Objective To investigate the effect of arecoline on insulin secretion and the mRNA expression of pancreas-duodenum homeobox-1(PDX-1) in β cells in rats with Type 2 diabetes meilitus.Methods Wistar rats were fed with high-fructose diet for 12 weeks to induce Type 2 diabetes meilitus.Forty Wistar rats were randomly divided into 5 groups: a control group;a diabetic group;and a low(1 mg/kg),medium(5 mg/kg),or high(10 mg/kg) dose of arecoline groups.Fasting blood glucose(FBG),triglyeride(TG),total cholesterol(TC),high density lipopro...