Soybean meal-induced intestinal inflammation in zebrafish is T cell-dependent and has a Th17 cytokine profile

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dc.contributor.authorCoronado, Maximo
dc.contributor.authorSolis, Camila J.
dc.contributor.authorHernandez, Pedro P.
dc.contributor.authorFeijóo, Carmen G.
dc.date.accessioned2022-07-19T17:46:02Z
dc.date.available2022-07-19T17:46:02Z
dc.date.issued2019-08
dc.descriptionIndexación: Scopuses
dc.description.abstractCurrently, inflammatory bowel disease (IBD) is a serious public health problem on the rise worldwide. In this work, we utilized the zebrafish to introduce a new model of intestinal inflammation triggered by food intake. Taking advantage of the translucency of the larvae and the availability of transgenic zebrafish lines with fluorescently labeled macrophages, neutrophils, or lymphocytes, we studied the behavior of these cell types in vivo during the course of inflammation. We established two feeding strategies, the first using fish that were not previously exposed to food (naïve strategy) and the second in which fish were initially exposed to normal food (developed strategy). In both strategies, we analyzed the effect of subsequent intake of a control or a soybean meal diet. Our results showed increased numbers of innate immune cells in the gut in both the naïve or developed protocols. Likewise, macrophages underwent drastic morphological changes after feeding, switching from a small and rounded contour to a larger and dendritic shape. Lymphocytes colonized the intestine as early as 5 days post fertilization and increased in numbers during the inflammatory process. Gene expression analysis indicated that lymphocytes present in the intestine correspond to T helper cells. Interestingly, control diet only induced a regulatory T cell profile in the developed model. On the contrary, soybean meal diet induced a Th17 response both in naïve and developed model. In addition, when feeding was performed in rag1-deficient fish, intestinal inflammation was not induced indicating that inflammation induced by soybean meal is T cell-dependent. © 2019 Coronado, Solis, Hernandez and Feijóo. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.es
dc.description.urihttps://www.frontiersin.org/articles/10.3389/fimmu.2019.00610/full
dc.identifier.citationFrontiers in Immunology Volume 10, Issue APR2019 Article number 610es
dc.identifier.doi10.3389/fimmu.2019.00610
dc.identifier.issn1664-3224
dc.identifier.urihttps://repositorio.unab.cl/xmlui/handle/ria/23275
dc.language.isoenes
dc.publisherFrontiers Media S.A.es
dc.rights.licenseAtribución 4.0 Internacional (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/deed.es
dc.subjectAdaptive immunityes
dc.subjectInnate immunees
dc.subjectIntestinal inflammationes
dc.subjectLymphocytees
dc.subjectMacrophagees
dc.subjectTh17 T cellses
dc.titleSoybean meal-induced intestinal inflammation in zebrafish is T cell-dependent and has a Th17 cytokine profilees
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