UHRF1 and thyroid gland carcinoma: In order to study the role of UHRF1 in thyroid cancer, especially the ATC, we searched the public data in NCBI (GEO) and selected two microarray chips, GSE9115 [29], which contained 4 normal thyroid tissues, 9 PTC and 5 ATC samples, and GSE33630 [30, 31], which contained 45 normal thyroid tissues, 49 PTC and 11 ATC samples.