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- W4280496541 abstract "Abstract Background: Epigenetic reprogramming has been reported to play a critical role in the progression of thyroid cancer (TC). RNA methylation accounts for more than 60% of all RNA modifications, and N6-methyladenosine (m6A) is the most common modification of RNAs in higher organisms. The purpose of this study was to explore the related modification mode of m6A regulators construction and its evaluation on the clinical prognosis and therapeutic effect of TC. Materials and methods: The levels of 23 m6A regulators in The Cancer Genome Atlas (TCGA) were analyzed. Differentially expressed genes (DEGs) and survival analysis were performed based on TCGA-THCA clinicopathological and follow-up information, and the mRNA levels of representative genes were verified using clinical TC data. In order to detect the effects of m6A regulators and their DEGs, consensus cluster analysis was carried out, and the expression of different m6A scores in Tumor Mutation Burden (TMB) and immune double antibodies (PD-1 antibody and CTLA4 antibody) were evaluated to predict the correlation between m6A score and TC tumor immunotherapy response. Results: Different expression patterns of m6A regulatory factors were detected in TC tumors and normal tissues, and several prognosis related m6A genes were obtained. Two different m6A modification patterns were determined by consensus cluster analysis. Two different subgroups were established by screening overlapping DEGs between two m6A clusters, with cluster A having the best prognosis. According to the m6A score extracted from DEGs, TC patients can be divided into high and low score subgroups. Patients with lower m6A score have longer survival time and better clinical features. The relationship between m6A score and Tumor Mutation Burden (TMB) and its correlation with the expression of PD-1 antibody and CTLA4 antibody proved that m6A score could be used as a potential predictor of the efficacy of immunotherapy in TC patients. Conclusion: We screened DEGs from cluster m6A and constructed a highly predictive model with prognostic value by dividing TCGA-THCA into two different clusters and performing m6A score analysis. This study will help clarify the overall impact of m6A modification patterns on TC progression and formulate more effective immunotherapy strategies." @default.
- W4280496541 created "2022-05-22" @default.
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- W4280496541 date "2022-05-17" @default.
- W4280496541 modified "2023-10-06" @default.
- W4280496541 title "Thyroid cancer risk prediction model using m6A RNA methylation regulators: integrated bioinformatics analysis and histological validation" @default.
- W4280496541 doi "https://doi.org/10.21203/rs.3.rs-1621649/v1" @default.
- W4280496541 hasPublicationYear "2022" @default.
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