Human monoclonal antibody to antigen of gastric cancer and B-cell line for producing this antibody, method for preparing this B-cell line and antibody, antigen and method of preparation of this antigen

摘要

The present invention relates to a human B-cell line capable of producing a human monoclonal antibody against an antigen found on gastric cancer cell lines or tissues. The B-cell line is formed by culturing B- cells of a lymph node obtained from a patient with gastric cancer and a HAT sensitive B-cell line. The antigen is also disclosed.