期刊
SCIENCE
卷 339, 期 6124, 页码 1219-1224出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1233913
关键词
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资金
- Cancer Research Institute Investigator Award
- Cancer Research Foundation Young Investigator Award
- American Cancer Society Institutional Research Grant [IRG-58-004]
- University of Chicago Comprehensive Cancer Center [P30 CA14599]
- MSKCC Comprehensive Cancer Center [P30 CA008748]
- Howard Hughes Medical Institute
- [R01 (1R01CA160371-01)]
Despite considerable interest in the modulation of tumor-associated Foxp3+ regulatory T cells (T-regs) for therapeutic benefit, little is known about the developmental origins of these cells and the nature of the antigens that they recognize. We identified an endogenous population of antigen-specific T-regs (termed MJ23 T-regs) found recurrently enriched in the tumors of mice with oncogene-driven prostate cancer. MJ23 T-regs were not reactive to a tumor-specific antigen but instead recognized a prostate-associated antigen that was present in tumor-free mice. MJ23 T-regs underwent autoimmune regulator (Aire)-dependent thymic development in both male and female mice. Thus, Aire-mediated expression of peripheral tissue antigens drives the thymic development of a subset of organ-specific T-regs, which are likely coopted by tumors developing within the associated organ.
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