PT - JOURNAL ARTICLE AU - ANNU NÄKKI AU - TAPIO VIDEMAN AU - URHO M. KUJALA AU - MATTI SUHONEN AU - MINNA MÄNNIKKÖ AU - LEENA PELTONEN AU - MICHELE C. BATTIÉ AU - JAAKKO KAPRIO AU - JANNA SAARELA TI - Candidate Gene Association Study of Magnetic Resonance Imaging-based Hip Osteoarthritis (OA): Evidence for <em>COL9A2</em> Gene as a Common Predisposing Factor for Hip OA and Lumbar Disc Degeneration AID - 10.3899/jrheum.100080 DP - 2011 Apr 01 TA - The Journal of Rheumatology PG - 747--752 VI - 38 IP - 4 4099 - http://www.jrheum.org/content/38/4/747.short 4100 - http://www.jrheum.org/content/38/4/747.full SO - J Rheumatol2011 Apr 01; 38 AB - Objective. To study whether gene variants associated with lumbar disc degeneration (LDD) phenotypes are also associated with hip osteoarthritis (OA). Methods. Magnetic resonance imaging (MRI)-based hip OA changes for 345 twins were assessed and 99 single-nucleotide polymorphisms (SNP) were analyzed. Results. Variants in the COL9A2 (rs7533552, p = 0.0025) and COL10A1 (rs568725, p = 0.002) genes showed association with hip OA. Conclusion. The associating G allele in COL9A2 changes a glutamine to arginine or to tryptophan and may predispose to both hip OA and LDD, making it a candidate for degenerative connective tissue diseases.