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KMID : 0613820180280020216
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Journal of Life Science
2018 Volume.28 No. 2 p.216 ~ p.222
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Anti-oxidative and Anti-inflammatory Activities of Desmodium heterocarpon Extract in RAW 264.7 Cells
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Lee Su-Hyeon
Jin Kyong-Suk
Son Yu-Ri
Kwon Hyun-Ju
Kim Byung-Woo
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Abstract
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Desmodium heterocarpon is one of vines belongs to Fabaceae family, mainly distributed in Asian countries such as Korea and Japan. This study was conducted to explore new nutraceutical resources from the plant kingdom possessing biological activities. To fulfill this purpose, the anti-oxidative and anti-inflammatory activities of D. heterocarpon ethanol extract (DHEE) were evaluated by 1,1-diphenyl-2- picryl hydrazyl (DPPH) radical scavenging activity assay, reactive oxygen species (ROS) scavenging activity assay, nitric oxide (NO) inhibitory activity assay, and the analysis of related protein expressions by Western blot hybridization. DHEE exhibited potent anti-oxidative activity as confirmed by DPPH radical scavenging capacity against DPPH similar with ascorbic acid, a well-known anti-oxidative agent, used as a positive control. DHEE also effectively suppressed hydrogen peroxide (H2O2)- induced ROS on RAW 264.7 murine macrophage cells. Furthermore, DHEE induced the expression of the anti-oxidative enzyme heme oxygenase 1 (HO-1), and its upstream transcription factor, nuclear factor-E2-related factor 2 (Nrf2) as a dose dependent manner. DHEE inhibited lipopolysaccharide (LPS) induced nitric oxide (NO) formation as a consequence of inducible NO synthase (iNOS) down regulation. Taken together, these results suggest that DHEE has anti-oxidative and anti-inflammatory activities and thus appears to be useful sources as potential anti-oxidant and anti-inflammatory agents. The identification of active compounds that confer biological activities of DHEE might be needed.
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KEYWORD
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Anti-inflammatory activity, anti-oxidative activity, Desmodium heterocarpon
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