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Szczawińska-Popłonyk A, Ciesielska W, Konarczak M, Opanowski J, Orska A, Wróblewska J, Szczepankiewicz A. Immunogenetic Landscape in Pediatric Common Variable Immunodeficiency. Int J Mol Sci 2024; 25:9999. [PMID: 39337487 PMCID: PMC11432681 DOI: 10.3390/ijms25189999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2024] [Revised: 09/08/2024] [Accepted: 09/13/2024] [Indexed: 09/30/2024] Open
Abstract
Common variable immunodeficiency (CVID) is the most common symptomatic antibody deficiency, characterized by heterogeneous genetic, immunological, and clinical phenotypes. It is no longer conceived as a sole disease but as an umbrella diagnosis comprising a spectrum of clinical conditions, with defects in antibody biosynthesis as their common denominator and complex pathways determining B and T cell developmental impairments due to genetic defects of many receptors and ligands, activating and co-stimulatory molecules, and intracellular signaling molecules. Consequently, these genetic variants may affect crucial immunological processes of antigen presentation, antibody class switch recombination, antibody affinity maturation, and somatic hypermutation. While infections are the most common features of pediatric CVID, variants in genes linked to antibody production defects play a role in pathomechanisms of immune dysregulation with autoimmunity, allergy, and lymphoproliferation reflecting the diversity of the immunogenetic underpinnings of CVID. Herein, we have reviewed the aspects of genetics in CVID, including the monogenic, digenic, and polygenic models of inheritance exemplified by a spectrum of genes relevant to CVID pathophysiology. We have also briefly discussed the epigenetic mechanisms associated with micro RNA, DNA methylation, chromatin reorganization, and histone protein modification processes as background for CVID development.
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Affiliation(s)
- Aleksandra Szczawińska-Popłonyk
- Department of Pediatric Pneumonology, Allergy and Clinical Immunology, Institute of Pediatrics, Poznan University of Medical Sciences, Szpitalna 27/33, 60-572 Poznań, Poland
| | - Wiktoria Ciesielska
- Student Scientific Society, Poznan University of Medical Sciences, 60-572 Poznań, Poland
| | - Marta Konarczak
- Student Scientific Society, Poznan University of Medical Sciences, 60-572 Poznań, Poland
| | - Jakub Opanowski
- Student Scientific Society, Poznan University of Medical Sciences, 60-572 Poznań, Poland
| | - Aleksandra Orska
- Student Scientific Society, Poznan University of Medical Sciences, 60-572 Poznań, Poland
| | - Julia Wróblewska
- Student Scientific Society, Poznan University of Medical Sciences, 60-572 Poznań, Poland
| | - Aleksandra Szczepankiewicz
- Department of Pediatric Pneumonology, Allergy and Clinical Immunology, Institute of Pediatrics, Poznan University of Medical Sciences, Szpitalna 27/33, 60-572 Poznań, Poland
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Bintalib HM, Grigoriadou S, Patel SY, Mutlu L, Sooriyakumar K, Vaitla P, McDermott E, Drewe E, Steele C, Ahuja M, Garcez T, Gompels M, Grammatikos A, Herwadkar A, Ayub R, Halliday N, Burns SO, Hurst JR, Goddard S. Investigating pulmonary and non-infectious complications in common variable immunodeficiency disorders: a UK national multi-centre study. Front Immunol 2024; 15:1451813. [PMID: 39318627 PMCID: PMC11420000 DOI: 10.3389/fimmu.2024.1451813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Accepted: 08/16/2024] [Indexed: 09/26/2024] Open
Abstract
Background Common Variable Immunodeficiency Disorders (CVID) encompass a spectrum of immunodeficiency characterised by recurrent infections and diverse non-infectious complications (NICs). This study aimed to describe the clinical features and variation in NICs in CVID with and without interstitial lung disease (ILD) from a large UK national registry population. Methods Retrospective, cross-sectional data from a UK multicentre database (previously known as UKPIN), categorising patients into those with CVID-ILD and those with NICs related to CVID but without pulmonary involvement (CVID-EP; EP= extra-pulmonary involvement only). Results 129 patients were included. Chronic lung diseases, especially CVID-ILD, are prominent complications in complex CVID, occurring in 62% of the cohort. Bronchiectasis was common (64% of the cohort) and associated with greater pulmonary function impairment in patients with CVID-ILD compared to those without bronchiectasis. Lymphadenopathy and the absence of gastrointestinal diseases were significant predictors of ILD in complex CVID. Although the presence of liver disease did not differ significantly between the groups, nearly half of the CVID-ILD patients were found to have liver disease. Patients with CVID-ILD were more likely to receive immunosuppressive treatments such as rituximab and mycophenolate mofetil than the CVID-EP group, indicating greater need for treatment and risk of complications. Conclusion This study highlights the significant burden of CVID-ILD within the CVID population with NICs only. The lungs emerged as the most frequently affected organ, with ILD and bronchiectasis both highly prevalent. These findings emphasise the necessity of a comprehensive and multidisciplinary approach in managing CVID patients, considering their susceptibility to various comorbidities and complications.
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Affiliation(s)
- Heba M Bintalib
- University College London (UCL) Respiratory, University College London, London, United Kingdom
- Department of Respiratory Care, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
- King Abdullah International Medical Research Centre, Jeddah, Saudi Arabia
| | - Sofia Grigoriadou
- Department of Immunology, Barts Health National Health Service (NHS) Trust, The Royal London Hospital, London, United Kingdom
| | - Smita Y Patel
- Clinical Immunology, Oxford University Hospitals National Health Service (NHS) Foundation Trust, Oxford, United Kingdom
| | - Leman Mutlu
- Clinical Immunology and Allergy, Department of Pathology, East Kent Hospitals University NHS Foundation Trust, Canterbury, United Kingdom
| | - Kavitha Sooriyakumar
- Department of Allergy and Immunology, University Hospitals Birmingham National Health Service (NHS) Foundation Trust, Birmingham, United Kingdom
| | - Prashantha Vaitla
- Clinical Immunology and Allergy Department, Queens Medical Centre campus, Nottingham University Hospitals National Health Service (NHS) Trust, Nottingham, United Kingdom
| | - Elizabeth McDermott
- Clinical Immunology and Allergy Department, Queens Medical Centre campus, Nottingham University Hospitals National Health Service (NHS) Trust, Nottingham, United Kingdom
| | - Elizabeth Drewe
- Clinical Immunology and Allergy Department, Queens Medical Centre campus, Nottingham University Hospitals National Health Service (NHS) Trust, Nottingham, United Kingdom
| | - Cathal Steele
- Regional Immunology Service of Northern Ireland, The Belfast Health and Social Care Trust, Belfast, United Kingdom
| | - Manisha Ahuja
- Clinical Research Fellow, Newcastle University; Specialist Registrar Newcastle upon Tyne Hospitals NHSFT, Newcastle, United Kingdom
| | - Tomaz Garcez
- Department of Immunology, Manchester University National Health Service (NHS) Foundation Trust, Manchester, United Kingdom
| | - Mark Gompels
- The Bristol National Health Service (NHS) Immunology Allergy Centre, Southmead Hospital, North Bristol National Health Service (NHS) Trust, Bristol, United Kingdom
| | - Alexandros Grammatikos
- The Bristol National Health Service (NHS) Immunology Allergy Centre, Southmead Hospital, North Bristol National Health Service (NHS) Trust, Bristol, United Kingdom
| | - Archana Herwadkar
- Immunology Department, Division of Surgery and Tertiary Medicine, Salford Royal National Health Service (NHS) Foundation Trust, Salford, United Kingdom
| | - Rehana Ayub
- Clinical Immunology, Leeds Teaching Hospitals National Health Service (NHS) Trust, Leeds, United Kingdom
| | - Neil Halliday
- University College London (UCL) Institute for Liver and Digestive Health, University College London, London, United Kingdom
- Sheila Sherlock Liver Centre, Royal Free London National Health Service (NHS) Foundation Trust, London, United Kingdom
| | - Siobhan O Burns
- Department of Immunology, Royal Free London National Health Service (NHS) Foundation Trust, London, United Kingdom
- Institute of Immunity and Transplantation, University College London, London, United Kingdom
| | - John R Hurst
- University College London (UCL) Respiratory, University College London, London, United Kingdom
| | - Sarah Goddard
- Department of Immunology, University Hospitals North Midlands, Royal Stoke Hospital, Stoke-on-Trent, United Kingdom
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Karabiber E, Baris S. Delineating the Clinical and Immunologic Characteristics: A Comparative Study of Inborn Errors of Immunity in Adult versus Pediatric Diagnosed. Int Arch Allergy Immunol 2024:1-13. [PMID: 39226882 DOI: 10.1159/000540538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Accepted: 07/19/2024] [Indexed: 09/05/2024] Open
Abstract
INTRODUCTION Inborn errors of immunity (IEIs) are rare genetic disorders primarily identified in children due to their significant effects on immune system functionality. However, an increasing number of IEI cases are being diagnosed in adults, attributed to delayed presentation or advancements in diagnostic capabilities. This study explores the clinical and immunologic distinctions between IEIs diagnosed in adulthood versus childhood, shedding light on their differential presentations, the impact of diagnostic delays, and treatment outcomes. METHODS This study focused on 122 adult patients with IEI above 17 years old, diagnosed in adulthood or childhood. We collected comprehensive data on demographics, clinical presentations, genetic mutations, and therapeutic interventions. RESULTS The study revealed that 72.9% of participants were diagnosed in adulthood, facing a median diagnostic delay of 96 months. Diagnostic delays were longer in adults (132 months vs. 24 months) than in children. The most common clinical manifestations at onset were recurrent infections (46.7%) and autoimmunity (18%). Predominantly antibody deficiency was the most frequently diagnosed immunodeficiency (54.9%), followed by immunodysregulation at a rate of 26.2%. A higher incidence of immune thrombocytopenia or other complications, such as hepatomegaly and enteropathy, was observed in adult-diagnosed patients with IEI. Malignancies were more prevalent in patients with adult-onset IEI compared to those with childhood-onset (18.1% vs. 5.2%). Overall, 15 different malignancies were recorded in 13 patients (10.6%), including lymphomas and cancers of the stomach, thymus, skin, breast, and colon. CONCLUSIONS The findings highlight a considerable diagnostic delay in recognizing IEI, especially in adults, and illustrate distinct differences in disease manifestation and progression between adult-onset and delayed-diagnosis groups.
