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Yang J, Liang F, Zhang F, Zhao H, Gong Q, Gao N. Recent advances in the reciprocal regulation of m 6A modification with non-coding RNAs and its therapeutic application in acute myeloid leukemia. Pharmacol Ther 2024; 259:108671. [PMID: 38830387 DOI: 10.1016/j.pharmthera.2024.108671] [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: 03/08/2024] [Revised: 05/25/2024] [Accepted: 05/31/2024] [Indexed: 06/05/2024]
Abstract
N6-methyladenosine (m6A) is one of the most common modifications of RNA in eukaryotic cells and is involved in mRNA metabolism, including stability, translation, maturation, splicing, and export. m6A also participates in the modification of multiple types of non-coding RNAs, such as microRNAs, long non-coding RNAs, and circular RNAs, thereby affecting their metabolism and functions. Increasing evidence has revealed that m6A regulators, such as writers, erasers, and readers, perform m6A-dependent modification of ncRNAs, thus affecting cancer progression. Moreover, ncRNAs modulate m6A regulators to affect cancer development and progression. In this review, we summarize recent advances in understanding m6A modification and ncRNAs and provide insights into the interaction between m6A modification and ncRNAs in cancer. We also discuss the potential clinical applications of the mechanisms underlying the interplay between m6A modifications and ncRNAs in acute myeloid leukemia (AML). Therefore, clarifying the mutual regulation between m6A modifications and ncRNAs is of great significance to identify novel therapeutic targets for AML and has great clinical application prospects.
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Affiliation(s)
- Jiawang Yang
- Key Laboratory of Basic Pharmacology of Ministry of Education, Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, Guizhou, China; Chinese Phramcological Society-Guizhou Province Joint Laboratory for Pharmacology, Zunyi 563000, Guizhou, China
| | - Feng Liang
- Key Laboratory of Basic Pharmacology of Ministry of Education, Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, Guizhou, China; Chinese Phramcological Society-Guizhou Province Joint Laboratory for Pharmacology, Zunyi 563000, Guizhou, China
| | - Fenglin Zhang
- Key Laboratory of Basic Pharmacology of Ministry of Education, Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, Guizhou, China; Chinese Phramcological Society-Guizhou Province Joint Laboratory for Pharmacology, Zunyi 563000, Guizhou, China
| | - Hailong Zhao
- Department of Pathophysiology, Zunyi Medical University, Zunyi 563000, Guizhou, China.
| | - Qihai Gong
- Key Laboratory of Basic Pharmacology of Ministry of Education, Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, Guizhou, China; Chinese Phramcological Society-Guizhou Province Joint Laboratory for Pharmacology, Zunyi 563000, Guizhou, China.
| | - Ning Gao
- Key Laboratory of Basic Pharmacology of Ministry of Education, Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, Guizhou, China; Chinese Phramcological Society-Guizhou Province Joint Laboratory for Pharmacology, Zunyi 563000, Guizhou, China.
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2
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Wang J, Wang S, Yang H, Wang R, Shi K, Liu Y, Dou L, Yu H. Methyltransferase like-14 suppresses growth and metastasis of non-small-cell lung cancer by decreasing LINC02747. Cancer Sci 2024. [PMID: 38888105 DOI: 10.1111/cas.16254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 05/29/2024] [Accepted: 06/05/2024] [Indexed: 06/20/2024] Open
Abstract
Multiple epigenetic regulatory mechanisms exert critical roles in tumor development, and understanding the interactions and impact of diverse epigenetic modifications on gene expression in cancer is crucial for the development of precision medicine. We found that methyltransferase-like 14 (METTL14) was significantly downregulated in non-small-cell lung cancer (NSCLC) tissues. Functional experiments demonstrated that overexpression of METTL14 inhibited the proliferation and migration of NSCLC cells both in vivo and in vitro, and the colorimetric m6A quantification assay also showed that knockdown of METTL14 notably reduced global m6A modification levels in NSCLC cells. By using the methylated-RNA immunoprecipitation-qPCR and dual-luciferase reporter assays, we verified that long noncoding RNA LINC02747 was a target of METTL14 and was regulated by METTL14-mediated m6A modification, and silencing LINC02747 inhibited the malignant progression of NSCLC by modulating the PI3K/Akt and CDK4/Cyclin D1 signaling pathway. Further studies revealed that overexpression of METTL14 promoted m6A methylation and accelerated the decay of LINC02747 mRNA via increased recognition of the "GAACU" binding site by YTHDC2. Additionally, histone demethylase lysine-specific histone demethylase 5B (KDM5B) mediated the demethylation of histone H3 lysine 4 tri-methylation (H3K4me3) in the METTL14 promoter region and repressed its transcription. In summary, KDM5B downregulated METTL14 expression at the transcriptional level in a H3K4me3-dependent manner, while METTL14 modulated LINC02747 expression via m6A modification. Our results demonstrate a synergy of multiple mechanisms in regulating the malignant phenotype of NSCLC, revealing the complex regulation involved in the occurrence and development of cancer.
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Affiliation(s)
- Jiemin Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia, China
| | - Shu Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia, China
| | - Haopeng Yang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia, China
| | - Ruixuan Wang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia, China
| | - Kesong Shi
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia, China
| | - Yueshi Liu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia, China
| | - Le Dou
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia, China
| | - Haiquan Yu
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia, China
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3
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Zhao X, Lu J, Wu W, Li J. METTL14 inhibits the malignant processes of gastric cancer cells by promoting N6-methyladenosine (m6A) methylation of TAF10. Heliyon 2024; 10:e32014. [PMID: 38882361 PMCID: PMC11176857 DOI: 10.1016/j.heliyon.2024.e32014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 05/26/2024] [Accepted: 05/27/2024] [Indexed: 06/18/2024] Open
Abstract
N6-methyladenosine (m6A) methylation mediates cancer development by regulating cell proliferation and metastasis. This study aimed to identify whether methyltransferase 14 (METTL14) affects gastric cancer (GC) cellular functions and its underlying mechanism. METTL14 and TATA-box binding protein associated factor 10 (TAF10) levels were examined using quantitative real-time PCR, immunohistochemical assay, and Western blot. Biological functions were assessed using cell counting kit-8, colony formation, and transwell assays. The interaction between METTL14 and TAF10 was analyzed using RNA immunoprecipitation, methylated RNA immunoprecipitation, and luciferase reporter assay. A xenograft tumor mouse model was established to assess the role of METTL14 in vivo. The results suggested that METTL14 was low expressed and TAF10 was highly expressed in GC tissues and cells. METTL14 overexpression inhibited GC cell viability, colony, migration, and invasion. TAF10 was predicted and confirmed to be negatively related to METTL14. METTL14 promoted m6A methylation of TAF10 and inhibited TAF10 stability. Moreover, TAF10 counteracted the cellular behaviors regulated by METTL14. Overexpression of METTL14 inhibited tumor growth and histopathology. In conclusion, METTL14 inhibits GC progression by attenuating GC cell proliferation, migration, and invasion. Mechanistically, METTL14 promoted m6A methylation of TAF10, suppressed the stability of TAF10, and thus downregulated the TAF10 levels, These results provide a new insight into GC therapy.
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Affiliation(s)
- Xin Zhao
- Department of General Surgery, The 928th Hospital of the Joint Logistic Support Force of the People's Liberation Army, 100 Longkun South Road, Longhua District, Haikou, 570100, Hainan, China
| | - Jingfen Lu
- Department of Hemato-oncology, The 928th Hospital of the Joint Logistic Support Force of the People's Liberation Army, 100 Longkun South Road, Longhua District, Haikou, 570100, Hainan, China
| | - Weimin Wu
- Department of General Surgery, The 928th Hospital of the Joint Logistic Support Force of the People's Liberation Army, 100 Longkun South Road, Longhua District, Haikou, 570100, Hainan, China
| | - Jiahui Li
- Department of Medical Imaging, The 74th Military Medical Hospital of Chinese People's Liberation Army CN, 468 Xingang Middle Road, Haizhu District, Guangzhou, 510318, Guangdong, China
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4
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Zhu DH, Su KK, Ou-Yang XX, Zhang YH, Yu XP, Li ZH, Ahmadi-Nishaboori SS, Li LJ. Mechanisms and clinical landscape of N6-methyladenosine (m6A) RNA modification in gastrointestinal tract cancers. Mol Cell Biochem 2024:10.1007/s11010-024-05040-x. [PMID: 38856795 DOI: 10.1007/s11010-024-05040-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Accepted: 05/18/2024] [Indexed: 06/11/2024]
Abstract
Epigenetics encompasses reversible and heritable chemical modifications of non-nuclear DNA sequences, including DNA and RNA methylation, histone modifications, non-coding RNA modifications, and chromatin rearrangements. In addition to well-studied DNA and histone methylation, RNA methylation has emerged as a hot topic in biological sciences over the past decade. N6-methyladenosine (m6A) is the most common and abundant modification in eukaryotic mRNA, affecting all RNA stages, including transcription, translation, and degradation. Advances in high-throughput sequencing technologies made it feasible to identify the chemical basis and biological functions of m6A RNA. Dysregulation of m6A levels and associated modifying proteins can both inhibit and promote cancer, highlighting the importance of the tumor microenvironment in diverse biological processes. Gastrointestinal tract cancers, including gastric, colorectal, and pancreatic cancers, are among the most common and deadly malignancies in humans. Growing evidence suggests a close association between m6A levels and the progression of gastrointestinal tumors. Global m6A modification levels are substantially modified in gastrointestinal tumor tissues and cell lines compared to healthy tissues and cells, possibly influencing various biological behaviors such as tumor cell proliferation, invasion, metastasis, and drug resistance. Exploring the diagnostic and therapeutic potential of m6A-related proteins is critical from a clinical standpoint. Developing more specific and effective m6A modulators offers new options for treating these tumors and deeper insights into gastrointestinal tract cancers.
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Affiliation(s)
- Dan-Hua Zhu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Kun-Kai Su
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Xiao-Xi Ou-Yang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Yan-Hong Zhang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Xiao-Peng Yu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Zu-Hong Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | | | - Lan-Juan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.
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5
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Chen XY, Yang YL, Yu Y, Chen ZY, Fan HN, Zhang J, Zhu JS. CircUGGT2 downregulation by METTL14-dependent m 6A modification suppresses gastric cancer progression and cisplatin resistance through interaction with miR-186-3p/MAP3K9 axis. Pharmacol Res 2024; 204:107206. [PMID: 38729588 DOI: 10.1016/j.phrs.2024.107206] [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: 01/07/2024] [Revised: 05/03/2024] [Accepted: 05/05/2024] [Indexed: 05/12/2024]
Abstract
Chemoresistance is a major therapeutic challenge in advanced gastric cancer (GC). N6-methyladenosine (m6A) RNA modification has been shown to play fundamental roles in cancer progression. However, the underlying mechanisms by which m6A modification of circRNAs contributes to GC and chemoresistance remain unknown. We found that hsa_circ_0030632 (circUGGT2) was a predominant m6A target of METTL14, and METTL14 knockdown (KD) reduced circUGGT2 m6A levels but increased its mRNA levels. The expression of circUGGT2 was markedly increased in cisplatin (DDP)-resistant GC cells. CircUGGT2 KD impaired cell growth, metastasis and DDP-resistance in vitro and in vivo, but circUGGT2 overexpression prompted these effects. Furthermore, circUGGT2 was validated to sponge miR-186-3p and upregulate MAP3K9 and could abolish METTL14-caused miR-186-3p upregulation and MAP3K9 downregulation in GC cells. circUGGT2 negatively correlated with miR-186-3p expression and harbored a poor prognosis in patients with GC. Our findings unveil that METTL14-dependent m6A modification of circUGGT2 inhibits GC progression and DDP resistance by regulating miR-186-3p/MAP3K9 axis.
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Affiliation(s)
- Xiao-Yu Chen
- Department of Gastroenterology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China.
| | - Yan-Ling Yang
- Department of Gastroenterology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China.
| | - Yi Yu
- Department of Gastroenterology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China.
| | - Zhao-Yu Chen
- Department of Gastroenterology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China.
| | - Hui-Ning Fan
- Department of Gastroenterology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China.
| | - Jing Zhang
- Department of Gastroenterology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China.
| | - Jin-Shui Zhu
- Department of Gastroenterology, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China.
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6
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Ma T, Zhang Q, Zhang S, Yue D, Wang F, Ren Y, Zhang H, Wang Y, Wu Y, Liu LE, Yu F. Research progress of human key DNA and RNA methylation-related enzymes assay. Talanta 2024; 273:125872. [PMID: 38471421 DOI: 10.1016/j.talanta.2024.125872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 02/18/2024] [Accepted: 03/03/2024] [Indexed: 03/14/2024]
Abstract
Gene methylation-related enzymes (GMREs) are disfunction and aberrantly expressed in a variety of cancers, such as lung, gastric, and pancreatic cancers and have important implications for human health. Therefore,it is critical for early diagnosis and therapy of tumor to develop strategies that allow rapid and sensitive quantitative and qualitative detection of GMREs. With the development of modern analytical techniques and the application of various biosensors, there are numerous methods have been developed for analysis of GMREs. Therefore, this paper provides a systematic review of the strategies for level and activity assay of various GMREs including methyltransferases and demethylase. The detection methods mainly involve immunohistochemistry, colorimetry, fluorescence, chemiluminescence, electrochemistry, etc. Then, this review also addresses the coordinated role of various detection probes, novel nanomaterials, and signal amplification methods. The aim is to highlight potential challenges in the present field, to expand the analytical application of GMREs detection strategies, and to meet the urgent need for future disease diagnosis and intervention.
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Affiliation(s)
- Tiantian Ma
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Qiongwen Zhang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Shuying Zhang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Dan Yue
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Fanting Wang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Yujie Ren
- School of Information Management, Zhengzhou University, Zhengzhou 450001, China
| | - Hengmiao Zhang
- School of Information Management, Zhengzhou University, Zhengzhou 450001, China
| | - Yinuo Wang
- Zhengzhou Foreign Language School, Zhengzhou 450001, China
| | - Yongjun Wu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Li-E Liu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China
| | - Fei Yu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, China.
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7
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Cong Z, Zhao H, Zhang S, You T, Xie Y. LAGE3 promotes angiogenesis on hepatocellular carcinoma by stabilizing VEGFA mRNA. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167196. [PMID: 38653358 DOI: 10.1016/j.bbadis.2024.167196] [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: 01/05/2024] [Revised: 03/22/2024] [Accepted: 04/17/2024] [Indexed: 04/25/2024]
Abstract
RNA modification plays important roles in various physiological and pathological process. LAGE3 is a component of EKC/KEOPS complex, which is probably involved in the formation of a threonylcarbamoyl group on adenosine at position 37 (t(6)A37) in tRNAs, but its exact role in HCC is less studied. Our study reveals that LAGE3 exhibits upregulated expression in HCC compared with normal hepatocellular tissue. High expression of LAGE3 promotes hepatocellular cell proliferation and migration. Further investigations suggest that the increased expression of LAGE3 cloud lead to upregulated VEGFA secretion and angiogenesis in HCC. The mechanistic study reveals LAGE3 is required for the VEGFA mRNA stability. This research may open new avenues for diagnosis and targeted therapy in HCC.
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MESH Headings
- Humans
- Carcinoma, Hepatocellular/genetics
- Carcinoma, Hepatocellular/pathology
- Carcinoma, Hepatocellular/metabolism
- Liver Neoplasms/genetics
- Liver Neoplasms/pathology
- Liver Neoplasms/metabolism
- Vascular Endothelial Growth Factor A/metabolism
- Vascular Endothelial Growth Factor A/genetics
- RNA, Messenger/genetics
- RNA, Messenger/metabolism
- Neovascularization, Pathologic/genetics
- Neovascularization, Pathologic/metabolism
- Neovascularization, Pathologic/pathology
- Cell Proliferation/genetics
- RNA Stability
- Gene Expression Regulation, Neoplastic
- Cell Movement/genetics
- Cell Line, Tumor
- Male
- Female
- Angiogenesis
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Affiliation(s)
- Zhuangzhi Cong
- Department of Hepatobiliary Surgery, Third Affiliated Hospital of Naval Military Medical University, Shanghai, China
| | - Huan Zhao
- Department of General Surgery, Third Affiliated Hospital of Naval Military Medical University, Shanghai, China
| | - Shuyu Zhang
- Department of Hepatobiliary Surgery, Third Affiliated Hospital of Naval Military Medical University, Shanghai, China
| | - Tiangeng You
- Department of Hepatobiliary Surgery, Third Affiliated Hospital of Naval Military Medical University, Shanghai, China.
| | - Yanting Xie
- Department of Hepatobiliary Surgery, Third Affiliated Hospital of Naval Military Medical University, Shanghai, China.
