ArticleNutrients2024
Allergenic Shrimp Tropomyosin Distinguishes from a Non-Allergenic Chicken Homolog by Pronounced Intestinal Barrier Disruption and Downstream Th2 Responses in Epithelial and Dendritic Cell (Co)Culture.
Article in Nutrients, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- Allergenicity assessment of novel foods - lessons from immune endotyping of food-allergic patients.Frontiers in immunology · 2026Review
- Half-Pipe Melt Electrowritten Scaffolds Support Engineering of an Immunocompetent Hydrogel-Embedded Intestine-on-a-Chip.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- HMOS 2'FL and 3FL prevent house dust mite induced proinflammatory cytokine releaseFrontiers in nutrition · 2025Article
- Secretor and non-secretor human milk oligosaccharides differentially modulate immune response in the presence of cow's milk allergen β-lactoglobulin in anFrontiers in immunology · 2025Article
- Combined exposure to shrimp tropomyosin and microbial components triggers enhanced allergic and inflammatory responsesFrontiers in allergy · 2025Article
Corrections and comments
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Authors and funding
12 authors at 8 institutions in 6 countries.
Funding
Abstract
backgroundTropomyosins (TM) from vertebrates are generally non-allergenic, while invertebrate homologs are potent pan-allergens. This study aims to compare the risk of sensitization between chicken TM and shrimp TM through affecting the intestinal epithelial barrier integrity and type 2 mucosal immune activation.
methodsEpithelial activation and/or barrier effects upon exposure to 2-50 μg/mL chicken TM, shrimp TM or ovalbumin (OVA) as a control allergen, were studied using Caco-2, HT-29MTX, or HT-29 intestinal epithelial cells. Monocyte-derived dendritic cells (moDC), cocultured with HT-29 cells or moDC alone, were exposed to 50 μg/mL chicken TM or shrimp TM. Primed moDC were cocultured with naïve Th cells. Intestinal barrier integrity (TEER), gene expression, cytokine secretion and immune cell phenotypes were determined in these human in vitro models.
resultsShrimp TM, but not chicken TM or OVA exposure, profoundly disrupted intestinal barrier integrity and increased alarmin genes expression in Caco-2 cells. Proinflammatory cytokine secretion in HT-29 cells was only enhanced upon shrimp TM or OVA, but not chicken TM, exposure. Shrimp TM enhanced the maturation of moDC and chemokine secretion in the presence or absence of HT-29 cells, while only in the absence of epithelial cells chicken TM activated moDC. Direct exposure of moDC to shrimp TM increased IL13 and TNFα secretion by Th cells cocultured with these primed moDC, while shrimp TM exposure via HT-29 cells cocultured with moDC sequentially increased IL13 expression and IL4 secretion in Th cells.
conclusionsShrimp TM, but not chicken TM, disrupted the epithelial barrier while triggering type 2 mucosal immune activation, both of which are key events in allergic sensitization.
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