Related Experiment Videos
Apoptosis in heart failure
1Department of Medicine, Henry Ford Heart and Vascular Institute, Detroit, MI, USA.
Progress in Cardiovascular Diseases
|July 1, 1998
Summary
Heart failure involves progressive ventricular dysfunction, potentially driven by cardiac myocyte loss via apoptosis (programmed cell death). Further research is needed to identify triggers and understand apoptosis
Area of Science:
- Cardiology
- Cell Biology
- Pathophysiology
Background:
- Heart failure is characterized by progressive ventricular dysfunction.
- The mechanisms driving this deterioration, including myocyte loss, are not fully understood.
- Apoptosis, or programmed cell death, is a potential mediator of cardiac myocyte loss.
Purpose of the Study:
- To explore the concept of ongoing cardiac myocyte loss through apoptosis in heart failure.
- To review existing evidence for myocyte apoptosis in failing hearts.
- To identify knowledge gaps regarding apoptosis in heart failure progression.
Main Methods:
- Review of existing studies on cardiac myocyte apoptosis.
- Analysis of evidence from explanted human hearts and animal models.
- Examination of apoptosis in conditions associated with heart failure (e.g., myocardial infarction, hypertrophy, aging).
Main Results:
- Studies indicate that myocytes in failing human and animal hearts undergo apoptosis.
- Cardiac myocyte apoptosis is also observed after myocardial infarction, in hypertrophied hearts, and aging hearts.
- Evidence supports the existence of myocyte apoptosis in heart failure, but triggers and functional significance remain unclear.
Conclusions:
- Available data confirm myocyte apoptosis occurs in the failing heart.
- Further research is crucial to identify physiological triggers of myocyte apoptosis in heart failure.
- Understanding apoptosis' role is key to developing novel therapies for heart failure progression.