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de Sousa E, Ligeiro D, Lérias JR, Zhang C, Agrati C, Osman M, El-Kafrawy SA, Azhar EI, Ippolito G, Wang FS, Zumla A, Maeurer M. Mortality in COVID-19 disease patients: Correlating the association of major histocompatibility complex (MHC) with severe acute respiratory syndrome 2 (SARS-CoV-2) variants. Int J Infect Dis 2020; 98:454-459. [PMID: 32693089 PMCID: PMC7368421 DOI: 10.1016/j.ijid.2020.07.016] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 07/15/2020] [Indexed: 12/14/2022] Open
Abstract
Genetic factors such as the HLA type of patients may play a role in regard to disease severity and clinical outcome of patients with COVID-19. Taking the data deposited in the GISAID database, we made predictions using the IEDB analysis resource (TepiTool) to gauge how variants in the SARS-CoV-2 genome may change peptide binding to the most frequent MHC-class I and -II alleles in Africa, Asia and Europe. We caracterized how a single mutation in the wildtype sequence of of SARS-CoV-2 could influence the peptide binding of SARS-CoV-2 variants to MHC class II, but not to MHC class I alleles. Assuming the ORF8 (L84S) mutation is biologically significant, selective pressure from MHC class II alleles may select for viral varients and subsequently shape the quality and quantity of cellular immune responses aginast SARS-CoV-2. MHC 4-digit typing along with viral sequence analysis should be considered in studies examining clinical outcomes in patients with COVID-19.
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Affiliation(s)
- Eric de Sousa
- ImmunoSurgery Unit, Champalimaud Centre for the Unknown, Avenida Brasília, 1400-038 Lisbon, Portugal.
| | - Dário Ligeiro
- Lisbon Centre for Blood and Transplantation (Instituto Português do Sangue e Transplantação, IPST, Lisbon, Portugal.
| | - Joana R Lérias
- ImmunoSurgery Unit, Champalimaud Centre for the Unknown, Avenida Brasília, 1400-038 Lisbon, Portugal.
| | - Chao Zhang
- Treatment and Research Center for Infectious Diseases, The Fifth Medical Center of PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing 100039, China.
| | - Chiara Agrati
- National Institute for Infectious Diseases, Lazzaro Spallanzani, Rome, Italy.
| | - Mohamed Osman
- York Biomedical Research Institute, University of York, United Kingdom and Emerging and Re-Emerging Diseases, University of Khartoum, Sudan.
| | - Sherif A El-Kafrawy
- Special Infectious Agent Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia; Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.
| | - Esam I Azhar
- Special Infectious Agent Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia; Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia.
| | - Giuseppe Ippolito
- National Institute for Infectious Diseases, Lazzaro Spallanzani, Rome, Italy.
| | - Fu-Sheng Wang
- Treatment and Research Center for Infectious Diseases, The Fifth Medical Center of PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing 100039, China.
| | - Alimuddin Zumla
- Division of Infection and Immunity, University College London and NIHR Biomedical Research Centre, UCL Hospitals NHS Foundation Trust, London, UK.
| | - Markus Maeurer
- ImmunoSurgery Unit, Champalimaud Centre for the Unknown, Avenida Brasília, 1400-038 Lisbon, Portugal; I Medical Clinical, University of Mainz, Germany.
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Wang Y, Klarić L, Yu X, Thaqi K, Dong J, Novokmet M, Wilson J, Polasek O, Liu Y, Krištić J, Ge S, Pučić-Baković M, Wu L, Zhou Y, Ugrina I, Song M, Zhang J, Guo X, Zeng Q, Rudan I, Campbell H, Aulchenko Y, Lauc G, Wang W. The Association Between Glycosylation of Immunoglobulin G and Hypertension: A Multiple Ethnic Cross-Sectional Study. Medicine (Baltimore) 2016; 95:e3379. [PMID: 27124023 PMCID: PMC4998686 DOI: 10.1097/md.0000000000003379] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
More than half of all known proteins, and almost all membrane and extra-cellular proteins have oligosaccharide structures or glycans attached to them. Defects in glycosylation pathways are directly involved in at least 30 severe human diseases.A multiple center cross-sectional study (China, Croatia, and Scotland) was carried out to investigate the possible association between hypertension and IgG glycosylation. A hydrophilic interaction chromatography of fluorescently labeled glycans was used to analyze N-glycans attached to IgG in plasma samples from a total of 4757 individuals of Chinese Han, Croatian, and Scottish ethnicity.Five glycans (IgG with digalactosylated glycans) significantly differed in participants with prehypertension or hypertension compared to those with normal blood pressure, while additional 17 glycan traits were only significantly differed in participants with hypertension compared to those of normal blood pressure. These glycans were also significant correlated with systolic blood pressure (SBP) or diastolic blood pressure (DBP).The present study demonstrated for the 1st time an association between hypertension and IgG glycome composition. These findings suggest that the individual variation in N-glycosylation of IgG contributes to pathogenesis of hypertension, presumably via its effect on pro- and/or anti-inflammatory pathways.
