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Trends Cell Biol. 2013 Nov;23(11):522-8. doi: 10.1016/j.tcb.2013.04.010. Epub 2013 May 28.

Retromer-mediated endosomal protein sorting: all WASHed up!

Author information

1
Cambridge Institute for Medical Research, Wellcome Trust/MRC Building, Addenbrooke's Hospital, Cambridge CB2 0XY, UK. Electronic address: mnjs100@cam.ac.uk.

Abstract

Endosomal protein sorting governs the fate of many physiologically important proteins involved in a panoply of cellular functions. Recent discoveries have revealed a vital role for endosomally localised branched actin patches in facilitating protein sorting. The formation of the actin patches has been shown to require the function of the WASH complex - the major endosomal actin polymerisation-promoting complex - which stimulates the activity of the ubiquitously expressed Arp2/3 complex. Another key component of the endosomal protein-sorting machinery is the retromer complex. Studies now show that retromer mediates the recruitment of the WASH complex and its regulators to endosomes. In this review, recent progress in understanding the role of the WASH complex along with retromer in endosomal protein sorting is discussed.

KEYWORDS:

Fam21; WASH complex; actin; endosome; retromer; sorting

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PMID:
23721880
PMCID:
PMC3924425
DOI:
10.1016/j.tcb.2013.04.010
[Indexed for MEDLINE]
Free PMC Article

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