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Neural damage in hippocampus. (A) Apoptosis in hippocampus was evaluated in CA1 lesion using TUNEL staining at day 3. Apoptotic cells were significantly decreased in the exosome group compared with that of PBS group. (B) Neural degeneration was observed in CA1 lesion using Fluoro-Jade C staining at day 7. Exosome group exhibited significantly less degenerated neural cells compared with PBS group. Bar = 100 μm, *: p < 0.05.
