نتایج جستجو برای: hla drb1
تعداد نتایج: 40277 فیلتر نتایج به سال:
The purpose of the present study was to investigate polymorphism of HLA class II haplotypic associations (HLA-DRB1, -DQA1, -DQB1) and DQCAR alleles in 78 Croatian patients with psoriasis. Patients were divided into two groups according to a family history of disease and age of onset: type I (positive family history and early onset) and type II (negative family history and late onset). The diffe...
BACKGROUND In this study, we used high-resolution DNA typing to investigate the distribution of HLA alleles and haplotypes in Koreans. METHODS HLA-A, -B, -C, and -DRB1 alleles were genotyped at the allelic (4-digit) level in 474 healthy Koreans. HLA genotyping was performed in two steps. Initially, serologic typing or generic-level DNA typing was performed using the PCR-sequence-specific olig...
the hla class ii genes of human major histocompatibility complex (mhc) exhibit an extensive degree of genetic polymorphism. this region subdivides into four sub-regions dp, do, dq, and dr. there are five different dr haplotypes that all contain a highly polymorphic allele called hla-drb1. in most recent studies, the association between hla-drb1 and a large number of diseases such as multiple sc...
Objective: To evaluate HLA-DM alleles as markers for disease severity in rheumatoid arthritis (RA). Methods: Two distinct cohorts of patients with RA were oligotyped for HLA-DB1 and HLA-DM genes using PCR amplified genomic DNA with sequence specific oligonucleotide probes. Cohort 1 comprised 199 unselected patients with RA (mean (SD) age 45.5 (13.5) years; disease duration 11.9(8.8) years), who...
OBJECTIVES To elucidate the contribution of HLA-DR-DQ haplotypes and their genotypic combinations to susceptibility to rheumatoid arthritis, and to evaluate the various models for HLA associated risk for the disease in a series of Finnish patients. METHODS 322 Finnish patients with rheumatoid arthritis were typed for common north European HLA-DR-DQ haplotypes and compared with a series of 124...
OBJECTIVE The aim of this study was to determine ancestry informative markers, mitochondrial DNA haplogroups, and the association between HLA-DRB1 alleles and multiple sclerosis (MS) in a group of patients from Bogotá, Colombia. METHODS In this case-control study, genomic DNA was isolated and purified from blood samples. HLA-DRB1 allele genotyping was done using PCR. Mitochondrial hypervariab...
Background: Pediatric bronchial asthma is associated with considerable morbidity. The study was carried out to examine the association of Human Leukocyte Antigen (HLA)- Class II with the disease as we found no similar study on Asian Indian population. Objective: To define the HLA-Class II antigens in Asian Indian pediatric patients with asthma. Methods: A total of 103 children with asthma and 1...
109 patients (62 boys/men and 47 girls/women) suffering from bronchial asthma induced by pollen allergens were typed for HLA-DRB1 and -DQBl alleles, respectively, by a low resolution SSP technique. Frequencies of DRB1 alleles varied from 0.5 % to 16.1 %. The most frequent was HLA-DRB1*11 (16.1 %), the least frequent HLA-DRB1*09 (0.4 %). Occurrence rates of HLA-DQB1 alleles ranged from 2.3 % to ...
AIMS Owing to strong linkage disequilibrium between markers, pinpointing disease associations within genetic regions is difficult in European ancestral populations, most notably the very strong association of the HLA-DRB1*03-DQA1*05:01-DQB1*02:01 haplotype with Type 1 diabetes risk, which is assumed to be because of a combination of HLA-DRB1 and HLA-DQB1. In contrast, populations of African anc...
background: the study aimed to examine the association between human leukocyte antigen (hla) class ii allele frequencies and breast cancer in iranian women. methods: a total of 100 patients with pathologically proven breast cancer who referred to cancer institute were randomly selected and compared with a group of age matched healthy blood donors (n = 80). hla class ii alleles were determined b...
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