Role of TFEB lactylation

IF 17.3 1区 生物学 Q1 CELL BIOLOGY Nature Cell Biology Pub Date : 2024-10-11 DOI:10.1038/s41556-024-01533-5
Petra Gross
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TFEB 乳化作用
乳化(用乳酸对赖氨酸进行共价修饰)是最近才被发现的一种翻译后修饰,其底物的全部范围以及生理作用和影响才刚刚开始被揭示。刘伟及其同事报告了溶酶体生物生成和自噬的主调控因子TFEB的乳酸化作用,这种作用导致TFEB稳定并促进自噬。通过探讨TFEB稳定的机制,作者发现TFEB中唯一的乳酸化位点K91的乳酸化作用阻止了它与E3泛素连接酶WWP2的相互作用,抑制了它的泛素化和随后的蛋白酶体降解。这些发现也与癌症有关;通过使用他们生成的特异性抗乳酸-K91抗体,作者在人类原发性胰腺导管腺癌样本中检测到了TFEB乳酸化水平的升高,指出了已知的癌细胞自噬增加的可能分子机制。
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来源期刊
Nature Cell Biology
Nature Cell Biology 生物-细胞生物学
CiteScore
28.40
自引率
0.90%
发文量
219
审稿时长
3 months
期刊介绍: Nature Cell Biology, a prestigious journal, upholds a commitment to publishing papers of the highest quality across all areas of cell biology, with a particular focus on elucidating mechanisms underlying fundamental cell biological processes. The journal's broad scope encompasses various areas of interest, including but not limited to: -Autophagy -Cancer biology -Cell adhesion and migration -Cell cycle and growth -Cell death -Chromatin and epigenetics -Cytoskeletal dynamics -Developmental biology -DNA replication and repair -Mechanisms of human disease -Mechanobiology -Membrane traffic and dynamics -Metabolism -Nuclear organization and dynamics -Organelle biology -Proteolysis and quality control -RNA biology -Signal transduction -Stem cell biology
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