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1. EMID2 is a novel biotherapeutic for aggressive cancers identified by in vivo screening

Author

Ambra Cappelletto, Edoardo Alfì, Nina Volf, Thi Van Anh Vu, Francesca Bortolotti, Giulio Ciucci, Simone Vodret, Marco Fantuz, Martina Perin, Andrea Colliva, Giacomo Rozzi, Matilde Rossi, Giulia Ruozi, Lorena Zentilin, Roman Vuerich, Daniele Borin, Romano Lapasin, Silvano Piazza, Mattia Chiesa, Daniela Lorizio, Luca Triboli, Sandeep Kumar, Gaia Morello, Claudio Tripodo, Maurizio Pinamonti, Giulia Maria Piperno, Federica Benvenuti, Alessandra Rustighi, Hanjoong Jo, Stefano Piccolo, Giannino Del Sal, Alessandro Carrer, Mauro Giacca, and Serena Zacchigna

Subjects
In vivo screening, Cancer, Cell invasiveness, AAV vectors, Gene therapy, Biotherapeutics, Neoplasms. Tumors. Oncology. Including cancer and carcinogens, RC254-282
Abstract

Abstract Background New drugs to tackle the next pathway or mutation fueling cancer are constantly proposed, but 97% of them are doomed to fail in clinical trials, largely because they are identified by cellular or in silico screens that cannot predict their in vivo effect. Methods We screened an Adeno-Associated Vector secretome library (> 1000 clones) directly in vivo in a mouse model of cancer and validated the therapeutic effect of the first hit, EMID2, in both orthotopic and genetic models of lung and pancreatic cancer. Results EMID2 overexpression inhibited both tumor growth and metastatic dissemination, consistent with prolonged survival of patients with high levels of EMID2 expression in the most aggressive human cancers. Mechanistically, EMID2 inhibited TGFβ maturation and activation of cancer-associated fibroblasts, resulting in more elastic ECM and reduced levels of YAP in the nuclei of cancer cells. Conclusion This is the first in vivo screening, precisely designed to identify proteins able to interfere with cancer cell invasiveness. EMID2 was selected as the most potent protein, in line with the emerging relevance of the tumor extracellular matrix in controlling cancer cell invasiveness and dissemination, which kills most of cancer patients.

Published
2024
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2. 424 Deciphering the Immune Landscape in Benign Breast Disease: Implications for Risk Stratification and Breast Cancer Prevention

Author

Matilde Rossi, Nicole Cruz-Reyes, Rob Vierkant, Amy Degnim, Mark Sherman, and Derek Radisky

Subjects
Medicine
Abstract

OBJECTIVES/GOALS: The objective of our research is to define unique molecular and immune markers in benign breast tissue to better identify women at risk of node-positive breast cancer (BC). The goal of the work is to improve individualized risk assessment, to guide targeted prevention and screening recommendations, and to reduce disease incidence and mortality. METHODS/STUDY POPULATION: From the Mayo Clinic’s Benign Breast Disease (BBD) cohort, we matched women who developed node-positive breast cancer after a BBD biopsy (cases; n=42) with women who remained cancer-free (controls; n=37), considering patient age and biopsy date. We used NanoString gene expression profiling to identify differentially expressed genes (DEGs) between cases and controls. We optimized a multiplex immunofluorescence (mIF) approach to simultaneously detect multiple markers within single FFPE tissue slides to correlate cells expressing DEGs in relation to innate and adaptive immune effectors. We used tissue segmentation, cell phenotyping, and spatial relationships to define molecular and immune differences between cases and controls. RESULTS/ANTICIPATED RESULTS: We discovered higher gene expression levels of IRF8 (interferon regulatory factor 8, a factor involved in immune cell differentiation) in controls as compared to cases (p = 0.0024) and found that IRF8 expression is also associated with longer cancer onset times among cases (p = 0.0012). Our pilot mIF experiments revealed higher frequencies of CD4+, CD8+, CD68+, CD20+ and CD11c+ cells in controls compared to cases. We predict that higher IRF8 expression and increased frequencies of immune cells in BBD biopsies indicate a proactive immune environment that may act to prevent cancer development. Furthermore, we predict that our analyses of the spatial localization of these markers by mIF may offer further predictive insight. DISCUSSION/SIGNIFICANCE: Deciphering the relationship between immune alterations in BBD and risk of node positive BC has the potential to improve individualized risk prediction. These insights will foster improved surveillance and informed screening and prevention, ultimately reducing BC incidence and mortality.

