For the PCOS group, Day 0 glucagon levels were lower than Day 1 levels at 0 (p < 0.01), 15 (p < 0.01), 30 (p < 0.01), 60 (p (0.01), 90 (p < 0.01), and 120 (p < 0.01) min; and Day 0 glucagon levels were lower than Day 7 levels at 0 (p < 0.01), 15 (p < 0.01), 30 (p < 0.01), 60 (p < 0.01), 90 (p < 0.01), and 120 (p < 0.01) min. The gene discussed is GCG; the disease is polycystic ovary syndrome.