中德临床肿瘤学杂志（英文版）2005，Vol.4Issue(5)：279-283,5.
食管癌患者外周血基因表达谱研究
Genes Expression Profile Difference in Peripheral Blood Between Esophageal Carcinoma Patients and Normal Subjects
摘要
Abstract
Objective: To study the genes expression profile differences in the peripheral blood between esophageal carcinoma patients and normal subjects using the gene chip technique and screen out the esophageal early conceration associated genes. Methods: The total RNA was extracted and purified in the peripheral blood obtained from the patients with esophageal carcinoma and normal subjects. The first strand of cDNA was synthesized through retro-transcription and labeled with Cy5 and Cy3 fluorescence as probes. The mixed probes were hybridized with a piece of 4096 double dot human whole gene chip. The acquired image was analyzed by microarray suite software using a digital computer, and the intensity of fluorescence signal and its ratio were calculated. Results: A total of 92 genes were screened out and its expression difference was more than 2 times in the peripheral blood between the patients with esophageal carcinoma and normal subjects. Among these, the expression difference of 36 genes was more than 3 times.Two human urokinase plasminogen activator surface receptor (UPAR) genes, 80K-L protein gene, human protein tyrosine-phosphatase gene and proto-oncogene protein mRNA were significantly up-regulated, while the collagen V type α-2 gene was markedly down-regulated. Conclusion: 80K-L protein gene, tyrosinephophatase gene, proto-oncogene protein and the collagen V type α-2 gene might be associated with the ontogenesis, development and its metastasis in the esophageal carcinoma. The UPAR gene may play important roles in the diagnosing the micrometastasis in the peripheral blood of esophageal carcinoma.关键词
食管癌/外周血/基因表达谱Key words
human esophageal carcinoma/peripheral blood/gene expression profile分类
医药卫生引用本文复制引用
钱丽娟,许沈华,牟瀚舟,冯建国,朱赤红,刘祥麟..食管癌患者外周血基因表达谱研究[J].中德临床肿瘤学杂志（英文版）,2005,4(5):279-283,5.基金项目
This project was supported by a grant from the Zhejiang Medical and Health Science Foundation (No. 2002A023). （No. 2002A023）
