Association of anti-nucleoprotein autoantibodies with upregulation of Type I interferon-inducible gene transcripts and dendritic cell maturation in systemic lupus erythematosus

Lupus patients selectively produce autoantibodies against nucleoproteins. Since the RNA/DNA components of these autoantigens are endogenous TLR ligands capable of stimulating Type I interferon (IFN-I) production, we asked whether autoantibodies against the ribonucleoproteins Sm/RNP and Ro60 and doub...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 117(2005), 3 vom: 15. Dez., Seite 238-50
1. Verfasser: Zhuang, Haoyang (VerfasserIn)
Weitere Verfasser: Narain, Sonali, Sobel, Eric, Lee, Pui Y, Nacionales, Dina C, Kelly, Kindra M, Richards, Hanno B, Segal, Mark, Stewart, Carol, Satoh, Minoru, Reeves, Westley H
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, N.I.H., Extramural Antibodies, Antinuclear Autoantigens Interferon Type I Interferon-alpha Myxovirus Resistance Proteins RNA, Small Cytoplasmic RO60 protein, human Ribonucleoproteins mehr... DNA 9007-49-2 GTP-Binding Proteins EC 3.6.1.-
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100 1 |a Zhuang, Haoyang  |e verfasserin  |4 aut 
245 1 0 |a Association of anti-nucleoprotein autoantibodies with upregulation of Type I interferon-inducible gene transcripts and dendritic cell maturation in systemic lupus erythematosus 
264 1 |c 2005 
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520 |a Lupus patients selectively produce autoantibodies against nucleoproteins. Since the RNA/DNA components of these autoantigens are endogenous TLR ligands capable of stimulating Type I interferon (IFN-I) production, we asked whether autoantibodies against the ribonucleoproteins Sm/RNP and Ro60 and double-stranded DNA are associated with high levels of IFN-I. IFN-I levels were increased in SLE (n = 88) vs. other autoimmune diseases (n = 82) and controls (n = 57) (P < 0.0001) and were associated positively with autoantibodies against Sm/RNP, Ro60/La, and dsDNA but negatively with anti-phospholipid. Low numbers of circulating plasmacytoid and myeloid dendritic cells also were associated with these autoantibodies. The IFN-I and dendritic cell abnormalities correlated with disease severity and were not therapy-related. These findings suggest that immunostimulatory nucleic acid components of autoantigens may act as endogenous adjuvants by promoting IFN-I production and dendritic cell maturation, helping to explain the high prevalence of autoantibodies against nucleoprotein antigens in SLE 
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700 1 |a Narain, Sonali  |e verfasserin  |4 aut 
700 1 |a Sobel, Eric  |e verfasserin  |4 aut 
700 1 |a Lee, Pui Y  |e verfasserin  |4 aut 
700 1 |a Nacionales, Dina C  |e verfasserin  |4 aut 
700 1 |a Kelly, Kindra M  |e verfasserin  |4 aut 
700 1 |a Richards, Hanno B  |e verfasserin  |4 aut 
700 1 |a Segal, Mark  |e verfasserin  |4 aut 
700 1 |a Stewart, Carol  |e verfasserin  |4 aut 
700 1 |a Satoh, Minoru  |e verfasserin  |4 aut 
700 1 |a Reeves, Westley H  |e verfasserin  |4 aut 
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