自身免疫性疾病什么是自身免疫性疾病自身免疫反应和自身免疫性疾病有所不同。自身免疫反应是指机体对自身抗原能形成自身抗体或致敏淋巴细胞。正常人血清中可以有多种对抗自身抗原的抗体(如抗核抗体、平滑肌抗体、微粒体抗体、线粒体抗体等),但它们一般不引起自身组织损伤。自身免疫反应不一定引起自身免疫性疾病。自身免疫反应如果达到一定强度以致能破坏自身正常组织结构,并引起临床症状时,称为 Autoimmune diseases What are autoimmune diseases? Autoimmune reactions and autoimmune diseases are different. Autoimmune reaction refers to the body of its own antigens can form autoantibodies or sensitized lymphocytes. Normal human serum can have a variety of anti-autoantigen antibodies (such as anti-nuclear antibodies, smooth muscle antibodies, microsomal antibodies, mitochondrial antibodies, etc.), but they generally do not cause their own tissue damage. Autoimmune reactions do not necessarily cause autoimmune diseases. If the autoimmune response reaches a certain intensity so as to undermine the normal tissue structure and cause clinical symptoms, it is called