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FAM19A4/miR124-2 Methylation Testing and Human Papillomavirus (HPV) 16/18 Genotyping in HPV-Positive Women Under the Age of 30 Years

  • Frederique J. Vink
  • , Chris J. L. M. Meijer
  • , Albertus T. Hesselink
  • , Arno N. Floore
  • , Birgit I. Lissenberg-Witte
  • , Jesper H. Bonde
  • , Helle Pedersen
  • , Kate Cuschieri
  • , Ramya Bhatia
  • , Mario Poljak
  • , Anja Oštrbenk Valenčak
  • , Peter Hillemanns
  • , Wim G. V. Quint
  • , Marta del Pino
  • , Gemma G. Kenter
  • , Renske D. M. Steenbergen
  • , Daniëlle A. M. Heideman
  • , Maaike C. G. Bleeker*
  • *Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

25 Citations (Scopus)
58 Downloads (Pure)

Abstract

Background
High-grade squamous intraepithelial lesions (HSIL) or cervical intraepithelial neoplasia (CIN) grade 2/3 lesions in human papillomavirus (HPV)–positive women <30 years of age have high spontaneous regression rates. To reduce overtreatment, biomarkers are needed to delineate advanced CIN lesions that require treatment. We analyzed the FAM19A4/miR124-2 methylation test and HPV16/18 genotyping in HPV-positive women aged <30 years, aiming to identify CIN2/3 lesions in need of treatment.

Methods
A European multicenter retrospective study was designed evaluating the FAM19A4/miR124-2 methylation test and HPV16/18 genotyping in cervical scrapes of 1061 HPV-positive women aged 15–29 years (690 ≤CIN1, 166 CIN2, and 205 CIN3+). A subset of 62 CIN2 and 103 CIN3 were immunohistochemically characterized by HPV E4 expression, a marker for a productive HPV infection, and p16ink4a and Ki-67, markers indicative for a transforming infection. CIN2/3 lesions with low HPV E4 expression and high p16ink4a/Ki-67 expression were considered as nonproductive, transforming CIN, compatible with advanced CIN2/3 lesions in need of treatment.

Results
FAM19A4/miR124-2 methylation positivity increased significantly with CIN grade and age groups (<25, 25–29, and ≥30 years), while HPV16/18 positivity was comparable across age groups. FAM19A4/miR124-2 methylation positivity was HPV type independent. Methylation-positive CIN2/3 lesions had higher p16ink4a/Ki-67-immunoscores (P = .003) and expressed less HPV E4 (P = .033) compared with methylation-negative CIN2/3 lesions. These differences in HPV E4 and p16ink4a/Ki-67 expression were not found between HPV16/18–positive and non-16/18 HPV–positive lesions.

Conclusions
Compared with HPV16/18 genotyping, the FAM19A4/miR124-2 methylation test detects nonproductive, transforming CIN2/3 lesions with high specificity in women aged <30 years, providing clinicians supportive information about the need for treatment of CIN2/3 in young HPV-positive women.
Original languageEnglish
Pages (from-to)e827-e834
JournalClinical Infectious Diseases
Volume76
Issue number3
DOIs
Publication statusPublished - 1-Feb-2023
Externally publishedYes

Keywords

  • HPV E4
  • cervical cancer
  • cervical intraepithelial neoplasia
  • host cell DNA methylation
  • human papillomavirus
  • p16ink4a/Ki-67 immunoscore
  • p16 /Ki-67 immunoscore

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