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1. Host genetics and COVID-19 severity: increasing the accuracy of latest severity scores by Boolean quantum features

Author: Gabriele Martelloni, Alessio Turchi, Chiara Fallerini, Andrea Degl’Innocenti, Margherita Baldassarri, Simona Olmi, Simone Furini, Alessandra Renieri, GEN-COVID Multicenter study, Francesca Mari, Sergio Daga, Ilaria Meloni, Mirella Bruttini, Susanna Croci, Mirjam Lista, Debora Maffeo, Elena Pasquinelli, Giulia Brunelli, Kristina Zguro, Viola Bianca Serio, Enrica Antolini, Simona Letizia Basso, Samantha Minetto, Giulia Rollo, Martina Rozza, Angela Rina, Rossella Tita, Maria Antonietta Mencarelli, Caterina Lo Rizzo, Anna Maria Pinto, Francesca Ariani, Francesca Montagnani, Mario Tumbarello, Ilaria Rancan, Massimiliano Fabbiani, Elena Bargagli, Laura Bergantini, Miriana d’Alessandro, Paolo Cameli, David Bennett, Federico Anedda, Simona Marcantonio, Sabino Scolletta, Federico Franchi, Maria Antonietta Mazzei, Susanna Guerrini, Edoardo Conticini, Luca Cantarini, Bruno Frediani, Danilo Tacconi, Chiara Spertilli Raffaelli, Arianna Emiliozzi, Marco Feri, Alice Donati, Raffaele Scala, Luca Guidelli, Genni Spargi, Marta Corridi, Cesira Nencioni, Leonardo Croci, Gian Piero Caldarelli, Davide Romani, Paolo Piacentini, Maria Bandini, Elena Desanctis, Silvia Cappelli, Anna Canaccini, Agnese Verzuri, Valentina Anemoli, Manola Pisani, Agostino Ognibene, Maria Lorubbio, Alessandro Pancrazzi, Massimo Vaghi, Antonella D’Arminio Monforte, Federica Gaia Miraglia, Mario U. Mondelli, Stefania Mantovani, Raffaele Bruno, Marco Vecchia, Marcello Maffezzoni, Enrico Martinelli, Massimo Girardis, Stefano Busani, Sophie Venturelli, Andrea Cossarizza, Andrea Antinori, Alessandra Vergori, Stefano Rusconi, Matteo Siano, Arianna Gabrieli, Agostino Riva, Daniela Francisci, Elisabetta Schiaroli, Carlo Pallotto, Saverio Giuseppe Parisi, Monica Basso, Sandro Panese, Stefano Baratti, Pier Giorgio Scotton, Francesca Andretta, Mario Giobbia, Renzo Scaggiante, Francesca Gatti, Francesco Castelli, Eugenia Quiros-Roldan, Melania Degli Antoni, Isabella Zanella, Matteo della Monica, Carmelo Piscopo, Mario Capasso, Roberta Russo, Immacolata Andolfo, Achille Iolascon, Giuseppe Fiorentino, Massimo Carella, Marco Castori, Giuseppe Merla, Gabriella Maria Squeo, Filippo Aucella, Pamela Raggi, Rita Perna, Matteo Bassetti, Antonio Di Biagio, Maurizio Sanguinetti, Luca Masucci, Alessandra Guarnaccia, Serafina Valente, Alex Di Florio, Marco Mandalà, Alessia Giorli, Lorenzo Salerni, Patrizia Zucchi, Pierpaolo Parravicini, Elisabetta Menatti, Tullio Trotta, Ferdinando Giannattasio, Gabriella Coiro, Fabio Lena, Gianluca Lacerenza, Cristina Mussini, Luisa Tavecchia, Lia Crotti, Gianfranco Parati, Roberto Menè, Maurizio Sanarico, Marco Gori, Francesco Raimondi, Alessandra Stella, Filippo Biscarini, Tiziana Bachetti, Maria Teresa La Rovere, Maurizio Bussotti, Serena Ludovisi, Katia Capitani, Simona Dei, Sabrina Ravaglia, Annarita Giliberti, Giulia Gori, Rosangela Artuso, Elena Andreucci, Angelica Pagliazzi, Erika Fiorentini, Antonio Perrella, Francesco Bianchi, Paola Bergomi, Emanuele Catena, Riccardo Colombo, Sauro Luchi, Giovanna Morelli, Paola Petrocelli, Sarah Iacopini, Sara Modica, Silvia Baroni, Giulia Micheli, Marco Falcone, Donato Urso, Giusy Tiseo, Tommaso Matucci, Davide Grassi, Claudio Ferri, Franco Marinangeli, Francesco Brancati, Antonella Vincenti, Valentina Borgo, Stefania Lombardi, Mirco Lenzi, Massimo Antonio Di Pietro, Francesca Vichi, Benedetta Romanin, Letizia Attala, Cecilia Costa, Andrea Gabbuti, Alessio Bellucci, Marta Colaneri, Patrizia Casprini, Cristoforo Pomara, Massimiliano Esposito, Roberto Leoncini, Michele Cirianni, Lucrezia Galasso, Marco Antonio Bellini, Chiara Gabbi, and Nicola Picchiotti
Subjects: COVID-19, host genetics, integrated polygenic score, genetic algorithm, logistic regression, genetic science modeling, Genetics, QH426-470
Abstract: The impact of common and rare variants in COVID-19 host genetics has been widely studied. In particular, in Fallerini et al. (Human genetics, 2022, 141, 147–173), common and rare variants were used to define an interpretable machine learning model for predicting COVID-19 severity. First, variants were converted into sets of Boolean features, depending on the absence or the presence of variants in each gene. An ensemble of LASSO logistic regression models was used to identify the most informative Boolean features with respect to the genetic bases of severity. After that, the Boolean features, selected by these logistic models, were combined into an Integrated PolyGenic Score (IPGS), which offers a very simple description of the contribution of host genetics in COVID-19 severity.. IPGS leads to an accuracy of 55%–60% on different cohorts, and, after a logistic regression with both IPGS and age as inputs, it leads to an accuracy of 75%. The goal of this paper is to improve the previous results, using not only the most informative Boolean features with respect to the genetic bases of severity but also the information on host organs involved in the disease. In this study, we generalize the IPGS adding a statistical weight for each organ, through the transformation of Boolean features into “Boolean quantum features,” inspired by quantum mechanics. The organ coefficients were set via the application of the genetic algorithm PyGAD, and, after that, we defined two new integrated polygenic scores (IPGSph1 and IPGSph2). By applying a logistic regression with both IPGS, (IPGSph2 (or indifferently IPGSph1) and age as inputs, we reached an accuracy of 84%–86%, thus improving the results previously shown in Fallerini et al. (Human genetics, 2022, 141, 147–173) by a factor of 10%.
Published: 2024
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2. Comprehensive Molecular Analysis of Disease-Related Genes as First-Tier Test for Early Diagnosis, Classification, and Management of Patients Affected by Nonsyndromic Ichthyosis

Author: Tiziana Fioretti, Fabrizio Martora, Ilaria De Maggio, Adelaide Ambrosio, Carmelo Piscopo, Sabrina Vallone, Felice Amato, Diego Passaro, Fabio Acquaviva, Francesca Gaudiello, Daniela Di Girolamo, Valeria Maiolo, Federica Zarrilli, Speranza Esposito, Giuseppina Vitiello, Luigi Auricchio, Elena Sammarco, Daniele De Brasi, Roberta Petillo, Antonella Gambale, Fabio Cattaneo, Rosario Ammendola, Paola Nappa, and Gabriella Esposito
Subjects: congenital nonsyndromic ichthyosis, molecular diagnosis, splicing variant, X-linked ichthyosis, Biology (General), QH301-705.5
Abstract: Inherited ichthyoses are a group of clinically and genetically heterogeneous rare disorders of skin keratinization with overlapping phenotypes. The clinical picture and family history are crucial to formulating the diagnostic hypothesis, but only the identification of the genetic defect allows the correct classification. In the attempt to molecularly classify 17 unrelated Italian patients referred with congenital nonsyndromic ichthyosis, we performed massively parallel sequencing of over 50 ichthyosis-related genes. Genetic data of 300 Italian unaffected subjects were also analyzed to evaluate frequencies of putative disease-causing alleles in our population. For all patients, we identified the molecular cause of the disease. Eight patients were affected by autosomal recessive congenital ichthyosis associated with ALOX12B, NIPAL4, and TGM1 mutations. Three patients had biallelic loss-of-function variants in FLG, whereas 6/11 males were affected by X-linked ichthyosis. Among the 24 different disease-causing alleles we identified, 8 carried novel variants, including a synonymous TGM1 variant that resulted in a splicing defect. Moreover, we generated a priority list of the ichthyosis-related genes that showed a significant number of rare and novel variants in our population. In conclusion, our comprehensive molecular analysis resulted in an effective first-tier test for the early classification of ichthyosis patients. It also expands the genetic, mutational, and phenotypic spectra of inherited ichthyosis and provides new insight into the current understanding of etiologies and epidemiology of this group of rare disorders.
Published: 2024
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3. Expanding the Phenotype of the CACNA1C-Associated Neurological Disorders in Children: Systematic Literature Review and Description of a Novel Mutation

Author: Lorenzo Cipriano, Raffaele Piscopo, Chiara Aiello, Antonio Novelli, Achille Iolascon, and Carmelo Piscopo
Subjects: Timothy syndrome, CACNA1C gene, intellectual disability, Pediatrics, RJ1-570
Abstract: Background: CACNA1C gene encodes the alpha 1 subunit of the CaV1.2 L-type Ca2+ channel. Pathogenic variants in this gene have been associated with cardiac rhythm disorders such as long QT syndrome, Brugada syndrome and Timothy syndrome. Recent evidence has suggested the possible association between CACNA1C mutations and neurologically-isolated (in absence of cardiac involvement) phenotypes in children, giving birth to a wider spectrum of CACNA1C-related clinical presentations. However, to date, little is known about the variety of both neurological and non-neurological signs/symptoms in the neurologically-predominant phenotypes. Methods and Results: We conducted a systematic review of neurologically-predominant presentations without cardiac conduction defects, associated with CACNA1C mutations. We also reported a novel de novo missense pathogenic variant in the CACNA1C gene of a children patient presenting with constructional, dressing and oro-buccal apraxia associated with behavioral abnormalities, mild intellectual disability, dental anomalies, gingival hyperplasia and mild musculoskeletal defects, without cardiac conduction defects. Conclusions: The present study highlights the importance of considering the investigation of the CACNA1C gene in children’s neurological isolated syndromes, and expands the phenotype of the CACNA1C related conditions. In addition, the present study highlights that, even in absence of cardiac conduction defects, nuanced clinical manifestations of the Timothy syndrome (e.g., dental and gingival defects) could be found. These findings suggest the high variable expressivity of the CACNA1C gene and remark that the absence of cardiac involvement should not mislead the diagnosis of a CACNA1C related disorder.
Published: 2024
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4. An integration into the diagnostic workflow in a pediatric patient suspected of having Marfan syndrome

Author: Maria Oro, Marina Tarsitano, Maria Rivieccio, Carmelo Piscopo, Maria Teresa Petti, Nenad Bukvic, Matteo Della Monica, and Massimiliano Chetta
Subjects: FBN1 gene, Marfan syndrome, New pathogenic variant, 3D modeling, Medicine (General), R5-920, Genetics, QH426-470
Abstract: Abstract Background The genetic approach to Marfan syndrome (MFS) has evolved over the last few decades, as has our understanding of the variants’ potential structural and functional consequences. It has been proposed that next-generation sequencing be used to improve genetic diagnosis and patient management. To this end, we used a targeted NGS custom panel to perform genetic analysis in a patient with MFS and his or her family members. Case presentation Here, we describe a novel germ-line heterozygous missense variant (transversion c.5371 T > A) found in exon 43 of the FBN1 gene of a patient (proband) with MFS. FBN1 (ENSG0000166147) and TGFB2 (ENSG0000166147) were included in a targeted sequencing panel for MFS (ENSG0000163513). This new variant c.5371 T > A was identified only in the proband, not in unaffected family members or healthy controls. Conclusions Given the massive amount of data generated by gene panel analysis, clinical interpretation of genetic variants may become more difficult. As a result, 3D modeling and multidisciplinary approaches should be used in the analysis and annotation of observed variants. The analysis of the protein’s conformational structure in relation to the identified variant could provide useful information. These data can be used to classify observed variants (pathogenic vs non-pathogenic) linked to the MFS phenotype, as well as to track disease progression and potential target treatments.
Published: 2022
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5. De Novo Mutation in KMT2C Manifesting as Kleefstra Syndrome 2: Case Report and Literature Review

Author: Maria Anna Siano, Ilaria De Maggio, Roberta Petillo, Dario Cocciadiferro, Emanuele Agolini, Massimo Majolo, Antonio Novelli, Matteo Della Monica, and Carmelo Piscopo
Subjects: KMT2C, Kleefstra syndrome 2, intellectual disability, Medicine, Pediatrics, RJ1-570
Abstract: Diagnosis of pediatric intellectual disability (ID) can be difficult because it is due to a vast number of established and novel causes. Here, we described a full-term female infant affected by Kleefstra syndrome-2 presenting with neurodevelopmental disorder, a history of hypotonia and minor face anomalies. A systematic literature review was also performed. The patient was a 6-year-old Caucasian female. In the family history there was no intellectual disability or genetic conditions. Auxological parameters at birth were adequate for gestational age. Clinical evaluation at 6 months revealed hypotonia and, successively, delay in the acquisition of the stages of psychomotor development. Auditory, visual, somatosensory, and motor-evoked potentials were normal. A brain MRI, performed at 9 months, showed minimal gliotic changes in bilateral occipital periventricular white matter. Neuropsychiatric control, performed at 5 years, established a definitive diagnosis of childhood autism and developmental delay. Molecular analysis of the exome revealed a novel KMT2C missense variant: c.9244C > T (p.Pro3082Ser) at a heterozygous state, giving her a diagnosis of Kleefstra syndrome 2. Parents did not show the variant. Literature review (four retrieved eligible studies, 10 patients) showed that all individuals had mild, moderate, or severe ID; language and motor delay; and autism. Short stature, microcephaly, childhood hypotonia and plagiocephaly were also present. Conclusion. Kleefstra syndrome 2 is a difficult diagnosis of a rare condition with a high clinical phenotypic heterogeneity. This study suggests that it must be taken in account in the work-up of an orphan diagnosis of intellectual disability and/or autism spectrum disorder.
Published: 2022
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6. Non-Invasive Prenatal Screening from a Genetic Counseling Prospective: Pre and Post-Genetic Counseling Regarding Rare Chromosomal Abnormalities and Incidental Finding.

Author: Matteo, Della Monica, Lorenzo, Cipriano, Raffaele, Piscopo, and Carmelo, Piscopo
Subjects: PRENATAL genetic testing, PREGNANT women, CELL-free DNA, GENETIC counseling, PRENATAL diagnosis
Abstract: Background: Arising in the late 1990s, when a promising role in prenatal diagnostics was first delineated for circulating fetal DNA, non-invasive prenatal tests (NIPTs) have been increasingly used with more frequency and popularity. These exams have been used as a prenatal screening tests for genetic diseases. Initially, they were developed for the investigation of the main fetal chromosomal aneuploidies, but lately they have also been used to rule out genomic microrearrangements and monogenic conditions. However, along with great opportunities and potential, the tests can show inconclusive or unexpected results. Several studies have shown that the current pre-test counseling is often insufficient, and more oriented at providing pieces of information about the identifiable diseases rather than providing extensive information on all possible scenarios which may affect both the fetus and the pregnant mother, especially in the case of an invasive test for the pregnant mother. Methods and Results: We have gathered from the literature on NIPT the main pitfalls, imperfections, and particular cases associated with this innovative diagnostic procedure. Conclusions: In view of further improvements in the methods that can limit the inconclusive or unexpected results, this paper aims to reinforce the importance of more accurate pre-test counseling with comprehensive information about the above-mentioned questions, as well as ultrasound use and also the creation of an international consensus statement concerning these topics. [ABSTRACT FROM AUTHOR]
Published: 2024
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7. Case Report: A Novel Homozygous Missense Variant of FBN3 Supporting It Is a New Candidate Gene Causative of a Bardet–Biedl Syndrome–Like Phenotype

Author: Maria Luce Genovesi, Barbara Torres, Marina Goldoni, Eliana Salvo, Claudia Cesario, Massimo Majolo, Tommaso Mazza, Carmelo Piscopo, and Laura Bernardini
Subjects: Bardet–Biedl syndrome, FBN3, fibrillinopathies, SNP-array, whole-exome sequencing, Genetics, QH426-470
Abstract: Fibrillin proteins are extracellular matrix glycoproteins assembling into microfibrils. FBN1, FBN2, and FBN3 encode the human fibrillins and mutations in FBN1 and FBN2 cause connective tissue disorders called fibrillinopathies, affecting cardiovascular, dermal, skeletal, and ocular tissues. Recently, mutations of the less characterized fibrillin family member, FBN3, have been associated in a single family with Bardet–Biedl syndrome (BBS). Here, we report on a patient born from two first cousins and affected by developmental delay, cognitive impairment, obesity, dental and genital anomalies, and brachydactyly/syndactyly. His phenotype was very similar to that reported in the previous FBN3-mutated family and fulfilled BBS clinical diagnostic criteria, although lacking polydactyly, the most recurrent clinical feature, as the previous siblings described. A familial SNP-array and proband’s WES were performed prioritizing candidate variants on the sole patient’s runs of homozygosity. This analysis disclosed a novel homozygous missense variant in FBN3 (NM_032447:c.5434A>G; NP_115823:p.Ile1812Val; rs115948457), inherited from the heterozygous parents. This study further supports that FBN3 is a candidate gene for a BBS-like syndrome characterized by developmental delay, cognitive impairment, obesity, dental, genital, and skeletal anomalies. Anyway, additional studies are necessary to investigate the exact role of the gene and possible interactions between FBN3 and BBS proteins.
Published: 2022
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8. Autism and severe clinical phenotype in a patient with 8p21.2p11.21 deletion: Case report and literature review

Author: Aurora Arghir, Sorina Mihaela Papuc, Andreea‐Cristina Tutulan‐Cunita, Alina Erbescu, Sara Loddo, Silvia Genovese, Laura Ciocca, Marina Goldoni, Carmelo Piscopo, Laura Bernardini, Antonio Novelli, and Magdalena Budisteanu
Subjects: genetics, pediatrics and adolescent medicine, psychiatry, Medicine, Medicine (General), R5-920
Abstract: Abstract Interstitial 8p deletions were previously described, in literature and databases, in approximately 30 patients with neurodevelopmental disorders. We report on a novel patient with a 8p21.2p11.21 deletion presenting a clinical phenotype that includes severe intellectual disability, microcephaly, epilepsy, and autism, the latter having been rarely associated with this genetic defect.
Published: 2021
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9. Mowat-Wilson syndrome: growth charts

Author: Ivan Ivanovski, Olivera Djuric, Serena Broccoli, Stefano Giuseppe Caraffi, Patrizia Accorsi, Margaret P. Adam, Kristina Avela, Magdalena Badura-Stronka, Allan Bayat, Jill Clayton-Smith, Isabella Cocco, Duccio Maria Cordelli, Goran Cuturilo, Veronica Di Pisa, Juliette Dupont Garcia, Roberto Gastaldi, Lucio Giordano, Andrea Guala, Christina Hoei-Hansen, Mie Inaba, Alessandro Iodice, Jens Erik Klint Nielsen, Vladimir Kuburovic, Brissia Lazalde-Medina, Baris Malbora, Seiji Mizuno, Oana Moldovan, Rikke S. Møller, Petra Muschke, Valeria Otelli, Chiara Pantaleoni, Carmelo Piscopo, Maria Luisa Poch-Olive, Igor Prpic, Purificación Marín Reina, Federico Raviglione, Emilia Ricci, Emanuela Scarano, Graziella Simonte, Robert Smigiel, George Tanteles, Luigi Tarani, Aurelien Trimouille, Elvis Terci Valera, Samantha Schrier Vergano, Karin Writzl, Bert Callewaert, Salvatore Savasta, Maria Elisabeth Street, Lorenzo Iughetti, Sergio Bernasconi, Paolo Giorgi Rossi, and Livia Garavelli
Subjects: Mowat-Wilson syndrome, ZEB2, Growth charts, Weight, Length, Height, Medicine
Abstract: Abstract Background Mowat–Wilson syndrome (MWS; OMIM #235730) is a genetic condition caused by heterozygous mutations or deletions of the ZEB2 gene. It is characterized by moderate-severe intellectual disability, epilepsy, Hirschsprung disease and multiple organ malformations of which congenital heart defects and urogenital anomalies are the most frequent ones. To date, a clear description of the physical development of MWS patients does not exist. The aim of this study is to provide up-to-date growth charts specific for infants and children with MWS. Charts for males and females aged from 0 to 16 years were generated using a total of 2865 measurements from 99 MWS patients of different ancestries. All data were collected through extensive collaborations with the Italian MWS association (AIMW) and the MWS Foundation. The GAMLSS package for the R statistical computing software was used to model the growth charts. Height, weight, body mass index (BMI) and head circumference were compared to those from standard international growth charts for healthy children. Results In newborns, weight and length were distributed as in the general population, while head circumference was slightly smaller, with an average below the 30th centile. Up to the age of 7 years, weight and height distribution was shifted to slightly lower values than in the general population; after that, the difference increased further, with 50% of the affected children below the 5th centile of the general population. BMI distribution was similar to that of non-affected children until the age of 7 years, at which point values in MWS children increased with a less steep slope, particularly in males. Microcephaly was sometimes present at birth, but in most cases it developed gradually during infancy; many children had a small head circumference, between the 3rd and the 10th centile, rather than being truly microcephalic (at least 2 SD below the mean). Most patients were of slender build. Conclusions These charts contribute to the understanding of the natural history of MWS and should assist pediatricians and other caregivers in providing optimal care to MWS individuals who show problems related to physical growth. This is the first study on growth in patients with MWS.
Published: 2020
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10. Common variants at 21q22.3 locus influence MX1 and TMPRSS2 gene expression and susceptibility to severe COVID-19

Author: Immacolata Andolfo, Roberta Russo, Vito Alessandro Lasorsa, Sueva Cantalupo, Barbara Eleni Rosato, Ferdinando Bonfiglio, Giulia Frisso, Pasquale Abete, Gian Marco Cassese, Giuseppe Servillo, Gabriella Esposito, Ivan Gentile, Carmelo Piscopo, Romolo Villani, Giuseppe Fiorentino, Pellegrino Cerino, Carlo Buonerba, Biancamaria Pierri, Massimo Zollo, Achille Iolascon, and Mario Capasso
Subjects: Genetics, Genomics, Science
Abstract: Summary: The established risk factors of coronavirus disease 2019 (COVID-19) are advanced age, male sex, and comorbidities, but they do not fully explain the wide spectrum of disease manifestations. Genetic factors implicated in the host antiviral response provide for novel insights into its pathogenesis.We performed an in-depth genetic analysis of chromosome 21 exploiting the genome-wide association study data, including 6,406 individuals hospitalized for COVID-19 and 902,088 controls with European genetic ancestry from the COVID-19 Host Genetics Initiative. We found that five single nucleotide polymorphisms within TMPRSS2 and near MX1 gene show associations with severe COVID-19. The minor alleles of the five single nucleotide polymorphisms (SNPs) correlated with a reduced risk of developing severe COVID-19 and high level of MX1 expression in blood.Our findings demonstrate that host genetic factors can influence the different clinical presentations of COVID-19 and that MX1 could be a potential therapeutic target.
Published: 2021
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11. Carriers of ADAMTS13 Rare Variants Are at High Risk of Life-Threatening COVID-19

Author: Kristina Zguro, Margherita Baldassarri, Francesca Fava, Giada Beligni, Sergio Daga, Roberto Leoncini, Lucrezia Galasso, Michele Cirianni, Stefano Rusconi, Matteo Siano, Daniela Francisci, Elisabetta Schiaroli, Sauro Luchi, Giovanna Morelli, Enrico Martinelli, Massimo Girardis, Stefano Busani, Saverio Giuseppe Parisi, Sandro Panese, Carmelo Piscopo, Mario Capasso, Danilo Tacconi, Chiara Spertilli Raffaelli, Annarita Giliberti, Giulia Gori, Peter D. Katsikis, Maria Lorubbio, Paola Calzoni, Agostino Ognibene, Monica Bocchia, Monica Tozzi, Alessandro Bucalossi, Giuseppe Marotta, Simone Furini, GEN-COVID Multicenter Study, Alessandra Renieri, and Chiara Fallerini
Subjects: COVID-19, ADAMTS13, thromboembolism, add-on therapy, Microbiology, QR1-502
Abstract: Thrombosis of small and large vessels is reported as a key player in COVID-19 severity. However, host genetic determinants of this susceptibility are still unclear. Congenital Thrombotic Thrombocytopenic Purpura is a severe autosomal recessive disorder characterized by uncleaved ultra-large vWF and thrombotic microangiopathy, frequently triggered by infections. Carriers are reported to be asymptomatic. Exome analysis of about 3000 SARS-CoV-2 infected subjects of different severities, belonging to the GEN-COVID cohort, revealed the specific role of vWF cleaving enzyme ADAMTS13 (A disintegrin-like and metalloprotease with thrombospondin type 1 motif, 13). We report here that ultra-rare variants in a heterozygous state lead to a rare form of COVID-19 characterized by hyper-inflammation signs, which segregates in families as an autosomal dominant disorder conditioned by SARS-CoV-2 infection, sex, and age. This has clinical relevance due to the availability of drugs such as Caplacizumab, which inhibits vWF–platelet interaction, and Crizanlizumab, which, by inhibiting P-selectin binding to its ligands, prevents leukocyte recruitment and platelet aggregation at the site of vascular damage.
Published: 2022
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12. Reciprocal Xp11.4p11.3 microdeletion/microduplication spanning USP9X , DDX3X , and CASK genes in two patients with syndromic intellectual disability

Author: Giorgia Catino, Silvia Genovese, Silvia Tommaso, Valeria Orlando, Maria Teresa Petti, Margherita Lucia Bernardi, Bruno Dallapiccola, Antonio Novelli, Lucia Ulgheri, Carmelo Piscopo, and Viola Alesi
Subjects: Genetics, Genetics (clinical)
Published: 2022
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13. A new de novo mosaic mutation of PHEX gene: a case report of a boy with hypophosphatemic rickets

Author: Roberto Novizio, Alessandra Terracciano, Margherita Lucia De Bernardi, Davide De Brasi, Achille Iolascon, Matteo Della Monica, Francesco Scavuzzo, Domenico Serino, Antonio Novelli, and Carmelo Piscopo
Subjects: Endocrinology, Diabetes and Metabolism, Immunology and Allergy
Abstract: Background: X-linked hypophosphatemia is the most prevalent form of heritable rickets, characterized by an X-linked dominant inheritance pattern. The genetic basis of X-linked hypophosphatemia is a loss-of-function mutation in the PHEX gene (Phosphate regulating gene with Homology to Endopeptidases on the X chromosome), which leads to an enhanced production of phosphaturic hormone FGF23. X-linked hypophosphatemia causes rickets in children and osteomalacia in adults. Clinical manifestations are numerous and variable, including slowdown in growth, swing-through gait and progressive tibial bowing, related to skeletal and extraskeletal actions of FGF23. PHEX gene spans over 220 kb and consists of 22 exons. To date, hereditary and sporadic mutations are known (missense, nonsense, deletions and splice site mutations). Case presentation: Herein, we describe a male patient carrying a novel de novo mosaic nonsense mutation c.2176G>T (p.Glu726Ter) located in exon 22 of PHEX gene. Conclusion: We highlight this new mutation among possible causative of X-linked hypophosphatemia and suggest that mosaicism of PHEX mutations is not so uncommon and should be excluded in diagnostic workflow of heritable rickets both in male and female patients.
Published: 2023
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14. A Novel Variant in RAD21 in Cornelia De Lange Syndrome Type 4: Case Report and Bioinformatic Analysis

