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EnglishThe effect of modifications of the extracellular matrix on the biosynthesis of glycosaminoglycans was investigated in human skin fibroblast cultures by studying UDPGDH activity in order to evaluate: a), the histoenzymological and biochemical modifications induced by chondroitinase ABC treatment (new experimental conditions were developed in order to obtain minimum cell damage); b), the reversibility of these modifications; c), the effect of growing the cells in the presence of chondroitinsulfate; d), the specificity of the modifications induced. The results demonstrated that our experimental conditions specifically affected intracellular UDPGDH activity. Chondroitinase ABC treatment induced a reversible increase of UDP-glucuronic acid synthesis. On the contrary, the presence of chondroitinsulfate in the growth medium completely inhibited UDPGDH activity.
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| Titolo: | The effect of extracellular matrix modifications on UDP-glucose dehydrogenase activity in cultured human skin fibroblasts. | |
| Autori: | ||
| Data di pubblicazione: | 1986 | |
| Rivista: | ||
| Abstract: | The effect of modifications of the extracellular matrix on the biosynthesis of glycosaminoglycans was investigated in human skin fibroblast cultures by studying UDPGDH activity in order to evaluate: a), the histoenzymological and biochemical modifications induced by chondroitinase ABC treatment (new experimental conditions were developed in order to obtain minimum cell damage); b), the reversibility of these modifications; c), the effect of growing the cells in the presence of chondroitinsulfate; d), the specificity of the modifications induced. The results demonstrated that our experimental conditions specifically affected intracellular UDPGDH activity. Chondroitinase ABC treatment induced a reversible increase of UDP-glucuronic acid synthesis. On the contrary, the presence of chondroitinsulfate in the growth medium completely inhibited UDPGDH activity. | |
| Handle: | http://hdl.handle.net/11571/137710 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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