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A new generation of topical chronic wound treatments containing specific MMP inhibitors

Authors Shrivastava R, Cucuat N, Rousse M, Weigand T, Neto P, Janicot C, Shrivastava C

Received 3 January 2014

Accepted for publication 28 May 2014

Published 4 September 2014 Volume 2014:1 Pages 31—40

DOI https://doi.org/10.2147/CWCMR.S59946

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 8


Ravi Shrivastava, Nathalie Cucuat, Monika Rousse, Thomas Weigand, Pedro Neto, Claire Janicot, Christiane Shrivastava

VITROBIO Research Institute, Issoire, France

Purpose: Incidence of chronic wounds is constantly rising worldwide, but all currently available treatments are intended either to provide symptomatic relief or to assist cicatrization to some extent, but not to directly stimulate cellular growth. Physiologically, chronic wound healing simply requires cell growth to fill the injured cavity. To grow, our cells need to attach onto a cushion, called extracellular matrix (ECM), secreted by the mother cells and composed of multiple proteins. Recent scientific works prove that the concentration of certain matrix metalloproteinases (MMPs) is extremely high in all chronic wounds and, because of their proteolytic nature, some MMPs completely degrade the ECM, hindering cell attachment and cell growth. The aim of this study was to identify, neutralize, and eliminate these MMPs from the wound surface so as to design an effective treatment for chronic wounds.
Methods: Acute and chronic models of human epithelial and fibroblast cells were prepared on a defined ECM cushion in vitro and MMPs were added in the culture medium to identify the MMPs causing ECM disintegration for each cell type. ECM-degrading MMPs were then incubated with selected procyanidin-rich plant extracts (PCDs) and cell growth was reanalyzed.
Results: It was observed that: 1) multiple MMPs are involved in cellular matrix destruction; 2) ECM-destroying MMPs are specific with respect to cell type; and 3) specific PCDs may bind and neutralize selected MMPs.
Conclusion: Topical application of specific plant PCDs to selectively neutralize ECM-destroying MMPs in acute and chronic wounds represents a novel approach for the treatment of superficial and deep skin wounds.

Keywords: extra cellular matrix (ECM), matrix metalloproteinases, procyanidins (PCDs), tannins, ulcers

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