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Abstracts from the 2026 Clinical Immunology Society Annual Meeting: Immune Deficiency & Dysregulation
CIS Meeting Abstracts 2026
Abstracts from the 2026 Clinical Immunology Society Annual Meeting - PDF
A collection of abstracts from the 2026 Clinical Immunology Society Annual Meeting: Immune Deficiency and Dysregulation, May 6–9, 2026, New Orleans, Louisiana. All abstracts were reviewed and approved by the Clinical Immunology Society Program Committee, which held full responsibility for the abstract selections.
Oral Abstracts
CIS Meeting Abstracts 2026
A First-in-Human Base Edit Gene Therapy for CD40L Deficiency X-Linked Hyper IgM (XHIGM) Syndrome
Suk See De Ravin,Tyra Estwick,Yuzhi Yin,Michelle Ma,Siyuan Liu,Xiaolin Wu,Justin Lack,Andres Zea Vera,Colin Sweeney,Stephen L. Highfill,Christian Wysocki,Ronald J. Meis,Gary A. Dahl,Benjamin P. Kleinstiver,Harry L. Malech
CIS Meeting Abstracts 2026
A Whole-Blood Transcriptomic Assay, PrimDx, Reflects Cellular and Humoral Abnormalities in Primary Immunodeficiency
Holly Pedersen,Benjamin G. Cocks,Laura Scolamiero,Narges Saeedizadeh,Vanessa L. Bryant,Charlotte A. Slade,Megan Rees,Jo A. Douglass,Mimi L.K. Tang,Mai Margetts,Theresa Cole,Shady Mohamed,Samantha Chan,Emma H. Gail,Simon P. Green
CIS Meeting Abstracts 2026
Autologous Ex Vivo Lentiviral Gene Therapy for Pediatric Patients with Severe Leukocyte Adhesion Deficiency-I Provides Sustained Efficacy with a Favorable Safety Profile
Claire Booth,Julian Sevilla,Elena Almarza,Caroline Y. Kuo,Josune Zubicaray,Maria Chitty-Lopez,Susan Manganaro,Haojun Ouyang,Bitha Narayanan,Janel Long-Boyle,Augustine Fernandes,Kritika Chetty,Satiro DeOliveira,Crystal Banuelos,Jinhua Xu-Bayford,Phillip John-Neek,Connie Jackson,Theodore B. Moore,Kimberly Gilmour,Axel Schambach,Michael Rothe,Adrian J. Thrasher,Juan A. Bueren,Jonathan D. Schwartz,Donald B. Kohn
CIS Meeting Abstracts 2026
Bespoke Base and Prime Editing Approaches for STING-Associated Vasculopathy with Onset in Infancy (SAVI)
Enrico Drago,Jona Papri,Chiara Fresia,Gabriele Casirati,Francesca Schena,Francesco Romano,Benedikt Englbauer,Paola Bocca,Malena Vogogna,Andrea Cosentino,Giulia Accorsi,Arinna Bertoni,Marta Freschi,Federica Penco,Ignazia Prigione,Riccardo Papa,Roberta Caorsi,Marco Gattorno,Pietro Genovese,Stefano Volpi
CIS Meeting Abstracts 2026
Decoding RELA-Related Disease: A Spectrum of Immune Dysregulation in a Large Global Cohort
Gayathri Dileepan,Amrita Basu, PhD,Elizabeth Murray, MD,Hugo Chapdelaine, MD,Katherine D’Astous-Gauthier, MD,Monica G. Lawrence, MD,Ross Maltz, MD,Maxime Paquin, MD,Xiao Peng, MD, PhD,Luis F. Saca, MD,Alysha Taxter, MD,Victoria S. Towers,Alex M. Wonnaparhown, MD,Ofer Zimmerman, MD,Shoghik Akoghlanian, MD,Eric Allenspach, MD, PhD,Saleh Alsulami, MD,Motasem O. Alsuweiti, MD,Kaveh Ardalan, MD, MS,Lori Broderick, MD, PhD,Dita Cebecauerova, PhD,Ruth Chan, DO,Joyce Chang, MD, MSCE,Fatma Dedeoglu,Adi Efron, MD,Lina Igel, Dr. med,Leslie Naesens, MD,Peter Nigrovic, MD,Amanda K. Ombrello, MD,Nurcicek Padem, MD,Natalie Rosenwasser, MD,Judith Sanchez-Manubens, PhD,Victor Skrie, MD,Shaoling Zheng, MD,Lily Guo,Vidya Sivaraman, MD,Roshini Abraham, PhD, D(ABMLI)
CIS Meeting Abstracts 2026
Derivation of Mesenchymal Stem Cells from Induced Pluripotent Stem Cells and Their Application in Genetic Disease Modeling
