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Murtaza B, Wang L, Li X, Nawaz MY, Saleemi MK, Khatoon A, Yongping X. Recalling the reported toxicity assessment of deoxynivalenol, mitigating strategies and its toxicity mechanisms: Comprehensive review. Chem Biol Interact 2024; 387:110799. [PMID: 37967807 DOI: 10.1016/j.cbi.2023.110799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 11/04/2023] [Accepted: 11/07/2023] [Indexed: 11/17/2023]
Abstract
Mycotoxins frequently contaminate a variety of food items, posing significant concerns for both food safety and public health. The adverse consequences linked to poisoning from these substances encompass symptoms such as vomiting, loss of appetite, diarrhea, the potential for cancer development, impairments to the immune system, disruptions in neuroendocrine function, genetic damage, and, in severe cases, fatality. The deoxynivalenol (DON) raises significant concerns for both food safety and human health, particularly due to its potential harm to vital organs in the body. It is one of the most prevalent fungal contaminants found in edible items used by humans and animals globally. The presence of harmful mycotoxins, including DON, in food has caused widespread worry. Altered versions of DON have arisen as possible risks to the environment and well-being, as they exhibit a greater propensity to revert back to the original mycotoxins. This can result in the buildup of mycotoxins in both animals and humans, underscoring the pressing requirement for additional investigation into the adverse consequences of these modified mycotoxins. Furthermore, due to the lack of sufficient safety data, accurately evaluating the risk posed by modified mycotoxins remains challenging. Our review study delves into conjugated forms of DON, exploring its structure, toxicity, control strategies, and a novel animal model for assessing its toxicity. Various toxicities, such as acute, sub-acute, chronic, and cellular, are proposed as potential mechanisms contributing to the toxicity of conjugated forms of DON. Additionally, the study offers an overview of DON's toxicity mechanisms and discusses its widespread presence worldwide. A thorough exploration of the health risk evaluation associated with conjugated form of DON is also provided in this discussion.
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Affiliation(s)
- Bilal Murtaza
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, China.
| | - Lili Wang
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, China; Center for Food Safety of Animal Origin, Ministry of Education, Dalian University of Technology, Dalian, 116600, China
| | - Xiaoyu Li
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, China; Center for Food Safety of Animal Origin, Ministry of Education, Dalian University of Technology, Dalian, 116600, China
| | | | | | - Aisha Khatoon
- Department of Pathology, University of Agriculture, Faisalabad, Pakistan
| | - Xu Yongping
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, China; Center for Food Safety of Animal Origin, Ministry of Education, Dalian University of Technology, Dalian, 116600, China.
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Garofalo M, Payros D, Taieb F, Oswald E, Nougayrède JP, Oswald IP. From ribosome to ribotoxins: understanding the toxicity of deoxynivalenol and Shiga toxin, two food borne toxins. Crit Rev Food Sci Nutr 2023:1-13. [PMID: 37862145 DOI: 10.1080/10408398.2023.2271101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2023]
Abstract
Ribosomes that synthesize proteins are among the most central and evolutionarily conserved organelles. Given the key role of proteins in cellular functions, prokaryotic and eukaryotic pathogens have evolved potent toxins to inhibit ribosomal functions and weaken their host. Many of these ribotoxin-producing pathogens are associated with food. For example, food can be contaminated with bacterial pathogens that produce the ribotoxin Shiga toxin, but also with the fungal ribotoxin deoxynivalenol. Shiga toxin cleaves ribosomal RNA, while deoxynivalenol binds to and inhibits the peptidyl transferase center. Despite their distinct modes of action, both groups of ribotoxins hinder protein translation, but also trigger other comparable toxic effects, which depend or not on the activation of the ribotoxic stress response. Ribotoxic stress response-dependent effects include inflammation and apoptosis, whereas ribotoxic stress response-independent effects include endoplasmic reticulum stress, oxidative stress, and autophagy. For other effects, such as cell cycle arrest and cytoskeleton modulation, the involvement of the ribotoxic stress response is still controversial. Ribotoxins affect one organelle yet induce multiple toxic effects with multiple consequences for the cell. The ribosome can therefore be considered as the cellular "Achilles heel" targeted by food borne ribotoxins. Considering the high toxicity of ribotoxins, they pose a substantial health risk, as humans are highly susceptible to widespread exposure to these toxins through contaminated food sources.
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Affiliation(s)
- Marion Garofalo
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
- IRSD, Université de Toulouse, INSERM, INRAE, ENVT, UPS, Toulouse, France
| | - Delphine Payros
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
- IRSD, Université de Toulouse, INSERM, INRAE, ENVT, UPS, Toulouse, France
| | - Frederic Taieb
- IRSD, Université de Toulouse, INSERM, INRAE, ENVT, UPS, Toulouse, France
| | - Eric Oswald
- IRSD, Université de Toulouse, INSERM, INRAE, ENVT, UPS, Toulouse, France
- CHU Toulouse, Hôpital Purpan, Toulouse, France
| | | | - Isabelle P Oswald
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
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3
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Hasuda AL, Person E, Khoshal A, Bruel S, Puel S, Oswald IP, Bracarense APFRL, Pinton P. Emerging mycotoxins induce hepatotoxicity in pigs' precision-cut liver slices and HepG2 cells. Toxicon 2023; 231:107195. [PMID: 37315815 DOI: 10.1016/j.toxicon.2023.107195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 05/25/2023] [Accepted: 06/09/2023] [Indexed: 06/16/2023]
Abstract
Emerging mycotoxins are currently gaining more attention due to their high frequency of contamination in foods and grains. However, most data available in the literature are in vitro, with few in vivo results that prevent establishing their regulation. Beauvericin (BEA), enniatins (ENNs), emodin (EMO), apicidin (API) and aurofusarin (AFN) are emerging mycotoxins frequently found contaminating food and there is growing interest in studying their impact on the liver, a key organ in the metabolization of these components. We used an ex vivo model of precision-cut liver slices (PCLS) to verify morphological and transcriptional changes after acute exposure (4 h) to these mycotoxins. The human liver cell line HepG2 was used for comparison purposes. Most of the emerging mycotoxins were cytotoxic to the cells, except for AFN. In cells, BEA and ENNs were able to increase the expression of genes related to transcription factors, inflammation, and hepatic metabolism. In the explants, only ENN B1 led to significant changes in the morphology and expression of a few genes. Overall, our results demonstrate that BEA, ENNs, and API have the potential to be hepatotoxic.
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Affiliation(s)
- Amanda Lopes Hasuda
- Laboratory of Animal Pathology, Universidade Estadual de Londrina, P.O. Box 10.011, Londrina, PR, 86057-970, Brazil; TOXALIM (UMR 1331), Institute National de Recherche pour L'Agriculture L'Alimentation et L'Environnement Centre Occitanie-Toulouse, UPS, 31027, Toulouse, France.
| | - Elodie Person
- TOXALIM (UMR 1331), Institute National de Recherche pour L'Agriculture L'Alimentation et L'Environnement Centre Occitanie-Toulouse, UPS, 31027, Toulouse, France.
| | - Abdullah Khoshal
- TOXALIM (UMR 1331), Institute National de Recherche pour L'Agriculture L'Alimentation et L'Environnement Centre Occitanie-Toulouse, UPS, 31027, Toulouse, France.
| | - Sandrine Bruel
- TOXALIM (UMR 1331), Institute National de Recherche pour L'Agriculture L'Alimentation et L'Environnement Centre Occitanie-Toulouse, UPS, 31027, Toulouse, France
| | - Sylvie Puel
- TOXALIM (UMR 1331), Institute National de Recherche pour L'Agriculture L'Alimentation et L'Environnement Centre Occitanie-Toulouse, UPS, 31027, Toulouse, France.
| | - Isabelle P Oswald
- TOXALIM (UMR 1331), Institute National de Recherche pour L'Agriculture L'Alimentation et L'Environnement Centre Occitanie-Toulouse, UPS, 31027, Toulouse, France.
| | - Ana Paula F R L Bracarense
- Laboratory of Animal Pathology, Universidade Estadual de Londrina, P.O. Box 10.011, Londrina, PR, 86057-970, Brazil.
| | - Philippe Pinton
- TOXALIM (UMR 1331), Institute National de Recherche pour L'Agriculture L'Alimentation et L'Environnement Centre Occitanie-Toulouse, UPS, 31027, Toulouse, France.
