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CD44 expression in oral squamous cell carcinoma
Journal of the Korean Association of Oral and Maxillofacial Surgeons ; : 132-136, 2000.
Artigo em Coreano | WPRIM | ID: wpr-92330
ABSTRACT
The cell surface glycoprotein CD44 is a kind of adhesion molecule, which binds hyaluronic acid, type I collagen and fibronectin. Although there have been numerous reports on the expression and the function of CD44 in lymphocytes and macrophages, very little is known about its distribution and definite role in epithelial tissue, especially in oral epithelial one. The present study was performed to investigate the distribution and expression of the CD44 in human gingiva and squamous cell carcinoma(SCC) arising in human gingiva. And the authors compared CD44 expression with histopathologic grade of SCC. The results were as follows 1. The CD44 was strongly expressed in granular, spinous and basal layers of normal marginal and attached gingiva, in spinous and basal layers of normal sulcular gingiva, and in all epithelial layers of normal junctional gingiva. 2. In SCC of gingiva, the CD44 was expressed in all but one case. In most of the cases the CD44 was expressed at cell membrane and the degree of expression was relatively strong. 3. In low-grade SCC of gingiva, the CD44 was strongly expressed, especially at the basal and spinous layers of abundantly keratinized cancer nests. In high-grade SCC of gingiva, the CD44 expression tended to be weak but was strong at cells showing individual keratinization. This study suggest that the CD44 expression of normal and cancerous gingival epithelium is associated with the degree of proliferation and differentiation of epithelial cells.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Glicoproteínas de Membrana / Linfócitos / Carcinoma de Células Escamosas / Membrana Celular / Fibronectinas / Colágeno Tipo I / Células Epiteliais / Epitélio / Gengiva / Ácido Hialurônico Limite: Humanos Idioma: Coreano Revista: Journal of the Korean Association of Oral and Maxillofacial Surgeons Ano de publicação: 2000 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Glicoproteínas de Membrana / Linfócitos / Carcinoma de Células Escamosas / Membrana Celular / Fibronectinas / Colágeno Tipo I / Células Epiteliais / Epitélio / Gengiva / Ácido Hialurônico Limite: Humanos Idioma: Coreano Revista: Journal of the Korean Association of Oral and Maxillofacial Surgeons Ano de publicação: 2000 Tipo de documento: Artigo