Research Article

Proteomic Analysis Reveals Commonly Secreted Proteins of Mesenchymal Stem Cells Derived from Bone Marrow, Adipose Tissue, and Synovial Membrane to Show Potential for Cartilage Regeneration in Knee Osteoarthritis

Figure 6

Validation experiments of key protein expression under various knee OA conditions using ELISA: (a) human TSP-2; (b) human TSG-6. . ns: not significant (, three donors for each MSC type); N-CM: normal condition-conditioned medium; I-CM: inflammatory condition-conditioned medium.
(a)
(b)