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Ellsworth CR, Wang C, Katz AR, Chen Z, Islamuddin M, Yang H, Scheuermann SE, Goff KA, Maness NJ, Blair RV, Kolls JK, Qin X. Natural Killer Cells Do Not Attenuate a Mouse-Adapted SARS-CoV-2-Induced Disease in Rag2-/- Mice. Viruses 2024; 16:611. [PMID: 38675952 PMCID: PMC11054502 DOI: 10.3390/v16040611] [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: 01/25/2024] [Revised: 04/09/2024] [Accepted: 04/10/2024] [Indexed: 04/28/2024] Open
Abstract
This study investigates the roles of T, B, and Natural Killer (NK) cells in the pathogenesis of severe COVID-19, utilizing mouse-adapted SARS-CoV-2-MA30 (MA30). To evaluate this MA30 mouse model, we characterized MA30-infected C57BL/6 mice (B6) and compared them with SARS-CoV-2-WA1 (an original SARS-CoV-2 strain) infected K18-human ACE2 (K18-hACE2) mice. We found that the infected B6 mice developed severe peribronchial inflammation and rapid severe pulmonary edema, but less lung interstitial inflammation than the infected K18-hACE2 mice. These pathological findings recapitulate some pathological changes seen in severe COVID-19 patients. Using this MA30-infected mouse model, we further demonstrate that T and/or B cells are essential in mounting an effective immune response against SARS-CoV-2. This was evident as Rag2-/- showed heightened vulnerability to infection and inhibited viral clearance. Conversely, the depletion of NK cells did not significantly alter the disease course in Rag2-/- mice, underscoring the minimal role of NK cells in the acute phase of MA30-induced disease. Together, our results indicate that T and/or B cells, but not NK cells, mitigate MA30-induced disease in mice and the infected mouse model can be used for dissecting the pathogenesis and immunology of severe COVID-19.
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Affiliation(s)
- Calder R Ellsworth
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA 70433, USA; (C.R.E.); (C.W.); (Z.C.); (M.I.); (S.E.S.); (K.A.G.); (N.J.M.); (R.V.B.)
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Chenxiao Wang
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA 70433, USA; (C.R.E.); (C.W.); (Z.C.); (M.I.); (S.E.S.); (K.A.G.); (N.J.M.); (R.V.B.)
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Alexis R Katz
- Departments of Medicine and Pediatrics, Center for Translational Research in Infection and Inflammation, Tulane University School of Medicine, New Orleans, LA 70112, USA; (A.R.K.); (H.Y.); (J.K.K.)
| | - Zheng Chen
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA 70433, USA; (C.R.E.); (C.W.); (Z.C.); (M.I.); (S.E.S.); (K.A.G.); (N.J.M.); (R.V.B.)
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Mohammad Islamuddin
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA 70433, USA; (C.R.E.); (C.W.); (Z.C.); (M.I.); (S.E.S.); (K.A.G.); (N.J.M.); (R.V.B.)
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Haoran Yang
- Departments of Medicine and Pediatrics, Center for Translational Research in Infection and Inflammation, Tulane University School of Medicine, New Orleans, LA 70112, USA; (A.R.K.); (H.Y.); (J.K.K.)
- Department of Pulmonary Critical Care and Environmental Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Sarah E Scheuermann
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA 70433, USA; (C.R.E.); (C.W.); (Z.C.); (M.I.); (S.E.S.); (K.A.G.); (N.J.M.); (R.V.B.)
| | - Kelly A Goff
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA 70433, USA; (C.R.E.); (C.W.); (Z.C.); (M.I.); (S.E.S.); (K.A.G.); (N.J.M.); (R.V.B.)
| | - Nicholas J Maness
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA 70433, USA; (C.R.E.); (C.W.); (Z.C.); (M.I.); (S.E.S.); (K.A.G.); (N.J.M.); (R.V.B.)
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Robert V Blair
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA 70433, USA; (C.R.E.); (C.W.); (Z.C.); (M.I.); (S.E.S.); (K.A.G.); (N.J.M.); (R.V.B.)
| | - Jay K Kolls
- Departments of Medicine and Pediatrics, Center for Translational Research in Infection and Inflammation, Tulane University School of Medicine, New Orleans, LA 70112, USA; (A.R.K.); (H.Y.); (J.K.K.)
- Department of Pulmonary Critical Care and Environmental Medicine, Tulane University School of Medicine, New Orleans, LA 70112, USA
| | - Xuebin Qin
- Division of Comparative Pathology, Tulane National Primate Research Center, Health Sciences Campus, 18703 Three Rivers Road, Covington, LA 70433, USA; (C.R.E.); (C.W.); (Z.C.); (M.I.); (S.E.S.); (K.A.G.); (N.J.M.); (R.V.B.)
- Department of Microbiology and Immunology, Tulane University School of Medicine, New Orleans, LA 70112, USA
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2
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Lui VG, Hoenig M, Cabrera-Martinez B, Baxter RM, Garcia-Perez JE, Bailey O, Acharya A, Lundquist K, Capera J, Matusewicz P, Hartl FA, D’Abramo M, Alba J, Jacobsen EM, Niewolik D, Lorenz M, Pannicke U, Schulz AS, Debatin KM, Schamel WW, Minguet S, Gumbart JC, Dustin ML, Cambier JC, Schwarz K, Hsieh EW. A partial human LCK defect causes a T cell immunodeficiency with intestinal inflammation. J Exp Med 2024; 221:e20230927. [PMID: 37962568 PMCID: PMC10644909 DOI: 10.1084/jem.20230927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 09/09/2023] [Accepted: 10/27/2023] [Indexed: 11/15/2023] Open
Abstract
Lymphocyte-specific protein tyrosine kinase (LCK) is essential for T cell antigen receptor (TCR)-mediated signal transduction. Here, we report two siblings homozygous for a novel LCK variant (c.1318C>T; P440S) characterized by T cell lymphopenia with skewed memory phenotype, infant-onset recurrent infections, failure to thrive, and protracted diarrhea. The patients' T cells show residual TCR signal transduction and proliferation following anti-CD3/CD28 and phytohemagglutinin (PHA) stimulation. We demonstrate in mouse models that complete (Lck-/-) versus partial (LckP440S/P440S) loss-of-function LCK causes disease with differing phenotypes. While both Lck-/- and LckP440S/P440S mice exhibit arrested thymic T cell development and profound T cell lymphopenia, only LckP440S/P440S mice show residual T cell proliferation, cytokine production, and intestinal inflammation. Furthermore, the intestinal disease in the LckP440S/P440S mice is prevented by CD4+ T cell depletion or regulatory T cell transfer. These findings demonstrate that P440S LCK spares sufficient T cell function to allow the maturation of some conventional T cells but not regulatory T cells-leading to intestinal inflammation.
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Affiliation(s)
- Victor G. Lui
- Department of Immunology and Microbiology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Manfred Hoenig
- Department of Pediatrics, University Medical Center Ulm, Ulm, Germany
| | - Berenice Cabrera-Martinez
- Department of Immunology and Microbiology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Ryan M. Baxter
- Department of Immunology and Microbiology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Josselyn E. Garcia-Perez
- Department of Immunology and Microbiology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Olivia Bailey
- Department of Immunology and Microbiology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Atanu Acharya
- School of Physics, Georgia Institute of Technology, Atlanta, GA, USA
- BioInspired Syracuse and Department of Chemistry, Syracuse University, Syracuse, NY, USA
| | - Karl Lundquist
- School of Physics, Georgia Institute of Technology, Atlanta, GA, USA
| | - Jesusa Capera
- Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, The Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | - Paul Matusewicz
- Faculty of Biology, University of Freiburg, Freiburg, Germany
- BIOSS Centre for Biological Signalling Studies and CIBSS Centre for Integrative Biological Signalling Studies, University of Freiburg, Freiburg, Germany
- Center of Chronic Immunodeficiency, University Clinics and Medical Faculty, University, Freiburg, Germany
| | - Frederike A. Hartl
- Faculty of Biology, University of Freiburg, Freiburg, Germany
- BIOSS Centre for Biological Signalling Studies and CIBSS Centre for Integrative Biological Signalling Studies, University of Freiburg, Freiburg, Germany
- Center of Chronic Immunodeficiency, University Clinics and Medical Faculty, University, Freiburg, Germany
| | - Marco D’Abramo
- Department of Chemistry, Sapienza University of Rome, Rome, Italy
| | - Josephine Alba
- Department of Biology, Université de Fribourg, Fribourg, Switzerland
| | | | - Doris Niewolik
- Institute for Transfusion Medicine, University of Ulm, Ulm, Germany
| | - Myriam Lorenz
- Institute for Transfusion Medicine, University of Ulm, Ulm, Germany
| | - Ulrich Pannicke
- Institute for Transfusion Medicine, University of Ulm, Ulm, Germany
| | - Ansgar S. Schulz
- Department of Pediatrics, University Medical Center Ulm, Ulm, Germany
| | | | - Wolfgang W. Schamel
- Faculty of Biology, University of Freiburg, Freiburg, Germany
- BIOSS Centre for Biological Signalling Studies and CIBSS Centre for Integrative Biological Signalling Studies, University of Freiburg, Freiburg, Germany
- Center of Chronic Immunodeficiency, University Clinics and Medical Faculty, University, Freiburg, Germany
| | - Susana Minguet
- Faculty of Biology, University of Freiburg, Freiburg, Germany
- BIOSS Centre for Biological Signalling Studies and CIBSS Centre for Integrative Biological Signalling Studies, University of Freiburg, Freiburg, Germany
- Center of Chronic Immunodeficiency, University Clinics and Medical Faculty, University, Freiburg, Germany
| | - James C. Gumbart
- School of Physics, Georgia Institute of Technology, Atlanta, GA, USA
| | - Michael L. Dustin
- Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, The Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | - John C. Cambier
- Department of Immunology and Microbiology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Human Immunology and Immunotherapy Initiative, University of Colorado Anschutz School of Medicine, Aurora, CO, USA
| | - Klaus Schwarz
- Institute for Transfusion Medicine, University of Ulm, Ulm, Germany
- Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Service Baden-Wuerttemberg-Hessen, Ulm, Germany
| | - Elena W.Y. Hsieh
- Department of Immunology and Microbiology, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
- Human Immunology and Immunotherapy Initiative, University of Colorado Anschutz School of Medicine, Aurora, CO, USA
- Department of Pediatrics, Section of Allergy and Immunology, Children’s Hospital Colorado, University of Colorado Anschutz School of Medicine, Aurora, CO, USA
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3
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Saalbach A, Seitz AT, Kohlmann J, Kalweit L, Vogt L, Selig L, Engel KM, Simon JC. Modulation of Dietary Fatty Acids in an Open-Label Study Improves Psoriasis and Dampens the Inflammatory Activation Status. Nutrients 2023; 15:nu15071698. [PMID: 37049538 PMCID: PMC10097201 DOI: 10.3390/nu15071698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 03/24/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Obesity and high abdominal fat mass are risk factors for developing the chronic inflammatory skin disease psoriasis. They are associated with increased incidence, prevalence and severity of the disease. A positive effect of weight loss on psoriasis activity has been shown in several studies. Obesity-related factors such as the dysregulation of glucose and lipid metabolism, the activation of adipose tissue and resultant persistent low-grade inflammation have been discussed as links of obesity and inflammatory diseases. Recently, we demonstrated a critical role of free fatty acids (FFAs) in obesity-mediated exacerbation of psoriatic skin inflammation in both mice and humans. In the present study, we translated these findings into a therapeutic intervention. An open-label study focusing on the dietary reduction of FFAs was conducted in patients with mild-to-moderate plaque psoriasis, and disease severity and serum markers of inflammation were analyzed. Here, we show that such a dietary intervention improves psoriatic disease activity independently of weight loss. Diet-related metabolic changes, such as a reduction in saturated free fatty acids (SFAs), may thus be more important than weight loss itself. Moreover, dietary intervention inhibited the overall pro-inflammatory activation status in patients, as shown by analysis of serum inflammatory parameters using the Olink platform. From our pilot study, we conclude that dietary intervention focusing on SFA reduction has the capacity to reduce disease activity and general inflammatory status in psoriasis patients.
