They then observed a small percentage of stem-like cells in human ovarian cancer lines and in cells taken from ascites fluid that had accumulated within the abdomen of several ovarian cancer patients.
接着他们在人卵巢癌株和从腹水中取出的癌细胞中观察到很小比例的干细胞样细胞，腹水由取之数位卵巢癌患者的腹部积累而成。
These cells are termed cancer stem cells because, like normal stem cells, they possess the ability to self-renew and make differentiated progeny.
它们之所以像正常干细胞一样被冠以此名，是因为它们具有自我更新和形成分化子代的能力。
A second prediction is that breast cancer stem-like cells arise denovo from non-stem-like cells.
预测二，乳腺癌干细胞样细胞从非干细胞样细胞全新产生。
Further study show that glioblastoma cells contained a little cancer stem-like cells, which have capacity of self-renewal, differentiation and in vivo tumorigenecity.
且胶质瘤中的肿瘤干细胞有自我更新、多项分化以及致瘤能力。
The most common type of brain cancer-glioblastoma-is marked by the presence of these stem-cell-like brain cells, which, instead of triggering the replacement of damaged cells, form cancer tissue.
最常见的类型的脑癌即恶性胶质瘤以出现类似癌干细胞的脑细胞为特征，这些细胞不是替代损伤细胞，而是形成肿瘤。
Conclusion: 4t1 cells can grow and form spheres in serum-free suspension medium containing growth factor, and they contain breast cancer stem-like cells, which can be enriched when cultured in SFM.
结论：乳腺癌4t 1细胞可在含多种生长因子的SFM中悬浮生长并形成细胞球，4t1细胞中含有的乳腺癌干细胞样细胞可通过SFM培养法富集。
Conclusion: 4t1 cells can grow and form spheres in serum-free suspension medium containing growth factor, and they contain breast cancer stem-like cells, which can be enriched when cultured in SFM.
结论：乳腺癌4t 1细胞可在含多种生长因子的SFM中悬浮生长并形成细胞球，4t1细胞中含有的乳腺癌干细胞样细胞可通过SFM培养法富集。
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