Nature Communications (Apr 2020)

Imaging small molecule-induced endosomal escape of siRNA

  • Hampus Du Rietz,
  • Hampus Hedlund,
  • Sten Wilhelmson,
  • Pontus Nordenfelt,
  • Anders Wittrup

DOI
https://doi.org/10.1038/s41467-020-15300-1
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 17

Abstract

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Therapeutic siRNA becomes trapped in endosomes, limiting its efficacy. Here the authors use fluorescently-tagged galectin-9 as a biosensor for membrane damage to monitor endosomal escape of cholesterol-conjugated siRNA following treatment of small molecule membrane-destabilising drugs.