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Differential functions of NR2A and NR2B in short-term and long-term memory in rats
Cited 8 time in
Web of Science
Cited 8 time in Scopus
- Authors
- Issue Date
- 2010-08-23
- Publisher
- LIPPINCOTT WILLIAMS & WILKINS
- Citation
- NEUROREPORT; Vol.21 12; 808-811
- Keywords
- NMDA receptor subunits ; short-term and long-term memory ; NR2A and NR2B ; right and left forebrain
- Abstract
- N-methyl-D-aspartate receptors (NMDARs) are glutamate receptors implicated in synaptic plasticity and memory function. The specific functions of NMDA receptor subunits NR2A and NR2B have not yet been fully determined in the different types of memory. Nine Wistar rats (8-weeks-old) were subjected to the Morris water maze task to evaluate the memory behaviorally. Quantitative analysis of NR1, NR2A, and NR2B levels in the right and left forebrain of rats was performed and subunit associations with different types of memory were investigated using the Morris water maze task. Right forebrain NR2A expression was significantly increased and correlated with faster escape time onto a hidden platform, indicating involvement of short-term memory, because of the training time interval. Right forebrain NR2B expression was positively associated with long-term memory lasting 24-h (h). In the left forebrain, NR2B expression was positively related to 72-h long-term memory. In conclusion, the functions of NR2A and NR2B receptors were differentially specialized in short-term and long-term memory, depending on the right or left forebrain. NeuroReport 21:808-811 (C) 2010 Wolters Kluwer Health | Lippincott Williams & Wilkins.
- ISSN
- 0959-4965
- Language
- English
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