Cells on lockdown: long‐term consequences of CDK4/6 inhibition

Inhibition of cyclin-dependent kinases Cdk4/6 is emerging as a useful anti-proliferative chemotherapy, but it remains unclear how durable inhibition of cancer cell proliferation is achieved to promote a long-lasting response in patients, or how toxicity is limited to cancer cells with minimal side effects. Two recent papers in The EMBO Journal investigating senescence induction following prolonged Cdk4/6 inhibitor treatment now reveal important insights into ways to increase anti-tumour effects of Cdk4/6 inhibition and to reduce therapy-induced side effects of senescence induction.

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