Research Article

Cognitive-Enhancing Effect of Quercetin in a Rat Model of Parkinson's Disease Induced by 6-Hydroxydopamine

Figure 3

Effect of quercetin on neuron density in various subregions of the hippocampus (a = CA1; b = CA2; c = CA3; d = Dentate gyrus) in an animal model of Parkinson’s disease induced by 6-OHDA. Scale bars 50 μm, the magnification was 40X. Data were expressed as mean ± S.E.M. for 8 rats in each group. *P < 0.05; **P < 0.01; ***P < 0.001 compared to control; #P < 0.05; ##P < 0.01 compared to the vehicle + 6-OHDA-treated group.
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