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ORIGINAL ARTICLE
Year : 2017  |  Volume : 12  |  Issue : 2  |  Page : 160-167

Inhibitory effects of different fractions of Nepeta satureioides on melanin synthesis through reducing oxidative stress


1 Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, I.R. Iran
2 Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, I.R. Iran
3 Department of Animal Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, I.R. Iran
4 Research Center for Applied Biology, Mashhad Branch, Islamic Azad University, Mashhad, I.R. Iran
5 Department of Biology, Faculty of Sciences, Mashhad Branch, Islamic Azad University, Mashhad, I.R. Iran
6 Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, I.R. Iran

Correspondence Address:
Zahra Tayarani-Najaran
Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad
I.R. Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1735-5362.202455

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Nepeta satureioides Boiss. has been used in traditional medicine of eastern countries and is famous for its medicinal properties. The aim of this study was to evaluate the effect of methanol (MeOH), n-hexane and dichloromethane (CH2Cl2) fractions of the extract on melanin synthesis and oxidative stress in B16F10 melanoma cell line. The B16F10 cell line viability after treatment with increasing concentrations of different fractions of the plant (5-60 μg/mL) was measured using MTT assay. The inhibitory effect on synthesis of melanin, mushroom tyrosinase activity, cellular tyrosinase and oxidative stress were determined by the colorimetric and fluorometric methods. The data showed that at concentrations below 60 μg/mL, fractions did not show significant toxicity on melanoma cells. The amount of melanin synthesis by MeOH and CH2Cl2 fractions and mushroom tyrosinase activity by the MeOH fraction declined in B16F10 cells. In addition to the capacity of MeOH, n- hexane and CH2Cl2 fractions in decreasing the amount of reactive oxygen species (ROS) in melanoma cells, all fractions revealed remarkable antioxidant activity. The melanogenesis inhibitory and antioxidant effects of N. satureioides on B16F10 cells may suggest this plant as a new pharmaceutical agent in reducing skin pigment and skin aging in cosmetic industry.


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