1
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Failing C, Blase JR, Walkovich K. Understanding the Spectrum of Immune Dysregulation Manifestations in Autoimmune Lymphoproliferative Syndrome and Autoimmune Lymphoproliferative Syndrome-like Disorders. Rheum Dis Clin North Am 2023; 49:841-860. [PMID: 37821199 DOI: 10.1016/j.rdc.2023.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
As a disorder of immune dysregulation, autoimmune lymphoproliferative syndrome (ALPS) stems from pathogenic variants in the first apoptosis signal-mediated apoptosis (Fas) and Fas-ligand pathway that result in elevations of CD3+ TCRαβ+ CD4- CD8- T cells along with chronic lymphoproliferation, a heightened risk for malignancy, and importantly for the rheumatologist, increased risk of autoimmunity. While immune cytopenias are the most encountered autoimmune phenomena, there is increasing appreciation for ocular, musculoskeletal, pulmonary and renal inflammatory manifestations similar to more common rheumatology diseases. Additionally, ALPS-like conditions that share similar clinical features and opportunities for targeted therapy are increasingly recognized via genetic testing, highlighting the need for rheumatologists to be facile in the recognition and diagnosis of this spectrum of disorders. This review will focus on clinical and laboratory features of both ALPS and ALPS-like disorders with the intent to provide a framework for rheumatologists to understand the pathophysiologic drivers and discriminate between diagnoses.
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Affiliation(s)
- Christopher Failing
- Sanford Health, Fargo, ND, USA; University of North Dakota School of Medicine and Health Sciences, Grand Folks, ND, USA.
| | - Jennifer R Blase
- University of Michigan, 1500 East Medical Center Drive, D4202 Medical Professional Building, Ann Arbor, MI 48109, USA
| | - Kelly Walkovich
- University of Michigan, 1500 East Medical Center Drive, D4202 Medical Professional Building, Ann Arbor, MI 48109, USA
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2
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Different methods of detaching adherent cells and their effects on the cell surface expression of Fas receptor and Fas ligand. Sci Rep 2022; 12:5713. [PMID: 35383242 PMCID: PMC8983651 DOI: 10.1038/s41598-022-09605-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 03/01/2022] [Indexed: 11/08/2022] Open
Abstract
In cell culture environment, some cells adhere firmly to the culture plates and may be vulnerable to cell detachment during passage. Therefore, it is important to harvest cells with a proper detaching method to maintain the viability of cells after detachment. Trypsinization is frequently used for cellular dissociation and detachment. However, most surface proteins and the extracellular matrix are degraded by enzymatic digestion. A mild cell detachment buffer, accutase, is recommended for the replacement of trypsin to dissociate adherent cells and thereby avoid cellular damage. In this study, we demonstrated that use of accutase for cellular detachment may compromise some surface proteins. Compared with ethylenediaminetetraacetic acid (EDTA)-based nonenzymatic cell dissociation buffers, accutase was associated with significant decreases in the surface Fas ligands and Fas receptors. Moreover, we found that accutase may be able to cleave surface Fas ligands into pieces. Our results also illustrated that surface proteins required 20 h to recover after accutase treatment. We demonstrated that using accutase to dissociate adherent cells compromised the expression of Fas ligands and Fas receptors on the cell surface. These findings indicate that it is important to choose suitable cell detachment buffers and allow cells to recover after detachment before experiments.
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3
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López-Nevado M, Docampo-Cordeiro J, Ramos JT, Rodríguez-Pena R, Gil-López C, Sánchez-Ramón S, Gil-Herrera J, Díaz-Madroñero MJ, Delgado-Martín MA, Morales-Pérez P, Paz-Artal E, Magerus A, Rieux-Laucat F, Allende LM. Next Generation Sequencing for Detecting Somatic FAS Mutations in Patients With Autoimmune Lymphoproliferative Syndrome. Front Immunol 2021; 12:656356. [PMID: 33995372 PMCID: PMC8117005 DOI: 10.3389/fimmu.2021.656356] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/07/2021] [Indexed: 01/21/2023] Open
Abstract
Autoimmune lymphoproliferative syndrome (ALPS) is a primary immune regulatory disorder clinically defined by chronic and benign lymphoproliferation, autoimmunity and an increased risk of lymphoma due to a genetic defect in the FAS-FASL apoptotic pathway. Genetic defects associated with ALPS are germinal and somatic mutations in FAS gene, in addition to germinal mutations in FASLG, FADD, CASP8 and CASP10 genes. The accumulation of CD3+TCRαβ+CD4-CD8- double negative T-cells (DNT) is a hallmark of the disease and 20-25% of ALPS patients show heterozygous somatic mutations restricted to DNT in the FAS gene (ALPS-sFAS patients). Nowadays, somatic mutations in the FAS gene are detected through Sanger sequencing in isolated DNT. In this study, we report an ALPS-sFAS patient fulfilling clinical and laboratory ALPS criteria, who was diagnosed through NGS with a targeted gene panel using DNA from whole blood. Data analysis was carried out with Torrent Suite Software and variant detection was performed by both germinal and somatic variant caller plugin. The somatic variant caller correctly detected other six ALPS-sFAS patients previously diagnosed in the authors’ laboratories. In summary, this approach allows the detection of both germline and somatic mutations related to ALPS by NGS, avoiding the isolation of DNT as the first step. The reads of the somatic variants could be detected even in patients with DNT in the cut off limit. Thus, custom-designed NGS panel testing may be a faster and more reliable method for the diagnosis of new ALPS patients, including those with somatic FAS mutations (ALPS-sFAS).
