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Yang L, Chen L, Li W, Zhang Y, Yang G, Huang B, Cen Y, Wang H, Yang X, Lin F, Pang Y, Qi G. METTL3-mediated m6A RNA methylation was involved in aluminum-induced neurotoxicity. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 270:115878. [PMID: 38150748 DOI: 10.1016/j.ecoenv.2023.115878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/12/2023] [Accepted: 12/20/2023] [Indexed: 12/29/2023]
Abstract
Aluminum (Al) exposure has been linked to the development of a variety of neurodegenerative diseases. However, whether m6A RNA methylation participated in Al-induced neurotoxicity remain to be defined. In this study, mice were administrated with aluminum-lactate at dose of 220 mg/kg. bw by gavage for 3 months. Meanwhile, the primary hippocampal neurons were isolated and treated with 0, 50, 100, 150 μM aluminum-lactate, respectively for 7 days. Al exposure caused neuronal shrinkage, decreased Nissl bodies, and increased apoptosis. In accordance, in vitro studies also showed that Al exposure led to neuronal apoptosis in a dose-dependent manner, together with the decline in m6A RNA methylation levels. Moreover, the mRNA expression of Mettl3, Mettl14, Fto, and Ythdf2 were decreased upon Al exposure. Notably, the protein expression of METTL3 was dramatically down-regulated by 42% and 35% in Al-treated mice and neurons, suggesting METTL3 might exert a crucial role in Al-induced neurotoxicity. We next established a mouse model with hippocampus-specific overexpressing of Mettl3 gene to confirm the regulatory role of RNA methylation and found that METTL3 overexpression relieved the neurological injury induced by Al. The integrated MeRIP-seq and RNA-seq analysis elucidated that 631 genes were differentially expressed at both m6A RNA methylation and mRNA expression. Notably, EGFR tyrosine kinase inhibitor resistance, Rap1 signaling pathway, protein digestion and absorption might be involved in Al-induced neurotoxicity. Moreover, VEGFA, Thbs1, and PDGFB might be the central molecules. Collectively, our findings provide the novel sight into the role of m6A RNA methylation in neurodegenerative disease induced by Al.
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Affiliation(s)
- Lingling Yang
- College of Public Health and Management, Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Liping Chen
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Wenxue Li
- Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, China
| | - Yan Zhang
- Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, China
| | - Guangyu Yang
- Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, China
| | - Bing Huang
- Guangzhou Center for Disease Control and Prevention, Guangzhou, Guangdong, China
| | - Yufang Cen
- College of Public Health and Management, Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Huiqi Wang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Xueqin Yang
- Institute of Pathology and Toxicology, Shenzhen Prevention and treatment center for Occupational Diseases, Shenzhen, Guangdong, China
| | - Fangqin Lin
- GMU-GIBH Joint School of Life Sciences, The Guangdong-Hong Kong-Macau Joint Laboratory for Cell Fate Regulation and Diseases, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Yaqin Pang
- College of Public Health and Management, Youjiang Medical University for Nationalities, Baise, Guangxi, China; Key Laboratory of Research on Environment and Population Health in aluminium mining areas (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China
| | - Guangzi Qi
- College of Public Health and Management, Youjiang Medical University for Nationalities, Baise, Guangxi, China; Key Laboratory of Research on Environment and Population Health in aluminium mining areas (Youjiang Medical University for Nationalities), Education Department of Guangxi Zhuang Autonomous Region, Baise, China.
