Sec62/Ki67 dual staining in cervical cytology specimens: a new marker for high-grade dysplasia

  • Ferenc Zoltan TakacsEmail author
  • Julia Caroline Radosa
  • Rainer Maria Bohle
  • Florian Bochen
  • Ingolf Juhasz-Böss
  • Erich-Franz Solomayer
  • Bernard Schick
  • Maximilian Linxweiler
General Gynecology



In the previous studies, we demonstrated that Sec62 is essential for tumor cell migration, epithelial-to-mesenchymal transition, and intracellular stress tolerance. An increase in Sec62 expression correlated with an increase in cervical dysplasia severity in liquid-based cytology specimens. Ki67 is an established proliferation marker. Thus, in this study, we examined a method of Sec62/Ki67 dual staining for the detection of high-grade dysplasia and cancer in cervical liquid-based cytology specimens.


Sec62/Ki67 dual staining was performed on 100 cervical liquid-based cytology specimens. The staining results were correlated with cytological, immunocytological (p16/Ki67), colposcopic, and histological findings.


All 56 (n = 56, 100%) cases of cervical intraepithelial neoplasia grade 3 and cervical cancer (CIN3+ lesions) were positive for Sec62/Ki67 staining, while low-grade lesions and normal cells were negative. Sec62/Ki67 staining was highly sensitive and specific for the detection of CIN2+ and CIN3+ lesions (94.37%; 100% and 100%; 84.09%, respectively).


Sec62/Ki67 dual-staining immunocytochemistry is a promising cytological tool for interpreting high-grade squamous lesions in cytological specimens and for assessing the risk of progression to cancer.


Cervical cancer Cervical intraepithelial neoplasia Cytology Dual staining Immunocytochemistry Sec62 



The authors would like to gratefully acknowledge the excellent work, motivation, and enthusiasm of Mrs. Barbara Linxweiler and Mrs. Alice Kunz in the establishment of our dual-staining cytology method. We also want to thank our colposcopy team, namely, Mrs. Simona Baus, Mrs. Lisa Mees, Mrs. Frederike Schlaegel, Ms. Alexandra Sehr, and Mrs. Christina Linsler, for patient recruitment and for providing high-quality LBC specimens.

Author contributions

FZT: project development, data collection and analysis, manuscript writing. JCR: review and editing. FB: visualization, review and editing. RMB: review and editing. IJ-B: review and editing. EFS: review and editing. BS: review and editing. ML: project development, data analysis, review and editing.

Compliance with ethical standards

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the Ethics Committee of Saarland (no: 183/17). Written informed consent was obtained from all patients prior to inclusion.

Conflict of interest

F. Z. Takacs and M. Linxweiler have a pending patent application for the Sec62/Ki67 immunocytochemical dual staining (application number: LU100824). All other authors declare no conflicts of interest.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Ferenc Zoltan Takacs
    • 1
    Email author return OK on get
  • Julia Caroline Radosa
    • 1
  • Rainer Maria Bohle
    • 2
  • Florian Bochen
    • 3
  • Ingolf Juhasz-Böss
    • 1
  • Erich-Franz Solomayer
    • 1
  • Bernard Schick
    • 3
  • Maximilian Linxweiler
    • 3
  1. 1.Department of Obstetrics and GynecologyUniversity of SaarlandHomburgGermany
  2. 2.Department of General and Surgical PathologyUniversity of SaarlandHomburgGermany
  3. 3.Department of Otorhinolaryngology, Head and Neck SurgeryUniversity of SaarlandHomburgGermany

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