Giuseppe Sangiorgio,Francesca Pala,Kayla Amini,Eduardo Anaya,Sarah Dinges,Ottavia Delmonte,Alexandra Freeman,Alexandra Kreins,E. Graham Davies,Horst von Bernuth,Cathleen Collins,Maria Teresa de la Morena,Melinda M. Rathkopf,Dusan Bogunovic,Marita Bosticardo,Luigi D. Notarangelo
CIS Meeting Abstracts 2026
Human Germline Biallelic Loss-of-Function OSMR Variants Cause Severe Allergic Disease
Simran Samra,Mehul Sharma,Julia Körholz,Kate L. Del Bel,Yihui Liu,Alyssa E. James,Sergio Rosenzweig,Julie Niemela,P M Prathibha,Oliver Wegehaupt,Sateesh Maddirevula,Siddaramappa J. Patil,Diana K. Bayer,Jonathan J. Lyons,Stuart E. Turvey
CIS Meeting Abstracts 2026
Human Herpesvirus 6 (HHV-6) Infection Impairs T Cell Development in Children with Congenital Athymia Who Have Received Allogeneic Processed Thymus Tissue–agdc (RETHYMIC)
Jack Ringel,Guglielmo Venturi,Elizabeth A. McCarthy,Geoffrey Hall,Cynthia Zhou,Tarin Bigley,John Sleasman
CIS Meeting Abstracts 2026
MYB Haploinsufficiency Causes Familial Autoimmune Cytopenias
Aaron Boothby,Yagiz Anasiz,Jeffery W. Zhong,Debbie Jiang,Taylor K. Watson,Munusamy Ponnan Sivasankaran,Robert J. Weeks,Jackie L. Ludgate,Justin J. Lee,Kerry Lannert,David Yao,Cassandra McDonald,Matthew Bainbridge,Bing M. Zhang,Diana G. Fisk,Michael J. Bamshad,Frederic Rieux-Laucat,Jessica X. Chong,Jenny Kim,Parvathy Venugopal,Abhi Kulkarni,Nicola K. Poplawski,Ben Saxon,Lauren E. Brown,Michael Osborn,Laia Alsina,Angela Deyà-Martínez,Ana García-García,James L. Zehnder,Siobhan Cross,Shaun Jackson,Richard D’Andrea,Hamish S. Scott,Thomas J. Gonda,Ashley V. Geerlinks,Ruben Martinez-Barricarte,Lori Broderick,Stuart E. Turvey,Christopher N. Hahn,Etienne Crickx,Jill Johnson,Suleyman Gulsuner,Ian M. Morison,Eric Allenspach,Siobán Keel
CIS Meeting Abstracts 2026
SHP1 (PTPN6) Deficiency Defines a New PIRD with Infant-Onset Anemia and Severe Hyperinflammatory Lung Disease
Farsh Moussavi-Harami,Matt Zinter,Marialetizia Motta,Luca Pannone,Paolo Calligari,Anne Slavotinek,Pierre-Marie Martin,Henry Sanchez,Lauren Sanchez,Iman Ragab,Clare Abram,Martin Broly,Yasmina Abi Ayad,Amina Serradj,Guilaine Boursier,Aida M. Bertoli-Avella,Mukunth Sadagapan,Amy Hsu,Steven Holland,Gianfranco Bocchinfuso,Lorenzo Stella,Simone Martinelli,Bruno Reversade,Marco Tartaglia,Clifford Lowell,Mark R. Looney,Alice Chan
Thursday Poster Hall
CIS Meeting Abstracts 2026
A Survey-Based Study of Reproductive Health Practices by Immunologists of the Clinical Immunology Society in Patients with Inborn Errors of Immunity
Jessica Galant-Swafford,Melissa Gans,Tracy Huangpo,Sarah Han,Brant Ward,Donald Vinh,Hugo Chapdelaine,Kevin Ackerman,Daniel Rosenberg,Jacqueline Squire,Farida Almarzooqi,Jessica Hobson,Art Jongco,Aisha Ahmed,Xiao Peng,Hanadys Ale,Vy Kim,Sara Barmettler,Megan Piazza,Jessica Willett Pachul,Monica Fernandes,Ashley Nguyen,Catherine Freeman,Madeline Schutt,Nikita Raje,Diana Bayer,Lauren Gunderman,Vivian Hernandez-Trujillo,Alexandra Freeman,Joud Hajjar
CIS Meeting Abstracts 2026
A Biallelic HELIOS Nonsense Mutation Disrupting Dimerization Is Associated with a Novel Syndromic Immunodeficiency
Hye Sun Kuehn,Azzeddine Tahiat,Ana Esteve-Sole,Jennifer Stoddard,Julie Niemela,Agustin Gil Silva,Marita Bosticardo,Ottavia Delmonte,Luigi Notarangelo,Sergio Rosenzweig
CIS Meeting Abstracts 2026
A Novel Immunomodulatory Strategy to Control Multiple Immune Dysregulation Disorders in a Pediatric Patient
