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Arce-López B, Coton M, Coton E, Hymery N. Occurrence of the two major regulated mycotoxins, ochratoxin A and fumonisin B1, in cereal and cereal-based products in Europe and toxicological effects: A review. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 109:104489. [PMID: 38844151 DOI: 10.1016/j.etap.2024.104489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 05/25/2024] [Accepted: 05/30/2024] [Indexed: 06/14/2024]
Abstract
Among cereal contaminants, mycotoxins are of concern due to their importance in terms of food and feed safety. The difficulty in establishing a diagnosis for mycotoxicosis relies on the fact that the effects are most often subclinical for chronic exposure and the most common scenario is multi-contamination by various toxins. Mycotoxin co-occurrence is a major food safety concern as additive or even synergic toxic impacts may occur, but also regarding current regulations as they mainly concern individual mycotoxin levels in specific foods and feed in the food chain. However, due to the large number of possible mycotoxin combinations, there is still limited knowledge on co-exposure toxicity data, which depends on several parameters. In this context, this systematic review aims to provide an overview of the toxic effects of two regulated mycotoxins, namely ochratoxin A and fumonisin B1. This review focused on the 2012-2022 period and analysed the occurrence in Europe of the selected mycotoxins in different food matrices (cereals and cereal-derived products), and their toxic impact, alone or in combination, on in vitro intestinal and hepatic human cells. To better understand and evaluate the associated risks, further research is needed using new approach methodologies (NAM), such as in vitro 3D models. KEY CONTRIBUTION: Cereals and their derived products are the most important food source for humans and feed for animals worldwide. This manuscript is a state of the art review of the literature over the last ten years on ochratoxin A and fumonisin B1 mycotoxins in these products in Europe as well as their toxicological effects, alone and in combination, on human cells. Future perspectives and some challenges regarding the assessment of toxicological effects of mycotoxins are also discussed.
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Affiliation(s)
- Beatriz Arce-López
- Univ. Brest, INRAE, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, Plouzané F-29280, France
| | - Monika Coton
- Univ. Brest, INRAE, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, Plouzané F-29280, France
| | - Emmanuel Coton
- Univ. Brest, INRAE, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, Plouzané F-29280, France
| | - Nolwenn Hymery
- Univ. Brest, INRAE, Laboratoire Universitaire de Biodiversité et Ecologie Microbienne, Plouzané F-29280, France.
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Mary VS, Vélez PA, Quiroz S, Beccacece I, Otaiza-González SN, Chiapello LS, Rubinstein HR, Theumer MG. Involvement of aryl hydrocarbon receptor in the aflatoxin B 1 and fumonisin B 1 effects on in vitro differentiation of murine regulatory-T and Th17 cells. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:48758-48772. [PMID: 39039370 DOI: 10.1007/s11356-024-34421-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 07/15/2024] [Indexed: 07/24/2024]
Abstract
Aflatoxin B1 (AFB1) and fumonisin B1 (FB1) are mycotoxins widely found as cereal contaminants, and their co-consumption is associated with liver cancer. Both are immunotoxic, but their interactions have been little studied. This work was aimed to evaluate in mouse spleen mononuclear cells (SMC) the effects of the exposure to AFB1 (5-50 µM), FB1 (25-250 µM), and AFB1-FB1 mixtures (MIX) on the in vitro differentiation of regulatory T cells (Treg and Tr1-like) and Th17 cells, as well as elucidate the contribution of aryl hydrocarbon receptor (Ahr) in such effects. AFB1 and mainly MIX induced cytotoxicity in activated CD4 cells via Ahr signaling. AFB1 (5 µM) increased the Treg cell differentiation, but its combination with FB1 (25 µM) also reduced Th17 cell expansion by Ahr-dependent mechanisms. Therefore, this mixture could enhance the Treg/Th17 cell ratio and favor immunosuppression and escape from tumor immunosurveillance to a greater extent than individual mycotoxins. Whereas, AFB1-FB1 mixtures at medium-high doses inhibited the Tr1-like cell expansion induced by the individual mycotoxins and affected Treg and Th17 cell differentiation in Ahr-independent and dependent manners, respectively, which could alter anti-inflammatory and Th17 immune responses. Moreover, individual FB1 altered regulatory T and Th17 cell development independently of Ahr. In conclusion, AFB1 and FB1 interact by modifying Ahr signaling, which is involved in the immunotoxicity as well as in the alteration of the differentiation of Treg, Tr1-like, and Th17 cells induced by AFB1-FB1 mixtures. Therefore, Ahr is implicated in the regulation of the anti- and pro-inflammatory responses caused by the combination of AFB1 and FB1.
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Affiliation(s)
- Verónica Sofía Mary
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Pilar Andrea Vélez
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Sol Quiroz
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Ignacio Beccacece
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Santiago Nicolás Otaiza-González
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Laura Silvina Chiapello
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Héctor Ramón Rubinstein
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Martín Gustavo Theumer
- Centro de Investigaciones en Bioquímica Clínica E Inmunología (CIBICI, UNC-CONICET), Departamento de Bioquímica Clínica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de La Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina.