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Affiliation(s)
- Marta López-Nevado
- Immunology Department, University Hospital 12 de Octubre, Madrid, Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
| | | | - José T Ramos
- Pediatrics Department, University Hospital Clínico San Carlos, Madrid, Spain
| | | | - Celia Gil-López
- Pediatrics Department, University Hospital Clínico San Carlos, Madrid, Spain
| | | | - Juana Gil-Herrera
- Immunology Department, University Hospital Gregorio Marañón, Madrid, Spain
| | | | | | - Pablo Morales-Pérez
- Immunology Department, University Hospital 12 de Octubre, Madrid, Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
| | - Estela Paz-Artal
- Immunology Department, University Hospital 12 de Octubre, Madrid, Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.,School of Medicine, University Hospital 12 de Octubre, Complutense University of Madrid, Madrid, Spain
| | - Aude Magerus
- Université de Paris, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Frederic Rieux-Laucat
- Université de Paris, Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Luis M Allende
- Immunology Department, University Hospital 12 de Octubre, Madrid, Spain.,Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.,School of Medicine, University Hospital 12 de Octubre, Complutense University of Madrid, Madrid, Spain
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4
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Casamayor-Polo L, López-Nevado M, Paz-Artal E, Anel A, Rieux-Laucat F, Allende LM. Immunologic evaluation and genetic defects of apoptosis in patients with autoimmune lymphoproliferative syndrome (ALPS). Crit Rev Clin Lab Sci 2020; 58:253-274. [PMID: 33356695 DOI: 10.1080/10408363.2020.1855623] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Apoptosis plays an important role in controlling the adaptive immune response and general homeostasis of the immune cells, and impaired apoptosis in the immune system results in autoimmunity and immune dysregulation. In the last 25 years, inherited human diseases of the Fas-FasL pathway have been recognized. Autoimmune lymphoproliferative syndrome (ALPS) is an inborn error of immunity, characterized clinically by nonmalignant and noninfectious lymphoproliferation, autoimmunity, and increased risk of lymphoma due to a defect in lymphocyte apoptosis. The laboratory hallmarks of ALPS are an elevated percentage of T-cell receptor αβ double negative T cells (DNTs), elevated levels of vitamin B12, soluble FasL, IL-10, IL-18 and IgG, and defective in vitro Fas-mediated apoptosis. In order of frequency, the genetic defects associated with ALPS are germinal and somatic ALPS-FAS, ALPS-FASLG, ALPS-CASP10, ALPS-FADD, and ALPS-CASP8. Partial disease penetrance and severity suggest the combination of germline and somatic FAS mutations as well as other risk factor genes. In this report, we summarize human defects of apoptosis leading to ALPS and defects that are known as ALPS-like syndromes that can be clinically similar to, but are genetically distinct from, ALPS. An efficient genetic and immunological diagnostic approach to patients suspected of having ALPS or ALPS-like syndromes is essential because this enables the establishment of specific therapeutic strategies for improving the prognosis and quality of life of patients.
