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Sex differences in angiotensin II- and aldosterone-induced hypertension: the central protective effects of estrogen
Journal article   Open access   Peer reviewed

Sex differences in angiotensin II- and aldosterone-induced hypertension: the central protective effects of estrogen

Baojian Xue, Alan Kim Johnson and Meredith Hay
American journal of physiology. Regulatory, integrative and comparative physiology, Vol.305(5), pp.R459-R463
09/01/2013
DOI: 10.1152/ajpregu.00222.2013
PMCID: PMC3763030
PMID: 23883676
url
https://doi.org/10.1152/ajpregu.00222.2013View
Published (Version of record) Open Access

Abstract

Premenopausal women have lower blood pressure and a reduced incidence of cardiovascular disease compared with age-matched men. Similar sex differences have been seen across species and in multiple animal models of hypertension. While important progress over the last decade has been made in elucidating some of the mechanisms underlying these differences, there are still significant gaps in our knowledge. Understanding the cellular and molecular mechanisms responsible for sex differences in hypertension will be important for developing sex-specific therapies targeted toward the prevention and treatment of hypertension. Female sex hormones, especially estrogen, have been demonstrated to modulate the renin-angiotensin-aldosterone system (RAAS) and to have beneficial effects on cardiovascular function through actions not only on the kidney, heart, and vasculature, but also on the central nervous system (CNS). This review primarily focuses on the central regulatory actions of estrogen on brain nuclei involved in blood pressure regulation and the interactions between estrogen and the RAAS in the CNS by which estrogen plays an important protective role against the development of hypertension.
renin-angiotensin-aldosterone system blood pressure estrogen Reviews sex difference estrogen receptor central nervous system

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