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MODULATION OF GLYCOSAMINOGLYCAN BIOSYNTHESIS BY RETINOIDS

Stanley S. Shapiro, Dante J. Mott

Open publisher page 32 citations

Abstract

In conclusion, retinoids modulate phenotypic changes such as morphology, adhesion, and growth rate. These changes also result in specific alterations of glycosaminoglycans. We have observed increases in the degree of sulfation in fibroblast matrix heparan sulfate and, a change in the ratio of sulfamido to ester sulfate in matrix heparan sulfate in 407 cell surface. Matrix glycosaminoglycans have been functionally implicated in cellular interactions, and have a specific role in adhesion and growth rates. Our results are consistent with the proposed role for heparan sulfate. It is possible that some of the modulation in cellular behavior resulting from retinoid treatment may be mediated by cell surface and cellular changes in heparan sulfate and other glycosaminoglycans.

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What this paper is about

In conclusion, retinoids modulate phenotypic changes such as morphology, adhesion, and growth rate. These changes also result in specific alterations of glycosaminoglycans. We have observed increases in the degree of sulfation in fibroblast matrix heparan sulfate and, a change in the ratio of sulfamido to ester sulfate in matrix heparan sulfate in 407 cell surface. Matrix glycosaminoglycans have been functionally implicated in cellular interactions, and have a specific role in adhesion and growth rates. Our results are consistent with the proposed role for heparan sulfate. It is possible that some of the modulation in cellular behavior resulting from retinoid treatment may be mediated by cell surface and cellular changes in heparan sulfate and other glycosaminoglycans.

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Available abstract

In conclusion, retinoids modulate phenotypic changes such as morphology, adhesion, and growth rate. These changes also result in specific alterations of glycosaminoglycans. We have observed increases in the degree of sulfation in fibroblast matrix heparan sulfate and, a change in the ratio of sulfamido to ester sulfate in matrix heparan sulfate in 407 cell surface. Matrix glycosaminoglycans have been functionally implicated in cellular interactions, and have a specific role in adhesion and growth rates. Our results are consistent with the proposed role for heparan sulfate. It is possible that some of the modulation in cellular behavior resulting from retinoid treatment may be mediated by cell surface and cellular changes in heparan sulfate and other glycosaminoglycans.

Key concepts: Heparan sulfate, Glycosaminoglycan, Sulfation, Chemistry, Extracellular matrix, Cell biology, Fibroblast growth factor, Cell adhesion

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