Published
2024
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4. Defining Kawasaki disease and pediatric inflammatory multisystem syndrome-temporally associated to SARS-CoV-2 infection during SARS-CoV-2 epidemic in Italy: results from a national, multicenter survey

Author

Cattalini M, Della Paolera S, Zunica F, Bracaglia C, Giangreco M, Verdoni L, Meini A, Sottile R, Caorsi R, Zuccotti G, Fabi M, Montin D, Meneghel A, Consolaro A, Dellepiane RM, Maggio MC, La Torre F, Marchesi A, Simonini G, Villani A, Cimaz R, Ravelli A, Taddio A Maria Concetta Alberelli: UOC Pediatria, Marche-Nord, Clotilde Alizzi: Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialities 'G. D’Alessandro', University of Palermo, Palermo Italy, Patrizia Barone: Unità Operativa Complessa di Broncopneumologia Pediatrica AOU 'Policlinico - Vittorio Emanuele Via Santa Sofia 78 Catania, Lucia Augusta Baselli: Pediatric Intermediate Care Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milan Italy, Veronica Bennato: U. O. Pediatria, Ospedale A, Manzoni Lecco, Francesca Biscaro: UOC Pediatria, Ospedale Ca’ Foncello, Treviso, Grazia Bossi: UOC Pediatria, Fondazione IRCCS Policlinico San Matteo, Pavia Italy, Andrea Campana: Bambino Gesù Children’s Hospital, Rome Italy, Maurizio Carone: UO Malattie Infettive, Ospedale Pediatrico ‘Giovanni XXIII’, Bari Italy, Adele Civino: U. O. C. Pediatria P. O. Vito Fazzi, Lecce, Giovanni Conti: Nefrologia e Reumatologia Pediatrica con Dialisi, Azienda Ospedaliero-Universitario 'G. Martino', Eleonora Dei Rossi: University of Trieste, Trieste Italy, Emanuela Del Giudice: Department of Maternal Infantile and Urological Sciences, Sapeinza University of Rome, Polo Pontini, Alice Dell’Anna: U. O. C. Pediatria P. O. Vito Fazzi Lecce, Maia De Luca: Bambino Gesù Children’s Hospital, Piazza S. Onofrio n. 4, 00165 Rome, Italy, Enrico Felici: Pediatric and Pediatric Emergency Unit, The Children Hospital, AO SS Antonio e Biago e C. Arrigo, Alessandria Italy, Giovanni Filocamo: Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milano, Ilenia Floretta: Pediatria, Ospedale Santa Chiara, Trento Italy, Maria Loreta Foschini: SC Pediatria, PO SAN MICHELE AOBrotzu, Cagliari Italy, Marcello Lanari: Department of Pediatrics, University of Bologna, IRCCS S. Orsola-Malpighi Hospital, Bologna Italy, Bianca Lattanzi: SOD Pediatria, Ospedali Riuniti, Ancona Italy, Alessandra Lazzerotti: Clinica Pediatrica, Università Milano Bicocca, Fondazione MBBM - onlus c/o Ospedale San Gerardo, Monza Italy, Francesco Licciardi: Department of Pediatrics and Public Health, University of Turin, Turin Italy, Alessandra Manerba: Child Cardiology, ASST Spedali Civili di Brescia and University of Brescia, Brescia Italy, Savina Mannarino: Division of Cardiology, Children’s Hospital V Buzzi, ASST FBF Sacco, Achille Marino: Department of Pediatrics, Desio Hospital, ASST Monza, Desio Italy, Agostina Marolda: Pediatrics and Neonatology Dipartment, ASST Ovest Milanese, 'G. Fornaroli' Hospital, Magenta Milan, Laura Martelli: Paediatric Department, Hospital Papa Giovanni XXIII, Bergamo Italy, Giorgia Martini, Department of Woman’s and Child’s Health, University of Padova, Padua Italy, Angela Mauro: Department of Paediatrics, Emergency Department, Santobono-Pausilipon Children’s Hospital, Naples, Italy. Maria Vincenza Mastrolia: Pediatric Rheumatology Unit, AOU Meyer, University of Florence, Florence, Italy. Angelo Mazza: Paediatric Department, Angela Miniaci: Clinica Pediatrica, Reumatologia, Azienda Ospedaliero-Universitaria di Bologna, Francesca Minoia: Fondazione IRCCS Cà Granda, Alma Olivieri: Dipartimento della donna, del bambino e di chirurgia generale e specialistica, Università