Abstract
There has been a great deal of interest recently in genetic effects on neurocognitive performance in the healthy population. KIBRA –a postsynaptic protein from the WWC family of proteins– was identified in 2003 in the human brain and kidney and has recently been associated with memory performance and synaptic plasticity. Through genome-wide screening, a single nucleotide polymorphism (SNP) was detected in the ninth intron of KIBRA gene (T→ C substitution) and was implicated in human memory and the underlying neuronal circuitry. This review presents a synopsis of the current findings on the effects of the KIBRA SNP on human memory and synaptic plasticity. Overall the findings suggest impaired memory performance and less efficient or impaired hippocampal/medial temporal lobe (MTL) activation in CC homozygotes (in comparison to T carriers) with some differences between young and older subjects. This review also highlights limitations and potential sources for variability of studies’ imaging findings along with future perspectives and implications for the role of KIBRA in memory-related brain systems.
Keywords: Cognition, episodic memory, fMRI, genetic polymorphism, KIBRA, synaptic plasticity.
Current Neuropharmacology
Title:Effects of the KIBRA Single Nucleotide Polymorphism on Synaptic Plasticity and Memory: A Review of the Literature
Volume: 12 Issue: 3
Author(s): Laetitia C. Schwab, Vincent Luo, Chelsey L. Clarke and Pradeep J. Nathan
Affiliation:
Keywords: Cognition, episodic memory, fMRI, genetic polymorphism, KIBRA, synaptic plasticity.
Abstract: There has been a great deal of interest recently in genetic effects on neurocognitive performance in the healthy population. KIBRA –a postsynaptic protein from the WWC family of proteins– was identified in 2003 in the human brain and kidney and has recently been associated with memory performance and synaptic plasticity. Through genome-wide screening, a single nucleotide polymorphism (SNP) was detected in the ninth intron of KIBRA gene (T→ C substitution) and was implicated in human memory and the underlying neuronal circuitry. This review presents a synopsis of the current findings on the effects of the KIBRA SNP on human memory and synaptic plasticity. Overall the findings suggest impaired memory performance and less efficient or impaired hippocampal/medial temporal lobe (MTL) activation in CC homozygotes (in comparison to T carriers) with some differences between young and older subjects. This review also highlights limitations and potential sources for variability of studies’ imaging findings along with future perspectives and implications for the role of KIBRA in memory-related brain systems.
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Cite this article as:
C. Schwab Laetitia, Luo Vincent, L. Clarke Chelsey and J. Nathan Pradeep, Effects of the KIBRA Single Nucleotide Polymorphism on Synaptic Plasticity and Memory: A Review of the Literature, Current Neuropharmacology 2014; 12 (3) . https://dx.doi.org/10.2174/1570159X11666140104001553
DOI https://dx.doi.org/10.2174/1570159X11666140104001553 |
Print ISSN 1570-159X |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6190 |
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