#$%^&*AU2014201009A120140313.pdf#####TUMOR ANTIGENS BFA5 FOR PREVENTION AND/OR TREATMENT OF CANCER Abstract The present invention relates to a nucleic acid encoding a polypeptide and the use of the nucleic acid or polypeptide in preventing and/or treating cancer. In particular, the invention relates to improved vectors for the insertion and expression of foreign genes encoding tumor antigens for use in immunotherapeutic treatment of cancer.