Author: Alessandro De Falco, Daniele De Brasi, Matteo Della Monica, Claudia Cesario, Stefano Petrocchi, Antonio Novelli, Giuseppe D’Alterio, Achille Iolascon, Mario Capasso, Carmelo Piscopo, De Falco, Alessandro, De Brasi, Daniele, Della Monica, Matteo, Cesario, Claudia, Petrocchi, Stefano, Novelli, Antonio, D'Alterio, Giuseppe, Iolascon, Achille, Capasso, Mario, and Piscopo, Carmelo
Subjects: in silico analysi, genotype/phenotype correlation, Genetics, Cornelia de Lange type 4, RAD21, prenatal growth retardation, Genetics (clinical), in silico analysis
Abstract: Cornelia de Lange Syndrome (CdLS) is a rare genetic disorder that affects many organs. The diagnosis of this condition is primarily clinical and it can be confirmed by molecular analysis of the genes known to cause this disease, although about 30% of CdLS patients are without a genetic diagnosis. Here we report clinical and genetic findings of a patient with CdLS type 4, a syndrome of which the clinical features of only 30 patients have been previously described in the literature. The index patient presented with clinical characteristics previously associated with CdLS type 4 (short nose, thick eyebrow, global development delay, synophrys, microcephaly, weight < 2DS, small hands, height < 2DS). She also presented cardiac anomalies, cleft palate and laryngomalacia, which was never described before. The index patient was diagnosed with a novel de novo RAD21 variant (c.1722_1723delTG, p.Gly575SerfsTer2): segregation analysis, bioinformatic analysis, population data and in silico structural modelling indicate the pathogenicity of the novel variant. This report summarizes previously reported clinical manifestations of CdLS type 4 but also highlights new clinical symptoms, which will aid correct counselling of future CdLS type 4 cases.
Published: 2023

15. Ultra-rare RTEL1 gene variants associate with acute severity of COVID-19 and evolution to pulmonary fibrosis as a specific long COVID disorder

Author: Bergantini, Laura, Baldassarri, Margherita, D'Alessandro, Miriana, Brunelli, Giulia, Fabbri, Gaia, Zguro, Kristina, Degl'Innocenti, Andrea, Fallerini, Chiara, Bargagli, Elena, Renieri, Alessandra GEN-COVID Multicenter study: Francesca Mari, Sergio, Daga, Ilaria, Meloni, Mirella, Bruttini, Susanna, Croci, Mirjam, Lista, Debora, Maffeo, Elena, Pasquinelli, Viola Bianca Serio, Enrica, Antolini, Simona Letizia Basso, Samantha, Minetto, Rossella, Tita, Maria Antonietta Mencarelli, Caterina Lo Rizzo, Anna Maria Pinto, Francesca, Ariani, Francesca, Montagnani, Mario, Tumbarello, Ilaria, Rancan, Massimiliano, Fabbiani, Paolo, Cameli, David, Bennett, Federico, Anedda, Simona, Marcantonio, Sabino, Scolletta, Federico, Franchi, Maria Antonietta Mazzei, Susanna, Guerrini, Edoardo, Conticini, Luca, Cantarini, Bruno, Frediani, Danilo, Tacconi, Chiara Spertilli Raffaelli, Arianna, Emiliozzi, Marco, Feri, Alice, Donati, Raffaele, Scala, Luca, Guidelli, Genni, Spargi, Marta, Corridi, Cesira, Nencioni, Leonardo, Croci, Gian Piero Caldarelli, Davide, Romani, Paolo, Piacentini, Maria, Bandini, Elena, Desanctis, Silvia, Cappelli, Anna, Canaccini, Agnese, Verzuri, Valentina, Anemoli, Manola, Pisani, Agostino, Ognibene, Maria, Lorubbio, Alessandro, Pancrazzi, Massimo, Vaghi, Antonella, D 'Arminio Monforte, Federica Gaia Miraglia, Mario, U Mondelli, Stefania, Mantovani, Raffaele, Bruno, Marco, Vecchia, Marcello, Maffezzoni, Enrico, Martinelli, Massimo, Girardis, Stefano, Busani, Sophie, Venturelli, Andrea, Cossarizza, Andrea, Antinori, Alessandra, Vergori, Stefano, Rusconi, Matteo, Siano, Arianna, Gabrieli, Agostino, Riva, Daniela, Francisci, Elisabetta, Schiaroli, Carlo, Pallotto, Saverio Giuseppe Parisi, Monica, Basso, Sandro, Panese, Stefano, Baratti, Pier Giorgio Scotton, Francesca, Andretta, Mario, Giobbia, Renzo, Scaggiante, Francesca, Gatti, Francesco, Castelli, Eugenia, Quiros-Roldan, Melania Degli Antoni, Isabella, Zanella, Matteo Della Monica, Carmelo, Piscopo, Mario, Capasso, Roberta, Russo, Immacolata, Andolfo, Achille, Iolascon, Giuseppe, Fiorentino, Massimo, Carella, Marco, Castori, Giuseppe, Merla, Gabriella Maria Squeo, Filippo, Aucella, Pamela, Raggi, Rita, Perna, Matteo, Bassetti, Antonio Di Biagio, Maurizio, Sanguinetti, Luca, Masucci, Alessandra, Guarnaccia, Serafina, Valente, Alex Di Florio, Marco, Mandalà, Alessia, Giorli, Lorenzo, Salerni, Patrizia, Zucchi, Pierpaolo, Parravicini, Elisabetta, Menatti, Tullio, Trotta, Ferdinando, Giannattasio, Gabriella, Coiro, Fabio, Lena, Gianluca, Lacerenza, Cristina, Mussini, Luisa, Tavecchia, Lia, Crotti, Gianfranco, Parati, Roberto, Menè, Maurizio, Sanarico, Marco, Gori, Francesco, Raimondi, Alessandra, Stella, Filippo, Biscarini, Tiziana, Bachetti, Maria Teresa La Rovere, Maurizio, Bussotti, Serena, Ludovisi, Katia, Capitani, Simona, Dei, Sabrina, Ravaglia, Annarita, Giliberti, Giulia, Gori, Rosangela, Artuso, Elena, Andreucci, Angelica, Pagliazzi, Erika, Fiorentini, Antonio, Perrella, Francesco, Bianchi, Paola, Bergomi, Emanuele, Catena, Riccardo, Colombo, Sauro, Luchi, Giovanna, Morelli, Paola, Petrocelli, Sarah, Iacopini, Sara, Modica, Silvia, Baroni, Micheli, Giulia, Marco, Falcone, Donato, Urso, Giusy, Tiseo, Tommaso, Matucci, Grassi, Davide, Ferri, Claudio, Marinangeli, Franco, Brancati, Francesco, Antonella, Vincenti, Valentina, Borgo, Lombardi, Stefania, Mirco, Lenzi, Massimo Antonio Di Pietro, Francesca, Vichi, Benedetta, Romanin, Letizia, Attala, Cecilia, Costa, Andrea, Gabbuti, Alessio, Bellucci, Marta, Colaneri, Patrizia, Casprini, Cristoforo, Pomara, Massimiliano, Esposito, Roberto, Leoncini, Michele, Cirianni, Lucrezia, Galasso, Marco Antonio Bellini, Chiara, Gabbi, Nicola, Picchiotti, and Simone, Furini
Subjects: COVID-19, Long COVID, Pulmonary fibrosis, RTEL1
Published: 2023

16. Clinical heterogeneity of Kabuki syndrome in a cohort of Italian patients and review of the literature

Author: Mariateresa Falco, Pietro Strisciuglio, Ilaria De Maggio, Fortunato Lonardo, Daniela Melis, Gabriella Maria Squeo, Giuseppe Merla, Gerarda Cappuccio, Gioacchino Scarano, Carmen Rosano, Maria Siano, Claudia Mandato, Carmelo Piscopo, Paolo Fontana, Francesca Di Candia, P. Paglia, Daniele De Brasi, Matteo Della Monica, Di Candia, Francesca, Fontana, Paolo, Paglia, Pamela, Falco, Mariateresa, Rosano, Carmen, Piscopo, Carmelo, Cappuccio, Gerarda, Siano, Maria Anna, De Brasi, Daniele, Mandato, Claudia, De Maggio, Ilaria, Squeo, Gabriella Maria, Monica, Matteo Della, Scarano, Gioacchino, Lonardo, Fortunato, Strisciuglio, Pietro, Merla, Giuseppe, and Melis, Daniela
Subjects: 0301 basic medicine, Adult, Male, Microcephaly, Pediatrics, medicine.medical_specialty, Adolescent, Neurological features, Autoimmunity, Vitiligo, 030105 genetics & heredity, Brain anomalie, 03 medical and health sciences, Young Adult, Intellectual disability, Medicine, Humans, Brain anomalies, Kabuki syndrome, Child, Face, Female, Retrospective Studies, Abnormalities, Multiple, Hematologic Diseases, Vestibular Diseases, Hypertelorism, Strabismus, Immunodeficiency, business.industry, medicine.disease, 030104 developmental biology, Pediatrics, Perinatology and Child Health, Cohort, Original Article, medicine.symptom, Abnormalities, business, Multiple
Abstract: Kabuki syndrome (KS) is a well-recognized disorder characterized by postnatal growth deficiency, dysmorphic facial features, skeletal anomalies, and intellectual disability. The syndrome is caused by KMT2D gene mutations or less frequently KDM6A gene mutations or deletions. We report a systematic evaluation of KS patients from Campania region of Italy; data were also compared with literature ones. We collected data of 15 subjects (8 males and 7 females with age range 10–26 years; mean age 16.9 years) with confirmed diagnosis of KS, representing the entire cohort of patients from Campania Region. Each patient performed biochemical testing and instrumental investigation. Neuro-intellectual development, cranio-facial dysmorphisms, and multisystem involvement data were collected retrospectively. For each category, type of defects and frequency of the anomalies were analyzed. Our observation shows that KS patients from Campania region have some particular and previously underscored, neurological and immunological findings. We found high prevalence of EEG’s abnormalities (43%) and MRI brain abnormalities (60%). Microcephaly resulted more common in our series (33%), if compared with major cohorts described in literature. Biochemical features of immunodeficiency and autoimmune diseases including thyroid autoimmunity, polyserositis, and vitiligo were observed with high prevalence (54.5%). Low immunoglobulins levels were a frequent finding. Lymphocyte class investigation showed significantly reduced CD8 levels in one patient.Conclusions: These data confirm great heterogeneity of clinical manifestations in KS and suggest to introduce further clinical diagnostic criteria in order to perform a correct and precocious diagnosis. What is Known• Kabuki syndrome is characterized by growth deficiency, dysmorphic facial features, skeletal anomalies, and intellectual disability• Immune dysfunction is a common finding but autoimmune diseases are rarely seen• Neurological features are common What is New• Some particular facial features could help gestalt diagnosis (hypertelorism, broad nasal bridge, micrognathia, tooth agenesis, cutaneous haemangiomas and strabismus)• Higher prevalence of autoimmune disorders than previously reported• Particular neurological features are present in this cohort (EEG and MRI brain abnormalities)
Published: 2021

17. Clinical and molecular characterizations of 11 new patients with type 1 Feingold syndrome: Proposal for selecting diagnostic criteria and further genetic testing in patients with severe phenotype

Author: Caterina Ceccarini, Valentina Imperatore, Stefania Troiani, Monia Magliozzi, Anna Maria Nardone, Amedea Mencarelli, Paolo Prontera, Antonio Novelli, Fortunato Lonardo, Daniela Rogaia, Maria Cristina Digilio, Maria Teresa Falco, Carla Cesarano, Marco Seri, Maria Giovanna Tedesco, Paolo Fontana, Chiara Leoni, and Carmelo Piscopo
Subjects: 0301 basic medicine, Pediatrics, medicine.medical_specialty, Microcephaly, medicine.diagnostic_test, business.industry, 030105 genetics & heredity, medicine.disease, Short stature, GNAO1, 03 medical and health sciences, 030104 developmental biology, Intellectual disability, Mutation (genetic algorithm), Genetics, Feingold syndrome, Medicine, Syndactyly, medicine.symptom, business, Genetics (clinical), Genetic testing
Abstract: Feingold Syndrome type 1 (FS1) is an autosomal dominant disorder due to a loss of function mutations in the MYCN gene. FS1 is generally clinically characterized by mild learning disability, microcephaly, short palpebral fissures, short stature, brachymesophalangy, hypoplastic thumbs, as well as syndactyly of toes, variably associated with organ abnormalities, the most common being gastrointestinal atresia. In current literature, more than 120 FS1 patients have been described, but diagnostic criteria are not well agreed upon, likewise the genotype-phenotype correlations are not well understood. Here, we describe 11 FS1 patients, belonging to six distinct families, where we have identified three novel MYCN mutations along with three pathogenetic variants, the latter which have already been reported. Several patients presented a mild phenotype of the condition and they have been diagnosed as being affected only after segregation analyses of the MYCN mutation identified in the propositus. We also describe here the first ever FS1 patient with severe intellectual disability having a maternally inherited MYCN variant together with an additional GNAO1 mutation inherited paternally. Mutations in the GNAO1 gene are associated with a specific form of intellectual disability and epilepsy, thus the finding of two different rare diseases in the same patient could explain his severe phenotype. Therein, a thorough investigation is merited into the possibility that additional variants in patients with a MYCN mutation and severe phenotype do exist. Finally, in order to guarantee a more reliable diagnosis of FS1, we suggest using both major and minor clinical-molecular diagnostic criteria.
Published: 2021
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18. Autism and severe clinical phenotype in a patient with 8p21.2p11.21 deletion: Case report and literature review

Author: Andreea Tutulan-Cunita, Carmelo Piscopo, Aurora Arghir, Laura Ciocca, Marina Goldoni, Magdalena Budisteanu, Silvia Genovese, Antonio Novelli, Sorina Mihaela Papuc, Laura Bernardini, Alina Erbescu, and Sara Loddo
Subjects: Pediatrics, medicine.medical_specialty, Microcephaly, Medicine (General), business.industry, Case Report, General Medicine, Case Reports, 030204 cardiovascular system & hematology, medicine.disease, psychiatry, 03 medical and health sciences, Epilepsy, 0302 clinical medicine, R5-920, 030220 oncology & carcinogenesis, Intellectual disability, medicine, Autism, Medicine, genetics, Clinical phenotype, business, pediatrics and adolescent medicine
Abstract: Interstitial 8p deletions were previously described, in literature and databases, in approximately 30 patients with neurodevelopmental disorders. We report on a novel patient with a 8p21.2p11.21 deletion presenting a clinical phenotype that includes severe intellectual disability, microcephaly, epilepsy, and autism, the latter having been rarely associated with this genetic defect., We report on a patient with 8p21.2p11.21 deletion presenting with severe intellectual disability, microcephaly, epilepsy, and autism. Our report contributes to further delineation of proximal 8p deletion phenotype by adding autism as a rare feature.
Published: 2021

19. Recurrent Pregnancy Loss: Proposal for a Novel Diagnostic Protocol with New Molecular Genetics Insight

Author: Carmelo Piscopo
Subjects: Protocol (science), medicine.medical_specialty, Pregnancy, business.industry, Molecular genetics, medicine, Bioinformatics, business, medicine.disease
Abstract: Although RPL remains unexplained in about 50% of the cases, gynecological, endocrinological, immuno-hematological and genetical factors have been described.
Published: 2020
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20. New Insights in 9q21.13 Microdeletion Syndrome: Genotype–Phenotype Correlation of 28 Patients

Author: Alessandro De Falco, Achille Iolascon, Flora Ascione, and Carmelo Piscopo
Subjects: array-CGH, 9q21.13 microdeletion syndrome, RORB, TRPM6, PCSK5, PRUNE2, intellectual disability, abnormal eye physiology, severe myopia, brain MRI anomalies, absence seizure, dysmorphic features, genotype–phenotype comparison, Genetics, Genetics (clinical)
Abstract: The implementation of array comparative genomic hybridisation (array-CGH) allows us to describe new microdeletion/microduplication syndromes which were previously not identified. 9q21.13 microdeletion syndrome is a genetic condition due to the loss of a critical genomic region of approximately 750kb and includes several genes, such as RORB and TRPM6. Here, we report a case of a 7-year-old boy affected by 9q21.13 microdeletion syndrome. He presents with global developmental delay, intellectual disability, autistic behaviour, seizures and facial dysmorphism. Moreover, he has severe myopia, which was previously reported in only another patient with 9q21.13 deletion, and brain anomalies which were never described before in 9q21.13 microdeletion syndrome. We also collect 17 patients from a literature search and 10 cases from DECIPHER database with a total number of 28 patients (including our case). In order to better investigate the four candidate genes RORB, TRPM6, PCSK5, and PRUNE2 for neurological phenotype, we make, for the first time, a classification in four groups of all the collected 28 patients. This classification is based both on the genomic position of the deletions included in the 9q21.3 locus deleted in our patient and on the different involvement of the four-candidate gene. In this way, we compare the clinical problems, the radiological findings, and the dysmorphic features of each group and of all the 28 patients in our article. Moreover, we perform the genotype–phenotype correlation of the 28 patients to better define the syndromic spectrum of 9q21.13 microdeletion syndrome. Finally, we propose a baseline ophthalmological and neurological monitoring of this syndrome.
Published: 2023
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21. An explainable model of host genetic interactions linked to COVID-19 severity

Author: Anthony, O, Nicola, P, Chiara, F, Margherita, B, Francesca, F, Francesca, C, Alessandra, R, Simone, F, Francesco, R, Mari, F, Daga, S, Benetti, E, Bruttini, M, Palmieri, M, Croci, S, Amitrano, S, Meloni, I, Frullanti, E, Doddato, G, Lista, M, Beligni, G, Valentino, F, Zguro, K, Tita, R, Giliberti, A, Antonietta Mencarelli, M, Lo Rizzo, C, Maria Pinto, A, Ariani, F, Di Sarno, L, Montagnani, F, Tumbarello, M, Rancan, I, Fabbiani, M, Rossetti, B, Bergantini, L, D’Alessandro, M, Cameli, P, Bennett, D, Anedda, F, Marcantonio, S, Scolletta, S, Franchi, F, Antonietta Mazzei, M, Guerrini, S, Conticini, E, Cantarini, L, Frediani, B, Tacconi, D, Spertilli Raffaelli, C, Feri, M, Donati, A, Scala, R, Guidelli, L, Spargi, G, Corridi, M, Nencioni, C, Croci, L, Piero Caldarelli, G, Romani, D, Piacentini, P, Bandini, M, Desanctis, E, Cappelli, S, Canaccini, A, Verzuri, A, Anemoli, V, Pisani, M, Ognibene, A, Pancrazzi, A, Lorubbio, M, Vaghi, M, D’Arminio Monforte, A, Gaia Miraglia, F, Bruno, R, Vecchia, M, Girardis, M, Venturelli, S, Busani, S, Cossarizza, A, Antinori, A, Vergori, A, Emiliozzi, A, Rusconi, S, Siano, M, Gabrieli, A, Riva, A, Francisci, D, Schiaroli, E, Paciosi, F, Tommasi, A, Zuccon, U, Vietri, L, Giorgio Scotton, P, Andretta, F, Panese, S, Baratti, S, Scaggiante, R, Gatti, F, Giuseppe Parisi, S, Castelli, F, Quiros-Roldan, E, Degli Antoni, M, Zanella, I, Della Monica, M, Piscopo, C, Capasso, M, Russo, R, Andolfo, I, Iolascon, A, Fiorentino, G, Carella, M, Castori, M, Aucella, F, Raggi, P, Perna, R, Bassetti, M, Di Biagio, A, Sanguinetti, M, Masucci, L, Guarnaccia, A, Valente, S, De Vivo, O, Bargagli, E, Mandalà, M, Giorli, A, Salerni, L, Zucchi, P, Parravicini, P, Menatti, E, Trotta, T, Giannattasio, F, Coiro, G, Lena, F, Lacerenza, G, Coviello, D, Mussini, C, Martinelli, E, Tavecchia, L, Ann Belli, M, Crotti, L, Parati, G, Sanarico, M, Biscarini, F, Stella, A, Rizzi, M, Maggiolo, F, Ripamonti, D, Suardi, C, Bachetti, T, Teresa La Rovere, M, Sarzi-Braga, S, Bussotti, M, Capitani, K, Dei, S, Ravaglia, S, Artuso, R, Andreucci, E, Gori, G, Pagliazzi, A, Fiorentini, E, Perrella, A, Bianchi, F, Bergomi, P, Catena, E, Colombo, R, Luchi, S, Morelli, G, Petrocelli, P, Iacopini, S, Modica, S, Baroni, S, Vladimiro Segala, F, Menichetti, F, Falcone, M, Tiseo, G, Barbieri, C, Matucci, T, Grassi, D, Ferri, C, Marinangeli, F, Brancati, F, Vincenti, A, Borgo, V, Lombardi, S, Lenzi, M, Antonio Di Pietro, M, Vichi, F, Romanin, B, Attala, L, Costa, C, Gabbuti, A, Menè, R, Colaneri, M, Casprini, P, Merla, G, Maria Squeo, G, Maffezzoni, M, Mantovani, S, Mondelli &amp, M, Ludovisi, S, Onoja, Anthony, Picchiotti, Nicola, Fallerini, Chiara, Baldassarri, Margherita, Fava, Francesca, Colombo, Francesca, Chiaromonte, Francesca, Renieri, Alessandra, Furini, Simone, Raimondi Francesco, Francesca Mari, Sergio Daga, Elisa Benetti, Mirella Bruttini, Maria Palmieri, Susanna Croci, Sara Amitrano, Ilaria Meloni, Elisa Frullanti, Gabriella Doddato, Mirjam Lista, Giada Beligni, Floriana Valentino, Kristina Zguro, Rossella Tita, Annarita Giliberti, Maria Antonietta Mencarelli, Caterina Lo Rizzo, Anna Maria Pinto, Francesca Ariani, Laura Di Sarno, Francesca Montagnani, Mario Tumbarello, Ilaria Rancan, Massimiliano Fabbiani, Barbara Rossetti, Laura Bergantini, Miriana D’Alessandro, Paolo Cameli, David Bennett, Federico Anedda, Simona Marcantonio, Sabino Scolletta, Federico Franchi, Maria Antonietta Mazzei, Susanna Guerrini, Edoardo Conticini, Luca Cantarini, Bruno Frediani, Danilo Tacconi, Chiara Spertilli Raffaelli, Marco Feri, Alice Donati, Raffaele Scala, Luca Guidelli, Genni Spargi, Marta Corridi, Cesira Nencioni, Leonardo Croci, Gian Piero Caldarelli, Davide Romani, Paolo Piacentini, Maria Bandini, Elena Desanctis, Silvia Cappelli, Anna Canaccini, Agnese Verzuri, Valentina Anemoli, Manola Pisani, Agostino Ognibene, Alessandro Pancrazzi, Maria Lorubbio, Massimo Vaghi, Antonella D’Arminio Monforte, Federica Gaia Miraglia, Raffaele Bruno, Marco Vecchia, Massimo Girardis, Sophie Venturelli, Stefano Busani, Andrea Cossarizza, Andrea Antinori, Alessandra Vergori, Arianna Emiliozzi, Stefano Rusconi, Matteo Siano, Arianna Gabrieli, Agostino Riva, Daniela Francisci, Elisabetta Schiaroli, Francesco Paciosi, Andrea Tommasi, Umberto Zuccon, Lucia Vietri, Pier Giorgio Scotton, Francesca Andretta, Sandro Panese, Stefano Baratti, Renzo Scaggiante, Francesca Gatti, Saverio Giuseppe Parisi, Francesco Castelli, Eugenia Quiros-Roldan, Melania Degli Antoni, Isabella Zanella, Matteo Della Monica, Carmelo Piscopo, Mario Capasso, Roberta Russo, Immacolata Andolfo, Achille Iolascon, Giuseppe Fiorentino, Massimo Carella, Marco Castori, Filippo Aucella, Pamela Raggi, Rita Perna, Matteo Bassetti, Antonio Di Biagio, Maurizio Sanguinetti, Luca Masucci, Alessandra Guarnaccia, Serafina Valente, Oreste De Vivo, Elena Bargagli, Marco Mandalà, Alessia Giorli, Lorenzo Salerni, Patrizia Zucchi, Pierpaolo Parravicini, Elisabetta Menatti, Tullio Trotta, Ferdinando Giannattasio, Gabriella Coiro, Fabio Lena, Gianluca Lacerenza, Domenico A. Coviello, Cristina Mussini, Enrico Martinelli, Luisa Tavecchia, Mary Ann Belli, Lia Crotti, Gianfranco Parati, Maurizio Sanarico, Filippo Biscarini, Alessandra Stella, Marco Rizzi, Franco Maggiolo, Diego Ripamonti, Claudia Suardi, Tiziana Bachetti, Maria Teresa La Rovere, Simona Sarzi-Braga, Maurizio Bussotti, Katia Capitani, Simona Dei, Sabrina Ravaglia, Rosangela Artuso, Elena Andreucci, Giulia Gori, Angelica Pagliazzi, Erika Fiorentini, Antonio Perrella, Francesco Bianchi, Paola Bergomi, Emanuele Catena, Riccardo Colombo, Sauro Luchi, Giovanna Morelli, Paola Petrocelli, Sarah Iacopini, Sara Modica, Silvia Baroni, Francesco Vladimiro Segala, Francesco Menichetti, Marco Falcone, Giusy Tiseo, Chiara Barbieri, Tommaso Matucci, Davide Grassi, Claudio Ferri, Franco Marinangeli, Francesco Brancati, Antonella Vincenti, Valentina Borgo, Stefania Lombardi, Mirco Lenzi, Massimo Antonio Di Pietro, Francesca Vichi, Benedetta Romanin, Letizia Attala, Cecilia Costa, Andrea Gabbuti, Roberto Menè, Marta Colaneri, Patrizia Casprini, Giuseppe Merla, Gabriella Maria Squeo, Marcello Maffezzoni, Stefania Mantovani, Mario U. Mondelli &, Serena Ludovisi, Anthony, O, Nicola, P, Chiara, F, Margherita, B, Francesca, F, Francesca, C, Alessandra, R, Simone, F, Francesco, R, Mari, F, Daga, S, Benetti, E, Bruttini, M, Palmieri, M, Croci, S, Amitrano, S, Meloni, I, Frullanti, E, Doddato, G, Lista, M, Beligni, G, Valentino, F, Zguro, K, Tita, R, Giliberti, A, Antonietta Mencarelli, M, Lo Rizzo, C, Maria Pinto, A, Ariani, F, Di Sarno, L, Montagnani, F, Tumbarello, M, Rancan, I, Fabbiani, M, Rossetti, B, Bergantini, L, D’Alessandro, M, Cameli, P, Bennett, D, Anedda, F, Marcantonio, S, Scolletta, S, Franchi, F, Antonietta Mazzei, M, Guerrini, S, Conticini, E, Cantarini, L, Frediani, B, Tacconi, D, Spertilli Raffaelli, C, Feri, M, Donati, A, Scala, R, Guidelli, L, Spargi, G, Corridi, M, Nencioni, C, Croci, L, Piero Caldarelli, G, Romani, D, Piacentini, P, Bandini, M, Desanctis, E, Cappelli, S, Canaccini, A, Verzuri, A, Anemoli, V, Pisani, M, Ognibene, A, Pancrazzi, A, Lorubbio, M, Vaghi, M, D’Arminio Monforte, A, Gaia Miraglia, F, Bruno, R, Vecchia, M, Girardis, M, Venturelli, S, Busani, S, Cossarizza, A, Antinori, A, Vergori, A, Emiliozzi, A, Rusconi, S, Siano, M, Gabrieli, A, Riva, A, Francisci, D, Schiaroli, E, Paciosi, F, Tommasi, A, Zuccon, U, Vietri, L, Giorgio Scotton, P, Andretta, F, Panese, S, Baratti, S, Scaggiante, R, Gatti, F, Giuseppe Parisi, S, Castelli, F, Quiros-Roldan, E, Degli Antoni, M, Zanella, I, Della Monica, M, Piscopo, C, Capasso, M, Russo, R, Andolfo, I, Iolascon, A, Fiorentino, G, Carella, M, Castori, M, Aucella, F, Raggi, P, Perna, R, Bassetti, M, Di Biagio, A, Sanguinetti, M, Masucci, L, Guarnaccia, A, Valente, S, De Vivo, O, Bargagli, E, Mandalà, M, Giorli, A, Salerni, L, Zucchi, P, Parravicini, P, Menatti, E, Trotta, T, Giannattasio, F, Coiro, G, Lena, F, Lacerenza, G, Coviello, D, Mussini, C, Martinelli, E, Tavecchia, L, Ann Belli, M, Crotti, L, Parati, G, Sanarico, M, Biscarini, F, Stella, A, Rizzi, M, Maggiolo, F, Ripamonti, D, Suardi, C, Bachetti, T, Teresa La Rovere, M, Sarzi-Braga, S, Bussotti, M, Capitani, K, Dei, S, Ravaglia, S, Artuso, R, Andreucci, E, Gori, G, Pagliazzi, A, Fiorentini, E, Perrella, A, Bianchi, F, Bergomi, P, Catena, E, Colombo, R, Luchi, S, Morelli, G, Petrocelli, P, Iacopini, S, Modica, S, Baroni, S, Vladimiro Segala, F, Menichetti, F, Falcone, M, Tiseo, G, Barbieri, C, Matucci, T, Grassi, D, Ferri, C, Marinangeli, F, Brancati, F, Vincenti, A, Borgo, V, Lombardi, S, Lenzi, M, Antonio Di Pietro, M, Vichi, F, Romanin, B, Attala, L, Costa, C, Gabbuti, A, Menè, R, Colaneri, M, Casprini, P, Merla, G, Maria Squeo, G, Maffezzoni, M, Mantovani, S, Mondelli &amp, M, Ludovisi, S, Onoja, Anthony, Picchiotti, Nicola, Fallerini, Chiara, Baldassarri, Margherita, Fava, Francesca, Colombo, Francesca, Chiaromonte, Francesca, Renieri, Alessandra, Furini, Simone, Raimondi Francesco, Francesca Mari, Sergio Daga, Elisa Benetti, Mirella Bruttini, Maria Palmieri, Susanna Croci, Sara Amitrano, Ilaria Meloni, Elisa Frullanti, Gabriella Doddato, Mirjam Lista, Giada Beligni, Floriana Valentino, Kristina Zguro, Rossella Tita, Annarita Giliberti, Maria Antonietta Mencarelli, Caterina Lo Rizzo, Anna Maria Pinto, Francesca Ariani, Laura Di Sarno, Francesca Montagnani, Mario Tumbarello, Ilaria Rancan, Massimiliano Fabbiani, Barbara Rossetti, Laura Bergantini, Miriana D’Alessandro, Paolo Cameli, David Bennett, Federico Anedda, Simona Marcantonio, Sabino Scolletta, Federico Franchi, Maria Antonietta Mazzei, Susanna Guerrini, Edoardo Conticini, Luca Cantarini, Bruno Frediani, Danilo Tacconi, Chiara Spertilli Raffaelli, Marco Feri, Alice Donati, Raffaele Scala, Luca Guidelli, Genni Spargi, Marta Corridi, Cesira Nencioni, Leonardo Croci, Gian Piero Caldarelli, Davide Romani, Paolo Piacentini, Maria Bandini, Elena Desanctis, Silvia Cappelli, Anna Canaccini, Agnese Verzuri, Valentina Anemoli, Manola Pisani, Agostino Ognibene, Alessandro Pancrazzi, Maria Lorubbio, Massimo Vaghi, Antonella D’Arminio Monforte, Federica Gaia Miraglia, Raffaele Bruno, Marco Vecchia, Massimo Girardis, Sophie Venturelli, Stefano Busani, Andrea Cossarizza, Andrea Antinori, Alessandra Vergori, Arianna Emiliozzi, Stefano Rusconi, Matteo Siano, Arianna Gabrieli, Agostino Riva, Daniela Francisci, Elisabetta Schiaroli, Francesco Paciosi, Andrea Tommasi, Umberto Zuccon, Lucia Vietri, Pier Giorgio Scotton, Francesca Andretta, Sandro Panese, Stefano Baratti, Renzo Scaggiante, Francesca Gatti, Saverio Giuseppe Parisi, Francesco Castelli, Eugenia Quiros-Roldan, Melania Degli Antoni, Isabella Zanella, Matteo Della Monica, Carmelo Piscopo, Mario Capasso, Roberta Russo, Immacolata Andolfo, Achille Iolascon, Giuseppe Fiorentino, Massimo Carella, Marco Castori, Filippo Aucella, Pamela Raggi, Rita Perna, Matteo Bassetti, Antonio Di Biagio, Maurizio Sanguinetti, Luca Masucci, Alessandra Guarnaccia, Serafina Valente, Oreste De Vivo, Elena Bargagli, Marco Mandalà, Alessia Giorli, Lorenzo Salerni, Patrizia Zucchi, Pierpaolo Parravicini, Elisabetta Menatti, Tullio Trotta, Ferdinando Giannattasio, Gabriella Coiro, Fabio Lena, Gianluca Lacerenza, Domenico A. Coviello, Cristina Mussini, Enrico Martinelli, Luisa Tavecchia, Mary Ann Belli, Lia Crotti, Gianfranco Parati, Maurizio Sanarico, Filippo Biscarini, Alessandra Stella, Marco Rizzi, Franco Maggiolo, Diego Ripamonti, Claudia Suardi, Tiziana Bachetti, Maria Teresa La Rovere, Simona Sarzi-Braga, Maurizio Bussotti, Katia Capitani, Simona Dei, Sabrina Ravaglia, Rosangela Artuso, Elena Andreucci, Giulia Gori, Angelica Pagliazzi, Erika Fiorentini, Antonio Perrella, Francesco Bianchi, Paola Bergomi, Emanuele Catena, Riccardo Colombo, Sauro Luchi, Giovanna Morelli, Paola Petrocelli, Sarah Iacopini, Sara Modica, Silvia Baroni, Francesco Vladimiro Segala, Francesco Menichetti, Marco Falcone, Giusy Tiseo, Chiara Barbieri, Tommaso Matucci, Davide Grassi, Claudio Ferri, Franco Marinangeli, Francesco Brancati, Antonella Vincenti, Valentina Borgo, Stefania Lombardi, Mirco Lenzi, Massimo Antonio Di Pietro, Francesca Vichi, Benedetta Romanin, Letizia Attala, Cecilia Costa, Andrea Gabbuti, Roberto Menè, Marta Colaneri, Patrizia Casprini, Giuseppe Merla, Gabriella Maria Squeo, Marcello Maffezzoni, Stefania Mantovani, Mario U. Mondelli &, and Serena Ludovisi
Abstract: We employed a multifaceted computational strategy to identify the genetic factors contributing to increased risk of severe COVID-19 infection from a Whole Exome Sequencing (WES) dataset of a cohort of 2000 Italian patients. We coupled a stratified k-fold screening, to rank variants more associated with severity, with the training of multiple supervised classifiers, to predict severity based on screened features. Feature importance analysis from tree-based models allowed us to identify 16 variants with the highest support which, together with age and gender covariates, were found to be most predictive of COVID-19 severity. When tested on a follow-up cohort, our ensemble of models predicted severity with high accuracy (ACC = 81.88%; AUCROC = 96%; MCC = 61.55%). Our model recapitulated a vast literature of emerging molecular mechanisms and genetic factors linked to COVID-19 response and extends previous landmark Genome-Wide Association Studies (GWAS). It revealed a network of interplaying genetic signatures converging on established immune system and inflammatory processes linked to viral infection response. It also identified additional processes cross-talking with immune pathways, such as GPCR signaling, which might offer additional opportunities for therapeutic intervention and patient stratification. Publicly available PheWAS datasets revealed that several variants were significantly associated with phenotypic traits such as “Respiratory or thoracic disease”, supporting their link with COVID-19 severity outcome.
Published: 2022

