Figure 1.

Scheme of time line of the procedure used. All rats were ovariectomized and let them recover for two weeks before any procedure was made. All experimental groups were pre-treated with 17 beta estradiol (E2) (25 μg/kg) for two weeks before A-β25–35 injection in HIPP or OB. 8 or 15 days + E2 groups received one or two weeks respectively additional injections of E2. Olfactory tests and brain extraction were carried out 24 h, 8 or 15 days after A-β25–35 injection.

Bernal-Mondragón et al. BMC Neuroscience 2013 14:104   doi:10.1186/1471-2202-14-104
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