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Affiliation(s)
- Laura Casamayor-Polo
- Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
| | - Marta López-Nevado
- Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain
| | - Estela Paz-Artal
- Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.,Immunology Department, University Hospital 12 de Octubre, Madrid, Spain.,School of Medicine, University Hospital 12 de Octubre, Complutense University of Madrid, Madrid, Spain
| | - Alberto Anel
- Apoptosis, Immunity and Cancer Group, University of Zaragoza/Aragón Health Research Institute (IIS-Aragón), Zaragoza, Spain
| | - Frederic Rieux-Laucat
- Laboratory of Immunogenetics of Pediatric Autoimmune Diseases, Université de Paris, Imagine Institute, INSERM UMR 1163, Paris, France
| | - Luis M Allende
- Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain.,Immunology Department, University Hospital 12 de Octubre, Madrid, Spain.,School of Medicine, University Hospital 12 de Octubre, Complutense University of Madrid, Madrid, Spain
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5
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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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6
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Lisco A, Wong CS, Price S, Ye P, Niemela J, Anderson M, Richards E, Manion M, Mystakelis H, Similuk M, Lo B, Stoddard J, Rosenzweig S, Vanpouille C, Rupert A, Maric I, Perez-Diez A, Parenti D, Burbelo PD, Rao VK, Sereti I. Paradoxical CD4 Lymphopenia in Autoimmune Lymphoproliferative Syndrome (ALPS). Front Immunol 2019; 10:1193. [PMID: 31191551 PMCID: PMC6549489 DOI: 10.3389/fimmu.2019.01193] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Accepted: 05/10/2019] [Indexed: 12/29/2022] Open
Abstract
Autoimmune lymphoproliferative syndrome (ALPS) is caused by germline or somatic loss of function FAS mutations resulting in impaired apoptosis and consequent expansion of T-lymphocytes causing organomegaly and autoimmune anemia, neutropenia and thrombocytopenia. Herein, we report on a case of disseminated varicella zoster infection after post-partum vaccination in a patient found to have CD4 lymphopenia and eventually diagnosed with ALPS caused by a novel germline missense mutation in FAS death-domain. A subsequent retrospective analysis of 169 patients of the NIH ALPS-FAS cohort, revealed that CD4-T-cells lymphopenia (< 300 cells/μl) may occur in 5% of ALPS-FAS patients irrespectively of the underlying genetic defect, organomegaly or immunosuppressive treatment. Although immunophenotyping did not show depletion of specific CD4-T-cells subpopulations, CD4-lymphopenic ALPS-FAS subjects had an expansion of a subset of circulating T-follicular-helper (cTfh) cells, associated with autoantibody production (CCR7lowPD-1high). Furthermore, autoantibodies binding on CD4-T-cells were detected in 50% of the CD4-lymphopenic ALPS-FAS patients and caused cytotoxicity in a natural killer (NK)-mediated antibody-dependent-cellular cytotoxicity assay. Such autoantibodies can therefore be associated with CD4-T-cell death, impaired activation induced proliferation or impaired trafficking. The expansion of autoreactive T-cells in ALPS-FAS is known to be associated with autoimmune clinical manifestations, however our study reveals that ALPS-FAS can also be associated with a paradoxical depletion of CD4-T-cells due to the presence of autoantibodies on the surface of CD4-T-cells which can in turn result in increased susceptibility to opportunistic infections. These novel findings have implications for the diagnosis, clinical monitoring, and management of patients with ALPS-FAS.
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Affiliation(s)
- Andrea Lisco
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
| | - Chun-Shu Wong
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
| | - Susan Price
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Peiying Ye
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
| | - Julie Niemela
- Immunology Service, Department of Laboratory Medicine, National Institutes of Health, Bethesda, MD, United States
| | - Megan Anderson
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
| | - Elizabeth Richards
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
| | - Maura Manion
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
| | - Harry Mystakelis
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
| | - Morgan Similuk
- Clinical Genomics Program, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Bernice Lo
- Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Jennifer Stoddard
- Immunology Service, Department of Laboratory Medicine, National Institutes of Health, Bethesda, MD, United States
| | - Sergio Rosenzweig
- Immunology Service, Department of Laboratory Medicine, National Institutes of Health, Bethesda, MD, United States
| | - Christophe Vanpouille
- Program in Physical Biology, Eunice Kennedy-Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
| | - Adam Rupert
- AIDS Monitoring Laboratory, Leidos Biomedical Research, Frederick, MD, United States
| | - Irina Maric
- Hematology Service, Department of Laboratory Medicine, National Institutes of Health, Bethesda, MD, United States
| | - Ainhoa Perez-Diez
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
| | - David Parenti
- George Washington University Medical Center, Washington, DC, United States
| | - Peter D Burbelo
- Dental Clinical Research Core, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, United States
| | - V Koneti Rao
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Irini Sereti
- Laboratory of Immunoregulation, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, United States
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7
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Abstract
Proper regulation of the immune system is required for protection against pathogens and preventing autoimmune disorders. Inborn errors of the immune system due to inherited or de novo germline mutations can lead to the loss of protective immunity, aberrant immune homeostasis, and the development of autoimmune disease, or combinations of these. Forward genetic screens involving clinical material from patients with primary immunodeficiencies (PIDs) can vary in severity from life-threatening disease affecting multiple cell types and organs to relatively mild disease with susceptibility to a limited range of pathogens or mild autoimmune conditions. As central mediators of innate and adaptive immune responses, T cells are critical orchestrators and effectors of the immune response. As such, several PIDs result from loss of or altered T cell function. PID-associated functional defects range from complete absence of T cell development to uncontrolled effector cell activation. Furthermore, the gene products of known PID causal genes are involved in diverse molecular pathways ranging from T cell receptor signaling to regulators of protein glycosylation. Identification of the molecular and biochemical cause of PIDs can not only guide the course of treatment for patients, but also inform our understanding of the basic biology behind T cell function. In this chapter, we review PIDs with known genetic causes that intrinsically affect T cell function with particular focus on perturbations of biochemical pathways.
