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Cancer Research
用可寻址滴微阵列计算单细胞中的蛋白质
用可寻址滴微阵列计算单细胞中的蛋白质
JoVE Journal
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JoVE Journal Cancer Research
Counting Proteins in Single Cells with Addressable Droplet Microarrays

用可寻址滴微阵列计算单细胞中的蛋白质

Full Text
8,990 Views
12:25 min
July 6, 2018

DOI: 10.3791/56110-v

Stelios Chatzimichail*1, Pashiini Supramaniam*1, Oscar Ces1, Ali Salehi-Reyhani1

1Institute of Chemical Biology, Department of Chemistry,Imperial College London

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

在这里, 我们提出了可寻址的液滴微阵列 (ADMs), 一种能够确定单细胞中绝对蛋白质丰度的液滴数组方法。我们展示了 ADMs 的能力来表征肿瘤抑制蛋白 p53 在人类癌细胞系中表达的异质性。

本实验的总体目标是确定具有单细胞分辨率的靶蛋白的绝对蛋白质拷贝数。单细胞技术将能够更好地了解蛋白质的行为,因为它与中心法则有关,并有助于准确定量受控基因表达。在单细胞水平上工作可以捕获细胞群的丰富异质性,否则这些异质性会因传统生化技术发生的平均而丢失。

通常,由于单细胞检测的敏感性或每个细胞中的蛋白质量有限,刚接触这种方法的个体会遇到困难。当我们希望进行一种可以轻松采样以进行进一步分析的单细胞蛋白质检测时,我们首先想到了这种方法。按照文本方案中的说明,通过制作芯片和打印抗体微阵列来开始此过程。

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