Journal
JOURNAL OF CLINICAL ONCOLOGY
Volume 29, Issue 5, Pages 591-599Publisher
AMER SOC CLINICAL ONCOLOGY
DOI: 10.1200/JCO.2010.31.0904
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Funding
- American Cancer Society [RSG-06-054-01-LIB]
- Department of Defense [W81XWH-07-1-0601]
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Acute myelogenous leukemia is propagated by a subpopulation of leukemia stem cells (LSCs). In this article, we review both the intrinsic and extrinsic components that are known to influence the survival of human LSCs. The intrinsic factors encompass regulators of cell cycle and prosurvival pathways (such as nuclear factor kappa B [NF-kappa B], AKT), pathways regulating oxidative stress, and specific molecular components promoting self-renewal. The extrinsic components are generated by the bone marrow microenvironment and include chemokine receptors (CXCR4), adhesion molecules (VLA-4 and CD44), and hypoxia-related proteins. New strategies that exploit potentially unique properties of the LSCs and their microenvironment are discussed. J Clin Oncol 29:591-599. (c) 2011 by American Society of Clinical Oncology
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