Cabanas, H, Muraki, K, Balinas, C et al. · Molecular medicine (Cambridge, Mass.) · 2019 · DOI
This study looked at a specific type of protein channel (called TRPM3) found on immune cells called natural killer cells in ME/CFS patients. The researchers used specialized equipment to measure how these channels function and found they work differently in ME/CFS patients compared to healthy people. This difference could help explain why immune function is impaired in ME/CFS and might point toward new treatment options.
This study provides mechanistic evidence for immune dysfunction in ME/CFS by identifying and validating a specific ion channel defect in natural killer cells, which are critical for antiviral and anti-tumor immunity. If TRPM3 dysfunction contributes to reduced NK cell activity in ME/CFS, it could lead to targeted therapeutic interventions and provides an objective biological marker for patient stratification and disease monitoring.
This study does not prove that TRPM3 dysfunction causes ME/CFS or that correcting it will reverse the disease. The findings show correlation between impaired channel function and ME/CFS diagnosis but cannot establish causation. Additionally, reduced function in isolated NK cells in a laboratory setting does not necessarily translate to clinical benefit from drugs targeting TRPM3.
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
Cabanas, H, Muraki, K, Balinas, C, Eaton-Fitch, N, Staines, D, & Marshall-Gradisnik, S (2019). Validation of impaired Transient Receptor Potential Melastatin 3 ion channel activity in natural killer cells from Chronic Fatigue Syndrome/ Myalgic Encephalomyelitis patients.. Molecular medicine (Cambridge, Mass.). https://doi.org/10.1186/s10020-019-0083-4
BibTeX
@article{mecfsatlas-cabanas-2019-validation-impaired,
author = {Cabanas, H and Muraki, K and Balinas, C and Eaton-Fitch, N and Staines, D and Marshall-Gradisnik, S},
title = {Validation of impaired Transient Receptor Potential Melastatin 3 ion channel activity in natural killer cells from Chronic Fatigue Syndrome/ Myalgic Encephalomyelitis patients.},
journal = {Molecular medicine (Cambridge, Mass.)},
year = {2019},
doi = {10.1186/s10020-019-0083-4},
note = {PubMed: 31014226},
url = {https://www.mecfsatlas.com/evidence/cabanas-2019-validation-impaired},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-26. https://www.mecfsatlas.com/evidence/cabanas-2019-validation-impaired
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