Product Data Sheet

Celastramycin A

Catalog No. A47189

main product photo
Celastramycin A is an antibiotic derived from Streptomyces MaB-QuH-8, known for its significant antimicrobial activity against a variety of gram-negative bacteria and mycobacteria, with minimum inhibitory concentrations (MICs) ranging from 0.05 to 3.1 μg/ml. This compound exhibits immunosuppressive effects, evidenced by its ability to modulate immune responses in ex vivo Drosophila and human models, demonstrating an IC50 of 0.008 μg/ml through the immune deficiency pathway and inhibiting TNF-α signaling. Additionally, Celastramycin A effectively reduces IL-8 production in human umbilical vein endothelial cells (HUEVCs), with an IC50 of 0.06 μg/ml, making it a valuable tool for research in microbial resistance and immune modulation.
Chemical Information
Catalog NumA47189
M. Wt390.69
FormulaC17H18Cl3NO3
Purity>98%
Storageat -20 °C 3 years (powder form); at -20 °C 6 months (Solution base)
CAS No.188988-62-7
Synonyms
SMILESO=C(C1=C(O)C(CCCCCC)=CC(Cl)=C1O)C2=CC(Cl)=C(Cl)N2
Biological Activity
DescriptionCelastramycin A is an antibiotic derived from Streptomyces MaB-QuH-8, known for its significant antimicrobial activity against a variety of gram-negative bacteria and mycobacteria, with minimum inhibitory concentrations (MICs) ranging from 0.05 to 3.1 μg/ml. This compound exhibits immunosuppressive effects, evidenced by its ability to modulate immune responses in ex vivo Drosophila and human models, demonstrating an IC50 of 0.008 μg/ml through the immune deficiency pathway and inhibiting TNF-α signaling. Additionally, Celastramycin A effectively reduces IL-8 production in human umbilical vein endothelial cells (HUEVCs), with an IC50 of 0.06 μg/ml, making it a valuable tool for research in microbial resistance and immune modulation.
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