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Updated: Oct 7, 2025

SA-β-Galactosidase-Based Screening Assay for the Identification of Senotherapeutic Drugs
Published on: June 28, 2019
Therapeutic opportunities for senolysis in cardiovascular disease
Mark Sweeney1,2,3, Stuart A Cook1,2, Jesús Gil1,2
1MRC London Institute of Medical Sciences (LMS), London, UK.
Abstract:
Cellular senescence within the cardiovascular system has, until recently, been understudied and unappreciated as a factor in the development of age-related cardiovascular diseases such as heart failure, myocardial infarction and atherosclerosis. This is in part due to challenges with defining senescence within post-mitotic cells such as cardiomyocytes. However, recent evidence has demonstrated senescent-like changes, including a senescence-associated secretory phenotype (SASP), in cardiomyocytes in response to ageing and cell stress. Other replicating cells, including fibroblasts and vascular smooth muscle cells, within the cardiovascular system have also been shown to undergo senescence and contribute to disease pathogenesis. These findings coupled with the emergence of senolytic therapies, to target and eliminate senescent cells, have provided fascinating new avenues for management of several age-related cardiovascular diseases with high prevalence. In this review, we discuss the role of senescent cells within the cardiovascular system and highlight the contribution of senescence cells to common cardiovascular diseases. We discuss the emerging role for senolytics in cardiovascular disease management while highlighting important aspects of senescence biology which must be clarified before the potential of senolytics can be fully realized.
Insights
Cellular senescence, a process of aging cells, contributes to cardiovascular diseases like heart failure. Senolytic therapies targeting these senescent cells show promise for managing age-related heart conditions.
Area of Science:
- Cardiovascular Biology
- Cellular Aging
- Gerontology
Background:
- Cellular senescence's role in cardiovascular disease has been historically underappreciated.
- Challenges exist in defining senescence in non-dividing cells like cardiomyocytes.
- Senescent-like changes and the senescence-associated secretory phenotype (SASP) are now recognized in cardiovascular cells.
Purpose of the Study:
- To review the involvement of senescent cells in the cardiovascular system.
- To highlight the contribution of senescence to common cardiovascular diseases.
- To discuss the potential of senolytic therapies for cardiovascular disease management.
Main Methods:
- Literature review of cellular senescence in the cardiovascular system.
- Analysis of studies on senescent cells in cardiomyocytes, fibroblasts, and vascular smooth muscle cells.
- Examination of emerging senolytic therapies and their application in cardiovascular diseases.
Main Results:
- Senescence occurs in both post-mitotic (cardiomyocytes) and replicating cardiovascular cells (fibroblasts, smooth muscle cells).
- Senescent cells, via SASP, contribute to the pathogenesis of age-related cardiovascular diseases.
- Senolytic therapies offer a novel approach to target senescent cells in cardiovascular conditions.
Conclusions:
- Cellular senescence is a significant factor in age-related cardiovascular diseases.
- Senolytics represent a promising therapeutic strategy, but further research into senescence biology is needed.
- Understanding senescence mechanisms is crucial for realizing the full potential of senolytics in cardiovascular medicine.
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