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Garofalo M, Payros D, Penary M, Oswald E, Nougayrède JP, Oswald IP. A novel toxic effect of foodborne trichothecenes: The exacerbation of genotoxicity. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 317:120625. [PMID: 36410598 DOI: 10.1016/j.envpol.2022.120625] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 10/25/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
Trichothecenes (TCT) are very common mycotoxins. While the effects of DON, the most prevalent TCT, have been extensively studied, less is known about the effect of other trichothecenes. DON has ribotoxic, pro-inflammatory, and cytotoxic potential and induces multiple toxic effects in humans and animals. Although DON is not genotoxic by itself, it has recently been shown that this toxin exacerbates the genotoxicity induced by model or bacterial genotoxins. Here, we show that five TCT, namely T-2 toxin (T-2), diacetoxyscirpenol (DAS), nivalenol (NIV), fusarenon-X (FX), and the newly discovered NX toxin, also exacerbate the DNA damage inflicted by various genotoxins. The exacerbation was dose dependent and observed with phleomycin, a model genotoxin, captan, a pesticide with genotoxic potential, and colibactin, a bacterial genotoxin produced by the intestinal microbiota. For this newly described effect, the trichothecenes ranked in the following order: T-2>DAS > FX > NIV ≥ DON ≥ NX. The genotoxic exacerbating effect of TCT correlated with their ribotoxic potential, as measured by the inhibition of protein synthesis. In conclusion, our data demonstrate that TCT, which are not genotoxic by themselves, exacerbate DNA damage induced by various genotoxins. Therefore, foodborne TCT could enhance the carcinogenic potential of genotoxins present in the diet or produced by intestinal bacteria.
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Affiliation(s)
- Marion Garofalo
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France; IRSD, Université de Toulouse, INSERM, INRAE, ENVT, UPS, Toulouse, France
| | - Delphine Payros
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France; IRSD, Université de Toulouse, INSERM, INRAE, ENVT, UPS, Toulouse, France
| | - Marie Penary
- IRSD, Université de Toulouse, INSERM, INRAE, ENVT, UPS, Toulouse, France
| | - Eric Oswald
- IRSD, Université de Toulouse, INSERM, INRAE, ENVT, UPS, Toulouse, France; CHU Toulouse, Hôpital Purpan, Service de Bactériologie-Hygiène, Toulouse, France
| | | | - Isabelle P Oswald
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France.
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Exposure of intestinal explants to NX, but not to DON, enriches the secretome in mitochondrial proteins. Arch Toxicol 2022; 96:2609-2619. [PMID: 35674809 PMCID: PMC9325857 DOI: 10.1007/s00204-022-03318-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 05/12/2022] [Indexed: 11/17/2022]
Abstract
NX is a type A trichothecene produced by Fusarium graminearum with limited information on its toxicity. NX is structurally similar to deoxynivalenol (DON), only differing by the lacking keto group at C8. Because of the structural similarity of the two toxins as well as their potential co-occurrence in food and feed, it is of interest to determine the toxicity of this new compound. In this study, we compared the protein composition of the extracellular media of pig intestinal explants (secretome) exposed to 10 µM of DON or NX for 4 h compared with controls. The combination of two complementary quantitative proteomic approaches (a gel-based and a gel-free approach) identified 18 and 23 differentially abundant proteins (DAPs) for DON and NX, respectively, compared to controls. Functional analysis suggested that, whereas DON toxicity was associated with decreased cell viability and cell destruction, NX toxicity was associated with an enrichment of mitochondrial proteins in the secretome. The presence of these proteins may be associated with the already known ability of NX to induce an intestinal inflammation. Overall, our results indicated that DON- and NX-induced changes in the extracellular proteome of intestinal explants are different. The increased leakage/secretion of mitochondrial proteins by NX may be a feature of NX toxicity.
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6
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Machine learning-aided design of composite mycotoxin detoxifier material for animal feed. Sci Rep 2022; 12:4838. [PMID: 35318362 PMCID: PMC8941095 DOI: 10.1038/s41598-022-08410-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 02/23/2022] [Indexed: 11/30/2022] Open
Abstract
The development of food and feed additives involves the design of materials with specific properties that enable the desired function while minimizing the adverse effects related with their interference with the concurrent complex biochemistry of the living organisms. Often, the development process is heavily dependent on costly and time-consuming in vitro and in vivo experiments. Herein, we present an approach to design clay-based composite materials for mycotoxin removal from animal feed. The approach can accommodate various material compositions and different toxin molecules. With application of machine learning trained on in vitro results of mycotoxin adsorption–desorption in the gastrointestinal tract, we have searched the space of possible composite material compositions to identify formulations with high removal capacity and gaining insights into their mode of action. An in vivo toxicokinetic study, based on the detection of biomarkers for mycotoxin-exposure in broilers, validated our findings by observing a significant reduction in systemic exposure to the challenging to be removed mycotoxin, i.e., deoxynivalenol (DON), when the optimal detoxifier is administrated to the animals. A mean reduction of 32% in the area under the plasma concentration–time curve of DON-sulphate was seen in the DON + detoxifier group compared to the DON group (P = 0.010).
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7
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Hasuda AL, Person E, Khoshal AK, Bruel S, Puel S, Oswald IP, Bracarense APFL, Pinton P. Deoxynivalenol induces apoptosis and inflammation in the liver: Analysis using precision-cut liver slices. Food Chem Toxicol 2022; 163:112930. [DOI: 10.1016/j.fct.2022.112930] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 02/28/2022] [Accepted: 03/16/2022] [Indexed: 12/22/2022]
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Staszak M, Staszak K, Wieszczycka K, Bajek A, Roszkowski K, Tylkowski B. Machine learning in drug design: Use of artificial intelligence to explore the chemical structure–biological activity relationship. WIRES COMPUTATIONAL MOLECULAR SCIENCE 2022. [DOI: 10.1002/wcms.1568] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Maciej Staszak
- Institute of Technology and Chemical Engineering Poznan University of Technology Poznan Poland
| | - Katarzyna Staszak
- Institute of Technology and Chemical Engineering Poznan University of Technology Poznan Poland
| | - Karolina Wieszczycka
- Institute of Technology and Chemical Engineering Poznan University of Technology Poznan Poland
| | - Anna Bajek
- Department of Tissue Engineering Collegium Medicum, Nicolaus Copernicus University Bydgoszcz Poland
| | - Krzysztof Roszkowski
- Department of Oncology Collegium Medicum Nicolaus Copernicus University Bydgoszcz Poland
| | - Bartosz Tylkowski
- Department of Chemical Engineering University Rovira i Virgili Tarragona Spain
- Eurecat, Centre Tecnològic de Catalunya Chemical Technologies Unit Tarragona Spain
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Pierron A, Neves M, Puel S, Lippi Y, Soler L, Miller JD, Oswald IP. Intestinal toxicity of the new type A trichothecenes, NX and 3ANX. CHEMOSPHERE 2022; 288:132415. [PMID: 34600008 DOI: 10.1016/j.chemosphere.2021.132415] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/22/2021] [Accepted: 09/28/2021] [Indexed: 06/13/2023]
Abstract
NX and its acetylated form 3ANX are two new type A trichothecenes produced by Fusarium graminearum whose toxicity is poorly documented. The aim of this study was to obtain a general view of the intestinal toxicity of these toxins. Deoxynivalenol (DON), which differs from NX by the keto group at C8, served as a benchmark. The viability of human intestinal Caco-2 cells decreased after 24 h of exposure to 3 μM NX (-21.4%), 3 μM DON (-20.2%) or 10 μM 3ANX (-17.4%). Histological observations of porcine jejunal explants exposed for 4 h to 10 μM of the different toxins showed interstitial edema and cellular debris. Explants exposed to NX also displayed cell vacuolization, a broken epithelial barrier and high loss of villi. Whole transcriptome profiling revealed that NX, DON and 3ANX modulated 369, 146 and 55 genes, respectively. Functional analyses indicated that the three toxins regulate the same gene networks and signaling pathways mainly; cell proliferation, differentiation, apoptosis and growth, and particularly immune and pro-inflammatory responses. Greater transcriptional impacts were observed with NX than with DON. In conclusion, our data revealed that the three toxins have similar impacts on the intestine but of different magnitude: NX > DON ≫ 3ANX. NX and 3ANX should consequently be included in overall risk analysis linked to the presence of trichothecenes in our diet.
