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Ali O, Szabó A. Fumonisin distorts the cellular membrane lipid profile: A mechanistic insight. Toxicology 2024; 506:153860. [PMID: 38871209 DOI: 10.1016/j.tox.2024.153860] [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: 04/18/2024] [Revised: 06/04/2024] [Accepted: 06/06/2024] [Indexed: 06/15/2024]
Abstract
Monitoring modifications in membrane lipids in association with external stimuli/agents, including fumonisins (FUMs), is a widely employed approach to assess cellular metabolic response/status. FUMs are prevalent fusariotoxins worldwide that have diverse structures with varying toxicity across species; nevertheless, they can induce metabolic disturbances and disease, including cancer. The capacity of FUMs to disrupt membrane lipids, demonstrated across numerous species and organs/tissues, is ascribed to a multitude of factors/events, which range from direct to indirect effects. Certain events are well established, whereas the potential consequences of others remain speculative. The most notable effect is their resemblance to sphingoid bases, which impacts the synthesis of ceramides leading to numerous changes in lipids' composition that are not limited to sphingolipids' composition of the membranes. The next plausible scenario involves the induction of oxidative stress, which is considered an indirect/secondary effect of FUMs. Additional modes of action include modifications of enzyme activities and nuclear signals related to lipid metabolism, although these are likely not yet fully comprehended. This review provides in-depth insight into the current state of these events and their potential mechanistic actions in modifying membrane lipids, with a focus on long-chain fatty acids. This paper also presents a detailed description of the reported modifications to membrane lipids by FUMs.
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Affiliation(s)
- Omeralfaroug Ali
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Institute of Physiology and Animal Nutrition, Department of Animal Physiology and Health, Hungarian University of Agriculture and Life Sciences, Guba Sándor Str. 40, Kaposvár 7400, Hungary.
| | - András Szabó
- Agribiotechnology and Precision Breeding for Food Security National Laboratory, Institute of Physiology and Animal Nutrition, Department of Animal Physiology and Health, Hungarian University of Agriculture and Life Sciences, Guba Sándor Str. 40, Kaposvár 7400, Hungary; HUN-REN-MATE Mycotoxins in the Food Chain Research Group, Hungarian University of Agriculture and Life Sciences, Guba Sándor Str. 40, Kaposvár 7400, Hungary
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2
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Altyar AE, Kensara OA, Noreldin AE, Albadrani GM, El-Demerdash FM, Sayed AA, Piscopo M, Mohammedsaleh ZM, Al-Ghadi MQ, Ghaboura N, Abdel-Daim MM. Spirulina platensis ameliorates hepatic oxidative stress and DNA damage induced by aflatoxin B1 in rats. Toxicon 2024; 237:107553. [PMID: 38072319 DOI: 10.1016/j.toxicon.2023.107553] [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: 05/29/2023] [Revised: 11/25/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023]
Abstract
Aflatoxin B1 (AFB1) is a widely distributed mycotoxin, causing hepatotoxicity and oxidative stress. One of the most famous unicellular cyanobacteria is Spirulina platensis (SP) which is well known for its antioxidant characteristics against many toxicants. Therefore, this study aimed to investigate the antioxidant potential and hepatoprotective ability of SP against oxidative stress and cytotoxicity in male Wistar albino rats intraperitoneally injected with AFB1. Rats were separated into five groups as follows: negative control administered with saline; SP (1000 mg/kg BW) for two weeks; AFB1 (2.5 mg/kg BW) twice on days 12 and 14; AFB1 (twice) + 500 mg SP/kg BW (for two weeks) and AFB1 (twice) + 1000 mg SP/kg BW (for two weeks). Liver and blood samples were assembled for histological and biochemical analyses. AFB1 intoxicated rats showed a marked elevation in serum biochemical parameters (ALP, ALT, and AST), hepatic lipid peroxidation (MDA and NO), and proliferating cell nuclear antigen (PCNA) indicating DNA damage. Moreover, AFB1 caused suppression of antioxidant biomarkers (SOD, GHS, GSH-Px, and CAT). However, the elevated serum levels of biochemical parameters and PCNA expression were reduced by SP. Moreover, SP lowered oxidative stress and lipid peroxidation markers in a dose-dependent manner. To sum up, SP supplementation is capable of decreasing AFB1 toxicity through its powerful antioxidant activity.
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Affiliation(s)
- Ahmed E Altyar
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, P.O.Box 80260, Jeddah, 21589, Saudi Arabia; Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah, 21442, Saudi Arabia.
| | - Osama A Kensara
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, Umm Al-Qura University, P.O. Box 7067, Makkah, 21955, Saudi Arabia
| | - Ahmed E Noreldin
- Histology and Cytology Department, Faculty of Veterinary Medicine, Damanhour University, Damanhour, 22511, Egypt
| | - Ghadeer M Albadrani
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, 84428, Riyadh, 11671, Saudi Arabia
| | - Fatma M El-Demerdash
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
| | - Amany A Sayed
- Zoology Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Marina Piscopo
- Department of Biology, University of Naples Federico II, Via Cinthia, 80126, Naples, Italy
| | - Zuhair M Mohammedsaleh
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk, 71491, Saudi Arabia
| | - Muath Q Al-Ghadi
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Nehmat Ghaboura
- Department of Pharmacy Practice, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah, 21442, Saudi Arabia
| | - Mohamed M Abdel-Daim
- Department of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box 6231, Jeddah, 21442, Saudi Arabia; Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.
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3
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Kumar LK, Verma SK, Chandel R, Thumar M, Singh D, Onteru SK. Aflatoxin M1 decreases the expression of genes encoding tight junction proteins and influences the intestinal epithelial integrity. Mycotoxin Res 2023; 39:453-467. [PMID: 37794205 DOI: 10.1007/s12550-023-00505-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/10/2023] [Accepted: 09/12/2023] [Indexed: 10/06/2023]
Abstract
Aflatoxin M1 (AFM1) is a mycotoxin that is commonly found as a milk contaminant, and its presence in milk has been linked to cytotoxicity. The present study aimed to evaluate the acute cytotoxic effects of AFM1 on intestinal Caco-2 cells. Initially, we checked the morphology and viability of Caco-2 cells after treatment with different concentrations of AFM1 (5 ng/L, 50 ng/L, 250 ng/L, 500 ng/L, 1000 ng/L, and 2000 ng/L) for different time intervals (6 h, 12 h, and 24 h). It was found that AFM1 did not show any effect on cell morphology, but 10% decrease in viability above 1000 ng/L after 12 h. Furthermore, DCFDA assay showed increased ROS production after 6 h treatments. qPCR analysis showed an increased expression of epithelial-specific cytoskeleton marker genes, Cytokeratin, Villin, Vimentin, and JAM-1, and a decreased expression of tight junction protein genes, Claudin-1, Occludin, and ZO-1. Similarly, we found an increased expression of Cyp1a1 transcript with an increasing AFM1 concentration and incubation time. This gene expression analysis showed AFM1 can cause disruption of tight junctions between intestinal cells, which was further confirmed by a transwell experiment. In conclusion, consumption of AFM1-contaminated milk does not show any effect on cells morphology and viability but decreases the expression of intestinal barrier transcripts that may lead to the disruption of intestinal barrier function and leaky gut.
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Affiliation(s)
- Lal Krishan Kumar
- Molecular Endocrinology, Functional Genomics & System Biology Laboratory, Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal (Haryana), India, 132001
| | - Surya Kant Verma
- Molecular Endocrinology, Functional Genomics & System Biology Laboratory, Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal (Haryana), India, 132001
| | - Rajeev Chandel
- Molecular Endocrinology, Functional Genomics & System Biology Laboratory, Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal (Haryana), India, 132001
| | - Meet Thumar
- Molecular Endocrinology, Functional Genomics & System Biology Laboratory, Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal (Haryana), India, 132001
| | - Dheer Singh
- Molecular Endocrinology, Functional Genomics & System Biology Laboratory, Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal (Haryana), India, 132001
| | - Suneel Kumar Onteru
- Molecular Endocrinology, Functional Genomics & System Biology Laboratory, Animal Biochemistry Division, ICAR-National Dairy Research Institute, Karnal (Haryana), India, 132001.
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Jobe MC, Mthiyane DMN, Dludla PV, Mazibuko-Mbeje SE, Onwudiwe DC, Mwanza M. Pathological Role of Oxidative Stress in Aflatoxin-Induced Toxicity in Different Experimental Models and Protective Effect of Phytochemicals: A Review. Molecules 2023; 28:5369. [PMID: 37513242 PMCID: PMC10386527 DOI: 10.3390/molecules28145369] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/26/2023] [Accepted: 07/08/2023] [Indexed: 07/30/2023] Open
Abstract
Aflatoxin B1 is a secondary metabolite with a potentially devastating effect in causing liver damage in broiler chickens, and this is mainly facilitated through the generation of oxidative stress and malonaldehyde build-up. In the past few years, significant progress has been made in controlling the invasion of aflatoxins. Phytochemicals are some of the commonly used molecules endowed with potential therapeutic effects to ameliorate aflatoxin, by inhibiting the production of reactive oxygen species and enhancing intracellular antioxidant enzymes. Experimental models involving cell cultures and broiler chickens exposed to aflatoxin or contaminated diet have been used to investigate the ameliorative effects of phytochemicals against aflatoxin toxicity. Electronic databases such as PubMed, Science Direct, and Google Scholar were used to identify relevant data sources. The retrieved information reported on the link between aflatoxin B1-included cytotoxicity and the ameliorative potential/role of phytochemicals in chickens. Importantly, retrieved data showed that phytochemicals may potentially protect against aflatoxin B1-induced cytotoxicity by ameliorating oxidative stress and enhancing intracellular antioxidants. Preclinical data indicate that activation of nuclear factor erythroid 2-related factor 2 (Nrf2), together with its downstream antioxidant genes, may be a potential therapeutic mechanism by which phytochemicals neutralize oxidative stress. This highlights the need for more research to determine whether phytochemicals can be considered a useful therapeutic intervention in controlling mycotoxins to improve broiler health and productivity.
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Affiliation(s)
- Martha Cebile Jobe
- Department of Animal Science, Mahikeng Campus, North-West University, Mmabatho 2735, South Africa
- Food Security and Safety Focus Area, Mahikeng Campus, North-West University, Mmabatho 2735, South Africa
| | - Doctor M N Mthiyane
- Department of Animal Science, Mahikeng Campus, North-West University, Mmabatho 2735, South Africa
- Food Security and Safety Focus Area, Mahikeng Campus, North-West University, Mmabatho 2735, South Africa
| | - Phiwayinkosi V Dludla
- Cochrane South Africa, South African Medical Research Council, Tygerberg 7505, South Africa
- Department of Biochemistry and Microbiology, University of Zululand, KwaDlangezwa 3886, South Africa
| | | | - Damian C Onwudiwe
- Department of Chemistry, Mahikeng Campus, North-West University, Mmabatho 2735, South Africa
| | - Mulunda Mwanza
- Food Security and Safety Focus Area, Mahikeng Campus, North-West University, Mmabatho 2735, South Africa
- Department of Animal Health, Mahikeng Campus, North-West University, Mmabatho 2735, South Africa
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5
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Wang L, Cao H, Jiang H, Fang Y, Jiang D. A novel 3D bio-printing “liver lobule” microtissue biosensor for the detection of AFB1. Food Res Int 2023; 168:112778. [PMID: 37120227 DOI: 10.1016/j.foodres.2023.112778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 02/14/2023] [Accepted: 03/26/2023] [Indexed: 04/03/2023]
Abstract
In this paper, a novel "liver lobule" microtissue biosensor based on 3D bio-printing is developed to rapidly determine aflatoxin B1 (AFB1). Methylacylated Hyaluronic acid (HAMA) hydrogel, HepG2 cells, and carbon nanotubes are used to construct "liver lobule" models. In addition, 3D bio-printing is used to perform high-throughput and standardized preparation in order to simulate the organ morphology and induce functional formation. Afterwards, based on the electrochemical rapid detection technology, a 3D bio-printed "liver lobule" microtissue is immobilized on the screen-printed electrode, and the mycotoxin is detected by differential pulse voltammetry (DPV). The DPV response increases with the concentration of AFB1 in the range of 0.1-3.5 μg/mL. The linear detection range is 0.1-1.5 μg/mL and the calculated lowest detection limit is 0.039 μg/mL. Thus, this study develops a new mycotoxin detection method based on the 3D printing technology, which has high stability and reproducibility. It has wide application prospects in the field of detection and evaluation of food hazards.
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Affiliation(s)
- Lifeng Wang
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, Jiangsu 210023, PR China
| | - Hanwen Cao
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, Jiangsu 210023, PR China
| | - Hui Jiang
- Key Laboratory of Detection and Traceability Technology of Foodborne Pathogenic Bacteria for Jiangsu Province Market Regulation, Nanjing Institute for Food and Drug Control, Nanjing, Jiangsu 210038, PR China
| | - Yan Fang
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, Jiangsu 210023, PR China
| | - Donglei Jiang
- College of Food Science and Engineering, Collaborative Innovation Center for Modern Grain Circulation and Safety, Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing, Jiangsu 210023, PR China.
