Patients with estrogen receptor positive breast cancer (ER + BC) treated with palbociclib (CDK4/6 inhibitor) frequently develop resistance. Here, the authors identify a reliance of palbociclib resistance on oxidative phosphorylation (OXPHOS) and therapeutically target this vulnerability using an OXPHOS inhibitor, restoring sensitivity in ER + BC preclinical models.
- Rania El-Botty
- Ludivine Morriset
- Elisabetta Marangoni