METHOD, KIT, AND BIOMARKER FOR ASSISTING IN DIAGNOSIS OF COLON CANCER

摘要

The present invention addresses the problem of providing a biomarker that makes it possible to diagnose colon cancer.　The present invention relates to a biomarker that is for assisting in the diagnosis of colon cancer and that contains a sugar chain selected from among the following substances (1)-(4): (1) at least one sugar chain that is present in alpha 1-antitrypsin and represented by formula 1 or 2; (2) a sugar chain that is present in leucine-rich alpha-2 glycoprotein and represented by formula 1; (3) at least one sugar chain that is present in alpha 1-antichymotrypsin and represented by formula 1 or 2; and (4) a sugar chain that is present in complement component 9 and represented by formula 1.