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作者以丙型肝炎病毒（HCV）第二包膜蛋白（E2）为抗原,制成酶免疫法试剂（E2EIA）,检测病人血中E2抗体,得到满意结果。研究所用的E2序列是从黑猩猩血浆中第二代HCV-H株（1a基因型）中获得的编码388～664位氨基酸的序列,将其cDNA插入家兔重链信号序列和人尿激酶原氨基端序列
In this study, HCV E2 antigen was used as antigen to prepare E2EIA, and E2 antibody was detected in blood of patients with satisfactory results. The E2 sequence used in the study was a sequence encoding amino acids 388 to 664 obtained from the second generation HCV-H strain (1a genotype) in chimpanzee plasma and the cDNA was inserted into the rabbit heavy chain signal sequence and human urokinase amino group End sequence