FABP1 and lung cancer: We measured the difference in expression profiles of FABPs (FABP1/4/5) among six human cell lines, including human liver cancer cell line (Huh7.5), human lung cancer cell line (A549), human umbilical vein endothelial cell (HUVEC), normal human fetal lung fibroblast (WI38), human liver cancer cell line (Bel-7402), and normal human liver cells (LO2).