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1: Proc Natl Acad Sci U S A. 1997 Sep 2;94(18):9669-73.Click here to read Click here to read Links

Late memory-related genes in the hippocampus revealed by RNA fingerprinting.

Cavallaro S, Meiri N, Yi CL, Musco S, Ma W, Goldberg J, Alkon DL.

Laboratory of Adaptive Systems, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA.

Although long-term memory is thought to require a cellular program of gene expression and increased protein synthesis, the identity of proteins critical for associative memory is largely unknown. We used RNA fingerprinting to identify candidate memory-related genes (MRGs), which were up-regulated in the hippocampus of water maze-trained rats, a brain area that is critically involved in spatial learning. Two of the original 10 candidate genes implicated by RNA fingerprinting, the rat homolog of the ryanodine receptor type-2 and glutamate dehydrogenase (EC 1.4.1.3), were further investigated by Northern blot analysis, reverse transcription-PCR, and in situ hybridization and confirmed as MRGs with distinct temporal and regional expression. Successive RNA screening as illustrated here may help to reveal a spectrum of MRGs as they appear in distinct domains of memory storage.

PMID: 9275181 [PubMed - indexed for MEDLINE]

PMCID: PMC23247