1
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Latour S. Inherited immunodeficiencies associated with proximal and distal defects in T cell receptor signaling and co-signaling. Biomed J 2022; 45:321-333. [PMID: 35091087 PMCID: PMC9250091 DOI: 10.1016/j.bj.2022.01.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 12/24/2022] Open
Affiliation(s)
- Sylvain Latour
- Laboratory of Lymphocyte Activation and Susceptibility to EBV infection, Inserm UMR 1163, Université de Paris, Institut Imagine, Paris, France.
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2
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Chung H, Green PHR, Wang TC, Kong XF. Interferon-Driven Immune Dysregulation in Down Syndrome: A Review of the Evidence. J Inflamm Res 2021; 14:5187-5200. [PMID: 34675597 PMCID: PMC8504936 DOI: 10.2147/jir.s280953] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/22/2021] [Indexed: 01/15/2023] Open
Abstract
Down syndrome (DS) is a unique genetic disease caused by the presence of an extra copy of chromosome 21, which carries four of the six interferon receptor (IFN-R) genes on its long arm. Recent studies reporting higher levels of interferon-stimulated gene (ISG) expression in primary immune cells studied ex vivo have suggested that the additional copies of the IFN-R genes in DS result in mild interferonopathy. In this review, we analyze the potential clinical and immunological impacts of this interferonopathy in DS. We performed a literature review to explore the epidemiology and risks of celiac disease, type 1 diabetes, thyroid dysfunction, mucocutaneous manifestations, infectious diseases (including COVID-19), and Alzheimer’s disease in individuals with DS relative to the general population with or without iatrogenic exposure to interferons. We analyzed immunophenotyping data and the current experimental evidence concerning IFN-R expression, constitutive JAK-STAT activation, and ISG overexpression in DS. Despite the lack of direct evidence that implicating this mild interferonopathy directly in illnesses in individuals with DS, we highlight the challenges ahead and directions that could be taken to determine more clearly the biological impact of interferonopathy on various immune-related conditions in DS.
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Affiliation(s)
- Howard Chung
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, 10032, USA.,Department of Internal Medicine, Icahn School of Medicine at Mount Sinai/Queens (Queens Hospital Center), Jamaica, NY, 11432, USA
| | - Peter H R Green
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, 10032, USA.,Celiac Disease Center, Department of Medicine, Columbia University Medical Center, New York, NY, 10032, USA
| | - Timothy C Wang
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, 10032, USA
| | - Xiao-Fei Kong
- Division of Digestive and Liver Diseases, Department of Medicine, Columbia University Irving Medical Center, New York, NY, 10032, USA.,Celiac Disease Center, Department of Medicine, Columbia University Medical Center, New York, NY, 10032, USA
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3
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Cabral-Marques O, Schimke LF, de Oliveira EB, El Khawanky N, Ramos RN, Al-Ramadi BK, Segundo GRS, Ochs HD, Condino-Neto A. Flow Cytometry Contributions for the Diagnosis and Immunopathological Characterization of Primary Immunodeficiency Diseases With Immune Dysregulation. Front Immunol 2019; 10:2742. [PMID: 31849949 PMCID: PMC6889851 DOI: 10.3389/fimmu.2019.02742] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 11/08/2019] [Indexed: 12/24/2022] Open
Abstract
Almost 70 years after establishing the concept of primary immunodeficiency disorders (PIDs), more than 320 monogenic inborn errors of immunity have been identified thanks to the remarkable contribution of high-throughput genetic screening in the last decade. Approximately 40 of these PIDs present with autoimmune or auto-inflammatory symptoms as the primary clinical manifestation instead of infections. These PIDs are now recognized as diseases of immune dysregulation. Loss-of function mutations in genes such as FOXP3, CD25, LRBA, IL-10, IL10RA, and IL10RB, as well as heterozygous gain-of-function mutations in JAK1 and STAT3 have been reported as causative of these disorders. Identifying these syndromes has considerably contributed to expanding our knowledge on the mechanisms of immune regulation and tolerance. Although whole exome and whole genome sequencing have been extremely useful in identifying novel causative genes underlying new phenotypes, these approaches are time-consuming and expensive. Patients with monogenic syndromes associated with autoimmunity require faster diagnostic tools to delineate therapeutic strategies and avoid organ damage. Since these PIDs present with severe life-threatening phenotypes, the need for a precise diagnosis in order to initiate appropriate patient management is necessary. More traditional approaches such as flow cytometry are therefore a valid option. Here, we review the application of flow cytometry and discuss the relevance of this powerful technique in diagnosing patients with PIDs presenting with immune dysregulation. In addition, flow cytometry represents a fast, robust, and sensitive approach that efficiently uncovers new immunopathological mechanisms underlying monogenic PIDs.
