报告人:龙凌云 博士 美国圣裘德儿童研究医院(St. Jude Children’s Research Hospital, Memphis, TN, USA)
邀请人:张佩景教授
报告时间:2020年1月15日(周三)15:00-16:00
报告地点:华中科技大学东十一楼二楼大会议室
报告人简介:
龙凌云博士,美国圣裘德儿童研究医院(St. Jude Children’s Research Hospital, Memphis, TN, USA)博士后。2006年本科毕业于武汉大学生命科学学院,2013年获得中科院上海生命科学研究院博士学位。2014年至今在美国圣裘德儿童研究医院迟洪波教授(Chi hongbo)实验室接受博士后训练,长期从事抗病毒天然免疫、肿瘤免疫治疗等方面研究,以第一作者身份在国际著名期刊Nature、Immunity等发表了10余篇SCI论文。
报告摘要:
Adoptive cell therapy represents a new paradigm in cancer immunotherapy, but it can be limited by the poor persistence and function of transferred T cells. Here we use an in vivo pooled CRISPR–Cas9 mutagenesis screening approach to demonstrate that, by targeting REGNASE-1, CD8+ T cells are reprogrammed to long-lived effector cells with extensive accumulation, better persistence and robust effector function in tumours. REGNASE-1-deficient CD8+ T cells show markedly improved therapeutic efficacy against mouse models of melanoma and leukaemia. Our findings suggest that T cell persistence and effector function can be coordinated in tumour immunity and point to avenues for improving the efficacy of adoptive cell therapy for cancer.
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