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- 2026年02月11日
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- 详细信息
- 文献和实验
- 技术资料
- 库存：
54
- 英文名：
RITA (NSC 652287)
- CAS号：
213261-59-7
- 供应商：
上海莼试
- 保存条件：
Store at -20°C
- 规格：
10mM (in 1mL DMSO) 5mg 10mg 25mg 50mg
| 货号 | CS-01Y66542 | 规格 | 10mM (in 1mL DMSO) 5mg 10mg 25mg 50mg |
| CAS号 | 213261-59-7 | 分子量 | 292.4 |
| 含量 | >98.00% | 别名 | |
| 分子式 | C14H12O3S2 | 化学名 | [5-[5-[5-(hydroxymethyl)thiophen-2-yl]furan-2-yl]thiophen-2-yl]methanol |
| 产地 | 国产 | 用途 | 仅供科研研究实验 |
分子式:C14H12O3S2
分子量:292.4
溶解度:≥ 14.6 mg/mL in DMSO, ≥ 9.84 mg/mL in EtOH with ultrasonic and warming
储存条件:Store at -20°C
General tips:For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.
Shipping Condition:Evaluation sample solution : ship with blue ice All other available size: ship with RT , or blue ice upon request
IC50: 2 nM and 20 nM for A-498 and TK-10, respectivelyA series of naturally occurring and synthetic compounds containing one or more thiophene moieties have been tested in the NCI Anticancer Drug Screen and have demonstrated differential antiproliferative activity. Thiophene derivatives as a class exhibit very similar patterns of differential sensitivity, the molecular basis for which is not clear. The compound 2,5-bis(5-hydroxymethyl-2-thienyl) furan (NSC 652287), is the most potent thiophene derivative and has been selected as the lead compound for mechanistic studies.In vitro: A number of cell lines showed a striking differential sensitivity to NSC 652287 when compared with the other cell lines in the panel, with GI50 values of 10–60 nM. The compound was found to decrease the initial number of cells by 50% (LC50) at a concentration of 100 nM in the A-498 cell line, compared with ~100 mM for the majority of the tumor cell lines. The A-498 and TK-10 cell lines were particularly sensitive to NSC 652287-induced cytotoxicity compared with ACHN and UO-31 cell lines [1].In vivo: NSC 652287 was evaluated against A-498 tumor cell xenografts grown subcutaneously in nude mice. When NSC 652287 was administered twice a day, all three doses resulted in complete tumor regression in 100% of the treated mice by the end of the third treatment period. The tumors did not regrow during the remaining 40 days of the study, and no gross evidence of toxicity was orved. Studies with xenografts derived from other sensitive cell lines including the renal CAKI-1, melanoma UACC-257, ovarian OVCAR-5, and colon HCC-2998, showed moderate or minimal in vivo activity [2].Clinical trials: Currenlty no clinical data are available.
注意事项：
抗逆滴加序列
每次向板内滴加抗原时，移液器滴头要与平面45度悬空，不要触碰到孔内的液体，由后向前依次滴加(即浓度由低往高滴加)。
抗感染反应期
抗原抗体在室温20~25℃下，必须反应30min以上，若环境温度低于室温，可将微量反应板置于恒温培养箱中，使二者充分反应。
旅游温度
磷酸盐缓冲液的pH值要在高压灭菌后进行滴定，往往在高压后pH值会有所改变，所以高压后再调一次pH值更为准确。磷酸盐缓冲液一经使用保存期不要超过3周。当pH<5.8时，红细胞会产生自凝现象;当pH>7.8时，图形洗脱加快，易造成肉眼观察产生误差;p H=7.2时，红细胞沉降最充分，图形最清晰。
当滴注 1%红细胞悬液时，应经常摇晃红细胞悬液，使红细胞均匀地分布在磷酸缓冲液中，以防止红细胞下降。
反应时间及温度
加入鸡红血球之后，反应板在室温(20~25℃)静置30~40min，对照孔血球下沉于孔底，即可判定结果。若室温达不到实验要求，需相应调整反应时间。当环境温度低于4℃时，红细胞发生自凝;高于37℃时，会发生反应物分离和红细胞溶血。
使用方法：
1.本蛋白酶抑制剂混合物为100×的储存液，使用时按照1:100的比例加入到裂解液中(例如，1ml裂解液中加入10μl蛋白酶抑制剂混合物)，混匀后即可使用。根据需要，0.5M的EDTA也按照1:100的比例加入到裂解液中（如用于检测金属蛋白酶活性，则不宜添加EDTA）。含有蛋白酶抑制剂混合物的裂解液宜现用现配，不宜配制后冻存待后续使用。
2. 待所需的抑制剂添加完毕混匀后，就可以开始进行哺乳动物组织的裂解和蛋白提取。
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