ABSTRACT Selenium (Se) is an essential trace element and found to have important roles in maintaining normal growth and reproduction. The effect of Se on testicular steroidogenesis and testicular expression of vascular endothelial growth factor (VEGF) and nerve growth factor-beta (NGF-β) was studied in streptozotocin (STZ)- induced diabetic rats. The study included 45 male albino rats randomly divided into 3 ... إقراء المزيد