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Affiliation(s)
- Alix Pierron
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, Toulouse, France
| | - Manon Neves
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, Toulouse, France
| | - Sylvie Puel
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, Toulouse, France
| | - Yannick Lippi
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, Toulouse, France
| | - Laura Soler
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, Toulouse, France
| | - J David Miller
- Department of Chemistry, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario, K1S 5B6, Canada
| | - Isabelle P Oswald
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, Toulouse, France.
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Paraskeuas V, Griela E, Bouziotis D, Fegeros K, Antonissen G, Mountzouris KC. Effects of Deoxynivalenol and Fumonisins on Broiler Gut Cytoprotective Capacity. Toxins (Basel) 2021; 13:729. [PMID: 34679022 PMCID: PMC8538483 DOI: 10.3390/toxins13100729] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/11/2021] [Accepted: 10/13/2021] [Indexed: 12/26/2022] Open
Abstract
Mycotoxins are a crucial problem for poultry production worldwide. Two of the most frequently found mycotoxins in feedstuffs are deoxynivalenol (DON) and fumonisins (FUM) which adversely affect gut health and poultry performance. The current knowledge on DON and FUM effects on broiler responses relevant for gut detoxification, antioxidant capacity, and health is still unclear. The aim of this study was to assess a range of selected molecular intestinal biomarkers for their responsiveness to the maximum allowable European Union dietary levels for DON (5 mg/kg) and FUM (20 mg/kg) in broilers. For the experimental purpose, a challenge diet was formulated, and biomarkers relevant for detoxification, antioxidant response, stress, inflammation, and integrity were profiled across the broiler intestine. The results reveal that DON significantly (p < 0.05) induced aryl hydrocarbon receptor (AhR) and cytochrome P450 enzyme (CYP) expression mainly at the duodenum. Moreover, DON and FUM had specific significant (p < 0.05) effects on the antioxidant response, stress, inflammation, and integrity depending on the intestinal segment. Consequently, broiler molecular responses to DON and FUM assessed via a powerful palette of biomarkers were shown to be mycotoxin and intestinal site specific. The study findings could be highly relevant for assessing various dietary bioactive components for protection against mycotoxins.
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Affiliation(s)
- Vasileios Paraskeuas
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (V.P.); (E.G.); (D.B.); (K.F.)
| | - Eirini Griela
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (V.P.); (E.G.); (D.B.); (K.F.)
| | - Dimitrios Bouziotis
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (V.P.); (E.G.); (D.B.); (K.F.)
| | - Konstantinos Fegeros
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (V.P.); (E.G.); (D.B.); (K.F.)
| | - Gunther Antonissen
- Department of Pathobiology, Pharmacology and Zoological Medicine, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820 Merelbeke, Belgium;
| | - Konstantinos C. Mountzouris
- Laboratory of Nutritional Physiology and Feeding, Department of Animal Science, Agricultural University of Athens, Iera Odos 75, 11855 Athens, Greece; (V.P.); (E.G.); (D.B.); (K.F.)
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Payros D, Alassane-Kpembi I, Laffitte J, Lencina C, Neves M, Bracarense AP, Pinton P, Ménard S, Oswald IP. Dietary Exposure to the Food Contaminant Deoxynivalenol Triggers Colonic Breakdown by Activating the Mitochondrial and the Death Receptor Pathways. Mol Nutr Food Res 2021; 65:e2100191. [PMID: 34626057 DOI: 10.1002/mnfr.202100191] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 08/20/2021] [Indexed: 11/11/2022]
Abstract
INTRODUCTION The food contamination by mycotoxins is of increasing public health concerns. Deoxynivalenol (DON), a mycotoxin contaminating cereals, has been associated with the exacerbation of inflammatory bowel diseases (IBD), thereby raising the question of its role in the development of IBD. Moreover, the effect of DON on the colon is poorly described. METHODS AND RESULTS Wistar rats exposed (1-4 weeks) to low doses of DON (2 or 9 mg kg-1 feed) show microscopic alterations of colonic tissue (dilated lymphatic vessels, luminal debris, and cubic and flattened enterocytes). Ingestion of DON also alters colonic functions by increasing paracellular permeability while reducing the expression of the tight junction proteins and increased apoptosis in colonic tissue. Pro-apoptotic factors Bax/Bak, cytochrome C, and caspase 9 are upregulated, whereas expression of anti-apoptotic protein Bcl2 tends to decrease for the mitochondrial pathway. An increased expression of FasR and caspase-8 is observed for the extrinsic pathway. An increase in the pro-inflammatory markers TNFα, IL-17, and myeloperoxidase is also observed. CONCLUSION These results indicate that the dietary exposure to low levels of DON in food targets the colon inducing a health-threatening breakdown of the colonic barrier, highlighting oral exposure to DON as a potential risk factor in triggering IBD.
