Among the 36 cases (55.4%) of PLA2R positive MN, 26 cases (72.2%) were primary MN, and 10 (27.8%) cases were secondary MN, of which four (40%) were cases of type 2 diabetes mellitus and hypertension, and six (60%) cases had an intake of alternative medications or NSAIDs. This evidence concerns the gene PLA2R1 and diabetes mellitus.