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Παρασκευή 15 Σεπτεμβρίου 2017

Control of Immune Cell Homeostasis and Function by lncRNAs

Publication date: Available online 14 September 2017
Source:Trends in Immunology
Author(s): Walter K. Mowel, Jonathan J. Kotzin, Sam J. McCright, Vanessa D. Neal, Jorge Henao-Mejia
The immune system is composed of diverse cell types that coordinate responses to infection and maintain tissue homeostasis. In each of these cells, extracellular cues determine highly specific epigenetic landscapes and transcriptional profiles to promote immunity while maintaining homeostasis. New evidence indicates that long non-coding RNAs (lncRNAs) play crucial roles in epigenetic and transcriptional regulation in mammals. Thus, lncRNAs have emerged as key regulatory molecules of immune cell gene expression programs in response to microbial and tissue-derived cues. We review here how lncRNAs control the function and homeostasis of cell populations during immune responses, emphasizing the diverse molecular mechanisms by which lncRNAs tune highly contextualized transcriptional programs. In addition, we discuss the new challenges faced in interrogating lncRNA mechanisms and function in the immune system.



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