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Influence of MHCIITA rs3087456 and rs4774 polymorphisms in the susceptibility to cardiovascular disease of patients with rheumatoid arthritis

Abstract: Objectives: MHCIITA is a major regulator of MHC expression that has been reported to be involved in the susceptibility to rheumatoid arthritis (RA) and myocardial infarction. In this study we investigated the potential association of two MHCIITA gene polymorphisms with cardiovascular (CV) risk in patients with RA. Methods: 1302 patients fulfilling the 1987 ACR classification criteria for RA were genotyped for the MHCIITA rs3087456 and rs4774 gene polymorphisms to determine the influence of MHCIITA variants in the development of CV events. The potential influence of these polymorphisms in the development of subclinical atherosclerosis was also analysed in a subgroup of patients with no history of CV events by the assessment of two surrogate markers of atherosclerosis; brachial and carotid ultrasonography to determine endothelial function and carotid artery intima-media thickness, respectively. Results: No statistically significant differences in the allele or genotype frequencies for each individual MHCIITA gene polymorphism between RA patients who experienced CV events, or not, were found. This was also the case when each polymorphism was assessed according to results obtained from surrogate markers of atherosclerosis. Also, in assessing the combined influence of both MHCIITA gene polymorphisms in the risk of CV disease after adjustment for gender, age at time of disease diagnosis, follow-up time, traditional CV risk factors, and shared epitope status, patients with CV events only showed a marginally decreased frequency of the MHCIITA rs3087456-rs4774 G-G allele combination (p=0.08; odds ratio: 0.63 [95% confidence interval: 0.37-1.05]). Conclusions: Our data do not support an influence of MHCIITA rs3087456 and rs4774 polymorphisms in the increased risk of CV events of patients with RA.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Autoría: García-Bermúdez M., González-Juanatey C., Lopez-Mejias R., Rodriguez-Rodriguez L., Pérez-Esteban S., Castañeda S., Urcelay E., Miranda-Filloy J.A., Gómez-Vaquero C., Fernández-Gutierrez B., Balsa A., González-Alvaro I., Blanco R., Llorca J., Martín J., González-Gay M.A.,

 Fuente: Clinical and Experimental Rheumatology, 2012, 30 (1), 51-57

Editorial: Clinical and Experimental Rheumatology

 Año de publicación: 2012

Nº de páginas: 7

Tipo de publicación: Artículo de Revista

 DOI: 10.1136/annrheumdis-2012-eular.22

ISSN: 0392-856X,1593-098X

Autores/as

GARCÍA-BERMÚDEZ, M.

GONZÁLEZ-JUANATEY, C.

RAQUEL LOPEZ MEJIAS

RODRÍGUEZ-RODRÍGUEZ, L.

PÉREZ-ESTEBAN, S.

CASTAÑEDA, S.

URCELAY, E.

MIRANDA-FILLOY, J. A.

GÓMEZ-VAQUERO, C.

FERNÁNDEZ-GUTIÉRREZ, B.

BALSA, A.

GONZÁLEZ-ÁLVARO, I.

FRANCISCO JAVIER LLORCA DIAZ