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Nanoengineered implant as a new platform for regenerative nanomedicine using 3D well-organized human cell spheroids

Authors Keller L, Idoux-Gillet Y, Wagner Q, Eap S, Brasse D, Schwinté P, Arruebo M, Benkirane-Jessel N

Received 8 July 2016

Accepted for publication 15 October 2016

Published 12 January 2017 Volume 2017:12 Pages 447—457


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Thomas Webster

Laetitia Keller,1,2,* Ysia Idoux-Gillet,1,2,* Quentin Wagner,1,2,* Sandy Eap,1,2,* David Brasse,3 Pascale Schwinté,1,2 Manuel Arruebo,4 Nadia Benkirane-Jessel1,2

1INSERM (French National Institute of Health and Medical Research), “Osteoarticular and Dental Regenerative Nanomedicine” Laboratory, UMR 1109, Faculté de Médecine, FMTS, 2University of Strasbourg, Faculté de Chirurgie Dentaire, 3CNRS (Centre National de la Recherche Scientifique), UMR 7178, IPHC (Hubert Curien Multidisciplinary Institute), Strasbourg, France; 4Department of Chemical Engineering, INA (Aragon Nanoscience Institute), University of Zaragoza, Zaragoza, Spain

*These authors contributed equally to this work

Abstract: In tissue engineering, it is still rare today to see clinically transferable strategies for tissue-engineered graft production that conclusively offer better tissue regeneration than the already existing technologies, decreased recovery times, and less risk of complications. Here a novel tissue-engineering concept is presented for the production of living bone implants combining 1) a nanofibrous and microporous implant as cell colonization matrix and 2) 3D bone cell spheroids. This combination, double 3D implants, shows clinical relevant thicknesses for the treatment of an early stage of bone lesions before the need of bone substitutes. The strategy presented here shows a complete closure of a defect in nude mice calvaria after only 31 days. As a novel strategy for bone regenerative nanomedicine, it holds great promises to enhance the therapeutic efficacy of living bone implants.

Keywords: bioengineering, implants, osteoblasts, matrix mineralization, microtissues

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