STAT3 involvement in the acute phase-related expression of the rat haptoglobin gene

被引：11
|
作者：
Grigorov, I [1 ]
Lazic, T [1 ]
Cvetkovic, I [1 ]
Milosavljevic, T [1 ]
Petrovic, M [1 ]
机构：
[1] Inst Biol Res, Dept Mol Biol, Belgrade, Yugoslavia
来源：
MOLECULAR BIOLOGY REPORTS | 2000年 / 27卷 / 02期
关键词：
acute-phase reaction; haptoglobin gene; STAT3; trans-acting proteins;
D O I：
10.1023/A:1007177605135
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：
Turpentine-induced acute-phase (AP) response in rats is followed by transcriptional activation of the haptoglobin (Hp) gene in liver. Analysing the promoter sequence of the rat Hp gene we postulated an involvement of Signal Transducer and Activator of Transcription 3 (STAT3) in the regulation of this process. Results obtained by using a combination of Western immunoblot and DNA-binding assays revealed AP-induced binding of constitutive 86kD- and inducible 91kD-STAT3 isoforms to the rat Hp gene inducible promoter element. On the basis of these data we assumed that AP-related interactions of these two STAT3 isoforms correlates with an activated transcriptional status of the rat Hp gene.
引用
收藏
页码：81 / 86
页数：6
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