Figure 2

GST-π expression in epileptic group and control group. Immunohisochemistry was performed to detect GST-π expression in brain cortex sections with biotin streptavidin-HRP method. Endothelial cells were indicated with black arrow and glial cells/astrocytes were indicated with white arrow. (A, B) GST-π protein expression in temporal subcortex white matter from an epileptic patient with hippocampal sclerosis. Positive GST-π staining was mainly found at the cytoplasm of astrocyte-like cells and capillary endothelial cells (A, magnification ×100; B, magnification ×200). (C,D) GST-π protein expression in temporal subcortex white matter from an epileptic patient with arteriovenous malformations. Immunostaining is in the cytoplasm of astrocyte-like cells and capillary endothelial cells (C, magnification ×100; D, magnification ×200). (E, F) GST-π protein expression in temporal subcortex white matter from a patient of control group. Immunostaining is in capillary endothelial cells and some glial cells (E, magnification ×100; F, magnification ×200). (G) GST-π protein expression in brain from an epileptic patient with hippocampal sclerosis. Immunostaining is not detected in gyrus dentatus of hippocampus. (magnification ×100).