MASP2 and diabetic kidney disease: Other potential biomarkers for diabetic nephropathy include miR-21-5p [51], miR-15b, miR-34a, miR-636 [52], MASP2, CALB1 [53], myeloblastin, elafin, cystatin B, and neutrophil gelatinase-associated lipocalin [54], all of which increase in the presence of the condition.