Protecting the heart
Related Experiment Video
Updated: Jul 17, 2025
06:56
Author Spotlight: Enhancing Donor Heart Preservation Through Isolated Rat Heart Perfusion Studies
Published on: October 4, 2024
538
Joshua M Inglis1,2, Arduino A Mangoni1
1Department of Clinical Pharmacology, Flinders Medical Centre and Flinders University, Adelaide, Australia.
Elife
|September 6, 2023
Abstract:
Blocking a protein known as EPAC1 may prevent the development of heart-related side effects caused by a chemotherapy drug.
Insights
Blocking the EPAC1 protein may prevent chemotherapy-induced heart problems. This finding offers a potential strategy to mitigate cardiotoxicity during cancer treatment.
Area of Science:
- Cardiology
- Pharmacology
- Oncology
Background:
- Chemotherapy drugs can cause serious heart-related side effects.
- The protein EPAC1 (Exchange protein directly activated by cAMP 1) is implicated in cardiovascular function.
Purpose of the Study:
- To investigate whether blocking EPAC1 can prevent chemotherapy-induced cardiotoxicity.
- To explore a potential therapeutic target for managing chemotherapy side effects.
Main Methods:
- Utilized preclinical models to study the effects of chemotherapy on the heart.
- Investigated the role of EPAC1 in mediating drug-induced cardiac damage.
- Assessed the efficacy of EPAC1 inhibition in preventing these side effects.
Main Results:
- Chemotherapy drug administration led to cardiac dysfunction.
- EPAC1 was found to play a significant role in the development of this dysfunction.
- Blocking EPAC1 effectively prevented the chemotherapy-induced heart problems.
Conclusions:
- EPAC1 is a key mediator of chemotherapy-induced cardiotoxicity.
- Targeting EPAC1 presents a promising approach to protect the heart during cancer therapy.
Related Concept Videos
01:17Ischemic Heart Disease: Overview
1.3K
Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
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...
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...
1.3K
01:13Location and Orientation of the Heart
3.0K
The human heart, despite its modest size and weight, is an organ of remarkable strength and endurance. Roughly the size of a fist, the heart weighs between 250 and 350 grams and is nestled within the mediastinum, the medial cavity of the thorax. It extends obliquely for about 12 to 14 cm, resting on the superior surface of the diaphragm. The heart is positioned anterior to the vertebral column and posterior to the sternum, with two-thirds of its mass lying to the left of the midsternal line.
3.0K
01:16Heart Valves
4.8K
The human heart is a complex organ with an intricate system of valves that regulate blood flow. There are two main types of valves: atrioventricular (AV) valves and semilunar valves.
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
The AV valves prevent the backflow of blood from the ventricles to the atria during ventricular contraction. These valves function with the assistance of the chordae tendineae and papillary muscles. When the ventricles are relaxed, the chordae tendineae are slack, allowing blood to flow from the atria into the...
4.8K
01:07Overview of the Heart
6.0K
The heart, a muscular organ located in the chest, functions as the body's pump, circulating blood through the vascular system. It has four chambers: two atria on top and two ventricles below. The right atrium receives deoxygenated blood from the body and passes it to the right ventricle, which pumps it to the lungs for oxygenation. The left atrium receives oxygenated blood from the lungs and transfers it to the left ventricle, which pumps it to the rest of the body.
The heart's...
The heart's...
6.0K
01:27Anatomy of the Heart
109.5K
The human heart is made up of three layers of tissue that are surrounded by the pericardium, a membrane that protects and confines the heart. The outermost layer, closest to the pericardium, is the epicardium. The pericardial cavity separates the pericardium from the epicardium. Beneath the epicardium is the myocardium, the middle layer, and the endocardium, the innermost layer. There are four chambers of the heart: the right atrium, the right ventricle, the left atrium, and the left ventricle.
109.5K
01:15Layers of the Heart Wall
2.6K
The heart wall comprises three distinct layers: the epicardium, myocardium, and endocardium. The outermost layer, the epicardium, is the visceral layer of the serous pericardium, featuring a thin, transparent mesothelial surface and an inner layer of areolar connective tissue with fat deposits that increase with age.
The myocardium, the thickest layer, consists of cardiac muscle cells interconnected by intercalated discs and crisscrossing connective tissue fibers. These muscle fibers contract...
The myocardium, the thickest layer, consists of cardiac muscle cells interconnected by intercalated discs and crisscrossing connective tissue fibers. These muscle fibers contract...
2.6K