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Wang P, Xie D, Xiao T, Cheng C, Wang D, Sun J, Wu M, Yang Y, Zhang A, Liu Q. H3K18 lactylation promotes the progression of arsenite-related idiopathic pulmonary fibrosis via YTHDF1/m6A/NREP. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132582. [PMID: 37742376 DOI: 10.1016/j.jhazmat.2023.132582] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/26/2023] [Accepted: 09/17/2023] [Indexed: 09/26/2023]
Abstract
As epigenetic modifications, lactylation and N6-methyladenosine (m6A) have attracted wide attention. Arsenite is an environmental pollutant that has been proven to induce idiopathic pulmonary fibrosis (IPF). However, the molecular mechanisms of lactylation and m6A methylation are unclear in arsenite-related IPF (As-IPF). In view of the limited understanding of molecular mechanism of m6A and lactylation in As-IPF, MeRIP-seq, RNA-seq and ChIP-seq were analyzed to verify the target gene regulated by m6A and H3K18 lactylation (H3K18la). We found that, for As-IPF, the global levels of m6A, levels of YTHDF1 and m6A-modified neuronal protein 3.1 (NREP) were elevated in alveolar epithelial cells (AECs). The secretion levels of TGF-β1 were increased via YTHDF1/m6A/NREP, which promoted the fibroblast-to-myofibroblast transition (FMT). Further, extracellular lactate from myofibroblasts elevated levels of the global lactylation (Kla) and H3K18la via the lactate monocarboxylate transporter 1 (MCT1), and, in AECs, H3K18la facilitated the transcription of Ythdf1. This report highlights the role of crosstalk between AECs and myofibroblasts via lactylation and m6A and the significance of H3K18la regulation of YTHDF1 in the progression of As-IPF, which may be useful for finding effective therapeutic targets.
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Affiliation(s)
- Peiwen Wang
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Suzhou Institute of Public Health, Gusu School, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
| | - Daxiao Xie
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Suzhou Institute of Public Health, Gusu School, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
| | - Tian Xiao
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Suzhou Institute of Public Health, Gusu School, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China; Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, Jiangsu, PR China
| | - Cheng Cheng
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Suzhou Institute of Public Health, Gusu School, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
| | - Dapeng Wang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, Guizhou, PR China
| | - Jing Sun
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Suzhou Institute of Public Health, Gusu School, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
| | - Meng Wu
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Suzhou Institute of Public Health, Gusu School, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
| | - Yi Yang
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Suzhou Institute of Public Health, Gusu School, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China
| | - Aihua Zhang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang 550025, Guizhou, PR China
| | - Qizhan Liu
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Suzhou Institute of Public Health, Gusu School, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China; Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Medicine, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, PR China.
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Yu Y, Liang C, Wang X, Shi Y, Shen L. The potential role of RNA modification in skin diseases, as well as the recent advances in its detection methods and therapeutic agents. Biomed Pharmacother 2023; 167:115524. [PMID: 37722194 DOI: 10.1016/j.biopha.2023.115524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/20/2023] Open
Abstract
RNA modification is considered as an epigenetic modification that plays an indispensable role in biological processes such as gene expression and genome editing without altering nucleotide sequence, but the molecular mechanism of RNA modification has not been discussed systematically in the development of skin diseases. This article mainly presents the whole picture of theoretical achievements on the potential role of RNA modification in dermatology. Furthermore, this article summarizes the latest advances in clinical practice related with RNA modification, including its detection methods and drug development. Based on this comprehensive review, we aim to illustrate the current blind spots and future directions of RNA modification, which may provide new insights for researchers in this field.
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Affiliation(s)
- Yue Yu
- Department of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China; Institute of Psoriasis, School of Medicine, Tongji University, Shanghai, China
| | - Chen Liang
- Department of Dermatology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Xin Wang
- Department of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China; Institute of Psoriasis, School of Medicine, Tongji University, Shanghai, China
| | - Yuling Shi
- Department of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, China; Institute of Psoriasis, School of Medicine, Tongji University, Shanghai, China.
| | - Liangliang Shen
- Department of Dermatology, Tongji Hospital, School of Medicine, Tongji University, Shanghai, China.