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Affiliation(s)
- Otavio Cabral-Marques
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Lena F Schimke
- Department of Rheumatology and Clinical Immunology, Faculty of Medicine, Center for Chronic Immunodeficiency (CCI), Medical Center-University of Freiburg, University of Freiburg, Freiburg im Breisgau, Germany
| | | | - Nadia El Khawanky
- Department of Hematology, Oncology and Stem Cell Transplantation, Freiburg University Medical Center, Freiburg im Breisgau, Germany.,Precision Medicine Theme, The South Australian Health and Medical Research Institute (SAHMRI), Adelaide, SA, Australia
| | - Rodrigo Nalio Ramos
- INSERM U932, SiRIC Translational Immunotherapy Team, Institut Curie, Paris Sciences et Lettres Research University, Paris, France
| | - Basel K Al-Ramadi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, UAE University, Al Ain, United Arab Emirates
| | | | - Hans D Ochs
- Department of Pediatrics, University of Washington School of Medicine, and Seattle Children's Research Institute, Seattle, WA, United States
| | - Antonio Condino-Neto
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
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4
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Munford H, Dimeloe S. Intrinsic and Extrinsic Determinants of T Cell Metabolism in Health and Disease. Front Mol Biosci 2019; 6:118. [PMID: 31709265 PMCID: PMC6823819 DOI: 10.3389/fmolb.2019.00118] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 10/14/2019] [Indexed: 01/05/2023] Open
Abstract
T lymphocytes are a critical component of the adaptive immune system, with key roles in the immune response to infection and cancer. Their activity is fundamentally underpinned by dynamic, regulated changes in their metabolism. This ensures adequate availability of energy and biosynthetic precursors for clonal expansion and effector function, and also directly regulates cell signaling, gene transcription, and protein translation. In health, distinct T cells subtypes demonstrate differences in intrinsic metabolic capacity which correlate with their specialized immune functions. In disease, T cells with impaired immune function appear to be likewise metabolically impaired. Furthermore, diseased tissue environments-through inadequate provision of nutrients and oxygen, or accumulation of metabolic intermediates, end-products, and cytokines- can impose metabolic insufficiency upon these cells, and further compound intrinsic impairments. These intrinsic and extrinsic determinants of T cell metabolism and their potential compound effects, together with the mechanisms involved form the subject of this review. We will also discuss how dysfunctional metabolic pathways may be therapeutically targeted to restore normal T cell function in disease.
