For instance, Zhang et al. found that the ciRS-7 promoted tumor cell growth and metastasis in OC, via regulating zinc finger E-box binding homeobox 1 (ZEB1) and mouse double minute 2 homolog (MDM2)-mediated epithelial–mesenchymal transition (EMT) by sponging miR-641. The gene discussed is ZEB1; the disease is neoplasm.