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Oct-4 and Sox-2 localization in MSCs. Immunohistochemical staining of rBMSCs (A), hBMSCs (B), rASCs (C), and hASCs (D). Cells were fixed, permeabilized, and stained to visualize Oct-4 and Sox-2. Distribution and localization of these transcription factors exhibited at passage 1 and 20 each MSC types. Merge panel showed co-localization of these two proteins.