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Affiliation(s)
- Haydn Munford
- Institute of Immunology and Immunotherapy, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Sarah Dimeloe
- Institute of Immunology and Immunotherapy, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
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5
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The challenges of solid tumor for designer CAR-T therapies: a 25-year perspective. Cancer Gene Ther 2019; 24:89-99. [PMID: 28392558 DOI: 10.1038/cgt.2016.82] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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6
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de Jong SJ, Créquer A, Matos I, Hum D, Gunasekharan V, Lorenzo L, Jabot-Hanin F, Imahorn E, Arias AA, Vahidnezhad H, Youssefian L, Markle JG, Patin E, D'Amico A, Wang CQF, Full F, Ensser A, Leisner TM, Parise LV, Bouaziz M, Maya NP, Cadena XR, Saka B, Saeidian AH, Aghazadeh N, Zeinali S, Itin P, Krueger JG, Laimins L, Abel L, Fuchs E, Uitto J, Franco JL, Burger B, Orth G, Jouanguy E, Casanova JL. The human CIB1-EVER1-EVER2 complex governs keratinocyte-intrinsic immunity to β-papillomaviruses. J Exp Med 2018; 215:2289-2310. [PMID: 30068544 PMCID: PMC6122964 DOI: 10.1084/jem.20170308] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 05/21/2018] [Accepted: 07/02/2018] [Indexed: 02/04/2023] Open
Abstract
Patients with epidermodysplasia verruciformis (EV) and biallelic null mutations of TMC6 (encoding EVER1) or TMC8 (EVER2) are selectively prone to disseminated skin lesions due to keratinocyte-tropic human β-papillomaviruses (β-HPVs), which lack E5 and E8. We describe EV patients homozygous for null mutations of the CIB1 gene encoding calcium- and integrin-binding protein-1 (CIB1). CIB1 is strongly expressed in the skin and cultured keratinocytes of controls but not in those of patients. CIB1 forms a complex with EVER1 and EVER2, and CIB1 proteins are not expressed in EVER1- or EVER2-deficient cells. The known functions of EVER1 and EVER2 in human keratinocytes are not dependent on CIB1, and CIB1 deficiency does not impair keratinocyte adhesion or migration. In keratinocytes, the CIB1 protein interacts with the HPV E5 and E8 proteins encoded by α-HPV16 and γ-HPV4, respectively, suggesting that this protein acts as a restriction factor against HPVs. Collectively, these findings suggest that the disruption of CIB1-EVER1-EVER2-dependent keratinocyte-intrinsic immunity underlies the selective susceptibility to β-HPVs of EV patients.
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Affiliation(s)
- Sarah Jill de Jong
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY
| | - Amandine Créquer
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY
| | - Irina Matos
- Robin Chemers Neustein Laboratory of Mammalian Development and Cell Biology, The Rockefeller University, New York, NY
| | - David Hum
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY
| | | | - Lazaro Lorenzo
- Laboratory of Human Genetics of Infectious Diseases, Institut National de la Santé et de la Recherche Médicale, UMR 1163, Necker Hospital for Sick Children, Paris, France
- University Paris Descartes, Imagine Institute, Paris, France
| | - Fabienne Jabot-Hanin
- Laboratory of Human Genetics of Infectious Diseases, Institut National de la Santé et de la Recherche Médicale, UMR 1163, Necker Hospital for Sick Children, Paris, France
- University Paris Descartes, Imagine Institute, Paris, France
| | - Elias Imahorn
- Department of Biomedicine, University Hospital Basel and University of Basel, Switzerland
| | - Andres A Arias
- Primary Immunodeficiencies Group, School of Medicine, University of Antioquia, Medellin, Colombia
- School of Microbiology, University of Antioquia, Medellin, Colombia
| | - Hassan Vahidnezhad
- Department of Dermatology and Cutaneous Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA
- Molecular Medicine Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
| | - Leila Youssefian
- Department of Dermatology and Cutaneous Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA
- Department of Medical Genetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Janet G Markle
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY
| | - Etienne Patin
- Human Evolutionary Genetics, Pasteur Institute, Paris, France
- National Center for Scientific Research, URA 3012, Paris, France
- Center of Bioinformatics, Biostatistics and Integrative Biology, Pasteur Institute, Paris, France
| | - Aurelia D'Amico
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY
| | - Claire Q F Wang
- Laboratory of Investigative Dermatology, The Rockefeller University, New York, NY
| | - Florian Full
- Clinical and Molecular Virology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Armin Ensser
- Clinical and Molecular Virology, University Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Tina M Leisner
- Department of Biochemistry and Biophysics and Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Leslie V Parise