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Girón-Pérez MI, Mary VS, Rubinstein HR, Toledo-Ibarra GA, Theumer MG. Diazinon toxicity in hepatic and spleen mononuclear cells is associated to early induction of oxidative stress. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2022; 32:2309-2323. [PMID: 34404283 DOI: 10.1080/09603123.2021.1962814] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 07/27/2021] [Indexed: 06/13/2023]
Abstract
Diazinon is an organophosphorus pesticide, which may have potential toxic effects on the liver and immune system; however, the underlying mechanisms remain mostly unidentified. This work is aimed at evaluating the oxidative stress and cell cycle alterations elicited by low-dose diazinon in a rat liver cell line (BRL-3A) and spleen mononuclear cells (SMC) from Wistar rats. Diazinon (10-50 μM) caused early reactive oxygen species (ROS) generation (from 4 h) as well as increased O2•- level (from 0.5 h), which led to subsequent lipid peroxidation at 24 h, in BRL-3A cells. In SMC, diazinon (20 μM) produced similar increases in ROS levels, at 4 and 24 h, with the highest O2•- level being found at 4 h. Low-dose diazinon induced G1-phase arrest and cell death in hepatic cells and SMC. Therefore, diazinon could affect the liver and the immunological system through the premature oxidative stress induction.Abbreviations: O2•-: superoxide anion radical; ROS: reactive oxygen species; SMC: spleen mononuclear cells; TBARS: thiobarbituric acid reactive substances.
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Affiliation(s)
- Manuel Iván Girón-Pérez
- Universidad Autónoma de Nayarit,Secretaría de Investigación Y Posgrado, Laboratorio de Inmunotoxicología, Boulevard Tepic-Xalisco S/n, Cd de La Cultura Amado Nervo, C.P, Tepic, Nayarit, Mexico
| | - Verónica S Mary
- Departamento De Bioquímica Clínica, Facultad De Ciencias Químicas, Universidad Nacional De Córdoba (UNC), Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Centro de Investigaciones En Bioquímica Clínica E Inmunología (CIBICI), Córdoba, Argentina
| | - Héctor R Rubinstein
- Departamento De Bioquímica Clínica, Facultad De Ciencias Químicas, Universidad Nacional De Córdoba (UNC), Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Centro de Investigaciones En Bioquímica Clínica E Inmunología (CIBICI), Córdoba, Argentina
| | - Gladys A Toledo-Ibarra
- Universidad Autónoma de Nayarit,Secretaría de Investigación Y Posgrado, Laboratorio de Inmunotoxicología, Boulevard Tepic-Xalisco S/n, Cd de La Cultura Amado Nervo, C.P, Tepic, Nayarit, Mexico
| | - Martín G Theumer
- Departamento De Bioquímica Clínica, Facultad De Ciencias Químicas, Universidad Nacional De Córdoba (UNC), Córdoba, Argentina
- Consejo Nacional de Investigaciones Científicas Y Técnicas (CONICET), Centro de Investigaciones En Bioquímica Clínica E Inmunología (CIBICI), Córdoba, Argentina
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Investigation of the Genotoxic Potential of the Marine Toxin C17-SAMT Using the In Vivo Comet and Micronucleus Assays. Mar Drugs 2022; 20:md20100619. [PMID: 36286443 PMCID: PMC9604968 DOI: 10.3390/md20100619] [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: 09/08/2022] [Revised: 09/26/2022] [Accepted: 09/27/2022] [Indexed: 11/04/2022] Open
Abstract
The contaminant responsible for the atypical toxicity reported in mussels from Bizerte Lagoon (Northern Tunisia) during the last decade has been characterized as C17-sphinganine analog mycotoxin (C17-SAMT). This neurotoxin showed common mouse toxic symptoms, including flaccid paralysis and severe dyspnea, followed by rapid death. For hazard assessment on human health, in this work we aimed to evaluate the in vivo genotoxic effects of this marine biotoxin using the classical alkaline and modified Fpg comet assays performed to detect DNA breaks and alkali-labile sites as well as oxidized bases. The micronucleus assay was used on bone marrow to detect chromosome and genome damage. C17-SAMT induces a statistically insignificant increase in DNA tail intensity at all doses in the duodenum, and in the spleen contrary to the liver, the percentage of tail DNA increased significantly at the mid dose of 300 µg/kg b.w/d. C17-SAMT did not affect the number of micronuclei in the bone marrow. Microscopic observations of the liver showed an increase in the number of mitosis and hepatocytes' cytoplasm clarification. At this level of study, we confirm that C17-SAMT induced DNA damage in the liver but there was no evidence of effects causing DNA oxidation or chromosome and genome damage.
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A El-Sadawy A, M G Zedan A, Gamal El-Dein HM. Hepatoprotective Role of Clay and Nano Clay for Alleviating Aflatoxin Toxicity in Male Rats. Pak J Biol Sci 2021; 24:1091-1102. [PMID: 34842380 DOI: 10.3923/pjbs.2021.1091.1102] [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] [Indexed: 11/15/2022]
Abstract
<b>Background and Objective:</b> Aflatoxin formed by <i>Aspergillus</i> sp. causes acute hepatotoxicity by DNA damage, gene expression disruption and induced liver carcinoma in humans and laboratory animals. The objectives of this research were to evaluate the protective role of both clay and nano clay as adsorbents to inhibit the side effect of Aflatoxin (AF) by measures the common biological assay of aflatoxicosis in rats along with hepatic gene expression and comet assay. <b>Materials and Methods:</b> Six weeks old male albino rats were distributed into 6 groups with 10 rats per group fed on, Group 1: Basal diet, Group 2: Basal diet with clay (5 g kg<sup></sup><sup>1</sup> diet), Group 3: Basal diet with nano clay (5 g kg<sup></sup><sup>1</sup> diet), Group 4: AF-contaminated diet (1 mg kg<sup></sup><sup>1</sup> diet), Group 5: AF with clay, Group 6: AF with nano clay. <b>Results:</b> AF induced a noticeable increase in the liver function parameters, accompanied by a significant decrease in antioxidant enzyme activities and significant histological alterations in liver tissues. The obtained qPCR results showed a significant up regulation in the expression of Cyp3A6, HO-1, TNFα and NFKB genes in the liver of rats treated with aflatoxin. In contrast, there is a significant down regulation in the expression levels of the Glut2 gene in liver rats treated with aflatoxin. Also, aflatoxin induced a significant increase in DNA damage. Clay and nano clay succeeded in ameliorating the toxic effects of aflatoxin. <b>Conclusion:</b> The results indicated the effective role of clay and nano clay in alleviating aflatoxin and reduce its harmful effects.
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Yu C, Liu X, Zhang X, Zhang M, Gu Y, Ali Q, Mohamed MSR, Xu J, Shi J, Gao X, Wu H, Gu Q. Mycosubtilin Produced by Bacillus subtilis ATCC6633 Inhibits Growth and Mycotoxin Biosynthesis of Fusarium graminearum and Fusarium verticillioides. Toxins (Basel) 2021; 13:791. [PMID: 34822575 PMCID: PMC8620035 DOI: 10.3390/toxins13110791] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/18/2021] [Accepted: 11/01/2021] [Indexed: 11/17/2022] Open
Abstract
Fusarium graminearum and Fusarium verticillioides are fungal pathogens that cause diseases in cereal crops, such as Fusarium head blight (FHB), seedling blight, and stalk rot. They also produce a variety of mycotoxins that reduce crop yields and threaten human and animal health. Several strategies for controlling these diseases have been developed. However, due to a lack of resistant cultivars and the hazards of chemical fungicides, efforts are now focused on the biocontrol of plant diseases, which is a more sustainable and environmentally friendly approach. In the present study, the lipopeptide mycosubtilin purified from Bacillus subtilis ATCC6633 significantly suppressed the growth of F. graminearum PH-1 and F. verticillioides 7600 in vitro. Mycosubtilin caused the destruction and deformation of plasma membranes and cell walls in F. graminearum hyphae. Additionally, mycosubtilin inhibited conidial spore formation and germination of both fungi in a dose-dependent manner. In planta experiments demonstrated the ability of mycosubtilin to control the adverse effects caused by F. graminearum and F. verticillioides on wheat heads and maize kernels, respectively. Mycosubtilin significantly decreased the production of deoxynivalenol (DON) and B-series fumonisins (FB1, FB2 and FB3) in infected grains, with inhibition rates of 48.92, 48.48, 52.42, and 59.44%, respectively. The qRT-PCR analysis showed that mycosubtilin significantly downregulated genes involved in mycotoxin biosynthesis. In conclusion, mycosubtilin produced by B. subtilis ATCC6633 was shown to have potential as a biological agent to control plant diseases and Fusarium toxin contamination caused by F. graminearum and F. verticillioides.
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Affiliation(s)
- Chenjie Yu
- Key Laboratory of Integrated Management of Crop Diseases and Pests, Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China; (C.Y.); (X.Z.); (M.Z.); (Y.G.); (Q.A.); (X.G.); (H.W.)
| | - Xin Liu
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Science, Nanjing 210014, China; (X.L.); (J.X.); (J.S.)
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xinyue Zhang
- Key Laboratory of Integrated Management of Crop Diseases and Pests, Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China; (C.Y.); (X.Z.); (M.Z.); (Y.G.); (Q.A.); (X.G.); (H.W.)
| | - Mengxuan Zhang
- Key Laboratory of Integrated Management of Crop Diseases and Pests, Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China; (C.Y.); (X.Z.); (M.Z.); (Y.G.); (Q.A.); (X.G.); (H.W.)
| | - Yiying Gu
- Key Laboratory of Integrated Management of Crop Diseases and Pests, Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China; (C.Y.); (X.Z.); (M.Z.); (Y.G.); (Q.A.); (X.G.); (H.W.)
| | - Qurban Ali
- Key Laboratory of Integrated Management of Crop Diseases and Pests, Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China; (C.Y.); (X.Z.); (M.Z.); (Y.G.); (Q.A.); (X.G.); (H.W.)
| | - M. Sherif Ramzy Mohamed
- Department of Food Toxicology and Contaminant, National Research Centre of Egypt, Giza 12411, Egypt;
| | - Jianhong Xu
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Science, Nanjing 210014, China; (X.L.); (J.X.); (J.S.)
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jianrong Shi
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Science, Nanjing 210014, China; (X.L.); (J.X.); (J.S.)
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xuewen Gao
- Key Laboratory of Integrated Management of Crop Diseases and Pests, Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China; (C.Y.); (X.Z.); (M.Z.); (Y.G.); (Q.A.); (X.G.); (H.W.)
| | - Huijun Wu
- Key Laboratory of Integrated Management of Crop Diseases and Pests, Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China; (C.Y.); (X.Z.); (M.Z.); (Y.G.); (Q.A.); (X.G.); (H.W.)
| | - Qin Gu
- Key Laboratory of Integrated Management of Crop Diseases and Pests, Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China; (C.Y.); (X.Z.); (M.Z.); (Y.G.); (Q.A.); (X.G.); (H.W.)
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10
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Kumari A, Singh K. Evaluation of prophylactic efficacy of cinnamaldehyde in murine model against Paradendryphiella arenariae mycotoxin tenuazonic acid-induced oxidative stress and organ toxicity. Sci Rep 2021; 11:19420. [PMID: 34593834 PMCID: PMC8484465 DOI: 10.1038/s41598-021-98319-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 08/30/2021] [Indexed: 11/09/2022] Open
Abstract
Cinnamaldehyde (Cin) is a natural product obtained from cinnamon and is reported to have a potential anti-fungal, anti-oxidant, anti-inflammatory and anticancer effect. The present study investigated the possible protective role of Cin against tenuazonic acid-induced mycotoxicity in the murine model. Tenuazonic acid (TeA), a toxin produced by Alternaria is a common contaminant in tomato and tomato-based products. Here, Swiss male mice were administered with TeA isolated from Paradendryphiella arenariae (MW504999) (source-tomato) through injection (238 µg/kg BW) and ingestion (475 µg/kg BW) routes for 2 weeks. Thereafter, the prophylaxis groups were treated with Cin (210 mg/kg BW). The experiment was carried out for 8 weeks. The treated groups were compared to the oral and intra-peritoneal experimental groups that received the toxin solely for 8 weeks. Haematological, histopathological and biochemical aspects of the experimental and the control mice were analysed. Sub-chronic intoxication of mice with TeA showed elevated malondialdehyde (MDA), reduced catalase (CAT) and superoxide dismutase (SOD) production; abnormal levels of aspartate transaminase (AST) and alanine transaminase (ALT). Treatment with Cin reversed TeA-induced alterations of antioxidant defense enzyme activities and significantly prevented TeA-induced organ damage. Thus, cinnamaldehyde showed therapeutic effects and toxicity reduction in TeA induced mycotoxicosis.
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Affiliation(s)
- Ankita Kumari
- Animal Mycology Laboratory, Department of Zoology, Mahila Mahavidyalaya, Banaras Hindu University, Varanasi, 221005, India
| | - Karuna Singh
- Animal Mycology Laboratory, Department of Zoology, Mahila Mahavidyalaya, Banaras Hindu University, Varanasi, 221005, India.
