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Acupoint Catgut Embedding for Treatment of Chronic Pelvic Pain Due to the Sequelae of Pelvic Inflammatory Disease
Published on: May 3, 2024
Acupuncture: pain management coupled to immune stimulation
R L Gollub1, K K Hui, G B Stefano
1Massachusetts General Hospital-NMR Center, MA, USA.
Summary
Acupuncture influences pain and immune responses by activating opioid peptides and altering brain activity. This study reveals a central nervous system pathway linking pain circuits to immune enhancement through acupuncture.
Area of Science:
- Neuroscience
- Immunology
- Pain Management
Background:
- Acupuncture is recognized for its potential effects on pain and immune system processes.
- The interaction between pain and immune systems is mediated by signaling molecules, such as opioid peptides.
- Opioid peptides are derived from precursors like proenkephalin, which may also contain antibacterial peptides.
Purpose of the Study:
- To investigate the central nervous system mechanisms underlying acupuncture's effects on pain and immune modulation.
- To explore the role of opioid peptide processing and release in acupuncture.
- To map brain activity changes associated with acupuncture using magnetic resonance imaging.
Main Methods:
- Utilized magnetic resonance imaging (MRI) to observe brain activity in humans during acupuncture needle manipulation.
- Analyzed signal changes in specific brain regions, including somatosensory cortices, limbic structures, and deep gray matter.
- Investigated the potential release of opioid and antibacterial peptides linked to opioid activation.
Main Results:
- Acupuncture needle manipulation caused increased brain signals in the primary and secondary somatosensory cortices.
- Significant signal decreases were observed bilaterally in limbic and deep gray matter structures (nucleus accumbens, amygdala, hypothalamus, hippocampus, ventral tegmental area).
- Evidence suggests opioid activation leads to proenkephalin processing and release of associated peptides.
Conclusions:
- Acupuncture engages a major central nervous system pathway involving pain and immune modulation.
- The findings support a link between central nervous system pain circuits and immune enhancement via opioid pathways.
- Acupuncture's effects appear to involve both central and local modulation of pain and immune responses.

