| IL-12 concentrations in the aqueous humor and serum of diabetic retinopathy patients. | |
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MedLine Citation:
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PMID: 22227739 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Previous studies suggest that inflammation plays an important part in the pathogenesis of diabetes. Cytokines may have a role in both positive and negative control of immunological reactions. Among many cytokines, interleukin 12 (IL-12) is known to be a strong pro-inflammatory cytokine. METHODS: A total of 76 participants were enrolled in this study and classified into four groups: 23 diabetic patients with non-treated retinopathy, 17 diabetic patients with treated retinopathy, 12 diabetic patients without retinopathy, and 24 healthy control patients. Serum and aqueous humor samples were taken for the analysis of IL-12 concentration. RESULTS: The aqueous humor IL-12 concentration was significantly elevated in the patients with non-treated diabetic retinopathy (χ(2)(3, n = 76) = 27.137; p < 0.001). No significant differences in IL-12 serum concentrations between the groups were found (F = 0.405, p = 0.750). Correlation analysis of IL-12 concentrations in the serum and aqueous humor showed a linear association between the two variables only in non-diabetic patients (p = 0.003). CONCLUSIONS: This is the first study to show a significantly higher concentration of pro-inflammatory cytokine IL-12 in the aqueous humor of non-treated diabetic retinopathy patients in comparison with diabetic patients treated for retinopathy, without retinopathy, or with healthy individuals. Because the serum levels of IL-12 did not differ considerably between the studied groups, it is plausible that this is due to its local production and secretion. |
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Authors:
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Antonela Gverović Antunica; Ksenija Karaman; Ljubo Znaor; Ada Sapunar; Vesna Buško; Velibor Puzović |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-8 |
Journal Detail:
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Title: Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie Volume: - ISSN: 1435-702X ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-9 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8205248 Medline TA: Graefes Arch Clin Exp Ophthalmol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Ophthalmology, General Hospital Dubrovnik, Roka Mišetića bb, 20 000, Dubrovnik, Croatia, agantonela@net.hr. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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