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Localization of HA and CD44 receptors on confluent monolayers of primary human corneal epithelial cells after treatment with complete keratinocyte serum free medium with growth factors (no treatment, control), MSC‐S, HA/CS, MSC‐S in HA/CS after (A): 8 hours and (B): 24 hours. The localization of HA at the cell membranes suggests binding to CD44 (scale bar 20 μm). Abbreviations: CS, chondroitin sulfate; HA, hyaluronic acid; MSC‐S, mesenchymal stem cells secretome.
