Discovering modulators of gene expression.

Discovering modulators of gene expression.
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DOI:
10.1093/nar/gkq287
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发表时间:
2010-09
影响因子:
14.9
通讯作者:
Dogrusoz U
Dogrusoz U
中科院分区:
生物学2区
文献类型:
--
作者:
Babur O;Demir E;Gönen M;Sander C;Dogrusoz U

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调节转录因子活性的蛋白质,通常称为调节剂,在产生组织特异性和环境特异性基因表达响应细胞接收的信号中发挥关键作用。GEM(Gene Expression Modulation)是一种概率框架,通过结合基因表达谱、蛋白质-蛋白质相互作用和转录因子-靶点关系来预测调节剂、其受影响的靶点和作用模式。使用GEM,我们正确地预测了大量的雄激素受体调节剂,并观察到大多数调节剂可以作为不同靶基因的共激活剂和共抑制剂。
Proteins that modulate the activity of transcription factors, often called modulators, play a critical role in creating tissue- and context-specific gene expression responses to the signals cells receive. GEM (Gene Expression Modulation) is a probabilistic framework that predicts modulators, their affected targets and mode of action by combining gene expression profiles, protein–protein interactions and transcription factor–target relationships. Using GEM, we correctly predicted a significant number of androgen receptor modulators and observed that most modulators can both act as co-activators and co-repressors for different target genes.
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