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Anticonvulsant and behavioral effects of GABAB receptor positive modulator CGP7930 in immature rats

机译:GABAB受体阳性调节剂CGP7930在未成熟大鼠中的惊厥作用和行为作用

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摘要

Possible anticonvulsant action of GABAB receptor positive allosteric modulator CGP7930 was studied in cortical epileptic afterdischarges (ADs) in rat pups 12, 18, and 25days old. Afterdischarges were induced by six series of stimulation of sensorimotor cortex, and CGP7930 (20 or 40mg/kgi.p.) was administered after the first AD. In addition, the effects of CGP7930 on sensorimotor performance and behavior in open field and elevated plus maze were assessed.CGP7930 decreased duration of ADs in 12-day-old but not in older rats. Motor phenomena (movements accompanying stimulation and clonic seizures) were not changed. CGP7930 only moderately affected sensorimotor performance, altered slightly spontaneous behavior in the open field, and did not influence behavior in the elevated plus maze in terms of an adaptive form of learning or anxiety-like behavior. Marked anticonvulsant action with subtle deficits in sensorimotor performance in 12-day-old rats suggests a possible use of CGP7930 as an age-specific anticonvulsant.
机译:GABAB受体阳性变构调节剂CGP7930的可能的抗惊厥作用在大鼠12、18和25日龄的皮质癫痫后放电(AD)中进行了研究。通过感觉运动皮层的六次刺激诱导后放电,在第一次AD后给予CGP7930(20或40mg / kgi.p。)。此外,评估了CGP7930对在旷野和高架迷宫中的感觉运动性能和行为的影响.CGP7930减少了12天大的AD的持续时间,但对老年大鼠却没有。运动现象(伴随刺激和阵挛性发作的运动)没有改变。 CGP7930仅适度地影响感觉运动性能,在开放视野中改变了轻微的自发行为,并且在学习或焦虑样行为的适应性形式方面,不影响高架迷宫中的行为。在12天大的大鼠中,明显的抗惊厥作用与感觉运动功能的细微不足表明,CGP7930有可能用作年龄特异性的抗惊厥药。

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