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8
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Li YJ, Qiu YL, Li MR, Shen M, Zhang F, Shao JJ, Xu XF, Zhang ZL, Zheng SZ. New horizons for the role of RNA N6-methyladenosine modification in hepatocellular carcinoma. Acta Pharmacol Sin 2024; 45:1130-1141. [PMID: 38195693 PMCID: PMC11130213 DOI: 10.1038/s41401-023-01214-3] [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: 08/02/2023] [Accepted: 12/11/2023] [Indexed: 01/11/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the most common malignancy, presenting a formidable challenge to the medical community owing to its intricate pathogenic mechanisms. Although current prevention, surveillance, early detection, diagnosis, and treatment have achieved some success in preventing HCC and controlling overall disease mortality, the imperative to explore novel treatment modalities for HCC remains increasingly urgent. Epigenetic modification has emerged as pivotal factors in the etiology of cancer. Among these, RNA N6-methyladenosine (m6A) modification stands out as one of the most prevalent, abundant, and evolutionarily conserved post-transcriptional alterations in eukaryotes. The literature underscores that the dynamic and reversible nature of m6A modifications orchestrates the intricate regulation of gene expression, thereby exerting a profound influence on cell destinies. Increasing evidence has substantiated conspicuous fluctuations in m6A modification levels throughout the progression of HCC. The deliberate modulation of m6A modification levels through molecular biology and pharmacological interventions has been demonstrated to exert a discernible impact on the pathogenesis of HCC. In this review, we elucidate the multifaceted biological functions of m6A modifications in HCC, and concurrently advancing novel therapeutic strategies for the management of this malignancy.
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Affiliation(s)
- Yu-Jia Li
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yang-Ling Qiu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Meng-Ran Li
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Min Shen
- Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, 225009, China
| | - Feng Zhang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jiang-Juan Shao
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xue-Fen Xu
- Department of Pharmacology, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Zi-Li Zhang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Shi-Zhong Zheng
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
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9
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Wu C, Miao C, Zhou S, Chang PA, He B, Zhou X, Tang Q. Epigenetic activation of METTL14 promotes docetaxel resistance in prostate cancer by promoting pri-microRNA-129 maturation. ENVIRONMENTAL TOXICOLOGY 2024; 39:3734-3745. [PMID: 38546343 DOI: 10.1002/tox.24187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 01/05/2024] [Accepted: 02/10/2024] [Indexed: 05/16/2024]
Abstract
The development of resistance to Docetaxel (DTX) compromises its therapeutic efficacy and worsens the prognosis of prostate cancer (PCa), while the underlying regulatory mechanism remains poorly understood. In this study, METTL14 was found to be upregulated in DTX-resistant PCa cells and PCa tissues exhibiting progressive disease during DTX therapy. Furthermore, overexpression of METTL14 promoted the development of resistance to DTX in both in vitro and in vivo. Interestingly, it was observed that the hypermethylation of the E2F1 targeting site within DTX-resistant PCa cells hindered the binding ability of E2F1 to the promoter region of METTL14, thereby augmenting its transcriptional activity. Consequently, this elevated expression level of METTL14 facilitated m6A-dependent processing of pri-miR-129 and subsequently led to an increase in miR-129-5p expression. Our study highlights the crucial role of the E2F1-METTL14-miR-129-5p axis in modulating DTX resistance in PCa, underscoring METTL14 as a promising therapeutic target for DTX-resistant PCa patients.
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Affiliation(s)
- Cheng Wu
- Department of Urology, Dongtai City People's Hospital, Dongtai, Jiangsu, China
- Department of Urology, Dongtai Hospital, the Affiliated Hospital of Jiangsu Vocational College of Medicine, Dongtai, Jiangsu, China
| | - Chunqing Miao
- Public Health Section, Dongtai City People's Hospital, Dongtai, Jiangsu, China
| | - Songlin Zhou
- Department of Urology, Dongtai City People's Hospital, Dongtai, Jiangsu, China
| | - Ping-An Chang
- Department of Urology, Dongtai City People's Hospital, Dongtai, Jiangsu, China
| | - Bin He
- Department of Urology, Dongtai City People's Hospital, Dongtai, Jiangsu, China
| | - Xunrong Zhou
- Department of Urology, Dongtai City People's Hospital, Dongtai, Jiangsu, China
| | - Qingsheng Tang
- Department of Urology, Dongtai City People's Hospital, Dongtai, Jiangsu, China
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10
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Pomaville M, Chennakesavalu M, Wang P, Jiang Z, Sun HL, Ren P, Borchert R, Gupta V, Ye C, Ge R, Zhu Z, Brodnik M, Zhong Y, Moore K, Salwen H, George RE, Krajewska M, Chlenski A, Applebaum MA, He C, Cohn SL. Small-molecule inhibition of the METTL3/METTL14 complex suppresses neuroblastoma tumor growth and promotes differentiation. Cell Rep 2024; 43:114165. [PMID: 38691450 PMCID: PMC11181463 DOI: 10.1016/j.celrep.2024.114165] [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: 08/08/2023] [Revised: 03/10/2024] [Accepted: 04/12/2024] [Indexed: 05/03/2024] Open
Abstract
The N6-methyladenosine (m6A) RNA modification is an important regulator of gene expression. m6A is deposited by a methyltransferase complex that includes methyltransferase-like 3 (METTL3) and methyltransferase-like 14 (METTL14). High levels of METTL3/METTL14 drive the growth of many types of adult cancer, and METTL3/METTL14 inhibitors are emerging as new anticancer agents. However, little is known about the m6A epitranscriptome or the role of the METTL3/METTL14 complex in neuroblastoma, a common pediatric cancer. Here, we show that METTL3 knockdown or pharmacologic inhibition with the small molecule STM2457 leads to reduced neuroblastoma cell proliferation and increased differentiation. These changes in neuroblastoma phenotype are associated with decreased m6A deposition on transcripts involved in nervous system development and neuronal differentiation, with increased stability of target mRNAs. In preclinical studies, STM2457 treatment suppresses the growth of neuroblastoma tumors in vivo. Together, these results support the potential of METTL3/METTL14 complex inhibition as a therapeutic strategy against neuroblastoma.
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Affiliation(s)
- Monica Pomaville
- Department of Pediatrics, University of Chicago Comer Children's Hospital, Chicago, IL 60637, USA
| | | | - Pingluan Wang
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Zhiwei Jiang
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Hui-Lung Sun
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Peizhe Ren
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Ryan Borchert
- Department of Pediatrics, University of Chicago Comer Children's Hospital, Chicago, IL 60637, USA
| | - Varsha Gupta
- Department of Pediatrics, University of Chicago Comer Children's Hospital, Chicago, IL 60637, USA
| | - Chang Ye
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Ruiqi Ge
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Zhongyu Zhu
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Mallory Brodnik
- Department of Pediatrics, University of Chicago Comer Children's Hospital, Chicago, IL 60637, USA
| | - Yuhao Zhong
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Kelley Moore
- Department of Pediatrics, University of Chicago Comer Children's Hospital, Chicago, IL 60637, USA
| | - Helen Salwen
- Department of Pediatrics, University of Chicago Comer Children's Hospital, Chicago, IL 60637, USA
| | - Rani E George
- Department of Pediatric Hematology/Oncology, Dana-Farber Cancer Institute, Boston, MA 02215, USA
| | - Malgorzata Krajewska
- School of Biochemistry and Cell Biology, Biosciences Institute, University College Cork, Cork, Ireland
| | - Alexandre Chlenski
- Department of Pediatrics, University of Chicago Comer Children's Hospital, Chicago, IL 60637, USA
| | - Mark A Applebaum
- Department of Pediatrics, University of Chicago Comer Children's Hospital, Chicago, IL 60637, USA
| | - Chuan He
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA; Howard Hughes Medical Institute, University of Chicago, Chicago, Il 60637 USA
| | - Susan L Cohn
- Department of Pediatrics, University of Chicago Comer Children's Hospital, Chicago, IL 60637, USA.
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11
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Zhang M, Hu T, Ma T, Huang W, Wang Y. Epigenetics and environmental health. Front Med 2024:10.1007/s11684-023-1038-2. [PMID: 38806988 DOI: 10.1007/s11684-023-1038-2] [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: 07/03/2023] [Accepted: 10/15/2023] [Indexed: 05/30/2024]
Abstract
Epigenetic modifications including DNA methylation, histone modifications, chromatin remodeling, and RNA modifications complicate gene regulation and heredity and profoundly impact various physiological and pathological processes. In recent years, accumulating evidence indicates that epigenetics is vulnerable to environmental changes and regulates the growth, development, and diseases of individuals by affecting chromatin activity and regulating gene expression. Environmental exposure or induced epigenetic changes can regulate the state of development and lead to developmental disorders, aging, cardiovascular disease, Alzheimer's disease, cancers, and so on. However, epigenetic modifications are reversible. The use of specific epigenetic inhibitors targeting epigenetic changes in response to environmental exposure is useful in disease therapy. Here, we provide an overview of the role of epigenetics in various diseases. Furthermore, we summarize the mechanism of epigenetic alterations induced by different environmental exposures, the influence of different environmental exposures, and the crosstalk between environmental variation epigenetics, and genes that are implicated in the body's health. However, the interaction of multiple factors and epigenetics in regulating the initiation and progression of various diseases complicates clinical treatments. We discuss some commonly used epigenetic drugs targeting epigenetic modifications and methods to prevent or relieve various diseases regulated by environmental exposure and epigenetics through diet.
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Affiliation(s)
- Min Zhang
- Key Laboratory of Cancer and Microbiome, State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Ting Hu
- Key Laboratory of Cancer and Microbiome, State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Tianyu Ma
- Key Laboratory of Cancer and Microbiome, State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China
| | - Wei Huang
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China.
| | - Yan Wang
- Key Laboratory of Cancer and Microbiome, State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
- Beijing Key Laboratory of Cancer Invasion and Metastasis Research, Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Capital Medical University, Beijing, 100069, China.
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12
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Li S, Mehal WZ, Ouyang X. RNA modifications in the progression of liver diseases: from fatty liver to cancer. SCIENCE CHINA. LIFE SCIENCES 2024:10.1007/s11427-023-2494-x. [PMID: 38809498 DOI: 10.1007/s11427-023-2494-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 11/24/2023] [Indexed: 05/30/2024]
Abstract
Non-alcoholic fatty liver disease (NAFLD) has emerged as a prominent global health concern associated with high risk of metabolic syndrome, and has impacted a substantial segment of the population. The disease spectrum ranges from simple fatty liver to non-alcoholic steatohepatitis (NASH), which can progress to cirrhosis and hepatocellular carcinoma (HCC) and is increasingly becoming a prevalent indication for liver transplantation. The existing therapeutic options for NAFLD, NASH, and HCC are limited, underscoring the urgent need for innovative treatment strategies. Insights into gene expression, particularly RNA modifications such as N6 methyladenosine (m6A), hold promising avenues for interventions. These modifications play integral roles in RNA metabolism and cellular functions, encompassing the entire NAFLD-NASH-HCC progression. This review will encompass recent insights on diverse RNA modifications, including m6A, pseudouridine (ψ), N1-methyladenosine (m1A), and 5-methylcytidine (m5C) across various RNA species. It will uncover their significance in crucial aspects such as steatosis, inflammation, fibrosis, and tumorigenesis. Furthermore, prospective research directions and therapeutic implications will be explored, advancing our comprehensive understanding of the intricate interconnected nature of these pathological conditions.
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Affiliation(s)
- Simiao Li
- Department of Internal Medicine, Section of Digestive Diseases, Yale University School of Medicine, New Haven, CT, 06520, USA
| | - Wajahat Z Mehal
- Department of Internal Medicine, Section of Digestive Diseases, Yale University School of Medicine, New Haven, CT, 06520, USA
| | - Xinshou Ouyang
- Department of Internal Medicine, Section of Digestive Diseases, Yale University School of Medicine, New Haven, CT, 06520, USA.
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13
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Cun Y, Guo W, Ma B, Okuno Y, Wang J. Decoding the specificity of m 6A RNA methylation and its implication in cancer therapy. Mol Ther 2024:S1525-0016(24)00337-X. [PMID: 38796701 DOI: 10.1016/j.ymthe.2024.05.035] [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: 03/19/2024] [Revised: 05/14/2024] [Accepted: 05/23/2024] [Indexed: 05/28/2024] Open
Abstract
N6-methyladenosine (m6A) is the most abundant endogenous modification in eukaryotic RNAs. It plays important roles in various biological processes and diseases, including cancers. More and more studies have revealed that the deposition of m6A is specifically regulated in a context-dependent manner. Here, we review the diverse mechanisms that determine the topology of m6A along RNAs and the cell-type-specific m6A methylomes. The exon junction complex (EJC) as well as histone modifications play important roles in determining the topological distribution of m6A along nascent RNAs, while the transcription factors and RNA-binding proteins, which usually bind specific DNAs and RNAs in a cell-type-specific manner, largely account for the cell-type-specific m6A methylomes. Due to the lack of specificity of m6A writers and readers, there are still challenges to target the core m6A machinery for cancer therapies. Therefore, understanding the mechanisms underlying the specificity of m6A modifications in cancers would be important for future cancer therapies through m6A intervention.
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Affiliation(s)
- Yixian Cun
- Department of Medical Informatics, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China; Key Laboratory for Stem Cells and Tissue Engineering (Sun Yat-Sen University), Ministry of Education, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangdong 510080, China
| | - Wenbing Guo
- Department of Medical Informatics, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China; Key Laboratory for Stem Cells and Tissue Engineering (Sun Yat-Sen University), Ministry of Education, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangdong 510080, China
| | - Biao Ma
- RIKEN Center for Computational Science, 7-1-26 Minatojima-minami-machi, Chuo-ku, Kobe, Hyogo 650-0047, Japan
| | - Yasushi Okuno
- RIKEN Center for Computational Science, 7-1-26 Minatojima-minami-machi, Chuo-ku, Kobe, Hyogo 650-0047, Japan; Graduate School of Medicine, Kyoto University, 53 Shogoin-Kawaharacho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Jinkai Wang
- Department of Medical Informatics, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, China; Key Laboratory for Stem Cells and Tissue Engineering (Sun Yat-Sen University), Ministry of Education, Guangdong 510080, China; Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangdong 510080, China.
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14
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Feng G, Wu Y, Hu Y, Shuai W, Yang X, Li Y, Ouyang L, Wang G. Small molecule inhibitors targeting m 6A regulators. J Hematol Oncol 2024; 17:30. [PMID: 38711100 PMCID: PMC11075261 DOI: 10.1186/s13045-024-01546-5] [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: 02/07/2024] [Accepted: 04/23/2024] [Indexed: 05/08/2024] Open
Abstract
As the most common form of epigenetic regulation by RNA, N6 methyladenosine (m6A) modification is closely involved in physiological processes, such as growth and development, stem cell renewal and differentiation, and DNA damage response. Meanwhile, its aberrant expression in cancer tissues promotes the development of malignant tumors, as well as plays important roles in proliferation, metastasis, drug resistance, immunity and prognosis. This close association between m6A and cancers has garnered substantial attention in recent years. An increasing number of small molecules have emerged as potential agents to target m6A regulators for cancer treatment. These molecules target the epigenetic level, enabling precise intervention in RNA modifications and efficiently disrupting the survival mechanisms of tumor cells, thus paving the way for novel approaches in cancer treatment. However, there is currently a lack of a comprehensive review on small molecules targeting m6A regulators for anti-tumor. Here, we have comprehensively summarized the classification and functions of m6A regulators, elucidating their interactions with the proliferation, metastasis, drug resistance, and immune responses in common cancers. Furthermore, we have provided a comprehensive overview on the development, mode of action, pharmacology and structure-activity relationships of small molecules targeting m6A regulators. Our aim is to offer insights for subsequent drug design and optimization, while also providing an outlook on future prospects for small molecule development targeting m6A.
