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Qu L, Yin T, Zhao Y, Lv W, Liu Z, Chen C, Liu K, Shan S, Zhou R, Li X, Dong H. Histone demethylases in the regulation of immunity and inflammation. Cell Death Discov 2023; 9:188. [PMID: 37353521 DOI: 10.1038/s41420-023-01489-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 05/22/2023] [Accepted: 06/15/2023] [Indexed: 06/25/2023] Open
Abstract
Pathogens or danger signals trigger the immune response. Moderate immune response activation removes pathogens and avoids excessive inflammation and tissue damage. Histone demethylases (KDMs) regulate gene expression and play essential roles in numerous physiological processes by removing methyl groups from lysine residues on target proteins. Abnormal expression of KDMs is closely associated with the pathogenesis of various inflammatory diseases such as liver fibrosis, lung injury, and autoimmune diseases. Despite becoming exciting targets for diagnosing and treating these diseases, the role of these enzymes in the regulation of immune and inflammatory response is still unclear. Here, we review the underlying mechanisms through which KDMs regulate immune-related pathways and inflammatory responses. In addition, we also discuss the future applications of KDMs inhibitors in immune and inflammatory diseases.
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Affiliation(s)
- Lihua Qu
- Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, Wuhan, Hubei, China
- Department of Pathogenic Biology, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei, China
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, Hubei, China
| | - Tong Yin
- Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, Wuhan, Hubei, China
- Department of Pathogenic Biology, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei, China
| | - Yijin Zhao
- Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, Wuhan, Hubei, China
- Department of Pathogenic Biology, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei, China
| | - Wenting Lv
- Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, Wuhan, Hubei, China
- Department of Pathogenic Biology, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei, China
| | - Ziqi Liu
- Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, Wuhan, Hubei, China
- Department of Pathogenic Biology, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei, China
| | - Chao Chen
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Kejun Liu
- Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, Wuhan, Hubei, China
- Department of Pathogenic Biology, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei, China
| | - Shigang Shan
- School of Basic Medical Sciences, Xianning Medical College, Hubei University of Science and Technology, Xianning, Hubei, China
| | - Rui Zhou
- Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, Wuhan, Hubei, China
- Department of Pathogenic Biology, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei, China
| | - Xiaoqing Li
- Biological Targeted Therapy Key Laboratory in Hubei, Huazhong University of Science and Technology, Wuhan, Hubei, China.
- Center for Stem Cell Research and Application, Union Hospital, Tongji Medical School, Huazhong University of Science and Technology, Wuhan, Hubei, China.
| | - Huifen Dong
- Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, Wuhan, Hubei, China.
- Department of Pathogenic Biology, School of Basic Medical Sciences, Wuhan University, Wuhan, Hubei, China.
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Zhao Y, Yu Y, Wang S, Li J, Teng L. Small extracellular vesicles encapsulating lefty1 mRNA inhibit hepatic fibrosis. Asian J Pharm Sci 2022; 17:630-640. [PMID: 36382306 PMCID: PMC9640367 DOI: 10.1016/j.ajps.2022.07.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/04/2022] [Accepted: 07/24/2022] [Indexed: 11/29/2022] Open
Abstract
Liver fibrosis is the deposition of extracellular matrix (ECM) in the liver caused by persistent chronic injury, which can lead to more serious diseases such as cirrhosis or cancer. Blocking the effect of transforming growth factor β1 (TGF-β1), one of the most important cytokines in liver fibrosis, may be one of the effective ways to inhibit liver fibrosis. As a kind of natural nano-scale vesicles, small extracellular vesicles (sEvs) have displayed excellent delivery vehicle properties. Herein, we prepared hepatic stellate cell (HSC)-derived sEvs loading left-right determination factor 1 (lefty1) mRNA (sEvLs) and we wanted to verify whether they can inhibit fibrosis by blocking the TGF-β1 signaling pathway. The results showed that sEvLs had effective cell uptake and reduced activation of HSCs. Rats that were injected with CCl4 by intraperitoneal injection for 6 weeks exhibited obvious symptoms of liver fibrosis and were treated with systemically administered sEvLs and free sEvs for 4 weeks. Rats injected with olive oil alone served as sham controls. Administration of sEvLs significantly reduced the area of fibrosis compared with free sEvs. We demonstrated that sEvLs inhibited HSCs activation and ECM production, and promote ECM degradation by downregulating α-smooth muscle actin (α-SMA), collagen I, tissue inhibitor of metalloproteinase (TIMP) -1 and upregulating matrix metalloprotease (MMP) -1. In summary, as an endogenous delivery vehicle, sEvs could deliver mRNA to attenuate hepatic fibrosis by blocking the TGF-β/Smad signaling pathway.