22. An explainable model of host genetic interactions linked to COVID-19 severity

Author: Onoja, Anthony, Picchiotti, Nicola, Fallerini, Chiara, Baldassarri, Margherita, Fava, Francesca, Colombo, Francesca, Chiaromonte, Francesca, Renieri, Alessandra, Furini, Simone, Raimondi, Francesco GEN-COVID Multicenter Study: Francesca Mari, Sergio, Daga, Elisa, Benetti, Mirella, Bruttini, Maria, Palmieri, Susanna, Croci, Sara, Amitrano, Ilaria, Meloni, Elisa, Frullanti, Gabriella, Doddato, Mirjam, Lista, Giada, Beligni, Floriana, Valentino, Kristina, Zguro, Rossella, Tita, Annarita, Giliberti, Maria Antonietta Mencarelli, Caterina Lo Rizzo, Anna Maria Pinto, Francesca, Ariani, Laura Di Sarno, Francesca, Montagnani, Mario, Tumbarello, Ilaria, Rancan, Massimiliano, Fabbiani, Barbara, Rossetti, Laura, Bergantini, Miriana, D'Alessandro, Paolo, Cameli, David, Bennett, Federico, Anedda, Simona, Marcantonio, Sabino, Scolletta, Federico, Franchi, Maria Antonietta Mazzei, Susanna, Guerrini, Edoardo, Conticini, Luca, Cantarini, Bruno, Frediani, Danilo, Tacconi, Chiara Spertilli Raffaelli, Marco, Feri, Alice, Donati, Raffaele, Scala, Luca, Guidelli, Genni, Spargi, Marta, Corridi, Cesira, Nencioni, Leonardo, Croci, Gian Piero Caldarelli, Davide, Romani, Paolo, Piacentini, Maria, Bandini, Elena, Desanctis, Silvia, Cappelli, Anna, Canaccini, Agnese, Verzuri, Valentina, Anemoli, Manola, Pisani, Agostino, Ognibene, Alessandro, Pancrazzi, Maria, Lorubbio, Massimo, Vaghi, Antonella D'Arminio Monforte, Federica Gaia Miraglia, Raffaele, Bruno, Marco, Vecchia, Massimo, Girardis, Sophie, Venturelli, Stefano, Busani, Andrea, Cossarizza, Andrea, Antinori, Alessandra, Vergori, Arianna, Emiliozzi, Stefano, Rusconi, Matteo, Siano, Arianna, Gabrieli, Agostino, Riva, Daniela, Francisci, Elisabetta, Schiaroli, Francesco, Paciosi, Andrea, Tommasi, Umberto, Zuccon, Lucia, Vietri, Pier Giorgio Scotton, Francesca, Andretta, Sandro, Panese, Stefano, Baratti, Renzo, Scaggiante, Francesca, Gatti, Saverio Giuseppe Parisi, Francesco, Castelli, Eugenia, Quiros-Roldan, Melania Degli Antoni, Isabella, Zanella, Matteo Della Monica, Carmelo, Piscopo, Mario, Capasso, Roberta, Russo, Immacolata, Andolfo, Achille, Iolascon, Giuseppe, Fiorentino, Massimo, Carella, Marco, Castori, Filippo, Aucella, Pamela, Raggi, Rita, Perna, Matteo, Bassetti, Antonio Di Biagio, Maurizio, Sanguinetti, Luca, Masucci, Alessandra, Guarnaccia, Serafina, Valente, Oreste De Vivo, Elena, Bargagli, Marco, Mandalà, Alessia, Giorli, Lorenzo, Salerni, Patrizia, Zucchi, Pierpaolo, Parravicini, Elisabetta, Menatti, Tullio, Trotta, Ferdinando, Giannattasio, Gabriella, Coiro, Fabio, Lena, Gianluca, Lacerenza, Domenico, A Coviello, Cristina, Mussini, Enrico, Martinelli, Luisa, Tavecchia, Mary Ann Belli, Lia, Crotti, Gianfranco, Parati, Maurizio, Sanarico, Filippo, Biscarini, Alessandra, Stella, Marco, Rizzi, Franco, Maggiolo, Diego, Ripamonti, Claudia, Suardi, Tiziana, Bachetti, Maria Teresa La Rovere, Simona, Sarzi-Braga, Maurizio, Bussotti, Katia, Capitani, Simona, Dei, Sabrina, Ravaglia, Rosangela, Artuso, Elena, Andreucci, Giulia, Gori, Angelica, Pagliazzi, Erika, Fiorentini, Antonio, Perrella, Francesco, Bianchi, Paola, Bergomi, Emanuele, Catena, Riccardo, Colombo, Sauro, Luchi, Giovanna, Morelli, Paola, Petrocelli, Sarah, Iacopini, Sara, Modica, Silvia, Baroni, Francesco Vladimiro Segala, Francesco, Menichetti, Marco, Falcone, Giusy, Tiseo, Chiara, Barbieri, Tommaso, Matucci, Grassi, Davide, Ferri, Claudio, Marinangeli, Franco, Brancati, Francesco, Antonella, Vincenti, Valentina, Borgo, Lombardi, Stefania, Mirco, Lenzi, Massimo Antonio Di Pietro, Francesca, Vichi, Benedetta, Romanin, Letizia, Attala, Cecilia, Costa, Andrea, Gabbuti, Roberto, Menè, Marta, Colaneri, Patrizia, Casprini, Giuseppe, Merla, Gabriella Maria Squeo, Marcello, Maffezzoni, Stefania, Mantovani, Mario, U Mondelli, Serena, Ludovisi, Onoja, Anthony, Picchiotti, Nicola, Fallerini, Chiara, Baldassarri, Margherita, Fava, Francesca, nbsp, Multicenter Study, GEN-COVID, Colombo, Francesca, Chiaromonte, Francesca, Renieri, Alessandra, Furini, Simone, Raimondi, Francesco, Anthony, O, Nicola, P, Chiara, F, Margherita, B, Francesca, F, Francesca, C, Alessandra, R, Simone, F, Francesco, R, Mari, F, Daga, S, Benetti, E, Bruttini, M, Palmieri, M, Croci, S, Amitrano, S, Meloni, I, Frullanti, E, Doddato, G, Lista, M, Beligni, G, Valentino, F, Zguro, K, Tita, R, Giliberti, A, Antonietta Mencarelli, M, Lo Rizzo, C, Maria Pinto, A, Ariani, F, Di Sarno, L, Montagnani, F, Tumbarello, M, Rancan, I, Fabbiani, M, Rossetti, B, Bergantini, L, D’Alessandro, M, Cameli, P, Bennett, D, Anedda, F, Marcantonio, S, Scolletta, S, Franchi, F, Antonietta Mazzei, M, Guerrini, S, Conticini, E, Cantarini, L, Frediani, B, Tacconi, D, Spertilli Raffaelli, C, Feri, M, Donati, A, Scala, R, Guidelli, L, Spargi, G, Corridi, M, Nencioni, C, Croci, L, Piero Caldarelli, G, Romani, D, Piacentini, P, Bandini, M, Desanctis, E, Cappelli, S, Canaccini, A, Verzuri, A, Anemoli, V, Pisani, M, Ognibene, A, Pancrazzi, A, Lorubbio, M, Vaghi, M, D’Arminio Monforte, A, Gaia Miraglia, F, Bruno, R, Vecchia, M, Girardis, M, Venturelli, S, Busani, S, Cossarizza, A, Antinori, A, Vergori, A, Emiliozzi, A, Rusconi, S, Siano, M, Gabrieli, A, Riva, A, Francisci, D, Schiaroli, E, Paciosi, F, Tommasi, A, Zuccon, U, Vietri, L, Giorgio Scotton, P, Andretta, F, Panese, S, Baratti, S, Scaggiante, R, Gatti, F, Giuseppe Parisi, S, Castelli, F, Quiros-Roldan, E, Degli Antoni, M, Zanella, I, Della Monica, M, Piscopo, C, Capasso, M, Russo, R, Andolfo, I, Iolascon, A, Fiorentino, G, Carella, M, Castori, M, Aucella, F, Raggi, P, Perna, R, Bassetti, M, Di Biagio, A, Sanguinetti, M, Masucci, L, Guarnaccia, A, Valente, S, De Vivo, O, Bargagli, E, Mandalà, M, Giorli, A, Salerni, L, Zucchi, P, Parravicini, P, Menatti, E, Trotta, T, Giannattasio, F, Coiro, G, Lena, F, Lacerenza, G, Coviello, D, Mussini, C, Martinelli, E, Tavecchia, L, Ann Belli, M, Crotti, L, Parati, G, Sanarico, M, Biscarini, F, Stella, A, Rizzi, M, Maggiolo, F, Ripamonti, D, Suardi, C, Bachetti, T, Teresa La Rovere, M, Sarzi-Braga, S, Bussotti, M, Capitani, K, Dei, S, Ravaglia, S, Artuso, R, Andreucci, E, Gori, G, Pagliazzi, A, Fiorentini, E, Perrella, A, Bianchi, F, Bergomi, P, Catena, E, Colombo, R, Luchi, S, Morelli, G, Petrocelli, P, Iacopini, S, Modica, S, Baroni, S, Vladimiro Segala, F, Menichetti, F, Falcone, M, Tiseo, G, Barbieri, C, Matucci, T, Grassi, D, Ferri, C, Marinangeli, F, Brancati, F, Vincenti, A, Borgo, V, Lombardi, S, Lenzi, M, Antonio Di Pietro, M, Vichi, F, Romanin, B, Attala, L, Costa, C, Gabbuti, A, Menè, R, Colaneri, M, Casprini, P, Merla, G, Maria Squeo, G, Maffezzoni, M, Mantovani, S, Mondelli &amp, M, and Ludovisi, S
Subjects: Genetics, Coronavirus disease 2019 (COVID-19), Host (biology), COVID-19, Medicine (miscellaneous), Settore BIO/11 - Biologia Molecolare, Biology, Settore MED/07 - MICROBIOLOGIA E MICROBIOLOGIA CLINICA, Whole Exome Sequencing, General Biochemistry, Genetics and Molecular Biology, machine learning, Phenotype, Exome Sequencing, Humans, Genetic Predisposition to Disease, Genome-Wide Association Study, General Agricultural and Biological Sciences, COVID, Human
Abstract: We employed a multifaceted computational strategy to identify the genetic factors contributing to increased risk of severe COVID-19 infection from a Whole Exome Sequencing (WES) dataset of a cohort of 2000 Italian patients. We coupled a stratified k-fold screening, to rank variants more associated with severity, with training of multiple supervised classifiers, to predict severity on the basis of screened features. Feature importance analysis from tree-based models allowed to identify a handful of 16 variants with highest support which, together with age and gender covariates, were found to be most predictive of COVID-19 severity. When tested on a follow-up cohort, our ensemble of models predicted severity with good accuracy (ACC=81.88%; ROC_AUC=96%; MCC=61.55%). Principal Component Analysis (PCA) and clustering of patients on important variants orthogonally identified two groups of individuals with a higher fraction of severe cases. Our model recapitulated a vast literature of emerging molecular mechanisms and genetic factors linked to COVID-19 response and extends previous landmark Genome Wide Association Studies (GWAS). It revealed a network of interplaying genetic signatures converging on established immune system and inflammatory processes linked to viral infection response, such as JAK-STAT, Cytokine, Interleukin, and C-type lectin receptor signaling. It also identified additional processes cross-talking with immune pathways, such as GPCR signalling, which might offer additional opportunities for therapeutic intervention and patient stratification. Publicly available PheWAS datasets revealed that several variants were significantly associated with phenotypic traits such as “Respiratory or thoracic disease”, confirming their link with COVID-19 severity outcome. Taken together, our analysis suggests that curated genetic information can be effectively integrated along with other patient clinical covariates to forecast COVID-19 disease severity and dissect the underlying host genetic mechanisms for personalized medicine treatments.
Published: 2022
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23. Common, low-frequency, rare, and ultra-rare coding variants contribute to COVID-19 severity

