Neddylation: A Versatile Pathway Takes on Chronic Liver Diseases.

Neddylation: A Versatile Pathway Takes on Chronic Liver Diseases.
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Neddylation:治疗慢性肝病的多功能途径

DOI:
10.3389/fmed.2020.586881
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发表时间:
2020
影响因子:
3.9
通讯作者:
Zheng M
Zheng M
中科院分区:
医学3区
文献类型:
--
作者:
Yao J;Liang X;Liu Y;Zheng M

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Neddylation是一种泛素样的翻译后修饰,它将神经前体细胞表达的发育下调蛋白-8(Nedd 8)结合到特定的底物上以调节蛋白质活性。根据目前的研究,neddylation途径在许多疾病的发病机制中是异常的。在我们的综述中,我们总结了neddylation在慢性肝病(CLDs)中的多方面作用。CLD是全球慢性疾病相关死亡的主要原因之一。引起CLD的病因多种多样,主要包括B型肝炎病毒(HBV)感染、非酒精性脂肪性肝病(NAFLD)、长期暴露于酒精或药物以及自身免疫原因。然而,到目前为止,仍然缺乏有效的治疗方法CLDs。本文综述了neddylation通路在慢性B肝炎/非酒精性脂肪肝-肝纤维化-肝硬化-肝细胞癌(HCC)轴中的作用,这是CLD发生和发展过程中的典型模式。neddylation的失调可能会提供一个更好的了解CLD的病理,甚至是一个新的治疗策略。相应地,通过MLN 4924(一种靶向NEDD 8激活酶(NAE)的小分子化合物)抑制neddylation可有效缓解CLD进展并改善结局。在此基础上,分析和表征的neddylation途径可以提供新的见解CLD的病理以及新的治疗策略,独立的CLD的病因。
Neddylation is a ubiquitin-like posttranslational modification that conjugates neural precursor cell expressed developmentally downregulated-8 (Nedd8) to specific substrates for regulation of protein activity. In light of current researches, the neddylation pathway is aberrant in the pathogenesis of many diseases. In our review, we summarize the versatile roles of neddylation in chronic liver diseases (CLDs). CLDs are one of the leading causes of chronic disease-associated deaths worldwide. There are diverse etiologic agents causing CLDs, mainly including hepatitis B virus (HBV) infection, nonalcoholic fatty liver disease (NAFLD), chronic exposure to alcohol or drugs, and autoimmune causes. So far, however, there remains a paucity of effective therapeutic approach to CLDs. In this review, we summarized the role of the neddylation pathway which runs through the chronic hepatitis B/NAFLD–liver fibrosis–cirrhosis–hepatocellular carcinoma (HCC) axis, a canonical pattern in the process of CLD development and progression. The dysregulation of neddylation may provide a better understanding of CLD pathology and even a novel therapeutic strategy. Correspondingly, inhibiting neddylation via MLN4924, a small molecule compound targeting NEDD8-activating enzyme (NAE), can potently alleviate CLD progression and improve the outcome. On this basis, profiling and characterization of the neddylation pathway can provide new insights into the CLD pathology as well as novel therapeutic strategies, independently of the etiology of CLD.
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