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Chronic oral application of a periodontal pathogen results in brain inflammation, neurodegeneration and amyloid beta production in wild type mice

Fig 5

The level of NeuN expression is lower in experimental mice compared with control mice (A-C). Images (A &B) are representative of NeuN detected by immunofluorescence microscopy and graph (D) is result from rbFOX3 gene expression analysis. (A) Hippocampus section from a control mouse. Insets show NeuN+ cells in CA1 and DG regions. (B) Hippocampus section from an experimental mouse. Insets show sparse NeuN+ cells in the CA1 and DG regions in experimental mouse. (C) The number of NeuN+ cells counted in CA1 and DG in representative 50μm X 100 μm rectangular areas. C: Control, E: Experimental. Green: NeuN, Blue: DAPI. (C) % NeuN+ cells in CA1 and DG regions (DAPI+ NeuN+/ DAPI+). Five fields per mouse counted. N = 10 for control and N = 9 for experimental group. (D) NeuN (rbFOX3) gene expression in control and experimental mice determined by RT-qPCR. N = 10 for control and N = 9 for experimental group.

Fig 5

doi: https://doi.org/10.1371/journal.pone.0204941.g005