Abstract:
:Modulation of evoked quantal transmitter release by protein kinase C (PKC) was investigated at an identified cholinergic neuro-neuronal synapse of the Aplysia buccal ganglion. Evoked acetylcholine release was increased by a diacylglycerol analog that activates PKC and was decreased by H-7, a blocker of PKC. FLRFamide facilitated evoked quantal release by increasing presynaptic Ca2+ influx. The inhibition of PKC by H-7 prevented both the increase of presynaptic Ca2+ influx and the facilitation of evoked acetylcholine release induced by the activation of presynaptic FLRFamide receptors. These results provide evidence that the activation of PKC could be a step in the intracellular pathway by which FLRFamide receptors increase evoked quantal acetylcholine release.
journal_name
Neuronjournal_title
Neuronauthors
Fossier P,Baux G,Tauc Ldoi
10.1016/0896-6273(90)90087-vsubject
Has Abstractpub_date
1990-10-01 00:00:00pages
479-86issue
4eissn
0896-6273issn
1097-4199pii
0896-6273(90)90087-Vjournal_volume
5pub_type
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