Journal
LEUKEMIA
Volume 24, Issue 10, Pages 1676-1685Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/leu.2010.177
Keywords
acute lymphoblastic leukemia; IKAROS; relapse; CRLF2; JAK
Categories
Funding
- ALSAC/St Jude
- National Institutes of Health
- American Society of Hematology
- American Association of Cancer Research
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Acute lymphoblastic leukemia (ALL) is a heterogeneous disease comprising multiple subtypes with different genetic alterations and responses to therapy. Recent genome-wide profiling studies of ALL have identified a number of novel genetic alterations that target key cellular pathways in lymphoid growth and differentiation and are associated with treatment outcome. Notably, genetic alteration of the lymphoid transcription factor gene IKZF1 is a hallmark of multiple subtypes of ALL with poor prognosis, including BCR-ABL1-positive lymphoid leukemia and a subset of 'BCR-ABL1-like' ALL cases that, in addition to IKZF1 alteration, harbor genetic mutations resulting in aberrant lymphoid cytokine receptor signaling, including activating mutations of Janus kinases and rearrangement of cytokine receptor-like factor 2 (CRLF2). Recent insights from genome-wide profiling studies of B-progenitor ALL and the potential for new therapeutic approaches in high-risk disease are discussed. Leukemia (2010) 24, 1676-1685; doi:10.1038/leu.2010.177; published online 26 August 2010
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