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Li W, Tan M, Wang H, Wang Z, Pang Y, Yang R, Zhong S, Pan X, Chen S, Wang Q, Li D, Xiao Y, Chen W, Chen L. METTL3-mediated m6A mRNA modification was involved in cadmium-induced liver injury. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 331:121887. [PMID: 37236586 DOI: 10.1016/j.envpol.2023.121887] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 05/12/2023] [Accepted: 05/23/2023] [Indexed: 05/28/2023]
Abstract
Cadmium is an environmental pollutant that has extensive deleterious effects. However, the mechanisms underlying the hepatotoxicity induced by long-term exposure to cadmium remained undefined. In the present study, we explored the role of m6A methylation in the development of cadmium-induced liver disease. We showed a dynamic change of RNA methylation in liver tissue from mice administrated with cadmium chloride (CdCl2) for 3, 6 and 9 months, respectively. Particularly, the METTL3 expression was declined in a time-dependent manner, associated with the degree of liver injury, indicating the involvement of METTL3 in hepatotoxicity induced by CdCl2. Moreover, we established a mouse model with liver-specific over-expression of Mettl3 and administrated these mice with CdCl2 for 6 months. Notably, METTL3 highly expressed in hepatocytes attenuated CdCl2-induced steatosis and liver fibrosis in mice. In vitro assay also showed METTL3 overexpression ameliorated the CdCl2-induced cytotoxicity and activation of primary hepatic stellate cells. Furthermore, transcriptome analysis identified 268 differentially expressed genes both in mice liver tissue treated with CdCl2 for 3 months and 9 months. Among them, 115 genes were predicted to be regulated by METTL3 determined by m6A2Target database. Further analysis revealed the perturbation of metabolic pathway, glycerophospholipid metabolism, ErbB signaling pathway, Hippo signaling pathway, and choline metabolism in cancer, and circadian rhythm, led to hepatotoxicity induced by CdCl2. Collectively, our findings reveal new insight into the crucial role of epigenetic modifications in hepatic diseases caused by long-term exposure to cadmium.
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Affiliation(s)
- Wenxue Li
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China; Department of Toxicology, Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Mingxue Tan
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Huiqi Wang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Ziwei Wang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Yaqin Pang
- Faculty of Toxicology, School of Public Health, Youjiang Medical College for Nationalities, Guangxi, 533000, China
| | - Rongfang Yang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Shiyuan Zhong
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Xinhong Pan
- Department of Toxicology, Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Shen Chen
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Qing Wang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Daochuan Li
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Yongmei Xiao
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Wen Chen
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Liping Chen
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China.
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Gao P, Yao F, Pang J, Yin K, Zhu X. m 6A methylation in cellular senescence of age-associated diseases. Acta Biochim Biophys Sin (Shanghai) 2023; 55:1168-1183. [PMID: 37394885 PMCID: PMC10449638 DOI: 10.3724/abbs.2023107] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 04/14/2023] [Indexed: 07/04/2023] Open
Abstract
Cellular senescence is a state of irreversible cellular growth arrest that occurs in response to various stresses. In addition to exiting the cell cycle, senescent cells undergo many phenotypic alterations, including metabolic reprogramming, chromatin rearrangement, and senescence-associated secretory phenotype (SASP) development. Furthermore, senescent cells can affect most physiological and pathological processes, such as physiological development; tissue homeostasis; tumour regression; and age-associated disease progression, including diabetes, atherosclerosis, Alzheimer's disease, and hypertension. Although corresponding anti-senescence therapies are actively being explored for the treatment of age-associated diseases, the specific regulatory mechanisms of senescence remain unclear. N 6-methyladenosine (m 6A), a chemical modification commonly distributed in eukaryotic RNA, plays an important role in biological processes such as translation, shearing, and RNA transcription. Numerous studies have shown that m 6A plays an important regulatory role in cellular senescence and aging-related disease. In this review, we systematically summarize the role of m 6A modifications in cellular senescence with regard to oxidative stress, DNA damage, telomere alterations, and SASP development. Additionally, diabetes, atherosclerosis, and Alzheimer's disease regulation via m 6A-mediated cellular senescence is discussed. We further discuss the challenges and prospects of m 6A in cellular senescence and age-associated diseases with the aim of providing rational strategies for the treatment of these age-associated diseases.
