ArticleScientific reports2025
Analysis of HPV-16 viral load, integration status, and p16 expression in relation to EBV co-infection and cervical lesion severity.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Beyond Human Papillomavirus (HPV): Detection of EBV and Polyomaviruses in Cervical and Anal Samples.Journal of medical virology · 2026Article
- Clinical value of first-morning urine exfoliated cell HPV detection in the diagnosis of high-grade cervical lesions.Frontiers in oncology · 2026Article
- Immunohistochemical expression of Ki-67, estrogen receptor, and human epidermal growth factor receptor 2 in p16-positive premalignant and malignant cervical squamous lesions: associations with clinicopathological parameters.Ewha medical journal · 2026Article
- Integrating Biomarkers into Cervical Cancer Screening-Advances in Diagnosis and Risk Prediction: A Narrative Review.Diagnostics (Basel, Switzerland) · 2025Review
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cervical cancer, one of the most common cancers in women, is primarily driven by high-risk human papillomaviruses (HPV) infections, particularly HPV-16. Co-infection with Epstein-Barr virus (EBV) has been reported to exacerbate disease progression by influencing HPV genome integration. This study examines HPV-16 integration status, p16INK4a expression, and their relationship with EBV co-infection and viral load in cervical cancer cases. In this study, 134 HPV-16-positive formalin-fixed, paraffin-embedded cervical samples were collected and analyzed for HPV-16 viral load, genome integration and EBV co-infection, followed by p16INK4a immunohistochemistry. Statistical analysis was performed to examine the association between viral markers and cervical cancer progression. HPV-16 viral loads varied significantly by histological grade, with the highest loads observed in cervical intraepithelial neoplasia 2 (CIN 2) lesions. HPV integration status revealed episomal forms in 32.8% of samples, mixed forms in 56%, and fully integrated forms in 11.2%. p16INK4a expression correlated with disease progression, increasing with CIN grade and in squamous cell carcinoma (SCC). EBV was detected in 13.4% of samples, but no significant associations were found between EBV infection and HPV integration, viral load, or p16INK4a expression levels. HPV-16 viral load and integration status are strongly associated with cervical lesion severity, while p16INK4a expression increases with lesion grade, indicating its utility as a diagnostic marker. EBV co-infection did not significantly impact lesion progression, suggesting that its role in cervical cancer remains unclear.
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