AHR and oral cavity squamous cell carcinoma: It has been reported that TCDD, BAP, pyocyanin, indoxyl sulfate, and other agonists can induce the migration and invasion of human breast cancer MDA-MB-231, Hs578T, SUM149 cells, oral squamous cell carcinoma via activating the AhR signaling pathway (Stanford et al., 2016; Narasimhan et al., 2018; Shadboorestan et al., 2019).