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Article

Tissular Genomic Responses to Oral FB1 Exposure in Pigs

Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, 31300 Toulouse, France
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Authors to whom correspondence should be addressed.
Toxins 2022, 14(2), 83; https://doi.org/10.3390/toxins14020083
Submission received: 14 December 2021 / Revised: 12 January 2022 / Accepted: 18 January 2022 / Published: 22 January 2022
(This article belongs to the Special Issue Toxic Effect of Mycotoxins)

Abstract

Fumonisin B1 (FB1) is a widespread mycotoxin produced by fungal Fusarium species—mainly in maize, one of the plants most commonly used for food and feed. Pigs and horses are the animal species most susceptible to this mycotoxin. FB1 exposure can cause highly diverse clinical symptoms, including hepatotoxicity, immunotoxicity, and intestinal barrier function disturbance. Inhibition of ceramide synthetase is a well-understood ubiquitous molecular mechanism of FB1 toxicity, but other more tissue-specific effects remain to be elucidated. To investigate the effects of FB1 in different exposed tissues, we cross-analyzed the transcriptomes of fours organs: liver, jejunum, jejunal Peyer’s patches, and spleen. During a four-week study period, pigs were fed a control diet or a FB1-contaminated diet (10 mg/kg feed). In response to oral FB1 exposure, we observed common biological processes in the four organs, including predominant and recurrent processes (extracellular matrix organization, integrin activation, granulocyte chemotaxis, neutrophil migration, and lipid and sterol homeostasis), as well as more tissue-specific processes that appeared to be related to lipid outcomes (cell cycle regulation in jejunum, and gluconeogenesis in liver).
Keywords: fumonisin; liver; jejunum; spleen; Peyer’s patches; swine fumonisin; liver; jejunum; spleen; Peyer’s patches; swine

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MDPI and ACS Style

Dopavogui, L.; Polizzi, A.; Fougerat, A.; Gourbeyre, P.; Terciolo, C.; Klement, W.; Pinton, P.; Laffite, J.; Cossalter, A.-M.; Bailly, J.-D.; et al. Tissular Genomic Responses to Oral FB1 Exposure in Pigs. Toxins 2022, 14, 83. https://doi.org/10.3390/toxins14020083

AMA Style

Dopavogui L, Polizzi A, Fougerat A, Gourbeyre P, Terciolo C, Klement W, Pinton P, Laffite J, Cossalter A-M, Bailly J-D, et al. Tissular Genomic Responses to Oral FB1 Exposure in Pigs. Toxins. 2022; 14(2):83. https://doi.org/10.3390/toxins14020083

Chicago/Turabian Style

Dopavogui, Léonie, Arnaud Polizzi, Anne Fougerat, Pascal Gourbeyre, Chloé Terciolo, Wendy Klement, Philippe Pinton, Joëlle Laffite, Anne-Marie Cossalter, Jean-Denis Bailly, and et al. 2022. "Tissular Genomic Responses to Oral FB1 Exposure in Pigs" Toxins 14, no. 2: 83. https://doi.org/10.3390/toxins14020083

APA Style

Dopavogui, L., Polizzi, A., Fougerat, A., Gourbeyre, P., Terciolo, C., Klement, W., Pinton, P., Laffite, J., Cossalter, A.-M., Bailly, J.-D., Puel, O., Lippi, Y., Naylies, C., Guillou, H., Oswald, I. P., & Loiseau, N. (2022). Tissular Genomic Responses to Oral FB1 Exposure in Pigs. Toxins, 14(2), 83. https://doi.org/10.3390/toxins14020083

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