The levels of TGF-β1, TGF-βR1, α-SMA, collagen I, and CTGF were obviously increased (P < 0.01), while PPAR-γ was obviously decreased (P < 0.01) in the PCOS group in comparison with the control group (Figure 9). This evidence concerns the gene TGFBR1 and polycystic ovary syndrome.