Attenuation of 1-(m-Chlorophenyl)-Biguanide Induced Hippocampus-Dependent Memory Impairment by a Standardised Extract of Bacopa monniera (BESEB CDRI-08)

被引:22
作者
Rajan, Koilmani Emmanuvel [1 ]
Singh, Hemant K. [2 ]
Parkavi, Arunagiri [1 ]
Charles, Prisila Dulcy [1 ]
机构
[1] Bharathidasan Univ, Dept Anim Sci, Sch Life Sci, Tiruchirappalli 620024, Tamil Nadu, India
[2] Cent Drug Res Inst, Div Pharmacol, Labs CNS Disorder Learning & Memory, Lucknow 22600, Uttar Pradesh, India
关键词
Learning and memory; Bacopa monniera; BESEB CDRI-08; Hippocampus; 5-HT receptors; mCPBG; ACETYLCHOLINE-RELEASE; 5-HT3; RECEPTORS; P-CHLOROAMPHETAMINE; PASSIVE-AVOIDANCE; GABAERGIC NEURONS; RAT HIPPOCAMPUS; GENE-EXPRESSION; INDUCED AMNESIA; BRAHMI EXTRACT; EPILEPTIC RATS;
D O I
10.1007/s11064-011-0538-7
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Bacopa monniera is a well-known medhya-rasayana (memory enhancing and rejuvenating) plant in Indian traditional medical system of Ayurveda. The effect of a standardized extract of Bacopa monniera (BESEB CDRI-08) on serotonergic receptors and its influence on other neurotransmitters during hippocampal-dependent learning was evaluated in the present study. Wistar rat pups received a single dose of BESEB CDRI-08 during postnatal days 15-29 showed higher latency during hippocampal-dependent learning accompanied with enhanced 5HT(3A) receptor expression, serotonin and acetylcholine levels in hippocampus. Furthermore, 5HT(3A) receptor agonist 1-(m-chlorophenyl)-biguanide (mCPBG) impaired learning in the passive avoidance task followed by reduction of 5HT(3A) receptor expression, 5HT and ACh levels. Administration of BESEB CDRI-08 along with mCPBG attenuated mCPBG induced behavioral, molecular and neurochemical alterations. Our results suggest that BESEB CDRI-08 possibly acts on serotonergic system, which in turn influences the cholinergic system through 5-HT3 receptor to improve the hippocampal-dependent task.
引用
收藏
页码:2136 / 2144
页数:9
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