della Campania, 'L Vanvitelli, Napoli, Guido Pennoni: Dipartimento Materno-Infantile, Gubbio-Gualdo Tadino, Italy, Rossana Pignataro: UOC Pediatria e Neonatologia, ASST Lodi, Lodi, Francesca Ricci, Clinica Pediatrica, ASST Spedali Civili di Brescia e Università degli Studi di Brescia, Donato Rigante: Department of Pediatrics, Univarsità Cattolica Sacro Cuore, Matilde Rossi: UOC di Pediatrai e Neonatologia, Ospedale di Macerata, Macerata, Claudia Santagati: Dipartimento di Pediatria, Ospedale di Rovigo, Rovigo, Martina Soliani: Pediatria ASST Cremona, Italy, Silvia Sonego: University of Trieste, Domenico Sperlì: UOC di Pediatria, S. O. 'Annunziata' - A. O. di Cosenza, Sara Stucchi: Maternal and Child Health, Division of Paediatrics, ASST Grande Ospedale Metropolitano Niguarda, Milano Italy, Barbara Teruzzi: Maternal and Child Health, Elpidio Tierno: UOC di Pediatria, Dipartimento della Salute della Donna e del Bambin, AORN 'Sant’Anna e San Sebastiano'- Caserta, Tatiana Utytatnikova: Dipartimento Materno-Infantile, Pediatria, ASST Bergamo-EST, Seriate Bergamo, Piero Valentini, Department of Pediatrics, Gianluca Vergine, UOC Pediatria Rimini, Ospedale Infermi, ASL Romagna, Rimini Italy., Cattalini, Marco, Della Paolera, Sara, Zunica, Fiammetta, Bracaglia, Claudia, Giangreco, Manuela, Verdoni, Lucio, Meini, Antonella, Sottile, Rita, Caorsi, Roberta, Zuccotti, Gianvincenzo, Fabi, Marianna, Montin, Davide, Meneghel, Alessandra, Consolaro, Alessandro, Dellepiane, Rosa Maria, Maggio, Maria Cristina, La Torre, Francesco, Marchesi, Alessandra, Simonini, Gabriele, Villani, Alberto, Cimaz, Rolando, Ravelli, Angelo, Taddio, Andrea, Cattalini, M, Della Paolera, S, Zunica, F, Bracaglia, C, Giangreco, M, Verdoni, L, Meini, A, Sottile, R, Caorsi, R, Zuccotti, G, Fabi, M, Montin, D, Meneghel, A, Consolaro, A, Dellepiane, Rm, Maggio, Mc, La Torre, F, Marchesi, A, Simonini, G, Villani, A, Cimaz, R, Ravelli, A, Taddio, A Maria Concetta Alberelli: UOC Pediatria, Marche-Nord, Clotilde Alizzi: Department of Health Promotion Sciences Maternal and Infantile, Care, Internal Medicine and Medical Specialities 'G., D’Alessandro', University of, Palermo, Palermo, Italy, Patrizia Barone: Unità Operativa Complessa di Broncopneumologia Pediatrica AOU 'Policlinico, - Vittorio Emanuele Via Santa Sofia 78 Catania, Lucia Augusta Baselli: Pediatric Intermediate Care, Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore, Policlinico, Milan, Italy, Veronica Bennato: U. O., Pediatria, Ospedale, A, Manzoni, Lecco, Francesca Biscaro: UOC, Pediatria, Ospedale Ca’, Foncello, Treviso, Grazia Bossi: UOC, Pediatria, Fondazione IRCCS Policlinico San, Matteo, Pavia, Italy, Andrea Campana: Bambino Gesù Children’s, Hospital, Rome, Italy, Maurizio Carone: UO Malattie, Infettive, Ospedale Pediatrico ‘Giovanni, Xxiii’, Bari, Italy, Adele Civino: U. O. C. Pediatria P. O. Vito Fazzi, Lecce, Giovanni Conti: Nefrologia e Reumatologia Pediatrica con Dialisi, Azienda Ospedaliero-Universitario 'G. Martino', Eleonora Dei Rossi: University of, Trieste, Trieste, Italy, Emanuela Del Giudice: Department of Maternal Infantile and Urological, Science, Sapeinza University of, Rome, Polo, Pontini, Alice Dell’Anna: U. O. C. Pediatria P. O., Vito Fazzi Lecce, Maia De Luca: Bambino Gesù Children’s, Hospital, Piazza, S. Onofrio n. 4., 00165, Rome, Italy, Enrico Felici: Pediatric and Pediatric Emergency, Unit, The Children, Hospital, AO SS Antonio e Biago e C., Arrigo, Alessandria, Italy, Giovanni Filocamo: Fondazione IRCCS Cà, Granda, Ospedale Maggiore, Policlinico, Milano, Ilenia Floretta:, Pediatria, Ospedale Santa, Chiara, Trento, Italy, Maria Loreta Foschini: SC, Pediatria, PO SAN MICHELE, Aobrotzu, Cagliari, Italy, Marcello