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Proteomic Profiling...
Proteomic Profiling Reveals Autoimmune Targets in Sarcoidosis
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- Häggmark, Anna (author)
- KTH,Proteomik och nanobioteknologi,Science for Life Laboratory, SciLifeLab
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- Hamsten, Carl (author)
- Karolinska Institutet
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- Wiklundh, Emil (author)
- Karolinska Institutet
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- Lindskog, Cecilia (author)
- Uppsala universitet,Institutionen för immunologi, genetik och patologi,Science for Life Laboratory, SciLifeLab
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- Mattsson, Cecilia (author)
- KTH,Proteomik och nanobioteknologi
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- Andersson, Eni (author)
- KTH,Science for Life Laboratory, SciLifeLab,Affinitets-proteomik
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- Lundberg, Ingrid E. (author)
- Karolinska Institutet
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- Gronlund, Hans (author)
- Karolinska Institutet
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- Schwenk, Jochen M. (author)
- KTH,Proteomik och nanobioteknologi,Science for Life Laboratory, SciLifeLab
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- Eklund, Anders (author)
- Karolinska Institutet
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- Grunewald, Johan (author)
- Karolinska Institutet
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- Nilsson, Peter (author)
- KTH,Proteomik och nanobioteknologi,Science for Life Laboratory, SciLifeLab
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(creator_code:org_t)
- 2015
- 2015
- English.
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In: American Journal of Respiratory and Critical Care Medicine. - 1073-449X .- 1535-4970. ; 191:5, s. 574-583
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Rationale: There is a need to further characterize the antibody repertoire in relation to sarcoidosis and potentially related autoantigens. Objectives: We investigated bronchoalveolar lavage (BAL) and serum samples from patients with sarcoidosis and healthy and diseased control subjects to discover sarcoidosis-associated autoantigens. Methods: Antigen microarrays built on 3,072 protein fragments were used to screen for IgG reactivity in 73 BAL samples from subjects with sarcoidosis, subjects with asthma, and healthy subjects. A set of 131 targets were selected for subsequent verification on suspension bead arrays using 272 additional BAL samples and 141 paired sera. Reactivity to four antigens was furthermore analyzed in 22 unprocessed BAL samples from patients with fibrosis and 269 plasma samples from patients diagnosed with myositis. Measurements and Main Results: Reactivity toward zinc finger protein 688 and mitochondrial ribosomal protein L43 were discovered with higher frequencies in patients with sarcoidosis, for mitochondrial ribosomal protein L43 especially in patients with non-Lofgren syndrome. Increased reactivity toward nuclear receptor coactivator 2 was also observed in patients with non-Lofgren syndrome as compared with patients with Lofgren syndrome. The antigen representing adenosine diphosphate-ribosylation factor GTPase activating protein 1 revealed high reactivity frequency in all sample groups but with significantly higher level of IgG reactivities in patients with sarcoidosis. Conclusions: Autoantigen reactivity was present in most BAL and serum samples analyzed, and the results revealed high interindividual heterogeneity, with most of the reactivities observed in single individuals only. Four proteins are here proposed as sarcoidosis-associated autoimmune targets and of interest for further validation in independent cohorts.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Lungmedicin och allergi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Respiratory Medicine and Allergy (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology (hsv//eng)
Keyword
- sarcoidosis
- autoimmunity
- bronchoalveolar lavage
- Lofgren syndrome
- affinity proteomics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Häggmark, Anna
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Hamsten, Carl
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Wiklundh, Emil
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Lindskog, Cecili ...
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Mattsson, Cecili ...
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Andersson, Eni
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Lundberg, Ingrid ...
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Gronlund, Hans
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Schwenk, Jochen ...
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Eklund, Anders
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Grunewald, Johan
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Nilsson, Peter
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Respiratory Medi ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Medical Biotechn ...
- Articles in the publication
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American Journal ...
- By the university
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Uppsala University
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Royal Institute of Technology
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Karolinska Institutet