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Access through your institution Buy or subscribe New research suggests that tripartite motif (TRIM) family proteins act as autoantigens in idiopathic inflammatory myopathy (IIM) and
contribute to disease progression via a positive feedback loop. The findings of the study suggest that antibodies against these proteins compromise muscle membrane repair, and decreased
sarcolemmal integrity leads to aberrant autoantigen presentation that promotes autoimmunity. The researchers demonstrated that adoptive transfer of lymph node cells from
_Foxp3__–/Y__Syt7_–/– mice into recipient _Rag1_–/– mice resulted in severe inflammation in proximal muscle whereas distal muscle was spared, recapitulating the pattern seen in patients with
IIM. Notably, distal skeletal muscle had impaired membrane integrity and reduced capacity for membrane repair following injury in the absence of inflammation. This is a preview of
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Buy this article * Purchase on SpringerLink * Instant access to full article PDF Buy now Prices may be subject to local taxes which are calculated during checkout ADDITIONAL ACCESS OPTIONS:
* Log in * Learn about institutional subscriptions * Read our FAQs * Contact customer support REFERENCES ORIGINAL ARTICLE * McElhanon, K. E. et al. Autoantibodies targeting TRIM72 compromise
membrane repair and contribute to inflammatory myopathy. _J. Clin. Invest._ 6, eaba4353 (2020) Google Scholar Download references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Nature
Reviews Rheumatology http://www.nature.com/nrrheum/ Sarah Onuora Authors * Sarah Onuora View author publications You can also search for this author inPubMed Google Scholar CORRESPONDING
AUTHOR Correspondence to Sarah Onuora. RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Onuora, S. Autoantibodies disrupt muscle repair and promote IIM
progression. _Nat Rev Rheumatol_ 16, 473 (2020). https://doi.org/10.1038/s41584-020-0488-z Download citation * Published: 31 July 2020 * Issue Date: September 2020 * DOI:
https://doi.org/10.1038/s41584-020-0488-z SHARE THIS ARTICLE Anyone you share the following link with will be able to read this content: Get shareable link Sorry, a shareable link is not
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