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Role of vasoactive mediators in the pathogenesis of Chagas' disease
Shankar Mukherjee1, Huan Huang, Louis M Weiss
1Department of Pathology, Albert Einstein College of Medicine, Bronx, New York 10461, USA.
Insights
Chagas disease cardiomyopathy stems from vascular issues linked to Trypanosoma cruzi. Disruptions in endothelin-1 and kinins
Area of Science:
- Cardiovascular Science
- Infectious Diseases
- Vascular Biology
Background:
- Chagas' disease, caused by Trypanosoma cruzi, leads to cardiomyopathy.
- Vascular dysfunction is a key feature of Chagas' disease pathology.
- Vasoactive peptides play critical roles in cardiovascular homeostasis.
Purpose of the Study:
- To review the vascular pathogenesis of Chagas' disease.
- To explore the role of endothelin-1 and kinins in T. cruzi-induced cardiomyopathy.
- To identify potential therapeutic targets for ameliorating heart pathology.
Main Methods:
- Review of recent scientific literature.
- Analysis of molecular mechanisms of vascular dysfunction.
- Focus on peptidergic mediators in Trypanosoma cruzi infection.
Main Results:
- T. cruzi infection is associated with altered activity of endothelin-1 (vasoconstrictor).
- T. cruzi infection is linked to altered activity of kinins (vasodilators/pro-inflammatory).
- These alterations contribute to disturbances in vascular homeostasis.
Conclusions:
- Dysregulation of endothelin-1 and kinins is implicated in Chagas' disease cardiomyopathy.
- Understanding these vascular mechanisms offers therapeutic intervention opportunities.
- Targeting vascular pathways may help ameliorate heart pathology in Chagas' disease.
Abstract:
This review focuses on the vascular pathogenesis of Chagas' disease, the cardiomyopathy caused by infection with the parasitic protozoa Trypanosoma cruzi. Recent studies strongly suggests that T. cruzi infection is linked to functional changes in the activity of two potent vasoactive peptidergic mediators, endothelin-1, a vasoconstrictor, and kinins, a group of vasodilator and pro-inflammatory peptides related to bradykinin. Understanding the molecular mechanisms underlying disturbances of vascular homoeostasis? induced by T. cruzi may provide opportunities for therapeutic intervention and amelioration of heart pathology.
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