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Affiliation(s)
- Esra Karabiber
- Division of Adult Immunology and Allergy, Department of Chest Diseases, Pendik Training and Research Hospital, Marmara University, Istanbul, Turkey
| | - Safa Baris
- Division of Pediatric Allergy and Immunology, School of Medicine, Marmara University, Istanbul, Turkey
- Istanbul Jeffrey Modell Diagnostic and Research Center for Primary Immunodeficiencies, Istanbul, Turkey
- The Isil Berat Barlan Center for Translational Medicine, Istanbul, Turkey
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Mullen KR, Felippe MJB. The Horse with Recurrent Fevers and Infections: Approach to Common Variable Immunodeficiency. Vet Clin North Am Equine Pract 2024; 40:179-188. [PMID: 38789347 PMCID: PMC11223947 DOI: 10.1016/j.cveq.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2024] Open
Abstract
Equine common variable immunodeficiency (CVID) is a rare, late-onset, nonfamilial humoral deficiency characterized by B-cell depletion and/or dysfunction resulting in inadequate antibody production and predisposition to recurrent infections. Serum immunoglobulin concentration and peripheral blood lymphocyte immunophenotyping are required to diagnose and characterize CVID in horses. Early recognition of the disease by the equine practitioner is paramount to managing the quality of life for these patients, for whom specific treatment is not yet available and long-term prognosis remains poor. An approach to the diagnosis, identification of complicating factors, and management of horses with CVID are discussed.
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Affiliation(s)
- Kathleen Rory Mullen
- Department of Biomedical Informatics, University of Colorado Anschutz Medical Campus, Anschutz Health Sciences Building, 1890 North Revere Court, Mailstop F600, Aurora, CO 80045, USA
| | - Maria Julia Bevilaqua Felippe
- Department of Clinical Sciences, Cornell University College of Veterinary Medicine, 930 Campus Road, Box 34, Ithaca, NY 14853, USA.
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DiGiacomo DV, Roelstraete B, Lebwohl B, Green PHR, Hammarström L, Farmer JR, Khalili H, Ludvigsson JF. Predominantly antibody deficiency and the association with celiac disease in Sweden: A nationwide case-control study. Ann Allergy Asthma Immunol 2024; 132:752-758.e2. [PMID: 38331244 DOI: 10.1016/j.anai.2024.01.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 02/10/2024]
Abstract
BACKGROUND Predominantly antibody deficiency (PAD) is associated with noninfectious inflammatory gastrointestinal disease. Population estimates of celiac disease (CeD) risk in those with PAD are limited. OBJECTIVE To estimate population risk of PAD in individuals with CeD. METHODS We conducted a nationwide case-control study in Swedish individuals who received a diagnosis of CeD between 1997 and 2017 (n = 34,980), matched to population comparators by age, sex, calendar year, and county. The CeD was confirmed through the Epidemiology Strengthened by histopathology Reports in Sweden study, which provided information on biopsy specimens from each of Sweden's pathology departments. PAD was identified using International Classification of Diseases, 10th Revision coding and categorized according to the International Union of Immunologic Societies. Logistic regression was used to calculate adjusted odds ratios (aORs) and 95% CIs. RESULTS PAD was more prevalent in CeD than in population controls (n = 105 [0.3%] vs n = 57 [0.033%], respectively). This translated to an aOR of 8.23 (95% CI 5.95-11.48). The association was strongest with common variable immunodeficiency (aOR 17.25; 95% CI 6.86-52.40), and slightly lower in other PAD (aOR 8.39; 95% CI 5.79-12.32). The risk of CeD remained increased at least 5 years after diagnosis of PAD (aOR 4.79; 95% CI 2.89-7.97, P-heterogeneity ≤ 0.001). CONCLUSION PAD was associated with an increased risk of CeD. A particularly strong association was seen in those with CVID, although this should be interpreted cautiously given the limited understanding of the mechanisms of histopathologic changes in these patients.
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Affiliation(s)
- Daniel V DiGiacomo
- Clinical and Translational Epidemiology Unit, Mongan Institute, Massachusetts General Hospital, Boston, Massachusetts; Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
| | - Bjorn Roelstraete
- Sachs' Children and Youth Hospital, Stockholm South General Hospital, Stockholm, Sweden
| | - Benjamin Lebwohl
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York; Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York
| | - Peter H R Green
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York
| | - Lennart Hammarström
- Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden
| | - Jocelyn R Farmer
- Division of Allergy and Inflammation, Beth Israel Lahey Health, Harvard Medical School, Boston, Massachusetts
| | - Hamed Khalili
- Clinical and Translational Epidemiology Unit, Mongan Institute, Massachusetts General Hospital, Boston, Massachusetts; Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Division of Clinical Epidemiology, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden
| | - Jonas F Ludvigsson
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, New York; Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden; Department of Pediatrics, Orebro University Hospital, Orebro, Sweden.
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Rutkowska-Zapała M, Grabowska-Gurgul A, Lenart M, Szaflarska A, Kluczewska A, Mach-Tomalska M, Baj-Krzyworzeka M, Siedlar M. Gene Signature of Regulatory T Cells Isolated from Children with Selective IgA Deficiency and Common Variable Immunodeficiency. Cells 2024; 13:417. [PMID: 38474381 DOI: 10.3390/cells13050417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/09/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
Selective IgA deficiency (SIgAD) is the most common form and common variable immunodeficiency (CVID) is the most symptomatic form of predominant antibody deficiency. Despite differences in the clinical picture, a similar genetic background is suggested. A common feature of both disorders is the occurrence of autoimmune conditions. Regulatory T cells (Tregs) are the major immune cell type that maintains autoimmune tolerance. As the different types of abnormalities of Treg cells have been associated with autoimmune disorders in primary immunodeficiency (PID) patients, in our study we aimed to analyze the gene expression profiles of Treg cells in CVID and SIgAD patients compared to age-matched healthy controls. The transcriptome-wide gene profiling was performed by microarray technology. As a result, we analyzed and visualized gene expression patterns of isolated population of Treg cells. We showed the differences at the gene level between patients with and without autoimmunizations. Our findings suggest that the gene signatures of Treg cells isolated from SIgAD and CVID patients differ from age-matched healthy controls and from each other, presenting transcriptional profiles enriched in innate immune or Th response, respectively. The occurrence of autoimmunity in both types of PID is associated with down-regulation of class I IFNs signaling pathways. In summary, our findings improve our understanding of Treg dysfunctions in patients with common PIDs and associated autoimmunity.
