VEGF基因治疗可克服单纯蛋白质治疗的缺点，因此人们考虑应用VEGF基因治疗。
VEGF gene therapy may overcome drawback of protein therapy , therefore we try to undertake gene therapy .
许多动物组织和体液中的一种单纯蛋白质，可溶于水。
A simple water-soluble protein found in many animal tissues and liquids .
单纯蛋白质