Author: Fallerini, Chiara, Picchiotti, Nicola, Baldassarri, Margherita, Zguro, Kristina, Daga, Sergio, Fava, Francesca, Benetti, Elisa, Amitrano, Sara, Bruttini, Mirella, Palmieri, Maria, Croci, Susanna, Lista, Mirjam, Beligni, Giada, Valentino, Floriana, Meloni, Ilaria, Tanfoni, Marco, Minnai, Francesca, Colombo, Francesca, Cabri, Enrico, Fratelli, Maddalena, Gabbi, Chiara, Mantovani, Stefania, Frullanti, Elisa, Gori, Marco, Crawley, Francis P, Butler-Laporte, Guillaume, Richards, Brent, Zeberg, Hugo, Lipcsey, Miklos, Hultström, Michael, Ludwig, Kerstin U, Schulte, Eva C, Pairo-Castineira, Erola, Baillie, John Kenneth, Schmidt, Axel, Frithiof, Robert, Mari, Francesca, Renieri, Alessandra, Furini, Simone Simone Furini, Francesca, Montagnani, Mario, Tumbarello, Ilaria, Rancan, Massimiliano, Fabbiani, Barbara, Rossetti, Laura, Bergantini, Miriana, D'Alessandro, Paolo, Cameli, David, Bennett, Federico, Anedda, Simona, Marcantonio, Sabino, Scolletta, Federico, Franchi, Maria Antonietta Mazzei, Susanna, Guerrini, Edoardo, Conticini, Luca, Cantarini, Bruno, Frediani, Danilo, Tacconi, Chiara Spertilli Raffaelli, Marco, Feri, Alice, Donati, Raffaele, Scala, Luca, Guidelli, Genni, Spargi, Marta, Corridi, Cesira, Nencioni, Leonardo, Croci, Gian Piero Caldarelli, Maurizio, Spagnesi, Davide, Romani, Paolo, Piacentini, Maria, Bandini, Elena, Desanctis, Silvia, Cappelli, Anna, Canaccini, Agnese, Verzuri, Valentina, Anemoli, Manola, Pisani, Agostino, Ognibene, Alessandro, Pancrazzi, Maria, Lorubbio, Massimo, Vaghi, Antonella, D 'Arminio Monforte, Federica Gaia Miraglia, Mario, U Mondelli, Massimo, Girardis, Sophie, Venturelli, Stefano, Busani, Andrea, Cossarizza, Andrea, Antinori, Alessandra, Vergori, Arianna, Emiliozzi, Stefano, Rusconi, Matteo, Siano, Arianna, Gabrieli, Agostino, Riva, Daniela, Francisci, Elisabetta, Schiaroli, Francesco, Paciosi, Andrea, Tommasi, Pier Giorgio Scotton, Francesca, Andretta, Sandro, Panese, Stefano, Baratti, Renzo, Scaggiante, Francesca, Gatti, Saverio Giuseppe Parisi, Francesco, Castelli, Eugenia, Quiros-Roldan, Melania Degli Antoni, Isabella, Zanella, Matteo Della Monica, Carmelo, Piscopo, Mario, Capasso, Roberta, Russo, Immacolata, Andolfo, Achille, Iolascon, Giuseppe, Fiorentino, Massimo, Carella, Marco, Castori, Filippo, Aucella, Pamela, Raggi, Rita, Perna, Matteo, Bassetti, Antonio Di Biagio, Maurizio, Sanguinetti, Luca, Masucci, Alessandra, Guarnaccia, Serafina, Valente, Oreste De Vivo, Gabriella, Doddato, Rossella, Tita, Annarita, Giliberti, Maria Antonietta Mencarelli, Caterina Lo Rizzo, Anna Maria Pinto, Valentina, Perticaroli, Francesca, Ariani, Miriam Lucia Carriero, Laura Di Sarno, Diana, Alaverdian, Elena, Bargagli, Marco, Mandalà, Alessia, Giorli, Lorenzo, Salerni, Patrizia, Zucchi, Pierpaolo, Parravicini, Elisabetta, Menatti, Tullio, Trotta, Ferdinando, Giannattasio, Gabriella, Coiro, Fabio, Lena, Leonardo Gianluca Lacerenza, Domenico, A Coviello, Cristina, Mussini, Enrico, Martinelli, Sandro, Mancarella, Luisa, Tavecchia, Mary Ann Belli, Lia, Crotti, Gianfranco, Parati, Maurizio, Sanarico, Francesco, Raimondi, Filippo, Biscarini, Alessandra, Stella, Marco, Rizzi, Franco, Maggiolo, Diego, Ripamonti, Claudia, Suardi, Tiziana, Bachetti, Maria Teresa La Rovere, Simona, Sarzi-Braga, Maurizio, Bussotti, Katia, Capitani, Simona, Dei, Sabrina, Ravaglia, Rosangela, Artuso, Elena, Andreucci, Giulia, Gori, Angelica, Pagliazzi, Erika, Fiorentini, Antonio, Perrella, Francesco, Bianchi, Paola, Bergomi, Emanuele, Catena, Riccardo, Colombo, Sauro, Luchi, Giovanna, Morelli, Paola, Petrocelli, Sarah, Iacopini, Sara, Modica, Silvia, Baroni, Francesco Vladimiro Segala, Francesco, Menichetti, Marco, Falcone, Giusy, Tiseo, Chiara, Barbieri, Tommaso, Matucci, Grassi, Davide, Ferri, Claudio, Marinangeli, Franco, Brancati, Francesco, Antonella, Vincenti, Valentina, Borgo, Lombardi, Stefania, Mirco, Lenzi, Massimo Antonio Di Pietro, Francesca, Vichi, Benedetta, Romanin, Letizia, Attala, Cecilia, Costa, Andrea, Gabbuti, Menè, Roberto, Umberto, Zuccon, Lucia, Vietri, Stefano, Ceri, Pietro, Pinoli, Patrizia, Casprini, Giuseppe, Merla, Gabriella Maria Squeo, Marcello, Maffezzoni, Raffaele, Bruno, Marco, Vecchia, Marta, Colaneri, Serena, Ludovisi, Yanara, Marincevic-Zuniga, Jessica, Nordlund, Tomas, Luther, Anders, Larsson, Katja Hanslin Anna Gradin, Sarah, Galien, Sara Bulow Anderberg, Jacob, Rosén, Sten, Rubertsson, Hugo, Zeberg, Robert, Frithiof, Miklós, Lipcsey, Michael, Hultström, Sara Clohisey Peter Horby, Johnny, Millar, Julian, Knight, Hugh, Montgomery, David, Maslove, Lowell, Ling, Alistair, Nichol, Charlotte, Summers, Tim, Walsh, Charles, Hinds, Malcolm, G Semple, Peter J, M Openshaw, Manu, Shankar-Hari, Antonia, Ho, Danny, Mcauley, Chris, Ponting, Kathy, Rowan, J Kenneth Baillie, Fiona, Griffiths, Wilna, Oosthuyzen, Jen, Meikle, Paul, Finernan, James, Furniss, Ellie, Mcmaster, Andy, Law, Sara, Clohisey, Trevor, Paterson, Tony, Wackett, Ruth, Armstrong, Lee, Murphy, Angie, Fawkes, Richard, Clark, Audrey, Coutts, Lorna, Donnelly, Tammy, Gilchrist, Katarzyna, Hafezi, Louise, Macgillivray, Alan, Maclean, Sarah, Mccafferty, Kirstie, Morrice, Jane, Weaver, Ceilia, Boz, Ailsa, Golightly, Mari, Ward, Hanning, Mal, Helen, Szoor-McElhinney, Adam, Brown, Ross, Hendry, Andrew, Stenhouse, Louise, Cullum, Dawn, Law, Sarah, Law, Rachel, Law, Max Head Fourman, Maaike, Swets, Nicky, Day, Filip, Taneski, Esther, Duncan, Marie, Zechner, Nicholas, Parkinson, Erola, Pairo-Castineira, Lucija, Klaric, Andrew, D Bretherick, Konrad, Rawlik, Dorota, Pasko, Susan, Walker, Nick, Parkinson, Clark, D Russell, Anne, Richmond, Elvina, Gountouna, David, Harrison, Wang, Bo, Yang, Wu, Alison, Meynert, Athanasios, Kousathanas, Loukas, Moutsianas, Zhijian, Yang, Ranran, Zhai, Chenqing, Zheng, Graeme, Grimes, Jonathan, Millar, Barbara, Shih, Jian, Yang, Xia, Shen, Chris, P Ponting, Albert, Tenesa, Andrew, Law, Veronique, Vitart, James, F Wilson, Collier, D, Wood, S, Zak, A, Borra, C, Matharu, M, May, P, Alldis, Z, Mitchelmore, O, Bowles, R, Easthorpe, A, Bibi, F, Lancoma-Malcolm, I, Gurasashvili, J, Pheby, J, Shiel, J, Bolton, M, Patel, M, Taylor, M, Zongo, O, Ebano, P, Harding, P, Astin-Chamberlain, R, Choudhury, Y, Cox, A, Kallon, D, Burton, M, Hall, R, Blowes, S, Prime, Z, Biddle, J, Prysyazhna, O, Newman, T, Tierney, C, Kassam, J, Shankar-Hari, M, Ostermann, M, Campos, S, Bociek, A, Lim, R, Grau, N, O Jones, T, Whitton, C, Marotti, M, Arbane, G, Bonner, S, Hugill, K, Reid, J, Welters, I, Waugh, V, Williams, K, Shaw, D, J Fernandez Roman, M Lopez Martinez, Johnson, E, Waite, A, Johnson, B, Hamilton, O, Mulla, S, Mcphail, M, Smith, J, K Baillie, J, Barclay, L, Hope, D, Mcculloch, C, Mcquillan, L, Clark, S, Singleton, J, Priestley, K, Rea, N, Callaghan, M, Campbell, R, Andrew, G, Marshall, L, Mckechnie, S, Hutton, P, Bashyal, A, Davidson, N, Summers, C, Polgarova, P, Stroud, K, Pathan, N, Elston, K, Agrawal, S, Battle, C, Newey, L, Rees, T, Harford, R, Brinkworth, E, Williams, M, Murphy, C, White, I, Croft, M, Bandla, N, Gellamucho, M, Tomlinson, J, Turner, H, Davies, M, Quinn, A, Hussain, I, Thompson, C, Parker, H, Bradley, R, Griffiths, R, Scriven, J, Gill, J, Puxty, A, Cathcart, S, Salutous, D, Turner, L, Duffy, K, Puxty, K, Joseph, A, Herdman-Grant, R, Simms, R, Swain, A, Naranjo, A, Crowe, R, Sollesta, K, Loveridge, A, Baptista, D, Morino, E, Davey, M, Golden, D, Jones, J, J Moreno Cuesta, Haldeos, A, Bakthavatsalam, D, Vincent, R, Elhassan, M, Xavier, K, Ganesan, A, Purohit, D, Abdelrazik, M, Morgan, J, Akeroyd, L, Bano, S, Warren, D, Bromley, M, Sellick, K, Gurr, L, Wilkinson, B, Nagarajan, V, Szedlak, P, Cupitt, J, Stoddard, E, Benham, L, Preston, S, Slawson, N, Bradshaw, Z, Brown, J, Caswell, M, Smelling, Bamford, P, Faulkner, M, Cawley, K, Jeffrey, H, London, E, Sainsbury, H, Nagra, I, Nasir, F, Dunmore, Ce, Jones, R, Abraheem, A, Al-Moasseb, M, Girach, R, Brantwood, C, Alexander, P, Bradley-Potts, J, Allen, S, Felton, T, Manna, S, 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Mohamed Ali, Rangarajan, H, Sarathy, V, Selvanayagam, S, Vedage, D, White, M, Smith, M, Truman, N, Chukkambotla, S, Keith, S, Cockerill-Taylor, J, Ryan-Smith, J, Bolton, R, Springle, P, Dykes, J, Thomas, J, Khan, M, T Hijazi, M, Massey, E, Croston, G, Reschreiter, H, Camsooksai, J, Patch, S, Jenkins, S, Humphrey, C, Wadams, B, Bhatia, N, Msiska, M, Adanini, O, Attwood, B, Parsons, P, Tatham, K, Jhanji, S, Black, E, A Dela Rosa, Howle, R, Thomas, B, Bemand, T, Raobaikady, R, Saha, R, Staines, N, Daniel, A, Finn, J, Hutter, J, Doble, P, Shovelton, C, Pawley, C, Kannan, T, Hill, M, Combes, E, Monnery, S, Joefield, T, Popescu, M, Thankachen, M, Oblak, M, Little, J, Mcivor, S, Brady, A, Whittle, H, Prady, H, Chan, R, Ahmed, A, Morris, A, Gibson, C, Gordon, E, Keenan, S, Quinn, H, Benyon, S, Marriott, S, Zitter, L, Park, L, Baines, K, Lyons, M, Holland, M, Keenan, N, Young, M, Garrioch, S, Dawson, J, Tolson, M, Scholefield, B, R, Bi, Richardson, N, Schumacher, N, Cosier, T, Millen, G, Higham, A, Turki, S, Allen, L, Crisp, N, Hazleton, T, Knight, A, Deery, J, Price, C, Turney, S, Tilbey, S, Beranova, E, Wright, D, Georg, L, Twiss, S, Wadd, S, Postlethwaite, K, Gondo, P, Masunda, B, Kayani, A, Hadebe, B, Whiteside, J, Clarke, N, Donnison, P, Trim, F, Leadbitter, I, Butcher, D, O'Sullivan, S, Purewal, B, Bell, S, Rivers', V, O'Leary, R, Birch, J, Collins, E, Anderson, S, Hammerton, K, Andrews, E, Burns, K, Edmond, I, Todd, A, Donnachie, J, Turner, P, Prentice, L, Symon, L, Runciman, N, Auld, F, Halkes, M, Mercer, P, Thornton, L, Debreceni, G, Wilkins, J, Brown, A, Crickmore, V, Subramanian, G, Marshall, R, Jennings, C, Latif, M, Bunni, L, Spivey, M, Bean, S, Burt, K, Linnett, V, Ritzema, J, Sanderson, A, Mccormick, W, Bokhari, M, Kapoor, R, Loader, D, Ayers, A, Harrison, W, North, J, Belagodu, Z, Parasomthy, R, Olufuwa, O, Gherman, A, Fuller, B, Stuart, C, Kelsall, O, Davis, C, Wild, L, Wood, H, Thrush, J, Durie, A, Austin', K, Archer, K, Anderson, P, Vigurs, C, Thorpe, C, Knights, E, Boyle, N, Price, A, Kubisz-Pudelko, A, Wood, D, Lewis, A, Board, S, Pippard, L, Perry, J, Beesley, K, Rattray, A, Lee, E, Lennon, L, Douglas, K, Bell, D, Boyle, R, Glass, L, M Nauman Akhtar, Dent, K, Potoczna, D, Pearson, S, Horsley, E, Spencer, S, Mullan, D, Skinner, D, Gaylard, J, Ortiz-Ruizdegordoa, L, Barber, R, Hewitt, C, Hilldrith, A, Shepardson, S, Wills, M, Jackson-Lawrence, K, Gupta, A, Easthope, A, Timlick, E, Gorman, C, Otaha, I, Gales, A, Coetzee, S, Raj, M, Peiu, M, Quaid, S, Watson, E, Elliott, K, Mallinson, J, Chandler, B, Turnbull, A, Finch, C, Holl, C, Cooper, J, Evans, A, Khaliq, W, Collins, A, E Treus Gude, Love, N, L van Koutrik, Hunt, J, Kaye, D, Fisher, E, Brayne, A, Tuckey, V, Jackson, P, Parkin, J, Raith, E, Tariq, A, Houlden, H, Tucci, A, Hardy, J, Moncur, E, Highgate, J, Cowley, A, Mitra, A, Stead, R, Behan, T, Burnett, C, Newton, M, Heeney, E, Pollard, R, Hatton, J, Patel, A, Kasipandian, V, Allibone, S, M Genetu, R, Otahal, I, O'Brien, L, Omar, Z, Perkins, E, Davies, K, Tetla, D, Shelley, B, Irvine, V, Williams, S, Williams, P, Goodsell, J, Tutton, R, Bough, L, Winter-Goodwin, B, Kitson, R, Pinnell, J, Wilson, A, Nortcliffe, T, Wood, T, Home, M, Holdroyd, K, Robinson, M, Shaw, R, Greig, J, Brady, M, Haigh, A, Matupe, L, Usher, M, Mellor, S, Dale, S, Gledhill, L, Shaw, L, Turner, G, Kelly, D, Anwar, B, Riley, H, Sturgeon, H, Ali, A, Thomis, L, Melia, D, Dance, A, Hanson, K, Humphreys, S, Frost, I, Gopal, V, Godden, J, Holden, A, Swann, S, Smith, T, Clapham, M, Poultney, U, Harper, R, Rice, P, Reece-Anthony, R, Gurung, B, Moultrie, S, Odam, M, Mayer, A, Bellini, A, Pickard, A, Bryant, J, Roe, N, Sowter, J, Lang, K, Taylor, J, Barry, P, Hobrok, M, Tench, H, Wolf-Roberts, R, Mcguinness, H, Loosley, R, Hawcutt, D, Rad, L, O'Malley, L, Saunderson, P, Seddon, G, Anderson, T, Rogers, N, Ruddy, J, Harkins, M, Beith, C, Mcalpine, A, Ferguson, L, Grant, P, Macfadyen, S, Mclaughlin, M, Baird, T, Rundell, S, Welsh, B, Hamill, R, Fisher, F, Gregory, J, Axel, Schmidt, Kerstin, U Ludwig, Selina, Rolker, Markus, M Nöthen, Julia, Fazaal, Verena, Keitel, Björn, Jensen, Torsten, Feldt, Lisa, Knopp, Julia, Schröder, Carlo, Maj, Fabian, Brand, Marc, M Berger, Thorsten, Brenner, Anke, Hinney, Oliver, Witzke, Robert, Bals, Christian, Herr, Nicole, Ludwig, Jörn, Walter, Jochen, Schneider, Johanna, Erber, Christoph, D Spinner, Clemens, M Wendtner, Christof, Winter, Ulrike, Protzer, Nicolas, Casadei, Stephan, Ossowski, Olaf, H Riess, Eva, C Schulte, J Brent Richards, Guillaume, Butler-Laporte, Mirosław, Kwasniewski, Urszula, Korotko, Karolina, Chwialkowska, Magdalena, Niemira, Jerzy, Jaroszewicz, Barbara, Sobala-Szczygiel, Beata, Puzanowska, Anna, Parfieniuk-Kowerda, Diana, Martonik, Anna, Moniuszko-Malinowska, Sławomir, Pancewicz, Dorota, Zarębska-Michaluk, Krzysztof, Simon, Monika, Pazgan-Simon, Iwona, Mozer-Lisewska, Maciej, Bura, Agnieszka, Adamek, Krzysztof Tomasiewicz Małgorzata Pawłowska, Anna, Piekarska, Aleksandra, Berkan-Kawinska, Andrzej, Horban, Justyna, Kowalska, Regina, Podlasin, Piotr, Wasilewski, Arsalin, Azzadin, Miroslaw, Czuczwar, Slawomir, Czaban, Paweł, Olszewski, Jacek, Bogocz, Magdalena, Ochab, Anna, Kruk, Sandra, Uszok, Agnieszka, Bielska, Anna, Szałkowska, Justyna, Raczkowska, Gabriela, Sokołowska, Joanna, Chorostowska-Wynimko, Aleksandra, Jezela-Stanek, Adriana, Roży, Urszula, Lechowicz, Urszula, Polowianiuk, Kamil, Grubczak, Aleksandra, Starosz, Andrzej, Eljaszewicz, Wiktoria, Izdebska, Adam, Krętowski, Robert, Flisiak, Marcin Moniuszko Malak Abedalthagafi Manal Alaamery, Salam, Massadeh, Mohamed, Fawzy, Hadeel, Albardis, Nora, Aljawini, Moneera, Alsuwailm, Faisal, Almalki, Serghei, Mangul, Junghyun, Jung, Hamdi, Mbarek, Chadi, Saad, Yaser, Al-Sarraj, Wadha, Al-Muftah, Radja, Badji, Asma Al Thani, Said, I Ismail, HGI, WES/WGS Working Group Within the, Consortium, GenOMICC, Study, GEN-COVID Multicenter, Renieri, Alessandra [0000-0002-0846-9220], Apollo - University of Cambridge Repository, NIHR, Fallerini, C, Picchiotti, N, Baldassarri, M, Zguro, K, Daga, S, Fava, F, Benetti, E, Amitrano, S, Bruttini, M, Palmieri, M, Croci, S, Lista, M, Beligni, G, Valentino, F, Meloni, I, Tanfoni, M, Minnai, F, Colombo, F, Cabri, E, Fratelli, M, Gabbi, C, Mantovani, S, Frullanti, E, Gori, M, Crawley, F, Butler-Laporte, G, Richards, B, Zeberg, H, Lipcsey, M, Hultström, M, Ludwig, K, Schulte, E, Pairo-Castineira, E, Baillie, J, Schmidt, A, Frithiof, R, Mari, F, Renieri, A, Furini, S, and Crotti, L
Subjects: Male, Medicin och hälsovetenskap, Linkage disequilibrium, Medizin, severity, Genome-wide association study, Disease, WES/WGS Working Group Within the HGI, Logistic regression, Severity of Illness Index, Medical and Health Sciences, Whole Exome Sequencing, Cohort Studies, 0302 clinical medicine, Lasso (statistics), GEN-COVID Multicenter Study, Germany, 80 and over, Genetics (clinical), Exome sequencing, Original Investigation, Genetics & Heredity, Aged, 80 and over, 0303 health sciences, Adult, Aged, COVID-19, Female, Humans, Italy, Middle Aged, Polymorphism, Single Nucleotide, Quebec, SARS-CoV-2, Sweden, United Kingdom, Genetic Predisposition to Disease, Phenotype, Single Nucleotide, covid-19, 1104 Complementary and Alternative Medicine, GenOMICC Consortium, Human, coding variants, Computational biology, Biology, 03 medical and health sciences, Exome Sequencing, Genetics, Polymorphism, Gene, 030304 developmental biology, 0604 Genetics, 1114 Paediatrics and Reproductive Medicine, Cohort Studie, 030217 neurology & neurosurgery, Coding (social sciences)
Abstract: The combined impact of common and rare exonic variants in COVID-19 host genetics is currently insufficiently understood. Here, common and rare variants from whole-exome sequencing data of about 4000 SARS-CoV-2-positive individuals were used to define an interpretable machine-learning model for predicting COVID-19 severity. First, variants were converted into separate sets of Boolean features, depending on the absence or the presence of variants in each gene. An ensemble of LASSO logistic regression models was used to identify the most informative Boolean features with respect to the genetic bases of severity. The Boolean features selected by these logistic models were combined into an Integrated PolyGenic Score that offers a synthetic and interpretable index for describing the contribution of host genetics in COVID-19 severity, as demonstrated through testing in several independent cohorts. Selected features belong to ultra-rare, rare, low-frequency, and common variants, including those in linkage disequilibrium with known GWAS loci. Noteworthily, around one quarter of the selected genes are sex-specific. Pathway analysis of the selected genes associated with COVID-19 severity reflected the multi-organ nature of the disease. The proposed model might provide useful information for developing diagnostics and therapeutics, while also being able to guide bedside disease management. Supplementary Information The online version contains supplementary material available at 10.1007/s00439-021-02397-7.
Published: 2021
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24. Genotypes and phenotypes heterogeneity in PIK3CA-related overgrowth spectrum and overlapping conditions: 150 novel patients and systematic review of 1007 patients with PIK3CA pathogenetic variants

Author: Alessandro Mussa, Chiara Leoni, Matteo Iacoviello, Diana Carli, Carlotta Ranieri, Antonino Pantaleo, Paola Sabrina Buonuomo, Rosanna Bagnulo, Giovanni Battista Ferrero, Andrea Bartuli, Daniela Melis, Silvia Maitz, Daria Carmela Loconte, Antonella Turchiano, Marilidia Piglionica, Annunziata De Luisi, Francesco Claudio Susca, Nenad Bukvic, Cinzia Forleo, Angelo Selicorni, Giuseppe Zampino, Roberta Onesimo, Gerarda Cappuccio, Livia Garavelli, Chiara Novelli, Luigi Memo, Carla Morando, Matteo Della Monica, Maria Accadia, Martina Capurso, Carmelo Piscopo, Anna Cereda, Marilena Carmela Di Giacomo, Veronica Saletti, Alessandro Mauro Spinelli, Patrizia Lastella, Romano Tenconi, Veronika Dvorakova, Alan D Irvine, Nicoletta Resta, Mussa, Alessandro, Leoni, Chiara, Iacoviello, Matteo, Carli, Diana, Ranieri, Carlotta, Pantaleo, Antonino, Buonuomo, Paola Sabrina, Bagnulo, Rosanna, Ferrero, Giovanni Battista, Bartuli, Andrea, Melis, Daniela, Maitz, Silvia, Loconte, Daria Carmela, Turchiano, Antonella, Piglionica, Marilidia, De Luisi, Annunziata, Susca, Francesco Claudio, Bukvic, Nenad, Forleo, Cinzia, Selicorni, Angelo, Zampino, Giuseppe, Onesimo, Roberta, Cappuccio, Gerarda, Garavelli, Livia, Novelli, Chiara, Memo, Luigi, Morando, Carla, Della Monica, Matteo, Accadia, Maria, Capurso, Martina, Piscopo, Carmelo, Cereda, Anna, Di Giacomo, Marilena Carmela, Saletti, Veronica, Spinelli, Alessandro Mauro, Lastella, Patrizia, Tenconi, Romano, Dvorakova, Veronika, Irvine, Alan D, and Resta, Nicoletta
Subjects: sequence analysis, DNA, sequence analysis, phenotype, genetic testing, genotype, molecular medicine, Genetics, DNA, Genetics (clinical)
Abstract: BackgroundPostzygotic activatingPIK3CAvariants cause several phenotypes within thePIK3CA-related overgrowth spectrum (PROS). Variant strength, mosaicism level, specific tissue involvement and overlapping disorders are responsible for disease heterogeneity. We explored these factors in 150 novel patients and in an expanded cohort of 1007PIK3CA-mutated patients, analysing our new data with previous literature to give a comprehensive picture.MethodsWe performed ultradeep targeted next-generation sequencing (NGS) on DNA from skin biopsy, buccal swab or blood using a panel including phosphatidylinositol 3-kinase/AKT/mammalian target of rapamycin pathway genes andGNAQ,GNA11,RASA1andTEK. Additionally, 914 patients previously reported were systematically reviewed.Results93 of our 150 patients hadPIK3CApathogenetic variants. The merged PROS cohort showed thatPIK3CAvariants span thorough all gene domains, some were exclusively associated with specific PROS phenotypes: weakly activating variants were associated with central nervous system (CNS) involvement, and strongly activating variants with extra-CNS phenotypes. Among the 57 with a wild-typePIK3CAallele, 11 patients with overgrowth and vascular malformations overlapping PROS had variants inGNAQ,GNA11,RASA1orTEK.ConclusionWe confirm that (1) molecular diagnostic yield increases when multiple tissues are tested and by enriching NGS panels with genes of overlapping ‘vascular’ phenotypes; (2) strongly activatingPIK3CAvariants are found in affected tissue, rarely in blood: conversely, weakly activating mutations more common in blood; (3) weakly activating variants correlate with CNS involvement, strong variants are more common in cases without; (4) patients with vascular malformations overlapping those of PROS can harbour variants in genes other thanPIK3CA.
Published: 2021

25. Variable Expressivity of the Beckwith-Wiedemann Syndrome in Four Pedigrees Segregating Loss-of-Function Variants of CDKN1C

Author: Angela Sparago, Livia Garavelli, Carmelo Piscopo, Francisco Cammarata-Scalisi, Andrea Riccio, Flavia Cerrato, Alessandra Vancini, Laura Pignata, Sparago, A., Cerrato, F., Pignata, L., Cammarata-Scalisi, F., Garavelli, L., Piscopo, C., Vancini, A., and Riccio, A.
Subjects: 0301 basic medicine, Adult, Male, Adolescent, media_common.quotation_subject, Nonsense mutation, Nonsense, Beckwith–Wiedemann syndrome, Case Report, 030105 genetics & heredity, Biology, QH426-470, Frameshift mutation, 03 medical and health sciences, Exomphalo, Loss of Function Mutation, medicine, Genetics, Missense mutation, exomphalos, Cyclin-Dependent Kinase Inhibitor p57, Genetics (clinical), Loss function, media_common, Loss-of-function mutation, medicine.disease, loss-of-function mutations, Pedigree, genomic imprinting, 030104 developmental biology, Phenotype, CDKN1C, Chromosomal region, Beckwith-Wiedemann syndrome, Female, Genomic imprinting, Human
Abstract: Beckwith-Wiedemann syndrome (BWS) is an imprinting disorder characterized by prenatal and/or postnatal overgrowth, organomegaly, abdominal wall defects and tumor predisposition. CDKN1C is a maternally expressed gene of the 11p15.5 chromosomal region and is regulated by the imprinting control region IC2. It negatively controls cellular proliferation, and its expression or activity are frequently reduced in BWS. In particular, loss of IC2 methylation is associated with CDKN1C silencing in the majority of sporadic BWS cases, and maternally inherited loss-of-function variants of CDKN1C are the most frequent molecular defects of familial BWS. We have identified, using Sanger sequencing, novel CDKN1C variants in three families with recurrent cases of BWS, and a previously reported variant in a woman with recurrent miscarriages with exomphalos. Clinical evaluation of the patients showed variable manifestation of the disease. The frameshift and nonsense variants were consistently associated with exomphalos, while the missense variant caused a less severe phenotype. Pregnancy loss and perinatal lethality were found in the families segregating nonsense mutations. Intrafamilial variability of the clinical BWS features was observed, even between siblings. Our data are indicative of severe BWS phenotypes that, with variable expressivity, may be associated with both frameshift and nonsense variants of CDKN1C.
Published: 2021
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26. SARS-CoV-2 susceptibility and COVID-19 disease severity are associated with genetic variants affecting gene expression in a variety of tissues