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Affiliation(s)
- Magdalena Rutkowska-Zapała
- Department of Clinical Immunology, Institute of Paediatrics, Jagiellonian University Medical College, Wielicka 265, 30-663 Krakow, Poland
| | - Agnieszka Grabowska-Gurgul
- Department of Medical Genetics, Institute of Paediatrics, Jagiellonian University Medical College, Wielicka 265, 30-663 Krakow, Poland
| | - Marzena Lenart
- Department of Clinical Immunology, Institute of Paediatrics, Jagiellonian University Medical College, Wielicka 265, 30-663 Krakow, Poland
| | - Anna Szaflarska
- Department of Clinical Immunology, Institute of Paediatrics, Jagiellonian University Medical College, Wielicka 265, 30-663 Krakow, Poland
| | - Anna Kluczewska
- Department of Clinical Immunology, Institute of Paediatrics, Jagiellonian University Medical College, Wielicka 265, 30-663 Krakow, Poland
| | - Monika Mach-Tomalska
- Department of Clinical Immunology, University Children's Hospital, Wielicka 265, 30-663 Krakow, Poland
| | - Monika Baj-Krzyworzeka
- Department of Clinical Immunology, Institute of Paediatrics, Jagiellonian University Medical College, Wielicka 265, 30-663 Krakow, Poland
| | - Maciej Siedlar
- Department of Clinical Immunology, Institute of Paediatrics, Jagiellonian University Medical College, Wielicka 265, 30-663 Krakow, Poland
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Dahl C, Petersen I, Ilkjær FV, Westh L, Katzenstein TL, Hansen ABE, Nielsen TL, Larsen CS, Johansen IS, Rasmussen LD. Missed Opportunities to Diagnose Common Variable Immunodeficiency: a Population-Based Case-Control Study Identifying Indicator Diseases for Common Variable Immunodeficiency. J Clin Immunol 2023; 43:2104-2114. [PMID: 37770805 PMCID: PMC10661759 DOI: 10.1007/s10875-023-01590-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 09/19/2023] [Indexed: 09/30/2023]
Abstract
PURPOSE Delayed diagnosis of common variable immunodeficiency (CVID) remains a serious problem. We investigated whether some diseases diagnosed during out-patient visits or admission to hospitals could act as indicator conditions for CVID diagnosis. METHODS In this nested case-control study, we identified 128 cases diagnosed with CVID in Denmark (1999-2013) and 640 age-, gender-, and region-matched controls. We obtained data on diseases diagnosed at hospitals in the five years before CVID diagnosis from The National Hospital Registry. We grouped hospital diagnoses in 33 major disease categories and 210 subcategories. We used conditional logistic regression to calculate the odds ratios (OR) and 95% confidence intervals (CI) to estimate associations between disease exposure and subsequent CVID. RESULTS During the five years preceding a CVID diagnosis, cases had four times as many hospital contacts as the controls (p < 0.001). A diagnosis in 18 major disease categories showed a significant OR for subsequent diagnosis of CVID. The most substantial association with a subsequent CVID diagnosis was a diagnosis of lower respiratory tract infections (OR: 29.9; 95% CI: 14.2-63.2) and lung diseases (35.1; 15.0-82.5). We observed a similar association when we removed the last year before diagnosis from analysis and overall, in the years < 1, ≥ 1-3, and ≥ 3-5 before diagnosis, although the absolute number of exposures was small. Twenty-eight specific diseases displayed an at least 3-fold risk of subsequent CVID diagnosis. CONCLUSION Targeted screening for antibody deficiency in patients diagnosed with specific diseases associated with CVID may lead to earlier CVID diagnosis and treatment and thereby potentially reduced morbidity and mortality.
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Affiliation(s)
- Christina Dahl
- Department of Infectious Diseases, Odense University Hospital, J. B. Winsløws Vej 4, Odense, Denmark.
| | - Inge Petersen
- Department of Infectious Diseases, Odense University Hospital, J. B. Winsløws Vej 4, Odense, Denmark
| | - Frederik V Ilkjær
- Department of Infectious Diseases, Odense University Hospital, J. B. Winsløws Vej 4, Odense, Denmark
| | - Lena Westh
- Department of Infectious Diseases, Aarhus University Hospital, Palle Juul-Jensens Blvd. 99, Aarhus, Denmark
| | - Terese L Katzenstein
- Department of Infectious Diseases, Rigshospitalet, Copenhagen University Hospital, Esther Moellersvej 6, Copenhagen, Denmark
| | - Ann-Brit E Hansen
- Department of Infectious Diseases, Hvidovre Hospital, Copenhagen University Hospital, Kettegaard Allé 30, Copenhagen, Denmark
| | - Thyge L Nielsen
- Department of Pulmonary and Infectious Diseases, North Zealand Hospital, Dyrehavevej 29, Hillerod, Denmark
| | - Carsten S Larsen
- Department of Infectious Diseases, Aarhus University Hospital, Palle Juul-Jensens Blvd. 99, Aarhus, Denmark
- International Center of Immunodeficiency Diseases, Aarhus University Hospital, Palle Juul-Jensens Blvd. 99, Aarhus, Denmark
| | - Isik S Johansen
- Department of Infectious Diseases, Odense University Hospital, J. B. Winsløws Vej 4, Odense, Denmark
| | - Line D Rasmussen
- Department of Infectious Diseases, Odense University Hospital, J. B. Winsløws Vej 4, Odense, Denmark
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Correa-Jimenez O, Restrepo-Gualteros S, Nino G, Cunningham-Rundles C, Sullivan KE, Fuleihan RL, Gutierrez MJ. Respiratory Comorbidities Associated with Bronchiectasis in Patients with Common Variable Immunodeficiency in the USIDNET Registry. J Clin Immunol 2023; 43:2208-2220. [PMID: 37932514 PMCID: PMC11310578 DOI: 10.1007/s10875-023-01593-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 09/23/2023] [Indexed: 11/08/2023]
Abstract
BACKGROUND Bronchiectasis is a major respiratory complication in patients with common variable immunodeficiency (CVID) and is associated with recurrent pulmonary infections. However, it is unclear whether other infections or non-infectious respiratory conditions are related to its development. OBJECTIVE To identify respiratory comorbidities associated with bronchiectasis in patients with CVID. METHODS A total of 1470 CVID patients enrolled in the USIDNET registry were included in a cross-sectional analysis. The primary outcome of our study was to determine the clinical characteristics and other respiratory conditions associated with respiratory comorbidities and physician-reported bronchiectasis. RESULTS One hundred ninety-seven CVID patients were noted to have bronchiectasis (13.4%). Affected patients were significantly older than patients without bronchiectasis (median age 54 years vs. 49 years, p = 0.0004). These patients also had lower serum IgA (13 mg/dL IQR 60 mg/dL vs. 28.4 mg/dL IQR 66 mg/dL, p = 0.000). Notably, chronic rhinosinusitis (OR = 1.69 95%CI 1.05-2.75), sinusitis (OR = 2.06 95%CI 1.38-3.09), pneumonia (OR = 2.70 95%CI 1.88-3.88), COPD (OR = 2.66 95%CI 1.51-4.67), and interstitial lung disease (OR = 2.34 95%CI 1.41-3.91) were independently associated with the development of bronchiectasis in this population. CONCLUSION These data suggest that lower and upper respiratory infections, chronic lower airway disease, and interstitial lung diseases are independently associated with bronchiectasis in CVID patients. Further study into predisposing conditions related to the development of bronchiectasis in CVID patients may allow prediction and early intervention strategies to prevent the development of this complication.
