감송향물추출물의 HO-1 발현 촉진을 통한 세포보호 작용 및 항염작용
Cytoprotective and Anti-inflammatory Effects of Nardostachys jatamansi Water Extract Via Expression of HO-1
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Nardostachys jatamansi water extract (NJ) has long been used for the treatment of inflammation-and immune-mediated disorders in the oriental countries. However, its site of action and pharmacological mechanism are not fully investigated. In this study, the authors tried to explorethe cytoprotective and anti-inflammatory actions of NJ. First of all, NJ has no harmful effects on viability of neuronal cell line HT22 cells in the dose range of 300 mg/ml. On the contrary, it shows cytoprotective effects on the cells treated with reactive oxygen species H2O2. Probably the cytoprotective effects of NJ might be caused by its ability to induce well known cytoprotective gene hem oxygenase-1 (HO-1). Furthermore, NJ shows inhibitory effects on the expression of inducible nitric oxide synthase (iNOS) and NO production which are known to destroy the integrity of both cells and tissues. It also inhibits potent proinflammatory cytokine tumor necrosis factor-alpha (TNF-a) production. The blocking effects of NJ on cytopathic and proinflammatory actions of LPS might be caused by the induction of cytoprotective and anti-inflammatory genes HO-1 in macrophages cell line RAW 264.7 cells. The results in this study suggest NJ could be used for the amelioration of inflammation which is underlying mechanism responsible for most chronic diseases.
Abstract
Nardostachys jatamansi water extract (NJ) has long been used for the treatment of inflammation-and immune-mediated disorders in the oriental countries. However, its site of action and pharmacological mechanism are not fully investigated. In this study, the authors tried to explorethe cytoprotective and anti-inflammatory actions of NJ. First of all, NJ has no harmful effects on viability of neuronal cell line HT22 cells in the dose range of 300 mg/ml. On the contrary, it shows cytoprotective effects on the cells treated with reactive oxygen species H2O2. Probably the cytoprotective effects of NJ might be caused by its ability to induce well known cytoprotective gene hem oxygenase-1 (HO-1). Furthermore, NJ shows inhibitory effects on the expression of inducible nitric oxide synthase (iNOS) and NO production which are known to destroy the integrity of both cells and tissues. It also inhibits potent proinflammatory cytokine tumor necrosis factor-alpha (TNF-a) production. The blocking effects of NJ on cytopathic and proinflammatory actions of LPS might be caused by the induction of cytoprotective and anti-inflammatory genes HO-1 in macrophages cell line RAW 264.7 cells. The results in this study suggest NJ could be used for the amelioration of inflammation which is underlying mechanism responsible for most chronic diseases.
참고문헌 (30)
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