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Neuro-Regenerative Choline-Functionalized Injectable Graphene Oxide Hydrogel Repairs Focal Brain Injury
K. Pradhan, G. Das, J. Khan, V. Gupta, S. Barman, A. Adak,
Published in American Chemical Society
PMID: 30427662
Volume: 10
Issue: 3
Pages: 1535 - 1543
Brain damage is associated with spatial imbalance of cholinergic system, which makes severe impact in recovery of damaged neurons of brain. Therefore, maintenance of cholinergic system is extremely important. Here, we fabricated an injectable hydrogel with acetylcholine-functionalized graphene oxide and poly(acrylic acid). Results revealed that this hydrogel is non-cytotoxic, promotes neurite outgrowth, stabilizes microtubule networks, and enhances the expression of some key neural markers in rat cortical primary neurons. Further, this hydrogel exhibits significant potential in neuro-regeneration and also promotes fast recovery of the sham injured mice brain. Moreover, we found significant enhancement of reactive astrocytes in the hippocampal dentate gyrus region of the sham injured brain, indicating its excellent potential in neural repair of the damaged brain. Finally, above results clearly indicate that this neuro-regenerative hydrogel is highly capable of maintaining the cholinergic balance through local release of acetylcholine in the injured brain, which is crucial for brain repair. © 2018 American Chemical Society.
About the journal
JournalData powered by TypesetACS Chemical Neuroscience
PublisherData powered by TypesetAmerican Chemical Society