Cycloheximide是一种蛋白生物合成 (protein synthesis) 的抑制剂, IC50值为532.5 nM。Cycloheximide (Naramycin A) 也是一种抗真菌 (antifungal) 素,Cycloheximide 还可抑制铁死亡 (ferroptosis) 并抑制自噬 (autophagy)。
别名:Naramycin A; Actidione; CHX; FT 3422-2; NM-MCD 80
Cycloheximide is an inhibitor of protein biosynthesis in eukaryotic organisms, produced by the bacterium Streptomyces griseus. Cycloheximide exerts its effect by interfering with the translocation step in protein synthesis (movement of two tRNA molecules and mRNA in relation to the ribosome) thus blocking translational elongation. Cycloheximide is widely used in biomedical research to inhibit protein synthesis in eukaryotic cells studied in vitro (i.e. outside of organisms). It is inexpensive and works rapidly. Its effects are rapidly reversed by simply removing it from the culture medium.
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分子量 | 281.35 |
分子式 | C15H23NO4 |
CAS号 | 66-81-9 |
溶解性(25°C) | DMSO ≥ 80 mg/mL Water 15 mg/mL (ultrasonic and warming) |
储存条件 | 4°C, protect from light |
运输方式 | 冰袋运输,根据产品的不同,可能会有相应调整。 |
*下述溶液配置方法仅为基于分子量计算出的理论值。不同产品在配置溶液前,需考虑其在不同溶剂中的溶解度限制。
Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
---|---|---|---|
1 mM | 3.5543 mL | 17.7715 mL | 35.5429 mL |
5 mM | 0.7109 mL | 3.5543 mL | 7.1086 mL |
10 mM | 0.3554 mL | 1.7771 mL | 3.5543 mL |
小鼠 | 大鼠 | 兔 | 豚鼠 | 仓鼠 | 狗 | |
重量 (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
体表面积 (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km 系数 | 3 | 6 | 12 | 8 | 5 | 20 |
动物 A (mg/kg) = 动物 B (mg/kg) × | 动物 B的Km系数 |
动物 A的Km系数 |
例如,依据体表面积折算法,将化合物用于小鼠的剂量20 mg/kg 换算成大鼠的剂量,需要将20 mg/kg 乘以小鼠的Km系数(3),再除以大鼠的Km系数(6),得到化合物用于大鼠的等效剂量为10 mg/kg。
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Alternariol monomethyl ether 是一种抗真菌植物毒性化合物。Alternariol monomethyl ether 抑制叶绿体中的电子传输链。Alternariol monomethyl ether 具有DNA链断裂活性。Alternariol monomethyl ether 抑制拓扑异构酶IIα活性。Alternariol monomethyl ether 在体外有活性。 |
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