Expression of CD147 After Neoadjuvant Chemotherapy and Its Relationship with Prognosis in Patients with Triple Negative Breast Cancer
Overview
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Background: Triple-negative breast cancer (TNBC) has rapid development and a worse prognosis, without special treatment. It is necessary to explore targeted treatment.
Objective: To explore the significance of CD147 and matrix metalloproteinase-9 (MMP-9) in TNBC and their influence on prognosis.
Methods: 81 TNBC patients admitted to our hospital and 86 healthy individuals undergoing physical examination from August 2014 to August 2016 were included. The concentrations of serum CD147 and MMP-9, their diagnostic value, and their relationship with clinicopathologic features were analyzed. A 3-year follow-up visit was conducted to assess the prognostic effect of CD147. Its effect on the biologic behavior of breast cancer cells was also determined.
Results: Higher serum CD147 and MMP-9 levels were found in TNBC patients than healthy individuals (P<0.05). CD147 and MMP-9 were closely related to the pathologic stage, metastasis, and differentiation of the tumors (P<0.05). A positive correlation between CD147 and MMP-9 was detected before chemotherapy (n=127, r=0.609, P<0.01), with similar expression rates of CD147 (76.9%) and MMP-9 (80.67%) (P>0.05). The 2 markers were independent risk factors for poor prognosis in TNBC (P=0.023; P=0.015), and increased CD147/MMP-9 expression was significantly related to treatment failure. After chemotherapy, the expression of CD147 in TNBC patients decreased, and higher expression predicted death (P<0.05). The sensitivity and specificity of CD147 for death in 3-year follow-up were 76.92% and 88.89%, and the expression of CD147 in breast cancer cells was increased (P<0.001). Interfering with CD147 can decrease the proliferation and invasion of breast cancer cells and increase apoptotic rate (P<0.05).
Conclusion: CD147 can promote the proliferation and invasion of breast cancer cells, which underlines its value in the diagnosis and treatment of TNBC.
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