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MCL-1 gains occur with high frequency in lung adenocarcinoma and can be targeted therapeutically
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2022-01-08 14:33:41

MCL-1 gains occur with high frequency in lung adenocarcinoma and can be targeted therapeutically

Nat Commun. 2020 Sep 10;11(1):4527. doi: 10.1038/s41467-020-18372-1.

 

Evasion of programmed cell death represents a critical form of oncogene addiction in cancer cells. Understanding the molecular mechanisms underpinning cancer cell survival despite the oncogenic stress could provide a molecular basis for potential therapeutic interventions. Here we explore the role of pro-survival genes in cancer cell integrity during clonal evolution in non-small cell lung cancer (NSCLC). We identify gains of MCL-1 at high frequency in multiple independent NSCLC cohorts, occurring both clonally and subclonally. Clonal loss of functional TP53 is significantly associated with subclonal gains of MCL-1. In mice, tumour progression is delayed upon pharmacologic or genetic inhibition of MCL-1. These findings reveal that MCL-1 gains occur with high frequency in lung adenocarcinoma and can be targeted therapeutically.

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