Therefore, the diabetic nephropathy model, as exhibited by weight loss, food intake, water intake, blood glucose, 24 h urine volume, 24 h proteinuria, blood urea nitrogen (BUN), serum creatinine (Src), urine creatinine (Ucr), and blood pressure in Figure 2, had been evaluated at 4 weeks after intraperitoneal injection of STZ. The gene discussed is SRC; the disease is diabetic kidney disease.