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Affiliation(s)
- Anja Saalbach
- Department of Dermatology, Venerology and Allergology, Faculty of Medicine, Leipzig University, Philipp Rosenthal Str. 23, 04103 Leipzig, Germany
| | - Anna-Theresa Seitz
- Department of Dermatology, Venerology and Allergology, Faculty of Medicine, Leipzig University, Philipp Rosenthal Str. 23, 04103 Leipzig, Germany
| | - Johannes Kohlmann
- Department of Dermatology, Venerology and Allergology, Faculty of Medicine, Leipzig University, Philipp Rosenthal Str. 23, 04103 Leipzig, Germany
| | - Lena Kalweit
- Department of Dermatology, Venerology and Allergology, Faculty of Medicine, Leipzig University, Philipp Rosenthal Str. 23, 04103 Leipzig, Germany
| | - Lisa Vogt
- Department of Dermatology, Venerology and Allergology, Faculty of Medicine, Leipzig University, Philipp Rosenthal Str. 23, 04103 Leipzig, Germany
| | - Lars Selig
- Department of Medicine, Division of Nutritional Medicine, Faculty of Medicine, Leipzig University, 04103 Leipzig, Germany
| | - Kathrin M. Engel
- Institute of Medical Physics and Biophysics, Faculty of Medicine, Leipzig University, 04107 Leipzig, Germany
| | - Jan C. Simon
- Department of Dermatology, Venerology and Allergology, Faculty of Medicine, Leipzig University, Philipp Rosenthal Str. 23, 04103 Leipzig, Germany
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4
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Rosain J, Neehus AL, Manry J, Yang R, Le Pen J, Daher W, Liu Z, Chan YH, Tahuil N, Türel Ö, Bourgey M, Ogishi M, Doisne JM, Izquierdo HM, Shirasaki T, Le Voyer T, Guérin A, Bastard P, Moncada-Velez M, Han JE, Khan T, Rapaport F, Hong SH, Cheung A, Haake K, Mindt BC, Perez L, Philippot Q, Lee D, Zhang P, Rinchai D, Al Ali F, Ata MMA, Rahman M, Peel JN, Heissel S, Molina H, Kendir-Demirkol Y, Bailey R, Zhao S, Bohlen J, Mancini M, Seeleuthner Y, Roelens M, Lorenzo L, Soudée C, Paz MEJ, Gonzalez ML, Jeljeli M, Soulier J, Romana S, L’Honneur AS, Materna M, Martínez-Barricarte R, Pochon M, Oleaga-Quintas C, Michev A, Migaud M, Lévy R, Alyanakian MA, Rozenberg F, Croft CA, Vogt G, Emile JF, Kremer L, Ma CS, Fritz JH, Lemon SM, Spaan AN, Manel N, Abel L, MacDonald MR, Boisson-Dupuis S, Marr N, Tangye SG, Di Santo JP, Zhang Q, Zhang SY, Rice CM, Béziat V, Lachmann N, Langlais D, Casanova JL, Gros P, Bustamante J. Human IRF1 governs macrophagic IFN-γ immunity to mycobacteria. Cell 2023; 186:621-645.e33. [PMID: 36736301 PMCID: PMC9907019 DOI: 10.1016/j.cell.2022.12.038] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 11/22/2022] [Accepted: 12/19/2022] [Indexed: 02/05/2023]
Abstract
Inborn errors of human IFN-γ-dependent macrophagic immunity underlie mycobacterial diseases, whereas inborn errors of IFN-α/β-dependent intrinsic immunity underlie viral diseases. Both types of IFNs induce the transcription factor IRF1. We describe unrelated children with inherited complete IRF1 deficiency and early-onset, multiple, life-threatening diseases caused by weakly virulent mycobacteria and related intramacrophagic pathogens. These children have no history of severe viral disease, despite exposure to many viruses, including SARS-CoV-2, which is life-threatening in individuals with impaired IFN-α/β immunity. In leukocytes or fibroblasts stimulated in vitro, IRF1-dependent responses to IFN-γ are, both quantitatively and qualitatively, much stronger than those to IFN-α/β. Moreover, IRF1-deficient mononuclear phagocytes do not control mycobacteria and related pathogens normally when stimulated with IFN-γ. By contrast, IFN-α/β-dependent intrinsic immunity to nine viruses, including SARS-CoV-2, is almost normal in IRF1-deficient fibroblasts. Human IRF1 is essential for IFN-γ-dependent macrophagic immunity to mycobacteria, but largely redundant for IFN-α/β-dependent antiviral immunity.
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Affiliation(s)
- Jérémie Rosain
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France; Paris Cité University, Imagine Institute, 75015 Paris, France.
| | - Anna-Lena Neehus
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France,Institute of Experimental Hematology, REBIRTH Center for Regenerative and Translational Medicine, Hannover Medical School, 30625 Hannover, Germany
| | - Jeremy Manry
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - Rui Yang
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Jérémie Le Pen
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Wassim Daher
- Infectious Disease Research Institute of Montpellier (IRIM), Montpellier University, 34000 Montpellier, France,Inserm, IRIM, 34293 Montpellier, France
| | - Zhiyong Liu
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Yi-Hao Chan
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Natalia Tahuil
- Department of Immunology, Del Niño Jesus Hospital, T4000 San Miguel de Tucuman, Tucuman, Argentina
| | - Özden Türel
- Department of Pediatric Infectious Disease, Bezmialem Vakif University Faculty of Medicine, 34093 İstanbul, Turkey
| | - Mathieu Bourgey
- Dahdaleh Institute of Genomic Medicine, McGill University, Montreal, QC H3A 0G1, Canada,Canadian Centre for Computation Genomics, Montreal, QC H3A 0G1, Canada
| | - Masato Ogishi
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Jean-Marc Doisne
- Innate Immunity Unit, Institut Pasteur, 75015 Paris, France,Inserm U1223, 75015 Paris, France
| | | | - Takayoshi Shirasaki
- Department of Medicine, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7292, USA
| | - Tom Le Voyer
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - Antoine Guérin
- Garvan Institute of Medical Research, Darlinghurst, NSW 2010, Australia,St. Vincent’s Clinical School, Faculty of Medicine, University of NSW, Sydney, NSW 2052, Australia
| | - Paul Bastard
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France,St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA,Pediatric Hematology-Immunology and Rheumatology Unit, Necker Hospital for Sick Children, AP-HP, 75015 Paris, France
| | - Marcela Moncada-Velez
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Ji Eun Han
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Taushif Khan
- Department of Immunology, Sidra Medicine, Doha, Qatar
| | - Franck Rapaport
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Seon-Hui Hong
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Andrew Cheung
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Kathrin Haake
- Institute of Experimental Hematology, REBIRTH Center for Regenerative and Translational Medicine, Hannover Medical School, 30625 Hannover, Germany
| | - Barbara C. Mindt
- Department of Microbiology and Immunology, McGill University, Montreal, QC H3A 0G1, Canada,McGill University Research Centre on Complex Traits, McGill University, Montreal, QC H3A 0G1, Canada,FOCiS Centre of Excellence in Translational Immunology, McGill University, Montreal, QC H3A 0G1, Canada
| | - Laura Perez
- Department of Immunology and Rheumatology, “J. P. Garrahan” National Hospital of Pediatrics, C1245 CABA, Buenos Aires, Argentina
| | - Quentin Philippot
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - Danyel Lee
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France,St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Peng Zhang
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Darawan Rinchai
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Fatima Al Ali
- Department of Immunology, Sidra Medicine, Doha, Qatar
| | | | | | - Jessica N. Peel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Søren Heissel
- Proteomics Resource Center, The Rockefeller University, New York, NY 10065, USA
| | - Henrik Molina
- Proteomics Resource Center, The Rockefeller University, New York, NY 10065, USA
| | - Yasemin Kendir-Demirkol
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA,Umraniye Education and Research Hospital, Department of Pediatric Genetics, 34764 İstanbul, Turkey
| | - Rasheed Bailey
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Shuxiang Zhao
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Jonathan Bohlen
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - Mathieu Mancini
- Dahdaleh Institute of Genomic Medicine, McGill University, Montreal, QC H3A 0G1, Canada,Department of Microbiology and Immunology, McGill University, Montreal, QC H3A 0G1, Canada,McGill University Research Centre on Complex Traits, McGill University, Montreal, QC H3A 0G1, Canada
| | - Yoann Seeleuthner
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - Marie Roelens
- Study Center for Primary Immunodeficiencies, Necker Hospital for Sick Children, AP-HP, 75015 Paris, France,Paris Cité University, 75006 Paris, France
| | - Lazaro Lorenzo
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - Camille Soudée
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - María Elvira Josefina Paz
- Department of Pediatric Pathology, Del Niño Jesus Hospital, T4000 San Miguel de Tucuman, Tucuman, Argentina
| | - Maria Laura Gonzalez
- Central Laboratory, Del Niño Jesus Hospital, T4000 San Miguel de Tucuman, Tucuman, Argentina
| | - Mohamed Jeljeli
- Cochin University Hospital, Biological Immunology Unit, AP-HP, 75014 Paris, France
| | - Jean Soulier
- Inserm/CNRS U944/7212, Paris Cité University, 75006 Paris, France,Hematology Laboratory, Saint-Louis Hospital, AP-HP, 75010 Paris, France,,National Reference Center for Bone Marrow Failures, Saint-Louis and Robert Debré Hospitals, 75010 Paris, France
| | - Serge Romana
- Rare Disease Genomic Medicine Department, Paris Cité University, Necker Hospital for Sick Children, 75015 Paris, France
| | | | - Marie Materna
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - Rubén Martínez-Barricarte
- Division of Genetic Medicine, Department of Medicine, Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, TN 37232, USA,Department of Pathology, Microbiology, and Immunology, Vanderbilt Center for Immunobiology, Vanderbilt Institute for Infection, Immunology, and Inflammation, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Mathieu Pochon
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - Carmen Oleaga-Quintas
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - Alexandre Michev
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - Mélanie Migaud
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France
| | - Romain Lévy
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France,Pediatric Hematology-Immunology and Rheumatology Unit, Necker Hospital for Sick Children, AP-HP, 75015 Paris, France
| | | | - Flore Rozenberg
- Department of Virology, Paris Cité University, Cochin Hospital, 75014 Paris, France
| | - Carys A. Croft
- Innate Immunity Unit, Institut Pasteur, 75015 Paris, France,Inserm U1223, 75015 Paris, France,Paris Cité University, 75006 Paris, France
| | - Guillaume Vogt
- Inserm UMR1283, CNRS UMR8199, European Genomic Institute for Diabetes, Lille University, Lille Pasteur Institute, Lille University Hospital, 59000 Lille, France,Neglected Human Genetics Laboratory, Paris Cité University, 75006 Paris, France
| | - Jean-François Emile
- Pathology Department, Ambroise-Paré Hospital, AP-HP, 92100 Boulogne-Billancourt, France
| | - Laurent Kremer
- Infectious Disease Research Institute of Montpellier (IRIM), Montpellier University, 34000 Montpellier, France,Inserm, IRIM, 34293 Montpellier, France
| | - Cindy S. Ma
- Garvan Institute of Medical Research, Darlinghurst, NSW 2010, Australia,St. Vincent’s Clinical School, Faculty of Medicine, University of NSW, Sydney, NSW 2052, Australia
| | - Jörg H. Fritz
- Department of Microbiology and Immunology, McGill University, Montreal, QC H3A 0G1, Canada,McGill University Research Centre on Complex Traits, McGill University, Montreal, QC H3A 0G1, Canada,FOCiS Centre of Excellence in Translational Immunology, McGill University, Montreal, QC H3A 0G1, Canada,Department of Physiology, McGill University, Montreal, QC H3A 0G1, Canada
| | - Stanley M. Lemon
- Department of Medicine, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7292, USA
| | - András N. Spaan
- St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA,Department of Medical Microbiology, University Medical Center Utrecht, Utrecht University, 3584CX Utrecht, The Netherlands
| | - Nicolas Manel
- Institut Curie, PSL Research University, Inserm U932, 75005 Paris, France
| | - Laurent Abel
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France,St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Margaret R. MacDonald
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Stéphanie Boisson-Dupuis
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France,St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Nico Marr
- Department of Immunology, Sidra Medicine, Doha, Qatar,College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Stuart G. Tangye
- Garvan Institute of Medical Research, Darlinghurst, NSW 2010, Australia,St. Vincent’s Clinical School, Faculty of Medicine, University of NSW, Sydney, NSW 2052, Australia
| | - James P. Di Santo
- Innate Immunity Unit, Institut Pasteur, 75015 Paris, France,Inserm U1223, 75015 Paris, France
| | - Qian Zhang
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France,St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Shen-Ying Zhang
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France,St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Charles M. Rice
- Laboratory of Virology and Infectious Disease, The Rockefeller University, New York, NY 10065, USA
| | - Vivien Béziat
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France,Paris Cité University, Imagine Institute, 75015 Paris, France,St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Nico Lachmann
- Institute of Experimental Hematology, REBIRTH Center for Regenerative and Translational Medicine, Hannover Medical School, 30625 Hannover, Germany,Department of Pediatric Pulmonology, Allergology and Neonatology and Biomedical Research in Endstage and Obstructive Lung Disease, German Center for Lung Research, Hannover Medical School, 30625 Hannover, Germany, EU,Cluster of Excellence RESIST (EXC 2155), Hannover Medical School, 30625 Hannover, Germany
| | - David Langlais
- Dahdaleh Institute of Genomic Medicine, McGill University, Montreal, QC H3A 0G1, Canada,Department of Microbiology and Immunology, McGill University, Montreal, QC H3A 0G1, Canada,Department of Human Genetics, McGill University, Montreal, QC H3A 0G1, Canada
| | - Jean-Laurent Casanova
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France; Paris Cité University, Imagine Institute, 75015 Paris, France; St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA; Department of Pediatrics, Necker Hospital for Sick Children, AP-HP, 75015 Paris, France; Howard Hughes Medical Institute, New York, NY 10065, USA.
| | - Philippe Gros
- Dahdaleh Institute of Genomic Medicine, McGill University, Montreal, QC H3A 0G1, Canada,Department of Biochemistry, McGill University, Montreal, QC H3A 0G1, Canada
| | - Jacinta Bustamante
- Laboratory of Human Genetics of Infectious Diseases, Inserm U1163, 75015 Paris, France; Paris Cité University, Imagine Institute, 75015 Paris, France; St. Giles Laboratory of Human Genetics of Infectious Diseases, The Rockefeller University, New York, NY 10065, USA; Study Center for Primary Immunodeficiencies, Necker Hospital for Sick Children, AP-HP, 75015 Paris, France.
