The cancer stem cell hypothesis posits that tumors are derived from a single cancer-initiating cell with stem cell properties.

肿瘤干细胞学说表明肿瘤由一个具有干细胞特征的肿瘤始祖细胞分化而来。

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In this review we present scientific evidence supporting the cancer stem cell model of tumor progression, and discuss the experimental and therapeutic implications.

本文综述具有科学证据支持并与肿瘤进展相关的肿瘤干细胞模型，同时探讨该模型的在实验应用和临床治疗的价值。

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By blocking these cytokine signals, researchers hope that they can successfully target the cancer stem cell population providing a more effective treatment for breast cancer.

阻断这些细胞因子信号，研究人员希望能通过靶向肿瘤干细胞群，成功地提供一种更有效的乳腺癌治疗手段。

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The upshot of all this is that the stem-cell hypothesis of cancer growth looks a good one.

ECONOMIST: Cancer therapy

The first solid evidence implicating stem cells in cancer came in the early 1990s when John Dick, a stem cell researcher at the University of Toronto, developed a method for transplanting cancerous human bone marrow cells into mice.

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The other interesting aspect of the stem-cell link is that it was inspired by work outside the mainstream of the huge cancer-research industry: stem-cell research is now a huge field in its own right.

ECONOMIST: Medicine: Shooting down cancer | The