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DAMP-sensing receptors in sterile inflammation and inflammatory diseases

Journal

NATURE REVIEWS IMMUNOLOGY
Volume 20, Issue 2, Pages 95-112

Publisher

NATURE RESEARCH
DOI: 10.1038/s41577-019-0215-7

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The innate immune system has the capacity to detect 'non-self' molecules derived from pathogens, known as pathogen-associated molecular patterns, via pattern recognition receptors. In addition, an increasing number of endogenous host-derived molecules, termed damage-associated molecular patterns (DAMPs), have been found to be sensed by various innate immune receptors. The recognition of DAMPs, which are produced or released by damaged and dying cells, promotes sterile inflammation, which is important for tissue repair and regeneration, but can also lead to the development of numerous inflammatory diseases, such as metabolic disorders, neurodegenerative diseases, autoimmune diseases and cancer. Here we examine recent discoveries concerning the roles of DAMP-sensing receptors in sterile inflammation and in diseases resulting from dysregulated sterile inflammation, and then discuss insights into the cross-regulation of these receptors and their ligands. Host-derived molecules, the so-called damage-associated molecular patterns (DAMPs), can induce sterile inflammation. This Review provides an overview of DAMP-sensing receptors, discusses the crosstalk between these receptors and explores their role in disease.

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