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Curr Opin Cell Biol. 1991 Aug;3(4):647-53.

Sorting of plasma membrane proteins in epithelial cells.

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  • 1CNRS, Paris, France.

Abstract

Proteins follow two routes to reach the correct surface (apical or basolateral) of a polarized epithelial cell: direct sorting from the trans-Golgi network and transcytosis from early endosomes. Several signals have been identified recently that control these sorting events, namely a glycosyl-phosphatidylinositol anchor for apical targeting, a 14-residue cytoplasmic segment of the polymeric immunoglobulin receptor for basolateral targeting, and phosphorylation of a Ser residue for transcytosis of this receptor. The machinery involved is still poorly understood.

PMID:
1772657
[PubMed - indexed for MEDLINE]
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