PTPRD and type 2 diabetes mellitus: Furthermore, a type 2 diabetes-related CNV (nsv8414) with marginal significance was detected for PTPRD (Yan et al., 2018) and intronic SNP rs17584,499 in the gene significantly associated (p = 8.5×10−10) with the incidence of this disease in the Chinese population (Tsai et al., 2010; Chen et al., 2021b).