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AIM: To evaluate quantitatively and qualitatively the different CD34+cell subsets after priming by chemotherapy granulocyte colony-stimulating factor(± G-CSF)in patients with acute myeloid leukemia.METHODS: Peripheral blood and bone marrow sampleswere harvested in 8 acute myeloid leukemia patients during and after induction chemotherapy. The CD34/CD38 cell profile was analyzed by multi-parameter flow cytometry. Adhesion profile was made using CXC chemokine receptor 4(CXCR4)(CD184), VLA-4(CD49d/CD29) and CD47.RESULTS: Chemotherapy ± G-CSF mobilized immature cells(CD34+CD38 population), while the more mature cells(CD34+CD38lowand CD34+CD38+populations) decreased progressively after treatment. Circulating CD34+cells tended to be more sensitive to chemotherapy after priming with G-CSF. CD34+cell mobilization was correlated with a gradual increase in CXCR4 and CD47expression, suggesting a role in cell protection and the capacity of homing back to the marrow.CONCLUSION: Chemotherapy ± G-CSF mobilizes into the circulation CD34+bone marrow cells, of which, the immature CD34+CD38-cell population. Further manipulations of these interactions may be a means with which to control the trafficking of leukemia stem cells to improve patients’ outcomes.
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篇名 Mobilization of CD34~+CD38~- hematopoietic stem cells after priming in acute myeloid leukemia
来源期刊 世界干细胞杂志:英文版(电子版) 学科 医学
关键词 Acute MYELOID LEUKEMIA LEUKEMIA stem cell IMMUNOPHENOTYPE PRIMING TIMED sequential chemotherapy
年,卷(期) 2013,(4) 所属期刊栏目
研究方向 页码范围 196-204
页数 9页 分类号 R733.7
字数 语种
DOI
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研究主题发展历程
节点文献
Acute
MYELOID
LEUKEMIA
LEUKEMIA
stem
cell
IMMUNOPHENOTYPE
PRIMING
TIMED
sequential
chemotherapy
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
世界干细胞杂志:英文版(电子版)
月刊
1948-0210
北京市朝阳区东四环中路62号楼远洋国际中
出版文献量(篇)
526
总下载数(次)
0
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0
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