NCAM1 and type 2 diabetes mellitus: To evaluate potential alterations in CD3+CD56+ NKT-like cell abundance and function in T2DM patents, we recruited 54 patients who have been diagnosed as T2DM for about 10 years and 33 age- and sex-matched healthy controls (HC) and analyzed the frequency and absolute count of NKT-like cells in peripheral blood (Table 1).