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)。
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。
To study the effect and mechanism of CD8+CD28-T cell on remote ischemic preconditioning protects the rat kidney from early warm ischemia-reperfusion injury.
目的探讨CD8+CD28-T细胞在远程缺血预处理保护早期肾脏热缺血再灌注损伤中的作用。
The authors next examined the inheritance of T-cell-fate-associated molecules by the first two daughter cells following asymmetrical cell division of CD8 + t cells.
其后，作者通过对CD 8 +T细胞不对称细胞分裂后的第一代两个子代细胞研究，证明了与T细胞命运相关的分子遗传性。
The killing activity of NK cells and the proliferation rate of spleen cells were tested by MTT assay, and T cell subgroupCD4+ , CD8+ were tested by the indirect immune fluorescent assay.
用MTT方法对脾脏的NK杀伤细胞率和淋巴细胞的转化率进行测定，采用免疫荧光法对CD4+、CD8+细胞进行测定。
The abnormal differentiation of T-cell subsets in chronic hepatic B, lowering of CD4, and rise of CD8, can serve as an index for observing the disease state.
慢性乙型肝炎T-淋巴细胞亚群分化异常，CD4下降，CD8升高可作为病情观察的指标。
ICOS is not expressed on the cell surface of circulating CD8 memory t cells but is rapidly upregulated during cell division within the allograft parenchyma.
在循环cd 8记忆T细胞的表明并没有ICOS的表达，但是其在移植物实质内细胞分化期间对其有正性调节作用。
The therapeutic vaccine candidate targeted the stimulation of CD4(+) and CD8(+) T-cell responses and the induction of pro-inflammatory cytokines capable of controlling viral replication.
治疗性疫苗候选物靶向刺激CD4（+）和CD8（+）T细胞应答和诱导能够控制病毒复制的促炎细胞因子。
The main function of CD8+ killer T cell (CD8+CTL cell) is to kill target cells specifically and directly.
杀伤性T细胞（CD8+CTL 细胞）的主要功能是特异性直接杀伤靶细胞。
Objective To explore the changes of CD8 + t cell subtypes especially CD8 + CD28 -t suppressor cells in rats with experimental colitis induced by 2, 4-dinitrofluorobenzene (DNFB).
目的探讨CD 8 +T细胞亚群尤其是CD 8 + CD2 8 - T抑制细胞在2,4二硝基氟苯(DNFB)大鼠实验性结肠炎模型中的变化及其可能作用。
Objective To explore the changes of CD8 + t cell subtypes especially CD8 + CD28 -t suppressor cells in rats with experimental colitis induced by 2, 4-dinitrofluorobenzene (DNFB).
目的探讨CD 8 +T细胞亚群尤其是CD 8 + CD2 8 - T抑制细胞在2,4二硝基氟苯(DNFB)大鼠实验性结肠炎模型中的变化及其可能作用。
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