Expression profile and bioinformatics analysis of circular RNAs in tongue squamous cell carcinoma.

Zexi Chen, Yinghui Jie, Zailing Qiu, Mi Zhang, Bin Shi, Xiaofeng Zhu, Jiang Chen

Oral diseases 2023 Mar

filter terms:

This study was designed to identify the role of circRNAs in tongue squamous cell carcinoma (TSCC) and discover novel circRNAs as potential diagnostic or therapeutic targets for TSCC. The circRNA expression profiles in TSCC were evaluated by high-throughput sequencing in 6 TSCC patients. Our data showed that 69 circRNAs were downregulated and 208 were upregulated significantly (fold change ≥2.0; p < 0.05). GO and KEGG analysis demonstrated that the parental genes of differentially expressed circRNAs were potentially implicated in TSCC pathogenesis. After bioinformatics analysis, 4 circRNAs (hsa_circ_0005035, hsa_circ_0002360, hsa_circ_0066251, and hsa_circ_0003161) were selected and successfully validated by quantitative reverse-transcription polymerase chain reaction (qRT-PCR) in 40 patients and 3 TSCC cell lines. The establishment and analysis of the circRNA-miRNA-mRNA network revealed the potential function and mechanism of these candidate circRNAs. Our study provided a comprehensive circRNAs expression profile of TSCC by RNA-seq and discovered 4 novel circRNAs with potential great diagnostic and therapeutic value. These findings provide new insights into the development of potential biomarkers and targets for TSCC treatment. © 2021 Wiley Periodicals LLC.

Citation

Zexi Chen, Yinghui Jie, Zailing Qiu, Mi Zhang, Bin Shi, Xiaofeng Zhu, Jiang Chen. Expression profile and bioinformatics analysis of circular RNAs in tongue squamous cell carcinoma. Oral diseases. 2023 Mar;29(2):458-468