Glutathione S-transferase (placental) as a marker of transformation in the human cervix uteri: an immunohistochemical study
1990
Glutathione S-transferase as a marker in cervical cancer
Sample size: 67
publication
Evidence: low
Author Information
Author(s): B.J. Randall, B. Angus, R. Akiba, A. Hall, A.R. Cattan, S.J. Proctor, R.A. Jones, C.H.W. Horne
Primary Institution: University of Newcastle upon Tyne
Hypothesis
Is glutathione S-transferase (GST) a useful marker for transformation in the human cervix?
Conclusion
GST shows limited specificity and sensitivity as a marker of cervical neoplasia.
Supporting Evidence
- Normal cervical tissue showed weak GST staining, while all grades of CIN showed intense nuclear staining.
- Invasive carcinomas generally showed less intense nuclear staining than CIN lesions.
- GST expression was not associated with koilocytosis in the study.
Takeaway
This study looked at a protein called GST in cervical tissue samples to see if it could help identify cancer. They found it wasn't very helpful.
Methodology
The study used immunohistochemical techniques on paraffin sections of cervical biopsies to evaluate GST expression.
Limitations
GST may not detect invasive carcinomas and has limited use as a diagnostic tool.
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