华西口腔医学杂志

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人类主要组织相容抗原DR分子在口腔鳞癌中表达的研究

李龙江,张少平,佟猛   

  1. 610041 四川大学华西口腔医院口腔颌面外科
  • 收稿日期:2003-02-25 修回日期:2003-02-25 出版日期:2003-02-20 发布日期:2003-02-20
  • 基金资助:

    本课题为国家自然科学基金(编号39700162)及四川省跨世纪杰出青年基金(编号G9949)资助项目

Human Leukocyte Antigen-DR Expression and Transcription in Oral Squamous Cell Carcinomas

LILongjiang,ZHANGShaoping,TONGMeng.   

  1. Department ofOral andMaxillofacialSurgery,West China College ofStomatology, Sichuan University,Chengdu610041,China
  • Received:2003-02-25 Revised:2003-02-25 Online:2003-02-20 Published:2003-02-20

摘要:

目的 从基因转录水平和蛋白表达水平探讨了人主要组织相容抗原DR(HLA-DR)抗原分子在口腔鳞癌演变过程中的表达改变。方法 应用HLA-DR特异性单抗和HLA-DRβ基因特异性寡核苷酸探针分别通过免疫组织化学及原位杂交的方法分别从蛋白及转录水平检测了32例人口腔鳞癌原发灶、15例颈淋巴结转移灶和26例正常口腔粘膜上皮标本内HLA-DR的表达。结果 口腔鳞癌原发灶内HLA-DR的表达显著性的高于正常口腔粘膜组(P< 0·05);淋巴结转移灶的HLA-DR表达与原发灶和正常粘膜均未见统计学差异。原位杂交和免疫组化对于HLA-DR表达的检测具有一致性。结论 HLA-DR在口腔鳞癌中存在有表达异常增高的现象,但与淋巴结转移并无明确关系。

关键词: 人主要组织相容抗原DR分子, 口腔鳞状细胞癌, 原位杂交, 免疫组化

Abstract:

Objective The purpose of this studywas to investigate the transcription and expression levels of human leukocyte antigen-DR at different stages of oral squamous cell carcinomas.Methods The specific monoclonal antibody andβ-locus specific oli- gonucleotide probes of human leukocyte antigen-DR were employed in this study. A total of 32 primary oral squamous cell carcino- mas, 15 metastatic focuses and 26 histologically normal oral epithelia, were detected forthe presence of the human leukocyte antigen- DR molecule by using immunohistochemistry and in situ hybridization.Results The human leukocyte antigen-DR expression of the primary focuses was significantly higher than that of the normal epithelia (P<0.05), but their expression did not show statistically difference between the metastatic focuses and the normal epithelia. The immunohistochemistric results were identical with those of in situ hybridization.Conclusion The abnormal higher expression of theHLA-DR is a common character of primary oral squamous cell carcinomas, but it may be not relevant to the metastasis of tumors.

Key words: human leukocyte antigen-DR, oral squamous cell carcinoma, in situ hybridization, immunohistochemistry