• Mihai Saftencu, Cornelia Braicu, Roxana Cojocneanu, Mihail Buse, Alexandru Irimie, Doina Piciu, and Ioana Berindan-Neagoe.
• Faculty of Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca 40015, Romania.
• Medicina (Kaunas). 2019 Aug 19; 55 (8).

AbstractBackground and objectives: Papillary thyroid carcinoma is the most frequent variety of all malignant endocrine tumors. It represents a heterogeneous malignancy with various clinical outcomes, emphasizing the need to identify powerful biomarkers with clinical relevance. Materialsand Methods: Available gene expression data (level 3) for thyroid cancers were downloaded from the Cancer Genome Atlas (TCGA), followed by bioinformatic analyses performed on the data set. Results: Based on gene expression analysis, we were able to identify common and specific gene signatures for the three main types of papillary thyroid carcinoma (classical, follicular variant, and tall-cell). The survival rate was not significantly different among the main subtypes, but we were able to identify a biological adhesion signature with impact in patient prognostic. Conclusions: Taken together, the gene expression signature and particular adhesion signature, along with ITGA10 and MSLN in particular, could be used as a prognostic tool with important clinical relevance.

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