4.8 Article

Abiotic Mimic of Endogenous Tissue Inhibitors of Metalloproteinases: Engineering Synthetic Polymer Nanoparticles for Use as a Broad-Spectrum Metalloproteinase Inhibitor

期刊

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 142, 期 5, 页码 2338-2345

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AMER CHEMICAL SOC
DOI: 10.1021/jacs.9b11481

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资金

  1. Japan Society for the Promotion of Science [15J04705]
  2. UC Irvine Undergraduate Research Opportunities Program
  3. Grants-in-Aid for Scientific Research [15J04705] Funding Source: KAKEN

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We describe a process for engineering a synthetic polymer nanoparticle (NP) that functions as an effective, broad-spectrum metalloproteinase inhibitor. Inhibition is achieved by incorporating three functional elements in the NP: a group that interacts with the catalytic zinc ion, functionality that enhances affinity to the substrate-binding pocket, and fine-tuning of the chemical composition of the polymer to strengthen NP affinity for the enzyme surface. The approach is validated by synthesis of a NP that sequesters and inhibits the proteolytic activity of snake venom metalloproteinases from five clinically relevant species of snakes. The mechanism of action of the NP mimics that of endogenous tissue inhibitors of metalloproteinases. The strategy provides a general design principle for synthesizing abiotic polymer inhibitors of enzymes.

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