Abstract
A qualitative assessment was made of the type of glycosaminoglycans (GAG) present in normal human dental pulp using electrophoresis on cellulose-acetate plates. A comparison was also made between the GAG derived directly from the dental pulp (in vivo) and those derived from cultured pulp fibroblasts from the same individual (in vitro). The results of this study showed four main types of GAG in normal human dental pulp tissue, which were dermatan sulfate, heparan sulfate, hyaluronic acid, and chondroitin sulfate. GAG synthesis from cultured pulp fibroblasts in vitro was different from the GAG present in the dental pulp (in vivo). Extracellular GAG, as well as pericellular GAG consisted of dermatan sulfate, hyaluronic acid, chondroitin sulfate, and heparin. Cellular GAG, however, contained only dermatan sulfate, hyaluronic acid, and chondroitin sulfate. There was no difference in type of GAG from the second and fourth passaged pulp fibroblasts.
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