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Chen W, Liu C, He Y, Jiang T, Chen Q, Zhang H, Gao R. ALKBH5-Mediated m 6A Modification Drives Apoptosis in Renal Tubular Epithelial Cells by Negatively Regulating MUC1. Mol Biotechnol 2024:10.1007/s12033-024-01250-2. [PMID: 39172331 DOI: 10.1007/s12033-024-01250-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Accepted: 07/27/2024] [Indexed: 08/23/2024]
Abstract
Dysregulation of renal tubular epithelial cell (RTEC) apoptosis is one of the critical steps underlying the occurrence and development of nephrolithiasis. Although N6-methyladenosine (m6A) modification has been extensively studied and associated with various pathologic processes, research on its specific role in RTEC injury and apoptosis remains limited. In this study, we found that overexpression of ALKBH5 reduced the level of m6A modification in RTEC cells and notably promoted RTEC apoptosis. Further mechanism studies revealed that ALKBH5 mainly decreased the m6A level on the mRNA of Mucin 1 (MUC1) gene in RTECs. Moreover, ALKBH5 impaired the stability of MUC1 mRNA in RTECs, leading to attenuated expression of MUC1. Finally, we determined that the ALKBH5-MUC1 axis primarily facilitated RTEC apoptosis by regulating the PI3K/Akt signaling pathway. This study revealed the critical role of the ALKBH5-MUC1-PI3K/Akt regulatory system in RTEC apoptosis and provided new therapeutic targets for treating nephrolithiasis.
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Affiliation(s)
- Wenwei Chen
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Chazhong Road 20, Taijiang District, Fuzhou, 350005, Fujian, People's Republic of China
- Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Fujian Key Laboratory of Precision Medicine for Cancer, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Changyi Liu
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Chazhong Road 20, Taijiang District, Fuzhou, 350005, Fujian, People's Republic of China
- Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Fujian Key Laboratory of Precision Medicine for Cancer, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Yanfeng He
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Chazhong Road 20, Taijiang District, Fuzhou, 350005, Fujian, People's Republic of China
- Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Fujian Key Laboratory of Precision Medicine for Cancer, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Tao Jiang
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Chazhong Road 20, Taijiang District, Fuzhou, 350005, Fujian, People's Republic of China
- Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Fujian Key Laboratory of Precision Medicine for Cancer, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Qin Chen
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Chazhong Road 20, Taijiang District, Fuzhou, 350005, Fujian, People's Republic of China
- Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Fujian Key Laboratory of Precision Medicine for Cancer, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Hua Zhang
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Chazhong Road 20, Taijiang District, Fuzhou, 350005, Fujian, People's Republic of China
- Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China
- Fujian Key Laboratory of Precision Medicine for Cancer, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China
| | - Rui Gao
- Department of Urology, Urology Research Institute, The First Affiliated Hospital, Fujian Medical University, Chazhong Road 20, Taijiang District, Fuzhou, 350005, Fujian, People's Republic of China.
- Department of Urology, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350212, China.
- Fujian Key Laboratory of Precision Medicine for Cancer, the First Affiliated Hospital, Fujian Medical University, Fuzhou, 350005, China.
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Chen H, Peng L, Wang Z, He Y, Zhang X. Influence of METTL3 knockdown on PDLSC osteogenesis in E. coli LPS-induced inflammation. Oral Dis 2024; 30:3225-3238. [PMID: 37807890 DOI: 10.1111/odi.14763] [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] [Received: 05/23/2023] [Revised: 08/15/2023] [Accepted: 09/21/2023] [Indexed: 10/10/2023]
Abstract
OBJECTIVE This study aimed to investigate the effect of METTL3 knockdown on osteogenic differentiation of human periodontal ligament stem cells (PDLSCs) in the weak inflammation microenvironments, as well as the underlying mechanisms. MATERIALS AND METHODS PDLSCs were stimulated by lipopolysaccharide from Escherichia coli (E. coli LPS), followed by quantification of METTL3. METTL3 expression was assessed using RT-qPCR and Western blot analysis in periodontitis. METTL3 knockdown PDLSCs were stimulated with or without E. coli LPS. The evaluation included proinflammatory cytokines, osteogenic markers, ALP activity, and mineralized nodules. Bioinformatics analysis and Western blot determined the association between METTL3 and the PI3K/Akt pathway. RESULTS METTL3 was overexpressed in periodontitis. METTL3 knockdown in PDLSCs reduced proinflammatory cytokines, osteogenic markers, ALP activity, and mineralized nodules in both environments. Bioinformatics analysis suggested a link between METTL3 and the PI3K/Akt pathway. METTL3 knockdown inhibited PI3K/Akt signaling pathway activation. CONCLUSION METTL3 knockdown might inhibit osteogenesis in PDLSCs through the inactivation of PI3K/Akt signaling pathway. Concomitant findings might shed novel light on the roles and potential mechanisms of METTL3 in the LPS-stimulated inflammatory microenvironments of PDLSCs.
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Affiliation(s)
- Hang Chen
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical University, Chongqing, China
| | - Limin Peng
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical University, Chongqing, China
| | - Zhenxiang Wang
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical University, Chongqing, China
| | - Yujuan He
- Department of Laboratory Medicine, Key Laboratory of Diagnostic Medicine (Ministry of Education), Chongqing Medical University, Chongqing, China
| | - Xiaonan Zhang
- College of Stomatology, Chongqing Medical University, Chongqing, China
- Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing, China
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Medical University, Chongqing, China
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3
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Zhang Q, Li J, Wang C, Li Z, Luo P, Gao F, Sun W. N6-Methyladenosine in Cell-Fate Determination of BMSCs: From Mechanism to Applications. RESEARCH (WASHINGTON, D.C.) 2024; 7:0340. [PMID: 38665846 PMCID: PMC11045264 DOI: 10.34133/research.0340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 02/21/2024] [Indexed: 04/28/2024]
Abstract
The methylation of adenosine base at the nitrogen-6 position is referred to as "N6-methyladenosine (m6A)" and is one of the most prevalent epigenetic modifications in eukaryotic mRNA and noncoding RNA (ncRNA). Various m6A complex components known as "writers," "erasers," and "readers" are involved in the function of m6A. Numerous studies have demonstrated that m6A plays a crucial role in facilitating communication between different cell types, hence influencing the progression of diverse physiological and pathological phenomena. In recent years, a multitude of functions and molecular pathways linked to m6A have been identified in the osteogenic, adipogenic, and chondrogenic differentiation of bone mesenchymal stem cells (BMSCs). Nevertheless, a comprehensive summary of these findings has yet to be provided. In this review, we primarily examined the m6A alteration of transcripts associated with transcription factors (TFs), as well as other crucial genes and pathways that are involved in the differentiation of BMSCs. Meanwhile, the mutual interactive network between m6A modification, miRNAs, and lncRNAs was intensively elucidated. In the last section, given the beneficial effect of m6A modification in osteogenesis and chondrogenesis of BMSCs, we expounded upon the potential utility of m6A-related therapeutic interventions in the identification and management of human musculoskeletal disorders manifesting bone and cartilage destruction, such as osteoporosis, osteomyelitis, osteoarthritis, and bone defect.
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Affiliation(s)
- Qingyu Zhang
- Department of Orthopedics,
Shandong Provincial Hospital affiliated to Shandong First Medical University, Jinan 250021, China
| | - Junyou Li
- School of Mechanical Engineering,
Sungkyunkwan University, Suwon 16419, South Korea
| | - Cheng Wang
- Department of Orthopaedic Surgery,
Peking UniversityThird Hospital, Peking University, Beijing 100191, China
| | - Zhizhuo Li
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital,
the Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, China
| | - Pan Luo
- Department of Joint Surgery, Honghui Hospital, Xi’an Jiaotong University, Xi’an 710054, China
| | - Fuqiang Gao
- Department of Orthopedics, China-Japan Friendship Hospital, Beijing 100029, China
| | - Wei Sun
- Department of Orthopedics, China-Japan Friendship Hospital, Beijing 100029, China
- Department of Orthopaedic Surgery of the Perelman School of Medicine,
University of Pennsylvania, Philadelphia, PA 19104, USA
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4
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Lai A, Sun J, Dai Z, Guo L, Tao D, Li H, Chen B, Zhou R. Unraveling IGFBP3-mediated m6A modification in fracture healing. Pathol Res Pract 2024; 255:155220. [PMID: 38432050 DOI: 10.1016/j.prp.2024.155220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 11/24/2023] [Accepted: 02/18/2024] [Indexed: 03/05/2024]
Abstract
BACKGROUND This study investigates the role of IGFBP3-mediated m6A modification in regulating the miR-23a-3p/SMAD5 axis and its impact on fracture healing, aiming to provide insights into potential therapeutic targets. METHODS Utilizing fracture-related datasets, we identified m6A modification-related mRNA and predicted miR-23a-3p as a regulator of SMAD5. We established a mouse fracture healing model and conducted experiments, including Micro-CT, RT-qPCR, Alizarin Red staining, and Alkaline phosphatase (ALP) staining, to assess gene expression and osteogenic differentiation. RESULTS IGFBP3 emerged as a crucial player in fracture healing, stabilizing miR-23a-3p through m6A modification, leading to SMAD5 downregulation. This, in turn, inhibited osteogenic differentiation and delayed fracture healing. Inhibition of IGFBP3 partially reversed through SMAD5 inhibition, restoring osteogenic differentiation and fracture healing in vivo. CONCLUSION The IGFBP3/miR-23a-3p/SMAD5 axis plays a pivotal role in fracture healing, highlighting the relevance of m6A modification. IGFBP3's role in stabilizing miR-23a-3p expression through m6A modification offers a potential therapeutic target for enhancing fracture healing outcomes.
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Affiliation(s)
- Aining Lai
- Section Ⅱ, Department of Orthopedics, the 72nd Army Hospital of PLA, Huzhou 313000, P. R. China
| | - Junjian Sun
- Section Ⅴ, Department of Orthopedics, the 72nd Army Hospital of PLA, Huzhou 31300, PR China
| | - Zhiyuan Dai
- Thoracic surgey, the 72nd Army Hospital of PLA, Huzhou 313000, PR China
| | - Long Guo
- Section Ⅱ, Department of Orthopedics, the 72nd Army Hospital of PLA, Huzhou 313000, P. R. China
| | - Degang Tao
- Section Ⅱ, Department of Orthopedics, the 72nd Army Hospital of PLA, Huzhou 313000, P. R. China
| | - Haitang Li
- Section Ⅱ, Department of Orthopedics, the 72nd Army Hospital of PLA, Huzhou 313000, P. R. China
| | - Bin Chen
- Section Ⅱ, Department of Orthopedics, the 72nd Army Hospital of PLA, Huzhou 313000, P. R. China.
| | - Rong Zhou
- Section Ⅱ, Department of Orthopedics, the 72nd Army Hospital of PLA, Huzhou 313000, P. R. China.
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Chen Y, Li P, Lin M, Jiang Y, Tan G, Huang L, Song D. Silencing of METTL3 prevents the proliferation, migration, epithelial-mesenchymal transition, and renal fibrosis of high glucose-induced HK2 cells by mediating WISP1 in m6A-dependent manner. Aging (Albany NY) 2024; 16:1237-1248. [PMID: 38289593 PMCID: PMC10866449 DOI: 10.18632/aging.205401] [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: 08/19/2023] [Accepted: 11/13/2023] [Indexed: 02/06/2024]
Abstract
Diabetic nephropathy (DN) is one of the most serious complications in diabetic patients. And m6A modifications mediated by METTL3 are involved multiple biological processes. However, the specific function and mechanism of METTL3 in DN remains unclear. DN model mice were first established with streptozotocin, and WISP1 expression was confirmed by qRT-PCR. Then the influences of WISP1 or/and METTL3 on the proliferation, migration, and epithelial-mesenchymal transition (EMT) and fibrosis-related proteins of high glucose (HG)-induced HK2 cells or HK2 cells were tested through CCK-8, wound healing, and western blot. We first revealed that WISP1 was highly expressed in renal tissues of DN model mice and HG-induced HK2 cells. Functionally, WISP1 or METTL3 silencing could weaken the proliferation, migration, EMT, and fibrosis of HG-treated HK2 cells, and WISP1 or METTL3 overexpression could induce the proliferation, migration, EMT, and fibrosis of HK2 cells. Additionally, METTL3 silencing could decrease WISP1 m6A modification, and silencing of METTL3 also could notably suppress the biological functions of HG-induced HK2 cells by downregulating WISP1. Silencing of METTL3 prevents DN development process by decreasing WISP1 with m6A modification pattern. Therefore, we suggest that METTL3/WISP1 axis might be a novel therapeutic target for DN.
