4.3 Article

Bacopa monniera extract mitigates isoproterenol-induced cardiac stress via Nrf2/Keap1/NQO1 mediated pathway

Journal

ARCHIVES OF PHYSIOLOGY AND BIOCHEMISTRY
Volume 128, Issue 2, Pages 341-351

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/13813455.2019.1683583

Keywords

Antioxidant; Bacopa monniera; cardiovascular stress; electrocardiograph; Isoproterenol; Nrf2

Funding

  1. DST

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The present study aimed to investigate the effect of standardised hydroalcoholic extract of Bacopa monniera against isoproterenol induced cardiac stress. The results showed that treatment with the extract significantly improved cardiac dysfunction by maintaining cardiac rhythm and myocardial integrity, and reducing oxidative stress.
The present study was aimed to investigate the effect of standardised hydroalcoholic extract of Bacopa monniera (BME) against isoproterenol (ISO) induced cardiac stress. Isoproterenol (85 mg/kg body weight) was administered intraperitoneally to induce cardiac stress in rats. Bacopa monniera extract (BME75 and 150 mg/kg) was orally administered for 21 days followed by ISO on 22nd and 23rd experimental days. ISO caused significant cardiac damage, which was concomitant with increased apoptosis and attenuated expressions of Nrf2, HO-1, and regulating apoptotic protein expressions of Bax, Bcl2 and NOS2. Treatment with BME in rats significantly improved cardiac dysfunction by maintaining cardiac rhythm, myocardial integrity. Decreased oxidative stress by restored expressions of Nrf2, NQO1 and HO-1 followed by elevating antioxidant enzymes and total glutathione levels. Our present results suggest that the BME treatment strengthening the endogenous defence system through Nrf2 modulation and played a key role against cardiac oxidative stress induced by ISO in rats.

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