Integrin and Its Associated Proteins As a Mediator for Mechano-Signal Transduction

Overview

Journal Biomolecules

Publisher MDPI

Specialties Biochemistry
Molecular Biology

Date 2025 Feb 26

PMID 40001469

Authors

Kazuo Katoh

Affiliations

Soon will be listed here.

Abstract

Mechano-signal transduction is a process in which cells perceive extracellular mechanical signals, convert them into intracellular biochemical signals, and produce a response. Integrins are cell surface receptors that sense the extracellular mechanical cues and bind to the extracellular matrix (ECM). This binding induces integrin clustering and activation. Cytoplasmic tails of activated integrins interact and induce cytoskeleton tensions via several adaptor proteins. Integrins monitor extracellular stiffness via cytoskeleton tensions and modulate ECM stiffness via downstream signaling pathways regulating the expression of genes of ECM components. Integrin-mediated mechano-transduction is very crucial for the cell as it regulates the cell physiology both in normal and diseased conditions according to extracellular mechanical cues. It regulates cell proliferation, survival, and migration. Abnormal mechanical cues such as extreme and prolonged mechanical stress result in pathological conditions including fibrosis, cancers, skin, and autoimmune disorders. This paper aims to explore the role of integrins and their associated proteins in mechano-signal transduction. It highlights the integrins and their associated proteins as targets for therapy development. Furthermore, it also presents the challenges to the targeted drug development, which can be drug resistance and cytotoxicity. It is concluded in this paper that research on integrin-mediated mechano-signal transduction and its relationship with cell physiology and pathologies will be an important step towards the development of effective therapies.

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