Fig. 1
From: Quercetin-primed MSC exosomes synergistically attenuate osteoarthritis progression
Analysis of Gu Bao Wan and the characterization of Que-Exo. (A) Mass spectrometry results showing the composition and content of compounds in Gu Bao Wan. (B) Calibration curve for quercetin used for quantification. (C) Mass spectrometry peak for quercetin. (D) Schematic diagram illustrating the process of quercetin pre-treatment of BMSCs for 24 h followed by exosomes extraction. (E) TEM image of the Que-Exo. (F) Particle size distribution of Que-Exo. (G) Zeta potential of Que-Exo. (H) Western blot analysis of exosomes markers CD81 and CD63. The data are presented as mean ± SD