Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1985-8-26
pubmed:abstractText
In rabbit isolated atria, [D-Ala2,Met5]enkephalinamide and [D-Ala2,D-Leu5]enkephalin (0.1-3 microM) inhibited responses to cholinergic nerve stimulation in a concentration-dependent manner without affecting responses to exogenous acetylcholine. The inhibitory effect was blocked by the opiate receptor antagonist naloxone (1 microM). In rabbit atria in which the transmitter acetylcholine stores had been radioactively labelled by preincubating the tissue in [3H]choline, tetrodotoxin (100 ng/ml) significantly (P less than 0.001) blocked the stimulation-induced (2 Hz for 3 min) release of radioactivity. Both [D-Ala2,Met5]enkephalinamide and [D-Ala2,D-Leu5]enkephalin (0.3 and 1 microM) significantly decreased stimulation-induced radioactivity release and their effects were blocked by naloxone (1 microM). In rat isolated atria, [D-Ala2,Met5]enkephalinamide and [D-Ala2,D-Leu5]enkephalin (0.3-3 microM) inhibited responses to cholinergic nerve stimulation without affecting responses to exogenous acetylcholine. The inhibitory effect was blocked by naloxone (1 microM). In guinea-pig isolated atria, responses to cholinergic nerve stimulation were unaffected by the enkephalin analogues. In rabbit, rat and guinea-pig isolated atria, responses to noradrenergic nerve stimulation and exogenous noradrenaline were unaffected by the enkephalin analogues.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
0014-2999
pubmed:author
pubmed:issnType
Print
pubmed:day
23
pubmed:volume
111
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
65-72
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1985
pubmed:articleTitle
Effect of [D-Ala2,Met5]enkephalinamide and [D-Ala2,D-Leu5]enkephalin on cholinergic and noradrenergic neurotransmission in isolated atria.
pubmed:publicationType
Journal Article, In Vitro, Research Support, Non-U.S. Gov't