AHR and breast cancer: The only available studies examining the involvement of AhR in the mechanisms of action of phthalates were performed with DEHP and BBP in human breast cancer and endometrial cells and with a luciferase reporter gene assay (Bredhult et al. 2007; Krüger et al. 2008; Hsieh et al. 2012; Mankidy et al. 2013).