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Cardiovascular remodeling, apoptosis, and drugs
1Department of Internal Medicine, and Institute of Physiology, University of Messina, Italy.
Abstract:
Apoptosis, a form of programmed cell death, mediates the controlled deletion of so-called "unwanted" cells. This review deals with the key features of this cell death program, showing that apoptosis is regulated by factors extrinsic and intrinsic to the dying cell. The elucidation of the possible interactions between these factors may be of major interest in preventing the progression to cardiovascular remodeling in patients with hypertensive disease. New pathways of research are emerging for drugs, such as beta-blockers, ACE inhibitors, the calcium-antagonists, and the receptor antagonist of angiotensin II, all of which have beneficial effects on cardiovascular remodeling. This may be due to the direct effect of these drugs on the cell proliferation/apoptosis balance.
Insights
Apoptosis, programmed cell death, is regulated by internal and external factors. Understanding these interactions may help prevent cardiovascular remodeling in hypertension using targeted drug therapies.
Area of Science:
- Cell Biology
- Cardiovascular Medicine
- Pharmacology
Background:
- Apoptosis is a critical process of programmed cell death, essential for removing unwanted cells.
- This cell death program is regulated by both intrinsic and extrinsic factors within the cell.
- Cardiovascular remodeling is a significant concern in hypertensive disease.
Purpose of the Study:
- To review the key features of apoptosis and its regulation.
- To explore the potential interactions between intrinsic and extrinsic apoptotic factors.
- To investigate the role of apoptosis in cardiovascular remodeling and the impact of cardiovascular drugs.
Main Methods:
- Literature review of apoptosis mechanisms.
- Analysis of factors regulating programmed cell death.
- Examination of drug effects on cell proliferation and apoptosis balance in cardiovascular disease.
Main Results:
- Apoptosis is a highly regulated process influenced by internal and external cellular signals.
- Interactions between apoptotic regulatory factors are crucial for cellular fate.
- Several cardiovascular drugs, including beta-blockers and ACE inhibitors, show beneficial effects on cardiovascular remodeling.
- These beneficial effects may stem from the drugs' influence on the balance between cell proliferation and apoptosis.
Conclusions:
- Understanding apoptosis regulation is key to addressing cardiovascular remodeling in hypertension.
- Targeting the cell proliferation/apoptosis balance represents a promising therapeutic strategy for cardiovascular diseases.
- Further research into drug mechanisms affecting apoptosis could lead to novel treatments for hypertensive cardiovascular remodeling.