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Affiliation(s)
- Guotai Feng
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and West China Second Hospital, Sichuan University /West China School of Nursing, Sichuan University, Chengdu, 610041, China
| | - Yongya Wu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and West China Second Hospital, Sichuan University /West China School of Nursing, Sichuan University, Chengdu, 610041, China
| | - Yuan Hu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and West China Second Hospital, Sichuan University /West China School of Nursing, Sichuan University, Chengdu, 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, 610041, China
| | - Wen Shuai
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and West China Second Hospital, Sichuan University /West China School of Nursing, Sichuan University, Chengdu, 610041, China
| | - Xiao Yang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and West China Second Hospital, Sichuan University /West China School of Nursing, Sichuan University, Chengdu, 610041, China
| | - Yong Li
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and West China Second Hospital, Sichuan University /West China School of Nursing, Sichuan University, Chengdu, 610041, China.
| | - Liang Ouyang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and West China Second Hospital, Sichuan University /West China School of Nursing, Sichuan University, Chengdu, 610041, China.
| | - Guan Wang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, and West China Second Hospital, Sichuan University /West China School of Nursing, Sichuan University, Chengdu, 610041, China.
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15
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Chen L, Hu Y, Zhang M, Liu L, Ma J, Xu Z, Zhang J, Gu H, Chen K. METTL14 affects UVB-induced human dermal fibroblasts photoaging via miR-100-3p biogenesis in an m 6A-dependent manner. Aging Cell 2024; 23:e14123. [PMID: 38380598 PMCID: PMC11113260 DOI: 10.1111/acel.14123] [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: 08/13/2023] [Revised: 01/18/2024] [Accepted: 02/04/2024] [Indexed: 02/22/2024] Open
Abstract
Exposure to ultraviolet radiation can lead to skin photoaging, which increases the risk of skin tumors. This study aims to investigate how microRNA m6A modification contributes to skin photoaging. This study found that skin fibroblasts exposed to a single UVB dose of 30 mJ/cm2 exhibited characteristics of photoaging. The m6A level of total RNA decreased in photoaged cells with a down-regulated level of METTL14, and overexpression of METTL14 displayed a photoprotective function. Moreover, miR-100-3p was a downstream target of METTL14. And METTL14 could affect pri-miR-100 processing to mature miR-100-3p in an m6A-dependent manner via DGCR8. Furthermore, miR-100-3p targeted at 3' end untranslated region of ERRFI1 mRNA with an inhibitory effect on translation. Additionally, photoprotective effects of overexpression of METTL14 were reversed by miR-100-3p inhibitor or overexpression of ERRFI1. In UVB-induced photoaging of human skin fibroblasts, METTL14-dependent m6A can regulate miR-100-3p maturation via DGCR8 and affect skin fibroblasts photoaging through miR-100-3p/ERRFI1 axis.
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Affiliation(s)
- Lihao Chen
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical CollegeNanjingChina
| | - Yu Hu
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical CollegeNanjingChina
| | - Min Zhang
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical CollegeNanjingChina
| | - Lihao Liu
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical CollegeNanjingChina
| | - Jing Ma
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical CollegeNanjingChina
| | - Zhuohong Xu
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical CollegeNanjingChina
| | - Jiaan Zhang
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical CollegeNanjingChina
| | - Heng Gu
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical CollegeNanjingChina
| | - Kun Chen
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical CollegeNanjingChina
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16
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Wu L, Zhang Y, Ren J. Targeting non-coding RNAs and N 6-methyladenosine modification in hepatocellular carcinoma. Biochem Pharmacol 2024; 223:116153. [PMID: 38513741 DOI: 10.1016/j.bcp.2024.116153] [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: 02/09/2024] [Revised: 03/08/2024] [Accepted: 03/18/2024] [Indexed: 03/23/2024]
Abstract
Hepatocellular carcinoma (HCC), the most common form of primary liver cancers, accounts for a significant portion of cancer-related death globally. However, the molecular mechanisms driving the onset and progression of HCC are still not fully understood. Emerging evidence has indicated that non-protein-coding regions of genomes could give rise to transcripts, termed non-coding RNA (ncRNA), forming novel functional driving force for aberrant cellular activity. Over the past decades, overwhelming evidence has denoted involvement of a complex array of molecular function of ncRNAs at different stages of HCC tumorigenesis and progression. In this context, several pre-clinical studies have highlighted the potentials of ncRNAs as novel therapeutic modalities in the management of human HCC. Moreover, N6-methyladenosine (m6A) modification, the most prevalent form of internal mRNA modifications in mammalian cells, is essential for the governance of biological processes within cells. Dysregulation of m6A in ncRNAs has been implicated in human carcinogenesis, including HCC. In this review, we will discuss dysregulation of several hallmark ncRNAs (miRNAs, lncRNAs, and circRNAs) in HCC and address the latest advances for their involvement in the onset and progression of HCC. We also focus on dysregulation of m6A modification and various m6A regulators in the etiology of HCC. In the end, we discussed the contemporary preclinical and clinical application of ncRNA-based and m6A-targeted therapies in HCC.
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Affiliation(s)
- Lin Wu
- Department of Cardiology and Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, Shanghai 200032, China; National Clinical Research Center for Interventional Medicine, Shanghai 200032, China
| | - Yingmei Zhang
- Department of Cardiology and Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, Shanghai 200032, China; National Clinical Research Center for Interventional Medicine, Shanghai 200032, China
| | - Jun Ren
- Department of Cardiology and Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital Fudan University, Shanghai 200032, China; National Clinical Research Center for Interventional Medicine, Shanghai 200032, China.
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17
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Pan Y, You B, Zhao X, Zhang S, Li W. CHOP regulated by METTL14-m6A affects cell cycle arrest and regorafenib sensitivity in HCC cells. BMC Cancer 2024; 24:525. [PMID: 38664644 PMCID: PMC11046807 DOI: 10.1186/s12885-024-12275-w] [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: 11/24/2023] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Regorafenib, a multi-targeted kinase inhibitor, has been used in the treatment of Hepatocellular carcinoma (HCC). The purpose of this study is to investigate the mechanism of Regorafenib in HCC. METHODS Regorafenib's impact on the sensitivity of HCC cells was assessed using CCK8. Differential gene expression analysis was performed by conducting mRNA sequencing after treatment with Regorafenib. The m6A methylation status of CHOP and differential expression of m6A methylation-related proteins were assessed by RIP and Western Blot. To explore the molecular mechanisms involved in the therapeutic effects of Regorafenib in HCC and the impact of METTL14 and CHOP on Regorafenib treatment, we employed shRNA/overexpression approaches to transfect METTL14 and CHOP genes, as well as conducted in vivo experiments. RESULTS Treatment with Regorafenib led to a notable decrease in viability and proliferation of SK-Hep-1 and HCC-LM3 cells. The expression level of CHOP was upregulated after Regorafenib intervention, and CHOP underwent m6A methylation. Among the m6A methylation-related proteins, METTL14 exhibited the most significant downregulation. Mechanistic studies revealed that Regorafenib regulated the cell cycle arrest in HCC through METTL14-mediated modulation of CHOP, and the METTL14/CHOP axis affected the sensitivity of HCC to Regorafenib. In vivo, CHOP enhanced the anticancer effect of Regorafenib. CONCLUSION The inhibition of HCC development by Regorafenib is attributed to its modulation of m6A expression of CHOP, mediated by METTL14, and the METTL14/CHOP axis enhances the sensitivity of HCC to Regorafenib. These findings provide insights into the treatment of HCC and the issue of drug resistance to Regorafenib.
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Affiliation(s)
- Yipeng Pan
- Department of Transplantation, The Second Affiliated Hospital of Hainan Medical University, Haikou, 570100, China
| | - Bo You
- Department of Transplantation, The Hainan General Hospital, Haikou, 570100, China
| | - Xue Zhao
- Department of Transplantation, The Second Affiliated Hospital of Hainan Medical University, Haikou, 570100, China
| | - Shanxin Zhang
- Department of Ultrasound Medicine, Zhejiang Provincial People's Hospital, Zhejiang, 311100, China.
| | - Wei Li
- Department of Transplantation, The Second Affiliated Hospital of Hainan Medical University, Haikou, 570100, China.
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18
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Wang YF, Zhang WL, Li ZX, Liu Y, Tan J, Yin HZ, Zhang ZC, Piao XJ, Ruan MH, Dai ZH, Wang SJ, Mu CY, Yuan JH, Sun SH, Liu H, Yang F. METTL14 downregulation drives S100A4 + monocyte-derived macrophages via MyD88/NF-κB pathway to promote MAFLD progression. Signal Transduct Target Ther 2024; 9:91. [PMID: 38627387 PMCID: PMC11021505 DOI: 10.1038/s41392-024-01797-1] [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: 10/07/2023] [Revised: 03/12/2024] [Accepted: 03/13/2024] [Indexed: 04/19/2024] Open
Abstract
Without intervention, a considerable proportion of patients with metabolism-associated fatty liver disease (MAFLD) will progress from simple steatosis to metabolism-associated steatohepatitis (MASH), liver fibrosis, and even hepatocellular carcinoma. However, the molecular mechanisms that control progressive MAFLD have yet to be fully determined. Here, we unraveled that the expression of the N6-methyladenosine (m6A) methyltransferase METTL14 is remarkably downregulated in the livers of both patients and several murine models of MAFLD, whereas hepatocyte-specific depletion of this methyltransferase aggravated lipid accumulation, liver injury, and fibrosis. Conversely, hepatic Mettl14 overexpression alleviated the above pathophysiological changes in mice fed on a high-fat diet (HFD). Notably, in vivo and in vitro mechanistic studies indicated that METTL14 downregulation decreased the level of GLS2 by affecting the translation efficiency mediated by YTHDF1 in an m6A-depedent manner, which might help to form an oxidative stress microenvironment and accordingly recruit Cx3cr1+Ccr2+ monocyte-derived macrophages (Mo-macs). In detail, Cx3cr1+Ccr2+ Mo-macs can be categorized into M1-like macrophages and S100A4-positive macrophages and then further activate hepatic stellate cells (HSCs) to promote liver fibrosis. Further experiments revealed that CX3CR1 can activate the transcription of S100A4 via CX3CR1/MyD88/NF-κB signaling pathway in Cx3cr1+Ccr2+ Mo-macs. Restoration of METTL14 or GLS2, or interfering with this signal transduction pathway such as inhibiting MyD88 could ameliorate liver injuries and fibrosis. Taken together, these findings indicate potential therapies for the treatment of MAFLD progression.
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Affiliation(s)
- Yue-Fan Wang
- The Third Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital Affiliated to Naval Medical University, 200438, Shanghai, China
- The Department of Medical Genetics, Naval Medical University, 200433, Shanghai, China
| | - Wen-Li Zhang
- The Third Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital Affiliated to Naval Medical University, 200438, Shanghai, China
| | - Zhi-Xuan Li
- Translational Medicine Research Center, Medical Innovation Research Division and Fourth Medical Center of the Chinese PLA General Hospital, 100048, Beijing, China
| | - Yue Liu
- The Department of Pharmaceutical Analysis, School of Pharmacy, Naval Medical University, 200433, Shanghai, China
| | - Jian Tan
- The Department of Medical Genetics, Naval Medical University, 200433, Shanghai, China
| | - Hao-Zan Yin
- The Department of Medical Genetics, Naval Medical University, 200433, Shanghai, China
| | - Zhi-Chao Zhang
- The Third Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital Affiliated to Naval Medical University, 200438, Shanghai, China
| | - Xian-Jie Piao
- The Third Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital Affiliated to Naval Medical University, 200438, Shanghai, China
| | - Min-Hao Ruan
- The Third Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital Affiliated to Naval Medical University, 200438, Shanghai, China
| | - Zhi-Hui Dai
- The Department of Medical Genetics, Naval Medical University, 200433, Shanghai, China
| | - Si-Jie Wang
- The Department of Medical Genetics, Naval Medical University, 200433, Shanghai, China
| | - Chen-Yang Mu
- The Department of Medical Genetics, Naval Medical University, 200433, Shanghai, China
| | - Ji-Hang Yuan
- The Department of Medical Genetics, Naval Medical University, 200433, Shanghai, China
| | - Shu-Han Sun
- The Department of Medical Genetics, Naval Medical University, 200433, Shanghai, China
| | - Hui Liu
- The Third Department of Hepatic Surgery, Eastern Hepatobiliary Surgery Hospital Affiliated to Naval Medical University, 200438, Shanghai, China.
| | - Fu Yang
- The Department of Medical Genetics, Naval Medical University, 200433, Shanghai, China.
- Key Laboratory of Biosafety Defense, Ministry of Education, 200433, Shanghai, China.
- Shanghai Key Laboratory of Medical Biodefense, 200433, Shanghai, China.
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19
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Wang Q, Huang Y, Zhu Y, Zhang W, Wang B, Du X, Dai Q, Zhang F, Fang Z. The m6A methyltransferase METTL5 promotes neutrophil extracellular trap network release to regulate hepatocellular carcinoma progression. Cancer Med 2024; 13:e7165. [PMID: 38613157 PMCID: PMC11015054 DOI: 10.1002/cam4.7165] [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: 01/10/2024] [Revised: 03/07/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND Hepatocellular carcinoma (HCC) is one of the most common malignant tumors worldwide, it has a poor prognosis due to its highly invasive and metastatic nature. Consequently, identifying effective prognostic markers and potential therapeutic targets has been extensively investigated. METTL5, an 18S rRNA methyltransferase, is abnormally high in HCC. But its biological function and prognostic significance in HCC remain largely unelucidated. This study aimed to investigate the role of METTL5 in HCC progression, and elucidate its possible molecular mechanisms in HCC via transcriptome sequencing, providing new insights for identifying new HCC prognostic markers and therapeutic targets. METHODS The METTL5 expression in HCC and paracancerous tissues was analyzed using HCC immunohistochemical microarrays and bioinformatic retrieval methods to correlate METTL5 with clinicopathological features and survival prognosis. We constructed a METTL5 knockdown hepatocellular carcinoma cell line model and an animal model to determine the effect of METTL5 on hepatocellular carcinoma progression. Subsequently, RNA sequencing was performed to analyze the molecular mechanism of METTL5 in HCC based on the sequencing results, and relevant experiments were performed to verify it. RESULTS We found that METTL5 expression was elevated in hepatocellular carcinoma tissues and correlated with poor patient prognosis, and in the analysis of clinicopathological features showed a correlation with TNM staging. In hepatocellular carcinoma cell lines with knockdown of METTL5, the malignant biological behavior was significantly reduced both in vitro and in vivo. Based on the sequencing results as well as the results of GO functional enrichment analysis and KEGG pathway enrichment analysis, we found that METTL5 could promote the generation and release of neutrophil extracellular capture network (NETs) and might further accelerate the progression of HCC. CONCLUSION The m6A methyltransferase METTL5 is overexpressed in hepatocellular carcinoma (HCC) and correlates with poor prognosis. METTL5 accelerates malignant progression of HCC by promoting generation and release of the neutrophil extracellular traps (NETs) network, providing new insights for clinical biomarkers and immunotherapeutic targets in HCC prognosis.
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Affiliation(s)
- Qi Wang
- Department of Hepatobiliary Surgery, Taizhou Hospital of Zhejiang ProvinceWenzhou Medical UniversityLinhaiZhejiangChina
| | - Yuxi Huang
- Department of Hepatobiliary Surgery, Taizhou Hospital of Zhejiang ProvinceWenzhou Medical UniversityLinhaiZhejiangChina
| | - Yu Zhu
- Department of Hepatobiliary Surgery, Taizhou Hospital of Zhejiang ProvinceLinhaiZhejiangChina
| | - Wenlong Zhang
- Department of Hepatobiliary Surgery, Taizhou Hospital of Zhejiang ProvinceLinhaiZhejiangChina
| | - Binfeng Wang
- Department of Hepatobiliary Surgery, Taizhou Hospital of Zhejiang ProvinceLinhaiZhejiangChina
| | - Xuefeng Du
- Department of Hepatobiliary Surgery, Taizhou Hospital of Zhejiang ProvinceLinhaiZhejiangChina
| | - Qiqiang Dai
- Department of Hepatobiliary Surgery, Taizhou Hospital of Zhejiang ProvinceLinhaiZhejiangChina
| | - Fabiao Zhang
- Department of Hepatobiliary Surgery, Taizhou Hospital of Zhejiang ProvinceLinhaiZhejiangChina
| | - Zheping Fang
- Department of Hepatobiliary Surgery, Taizhou Hospital of Zhejiang ProvinceWenzhou Medical UniversityLinhaiZhejiangChina
- Department of Hepatobiliary Surgery, Taizhou Hospital of Zhejiang ProvinceLinhaiZhejiangChina
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20
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Lin S, Kuang M. RNA modification-mediated mRNA translation regulation in liver cancer: mechanisms and clinical perspectives. Nat Rev Gastroenterol Hepatol 2024; 21:267-281. [PMID: 38243019 DOI: 10.1038/s41575-023-00884-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/27/2023] [Indexed: 01/21/2024]
Abstract
Malignant liver cancer is characterized by rapid tumour progression and a high mortality rate, whereas the molecular mechanisms underlying liver cancer initiation and progression are still poorly understood. The dynamic and reversible RNA modifications have crucial functions in gene expression regulation by modulating RNA processing and mRNA translation. Emerging evidence has revealed that alterations in RNA modifications facilitate the selective translation of oncogenic transcripts and promote the diverse tumorigenic processes of liver cancer. In this Review, we first highlight the current progress on the functions and mechanisms underlying RNA modifications in the regulation of mRNA translation and then summarize the exciting discoveries on aberrant RNA modification-mediated mRNA translation in the regulation of tumour initiation, metastasis, metabolism, tumour microenvironment, and drug and radiotherapy resistance in liver cancer. Finally, we discuss the diagnostic and therapeutic potentials of targeting RNA modifications and mRNA translation for the clinical management of liver cancer.
