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DNA damage caused by internal or external factors lead to increased genomic instability and various diseases. The DNA damage response (DDR) is a crucial mechanism that maintaining genomic stability through detecting and repairing DNA damage timely. Post-translational modifications (PTMs) play significant roles in regulation of DDR. Among the present PTMs, crotonylation has emerged as a novel identified modification that is involved in a wide range of biological processes including gene expression, spermatogenesis, cell cycle, and the development of diverse diseases. In the past decade, numerous crotonylation sites have been identified in histone and non-histone proteins, leading to a more comprehensive and deep understanding of the function and mechanisms in protein crotonylation. This review provides a comprehensive overview of the regulatory mechanisms of protein crotonylation and the effect of crotonylation in DDR. Furthermore, the effect of protein crotonylation in tumor development and progression is presented, to inspire and explore the novel strategies for tumor therapy. Copyright © 2023 Elsevier Inc. All rights reserved.


Pengfei Ji, Guokun Zhang, Yanan Guo, Haoyun Song, Xinyi Yuan, Xiaohui Hu, Zhao Guo, Peng Xia, Rong Shen, Degui Wang. Protein crotonylation: An emerging regulator in DNA damage response. Life sciences. 2023 Oct 15;331:122059

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PMID: 37652154

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