FFAR4 and polycystic ovary syndrome: The PCOS-IR+GPR120, PCOS-IR+LrB (40 mg/kg), PCOS-IR+LrB (20 mg/kg), and PCOS-IR+LrB (10 mg/kg) groups had significantly reduced levels of TC, TG, and LDL (Figure 5A,C) and a significantly increased HDL level (Figure 5D) in comparison with the PCOS-IR group.