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- W4313346316 abstract "5-HT1A serotonin receptors may play a role in cognitive function changes related to advanced age. Here, we investigated the effects of acute and repeated treatment with NLX-101 (F15599), a postsynaptic 5-HT1A receptor-biased agonist, and F13714, a presynaptic 5-HT1A receptor-biased agonist on spatial object pattern separation (OPS) in aged (22-24 months) rats. Neuroplasticity markers including brain-derived neurotrophic factor, PSD95, synaptophysin, and doublecortin were evaluated in the hippocampus. Unlike younger rats, aged rats were incapable of discriminating any new position of the objects in the arena, reflecting the detrimental effect of aging on pattern separation. However, aged animals treated with NLX-101 showed a significant cognitive improvement in the OPS test, accompanied by increases in hippocampal brain-derived neurotrophic factor and PSD95 protein levels. In contrast, no improvement in OPS performance was observed when aged rats received F13714. Both F13714 and NLX-101 increased the number of newborn neurons in the hippocampi of aged rats. These findings provide a rationale for targeting post-synaptic 5-HT1A as a treatment for cognitive deficits related to aging." @default.
- W4313346316 created "2023-01-06" @default.
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- W4313346316 date "2023-04-01" @default.
- W4313346316 modified "2023-10-17" @default.
- W4313346316 title "NLX-101, a 5-HT1A receptor-biased agonist, improves pattern separation and stimulates neuroplasticity in aged rats" @default.
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- W4313346316 doi "https://doi.org/10.1016/j.neurobiolaging.2022.12.013" @default.
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