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1. WAO International Scientific Conference (WISC 2016) Abstracts

Author

Jun Bao, Yi-Hui Wang, Quan-Hua Liu, Yi-Xiao Bao, Nurit Azouz, Julie Caldwell, Leanne Ray, Mark Rochman, Melissa Mingler, Matthew Eilerman, Ting Wen, Jocelyn Biagini Myers, Gurjit Khurana Hershey, Leah Kottyan, Lisa Martin, Rothenberg Marc, Victor Gonzalez-Uribe, Jaime Del Rio-Chivardi, Blanca Del Rio-Navarro, Hongfei Lou, Siyuan Ma, Yan Zhao, Feifei Cao, Fei He, Zhongyan Liu, Chengshuo Wang, Claus Bachert, Luo Zhang, Elissa Abrams, Allan Becker, Amit Kandhare, Subhash Bodhankar, Nicole Grossman, Gheorghe Doros, Francine Laden, Anne Fuhlbrigge, Michael Wechsler, Wilson Pace, Barbara Yawn, Elliot Israel, Junehyuk Lee, Frederick Adler, Peter Kim, Yung Feng Huang, Ying Yao Chen, Chiun Yen Pan, Herng Sheng Lee, Michael Khalemsky, David G. Schwartz, Pavel Kolkhir, Dmitry Pogorelov, Nikolay Kochergin, Hirsh Komarow, Michael Young, Robin Eisch, Linda Scott, Dean Metcalfe, Alexander Singer, Andrew Wakeman, Thomas Gerstner, Woo-Jung Song, Ji-Su Shim, Ha-Kyeong Won, Sung-Yoon Kang, Kyoung-Hee Sohn, Byung-Keun Kim, Eun-Jung Jo, Min-Hye Kim, Sang-Heon Kim, Heung-Woo Park, Sun-Sin Kim, Yoon-Seok Chang, Alyn H. Morice, Byung-Jae Lee, Sang-Heon Cho, Kyung-Up Min, Maria Assunta Boscolo, Giulio Brivio, Sergio Bosisio, Nicoletta Manzocchi, Edoardo Pulixi, Giulia Grignani, Eloisia D’Andrea, Massimo Ricci, Elena Passini, Maurizio Italia, Marilyn Urrutia-Pereira, Stefani Fagundes, Vinicius Jardim Oliano, Dirceu Solé, Sadia Benzaquen, Alejandro Aragaki, Ricardo Balestra, Dawn Harden, Danielle Caudell-Stamper, Gilbert Glady, Mark Holbreich, Nataliya Lyakhovska, Igor Kaidashev, Jaromir Bystron, Beata Hutyrova, Galina Balakirski, Luk Vanstreels, Gerda Wurpts, Hans F. Merk, Jens Malte Baron, Johanna Plange, Hans-Peter Rihs, Monika Raulf, Stefani Roeseler, Alberto Tolcachier, Armando Chamorro, Ruth Otero, Joel Brooks, Michael Hess, Jared Benz, Joseph MacDonald, Usma Chatha, Dale Lent, Şükran Köse, Bengü Gireniz Tatar, Gülgün Akkoçlu, İbrahim Çukurova, İlker Ödemiş, Ayşin Kılınç Toker, Abdullahi Hasssan, Abdulrazaq Abdullahi Gobir, Cheol-Woo Kim, Young Hwa Choi, Jeong Hye Lee, Rae Jeong Cho, Yu Ran Nam, Joo Hyun Nam, Woo Kyung Kim, Ivana Filipovic, Zorica Zivkovic, Djordje Filipovic, Dana Shik, Andrew Smith, Wang Yui Hsi, Stuart Friedman, Yonatan Gizaw, Rima Bakhda, Kumail Mohammed, Richard Wasserman, Angela Hague, Deanna Pence, Joanna Rolen, Robert Sugerman, Stacy Silvers, Qurat Kamili, Nadezhda Knauer, Alexandr Zazernyi, Elena Blinova, Daria Demina, Vladimir Kozlov, Komal