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中文摘要：
目的：筛选鉴定口腔扁平苔藓（OLP）治疗前后唾液中的差异蛋白，探讨化湿行瘀清热方剂对口腔扁平苔藓患者唾液中差异蛋白的影响。方法：收集OLP患者化湿行瘀清热方剂治疗前后的唾液，提取唾液总蛋白．应用双向荧光差异凝胶电泳和液相色谱一质谱联用技术筛选鉴定差异蛋白，蛋白质印迹法检测差异蛋白的表达情况。结果：筛选鉴定出OLP患者化湿行瘀清热方剂治疗前后6种差异蛋白：分泌型IgA、血清白蛋白、IgM、唾液淀粉酶、碳酸酐酶6、锌α2糖蛋白。OLP患者治疗后较治疗前唾液中IgA表达量升高，血清白蛋白、IgM、碳酸酐酶6和锌α2糖蛋白治疗后较治疗前表达量下降，差异具有统计学意义（P〈0．05）。结论：OLP患者化湿行瘀清热方剂治疗前后唾液中存在差异蛋白，并可能在OLP的发生发展中起着重要作用。
英文摘要：
Objective To analyze the effect of Huashi Xingyu Qingre decoction therapy through identification of the differentially expressed saliva proteins of oral lichen planus. Method The saliva of OLP patients before and after treatment were collected. Total saliva proteins were extracted. The differentially expressed saliva proteins were screened by two-dimensional fluorescence difference gel electrophoresis and identified by liquid chromatography-mass spectrometry. The differentially expressed proteins were analyzed by Western-blot. Results Six differentially expressed proteins were identified as salivary amylase, serum albumin, IgM, carbonic anhydrase VI, zinc-α2- glycoprote and sIgA. The expression level of serum albumin, IgM, carbonic anhydrase VI and zinc- α2- glyeoprotein after treatment were lower than that before. However, the expression level of sIgA was higher. The differences were statistically significant. Conclusions Some differentially expressed saliva proteins of OLP before and after Huashi Xingyu Qingre decoction therapy are characterized, and they may play a vital part in the occurrence and development of OLP.
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