The biology and function of exosomes in cancer.

外泌体在癌症中的生物功能。

Indeed, donor cells can re-uptake their secreted exosomes.

事实上，供体细胞可再吸收它们自身分泌的外泌体。

However, TYRP2 concentrations in exosomes did not differ between these three groups.

然而，三组人群血清胞外体中TYRP2的浓度没有无差异。

It is intriguing how the recipient cells uptake exosomes and how recipient cells are chosen.

受体细胞是如何摄取外泌体的并且受体细胞是如何被选择的是件有趣的事情。

The main challenges of using exosomes in cancer diagnosis are 1) sensitivity and specificity.

使用外泌体诊断癌症的主要挑战是：1）灵敏度和特异性。