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5
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Calzoni E, Castagnoli R, Giliani SC. Human inborn errors of immunity caused by defects of receptor and proteins of cellular membrane. Minerva Pediatr 2020; 72:393-407. [PMID: 32960006 DOI: 10.23736/s0026-4946.20.06000-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Inborn errors of immunity are diseases of the immune system resulting from mutations that alter the expression of encoded proteins or molecules. Total updated number of these disorders is currently 406, with 430 different identified gene defects involved. Studies of the underlying mechanisms have contributed in better understanding the pathophysiology of the diseases, but also the complexity of the biology of innate and adaptive immune system and its interaction with microbes. In this review we present and briefly discuss Inborn Errors of Immunity caused by defects in genes encoding for receptors and protein of cellular membrane, including cytokine receptors, T cell antigen receptor (TCR) complex, cellular surface receptors or receptors signaling causing predominantly antibody deficiencies, co-stimulatory receptors and others. These alterations impact many biological processes of immune-system cells, including development, proliferation, activation and down-regulation of the immunological response, and result in a variety of diseases that present with distinct clinical features or with overlapping signs and symptoms.
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Affiliation(s)
- Enrica Calzoni
- Department of Molecular and Translational Medicine, A. Nocivelli Institute for Molecular Medicine, University of Brescia, Brescia, Italy -
| | - Riccardo Castagnoli
- Pediatric Clinic, IRCCS San Matteo Polyclinic Foundation, Pavia, Italy.,Department of Clinical, Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Silvia C Giliani
- Department of Molecular and Translational Medicine, A. Nocivelli Institute for Molecular Medicine, University of Brescia, Brescia, Italy
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6
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Human genetic dissection of papillomavirus-driven diseases: new insight into their pathogenesis. Hum Genet 2020; 139:919-939. [PMID: 32435828 DOI: 10.1007/s00439-020-02183-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 05/11/2020] [Indexed: 02/07/2023]
Abstract
Human papillomaviruses (HPVs) infect mucosal or cutaneous stratified epithelia. There are 5 genera and more than 200 types of HPV, each with a specific tropism and virulence. HPV infections are typically asymptomatic or result in benign tumors, which may be disseminated or persistent in rare cases, but a few oncogenic HPVs can cause cancers. This review deals with the human genetic and immunological basis of interindividual clinical variability in the course of HPV infections of the skin and mucosae. Typical epidermodysplasia verruciformis (EV) is characterized by β-HPV-driven flat wart-like and pityriasis-like cutaneous lesions and non-melanoma skin cancers in patients with inborn errors of EVER1-EVER2-CIB1-dependent skin-intrinsic immunity. Atypical EV is associated with other infectious diseases in patients with inborn errors of T cells. Severe cutaneous or anogenital warts, including anogenital cancers, are also driven by certain α-, γ-, μ or ν-HPVs in patients with inborn errors of T lymphocytes and antigen-presenting cells. The genetic basis of HPV diseases at other mucosal sites, such as oral multifocal epithelial hyperplasia or juvenile recurrent respiratory papillomatosis (JRRP), remains poorly understood. The human genetic dissection of HPV-driven lesions will clarify the molecular and cellular basis of protective immunity to HPVs, and should lead to novel diagnostic, preventive, and curative approaches in patients.
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7
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Human inborn errors of immunity to herpes viruses. Curr Opin Immunol 2020; 62:106-122. [PMID: 32014647 DOI: 10.1016/j.coi.2020.01.004] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Revised: 12/16/2019] [Accepted: 01/07/2020] [Indexed: 12/16/2022]
Abstract
Infections with any of the nine human herpes viruses (HHV) can be asymptomatic or life-threatening. The study of patients with severe diseases caused by HHVs, in the absence of overt acquired immunodeficiency, has led to the discovery or diagnosis of various inborn errors of immunity. The related inborn errors of adaptive immunity disrupt α/β T-cell rather than B-cell immunity. Affected patients typically develop HHV infections in the context of other infectious diseases. However, this is not always the case, as illustrated by inborn errors of SAP-dependent T-cell immunity to EBV-infected B cells. The related inborn errors of innate immunity disrupt leukocytes other than T and B cells, non-hematopoietic cells, or both. Patients typically develop only a single type of infection due to HHV, although, again, this is not always the case, as illustrated by inborn errors of TLR3 immunity resulting in HSV1 encephalitis in some patients and influenza pneumonitis in others. Most severe HHV infections in otherwise healthy patients remains unexplained. The forward human genetic dissection of isolated and syndromic HHV-driven illnesses will establish the molecular and cellular basis of protective immunity to HHVs, paving the way for novel diagnosis and management strategies.
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8
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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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9
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Ramadan A, Griesenauer B, Adom D, Kapur R, Hanenberg H, Liu C, Kaplan MH, Paczesny S. Specifically differentiated T cell subset promotes tumor immunity over fatal immunity. J Exp Med 2017; 214:3577-3596. [PMID: 29038366 PMCID: PMC5716032 DOI: 10.1084/jem.20170041] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Revised: 07/31/2017] [Accepted: 09/08/2017] [Indexed: 01/10/2023] Open
Abstract
Ramadan et al. demonstrate that triggering the ST2–IL-33 pathway in IL-9–secreting T cells decreases the severity of graft-versus-host disease through AREG upregulation while maintaining graft versus leukemia activity by preserving the central memory phenotype of CD8, increasing CD8α and cytolytic molecule expression. Allogeneic immune cells, particularly T cells in donor grafts, recognize and eliminate leukemic cells via graft-versus-leukemia (GVL) reactivity, and transfer of these cells is often used for high-risk hematological malignancies, including acute myeloid leukemia. Unfortunately, these cells also attack host normal tissues through the often fatal graft-versus-host disease (GVHD). Full separation of GVL activity from GVHD has yet to be achieved. Here, we show that, in mice and humans, a population of interleukin-9 (IL-9)–producing T cells activated via the ST2–IL-33 pathway (T9IL-33 cells) increases GVL while decreasing GVHD through two opposing mechanisms: protection from fatal immunity by amphiregulin expression and augmentation of antileukemic activity compared with T9, T1, and unmanipulated T cells through CD8α expression. Thus, adoptive transfer of allogeneic T9IL-33 cells offers an attractive approach for separating GVL activity from GVHD.
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Affiliation(s)
| | | | | | - Reuben Kapur
- Indiana University School of Medicine, Indianapolis, IN
| | | | - Chen Liu
- Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ
| | - Mark H Kaplan
- Indiana University School of Medicine, Indianapolis, IN
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10
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Liu Q, Wang YP, Liu Q, Zhao Q, Chen XM, Xue XH, Zhou LN, Ding Y, Tang XM, Zhao XD, Zhang ZY. Novel compound heterozygous mutations in ZAP70 in a Chinese patient with leaky severe combined immunodeficiency disorder. Immunogenetics 2017; 69:199-209. [PMID: 28124082 DOI: 10.1007/s00251-017-0971-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Accepted: 01/13/2017] [Indexed: 11/28/2022]
Abstract
In humans, the complete lack of tyrosine kinase ZAP70 function results in combined immunodeficiency (CID), with abnormal thymic development and defective T cell receptor (TCR) signaling of peripheral T cells, characterized by the selective absence of CD8+ T cells. So far, 15 unique ZAP70 mutations have been identified in approximately 20 patients with CID, with variable clinical presentations. Herein, we report the first case from China of novel compound heterozygous mutations in ZAP70 (c.598-599delCT, p.L200fsX28; c.847 C>T, R283H). The patient suffered from early-onset and recurrent infections, but showed normal growth and development without signs of failure to thrive, thus presenting as leaky SCID. The patient also had clinical manifestations of autoimmunity, such as eczematous skin lesion, inflammatory bowel disease (IBD), and intractable diarrhea, suggesting compromised T cell tolerogenic functions. Residual ZAP70 expression was identified. Immunological analysis revealed the selective absence of CD8+ T cells in the periphery and the presence of CD4+ T cells that failed to respond to phytohemagglutinin. Stimulation with lectin from pokeweed mitogen also failed to stimulate B cell proliferation in the patient. The frequency of Tfhs and Tregs in the patient was lower compared with the normal reference. Compared with the age-matched healthy control, the level of IL-17 was higher and the levels of IFN-γ, IL-4, and IL-21 were lower. Infants with selected CD8 deficiency and severe autoimmune disorders or exaggerated inflammation should be screened for ZAP70 deficiency.
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Affiliation(s)
- Qing Liu
- Research Center for Immunologic and Infectious Diseases, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Yan-Ping Wang
- Research Center for Immunologic and Infectious Diseases, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Qiao Liu
- Research Center for Immunologic and Infectious Diseases, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Qin Zhao
- Research Center for Immunologic and Infectious Diseases, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Xue-Mei Chen
- Research Center for Immunologic and Infectious Diseases, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Xiu-Hong Xue
- Research Center for Immunologic and Infectious Diseases, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Li-Na Zhou
- Clinical Laboratory Center, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Yuan Ding
- Division of Immunology, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Xue-Mei Tang
- Division of Immunology, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Xiao-Dong Zhao
- Research Center for Immunologic and Infectious Diseases, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China.,Division of Immunology, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China.,Ministry of Education Key Laboratory of Child Development and Disorders, Key Laboratory of Pediatrics in Chongqing, Chongqing International Science and Technology Cooperation Center for Child Development and Disorders, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Zhi-Yong Zhang
- Division of Immunology, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China.
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11
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Kanduc D. Measles virus hemagglutinin epitopes are potential hotspots for crossreactions with immunodeficiency-related proteins. Future Microbiol 2016; 10:503-15. [PMID: 25865190 DOI: 10.2217/fmb.14.137] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
AIMS Measles virus (MV) infection induces a protective immunity that is accompanied by a transient pathologic suppression of the immune system. This immunologic paradox remains unexplained in spite of the numerous hypotheses that have been advanced (i.e., cytokine production, soluble immunosuppressive factor, cell cycle block, signaling lymphocyte activation molecule receptor and MV infection of dendritic cells, among others). METHODS Searching for molecular link(s) between MV infection and host immunodeficiency, this study used the Immune Epitope DataBase to analyze the peptide sharing between the antigenic MV hemagglutinin (H) protein and human proteins associated with immunodeficiency. RESULTS It was found that the majority of MVH derived epitopes share several exact pentapeptide sequences with numerous human proteins involved in immune functions and immunodeficiency, such as B- and T-cell antigens, and complement components. CONCLUSION The data suggest that crossreactivity might contribute to our understanding of the link between MV immunogenicity and MV-induced immunosuppression, and highlight peptides unique to MV as a basis for developing effective and safe anti-MV vaccines.
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12
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Recurrent Respiratory Infections Revealing CD8α Deficiency. J Clin Immunol 2015; 35:692-5. [PMID: 26563160 DOI: 10.1007/s10875-015-0213-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 11/09/2015] [Indexed: 10/22/2022]
Abstract
CD8A encodes the CD8α chain of the dimeric CD8 protein, a critical coreceptor of cytotoxic T cells. We report here the comprehensive immunological evaluation of a child with a CD8A missense mutation, providing evidence that CD8 deficiency increases susceptibility to recurrent respiratory infections without interfering with the TCR-mediated proliferation of T cells. These observations expand the known phenotypes associated with CD8 deficiency.
