Atrial Natriuretic Hormones Raise the Level of Cyclic GMP in Neural Cell Lines
- 1 May 1986
- journal article
- research article
- Published by Wiley in Journal of Neurochemistry
- Vol. 46 (5) , 1522-1527
- https://doi.org/10.1111/j.1471-4159.1986.tb01771.x
Abstract
Atriopeptin III and related atrial natriuretic peptide hormones strongly elevate the level of cyclic GMP in three neural tumor cell lines. At peptide concentrations of 1 γM clear‐cut plateaus of the dose‐response curves are not yet reached. Atriopeptin III increases the intracellular concentration of cyclic GMP to a maximum in the course of 30–40 min. The effect of atriopeptin III on the cellular cyclic GMP level is independent of the concentration of extracellular Ca2+ and is not affected by the Ca2+ ionophore A23187. These results suggest (1) that atrial natriuretic hormones may play an important role in the nervous system, and (2) that cultured neural cells may be useful tools in the elucidation of the mechanisms of action of these hormones.Keywords
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