Electromagnetic enhancement of a culture of human SAOS-2 osteoblasts seeded onto titanium fiber-mesh scaffolds. (Articolo in rivista)

Type
Label
  • Electromagnetic enhancement of a culture of human SAOS-2 osteoblasts seeded onto titanium fiber-mesh scaffolds. (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/jbm.a.31827 (literal)
Alternative label
  • Fassina L, Saino E, Visai L, Silvani G, Cusella De Angelis MG, Mazzini G, Benazzo F, Magenes G. (2008)
    Electromagnetic enhancement of a culture of human SAOS-2 osteoblasts seeded onto titanium fiber-mesh scaffolds.
    in Journal of biomedical materials research. Part A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fassina L, Saino E, Visai L, Silvani G, Cusella De Angelis MG, Mazzini G, Benazzo F, Magenes G. (literal)
Pagina inizio
  • 750 (literal)
Pagina fine
  • 759 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 87 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Informatica e Sistemistica, University of Pavia, Pavia, Italy; Dipartimento di Biochimica, University of Pavia, Pavia, Italy; Dipartimento di Medicina Sperimentale, University of Pavia, Pavia, Italy; IGM-CNR Istochimica e Citometria; Dip.Biol. Animale Università, Pavia, Italy; Dipartimento SMEC, IRCCS San Matteo, University of Pavia, Pavia, Italy; Centro di Ingegneria Tissutale (C.I.T.), University of Pavia, Pavia, Italy (literal)
Titolo
  • Electromagnetic enhancement of a culture of human SAOS-2 osteoblasts seeded onto titanium fiber-mesh scaffolds. (literal)
Abstract
  • The surface properties of a biomaterial are fundamental in order to determine the response of the host tissue. In the present study we have followed a particular biomimetic strategy where electromagnetically stimulated SAOS-2 human osteoblasts proliferated and built a calcified extracellular matrix on a titanium fiber-mesh surface. In comparison with control conditions, the electromagnetic stimulation (magnetic field intensity, 2 mT; frequency, 75 Hz) caused higher cell proliferation and increased surface coating with type-I collagen, decorin, and osteopontin (9.8-fold, 11.3-fold, and 9.5-fold, respectively). RT-PCR analysis revealed the electromagnetically upregulated transcription specific for the foregoing matrix proteins and for the growth factor TGF-b. The immunofluorescence of type-I collagen, decorin, and osteopontin showed their colocalization in the cell-rich areas. The use of an electromagnetic bioreactor aimed at obtaining the surface modification of the biocompatible metallic scaffold in terms of cell colonization and coating with calcified extracellular matrix. The superficially modified biomaterial could be used, in clinical applications, as an implant for bone repair. (literal)
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