Fig. 3From: Effects of Kaixinjieyu, a Chinese herbal medicine preparation, on neurovascular unit dysfunction in rats with vascular depressionTUNEL assay for analysis of apoptotic cells in brain tissues. a TUNEL assay of brain tissues. Cells with shrunken brown stained nuclei were considered positive. The TUNEL-positive cells were mainly observed in cortex. Scale bar: 50 μm. b Quantitative analysis of TUNEL-positive cells. ##P < 0.01 vs. VD group; ***P < 0.001 vs. sham groupBack to article page