ZFAS1 is repressed by the tumor-suppressor protein p53, and also regulated through p53-induced microRNAs (miR-135b-5p, miR-193a-3p, and miR-34b) that downregulate ZFAS1 and decrease the proliferation of thyroid cancer cells [22]. The gene discussed is TP53; the disease is thyroid gland carcinoma.