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. 1980 Dec;77(12):7479–7483. doi: 10.1073/pnas.77.12.7479

Dopamine and depolarizing agents regulate the state of phosphorylation of protein I in the mammalian superior cervical sympathetic ganglion.

E J Nestler, P Greengard
PMCID: PMC350528  PMID: 6164062

Abstract

The regulation of the state of phosphorylation of protein I, a specific neuronal protein that appears to be associated predominantly with synaptic vesicles, has been studied in intact sections of bovine superior cervical ganglion. For this purpose, a technique was developed that made possible the quantitation of the state of phosphorylation of as little as 5 fmol of protein I. Incubation of ganglion sections in the presence of dopamine, 8-bromo-cyclic AMP, or depolarizing agents (i.e., high K+ concentration or veratridine) increased the state of phosphorylation of protein I relative to that of control ganglion sections. Other results indicated that the effect of dopamine is probably mediated via the activation of a cyclic AMP-dependent protein kinase and that the effect of high K+ concentration is probably mediated via the activation of a calcium-dependent protein kinase.

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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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