161 Development of a CD8 co-receptor independent T cell receptor specific for tumor-associated antigen MAGE-A4 for next generation T cell-based immunotherapy by Daniel Sommermeyer, Christian Ellinger, Giulia Longinotti, Dolores Schendel, Kathrin Davari, Tristan Holland, Laura Prassmayer, Kenneth Ganley, Lisa Pechilis, Iulia Diaconu, Prashant Nambiar, Mike Magee, Rer Nat