Revising endosomal trafficking under insulin receptor activation

Iraburu, M.J., Garner, T. and Montiel-Duarte, C. ORCID: 0000-0002-9144-8809, 2021. Revising endosomal trafficking under insulin receptor activation. International Journal of Molecular Sciences, 22 (13): 6978. ISSN 1661-6596

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Abstract

The endocytosis of ligand-bound receptors and their eventual recycling to the plasma membrane (PM) are processes that have an influence on signalling activity and therefore on many cell functions, including migration and proliferation. Like other tyrosine kinase receptors (TKR), the insulin receptor (INSR) has been shown to be endocytosed by clathrin-dependent and -independent mechanisms. Once at the early endosome (EE), the sorting of the receptor, either to the late endosome (LE) for degradation or back to the PM through slow or fast recycling pathways, will determine the intensity and duration of insulin effects. Both the endocytic and the endosomic pathways are regulated by many proteins, the Arf and Rab families of small GTPases being some of the most relevant. Here, we argue for a specific role for the slow recycling route, whilst we review the main molecular mechanisms involved in INSR endocytosis, sorting and recycling, as well as their possible role in cell functions.

Item Type: Journal article
Publication Title: International Journal of Molecular Sciences
Creators: Iraburu, M.J., Garner, T. and Montiel-Duarte, C.
Publisher: MDPI AG
Date: 29 June 2021
Volume: 22
Number: 13
ISSN: 1661-6596
Identifiers:
NumberType
10.3390/ijms22136978DOI
1448761Other
Rights: © 2021 by the authors This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).
Divisions: Schools > School of Science and Technology
Record created by: Jeremy Silvester
Date Added: 02 Jul 2021 15:11
Last Modified: 02 Jul 2021 15:11
URI: http://irep.ntu.ac.uk/id/eprint/43301

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