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Affiliation(s)
- Yuanzhen Chen
- Department of Nephrology, Shenzhen Guangming District People’s Hospital, Guangming, Shenzhen 518000, China
| | - Ping Li
- Department of Nephrology, Shenzhen Guangming District People’s Hospital, Guangming, Shenzhen 518000, China
| | - Mei Lin
- Department of Nephrology, Shenzhen Guangming District People’s Hospital, Guangming, Shenzhen 518000, China
| | - Ying Jiang
- Department of Nephrology, Shenzhen Guangming District People’s Hospital, Guangming, Shenzhen 518000, China
| | - Guiping Tan
- Department of Nephrology, Shenzhen Guangming District People’s Hospital, Guangming, Shenzhen 518000, China
| | - Lianfang Huang
- Department of Nephrology, Shenzhen Guangming District People’s Hospital, Guangming, Shenzhen 518000, China
| | - Dan Song
- Department of Nephrology, Shenzhen Guangming District People’s Hospital, Guangming, Shenzhen 518000, China
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Gu Y, Song Y, Pan Y, Liu J. The essential roles of m 6A modification in osteogenesis and common bone diseases. Genes Dis 2024; 11:335-345. [PMID: 37588215 PMCID: PMC10425797 DOI: 10.1016/j.gendis.2023.01.032] [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: 09/15/2022] [Accepted: 01/30/2023] [Indexed: 03/30/2023] Open
Abstract
N6-methyladenosine (m6A) is the most prevalent modification in the eukaryotic transcriptome and has a wide range of functions in coding and noncoding RNAs. It affects the fate of the modified RNA, including its stability, splicing, and translation, and plays an important role in post-transcriptional regulation. Bones play a key role in supporting and protecting muscles and other organs, facilitating the movement of the organism, ensuring blood production, etc. Bone diseases such as osteoarthritis, osteoporosis, and bone tumors are serious public health problems. The processes of bone development and osteogenic differentiation require the precise regulation of gene expression through epigenetic mechanisms including histone, DNA, and RNA modifications. As a reversible dynamic epigenetic mark, m6A modifications affect nearly every important biological process, cellular component, and molecular function, including skeletal development and homeostasis. In recent years, studies have shown that m6A modification is involved in osteogenesis and bone-related diseases. In this review, we summarized the proteins involved in RNA m6A modification and the latest progress in elucidating the regulatory role of m6A modification in bone formation and stem cell directional differentiation. We also discussed the pathological roles and potential molecular mechanisms of m6A modification in bone-related diseases like osteoporosis and osteosarcoma and suggested potential areas for new strategies that could be used to prevent or treat bone defects and bone diseases.
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Affiliation(s)
- Yuxi Gu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yidan Song
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Yihua Pan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Jun Liu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
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7
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Zheng J, Lu Y, Lin Y, Si S, Guo B, Zhao X, Cui L. Epitranscriptomic modifications in mesenchymal stem cell differentiation: advances, mechanistic insights, and beyond. Cell Death Differ 2024; 31:9-27. [PMID: 37985811 PMCID: PMC10782030 DOI: 10.1038/s41418-023-01238-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 10/24/2023] [Accepted: 11/06/2023] [Indexed: 11/22/2023] Open
Abstract
RNA modifications, known as the "epitranscriptome", represent a key layer of regulation that influences a wide array of biological processes in mesenchymal stem cells (MSCs). These modifications, catalyzed by specific enzymes, often termed "writers", "readers", and "erasers", can dynamically alter the MSCs' transcriptomic landscape, thereby modulating cell differentiation, proliferation, and responses to environmental cues. These enzymes include members of the classes METTL, IGF2BP, WTAP, YTHD, FTO, NAT, and others. Many of these RNA-modifying agents are active during MSC lineage differentiation. This review provides a comprehensive overview of the current understanding of different RNA modifications in MSCs, their roles in regulating stem cell behavior, and their implications in MSC-based therapies. It delves into how RNA modifications impact MSC biology, the functional significance of individual modifications, and the complex interplay among these modifications. We further discuss how these intricate regulatory mechanisms contribute to the functional diversity of MSCs, and how they might be harnessed for therapeutic applications. The review also highlights current challenges and potential future directions in the study of RNA modifications in MSCs, emphasizing the need for innovative tools to precisely map these modifications and decipher their context-specific effects. Collectively, this work paves the way for a deeper understanding of the role of the epitranscriptome in MSC biology, potentially advancing therapeutic strategies in regenerative medicine and MSC-based therapies.
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Affiliation(s)
- Jiarong Zheng
- Department of Dentistry, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510080, China
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, Guangdong, China
| | - Ye Lu
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, Guangdong, China
| | - Yunfan Lin
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, Guangdong, China
| | - Shanshan Si
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, Guangdong, China
| | - Bing Guo
- Department of Dentistry, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, 510080, China.
| | - Xinyuan Zhao
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, Guangdong, China.
| | - Li Cui
- Stomatological Hospital, School of Stomatology, Southern Medical University, Guangzhou, 510280, Guangdong, China.
- Division of Oral Biology and Medicine, School of Dentistry, University of California, Los Angeles, Los Angeles, 90095, CA, USA.
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8
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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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Liao X, Cai D, Liu J, Hu H, You R, Pan Z, Chen S, Xu K, Dai W, Zhang S, Lin X, Huang H. Deletion of Mettl3 in mesenchymal stem cells promotes acute myeloid leukemia resistance to chemotherapy. Cell Death Dis 2023; 14:796. [PMID: 38052820 PMCID: PMC10698052 DOI: 10.1038/s41419-023-06325-7] [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] [Received: 07/21/2023] [Revised: 11/10/2023] [Accepted: 11/22/2023] [Indexed: 12/07/2023]
Abstract
Acute myeloid leukemia (AML) cell survival and chemoresistance are influenced by the existence of bone marrow mesenchymal stem cells (BMMSCs); however, the pathways by which BMMSCs contribute to these processes remain unclear. We earlier revealed that methyltransferase-like 3 (METTL3) expression is significantly reduced in AML BMMSCs and that METTL3 mediates BMMSC adipogenesis to promote chemoresistance in human AML cell lines in vitro. In this investigation, we evaluated the METTL3 function in vivo. Mice exhibiting a conditional removal of Mettl3 in BMMSCs were developed by mating Prrx1-CreERT2;Mettl3fl/+ mice with Mettl3fl/fl mice using the CRISPR-Cas9 system. The Mettl3 deletion increased bone marrow adiposity, enhanced disease progression in the transplantation-induced MLL-AF9 AML mouse model, and chemoresistance to cytarabine. The removal of Mettl3 in BMMSCs resulted in a significant increase in BMMSC adipogenesis. This effect was attributed to the downregulation of AKT1 expression, an AKT serine/threonine kinase 1, in an m6A-dependent manner. The development of chemoresistance in AML is linked to the promoted adipogenesis of BMMSCs. We conclude that METTL3 expression in BMMSCs has a critical function in limiting AML progression and chemoresistance, providing a basis for the progression of therapeutic approaches for AML.
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Affiliation(s)
- Xinai Liao
- Central Laboratory, Fujian Medical University Union Hospital, 350001, Fuzhou, Fujian, China
| | - Danni Cai
- Central Laboratory, Fujian Medical University Union Hospital, 350001, Fuzhou, Fujian, China
| | - Jingru Liu
- Central Laboratory, Fujian Medical University Union Hospital, 350001, Fuzhou, Fujian, China
| | - Haoran Hu
- Central Laboratory, Fujian Medical University Union Hospital, 350001, Fuzhou, Fujian, China
| | - Ruolan You
- Central Laboratory, Fujian Medical University Union Hospital, 350001, Fuzhou, Fujian, China
| | - Zhipeng Pan
- Central Laboratory, Fujian Medical University Union Hospital, 350001, Fuzhou, Fujian, China
| | - Shucheng Chen
- Central Laboratory, Fujian Medical University Union Hospital, 350001, Fuzhou, Fujian, China
| | - Kaiming Xu
- Central Laboratory, Fujian Medical University Union Hospital, 350001, Fuzhou, Fujian, China
| | - Wei Dai
- Central Laboratory, Fujian Medical University Union Hospital, 350001, Fuzhou, Fujian, China
| | - Shuxia Zhang
- Fujian Institute of Hematology, Fujian Provincial Key Laboratory on Hematology, Fujian Medical University Union Hospital, 350001, Fuzhou, Fujian, China
| | - Xinjian Lin
- Key Laboratory of Gastrointestinal Cancer (Fujian Medical University), Ministry of Education, 350122, Fuzhou, Fujian, China.
| | - Huifang Huang
- Central Laboratory, Fujian Medical University Union Hospital, 350001, Fuzhou, Fujian, China.
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10
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Bao J, Yan Y, Zuo D, Zhuo Z, Sun T, Lin H, Han Z, Zhao Z, Yu H. Iron metabolism and ferroptosis in diabetic bone loss: from mechanism to therapy. Front Nutr 2023; 10:1178573. [PMID: 37215218 PMCID: PMC10196368 DOI: 10.3389/fnut.2023.1178573] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 04/07/2023] [Indexed: 05/24/2023] Open
Abstract
Osteoporosis, one of the most serious and common complications of diabetes, has affected the quality of life of a large number of people in recent years. Although there are many studies on the mechanism of diabetic osteoporosis, the information is still limited and there is no consensus. Recently, researchers have proven that osteoporosis induced by diabetes mellitus may be connected to an abnormal iron metabolism and ferroptosis inside cells under high glucose situations. However, there are no comprehensive reviews reported. Understanding these mechanisms has important implications for the development and treatment of diabetic osteoporosis. Therefore, this review elaborates on the changes in bones under high glucose conditions, the consequences of an elevated glucose microenvironment on the associated cells, the impact of high glucose conditions on the iron metabolism of the associated cells, and the signaling pathways of the cells that may contribute to diabetic bone loss in the presence of an abnormal iron metabolism. Lastly, we also elucidate and discuss the therapeutic targets of diabetic bone loss with relevant medications which provides some inspiration for its cure.
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Affiliation(s)
- Jiahao Bao
- Department of Oral & Cranio-maxillofacial Surgery, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, China
| | - Yixuan Yan
- Guangdong Provincial Key Laboratory of Stomatology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China
| | - Daihui Zuo
- Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Zhiyong Zhuo
- Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Tianhao Sun
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, Guangdong Engineering Technology Research Center for Orthopaedic Trauma Repair, Department of Orthopaedics and Traumatology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Hongli Lin
- School of Public Health, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR, China
| | - Zheshen Han
- School of Public Health, The University of Hong Kong, Pok Fu Lam, Hong Kong SAR, China
| | - Zhiyang Zhao
- Department of Oral & Cranio-maxillofacial Surgery, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, China
| | - Hongbo Yu
- Department of Oral & Cranio-maxillofacial Surgery, Shanghai Ninth People’s Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai, China
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11
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Wang Y, Yang Z. METTL3 relieved the injury of SH-SY5Y cells treated with lipopolysaccharide and exposed to sevoflurane through regulating the m6A levels of Sox2. Brain Behav 2023; 13:e2936. [PMID: 36977205 PMCID: PMC10176003 DOI: 10.1002/brb3.2936] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 01/10/2023] [Accepted: 02/14/2023] [Indexed: 03/30/2023] Open
Abstract
INTRODUCTION Postoperative cognitive dysfunction (POCD) is a common complication of the central nervous system in elderly patients. The objective of this study was to investigate the role of methyltransferase 3 (METTL3) in the POCD progression. METHODS The SH-SY5Y cells were treated with lipopolysaccharide (LPS) and exposed to sevoflurane to establish a POCD cell model. The cell viability and proliferation were assessed with MTT and EdU assays. Besides, the cell apoptosis was determined with TUNEL staining and flow cytometry. Additionally, the inflammatory factors were measured with ELISA. N6-methyladenosine (m6A) RNA Methylation Quantification Kit was used to detect the m6A levels. The relative expressions of methyltransferase 3 (METTL3) and Sex-determining region Y-box-2 (Sox2) was measured with RT-qPCR and western blot assays. RNA methylation immunoprecipitation-real-time quantitative PCR was performed to detect the RNA that was m6A modified. RESULTS After LPS treatment and sevoflurane exposure, the cell viability and proliferation were decreased and the cell apoptosis was elevated. The m6A and the METTL3 expression levels in the POCD cell model were declined. METTL3 overexpression promoted the cell growth and inhibited the cell apoptosis in the POCD cell model. Besides, the Sox2 levels were reduced in the POCD cell model. METTL3 silencing declined the m6A and mRNA levels of Sox2, while overexpression of METTL3 elevated it. The relationship between METTL3 and Sox2 was confirmed with double luciferase assay. Finally, Sox2 silencing neutralized the role of METTTL3 overexpression in the POCD cell model. CONCLUSION METTL3 relieved the injury of the SH-SY5Y cells induced by LPS treatment and sevoflurane exposure through regulating the m6A and mRNA levels of Sox2.
