4.7 Review

Acute promyelocytic leukaemia: novel insights into the mechanisms of cure

Journal

NATURE REVIEWS CANCER
Volume 10, Issue 11, Pages 775-783

Publisher

NATURE PORTFOLIO
DOI: 10.1038/nrc2943

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Funding

  1. Ligue Nationale contre le Cancer, France
  2. Institut Universitaire de France, France
  3. Institut National du Cancer, France
  4. European Economic community, National High Tech Program for Biotechnology of China, the Chinese National Key Basic Research Project, China
  5. National Natural Science Foundation of China, the Key Discipline Program of Shanghai Municipal Education Commission, China

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The fusion oncogene, promyelocytic leukaemia (PML)-retinoic acid receptor-alpha (RARA), initiates acute promyelocytic leukaemia (APL) through both a block to differentiation and increased self-renewal of leukaemic progenitor cells. The current standard of care is retinoic acid (RA) and chemotherapy, but arsenic trioxide also cures many patients with APL, and an RA plus arsenic trioxide combination cures most patients. This Review discusses the recent evidence that reveals surprising new insights into how RA and arsenic trioxide cure this leukaemia, by targeting PML-RAR alpha for degradation. Drug-triggered oncoprotein degradation may be a strategy that is applicable to many cancers.

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