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Schematic illustration of the structure of nanogel and its treatment in SCI. (A) Showing the preparation process of Rolipram loaded nanogel. (B) Showing that the nanogels were more likely to be uptaken by the astrocytes. (C) Spinal cord sections stained with anti-GFAP presented a significant reduction of hypertrophic astrocytes in the lesion site in the treated group. Copyright 2020 ACS Nano [130].
