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題 名 | 退化性牙釉上皮之型態性平衡=Morphological Homeostasis on the Reduced Enamel Epithelium |
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作 者 | 黃茂栓; 郭倍榮; 王敦正; 許政成; 蘇柏誠; | 書刊名 | 中華民國口腔顎面外科學會雜誌 |
卷 期 | 13:2 2002.09[民91.09] |
頁 次 | 頁83-91 |
分類號 | 416.93 |
關鍵詞 | 退化性牙釉上皮; 細胞角質分子; Reduced enamel epithelium; Cytokeratin; |
語 文 | 中文(Chinese) |
中文摘要 | 目的:希望經由型態學上的觀察,來加以闡述退化性牙釉上皮組織與胞外間質組織的存在性生理平衡;再經由組織型態之表達,進而了解退化性牙釉上皮細胞之本質。 研究設計:實驗標本均選自經臨床診斷,罹患阻生智齒區域之軟組織含有退化性牙釉上皮細胞。依正常醫療處理程序蒐集六十份檢體,年齡範圍介於二十歲到六十歲間,性別涵蓋男性及女性。所獲得的檢體依一般組織檢查、PAS特殊染色及組織免疫染色方法,進行處理及分析。結果判讀利用裝配Apo Plan 接物鏡之Nikon Eclipse E-600顯微鏡為之。所得數據影像則以Nikon Coolpix 995之數位相機儲存。 結果:由組織學角度分析阻生齒放射影像之透明區域,得知其囊狀組織周邊,大多呈現多層扁平上皮及纖維化之結締組織。由免疫螢光反應得知上皮細胞對細胞角質分子 (K5,K7,K8) 和細胞核增殖活性因子 (Ki 67) 之表達很弱甚至沒有反應。此外上皮細胞和間質組織的含糖基分子對PAS染色呈現很弱甚至沒有反應。 結論:從組織學觀點來看,退化性牙和上皮組織對誘導細胞的再生、增生或化生之能力以及胞外結締組織之動態性能量供給都很弱。 |
英文摘要 | OBJECTIVE: To evaluate epithelial-mesenchymal interactions in morphological homeostasis through a histological-orientated observation on the reduced enamel epithelium. STUDY DESIGN: Specimens were taken from impacted molar sites in 60 patients using the surgery. These were processed using a series of standard histological, pathological and biochemical techniques. Slides were observed with a Nikon Eclipse E-600, Plan Apo piece equipped, Microscopy, and photographed by a Nikon Coolpix 995 digital camera. RESUL TS: The radiolucent lesions displayed that the cystic wall were consisted with fibrous connective tissue and lined with uneven layers of stratified squamous epithelium histologically. The immune studies with antibodies to the human cytokeartin K5, K7, CAM 5.2 (K8), and human Ki67, disclosed weakly to negative expressions in the epithelial layers only. Besides, the periodic acid schiff stain (PAS) displayed also negatively to the epithelium and weakly to the connective tissue. CONCLUSION: The specimen proposes that the reduced enamel epithelial components have a very low capacity for the cellular adaptation histologically. |
本系統中英文摘要資訊取自各篇刊載內容。