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Integrative analysis of DNA methylation and gene expression identified follicular thyroid cancer-specific diagnostic biomarkers [Methylation]

ABSTRACT: Integrative analysis of DNA methylation and gene expression identified follicular thyroid cancer-specific diagnostic biomarkers [Methylation]

PROVIDER: PRJNA812524 | ENA |

REPOSITORIES: ENA

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Integrative analysis of DNA methylation and gene expression identified follicular thyroid cancer-specific diagnostic biomarkers [Methylation]

Project description:The diagnosis of follicular thyroid carcinoma (FTC) prior surgical resection remains a challenge, as routine screening methods, such as ultrasound or even FNAB, could not diagnose FTC preoperatively. Here, we performed an integrative analysis of DNA methylation and RNA assays data from our own cohort (14 Follicular thyroid carcinoma vs 16 Benign thyroid lesion) to identify thyroid cancer-specific DNA methylation markers. We first identified differentially methylated and expressed genes and examined their correlations. Candidate DNA methylation sites were selected and further verified in validation set. Among all candidate methylation sites, cg06928209 was the most promising site as a molecular marker for early diagnosis, with a sensitivity of 90%, a specificity of 80% and an AUC of 0.77. Overall, our study demonstrates the potential use of methylation markers in FTC diagnosis and may boost the development of new epigenetic therapies.

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Epigenetic profiling of Follicular thyroid adenomas and carcinomas using high content DNA methylation arrays

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