首页> 外文期刊>Pharmacology, Biochemistry and Behavior >Effect of the 5-HT(6) receptor antagonists Ro04-6790 and Ro65-7199 on latent inhibition and prepulse inhibition in the rat: comparison to clozapine.
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Effect of the 5-HT(6) receptor antagonists Ro04-6790 and Ro65-7199 on latent inhibition and prepulse inhibition in the rat: comparison to clozapine.

机译:5-HT(6)受体拮抗剂Ro04-6790和Ro65-7199对大鼠潜伏抑制和脉冲前抑制的作用:与氯氮平比较。

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In the present study, we have investigated the effects of two selective 5-HT(6) receptor antagonists, Ro04-6790 and Ro65-7199, in three drug-induced models of PPI disruption and on latent inhibition (LI) utilizing a conditioned lick suppression (CLS) procedure. Clozapine was included in each experiment for comparison. Neither Ro04-6790 nor Ro65-7199 (both 30 mg/kg) affected the PPI disruption produced by PCP (1.5 mg/kg sc), apomorphine (0.1 mg/kg sc), or LSD (0.1 mg/kg sc). There was also no interaction between each drug and CS preexposure in the CLS test indicating a failure of each drug to facilitate LI. In contrast, clozapine (12 mg/kg) attenuated an apomorphine and PCP-induced PPI deficit, although the PPI disruption produced by LSD was not significantly affected. At a lower dose of 5 mg/kg, clozapine also facilitated LI. Since each of these tests bear some predictive validity for the detection of antipsychotic drugs, the present studies do not support a therapeutic potential of 5-HT(6) receptor antagonists in this regard.
机译:在本研究中,我们研究了三种选择性5-HT(6)受体拮抗剂Ro04-6790和Ro65-7199在三种药物诱导的PPI破坏模型中的作用以及对潜在抑制(LI)的作用抑制(CLS)程序。每个实验均包括氯氮平以进行比较。 Ro04-6790和Ro65-7199(均为30 mg / kg)均不影响PCP(1.5 mg / kg sc),阿扑吗啡(0.1 mg / kg sc)或LSD(0.1 mg / kg sc)产生的PPI破坏。在CLS测试中,每种药物与CS预暴露之间也没有相互作用,表明每种药物均无法促进LI。相反,氯氮平(12 mg / kg)减轻了阿扑吗啡和PCP诱导的PPI缺乏,尽管LSD产生的PPI破坏并未受到明显影响。在5 mg / kg的较低剂量下,氯氮平也可促进LI。由于这些测试中的每一项对于抗精神病药的检测都具有一定的预测效度,因此本研究在这方面不支持5-HT(6)受体拮抗剂的治疗潜力。

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