Representative LC/UV chromatogram under typical analytical conditions (C18 column; mobile phase: 5–100% ACN / H2O (0.05% H3PO4), linear gradient 20 min; flow rate: 0.2 mL/min; detection: 210 nm).
NMR Spectral Data
Representative 1H NMR (500 MHz) spectrum confirming the structure of 10,11-Dehydrocurvularin. Representative 13C NMR (125 MHz) spectrum supporting structural assignment of 10,11-Dehydrocurvularin.
Source Organism
Aspergillus sp.
Summary
10,11-Dehydrocurvularin is a benzenediol lactone macrolide that suppresses NLRP3 inflammasome activation.
Details
10,11-Dehydrocurvularin is a 12-membered benzenediol lactone (BDL) macrolide produced by diverse fungal species as a secondary metabolite. It selectively inhibits NLRP3 inflammasome activation by interfering with the NEK7-NLRP3 interaction, resulting in reduced caspase-1 activation and diminished IL-1β secretion. The C=C double bond at positions 10,11 is essential for its inflammasome inhibitory activity. Beyond anti-inflammatory effects, 10,11-dehydrocurvularin exhibits cytotoxic and antitumor activities, making it a valuable scaffold for inflammasome biology and inflammation-related drug discovery.