Shows that Angelica dahurica polysaccharide protects hippocampal function in rats, suggesting potential for therapeutic use.
polysaccharide (ADP) on the hippocampus. ADP alleviated ovariectomized/D-Galactose (OVX/D-Gal)-induced hippocampal damage and enhanced antioxidant capacity (increased SOD/GSH-Px, decreased MDA). Additionally, ADP activated the Nrf2 pathway (upregulated Nrf2, downregulated NQO1/HO-1) and inhibited apoptosis (upregulated Bcl-2, downregulated Bax/cleaved caspase-3). Untargeted metabolomics revealed that ADP reversed seven oxidative stress-related metabolites, and pathway analysis implicated glycerophospholipid metabolism in its antioxidant mechanism. These results demonstrated that ADP protects against OVX/D-Gal-induced hippocampal oxidative injury by activating Nrf2, enhancing antioxidant capacity, inhibiting apoptosis, and regulating glycerophospholipid metabolism.
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Qiu et al. (2026) studied this question.
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