PCDH9 and type 2 diabetes mellitus: In silico analysis with bioinformatics database support (DAVID gene functional classification tool) showed that 18 out of 131 coding genes have been previously involved in type 2 diabetes pathogenesis (underlined in Table 2): TBX5, COL4A5, PITX2, FOXP2, SKAP2, ADRB1, VEGFC, PCDH9 were up-regulated in the abdominal depot, while CYP19A1, IGF2, PCK1, TNNT3, TBC1D1, BDKRB2, TAGLN, DES, TGFBI, NMT2 were up-regulated in gluteal adipose tissue.