A Long Noncoding RNA Mediates Both Activation and Repression of Immune Response Genes

被引:1143
作者
Carpenter, Susan [1 ,2 ]
Aiello, Daniel [1 ]
Atianand, Maninjay K. [1 ]
Ricci, Emiliano P. [3 ]
Gandhi, Pallavi [1 ]
Hall, Lisa L. [4 ]
Byron, Meg [4 ]
Monks, Brian [1 ]
Henry-Bezy, Meabh [1 ]
Lawrence, Jeanne B. [4 ]
O'Neill, Luke A. J. [2 ]
Moore, Melissa J. [3 ]
Caffrey, Daniel R. [1 ]
Fitzgerald, Katherine A. [1 ]
机构
[1] Univ Massachusetts, Sch Med, Dept Med, Div Infect Dis & Immunol, Worcester, MA 01605 USA
[2] Trinity Coll Dublin, Sch Biochem & Immunol, Dublin 2, Ireland
[3] Univ Massachusetts, Sch Med, Howard Hughes Med Inst, Worcester, MA 01605 USA
[4] Univ Massachusetts, Sch Med, Dept Cell & Dev Biol, Worcester, MA 01605 USA
关键词
IN-VIVO; EXPRESSION; REVEALS; GENOME; CELLS; A/B; TRANSCRIPTOMES; OSTEOPONTIN; TRANSLATION; RESOLUTION;
D O I
10.1126/science.1240925
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
070301 [无机化学]; 070403 [天体物理学]; 070507 [自然资源与国土空间规划学]; 090105 [作物生产系统与生态工程];
摘要
An inducible program of inflammatory gene expression is central to antimicrobial defenses. This response is controlled by a collaboration involving signal-dependent activation of transcription factors, transcriptional co-regulators, and chromatin-modifying factors. We have identified a long noncoding RNA (lncRNA) that acts as a key regulator of this inflammatory response. Pattern recognition receptors such as the Toll-like receptors induce the expression of numerous lncRNAs. One of these, lincRNA-Cox2, mediates both the activation and repression of distinct classes of immune genes. Transcriptional repression of target genes is dependent on interactions of lincRNA-Cox2 with heterogeneous nuclear ribonucleoprotein A/B and A2/B1. Collectively, these studies unveil a central role of lincRNA-Cox2 as a broad-acting regulatory component of the circuit that controls the inflammatory response.
引用
收藏
页码:789 / 792
页数:4
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