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Gündüz A, Yalçın E, Çavuşoğlu K. Combined toxic effects of aflatoxin B 2 and the protective role of resveratrol in Swiss albino mice. Sci Rep 2021; 11:18081. [PMID: 34508115 PMCID: PMC8433416 DOI: 10.1038/s41598-021-95879-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 07/21/2021] [Indexed: 02/08/2023] Open
Abstract
In this study, the toxic effects of aflatoxin B2 (AFB2) on Swiss albino mice and the protective effects of resveratrol were investigated. Physiological (body weight, liver and kidney weight), biochemical (aspartate aminotransferase-AST, alanine transaminase-ALT, blood urea nitrogen-BUN, creatinine, malondialdehyde-MDA and glutathione-GSH) and cytogenetic parameters (micronucleus-MN in buccal epithelium, erythrocyte and leukocyte cells and chromosomal aberrations-CAs) were used to determine the toxic effects. Additionally, scavenging effects of resveratrol against superoxide, hydrogen peroxide (H2O2) and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals were also investigated. In experimental period, mice were divided into six groups and the groups were treated with tap water, 10 mg/kg b.w resveratrol, 20 mg/kg b.w resveratrol, 20 µg/kg b.w. AFB2, 10 mg/kg b.w resveratrol + 20 µg/kg b.w AFB2, 20 mg/kg b.w resveratrol + 20 µg/kg b.w AFB2, respectively. As a result, the scavenging effects of resveratrol increased with increasing dose and the superoxide, H2O2 and DPPH radical scavenging activity of resveratrol were 74.9%, 79.1% and 49.2%, respectively. AFB2 administration caused a significant decrease in physiological parameters, and these decreases regressed in AFB2 + resveratrol treated groups. Serum ALT and AST activities, BUN and creatinine levels were higher in the AFB2 treated group compared to the control group and serious abnormalities were found in MDA and GSH levels in the kidney and liver. In the group treated with AFB2 + 20 mg/kg resveratrol, ALT, AST, BUN and creatinine levels decreased significantly and GSH levels increased compared to only-AFB2 treated group. AFB2 triggered MN formation in buccal epithelium, erythrocyte and leukocyte cells and CAs in bone marrow cells. The application of 20 mg/kg resveratrol together with AFB2 was decreased the MN and CAs frequency. Resveratrol exhibited a recovery effect in the range of 40.9-80.5% against AFB2 toxicity in all tested parameters. In this study, it was determined that AFB2 caused serious changes in selected physiological, biochemical and cytogenetic parameters while resveratrol displayed a protective role against these toxic effects.
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Affiliation(s)
- Alperen Gündüz
- grid.411709.a0000 0004 0399 3319Department of Biology, Faculty of Science and Art, Giresun University, 28200 Giresun, Turkey
| | - Emine Yalçın
- grid.411709.a0000 0004 0399 3319Department of Biology, Faculty of Science and Art, Giresun University, 28200 Giresun, Turkey
| | - Kültiğin Çavuşoğlu
- grid.411709.a0000 0004 0399 3319Department of Biology, Faculty of Science and Art, Giresun University, 28200 Giresun, Turkey
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Shahba S, Mehrzad J, Malvandi AM. Neuroimmune disruptions from naturally occurring levels of mycotoxins. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:10.1007/s11356-021-14146-4. [PMID: 33932215 DOI: 10.1007/s11356-021-14146-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 04/22/2021] [Indexed: 06/12/2023]
Abstract
Substantial pieces of evidence support the potential of exogenous toxins in disrupting neuroimmune homeostasis. It appears that mycotoxins are one of the noticeable sources of naturally occurring substances dysregulating the immune system, which involves the physiology of many organs, such as the central nervous system (CNS). The induction of inflammatory responses in microglial cells and astrocytes, the CNS resident cells with immunological characteristics, could interrupt the hemostasis upon even with low-level exposure to mycotoxins. The inevitable widespread occurrence of a low level of mycotoxins in foods and feed is likely increasing worldwide, predisposing individuals to potential neuroimmunological dysregulations. This paper reviews the current understanding of mycotoxins' neuro-immunotoxic features under low-dose exposure and the possible ways for detoxification and clearance as a perspective.
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Affiliation(s)
- Sara Shahba
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Jalil Mehrzad
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran.
| | - Amir Mohammad Malvandi
- Science and Technology Pole, IRCCS Multimedica, Via Gaudenzio Fantoli, 16/15, 20138, Milan, Italy.
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Non-cytotoxic dosage of fumonisin B1 aggravates ochratoxin A-induced nephrocytotoxicity and apoptosis via ROS-dependent JNK/MAPK signaling pathway. Toxicology 2021; 457:152802. [PMID: 33905761 DOI: 10.1016/j.tox.2021.152802] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 04/03/2021] [Accepted: 04/22/2021] [Indexed: 01/04/2023]
Abstract
Ochratoxin A (OTA) and fumonisin B1 (FB1), two of the most toxicologically important mycotoxins, often coexist in a variety of foodstuff and feed in humans and animals. Because of the low content of FB1 in foodstuff and feed, alone harmfulness of FB1 is often ignored. However, it is unknown whether the lower dosage of FB1 aggravates the toxicity of other mycotoxins. In this article, we aimed to investigate the effects of the lower dosage of FB1 on OTA-induced nephrotoxicity and apoptosis, and its underlying mechanism in porcine kidney cells (PK-15). Our current study showed that the non-cytotoxic concentration of FB1 (8 μM) could enhance OTA(5 μM)-induced nephrocytotoxicity and the expression of pro-apoptosis-associated genes in PK-15 cells. We also observed that the production of reactive oxygen species (ROS) was increased. However, the expression of pro-apoptosis-associated genes were down-regulated when the N-acetylcysteine (NAC), a ROS scavenger, was used in our experiment. Besides, we found that the combined toxins could increase the protein expression of p-JNK instead of p-p38 and p-ERK. Pretreatment with SP600125, a JNK inhibitor, could significantly block the promotion effects of FB1 on OTA-induced nephrocytotoxicity and apoptosis. The protein expression of p-JNK was also inhibited and the promotion effects of FB1 were significantly alleviated when NAC was used. In conclusion, the non-cytotoxic dosage of FB1 could aggravate the nephrocytotoxicity and apoptosis caused by OTA via ROS-dependent JNK/MAPK signaling pathway.
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Arumugam T, Ghazi T, Chuturgoon AA. Molecular and epigenetic modes of Fumonisin B 1 mediated toxicity and carcinogenesis and detoxification strategies. Crit Rev Toxicol 2021; 51:76-94. [PMID: 33605189 DOI: 10.1080/10408444.2021.1881040] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Fumonisin B1 (FB1) is a natural contaminant of agricultural commodities that has displayed a myriad of toxicities in animals. Moreover, it is known to be a hepatorenal carcinogen in rodents and may be associated with oesophageal and hepatocellular carcinomas in humans. The most well elucidated mode of FB1-mediated toxicity is its disruption of sphingolipid metabolism; however, enhanced oxidative stress, endoplasmic reticulum stress, autophagy, and alterations in immune response may also play a role in its toxicity and carcinogenicity. Alterations to the host epigenome may impact on the toxic and carcinogenic response to FB1. Seeing that the contamination of FB1 in food poses a considerable risk to human and animal health, a great deal of research has focused on new methods to prevent and attenuate FB1-induced toxic consequences. The focus of the present review is on the molecular and epigenetic interactions of FB1 as well as recent research involving FB1 detoxification.
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Affiliation(s)
- Thilona Arumugam
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Terisha Ghazi
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Anil A Chuturgoon
- Discipline of Medical Biochemistry, School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa
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Kozieł MJ, Kowalska K, Piastowska-Ciesielska AW. Nrf2: a main responsive element in cells to mycotoxin-induced toxicity. Arch Toxicol 2021; 95:1521-1533. [PMID: 33554281 PMCID: PMC8113212 DOI: 10.1007/s00204-021-02995-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/28/2021] [Indexed: 12/11/2022]
Abstract
Nuclear factor erythroid 2-like 2 (Nrf2) is a transcription factor participating in response to cellular oxidative stress to maintain the redox balance. Generation of reactive oxygen species (ROS) and, in consequence, oxidative stress, are physiological as well as pathological processes which take place in almost all types of cells. Nrf2, in response to oxidative stress, activates expression and production of antioxidant enzymes to remove free radicals. However, the role of Nrf2 seems to be more sophisticated and its increased expression observed in cancer cells allows to draw a conclusion that its role is tissue—and condition—dependent. Interestingly, Nrf2 might also play a crucial role in response to environmental factors like mycotoxins. Thus, the aim of the study is to review the role of Nrf2 in cells exposed to most common mycotoxins to check if the Nrf2 signaling pathway serves as the main response element to mycotoxin-induced oxidative stress in human and animal cells and if it can be a target of detoxifying agents.
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Affiliation(s)
- Marta Justyna Kozieł
- Medical University of Lodz, Department of Cell Cultures and Genomic Analysis, Zeligowskiego 7/9, 90-752, Lodz, Poland
| | - Karolina Kowalska
- Medical University of Lodz, Department of Cell Cultures and Genomic Analysis, Zeligowskiego 7/9, 90-752, Lodz, Poland
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Wangia-Dixon RN, Nishimwe K. Molecular toxicology and carcinogenesis of fumonisins: a review. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, TOXICOLOGY AND CARCINOGENESIS 2021; 39:44-67. [PMID: 33554724 DOI: 10.1080/26896583.2020.1867449] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Fumonisins, discovered in 1988 are a group of naturally occurring toxins produced by fusarium pathogenic fungi. Besides their presence in animal feeds, contamination of human foods such as corn, millet, oats, rye, barley, wheat and their products are widespread. Exposure to fumonisins results in species and organ specific toxicities including neurological disorders among equids, pulmonary edema in swine, esophageal cancer in humans and both kidney and liver related toxicities in rodents. This review seeks to consolidate groundbreaking research on the science of fumonisins toxicity, highlight recent progress on fumonisins research, and provide an overview of plausible mechanistic biomarkers for fumonisins exposure assessment.
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Affiliation(s)
- Ruth Nabwire Wangia-Dixon
- Department of Environmental Health Science, University of Georgia, Athens, Georgia, USA
- KAVI Institute of Clinical Research, University of Nairobi, Nairobi, Kenya
| | - Kizito Nishimwe
- Department of Food Science and Human Nutrition, Iowa State University, Ames, Iowa, USA
- School of Agriculture and Food Science, University of Rwanda, Kigali, Rwanda
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Huang Q, Jiang K, Tang Z, Fan K, Meng J, Nie D, Zhao Z, Wu Y, Han Z. Exposure Assessment of Multiple Mycotoxins and Cumulative Health Risk Assessment: A Biomonitoring-Based Study in the Yangtze River Delta, China. Toxins (Basel) 2021; 13:103. [PMID: 33535530 PMCID: PMC7912756 DOI: 10.3390/toxins13020103] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 01/26/2021] [Accepted: 01/27/2021] [Indexed: 01/02/2023] Open
Abstract
The extensive exposure to multiple mycotoxins has been demonstrated in many countries; however, realistic assessments of the risks related to cumulative exposure are limited. This biomonitoring study was conducted to investigate exposure to 23 mycotoxins/metabolites and their determinants in 227 adults (aged 20-88 years) in the Yangtze River Delta, China. Eight mycotoxins were detected in 110 urine samples, and multiple mycotoxins co-occurred in 51/227 (22.47%) of urine samples, with deoxynivalenol (DON), fumonisin B1 (FB1), and zearalenone (ZEN) being the most frequently occurring. For single mycotoxin risk assessment, FB1, ZEN, aflatoxin B1 (AFB1), and ochratoxin A (OTA) all showed potential adverse effects. However, for the 12 samples containing DON and ZEN, in which none had a hazard risk, the combination of both mycotoxins in two samples was considered to pose potential endocrine disrupting risks to humans by hazard index (HI) method. The combined margin of exposure (MOET) for AFB1 and FB1 could constitute a potential health concern, and AFB1 was the main contributor. Our approach provides a blueprint for evaluating the cumulative risks related to different types of mycotoxins and opens a new horizon for the accurate interpretation of epidemiological health outcomes related to multi-mycotoxin exposure.
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Affiliation(s)
- Qingwen Huang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; (Q.H.); (K.J.)
- Institute for Agro-Food Standards and Testing Technology, Shanghai Key Laboratory of Protected Horticultural Technology, Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (Z.T.); (K.F.); (J.M.); (D.N.); (Z.Z.)
| | - Keqiu Jiang
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; (Q.H.); (K.J.)
| | - Zhanmin Tang
- Institute for Agro-Food Standards and Testing Technology, Shanghai Key Laboratory of Protected Horticultural Technology, Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (Z.T.); (K.F.); (J.M.); (D.N.); (Z.Z.)
| | - Kai Fan
- Institute for Agro-Food Standards and Testing Technology, Shanghai Key Laboratory of Protected Horticultural Technology, Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (Z.T.); (K.F.); (J.M.); (D.N.); (Z.Z.)
| | - Jiajia Meng
- Institute for Agro-Food Standards and Testing Technology, Shanghai Key Laboratory of Protected Horticultural Technology, Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (Z.T.); (K.F.); (J.M.); (D.N.); (Z.Z.)
| | - Dongxia Nie
- Institute for Agro-Food Standards and Testing Technology, Shanghai Key Laboratory of Protected Horticultural Technology, Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (Z.T.); (K.F.); (J.M.); (D.N.); (Z.Z.)
| | - Zhihui Zhao
- Institute for Agro-Food Standards and Testing Technology, Shanghai Key Laboratory of Protected Horticultural Technology, Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (Z.T.); (K.F.); (J.M.); (D.N.); (Z.Z.)
| | - Yongjiang Wu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; (Q.H.); (K.J.)
| | - Zheng Han
- Institute for Agro-Food Standards and Testing Technology, Shanghai Key Laboratory of Protected Horticultural Technology, Laboratory of Quality and Safety Risk Assessment for Agro-Products (Shanghai), Ministry of Agriculture, Shanghai Academy of Agricultural Sciences, Shanghai 201403, China; (Z.T.); (K.F.); (J.M.); (D.N.); (Z.Z.)
