Journal
LEUKEMIA
Volume 21, Issue 10, Pages 2094-2102Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.leu.2404859
Keywords
ATP-binding-cassette transporter; hematopoietic stem cell; leukemic stem cell; acute myeloid leukemia; chronic myeloid leukemia
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ATP-binding-cassette (ABC) transporters are evolutionary extremely well-conserved transmembrane proteins that are highly expressed in hematopoietic stem cells (HSCs). The physiological function in human stem cells is believed to be protection against genetic damage caused by both environmental and naturally occurring xenobiotics. Additionally, ABC transporters have been implicated in the maintenance of quiescence and cell fate decisions of stem cells. These physiological roles suggest a potential role in the pathogenesis and biology of stem cell-derived hematological malignancies such as acute and chronic myeloid leukemia. This paper reviews the (patho) physiological role of ABC transporters in human normal and malignant HSCs and discusses its implications for their utility as therapeutical targets to eradicate leukemic stem cells in these diseases.
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