Abstract
A recent pan-cancer transcriptome analysis indicated differential activity of alternative promoters of genes TNS3 and LRRFIP1 in head and neck squamous cell carcinoma compared to non-cancerous tissue. The promoters upregulated in head and neck squamous cell carcinoma regulate expression of transcripts TNS3-203 and LRRFIP1-211. Our aim was to investigate the biomarker potential of TNS3-203 and LRRFIP1-211 transcripts in oral cancer, the most common type of head and neck cancer. An in silico approach was used to characterize the promoters and transcripts of interest. Relative expression of TNS3-203 and LRRFIP1-211 transcripts was evaluated by qRT-PCR in a group of 46 oral cancer patients in samples of cancer and adjacent non-cancerous tissue. TNS3-203 was significantly overexpressed in oral cancer compared with matched non-cancerous tissue, so this transcript can potentially be used as a diagnostic biomarker. There were no differences in LRRFIP1-211 level between analyzed tissues. None of the investigated transcripts has prognostic potential in oral cancer. The results obtained indicate the diagnostic potential of TNS3-203, but not LRRFIP1-211 transcript and its role in oral carcinogenesis.
Published Version
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