Intradiscal Injection of Induced Pluripotent Stem Cell-Derived Nucleus Pulposus-Like Cell-Seeded Polymeric Microspheres Promotes Rat Disc Regeneration

Figure 6

H&E and S-O staining of the disc samples. (a) Representative H&E staining of disc samples from different groups at 4, 8, 16, and 24 weeks after injection (scale ). (b) Representative S-O staining of disc samples from different groups at 4, 8, 16, and 24 weeks after injection (scale ). (c) Histological scores of the five groups at 24 weeks postinjection. , vs. the NC group; , vs. the GMN group.

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(b)

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