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Jacquat AG, Theumer MG, Cañizares MC, Debat HJ, Iglesias J, García Pedrajas MD, Dambolena JS. A Survey of Mycoviral Infection in Fusarium spp. Isolated from Maize and Sorghum in Argentina Identifies the First Mycovirus from Fusarium verticillioides. Viruses 2020; 12:v12101161. [PMID: 33066620 PMCID: PMC7602464 DOI: 10.3390/v12101161] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/28/2020] [Accepted: 10/09/2020] [Indexed: 12/30/2022] Open
Abstract
Mycoviruses appear to be widespread in Fusarium species worldwide. The aim of this work was to identify mycoviral infections in Fusarium spp., isolated from maize and sorghum grown in Argentina, and to estimate their potential effects on the pathogenicity and toxigenesis of the host fungus towards maize. Mycoviruses were identified in 2 out of 105 isolates analyzed; Fusarium verticillioides strain Sec505 and Fusarium andiyazi strain 162. They were characterized as members of the genus Mitovirus by high-throughput sequencing and sequence analysis. The F. verticillioides mitovirus was a novel mycovirus whereas the F. andiyazi mitovirus was found to be a new strain of a previously identified mitovirus. We have named these mitoviruses, Fusarium verticillioides mitovirus 1 (FvMV1) and Fusarium andiyazi mitovirus 1 strain 162 (FaMV1-162). To our knowledge, FvMV1 is the first mycovirus reported as naturally infecting F. verticillioides, the major causal agent of ear rot and fumonisin producer in corn. Both mitoviruses exhibited 100% vertical transmission rate to microconidia. The Fa162 strain infected with FaMV1-162 did not show phenotypic alterations. In contract, F. verticillioides Sec505 infected with FvMV1 showed increased virulence as well as microconidia and fumonisin-B1 production, compared with two uninfected strains. These results suggest that FvMV1 could have a role in modulating F. verticillioides pathogenicity and toxin production worth further exploring.
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Affiliation(s)
- Andrés Gustavo Jacquat
- Facultad de Ciencias Exactas Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Córdoba 5000, Argentina;
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Avenida Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
| | - Martín Gustavo Theumer
- Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas (FCQ), Universidad Nacional de Córdoba (UNC), Córdoba 5000, Argentina;
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Haya de la Torre y Medina Allende—Ciudad Universitaria, Córdoba X5000HUA, Argentina
| | - María Carmen Cañizares
- Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, Universidad de Málaga, Consejo Superior de Investigaciones Científicas (IHSM—UMA—CSIC), Estación Experimental “La Mayora”, Avenida Dr. Wienberg s/n, 29750 Algarrobo-Costa, Málaga, Spain;
| | - Humberto Julio Debat
- Instituto de Patología Vegetal, Centro de Investigaciones Agropecuarias, Instituto Nacional de Tecnología Agropecuaria (IPAVE—CIAP—INTA), Camino 60 Cuadras Km 5.5, Córdoba X5020ICA, Argentina;
| | - Juliana Iglesias
- Estación Experimental Pergamino, (EEA) INTA Pergamino, Universidad Nacional Noroeste (UNNOBA), Pergamino (Buenos Aires) B2700, Argentina;
| | - María Dolores García Pedrajas
- Instituto de Hortofruticultura Subtropical y Mediterránea “La Mayora”, Universidad de Málaga, Consejo Superior de Investigaciones Científicas (IHSM—UMA—CSIC), Estación Experimental “La Mayora”, Avenida Dr. Wienberg s/n, 29750 Algarrobo-Costa, Málaga, Spain;
- Correspondence: (M.D.G.P.); (J.S.D.)
| | - José Sebastián Dambolena
- Facultad de Ciencias Exactas Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba (UNC), Córdoba 5000, Argentina;
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Avenida Vélez Sarsfield 1611, Córdoba X5016GCA, Argentina
- Correspondence: (M.D.G.P.); (J.S.D.)
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Arumugam T, Ghazi T, Chuturgoon A. Fumonisin B 1 Epigenetically Regulates PTEN Expression and Modulates DNA Damage Checkpoint Regulation in HepG2 Liver Cells. Toxins (Basel) 2020; 12:toxins12100625. [PMID: 33007920 PMCID: PMC7601513 DOI: 10.3390/toxins12100625] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 08/19/2020] [Accepted: 08/27/2020] [Indexed: 12/13/2022] Open
Abstract
Fumonisin B1 (FB1), a Fusarium-produced mycotoxin, is found in various foods and feeds. It is a well-known liver carcinogen in experimental animals; however, its role in genotoxicity is controversial. The current study investigated FB1-triggered changes in the epigenetic regulation of PTEN and determined its effect on DNA damage checkpoint regulation in human liver hepatoma G2 (HepG2) cells. Following treatment with FB1 (IC50: 200 µM; 24 h), the expression of miR-30c, KDM5B, PTEN, H3K4me3, PI3K, AKT, p-ser473-AKT, CHK1, and p-ser280-CHK1 was measured using qPCR and/or Western blot. H3K4me3 enrichment at the PTEN promoter region was assayed via a ChIP assay and DNA damage was determined using an ELISA. FB1 induced oxidative DNA damage. Total KDM5B expression was reduced, which subsequently increased the total H3K4me3 and the enrichment of H3K4me3 at PTEN promoters. Increased H3K4me3 induced an increase in PTEN transcript levels. However, miR-30c inhibited PTEN translation. Thus, PI3K/AKT signaling was activated, inhibiting CHK1 activity via phosphorylation of its serine 280 residue preventing the repair of damaged DNA. In conclusion, FB1 epigenetically modulates the PTEN/PI3K/AKT signaling cascade, preventing DNA damage checkpoint regulation, and induces significant DNA damage.
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Usseglio VL, Dambolena JS, Martinez MJ, Zunino MP. The Role of Fumonisins in the Biological Interaction between Fusarium verticillioides and Sitophilus zeamais. J Chem Ecol 2020; 46:1059-1068. [PMID: 32946025 DOI: 10.1007/s10886-020-01220-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/24/2020] [Accepted: 09/15/2020] [Indexed: 01/10/2023]
Abstract
The aim of the current study was to investigate the entomopathogenic capacity of the mold Fusarium verticillioides and the effect of its mycotoxins fumonisins, on the grain beetle Sitophilus zeamais. We evaluated the capacity of this fungus to infect live insects, the antifungal activity of constituents of the insect's epicuticle, and the effect of a fumonisin extract on the fitness of the insects. We found that F. verticillioides could not penetrate the cuticle of S. zeamais and that the fumonisin extract had no negative effects on the fitness of the insects. However, the progeny of the insects increased, and the fumonisin extract had repellent effects. This is the first report about the effects of fumonisins on the relationship between F. verticillioides and S. zeamais, which may provide useful information about interactions between pathogenic microorganisms and insects, especially on stored product pests.
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Affiliation(s)
- V L Usseglio
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina.,Instituto de Ciencia y Tecnología de los Alimentos (ICTA-FCEFyN-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina
| | - J S Dambolena
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina. .,Instituto de Ciencia y Tecnología de los Alimentos (ICTA-FCEFyN-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina.
| | - M J Martinez
- Área Mejoramiento Genético Vegetal (EEA INTA Manfredi), Ruta N° 9 km 636, Manfredi, Córdoba, Argentina
| | - M P Zunino
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina.,Instituto de Ciencia y Tecnología de los Alimentos (ICTA-FCEFyN-UNC), Av. Vélez Sarsfield 1611, Ciudad Universitaria, Córdoba, Argentina
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Stanley J, Patras A, Pendyala B, Vergne MJ, Bansode RR. Performance of a UV-A LED system for degradation of aflatoxins B 1 and M 1 in pure water : kinetics and cytotoxicity study. Sci Rep 2020; 10:13473. [PMID: 32778713 PMCID: PMC7417570 DOI: 10.1038/s41598-020-70370-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 05/22/2020] [Indexed: 01/02/2023] Open
Abstract
The efficacy of a UV-A light emitting diode system (LED) to reduce the concentrations of aflatoxin B1, aflatoxin M1 (AFB1, AFM1) in pure water was studied. This work investigates and reveals the kinetics and main mechanism(s) responsible for the destruction of aflatoxins in pure water and assesses the cytotoxicity in liver hepatocellular cells. Irradiation experiments were conducted using an LED system operating at 365 nm (monochromatic wave-length). Known concentrations of aflatoxins were spiked in water and irradiated at UV-A doses ranging from 0 to 1,200 mJ/cm2. The concentration of AFB1 and AFM1 was determined by HPLC with fluorescence detection. LC–MS/MS product ion scans were used to identify and semi-quantify degraded products of AFB1 and AFM1. It was observed that UV-A irradiation significantly reduced aflatoxins in pure water. In comparison to control, at dose of 1,200 mJ/cm2 UV-A irradiation reduced AFB1 and AFM1 concentrations by 70 ± 0.27 and 84 ± 1.95%, respectively. We hypothesize that the formation of reactive species initiated by UV-A light may have caused photolysis of AFB1 and AFM1 molecules in water. In cell culture studies, our results demonstrated that the increase of UV-A dosage decreased the aflatoxins-induced cytotoxicity in HepG2 cells, and no significant aflatoxin-induced cytotoxicity was observed at UV-A dose of 1,200 mJ/cm2. Further results from this study will be used to compare aflatoxins detoxification kinetics and mechanisms involved in liquid foods such as milk and vegetable oils.
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Affiliation(s)
- Judy Stanley
- Food Biosciences and Technology Program, Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, Nashville, TN, 37209, USA
| | - Ankit Patras
- Food Biosciences and Technology Program, Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, Nashville, TN, 37209, USA.
| | - Brahmaiah Pendyala
- Food Biosciences and Technology Program, Department of Agricultural and Environmental Sciences, College of Agriculture, Tennessee State University, Nashville, TN, 37209, USA.
| | - Matthew J Vergne
- Department of Pharmaceutical Sciences, Department of Chemistry and Biochemistry, Lipscomb University, Nashville, TN, 37204, USA
| | - Rishipal R Bansode
- Center for Excellence in Post-Harvest Technologies, North Carolina Research Campus, North Carolina Agricultural and Technical State University, Kannapolis, 28081, NC, USA
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Lanier C, Garon D, Heutte N, Kientz V, André V. Comparative Toxigenicity and Associated Mutagenicity of Aspergillus fumigatus and Aspergillus flavus Group Isolates Collected from the Agricultural Environment. Toxins (Basel) 2020; 12:E458. [PMID: 32709162 PMCID: PMC7404940 DOI: 10.3390/toxins12070458] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/15/2020] [Accepted: 07/16/2020] [Indexed: 12/30/2022] Open
Abstract
The mutagenic patterns of A. flavus, A. parasiticus and A. fumigatus extracts were evaluated. These strains of toxigenic Aspergillus were collected from the agricultural environment. The Ames test was performed on Salmonella typhimurium strains TA98, TA100 and TA102, without and with S9mix (exogenous metabolic activation system). These data were compared with the mutagenicity of the corresponding pure mycotoxins tested alone or in reconstituted mixtures with equivalent concentrations, in order to investigate the potential interactions between these molecules and/or other natural metabolites. At least 3 mechanisms are involved in the mutagenic response of these aflatoxins: firstly, the formation of AFB1-8,9-epoxide upon addition of S9mix, secondly the likely formation of oxidative damage as indicated by significant responses in TA102, and thirdly, a direct mutagenicity observed for higher doses of some extracts or associated mycotoxins, which does not therefore involve exogenously activated intermediates. Besides the identified mycotoxins (AFB1, AFB2 and AFM1), additional "natural" compounds contribute to the global mutagenicity of the extracts. On the other hand, AFB2 and AFM1 modulate negatively the mutagenicity of AFB1 when mixed in binary or tertiary mixtures. Thus, the evaluation of the mutagenicity of "natural" mixtures is an integrated parameter that better reflects the potential impact of exposure to toxigenic Aspergilli.
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Affiliation(s)
- Caroline Lanier
- Faculty of Health, Normandie University, UNICAEN, Centre F. Baclesse, UR ABTE EA4651, 14000 Caen, France; (C.L.); (D.G.)
| | - David Garon
- Faculty of Health, Normandie University, UNICAEN, Centre F. Baclesse, UR ABTE EA4651, 14000 Caen, France; (C.L.); (D.G.)
| | - Natacha Heutte
- Faculty of Sports, Normandie University, UNIROUEN, CETAPS EA3832, 76821 Mont Saint Aignan CEDEX, France;
| | - Valérie Kientz
- Laboratoire LABEO, Route de Rosel, 14280 Saint-Contest, France;
| | - Véronique André
- Faculty of Health, Normandie University, UNICAEN, Centre F. Baclesse, UR ABTE EA4651, 14000 Caen, France; (C.L.); (D.G.)
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Sheik Abdul N, Marnewick JL. Fumonisin B 1 -induced mitochondrial toxicity and hepatoprotective potential of rooibos: An update. J Appl Toxicol 2020; 40:1602-1613. [PMID: 32667064 DOI: 10.1002/jat.4036] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/27/2020] [Accepted: 06/23/2020] [Indexed: 12/18/2022]
Abstract
Fumonisins are a family of potentially carcinogenic mycotoxins produced by Fusarium verticillioides. Several fumonisins have been identified with fumonisin B1 (FB1 ) being the most toxic. The canonical mechanism of FB1 toxicity is centered on its structural resemblance with sphinganine and consequent competitive inhibition of ceramide synthase and disruption of lipidomic profiles. Recent and emerging evidence at the molecular level has identified the disruption of mitochondria and excessive generation of toxic reactive oxygen species (ROS) as alternative/additional mechanisms of toxicity. The understanding of how these pathways contribute to FB1 toxicity can lead to the identification of novel, effective approaches to protecting vulnerable populations. Natural compounds with antioxidant properties seem to protect against the induced toxic effects of FB1 . Rooibos (Aspalathus linearis), endemic to South Africa, has traditionally been used as a medicinal herbal tea with strong scientific evidence supporting its anecdotal claims. The unique composition of phytochemicals and combination of metabolic activators, adaptogens and antioxidants make rooibos an attractive yet underappreciated intervention for FB1 toxicoses. In the search for a means to address FB1 toxicoses as a food safety problem in developing countries, phytomedicine and traditional knowledge systems must play an integral part. This review aims to summarize the growing body of evidence succinctly, which highlights mitochondrial dysfunction as a secondary toxic effect responsible for the FB1 -induced generation of ROS. We further propose the potential of rooibos to combat this induced toxicity based on its integrated bioactive properties, as a socio-economically viable strategy to prevent and/or repair cellular damage caused by FB1 .
