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논문 기본 정보

자료유형
학술저널
저자정보
Jae Hun Shin (Research Institute National Cancer Center) Hyung Bae Park (Research Institute National Cancer Center) Kyungho Choi (Seoul National University)
저널정보
대한면역학회 Immune Network Immune Network Vol.16 No.2
발행연도
2016.4
수록면
134 - 139 (6page)

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초록· 키워드

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Programmed death-1 (PD-1) is a strong negative regulator of T lymphocytes in tumor-microenvironment. By engaging PD-1 ligand (PD-L1) on tumor cells, PD-1 on T cell surface inhibits anti-tumor reactivity of tumor-infiltrating T cells. Systemic blockade of PD-1 function using blocking antibodies has shown significant therapeutic efficacy in clinical trials. However, approximately 10 to 15% of treated patients exhibited serious autoimmune responses due to the activation of self-reactive lymphocytes. To achieve selective activation of tumor-specific T cells, we generated T cells expressing a dominant-negative deletion mutant of PD-1 (PD-1 decoy) via retroviral transduction. PD-1 decoy increased IFN-γ secretion of antigen-specific T cells in response to tumor cells expressing the cognate antigen. Adoptive transfer of PD-1 decoy-expressing T cells into tumor-bearing mice potentiated T cell-mediated tumor regression. Thus, T cell-specific blockade of PD-1 could be a useful strategy for enhancing both efficacy and safety of anti-tumor T cell therapy.

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INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
REFERENCES

참고문헌 (22)

참고문헌 신청
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