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TRIC: an automated alignment strategy for reproducible protein quantification in targeted proteomics

Open access
Röst, Hannes L, Liu, Yansheng, D'Agostino, Giuseppe, Zanella, Matteo, Navarro, Pedro, Rosenberger, George, Collins, Ben C, Gillet, Ludovic, Testa, Giuseppe, Malmström, Lars, Aebersold, Ruedi·2016·Nature Methods

Abstract

Next-generation mass spectrometric (MS) techniques such as SWATH-MS have substantially increased the throughput and reproducibility of proteomic analysis, but ensuring consistent quantification of thousands of peptide analytes across multiple liquid chromatography–tandem MS (LC-MS/MS) runs remains a challenging and laborious manual process. To produce highly consistent and quantitatively accurate proteomics data matrices in an automated fashion, we developed TRIC (http://proteomics.ethz.ch/tric/), a software tool that utilizes fragment-ion data to perform cross-run alignment, consistent peak-picking and quantification for high-throughput targeted proteomics. TRIC reduced the identification error compared to a state-of-the-art SWATH-MS analysis without alignment by more than threefold at constant recall while correcting for highly nonlinear chromatographic effects. On a pulsed-SILAC experiment performed on human induced pluripotent stem cells, TRIC was able to automatically align and quantify thousands of light and heavy isotopic peak groups. Thus, TRIC fills a gap in the pipeline for automated analysis of massively parallel targeted proteomics data sets.

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Research works printed but not linked: 36

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Cited by

Metadata

Authors
Röst, H. L., Liu, Y., D'Agostino, G., Zanella, M., Navarro, P., Rosenberger, G., Collins, B. C., Gillet, L., Testa, G., Malmström, L., & Aebersold, R.
Venue
Nature Methods
Published
2016-08-01
Volume
13
Issue
9
Pages
777-783
ISSN
  • 1548-7091 (ISSN-L)
  • 1548-7105
OpenAlex
W2498136312
Cited by
175
References
23
FWCI
8.69
Type
journal article
Language
en
Open access
green
Licence
www.springer.com/tdm (tdm)

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