485 Hammes HP, Lin JH, Bretzel RG, Brownlee M, Breier GUpregulation of the vascular endothelial growth factor vascular endothelial growth factor receptor system in experimental background diabetic retinopathy of the ratDIABETES. 1998 MAR; 47 (3): 401-406. This evidence concerns the gene VEGFA and diabetic retinopathy.