计算溶液所需的质量、体积或浓度。
,适用于对基线干扰要求严格的色谱和分析工作流程。
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在色谱分析、有机合成和交叉偶联反应领域已被 2 篇同行评审文献引用。
YM155 (Sepantronium Bromide)是一种有效的survivin抑制药,通过抑制Survivin启动子活性而发挥作用,在HeLa-SURP-luc 和 CHO-SV40-luc细胞中IC50为0.54 nM;对SV40启动子活性抑制作用不显著,能够轻微抑制Survivin与XIAP相互作用。An inhibitor of survivin expression and apoptosis inducer.
Information
YM155 (Sepantronium Bromide) YM155 (Sepantronium Bromide) is a potent survivin suppressant by inhibiting Survivin promoter activity with IC50 of 0.54 nM in HeLa-SURP-luc and CHO-SV40-luc cells; does not significantly inhibit SV40 promoter activity, but
In vitro
YM155 is not sensitive to survivn gene promoter-driven luciferase reporter activity even at 30 μM. YM155 significantly inhibits endogenous survivin expression in PC-3 and PPC-1 human HRPC cells with deficient p53 through transcriptional inhibition of the survivin gene promoter. On the contrary YM155 shows no sufficient effect on protein expression of c-IAP2, XIAP, Bcl-2, Bcl-xL, Bad, α-actin, and β-tubulin at 100 nM. YM155 indicates great apoptosis in human cancer cell lines including PC-3 and PPC-1 with a concomitant increase in caspase-3 activity. YM155 potently inhibits human cancer cell lines (mutated or truncated p53) including PC-3, PPC-1, DU145, TSU-Pr1, 22Rv1, SK-MEL-5 and A375 with IC50 from 2.3 to 11 nM, respectively. YM155 increases the sensitivity of NSCLC cells to γ-radiation. The combination of YM155 and γ-radiation increases both the number of apoptotic cells and the activity of caspase-3. YM155 delays the repair of radiation-induced double-strand breaks in nuclear DNA.
In vivo
YM155 completely inhibits the tumor growth of PC-3 s.c. xenografted prostate tumors at doses of 3 and 10 mg/kg, without body weight loss and blood cell count decrease. Pharmacokinetic analysis shows that YM155 is highly distributed to tumor tissue. Moreover, YM155 shows 80% TGI at a dose of 5 mg/kg in PC-3 orthotopic xenografts. The combination therapy with YM155 and γ-radiation shows great antitumor activity against H460 or Calu6 xenografts in nude mice.
Cell Data
cell lines:
Concentrations:~ 100 nM
Incubation Time:48 hours
Powder Purity:≥96%
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| 批号(Lot Number) | 证书类型 | 货号 |
|---|---|---|
| 分析证书 | Y408082 |