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Chen H, Xuan A, Shi X, Fan T, Xue S, Ruan J, Wang X, Tang S, Qi W, Sun H, Liu C, He S, Ding C, Zhu Z. RNA N6-methyladenosine modification in arthritis: New insights into pathogenesis. Mod Rheumatol 2024:roae080. [PMID: 39235765 DOI: 10.1093/mr/roae080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 08/15/2024] [Indexed: 09/06/2024]
Abstract
The commonest type of eukaryotic RNA modification, N6-methyladenosine (m6A), has drawn increased scrutiny in the context of pathological functioning as well as relevance in determination of RNA stability, splicing, transportation, localization, and translation efficiency. The m6A modification plays an important role in several types of arthritis, especially osteoarthritis and rheumatoid arthritis. Recent studies have reported that m6A modification regulates arthritis pathology in cells, such as chondrocytes and synoviocytes via immune responses and inflammatory responses through functional proteins classified as writers, erasers, and readers. The aim of this review was to highlight recent advances relevant to m6A modification in the context of arthritis pathogenesis and detail underlying molecular mechanisms, regulatory functions, clinical applications, and future perspectives of m6A in arthritis with the aim of providing a foundation for future research directions.
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Affiliation(s)
- Haowei Chen
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Anran Xuan
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaorui Shi
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Tianxiang Fan
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Song Xue
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jianzhao Ruan
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Xiaoshuai Wang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Su'an Tang
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Weizhong Qi
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Haitao Sun
- Department of Neurosurgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Canzhao Liu
- Department of Cardiovascular Medicine, Translational Medicine Research Center, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Shuai He
- Department of Pharmacy, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Changhai Ding
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology, Guangzhou First People's Hospital, School of Medicine, South China University of Technology, Guangzhou, China
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Zhaohua Zhu
- Clinical Research Centre, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- Department of Rheumatology, Royal North Shore Hospital and Sydney Musculoskeletal Health, Kolling Institute, University of Sydney, Sydney, Australia
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Chen Y, Liu M, Lu M, Luo L, Han Z, Liu X. Exploring the impact of m 6A modification on immune diseases: mechanisms and therapeutic implication. Front Immunol 2024; 15:1387582. [PMID: 39072324 PMCID: PMC11272477 DOI: 10.3389/fimmu.2024.1387582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Accepted: 06/28/2024] [Indexed: 07/30/2024] Open
Abstract
N6-methyladenosine (m6A) is a chemical modification of RNA and has become a widely discussed topic among scientific researchers in recent years. It is distributed in various organisms, including eukaryotes and bacteria. It has been found that m6A is composed of writers, erasers and readers and is involved in biological functions such as splicing, transport and translation of RNA. The balance of the human immune microenvironment is important for human health abnormalities. Increasing studies have found that m6A affects the development of immune diseases such as inflammatory enteritis and systemic lupus erythematosus (SLE) by participating in the homeostatic regulation of the immune microenvironment in vivo. In this manuscript, we introduce the composition, biological function, regulation of m6A in the immune microenvironment and its progression in various immune diseases, providing new targets and directions for the treatment of immune diseases in clinical practice.
