Evidence map›Paper›PMID 25867201›Full record

ArticleAnalytical chemistry2015

Three dimensional liquid chromatography coupling ion exchange chromatography/hydrophobic interaction chromatography/reverse phase chromatography for effective protein separation in top-down proteomics.

Santosh G Valeja, Lichen Xiu, Zachery R Gregorich, Huseyin Guner, Song Jin, Ying Ge

Abstract read
In one paragraph

Article in Analytical chemistry, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

27 citing papers in PubMed.

  1. Top-down proteomics.Nature reviews. Methods primers · 2024
    Article
  2. Multidimensional Separations in Top-Down Proteomics.Analytical science advances · 2023
    Article
  3. High sensitivity top-down proteomics captures single muscle cell heterogeneity in large proteoforms.Proceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  4. Article
  5. Novel Strategies to Address the Challenges in Top-Down Proteomics.Journal of the American Society for Mass Spectrometry · 2021
    Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
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  14. Article
  15. Article
  16. Top-Down Proteomics: Ready for Prime Time?Analytical chemistry · 2018
    Review
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Santosh G Valeja *Department of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, Wisconsin, USA.
Lichen Xiu *Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin, USA.
Zachery R GregorichDepartment of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, Wisconsin, USA.
Huseyin GunerDepartment of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, Wisconsin, USA.
Song JinDepartment of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin, USA.
Ying GeDepartment of Cell and Regenerative Biology, University of Wisconsin-Madison, Madison, Wisconsin, USA.

Funding

Deciphering Myofilament Modifications in Ischemic CardiomyopathyR01HL109810 · NHLBI · UNIVERSITY OF WISCONSIN-MADISON · PI GE, YING · 2013 to 2024
$3.5M
Top Down Proteomics Of Myofilaments In Heart FailureR01HL096971 · NHLBI · UNIVERSITY OF WISCONSIN-MADISON · PI GE, YING · 2011 to 2021
$3.3M
Nanotechnology Enabled Top-Down PhosphoproteomicsR21EB013847 · NIBIB · UNIVERSITY OF WISCONSIN-MADISON · PI JIN, SONG · 2012 to 2013
$393k
NHLBI NIH HHS R01 HL096971NHLBI NIH HHS R01HL096971NHLBI NIH HHS R01 HL109810NHLBI NIH HHS R01HL109810NIBIB NIH HHS R21 EB013847NIBIB NIH HHS R21EB013847
6 · The paper itself

Abstract

To address the complexity of the proteome in mass spectrometry (MS)-based top-down proteomics, multidimensional liquid chromatography (MDLC) strategies that can effectively separate proteins with high resolution and automation are highly desirable. Although various MDLC methods that can effectively separate peptides from protein digests exist, very few MDLC strategies, primarily consisting of 2DLC, are available for intact protein separation, which is insufficient to address the complexity of the proteome. We recently demonstrated that hydrophobic interaction chromatography (HIC) utilizing a MS-compatible salt can provide high resolution separation of intact proteins for top-down proteomics. Herein, we have developed a novel 3DLC strategy by coupling HIC with ion exchange chromatography (IEC) and reverse phase chromatography (RPC) for intact protein separation. We demonstrated that a 3D (IEC-HIC-RPC) approach greatly outperformed the conventional 2D IEC-RPC approach. For the same IEC fraction (out of 35 fractions) from a crude HEK 293 cell lysate, a total of 640 proteins were identified in the 3D approach (corresponding to 201 nonredundant proteins) as compared to 47 in the 2D approach, whereas simply prolonging the gradients in RPC in the 2D approach only led to minimal improvement in protein separation and identifications. Therefore, this novel 3DLC method has great potential for effective separation of intact proteins to achieve deep proteome coverage in top-down proteomics.

Indexed as

ProteomicsAmino Acid SequenceAnimalsCattleChromatography, Ion ExchangeChromatography, Reverse-PhaseHEK293 CellsHumansHydrophobic and Hydrophilic InteractionsMolecular Sequence DataProteomeTandem Mass SpectrometryProteome

Identifiers

PMID25867201
PMCPMC4575680

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.