Author: Matteo D’Antonio, Jennifer P. Nguyen, Timothy D. Arthur, Hiroko Matsui, Agnieszka D’Antonio-Chronowska, Kelly A. Frazer, Benjamin M. Neale, Mark Daly, Andrea Ganna, Christine Stevens, Gita A. Pathak, Shea J. Andrews, Masahiro Kanai, Mattia Cordioli, Juha Karjalainen, Renato Polimanti, Matti Pirinen, Nadia Harerimana, Kumar Veerapen, Brooke Wolford, Huy Nguyen, Matthew Solomonson, Rachel G. Liao, Karolina Chwialkowska, Amy Trankiem, Mary K. Balaconis, Caroline Hayward, Anne Richmond, Archie Campbell, Marcela Morris, Chloe Fawns-Ritchie, Joseph T. Glessner, Douglas M. Shaw, Xiao Chang, Hannah Polikowski, Petty E. Lauren, Hung-Hsin Chen, Zhu Wanying, Hakon Hakonarson, David J. Porteous, Jennifer Below, Kari North, Joseph B. McCormick, Paul R.H.J. Timmers, James F. Wilson, Albert Tenesa, Kenton D’Mellow, Shona M. Kerr, Mari E.K. Niemi, Lindokuhle Nkambul, Kathrin Aprile von Hohenstaufen, Ali Sobh, Madonna M. Eltoukhy, Amr M. Yassen, Mohamed A.F. Hegazy, Kamal Okasha, Mohammed A. Eid, Hanteera S. Moahmed, Doaa Shahin, Yasser M. El-Sherbiny, Tamer A. Elhadidy, Mohamed S. Abd Elghafar, Jehan J. El-Jawhari, Attia A.S. Mohamed, Marwa H. Elnagdy, Amr Samir, Mahmoud Abdel-Aziz, Walid T. Khafaga, Walaa M. El-Lawaty, Mohamed S. Torky, Mohamed R. El-shanshory, Chiara Batini, Paul H. Lee, Nick Shrine, Alexander T. Williams, Martin D. Tobin, Anna L. Guyatt, Catherine John, Richard J. Packer, Altaf Ali, Robert C. Free, Xueyang Wang, Louise V. Wain, Edward J. Hollox, Laura D. Venn, Catherine E. Bee, Emma L. Adams, Ahmadreza Niavarani, Bahareh Sharififard, Rasoul Aliannejad, Ali Amirsavadkouhi, Zeinab Naderpour, Hengameh Ansari Tadi, Afshar Etemadi Aleagha, Saeideh Ahmadi, Seyed Behrooz Mohseni Moghaddam, Alireza Adamsara, Morteza Saeedi, Hamed Abdollahi, Abdolmajid Hosseini, Pajaree Chariyavilaskul, Monpat Chamnanphon, Thitima B. Suttichet, Vorasuk Shotelersuk, Monnat Pongpanich, Chureerat Phokaew, Wanna Chetruengchai, Watsamon Jantarabenjakul, Opass Putchareon, Pattama Torvorapanit, Thanyawee Puthanakit, Pintip Suchartlikitwong, Nattiya Hirankarn, Voraphoj Nilaratanakul, Pimpayao Sodsai, Ben M. Brumpton, Kristian Hveem, Cristen Willer, Wei Zhou, Tormod Rogne, Erik Solligard, Bjørn Olav Åsvold, Malak Abedalthagafi, Manal Alaamery, Saleh Alqahtani, Dona Baraka, Fawz Al Harthi, Ebtehal Alsolm, Leen Abu Safieh, Albandary M. Alowayn, Fatimah Alqubaishi, Amal Al Mutairi, Serghei Mangul, Abdulraheem Alshareef, Mona Sawaji, Mansour Almutairi, Nora Aljawini, Nour Albesher, Yaseen M. Arabi, Ebrahim S. Mahmoud, Amin K. Khattab, Roaa T. Halawani, Ziab Z. Alahmadey, Jehad K. Albakri, Walaa A. Felemban, Bandar A. Suliman, Rana Hasanato, Laila Al-Awdah, Jahad Alghamdi, Deema AlZahrani, Sameera AlJohani, Hani Al-Afghani, May Alrashed, Nouf AlDhawi, Hadeel AlBardis, Sarah Alkwai, Moneera Alswailm, Faisal Almalki, Maha Albeladi, Iman Almohammed, Eman Barhoush, Anoud Albader, Salam Massadeh, Abdulaziz AlMalik, Sara Alotaibi, Bader Alghamdi, Junghyun Jung, Mohammad S. Fawzy, Yunsung Lee, Per Magnus, Lill-Iren S. Trogstad, Øyvind Helgeland, Jennifer R. Harris, Massimo Mangino, Tim D. Spector, Duncan Emma, Sandra P. Smieszek, Bartlomiej P. Przychodzen, Christos Polymeropoulos, Vasilios Polymeropoulos, Mihael H. Polymeropoulos, Israel Fernandez-Cadenas, Jordi Perez-Tur, Laia Llucià-Carol, Natalia Cullell, Elena Muiño, Jara Cárcel-Márquez, Marta L. DeDiego, Lara Lloret Iglesias, Anna M. Planas, Alex Soriano, Veronica Rico, Daiana Agüero, Josep L. Bedini, Francisco Lozano, Carlos Domingo, Veronica Robles, Francisca Ruiz-Jaén, Leonardo Márquez, Juan Gomez, Eliecer Coto, Guillermo M. Albaiceta, Marta García-Clemente, David Dalmau, Maria J. Arranz, Beatriz Dietl, Alex Serra-Llovich, Pere Soler, Roger Colobrán, Andrea Martín-Nalda, Alba Parra Martínez, David Bernardo, Silvia Rojo, Aida Fiz-López, Elisa Arribas, Paloma de la Cal-Sabater, Tomás Segura, Esther González-Villa, Gemma Serrano-Heras, Joan Martí-Fàbregas, Elena Jiménez-Xarrié, Alicia de Felipe Mimbrera, Jaime Masjuan, Sebastian García-Madrona, Anna Domínguez-Mayoral, Joan Montaner Villalonga, Paloma Menéndez-Valladares, Daniel I. Chasman, Julie E. Buring, Paul M. Ridker, Giulianini Franco, Howard D. Sesso, JoAnn E. Manson, Joseph R. Glessner, Carolina Medina-Gomez, Andre G. Uitterlinden, M. Arfan Ikram, Kati Kristiansson, Sami Koskelainen, Markus Perola, Kati Donner, Katja Kivinen, Aarno Palotie, Samuli Ripatti, Sanni Ruotsalainen, Mari Kaunisto, null FinnGen, Tomoko Nakanishi, Guillaume Butler-Laporte, Vincenzo Forgetta, David R. Morrison, Biswarup Ghosh, Laetitia Laurent, Alexandre Belisle, Danielle Henry, Tala Abdullah, Olumide Adeleye, Noor Mamlouk, Nofar Kimchi, Zaman Afrasiabi, Nardin Rezk Branka Vulesevic, Meriem Bouab, Charlotte Guzman, Louis Petitjean, Chris Tselios, Xiaoqing Xue, Erwin Schurr, Jonathan Afilalo, Marc Afilalo, Maureen Oliveira, Bluma Brenner, Pierre Lepage, Jiannis Ragoussis, Daniel Auld, Nathalie Brassard, Madeleine Durand, Michaël Chassé, Daniel E. Kaufmann, G. Mark Lathrop, Vincent Mooser, J. Brent Richards, Rui Li, Darin Adra, Souad Rahmouni, Michel Georges, Michel Moutschen, Benoit Misset, Gilles Darcis, Julien Guiot, Julien Guntz, Samira Azarzar, Stéphanie Gofflot, Yves Beguin, Sabine Claassen, Olivier Malaise, Pascale Huynen, Christelle Meuris, Marie Thys, Jessica Jacques, Philippe Léonard, Frederic Frippiat, Jean-Baptiste Giot, Anne-Sophie Sauvage, Christian Von Frenckell, Yasmine Belhaj, Bernard Lambermont, Sara Pigazzini, Lindokuhle Nkambule, Michelle Daya, Jonathan Shortt, Nicholas Rafaels, Stephen J. Wicks, Kristy Crooks, Kathleen C. Barnes, Christopher R. Gignoux, Sameer Chavan, Triin Laisk, Kristi Läll, Maarja Lepamets, Reedik Mägi, Tõnu Esko, Ene Reimann, Lili Milani, Helene Alavere, Kristjan Metsalu, Mairo Puusepp, Andres Metspalu, Paul Naaber, Edward Laane, Jaana Pesukova, Pärt Peterson, Kai Kisand, Jekaterina Tabri, Raili Allos, Kati Hensen, Joel Starkopf, Inge Ringmets, Anu Tamm, Anne Kallaste, Pierre-Yves Bochud, Carlo Rivolta, Stéphanie Bibert, Mathieu Quinodoz, Dhryata Kamdar, Noémie Boillat, Semira Gonseth Nussle, Werner Albrich, Noémie Suh, Dionysios Neofytos, Véronique Erard, Cathy Voide, null FHoGID, null RegCOVID, null P-PredictUs, null SeroCOVID, null CRiPSI, Rafael de Cid, Iván Galván-Femenía, Natalia Blay, Anna Carreras, Beatriz Cortés, Xavier Farré, Lauro Sumoy, Victor Moreno, Josep Maria Mercader, Marta Guindo-Martinez, David Torrents, Manolis Kogevinas, Judith Garcia-Aymerich, Gemma Castaño-Vinyals, Carlota Dobaño, Alessandra Renieri, Francesca Mari, Chiara Fallerini, Sergio Daga, Elisa Benetti, Margherita Baldassarri, Francesca Fava, Elisa Frullanti, Floriana Valentino, Gabriella Doddato, Annarita Giliberti, Rossella Tita, Sara Amitrano, Mirella Bruttini, Susanna Croci, Ilaria Meloni, Maria Antonietta Mencarelli, Caterina Lo Rizzo, Anna Maria Pinto, Giada Beligni, Andrea Tommasi, Laura Di Sarno, Maria Palmieri, Miriam Lucia Carriero, Diana Alaverdian, Stefano Busani, Raffaele Bruno, Marco Vecchia, Mary Ann Belli, Nicola Picchiotti, Maurizio Sanarico, Marco Gori, Simone Furini, Stefania Mantovani, Serena Ludovisi, Mario Umberto Mondelli, Francesco Castelli, Eugenia Quiros-Roldan, Melania Degli Antoni, Isabella Zanella, Massimo Vaghi, Stefano Rusconi, Matteo Siano, Francesca Montagnani, Arianna Emiliozzi, Massimiliano Fabbiani, Barbara Rossetti, Elena Bargagli, Laura Bergantini, Miriana D’Alessandro, Paolo Cameli, David Bennett, Federico Anedda, Simona Marcantonio, Sabino Scolletta, Federico Franchi, Maria Antonietta Mazzei, Susanna Guerrini, Edoardo Conticini, Luca Cantarini, Bruno Frediani, Danilo Tacconi, Chiara Spertilli, Marco Feri, Alice Donati, Raffaele Scala, Luca Guidelli, Genni Spargi, Marta Corridi, Cesira Nencioni, Leonardo Croci, Maria Bandini, Gian Piero Caldarelli, Paolo Piacentini, Elena Desanctis, Silvia Cappelli, Anna Canaccini, Agnese Verzuri, Valentina Anemoli, Agostino Ognibene, Alessandro Pancrazzi, Maria Lorubbio, Antonella D’Arminio Monforte, Federica Gaia Miraglia, Massimo Girardis, Sophie Venturelli, Andrea Cossarizza, Andrea Antinori, Alessandra Vergori, Arianna Gabrieli, Agostino Riva, Daniela Francisci, Elisabetta Schiaroli, Francesco Paciosi, Pier Giorgio Scotton, Francesca Andretta, Sandro Panese, Renzo Scaggiante, Francesca Gatti, Saverio Giuseppe Parisi, Stefano Baratti, Matteo Della Monica, Carmelo Piscopo, Mario Capasso, Roberta Russo, Immacolata Andolfo, Achille Iolascon, Giuseppe Fiorentino, Massimo Carella, Marco Castori, Giuseppe Merla, Gabriella Maria Squeo, Filippo Aucella, Pamela Raggi, Carmen Marciano, Rita Perna, Matteo Bassetti, Antonio Di Biagio, Maurizio Sanguinetti, Luca Masucci, Serafina Valente, Marco Mandalà, Alessia Giorli, Lorenzo Salerni, Patrizia Zucchi, Pierpaolo Parravicini, Elisabetta Menatti, Tullio Trotta, Ferdinando Giannattasio, Gabriella Coiro, Fabio Lena, Domenico A. Coviello, Cristina Mussini, Enrico Martinelli, Sandro Mancarella, Luisa Tavecchia, Lia Crotti, Chiara Gabbi, Marco Rizzi, Franco Maggiolo, Diego Ripamonti, Tiziana Bachetti, Maria Teresa La Rovere, Simona Sarzi-Braga, Maurizio Bussotti, Stefano Ceri, Pietro Pinoli, Francesco Raimondi, Filippo Biscarini, Alessandra Stella, Kristina Zguro, Katia Capitani, Claudia Suardi, Simona Dei, Gianfranco Parati, Sabrina Ravaglia, Rosangela Artuso, Giordano Bottà, Paolo Di Domenico, Ilaria Rancan, Antonio Perrella Francesco Bianchi, Davide Romani, Paola Bergomi, Emanuele Catena, Riccardo Colombo, Marco Tanfoni, Antonella Vincenti, Claudio Ferri, Davide Grassi, Gloria Pessina, Mario Tumbarello, Massimo Di Pietro, Ravaglia Sabrina, Sauro Luchi, Chiara Barbieri, Donatella Acquilini, Elena Andreucci, Francesco Vladimiro Segala, Giusy Tiseo, Marco Falcone, Mirjam Lista, Monica Poscente, Oreste De Vivo, Paola Petrocelli, Alessandra Guarnaccia, Silvia Baroni, Albert V. Smith, Andrew P. Boughton, Kevin W. Li, Jonathon LeFaive, Aubrey Annis, Anne E. Justice, Tooraj Mirshahi, Geetha Chittoor, Navya Shilpa Josyula, Jack A. Kosmicki, Manuel A.R. Ferreira, Joseph B. Leader, Dave J. Carey, Matthew C. Gass, Julie E. Horowitz, Michael N. Cantor, Ashish Yadav, Aris Baras, Goncalo R. Abecasis, David A. van Heel, Karen A. Hunt, Dan Mason, Qin Qin Huang, Sarah Finer, null Genes & Health Research Team, Bhavi Trivedi, Christopher J. Griffiths, Hilary C. Martin, John Wright, Richard C. Trembath, Nicole Soranzo, Jing Hua Zhao, Adam S. Butterworth, John Danesh, Emanuele Di Angelantonio, Lude Franke Marike Boezen, Patrick Deelen, Annique Claringbould, Esteban Lopera, Robert Warmerdam, Judith.M. Vonk, Irene van Blokland, Pauline Lanting, Anil P.S. Ori, Brooke Wolford Sebastian Zöllner, Jiongming Wang, Andrew Beck, Gina Peloso, Yuk-Lam Ho, Yan V. Sun, Jennifer E. Huffman, Christopher J. O’Donnell, Kelly Cho, Phil Tsao, J. Michael Gaziano, Michel (M.G.) Nivard, Eco (E.J.C.) de geus, Meike Bartels, Jouke Jan Hottenga, Scott T. Weiss, Elizabeth W. Karlson, Jordan W. Smoller, Robert C. Green, Yen-Chen Anne Feng, Josep Mercader, Shawn N. Murphy, James B. Meigs, Ann E. Woolley, Emma F. Perez, Daniel Rader, Anurag Verma, Marylyn D. Ritchie, Binglan Li, Shefali S. Verma, Anastasia Lucas, Yuki Bradford, Hugo Zeberg, Robert Frithiof, Michael Hultström, Miklos Lipcsey, Lindo Nkambul, Nicolas Tardif, Olav Rooyackers, Jonathan Grip, Tomislav Maricic, Konrad J. Karczewski, Elizabeth G. Atkinson, Kristin Tsuo, Nikolas Baya, Patrick Turley, Rahul Gupta, Shawneequa Callier, Raymond K. Walters, Duncan S. Palmer, Gopal Sarma, Nathan Cheng, Wenhan Lu, Sam Bryant, Claire Churchhouse, Caroline Cusick, Jacqueline I. Goldstein, Daniel King, Cotton Seed, Hilary Finucane, Alicia R. Martin, F. Kyle Satterstrom, Daniel J. Wilson, Jacob Armstrong, Justine K. Rudkin, Gavin Band, Sarah G. Earle, Shang-Kuan Lin, Nicolas Arning, Derrick W. Crook, David H. Wyllie, Anne Marie O’Connell, Chris C.A. Spencer, Nils Koelling, Mark J. Caulfield, Richard H. Scott, Tom Fowler, Loukas Moutsianas, Athanasios Kousathanas, Dorota Pasko, Susan Walker, Augusto Rendon, Alex Stuckey, Christopher A. Odhams, Daniel Rhodes, Georgia Chan, Prabhu Arumugam, Catherine A. Ball, Eurie L. Hong, Kristin Rand, Ahna Girshick, Harendra Guturu, Asher Haug Baltzell, Genevieve Roberts, Danny Park, Marie Coignet, Shannon McCurdy, Spencer Knight, Raghavendran Partha, Brooke Rhead, Miao Zhang, Nathan Berkowitz, Michael Gaddis, Keith Noto, Luong Ruiz, Milos Pavlovic, Laura G. Sloofman, Alexander W. Charney, Noam D. Beckmann, Eric E. Schadt, Daniel M. Jordan, Ryan C. Thompson, Kyle Gettler, Noura S. Abul-Husn, Steven Ascolillo, Joseph D. Buxbaum, Kumardeep Chaudhary, Judy H. Cho, Yuval Itan, Eimear E. Kenny, Gillian M. Belbin, Stuart C. Sealfon, Robert P. Sebra, Irene Salib, Brett L. Collins, Tess Levy, Bari Britvan, Katherine Keller, Lara Tang, Michael Peruggia, Liam L. Hiester, Kristi Niblo, Alexandra Aksentijevich, Alexander Labkowsky, Avromie Karp, Menachem Zlatopolsky, Michael Preuss, Ruth J.F. Loos, Girish N. Nadkarni, Ron Do, Clive Hoggart, Sam Choi, Slayton J. Underwood, Paul O’Reilly, Laura M. Huckins, Marissa Zyndorf, AII - Infectious diseases, Amsterdam Neuroscience - Neuroinfection & -inflammation, and Neurology
Subjects: Medical Physiology, Gene Expression, Genome-wide association study, Genome, Severity of Illness Index, colocalization, Gene expression, Databases, Genetic, Ethnicity, 2.1 Biological and endogenous factors, GWAS, Aetiology, Biology (General), Lung, Genetics, Chromosome Mapping, Single Nucleotide, Organ Specificity, Biotechnology, Cell type, QH301-705.5, Quantitative Trait Loci, Single-nucleotide polymorphism, Biology, eQTL, Polymorphism, Single Nucleotide, Article, General Biochemistry, Genetics and Molecular Biology, Databases, Genetic, SNP, Humans, Genetic Predisposition to Disease, COVID-19 Host Genetics Initiative, Polymorphism, Gene, COVID-19, SARS-CoV-2, Gene Expression Profiling, Prevention, Human Genome, Computational Biology, Genetic Variation, Good Health and Well Being, Expression quantitative trait loci, Biochemistry and Cell Biology, Transcriptome, Genome-Wide Association Study
Abstract: Variability in SARS-CoV-2 susceptibility and COVID-19 disease severity between individuals is partly due to genetic factors. Here, we identify 4 genomic loci with suggestive associations for SARS-CoV-2 susceptibility and 19 for COVID-19 disease severity. Four of these 23 loci likely have an ethnicity-specific component. Genome-wide association study (GWAS) signals in 11 loci colocalize with expression quantitative trait loci (eQTLs) associated with the expression of 20 genes in 62 tissues/cell types (range: 1:43 tissues/gene), including lung, brain, heart, muscle, and skin as well as the digestive system and immune system. We perform genetic fine mapping to compute 99% credible SNP sets, which identify 10 GWAS loci that have eight or fewer SNPs in the credible set, including three loci with one single likely causal SNP. Our study suggests that the diverse symptoms and disease severity of COVID-19 observed between individuals is associated with variants across the genome, affecting gene expression levels in a wide variety of tissue types., Graphical abstract, D’Antonio et al. characterize associations between GWAS signals for COVID-19 disease and eQTLs in 69 human tissues to identify causal variants and their underlying molecular mechanisms. They show that diverse symptoms and disease severity of COVID-19 are associated with variants affecting gene expression in a wide variety of tissues.
Published: 2022
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27. Author response: Association of Toll-like receptor 7 variants with life-threatening COVID-19 disease in males: findings from a nested case-control study

Author: Diego Ripamonti, Sandro Panese, Agnese Verzuri, Giancarlo Bosio, Francesco Castelli, Leonardo Croci, Maurizio Spagnesi, Sergio Daga, Massimiliano Fabbiani, Barbara Rossetti, Silvia Cappelli, Giada Beligni, Gabriella Coiro, Antonio Di Biagio, Domenico A Coviello, Massimo Girardis, Pamela Raggi, Roberta Russo, Federico Franchi, Matteo Bassetti, Stefano Baratti, Gianfranco Parati, Francesca Montagnani, Marco Rizzi, Eugenia Quiros-Roldan, Francesca Fava, Tiziana Bachetti, Agostino Riva, Filippo Aucella, Francesca Gatti, Anna Canaccini, Anna Maria Pinto, Sandro Mancarella, Alessandra Renieri, Arianna Gabrieli, Mario Chiariello, Rossella Tita, Luca Guidelli, Sophie Venturelli, Ilaria Meloni, Luisa Tavecchia, Marta Corridi, Susanna Croci, Francesca Mari, Pierpaolo Parravicini, Andrea Tommasi, Carmelo Piscopo, Tullio Trotta, Miriana d'Alessandro, Maria Antonietta Mencarelli, Cristina Mussini, Simone Furini, Alessandra Vergori, Gen-Covid Multicenter Study, Margherita Baldassarri, Daniela Francisci, Giuseppe Fiorentino, Simona Sarzi-Braga, Mirella Bruttini, Sabino Scolletta, Mario Capasso, Melania Degli Antoni, Serafina Valente, Alice Donati, Maria Antonietta Mazzei, Maurizio Bussotti, Chiara Fallerini, Laura Di Sarno, Federico Anedda, Davide Romani, Katia Capitani, Gian Piero Caldarelli, Elisa Frullanti, Caterina Lo Rizzo, Bruno Frediani, Marco Castori, Arianna Emiliozzi, Andrea Cossarizza, Elena Desanctis, Luca Cantarini, Cesira Nencioni, Ottavia Spiga, Fabio Lena, Isabella Zanella, Genni Spargi, Francesco Paciosi, Pier Giorgio Scotton, Simona Dei, Marco Mandalà, Giacomo Zanelli, Alessia Giorli, Elena Bargagli, Maria Palmieri, Stefano Rusconi, Laura Bergantini, Ferdinando Giannattasio, David Bennett, Carmen Marciano, Chiara Spertilli, Maria Bandini, Serena Ludovisi, Enrico Martinelli, Edoardo Conticini, Valentina Anemoli, Nicola Iuso, Elisa Benetti, Matteo Siano, Achille Iolascon, Danilo Tacconi, Mario U. Mondelli, Sara Amitrano, Raffaele Scala, Paolo Piacentini, Lia Crotti, Maria Teresa La Rovere, Nicola Picchiotti, Patrizia Zucchi, Elisabetta Schiaroli, Immacolata Andolfo, Francesca Andretta, Gabriella Doddato, Annarita Giliberti, Stefano Busani, Simona Marcantonio, Antonella d'Arminio Monforte, Mary Ann Belli, Luca Masucci, Rita Perna, Chiara Gabbi, Gabriella Maria Squeo, Franco Maggiolo, Marco Feri, Susanna Guerrini, Paolo Cameli, Elisabetta Menatti, Maurizio Sanguinetti, Andrea Antinori, Lorenzo Salerni, Saverio Giuseppe Parisi, Stefania Mantovani, Floriana Valentino, Federica Gaia Miraglia, Agostino Ognibene, Marco Gori, Renzo Scaggiante, Matteo Della Monica, Giuseppe Merla, Massimo Vaghi, and Massimo Carella
Subjects: Toll-like receptor, Coronavirus disease 2019 (COVID-19), business.industry, Association (object-oriented programming), Nested case-control study, Immunology, Medicine, Disease, business
Published: 2021
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28. Common Variants at 21q22.3 Locus Influence MX1 Gene Expression and Susceptibility to Severe COVID-19

Author: Giuseppe Servillo, Carmelo Piscopo, Gian Marco Cassese, Mario Capasso, Pellegrino Cerino, Biancamaria Pierri, Roberta Russo, Ivan Gentile, Sueva Cantalupo, Alessandro Vito Lasorsa, Immacolata Andolfo, Carlo Buonerba, Romolo Villani, Massimo Zollo, Gabriella Esposito, Pasquale Abete, Giuseppe Fiorentino, Achille Iolascon, Ferdinando Bonfiglio, Barbara Eleni Rosato, and Giulia Frisso
Subjects: Genetics, Genetic genealogy, Locus (genetics), Single-nucleotide polymorphism, Disease, Allele, Biology, Chromosome 21, Genetic analysis, Gene
Abstract: The COVID-19 disease, caused by the SARS-Cov-2, presents a heterogeneous clinical spectrum. The risk factors do not fully explain the wide spectrum of disease manifestations, so it is possible that genetic factors could account for novel insights into its pathogenesis. In our previous study, we hypothesized that common variants on chromosome 21, near TMPRSS2 and MX1 genes, may be genetic risk factors associated to the different clinical manifestations of COVID-19. Here, we performed an in-depth genetic analysis of chromosome 21 exploiting the genome-wide association study data including 6,406 individuals hospitalized for COVID-19 and 902,088 controls with European genetic ancestry from COVID-19 Host Genetics Initiative. We found that five single nucleotide polymorphisms (SNPs) within TMPRSS2 and near MX1 gene show suggestive associations (P≤1x10-5) with severe COVID-19. All five SNPs replicated the association in two independent cohorts of Asian subjects while two and one out of the 5 SNPs replicated in African and Italian populations, respectively (P≤0.05). The minor alleles of these five SNPs correlated with a reduced risk of developing severe COVID-19 and increased level of MX1 expression in blood. Our findings provide further evidence that host genetic factors can contribute to determine the different clinical presentations of COVID-19 and that MX1, an antiviral effector of type I and III interferon pathway, may be a potential therapeutic target.
Published: 2021
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29. Regulatory noncoding and predicted pathogenic coding variants of ccr5 predispose to severe covid-19

Author: Vito Alessandro Lasorsa, Biancamaria Pierri, Barbara Eleni Rosato, Giulia Frisso, Giuseppe Russo, Matteo Della Monica, Roberta Russo, Pellegrino Cerino, Giuseppe Servillo, Giuseppe D'Alterio, Sueva Cantalupo, Gian Marco Cassese, Mario Capasso, Massimo Zollo, Pasquale Abete, Carlo Buonerba, Ivan Gentile, Immacolata Andolfo, Carmelo Piscopo, Giuseppe Fiorentino, Achille Iolascon, Cantalupo, S., Lasorsa, V. A., Russo, R., Andolfo, I., D'Alterio, G., Rosato, B. E., Frisso, G., Abete, P., Cassese, G. M., Servillo, G., Gentile, I., Piscopo, C., Monica, M. D., Fiorentino, G., Russo, G., Cerino, P., Buonerba, C., Pierri, B., Zollo, M., Iolascon, A., and Capasso, M.
Subjects: Genotype, Receptors, CCR5, QH301-705.5, SNP, Single-nucleotide polymorphism, Locus (genetics), Genome-wide association study, Bronchi, Biology, Polymorphism, Single Nucleotide, Catalysis, Article, Inorganic Chemistry, Cohort Studies, CCR5, Exome Sequencing, Databases, Genetic, Humans, GWAS, Chromosomes, Human, Genetic Predisposition to Disease, Physical and Theoretical Chemistry, Allele, Biology (General), Molecular Biology, Gene, QD1-999, Lung, Spectroscopy, Exome sequencing, Alleles, Genetic association, Genetics, SARS-CoV-2, Organic Chemistry, Whole exome sequencing, COVID-19, Computational Biology, General Medicine, Computer Science Applications, Chemistry, Cohort Studie, Genome-Wide Association Study, Human
Abstract: Genome-wide association studies (GWAS) found locus 3p21.31 associated with severe COVID-19. CCR5 resides at the same locus and, given its known biological role in other infection diseases, we investigated if common noncoding and rare coding variants, affecting CCR5, can predispose to severe COVID-19. We combined single nucleotide polymorphisms (SNPs) that met the suggestive significance level (P ≤ 1 × 10−5) at the 3p21.31 locus in public GWAS datasets (6406 COVID-19 hospitalized patients and 902,088 controls) with gene expression data from 208 lung tissues, Hi-C, and Chip-seq data. Through whole exome sequencing (WES), we explored rare coding variants in 147 severe COVID-19 patients. We identified three SNPs (rs9845542, rs12639314, and rs35951367) associated with severe COVID-19 whose risk alleles correlated with low CCR5 expression in lung tissues. The rs35951367 resided in a CTFC binding site that interacts with CCR5 gene in lung tissues and was confirmed to be associated with severe COVID-19 in two independent datasets. We also identified a rare coding variant (rs34418657) associated with the risk of developing severe COVID-19. Our results suggest a biological role of CCR5 in the progression of COVID-19 as common and rare genetic variants can increase the risk of developing severe COVID-19 by affecting the functions of CCR5.
Published: 2021

30. The tnfrsf13c h159y variant is associated with severe covid-19: A retrospective study of 500 patients from southern italy

Author: Gian Marco Cassese, Mario Capasso, Giuseppe Fiorentino, Achille Iolascon, Immacolata Andolfo, Gabriella Esposito, Giuseppe Servillo, Biancamaria Pierri, Vito Alessandro Lasorsa, Pellegrino Cerino, Matteo Della Monica, Massimo Zollo, Pasquale Abete, Roberta Marra, Carmelo Piscopo, Ivan Gentile, Carlo Buonerba, Roberta Russo, Giulia Frisso, Sueva Cantalupo, Giuseppe Russo, Russo, R., Andolfo, I., Lasorsa, V. A., Cantalupo, S., Marra, R., Frisso, G., Abete, P., Cassese, G. M., Servillo, G., Esposito, G., Gentile, I., Piscopo, C., Della Monica, M., Fiorentino, G., Russo, G., Cerino, P., Buonerba, C., Pierri, B., Zollo, M., Iolascon, A., and Capasso, M.
Subjects: 0301 basic medicine, Male, macromolecular substances, QH426-470, Asymptomatic, Polymorphism, Single Nucleotide, Severity of Illness Index, 03 medical and health sciences, 0302 clinical medicine, Gene Frequency, Severity of illness, Genetics, TNFRSF13C, Medicine, Humans, Gene, Allele frequency, Genetics (clinical), Exome sequencing, Retrospective Studies, business.industry, SARS-CoV-2, Communication, Point mutation, CVID, COVID-19, Retrospective cohort study, Middle Aged, Minor allele frequency, 030104 developmental biology, Italy, 030220 oncology & carcinogenesis, Whole-exome sequencing, Immunology, Female, medicine.symptom, SNP genotyping, business, B-Cell Activation Factor Receptor
Abstract: To identify host genetic determinants involved in humoral immunity and associated with the risk of developing severe COVID-19, we analyzed 500 SARS-CoV-2 positive subjects from Southern Italy. We examined the coding sequences of 10 common variable immunodeficiency-associated genes obtained by the whole-exome sequencing of 121 hospitalized patients. These 10 genes showed significant enrichment in predicted pathogenic point mutations in severe patients compared with the non-severe ones. Moreover, in the TNFRSF13C gene, the minor allele of the p.His159Tyr variant, which is known to increase NF-kB activation and B-cell production, was significantly more frequent in the 38 severe cases compared to both the 83 non-severe patients and the 375 asymptomatic subjects further genotyped. This finding identified a potential genetic risk factor of severe COVID-19 that not only may serve to unravel the mechanisms underlying the disease severity but, also, may contribute to build the rationale for individualized management based on B-cell therapy.
Published: 2021

31. Common variants at 21q22.3 locus influenceMX1gene expression and susceptibility to severe COVID-19

Author: Immacolata Andolfo, Roberta Russo, Alessandro Vito Lasorsa, Sueva Cantalupo, Barbara Eleni Rosato, Ferdinando Bonfiglio, Giulia Frisso, Abete Pasquale, Gian Marco Cassese, Giuseppe Servillo, Gabriella Esposito, Ivan Gentile, Carmelo Piscopo, Romolo Villani, Giuseppe Fiorentino, Pellegrino Cerino, Carlo Buonerba, Biancamaria Pierri, Massimo Zollo, Achille Iolascon, and Mario Capasso
Abstract: The COVID-19 disease, caused by the SARS-Cov-2, presents a heterogeneous clinical spectrum. The risk factors do not fully explain the wide spectrum of disease manifestations, so it is possible that genetic factors could account for novel insights into its pathogenesis.In our previous study, we hypothesized that common variants on chromosome 21, nearTMPRSS2andMX1genes, may be genetic risk factors associated to the different clinical manifestations of COVID-19. Here, we performed an in-depth genetic analysis of chromosome 21 exploiting the genome-wide association study data including 6,406 individuals hospitalized for COVID-19 and 902,088 controls with European genetic ancestry from COVID-19 Host Genetics Initiative. We found that five single nucleotide polymorphisms (SNPs) withinTMPRSS2and nearMX1gene show suggestive associations (P≤1×10−5) with severe COVID-19. All five SNPs replicated the association in two independent cohorts of Asian subjects while two and one out of the 5 SNPs replicated in African and Italian populations, respectively (P≤0.05). The minor alleles of these five SNPs correlated with a reduced risk of developing severe COVID-19 and increased level ofMX1expression in blood.Our findings provide further evidence that host genetic factors can contribute to determine the different clinical presentations of COVID-19 and that MX1, an antiviral effector of type I and III interferon pathway, may be a potential therapeutic target.
Published: 2020
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32. Genetic mechanisms of critical illness in COVID-19