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Tian T, Xie R, Ding K, Han B, Yang Q, Yang X. IOX1 protects from TGF-β induced fibrosis in LX-2 cells via the regulation of extracellular matrix protein expression. Exp Ther Med 2021; 21:180. [PMID: 33488789 PMCID: PMC7812578 DOI: 10.3892/etm.2021.9611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 11/17/2020] [Indexed: 11/06/2022] Open
Abstract
The aim of the present study was to investigate the effect of the histone H3K9 demethylase inhibitor, IOX1, on the mechanism of hepatic fibrosis in TGF-β-induced human hepatic stellate LX-2 cells. Cellular proliferation, apoptosis, histone H3K9 dimethylation (H3K9me2), protein expression of extracellular matrix (ECM)-related proteins α-smooth muscle actin (SMA), type I collagen (Col I), MMP-1 and TIMP-1 were measured. H3K9me2 levels in the promoter region of ECM-related genes were detected by real-time cell analysis (RTCA), flow cytometry, western blotting and chromatin immunoprecipitation (ChIP) in LX-2 cells. IOX1 significantly inhibited cell proliferation and the IC50 of IOX1 was 100 µM in cells treated with IOX1 for 48 h. IOX1 significantly induced apoptosis in LX-2 cells in a concentration-dependent manner. In addition, different concentration of IOX1 increased the level of H3K9me2 and downregulated the expression of α-SMA, Col I, MMP-1 and TIMP-1 in TGF-β-induced LX-2 cells. ChIP measurements indicated that H3K9me2 levels in the promotor region of the corresponding genes were increased in TGF-β-induced LX-2 cells. IOX1 may elevate H3K9me2 in the promotor region of Col I, MMP-1, and TIMP-1 genes to regulate α-SMA, Col I, MMP-1 and TIMP-1 protein expression to induce cell apoptosis, inhibit LX-2 cell proliferation and oppose hepatic fibrotic activity.
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Affiliation(s)
- Tian Tian
- Department of Eugenic Genetics, Guiyang Maternal and Child Health Care Hospital, Guiyang, Guizhou 550003, P.R. China
| | - Rujia Xie
- Department of Guizhou Provincial Key Laboratory of Pathogenesis and Drug Research on Common Chronic Diseases, Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Kaize Ding
- Department of Assisted Reproduction, Guiyang Maternal and Child Health Care Hospital, Guiyang, Guizhou 550003, P.R. China
| | - Bing Han
- Department of Guizhou Provincial Key Laboratory of Pathogenesis and Drug Research on Common Chronic Diseases, Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Qin Yang
- Department of Guizhou Provincial Key Laboratory of Pathogenesis and Drug Research on Common Chronic Diseases, Guizhou Medical University, Guiyang, Guizhou 550004, P.R. China
| | - Xue Yang
- Department of Eugenic Genetics, Guiyang Maternal and Child Health Care Hospital, Guiyang, Guizhou 550003, P.R. China
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Gironi LC, Camillo L, Zottarelli F, Savoia P. Concordance of p16, FH, and alpha-SMA expression with the fumarate hydratase gene mutational status in sporadic and hereditary piloleiomyomas. Pathology 2019; 51:659-663. [PMID: 31481265 DOI: 10.1016/j.pathol.2019.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 05/07/2019] [Accepted: 05/10/2019] [Indexed: 11/26/2022]
Affiliation(s)
- Laura Cristina Gironi
- Department of Health Sciences, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy.
