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Improving the anti-inflammatory effect of serum eye drops using allogeneic serum permissive for regulatory T cell induction
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Immunology, Genetics and Pathology.
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2015 (English)In: Acta Ophthalmologica, ISSN 1755-375X, E-ISSN 1755-3768, Vol. 93, no 7, 654-657 p.Article in journal (Refereed) Published
Abstract [en]

PurposeTo investigate the cytokine composition and anti-inflammatory effects of allogeneic serum preparations for improved use as serum eye drops. MethodsSerum of 15 healthy blood donors was extensively screened for cytokines, including IL-1, IL-2, IL-4, IL-5, IL-6, IL-9, IL-10, IL-12p70, IL-13, IL-15, 1L-17A, E and F, IL-21, IL-22, IL-23, IL-27, IL-28A, IL-31, IL-33, granulocyte macrophage colony-stimulating factor (GM-CSF), chemokine ligand 20 (CCL20), tumour necrosis factor (TNF)- and TNF-, interferon (IFN)- and transforming growth factor (TGF)-. The levels of cytokines were assessed before and after heat-induced inactivation. Individual serum preparations were tested for their anti-inflammatory effect using an invitro test to differentiate effector T lymphocytes into anti-inflammatory regulatory T cells. ResultsThe anti-inflammatory cytokine TGF- was readily detected in the serum of all blood donors and was only modestly affected by heat-induced inactivation. Serum containing high amounts of TGF- was more effective at inducing anti-inflammatory regulatory T cells. The serum of one healthy blood donor displayed high levels of inflammatory cytokines. ConclusionWe propose that serum used as eye drops is screened for its cytokine content, making it possible to correlate the composition to the clinical outcome. Based on the findings in this study, tailored serum eye drops produced from allogeneic donors may provide increased anti-inflammatory effects. This may be superior to autologous serum eye drops, which in many cases are retrieved from patients with inflammatory diseases.

Place, publisher, year, edition, pages
2015. Vol. 93, no 7, 654-657 p.
Keyword [en]
allogeneic serum eye drops, cytokines, dry eye, regulatory T cells, TGF-beta
National Category
Immunology in the medical area
Identifiers
URN: urn:nbn:se:uu:diva-267654DOI: 10.1111/aos.12801ISI: 000363890500031PubMedID: 26178796OAI: oai:DiVA.org:uu-267654DiVA: diva2:874487
Funder
Magnus Bergvall Foundation
Available from: 2015-11-27 Created: 2015-11-25 Last updated: 2017-12-01Bibliographically approved

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Stenwall, Per-AntonBergström, MarcusKnutson, FolkeBerglund, David

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