Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
10
pubmed:dateCreated
1991-3-8
pubmed:abstractText
Administration of Ca-entry blockers with different chemical structure before the braining sessions produced the reduction of memory retention in mice and rats in the one-trial passive avoidance tests. This effect was absent in animals treated immediately after training test. Nootropic drugs piracetam and oxiracetam corrected the retention of memory when injected just after training test. Chronic treatment of rats with increasing doses of the nootropic drugs produced about two-fold tissue-specific elevation in the density of DHP-receptors, associated with L-type Ca-channels in synaptosomal membranes of rat cerebral cortex. Maximal effect was observed in a dose of 10 mg/kg. Diltiazem, administrated in a dose of 10 mg/kg, produced about two-fold decrease in the receptors density measured 24 hrs after the first injection. Oxiracetam (10 mg/kg) completely antagonized the effect of Ca-entry blocker. These data imply that nootropic action of piracetam and oxiracetam is mediated by L-type Ca-channels.
pubmed:language
rus
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0365-9615
pubmed:author
pubmed:issnType
Print
pubmed:volume
110
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
386-9
pubmed:dateRevised
2008-10-8
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
[Participation of dihydropyridine-sensitive calcium channels in psychotropic effects of nootropic drugs].
pubmed:publicationType
Journal Article, Comparative Study, English Abstract