Measuring Signaling and RNA-Seq in the Same Cell Links Gene Expression to Dynamic Patterns of NF-κB Activation.
Measuring Signaling and RNA-Seq in the Same Cell Links Gene Expression to Dynamic Patterns of NF-κB Activation.
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在同一细胞中测量信号传导和 RNA-Seq 将基因表达与 NF-κB 激活的动态模式联系起来。
DOI:
10.1016/j.cels.2017.03.010
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发表时间:
2017-04-26
期刊:
影响因子:
9.3
通讯作者:
Covert MW
中科院分区:
文献类型:
--
作者:
Lane K;Van Valen D;DeFelice MM;Macklin DN;Kudo T;Jaimovich A;Carr A;Meyer T;Pe'er D;Boutet SC;Covert MW
Signaling proteins display remarkable cell-to-cell heterogeneity in their dynamic responses to stimuli, but the consequences of this heterogeneity remain largely unknown. For instance, the contribution of the dynamics of the innate immune transcription factor nuclear factor κB (NF-κB) to gene expression output is disputed. Here we explore these questions by integrating live-cell imaging approaches with single-cell sequencing technologies. We used this approach to measure both the dynamics of lipopolysaccharide-induced NF-κB activation and the global transcriptional response in the same individual cell. Our results identify multiple, distinct cytokine expression patterns that are correlated with NF-κB activation dynamics, establishing a functional role for NF-κB dynamics in determining cellular phenotypes. Applications of this approach to other model systems and single-cell sequencing technologies have significant potential for discovery, as it is now possible to trace cellular behavior from the initial stimulus, through the signaling pathways, down to genome-wide changes in gene expression, all inside of a single cell. We present an integrated live-cell imaging and single-cell RNA-seq approach and use it to investigate the link between NF-κB dynamics and gene expression in the same single cell.
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