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

You can see that it would be problem here if the gene that you were trying to give to the cancer cells also went to normal cells-- that would be a problem.

这确实是个问题,如果我们想导入癌细胞的自杀基因,也能进入正常细胞,那问题就大了

耶鲁公开课 - 生物医学工程探索课程节选

"And what we found is that a protein called ferroportin that removes iron from cells, that eliminates iron from cells, was markedly reduced in breast cancers when compared to normal breast cells.

VOA: standard.2010.08.05