There were changes of immunoglobulins levels, decrease of complement concentration and CD4, CD8 cell reduction during different stage of SARS.

在SARS疾病过程中和随访时存在免疫球蛋白变化、补体消耗和CD 4、CD 8淋巴细胞率降低。

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Both "helper" (CD4) and "cytotoxic" (CD8) T-cell classes have been described.

现已明确两类T细胞：辅助性T细胞(CD4)和细胞毒性T细胞(CD8)。

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Conclusion: The conventional fractioned radiotherapy can activate cell mediated immunity of CD8+ T and NK cells, but inhibit the differentiation of T cells and NK cells signaling transduction pathway.

结论：放疗能部分激活CD8+T及NK细胞介导的杀伤免疫，同时抑制T细胞和NK细胞的分化及其信号传导通路。

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Furlano RI, et al. Colonic CD8 and gamma delta T-cell infiltration with epithelial damage in children with autism.

FORBES: Anti-Vaccine Activists Apparently Immune To Science