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Correale P, Mutti L, Pentimalli F, Baglio G, Saladino RE, Sileri P, Giordano A. HLA-B*44 and C*01 Prevalence Correlates with Covid19 Spreading across Italy. Int J Mol Sci 2020; 21:ijms21155205. [PMID: 32717807 PMCID: PMC7432860 DOI: 10.3390/ijms21155205] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/06/2020] [Accepted: 07/10/2020] [Indexed: 12/23/2022] Open
Abstract
The spread of COVID-19 is showing huge, unexplained, differences between northern and southern Italy. We hypothesized that the regional prevalence of specific class I human leukocyte antigen (HLA) alleles, which shape the anti-viral immune response, might partly underlie these differences. Through an ecological approach, we analyzed whether a set of HLA alleles (A, B, C), known to be involved in the immune response against infections, correlates with COVID-19 incidence. COVID-19 data were provided by the National Civil Protection Department, whereas HLA allele prevalence was retrieved through the Italian Bone-Marrow Donors Registry. Among all the alleles, HLA-A*25, B*08, B*44, B*15:01, B*51, C*01, and C*03 showed a positive log-linear correlation with COVID-19 incidence rate fixed on 9 April 2020 in proximity of the national outbreak peak (Pearson’s coefficients between 0.50 and 0.70, p-value < 0.0001), whereas HLA-B*14, B*18, and B*49 showed an inverse log-linear correlation (Pearson’s coefficients between −0.47 and −0.59, p-value < 0.0001). When alleles were examined simultaneously using a multiple regression model to control for confounding factors, HLA-B*44 and C*01 were still positively and independently associated with COVID-19: a growth rate of 16% (95%CI: 0.1–35%) per 1% point increase in B*44 prevalence; and of 19% (95%CI: 1–41%) per 1% point increase in C*01 prevalence. Our epidemiologic analysis, despite the limits of the ecological approach, is strongly suggestive of a permissive role of HLA-C*01 and B*44 towards SARS-CoV-2 infection, which warrants further investigation in case-control studies. This study opens a new potential avenue for the identification of sub-populations at risk, which could provide Health Services with a tool to define more targeted clinical management strategies and priorities in vaccination campaigns.
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Affiliation(s)
- Pierpaolo Correale
- Unit of Medical Oncology, Oncology Department, Grand Metropolitan Hospital ‘Bianchi Melacrino Morelli’, I-89124 Reggio Calabria, Italy;
| | - Luciano Mutti
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA;
| | - Francesca Pentimalli
- Cell Biology and Biotherapy Unit, Istituto Nazionale Tumori, IRCCS, Fondazione G. Pascale, I-80131 Napoli, Italy;
| | | | - Rita Emilena Saladino
- Tissue Typing Unit, Grand Metropolitan Hospital ‘Bianchi Melacrino Morelli’, I-89124 Reggio Calabria, Italy;
| | | | - Antonio Giordano
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA;
- Department of Medical Biotechnologies, University of Siena, I-53100 Siena, Italy
- Correspondence: ; Tel.: +1-215-204-9520; Fax: +1-215-204-9522
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Enrich E, Campos E, Martorell L, Herrero MJ, Vidal F, Querol S, Rudilla F. HLA-A, -B, -C, -DRB1, and -DQB1 allele and haplotype frequencies: An analysis of umbilical cord blood units at the Barcelona Cord Blood Bank. HLA 2019; 94:347-359. [PMID: 31353832 DOI: 10.1111/tan.13644] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 07/18/2019] [Accepted: 07/25/2019] [Indexed: 12/16/2022]
Abstract
Allele-level HLA compatibility in cord blood transplantation has been associated with better transplant outcomes and is recommended as a selection criterion. It is also a crucial aspect for other therapeutic applications involving cord blood-derived cells. Determination of high-resolution HLA frequencies is an important step towards improving the quality of cord blood banks. We analyzed HLA-A, -B, -C, -DRB1, and -DQB1 allele frequencies in 5458 high-quality cord blood units from the Barcelona Cord Blood Bank and identified 275 class I and 121 class II HLA alleles. A*02:01, B*44:03, C*07:01, DRB1*07:01 and DQB1*03:01 were the most frequent alleles at each locus. We detected 26 novel alleles and were able to determine the presence or absence of some null alleles, including C*04:09N, in a large number of units. We also analyzed maternal HLA typing information for 1877 units to determine real haplotype frequencies and linkage disequilibrium. A*29:02-B*44:03-C*16:01-DRB1*07:01-DQB1*02:02 was the most frequent HLA haplotype and the DRB1-DQB1 gene pair contained the two-locus haplotypes with the strongest linkage disequilibrium values. Four of the 11 unique haplotypes identified in the HLA-homozygous cord blood units were the top-ranking haplotypes identified and were present in 18% of the cohort. This is the first study to report on HLA allele and haplotype frequencies for umbilical cord blood units from the Barcelona Cord Blood Bank and the largest study to date involving two fields of HLA resolution typing of Spanish registry data.
