Blood tests included total cholesterol, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, homocysteine, creatinine, acid uric, glucose lymphocytes, C-reactive protein (CRP), erythrocyte sedimentation rate (ESR), fibrinogen and lupus serology (anti-DNA antibodies, complement). The gene discussed is CRP; the disease is systemic lupus erythematosus.