Author: Pairo-Castineira, Erola, Clohisey, Sara, Klaric, Lucija, Bretherick, Andrew D, Rawlik, Konrad, Pasko, Dorota, Walker, Susan, Parkinson, Nick, Fourman, Max Head, Russell, Clark D, Furniss, James, Richmond, Anne, Gountouna, Elvina, Wrobel, Nicola, Harrison, David, Wang, Bo, Yang, Wu, Meynert, Alison, Griffiths, Fiona, Oosthuyzen, Wilna, Kousathanas, Athanasios, Moutsianas, Loukas, Yang, Zhijian, Zhai, Ranran, Zheng, Chenqing, Grimes, Graeme, Beale, Rupert, Millar, Jonathan, Shih, Barbara, Keating, Sean, Zechner, Marie, Haley, Chris, Porteous, David J, Hayward, Caroline, Yang, Jian, Knight, Julian, Summers, Charlotte, Shankar-Hari, Manu, Klenerman, Paul, Turtle, Lance, Antonia, Ho, Moore, Shona C, Hinds, Charles, Horby, Peter, Nichol, Alistair, Maslove, David, Ling, Lowell, Mcauley, Danny, Montgomery, Hugh, Walsh, Timothy, Pereira, Alexandre C, Renieri, Johnny, Millar, Alistair, Nichol, Tim, Walsh, Manu, Shankar-Hari, Chris, Ponting, Jen, Meikle, Paul, Finernan, Ellie, Mcmaster, Andy, Law, J Kenneth Baillie, Trevor, Paterson, Tony, Wackett, Ruth, Armstrong, Richard, Clark, Audrey, Coutts, Lorna, Donnelly, Tammy, Gilchrist, Katarzyna, Hafezi, Louise, Macgillivray, Alan, Maclean, Sarah, Mccafferty, Kirstie, Morrice, Jane, Weaver, Ceilia, Boz, Ailsa, Golightly, Mari, Ward, Hanning, Mal, Helen, Szoor-McElhinney, Adam, Brown, Ross, Hendry, Andrew, Stenhouse, Louise, Cullum, Dawn, Law, Sarah, Law, Rachel, Law, Maaike, Swets, Nicky, Day, Filip, Taneski, Esther, Duncan, Nicholas, Parkinson, Collier, D, Wood, S, Zak, A, Borra, C, Matharu, M, May, P, Alldis, Z, Mitchelmore, O, Bowles, R, Easthope, A, Bibi, F, Lancoma-Malcolm, I, Gurasashvili, J, Pheby, J, Shiel, J, Bolton, M, Patel, M, Taylor, M, Zongo, O, Ebano, P, Harding, P, Astin-Chamberlain, R, Choudhury, Y, Cox, A, Kallon, D, Burton, M, Hall, R, Blowes, S, Prime, Z, Biddle, J, Prysyazhna, O, Newman, T, Tierney, C, Kassam, J, Shankar-Hari, M, Ostermann, M, Campos, S, Bociek, A, Lim, R, Grau, N, O Jones, T, Whitton, C, Marotti, M, Arbane, G, Bonner, S, Hugill, K, Reid, J, Welters, I, Waugh, V, Williams, K, Shaw, D, J Fernandez Roman, M Lopez Martinez, Johnson, E, Waite, A, Johnston, B, Hamilton, D, Mulla, S, Mcphail, M, Smith, J, K Baillie, J, Barclay, L, Hope, D, Mcculloch, C, Mcquillan, L, Clark, S, Singleton, J, Priestley, K, Rea, N, Callaghan, M, Campbell, R, Andrew, G, Marshall, L, Mckechnie, S, Hutton, P, Bashyal, A, Davidson, N, Summers, C, Polgarova, P, Stroud, K, Pathan, N, Elston, K, Agrawal, S, Battle, C, Newey, L, Rees, T, Harford, R, Brinkworth, E, Williams, M, Murphy, C, White, I, Croft, M, Bandla, N, Gellamucho, M, Tomlinson, J, Turner, H, Davies, M, Quinn, A, Hussain, I, Thompson, C, Parker, H, Bradley, R, Griffiths, R, Scriven, J, Nilsson, A, Bates, M, Dasgin, J, Gill, J, Puxty, A, Cathcart, S, Salutous, D, Turner, L, Duffy, K, Puxty, K, Joseph, A, Herdman-Grant, R, Simms, R, Swain, A, Naranjo, A, Crowe, R, Sollesta, K, Loveridge, A, Baptista, D, Morino, E, Davey, M, Golden, D, Jones, J, J Moreno Cuesta, Haldeos, A, Bakthavatsalam, D, Vincent, R, Elhassan, M, Xavier, K, Ganesan, A, Purohit, D, Abdelrazik, M, Morgan, J, Akeroyd, L, Bano, S, Lawton, T, Warren, D, Bromley, M, Sellick, K, Gurr, L, Wilkinson, B, Nagarajan, V, Szedlak, P, Cupitt, J, Stoddard, E, Benham, L, Preston, S, Laha, S, Slawson, N, Bradshaw, Z, Brown, J, Caswell, M, Melling, S, Bamford, P, Faulkner, M, Cawley, K, Jeffrey, H, London, E, Sainsbury, H, Nagra, I, Nasir, F, Dunmore, C, Jones, R, Abraheem, A, Al-Moasseb, M, Girach, R, Padden, G, Egan, J, Brantwood, C, Alexander, P, Bradley-Potts, J, Allen, S, Felton, T, Manna, S, Farnell-Ward, S, Leaver, S, Queiroz, J, Maccacari, E, Dawson, D, C Castro Delgado, R Pepermans Saluzzio, Ezeobu, O, Ding, L, Sicat, C, Kanu, R, Durrant, G, Texeira, J, Harrison, A, Samakomva, T, Willis, H, Hopkins, B, Thrasyvoulou, L, Jackson, M, Zaki, A, Tibke, C, Bennett, S, Woodyatt, W, Kent, A, Goodwin, E, Brandwood, C, Clark, R, Smith, L, Rooney, K, Thomson, N, Rodden, N, Hughes, E, Mcglynn, D, Clark, C, Clark, P, Abel, L, Sundaram, R, Gemmell, L, Brett, M, Hornsby, J, Macgoey, P, Price, R, Digby, B, O'Neil, P, Mcconnell, P, Henderson, P, Henderson, S, Sim, M, Kennedy-Hay, S, Mcparland, C, Rooney, L, Baxter, N, Pogson, D, Rose, S, Daly, Z, Brimfield, L, K Phull, M, Hussain, M, Pogreban, T, Rosaroso, L, Salciute, E, Grauslyte, L, Brealey, D, Raith, E, Maccallum, N, Bercades, G, Hass, I, Smyth, D, Reyes, A, Martir, G, D Clement, I, Webster, K, Hays, C, Gulati, A, Hodgson, L, Margarson, M, Gomez, R, Baird, Y, Thirlwall, Y, Folkes, L, Butler, A, Meadows, E, Moore, S, Raynard, D, Fox, H, Riddles, L, King, K, Kimber, S, Hobden, G, Mccarthy, A, Cannons, V, Balagosa, I, Chadbourn, I, Gardner, A, Horner, D, Mclaughlanv, D, Charles, B, Proudfoot, N, Marsden, T, Mcmorrow, L, Blackledge, B, Pendlebury, J, Harvey, A, Apetri, E, Basikolo, C, Catlow, L, Doonan, R, Knowles, K, Lee, S, Lomas, D, Lyons, C, Perez, J, Poulaka, M, Slaughter, M, Slevin, K, Thomas, V, Walker, D, Harris, J, Drummond, A, Tully, R, Dearden, J, Philbin, J, Munt, S, Rishton, C, O'Connor, G, Mulcahy, M, Dobson, E, Cuttler, J, Edward, M, Norris, J, Hanson, K, Poole, A, Rose, A, Sloan, B, Buckley, S, Brooke, H, Smithson, E, Charlesworth, R, Sandhu, R, Thirumaran, M, Wagstaff, V, J Cebrian Suarez, Kaliappan, A, Vertue, M, Nicholson, A, Riches, J, Solesbury, A, Kittridge, L, Forsey, M, Maloney, G, Cole, J, Davies, R, Hill, H, Thomas, E, Williams, A, Duffin, D, Player, B, Radhakrishnan, J, Gibson, S, Lyle, A, Mcneela, F, Patel, B, Gummadi, M, Sloane, G, Dormand, N, Salmi, S, Farzad, Z, Cristiano, D, Liyanage, K, Thwaites, V, Varghese, M, Meredith, M, Mills, G, Willson, J, Harrington, K, Lenagh, B, Cawthron, K, Masuko, S, Raithatha, A, Bauchmuller, K, Wiles, M, Ahmad, N, Barker, J, Jackson, Y, Kibutu, F, Bird, S, Watson, G, Martin, J, Bevan, E, C Wrey Brown, Trodd, D, English, K, Bell, G, Wilcox, L, Katary, A, Gopal, S, Lake, V, Harris, N, Metherell, S, Radford, E, Moore, F, Bancroft, H, Daglish, J, Sangombe, M, Carmody, M, Rhodes, J, Bellamy, M, Garg, A, Kuravi, A, Virgilio, E, Ranga, P, Butler, J, Botfield, L, Dexter, C, Fletcher, J, Shanmugasundaram, P, Hambrook, G, Burn, I, Manso, K, Thornton, D, Tebbutt, J, Penn, R, Hulme, J, Hussain, S, Maqsood, Z, Joseph, S, Colley, J, Hayes, A, Ahmed, C, Haq, R, Clamp, S, Kumar, R, Purewal, M, Baines, B, Frise, M, Jacques, N, Coles, H, Caterson, J, S Gurung Rai, Brunton, M, Tilney, E, Keating, L, Walden, A, Antcliffe, D, Brett, S, Gordon, A, Templeton, M, Rojo, R, Banach, D, S Sousa Arias, Fernandez, Z, Coghlan, P, Williams, D, Jardine, C, Bewley, J, Sweet, K, Grimmer, L, Johnson, R, Garland, Z, Gumbrill, B, Phillips, C, L Ortiz-Ruiz de Gordoa, Peasgood, E, Tridente, A, Shuker, K, Greer, S, Lynch, C, Pothecary, C, Roche, L, Deacon, B, Turner, K, Singh, J, G Sera Howe, Paul, P, Gill, M, Wynter, I, Ratnam, V, Shelton, S, Naisbitt, J, Melville, J, Baruah, R, Morrison, S, Mcgregor, A, Parris, V, Mpelembue, M, Srikaran, S, Dennis, C, Sukha, A, Verlander, M, Holding, K, Riches, K, Downes, C, Swan, C, Rostron, A, Roy, A, Woods, L, Cornell, S, Wakinshaw, F, Creagh-Brown, B, Blackman, H, Salberg, A, Smith, E, Donlon, S, Mtuwa, S, Michalak-Glinska, N, Stone, S, Beazley, C, Pristopan, V, Nikitas, N, Lankester, L, Wells, C, S Raj, A, Fletcher, K, Khade, R, Tsinaslanidis, G, Macmahon, M, Fowler, S, Coventry, T, Stewart, R, Wren, L, Mwaura, E, Mew, L, Scaletta, D, Williams, F, Inweregbu, K, Lancaster, N, Cunningham, M, Daniels, A, Harrison, L, Hope, S, Jones, S, Crew, A, Wray, G, Matthews, J, Crawley, R, Carter, J, Birkinshaw, I, Ingham, J, Scott, Z, Pearson, H, Howard, K, Joy, R, Roche, S, Clark, M, Purvis, S, Morrison, A, Strachan, D, Clements, S, Black, K, Parmar, C, Altabaibeh, A, Simpson, K, Mostoles, L, Gilbert, K, L, Ma, Alvaro, A, Thomas, M, Faulkner, B, Worner, R, Hayes, K, Gendall, E, Blakemore, H, Borislavova, B, Goff, E, Vuylsteke, A, Mwaura, L, Zamikula, J, Garner, L, Mitchell, A, Mepham, S, Cagova, L, Fofano, A, Holcombe, H, Praman, K, Szakmany, T, E Heron, A, Cherian, S, Cutler, S, Roynon-Reed, A, Randell, G, Convery, K, Stammers, K, Fottrell-Gould, D, Hudig, L, Keshet-Price, J, Peters, M, O'Neill, L, Ray, S, Belfield, H, Mchugh, T, Jones, G, Akinkugbe, O, Tomas, A, Abaleke, E, Beech, E, Meghari, H, Yussuf, S, Bamford, A, Hairsine, B, Dooks, E, Farquhar, F, Packham, S, Bates, H, Armstrong, L, Kaye, C, Allan, A, Medhora, J, Liew, J, Botello, A, Anderson, F, Cusack, R, Golding, H, Prager, K, Williams, T, Leggett, S, Golder, K, Male, M, Jones, O, Criste, K, Marani, M, Anumakonda, V, Amin, V, Karthik, K, Kausar, R, Anastasescu, E, Reid, K, Smith, M, Hormis, A, Walker, R, Duncan, T, Uriel, A, Ustianowski, A, T-Michael, H, Bruce, M, Connolly, K, Smith, K, Partridge, R, Griffin, D, Mupudzi, M, Muchenje, N, Martin, D, Filipe, H, Eastgate, C, Jackson, C, Gratrix, A, Foster, L, Martinson, V, Stones, E, Caroline, Abernathy, Parkinson, P, Reed, A, Prendergast, C, Rogers, P, Woodruff, M, Shokkar, R, Kaul, S, Barron, A, Collins, C, Beavis, S, Whileman, A, Dale, K, Hawes, J, Pritchard, K, Gascoyne, R, Stevenson, L, Jha, R, Lim, L, Krishnamurthy, V, Parker, R, Turner-Bone, I, Wilding, L, Reddy, A, Whiteley, S, Wilby, E, Howcroft, C, Aspinwall, A, Charlton, S, Ogg, B, Menzies, D, Pugh, R, Allan, E, Lean, R, Davies, F, Easton, J, Qiu, X, Kumar, S, Darlington, K, Houston, G, O'Brien, P, Geary, T, Allan, J, Meikle, A, Hughes, G, Balasubramaniam, M, Latham, S, Mckenna, E, Flanagan, R, Sathe, S, Davies, E, Chablani, M, Kirkby, A, Netherton, K, Archer, S, Yates, B, Ashbrook-Raby, C, Cole, S, Casey, M, Cabrelli, L, Chapman, S, Hutcheon, A, Whyte, C, Almaden-Boyle, C, Pattison, N, Cruz, C, Vochin, A, Kent, H, Thomas, A, Murdoch, S, David, B, Penacerrada, M, Lubimbi, G, Bastion, V, Wulandari, R, Lorusso, R, Valentine, J, Clarke, D, Serrano-Ruiz, A, Hierons, S, Eckbad, C, Ramos, L, Demetriou, C, Mitchard, S, White, K, White, N, Pitts, S, Branney, D, Frankham, J, Watters, M, Langton, H, Prout, R, Page, V, Varghes, T, Cowton, A, Kay, A, Potts, K, Birt, M, Kent, M, Wilkinson, A, B Jude, E, Turner, V, Savill, H, Mccormick, J, Coulding, M, Siddiqui, S, Mercer, O, Rehman, H, Potla, D, Capps, N, Donaldson, D, Button, H, Martin, T, Hard, K, Agasou, A, Tonks, L, Arden, T, Boyle, P, Carnahan, M, Strickley, J, Adams, C, Childs, D, Rikunenko, R, Leigh, M, Breekes, M, Wilcox, R, Bowes, A, Tiveran, H, Hurford, F, Summers, J, Carter, A, Hussain, Y, Ting, L, Javaid, A, Motherwell, N, Moore, H, Millward, H, Jose, S, Schunki, N, Noakes, A, Clulow, C, Sadera, G, Jacob, R, Jones, C, Blunt, M, Coton, Z, Curgenven, H, S Mohamed Ally, Beaumont, K, Elsaadany, M, Fernandes, K, I Ali Mohamed Ali, Rangarajan, H, Sarathy, V, Selvanayagam, S, Vedage, D, White, M, Truman, N, Chukkambotla, S, Keith, S, Cockerill-Taylor, J, Ryan-Smith, J, Bolton, R, Springle, P, Dykes, J, Thomas, J, Khan, M, T Hijazi, M, Massey, E, Croston, G, Reschreiter, H, Camsooksai, J, Patch, S, 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S, Purewal, B, Bell, S, Rivers, V, O'Leary, R, Birch, J, Collins, E, Anderson, S, Hammerton, K, Andrews, E, Burns, K, Edmond, I, Todd, A, Donnachie, J, Turner, P, Prentice, L, Symon, L, Runciman, N, Auld, F, Halkes, M, Mercer, P, Thornton, L, Debreceni, G, Wilkins, J, Brown, A, Crickmore, V, Subramanian, G, Marshall, R, Jennings, C, Latif, M, Bunni, L, Spivey, M, Bean, S, Burt, K, Linnett, V, Ritzema, J, Sanderson, A, Mccormick, W, Bokhari, M, Kapoor, R, Loader, D, Ayers, A, Harrison, W, North, J, Belagodu, Z, Paramsothy, R, Olufuwa, O, Gherman, A, Fuller, B, Stuart, C, Kelsall, O, Davis, C, Wild, L, Wood, H, Thrush, J, Durie, A, Austin, K, Archer, K, Anderson, P, Vigurs, C, Thorpe, C, Knights, E, Boyle, N, Price, A, Kubisz-Pudelko, A, Wood, D, Lewis, A, Board, S, Pippard, L, Perry, J, Beesley, K, Rattray, A, Lee, E, Lennon, L, Douglas, K, Bell, D, Boyle, R, Glass, L, M Nauman Akhtar, Dent, K, Potoczna, D, Pearson, S, Horsley, E, Spencer, S, Mullan, D, Skinner, D, Gaylard, J, Barber, 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D, Anwar, B, Riley, H, Sturgeon, H, Ali, A, Thomis, L, Melia, D, Dance, A, Humphreys, S, Frost, I, Gopal, V, Godden, J, Holden, A, Swann, S, Smith, T, Clapham, M, Poultney, U, Harper, R, Rice, P, Reece-Anthony, R, Gurung, B, Moultrie, S, Odam, M, Mayer, A, Bellini, A, Pickard, A, Bryant, J, Roe, N, Sowter, J, Lang, K, Taylor, J, Barry, P, Hobrok, M, Tench, H, Wolf-Roberts, R, Mcguinness, H, Loosley, R, Hawcutt, D, Rad, L, O'Malley, L, Saunderson, P, Seddon, G, Anderson, T, Rogers, N, Ruddy, J, Harkins, M, Beith, C, Mcalpine, A, Ferguson, L, Grant, P, Macfadyen, S, Mclaughlin, M, Baird, T, Rundell, S, Welsh, B, Hamill, R, Fisher, F, Gregory, J, Campbell, A, Smuts, S, Gail, Carson, Beatrice, Alex, Benjamin, Bach, Wendy, S Barclay, Debby, Bogaert, Meera, Chand, Graham, S Cooke, Annemarie, B Docherty, Jake, Dunning, Ana da Silva Filipe, Tom, Fletcher, Christoper, A Green, Ewen, M Harrison, Julian, A Hiscox, Antonia Ying Wai Ho, Peter, W Horby, Samreen, Ijaz, Saye, Khoo, Paul, Klenerman, Wei Shen Lim, Alexander, J Mentzer, Laura, Merson, Alison, M Meynert, Mahdad, Noursadeghi, Shona, C Moore, Massimo, Palmarini, William, A Paxton, Georgios, Pollakis, Nicholas, Price, Andrew, Rambaut, David, L Robertson, Vanessa, Sancho-Shimizu, Janet, T Scott, Thushan de Silva, Louise, Sigfrid, Tom, Solomon, Shiranee, Sriskandan, David, Stuart, Richard, S Tedder, Emma, C Thomson, A Roger Thompson, A, Ryan, S Thwaites, Lance C, W Turtle, Maria, Zambon, Hayley, Hardwick, Chloe, Donohue, Ruth, Lyons, Lisa, Norman, Riinu, Pius, Thomas, M Drake, Cameron, J Fairfield, Stephen, R Knight, Kenneth, A Mclean, Derek, Murphy, Catherine, A Shaw, Dalton, Jo, Michelle, Girvan, Egle, Saviciute, Stephanie, Roberts, Janet, Harrison, Laura, Marsh, Marie, Connor, Sophie, Halpin, Clare, Jackson, Carrol, Gamble, Gary, Leeming, Murray, Wham, William, Greenhalf, Victoria, Shaw, Sara, Mcdonald, Seán, Keating, Andrea, Ganna, Patrick, Sulem, David, A van Heel, Mattia, Cordioli, Gardar, Sveinbjornsson, Mari E, K Niemi, Janie, F Shelton, Anjali, J Shastri, Chelsea, Ye, Catherine, H Weldon, Teresa, Filshtein-Sonmez, Daniella, Coker, Antony, Symons, Jorge, Esparza-Gordillo, Stella, Aslibekyan, Adam, Auton, Jose, E Krieger, Emmanuelle, Marques, Cinthia, E Jannes, Mari, Francesca, Daga, Sergio, Baldassarri, Margherita, Benetti, Elisa, Simone, Furini, Fallerini, Chiara, Fava, Francesca, Floriana, Valentino, Gabriella, Doddato, Annarita, Giliberti, Tita, Rossella, Amitrano, Sara, Bruttini, Mirella, Croci, Susanna, Meloni, Ilaria, Pinto, ANNA MARIA, Frullanti, Elisa, Mencarelli, MARIA ANTONIETTA, LO RIZZO, Caterina, Montagnani, Francesca, DI SARNO, Laura, Tommasi, Andrea, Palmieri, Maria, Emiliozzi, Arianna, Fabbiani, Massimiliano, Rossetti, Barbara, Zanelli, Giacomo, Bargagli, Elena, Bergantini, Laura, D'Alessandro, Miriana, Cameli, Paolo, David, Bennet, Anedda, Federico, Marcantonio, Simona, Scolletta, Sabino, Franchi, Federico, Mazzei, MARIA ANTONIETTA, Guerrini, Susanna, Conticini, Edoardo, Cantarini, Luca, Frediani, Bruno, Danilo, Tacconi, SPERTILLI RAFFAELLI, Chiara, Marco, Feri, Alice, Donati, Scala, Raffaele, Luca, Guidelli, Genni, Spargi, Marta, Corridi, Cesira, Nencioni, Croci, Leonardo, Gian Piero Caldarelli, Maurizio, Spagnesi, Paolo, Piacentini, Maria, Bandini, Elena, Desanctis, Cappelli, Silvia, Anna, Canaccini, Verzuri, Agnese, Valentina, Anemoli, Agostino, Ognibene, Massimo, Vaghi, Antonella D'Arminio Monforte, Esther, Merlini, Mario, U Mondelli, Stefania, Mantovani, Serena, Ludovisi, Massimo, Girardis, Sophie, Venturelli, Marco, Sita, Andrea, Cossarizza, Andrea, Antinori, Alessandra, Vergori, Stefano, Rusconi, Matteo, Siano, Arianna, Gabrieli, Agostino, Riva, Daniela, Francisci, Elisabetta, Schiaroli, Pier Giorgio Scotton, Francesca, Andretta, Sandro, Panese, Renzo, Scaggiante, Francesca, Gatti, Saverio Giuseppe Parisi, Francesco, Castelli, Maria Eugenia Quiros-Roldan, Paola, Magro, Isabella, Zanella, Matteo Della Monica, Carmelo, Piscopo, Mario, Capasso, Roberta, Russo, Immacolata, Andolfo, Achille, Iolascon, Giuseppe, Fiorentino, Massimo, Carella, Marco, Castori, Giuseppe, Merla, Filippo, Aucella, Pamela, Raggi, Carmen, Marciano, Rita, Perna, Matteo, Bassetti, Antonio Di Biagio, Maurizio, Sanguinetti, Luca, Masucci, Valente, Serafina, Marco, Mandalà, Giorli, Alessia, Salerni, Lorenzo, Patrizia, Zucchi, Pierpaolo, Parravicini, Elisabetta, Menatti, Stefano, Baratti, Tullio, Trotta, Ferdinando, Giannattasio, Gabriella, Coiro, Fabio, Lena, Domenico, A Coviello, Cristina, Mussini, Giancarlo, Bosio, Enrico, Martinelli, Sandro, Mancarella, Luisa, Tavecchia, Lia, Crotti, Nicola, Picchiotti, Marco, Gori, Chiara, Gabbi, Maurizio, Sanarico, Stefano, Ceri, Pietro, Pinoli, Francesco, Raimondi, Filippo, Biscarini, Alessandra, Stella, Alessandra, Shen, Xia, Ponting, Chris P, Fawkes, Angie, Tenesa, Albert, Caulfield, Mark, Scott, Richard, Rowan, Kathy, Murphy, Lee, Openshaw, Peter J M, Semple, Malcolm G, Law, Andrew, Vitart, Veronique, Wilson, James 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S., Fernandez, Z., Coghlan, P., Williams, D., Jardine, C., Bewley, J., Sweet, K., Grimmer, L., Johnson, R., Garland, Z., Gumbrill, B., Phillips, C., Ortiz-Ruiz de Gordoa, L., Peasgood, E., Tridente, A., Shuker, K., Greer, S., Lynch, C., Pothecary, C., Roche, L., Deacon, B., Turner, K., Singh, J., Howe, G. S., Paul, P., Gill, M., Wynter, I., Ratnam, V., Shelton, S., Naisbitt, J., Melville, J., Baruah, R., Morrison, S., Mcgregor, A., Parris, V., Mpelembue, M., Srikaran, S., Dennis, C., Sukha, A., Verlander, M., Holding, K., Riches, K., Downes, C., Swan, C., Rostron, A., Roy, A., Woods, L., Cornell, S., Wakinshaw, F., Creagh-Brown, B., Blackman, H., Salberg, A., Smith, E., Donlon, S., Mtuwa, S., Michalak-Glinska, N., Stone, S., Beazley, C., Pristopan, V., Nikitas, N., Lankester, L., Wells, C., Raj, A. S., Fletcher, K., Khade, R., Tsinaslanidis, G., Macmahon, M., Fowler, S., Coventry, T., Stewart, R., Wren, L., Mwaura, E., Mew, L., Scaletta, D., Williams, F., Inweregbu, K., Lancaster, N., Cunningham, M., Daniels, A., Harrison, L., Hope, S., Jones, S., Crew, A., Wray, G., Matthews, J., Crawley, R., Carter, J., Birkinshaw, I., Ingham, J., Scott, Z., Pearson, H., Howard, K., Joy, R., Roche, S., Clark, M., Purvis, S., Morrison, A., Strachan, D., Clements, S., Black, K., Parmar, C., Altabaibeh, A., Simpson, K., Mostoles, L., Gilbert, K., Ma, L., Alvaro, A., Thomas, M., Faulkner, B., Worner, R., Hayes, K., Gendall, E., Blakemore, H., Borislavova, B., Goff, E., Vuylsteke, A., Mwaura, L., Zamikula, J., Garner, L., Mitchell, A., Mepham, S., Cagova, L., Fofano, A., Holcombe, H., Praman, K., Szakmany, T., Heron, A. E., Cherian, S., Cutler, S., Roynon-Reed, A., Randell, G., Convery, K., Stammers, K., Fottrell-Gould, D., Hudig, L., Keshet-Price, J., Peters, M., O'Neill, L., Ray, S., Belfield, H., Mchugh, T., Jones, G., Akinkugbe, O., Tomas, A., Abaleke, E., Beech, E., Meghari, H., Yussuf, S., Bamford, A., Hairsine, B., Dooks, E., Farquhar, F., Packham, S., Bates, H., Armstrong, L., Kaye, C., Allan, A., Medhora, J., Liew, J., Botello, A., Anderson, F., Cusack, R., Golding, H., Prager, K., Williams, T., Leggett, S., Golder, K., Male, M., Jones, O., Criste, K., Marani, M., Anumakonda, V., Amin, V., Karthik, K., Kausar, R., Anastasescu, E., Reid, K., Smith, M., Hormis, A., Walker, R., Duncan, T., Uriel, A., Ustianowski, A., T-Michael, H., Bruce, M., Connolly, K., Smith, K., Partridge, R., Griffin, D., Mupudzi, M., Muchenje, N., Martin, D., Filipe, H., Eastgate, C., Jackson, C., Gratrix, A., Foster, L., Martinson, V., Stones, E., Abernathy, C., Parkinson, P., Reed, A., Prendergast, C., Rogers, P., Woodruff, M., Shokkar, R., Kaul, S., Barron, A., Collins, C., Beavis, S., Whileman, A., Dale, K., Hawes, J., Pritchard, K., Gascoyne, R., Stevenson, L., Jha, R., Lim, L., Krishnamurthy, V., Parker, R., Turner-Bone, I., Wilding, L., Reddy, A., Whiteley, S., Wilby, E., Howcroft, C., Aspinwall, A., Charlton, S., Ogg, B., Menzies, D., Pugh, R., Allan, E., Lean, R., Davies, F., Easton, J., Qiu, X., Kumar, S., Darlington, K., Houston, G., O'Brien, P., Geary, T., Allan, J., Meikle, A., Hughes, G., Balasubramaniam, M., Latham, S., Mckenna, E., Flanagan, R., Sathe, S., Davies, E., Chablani, M., Kirkby, A., Netherton, K., Archer, S., Yates, B., Ashbrook-Raby, C., Cole, S., Casey, M., Cabrelli, L., Chapman, S., Hutcheon, A., Whyte, C., Almaden-Boyle, C., Pattison, N., Cruz, C., Vochin, A., Kent, H., Thomas, A., Murdoch, S., David, B., Penacerrada, M., Lubimbi, G., Bastion, V., Wulandari, R., Lorusso, R., Valentine, J., Clarke, D., Serrano-Ruiz, A., Hierons, S., Eckbad, C., Ramos, L., Demetriou, C., Mitchard, S., White, K., White, N., Pitts, S., Branney, D., Frankham, J., Watters, M., Langton, H., Prout, R., Page, V., Varghes, T., Cowton, A., Kay, A., Potts, K., Birt, M., Kent, M., Wilkinson, A., Jude, E. B., Turner, V., Savill, H., Mccormick, J., Coulding, M., Siddiqui, S., Mercer, O., Rehman, H., Potla, D., Capps, N., Donaldson, D., Button, H., Martin, T., Hard, K., Agasou, A., Tonks, L., Arden, T., Boyle, P., Carnahan, M., Strickley, J., Adams, C., Childs, D., Rikunenko, R., Leigh, M., Breekes, M., Wilcox, R., Bowes, A., Tiveran, H., Hurford, F., Summers, J., Carter, A., Hussain, Y., Ting, L., Javaid, A., Motherwell, N., Moore, H., Millward, H., Jose, S., Schunki, N., Noakes, A., Clulow, C., Sadera, G., Jacob, R., Jones, C., Blunt, M., Coton, Z., Curgenven, H., Ally, S. M., Beaumont, K., Elsaadany, M., Fernandes, K., Ali Mohamed Ali, I., Rangarajan, H., Sarathy, V., Selvanayagam, S., Vedage, D., White, M., Truman, N., Chukkambotla, S., Keith, S., Cockerill-Taylor, J., Ryan-Smith, J., Bolton, R., Springle, P., Dykes, J., Thomas, J., Khan, M., Hijazi, M. T., Massey, E., Croston, G., Reschreiter, H., Camsooksai, J., Patch, S., Jenkins, S., Humphrey, C., Wadams, B., Msiska, M., Adanini, O., Attwood, B., Parsons, P., Tatham, K., Jhanji, S., Black, E., Dela Rosa, A., Howle, R., Thomas, B., Bemand, T., Raobaikady, R., Saha, R., Staines, N., Daniel, A., Finn, J., Hutter, J., Doble, P., Shovelton, C., Pawley, C., Kannan, T., Hill, M., Combes, E., Monnery, S., Joefield, T., Popescu, M., Thankachen, M., Oblak, M., Little, J., Mcivor, S., Brady, A., Whittle, H., Prady, H., Chan, R., Ahmed, A., Morris, A., Gibson, C., Gordon, E., Keenan, S., Quinn, H., Benyon, S., Marriott, S., Zitter, L., Park, L., Baines, K., Lyons, M., Holland, M., Keenan, N., Young, M., Garrioch, S., Dawson, J., Tolson, M., Scholefield, B., Bi, R., Richardson, N., Schumacher, N., Cosier, T., Millen, G., Higham, A., Turki, S., Allen, L., Crisp, N., Hazleton, T., Knight, A., Deery, J., Price, C., Turney, S., Tilbey, S., Beranova, E., Wright, D., George, L., Twiss, S., Wadd, S., Postlethwaite, K., Gondo, P., Masunda, B., Kayani, A., Hadebe, B., Whiteside, J., Clarke, N., Donnison, P., Trim, F., Leadbitter, I., Butcher, D., O'Sullivan, S., Purewal, B., Bell, S., Rivers, V., O'Leary, R., Birch, J., Collins, E., Anderson, S., Hammerton, K., Andrews, E., Burns, K., Edmond, I., Todd, A., Donnachie, J., Turner, P., Prentice, L., Symon, L., Runciman, N., Auld, F., Halkes, M., Mercer, P., Thornton, L., Debreceni, G., Wilkins, J., Crickmore, V., Subramanian, G., Marshall, R., Jennings, C., Latif, M., Bunni, L., Spivey, M., Bean, S., Burt, K., Linnett, V., Ritzema, J., Sanderson, A., Mccormick, W., Bokhari, M., Kapoor, R., Loader, D., Ayers, A., Harrison, W., North, J., Belagodu, Z., Paramsothy, R., Olufuwa, O., Gherman, A., Fuller, B., Stuart, C., Kelsall, O., Davis, C., Wild, L., Wood, H., Thrush, J., Durie, A., Austin, K., Archer, K., Anderson, P., Vigurs, C., Thorpe, C., Knights, E., Boyle, N., Price, A., Kubisz-Pudelko, A., Wood, D., Lewis, A., Board, S., Pippard, L., Perry, J., Beesley, K., Rattray, A., Lee, E., Lennon, L., Douglas, K., Bell, D., Boyle, R., Glass, L., Nauman Akhtar, M., Dent, K., Potoczna, D., Pearson, S., Horsley, E., Spencer, S., Mullan, D., Skinner, D., Gaylard, J., Barber, R., Hewitt, C., Hilldrith, A., Shepardson, S., Wills, M., Jackson-Lawrence, K., Gupta, A., Timlick, E., Gorman, C., Otahal, I., Gales, A., Coetzee, S., Sell, C., Raj, M., Peiu, M., Quaid, S., Watson, E., Elliott, K., Mallinson, J., Chandler, B., Turnbull, A., Finch, C., Holl, C., Cooper, J., Evans, A., Khaliq, W., Collins, A., Gude, E. T., Love, N., van Koutrik, L., Hunt, J., Kaye, D., Fisher, E., Brayne, A., Tuckey, V., Jackson, P., Parkin, J., Tariq, A., Houlden, H., Tucci, A., Hardy, J., Moncur, E., Highgate, J., Cowley, A., Mitra, A., Stead, R., Behan, T., Burnett, C., Newton, M., Heeney, E., Pollard, R., Hatton, J., Patel, A., Kasipandian, V., Allibone, S., Genetu, R. M., O'Brien, L., Omar, Z., Perkins, E., Davies, K., Tetla, D., Shelley, B., Irvine, V., Williams, S., Williams, P., Goodsell, J., Tutton, R., Bough, L., Winter-Goodwin, B., Kitson, R., Pinnell, J., Wilson, A., Nortcliffe, T., Wood, T., Home, M., Holdroyd, K., Robinson, M., Shaw, R., Greig, J., Brady, M., Haigh, A., Matupe, L., Usher, M., Mellor, S., Dale, S., Gledhill, L., Shaw, L., Turner, G., Kelly, D., Anwar, B., Riley, H., Sturgeon, H., Ali, A., Thomis, L., Melia, D., Dance, A., Humphreys, S., Frost, I., Gopal, V., Godden, J., Holden, A., Swann, S., Smith, T., Clapham, M., Poultney, U., Harper, R., Rice, P., Reece-Anthony, R., Gurung, B., Moultrie, S., Odam, M., Mayer, A., Bellini, A., Pickard, A., Bryant, J., Roe, N., Sowter, J., Lang, K., Taylor, J., Barry, P., Hobrok, M., Tench, H., Wolf-Roberts, R., Mcguinness, H., Loosley, R., Hawcutt, D., Rad, L., O'Malley, L., Saunderson, P., Seddon, G., Anderson, T., Rogers, N., Ruddy, J., Harkins, M., Beith, C., Mcalpine, A., Ferguson, L., Grant, P., Macfadyen, S., Mclaughlin, M., Baird, T., Rundell, S., Welsh, B., Hamill, R., Fisher, F., Gregory, J., Campbell, A., Smuts, S., Kenneth Baillie, J., Carson, G., Alex, B., Bach, B., Barclay, W. S., Bogaert, D., Chand, M., Cooke, G. S., Docherty, A. B., Dunning, J., da Silva Filipe, A., Fletcher, T., Green, C. A., Harrison, E. M., Hiscox, J. A., Ho, A. Y. W., Horby, P. W., Ijaz, S., Khoo, S., Lim, W. S., Mentzer, A. J., Merson, L., Meynert, A. M., Noursadeghi, M., Palmarini, M., Paxton, W. A., Pollakis, G., Price, N., Rambaut, A., Robertson, D. L., Sancho-Shimizu, V., Scott, J. T., de Silva, T., Sigfrid, L., Solomon, T., Sriskandan, S., Stuart, D., Tedder, R. S., Thomson, E. C., Thompson, A. A. R., Thwaites, R. S., Turtle, L. C. W., Zambon, M., Hardwick, H., Donohue, C., Lyons, R., Norman, L., Pius, R., Drake, T. M., Fairfield, C. J., Knight, S. R., Mclean, K. A., Murphy, D., Shaw, C. A., Dalton, J., Girvan, M., Saviciute, E., Roberts, S., Harrison, J., Marsh, L., Connor, M., Halpin, S., Gamble, C., Leeming, G., Wham, M., Greenhalf, W., Shaw, V., Mcdonald, S., Ganna, A., Sulem, P., van Heel, D. A., Cordioli, M., Sveinbjornsson, G., Niemi, M. E. K., Shelton, J. F., Shastri, A. J., Ye, C., Weldon, C. H., Filshtein-Sonmez, T., Coker, D., Symons, A., Esparza-Gordillo, J., Aslibekyan, S., Auton, A., Krieger, J. E., Marques, E., Jannes, C. E., Mari, F., Daga, S., Baldassarri, M., Benetti, E., Furini, S., Fallerini, C., Fava, F., Valentino, F., Doddato, G., Giliberti, A., Tita, R., Amitrano, S., Bruttini, M., Croci, S., Meloni, I., Pinto, A. M., Frullanti, E., Mencarelli, M. A., Rizzo, C. L., Montagnani, F., Di Sarno, L., Tommasi, A., Palmieri, M., Emiliozzi, A., Fabbiani, M., Rossetti, B., Zanelli, G., Bargagli, E., Bergantini, L., D'Alessandro, M., Cameli, P., Bennet, D., Anedda, F., Marcantonio, S., Scolletta, S., Franchi, F., Mazzei, M. A., Guerrini, S., Conticini, E., Cantarini, L., Frediani, B., Tacconi, D., Spertilli, C., Feri, M., Donati, A., Scala, R., Guidelli, L., Spargi, G., Corridi, M., Nencioni, C., Croci, L., Caldarelli, G. P., Spagnesi, M., Piacentini, P., Bandini, M., Desanctis, E., Cappelli, S., Canaccini, A., Verzuri, A., Anemoli, V., Ognibene, A., Vaghi, M., D'Arminio Monforte, A., Merlini, E., Mondelli, M. U., Mantovani, S., Ludovisi, S., Girardis, M., Venturelli, S., Sita, M., Cossarizza, A., Antinori, A., Vergori, A., Rusconi, S., Siano, M., Gabrieli, A., Riva, A., Francisci, D., Schiaroli, E., Scotton, P. G., Andretta, F., Panese, S., Scaggiante, R., Gatti, F., Parisi, S. G., Castelli, F., Quiros-Roldan, M. E., Magro, P., Zanella, I., Della Monica, M., Piscopo, C., Capasso, M., Russo, R., Andolfo, I., Iolascon, A., Fiorentino, G., Carella, M., Castori, M., Merla, G., Aucella, F., Raggi, P., Marciano, C., Perna, R., Bassetti, M., Di Biagio, A., Sanguinetti, M., Masucci, L., Valente, S., Mandala, M., Giorli, A., Salerni, L., Zucchi, P., Parravicini, P., Menatti, E., Baratti, S., Trotta, T., Giannattasio, F., Coiro, G., Lena, F., Coviello, D. A., Mussini, C., Bosio, G., Martinelli, E., Mancarella, S., Tavecchia, L., Crotti, L., Picchiotti, N., Gori, M., Gabbi, C., Sanarico, M., Ceri, S., Pinoli, P., Raimondi, F., Biscarini, F., Stella, A., Shen, X., Ponting, C. P., Fawkes, A., Tenesa, A., Caulfield, M., Scott, R., Rowan, K., Murphy, L., Openshaw, P. J. M., Semple, M. G., Vitart, V., and Wilson, J. F.
Subjects: 0301 basic medicine, Male, CCR2, Chromosomes, Human, Pair 21, Genome-wide association study, Receptor, Interferon alpha-beta, Disease, Bioinformatics, Genome-wide association studies, 23andMe Investigators, Interferon alpha-beta, 0302 clinical medicine, Receptors, 2',5'-Oligoadenylate Synthetase, Pair 12, genetics, Lung, BRACOVID Investigators, Multidisciplinary, GenOMICC Investigators, Tyrosine kinase 2, 030220 oncology & carcinogenesis, Multigene Family, Medical genetics, Female, Dipeptidyl-Peptidases and Tripeptidyl-Peptidase, 5'-Oligoadenylate Synthetase, Human, Receptor, medicine.medical_specialty, Critical Care, Receptors, CCR2, General Science & Technology, Critical Illness, Chromosomes, 03 medical and health sciences, Intensive care, Mendelian randomization, Immunogenetics, medicine, Humans, Dipeptidyl-Peptidases and Tripeptidyl-Peptidases, Gen-COVID Investigators, Inflammation, TYK2 Kinase, Chromosomes, Human, Pair 12, Pair 19, SARS-CoV-2, business.industry, Drug Repositioning, COVID-19, United Kingdom, COVID-19 Human Genetics Initiative, 030104 developmental biology, Viral infection, Chromosomes, Human, Pair 19, Genome-Wide Association Study, Pharmacogenomics, ISARICC Investigators, Pair 21, 2', business
Abstract: Host-mediated lung inflammation is present1, and drives mortality2, in the critical illness caused by coronavirus disease 2019 (COVID-19). Host genetic variants associated with critical illness may identify mechanistic targets for therapeutic development3. Here we report the results of the GenOMICC (Genetics Of Mortality In Critical Care) genome-wide association study in 2,244 critically ill patients with COVID-19 from 208 UK intensive care units. We have identified and replicated the following new genome-wide significant associations: on chromosome 12q24.13 (rs10735079,P=1.65×10−8) in a gene cluster that encodes antiviral restriction enzyme activators (OAS1,OAS2andOAS3); on chromosome 19p13.2 (rs74956615,P=2.3×10−8) near the gene that encodes tyrosine kinase 2 (TYK2); on chromosome 19p13.3 (rs2109069,P=3.98× 10−12) within the gene that encodes dipeptidyl peptidase 9 (DPP9); and on chromosome 21q22.1 (rs2236757,P=4.99×10−8) in the interferon receptor geneIFNAR2. We identified potential targets for repurposing of licensed medications: using Mendelian randomization, we found evidence that low expression ofIFNAR2, or high expression ofTYK2, are associated with life-threatening disease; and transcriptome-wide association in lung tissue revealed that high expression of the monocyte–macrophage chemotactic receptorCCR2is associated with severe COVID-19. Our results identify robust genetic signals relating to key host antiviral defence mechanisms and mediators of inflammatory organ damage in COVID-19. Both mechanisms may be amenable to targeted treatment with existing drugs. However, large-scale randomized clinical trials will be essential before any change to clinical practice.
Published: 2020
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33. Molecular analysis of 42 patients with congenital dyserythropoietic anemia type II: new mutations in the SEC23B gene and a search for a genotype-phenotype relationship

