RT Journal Article SR Electronic T1 Role of BANK1 Gene Polymorphisms in Biopsy-proven Giant Cell Arteritis JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1502 OP 1504 DO 10.3899/jrheum.100016 VO 37 IS 7 A1 ORLANDO TORRES A1 ROGELIO PALOMINO-MORALES A1 SANTOS CASTAÑEDA A1 TOMAS R. VAZQUEZ-RODRIGUEZ A1 INMACULADA C. MORADO A1 JOSE A. MIRANDA-FILLOY A1 ENCARNACION AMIGO-DIAZ A1 ESTHER F. VICENTE A1 NORBERTO ORTEGO-CENTENO A1 BENJAMIN FERNANDEZ-GUTIERREZ A1 JAVIER MARTIN A1 MIGUEL A. GONZALEZ-GAY YR 2010 UL http://www.jrheum.org/content/37/7/1502.abstract AB Objective. Giant cell arteritis (GCA) is a complex polygenic disease in which more than 1 genetic locus is likely to contribute to disease susceptibility and clinical expression. BANK, an adaptor molecule, has been suggested to participate in the B cell antigen receptors-mediated calcium homeostasis. We assessed for the first time the implication of BANK1 functional variants in susceptibility to GCA. Methods. Two hundred twenty-two patients with biopsy-proven GCA and 534 matched controls were assessed. DNA from patients and controls was obtained from peripheral blood. Samples were genotyped for 3 putative functional BANK1 gene polymorphisms (rs17266594 T/C, rs10516487 G/A, rs3733197 G/A) using a TaqMan allele discrimination assay. Results. No significant differences were observed in genotype distribution between patients with biopsy-proven GCA and controls for these 3 gene polymorphisms. A trend for a decreased risk of having GCA was observed in individuals carrying the BANK1 rs3733197 GG genotype (patients with GCA 43.9% compared to 51.6% in controls; p = 0.06, OR 0.73, 95% CI 0.53–1.02). The frequency of BANK1 rs3733197 allele G was marginally decreased in patients with biopsy-proven GCA compared to controls (p = 0.09, OR 0.82, 95% CI 0.64–1.04). Haplotype analysis of 3-single-nucleotide polymorphisms found no statistically significant differences between patients with GCA and controls. No significant differences for the BANK1 gene polymorphisms were found when patients were stratified according to specific clinical features of the disease. Conclusion. Our results do not support a major implication of the BANK1 locus in susceptibility to GCA.