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13
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Bonilla FA, Khan DA, Ballas ZK, Chinen J, Frank MM, Hsu JT, Keller M, Kobrynski LJ, Komarow HD, Mazer B, Nelson RP, Orange JS, Routes JM, Shearer WT, Sorensen RU, Verbsky JW, Bernstein DI, Blessing-Moore J, Lang D, Nicklas RA, Oppenheimer J, Portnoy JM, Randolph CR, Schuller D, Spector SL, Tilles S, Wallace D. Practice parameter for the diagnosis and management of primary immunodeficiency. J Allergy Clin Immunol 2015; 136:1186-205.e1-78. [PMID: 26371839 DOI: 10.1016/j.jaci.2015.04.049] [Citation(s) in RCA: 400] [Impact Index Per Article: 44.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Revised: 04/18/2015] [Accepted: 04/23/2015] [Indexed: 02/07/2023]
Abstract
The American Academy of Allergy, Asthma & Immunology (AAAAI) and the American College of Allergy, Asthma & Immunology (ACAAI) have jointly accepted responsibility for establishing the "Practice parameter for the diagnosis and management of primary immunodeficiency." This is a complete and comprehensive document at the current time. The medical environment is a changing environment, and not all recommendations will be appropriate for all patients. Because this document incorporated the efforts of many participants, no single individual, including those who served on the Joint Task Force, is authorized to provide an official AAAAI or ACAAI interpretation of these practice parameters. Any request for information about or an interpretation of these practice parameters by the AAAAI or ACAAI should be directed to the Executive Offices of the AAAAI, the ACAAI, and the Joint Council of Allergy, Asthma & Immunology. These parameters are not designed for use by pharmaceutical companies in drug promotion.
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14
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Abstract
The spectrum of primary immunodeficiency disorders (PIDs) is expanding. It includes typical disorders that primarily present with defective immunity as well as disorders that predominantly involve other systems and show few features of impaired immunity. The rapidly growing list of new immunodeficiency disorders and treatment modalities makes it imperative for providers to stay abreast of the latest and best management strategies. This article presents a brief overview of recent clinical advances in PIDs.
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Affiliation(s)
- Nikita Raje
- Children's Mercy Hospital, University of Missouri-Kansas City, 2401 Gillham Road, Kansas City, MO 64108, USA.
| | - Chitra Dinakar
- Children's Mercy Hospital, University of Missouri-Kansas City, 2401 Gillham Road, Kansas City, MO 64108, USA
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15
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Okada S, Markle JG, Deenick EK, Mele F, Averbuch D, Lagos M, Alzahrani M, Al-Muhsen S, Halwani R, Ma CS, Wong N, Soudais C, Henderson LA, Marzouqa H, Shamma J, Gonzalez M, Martinez-Barricarte R, Okada C, Avery DT, Latorre D, Deswarte C, Jabot-Hanin F, Torrado E, Fountain J, Belkadi A, Itan Y, Boisson B, Migaud M, Arlehamn CSL, Sette A, Breton S, McCluskey J, Rossjohn J, de Villartay JP, Moshous D, Hambleton S, Latour S, Arkwright PD, Picard C, Lantz O, Engelhard D, Kobayashi M, Abel L, Cooper AM, Notarangelo LD, Boisson-Dupuis S, Puel A, Sallusto F, Bustamante J, Tangye SG, Casanova JL. IMMUNODEFICIENCIES. Impairment of immunity to Candida and Mycobacterium in humans with bi-allelic RORC mutations. Science 2015; 349:606-613. [PMID: 26160376 PMCID: PMC4668938 DOI: 10.1126/science.aaa4282] [Citation(s) in RCA: 309] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Accepted: 06/29/2015] [Indexed: 12/16/2022]
Abstract
Human inborn errors of immunity mediated by the cytokines interleukin-17A and interleukin-17F (IL-17A/F) underlie mucocutaneous candidiasis, whereas inborn errors of interferon-γ (IFN-γ) immunity underlie mycobacterial disease. We report the discovery of bi-allelic RORC loss-of-function mutations in seven individuals from three kindreds of different ethnic origins with both candidiasis and mycobacteriosis. The lack of functional RORγ and RORγT isoforms resulted in the absence of IL-17A/F-producing T cells in these individuals, probably accounting for their chronic candidiasis. Unexpectedly, leukocytes from RORγ- and RORγT-deficient individuals also displayed an impaired IFN-γ response to Mycobacterium. This principally reflected profoundly defective IFN-γ production by circulating γδ T cells and CD4(+)CCR6(+)CXCR3(+) αβ T cells. In humans, both mucocutaneous immunity to Candida and systemic immunity to Mycobacterium require RORγ, RORγT, or both.
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MESH Headings
- Alleles
- Animals
- Candida albicans/immunology
- Candidiasis, Chronic Mucocutaneous/complications
- Candidiasis, Chronic Mucocutaneous/genetics
- Candidiasis, Chronic Mucocutaneous/immunology
- Cattle
- Child
- Child, Preschool
- DNA Mutational Analysis
- Exome/genetics
- Female
- Gene Rearrangement, alpha-Chain T-Cell Antigen Receptor
- Humans
- Immunity/genetics
- Interferon-gamma/immunology
- Interleukin-17/immunology
- Mice
- Mutation
- Mycobacterium bovis/immunology
- Mycobacterium bovis/isolation & purification
- Mycobacterium tuberculosis/immunology
- Mycobacterium tuberculosis/isolation & purification
- Nuclear Receptor Subfamily 1, Group F, Member 3/genetics
- Pedigree
- Receptors, Antigen, T-Cell, alpha-beta/genetics
- Receptors, Antigen, T-Cell, alpha-beta/immunology
- Receptors, Antigen, T-Cell, gamma-delta/genetics
- Receptors, Antigen, T-Cell, gamma-delta/immunology
- Severe Combined Immunodeficiency/genetics
- T-Lymphocytes/immunology
- Thymus Gland/abnormalities
- Thymus Gland/immunology
- Tuberculosis, Bovine/genetics
- Tuberculosis, Bovine/immunology
- Tuberculosis, Pulmonary/genetics
- Tuberculosis, Pulmonary/immunology
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Affiliation(s)
- Satoshi Okada
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Department of Pediatrics, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Janet G. Markle
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Elissa K. Deenick
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
- St Vincent's Clinical School, University of New South Wales, Sydney, New South Wales, Australia
| | - Federico Mele
- Institute for Research in Biomedicine, University of Italian Switzerland, Bellinzona, Switzerland
| | - Dina Averbuch
- Department of Pediatrics, Hadassah University Hospital, Jerusalem, Israel
| | - Macarena Lagos
- Department of Immunology, School of Medicine, Universidad de Valparaíso, Santiago, Chile
- Department of Pediatrics, Padre Hurtado Hospital and Clinica Alemana, Santiago, Chile
| | - Mohammed Alzahrani
- Department of Pediatrics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Saleh Al-Muhsen
- Department of Pediatrics, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
- Department of Pediatrics, Prince Naif Center for Immunology Research, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Rabih Halwani
- Department of Pediatrics, Prince Naif Center for Immunology Research, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Cindy S. Ma
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
- St Vincent's Clinical School, University of New South Wales, Sydney, New South Wales, Australia
| | - Natalie Wong
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
- St Vincent's Clinical School, University of New South Wales, Sydney, New South Wales, Australia
| | | | | | - Hiyam Marzouqa
- Caritas Baby Hospital, Post Office Box 11535, Jerusalem, Israel
| | - Jamal Shamma
- Caritas Baby Hospital, Post Office Box 11535, Jerusalem, Israel
| | - Marcela Gonzalez
- Department of Pediatrics, Hadassah University Hospital, Jerusalem, Israel
- Department of Immunology, School of Medicine, Universidad de Valparaíso, Santiago, Chile
| | - Rubén Martinez-Barricarte
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Chizuru Okada
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Danielle T. Avery
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
- St Vincent's Clinical School, University of New South Wales, Sydney, New South Wales, Australia
| | - Daniela Latorre
- Institute for Research in Biomedicine, University of Italian Switzerland, Bellinzona, Switzerland
| | - Caroline Deswarte
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | - Fabienne Jabot-Hanin
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | | | | | - Aziz Belkadi
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | - Yuval Itan
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Bertrand Boisson
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
| | - Mélanie Migaud
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | | | - Alessandro Sette
- La Jolla Institute for Allergy and Immunology, La Jolla, CA 92037, USA
| | - Sylvain Breton
- Department of Radiology, Assistance Publique–Hôpitaux de Paris (AP-HP), Necker Hospital for Sick Children, Paris, France
| | - James McCluskey
- Department of Microbiology and Immunology, Peter Doherty Institute for Infection and Immunity, University of Melbourne, Parkville, Victoria, Australia
| | - Jamie Rossjohn
- Department of Biochemistry and Molecular Biology, School of Biomedical Sciences, Monash University, Clayton, Victoria, Australia
- Australian Research Council Centre of Excellence for Advanced Molecular Imaging, Monash University, Clayton, Victoria, Australia
- Institute of Infection and Immunity, Cardiff University, School of Medicine, Heath Park, Cardiff CF14 4XN, UK
| | - Jean-Pierre de Villartay
- Laboratoire Dynamique du Génome et Système Immunitaire, INSERM UMR 1163, Université Paris Descartes–Sorbonne Paris Cité, Imagine Institute, Paris, France
| | - Despina Moshous
- Laboratoire Dynamique du Génome et Système Immunitaire, INSERM UMR 1163, Université Paris Descartes–Sorbonne Paris Cité, Imagine Institute, Paris, France
- Pediatric Hematology-Immunology Unit, AP-HP, Necker Hospital for Sick Children, Paris, France
| | - Sophie Hambleton
- Institute of Cellular Medicine, Newcastle University and Great North Children's Hospital, Newcastle upon Tyne NE4 6BE, UK
| | - Sylvain Latour
- Laboratory of Lymphocyte Activation and Susceptibility to EBV Infection, INSERM UMR 1163, Université Paris Descartes–Sorbonne Paris Cité, Imagine Institute, Paris, France
| | - Peter D. Arkwright
- Department of Paediatric Allergy Immunology, University of Manchester, Royal Manchester Children's Hospital, Manchester, UK
| | - Capucine Picard
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
- Pediatric Hematology-Immunology Unit, AP-HP, Necker Hospital for Sick Children, Paris, France
- Center for the Study of Primary Immunodeficiencies, AP-HP, Necker Hospital for Sick Children, Paris, France
| | | | - Dan Engelhard
- Department of Pediatrics, Hadassah University Hospital, Jerusalem, Israel
| | - Masao Kobayashi
- Department of Pediatrics, Hiroshima University Graduate School of Biomedical and Health Sciences, Hiroshima, Japan
| | - Laurent Abel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | | | - Luigi D. Notarangelo
- Division of Immunology, Boston Children's Hospital, Boston, MA 02115, USA
- Manton Center for Orphan Disease Research, Children's Hospital, Boston, MA 02115, USA
| | - Stéphanie Boisson-Dupuis
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | - Anne Puel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
| | - Federica Sallusto
- Institute for Research in Biomedicine, University of Italian Switzerland, Bellinzona, Switzerland
- Center of Medical Immunology, Institute for Research in Biomedicine, University of Italian Switzerland, Bellinzona, Switzerland
| | - Jacinta Bustamante
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
- Center for the Study of Primary Immunodeficiencies, AP-HP, Necker Hospital for Sick Children, Paris, France
| | - Stuart G. Tangye
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, New South Wales, Australia
- St Vincent's Clinical School, University of New South Wales, Sydney, New South Wales, Australia
| | - Jean-Laurent Casanova
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM UMR 1163, Paris, France
- Paris Descartes University, Imagine Institute, Paris, France
- Pediatric Hematology-Immunology Unit, AP-HP, Necker Hospital for Sick Children, Paris, France
- Howard Hughes Medical Institute, New York, NY 10065, USA
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16
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Duncan CJ, Hambleton S. Varicella zoster virus immunity: A primer. J Infect 2015; 71 Suppl 1:S47-53. [DOI: 10.1016/j.jinf.2015.04.015] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/21/2015] [Indexed: 01/22/2023]
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Single-nucleotide polymorphisms in CD8A and their associations with T lymphocyte subpopulations in pig. Mol Genet Genomics 2015; 290:1447-56. [PMID: 25690570 DOI: 10.1007/s00438-015-1008-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Accepted: 02/07/2015] [Indexed: 10/24/2022]
Abstract
Findings from previous studies suggested that the cluster of the differentiation 8 alpha (CD8A) gene plays a prominent role in human T lymphocyte subpopulations. However, the evidence from pig population is still rare. To determine whether the important role of the CD8A gene is conserved in pig, a candidate gene analysis was performed herein through genotype-phenotype associations. Five single-nucleotide polymorphisms (SNPs) locating in the regulatory region of porcine CD8A gene were detected and tested for association analysis with seven T lymphocyte subpopulations (proportion of CD4(-)CD8(-), CD4(+)CD8(+), CD4(+)CD8(-), CD4(-)CD8(+), CD4(+), CD8(+), and the ratio of CD4(+) to CD8(+) T cells in peripheral blood) in 382 Large White piglets. After Bonferroni correction for multiple testing, four SNPs were significantly associated with some or all of the seven T lymphocyte subpopulations. Analyses of pairwise D' measures of linkage disequilibrium between all SNPs were also explored. Two haplotype blocks was inferred and the association study on haplotype level revealed similar effects on T lymphocyte subpopulations. In addition, the tissue-specific RNA expression pattern and electrophoretic mobility shift assay offered further explanation of the link between the CD8A gene with porcine T lymphocyte subpopulations. The findings presented here provide strong evidence for associations of CD8A variants with T lymphocyte subpopulations and may be applied in porcine breeding programs.