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Affiliation(s)
- Emma Enrich
- Immunogenetics and Histocompatibility Laboratory, Banc de Sang i Teixits, Barcelona, Spain
- Transfusional Medicine Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona (VHIR-UAB), Barcelona, Spain
| | - Eva Campos
- Immunogenetics and Histocompatibility Laboratory, Banc de Sang i Teixits, Barcelona, Spain
| | - Lluís Martorell
- Congenital Coagulopathy Laboratory, Banc de Sang i Teixits, Barcelona, Spain
- Cell Therapy Unit, Banc de Sang i Teixits, Barcelona, Spain
| | - María José Herrero
- Immunogenetics and Histocompatibility Laboratory, Banc de Sang i Teixits, Barcelona, Spain
| | - Francisco Vidal
- Transfusional Medicine Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona (VHIR-UAB), Barcelona, Spain
- Congenital Coagulopathy Laboratory, Banc de Sang i Teixits, Barcelona, Spain
- CIBER of Cardiovascular Diseases (CIBERCV), Madrid, Spain
| | - Sergi Querol
- Transfusional Medicine Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona (VHIR-UAB), Barcelona, Spain
- Cell Therapy Unit, Banc de Sang i Teixits, Barcelona, Spain
| | - Francesc Rudilla
- Immunogenetics and Histocompatibility Laboratory, Banc de Sang i Teixits, Barcelona, Spain
- Transfusional Medicine Group, Vall d'Hebron Research Institute, Universitat Autònoma de Barcelona (VHIR-UAB), Barcelona, Spain
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Frias M, Rivero-Juárez A, Rodriguez-Cano D, Camacho Á, López-López P, Risalde MÁ, Manzanares-Martín B, Brieva T, Machuca I, Rivero A. HLA-B, HLA-C and KIR improve the predictive value of IFNL3 for Hepatitis C spontaneous clearance. Sci Rep 2018; 8:659. [PMID: 29330418 PMCID: PMC5766528 DOI: 10.1038/s41598-017-17531-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 11/27/2017] [Indexed: 12/15/2022] Open
Abstract
IFNL3 is the strongest predictor of spontaneous resolution (SR) of hepatitis C virus (HCV), however, consideration of IFNL3 genotype alone is of limited clinical value for the prediction of SR or chronic HCV infection. The objective of this study was to analyze the impact of HLA-B, HLA-C and KIRs on SR, as well as their additive effects on the predictive value of the IFNL3 genotype. We conducted a retrospective study of HIV patients that included both SR and chronic HCV patients. In our study, 61.6% of patients with IFNL3 CC achieved SR, and 81.5% with non-CC genotypes did not achieve SR. HLA-B*44, HLA-C*12, and KIR3DS1 were identified as predictive factors for SR, with percentages of 77.4%, 85.7% and 86.2%, respectively, for patients who did not experience SR. The presence of at least one of these three markers, defined as a genetically unfavorable profile (GUP), combined with the IFNL3 non-CC genotype showed a value of 100% for non-SR. The absence of the three markers, defined as a genetically favorable profile (GFP), in addition to the IFNL3 CC genotype showed a percentage of 74.1% for SR. The combination of these markers in addition to the IFNL3 genotype improves the predictive value of IFNL3 for SR of acute HCV infection in HIV patients, which would be clinically valuable.
