abstract |
(57) [Summary] Gene encoding tumor specific antigen peptide, And a gene therapy or diagnostic agent and a novel antitumor agent. SOLUTION: A tumor-specific antigen peptide which contains at least an amino acid sequence constituting the c ", c or a subunit of V-ATPase and is specifically expressed in a tumor, an antibody against the peptide, and DNA or RNA encoding the peptide Novel application as a gene therapy or diagnostic agent, and a proton pump inhibitor as an antitumor agent, using the same. |