GSTM1 and anemia: 22-year-old female patient was referred to our center due to renal failure, anemia, and thrombocytopenia with the following blood and urine analysis data: blood: creatinine (Cr) 15.3 mg/dL, urea 314 mg/dL, hemoglobin (Hb) 7.3 g/dL, platelets 36,000/μL, lactate dehydrogenase (LDH) 2,975 IU/L, C3 114 mg/dL, and C4 24.5 mg/dL; urine: protein 600 mg/dL and sediment with 10–30 erythrocytes and 2–4 leukocytes/field.