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KMID : 1132720110090030121
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Genomics & Informatics
2011 Volume.9 No. 3 p.121 ~ p.126
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Genome-wide Association Study Identified TIMP2 Genetic Variant with Susceptibility to Osteoarthritis
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Keam Bhum-Suk
Hwang Joo-Yeon
Go Min-Jin
Heo Jee-Yeon
Park Mi-Sun
Lee Ji-Young
Kim Nam-Hee
Park Miey
Oh Ji-Hee
Kim Dong-Hyun
Jeong Jin-Young
Lee Jong-Young
Han Bok-Ghee
Lee Ju-Young
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Abstract
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Osteoarthritis (OA) is the most common degenerative joint disorder in the elderly population. To identify OA-associated genetic variants and candidate genes, we conducted a genome-wide association study (GWAS). A total 3,793 samples (476 cases: wrist + knee and 3317 controls) from a community-based epidemiological study were genotyped using the Affymetrix SNP 5.0. An intronic SNP (rs4789934) in the TIMP2 (tissue inhibitor of metalloproteinase-2) showed the most significance with OA (odd ratio [OR] = 2.06, 95% confidence interval [CI] = 1.52-2.81, p = 4.01 x 10(-6)). Furthermore, a polymorphism (rs1352677) in the NKAIN2 (Na+/K+ transporting ATPase interacting 2) was suggestively associated with OA (OR = 1.43, CI = 1.22-1.66, p = 7.01 x 10(-6)). The present study provides new insights into the identification of genetic predisposing factors for OA.
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KEYWORD
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genome-wide association study, osteoarthritis, polymorphism, TIMP2
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