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題 名 | Anti-Inflammatory Principles from Balanophora laxiflora=穗花蛇菰的抗發炎成分研究 |
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作 者 | 邱文慧; 沈建昌; 林麗純; | 書刊名 | Journal of Food and Drug Analysis |
卷 期 | 19:4 2011.12[民100.12] |
頁 次 | 頁502-508+541 |
分類號 | 418.52 |
關鍵詞 | 穗花蛇菰; 異落葉松樹脂醇; 一氧化氮; TNF-α; NF-κB; Balanophora laxiflora; Isolariciresinol; Nitric oxide; NO; |
語 文 | 英文(English) |
英文摘要 | Eighteen known compounds, including lignans, phenylpropanoids, triterpenoids, and phytosterols, were isolated from Balanophora laxiflora (Balanophoraceae). The inhibitory activities of these compounds on the production of nitric oxide (NO), a pro-inflammatory mediator, were evaluated. Compounds isolariciresinol (1), ethyl caffeate (13) and ferulic aldehyde (16) showed potent to mild inhibitory activities on LPS-stimulated NO production in RAW 264.7 macrophages with IC50 values of 0.81, 7.29, and 98.67 μM, respectively. The results showed that compound 1 had a potent effect on TNF-α production with an IC50 value of 0.87 μM, but practically no effect on IL-6 synthesis. In addition, an inhibitory effect of compound 1 on nuclear factor-κB (NF-κB) activation was shown by the repression of LPS-stimulated β-lactamase reporter activity. Taken together, these results demonstrated that compound 1 modulates the production of inflammatory mediators through the attenuation of NF-κB transcription signaling. |
本系統中英文摘要資訊取自各篇刊載內容。