
doi: 10.1111/ics.12249
pmid: 26119692
SynopsisObjectivesIn vitro reconstructed human epidermis is a powerful tool for both basic research and industrial applications in dermatology, pharmacology and the cosmetic field.MethodsBy growing keratinocytes of Chinese origin on a collagen matrix after a submerged culture followed by an air–liquid interface culture, an in vitro reconstructed Chinese human epidermis model was obtained. This Chinese epidermis model was further characterized.ResultsThe reconstructed human epidermis model (China EpiSkin model) exhibits morphological features similar to native skin and shows similar expression profile of proliferation (Ki67) and differentiation (K14 and K10 cytokeratins, filaggrin) markers. Corneodesmosomes, lamellar lipids, desmosomes, keratohyalin granules, keratin filaments and membrane‐coating granules are also observed at the ultrastructure level. Moreover, China EpiSkin model contains most of the major lipid classes normally found in the native skin and potentially could present the properties of skin barrier. More importantly, the model production achieves high reproducibility and low intra‐ and inter‐batch variations.ConclusionThis is the first reconstructed Chinese human epidermis model reported to meet the high quality standard with industrialized production criteria. This China EpiSkin model can be used for both skin research and safety assessment in vitro.
China, Epidermal Cells, Microscopy, Electron, Transmission, Humans, Reproducibility of Results, Cell Differentiation, Epidermis, Filaggrin Proteins, Models, Biological, Cells, Cultured
China, Epidermal Cells, Microscopy, Electron, Transmission, Humans, Reproducibility of Results, Cell Differentiation, Epidermis, Filaggrin Proteins, Models, Biological, Cells, Cultured
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