Lanari: Department of, Pediatric, University of, Bologna, IRCCS S., Orsola-Malpighi Hospital, Bologna, Italy, Bianca Lattanzi: SOD, Pediatria, Ospedali, Riuniti, Ancona, Italy, Alessandra Lazzerotti: Clinica, Pediatrica, Università Milano, Bicocca, Fondazione MBBM, - onlus c/o Ospedale San Gerardo, Monza, Italy, Francesco Licciardi: Department of Pediatrics and Public, Health, University of, Turin, Turin, Italy, Alessandra Manerba: Child, Cardiology, ASST Spedali Civili di Brescia and University of, Brescia, Brescia, Italy, Savina Mannarino: Division of, Cardiology, Children’s Hospital, V Buzzi, ASST FBF, Sacco, Achille Marino: Department of, Pediatric, Desio, Hospital, Asst, Monza, Desio, Italy, Agostina Marolda: Pediatrics and Neonatology, Dipartment, ASST Ovest, Milanese, 'G., Fornaroli' Hospital, Magenta, Milan, Laura Martelli: Paediatric, Department, Hospital Papa Giovanni, Xxiii, Bergamo, Italy, Giorgia, Martini, Department of Woman’s and Child’s, Health, University of, Padova, Padua, Italy, Angela Mauro: Department of, Paediatric, Emergency, Department, Santobono-Pausilipon Children’s, Hospital, Naples, Italy., Maria Vincenza Mastrolia: Pediatric Rheumatology Unit, Aou, Meyer, University of, Florence, Florence, Italy., Angelo Mazza: Paediatric Department, Angela Miniaci: Clinica, Pediatrica, Reumatologia, Azienda Ospedaliero-Universitaria di, Bologna, Francesca Minoia: Fondazione IRCCS Cà, Granda, Alma Olivieri: Dipartimento della, Donna, del bambino e di chirurgia generale, e specialistica, Università della, Campania, 'L, Vanvitelli, Napoli, Claudio, Guido Pennoni: Dipartimento, Materno-Infantile, Gubbio-Gualdo Tadino, Italy, Rossana Pignataro: UOC Pediatria, e Neonatologia, Asst, Lodi, Lodi, Francesca, Ricci, Clinica, Pediatrica, ASST Spedali Civili di Brescia, e Università degli Studi di Brescia, Donato Rigante: Department of, Pediatric, Univarsità Cattolica Sacro, Cuore, Matilde Rossi: UOC di Pediatrai, e Neonatologia, Ospedale di, Macerata, Macerata, Claudia Santagati: Dipartimento di, Pediatria, Ospedale di, Rovigo, Rovigo, Martina Soliani: Pediatria ASST Cremona, Italy, Silvia Sonego: University of, Trieste, Domenico Sperlì: UOC di Pediatria, S. O. 'Annunziata' - A. O. di Cosenza, Sara Stucchi: Maternal and Child, Health, Division of, Paediatric, ASST Grande Ospedale Metropolitano, Niguarda, Milano, Italy, Barbara Teruzzi: Maternal and Child, Health, Elpidio Tierno: UOC di, Pediatria, Dipartimento della Salute della Donna, e del Bambin, AORN 'Sant’Anna, e San Sebastiano'- Caserta, Tatiana Utytatnikova: Dipartimento, Materno-Infantile, Pediatria, Asst, Bergamo-EST, Seriate, Bergamo, Piero, Valentini, Department of, Pediatric, Gianluca, Vergine, UOC Pediatria, Rimini, Ospedale, Infermi, Asl, Romagna, Rimini, Italy., Cattalini M., Della Paolera S., Zunica F., Bracaglia C., Giangreco M., Verdoni L., Meini A., Sottile R., Caorsi R., Zuccotti G., Fabi M., Montin D., Meneghel A., Consolaro A., Dellepiane R.M., Maggio M.C., La Torre F., Marchesi A., Simonini G., Villani A., Cimaz R., Ravelli A., Taddio A., Adamoli P., Alberelli M.C., Alizzi C., Barone P., Bennato V., Biscaro F., Bossi G., Campana A., Carone M., Civino A., Conti G., Rossi E.D., Del Giudice E., Dell'Anna A., De Luca M., Felici E., Filocamo G., Floretta I., Foschini M.L., Lanari M., Lattanzi B., Lazzerotti A., Licciardi F., Manerba A., Mannarino S., Marino A., Marolda A., Martelli L., Martini G., Mauro A., Mastrolia M.V., Mazza A., Miniaci A., Minoia F., Olivieri A., Pennoni G., Pignataro R., Ricci F., Rigante D., Rossi M., Santagati C., Soliani M., Sonego S., Sperli D., Stucchi S., Teruzzi B., Tierno E., Utytatnikova T., Valentini P., and Vergine G.

