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HomeProduct name listSodium fusidate

Sodium fusidate

Synonym(s):Fucidin;Fusidic acid sodium salt

  • CAS NO.:751-94-0
  • Empirical Formula: C31H49NaO6
  • Molecular Weight: 540.72
  • MDL number: MFCD00865135
  • EINECS: 212-030-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-19 23:02:33
Sodium fusidate Structural

What is Sodium fusidate?

Description

Fusidic acid is a fusidane antibiotic originally isolated from F. coccineum. It is active against the Gram-positive bacteria S. aureus, S. pyogenes, C. diphtheriae, B. subtilis, and C. tetani (MIC50s = 0.01-20 μg/ml) but not the Gram-negative bacteria E. coli, S. typhimurium, and P. vulgaris or the fungi C. albicans and A. fumigatus (MIC50s = >100 μg/ml for all). Fusidic acid inhibits ribosomal recycling and protein translocation, processes mediated by elongation factor G (EF-G), in isolated E. coli ribosomes (IC50s = ~0.1 and ~200 μM, respectively). Topical administration of fusidic acid (2%) reduces the number of skin colony forming units (CFUs) and levels of TNF-α and IL-6 in a mouse model of methicillin-resistant S. aureus (MRSA) skin wound infection.

Chemical properties

White or almost white, crystalline powder, slightly hygroscopic.

The Uses of Sodium fusidate

Sodium fusidate is the more water soluble sodium salt of fusidic acid, a steriodal metabolite of Fusidum coccineum which is a potent Gram positive antibiotic. Fusidic acid inhibits protein synthesis in prokaryotes by inhibiting the ribosome-dependent activity of G factor and translocation of peptidyl-tRNA. Fusidic acid also suppresses NO lysis of pancreatic islet cells.

The Uses of Sodium fusidate

Antibacterial;Protein synthesis inhibitor GTPase coupled

The Uses of Sodium fusidate

Sodium fusidate is the more water soluble sodium salt of fusidic acid, a steroidal metabolite of Fusidum coccineum which is a potent Gram positive antibiotic. Fusidic acid inhibits protein synthesis in prokaryotes by inhibiting the ribosome-dependent activity of G factor and translocation of peptidyl-tRNA. Fusidic acid also suppresses NO lysis of pancreatic islet cells.

What are the applications of Application

Fusidic acid sodium salt is an antibiotic, nitric oxide suppressor, and protein synthesis inhibitor

brand name

Fucidine (Bristol-Myers Squibb).

General Description

Fusidic acid is an antibiotic substance, resembling the structure of a steroid. It belongs to the class of fusidanes.

Biochem/physiol Actions

Fusidic acid possesses antimicrobial action against skin pathogens. It is highly specific to Staphylococcus aureus. It is therefore used for treating infected traumatic wounds, folliculitis, furunculosis, impetigo, erythrasma and abscesses.

Clinical Use

Antibacterial agent

in vitro

resistance to fusidic acid in s. aureus strains was selected and mutations were identified in the fusa gene, which encodes ef-g. fusidic acid could not bind to free ef-g, but rather to ef-g gtp in the complex with ribosome, suggesting that the antibiotic required a specific conformation of ef-g for binding. biochemically, fusidic acid permited ribosome-stimulated gtp hydrolysis by ef-g, but prevented the associated conformational changes in ef-g, and therefore prevented ef-g turnover by stabilizing ef-g gdp on the ribosome. fusidic acid did not work on eukaryotes, but sordarin was considered to similarly act on yeast ef2 and was used to assemble ef2-80s yeast ribosome complexes for cryo-em analysis [1].

in vivo

animal study found that fusidic acid sodium salt was well absorbed after oral administration and it could significantly reduce the diabetes incidence in bb rats. fusidic acid sodium salt substantially accumulated more in female rats which might refult from the steroid structure of fusidin [2].

Drug interactions

Potentially hazardous interactions with other drugs
Antivirals: concentration of both drugs increased in combination with ritonavir and saquinavir - avoid with ritonavir.
Statins: increased risk of myopathy with simvastatin and atorvastatin especially in diabetics. Avoid with simvastatin and for 7 days after last dose.1

Metabolism

Fusidic acid is excreted in the bile, almost entirely as metabolites, some of which have weak antimicrobial activity.
Approximately 2% appears unchanged in the faeces.

References

[1] wilson, d. n. the a-z of bacterial translation inhibitors. crit. rev. biochem. mol. biol. 44(6), 393-433 (2009).
[2] hageman i, buschard k. antidiabetogenic effect of fusidic acid in diabetes prone bb rats: a sex-dependent organ accumulation of the drug is seen. pharmacol toxicol. 2002 sep;91(3):123-8.

Properties of Sodium fusidate

Melting point: >200°C (dec.)
storage temp.  Keep in dark place,Inert atmosphere,2-8°C
solubility  H2O: soluble
form  neat
form  Solid
color  White to Off-White
Water Solubility  Soluble in water
Sensitive  Moisture & Light Sensitive
Merck  13,4339
CAS DataBase Reference 751-94-0(CAS DataBase Reference)

Safety information for Sodium fusidate

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H302:Acute toxicity,oral

Computed Descriptors for Sodium fusidate

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