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Affiliation(s)
- Mario Frias
- Infectious Diseases Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía de Córdoba, Córdoba, Spain
| | - Antonio Rivero-Juárez
- Infectious Diseases Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía de Córdoba, Córdoba, Spain.
| | - Diego Rodriguez-Cano
- Infectious Diseases Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía de Córdoba, Córdoba, Spain
| | - Ángela Camacho
- Infectious Diseases Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía de Córdoba, Córdoba, Spain
| | - Pedro López-López
- Infectious Diseases Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía de Córdoba, Córdoba, Spain
| | - María Ángeles Risalde
- Infectious Diseases Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía de Córdoba, Córdoba, Spain
| | - Bárbara Manzanares-Martín
- Immunology Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía de Córdoba, Córdoba, Spain
| | - Teresa Brieva
- Infectious Diseases Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía de Córdoba, Córdoba, Spain
| | - Isabel Machuca
- Infectious Diseases Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía de Córdoba, Córdoba, Spain
| | - Antonio Rivero
- Infectious Diseases Unit, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Hospital Universitario Reina Sofía de Córdoba, Córdoba, Spain
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Barton JC, Bertoli LF, Barton JC, Acton RT. Fibromyalgia in 300 adult index patients with primary immunodeficiency. Clin Exp Rheumatol 2017; 35 Suppl 105:68-73. [PMID: 28422000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Accepted: 03/28/2017] [Indexed: 06/07/2023]
Abstract
OBJECTIVES We sought to determine the prevalence and clinical and laboratory associations of fibromyalgia in adults with primary immunodeficiency (immunoglobulin (Ig) G subclass deficiency (IgGSD) and common variable immunodeficiency (CVID). METHODS We performed a retrospective analysis of these observations in 300 non-Hispanic white adult index patients with recurrent/severe respiratory tract infections and IgGSD or CVID: age; sex; IgGSD; fibromyalgia; chronic fatigue; autoimmune conditions (ACs); interstitial cystitis (IC); diabetes; body mass index; serum Ig isotypes; blood lymphocytes and subsets; and human leukocyte antigen (HLA)-A and -B types and haplotypes. We performed univariate comparisons, logistic multivariable regressions, and an analysis of covariance. RESULTS Mean age was 49 ± 12 (standard deviation) y. There were 246 women (82.0%). IgGSD was diagnosed in 276 patients (92.0%). Fifty-six patients had fibromyalgia (18.7%; female:male 13:1). Other characteristics included: chronic fatigue, 63.0%; aggregate ACs, 35.3%; Sjögren's syndrome, 8.0%; IC, 3.0%; diabetes, 10.3%; and HLA-A*29, B*44 positivity, 9.7%. Prevalences of female sex; chronic fatigue; IC; and HLA-A*29, B*44 positivity were greater in patients with fibromyalgia. Logistic regression on fibromyalgia revealed three positive associations: chronic fatigue (p=0.0149; odds ratio 2.6 [95% confidence interval 1.2, 5.6]); Sjögren's syndrome (p=0.0004; 5.2 [2.1, 13.2]); and IC (p=0.0232; 5.7 [1.3, 25.7]). In an analysis of covariance, there were significant interactions of chronic fatigue, Sjögren's syndrome, and interstitial cystitis on fibromyalgia. CONCLUSIONS Fibromyalgia is common in non-Hispanic white adult index patients with primary immunodeficiency, especially women. Chronic fatigue, Sjögren's syndrome, and IC are significantly associated with fibromyalgia after adjustment for other independent variables.
