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Autoinflammation and autoimmunity: Bridging the divide.
MedLine Citation:
PMID:  22878274     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
As soon as autoinflammatory diseases (AIDs) emerged as new entities, they have been linked to the well known world of autoimmunity. In fact, AIDs and systemic autoimmune diseases (ADs), share some characteristics: they start with the prefix "auto" to define a pathological process directed against self; they are systemic diseases, frequently involving musculoskeletal system; both include monogenic and polygenic diseases. From the pathogenetic point of view, they are characterized by a chronic activation of immune system, which eventually leads to tissue inflammation in genetically predisposed individuals. Nevertheless, the specific effectors of the damage are different in the two groups of diseases: in AIDs the innate immune system directly causes tissue inflammation, whereas in ADs the innate immune system activates the adaptive immune system which, in turn, is responsible for the inflammatory process. Mutations in inflammasome-related proteins, particularly in NOD-like receptor (NLR) genes, have been strongly associated to the occurrence of AIDs, whereas the link between inflammasome and ADs are less clear. However, a role for this multiprotein-complex in some ADs can be postulated, since a wide spectrum of endogenous danger signals can activate NLRs and inflammasome products, including IL-1ß, can activate adaptive immunity. An association between single nucleotide polymorphisms (SNPs) localized in the inflammasome gene NLRP1 and systemic lupus erythematosus has recently been reported. AIDs and ADs are currently subdivided into two different groups, but looking at their similarities they might be considered as a single group of diseases with a large immune pathological and clinical spectrum which includes at one end pure ADs and at the other end pure AIDs.
Authors:
A Doria; M Zen; S Bettio; M Gatto; N Bassi; L Nalotto; A Ghirardello; L Iaccarino; L Punzi
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-2
Journal Detail:
Title:  Autoimmunity reviews     Volume:  -     ISSN:  1873-0183     ISO Abbreviation:  Autoimmun Rev     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101128967     Medline TA:  Autoimmun Rev     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012. Published by Elsevier B.V.
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