首页> 外文期刊>Neuropharmacology >The group III mGlu receptor agonist ACPT-I exerts anxiolytic-like but not antidepressant-like effects, mediated by the serotonergic and GABA-ergic systems.
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The group III mGlu receptor agonist ACPT-I exerts anxiolytic-like but not antidepressant-like effects, mediated by the serotonergic and GABA-ergic systems.

机译:III型mGlu受体激动剂ACPT-1发挥抗焦虑药作用,但不发挥抗抑郁药作用,其作用是由血清素能和GABA能系统介导的。

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Our earlier studies have demonstrated that (1S,3R,4S)-1-aminocyclo-pentane-1,3,4-tricarboxylic acid ACPT-I, a group III mGlu receptor agonist, produced anxiolytic-like and antidepressant-like actions after central administration. Here we describe the anxiolytic-like effects of ACPT-I after intraperitoneal administration in the stress-induced hyperthermia (SIH), elevated plus-maze (PMT) tests in mice and in the Vogel test in rats. However, the compound did not produce antidepressant-like effects in the tail suspension test (TST) or in the forced swim test (FST) in mice. The potential anxiolytic effect of ACPT-I (20 mg/kg) in the SIH test was inhibited by the benzodiazepine receptor antagonist flumazenil (given i.p., 10 mg/kg), and by a 5-HT(1A) receptor antagonist N-{2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl}-N-(2-pyridynyl) cyclohexane-carboxamide (WAY100635) (0.1 mg/kg s.c.). At the same time, ritanserin (0.5 mg/kg i.p.), the 5-HT2A/C receptor antagonist, did not change the anxiolytic-like effects of ACPT-I. The results of these studies indicate that the GABA-ergic and serotonergic systems are involved in the potential anxiolytic action of ACPT-I.
机译:我们较早的研究表明,(III)mGlu受体激动剂(1S,3R,4S)-1-氨基环戊烷-1,3,4-三羧酸ACPT-1在中枢神经系统中产生抗焦虑和抗抑郁作用。行政。在这里,我们描述了腹膜内给药后ACPT-1的抗焦虑样作用,其作用是在小鼠的应激诱导高温(SIH),高迷宫(PMT)试验和大鼠的Vogel试验中。但是,该化合物在小鼠的尾部悬吊试验(TST)或强迫游泳试验(FST)中未产生抗抑郁样作用。苯二氮卓受体拮抗剂氟马西尼(给予10 mg / kg)和5-HT(1A)受体拮抗剂N- {抑制了SIH测试中ACPT-1(20 mg / kg)的潜在抗焦虑作用。 2- [4-(2-甲氧基苯基)-1-哌嗪基]乙基} -N-(2-吡啶炔基)环己烷-羧酰胺(WAY100635)(0.1 mg / kg sc)。同时,5-HT 2A / C受体拮抗剂利坦色林(0.5mg / kg i.p.)未改变ACPT-1的抗焦虑样作用。这些研究的结果表明,GABA能和血清素能系统参与了ACPT-1的潜在抗焦虑作用。

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