Molecular Interrogation to Crack the Case of O-GlcNAc.

Molecular Interrogation to Crack the Case of O-GlcNAc.
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DOI:
10.1002/chem.202000155
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发表时间:
2020-09-21
期刊:
Chemistry (Weinheim an der Bergstrasse, Germany)
影响因子:
--
通讯作者:
Jiang J
Jiang J
中科院分区:
其他
文献类型:
--
作者:
Estevez A;Zhu D;Blankenship C;Jiang J

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O-连接的β-N-乙酰葡糖胺(O-GlcNAc)修饰,称为O-GlcNAc化,是细胞中必需的和动态的翻译后修饰。O-GlcNAc转移酶(OGT)在丝氨酸和苏氨酸残基上安装这种修饰,而O-GlcNAc酶(OGA)水解它。O-GlcNAc酰化和O-GlcNAc循环酶的失调已在许多疾病中检测到,包括癌症、糖尿病、心血管和神经退行性疾病。在这篇小综述中,我们将讨论最近的进展,在分子工具的发展,调查OGT和OGA的功能和底物识别。我们还将涵盖新的化学方法来研究O-GlcNAc动力学及其在免疫系统中的潜在作用。我们希望这篇小综述将鼓励在这些领域进行更多的研究,以促进对O-GlcNAc在生物学和疾病中的理解。O-GlcNAc研究的分子方法的最新进展,特别强调了解O-GlcNAc酰化及其循环酶(OGT和OGA)的功能作用和动态调节的化学工具。
The O-linked β-N-acetylglucosamine (O-GlcNAc) modification, termed O-GlcNAcylation, is an essential and dynamic post-translational modification in cells. O-GlcNAc transferase (OGT) installs this modification on serine and threonine residues while O-GlcNAcase (OGA) hydrolyzes it. O-GlcNAc modifications are found on thousands of intracellular proteins involved in diverse biological processes. Dysregulation of O-GlcNAcylation and O-GlcNAc cycling enzymes has been detected in many diseases including cancer, diabetes, cardiovascular and neurodegenerative diseases. In this minireview, we will discuss recent advances in the development of molecular tools to investigate OGT and OGA functions and substrate recognition. We will also cover new chemical approaches to study O-GlcNAc dynamics and its potential roles in the immune system. We hope this minireview will encourage more research in these areas to advance understanding of O-GlcNAc in biology and diseases. Recent advances in molecular approaches for O-GlcNAc study, with special emphasis on chemical tools to understand the functional roles and dynamic regulation of O-GlcNAcylation and its cycling enzymes (OGT and OGA).
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