Caveolae create local signalling domains through their distinct protein content, lipid profile and morphology.

Caveolae create local signalling domains through their distinct protein content, lipid profile and morphology.
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DOI:
10.1016/j.yjmcc.2011.07.007
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发表时间:
2012-02
影响因子:
5
通讯作者:
Calaghan SC
Calaghan SC
中科院分区:
医学2区
文献类型:
--
作者:
Harvey RD;Calaghan SC

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Compartmentation of signalling allows multiple stimuli to achieve diverse cellular responses with only a limited pool of second messengers. This spatial control of signalling is achieved, in part, by cellular structures which bring together elements of a particular cascade. One such structure is the caveola, a flask-shaped lipid raft. Caveolae are well-recognised as signalosomes, platforms for assembly of signalling complexes of receptors, effectors and their targets, which can facilitate efficient and specific cellular responses. Here we extend this simple model and present evidence to show how the protein and lipid profiles of caveolae, as well as their characteristic morphology, define their roles in creating local signalling domains in the cardiac myocyte.
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