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- 文献和实验
- 技术资料
- 保存条件:
Powder: -20°C, 3 years; 4°C, 2 years. In solvent: -80°C, 6 months; -20°C, 1 month.
- 库存:
货期:1-2天
- 供应商:
MedChemExpress LLC
- CAS号:
26833-85-2
- 规格:
10 mM * 1 mL/1 mg/5 mg/10 mg
| 规格: | 10 mM * 1 mL | 产品价格: | ¥936.0 |
|---|---|---|---|
| 规格: | 1 mg | 产品价格: | ¥365.0 |
| 规格: | 5 mg | 产品价格: | ¥800.0 |
| 规格: | 10 mg | 产品价格: | ¥1200.0 |
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Harringtonine
CAS No. : 26833-85-2
MCE 国际站:Harringtonine
产品活性:Harringtonine是一种天然的 Cephalotaxus 生物碱,可抑制蛋白质合成。Harringtonine 具有抗基孔肯雅 (CHIKV) 病毒的活性,EC50 为 0.24 μM。
研究领域:Anti-infection
作用靶点:Influenza Virus
In Vitro: Harringtonine inhibits the elongation phase of translation by preventing substrate binding to the acceptor site on the 60-S ribosome subunit and therefore block aminoacyl-tRNA binding and peptide bond formation. Harringtonine displays potent inhibition of Chikungunya virus infection with an EC50 of 0.24 μM. Harringtonine could inhibit other alphaviruses. Harringtonine inhibits the growth of human myeloid leukemia cells in vitro at low concentrations. The mechanism of the antitumor action of harringtonine is considered to be an effect on protein synthesis and is characterized by breakdown of polysomes to monosomes.
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文献和实验。 不良反应有骨髓抑制及胃肠道反应。 三尖杉酯碱 三尖杉酯碱(harringtonine)从三尖杉属植物的枝、叶和树皮中提取而得。其作用机制是抑制蛋白质合成的起步阶段,并使核蛋白体分解,释出新生肽链,但对mRNA或tRNA与核蛋白体的结合并无阻抑作用。 它对急性粒细胞白血病疗效较好,对急性单核细胞白血病也有效。只作缓慢静脉滴注用。不良反应有白细胞减少及胃肠道反应,也有心率加快、心肌缺血等。 L-门冬酰胺酶 L-门冬酰胺是重要氨基酸,某些肿瘤细胞不能自行
,10~30次为一疗程。 长春碱(vinblastin)静脉注射,0.2mg/kg/次,每周一次,总量60~80mg为一疗程。 长春新碱(vincristin)静脉注射,0.02mg/kg/次,每周一次,总量20~30mg为一疗程。 三尖杉酯碱(harringtonine)静脉滴注0.1~0.2mg/kg/日,7日为一疗程,停2周后再用。 L-门冬酰胺酶(L-asparaginase)肌内或静脉注射,20~200u/kg/次,每日或隔日一次,10~20次为一疗程。用药
碱(vinblastin)静脉注射,0.2mg/kg/次,每周一次,总量60~80mg为一疗程。 长春新碱(vincristin)静脉注射,0.02mg/kg/次,每周一次,总量20~30mg为一疗程。 三尖杉酯碱(harringtonine)静脉滴注0.1~0.2mg/kg/日,7日为一疗程,停2周后再用。 L-门冬酰胺酶(L-asparaginase)肌内或静脉注射,20~200u/kg/次,每日或隔日一次,10~20次为一疗程。用药前皮内注射10~50u作过敏试验,观察3小时
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