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18
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Xu Q, Chen Y, Zhao WM, Huang ZY, Duan XJ, Tong YY, Zhang Y, Li X, Chang GB, Chen GH. The CD8α gene in duck (Anatidae): cloning, characterization, and expression during viral infection. Mol Biol Rep 2014; 42:431-9. [PMID: 25332128 DOI: 10.1007/s11033-014-3784-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2013] [Accepted: 09/28/2014] [Indexed: 11/27/2022]
Abstract
Cluster of differentiation 8 alpha (CD8α) is critical for cell-mediated immune defense and T-cell development. Although CD8α sequences have been reported for several species, very little is known about CD8α in ducks. To elucidate the mechanisms involved in the innate and adaptive immune responses of ducks, we cloned CD8α coding sequences from domestic, Muscovy, Mallard, and Spotbill ducks using reverse transcription polymerase chain reaction (RT-PCR). Each sequence consisted of 714 nucleotides and encoded a signal peptide, an IgV-like domain, a stalk region, a transmembrane region, and a cytoplasmic tail. We identified 58 nucleotide differences and 37 amino acid differences among the four types of duck; of these, 53 nucleotide and 33 amino acid differences were between Muscovy ducks and the other duck species. The CD8α cDNA sequence from domestic duck consisted of a 61-nucleotide 5' untranslated region (UTR), a 714-nucleotide open reading frame, and an 849-nucleotide 3' UTR. Multiple sequence alignments showed that the amino acid sequence of CD8α is conserved in vertebrates. RT-PCR revealed that expression of CD8α mRNA of domestic ducks was highest in the thymus and very low in the kidney, cerebrum, cerebellum, and muscle. Immunohistochemical analyses detected CD8α on the splenic corpuscle and periarterial lymphatic sheath of the spleen. CD8α mRNA in domestic ducklings was initially up-regulated, and then down-regulated, in the thymus, spleen, and liver after treatment with duck hepatitis virus type I (DHV-1) or the immunostimulant polyriboinosinic polyribocytidylic acid (poly I:C).
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Affiliation(s)
- Qi Xu
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, People's Republic of China
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19
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Casanova JL, Conley ME, Seligman SJ, Abel L, Notarangelo LD. Guidelines for genetic studies in single patients: lessons from primary immunodeficiencies. ACTA ACUST UNITED AC 2014; 211:2137-49. [PMID: 25311508 PMCID: PMC4203950 DOI: 10.1084/jem.20140520] [Citation(s) in RCA: 178] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Casanova and colleagues discuss the importance of single-patient genetic studies in the discovery of novel primary immunodeficiencies and offer insight into the standards and criteria that should accompany these studies. Can genetic and clinical findings made in a single patient be considered sufficient to establish a causal relationship between genotype and phenotype? We report that up to 49 of the 232 monogenic etiologies (21%) of human primary immunodeficiencies (PIDs) were initially reported in single patients. The ability to incriminate single-gene inborn errors in immunodeficient patients results from the relative ease in validating the disease-causing role of the genotype by in-depth mechanistic studies demonstrating the structural and functional consequences of the mutations using blood samples. The candidate genotype can be causally connected to a clinical phenotype using cellular (leukocytes) or molecular (plasma) substrates. The recent advent of next generation sequencing (NGS), with whole exome and whole genome sequencing, induced pluripotent stem cell (iPSC) technology, and gene editing technologies—including in particular the clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9 technology—offer new and exciting possibilities for the genetic exploration of single patients not only in hematology and immunology but also in other fields. We propose three criteria for deciding if the clinical and experimental data suffice to establish a causal relationship based on only one case. The patient’s candidate genotype must not occur in individuals without the clinical phenotype. Experimental studies must indicate that the genetic variant impairs, destroys, or alters the expression or function of the gene product (or two genetic variants for compound heterozygosity). The causal relationship between the candidate genotype and the clinical phenotype must be confirmed via a relevant cellular phenotype, or by default via a relevant animal phenotype. When supported by satisfaction of rigorous criteria, the report of single patient–based discovery of Mendelian disorders should be encouraged, as it can provide the first step in the understanding of a group of human diseases, thereby revealing crucial pathways underlying physiological and pathological processes.
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Affiliation(s)
- Jean-Laurent Casanova
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065 Howard Hughes Medical Institute, New York, NY 10065 Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France Paris Descartes University, Imagine Institute, 75015 Paris, France Pediatric Hematology-Immunology Unit, Necker Hospital for Sick Children, 75015 Paris, France
| | - Mary Ellen Conley
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065
| | - Stephen J Seligman
- Department of Microbiology and Immunology, New York Medical College, Valhalla, NY 10595
| | - Laurent Abel
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065 Howard Hughes Medical Institute, New York, NY 10065 Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM U1163, Necker Hospital for Sick Children, 75015 Paris, France Paris Descartes University, Imagine Institute, 75015 Paris, France
| | - Luigi D Notarangelo
- Division of Immunology, Boston Children's Hospital, Boston, MA 02115 Department of Pediatrics and Pathology, Harvard Medical School, Boston, MA 02115
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20
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Notarangelo LD. Partial defects of T-cell development associated with poor T-cell function. J Allergy Clin Immunol 2013; 131:1297-305. [PMID: 23465662 PMCID: PMC3640792 DOI: 10.1016/j.jaci.2013.01.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2012] [Revised: 01/14/2013] [Accepted: 01/15/2013] [Indexed: 10/27/2022]
Abstract
For many years, severe combined immune deficiency diseases, which are characterized by virtual lack of circulating T cells and severe predisposition to infections since early in life, have been considered the prototypic forms of genetic defects of T-cell development. More recently, advances in genome sequencing have allowed identification of a growing number of gene defects that cause severe but incomplete defects in T-cell development, function, or both. Along with recurrent and severe infections, especially cutaneous viral infections, the clinical phenotype of these conditions is characterized by prominent immune dysregulation.
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Affiliation(s)
- Luigi D Notarangelo
- Division of Immunology and the Manton Center for Orphan Disease Research, Children's Hospital Boston, Boston, MA 02115, USA.
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21
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Remakus S, Sigal LJ. Memory CD8+ T Cell Protection. CROSSROADS BETWEEN INNATE AND ADAPTIVE IMMUNITY IV 2013; 785:77-86. [DOI: 10.1007/978-1-4614-6217-0_9] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Tasher D, Dalal I. The genetic basis of severe combined immunodeficiency and its variants. APPLICATION OF CLINICAL GENETICS 2012; 5:67-80. [PMID: 23776382 PMCID: PMC3681194 DOI: 10.2147/tacg.s18693] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Severe combined immunodeficiency (SCID) syndromes are characterized by a block in T lymphocyte differentiation that is variably associated with abnormal development of other lymphocyte lineages (B and/or natural killer [NK] cells), leading to death early in life unless treated urgently by hematopoietic stem cell transplant. SCID comprises genotypically and phenotypically heterogeneous conditions, of which the genetic basis for approximately 85% of the underlying immunologic defects have been recently elucidated. A major obstacle in deciphering the pathogenesis of SCID syndromes is that different mutations in a single gene may give rise to distinct clinical conditions and that a similar clinical phenotype can result from mutations in different genes. Mutation analysis is now an important component of the complete evaluation of a patient with SCID since it has a dramatic impact on many aspects of this potentially life-threatening disease such as genetic counseling, prenatal diagnosis, modalities of treatment, and, eventually, prognosis. Dr Robert Good, one of the founders of modern immunology, described the SCID syndrome as “experiments of nature.” By understanding the cellular and genetic basis of these immunodeficiency diseases and, eventually, normal immunity, we optimize the “bedside to research laboratory and back again” approach to medicine.
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Affiliation(s)
- Diana Tasher
- The Pediatric Infectious and Immunology Unit, E Wolfson Medical Center, Holon, Israel ; The Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
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Imataki O, Ansén S, Tanaka M, Butler MO, Berezovskaya A, Milstein MI, Kuzushima K, Nadler LM, Hirano N. IL-21 can supplement suboptimal Lck-independent MAPK activation in a STAT-3-dependent manner in human CD8(+) T cells. THE JOURNAL OF IMMUNOLOGY 2012; 188:1609-19. [PMID: 22238455 DOI: 10.4049/jimmunol.1003446] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Although both MHC class II/CD8α double-knockout and CD8β null mice show a defect in the development of MHC class I-restricted CD8(+) T cells in the thymus, they possess low numbers of high-avidity peripheral CTL with limited clonality and are able to contain acute and chronic infections. These in vivo data suggest that the CD8 coreceptor is not absolutely necessary for the generation of Ag-specific CTL. Lack of CD8 association causes partial TCR signaling because of the absence of CD8/Lck recruitment to the proximity of the MHC/TCR complex, resulting in suboptimal MAPK activation. Therefore, there should exist a signaling mechanism that can supplement partial TCR activation caused by the lack of CD8 association. In this human study, we have shown that CD8-independent stimulation of Ag-specific CTL previously primed in the presence of CD8 coligation, either in vivo or in vitro, induced severely impaired in vitro proliferation. When naive CD8(+) T cells were primed in the absence of CD8 binding and subsequently restimulated in the presence of CD8 coligation, the proliferation of Ag-specific CTL was also severely hampered. However, when CD8-independent T cell priming and restimulation were supplemented with IL-21, Ag-specific CD8(+) CTL expanded in two of six individuals tested. We found that IL-21 rescued partial MAPK activation in a STAT3- but not STAT1-dependent manner. These results suggest that CD8 coligation is critical for the expansion of postthymic peripheral Ag-specific CTL in humans. However, STAT3-mediated IL-21 signaling can supplement partial TCR signaling caused by the lack of CD8 association.
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Affiliation(s)
- Osamu Imataki
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
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D'Agostino M, Tornillo G, Caporaso MG, Barone MV, Ghigo E, Bonatti S, Mottola G. Ligand of Numb proteins LNX1p80 and LNX2 interact with the human glycoprotein CD8α and promote its ubiquitylation and endocytosis. J Cell Sci 2011; 124:3545-56. [DOI: 10.1242/jcs.081224] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
E3 ubiquitin ligases give specificity to the ubiquitylation process by selectively binding substrates. Recently, their function has emerged as a crucial modulator of T-cell tolerance and immunity. However, substrates, partners and mechanism of action for most E3 ligases remain largely unknown. In this study, we identified the human T-cell co-receptor CD8 α-chain as binding partner of the ligand of Numb proteins X1 (LNX1p80 isoform) and X2 (LNX2). Both LNX mRNAs were found expressed in T cells purified from human blood, and both proteins interacted with CD8α in human HPB-ALL T cells. By using an in vitro assay and a heterologous expression system we showed that the interaction is mediated by the PDZ (PSD95-DlgA-ZO-1) domains of LNX proteins and the cytosolic C-terminal valine motif of CD8α. Moreover, CD8α redistributed LNX1 or LNX2 from the cytosol to the plasma membrane, whereas, remarkably, LNX1 or LNX2 promoted CD8α ubiquitylation, downregulation from the plasma membrane, transport to the lysosomes, and degradation. Our findings highlight the function of LNX proteins as E3 ligases and suggest a mechanism of regulation for CD8α localization at the plasma membrane by ubiquitylation and endocytosis.
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Affiliation(s)
- Massimo D'Agostino
- Dipartimento di Biochimica e Biotecnologie Mediche, University of Naples ‘Federico II’, Via S. Pansini 5, 80131 Naples, Italy
| | - Giusy Tornillo
- Dipartimento di Biochimica e Biotecnologie Mediche, University of Naples ‘Federico II’, Via S. Pansini 5, 80131 Naples, Italy
| | - Maria Gabriella Caporaso
- Dipartimento di Biochimica e Biotecnologie Mediche, University of Naples ‘Federico II’, Via S. Pansini 5, 80131 Naples, Italy
| | - Maria Vittoria Barone
- Dipartimento di Pediatria, European Laboratory For the Investigation of Food Induced Disease, University of Naples ‘Federico II’, Via S. Pansini 5, 80131 Naples, Italy
| | - Eric Ghigo
- URMITE, CNRS UMR6236-IRD 3R198, Université de la Méditerranée, 27 Bd Jean Moulin 13358 Marseille CEDEX 05, France
| | - Stefano Bonatti
- Dipartimento di Biochimica e Biotecnologie Mediche, University of Naples ‘Federico II’, Via S. Pansini 5, 80131 Naples, Italy
| | - Giovanna Mottola
- Dipartimento di Biochimica e Biotecnologie Mediche, University of Naples ‘Federico II’, Via S. Pansini 5, 80131 Naples, Italy
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25
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Randall KL, Chan SSY, Ma CS, Fung I, Mei Y, Yabas M, Tan A, Arkwright PD, Al Suwairi W, Lugo Reyes SO, Yamazaki-Nakashimada MA, Garcia-Cruz MDLL, Smart JM, Picard C, Okada S, Jouanguy E, Casanova JL, Lambe T, Cornall RJ, Russell S, Oliaro J, Tangye SG, Bertram EM, Goodnow CC. DOCK8 deficiency impairs CD8 T cell survival and function in humans and mice. ACTA ACUST UNITED AC 2011; 208:2305-20. [PMID: 22006977 PMCID: PMC3201196 DOI: 10.1084/jem.20110345] [Citation(s) in RCA: 146] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
In humans, DOCK8 immunodeficiency syndrome is characterized by severe cutaneous viral infections. Thus, CD8 T cell function may be compromised in the absence of DOCK8. In this study, by analyzing mutant mice and humans, we demonstrate a critical, intrinsic role for DOCK8 in peripheral CD8 T cell survival and function. DOCK8 mutation selectively diminished the abundance of circulating naive CD8 T cells in both species, and in DOCK8-deficient humans, most CD8 T cells displayed an exhausted CD45RA(+)CCR7(-) phenotype. Analyses in mice revealed the CD8 T cell abnormalities to be cell autonomous and primarily postthymic. DOCK8 mutant naive CD8 T cells had a shorter lifespan and, upon encounter with antigen on dendritic cells, exhibited poor LFA-1 synaptic polarization and a delay in the first cell division. Although DOCK8 mutant T cells underwent near-normal primary clonal expansion after primary infection with recombinant influenza virus in vivo, they showed greatly reduced memory cell persistence and recall. These findings highlight a key role for DOCK8 in the survival and function of human and mouse CD8 T cells.
