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m6A相关基因在宫颈癌中的表达及临床分析

Expression and Clinical Analysis of m6A-related Genes in Cervical Cancer

  • 摘要: 为探讨宫颈癌(cervical cancer, CC)中N6-甲基腺苷(m6A)修饰相关基因的表达及临床意义,从GEO(Gene Expression Omnibus)数据库中下载3个宫颈癌mRNA表达相关的数据集,筛选出m6A相关基因(METTL3、METTL14、METTL16、WTAP、KIAA1429、RBM15、ZC3H13、FTO、ALKBH5、YTHDF1/2/3、YTHDC1、HNRNPA2B1、HNRNPC)在宫颈癌中的表达情况。对RBM15进行生物信息学分析,利用UALCAN分析RBM15表达与临床病理特征的关系,LinkedOmics数据库用于RBM15相关共表达基因分析,STRING构建蛋白质相互作用网络,利用Kaplan-Meier Plotter数据库分析RBM15与宫颈癌患者预后关系。GEO数据库差异分析结果显示RBM15在宫颈癌中的表达呈上升趋势(P<0.01),UALCAN分析RBM15表达与多个临床病理特征有关(P<0.05),LinkedOmics分析结果显示有460个基因与RBM15呈正相关,750个基因呈负相关(FDR<0.05),在STRING构建了RBM15蛋白质相互作用网络,生存分析结果显示RBM15基因低表达组的宫颈癌中位总生存时间高于高表达组的,但差异无统计学意义(HR=1.32,P=0.24)。本研究筛选了m6A相关基因在宫颈癌中的差异表达情况,并对RBM15进行生物信息学的分析,为RBM15在宫颈癌中的作用分析提供新的思路。

     

    Abstract: The aim of this study is to investigate investigate the expression and clinical significance of RBM15 of N6-methyladenosine(m6 A) modified genes in cervical cancer, three cervical cancer mRNA expression data sets were downloaded from the GEO database, and the expression of m6 A-related genes(METTL3, METTL14, METTL16, WTAP, KIAA1429, RBM15, ZC3H13, FTO, ALKBH5, YTHDF1/2/3, YTHDC1, HNRNPA2B1, HNRNPC) in cervical cancer was screened out. This study made some bioinformatics analysis of RBM15, including UALCAN analysis of relationship between RBM15 expression and multiple clinicopathological features, Linkedomics database was used for RBM15 correlation co-expression gene analysis, and STRING was used for constructing protein-protein interaction network(PPI), and finally using Kaplan-Meier Plotter database to analyze the relationship between RBM15 and the prognosis of cervical cancer patients. The GEO database difference analysis showed that the expression of RBM15 in cervical cancer was an increasing trend(P<0.01), the expression of UALCAN analysis was related to multiple clinicopathological features(P<0.05). The Linkedomics analysis showed that 460 genes were positively correlated with RBM15,750 genes were negatively correlated(FDR<0.05), and the RBM15 protein interaction network was constructed in STRING. The results of survival analysis showed that the median overall survival time of cervical cancer in the RBM15 gene low expression group was higher than that of the high expression group, but the difference was not statistically significant(HR=1.32, P=0.24). This study screened the differential expression of m6 A-related genes in cervical cancer, and provided a new idea for the analysis of RBM15 role in cervical cancer by further bioinformatics analysis.

     

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