Immature DCs uptake, process antigens and present antigen peptides to MHC. Only in this way, can Ags be recognized by TCR on T cells.

 
  • 未成熟DCs能攝取抗原并將其處理成免疫原性多肽,以MHC分子-抗原肽復合物的形式表達于細胞表面,供抗原特異性T細胞受體(TCR)識別。
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