FLUPHENAZINE, ICS 205-930 AND DL-FENFLURAMINE DIFFERENTIALLY ANTAGONIZE DRUG-INDUCED EMESIS IN THE FERRET
FLUPHENAZINE, ICS 205-930 AND DL-FENFLURAMINE DIFFERENTIALLY ANTAGONIZE DRUG-INDUCED EMESIS IN THE FERRET
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DOI:
10.1016/0028-3908(90)90167-p
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发表时间:
1990-05-01
影响因子:
4.7
通讯作者:
TATTERSALL, FD
中科院分区:
文献类型:
--
作者:
COSTALL, B;DOMENEY, AM;TATTERSALL, FD
The intravenous injection of cisplatin (10 mg/kg), the subcutaneous injection of apomorphine (0,125-I mg/kg) and lisuride (0.001-0.1 mg/kg), the oral administration of ipecacuanha (0.3-2.4 mg/kg) and the intragastric administration of copper sulphate (25-100 mg/kg), induced a vomiting and retching response in the ferret. Pretreatment with dl-fenfluramine (5 mg/kg i.p.) prevented or reduced the emesis induced by cisplatin, apomorphine, ipecacuanha and lisuride but failed to significantly antagonise copper sulphate-induced emesis. The 5-HT3 receptor antagonist ICS 205-930 (0.1 mg/kg i.p.) prevented emesis induced by cisplatin and ipecauanha but failed to prevent or significantly reduced the emesis induced by apomorphine, lisuride or copper sulphate. Dopamine receptor antagonists, including fluphenazine (0.1 - 1.0 mg/kg i.p.), prevented apomorphine- and lisuride-induced emesis but were less potent or had inconsistent actions to antagonise cisplatin- or ipecacuanha-induced emesis and failed to inhibit the emesis induced by copper sulphate. The data indicate that dopamine and/or 5-HT3 receptor systems are involved in drug-induced emesis but the emesis caused by gastric irritation induced by copper sulphate is mediated by different receptors mechanisms.