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Affiliation(s)
- Yilong Wang
- Department of Anesthesiology, International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
- Shanghai Municipal Key Clinical Specialty, Shanghai, China
| | - Zeyong Yang
- Department of Anesthesiology, International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China
- Shanghai Municipal Key Clinical Specialty, Shanghai, China
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12
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Roles of RNA Methylations in Cancer Progression, Autophagy, and Anticancer Drug Resistance. Int J Mol Sci 2023; 24:ijms24044225. [PMID: 36835633 PMCID: PMC9959100 DOI: 10.3390/ijms24044225] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/16/2023] [Accepted: 02/17/2023] [Indexed: 02/22/2023] Open
Abstract
RNA methylations play critical roles in RNA processes, including RNA splicing, nuclear export, nonsense-mediated RNA decay, and translation. Regulators of RNA methylations have been shown to be differentially expressed between tumor tissues/cancer cells and adjacent tissues/normal cells. N6-methyladenosine (m6A) is the most prevalent internal modification of RNAs in eukaryotes. m6A regulators include m6A writers, m6A demethylases, and m6A binding proteins. Since m6A regulators play important roles in regulating the expression of oncogenes and tumor suppressor genes, targeting m6A regulators can be a strategy for developing anticancer drugs. Anticancer drugs targeting m6A regulators are in clinical trials. m6A regulator-targeting drugs could enhance the anticancer effects of current chemotherapy drugs. This review summarizes the roles of m6A regulators in cancer initiation and progression, autophagy, and anticancer drug resistance. The review also discusses the relationship between autophagy and anticancer drug resistance, the effect of high levels of m6A on autophagy and the potential values of m6A regulators as diagnostic markers and anticancer therapeutic targets.
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13
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Wang Z, Wen S, Zhong M, Yang Z, Xiong W, Zhang K, Yang S, Li H, Guo S. Epigenetics: Novel crucial approach for osteogenesis of mesenchymal stem cells. J Tissue Eng 2023; 14:20417314231175364. [PMID: 37342486 PMCID: PMC10278427 DOI: 10.1177/20417314231175364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 04/26/2023] [Indexed: 06/23/2023] Open
Abstract
Bone has a robust regenerative potential, but its capacity to repair critical-sized bone defects is limited. In recent years, stem cells have attracted significant interest for their potential in tissue engineering. Applying mesenchymal stem cells (MSCs) for enhancing bone regeneration is a promising therapeutic strategy. However, maintaining optimal cell efficacy or viability of MSCs is limited by several factors. Epigenetic modification can cause changes in gene expression levels without changing its sequence, mainly including nucleic acids methylation, histone modification, and non-coding RNAs. This modification is believed to be one of the determinants of MSCs fate and differentiation. Understanding the epigenetic modification of MSCs can improve the activity and function of stem cells. This review summarizes recent advances in the epigenetic mechanisms of MSCs differentiation into osteoblast lineages. We expound that epigenetic modification of MSCs can be harnessed to treat bone defects and promote bone regeneration, providing potential therapeutic targets for bone-related diseases.
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Affiliation(s)
- Zhaohua Wang
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Si Wen
- Department of Nephrology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Meiqi Zhong
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Ziming Yang
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Wei Xiong
- Department of Plastic Surgery, The First Hospital of Shihezi University School of Medicine, Shihezi, China
| | - Kuo Zhang
- College of Humanities and Social Sciences, Dalian Medical University, Dalian, Liaoning Province, China
| | - Shude Yang
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
| | - Huizheng Li
- Department of Otorhinolaryngology & Head and Neck Surgery, Dalian Friendship Hospital of Dalian Medical University, Dalian, Liaoning Province, China
| | - Shu Guo
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, Liaoning Province, China
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METTL3-Mediated lncSNHG7 m 6A Modification in the Osteogenic/Odontogenic Differentiation of Human Dental Stem Cells. J Clin Med 2022; 12:jcm12010113. [PMID: 36614914 PMCID: PMC9821659 DOI: 10.3390/jcm12010113] [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: 11/08/2022] [Revised: 12/11/2022] [Accepted: 12/19/2022] [Indexed: 12/28/2022] Open
Abstract
Background: Human dental pulp stem cells (hDPSCs) play an important role in endodontic regeneration. N6-methyladenosine (m6A) is the most common RNA modification, and noncoding RNAs have also been demonstrated to have regulatory roles in the expression of m6A regulatory proteins. However, the study on m6A modification in hDPSCs has not yet been conducted. Methods: Single base site PCR (MazF) was used to detect the m6A modification site of lncSNHG7 before and after mineralization of hDPSCs to screen the target m6A modification protein, and bioinformatics analysis was used to analyze the related pathways rich in lncSNHG7. After knockdown and overexpression of lncSNHG7 and METTL3, the osteogenic/odontogenic ability was detected. After METTL3 knockdown, the m6A modification level and its expression of lncSNHG7 were detected by MazF, and their binding was confirmed. Finally, the effects of lncSNHG7 and METTL3 on the Wnt/β-catenin pathway were detected. Results: MazF experiments revealed that lncSNHG7 had a m6A modification before and after mineralization of hDPSCs, and the occurrence site was 2081. METTL3 was most significantly upregulated after mineralization of hDPSCs. Knockdown/ overexpression of lncSNHG7 and METTL3 inhibited/promoted the osteogenic/odontogenic differentiation of hDPSCs. The m6A modification and expression of lncSNHG7 were both regulated by METTL3. Subsequently, lncSNHG7 and METTL3 were found to regulate the Wnt/β-catenin signaling pathway. Conclusion: These results revealed that METTL3 can activate the Wnt/β-catenin signaling pathway by regulating the m6A modification and expression of lncSNHG7 in hDPSCs to enhance the osteogenic/odontogenic differentiation of hDPSCs. Our study provides new insight into stem cell-based tissue engineering.
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15
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Fluid shear stress promotes osteogenesis of bone mesenchymal stem cells at early matrix maturity phase through Lamin A/ METTL3 signal axis. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Zhang Z, Mei Y, Hou M. Knockdown RBM15 Inhibits Colorectal Cancer Cell Proliferation and Metastasis Via N6-Methyladenosine (m6A) Modification of MyD88 mRNA. Cancer Biother Radiopharm 2022; 37:976-986. [PMID: 34842457 DOI: 10.1089/cbr.2021.0226] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Colorectal cancer (CRC) is one of the most common cancers worldwide. In this study, we explored the role of RNA binding motif protein 15 (RBM15)-mediated MyD88 mRNA N6-methyladenosine (m6A) in CRC development. Cell proliferation, apoptosis, and invasion were detected by EdU, Annexin V-FITC/PI staining, and Transwell assays, respectively. RBM15 and MyD88 expression was detected by RT-qPCR and Western blot. RNA-seq, RIP-seq, and MeRIP-seq were used for RBM15 downstream target gene prediction and expression detection. In this research, we confirmed that RBM15 was highly expressed in CRC tissues and was negatively correlated with overall and disease-free survival rate. Silencing RBM15 significantly inhibited the proliferative and invasive abilities and promoted cell apoptosis in the CRC cell lines (SW480 and HCT116). Moreover, tumor growth and CRC liver metastasis were inhibited by silencing RBM15 in vivo. m6A methylation level was decreased in RBM15-silenced SW480 and HCT116 cells. MyD88 was the target mRNA of RBM15-mediated m6A methylation in CRC. MyD88 was lowly expressed in CRC and negatively correlated with RBM15 expression. Taken together, RBM15 silencing inhibited the CRC growth and metastasis in vitro and in vivo. RBM15 mediated m6A methylation modification of MyD88 mRNA in CRC cells.
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Affiliation(s)
- Zhen Zhang
- The First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China.,Department of Gastrointestinal Surgery, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Yan Mei
- Health Management (Physical Examination) Center, Inner Mongolia Autonomous Region People's Hospital, Hohhot, China
| | - Mingxing Hou
- Department of Gastrointestinal Surgery, The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
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17
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Zhang C, Dai D, Zhang W, Yang W, Guo Y, Wei Q. Role of m6A RNA methylation in the development of hepatitis B virus-associated hepatocellular carcinoma. J Gastroenterol Hepatol 2022; 37:2039-2050. [PMID: 36066844 DOI: 10.1111/jgh.15999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 05/10/2022] [Accepted: 09/03/2022] [Indexed: 12/13/2022]
Abstract
Hepatocellular carcinoma (HCC) is the most common liver malignancy that can be developed from hepatitis B and cirrhosis. Many pathophysiological alterations, including hepatitis B virus (HBV) DNA integration, oxidative stress, cytokine release, telomerase homeostasis, mitochondrial damage, epigenetic modification, and tumor microenvironment, are involved in the biological process from hepatitis B to cirrhosis and HCC. N6-methyladenosine (m6A), as an epitranscriptomic modification of RNAs, can regulate the stability, splicing, degradation, transcription, and translation of downstream target RNAs in HBV and liver cancer cells. m6A regulators (writers, erasers, and readers) play an important role in the pathogenesis of HBV-associated HCC by regulating cell proliferation, apoptosis, migration, autophagy, differentiation, inflammation, angiogenesis, and tumor microenvironment. This review summarizes the current progress of m6A methylation in the molecular mechanisms, biological functions, and potential clinical implications of HBV-associated HCC.
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Affiliation(s)
- Cheng Zhang
- Department of Medical Oncology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, China.,Department of Radiation Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Dongjun Dai
- Department of Radiation Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Wangjian Zhang
- School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Wenjun Yang
- Department of Pathology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, China
| | - Yinglu Guo
- Department of Radiation Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qichun Wei
- Department of Radiation Oncology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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18
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Liu P, Li Y, Wang W, Bai Y, Jia H, Yuan Z, Yang Z. Role and mechanisms of the NF-ĸB signaling pathway in various developmental processes. Biomed Pharmacother 2022; 153:113513. [DOI: 10.1016/j.biopha.2022.113513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 07/26/2022] [Accepted: 08/01/2022] [Indexed: 11/02/2022] Open
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19
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Recent Advances of m6A Demethylases Inhibitors and Their Biological Functions in Human Diseases. Int J Mol Sci 2022; 23:ijms23105815. [PMID: 35628623 PMCID: PMC9144293 DOI: 10.3390/ijms23105815] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/15/2022] [Accepted: 05/17/2022] [Indexed: 12/12/2022] Open
Abstract
N6-methyladenosine (m6A) is a post-transcriptional RNA modification and one of the most abundant types of RNA chemical modifications. m6A functions as a molecular switch and is involved in a range of biomedical aspects, including cardiovascular diseases, the central nervous system, and cancers. Conceptually, m6A methylation can be dynamically and reversibly modulated by RNA methylation regulatory proteins, resulting in diverse fates of mRNAs. This review focuses on m6A demethylases fat-mass- and obesity-associated protein (FTO) and alkB homolog 5 (ALKBH5), which especially erase m6A modification from target mRNAs. Recent advances have highlighted that FTO and ALKBH5 play an oncogenic role in various cancers, such as acute myeloid leukemias (AML), glioblastoma, and breast cancer. Moreover, studies in vitro and in mouse models confirmed that FTO-specific inhibitors exhibited anti-tumor effects in several cancers. Accumulating evidence has suggested the possibility of FTO and ALKBH5 as therapeutic targets for specific diseases. In this review, we aim to illustrate the structural properties of these two m6A demethylases and the development of their specific inhibitors. Additionally, this review will summarize the biological functions of these two m6A demethylases in various types of cancers and other human diseases.
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20
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Yang C, Dong Z, Ling Z, Chen Y. The crucial mechanism and therapeutic implication of RNA methylation in bone pathophysiology. Ageing Res Rev 2022; 79:101641. [PMID: 35569786 DOI: 10.1016/j.arr.2022.101641] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 04/19/2022] [Accepted: 05/09/2022] [Indexed: 12/12/2022]
Abstract
Methylation is the most common posttranscriptional modification in cellular RNAs, which has been reported to modulate the alteration of RNA structure for initiating relevant functions such as nuclear translocation and RNA degradation. Recent studies found that RNA methylation especially N6-methyladenosine (m6A) regulates the dynamic balance of bone matrix and forms a complicated network in bone metabolism. The modulation disorder of RNA methylation contributes to several pathological bone diseases including osteoporosis (OP), osteoarthritis (OA), rheumatoid arthritis (RA), and so on. In the review, we will discuss advanced technologies for detecting RNA methylation, summarize RNA methylation-related biological impacts on regulating bone homeostasis and pathological bone diseases. In addition, we focus on the promising roles of RNA methylation in early diagnosis and therapeutic implications for bone-related diseases. Then, we aim to establish a theoretical basis for further investigation in this meaningful field.
