The VSIG1 gene is expressed in the normal testis and stomach, as well as in esophageal, ovarian, and gastric cancers (Oidovsambuu et al., 2011; Inoue et al., 2017), the TEX13B that is expressed in the testis during spermatogonia (Wang et al., 2001). The gene discussed is TEX13B; the disease is gastric cancer.