Ginsenoside Rg1 alleviates repeated alcohol exposure-induced psychomotor and cognitive deficits.

Abstract:

Background:Chronic alcohol consumption disrupts psychomotor and cognitive functions, most of which are subserved by the dysfunction of hippocampus. Dysregulated excitatory glutamatergic transmission is implicated in repeated alcohol induced psychomotor and cognitive impairment. Ginsenoside Rg1, one of the main active ingredient of the traditional tonic medicine Panax ginseng C.A. Meyer (Araliaceae), has been used to treat cognitive deficits. Particularly, Rg1 has been demonstrated to improve hippocampus-dependent learning in mice and attenuate glutamate-induced excitotoxicity in vitro. Thus, in the present research, we sought to investigate the therapeutic effects of Ginsenoside Rg1 on repeated alcohol induced psychomotor and cognitive deficits in hippocampal-dependent behavioral tasks and unravel the underpinnings of its neuroprotection. Methods:Male ICR (CD-1) mice were consecutively intragastrically treated with 20% (w/v) alcohol for 21 days. Then, behavior tests were conducted to evaluate repeated alcohol induced psychomotor and cognitive deficits. Histopathological changes, and biochemical and molecular alterations were assessed to determine the potential neuroprotective mechanism of Rg1. Results:The results suggested that Rg1, at the optimal dose of 6 mg/kg, has the potential to ameliorate repeated alcohol induced cognitive deficits by regulating activities of NR2B containing NMDARs and excitotoxic signaling. Conclusion:Our findings further provided a new strategy to treat chronic alcohol exposure induced adverse consequences.

journal_name

Chin Med

journal_title

Chinese medicine

authors

Huang L,Peng Z,Lu C,Chen Y,Lv JW,Qin M,Liao DF,Liu XM,Shi Z

doi

10.1186/s13020-020-00325-x

subject

Has Abstract

pub_date

2020-05-07 00:00:00

pages

44

issn

1749-8546

pii

325

journal_volume

15

pub_type

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