Association of OPG gene polymorphism with susceptibility to rheumatoid arthrits in Chinese Han

Highlights • The pathogenesis of rheumatoid arthritis is unclear. • To investigate the association of osteoproterin gene polymorphisms. • The OPG gene 163A/G SNP may be associated with RA susceptibility. • G allele of 163A/G SNP may be the risk factor for developing RA.