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Metabolic regulation of organelle homeostasis in lupus T cells

机译:狼疮T细胞中细胞器稳态的代谢调节

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摘要

Abnormal T-cell signaling and activation are characteristic features in systemic lupus erythematosus (SLE). Lupus T cells are shifted toward an over-activated state, important signaling pathways are rewired, and signaling molecules are replaced. Disturbances in metabolic and organelle homeostasis, importantly within the mitochondrial, endosomal, and autophagosomal compartments, underlie the changes in signal transduction. Mitochondrial hyperpolarization, enhanced endosomal recycling, and dysregulated autophagy are hallmarks of pathologic organelle homeostasis in SLE. This review is focused on the metabolic checkpoints of endosomal traffic that control immunological synapse formation and mitophagy and may thus serve as targets for treatment in SLE.
机译:T细胞信号转导和激活异常是系统性红斑狼疮(SLE)的特征。狼疮T细胞向过度激活状态转移,重新建立了重要的信号通路,并替换了信号分子。代谢和细胞器稳态的干扰,尤其是线粒体,内体和自噬体区室中的干扰,是信号传导变化的基础。线粒体超极化,增强的内体再循环和自噬失调是SLE病理细胞器稳态的标志。这篇综述的重点是控制免疫突触形成和线粒体吞噬的内体运输代谢检查点,因此可作为SLE治疗的靶点。

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