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免疫学方法证实,胃癌胃液中存在胃癌相关抗原,简称胃癌抗原(GCA),电流显示该抗原位于β-区带,属于糖蛋白,是一种β一糖蛋白癌性抗原(β-GPCA)。以往报告的资料,多采用琼脂双扩散检测法,证明对于胃癌诊断有一定意义。为了对胃癌相关抗原作进一步分析评价,本文采用对流免疫电泳检测方法,着重探讨其在胃癌和非癌胃良性疾患鉴别诊断上的实用价值。
Immunological methods confirmed that there is gastric cancer-associated antigen in the gastric juice of stomach cancer, abbreviated as gastric cancer antigen (GCA), and the current shows that the antigen is located in the β-zone and belongs to glycoprotein and is a β-glycoprotein cancer antigen (β-GPCA). The previously reported data used agar diffusion double detection method, which proved to be of significance for the diagnosis of gastric cancer. For the purpose of further analysis and evaluation of gastric cancer-associated antigens, the method of countercurrent immunoelectrophoresis was used in this study, focusing on its practical value in the differential diagnosis of gastric cancer and non-cancer stomach benign diseases.