1. Anti-infection
  2. Bacterial
    Antibiotic
  3. Erythromycin A dihydrate

Erythromycin A dihydrate 

Cat. No.: HY-B0220E
Handling Instructions

Erythromycin A dihydrate is a macrolide antibiotic produced by actinomycete Streptomyces erythreus with a broad spectrum of antimicrobial activity. Erythromycin A dihydrate 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 A dihydrate also exhibits antitumor and neuroprotective effect in different fields of research[3][4].

For research use only. We do not sell to patients.

Erythromycin A dihydrate Chemical Structure

Erythromycin A dihydrate Chemical Structure

CAS No. : 59319-72-1

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Description

Erythromycin A dihydrate is a macrolide antibiotic produced by actinomycete Streptomyces erythreus with a broad spectrum of antimicrobial activity. Erythromycin A dihydrate 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 A dihydrate also exhibits antitumor and neuroprotective effect in different fields of research[3][4].

IC50 & Target

Bacterial; RNA-dependent protein synthesis[1]

In Vitro

Erythromycin A dihydrate inhibits growth of P. falciparum with IC50 and IC90 values of 58.2 μM and 104.0 μM, respectively[1].
Erythromycin A dihydrate (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].

MCE 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).
In Vivo

Erythromycin A dihydrate (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 A dihydrate (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 A dihydrate (i.h.; single injection; 50 mg/kg) has a protective effect on the rat model with cerebral ischemia reperfusion-injury[4].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

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[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.
Clinical Trial
Molecular Weight

769.96

Formula

C37H71NO15

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Storage

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

Purity & Documentation
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Erythromycin A dihydrate
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HY-B0220E
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