Tissue engineering of autologous cartilage transplants for rhinology

Am J Rhinol. 1998 Jan-Feb;12(1):59-63. doi: 10.2500/105065898782102972.

Abstract

In reconstructive surgery there is increasing demand for cartilage transplants to fill defects, especially nose and/or outer ear defects. Tissue engineering is one of the most modern pathways to generate autologous cartilage transplants. Isolated chondrocytes obtained from a tiny patient's biopsy were seeded on bioresorbable preshaped cell carriers to provide a 3-dimensional cell arrangement as in vivo. The combined use of these cell carriers in form of a non-woven mesh and a constant medium perfusion was performed to generate a cartilage-like cell-polymer-construct, which was finally subcutanously implanted in nude mice for full maturation. After explantation of 6 months, expression of cartilage specific extracellular matrix molecules was obvious by using histochemical and immunohistochemical methods. These data show that tissue engineering with isolated multiplied human chondrocytes from a tiny biopsy seeded on bioresorbable polymer is a promising system to generate autologous cartilage transplants for replacements in reconstructive surgery.

MeSH terms

  • Animals
  • Biomedical Engineering / methods*
  • Cartilage / cytology
  • Cartilage / growth & development*
  • Cartilage / transplantation*
  • Cell Differentiation / physiology
  • Cell Division / physiology
  • Cells, Cultured
  • Chondrocytes / cytology
  • Chondrocytes / physiology
  • Cytological Techniques
  • Humans
  • Mice
  • Mice, Nude
  • Nasal Septum / cytology
  • Nose / surgery*
  • Phenotype