The theory is that because these stem cells are fetal cells, they are designed to proliferate and give rise to new tissue, which means they have the potential to produce tumors.
由于那些干细胞来自胎儿，它们本来就是要通过自身繁殖来形成新的人体组织，因此理论上它们具有产生肿瘤的潜在可能。
It will take further experiments to prove the theory and to demonstrate that what's true of stem cells in hair follicles is true of other types of stem cells.
需要进行进一步实验证明该理论，并证明对毛囊中干细胞的正确理论同样适用于其他类型的干细胞。
In theory stem cells offer the hope of growing new tissues to order, yet in reality, many challenges remain.
理论上，干细胞可以生长出新组织，但在实际中还存在许多挑战。
The difficulties stem from the fact that the interaction between elementary particles and fields is really too violent for a satisfactory theory to be set up.
这些困难来源于这样一个事实：基本粒子和场之间的相互作用对于要建立一个符合要求的理论来说显得过于强烈了。
The theory of cancer stem cell proposes that the tumor tissue has its own cancer stem cells in it and regards cancer stem cell as the key to regeneration, metastasis and recurrence.
肿瘤干细胞学说认为，肿瘤组织中也存在少量具有干细胞性质的肿瘤干细胞，肿瘤干细胞是肿瘤发生、转移和复发的关键。
Such stem cells, then, are as bad as theory suggests they should be. The question is, can they be eradicated?
这些干细胞如此邪恶，正如之前理论所说的。问题的核心在于，到底能不能把它们根除？
Any stem cell treatment filed with the EMEA later this year could, in theory, become commercially in 2011.
理论上，今年后期提交给emea的任何一项干细胞治疗都会在2011年上市。
A dynamic model for maize stem is established, a formula about critical force of maize stem is extracted by using dynamic theory and method.
建立了玉米茎秆的力学模型，利用力学理论和方法，给出了玉米茎秆临界力的具体表达式。
Challenges have been proposed to the classical theory of origin cells of glioma, since the successful researches on neural stem cells and tumor stem cells.
神经干细胞和胶质瘤干细胞的研究成功，对早有定论的胶质瘤起源细胞学说发出了挑战。
According to the theory, we tend to assume that other people's faults stem from internal, fundamental flaws. But we attribute our own faults to temporary environmental factors.
根据该理论，人们往往会把别人犯的错误归咎于其内在的劣根性，而把自己犯的错误归咎于临时性的外部因素。
Stem flow gauge can measure plant flow rate directly. In this paper, we have evaluated the value of the instrument through farmland experiment and theory calculation.
通过田间试验及理论计算，验证了对茎流计在测量作物蒸腾方面的实用价值。
Considering the complex influence factors for the failure of drill stem, an analytic model for failure of drill stem based on support vector machine and cluster analysis theory was established.
针对钻具失效影响因素比较复杂的问题，建立了基于支持向量机和聚类分析理论的钻具失效原因分析模型。
The theory of stem cells is widely used in many fields of medicine.
干细胞的用途很广泛，涉及医学许多领域。
The Stem Cell Theory of Renewal proposes that stem cells are naturally released by the bone marrow and travel via the bloodstream toward tissues to promote the body's natural process of renewal.
干细胞再生理论认为，干细胞可以从骨髓中自然释放出来并通过血流循环到组织中从而促进机体的自然再生。
Objective: To explore the theory of the influence on the proliferation and differentiation of neural stem cells after acupuncture at Renand Dumeridians.
目的：从理论上探讨针刺任督脉对脑缺血神经干细胞增殖与分化的影响。
It is always a tough issue for both our road management department and theory field that how to solve the problem of investment and financing of common main stem road.
如何解决普通干线公路的投融资问题，是一直困扰着我国公路主管部门和理论界的难题。
The experiment, the first reported cloning of human stem cells, means the so-called therapeutic cloning is no longer a theory but a reality.
这是首次报告的克隆人类干细胞的试验，它意味着所谓的治疗性克隆已不再是一种理论，而是现实。
In theory, stem cells treat disease by replacing damaged or diseased cells.
理论上，干细胞可通过替换受损或病变的细胞来治疗疾病。
In theory, stem cells treat disease by replacing damaged or diseased cells.
理论上，干细胞可通过替换受损或病变的细胞来治疗疾病。
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