PPARG and gestational diabetes: We found higher mRNA expression of glucose transporter-1 (GLUT1), insulin receptor-β (IR-B) and peroxisome proliferators activated receptor-γ (PPAR-γ) (all P < 0.05, Figures 3A, C, D) in the vWAT of the GDM-resistance group when compared with that in the NGT group.