Berberine reduces ischemia/reperfusion-induced myocardial apoptosis via activating AMPK and PI3K–Akt signaling in diabetic rats - Chen, Keke; Li, Guohua; Geng, Fenghao; Zhang, Zhao; Li, Jiani; Yang, Min; Dong, Ling; Gao, Feng (Apoptosis: An International Journal on Programmed Cell Death, 2014)