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21
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Wei B, Zeng M, Yang J, Li S, Zhang J, Ding N, Jiang Z. N6-Methyladenosine RNA Modification: A Potential Regulator of Stem Cell Proliferation and Differentiation. Front Cell Dev Biol 2022; 10:835205. [PMID: 35445023 PMCID: PMC9013802 DOI: 10.3389/fcell.2022.835205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 03/09/2022] [Indexed: 11/30/2022] Open
Abstract
Stem cell transplantation (SCT) holds great promise for overcoming diseases by regenerating damaged cells, tissues and organs. The potential for self-renewal and differentiation is the key to SCT. RNA methylation, a dynamic and reversible epigenetic modification, is able to regulate the ability of stem cells to differentiate and regenerate. N6-methyladenosine (m6A) is the richest form of RNA methylation in eukaryotes and is regulated by three classes of proteins: methyltransferase complexes, demethylase complexes and m6A binding proteins. Through the coordination of these proteins, RNA methylation precisely modulates the expression of important target genes by affecting mRNA stability, translation, selective splicing, processing and microRNA maturation. In this review, we summarize the most recent findings on the regulation of m6A modification in embryonic stem cells, induced pluripotent stem cells and adult stem cells, hoping to provide new insights into improving SCT technology.
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Affiliation(s)
- Bo Wei
- Research Lab of Translational Medicine, Hengyang Medical School, University of South China, Hengyang, China
- Key Laboratory for Arteriosclerology of Hunan Province, Human International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Institute of Cardiovascular Disease, Hengyang Medical College, University of South China, Hengyang, China
| | - Meiyu Zeng
- Research Lab of Translational Medicine, Hengyang Medical School, University of South China, Hengyang, China
| | - Jing Yang
- Research Lab of Translational Medicine, Hengyang Medical School, University of South China, Hengyang, China
| | - Shuainan Li
- Research Lab of Translational Medicine, Hengyang Medical School, University of South China, Hengyang, China
| | - Jiantao Zhang
- Institution of Pathogenic Biology, Hengyang Medical School, University of South China, Hengyang, China
| | - Nan Ding
- Institution of Pathogenic Biology, Hengyang Medical School, University of South China, Hengyang, China
- *Correspondence: Nan Ding, ; Zhisheng Jiang,
| | - Zhisheng Jiang
- Key Laboratory for Arteriosclerology of Hunan Province, Human International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Institute of Cardiovascular Disease, Hengyang Medical College, University of South China, Hengyang, China
- *Correspondence: Nan Ding, ; Zhisheng Jiang,
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22
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Li Y, Meng L, Zhao B. The roles of N6-methyladenosine methylation in the regulation of bone development, bone remodeling and osteoporosis. Pharmacol Ther 2022; 238:108174. [PMID: 35346729 DOI: 10.1016/j.pharmthera.2022.108174] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/23/2022] [Accepted: 03/22/2022] [Indexed: 01/12/2023]
Abstract
N6-methyladenosine (m6A), a novel epitranscriptomic RNA modification, plays crucial roles in a variety of biological processes and diseases. Recently, there are growing evidence supporting that m6A methylation is essential for bone development and homeostasis through the regulation of key genes by regulating RNA stability, localization, turnover and translation efficiency. In this review, we summarized our current understanding of the functional roles of m6A methylation and its related regulators in bone development and bone remodeling. These findings will offer new directions and insights on the further investigations of m6A methylation in bone biology. Moreover, we also discussed important advances of m6A methylation related regulators as potential therapeutic targets, which allows for novel therapeutic strategies on the medications of bone-related diseases including osteoporosis.
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Affiliation(s)
- Yuan Li
- Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Suzhou Research Institute, Shandong University, Suzhou, Jiangsu 215123, China
| | - Li Meng
- Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Baobing Zhao
- Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China; Key Laboratory of Chemical Biology, Ministry of Education, Shandong University, Jinan 250012, China.
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23
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Yang L, Wu G, Wu Q, Peng L, Yuan L. METTL3 overexpression aggravates LPS-induced cellular inflammation in mouse intestinal epithelial cells and DSS-induced IBD in mice. Cell Death Dis 2022; 8:62. [PMID: 35165276 PMCID: PMC8844074 DOI: 10.1038/s41420-022-00849-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 01/12/2022] [Accepted: 01/25/2022] [Indexed: 11/09/2022]
Abstract
The inflammatory bowel diseases (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), are chronic inflammatory disorders of the intestine. Dysregulated cytokine secretion and signal transduction mechanisms via intestinal epithelial cells are involved in IBD pathogenesis, in which the transcription factor NF-κB plays a critical role. In this study, METTL3, which plays a key role in inflammation regulation, has been recognized significantly up-regulated in IBD samples, DSS-induced IBD mice, and LPS-treated MODE-K cells. Within LPS-treated MODE-K cells, METTL3 knockdown promoted cell viability, inhibited cell apoptosis, decreased apoptotic caspase3/9 cleavage, and decreased the levels of proinflammatory cytokines (IL-1β, TNF-α, IL-6, and IL-18) and inflammatory enzymes (COX-2 and iNOS). Under the same conditions, METTL3 knockdown inhibited, whereas METTL3 overexpression promoted p65 phosphorylation in MODE-K cells; NF-κB inhibitor JSH-23 partially abolished the promotive effects of METTL3 overexpression upon p65 phosphorylation. Consistently, the effects of METTL3 overexpression upon LPS-stimulated MODE-K cells were partially abolished by JSH-23. Lastly, METTL3 knockdown in DSS-induced IBD mice significantly ameliorated DSS-induced IBD and inhibited DSS-induced p65 phosphorylation. In conclusion, METTL3 overexpression aggravates LPS-induced cellular inflammation in mouse intestinal epithelial cells and DSS-induced IBD in mice. The NF-κB signaling might be involved, and the regulatory mechanism remains to be investigated in our future study.
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Affiliation(s)
- Lichao Yang
- Department of Geriatric Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Guotao Wu
- Department of Geriatric Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qiang Wu
- Department of Geriatric Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Liangxin Peng
- Department of Geriatric Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Lianwen Yuan
- Department of Geriatric Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
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24
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Lin Y, Shen X, Ke Y, Lan C, Chen X, Liang B, Zhang Y, Yan S. Activation of osteoblast ferroptosis via the METTL3/ASK1‐p38 signaling pathway in high glucose and high fat (HGHF)‐induced diabetic bone loss. FASEB J 2022; 36:e22147. [PMID: 35104016 DOI: 10.1096/fj.202101610r] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/11/2021] [Accepted: 12/21/2021] [Indexed: 12/14/2022]
Affiliation(s)
- Youfen Lin
- Department of Endocrinology the First Affiliated Hospital of Fujian Medical University Fuzhou China
| | - Ximei Shen
- Department of Endocrinology the First Affiliated Hospital of Fujian Medical University Fuzhou China
- Clinical Research Center for Metabolic Diseases of Fujian Province the First Affiliated Hospital of Fujian Medical University Fuzhou China
- Diabetes Research Institute of Fujian Province the First Affiliated Hospital of Fujian Medical University Fuzhou China
- Metabolic Diseases Research Institute the First Affiliated Hospital of Fujian Medical University Fuzhou China
| | - Yuzhen Ke
- Department of Endocrinology the First Affiliated Hospital of Fujian Medical University Fuzhou China
| | - Chao Lan
- Department of Endocrinology the First Affiliated Hospital of Fujian Medical University Fuzhou China
| | - Xiaoyuan Chen
- Department of Endocrinology the First Affiliated Hospital of Fujian Medical University Fuzhou China
| | - Bo Liang
- Department of Endocrinology the First Affiliated Hospital of Fujian Medical University Fuzhou China
| | - Yongze Zhang
- Department of Endocrinology the First Affiliated Hospital of Fujian Medical University Fuzhou China
| | - Sunjie Yan
- Department of Endocrinology the First Affiliated Hospital of Fujian Medical University Fuzhou China
- Clinical Research Center for Metabolic Diseases of Fujian Province the First Affiliated Hospital of Fujian Medical University Fuzhou China
- Diabetes Research Institute of Fujian Province the First Affiliated Hospital of Fujian Medical University Fuzhou China
- Metabolic Diseases Research Institute the First Affiliated Hospital of Fujian Medical University Fuzhou China
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25
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Qu J, Yan H, Hou Y, Cao W, Liu Y, Zhang E, He J, Cai Z. RNA demethylase ALKBH5 in cancer: from mechanisms to therapeutic potential. J Hematol Oncol 2022; 15:8. [PMID: 35063010 PMCID: PMC8780705 DOI: 10.1186/s13045-022-01224-4] [Citation(s) in RCA: 69] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/03/2022] [Indexed: 12/16/2022] Open
Abstract
RNA demethylase ALKBH5 takes part in the modulation of N6-methyladenosine (m6A) modification and controls various cell processes. ALKBH5-mediated m6A demethylation regulates gene expression by affecting multiple events in RNA metabolism, e.g., pre-mRNA processing, mRNA decay and translation. Mounting evidence shows that ALKBH5 plays critical roles in a variety of human malignancies, mostly via post-transcriptional regulation of oncogenes or tumor suppressors in an m6A-dependent manner. Meanwhile, increasing non-coding RNAs are recognized as functional targets of ALKBH5 in cancers. Here we reviewed up-to-date findings about the pathological roles of ALKBH5 in cancer, the molecular mechanisms by which it exerts its functions, as well as the underlying mechanism of its dysregulation. We also discussed the therapeutic implications of targeting ALKBH5 in cancer and potential ALKBH5-targeting strategies.
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Affiliation(s)
- Jianwei Qu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Haimeng Yan
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yifan Hou
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Wen Cao
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yang Liu
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Enfan Zhang
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jingsong He
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Zhen Cai
- Bone Marrow Transplantation Center, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
- Institute of Hematology, Zhejiang University, Hangzhou, Zhejiang, China.
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26
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Wu J, Liu F, Wang Z, Liu Y, Zhao X, Fang C, Leung F, Yeung KWK, Wong TM. The Development of a Magnesium-Releasing and Long-Term Mechanically Stable Calcium Phosphate Bone Cement Possessing Osteogenic and Immunomodulation Effects for Promoting Bone Fracture Regeneration. Front Bioeng Biotechnol 2022; 9:803723. [PMID: 35087804 PMCID: PMC8786730 DOI: 10.3389/fbioe.2021.803723] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 12/20/2021] [Indexed: 12/21/2022] Open
Abstract
Bone grafts are commonly used for the treatment of critical sized bone defects. Since the supply of autologous bone is insufficient, allogeneic bone grafts have been used most of the time. However, the poor osteogenic property of allogeneic bone grafts after pretreatment results in delayed union, non-union, or even occasional deformity. Calcium phosphate cement (CPC) is one of the most promising bone filling materials due to its good biocompatibility and similar chemical components as natural bone. However, clinical applications of CPC were hampered by limited osteogenic effects, undesired immune response which results in resorption, and poor mechanical stability in vivo. Magnesium (Mg) has been proven to trigger bone regeneration through modulating cell behaviors of mesenchymal stem cells and macrophages significantly. Unfortunately, the degradation raters of pure Mg and Mg oxide are extremely fast, resulting in early collapse of Mg contained CPC. In this study, we developed a novel magnesium contained calcium phosphate bone cement (Mg-CPC), possessing long-term mechanical stability and osteogenic effects through sustained release of Mg. Furthermore, in vitro studies showed that Mg-CPC had no cytotoxic effects on hBMMSCs and macrophage RAW 264.7, and could enhance the osteogenic differentiation as determined by alkaline phosphate (ALP) activity and calcium nodule staining, as well as suppress the inflammatory as determined by expression of anti-inflammatory cytokine IL-1RA. We also found that Mg-CPC promoted new bone formation and bone maturation in vivo. These results suggest that Mg-CPC should be a good substitute material for bone grafts in clinical use.
