In the animal model of diabetes, the kidney/body weight, levels of blood glucose and serum bilirubin, and urine albumin-creatinine ratio (UACR) had significantly increased, these factors, especially UACR and bilirubin, showing overall improvements with mPTD-BMP7 treatment (P<0.05; Table 3). The gene discussed is BMP7; the disease is diabetes mellitus.