MAGEA1 and Miyoshi myopathy: In vivo efficacy of three of the identified TCRs, namely, 4F7 (MAGE-A1 KVL/A2), 3H4 (MAGE-A1 SLF/A3), and 10C1 (MAGE-A1 VRF/C7), were determined in an orthotopic xenograft model for established MM.12