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Affiliation(s)
- James C Barton
- Department of Medicine, Brookwood Medical Center, Birmingham, AL; Southern Iron Disorders Center, Birmingham, AL; and Department of Medicine, University of Alabama at Birmingham, AL, USA.
| | - Luigi F Bertoli
- Department of Medicine, Brookwood Medical Center, Birmingham, AL; Southern Iron Disorders Center, Birmingham, AL; and Brookwood Biomedical, Birmingham, AL, USA
| | | | - Ronald T Acton
- Southern Iron Disorders Center, Birmingham, AL; and Department of Microbiology, University of Alabama at Birmingham, USA
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Bailey A, Dalchau N, Carter R, Emmott S, Phillips A, Werner JM, Elliott T. Selector function of MHC I molecules is determined by protein plasticity. Sci Rep 2015; 5:14928. [PMID: 26482009 PMCID: PMC5224517 DOI: 10.1038/srep14928] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Accepted: 09/09/2015] [Indexed: 12/27/2022] Open
Abstract
The selection of peptides for presentation at the surface of most nucleated cells by major histocompatibility complex class I molecules (MHC I) is crucial to the immune response in vertebrates. However, the mechanisms of the rapid selection of high affinity peptides by MHC I from amongst thousands of mostly low affinity peptides are not well understood. We developed computational systems models encoding distinct mechanistic hypotheses for two molecules, HLA-B*44:02 (B*4402) and HLA-B*44:05 (B*4405), which differ by a single residue yet lie at opposite ends of the spectrum in their intrinsic ability to select high affinity peptides. We used in vivo biochemical data to infer that a conformational intermediate of MHC I is significant for peptide selection. We used molecular dynamics simulations to show that peptide selector function correlates with protein plasticity, and confirmed this experimentally by altering the plasticity of MHC I with a single point mutation, which altered in vivo selector function in a predictable way. Finally, we investigated the mechanisms by which the co-factor tapasin influences MHC I plasticity. We propose that tapasin modulates MHC I plasticity by dynamically coupling the peptide binding region and α3 domain of MHC I allosterically, resulting in enhanced peptide selector function.
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Affiliation(s)
- Alistair Bailey
- Institute for Life Sciences, Building 85, University of Southampton, SO17 1BJ, UK
- Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD, UK
- Centre for Biological Sciences, Faculty of Natural & Environmental Sciences, Building 85, University of Southampton, SO17 1BJ, UK
| | - Neil Dalchau
- Computational Science Laboratory, Microsoft Research, 21 Station Road, Cambridge, CB1 2FB, UK
| | - Rachel Carter
- Institute for Life Sciences, Building 85, University of Southampton, SO17 1BJ, UK
- Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD, UK
| | - Stephen Emmott
- Computational Science Laboratory, Microsoft Research, 21 Station Road, Cambridge, CB1 2FB, UK
| | - Andrew Phillips
- Computational Science Laboratory, Microsoft Research, 21 Station Road, Cambridge, CB1 2FB, UK
| | - Jörn M. Werner
- Institute for Life Sciences, Building 85, University of Southampton, SO17 1BJ, UK
- Centre for Biological Sciences, Faculty of Natural & Environmental Sciences, Building 85, University of Southampton, SO17 1BJ, UK
| | - Tim Elliott
- Institute for Life Sciences, Building 85, University of Southampton, SO17 1BJ, UK
- Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, SO16 6YD, UK
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Järventausta PJ, Holopainen JM, Zalentein WN, Paakkanen R, Wennerström A, Seppänen M, Lokki ML, Tervo TMT. Peripheral hypertrophic subepithelial corneal degeneration: characterization, treatment and association with human leucocyte antigen genes. Acta Ophthalmol 2014; 92:71-6. [PMID: 23388055 DOI: 10.1111/aos.12029] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
