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Peripheral administration of an angiotensin II AT(1) receptor antagonist decreases the hypothalamic-pituitary-adrenal response to isolation Stress
The study was published in Proceedings of the National Academy of Sciences on March 4, 2026, and was funded by federal research grants from the National Institutes of Health and private philanthropy
ROS sources ROS are unstable oxygen-containing molecules that include radical ROS (e.g., superoxide anions [O 2 ], hydroxyl radicals [OH], peroxyl radical [ROO], alkoxyl radical [RO], carbonate radical [CO 3 ], hydroperoxyl radical [HO 2 ], nitric oxide [NO], and nitrogen dioxide [NO 2 ]) and non-radical ROS (e.g., hydrogen peroxide [H 2 O 2 ], peroxynitrite [ONOO ], hypochlorous acid [HOCl], singlet oxygen [ 1 O 2 ], ozone [O 3 ], and nitrocarbonate [ONOOCO 2 ]) [11] (Table 1)