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A new method for maturity-dependent fractionation of neutrophil progenitors applicable for the study of myelodysplastic syndromes

机译:中性粒细胞祖细胞成熟度分级分离的新方法,可用于研究骨髓增生异常综合症

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We applied our new method, maturity-dependent fractionation of bone marrow-derived neutrophil progenitors, to a study of gene expression profiles during granulopoiesis in myelodysplastic syndromes. CD34+ cells with low density [F1], CD11b-/CD16- [F2], CD11b+/CD16- [F3] and CD11b+/CD16low [F4] with intermediate density, CD11b+/CD16int [F5] and CD11b+/CD16high [F6] with high density were isolated from six patients. Although AML1 and C/EBP-? mRNA peaked at F1 and F4, respectively, in healthy individuals, C/EBP-? was maximized at F2/F3 in all patients, two of whom showed simultaneous peaks of AML1 at F2. Thus, this fractionation is useful to detect mistimed induction of granulopoiesis-regulating genes in myelodysplastic syndromes.
机译:我们应用了我们的新方法,即骨髓衍生的中性粒细胞祖细胞的成熟度依赖性分级,来研究骨髓增生异常综合征中粒细胞生成过程中的基因表达谱。低密度CD34 + 细胞[F1],CD11b - / CD16 - [F2],CD11b + / CD16 - [F3]和CD11b + / CD16 low [F4],中等密度,CD11b + / CD16从6例患者中分离出高密度的 int [F5]和CD11b + / CD16 high [F6]。虽然AML1和C / EBP-?在健康个体C /EBP-β中,mRNA分别在F1和F4处达到峰值。在所有患者中,F2 / F3均达到最大,其中两个在F2同时显示AML1高峰。因此,该分级对检测骨髓增生异常综合症中粒细胞生成调节基因的错误诱导是有用的。

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