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J BUON. 2020 Jan-Feb;25(1):357-366
Authors: Garo Kyurkchiyan S, Miroslavov Popov T, Stancheva G, Rangachev J, Ivanov Mitev V, Petrova Popova D, Petrova Kaneva R
Abstract
PURPOSE: Laryngeal cancer is one of most common and aggressive head and neck cancers with poor prognosis and great necessity for improvement of treatment modalities. MicroRNAs (miRs) are among the most investigated molecules recently due to their potential as diagnostic and prognostic biomarkers in cancer. The purpose of our study was to explore the association of certain clinicopathological features with the expression levels of some known cancer associated non-coding (nc) RNAs: miR-21 and miR-31 in both of their isoforms, miR-145-5p, miR-55-5p, miR-196a-5p, miR-210-3p, miR-221-3p, miR-222-3p, miR-424-5p, lncRNA MALAT1 and lncRNA HOTAIR.
METHODS: Expression levels of the chosen markers were investigated in laryngeal squamous cell carcinoma (LSCC) and normal samples in 82 Bulgarian patients via RT-qPCR, and the results were analyzed with SPSS v23.0 statistical software.
RESULTS: All of the explored ncRNAs were significantly deregulated in LSCC samples, suggesting their involvement in laryngeal carcinogenesis. New significant association were found between the expression levels of miR-21-5p, miR-222-3p, HOTAIR and family history. Moreover, miR-424-5p showed potential as marker for subglottic LSCC location, and "passenger" miR-31-3p was significantly upregulated in well and moderately differentiated LSCC.
CONCLUSION: Our results enrich the knowledge about ncRNA involvement in LSCC tumorigenesis. Further studies are needed to evaluate the clinical utility of the differently expressed ncRNAs as potential diagnostic and prognostic biomarkers in LSCC.
PMID: 32277655 [PubMed - as supplied by publisher]
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