生物通报道,来自M.D Anderson Cancer Center免疫学系的科学家董晨教授今年8月曾在Science在线版上发表了辅助T细胞发育调控方面的最新研究进展,近期他的研究小组再度取得新进展,这次他们发现辅助T细胞17对肿瘤免疫具有重要的活性,相关成果文章T Helper 17 Cells Promote Cytotoxic T Cell Activation in Tumor Immunity发表在权威期刊,《Immunity》上。
生物通报道,来自M.D Anderson Cancer Center免疫学系的科学家董晨教授今年8月曾在Science在线版上发表了辅助T细胞发育调控方面的最新研究进展,近期他的研究小组再度取得新进展,这次他们发现辅助T细胞17对肿瘤免疫具有重要的活性,相关成果文章T Helper 17 Cells Promote Cytotoxic T Cell Activation in Tumor Immunity发表在权威期刊,《Immunity》上。
文章通讯作者是M.D Anderson Cancer Center免疫系的董晨教授,早年毕业于武汉大学,赴美留学时师从美国科学院院士Max Cooper教授(首个发现B细胞的科学家),董晨教授现任M.D Anderson Cancer Center免疫系正教授。
T Helper 17 Cells Promote Cytotoxic T Cell Activation in Tumor Immunity
Natalia Martin-Orozco1, Pawel Muranski4, Yeonseok Chung1, Xuexian O. Yang1, Tomohide Yamazaki1, Sijie Lu2, Patrick Hwu3, Nicholas P. Restifo4, Willem W. Overwijk3 and Chen Dong1, ,
1 Department of Immunology, MD Anderson Cancer Center, Houston, TX 77030, USA
2 Department of Stem Cell Transplantation and Cell Therapy, MD Anderson Cancer Center, Houston, TX 77030, USA
3 Department of Melanoma Medical Oncology, MD Anderson Cancer Center, Houston, TX 77030, USA
4 National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
【Summary】
Although T helper 17 (Th17) cells have been found in tumor tissues, their function in cancer immunity is unclear. We found that interleukin-17A (IL-17A)-deficient mice were more susceptible to developing lung melanoma. Conversely, adoptive T cell therapy with tumor-specific Th17 cells prevented tumor development. Importantly, the Th17 cells retained their cytokine signature and exhibited stronger therapeutic efficacy than Th1 cells. Unexpectedly, therapy using Th17 cells elicited a remarkable activation of tumor-specific CD8+ T cells, which were necessary for the antitumor effect. Th17 cells promoted dendritic cell recruitment into the tumor tissues and in draining lymph nodes increased CD8α+ dendritic cells containing tumor material. Moreover, Th17 cells promoted CCL20 chemokine production by tumor tissues, and tumor-bearing CCR6-deficient mice did not respond to Th17 cell therapy. Thus, Th17 cells elicited a protective inflammation that promotes the activation of tumor-specific CD8+ T cells. These findings have important implications in antitumor immunotherapies.