Platelet-activating factor production occurs through stimulation of cholinergic and dopaminergic receptors in the chick retina

F. Bussolino, S. Torelli, E. Stefanini, F. Gremo

Research output: Contribution to journalArticle

Abstract

In previous work we showed that platelet-activating factor (PAF) was produced upon stimulation of the chick retina with acetylcholine (ACh) and dopamine (DA), via a dithiothreitol-insensitive cholinephosphotransferase (DTT-CPT). Other neurotransmitters were ineffective. Since ACh and DA stimulated PAF production at different stages of development, we advanced the hypothesis that selected cholinergic and dopaminergic receptors were involved. In this paper we demonstrate that only muscarinic or D2 (and not D1 and nicotinic) receptor stimulation induced PAF production in the chick retina either before or after hatching. Moreover, our data show that PAF production was completely prevented by blockage of these receptors by specific antagonists. These data further substantiate the hypothesis that PAF synthesis could be physiologically associated with synapse stimulation.

Original languageEnglish
Pages (from-to)283-288
Number of pages6
JournalJournal of Lipid Mediators
Volume1
Issue number5
Publication statusPublished - 1989

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Platelet Activating Factor
Cholinergic Receptors
Retina
Acetylcholine
Dopamine
Diacylglycerol Cholinephosphotransferase
Dithiothreitol
Nicotinic Receptors
Synapses
Cholinergic Agents
Neurotransmitter Agents

ASJC Scopus subject areas

  • Immunology
  • Pharmacology

Cite this

Platelet-activating factor production occurs through stimulation of cholinergic and dopaminergic receptors in the chick retina. / Bussolino, F.; Torelli, S.; Stefanini, E.; Gremo, F.

In: Journal of Lipid Mediators, Vol. 1, No. 5, 1989, p. 283-288.

Research output: Contribution to journalArticle

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