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Affiliation(s)
- Katrina L Randall
- Department of Immunology, The John Curtin School of Medical Research , Australian National University, Canberra, Australian Capital Territory 0200, Australia
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26
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Bernardo I, Mancebo E, Aguiló I, Anel A, Allende LM, Guerra-Vales JM, Ruiz-Contreras J, Serrano A, Talayero P, de la Calle O, Gonzalez-Santesteban C, Paz-Artal E. Phenotypic and functional evaluation of CD3+CD4-CD8- T cells in human CD8 immunodeficiency. Haematologica 2011; 96:1195-203. [PMID: 21546492 DOI: 10.3324/haematol.2011.041301] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Human CD8 immunodeficiency is characterized by undetectable CD8(+) lymphocytes and an increased population of CD4(-)CD8(-) (double negative) T lymphocytes. DESIGN AND METHODS We hypothesized that the double negative subset corresponds to the cellular population that should express CD8 and is committed to the cytotoxic T lymphocyte lineage. To assess this, we determined the phenotype and function of peripheral blood mononuclear cells and/or magnetically isolated double negative T lymphocytes from two CD8-deficient patients. To analyze the expression and co-localization with different organelles, 293T cells were transfected with plasmids bearing wild-type or mutated CD8α. RESULTS CD8α mutated protein was retained in the cytoplasm of transfected cells. The percentages of double negative cells in patients were lower than the percentages of CD8(+) T cells in healthy controls. Double negative cells mostly had an effector or effector memory phenotype whereas naïve T cells were under-represented. A low concentration of T-cell receptor excision circles together with a skewed T-cell receptor-V repertoire were observed in the double negative population. These data suggest that, in the absence of CD8 co-receptor, the thymic positive selection functions suboptimally and a limited number of mature T-cell clones would emerge from the thymus. In vitro, the double negative cells showed a mild defect in cytotoxic function and decreased proliferative capacity. CONCLUSIONS It is possible that the double negative cells are major histocompatibility complex class-I restricted T cells with cytolytic function. These results show for the first time in humans that the presence of the CD8 co-receptor is dispensable for cytotoxic ability, but that it affects the generation of thymic precursors committed to the cytotoxic T lymphocyte lineage and the proliferation of mature cytotoxic T cells.
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Affiliation(s)
- Iván Bernardo
- Servicio de Inmunología, Hospital Universitario 12 de Octubre, Avda. de Córdoba s/n, Madrid, Spain
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27
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Ferreira MAR, Mangino M, Brumme CJ, Zhao ZZ, Medland SE, Wright MJ, Nyholt DR, Gordon S, Campbell M, McEvoy BP, Henders A, Evans DM, Lanchbury JS, Pereyra F, Walker BD, Haas DW, Soranzo N, Spector TD, de Bakker PIW, Frazer IH, Montgomery GW, Martin NG. Quantitative trait loci for CD4:CD8 lymphocyte ratio are associated with risk of type 1 diabetes and HIV-1 immune control. Am J Hum Genet 2010; 86:88-92. [PMID: 20045101 DOI: 10.1016/j.ajhg.2009.12.008] [Citation(s) in RCA: 76] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2009] [Revised: 12/09/2009] [Accepted: 12/10/2009] [Indexed: 02/06/2023] Open
Abstract
Abnormal expansion or depletion of particular lymphocyte subsets is associated with clinical manifestations such as HIV progression to AIDS and autoimmune disease. We sought to identify genetic predictors of lymphocyte levels and reasoned that these may play a role in immune-related diseases. We tested 2.3 million variants for association with five lymphocyte subsets, measured in 2538 individuals from the general population, including CD4+ T cells, CD8+ T cells, CD56+ natural killer (NK) cells, and the derived measure CD4:CD8 ratio. We identified two regions of strong association. The first was located in the major histocompatibility complex (MHC), with multiple SNPs strongly associated with CD4:CD8 ratio (rs2524054, p = 2.1 x 10(-28)). The second region was centered within a cluster of genes from the Schlafen family and was associated with NK cell levels (rs1838149, p = 6.1 x 10(-14)). The MHC association with CD4:CD8 replicated convincingly (p = 1.4 x 10(-9)) in an independent panel of 988 individuals. Conditional analyses indicate that there are two major independent quantitative trait loci (QTL) in the MHC region that regulate CD4:CD8 ratio: one is located in the class I cluster and influences CD8 levels, whereas the second is located in the class II cluster and regulates CD4 levels. Jointly, both QTL explained 8% of the variance in CD4:CD8 ratio. The class I variants are also strongly associated with durable host control of HIV, and class II variants are associated with type-1 diabetes, suggesting that genetic variation at the MHC may predispose one to immune-related diseases partly through disregulation of T cell homeostasis.
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Wang R, Natarajan K, Margulies DH. Structural basis of the CD8 alpha beta/MHC class I interaction: focused recognition orients CD8 beta to a T cell proximal position. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2009; 183:2554-64. [PMID: 19625641 PMCID: PMC2782705 DOI: 10.4049/jimmunol.0901276] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
In the immune system, B cells, dendritic cells, NK cells, and T lymphocytes all respond to signals received via ligand binding to receptors and coreceptors. Although the specificity of T cell recognition is determined by the interaction of T cell receptors with MHC/peptide complexes, the development of T cells in the thymus and their sensitivity to Ag are also dependent on coreceptor molecules CD8 (for MHC class I (MHCI)) and CD4 (for MHCII). The CD8alphabeta heterodimer is a potent coreceptor for T cell activation, but efforts to understand its function fully have been hampered by ignorance of the structural details of its interactions with MHCI. In this study we describe the structure of CD8alphabeta in complex with the murine MHCI molecule H-2D(d) at 2.6 A resolution. The focus of the CD8alphabeta interaction is the acidic loop (residues 222-228) of the alpha3 domain of H-2D(d). The beta subunit occupies a T cell membrane proximal position, defining the relative positions of the CD8alpha and CD8beta subunits. Unlike the CD8alphaalpha homodimer, CD8alphabeta does not contact the MHCI alpha(2)- or beta(2)-microglobulin domains. Movements of the CD8alpha CDR2 and CD8beta CDR1 and CDR2 loops as well as the flexibility of the H-2D(d) CD loop facilitate the monovalent interaction. The structure resolves inconclusive data on the topology of the CD8alphabeta/MHCI interaction, indicates that CD8beta is crucial in orienting the CD8alphabeta heterodimer, provides a framework for understanding the mechanistic role of CD8alphabeta in lymphoid cell signaling, and offers a tangible context for design of structurally altered coreceptors for tumor and viral immunotherapy.
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Affiliation(s)
- Rui Wang
- Molecular Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892
| | - Kannan Natarajan
- Molecular Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892,Address correspondence and reprint requests to Dr. Kannan Natarajan, or Dr. David H. Margulies, Molecular Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bldg. 10, Room 11N311; 10 Center Drive, Bethesda, MD 20892-1892. and
| | - David H. Margulies
- Molecular Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1892,Address correspondence and reprint requests to Dr. Kannan Natarajan, or Dr. David H. Margulies, Molecular Biology Section, Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bldg. 10, Room 11N311; 10 Center Drive, Bethesda, MD 20892-1892. and
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Taurog JD, Dorris ML, Satumtira N, Tran TM, Sharma R, Dressel R, van den Brandt J, Reichardt HM. Spondylarthritis in HLA-B27/human β2-microglobulin-transgenic rats is not prevented by lack of CD8. ACTA ACUST UNITED AC 2009; 60:1977-84. [DOI: 10.1002/art.24599] [Citation(s) in RCA: 102] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Turul T, Tezcan I, Artac H, de Bruin-Versteeg S, Barendregt BH, Reisli I, Sanal O, van Dongen JJM, van der Burg M. Clinical heterogeneity can hamper the diagnosis of patients with ZAP70 deficiency. Eur J Pediatr 2009; 168:87-93. [PMID: 18509675 DOI: 10.1007/s00431-008-0718-x] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2007] [Accepted: 03/10/2008] [Indexed: 02/06/2023]
Abstract
One of the severe combined immunodeficiencies (SCIDs), which is caused by a genetic defect in the signal transduction pathways involved in T-cell activation, is the ZAP70 deficiency. Mutations in ZAP70 lead to both abnormal thymic development and defective T-cell receptor (TCR) signaling of peripheral T-cells. In contrast to the lymphopenia in most SCID patients, ZAP70-deficient patients have lymphocytosis, despite the selective absence of CD8+ T-cells. The clinical presentation is usually before 2 years of age with typical findings of SCID. Here, we present three new ZAP70-deficient patients who vary in their clinical presentation. One of the ZAP70-deficient patients presented as a classical SCID, the second patient presented as a healthy looking wheezy infant, whereas the third patient came to clinical attention for the eczematous skin lesions simulating atopic dermatitis with eosinophilia and elevated immunoglobulin E (IgE), similar to the Omenn syndrome. This study illustrates that awareness of the clinical heterogeneity of ZAP70 deficiency is of utmost importance for making a fast and accurate diagnosis, which will contribute to the improvement of the adequate treatment of this severe immunodeficiency.
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Affiliation(s)
- Tuba Turul
- Department of Immunology, Erasmus MC, University Medical Center Rotterdam, Dr. Molewaterplein 50, 3015 GE, Rotterdam, The Netherlands
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Riddle DS, Miller PJ, Vincent BG, Kepler TB, Maile R, Frelinger JA, Collins EJ. Rescue of cytotoxic function in the CD8alpha knockout mouse by removal of MHC class II. Eur J Immunol 2008; 38:1511-21. [PMID: 18465769 DOI: 10.1002/eji.200737710] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
CD8 plays an important role in the activity of cytolytic T cells (CTL). However, whether or not CD8 is required for the development of CTL has not been clearly determined. Cytotoxic activity in the CD8alpha knockout mouse is difficult to induce, and has only been demonstrated against allogenic MHC targets. The lack of cytotoxicity may result from impaired lineage commitment of CTL in the absence of CD8, or diminished competitiveness during selection against (unimpaired) development of CD4(+) T cells on MHC class II (MHC II). To differentiate between these possibilities, we have generated a double-knockout mouse (MHC II(-/-)CD8alpha(-/-)). In MHC II(-/-)CD8alpha(-/-) mice, developing MHC class I (MHC I)-reactive thymocytes cannot rely upon CD8 for selection, but they also cannot be overwhelmed by efficient selection of MHC II-reactive thymocytes. In this mouse, a large, heterogeneous population of peripheral coreceptor double-negative (DN) and CD4(+) T cells develops. Peripheral DN T cells are fully functional CTL. They display cytolytic activity against allogeneic MHC, and against syngeneic MHC following lymphocytic choriomeningitis virus (LCMV) infection. Cells from LCMV-infected mice bind more MHC I tetramer at lower concentrations than their wild-type CTL counterparts. These results demonstrate unequivocally that CD8 is not required for commitment of thymocytes to the CTL lineage.
