Emerging roles of recycling endosomes

Cells internalize extracellular solutes, ligands and proteins and lipids in the plasma membrane (PM) by endocytosis. The removal of membrane from the PM is counteracted by endosomal recycling pathways that return the endocytosed proteins and lipids back to the PM. Recycling to the PM can occur from...

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Bibliographic Details
Published inJournal of biochemistry (Tokyo) Vol. 153; no. 6; pp. 505 - 510
Main Author Taguchi, Tomohiko
Format Journal Article
LanguageEnglish
Published England 01.06.2013
Subjects
Animals
Cell Membrane - metabolism
Endocytosis
Endosomes - metabolism
Humans
Hydrogen-Ion Concentration
Models, Biological
recycling endosomes
phosphatidylserine
endocytosis
exocytosis
retrograde transport
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Summary:Cells internalize extracellular solutes, ligands and proteins and lipids in the plasma membrane (PM) by endocytosis. The removal of membrane from the PM is counteracted by endosomal recycling pathways that return the endocytosed proteins and lipids back to the PM. Recycling to the PM can occur from early endosomes. However, many cells have a distinct subpopulation of endosomes that have a mildly acidic pH of 6.5 and are involved in the endosomal recycling. These endosomes are dubbed recycling endosomes (REs). In recent years, studies have begun to reveal that function of REs is not limited to the endosomal recycling. In this review, I summarize the nature of membrane trafficking pathways that pass through REs and the cell biological roles of these pathways.
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ISSN:0021-924X
1756-2651
DOI:10.1093/jb/mvt034