The expression levels of Adra2a (Figure 2(c)), Col5a3, and Doc2b genes of T2D ASCs were significantly higher than C57BL/6 ASCs, and the gene expression levels of Rarb, Efemp1, Prelp, Afap1l2, Col12a1, Nid2, Npy, and Tcf21 were significantly lower in T2D ASCs than C57BL/6 ASCs (Figure 3(b)). The gene discussed is TCF21; the disease is type 2 diabetes mellitus.