Identification of Neoantigen-Reactive Tumor-Infiltrating Lymphocytes in Primary Bladder Cancer.

作者: Vid Leko , Lucas A. McDuffie , Zhili Zheng , Jared J. Gartner , Todd D. Prickett

DOI: 10.4049/JIMMUNOL.1801022

关键词:

摘要: Immune checkpoint inhibitors are effective in treating a variety of malignancies, including metastatic bladder cancer. A generally accepted hypothesis suggests that immune induce tumor regressions by reactivating population endogenous tumor-infiltrating lymphocytes (TILs) recognize cancer neoantigens. Although previous studies have identified neoantigen-reactive TILs from several types cancer, no study to date has shown whether can be found tumors. To address this, we generated TIL cultures patients with primary and tested their ability tumor-specific mutations. We CD4+ one patient recognized mutated C-terminal binding protein 1 an MHC class II-restricted manner. This finding reside which may help explain the effectiveness blockade this disease also provides rationale for future use adoptive T cell therapy targeting neoantigens

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