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Affiliation(s)
- Oscar Correa-Jimenez
- Allergy and Immunology Unit, Fundación Neumológica Colombiana, Bogotá, D.C., Colombia
| | - Sonia Restrepo-Gualteros
- Department of Pediatrics, Universidad Nacional de Colombia School of Medicine, Bogotá, D.C., Colombia
| | - Gustavo Nino
- Division of Pediatric Pulmonary and Sleep Medicine, Children's National Hospital, Washington, DC, USA
- Department of Pediatrics, George Washington University School of Medicine, Washington, DC, USA
| | - Charlotte Cunningham-Rundles
- Division of Clinical Immunology, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Kathleen E Sullivan
- Division of Pediatric Allergy and Immunology, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Ramsay L Fuleihan
- Division of Allergy & Immunology, Columbia University Irving Medical Center, New York, NY, USA
| | - Maria J Gutierrez
- Division of Pediatric Allergy, Immunology and Rheumatology, Johns Hopkins University, 600 N. Wolfe St, CMSC 1102, Baltimore, MD, 21287, USA.
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Esmaeilzadeh H, Jokar-Derisi A, Hassani AH, Yazdani R, Delavari S, Abolhassani H, Mortazavi N, Askarisarvestani A. Assessment of the first presentations of common variable immunodeficiency in a large cohort of patients. BMC Immunol 2023; 24:9. [PMID: 37312036 DOI: 10.1186/s12865-023-00545-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 06/06/2023] [Indexed: 06/15/2023] Open
Abstract
BACKGROUND Common Variable Immunodeficiency (CVID) is a primary immunodeficiency syndrome resulting in recurrent infections, autoimmunity, and granulomatous manifestations. METHODS AND MATERIALS This retrospective study was conducted on an Iranian national registry of immunodeficient patients from 2010 to 2021. The frequency of first presentations of CVID and its association with sex, age of onset, and family history of CVID was evaluated. RESULTS A total of 383 patients entered the study, 164 of whom were female, and the rest were male. The mean age of the patients was 25.3 ± 14.5 years. The most frequent first presentations of CVID were pneumonia (36.8%) and diarrhea (19.1%). Patient sex, age of onset, and family history did not make significant differences in first presentations of this disease. CONCLUSION pneumonia is the most common first presentation of CVID. Family history of CVID, the age of symptom onset, and sex made no differences in the first presentations of CVID.
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Affiliation(s)
- Hossein Esmaeilzadeh
- Division of Allergy and Clinical Immunology, Department of Pediatrics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
- Allergy Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Armita Jokar-Derisi
- Student Research Committee, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Reza Yazdani
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Primary Immunodeficiency Diseases Network (PIDNet), Universal Scientific Education and Research Network (USERN), Tehran, Iran
- Department of Neurology, Thomas Jefferson University, Philadelphia, PA, USA
| | - Samaneh Delavari
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Hassan Abolhassani
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
- Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden
| | - Negar Mortazavi
- Department of Clinical Pharmacy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Aida Askarisarvestani
- Division of Allergy and Clinical Immunology, Department of Pediatrics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
- Department of Pediatrics, Namazee hospital, Shiraz University of Medical Sciences, Shiraz, Iran.
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DiGiacomo DV, Roelstraete B, Hammarström L, Farmer JR, Khalili H, Ludvigsson JF. Predominant Antibody Deficiency and Risk of Microscopic Colitis: a Nationwide Case-Control Study in Sweden. J Clin Immunol 2023:10.1007/s10875-023-01499-3. [PMID: 37162615 DOI: 10.1007/s10875-023-01499-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Accepted: 04/21/2023] [Indexed: 05/11/2023]
Abstract
PURPOSE : Predominant antibody deficiency (PAD) disorders, including common variable immunodeficiency (CVID), have been linked to increased risk of gastrointestinal infections and inflammatory bowel diseases. However, there are limited data on the relationship between PAD, specifically CVID, and risk of microscopic colitis (MC). METHODS We performed a nationwide case-control study of Swedish adults with MC diagnosed between 1997 and 2017 (n = 13,651). Data on biopsy-verified MC were retrieved from all of Sweden's pathology departments through the Epidemiology Strengthened by histoPathology Reports in Sweden (ESPRESSO) study. We defined predominant antibody deficiency using International Union of Immunologic Societies (IUIS) phenotypic classification. Individuals with MC were matched to population controls by age, sex, calendar year, and county. We used logistic regression to estimate adjusted odds ratios (aORs) and 95% confidence intervals (CIs). RESULTS The prevalence of PAD in MC was 0.4% as compared to 0.05% in controls. After adjustment for potential confounders, this corresponded to an aOR of 7.29 (95%CI 4.64-11.63). The magnitude of the association was higher for CVID (aOR 21.01, 95% 5.48-137.44) compared to other antibody deficiencies (aOR 6.16, 95% CI 3.79-10.14). In exploratory analyses, the association between PAD and MC was particularly strong among males (aOR 31.73, 95% CI 10.82-135.04). CONCLUSION In this population-based study, predominant antibody deficiency was associated with increased risk of MC, particularly among males. Clinicians who encounter these patients should consider a detailed infectious history and screening for antibody deficiency.
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Affiliation(s)
- Daniel V DiGiacomo
- Clinical and Translational Epidemiology Unit, Mongan Institute, Massachusetts General Hospital, Boston, MA, USA
- Division of Rheumatology, Allergy and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Bjorn Roelstraete
- Sachs' Children and Youth Hospital, Stockholm South General Hospital, Stockholm, Sweden
| | - Lennart Hammarström
- Division of Clinical Immunology and Transfusion Medicine, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Jocelyn R Farmer
- Division of Allergy and Inflammation, Beth Israel Lahey Health, Harvard Medical School, Boston, MA, USA
| | - Hamed Khalili
- Clinical and Translational Epidemiology Unit, Mongan Institute, Massachusetts General Hospital, Boston, MA, USA.
- Division of Gastroenterology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
- Division of Clinical Epidemiology, Department of Medicine, Karolinska Institutet, Stockholm, Sweden.
| | - Jonas F Ludvigsson
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
- Department of Pediatrics, Orebro University Hospital, Orebro, Sweden
- Department of Medicine, Columbia University College of Physicians and Surgeons, New York, NY, USA
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11
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Gastrointestinal Involvement in Primary Antibody Deficiencies. GASTROINTESTINAL DISORDERS 2023. [DOI: 10.3390/gidisord5010006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Primary antibody deficiencies (PADs) are the most frequent group of inborn errors of immunity. Impaired B-cell development, reduced production of immunoglobulins (mainly IgG and IgA), and specific antibodies resulting in recurrent infections are their hallmarks. Infections typically affect the respiratory tract; however, gastrointestinal involvement is also common. These include infection with Helicobacter pylori, Salmonella, Campylobacter species, Giardia, and noroviruses. Impaired IgA production also contributes to dysbiosis and thereby an increase in abundance of species with proinflammatory properties, resulting in immune system dysregulation. Dysregulation of the immune system results in a broad spectrum of non-infectious manifestations, including autoimmune, lymphoproliferative, and granulomatous complications. Additionally, it increases the risk of malignancy, which may be present in more than half of patients with PADs. Higher prevalence is often seen in monogenic causes, and gastrointestinal involvement may clinically mimic various conditions including inflammatory bowel diseases and celiac disease but possess different immunological features and response to standard treatment, which make diagnosis and therapy challenging. The spectrum of malignancies includes gastric cancer and lymphoma. Thus, non-infectious manifestations significantly affect mortality and morbidity. In this overview, we provide a comprehensive insight into the epidemiology, genetic background, pathophysiology, and clinical manifestations of infectious and non-infectious complications.
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12
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Peng XP, Caballero-Oteyza A, Grimbacher B. Common Variable Immunodeficiency: More Pathways than Roads to Rome. ANNUAL REVIEW OF PATHOLOGY 2023; 18:283-310. [PMID: 36266261 DOI: 10.1146/annurev-pathmechdis-031521-024229] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Fifty years have elapsed since the term common variable immunodeficiency (CVID) was introduced to accommodate the many and varied antibody deficiencies being identified in patients with suspected inborn errors of immunity (IEIs). Since then, how the term is understood and applied for diagnosis and management has undergone many revisions, though controversy persists on how exactly to define and classify CVID. Many monogenic disorders have been added under its aegis, while investigations into polygenic, epigenetic, and somatic contributions to CVID susceptibility have gained momentum. Expansion of the overall IEI landscape has increasingly revealed genotypic and phenotypic overlap between CVID and various other immunological conditions, while increasingly routine genotyping of CVID patients continues to identify an incredible diversity of pathophysiological mechanisms affecting even single genes. Though many questions remain to be answered, the lessons we have already learned from CVID biology have greatly informed our understanding of adaptive, but also innate, immunity.
