Injectable Hydrogel Combined with Nucleus Pulposus-Derived Mesenchymal Stem Cells for the Treatment of Degenerative Intervertebral Disc in Rats
HE, S-O, and toluidine blue staining of different groups. (a) Representative HE staining at 4 and 8 weeks after injection. (b) Representative S-O staining at 4 and 8 weeks after injection. (c) Representative toluidine blue staining at 4 and 8 weeks after injection. The H-gel+cell group is the hydrogel+cell group. White scale , black scale .
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