• Department of Thyroid Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, P. R. China;
YIN Detao, Email: detaoyin@zzu.edu.cn
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Objective To understand the molecular mechanisms underlying the carcinogenesis and progression of papillary thyroid carcinoma (PTC), and provide candidate targets for diagnosis and treatment of PTC.Methods To identify the differentially expressed genes (DEGs) in the carcinogenesis and progression of PTC, the study was carried by analyzing the microarray datasets downloaded from gene expression omnibus (GEO) database, and making a series of studies including the protein-protein interaction network, KEGG and GO enrichment analyses of DEGs.Results A total of 339 DEGs and 10 hub genes were identified. While the expression of KIT was downregulated in the samples of PTC, the figures for FN1, CCND1, TIMP1, ICAM1, APOE, MET, RUNX2, KRT19 and SERPINA1 were upregulated. After the hypothesis test was corrected by multiple tests, the results showed that the changes of APOE [false discovery rate (FDR)=0.047 5] and KIT (FDR=0.042 0) gene expression had a certain impact on recurrence free survival (RFS) of PTC patients, which was statistically significant.Conclusions Survival analysis showed that FN1, ICAM1, APOE, MET, KRT19, KIT and SERPINA1 may be involved in the carcinogenesis or prognosis of PTC. However, further studies are needed to elucidate the biological function of these genes in PTC.

Citation: AO Wei, YIN Detao. Screening key biomarkers in papillary thyroid carcinoma: evidence from bioinformatic analysis. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2021, 28(3): 329-335. doi: 10.7507/1007-9424.202006044 Copy

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