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Affiliation(s)
- Jun Wu
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Feihong Liu
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Zejin Wang
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Yuan Liu
- Research Center for Human Tissues and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Xiaoli Zhao
- Research Center for Human Tissues and Organs Degeneration, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Christian Fang
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Frankie Leung
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
| | - Kelvin W. K. Yeung
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
- *Correspondence: Kelvin W. K. Yeung, ; Tak Man Wong,
| | - Tak Man Wong
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Pokfulam, Hong Kong SAR, China
- *Correspondence: Kelvin W. K. Yeung, ; Tak Man Wong,
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27
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Huang M, Xu S, Liu L, Zhang M, Guo J, Yuan Y, Xu J, Chen X, Zou J. m6A Methylation Regulates Osteoblastic Differentiation and Bone Remodeling. Front Cell Dev Biol 2022; 9:783322. [PMID: 34993198 PMCID: PMC8724434 DOI: 10.3389/fcell.2021.783322] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 12/06/2021] [Indexed: 01/15/2023] Open
Abstract
Osteoporosis is a prevalent bone disease of the aging population, which is characterized by a decrease in bone mass because of the imbalance of bone metabolism. Although the prevention and treatment of osteoporosis have been explored by different researchers, the mechanisms underlying osteoporosis are not clear exactly. N6 methyladenosine (m6A) is a methylated adenosine nucleotide, which functions through its interaction with the proteins called “writers,” “readers” and “erasers.” The epigenetic regulation of m6A has been demonstrated to affect mRNA processing, nuclear export, translation, and splicing. At the cellular level, m6A modification has been known to affect cell proliferation, differentiation, and apoptosis of bone-related cells, such as bone marrow mesenchymal stem cells (BMSC), osteoblasts, and osteoclasts by regulating the expression of ALP, Runx2, Osterix, VEGF, and other related genes. Furthermore, PTH/Pth1r, PI3K‐Akt, Wnt/β‐Catenin, and other signaling pathways, which play important roles in the regulation of bone homeostasis, are also regulated by m6A. Thus, m6A modification may provide a new approach for osteoporosis treatment. The key roles of m6A modification in the regulation of bone health and osteoporosis are reviewed here in this article.
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Affiliation(s)
- Mei Huang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China.,School of Sports Science, Wenzhou Medical University, Wenzhou, China
| | - Shaozhe Xu
- School of Sports Science, Wenzhou Medical University, Wenzhou, China
| | - Lifei Liu
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Miao Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Jianmin Guo
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
| | - Yu Yuan
- School of Kinesiology, Shanghai University of Sport, Shanghai, China.,School of Physical Education and Sports Science, South China Normal University, Guangzhou, China
| | - Jiake Xu
- School of Biomedical Sciences, University of Western Australia, Perth, WA, Australia
| | - Xi Chen
- School of Sports Science, Wenzhou Medical University, Wenzhou, China
| | - Jun Zou
- School of Kinesiology, Shanghai University of Sport, Shanghai, China
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28
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Choubey P, Kaur H, Bansal K. Modulation of DNA/RNA Methylation Signaling Mediating Metabolic Homeostasis in Cancer. Subcell Biochem 2022; 100:201-237. [PMID: 36301496 DOI: 10.1007/978-3-031-07634-3_7] [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] [Indexed: 06/16/2023]
Abstract
Nucleic acid methylation is a fundamental epigenetic mechanism that impinges upon several cellular attributes, including metabolism and energy production. The dysregulation of deoxyribonucleic acid (DNA)/ribonucleic acid (RNA) methylation can lead to metabolic rewiring in the cell, which in turn facilitates tumor development. Here, we review the current knowledge on the interplay between DNA/RNA methylation and metabolic programs in cancer cells. We also discuss the mechanistic role of these pathways in tumor development and progression.
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Affiliation(s)
- Pallawi Choubey
- Molecular Biology and Genetics Unit (MBGU), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore, India
| | - Harshdeep Kaur
- Molecular Biology and Genetics Unit (MBGU), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore, India
| | - Kushagra Bansal
- Molecular Biology and Genetics Unit (MBGU), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore, India.
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29
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The Role of RNA Methylation in Regulating Stem Cell Fate and Function-Focus on m 6A. Stem Cells Int 2021; 2021:8874360. [PMID: 34745269 PMCID: PMC8568546 DOI: 10.1155/2021/8874360] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 07/18/2021] [Accepted: 09/23/2021] [Indexed: 01/22/2023] Open
Abstract
The biological role of RNA methylation in stem cells has attracted increasing attention. Recent studies have demonstrated that RNA methylation plays a crucial role in self-renewal, differentiation, and tumorigenicity of stem cells. In this review, we focus on the biological role of RNA methylation modifications including N6-methyladenosine, 5-methylcytosine, and uridylation in embryonic stem cells, adult stem cells, induced pluripotent stem cells, and cancer stem cells, so as to provide new insights into the potential innovative treatments of cancer or other complex diseases.
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30
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Huang R, Yang L, Zhang Z, Liu X, Fei Y, Tong WM, Niu Y, Liang Z. RNA m 6A Demethylase ALKBH5 Protects Against Pancreatic Ductal Adenocarcinoma via Targeting Regulators of Iron Metabolism. Front Cell Dev Biol 2021; 9:724282. [PMID: 34733841 PMCID: PMC8558440 DOI: 10.3389/fcell.2021.724282] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2021] [Accepted: 09/28/2021] [Indexed: 11/18/2022] Open
Abstract
Although RNA m6A regulators have been implicated in the tumorigenesis of several different types of tumors, including pancreatic cancer, their clinical relevance and intrinsic regulatory mechanism remain elusive. This study analyzed eight m6A regulators (METTL3, METTL14, WTAP, FTO, ALKBH5, and YTHDF1-3) in pancreatic ductal adenocarcinoma (PDAC) and found that only RNA m6A demethylase ALKBH5 serves as an independent favorable prognostic marker for this tumor. To better understand the molecular mechanism underlying the protective effect conferred by ALKBH5 against pancreatic tumorigenesis, we performed a transcriptome-wide analysis of m6A methylation, gene expression, and alternative splicing (AS) using the MIA PaCa-2 stable cell line with ALKBH5 overexpression. We demonstrated that ALKBH5 overexpression induced a reduction in RNA m6A levels globally. Furthermore, mRNAs encoding ubiquitin ligase FBXL5, and mitochondrial iron importers SLC25A28 and SLC25A37, were identified as substrates of ALKBH5. Mechanistically, the RNA stabilities of FBXL5 and SLC25A28, and the AS of SLC25A37 were affected, which led to their upregulation in pancreatic cancer cell line. Particularly, we observed that downregulation of FBXL5 in tumor samples correlated with shorter survival time of patients. Owing to FBXL5-mediated degradation, ALKBH5 overexpression incurred a significant reduction in iron-regulatory protein IRP2 and the modulator of epithelial-mesenchymal transition (EMT) SNAI1. Notably, ALKBH5 overexpression led to a significant reduction in intracellular iron levels as well as cell migratory and invasive abilities, which could be rescued by knocking down FBXL5. Overall, our results reveal a previously uncharacterized mechanism of ALKBH5 in protecting against PDAC through modulating regulators of iron metabolism and underscore the multifaceted role of m6A in pancreatic cancer.
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Affiliation(s)
- Rui Huang
- Department of Pathology, State Key Laboratory of Complex Severe and Rare Disease, Molecular Pathology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lin Yang
- Department of Pathology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhiwen Zhang
- Department of Pathology, State Key Laboratory of Complex Severe and Rare Disease, Molecular Pathology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiaoding Liu
- Department of Pathology, State Key Laboratory of Complex Severe and Rare Disease, Molecular Pathology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yi Fei
- Department of Pathology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wei-Min Tong
- Department of Pathology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yamei Niu
- Department of Pathology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhiyong Liang
- Department of Pathology, State Key Laboratory of Complex Severe and Rare Disease, Molecular Pathology Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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31
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Emerging Roles of N6-Methyladenosine Modification in Neurodevelopment and Neurodegeneration. Cells 2021; 10:cells10102694. [PMID: 34685675 PMCID: PMC8534826 DOI: 10.3390/cells10102694] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/26/2021] [Accepted: 09/29/2021] [Indexed: 11/17/2022] Open
Abstract
N6-methyladenosine (m6A), the most abundant modification in messenger RNAs (mRNAs), is deposited by methyltransferases ("writers") Mettl3 and Mettl14 and erased by demethylases ("erasers") Fto and Alkbh5. m6A can be recognized by m6A-binding proteins ("readers"), such as Yth domain family proteins (Ythdfs) and Yth domain-containing protein 1 (Ythdc1). Previous studies have indicated that m6A plays an essential function in various fundamental biological processes, including neurogenesis and neuronal development. Dysregulated m6A modification contributes to neurological disorders, including neurodegenerative diseases. In this review, we summarize the current knowledge about the roles of m6A machinery, including writers, erasers, and readers, in regulating gene expression and the function of m6A in neurodevelopment and neurodegeneration. We also discuss the perspectives for studying m6A methylation.
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32
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METTL3-Mediated lncRNA m 6A Modification in the Osteogenic Differentiation of Human Adipose-Derived Stem Cells Induced by NEL-Like 1 Protein. Stem Cell Rev Rep 2021; 17:2276-2290. [PMID: 34505967 DOI: 10.1007/s12015-021-10245-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/11/2021] [Indexed: 02/05/2023]
Abstract
OBJECTIVES This study aimed to explore the regulatory mechanism of methyltransferase3 (METTL3) -mediated long non-coding RNA (lncRNA) N6-methyladenosine (m6A) modification in the osteogenic differentiation of human adipose-derived stem cells (hASCs) induced by NEL-like 1 protein (NELL-1). MATERIALS AND METHODS Methylated RNA immunoprecipitation sequencing (MeRIP-seq) and high- throughput sequencing for RNA (RNA-seq) were performed on hASCs. Osteogenic ability was detected by alkaline phosphatase (ALP) staining, Alizarin Red S(ARS) staining, ALP quantification and Quantitative real-time polymerase chain reaction analysis (qRT-PCR). Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis predicted the osteogenesis-related pathways enriched for the lncRNAs and identified the target lncRNAs. After overexpression and knockdown of METTL3, methylated RNA immunoprecipitation-qPCR (MeRIP-qPCR) and qRT-PCR were used to detect the levels of m6A modification and the expression of the target lncRNA, and the binding of both was confirmed by RNA binding protein immunoprecipitation (RIP) assay. The effects of lncRNA and METTL3 on phosphorylation of the key proteins of the pathway were detected by western blot analysis. RESULTS In vitro experiments showed that METTL3 can promote osteogenic differentiation and that its expression level is upregulated. KEGG pathway analysis predicted that lncRNAs with differentially upregulated methylated peaks were enriched mostly in the mitogen-activated protein kinase (MAPK) signaling pathway, in which Serine/threonine protein kinase 3 (STK3) was the predicted target gene of the lncRNA RP11-44 N12.5. The m6A modification and expression of RP11-44 N12.5 were both regulated by METTL3. Subsequently, lncRNA RP11-44 N12.5 and METTL3 were found to regulate the phosphorylation levels of three key proteins in the MAPK signaling pathway, ERK, JNK and p38. CONCLUSIONS This study shows, for the first time, that METTL3 can activate the MAPK signaling pathway by regulating the m6A modification and expression of a lncRNA, thereby enhancing the osteogenic differentiation of hASCs.
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33
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Xiao D, Fang TX, Lei Y, Xiao SJ, Xia JW, Lin TY, Li YL, Zhai JX, Li XY, Huang SH, Jia JS, Tian YG, Lin XL, Cai KC, Sun Y. m 6A demethylase ALKBH5 suppression contributes to esophageal squamous cell carcinoma progression. Aging (Albany NY) 2021; 13:21497-21512. [PMID: 34491904 PMCID: PMC8457604 DOI: 10.18632/aging.203490] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 08/13/2021] [Indexed: 12/15/2022]
Abstract
Esophageal squamous cell carcinoma (ESCC) is a highly malignant gastrointestinal cancer with a high recurrence rate and poor prognosis. Although N6-methyladenosine (m6A), the most abundant epitranscriptomic modification of mRNAs, has been implicated in several cancers, little is known about its participation in ESCC progression. We found reduced expression of ALKBH5, an m6A demethylase, in ESCC tissue specimens with a more pronounced effect in T3-T4, N1-N3, clinical stages III-IV, and histological grade III tumors, suggesting its involvement in advanced stages of ESCC. Exogenous expression of ALKBH5 inhibited the in vitro proliferation of ESCC cells, whereas depletion of endogenous ALKBH5 markedly enhanced ESCC cell proliferation in vitro. This suggests ALKBH5 exerts anti-proliferative effects on ESCC growth. Furthermore, ALKBH5 overexpression suppressed tumor growth of Eca-109 cells in nude mice; conversely, depletion of endogenous ALKBH5 accelerated tumor growth of TE-13 cells in vivo. The growth-inhibitory effects of ALKBH5 overexpression are partly attributed to a G1-phase arrest. In addition, ALKBH5 overexpression reduced the in vitro migration and invasion of ESCC cells. Altogether, our findings demonstrate that the loss of ALKBH5 expression contributes to ESCC malignancy.
