Further evidence for the involvement of cAMP in central blood pressure regulation
- 1 January 1977
- journal article
- research article
- Published by Springer Nature in Naunyn-Schmiedebergs Archiv für experimentelle Pathologie und Pharmakologie
- Vol. 296 (2), 177-181
- https://doi.org/10.1007/bf00508471
Abstract
In order to test the hypothesis that the activity of cardiovascular centres is determined by their content of cAMP a number of drugs which influence the activity of either phosphodiestase or adenylcyclase were injected in doses of 100–1000 μg/kg into the lateral cerebral ventricle of cats. The effects on blood pressure and heart rate were studied. The phosphodiesterase inhibitors papaverine, carbocromene, theophylline and caffeine caused hypertension and tachycardia which increased with the dose while the phosphodiesterase activator imidazole exerted opposite effects. Sodium fluoride which activates adenylcyclase increased blood pressure and heart rate substantially. The results confirm the above-mentioned hypothesis.Keywords
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