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[Cytoplasmic casein kinase 2 and its substrate proteins in the brain in Alzheimer's disease].

The absence of casein kinase 2 on blots of temporal cortex extracts from Alzheimer's disease patients (ADP) was shown using antiserum to casein kinase 2. Casein kinase 2 activity towards endogenous substrates and casein is 2-5 times less in ADP brain in comparison to normal controls. The fractions of heparin-binding proteins, containing protein substrates for phosphorylation, were isolated from temporal cortex of ADP and normal controls. The total amount of heparin-binding proteins from ADP brains is less than from control brains, and the polypeptide composition of these fractions is much more poop.