Arvizo et al. (2013) also showed that 20 nm AuNPs reversed EMT by up‐regulating E‐Cadherin (E‐Cad), and down‐regulating Snail, N‐Cadherin, and Vimentin in three ovarian cancer cell lines (A2780, OVCAR5, and SKOV3‐ip). The gene discussed is CDH1; the disease is ovarian carcinoma.