Author:
Giannopoulou Aikaterini,Konstantakou Eumorphia,Velentzas Athanassios,Avgeris Socratis,Avgeris Margaritis,Papandreou Nikos,Zoi Ilianna,Filippa Vicky,Katarachia Stamatia,Lampidonis Antonis,Prombona Anastasia,Syntichaki Popi,Piperi Christina,Basdra Efthimia,Iconomidou Vassiliki,Papadavid Evangelia,Anastasiadou Ema,Papassideri Issidora,Papavassiliou Athanasios,Voutsinas Gerassimos,Scorilas Andreas,Stravopodis Dimitrios
Abstract
Background: Skin cancer represents the most common human malignancy, and it includes BCC, SCC, and melanoma. Since melanoma is one of the most aggressive types of cancer, we have herein attempted to develop a gene-specific intron retention signature that can distinguish BCC and SCC from melanoma biopsy tumors. Methods: Intron retention events were examined through RT-sqPCR protocols, using total RNA preparations derived from BCC, SCC, and melanoma Greek biopsy specimens. Intron-hosted miRNA species and their target transcripts were predicted via the miRbase and miRDB bioinformatics platforms, respectively. Ιntronic ORFs were recognized through the ORF Finder application. Generation and visualization of protein interactomes were achieved by the IntAct and Cytoscape softwares, while tertiary protein structures were produced by using the I-TASSER online server. Results: c-MYC and Sestrin-1 genes proved to undergo intron retention specifically in melanoma. Interaction maps of proteins encoded by genes being potentially targeted by retained intron-accommodated miRNAs were generated and SRPX2 was additionally delivered to our melanoma-specific signature. Novel ORFs were identified in MCT4 and Sestrin-1 introns, with potentially critical roles in melanoma development. Conclusions: The property of c-MYC, Sestrin-1, and SRPX2 genes to retain specific introns could be clinically used to molecularly differentiate non-melanoma from melanoma tumors.
Subject
Inorganic Chemistry,Organic Chemistry,Physical and Theoretical Chemistry,Computer Science Applications,Spectroscopy,Molecular Biology,General Medicine,Catalysis
Cited by
8 articles.
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