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Int J Neurosci. 2005 Feb;115(2):285-97.

Acute effect of qi-training on natural killer cell subsets and cytotoxic activity.

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Professional Graduate School of Oriental Medicine and Center for Integrative Medicine, Institute of Medical Science, Wonkwang University, Iksan, Republic of Korea.


This study assesses the effects of Qi-training on natural killer cell cytotoxicity. Nine experimental subjects did 1 h of Qi-training, and 9 control subjects relaxed during the same time. Natural killer cell cytotoxicity increased 60% immediately after Qi-training (p<.01) and returned to the basal level within 2 h after training. Natural killer cell subset number did not change after Qi-training. Natural killer cell cytotoxicity and cell number were not significantly correlated. These data suggest that Qi-training has an acute stimulatory effect on natural killer cell activity, but has no effect on phenotypical changes in the natural killer cell subset.

[Indexed for MEDLINE]

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