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Methyl brevifolincarboxylate, a novel influenza virus PB2 inhibitor from Canarium Album (Lour.) Raeusch.

Fangzhao ChenLuoping YangLingyan ZhaiYingna HuangFeimin ChenWenjun DuanJie Yang
Published in: Chemical biology & drug design (2020)
Methyl brevifolincarboxylate (MBC) was isolated from ethyl acetate extract of Canarium album (Lour.) Raeusch. The structure was identified, and the effect on influenza A virus infection was evaluated. MBC exhibited inhibitory activity against influenza virus A/Puerto Rico/8/34 (H1N1) and A/Aichi/2/68 (H3N2) with IC50 values of 27.16 ± 1.39 μM and 33.41 ± 2.34 μM. Mechanism studies indicated that MBC inhibited the replication of influenza A virus by targeting PB2 cap-binding domain. Our results demonstrated MBC was a potent PB2 cap-binding inhibitor and represented as a new type of promising lead compound for the development of anti-influenza virus drugs from natural products.
Keyphrases
  • heavy metals
  • aqueous solution
  • anti inflammatory
  • oxidative stress
  • binding protein
  • dna binding
  • ionic liquid
  • drug induced
  • case control