Cited by 182Cellular Mechanics and InteractionsWound Healing and TreatmentsTGF-β signaling in diseases

Mechanical regulation of myofibroblast phenoconversion and collagen contraction

Hinz, Boris, McCulloch, Christopher A., Coelho, Nuno M.·2019·Experimental Cell Research

Abstract

Activated fibroblasts promote physiological wound repair following tissue injury. However, dysregulation of fibroblast activation contributes to the development of fibrosis by enhanced production and contraction of collagen-rich extracellular matrix. At the peak of their activities, fibroblasts undergo phenotypic conversion into highly contractile myofibroblasts by developing muscle-like features, including formation of contractile actin-myosin bundles. The phenotype and function of fibroblasts and myofibroblasts are mechanically regulated by matrix stiffness using a feedback control system that is integrated with the progress of tissue remodelling. The actomyosin contraction machinery and cell-matrix adhesion receptors are critical elements that are needed for mechanosensing by fibroblasts and the translation of mechanical signals into biological responses. Here, we focus on mechanical and chemical regulation of collagen contraction by fibroblasts and the involvement of these factors in their phenotypic conversion to myofibroblasts.

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Crossref · 10.1016/j.yexcr.2019.03.027

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  • During fibroblast-to-myofibroblast transition, complex mechanochemical signaling is activated involving profibrotic secreted factors TGFβ and Wnt and ECM-degrading enzymes and intracellular effectors required for stress fiber contractility.

    “During fibroblast-to-myofibroblast transition, a complex mechanochemical signaling is activated involving profibrotic secreted factors such as TGFβ and Wnt and ECM-degrading enzymes and intracellular effectors required for stress fiber contractility [127,131].”

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Authors
Hinz, B., McCulloch, C. A., & Coelho, N. M.
Affiliations
University of Toronto (CA)
Corresponding author
Coelho, Nuno M.
Venue
Experimental Cell Research
Publisher
Elsevier BV
Published
2019-06
Volume
379
Issue
1
Pages
119-128
ISSN
0014-4827 (ISSN-L)
OpenAlex
W2934133090
Cited by
182
References
211
Citations by year
2026: 23 · 2025: 19 · 2024: 28 · 2023: 27 · 2022: 20 · 2021: 38 · 2020: 14 · 2019: 13
FWCI
2.47
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Cell Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Canadian Institutes of Health Research CIHR (#375597)
  • Canada Foundation for Innovation and Ontario Research Fund (#36050)
  • E-Rare Joint Transnational Program ‘Development of Innovative Therapeutic Approaches for Rare Diseases’ (# ERL-138395)
  • CMC is supported by a CIHR Operating grant (MOP416228)
  • Canada Research Chair in Matrix Dynamics
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular Mechanics and Interactions
  • Health Sciences › Medicine › Rehabilitation › Wound Healing and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › TGF-β signaling in diseases
Keywords
collagen contraction, fibroblast activation, extracellular matrix stiffness, mechanotransduction, actomyosin contractility, fibrosis, tissue remodeling, wound healing
MeSH terms
Animals, Collagen, Extracellular Matrix, Fibrosis, Humans, Phenotype, Wound Healing, Myofibroblasts

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