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  • Title: [The role of cGMP in extinguishing the reactions of identified neurons in the edible snail to acetylcholine].
    Author: Pivovarov AS, Drozdova EI, Kotliar BI.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1989; 39(4):728-36. PubMed ID: 2573220.
    Abstract:
    Possible role of cGMP is studied in control of extinction of snail neurones RPa4, RPa3 and LPa3 reactions to acetylcholine (ACh), applied rhythmically to neurone soma by means of microiontophoresis. It is shown that guanylate cyclase activators which raise the cGMP level in the cell--Na nitroprusside and Na azide (5,10(-4)-10(-3) mol/l)--intensify at extracellular application the extinction of inward transmembrane current and membrane depolarization in response to ACh. Suggestion is made about participation of cGMP-dependent phosphorylation of membrane proteins in control of the development rate, depth and duration of neurone cholinoreceptors short-term plasticity.
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