P53 marker expression in epithelial ovarian tumours in a centre in Nigeria - a descriptive study
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View abstract on PubMed
Summary
This summary is machine-generated.p53 protein expression patterns vary in epithelial ovarian tumors. Many high-grade serous ovarian carcinomas show abnormal p53, potentially impacting patient survival.
Area Of Science
- Oncology
- Pathology
- Molecular Biology
Background
- p53 is a crucial tumor suppressor gene.
- p53 expression correlates with biological behavior and survival in epithelial ovarian tumors (EOTs).
- Limited data exists on p53 expression in EOTs among Nigerian women.
Purpose Of The Study
- To investigate p53 expression patterns in diverse epithelial ovarian tumors.
- To analyze p53 expression in relation to tumor type and grade in a Nigerian cohort.
Main Methods
- Retrospective analysis of 51 formalin-fixed, paraffin-embedded EOT tissue blocks.
- Immunohistochemical analysis using p53 antibodies.
- Scoring of p53 expression (negative, wild-type, overexpression) based on the Cytomation system.
Main Results
- 29 of 51 cases showed no p53 expression (21 benign, 2 borderline, 6 malignant).
- Wild-type p53 expression observed in 9 cases (6 serous, 2 mucinous, 1 signet ring).
- p53 overexpression found in 13 cases (12 serous, 1 endometrioid); significant association with high-grade serous carcinoma.
Conclusions
- Most ovarian carcinomas in this cohort were high-grade.
- Abnormal p53 expression (overexpression or loss) is common in serous carcinomas.
- Altered p53 expression may contribute to poor patient outcomes in epithelial ovarian cancer.
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