| | - Lara Camillo
- Department of Health Sciences, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
| | - Francesca Zottarelli
- Department of Health Sciences, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
| | | | - Paola Savoia
- Department of Health Sciences, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
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Li S, Shen L, Chen KN. Association between H3K4 methylation and cancer prognosis: A meta-analysis. Thorac Cancer 2018; 9:794-799. [PMID: 29737623 PMCID: PMC6026618 DOI: 10.1111/1759-7714.12647] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Revised: 03/27/2018] [Accepted: 03/28/2018] [Indexed: 12/18/2022] Open
Abstract
Background Histone H3 lysine 4 methylation (H3K4 methylation), including mono‐methylation (H3K4me1), di‐methylation (H3K4me2), or tri‐methylation (H3K4me3), is one of the epigenetic modifications to histone proteins, which are related to the transcriptional activation of genes. H3K4 methylation has both tumor inhibiting and promoting effects, and the prognostic value of H3K4 methylation in cancer remains controversial. Therefore, we performed a systematic review and meta‐analysis to examine the association between H3K4 methylation and cancer prognosis. Methods A comprehensive search of PubMed, Web of Science, ScienceDirect, Embase, and Ovid databases was conducted to identify studies investigating the association between H3K4 methylation and prognosis of patients with malignant tumors. The data and characteristics of each study were extracted, and the hazard ratio (HR) at a 95% confidence interval (CI) was calculated to estimate the effect. Results A total of 1474 patients in 10 studies were enrolled in this meta‐analysis. The pooled HR of 1.52 (95% CI 1.02–2.26) indicated that patients with a lower level of H3K4me2 expression were expected to have shorter overall survival, while the pooled HR of 0.45 (95% CI 0.27–0.74) indicated that patients with a lower level of H3K4me3 expression were expected to have longer overall survival. Conclusion This meta‐analysis indicates that increased H3K4me3 expression and decreased H3K4me2 expression might be predictive factors of poor prognosis in cancer. Further large cohort studies are needed to confirm these findings.
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Affiliation(s)
- Simin Li
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital and Institute, Beijing, China
| | - Luyan Shen
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital and Institute, Beijing, China
| | - Ke-Neng Chen
- Department of Thoracic Surgery I, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital and Institute, Beijing, China
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Page A, Mann DA, Mann J. The mechanisms of HSC activation and epigenetic regulation of HSCs phenotypes. CURRENT PATHOBIOLOGY REPORTS 2014; 2:163-170. [PMID: 27413631 DOI: 10.1007/s40139-014-0052-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Epigenetics is a dynamically expanding field of science entailing numerous regulatory mechanisms controlling changes of gene expression in response to environmental factors. Over the recent years there has been a great interest in epigenetic marks as a potential diagnostic and prognostic tool or future target for treatment of various human diseases. There is an increasing body of published research to suggest that epigenetic events regulate progression of chronic liver disease. Experimental manipulation of epigenetic signatures such as DNA methylation, histone acetylation / methylation and the activities of proteins that either annotate or interpret these epigenetic marks can have profound effects on the activation and phenotype of HSC, key cells responsible for onset and progression of liver fibrosis. This review presents recent advances in epigenetic alterations, which could provide mechanistic insight into the pathogenesis of chronic liver disease and provide novel clinical applications.
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Affiliation(s)
- Agata Page
- Institute of Cellular Medicine, Faculty of Medical Sciences, 4 Floor, William Leech Building, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH, UK
| | - Derek A Mann
- Institute of Cellular Medicine, Faculty of Medical Sciences, 4 Floor, William Leech Building, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH, UK
| | - Jelena Mann
- Institute of Cellular Medicine, Faculty of Medical Sciences, 4 Floor, William Leech Building, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH, UK
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