A rapid, automated surface protein profiling of single circulating exosomes in human blood.

A rapid, automated surface protein profiling of single circulating exosomes in human blood.
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DOI:
10.1038/srep36502
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发表时间:
2016-11-07
期刊:
影响因子:
4.6
通讯作者:
Liu H
Liu H
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Kibria G;Ramos EK;Lee KE;Bedoyan S;Huang S;Samaeekia R;Athman JJ;Harding CV;Lötvall J;Harris L;Thompson CL;Liu H

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Circulating exosomes provide a promising approach to assess novel and dynamic biomarkers in human disease, due to their stability, accessibility and representation of molecules from source cells. However, this potential has been stymied by lack of approaches for molecular profiling of individual exosomes, which have a diameter of 30–150 nm. Here we report a rapid analysis approach to evaluate heterogeneous surface protein expression in single circulating exosomes from human blood. Our studies show a differential CD47 expression in blood-derived individual circulating exosomes that is correlated with breast cancer status, demonstrating a great potential of individual exosome profiles in biomarker discovery. The sensitive and high throughput platform of single exosome analysis can also be applied to characterizing exosomes derived from other patient fluids.
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