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Affiliation(s)
- Pan Gao
- Guangxi Key Laboratory of Diabetic Systems MedicineGuilin Medical UniversityGuilin541100China
| | - Feng Yao
- Guangxi Key Laboratory of Diabetic Systems MedicineGuilin Medical UniversityGuilin541100China
| | - Jin Pang
- Guangxi Key Laboratory of Diabetic Systems MedicineGuilin Medical UniversityGuilin541100China
| | - Kai Yin
- The Fifth Affiliated Hospital of Southern Medical UniversityGuangzhou510900China
| | - Xiao Zhu
- Guangxi Key Laboratory of Diabetic Systems MedicineGuilin Medical UniversityGuilin541100China
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Yang F, Zhang A. Involvement of METTL3 in arsenite-induced skin lesions by targeting the SOCS3/STAT3/Krt signaling pathway. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 316:120634. [PMID: 36368553 DOI: 10.1016/j.envpol.2022.120634] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 10/28/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
Arsenic is a common environmental pollutant, typically affecting the skin most severely. Recent studies have shown that arsenic's toxicity may be linked to N6-methyladenosine (m6A), an abundant and dynamic epigenetic RNA modification. However, it is not completely understood how m6A contributes to arsenite-induced skin lesions. Herein, it is shown that methyltransferase-like 3 (METTL3) plays a crucial role in the involvement of arsenite-induced skin lesions in an m6A-dependent manner. Using bioinformatic analysis and experimental approaches, we demonstrate that arsenite induces METTL3 upregulation, represses suppressors of cytokine signaling 3 (SOCS3) expression in an m6A- YTH m6A RNA binding protein 2 (YTHDF2)-dependent manner, and leads to the aberrant activation of the Janus kinase (JAK)2/signal transducer and activator of transcription 3(STAT3) signaling pathway. We further found that the activated transcription factor STAT3 binds to the promoter regions of Krt1 and Krt10, promoting their transcription, which ultimately leads to arsenite-induced skin lesions. In conclusion, our study reveals the role of m6A in arsenite-induced skin lesions through the activation of the JAK2/STAT3/Krt signaling axis. The findings provide new insight into the potential molecular mechanisms underlying arsenic toxicity regulation through m6A modification.
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Affiliation(s)
- Fan Yang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang, 550025, China
| | - Aihua Zhang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, School of Public Health, Guizhou Medical University, Guiyang, 550025, China.
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Liu C, Wang X, Yang S, Cao S. Research Progress of m 6A RNA Methylation in Skin Diseases. BIOMED RESEARCH INTERNATIONAL 2023; 2023:3091204. [PMID: 37124930 PMCID: PMC10132905 DOI: 10.1155/2023/3091204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 03/04/2023] [Accepted: 03/08/2023] [Indexed: 05/02/2023]
Abstract
N6-Methyladenosine (m6A) is the most common mRNA modification in eukaryotes and is a dynamically reversible posttranscriptional modification. The enzymes involved in m6A modification mainly include methyltransferases (writers), demethylases (erasers), and methylated readers (Readers). m6A modification is mainly catalyzed by m6A methyltransferase and removed by m6A demethylase. The modified RNA can be specifically recognized and bound by m6A recognition protein. This protein complex then mediates RNA splicing, maturation, nucleation, degradation, and translation. m6A also alters gene expression and regulates cellular processes such as self-renewal, differentiation, invasion, and apoptosis. An increasing body of evidence indicates that the m6A methylation modification process is closely related to the occurrence of various skin diseases. In this review, we discuss the role of m6A methylation in skin development and skin diseases including psoriasis, melanoma, and cutaneous squamous cell carcinoma.
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Affiliation(s)
- Chang Liu
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
| | - Xin Wang
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
| | - Shengju Yang
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
| | - Shuanglin Cao
- Department of Dermatology, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
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