CIS Meeting Abstracts 2026
A Novel STAT3 N-Terminal Domain Variant Reveals an Alternative Mechanism of Disease Pathogenesis in Hyper-IgE Syndrome
Joe Mackie,Dan Suan,Danielle Avery,Geetha Rao,David Langley,Alexandra Freeman,Paul Gray,Satoshi Okada,Daniel Christ,David Croucher,Antoine Guerin,Cindy Ma,Stuart Tangye
CIS Meeting Abstracts 2026
A Site-Specific LLM-Based PHI Redaction Tool to Support Note De-Identification for the United States Immunodeficiency Network (USIDNET)
Vaibhavi Vichare,Monica Molina,Russell D'Aiello,Gonench Kilich,Charlotte Cunningham Rundles,Roshini Abraham,Jennifer Puck,Ramsay Fuleihan,Luigi Notarangelo,Rebecca Marsh,Kathleen Sullivan
CIS Meeting Abstracts 2026
Clinical and Genetic Spectrum of Autoimmune Lymphoproliferative Syndrome (ALPS) and ALPS-Like Disorders in Brazil: Insights from the First Year of the CNE3i National Cohort
Marcia Toraiwa Iwashita,Daniela Petry,Samar Freschi Barros,Maria Lúcia Carnevale Marin,Sandra Maria Monteiro,Guilherme Burgarelli,Estrela Gianni,Isabella Faria Morais,Amanda Melato de Oliveira,Viviane Guimaro,Rafael Paternò Castello Dias-Carneiro,Felipe Bassetto Cappell,Danielli Bichuetti-Silva,Fabianne Mitie Osaku,Anne-Rose Bau,Mariana Castro Loureiro Borges e Curi,Marvin Lins,Joseane Chiabai,Janaira Fernandes Severo Ferreira,Luciana Maraldi Freire,Luciana Martins Cunha,Flávia Alice Timburibá de Medeiros Guimarães,Patrícia Fidelis,Viviane Carlotto,Rafael Cardoso Maciel Costa Silva,Lucas Augusto Moyses Franco,Midiã Silva Ferreira,Persio Roxo-Junior,Tania Sih,Magda Carneiro-Sampaio,Jorge Kalil,Maria Teresa Terreri,Leonardo Mendonça
CIS Meeting Abstracts 2026
Clinical and Immunological Characteristics of Kabuki Syndrome Patients with Autoimmune Cytopenias
Paola Suhet,Abigail Lang,Emily Ammon,Zsuzsanna Gaal,Rahim Miller,Marta Toth,Aisha Ahmed,Elisa Ochfeld,Allison Remiker,Robert Liem,Kranthi Nomula,Saugata Goswami,Travis Satnarine,Gary Kleiner,Candance Rypien,Luis M. Favela,Nicola Wright,Ashish Marwaha,Jenny Garkaby,Lauren Gunderman,Lyda Cuervo,Nurcicek Padem,Tyler Yates,Vy Kim,Eyal Grunebaum,Ori Scott,Julia Upton,Oksana Boyarchuk,Melissa Gans,Jolan Walter,Amer Khojah
CIS Meeting Abstracts 2026
Clinical Experience with Use of the PI3Kdelta Inhibitor Leniolisib to Treat Immune Dysregulation in Patients with CVID and CVID-Like Disorders
Gulbu Uzel,Monica Lawrence,Blanca Urban Vargas,Lorenzo Lodi,Kevin Thorneloe,Rebecca Marsh,Jason Bradt,Anurag Relan,Romina Dieli Crimi,Kate Howe,Valentina Guarnieri,Silvia Ricci,Aditi Jogdand,Jocelyn Farmer
CIS Meeting Abstracts 2026
Development of a Disease Activity Score to Assess Treatment Success in Patients with NFKB1 Mutations
Katharina Thoma,Pia Hassunah,Manfred Fliegauf,Gabriele Müller,Andres Caballero Garcia de Oteyza,IPavla Mrovecova,Helene Kraus,Prerana Agarwal,Maximilian Frederik Russe,Birgit Sawitzki,Lev Petrov,Katrin Vogt,Nadezhda Nadezhda Camacho Ordonez,Aleksandra Hirsch,Christoph B. Geier,Máté Krausz,Sigune Goldacker,Natalie Frede,Stephan Ehl,Sarah Salou,Ansgar Schulz,Shahrzad Bakhtiar,Maria Fasshauer,Oliver Hausmann,Anja-Dorothee Hüfner,Martin Stanulla,Anna Luijendijk,Faranaz Atschekzei,Georgios Sogkas,Ulrich Salzer,Baerbel Keller,Michele Proietti,Klaus Warnatz,Bodo Grimbacher
CIS Meeting Abstracts 2026
Dominant-Negative FOXN1 Mutations: Clinical Variability and Omenn Syndrome Management in an International Cohort of 7 Families
