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Role of fibroblasts in organotypic cultures of immortalized human oral keratinocytes
Journal of the Korean Association of Oral and Maxillofacial Surgeons ; : 211-220, 2007.
Article Dans Coréen | WPRIM | ID: wpr-26034
ABSTRACT

OBJECTIVE:

In organotypic culture of immortalized human oral keratinocytes (IHOK), the change of the growth and differentiation was investigated according to the fibroblast type and the involvement of mitogen-activated protein (MAP) kinase. MATERIALS &

METHODS:

IHOK was cultured three dimensionally with gingival fibroblast (GF), dermal fibroblast (DF) and immortalized gingival fibroblast (IGF). We characterized biologic properties of three dimensionally reconstructed IHOK by histological, immunohistochemical, and Western blot analysis. We also investigated whether MAP kinase pathway was involved in epithelial-mesenchymal interaction by Western blot analysis.

RESULTS:

The best condition of three dimensionally cultured IHOK was the dermal equivalent consisting of type I collagen and IGF. IGF increased the expression of more proliferating cell nuclear antigen (PCNA), involucrin than GF and DF in response to co-culture with IHOK. Extracellularly regulated kinase (ERK) pathway was activated in organotypic co-culture with IGF.

CONCLUSION:

The organotypic co-culture of IHOK with dermal equivalent consisting of type I collagen and IGF resulted in excellent morphologic and immunohistochemical characteristics and involved ERK pathway. The epithelial-mesenchymal interaction was activated according to the fibroblast type.
Sujets)

Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Phosphotransferases / Kératinocytes / Technique de Western / Antigène nucléaire de prolifération cellulaire / Techniques de coculture / Système de signalisation des MAP kinases / Collagène de type I / Fibroblastes Limites du sujet: Humains langue: Coréen Texte intégral: Journal of the Korean Association of Oral and Maxillofacial Surgeons Année: 2007 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Phosphotransferases / Kératinocytes / Technique de Western / Antigène nucléaire de prolifération cellulaire / Techniques de coculture / Système de signalisation des MAP kinases / Collagène de type I / Fibroblastes Limites du sujet: Humains langue: Coréen Texte intégral: Journal of the Korean Association of Oral and Maxillofacial Surgeons Année: 2007 Type: Article