OIP5 and thyroid gland carcinoma: In Figures 3A and S2A, TOP luciferase activity was considerably inhibited by OIP5-AS1 knockdown and promoted by OIP5-AS1 overexpression, whereas no significant change was showed in that of FOP group, indicating the activated function of OIP5-AS1 on Wnt/β-catenin signaling pathway in thyroid cancer.