Paola Suhet,Evan Potts,Ezgi Nur Alper,Philip Mendez,Serena Shaffren,Emily Ammon,Marita Bosticardo,Christian Wysocki,Nicolai Von Oers,John Sleasman,Marco Yamazaki-Nakashimada,Safa Baris,Svetlana Sharapova,Luigi Notarangelo,Austen Worth,Alexandra Kreins,Jolan Walter
CIS Meeting Abstracts 2026
Functional Pneumococcal Assessment Using the Multiplexed Opsonophagocytosis Assay Improves Alignment with Clinical Diagnosis of Specific Antibody Deficiency
Shifaa Alkotob,Natalia Fernandez Davila,Nouf Alsaati,Ivan Chinn,Kexin Guo,Moon Nahm,Sarah Nicholas,Vibha Szafron,Sasha Alvarado,Xiaotian Gao,David Lafon,Joud Hajjar
CIS Meeting Abstracts 2026
Genetics of B Cell Maturation in Common Variable Immunodeficiency in Brazil: A Joint Analysis of the CVID-Brazil Cohort and the CNE3I Program
Beatriz Costa Todt,Guilherme Burgarelli,Estrela Giani,Amanda Melato de Oliveira,Marcia Toraiwa Iwashita,Samar Freschi Barros,Magda Maria Carneiro-Sampaio,Cristina Maria Kokron,Jorge Elias Kalil Filho,Leonardo Oliveira Mendonca
CIS Meeting Abstracts 2026
Genome-Wide Association Study Implicates Immunogenetic Variation in Chemokine Signaling Pathways in Pediatric Tuberculosis Susceptibility
Christine Anterasian,Kim Dill-McFarland,Josh Ivie,Humphrey Mulenga,Justin Shenje,Simon C. Mendelsohn,Munyaradzi Musvosvi,Elisa Nemes,Javeed A. Shah,Thomas J. Scriba,Mark Hatherill,Tom Hawn,CORTIS Kids Study Team
CIS Meeting Abstracts 2026
Innovations in Care of Inborn Errors of Immunity in Brazil: CNE3I, the Brazilian National Center for Inborn Errors of Immunity and Immune Dysregulation Diseases
Leonardo Mendonca,Ester Cerdeira Sabino,Vanderson Rocha,Jorge Kalil,Magda Maria Carneiro-Sampaiov,Carlos Alberto Moreira-Filho
CIS Meeting Abstracts 2026
Janus Kinase Inhibitor Treatment Results in Rapid but Incomplete Immune Reconstitution and Resolution of Monocyte-Driven Hyperinflammation in STAT1 Gain-of-Function
Cecilia Iglesias Herrero,Willem Roosens,Georgina Galicia,Jonathan Cremer,Nam Joo van der Veken,Timothy Devos,Leen Moens,Isabelle Meyts,Rik Gijsbers,Rik Schrijvers
CIS Meeting Abstracts 2026
Nominating Genetically Driven Immune Disease Genes for BEACONS: The First U.S. Multistate Genomic Newborn Screening Initiative
Xiao P. Peng,Matthew J. Kan,Jennifer M. Puck,Joshua Milner,Britt Johnson,Rebecca Marsh,Roshini Abraham,Ivona Aksentijevich,Charles J. Billington, Jr.,Manish J. Butte,Scott Canna,Shanmuganathan Chandrakasan,Samuel Cern Cher Chiang,Ottavia M. Delmonte,Raphaela Goldbach-Mansky,Eyal Grunebaum,Rebecca Hale,Maleewan Kitcharoensakkul,Craig Platt,Daniella Schwartz,Christine M. Seroogy,Kathleen Sullivan,Teresa Tarrant,Hannie Zomer,Amber Begtrup,Steven E. Brenner,Stephanie A. Coury,Dalia Kasperaviciute,Thomas Minton,Harini Somanchi,Jay R. Thiagarajah,Carrie Blout Zawatsky,Rebekah Zimmerman,Ingrid Holm,Melissa Wasserstein,Robert Green,Nina Gold
CIS Meeting Abstracts 2026
Novel Pathogenic Variant in IL2RG Affecting the Signal Peptide Results in mRNA Instability, Decreased IL2RG Expression, and Atypical Late-Onset Immunodeficiency
Muslima Hussain,Nisha Nagarsheth,Julia Jones,Irene Cortese,Corina Gonzalez,Suk See De Ravin,Xiaolin Wu,Michelle Ma,Hyesun Kuehn,Sergio Rosenzweig,Alan Hoofring,Hannah Ambrose,Matthew Drew,Dominic Esposito,Sung-Yun Pai
CIS Meeting Abstracts 2026
