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Mediators of Inflammation
Volume 2014, Article ID 756279, 6 pages
Research Article

Lack of Association between ABO, PPAP2B, ADAMST7, PIK3CG, and EDNRA and Carotid Intima-Media Thickness, Carotid Plaques, and Cardiovascular Disease in Patients with Rheumatoid Arthritis

1Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Rheumatology Division, IDIVAL, Avenida Cardenal Herrera Oria s/n, 39011 Santander, Spain
2Institute of Parasitología and Biomedicina López-Neyra, IPBLN-CSIC, Parque Tecnológico de Ciencias de la Salud, Avenida del Conocimiento s/n, Armilla, 18100 Granada, Spain
3Department of Rheumatology, Hospital Universitario la Princesa, IIS-Princesa, Diego de León 62, 28006 Madrid, Spain
4Department of Epidemiology and Computational Biology, School of Medicine, University of Cantabria, and CIBER Epidemiología y Salud Pública (CIBERESP), IDIVAL, Avenida Cardenal Herrera Oria s/n, 39011 Santander, Spain
5Cardiology Division, Hospital Universitario Lucus Augusti, Doctor Ochoa s/n, 27004 Lugo, Spain
6Department of Rheumatology, Hospital Universitario Lucus Augusti, Doctor Ochoa s/n, 27004 Lugo, Spain
7Department of Rheumatology, Hospital Universitario Bellvitge, Feixa Llarga s/n, 08907 Barcelona, Spain
8Department of Rheumatology, Hospital Clínico San Carlos, Profesor Martín Lagos s/n, 28040 Madrid, Spain
9Department of Rheumatology, Hospital Universitario La Paz, Paseo de la Castellana 261, 28046 Madrid, Spain
10Department of Rheumatology, Hospital General Universitario Gregorio Marañón, Doctor Esquerdo 46, 28007 Madrid, Spain
11Department of Rheumatology, Hospital Universitario 12 de Octubre, Avenida de Córdoba s/n, 28041 Madrid, Spain

Received 13 February 2014; Accepted 1 March 2014; Published 25 March 2014

Academic Editor: Nina Ivanovska

Copyright © 2014 Raquel López-Mejías et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Introduction. Rheumatoid arthritis (RA) is a polygenic disease associated with accelerated atherosclerosis and increased cardiovascular (CV) mortality. Recent studies have identified the ABO rs579459, PPAP2B rs17114036, and ADAMTS7 rs3825807 polymorphisms as genetic variants associated with coronary artery disease and the PIK3CG rs17398575 and EDNRA rs1878406 polymorphisms as the most significant signals related to the presence of carotid plaque in nonrheumatic Caucasian individuals. Accordingly, we evaluated the potential relationship between these 5 polymorphisms and subclinical atherosclerosis (assessed by carotid intima-media thickness (cIMT) and presence/absence of carotid plaques) and CV disease in RA. Material and Methods. 2140 Spanish RA patients were genotyped for the 5 polymorphisms by TaqMan assays. Subclinical atherosclerosis was evaluated in 620 of these patients by carotid ultrasonography technology. Results. No statistically significant differences were found when each polymorphism was assessed according to cIMT values and presence/absence of carotid plaques in RA, after adjusting the results for potential confounders. Moreover, no significant differences were obtained when RA patients were stratified according to the presence/absence of CV disease after adjusting for potential confounders. Conclusion. Our results do not confirm association between ABO rs579459, PPAP2B rs17114036, ADAMTS7 rs3825807, PIK3CG rs17398575, and EDNRA rs1878406 and subclinical atherosclerosis and CV disease in RA.