Article (Scientific journals)
Nanoparticle-containing electrospun nanofibrous scaffolds for sustained release of SDF-1α.
Molina-Peña, Rodolfo; Haji Mansor, Muhammad; Najberg, Mathie et al.
2021In International Journal of Pharmaceutics, 610, p. 121205
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Keywords :
nanofiber; electrospinning; foam; biomaterial; nanomedicine
Abstract :
[en] Chemokines such as stromal cell-derived factor-1α (SDF-1α) regulate the migration of cancer cells that can spread from their primary tumor site by migrating up an SDF-1α concentration gradient, facilitating their local invasion and metastasis. Therefore, the implantation of SDF-1α-releasing scaffolds can be a useful strategy to trap cancer cells expressing the CXCR4 receptor. In this work, SDF-1α was encapsulated into poly(lactic-co-glycolic acid) (PLGA)-based nanoparticles and subsequently electrospun with chitosan to produce nanofibrous scaffolds of average fiber diameter of 261 ± 45 nm, intended for trapping glioblastoma (GBM) cells. The encapsulated SDF-1α maintained its biological activity after the electrospinning process as assessed by its capacity to induce the migration of cancer cells. The scaffolds could also provide sustained release of SDF-1α for at least 5 weeks. Using NIH3T3 mouse fibroblasts, human Thp-1 macrophages, and rat primary astrocytes we showed that the scaffolds possessed high cytocompatibility in vitro. Furthermore, a 7-day follow-up of Fischer rats bearing implanted scaffolds demonstrated the absence of adverse effects in vivo. In addition, the nanofibrous structure of the scaffolds provided excellent anchoring sites to support the adhesion of human GBM cells by extension of their pseudopodia. The scaffolds also demonstrated slow degradation kinetics, which may be useful in maximizing the time window for trapping GBM cells. As surgical resection does not permit a complete removal of GBM tumors, our results support the future implantation of these scaffolds into the walls of the resection cavity to evaluate their capacity to attract and trap the residual GBM cells in the brain.
Research Center/Unit :
Complex and Entangled Systems from Atoms to Materials (CESAM) Research Unit
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering
Chemistry
Author, co-author :
Molina-Peña, Rodolfo;  University of Angers, University of Nantes, CRCINA INSERM, France
Haji Mansor, Muhammad;  University of Angers, University of Nantes, CRCINA INSERM, France ; University of Liège (ULiège), Complex and Entangled Systems from Atoms to Materials (CESAM) Research Unit, Center for Education and Research on Macromolecules (CERM), Belgium
Najberg, Mathie;  University of Angers, University of Nantes, CRCINA INSERM, France ; University of Santiago de Compostela, Facultad de Farmacia, and Health Research Institute of Santiago de Compostela (IDIS), Spain
Thomassin, Jean-Michel ;  University of Liège (ULiège), Complex and Entangled Systems from Atoms to Materials (CESAM) Research Unit, Center for Education and Research on Macromolecules (CERM), Belgium
Gueza, Baya;  Univ Angers, Université de Nantes, Inserm, CRCINA, SFR ICAT, F-49000 Angers, France
Alvarez-Lorenzo, Carmen;  University of Santiago de Compostela, Facultad de Farmacia, and Health Research Institute of Santiago de Compostela (IDIS), Spain
Garcion, Emmanuel;  University of Angers, University of Nantes, CRCINA INSERM, France
Jérôme, Christine  ;  University of Liège (ULiège), Complex and Entangled Systems from Atoms to Materials (CESAM) Research Unit, Center for Education and Research on Macromolecules (CERM), Belgium
Boury, Frank;  University of Angers, University of Nantes, CRCINA INSERM, France
Language :
English
Title :
Nanoparticle-containing electrospun nanofibrous scaffolds for sustained release of SDF-1α.
Publication date :
15 December 2021
Journal title :
International Journal of Pharmaceutics
ISSN :
0378-5173
eISSN :
1873-3476
Publisher :
Elsevier B.V., Netherlands
Volume :
610
Pages :
121205
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
INSERM - French Institute of Health and Medical Research
MINECO - Spanish Government. Ministry of Economy, Industry and Competitiveness
FEDER - Fonds Européen de Développement Régional
PROSTEM
BIOREGATE
NANOFAR
Funding text :
This work was supported by the “Institut National de la Santé et de la Recherche Médicale” (INSERM), the University of Angers, France; MINECO [SAF2017-83118-R], Agencia Estatal de Investigación (AEI) and Instituto de Salud Carlos III (ISCIII) [ AC19/00067 ] Cofinanciado FEDER, Spain; and FEDER (FMF - Prostem) for the University of Liege (Liege, Belgium). It is also related to the regional programs Bioimplants for Bone Regeneration (BILBO) part of the BIOREGATE Research-Training-Innovation consortium (RFI), and NanoFar + both supported by the French Région Pays-de-la-Loire; LabEx IRON “ Innovative Radiopharmaceuticals in Oncology and Neurology” as part of the French government “Investissements d’Avenir” program; the INCa (Institut National du Cancer ) MARENGO consortium “MicroRNA agonist and antagonist Nanomedicines for Glioblastoma treatment: from molecular programmation to preclinical validation” [Grant PL-BIO 2014-2020 ]; the MuMoFRaT project “Multi-scale Modeling & simulation of the response to hypo-Fractionated Radiotherapy or repeated molecular radiation Therapies” supported by La Région Pays-de-la-Loire and the Cancéropôle Grand-Ouest; and the French National Research Agency (ANR) under the frame of EuroNanoMed III (project GLIOSILK “ Silk-fibroin interventional nano-trap for the treatment of glioblastoma”) [grant ANR-19-ENM3-0003-01 ]. Muhammad Haji Mansor and Mathie Najberg were Ph.D. students involved in the EMJD ( Erasmus Mundus Joint Doctorate) NanoFar program funded by the European Education and Culture Executive Agency (EACEA). Muhammad Haji Mansor and Rodolfo Molina-Pena were PhD fellows from the French “Ministère de l'Enseignement supérieur, de la Recherche et de l’Innovation” (MESRI), while Mathie Najberg received a fellowship from La Région Pays-de-la-Loire.
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