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Affiliation(s)
- Youxin Wang
- From Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China (YW, XY, SG, LW, MS, JZ, XG, WW); Genos Glycoscience, Zagreb, Croatia (LK, KT, MN, JK, MP-B, IU, GL); MRC Human Genetics Unit, Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK (LK); School of Medical Sciences, Edith Cowan University, Perth, WA, Australia (YW, XY, SG, WW); Center for Physical Examination, Xuanwu Hospital, Capital Medical University, Beijing, China (JD, YL); Centre for Population Health Sciences, Medical School, University of Edinburgh, Edinburgh, UK (JW, IR, HC); Faculty of Pharmacy and Biochemistry, University of Zagreb, Zagreb, Croatia (OP, GL); Department of Neurology, Beijing Anzhen Hospital, Capital Medical University (YZ); International Medical Centre, Chinese PLA General Hospital, Beijing, China (QZ); Institute of Cytology and Genetics SB RAS (YA); and Novosibirsk State University, Novosibirsk, Russia (YA)
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Koksaldi Motor V, Arica S, Motor S, Yilmaz N, Evirgen O, Inci M, Gokce C, Onlen Y. Investigation of Parvovirus B19 Seroprevalence, Endothelin-1 Synthesis, and Nitric Oxide Levels in the Etiology of Essential Hypertension. Clin Exp Hypertens 2012; 34:217-21. [DOI: 10.3109/10641963.2011.628731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Bioley G, Dousset C, Yeh A, Dupont B, Bhardwaj N, Mears G, Old LJ, Ayyoub M, Valmori D. Vaccination with recombinant NY-ESO-1 protein elicits immunodominant HLA-DR52b-restricted CD4+ T cell responses with a conserved T cell receptor repertoire. Clin Cancer Res 2009; 15:4467-74. [PMID: 19531622 DOI: 10.1158/1078-0432.ccr-09-0582] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE ESO is a tumor-specific antigen with wide expression in human tumors of different histologic types and remarkable spontaneous immunogenicity. We have previously shown that specific T(H)1 and antibody responses can be elicited in patients with no detectable preexisting immune responses by vaccination with rESO administered with Montanide ISA-51 and CpG ODN 7909. The purpose of the present study was to characterize vaccine-induced ESO-specific CD4(+) T cell responses. EXPERIMENTAL DESIGN We generated CD4(+) T cell clones from patient C2, who had the highest CD4(+) T cell response to the vaccine, and analyzed their fine specificity and HLA class II restriction to determine the recognized epitope. We then assessed the response to the identified epitope in all vaccinated patients expressing the corresponding HLA class II allele. RESULTS We found that ESO-specific CD4(+) T cell clones from patient C2 recognize peptide ESO(119-143) (core region 123-137) presented by HLA-DR52b (HLA-DRB3*0202), a MHC class II allele expressed by about half of Caucasians. Importantly, following vaccination, all patients expressing DR52b developed significant responses to the identified epitope, accounting for, on average, half of the total CD4(+) T cell responses to the 119-143 immunodominant region. In addition, analysis of ESO-specific DR52b-restricted CD4(+) T cells at the clonal level revealed significant conservation of T cell receptor usage among different individuals. CONCLUSIONS The identification of a DR52b-restricted epitope from ESO that is immunodominant in the context of vaccine-elicited immune responses is instrumental for the immunologic monitoring of vaccination trials targeting this important tumor antigen.
