Research Paper Volume 15, Issue 23 pp 14172—14191

Gypenoside IX restores Akt/GSK-3β pathway and alleviates Alzheimer’s disease-like neuropathology and cognitive deficits

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Figure 6. Effect of GP on neuronal apoptosis in the hippocampus of STP Rats. (A) Representative TUNEL-positive cells (green) in hippocampal CA3 region. Nuclei were stained with DAPI (in blue). Scale bar = 200 μm. (B) Quantification of the TUNEL/DAPI using ImageJ software. (CF) Representative images and quantitative analysis of Western blotting for Bcl-2, Bax, and caspase-3 in the hippocampus after normalization to the β-actin signal. Data represent mean ± SEM, p-value significance is calculated from one-way ANOVA, n = 3. *p < 0.05, **p < 0.01, ***P < 0.001 and ****P < 0.0001.