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Innovative strategy to facilitate organ repair
Date:4/18/2014

This news release is available in French.

A significant breakthrough could revolutionize surgical practice and regenerative medicine. A team led by Ludwik Leibler from the Laboratoire Matire Molle et Chimie (CNRS/ESPCI Paris Tech) and Didier Letourneur from the Laboratoire Recherche Vasculaire Translationnelle (INSERM/Universits Paris Diderot and Paris 13), has just demonstrated that the principle of adhesion by aqueous solutions of nanoparticles can be used in vivo to repair soft-tissue organs and tissues. This easy-to-use gluing method has been tested on rats. When applied to skin, it closes deep wounds in a few seconds and provides aesthetic, high quality healing. It has also been shown to successfully repair organs that are difficult to suture, such as the liver. Finally, this solution has made it possible to attach a medical device to a beating heart, demonstrating the method's potential for delivering drugs and strengthening tissues. This work has just been published on the website of the journal Angewandte Chemie.

In an issue of Nature published in December last year, a team led by Ludwik Leibler presented a novel concept for gluing gels and biological tissues using nanoparticles . The principle is simple: nanoparticles contained in a solution spread out on surfaces to be glued bind to the gel's (or tissue's) molecular network. This phenomenon is called adsorption. At the same time the gel (or tissue) binds the particles together. Accordingly, myriad connections form between the two surfaces. This adhesion process, which involves no chemical reaction, only takes a few seconds. In their latest, newly published study, the researchers used experiments performed on rats to show that this method, applied in vivo, has the potential to revolutionize clinical
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Contact: Didier Letourneur
didier.letourneur@inserm.fr
33-014-025-8600
INSERM (Institut national de la sant et de la recherche mdicale)
Source:Eurekalert  

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