Role of the rs 6822844 gene polymorphism at the IL 2-IL 21 region in biopsy-proven giant cell arteritis

1Instituto de Parasitología y Biomedicina López-Neyra, C.S.I.C., Granada; 2Dept. of Rheumatology, Hospital de la Princesa, Madrid; 3Division of Rheumatology, Hospital Xeral-Calde, Lugo; 4Rheumatology Service, Hospital Clínico San Carlos, Madrid; 5Department of Rheumatology, Hospital Universitario de BellvitgeIDIBELL, Barcelona; 6Dept. of Internal Medicine, Corporació Sanitaria Parc Taulí, Instituto Universitario Parc Taulí, UAB, Barcelona; 7Dept. of Internal Medicine, Hospital Clínico San Cecilio, Granada; 8Division of Rheumatology, Hospital Universitario Marques de Valdecilla, IFIMAV, Santander (Cantabria), Spain. Luis Rodríguez-Rodríguez, MD Santos Castañeda, MD, PhD Tomás R. Vázquez-Rodríguez, MD Inmaculada C. Morado, MD Carmen Gómez-Vaquero, MD, PhD Beatriz Marí-Alfonso, MD José A. Miranda-Filloy, MD Javier Narvaez, MD, PhD Norberto Ortego-Centeno, MD, PhD Esther F. Vicente, MD, PhD Ricardo Blanco, MD, PhD Encarnación Amigo-Diaz, MD Benjamín Fernández-Gutiérrez, MD, PhD Javier Martín, MD, PhD Miguel A. González-Gay, MD, PhD *Drs González-Gay and Martín share senior authorship in this study. Please address correspondence and reprint requests to: M.A. González-Gay, PhD MD, Rheumatology Service, Hospital Universitario Marqués de Valdecilla, IFIMAV, Avenida de Valdecilla, s/n, 39008 Santander, Spain. E-mail: miguelaggay@hotmail.com Received on May 31, 2010; accepted in revised form on July 26, 2010. Clin Exp Rheumatol 2011; 29 (Suppl. 64): S12-S16. © Copyright CLINICAL AND EXPERIMENTAL RHEUMATOLOGY 2011.