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Ensure words are spelled correctly. Try rephrasing keywords or using synonyms. Try less specific keywords. Make your queries as concise as possible.
此外,SHP-2被认为不仅负责阻断CD28共刺激信号,而且还负责抑制TCR介导的ZAP70磷酸化及其与CD3ζ的关联,这些信号会导致PKCθ和ERK激活以及下游IL-2的产生和扩增。 -04- CTLA-4信号通路 CTLA-4与CD28配体B7-1(CD80)和B7-2(CD86)以比与CD28自身更高的亲和力相互作用。
TRA2β 蛋白通过其 PE 的表达在初始T 细胞中维持在低水平。TCR诱导TRA2β-PE跳跃后,TRA2β蛋白的表达增加,使其能够调节TCR信号传导基因的选择性剪接 ...