Cited by 255Cell Adhesion Molecules ResearchCellular Mechanics and InteractionsProtein Kinase Regulation and GTPase Signaling

Talin as a mechanosensitive signaling hub

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Goult, Benjamin T., Yan, Jie, Schwartz, Martin A.·2018·Journal of Cell Biology

Abstract

Cell adhesion to the extracellular matrix (ECM), mediated by transmembrane receptors of the integrin family, is exquisitely sensitive to biochemical, structural, and mechanical features of the ECM. Talin is a cytoplasmic protein consisting of a globular head domain and a series of α-helical bundles that form its long rod domain. Talin binds to the cytoplasmic domain of integrin β-subunits, activates integrins, couples them to the actin cytoskeleton, and regulates integrin signaling. Recent evidence suggests switch-like behavior of the helix bundles that make up the talin rod domains, where individual domains open at different tension levels, exerting positive or negative effects on different protein interactions. These results lead us to propose that talin functions as a mechanosensitive signaling hub that integrates multiple extracellular and intracellular inputs to define a major axis of adhesion signaling.

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Crossref · 10.1083/jcb.201808061

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  • Mechanical stretching unfolds talin and other mechanosensitive proteins, thus exposing cryptic binding sites.

    “Mechanical stretching similarly unfolds talin and other mechanosensitive proteins, thus exposing cryptic binding sites [225, 226].”

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Authors
Goult, B. T., Yan, J., & Schwartz, M. A.
Affiliations
  • University of Kent (GB)
  • National University of Singapore (SG)
  • Wellcome Centre for Cell-Matrix Research (GB)
Corresponding author
Goult, Benjamin T.
Venue
Journal of Cell Biology
Published
2018-09-25
Volume
217
Issue
11
Pages
3776-3784
ISSN
  • 0021-9525 (ISSN-L)
  • 1540-8140
OpenAlex
W2894360011
Cited by
250
References
92
Citations by year
2026: 27 · 2025: 28 · 2024: 38 · 2023: 24 · 2022: 38 · 2021: 37 · 2020: 28 · 2019: 29 · 2018: 1
FWCI
3.44
Type
journal article
Language
en
Open access
Locations
  • The Journal of Cell Biology (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
  • Kent Academic Repository (University of Kent) (acceptedVersion)
  • Research Explorer (The University of Manchester) (acceptedVersion, other-oa)
Funders
  • Biotechnology and Biological Sciences Research Council (BB/N007336/1)
  • National Research Foundation
  • NRF (NRF-NRFI2016-03)
  • Human Frontier Science Program (RGP00001/2016)
Topics
  • Health Sciences › Medicine › Immunology and Allergy › Cell Adhesion Molecules Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular Mechanics and Interactions
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
talin, mechanosensitive signaling, integrin activation, cell adhesion, extracellular matrix, integrin beta subunit, actin cytoskeleton, adhesion signaling
MeSH terms
Protein Domains, Animals, Extracellular Matrix, Humans, Integrins, Talin, Protein Structure, Secondary, Mechanotransduction, Cellular

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