RETINOID-X RECEPTOR-ALPHA TRANSACTIVATES THE HEPATITIS-B VIRUS ENHANCER-1 ELEMENT BY FORMING A HETERODIMERIC COMPLEX WITH THE PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR

被引:58
作者
HUAN, BF
KOSOVSKY, MJ
SIDDIQUI, A
机构
[1] UNIV COLORADO,SCH MED,DEPT MICROBIOL,DENVER,CO 80262
[2] UNIV COLORADO,SCH MED,PROGRAM MOLEC BIOL,DENVER,CO 80262
关键词
D O I
10.1128/JVI.69.1.547-551.1995
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The hepatitis B virus enhancer 1 contains a retinoic acid responsive element (RARE). We have previously demonstrated that retinoid X receptor alpha (RXR alpha) transactivates enhancer 1 by binding to the RARE. The present study has revealed that a heterodimeric complex composed of RXR alpha and peroxisome proliferator-activated receptor (PPAR) interacts with the hepatitis B virus RARE. Transient transfection studies in conjunction with in vitro DNA binding data, support the hypothesis that the RXR alpha-PPAR heterodimer transactivates enhancer 1.
引用
收藏
页码:547 / 551
页数:5
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