Author: Achille Iolascon, Roberta Russo, Maria Rosaria Esposito, Roberta Asci, Carmelo Piscopo, Silverio Perrotta, Madeleine Fénéant-Thibault, Loïc Garçon, and Jean Delaunay
Subjects: Diseases of the blood and blood-forming organs, RC633-647.5
Abstract: Background The most frequent form of congenital dyserythropoietic anemia is the type II form. Recently it was shown that the vast majority of patients with congenital dyserythropoietic anemia type II carry mutations in the SEC23B gene. Here we established the molecular basis of 42 cases of congenital dyserythropoietic anemia type II and attempted to define a genotype-phenotype relationship.Design and Methods SEC23B gene sequencing analysis was performed to assess the diversity and incidence of each mutation in 42 patients with congenital dyserythropoietic anemia type II (25 described exclusively in this work), from the Italian and the French Registries, and the relationship of these mutations with the clinical presentation. To this purpose, we divided the patients into two groups: (i) patients with two missense mutations and (ii) patients with one nonsense and one missense mutation.Results We found 22 mutations of uneven frequency, including seven novel mutations. Compound heterozygosity for a missense and a nonsense mutation tended to produce a more severe clinical presentation, a lower reticulocyte count, a higher serum ferritin level, and, in some cases, more pronounced transfusion needs, than homozygosity or compound heterozygosity for two missense mutations. Homozygosity or compound heterozygosity for two nonsense mutations was never found.Conclusions This study allowed us to determine the most frequent mutations in patients with congenital dyserythropoietic anemia type II. Correlations between the mutations and various biological parameters suggested that the association of one missense mutation and one nonsense mutation was significantly more deleterious that the association of two missense mutations. However, there was an overlap between the two categories.
Published: 2010
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34. A novel erythroid anion exchange variant (Gly796Arg) of hereditary stomatocytosis associated with dyserythropoiesis

Author: Achille Iolascon, Luigia De Falco, Franck Borgese, Maria Rosaria Esposito, Rosa Anna Avvisati, Pietro Izzo, Carmelo Piscopo, Helene Guizouarn, Andrea Biondani, Antonella Pantaleo, and Lucia De Franceschi
Subjects: Diseases of the blood and blood-forming organs, RC633-647.5
Abstract: Background Stomatocytoses are a group of inherited autosomal dominant hemolytic anemias and include overhydrated hereditary stomatocytosis, dehydrated hereditary stomatocytosis, hereditary cryohydrocytosis and familial pseudohyperkalemia.Design and Methods We report a novel variant of hereditary stomatocytosis due to a de novo band 3 mutation (p. G796R-band3 CEINGE) associated with a dyserythropoietic phenotype. Band 3 genomic analysis, measurement at of hematologic parameters and red cell indices and morphological analysis of bone marrow were carried out. We then evaluated the red cell membrane permeability and ion transport systems by functional studies of the patient’s erythrocytes and Xenopus oocytes transfected with mutated band 3. We analyzed the red cell membrane tyrosine phosphorylation profile and the membrane association of the tyrosine kinases Syk and Lyn from the Src-family-kinase group, since the activity of the membrane cation transport pathways is related to cyclic phosphorylation-dephosphorylation events.Results The patient showed mild hemolytic anemia with circulating stomatocytes together with signs of dyserythropoiesis. Her red cells displayed increased Na+ content with decreased K+content and abnormal membrane cation transport activities. Functional characterization of band 3 CEINGE in Xenopus oocytes showed that the mutated band 3 is converted from being an anion exchanger (Cl−, HCO3−) to being a cation pathway for Na+ and K+. Increased tyrosine phosphorylation of some red cell membrane proteins was observed in diseased erythrocytes. Syk and Lyn membrane association was increased in the patient’s red cells compared to in normal controls, indicating perturbation of phospho-signaling pathways involved in cell volume regulation events.Conclusions Band 3 CEINGE alters function from that of anion exchange to cation transport, affects the membrane tyrosine phosphorylation profile, in particular of band 3 and stomatin, and its presence during red cell development likely contributes to dyserythropiesis.
Published: 2009
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35. Detection of 46, XY Disorder of Sex Development (DSD) Based on Plasma Cell-Free DNA and Targeted Next-Generation Sequencing

Author: Antonio Fico, Teresa Suero, Raffaella Ruggiero, Giulia Furino, Luigia De Falco, Rossana D’Angelo, Carmelo Piscopo, Roberto Sirica, Eloisa Evangelista, Antonella Di Carlo, Giovanni Savarese, and Ciro Scarpato
Subjects: Amniotic fluid, HSD17B3 gene, business.industry, Virilization, Genetic counseling, Case Report, sex discordance, QH426-470, medicine.disease, Bioinformatics, DNA sequencing, Deep sequencing, whole exome sequencing (WES), Cell-free fetal DNA, 17β-hydroxysteroid dehydrogenase deficiency, Genetics, Medicine, Disorders of sex development, medicine.symptom, business, Genetics (clinical), Exome sequencing, non-invasive prenatal testing (NIPT)
Abstract: Mutations in the HSD17B3 gene cause HSD17B3 deficiency and result in 46, XY Disorders of Sex Development (46, XY DSD). The diagnosis of 46, XY DSD is very challenging and not rarely is confirmed only at older ages, when an affected XY female presents with primary amenorrhea or develops progressive virilization. The patient described in this paper represents a case of discrepancies between non-invasive prenatal testing (NIPT) and ultrasound based fetal sex determination detected during prenatal screening. Exome sequencing was performed on the cell free fetal DNA (cffDNA), amniotic fluid, and the parents. Libraries were generated according to the manufacturer’s protocols using TruSight One Kits (Illumina Inc., San Diego, CA, USA). Sequencing was carried out on NEXT Seq 500 (Illumina) to mean sequencing depth of at least 100×. A panel of sexual disease genes was used in order to search for a causative variant. The finding of a mutation (c.645 A>T, p.Glu215Asp) in HSD17B3 gene in amniotic fluid as well as in cffDNA and both parents supported the hypothesis of the HSD17B3 deficiency. In conclusion, we used clinical exome sequencing and non-invasive prenatal detection, providing a solution for NIPT of a single-gene disorder. Early genetic diagnoses are useful for patients and clinicians, contribute to clinical knowledge of DSD, and are invaluable for genetic counseling of couples contemplating future pregnancies.
Published: 2021
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36. Expanding the clinical phenotype of individuals with a 3-bp in-frame deletion of the NF1 gene (c.2970_2972del): an update of genotype-phenotype correlation

Author: Lynne M. Bird, Justin T. Jordan, Laura Dosa, Sébastien Perreault, Punita Gupta, Surya P. Rednam, Nicole J. Ullrich, Donald Basel, Linda M. Randolph, Leah W. Burke, Andrea Shugar, Angela Sharp, Ludwine Messiaen, Carey McDougall, Alicia Gomes, Andrea M. Lewis, Maurice J. Mahoney, Rachel K. Hachen, Marie T. McDonald, Katherine A. Rauen, Colette DeFilippo, Carmelo Piscopo, Maria Cristina Digilio, Sandra Janssens, Mary Ella M Pierpont, Lois J. Starr, Eric Legius, Michael F. Wangler, G. Bradley Schaefer, Arthur S. Aylsworth, Pamela Trapane, Ashraf Syed, Laurence E. Walsh, Alesha D. Hicks, Emily Wakefield, Robert Listernick, Nancy J. Mendelsohn, Elaine H. Zackai, Fortunato Lonardo, Dinel A. Pond, Robert S. Greenwood, Alessandro De Luca, Elizabeth K. Schorry, Rianne Oostenbrink, Katharina Wimmer, Ellen Denayer, Felicity Collins, Peter Kannu, Daryl A. Scott, S. Lane Rutledge, Yolanda Martin, Shelley K. Dills, Amedeo A. Azizi, Kristi J. Jones, David T. Miller, Gary Bellus, Yunjia Chen, Tom Callens, Magdalena Koczkowska, Kathleen Claes, Rick van Minkelen, Mayra Martinez Ojeda, Ashley Cannon, Bruce R. Korf, Cristin Griffis, Maria Blazo, Mari Mori, Veronica Saletti, Elizabeth Siqveland, Concepción Hernández-Chico, Pediatrics, and Clinical Genetics
Subjects: 0301 basic medicine, Male, CHILDREN, 030105 genetics & heredity, GUIDELINES, neurofibroma, Correlation, Medicine and Health Sciences, Type 1 Neurofibromatosis, Neurofibroma, Child, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), learning difficulties, Genetics (clinical), Sequence Deletion, Genetics, Pediatric, Genetics & Heredity, Neurofibromin 1, Learning Disabilities, ASSOCIATION, genotype–phenotype correlation, Plexiform, Child, Preschool, ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, NERVE SHEATH TUMORS, Female, p.Met992del, Adult, congenital, hereditary, and neonatal diseases and abnormalities, Heterozygote, VONRECKLINGHAUSEN NEUROFIBROMATOSIS, Neurofibromatosis 1, Adolescent, Clinical Sciences, Mutation, Missense, Biology, genotype-phenotype correlation, Article, Genotype phenotype, Neurofibromatosis, 03 medical and health sciences, Young Adult, Rare Diseases, Clinical Research, medicine, Humans, Genetic Predisposition to Disease, Clinical phenotype, Preschool, Gene, neoplasms, Genetic Association Studies, Neurofibroma, Plexiform, MUTATIONS, OPTIC PATHWAY TUMORS, Neurosciences, Correction, Biology and Life Sciences, Infant, SOUTH EAST WALES, medicine.disease, NOONAN SYNDROME, nervous system diseases, Brain Disorders, 030104 developmental biology, NF1, Mutation, Noonan syndrome, TYPE-1 NEUROFIBROMATOSIS, Missense
Abstract: PURPOSE: Neurofibromatosis type 1 (NF1) is characterized by a highly variable clinical presentation, but almost all NF1-affected adults present with cutaneous and/or subcutaneous neurofibromas. Exceptions are individuals heterozygous for the NF1 in-frame deletion, c.2970_2972del (p.Met992del), associated with a mild phenotype without any externally visible tumors. METHODS: A total of 135 individuals from 103 unrelated families, all carrying the constitutional NF1 p.Met992del pathogenic variant and clinically assessed using the same standardized phenotypic checklist form, were included in this study. RESULTS: None of the individuals had externally visible plexiform or histopathologically confirmed cutaneous or subcutaneous neurofibromas. We did not identify any complications, such as symptomatic optic pathway gliomas (OPGs) or symptomatic spinal neurofibromas; however, 4.8% of individuals had nonoptic brain tumors, mostly low-grade and asymptomatic, and 38.8% had cognitive impairment/learning disabilities. In an individual with the NF1 constitutional c.2970_2972del and three astrocytomas, we provided proof that all were NF1-associated tumors given loss of heterozygosity at three intragenic NF1 microsatellite markers and c.2970_2972del. CONCLUSION: We demonstrate that individuals with the NF1 p.Met992del pathogenic variant have a mild NF1 phenotype lacking clinically suspected plexiform, cutaneous, or subcutaneous neurofibromas. However, learning difficulties are clearly part of the phenotypic presentation in these individuals and will require specialized care. ispartof: GENETICS IN MEDICINE vol:21 issue:4 pages:867-876 ispartof: location:United States status: published
Published: 2019