- Department of Biochemistry and Biophysics and Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC
| | - Matthieu Bouaziz
- Laboratory of Human Genetics of Infectious Diseases, Institut National de la Santé et de la Recherche Médicale, UMR 1163, Necker Hospital for Sick Children, Paris, France
- University Paris Descartes, Imagine Institute, Paris, France
| | | | - Xavier Rueda Cadena
- Dermatology/Oncology - Skin Cancer Unit, National Cancer Institute, Bogota, Colombia
| | - Bayaki Saka
- Department of Dermatology, Sylvanus Olympio Hospital, University of Lomé, Togo
| | - Amir Hossein Saeidian
- Department of Dermatology and Cutaneous Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA
| | - Nessa Aghazadeh
- Department of Dermatology, Razi Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Sirous Zeinali
- Molecular Medicine Department, Biotechnology Research Center, Pasteur Institute of Iran, Tehran, Iran
- Kawsar Human Genetics Research Center, Tehran, Iran
| | - Peter Itin
- Department of Biomedicine, University Hospital Basel and University of Basel, Switzerland
- Dermatology, University Hospital Basel, Basel, Switzerland
| | - James G Krueger
- Laboratory of Investigative Dermatology, The Rockefeller University, New York, NY
| | - Lou Laimins
- Department of Microbiology-Immunology, Northwestern University, Chicago, IL
| | - Laurent Abel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY
- Laboratory of Human Genetics of Infectious Diseases, Institut National de la Santé et de la Recherche Médicale, UMR 1163, Necker Hospital for Sick Children, Paris, France
- University Paris Descartes, Imagine Institute, Paris, France
| | - Elaine Fuchs
- Robin Chemers Neustein Laboratory of Mammalian Development and Cell Biology, The Rockefeller University, New York, NY
| | - Jouni Uitto
- Department of Dermatology and Cutaneous Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA
- Jefferson Institute of Molecular Medicine, Thomas Jefferson University, Philadelphia, PA
| | - Jose Luis Franco
- Primary Immunodeficiencies Group, School of Medicine, University of Antioquia, Medellin, Colombia
| | - Bettina Burger
- Department of Biomedicine, University Hospital Basel and University of Basel, Switzerland
| | - Gérard Orth
- Department of Virology, Pasteur Institute, Paris, France
| | - Emmanuelle Jouanguy
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY
- Laboratory of Human Genetics of Infectious Diseases, Institut National de la Santé et de la Recherche Médicale, UMR 1163, Necker Hospital for Sick Children, Paris, France
- University Paris Descartes, Imagine Institute, Paris, France
| | - Jean-Laurent Casanova
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY
- Laboratory of Human Genetics of Infectious Diseases, Institut National de la Santé et de la Recherche Médicale, UMR 1163, Necker Hospital for Sick Children, Paris, France
- University Paris Descartes, Imagine Institute, Paris, France
- Pediatric Hematology-Immunology Unit, Necker Hospital for Sick Children, Paris, France
- Howard Hughes Medical Institute, New York, NY
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7
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Latour S, Winter S. Inherited Immunodeficiencies With High Predisposition to Epstein-Barr Virus-Driven Lymphoproliferative Diseases. Front Immunol 2018; 9:1103. [PMID: 29942301 PMCID: PMC6004768 DOI: 10.3389/fimmu.2018.01103] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 05/02/2018] [Indexed: 01/16/2023] Open
Abstract
Epstein–Barr Virus (EBV) is a gamma-herpes virus that infects 90% of humans without any symptoms in most cases, but has an oncogenic potential, especially in immunocompromised individuals. In the past 30 years, several primary immunodeficiencies (PIDs) associated with a high risk to develop EBV-associated lymphoproliferative disorders (LPDs), essentially consisting of virus-associated hemophagocytic syndrome, non-malignant and malignant B-cell LPDs including non-Hodgkin and Hodgkin’s types of B lymphomas have been characterized. Among them are SH2D1A (SAP), XIAP, ITK, MAGT1, CD27, CD70, CTPS1, RASGRP1, and CORO1A deficiencies. Penetrance of EBV infection ranges from 50 to 100% in those PIDs. Description of large cohorts and case reports has refined the specific phenotypes associated with these PIDs helping to the diagnosis. Specific pathways required for protective immunity to EBV have emerged from studies of these PIDs. SLAM-associated protein-dependent SLAM receptors and MAGT1-dependent NKG2D pathways are important for T and NK-cell cytotoxicity toward EBV-infected B-cells, while CD27–CD70 interactions are critical to drive the expansion of EBV-specific T-cells. CTPS1 and RASGRP1 deficiencies further strengthen that T-lymphocyte expansion is a key step in the immune response to EBV. These pathways appear to be also important for the anti-tumoral immune surveillance of abnormal B cells. Monogenic PIDs should be thus considered in case of any EBV-associated LPDs.
