英语释义

1. a large granular lymphocyte capable especially of destroying tumor cells or virally-infected cells without prior exposure to the target cell and without having it presented with or marked by a histocompatibility antigen

片语

Natural Born Killer天生杀人狂

NK natural killer cell自然杀伤细胞

natural killer cell nk细胞

NATURAL BURN KILLER天生纵火狂

The Natural Fawn Killer小鹿杀手

Natural Killer NK自然杀伤

natural l killer cell nk细胞

NATURAL BOPRN KILLER天生杀手

英汉例句

• methods the natural killer cell activity (nkca) of the peripheral blood were measured in 16 cases of crc patients using the ldh release method.

  方法采用ldh释放法测定16例大肠癌患者外周血自然杀伤细胞活性（nkca）。

• moderate exercise boosts the number and activity level of important immune-system players called natural killer cells.

  中等强度的动运能提高重要的免疫系统成分称为自然杀伤细胞的数量和活性水平。

• 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。

• natural killer (nk) cells are an important component of the innate cellular immune system which provide a first line of defence against viral infections.

  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 cells are on the front lines of your immune system.

  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, 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）。

• 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.

  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。

• 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.

  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。

• natural killer group 2 member d, its ligands, and liver disease: good or bad?

  自然杀伤细胞2族成员d及其配体与肝脏疾病：好还是坏？

• these de-activating proteins, known as human leukocyte antigens or hla molecules are absent in many tumours and cells infected with viruses, leaving them open to attack by the natural killer cells.

  这些活性抑制蛋白，被称为人类白细胞抗原或hla分子。它们在许多肿瘤和病毒感染的细胞中缺失，使其遭受了自然杀伤细胞的攻击。

• accordingly natural killer cells preferentially kill senescent activated stellate cells in vitro and in vivo, thereby facilitating the resolution of fibrosis.

  在小鼠体内及体外，自然杀伤细胞相应地优先消灭衰老的活化星形细胞，并藉此促进纤维化的消解。

• unlike most cells of the immune system that are activated by molecules found on the pathogen or tumour, natural killer cells are shut down by a group of proteins found on healthy cells.

  不像大部分由病原体或肿瘤上的分子激活的免疫系统细胞，自然杀伤细胞由正常细胞上的一组蛋白质调节关闭。

• 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.

  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癥的侵害。

• 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。

• in the mid-1990s, dr berk found that laughter increases the number of natural killer cells in cancer patients. natural killer cells are the body's way of fighting tumours.

  早在上世纪九十年代，伯克博士就发现笑会增加癌癥病人天然杀伤细胞（也叫抗癌细胞）的数目，天然杀伤细胞是身体对抗肿瘤的办法。

• progesterone-induced blocking factor suppresses natural killer cell activity.

  孕酮诱导阻断因子，抑制自然杀伤细胞活性。

• natural killer t (nkt) cells produce some of the same cytokines as th2s, but release them faster and in greater quantities.

  th2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。

• objective to evaluate the roles of natural killer (nk) cells and macrophages in the rejection of discordant xenografts in nude mice and t cell-reconstitution nude mice.

  目的了解nk细胞和巨噬细胞在t细胞缺乏或t细胞成功重建的情况下对异种移植物排斥的作用。

• the natural killer cells in human and different strains of animal have selectively killer activity against various tumor cells being served as target cells.

  来源于人和不同种属动物的自然杀伤细胞对不同瘤株为靶细胞的杀伤活性有一定的选择性。

• 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.

  从试验中我们得知笑声和欢乐会增强免疫功能，尤其可以生产帮助保护身体免受疾病和癌癥侵害的天然杀伤细胞。