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Title: Expression of metalloproteinases MMP-2 and MMP-9 in sentinel lymph node and serum of patients with metastatic and non-metastatic breast cancer. Author: Daniele A, Zito AF, Giannelli G, Divella R, Asselti M, Mazzocca A, Paradiso A, Quaranta M. Journal: Anticancer Res; 2010 Sep; 30(9):3521-7. PubMed ID: 20944132. Abstract: The objective of this study was to evaluate the expression of MMP-2 and MMP-9 in sentinel lymph node and serum of breast cancer patients in order to evaluate their clinical significance and usefulness as diagnostic tumour markers. Expression of MMP-2 and MMP-9 was performed on sentinel lymph node by immunohistochemistry while gelatine zymography was used to determinate the serum expression. The association of gelatinases with clinicopathological features, were analysed. Metastatic and non-metastatic breast cancer patients and 34 healthy women were involved. Gelatinases expression were significantly higher in metastatic breast cancer in comparison to non-metastatic cancer and the control group both in the sentinel lymph node and serum. Results showed a statistically significant correlation between MMP-2 or MMP-9 and cancer familiality, MMP-9 and CA 15.3 levels, and MMP-9 and grading. This study suggests a clinical utility of these proteolytic markers in malignant tumour, growth, invasion and metastasis in breast cancer.[Abstract] [Full Text] [Related] [New Search]