For late IUGR, there was an increase in plasma levels of Apolipoprotein A-IV (APOA4), Biotinidase (BTD), Fibrinogen gamma chain (FGC), Gelsolin (GSN), Glutathione peroxidase 3 (GPX3), Plasminogen (PLG), and Retinol-binding protein 4 (RBP4). The gene discussed is RBP4; the disease is fetal growth restriction.