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- W1489396516 abstract "Deficits in learning and memory accompanied by age-related neurodegenerative diseases are closely related to the impairment of synaptic plasticity. In this study, we investigated the role of thiol redox status in the modulation of the N-methyl-d-aspartate receptor (NMDAR)-dependent long-term potentiation (LTP) in CA1 areas of hippocampal slices. Our results demonstrated that the impaired LTP induced by aging could be reversed by acute administration of reductants that can regulate thiol redox status directly, such as dithiothreitol or β-mercaptoethanol, but not by classical anti-oxidants such as vitamin C or trolox. This repair was mediated by the recruitment of aging-related deficits in NMDAR function induced by these reductants and was mimicked by glutathione, which can restore the age-associated alterations in endogenous thiol redox status. Moreover, antioxidant prevented but failed to reverse H(2)O(2) -induced impairment of NMDAR-mediated synaptic plasticity. These results indicate that the restoring of thiol redox status may be a more effective strategy than the scavenging of oxidants in the treatment of pre-existing oxidative injury in learning and memory." @default.
- W1489396516 created "2016-06-24" @default.
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- W1489396516 date "2010-09-16" @default.
- W1489396516 modified "2023-10-10" @default.
- W1489396516 title "Reversal of aging-associated hippocampal synaptic plasticity deficits by reductants via regulation of thiol redox and NMDA receptor function" @default.
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- W1489396516 doi "https://doi.org/10.1111/j.1474-9726.2010.00595.x" @default.
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