Maes, Michael, Mihaylova, Ivana, Kubera, Marta et al. · Metabolic brain disease · 2012 · DOI
This study examined immune system markers in people with ME/CFS, depression, and healthy controls. Researchers found that people with ME/CFS had higher levels of specific immune antibodies (IgM) attacking certain body molecules compared to people with depression. These antibodies were especially high against fatty acid anchors and oxidatively damaged proteins, suggesting ME/CFS may involve distinct immune processes that differ from depression.
This research provides evidence that ME/CFS involves distinct autoimmune abnormalities different from depression, supporting the biological basis of ME/CFS rather than viewing it as primarily psychiatric. Identifying specific immune markers could help develop better diagnostic tests and targeted treatments unique to ME/CFS rather than applying depression-based interventions.
This study does not prove that these autoimmune responses cause ME/CFS symptoms—it only shows an association. The findings cannot be generalized beyond the small study population, and the role these antibodies play in actual cellular dysfunction remains theoretical. Causality, direction of effect, and mechanisms of symptom production are not established by this cross-sectional design.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Maes, Michael, Mihaylova, Ivana, Kubera, Marta, Leunis, Jean-Claude, Twisk, Frank N M, & Geffard, Michel (2012). IgM-mediated autoimmune responses directed against anchorage epitopes are greater in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) than in major depression.. Metabolic brain disease. https://doi.org/10.1007/s11011-012-9316-8
BibTeX
@article{mecfsatlas-maes-2012-igm-mediated,
author = {Maes, Michael and Mihaylova, Ivana and Kubera, Marta and Leunis, Jean-Claude and Twisk, Frank N M and Geffard, Michel},
title = {IgM-mediated autoimmune responses directed against anchorage epitopes are greater in Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS) than in major depression.},
journal = {Metabolic brain disease},
year = {2012},
doi = {10.1007/s11011-012-9316-8},
note = {PubMed: 22614823},
url = {https://www.mecfsatlas.com/evidence/maes-2012-igm-mediated},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-30. https://www.mecfsatlas.com/evidence/maes-2012-igm-mediated
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