{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T06:17:32Z","timestamp":1791181052325,"version":"4.1.0"},"reference-count":108,"publisher":"The Royal Society","issue":"12","license":[{"start":{"date-parts":[[2014,12,1]],"date-time":"2014-12-01T00:00:00Z","timestamp":1417392000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/royalsociety.org\/journals\/ethics-policies\/data-sharing-mining\/"}],"content-domain":{"domain":["royalsocietypublishing.org"],"crossmark-restriction":true},"short-container-title":["Open Biol."],"published-print":{"date-parts":[[2014,12]]},"abstract":"<jats:p>The cytosolic pattern recognition receptor NOD2 is activated by the peptidoglycan fragment muramyl dipeptide to generate a proinflammatory immune response. Downstream effects include the secretion of cytokines such as interleukin 8, the upregulation of pro-interleukin 1\u03b2, the induction of autophagy, the production of antimicrobial peptides and defensins, and contributions to the maintenance of the composition of the intestinal microbiota. Polymorphisms in NOD2 are the cause of the inflammatory disorder Blau syndrome and act as susceptibility factors for the inflammatory bowel condition Crohn's disease. The complexity of NOD2 signalling is highlighted by the observation that over 30 cellular proteins interact with NOD2 directly and influence or regulate its functional activity. Previously, the majority of reviews on NOD2 function have focused upon the role of NOD2 in inflammatory disease or in its interaction with and response to microbes. However, the functionality of NOD2 is underpinned by its biochemical interactions. Consequently, in this review, we have taken the opportunity to address the more \u2018basic\u2019 elements of NOD2 signalling. In particular, we have focused upon the core interactions of NOD2 with protein factors that influence and modulate the signal transduction pathways involved in NOD2 signalling. Further, where information exists, such as in relation to the role of RIP2, we have drawn comparison with the closely related, but functionally discrete, pattern recognition receptor NOD1. Overall, we provide a comprehensive resource targeted at understanding the complexities of NOD2 signalling.<\/jats:p>","DOI":"10.1098\/rsob.140178","type":"journal-article","created":{"date-parts":[[2014,12,18]],"date-time":"2014-12-18T15:40:19Z","timestamp":1418917219000},"page":"140178","update-policy":"https:\/\/doi.org\/10.1098\/crossmark-policy","source":"Crossref","is-referenced-by-count":96,"title":["Insights into the molecular basis of the NOD2 signalling pathway"],"prefix":"10.1098","volume":"4","author":[{"given":"Joseph P.","family":"Boyle","sequence":"first","affiliation":[{"name":"Department of Biochemistry, University of Cambridge, Cambridge, UK"},{"name":"Department of Veterinary Medicine, University of Cambridge, Cambridge, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rhiannon","family":"Parkhouse","sequence":"additional","affiliation":[{"name":"Department of Biochemistry, University of Cambridge, Cambridge, 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