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首页> 外文期刊>Cell metabolism >Interferon regulatory factors are transcriptional regulators of adipogenesis.
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Interferon regulatory factors are transcriptional regulators of adipogenesis.

机译:干扰素调节因子是脂肪形成的转录调节因子。

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摘要

We have sought to identify transcriptional pathways in adipogenesis using an integrated experimental and computational approach. Here, we employ high-throughput DNase hypersensitivity analysis to find regions of altered chromatin structure surrounding key adipocyte genes. Regions that display differentiation-dependent changes in hypersensitivity were used to predict binding sites for proteins involved in adipogenesis. A high-scoring example was a binding motif for interferon regulatory factor (IRF) family members. Expression of all nine mammalian IRF mRNAs is regulated during adipogenesis, and several bind to the identified motifs in a differentiation-dependent manner. Furthermore, several IRF proteins repress differentiation. This analysis suggests an important role for IRF proteins in adipocyte biology and demonstrates the utility of this approach in identifying cis- and trans-acting factors not previously suspected to participate in adipogenesis.
机译:我们试图使用整合的实验和计算方法来鉴定脂肪形成中的转录途径。在这里,我们采用高通量DNase超敏性分析来发现关键脂肪细胞基因周围染色质结构改变的区域。显示超敏反应的分化依赖性变化的区域用于预测参与脂肪形成的蛋白质的结合位点。一个高分的例子是干扰素调节因子(IRF)家族成员的结合基序。在脂肪形成过程中,所有九种哺乳动物IRF mRNA的表达均受到调控,并且有几种以分化依赖性方式与已识别的基序结合。此外,几种IRF蛋白可抑制分化。该分析表明IRF蛋白在脂肪细胞生物学中具有重要作用,并证明了该方法在鉴定以前怀疑不参与脂肪形成的顺式和反式作用因子中的实用性。

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