Outcomes for Patients with CGD Undergoing HSCT Over the Past 2 Decades: A Single-Center Experience
Erin Morales,Josaura Fernandez,Sebastian Ochoa,Lisa Forbes-Satter,Erin Doherty,Khaled Yassine,David Steffin,Baheyeldin Salem,Megha Thakkar,John Craddock,Gabriela Llaurador,Anil George,Alexander Ngwube,Ivan Chinn,Javier Chinen,Joan Reynoso,Lenora Noroski,Helen Heslop,Robert Krance,Caridad Martinez
CIS Meeting Abstracts 2026
PI3K Signaling Pathway Abnormalities in Two Patients with PIK3CD (p110δ) Loss-of-Function (LOF) Variants
Alexander Vargas-Hernández,Kejian Zhang,Lalith Perera,Michail S. Lionakis,Stefania Pittaluga,Caridad Martinez,Gulbu Uzel,Erin Morales,Josaura Fernandez,Lisa Forbes Satter,Michael B. Jordan,Sebastián Ochoa
CIS Meeting Abstracts 2026
Prevention of Irreversible Autoimmune Endocrinopathies in APECED with Ruxolitinib
Joseph Pechacek,Taura Webb,Lucas dos Santos Dias,Rachel Wu,Heather Moorman,Princess Barber,Lindsey Rosen,Benjamin Colton,Herodes Guzman,Maria Sacta,Shana McCormack,Aaron Bennett,Kathleen Loomes,Neil Romberg,Niamh McGrath,Steven Holland,Theo Heller,Karen Winer,Stefania Pittaluga,Michail Lionakis
CIS Meeting Abstracts 2026
Quality of Life in Patients with Severe Combined Immunodeficiency (SCID) Treated with Hematopoietic Cell Transplantation in the Modern Era: A Primary Immune Deficiency Consortium (PIDTC) Study
Lauren Sanchez,Brent Logan,Sravya Dammalapati,Joy Liu,Rebecca Buckley,Hesham Eissa,Linda Griffith,Joud Hajjar,Holly Miller,Erin Morales,Ayelet Rosenthal,Ami Shah,Monica Thakar,Morna Dorsey,Christen Ebens,Ahmad Rayes,Victor Aquino,Lauri Burroughs,Alice Chan,Christopher Dvorak,Elie Haddad,Jennifer Leiding,Rebecca Marsh,Luigi Notarangelo,Sung-Yun Pai,Jennifer Puck,Michael Pulsipher,Troy Torgerson,Jennifer Heimall,Morton Cowan
CIS Meeting Abstracts 2026
Scoring Thoracic CT Scans of Patients with NFKB1-Related Disease for Clinical Management and Treatment Studies Using Four Parameters (Adapted from the Hartmann Score)
Katharina Thoma,Manfred Fliegauf,Bärbel Keller,Maximilian Frederik Russe,Gabriele Müller,Michele Proietti,Andres Caballero Garcia de Oteyza,Pavla Mrovecova,Helene Kraus,Klaus Warnatz,Nadezhda Camacho Ordonez,Aleksandra Hirsch,Christoph Geier,Máté Krausz,Sigune Goldacker,Natalie Frede,Stephan Ehl,Sarah Salou,Shahrzad Bakhtiar,Maria Fasshauer,Michael Borte,Oliver Hausmann,Faranaz Atschekzei,Georgios Sogkas,Ansgar Schulz,Bodo Grimbacher,Prerana Agarwal
CIS Meeting Abstracts 2026
Severe Multisystem Autoimmunity and Atopy in a Child with a Loss-of-Function IKAROS Variant
Ashay Chandra, MD,Joshua Owens, MD,Sergio D. Rosenzweig, MD, PhD,Hye Sun Kuehn, PhD,Taylor Eddens, MD, PhD,Christin Deal, MD,Daniel A Kietz, MD, PhD,Daniella Schwartz, MD,Hey Chong, MD, PhD
CIS Meeting Abstracts 2026
Structure-Guided Characterization of STAT1 Mutations: Integrating In Silico Modeling with Functional and Transcriptional Validation
Cecilia Iglesias Herrero,Irati Vilariño de Uriarte,Wout van Eynde,Melanie Mora Rangel,Georgina Galicia,Maxime Smits,Jonas Demeulemeester,Arnout Voet,Rik Gijsbers,Rik Schrijvers
CIS Meeting Abstracts 2026
TLR8 Gain-of-Function Syndrome Patient with Hemophagocytic Lymphohistiocytosis Treated with Emapalumab
CIS Meeting Abstracts 2026
Use of Sirolimus and Immunoglobulin Replacement Therapy (IRT) in Patients with Activated Phosphoinositide 3-Kinase Delta Syndrome (APDS): A Systematic Literature Review (SLR)
