Down-regulation of dicer expression in ovarian cancer tissues

被引：83
|
作者：
Pampalakis, Georgios [1 ]
Diamandis, Eleftherios P. [2 ]
Katsaros, Dionysslos [3 ]
Sotiropoulou, Georgia [1 ]
机构：
[1] Univ Patras, Dept Pharm, Rion 26500, Greece
[2] Mt Sinai Hosp, Dept Pathol & Lab Med, Toronto, ON M5G 1X5, Canada
[3] Univ Turin, Dept Obstet & Gynecol, Gynecol Oncol Unit, Turin, Italy
来源：
CLINICAL BIOCHEMISTRY | 2010年 / 43卷 / 03期
关键词：
Dicer; ovarian cancer; biomarker; MICRORNA EXPRESSION; DROSHA;
D O I：
10.1016/j.clinbiochem.2009.09.014
中图分类号：
R446 [实验室诊断]; R-33 [实验医学、医学实验];
学科分类号：
1001 ;
摘要：
Objectives: Although numerous recent studies have focused on analyses of microRNA expression profiles in cancer cells, the expression patterns of the enzymes responsible for the generation of miRNAs remains largely unexplored. The purpose of this study was to investigate whether Dicer mRNA expression is altered during progression of ovarian cancer. Design and methods: Total RNA was extracted from ovarian tissue specimens (normal, benign and malignant tumors). The expression of Dicer was analyzed by semi-quantitative RT-PCR. Results: We analyzed a total of 34 ovarian tissue samples and found that Dicer mRNA expression is down-regulated in the majority of ovarian tumors when compared to normal tissues. Conclusions: Our results suggest that the levels of Dicer mRNA should be evaluated as a potential new candidate biomarker for ovarian cancer. (C) 2009 The Canadian Society of Clinical Chemists. Published by Elsevier Inc. All rights reserved.
引用
收藏
页码：324 / 327
页数：4
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