AMPK mediates autophagy during myocardial ischemia in vivo

被引:148
作者
Takagi, Hiromitsu
Matsui, Yutaka
Hirotani, Shinichi
Sakoda, Hideyuki
Asano, Tomoichiro
Sadoshima, Junichi
机构
[1] Univ Med & Dent New Jersey, New Jersey Med Sch, Cardiovasc Res Inst, Dept Cell Biol & Mol Med, Newark, NJ 07103 USA
[2] Univ Tokyo, Grad Sch Med, Dept Internal Med, Tokyo, Japan
[3] Hiroshima Univ, Div Mol Med Sci, Hiroshima, Japan
关键词
ischemia; reperfusion; AMPK; autophagy; heart; beclin1;
D O I
10.4161/auto.4281
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
We have recently shown that autophagy is induced by ischemia and reperfusion in the mouse heart in vivo. Ischemia stimulates autophagy through an AMP activated protein kinase (AMPK)-dependent mechanism whereas reperfusion after ischemia stimulates autophagy through a Beclin 1-dependent, but AMPK-independent, mechanism. Autophagy plays distinct roles during ischemia and reperfusion: autophagy may be protective during ischemia, whereas it may be detrimental during reperfusion. We will discuss the role of AMPK in mediating autophagy during myocardial ischemia in vivo.
引用
收藏
页码:405 / 407
页数:3
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