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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2010-1-18
pubmed:abstractText
The present study investigated the anticonvulsive effect of the disubstituted diaryl diselenides diphenyl diselenide (PhSe)(2), m-trifluoromethyl-diphenyl diselenide (m-CF(3)-C(6)H(4)Se)(2), p-chloro-diphenyl diselenide (p-Cl-C(6)H(4)Se)(2) and p-methoxyl-diphenyl diselenide (p-CH(3)O-C(6)H(4)Se)(2) on a chemical model of seizure induced by pentylenetetrazole (PTZ) in mice. (PhSe)(2), (p-Cl-C(6)H(4)Se)(2) and (p-CH(3)O-C(6)H(4)Se)(2) did not abolish seizures induced by PTZ in mice. (m-CF(3)-C(6)H(4)Se)(2) at the dose of 100 mg/kg significantly prolonged the latency of the onset of the first convulsive episode and reduced the number of animals that presented seizures. To investigate the possible mechanisms involved in the anticonvulsant effect of (m-CF(3)-C(6)H(4)Se)(2), mice were submitted to different associations (all drugs in a sub-effective dose); aminooxyacetic acid hemihydrochloride (AOAA, a gamma-aminobutyric acid (GABA)-T inhibitor), diazepam (a GABA(A) receptor agonist) or DL-2,4-diamino-n-butyric acid hydrochloride (DABA, an inhibitor of GABA uptake) were pre-administered together with (m-CF(3)-C(6)H(4)Se)(2). (m-CF(3)-C(6)H(4)Se)(2) + DABA abolished seizures induced by PTZ in mice. (m-CF(3)-C(6)H(4)Se)(2) administered alone or with PTZ decreased the levels of GABA uptake in cerebral cortex slices. The present study demonstrates that (m-CF(3)-C(6)H(4)Se)(2) exerts anticonvulsant action by decreasing the levels of GABA uptake.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1734-1140
pubmed:author
pubmed:issnType
Print
pubmed:volume
61
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1127-33
pubmed:meshHeading
pubmed:articleTitle
m-Trifluoromethyl-diphenyl diselenide attenuates pentylenetetrazole-induced seizures in mice by inhibiting GABA uptake in cerebral cortex slices.
pubmed:affiliation
Department of Chemistry, Natural Science Institute, Federal University of Santa Maria, Santa Maria, 97105-900, RS, Brazil.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't