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Affiliation(s)
- Shuibin Lin
- Center for Translational Medicine, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China.
- State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou, China.
| | - Ming Kuang
- Department of Liver Surgery, Center of Hepato-Pancreato-Biliary Surgery, Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong Province, China.
- Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong Province, China.
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21
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Ma H, Hong Y, Xu Z, Weng Z, Yang Y, Jin D, Chen Z, Yue J, Zhou X, Xu Z, Fei F, Li J, Song W. N 6-methyladenosine (m 6A) modification in hepatocellular carcinoma. Biomed Pharmacother 2024; 173:116365. [PMID: 38452654 DOI: 10.1016/j.biopha.2024.116365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/21/2024] [Accepted: 02/28/2024] [Indexed: 03/09/2024] Open
Abstract
Hepatocellular carcinoma (HCC) is one of the deadliest cancers of human, the tumor-related death of which ranks third among the common malignances. N6-methyladenosine (m6A) methylation, the most abundant internal modification of RNA in mammals, participates in the metabolism of mRNA and interrelates with ncRNAs. In this paper, we overviewed the complex function of m6A regulators in HCC, including regulating the tumorigenesis, progression, prognosis, stemness, metabolic reprogramming, autophagy, ferroptosis, drug resistance and tumor immune microenvironment (TIME). Furthermore, we elucidated the interplay between m6A modification and non-coding RNAs (ncRNAs), including microRNAs (miRNAs), long non-coding RNAs (lncRNAs) and circular RNAs (circRNAs). Finally, we summarized the potential of m6A regulators as diagnostic biomarkers. What's more, we reviewed the inhibitors targeting m6A enzymes as promising therapeutic targets of HCC. We aimed to help understand the function of m6A methylation in HCC systematically and comprehensively so that more effective strategies for HCC treatment will be developed.
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Affiliation(s)
- Hehua Ma
- Phase I Clinical Trials Unit, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China
| | - Yuxin Hong
- Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Zhenzhen Xu
- Phase I Clinical Trials Unit, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China
| | - Zuyi Weng
- Phase I Clinical Trials Unit, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China
| | - Yuanxun Yang
- Phase I Clinical Trials Unit, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China
| | - Dandan Jin
- Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Zhiyou Chen
- Nanjing Drum Tower Hospital Clinical College of Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Jing Yue
- Department of Gynaecology and Obstetrics, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China
| | - Xuan Zhou
- Phase I Clinical Trials Unit, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China
| | - Zhi Xu
- Phase I Clinical Trials Unit, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China
| | - Fei Fei
- Phase I Clinical Trials Unit, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China
| | - Juan Li
- Phase I Clinical Trials Unit, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China.
| | - Wei Song
- Phase I Clinical Trials Unit, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing 210008, China.
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Yin Q, Qu Z, Mathew R, Zeng L, Du Z, Xue Y, Liu D, Zheng X. Epitranscriptomic orchestrations: Unveiling the regulatory paradigm of m6A, A-to-I editing, and m5C in breast cancer via long noncoding RNAs and microRNAs. Cell Biochem Funct 2024; 42:e3996. [PMID: 38561942 DOI: 10.1002/cbf.3996] [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: 01/31/2024] [Revised: 03/09/2024] [Accepted: 03/18/2024] [Indexed: 04/04/2024]
Abstract
Breast cancer (BC) poses a persistent global health challenge, particularly in countries with elevated human development indices linked to factors such as increased life expectancy, education, and wealth. Despite therapeutic progress, challenges persist, and the role of epitranscriptomic RNA modifications in BC remains inadequately understood. The epitranscriptome, comprising diverse posttranscriptional modifications on RNA molecules, holds the potential to intricately modulate RNA function and regulation, implicating dysregulation in various diseases, including BC. Noncoding RNAs (ncRNAs), acting as posttranscriptional regulators, influence physiological and pathological processes, including cancer. RNA modifications in long noncoding RNAs (lncRNAs) and microRNAs (miRNAs) add an extra layer to gene expression control. This review delves into recent insights into epitranscriptomic RNA modifications, such as N-6-methyladenosine (m6A), adenine-to-inosine (A-to-I) editing, and 5-methylcytosine (m5C), specifically in the context of lncRNA and miRNAs in BC, highlighting their potential implications in BC development and progression. Understanding this intricate regulatory landscape is vital for deciphering the molecular mechanisms underlying BC and identifying potential therapeutic targets.
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Affiliation(s)
- Qinan Yin
- Precision Medicine Laboratory, School of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, China
- Henan Engineering Research Center of Digital Pathology and Artificial Intelligence Diagnosis, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, China
| | - Zhifeng Qu
- Henan Engineering Research Center of Digital Pathology and Artificial Intelligence Diagnosis, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, China
| | - Regina Mathew
- Department of Chemistry and Biochemistry, California State University, Los Angeles, California, USA
| | - Li Zeng
- Precision Medicine Laboratory, School of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, China
- Henan Engineering Research Center of Digital Pathology and Artificial Intelligence Diagnosis, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, China
| | - Zhe Du
- Precision Medicine Laboratory, School of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, China
- Henan Engineering Research Center of Digital Pathology and Artificial Intelligence Diagnosis, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, China
| | - Yun Xue
- Precision Medicine Laboratory, School of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, China
- Henan Engineering Research Center of Digital Pathology and Artificial Intelligence Diagnosis, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, China
| | - Dechun Liu
- Henan Engineering Research Center of Digital Pathology and Artificial Intelligence Diagnosis, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, China
| | - Xuewei Zheng
- Precision Medicine Laboratory, School of Medical Technology and Engineering, Henan University of Science and Technology, Luoyang, China
- Henan Engineering Research Center of Digital Pathology and Artificial Intelligence Diagnosis, The First Affiliated Hospital of Henan University of Science and Technology, Luoyang, China
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Li J, Wang Z, Tan H, Tang M. ALKBH5-mediated m6A demethylation of pri-miR-199a-5p exacerbates myocardial ischemia/reperfusion injury by regulating TRAF3-mediated pyroptosis. J Biochem Mol Toxicol 2024; 38:e23710. [PMID: 38605440 DOI: 10.1002/jbt.23710] [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: 12/28/2023] [Revised: 02/22/2024] [Accepted: 03/29/2024] [Indexed: 04/13/2024]
Abstract
Myocardial ischemia‒reperfusion injury (MI/RI) is closely related to pyroptosis. alkB homolog 5 (ALKBH5) is abnormally expressed in the MI/RI models. However, the detailed molecular mechanism of ALKBH5 in MI/RI has not been elucidated. In this study, rats and H9C2 cells served as experimental subjects and received MI/R induction and H/R induction, respectively. The abundance of the targeted molecules was evaluated using RT-qPCR, Western blotting, immunohistochemistry, immunofluorescence, and enzyme-linked immunosorbent assay. The heart functions of the rats were evaluated using echocardiography, and heart injury was evaluated. Cell viability and pyroptosis were determined using cell counting Kit-8 and flow cytometry, respectively. Total m6A modification was measured using a commercial kit, and pri-miR-199a-5p m6A modification was detected by Me-RNA immunoprecipitation (RIP) assay. The interactions among the molecules were validated using RIP and luciferase experiments. ALKBH5 was abnormally highly expressed in H/R-induced H9C2 cells and MI/RI rats. ALKBH5 silencing improved injury and inhibited pyroptosis. ALKBH5 reduced pri-miR-199a-5p m6A methylation to block miR-199a-5p maturation and inhibit its expression. TNF receptor-associated Factor 3 (TRAF3) is a downstream gene of miR-199a-5p. Furthermore, in H/R-induced H9C2 cells, the miR-199a-5p inhibitor-mediated promotion of pyroptosis was reversed by ALKBH5 silencing, and the TRAF3 overexpression-mediated promotion of pyroptosis was offset by miR-199a-5p upregulation. ALKBH5 silencing inhibited pri-miR-199a-5p expression and enhanced pri-miR-199a-5p m6A modification to promote miR-199a-5p maturation and enhance its expression, thereby suppressing pyroptosis to alleviate MI/RI through decreasing TRAF3 expression.
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Affiliation(s)
- Jiarong Li
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha City, Hunan Province, P.R. China
| | - Zhirong Wang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha City, Hunan Province, P.R. China
| | - Huayi Tan
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha City, Hunan Province, P.R. China
| | - Mi Tang
- Department of Cardiovascular Surgery, The Second Xiangya Hospital, Central South University, Changsha City, Hunan Province, P.R. China
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24
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Wei R, Zhao F, Kong L, Pu Y, Li Y, Zang C. The antagonistic effect of FTO on METTL14 promotes AKT3 m 6A demethylation and the progression of esophageal cancer. J Cancer Res Clin Oncol 2024; 150:131. [PMID: 38491196 PMCID: PMC10943165 DOI: 10.1007/s00432-024-05660-2] [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: 11/13/2023] [Accepted: 02/20/2024] [Indexed: 03/18/2024]
Abstract
BACKGROUND As the most abundant modification in eukaryotic messenger RNAs (mRNAs), N6-methyladenosine (m6A) plays vital roles in many biological processes. METHODS Methylated RNA immunoprecipitation sequencing (MeRIP-seq) and transcriptomic RNA sequencing (RNA-seq) were used to screen for m6A targets in esophageal cancer cells and patients. The role of m6A RNA methylase in esophageal cancer was also analyzed using bioinformatics. In vitro and in vivo experiments were used to analyze gene expression and function. CCK-8, colony formation, cell apoptosis and immunofluorescence staining assays were performed to evaluate the proliferation, migration and invasion of esophageal cancer cells, respectively. Western blot analysis, RNA stability, RIP and luciferase reporter assays were performed to elucidate the underlying mechanism involved. RESULTS We found that the m6A demethylase FTO was significantly upregulated in esophageal cancer cell lines and patient tissues. In vivo and in vitro assays demonstrated that FTO was involved in the proliferation and apoptosis of esophageal cancer cells. Moreover, we found that the m6A methyltransferase METTL14 negatively regulates FTO function in esophageal cancer progression. FTO alone is not related to the prognosis of esophageal cancer, and its function is antagonized by METTL14. By using transcriptome-wide m6A-seq and RNA-seq assays, we revealed that AKT3 is a downstream target of FTO and acts in concert to regulate the tumorigenesis and metastasis of esophageal cancer. Taken together, these findings provide insight into m6A-mediated tumorigenesis in esophageal cancer and could lead to the design of new therapeutic strategies.
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Affiliation(s)
- Ran Wei
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230001, Anhui, People's Republic of China
| | - Fangfang Zhao
- Department of Cancer Epigenetics Program, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui Provincial Cancer Hospital, Hefei, 230031, Anhui, People's Republic of China
| | - Lingsuo Kong
- Department of Anesthesiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui Provincial Cancer Hospital, Hefei, 230001, Anhui, People's Republic of China
| | - Youguang Pu
- Department of Cancer Epigenetics Program, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui Provincial Cancer Hospital, Hefei, 230031, Anhui, People's Republic of China
| | - Yuanhai Li
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, 230001, Anhui, People's Republic of China.
| | - Chunbao Zang
- Department of Radiation Oncology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui Provincial Cancer Hospital, Hefei, 230031, Anhui, People's Republic of China.
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25
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Hashemi M, Daneii P, Zandieh MA, Raesi R, Zahmatkesh N, Bayat M, Abuelrub A, Khazaei Koohpar Z, Aref AR, Zarrabi A, Rashidi M, Salimimoghadam S, Entezari M, Taheriazam A, Khorrami R. Non-coding RNA-Mediated N6-Methyladenosine (m 6A) deposition: A pivotal regulator of cancer, impacting key signaling pathways in carcinogenesis and therapy response. Noncoding RNA Res 2024; 9:84-104. [PMID: 38075202 PMCID: PMC10700483 DOI: 10.1016/j.ncrna.2023.11.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/23/2023] [Accepted: 11/08/2023] [Indexed: 06/20/2024] Open
Abstract
The emergence of RNA modifications has recently been considered as critical post-transcriptional regulations which governed gene expression. N6-methyladenosine (m6A) modification is the most abundant type of RNA modification which is mediated by three distinct classes of proteins called m6A writers, readers, and erasers. Accumulating evidence has been made in understanding the role of m6A modification of non-coding RNAs (ncRNAs) in cancer. Importantly, aberrant expression of ncRNAs and m6A regulators has been elucidated in various cancers. As the key role of ncRNAs in regulation of cancer hallmarks is well accepted now, it could be accepted that m6A modification of ncRNAs could affect cancer progression. The present review intended to discuss the latest knowledge and importance of m6A epigenetic regulation of ncRNAs including mircoRNAs, long non-coding RNAs, and circular RNAs, and their interaction in the context of cancer. Moreover, the current insight into the underlying mechanisms of therapy resistance and also immune response and escape mediated by m6A regulators and ncRNAs are discussed.
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Affiliation(s)
- Mehrdad Hashemi
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Pouria Daneii
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Mohammad Arad Zandieh
- Department of Food Hygiene and Quality Control, Division of Epidemiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Rasoul Raesi
- Department of Health Services Management, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Medical-Surgical Nursing, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Neda Zahmatkesh
- Department of Genetics, Zanjan Branch, Islamic Azad University, Zanjan, Iran
| | - Mehrsa Bayat
- Department of Health Sciences, Bahcesehir University, Istanbul, Turkey
| | - Anwar Abuelrub
- Neuroscience Laboratory, Health Sciences Institute, Bahcesehir University, Istanbul, Turkey
| | - Zeinab Khazaei Koohpar
- Department of Cell and Molecular Biology, Faculty of Biological Sciences, Tonekabon Branch, Islamic Azad University, Tonekabon, Iran
| | - Amir Reza Aref
- Belfer Center for Applied Cancer Science, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Ali Zarrabi
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Istanbul, 34396, Turkey
| | - Mohsen Rashidi
- Department Pharmacology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
- The Health of Plant and Livestock Products Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Shokooh Salimimoghadam
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Maliheh Entezari
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Department of Genetics, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Afshin Taheriazam
- Farhikhtegan Medical Convergence Sciences Research Center, Farhikhtegan Hospital Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
- Department of Orthopedics, Faculty of Medicine, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Ramin Khorrami
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
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Li H, Jiang Y, Chen J, Li Z, Zhang R, Wei Y, Zhao Y, Shen S, Chen F. Systematic characterization of m6A proteomics across 12 cancer types: a multi-omics integration study. Mol Omics 2024; 20:103-114. [PMID: 37942799 DOI: 10.1039/d3mo00171g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
The modification patterns of N6-methyladenosine (m6A) regulators and interacting genes are deeply involved in tumors. However, the effect of m6A modification patterns on human proteomics remains largely unknown. We evaluated the molecular characteristics and clinical relevance of m6A modification proteomics patterns among 1013 pan-cancer samples from the Clinical Proteomic Tumor Analysis Consortium (CPTAC). More than half of the m6A proteins were expressed at higher levels in tumor tissues and presented oncogenic characteristics. Furthermore, we performed multi-omics analyses integrating with transcriptomics data of m6A regulators and interactive coding and non-coding RNAs and developed a m6A multi-omics signature to identify potential m6A modification target proteins across global proteomics. It was significantly associated with overall survival in nine cancer types, tumor mutation burden (P = 0.01), and immune checkpoints including PD-L1 (P = 4.9 × 10-8) and PD-1 (P < 0.01). We identified 51 novel proteins associated with the multi-omics signature (PFDR < 0.05). These proteins were functional through pathway enrichment analyses. The protein with the highest hit frequency was CHORDC1, which was significantly up-regulated in tumor tissues in nine cancer types. Its higher abundance was significantly associated with a poorer prognosis in seven cancer types. The identified m6A target proteins might provide infomation for the study of molecular mechanism of cancer.
