title: Superoxide anion and hydrogen peroxide-induced signaling and damage in angiotensin II and aldosterone action.
abstract: The formation of reactive oxygen species (ROS) can be induced by xenobiotic substances, such as redox cycling molecules, but also by endogenous substances such as hormones and cytokines. Recent research shows the importance of ROS in cellular signaling. Here, the signaling pathways of the two blood pressure-regulating hormones angiotensin II and aldosterone are presented, focusing on both their physiological effects and the change of signaling owing to the action of increased concentrations or prolonged exposure. When present in high concentrations, both angiotensin II and aldosterone, as various other endogenous substances, activate NADPH oxidase, which produces superoxide. In this review the generation of superoxide anions and hydrogen peroxide in cells stimulated with angiotensin II or aldosterone, as well as the subsequently induced signaling processes and DNA damage is discussed.
authors.affiliation: Institute of Pharmacology and Toxicology, University of Würzburg, Versbacher Strasse 9, Würzburg, Germany.
authors.forename: Nina
authors.initials: N
authors.lastname: Queisser
authors.forename: Gholamreza
authors.initials: G
authors.lastname: Fazeli
authors.forename: Nicole
authors.initials: N
authors.lastname: Schupp
mesh_terms: D000450:Aldosterone / Q000378:metabolism / Q000502:physiology; D000804:Angiotensin II / Q000494:pharmacology / Q000502:physiology*; D000818:Animals; D001794:Blood Pressure / Q000187:drug effects / Q000502:physiology*; D004249:DNA Damage / Q000187:drug effects; D004730:Endothelium, Vascular / Q000378:metabolism; D006801:Humans; D006861:Hydrogen Peroxide / Q000378:metabolism; D051379:Mice; D019255:NADPH Oxidases / Q000378:metabolism / Q000502:physiology; D010084:Oxidation-Reduction; D018384:Oxidative Stress; D051381:Rats; D017382:Reactive Oxygen Species / Q000378:metabolism; D015398:Signal Transduction / Q000187:drug effects / Q000502:physiology; D013481:Superoxides / Q000378:metabolism
chemical_list: D017382:Reactive Oxygen Species; D013481:Superoxides; D000804:Angiotensin II; D000450:Aldosterone; D006861:Hydrogen Peroxide; D019255:NADPH Oxidases