摘要:
The invention relates to the use of a tumor cell for producing a vaccine for the treatment or prophylaxis of tumors in patients, said tumor cell expressing a costimulatory polypeptide and said tumor cell and said patient having non-identical MHC molecules. The invention further relates to the use of a costimulatory polypeptide-expressing tumor cell for producing a vaccine for increasing the lytic activity of NK cells in the treatment or prophylaxis of a tumor in a patient that is allogenic with respect to the tumor cell.