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. 1984 Feb;81(4):1253–1257. doi: 10.1073/pnas.81.4.1253

Kindling alters the calcium/calmodulin-dependent phosphorylation of synaptic plasma membrane proteins in rat hippocampus.

C G Wasterlain, D B Farber
PMCID: PMC344805  PMID: 6322192

Abstract

Septal kindling was associated with an inhibition of the post hoc phosphorylation of several synaptic plasma membrane proteins of rat hippocampus. In control rats, the 32P incorporation into proteins of molecular weights 50,000, 58,000, and 60,000 was markedly stimulated by combined calcium/calmodulin, whereas in kindled animals, the response to combined calcium/calmodulin was reduced. Calcium alone, cAMP, or cGMP modulated 32P incorporation into several synaptic plasma membrane proteins but did not differentiate control from kindled tissues. Both control and kindled rats showed nonspecific inhibition of calcium/calmodulin-stimulated phosphorylation in the post hoc assay by corticotropin and by [Leu]enkephalin. The differences between control and kindled animals were most striking in hippocampus and in the amygdaloid-entorhinal area; less pronounced in cortex, basal ganglia, and brain stem; and not significant in cerebellum, a region where kindling cannot be elicited. An 8-wk period of rest after kindling did not reduce these changes, suggesting that they may be a persistent as the kindling behavior itself.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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