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J Toxicol Environ Health B Crit Rev. 2018;21(2):61-82. doi: 10.1080/10937404.2018.1432025. Epub 2018 Feb 15.

Arsenic, cadmium, and mercury-induced hypertension: mechanisms and epidemiological findings.

Author information

1
a Laboratório de Toxicologia e Essencialidade de Metais, Depto. de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto , Universidade de São Paulo , Ribeirão Preto-SP , Brazil.
2
b Laboratório de Pesquisa em Toxicologia , Universidade de Sorocaba , Sorocaba-SP , Brazil.

Abstract

Arsenic (As), cadmium (Cd), and mercury (Hg) are toxic elements widely distributed in the environment. Exposure to these elements was attributed to produce several acute and chronic illnesses including hypertension. The aim of this review is to provide a summary of the most frequently proposed mechanisms underlying hypertension associated with As, Cd, and Hg exposure including: oxidative stress, impaired nitric oxide (NO) signaling, modified vascular response to neurotransmitters and disturbed vascular muscle Ca2+ signaling, renal damage, and interference with the renin-angiotensin system. Due to the complexity of the vascular system, a combination rather than a singular mechanism needs to be considered. In addition, epidemiological findings showing the relationship between various biomarkers of metal exposure and hypertension are described. Given the complex etiology of hypertension, further epidemiological studies evaluating the roles of confounding factors such as age, gender, and life style are still necessary.

PMID:
29446707
DOI:
10.1080/10937404.2018.1432025
[Indexed for MEDLINE]

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