Agrawal, Sagar Kale, Naveen Arora, Volha Vasilkova, Tatiana Mokhort, William Silvers, Rachel Eisenberg, Rushita Mehta, Arye Rubinstein, Antony Aston, Paul Turner, Monica Ruiz-Garcia, Robert Boyle, Simon Brown, Yael Dinur Schejter, Adi Ovadia, Vy Kim, Brenda Reid, Chaim Roifman, Lana Rosenfield, Ernie Avilla, Laurie Harada, Marilyn Allen, Susan Waserman, Ho Joo Yoon, Gun Woo Koo, Suk-Il Chang, Hye-Ran Yoon, Dong Won Park, Tai Sun Park, Ji-Yong Moon, Tae Hyung Kim, Jang Won Sohn, Dong Ho Shin, Tsici Jorjoliani, Lia Jorjoliani, Nino Adamia, Nona katamadze, Deepika Ramachandra, Liana Jorjoliani, Rusudan Karseladze, Lali Saginadze, Natalia Chkuaseli, Anna Dolgova, Olga Stukolova, Anna Sudina, Anna Cherkashina, German Shipulin, Richard Rosenthal, Harvey Howe, Paul Knause, Rony Greemberg, Jean Jacques De Bruycker, Isabel Fernandez, Françoise Le Deist, Elie Haddad, Yeong Ho Rha, Kyung Suk Lee, Sun Hee Choi, Herman Tam, Estelle Simons, Elinor Simons, Maria Golebiowska-Wawrzyniak, Katarzyna Markiewicz, Yoram Faitelson, Miguel Stein, Avigdor Mandelberg, Ilan Dalal, Michael Levin, Lelani Hobane, Wisdom Basera, Maresa Botha, Claudia Gray, Heather Zar, Biserka Jovkovska Kjaeva, Zoran Arsovski, Vesna Grivcheva-Panovska, Adeyinka Odebode, Adedotun Adekunle, Peter Adeonipekun, Ebenezer Farombi, Nadezhda Camacho-Ordoñez, Alejandrina Josefina Martinez-Vázquez, María de la Luz H. García-Cruz, Qi Tan, Rui Min, Guan-qun Dai, Wei-Ping Xie, Huang Mao, Hong Wang, Rakesh Yadav, Sneha Singh, Divya Yadav, Ekaterina Khaleva, Henry T. Bahnson, Amber Franz, Lene Heise Garvey, Nicola Jay, Rubaiyat Haque, Adam Fox, Gideon Lack, George du Toit, Snezana Radic, Branislava Milenkovic, Ana Neskovic, Ljiljana Danojevic, Liat Nachshon, Michael Goldberg, Michael Levy, Yitzhak Katz, Arnon Elizur, Cristine Rosario, Juliana Kasper, Herbeto Chong-Neto, Carlos Riedi, Nelson Rosario, Michael B. Levy, Ronly Har-Even, Mor Carmel, Michael R. Goldberg, Maia Kherkheulidze, Nani Kavlashvili, Eka Kandelaki, Nino Adamai, Irma Ubiria, Andrea Burke, Monika Kastner, Denica Zheleva, Razvigor Darlenski, Konstantinos Bozinakis, Anastasios Kriebardis, Sofia Styliara, Aikaterini Karastathi, Nikolaos Farmakas, Maria Luiza Kraft Kohler Ribeiro, Ana Carolina Barcellos, Hannah Gabriele Ferreira Silva, Luís Henrique Mattei Carletto, Marcela Carolina Bet, Nathalia Zorze Rossetto, Nelson Augusto Rosario, Herberto Jose Chong-Neto, Fernanda Valença, Marina Novaes, Mariana Gomes, Carla Seifert, Alfredo Neto, Flavia Loyola, José Rios, Tatiana Silva, Aline Neves, Oznur Abadoglu, Bilun Gemicioglu, Hasan Bayram, Arif Cimrin, Levent Akyildiz, Aykut