Caveolins: targeting pro-survival signaling in the heart and brain.

Caveolins: targeting pro-survival signaling in the heart and brain.
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DOI:
10.3389/fphys.2012.00393
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发表时间:
2012
影响因子:
4
通讯作者:
Roth DM
Roth DM
中科院分区:
医学2区
文献类型:
--
作者:
Stary CM;Tsutsumi YM;Patel PM;Head BP;Patel HH;Roth DM

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本综述讨论了细胞内信号部分特定的膜脂筏(MLRs)和支架蛋白小窝蛋白,并介绍了目前的数据,促进其潜在的作用,在治疗心脏和大脑的病理。MLR是富含鞘糖脂和胆固醇的质膜的离散微区,其浓缩和定位信号分子。小窝蛋白对于MLR的形成是必需的,并且负责通过支架化和富集紧密接近的许多信号传导部分来协调信号传导事件。特别是在心脏和大脑中,小窝蛋白是必要的细胞保护现象称为缺血和麻醉预处理。在心脏和大脑中靶向过表达小窝蛋白导致诱导多种促存活和促生长信号通路;因此,小窝蛋白代表心脏和神经病理学的潜在新治疗靶标。
The present review discusses intracellular signaling moieties specific to membrane lipid rafts (MLRs) and the scaffolding proteins caveolin and introduces current data promoting their potential role in the treatment of pathologies of the heart and brain. MLRs are discreet microdomains of the plasma membrane enriched in gylcosphingolipids and cholesterol that concentrate and localize signaling molecules. Caveolin proteins are necessary for the formation of MLRs, and are responsible for coordinating signaling events by scaffolding and enriching numerous signaling moieties in close proximity. Specifically in the heart and brain, caveolins are necessary for the cytoprotective phenomenon termed ischemic and anesthetic preconditioning. Targeted overexpression of caveolin in the heart and brain leads to induction of multiple pro-survival and pro-growth signaling pathways; thus, caveolins represent a potential novel therapeutic target for cardiac and neurological pathologies.
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