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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1982-9-24
pubmed:abstractText
The effects of tofisopam on gastric functions were examined in rats. Intracerebroventricular (i.c.v.) injection of tofisopam (50 ot 100 microgram) increased both basal gastric acid output and mucosal blood flow (MBF) in rats anesthetized with urethane, while intravenous injection of tofisopam (10 mg/kg) did not change the basal gastric acid output. Ten micrograms of tofisopam, i.c.v., a dose which did not show any effect on the basal gastric acid output, significantly inhibited the decrease in gastric acid output induced by noradrenaline (5 microgram, i.c.v.). Tofisopam (10 mg/kg, i.v. or 100 microgram, i.c.v.) showed no effect on the increase in gastric acid output induced by electrical stimulation of the lateral hypothalamic area (LHA). These results, together with the previous findings, suggest the tofisopam (i.c.v.) acts on the nucleus dorsalis n. vagi and/or LHA and competes with noradrenaline. The gastric acid output was increased remarkably under water-immersion stress, and this increase lasted during the stress-loading, but the MBF did not show a corresponding increase. Pretreatment of rats with tofisopam (100 mg/kg, intraduodenal) significantly increased the MBF and inhibited the ulcer formation caused by the stress. From these results, tofisopam may restore the unbalance between sympathetic and parasympathetic nervous tones induced by stress-loading.
pubmed:language
jpn
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
0015-5691
pubmed:author
pubmed:issnType
Print
pubmed:volume
79
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
307-15
pubmed:dateRevised
2011-7-27
pubmed:meshHeading
pubmed:year
1982
pubmed:articleTitle
[Effects of tofisopam on gastric functions in rats (author's transl)].
pubmed:publicationType
Journal Article, English Abstract