But this is the first-known case of a brain tumor caused by a brain stem cell therapy, according to the report-a phenomenon scientists have predicted in the pages of Scientific American and elsewhere.
这是人们确知的第一例由于脑内干细胞疗法而导致的脑肿瘤，据报告称科学家之前就预言过这种现象，并在科学美国人杂志和其他地方发表过相关文章。
Though brain tumor stem cells are low proportion in tumor tissue, they are the key for maintaining malignance.
但其在肿瘤组织中所占的比例很低，却是肿瘤保持恶性特征的关键所在。
There is overwhelming evidence that the tumor clone including brain tumor is heterogeneous with respect to both morphology and function, which indicates differentiation potential of tumor stem cells.
大量事实表明，包括脑肿瘤在内，所有肿瘤细胞群落之间在形态和功能上存在很大差异，其异质性与肿瘤干细胞的分化潜能有关。
Objective To investigate the effects of BCNU on the proliferation and cell cycle of stem cells from human brain tumor.
目的：探讨卡莫司汀对人脑肿瘤干细胞在细胞增殖及细胞周期方面的影响。
Objective To pursue the changes of cell morphology, expression of differentiation related markers, and proliferation cycles of brain tumor stem cells (BTSCs) after differentiation in vitro.
目的探讨脑肿瘤干细胞(BTSC)在体外分化过程中的细胞形态、分化相关标志物表达和增殖动力学变化，为进一步研究BTSC分化走向提供实验依据。
The main influential factors on surgical results were whether presence of encasement of the basilar artery and its branches and of the arachnoidal cleavage plane between the tumor and the brain stem.
肿瘤不能全切除和出现严重并发症的主要原因是肿瘤包裹了基底动脉及其分支以及肿瘤破坏了软脑膜使肿瘤与脑干间失去界面。
"Cataloging brain tumor stem cells will be an enormous tool for patient diagnosis, " explains Dr.
研究人员表示，对脑瘤干细胞的分类目录将成为患者诊断的强大工具。
Conclusions The degree of dissection of giant petroclival meningioma is correlated with tumor nature, blood supply, and adherence to the brain stem.
结论巨大型岩斜脑膜瘤患者的肿瘤切除情况与手术入路的选择无明显相关性。
Importantly, a significant over-expression of these molecules were found in the brain tumor stem cells.
但重要的是，脑肿瘤干细胞中这些分子呈现显著的过表达。
We show that endothelial cells interact closely with self-renewing brain tumor cells and secrete factors that maintain these cells in a stem cell-like state.
我们的研究表明内皮细胞与能够自我更新的脑肿瘤细胞之间存在密切的交互作用，并且能够分泌细胞因子来维持这些细胞的干细胞状态。
We show that endothelial cells interact closely with self-renewing brain tumor cells and secrete factors that maintain these cells in a stem cell-like state.
我们的研究表明内皮细胞与能够自我更新的脑肿瘤细胞之间存在密切的交互作用，并且能够分泌细胞因子来维持这些细胞的干细胞状态。
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