Role Of Mir-33a, Mir-203b, Mir361-3p, And Mir-424 In Hepatocellular Carcinoma
TURKISH JOURNAL OF MEDICAL SCIENCES(2021)
Abstract
Background/aim: Hepatocellular carcinoma (HCC) is one of the most aggressive cancer types. MicroRNAs (miRNAs) are small noncoding regulatory RNAs that function posttranscriptionally. miRNA deregulation was observed in the development and progression of HCC. In this study, we aimed to investigate the expression levels of four miRNAs (mir-33a, mir-203b, mir361-3p, and mir-424) in HCC patients in comparison to healthy individuals.Materials and methods: Venous blood samples were collected from both HCC patients and healthy individuals. In order to determine the relative expression levels of mir-33a, mir-203b, mir361-3p, and hsa-mir-424 in HCC patients, probe-based quantitative real time PCR (qRT-PCR) was performed. The cycle threshold (Ct) results were analyzed according to the 2-(Delta Delta Ct) method and statistical analyses were performed by SPSS Statistics version 15 for Windows.Results: qRT-PCR analysis revealed that the expression levels of mir-33a (fold change: 7.3 and P < 0.001), mir-203b (fold change: 4.6 and P < 0.001), and mir361-3p (fold change: 5.1 and P < 0.001)were downregulated compared to healthy individuals and mir-424 did not show any significant change between HCC patients and controls.Conclusion: Our results indicated that mir-33a, mir-203b, and mir-361-3p may significantly contribute to tumor pathogenesis in HCC and have potential to be used as a noninvasive biomarker for cancer therapy.
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Key words
Mir-33a, mir-203b, mir361-3p, mir-424, HCC, qRT-PCR
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