华西口腔医学杂志

• 基础研究 • 上一篇    下一篇

乏氧对人舌癌Tca8113细胞尿激酶型纤溶酶原激活物表达的影响

王升志1,梁新华2,成 洲1,毕洪广1,毛祖彝2,王大章2   

  1. 1.青岛大学医学院附属烟台毓璜顶医院 口腔颌面外科,山东 烟台264000; 2.口腔生物医学工程教育部重点实验室,四川大学,四川 成都610041
  • 收稿日期:2005-06-25 修回日期:2005-06-25 出版日期:2005-06-20 发布日期:2005-06-20
  • 通讯作者: 梁新华,Tel:028-85502334
  • 作者简介:王升志(1965-),男,山东人,副教授,博士
  • 基金资助:

    山东省优秀中青年科学家科研奖励基金资助项目 (03BS038);广东省医学科研课题资助项目(A2002434) [作者简介]王升志(1965-),男,山东人,副教授,博士

Effect of Hypoxia on the Expression of Urokinase-type Plasminogen Activator in Human Tongue Squamous Cell Carcino- ma Cells (Tca8113)

WANG Sheng-zhi1,LIANGXin-hua2,CHENG Zhou1,BIHong-guang1,MAO Zu-yi2,WANG Da-zha- ng2   

  1. 1.Dept.ofOral andMaxillofacial Surgery,The Affiliated Yantai YuhuangdingHospital ofQingdao UnivercityMedical Col- lege,Yantai264000,China;2.Key.Laboratory of Oral Biomedical Engineering Ministry of Education,Sichuan University, Chengdu610041,China
  • Received:2005-06-25 Revised:2005-06-25 Online:2005-06-20 Published:2005-06-20

摘要: 目的 研究乏氧对人舌癌Tca8113细胞尿激酶型纤溶酶原激活物(uPA)表达的影响,探讨乏氧与口腔鳞 癌侵袭、转移的关系。方法 采用免疫组化染色和流式细胞术,对Tca8113细胞在不同乏氧时间(0、3、6、12、24 h)下 的uPA蛋白表达进行染色和定量分析。结果 乏氧可促进人舌癌Tca8113细胞uPA蛋白表达,而且随着乏氧时间 3 h→6 h→12 h→24 h的延长,uPA表达逐渐增高。结论 乏氧可通过激活肿瘤细胞高表达uPA而促进口腔鳞癌侵 袭和转移。

关键词: 乏氧, 尿激酶型纤溶酶原激活物, 舌鳞状细胞癌, 侵袭, 转移

Abstract:

Objective To observe the expression of urokinase-type plasminogen activator (uPA) in human tongue squamous carcinoma cells (Tca8113) under hypoxia, in order to explore the relation between hypoxia and invasion and metastasis of oral cancer.Methods Under different hypoxic times(0,3,6,12,24 h), the expression of uPA protein was examined quantitatively using immunohistochemical technique (IH) and flow cytometry (FCM).Results Hypoxia promoted the expression of uPA. The longer hypoxic time was, the higher expression of uPA was.Conclusion Hypoxia can promote invasion and metastasis of oral squamous carcinoma through stimulating the expression of uPA.

Key words: hypoxia, urokinase-type plasminogen activator, tongue squamous cell carcinoma, invasion, metastasis