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JoVE Journal
Biochemistry
增强组织样品使用组合前体同位素标记和标记等压的复用(cPILOT)
增强组织样品使用组合前体同位素标记和标记等压的复用(cPILOT)
JoVE Journal
Biochemistry
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JoVE Journal Biochemistry
Enhanced Sample Multiplexing of Tissues Using Combined Precursor Isotopic Labeling and Isobaric Tagging (cPILOT)

增强组织样品使用组合前体同位素标记和标记等压的复用(cPILOT)

Full Text
7,414 Views
09:06 min
May 1, 2017

DOI: 10.3791/55406-v

Christina D. King1, Joseph D. Dudenhoeffer1, Liqing Gu2, Adam R. Evans3, Renã A. S. Robinson1

1Department of Chemistry,University of Pittsburgh, 2SGS North America Inc., 3Large Molecule Analytical Development, Pharmaceutical Development & Manufacturing Science,Janssen Research and Development

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

合并前体同位素标记和等压标记(cPILOT)是定量蛋白质组学战略,增强同量异位标记的样品复用能力。这个协议描述cPILOT的对组织从阿尔茨海默氏病小鼠模型中和野生型对照的应用。

这种增强型多重检测方法的总体目标是增加可同时分析的蛋白质样品数量,同时减少样品误差和仪器时间。该方法可以帮助回答衰老、神经退行性疾病、其他与年龄相关的疾病和癌症领域与发病机制、进展、诊断、预后和治疗靶点相关的关键问题。该技术的主要优点是可以生成许多条件下蛋白质变化的全面快照。

虽然这种方法可以在小鼠模型中提供对阿尔茨海默病的见解,但它也可以应用于阿尔茨海默病或一系列其他疾病患者的组织样本。通常,刚接触这种方法的人会发现它具有挑战性,因为在短时间内需要同时处理多个样本。当我们认识到乙酰化可以与蛋白质硝化的同工标记相结合时,我们第一次有了这种方法的想法,这促使我们在全球范围内使该技术适用于所有肽。

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