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Immunocytochemical staining showing expression and localization of α-SMA (green) in equine keratocytes, fibroblasts and myofibroblasts. Nuclei are stained blue by DAPI. Negative staining in keratocytes (a), sparsely positive in fibroblasts (b) and abundantly positive in myofibroblasts (c). Bar = 100 μm.
