Objective： To approach the effect of Naotangfang extracts on expression of vascular endothelial growth factor （VEGF） after focal cerebral infarct in rats. Methods： 30 Sprague-Dawley （SD） rats were randomly divided into 6 groups： sham operation group, model group, Naotaifang extract groups （low, middle, and high dosage）, and Naofukang group. Some indexes were detected such as neurological scores, VEGF rnRNA expression by RT-PCR, and the number of VEGF positive cells by immunohistochemical methods. Results： The symptoms in nervous funct...
