RA - rheumatoid arthritis; BMI - body mass index; DAS: - disease activity score; CBC - complete blood count; FBS - fasting blood glucose; HA1C - hemoglobin A1C (glycated hemoglobin); TSH - thyroid-stimulating hormone; CRP - C-reactive protein; ESR - erythrocyte sedimentation rate; RF - rheumatoid factor; Aanti-CCP - anti-cyclic citrullinated peptide. The gene discussed is CRP; the disease is rheumatoid arthritis.