ArticleActa obstetricia et gynecologica Scandinavica2024
Cervix cytology samples revealed increased methylation of the human markers FAM19A4/miR124-2 up to 8 years before adenocarcinoma.
Article in Acta obstetricia et gynecologica Scandinavica, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it, 11 citations in OpenAlex.
- The Role of microRNA Expression and DNA Methylation in HPV-Related Cervical Cancer: A Systematic Review.International journal of molecular sciences · 2024Pooled it
- The Methylation Test Is Highly Sensitive for HPV-Associated Endocervical Adenocarcinoma and Could Be Helpful as a Cytological Ancillary Test in Women With a PAP-Smear Diagnosis of Severe Glandular Lesion (AGC-NEO+).Cytopathology : official journal of the British Society for Clinical Cytology · 2025Article
- FAM19A4 and miR124-2 methylation status in human papillomavirus-driven and human papillomavirus-negative oropharyngeal squamous cell carcinomas.Infectious agents and cancer · 2025Article
- The Role of Methylation as an Epigenetic Marker in HPV-Related Oral Lesions.Journal of medical virology · 2025Article
- Article
- Cervix cytology samples revealed increased methylation of the human markers FAM19A4/miR124-2 up to 8 years before adenocarcinoma.Acta obstetricia et gynecologica Scandinavica · 2024Article
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
Abstract
introductionMethylation analysis of the promoter region of tumor-suppressor genes has previously shown high sensitivity for detection of high-grade cervical intraepithelial neoplasia (CIN) and cancer. HPV-testing has a high sensitivity to identify women at risk to develop cancer, and has been implemented in cervical screening programs in several countries. But in most HPV-positive women the infection will clear and they will not develop cancer. Testing for methylation could help to identify women who have potentially progressive cervical disease and need closer follow-up. The goal of the present study was to investigate the potential use of methylation as a triage test of HPV-positive women in the screening program. MATERIAL AND
methodsA collection of liquid-based cytology (LBC) samples from 106 women, collected between 4 months and 8 years before histologically confirmed cervical cancer or CIN3, was analyzed for hypermethylation of the human genes FAM19A4 and miR124-2.
resultsMethylation was detected in 45% (33/73) of normal LBC samples from women who later developed CIN3+, compared with 10% (3/31) of normal LBC samples from women without subsequent dysplasia (P = 0.0006). Overall, methylation was detected in 39% (14/36), 51% (19/37), 61% (14/23) and 70% (7/10) of LBC samples from women who later developed CIN3, adenocarcinoma in situ (AIS), squamous cell carcinoma (SCC) and adenocarcinoma (ADC), respectively. Positive methylation analysis was not significantly more frequent than abnormal cytology of atypical squamous cells of unclear significance or worse (ASCUS+) in LBC samples collected 4 months to 8 years before SCC or AIS; however, prior to the development of ADC, methylation was observed in 7/10 LBC samples, despite normal cytology. Overall, LBC samples collected before invasive cancer (ADC and SCC) were more frequently positive in the methylation analysis than in cytological analysis of ASCUS+ (P = 0.048). For LBC samples collected more than 2 years before the development of AIS, SCC or ADC, methylation analysis showed a higher positivity rate than cytology did.
conclusionsTesting for methylation of FAM19A4/miR124-2 as a triage for HPV-positive women would be useful to identify women at risk of cancer development, especially adenocarcinoma. Further studies are needed to estimate the cost-effectiveness before introducing methylation testing in the screening program.
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