ATP6AP2 and diabetic kidney disease: Additionally, PRR expression was correlated with clinical indexes of patients, including: estimated glomerular filtration rate (eGFR) (Fig. 1C), blood urea nitrogen (BUN) (Fig. 1D), urine albuminuria creatinine ratio (UACR) (Fig. 1E) and Hemoglobin A1c (HbA1c) (Fig. 1F) suggesting the potential involvement of PRR in DKD.