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Affiliation(s)
- William A Comrie
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States; Clinical Genomics Program, National Institute of Allergy and Infectious Diseases (NIAID), NIH, Bethesda, MD, United States
| | - Michael J Lenardo
- Molecular Development of the Immune System Section, Laboratory of Immune System Biology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States; Clinical Genomics Program, National Institute of Allergy and Infectious Diseases (NIAID), NIH, Bethesda, MD, United States.
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8
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Zheng L, Li J, Lenardo M. Restimulation-induced cell death: new medical and research perspectives. Immunol Rev 2018; 277:44-60. [PMID: 28462523 DOI: 10.1111/imr.12535] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
In the periphery, homeostasis of the immune system depends on the equilibrium of expanding and contracting T lymphocytes during immune response. An important mechanism of lymphocyte contraction is clonal depletion of activated T cells by cytokine withdrawal induced death (CWID) and TCR restimulation induced cell death (RICD). Deficiencies in signaling components for CWID and RICD leads to autoimmunune lymphoproliferative disorders in mouse and human. The most important feature of CWID and RICD is clonal specificity, which lends great appeal as a strategy for targeted tolerance induction and treatment of autoimmune diseases, allergic disorders, and graft rejection by depleting undesired disease-causing T cells while keeping the overall host immunity intact.
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Affiliation(s)
- Lixin Zheng
- Laboratory of Immunology and Clinical Genomics Program, Molecular Development of the Immune System Section, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Jian Li
- Laboratory of Immunology and Clinical Genomics Program, Molecular Development of the Immune System Section, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.,Institute of Immunology, Third Military Medical University, Chongqing, China
| | - Michael Lenardo
- Laboratory of Immunology and Clinical Genomics Program, Molecular Development of the Immune System Section, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
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9
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Cruz AC, Ramaswamy M, Ouyang C, Klebanoff CA, Sengupta P, Yamamoto TN, Meylan F, Thomas SK, Richoz N, Eil R, Price S, Casellas R, Rao VK, Lippincott-Schwartz J, Restifo NP, Siegel RM. Fas/CD95 prevents autoimmunity independently of lipid raft localization and efficient apoptosis induction. Nat Commun 2016; 7:13895. [PMID: 28008916 PMCID: PMC5196435 DOI: 10.1038/ncomms13895] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Accepted: 11/06/2016] [Indexed: 01/09/2023] Open
Abstract
Mutations affecting the apoptosis-inducing function of the Fas/CD95 TNF-family receptor result in autoimmune and lymphoproliferative disease. However, Fas can also costimulate T-cell activation and promote tumour cell growth and metastasis. Palmitoylation at a membrane proximal cysteine residue enables Fas to localize to lipid raft microdomains and induce apoptosis in cell lines. Here, we show that a palmitoylation-defective Fas C194V mutant is defective in inducing apoptosis in primary mouse T cells, B cells and dendritic cells, while retaining the ability to enhance naive T-cell differentiation. Despite inability to efficiently induce cell death, the Fas C194V receptor prevents the lymphoaccumulation and autoimmunity that develops in Fas-deficient mice. These findings indicate that induction of apoptosis through Fas is dependent on receptor palmitoylation in primary immune cells, and Fas may prevent autoimmunity by mechanisms other than inducing apoptosis. Fas drives apoptosis and mutations in this receptor can cause autoimmunity through failure of cell death. Here, the authors use lpr/lpr mice with palmitoylation-defective mutant Fas to provide evidence that Fas might limit spontaneous autoimmunity through a non-apoptotic mechanism.