PURPOSE To evaluate the efficacy of keratectomy in treating irregular astigmatism caused by peripheral hypertrophic subepithelial corneal degeneration (PHSD) and to study the possible underlying immunological risk factors. MATERIALS AND METHODS Patients (14 eyes) with diagnosed PHSD were treated with superficial keratectomy with or without the assistance of phototherapeutic keratectomy (VisX S4; VisX Inc., Santa Ana, CA, USA). Thirteen patients were subjected to analysis of human leucocyte antigen (HLA) genes, complement C4 gene numbers and total plasma immunoglobulin levels. Immunological risk factors between patients and a control group comprising 150 individuals were compared. RESULTS The mean preoperative best spectacle corrected visual acuity (BCVA) improved from 0.16 ± 0.22 (LogMAR scale range 0-0.7) to 0.06 ± 0.13 (-0.1-0.4) (p < 0.01). The mean preoperative astigmatism decreased significantly from 3.8 ± 2.1 D (range 1.2-8.2) to 2.1 ± 1.4 (range 0.6-5.0, p = 0.02) based on corneal topography. The HLA-B*44 allele and the ancestral haplotype (AH) 8.1 were found significantly more often in PHSD patients than in controls (both p = 0.03). No differences in the C4 genes were found. CONCLUSIONS Astigmatism secondary to PHSD can be effectively treated with keratectomy. Peeling of the fibrotic tissue reduced astigmatism and improved visual performance. We suggest that HLA-B*44 allele and AH 8.1 haplotype are immunological factors predisposing to the development of PHSD. The consequent disruption/alteration of the limbal barrier may lead to corneal peripheral fibrous formation inducing astigmatism.
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Affiliation(s)
- Petri J Järventausta
- Cornea Service, Helsinki University Eye Hospital, Helsinki, FinlandTransplantation Laboratory, Haartman Institute, University of Helsinki, Helsinki, FinlandDivision of Cardiology, Department of Medicine, Helsinki University Central Hospital, Helsinki, FinlandImmunodeficiency Unit, Division of Infectious Diseases, Department of Medicine, Helsinki University Central Hospital, Helsinki, Finland
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Balas A, Gonzalez-Roiz C, Vargas ML, García-Sánchez F, Vicario JL. Sequencing of the new HLA-B*44:150 allele suggests recombination between B*44:02:01:01 and B*07:02:01 alleles. Tissue Antigens 2012; 80:548-549. [PMID: 23137328 DOI: 10.1111/tan.12018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
B*44:150 was identical to B*44:02:01:01 except at the 3'-end region of exon 3, where a B*07-specific sequence was identified.
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Affiliation(s)
- A Balas
- Histocompatibilidad, Centro de Transfusión de la Comunidad de Madrid, Madrid, Spain.
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Singh A, Sharma P, Kar HK, Sharma VK, Tembhre MK, Gupta S, Laddha NC, Dwivedi M, Begum R, Gokhale RS, Rani R. HLA alleles and amino-acid signatures of the peptide-binding pockets of HLA molecules in vitiligo. J Invest Dermatol 2012; 132:124-34. [PMID: 21833019 DOI: 10.1038/jid.2011.240] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Vitiligo is a depigmenting disorder of the skin that is characterized by the loss of functional melanocytes from the lesional sites. Although the exact etiology is not understood, autoimmunity is thought to be a crucial deterministic factor. A recurring theme of several autoimmune disorders is the aberrant presentation of self-antigens to the immune system, which triggers downstream perturbations. Here we examine the role of alleles of HLA class I and class II loci to delineate vitiligo manifestation in two distinct populations. Our studies have identified three specific alleles, HLA-A*33:01, HLA-B*44:03, and HLA-DRB1*07:01, to be significantly increased in vitiligo patients as compared with controls in both the initial study on North Indians (N=1,404) and the replication study in Gujarat (N=355) cases, establishing their positive association with vitiligo. Both generalized and localized vitiligo have the same predisposing major histocompatibility complex alleles, i.e., B*44:03 and DRB1*07:01, in both the populations studied, beside the differences in the frequencies of other alleles, suggesting that localized vitiligo too may be an autoimmune disorder. Significant differences in the amino-acid signatures of the peptide-binding pockets of HLA-A and HLA-B α-chain and HLA-DR β-chain were observed between vitiligo patients and unaffected controls.
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Affiliation(s)
- Archana Singh
- Molecular Immunogenetics Group, National Institute of Immunology, New Delhi, India
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