ECSASB2 mediates MLL degradation during hematopoietic differentiation.

  title={ECSASB2 mediates MLL degradation during hematopoietic differentiation.},
  author={Jingya Wang and Andrew G. Muntean and Jay L. Hess},
  volume={119 5},
Mixed lineage leukemia (MLL) is a key epigenetic regulator of normal hematopoietic development and chromosomal translocations involving MLL are one of the most common genetic alterations in human leukemia. Here we show that ASB2, a component of the ECS(ASB) E3 ubiquitin ligase complex, mediates MLL degradation through interaction with the PHD/Bromodomain region of MLL. Forced expression of ASB2 degrades MLL and reduces MLL transactivation activity. In contrast, the MLL-AF9 fusion protein does… CONTINUE READING


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