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Affiliation(s)
- Dong Xiao
- Laboratory Animal Center, Southern Medical University, Guangzhou 510515, China
- Guangzhou Southern Medical Laboratory Animal Sci. & Tech. Co., Ltd., Guangzhou 510515, China
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
- National Demonstration Center for Experimental Education of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Ting-Xiao Fang
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Ye Lei
- Laboratory Animal Center, Southern Medical University, Guangzhou 510515, China
- Guangzhou Southern Medical Laboratory Animal Sci. & Tech. Co., Ltd., Guangzhou 510515, China
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Sheng-Jun Xiao
- Department of Pathology, The Second Affiliated Hospital, Guilin Medical University, Guilin 541199, China
| | - Jia-Wei Xia
- The Third People’s Hospital of Kunming, The Sixth Affiliated Hospital of Dali University, Kunming 650041, China
| | - Tao-Yan Lin
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
- Department of Pharmacy, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yong-Long Li
- Laboratory Animal Center, Southern Medical University, Guangzhou 510515, China
- Guangzhou Southern Medical Laboratory Animal Sci. & Tech. Co., Ltd., Guangzhou 510515, China
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Jian-Xue Zhai
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Xiao-Yan Li
- Laboratory Animal Center, Southern Medical University, Guangzhou 510515, China
- Guangzhou Southern Medical Laboratory Animal Sci. & Tech. Co., Ltd., Guangzhou 510515, China
| | - Shi-Hao Huang
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Jun-Shuang Jia
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Yu-Guang Tian
- Laboratory Animal Center, Southern Medical University, Guangzhou 510515, China
- Guangzhou Southern Medical Laboratory Animal Sci. & Tech. Co., Ltd., Guangzhou 510515, China
| | - Xiao-Lin Lin
- Guangzhou Key Laboratory of Tumor Immunology Research, Cancer Research Institute, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Kai-Can Cai
- Department of Thoracic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yan Sun
- Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou 510080, China
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34
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Han YC, Xie HZ, Lu B, Xiang RL, Zhang HP, Li JY, Zhang SY. Lipopolysaccharide Alters the m6A Epitranscriptomic Tagging of RNAs in Cardiac Tissue. Front Mol Biosci 2021; 8:670160. [PMID: 34395520 PMCID: PMC8355517 DOI: 10.3389/fmolb.2021.670160] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 07/14/2021] [Indexed: 11/13/2022] Open
Abstract
N6-methyladenosine (m6A) modification plays important roles in the pathology of a variety of diseases. However, the roles of m6A modification in sepsis-induced myocardial dysfunction are not well defined. Rats were divided into control and lipopolysaccharide (LPS)-induced sepsis group. Global m6A levels of left ventricle tissue were measured by LC-MS/MS, and transcriptome-wide m6A modifications were profiled using epitranscriptomic microarrays (mRNAs and lncRNAs). Bioinformatics analysis was conducted to understand the functional implications of m6A modifications during sepsis. Methylated lncRNAs and mRNAs were measured by m6A single-base site qPCR. The global m6A levels in left ventricle tissue were significantly decreased in the LPS group. While 27 transcripts (23 mRNAs and four lncRNAs) were hypermethylated, 46 transcripts (39 mRNAs and 7 lncRNAs) were hypomethylated in the LPS group. The mRNA expression of writers and readers was significantly decreased in the LPS group. The m6A modification of Clec1b, Stk38l and Tnfrsf26 was associated with platelet activation and apoptotic pathways. Moreover, the decrease in m6A modification of lncRNA XR_346,771 may be related to cation import in cardiac tissue. Our data provide novel information regarding changes to m6A modifications in cardiac tissue during sepsis, and m6A modifications might be promising therapeutic targets.
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Affiliation(s)
- Ye-Chen Han
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hong-Zhi Xie
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Bo Lu
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ruo-Lan Xiang
- Department of Physiology and Pathophysiology, Peking University School of Basic Medical Sciences, Beijing, China
| | - Hai-Peng Zhang
- Peking University Fifth School of Clinical Medicine (Beijing Hospital), Beijing, China
| | - Jing-Yi Li
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shu-Yang Zhang
- Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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35
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Shi W, Zheng Y, Luo S, Li X, Zhang Y, Meng X, Huang C, Li J. METTL3 Promotes Activation and Inflammation of FLSs Through the NF-κB Signaling Pathway in Rheumatoid Arthritis. Front Med (Lausanne) 2021; 8:607585. [PMID: 34295905 PMCID: PMC8290917 DOI: 10.3389/fmed.2021.607585] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Accepted: 03/08/2021] [Indexed: 12/30/2022] Open
Abstract
Rheumatoid arthritis (RA), a common autoimmune disease, is extremely damaging to human health. Fibroblast-like synoviocytes (FLSs) have a vital role in the occurrence and development of RA. Methyltransferase-like 3 (METTL3), which is a crucial component of the N6-methyladenosine (m6A) methyltransferase complex, is involved in the progression of many diseases. In this study, we explored the role of METTL3 in the inflammatory response and proliferation, invasion, and migration of FLSs. We used human RA synovial tissues and the adjuvant-induced arthritis (AIA) animal model of RA. Experimental results revealed that METTL3 expression was significantly upregulated in human RA synovial tissues and in the rat AIA model. METTL3 knockdown suppressed interleukin (IL)-6, matrix metalloproteinase (MMP)-3, and MMP-9 levels in human RA-FLSs and rat AIA-FLSs. In contrast, they were increased by METTL3 overexpression. Additionally, we found that, in FLSs, METTL3 may activate the nuclear factor (NF)-κB signaling pathway. The experimental results showed that METTL3 may promote FLS activation and inflammatory response via the NF-κB signaling pathway.
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Affiliation(s)
- Wen Shi
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China.,Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Yan Zheng
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China.,Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Shuai Luo
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China.,Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Xiaofeng Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China.,Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Yilong Zhang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China.,Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Xiaoming Meng
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China.,Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Cheng Huang
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China.,Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
| | - Jun Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China.,Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei, China.,The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China
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36
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Hu Y, Zhao X. Role of m6A in osteoporosis, arthritis and osteosarcoma (Review). Exp Ther Med 2021; 22:926. [PMID: 34306195 PMCID: PMC8281110 DOI: 10.3892/etm.2021.10358] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 03/11/2021] [Indexed: 12/18/2022] Open
Abstract
RNA modification is a type of post-transcriptional modification that regulates important cellular pathways, such as the processing and metabolism of RNA. The most abundant form of methylation modification is RNA N6-methyladenine (m6A), which plays various post-transcriptional regulatory roles in cellular biological functions, including cell differentiation, embryonic development and disease occurrence. Bones play a pivotal role in the skeletal system as they support and protect muscles and other organs, facilitate movement and ensure haematopoiesis. The development and remodelling of bones require a delicate and accurate regulation of gene expression by epigenetic mechanisms that involve modifications of histone, DNA and RNA. The present review discusses the enzymes and proteins involved in mRNA m6A methylation modification and summarises current research progress and the mechanisms of mRNA m6A methylation in common orthopaedic diseases, including osteoporosis, arthritis and osteosarcoma.
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Affiliation(s)
- Yibo Hu
- Department of Orthopaedic Trauma, The Affiliated Hospital of Qinghai University, Xining, Qinghai 810000, P.R. China
| | - Xiaohui Zhao
- Department of Orthopaedic Trauma, The Affiliated Hospital of Qinghai University, Xining, Qinghai 810000, P.R. China
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37
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Liu C, Yang Z, Li R, Wu Y, Chi M, Gao S, Sun X, Meng X, Wang B. Potential roles of N6-methyladenosine (m6A) in immune cells. J Transl Med 2021; 19:251. [PMID: 34103054 PMCID: PMC8186046 DOI: 10.1186/s12967-021-02918-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 05/29/2021] [Indexed: 12/20/2022] Open
Abstract
N6-methyl-adenosine (m6A) is one of the most common internal modifications on RNA molecules present in mammalian cells. Deregulation of m6A modification has been recently implicated in many types of human diseases. Therefore, m6A modification has become a research hotspot for its potential therapeutic applications in the treatment of various diseases. The immune system mostly involves different types of immune cells to provide the first line of defense against infections. The immunoregulatory network that orchestrate the immune responses to new pathogens plays a pivotal role in the development of the disease. And m6A modification has been demonstrated to be a major post-transcriptional regulator of immune responses in cells. In this review, we summarize the participants involved in m6A regulation and try to reveal how m6A modification affects the immune responses via changing the immunoregulatory networks.
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Affiliation(s)
- Chang Liu
- Department of Radiation Oncology, The First Affiliated Hospital of China Medical University, No. 155 NanJing North Road, Shenyang, China
| | - Zhe Yang
- College of Life Science, Liaoning University, 66 Chongshan Road, Shenyang, 110036, People's Republic of China
| | - Rong Li
- College of Life Science, Liaoning University, 66 Chongshan Road, Shenyang, 110036, People's Republic of China
| | - Yanju Wu
- Department of Biochemistry and Molecular Biology, School of Life Sciences, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, China
| | - Ming Chi
- Department of Biochemistry and Molecular Biology, School of Life Sciences, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, China
| | - Shuting Gao
- Department of Biochemistry and Molecular Biology, School of Life Sciences, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, China
| | - Xun Sun
- Department of Immunology, College of Basic Medical Sciences of China Medical University, , No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, China
| | - Xin Meng
- Department of Biochemistry and Molecular Biology, School of Life Sciences, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, China
| | - Biao Wang
- Department of Biochemistry and Molecular Biology, School of Life Sciences, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, 110122, Liaoning, China.
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38
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Liu GM, Zeng HD, Zhang CY, Xu JW. Identification of METTL3 as an Adverse Prognostic Biomarker in Hepatocellular Carcinoma. Dig Dis Sci 2021; 66:1110-1126. [PMID: 32333311 DOI: 10.1007/s10620-020-06260-z] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 04/08/2020] [Indexed: 02/07/2023]
Abstract
INTRODUCTION N6-methyladenosine (m6A), the most prominent mRNA modification, plays a critical role in many physiological and pathological processes. However, the roles of m6A RNA modification in hepatocellular carcinoma (HCC) remain largely unknown. MATERIALS AND METHODS We investigated the mRNA expression and clinical significance of m6A-related genes using data from The Cancer Genome Atlas (TCGA) liver hepatocellular carcinoma cohort. Mutation, copy number variation (CNV), methylation, differential expression, and gene ontology analyses, gene set enrichment analysis and the construction of a competing endogenous RNA (ceRNA) regulatory network were performed to investigate the underlying mechanisms of the aberrant expression of m6A-related genes. RESULTS m6A-related genes were frequently dysregulated in cancers but with a cancer-specific pattern. METTL3, YTHDF2, and ZC3H13 were found to be independent prognostic factors of overall survival (OS); however, only METTL3 was found to be an independent prognostic factor of recurrence-free survival (RFS). Joint effects analysis showed the predictive capacity of combining METTL3, YTHDF2, and ZC3H13 for HCC OS. Then the potential mechanisms of METTL3 were further explored due to its prognostic role in both OS and RFS. CNV and DNA methylation, but not somatic mutations, might contribute to the abnormal upregulation of METTL3 in HCC. Significantly altered genes, microRNAs, and lncRNAs were identified, and a ceRNA regulatory network was constructed to explain the upregulation of METTL3 in HCC. CONCLUSIONS Our study identified several m6A-related genes, especially METTL3, that could be potential prognostic biomarkers in HCC.
