Evidence map›Paper›PMID 40537675›Full record

ArticleEMBO molecular medicine2025

Replicated blood-based biomarkers for myalgic encephalomyelitis not explicable by inactivity.

Sjoerd Viktor Beentjes, Artur Miralles Méharon, Julia Kaczmarczyk, Amanda Cassar, Gemma Louise Samms, Nima S Hejazi, Ava Khamseh, Chris P Ponting

Abstract read
In one paragraph

Article in EMBO molecular medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing 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

11 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. An Overview of Severe Myalgic Encephalomyelitis.Journal of clinical medicine · 2026
    Review
  5. Review
  6. Article
  7. Article
  8. Review
  9. Article
  10. Article
  11. 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

8 authors.

Sjoerd Viktor Beentjes *School of Mathematics and Maxwell Institute for Mathematical Sciences, University of Edinburgh, Edinburgh, EH9 3FD, UK. Sjoerd.Beentjes@ed.ac.uk.ORCID http://orcid.org/0000-0002-7998-4262
Artur Miralles MéharonSchool of Informatics, University of Edinburgh, Edinburgh, EH8 9AB, UK.ORCID http://orcid.org/0009-0006-7977-3955
Julia KaczmarczykSchool of Mathematics and Maxwell Institute for Mathematical Sciences, University of Edinburgh, Edinburgh, EH9 3FD, UK.
Amanda CassarSchool of Informatics, University of Edinburgh, Edinburgh, EH8 9AB, UK.
Gemma Louise SammsMRC Human Genetics Unit, Institute of Genetics & Cancer, University of Edinburgh, Edinburgh, EH4 2XU, UK.
Nima S HejaziHarvard T.H. Chan School of Public Health, Department of Biostatistics, Boston, MA, 02115, USA.
Ava Khamseh *MRC Human Genetics Unit, Institute of Genetics & Cancer, University of Edinburgh, Edinburgh, EH4 2XU, UK. ava.khamseh@ed.ac.uk.ORCID http://orcid.org/0000-0001-5203-2205
Chris P Ponting *MRC Human Genetics Unit, Institute of Genetics & Cancer, University of Edinburgh, Edinburgh, EH4 2XU, UK. Chris.Ponting@ed.ac.uk.ORCID http://orcid.org/0000-0003-0202-7816

Funding

Langmuir Talent Development Fellowship and philanthropic donation P/Y028856/1ME Research UK n/aNational Institute for Health and Care Research (NIHR) MC_PC_20005UKRI AI programme and the Engineering and Physical Sciences Research Council EP/Y028856/1UKRI | Medical Research Council (MRC) MC_PC_20005United Kingdom Research and Innovation EP/Y030869/1
6 · The paper itself

Abstract

Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a common female-biased disease. ME/CFS diagnosis is hindered by the absence of biomarkers that are unaffected by patients' low physical activity level. Our analysis used semi-parametric efficient estimators, an initial Super Learner fit followed by a one-step correction, three mediators, and natural direct and indirect estimands, to decompose the average effect of ME/CFS status on molecular and cellular traits. For this, we used UK Biobank data for up to 1455 ME/CFS cases and 131,303 controls. Hundreds of traits differed significantly between cases and controls, including 116 significant for both female and male cohorts. These were indicative of chronic inflammation, insulin resistance and liver disease. Nine of 14 traits were replicated in the smaller All-of-Us cohort. Results cannot be explained by restricted activity: via an activity mediator, ME/CFS status significantly affected only 1 of 3237 traits. Individuals with post-exertional malaise show stronger biomarker differences. Single traits could not cleanly distinguish cases from controls. Nevertheless, these results keep alive the future ambition of a blood-based biomarker panel for accurate ME/CFS diagnosis.

Indexed as

BiomarkersFatigue Syndrome, ChronicAdultCase-Control StudiesCohort StudiesFemaleHumansMaleMiddle AgedUnited KingdomBiomarkersAll of Us BiobankMyalgic EncephalomyelitisPost-exertional MalaiseSemi-parametric Mediation AnalysisUK Biobank

Identifiers

PMID40537675
PMCPMC12254397

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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.