CNN3 is highly expressed in the brain (Junghans and Herzog, 2018), cancers (Hong et al., 2019; Nair et al., 2019; Xia et al., 2020), smooth muscle (Ma et al., 2020), and human placenta cytotrophoblasts (Shibukawa et al., 2010; Appel et al., 2014). This evidence concerns the gene CNN3 and cancer.