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An engineered oncolytic virus expressing PD-L1 inhibitors activates tumor neoantigen-specific T cell responses
oleh: Guan Wang, Xi Kang, Katherine S. Chen, Tiffany Jehng, Lindsey Jones, Jie Chen, Xue F. Huang, Si-Yi Chen
Format: | Article |
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Diterbitkan: | Nature Portfolio 2020-03-01 |
Deskripsi
Oncolytic viruses can activate tumor neoantigen-specific T cell responses. However, PD-L1 upregulation on tumor cells and immune cells leads to tumor resistance to this immunotherapy approach. Here, the authors develop an oncolytic virus which expresses both a PD-L1 inhibitor and GM-CSF which allows an improved tumor neoantigen-specific T cell response in preclinical models.