我们首先得做一个体外细胞培养实验，在动物模型中证明它的存在，然后开发出一种能影响突变基因产物的分子或蛋白质。

We have to do in-vitro cell culture experiments first, prove it in an animal model, and then develop a molecule or protein which will affect the mutated gene product.

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例如，在体外实验中，由胰腺肿瘤细胞系产生的外泌体具有自分泌作用可作用于自身身[10]。

For example exosomes produced by pancreatic tumor cell lines had an autocrine effect on themselves shown by in vitro experiments [10].

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研究设计：在体外实验中研究了低强度的脉冲超声对牛椎间盘细胞新陈代谢的作用。

Study Design. In vitro study on the effects of pulsed low intensity ultrasound on the cellular metabolism of bovine intervertebral disc cells.

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