Influence of heat treatment on biological properties of Chitosan toward vascular cells in vitro

Sae Hwan Lim, Ki Sook Park, Hyun Sook Park, Yong Jae Gin, In Sup Noh, Chan Woong Park, Young Sook Son, Chun Ho Kim

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The effects of heat treatment of chitosan film on the proliferation of vascular cells were examined in vitro. Chitosan film was heat treated at 110°C in vacuo for 1-3 days. Heat treatment slightly improved the hydrophilicity of chitosan, although the cross-linking of chitosan took place after heat treatment. Chitosan films were cytocompatible toward smooth muscle cells (SMCs) and human dermal microvascular endothelial cells (HDMECs) before and after heat treatment of chitosan. In particular, the heat treated chitosan supported the proliferation of both vascular cell types for one day. The growth of HDMECs was greater than that of SMCs on heat treated chitosan film for one day. Heat treated chitosan has intrinsic biological activity which could contribute to a retardation of SMC growth relative to HDMECs.

Original languageEnglish
Pages (from-to)263-274
Number of pages12
JournalMacromolecular Symposia
Volume224
DOIs
StatePublished - Apr 2005

Keywords

  • Biocompatibility
  • Chitosan
  • Endothelial cells
  • Heat treatment
  • Smooth muscle cells

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