Wenna Chi, Na Kang, Linlin Sheng, Sichen Liu, Lei Tao, Xizhi Cao, Ye Liu, Can Zhu, Yuming Zhang, Bolong Wu, Ruiqun Chen, Lili Cheng, Jing Wang, Xiaolin Sun, Xiaohui Liu, Haiteng Deng, Jinliang Yang, Zhanguo Li, Wanli Liu, Ligong Chen
Monocarboxylate transporter 1 (MCT1) exhibits essential roles in cellular metabolism and energy supply. Although MCT1 is highly expressed in activated B cells, it is not clear how MCT1-governed monocarboxylates transportation is functionally coupled to antibody production during the glucose metabolism. Here, we report that B cell-lineage deficiency of MCT1 significantly influences the class-switch recombination (CSR), rendering impaired IgG antibody responses in Mct1f/f Mb1Cre mice after immunization. Metabolic flux reveals that glucose metabolism is significantly reprogrammed from glycolysis to oxidative phosphorylation in Mct1-deficient B cells upon activation...
January 2, 2024: Nature Communications