她认为，压力导致机体释放预炎症细胞因子(pro - inflammatory cytokines)，这是种为抵抗感染而产生初始反应的免疫因素。
Stress, she says, causes the body to release pro-inflammatory cytokines, immune factors that initiate responses against infections.
直肠部5 - HT免疫反应细胞的分布密度最大，空肠和十二指肠分布密度次之，回肠和盲肠的分布密度居中，而腺胃分布密度最低。
The density of 5-ht immunoreactive cells was the highest in rectum, and then in jejunum and duodenum, moderate in ileum and intestinum caecum and the lowest in glandular stomach.
因同样的理由，肽类免疫应答常因缺乏适当的辅助T淋巴细胞(HTL)而引导出不充分的细胞毒素T淋巴细胞(CTL)和抗体反应。
For the same reason, peptide immunizations often elicit inadequate cytotoxic t lymphocyte (CTL) and antibody (Ab) responses due to the lack of appropriate helper t lymphocyte (HTL) activity.
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