نتایج جستجو برای: hla alleles
تعداد نتایج: 102975 فیلتر نتایج به سال:
BACKGROUND & OBJECTIVES Cytotoxic function of Natural Killer (NK) cells is regulated by the products of HLA class I genes. Associations between HLA alleles and risk for cancers have been suggested earlier. Several reports further emphasize the need to examine influence of HLA genotypes on risk for malignant disorders. Therefore, we undertook this study to assess the possibility of association o...
HLA-DRB alleles are class II alleles that are associated with CD4+ T-cell immune response. DRB alleles are polymorphic and currently there are about 622 named in the IMGT/HLA sequence database. Each allele binds short peptides with high sensitivity and specificity. However, it has been suggested that majority of HLA alleles can be covered within few HLA supertypes, where different members of a ...
Autism is a severe neurodevelopmental disorder. Many susceptible causative genes have been identified. Most of the previous reports showed the relationship between the Human Leukocyte Antigen (HLA) gene and etiology of autism. In order to identify HLA-B alleles associated with autism in Thai population, we compared the frequency of HLA-B allele in 364 autistic subjects with 952 normal subjects ...
We present a model for predicting HLA class I restricted CTL epitopes. In contrast to almost all other work in this area, we train a single model on epitopes from all HLA alleles and supertypes, yet retain the ability to make epitope predictions for specific HLA alleles. We are therefore able to leverage data across all HLA alleles and/or their supertypes, automatically learning what informatio...
BACKGROUND Previous studies on the influence of HLA-DRB1 alleles on multiple sclerosis (MS) susceptibility and clinical course have mostly employed the 2-point genotyping method. OBJECTIVE To assess the influence of HLA-DRB1 alleles and allele interactions on disease risk and clinical course in a large West Australian MS patient cohort using high-resolution genotyping. METHODS Four digit HL...
Although extensive HLA-A and HLA-B polymorphism is evident, the true diversity of HLA-C has remained hidden due to poor resolution of HLA-C Ags. To better understand the polymorphic nature of HLA-C molecules, 1823 samples from the National Marrow Donor Program research repository in North America have been typed by DNA sequencing and interpreted in terms of HLA-C diversification. Results show t...
Objective(s): Juvenile idiopathic arthritis (JIA) is one of the most common chronic rheumatic diseases in children. The complex nature of this immune-mediated disease owes itself to several predisposing genes and environmental factors affecting its pathogenesis. Conducted in Iran, this study was originally intended to investigate every possible association between HLA DRB1 alleles and a suscept...
OBJECTIVE To study HLA class I and class II association in Tunisian patients with reactive (ReA) and undifferentiated arthritis (UA). METHODS The study included 17 patients with ReA defined according to the European Spondylarthropathy Study Group criteria for spondylarthropathy (SpA), 11 patients classified as having undifferentiated arthritis and 100 unrelated healthy controls. HLA class I a...
BACKGROUND Despite the importance of the human leukocyte antigen (HLA) gene locus in research and clinical practice, direct HLA typing is laborious and expensive. Furthermore, the analysis requires specialized software and expertise which are unavailable in most developing country settings. Recently, in silico methods have been developed for predicting HLA alleles using single nucleotide polymo...
background: hla-b*27 is strongly associated with ankylosing spondylitis (as). it represents a family of alleles that differ among ethnic groups. objective: the aim of this study was to determine the distribution of hla-b*27 alleles in as patients and healthy controls in isfahan (iran). methods: sixty as patients and 430 healthy blood donors were selected. all subjects were hla-b*27 positive by ...
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