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目前恶性肿瘤已成为我国死亡率较高的疾病之一。随着分子杂交技术的发展 ,近年出现了一批新的肿瘤标志物 ,ＣＡ19- 9就是其中之一。ＣＡ19- 9是Ｋｏｐｒｏｗｓｋｉ等人用大肠癌细胞系ＳＷ 116免疫小鼠制得的单克隆抗体 ,是一种糖链抗原 ,在血中以唾液酸形式存在。在正常人血清?
At present, malignant tumors have become one of the diseases with high mortality in China. With the development of molecular hybridization technology, a number of new tumor markers have emerged in recent years. CA19-9 is one of them. CA19-9 is a monoclonal antibody produced by Koprowski et al. In mice immunized with the colorectal cancer cell line SW 116 and is a sugar chain antigen present in blood as a sialic acid. In normal human serum?