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Keywords:

  • proteoglycans;
  • DSPG II;
  • collagen gels;
  • fibroblasts;
  • contraction;
  • wound healing

Extracts from the human dermis were prepared and evaluated with respect to their ability to influence fibroblasts to contract collagen gels in vitro. The extract which had the most inhibitory effect on fibroblasts to cause contraction of collagen gels was extract D. It also inhibited fibroblast growth. Inhibition of contraction was not simply related to fibroblast cell numbers and the data suggests a specific effect upon the ability of fibroblasts to cause contraction. Other extracts were without significant effect.