Niche TWIST1 is critical for maintaining normal hematopoiesis and impeding leukemia progression.
Niche TWIST1 is critical for maintaining normal hematopoiesis and impeding leukemia progression.
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Niche TWIST1 对于维持正常造血和阻止白血病进展至关重要
DOI:
10.3324/haematol.2018.190652
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发表时间:
2018-12
期刊:
影响因子:
10.1
通讯作者:
Ma X
中科院分区:
文献类型:
--
作者:
Liu X;Ma Y;Li R;Guo D;Wang N;Zhao Y;Yin J;Ren Q;Lin Y;Ma X
The bone marrow microenvironment regulates normal and malignant hematopoiesis, but the underlying molecular mechanisms remain poorly defined. Using a chimeric mice model, we demonstrate that Twist1 deletion in the bone marrow microenvironment results in alteration of multiple niche cells as well as downregulated expression of major hematopoietic stem cell supportive factors. The perturbed microenvironment reduces hematopoietic stem cell homing and retention, impairs hematopoietic stem cell self-renewal and induces myeloid skewing. Nevertheless, it accelerates the progression of MLL-AF9 leukemia, which is partially mediated by Jagged-2-dependent Notch signaling. Our data provide the first demonstration of a pivotal role of TWIST1 in favoring normal hematopoiesis and hampering leukemia development. They also bring new insights into the role of the bone marrow niche in driving the development of acute myeloid leukemia, and suggest possible new avenues, exploiting the niche, to improve leukemia treatments.
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影响因子:
82.9
作者:
通讯作者:
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影响因子:
11.4
作者:
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DOI:
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发表时间:
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影响因子:
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