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miR-143 expression profiles in urinary bladder cancer: correlation with clinical and epidemiological parameters.

Abstract：

:Hsa-mir-143 and hsa-let-7c have been reported to be deregulated in multiple neoplasms. The main purpose of this study was to investigate the expression of these miRNAs in bladder cancer (BCa) and to analyze the association between their expression profiles and clinical and epidemiological parameters. Ninety BCa specimens were included. Expression patterns of miR-143 and let-7c were assessed by qRT-PCR using Taqman specific probes. Validated and predicted targets of these miRNA's were identified using CSmiRTar and DAVID tools, respectively. miR-143 was downregulated in tumors compared to controls (mean fold-change (FC) = 0.076). Its expression was significantly higher in MIBC compared to NMIBC (p = 0,001). Its value as a potential biomarker discriminating non invasive tumors from the invasive ones was confirmed by ROC curve (AUC = 0.768; p = 0.0001). Also, this down-regulation positively correlates with frequency of tobacco use (p = 0,04) and chronic alcohol consumption (p = 0,04). Let-7c was overexpressed in BCa samples (mean (FC = 9.92) compared to non tumoral ones but was not associated to clinical and epidemiological parameters. A comprehensive overview of miR-143 targets and pathways implicated in BCa initiation, diagnosis or prognosis using bioinformatical analysis, was conducted. While both deregulated miRNAs may contribute to urothelial tumorigenesis, the deregulation of miR-143 was significantly correlated to epidemiological and clinical parameters.

journal_name

Mol Biol Rep

journal_title

Molecular biology reports

authors

Boubaker NS,Spagnuolo M,Trabelsi N,Said R,Gurtner A,Regazzo G,Ayed H,Blel A,Karray O,Saadi A,Rammeh S,Chebil M,Rizzo MG,Piaggio G,Ouerhani S

doi

10.1007/s11033-019-05228-1

subject

Has Abstract

pub_date

2020-02-01 00:00:00

pages

1283-1292

issue

2

eissn

0301-4851

issn

1573-4978

pii

10.1007/s11033-019-05228-1

journal_volume

47

pub_type

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