Moderate but not exaggerated exercise increase the activity of the white blood cells, particularly the natural killer cell activity.
适量的运动可以增强白细胞尤其是自然杀伤细胞的活动度，并且可以加强呼吸系统的免疫力。
At the end of the trial period, the researchers found no changes in natural killer cell activity except in the group taking fish oil.
在试验末期，除了服用鱼油的组，研究人员没有发现自然杀伤细胞活性有变化。
Objective To explore potential synergetic effects of interleukin-2 (IL-2) with IL-18 on induction of natural killer (NK) cell activity against myeloma cells in vitro.
目的研究白细胞介素- 2 (IL - 2)和白细胞介素- 18 (IL - 18)诱导自然杀伤(NK)细胞活化和抗骨髓瘤细胞活性的协同作用。
Objective:To investigate the effects of inhalation anesthetic on T lymphocyte subsets and natural killer(NK) cell activity.
目的：观察异氟醚和安氟醚吸入麻醉对病人T细胞亚群、自然杀伤细胞（NK细胞）的影响。
A. Meyer(G. S. )are reported. In vivo, G. S. significantly enhances anti-sheep red cell-specific plaque-forming cell response and the activity of natural killer cell in mouse.
活体中，人参明显提高小鼠脾抗绵羊红细胞性溶血空斑形成反应和自然杀伤细胞活性。
Moreover, both murine(BALB/C mice) celiac macrophage phagocytosis and spleen natural-killer-cell activity were higher than that of the control significantly (P<0.01, P<0.05).
而BALB/C小鼠腹腔巨噬细胞吞噬率及脾脏自然杀伤细胞活性均明显高于对照组（P <0 .0 1，P <0 .0 5）。
Moreover, both murine(BALB/C mice) celiac macrophage phagocytosis and spleen natural-killer-cell activity were higher than that of the control significantly (P<0.01, P<0.05).
而BALB/C小鼠腹腔巨噬细胞吞噬率及脾脏自然杀伤细胞活性均明显高于对照组（P <0 .0 1，P <0 .0 5）。
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