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Oxidative Stress, GTPCH1, and Endothelial Nitric Oxide Synthase Uncoupling in Hypertension

Antioxidants & redox signaling, 2021-03, Vol.34 (9), p.750-764 [Peer Reviewed Journal]

Copyright Mary Ann Liebert, Inc. Mar 20, 2021 ;Copyright 2021, Mary Ann Liebert, Inc., publishers 2021 Mary Ann Liebert, Inc., publishers ;ISSN: 1523-0864 ;EISSN: 1557-7716 ;DOI: 10.1089/ars.2020.8112 ;PMID: 32363908

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Title:
Oxidative Stress, GTPCH1, and Endothelial Nitric Oxide Synthase Uncoupling in Hypertension
Author: Wu, Yin ; Ding, Ye ; Ramprasath, Tharmarajan ; Zou, Ming-Hui
Subjects: Abnormalities ; Biopterins - analogs & derivatives ; Biopterins - metabolism ; Chemical compounds ; Clinical trials ; Depletion ; Forum Review ; GTP Cyclohydrolase - genetics ; Homeostasis ; Humans ; Hypertension ; Hypertension (Ed. Bin Geng)—Part A ; Hypertension - genetics ; Hypertension - metabolism ; Hypertension - pathology ; Information processing ; Nitric oxide ; Nitric Oxide - genetics ; Nitric Oxide - metabolism ; Nitric Oxide Synthase Type III - genetics ; Nitric Oxide Synthase Type III - metabolism ; Nitric-oxide synthase ; Oxidative stress ; Oxidative Stress - genetics ; Pharmacology ; Regulators ; Signal Transduction - genetics ; Signaling ; Tetrahydrobiopterin
Is Part Of: Antioxidants & redox signaling, 2021-03, Vol.34 (9), p.750-764
Description: Hypertension has major health consequences, which is associated with endothelial dysfunction. Endothelial nitric oxide synthase (eNOS)-produced nitric oxide (NO) signaling in the vasculature plays an important role in maintaining vascular homeostasis. Considering the importance of NO system, this review aims to provide a brief overview of the biochemistry of members of NO signaling, including GTPCH1 [guanosine 5'-triphosphate (GTP) cyclohydrolase 1], tetrahydrobiopterin (BH ), and eNOS. Being NO signaling activators and regulators of eNOS signaling, BH treatment is getting widespread attention either as potential therapeutic agents or as preventive agents. Recent clinical trials also support that BH treatment could be considered a promising therapeutic in hypertension. Under conditions of BH depletion, eNOS-generated superoxides trigger pathological events. Abnormalities in NO availability and BH deficiency lead to disturbed redox regulation causing pathological events. This disturbed signaling influences the development of systemic hypertension as well as pulmonary hypertension. Considering the importance of BH and NO to improve the translational significance, it is essential to continue research on this field to manipulate BH to increase the efficacy for treating hypertension. Thus, this review also examines the current state of knowledge on the effects of eNOS activators on preclinical models and humans to utilize this information for potential therapy.
Publisher: United States: Mary Ann Liebert, Inc
Language: English
Identifier: ISSN: 1523-0864
EISSN: 1557-7716
DOI: 10.1089/ars.2020.8112
PMID: 32363908
Source: MEDLINE
Alma/SFX Local Collection

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Oxidative Stress, GTPCH1, and Endothelial Nitric Oxide Synthase Uncoupling in Hypertension

Copyright Mary Ann Liebert, Inc. Mar 20, 2021 ;Copyright 2021, Mary Ann Liebert, Inc., publishers 2021 Mary Ann Liebert, Inc., publishers ;ISSN: 1523-0864 ;EISSN: 1557-7716 ;DOI: 10.1089/ars.2020.8112 ;PMID: 32363908

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