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Nuclear factor kappa B (NF-κB) expression in the mouse hippocampus (immunohistochemical staining, × 200). Yellow staining represents protein expression.
(A) In the sham-surgery group, NF-κB was widely expressed.
(B) In the model group, NF-κB expression was lower than in the sham-surgery group.
Ketamine treatment after cerebral ischemia (C) or after ischemia/reperfusion (D) did not significantly affect NF-κB expression, which was similar to that in the model group.
