Enhanced Schwann cell attachment and alignment using one-pot "dual click" GRGDS and YIGSR derivatized nanofibers

Biomacromolecules. 2015 Jan 12;16(1):357-63. doi: 10.1021/bm501552t. Epub 2014 Dec 17.

Abstract

Using metal-free click chemistry and oxime condensation methodologies, GRGDS and YIGSR peptides were coupled to random and aligned degradable nanofiber networks postelectrospinning in a one-pot reaction. The bound peptides are bioactive, as demonstrated by Schwann cell attachment and proliferation, and the inclusion of YIGSR with GRGDS alters the expression of the receptor for YIGSR. Additionally, aligned nanofibers act as a potential guidance cue by increasing the aspect ratio and aligning the actin filaments, which suggest that peptide-functionalized scaffolds would be useful to direct SCs for peripheral nerve regeneration.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Biodegradation, Environmental
  • Cell Adhesion / drug effects
  • Cell Line
  • Cell Proliferation / drug effects
  • Click Chemistry
  • Nanofibers / chemistry*
  • Oligopeptides / pharmacology*
  • Rats
  • Schwann Cells / cytology*
  • Schwann Cells / drug effects
  • Schwann Cells / physiology
  • Tissue Engineering
  • Tissue Scaffolds

Substances

  • Oligopeptides
  • tyrosyl-isoleucyl-glycyl-seryl-arginine
  • glycyl-arginyl-glycyl-aspartyl-serine