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SIRT1 expression in nuclear (A,B) and cytoplasmic (C,D) fractions of penumbra tissue 4 or 24 h after photothrombotic stroke in the cerebral cortex of rats. One-way ANOVA. M ± SEM. n = 7. *p < 0.05 compared to sham-operated animals, #p < 0.05 compared to the contralateral cerebral cortex of the same animals.
