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Mego M, Cierna Z, Karaba M, Minarik G, Benca J, Sedlackova T, Mrvova I, Pindak D, Rejlekova K, Mardiak J, Kalavska K. Abstract PS16-26: The prognostic role of MMP 9 in early breast cancer. Cancer Res 2021. [DOI: 10.1158/1538-7445.sabcs20-ps16-26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Matrix metalloproteinase 9 (MMP9) is involved in the extracellular matrix degradation during physiological and pathological conditions including tumorigenesis. This translational study was aimed to evaluate the prognostic role of the intratumoral MMP9 expression and correlate it with presence of CTCs in early breast cancer. Methods: A total of 318 primary breast cancer (PBC) patients were enrolled into this study. Surgical specimens were processed by the tissue microarray method and subjected to immunohistochemistry using the MMP9 monoclonal antibody. The MMP9 expression was evaluated in tumor cell as well as in tumor associated stroma. Quantitative real-time polymerase chain reaction -based assays was applied for identification of CTCs. Results: Significantly increased expression of MMP9 was found in breast cancer cells when compared to tumor associated stroma. A positive correlation was determined between MMP9 expression and hormone positive status as well as low proliferation index of analysed breast cancer tumour cells. Additionally, in tumor associated stroma was confirmed only the association with hormone receptor status. The univariate survival analysis of whole tested population detected no prognostic role of MMP9 expression neither in tumor cells (HR = 0.96, 95% CI 0.58-1.59, P = 0.864) nor in tumor associated stroma (HR = 1.29, 95% CI 0.60-2.78, P = 0.547). However, the subgroup of in hormone receptor negative and triple negative patients with absence of MMP9 expression in tumor cells and stroma had significantly better disease-free survival (DFS) (HR = 0.33, 95% CI 0.12-0.93, P = 0.025, and (HR = 0.14, 95% CI 0.00-4.81, P = 0.002, respectively) and (HR = 0.17, 95% CI 0.05-0.57, P = 0.003); (HR = 0.12, 95% CI 0.00-4.89, P = 0.001) compared with patients with presence of MMP9. Moreover, while tumor MMP9 was prognostic in CTC_EMT positive subgroup (HR = 0.40, 95% CI 0.16-0.95, P = 0.047), absence of stromal MMP9 had protective role in CTC_EP positive patients (HR = 0.18, 95% CI 0.01-2.75, P = 0.053). Conclusions: Our data suggest that the increased expression of MMP9 in PBC was related with favorable tumor characteristics. However, it´s prognostic value was limited only to hormone receptor negative, triple negative, CTC_EMT and CTC_EP positive subgroups. Therefore, we can suppose that evaluating of MMP9 tumor expression could help identify patients with increased risk of disease recurrence in these subgroups of patients.
Citation Format: Michal Mego, Zuzana Cierna, Marian Karaba, Gabriel Minarik, Juraj Benca, Tatiana Sedlackova, Ivana Mrvova, Daniel Pindak, Katarina Rejlekova, Jozef Mardiak, Katarina Kalavska. The prognostic role of MMP 9 in early breast cancer [abstract]. In: Proceedings of the 2020 San Antonio Breast Cancer Virtual Symposium; 2020 Dec 8-11; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2021;81(4 Suppl):Abstract nr PS16-26.
