Nature Communications (Oct 2016)

Chemoproteomic profiling reveals that cathepsin D off-target activity drives ocular toxicity of β-secretase inhibitors

  • Andrea M. Zuhl,
  • Charles E. Nolan,
  • Michael A. Brodney,
  • Sherry Niessen,
  • Kevin Atchison,
  • Christopher Houle,
  • David A. Karanian,
  • Claude Ambroise,
  • Jeffrey W. Brulet,
  • Elizabeth M. Beck,
  • Shawn D. Doran,
  • Brian T. O’Neill,
  • Christopher W. am Ende,
  • Cheng Chang,
  • Kieran F. Geoghegan,
  • Graham M. West,
  • Joshua C. Judkins,
  • Xinjun Hou,
  • David R. Riddell,
  • Douglas S. Johnson

DOI
https://doi.org/10.1038/ncomms13042
Journal volume & issue
Vol. 7, no. 1
pp. 1 – 14

Abstract

Read online

Several β-secretase (BACE) inhibitors exhibit unexplained ocular toxicity in preclinical studies. Here the authors generate a clickable photoaffinity probe to interrogate off-targets in cells and animals, and identify inhibition of cathepsin D as a driver of ocular toxicity.