This image shows two red blood cells: a normal red blood cell (colored red in the background) and a red blood cell affected by sickle-cell anemia (in the foreground).

这幅图片显示了两种红血细胞：正常红血细胞(红色背景)和患有镰形细胞贫血症的红血细胞(前景)。

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Scientists have taken a potentially important step toward a therapy for sickle cell disease, a common genetic disorder characterized by malformed red blood cells.

科学家可能已经取得了镰状贫血病治疗技术的一项重大进步。镰状贫血病是一种造成血细胞畸形的常见遗传病。

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He then corrected the sickle-cell genetic defect and prodded the iPS cells to develop into the type of marrow stem cell that manufactures a mouse's blood cells.

接着，他修正了这些iPS细胞的镰刀形贫血遗传缺陷，并刺激这些iPS细胞分化发育成为能够制造小鼠红细胞的骨髓干细胞。

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Sickle cell disease, also called sickle cell anemia, is a genetic condition that deforms red blood cells.

VOA: special.2009.12.16