نتایج جستجو برای: dqb1
تعداد نتایج: 1323 فیلتر نتایج به سال:
26 Background. The frequency of autoantibodies against glutamic acid decarboxylase-65 27 (GAD65), and ICA512/IA2 (IA2) are a function of the specific human leukocyte antigen 28 (HLA) in type 1 diabetes mellitus (T1D). We investigated the association of HLA class II 29 (DR, DQ) alleles and haplotypes with the presence of GAD and IA-2 autoantibodies in T1D. 30 Methods. Autoantibodies were tested ...
Occupational asthma caused by western red cedar is a common problem in sawmill industries. The objective of this study was to examine a possible association of human leukocyte antigen (HLA) class II genetic markers with susceptibility or resistance to western red cedar induced asthma. The distribution of DRB1 and DQB1 HLA class II alleles and DRB1-DQB1 haplotypes was studied in 56 Caucasian pat...
Objective: To define the prevalence of auto antibodies (Ab) to different organs in young patients with type 1 diabetes (type 1DM). Methods: Ab to thyroid, celiac and adrenal disease was analyzed in 831 type 1 DM patients. Results: Hundred twenty-three (14.8%) had positive thyroid Ab. The risk of developing thyroid Ab was increased in girls (HR 2.3; 95% CI 1.6 3.2, p < 0.0001). Thirty-three (3.9...
HLA class-I and class-II allele frequencies and two-locus haplotypes were examined in 367 unrelated Melanesians living on the islands of Vanuatu and New Caledonia. Diversity at all HLA class-I and class-II loci was relatively limited. In class-I loci, three HLA-A allelic groups (HLA-A*24, HLA-A*34 and HLA-A*11), seven HLA-B alleles or allelic groups (HLA-B*1506, HLA-B*5602, HLA-B*13, HLA-B*5601...
HLA DQB1*0602 is found in most individuals with hypocretin-deficient narcolepsy, a disorder characterized by a severe disruption of sleep and wake. Population studies indicate that DQB1*0602 may also be associated with normal phenotypic variation of rapid eye movement (REM) sleep. Disruption of REM sleep has been linked to specific symptoms of insomnia. We here examine the relationship of sleep...
UNLABELLED Aims/Introduction: Fulminant type 1 diabetes is a subtype of type 1 diabetes characterized by a remarkably abrupt onset of insulin-deficient hyperglycemia within a few days. The aim of the present study was to clarify characteristic class II HLA genotypes in a large number of patients with fulminant type 1 diabetes to date. MATERIALS AND METHODS We analyzed the HLA-DRB1 and DQB1...
The aim of this study was to examine frequencies and haplotypic associations of HLA class II alleles in autochthonous population of Gorski kotar (Croatia). HLA-DRB1, -DQA1 and -DQB1 alleles were determined by DNA based PCR typing in 63 unrelated inhabitants from Gorski kotar whose parents and ancestors were born and lived in tested area for at least over four generations. A total of 13 HLA-DRB1...
OBJECTIVES HTLVI-1 is the first human retrovirus with limited endemic regions in the world. The epidemiological studies have shown that the genetic background and immune response to the virus have a significant role in HTLV-I-associated diseases. Among the genes are involved in HTLV-I infection, the role of human leukocytes antigen (HLA) have been studied in different population. In the present...
BACKGROUND Epitopes are the sites to which antibodies bind. Both alpha and beta peptide chains of the human leukocyte antigen-DQ heterodimers (DQA1 and DQB1, respectively) contain polymorphic regions. We can identify DQA1 and DQB1 epitopes by DQ single antigen beads assay of the antibodies, correlating the beads' reaction patterns with either DQA1 or DQB1 alleles. METHODS Sera from 74 transpl...
The contribution of specific HLA Class II alleles in type 1 diabetes is determined by polymorphic amino acid epitopes that direct antigen binding therefore, along with conventional allele frequency analysis, epitope analysis can provide important insights into disease susceptibility. We analyzed the highly heterogeneous Cypriot population for the HLA class II loci of T1DM patients and controls ...
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