نتایج جستجو برای: hla dqb
تعداد نتایج: 40094 فیلتر نتایج به سال:
Since an association between the human leukocyte antigen (HLA) region and Hodgkin lymphoma (HL) was first reported in 1967, many studies have reported associations between HL risk and both single nucleotide polymorphism (SNP) and classic HLA allele variation in the major histocompatibility complex. However, population stratification and the extent and complexity of linkage disequilibrium within...
Recurrent aphthous stomatitis (RAS) is known as the most common chronic disease of the oral cavity, which affects a range of 5-25% of the population. RAS appears to be associated with some human leukocyte antigen (HLA) class II alleles and haplotypes. This study attempts to survey the distribution of HLA-DRB and -DQB alleles among Iranian RAS patients and healthy controls. In order to evaluate ...
Class II genes of the human major histocompatibility complex (MHC) are highly polymorphic. Allelic variation of structural genes provides diversity in immune cell interactions, contributing to the formation of the T cell repertoire and to susceptibility to certain autoimmune diseases. We now report that allelic polymorphism also exists in the promoter and upstream regulatory regions (URR) of hu...
objective: survey of the influence of hla-drb1, -dqb1 alleles, genotypes and haplotypes on age at onset of type 1 diabetes (t1d) in an iranian population materials and methods: 105 iranian t1d patients of different ethnic group and 100 ethnically, age and sex matched individuals were selected from tehran's hospitals and hla-drb, -dqb typing was performed. according to the age at onset of t1d, ...
Toluene diisocyanate (TDI) is the most common cause of occupational asthma in western countries. The aim of this study was to investigate whether genetic factors are involved in toluene diisocyanate-induced asthma. We studied the frequency of human leucocyte antigen (HLA) class II genetic markers in three groups of subjects: 1) subjects with TDI-induced asthma (n = 30); 2) exposed subjects with...
Complement C3 and C4 play key roles in the main physiological activities of complement system, and their deficiencies or over-expression are associated with many clinical infectious or immunity diseases. A two-stage genome-wide association study (GWAS) was performed for serum levels of C3 and C4. The first stage was conducted in 1,999 healthy Chinese men, and the second stage was performed in a...
We attempted to study the role of HLA HLA-A, B, DRB1 and DQB1 in HIV-1 patient’s co infected with pulmonary tuberculosis (PTB). A total of 102 HIV-1+ patients co-infected with pulmonary tuberculosis and 200 healthy controls were included in HLA analysis. HLA-A*, HLA-B* HLA-DRB1* and DQB1* typing was done molecularly by PCRSSOP (Polymerase Chain reaction-Sequence Specific Oligonucleotide Probing...
BACKGROUND/AIMS This study was aimed to determine whether host-dependent genetic factors modulate the outcome of HCV infection. METHODS HLA class II DRB and DQB typing was performed in 184 infected patients and 200 healthy volunteers. Among the patients, 149 subjects had persistent HCV viremia (Group 1) and 35 subjects underwent spontaneous viral clearance (Group 2). Group 1 included cirrhoti...
Occupational asthma HLA locus Antigen presentation Genetics Corresponsence to: Dr. L. M. Fabbri, Laboratorio di Fisiopatologia Sperimentale, Università di Ferrara, Via Luigi Borsari 46, l–44100 Ferrara (Italy) Exposure to toluene diisocyanate (TDI) is associated with a variety of chronic disorders of the lung, including asthma [1]. TDI-induced asthma has been the most common cause of occupation...
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