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[P27Kip1 expression and its prognostic implication in breast carcinoma: a meta-analysis]
Rui-lian Xie1, Xiao-xiang Guan, Long-bang Chen
1Department of Oncology, Jingling Hospital, Medical School of Nanjing University, Nanjing 210002, China.
Zhonghua Bing Li Xue Za Zhi = Chinese Journal of Pathology
|August 7, 2008
Summary
Low expression of p27 Kip1 is a significant prognostic factor for overall survival and disease-free survival in breast cancer patients. However, its impact on relapse-free survival requires further investigation.
Area of Science:
- Oncology
- Molecular Biology
- Biomarker Research
Context:
- Breast cancer prognosis is influenced by various molecular markers.
- p27 Kip1 is a cyclin-dependent kinase inhibitor with a known role in cell cycle regulation.
- Understanding the prognostic value of p27 Kip1 can aid in patient stratification and treatment decisions.
Purpose:
- To evaluate the prognostic significance of low p27 Kip1 expression in breast carcinoma patients.
- To assess the association between p27 Kip1 levels and overall survival (OS), disease-free survival (DFS), and relapse-free survival (RFS).
Summary:
- A meta-analysis of 20 studies involving 6457 patients investigated the relationship between low p27 Kip1 expression and breast cancer outcomes.
- Low p27 Kip1 expression was significantly associated with poorer OS (RR=2.07, P<0.01) and DFS (RR=1.27, P<0.05).
- The association with RFS was not statistically significant (RR=1.49, P>0.05).
Impact:
- Low p27 Kip1 expression is identified as an independent prognostic factor for OS and DFS in breast cancer.
- Findings suggest p27 Kip1 could be a valuable biomarker for predicting patient outcomes.
- Further large-scale studies are recommended to confirm the precise prognostic role of p27 Kip1.