Repository of Research and Investigative Information

Repository of Research and Investigative Information

Hormozgan University of Medical Sciences

Upregulation of the double-stranded RNA binding protein DGCR8 in invasive ductal breast carcinoma

(2016) Upregulation of the double-stranded RNA binding protein DGCR8 in invasive ductal breast carcinoma. Gene.

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Abstract

High-throughput experimental studies have indicated that the miRNAome is globally downregulated in various types of malignancy, and dysregulation of miRNAs processing component(s) is one possible mechanism for this phenomenon. Despite the progression in identifying cellular functions of Digeorge Syndrome Critical Region 8 (DGCR8) in miRNAs biogenesis, the role of altered expression of DGCR8 in the pathogenesis of invasive ductal breast carcinoma (IDC) has not yet been fully investigated. The objective of the present study was to evaluate DGCR8 mRNA expression in seventy fresh invasive ductal breast carcinomas and matched adjacent non-neoplastic tissues using quantitative real-time PCR and to assess the value of clinicopathological parameters on its expression. Our findings revealed that DGCR8 mRNA expression is upregulated in more than two-thirds of the cancerous specimens (68.66) when compared to adjacent non-neoplastic tissue. This difference is statistically significant (P < 0.05). We found that DGCR8 mRNA levels were increased in the high-grade and metastatic compared with those of both low-grade and non-metastatic. We demonstrated that there is not significant correlation between DGCR8 mRNA expression levels and clinicopathological parameters. In conclusion, our study suggested that upregulation of DGCR8 may be involved in tumorigenesis and aggressiveness of IDC and may serve as future therapeutic target. © 2016.

Item Type: Article
Additional Information: cited By 0
Keywords: double stranded RNA; messenger RNA; RNA binding protein; DGCR8 protein, human; RNA binding protein, adult; aged; Article; breast carcinoma; cancer patient; cancer tissue; clinical assessment; female; gene expression; human; human tissue; investigative procedures; major clinical study; male; priority journal; quantitative study; real time polymerase chain reaction; upregulation; breast tumor; gene expression regulation; genetic predisposition; genetics; middle aged; Paget nipple disease; pathology, Adult; Aged; Breast Neoplasms; Carcinoma, Ductal, Breast; Female; Gene Expression Regulation, Neoplastic; Genetic Predisposition to Disease; Humans; Middle Aged; RNA-Binding Proteins; Up-Regulation
Subjects: QU Biochemistry. Cell Biology and Genetics > QU 300-560 Cell Biology and Genetics
Divisions: Research Vice-Chancellor Department > Molecular Medicine Research Center
Depositing User: مهندس هدی فهیم پور
URI: http://eprints.hums.ac.ir/id/eprint/4075

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