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Affiliation(s)
- Sylvain Latour
- Laboratory of Lymphocyte Activation and Susceptibility to EBV infection, INSERM UMR 1163, Paris, France.,Imagine Institute, Paris Descartes University, Sorbonne Paris Cité, Paris, France.,Equipe de Recherche Labéllisée, Ligue National contre le Cancer, Paris, France
| | - Sarah Winter
- Laboratory of Lymphocyte Activation and Susceptibility to EBV infection, INSERM UMR 1163, Paris, France.,Imagine Institute, Paris Descartes University, Sorbonne Paris Cité, Paris, France.,Equipe de Recherche Labéllisée, Ligue National contre le Cancer, Paris, France
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8
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Fischer A, Rausell A. What do primary immunodeficiencies tell us about the essentiality/redundancy of immune responses? Semin Immunol 2017; 36:13-16. [PMID: 29229549 DOI: 10.1016/j.smim.2017.12.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 12/06/2017] [Indexed: 01/01/2023]
Abstract
Advances in genomics and medicine have enabled the identification of (currently) 346 primary immunodeficiencies (PIDs) caused by mutations in 336 different genes. Most of these PIDs are monogenic conditions with Mendelian inheritance. Given this large number, it is possible to analyze the distribution of PIDs associated with infections and/or immunopathology according to the nature of the defect - even though this exercise can be challenging and arguable because of the pleiotropic nature of some gene products. The results of this analysis nevertheless strongly suggests that innate immune responses (mediated by pattern recognition receptor (PRR) engagement) are largely redundant, whereas adaptive immune responses are essential. Conversely, gain of function is more frequent in PRR-mediated immune responses than in adaptive immune responses - suggesting that robust innate immune pathways are less stringently regulated than energetically costly and potentially harmful adaptive immune responses.
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Affiliation(s)
- Alain Fischer
- Collège de France, Paris, France; Unité d'Immunologie, Hématologie et Rhumatologie Pédiatrique, Hôpital Necker Enfants Malades, Assistance Publique-Hôpitaux de Paris, Paris, France; INSERM UMR 1163, Institut Imagine, Paris, France.
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9
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Pathogenesis of infections in HIV-infected individuals: insights from primary immunodeficiencies. Curr Opin Immunol 2017; 48:122-133. [PMID: 28992464 PMCID: PMC5682227 DOI: 10.1016/j.coi.2017.09.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 09/14/2017] [Accepted: 09/17/2017] [Indexed: 12/12/2022]
Abstract
Following infection with almost any given microorganism other than an emerging pathogen, only a minority of individuals develop life-threatening clinical disease, implying that these individuals have some form of immunodeficiency. A growing number of inherited and acquired immunodeficiencies have been deciphered over the last 50 years. HIV infection is probably the best-known acquired immunodeficiency. It emerged about 40 years ago and precipitates various severe infections, the occurrence of which is associated with a fall in circulating CD4+ T cells. However, despite the strength of this correlation, infection rates differ between patients with similar levels and durations of CD4+ T lymphopenia in the presence or absence of antiretroviral treatment. Moreover, a few infections seem to be less dependent on total CD4+ T-cell levels. The fine detail of the mechanisms underlying these infections is unknown. We discuss here how studies of the human genetics and immunology of some of these infections in patients with primary immunodeficiencies (PIDs) have provided unique insights into their molecular and cellular basis. Defects of specific CD4+ Th-cell subsets account for some of these infections, as best exemplified by Th1* for mycobacteriosis and Th17 for candidiasis. PIDs are individually rare, but collectively much more common than initially thought, with new disorders being discovered at an ever-increasing pace and a global prevalence worldwide approaching that of HIV infection. Studies of known and new PIDs should make it possible to dissect the pathogenesis of most human infections at an unprecedented level of molecular and cellular precision. The predictive, preventive, and therapeutic implications of studies of immunity to infection in PIDs may extend to HIV-infected patients and patients with infectious diseases in other settings.
