Coordinated protein sorting, targeting and distribution in polarized cells.

Coordinated protein sorting, targeting and distribution in polarized cells.
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DOI:
10.1038/nrm2525
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发表时间:
2008-11
期刊:
Nature reviews. Molecular cell biology
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--
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其他
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The polarized distribution of functions in polarized cells requires the coordinated interaction of three machineries that modify the basic mechanisms of intracellular protein trafficking and distribution. First, intrinsic protein-sorting signals and cellular decoding machineries regulate protein trafficking to plasma membrane domains; second, intracellular signalling complexes define the plasma membrane domains to which proteins are delivered; and third, proteins that are involved in cell–cell and cell–substrate adhesion orientate the three-dimensional distribution of intracellular signalling complexes and, accordingly, the direction of membrane traffic. The integration of these mechanisms into a complex and dynamic network is crucial for normal tissue function and is often defective in disease states.
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