Subjects
Coronary artery abnormalities, Hypotension, Kawasaki disease, Multisystem inflammatory syndrome associated with coronavirus disease, Myocarditis, Pediatric inflammatory multisystem syndrome-temporally associated to SARS-CoV-2 infection, SARS-CoV-2, Age Distribution, Antirheumatic Agents, Aspirin, C-Reactive Protein, COVID-19, Child, Child, Preschool, Coronary Artery Disease, Cough, Diarrhea, Dyspnea, Female, Glucocorticoids, Heart Failure, Humans, Hyperferritinemia, Immunoglobulins, Intravenous, Immunologic Factors, Infant, Intensive Care Units, Pediatric, Interleukin 1 Receptor Antagonist Protein, Italy, Lymphopenia, Male, Mucocutaneous Lymph Node Syndrome, Platelet Aggregation Inhibitors, Shock, Systemic Inflammatory Response Syndrome, Tachypnea, Troponin T, Vomiting, lcsh:Diseases of the musculoskeletal system, coronary artery abnormalities, hypotension, kawasaki disease, multisystem inflammatory syndrome associated with coronavirus disease, myocarditis, pediatric inflammatory multisystem syndrome-temporally associated to SARS-CoV-2 infection, age distribution, antirheumatic agents, aspirin, C-reactive protein, child, preschool, coronary artery disease, cough, diarrhea, yspnea, female, glucocorticoids, heart failure, humans, hyperferritinemia, immunoglobulins, intravenous, immunologic factors, infant, intensive care units, pediatric, interleukin 1 receptor antagonist protein, italy, lymphopenia, male, mucocutaneous lymph node syndrome, platelet aggregation inhibitors, shock, systemic inflammatory response syndrome, tachypnea, troponin T, vomiting, Myocarditi, 030204 cardiovascular system & hematology, SARS-CoV-2, Kawasaki disease, Pediatric inflammatory multisystem syndrome-temporally associated to SARS-CoV-2 infection, Myocarditis, Hypotension, Multisystem inflammatory syndrome associated with coronavirus disease, Coronary artery abnormalities, Coronary artery disease, Settore MED/38 - Pediatria Generale E Specialistica, 0302 clinical medicine, Glucocorticoid, Immunologic Factor, Immunology and Allergy, Coronary artery abnormalitie, Fisher's exact test, Pediatric, biology, lcsh:RJ1-570, Antirheumatic Agent, Settore MED/38, Intensive Care Units, Cohort, symbols, Platelet aggregation inhibitor, Intravenous, Human, Research Article, medicine.medical_specialty, Immunoglobulins, 03 medical and health sciences, symbols.namesake, Rheumatology, Internal medicine, medicine, Preschool, 030203 arthritis & rheumatology, business.industry, Platelet Aggregation Inhibitor, lcsh:Pediatrics, medicine.disease, Systemic inflammatory response syndrome, Immunoglobulins, Intravenou, Pediatrics, Perinatology and Child Health, biology.protein, lcsh:RC925-935, business
Abstract

