Hsa-miR-30e-3p inhibits influenza B virus replication by targeting viral NA and NP genes

Kritsada Khongnomnan1,2, Suthat Saengchoowong1, Oraphan Mayuramart3

  • 1Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand.

Insights

MicroRNAs, like miR-30e-3p, can target influenza B virus genes to inhibit replication. This discovery offers potential for novel miRNA-based therapeutics against influenza B virus infection.

Area of Science:

  • Virology
  • Molecular Biology
  • Genetics

Background:

  • Influenza B virus, an Orthomyxoviridae family member, causes annual global infections.
  • MicroRNAs (miRNAs) are small non-coding RNAs regulating gene expression and cellular responses to viral infections.
  • Previous studies indicated miR-30e-3p upregulation in response to influenza B virus.

Purpose of the Study:

  • To investigate the role of miR-30e-3p in influenza B virus infection.
  • To determine if miR-30e-3p directly targets influenza B virus genes.
  • To assess the potential of miR-30e-3p as a therapeutic agent against influenza B virus.

Main Methods:

  • In silico prediction analysis to identify potential miRNA targets.
  • In vitro experiments to validate miRNA-target interactions.
  • Replication assays to measure the effect of miR-30e-3p on influenza B virus.

Main Results:

  • miR-30e-3p was confirmed to directly target the NA and NP genes of influenza B virus.
  • Overexpression of miR-30e-3p significantly inhibited influenza B virus replication.
  • In silico and in vitro data supported the inhibitory role of miR-30e-3p.

Conclusions:

  • miR-30e-3p directly targets and inhibits the replication of influenza B virus.
  • This miRNA holds promise as a potential therapeutic strategy for influenza B virus infections.
  • Further research into miRNA-based therapies for influenza is warranted.