Objective: The aim of this study is to investigate the potential bene ts of Gelam honey (GH) in promoting proliferation of ex vivo cor- neal epithelial cells (CECs) and its effects on the phenotypical features.
Materials And Methods: Corneal epithelial cells were isolated from the corneas of rabbits (n = 6). The optimal dose of GH for CEC proliferation in both basal medium (BM) and cornea medium (CM) was determined via MTT (3-[4, 5-dimethyl thiazolyl-2]-2, 5-diphenyl tetrazolium bro- mide) assay. Morphology, gene and protein expressions, and cell cycle analysis of CECs were evaluated via phase contrast microscopy, real- time polymerase chain reaction, immunocytochemistry, and ow cytom- etry, respectively.
Results: Corneal epithelial cells cultured in 0.0015% GH-supplemented media (BM + 0.0015% GH; CM + 0.0015% GH) demonstrated optimal proliferative capacity with normal polygonal- shaped morphology. Gelam honey potentiates cytokeratin 3 (CK3) gene expression in accordance with the cytoplasmic CK3 protein expression while retaining normal cell cycle of CECs.
Conclusion: Culture media treated with 0.0015% GH increased CEC proliferation while preserving its phenotypical features. This study demonstrated the potential devel- opment of GH-based topical treatment for super cial corneal injury.
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