Involvement of the extracellular matrix and integrin signalling proteins in skeletal muscle glucose uptake

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Draicchio, Fulvia, Tillin, Neale, Hurren, Nicholas M., Behrends, Volker ORCID: https://orcid.org/0000-0003-4855-5497 and mackenzie, richard (2022) Involvement of the extracellular matrix and integrin signalling proteins in skeletal muscle glucose uptake. Journal of Physiology, 600 (20). ISSN 0022-3751

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Abstract

Whole-body euglycaemia is partly maintained by two cellular processes that encourage glucose uptake in skeletal muscle; 1) the insulin- and 2) contraction-stimulated pathways, with research suggesting convergence between these two previously separate processes. The normal structural integrity of the skeletal muscle requires an intact actin cytoskeleton as well as integrin-associated proteins, thus those structures are likely fundamental for effective glucose uptake in skeletal muscle. In contrast, excessive extracellular matrix (ECM) remodelling and integrin expression in skeletal muscle may contribute to insulin resistance owing to an increased physical barrier causing reduced nutrient and hormonal flux. This review paper explores the role of the ECM and the actin cytoskeleton in insulin- and contraction-mediated glucose uptake in skeletal muscle. This is a clinically important area of research given that defects in the structural integrity of the ECM and integrin-associated proteins may contribute to loss of muscle function and decreased glucose uptake in type 2 diabetes.

Item Type:	Article
Identifier:	doi10.1113/JP283039
Keywords:	integrin, ILK, Rac1, ECM, actin cytoskeleton, muscle contraction, insulin, insulin resistance.
Subjects:	Natural sciences > Cell and molecular biology Natural sciences
Depositing User:	Volker Behrends
Date Deposited:	22 Apr 2024 10:55
Last Modified:	04 Nov 2024 11:32
URI:	https://repository.uwl.ac.uk/id/eprint/11369