Given that the upregulation of the tumor suppressor heat shock protein 4 (HLJ1) mediated by JunD, an activator protein (AP‐1) component,18, 19 can inhibit the migration and invasion of cancer cells via E‐cadherin,20 we examined the impact of TP73‐AS1 on the expression of these proteins. This evidence concerns the gene TP73 and cancer.