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Medicine
一种改进沉淀法来隔离尿外来体
一种改进沉淀法来隔离尿外来体
JoVE Journal
Medicine
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JoVE Journal Medicine
A Modified Precipitation Method to Isolate Urinary Exosomes

一种改进沉淀法来隔离尿外来体

Full Text
18,054 Views
05:05 min
January 16, 2015

DOI: 10.3791/51158-v

Rupesh Kanchi Ravi1, Mahdieh Khosroheidari1, Johanna K. DiStefano1

1Diabetes, Cardiovascular and Metabolic Diseases Division,Translational Genomics Research Institute (TGen)

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Please note that some of the translations on this page are AI generated. Click here for the English version.

这份手稿描述了一种使用改良沉淀技术从人尿液中分离外泌体的方案。

该程序的总体目标是设计一种改良的外泌体沉淀方法,为从尿液中分离外泌体提供一种快速、可扩展且有效的替代方案。这是通过首先通过离心从尿液样本中去除大死细胞和细胞碎片,然后将含有尿液外泌体的 snat 转移到新管中来实现的。在第二步中,将沉淀溶解在含有 DTT 的分离溶液中,以去除 TAM 马跌落蛋白。

然后在进一步离心后,将不含 TP 的上清液与 exo quick TC 试剂孵育过夜,以便在第二天沉淀外泌体。将 exo quick TC 试剂处理的样品最后一次离心以获得外泌体沉淀。最终,可以对外泌体进行下游过程,例如 Western blot 和实时 QPCR,以识别感兴趣的生物标志物。

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