Cilli, Hakan Gunen, Tevfik Ozlu, Mecit Suerdem, Esra Uzaslan, Zeynep Misirligil, Snezana Ristic-Stojanovic, A. Milicevic, A. Milenkovic, Jelena Cvejic, Jelena Jankovic, Sanja Dimic-Janjic, Natasa Djurdjevic, Vladyslava Barzylovych, Tetiana Umanets, Anastasia Barzylovych, Karyn Winkler, Jessica Margarinos, Dylan Martin, Maja Nowakowski, Rauno Joks, Tsili Zangen, Olga Bernadsky, Mona Boaz, Gratiana Hermann, Rachel Aviv, Olga Kuperboim, Larisa Ramichanov, Efrat Broide, Raanan Shamir, Noam Zevit, Ron Shaoul, Alex Fich, Arie Levine, Isaac Melamed, Roopesh Singh Gangwar, Yael Minai-Fleminger, Mansour Seaf, Amichai Gutgold, Aarti Shikotra, Anoop Chauhan, Stephen Holgate, Peter Bradding, Peter Howarth, Ron Eliashar, Neville Berkman, Francesca Levi-Schaffer, Sung-il Woo, Betul Celik, Tangul Bulut, Arzu Didem Yalcin, Luiz Querino Caldas, Ronit Confino-Cohen, Yossi Rosman, Arnon Goldberg, Oded Breuer, Roopesh Singh, Ahlam Barhoum, Eitan Kerem, Tatiana Slavyanskaya, Revaz Sepiashvili, Elena A. Blinova, Ekaterina A. Pashkina, Marina I. Leonova, Vera M. Nepomnyaschikh, Darya V. Demina, Vladimir A. Kozlov, Revital Shamri, Kristen M. Young, Peter F. Weller, Rodolfo de Paula Vieira, Manoel Carneiro Oliveira-Junior, Nilsa Regina Damasceno-Rodrigues, Fernanda Magalhães Arantes-Costa, Milton Arruda Martins, Ana Paula Ligeiro Oliveira, Alfred Bernard, Antonia Sardella, Catherine Voisin, Simon Royce, Hamish Philpott, Sanjay Nandurkar, Francis Thien, Peter Gibson, Rodolfo Bianchini, Franziska Roth-Walter, Anna Ohradanova-Repic, Gerlinde Hofstetter, Ina Herrmann, Maria Isabel Carvalho, Karin Hufnagl, Erika Bajna, Georg Roth, Hannes Stockinger, Erika Jensen-Jarolim, Meital Almog, Aharon Kessel, Larisa Apov, Carlos Sanchez Salguero, Alvaro Sanchez Chacon, Abbos Nazarov, Shaxbos Ergashev, Irina Nesterova, Svetlana Kovaleva, Galina Chudilova, Ludmila Lomtatidze, Sarah De Schryver, Alizee Dery, Ann Clarke, Kari Nadeau, Kimberly Weatherall, Celia Greenwood, Denise Daley, Yuka Asai, Moshe Ben-Shoshan, Irina Balmasova, Elena Malova, Stefanie Wagner, Luis F. Pacios, Michael Wallner, Markus Wiederstein, Anna E. Tevs, Nataly Tataurshchikova, Baigalmaa Sangidorj, Anna Ronzhina, Manana Chikhladze, Oliver F. Wirz, Willem van de Veen, David Mirer, Hideaki Morita, Can Altunbulakli, Sebastian L. Johnston, Nicholas Glanville, Nikolaos G. Papadopoulos, Cezmi A. Akdis, Mübeccel Akdis, Avner Reshef, Marc Riedl, Vesna Grivcheva Panovska, Dumitru Moldovan, James Baker, William H. Yang, Sladjana Andrejevic, Richard F. Lockey, Roman Hakl, Shmuel Kivity, Luca Bellizzi, Joseph R. Harper, Anurag Relan, and Marco Cicardi

