ESRRG and breast cancer: Short-term exposure to BPA induces the expression of ERRγ mRNA and protein in various cell lines, including those of lung cancer, breast cancer, adipocytes, hepatocytes and zebrafish (Héliès-Toussaint et al 2014; Ryszawy et al 2020; Song et al 2015; Tohmé et al 2014; Zhang et al. 2016).