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Area of Science:

  • Natural Product Chemistry
  • Medicinal Chemistry
  • Enzymatic Synthesis

Background:

  • Furanolides are natural products with diverse bioactivities, including antibiotic and cytotoxic effects.
  • Low natural abundance and difficulty in synthesis limit the study of furanolide structure-activity relationships (SARs).

Purpose of the Study:

  • To develop a cost-effective enzymatic method for generating furanolide analogs.
  • To evaluate the antimicrobial and cytotoxic activities of novel furanolide derivatives.
  • To explore the SARs of furanolides for drug discovery.

Main Methods:

  • Development of a one-pot enzymatic toolbox for rapid furanolide analog synthesis.
  • Systematic evaluation of antimicrobial activity against Gram-positive pathogens.
  • Assessment of cytotoxicity against the A549 lung cancer cell line, including lung cancer stem cells.

Main Results:

  • Successfully generated hundreds of furanolide structural analogs using the enzymatic toolbox.
  • Identified several furanolide derivatives with significant cytotoxicity, particularly against lung cancer stem cells.
  • Observed promising antibacterial activity in certain analogs against *Staphylococcus aureus*.

Conclusions:

  • The enzymatic toolbox facilitates efficient exploration of furanolide chemical space.
  • Furanolide derivatives show potential as anticancer agents, especially for lung cancer.
  • Furanolides represent a promising scaffold for developing new antibiotics.