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Affiliation(s)
- Yutong Chen
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Min Liu
- Department of Traditional Chinese Medicine, Zhejiang Hospital of Integrated Traditional Chinese and Western Medicine, Hangzhou, Zhejiang, China
| | - Miao Lu
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Linling Luo
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhongyu Han
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xide Liu
- Department of Traditional Chinese Medicine, Zhejiang Hospital of Integrated Traditional Chinese and Western Medicine, Hangzhou, Zhejiang, China
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Deng T, Wang Z, Geng Q, Wang Z, Jiao Y, Diao W, Xu J, Deng T, Luo J, Tao Q, Xiao C. Methylation of T and B Lymphocytes in Autoimmune Rheumatic Diseases. Clin Rev Allergy Immunol 2024; 66:401-422. [PMID: 39207646 DOI: 10.1007/s12016-024-09003-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2024] [Indexed: 09/04/2024]
Abstract
The role of abnormal epigenetic modifications, particularly DNA methylation, in the pathogenesis of autoimmune rheumatic diseases (ARDs) has garnered increasing attention. Lymphocyte dysfunction is a significant contributor to the pathogenesis of ARDs. Methylation is crucial for maintaining normal immune system function, and aberrant methylation can hinder lymphocyte differentiation, resulting in functional abnormalities that disrupt immune tolerance, leading to the excessive expression of inflammatory cytokines, thereby exacerbating the onset and progression of ARDs. Recent studies suggest that methylation-related factors have the potential to serve as biomarkers for monitoring the activity of ARDs. This review summarizes the current state of research on the impact of DNA and RNA methylation on the development, differentiation, and function of T and B cells and examines the progress of these epigenetic modifications in studies of six specific ARDs: systemic lupus erythematosus, rheumatoid arthritis, Sjögren's syndrome, systemic sclerosis, juvenile idiopathic arthritis, and ankylosing spondylitis. Additionally, we propose that exploring the interplay between RNA methylation and DNA methylation may represent a novel direction for understanding the pathogenesis of ARDs and developing novel treatment strategies.
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Affiliation(s)
- Tiantian Deng
- Beijing University of Chinese Medicine, School of Clinical Medicine, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Zihan Wang
- Beijing University of Chinese Medicine, School of Clinical Medicine, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Qishun Geng
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Zhaoran Wang
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100730, China
| | - Yi Jiao
- Beijing University of Chinese Medicine, School of Clinical Medicine, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Wenya Diao
- Beijing University of Chinese Medicine, School of Clinical Medicine, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Jiahe Xu
- China-Japan Friendship Hospital, Peking University, Beijing, 100029, China
| | - Tingting Deng
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Jing Luo
- Department of TCM Rheumatology, China-Japan Friendship Hospital, Beijing, 100029, China.
| | - Qingwen Tao
- Department of TCM Rheumatology, China-Japan Friendship Hospital, Beijing, 100029, China.
| | - Cheng Xiao
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, 100029, China.
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4
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Fan D, Geng Q, Wang B, Wang X, Xia Y, Yang L, Zhang Q, Deng T, Xu Y, Zhao H, Liu B, Lu C, Gu X, Xiao C. Hypoxia-induced ALKBH5 aggravates synovial aggression and inflammation in rheumatoid arthritis by regulating the m6A modification of CH25H. Clin Immunol 2024; 261:109929. [PMID: 38331303 DOI: 10.1016/j.clim.2024.109929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/20/2024] [Accepted: 02/04/2024] [Indexed: 02/10/2024]
Abstract
Previous studies have shown that epigenetic factors are involved in the occurrence and development of rheumatoid arthritis (RA). However, the role of N6-methyladenosine (m6A) methylation in RA has not been determined. The aim of this study was to investigate the role and regulatory mechanisms of hypoxia-induced expression of the m6A demethylase alkB homolog 5 (ALKBH5) in RA fibroblast-like synoviocytes (FLSs). Synovial tissues were collected from RA and osteoarthritis (OA) patients, and RA FLSs were obtained. ALKBH5 expression in RA FLSs and collagen-induced arthritis (CIA) model rats was determined using quantitative reverse transcription-PCR (qRT-PCR), western blotting and immunohistochemistry (IHC). Using ALKBH5 overexpression and knockdown, we determined the role of ALKBH5 in RA FLS aggression and inflammation. The role of ALKBH5 in RA FLS regulation was explored using m6A-methylated RNA sequencing and methylated RNA immunoprecipitation coupled with quantitative real-time PCR. The expression of ALKBH5 was increased in RA synovial tissues, CIA model rats and RA FLSs, and a hypoxic environment increased the expression of ALKBH5 in FLSs. Increased expression of ALKBH5 promoted the proliferation and migration of RA-FLSs and inflammation. Conversely, decreased ALKBH5 expression inhibited the migration of RA-FLSs and inflammation. Mechanistically, hypoxia-induced ALKBH5 expression promoted FLS aggression and inflammation by regulating CH25H mRNA stability. Our study elucidated the functional roles of ALKBH5 and mRNA m6A methylation in RA and revealed that the HIF1α/2α-ALKBH5-CH25H pathway may be key for FLS aggression and inflammation. This study provides a novel approach for the treatment of RA by targeting the HIF1α/2α-ALKBH5-CH25H pathway.
