“Significance of glutathione peroxidase 1 and caudal-related homeodomain transcription factor in human gastric adenocarcinoma,” J. J. Han et al. demonstrated GPX1 and CDX2 might participate in the carcinogenesis, differentiation, and progression of gastric adenocarcinoma, and CDX2 might be an independent prognostic factor. The gene discussed is GPX1; the disease is gastric adenocarcinoma.