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皮肌炎是具有皮炎和肌炎的自身免疫性疾病,皮肌炎可单独存在或与系统性红斑狼疮、硬皮病、类风湿等其它自身免疫性疾病重叠存在。40岁以上患者20%~30%合并恶性肿瘤,有发现其病因与病毒或弓形体感染有关。载脂蛋白E(ApoE)是血浆中重要的载脂蛋白之一,是一种多态性蛋白,主要在肝脏中合成及代谢,此外脾、脑、肺、肾、卵巢、
Dermatomyositis is an autoimmune disease with dermatitis and myositis. Dermatomyositis can be present alone or in combination with other autoimmune diseases such as systemic lupus erythematosus, scleroderma and rheumatoid arthritis. 20% to 30% of patients over the age of 40 with malignant tumors, and found that the etiology and the virus or toxoplasmosis related. Apolipoprotein E (ApoE) is one of the most important apolipoproteins in plasma. It is a polymorphic protein that is mainly synthesized and metabolized in the liver. In addition, ApoE, spleen, brain, lung, kidney, ovary,