Cited by 8Bone Tissue Engineering MaterialsHydrogels: synthesis, properties, applicationsTissue Engineering and Regenerative Medicine

Nanobiocomposite based on natural polyelectrolytes for bone regeneration

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Belluzo, M. Soledad, Medina, Lara F., Molinuevo, M. Silvina, Cortizo, M. Susana, Cortizo, Ana M.·2020·Journal of Biomedical Materials Research Part A

Abstract

We developed a composite hydrogel based on chitosan and carboxymethyl cellulose with nanometric hydroxyapatite (nHA) as filler (ranging from 0.5 to 5%), by ultrasonic methodology to be used for bone regeneration. The 3D porous-structure of the biocomposite scaffolds were confirmed by Scanning Electron Microscopy and Microtomography analysis. Infrared analysis did not show specific interactions between the organic components of the composite and nHA in the scaffold. The hydrogel properties of the matrices were studied by swelling and mechanical tests, indicating that the scaffold presented a good mechanical behavior. The degradation test demonstrated that the material is slowly degraded, while the addition of nHA slightly influences the degradation of the scaffolds. Biocompatibility studies carried out with bone marrow mesenchymal progenitor cells (BMPC) showed that cell proliferation and alkaline phosphatase activity were increased depending on the matrix nHA content. On the other hand, no cytotoxic effect was observed when RAW264.7 cells were seeded on the scaffolds. Altogether, our results allow us to conclude that these nanobiocomposites are promising candidates to induce bone tissue regeneration.

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Crossref · 10.1002/jbm.a.36917

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Authors
Belluzo, M. S., Medina, L. F., Molinuevo, M. S., Cortizo, M. S., & Cortizo, A. M.
Affiliations
  • Consejo Nacional de Investigaciones Científicas y Técnicas (AR)
  • Universidad Nacional de La Plata (AR)
Corresponding author
Belluzo, M. Soledad
Venue
Journal of Biomedical Materials Research Part A
Publisher
Wiley
Published
2020-03-29
Volume
108
Issue
7
Pages
1467-1478
ISSN
  • 1549-3296 (ISSN-L)
  • 1552-4965
OpenAlex
W3011890117
Cited by
8
References
40
Citations by year
2023: 3 · 2022: 2 · 2021: 3
FWCI
0.63
Type
journal article
Language
en
Open access
Locations
  • Journal of Biomedical Materials Research Part A (publishedVersion)
  • PubMed (publishedVersion)
  • Conicet (submittedVersion, cc-by-nc-sa)
Funders
Fondo para la Investigación Científica y Tecnológica (PICT 2016‐1560)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Bone Tissue Engineering Materials
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
  • Health Sciences › Medicine › Surgery › Tissue Engineering and Regenerative Medicine
Keywords
bionanocomposites, chitosan, carboxymethyl cellulose, hydroxyapatite nanoparticles, bone regeneration, hydrogel scaffolds, sonication, porous scaffolds, scaffold degradation, biocompatibility, mesenchymal progenitor cells, alkaline phosphatase activity, cytotoxicity
MeSH terms
RAW 264.7 Cells, Polyelectrolytes, Animals, Biocompatible Materials, Bone Regeneration, Carboxymethylcellulose Sodium, Cell Line, Durapatite, Chitosan, Mice, Tissue Scaffolds, Mesenchymal Stem Cells

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