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Affiliation(s)
- Gao-Min Liu
- Department of Hepatobiliary Surgery, Meizhou People's Hospital, No. 63 Huangtang Road, Meizhou, 514000, China. .,Guangdong Provincial Key Laboratory of Precision Medicine and Clinical Translational Research of Hakka Population, Meizhou, China.
| | - Hua-Dong Zeng
- Department of Hepatobiliary Surgery, Meizhou People's Hospital, No. 63 Huangtang Road, Meizhou, 514000, China.,Guangdong Provincial Key Laboratory of Precision Medicine and Clinical Translational Research of Hakka Population, Meizhou, China
| | - Cai-Yun Zhang
- Department of Hepatobiliary Surgery, Meizhou People's Hospital, No. 63 Huangtang Road, Meizhou, 514000, China.,Guangdong Provincial Key Laboratory of Precision Medicine and Clinical Translational Research of Hakka Population, Meizhou, China
| | - Ji-Wei Xu
- Department of Hepatobiliary Surgery, Meizhou People's Hospital, No. 63 Huangtang Road, Meizhou, 514000, China.,Guangdong Provincial Key Laboratory of Precision Medicine and Clinical Translational Research of Hakka Population, Meizhou, China
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39
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Jiang X, Liu B, Nie Z, Duan L, Xiong Q, Jin Z, Yang C, Chen Y. The role of m6A modification in the biological functions and diseases. Signal Transduct Target Ther 2021; 6:74. [PMID: 33611339 PMCID: PMC7897327 DOI: 10.1038/s41392-020-00450-x] [Citation(s) in RCA: 772] [Impact Index Per Article: 257.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 12/09/2020] [Indexed: 01/31/2023] Open
Abstract
N6-methyladenosine (m6A) is the most prevalent, abundant and conserved internal cotranscriptional modification in eukaryotic RNAs, especially within higher eukaryotic cells. m6A modification is modified by the m6A methyltransferases, or writers, such as METTL3/14/16, RBM15/15B, ZC3H3, VIRMA, CBLL1, WTAP, and KIAA1429, and, removed by the demethylases, or erasers, including FTO and ALKBH5. It is recognized by m6A-binding proteins YTHDF1/2/3, YTHDC1/2 IGF2BP1/2/3 and HNRNPA2B1, also known as "readers". Recent studies have shown that m6A RNA modification plays essential role in both physiological and pathological conditions, especially in the initiation and progression of different types of human cancers. In this review, we discuss how m6A RNA methylation influences both the physiological and pathological progressions of hematopoietic, central nervous and reproductive systems. We will mainly focus on recent progress in identifying the biological functions and the underlying molecular mechanisms of m6A RNA methylation, its regulators and downstream target genes, during cancer progression in above systems. We propose that m6A RNA methylation process offer potential targets for cancer therapy in the future.
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Affiliation(s)
- Xiulin Jiang
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, 650223 Kunming, Yunnan China ,grid.410726.60000 0004 1797 8419Kunming College of Life Science, University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Baiyang Liu
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, 650223 Kunming, Yunnan China ,grid.410726.60000 0004 1797 8419Kunming College of Life Science, University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Zhi Nie
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, 650223 Kunming, Yunnan China ,grid.410726.60000 0004 1797 8419Kunming College of Life Science, University of Chinese Academy of Sciences, 100049 Beijing, China ,grid.285847.40000 0000 9588 0960Kunming Medical University, 650500 Kunming, China
| | - Lincan Duan
- grid.285847.40000 0000 9588 0960Kunming Medical University, 650500 Kunming, China
| | - Qiuxia Xiong
- grid.285847.40000 0000 9588 0960Kunming Medical University, 650500 Kunming, China
| | - Zhixian Jin
- grid.285847.40000 0000 9588 0960Kunming Medical University, 650500 Kunming, China
| | - Cuiping Yang
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, 650223 Kunming, Yunnan China
| | - Yongbin Chen
- grid.419010.d0000 0004 1792 7072Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences & Yunnan Province, Kunming Institute of Zoology, 650223 Kunming, Yunnan China ,grid.9227.e0000000119573309Center for Excellence in Animal Evolution and Genetics, Chinese Academy of Sciences, 650223 Kunming, Yunnan China
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40
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Li H, Wu H, Wang Q, Ning S, Xu S, Pang D. Dual effects of N 6-methyladenosine on cancer progression and immunotherapy. MOLECULAR THERAPY-NUCLEIC ACIDS 2021; 24:25-39. [PMID: 33738136 PMCID: PMC7933696 DOI: 10.1016/j.omtn.2021.02.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
According to the latest global cancer statistics, cancer has become a major threat to human health, but cancer treatment has encountered many bottlenecks. As an emerging topic in epigenetics, N6-methyladenosine (m6A) is the most common internal modification on eukaryotic mRNA, which has attracted increasing attention in recent years. Accumulating studies have shown that aberrant m6A modifications have profound effects on the characteristics of tumors, which undoubtedly led to a significant breakthrough in cancer treatment. Although m6A function as an oncogene or tumor suppressor is not fully revealed, determining its precise function in the development and evolution of malignant tumors is crucial in improving clinical decisions involving targeted therapies. In this review, we briefly introduce the composition of the m6A methylation machinery and mainly summarize the biological mechanism of m6A in cancer cell death, angiogenesis, epithelial-mesenchymal transition (EMT), and therapeutic resistance. Subsequently, we present the exogenous regulatory factors of m6A and highlight the role of m6A on immune cells and cancer immunotherapy. The potential therapeutic strategies of m6A in human cancer are also discussed, considering research gaps and future applications.
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Affiliation(s)
- Hui Li
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Department of Breast Surgery, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
| | - Hao Wu
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Sino-Russian Medical Research Center, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
| | - Qin Wang
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Sino-Russian Medical Research Center, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
| | - Shipeng Ning
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Department of Breast Surgery, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
| | - Shouping Xu
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Department of Breast Surgery, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
| | - Da Pang
- Harbin Medical University, 157 Baojian Road, Harbin 150086, China.,Department of Breast Surgery, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Sino-Russian Medical Research Center, Harbin Medical University Cancer Hospital, 150 Haping Road, Harbin 150081, China.,Heilongjiang Academy of Medical Sciences, 157 Baojian Road, Harbin 150086, China
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41
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Li M, Zha X, Wang S. The role of N6-methyladenosine mRNA in the tumor microenvironment. Biochim Biophys Acta Rev Cancer 2021; 1875:188522. [PMID: 33545295 DOI: 10.1016/j.bbcan.2021.188522] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/27/2021] [Accepted: 01/30/2021] [Indexed: 12/25/2022]
Abstract
In recent years, the most widely distributed eukaryotic messenger RNA (mRNA) modification, N6-methyladenosine (m6A), has received a large amount of interest, in part due to the development and advances of high-throughput RNA sequencing. The effects of m6A mRNA on tumor progression have been the most widely studied, and large amounts of conflicting data have been reported due to differences in tumor contexts, cell types or cell states. The majority of these studies were related to the significance of m6A mRNA on tumor cells, including on proliferation, stemness, invasion capability, etc. However, it has been noted that tumorigenesis and tumor progression cannot occur without support from the tumor microenvironment (TME), which contains multiple types of stromal cells, such as infiltrating immune cells (IICs), vascular cells, mesenchymal stem cells (MSCs), cancer-associated fibroblasts (CAFs), and various environmental factors. Here, we summarized the contributions of abnormal m6A mRNA in stromal cells within the TME and described the effects of m6A mRNA on TME remodeling.
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Affiliation(s)
- Min Li
- Department of Laboratory Medicine, The Affiliated People's Hospital, Jiangsu University, Zhenjiang, China; Department of Immunology, Jiangsu Key Laboratory of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Xuan Zha
- Department of Laboratory Medicine, The Affiliated People's Hospital, Jiangsu University, Zhenjiang, China; Department of Immunology, Jiangsu Key Laboratory of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China
| | - Shengjun Wang
- Department of Laboratory Medicine, The Affiliated People's Hospital, Jiangsu University, Zhenjiang, China; Department of Immunology, Jiangsu Key Laboratory of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China.
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42
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Sun Z, Wang H, Wang Y, Yuan G, Yu X, Jiang H, Wu Q, Yang B, Hu Z, Shi F, Cao X, Zhang S, Guo T, Zhao J. MiR-103-3p targets the m 6 A methyltransferase METTL14 to inhibit osteoblastic bone formation. Aging Cell 2021; 20:e13298. [PMID: 33440070 PMCID: PMC7884043 DOI: 10.1111/acel.13298] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 11/09/2020] [Accepted: 12/07/2020] [Indexed: 12/11/2022] Open
Abstract
Impaired osteoblast function is involved in osteoporosis, and microRNA (miRNA) dysregulation may cause abnormal osteoblast osteogenic activity. However, the influence of miRNA on osteoblast activity and the underlying mechanisms remain elusive. In this study, miR‐103‐3p was found to be negatively correlated with bone formation in bone specimens from elderly women with fractures and ovariectomized (OVX) mice. Additionally, miR‐103‐3p directly targeted Mettl14 to inhibit osteoblast activity, and METTL14‐dependent N6‐methyladenosine (m6A) methylation inhibited miR‐103‐3p processing by the microprocessor protein DGCR8 and promoted osteoblast activity. Moreover, miR‐103‐3p inhibited bone formation in vivo, and therapeutic inhibition of miR‐103‐3p counteracted the decreased bone formation in OVX mice. Further, METTL14 was negatively correlated with miR‐103‐3p but positively correlated with bone formation in bone specimens from elderly women with fractures and OVX mice. Collectively, our results highlight the critical roles of the miR‐103‐3p/METTL14/m6A signaling axis in osteoblast activity, identifying this axis as a potential target for ameliorating osteoporosis.
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Affiliation(s)
- Zhongyang Sun
- Department of Orthopedics, Affiliated Jinling Hospital Medical School of Nanjing University Nanjing China
- Department of Orthopedics, Air Force Hospital of Eastern Theater Anhui Medical University Nanjing China
| | - Han Wang
- Department of Orthopedics Air Force Medical Center Beijing China
| | - Yuxiang Wang
- Department of Orthopedics, Affiliated Jinling Hospital Medical School of Nanjing University Nanjing China
| | - Guodong Yuan
- Medical School of Southeast University Nanjing China
| | - Xin Yu
- Department of Orthopedics, Affiliated Jinling Hospital Medical School of Nanjing University Nanjing China
| | - Hui Jiang
- Department of Orthopedics, Affiliated Jinling Hospital Medical School of Nanjing University Nanjing China
| | - Qi Wu
- Department of Orthopedics, Affiliated Jinling Hospital Medical School of Nanjing University Nanjing China
| | - Binkui Yang
- Hangzhou Special Sanatorium Center of the PLA Air Force Nanjing China
| | - Zebing Hu
- The Key Laboratory of Aerospace Medicine, Ministry of Education Air Force Medical University Xi'an China
| | - Fei Shi
- The Key Laboratory of Aerospace Medicine, Ministry of Education Air Force Medical University Xi'an China
| | - Xinsheng Cao
- The Key Laboratory of Aerospace Medicine, Ministry of Education Air Force Medical University Xi'an China
| | - Shu Zhang
- The Key Laboratory of Aerospace Medicine, Ministry of Education Air Force Medical University Xi'an China
| | - Ting Guo
- Department of Orthopedics, Affiliated Jinling Hospital Medical School of Nanjing University Nanjing China
| | - Jianning Zhao
- Department of Orthopedics, Affiliated Jinling Hospital Medical School of Nanjing University Nanjing China
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43
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Bayoumi M, Munir M. Structural Insights Into m6A-Erasers: A Step Toward Understanding Molecule Specificity and Potential Antiviral Targeting. Front Cell Dev Biol 2021; 8:587108. [PMID: 33511112 PMCID: PMC7835257 DOI: 10.3389/fcell.2020.587108] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 11/26/2020] [Indexed: 12/13/2022] Open
Abstract
The cellular RNA can acquire a variety of chemical modifications during the cell cycle, and compelling pieces of evidence highlight the importance of these modifications in determining the metabolism of RNA and, subsequently, cell physiology. Among myriads of modifications, methylation at the N6-position of adenosine (m6A) is the most important and abundant internal modification in the messenger RNA. The m6A marks are installed by methyltransferase complex proteins (writers) in the majority of eukaryotes and dynamically reversed by demethylases such as FTO and ALKBH5 (erasers). The incorporated m6A marks on the RNA transcripts are recognized by m6A-binding proteins collectively called readers. Recent epigenetic studies have unequivocally highlighted the association of m6A demethylases with a range of biomedical aspects, including human diseases, cancers, and metabolic disorders. Moreover, the mechanisms of demethylation by m6A erasers represent a new frontier in the future basic research on RNA biology. In this review, we focused on recent advances describing various physiological, pathological, and viral regulatory roles of m6A erasers. Additionally, we aim to analyze structural insights into well-known m6A-demethylases in assessing their substrate binding-specificity, efficiency, and selectivity. Knowledge on cellular and viral RNA metabolism will shed light on m6A-specific recognition by demethylases and will provide foundations for the future development of efficacious therapeutic agents to various cancerous conditions and open new avenues for the development of antivirals.