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10
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Erman B, Bilic I, Hirschmugl T, Salzer E, Boztug H, Sanal Ö, Çağdaş Ayvaz D, Tezcan I, Boztug K. Investigation of Genetic Defects in Severe Combined Immunodeficiency Patients from Turkey by Targeted Sequencing. Scand J Immunol 2017; 85:227-234. [PMID: 28109013 DOI: 10.1111/sji.12523] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Accepted: 01/13/2017] [Indexed: 12/30/2022]
Abstract
Primary immunodeficiencies (PIDs) represent a large group of disorders with an increased susceptibility to infections. Severe combined immunodeficiency (SCID) is the most severe form of primary immunodeficiencies (PIDs) with marked T-cell lymphopenia. Investigation of the genetic aetiology using classical Sanger sequencing is associated with considerable diagnostic delay. We here established a custom-designed, next-generation sequencing (NGS)-based panel to efficiently identify disease-causing genetic defects in PID patients and applied this method in SCID patients of Turkish origin with previously undefined genetic aetiology. We used HaloPlex enrichment technology, a targeted, NGS-based method which was designed to diagnose patients with SCID and other PIDs. Our HaloPlex panel included a total of 356 PID-related genes, and we searched disease-causing mutations in 19 Turkish SCID patients without a genetic diagnosis. The coverage of targeted regions ranged from 97.47% to 99.62% with an average of 98.31% for all patients. All known SCID genes were covered with a percentage of at least 97.3%. We made a genetic diagnosis in six of 19 (33%) patients, including four novel disease-causing mutations identified in RAG1, JAK3 and IL2RG, respectively. We showed that this NGS-based method can provide rapid genetic diagnosis for patients suffering from SCID, potentially facilitating clinical treatment decisions.
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Affiliation(s)
- B Erman
- Department of Immunology, Ihsan Dogramaci Children's Hospital, Hacettepe University, Ankara, Turkey.,CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - I Bilic
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - T Hirschmugl
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - E Salzer
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - H Boztug
- Department of Paediatrics, St. Anna Kinderspital, Medical University of Vienna, Vienna, Austria
| | - Ö Sanal
- Department of Immunology, Ihsan Dogramaci Children's Hospital, Hacettepe University, Ankara, Turkey
| | - D Çağdaş Ayvaz
- Department of Immunology, Ihsan Dogramaci Children's Hospital, Hacettepe University, Ankara, Turkey
| | - I Tezcan
- Department of Immunology, Ihsan Dogramaci Children's Hospital, Hacettepe University, Ankara, Turkey
| | - K Boztug
- CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria.,Department of Paediatrics, St. Anna Kinderspital, Medical University of Vienna, Vienna, Austria.,Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Vienna, Austria.,Ludwig Boltzmann Institute for Rare and Undiagnosed Diseases, Vienna, Austria
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11
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Schober T, Magg T, Laschinger M, Rohlfs M, Linhares ND, Puchalka J, Weisser T, Fehlner K, Mautner J, Walz C, Hussein K, Jaeger G, Kammer B, Schmid I, Bahia M, Pena SD, Behrends U, Belohradsky BH, Klein C, Hauck F. A human immunodeficiency syndrome caused by mutations in CARMIL2. Nat Commun 2017; 8:14209. [PMID: 28112205 PMCID: PMC5473639 DOI: 10.1038/ncomms14209] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Accepted: 11/17/2016] [Indexed: 12/22/2022] Open
Abstract
Human T-cell function is dependent on T-cell antigen receptor (TCR) and co-signalling as evidenced by immunodeficiencies affecting TCR-dependent signalling pathways. Here, we show four human patients with EBV+ disseminated smooth muscle tumours that carry two homozygous loss-of-function mutations in the CARMIL2 (RLTPR) gene encoding the capping protein regulator and myosin 1 linker 2. These patients lack regulatory T cells without evidence of organ-specific autoimmunity, and have defective CD28 co-signalling associated with impaired T-cell activation, differentiation and function, as well as perturbed cytoskeletal organization associated with T-cell polarity and migration disorders. Human CARMIL2-deficiency is therefore an autosomal recessive primary immunodeficiency disorder associated with defective CD28-mediated TCR co-signalling and impaired cytoskeletal dynamics. CARMIL2 (Rltpr) is involved in T-cell function. Here, the authors identify human CARMIL2-deficiency as an autosomal recessive primary immunodeficiency disorder characterized by EBV+ smooth muscle tumours, CD28 co-signalling deficiency and impaired cytoskeletal dynamics.
