Signaling Pathways in Cardiac Myocyte Apoptosis
Peng Xia1, Yuening Liu1, Zhaokang Cheng1
1Department of Pharmaceutical Sciences, Washington State University College of Pharmacy, PBS 323, 205 E. Spokane Falls Blvd., P.O. Box 1495, Spokane, WA 99210-1495, USA.
Insights
Cardiovascular diseases are linked to cardiac myocyte apoptosis. Targeting these cell death pathways offers potential therapeutic strategies for heart conditions, but clinical treatments are still needed.
Area of Science:
- Cardiology and Molecular Biology
- Cellular mechanisms of cardiovascular disease
Background:
- Cardiovascular diseases are the leading global cause of death.
- Apoptotic death of cardiac myocytes is a common feature of cardiovascular diseases.
- Targeting cardiomyocyte apoptosis presents a potential therapeutic avenue for various heart disorders.
Purpose of the Study:
- To summarize current knowledge on cardiomyocyte apoptosis pathways.
- To highlight the role of these pathways in heart disease pathogenesis.
- To review the translation of this knowledge from research to clinical practice.
Main Methods:
- Review of recent scientific literature on cardiomyocyte apoptosis.
- Focus on signaling molecules and pathways regulating apoptosis in cardiac myocytes.
- Analysis of bench-to-bedside translation of findings.
Main Results:
- Multiple signaling molecules and pathways regulate cardiomyocyte apoptosis.
- These pathways are implicated in the pathogenesis of heart disease.
- Current clinical treatments targeting apoptosis are limited.
Conclusions:
- Understanding cardiomyocyte apoptosis is crucial for developing new therapies.
- Further research is needed to translate basic science findings into clinical applications.
- Identifying and targeting specific apoptosis pathways may offer novel treatments for cardiovascular diseases.
Abstract:
Cardiovascular diseases, the number 1 cause of death worldwide, are frequently associated with apoptotic death of cardiac myocytes. Since cardiomyocyte apoptosis is a highly regulated process, pharmacological intervention of apoptosis pathways may represent a promising therapeutic strategy for a number of cardiovascular diseases and disorders including myocardial infarction, ischemia/reperfusion injury, chemotherapy cardiotoxicity, and end-stage heart failure. Despite rapid growth of our knowledge in apoptosis signaling pathways, a clinically applicable treatment targeting this cellular process is currently unavailable. To help identify potential innovative directions for future research, it is necessary to have a full understanding of the apoptotic pathways currently known to be functional in cardiac myocytes. Here, we summarize recent progress in the regulation of cardiomyocyte apoptosis by multiple signaling molecules and pathways, with a focus on the involvement of these pathways in the pathogenesis of heart disease. In addition, we provide an update regarding bench to bedside translation of this knowledge and discuss unanswered questions that need further investigation.
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