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Gnavi, Sara; Morano, Michela; Fornasari, Benedetta Elena; Riccobono, Claudio; Tonda‐Turo, Chiara; Zanetti, Marco; Ciardelli, Gianluca; Gambarotta, Giovanna; Perroteau, Isabelle; Geuna, Stefano; Raimondo, Stefania

Combined Influence of Gelatin Fibre Topography and Growth Factors on Cultured Dorsal Root Ganglia Neurons

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  • Medientyp: E-Artikel
  • Titel: Combined Influence of Gelatin Fibre Topography and Growth Factors on Cultured Dorsal Root Ganglia Neurons
  • Beteiligte: Gnavi, Sara; Morano, Michela; Fornasari, Benedetta Elena; Riccobono, Claudio; Tonda‐Turo, Chiara; Zanetti, Marco; Ciardelli, Gianluca; Gambarotta, Giovanna; Perroteau, Isabelle; Geuna, Stefano; Raimondo, Stefania
  • Erschienen: Wiley, 2018
  • Erschienen in: The Anatomical Record
  • Sprache: Englisch
  • DOI: 10.1002/ar.23846
  • ISSN: 1932-8494; 1932-8486
  • Schlagwörter: Ecology, Evolution, Behavior and Systematics ; Histology ; Biotechnology ; Anatomy
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  • Beschreibung: <jats:title>ABSTRACT</jats:title><jats:p>Nerve guidance channels facilitate nerve regeneration and represent an attractive alternative to nerve graft. Actually, nano‐ and microstructured biomaterials for nerve reconstruction have gained much attention, thanks to recent discoveries about topography effects on cell behavior and morphology. Electrospun fibres have been proposed as filler or structural component for nerve guidance channels, principally due to their similarity with extracellular matrices which facilitate nerve regeneration. Among several tested biomaterials, gelatin has been used to prepare fibres able to support Schwann cell migration and neurite outgrowth. In this work, the effects of gelatin fibre size on axon elongation and Schwann cell migration have been tested using dorsal root ganglia cultures. Moreover, we analyzed how fibres might affect the expression of specific neuronal subtype markers in sensory neuron cultures and how the combined effect of substrate and biological cues affects neurite growth and gene expression. Data show that fibre topography differentially affects both neurite outgrowth and gene expression and suggest that fibre size and topography associated to specific growth factor exposure might be used to select neuron subpopulations and favor the axonal growth of specific neurons. Anat Rec, 301:1668–1677, 2018. © 2018 Wiley Periodicals, Inc.</jats:p>