Author:
Tong Xing,Ru Yuhua,Fu Jianhong,Wang Ying,Zhu Jinjin,Ding Yiyang,Lv Fulian,Yang Menglu,Wei Xiya,Liu Chenchen,Liu Xin,Lei Lei,Wu Xiaojin,Guo Lingchuan,Xu Yang,Li Jie,Wu Peng,Gong Huanle,Chen Jia,Wu Depei
Abstract
Natural killer (NK) cells have been demonstrated as a promising cellular therapy as they exert potent anti-tumor immune responses. However, applications of NK cells to tumor immunotherapy, especially in the treatment of advanced hematopoietic and solid malignancies, are still limited due to the compromised survival and short persistence of the transferred NK cells in vivo. Here, we observed that fucosyltransferase (FUT) 7 and 8 were highly expressed on NK cells, and the expression of CLA was positively correlated with the accumulation of NK cells in clinical B cell lymphoma development. Via enzyme-mediated ex vivo cell-surface fucosylation, the cytolytic effect of NK cells against B cell lymphoma was significantly augmented. Fucosylation also promoted NK cell accumulation in B cell lymphoma-targeted tissues by enhancing their binding to E-selectin. Moreover, fucosylation of NK cells also facilitated stronger T cell anti-tumor immune responses. These findings suggest that ex vivo fucosylation contributes to enhancing the effector functions of NK cells and may serve as a novel strategy for tumor immunotherapy.
Funder
National Natural Science Foundation of China
National Key Research and Development Program of China
Jiangsu Provincial Key Research and Development Program
Priority Academic Program Development of Jiangsu Higher Education Institutions
Jiangsu Provincial Medical Center
Science and Technology Program of Suzhou
Subject
Immunology,Immunology and Allergy
Cited by
6 articles.
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