Patent ID: 7575938

Claim:
A method for diagnosing liver disease selected from a group consisting of chronic hepatitis, liver cirrhosis and hepatocarcinoma with liver cirrhosis, comprising: contacting a monoclonal antibody which reacts only with asialo α1-acid glycoprotein and does not react with heptoglobin and α2-macroglobulin and lectin RCA ( Ricinus communis agglutinin) recognizing asialo glycoprotein with a test sample to measure an amount of asialo α1-acid glycoprotein (AsAGP), in which the monoclonal antibody is the subclass IgG 1 produced from the mouse cell line deposited with the Korea Research Institute of Bioscience and Biotechnology having accession number KCTC 10261 BP; measuring an amount of complexes formed between the antibody and AsAGP in the test sample; and relating a measured amount of AsAGP in the test sample to a diagnosis of whether the test sample is from a person having the liver disease, wherein the liver disease is selected from the group consisting of chronic hepatitis, liver cirrhosis and hepatocarcinoma with liver cirrhosis, and wherein a cutoff value for diagnosing that the test sample is from the person having said liver disease is above 1.50 λg/ml.