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International Journal of Molecular Sciences

International Journal of Molecular Sciences

IF: 4.9
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Downregulation of MMP-9 Enhances the Anti-Migratory Effect of Cyclophosphamide in MDA-MB-231 and MCF-7 Breast Cancer Cell Lines

Published:26 November 2021 DOI: 10.3390/ijms222312783 PMID: 34884588
Magdalena Izdebska, Wioletta Zielińska, Adrian Krajewski, Marta Ha?as-Wi?niewska, Klaudia Miko?ajczyk, Maciej Gagat, Alina Grzanka

Abstract

Metastasis is one of the most urgent issues in breast cancer patients. One of the factors necessary in the migration process is the remodeling of the extracellular matrix (ECM). Metalloproteinases (MMPs) can break down the elements of the ECM, which facilitates cell movement. Many highly aggressive tumors are characterized by high levels of MMPs. In the case of breast cancer, the association between MMP-9 and the migration potential and invasiveness of cells has been demonstrated. In addition, reports indicating increased migration of breast cancer cells after the administration of the commonly used cytostatic cyclophosphamide (CP) are particularly disturbing. Hence, our research aimed to assess the effect of CP treatment on MDA-MB-231 and MCF-7 cells and how this response is influenced by the downregulation of the MMP-9 level. The obtained results suggest that CP causes a decrease in the survival of breast cancer cells of various invasiveness, and the downregulation of MMP-9 enhances this effect, mainly by inducing apoptosis. Moreover, in the group of MMP-9 siRNA-transfected CP-treated cells, a more severe reduction in invasion and migration of cells of both lines was observed, as indicated by the migration and invasion transwell assays and Wound healing assay. Hence, we suggest that CP alone may not result in satisfactory therapeutic effects. On the other hand, the use of combination therapy targeting MMP-9, together with the CP, could improve the effectiveness of the treatment. Additionally, we confirmed a relationship between the levels of MMP-9 and cytokeratin 19 (CK19).

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Procduct Name CAS Molecular Formula Supplier Price
Cyclophosphamide monohydrate 6055-19-2 C7H17Cl2N2O3P 508 suppliers $8.00-$1595.03
Cyclophosphamide monohydrate 6055-19-2 C7H17Cl2N2O3P 508 suppliers $8.00-$1595.03
Cyclophosphamide monohydrate 6055-19-2 C7H17Cl2N2O3P 508 suppliers $8.00-$1595.03
Cyclophosphamide monohydrate 6055-19-2 C7H17Cl2N2O3P 508 suppliers $8.00-$1595.03
Cyclophosphamide monohydrate 6055-19-2 - Inquiry
Cyclophosphamide monohydrate 6055-19-2 - Inquiry

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