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A-SAA production by NHEK stimulated with human IL-1α, IL-17A, IL-22, OSM, TNF-α, alone or in combination.

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posted on 2017-07-14, 17:52 authored by Elodie Couderc, Franck Morel, Pierre Levillain, Amandine Buffière-Morgado, Magalie Camus, Camille Paquier, Charles Bodet, Jean-François Jégou, Mathilde Pohin, Laure Favot, Martine Garcia, Vincent Huguier, Jiad Mcheik, Corinne Lacombe, Hans Yssel, Gérard Guillet, François-Xavier Bernard, Jean-Claude Lecron

(A) A-SAA mRNA expression and (B) protein secretion by NHEK stimulated with M5 were analyzed at different time-periods. (C) A-SAA mRNA expression and (D) protein secretion were determined 40 hours after cytokine activation. (E) A-SAA mRNA expression and (F) protein secretion by NHEK 40 hours after stimulation with four cytokines by sequentially subtracting either recombinant IL-1α, IL-17A, IL-22, OSM or TNF-α from M5. A-SAA mRNA and protein were quantified by RT-qPCR in NHEK and ELISA in supernatants, respectively. Data represent the mean ± SEM of three experiments with duplicates. Statistical comparisons were performed using 2way ANOVA test or t test (*p<0.05; **p<0.01; ***p<0.001). (G) Compared to resting control, (H) intracellular A-SAA staining was detected by immunofluorescence in the cytoplasm of NHEK stimulated with M5 in the presence of brefeldin A.

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