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- W2095672805 abstract "In rodents, chronic stress induces long-lasting structural and functional alterations in the hippocampus, as well as learning and memory impairments. The neural cell adhesion molecule (NCAM) was previously hypothesized to be a key molecule in mediating the effects of stress due to its role in neuronal remodeling and since chronic stress diminishes hippocampal NCAM expression in rats. However, since most of the evidence for these effects is correlative or circumstantial, we tested the performance of conditional NCAM-deficient mice in the water maze task to obtain causal evidence for the role of NCAM. We first validated that exposure to chronic unpredictable stress decreased hippocampal NCAM expression in C57BL/6 wild-type mice, inducing deficits in reversal learning and mild deficits in spatial learning. Similar deficits in water maze performance were found in conditional NCAM-deficient mice that could not be attributed to increased anxiety or enhanced corticosterone responses. Importantly, the performance of both the conditional NCAM-deficient mice and chronically stressed wild-type mice in the water maze was improved by post-training injection of the NCAM mimetic peptide, FGLs. Thus, these findings support the functional involvement of NCAM in chronic stress-induced alterations and highlight this molecule as a potential target to treat stress-related cognitive disturbances. © 2009 Wiley-Liss, Inc." @default.
- W2095672805 created "2016-06-24" @default.
- W2095672805 creator A5004973809 @default.
- W2095672805 creator A5019546749 @default.
- W2095672805 creator A5027416084 @default.
- W2095672805 date "2010-12-23" @default.
- W2095672805 modified "2023-10-18" @default.
- W2095672805 title "Causal evidence for the involvement of the neural cell adhesion molecule, NCAM, in chronic stress-induced cognitive impairments" @default.
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