Fig. 2From: Urinary dipeptidyl peptidase-4 is a useful marker for tubulitis, and it is released from the tubular cells of kidney transplant recipientsActivity and concentration of DPP-4 in serum and urine samples with or without DPP-4 inhibitors. Comparisons between a serum and b urinary DPP-4 activity ratios with and without DPP-4 inhibitor. Comparisons between c serum and d urinary DPP-4 concentrations with and without DPP-4 inhibitorBack to article page