Polygalacin D
作者：齊岳
發布時間：2023-08-30
09:00:19
點擊數：
產品名稱：Polygalacin D
產品描述：
| 植物來源 | 天然產物 > 遠志科 > 遠志屬 |
| 結構類型 | 天然產物 > 萜類 |
| 產品描述 | Polygalacin D shows anti- proliferation, anti-inflammary, and hepatoprotective activities, it can inhibit the expression of lipopolysaccharide (LPS)-induced iNOS and COX-2 protein and mRNA without an appreciable cytotoxic effect on RAW 264.7 macrophages, and can suppress induction by LPS of pro-inflammatory cytokines such as prostaglandin E2 (PGE2). |
| 體外活性 | In this study, we investigated the effects of seven platycodin saponins on the activities of inducible nitric oxide synthase (iNOS) and cyclooxygenase II (COX-2) in lipopolysaccharide (LPS)-induced RAW 264.7 macrophages. We found that 2"-O-acetyl Polygalacin D (S1), platycodin A (S2), platycodin D (S3), and Polygalacin D (S6) inhibited LPS-induced NO production in a concentration-dependent manner. Furthermore, these compounds inhibited the expression of LPS-induced iNOS and COX-2 protein and mRNA without an appreciable cytotoxic effect on RAW 264.7 macrophages, and could suppress induction by LPS of pro-inflammatory cytokines such as prostaglandin E2 (PGE2). Treatment with these compounds of RAW 264.7 cells transfected with a reporter construct indicated a reduced level of LPS-induced nuclear factor-kappaB (NF-kappaB) activity and effectively lowered NF-kappaB binding as measured by electrophoretic mobility shift assay (EMSA). The suppression of NF-kappaB activation appears to occur through the prevention of inhibitor kappaB (IkappaB) degradation. In vivo, platycodin saponin mixture (PS) and S3 protected mice from the lethal effects of LPS. The 89% lethality induced by LPS/galactosamine was reduced to 60% and 50% when PS and S3, respectively, were administered simultaneously with LPS[1] |
| 分子量 | 1209.4 |
| 分子式 | C57H92O27 |
| CAS No. | 66663-91-0 |
存儲
Powder: -20°C for 3 years | In solvent: -80°C for 2 years
溶解度
DMSO: 55 mg/ml (45.48 mM)
( < 1 mg/mL refers to the product slightly soluble or insoluble )
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