Background There is mounting evidence on the existence of a Pediatric Inflammatory Multisystem Syndrome-temporally associated to SARS-CoV-2 infection (PIMS-TS), sharing similarities with Kawasaki Disease (KD). The main outcome of the study were to better characterize the clinical features and the treatment response of PIMS-TS and to explore its relationship with KD determining whether KD and PIMS are two distinct entities. Methods The Rheumatology Study Group of the Italian Pediatric Society launched a survey to enroll patients diagnosed with KD (Kawasaki Disease Group – KDG) or KD-like (Kawacovid Group - KCG) disease between February 1st 2020, and May 31st 2020. Demographic, clinical, laboratory data, treatment information, and patients’ outcome were collected in an online anonymized database (RedCAP®). Relationship between clinical presentation and SARS-CoV-2 infection was also taken into account. Moreover, clinical characteristics of KDG during SARS-CoV-2 epidemic (KDG-CoV2) were compared to Kawasaki Disease patients (KDG-Historical) seen in three different Italian tertiary pediatric hospitals (Institute for Maternal and Child Health, IRCCS “Burlo Garofolo”, Trieste; AOU Meyer, Florence; IRCCS Istituto Giannina Gaslini, Genoa) from January 1st 2000 to December 31st 2019. Chi square test or exact Fisher test and non-parametric Wilcoxon Mann-Whitney test were used to study differences between two groups. Results One-hundred-forty-nine cases were enrolled, (96 KDG and 53 KCG). KCG children were significantly older and presented more frequently from gastrointestinal and respiratory involvement. Cardiac involvement was more common in KCG, with 60,4% of patients with myocarditis. 37,8% of patients among KCG presented hypotension/non-cardiogenic shock. Coronary artery abnormalities (CAA) were more common in the KDG. The risk of ICU admission were higher in KCG. Lymphopenia, higher CRP levels, elevated ferritin and troponin-T characterized KCG. KDG received more frequently immunoglobulins (IVIG) and acetylsalicylic acid (ASA) (81,3% vs 66%; p = 0.04 and 71,9% vs 43,4%; p = 0.001 respectively) as KCG more often received glucocorticoids (56,6% vs 14,6%; p Conclusion Our study suggests that SARS-CoV-2 infection might determine two distinct inflammatory diseases in children: KD and PIMS-TS. Older age at onset and clinical peculiarities like the occurrence of myocarditis characterize this multi-inflammatory syndrome. Our patients had an optimal response to treatments and a good outcome, with few complications and no deaths.