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Affiliation(s)
- Xiao P Peng
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, University Medical Center Freiburg, Freiburg, Germany; .,Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Andrés Caballero-Oteyza
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, University Medical Center Freiburg, Freiburg, Germany; .,Resolving Infection Susceptibility (RESIST) Cluster of Excellence, Hanover Medical School, Satellite Center Freiburg, Freiburg, Germany
| | - Bodo Grimbacher
- Institute for Immunodeficiency, Center for Chronic Immunodeficiency, University Medical Center Freiburg, Freiburg, Germany; .,Resolving Infection Susceptibility (RESIST) Cluster of Excellence, Hanover Medical School, Satellite Center Freiburg, Freiburg, Germany.,Center for Integrative Biological Signaling Studies, University of Freiburg, Freiburg, Germany.,Department of Rheumatology and Clinical Immunology, University Medical Center Freiburg, Freiburg, Germany.,German Center for Infection Research (DZIF), Satellite Center Freiburg, Freiburg, Germany
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13
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Milota T, Smetanova J, Bartunkova J. Clinical Outcome of Coronavirus Disease 2019 in Patients with Primary Antibody Deficiencies. Pathogens 2023; 12:pathogens12010109. [PMID: 36678457 PMCID: PMC9860966 DOI: 10.3390/pathogens12010109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/30/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
In 2019, the novel coronavirus, SARS-CoV-2, caused a worldwide pandemic, affecting more than 630 million individuals and causing 6.5 million deaths. In the general population, poorer outcomes have been associated with older age, chronic lung and cardiovascular diseases, and lymphopenia, highlighting the important role of cellular immunity in the immune response against SARS-CoV-2. Moreover, SARS-CoV-2 variants may have a significant impact on disease severity. There is a significant overlap with complications commonly found in inborn errors of immunity (IEI), such as primary antibody deficiencies. The results of various studies have provided ambiguous findings. Several studies identified risk factors in the general population with a minor impact on SARS-CoV-2 infection. However, other studies have found a significant contribution of underlying immunodeficiency and immune-system dysregulation to the disease course. This ambiguity probably reflects the demographic differences and viral evolution. Impaired antibody production was associated with prolonged viral shedding, suggesting a critical role of humoral immunity in controlling SARS-CoV-2 infection. This may explain the poorer outcomes in primary antibody deficiencies compared to other IEIs. Understanding coronavirus disease 2019 (COVID-19) pathogenesis and identifying risk factors may help us identify patients at high risk of severe COVID-19 for whom preventive measures should be introduced.
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14
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Skin Manifestations in Patients with Selective Immunoglobulin E Deficiency. J Clin Med 2022; 11:jcm11226795. [PMID: 36431272 PMCID: PMC9694019 DOI: 10.3390/jcm11226795] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/08/2022] [Accepted: 11/12/2022] [Indexed: 11/19/2022] Open
Abstract
Selective immunoglobulin E deficiency (SIgED) is still an unrecognised primary immunodeficiency despite several observations supporting its existence. This study aimed to describe the skin manifestations associated with SIgED. We retrospectively assessed medical records of patients with SIgED, the diagnosis being based on serum IgE levels ≤2 Uk/L associated with normal serum levels of immunoglobulins G, M, and A. A total of 25 patients (24 female) with SIgED were included in the study. Eleven patients (44%) presented chronic spontaneous urticaria (CSU), five (20%) angioedema always associated with CSU, five erythema (20%), and six eczema (24%). Other, less frequent manifestations were lichen planus, anaphylactoid purpura, thrombocytopenic purpura, bullous pemphigoid, bullous pyoderma gangrenosum, and atypical skin lymphoproliferative infiltrate associated with reactive lymphadenopathy, chronic cholestasis, arthritis, and fibrosing mediastinitis. Fifteen patients (60%) had different types of associated autoimmune diseases, Hashimoto's thyroiditis being the most frequent (n = 5, 20%), followed by arthritis (n = 4, 16%), autoimmune hepatitis, neutropenia, vitiligo, and Sjögren's syndrome (n = 2, 8% each). Five malignancies were diagnosed in four patients (16%). An ultralow IgE serum level may be the only biomarker that reveals the presence of a dysregulated immune system in patients with a broad spectrum of skin manifestations.
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15
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An Expert Opinion/Approach: Clinical Presentations, Diagnostic Considerations, and Therapeutic Options for Gastrointestinal Manifestations of Common Variable Immune Deficiency. Am J Gastroenterol 2022; 117:1743-1752. [PMID: 36148549 DOI: 10.14309/ajg.0000000000002027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 09/16/2022] [Indexed: 01/11/2023]
Abstract
Common variable immunodeficiency (CVID) is the most common symptomatic primary immunodeficiency. It is characterized by impaired B-cell differentiation. Although patients can be diagnosed with CVID anytime during their lifetime, most patients have symptoms for 5-9 years before their diagnosis. The diagnosis of CVID starts with a detailed history focusing on the infectious and noninfectious manifestations of the disease. In patients who are suspected to experience CVID, quantitative immunoglobulins (Ig) should be checked to confirm the diagnosis. IgG should be at least 2 times less than the age-specific SD along with either a low IgA or IgM and with evidence of impaired vaccine response. CVID is usually associated with infectious and/or noninfectious conditions, the latter of which can be inflammatory, autoimmune, lymphoproliferative, or malignant, among other manifestations. Ig therapy has positively affected the disease course of patients with infectious complications but has limited effect on the noninfectious manifestations because the noninfectious complications are related to immune dysregulation involving B cells and T cells rather than primarily due to antibody deficiency. When the gastrointestinal (GI) system is involved, patients with CVID may display signs and symptoms that mimic several GI conditions such as celiac disease, pernicious anemia, or inflammatory bowel diseases. The inflammatory bowel disease-like condition is usually treated with steroids, 5-aminosalicylates, thiopurines, or biologic agents to control the inflammation. In this review, the clinical presentations, diagnostic considerations, and therapeutic options for GI manifestations of CVID will be discussed to facilitate the individualized management of these often-complex patients.
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16
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Çölkesen F, Kepenek Kurt E, Vatansev H, Korkmaz C, Çölkesen F, Yücel F, Yıldız E, Evcen R, Aykan FS, Kılınç M, Aytekin G, Feyzioğlu B, Doğan M, Arslan Ş, Teke T, Keleş S, Reisli İ. Memory B cells and serum immunoglobulins are associated with disease severity and mortality in patients with COVID-19. Postgrad Med J 2022; 98:765-771. [PMID: 37062997 PMCID: PMC8783971 DOI: 10.1136/postgradmedj-2021-140540] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Accepted: 01/06/2022] [Indexed: 12/24/2022]
Abstract
PURPOSE OF THE STUDY The aim of this study was to investigate the relationship of B cell-mediated immunity with disease severity and mortality in patients with COVID-19. STUDY DESIGN In this retrospective cohort and single-centre study, 208 patients with laboratory-confirmed COVID-19 were recruited. A COVID-19 severity score, ranging from 0 to 10, was used to evaluate associations between various factors. Serum immunoglobulin levels and the number of cells in B lymphocyte subsets were measured and their association with disease severity and mortality in patients with COVID-19 examined. RESULTS The median age of the patients was 50 (35-63) years and 88 (42%) were female. The number of deceased patients was 17. The median COVID-19 severity score was 8 (6-8) in deceased patients and 1 (0-2) in survivors. Deceased patients had significantly lower levels of total B lymphocytes, naive B cells, switched memory B cells, and serum IgA, IgG, IgG1 and IgG2 than recovered patients (all p<0.05). In addition, a significant negative correlation was found between the number of these parameters and COVID-19 severity scores. Decrease in the number of total B cells and switched memory B cells as well as lower serum IgA, IgG and IgG1 levels were independent risk factors for mortality in patients with COVID-19. CONCLUSION In the present study, the prognosis of patients with COVID-19 was shown to be associated with the B cell subset and serum immunoglobulin levels.
