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Phytother Res. 2014 Jun;28(6):937-9. doi: 10.1002/ptr.5081. Epub 2013 Nov 14.

Inhibitory effect of bacopasides on spontaneous morphine withdrawal induced depression in mice.

Author information

1
Department of Pharmaceutical Sciences, COMSATS Institute of Information Technology, Abbottabad, 22060, Pakistan.

Abstract

Bacopa monnieri is a perennial herb with a world known image as a nootropic. We investigated the effect of Bacopa monnieri methanolic extract (Mt Ext BM) 10, 20, and 30 mg/kg body weight (b.w) on acquisition and expression of morphine withdrawal induced depression in mice. Locally available Bacopa monnieri (BM) was screened for contents of Bacoside A3, Bacopasaponin C, and Bacopaside II using HPLC with UV. Morphine dependence was induced in mice using twice daily escalating chronic morphine treatments (20-65 mg/kg b.w) for eight consecutive days. Morphine withdrawal induced depression was assayed in animals using forced swimming test (FST), three days after last morphine injection. The HPLC analysis revealed that Mt-ext BM contained Bacoside A3 as major component, i.e. 4 µg in each mg of extract. The chronic treatment with Met Ext BM 10, 20, and 30 mg/kg b.w. dosing significantly inhibited opioid withdrawal induced depression in mice. These findings imply a newer potential role of Bacopa monnieri in the clinical management of opioid withdrawal induced depression which can be attributed to Bacoside A3.

KEYWORDS:

Bacopa monnieri; bacopasides; depression; forced swim test; morphine withdrawal

PMID:
24243728
DOI:
10.1002/ptr.5081
[Indexed for MEDLINE]

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