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Anti-oxidant and Anti-inflammatory Effects of Acanthopanacia Cortex Hot Aqueous Extract on Lipopolysaccharide(LPS) Simulated Macrophages

  • Jo, Na Young (Department of Acupuncture & Moxibustion Medicine, Je-Cheon Hospital of Traditional Korean Medicine, Semyng University) ;
  • Roh, Jeong Du (Department of Acupuncture & Moxibustion Medicine, Je-Cheon Hospital of Traditional Korean Medicine, Semyng University)
  • Received : 2014.02.18
  • Accepted : 2014.02.27
  • Published : 2014.03.20

Abstract

Objectives : This study is to investigate the effects of Acanthopanacis Cortex hot aqueous extract on nitric oxide(NO), prostaglandin E2(PGE2) production and DPPH(1,1-diphenyl-2-picryl hydrazyl) radical scavenging activity in macrophages. Methods : Acanthopanacis Cortex(200 g) was heated at $100^{\circ}C$ with distilled water(2 L) for 4hrs. The extract was filtered and concentrated to 100 ml using a rotary evaporator and was frozen at $-80^{\circ}C$, then was freeze-dried. The RAW 264.7 macrophages were subcultured. In order to evaluate cytotoxicity, MTT assay was performed. Experimental groups were divided into five(control, AC 25, 50, 100 and 200 ${\mu}g/ml$) and we measured cytotoxicity. The concentrations of NO were preprocessed by Griess assay. The RAW 264.7 macrophages was pretreated by 10 ${\mu}g/ml$ LPS and experimental groups were divided into five and we measured NO production. The concentrations of $PGE_2$ were measured by enzyme immunoassay. The RAW 264.7 macrophages was pretreated by 10 ${\mu}g/ml$ LPS. Experimental groups were divided into five and we measured $PGE_2$ production. Antioxidant activity was measured by the DPPH method. experimental groups were divided into four(AC 25, 50, 100 and 200 ${\mu}g/ml$) and we measured DPPH radical scavenging activity. Results : 1. Viability of RAW 264.7 macrophages did not significantly decrease in 25, 50 and 100 ${\mu}g/ml$ Acanthopanacis Cortex hot aqueous extract compared to control group. 2. NO production in LPS-stimulated RAW 264.7 macrophages significantly inhibited in 100, 200 ${\mu}g/ml$ Acanthopanacis Cortex hot aqueous extract compared to control group. 3. $PGE_2$ production in LPS-stimulated RAW 264.7 macrophages significantly inhibited in 100, 200 ${\mu}g/ml$ Acanthopanacis Cortex hot aqueous extract compared to control group. 4. DPPH radical scavenging capability of Acanthopanacis Cortex hot aqueous extract in RAW 264.7 macrophages had the high level in 100, 200 ${\mu}g/ml$. Conclusion : According to the results, Acanthopanacis Cortexx hot aqueous extract has ability to suppress NO, $PGE_2$ production and improve DPPH free radical scavenging activity. So Acanthopanacis Cortex hot aqueous extract may have an anti-inflammation effect and antioxidant activity.

Keywords

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