Cyclin D1/CDK4 mediate resistance to HER2 blockade in HER2+ breast cancer
CDK4/6 inhibition suppresses mTORC1, relieving inhibition of EGFR family kinases
Combined CDK4/6 and HER2 inhibition is effective in transgenic and PDX mouse models
CDK4/6 inhibitors delay tumor recurrence in a transgenic HER2+ breast cancer model