Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0011854 (type 1 diabetes)
 20,749 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Type 1 diabetes is a multifactorial disease in which the genes of the major histocompatibility complex (MHC) play a key role. Recently, non-human leukocyte antigen (non-HLA) genes in the class III region of this complex have been presumed to be associated with type 1 diabetes by linkage analyses. We investigated the possibility of the inhibitor of kappaB-like (IKBL, also known as 'NFKBIL1') gene as one of these candidates. We carried out a case-control study of 124 patients with type 1 diabetes and 330 healthy control subjects. The haplotypes of the IKBL promoter, i.e., PA (-263A, -63T), PB (-263A, -63A), PC (-263G, -63T), were assigned by the single-nucleotide polymorphisms at positions -263 and -63 from the transcription start site. The frequency of the wild-type haplotype, PA, was elevated, while that of the variant-type haplotype, PC, was lower in patients than controls. In two-locus analyses with HLA-DRB1 alleles, the PA haplotype showed linkage disequilibrium with the DRB1*0405 allele and the PC haplotype with the DRB1*1502 allele. A notable observation was that the PC haplotype was significantly associated with protection in the DRB1*1502-negative population. Our study indicates the first evidence of a possible independent association between type 1 diabetes and polymorphisms in the promoter of the IKBL gene.
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PMID:IKBL promoter polymorphism is strongly associated with resistance to type 1 diabetes in Japanese. 1498 11