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Affiliation(s)
- T Schober
- Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universität (LMU), Lindwurmstrasse 4, D-80337 Munich, Germany
| | - T Magg
- Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universität (LMU), Lindwurmstrasse 4, D-80337 Munich, Germany
| | - M Laschinger
- Department of Surgery, Technische Universität München (TUM), Ismaninger Strasse 22, D-81675 Munich, Germany
| | - M Rohlfs
- Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universität (LMU), Lindwurmstrasse 4, D-80337 Munich, Germany
| | - N D Linhares
- Laboratory of Clinical Genomics, Federal University of Minas Gerais, 190 Professor Alfredo Balena Avenida, Belo Horizonte 30130-100, Brazil
| | - J Puchalka
- Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universität (LMU), Lindwurmstrasse 4, D-80337 Munich, Germany
| | - T Weisser
- Department of Surgery, Technische Universität München (TUM), Ismaninger Strasse 22, D-81675 Munich, Germany
| | - K Fehlner
- Department of Surgery, Technische Universität München (TUM), Ismaninger Strasse 22, D-81675 Munich, Germany
| | - J Mautner
- Research Unit Gene Vectors, Helmholtz Zentrum München (HMGU)-German Research Center for Environmental Health, Marchioninistrasse 25, D-81377 Munich, Germany.,Children's Hospital, Technische Universität München (TUM), Munich D-80804, Germany.,German Centre for Infection Research (DZIF), Trogerstrasse 30, D-81675 Munich, Germany
| | - C Walz
- Institute of Pathology, Ludwig-Maximilians-Universität (LMU), Thalkirchner Strasse 36, D-80337 Munich, Germany
| | - K Hussein
- Institute of Pathology, Hannover Medical School (MHH), Carl-Neuberg-Strasse 1, D-30625 Hanover, Germany
| | - G Jaeger
- Department of Diagnostic Virology, Max von Pettenkofer-Institute, Ludwig-Maximilians-Universität (LMU), Pettenkoferstrasse 9a, D-80336 Munich, Germany
| | - B Kammer
- Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universität (LMU), Lindwurmstrasse 4, D-80337 Munich, Germany
| | - I Schmid
- Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universität (LMU), Lindwurmstrasse 4, D-80337 Munich, Germany
| | - M Bahia
- Department of Pediatric Gastroenterology, Federal University of Minas Gerais, 110 Prof. Alfredo Balena Avenida, Belo Horizonte 30130-100, Brazil
| | - S D Pena
- Laboratory of Clinical Genomics, Federal University of Minas Gerais, 190 Professor Alfredo Balena Avenida, Belo Horizonte 30130-100, Brazil
| | - U Behrends
- Research Unit Gene Vectors, Helmholtz Zentrum München (HMGU)-German Research Center for Environmental Health, Marchioninistrasse 25, D-81377 Munich, Germany.,Children's Hospital, Technische Universität München (TUM), Munich D-80804, Germany.,German Centre for Infection Research (DZIF), Trogerstrasse 30, D-81675 Munich, Germany
| | - B H Belohradsky
- Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universität (LMU), Lindwurmstrasse 4, D-80337 Munich, Germany
| | - C Klein
- Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universität (LMU), Lindwurmstrasse 4, D-80337 Munich, Germany.,German Centre for Infection Research (DZIF), Trogerstrasse 30, D-81675 Munich, Germany
| | - F Hauck
- Dr. von Hauner Children's Hospital, Ludwig-Maximilians-Universität (LMU), Lindwurmstrasse 4, D-80337 Munich, Germany.,German Centre for Infection Research (DZIF), Trogerstrasse 30, D-81675 Munich, Germany
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12
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Fischer A, Rausell A. Primary immunodeficiencies suggest redundancy within the human immune system. Sci Immunol 2016; 1:1/6/eaah5861. [PMID: 28783693 DOI: 10.1126/sciimmunol.aah5861] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 10/03/2016] [Accepted: 12/01/2016] [Indexed: 12/31/2022]
Abstract