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Affiliation(s)
- David S Riddle
- University of North Carolina at Chapel Hill, Department of Microbiology and Immunology, Chapel Hill, NC 27599-7290, USA
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Generation of antiviral major histocompatibility complex class I-restricted T cells in the absence of CD8 coreceptors. J Virol 2008; 82:4697-705. [PMID: 18337581 DOI: 10.1128/jvi.02698-07] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The CD8 coreceptor is important for positive selection of major histocompatibility complex I (MHC-I)-restricted thymocytes and in the generation of pathogen-specific T cells. However, the requirement for CD8 in these processes may not be essential. We previously showed that mice lacking beta(2)-microglobulin are highly susceptible to tumors induced by mouse polyoma virus (PyV), but CD8-deficient mice are resistant to these tumors. In this study, we show that CD8-deficient mice also control persistent PyV infection as efficiently as wild-type mice and generate a substantial virus-specific, MHC-I-restricted, T-cell response. Infection with vesicular stomatitis virus (VSV), which is acutely cleared, also recruited antigen-specific, MHC-I-restricted T cells in CD8-deficient mice. Yet, unlike in VSV infection, the antiviral MHC-I-restricted T-cell response to PyV has a prolonged expansion phase, indicating a requirement for persistent infection in driving T-cell inflation in CD8-deficient mice. Finally, we show that the PyV-specific, MHC-I-restricted T cells in CD8-deficient mice, while maintained long term at near-wild-type levels, are short lived in vivo and have extremely narrow T-cell receptor repertoires. These findings provide a possible explanation for the resistance of CD8-deficient mice to PyV-induced tumors and have implications for the maintenance of virus-specific MHC-I-restricted T cells during persistent infection.
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Lönnroth C, Andersson M, Arvidsson A, Nordgren S, Brevinge H, Lagerstedt K, Lundholm K. Preoperative treatment with a non-steroidal anti-inflammatory drug (NSAID) increases tumor tissue infiltration of seemingly activated immune cells in colorectal cancer. CANCER IMMUNITY 2008; 8:5. [PMID: 18307280 PMCID: PMC2935782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/20/2007] [Accepted: 02/07/2008] [Indexed: 05/26/2023]
Abstract
This study evaluates HLA gene expression and tumor infiltration by B-cells, macrophages, dendritic cells, T-helper and cytotoxic T-lymphocytes in response to short-term preoperative treatment with cyclooxygenase inhibitors. Patients with colorectal carcinoma were randomized to receive oral NSAID (indomethacin or celebrex) for three days preoperatively; controls received esomeprazol. Peroperative tumor biopsies and normal colon tissue were analyzed by microarray, quantitative PCR and immunohistochemistry. Efficacy of short-term systemic NSAID treatment was confirmed by measurement of PGE2 production in blood monocytes from healthy volunteers. NSAID treatment upregulated genes at the MHC locus on chromosome 6p21 in tumor tissue, but not in normal colon tissue, from the same patient. 23 of the 100 most upregulated genes belonged to MHC class II. HLA-DM, -DO (peptide loading), HLA-DP, -DQ, -DR (antigen presentation), granzyme B, H, perforin and FCGR3A (CD16) (cytotoxicity) displayed increased expression, as did CD8, a marker of cytotoxic T-lymphocytes, while HLA-A and -C expression were not increased by NSAID treatment. MHC II protein (HLA-DP, -DQ, -DR) levels and infiltration by CD4+ T-helper cells of tumor stroma increased upon NSAID treatment, while CD8+ cytotoxic T-lymphocytes increased in both tumor stroma and epithelium. Molecules associated with immunosuppressive T regulatory cells (FOXP3, IL-10) were significantly decreased in indomethacin-exposed tumors. Standard oral administration of NSAID three days preoperatively was enough to increase tumor infiltration by seemingly activated immune cells. These findings agree with previous information that high prostanoid activities in colorectal cancer increase the risk for reduced disease-specific survival following tumor resection.
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Affiliation(s)
- Christina Lönnroth
- Department of Surgery, Surgical Metabolic Research Laboratory at Lundberg Laboratory for Cancer Research, Sahlgrenska University Hospital, University of Gothenburg, Sweden.
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Abstract
The approach to the patient with genetic immunodeficiency is multidisciplinary, and requires close interaction between the primary care physician, immunologist, and other specialists. Dermatologists may play a key role in both the diagnosis of immunodeficiency based on recurrent infection or specific cutaneous abnormalities and in the management of cutaneous complications. The availability of bone marrow and stem cell transplantation has been life-saving for many affected children. The underlying genetic basis is now known for most forms of immunodeficiency, which has facilitated confirmation of patient diagnosis and prenatal diagnosis. Gene therapy has already been initiated for severe combined immunodeficiency, and will certainly play a growing role in therapy of this group of disorders in the future.
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Affiliation(s)
- Melissa Abrams
- Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA.
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Le Deist F, Fischer A. Primary T-cell immunodeficiencies. Clin Immunol 2008. [DOI: 10.1016/b978-0-323-04404-2.10035-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Mancebo E, Moreno-Pelayo MA, Mencía A, de la Calle-Martín O, Allende LM, Sivadorai P, Kalaydjieva L, Bertranpetit J, Coto E, Calleja-Antolín S, Ruiz-Contreras J, Paz-Artal E. Gly111Ser mutation in CD8A gene causing CD8 immunodeficiency is found in Spanish Gypsies. Mol Immunol 2007; 45:479-84. [PMID: 17658607 DOI: 10.1016/j.molimm.2007.05.022] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2007] [Revised: 05/21/2007] [Accepted: 05/22/2007] [Indexed: 11/23/2022]
Abstract
We describe the second case of CD8 immunodeficiency. It confirms the pathogenic effect of p.Gly111Ser, leading to complete deficit of CD8+ lymphocytes, although the clinical manifestations may vary in severity. Similarly to the first case reported, our patient is also from Spanish Gypsy origin and homozygous for the p.Gly111Ser mutation in CD8alpha chain. The patient has suffered repeated respiratory infections from childhood but with conservation of her pulmonary parenchyma, on the contrary to the first patient, who died because of his respiratory injury. We developed an AluI-PCR-RFLP assay to screen a total of 1127 unrelated control individuals: 734 subjects of Gypsy ancestry from different sub-isolates and geographic locations in Europe, and 393 of Spanish (non-Gypsy) ethnicity. The results indicate that p.Gly111Ser is confined to the Spanish Gypsy population, where it occurs at a carrier rate of 0.4%. Analysis of microsatellite markers flanking the CD8A mutated gene revealed a shared polymorphic haplotype suggesting a common founder for p.Gly111Ser mutation that causes CD8 deficiency in the Spanish Gypsy population. CD8 immunodeficiency should be given diagnostic consideration in Spanish Gypsies with recurrent infections. Our findings may also have implications for these patients in terms of specific recommendations in vaccination and healthy habits and for genetic counseling of affected families.
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Affiliation(s)
- Esther Mancebo
- Servicio de Inmunología, Hospital Universitario 12 de Octubre, Avda Córdoba s/n, 28041 Madrid, Spain
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Detková D, de Gracia J, Lopes-da-Silva S, Vendrell M, Alvarez A, Guarner L, Vidaller A, Rodrigo MJ, Caragol I, Espanol T, Hernández M. Common Variable Immunodeficiency. Chest 2007; 131:1883-9. [PMID: 17400689 DOI: 10.1378/chest.06-2994] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
BACKGROUND Malabsorption syndrome often develops in patients with common variable immunodeficiency (CVID). Why structural damages appear in some CVID patients and not in others is not fully understood. Memory B cells (MBs) are responsible for the production of specific antibodies, and their defects have previously been related to autoimmune, granulomatous, and lymphoproliferative complications of CVID. The objective of this study was to ascertain whether a relationship exists between MB defects and the clinical outcome of respiratory and intestinal involvement in these patients. METHODS Forty-one CVID patients were grouped as follows, according to the quantification of peripheral MBs: the MB2 group (n = 7) included patients with normal MBs; the MB1 group (n = 16) included patients with low switched MBs; and the MB0 group (n = 18) included patients with absent/low MBs. The clinical outcome of respiratory and intestinal involvement of patients was then compared among the three groups. RESULTS In the MB0 group, chronic lung disease (ie, bronchiectasis and diminished FVC and/or FEV1) developed in 50% of patients vs 13% in the MB1 group and 0% in the MB2 group (p < 0.05). In the MB0 group, malabsorption syndrome or chronic noninfectious diarrhea developed in 50% of patients vs 19% in the MB1 group and 0% in the MB2 group (p < 0.05). No differences were found among the three groups for age at onset of symptoms, delay in diagnosis/treatment, months of follow-up/treatment, and prediagnostic serum IgG concentration. CONCLUSIONS Alterations in MB count appear to be associated with a severe clinical outcome of respiratory and intestinal involvement in CVID. The MB count could be a useful laboratory parameter for orienting the prognosis and management of CVID patients.
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Affiliation(s)
- Drahomíra Detková
- Immunology Unit, University Hospital Vall d'Hebron, Barcelona, Spain
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38
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Vogt G, Vogt B, Chuzhanova N, Julenius K, Cooper DN, Casanova JL. Gain-of-glycosylation mutations. Curr Opin Genet Dev 2007; 17:245-51. [PMID: 17467977 DOI: 10.1016/j.gde.2007.04.008] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2007] [Accepted: 04/16/2007] [Indexed: 10/23/2022]
Abstract
Disease-causing missense (and other in-frame) mutations can exert their deleterious effects at the cellular level through multiple mechanisms. A pathogenic mechanism involves the addition of a novel N-linked glycan. Up to 1.4% of known disease-causing missense mutations are predicted to give rise to gains-of-glycosylation. For some of these mutations, the novel glycans have been shown to be both necessary and sufficient to account for the deleterious impact of the mutation. The chemical complementation of cells from patients in vitro with various modifiers of glycosylation has been demonstrated and raises the possibility of specific chemical treatments for patients bearing gain-of-glycosylation mutations.
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Affiliation(s)
- Guillaume Vogt
- Laboratory of Human Genetics of Infectious Diseases, INSERM, U550, Paris 75015, France.
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Carneiro-Sampaio M, Coutinho A. Immunity to microbes: lessons from primary immunodeficiencies. Infect Immun 2007; 75:1545-55. [PMID: 17283094 PMCID: PMC1865715 DOI: 10.1128/iai.00787-06] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Magda Carneiro-Sampaio
- Children's Hospital, Faculdade de Medicina da Universidade de São Paulo, Av. Dr. Enéas Carvalho Aguiar 647, 05403-900 São Paulo, Brazil.
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Cerundolo V, de la Salle H. Description of HLA class I- and CD8-deficient patients: Insights into the function of cytotoxic T lymphocytes and NK cells in host defense. Semin Immunol 2006; 18:330-6. [PMID: 16973375 DOI: 10.1016/j.smim.2006.07.006] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2006] [Accepted: 07/14/2006] [Indexed: 11/21/2022]
Abstract
Over the last few years, several patients with defects in the HLA class I presentation pathway have been described. Analysis of their clinical symptoms and immunological parameters have led to the identification of several unexpected findings which are of importance to understand the role of HLA class I-dependent immune responses in host defense. Here, we will describe and compare clinical manifestations and immunological findings of patients with defects in the peptide transporter proteins (TAP complex), tapasin and CD8 molecules.
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Affiliation(s)
- Vincenzo Cerundolo
- Weatherall Institute of Molecular Medicine, John Radcliffe Hospital, University of Oxford, Oxford OX3 9DS, UK.
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41
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Abstract
Knowledge of the genetic mutations of primary immune deficiency syndromes has grown significantly over the last 30 years. In this article the authors present an overview of the clinical aspects, laboratory evaluation, and genetic defects of primary immunodeficiencies, with an emphasis on the pathophysiology of the known molecular defects. This article is designed to give the primary pediatrician a general knowledge of this rapidly expanding field.
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Affiliation(s)
- James W Verbsky
- Division of Rheumatology, Department of Pediatrics, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226, USA
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Pinto RD, Nascimento DS, Vale AD, Santos NMSD. Molecular cloning and characterization of sea bass (Dicentrarchus labrax L.) CD8α. Vet Immunol Immunopathol 2006; 110:169-77. [PMID: 16414122 DOI: 10.1016/j.vetimm.2005.11.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2005] [Revised: 11/23/2005] [Accepted: 11/24/2005] [Indexed: 11/30/2022]
Abstract
In this work, the gene and cDNA of the sea bass CD8alpha have been isolated and characterized. The coding sequence has an ORF of 666 bp. It retains the Ig motif that interacts with MHC and the two cysteines responsible for an intra-chain disulfide bridge. The hinge region contains the two essential cysteines involved in dimerization. The transmembrane region is well conserved in all analysed sequences. Similar to other teleosts, the cytoplasmic region lacks the consensus p56(lck) motif common in higher vertebrates. Analysis of the expression pattern using RT-PCR shows the highest expression in the thymus. Like in the human gene, the sea bass CD8alpha genomic structure is organized into six exons, which roughly correspond to separate functional domains of the protein. Southern blotting shows that CD8alpha exists as a single copy gene. Together, these results support the concept that the basic structure of CD8alpha has been maintained through evolution.
