Abstract
Ageing and skin exposure to UV radiation induces production and activation of matrix metalloproteinases (MMPs) and human neutrophil elastase (HNE). These enzymes are known to break down the extracellular matrix (ECM) which leads to wrinkle formation. Here, we demonstrated the potential of a solid-in-oil nanodispersion containing a competitive inhibitor peptide of HNE mixed with hyaluronic acid (HA), displaying 158 nm of mean diameter, to protect the skin against the ageing effects. Western blot analysis demonstrated that activation of MMP-1 in fibroblasts by HNE treatment is inhibited by the solid-in-oil nanodispersion containing the peptide and HA. The results clearly demonstrate that solid-in-oil nanodispersion containing the HNE inhibitor peptide is a promising strategy for anti-ageing effects. This effect can be seen particularly by ECM regulation by affecting fibroblasts. The formulation also enhances the formation of thicker bundles of actin filaments.
Keywords: Diffusion, immunoassay, protease, inhibitory peptide, nanodispersion, proteolysis.
Protein & Peptide Letters
Title:Assessment of a Protease Inhibitor Peptide for Anti-Ageing
Volume: 22 Issue: 11
Author(s): Madalena Martins, Nuno G. Azoia, Ana C. Carvalho, Carla Silva, Teresa Matamá, Andreia C. Gomes and Artur Cavaco-Paulo
Affiliation:
Keywords: Diffusion, immunoassay, protease, inhibitory peptide, nanodispersion, proteolysis.
Abstract: Ageing and skin exposure to UV radiation induces production and activation of matrix metalloproteinases (MMPs) and human neutrophil elastase (HNE). These enzymes are known to break down the extracellular matrix (ECM) which leads to wrinkle formation. Here, we demonstrated the potential of a solid-in-oil nanodispersion containing a competitive inhibitor peptide of HNE mixed with hyaluronic acid (HA), displaying 158 nm of mean diameter, to protect the skin against the ageing effects. Western blot analysis demonstrated that activation of MMP-1 in fibroblasts by HNE treatment is inhibited by the solid-in-oil nanodispersion containing the peptide and HA. The results clearly demonstrate that solid-in-oil nanodispersion containing the HNE inhibitor peptide is a promising strategy for anti-ageing effects. This effect can be seen particularly by ECM regulation by affecting fibroblasts. The formulation also enhances the formation of thicker bundles of actin filaments.
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Martins Madalena, Azoia G. Nuno, Carvalho C. Ana, Silva Carla, Matamá Teresa, Gomes C. Andreia and Cavaco-Paulo Artur, Assessment of a Protease Inhibitor Peptide for Anti-Ageing, Protein & Peptide Letters 2015; 22 (11) . https://dx.doi.org/10.2174/0929866522666150907111351
DOI https://dx.doi.org/10.2174/0929866522666150907111351 |
Print ISSN 0929-8665 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5305 |
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