구강 편평세포암종과 법랑아세포종에서 Fas, Fas-L, FAP-1 발현에 관한 면역 병리학적 연구
(주)코리아스칼라
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서지정보
ㆍ발행기관 : 대한구강악안면병리학회
ㆍ수록지정보 : 대한구강악안면병리학회지 / 30권 / 2호
ㆍ저자명 : 정해산, 조재오
영어 초록
The purpose of this study was to evaluate the role of Fas, Fas-L, and FAP-1 expression in the oral squamous cell carcinomas and ameloblastomas. For this study, 10 subjects diagnosed as squamous cell carcinoma and 8 subjects of ameloblastoma referred to the Dept. of Oral Pathology, School of Dentistry, Kyung Hee University, 5 subjects of normal oral mucosa without any inflammatory changes were used as experimental, control groups respectively. All the tissues ; experimental and control group were fixed in neutral formalin solution and embedded in paraffin, serial tissue section were made 5㎛ in thickness and processed in the standard way for immunohistochemical method, using primary antibody against Fas, Fas-L, FAP-1, each was diluted at 1;100 followed by the super sensitive non- biotin horse radish peroxidase detection system with DAB as chormogen, counterstained with Gill's hematoxylin stain method , mounted. And examined under the biologic microscope with the criteria of -(no epithelial stain), +(weak or focal epithelial stain), ++(moderate or focal intensive epithelial stain), +++(intense generalized epithelial staining) for the epithelial, and connective tissue component in squamous cell carcinomas , ameloblastomas and normal oral mucosa on each. In normal oral epithelium, negative reaction was noted on the Fas . Fas-L stain, but on FAP-1 reaction, tumors cells with intense reaction on nuclei and cytoplasm or negative reaction on nuclei with intense reaction on cytoplasm were admixed. On Fas, Fas-1 reaction, both tumor cells of ameloblastoma and oral squamous cell carcinoma showed negative reaction on nuclei and cytoplasms. On FAP-1 reaction, tumor cells of oral squamous cell carcinomas showed more intensive response compare to that on ameloblastomas. Considering these results, the tumor cells of ameloblastoma and squamous cell carcinoma showed negative reaction on the Fas and Fas-L, but it could suggest that FAP-1 induce the development of tumors by means of inhibition of the apoptosis.
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