冬凌草乙素 T2S1975

Product Introduction
Bioactivity


英文名: Ponicidin

描述: Ponicidin (Rubescensine B) 是来源于冬凌草的一种二萜，具有免疫调节、抗炎、抗病毒和抗癌作用。它可诱导胃癌细胞凋亡，降低 JAK2 和 STAT3 的磷酸化水平。

体外活性: K562 cells in culture medium in vitro were given different concentrations of Ponicidin (10-50 micromol x L(-1)) for 24, 48, and 72 h. The inhibitory rate of the cells was measured by MTT assay, cell apoptotic rates were detected by flow cytometry (FCM) using Annexin V staining after K562 cells were treated with different concentrations of Ponicidin for 72 hours, and cell morphology was observed by Wright-Giemsa staining. Ponicidin (over 30 micromol x L(-1)) could inhibit the growth of K562 cells in both time- and dose-dependent manner. FCM analysis revealed that apoptotic cells were gradually increased in a dose-dependent manner after treatment for 72 hours, and that marked morphological changes of cell apoptosis such as condensation of chromatin was clearly observed by Wright-Giemsa staining after treatment by 50 micromol x L(-1) Ponicidin. Furthermore, Western blotting also showed that expression of p-AKT and p-P85 in PI3K/AKT signaling pathways was downregulated dramatically whereas the expression of p-P38, as well as p-ERK and p-JNK, remained unchanged after the cells were treated by PON for 48 h.

存储条件: Powder: -20°C for 3 years | In solvent: -80°C for 1 year

溶解度: DMSO : 250 mg/mL (689.81 mM)


关键字: inhibit | Apoptosis | Inhibitor | Ponicidin

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注：该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案，不可用于临床诊断或治疗等相关用途