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Diagnostic protein marker patterns in squamous cervical cancer.
Marta I Lomnytska1, Susanne Becker, Kristina Hellman
1Department of Obstetrics and Gynecology, Institute for Clinical Science and Technology, Karolinska University Hospital, Huddinge, Karolinska Institutet, Stockholm, Sweden. marta.lomnytska@ki.se
Proteomics. Clinical Applications
|December 8, 2010
Summary
Researchers identified specific protein patterns for diagnosing squamous cervical cancer (SCC). These markers could enable objective, automated screening and improve current diagnostic methods for this common women's cancer.
Area of Science:
- Oncology
- Proteomics
- Biomarker Discovery
Background:
- Cervical cancer is a leading malignancy affecting women globally.
- Objective diagnostic markers for squamous cervical cancer (SCC) are needed to improve detection.
Purpose of the Study:
- To identify novel protein patterns for the objective diagnosis of squamous cervical cancer (SCC).
Main Methods:
- Tissue biopsies from SCC, squamous vaginal cancer (SVC), and normal mucosa were analyzed.
- Techniques included 2-DE, SameSpot analysis, MALDI-TOF-MS, and immunohistochemistry.
Main Results:
- 99 proteins were identified from 148 differentially expressed spots.
- Specific proteins like annexin A6 (ANXA6) were over-expressed in SCC.
- High agreement (81.1%) was found between protein spot expression and immune expression.
Conclusions:
- SCC exhibits distinct tissue marker protein patterns enabling objective disease detection.
- These patterns can form the basis for automated cytology screening and enhanced SCC diagnostics.
