Linked Life Data

9832975

Source:http://linkedlifedata.com/resource/pubmed/id/9832975

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6-7
pubmed:dateCreated
1998-12-29
pubmed:abstractText
L-type voltage-dependent calcium channel blockers acting at different sites were tested in animal models of depression. Their effects on locomotion were studied in separate experiments. Nifedipine, a drug which interacts selectively with dihydropyridine (DHP) binding sites, reduced immobility time in the mouse forced swimming test and tail suspension test, but lacked activity in the differential-reinforcement-of-low-rate schedule in rats (DRL 72 s). The effects of nifedipine in the tail suspension test was partly antagonized by Bay K 8644, a DHP channel activator, indicating that its effect involved L-type calcium channel. Several other DHP drugs (nicardipine, nitrendipine, isradipine, felodipine and nimodipine) also showed antidepressant-like properties in the tail suspension test, whereas amlodipine, a less selective compound, lacked activity. In contrast to the DHP drugs, verapamil and (-)emopamil (which act at the phenylalkylamine binding sites), diltiazem and clentiazem (benzothiazepine binding sites), and the non-selective drug, flunarizine, were inactive in the tail suspension test. Negative results were also obtained with verapamil, diltiazem and flunarizine in the forced swimming test and with flunarizine on DRL 72 s responding. The present results show that DHP channel blockers displayed 'antidepressant-like' properties in mice. There was little dissociation, however, between the doses that produced antidepressant effects and those that decreased locomotor activity.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0955-8810
pubmed:author
pubmed:issnType
Print
pubmed:volume
8
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
629-38
pubmed:dateRevised
2009-7-7
pubmed:meshHeading
pubmed:year
1997
pubmed:articleTitle
Assessment of the antidepressant-like effects of L-type voltage-dependent channel modulators.
pubmed:affiliation
CNS Research Department, Synthélabo Recherche, Bagneux, France.
pubmed:publicationType
Journal Article