TLR4 and polycystic ovary syndrome: Therefore, in order to determine whether MOL could be anti‐inflammatory in PCOS‐like model rats, we detect the expression of TLR4 on ovary and colon tissues, founding that the expression of TLR4 was higher in LET‐induced PCOS‐like rats than in normal group rats (Figure 14a,a1,b,b1).