The Effect of Acute Exercise on Lymphocyte Subsets, Natural Killer Cells, Proliferative Responses, and Cytokines in HIV‐Seropositive Persons
作者:
Henrik Ullum,
Jan Palmø,
Jens Halkjaer-Kristensen,
Marcus Diamant,
Mads Klokker,
Alexandra Kruuse,
Arthur LaPerriere,
Bente Pedersen,
期刊:
Journal of Acquired Immune Deficiency Syndromes
(OVID Available online 1994)
卷期:
Volume 7,
issue 11
页码: 1122-1133
ISSN:0894-9255
年代: 1994
出版商: OVID
关键词: Physical exercise;Natural killer cells;ymphokine activated killer cells;Lymphocytes;Blood mono-nuclear cell subsets;Proliferative responses;Cytokines;Interleukins;HIV seropositive
数据来源: OVID
摘要:
Eight healthy men infected with human immunodeficiency virus, type 1 (HIV) and eight HIV seronegative age- and sex-matched controls exercised on a bicycle ergometer (75% of VO2max, 1 h). The percentages of CD4+, CD4+45RA+, and CD4+45RO+cells did not change, whereas the absolute number of CD4+cells increased twofold during exercise and fell below prevalues 2 h after. The neutrophil count increase was more pronounced after exercise in the controls compared with in HIV-seropositive subjects. The percent CD16+cells, and the natural killer (NK) and lymphokine activated killer (LAK) cell activity increased during exercise, but this increase was significantly less pronounced in the HIV-seropositive group. The results suggest that in response to physical stress, HIV-seropositive subjects have an impaired ability to mobilize neutrophils, NK and LAK cells to the blood. Furthermore, because the total number of CD4+cells, but not the percentage of CD4+cells, changed in response to exercise, this study further strengthens the idea that the percentage of CD4+cells is preferable to the number of CD4+cells in monitoring patients seropositive for HIV.
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