Abstract
The platelet-derived microparticles (PMPs) have been connected with tumor progression and metastatic dissemination. PMPs infiltrate solid tumors and transfer platelet-derived cargo to cancer cells. The functional roles of PMPs in cancer progression are still poorly understood. PMPs, incorporated by colorectal cancer (CRC) cells, were shown to upregulate the expression and activity of matrix metalloproteases (MMPs). To investigate the impact of PMPs on the invasive potential of CRC, we established the protocol of dequenched gelatin (DG), fluorescein conjugate assay. The procedure confirms the activity of two gelatinases, namely, MMP2 and MMP9, that digest denatured collagen (gelatin). This “step-by-step” protocol, with notes and comments implemented to human CRC lines with different phenotypes and migratory potentials, should be sufficient to obtain representative and elegant results.
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Kryczka, J., Kassassir, H., Papiewska-Pająk, I., Boncela, J. (2024). Gelatin In Situ Zymography to Study Gelatinase Activity in Colon Cancer Cells Treated with Platelet Microparticles (PMPs). In: Santamaria, S. (eds) Proteases and Cancer. Methods in Molecular Biology, vol 2747. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-3589-6_14
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DOI: https://doi.org/10.1007/978-1-0716-3589-6_14
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