Immunohistochemical staining of neuroserpin in brain 48 hours after reperfusion.

Panel A shows the area of penumbra, panel B shows a similar area of the cortex contralateral to the stroke and panels C and D show the hippocampus. Panels A and C are ipsilateral to the stroke and panels B and D are contralateral (magnification × 100 in A and B and × 40 in C and D).