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- Title
Focal Adhesion's Role in Cardiomyocytes Function: From Cardiomyogenesis to Mechanotransduction.
- Authors
Casarella, Simona; Ferla, Federica; Di Francesco, Dalila; Canciani, Elena; Rizzi, Manuela; Boccafoschi, Francesca
- Abstract
Mechanotransduction refers to the ability of cells to sense mechanical stimuli and convert them into biochemical signals. In this context, the key players are focal adhesions (FAs): multiprotein complexes that link intracellular actin bundles and the extracellular matrix (ECM). FAs are involved in cellular adhesion, growth, differentiation, gene expression, migration, communication, force transmission, and contractility. Focal adhesion signaling molecules, including Focal Adhesion Kinase (FAK), integrins, vinculin, and paxillin, also play pivotal roles in cardiomyogenesis, impacting cell proliferation and heart tube looping. In fact, cardiomyocytes sense ECM stiffness through integrins, modulating signaling pathways like PI3K/AKT and Wnt/β-catenin. Moreover, FAK/Src complex activation mediates cardiac hypertrophic growth and survival signaling in response to mechanical loads. This review provides an overview of the molecular and mechanical mechanisms underlying the crosstalk between FAs and cardiac differentiation, as well as the role of FA-mediated mechanotransduction in guiding cardiac muscle responses to mechanical stimuli.
- Subjects
MECHANOTRANSDUCTION (Cytology); FOCAL adhesion kinase; HEART development; EXTRACELLULAR matrix; MYOCARDIUM; CELL adhesion; FOCAL adhesions
- Publication
Cells (2073-4409), 2024, Vol 13, Issue 8, p664
- ISSN
2073-4409
- Publication type
Article
- DOI
10.3390/cells13080664