Erythromycin (aspartate)

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Erythromycin (aspartate) 

Erythromycin aspartate 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 aspartate 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。Erythromycin aspartate 在不同领域的研究中显示出抗肿瘤特性和保护神经的作用。

Erythromycin (aspartate)

Erythromycin (aspartate) Chemical Structure

CAS No. : 30010-41-4

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Erythromycin (aspartate) 的其他形式现货产品:

Erythromycin

生物活性

Erythromycin aspartate is a macrolide antibiotic produced by actinomycete Streptomyces erythreus with a broad spectrum of antimicrobial activity. Erythromycin aspartate binds to bacterial 50S ribosomal subunits and inhibits RNA-dependent protein synthesis by blockage of transpeptidation and/or translocation reactions, without affecting synthesis of nucleic acid[1][2]. Erythromycin aspartate also exhibits antitumor and neuroprotective effect in different fields of research[3][4].

IC50 & Target

Bacterial; RNA-dependent protein synthesis[1]
体外研究
(In Vitro)

Erythromycin aspartate inhibits growth of P. falciparum with IC50 and IC90 values of 58.2 μM and 104.0 μM, respectively[1].
Erythromycin aspartate (10 μM, 100 μM; 24 h, 72 h) shows antioxidant and anti-inflammatory effects and suppresses the accumulation of 4-HNE (p<0.01) and 8-OHdG (p<0.01), reduces Iba-1 (p<0.01) and TNF-α (p<0.01) expression significantly[4].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

Cell Viability Assay[4]

Cell Line: Embryos primary cortical neuron (from the cerebral cortices of 17-day-old Sprague-Dawley rat)
Concentration: 10, 100 μM
Incubation Time: 24, 72 hours
Result: Improved the viability of cultured neuronal cells in vitro after 3 hours oxygen-glucose deprivation (OGD).

体内研究
(In Vivo)

Erythromycin aspartate (gastric intubation; 0.1-50 mg/kg; 30-120 days) decreases tumor growth and prolong the survival time of mice from dose of 5 mg/kg in mice[3].
Erythromycin aspartate (gastric intubation; 5 mg/kg) protects mice alive even at 120 days after inoculation, but shortens mean survival time in tumor-bearing mice by 4-5 days with dose of 50 mg/kg[3].
Erythromycin aspartate (i.h.; single injection; 50 mg/kg) has a protective effect on the rat model with cerebral ischemia reperfusion-injury[4].

Shanghai Jinpan Biotech Co Ltd has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: Female ddY mice (6-week-old) with EAC cells or CDF mice (6-week-old) with P388 cells[3]
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 shortened the MST in tumorbearing mice.
Animal Model: Male Sprague-Dawley rats (8-week-old, 250-300 g)[4]
Dosage: 50 mg/kg
Administration: Subcutaneous single injection
Result: Reduced infarct volume and edema volume, improved neurological deficit.

分子量

867.03

Formula

C41H74N2O17
CAS 号

30010-41-4
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
参考文献

  • [1]. Gribble MJ, et al. Erythromycin. Med Clin North Am. 1982 Jan;66(1):79-89.

    [2]. Nakornchai S, et al. Activity of azithromycin or erythromycin in combination with antimalarial drugs against multidrug-resistant Plasmodium falciparum in vitro. Acta Trop. 2006 Dec. 100(3):185-91.

    [3]. Hamada K, et al. Antitumor effect of erythromycin in mice. Chemotherapy. 1995 Jan-Feb. 41(1):59-69.

    [4]. Katayama Y, et al. Neuroprotective effects of erythromycin on cerebral ischemia reperfusion-injury and cell viability after oxygen-glucose deprivation in cultured neuronal cells. Brain Res. 2014 Nov 7. 1588:159-67.

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