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Fig. 1 | Arthritis Research & Therapy

Fig. 1

From: PTH (1-34) enhances the therapeutic effect of bone marrow mesenchymal stem cell-derived exosomes by inhibiting proinflammatory cytokines expression on OA chondrocyte repair in vitro

Fig. 1

Characterization of ExoBMSC and ExoPTH. A. Size distribution of ExoBMSC and ExoPTH is indicated by nanoparticle tracking analysis. B Representative transmission electron microscopy images of ExoBMSC and ExoPTH (scale bar = 100 nm). C Positive staining for the exosome markers CD9 and TSG101 was observed for ExoBMSCs and ExoPTH, as determined by Western blotting. D Dil-labeled exosomes (red fluorescence) were used to observe exosome uptake by chondrocytes. ExoBMSC: Exosomes derived from BMSCs; ExoPTH: exosomes derived from PTH-preconditioned BMSCs; BMSCs: bone marrow mesenchymal stem cells

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Arthritis Research & Therapy

ISSN: 1478-6362

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