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Affiliation(s)
- Danping Fan
- China-Japan Friendship Hospital (Department of Emergency, Institute of Clinical Medical Sciences), Beijing 100029, China; Beijing Key Laboratory of Research of Chinese Medicine on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Qishun Geng
- China-Japan Friendship Hospital (Department of Emergency, Institute of Clinical Medical Sciences), Beijing 100029, China; China-Japan Friendship Clinical Medical College, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100029, China
| | - Bailiang Wang
- Department of Orthopaedic Surgery, China-Japan Friendship Hospital, Beijing 100029, China
| | - Xing Wang
- China-Japan Friendship Hospital (Department of Emergency, Institute of Clinical Medical Sciences), Beijing 100029, China; China-Japan Friendship Clinical Medical College, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Ya Xia
- China-Japan Friendship Hospital (Department of Emergency, Institute of Clinical Medical Sciences), Beijing 100029, China; China-Japan Friendship Clinical Medical College, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Liwen Yang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Qian Zhang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Tingting Deng
- China-Japan Friendship Hospital (Department of Emergency, Institute of Clinical Medical Sciences), Beijing 100029, China
| | - Yuan Xu
- Department of TCM Rheumatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Hongyan Zhao
- Beijing Key Laboratory of Research of Chinese Medicine on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Bin Liu
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Cheng Lu
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Xiaofeng Gu
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
| | - Cheng Xiao
- China-Japan Friendship Hospital (Department of Emergency, Institute of Clinical Medical Sciences), Beijing 100029, China.
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Deng T, Xu J, Wang Q, Wang X, Jiao Y, Cao X, Geng Q, Zhang M, Zhao L, Xiao C. Immunomodulatory effects of curcumin on macrophage polarization in rheumatoid arthritis. Front Pharmacol 2024; 15:1369337. [PMID: 38487171 PMCID: PMC10938599 DOI: 10.3389/fphar.2024.1369337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 02/19/2024] [Indexed: 03/17/2024] Open
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by synovial inflammation, cartilage destruction, pannus formation and bone erosion. Various immune cells, including macrophages, are involved in RA pathogenesis. The heterogeneity and plasticity of macrophages render them pivotal regulators of both the induction and resolution of the inflammatory response. Predominantly, two different phenotypes of macrophages have been identified: classically activated M1 macrophages exacerbate inflammation via the production of cytokines, chemokines and other inflammatory mediators, while alternatively activated M2 macrophages inhibit inflammation and facilitate tissue repair. An imbalance in the M1/M2 macrophage ratio is critical during the initiation and progression of RA. Macrophage polarization is modulated by various transcription factors, epigenetic elements and metabolic reprogramming. Curcumin, an active component of turmeric, exhibits potent immunomodulatory effects and is administered in the treatment of multiple autoimmune diseases, including RA. The regulation of macrophage polarization and subsequent cytokine production as well as macrophage migration is involved in the mechanisms underlying the therapeutic effect of curcumin on RA. In this review, we summarize the underlying mechanisms by which curcumin modulates macrophage function and polarization in the context of RA to provide evidence for the clinical application of curcumin in RA treatment.
