Document Detail

Update in juvenile myositis.
MedLine Citation:
PMID:  24061078     Owner:  NLM     Status:  MEDLINE    
PURPOSE OF REVIEW: This update on childhood idiopathic inflammatory myopathies (IIMs) reviews recent progress in the field of translational science and clinical research over the past 12-18 months.
RECENT FINDINGS: Several new studies, including results from the international genome-wide association study, point to abnormalities of the adaptive immune system in childhood IIMs. Circulating T-follicular helper cells promote plasma cell differentiation and have been found in high levels in juvenile dermatomyositis (JDM), which may account the frequency of autoantibodies seen in this disease. One of the latest to be identified in JDM targets the protein NXP-2 and is associated with an increased risk of calcinosis in young patients. The first randomized controlled clinical trial in refractory adult and childhood IIMs was reported this year. B-cell depletion with the anti-CD20 antibody, rituximab, failed to achieve its primary end point, but patients with JDM did show good improvement in disease activity. A new international definition of disease remission in JDM has been agreed, which will aid disease assessment in future therapeutic trials.
SUMMARY: The challenges of studying a rare disease such as JDM have been overcome by several collaborative studies and have led to significant progress in understanding the cause, treatment and prognosis of childhood IIMs.
Kiran Nistala; Lucy R Wedderburn
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Current opinion in rheumatology     Volume:  25     ISSN:  1531-6963     ISO Abbreviation:  Curr Opin Rheumatol     Publication Date:  2013 Nov 
Date Detail:
Created Date:  2013-09-25     Completed Date:  2014-04-22     Revised Date:  2014-06-03    
Medline Journal Info:
Nlm Unique ID:  9000851     Medline TA:  Curr Opin Rheumatol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  742-6     Citation Subset:  IM    
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MeSH Terms
Autoantibodies / analysis
Genetic Predisposition to Disease
Genome-Wide Association Study
Myositis / diagnosis,  etiology*,  therapy
Risk Factors
Sunlight / adverse effects
Treatment Outcome
Grant Support
085860//Wellcome Trust; 18474//Arthritis Research UK; 20164//Arthritis Research UK
Reg. No./Substance:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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