NONUNIFORM INFLUENCE OF TRANSFORMING GROWTH-FACTOR-BETA ON THE BIOSYNTHESIS OF DIFFERENT FORMS OF SMALL CHONDROITIN SULFATE DERMATAN SULFATE PROTEOGLYCAN

被引:73
作者
BREUER, B [1 ]
SCHMIDT, G [1 ]
KRESSE, H [1 ]
机构
[1] UNIV MUNSTER,INST PHYSIOL CHEM & PATHOBIOCHEM,WALDEYERSTR 15,W-4400 MUNSTER,GERMANY
关键词
D O I
10.1042/bj2690551
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The influence of transforming growth factor-β (TGF-β) on the expression of different forms of small proteoglycans was investigated in human skin fibroblasts and in a human osteosarcoma cell line. TGF-β was not found to act as a general stimulator of small proteoglycan biosynthesis. In both cell types, an increased expression of the core protein of proteoglycan I was found. However, there was a profound decrease in the expression of a 106 kDa core protein, and either no alteration or a small decrease in the biosynthesis of the collagen-binding small proteoglycan II core protein. These results show that the production of individual members of the small proteoglycan family is differentially regulated.
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页码:551 / 554
页数:4
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