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Affiliation(s)
- Tingting Deng
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Jiahe Xu
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China
| | - Qiong Wang
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital, Capital Medical University, Beijing, China
| | - Xing Wang
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital, Capital Medical University, Beijing, China
| | - Yi Jiao
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital, Capital Medical University, Beijing, China
| | - Xiaoxue Cao
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China
| | - Qishun Geng
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences/Peking Union Medical College, Beijing, China
| | - Mengxiao Zhang
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Lu Zhao
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital, Capital Medical University, Beijing, China
| | - Cheng Xiao
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
- Department of Emergency, China-Japan Friendship Hospital, Beijing, China
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6
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Xu Y, Liu W, Ren L. Emerging roles and mechanism of m6A methylation in rheumatoid arthritis. Biomed Pharmacother 2024; 170:116066. [PMID: 38157641 DOI: 10.1016/j.biopha.2023.116066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/16/2023] [Accepted: 12/21/2023] [Indexed: 01/03/2024] Open
Abstract
Rheumatoid arthritis (RA) is a multifaceted autoimmune disease characterized by systemic inflammation, affecting both articular and extra-articular structures. This condition results in inflammation of joints and synovial membranes, accompanied by the development of systemic comorbidities. Despite extensive research, the precise pathogenic mechanisms responsible for RA have yet to be completely understood. RNA methylation, a burgeoning epigenetic alteration, assumes a pivotal function in the regulation of a myriad of biological phenomena, encompassing immunity, DNA damage response, tumorigenesis, metastasis, stem cell renewal, adipocyte differentiation, circadian rhythms, cellular development and differentiation, and cell division. The N6-methyladenosine (m6A) modification is the most prevalent among the various RNA modifications found in mammalian mRNA. Recent studies have provided evidence of the significant role played by m6A modification in the pathophysiological progression of RA. This review aims to provide a comprehensive analysis of the progress made in research focused on m6A modification in the context of RA, consolidate the underlying mechanisms involved in m6A modification during the initiation of RA and discuss the potential of targeting m6A modification as a viable therapeutic approach for RA.
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Affiliation(s)
- Yayun Xu
- Department of Neurology, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen 518035, China
| | - Wenqiang Liu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei 230000, China; The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei 230000, China
| | - Lijie Ren
- Department of Neurology, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen 518035, China.
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Huang Y, Xue Q, Chang J, Wang Y, Cheng C, Xu S, Wang X, Miao C. M6A methylation modification in autoimmune diseases, a promising treatment strategy based on epigenetics. Arthritis Res Ther 2023; 25:189. [PMID: 37784134 PMCID: PMC10544321 DOI: 10.1186/s13075-023-03149-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 08/24/2023] [Indexed: 10/04/2023] Open
Abstract
BACKGROUND N6-methyladenosine (m6A) methylation modification is involved in the regulation of various biological processes, including inflammation, antitumor, and antiviral immunity. However, the role of m6A modification in the pathogenesis of autoimmune diseases has been rarely reported. METHODS Based on a description of m6A modification and the corresponding research methods, this review systematically summarizes current insights into the mechanism of m6A methylation modification in autoimmune diseases, especially its contribution to rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). RESULTS By regulating different biological processes, m6A methylation is involved in the pathogenesis of autoimmune diseases and provides a promising biomarker for the diagnosis and treatment of such diseases. Notably, m6A methylation modification is involved in regulating a variety of immune cells and mitochondrial energy metabolism. In addition, m6A methylation modification plays a role in the pathological processes of RA, and m6A methylation-related genes can be used as potential targets in RA therapy. CONCLUSIONS M6A methylation modification plays an important role in autoimmune pathological processes such as RA and SLE and represents a promising new target for clinical diagnosis and treatment, providing new ideas for the treatment of autoimmune diseases by targeting m6A modification-related pathways.
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Affiliation(s)
- Yurong Huang
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, No. 1 Qianjiang Road, Xinzhan District, Hefei, 230012, Anhui Province, China
| | - Qiuyun Xue
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, No. 1 Qianjiang Road, Xinzhan District, Hefei, 230012, Anhui Province, China
| | - Jun Chang
- Department of Orthopaedics, the First Affiliated Hospital, Anhui Medical University, Hefei, 230032, China.
