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Akap3 Correlates With Triple Negative Status and Disease Free Survival in Breast Cancer Publisher Pubmed



Esmaeili R1 ; Majidzadeha K1, 2 ; Farahmand L1 ; Ghasemi M2 ; Salehi M1 ; Khoshdel AR3
Authors
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Authors Affiliations
  1. 1. Breast Cancer Research Center, ACECR, Cancer Genetics Department, No 146, South Gandhi Ave, Vanak Sq., Tehran, Iran
  2. 2. AJA University of Medical Sciences, Tasnim Biotechnology Research Center (TBRC), School of Medicine, Tehran, Iran
  3. 3. Aja University of Medical Science, Department of epidemiology, School of Medicine, Tehran, Iran

Source: BMC Cancer Published:2015


Abstract

Background: Cancer-testis antigens are among the new promising biomarkers, especially for targeted therapy. Aberrant and specific expression of these proteins has been reported in some tumor tissues. Also understanding their differential role in normal and cancer tissues may introduce them as new candidates for biomarker in cancer. Methods: AKAP3 expression was investigated in 162 tumors, normal adjacent and normal tissues of the breast with Real-Time PCR. Also the correlation between the gene expression and clinico-pathologic features of the tumors and treatment regimen was evaluated. Results: There was an association between lack of AKAP3 expression in tumor tissues and triple negative status (p= 03). There was also a correlation between lack of this marker and tumor size (p = .01) and stage (p = .04). Lack of AKAP3 in normal adjacent tissues was associated with poor prognosis. Kaplan Meier plot demonstrated a remarkable better 5-year disease free survival in AKAP3 positive normal adjacent group. Conclusions: It was found that this relationship is originated from the difference in AKAP3 expression, not therapy distribution between two groups of patients. Thus, it may be a proper biomarker candidate for triple negative breast cancer patients. Also, testing AKAP3 in normal tissue of the patients may be used to predict the outcome of the treatment. © 2015 Esmaeili et al.