Evidence map›Paper›PMID 30291263›Full record

ArticleScientific reports2018

Machine-learning based lipid mediator serum concentration patterns allow identification of multiple sclerosis patients with high accuracy.

Jörn Lötsch, Susanne Schiffmann, Katja Schmitz, Robert Brunkhorst, Florian Lerch, Nerea Ferreiros, Sabine Wicker, Irmgard Tegeder, Gerd Geisslinger, Alfred Ultsch

Abstract read
In one paragraph

Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 1 pooled it
–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

29 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  20. Sapropterin (BH4) Aggravates Autoimmune Encephalomyelitis in Mice.Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics · 2021
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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

10 authors.

Jörn LötschInstitute of Clinical Pharmacology, Goethe-University, Theodor - Stern - Kai 7, 60590, Frankfurt am Main, Germany. j.loetsch@em.uni-frankfurt.de.ORCID http://orcid.org/0000-0002-5818-6958
Susanne SchiffmannFraunhofer Institute of Molecular Biology and Applied Ecology - Project Group Translational Medicine and Pharmacology (IME-TMP), Theodor - Stern - Kai 7, 60590, Frankfurt am Main, Germany.
Katja SchmitzInstitute of Clinical Pharmacology, Goethe-University, Theodor - Stern - Kai 7, 60590, Frankfurt am Main, Germany.
Robert BrunkhorstDepartment of Neurology, Goethe-University Hospital, Theodor - Stern - Kai 7, 60590, Frankfurt am Main, Germany.
Florian LerchDataBionics Research Group, University of Marburg, Hans - Meerwein - Straße 22, 35032, Marburg, Germany.
Nerea FerreirosInstitute of Clinical Pharmacology, Goethe-University, Theodor - Stern - Kai 7, 60590, Frankfurt am Main, Germany.
Sabine WickerOccupational Health Service, University Hospital Frankfurt, Theodor - Stern - Kai 7, 60590, Frankfurt am Main, Germany.
Irmgard TegederInstitute of Clinical Pharmacology, Goethe-University, Theodor - Stern - Kai 7, 60590, Frankfurt am Main, Germany.
Gerd GeisslingerInstitute of Clinical Pharmacology, Goethe-University, Theodor - Stern - Kai 7, 60590, Frankfurt am Main, Germany.
Alfred UltschDataBionics Research Group, University of Marburg, Hans - Meerwein - Straße 22, 35032, Marburg, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Based on increasing evidence suggesting that MS pathology involves alterations in bioactive lipid metabolism, the present analysis was aimed at generating a complex serum lipid-biomarker. Using unsupervised machine-learning, implemented as emergent self-organizing maps of neuronal networks, swarm intelligence and Minimum Curvilinear Embedding, a cluster structure was found in the input data space comprising serum concentrations of d = 43 different lipid-markers of various classes. The structure coincided largely with the clinical diagnosis, indicating that the data provide a basis for the creation of a biomarker (classifier). This was subsequently assessed using supervised machine-learning, implemented as random forests and computed ABC analysis-based feature selection. Bayesian statistics-based biomarker creation was used to map the diagnostic classes of either MS patients (n = 102) or healthy subjects (n = 301). Eight lipid-markers passed the feature selection and comprised GluCerC16, LPA20:4, HETE15S, LacCerC24:1, C16Sphinganine, biopterin and the endocannabinoids PEA and OEA. A complex classifier or biomarker was developed that predicted MS at a sensitivity, specificity and accuracy of approximately 95% in training and test data sets, respectively. The present successful application of serum lipid marker concentrations to MS data is encouraging for further efforts to establish an MS biomarker based on serum lipidomics.

Indexed as

Machine LearningAdultBayes TheoremBiomarkersFemaleHumansLipidsMaleMiddle AgedMultiple SclerosisYoung AdultBiomarkersLipids

Identifiers

PMID30291263
PMCPMC6173715

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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.