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Affiliation(s)
- Delphine Payros
- Research center in Food Toxicology, Université de Toulouse, INRAE, ENVT, INP- PURPAN, UPS, Toxalim, Toulouse, F-31027, France.,Université de Toulouse, INSERM, INRAE, ENVT, UPS, IRSD, Toulouse, France
| | - Imourana Alassane-Kpembi
- Department of Veterinary Biomedicine, Faculty of Veterinary Medicine, Université de Montréal, 3200, Rue Sicotte, Saint-Hyacinthe, Québec, J2S 2M2, Canada
| | - Joelle Laffitte
- Research center in Food Toxicology, Université de Toulouse, INRAE, ENVT, INP- PURPAN, UPS, Toxalim, Toulouse, F-31027, France
| | - Corine Lencina
- Research center in Food Toxicology, Université de Toulouse, INRAE, ENVT, INP- PURPAN, UPS, Toxalim, Toulouse, F-31027, France
| | - Manon Neves
- Research center in Food Toxicology, Université de Toulouse, INRAE, ENVT, INP- PURPAN, UPS, Toxalim, Toulouse, F-31027, France
| | - Ana Paula Bracarense
- Universidade Estadual de Londrina, Laboratory of Animal Pathology, Londrina, Parana, CP 6001, Brazil
| | - Philippe Pinton
- Research center in Food Toxicology, Université de Toulouse, INRAE, ENVT, INP- PURPAN, UPS, Toxalim, Toulouse, F-31027, France
| | - Sandrine Ménard
- Research center in Food Toxicology, Université de Toulouse, INRAE, ENVT, INP- PURPAN, UPS, Toxalim, Toulouse, F-31027, France.,Université de Toulouse, INSERM, INRAE, ENVT, UPS, IRSD, Toulouse, France
| | - Isabelle P Oswald
- Research center in Food Toxicology, Université de Toulouse, INRAE, ENVT, INP- PURPAN, UPS, Toxalim, Toulouse, F-31027, France
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12
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González-López NM, Huertas-Ortiz KA, Leguizamon-Guerrero JE, Arias-Cortés MM, Tere-Peña CP, García-Castañeda JE, Rivera-Monroy ZJ. Omics in the detection and identification of biosynthetic pathways related to mycotoxin synthesis. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:4038-4054. [PMID: 34486583 DOI: 10.1039/d1ay01017d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Mycotoxins are secondary metabolites that are known to be toxic to humans and animals. On the other hand, some mycotoxins and their analogues possess antioxidant as well as antitumor properties, which could be relevant in the fields of pharmaceutical analysis and food research. Omics techniques are a group of analytical tools applied in the biological sciences in order to study genes (genomics), mRNA (transcriptomics), proteins (proteomics), and metabolites (metabolomics). Omics have become a vital tool in the field of mycotoxins, especially contributing to the identification of biomarkers with potential use for the detection of mycotoxigenic species and the gathering of information about the biosynthetic pathways of mycotoxins in different environments. This approach has provided tools for the development of prevention strategies and control measures for different mycotoxins. Additionally, research has revealed important information about the impact of global warming and climate change on the prevalence of mycotoxin issues in society. In the context of foodomics, the aim is to apply omics techniques in order to ensure food safety. The objective of the present review is to determine the state of the art regarding the development of analytical techniques based on omics in the identification of biosynthetic pathways related to mycotoxin synthesis.
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Affiliation(s)
| | - Kevin Andrey Huertas-Ortiz
- Facultad de Ciencias, Universidad Nacional de Colombia, Carrera 45 No 26-85, Building 450, Bogotá, Colombia.
| | | | | | | | | | - Zuly Jenny Rivera-Monroy
- Facultad de Ciencias, Universidad Nacional de Colombia, Carrera 45 No 26-85, Building 450, Bogotá, Colombia.
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Statistical Integration of 'Omics Data Increases Biological Knowledge Extracted from Metabolomics Data: Application to Intestinal Exposure to the Mycotoxin Deoxynivalenol. Metabolites 2021; 11:metabo11060407. [PMID: 34205708 PMCID: PMC8233929 DOI: 10.3390/metabo11060407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 06/07/2021] [Accepted: 06/15/2021] [Indexed: 12/18/2022] Open
Abstract
The effects of low doses of toxicants are often subtle and information extracted from metabolomic data alone may not always be sufficient. As end products of enzymatic reactions, metabolites represent the final phenotypic expression of an organism and can also reflect gene expression changes caused by this exposure. Therefore, the integration of metabolomic and transcriptomic data could improve the extracted biological knowledge on these toxicants induced disruptions. In the present study, we applied statistical integration tools to metabolomic and transcriptomic data obtained from jejunal explants of pigs exposed to the food contaminant, deoxynivalenol (DON). Canonical correlation analysis (CCA) and self-organizing map (SOM) were compared for the identification of correlated transcriptomic and metabolomic features, and O2-PLS was used to model the relationship between exposure and selected features. The integration of both 'omics data increased the number of discriminant metabolites discovered (39) by about 10 times compared to the analysis of the metabolomic dataset alone (3). Besides the disturbance of energy metabolism previously reported, assessing correlations between both functional levels revealed several other types of damage linked to the intestinal exposure to DON, including the alteration of protein synthesis, oxidative stress, and inflammasome activation. This confirms the added value of integration to enrich the biological knowledge extracted from metabolomics.
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Luo S, Terciolo C, Neves M, Puel S, Naylies C, Lippi Y, Pinton P, Oswald IP. Comparative sensitivity of proliferative and differentiated intestinal epithelial cells to the food contaminant, deoxynivalenol. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 277:116818. [PMID: 33752036 DOI: 10.1016/j.envpol.2021.116818] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 02/11/2021] [Accepted: 02/19/2021] [Indexed: 06/12/2023]
Abstract
The intestinal epithelium is a functional and physical barrier formed by a cell monolayer that constantly differentiates from a stem cell in the crypt. This is the first target for food contaminants, especially mycotoxins. Deoxynivalenol (DON) is one of the most prevalent mycotoxins. This study compared the effects of DON (0-100 μM) on proliferative and differentiated intestinal epithelial cells. Three cell viability assays (LDH release, ATP content and neutral red uptake) indicated that proliferative Caco-2 cells are more sensitive to DON than differentiated ones. The establishment of transepithelial electrical resistance (TEER), as a read out of the differentiation process, was delayed in proliferative cells after exposure to 1 μM DON. Transcriptome analysis of proliferative and differentiated exposure to 0-3 μM DON for 24 h revealed 4862 differentially expressed genes (DEG) and indicated an effect of both the differentiation status and the DON treatment. KEGG enrichment analysis indicated involvement of metabolism, ECM receptors and tight junctions in the differentiation process, while ribosome biogenesis, mRNA surveillance, and the MAPK pathway were involved in the response to DON. The number of differentially expressed genes and the amplitude of the effect were higher in proliferative cells exposed to DON than that in differentiated cells. In conclusion, our study shows that proliferative cells are more susceptible than differentiated ones to DON and that the mycotoxin delays the differentiation process.
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Affiliation(s)
- Su Luo
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Chloe Terciolo
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Manon Neves
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Sylvie Puel
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Claire Naylies
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Yannick Lippi
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Philippe Pinton
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Isabelle P Oswald
- Toxalim (Research Center in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France.
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He Y, Yin X, Dong J, Yang Q, Wu Y, Gong Z. Transcriptome Analysis of Caco-2 Cells upon the Exposure of Mycotoxin Deoxynivalenol and Its Acetylated Derivatives. Toxins (Basel) 2021; 13:167. [PMID: 33671637 PMCID: PMC7927021 DOI: 10.3390/toxins13020167] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/16/2021] [Accepted: 02/19/2021] [Indexed: 11/17/2022] Open
Abstract
Deoxynivalenol (DON), 3-acetyldeoxynivalenol (3-ADON) and 15-acetyldeoxynivalenol (15-ADON) are type B trichothecenes; one of the major pollutants in food and feed products. Although the toxicity of DON has been well documented, information on the toxicity of its acetylated derivative remains incomplete. To acquire more detailed insight into 3-ADON and 15-ADON, Caco-2 cells under 0.5 µM DON, 3-ADON and 15-ADON treatment for 24 h were subjected to RNA-seq analysis. In the present study, 2656, 3132 and 2425 differentially expressed genes (DEGs) were selected, respectively, and were enriched utilizing the Kyoto Encyclopedia of Genes and Genomes (KEGG) and the Gene Ontology (GO) database. The upregulation of ataxia-telangiectasia mutated kinase (ATM), WEE1 homolog 2 (WEE2) and downregulation of proliferating cell nuclear antigen (PCNA), minichromosome maintenance (MCMs), cyclin dependent kinase (CDKs), and E2Fs indicate that the three toxins induced DNA damage, inhibition of DNA replication and cell cycle arrest in Caco-2 cells. Additionally, the upregulation of sestrin (SENEs) and NEIL1 implied that the reason for DNA damage may be attributable to oxidative stress. Our study provides insight into the toxic mechanism of 3-ADON and 15-ADON.
