The Role of miR-92b-3p in Notch Signaling and Monitoring of Oral Squamous Cell Carcinoma
crossref(2024)
摘要
Abstract Dysregulation of microRNAs (miRNAs) influences diverse hallmarks of cancer, including proliferative signaling, metastasis, and resistance to cell death. We explored the contribution of miR-92b-3p in oral squamous cell carcinoma (OSCC) and its potential as a monitoring biomarker. Analysis of TCGA, GEO, and our own cohort revealed dysregulation of miR-92b-3p in OSCC, which correlated with aggressive tumor characteristics. miR-92b-3p overexpression augmented proliferation and the epithelial-mesenchymal transition in both YD8 and SCC25 cell lines and xenograft models. Mechanically, augmented miR-92b-3p expression suppressed ATXN1 and CPEB3, activating the Notch signaling pathway and thereby promoting metastasis and cisplatin resistance. In our cohort, serum miR-92b-3p expression reflected the disease status, including relapse. Our results suggest that miR-92b-3p might be an onco-miR involved in OSCC through regulating the ATXN1/CPEB3/Notch pathway. These findings provide novel insights for treating and monitoring OSCC.
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