研究表明笑声和快乐会提高你的身体免疫力，特别是它们会产生的自然杀伤细胞能使你免受疾病和癌症的侵害。
We know from research that laughter and joy boost immune functions, especially the production of the natural killer cells that help protect the body from illness and cancer.
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.
酸牛奶能增强自然杀伤细胞的活性，促进人体对病毒的杀伤力。
Acid milk can enhance the activity of natural killer cells, and promote the human body to the virus.
特殊的实验室检查发现这些女性的“自然杀伤性”免疫细胞的功能与其她志愿者相比更弱。
Specifically, lab experiments showed that the women's "natural killer" immune system cells were less lethal compared with those from other study participants.
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.
TH 2细胞产生的部分细胞因子，自然杀伤T细胞(nkt)也能产生，只是自然杀伤细胞能将其大量快速释放。
Natural killer t (NKT) cells produce some of the same cytokines as TH2s, but release them faster and in greater quantities.
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.
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 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.
自然杀伤细胞对免疫系统的前线自然杀伤细胞活性。
Natural Killer cells are on the front lines of your immune system.
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.
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。
At the end of the trial period, the researchers found no changes in natural killer cell activity except in the group taking fish oil.
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.
目的探讨镉暴露机体脾脏自然杀伤（NK）细胞活性变化及富硒乳酸菌对其的调节作用。
Objective To study the effect of Se-enriched lactobacillus on spleen NK cell activity in cadmium-poisoned rats.
实验发现来源于肿瘤组织的淋巴细胞群(TIL)对自体肿瘤无自然杀伤细胞活性或仅有低效细胞毒性。
The tumor-derived lymphocytes population (TIL) were of no natural killing activity or low cytotoxicity against the autologouS tumors.
自然杀伤细胞通过其表达的不同类型的受体选择性识别细胞表面的相应配体，提供自然杀伤细胞反应的自我调节信号。
Different types of receptors expressed by natural killer (NK) cells may selectively recognize their specific ligands on some other cells and provide self-regulatory signals to control NK responses.
目的：观察锌对热应激大鼠细胞免疫功能和自然杀伤细胞(NK)活性的影响。
To study the effects of zinc on the cellular immunity and NK cell activity in acute heat exposed rats.
方法：膀胱癌荷瘤鼠注射N-CWS，观察N-CWS的抑瘤效果及N-CWS对白细胞介素2（IL-2）水平和自然杀伤（NK）细胞活性的影响。
Methods:The effects of N-CWS on bladder carcinoma and on the activities of interleukin-2(IL-2) and NK cell were studied in syngenic mice bearingbladder carcinoma.
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。
Objective:To investigate the effects of inhalation anesthetic on T lymphocyte subsets and natural killer(NK) cell activity.
该因子由肝脏中被称为自然杀伤(NK)细胞的免疫细胞释放，但是只有当另一种免疫细胞，巨噬细胞存在时才释放。
The factor was released from immune cells called natural killer (NK) cells in the liver, but only if another immune cell, the macrophage, was present.
目的：探讨联合检测血清免疫抑制酸性蛋白(iap)、T淋巴细胞亚群(TLS)、自然杀伤细胞(NK,CD 16 +56 +)、淋巴细胞转化(LTT)在临床的应用价值。
Objective: To explore the clinical values of detecting the immunosuppressive acid protein (IAP). T lymphocyte subgroup (TLS), nature Killer (NK, CD16 + 56 +) and lymphocyte transformation test (LTT).
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.
目的探讨早孕妇女血清及蜕膜组织液对自然杀伤（NK）细胞及淋巴细胞功能的影响。
Objective To study the effects of serum and decidual tissue fluid in early pregnant women on natural killer cells (NK cells) activity and lymphocyte proliferation.
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.
目的旨在观察激光量子辐照充氧血液疗法对造血系统恶性肿瘤及血栓性疾病患者自然杀伤细胞活性的影响。
Objective To observe the effects of Laser Blood Quatum therapy on the NK cell activity in hemopoietic system malignant tumor and thrombotic disease.
目的研究自然杀伤（NK） 细胞亚群比例变化与复发性自然流产（RSA）的关系。
Objective To study the variation of peripheral blood NK Sub-class ratio in recurrent spontaneous abortion.
目的研究自然杀伤（NK） 细胞亚群比例变化与复发性自然流产（RSA）的关系。
Objective To study the variation of peripheral blood NK Sub-class ratio in recurrent spontaneous abortion.
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