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Mathios, Dimitrios; Kim, Jennifer E; Mangraviti, Antonella; Phallen, Jillian; Park, Chul-Kee; Jackson, Christopher M; Garzon-Muvdi, Tomas; Kim, Eileen; Theodros, Debebe; Polanczyk, Magdalena; Martin, Allison M; Suk, Ian; Ye, Xiaobu; Tyler, Betty; Bettegowda, Chetan; Brem, Henry; Pardoll, Drew M; Lim, Michael
Science translational medicine, 12/2016, Letnik: 8, Številka: 370Journal Article
The immunosuppressive effects of chemotherapy present a challenge for designing effective cancer immunotherapy strategies. We hypothesized that although systemic chemotherapy (SC) exhibits negative immunologic effects, local chemotherapy (LC) can potentiate an antitumor immune response. We show that LC combined with anti-programmed cell death protein 1 (PD-1) facilitates an antitumor immune response and improves survival (P < 0.001) in glioblastoma. LC-treated mice had increased infiltration of tumor-associated dendritic cells and clonal expansion of antigen-specific T effector cells. In comparison, SC resulted in systemic and intratumoral lymphodepletion, with decreased immune memory in long-term survivors. Furthermore, adoptive transfer of CD8 cells from LC-treated mice partially rescued SC-treated mice after tumor rechallenge. Last, the timing of chemo- and immunotherapy had differential effects on anti-PD-1 efficacy. This study suggests that both mode of delivery and timing have distinct effects on the efficacy of anti-PD-1. The results of this work could help guide the selection and scheduling of combination treatment for patients with glioblastoma and other tumor types.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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