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Affiliation(s)
- Fatih Çölkesen
- Division of Clinical Immunology and Allergy, Department of Internal Medicine, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Esma Kepenek Kurt
- Department of Infectious Diseases and Clinical Microbiology, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Hülya Vatansev
- Department of Chest Diseases, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Celalettin Korkmaz
- Department of Chest Diseases, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Fatma Çölkesen
- Department of Infectious Diseases and Clinical Microbiology, Konya Training and Research Hospital, Konya, Turkey
| | - Fatih Yücel
- Department of General Intensive Care Unit, Konya Training and Research Hospital, Konya, Turkey
| | - Eray Yıldız
- Division of Clinical Immunology and Allergy, Department of Internal Medicine, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Recep Evcen
- Division of Clinical Immunology and Allergy, Department of Internal Medicine, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Filiz Sadi Aykan
- Division of Clinical Immunology and Allergy, Department of Internal Medicine, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Mehmet Kılınç
- Division of Clinical Immunology and Allergy, Department of Internal Medicine, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Gökhan Aytekin
- Division of Clinical Immunology and Allergy, Department of Internal Medicine, Konya Training and Research Hospital, Konya, Turkey
| | - Bahadır Feyzioğlu
- Division of Medical Virology, Department of Medical Microbiology, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Metin Doğan
- Department of Medical Microbiology, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Şevket Arslan
- Division of Clinical Immunology and Allergy, Department of Internal Medicine, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Turgut Teke
- Department of Chest Diseases, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - Sevgi Keleş
- Division of Pediatric Allergy and Immunology, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
| | - İsmail Reisli
- Division of Pediatric Allergy and Immunology, Necmettin Erbakan University Meram Faculty of Medicine, Konya, Turkey
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17
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Lötscher F, Pop R, Seitz P, Recher M, Seitz L. Spectrum of Large- and Medium-Vessel Vasculitis in Adults: Neoplastic, Infectious, Drug-Induced, Autoinflammatory, and Primary Immunodeficiency Diseases. Curr Rheumatol Rep 2022; 24:293-309. [PMID: 35920952 PMCID: PMC9362566 DOI: 10.1007/s11926-022-01083-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2022] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW To provide a comprehensive review of drugs and neoplastic, infectious, autoinflammatory, and immunodeficiency diseases causing medium- to large-vessel vasculitis in adults with emphasis on information essential for the initial diagnostic process. RECENT FINDINGS Entities with medium- to large-vessel vasculitis as clinical manifestations have been described recently (e.g., adenosine deaminase-2 deficiency, VEXAS-Syndrome), and vasculitis in established autoinflammatory or immunodeficiency diseases is increasingly being identified. In the diagnostic process of medium- to large-vessel vasculitis in adults, a large variety of rare diseases should be included in the differential diagnosis, especially if diagnosis is made without histologic confirmation and in younger patients. Although these disorders should be considered, they will undoubtedly remain rare in daily practice.
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Affiliation(s)
- Fabian Lötscher
- Department of Rheumatology and Immunology, Inselspital, University Hospital, University of Bern, Freiburgstrasse, CH-3010, Bern, Switzerland
| | - Roxana Pop
- Department of Infectious Diseases and Hospital Hygiene, University Hospital, University of Zurich, Zurich, Switzerland
| | - Pascal Seitz
- Department of Rheumatology and Immunology, Inselspital, University Hospital, University of Bern, Freiburgstrasse, CH-3010, Bern, Switzerland
| | - Mike Recher
- Immunodeficiency Laboratory, Department of Biomedicine, University Hospital and University of Basel, Basel, Switzerland
- University Center for Immunology, University Hospital, Basel, Switzerland
| | - Luca Seitz
- Department of Rheumatology and Immunology, Inselspital, University Hospital, University of Bern, Freiburgstrasse, CH-3010, Bern, Switzerland.
- Immunodeficiency Laboratory, Department of Biomedicine, University Hospital and University of Basel, Basel, Switzerland.
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18
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Walkovich K, Grunebaum E. A Sherlock Approach to a Kindred With a Variable Immunohematologic Phenotype. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:1714-1722. [PMID: 35470097 DOI: 10.1016/j.jaip.2022.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/31/2022] [Accepted: 04/01/2022] [Indexed: 06/14/2023]
Abstract
Given the ubiquity of leukopenia and sinopulmonary infections in childhood, differentiating patients with inborn errors of immunity (IEI) from otherwise healthy patients can be challenging. The diagnostic complexity is further exacerbated in disorders with wide phenotypic variability such as warts, hypogammaglobulinemia, infections, and myelokathexis (WHIM) syndrome. However, using a Sherlock approach with careful attention to details in the patient's medical history and physical examination coupled with a comprehensive family history can heighten the index of suspicion for underlying IEI. Subsequent iterative and deductive reasoning incorporating results from laboratory interrogation, response (or lack thereof) to standard therapy, and emergence of new symptoms can further aid in a timely diagnosis of IEI. Herein, we detail a WHIM syndrome kindred with marked phenotype variability, identified after the presentation of a child with intermittent neutropenia and sinopulmonary infections. The complexity of this kindred highlights the utility of an interspecialty, collaborative Sherlock approach to diagnosis, and care. In addition, the genetic underpinnings, diagnostic approaches, clinical features, supportive care options, and management of WHIM syndrome are reviewed.
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Affiliation(s)
- Kelly Walkovich
- Division of Pediatric Hematology/Oncology, Department of Pediatrics, C.S. Mott Children's Hospital, University of Michigan, Ann Arbor, Mich.
| | - Eyal Grunebaum
- Division of Immunology and Allergy, Department of Pediatrics, Hospital for Sick Children, University of Toronto, Toronto, ON, Canada
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19
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Lindemann PC, Mylvaganam H, Oppegaard O, Anthonisen IL, Zecic N, Skaare D. Case Report: Whole-Genome Sequencing of Serially Collected Haemophilus influenzae From a Patient With Common Variable Immunodeficiency Reveals Within-Host Evolution of Resistance to Trimethoprim-Sulfamethoxazole and Azithromycin After Prolonged Treatment With These Antibiotics. Front Cell Infect Microbiol 2022; 12:896823. [PMID: 35719354 PMCID: PMC9199433 DOI: 10.3389/fcimb.2022.896823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/04/2022] [Indexed: 12/01/2022] Open
Abstract
We report within-host evolution of antibiotic resistance to trimethoprim-sulfamethoxazole and azithromycin in a nontypeable Haemophilus influenzae strain from a patient with common variable immunodeficiency (CVID), who received repeated or prolonged treatment with these antibiotics for recurrent respiratory tract infections. Whole-genome sequencing of three longitudinally collected sputum isolates during the period April 2016 to January 2018 revealed persistence of a strain of sequence type 2386. Reduced susceptibility to trimethoprim-sulfamethoxazole in the first two isolates was associated with mutations in genes encoding dihydrofolate reductase (folA) and its promotor region, dihydropteroate synthase (folP), and thymidylate synthase (thyA), while subsequent substitution of a single amino acid in dihydropteroate synthase (G225A) rendered high-level resistance in the third isolate from 2018. Azithromycin co-resistance in this isolate was associated with amino acid substitutions in 50S ribosomal proteins L4 (W59R) and L22 (G91D), possibly aided by a substitution in AcrB (A604E) of the AcrAB efflux pump. All three isolates were resistant to aminopenicillins and cefotaxime due to TEM-1B beta-lactamase and identical alterations in penicillin-binding protein 3. Further resistance development to trimethoprim-sulfamethoxazole and azithromycin resulted in a multidrug-resistant phenotype. Evolution of multidrug resistance due to horizontal gene transfer and/or spontaneous mutations, along with selection of resistant subpopulations is a particular risk in CVID and other patients requiring repeated and prolonged antibiotic treatment or prophylaxis. Such challenging situations call for careful antibiotic stewardship together with supportive and supplementary treatment. We describe the clinical and microbiological course of events in this case report and address the challenges encountered.
