사기질모세포종에서 Cytokeratin 아형과 Vimentin의 발현

• 영문명: EXPRESSION OF CYTOKERATIN SUBTYPES AND VIMENTIN IN AMELOBLASTOMA
• 발행기관: 대한구강악안면외과학회
• 저자명: 강미선(Mi-Seon Kang) 윤혜경(Hye-Kyoung Yoon) 김우형(Woo-Hyung Kim) 최수임(Soo-Im Choi)
• 간행물 정보: 『대한구강악안면외과학회지』대한구강악안면외과학회지 제31권 제4호, 316~321쪽, 전체 6쪽
• 주제분류: 의약학 > 내과학
• 파일형태: PDF
• 발행일자: 2005.08.30

영문 초록

Ameloblastoma is the most common odontogenic tumor of the jawbones, but the origin of this tumor has been remained to be unproven. Cytokeratins(CKs) are specific intermediate filament of epithelial cells, and vimentin is expressed in mesenchymal cells. The immunohistochemical detection of different CKs and vimentin has made it easier to know the origin of tumor. Paraffin-embedded tissue sections from 15 ameloblastomas and 1 ameloblastic carcinoma were used for immunohistochemical evaluation of CK 7, 8, 13, 14, 19 and vimentin. Their expression is evaluated in different tumor cells, which are observed in different type of tumors. In the follicular and reticular subtype, central stellate cells of tumor nests expressed CK 8, 14, 19 and peripheral columnar cells expressed CK 14. CK 7, and 13 were not expressed. Vimentin was detected in fibrous stroma around tumor nest, not in tumor cells. The tumor cells of ameloblastic carcinoma expressed CK 7, 14 and 19, but CK 8 was more weakly stained than that in ameloblastoma. Central stellate cells and peripheral columnar cells of acanthomatous subtype showed same expression pattern with others. Meta plastic squamous cells expressed CK 8, 14, 19 and keratinizing squamous cells expressed CK 13, 19. CK 7 and vimentin were not detected in tumor cells and vimentin was expressed in fibrous stroma. Most of the tumor cells of ameloblastoma showed CK 14 and CK 19 and did not express CK 7 and vimentin. These findings were similar to the immunophenotype of dental lamina. And these results will be beneficial to differential diagnosis of odontogenic tumors and other kind of tumors arising at the oral cavity.

키워드

Ameloblastoma Cytokeratin Vimentin