Normal stem cells in the marrow form three main cell-types: Red cells, platelets and white cells.

正常的骨髓干细胞分化形成三种主要细胞类型：红细胞，血小板和白细胞。

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These cancer stem cells share many characteristics with normal stem cells, including self-renewal and differentiation.

这些癌症干细胞与正常的干细胞有许多共同的特点，包括自我更新和分化。

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This article reviews the relationship and regulatory mechanism between normal stem cells and epithelial tumor stem cells.

现综述近年来有关上皮干细胞和肿瘤发生的关系及其调控机制方面的研究进展。

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The doctor also says researchers could be able to limit the number of cells that can form tumors if they limit the number of normal stem cells.

VOA: special.2010.06.01

Since the protein needed to transform 5-fluorocytosine could only be churned out by souped-up stem cells, only the gliomas were exposed to the poison, killing them but sparing normal tissue, which the stem cells ignored.

ECONOMIST: Cancer treatment

He has found that stem cells, harvested from the brains of normal rats and injected into those suffering from brain cancer, will home in on gliomas within days of their introduction.

ECONOMIST: Cancer treatment