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Affiliation(s)
- Hongru Li
- Department of Biostatistics, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Yunke Jiang
- Department of Biostatistics, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Jiajin Chen
- Department of Biostatistics, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, 211166, Nanjing, China
| | - Zaiming Li
- Department of Biostatistics, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
| | - Ruyang Zhang
- Department of Biostatistics, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- China International Cooperation Center of Environment and Human Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Yongyue Wei
- Department of Biostatistics, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- China International Cooperation Center of Environment and Human Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Yang Zhao
- Department of Biostatistics, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Key Laboratory of Biomedical Big Data of Nanjing Medical University, Nanjing 211166, China
| | - Sipeng Shen
- Department of Biostatistics, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, 211166, Nanjing, China
- China International Cooperation Center of Environment and Human Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China
| | - Feng Chen
- Department of Biostatistics, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing 211166, China.
- Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, Nanjing Medical University, 211166, Nanjing, China
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Li Y, Guo M, Qiu Y, Li M, Wu Y, Shen M, Wang Y, Zhang F, Shao J, Xu X, Zhang Z, Zheng S. Autophagy activation is required for N6-methyladenosine modification to regulate ferroptosis in hepatocellular carcinoma. Redox Biol 2024; 69:102971. [PMID: 38056309 PMCID: PMC10749285 DOI: 10.1016/j.redox.2023.102971] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 11/18/2023] [Accepted: 11/19/2023] [Indexed: 12/08/2023] Open
Abstract
BACKGROUND & AIMS Although ferroptosis holds promise as a new strategy for treating hepatocellular carcinoma (HCC), there are several obstacles that need to be overcome. One major challenge is the lack of understanding about the mechanisms underlying ferroptosis. Additionally, while the m6A modification has been shown to regulate various forms of cell death, its role in regulating ferroptosis in HCC has been largely overlooked. Bridging this knowledge gap, our study aimed to elucidate the regulatory influence of m6A modification on HCC ferroptosis. MATERIALS Dot blot and EpiQuik m6A RNA Methylation Quantitative kit detected changes in overall m6A modification level during ferroptosis in HCC. MeRIP-qPCR and RIP-qPCR identified that the m6A modification of ATG5 mRNA was significant changed. BALB/c nude mice were used to construct xenograft tumor models to verify the phenotypes upon YTHDC2 silencing. In addition, patient-derived organoid models were used to demonstrate that induction of ferroptosis was an effective strategy against HCC. RESULTS Our study has shown that inducing ferroptosis is a promising strategy for combatting HCC. Specifically, we have found a significant correlation between ferroptosis and high levels of m6A modification in HCC. Notably, we discovered that the elevation of ATG5 mRNA m6A modification mediated by WTAP is dependent on the reading protein YTHDC2. Importantly, inhibition of either WTAP or YTHDC2 effectively prevented ferroptosis and suppressed HCC development in both in vitro and in vivo models. CONCLUSION Our study revealed that WTAP upregulates ATG5 expression post-transcriptionally in an m6A-YTHDC2-dependent manner, thereby promoting the translation of ATG5 mRNA during ferroptosis in HCC. These findings have significant implications for the development of innovative and effective therapeutic approaches for HCC treatment.
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Affiliation(s)
- Yujia Li
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Mei Guo
- School of Nursing, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yangling Qiu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Mengran Li
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yang Wu
- Pancreas Center, the First Affiliated Hospital of Nanjing Medical University, Nanjing, 210023, China
| | - Min Shen
- Department of Biochemistry and Molecular Biology, Medical College, Yangzhou University, Yangzhou, 225009, China
| | - Yingqian Wang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Feng Zhang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jiangjuan Shao
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Xuefen Xu
- Department of Pharmacology, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine.
| | - Zili Zhang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Shizhong Zheng
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
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Zhou X, Chai K, Zhu H, Luo C, Zou X, Zou J, Zhang G. The role of the methyltransferase METTL3 in prostate cancer: a potential therapeutic target. BMC Cancer 2024; 24:8. [PMID: 38166703 PMCID: PMC10762986 DOI: 10.1186/s12885-023-11741-1] [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: 08/07/2023] [Accepted: 12/11/2023] [Indexed: 01/05/2024] Open
Abstract
The incidence of prostate cancer (PCa), the most prevalent malignancy, is currently at the forefront. RNA modification is a subfield of the booming field of epigenetics. To date, more than 170 types of RNA modifications have been described, and N6-methyladenosine (m6A) is the most abundant and well-characterized internal modification of mRNAs involved in various aspects of cancer progression. METTL3, the first identified key methyltransferase, regulates human mRNA and non-coding RNA expression in an m6A-dependent manner. This review elucidates the biological function and role of METTL3 in PCa and discusses the implications of METTL3 as a potential therapeutic target for future research directions and clinical applications.
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Affiliation(s)
- Xuming Zhou
- First Clinical College, Gannan Medical University, Ganzhou, 341000, China
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - Keqiang Chai
- Department of Urology, Third Affiliated Hospital of Gansu University of Chinese Medicine, Baiyin, 730900, China
| | - Hezhen Zhu
- First Clinical College, Gannan Medical University, Ganzhou, 341000, China
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - Cong Luo
- First Clinical College, Gannan Medical University, Ganzhou, 341000, China
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - Xiaofeng Zou
- Department of Urology, Third Affiliated Hospital of Gansu University of Chinese Medicine, Baiyin, 730900, China
- Institute of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
- Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, 341000, China
| | - Junrong Zou
- Department of Urology, Third Affiliated Hospital of Gansu University of Chinese Medicine, Baiyin, 730900, China
- Institute of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
- Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, 341000, China
| | - Guoxi Zhang
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China.
- Institute of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China.
- Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, 341000, China.
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Zhang Y, Ling Y, Zhou Y, Shi X, Shen F, Zhou J, Chen Y, Yang F, Gu Y, Wang J. Research Advances in the Roles of N6-Methyladenosine Modification in Ovarian Cancer. Cancer Control 2024; 31:10732748241256819. [PMID: 38755968 PMCID: PMC11102699 DOI: 10.1177/10732748241256819] [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: 01/07/2024] [Revised: 05/02/2024] [Accepted: 05/07/2024] [Indexed: 05/18/2024] Open
Abstract
Ovarian cancer (OC) is the most lethal gynecological tumor, characterized by its insidious and frequently recurring metastatic progression. Owing to limited early screening methods, over 70% of OC cases are diagnosed at advanced stages, typically stage III or IV. Recently, N6-methyladenosine (m6A) modification has emerged as a hotspot of epigenetic research, representing a significant endogenous RNA modification in higher eukaryotes. Numerous studies have reported that m6A-related regulatory factors play pivotal roles in tumor development through diverse mechanisms. Moreover, recent studies have indicated the aberrant expression of multiple regulatory factors in OC. Therefore, this paper comprehensively reviews research advancements concerning m6A in OC, aiming to elucidate the regulatory mechanism of m6A-associated regulators on pivotal aspects, such as proliferation, invasion, metastasis, and drug resistance, in OC. Furthermore, it discusses the potential of m6A-associated regulators as early diagnostic markers and therapeutic targets, thus contributing to the diagnosis and treatment of OC.
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Affiliation(s)
- Yuhong Zhang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Clinical Research Center of Obstetrics and Gynecology, Jiangsu Key Laboratory of Clinical Immunology of Soochow University, Suzhou, China
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Yufeng Ling
- Affiliated Hospital of Medical School, Nanjing University, Nanjing Stomatological Hospital, Nanjing, China
| | - Ying Zhou
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, China
- Clinical Research Center of Obstetrics and Gynecology, Jiangsu Key Laboratory of Clinical Immunology of Soochow University, Suzhou, China
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Xiu Shi
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Fangrong Shen
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Jinhua Zhou
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Youguo Chen
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Fan Yang
- Department of Gynecology and Obstetrics, West China Second Hospital, University of Sichuan, Chengdu, China
- Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, West China Second Hospital, University of Sichuan, Chengdu, China
| | - Yanzheng Gu
- Jiangsu Institute of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Juan Wang
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, China
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Zhang Z, Zhou K, Han L, Small A, Xue J, Huang H, Weng H, Su R, Tan B, Shen C, Li W, Zhao Z, Qing Y, Qin X, Wang K, Leung K, Boldin M, Chen CW, Ann D, Qian Z, Deng X, Chen J, Chen Z. RNA m 6A reader YTHDF2 facilitates precursor miR-126 maturation to promote acute myeloid leukemia progression. Genes Dis 2024; 11:382-396. [PMID: 37588203 PMCID: PMC10425806 DOI: 10.1016/j.gendis.2023.01.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/16/2023] [Accepted: 01/25/2023] [Indexed: 03/30/2023] Open
Abstract
As the most common internal modification of mRNA, N6-methyladenosine (m6A) and its regulators modulate gene expression and play critical roles in various biological and pathological processes including tumorigenesis. It was reported previously that m6A methyltransferase (writer), methyltransferase-like 3 (METTL3) adds m6A in primary microRNAs (pri-miRNAs) and facilitates its processing into precursor miRNAs (pre-miRNAs). However, it is unknown whether m6A modification also plays a role in the maturation process of pre-miRNAs and (if so) whether such a function contributes to tumorigenesis. Here, we found that YTHDF2 is aberrantly overexpressed in acute myeloid leukemia (AML) patients, especially in relapsed patients, and plays an oncogenic role in AML. Moreover, YTHDF2 promotes expression of miR-126-3p (also known as miR-126, as it is the main product of precursor miR-126 (pre-miR-126)), a miRNA that was reported as an oncomiRNA in AML, through facilitating the processing of pre-miR-126 into mature miR-126. Mechanistically, YTHDF2 recognizes m6A modification in pre-miR-126 and recruits AGO2, a regulator of pre-miRNA processing, to promote the maturation of pre-miR-126. YTHDF2 positively and negatively correlates with miR-126 and miR-126's downstream target genes, respectively, in AML patients, and forced expression of miR-126 could largely rescue YTHDF2/Ythdf2 depletion-mediated suppression on AML cell growth/proliferation and leukemogenesis, indicating that miR-126 is a functionally important target of YTHDF2 in AML. Overall, our studies not only reveal a previously unappreciated YTHDF2/miR-126 axis in AML and highlight the therapeutic potential of targeting this axis for AML treatment, but also suggest that m6A plays a role in pre-miRNA processing that contributes to tumorigenesis.
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Affiliation(s)
- Zheng Zhang
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
- Irell and Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Keren Zhou
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Li Han
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
- School of Pharmacy, China Medical University, Shenyang, Liaoning 110001, China
| | - Andrew Small
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Jianhuang Xue
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
- Tongji Hospital Affiliated to Tongji University, Frontier Science Center for Stem Cell Research, School of Life Sciences and Technology, Tongji University, Shanghai 200092, China
| | - Huilin Huang
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, Guangdong 510060, China
| | - Hengyou Weng
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
- Guangzhou Laboratory, Guangzhou, Guangdong 510005, China
- Bioland Laboratory, Guangzhou, Guangdong 51005, China
| | - Rui Su
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Brandon Tan
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Chao Shen
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Wei Li
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Zhicong Zhao
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Ying Qing
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Xi Qin
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
- Irell and Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Kitty Wang
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Keith Leung
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Mark Boldin
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Chun-Wei Chen
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - David Ann
- Irell and Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
- Department of Diabetes Complications and Metabolism, Beckman Research Institute of City of Hope, Duarte, CA 91010, USA
| | - Zhijian Qian
- Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL 32603, USA
| | - Xiaolan Deng
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
| | - Jianjun Chen
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
- Gehr Family Center for Leukemia Research, City of Hope, Duarte, CA 91010, USA
| | - Zhenhua Chen
- Department of Systems Biology, Beckman Research Institute of City of Hope, Monrovia, CA 91016, USA
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Chen Y, Wang W, Zhang W, He M, Li Y, Qu G, Tong J. Emerging roles of biological m 6A proteins in regulating virus infection: A review. Int J Biol Macromol 2023; 253:126934. [PMID: 37722640 DOI: 10.1016/j.ijbiomac.2023.126934] [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: 07/16/2023] [Revised: 09/08/2023] [Accepted: 09/14/2023] [Indexed: 09/20/2023]
Abstract
N6-methyladenosine (m6A) is the most prevalent chemical modifications of intracellular RNA, which recently emerging as a multifaceted effector of viral genomic RNA. As a dynamic process, three groups of biological proteins control the levels of m6A modification in eukaryocyte, designed as m6A writers, erasers, and readers. The m6A writers comprising of methyltransferases complex initiate the modification process. On the contrary, the m6A erasers ALKBH5 or FTO abolish the modification through three-step demethylation: m6A to N6-hydroxymethyl adenosine (hm6A), then hm6A to N6-methyladenosine (f6A), and finally f6A to adenosine. The known m6A readers include the YTH family and the hnRNP family. As m6A modification regulates RNA nuclear exportation, stability, and translation, m6A proteins commonly participate in virus infection by regulating viral genomic RNA synthesis. Moreover, m6A proteins establish molecular linkages between virus genome/viral encode proteins and host cells proteins via their multifunctional roles in cellular RNA metabolism. The m6A writers and erasers directly impact interferon expression and macrophage innate immune responses, facilitating them to act as anti-/pro-viral factors. The m6A readers enable to alter cell metabolism and stress granules (SGs) production to regulate virus-host interactions. Here, the latest progress of m6A proteins in regulating viral infection is reviewed. Demonstrating the roles of m6A proteins will enhance the understanding of epigenetic regulation of virus infection and stimulate the development of novel antiviral strategies.
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Affiliation(s)
- Yuran Chen
- College of Life Science, Hebei University, Baoding 071002, China; Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
| | - Wenjing Wang
- College of Life Science, Hebei University, Baoding 071002, China; Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
| | - Wuchao Zhang
- College of Veterinary Medicine, Hebei Agricultural University, Baoding, China
| | - Mei He
- College of Life Science, Hebei University, Baoding 071002, China; Institute of Life Science and Green Development, Hebei University, Baoding 071002, China
| | - Yuming Li
- School of Public Health, Shandong First Medical University, Shandong Academy of Medical Sciences, Ji'nan 250117, China; Key Laboratory of Emerging Infectious Diseases in Universities of Shandong, Shandong First Medical University, Shandong Academy of Medical Sciences, Tai'an 271000, China.
| | - Guosheng Qu
- College of Life Science, Hebei University, Baoding 071002, China; Institute of Life Science and Green Development, Hebei University, Baoding 071002, China.
| | - Jie Tong
- College of Life Science, Hebei University, Baoding 071002, China; Institute of Life Science and Green Development, Hebei University, Baoding 071002, China.
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Zhou X, Zhu H, Luo C, Yan Z, Zheng G, Zou X, Zou J, Zhang G. The role of RNA modification in urological cancers: mechanisms and clinical potential. Discov Oncol 2023; 14:235. [PMID: 38117350 PMCID: PMC10733275 DOI: 10.1007/s12672-023-00843-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 12/04/2023] [Indexed: 12/21/2023] Open
Abstract
RNA modification is a post-transcriptional level of regulation that is widely distributed in all types of RNAs, including mRNA, tRNA, rRNA, miRNA, and lncRNA, where N6-methyladenine (m6A) is the most abundant mRNA methylation modification. Significant evidence has depicted that m6A modifications are closely related to human diseases, especially cancer, and play pivotal roles in RNA transcription, splicing, stabilization, and translation processes. The most common urological cancers include prostate, bladder, kidney, and testicular cancers, accounting for a certain proportion of human cancers, with an ever-increasing incidence and mortality. The recurrence, systemic metastasis, poor prognosis, and drug resistance of urologic tumors have prompted the identification of new therapeutic targets and mechanisms. Research on m6A modifications may provide new solutions to the current puzzles. In this review, we provide a comprehensive overview of the key roles played by RNA modifications, especially m6A modifications, in urologic cancers, as well as recent research advances in diagnostics and molecularly targeted therapies.
