Evidence map›Paper›PMID 26305875›Full record

ArticlePloS one2015

iTRAQ Quantitative Proteomic Comparison of Metastatic and Non-Metastatic Uveal Melanoma Tumors.

John W Crabb, Bo Hu, John S Crabb, Pierre Triozzi, Yogen Saunthararajah, Raymond Tubbs, Arun D Singh

Open access · goldAbstract readComparative Study
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
2.0field-weighted citation impact, top 14% of its field
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

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 34 citations in OpenAlex.

  1. Pooled it
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  10. Uveal melanoma: progress in molecular biology and therapeutics.Therapeutic advances in medical oncology · 2020
    Review
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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

7 authors at 2 institutions in 1 country.

John W CrabbCole Eye Institute, Cleveland Clinic, Cleveland, Ohio, United States of America; Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, United States of America; Department of Ophthalmology, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland Clinic, Cleveland, Ohio, United States of America; Department of Molecular Medicine, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland Clinic, Cleveland, Ohio, United States of America.
Bo HuLerner Research Institute, Cleveland Clinic, Cleveland, Ohio, United States of America; Department of Quantitative Health Sciences, Cleveland Clinic, Cleveland, Ohio, United States of America.
John S CrabbCole Eye Institute, Cleveland Clinic, Cleveland, Ohio, United States of America.
Pierre TriozziTaussig Cancer Institute, Cleveland Clinic, Cleveland, Ohio, United States of America.
Yogen SaunthararajahDepartment of Molecular Medicine, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland Clinic, Cleveland, Ohio, United States of America; Taussig Cancer Institute, Cleveland Clinic, Cleveland, Ohio, United States of America.
Raymond TubbsDepartment of Molecular Pathology, Pathology & Laboratory Medicine Institute, Cleveland Clinic, Cleveland, Ohio, United States of America.
Arun D SinghCole Eye Institute, Cleveland Clinic, Cleveland, Ohio, United States of America; Department of Ophthalmology, Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland Clinic, Cleveland, Ohio, United States of America.
Cleveland Clinic · USCleveland Clinic Lerner College of Medicine · US

Funding

Proteomic Studies of Age Related Macular DegenerationR01EY014239 · NEI · CLEVELAND CLINIC LERNER COL/MED-CWRU · PI CRABB, JOHN W · 2002 to 2005
$1.5M
Vision Research Infrastructure Development GrantR24EY015638 · NEI · CLEVELAND CLINIC LERNER COM-CWRU · PI HOLLYFIELD, JOE GILBERT · 2004 to 2008
$1.1M
Carboxyethylpyrrole-Ethanolamine Phospholipids as AMD BiomarkersR21EY025388 · NEI · CLEVELAND CLINIC LERNER COM-CWRU · PI CRABB, JOHN W · 2015 to 2016
$436k
Proteomic Biomarkers for Primary Open Angle GlaucomaR21EY018147 · NEI · CLEVELAND CLINIC LERNER COM-CWRU · PI CRABB, JOHN W · 2008 to 2009
$432k
Biomarkers for Age-Related Macular DegenerationR21EY021840 · NEI · CLEVELAND CLINIC LERNER COM-CWRU · PI CRABB, JOHN W · 2011 to 2012
$432k
Proteomic Biomarkers for AMDR21EY022134 · NEI · CLEVELAND CLINIC LERNER COM-CWRU · PI CRABB, JOHN W · 2013 to 2014
$428k
NEI NIH HHS EY018147NEI NIH HHS EY022134NEI NIH HHS EY14239NEI NIH HHS EY15638NEI NIH HHS EY21840NEI NIH HHS R01 EY014239NEI NIH HHS R21 EY018147NEI NIH HHS R21 EY021840NEI NIH HHS R21 EY022134NEI NIH HHS R21 EY025388NEI NIH HHS R24 EY015638
6 · The paper itself

Abstract

backgroundUveal melanoma is the most common malignancy of the adult eye. The overall mortality rate is high because this aggressive cancer often metastasizes before ophthalmic diagnosis. Quantitative proteomic analysis of primary metastasizing and non-metastasizing tumors was pursued for insights into mechanisms and biomarkers of uveal melanoma metastasis.

methodsEight metastatic and 7 non-metastatic human primary uveal melanoma tumors were analyzed by LC MS/MS iTRAQ technology with Bruch's membrane/choroid complex from normal postmortem eyes as control tissue. Tryptic peptides from tumor and control proteins were labeled with iTRAQ tags, fractionated by cation exchange chromatography, and analyzed by LC MS/MS. Protein identification utilized the Mascot search engine and the human Uni-Prot/Swiss-Protein database with false discovery ≤ 1%; protein quantitation utilized the Mascot weighted average method. Proteins designated differentially expressed exhibited quantitative differences (p ≤ 0.05, t-test) in a training set of five metastatic and five non-metastatic tumors. Logistic regression models developed from the training set were used to classify the metastatic status of five independent tumors.

resultsOf 1644 proteins identified and quantified in 5 metastatic and 5 non-metastatic tumors, 12 proteins were found uniquely in ≥ 3 metastatic tumors, 28 were found significantly elevated and 30 significantly decreased only in metastatic tumors, and 31 were designated differentially expressed between metastatic and non-metastatic tumors. Logistic regression modeling of differentially expressed collagen alpha-3(VI) and heat shock protein beta-1 allowed correct prediction of metastasis status for each of five independent tumor specimens.

conclusionsThe present data provide new clues to molecular differences in metastatic and non-metastatic uveal melanoma tumors. While sample size is limited and validation required, the results support collagen alpha-3(VI) and heat shock protein beta-1 as candidate biomarkers of uveal melanoma metastasis and establish a quantitative proteomic database for uveal melanoma primary tumors.

Indexed as

AgedAged, 80 and overBlotting, WesternElectrophoresis, Polyacrylamide GelFemaleHumansIsotope LabelingMaleMelanomaNeoplasm MetastasisNeoplasm ProteinsProteomicsUveal MelanomaUveal NeoplasmsNeoplasm Proteins

Identifiers

PMID26305875
PMCPMC4549237
OpenAlexW2339604141

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

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.