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Affiliation(s)
- Michal Mego
- 1Comenius University, Medical Faculty, Bratislava, Slovakia
| | - Zuzana Cierna
- 1Comenius University, Medical Faculty, Bratislava, Slovakia
| | | | - Gabriel Minarik
- 3Comenius University, Faculty of Natural Sciences, Bratislava, Slovakia
| | - Juraj Benca
- 2National Cancer Institute, Bratislava, Slovakia
| | | | - Ivana Mrvova
- 1Comenius University, Medical Faculty, Bratislava, Slovakia
| | | | | | - Jozef Mardiak
- 1Comenius University, Medical Faculty, Bratislava, Slovakia
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Kalavska K, Cierna Z, Karaba M, Minarik G, Benca J, Sedlackova T, Kolekova D, Mrvova I, Pindak D, Mardiak J, Mego M. Prognostic role of matrix metalloproteinase 9 in early breast cancer. Oncol Lett 2020; 21:78. [PMID: 33363615 PMCID: PMC7723168 DOI: 10.3892/ol.2020.12339] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 10/20/2020] [Indexed: 02/07/2023] Open
Abstract
MMP9 is involved in extracellular matrix degradation during various physiological and pathological conditions, including tumorigenesis. The present study aimed to assess the prognostic role of intratumoral MMP9 and to determine its association with circulating tumor cells (CTCs) in patients with early breast cancer. A total of 318 patients with primary breast cancer (PBC) were enrolled into the present study. Specimens were subjected to immunohistochemistry analysis, using the MMP9 monoclonal antibody. MMP9 expression was scored using a weighted histoscore (WH). The results demonstrated that the mean WH ± SEM for MMP9 expression was significantly higher in breast tumor cells compared with tumor associated stromas (132.0±5.2 vs. 50.8±3.7; P<0.00001). Furthermore, a positive association was observed between MMP9 expression, the hormone positive status and proliferation index of analysed breast cancer tumour cells. Notably, the prognostic role of MMP9 was not observed in tumor cells [hazard ratio (HR) =0.96; 95% confidence interval (CI), 0.58-1.59; P=0.864] or tumor associated stroma (HR=1.29; 95% CI, 0.60-2.78; P=0.547). Subgroup analysis demonstrated that patients that were HR negative or triple negative, with low MMP9 expression in tumor cells and stroma had a significantly improved disease-free survival than patients with high MMP9 expression. Taken together, the results of the present study demonstrated that high MMP9 expression in PBC was associated with favorable tumor characteristics. However, the prognostic value of MMP9 was limited to only the HR negative and CTC epithelial-to-mesenchymal transition positive subgroups. Thus, analyzing MMP9 tumor expression may help identify patients with increased risk of disease recurrence in these subgroups.
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Affiliation(s)
- Katarina Kalavska
- Translational Research Unit, Faculty of Medicine, Comenius University, 833 10 Bratislava, Slovakia.,Department of Molecular Oncology, Cancer Research Institute, Biomedical Research Center of the Slovak Academy of Sciences, 945 05 Bratislava, Slovakia
| | - Zuzana Cierna
- Department of Pathology, Faculty of Medicine, Comenius University, 811 08 Bratislava, Slovakia.,Department of Pathology, Faculty Hospital, 917 02 Trnava, Slovakia
| | - Marian Karaba
- Department of Oncosurgery, National Cancer Institute, 833 10 Bratislava, Slovakia.,Department of Surgical Oncology, Slovak Medical University, 833 03 Bratislava, Slovakia
| | - Gabriel Minarik
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, 811 08 Bratislava, Slovakia
| | - Juraj Benca
- Department of Oncosurgery, National Cancer Institute, 833 10 Bratislava, Slovakia.,Department of Medicine, St. Elizabeth University, 810 01 Bratislava, Slovakia
| | | | - Denisa Kolekova
- Translational Research Unit, Faculty of Medicine, Comenius University, 833 10 Bratislava, Slovakia
| | - Ivana Mrvova
- Department of Pathology, Faculty of Medicine, Comenius University, 811 08 Bratislava, Slovakia.,Department of Pathology, Faculty Hospital, 917 02 Trnava, Slovakia
| | - Daniel Pindak
- Department of Oncosurgery, National Cancer Institute, 833 10 Bratislava, Slovakia.,Department of Surgical Oncology, Slovak Medical University, 833 03 Bratislava, Slovakia
| | - Jozef Mardiak
- Second Department of Oncology, Faculty of Medicine, Comenius University, National Cancer Institute, 833 10 Bratislava, Slovakia
| | - Michal Mego
- Translational Research Unit, Faculty of Medicine, Comenius University, 833 10 Bratislava, Slovakia.,Second Department of Oncology, Faculty of Medicine, Comenius University, National Cancer Institute, 833 10 Bratislava, Slovakia
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