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Affiliation(s)
- Xuming Zhou
- First Clinical College, Gannan Medical University, Ganzhou, 341000, China
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - Hezhen Zhu
- First Clinical College, Gannan Medical University, Ganzhou, 341000, China
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - Cong Luo
- First Clinical College, Gannan Medical University, Ganzhou, 341000, China
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - Zhaojie Yan
- First Clinical College, Gannan Medical University, Ganzhou, 341000, China
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - Guansong Zheng
- First Clinical College, Gannan Medical University, Ganzhou, 341000, China
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - Xiaofeng Zou
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
- Institute of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
- Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, 341000, China
| | - Junrong Zou
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
- Institute of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
- Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, 341000, China
| | - Guoxi Zhang
- Department of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China.
- Institute of Urology, First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China.
- Jiangxi Engineering Technology Research Center of Calculi Prevention, Ganzhou, 341000, China.
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Shi Q, Chu Q, Zeng Y, Yuan X, Wang J, Zhang Y, Xue C, Li L. Non-coding RNA methylation modifications in hepatocellular carcinoma: interactions and potential implications. Cell Commun Signal 2023; 21:359. [PMID: 38111040 PMCID: PMC10726651 DOI: 10.1186/s12964-023-01357-0] [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: 08/30/2023] [Accepted: 10/14/2023] [Indexed: 12/20/2023] Open
Abstract
RNA methylation modification plays a crucial role as an epigenetic regulator in the oncogenesis of hepatocellular carcinoma (HCC). Numerous studies have investigated the molecular mechanisms underlying the methylation of protein-coding RNAs in the progression of HCC. Beyond their impact on mRNA, methylation modifications also influence the biological functions of non-coding RNAs (ncRNAs). Here, we present an advanced and comprehensive overview of the interplay between methylation modifications and ncRNAs in HCC, with a specific focus on their potential implications for the tumor immune microenvironment. Moreover, we summarize promising therapeutic targets for HCC based on methylation-related proteins. In the future, a more profound investigation is warranted to elucidate the effects of ncRNA methylation modifications on HCC pathogenesis and devise valuable intervention strategies. Video Abstract.
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Affiliation(s)
- Qingmiao Shi
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Qingfei Chu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Yifan Zeng
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Xin Yuan
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Jinzhi Wang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Yaqi Zhang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Chen Xue
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, China.
- Jinan Microecological Biomedicine Shandong Laboratory, Jinan, 250000, China.
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Wen T, Li T, Xu Y, Zhang Y, Pan H, Wang Y. The role of m6A epigenetic modifications in tumor coding and non-coding RNA processing. Cell Commun Signal 2023; 21:355. [PMID: 38102645 PMCID: PMC10722709 DOI: 10.1186/s12964-023-01385-w] [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: 08/07/2023] [Accepted: 11/04/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Epigenetic modifications of RNA significantly contribute to the regulatory processes in tumors and have, thus, received considerable attention. The m6A modification, known as N6-methyladenosine, is the predominant epigenetic alteration found in both eukaryotic mRNAs and ncRNAs. MAIN BODY m6A methylation modifications are dynamically reversible and are catalyzed, removed, and recognized by the complex of m6A methyltransferase (MTases), m6A demethylase, and m6A methyl recognition proteins (MRPs). Published evidence suggests that dysregulated m6A modification results in abnormal biological behavior of mature mRNA, leading to a variety of abnormal physiological processes, with profound implications for tumor development in particular. CONCLUSION Abnormal RNA processing due to dysregulation of m6A modification plays an important role in tumor pathogenesis and potential mechanisms of action. In this review, we comprehensively explored the mechanisms by which m6A modification regulates mRNA and ncRNA processing, focusing on their roles in tumors, and aiming to understand the important regulatory function of m6A modification, a key RNA epigenetic modification, in tumor cells, with a view to providing theoretical support for tumor diagnosis and treatment. Video Abstract.
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Affiliation(s)
- Tongxuan Wen
- Department of Neurosurgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, 110024, P.R. China
| | - Tong Li
- Department of Neurosurgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, 110024, P.R. China
| | - Yeqiu Xu
- Fourth Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, 110024, P.R. China
| | - Yuanzhuang Zhang
- Fourth Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, 110024, P.R. China
| | - Hai Pan
- Department of Neurosurgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, 110024, P.R. China.
| | - Yong Wang
- Fourth Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, 110024, P.R. China.
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Liu S, Xiang D. New understandings of the genetic regulatory relationship between non-coding RNAs and m 6A modification. Front Genet 2023; 14:1270983. [PMID: 38125749 PMCID: PMC10731383 DOI: 10.3389/fgene.2023.1270983] [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: 08/01/2023] [Accepted: 11/20/2023] [Indexed: 12/23/2023] Open
Abstract
One of the most frequent epigenetic modifications of RNA in eukaryotes is N6 methyladenosine (m6A), which is mostly present in messenger RNAs. Through the influence of several RNA processing stages, m6A modification is a crucial approach for controlling gene expression, especially in cancer progression. It is universally acknowledged that numerous non-coding RNAs (ncRNAs), such as microRNAs, circular RNAs, long non-coding RNAs, and piRNAs, are also significantly affected by m6A modification, and the complex genetic regulatory relationship between m6A and ncRNAs plays a pivotal role in the development of cancer. The connection between m6A modifications and ncRNAs offers an opportunity to explore the oncogene potential regulatory mechanisms and suggests that m6A modifications and ncRNAs could be vital biomarkers for multiple cancers. In this review, we discuss the mechanisms of interaction between m6A methylation and ncRNAs in cancer, and we also summarize diagnostic and prognostic biomarkers for clinical cancer detection. Furthermore, our article includes some methodologies for identifying m6A sites when assessing biomarker potential.
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Affiliation(s)
- Songtao Liu
- The First School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Dayong Xiang
- Division of Orthopaedics and Traumatology, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Bone and Cartilage Regenerative Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Han M, Sun H, Zhou Q, Liu J, Hu J, Yuan W, Sun Z. Effects of RNA methylation on Tumor angiogenesis and cancer progression. Mol Cancer 2023; 22:198. [PMID: 38053093 PMCID: PMC10698974 DOI: 10.1186/s12943-023-01879-8] [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: 06/04/2023] [Accepted: 10/09/2023] [Indexed: 12/07/2023] Open
Abstract
Tumor angiogenesis plays vital roles in the growth and metastasis of cancer. RNA methylation is one of the most common modifications and is widely observed in eukaryotes and prokaryotes. Accumulating studies have revealed that RNA methylation affects the occurrence and development of various tumors. In recent years, RNA methylation has been shown to play an important role in regulating tumor angiogenesis. In this review, we mainly elucidate the mechanisms and functions of RNA methylation on angiogenesis and progression in several cancers. We then shed light on the role of RNA methylation-associated factors and pathways in tumor angiogenesis. Finally, we describe the role of RNA methylation as potential biomarker and novel therapeutic target.
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Affiliation(s)
- Mingyu Han
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China
| | - Haifeng Sun
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China
| | - Quanbo Zhou
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China
| | - Jinbo Liu
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China
| | - Junhong Hu
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China.
| | - Weitang Yuan
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China.
| | - Zhenqiang Sun
- Department of Colorectal Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450001, China.
- Henan Institute of Interconnected Intelligent Health Management, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
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Xu Y, Li T, Shen A, Bao X, Lin J, Guo L, Meng Q, Ruan D, Zhang Q, Zuo Z, Zeng Z. FTO up-regulation induced by MYC suppresses tumour progression in Epstein-Barr virus-associated gastric cancer. Clin Transl Med 2023; 13:e1505. [PMID: 38082402 PMCID: PMC10713874 DOI: 10.1002/ctm2.1505] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 11/20/2023] [Accepted: 11/25/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Epstein-Barr virus-associated gastric cancer (EBVaGC) is regarded as a distinct molecular subtype of GC, accounting for approximately 9% of all GC cases. Clinically, EBVaGC patients are found to have a significantly lower frequency of lymph node metastasis and better prognosis than uninfected individuals. RNA N6-methyladenosine (m6A) modification has an indispensable role in modulating tumour progression in various cancer types. However, its impact on EBVaGC remains unclear. METHODS Methylated RNA immunoprecipitation sequencing (MeRIP-seq) and m6A dot blot were conducted to compare the m6A modification levels between EBVaGC and EBV-negative GC (EBVnGC) cells. Western blot, real-time quantitative PCR (RT-qPCR) and immunohistochemistry were applied to explore the underlying mechanism of the reduced m6A modification in EBVaGC. The biological function of fat mass and obesity-associated protein (FTO) was determined in vivo and in vitro. The target genes of FTO were screened by MeRIP-seq, RT-qPCR and Western blot. The m6A binding proteins of target genes were verified by RNA pulldown and RNA immunoprecipitation assays. Chromatin immunoprecipitation and Luciferase report assays were performed to investigate the mechanism how EBV up-regulated FTO expression. RESULTS M6A demethylase FTO was notably increased in EBVaGC, leading to a reduction in m6A modification, and higher FTO expression was associated with better clinical outcomes. Furthermore, FTO depressed EBVaGC cell metastasis and aggressiveness by reducing the expression of target gene AP-1 transcription factor subunit (FOS). Methylated FOS mRNA was specifically recognized by the m6A 'reader' insulin-like growth factor 2 mRNA binding protein 1/2 (IGF2BP1/2), which enhanced its transcripts stability. Moreover, MYC activated by EBV in EBVaGC elevated FTO expression by binding to a specific region of the FTO promoter. CONCLUSIONS Mechanistically, our work uncovered a crucial suppressive role of FTO in EBVaGC metastasis and invasiveness via an m6A-FOS-IGF2BP1/2-dependent manner, suggesting a promising biomarker panel for GC metastatic prediction and therapy.
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Affiliation(s)
- Yun‐Yun Xu
- State Key Laboratory of Oncology in South ChinaSun Yat‐sen University Cancer CenterGuangzhouP. R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal CancerChinese Academy of Medical SciencesGuangzhouP. R. China
| | - Ting Li
- Department of Gastroenterology and UrologyHunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South UniversityChangshaP. R. China
| | - Ao Shen
- State Key Laboratory of Oncology in South ChinaSun Yat‐sen University Cancer CenterGuangzhouP. R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal CancerChinese Academy of Medical SciencesGuangzhouP. R. China
| | - Xiao‐Qiong Bao
- State Key Laboratory of Oncology in South ChinaSun Yat‐sen University Cancer CenterGuangzhouP. R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal CancerChinese Academy of Medical SciencesGuangzhouP. R. China
| | - Jin‐Fei Lin
- State Key Laboratory of Oncology in South ChinaSun Yat‐sen University Cancer CenterGuangzhouP. R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal CancerChinese Academy of Medical SciencesGuangzhouP. R. China
| | - Li‐Zhen Guo
- Department of Traditional Chinese MedicineYuebei People's HospitalShaoguanP. R. China
| | - Qi Meng
- State Key Laboratory of Oncology in South ChinaSun Yat‐sen University Cancer CenterGuangzhouP. R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal CancerChinese Academy of Medical SciencesGuangzhouP. R. China
| | - Dan‐Yun Ruan
- State Key Laboratory of Oncology in South ChinaSun Yat‐sen University Cancer CenterGuangzhouP. R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal CancerChinese Academy of Medical SciencesGuangzhouP. R. China
| | - Qi‐Hua Zhang
- State Key Laboratory of Oncology in South ChinaSun Yat‐sen University Cancer CenterGuangzhouP. R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal CancerChinese Academy of Medical SciencesGuangzhouP. R. China
| | - Zhi‐Xiang Zuo
- State Key Laboratory of Oncology in South ChinaSun Yat‐sen University Cancer CenterGuangzhouP. R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal CancerChinese Academy of Medical SciencesGuangzhouP. R. China
| | - Zhao‐lei Zeng
- State Key Laboratory of Oncology in South ChinaSun Yat‐sen University Cancer CenterGuangzhouP. R. China
- Research Unit of Precision Diagnosis and Treatment for Gastrointestinal CancerChinese Academy of Medical SciencesGuangzhouP. R. China
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Sun Y, Jin D, Zhang Z, Ji H, An X, Zhang Y, Yang C, Sun W, Zhang Y, Duan Y, Kang X, Jiang L, Zhao X, Lian F. N6-methyladenosine (m6A) methylation in kidney diseases: Mechanisms and therapeutic potential. BIOCHIMICA ET BIOPHYSICA ACTA. GENE REGULATORY MECHANISMS 2023; 1866:194967. [PMID: 37553065 DOI: 10.1016/j.bbagrm.2023.194967] [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: 03/27/2023] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/10/2023]
Abstract
The N6-methyladenosine (m6A) modification is regulated by methylases, commonly referred to as "writers," and demethylases, known as "erasers," leading to a dynamic and reversible process. Changes in m6A levels have been implicated in a wide range of cellular processes, including nuclear RNA export, mRNA metabolism, protein translation, and RNA splicing, establishing a strong correlation with various diseases. Both physiologically and pathologically, m6A methylation plays a critical role in the initiation and progression of kidney disease. The methylation of m6A may also facilitate the early diagnosis and treatment of kidney diseases, according to accumulating research. This review aims to provide a comprehensive overview of the potential role and mechanism of m6A methylation in kidney diseases, as well as its potential application in the treatment of such diseases. There will be a thorough examination of m6A methylation mechanisms, paying particular attention to the interplay between m6A writers, m6A erasers, and m6A readers. Furthermore, this paper will elucidate the interplay between various kidney diseases and m6A methylation, summarize the expression patterns of m6A in pathological kidney tissues, and discuss the potential therapeutic benefits of targeting m6A in the context of kidney diseases.
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Affiliation(s)
- Yuting Sun
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - De Jin
- Hangzhou Hospital of Traditional Chinese Medicine, Hangzhou, China
| | - Ziwei Zhang
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, China
| | - Hangyu Ji
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xuedong An
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yuehong Zhang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Cunqing Yang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Wenjie Sun
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yuqing Zhang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yingying Duan
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaomin Kang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Linlin Jiang
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xuefei Zhao
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Fengmei Lian
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
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Li C, Wu X, Yang Y, Shi J, Wang S, Li J, Tian Y, Liu C, Han H, Xu S, Han X, Ma Y, Zheng L, Li J. METTL14 and FTO mediated m 6A modification regulate PCV2 replication by affecting miR-30a-5p maturity. Virulence 2023; 14:2232910. [PMID: 37418592 PMCID: PMC10332184 DOI: 10.1080/21505594.2023.2232910] [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: 02/15/2023] [Revised: 05/16/2023] [Accepted: 06/26/2023] [Indexed: 07/09/2023] Open
Abstract
The epigenetic modification of the N6-methyladenosine (m6A) methylation plays an important role in virus infection and replication. However, its role in Porcine circovirus type 2 (PCV2) replication has not been well studied. Here, we demonstrated that m6A modifications are increased in PK-15 cells after PCV2 infection. In particular, PCV2 infection could increase the expression of methyltransferase METTL14 and demethylase FTO. Moreover, interfering with METTL14 accumulation reduced the m6A methylation level and virus reproduction, whereas depleting the FTO demethylase enhanced the m6A methylation level and stimulated virus reproduction. Besides, we showed that METTL14 and FTO regulate PCV2 replication by affecting the process of miRNA maturity, especially the miRNA-30a-5p. Taken together, our results demonstrated that the m6A modification positively affects PCV2 replication and the role of m6A modification in the replication mechanism of the PCV2 virus provides a new idea for the prevention and control of the PCV2.
