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.
- Ling Rao
- Victor C. Y. Mak
- Lydia W. T. Cheung