Pharm Sci. 2019;25(2):132-137.
doi: 10.15171/PS.2019.20
  Abstract View: 21
  PDF Download: 17

Research Article

Investigation of Some Medicinal Plants Inhibitory Effect on NO Production in Oxidative Stressed PC12 Cells

Hamed Parsa Khankandi 1,2 ORCiD, Sahar Behzad 1,3, Shamim Sahranavard 4 * ORCiD, Mina Rezvani 5, Naghmeh Tadris Hasani 2

1 Department of Pharmacognosy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2 Student Research Committee, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
3 Evidence-based Phytotherapy and Complementary Medicine Research Center, Alborz University of Medical Sciences, Karaj, Iran.
4 Traditional Medicine and Materia Medica Research Center, Department of Traditional Pharmacy, School of Traditional Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
5 Department of Pharmacognosy, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.

Abstract

Background: Nitric oxide and reactive nitrogen species play an important role in various pathological conditions like cancer, inflammation and neurodegeneration. As plants and natural compounds have a great potency of discovering lead compounds which might affect NO production during inflammation and various pathologies, we examined the effects of three medicinal plants native to Iran, on NO production during oxidative stress in PC12 cells. Methods: In this study, cell death and NO levels were measured by MTT and by Griess assay, respectively. Oxidative stress was induced by hydrogen peroxide and extracts of Astragalus jolderensis, Convolvulus commutatus and Salvia multicaulis were used as pretreatment in oxidative stressed PC12 cells. Results: A. jolderensis extract significantly suppressed NO production in 150 and 200 μg/ml concentrations and C. commutatus extract in all concentration inhibited NO production in stressed PC12 cells. In addition, the extract of S. multicaulis inhibited NO production during stress at all concentrations above 50 μg/ml. Besides, the extract of S. multicaulis showed protective effect at lower doses in stressed cells. Conclusion: According to the results, S. multicaulis inhibited NO production and protected cells from oxidative stress. Hence, S. multicaulis is a good candidate for further in vitro and in vivo investigations. A. jolderensis and C. commutatus also suppressed NO production during stress. Therefore, they could be noticed in experiments that centralize on the inhibition of NO production and drug discovery studies in the field of neurodegenerative and chronic inflammatory diseases.
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Submitted: 09 Jan 2019
Revised: 26 Jan 2019
Accepted: 27 Jan 2019
First published online: 30 Jun 2019
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