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Affiliation(s)
- Yuyun He
- Key Laboratory for Deep Processing of Major Grain and Oil of Ministry of Education, Wuhan Polytechnic University, Wuhan 430023, China; (Y.H.); (X.Y.); (J.D.); (Q.Y.)
| | - Xiaoyao Yin
- Key Laboratory for Deep Processing of Major Grain and Oil of Ministry of Education, Wuhan Polytechnic University, Wuhan 430023, China; (Y.H.); (X.Y.); (J.D.); (Q.Y.)
| | - Jingjing Dong
- Key Laboratory for Deep Processing of Major Grain and Oil of Ministry of Education, Wuhan Polytechnic University, Wuhan 430023, China; (Y.H.); (X.Y.); (J.D.); (Q.Y.)
| | - Qing Yang
- Key Laboratory for Deep Processing of Major Grain and Oil of Ministry of Education, Wuhan Polytechnic University, Wuhan 430023, China; (Y.H.); (X.Y.); (J.D.); (Q.Y.)
| | - Yongning Wu
- China National Center for Food Safety Risk Assessment, NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, Beijing 100000, China;
| | - Zhiyong Gong
- Key Laboratory for Deep Processing of Major Grain and Oil of Ministry of Education, Wuhan Polytechnic University, Wuhan 430023, China; (Y.H.); (X.Y.); (J.D.); (Q.Y.)
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16
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Habschied K, Kanižai Šarić G, Krstanović V, Mastanjević K. Mycotoxins-Biomonitoring and Human Exposure. Toxins (Basel) 2021; 13:113. [PMID: 33546479 PMCID: PMC7913644 DOI: 10.3390/toxins13020113] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/23/2021] [Accepted: 01/26/2021] [Indexed: 12/31/2022] Open
Abstract
Mycotoxins are secondary metabolites produced by fungal species that commonly have a toxic effect on human and animal health. Different foodstuff can be contaminated and are considered the major source of human exposure to mycotoxins, but occupational and environmental exposure can also significantly contribute to this problem. This review aims to provide a short overview of the occurrence of toxigenic fungi and regulated mycotoxins in foods and workplaces, following the current literature and data presented in scientific papers. Biomonitoring of mycotoxins in plasma, serum, urine, and blood samples has become a common method for determining the exposure to different mycotoxins. Novel techniques are more and more precise and accurate and are aiming toward the simultaneous determination of multiple mycotoxins in one analysis. Application of liquid chromatography (LC) methodologies, coupled with tandem mass spectrometry (MS/MS) or high-resolution mass spectrometry (HRMS) has become a common and most reliable method for determining the exposure to mycotoxins. Numerous references confirm the importance of mycotoxin biomonitoring to assess the exposure for humans and animals. The objectives of this paper were to review the general approaches to biomonitoring of different mycotoxins and the occurrence of toxigenic fungi and their mycotoxins, using recent literature sources.
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Affiliation(s)
- Kristina Habschied
- Department of Process Engineering, Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia; (V.K.); (K.M.)
| | - Gabriella Kanižai Šarić
- Department of Agroecology and Environment Protection, Faculty of Agrobiotechnical Sciences Osijek, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia;
| | - Vinko Krstanović
- Department of Process Engineering, Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia; (V.K.); (K.M.)
| | - Krešimir Mastanjević
- Department of Process Engineering, Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, 31000 Osijek, Croatia; (V.K.); (K.M.)
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Tominaga M, Ichikawa S, Sakashita F, Tadaishi M, Shimizu M, Kobayashi-Hattori K. Anorexic action of fusarenon-x in the hypothalamus and intestine. Toxicon 2020; 187:57-64. [PMID: 32882257 DOI: 10.1016/j.toxicon.2020.08.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 08/05/2020] [Accepted: 08/30/2020] [Indexed: 10/23/2022]
Abstract
There is a lack of information available on the anorexic action of fusarenon-x (FX), which is a sesquiterpenoid mycotoxin. In this study, we investigated the changes in the hypothalamus and small intestine related to appetite after oral FX exposure. The time-course change of food intake after oral FX exposure (0.5, 1.0, and 2.5 mg/kg bw) in B6C3F1 mice showed that 2.5 mg/kg bw of FX significantly suppressed food intake during 3-6 h compared to the control. Furthermore, the total food intake for 24 h was lower in the group exposed to FX than in the control. The FX exposure (2.5 mg/kg bw for 3 h) significantly increased mRNA levels of anorexic hormones (pro-opiomelanocortin (POMC) and cocaine- and amphetamine-regulated transcription (CART)) without changing the mRNA levels of orexigenic hormones. In addition, FX exposure indicated significantly higher mRNA levels of possible downstream targets of anorexic POMC neurons, such as the melanocortin 4 receptor (MC4R), brain-derived neurotrophic factor (BDNF) and tyrosine kinase receptor B (TrkB), in the hypothalamus compared to the control. FX exposure also significantly increased the mRNA level of inflammatory cytokines (tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β)) and activated nuclear factor-kappa B (NF-κB), which is a regulatory factor for POMC in the hypothalamus. In the intestine, FX exposure did not affect the mRNA level of anorexic peptide YY but significantly elevated that of anorexic cholecystokinin (CCK) and regulatory factors for CCK (calcium-sensing receptor (CaSR), the transient receptor potential ankyrin-1 channel (TRPA1), and transient receptor potential cation channel subfamily M member 5 (TRPM5)). These results suggest that FX sequentially induces inflammatory cytokine expression, NF-κB activation, and POMC expression in the hypothalamus. FX also induces CCK expression in the intestine possibly via induction of CaSR, TRPM5, and TRPA1 expression. These changes will eventually lead to the anorexic action of FX.
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Affiliation(s)
- Misa Tominaga
- Department of Nutritional Science, Faculty of Applied Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo, 156-8502, Japan
| | - Saori Ichikawa
- Department of Nutritional Science, Faculty of Applied Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo, 156-8502, Japan
| | - Fumiko Sakashita
- Department of Nutritional Science, Faculty of Applied Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo, 156-8502, Japan
| | - Miki Tadaishi
- Department of Nutritional Science, Faculty of Applied Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo, 156-8502, Japan
| | - Makoto Shimizu
- Department of Nutritional Science, Faculty of Applied Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo, 156-8502, Japan
| | - Kazuo Kobayashi-Hattori
- Department of Nutritional Science, Faculty of Applied Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo, 156-8502, Japan.
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Deoxynivalenol Exposure Suppresses Adipogenesis by Inhibiting the Expression of Peroxisome Proliferator-Activated Receptor Gamma 2 (PPARγ2) in 3T3-L1 Cells. Int J Mol Sci 2020; 21:ijms21176300. [PMID: 32878272 PMCID: PMC7504378 DOI: 10.3390/ijms21176300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/29/2020] [Accepted: 08/29/2020] [Indexed: 12/16/2022] Open
Abstract
Deoxynivalenol (DON)-a type B trichothecene mycotoxin, mainly produced by the secondary metabolism of Fusarium-has toxic effects on animals and humans. Although DON's toxicity in many organs including the adrenal glands, thymus, stomach, spleen, and colon has been addressed, its effects on adipocytes have not been investigated. In this study, 3T3-L1 cells were chosen as the cell model and treated with less toxic doses of DON (100 ng/mL) for 7 days. An inhibition of adipogenesis and decrease in triglycerides (TGs) were observed. DON exposure significantly downregulated the expression of PPARγ2 and C/EBPα, along with that of other adipogenic marker genes in 3T3-L1 cells and BALB/c mice. The anti-adipogenesis effect of DON and the downregulation of the expression of adipogenic marker genes were effectively reversed by PPARγ2 overexpression. The repression of PPARγ2's expression is the pivotal event during DON exposure regarding adipogenesis. DON exposure specifically decreased the di-/trimethylation levels of Histone 3 at lysine 4 in 3T3-L1 cells, therefore weakening the enrichment of H3K4me2 and H3K4me3 at the Pparγ2 promoter and suppressing its expression. Conclusively, DON exposure inhibited PPARγ2 expression via decreasing H3K4 methylation, downregulated the expression of PPARγ2-regulated adipogenic marker genes, and consequently suppressed the intermediate and late stages of adipogenesis. Our results broaden the current understanding of DON's toxic effects and provide a reference for addressing the toxicological mechanism of DON's interference with lipid homeostasis.
