Research up to now has tried but failed to decipher the cross-talk between 'killer T-cells' and' helper T-cells' in the fight against viruses.

在此之前的研究仍然未能明确“杀伤t细胞”和“辅助T细胞”在对抗病毒协同作用的机制。

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We demonstrate that the loss of this protein prevents the control of the infection and diminishes the function of the killer T-cells, specifically CD8 T-cells.

我们证明了这种蛋白质的缺失可以引起感染的失控，同时会减少杀伤t细胞的功能，尤其是CD 8 T细胞。

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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)。

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So, the classes of T-cells: macrophages, natural killer cells, these are a class of cells that's particularly important called dendritic cells.

这类T淋巴细胞包括巨噬细胞,自然杀伤细胞等 统称为树突细胞,树突细胞尤为重要

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They include compounds that block bad genes responsible for spreading cancer into the bones, chemicals that prompt prostate cancer cells to destroy themselves and vaccines that train the body's killer T-cells to seek and destroy tumor cells.

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Two specific types of immune system cell that attack invaders - CD4 T-cells and natural killer cells - increased in number with age, with a higher rate of increase in women than in men.

BBC: Biological clue to why women live longer than men

In addition, other types of cancer can interfere with the activation of "killer T cells" - immune cells which arrive to destroy tumour cells.

BBC: NEWS | Health | Immune boost 'widens cancer fight'