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Published on: February 16, 2022
Role of alpha-terpineol modulating pathway nitric oxide into coronary tissues: A confluent mechanism for the
Emanuel Tenório Paulino1, Hira Muzammel2, Lucindo José Quintans-Júnior3
1Institute of Pharmaceutical Science, Federal University of Alagoas, Brazil; Unité Nanoregenerative Medicine, Université de Strasbourg, France.
Insights
Alpha-terpineol (TPN) promotes heart protection by relaxing coronary arteries and stimulating endothelial cell growth, independent of the endothelium. This compound offers potential in preventing heart damage from reduced oxygen supply.
Area of Science:
- Cardiovascular Research
- Pharmacology
- Molecular Biology
Background:
- Coronary arteries are vital for heart oxygen and nutrient supply.
- Myocardial infarction is a prevalent global disease involving ischemia-reperfusion injury.
- Alpha-terpineol (TPN) has demonstrated cardioprotective effects.
Purpose of the Study:
- To investigate the vascular effects of alpha-terpineol (TPN) on coronary vessels.
- To determine if TPN can modulate coronary artery tone and function.
Main Methods:
- Utilized in vivo, in vitro, and in silico approaches.
- Included histopathology of coronary arteries, myograph-based perfusion studies, endothelial cell culture, and molecular docking.
Main Results:
- TPN induced vasorelaxation independently of endothelial presence.
- TPN promoted endothelial cell growth via nitric oxide (NO) production.
- TPN demonstrated direct vasodilatory action and restored endothelial cell growth.
Conclusions:
- TPN modulates vascular function, acting as a vasodilator.
- TPN can prevent hypoxia/anoxia by ensuring adequate heart perfusion.
- TPN shows potential for cardioprotection against myocardial infarction.
Introduction:
The coronary artery is a crucial pathway to heart functions, due to its role in maintaining levels of oxygen and nutrients to the heart's work. In contrast, myocardial infarction is a disease of high prevalence around the world. Involvement of the oxygen supply to the heart triggers ischemia-reperfusion in the physiopathology of myocardial infarction, occluded by thrombi. Alpha-terpineol (TPN) is a majoritary showed cardioprotection against myocardial infarction in vivo, mechanisms are directed to hearts and may affect coronary tone.
Aims Of The Study:
to investigate whether TPN can modulate vascular effects on coronary vessels.
Material And Methods:
In vivo, in vitro, and in sílico approaches, through histopathology of coronary arteries post-mortem, mounting coronary artery isolated and perfused by myograph, cells culture of the endothelium explant, and molecular docking to confirm studies with fragments of vessels.
Results:
TPN induces vasorelaxation independent of endothelium presence. In the culture of endothelial cells, TPN induces growth directly by the production of NO. TPN showed ability of the modulate actions directly on coronary tissues, as a vasodilator and agent that restores endothelial cell growth.
Conclusion:
this report demonstrates that TPN is able to modulate vascular function induced vasodilator, and can be used to prevent hypoxia/anoxia allowing adequate perfusion to hearts promote cardioprotection.
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