Bilirubin and Endothelial Function

Bilirubin is a fundamental metabolic end product of heme degradation. Despite acting as a cytotoxic metabolite at high concentrations, bilirubin at physiological concentrations has antioxidant effects, such as scavenging reactive oxygen species, leading to a decrease in oxidative stress. Endothelial...

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Veröffentlicht in:Journal of Atherosclerosis and Thrombosis 2019/08/01, Vol.26(8), pp.688-696
Hauptverfasser: Maruhashi, Tatsuya, Kihara, Yasuki, Higashi, Yukihito
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container_title Journal of Atherosclerosis and Thrombosis
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creator Maruhashi, Tatsuya
Kihara, Yasuki
Higashi, Yukihito
description Bilirubin is a fundamental metabolic end product of heme degradation. Despite acting as a cytotoxic metabolite at high concentrations, bilirubin at physiological concentrations has antioxidant effects, such as scavenging reactive oxygen species, leading to a decrease in oxidative stress. Endothelial dysfunction is an early feature of and plays an important role in the development and progression of atherosclerosis, leading to cardiovascular complications. One mechanism of endothelial dysfunction is an increase in oxidative stress, by which the bioavailability of nitric oxide is decreased. Therefore, bilirubin is expected to improve endothelial function, to inhibit the progression of atherosclerosis, and to reduce cardiovascular complications by inactivating oxidative stress through its antioxidant effects. In this review, we will focus on the clinical associations of the antioxidant bilirubin with endothelial function and cardiovascular complications.
doi_str_mv 10.5551/jat.RV17035
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subjects Animals
Antioxidant
Antioxidants - metabolism
Bilirubin
Bilirubin - metabolism
Endothelial function
Endothelium, Vascular - cytology
Endothelium, Vascular - physiology
Gilbert's syndrome
Humans
Oxidative stress
Review
Vascular Diseases - physiopathology
title Bilirubin and Endothelial Function
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