<p>Effects of LPS (1 mg/kg/day) and propentofylline (12.5 mg/kg/day) on central glial fibrillary acidic protein (GFAP) expression. Photomicrographs of the medial prefrontal cortex, nucleus accumbens, and hippocampus analyzed by immunohistochemistry in adult male rats. SAL+SAL, saline injection at days 1–5 and another saline injection 1 h later at days 3–4; SAL+LPS, saline injection at days 1–5 and LPS injection 1 h later at days 3–4; PPF+LPS, propentofylline injection at days 1–5 and LPS injection 1 h later at days 3–4; PPF+SAL, propentofylline injection at days 1–5 and saline injection 1 h later at days 3–4.</p
