当前,免疫学最关心的问题之一,不是对异己的认识,而是对自己的认识.随之,人们对于免疫的基本概念,也正在发生着重大的变革.免疫学是在抗传染病的实践斗争中产生的,它所关心的是抗传染作用,因此,防御的观点,一开始就在免疫学中占据了支配地位.这样,自然就把免疫的发生完全归因于异己抗原的刺激,把免疫看作是单纯地认识并排斥异己的反应.对于自己当然是不认识、不排斥的,因为认识自己的细胞均属“禁忌”之列.但事实并非如此.首先,自身抗体和自身免疫病的出现,就足以说明认识自己的细 At present, one of the most important questions about immunology is not awareness of alien, but awareness of ourselves, and the basic concept of immunization is also undergoing major changes.Immunology is in the fight against infectious diseases From the practical struggle, which is concerned with the role of anti-infective, therefore, the point of view of defense occupy the dominant position in immunology from the very beginning, thus, naturally, the occurrence of immunity is completely attributed to the stimulation of alien antigen, Immune as a simple understanding of and rejection of dissident reaction of course, do not know for themselves, not exclusive, because know their own cells are “taboo.” But this is not the case.First of all, autoantibodies and The emergence of autoimmune diseases is enough to explain their own understanding of the fine