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Annual Review of Immunology

Volume 39, 2021

Epigenetic Remodeling in Innate Immunity and Inflammation

Abstract

The innate immune response is a rapid response to pathogens or danger signals. It is precisely activated not only to efficiently eliminate pathogens but also to avoid excessive inflammation and tissue damage. -Regulatory element–associated chromatin architecture shaped by epigenetic factors, which we define as the epiregulome, endows innate immune cells with specialized phenotypes and unique functions by establishing cell-specific gene expression patterns, and it also contributes to resolution of the inflammatory response. In this review, we focus on two aspects: () how niche signals during lineage commitment or following infection and pathogenic stress program epiregulomes by regulating gene expression levels, enzymatic activities, or gene-specific targeting of chromatin modifiers and () how the programed epiregulomes in turn mediate regulation of gene-specific expression, which contributes to controlling the development of innate cells, or the response to infection and inflammation, in a timely manner. We also discuss the effects of innate immunometabolic rewiring on epiregulomes and speculate on several future challenges to be encountered during the exploration of the master regulators of epiregulomes in innate immunity and inflammation.

Keyword(s): chromatin modifier, dendritic cell, epiregulome, immune memory, innate immunity, macrophage, metabolite
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/content/journals/10.1146/annurev-immunol-093019-123619
2021-04-26
2024-05-09
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Epigenetic Remodeling in Innate Immunity and Inflammation
Annual Review of Immunology 39, 279 (2021); https://doi.org/10.1146/annurev-immunol-093019-123619
/content/journals/10.1146/annurev-immunol-093019-123619
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