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对64例采用胃癌单克隆抗体MG,进行ABC免疫组织化学染色36例胆囊癌,其MG_7相关抗原(MG_7-Aξ),阳性染色34例阳性率占94.4%,阴性2例。另外正常胆囊组织6例全为阴性。本组结果表明胆囊癌组织有高特异的MG_7-Aξ。胆囊癌可用胃癌单纯克隆抗体MG_7作ABC免疫组织化学染色进行诊断。
Sixty-four cases were treated with gastric cancer monoclonal antibody MG and ABC immunohistochemical staining was performed on 36 cases of gallbladder carcinoma. The MG_7-associated antigen (MG_7-A) was positive and the positive staining rate was 94.4% and negative in 2 cases. In addition, 6 cases of normal gallbladder tissue were all negative. This group of results showed that gallbladder cancer tissue has a high specificity of MG_7-A. Gallbladder cancer can be diagnosed by simple immunohistochemical staining of gastric cancer with monoclonal antibody MG_7.