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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
2004-10-26
pubmed:abstractText
Hepatocyte nuclear factor (HNF)-4alpha is part of a transcription factor network that is key for the development and function of the beta-cell. Rare mutations in the HNF4alpha gene cause maturity-onset diabetes of the young. A number of type 2 diabetes linkage studies have found evidence of linkage to 20q12-13.1 where the HNF4alpha gene is located. Two recent studies have found an association between four common variants of the alternative P2 promoter region and type 2 diabetes. These variants are in strong linkage disequilibrium, and the minor alleles define one common risk haplotype. In both studies, the risk haplotype explained a large proportion of the evidence of linkage to 20q12-13.1. We aimed to assess this haplotype in a U.K. Caucasian study of 5,256 subjects. We typed two single nucleotide polymorphisms tagging the risk haplotype (rs4810424 and rs2144908) and found evidence of association in both case-control and family-based studies; rs4810424 marginally demonstrated the stronger association with an overall estimated odds ratio of 1.15 (95% CI 1.02-1.33) (P = 0.02). The effect of the P2 haplotype on type 2 diabetes risk is less than in the initial studies, probably reflecting that these studies used 20q12-13.1-linked cases. In conclusion, we have replicated the association of the HNF4alpha P2 promoter haplotype with type 2 diabetes in a U.K. Caucasian population where there is no evidence of linkage to 20q.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
AIM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0012-1797
pubmed:author
pubmed:issnType
Print
pubmed:volume
53
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
3002-6
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed-meshheading:15504983-Adult, pubmed-meshheading:15504983-Age of Onset, pubmed-meshheading:15504983-Chromosomes, Human, Pair 20, pubmed-meshheading:15504983-DNA-Binding Proteins, pubmed-meshheading:15504983-Diabetes Mellitus, Type 2, pubmed-meshheading:15504983-Female, pubmed-meshheading:15504983-Genetic Variation, pubmed-meshheading:15504983-Genotype, pubmed-meshheading:15504983-Great Britain, pubmed-meshheading:15504983-Hepatocyte Nuclear Factor 4, pubmed-meshheading:15504983-Heterozygote Detection, pubmed-meshheading:15504983-Humans, pubmed-meshheading:15504983-Linkage Disequilibrium, pubmed-meshheading:15504983-Male, pubmed-meshheading:15504983-Middle Aged, pubmed-meshheading:15504983-Phosphoproteins, pubmed-meshheading:15504983-Promoter Regions, Genetic, pubmed-meshheading:15504983-Reference Values, pubmed-meshheading:15504983-Transcription Factors
pubmed:year
2004
pubmed:articleTitle
Common variants of the hepatocyte nuclear factor-4alpha P2 promoter are associated with type 2 diabetes in the U.K. population.
pubmed:affiliation
Department of Diabetes Research & Vascular Medicine, Peninsula Medical School, Barrack Road, Exeter, UK.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't