Cited by 850Bone Tissue Engineering MaterialsHydrogels: synthesis, properties, applicationsTissue Engineering and Regenerative Medicine

Repair of bone defects using synthetic mimetics of collagenous extracellular matrices

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Lutolf, Matthias P., Weber, Franz E., Schmoekel, Hugo G., Schense, Jason C., Kohler, Thomas, Müller, Ralph, Hubbell, Jeffrey A.·2003·Nature Biotechnology

Abstract

We have engineered synthetic poly(ethylene glycol) (PEG)-based hydrogels as cell-ingrowth matrices for in situ bone regeneration. These networks contain a combination of pendant oligopeptide ligands for cell adhesion (RGDSP) and substrates for matrix metalloproteinase (MMP) as linkers between PEG chains. Primary human fibroblasts were shown to migrate within these matrices by integrin- and MMP-dependent mechanisms. Gels used to deliver recombinant human bone morphogenetic protein-2 (rhBMP-2) to the site of critical- sized defects in rat crania were completely infiltrated by cells and were remodeled into bony tissue within five weeks. Bone regeneration was dependent on the proteolytic sensitivity of the matrices and their architecture. The cell-mediated proteolytic invasiveness of the gels and entrapment of rhBMP-2 resulted in efficient and highly localized bone regeneration.

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Crossref · 10.1038/nbt818

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  • Synthetic hydrogels can be functionalized with biologically active moieties that permit the growth and spread of cells; concentration and spacing of these cues can be changed independently.

    “Synthetic hydrogels can be functionalized with biologically active moieties that permit the growth and spread of cells146–151; concentration and spacing of these cues can be changed independently152–155.”

    From Towards organoid culture without Matrigel (2021) · cites this paper as [151]

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Authors
Lutolf, M. P., Weber, F. E., Schmoekel, H. G., Schense, J. C., Kohler, T., Müller, R., & Hubbell, J. A.
Affiliations
  • University Hospital Zurich (CH)
  • University of Bern (CH)
  • Straumann (Switzerland) (CH)
  • University of Zurich (CH)
Corresponding author
Hubbell, Jeffrey A.
Venue
Nature Biotechnology
Published
2003-04-21
Volume
21
Issue
5
Pages
513-518
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W1970525947
Cited by
850
References
41
Citations by year
2026: 9 · 2025: 10 · 2024: 15 · 2023: 25 · 2022: 12 · 2021: 26 · 2020: 39 · 2019: 36 · 2018: 25 · 2017: 29 · 2016: 38 · 2015: 44 · 2014: 60 · 2013: 35 · 2012: 60
FWCI
28.85
Type
journal article
Language
en
Open access
Locations
  • Nature Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion)
  • Infoscience (Ecole Polytechnique Fédérale de Lausanne) (submittedVersion, cc-by-nc-nd)
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
bone regeneration, bone defects, synthetic hydrogels, polyethylene glycol, extracellular matrix mimics, matrix metalloproteinases, integrin-mediated adhesion, fibroblast migration, BMP-2, critical-size calvarial defect, proteolysis
MeSH terms
Animals, Bone Regeneration, Collagen, Extracellular Matrix, Skull Fractures, Infusion Pumps, Implantable, Transforming Growth Factor beta, Treatment Outcome, Bone Substitutes, Bone Morphogenetic Proteins, Prostheses and Implants, Coated Materials, Biocompatible, Tissue Engineering, Biomimetic Materials, Culture Techniques, Rats, Bone Morphogenetic Protein 2

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