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- 详细信息
- 文献和实验
- 技术资料
- 库存:
9999
- 规格:
10mg
货号:M2236
储存条件:粉末-20°C可保存3年;液体-80°C可保存12月。
产品描述
Topotecan, a water-soluble semisynthetic analogue of the alkaloid camptothecin, is a potent Topoisomerase I inhibitor. Topotecan could stabilize topoisomerase I-DNA cleavable complexes in radiation-resistant human B-lineage acute lymphoblastic leukemia cells. Exposure to 50 or 100nM Topotecan for 5 days induced apoptotic cell death of radiation-resistant RS4;ll leukemia cells despite of the high levels of bcl-2 protein, without change in bcl-2 protein levels. Infusion with 200μg or 400μg Topotecan could enhance the survival ratio of SClD mice inoculated with RS4;ll. LC1:19, or NALM-6 leukemia cells. Topotecan showed more potency against neuroblastoma cell viability with amplification of MYCN, due to the disruption of B-MYB-MYCN axis and selective down-regulation of B-Myb and MycN expression by Topotecan in IMR-32, Kelly, LAN-5 and SK-N-BE 2 cells.
产品信息
CAS号 |
119413-54-6 |
|
分子式 |
C23H24CIN3O5 |
|
分子量 |
457.91 |
|
别名 |
Topotecan hydrochloride |
|
溶解度 |
DMSO |
100.0 mg/mL (218.4 mM) warming |
Water |
3.0 mg/mL(6.6 mM) warming |
|
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文献和实验4℃ 25℃ 37℃ 8.1 7.5 7.2 8.
0.05mol/L Tris-HCl缓冲液(pH7.19~9.10)
pH 0.2mol/L Tris(ml) 0.2mol/L HCl(ml) H2 O
【求助】着急,不知道10mmol/L的Tris-HCl(pH8.0)如何配制?
ilovelc999 很着急,不知道10mmol/L的Tris-HCl(pH8.0)如何配制?有哪位知道吗?麻烦告诉我一下好吗。 mybbff 先配成10mM的,水先不要加足,调节pH到8.0后再定容到预定体积。 ilovelc999 恩,知道啦,多谢版主! wangbingying66 1.称取1.211g Tris 2.加800ml去离子
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