Subjects
Immunologic diseases. Allergy, RC581-607
Published
2017
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2. Detrimental NFKB1 missense variants affecting the Rel-homology domain of p105/p50

Author

Manfred Fliegauf, Matias Kinnunen, Sara Posadas-Cantera, Nadezhda Camacho-Ordonez, Hassan Abolhassani, Laia Alsina, Faranaz Atschekzei, Delfien J. Bogaert, Siobhan O. Burns, Joseph A. Church, Gregor Dückers, Alexandra F. Freeman, Lennart Hammarström, Leif Gunnar Hanitsch, Tessa Kerre, Robin Kobbe, Svetlana O. Sharapova, Kathrin Siepermann, Carsten Speckmann, Sophie Steiner, Nisha Verma, Jolan E. Walter, Emma Westermann-Clark, Sigune Goldacker, Klaus Warnatz, Markku Varjosalo, and Bodo Grimbacher

Subjects
primary immunodeficiency, inborn errors of immunity (IEI), NFKB1, common variable immunodeficiency (CVID), NF-kappaB signaling pathway, Immunologic diseases. Allergy, RC581-607
Abstract

Most of the currently known heterozygous pathogenic NFKB1 (Nuclear factor kappa B subunit 1) variants comprise deleterious defects such as severe truncations, internal deletions, and frameshift variants. Collectively, these represent the most frequent monogenic cause of common variable immunodeficiency (CVID) identified so far. NFKB1 encodes the transcription factor precursor p105 which undergoes limited proteasomal processing of its C-terminal half to generate the mature NF-κB subunit p50. Whereas p105/p50 haploinsufficiency due to devastating genetic damages and protein loss is a well-known disease mechanism, the pathogenic significance of numerous NFKB1 missense variants still remains uncertain and/or unexplored, due to the unavailability of accurate test procedures to confirm causality. In this study we functionally characterized 47 distinct missense variants residing within the N-terminal domains, thus affecting both proteins, the p105 precursor and the processed p50. Following transient overexpression of EGFP-fused mutant p105 and p50 in HEK293T cells, we used fluorescence microscopy, Western blotting, electrophoretic mobility shift assays (EMSA), and reporter assays to analyze their effects on subcellular localization, protein stability and precursor processing, DNA binding, and on the RelA-dependent target promoter activation, respectively. We found nine missense variants to cause harmful damage with intensified protein decay, while two variants left protein stability unaffected but caused a loss of the DNA-binding activity. Seven of the analyzed single amino acid changes caused ambiguous protein defects and four variants were associated with only minor adverse effects. For 25 variants, test results were indistinguishable from those of the wildtype controls, hence, their pathogenic impact remained elusive. In summary, we show that pathogenic missense variants affecting the Rel-homology domain may cause protein-decaying defects, thus resembling the disease-mechanisms of p105/p50 haploinsufficiency or may cause DNA-binding deficiency. However, rare variants (with a population frequency of less than 0.01%) with minor abnormalities or with neutral tests should still be considered as potentially pathogenic, until suitable tests have approved them being benign.

Published
2022
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3. Pregnancy, child bearing and prevention of giving birth to the affected children in patients with primary immunodeficiency disease; a case-series

Author

Saba Sheikhbahaei, Roya Sherkat, Nadezhda Camacho-Ordonez, Razie Khoshnevisan, Asadollah Kalantari, Mansour Salehi, Seyed Saman Nazemian, Mohammad Hossein Nasr-esfahani, and Christophe Klein

Subjects
Ataxia telangiectasia, CGD, CVID, Conception, Fertility, PGD, Gynecology and obstetrics, RG1-991
Abstract

Abstract Background Patients with primary immunodeficiency disease (PID) who survive to adulthood and willing to have a child mostly are worried whether their disease affects their fertility and/or pregnancy and also if their child would be predisposed to PID. Case presentation We report the outcome of conception, pregnancy and their management in 9 families with definite diagnosis of PID. A chronic granulomatous disease subject with an uneventful pregnancy developed fungal sacral osteomyelitis few weeks after delivery. A pregnant common variable immunodeficiency disease (CVID) patient with idiopathic thrombocytopenia had platelet count dropped before delivery. A sever neutropenic mother who refused to get IFNγ delivered two healthy children. A CVID case intolerant to IVIg with eclampsia and PTE delivered a baby. Another CVID female gave birth to a baby without being on any treatment since she was not diagnosed with immunodeficiency disease at that time. A healthy girl was implanted via preimplantation gender selection in a family who owned a Wiskott Aldrich-affected son. A family who had two children with Ataxia Telangiectasia used donated oocyte for their 3rd child. Prenatal genetic diagnosis was used to screen the fetus for the impaired BTK and CVID genes detected in sibling and father respectively in 2 separate families. Conclusion Pregnancy in PID patients is more complex than normal population. Because, not only it has the chance of being inherited by the offspring, but also there are some risks for the mother if she has any kind of immunity component defects. So consultation with a clinical geneticist is crucial to choose the best available approach. They also should be observed and followed by a clinical immunologist to take the best possible safe care.

