大量免疫学资料表明,许多疾病的发病与自身免疫有关。近年来有关自身免疫性疾病的病因及发病机理的研究十分活跃并有了较大的进展。目前一般认为自身免疫反应应视为机体正常防御功能的一部分,可列入免疫监视名下。自身免疫反应的强度若限于一定范围内,一般不致于引起疾病,如强度超过 A large number of immunological data show that many diseases related to autoimmunity. In recent years, the research on the etiology and pathogenesis of autoimmune diseases is very active and has made great progress. It is generally believed that the autoimmune response should be considered as part of the normal defensive function of the body can be included in the name of immunosurveillance. If the intensity of the autoimmune reaction is limited to a certain range, it generally will not cause disease, such as the intensity exceeds