Nature Communications (May 2020)

p85β regulates autophagic degradation of AXL to activate oncogenic signaling

  • Ling Rao,
  • Victor C. Y. Mak,
  • Yuan Zhou,
  • Dong Zhang,
  • Xinran Li,
  • Chloe C. Y. Fung,
  • Rakesh Sharma,
  • Chao Gu,
  • Yiling Lu,
  • George L. Tipoe,
  • Annie N. Y. Cheung,
  • Gordon B. Mills,
  • Lydia W. T. Cheung

DOI
https://doi.org/10.1038/s41467-020-16061-7
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 15

Abstract

Read online

p85β (PIK3R2), a regulatory subunit of PI3K, has oncogenic properties. Here the authors show that p85β promotes AXL protein stability, which in turn activates p110 to induce PDK1/SGK3 signaling, and therapeutically, p85β-expressing ovarian cancer cells are sensitive to AXL inhibition.