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Affiliation(s)
- Chen Li
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, jinan, P. R. China
| | - Xiaoyan Wu
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, jinan, P. R. China
- College of Life Sciences, Shandong Normal University, Jinan, China
| | - Ying Yang
- College of Life Sciences, Shandong Normal University, Jinan, China
| | - Jianli Shi
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, jinan, P. R. China
| | - Shuo Wang
- Shandong Provincial Key Laboratory of Animal Cells and Developmental Biology, School of Life Science, Shandong University, Qingdao, China
| | - Jiaxin Li
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Yao Tian
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Chang Liu
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, jinan, P. R. China
| | - Hong Han
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, jinan, P. R. China
| | - Shaojian Xu
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, jinan, P. R. China
| | - Xianjie Han
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Yingru Ma
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Limei Zheng
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Jun Li
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, jinan, P. R. China
- College of Life Sciences, Shandong Normal University, Jinan, China
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
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40
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Liao X, Chen L, Liu J, Hu H, Hou D, You R, Wang X, Huang H. m 6A RNA methylation regulators predict prognosis and indicate characteristics of tumour microenvironment infiltration in acute myeloid leukaemia. Epigenetics 2023; 18:2160134. [PMID: 36567510 PMCID: PMC9980463 DOI: 10.1080/15592294.2022.2160134] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Patients with acute myeloid leukaemia (AML) have poor prognoses and low overall survival (OS) rates owing to its heterogeneity and the complexity of its tumour microenvironment (TME). N6-methyladenosine (m6A) modification plays a key role in the initiation and progression of haematopoietic malignancies. However, the underlying function of m6A regulators in AML remains elusive. This study thoroughly analysed the m6A modification features of 177 AML patients based on 22 m6A regulators. Utilizing unsupervised clustering, we determined three distinct m6A modification patterns related to different biological functions, TME cell-infiltrating characteristics and clinical outcomes. Additionally, a risk score was constructed based on six m6A regulators-associated prognostic signatures and was validated as an independent and valuable prognostic factor for AML. Patients with a low-risk score exhibited better survival than those with a high-risk score. Many m6A regulators were aberrantly expressed in AML, among which METTL14, YTHDC2, ZC3H13 and RBM15 were observed to be associated with the OS of AML. In addition, these four m6A regulators were found to be noticeably related to the immune checkpoint inhibitor (ICI) treatments. Finally, we verified the expression levels of these four m6A regulators in AML and healthy samples and three groups of AML patients with different risk categories. Collectively, our study indicates that the m6A modification pattern is involved in TME immune-infiltrating characteristics and prognosis in AML. A better understanding of the m6A modification pattern will help enhance our knowledge of the molecular mechanisms of AML and develop potential prognosis prediction indicators and more effective immunotherapeutic strategies.
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Affiliation(s)
- Xinai Liao
- Central Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Ling Chen
- Central Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Jingru Liu
- Central Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Haoran Hu
- Central Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Diyu Hou
- Central Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Ruolan You
- Central Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Xiaoting Wang
- Central Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
| | - Huifang Huang
- Central Laboratory, Fujian Medical University Union Hospital, Fuzhou, China
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Zhang Y, Xu Y, Bao Y, Luo Y, Qiu G, He M, Lu J, Xu J, Chen B, Wang Y. N6-methyladenosine (m6A) modification in osteosarcoma: expression, function and interaction with noncoding RNAs - an updated review. Epigenetics 2023; 18:2260213. [PMID: 37766615 PMCID: PMC10540650 DOI: 10.1080/15592294.2023.2260213] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
Osteosarcoma, originating from primitive bone-forming mesenchymal cells, is the most common malignant bone tumour among children and adolescents. N6-methyladenosine (m6A), the most ubiquitous type of posttranscriptional modification, is a methylation that occurs in the N6-position of adenosine. m6A dramatically affects the splicing, export, translation, and stability of various RNAs, including mRNA and noncoding RNAs (ncRNAs). Increasing evidence suggests that ncRNAs, especially microRNAs (miRNA), long noncoding RNAs (lncRNA), and circular RNAs (circRNAs), regulate the m6A modification process by affecting the expression of m6A-associated enzymes. m6A modification interactions with ncRNAs provide new perspectives for exploring the underlying mechanisms of tumorigenesis and progression. In the current review, we summarized the expression and biological functions of m6A regulators in osteosarcoma. At the same time, the present review systematically elucidated the functional and mechanical interactions between m6A modification and ncRNAs in osteosarcoma. In addition, we discussed the effect of m6A and ncRNAs in the tumour microenvironment and potential clinical applications of osteosarcoma.
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Affiliation(s)
- Yuanzhuang Zhang
- Fourth Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, China
| | - Yeqiu Xu
- Fourth Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, China
| | - Yuxin Bao
- Fourth Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, China
| | - Yinzhou Luo
- Fourth Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, China
| | - Guanzhen Qiu
- Fourth Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, China
| | - Ming He
- Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
| | - Jie Lu
- Department of Cardiology, Shenyang Fourth People's Hospital, China Medical University, Shenyang, Liaoning, China
| | - Jian Xu
- Department of Orthopedic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Bin Chen
- Department of Orthopedic Surgery, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yong Wang
- Fourth Department of Orthopedic Surgery, Central Hospital Affiliated to Shenyang Medical College, Shenyang, Liaoning, China
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Zhang C, Jian H, Shang S, Lu L, Lou Y, Kang Y, Bai H, Fu Z, Lv Y, Kong X, Li X, Feng S, Zhou H. Crosstalk between m6A mRNAs and m6A circRNAs and the time-specific biogenesis of m6A circRNAs after OGD/R in primary neurons. Epigenetics 2023; 18:2181575. [PMID: 36861189 PMCID: PMC9988353 DOI: 10.1080/15592294.2023.2181575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023] Open
Abstract
Cerebral ischaemiareperfusion injury is an important pathological process in nervous system diseases during which neurons undergo oxygenglucose deprivation and reoxygenation (OGD/R) injury. No study has used epitranscriptomics to explore the characteristics and mechanism of injury. N6methyladenosine (m6A) is the most abundant epitranscriptomic RNA modification. However, little is known about m6A modifications in neurons, especially during OGD/R. m6A RNA immunoprecipitation sequencing (MeRIPseq) and RNA-sequencing data for normal and OGD/R-treated neurons were analysed by bioinformatics. MeRIP quantitative real-time polymerase chain reaction was used to determine the m6A modification levels on specific RNAs. We report the m6A modification profiles of the mRNA and circRNA transcriptomes of normal and OGD/R-treated neurons. Expression analysis revealed that the m6A levels did not affect m6A mRNA or m6A circRNA expression. We found crosstalk between m6A mRNAs and m6A circRNAs and identified three patterns of m6A circRNA production in neurons; thus, distinct OGD/R treatments induced the same genes to generate different m6A circRNAs. Additionally, m6A circRNA biogenesis during distinct OGD/R processes was found to be time specific. These results expand our understanding of m6A modifications in normal and OGD/R-treated neurons, providing a reference to explore epigenetic mechanisms and potential treatments for OGD/R-related diseases.
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Affiliation(s)
- Chi Zhang
- Department of Orthopaedics, Qilu Hospital, Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China; Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Huan Jian
- Department of Orthopaedics, Tianjin Medical University General Hospital, International Science and Technology Cooperation Base of Spinal Cord Injury, Tianjin Key Laboratory of Spine and Spinal Cord, Tianjin, China
| | - Shenghui Shang
- Department of Orthopaedics, Tianjin Medical University General Hospital, International Science and Technology Cooperation Base of Spinal Cord Injury, Tianjin Key Laboratory of Spine and Spinal Cord, Tianjin, China
| | - Lu Lu
- Department of Orthopaedics, Tianjin Medical University General Hospital, International Science and Technology Cooperation Base of Spinal Cord Injury, Tianjin Key Laboratory of Spine and Spinal Cord, Tianjin, China
| | - Yongfu Lou
- Department of Orthopaedics, Tianjin Medical University General Hospital, International Science and Technology Cooperation Base of Spinal Cord Injury, Tianjin Key Laboratory of Spine and Spinal Cord, Tianjin, China
| | - Yi Kang
- Department of Orthopaedics, Tianjin Medical University General Hospital, International Science and Technology Cooperation Base of Spinal Cord Injury, Tianjin Key Laboratory of Spine and Spinal Cord, Tianjin, China
| | - Hong Bai
- Key Laboratory of Immuno-Microenvironment and Disease of the Educational Ministry of China, Department of Immunology, Tianjin Medical University, Tianjin, China
| | - Zheng Fu
- Key Laboratory of Immuno-Microenvironment and Disease of the Educational Ministry of China, Department of Immunology, Tianjin Medical University, Tianjin, China
| | - Yigang Lv
- Department of Orthopaedics, Tianjin Medical University General Hospital, International Science and Technology Cooperation Base of Spinal Cord Injury, Tianjin Key Laboratory of Spine and Spinal Cord, Tianjin, China
| | - Xiaohong Kong
- Department of Orthopaedics, Qilu Hospital, Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China; Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xueying Li
- Department of Orthopaedics, Qilu Hospital, Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China; Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Shiqing Feng
- Department of Orthopaedics, Qilu Hospital, Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China; Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Orthopaedics, Tianjin Medical University General Hospital, International Science and Technology Cooperation Base of Spinal Cord Injury, Tianjin Key Laboratory of Spine and Spinal Cord, Tianjin, China
| | - Hengxing Zhou
- Department of Orthopaedics, Qilu Hospital, Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China; Shandong University Centre for Orthopaedics, Advanced Medical Research Institute, Cheeloo College of Medicine, Shandong University, Jinan, China
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Yang JG, Sun B, Wang Z, Li X, Gao JH, Qian JJ, Li J, Wei WJ, Zhang P, Wang W. Exosome-targeted delivery of METTL14 regulates NFATc1 m6A methylation levels to correct osteoclast-induced bone resorption. Cell Death Dis 2023; 14:738. [PMID: 37957146 PMCID: PMC10643436 DOI: 10.1038/s41419-023-06263-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 10/24/2023] [Accepted: 10/31/2023] [Indexed: 11/15/2023]
Abstract
Osteoporosis has a profound influence on public health. First-line bisphosphonates often cause osteonecrosis of the jaw meanwhile inhibiting osteoclasts. Therefore, it is important to develop effective treatments. The results of this study showed that the increased level of NFATc1 m6A methylation caused by zoledronic acid (ZOL), with 4249A as the functional site, is highly correlated with the decreased bone resorption of osteoclasts. Upstream, METTL14 regulates osteoclast bone absorption through the methylation functional site of NFATc1. Downstream, YTHDF1 and YTHDF2 show antagonistic effects on the post-transcriptional regulation of NFATc1 after the m6A methylation level is elevated by METTL14. In this study, meRIP-Seq, luciferase reporter assays, meRIP and other methods were used to elucidate the NFATc1 regulatory mechanism of osteoclasts from the perspective of RNA methylation. In addition, EphA2 overexpression on exosomes is an effective biological method for targeted delivery of METTL14 into osteoclasts. Importantly, this study shows that METTL14 released by exosomes can increase the m6A methylation level of NFATc1 to inhibit osteoclasts, help postmenopausal osteoporosis patients preserve bone mass, and avoid triggering osteonecrosis of the jaw, thus becoming a new bioactive molecule for the treatment of osteoporosis.
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Affiliation(s)
- Jin-Gang Yang
- Department of Stomatology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, No. 1111 Xianxia Road, Shanghai, 200336, China
| | - Bao Sun
- Department of Oral Pathology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Zheng Wang
- Concordia Institute for Information Systems Engineering, Concordia University, 1455 De Maisonneuve Blvd. W., Montreal, QC H3G 1M8, Canada
| | - Xing Li
- Department of Oral Maxillofacial-Head Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Jia-Hui Gao
- Department of Ecology, College of Life Sciences, Henan Normal University, No. 46 Jianshe East Road, Xinxiang, Henan Province, 453007, China
| | - Jia-Jun Qian
- Department of Oral Pathology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
| | - Jiang Li
- Department of Oral Pathology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China.
| | - Wen-Jia Wei
- Department of Stomatology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, No. 1111 Xianxia Road, Shanghai, 200336, China.
| | - Ping Zhang
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, No. 136 Hanzhong Road, Nanjing, Jiangsu Province, 210029, China.
| | - Wei Wang
- Department of General Dentistry, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China.
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Li B, Zhang J, Dong H, Feng X, Yu L, Zhu J, Zhang J. Systematic analysis of various RNA transcripts and construction of biological regulatory networks at the post-transcriptional level for chronic obstructive pulmonary disease. J Transl Med 2023; 21:790. [PMID: 37936118 PMCID: PMC10631086 DOI: 10.1186/s12967-023-04674-7] [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: 05/26/2023] [Accepted: 10/29/2023] [Indexed: 11/09/2023] Open
Abstract
BACKGROUND Although chronic inflammation, oxidative stress, airway remodeling, and protease-antiprotease imbalance have been implicated in chronic obstructive pulmonary disease (COPD), the exact pathogenesis is still obscure. Gene transcription and post-transcriptional regulation have been taken into account as key regulators of COPD occurrence and development. Identifying the hub genes and constructing biological regulatory networks at the post-transcriptional level will help extend current knowledge on COPD pathogenesis and develop potential drugs. METHODS All lung tissues from non-smokers (n = 6), smokers without COPD (smokers, n = 7), and smokers with COPD (COPD, n = 7) were collected to detect messenger RNA (mRNA), microRNA (miRNA), circular RNA (circRNA), and long non-coding RNA (lncRNA) expression and identify the hub genes. Biological regulatory networks were constructed at the post-transcriptional level, including the RNA-binding protein (RBP)-hub gene interaction network and the competitive endogenous RNA (ceRNA) network. In addition, we assessed the composition and abundance of immune cells in COPD lung tissue and predicted potential therapeutic drugs for COPD. Finally, the hub genes were confirmed at both the RNA and protein levels. RESULTS Among the 20 participants, a total of 121169 mRNA transcripts, 1871 miRNA transcripts, 4244 circRNA transcripts, and 122130 lncRNA transcripts were detected. There were differences in the expression of 1561 mRNAs, 48 miRNAs, 33 circRNAs, and 545 lncRNAs between smokers and non-smokers, as well as 1289 mRNAs, 69 miRNAs, 32 circRNAs, and 433 lncRNAs between smokers and COPD patients. 18 hub genes were identified in COPD. TGF-β signaling and Wnt/β-catenin signaling may be involved in the development of COPD. Furthermore, the circRNA/lncRNA-miRNA-mRNA ceRNA networks and the RBP-hub gene interaction network were also constructed. Analysis of the immune cell infiltration level revealed that M2 macrophages and activated NK cells were increased in COPD lung tissues. Finally, we identified that the ITK inhibitor and oxybutynin chloride may be effective in treating COPD. CONCLUSIONS We identified several novel hub genes involved in COPD pathogenesis. TGF-β signaling and Wnt/β-catenin signaling were the most dysregulated pathways in COPD patients. Our study constructed post-transcriptional biological regulatory networks and predicted small-molecule drugs for the treatment of COPD, which enhanced the existing understanding of COPD pathogenesis and suggested an innovative direction for the therapeutic intervention of the disease.
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Affiliation(s)
- Beibei Li
- School of Clinical Medicine, Ningxia Medical University, Yinchuan, 750004, China
| | - Jiajun Zhang
- School of Clinical Medicine, Ningxia Medical University, Yinchuan, 750004, China
| | - Hui Dong
- Center of Research Equipment Management, General Hospital of Ningxia Medical University, Yinchuan, 750004, China
| | - Xueyan Feng
- School of Clinical Medicine, Ningxia Medical University, Yinchuan, 750004, China
| | - Liang Yu
- Department of Thoracic Surgery, General Hospital of Ningxia Medical University, Yinchuan, 750004, China
| | - Jinyuan Zhu
- Department of Critical Care Medicine, General Hospital of Ningxia Medical University, Yinchuan, 750004, China
| | - Jin Zhang
- Department of Respiratory and Critical Care Medicine, General Hospital of Ningxia Medical University, 804 Shengli South Street, Xingqing District, Yinchuan, 750004, China.
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Wang J, Ling D, Shi L, Li H, Peng M, Wen H, Liu T, Liang R, Lin Y, Wei L, Zhang G, Chen S. METTL3-mediated m6A methylation regulates ovarian cancer progression by recruiting myeloid-derived suppressor cells. Cell Biosci 2023; 13:202. [PMID: 37932814 PMCID: PMC10629157 DOI: 10.1186/s13578-023-01149-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 10/20/2023] [Indexed: 11/08/2023] Open
Abstract
BACKGROUND Ovarian cancer (OC) typically develops an immunosuppressive microenvironment by funtional changes of host immune cells. Dysregulated m6A level is associated with cancer progression via the intrinsic oncogenic pathways. However, the role of m6A in regulating host immune cell function during anti-tumor immunity needs comprehensive analysis. This study aimed to investigate the role of METTL3, a catalytic subunit of the methyltransferase complex, in regulating host immune cell response against OC. METHODS In this study, myeloid-specific Mettl3 gene knockout (Mettl3-cKO) mice were bred using the Cre-LoxP system. Intraperitoneally injection of ID8 cells was used as a syngeneic OC model. Furthermore, the compositions of immune cell populations were analyzed by flow cytometry and single-cell sequencing. Moreover, chemokines and cytokines secretion were assessed using ELISA. Lastly, the role of METTL3 in regulating IL-1β secretion and inflammasome activation in bone marrow-derived macrophages cocultured with ID8 cells was specified by ELISA and immunoblotting. RESULTS It was revealed that OC cell growth was enhanced in Mettl3-cKO mice. Furthermore, a shift of decreased M1 to increased M2 macrophage polarization was observed during OC progression. Moreover, Mettl3 depletion in myeloid lineage cells increased secretion of CCL2 and CXCL2 in peritoneal lavage fluild. Interestingly, Mettl3 deficiency enhanced IL-1β secretion induced by viable ID8 cells independent of inflammasome activation and cell death. Therefore, OC cells in tumor-bearing mice trigger a slight inflammatory response with a low-to-moderate secretion of pro-inflammatory cytokines and chemokines. CONCLUSION This study provides new insights into METTL3-mediated m6A methylation, which regulates host immune response against OC.