Published
2018
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4. Clinical and Immunological Phenotype of Patients With Primary Immunodeficiency Due to Damaging Mutations in NFKB2

Author

Christian Klemann, Nadezhda Camacho-Ordonez, Linlin Yang, Zoya Eskandarian, Jessica L. Rojas-Restrepo, Natalie Frede, Alla Bulashevska, Maximilian Heeg, Moudjahed Saleh Al-Ddafari, Julian Premm, Maximilian Seidl, Sandra Ammann, Roya Sherkat, Nita Radhakrishnan, Klaus Warnatz, Susanne Unger, Robin Kobbe, Anja Hüfner, T. Ronan Leahy, Winnie Ip, Siobhan O. Burns, Manfred Fliegauf, and Bodo Grimbacher

Subjects
CVID, CID, NF-kappaB signaling, DAVID-syndrome, deficiency of anterior pituitary function and variable immunodeficiency, NF-kappaB2 clinical cases, Immunologic diseases. Allergy, RC581-607
Abstract

Non-canonical NF-κB-pathway signaling is integral in immunoregulation. Heterozygous mutations in NFKB2 have recently been established as a molecular cause of common variable immunodeficiency (CVID) and DAVID-syndrome, a rare condition combining deficiency of anterior pituitary hormone with CVID. Here, we investigate 15 previously unreported patients with primary immunodeficiency (PID) from eleven unrelated families with heterozygous NFKB2-mutations including eight patients with the common p.Arg853* nonsense mutation and five patients harboring unique novel C-terminal truncating mutations. In addition, we describe the clinical phenotype of two patients with proximal truncating mutations. Cohort analysis extended to all 35 previously published NFKB2-cases revealed occurrence of early-onset PID in 46/50 patients (mean age of onset 5.9 years, median 4.0 years). ACTH-deficiency occurred in 44%. Three mutation carriers have deceased, four developed malignancies. Only two mutation carriers were clinically asymptomatic. In contrast to typical CVID, most patients suffered from early-onset and severe disease manifestations, including clinical signs of T cell dysfunction e.g., chronic-viral or opportunistic infections. In addition, 80% of patients suffered from (predominately T cell mediated) autoimmune (AI) phenomena (alopecia > various lymphocytic organ-infiltration > diarrhea > arthritis > AI-cytopenia). Unlike in other forms of CVID, auto-antibodies or lymphoproliferation were not common hallmarks of disease. Immunophenotyping showed largely normal or even increased quantities of naïve and memory CD4+ or CD8+ T-cells and normal T-cell proliferation. NK-cell number and function were also normal. In contrast, impaired B-cell differentiation and hypogammaglobinemia were consistent features of NFKB2-associated disease. In addition, an array of lymphocyte subpopulations, such as regulatory T cell, Th17-, cTFH-, NKT-, and MAIT-cell numbers were decreased. We conclude that heterozygous damaging mutations in NFKB2 represent a distinct PID entity exceeding the usual clinical spectrum of CVID. Impairment of the non-canonical NF-κB pathways affects function and differentiation of numerous lymphocyte-subpopulations and thus causes a heterogeneous, more severe form of PID phenotype with early-onset. Further characteristic features are multifaceted, primarily T cell-mediated autoimmunity, such as alopecia, lymphocytic organ infiltration, and in addition frequently ACTH-deficiency.

Published
2019
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5. Is It Safe to Switch From Intravenous Immunoglobulin to Subcutaneous Immunoglobulin in Patients With Common Variable Immunodeficiency and Autoimmune Thrombocytopenia?

Author

Philipp Scheuerlein, Larissa Pietsch, Nadezhda Camacho-Ordonez, Veronika Reiser, Smita Patel, Siobhan O. Burns, Klaus Warnatz, and Bodo Grimbacher

Subjects
common variable immunodeficiency, autoimmune thrombocytopenia, intravenous immunoglobulin, subcutaneous immunoglobulin, immunoglobulin replacement therapy, Immunologic diseases. Allergy, RC581-607
Abstract

BackgroundA significant amount of common variable immunodeficiency (CVID) patients manifest with autoimmunity. Particularly, autoimmune thrombocytopenia (AITP) is commonly seen. Intravenous immunoglobulins (IVIG) are an established treatment option for both, CVID and AITP. Nonetheless, due to fewer systemic side effects, immunoglobulins are increasingly applied subcutaneously (SCIG).ObjectiveTo compare the efficacy and safety of IVIG and SCIG treatment in patients with both CVID and clinical relevant thrombocytopenia in the prevention of AITP bouts.MethodsPatients with both CVID and AITP were enrolled at the Centre for Chronic Immunodeficiency in Freiburg, Germany and at the Royal Free Hospital, London, UK. Clinical and laboratory features of patients were collected and analyzed.ResultsThis retrospective study recruited 61 adult patients between 19 and 71 years of age who had a diagnosis of CVID and at least one bout of thrombocytopenia defined as a platelet count of

Published
2018
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