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不调节的谷氨代谢会损害急性白血病患者的自然杀手细胞功能

Yue Zhao¹, Yan Wang², Tingting Liang¹

¹Department of Hematology, The First Affiliated Hospital of USTC, National Key Laboratory of Immune Response and Immunotherapy, Center for Advanced Interdisciplinary Science and Biomedicine of IHM, Institute of Blood and Cell Therapy and Anhui Provincial Key Laboratory of Blood Research and Applications, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; Institute of Immunology, The CAS Key Laboratory of Innate Immunity and Chronic Disease, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230022, China.

International immunopharmacology

|April 4, 2025

概括

急性白血病通过破坏谷氨 (GSH) 代谢来损害自然杀手 (NK) 细胞的功能,导致线粒体功能障碍. 补充GSH前体GSHEE,恢复NK细胞活性并增强抗白血病免疫力.

科学领域:

免疫学免疫学免疫学
细胞生物学细胞生物学
生物化学生物化学

背景情况:

自然杀手 (NK) 细胞功能障碍在急性白血病患者中削弱了抗瘤免疫力.
在急性白血病中NK细胞损伤的机制仍然不完全理解.

研究的目的:

调查谷氨 (GSH) 代谢在急性白血病NK细胞功能障碍中的作用.
探索基于GSH的干预措施的治疗潜力,以恢复NK细胞功能.

主要方法:

从急性白血病患者的NK细胞进行流细胞计和转录基因分析.
评估细胞内GSH水平,氧化还原稳定和线粒体功能.
评估谷氨减少乙烯 (GSHEE) 补充剂对NK细胞活性的影响.

主要成果:

急性白血病NK (AL-NK) 细胞表现出减少的细胞内GSH,破坏的氧化还原平衡,并增加了线粒体的活性氧物种.
失调的GSH代谢会损害线粒体功能,抗白血病细胞毒性和AL-NK细胞的增殖.
补充GSHEE恢复GSH水平,增强线粒体活动,ATP生产和NK细胞细胞毒性,同时激活mTOR通路.

结论:

失调的GSH代谢是急性白血病NK细胞功能障碍的关键驱动因素.
通过GSHEE治疗,可以恢复NK细胞的功能,并增强针对急性白血病的免疫疗法.

关键词:

患有急性白血病的人.细胞毒性细胞毒性葡萄糖氨酸 (Glutathione) 是一种线粒体中的线粒体.自然杀手细胞是自然杀手细胞.通过RNA测序进行RNA测序.

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