- Anhui Public Health Clinical Center, Hefei, China.
| | - Yuting Wang
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, No. 1 Qianjiang Road, Xinzhan District, Hefei, 230012, Anhui Province, China
| | - Chenglong Cheng
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, No. 1 Qianjiang Road, Xinzhan District, Hefei, 230012, Anhui Province, China
| | - Suowen Xu
- Department of Endocrinology, Institute of Endocrine and Metabolic Diseases, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, Clinical Research Hospital of Chinese Academy of Sciences (Hefei), University of Science and Technology of China, Hefei, 230027, China
| | - Xiao Wang
- Department of Clinical Nursing, School of Nursing, Anhui University of Chinese Medicine, Hefei, China.
| | - Chenggui Miao
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, No. 1 Qianjiang Road, Xinzhan District, Hefei, 230012, Anhui Province, China.
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Casalino L, Talotta F, Matino I, Verde P. FRA-1 as a Regulator of EMT and Metastasis in Breast Cancer. Int J Mol Sci 2023; 24:ijms24098307. [PMID: 37176013 PMCID: PMC10179602 DOI: 10.3390/ijms24098307] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 04/21/2023] [Accepted: 05/01/2023] [Indexed: 05/15/2023] Open
Abstract
Among FOS-related components of the dimeric AP-1 transcription factor, the oncoprotein FRA-1 (encoded by FOSL1) is a key regulator of invasion and metastasis. The well-established FRA-1 pro-invasive activity in breast cancer, in which FOSL1 is overexpressed in the TNBC (Triple Negative Breast Cancer)/basal subtypes, correlates with the FRA-1-dependent transcriptional regulation of EMT (Epithelial-to-Mesenchymal Transition). After summarizing the major findings on FRA-1 in breast cancer invasiveness, we discuss the FRA-1 mechanistic links with EMT and cancer cell stemness, mediated by transcriptional and posttranscriptional interactions between FOSL1/FRA-1 and EMT-regulating transcription factors, miRNAs, RNA binding proteins and cytokines, along with other target genes involved in EMT. In addition to the FRA-1/AP-1 effects on the architecture of target promoters, we discuss the diagnostic and prognostic significance of the EMT-related FRA-1 transcriptome, along with therapeutic implications. Finally, we consider several novel perspectives regarding the less explored roles of FRA-1 in the tumor microenvironment and in control of the recently characterized hybrid EMT correlated with cancer cell plasticity, stemness, and metastatic potential. We will also examine the application of emerging technologies, such as single-cell analyses, along with animal models of TNBC and tumor-derived CTCs and PDXs (Circulating Tumor Cells and Patient-Derived Xenografts) for studying the FRA-1-mediated mechanisms in in vivo systems of EMT and metastasis.
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Affiliation(s)
- Laura Casalino
- Institute of Genetics and Biophysics "A. Buzzati Traverso", Consiglio Nazionale delle Ricerche (CNR), Via Pietro Castellino, 111, 80131 Naples, Italy
| | - Francesco Talotta
- Institute of Genetics and Biophysics "A. Buzzati Traverso", Consiglio Nazionale delle Ricerche (CNR), Via Pietro Castellino, 111, 80131 Naples, Italy
| | - Ilenia Matino
- Institute of Genetics and Biophysics "A. Buzzati Traverso", Consiglio Nazionale delle Ricerche (CNR), Via Pietro Castellino, 111, 80131 Naples, Italy
| | - Pasquale Verde
- Institute of Genetics and Biophysics "A. Buzzati Traverso", Consiglio Nazionale delle Ricerche (CNR), Via Pietro Castellino, 111, 80131 Naples, Italy
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Geng Q, Cao X, Fan D, Wang Q, Wang X, Zhang M, Zhao L, Jiao Y, Deng T, Liu H, Zhou J, Lou Y, Liang J, Xiao C. Potential medicinal value of N6-methyladenosine in autoimmune diseases and tumours. Br J Pharmacol 2023. [PMID: 36624563 DOI: 10.1111/bph.16030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/23/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Autoimmune diseases (ADs) are closely related to malignant tumours. On the one hand, ADs can increase the incidence of tumours; on the other hand, malignant tumours can cause rheumatic disease-like manifestations. With the increasing depth of analysis into the mechanism of N6 -methyladenosine (m6A) modification, it has been found that changes in m6A-related modification enzymes are closely related to the occurrence and development of ADs and malignant tumours. In this review, we explore the pathogenesis of ADs and tumours based on m6A modification. According to systematic assessment of the similarities between ADs and tumours, m6A may represent a common target of both diseases. At present, most of the drugs targeting m6A are in the research and development stage, not in clinical trials. Therefore, advancing the development of drugs targeting m6A is of great significance for both the combined treatment of ADs and malignant tumours and improving the quality of life and prognosis of patients.
