Abstract:
:During the last decade, microRNAs (miRNAs) have been identified as potential biomarkers and therapeutic targets for multiple malignancies; yet, few studies exist on intrahepatic cholangiocarcinoma (ICC). In the present study, a miRNA microarray was applied to determine the significant miRNAs involved in ICC. miR-150 was found to be significantly downregulated in ICC. We further enrolled 15 ICC patients who received radical resection to test these findings in plasma. Using quantitative reverse transcription-polymerase chain reaction (qRT-PCR), we examined and quantified the expression levels of miR-150 in tumor tissues, peritumoral noncancerous tissues and blood samples of 15 ICC patients. The diagnostic value of plasma miR-150 for differentiating patients with ICC from the age- and gender-matched controls was analyzed. For plasma samples, compared with normal controls, the level of miR-150 expression was found to be upregulated (P<0.010) in ICC patients. While differentiating ICC from normal controls, receiver operator curve (ROC) analysis of plasma miR-150 revealed the area under the curve (AUC) of 0.764 (P<0.010) with sensitivity of 80.6% and specificity of 58.1%. The diagnostic value of carbohydrate antigen 19-9 (CA19-9) and the combination of miR-150 and CA19-9 were also evaluated. We found that the combination of these two markers improved the power of screening ICC. Moreover, on the basis of the plasma miR-150 level, 15 ICC patients were divided into a low or high expression group. We found that plasma miR-150 is a potential diagnostic biomarker for ICC.
journal_name
Oncol Repjournal_title
Oncology reportsauthors
Wang S,Yin J,Li T,Yuan L,Wang D,He J,Du X,Lu Jdoi
10.3892/or.2014.3641subject
Has Abstractpub_date
2015-02-01 00:00:00pages
819-25issue
2eissn
1021-335Xissn
1791-2431journal_volume
33pub_type
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