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Affiliation(s)
- Mahmoud Bayoumi
- Division of Biomedical and Life Sciences, Lancaster University, Lancaster, United Kingdom.,Virology Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Muhammad Munir
- Division of Biomedical and Life Sciences, Lancaster University, Lancaster, United Kingdom
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44
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Gu J, Zhan Y, Zhuo L, Zhang Q, Li G, Li Q, Qi S, Zhu J, Lv Q, Shen Y, Guo Y, Liu S, Xie T, Sui X. Biological functions of m 6A methyltransferases. Cell Biosci 2021; 11:15. [PMID: 33431045 PMCID: PMC7798219 DOI: 10.1186/s13578-020-00513-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 12/07/2020] [Indexed: 12/17/2022] Open
Abstract
M6A methyltransferases, acting as a writer in N6-methyladenosine, have attracted wide attention due to their dynamic regulation of life processes. In this review, we first briefly introduce the individual components of m6A methyltransferases and explain their close connections to each other. Then, we concentrate on the extensive biological functions of m6A methyltransferases, which include cell growth, nerve development, osteogenic differentiation, metabolism, cardiovascular system homeostasis, infection and immunity, and tumour progression. We summarize the currently unresolved problems in this research field and propose expectations for m6A methyltransferases as novel targets for preventive and curative strategies for disease treatment in the future.
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Affiliation(s)
- Jianzhong Gu
- College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.,Department of Oncology, The First Affiliated Hospital of Zhejiang Chinese Medical University, 54 Youdian Road, Hangzhou, 310006, Zhejiang, China
| | - Yu Zhan
- Department of Oncology, The First Affiliated Hospital of Zhejiang Chinese Medical University, 54 Youdian Road, Hangzhou, 310006, Zhejiang, China
| | - Lvjia Zhuo
- College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China
| | - Qin Zhang
- College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China
| | - Guohua Li
- College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China
| | - Qiujie Li
- College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China
| | - Shasha Qi
- College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China
| | - Jinyu Zhu
- College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China
| | - Qun Lv
- Department of Respiratory medicine, the Affiliated Hospital of Hangzhou Normal University, School of Medicine, Hangzhou Normal University, Hangzhou, 310015, Zhejiang, China
| | - Yingying Shen
- Department of Oncology, The First Affiliated Hospital of Zhejiang Chinese Medical University, 54 Youdian Road, Hangzhou, 310006, Zhejiang, China
| | - Yong Guo
- Department of Oncology, The First Affiliated Hospital of Zhejiang Chinese Medical University, 54 Youdian Road, Hangzhou, 310006, Zhejiang, China
| | - Shuiping Liu
- College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China. .,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.
| | - Tian Xie
- College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China. .,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.
| | - Xinbing Sui
- College of Pharmacy, School of Medicine, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China. .,Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.
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45
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Chen J, Tian Y, Zhang Q, Ren D, Zhang Q, Yan X, Wang L, He Z, Zhang W, Zhang T, Yuan X. Novel Insights Into the Role of N6-Methyladenosine RNA Modification in Bone Pathophysiology. Stem Cells Dev 2020; 30:17-28. [PMID: 33231507 DOI: 10.1089/scd.2020.0157] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Thus far, there are more than known 150 modifications to RNA, in which common internal modifications of mRNA include N6-methyladenosine (m6A), N1-methyladenosine, and 5-methylcytosine. Among them, m6A RNA modification is one of the highest abundance modifications in eukaryotes, regulating mechanisms controlling gene expression at the post-transcription level. As an invertible and dynamic epigenetic marker, m6A base modification influences almost all vital biological processes, cellular components, and molecular functions. Once the m6A modification process is abnormal, a series of diseases-including cancer, neurological diseases, and growth disorders-will be caused. Besides, several base modification activities also have been created by noncoding RNAs (ncRNAs), for instance, microRNAs, and circular RNAs, long ncRNAs, which were dynamically regulated during bone and cartilage pathophysiology processes. Therefore, it has now been clear that dynamic modification on coding RNAs and ncRNAs represents a completely new way to modulate genetic information. In this review, we highlight up-to-date progress and applications of m6A RNA modification in bone and cartilage pathophysiology, and we discuss the pathological roles and underlying molecular mechanism of m6A modifications in osteoarthritis and osteoporosis and osteosarcoma pathogenesis.
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Affiliation(s)
- Junbo Chen
- Department of Orthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China.,School of Stomatology, Qingdao University, Qingdao, China
| | - Yihong Tian
- School of Stomatology, Qingdao University, Qingdao, China
| | - Qi Zhang
- Department of Orthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China.,School of Stomatology, Qingdao University, Qingdao, China
| | - Dapeng Ren
- Department of Orthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Qiang Zhang
- Department of Orthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiao Yan
- Department of Orthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Lingzhi Wang
- Department of Orthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China.,School of Stomatology, Qingdao University, Qingdao, China
| | - Zijing He
- Department of Orthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China.,School of Stomatology, Qingdao University, Qingdao, China
| | - Wei Zhang
- Department of Orthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China.,School of Stomatology, Qingdao University, Qingdao, China
| | - Tianzhen Zhang
- Department of Orthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China.,School of Stomatology, Qingdao University, Qingdao, China
| | - Xiao Yuan
- Department of Orthodontics, The Affiliated Hospital of Qingdao University, Qingdao, China.,School of Stomatology, Qingdao University, Qingdao, China
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46
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Surmounting cancer drug resistance: New insights from the perspective of N6-methyladenosine RNA modification. Drug Resist Updat 2020; 53:100720. [DOI: 10.1016/j.drup.2020.100720] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 08/10/2020] [Accepted: 08/14/2020] [Indexed: 02/07/2023]
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47
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Han X, Wang L, Han Q. Advances in the role of m 6A RNA modification in cancer metabolic reprogramming. Cell Biosci 2020; 10:117. [PMID: 33062255 PMCID: PMC7552565 DOI: 10.1186/s13578-020-00479-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 09/24/2020] [Indexed: 01/10/2023] Open
Abstract
N6-methyladenosine (m6A) modification is the most common internal modification of eukaryotic mRNA and is widely involved in many cellular processes, such as RNA transcription, splicing, nuclear transport, degradation, and translation. m6A has been shown to plays important roles in the initiation and progression of various cancers. The altered metabolic programming of cancer cells promotes their cell-autonomous proliferation and survival, leading to an indispensable hallmark of cancers. Accumulating evidence has demonstrated that this epigenetic modification exerts extensive effects on the cancer metabolic network by either directly regulating the expression of metabolic genes or modulating metabolism-associated signaling pathways. In this review, we summarized the regulatory mechanisms and biological functions of m6A and its role in cancer metabolic reprogramming.
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Affiliation(s)
- Xiu Han
- Center of Clinical Laboratory, Suzhou Dushu Lake Public Hospital, 9#, Chongwen Road, Suzhou, 215000 People’s Republic of China
| | - Lin Wang
- Center of Clinical Laboratory, Suzhou Dushu Lake Public Hospital, 9#, Chongwen Road, Suzhou, 215000 People’s Republic of China
| | - Qingzhen Han
- Center of Clinical Laboratory, Suzhou Dushu Lake Public Hospital, 9#, Chongwen Road, Suzhou, 215000 People’s Republic of China
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48
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Xiao MZ, Liu JM, Xian CL, Chen KY, Liu ZQ, Cheng YY. Therapeutic potential of ALKB homologs for cardiovascular disease. Biomed Pharmacother 2020; 131:110645. [PMID: 32942149 DOI: 10.1016/j.biopha.2020.110645] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 08/05/2020] [Accepted: 08/16/2020] [Indexed: 02/06/2023] Open
Abstract
Cardiovascular diseases (CVDs) are the leading causes of human death. Recently, ALKB homologs, including ALKBH1-8 and FTO, have been found to have a variety of biological functions, such as histone demethylation, RNA demethylation, and DNA demethylation. These functions may regulate the physiological and pathological processes of CVDs, including inflammation, oxidative stress, cell apoptosis, and mitochondrial, endothelial, and fat metabolism dysfunction. In the present review, we summarize the biological functions of ALKB homologs and the relationship between the ALKB homologs and CVDs. Importantly, we discuss the roles of ALKB homologs in the regulation of oxidative stress, inflammation, autophagy, and DNA damage in CVDs, as well as the practical applications of ALKB homologs inhibitors or agonists in treating CVDs. In conclusion, the ALKBH family might be a promising target for CVDs therapy.
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Affiliation(s)
- Ming-Zhu Xiao
- Guangdong Key Laboratory for Translational Cancer Research of Chinese Medicine, Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, International Institute for Translational Chinese Medicine, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510006, China; School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Jia-Ming Liu
- Guangdong Key Laboratory for Translational Cancer Research of Chinese Medicine, Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, International Institute for Translational Chinese Medicine, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510006, China; School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Cui-Ling Xian
- Guangdong Key Laboratory for Translational Cancer Research of Chinese Medicine, Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, International Institute for Translational Chinese Medicine, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510006, China; School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Keng-Yu Chen
- Guangdong Key Laboratory for Translational Cancer Research of Chinese Medicine, Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, International Institute for Translational Chinese Medicine, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510006, China; The Second Affiliated Hospital of Guangdong Pharmaceutical University, Yunfu, 527300, China
| | - Zhong-Qiu Liu
- Guangdong Key Laboratory for Translational Cancer Research of Chinese Medicine, Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, International Institute for Translational Chinese Medicine, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510006, China.
| | - Yuan-Yuan Cheng
- Guangdong Key Laboratory for Translational Cancer Research of Chinese Medicine, Joint Laboratory for Translational Cancer Research of Chinese Medicine of the Ministry of Education of the People's Republic of China, International Institute for Translational Chinese Medicine, School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510006, China.
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49
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Zhang W, He L, Liu Z, Ren X, Qi L, Wan L, Wang W, Tu C, Li Z. Multifaceted Functions and Novel Insight Into the Regulatory Role of RNA N 6-Methyladenosine Modification in Musculoskeletal Disorders. Front Cell Dev Biol 2020; 8:870. [PMID: 32984346 PMCID: PMC7493464 DOI: 10.3389/fcell.2020.00870] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 08/11/2020] [Indexed: 12/21/2022] Open
Abstract
RNA modifications have emerged as key regulators of transcript expression in diverse physiological and pathological processes. As one of the most prevalent types of RNA modifications, N6-methyladenosine (m6A) has become the highlight in modulation of various diseases through interfering RNA splicing, translation, nuclear export, and decay. In many cases, the detailed functions of m6A in cellular processes and diseases remain unclear. Notably, recent studies have determined the relationship between m6A modification and musculoskeletal disorders containing osteosarcoma, osteoarthritis, rheumatoid arthritis, osteoporosis, etc. Herein, this review comprehensively summarizes the recent advances of m6A modification in pathogenesis and progression of musculoskeletal diseases. Specifically, the underlying molecular mechanisms, detection technologies, regulatory functions, clinical implications, and future perspectives of m6A in musculoskeletal disorders are discussed, with the aim to provide a novel insight into their association.
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Affiliation(s)
- Wenchao Zhang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lile He
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China.,Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Zhongyue Liu
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiaolei Ren
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lin Qi
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lu Wan
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Wanchun Wang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Chao Tu
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Zhihong Li
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China.,Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
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50
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Karthiya R, Khandelia P. m6A RNA Methylation: Ramifications for Gene Expression and Human Health. Mol Biotechnol 2020; 62:467-484. [PMID: 32840728 DOI: 10.1007/s12033-020-00269-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2020] [Indexed: 12/12/2022]
Abstract
Cellular transcriptomes are frequently adorned by a variety of chemical modification marks, which in turn have a profound influence on its functioning. Of these modifications, the one which has invited a lot of attention in the recent years is m6A RNA methylation, leading to the development of RNA epigenetics or epitranscriptomics as a frontier research area. m6A RNA methylation is one of the most abundant reversible internal modification seen in cellular RNAs. Studies in the last few years have not only shed light on the molecular machinery involved in m6A RNA methylation but also on the impact of this modification in regulating gene expression and hence biological processes. In this review, we will emphasize the biological impact of this modification in normal organismal development and diseases.
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Affiliation(s)
- R Karthiya
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani - Hyderabad Campus, Jawahar Nagar, Kapra Mandal, Medchal District, Hyderabad, Telangana, 500078, India
| | - Piyush Khandelia
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani - Hyderabad Campus, Jawahar Nagar, Kapra Mandal, Medchal District, Hyderabad, Telangana, 500078, India.
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