Purification and quantitative proteomic analysis of cell bodies and protrusions.

Purification and quantitative proteomic analysis of cell bodies and protrusions.
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DOI:
10.1016/j.xpro.2021.100462
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发表时间:
2021-06-18
期刊:
影响因子:
--
通讯作者:
Mardakheh FK
Mardakheh FK
中科院分区:
其他
文献类型:
--
作者:
Dermit M;Mardakheh FK

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Actin-rich protrusions are membrane extensions generated by actin polymerization that drive mesenchymal-like cell migration. Characterization of protrusions proteome is crucial for understanding their function. We present a complete step-by-step protocol based on microporous filter-based fractionation of protrusive cellular domains coupled with sample preparation for quantitative proteomics, mass spectrometric data acquisition, and data analysis. This protocol enables purification, quantification, and analysis of the distribution of proteins present in protrusions and cell bodies. For complete details on the use and execution of this protocol, please refer to. A protocol for quantitative analysis of protrusion proteomes Cell bodies and protrusions are isolated by transwell fractionation Fractions are analyzed by tandem mass tagging-based shotgun proteomics A step-by-step pipeline is provided for data analysis Actin-rich protrusions are membrane extensions generated by actin polymerization that drive mesenchymal-like cell migration. Characterization of protrusions proteome is crucial for understanding their function. We present a complete step-by-step protocol based on microporous filter-based fractionation of protrusive cellular domains coupled with sample preparation for quantitative proteomics, mass spectrometric data acquisition, and data analysis. This protocol enables purification, quantification, and analysis of the distribution of proteins present in protrusions and cell bodies.
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