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<p>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.</p>

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The role of miR-92b-3p in notch signaling and monitoring of oral squamous cell carcinoma

  • 期刊论文

  • 发表日期：

    2025年2月18日

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  • Yudan Piao,
  • Seung-Nam Jung,
  • Mi Ae Lim,
  • Sicong Zheng,
  • Chan Oh,
  • Yan Li Jin,
  • Shan Shen,
  • Quoc Khanh Nguyen,
  • Se-Hee Park,
  • Young il Kim,
  • Min-Gyu Kim,
  • Ji Won Kim,
  • Sun Ohm,
  • Jae Won Chang,
  • Ho-Ryun Won,
  • Bon Seok Koo

摘要

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.