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Detection of K3/K12 expression using immunohistochemistry (×100). (A) Normal corneal epithelial cells with K3/K12 expression; (B) corneal epithelial defect; (C) the amniotic membrane transplantation group. A small number of cells on the surface had positive expression; (D) the rADSCs transplantation group. K3/K12 expression was negative. rADSC, rabbit adipose tissue-derived stem cell.