Pathogen-driven evolution has shaped the complexity of the human immune system. Our genome contains at least 1854 gene products involved in immune responses. However, the redundancy and robustness of the immune system need further characterization. One way to examine this redundancy is through the study of monogenic primary immunodeficiencies (PIDs) associated with infections. Causal mutations affecting innate immunity genes are, in relative terms, close to seven times less frequent than those affecting adaptive immunity genes in PIDs. Loss-of-function mutations of innate immunity genes encoding pattern-recognition receptors (PRRs) and associated pathways rarely cause susceptibility to infections, which suggests that PRR pathways are partially redundant in the immune responses to infection. This dispensability has also been observed for constitutive products of the immune system, such as secretory immunoglobulin A, and for innate immune cells, such as natural killer and innate lymphoid cell subsets, which are not essential for viability. This Review discusses these findings in the context of their implications for the identification of previously unknown classes of PIDs and assessment of the susceptibility to infection associated with various targeted immunotherapies.
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Affiliation(s)
- Alain Fischer
- Paris Descartes-Sorbonne Paris Cité University, Imagine Institute, Paris, France. .,Immunology and Pediatric Hematology Department, Assistance Publique-Hôpitaux de Paris, Paris, France.,INSERM UMR 1163, Paris, France.,Collège de France, Paris, France
| | - Antonio Rausell
- Paris Descartes-Sorbonne Paris Cité University, Imagine Institute, Paris, France
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13
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Déficits immunitaires héréditaires de l’immunité innée et infections. Arch Pediatr 2016; 23:760-8. [DOI: 10.1016/j.arcped.2016.04.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 02/12/2016] [Accepted: 04/21/2016] [Indexed: 11/16/2022]
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14
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Peaudecerf L, Krenn G, Gonçalves P, Vasseur F, Rocha B. Thymocytes self-renewal: a major hope or a major threat? Immunol Rev 2016; 271:173-84. [DOI: 10.1111/imr.12408] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
| | - Gerald Krenn
- INSERM; Unit 1020, Faculty of Medicine Descartes Paris V; Paris France
| | | | - Florence Vasseur
- INSERM; Unit 1020, Faculty of Medicine Descartes Paris V; Paris France
- Institut Pasteur; Paris France
| | - Benedita Rocha
- INSERM; Unit 1020, Faculty of Medicine Descartes Paris V; Paris France
- Institut Pasteur; Paris France
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15
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Popper HH. [Pulmonary Langerhans cell histiocytosis]. DER PATHOLOGE 2015; 36:451-7. [PMID: 26289803 DOI: 10.1007/s00292-015-0052-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Pulmonary Langerhans cell histiocytosis is regarded as a reactive proliferation of the dendritic Langerhans cell population stimulated by chronic tobacco-derived plant proteins due to incomplete combustion but can also occur in childhood as a tumor-like systemic disease. Currently, both these forms cannot be morphologically distinguished. In the lungs a nodular proliferation of Langerhans cells occurs in the bronchial mucosa and also peripherally in the alveolar septa with an accompanying infiltration by eosinophilic granulocytes and destruction of the bronchial wall. Langerhans cells can be selectively detected with antibodies against CD1a and langerin. In the reactive isolated pulmonary form, abstinence from tobacco smoking in most patients leads to regression of infiltration and improvement of symptoms. In high-resolution computed tomography (HRCT) the small star-like scars can still be detected even after complete cessation of tobacco smoking.
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Affiliation(s)
- H H Popper
- Forschungseinheit Molekulare Lungen- & Pleurapathologie, Institut für Pathologie, Medizinische Universität Graz, Auenbruggerplatz 25, 8036, Graz, Österreich,
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