Abstract:
:Intravenous injection of the synthetic TRH analog, MK-771, to anesthetised cats raised the blood pressure by a central mechanism, i.e. by activating the outflow of sympathetic stimuli from the CNS to the periphery and raising the plasma concentration of adrenaline and noradrenaline. In contrast, noradrenaline in the CSF was lowered by intravenously injected MK-771. The concentration of 5-HT in the CSF was increased and the pressor action of the peptide was correspondingly enhanced by 5-HT antagonists. These findings suggest that the release of 5-HT into the CSF lowers blood pressure and thus reduces the hypertensive effect of MK-771. Methysergide acts synergistically with MK-771 to combat the sudden fall in pressure induced by acute hemorrhage in the anesthetised cat. Combination of the two drugs enhanced and accelerated recovery from this hypotensive state.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Elam R,Bergmann F,Feuerstein Gdoi
10.1016/0014-2999(88)90358-5subject
Has Abstractpub_date
1988-09-01 00:00:00pages
19-25issue
1eissn
0014-2999issn
1879-0712pii
0014-2999(88)90358-5journal_volume
154pub_type
杂志文章abstract::In isolated heart muscle, the compound R56865 (N-[1-[4-(4-fluorophenoxy)butyl]-4-piperidinyl]-N-methyl-2- benzothiazolamine) has been shown to protect against intoxication by cardiac glycosides. We studied the influence of R56865 on various membrane currents in single isolated ventricular cardiomyocytes of the guinea-...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(90)90010-4
更新日期:1990-10-09 00:00:00
abstract::Administration of dihydrocapsaicin to rats resulted in a dose-dependent (0.5-10 mg/kg s.c.) hypothermia. Dihydrocapsaicin was approximately 65% more effective in producing hypothermia than capsaicin. Desensitization and cross-tolerance occurred to the hypothermic effects of both capsaicin and dihydrocapsaicin. Repeate...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(82)90263-1
更新日期:1982-09-24 00:00:00
abstract::MPC-1304 is a novel Ca2+ entry blocker of the 1,4-dihydropyridine type. In the present study, the effect of oral administration of MPC-1304 on alpha-adrenoceptor-mediated pressor responses was examined in pithed rats and compared with that of nifedipine. Drugs were administered orally to conscious animals before pithi...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(93)90858-f
更新日期:1993-07-20 00:00:00
abstract::Cultured retina cells released accumulated [3H]GABA (gamma-aminobutyric acid) when stimulated by L-glutamate, N-methyl-D-aspartate (NMDA) and kainate. In the absence of Mg2+, dopamine at 200 microM (IC50 60 microM), inhibited in more than 50% the release of [3H]GABA induced by L-glutamate and NMDA, but not by kainate....
journal_title:European journal of pharmacology
pub_type: 杂志文章
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更新日期:1998-02-05 00:00:00
abstract::The goal of our study was to determine whether GPR55 agonists, O-1602, could reverse the cyclophosphamide (CYP)-induced changes in cystometric and inflammatory parameters, indicative of the development of bladder inflammation and overactivity. If confirmed, the stimulation of novel cannabinoid receptor - GPR55, could ...
journal_title:European journal of pharmacology
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更新日期:2020-09-05 00:00:00
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journal_title:European journal of pharmacology
pub_type: 杂志文章
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更新日期:1998-05-01 00:00:00
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journal_title:European journal of pharmacology
pub_type: 杂志文章,评审
doi:10.1016/j.ejphar.2004.07.042
更新日期:2004-10-01 00:00:00
abstract::Rings of canine bronchi were suspended for isometric tension recording. Contractions produced by exogenously added acetylcholine were inhibited by pirenzepine and pancuronium. The pKB values were 6.76 for pirenzepine (calculated at 10(-6) M) and 5.30 and 5.13 for pancuronium (calculated at 10(-5) and 3 X 10(-5) M, res...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(87)90643-1
更新日期:1987-08-04 00:00:00
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journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(91)90821-7
更新日期:1991-11-26 00:00:00
abstract::20(S)-Protopanaxadiol (PPD), a metabolite of ginsenosides, has been demonstrated to possess cytotoxic effects on several cancer cell lines. The molecular mechanism is, however, not well understood. In this study, we have shown that PPD inhibits cell growth and induces apoptosis in human hepatocarcinoma HepG2 cells. PP...
journal_title:European journal of pharmacology
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abstract::The regulation of the 5-HT2 receptor-mediated head twitch response and of 5-HT2 receptor binding in the frontal cortex was studied in rats treated repeatedly with the 5-HT2 agonist 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane (DOM) (2.5 mg/kg, s.c.). Four injections in 24 h produced a near maximal reduction in the ...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(89)90409-3
更新日期:1989-04-12 00:00:00
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journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(78)90428-4
更新日期:1978-10-15 00:00:00
abstract::Forskolin inhibited the response to electrical field stimulation (0.1 Hz) and antagonised contractile responses to noradrenaline in the isolated rat vas deferens. The inhibition of the response to electrical stimulation (IC50 0.1 microM) was not affected by either propranolol or yohimbine. Both isoprenaline and forsko...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(83)90650-7
更新日期:1983-11-25 00:00:00
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journal_title:European journal of pharmacology
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更新日期:2019-03-05 00:00:00
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journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(95)00263-k
更新日期:1995-08-15 00:00:00
abstract::In rats, surgical injury of the neocortex enhances the level of procholecystokinin-mRNA in the ipsilateral cortex. This increase in procholecystokinin gene expression was significantly reduced by the blockers of catecholamine re-uptake nomifensine (4 mg/kg), cocaine (5 mg/kg) and (+)-oxaprotiline (1.5 mg/kg) given i.m...
journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(93)90542-p
更新日期:1993-08-10 00:00:00
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journal_title:European journal of pharmacology
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journal_title:European journal of pharmacology
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journal_title:European journal of pharmacology
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更新日期:2001-09-14 00:00:00
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journal_title:European journal of pharmacology
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journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(85)90317-6
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journal_title:European journal of pharmacology
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journal_title:European journal of pharmacology
pub_type: 杂志文章
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更新日期:1997-05-01 00:00:00
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journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(85)90213-4
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journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(93)90249-h
更新日期:1993-10-05 00:00:00
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journal_title:European journal of pharmacology
pub_type: 杂志文章
doi:10.1016/0014-2999(84)90521-1
更新日期:1984-01-13 00:00:00
abstract::N6-2-(4-Aminophenyl)ethyl-adenosine (APNEA, a non-selective agonist of the adenosine A3 receptors), at the subprotective dose of 1 mg/kg against electroconvulsions, significantly potentiated the anticonvulsive action of phenobarbital, diphenylhydantoin and valproate against maximal electroshock, being ineffective at l...
journal_title:European journal of pharmacology
pub_type: 杂志文章
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更新日期:1997-05-30 00:00:00