The disruptor of telomeric silencing 1-like (DOT1L) promotes peritoneal fibrosis through the upregulation and activation of protein tyrosine kinases

Abstract The disruptor of telomeric silencing 1-like (DOT1L), a specific histone methyltransferase that catalyzed methylation of histone H3 on lysine 79, was associated with the pathogenesis of many diseases, but its role in peritoneal fibrosis remained unexplored. Here, we examined the role of DOT1...

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Main Authors: Min Tao, Yingfeng Shi, Hui Chen, Jinqing Li, Yi Wang, Xiaoyan Ma, Lin Du, Yishu Wang, Xinyu Yang, Yan Hu, Xun Zhou, Qin Zhong, Danying Yan, Andong Qiu, Shougang Zhuang, Na Liu
Format: Article
Language:English
Published: Springer 2024-01-01
Series:Molecular Biomedicine
Subjects:
Online Access:https://doi.org/10.1186/s43556-023-00161-z
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author Min Tao
Yingfeng Shi
Hui Chen
Jinqing Li
Yi Wang
Xiaoyan Ma
Lin Du
Yishu Wang
Xinyu Yang
Yan Hu
Xun Zhou
Qin Zhong
Danying Yan
Andong Qiu
Shougang Zhuang
Na Liu
author_facet Min Tao
Yingfeng Shi
Hui Chen
Jinqing Li
Yi Wang
Xiaoyan Ma
Lin Du
Yishu Wang
Xinyu Yang
Yan Hu
Xun Zhou
Qin Zhong
Danying Yan
Andong Qiu
Shougang Zhuang
Na Liu
author_sort Min Tao
collection DOAJ
description Abstract The disruptor of telomeric silencing 1-like (DOT1L), a specific histone methyltransferase that catalyzed methylation of histone H3 on lysine 79, was associated with the pathogenesis of many diseases, but its role in peritoneal fibrosis remained unexplored. Here, we examined the role of DOT1L in the expression and activation of protein tyrosine kinases and development of peritoneal fibrosis. We found that a significant rise of DOT1L expression in the fibrotic peritoneum tissues from long-term PD patients and mice. Inhibition of DOT1L significantly attenuated the profibrotic phenotypic differentiation of mesothelial cells and macrophages, and alleviated peritoneal fibrosis. Mechanistically, RNA sequencing and proteomic analysis indicated that DOT1L was mainly involved in the processes of protein tyrosine kinase binding and extracellular matrix structural constituent in the peritoneum. Chromatin immunoprecipitation (ChIP) showed that intranuclear DOT1L guided H3K79me2 to upregulate EGFR in mesothelial cells and JAK3 in macrophages. Immunoprecipitation and immunofluorescence showed that extranuclear DOT1L could interact with EGFR and JAK3, and maintain the activated signaling pathways. In summary, DOT1L promoted the expression and activation of tyrosine kinases (EGFR in mesothelial cells and JAK3 in macrophages), promoting cells differentiate into profibrotic phenotype and thus peritoneal fibrosis. We provide the novel mechanism of dialysis-related peritoneal fibrosis (PF) and the new targets for clinical drug development. DOT1L inhibitor had the PF therapeutic potential.
