Characterization of tumor-infiltrating T cells by TCR-β repertoire analyses

Local administration of IFN-α-producing proliferating myeloid cells (IFN-α-iPSC-pMCs) inhibited the tumor growth not only at the treatment site but also at the distant site (left). T cell receptor (TCR)-β chain repertoire and complementarity determining region 3 (CDR3) gene sequence analyses of tumor-infiltrating lymphocytes (TILs) showed marked enrichment of T cells with identical TCR-β chains in bilateral tumor tissues. TCR-β repertoire analyses of IFN-α-iPSC-pMC-treated tumor, distant tumor, and spleen (2 mice)