The modelled parameters consisted of clinical criteria, rapid HIV antibody testing and CD4 + T-lymphocyte (CD4) count.

模拟的参数由临床标准、快速艾滋病病毒抗体检测和CD 4 + T淋巴细胞数量构成。

youdao

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)。

youdao

So, this study suggests a mechanism whereby breast cancer cells modulate the immune system through DCs to induce CD4+ T cells that promote early tumour growth.

所以，研究提示乳腺癌细胞通过树突状细胞诱导能促进肿瘤早期生长的CD4+ T细胞的作用机制。

youdao

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