Research progress on central mechanism of acupuncture treatment for chronic fatigue syndrome.
Li, Bin-Bin, Feng, Chu-Wen, Qu, Yuan-Yuan et al. · World journal of acupuncture-moxibustion · 2023 · DOI
Quick Summary
This review examined how ME/CFS affects the brain and nervous system by looking at laboratory tests and brain imaging studies. Researchers found that people with ME/CFS have changes in brain structure, abnormal inflammation, and problems with chemical messengers in the brain. The study also explored how acupuncture might help correct some of these brain abnormalities in animal models of the condition.
Why It Matters
Understanding the central mechanisms underlying ME/CFS is crucial for developing targeted treatments. This review consolidates evidence that ME/CFS involves measurable brain dysfunction, strengthening the case for recognizing it as a biological neurological disorder rather than a psychological condition, and identifies potential mechanisms through which acupuncture or other interventions could be therapeutic.
Observed Findings
Structural brain changes including reduced grey and white matter volume, particularly in frontal cortex and thalamus
Abnormal cerebrospinal fluid inflammatory markers (IFN-α, IL-10) and evidence of neuroinflammatory response
Diminished cerebral blood flow and reduced glucose metabolism on neuroimaging
Dysregulation of multiple neurotransmitter systems (serotonin, acetylcholine, glutamate, GABA)
Evidence of oxidative and nitrosative stress in ME/CFS patients
Inferred Conclusions
ME/CFS involves measurable dysfunction across multiple levels of central nervous system organization (structural, inflammatory, metabolic, and neurochemical)
Acupuncture may exert therapeutic effects by modulating abnormal neuroinflammatory and neurochemical processes in the brain
Further research should investigate whether acupuncture-induced changes in brain function correlate with symptom improvement in clinical populations
Remaining Questions
What is the causal relationship between the observed brain abnormalities and ME/CFS symptoms?
What is the clinical efficacy of acupuncture for ME/CFS in rigorous randomized controlled trials, and which patient subgroups might benefit most?
What This Study Does Not Prove
This review does not establish that acupuncture is clinically effective for ME/CFS in patients—it primarily discusses animal model studies and mechanistic possibilities. It does not prove that the observed brain changes cause fatigue symptoms versus representing correlates of the disease. The findings also do not exclude the possibility that some abnormalities are secondary consequences rather than primary drivers of illness.