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. 2014 Jan 1;28(1):58–70. doi: 10.1101/gad.232009.113

Figure 6.

Figure 6.

A proposed model in which c-MYC-driven lymphoma cells that are highly dependent on MCL-1 for their sustained expansion can no longer survive once MCL-1 expression is reduced and the balance between this prosurvival protein and the p53 proapoptotic targets PUMA/NOXA is disturbed. The c-MYC-driven lymphoma cells that have acquired p53 mutations display an accelerated lymphoma progression. These lymphomas express less PUMA/NOXA, and, consequently, less MCL-1 expression is required to maintain the lymphoma progression. Despite this, we showed that targeting of MCL-1 in lymphomas with p53 mutations was sufficient to result in tumor regression. Note that the mouse protein nomenclature is used.