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Gao Y, Ye Q, Bao X, Huang X, Wang J, Zheng N. Transcriptomic and proteomic profiling reveals the intestinal immunotoxicity induced by aflatoxin M1 and ochratoxin A. Toxicon 2020; 180:49-61. [PMID: 32268155 DOI: 10.1016/j.toxicon.2020.03.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 03/24/2020] [Accepted: 03/27/2020] [Indexed: 12/21/2022]
Abstract
Mycotoxins-contaminated milk could threaten human health; therefore, it is necessary to demonstrate the toxicological effect of mycotoxins in milk. Most recently, researchers have paid more attention to the immunotoxic effects of the individual cereal-contaminating mycotoxins, namely, zearalenone and deoxynivalenol. However, there is scant information about the intestinal immunotoxicity of aflatoxin M1 (AFM1), let alone that of a combination of AFM1 and ochratoxin A (OTA), which often co-occur in milk. To reveal the inflammatory response caused by these mycotoxins, expression of inflammation-related genes in differentiated Caco-2 cells was analyzed, demonstrating a synergistic effect of the mixture of AFM1 (4 μg/mL) and OTA (4 μg/mL). Integrative transcriptomic and proteomic analyses were also performed. A cross-omics analysis identified several mechanisms underlying this synergy: (i) compared with stimulation with either compound alone, combined use resulted in stronger induction of proteins involved in immunity-related pathways; (ii) combination of the two agents targeted different points in the same pathways; and (iii) combination of the two agents activated specific inflammation-related pathways. These results suggested that combined use of AFM1 and OTA might exacerbate intestinal inflammation, indicating that regulatory authorities should pay more attention to food contamination by multiple mycotoxins when performing risk assessments.
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Affiliation(s)
- Yanan Gao
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Milk and Milk Products Inspection Center of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Qiaoyan Ye
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Milk and Milk Products Inspection Center of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Xiaoyu Bao
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Milk and Milk Products Inspection Center of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Xin Huang
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Milk and Milk Products Inspection Center of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Jiaqi Wang
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Milk and Milk Products Inspection Center of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Nan Zheng
- Key Laboratory of Quality & Safety Control for Milk and Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Laboratory of Quality and Safety Risk Assessment for Dairy Products of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; Milk and Milk Products Inspection Center of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China; State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
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Wang JJ, Zhang RQ, Zhai QY, Liu JC, Li N, Liu WX, Li L, Shen W. Metagenomic analysis of gut microbiota alteration in a mouse model exposed to mycotoxin deoxynivalenol. Toxicol Appl Pharmacol 2019; 372:47-56. [DOI: 10.1016/j.taap.2019.04.009] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 04/04/2019] [Accepted: 04/10/2019] [Indexed: 02/08/2023]
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21
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Aupanun S, Phuektes P, Poapolathep S, Alassane-Kpembi I, Oswald IP, Poapolathep A. Individual and combined cytotoxicity of major trichothecenes type B, deoxynivalenol, nivalenol, and fusarenon-X on Jurkat human T cells. Toxicon 2019; 160:29-37. [DOI: 10.1016/j.toxicon.2019.02.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 02/04/2019] [Accepted: 02/13/2019] [Indexed: 11/16/2022]
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Review article: Role of satiety hormones in anorexia induction by Trichothecene mycotoxins. Food Chem Toxicol 2018; 121:701-714. [PMID: 30243968 DOI: 10.1016/j.fct.2018.09.034] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 09/12/2018] [Accepted: 09/15/2018] [Indexed: 12/27/2022]
Abstract
The trichothecenes, produced by Fusarium, contaminate animal feed and human food in all stages of production and lead to a large spectrum of adverse effects for animal and human health. An hallmark of trichothecenes toxicity is the onset of emesis followed by anorexia and food intake reduction in different animal species (mink, mice and pig). The modulation of emesis and anorexia can result from a direct action of trichothecenes in the brain or from an indirect action in the gastrointestinal tract. The direct action of trichothecenes involved specific brain areas such as nucleate tractus solitarius in the brainstem and the arcuate nuclei in the hypothalamus. Activation of these areas in the brain leads to the activation of specific neuronal populations containing anorexigenic factors (POMC and CART). The indirect action of trichothecenes in the gastrointestinal tract involved, by enteroendocrine cells, the secretion of several gut hormones such as cholecystokinin (CCK) and peptide YY (PYY) but also glucagon-like peptide 1 (GLP-1), gastric inhibitory peptide (GIP) and 5-hydroxytryptamine (5-HT), which transmitted signals to the brain via the gut-brain axis. This review summarizes current knowledge on the effects of trichothecenes, especially deoxynivalenol, on emesis and anorexia and discusses the mechanisms underlying trichothecenes-induced food reduction.
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Pierron A, Bracarense APFL, Cossalter AM, Laffitte J, Schwartz-Zimmermann HE, Schatzmayr G, Pinton P, Moll WD, Oswald IP. Deepoxy-deoxynivalenol retains some immune-modulatory properties of the parent molecule deoxynivalenol in piglets. Arch Toxicol 2018; 92:3381-3389. [DOI: 10.1007/s00204-018-2293-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 08/20/2018] [Indexed: 12/23/2022]
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24
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Vidal A, Mengelers M, Yang S, De Saeger S, De Boevre M. Mycotoxin Biomarkers of Exposure: A Comprehensive Review. Compr Rev Food Sci Food Saf 2018; 17:1127-1155. [DOI: 10.1111/1541-4337.12367] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Revised: 05/09/2018] [Accepted: 05/12/2018] [Indexed: 11/30/2022]
Affiliation(s)
- Arnau Vidal
- Laboratory of Food Analysis, Dept. of Bioanalysis, Faculty of Pharmaceutical Sciences; Ghent Univ.; Ghent Belgium
| | - Marcel Mengelers
- Dept. of Food Safety; National Inst. of Public Health and the Environment; Bilthoven The Netherlands
| | - Shupeng Yang
- Inst. of Apicultural Research, Chinese Acad. of Agricultural Sciences, Key Laboratory of Bee Products for Quality and Safety Control, Laboratory of Risk Assessment for Quality and Safety of Bee Products; Bee Product Quality Supervision and Testing Center; Ministry of Agriculture Beijing 100093 People's Republic of China
| | - Sarah De Saeger
- Laboratory of Food Analysis, Dept. of Bioanalysis, Faculty of Pharmaceutical Sciences; Ghent Univ.; Ghent Belgium
| | - Marthe De Boevre
- Laboratory of Food Analysis, Dept. of Bioanalysis, Faculty of Pharmaceutical Sciences; Ghent Univ.; Ghent Belgium
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Leblois J, Massart S, Soyeurt H, Grelet C, Dehareng F, Schroyen M, Li B, Wavreille J, Bindelle J, Everaert N. Feeding sows resistant starch during gestation and lactation impacts their faecal microbiota and milk composition but shows limited effects on their progeny. PLoS One 2018; 13:e0199568. [PMID: 29969488 PMCID: PMC6029764 DOI: 10.1371/journal.pone.0199568] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 06/08/2018] [Indexed: 01/19/2023] Open
Abstract
Background Establishment of a beneficial microbiota profile for piglets as early in life as possible is important as it will impact their future health. In the current study, we hypothesized that resistant starch (RS) provided in the maternal diet during gestation and lactation will be fermented in their hindgut, which would favourably modify their milk and/or gut microbiota composition and that it would in turn affect piglets’ microbiota profile and their absorptive and immune abilities. Methods In this experiment, 33% of pea starch was used in the diet of gestating and lactating sows and compared to control sows. Their faecal microbiota and milk composition were determined and the colonic microbiota, short-chain fatty acids (SCFA) production and gut health related parameters of the piglets were measured two days before weaning. In addition, their overall performances and post-weaning faecal score were also assessed. Results The RS diet modulated the faecal microbiota of the sows during gestation, increasing the Firmicutes:Bacteroidetes ratio and the relative abundance of beneficial genera like Bifidobacterium but these differences disappeared during lactation and maternal diets did not impact the colonic microbiota of their progeny. Milk protein concentration decreased with RS diet and lactose concentration increased within the first weeks of lactation while decreased the week before weaning with the RS diet. No effect of the dietary treatment, on piglets’ bodyweight or diarrhoea frequency post-weaning was observed. Moreover, the intestinal morphology measured as villus height and crypt depths, and the inflammatory cytokines in the intestine of the piglets were not differentially expressed between maternal treatments. Only zonula occludens 1 (ZO-1) was more expressed in the ileum of piglets born from RS sows, suggesting a better closure of the mucosa tight junctions. Conclusion Changes in the microbiota transferred from mother to piglets due to the inclusion of RS in the maternal diet are rather limited even though milk composition was affected.
