The critical role of m^(6)A methylation in the pathogenesis of Graves'ophthalmopathy

查看全文 作　　者：Li [1]Zhu;Siyan [1]Li;Shikun [1]He;Qizhe [1]Tong;Lejin [1]Wang;Xiaohua [2]Li;Xi [1]Wu;Qingyu [1]Meng;Enzhong [1]Jin;Chuan [1]Zhang;Tianyuan [1]Li;Ningda [1]Xu;Lvzhen [1]Huang;Yi [1]Wang;Mingwei [1]Zhao

机构地区：[1]Department of Ophthalmology,Peking University People’s Hospital,Eye Diseases and Optometry Institute,Beijing Key Laboratory of Diagnosis and Therapy of Retinal and Choroid Diseases,College of Optometry,Peking University Health Science Center,Xizhimen South Street 11,Xi Cheng District,Beijing 100044,China;[2]Henan Provincial People’s Hospital and Henan Eye Hospital,Zhengzhou,China

出　　处：《Eye and Vision》索引2020年第7卷第1期,共10页

基　　金：This work was supported by grants from the National Natural Science Foundation of China(grant nos.81770943 and 81873681);the Beijing Municipal Science and Technology Commission(Capital Char-acteristic Clinic Applied Research Project,Z161100000516037). 摘　　要：Purpose:To investigate the role of N6-methyladenosine(m^(6)A)RNA modification in the pathogenesis of Graves'ophthalmopathy(GO).Methods:Surgically excised extraocular muscles from 7 patients with GO and 5 subjects without GO were used.The global m^(6)A levels in the specimens were determined using an m^(6)A RNA methylation quantification kit.RNA sequencing(RNA-seq)was used to analyze the molecules involved in the regulation of m^(6)A RNA methylation and the differential expression of mRNAs between the two groups(4 eyes,respectively).The expression of m^(6)A RNA modification genes was evaluated by real-time PCR.The functional implications of the gene alterations between the GO and control specimens were determined by Gene Ontology analysis.Results:The m^(6)A level was significantly increased in the specimens of GO patients compared to the control specimens(P<0.05).The expression of m^(6)A methylation regulators,such as WT1 associated protein(WTAP),alkylation repair homolog protein 5(ALKBH5),E74 like ETS transcription factor 3(ELF3),YTH N6-methyladenosine RNA binding protein 2(YTHDF2),YTHDF3 and YTH domain containing 2(YTHDC2),was significantly upregulated(P<0.05).Gene Ontology enrichment analysis showed that the most highly upregulated genes and biological pathways were related to the immune response and inflammatory processes such as lymphocyte activation,leukocyte differentiation,cytokine production and cytokine-mediated signaling pathways.Conclusions:Our results suggest that m^(6)A methylation may play a critical role in the pathogenesis of GO and that targeting genes that regulate m^(6)A methylation may provide a new therapeutic approach for GO. 关键词：m^(6)A methylation Graves'ophthalmopathy PATHOGENESIS RNA-seq

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The critical role of m^(6)A methylation in the pathogenesis of Graves'ophthalmopathy

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