Cited by 32Biofield Effects and BiophysicsNeutrophil, Myeloperoxidase and Oxidative MechanismsExercise and Physiological Responses

Qi-training (qigong) enhanced immune functions: what is the underlying mechanism?

LEE, MYEONG SOO, KIM, MO KYUNG, RYU, HOON·2005·International Journal of Neuroscience

Abstract

The authors observed that Qi-training enhances immune function and modulates neurohormone concentrations. The exact signal and priming mechanism for enhanced neutrophil function by Qi-training has not yet been demonstrated. This study investigated the effect of Qi-training on intracellular signaling leading to the enhancement of immune function. The growth hormone (GH) concentrations and O2- production by neutrophils (PMNs) was significantly increased after 1 h of Qi-training compared with the basal state. To verify that endogenous GH mediates the priming of PMNs, serum obtained from elderly subjects in the basal state and after Qi-training was incubated with neutrophils isolated from young subjects for 60 min and triggered with N-formyl-1-methionyl-1-leucyl-1-phenylalanine (fMLP). Significant O2- production was observed in the PMNs incubated with serum collected after a Qi-training (p < .05). On the other hand, the priming effect on the PMNs was abolished in Qi-training sera depleted of endogenous GH with anti-human GH polyclonal antibody (p < .01) and the tyrosine kinase inhibitor, genistein (p < .01). The authors suggest that the endogenous GH released during and immediately after Qi-training mediates the priming events through tyrosine kinase activation in PMNs.

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Crossref · 10.1080/00207450590914347

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Authors
LEE, M. S., KIM, M. K., & RYU, H.
Affiliations
  • Wonkwang University (KR)
  • Kunsan National University (KR)
  • Boston University (US)
Venue
International Journal of Neuroscience
Published
2005-01
Volume
115
Issue
8
Pages
1099-1104
ISSN
  • 0020-7454 (ISSN-L)
  • 1543-5245
OpenAlex
W2009128276
Cited by
32
References
8
Citations by year
2025: 2 · 2024: 2 · 2023: 1 · 2022: 1 · 2019: 3 · 2018: 3 · 2017: 4 · 2016: 3 · 2013: 1 · 2012: 2
FWCI
0.40
Type
journal article
Language
en
Open access
closed
Locations
  • International Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Biofield Effects and Biophysics
  • Life Sciences › Immunology and Microbiology › Immunology › Neutrophil, Myeloperoxidase and Oxidative Mechanisms
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
Keywords
qigong, immune function, neutrophils, growth hormone, reactive oxygen species, neutrophil priming, tyrosine kinase, genistein, fMLP, neurohormones, older adults
MeSH terms
Adult, Aged, Breathing Exercises, Cell Communication, Growth Inhibitors, Health Promotion, Humans, Immune System, Learning, Male, N-Formylmethionine Leucyl-Phenylalanine, Neutrophils, Protein-Tyrosine Kinases, Time Factors, Signal Transduction, Human Growth Hormone, Genistein

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