第二,山中所使用的基因中,至少有一种被认为会诱发癌症,事实也很快证明,由诱导性万能干细胞发育而成的小鼠有极大概率罹患肿瘤。
Second, at least one of the genes Yamanaka used was known to trigger cancer, and indeed it soon became clear that mice grown from iPSCs frequently developed tumors.
很难说一种干预方式,施予一段相对较长的介于接受诱导剂和诱发疾病之间的诱导治疗期,可以预防肿瘤。
It is difficult to show that an intervention prevents cancer, given the relatively long induction phase between exposure to an inducing agent and development of disease.
目的观察听觉诱发电位指数在全麻诱导插管期间的变化,评价其用于临床麻醉深度监测的有效性。
Objective To observe the changes of auditory evoked potentials index(AEPI)during induction and tracheal intubation and evaluate its effectiveness on anaesthesia depth monitoring.
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