In childhood acute lymphoblastic leukemia, blasts at different stages of immunophenotypic maturation have stem cell properties.

In childhood acute lymphoblastic leukemia, blasts at different stages of immunophenotypic maturation have stem cell properties.
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在儿童急性淋巴细胞白血病中,处于免疫表型成熟不同阶段的母细胞具有干细胞特性。

DOI:
10.1016/j.ccr.2008.05.015
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发表时间:
2008-07-08
期刊:
影响因子:
50.3
通讯作者:
Vormoor J
Vormoor J
中科院分区:
医学1区
文献类型:
--
作者:
le Viseur C;Hotfilder M;Bomken S;Wilson K;Röttgers S;Schrauder A;Rosemann A;Irving J;Stam RW;Shultz LD;Harbott J;Jürgens H;Schrappe M;Pieters R;Vormoor J

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我们检测了儿童急性淋巴细胞白血病不同成熟阶段原始细胞的白血病干细胞潜能。将人白血病骨髓移植到NOD/scid小鼠体内。从患者样品和移植小鼠中分离使用B前体分化标志物CD 19、CD 20和CD 34分选的细胞,然后连续移植到原代或后续(直至四代)受体中。令人惊讶的是,代表所有不同成熟阶段的原始细胞能够在体内重建和重新建立完整的白血病表型。分类的原始细胞群反映了正常的B前体细胞,转录了许多阶段适当的基因。这些观察为儿童ALL中白血病增殖干细胞的模型提供了信息。
We examined the leukemic stem cell potential of blasts at different stages of maturation in childhood acute lymphoblastic leukemia. Human leukemic bone marrow was transplanted intrafemorally into NOD/scid mice. Cells sorted using the B precursor differentiation markers CD19, CD20 and CD34 were isolated from patient samples and engrafted mice before serial transplantation into primary or subsequent (up to quaternary) recipients. Surprisingly, blasts representative of all the different maturational stages were able to reconstitute and re-establish the complete leukemic phenotype in vivo. Sorted blast populations mirrored normal B precursor cells with transcription of a number of stage-appropriate genes. These observations have informed a model for leukemia-propagating stem cells in childhood ALL.
DOI: 10.1038/nm1253
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期刊: NATURE MEDICINE
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