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Open AccessReview

Roles of Membrane Domains in Integrin-Mediated Cell Adhesion

by Daniel Lietha 1 and Tina Izard 2,*
1
Cell Signaling and Adhesion Group, Structural and Chemical Biology, Margarita Salas Center for Biological Research (CIB-CSIC), E-28040 Madrid, Spain
2
Cell Adhesion Laboratory, Department of Integrative Structural and Computational Biology, The Scripps Research Institute, Jupiter, FL 33458, USA
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2020, 21(15), 5531; https://doi.org/10.3390/ijms21155531
Received: 30 June 2020 / Revised: 29 July 2020 / Accepted: 31 July 2020 / Published: 1 August 2020
The composition and organization of the plasma membrane play important functional and regulatory roles in integrin signaling, which direct many physiological and pathological processes, such as development, wound healing, immunity, thrombosis, and cancer metastasis. Membranes are comprised of regions that are thick or thin owing to spontaneous partitioning of long-chain saturated lipids from short-chain polyunsaturated lipids into domains defined as ordered and liquid-disorder domains, respectively. Liquid-ordered domains are typically 100 nm in diameter and sometimes referred to as lipid rafts. We posit that integrin β senses membrane thickness and that mechanical force on the membrane regulates integrin activation through membrane thinning. This review examines what we know about the nature and mechanism of the interaction of integrins with the plasma membrane and its effects on regulating integrins and its binding partners. View Full-Text
Keywords: adhesion; integrin signaling; liquid-order; liquid-disorder; lipid rafts adhesion; integrin signaling; liquid-order; liquid-disorder; lipid rafts
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Lietha, D.; Izard, T. Roles of Membrane Domains in Integrin-Mediated Cell Adhesion. Int. J. Mol. Sci. 2020, 21, 5531.

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