LOX and gastric cancer: In addition, BAPN concentration was negatively correlated with the expression of PDGFR-α and PDGFR-β, in agreement with the findings of Lucero et al. When LOX was added to gastric cancer cell line BGC-823, the expression of PDGFR-α and PDGFR-β was increased, and it showed a positive dose-dependent manner.