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In this study, we examined the relationship between levels of lactoferrin (LF) and IL-17 in human serum and breast milk and the development of allergy in children. LF and IL-17 levels were determined by ELISA in healthy (n=19) and allergic mothers (n=21) on the 5th day after delivery. Two years later, information on breastfeeding and allergic outcomes was collected by questionnaires from parents of both groups and district child care nurses. Significantly higher concentrations of LF were found in the breast milk of allergic mothers compared to the healthy controls. At 2 years of age, only those three infants became allergic from the atopic group in whose starting breast milk samples a very high LF level (306 μg mg–1 protein) or simultaneously elevated concentrations of LF and IL-17 were measured. These findings indicate that the very early measurement of LF and IL-17 levels in the breast milk of allergic mothers may help to predict the allergy development in their infants.
Campylobacteriosis is mainly caused by infection with Campylobacter jejuni following consumption or handling of Campylobacter-contaminated poultry meat. The aim of this study was to investigate the effect of probiotic Enterococcus faecium AL41 on TGF-β4 and IL-17 expression and on immunocompetent cell distribution after C. jejuni infection in broiler chicken, as a second part of the previous study of Karaffová et al. (2017). Accordingly, day-old chicks were randomly divided into four experimental groups of 10 chicks each (n = 10): control (C), E. faecium AL41 (EFAL41), C. jejuni CCM6191 (CJ), and combined E. faecium AL41 + C. jejuni CCM6191 (EFAL41 + CJ). Samples from the caecum were collected on days 4 and 7 post Campylobacter infection (dpi), for the isolation of mRNA of TGF-β4, IL-17 and for immunohistochemistry. The relative mRNA expression of TGF-β4 was upregulated in the combined (EFAL41 + CJ) group compared to other groups during both samplings, but the expression of IL-17 was downregulated. Similarly, the highest density of CD3+ was detected in the combined group at 7 dpi, but the number of IgA+ cells was increased in both groups with EFAL41. It was concluded that the EFAL41 probiotic E. faecium strain can modulate the expression of selected cytokines (upregulation of TGF-β4 but downregulation of IL-17 relative expression), and activate IgA-producing cells in the caeca of chicks infected with C. jejuni CCM6191.
9358 9363 Ivanov, I. I., McKenzie, B. S., Zhou, L. és mtsai: The orphan nuclear receptor RORgammat directs the differentiation program of proinflammatory IL-17
). Interleukin-17 (IL-17) ( 1 ) and tumor necrosis factor-alpha (TNF-α) were determined ( 49 ). In addition, rheumatic factor (RF) ( 42 ), C-reactive protein (CRP) ( 12 ), malondialdehyde (MDA) ( 5 ), glutathione peroxidase (GPx) ( 5 ), and matrix
, Ghilardi N , Ouyang W , Kamradt T , Sabat R , Liesenfeld O : Interleukin (IL)-23 mediates Toxoplasma gondii-induced immunopathology in the gut via matrixmetalloproteinase-2 and IL-22 but independent of IL-17 . J Exp Med 206 ( 13 ), 3047 – 3059
gondii -induced immunopathology in the gut via matrixmetalloproteinase-2 and IL-22 but independent of IL-17 . J Exp Med 206 , 3047 – 3059 ( 2009 ) 20. Heimesaat
the gut via matrixmetalloproteinase-2 and IL-22 but independent of IL-17 . J Exp Med 206 ( 13 ), 3047 – 3059 ( 2009 ) 16. McGuckin MA
, Liesenfeld O : Interleukin (IL)-23 mediates Toxoplasma gondii-induced immunopathology in the gut via matrixmetalloproteinase-2 and IL-22 but independent of IL-17 . J Exp Med 206 ( 13 ), 3047 – 3059 ( 2009 ) 46
μm; # P ≤ 0.05, ∆ P ≤ 0.01, * P ≤ 0.001, dpi - days post-infection, BAL - bronchoalveolar lavage, VLPs - viral like particles, arrow – positive staining Additionally, the levels of cytokines TNFα, IL1β, ILα, and IL17 in the BAL was also
Krónikus mucocutan candidiasis
Chronic mucocutaneous candidiasis
Soltész B, Tóth B, Sarkadi AK, Erdős M, et al. The evolving view of IL-17-mediated immunity in defense against mucocutaneous candidiasis in humans. Int Rev Immunol. 2015; 34: 348
