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Updated: Jan 18, 2026

Chromogenic In Situ Hybridization as a Tool for HPV-Related Head and Neck Cancer Diagnosis
Published on: June 14, 2019
HPV-p53-miR-34a axis in HPV-associated cancers
Jiezhong Chen1, Kong-Nan Zhao1
11 School of Biomedical Sciences, The University of Queensland, St Lucia, QLD 4072, Australia ; 2 Institute of Molecular Virology and Immunology, Department of Medical Microbiology and Immunology, Wenzhou Medical University, Wenzhou 325000, China ; 3 Centre for Kidney Disease Research-Venomics Research, School of Medicine, University of Queensland, Princess Alexandra Hospital, Woolloongabba, Brisbane, QLD 4102, Australia.
Human papillomaviruses (HPVs) drive cancer by disrupting cell pathways. This review highlights how miR-34a, a microRNA, is crucial in HPV-associated cancers, impacting cell growth and survival.
Area of Science:
- Oncology
- Virology
- Molecular Biology
Background:
- Human papillomaviruses (HPVs) are oncogenic, altering host cell signaling pathways.
- MicroRNAs (miRs) can act as oncogenes (oncomiRs), promoting cancer development.
- MiR-34a is implicated as a key oncomiR in HPV-associated carcinogenesis.
Purpose of the Study:
- To summarize the critical roles of miR-34a in cancers caused by HPV infection.
- To elucidate the regulatory mechanisms involving miR-34a in HPV-driven oncogenesis.
Main Methods:
- This mini-review synthesizes existing research on miR-34a function in HPV-associated cancers.
- Analysis of molecular interactions between HPV oncogenes, p53, and miR-34a.
Main Results:
- HPV oncogene E6 downregulates tumor suppressor p53, which reduces miR-34a expression.
- Decreased miR-34a levels lead to the upregulation of its target genes.
- The increased expression of these target genes promotes cancer cell proliferation, survival, and migration.
Conclusions:
- MiR-34a plays a significant role in the development and progression of HPV-associated cancers.
- The p53/miR-34a axis is a critical pathway disrupted by HPV oncogenes.
- Targeting the miR-34a pathway may offer therapeutic strategies for HPV-induced cancers.
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