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spelling doaj.art-663f44a745d44c06ba98b3ce59acfa262024-01-07T12:04:40ZengSpringerMolecular Biomedicine2662-86512024-01-015111610.1186/s43556-023-00161-zThe disruptor of telomeric silencing 1-like (DOT1L) promotes peritoneal fibrosis through the upregulation and activation of protein tyrosine kinasesMin Tao0Yingfeng Shi1Hui Chen2Jinqing Li3Yi Wang4Xiaoyan Ma5Lin Du6Yishu Wang7Xinyu Yang8Yan Hu9Xun Zhou10Qin Zhong11Danying Yan12Andong Qiu13Shougang Zhuang14Na Liu15Department of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineShanghai Key Laboratory of Maternal and Fetal Medicine, Clinical and Translational Research Center of Shanghai First Maternity & Infant Hospital, School of Life Sciences and Technology, Tongji UniversityDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineDepartment of Nephrology, Pudong New District, Shanghai East Hospital, Tongji University School of MedicineAbstract The disruptor of telomeric silencing 1-like (DOT1L), a specific histone methyltransferase that catalyzed methylation of histone H3 on lysine 79, was associated with the pathogenesis of many diseases, but its role in peritoneal fibrosis remained unexplored. Here, we examined the role of DOT1L in the expression and activation of protein tyrosine kinases and development of peritoneal fibrosis. We found that a significant rise of DOT1L expression in the fibrotic peritoneum tissues from long-term PD patients and mice. Inhibition of DOT1L significantly attenuated the profibrotic phenotypic differentiation of mesothelial cells and macrophages, and alleviated peritoneal fibrosis. Mechanistically, RNA sequencing and proteomic analysis indicated that DOT1L was mainly involved in the processes of protein tyrosine kinase binding and extracellular matrix structural constituent in the peritoneum. Chromatin immunoprecipitation (ChIP) showed that intranuclear DOT1L guided H3K79me2 to upregulate EGFR in mesothelial cells and JAK3 in macrophages. Immunoprecipitation and immunofluorescence showed that extranuclear DOT1L could interact with EGFR and JAK3, and maintain the activated signaling pathways. In summary, DOT1L promoted the expression and activation of tyrosine kinases (EGFR in mesothelial cells and JAK3 in macrophages), promoting cells differentiate into profibrotic phenotype and thus peritoneal fibrosis. We provide the novel mechanism of dialysis-related peritoneal fibrosis (PF) and the new targets for clinical drug development. DOT1L inhibitor had the PF therapeutic potential.https://doi.org/10.1186/s43556-023-00161-zDisruptor of telomeric silencing 1-likeDi-methylation of histone H3 on lysine-79Epidermal growth factor receptorJanus kinase 3Peritoneal fibrosis
spellingShingle Min Tao
Yingfeng Shi
Hui Chen
Jinqing Li
Yi Wang
Xiaoyan Ma
Lin Du
Yishu Wang
Xinyu Yang
Yan Hu
Xun Zhou
Qin Zhong
Danying Yan
Andong Qiu
Shougang Zhuang
Na Liu
The disruptor of telomeric silencing 1-like (DOT1L) promotes peritoneal fibrosis through the upregulation and activation of protein tyrosine kinases
Molecular Biomedicine
Disruptor of telomeric silencing 1-like
Di-methylation of histone H3 on lysine-79
Epidermal growth factor receptor
Janus kinase 3
Peritoneal fibrosis
title The disruptor of telomeric silencing 1-like (DOT1L) promotes peritoneal fibrosis through the upregulation and activation of protein tyrosine kinases
title_full The disruptor of telomeric silencing 1-like (DOT1L) promotes peritoneal fibrosis through the upregulation and activation of protein tyrosine kinases
title_fullStr The disruptor of telomeric silencing 1-like (DOT1L) promotes peritoneal fibrosis through the upregulation and activation of protein tyrosine kinases
title_full_unstemmed The disruptor of telomeric silencing 1-like (DOT1L) promotes peritoneal fibrosis through the upregulation and activation of protein tyrosine kinases
title_short The disruptor of telomeric silencing 1-like (DOT1L) promotes peritoneal fibrosis through the upregulation and activation of protein tyrosine kinases
title_sort disruptor of telomeric silencing 1 like dot1l promotes peritoneal fibrosis through the upregulation and activation of protein tyrosine kinases
topic Disruptor of telomeric silencing 1-like
Di-methylation of histone H3 on lysine-79
Epidermal growth factor receptor
Janus kinase 3
Peritoneal fibrosis
url https://doi.org/10.1186/s43556-023-00161-z
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