Fig. 2From: Possible mechanism of Vitis vinifera L. flavones on neurotransmitters, synaptic transmission and related learning and memory in Alzheimer model ratsExpression of BDNF in the hippocampus of rat in different groups (n = 9) with high (Immunohistochemistry × 400) magnification were shown. Hippocampus tissues were collected from control group (a), model group (b), donepezil group (c), low-dose VTF group (d), medium-dose VTF group (e), and high-dose VTF group (f)Back to article page