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Published on: June 10, 2025
Epigenetic mechanisms shaping cytoskeleton dynamics in cardiovascular diseases
Xian-Ming Tao1, Peng Liu1, Sui Mao1
1Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, PR China.
Insights
Age-related epigenetic changes impact the cytoskeleton, driving cardiovascular remodeling and disease. Understanding these mechanisms is key for developing precision medicine strategies for cardiovascular conditions.
Area of Science:
- Cardiovascular Biology
- Epigenetics
- Cellular Mechanics
Background:
- The cytoskeleton is crucial for cardiovascular cell structure and function.
- Cytoskeletal dysregulation contributes to cardiovascular diseases like fibrosis and arrhythmias.
- Epigenetic alterations, hallmarks of aging, interact with the cytoskeleton and influence cardiovascular health.
Purpose of the Study:
- To review the interplay between age-related epigenetic changes and cytoskeletal dynamics.
- To elucidate molecular pathways linking epigenetics, cytoskeleton, and cardiovascular remodeling.
- To identify therapeutic targets and future research directions for cardiovascular precision medicine.
Main Methods:
- Systematic review of recent studies on epigenetics and cytoskeleton in cardiovascular disease.
- Analysis of molecular pathways involved in cardiomyocyte, vascular smooth muscle cell, and fibroblast remodeling.
- Discussion of therapeutic strategies and biomarkers.
Main Results:
- Age-related epigenetic modifications (DNA methylation, histone modifications, chromatin remodeling) directly influence cytoskeletal dynamics and nuclear mechanics.
- These changes drive pathological remodeling in cardiomyocytes, vascular smooth muscle cells, and fibroblasts.
- Synergy between cytoskeletal regulation and epigenetics is a core feature of cardiovascular aging and disease.
Conclusions:
- Age-related epigenetic alterations are critical drivers of cardiovascular remodeling.
- Targeting the epigenetic-cytoskeletal axis offers potential for novel cardiovascular therapies.
- Further research is needed to establish a foundation for precision medicine in cardiovascular disease.
Abstract:
Cytoskeleton is an important component of cell structure and function. In the cardiovascular system, it is involved in the remodeling process of a variety of cardiovascular diseases, including cardiac fibrosis, valvular disease, atrial fibrillation, thoracic aortic aneurysm and vascular stiffness related changes. Recent studies have shown that there is a significant synergy between cytoskeletal regulation and epigenetic processes. Notably, epigenetic alterations have been identified as one of the core features of ageing, a major risk factor for cardiovascular disease. Together, these factors regulate the fate determination, function maintenance and pathological transformation of cardiovascular cells. This review focuses on how age-related epigenetic changes, such as DNA methylation, histone modifications, and chromatin remodeling, directly affect cytoskeletal dynamics and nuclear mechanics, and ultimately lead to cardiovascular remodeling. This review systematically summarizes the key molecular pathways that drive pathological remodeling of cardiomyocytes during contraction, phenotypic switching of vascular smooth muscle cells, and activation of fibroblasts. In addition, we discuss potential therapeutic targets, biomarkers, and intervention strategies in this rapidly evolving field to address current challenges and identify future directions for research in order to lay the theoretical foundation for precision medicine in cardiovascular disease.
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Introduction to the Cytoskeleton
The cytoskeleton is a network of protein filaments present within the cell, having three distinct filaments ̶ microfilaments, microtubules, and intermediate filaments. Each has characteristic features that distinguish them, including the dynamics of their assembly and disassembly, mechanical properties, polarity, and the type of molecular motors associated with them. Earlier, they were thought to be present only in eukaryotic cells; however, their homologs were...

