Document Detail

IgE and IgG(4) autoantibodies against DFS70/LEDGF in atopic dermatitis.
MedLine Citation:
PMID:  21329475     Owner:  NLM     Status:  Publisher    
Background. DFS70/LEDGF is a known survival factor, growth factor, and HIV-1 transporter. It is also an autoantigen recognized by IgG autoantibodies (aAbs) in patients with atopic dermatitis (AD). In the past few decades, various IgE aAbs against self-proteins have been identified in AD. Although DFS70 is considered to be one of these proteins, to date, there has not been a detailed analysis of the significance of this putative autoantigen. Objective and methods. Using recombinant protein that was generated using a baculovirus and insect cell system, we established an ELISA that can measure IgE-anti-DFS70 aAbs and IgG(4)-anti-DFS70 aAbs. Sera obtained from 61 AD patients and 20 healthy donors were analyzed using the ELISA. Results. Nine of 61 AD patients were determined to be IgE-anti-DFS70 aAb-positive. IgG(4)-anti-DFS70 aAbs were detected in nine of 61 patients. The serum thymus and activation-regulated chemokine concentrations were significantly higher in the group that was positive for both aAbs compared to the aAb-negative group, although the total serum IgE levels were not significantly different between these groups. Conclusion. We conclude that serum IgE-anti-DFS70 aAbs and IgG(4)-anti-DFS70 aAbs may be related to the severity of AD.
Kanako Watanabe; Yoshinao Muro; Kazumitsu Sugiura; Yasushi Tomita
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-18
Journal Detail:
Title:  Autoimmunity     Volume:  -     ISSN:  1607-842X     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-2-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8900070     Medline TA:  Autoimmunity     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Division of Connective Tissue and Autoimmunity, Department of Dermatology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan.
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