Rhus chinensis Mill. is a traditional Chinese medicine (TCM) which is commonly used for cancer treatments. Our previous work had proven that triterpenoids of Rhus chinensis (TER) could effectively regulate glycolysis involved in colorectal cancer (CRC) and play an important role in the prevention of T-cells dysfunction. This study aimed to systematically investigate the effects and mechanisms of TER on glucose metabolism in CRC, while the regulatory mechanisms of TER on restoring T-cells function and activity in CRC were explored as well. The extract of triterpenoids from Rhus chinensis was obtained, and production of lactic acid and glucose uptake were assayed. Also, the expression of CD8+ T-cells surface markers, cytokines secreted by CD8+ T cells, and the expression of key glycolytic enzymes and glucose deprivation induced by tumor cells were further examined. Notably, results showed that TER prevented the dysfunction in CD8+ T cells by enhancing mTOR activity and subsequent cellular metabolism. Furthermore, our findings also demonstrated that TER promoted glycolytic gene expression in CD8+ T cells in vivo, and significantly inhibited tumor growth. Altogether, our studies suggested that TER not only reversed effector CD8+ T-cells dysfunction and enhanced T-cells recognition, but also improved tumor microenvironment, thereby providing new insight into the prevention and treatment of CRC with TCM.Keywords: CD8+ T-cells; Rhus chinensis Mill; colorectal cancer; glycolysis; triterpenoids.

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乐备实（上海优宁维生物科技股份有限公司旗下全资子公司），是国内专注于提供高质量蛋白检测以及组学分析服务的实验服务专家，自2018年成立以来，乐备实不断寻求突破，公司的服务技术平台已扩展到单细胞测序、空间多组学、流式检测、超敏电化学发光、Luminex多因子检测、抗体芯片、PCR Array、ELISA、Elispot、PLA蛋白互作、多色免疫组化、DSP空间多组学等30多个，建立起了一套涵盖基因、蛋白、细胞以及组织水平实验的完整检测体系。

 
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