1·VEGF was mainly secreted by hepatocytes, and was also positively expressed in liver sinusoid endothelial cells, fat-storing cells, myofibroblast and monomorphic nucleus cells.
VEGF主要由肝细胞分泌，其次在肝窦内皮细胞、贮脂细胞、成肌纤维细胞及单型核细胞也示阳性。