Related Experiment Video
Updated: Aug 11, 2026

In vitro Assessment of Myocardial Protection following Hypothermia-Preconditioning in a Human Cardiac Myocytes Model
Published on: October 27, 2020
Clinical implications of apoptosis in ischemic myocardium
Tiziano M Scarabelli1, Richard Knight, Anastasis Stephanou
1Division of Cardiovascular Disease, Department of Medicine, Wayne State University, USA.
Abstract:
Apoptosis, a genetically programmed form of cell death, contributes to myocyte cell loss in a variety of cardiac pathologies, including cardiac failure and those related to ischemia/reperfusion injury. The apoptotic program is complex, involving both pro- and anti-apoptotic proteins, and apoptosis occurs when the equilibrium between these opposing factors is perturbed. Some of these factors are intrinsic to the apoptotic pathway, such as the pro- and anti-apoptotic members of the Bcl2 family. Other, extrinsic, cellular factors can also modify the outcome of the response to an apoptotic stimulus. In this review, we have focused on some of these extrinsic factors, such as STAT-1 as a pro-apoptotic agent and the urocortins and Bag-1 as anti-apoptotic factors, since these may be potential therapeutic targets. In addition, we discuss the profound cytoprotective effects of the antibiotic, minocycline.
Insights
Apoptosis, programmed cell death, drives myocyte loss in heart disease. Targeting extrinsic factors like STAT-1, urocortins, and Bag-1, along with minocycline, may offer new cardiac therapies.
Area of Science:
- Cardiology
- Molecular Biology
- Cell Death Research
Background:
- Apoptosis contributes to myocyte loss in cardiac pathologies like heart failure and ischemia/reperfusion injury.
- The balance of pro- and anti-apoptotic proteins, including Bcl2 family members, regulates apoptosis.
- Extrinsic cellular factors also influence the apoptotic response to stimuli.
Purpose of the Study:
- To review extrinsic factors modulating apoptosis in cardiac pathologies.
- To highlight potential therapeutic targets, including STAT-1, urocortins, and Bag-1.
- To discuss the cytoprotective effects of minocycline.
Main Methods:
- Review of scientific literature on apoptosis and cardiac disease.
- Analysis of intrinsic and extrinsic apoptotic pathways.
- Examination of therapeutic potential of identified factors.
Main Results:
- STAT-1 acts as a pro-apoptotic agent.
- Urocortins and Bag-1 function as anti-apoptotic factors.
- Minocycline demonstrates significant cytoprotective effects.
Conclusions:
- Modulating extrinsic apoptotic factors presents potential therapeutic strategies for cardiac conditions.
- STAT-1, urocortins, and Bag-1 are key targets for intervention.
- Minocycline offers a promising cytoprotective agent for cardiac health.
Related Concept Videos
Myocarditis I: Introduction
Ischemic Heart Disease: Overview
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and narrowing...
Apoptosis
Ischemic Stroke ll: Pathophysiology
Myocarditis II: Clinical Features and Diagnostic Tests
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations
