TRANSPORT PROTEIN TRAFFICKING IN POLARIZED CELLS

In order to carry out their physiological functions, ion transport proteins must be targeted to the appropriate domains of cell membranes. Regulation of ion transport activity frequently involves the tightly controlled delivery of intracellular populations of transport proteins to the plasma membran...

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Bibliographic Details
Published in:Annual review of cell and developmental biology 2003-01, Vol.19 (1), p.333-366
Main Authors: Muth, Theodore R, Caplan, Michael J
Format: Article
Language:English
Subjects:
Animals
Carrier Proteins - metabolism
Cell Membrane - metabolism
Cell Polarity - physiology
channel
Epithelial Cells - metabolism
Humans
Ion Channels - metabolism
Ion Pumps - metabolism
polarity
Protein Transport - physiology
pump
Signal Transduction - physiology
sorting
transporter
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Summary:In order to carry out their physiological functions, ion transport proteins must be targeted to the appropriate domains of cell membranes. Regulation of ion transport activity frequently involves the tightly controlled delivery of intracellular populations of transport proteins to the plasma membrane or the endocytic retrieval of transport proteins from the cell surface. Transport proteins carry signals embedded within their structures that specify their subcellular distributions and endow them with the capacity to participate in regulated membrane trafficking processes. Recently, a great deal has been learned about the biochemical nature of these signals, as well as about the cellular machinery that interprets them and acts upon their messages.
ISSN:1081-0706
1530-8995
DOI:10.1146/annurev.cellbio.19.110701.161425