Abstract

ABSTRACTMLN4924, a small molecular inhibitor of NEDD8 (neuronal precursor cell-expressed developmentally downregulated protein 8) activating enzyme (NAE), blocks cullin neddylation to inactivate cullin-RING ligase. We found that MLN4924 has additional activities: it triggers EGFR dimerization and activation of RAS/MAPK and PI3K/AKT1 signals to stimulate tumor sphere formation and inhibit ciliogenesis; and it triggers PKM2 tetramerization to promote glycolysis.

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