IgV peptide mapping of native Ro60 autoantibody proteomes in primary Sjögren's syndrome reveals molecular markers of Ro/La diversification

Copyright © 2016 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 173(2016) vom: 14. Dez., Seite 57-63
1. Verfasser: Wang, Jing J (VerfasserIn)
Weitere Verfasser: Al Kindi, Mahmood A, Colella, Alex D, Dykes, Lukah, Jackson, Michael W, Chataway, Tim K, Reed, Joanne H, Gordon, Tom P
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Autoantibody Mass spectrometry sequencing Ro60 Sjögren's syndrome Autoantibodies Autoantigens Immunoglobulin G Immunoglobulin Variable Region Proteome mehr... RNA, Small Cytoplasmic RO60 protein, human Ribonucleoproteins
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100 1 |a Wang, Jing J  |e verfasserin  |4 aut 
245 1 0 |a IgV peptide mapping of native Ro60 autoantibody proteomes in primary Sjögren's syndrome reveals molecular markers of Ro/La diversification 
264 1 |c 2016 
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500 |a Date Revised 14.12.2020 
500 |a published: Print-Electronic 
500 |a Citation Status MEDLINE 
520 |a Copyright © 2016 Elsevier Inc. All rights reserved. 
520 |a We have used high-resolution mass spectrometry to sequence precipitating anti-Ro60 proteomes from sera of patients with primary Sjögren's syndrome and compare immunoglobulin variable-region (IgV) peptide signatures in Ro/La autoantibody subsets. Anti-Ro60 were purified by elution from native Ro60-coated ELISA plates and subjected to combined de novo amino acid sequencing and database matching. Monospecific anti-Ro60 Igs comprised dominant public and minor private sets of IgG1 kappa and lambda restricted heavy and light chains. Specific IgV amino acid substitutions stratified anti-Ro60 from anti-Ro60/La responses, providing a molecular fingerprint of Ro60/La determinant spreading and suggesting that different forms of Ro60 antigen drive these responses. Sequencing of linked anti-Ro52 proteomes from individual patients and comparison with their anti-Ro60 partners revealed sharing of a dominant IGHV3-23/IGKV3-20 paired clonotype but with divergent IgV mutational signatures. In summary, anti-Ro60 IgV peptide mapping provides insights into Ro/La autoantibody diversification and reveals serum-based molecular markers of humoral Ro60 autoimmunity 
650 4 |a Journal Article 
650 4 |a Autoantibody 
650 4 |a Mass spectrometry sequencing 
650 4 |a Ro60 
650 4 |a Sjögren's syndrome 
650 7 |a Autoantibodies  |2 NLM 
650 7 |a Autoantigens  |2 NLM 
650 7 |a Immunoglobulin G  |2 NLM 
650 7 |a Immunoglobulin Variable Region  |2 NLM 
650 7 |a Proteome  |2 NLM 
650 7 |a RNA, Small Cytoplasmic  |2 NLM 
650 7 |a RO60 protein, human  |2 NLM 
650 7 |a Ribonucleoproteins  |2 NLM 
700 1 |a Al Kindi, Mahmood A  |e verfasserin  |4 aut 
700 1 |a Colella, Alex D  |e verfasserin  |4 aut 
700 1 |a Dykes, Lukah  |e verfasserin  |4 aut 
700 1 |a Jackson, Michael W  |e verfasserin  |4 aut 
700 1 |a Chataway, Tim K  |e verfasserin  |4 aut 
700 1 |a Reed, Joanne H  |e verfasserin  |4 aut 
700 1 |a Gordon, Tom P  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Clinical immunology (Orlando, Fla.)  |d 1999  |g 173(2016) vom: 14. Dez., Seite 57-63  |w (DE-627)NLM098196855  |x 1521-7035  |7 nnns 
773 1 8 |g volume:173  |g year:2016  |g day:14  |g month:12  |g pages:57-63 
856 4 0 |u http://dx.doi.org/10.1016/j.clim.2016.09.001  |3 Volltext 
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