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Affiliation(s)
- Julie Leblois
- Precision Livestock and Nutrition Unit, Gembloux Agro-Bio Tech, TERRA, Teaching and Research Centre, University of Liège, Gembloux, Belgium
- Research Foundation for Industry and Agriculture, National Scientific Research Foundation (FRIA-FNRS), Brussels, Belgium
- * E-mail: (JL); (NE)
| | - Sébastien Massart
- Laboratory of Urban and Integrated PhytoPathology, Gembloux Agro-Bio Tech, TERRA, Teaching and Research Centre, University of Liège, Gembloux, Belgium
| | - Hélène Soyeurt
- Laboratory of Statistics, Informatics and Modelling Applied to Bioengineering, AGROBIOCHEM Department, Teaching and Research Centre (TERRA), Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
| | - Clément Grelet
- Valorisation of Agricultural Products Department, Walloon Agricultural Research Centre, Gembloux, Belgium
| | - Frédéric Dehareng
- Valorisation of Agricultural Products Department, Walloon Agricultural Research Centre, Gembloux, Belgium
| | - Martine Schroyen
- Precision Livestock and Nutrition Unit, Gembloux Agro-Bio Tech, TERRA, Teaching and Research Centre, University of Liège, Gembloux, Belgium
| | - Bing Li
- Precision Livestock and Nutrition Unit, Gembloux Agro-Bio Tech, TERRA, Teaching and Research Centre, University of Liège, Gembloux, Belgium
| | - José Wavreille
- Production and Sectors Department, Walloon Agricultural Research Centre, Gembloux, Belgium
| | - Jérôme Bindelle
- Precision Livestock and Nutrition Unit, Gembloux Agro-Bio Tech, TERRA, Teaching and Research Centre, University of Liège, Gembloux, Belgium
| | - Nadia Everaert
- Precision Livestock and Nutrition Unit, Gembloux Agro-Bio Tech, TERRA, Teaching and Research Centre, University of Liège, Gembloux, Belgium
- * E-mail: (JL); (NE)
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Alassane-Kpembi I, Pinton P, Hupé JF, Neves M, Lippi Y, Combes S, Castex M, Oswald IP. Saccharomyces cerevisiae Boulardii Reduces the Deoxynivalenol-Induced Alteration of the Intestinal Transcriptome. Toxins (Basel) 2018; 10:E199. [PMID: 29762474 PMCID: PMC5983255 DOI: 10.3390/toxins10050199] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 05/02/2018] [Accepted: 05/11/2018] [Indexed: 12/15/2022] Open
Abstract
Type B trichothecene mycotoxin deoxynivalenol (DON) is one of the most frequently occurring food contaminants. By inducing trans-activation of a number of pro-inflammatory cytokines and increasing the stability of their mRNA, trichothecene can impair intestinal health. Several yeast products, especially Saccharomyces cerevisiae, have the potential for improving the enteric health of piglets, but little is known about the mechanisms by which the administration of yeast counteracts the DON-induced intestinal alterations. Using a pig jejunum explant model, a whole-transcriptome analysis was performed to decipher the early response of the small intestine to the deleterious effects of DON after administration of S. cerevisiae boulardii strain CNCM I-1079. Compared to the control condition, no differentially expressed gene (DE) was observed after treatment by yeast only. By contrast, 3619 probes-corresponding to 2771 genes-were differentially expressed following exposure to DON, and 32 signaling pathways were identified from the IPA software functional analysis of the set of DE genes. When the intestinal explants were treated with S. cerevisiae boulardii prior to DON exposure, the number of DE genes decreased by half (1718 probes corresponding to 1384 genes). Prototypical inflammation signaling pathways triggered by DON, including NF-κB and p38 MAPK, were reversed, although the yeast demonstrated limited efficacy toward some other pathways. S. cerevisiae boulardii also restored the lipid metabolism signaling pathway, and reversed the down-regulation of the antioxidant action of vitamin C signaling pathway. The latter effect could reduce the burden of DON-induced oxidative stress. Altogether, the results show that S. cerevisiae boulardii reduces the DON-induced alteration of intestinal transcriptome, and point to new mechanisms for the healing of tissue injury by yeast.
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Affiliation(s)
- Imourana Alassane-Kpembi
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-PURPAN, UPS, BP.93173 F-31027 Toulouse CEDEX 3, France.
- Hôpital d'Instruction des Armées-Centre Hospitalier Universitaire Cotonou Camp Guézo, Cotonou 01BP517, Benin.
| | - Philippe Pinton
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-PURPAN, UPS, BP.93173 F-31027 Toulouse CEDEX 3, France.
| | - Jean-François Hupé
- Lallemand SAS, 19 rue des Briquetiers, BP 59, 31702 Blagnac CEDEX, France.
| | - Manon Neves
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-PURPAN, UPS, BP.93173 F-31027 Toulouse CEDEX 3, France.
| | - Yannick Lippi
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-PURPAN, UPS, BP.93173 F-31027 Toulouse CEDEX 3, France.
| | - Sylvie Combes
- GenPhySE, Université de Toulouse, INRA, ENVT, 31320 Castanet Tolosan, France.
| | - Mathieu Castex
- Lallemand SAS, 19 rue des Briquetiers, BP 59, 31702 Blagnac CEDEX, France.
| | - Isabelle P Oswald
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-PURPAN, UPS, BP.93173 F-31027 Toulouse CEDEX 3, France.
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Le TH, Alassane-Kpembi I, Oswald IP, Pinton P. Analysis of the interactions between environmental and food contaminants, cadmium and deoxynivalenol, in different target organs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 622-623:841-848. [PMID: 29223910 DOI: 10.1016/j.scitotenv.2017.12.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 11/28/2017] [Accepted: 12/02/2017] [Indexed: 06/07/2023]
Abstract
Cadmium (Cd), a common and widespread toxic heavy metal, and mycotoxins such as deoxynivalenol (DON) are frequent contaminants of the food supply. Most of the data on their toxicity concern their effects when present alone. However, consumers can be exposed to a cocktail of DON and Cd. To improve the understanding of their combined toxicity, the effects of DON and Cd alone or in combination were investigated in different human cell lines from the kidney (HEK-293), intestine (Caco-2), blood (HL-60) and liver (HepG2). Cytotoxicity was assessed through ATP measurement and types of interactions determined by the Isobologram-Combination index method. HEK-293 cells were exposed to increasing doses of DON, Cd and their combination at different ratios (DON/Cd of 2/1; 1/1; 1/2 and 1/8). Regardless of the ratio, the type of interaction observed in HEK-293 cells ranged from moderate antagonism to nearly additive with increasing cytotoxicity. In Caco-2 cells, the interactions ranged from nearly additive to antagonism whatever the ratio. At ratio 1/1, in HL-60 and HepG2 cells, interactions ranged from synergy to antagonism depending on the cytotoxicity level. Using human cells lines, this study indicates that the consequences of combined exposure to environmental and food contaminants are specific to the target organ. Further studies are needed to confirm these data in vivo.
