Evidence map›Paper›PMID 22768802›Full record

ArticleJournal of translational medicine2012

Clinical evaluation of a matrix metalloproteinase-12 cleaved fragment of titin as a cardiovascular serological biomarker.

Efstathios Vassiliadis, Lars M Rasmussen, Inger Byrjalsen, Dorthe Vang Larsen, Rajiv Chaturvedi, Susanne Hosbond, Lotte Saabye, Axel C P Diederichsen, Federica Genovese, Kevin L Duffin and 5 more

Open access · goldAbstract read
In one paragraph

Article in Journal of translational medicine, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
0.9field-weighted citation impact, top 21% 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

15 citing papers in PubMed, 26 citations in OpenAlex.

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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

15 authors at 4 institutions in 3 countries.

Efstathios VassiliadisNordic Bioscience A/S, Herlev Hovedgade 207, DK-2730, Herlev, Denmark. eva@nordicbioscience.com
Lars M Rasmussen
Inger Byrjalsen
Dorthe Vang Larsen
Rajiv Chaturvedi
Susanne Hosbond
Lotte Saabye
Axel C P Diederichsen
Federica Genovese
Kevin L Duffin
Qinlong Zheng
Xiaoliang Chen
Diana J Leeming
Claus Christiansen
Morten A Karsdal
Nordic Bioscience (Denmark) · DKOdense University Hospital · DKEli Lilly (United States) · USHospital for Sick Children · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTitin is a muscle-specific protein found in cardiac and skeletal muscles which is responsible for restoring passive tension. Levels and functioning of titin have been shown to be affected by cardiac damage. Due to the inherent difficulty of measuring titin levels in vivo in a clinical setting, we aimed to develop an assay that could reliably measure fragments of degraded titin in serum and potentially be used in the assessment of cardiac muscle damage.

methodsA competitive ELISA was developed to specifically measure levels of the titin sequence 12670' NVTVEARLIK 12679', derived by the degradation of titin by matrix metalloproteinase (MMP)-12. Serum samples from 90 individuals were divided into 3 equally sized groups. One group had been diagnosed with acute myocardial infarction (AMI) while the remaining two were asymptomatic individuals either with CT-scan signs of coronary calcium (CT-plusCa) or without coronary calcium (CT-noCa).

resultsMean geometric levels of the titin fragment in the CT-noCa group were 506.5 ng/ml (± 43.88). The CT-plusCa group showed 50.6% higher levels of the marker [763 ng/ml (± 90.14)] (P < 0.05). AMI patients showed 56.3% higher levels [792 ng/ml (± 149)] (P < 0.05).

conclusionsThe titin-12670 fragment is present in both individuals with undiagnosed and diagnosed CVD. The statistically significant increase in level of the marker in the AMI group is indicative that this neoepitope biomarker may be a useful serological marker in AMI.

Indexed as

BiomarkersCardiovascular DiseasesCase-Control StudiesConnectinEnzyme-Linked Immunosorbent AssayHumansMatrix Metalloproteinase 12Middle AgedMuscle ProteinsProtein KinasesProteolysisROC CurveBiomarkersConnectinMatrix Metalloproteinase 12Muscle ProteinsProtein KinasesTTN protein, human

Identifiers

PMID22768802
PMCPMC3487750
OpenAlexW2167648841

What OpenQuestion holds

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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.