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Autoantibody profil...
Autoantibody profiling in multiple sclerosis using arrays of human protein fragments
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- Ayoglu, Burcu (author)
- KTH,Proteomik och nanobioteknologi,Science for Life Laboratory, SciLifeLab
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- Häggmark, Anna (author)
- KTH,Proteomik och nanobioteknologi,Science for Life Laboratory, SciLifeLab
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- Khademi, M. (author)
- Karolinska Institutet
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- Olsson, T. (author)
- Karolinska Institutet
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- Uhlén, Mathias (author)
- KTH,Proteomik och nanobioteknologi,Science for Life Laboratory, SciLifeLab
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- Schwenk, Jochen M. (author)
- KTH,Proteomik och nanobioteknologi,Science for Life Laboratory, SciLifeLab
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- Nilsson, Peter (author)
- KTH,Proteomik och nanobioteknologi,Science for Life Laboratory, SciLifeLab
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(creator_code:org_t)
- 2013
- 2013
- English.
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In: Molecular & Cellular Proteomics. - 1535-9476 .- 1535-9484. ; 12:9, s. 2657-2672
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Subject headings
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- Profiling the autoantibody repertoire with large antigen collections is emerging as a powerful tool for the identification of biomarkers for autoimmune diseases. Here, a systematic and undirected approach was taken to screen for profiles of IgG in human plasma from 90 individuals with multiple sclerosis related diagnoses. Reactivity pattern of 11,520 protein fragments (representing ̃38% of all human protein encoding genes) were generated on planar protein microarrays built within the Human Protein Atlas. For more than 2,000 antigens IgG reactivity was observed, among which 64% were found only in single individuals. We used reactivity distributions among multiple sclerosis subgroups to select 384 antigens, which were then reevaluated on planar microarrays, corroborated with suspension bead arrays in a larger cohort (n = 376) and confirmed for specificity in inhibition assays. Among the heterogeneous pattern within and across multiple sclerosis subtypes, differences in recognition frequencies were found for 51 antigens, which were enriched for proteins of transcriptional regulation. In conclusion, using protein fragments and complementary high-throughput protein array platforms facilitated an alternative route to discovery and verification of potentially disease-associated autoimmunity signatures, that are now proposed as additional antigens for large-scale validation studies across multiple sclerosis biobanks.
Subject headings
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Keyword
- autoantibody
- immunoglobulin G
- adult
- aged
- article
- controlled study
- female
- human
- major clinical study
- male
- multiple sclerosis
- priority journal
- protein microarray
- transcription regulation
Publication and Content Type
- ref (subject category)
- art (subject category)
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