Nicholas L. Hartog,Konrad Pisarczyk,Mike Samad,Katerina Vlachopoulou,Rachel Beckerman,Amanda Harrington
Friday Poster Hall
CIS Meeting Abstracts 2026
Clinical and Genetic Spectrum of Pyrinopathies in Brazilian Patients: Insights from the First Year of the CNE3i National Cohort
Leonardo Oliveira Mendonça,Ana Cristina Pithon Curi,Erika Leide Pasciano,Midiã Silva Fereira,Lucas Augusto Moyses Franco,Ludmilla Masiero Silva,Samar Freschi de Barros,Marcia Toraiwa Iwashita,Tereza Robazzi,Viviane Guimaro Mendes Barreto Resende,Sarah Sella Langer (in memorian),Helimara Costa Goes,Danielli Bichuetti-Silva,Joara Martins da Silva Gordo de Paula,Janaira Fernandes Severo Ferreira,Andre Pastore,Ana Carolina Maffei Dardis,Maria Lúcia Carnevale Marin,Guilherme Burgarelli,Estrela Giani,Amanda Melato de Oliveira,Isabella Faria-Morais,Rafael Cardoso Maciel Costa e Silva,Bianca Barros,Jéssica Antunes Ribeiro,Alessandra Pontillo,Tania Sih,Magda Carneiro-Sampaio,Jorge Kalil
CIS Meeting Abstracts 2026
CTLA-4 Variant Interpretation and Clinical Impact
Julia Padilha Silva,Andrés Caballero Garcia de Oteyza,Sara Posadas-Cantera,Máté Krausz,Elena Sindram,Laura Gamez-Dias,Sebastian Zeissig,Andre Franke,Britt-Sabina Löscher,Charlotte Cunningham-Rundles,Jennifer Dantzer,Jenny Lingman,Akihiro Hoshino,Faranaz Atschekzei,Georgios Sogkas,Ewa Wiesik-Szewczyk,Frederic Rieux-Laucat,Talal Chatila,Richard Blumberg,Alan Leichtner,Safa Baris,Christo Tsilifis,Nathalie Aladjidi,Eric Jeziorski,Xavier Ayrignac,Jeremie Rosain,Emtenan Basahl,Francesca Conti,Piero Accardo,Sabine Heine,Victoria Paul,Francesco Licciardi,Mary Slatter,Hirokazu Kanegane,Antonios Kolios,Mohammed Ahmad Nashawi,Ben Carpenter,Maria Carrabba,Susana Lopes Silva,Michele Proietti,Bodo Grimbacher
CIS Meeting Abstracts 2026
Establishing Newborn Screening for SCID: The BC and Yukon Experience
Abigail Netanya Ngan,Aksheen Chahal,Gurdip Hulait,Audi Setiadi,Scott Cameron,Victoria Cook,Elliot James,Sarah Lohrenz,Erika Sifuentes,Stuart Turvey,Jacob Rozmus,Bojana Rakic,Hilary Vallance,Kyla Hildebrand,Graham Sinclair,Catherine Biggs
CIS Meeting Abstracts 2026
Interferonopathies in Brazil: The Pivotal Role of the Interferon Signature for Diagnosis and for the Genetic Sequencing in the CNE3i
Leonardo Oliveira Mendonça,Amanda Melato de Oliveira,Daniela Gerent Petry,Ana Cristina Curi,Maria Teresa Terreri,Maria Lúcia Carvenalle-Marin,Guilherme Burgarelli,Estrela Giani,Isabella Faria-Morais,Márcia Toraiwa Iwashita,Ludmilla Masiero,Viviane Guimaro Mendes Resende Barreto,Evaldo Sena,Vera Dantas,Danielli Bichuetti-Silva,Fabiane Mitie Osaku,Anne Rose Leopoldina Wiedercker Bau,Mariana Castro Loureiro Curi Castro Loureiro Curi,Marvin Lins,Joseane Chiabai,Janeira Ferreira Severo Fernandes,Luciane Maraldi Freire,Luciana Martins de Carvalho,Flavia Alice Timburibá Guimarães,Patricia Aparecida de Matos Fidelis,Adriana Pitchon Reis Chuster,Raquel Pitchon Reis,Maria Vitória Quintero,Filipe Didier,Luana Ribeiro Carlos,Tereza Robazzi,Daniella Porfírio Nunes,Sineida Berbert Ferreira,Maria Cecília Rivitti-Machado,Henrique Ayres,Renata Paolilo,Katia Tomie Kozu,Guilherme Diogo da Silva,Tania Maria Sih,Ester Sabino,Magda Maria Carneiro-Sampaio,Marie-Louise Frémond,Samar Freschi Barros,Jorge Kalil
CIS Meeting Abstracts 2026
Newborn Screening Inborn Errors of Immunity in the Republic of Belarus: The First Pilot Study
