氨基酸代谢重编程对肝细胞癌免疫微环境的影响
DOI: 10.12449/JCH241226
Effect of amino acid metabolic reprogramming on immune microenvironment of hepatocellular carcinoma
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摘要: 肿瘤免疫微环境是由肿瘤免疫细胞及其分泌的细胞因子构成的肿瘤局部外环境,对肿瘤的发生和发展具有一定调控作用。在肝细胞癌的治疗中,氨基酸代谢及其对增殖细胞代谢的重编程日益受到关注,显示出在调控肿瘤免疫微环境中的潜力。尽管氨基酸代谢重编程被视为治疗肿瘤的新途径,但其在调控肝细胞癌中肿瘤免疫的具体机制尚未明确。本文深入探讨了氨基酸代谢在肝细胞癌肿瘤免疫微环境中的作用机制及其临床应用前景,旨在为肝癌的免疫治疗研究提供新的思路。Abstract: Tumor immune microenvironment is a local external tumor environment composed of tumor immune cells and the cytokines secreted by these cells, and it plays a regulatory role in the development and progression of tumors. In the treatment of hepatocellular carcinoma, amino acid metabolism and its reprogramming of proliferating cell metabolism have attracted more and more attention, showing potential in regulating the tumor immune microenvironment. Although amino acid metabolic reprogramming is regarded as a novel approach for tumor therapy, its specific mechanism remains unclear in the regulation of tumor immunity in hepatocellular carcinoma. This article discusses the mechanism of action of amino acid metabolism in the tumor immune microenvironment of hepatocellular carcinoma and its application prospect in clinical practice, in order to provide new ideas for immunotherapy for liver cancer.
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Key words:
- Carcinoma, Hepatocellular /
- Tumor Microenvironment /
- Amino Acids /
- Metabolism /
- Immunomodulation
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图 1 氨基酸代谢重编程对HCC免疫微环境的影响
注: Cys,半胱氨酸;GLUD,谷氨酸脱氢酶;α-KG,α-酮戊二酸;BCAA,支链氨基酸;LAT,L型氨基酸转运蛋白;BCKA,支链氨基酸酮酸;Arg,精氨酸;PI3K,磷脂酰肌醇三激酶;MAT2A,Met腺苷转移酶Ⅱα;SAHH,S-腺苷同型半胱氨酸水解酶;SAM,S-腺苷甲硫氨酸;STAT5,信号传导及转录激活蛋白5。
Figure 1. Effects of reprogramming amino acid metabolism on the immune microenvironment in hepatocellular carcinoma
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