Published
2020

5. Quality of life in long term survivors of pediatric intestinal transplantation compared with liver transplantation and home parenteral nutrition: A prospective single-center pilot study

Author

Olivier Goulet, Giulia D’Arcangelo, Cécile Lambe, Amel Ayachi, Florence Lacaille, Cécile Talbotec, Christophe Chardot, Adamadia Metou‐Lopes, Andrea Faragalli, Matilde Rossi, and Francesco Proli

Subjects
Male, Pediatrics, medicine.medical_specialty, Adolescent, medicine.medical_treatment, 030232 urology & nephrology, Pilot Projects, 030230 surgery, Liver transplantation, Single Center, Child health, Intestinal Failure, 03 medical and health sciences, 0302 clinical medicine, Quality of life, Global health, medicine, Humans, Prospective Studies, Survivors, Child, Transplantation, business.industry, Mental health, Liver Transplantation, Intestines, Parenteral nutrition, Cross-Sectional Studies, Pediatrics, Perinatology and Child Health, Quality of Life, Female, business, Parenteral Nutrition, Home
Abstract

Health-related quality of life (HRQOL) after intestinal transplantation (IT) is important, as many psychological troubles have been reported in these patients on the long term. Our aim was to assess and compare HRQOL of patients after IT to patients after liver transplantation (LT) or on home parenteral nutrition (HPN) for intestinal failure. A cross-sectional study included patients and their parents between 10 and 18 years of age, on HPN for more than 2 years, or who underwent IT or LT, with a graft survival longer than 2 years. Quality of life was explored by Child Health Questionnaire. Thirteen children-parents dyads after IT, 10 after LT, and eight children on HPN completed the survey. Patients were a median age of 14 years old, a median of 10 years post-transplantation or on HPN. Patients after IT scored lower than patients after LT or on HPN in "social limitations due to behavioral difficulties" and in "behavior." They scored higher than those on HPN in "global health." Parents of children after IT scored lower than those after LT in many domains. No relevant correlation with clinical data was found. Our study showed the multi-level impact of IT on quality of life of patients and their parents. It highlights the importance of a regular psychological follow-up for patients, but also of a psychological support for families. Helping the patients to overcome the difficulties at adolescence may improve their mental health in adulthood.

Published
2021

7. Frontispiz: Dye‐Doped Silica Nanoparticles for Enhanced ECL‐Based Immunoassay Analytical Performance

Author

Francesco Palomba, Sara Rebeccani, Matilde Rossi Scota, Massimo Marcaccio, Alessandra Zanut, Luca Prodi, Francesco Paolucci, Giovanni Valenti, Enrico Rampazzo, and Damiano Genovese

Subjects
Silica nanoparticles, Materials science, medicine.diagnostic_test, Immunoassay, medicine, Electrochemiluminescence, Nanotechnology, General Medicine, Electrochemistry, Dye doped, Nanomaterials
Published
2020

8. Dye-Doped Silica Nanoparticles for Enhanced ECL-Based Immunoassay Analytical Performance

Author

Luca Prodi, Giovanni Valenti, Sara Rebeccani, Matilde Rossi Scota, Massimo Marcaccio, Francesco Paolucci, Enrico Rampazzo, Damiano Genovese, Alessandra Zanut, Francesco Palomba, Zanut A., Palomba F., Rossi Scota M., Rebeccani S., Marcaccio M., Genovese D., Rampazzo E., Valenti G., Paolucci F., and Prodi L.

