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Nat Genet. 2007 Apr;39(4):529-33. Epub 2007 Mar 25.

A functional polymorphism in the 5' UTR of GDF5 is associated with susceptibility to osteoarthritis.

Author information

1
Laboratory for Bone and Joint Diseases, SNP Research Center, RIKEN, 4-6-1, Shirokanedai, Minato-ku, Tokyo 108-8639, Japan.

Abstract

Osteoarthritis (MIM 165720), characterized by degeneration of articular cartilage, is the most common form of human arthritis and a major concern for aging societies worldwide. Epidemiological and genetic studies have shown that osteoarthritis is a polygenic disease. Here, we report that the gene encoding growth differentiation factor 5 (GDF5) is associated with osteoarthritis in Asian populations. A SNP in the 5' UTR of GDF5 (+104T/C; rs143383) showed significant association (P = 1.8 x 10(-13)) with hip osteoarthritis in two independent Japanese populations. This association was replicated for knee osteoarthritis in Japanese (P = 0.0021) and Han Chinese (P = 0.00028) populations. This SNP, located in the GDF5 core promoter, exerts allelic differences on transcriptional activity in chondrogenic cells, with the susceptibility allele showing reduced activity. Our findings implicate GDF5 as a susceptibility gene for osteoarthritis and suggest that decreased GDF5 expression is involved in the pathogenesis of osteoarthritis.

PMID:
17384641
DOI:
10.1038/2005
[Indexed for MEDLINE]

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