ENSG00000290820 and gastric cancer: QRT-PCR analysis revealed that OR3A4 was highly expressed in 7 different gastric cancer cell lines (SNU-16, AGS, SNU-1, KATOIII, MKN45, NCI-N87, and SGC7901) and 1 immortalized gastric mucosa cell line (GES-1) (Figure 3B).