Literature DB >> 1504794

Correlation between the induction of an immediate early gene, zif/268, and long-term potentiation in the dentate gyrus.

C L Richardson1, W P Tate, S E Mason, P A Lawlor, M Dragunow, W C Abraham.   

Abstract

Expression of the immediate early gene zif/268 (also termed NGFI-A, Krox 24, TIS8 and Egr-1) was investigated in awake rats following various long-term potentiation (LTP) induction protocols. zif/268 mRNA (Northern blots) and protein (immunohistochemistry) levels sharply increased following LTP, and followed a time course characteristic of other immediate early genes. When measured across 3 tetanization protocols known to produce differing degrees of LTP persistence, zif/268 induction was found to be more highly correlated with LTP duration than with the magnitude of initial LTP. These data support the hypothesis that the immediate early gene zif/268 plays a role as a third messenger in the cascade of cellular and nuclear events that govern the persistence of LTP.

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Year:  1992        PMID： 1504794     DOI： 10.1016/0006-8993(92)90938-6

Source DB:  PubMed          Journal:  Brain Res        ISSN： 0006-8993            Impact factor:   3.252


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