Yongxiang Liu, Zifeng Wang, Huan Jin, Lei Cui, Bitao Huo, Chunyuan Xie, Jiahui Li, Honglu Ding, Huanling Zhang, Wenjing Xiong, Mengyun Li, Hongxia Zhang, Hui Guo, Chunwei Li, Tiantian Wang, Xiaojuan Wang, Wenzhuo He, Zining Wang, Jin-Xin Bei, Peng Huang, Jinyun Liu, Xiaojun Xia
The importance of trained immunity in antitumor immunity has been increasingly recognized, but the underlying metabolic regulation mechanisms remain incompletely understood. In this study, we find that squalene epoxidase (SQLE), a key enzyme in cholesterol synthesis, is required for β-glucan-induced trained immunity in macrophages and ensuing antitumor activity. Unexpectedly, the shunt pathway, but not the classical cholesterol synthesis pathway, catalyzed by SQLE, is required for trained immunity induction...
April 11, 2024: Cell Reports