The toxicological tests showed that it was an actual non toxic agent without stimulation to skin, accumulative toxicity and mutagenicity.
毒性检测结果表明属实际无毒类，对皮肤无刺激，无蓄积毒性和致突变性。
The next step for Wu and her colleagues is linking the non-invasive imaging advance with a treatment component, activating a toxic agent in the genetic payload to kill the spreading cancer cells.
Wu和她的同事的下一步工作是将先进的非侵入性成像技术和治疗环节联系在一起，激活导入的基因中的某一毒性物质来杀死扩散的癌细胞。
The next step for Wu and her colleagues is linking the non-invasive imaging advance with a treatment component, activating a toxic agent in the genetic payload to kill the spreading cancer cells.
Wu和她的同事的下一步工作是将先进的非侵入性成像技术和治疗环节联系在一起，激活导入的基因中的某一毒性物质来杀死扩散的癌细胞。
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