期刊
BMC CANCER
卷 14, 期 -, 页码 -出版社
BMC
DOI: 10.1186/1471-2407-14-769
关键词
FAK; Breast; TMA; Prognosis
类别
资金
- National Cancer Institute
- Roswell Park Cancer Institute Cancer Center
- RO-1 [CA65910]
- Roswell Park Cancer Institute and National Cancer Institute (NCI) grant
Background: Focal adhesion Kinase (FAK) is a nonreceptor protein tyrosine kinase that is overexpressed in tumors and plays a significant role in tumor survival and metastasis. The purpose of the study is to perform correlation of FAK expression with patient prognostic factors using tissue microarrays (TMA) samples. Methods: We analyzed FAK expression by immunohistochemical staining in 196 breast primary tumor samples from stage II-IV patients and in 117 metastatic tissues matched to the primary tumors using TMA that were stained with FAK monoclonal antibody. Results: High FAK expression in primary tumors was associated with a younger age of patients (p = 0.033), lymphovascular invasion (p = 0.001) and with the triple-negative phenotype (p = 0.033). FAK expression in 117 metastatic tissues positively correlated with FAK expression in matched primary tumors by Spearman correlation analysis. In addition, a strong positive correlation was observed between high FAK expression and shorter overall survival and progression free survival in patients with metastatic tumors. Conclusions: The data demonstrate a high potential for FAK as a therapeutic target, especially in triple-negative breast cancer patients with high FAK expression.
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