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Assessment of Synthetic Matrix Metalloproteinase Inhibitors by Fluorogenic Substrate Assay

Assessment of Synthetic Matrix Metalloproteinase Inhibitors by Fluorogenic Substrate Assay

Ty J Lively, Dale B Bosco, Zahraa I Khamis, Qing-Xiang Amy Sang

Methods Mol Biol. 2016;1406:161-70.

PMID: 26820953

Abstract:

Matrix metalloproteinases (MMPs) are a family of metzincin enzymes that act as the principal regulators and remodelers of the extracellular matrix (ECM). While MMPs are involved in many normal biological processes, unregulated MMP activity has been linked to many detrimental diseases, including cancer, neurodegenerative diseases, stroke, and cardiovascular disease. Developed as tools to investigate MMP function and as potential new therapeutics, matrix metalloproteinase inhibitors (MMPIs) have been designed, synthesized, and tested to regulate MMP activity. This chapter focuses on the use of enzyme kinetics to characterize inhibitors of MMPs. MMP activity is measured via fluorescence spectroscopy using a fluorogenic substrate that contains a 7-methoxycoumarin-4-acetic acid N-succinimidyl ester (Mca) fluorophore and a 2,4-dinitrophenyl (Dpa) quencher separated by a scissile bond. MMP inhibitor (MMPI) potency can be determined from the reduction in fluorescent intensity when compared to the absence of the inhibitor. This chapter describes a technique to characterize a variety of MMPs through enzyme inhibition assays.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR42418264	7-Methoxy-4-coumarinylacetic acid N-succinimidyl ester			Price

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