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威康桑格研究所和剑桥大学的研究人员研究了低剂量辐射对小鼠食道的影响。科学家们发现，相当于三次CT扫描的低剂量、被认为是安全的辐射会使得能够致癌的细胞在健康组织中比正常细胞具有竞争优势。研究小组发现，低剂量的辐射会增加p53突变细胞的数量，这是一种众所周知的与癌症相关的基因变化。然而，在放疗前给小鼠服用抗氧化剂促进了健康细胞的生长，从而取代了p53突变细胞。相关研究结果于近日发表在《Cell Ste...
Taking aim at aggressive cancer cells--Researchers use novel stem-cell method to discover chemical with potency against breast tumors in mice
cancer cells stem-cell method breast tumors mice
2009/8/18
A team of researchers led by the Whitehead and Broad Institutes has discovered a chemical that works in mice to kill the rare but aggressive cells within breast cancers that have the ability to seed n...