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Aromatase enzyme: Paving the way for exploring aromatization for cardio-renal protection
1Department of Pharmacology and Toxicology, Faculty of Pharmacy, Merit University, New Sohag, Sohag, Egypt.
Abstract:
Documented male-female differences in the risk of cardiovascular and chronic kidney diseases have been largely attributed to estrogens. The cardiovascular and renal protective effects of estrogens are mediated via the activation of estrogen receptors (ERα and ERβ) and G protein-coupled estrogen receptor, and involve interactions with the renin-angiotensin-aldosterone system. Aromatase, also called estrogen synthase, is a cytochrome P-450 enzyme that plays a pivotal role in the conversion of androgens into estrogens. Estrogens are biosynthesized in gonadal and extra-gonadal sites by the action of aromatase. Evidence suggests that aromatase inhibitors, which are used to treat high estrogen-related pathologies, are associated with the development of cardiovascular events. We review the potential role of aromatization in providing cardio-renal protection and highlight several meta-analysis studies on cardiovascular events associated with aromatase inhibitors. Overall, we present the potential of aromatase enzyme as a fundamental contributor to cardio-renal protection.
Insights
Aromatase, the enzyme converting androgens to estrogens, may offer cardio-renal protection. Inhibiting this enzyme is linked to cardiovascular events, suggesting its protective role.
Area of Science:
- Endocrinology
- Cardiovascular Science
- Nephrology
Background:
- Estrogens mediate cardio-renal protection via estrogen receptors (ERα, ERβ) and G protein-coupled estrogen receptor, interacting with the renin-angiotensin-aldosterone system.
- Aromatase (estrogen synthase) is crucial for androgen-to-estrogen conversion in gonadal and extra-gonadal sites.
Approach:
- Review of scientific literature on aromatase function.
- Analysis of meta-analysis studies on cardiovascular events linked to aromatase inhibitors.
- Examination of the role of aromatization in cardio-renal protection.
Key Points:
- Aromatase inhibitors, used for estrogen-related pathologies, are associated with increased cardiovascular events.
- Estrogen's protective effects on cardiovascular and renal systems are well-documented.
- Aromatization is a key process in estrogen biosynthesis.
Conclusions:
- Aromatase plays a fundamental role in cardio-renal protection.
- Further research into aromatase's mechanisms could reveal novel therapeutic targets.
- Understanding aromatase function is critical for managing cardiovascular and chronic kidney diseases.
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