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Affiliation(s)
- Jinyong Wang
- Department of Pulmonary and Critical Care Medicine, Institute of Respiratory Diseases, The Second Clinical Medical College, Shenzhen People's Hospital, Jinan University, The First Affiliated Hospital of Southern University of Science and Technology), Shenzhen, Guangdong, 518020, China
- Institute of Infectious Diseases, Shenzhen Bay Laboratory, Shenzhen, Guangdong, 518107, China
- Shenzhen International Institute for Biomedical Research, 518110, Shenzhen, Guangdong, China
| | - Dakai Ling
- Shenzhen International Institute for Biomedical Research, 518110, Shenzhen, Guangdong, China
- Department of Microbiology and Immunology, Western University, London, ON, N6A 3K7, Canada
| | - Lulin Shi
- Department of Hepatobiliary and Pancreas Surgery, Shenzhen People's Hospital, Shenzhen, Guangdong, 518020, China
| | - Huayun Li
- Annoroad Gene Technology Corporation, Beijing, 100176, China
| | - Minhua Peng
- Shenzhen International Institute for Biomedical Research, 518110, Shenzhen, Guangdong, China
| | - Huihong Wen
- Shenzhen International Institute for Biomedical Research, 518110, Shenzhen, Guangdong, China
- School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong, 511436, China
| | - Tao Liu
- Annoroad Gene Technology Corporation, Beijing, 100176, China
| | - Ruifang Liang
- Department of Pulmonary and Critical Care Medicine, Institute of Respiratory Diseases, The Second Clinical Medical College, Shenzhen People's Hospital, Jinan University, The First Affiliated Hospital of Southern University of Science and Technology), Shenzhen, Guangdong, 518020, China
| | - Yongjian Lin
- Department of Pulmonary and Critical Care Medicine, Institute of Respiratory Diseases, The Second Clinical Medical College, Shenzhen People's Hospital, Jinan University, The First Affiliated Hospital of Southern University of Science and Technology), Shenzhen, Guangdong, 518020, China
| | - Laiyou Wei
- Department of Pulmonary and Critical Care Medicine, Institute of Respiratory Diseases, The Second Clinical Medical College, Shenzhen People's Hospital, Jinan University, The First Affiliated Hospital of Southern University of Science and Technology), Shenzhen, Guangdong, 518020, China
| | - Guangzhi Zhang
- Institute of Animal Sciences of Chinese Academy of Agriculture Sciences, Beijing, 100193, China.
| | - Shanze Chen
- Department of Pulmonary and Critical Care Medicine, Institute of Respiratory Diseases, The Second Clinical Medical College, Shenzhen People's Hospital, Jinan University, The First Affiliated Hospital of Southern University of Science and Technology), Shenzhen, Guangdong, 518020, China.
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Qiao Z, Li Y, Cheng Y, Li S, Liu S. SHMT2 regulates esophageal cancer cell progression and immune Escape by mediating m6A modification of c-myc. Cell Biosci 2023; 13:203. [PMID: 37932821 PMCID: PMC10629073 DOI: 10.1186/s13578-023-01148-7] [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: 07/18/2023] [Accepted: 10/19/2023] [Indexed: 11/08/2023] Open
Abstract
BACKGROUND In recent years, the role of altered cellular metabolism in tumor progression has attracted widespread attention. Related metabolic enzymes have also been considered as potential cancer therapeutic targets. Serine hydroxymethyltransferase 2 (SHMT2) has been reported to be upregulated in several cancers and associated with poor prognosis. However, there are few studies of SHMT2 in esophageal cancer (EC), and the related functions and mechanisms also need to be further explored. METHODS In this study, we first analyzed SHMT2 expression in EC by online database and clinical samples. Then, the biological functions of SHMT2 in EC were investigated by cell and animal experiments. The intracellular m6A methylation modification levels were also evaluated by MeRIP. Linked genes and mechanisms of SHMT2 were analyzed by bioinformatics and rescue experiments. RESULTS We found that SHMT2 expression was abnormally upregulated in EC and associated with poor prognosis. Functionally, SHMT2 silencing suppressed c-myc expression in an m6A-dependent manner, thereby blocking the proliferation, migration, invasion and immune escape abilities of EC cells. Mechanistically, SHMT2 encouraged the accumulation of methyl donor SAM through a one-carbon metabolic network, thereby regulating the m6A modification and stability of c-myc mRNA in a METTL3/FTO/ALKBH5/IGF2BP2-dependent way. In vivo animal experiments also demonstrated that SHMT2 mediated MYC expression by m6A-methylation modification, thus boosting EC tumorigenesis. CONCLUSION In conclusion, our data illustrated that SHMT2 regulated malignant progression and immune escape of EC cell through c-myc m6A modification. These revealed mechanisms related to SHMT2 in EC and maybe offer promise for the development of new therapeutic approaches.
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Affiliation(s)
- Zhe Qiao
- Department of Thoracic Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157, West 5th Road, 710004, Xi'an, Shaanxi, China
| | - Yu Li
- Department of Thoracic Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157, West 5th Road, 710004, Xi'an, Shaanxi, China
| | - Yao Cheng
- Department of Thoracic Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157, West 5th Road, 710004, Xi'an, Shaanxi, China
| | - Shaomin Li
- Department of Thoracic Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157, West 5th Road, 710004, Xi'an, Shaanxi, China
| | - Shiyuan Liu
- Department of Thoracic Surgery, The Second Affiliated Hospital of Xi'an Jiaotong University, No. 157, West 5th Road, 710004, Xi'an, Shaanxi, China.
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Jin A, Li L, Zhao Y, Li M, Zhang S, Chen J, Li Y, Huang L, Ren H, Lu S, Yang X, Sun Q. Modulating the m6A Modified Transcription Factor GATA6 Impacts Epithelial Cytokines in Acute Lung Injury. Am J Respir Cell Mol Biol 2023; 69:521-532. [PMID: 37494067 DOI: 10.1165/rcmb.2022-0243oc] [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: 06/13/2022] [Accepted: 07/26/2023] [Indexed: 07/27/2023] Open
Abstract
The methylation of m6A (N6-position of adenosine) has been found to be associated with inflammatory response. We hypothesize that m6A modification plays a role in the inflammation of airway epithelial cells during lung inflammation. However, the precise changes and functions of m6A modification in airway epithelial cells in acute lung injury (ALI) are not well understood. Here we report that METTL3 (methyltransferase-like 3)-mediated m6A of GATA6 (GATA-binding factor 6) mRNA inhibits ALI and the secretion of proinflammatory cytokines in airway epithelial cells. The expression of METTL3 and m6A levels decrease in lung tissues of mice with ALI. In cocultures, peripheral blood monocytes secreted TNF-α, which reduces METTL3 and m6A levels in the human bronchial epithelial cell line BEAS-2B. Knockdown of METTL3 promotes IL-6 and TNF-α release in BEAS-2B cells. Conversely, overexpression of METTL3 increases total RNA m6A level and reduces the levels of proinflammatory cytokines TNF-α, transforming growth factor-β, and thymic stromal lymphopoietin. Increasing METTL3 in mouse lungs prevented LPS-induced ALI and reduced the synthesis of proinflammatory cytokines. Mechanistically, sequencing and functional analysis show that METTL3 catalyzes m6A in the 3' untranslated region of GATA6 read by YTH N6-Methyladenosine RNA Binding Protein 2 and triggers mRNA degradation. GATA6 knockdown rescues TNF-α-induced inflammatory cytokine secretion of epithelial cells, indicating that GATA6 is a main substrate of METTL3 in airway epithelial cells. Overall, this study provides evidence of a novel role for METTL3 in the inflammatory cytokine release of epithelial cells and provides an innovative therapeutic target for ALI.
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Affiliation(s)
- Ai Jin
- Department of Animal Science, College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi Province, China
| | - Li Li
- Department of Animal Science, College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi Province, China
| | - Yan Zhao
- Department of Animal Science, College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi Province, China
| | - Mei Li
- Department of Animal Science, College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi Province, China
| | - Shanshan Zhang
- Department of Animal Science, College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi Province, China
| | - Jian Chen
- Department of Animal Science, College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi Province, China
| | - Yuwen Li
- Department of Animal Science, College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi Province, China
| | - Lei Huang
- Department of Animal Science, College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi Province, China
| | - Hui Ren
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Shemin Lu
- Department of Biochemistry and Molecular Biology, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi Province, China; and
| | - Xiaojun Yang
- Department of Animal Science, College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi Province, China
| | - Qingzhu Sun
- Department of Animal Science, College of Animal Science and Technology, Northwest A&F University, Xianyang, Shaanxi Province, China
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Yang Q, Liang Y, Shi Y, Shang J, Huang X. The ALKBH5/SOX4 axis promotes liver cancer stem cell properties via activating the SHH signaling pathway. J Cancer Res Clin Oncol 2023; 149:15499-15510. [PMID: 37646828 DOI: 10.1007/s00432-023-05309-6] [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: 07/23/2023] [Accepted: 08/16/2023] [Indexed: 09/01/2023]
Abstract
Hepatocellular carcinoma (HCC), featured with high prevalence and poor prognosis, is the major cause of cancer-related deaths worldwide. As a subgroup of liver cancer cells capable of differentiation, tumorigenesis and self-renewal, liver cancer stem cells (LCSCs) serve as one of the reasons leading to HCC progression and therapeutic resistance. Therefore, in-depth exploration of novel molecular biomarkers related to LSCSs is of great necessity. In our study, we found that human AlkB homolog H5 (ALKBH5) expression was enriched in LCSCs, which could foster proliferation, invasion and migration of the HCC cells. Mechanically, ALKBH5 positively mediated the expression of SOX4 via demethylation, and SOX4 promoted SHH expression at the transcriptional level to activate sonic hedgehog (SHH) signaling pathway. Furthermore, exosomes derived from CD133+ HCC cells could transmit ALKBH5 into THP-1 cells, which might be associated with M2 polarization of macrophages. In summary, the ALKBH5/SOX4 axis plays a significant role in exacerbating LCSC properties via activating SHH signaling pathway, and ALKBH5 could be a critical effector related to macrophage M2 polarization. These findings might provide a promising new biomarker for HCC diagnosis and treatment.
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Affiliation(s)
- Qinyan Yang
- Liver Transplantation Center and HBP Surgery, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yuxin Liang
- Liver Transplantation Center and HBP Surgery, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Ying Shi
- Liver Transplantation Center and HBP Surgery, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Jin Shang
- Liver Transplantation Center and HBP Surgery, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.
| | - Xiaolun Huang
- Liver Transplantation Center and HBP Surgery, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.
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Wang K, Wang L, Chen X, Gu J, Cheng X. The role of N 6-methyladenosine RNA modification in platinum resistance. Epigenomics 2023; 15:1221-1232. [PMID: 38009226 DOI: 10.2217/epi-2023-0289] [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] [Indexed: 11/28/2023] Open
Abstract
N6-methyladenosine (m6A) RNA methylation, a dynamic regulator of transcript expression, plays a pivotal role in cancer by influencing diverse mRNA processes, including nuclear export, splicing, translation and decay. It intersects with cancer biology, impacting progression, treatment sensitivity and prognosis. Platinum-based compounds are essential in cancer treatment, while intrinsic or acquired resistance poses a formidable challenge, limiting therapeutic efficacy. Recent breakthroughs have established a direct association between m6A RNA methylation and platinum resistance in various cancer types. This review summarized related studies, aiming to provide profound insights into the interplay between m6A-associated regulation and platinum-resistance mechanisms in cancer. It explores therapeutic approaches, including personalized treatments based on m6A profiles, guiding future research to enhance clinical strategies for oncological prognostic outcomes.
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Affiliation(s)
- Kai Wang
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310000, China
- Department of Obstetrics & Gynecology, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, 317000, China
| | - Lingfang Wang
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310000, China
| | - Xiaojing Chen
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310000, China
| | - Jiaxin Gu
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310000, China
| | - Xiaodong Cheng
- Department of Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, 310000, China
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Zhuang A, Gu X, Ge T, Wang S, Ge S, Chai P, Jia R, Fan X. Targeting histone deacetylase suppresses tumor growth through eliciting METTL14-modified m 6 A RNA methylation in ocular melanoma. Cancer Commun (Lond) 2023; 43:1185-1206. [PMID: 37466203 PMCID: PMC10631484 DOI: 10.1002/cac2.12471] [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: 11/13/2022] [Revised: 03/31/2023] [Accepted: 07/13/2023] [Indexed: 07/20/2023] Open
Abstract
BACKGROUND Diversified histone deacetylation inhibitors (HDACis) have demonstrated encouraging outcomes in multiple malignancies. N6-methyladenine (m6 A) is the most prevalent messenger RNA modification that plays an essential role in the regulation of tumorigenesis. Howbeit, an in-depth understanding of the crosstalk between histone acetylation and m6 A RNA modifications remains enigmatic. This study aimed to explore the role of histone acetylation and m6 A modifications in the regulation of tumorigenesis of ocular melanoma. METHODS Histone modification inhibitor screening was used to explore the effects of HDACis on ocular melanoma cells. Dot blot assay was used to detect the global m6 A RNA modification level. Multi-omics assays, including RNA-sequencing, cleavage under targets and tagmentation, single-cell sequencing, methylated RNA immunoprecipitation-sequencing (meRIP-seq), and m6 A individual nucleotide resolution cross-linking and immunoprecipitation-sequencing (miCLIP-seq), were performed to reveal the mechanisms of HDACis on methyltransferase-like 14 (METTL14) and FAT tumor suppressor homolog 4 (FAT4) in ocular melanoma. Quantitative real-time polymerase chain reaction (qPCR), western blotting, and immunofluorescent staining were applied to detect the expression of METTL14 and FAT4 in ocular melanoma cells and tissues. Cell models and orthotopic xenograft models were established to determine the roles of METTL14 and FAT4 in the growth of ocular melanoma. RNA-binding protein immunoprecipitation-qPCR, meRIP-seq, miCLIP-seq, and RNA stability assay were adopted to investigate the mechanism by which m6 A levels of FAT4 were affected. RESULTS First, we found that ocular melanoma cells presented vulnerability towards HDACis. HDACis triggered the elevation of m6 A RNA modification in ocular melanoma. Further studies revealed that METTL14 served as a downstream candidate for HDACis. METTL14 was silenced by the hypo-histone acetylation status, whereas HDACi restored the normal histone acetylation level of METTL14, thereby inducing its expression. Subsequently, METTL14 served as a tumor suppressor by promoting the expression of FAT4, a tumor suppressor, in a m6 A-YTH N6-methyladenosine RNA-binding protein 1-dependent manner. Taken together, we found that HDACi restored the histone acetylation level of METTL14 and subsequently elicited METTL14-mediated m6 A modification in tumorigenesis. CONCLUSIONS These results demonstrate that HDACis exert anti-cancer effects by orchestrating m6 A modification, which unveiling a "histone-RNA crosstalk" of the HDAC/METTL14/FAT4 epigenetic cascade in ocular melanoma.
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Affiliation(s)
- Ai Zhuang
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai JiaoTong University School of MedicineShanghaiP. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghaiP. R. China
| | - Xiang Gu
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai JiaoTong University School of MedicineShanghaiP. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghaiP. R. China
| | - Tongxin Ge
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai JiaoTong University School of MedicineShanghaiP. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghaiP. R. China
| | - Shaoyun Wang
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai JiaoTong University School of MedicineShanghaiP. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghaiP. R. China
| | - Shengfang Ge
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai JiaoTong University School of MedicineShanghaiP. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghaiP. R. China
| | - Peiwei Chai
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai JiaoTong University School of MedicineShanghaiP. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghaiP. R. China
| | - Renbing Jia
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai JiaoTong University School of MedicineShanghaiP. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghaiP. R. China
| | - Xianqun Fan
- Department of OphthalmologyShanghai Ninth People's HospitalShanghai JiaoTong University School of MedicineShanghaiP. R. China
- Shanghai Key Laboratory of Orbital Diseases and Ocular OncologyShanghaiP. R. China
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