Diospyros lotus L. possesses different therapeutic activities such as antioxidant, anti-proliferative, anti-microbial and sedative. However, no studies on the sedative-hypnotic activity of 7-methyljuglone are reported. In the present study, we have evaluated in vivo the anxiolytic-hypnotic like effects of 7-methyljuglone in mice with open field and phenobarbitone-induced sleeping time tests. We have also assessed in silico the involvement of GABA, GABA and 5HT1 neurotransmission in its mechanism of action. The intraperitoneal administration of 7-methyljuglone (2.5-10mg/kg) reduce significantly the number of crossed lines in mice open field test and concomitantly it shown a significant activity in term of onset of sleeping time and also in its duration. Moreover, 7-methyljuglone demonstrated in silico an interesting interaction with GABA but not GABA and 5HT1binding sites. All of these results, taken together, 7-methyljuglone may be an innovative candidate for designing new pharmaceutical and therapeutic applications.
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