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Affiliation(s)
| | - Haima Mylvaganam
- Department of Microbiology, Haukeland University Hospital, Bergen, Norway
| | - Oddvar Oppegaard
- Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | | | - Nermin Zecic
- Department of Microbiology, Vestfold Hospital Trust, Tønsberg, Norway
| | - Dagfinn Skaare
- Department of Microbiology, Vestfold Hospital Trust, Tønsberg, Norway
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20
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Zissler UM, Thron A, Eckrich J, Bakhtiar S, Schubert R, Zielen S. Bronchial inflammation biomarker patterns link humoral immunodeficiency with bronchiectasis-related small airway dysfunction. Clin Exp Allergy 2022; 52:760-773. [PMID: 35353925 DOI: 10.1111/cea.14140] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 03/09/2022] [Accepted: 03/27/2022] [Indexed: 12/16/2022]
Abstract
BACKGROUND The progression of chronic destructive lung disease in patients with humoral immunodeficiency (ID) and concomitant development of bronchiectasis is difficult to prevent. Lung function tests in these patients typically show bronchial obstruction of the small airways in combination with increased air trapping in the distal airways, which is consistent with small airway dysfunction. OBJECTIVE The objective was to assess the grade of chronic lower airway inflammation and small airway dysfunction from induced sputum and the corresponding local pro-inflammatory mediator pattern to discriminate patients affected by bronchiectasis-related Small Airway Dysfunction (SAD). METHODS In a prospective design, 22 patients with ID (14 CVID, 3 XLA, 3 hyper-IgM syndrome, 1 hyper-IgE syndrome and low IgG levels due to treatment with rituximab and 1 SCID after BMT and persistent humoral defect) and 21 healthy controls were examined. Lung function, Fraction Expiratory Nitric Oxide (FeNO) and pro-inflammatory cytokine levels were compared in subsets of patients with (ID + BE) and without bronchiectasis (ID) pre-stratified using high-resolution computed tomography (HRCT) scans and control subjects. RESULTS Analysis of induced sputum showed significantly increased total cell counts and severe neutrophilic inflammation in ID. The concomitant SAD revealed higher total cell numbers compared to ID. Bronchial inflammation in ID is clearly mirrored by pro-inflammatory mediators IL-1β, IL-6 and CXCL-8, whilst TNF-α revealed a correlation with lung function parameters altered in the context of bronchiectasis-related Small Airway Dysfunction. CONCLUSIONS In spite of immunoglobulin substitution, bronchial inflammation was dominated by neutrophils and was highly increased in patients with ID + BE. Notably, the pro-inflammatory cytokines in patients with ID were significantly increased in induced sputum. The context-dependent cytokine pattern in relation to the presence of concomitant bronchiectasis associated with SAD in ID patients could be helpful in delimiting ID patient subgroups and individualizing therapeutic approaches.
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Affiliation(s)
- Ulrich M Zissler
- Center of Allergy & Environment (ZAUM), Technical University of Munich and Helmholtz Center Munich, German Research Center for Environmental Health, Germany, Member of the German Center for Lung Research (DZL), Munich, Germany
| | - Aljoscha Thron
- Division of Allergology, Pulmonology and Cystic Fibrosis, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Jonas Eckrich
- Department of Otorhinolaryngology, University Medical Center Bonn (UKB), Bonn, Germany
| | - Shahrzad Bakhtiar
- Division for Stem Cell Transplantation, Immunology and Intensive Care Unit, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Ralf Schubert
- Division of Allergology, Pulmonology and Cystic Fibrosis, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
| | - Stefan Zielen
- Division of Allergology, Pulmonology and Cystic Fibrosis, Department for Children and Adolescents, Goethe University, Frankfurt, Germany
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21
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Carpenter SM, Lu LL. Leveraging Antibody, B Cell and Fc Receptor Interactions to Understand Heterogeneous Immune Responses in Tuberculosis. Front Immunol 2022; 13:830482. [PMID: 35371092 PMCID: PMC8968866 DOI: 10.3389/fimmu.2022.830482] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 02/07/2022] [Indexed: 12/25/2022] Open
Abstract
Despite over a century of research, Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis (TB), continues to kill 1.5 million people annually. Though less than 10% of infected individuals develop active disease, the specific host immune responses that lead to Mtb transmission and death, as well as those that are protective, are not yet fully defined. Recent immune correlative studies demonstrate that the spectrum of infection and disease is more heterogenous than has been classically defined. Moreover, emerging translational and animal model data attribute a diverse immune repertoire to TB outcomes. Thus, protective and detrimental immune responses to Mtb likely encompass a framework that is broader than T helper type 1 (Th1) immunity. Antibodies, Fc receptor interactions and B cells are underexplored host responses to Mtb. Poised at the interface of initial bacterial host interactions and in granulomatous lesions, antibodies and Fc receptors expressed on macrophages, neutrophils, dendritic cells, natural killer cells, T and B cells have the potential to influence local and systemic adaptive immune responses. Broadening the paradigm of protective immunity will offer new paths to improve diagnostics and vaccines to reduce the morbidity and mortality of TB.
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Affiliation(s)
- Stephen M. Carpenter
- Division of Infectious Disease and HIV Medicine, Department of Medicine, Case Western Reserve University, Cleveland, OH, United States
- Cleveland Medical Center, University Hospitals Cleveland Medical Center, Cleveland, OH, United States
| | - Lenette L. Lu
- Division of Geographic Medicine and Infectious Diseases, Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX, United States
- Department of Immunology, UT Southwestern Medical Center, Dallas, TX, United States
- Parkland Health and Hospital System, Dallas, TX, United States
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22
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Kabir A, Alizadehfar R, Tsoukas CM. Good's Syndrome: Time to Move on From Reviewing the Past. Front Immunol 2022; 12:815710. [PMID: 35095915 PMCID: PMC8790113 DOI: 10.3389/fimmu.2021.815710] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 12/22/2021] [Indexed: 01/06/2023] Open
Abstract
For seven decades, the pathophysiology of Good’s syndrome (GS) has remained a mystery, with few attempts to solve it. Initially described as an association between hypogammaglobulinemia and thymoma, controversy exists whether this is a unique disease, or a subgroup of Common Variable Immune Deficiency (CVID). Recently, some distinguishing aspects of both syndromes have come to light reflecting fundamental differences in their underlying pathophysiology. GS and CVID differ in demographic features and immune phenotype. GS is found almost exclusively in adults and is characterized by a significantly reduced or absence of peripheral B cells. In CVID, which also occurs in children, most patients have normal or slightly reduced peripheral B cells, with a distinguishing feature of low memory B cells. Similarly, differences in T cell dysregulation and manifestations of hematologic cytopenias may further distinguish GS from CVID. Knowledge of the clinical phenotype of this rare adult immune deficiency stems from individual case reports, retrospective, and cross-sectional data on a few cohorts with a limited number of well characterized patients. The understanding of pathophysiology in GS is hampered by the incomplete and inconsistent reporting of clinical and laboratory data, with a limited knowledge of its natural history. In this mini review, we discuss current state of the art data and identify research gaps. In order to resolve controversies and fill in knowledge gaps, we propose a coordinated paradigm shift from incidence reporting to robust investigative studies, addressing mechanisms of disease. We hope this novel approach sets a clear direction to solve the current controversies.
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Affiliation(s)
- Aunonna Kabir
- Department of Experimental Medicine, McGill University, Montreal, QC, Canada
| | - Reza Alizadehfar
- Department of Medicine, Divisions of Allergy and Clinical Immunology, and Pediatrics, McGill University, Montreal, QC, Canada
| | - Christos M Tsoukas
- Department of Experimental Medicine, McGill University, Montreal, QC, Canada.,Department of Medicine, Division of Allergy and Clinical Immunology, McGill University, Montreal, QC, Canada.,Division of Experimental Medicine, Research Institute of the McGill University Health Centre, McGill University, Montreal, QC, Canada
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23
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The pediatric common variable immunodeficiency - from genetics to therapy: a review. Eur J Pediatr 2022; 181:1371-1383. [PMID: 34939152 PMCID: PMC8964589 DOI: 10.1007/s00431-021-04287-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/20/2021] [Accepted: 10/03/2021] [Indexed: 12/15/2022]
Abstract
UNLABELLED Common variable immunodeficiency (CVID) is the most prevalent antibody deficiency, characterized by remarkable genetic, immunological, and clinical heterogeneity. The diagnosis of pediatric CVID is challenging due to the immaturity of the immune response and sustained actively developing antibody affinity to antigens and immunological memory that may overlap with the inborn error of immunity. Significant progress has been recently done in the field of immunogenetics, yet a paucity of experimental and clinical studies on different systemic manifestations and immunological features of CVID in children may contribute to a delayed diagnosis and therapy. In this review, we aimed at defining the variable epidemiological, etiological, and clinical aspects of pediatric CVID with special emphasis on predominating infectious and non-infectious phenotypes in affected children. CONCLUSION While pediatric CVID is a multifaceted and notorious disease, increasing the pediatricians' awareness of this disease entity and preventing the diagnostic and therapeutic delay are needed, thereby improving the prognosis and survival of pediatric CVID patients. WHAT IS KNOWN • CVID is an umbrella diagnosis characterized by complex pathophysiology with an antibody deficiency as a common denominator. • It is a multifaceted disease characterized by marked genetic, immunological, and clinical heterogeneity.. WHAT IS NEW • The diagnosis of pediatric CVID is challenging due to the immaturity of innate and adaptive immune response. • Increasing the pediatricians' awareness of CVID for the early disease recognition, timely therapeutic intervention, and improving the prognosis is needed.
