TCEAL4 and gastric cancer: A real-time quantitative PCR was performed on normal gastricepithelial cell line GES1 and gastric cancer cell lines including AGS, MKN45, MGC803, SGC7901 and HGC27 to determine the mRNA levels of TCEAL1, TCEAL3, TCEAL4, TCEAL5, TCEAL7 and TCEAL8.