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KMID : 0383119910390010143
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Journal of Aerospace Medicine
1991 Volume.39 No. 1 p.143 ~ p.156
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The Influence of Transmeridian Flight on Human Circulating Lymphocytes
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Park Young-Min
Park Byoung-Ok
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Abstract
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We studied the influence of transmeridian flight on the number of circulation lymphocyte, which have a circadian rhythm with low values in the day time.
The number of T lymphocytes, was found to be higher than the baseline value, yet its rhythmicity was maintained after eastward flight with an 8-h time difference. The number of OKB2+ as well as Leu 11+ cells were suppressed after the flight. The change in the number of f lymphocytes occurred due to they increased number of OKT 4+ lymphocytes. There was no correlation between the number of OKT 4± lymphocytes and the plasma cortisol level, though plasma cortisol is a major factor in regulating the number of lymphocytes.
These data showed that the number of helper/inducer T´ lymphocytes, B cells, and natural killer cells were affected by the physical condition experienced after the flight. The changes in T lymphocytes were independent of those of plasma cortisol levels.
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