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Affiliation(s)
- Anthony C Cruz
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), Intramural Research Program, National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Madhu Ramaswamy
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), Intramural Research Program, National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Claudia Ouyang
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), Intramural Research Program, National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Christopher A Klebanoff
- Center for Cell Engineering and Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA.,Center For Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland 20892, USA
| | - Prabuddha Sengupta
- Cell Biology and Metabolism Program, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), NIH, Bethesda, Maryland 20892, USA
| | - Tori N Yamamoto
- Center For Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland 20892, USA.,Immunology Graduate Group, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Françoise Meylan
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), Intramural Research Program, National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Stacy K Thomas
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), Intramural Research Program, National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Nathan Richoz
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), Intramural Research Program, National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
| | - Robert Eil
- Center For Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland 20892, USA
| | - Susan Price
- Clinical Genomics Unit, National Institute of Allergy and Infectious Diseases (NIAID), NIH, Bethesda, Maryland 20892, USA
| | - Rafael Casellas
- Genomics and Immunity Branch, NIAMS, Bethesda, Maryland 20892, USA
| | - V Koneti Rao
- Clinical Genomics Unit, National Institute of Allergy and Infectious Diseases (NIAID), NIH, Bethesda, Maryland 20892, USA
| | - Jennifer Lippincott-Schwartz
- Cell Biology and Metabolism Program, Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), NIH, Bethesda, Maryland 20892, USA
| | - Nicholas P Restifo
- Center For Cancer Research, National Cancer Institute (NCI), NIH, Bethesda, Maryland 20892, USA.,Center for Cell-Based Therapy, NCI, NIH, Bethesda, Maryland 20892, USA
| | - Richard M Siegel
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), Intramural Research Program, National Institutes of Health (NIH), Bethesda, Maryland 20892, USA
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10
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Genomics is rapidly advancing precision medicine for immunological disorders. Nat Immunol 2016; 16:1001-4. [PMID: 26382860 DOI: 10.1038/ni.3275] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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11
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Autoimmune lymphoproliferative syndrome due to somatic FAS mutation (ALPS-sFAS) combined with a germline caspase-10 (CASP10) variation. Immunobiology 2016; 221:40-7. [DOI: 10.1016/j.imbio.2015.08.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Revised: 07/31/2015] [Accepted: 08/11/2015] [Indexed: 12/25/2022]
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12
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Price S, Shaw PA, Seitz A, Joshi G, Davis J, Niemela JE, Perkins K, Hornung RL, Folio L, Rosenberg PS, Puck JM, Hsu AP, Lo B, Pittaluga S, Jaffe ES, Fleisher TA, Rao VK, Lenardo MJ. Natural history of autoimmune lymphoproliferative syndrome associated with FAS gene mutations. Blood 2014; 123:1989-99. [PMID: 24398331 PMCID: PMC3968385 DOI: 10.1182/blood-2013-10-535393] [Citation(s) in RCA: 150] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 12/31/2013] [Indexed: 12/30/2022] Open
Abstract
Autoimmune lymphoproliferative syndrome (ALPS) presents in childhood with nonmalignant lymphadenopathy and splenomegaly associated with a characteristic expansion of mature CD4 and CD8 negative or double negative T-cell receptor αβ(+) T lymphocytes. Patients often present with chronic multilineage cytopenias due to autoimmune peripheral destruction and/or splenic sequestration of blood cells and have an increased risk of B-cell lymphoma. Deleterious heterozygous mutations in the FAS gene are the most common cause of this condition, which is termed ALPS-FAS. We report the natural history and pathophysiology of 150 ALPS-FAS patients and 63 healthy mutation-positive relatives evaluated in our institution over the last 2 decades. Our principal findings are that FAS mutations have a clinical penetrance of <60%, elevated serum vitamin B12 is a reliable and accurate biomarker of ALPS-FAS, and the major causes of morbidity and mortality in these patients are the overwhelming postsplenectomy sepsis and development of lymphoma. With longer follow-up, we observed a significantly greater relative risk of lymphoma than previously reported. Avoiding splenectomy while controlling hypersplenism by using corticosteroid-sparing treatments improves the outcome in ALPS-FAS patients. This trial was registered at www.clinicaltrials.gov as #NCT00001350.
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Affiliation(s)
- Susan Price
- Molecular Development Section, Laboratory of Immunology, Division of Intramural Research, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD
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