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Affiliation(s)
- Naeem Sheik Abdul
- Applied Microbial and Health Biotechnology Institute, Cape Peninsula University of Technology, Bellville, South Africa
| | - Jeanine L Marnewick
- Applied Microbial and Health Biotechnology Institute, Cape Peninsula University of Technology, Bellville, South Africa
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24
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Abstract
Fungi produce mycotoxins in the presence of appropriate temperature, humidity, sufficient nutrients and if the density of the mushroom mass is favorable. Although all mycotoxins are of fungal origin, all toxic compounds produced by fungi are not called mycotoxins. The interest in mycotoxins first started in the 1960s, and today the interest in mycotoxin-induced diseases has increased. To date, 400 mycotoxins have been identified and the most important species producing mycotoxins belongs to Aspergillus, Penicillium, Alternaria and Fusarium genera. Mycotoxins are classified as hepatotoxins, nephrotoxins, neurotoxins, immunotoxins etc. In this review genotoxic and also other health effects of some major mycotoxin groups like Aflatoxins, Ochratoxins, Patulin, Fumonisins, Zearalenone, Trichothecenes and Ergot alkaloids were deeply analyzed.
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25
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Achimón F, Dambolena JS, Zygadlo JA, Pizzolitto RP. Carbon sources as factors affecting the secondary metabolism of the maize pathogen Fusarium verticillioides. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.108470] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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26
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Szabó A, Szabó-Fodor J, Kachlek M, Mézes M, Balogh K, Glávits R, Ali O, Zeebone YY, Kovács M. Dose and Exposure Time-Dependent Renal and Hepatic Effects of Intraperitoneally Administered Fumonisin B₁ in Rats. Toxins (Basel) 2018; 10:E465. [PMID: 30424021 PMCID: PMC6265755 DOI: 10.3390/toxins10110465] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/02/2018] [Accepted: 11/07/2018] [Indexed: 01/09/2023] Open
Abstract
Male Wistar rats were treated intraperitoneally (i.p.) with fumonisin B₁ (FB₁; 0, 20, 50 and 100 mg/kg dietary dose equivalent) for 5 and 10 days (n = 24⁻24 in each setting) to gain dose- and time-dependent effects on antioxidant status and oxidative stress response, clinical chemical endpoints and liver, kidney and lung histopathology and lymphocyte damage (genotoxicity). FB₁ decreased feed intake, body weight gain and absolute liver weight, irrespective of the toxin dose. Relative kidney weight increased in the 10-day setting. Linear dose response was found for plasma aspartate aminotransferase, alanine aminotransferase, total cholesterol, urea and creatinine, and exposure time-dependence for plasma creatinine level. The latter was coupled with renal histopathological findings, tubular degeneration and necrosis and the detachment of tubular epithelial cells. The pronounced antioxidant response (reduced glutathione accretion, increasing glutathione peroxidase activity) referred to renal cortical response (5⁻10 days exposure at 50⁻100 ppm FB₁). Hepatic alterations were moderate, referring to initial phase lipid peroxidation (exposure time dependent difference of conjugated diene and triene concentrations), and slight functional disturbance (↑ total cholesterol). Lymphocyte DNA damage was moderate, supporting a mild genotoxic effect of FB₁.
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Affiliation(s)
- András Szabó
- MTA-KE-SZIE Mycotoxins in the Food Chain Research Group, Kaposvár University, Guba S. u. 40., 7400 Kaposvár, Hungary.
- Faculty of Agricultural and Environmental Sciences, Kaposvár University, Guba S. 40., 7400 Kaposvár, Hungary.
- Somogy County Kaposi Mór Teaching Hospital, Dr. József Baka Diagnostical, Oncoradiological, Research and Educational Center, Guba S. u. 40., 7400 Kaposvár, Hungary.
| | - Judit Szabó-Fodor
- MTA-KE-SZIE Mycotoxins in the Food Chain Research Group, Kaposvár University, Guba S. u. 40., 7400 Kaposvár, Hungary.
| | - Mariam Kachlek
- Faculty of Agricultural and Environmental Sciences, Kaposvár University, Guba S. 40., 7400 Kaposvár, Hungary.
| | - Miklós Mézes
- MTA-KE-SZIE Mycotoxins in the Food Chain Research Group, Kaposvár University, Guba S. u. 40., 7400 Kaposvár, Hungary.
- Faculty of Agricultural and Environmental Sciences, Department of Nutrition, Szent István University, Páter K. u. 1., 2013 Gödöllő, Hungary.
| | - Krisztián Balogh
- MTA-KE-SZIE Mycotoxins in the Food Chain Research Group, Kaposvár University, Guba S. u. 40., 7400 Kaposvár, Hungary.
- Faculty of Agricultural and Environmental Sciences, Department of Nutrition, Szent István University, Páter K. u. 1., 2013 Gödöllő, Hungary.
| | | | - Omeralfaroug Ali
- Faculty of Agricultural and Environmental Sciences, Kaposvár University, Guba S. 40., 7400 Kaposvár, Hungary.
| | - Yarsmin Yunus Zeebone
- Faculty of Agricultural and Environmental Sciences, Kaposvár University, Guba S. 40., 7400 Kaposvár, Hungary.
| | - Melinda Kovács
- MTA-KE-SZIE Mycotoxins in the Food Chain Research Group, Kaposvár University, Guba S. u. 40., 7400 Kaposvár, Hungary.
- Faculty of Agricultural and Environmental Sciences, Kaposvár University, Guba S. 40., 7400 Kaposvár, Hungary.
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27
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MÜLLER LUCIELIK, PAIANO DIOVANI, BOTTARI NATHIELIB, SANTURIO JANIOM, ZAMPAR ALINE, SCHETINGER MARIAR, ZANETTE RÉGISA, MENDES RICARDOE, GLORIA EDUARDOM, BALDISSERA MATHEUSD, SILVA ALEKSANDROSDA. Spray-dried porcine plasma added to diets contaminated with aflatoxins and fumonisins shows beneficial effects to piglet health. ACTA ACUST UNITED AC 2018; 90:3115-3128. [DOI: 10.1590/0001-3765201820170794] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 02/05/2018] [Indexed: 12/12/2022]
Affiliation(s)
| | | | | | | | - ALINE ZAMPAR
- Universidade do Estado de Santa Catarina, Brazil
| | | | | | | | | | | | - ALEKSANDRO S. DA SILVA
- Universidade do Estado de Santa Catarina, Brazil; Universidade Federal de Santa Maria, Brazil
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28
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Braun MS, Wink M. Exposure, Occurrence, and Chemistry of Fumonisins and their Cryptic Derivatives. Compr Rev Food Sci Food Saf 2018; 17:769-791. [DOI: 10.1111/1541-4337.12334] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Revised: 11/20/2017] [Accepted: 12/18/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Markus Santhosh Braun
- Inst. of Pharmacy and Molecular Biotechnology; Heidelberg Univ.; INF 364 69120 Heidelberg Germany
| | - Michael Wink
- Inst. of Pharmacy and Molecular Biotechnology; Heidelberg Univ.; INF 364 69120 Heidelberg Germany
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29
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Hosseini A, Hosseinzadeh H. Antidotal or protective effects of Curcuma longa (turmeric) and its active ingredient, curcumin, against natural and chemical toxicities: A review. Biomed Pharmacother 2018; 99:411-421. [DOI: 10.1016/j.biopha.2018.01.072] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 01/11/2018] [Accepted: 01/11/2018] [Indexed: 12/19/2022] Open
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30
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Yuan S, Wu B, Yu Z, Fang J, Liang N, Zhou M, Huang C, Peng X. The mitochondrial and endoplasmic reticulum pathways involved in the apoptosis of bursa of Fabricius cells in broilers exposed to dietary aflatoxin B1. Oncotarget 2018; 7:65295-65306. [PMID: 27542244 PMCID: PMC5323156 DOI: 10.18632/oncotarget.11321] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Accepted: 07/28/2016] [Indexed: 12/21/2022] Open
Abstract
Aflatoxin B1 (AFB1), a toxic metabolite produced by some fungi, exerts well-known hepatocarcinogenic and immunosuppressive effects, the latter can increase the apoptotic immune cells in vitro. However, it is largely unknown that which signaling pathways contribute to excessive apoptosis of immune cells which induced by AFB1. In this study, we investigated the roles of the mitochondria, endoplasmic reticulum (ER) and death receptor activated apoptotic pathways in the bursal of Fabricius (BF) cells in the broilers exposed to AFB1 diet. We found that (1) AFB1 diet induced morphological changes in the BF. (2) FCM and TUNEL methods showed that excessive apoptosis could be resulted from AFB1 intake. (3) AFB1-induced apoptosis of bursal cells involved mitochondrial pathway (increase of Bax, Bak, cytC, caspase-9, Apaf-1, caspase-3 and decrease of Bcl-2 and Bcl-xL) and ER pathway (increase of Grp78/Bip, Grp94 and CaM). (4) Oxidative stress was confirmed in the BF of chicken fed on AFB1 diet. Overall, this work is the first to demonstrate that the activation of mitochondria and ER apoptosis pathways can lead to excessive apoptosis in BF cells, and oxidative stress is a crucial driver during AFB1 exposure.
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Affiliation(s)
- Shibin Yuan
- Department of Wild Animal Disease, College of Life Science, China West Normal University, Nanchong 637009, Sichuan, The People's Republic of China.,Key Laboratory of Southwest China Wildlife Resources Conservation (China West Normal University), Ministry of Education, Nanchong 637009, Sichuan, The People's Republic of China
| | - Bangyuan Wu
- Department of Wild Animal Disease, College of Life Science, China West Normal University, Nanchong 637009, Sichuan, The People's Republic of China.,Key Laboratory of Southwest China Wildlife Resources Conservation (China West Normal University), Ministry of Education, Nanchong 637009, Sichuan, The People's Republic of China
| | - Zhengqiang Yu
- Department of Animal Pathlogy, College of Veterinary Medicine, Sichuan Agricultural University, Ya'an 625014, Sichuan, The People's Republic of China
| | - Jing Fang
- Department of Animal Pathlogy, College of Veterinary Medicine, Sichuan Agricultural University, Ya'an 625014, Sichuan, The People's Republic of China
| | - Na Liang
- Department of Animal Pathlogy, College of Veterinary Medicine, Sichuan Agricultural University, Ya'an 625014, Sichuan, The People's Republic of China
| | - Mingqiang Zhou
- Department of Wild Animal Disease, College of Life Science, China West Normal University, Nanchong 637009, Sichuan, The People's Republic of China.,Key Laboratory of Southwest China Wildlife Resources Conservation (China West Normal University), Ministry of Education, Nanchong 637009, Sichuan, The People's Republic of China
| | - Cheng Huang
- Department of Wild Animal Disease, College of Life Science, China West Normal University, Nanchong 637009, Sichuan, The People's Republic of China.,Key Laboratory of Southwest China Wildlife Resources Conservation (China West Normal University), Ministry of Education, Nanchong 637009, Sichuan, The People's Republic of China
| | - Xi Peng
- Department of Wild Animal Disease, College of Life Science, China West Normal University, Nanchong 637009, Sichuan, The People's Republic of China.,Key Laboratory of Southwest China Wildlife Resources Conservation (China West Normal University), Ministry of Education, Nanchong 637009, Sichuan, The People's Republic of China
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31
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Qiu T, Shen X, Tian Z, Huang R, Li X, Wang J, Wang R, Sun Y, Jiang Y, Lei H, Zhang H. IgY Reduces AFB 1-Induced Cytotoxicity, Cellular Dysfunction, and Genotoxicity in Human L-02 Hepatocytes and Swan 71 Trophoblasts. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:1543-1550. [PMID: 29325416 DOI: 10.1021/acs.jafc.7b05385] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Aflatoxin B1 (AFB1) causes hepatotoxic, genotoxic, and immunotoxic effects in a variety of species. Although various neutralizing agents of AFB1 toxicity have been studied, the egg yolk immunoglobulin (IgY) detoxification of small molecular toxins and the mechanisms underlying such effects have not yet been reported. In this investigation, anti-AFB1 IgY against AFB1 was successfully raised, and a competitive indirect enzyme-linked immunosorbent assay was established with a sensitive half-maximal inhibitory concentration (IC50, 2.4 ng/mL) and dynamic working range (0.13-43.0 ng/mL). The anti-AFB1 IgY obtained reduced AFB1-induced cytotoxicity, cellular dysfunction, and genotoxicity by protecting cells against apoptotic body formation and DNA strand breaks, preventing G2/M phase cell cycle arrest, reducing AFB1-DNA adduct and reactive oxygen species production and maintaining cell migration and invasion and the mitochondrial membrane potential. Anti-AFB1 IgY significantly inhibited the AFB1-induced expression of proteins related to antioxidative, pro-apoptotic, and antiapoptotic processes in a strong dose-dependent manner. These experiments demonstrated that the anti-AFB1 IgY-bound AFB1 could not enter cells. This is the first time that IgY has been found to reduce the effects of small molecular toxins, which will be beneficial for the development of antibodies as detoxication agents.