Subjects
Materials science, ECL imaging, Surface Properties, Nanoparticle, Context (language use), Nanotechnology, silica nanoparticles, 010402 general chemistry, Electrochemistry, 01 natural sciences, Catalysis, Nanomaterials, Silica nanoparticles, electrochemiluminescence, medicine, Organometallic Compounds, Electrochemiluminescence, Humans, Microemulsion, Particle Size, Coloring Agents, Dye doped, nanomaterials, electrochemistry, Electrochemical Techniques, Luminescent Measurements, Molecular Structure, Nanoparticles, Silicon Dioxide, Immunoassay, medicine.diagnostic_test, 010405 organic chemistry, Doping, General Chemistry, 0104 chemical sciences, nanomaterial, Nuclear chemistry
Abstract

Electrochemiluminescence (ECL) is a leading technique in bioanalysis.[1] It is a luminescent phenomenon where the excited species are produced with an electrochemical stimulus rather than with a light excitation source. For this reason, ECL displays improved signal-to-noise ratio compared to photoluminescence, with minimized effects due to light scattering and luminescence background.[2] Chasing ever-increasing sensitivities, ECL can ideally be coupled to nanotechnology to develop new strategies for clinical applications and analyte determination also in real and complex matrices.[3] In particular, dye-doped silica nanoparticles (DDSNs) present many advantages: they can be easily synthesized, are hydrophilic and are prone to bioconjugation thanks to silica chemistry. With this approach we were able to achieve extremely bright systems and DDSNs allow the 8.5 fold increase of ECL intensity.[4] In DDSNs, light emission is influenced by the combination of several factors that make DDSNs complex multichromophoric structures. However, when ECL comes into play, the scenario is even more complicated due to the coreactant−NP interactions effect. Such complex scenario was approached at the theoretical level by developing suitable mechanistic models for ECL generation[5] while, at the same time, the influence of doping level on ECL efficiency was evaluated. Our results showed that the ECL intensity of a nanosized system cannot be merely incremented acting on doping, since other parameters come into play. These studies support the application in ECL microscopy providing valuable indications for the design of more efficient ECL nano- and micro-sized labels towards more sensitive ECL-based immunoassay for bioanalysis applications. [6] References [1] W. Miao, “Electrogenerated Chemiluminescence and Its Biorelated Applications”, Chem. Rev., 2008, vol. 108, pp. 2506–2553. [2] Z. Liu, W. Qi, G. Xu, “Recent advances in electrochemiluminescence”, Chem. Soc. Rev., 2015, vol. 44, pp. 3117–3142. [3] C. Ma, Y. Cao, X. Gou, J. J. Zhu, “Recent progress in electrochemiluminescence sensing and imaging”, Anal. Chem., 2015, vol. 92, pp. 431-454. [4] G. Valenti, E. Rampazzo, S. Bonacchi, L. Petrizza, M. Marcaccio, M. Montalti, L. Prodi, F. Paolucci, “Variable Doping Induces Mechanism Swapping in Electrogenerated Chemiluminescence of Ru(bpy) 3 2+ Core–Shell Silica Nanoparticles”, J. Am. Chem. Soc., 2016, vol. 138, pp. 15935–15942. [5] E. Daviddi, A. Oleinick, I. Svir, G. Valenti, F. Paolucci, C. Amatore, “Theory and Simulation for Optimising Electrogenerated Chemiluminescence from Tris(2,2′-bipyridine)-ruthenium(II)-Doped Silica Nanoparticles and Tripropylamine”, ChemElectroChem, 2017, vol. 4, pp. 1719–1730. [6] A. Zanut, F. Palomba, M. Rossi Scota, S. Rebeccani, M. Marcaccio, D. Genovese, E. Rampazzo, G. Valenti, F. Paolucci, L. Prodi, "Dye‐Doped Silica Nanoparticles for Enhanced ECL‐Based Immunoassay Analytical Performance", Angew. Chemie Int. Ed., 2020, vol. 132, pp. 22042-22047 Figure 1

Published
2020

9. P1.20: Quality of life in children after intestinal transplantation: comparison with liver transplantation and home parenteral nutrition

Author

Olivier Goulet, Cécile Talbotec, Florence Lacaille, Francesco Proli, Giulia D’Arcangelo, Matilde Rossi, and Cécile Lambe

Subjects
Transplantation, medicine.medical_specialty, Quality of life (healthcare), Parenteral nutrition, business.industry, medicine.medical_treatment, Medicine, Liver transplantation, business, Intensive care medicine
Published
2019

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