Figure 5

Photomicrographs of hippocampal regions (CA1, CA3, DG, and hilus) of Proechimys guyannensis with significantly different receptor co-localisations. Sections processed for(a) ER-beta (red) and mGluR2/3 (green) immunofluorescence (b) ER-beta (red) and GABAB (green) immunofluorescence; (c) ER-alpha (red) and mGluR2/3 (green) immunofluorescence; (d) ER-alpha (red) and GABAB (green) immunofluorescenc; (e) progesterone (red) and mGluR2/3 (green) immunofluorescence; (f) progesterone (red) and GABAB (green) immunofluorescence in NOVX Proechimys. Sections processed for (g) ER-alpha (red) and GABAB (green) immunofluorescence; (h) progesterone (red) and mGluR2/3 (green) immunofluorescence; (i) and progesterone (red) and GABAB (green) immunofluorescence in OVX Proechimys. CTR: Control; NOVX: Non-ovariectomised animals. OVX: Ovariectomised animals. Scale bars = 100 μm.