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Affiliation(s)
- Qishun Geng
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Xiaoxue Cao
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Danping Fan
- Beijing Key Laboratory of Research of Chinese Medicine on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qiong Wang
- China-Japan Friendship Clinical Medical College, Beijing University of Chinese Medicine, Beijing, China
| | - Xing Wang
- China-Japan Friendship Clinical Medical College, Beijing University of Chinese Medicine, Beijing, China
| | - Mengxiao Zhang
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Lu Zhao
- China-Japan Friendship Hospital, Capital Medical University, Beijing, China
| | - Yi Jiao
- China-Japan Friendship Clinical Medical College, Beijing University of Chinese Medicine, Beijing, China
| | - Tingting Deng
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Honglin Liu
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Jing Zhou
- Department of Physiology, School of Basic Medical Sciences, Guangxi Medical University, Nanning, China
| | - Yanni Lou
- Oncology Department of Integrated Traditional Chinese and Western Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Jing Liang
- Department of Obstetrics and Gynecology, China-Japan Friendship Hospital, Beijing, China
| | - Cheng Xiao
- Institute of Clinical Medicine, China-Japan Friendship Hospital, Beijing, China
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Department of Emergency, China-Japan Friendship Hospital, Beijing, China
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10
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Geng Q, Cao X, Fan D, Gu X, Zhang Q, Zhang M, Wang Z, Deng T, Xiao C. Diagnostic gene signatures and aberrant pathway activation based on m6A methylation regulators in rheumatoid arthritis. Front Immunol 2022; 13:1041284. [PMID: 36582238 PMCID: PMC9793088 DOI: 10.3389/fimmu.2022.1041284] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Accepted: 11/28/2022] [Indexed: 12/15/2022] Open
Abstract
Purpose Rheumatoid arthritis (RA) is a chronic autoimmune disease (AD) characterized by persistent synovial inflammation, bone erosion and progressive joint destruction. This research aimed to elucidate the potential roles and molecular mechanisms of N6-methyladenosine (m6A) methylation regulators in RA. Methods An array of tissues from 233 RA and 126 control samples was profiled and integrated for mRNA expression analysis. Following quality control and normalization, the cohort was split into training and validation sets. Five distinct machine learning feature selection methods were applied to the training set and validated in validation sets. Results Among the six models, the LASSO_λ-1se model not only performed better in the validation sets but also exhibited more stringent performance. Two m6A methylation regulators were identified as significant biomarkers by consensus feature selection from all four methods. IGF2BP3 and YTHDC2, which are differentially expressed in patients with RA and controls, were used to predict RA diagnosis with high accuracy. In addition, IGF2BP3 showed higher importance, which can regulate the G2/M transition to promote RA-FLS proliferation and affect M1 macrophage polarization. Conclusion This consensus of multiple machine learning approaches identified two m6A methylation regulators that could distinguish patients with RA from controls. These m6A methylation regulators and their target genes may provide insight into RA pathogenesis and reveal novel disease regulators and putative drug targets.
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Affiliation(s)
- Qishun Geng
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China,Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Xiaoxue Cao
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China,Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Danping Fan
- Beijing Key Laboratory of Research of Chinese Medicine on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaofeng Gu
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qian Zhang
- Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Mengxiao Zhang
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China
| | - Zheng Wang
- Laboratory for Bone and Joint Diseases, RIKEN Center for Integrative Medical Sciences, Tokyo, Japan
| | - Tingting Deng
- Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China,*Correspondence: Cheng Xiao, ; Tingting Deng,
| | - Cheng Xiao
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China,Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China,Department of Emergency, China-Japan Friendship Hospital, Beijing, China,*Correspondence: Cheng Xiao, ; Tingting Deng,
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