自然杀伤细胞是一类与T细胞和B细胞不同的淋巴细胞，可在未被致敏的情况下破坏外来细胞(如肿瘤细胞)。
Natural killer cells, which are a class of lymphocyte distinct from t cells and B cells, destroy foreign cells (eg, neoplastic cells) even without prior sensitization.
自然杀伤细胞是身体对抗病毒引起的病原体和癌细胞的第一道防线，这意味着降低自然杀伤细胞的功效将导致对癌症和某些病毒的敏感性增加。
NK cells are the body's first line of defense against viral pathogens and tumor cells, which means a decrease in their function can result in increased susceptibility to cancer and certain viruses.
NKT细胞是一种具有混合功能的细胞：它们既能如自然杀伤细胞般杀死入侵微生物，又能如t细胞般与抗原(能激发免疫反应的外源物质)结合。
NKT cells are hybrids: they kill invading microbes, like natural killer immune cells, but they also bind to antigens - foreign substances that trigger an immune response - like T-cells do.
结论：卵巢癌组织中MIF蛋白表达上调导致巨噬细胞和自然杀伤细胞增多，可能是肿瘤进一步恶化的原因之一。
Conclusion the up-regulated expression of MIF can make the increase of macrophages and natural killer cells, it is one of the reasons of tumor development.
自然杀伤（NK）细胞是一种外周血淋巴细胞亚群。
Natural killer (NK) cells are a subset of peripheral blood lymphocytes.
自然杀伤（NK）细胞是天然细胞免疫系统的重要组成部分，是防御病毒感染的第一道防线。
Natural killer (NK) cells are an important component of the innate cellular immune system which provide a first line of defence against viral infections.
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。
Moderate but not exaggerated exercise increase the activity of the white blood cells, particularly the natural killer cell activity.
自然杀伤(NK)细胞是机体天然免疫的主要免疫细胞，是机体抗肿瘤的第一道防线。
Natural killer (NK) cells is a subset of lymphocytes that mainly participate in innate immunity, and also play a key role in the antitumor immune responses.
主要功能是参与细胞免疫，可自然杀伤肿瘤细胞、病毒感染细胞等异常细胞。
The major function is involved in the cellular immunity, it is efficient in eliminating the abnormal cells, such as virus-infected cells and tumor cells.
MICB是自然杀伤细胞活化受体(NKG2D)的一种应急诱导的配体，它对于NK细胞杀伤病毒感染细胞及肿瘤细胞至关重要。
MICB is a stress-induced ligand of the natural killer (NK) cell activating receptor NKG2D and is critical for the NK cell killing of virus-infected cells and tumor cells.
白细胞介素-12（IL-12）最初称作自然杀伤细胞刺激因子（NKSF）或细胞毒性淋巴细胞成熟因子（CLMF），是一种异二聚体细胞因子。
Interleukin-12 (IL-12) previously called cytotoxic lymphocyte maturation factor (CLMF) or NK cell stimulatory factor (NKSF) is a recently characterized heterodimeric cytokine composed of two subunits.
白细胞介素-12（IL-12）最初称作自然杀伤细胞刺激因子（NKSF）或细胞毒性淋巴细胞成熟因子（CLMF），是一种异二聚体细胞因子。
Interleukin-12 (IL-12) previously called cytotoxic lymphocyte maturation factor (CLMF) or NK cell stimulatory factor (NKSF) is a recently characterized heterodimeric cytokine composed of two subunits.
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