E.A. Polyakova,T.P. Volodashchik,O.L. Zobikova,A.V. Liubushkin,E.A. Kalinina,S.A. Aleshkevich,Yu.S. Zharankova,I.S. Sakovich,A.N. Kupchinskaya,I.E. Guryanova,O.V. Pribushenya,S.O. Sharapova,M.V. Belevtsev,A.V. Solntsava
CIS Meeting Abstracts 2026
Post-Covid-19 Rise in Postural Orthostatic Tachycardia Syndrome and Antibody Deficiency: Exploring Immunoglobulin Therapy for Symptom Management
Erin Pratt, MD,Edward O’Bryan, MD, MBA, CPE,S. Taylor Spahn, BSN, RN, IGCN,James Sheets, PharmD, IgCP,Randy Broyles, RPh,Timothy Walton, MHS, CCRP
CIS Meeting Abstracts 2026
Peripheral Expression of FOXP3 in Brazilian Patients with IPEX Syndrome: From FOXP3 Biomarker to Targeted FOXP3 Therapy Within the CNE3I
Leonardo Oliveira Mendonça,Amanda Melato de Oliveira,Sandra Maria Monteiro,Maria Lúcia Carnevale Marin,Danielli Bichuetti-Silva,Ana Luiza Cunha,Paula Lyra,Renata Capeletti Padula,Luma Abou Jokh Espindola,Giovanna Capato Vilero,Joseane Chiabai,Cristina Kokron,Márcia Toraiwa Iwashita,Ludmilla Masiero,Mayra Dorna,Isabella Faria-Morais,Guilherme Burgarelli,Jessie Lee An Alexander,Rosa Bachetta,Samar Freschi-Barros,Jorge Kalil,Magda Maria Carneiro-Sampaio
CIS Meeting Abstracts 2026
STAT1 Gain-of-Function with a Novel Clinical Manifestation: Recurrent Pancreatitis Associated with Hypertriglyceridemia and Anti-GPIHBP1 Autoantibodies
Areum Shin,Doo Ri Kim,Minji Im,Yiyoung Kwon,Yoon Zi Kim,Sung Yoon Cho,Mi Jin Kim,Jihyun Kim,Eun-Suk Kang,Kangmo Ahn,Yae-Jean Kim
CIS Meeting Abstracts 2026
Transforming Diagnosis of Primary Immunodeficiency: Global Impact of Jeffrey Modell Foundation’s Genetic Sequencing Program, Jeffrey’s Insights
Jessica Quinn,Bibiana Palao,Miriam Leon,Maria Moreno,Luis Izquierdo,Yi-Lee Ting,Ron Gladue,Jordan Orange,Vanessa Tenembaum,Fred Modell
Poster Mania
CIS Meeting Abstracts 2026
A Systems-Predicted Neutralizing Antibody Assay Identifies Compartment-Specific Features Correlating with Neutralization Breadth
Qixin Wang,Kate Levine,Ross Blanc,Lindsay McManus,Hadar Malca,Alejandra Waller-Pulido,Samuel Nangle,Dalia Cabrera-Barragan,Ninaad Lasrado,Dan Barouch,Ryan McNamara
CIS Meeting Abstracts 2026
Disease-Causing STAT3 Variants Can Be Discriminated by a Functional Flow Cytometry Test
Ana Esteve-Sole,Alexandra F. Freeman,Amy Hsu,Tiphanie P. Vogel,Lisa R. Forbes Satter,Jenna R.E. Bergerson,Taura Webb,Joseph Pechacek,Kristen McDaniels,Megan A. Cooper,Carolina Bouso,Matias Oleastro,Silvia Denielian,Luis Ignacio Gonzalez-Granado,Michail S. Lionakis,Steven M. Holland,Thomas A. Fleisher,HyeSun Kuehn,Sergio Rosenzweig
CIS Meeting Abstracts 2026
Elucidating the Pathogenesis of Chronic Norovirus in Inborn Errors of Immunity: Lessons from Single-Cell Transcriptomics of Biopsies and Patient-Derived Organoids
Jessica Durkee-Shock,Yuki Matsushima,Ryoka Ishiyama,Natthawan Chaimongkol,Karenna Barton,Jeffrey I. Cohen,Michael D Keller,Sheila Kumar,Xixi Xu,Alison Han,Bianca Nagata,Derron Alves,Stefania Pittaluga,Eunice Chan,Sadhana Sagar,Stanislav Sosnovtsev,Kim Y. Green
CIS Meeting Abstracts 2026
Enhanced Diagnosis of Primary Immunodeficiencies, Including Bronchiectasis Cases, Using Transcriptomic Artificial Intelligence
Benjamin G. Cocks,Narges Saeedizadeh,Emma H. Gail,Holly Pedersen,Vanessa L. Bryant,Charlotte A. Slade,Megan Rees,Jo A. Douglass,Mimi L.K. Tang,Mai Margetts,Theresa Cole,Shady Mohamed,Samantha Chan,Laura Scolamiero,Mel Berger,Simon P. Green
