共 45 条
Loss of the Alox5 gene impairs leukemia stem cells and prevents chronic myeloid leukemia
被引:256
作者:

Chen, Yaoyu
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Massachusetts, Sch Med, Dept Med, Div Hematol Oncol, Worcester, MA 01605 USA Univ Massachusetts, Sch Med, Dept Med, Div Hematol Oncol, Worcester, MA 01605 USA

Hu, Yiguo
论文数: 0 引用数: 0
h-index: 0
机构: Univ Massachusetts, Sch Med, Dept Med, Div Hematol Oncol, Worcester, MA 01605 USA

Zhang, Haojian
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h-index: 0
机构:
Univ Massachusetts, Sch Med, Dept Med, Div Hematol Oncol, Worcester, MA 01605 USA Univ Massachusetts, Sch Med, Dept Med, Div Hematol Oncol, Worcester, MA 01605 USA

Peng, Cong
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h-index: 0
机构:
Univ Massachusetts, Sch Med, Dept Med, Div Hematol Oncol, Worcester, MA 01605 USA Univ Massachusetts, Sch Med, Dept Med, Div Hematol Oncol, Worcester, MA 01605 USA

Li, Shaoguang
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Massachusetts, Sch Med, Dept Med, Div Hematol Oncol, Worcester, MA 01605 USA Univ Massachusetts, Sch Med, Dept Med, Div Hematol Oncol, Worcester, MA 01605 USA
机构:
[1] Univ Massachusetts, Sch Med, Dept Med, Div Hematol Oncol, Worcester, MA 01605 USA
基金:
美国国家卫生研究院;
关键词:
SELF-RENEWAL;
BCR-ABL;
CANCER;
5-LIPOXYGENASE;
PATHWAYS;
MICE;
IDENTIFICATION;
PROGENITORS;
EXPRESSION;
GROWTH;
D O I:
10.1038/ng.389
中图分类号:
Q3 [遗传学];
学科分类号:
071007 ;
090102 ;
摘要:
Targeting of cancer stem cells is believed to be essential for curative therapy of cancers, but supporting evidence is limited. Few selective target genes in cancer stem cells have been identified. Here we identify the arachidonate 5-lipoxygenase (5-LO) gene (Alox5) as a critical regulator for leukemia stem cells (LSCs) in BCR-ABL-induced chronic myeloid leukemia (CML). In the absence of Alox5, BCR-ABL failed to induce CML in mice. This Alox5 deficiency caused impairment of the function of LSCs but not normal hematopoietic stem cells (HSCs) through affecting differentiation, cell division and survival of long-term LSCs (LT-LSCs), consequently causing a depletion of LSCs and a failure of CML development. Treatment of CML mice with a 5-LO inhibitor also impaired the function of LSCs similarly by affecting LT-LSCs, and prolonged survival. These results demonstrate that a specific target gene can be found in cancer stem cells and its inhibition can completely inhibit the function of these stem cells.
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页码:783 / U37
页数:11
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