PUBLICATION

Design and Biological Evaluation of Furan/Pyrrole/Thiophene-2-carboxamide Derivatives as Efficient DNA GyraseB Inhibitors of Staphylococcus aureus

Authors
Janupally, R., Medepi, B., Brindha Devi, P., Suryadevara, P., Jeankumar, V.U., Kulkarni, P., Yogeeswari, P., Sriram, D.
ID
ZDB-PUB-170214-224
Date
2015
Source
Chemical Biology & Drug Design   86: 918-25 (Journal)
Registered Authors
Kulkarni, Pushkar
Keywords
DNA gyrase, Staphylococcus aureus, biofilm, cytotoxicity
MeSH Terms
  • Animals
  • DNA Gyrase/metabolism*
  • Furans/chemistry
  • Furans/pharmacology
  • Furans/toxicity
  • Humans
  • Models, Molecular
  • Pyrroles/chemistry
  • Pyrroles/pharmacology
  • Pyrroles/toxicity
  • Staphylococcal Infections/drug therapy
  • Staphylococcal Infections/microbiology
  • Staphylococcus aureus/drug effects*
  • Staphylococcus aureus/enzymology*
  • Thiophenes/chemistry*
  • Thiophenes/pharmacology*
  • Thiophenes/toxicity
  • Topoisomerase II Inhibitors/chemistry*
  • Topoisomerase II Inhibitors/pharmacology*
  • Topoisomerase II Inhibitors/toxicity
  • Zebrafish
PubMed
25619742 Full text @ Chem. Biol. Drug Des.
Abstract
DNA topoisomerases are well-validated targets in micro-organisms. DNA gyraseB is one of the most important enzymes among them as per their clinical importance. In earlier study, a novel lead 4-((4-(furan-2-carboxamido)phenyl)amino)-4-oxobutanoic acid was identified as inhibitor against DNA gyraseB with an IC50 of 12.88 ± 1.39 μm. Subsequently, analogues of this lead were developed and evaluated through in vitro assays and in vivo studies. Among the 24 analogues, compound 22 was found to be the top hit with an improved DNA gyraseB activity of 5.35 ± 0.61 μm, and the binding affinity of this compound was further ascertained biophysically through differential scanning fluorimetry. The most potent ligand did not show any signs of cardiotoxicity in zebra fish ether-ago-go-related gene, ascertaining the safety profile of this series a breakthrough among the previously reported cardiotoxic gyraseB inhibitors.
Genes / Markers
Figures
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Antibodies
Orthology
Engineered Foreign Genes
Mapping