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Affiliation(s)
- Taotao Qiu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University , Guangzhou 510642, China
- Public Health Laboratory Sciences and Toxicology, West China School of Public Health, Sichuan University , No. 17 People's South Road, Chengdu 610041, China
| | - Xing Shen
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University , Guangzhou 510642, China
| | - Zhen Tian
- Public Health Laboratory Sciences and Toxicology, West China School of Public Health, Sichuan University , No. 17 People's South Road, Chengdu 610041, China
| | - Riming Huang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University , Guangzhou 510642, China
| | - Xiangmei Li
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University , Guangzhou 510642, China
| | - Juan Wang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University , Guangzhou 510642, China
| | - Rong Wang
- Public Health Laboratory Sciences and Toxicology, West China School of Public Health, Sichuan University , No. 17 People's South Road, Chengdu 610041, China
| | - Yuanming Sun
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University , Guangzhou 510642, China
| | - Yiguo Jiang
- Institute for Chemical Carcinogenesis, Guangzhou Medical University, Xinzao , Panyu District, Guangzhou 510000, China
| | - Hongtao Lei
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University , Guangzhou 510642, China
| | - Huidong Zhang
- Public Health Laboratory Sciences and Toxicology, West China School of Public Health, Sichuan University , No. 17 People's South Road, Chengdu 610041, China
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32
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Knutsen HK, Barregård L, Bignami M, Brüschweiler B, Ceccatelli S, Cottrill B, Dinovi M, Edler L, Grasl-Kraupp B, Hogstrand C, Hoogenboom LR, Nebbia CS, Petersen A, Rose M, Roudot AC, Schwerdtle T, Vleminckx C, Vollmer G, Wallace H, Dall'Asta C, Gutleb AC, Humpf HU, Galli C, Metzler M, Oswald IP, Parent-Massin D, Binaglia M, Steinkellner H, Alexander J. Appropriateness to set a group health-based guidance value for fumonisins and their modified forms. EFSA J 2018; 16:e05172. [PMID: 32625807 PMCID: PMC7009576 DOI: 10.2903/j.efsa.2018.5172] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
The EFSA Panel on Contaminants in the Food Chain (CONTAM) established a tolerable daily intake (TDI) for fumonisin B1 (FB 1) of 1.0 μg/kg body weight (bw) per day based on increased incidence of megalocytic hepatocytes found in a chronic study with mice. The CONTAM Panel considered the limited data available on toxicity and mode of action and structural similarities of FB 2-6 and found it appropriate to include FB 2, FB 3 and FB 4 in a group TDI with FB 1. Modified forms of FBs are phase I and phase II metabolites formed in fungi, infested plants or farm animals. Modified forms also arise from food or feed processing, and include covalent adducts with matrix constituents. Non-covalently bound forms are not considered as modified forms. Modified forms of FBs identified are hydrolysed FB 1-4 (HFB 1-4), partially hydrolysed FB 1-2 (pHFB 1-2), N-(carboxymethyl)-FB 1-3 (NCM-FB 1-3), N-(1-deoxy-d-fructos-1-yl)-FB 1 (NDF-FB 1), O-fatty acyl FB 1, N-fatty acyl FB 1 and N-palmitoyl-HFB 1. HFB 1, pHFB 1, NCM-FB 1 and NDF-FB 1 show a similar toxicological profile but are less potent than FB 1. Although in vitro data shows that N-fatty acyl FBs are more toxic in vitro than FB 1, no in vivo data were available for N-fatty acyl FBs and O-fatty acyl FBs. The CONTAM Panel concluded that it was not appropriate to include modified FBs in the group TDI for FB 1-4. The uncertainty associated with the present assessment is high, but could be reduced provided more data are made available on occurrence, toxicokinetics and toxicity of FB 2-6 and modified forms of FB 1-4.
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33
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Alassane-Kpembi I, Schatzmayr G, Taranu I, Marin D, Puel O, Oswald IP. Mycotoxins co-contamination: Methodological aspects and biological relevance of combined toxicity studies. Crit Rev Food Sci Nutr 2018; 57:3489-3507. [PMID: 26918653 DOI: 10.1080/10408398.2016.1140632] [Citation(s) in RCA: 172] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Mycotoxins are secondary fungal metabolites produced mainly by Aspergillus, Penicillium, and Fusarium. As evidenced by large-scale surveys, humans and animals are simultaneously exposed to several mycotoxins. Simultaneous exposure could result in synergistic, additive or antagonistic effects. However, most toxicity studies addressed the effects of mycotoxins separately. We present the experimental designs and we discuss the conclusions drawn from in vitro experiments exploring toxicological interactions of mycotoxins. We report more than 80 publications related to mycotoxin interactions. The studies explored combinations involving the regulated groups of mycotoxins, especially aflatoxins, ochratoxins, fumonisins, zearalenone and trichothecenes, but also the "emerging" mycotoxins beauvericin and enniatins. Over 50 publications are based on the arithmetic model of additivity. Few studies used the factorial designs or the theoretical biology-based models of additivity. The latter approaches are gaining increased attention. These analyses allow determination of the type of interaction and, optionally, its magnitude. The type of interaction reported for mycotoxin combinations depended on several factors, in particular cell models and the tested dose ranges. However, synergy among Fusarium toxins was highlighted in several studies. This review indicates that well-addressed in vitro studies remain valuable tools for the screening of interactive potential in mycotoxin mixtures.
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Affiliation(s)
- Imourana Alassane-Kpembi
- a Toxalim , Research Centre in Food Toxicology Université de Toulouse, INRA, ENVT, INP- PURPAN, UPS , Toulouse , France.,b Hôpital d'Instruction des Armées Camp Guézo , Cotonou , Bénin
| | | | - Ionelia Taranu
- d National Institute for Research and Development in Animal Biology and Nutrition (IBNA), Calea Bucuresti , Balotesti , Romania
| | - Daniela Marin
- d National Institute for Research and Development in Animal Biology and Nutrition (IBNA), Calea Bucuresti , Balotesti , Romania
| | - Olivier Puel
- a Toxalim , Research Centre in Food Toxicology Université de Toulouse, INRA, ENVT, INP- PURPAN, UPS , Toulouse , France
| | - Isabelle Paule Oswald
- a Toxalim , Research Centre in Food Toxicology Université de Toulouse, INRA, ENVT, INP- PURPAN, UPS , Toulouse , France
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34
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Petrov V, Qureshi MK, Hille J, Gechev T. Occurrence, biochemistry and biological effects of host-selective plant mycotoxins. Food Chem Toxicol 2017; 112:251-264. [PMID: 29288760 DOI: 10.1016/j.fct.2017.12.047] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 12/21/2017] [Accepted: 12/22/2017] [Indexed: 02/08/2023]
Abstract
Host-selective mycotoxins (HSTs) are various secondary metabolites or proteinaceous compounds secreted by pathogenic necrotrophic fungi that feed off on dead tissues of certain plants. Research on the HSTs has not only fundamental but also practical importance. On one hand they are implicated in the onset of devastating crop diseases. On the other hand, they have been studied as a good model for revealing the intricate mechanisms of plant-pathogen interactions. At the cellular level, HSTs target different compartments and in most instances induce programmed cell death (PCD) by a wide range of mechanisms. Often the responses provoked by HSTs resemble the effector-triggered immunity used by plant cells to combat biotrophic pathogens, which suggests that HST-producing fungi exploit the plants' own defensive systems to derive benefits. Although by definition HSTs are active only in tissues of susceptible plant genotypes, it has been demonstrated that some of them are able to influence animal cells as well. The possible effects, like cytotoxicity or cytostasis, can be harmful or beneficial and thus HSTs may either pose a health risk for humans and livestock, or be of prospective use in the fields of pharmacology, medicine and agriculture.
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Affiliation(s)
- Veselin Petrov
- Center of Plant Systems Biology and Biotechnology, 139 Ruski blvd., Plovdiv 4000, Bulgaria; Department of Plant Physiology and Biochemistry, Agricultural University, 12 Mendeleev str., Plovdiv 4000, Bulgaria.
| | - Muhammad Kamran Qureshi
- Department of Plant Breeding & Genetics, Faculty of Agricultural Sciences & Technology, Bahauddin Zakariya University, Bosan Road, 60800, Multan, Punjab, Pakistan.
| | - Jacques Hille
- Department of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands.
| | - Tsanko Gechev
- Center of Plant Systems Biology and Biotechnology, 139 Ruski blvd., Plovdiv 4000, Bulgaria; Institute of Molecular Biology and Biotechnology, 105 Ruski blvd., Plovdiv 4000, Bulgaria; Department of Plant Physiology and Molecular Biology, Plovdiv University, 24 Tsar Assen str., Plovdiv 4000, Bulgaria.
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Xu F, Yu K, Yu H, Wang P, Song M, Xiu C, Li Y. Lycopene relieves AFB 1 -induced liver injury through enhancing hepatic antioxidation and detoxification potential with Nrf2 activation. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.10.027] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Deepthi BV, Somashekaraiah R, Poornachandra Rao K, Deepa N, Dharanesha NK, Girish KS, Sreenivasa MY. Lactobacillus plantarum MYS6 Ameliorates Fumonisin B1-Induced Hepatorenal Damage in Broilers. Front Microbiol 2017; 8:2317. [PMID: 29213265 PMCID: PMC5702784 DOI: 10.3389/fmicb.2017.02317] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 11/09/2017] [Indexed: 11/23/2022] Open
Abstract
Fumonisin B1 (FB1), a mycotoxin produced by Fusarium species is a predominant Group 2B carcinogen occurring in maize and maize-based poultry feeds. It is shown to be nephrotoxic, hepatotoxic, neurotoxic, and immunosuppressing in animals. In this study, we report the ameliorating effects of a probiotic strain, Lactobacillus plantarum MYS6 on FB1-induced toxicity and oxidative damage in broilers. A 6-week dietary experiment consisting of 48 broilers was performed in six treatment groups. Probiotic treatment (109 cells/mL) involved pre-colonization of broilers with L. plantarum MYS6 while co-administration treatment involved supplementation of probiotic and FB1-contaminated diet (200 mg/Kg feed) simultaneously. At the end of the treatment period, growth performance, hematology, serum biochemistry, and markers of oxidative stress in serum and tissue homogenates were evaluated in all the broilers. The histopathological changes in hepatic and renal tissues were further studied. The results demonstrated that administration of L. plantarum MYS6 efficiently improved the feed intake, body weight and feed conversion ratio in broilers. It mitigated the altered levels of hematological indices such as complete blood count, hemoglobin, and hematocrit. Serum parameters such as serum glutamic oxaloacetic transaminase, serum glutamic pyruvic transaminase, creatinine, cholesterol, triglycerides, and albumin were significantly restored after administering the probiotic in FB1-intoxicated broilers. Additionally, L. plantarum MYS6 alleviated the levels of oxidative stress markers in serum and tissue homogenate of liver. The histopathological data of liver and kidney further substantiated the overall protection offered by L. plantarum MYS6 against FB1-induced cellular toxicity and organ damage in broilers. Our results indicated that co-administration of probiotic along with the toxin had better effect in detoxification compared to its pre-colonization in broilers. Collectively, our study signifies the protective role of L. plantarum MYS6 in ameliorating the FB1-induced toxicity in the vital organs and subsequent oxidative stress in broilers. The probiotic L. plantarum MYS6 can further be formulated into a functional feed owing to its anti-fumonisin attributes and role in mitigating FB1-induced hepatorenal damage.
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Affiliation(s)
- B V Deepthi
- Department of Studies in Microbiology, University of Mysore, Mysuru, India
| | | | | | - N Deepa
- Department of Studies in Microbiology, University of Mysore, Mysuru, India
| | - N K Dharanesha
- Animal Disease Diagnostic Laboratory and Information Centre, Institute of Animal Health and Veterinary Biologicals, Karnataka Veterinary, Animal and Fisheries Sciences University (KVAFSU), Mysuru, India
| | - K S Girish
- Department of Studies and Research in Biochemistry, Tumkur Universty, Tumkur, India
| | - M Y Sreenivasa
- Department of Studies in Microbiology, University of Mysore, Mysuru, India
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Teixeira E, Frehse M, Freire R, Ono M, Bordini J, Hirozawa M, Ono E. Safety of low and high cost dry feed intended for dogs in Brazil concerning fumonisins, zearalenone and aflatoxins. WORLD MYCOTOXIN J 2017. [DOI: 10.3920/wmj2016.2166] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The Brazilian pet sector exportation has been growing at an impressive rate lately. Considering the intense globalisation, pet food may be commercialised worldwide and the issue concerning safety of dry dog feed has become a topic of widespread international interest. Therefore, the objectives of this study were to evaluate the safety of low and high cost dry feed and the degree of exposure of dogs to mycotoxins through naturally contaminated feed in Brazil. In addition, the safe pet dietary level (SPDL) was calculated. Fumonisins, zearalenone (ZEA) and aflatoxins were analysed in three feed types intended for dogs (n=87), provided by pet owners. Mean fumonisin levels were 272 µg/kg (Standard), 78.2 µg/kg (Premium), and 186 µg/kg (Super Premium) while ZEA mean levels were 52.6 µg/kg (Standard), 10.6 µg/kg (Premium) and 17.5 µg/kg (Super Premium). Mean total aflatoxin levels (aflatoxin B1 + B2 + G1 + G2) in Standard, Premium and Super Premium feed were 1.29 µg/kg, 0.49 µg/kg and 0.53 µg/kg, respectively. The estimated daily intake (EDI) values for fumonisin B1 were 1.41 (Standard), 1.60 (Premium) and 0.93 µg/kg body weight (BW)/day (Super Premium feed), whereas for ZEA they were 0.54 (Standard), 0.37 (Premium) and 0.42 µg/kg BW/day (Super Premium feed). SPDL for fumonisins and ZEA was 2,000 and 375 µg/kg feed, respectively. EDI values for aflatoxin B1 were 13.0 (Standard), 14.0 (Premium) and 11.0 ng/kg BW/day (Super Premium feed). Although the feed samples intended for dogs in Brazil were often contaminated with aflatoxins, fumonisins and ZEA, the estimated daily intake values were low, even for the low cost formulations. However, it cannot be excluded that some of the feed samples could have a negative effect on animal health and performance considering feeding a monodiet of commercial feed, low multi-mycotoxin contamination levels and interactions between mycotoxins.
