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已有的研究表明,弓形虫表面抗原——一组糖基磷脂酰肌醇(GPI)固着蛋白,在虫体附着宿主细胞和逃避宿主免疫反应过程中发挥作用。已鉴定的弓形虫表面抗原包括5种速殖子表面抗原(P43,P35,P30,P23,P22)和4种缓殖子表面抗原(P36,P34,P21和P18),已克隆并测序的表面抗原编码基因除包括SAG1(P30),SAG2(P22),SAG3(P43)和SAG4(P18)外,还包括至少由10个SAG1相关基因组成的家族,其中之一被认为是
Some studies have shown that Toxoplasma gondii surface antigen - a group of glycosylphosphatidylinositol (GPI) anchoring protein, play an important role in the attachment of host cells to the parasites and escape from the host immune response. The identified Toxoplasma gondii surface antigens include five tachyzoite surface antigens (P43, P35, P30, P23, P22) and four bradycardia surface antigens (P36, P34, P21 and P18), cloned and sequenced surfaces Antigen encoding genes include a family of at least 10 SAG1-related genes in addition to SAG1 (P30), SAG2 (P22), SAG3 (P43) and SAG4 (P18), one of which is considered to be