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24
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Szczawińska-Popłonyk A, Ta Polska-Jóźwiak K, Schwartzmann E, Popłonyk N. Immune Dysregulation in Pediatric Common Variable Immunodeficiency: Implications for the Diagnostic Approach. Front Pediatr 2022; 10:855200. [PMID: 35402361 PMCID: PMC8983883 DOI: 10.3389/fped.2022.855200] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/15/2022] [Indexed: 11/13/2022] Open
Abstract
Infections and infectious complications are hallmarks of common variable immunodeficiency (CVID) and the leading cause of morbidity and mortality in affected patients at any age. However, the pediatric CVID is no longer perceived as a primary immunodeficiency associated solely with infectious manifestations; autoimmune, allergic, lymphoproliferative, and malignant disorders and organ-specific immunopathology also characterize the spectrum of non-infectious complications. In this study, we sought to determine the role of immune dysregulation and frequency of non-infectious sequelae in children affected with CVID. We also aimed at providing an insight into the pathogenesis of non-infectious complications and at delineating the diagnostic approach to pediatric CVID with immune dysregulation. An in-depth retrospective analysis of clinical manifestations and their correlations with selected immune parameters was performed in a group of 39 CVID children, followed by our pediatric immunology department. Whereas recurrent sinopulmonary infections were present in all (100%) of the children studied, an unexpectedly high rate of non-infectious disorders and immune dysregulation phenotypes were observed in as many as 32 (82.05%) patients, compared with infection-only phenotypes limited to 7 (17.95%) male patients. The most common inflammatory comorbidity was asthma, diagnosed in 21 (53.85%) patients. The second most frequent immune dysregulation group was autoimmune disorders, present in 18 (46.15%) of the children studied with a high rate of autoimmune thyroiditis in as many as 10 (25.64%) of the CVID-affected children. Lymphoproliferation was seen in 14 children (35.90%), and, among them, lymphadenopathy occurred in nine (23.08%) cases and granulomatous lymphocytic interstitial lung disease in seven (17.95%) cases. Finally, malignancies occurred in two female patients (5.13%), papillary thyroid cancer in the first one and T-cell lymphoblastic leukemia in the other one. The most prominent abnormalities in the B- and T-cell compartment contributing to complex immune deficiency and immune dysregulation phenotypes were seen in the autoimmunity group, showing significant reductions in the switched memory B cell, naive T helper cell, and regulatory T-cell subsets. Herein, we document the previously unreported high rate of immune dysregulation in pediatric CVID as a clinical and diagnostic challenge with the variability of defects in the humoral and cellular immune responses.
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Affiliation(s)
- Aleksandra Szczawińska-Popłonyk
- Department of Pediatric Pneumonology, Allergy and Clinical Immunology, Institute of Pediatrics, Poznań University of Medical Sciences, Poznań, Poland
| | - Katarzyna Ta Polska-Jóźwiak
- Department of Pediatric Pneumonology, Allergy and Clinical Immunology, Institute of Pediatrics, Poznań University of Medical Sciences, Poznań, Poland
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25
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Picado C, de Landazuri IO, Vlagea A, Bobolea I, Arismendi E, Amaro R, Sellarés J, Bartra J, Sanmarti R, Hernandez-Rodriguez J, Mascaró JM, Colmenero J, Vaquero EC, Pascal M. Spectrum of Disease Manifestations in Patients with Selective Immunoglobulin E Deficiency. J Clin Med 2021; 10:jcm10184160. [PMID: 34575269 PMCID: PMC8466644 DOI: 10.3390/jcm10184160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 09/10/2021] [Accepted: 09/12/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Selective IgE deficiency (SIgED) has been previously evaluated in selected patients from allergy units. This study investigates the effects of SIgED on the entire population in a hospital setting and sought to delineate in detail the clinical aspects of SIgED. METHODS A retrospective study of the data obtained from electronic medical records of 52 adult patients (56% female) with a mean age of 43 years and IgE levels of <2.0 kU/L with normal immunoglobulin (Ig) IgG, IgA, and IgM levels, seen at our hospital, without selection bias, from 2010 to 2019. RESULTS Recurrent upper respiratory infections were recorded in 18 (34.6%) patients, pneumonia was recorded in 16 (30.7%) patients, bronchiectasis was recorded in 16 (30.7%) patients, and asthma was recorded in 10 (19.2%) patients. Eighteen patients (34.6%) suffered autoimmune clinical manifestations either isolated (19%) or combining two or more diseases (15%), Hashimoto's thyroiditis being the most frequent (19%), which was followed by arthritis (10%) and thrombocytopenia and/or neutropenia (5.7%). Other less frequent associations were Graves' disease, primary sclerosing cholangitis, Sjögren's syndrome, and autoimmune hepatitis. Eczematous dermatitis (15.3%), chronic spontaneous urticaria (17.3%), and symptoms of enteropathy (21%) were also highly prevalent. Thirty percent of patients developed malignancies, with non-Hodgkin lymphomas (13.4%) being the most prevalent. CONCLUSIONS The clinical manifestations of SIgED encompass a variety of infectious, non-infectious complications, and malignancy. Since it cannot be ruled out that some type of selection bias occurred in the routine assessment of IgE serum Ievels, prospective studies are required to better characterize SIgED and to determine whether it should be added to the list of antibody deficiencies.
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Affiliation(s)
- César Picado
- Institut Clinic Respiratory, Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain; (I.B.); (E.A.); (R.A.); (J.S.); (J.B.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), 28029 Madrid, Spain
- Correspondence:
| | - Iñaki Ortiz de Landazuri
- Immunology Department, CDB. Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain; (I.O.d.L.); (A.V.)
| | - Alexandru Vlagea
- Immunology Department, CDB. Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain; (I.O.d.L.); (A.V.)
| | - Irina Bobolea
- Institut Clinic Respiratory, Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain; (I.B.); (E.A.); (R.A.); (J.S.); (J.B.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), 28029 Madrid, Spain
| | - Ebymar Arismendi
- Institut Clinic Respiratory, Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain; (I.B.); (E.A.); (R.A.); (J.S.); (J.B.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), 28029 Madrid, Spain
| | - Rosanel Amaro
- Institut Clinic Respiratory, Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain; (I.B.); (E.A.); (R.A.); (J.S.); (J.B.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), 28029 Madrid, Spain
| | - Jacobo Sellarés
- Institut Clinic Respiratory, Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain; (I.B.); (E.A.); (R.A.); (J.S.); (J.B.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
- Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), 28029 Madrid, Spain
| | - Joan Bartra
- Institut Clinic Respiratory, Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain; (I.B.); (E.A.); (R.A.); (J.S.); (J.B.)
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
| | - Raimon Sanmarti
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
- Department of Rheumatology, Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain
| | - José Hernandez-Rodriguez
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
- Department of Autoimmune Diseases, Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain
| | - José-Manuel Mascaró
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
- Department of Dermatology, Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain
| | - Jordi Colmenero
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
- Liver Unit, Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain
- Centro de Investigaciones en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
| | - Eva C. Vaquero
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
- Centro de Investigaciones en Red de Enfermedades Hepáticas y Digestivas (CIBEREHD), 28029 Madrid, Spain
- Department of Gastroenterology, Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain
| | - Mariona Pascal
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (R.S.); (J.H.-R.); (J.-M.M.); (J.C.); (E.C.V.); (M.P.)
- Immunology Department, CDB. Hospital Clinic, Universitat de Barcelona, 08036 Barcelona, Spain; (I.O.d.L.); (A.V.)
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