Natriumfusidat

BeschreibungFusidic 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.

VerwendenSodium 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.