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Affiliation(s)
- E.M.K. Teixeira
- Department of Biochemistry and Biotechnology, State University of Londrina, P.O. Box 10.011, 86057-970 Londrina, Paraná, Brazil
| | - M.S. Frehse
- Department of Preventive Veterinary Medicine, State University of Londrina, P.O. Box 10.011, 86057-970 Londrina, Paraná, Brazil
| | - R.L. Freire
- Department of Preventive Veterinary Medicine, State University of Londrina, P.O. Box 10.011, 86057-970 Londrina, Paraná, Brazil
| | - M.A. Ono
- Department of Pathological Sciences, State University of Londrina, P.O. Box 10.011, 86057-970 Londrina, Paraná, Brazil
| | - J.G. Bordini
- Department of Biochemistry and Biotechnology, State University of Londrina, P.O. Box 10.011, 86057-970 Londrina, Paraná, Brazil
| | - M.T. Hirozawa
- Department of Biochemistry and Biotechnology, State University of Londrina, P.O. Box 10.011, 86057-970 Londrina, Paraná, Brazil
| | - E.Y.S. Ono
- Department of Biochemistry and Biotechnology, State University of Londrina, P.O. Box 10.011, 86057-970 Londrina, Paraná, Brazil
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Lee HJ, Ryu D. Worldwide Occurrence of Mycotoxins in Cereals and Cereal-Derived Food Products: Public Health Perspectives of Their Co-occurrence. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:7034-7051. [PMID: 27976878 DOI: 10.1021/acs.jafc.6b04847] [Citation(s) in RCA: 346] [Impact Index Per Article: 49.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Cereal grains and their processed food products are frequently contaminated with mycotoxins. Among many, five major mycotoxins of aflatoxins, ochratoxins, fumonisins, deoxynivalenol, and zearalenone are of significant public health concern as they can cause adverse effects in humans. Being airborne or soilborne, the cosmopolitan nature of mycotoxigenic fungi contribute to the worldwide occurrence of mycotoxins. On the basis of the global occurrence data reported during the past 10 years, the incidences and maximum levels in raw cereal grains were 55% and 1642 μg/kg for aflatoxins, 29% and 1164 μg/kg for ochratoxin A, 61% and 71,121 μg/kg for fumonisins, 58% and 41,157 μg/kg, for deoxynivalenol, and 46% and 3049 μg/kg for zearalenone. The concentrations of mycotoxins tend to be lower in processed food products; the incidences varied depending on the individual mycotoxins, possibly due to the varying stability during processing and distribution of mycotoxins. It should be noted that more than one mycotoxin, produced by a single or several fungal species, may occur in various combinations in a given sample or food. Most studies reported additive or synergistic effects, suggesting that these mixtures may pose a significant threat to public health, particularly to infants and young children. Therefore, information on the co-occurrence of mycotoxins and their interactive toxicity is summarized in this paper.
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Affiliation(s)
- Hyun Jung Lee
- School of Food Science, University of Idaho , 875 Perimeter Drive MS 2312, Moscow, Idaho 83844, United States
| | - Dojin Ryu
- School of Food Science, University of Idaho , 875 Perimeter Drive MS 2312, Moscow, Idaho 83844, United States
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Mary VS, Arias SL, Otaiza SN, Velez PA, Rubinstein HR, Theumer MG. The aflatoxin B 1 -fumonisin B 1 toxicity in BRL-3A hepatocytes is associated to induction of cytochrome P450 activity and arachidonic acid metabolism. ENVIRONMENTAL TOXICOLOGY 2017; 32:1711-1724. [PMID: 28181396 DOI: 10.1002/tox.22395] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 01/12/2017] [Accepted: 01/15/2017] [Indexed: 06/06/2023]
Abstract
Human oral exposure to aflatoxin B1 (AFB1 ) and fumonisin B1 (FB1 ) is associated with increased hepatocellular carcinoma. Although evidence suggested interactive AFB1 -FB1 hepatotoxicity, the underlying mechanisms remain mostly unidentified. This work was aimed at evaluating the possible AFB1 -FB1 interplay to induce genetic and cell cycle toxicities in BRL-3A rat hepatocytes, reactive oxygen species (ROS) involvement, and the AFB1 metabolizing pathways cytochrome P450 (CYP) and arachidonic acid (ArAc) metabolism as ROS contributors. Flow cytometry of stained BRL-3A hepatocytes was used to study the cell cycle (propidium iodide), ROS intracellular production (DCFH-DA, HE, DAF-2 DA), and phospholipase A activity (staining with bis-BODIPY FL C11-PC). The CYP1A activity was assessed by the 7-ethoxyresorufin-O-deethylase (EROD) assay. Despite a 48-h exposure to FB1 (30 μM) not being genotoxic, the AFB1 (20 μM)-induced micronucleus frequency was overcome by the AFB1 -FB1 mixture (MIX), presumably showing toxin interaction. The mycotoxins blocked G1/S-phase, but only MIX caused cell death. Overall, the oxidative stress led these alterations as the pretreatment with N-acetyl-l-cysteine reduced such toxic effects. While AFB1 had a major input to the MIX pro-oxidant activity, with CYP and ArAc metabolism being ROS contributors, these pathways were not involved in the FB1 -elicited weak oxidative stress. The MIX-induced micronucleus frequency in N-acetyl-l-cysteine pretreated cells was greater than that caused by AFB1 without antioxidants, suggesting enhanced AFB1 direct genotoxicity probably owing to the higher CYP activity and ArAc metabolism found in MIX. The metabolic pathways modulation by AFB1 -FB1 mixtures could raise its hepatocarcinogenic properties.
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Affiliation(s)
- Verónica S Mary
- Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), UNC, CONICET, Córdoba, X5000HUA, Argentina
| | - Silvina L Arias
- Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), UNC, CONICET, Córdoba, X5000HUA, Argentina
| | - Santiago N Otaiza
- Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), UNC, CONICET, Córdoba, X5000HUA, Argentina
| | - Pilar A Velez
- Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), UNC, CONICET, Córdoba, X5000HUA, Argentina
| | - Héctor R Rubinstein
- Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), UNC, CONICET, Córdoba, X5000HUA, Argentina
| | - Martín G Theumer
- Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI), UNC, CONICET, Córdoba, X5000HUA, Argentina
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Manzini L, Halwachs S, Girolami F, Badino P, Honscha W, Nebbia C. Interaction of mammary bovine ABCG2 with AFB1 and its metabolites and regulation by PCB 126 in a MDCKII in vitro model. J Vet Pharmacol Ther 2017; 40:591-598. [PMID: 28198024 DOI: 10.1111/jvp.12397] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Accepted: 12/23/2016] [Indexed: 12/27/2022]
Abstract
The ATP-binding cassette efflux transporter ABCG2 plays a key role in the mammary excretion of drugs and toxins in humans and animals. Aflatoxins (AF) are worldwide contaminants of food and feed commodities, while PCB 126 is a dioxin-like PCB which may contaminate milk and dairy products. Both compounds are known human carcinogens. The interactions between AF and bovine ABCG2 (bABCG2) as well as the effects of PCB 126 on its efflux activity have been investigated by means of the Hoechst H33342 transport assay in MDCKII cells stably expressing mammary bABCG2. Both AFB1 and its main milk metabolite AFM1 showed interaction with bABCG2 even at concentrations approaching the legal limits in feed and food commodities. Moreover, PCB 126 significantly enhanced bABCG2 functional activity. Specific inhibitors of either AhR (CH233191) or ABCG2 (Ko143) were able to reverse the PCB 126-induced increase in bABCG2 transport activity, showing the specific upregulation of the efflux protein by the AhR pathway. The incubation of PCB 126-pretreated cells with AFM1 was able to substantially reverse such effect, with still unknown mechanism(s). Overall, results from this study point to AFB1 and AFM1 as likely bABCG2 substrates. The PCB 126-dependent increased activity of the transporter could enhance the ABCG2-mediated excretion into dairy milk of chemicals (i.e., drugs and toxins) potentially harmful to neonates and consumers.
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Affiliation(s)
- L Manzini
- Department of Veterinary Sciences, University of Torino, Grugliasco, Italy
| | - S Halwachs
- Institute of Veterinary Pharmacology, Pharmacy and Toxicology, Faculty of Veterinary Medicine, University of Leipzig, Leipzig, Germany
| | - F Girolami
- Department of Veterinary Sciences, University of Torino, Grugliasco, Italy
| | - P Badino
- Department of Veterinary Sciences, University of Torino, Grugliasco, Italy
| | - W Honscha
- Institute of Veterinary Pharmacology, Pharmacy and Toxicology, Faculty of Veterinary Medicine, University of Leipzig, Leipzig, Germany
| | - C Nebbia
- Department of Veterinary Sciences, University of Torino, Grugliasco, Italy
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Ajiboye TO, Yakubu MT, Oladiji AT. Lophirones B and C prevent aflatoxin B1-induced oxidative stress and DNA fragmentation in rat hepatocytes. PHARMACEUTICAL BIOLOGY 2016; 54:1962-1970. [PMID: 26841338 DOI: 10.3109/13880209.2015.1137603] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Context Despite the reported anticarcinogenic activity of lophirones B and C, no scientific information exists for its activity in rat hepatocytes. Objective Effect of lophirones B and C on aflatoxin B1 (AFB1)-induced oxidative stress, and DNA fragmentation in rat hepatocytes was investigated. Materials and methods Wistar rat hepatocytes were incubated with lophirones B and C (1 mg/mL) or sylimarin (1 mg/mL) in the presence or absence of AFB1. For an in vivo study, rats were orally administered with lophirones B and C, and/or AFB1 (20 μg/d) for 9 weeks. Results Lophirones B and C lowered AFB1-mediated increase in nitric oxide, superoxide anion radicals, caspase-3 and fragmented DNA. Lophirones B and C attenuated AFB1-mediated decrease in superoxide dismutase, catalase, glutathione peroxidase, glutathione reductase, and reduced glutathione. Also, lophirones B and C attenuated AFB1-mediated increase in conjugated dienes, lipid hydroperoxides and malondialdehyde in rat hepatocytes. Furthermore, AFB1-mediated alterations in alkaline phosphatase, alanine aminotransferase, aspartate aminotransferase, albumin, total bilirubin and globulin in rat serum were significantly annulled in lophirones B and C-treated rats. Conclusion This study revealed that lophirones B and C prevented AFB1-induced oxidative damage in rat hepatocytes.
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Affiliation(s)
- Taofeek Olakunle Ajiboye
- a Antioxidants, Free Radicals, Functional Foods and Toxicology Research Laboratory, Department of Biological Sciences , Al-Hikmah University , Ilorin , Nigeria
| | - Musa Toyin Yakubu
- b Phytomedicine, Toxicology and Reproductive Research Laboratory, Department of Biochemistry , University of Ilorin , Ilorin , Nigeria
| | - Adenike Temidayo Oladiji
- b Phytomedicine, Toxicology and Reproductive Research Laboratory, Department of Biochemistry , University of Ilorin , Ilorin , Nigeria
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Abdel-Wahhab MA, Salman AS, Ibrahim MI, El-Kady AA, Abdel-Aziem SH, Hassan NS, Waly AI. Curcumin nanoparticles loaded hydrogels protects against aflatoxin B1-induced genotoxicity in rat liver. Food Chem Toxicol 2016; 94:159-71. [PMID: 27288928 DOI: 10.1016/j.fct.2016.06.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Revised: 04/12/2016] [Accepted: 06/06/2016] [Indexed: 12/18/2022]
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Smith MC, Madec S, Coton E, Hymery N. Natural Co-Occurrence of Mycotoxins in Foods and Feeds and Their in vitro Combined Toxicological Effects. Toxins (Basel) 2016; 8:94. [PMID: 27023609 PMCID: PMC4848621 DOI: 10.3390/toxins8040094] [Citation(s) in RCA: 325] [Impact Index Per Article: 40.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 03/18/2016] [Accepted: 03/21/2016] [Indexed: 11/16/2022] Open
Abstract
Some foods and feeds are often contaminated by numerous mycotoxins, but most studies have focused on the occurrence and toxicology of a single mycotoxin. Regulations throughout the world do not consider the combined effects of mycotoxins. However, several surveys have reported the natural co-occurrence of mycotoxins from all over the world. Most of the published data has concerned the major mycotoxins aflatoxins (AFs), ochratoxin A (OTA), zearalenone (ZEA), fumonisins (FUM) and trichothecenes (TCTs), especially deoxynivalenol (DON). Concerning cereals and derived cereal product samples, among the 127 mycotoxin combinations described in the literature, AFs+FUM, DON+ZEA, AFs+OTA, and FUM+ZEA are the most observed. However, only a few studies specified the number of co-occurring mycotoxins with the percentage of the co-contaminated samples, as well as the main combinations found. Studies of mycotoxin combination toxicity showed antagonist, additive or synergic effects depending on the tested species, cell model or mixture, and were not necessarily time- or dose-dependent. This review summarizes the findings on mycotoxins and their co-occurrence in various foods and feeds from all over the world as well as in vitro experimental data on their combined toxicity.
