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Fig. 4 | Stem Cell Research & Therapy

Fig. 4

From: Bone marrow mesenchymal stem cell-derived exosomes protect cartilage damage and relieve knee osteoarthritis pain in a rat model of osteoarthritis

Fig. 4

a Immunohistochemical staining of COL2A1 and MMP13 proteins in the cartilage tissue. Scale bar = 50 μm. b Detection of serum inflammatory factors in OA rats by ELISA. *< 0.05, **< 0.001, ***< 0.001, compared with the sham group. #< 0.05, ###< 0.001, compared with the OA group. n = 8 for each group

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Stem Cell Research & Therapy

ISSN: 1757-6512