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59319-72-1

中文名称 禁止进口
英文名称 ERYTHROMYCIN A DIHYDRATE
CAS 59319-72-1
分子式 C37H67NO13.H2O
分子量 751.945
MOL 文件 59319-72-1.mol
59319-72-1 结构式 59319-72-1 结构式

基本信息

中文别名
禁止进口
红霉素 A 二水合物
英文别名
ERYTHROMYCIN A, DIHYDRATE VETRANAL
所属类别
分析化学:离子色谱试剂

物理化学性质

熔点197.6 °C
形态neat

安全数据

WGK Germany2
RTECS号KF4375000

常见问题列表

生物活性
Erythromycin dihyrate 是由放线菌产生的大环内酯类抗生素 (antibiotic),具有广泛的抗菌活性。Erythromycin dihyrate 通过结合细菌的 50S 核糖体亚基而起作用,并通过阻断转肽和/或易位反应来抑制 RNA 依赖性蛋白 (RNA-dependent protein synthesis) 的合成,而不会影响核酸的合成。
体外研究

Erythromycin dihyrate inhibits growth of P. falciparum with IC 50 and IC 90 values of 58.2 μM and 104.0 μM, respectively.

体内研究

Mice of the ddY strain began to receive Erythromycin dihyrate 7 days after inoculation of EAC cells, and CDF mice begins to receive Erythromycin dihyrate immediately after inoculation of P388 cells. Erythromycin dihyrate (gastric intubation; 0.1-50 mg/kg; 30-120 days) decreases tumor growth from the dose of 5 mg/kg, mice receiving 1-10 mg/kg of Erythromycin dihyrate survives much longer than control mice, Only 10% of mice treated with 5 mg/kg of Erythromycin dihyrate had no evidence of tumor formation on day 60, and the mice are alive even at 120 days after inoculation. However, treatment with 50 mg/kg of Erythromycin dihyrate shortens mean survival time in tumorbearing mice by 4-5 days when it compares to controls.

Animal Model: Female ddY mice at the age of 6 weeks with EAC cells or CDF mice at the age of 6 weeks with P388 cells
Dosage: 0.1 mg/kg; 0.5 mg/kg; 10 mg/kg; 30 mg/kg; 50 mg/kg
Administration: Gastric intubation; 30-120 days
Result: Decreased tumor growth and prolonged the mean survival time of mice from the dose of 5 mg/kg, however, the 50 mg/kg dosage shortens the MST in tumorbearing mice.
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