GPX1 and thyroid tumor: In particular, GPx1 expression and GPx activity were found to be higher in human thyroid tumors compared with normal thyroid tissue (https://www.cancer.gov/about-nci/organization/ccg/research/structural-genomics/tcga, accessed on 30 September 2022; https://www.gtexportal.org/home/aboutGTEx, accessed on 30 September 2022), [13,20,21].