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Serum Autoantibody ...
Serum Autoantibody Profiling of Patients with Paraneoplastic and Non-Paraneoplastic Autoimmune Retinopathy
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- ten Berge, Josianne C. (author)
- Erasmus Univ, Med Ctr, Dept Ophthalmol, Rotterdam, Netherlands.
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- van Rosmalen, Joost (author)
- Erasmus Univ, Med Ctr, Dept Biostat, Rotterdam, Netherlands.
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- Vermeer, Jacolien (author)
- Erasmus Univ, Med Ctr, Dept Immunol, Rotterdam, Netherlands.
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- Hellström, Cecilia (author)
- KTH,Proteomik och nanobioteknologi,Science for Life Laboratory, SciLifeLab,KTH Royal Inst Technol, Sch Biotechnol, SciLifeLab, Affin Prote, Stockholm, Sweden.
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- Lindskog, Cecilia (author)
- Uppsala universitet,Klinisk och experimentell patologi,Science for Life Laboratory, SciLifeLab,Cancerprecisionsmedicin
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- Nilsson, Peter (author)
- KTH,Proteomik och nanobioteknologi,Science for Life Laboratory, SciLifeLab,KTH Royal Inst Technol, Sch Biotechnol, SciLifeLab, Affin Prote, Stockholm, Sweden.
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- Qundos, Ulrika (author)
- KTH,Proteomik och nanobioteknologi,Science for Life Laboratory, SciLifeLab,KTH Royal Inst Technol, Sch Biotechnol, SciLifeLab, Affin Prote, Stockholm, Sweden.
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- Rothova, Aniki (author)
- Erasmus Univ, Med Ctr, Dept Ophthalmol, Rotterdam, Netherlands.
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- Schreurs, Marco W. J. (author)
- Erasmus Univ, Med Ctr, Dept Immunol, Rotterdam, Netherlands.
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Erasmus Univ, Med Ctr, Dept Ophthalmol, Rotterdam, Netherlands Erasmus Univ, Med Ctr, Dept Biostat, Rotterdam, Netherlands. (creator_code:org_t)
- 2016-12-08
- 2016
- English.
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In: PLOS ONE. - : Public Library of Science. - 1932-6203. ; 11:12
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Abstract
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- Purpose Although multiple serum antiretinal autoantibodies (ARAs) have been reported in patients with paraneoplastic and non-paraneoplastic autoimmune retinopathy ((n)pAIR), not all retinal antigens involved in (n)pAIR are specified. This study aims to serologically identify patients with presumed (n)pAIR through determination of both known and unknown ARAs by autoantibody profiling. Methods An antigen suspension bead array using 188 different antigens representing 97 ocular proteins was performed to detect ARAs in serum samples of patients with presumed (n)pAIR (n = 24), uveitis (n = 151) and cataract (n = 21). Logistic regressions were used to estimate the associations between ocular antigens and diagnosis. Validation of interphotoreceptor matrix proteoglycan 2 (IMPG2) and recoverin antigens was performed by immunohistochemistry and immunoblot, respectively. Results Samples of patients with presumed (n)pAIR exhibited a broad spectrum of ARAs. We identified retinal antigens that have already been described previously (e.g. recoverin), but also identified novel ARA targets. Most ARAs were not specific for (n)pAIR since their presence was also observed in patients with cataract or uveitis. High titers of autoantibodies directed against photoreceptor-specific nuclear receptor and retinol-binding protein 3 were more common in patients with presumed (n)pAIR compared to uveitis (p = 0.015 and p = 0.018, respectively). The presence of all other ARAs did not significantly differ between groups. In patients with presumed (n)pAIR, anti-recoverin autoantibodies were the most prevalent ARAs. Validation of bead array results by immunohistochemistry (anti-IMPG2) and immunoblot (anti-recoverin) showed concordant results in (n)pAIR patients. Conclusions Patients with (n)pAIR are characterized by the presence of a broad spectrum of ARAs. The diagnosis of (n)pAIR cannot be based on the mere presence of serum ARAs, as these are also commonly present in uveitis as well as in age-related cataract patients.
Subject headings
- NATURVETENSKAP -- Biologi -- Immunologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Immunology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Annan medicinsk bioteknologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Other Medical Biotechnology (hsv//eng)
Keyword
- Biology with specialization in Molecular Biology
Publication and Content Type
- ref (subject category)
- art (subject category)
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