ArticleNeuroscience and behavioral physiology
The role of intracellular cAMP in mediating the synchronizing action of noradrenaline on the evoked release of quanta of mediator in the frog synapse.
Article in Neuroscience and behavioral physiology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 3 citations in OpenAlex.
- Adrenergic Modulation of Acetylcholine Release at the Mouse Neuromuscular Junctions of Fast-Twitch Skeletal Muscle.Neurochemical research · 2025Review
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Authors and funding
4 authors at 3 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
Experiments on frog neuromuscular junction preparations with extracellular recording of action currents in nerve endings and single-quantum currents from endplates were used to assess the time course of evoked quantum mediator secretion by analyzing histograms showing the distribution of true synaptic delays. Studies using the cyclic AMP analog dibutyryl-cAMP (db-cAMP), the adenylate cyclase activator forskolin, and the nucleotide-dependent phosphodiesterase inhibitor isobutylmethylxanthine, showed that these agents, like noradrenaline, altered the kinetics of secretion of quanta, leading to synchronization of the release of mediator. After preliminary treatment of the neuromuscular preparation with db-cAMP, forskolin, or isobutylmethylxanthine, noradrenaline did not induce the synchronization of mediator release in quanta. It was concluded that the action of noradrenaline on the time course of secretion is mediated by activation of presynaptic beta receptors, increased adenylate cyclase activity, and increases in intracellular cAMP levels.
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