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Affiliation(s)
- Marie-Caroline Smith
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France.
| | - Stéphanie Madec
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France.
| | - Emmanuel Coton
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France.
| | - Nolwenn Hymery
- Université de Brest, EA 3882 Laboratoire Universitaire de Biodiversité et d'Ecologie Microbienne, ESIAB, Technopôle Brest-Iroise, 29280 Plouzané, France.
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Liu Y, Wang W. Aflatoxin B1 impairs mitochondrial functions, activates ROS generation, induces apoptosis and involves Nrf2 signal pathway in primary broiler hepatocytes. Anim Sci J 2016; 87:1490-1500. [PMID: 26997555 DOI: 10.1111/asj.12550] [Citation(s) in RCA: 99] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Revised: 08/17/2015] [Accepted: 08/18/2015] [Indexed: 11/29/2022]
Abstract
Aflatoxin B1 (AFB1) is known as a mycotoxin that causes various health problems in animals, but the precise mechanism of AFB1 on mitochondrial functions and apoptosis in primary broiler hepatocytes (PBHs) is not clear. The objective of this study was to investigate the effects of AFB1 on the mitochondrial functions, reactive oxygen species (ROS) generation, apoptosis and nuclear factor erythroid 2-like factor 2 (Nrf2)-related signal pathway in PBHs. Here, the mitochondrial membrane potential (MMP), ROS generation, antioxidative genes and apoptosis in PBHs induced by AFB1 were investigated. The results showed that AFB1 evoked mitochondrial ROS generation, decreased MMP and induced apoptosis in PBHs. AFB1 increased the percentage of apoptotic cells, and expression of caspase-9 and caspase-3, upregulated messenger RNA (mRNA) expression of Nrf2 and downregulated mRNA expressions of NAD(P)H: quinine oxidoreductase 1, superoxide dismutase and Heme oxygenase 1 in PBHs. The expression of Bax was also observed in cytoplasm. These findings suggested AFB1 results in a significant impairment of mitochondrial functions, activates ROS generation, induces apoptosis, and is involved in Nrf2 signal pathway through mitochondria ROS-dependent signal pathways in PBHs.
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Affiliation(s)
- Yan Liu
- College of Life Sciences, South-Central University for Nationalities, Wuhan, China
| | - Wenjun Wang
- College of Life Sciences, South-Central University for Nationalities, Wuhan, China
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Mallebrera B, Juan-Garcia A, Font G, Ruiz MJ. Mechanisms of beauvericin toxicity and antioxidant cellular defense. Toxicol Lett 2016; 246:28-34. [DOI: 10.1016/j.toxlet.2016.01.013] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Revised: 01/14/2016] [Accepted: 01/19/2016] [Indexed: 10/22/2022]
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Hove M, Van Poucke C, Njumbe-Ediage E, Nyanga L, De Saeger S. Review on the natural co-occurrence of AFB1 and FB1 in maize and the combined toxicity of AFB1 and FB1. Food Control 2016. [DOI: 10.1016/j.foodcont.2015.06.053] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Pizzolitto RP, Herrera JM, Zaio YP, Dambolena JS, Zunino MP, Gallucci MN, Zygadlo JA. Bioactivities of Ketones Terpenes: Antifungal Effect on F. verticillioides and Repellents to Control Insect Fungal Vector, S. zeamais. Microorganisms 2015; 3:851-65. [PMID: 27682121 PMCID: PMC5023262 DOI: 10.3390/microorganisms3040851] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2015] [Revised: 09/25/2015] [Accepted: 11/02/2015] [Indexed: 01/11/2023] Open
Abstract
Maize is one the most important staple foods in the world. However, numerous pests, such as fungal pathogens, e.g., Fusarium verticillioides, and insects, such as Sitophlilus zeamais, attack maize grains during storage. Many F. verticillioides strains produce fumonisins, one of the most important mycotoxin that causes toxic effects on human and animal health. This situation is aggravated by the insect fungal vector, Sitophlilus zeamais, which contributes to the dispersal of fungal spores, and through feeding damage, provide entry points for fungal infections. The aim of this study was to evaluate in vitro bioassays, the antifungal activity on F. verticillioides M3125 and repellent effects against S. zeamais of ketone terpenes. In addition, we performed Quantitative structure-activity relationship (Q-SAR) studies between physico-chemical properties of ketone terpenes and the antifungal effect. Thymoquinone was the most active compound against F. verticillioides (Minimum Inhibitory Concentration, MIC: 0.87) affecting the lag phase and the growth rate showing a total inhibition of growth at concentration higher than 2 mM (p < 0.05). The Q-SAR model revealed that the antifungal activity of ketone compounds is related to the electronic descriptor, Pi energy. Thymoquinone showed a strong repellent effect (-77.8 ± 8.5, p < 0.001) against S. zeamais. These findings make an important contribution to the search for new compounds to control two stored pests of maize.
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Affiliation(s)
- Romina P Pizzolitto
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET), Universidad Nacional de Córdoba-(UNC), Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), UNC, Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
| | - Jimena M Herrera
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET), Universidad Nacional de Córdoba-(UNC), Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), UNC, Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
| | - Yesica P Zaio
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET), Universidad Nacional de Córdoba-(UNC), Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), UNC, Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
| | - Jose S Dambolena
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET), Universidad Nacional de Córdoba-(UNC), Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), UNC, Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
| | - Maria P Zunino
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET), Universidad Nacional de Córdoba-(UNC), Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), UNC, Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
| | - Mauro N Gallucci
- Centro de Investigaciones y Transferencia de Santiago Del Estero (CITSE-INBIONATEC) El Zanjón, ruta 9 Km. 1134, G4200AQF Santiago Del Estero, Argentina.
| | - Julio A Zygadlo
- Instituto Multidisciplinario de Biología Vegetal (IMBiV-CONICET), Universidad Nacional de Córdoba-(UNC), Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
- Instituto de Ciencia y Tecnología de los Alimentos (ICTA), Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), UNC, Avenida Vélez Sarsfield 1611, X5016GCA Córdoba, Argentina.
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48
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De Ruyck K, De Boevre M, Huybrechts I, De Saeger S. Dietary mycotoxins, co-exposure, and carcinogenesis in humans: Short review. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2015; 766:32-41. [PMID: 26596546 DOI: 10.1016/j.mrrev.2015.07.003] [Citation(s) in RCA: 167] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2015] [Revised: 07/05/2015] [Accepted: 07/30/2015] [Indexed: 02/07/2023]
Abstract
Mycotoxins, toxic secondary metabolites of fungi, affect global agriculture so prolifically that they are virtually ubiquitous at some concentration in the average human diet. Studies of in vitro and in vivo toxicity are discussed, leading to investigations of co-exposed mycotoxins, as well as carcinogenic effects. Some of the most common and toxicologically significant mycotoxins, such as the aflatoxins, ochratoxins, fumonisins, deoxynivalenol, T-2 toxin, HT-2 toxin, patulin, zearalenone, and some ergot alkaloids are outlined. The wide variety of pathogenic mechanisms these compounds employ are shown capable of inducing a complex set of interactions. Of particular note are potential synergisms between mycotoxins with regard to carcinogenic attributable risk, indicating an important field for future study.
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Affiliation(s)
- Karl De Ruyck
- Laboratory of Food Analysis, Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium.
| | - Marthe De Boevre
- Laboratory of Food Analysis, Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium.
| | - Inge Huybrechts
- International Agency for Research on Cancer, Dietary Exposure Assessment Group, 150 Cours Albert Thomas, 69008 Lyon, France.
| | - Sarah De Saeger
- Laboratory of Food Analysis, Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, 9000 Ghent, Belgium.
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49
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Hassan AM, Abdel-Aziem SH, El-Nekeety AA, Abdel-Wahhab MA. Panax ginseng extract modulates oxidative stress, DNA fragmentation and up-regulate gene expression in rats sub chronically treated with aflatoxin B1 and fumonisin B 1. Cytotechnology 2015; 67:861-71. [PMID: 24748134 PMCID: PMC4545437 DOI: 10.1007/s10616-014-9726-z] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2013] [Accepted: 04/04/2014] [Indexed: 11/26/2022] Open
Abstract
Aflatoxins and fumonisins are important food-borne mycotoxins implicated in human health and have cytotoxic effects. The aims of the current study were to evaluate the protective role of Panax ginseng extract (PGE) against the synergistic effect of subchronic administration of aflatoxin B1 (AFB1) and fumonisin B1 (FB1) on DNA and gene expression in rat. Female Sprague-Dawley rats were divided into eight groups (ten rats/group) and treated for 12 weeks including the control group, the group having received AFB1 (80 µg/kg bw), the group having received FB1 (100 µg/kg bw), the group having received AFB1 plus FB1 and the groups having received PGE (20 mg/kg bw) alone or with AFB1 and/or FB1. At the end of experiment, liver and kidney were collected for the determination of DNA fragmentation, lipid peroxidation (LP), glutathione (GSH) contents and alterations in gene expression. The results indicated that these mycotoxins increased DNA fragmentation, LP and decreased GSH content in liver and kidney and down-regulated gene expression of antioxidants enzymes. The combined treatments with AFB1 and/or FB1 plus PGE suppressed DNA fragmentation only in the liver, normalized LP and increased GSH in the liver and kidney as well as up-regulated the expression of GPx, SOD1 and CAT mRNA. It could be concluded that AFB1 and FB1 have synergistic genotoxic effects. PGE induced protective effects against their oxidative stress and genotoxicity through its antioxidant properties.
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Affiliation(s)
- Aziza M. Hassan
- />Cell Biology Department, National Research Center, Dokki, Cairo, Egypt
- />Biotechnology Department, Faculty of Science, Taif University, Taif, KSA
| | | | - Aziza A. El-Nekeety
- />Food Toxicology and Contaminants Department, National Research Center, Dokki, Cairo, Egypt
| | - Mosaad A. Abdel-Wahhab
- />Food Toxicology and Contaminants Department, National Research Center, Dokki, Cairo, Egypt
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50
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Wang X, Wu Q, Wan D, Liu Q, Chen D, Liu Z, Martínez-Larrañaga MR, Martínez MA, Anadón A, Yuan Z. Fumonisins: oxidative stress-mediated toxicity and metabolism in vivo and in vitro. Arch Toxicol 2015; 90:81-101. [PMID: 26419546 DOI: 10.1007/s00204-015-1604-8] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 08/11/2015] [Indexed: 10/23/2022]
Abstract
Fumonisins (FBs) are widespread Fusarium toxins commonly found as corn contaminants. FBs could cause a variety of diseases in animals and humans, such as hepatotoxic, nephrotoxic, hepatocarcinogenic and cytotoxic effects in mammals. To date, almost no review has addressed the toxicity of FBs in relation to oxidative stress and their metabolism. The focus of this article is primarily intended to summarize the progress in research associated with oxidative stress as a plausible mechanism for FB-induced toxicity as well as the metabolism. The present review showed that studies have been carried out over the last three decades to elucidate the production of reactive oxygen species (ROS) and oxidative stress as a result of FBs treatment and have correlated them with various types of FBs toxicity, indicating that oxidative stress plays critical roles in the toxicity of FBs. The major metabolic pathways of FBs are hydrolysis, acylation and transamination. Ceramide synthase, carboxylesterase FumD and aminotransferase FumI could degrade FB1 and FB2. The cecal microbiota of pigs and alkaline processing such as nixtamalization can also transform FB1 into metabolites. Most of the metabolites of FB1 were less toxic than FB1, except its partial (pHFB1) metabolites. Further understanding of the role of oxidative stress in FB-induced toxicity will throw new light on the use of antioxidants, scavengers of ROS, as well as on the blind spots of metabolism and the metabolizing enzymes of FBs. The present review might contribute to reveal the toxicity of FBs and help to protect against their oxidative damage.
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Affiliation(s)
- Xu Wang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, 430070, Hubei, China.,Departamento de Toxicología y Farmacología, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040, Madrid, Spain
| | - Qinghua Wu
- College of Life Science, Yangtze University, Jingzhou, China.,Center for Basic and Applied Research, Faculty of Informatics and Management, University of Hradec Kralove, Hradec Kralove, Czech Republic
| | - Dan Wan
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Qianying Liu
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Dongmei Chen
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Zhenli Liu
- Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Wuhan, Hubei, China
| | - María Rosa Martínez-Larrañaga
- Departamento de Toxicología y Farmacología, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040, Madrid, Spain
| | - María Aránzazu Martínez
- Departamento de Toxicología y Farmacología, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040, Madrid, Spain
| | - Arturo Anadón
- Departamento de Toxicología y Farmacología, Facultad de Veterinaria, Universidad Complutense de Madrid, 28040, Madrid, Spain.
| | - Zonghui Yuan
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, 430070, Hubei, China. .,MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, 430070, Hubei, China. .,Hubei Collaborative Innovation Center for Animal Nutrition and Feed Safety, Wuhan, Hubei, China.
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