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了解本病的病因,就易于掌握其临床特点而便于进行治疗高等动物免疫系统有高度识别能力,对自身抗原物质呈无反应性,称为自身耐受性,它是防止针对自身免疫反应的安全措施。在某些情况下,随年龄增长,老年人机体对自身抗原逐渐发生免疫反应,出现自身免疫现象。因此在正常人血清中可检出低量的自身抗体或自身致敏淋巴细胞,这时不仅不会破坏自身正常组织,还有消除机体衰变的自身成分的作用,本质上它属于生理现象,以保持机体的稳定机制,只有当自身免疫反应持续不断,而产
To understand the etiology of the disease, it is easy to grasp the clinical features and easy to treat High animal immune system has a high degree of recognition of the anti-substance itself was non-reactive, known as self-tolerance, it is to prevent the immune response against the safety Measures. In some cases, with age, the elderly gradually self-antigen immune response, the emergence of autoimmune phenomenon. Therefore, in normal human serum can detect a low amount of autoantibodies or self-sensitized lymphocytes, then not only will not destroy their own normal tissue, but also to eliminate the body’s decay of its own components, in essence, it belongs to the physiological phenomenon to Maintain the body’s stability mechanism, and only when the autoimmune response continues, and production