Journal
CELLULAR SIGNALLING
Volume 53, Issue -, Pages 90-101Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cellsig.2018.09.004
Keywords
Transforming growth factor-beta; Smads; Cardiovascular disease; Smooth muscle cells; Vascular cells; Revascularisation surgery
Categories
Funding
- British Heart Foundation PhD Studentship [FS/12/66/30003]
- British Heart Foundation Chair of Translational Cardiovascular Sciences [CH/11/2/28733]
- Royal Society of Edinburgh [RSE/33457]
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Excessive vascular smooth muscle cell (SMC) proliferation, migration and extracellular matrix (ECM) synthesis are key events in the development of intimal hyperplasia, a pathophysiological response to acute or chronic sources of vascular damage that can lead to occlusive narrowing of the vessel lumen. Atherosclerosis, the primary cause of coronary artery disease, is characterised by chronic vascular inflammation and dyslipidemia, while revascularisation surgeries such as coronary stenting and bypass grafting represent acute forms of vascular injury. Gene knockouts of transforming growth factor-beta (TGF beta), its receptors and downstream signalling proteins have demonstrated the importance of this pleiotropic cytokine during vasculogenesis and in the maintenance of vascular homeostasis. Dysregulated TGF beta signalling is a hallmark of many vascular diseases, and has been associated with the induction of pathological vascular cell phenotypes, fibrosis and ECM remodelling. Here we present an overview of TGF beta signalling in SMCs, highlighting the ways in which this multifaceted cytokine regulates SMC behaviour and phenotype in cardiovascular diseases driven by intimal hyperplasia.
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