Amphiphilic polyanhydride films promote neural stem cell adhesion and differentiation

Tissue Eng Part A. 2011 Oct;17(19-20):2533-41. doi: 10.1089/ten.TEA.2011.0095. Epub 2011 Jun 30.

Abstract

Several challenges currently exist for rational design of functional tissue engineering constructs within the host, which include appropriate cellular integration, avoidance of bacterial infections, and low inflammatory stimulation. This work describes a novel class of biodegradable, amphiphilic polyanhydrides with many desirable protein-material and cell-material attributes capable of confronting these challenges. The biocompatible amphiphilic polymer films were shown to release laminin in a stable and controlled manner, promote neural cell adhesion and differentiation, and evade inflammatory responses of the immune system. Using high-throughput approaches, it was shown that polymer chemistry plays an integral role in controlling cell-film interactions, which suggests that these polyanhydrides can be tailored to achieve the desired cell adhesion and differentiation while minimizing immune recognition. These findings have important implications for development of engineered constructs to regulate differentiation and target the growth of transplanted cells in stem cell-based therapies to treat nervous system disorders.

Publication types

  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Animals
  • Biocompatible Materials / pharmacology
  • Cell Adhesion / drug effects
  • Cell Differentiation / drug effects*
  • Hexanes / chemistry
  • Hexanes / pharmacology
  • Humans
  • Immunity / drug effects
  • Mice
  • Mice, Inbred C57BL
  • Neural Stem Cells / cytology*
  • Neural Stem Cells / drug effects
  • Neural Stem Cells / metabolism
  • Neuroglia / cytology
  • Neuroglia / drug effects
  • Polyanhydrides / chemistry
  • Polyanhydrides / pharmacology*
  • Polyethylene Glycols / chemistry
  • Polyethylene Glycols / pharmacology
  • Surface-Active Agents / chemistry
  • Surface-Active Agents / pharmacology*

Substances

  • 1,6-bis(carboxyphenoxy)hexane
  • Biocompatible Materials
  • Hexanes
  • Polyanhydrides
  • Surface-Active Agents
  • poly(1,8-bis(4-carboxyphenoxy)-3,6-dioxaoctane)
  • Polyethylene Glycols