Peripheral blood mononuclear cells were used to conduct antigen specific blastogenesis assay.

外周血单个核细胞用于抗原特异性胚芽生殖实验。

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Cytotoxic t cells, after sensitization by antigen, are effector cells, especially important in antiviral immunity.

已被抗原致敏的细胞毒性T细胞是效应细胞，在抗病毒免疫中起到特别重要的作用。

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These molecules, known as antigens, are picked up by so-called antigen-presenting cells that display them on their surfaces and show them to the helper cells.

这些我们成为抗原的分子被一些称作受体细胞所吸收，并将它们吸附在自身表面暴露给助细胞。

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One of the things that happens is that certain cells within your body process the vaccine or the antigen and we talked about that.

在人体内,发生的反应之一是,特定的细胞对疫苗或者抗原做出反应,之前我们讨论过这个

耶鲁公开课 - 生物医学工程探索课程节选

Then, your muscle cells would start producing Hepatitis B surface antigen and your immune system recognizing that's a foreign protein would start responding to it.

于是,肌肉细胞将会,开始制造乙肝表面抗原,然后免疫系统就会识别出,那是外来蛋白质并且产生免疫应答

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These are cells that recognize a particular antigen, they're ready to differentiate into antibody.

这些记忆细胞可识别相应的抗原,它们已经准备好分化产生抗体

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To do this, they used antibodies designed to bind to and thus decommission the molecules on T cells that are used to shake hands with antigen-presenting cells.

ECONOMIST: Breaching the body's defences

Antigen-presenting cells collect fragments of proteins from foreign bodies (normally pathogens, such as viruses and bacteria, but also transplanted organs) and show these to T cells, in order to tell them what to attack.

ECONOMIST: Breaching the body's defences

Pfizer's drug tremelimumab and Bristol-Myers Squibb's ipilimumab are antibodies to a protein called CTLA-4 (cytotoxic T-lymphocyte antigen-4) that acts as an emergency brake to prevent killer T cells from attacking healthy tissue.

FORBES: Targeting Melanoma