Journal
BIOCHEMICAL SOCIETY TRANSACTIONS
Volume 39, Issue -, Pages 541-546Publisher
PORTLAND PRESS LTD
DOI: 10.1042/BST0390541
Keywords
a disintegrin and metalloproteinase (ADAM); regulated intramembrane proteolysis (RIP); gamma-secretase; shedding; tetraspanin
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TEMs (tetraspanin-enriched microdomains) are specialized platforms in the plasma membrane that include adhesion receptors and enzymes. Insertion into TEMs dictates the local concentration of these molecules, regulates their internalization rate, their interaction and cross-talk with other receptors at the plasma membrane and provides links with certain signalling pathways. We focus on the associations described for tetraspanins with membrane proteases and their substrates, reviewing the emerging evidence in the literature that suggests that TEMs might be essential platforms for regulating protein shedding, RIP (regulated intramembrane proteolysis) and matrix degradation and assembly.
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