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Affiliation(s)
- Thanh-Huong Le
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, 180 chemin de Tournefeuille, 31027 Toulouse cedex 3, France
| | - Imourana Alassane-Kpembi
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, 180 chemin de Tournefeuille, 31027 Toulouse cedex 3, France; Hôpital d'Instruction des Armées, Camp Guézo, 01BP517 Cotonou, Bénin
| | - Isabelle P Oswald
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, 180 chemin de Tournefeuille, 31027 Toulouse cedex 3, France.
| | - Philippe Pinton
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, 180 chemin de Tournefeuille, 31027 Toulouse cedex 3, France
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Ergot Alkaloids at Doses Close to EU Regulatory Limits Induce Alterations of the Liver and Intestine. Toxins (Basel) 2018; 10:toxins10050183. [PMID: 29723978 PMCID: PMC5983239 DOI: 10.3390/toxins10050183] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 04/07/2018] [Accepted: 04/17/2018] [Indexed: 02/07/2023] Open
Abstract
An increase in the occurrence of ergot alkaloids (EAs) contamination has been observed in North America and Europe in recent years. These toxins are well known for their effects on the circulatory and nervous systems. The aim of this study was to investigate the effect of EAs on the liver and on the intestine using the pig both as a target species and as a non-rodent model for human. Three groups of 24 weaned piglets were exposed for 28 days to control feed or feed contaminated with 1.2 or 2.5 g of sclerotia/kg, i.e., at doses close to EU regulatory limits. Contaminated diets significantly reduced feed intake and consequently growth performance. In the liver, alteration of the tissue, including development of inflammatory infiltrates, vacuolization, apoptosis and necrosis of hepatocytes as well as presence of enlarged hepatocytes (megalocytes) were observed. In the jejunum, EAs reduced villi height and increased damage to the epithelium, reduced the number of mucus-producing cells and upregulated mRNA coding for different tight junction proteins such as claudins 3 and 4. In conclusion, in term of animal health, our data indicate that feed contaminated at the regulatory limits induces lesions in liver and intestine suggesting that this limit should be lowered for pigs. In term of human health, we establish a lowest observed adverse effect level (LOAEL) of 100 μg/kg body weight (bw) per day, lower than the benchmark dose limit (BMDL) retained by European Food Safety Authority (EFSA) to set the tolerable daily intake, suggesting also that regulatory limit should be revised.
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Maresca M, Pinton P, Ajandouz EH, Menard S, Ferrier L, Oswald IP. Overview and Comparison of Intestinal Organotypic Models, Intestinal Cells, and Intestinal Explants Used for Toxicity Studies. Curr Top Microbiol Immunol 2018; 430:247-264. [PMID: 30259111 DOI: 10.1007/82_2018_142] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The intestine is a complex organ formed of different types of cell distributed in different layers of tissue. To minimize animal experiments, for decades, researchers have been trying to develop in vitro/ex vivo systems able to mimic the cellular diversity naturally found in the gut. Such models not only help our understanding of the gut physiology but also of intestinal toxicity. This review describes the different systems used to evaluate the effects of drugs/contaminants on intestinal functions and compares their advantages and limitations. The comparison showed that the organotypic model is the best available model to perform intestinal toxicity studies, including on human tissues.
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Affiliation(s)
- Marc Maresca
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Philippe Pinton
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, France
| | | | - Sandrine Menard
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Laurent Ferrier
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Isabelle P Oswald
- Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, France.
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Ferreira Lopes S, Vacher G, Ciarlo E, Savova-Bianchi D, Roger T, Niculita-Hirzel H. Primary and Immortalized Human Respiratory Cells Display Different Patterns of Cytotoxicity and Cytokine Release upon Exposure to Deoxynivalenol, Nivalenol and Fusarenon-X. Toxins (Basel) 2017; 9:toxins9110337. [PMID: 29068378 PMCID: PMC5705952 DOI: 10.3390/toxins9110337] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 10/17/2017] [Accepted: 10/20/2017] [Indexed: 12/14/2022] Open
Abstract
The type B trichothecene mycotoxins deoxynivalenol (DON), nivalenol (NIV) and fusarenon-X (FX) are structurally related secondary metabolites frequently produced by Fusarium on wheat. Consequently, DON, NIV and FX contaminate wheat dusts, exposing grain workers to toxins by inhalation. Those trichothecenes at low, relevant, exposition concentrations have differential effects on intestinal cells, but whether such differences exist with respiratory cells is mostly unknown, while it is required to assess the combined risk of exposure to mycotoxins. The goal of the present study was to compare the effects of DON, NIV and FX alone or in combination on the viability and IL-6 and IL-8-inducing capacity of human epithelial cells representative of the respiratory tract: primary human airway epithelial cells of nasal (hAECN) and bronchial (hAECB) origin, and immortalized human bronchial (16HBE14o-) and alveolar (A549) epithelial cell lines. We report that A549 cells are particularly resistant to the cytotoxic effects of mycotoxins. FX is more toxic than DON and NIV for all epithelial cell types. Nasal and bronchial primary cells are more sensitive than bronchial and alveolar cell lines to combined mycotoxin mixtures at low concentrations, although they are less sensitive to mycotoxins alone. Interactions between mycotoxins at low concentrations are rarely additive and are observed only for DON/NIV and NIV/FX on hAECB cells and DON/NIV/FX on A549 cells. Most interactions at low mycotoxin concentrations are synergistic, antagonistic interactions being observed only for DON/FX on hAECB, DON/NIV on 16HBE14o- and NIV/FX on A549 cells. DON, NIV and FX induce, albeit at different levels, IL-6 and IL-8 release by all cell types. However, NIV and FX at concentrations of low cytotoxicity induce IL-6 release by hAECB and A549 cells, and IL-8 release by hAECN cells. Overall, these data suggest that combined exposure to mycotoxins at low concentrations have a stronger effect on primary nasal epithelial cells than on bronchial epithelial cells and activate different inflammatory pathways. This information is particularly relevant for future studies about the hazard of occupational exposure to mycotoxins by inhalation and its impact on the respiratory tract.
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Affiliation(s)
- Silvia Ferreira Lopes
- Service of Occupational Hygiene, Institute for Work and Health (IST), University of Lausanne and Geneva, Epalinges 1066, Switzerland.
| | - Gaëlle Vacher
- Service of Occupational Hygiene, Institute for Work and Health (IST), University of Lausanne and Geneva, Epalinges 1066, Switzerland.
| | - Eleonora Ciarlo
- Infectious Diseases Service, Lausanne University Hospital, Epalinges 1066, Switzerland.
| | - Dessislava Savova-Bianchi
- Service of Occupational Hygiene, Institute for Work and Health (IST), University of Lausanne and Geneva, Epalinges 1066, Switzerland.
| | - Thierry Roger
- Infectious Diseases Service, Lausanne University Hospital, Epalinges 1066, Switzerland.
| | - Hélène Niculita-Hirzel
- Service of Occupational Hygiene, Institute for Work and Health (IST), University of Lausanne and Geneva, Epalinges 1066, Switzerland.
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