Lawson, Nick, Hsieh, Chung-Han, March, Dana et al. · Journal of nature and science · 2016 · DOI
This study examined how cells in ME/CFS patients produce energy. Surprisingly, researchers found that patients' blood cells actually produced MORE energy (ATP) than healthy controls, but much of this energy came from sources other than mitochondria (the cell's power plants). The study suggests that ME/CFS fatigue may not be caused by a lack of energy, but rather by an abnormal way the body is producing energy.
This finding challenges the prevailing assumption that ME/CFS is primarily caused by mitochondrial energy deficiency. Understanding that fatigue may instead involve dysregulated energy production pathways could redirect research toward novel therapeutic targets and help explain why standard energy-boosting approaches have limited efficacy in some patients.
This study does not prove that abnormal ATP production causes ME/CFS symptoms—only that an association exists in this patient cohort. The findings are limited to blood cells and may not apply to brain, muscle, or other tissues critical to fatigue pathology. Additionally, it does not establish whether elevated non-mitochondrial ATP production is a cause, consequence, or compensatory response to underlying disease.
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 →
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