Stimulated expression of decorin and the decorin gene in fibroblasts cultured from patients with localized scleroderma. 1995

T Izumi, and S Tajima, and T Nishikawa
Department of Dermatology, Keio University, School of Medicine, Tokyo, Japan.

Decorin mRNA levels, the content of decorin and the synthesis of dermatan sulphate in skin fibroblasts from patients with systemic and localized scleroderma were investigated. Approximately a 2.2-fold increase in decorin mRNA levels, was found by Northern blot analysis in localized scleroderma, but no significant changes were found in systemic scleroderma. Decorin, as measured by an immunoblot assay, was increased 2.6-fold in fibroblast cultures from localized scleroderma but not in those from systemic scleroderma. In contrast, the synthesis of dermatan sulphate was similar in both conditions. These results indicate that altered decorin gene expression causes abnormal proteoglycan metabolism in localized scleroderma.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011509 Proteoglycans Glycoproteins which have a very high polysaccharide content. Proteoglycan,Proteoglycan Type H
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D003871 Dermatan Sulfate A naturally occurring glycosaminoglycan found mostly in the skin and in connective tissue. It differs from CHONDROITIN SULFATE A (see CHONDROITIN SULFATES) by containing IDURONIC ACID in place of glucuronic acid, its epimer, at carbon atom 5. (from Merck, 12th ed) Chondroitin Sulfate B,beta-Heparin,Sulfate B, Chondroitin,Sulfate, Dermatan,beta Heparin
D005260 Female Females
D005347 Fibroblasts Connective tissue cells which secrete an extracellular matrix rich in collagen and other macromolecules. Fibroblast
D005786 Gene Expression Regulation Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control (induction or repression) of gene action at the level of transcription or translation. Gene Action Regulation,Regulation of Gene Expression,Expression Regulation, Gene,Regulation, Gene Action,Regulation, Gene Expression
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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