癌变·畸变·突变 ›› 2018, Vol. 30 ›› Issue (2): 87-91.doi: 10.3969/j.issn.1004-616x.2018.02.002

• 论著 • 上一篇    下一篇

舌鳞状细胞癌组织中硫氧还蛋白和硫氧还蛋白还原酶-1的表达及其意义

李杨1,2, 邢龙3,4, MOHAMMED H1,2, 马小龙1,2, 谢富强1,2, 冯正虎3,4, 车银富1   

  1. 1. 兰州大学口腔医学院, 甘肃 兰州 730000;
    2. 兰州大学第二医院, 甘肃 兰州 730000;
    3. 西北民族大学口腔医学国家民委重点实验室, 甘肃 兰州 730030;
    4. 西北民族大学甘肃省口腔疾病研究重点实验室/培育基地, 甘肃 兰州 730030
  • 收稿日期:2018-01-17 修回日期:2018-03-08 出版日期:2018-03-30 发布日期:2018-03-30
  • 通讯作者: 谢富强,E-mail:xiefq@lzu.edu.cn E-mail:xiefq@lzu.edu.cn
  • 作者简介:李杨,E-mail:liyang2015@lzu.edu.cn;邢龙,E-mail:499768964@qq.com
  • 基金资助:
    西北民族大学引进人才科研项目(XbMuyjrc201319)

Clinicopathological significance of expression of thioredoxin and its reductase-1 in tongue squamous cell carcinoma

LI Yang1,2, XING Long3,4, MOHAMMED H1,2, MA Xiaolong1,2, XIE Fuqiang1,2, FENG Zhenghu3,4, CHE Yinfu1   

  1. 1. School of Stomatology, Lanzhou University, Lanzhou 730000;
    2. The Second Hospital of Lanzhou University, Lanzhou 730000;
    3. Key Lab of Stomatology of State Ethnic Affairs Commission, Northwest Minzu University, Lanzhou 730030;
    4. Key Lab of Oral Diseases of Gansu Province, Northwest Minzu University, Lanzhou 730030, Gansu, China
  • Received:2018-01-17 Revised:2018-03-08 Online:2018-03-30 Published:2018-03-30

摘要: 目的:研究硫氧还蛋白(Trx)和硫氧还蛋白还原酶-1(TrxR1)在舌鳞癌组织中的表达及其临床意义。方法:收集28例舌鳞癌组织和10例癌旁上皮组织,采用免疫组织化学SP三步法检测Trx和TrxR1蛋白在两种组织中的表达水平,并分析其表达与临床病理特征的关系。结果:舌鳞状细胞癌组织中的Trx和TrxR1蛋白表达水平明显高于癌旁正常上皮组织,癌组织和癌旁正常组织的Trx IOD值分别为(2.84±0.34)×108和(3.91±3.00)×107P < 0.01),TrxR1 IOD分别为(1.88±0.29)×108和(0.69±0.32)×107P < 0.05);Trx和TrxR1蛋白表达水平在不同肿瘤大小、分化程度组间表达的差异均具有统计学意义(P均 < 0.05);Trx和TrxR1表达水平之间呈正相关关系(r=0.504,P < 0.05),且Trx和TrxR1高表达组与低表达组的生存率差异具有统计学意义(P < 0.05)。结论:硫氧还蛋白及其还原酶-1可能为舌鳞状细胞癌的药物治疗靶点和早期诊断、肿瘤筛查的重要临床指标。

关键词: 舌鳞状细胞癌, 硫氧还蛋白, 硫氧还蛋白还原酶-1, 免疫组织化学

Abstract: OBJECTIVE: To study the expression and clinical significance of thioredoxin (Trx) and thioredoxin reductase-1 (TrxR1) in tongue squamous cell carcinoma. METHODS: Twenty-eight cases of tongue squamous cell carcinoma and 10 cases of normal epithelial tissues were collected. Expression levels of Trx and TrxR1 in two tissues were detected by the SP immunohistochemical three-step method. The relationship between their expression and clinicopathological features was analyzed. RESULTS: The expression levels of Trx and TrxR1 in tongue squamous cell carcinoma tissues were significantly higher than those in adjacent normal epithelial tissues. Trx IOD values in cancer tissues and adjacent normal tissues were (2.84±0.34)×108 and (3.91±3.00)×107,respectively (P < 0.01). TrxR1 IOD was (1.88±0.29)×108 and (0.69±0.32)×107 (P < 0.05). Trx and TrxR1 protein expression levels were between tumor size and differentiation;the differences in expression were statistically significant (P < 0.05). The expression levels of Trx and TrxR1 were moderately correlated (r=0.504,P < 0.05),and the high and low expression groups of Trx and TrxR1 were expressed. The difference in survival was statistically significant (P < 0.05). CONCLUSION: Thioredoxin and its reductase-1 can possibly be targets of drug therapy for tongue squamous cell carcinoma and important clinical indicators for early diagnosis and tumor screening.

Key words: tongue squamous cell carcinoma, thioredoxin, thioredoxin reductase-1, immunohistochemistry

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