37. Correction: Expanding the clinical phenotype of individuals with a 3-bp in-frame deletion of the NF1 gene (c.2970_2972del): an update of genotype–phenotype correlation

Author: Ludwine Messiaen, Ashley Cannon, Concepción Hernández-Chico, Yolanda Martin, Andrea Shugar, Mary Ella M Pierpont, Robert S. Greenwood, Yunjia Chen, Fortunato Lonardo, Ellen Denayer, Arthur S. Aylsworth, Shelley K. Dills, Mayra Martinez Ojeda, Elizabeth K. Schorry, Amedeo A. Azizi, Lois J. Starr, Andrea M. Lewis, Rianne Oostenbrink, Bruce R. Korf, Pamela Trapane, Peter Kannu, Daryl A. Scott, Elizabeth Siqveland, Rick van Minkelen, Justin T. Jordan, Laura Dosa, Nancy J. Mendelsohn, David T. Miller, Dinel A. Pond, Alessandro De Luca, Elaine H. Zackai, Rachel K. Hachen, Donald Basel, Linda M. Randolph, Eric Legius, Maurice J. Mahoney, Tom Callens, Maria Cristina Digilio, Alesha D. Hicks, Carmelo Piscopo, Sandra Janssens, Katherine A. Rauen, Michael F. Wangler, Ashraf Syed, Emily Wakefield, Punita Gupta, Lynne M. Bird, Alicia Gomes, Marie T. McDonald, Katharina Wimmer, S. Lane Rutledge, Colette DeFilippo, Robert Listernick, Kathleen Claes, Surya P. Rednam, Nicole J. Ullrich, Leah W. Burke, Carey McDougall, Sébastien Perreault, Gary Bellus, Magdalena Koczkowska, Cristin Griffis, Laurence E. Walsh, Angela Sharp, Felicity Collins, Maria Blazo, Kristi J. Jones, Mari Mori, Veronica Saletti, and G. Bradley Schaefer
Subjects: Genetics, Correlation, Frame (networking), ComputingMethodologies_DOCUMENTANDTEXTPROCESSING, Biology, Clinical phenotype, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Gene, Genetics (clinical), Genotype phenotype
Abstract: A correction has been published to this Article. The PDF and HTML have been updated accordingly.
Published: 2019
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38. Novel TMPRSS6 mutations associated with iron-refractory iron deficiency anemia (IRIDA)

Author: Aurora Feliu, Milen Minkov, Natascia Campostrini, Clara Camaschella, Fahd Al Manjomi, Laura Silvestri, Francesca Totaro, Luigia De Falco, Alessia Pagani, Carlo Dufour, Achille Iolascon, Dennis G. Van Vuurden, Domenico Girelli, Antonis Kattamis, Carmelo Piscopo, Antonella Nai, De Falco, L, Totaro, F, Nai, A, Pagani, A, Girelli, D, Silvestri, L, Piscopo, C, Campostrini, N, Dufour, C, Al Manjomi, F, Minkov, M, Van Vuurden, Dg, Feliu, A, Kattamis, A, Camaschella, C, Iolascon, Achille, Ceinge, centro di Ingegneria Genetica e Biotecnologie Avanzate, San Raffaele Scientific Institute, Department of Clinical and Experimental Medicine, University of Verona (UNIVR), Dipartimento di Ematologia e Oncologia Pediatrica, Istituto G. Gaslini, Head of Pediatric Hematology/Oncology Department, Pediatric Hematology/Oncology, Sant'Anna Children's Hospital, Department of Pediatrics, VU University Medical Center [Amsterdam], Hospital de Pediatria Combate de los Pozos, First department of Pediatrics, University of Athens School of Medicine, Dipartimento di Biochimica e Biotecnologie Mediche, Università degli Studi di Napoli, DE FALCO, L, AL MANJOMI, F, VAN VUURDEN, Dg, Camaschella, Clara, Iolascon, A., Pediatric surgery, and CCA - Innovative therapy
Subjects: Male, Silent mutation, TMPRSS6, Microcytic anemia, In silico, DNA Mutational Analysis, Mutation, Missense, medicine.disease_cause, Frameshift mutation, 03 medical and health sciences, 0302 clinical medicine, Hepcidins, Hepcidin, Genetics, medicine, Humans, Missense mutation, Child, Frameshift Mutation, Genetics (clinical), mutations, iron deficiency anemia, 030304 developmental biology, 0303 health sciences, Mutation, Anemia, Iron-Deficiency, biology, Serine Endopeptidases, Membrane Proteins, Life Sciences, medicine.disease, Molecular biology, Pedigree, Enzyme Activation, Child, Preschool, 030220 oncology & carcinogenesis, biology.protein, Female, Antimicrobial Cationic Peptides
Abstract: International audience; Mutations leading to abrogation of matriptase-2 proteolytic activity in humans are associated with an iron-refractory iron deficiency anemia (IRIDA) due to elevated hepcidin levels. In this paper we describe 12 IRIDA patients belonging to 7 unrelated families and identify 10 (9 novel) TMPRSS6 mutations spread along the gene sequence: 5 missense, 1 non sense and 4 frameshift. The frameshift and non sense mutations are predict to result in truncated protein lacking the catalytic domain. The causal role of missense mutations (Y141C, I212T, R271Q, S304L and C510S) is demonstrated by in silico analysis, their absence in 100 control chromosomes and the high conservation of the involved residues. The C510S mutation in the LDLRA domain in silico model causes an intra-molecular structural imbalance that impairs matriptase-2 activation. We also assessed the in vitro effect on hepcidin promoter and the proteolytic activity of I212T and R271Q demonstrating a reduced inhibitory effect for the former mutation, but surprisingly a normal function for R271Q which appears silent in vitro. Based on mRNA expression studies I212T could also decrease the total amount of protein produced, likely interfering with mRNA stability. Collectively, our results extend the pattern of TMPRSS6 mutations associated with IRIDA and propose a model of causality for some of the novel missense mutations.
Published: 2010
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39. Cytokine Gene Polymorphisms in Italian Preterm Infants: Association Between Interleukin-10 –1082 G/A Polymorphism and Respiratory Distress Syndrome

Author: Filomena de Angelis, Nicola Laforgia, Carmelo Piscopo, Mario Capasso, Achille Iolascon, Rosa Anna Avvisati, Francesco Raimondi, Capasso, Mario, Avvisati, Ra, Piscopo, C, Laforgia, N, Raimondi, Francesco, DE ANGELIS, F, Iolascon, Achille, and de Angelis, F
Subjects: Male, Genotype, Gene Expression, Polymorphism, Single Nucleotide, Gene Frequency, Polymorphism (computer science), Humans, Medicine, RNA, Messenger, Alleles, DNA Primers, Respiratory Distress Syndrome, Newborn, Base Sequence, Respiratory distress, Reverse Transcriptase Polymerase Chain Reaction, business.industry, Infant, Newborn, Interleukin, Odds ratio, Interleukin-10, Genotype frequency, Interleukin 10, Italy, HYALINE-MEMBRANE DISEASE, PULMONARY SURFACTANT PROTEIN, CHRONIC LUNG-DISEASE, BRONCHOPULMONARY DYSPLASIA, DIFFERENTIAL REGULATION, PROMOTER POLYMORPHISMS, EXPRESSION, IL-10, ACTIVATION, SUSCEPTIBILITY, Case-Control Studies, Pediatrics, Perinatology and Child Health, Immunology, Female, Restriction fragment length polymorphism, business, Infant, Premature, Polymorphism, Restriction Fragment Length
Abstract: In this study, we determined the genotype frequencies of polymorphisms of cytokine genes and investigated their association with the risk of respiratory distress syndrome (RDS) in preterm infants. Genetic polymorphisms in the cytokines interleukin (IL)-10, IL-8, and tumor necrosis factor (TNF) alpha, were studied in 342 white Italian newborns (112 without RDS, 66 prematurely born with RDS, and 164 infants born at term who were included as healthy controls). The polymorphisms were analyzed by polymerase chain reaction (PCR) restriction fragment length polymorphism (RFLP). The IL-10 mRNA levels were analyzed according to genotype by quantitative real-time PCR (QRT-PCR) in Epstein-Barr virus-transformed lymphoblastoid cell lines (EBV-LCLs) of 42 full-term healthy infants. Logistic regression analysis demonstrated the risk of RDS to be significantly lower in preterm infants with an IL-10 -1082 GG/GA genotype than in those with an AA genotype [odds ratio (OR) = 0.48, 95% confidence interval (CI): 0.24-0.95, p = 0.03]. QRT-PCR analyses showed that the IL-10 mRNA levels were significantly higher in 27 IL-10 -1082 GG/GA carriers compared with 15 IL-10 -1082 AA carriers (p = 0.03). We conclude that the IL-10 -1082 GG/GA polymorphism may have a role in RDS development in premature infants.
Published: 2007
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40. Pediatric portal vein thrombosis: more on thrombophilic risk factors

Author: S. Maddaluno, Carmelo Piscopo, Pietro Vajro, Giuseppe Castaldo, Riccardo Campanile, M. Caropreso, Vajro, P, Campanile, R, Caropreso, M, Piscopo, Carmelo, Maddaluno, S, and Castaldo, Giuseppe
Subjects: Male, Venous Thrombosis, medicine.medical_specialty, business.industry, Portal Vein, Gastroenterology, Portal vein, medicine.disease, Thrombophilia, Portal vein thrombosis, Venous thrombosis, Internal medicine, Pediatrics, Perinatology and Child Health, Mutation (genetic algorithm), Mutation, medicine, Humans, Female, business
Published: 2013

41. Genetic prothrombotic risk factors in children with extrahepatic portal vein obstruction

Author: S. Maddaluno, M. Caropreso, Carmelo Piscopo, Giuseppe Castaldo, Claudio Veropalumbo, Pietro Vajro, Riccardo Campanile, Caropreso, Maria, Campanile, R, Maddaluno, Sergio, Veropalumbo, Claudio, Piscopo, Carmelo, Castaldo, Giuseppe, and Vajro, Pietro
Subjects: medicine.medical_specialty, Text mining, business.industry, Pediatrics, Perinatology and Child Health, Gastroenterology, medicine, Radiology, Portal vein obstruction, business, medicine.disease, Thrombosis
Published: 2010

42. Identification and molecular characterization of the --CAMPANIA deletion, a novel Î±Â°-thalassemic defect, in two unrelated Italian families

Author: Leonilde Pagano, Raffaele Sessa, Paola Izzo, Simona Colucci, Massimiliano Ammirabile, Michela Grosso, Stella Puzone, Carmelo Piscopo, Sessa, R., Puzone, S., Ammirabile, M., Piscopo, C., Pagano, L., Colucci, S., Izzo, Paola, and Grosso, Michela
Subjects: Genetics, Hemolytic anemia, medicine.medical_specialty, Hematology, business.industry, Nucleic acid sequence, medicine.disease, Alu element, Hemoglobinopathy, Internal medicine, medicine, Alpha thalassemia, Identification (biology), deletion, business
Abstract: We describe a novel deletion form of alpha-thalassemia which removes a region of 31 kilobase encompassing the entire a-globin gene cluster. In association with the - alpha+ 3.7 deletion this defect gave rise to a typical hemoglobin H (HbH) disease in two unrelated boys of Southern Italian descent. The molecular characterization of the deletion revealed involvement of Alu repeat sequences, indicating that this rearrangement was originated from an event of unequal recombination. Furthermore, sequence analysis of the junctional region and genotyping of polymorphic sites flanking the 5’ and 3’ breakpoints suggest a unique origin for this mutation in these two patients. Our study contributes to define the wide spectrum of mutations that underlie the thalassemia syndromes in the Mediterranean area and provides support to prevention programs of a-thalassemia based on molecular screening and prenatal diagnosis in couples at risk.
Published: 2010
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43. A novel erythroid anion exchange variant (Gly796Arg) of hereditary stomatocytosis associated with dyserythropoiesis

Author: Pietro Izzo, Rosa Anna Avvisati, Maria Rosaria Esposito, Franck Borgese, Carmelo Piscopo, Andrea Biondani, Achille Iolascon, Luigia De Falco, Lucia De Franceschi, Hélène Guizouarn, Antonella Pantaleo, Institute of Developmental Biology and Cancer (IBDC), Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA), Institut de signalisation, biologie du développement et cancer (ISBDC), Centre National de la Recherche Scientifique (CNRS)-Université Nice Sophia Antipolis (... - 2019) (UNS), COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Université Côte d'Azur (UCA), University of Turin, Iolascon, Achille, De Falco, L., Borgese, F., Esposito, M. R., Avvisati, R. A., Izzo, P., Piscopo, C., Guizouarn, H., Biondani, A., Pantaleo, A., and De Franceschi, L.
Subjects: Male, Erythrocytes, Xenopus, membrane-protein, MESH: Amino Acid Sequence, skate erythrocytes, anion exchanger, expansion, 0302 clinical medicine, Anion Exchange Protein 1, Erythrocyte, MESH: Xenopus, MESH: Animals, stomatocytosis, anion exchanger, dyserythropoiesis, tyrosine phosphorylation, Src family kinase, [SDV.BDD]Life Sciences [q-bio]/Development Biology, cell-volume, Anemia, Dyserythropoietic, Congenital, 0303 health sciences, phosphorylation, Overhydrated hereditary stomatocytosis, MESH: Erythrocytes, MESH: Anemia, Dyserythropoietic, Congenital, Hematology, anemia, MESH: Amino Acid Substitution, 3. Good health, Pedigree, cation content, medicine.anatomical_structure, Biochemistry, 030220 oncology & carcinogenesis, Dehydrated hereditary stomatocytosis, Original Article, stomatocytosis, red cells, dyserythropoiesis, tyrosine, Src family kinase, k/cl cotransport, band-3, Female, MESH: Membrane Proteins, Stomatin, Stomatocytosis, Adult, MESH: Mutation, MESH: Pedigree, Blotting, Western, Editorials and Perspectives, Biology, Anemia, Hemolytic, Congenital, MESH: Oocytes, 03 medical and health sciences, MESH: Anemia, Hemolytic, Congenital, medicine, MESH: Blotting, Western, Animals, Humans, Amino Acid Sequence, Band 3, 030304 developmental biology, Family Health, MESH: Humans, Ion Transport, Membrane Proteins, MESH: Adult, medicine.disease, Molecular biology, MESH: Male, MESH: Ion Transport, Red blood cell, Hereditary stomatocytosis, Amino Acid Substitution, Mutation, MESH: Family Health, biology.protein, Oocytes, MESH: Female, MESH: Anion Exchange Protein 1, Erythrocyte, Cation transport
Abstract: International audience; BACKGROUND: Stomatocytoses are a group of inherited autosomal dominant hemolytic anemias and include overhydrated hereditary stomatocytosis, dehydrated hereditary stomatocytosis, hereditary cryohydrocytosis and familial pseudohyperkalemia. DESIGN AND METHODS: We report a novel variant of hereditary stomatocytosis due to a de novo band 3 mutation (p. G796R-band3 CEINGE) associated with a dyserythropoietic phenotype. Band 3 genomic analysis, measurement at of hematologic parameters and red cell indices and morphological analysis of bone marrow were carried out. We then evaluated the red cell membrane permeability and ion transport systems by functional studies of the patient's erythrocytes and Xenopus oocytes transfected with mutated band 3. We analyzed the red cell membrane tyrosine phosphorylation profile and the membrane association of the tyrosine kinases Syk and Lyn from the Src-family-kinase group, since the activity of the membrane cation transport pathways is related to cyclic phosphorylation-dephosphorylation events. RESULTS: The patient showed mild hemolytic anemia with circulating stomatocytes together with signs of dyserythropoiesis. Her red cells displayed increased Na(+) content with decreased K(+)content and abnormal membrane cation transport activities. Functional characterization of band 3 CEINGE in Xenopus oocytes showed that the mutated band 3 is converted from being an anion exchanger (Cl(-), HCO(3)(-)) to being a cation pathway for Na(+) and K(+). Increased tyrosine phosphorylation of some red cell membrane proteins was observed in diseased erythrocytes. Syk and Lyn membrane association was increased in the patient's red cells compared to in normal controls, indicating perturbation of phospho-signaling pathways involved in cell volume regulation events. CONCLUSIONS: Band 3 CEINGE alters function from that of anion exchange to cation transport, affects the membrane tyrosine phosphorylation profile, in particular of band 3 and stomatin, and its presence during red cell development likely contributes to dyserythropiesis.
Published: 2009
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44. Red Cell Membrane Disorders in Pediatrics

Author: Loredana Boschetto, Achille Iolascon, Carmelo Piscopo, Iolascon, Achille, Piscopo, C, and Boschetto, L.
Subjects: Pediatrics, medicine.medical_specialty, Erythrocytes, business.industry, Erythrocyte Membrane, Elliptocytosis, Hereditary, Blood Protein Electrophoresis, Red cell membrane, Diagnosis, Differential, Elliptocytosis, Blood protein electrophoresis, Erythrocyte Deformability, Mutation, Pediatrics, Perinatology and Child Health, Mutation (genetic algorithm), medicine, Humans, Erythrocyte deformability, Child, business
Abstract: During its 120-day life span, a red cell (RBC) circulates 1 million times in a human’s body, often squeezing through narrow capillaries. The erythrocyte’s remarkable mechanical properties originate from its unique cell wall architecture. RBCs must possess adequate mechanical strength to withstand the shearing forces encountered in the circulation and should remain flexible enough to traverse microcapillaries with diameters smaller than that of the RBC itself, as in the splenic circulation. Thus, deformability is one of the major characteristics of the red cell membrane.ABOUT THE AUTHORSAchille Iolascon, MD, PhD; Carmelo Piscopo, MD; and Loredana Boschetto, PhD, are with the Departments of Medical Genetics and Department of Biochemistry and Medical Biotechnologies, University Federico II of Naples, Italy, and CEINGE — Scarl Naples.Address correspondence to: Achille Iolascon, MD, PhD, Dept. of Biochemistry and Medical Biotechnologies, University Federico II of Naples, CEINGE — Advanced Biotechnologies, Via Comunale Margherita 482, 80145 Naples, Italy; fax 39-081-373-7804; www.ceinge.unina.it; or email: iolascon@ceinge.unina.it.Dr. Iolascon, Dr. Piscopo, and Dr. Boschetto have reported no relevant financial relationships.This article has been supported by the Italian Ministero dell’Università e della Ricerca, project PS 35-126/IND, by Telethon (Italy), and by PRIN – MIUR, Rome.EDUCATIONAL OBJECTIVESIdentify the clinical features of various red cell membrane disorders and their respective specific mutations.Describe the tests necessary for reaching an accurate diagnosis in red cell membrane disorders.Discuss treatment guidelines for children with red cell membrane disorders.
Published: 2008
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45. Erratum: 'Identification and molecular characterization of the-CAMPANIAdeletion, a novel α°-thalassemic defect, in two unrelated Italian families' by Sessa et al.,Am J Hematol2010, DOI number 21591

Author: Raffaele Sessa, Leonilde Pagano, Massimiliano Ammirabile, Paola Izzo, Simona Colucci, Stella Puzone, Carmelo Piscopo, and Michela Grosso
Subjects: Genetics, Identification (biology), Hematology, Biology
Published: 2010
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46. BAND 3CEINGE (Gly796Arg) Mutation Causes Dehydrated Hereditary Stomatocytosis (DHS) with Dyserythropoietic Phenotype

Author: Frank Borgese, Andrea Biondani, Luigia De Falco, Rosa Anna Avvisati, Maria Rosaria Esposito, Achille Iolascon, Lucia De Franceschi, Hélène Guizouarn, Carmelo Piscopo, and Pietro Izzo
Subjects: Hemolytic anemia, medicine.medical_specialty, Overhydrated hereditary stomatocytosis, Immunology, Cell Biology, Hematology, Biology, medicine.disease, Biochemistry, Congenital dyserythropoietic anemia type I, Endocrinology, Hereditary stomatocytosis, Internal medicine, medicine, Dehydrated hereditary stomatocytosis, biology.protein, Familial pseudohyperkalemia, Band 3, Stomatocytosis
Abstract: Stomatocytosis is an inherited autosomal dominant hemolytic anemia and includes overhydrated hereditary stomatocytosis (OHS), dehydrated hereditary stomatocytosis (DHS), hereditary cryohydrocytosis (CHC) and familial pseudohyperkalemia (FP). Here, we report a novel variant of hereditary stomatocytosis due to a de-novo band 3 mutation due to G>A transition at nucleotide 2500 in exon 17 (p. G796R, band3CEINGE) associated with dyserythropoietic phenotype. This 43-years-old Caucasian female (II-2) with unrelated parents was admitted to our hospital for mild anemia evaluation. The patient was in good health until 7 years when she frequently experienced asthenia. Anemia was first recognized at the age of eighth years with presence of jaundice and hyperchromic urine, but she had never received blood transfusions. We observed a mild hypochromic macrocytic anemia with a hemoglobin level of 11.5 g/dL, a mean cell volume (MCV) of 110 fL, and a mean hemoglobin concentration (MCH) of 36.1 pg, the reticulocyte count was 64 × 103/μL. There was a typical hemolytic features: high levels of indirect bilirubin (3.48 mg/dL) and lactate dehydrogenase ( 567 U/l, v.n. 240– 480 U/l ) with negativity at direct and indirect Coomb’s test. Spleen was enlarged and ultrasonography detected 15 cm of longitudinal size. She was cholecystectomized at the age of 14 years because of numerous symptomatic small stones. Serum iron, soluble transferrin receptor, serum ferritin and transferrin saturation levels were all increased, while the transferrin was in the normal range.Other blood tests including osmotic fragility with incubated and fresh erythrocytes, serum electrolytes, B12 and folate levels, erythrocyte enzyme levels, EMA test and Pink test were normal. Peripheral blood smear showed anisopoikilocytosis with rare stomatocytes and no spherocytes. Bone marrow aspirate showed remarkable dyserythropoiesis with increased number of erythroblasts and binucleate erythroblasts, basophilic erythroblasts with alterations, irregular nuclei maturation, intererythroblastic bridges and erythroblasts with basophilic stippling. She received since the age of 14 yrs a diagnosis for congenital dyserythropoietic anemia type I. Patients red cells showed increase Na+ content and decrease K+ content; reduced Na-K pump activity and increased Na-H exchange, NKCC cotransport and KCC cotransport activities. We then functionally characterized band 3 CEINGE in Xenopus oocytes, showing that the mutated band 3 is converted from anion exchanger (Cl−, HCO3 −) function to unregulated cation pathway for Na+ and K+. The mutated band 3 was also associated with increased tyrosine phosphorylation pattern of some red cell membrane proteins. During erythropoiesis band 3 protein is the last cytoskeletal protein to appear, thus the dyserythropoietic phenotype may be related to a possible role of the mutated band 3 in perturbation of cytoskeleton assembly in the late stage of erythropoiesis, allowing us to conclude for a new variant of stomatocytosis with dyserythropoietic phenotype.

47. COPII Complex Characterization During Erythroid Differentiation and Its involvement in CDAII Disease

Author: Maria Rosaria Esposito, Carmelo Piscopo, Roberta Asci, Daniela Spano, Immacolata Andolfo, Roberta Russo, Luigia De Falco, and Achille Iolascon
Subjects: Endoplasmic reticulum, Immunology, Coated vesicle, SAR1A, Erythroid Hyperplasia, Cell Biology, Hematology, Biology, SEC23A, Biochemistry, Molecular biology, SEC31, Gene expression, COPII
Abstract: Abstract 3009 Poster Board II-985 Congenital dyserythropoietic anemia type II (CDA II) is an autosomal recessive disorder affecting the normal differentiation-proliferation pathway of the erythroid lineage. It comprises an anemia of variable severity, jaundice, and variable splenomegaly. Erythroid hyperplasia with binuclearity or multinuclearity involving late erythroblasts in the bone marrow (BM) is a key feature of the diagnosis (Iolascon, 2001). In addition, on electron microscopy, vesicles of endoplasmic reticulum (ER) appear to be running beneath the plasma membrane (Alloisio, 1996). The principal biochemical feature is the hypoglycosilation of several proteins, such as transferrin and band 3 (Anselstetter, 1977). Recently, we identified SEC23B as the CDA II causative gene (Schwarz, 2009). The SEC23B gene encodes the SEC23B component which is part of the cytoplasmic coat protein (COP)II complex. COPII coated vesicles bud from the endoplasmic reticulum to export newly synthesized proteins to the trans Golgi. In yeast, COPII coated vesicles form by the sequential binding of Sar1-GTP, the inner complex proteins Sec23-Sec24 and the outer complex components Sec13-Sec31 on the endoplasmic reticulum (ER) (Fromme, 2008). Our aim was to characterize the COPII complex in CD34+ progenitor cells during erythroid differentiation by gene expression analysis. Mononuclear cells from the peripheral blood of normal subjects were isolated on a Ficoll-Hypaque gradient and CD34+ progenitors were separated on immuno-affinity columns. For erythroid differentiation, CD34+ cells of three different pools were separately plated on plastic culture dishes in methylcellulose medium containing 3U/mL erythropoietin (EPO) (Pinho, 2008). The cells have been cultured for 7 and 14 days after EPO treatment. Quantitative real time (qRT)-PCR on CD34+ during erythroid differentiation was performed to assess the gene expression level. The relative gene expression was calculated by 2*(-ΔCt) method (Livak, 2001), using GAPDH gene as internal control (figure 1). Mammalian orthologues have been identified for each of the five proteins involved in COPII coat formation. In humans, two isoforms of Sec23, Sar1 and Sec31 and four mammalian isoforms of Sec24 have been reported (Kuge, 1994; Paccaud, 1996; Wendeler, 2007; Mancias, 2008; Shugrue, 1999; Tang, 2000; Stankewich, 2005). We already demonstrated that during normal erythropoiesis a SEC23A down regulation is associated to SEC23B upregulation. These data suggest that SEC23B mutants could disrupt the COPII complex in erythroid lineage, and consequently induce CDA II (Schwarz, 2009). On the contrary, the two isoforms of SAR1 showed the same trend during erythroid differentiation: however, SAR1A isoforms has an higher expression when compared to SAR1B isoform. Among the four SEC24 isoforms, SEC24A, B and C showed the same increased expression after EPO treatment; SEC24D, indeed, showed a decreasing trend during differentiation time. Only one form of mammalian SEC13 has been described (Shaywitz, 1995), and it showed an increased expression after EPO treatment. Between SEC31 mammalian isoforms, SEC31A showed overall an higher gene expression compared to SEC31B gene. The gene expression analysis of SEC12, the transmembrane guanine nucleotide exchange factor that catalyzes the COPII vesicle formation by GDP-GTP exchange on Sar1 (Sato, 2004), revealed an higher mRNA level at 14 days when compared to 7 days after EPO treatment. Here, we have identified the isoforms of COPII complex most expressed during erythroid differentiation. This study could allow us to clarify the role of each COPII gene in erythroid lineage, and to identify other genes potentially involved in CDA II pathogenesis.Figure 1.Gene expression profile during CD34+ erythroid differentiation. Data are presented as mean ± standard deviation. *p value < 0.05 calculated on day 0 by Student t test corrected by Bonferroni method.Figure 1. Gene expression profile during CD34+ erythroid differentiation. Data are presented as mean ± standard deviation. *p value < 0.05 calculated on day 0 by Student t test corrected by Bonferroni method. Disclosures: No relevant conflicts of interest to declare.

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