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Affiliation(s)
- Rute D Pinto
- Fish Immunology and Vaccinology, Institute for Molecular and Cell Biology, Rua do Campo Alegre 823, 4150-180 Porto, Portugal
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Kalaydjieva L, Morar B, Chaix R, Tang H. A newly discovered founder population: the Roma/Gypsies. Bioessays 2005; 27:1084-94. [PMID: 16163730 DOI: 10.1002/bies.20287] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The Gypsies (a misnomer, derived from an early legend about Egyptian origins) defy the conventional definition of a population: they have no nation-state, speak different languages, belong to many religions and comprise a mosaic of socially and culturally divergent groups separated by strict rules of endogamy. Referred to as "the invisible minority", the Gypsies have for centuries been ignored by Western medicine, and their genetic heritage has only recently attracted attention. Common origins from a small group of ancestors characterise the 8-10 million European Gypsies as an unusual trans-national founder population, whose exodus from India played the role of a profound demographic bottleneck. Social and economic pressures within Europe led to gradual fragmentation, generating multiple genetically differentiated subisolates. The string of population bottlenecks and founder effects have shaped a unique genetic profile, whose potential for genetic research can be met only by study designs that acknowledge cultural tradition and self-identity.
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Affiliation(s)
- Luba Kalaydjieva
- Western Australian Institute for Medical Research and Centre for Medical Research, The University of Western Australia, Nedlands, Perth, Australia.
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Cunningham-Rundles C, Ponda PP. Molecular defects in T- and B-cell primary immunodeficiency diseases. Nat Rev Immunol 2005; 5:880-92. [PMID: 16261175 DOI: 10.1038/nri1713] [Citation(s) in RCA: 118] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
More than 120 inherited primary immunodeficiency diseases have been discovered in the past five decades, and the precise genetic defect in many of these diseases has now been identified. Increasing understanding of these molecular defects has considerably influenced both basic and translational research, and this has extended to many branches of medicine. Recent advances in both diagnosis and therapeutic modalities have allowed these defects to be identified earlier and to be more precisely defined, and they have also resulted in more promising long-term outcomes. The prospect of gene therapy continues to be included in the armamentarium of treatment considerations, because these conditions could be among the first to benefit from gene-therapy trials in humans.
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Affiliation(s)
- Charlotte Cunningham-Rundles
- Division of Clinical Immunology, Mount Sinai School of Medicine, 1425 Madison Avenue, Box 1089, New York, New York 10029, USA.
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45
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Zimmer J, Andrès E, Donato L, Hanau D, Hentges F, de la Salle H. Clinical and immunological aspects of HLA class I deficiency. QJM 2005; 98:719-27. [PMID: 16087697 DOI: 10.1093/qjmed/hci112] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Human leukocyte antigen (HLA) class I deficiency is a rare disease with remarkable clinical and biological heterogeneity. The spectrum of possible manifestations extends from the complete absence of symptoms to life-threatening disease conditions. It is usually diagnosed when HLA class I serological typing is unsuccessful; flow cytometric studies then reveal a severe reduction in the cell surface expression of HLA class I molecules (90-99% reduction compared to normal cells). In most cases to date, this low expression is due to a homozygous inactivating mutation in one of the two subunits of the transporter associated with antigen processing (TAP), critically involved in the peptide loading of HLA class I molecules. Although asymptomatic cases have been described, TAP deficiencies are usually characterized by chronic bacterial infections of the upper and lower airways, evolving to bronchiectasis, and in half of the cases, also skin ulcers with features of a chronic granulomatous inflammation. Despite the defect in HLA class-I-mediated presentation of viral antigens to cytotoxic T cells, the patients do not suffer from severe viral infections, presumably because of other efficient antiviral defence mechanisms such as antibodies, non-HLA-class-I-restricted cytotoxic effector cells and CD8+ T-cell responses to TAP-independent antigens. Treatment is at present exclusively symptomatic, and should particularly focus on the prevention of bronchiectasis, which requires early detection.
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Affiliation(s)
- J Zimmer
- Laboratoire d'Immunogénétique-Allergologie, CRP-Santé, 84 Val Fleuri, L-1526 Luxembourg, France.
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Weiler CR, Bankers-Fulbright JL. Common variable immunodeficiency: test indications and interpretations. Mayo Clin Proc 2005; 80:1187-200. [PMID: 16178499 DOI: 10.4065/80.9.1187] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Common variable immunodeficiency (CVID) is a primary immunodeficiency disorder that can present with multiple phenotypes, all of which are characterized by hypogammaglobulinemia, in a person at any age. A specific genetic defect that accounts for all CVID phenotypes has not been identified, and it is likely that several distinct genetic disorders with similar clinical presentations are responsible for the observed variation. In this review, we summarize the known genetic mutations that give rise to hypogammaglobulinemia and how these gene products affect normal or abnormal B-cell development and function, with particular emphasis on CVID. Additionally, we describe specific phenotypic and genetic laboratory tests that can be used to diagnose CVID and provide guidelines for test interpretation and subsequent therapeutic intervention.
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Affiliation(s)
- Catherine R Weiler
- Department of Internal Medicine and Division of Allergic Diseases, Mayo Clinic College of Medicine, Rochester, MN 55905, USA
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Vogt G, Chapgier A, Yang K, Chuzhanova N, Feinberg J, Fieschi C, Boisson-Dupuis S, Alcais A, Filipe-Santos O, Bustamante J, de Beaucoudrey L, Al-Mohsen I, Al-Hajjar S, Al-Ghonaium A, Adimi P, Mirsaeidi M, Khalilzadeh S, Rosenzweig S, de la Calle Martin O, Bauer TR, Puck JM, Ochs HD, Furthner D, Engelhorn C, Belohradsky B, Mansouri D, Holland SM, Schreiber RD, Abel L, Cooper DN, Soudais C, Casanova JL. Gains of glycosylation comprise an unexpectedly large group of pathogenic mutations. Nat Genet 2005; 37:692-700. [PMID: 15924140 DOI: 10.1038/ng1581] [Citation(s) in RCA: 176] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2005] [Accepted: 04/25/2005] [Indexed: 11/09/2022]
Abstract
Mutations involving gains of glycosylation have been considered rare, and the pathogenic role of the new carbohydrate chains has never been formally established. We identified three children with mendelian susceptibility to mycobacterial disease who were homozygous with respect to a missense mutation in IFNGR2 creating a new N-glycosylation site in the IFNgammaR2 chain. The resulting additional carbohydrate moiety was both necessary and sufficient to abolish the cellular response to IFNgamma. We then searched the Human Gene Mutation Database for potential gain-of-N-glycosylation missense mutations; of 10,047 mutations in 577 genes encoding proteins trafficked through the secretory pathway, we identified 142 candidate mutations ( approximately 1.4%) in 77 genes ( approximately 13.3%). Six mutant proteins bore new N-linked carbohydrate moieties. Thus, an unexpectedly high proportion of mutations that cause human genetic disease might lead to the creation of new N-glycosylation sites. Their pathogenic effects may be a direct consequence of the addition of N-linked carbohydrate.
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Affiliation(s)
- Guillaume Vogt
- Laboratory of Human Genetics of Infectious Diseases, University of Paris René Descartes INSERM U550, Necker Medical School, 156 rue de Vaugirard, 75015 Paris, France
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Abstract
Different individuals with the same kind of primary immunodeficiency may start having symptoms from early childhood on, or alternatively much later in adult life, or never. The differences in phenotype can only partly be deduced from genotype-analysis or--in case of female patients with X-linked diseases--from age-related skewing of lyonisation. The role of compensatory immune mechanisms is less clear. The microbial spectrum of infections is usually the same for both adult and infantile forms of a special primary immunodeficiency syndrome. Yet, many of the adult forms are associated with non-infectious complications, such as granuloma formation, autoimmunity or tumors. Besides standard antibiotic treatment and IgG replacement therapy, there are now different cytokine- or enzyme-replacement regimens available for some of the primary immunodeficiencies. However, exact diagnostic classification of the immunodeficiency should be obtained before such treatment modalities are used. Adult primary immunodeficiency syndromes therefore represent a challenge to both clinicians and molecular biologists.
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Affiliation(s)
- S Gadola
- Klinik für Rheumatologie und Klinische Immunologie/Allergologie, Universitätsspital INSEL, Bern, Schweiz.
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Sherwood ER, Enoh VT, Murphey ED, Lin CY. Mice depleted of CD8+ T and NK cells are resistant to injury caused by cecal ligation and puncture. J Transl Med 2004; 84:1655-65. [PMID: 15448711 DOI: 10.1038/labinvest.3700184] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
We previously showed that beta 2 microglobulin knockout mice depleted of NK cells by treatment with anti-asialoGM1 (beta2MKO/alphaAsGM1 mice) are resistant to sepsis caused by cecal ligation and puncture (CLP). beta2MKO mice possess multiple immunological defects including depletion of CD8+ T cells. This study was designed to determine the contribution of CD8+ T and NK cell deficiency to the resistance of beta2MKO/alphaAsGM1 mice to CLP-induced injury. beta2MKO/alphaAsGM1 mice and CD8 knockout mice treated with anti-asialoGM1 (CD8KO/alphaAsGM1 mice) survived significantly longer than wild-type mice following CLP. Improved long-term survival was also observed in wild-type mice rendered CD8+ T/NK cell-deficient by treatment with both anti-CD8alpha and anti-asialoGM1. Blood gas analysis and body temperature measurements showed that CD8+ T and NK cell-deficient mice have significantly reduced metabolic acidosis and less hypothermia compared to control mice at 18 h after CLP. CD8+ T/NK cell-deficient mice also showed an attenuated proinflammatory response as indicated by decreased expression of mRNAs for IL-1, IL-6 and MIP-2 in spleen and heart. IL-6, KC and MIP-2 levels in blood and peritoneal fluid were also significantly decreased CD8+ T/NK cell-deficient mice compared to controls. CD8+ T/NK cell-deficient mice exhibited decreased bacterial concentrations in blood, but not in peritoneal fluid or lung, compared to wild-type controls. These data show that mice depleted of CD8+ T and NK cells exhibit survival benefit, improved physiologic function and an attenuated proinflammatory response following CLP that is comparable to beta2M/alphaAsGM1 mice.
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Affiliation(s)
- Edward R Sherwood
- Department of Anesthesiology, The University of Texas Medical Branch, Shriners Hospital for Children, Galveston, TX 77555-0591, USA.
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Eriksson K, Bellner L, Görander S, Löwhagen GB, Tunbäck P, Rydberg K, Liljeqvist JÅ. CD4+ T-cell responses to herpes simplex virus type 2 (HSV-2) glycoprotein G are type specific and differ in symptomatic and asymptomatic HSV-2-infected individuals. J Gen Virol 2004; 85:2139-2147. [PMID: 15269352 DOI: 10.1099/vir.0.79978-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
T-cell recognition of the secreted and membrane-bound portions of the herpes simplex virus type 2 (HSV-2) glycoprotein G (sgG-2 and mgG-2, respectively) was compared in symptomatic and asymptomatic HSV-2-infected individuals and in HSV-2-seronegative controls and the responses with HSV-1 glycoproteins C and E (gC-1 and gE-1) were compared. CD4+ T cells from HSV-2-infected individuals specifically recognized both sgG-2 and mgG-2, whereas HSV-1-infected and HSV-seronegative controls did not respond to these glycoproteins. The responses to gC-1 and gE-1, on the other hand, were not type specific, as blood mononuclear cells from both HSV-1- and HSV-2-infected individuals responded in vitro. There was an association between the status of the infection (symptomatic versus asymptomatic) and the CD4+ T-cell responsiveness. Symptomatic HSV-2-seropositive individuals responded with significantly lower Th1 cytokine production to sgG-2 and mgG-2 than did asymptomatic HSV-2-infected carriers, especially within the HSV-1-negative cohort. No differences in T-cell proliferation were observed between asymptomatic and symptomatic individuals. The results have implications for studies of HSV-2-specific CD4+ T-cell reactivity in general and for analysis of immunological differences between asymptomatic and symptomatic individuals in particular.
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Affiliation(s)
- Kristina Eriksson
- Department of Rheumatology & Inflammation Research, Göteborg University, Guldhedsgatan 10A, 413 46 Göteborg, Sweden
| | - Lars Bellner
- Department of Rheumatology & Inflammation Research, Göteborg University, Guldhedsgatan 10A, 413 46 Göteborg, Sweden
| | - Staffan Görander
- Department of Virology, Göteborg University, Guldhedsgatan 10A, 413 46 Göteborg, Sweden
| | - Gun-Britt Löwhagen
- Department of Dermatovenereology, Göteborg University, Guldhedsgatan 10A, 413 46 Göteborg, Sweden
| | - Petra Tunbäck
- Department of Dermatovenereology, Göteborg University, Guldhedsgatan 10A, 413 46 Göteborg, Sweden
- Department of Virology, Göteborg University, Guldhedsgatan 10A, 413 46 Göteborg, Sweden
| | - Kristina Rydberg
- Department of Dermatology, Uddevalla Hospital, Uddevalla, Sweden
| | - Jan-Åke Liljeqvist
- Department of Virology, Göteborg University, Guldhedsgatan 10A, 413 46 Göteborg, Sweden
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