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1 抗原分子特点与淋巴细胞的识别及效应Ｔ及Ｂ细胞经ＴＣＲ及ＢＣＲ与抗原分子结合 ,因抗原分子组成或结构不同 ,引起不同的细胞效应。抗原类似分子 (ａｇｏｎｉｓｔ)增强免疫应答 ,或致部分免疫应答 ;抗原拮抗剂 (ａｎｔａｇｏｎｉｓｔ)则致免疫无能或耐受。这两类由抗原衍生
1 antigen molecular characteristics and lymphocyte recognition and the effect of T and B cells by TCR and BCR and antigen molecules, antigen molecules due to different composition or structure, causing different cellular effects. Antigenic agonists enhance the immune response, or result in a partial immune response; the antigen antagonist is rendered immunocompetent or tolerant. These two classes are derived from antigens