CIS Meeting Abstracts 2026
Enrichment of Variants of Known and Unknown Significance in Specific Inborn Error of Immunity Categories in Children with Autoimmune Cytopenia
Stennio Da Silva Faria,Emily M. Harris,Kirsty Hillier,Yi-Lee Ting,Jennifer MacWhirter-DiRaimo,Hannah Helber,Candelaria O'Farrell,Estelle Lecluze,Taylor Kim,Rachael F. Grace,Michael Scheurer,Rebecca Hale,Kirstin Shimano,Diane Nugent,Ellis J. Neufeld,Craig Platt,Michele P. Lambert,Amanda Grimes,Shipra Kaicker,Thomas Pincez
CIS Meeting Abstracts 2026
Haploinsufficiency for Human ABCF1 Underlies Gastrointestinal Autoimmunity
Xin Long,Xi Li,Zhikai Chi,Wenjing Ying,Hemanth Karnati,Clément Conil,Aurélie Cobat,Ece Meltem Kars,Yuval Itan,Mingyi Chen,Xiaoping Chen,Timothy Wang,Michele Alkalay,Ezra Burstein,Wendy Chung,Hans-Christian Reinecker,Shang Ma,Peter Green,Xiao-Fei Kong
CIS Meeting Abstracts 2026
Immunogenetic Screening Reveals Hidden Inborn Errors of Immunity in Pediatric Lymphoproliferative Disorders
Martina Burattin,Maria Luisa Coniglio,Marta Voarino,Filippo Consonni,Cesare Sala,Daiana Flores,Claudia Priolo,Giorgio Costagliola,Francesco Pegoraro,Elena Chiocca,Annalisa Tondo,Eleonora Gambineri
CIS Meeting Abstracts 2026
Interim Safety and Efficacy Outcomes of an Open-Label Long-Term Extension Study of Treatment with PI3Kδ Inhibitor Leniolisib in Pediatric Patients Aged 4-11 Years with Activated PI3Kδ Syndrome (APDS)
V. Koneti Rao,Manish J. Butte,Bénédicte Neven,Michaela Semeraro,Yael Gernez,Shanmuganathan Chandrakasan,Hirokazu Kanegane,Takahiro Yasumi,Kazushi Izawa,Alanvin Orpia,Ladan Foruraghi,Lauren Pauls,Lavenda Chirombo Kluczynski,Jason Bradt,Leisa Waynick,Anurag Relan,Gulbu Uzel
CIS Meeting Abstracts 2026
Investigating Hidden Drivers of Progressive Multifocal Leukoencephalopathy in the NIH Natural History Cohort
Busranur Agac,Jessica Durkee-Shock,Sara Zahraeifard,Mauricio Campillay,Ezra Klein,Alexandra F. Freeman,Jenna Bergerson,Ottavia Delmonte,Lindsey B. Rosen,Annalie J. Harris,Megan Cooper,Luigi D. Notarangelo,Christa S. Zerbe,Steven M. Holland,Gulbu Uzel,NIAID Central Sequencing Program,Yair Mina,Irene Cortese
CIS Meeting Abstracts 2026
IRF4 p.T95R Combined Immunodeficiency: Clinical Features and Transplant Outcomes
Mattison P. Stojcic,Makenzie A. Manning,Miguel Galicchio,Manfred Hönig,Despina Moshous,Sven Kracker,Felipe Suarez,Ruben Martinez-Barricarte,Aidé Tamara Staines-Boone,Yuridia Salazar Gálvez,Vignesh Pandiarajan,Sergio D. Rosenzweig,Klaus Schwarz,Catherine M. Biggs,Jacob Rozmus,Stuart E. Turvey
CIS Meeting Abstracts 2026
Prospective Clinical Trial of Mycophenolate Mofetil (MMF) Duration De-Escalation in Allogeneic Hematopoietic Cell Transplantation (HCT) for Inborn Errors of Immunity: Is MMF Dispensable After Reduced Intensity Conditioning, Posttransplantation Cyclophosphamide(Ptcy)-Based HCT?
Dimana Dimitrova,Luigi Notarangelo,Gulbu Uzel,Alexandra Freeman,Jeffrey Cohen,Jessenia Campos,Amy Chai,Alison Cusmano,Mustafa Hyder,Ralph Mangusan,Ruby Sabina,Judy Baruffaldi,Kristen Cole,Jennifer Wilder,Jenna Bergerson,Jessica Durkee-Shock,Steven Holland,Andrea Lisco,Harry Malech,Christopher Melani,Amanda Ombrello,Mark Roschewski,Irini Sereti,Christa Zerbe,Jennifer Cuellar-Rodriguez,Mary Czech,Juan Gea-Banacloche,Christopher Kanakry,Jennifer Kanakry
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