TLR2 is reported to enhance the expression of costimulatory molecules on the antigen presenting cell, however the regulatory mechanisms are still unclear.
已知tlr 2活化会促进抗原呈现细胞表面共同刺激分子的表现，但其调控机制及讯息传递路径仍不是非常清楚。
They are found in a perivascular network and may serve as the antigen presenting cell which initiates immune responses to antigens delivered through the circulation.
它们位于血管网周围，可以起到抗原递呈细胞的作用。抗原递呈细胞启动针对抗原的免疫反应并释放入血。
T cell can only recognize specific antigenic peptide-MHC complex on antigen-presenting cell. This is MHC restriction in antigen recognition of t cell.
细胞只能识别抗原提呈细胞表面特定的抗原肽MHC分子复合物，这就是T细胞抗原识别的MHC限制。
Before a helper t cell can trigger a response to a pathogen or parasite, it has to "feel" these molecular bits of an invader displayed on the surface of an antigen-presenting cell (APC).
在辅助T细胞激发针对病原的免疫反应之前，它必须感觉到位于抗原递呈细胞面表的入侵者分子片段。
After capturing tumor antigen, DC migrates to TDLN where it becomes matured and starts presenting antigen, then induces t cell differentiation, maturation and to kill tumor cells.
在捕获肿瘤抗原后，DC迁移至TDLN，发育成熟并递呈抗原，诱导T细胞分化、成熟，杀伤肿瘤细胞。
They are able to suppress allogenic T-cell response and modify maturation of antigen-presenting cells.
其能够抑制同种异体的T细胞的应答和修饰抗原呈递细胞的成熟。
Secondly, interactions between glycans and lectins play key roles in signal transduction, antigen presenting, control of cell development and differentiation.
其二，聚糖及其凝集素受体的相互作用在信号转导、抗原提呈、控制细胞发育与分化中起调控作用；
Secondly, interactions between glycans and lectins play key roles in signal transduction, antigen presenting, control of cell development and differentiation.
其二，聚糖及其凝集素受体的相互作用在信号转导、抗原提呈、控制细胞发育与分化中起调控作用；
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