Related Experiment Video
Updated: Aug 18, 2025

Post-Myocardial Infarction Heart Failure in Closed-chest Coronary Occlusion/Reperfusion Model in Göttingen Minipigs and Landrace Pigs
Published on: April 17, 2021
APELIN IN HEART FAILURE
Kamil Marczewski1, Natalia Gospodarczyk1, Alicja Gospodarczyk2
1DEPARTMENT OF EMERGENCY MEDICINE, MEDICAL UNIVERSITY OF SILESIA, POLAND.
Apelin, an adipokine, plays a crucial role in cardiovascular health by lowering blood pressure and improving insulin sensitivity. Further research may unlock its potential for treating heart failure and metabolic diseases.
Area of Science:
- Cardiovascular Biology
- Metabolic Disease Research
- Endocrinology
Background:
- Apelin is a protein encoded by the APLN gene, acting as a ligand for the APJ receptor.
- Expressed in various tissues, highest concentrations are found in the endocardium and vascular endothelium.
- Apelin is classified as an adipokine due to its secretion by adipocytes.
Purpose of the Study:
- To summarize the biological functions and tissue distribution of apelin.
- To highlight apelin's role in cardiovascular regulation and metabolic homeostasis.
- To discuss the potential therapeutic implications of apelin in disease treatment.
Main Methods:
- Literature review of studies on apelin's biological activity and expression.
- Analysis of apelin's effects on the cardiovascular system and glucose metabolism.
- Synthesis of current understanding regarding apelin's role in disease pathogenesis.
Main Results:
- Apelin exhibits a positive inotropic effect in myocardial tissue and counteracts the renin-angiotensin-aldosterone system, lowering blood pressure.
- Apelin enhances cellular insulin sensitivity and improves glucose tolerance, suggesting a role in metabolic disease.
- Elevated apelin production in adipose tissue is observed in obesity.
Conclusions:
- Apelin is a significant factor in cardiovascular homeostasis and metabolic health.
- Its potential therapeutic applications in heart failure, hypertension, and type 2 diabetes warrant further investigation.
- Apelin's multifaceted roles underscore its importance in physiological and pathological processes.
Related Concept Videos
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
Heart Failure II: Pathophysiology
Heart Failure Drugs: β-Blockers
Pathophysiology of Heart Failure
Heart Failure V: Medical Management
Heart Failure VI: Adjunct Therapies

