The role of cGAS-STING signalling in liver diseases.

The role of cGAS-STING signalling in liver diseases.
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cGAS-STING 信号在肝脏疾病中的作用

DOI:
10.1016/j.jhepr.2021.100324
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发表时间:
2021-10
期刊:
JHEP reports : innovation in hepatology
影响因子:
--
通讯作者:
Ling Q
Ling Q
中科院分区:
其他
文献类型:
--
作者:
Chen R;Du J;Zhu H;Ling Q

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最近发现的新型细胞质DNA传感器环GMP-AMP合成酶(cGAS)通过催化环GMP-AMP的合成来激活干扰素基因下游接头蛋白刺激因子(STING)。这反过来又通过释放各种细胞因子(包括I型干扰素)启动先天免疫反应。外源DNA(微生物感染)或内源DNA(核或线粒体渗漏)可以作为cGAS配体,并导致cGAS- sting信号的激活。因此,cGAS-STING通路在感染性疾病、无菌性炎症、肿瘤和自身免疫性疾病中发挥重要作用。此外,cGAS-STING信号通过自噬和代谢等其他机制影响肝脏炎症的进展。在这篇综述中,我们总结了cGAS-STING信号在不同肝脏疾病的先天免疫调节中的作用的最新进展。此外,我们还讨论了靶向cGAS-STING通路治疗肝脏疾病的治疗潜力。
The recently identified novel cytosolic DNA sensor cyclic GMP-AMP synthase (cGAS) activates the downstream adaptor protein stimulator of interferon genes (STING) by catalysing the synthesis of cyclic GMP-AMP. This in turn initiates an innate immune response through the release of various cytokines, including type I interferon. Foreign DNA (microbial infection) or endogenous DNA (nuclear or mitochondrial leakage) can serve as cGAS ligands and lead to the activation of cGAS-STING signalling. Therefore, the cGAS-STING pathway plays essential roles in infectious diseases, sterile inflammation, tumours, and autoimmune diseases. In addition, cGAS-STING signalling affects the progression of liver inflammation through other mechanisms, such as autophagy and metabolism. In this review, we summarise recent advances in our understanding of the role of cGAS-STING signalling in the innate immune modulation of different liver diseases. Furthermore, we discuss the therapeutic potential of targeting the cGAS-STING pathway in the treatment of liver diseases.
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