Abstract

Protein kinase CK2 from neuronal chromatin phosphorylates myosin-like proteins isolated from rat brain chromatin. The protein kinase CK2 activator 1-ethyl-4,5-di(N-methylcarbamoyl)imidazole in vitro stimulated phosphorylation of myosin-like proteins and increased myosin-type Ca(2+)-ATPase activity in neuronal chromatin. After systemic administration this agent normalized Ca(2+)-ATPase activity of brain chromatin in aged rats.

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