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Affiliation(s)
- Gilles Bioley
- Institut National de la Santé et de la Recherche Médicale, CLCC René Gauducheau, Boulevard Jacques Monod, Saint Herblain, France
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Bowman C, Delrieu O. Immunogenetics of drug-induced skin blistering disorders. Part II: Synthesis. Pharmacogenomics 2009; 10:779-816. [DOI: 10.2217/pgs.09.23] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The overall immunopathogenesis relevant to a large series of disorders caused by a drug or its associated hyperimmune condition is discussed based upon examining the genetics of severe drug-induced bullous skin problems (sporadic idiosyncratic adverse events including Stevens–Johnson syndrome and Toxic epidermal necrolysis). New results from an exemplar study on shared precipitating and perpetuating inner causes with other related disease phenotypes including aphtous stomatitis, Behçets, erythema multiforme, Hashimoto’s thyroiditis, pemphigus, periodic fevers, Sweet’s syndrome and drug-induced multisystem hypersensitivity are presented. A call for a collaborative, wider demographic profiling and deeper immunotyping in suggested future work is made.
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Affiliation(s)
- Clive Bowman
- School of Biological Sciences, University of Reading, Whiteknights, Reading, RG6 6AH, UK
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Abstract
Class II major histocompatibility complex (MHCII) molecules present antigens to CD4(+) T cells. In addition to the most commonly studied human MHCII isotype, HLA-DR, whose beta chain is encoded by the HLA-DRB1 locus, several other isotypes that use the same alpha chain but have beta chains encoded by other genes. These other DR molecules also are expressed in antigen-presenting cells and are known to participate in peptide presentation to T cells and to be recognized as alloantigens by other T cells. Like some of the HLA-DRB1 alleles, several of these alternate DR molecules have been associated with specific autoimmune diseases and T cell hypersensitivity. Here we present the structure of an HLA-DR molecule (DR52c) containing one of these alternate beta chains (HLA-DRB3*0301) bound to a self-peptide derived from the Tu elongation factor. The molecule shares structurally conserved elements with other MHC class II molecules but has some unique features in the peptide-binding groove. Comparison of the three major HLA-DBR3 alleles (DR52a, b, and c) suggests that they were derived from one another by recombination events that scrambled the four major peptide-binding pockets at peptide positions 1, 4, 6, and 9 but left virtually no polymorphisms elsewhere in the molecules.
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Murthy AK, Cong Y, Murphey C, Guentzel MN, Forsthuber TG, Zhong G, Arulanandam BP. Chlamydial protease-like activity factor induces protective immunity against genital chlamydial infection in transgenic mice that express the human HLA-DR4 allele. Infect Immun 2006; 74:6722-9. [PMID: 17015458 PMCID: PMC1698050 DOI: 10.1128/iai.01119-06] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
There is no licensed vaccine available against Chlamydia trachomatis, the leading cause of bacterial sexually transmitted disease. We have found that intranasal immunization with recombinant chlamydial protease-like activity factor (CPAF) induces CD4(+) T-cell- and gamma interferon (IFN-gamma)-dependent protective immunity against murine genital chlamydial infection, thus making CPAF a viable vaccine candidate for further characterization. HLA-DR4 is the predominant allele involved in chlamydial antigen presentation to CD4(+) T cells in humans. We used engineered mice that lack endogenous major histocompatibility complex class II (MHC-II) alleles but express a human HLA allele (HLA-DR4 transgenic [tg] mice) to examine primary immune and CPAF-mediated responses against genital Chlamydia muridarum challenge. Upon primary bacterial exposure, HLA-DR4 tg mice developed Chlamydia-specific IFN-gamma and antibody production and resolved the infection within 30 days, similar to challenged conventional C57BL/6 animals. Moreover, C. muridarum-challenged HLA-DR4 tg mice exhibited CPAF-specific antibody and IFN-gamma production. Upon CPAF-plus-interleukin-12 (IL-12) vaccination, HLA-DR4 tg animals exhibited robust CPAF-specific IFN-gamma production and elevated titers of anti-CPAF total antibody and immunoglobulin G2a (IgG2a) and lower titers of IgG2b and IgG1 antibodies. HLA-DR4 tg and C57BL/6 mice vaccinated with CPAF plus IL-12 resolved the primary genital chlamydial infection significantly earlier than mock-immunized animals, whereas similarly vaccinated MHC class II-deficient mice displayed minimal antigen-specific immune responses and failed to resolve the infection even at 30 days postchallenge. Together, these results demonstrate the importance of human HLA-DR4 molecules in the recognition and presentation of CPAF epitopes, leading to the generation of protective antichlamydial immunity and making these mice a valuable model for mapping HLA-DR4-restricted chlamydial epitopes.
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Affiliation(s)
- Ashlesh K Murthy
- Department of Biology, University of Texas at San Antonio, 6900 North Loop 1604 West, San Antonio, TX 78249, USA
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