MUC21 and type 1 diabetes mellitus: Interestingly, nine genes, DDR1, BAG6, SLC44A4, EHMT2, FLOT1, HLA-DPB1, LY6G6C, VARS2, and MUC21, were enriched in Type 1 diabetes mellitus which is a very common endocrine disorder in Schnauzers [35].