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Cited by 208

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Evaluation of Multiprotein Immunoaffinity Subtraction for Plasma Proteomics and Candidate Biomarker Discovery Using Mass Spectrometry

Open access
Liu, Tao, Qian, Wei-Jun, Mottaz, Heather M., Gritsenko, Marina A., Norbeck, Angela D., Moore, Ronald J., Purvine, Samuel O., Camp, David G., Smith, Richard D.·2006·Molecular & Cellular Proteomics

Abstract

Strategies for removal of high abundance proteins have been increasingly utilized in proteomic studies of serum/plasma and other body fluids to enhance the detection of low abundance proteins and achieve broader proteome coverage; however, both the reproducibility and specificity of the high abundance protein depletion process still represent common concerns. Here we report a detailed evaluation of immunoaffinity subtraction performed applying the ProteomeLab IgY-12 system that is commonly used in human serum/plasma proteome characterization in combination with high resolution LC-MS/MS. Plasma samples were repeatedly processed using this approach, and the resulting flow-through fractions and bound fractions were individually analyzed for comparison. The removal of target proteins by the immunoaffinity subtraction system and the overall process was highly reproducible. Non-target proteins, including one spiked protein standard (rabbit glyceraldehyde-3-phosphate dehydrogenase), were also observed to bind to the column at different levels but also in a reproducible manner. The results suggest that multiprotein immunoaffinity subtraction systems can be readily integrated into quantitative strategies to enhance detection of low abundance proteins in biomarker discovery studies.

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Metadata

Authors
Liu, T., Qian, W.-J., Mottaz, H. M., Gritsenko, M. A., Norbeck, A. D., Moore, R. J., Purvine, S. O., Camp, D. G., & Smith, R. D.
Venue
Molecular & Cellular Proteomics
Publisher
Elsevier BV
Published
2006-11
Volume
5
Issue
11
Pages
2167-2174
ISSN
1535-9476 (ISSN-L)
OpenAlex
W2125468516
Cited by
208
References
2
FWCI
9.62
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Evaluation of Multiprotein Immunoaffinity Subtraction for Plasma Proteomics and Candidate Biomarker Discovery Using Mass Spectrometry. https://app.cochat.ai/papers/10.1074/mcp.t600039-mcp200
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Liu, T., Qian, W.-J., Mottaz, H. M., Gritsenko, M. A., Norbeck, A. D., Moore, R. J., Purvine, S. O., Camp, D. G., & Smith, R. D. (2006). Evaluation of Multiprotein Immunoaffinity Subtraction for Plasma Proteomics and Candidate Biomarker Discovery Using Mass Spectrometry. Molecular & Cellular Proteomics. https://doi.org/10.1074/mcp.t600039-mcp200

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