汉德拉·布雷克菲尔德说：我们的这种原始的想法是基于肿瘤细胞会排出微泡，我们或许可以在血液中开到它。

"We kind of had this wild idea that because these tumor cells are just pouring [out microvesicles], maybe we can actually see it in the blood," Breakefield says.

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“16年就已经算是长期的实验了，”英国谢菲尔德大学的拉塞尔•汉德解释说。

"Sixteen years counts as a long term experiment," explains Russell Hand of the University of Sheffield in England.

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