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3
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Xiao Y, Liu R, Zhang X, Li Y, Peng F, Tang W. Analysis of cantharidin-induced kidney injury and the protective mechanism of resveratrol in mice determined by liquid chromatography/mass spectrometry-based metabonomics. J Appl Toxicol 2024; 44:990-1004. [PMID: 38448202 DOI: 10.1002/jat.4596] [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: 01/07/2024] [Revised: 02/08/2024] [Accepted: 02/22/2024] [Indexed: 03/08/2024]
Abstract
Cantharidin (CTD) is the main active component in the traditional Chinese medicine Mylabris and an effective anti-tumor agent. However, it is relatively toxic and exhibits nephrotoxicity, which limits its clinical use. However, its toxic mechanism is not clear. The toxic effects of CTD exposure on the kidney and the protective effect of resveratrol (RES) were studied in a mouse model, by determination of serum biochemical and renal antioxidant indicators, histopathological and ultrastructural observation, and metabonomics. After CTD exposure, serum uric acid, creatinine, and tissue oxidative stress indicators increased, and the renal glomerular and tubular epithelial cells showed clear pathological damage. Ultrastructure observation revealed marked mitochondrial swelling, endoplasmic reticulum dilation, and the presence of autophagy lysosomes in glomerular epithelial cells. RES ameliorated the renal injury induced by CTD. Metabonomics analysis indicated that CTD can induce apoptosis and oxidative damage in kidney cells, mainly by disrupting sphingolipid and glutathione metabolism, increasing sphingosine and sphingomyelin levels, and decreasing glutathione levels. RES counteracts these effects by regulating renal cell proliferation, the inflammatory response, oxidative stress, and apoptosis, by improving the levels of phosphatidylcholine (PC), LysoPC, and lysophosphatidyl glycerol in the glycerophospholipid metabolism pathway, thereby reducing CTD-induced nephrotoxicity. The mechanisms of CTD-induced renal injury and the protective effect of RES were revealed by metabonomics, providing a basis for evaluating clinical treatment regimens to reduce CTD-induced nephrotoxicity.
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Affiliation(s)
- Yuanyuan Xiao
- Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Ruxia Liu
- Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Xiaoyue Zhang
- Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Yaofeng Li
- Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Fang Peng
- Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Wenchao Tang
- Guizhou University of Traditional Chinese Medicine, Guiyang, China
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Cao L, Fan L, Zhao C, Yin S, Hu H. Role of ferroptosis in food-borne mycotoxin-induced toxicities. Apoptosis 2024; 29:267-276. [PMID: 38001339 DOI: 10.1007/s10495-023-01907-4] [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] [Accepted: 10/16/2023] [Indexed: 11/26/2023]
Abstract
Contamination by toxic substances is a major global food safety issue, which poses a serious threat to human health. Mycotoxins are major class of food contaminants, mainly including aflatoxins (AFs), zearalenone (ZON), deoxynivalenol (DON), ochratoxin A (OTA), fumonisins (FBs) and patulin (PAT). Ferroptosis is a newly identified iron-dependent form of programmed or regulated cell death, which has been found to be involved in diverse pathological conditions. Recently, a growing body of evidence has shown that ferroptosis is implicated in the toxicities induced by certain types of food-borne mycotoxins, which provides novel mechanistic insights into mycotoxin-induced toxicities and paves the way for developing ferroptosis-based strategy to combat against toxicities of mycotoxins. In this review article, we summarize the key findings on the involvement of ferroptosis in mycotoxin-induced toxicities and propose issues that need to be addressed in future studies for better utilization of ferroptosis-based approach to manage the toxic effects of mycotoxin contamination.
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Affiliation(s)
- Lixing Cao
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing, 100083, China
| | - Lihong Fan
- College of Veterinary Medicine, China Agricultural University, No. 2 Yunamingyuan West Road, Haidian District, Beijing, 100193, China
| | - Chong Zhao
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing, 100083, China.
| | - Shutao Yin
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing, 100083, China
| | - Hongbo Hu
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory for Food Non-thermal Processing, China Agricultural University, No. 17 Qinghua East Road, Haidian District, Beijing, 100083, China.
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Krishnaswamy K, Manasa V, Khan MT, Serva Peddha M. Apocynin exerts neuroprotective effects in fumonisin b1-induced neurotoxicity via attenuation of oxidative stress and apoptosis in an animal model. J Food Sci 2024; 89:1280-1293. [PMID: 38193205 DOI: 10.1111/1750-3841.16869] [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: 02/23/2023] [Revised: 11/09/2023] [Accepted: 11/20/2023] [Indexed: 01/10/2024]
Abstract
The Fusarium verticillioides produces a mycotoxin, that is, fumonisin b1 (Fb1), which commonly infects corn and agricultural commodities. The Fb1 showed hepatotoxicity, neurotoxicity, and carcinogenicity in animals. Hence, the present investigation aimed to evaluate the effect of apocynin (AP) on Fb1-induced neurotoxic effects and its mechanism in the mice model and cell line. The male Balb/c mice, with the 6.75 mg/kg bwt of Fb1 were injected subcutaneously for 5 days to induce neurotoxicity. A significant elevation of serotonin (5-HT) was observed in mice treated with Fb1 in the whole brain showing biogenic amines may reflect Fb1 neurotoxicity, but the negatively regulated mechanisms were attenuated by the pretreatment of AP. In addition, AP pretreatment normalized apoptotic changes in histology and immunohistochemistry studies. In Western blotting studies, apoptotic genes were upregulated and oxidative stress genes were downregulated due to Fb1 treatment; while treating with AP, these gene expressions were rectified. Further cell cytotoxicity was investigated by MTT and lactate dehydrogenase (LDH) assays in SH-SY5Y cell line. MTT and LDH assays indicated the IC50 value to be 150 µM of Fb1, which was protected by 100 µg of AP. The electron microscopy evaluated the Fb1-induced apoptotic conditions and its cell morphology recovery by AP. These results suggest that nicotinamide adenine dinucleotide phosphate hydrogen oxidase-mediated reactive oxygen species is the primary upstream signal leading to increased Fb1-mediated neurotoxicity in mice. The use of the antioxidant AP reversed the toxin-induced oxidative stress and apoptosis by its antioxidant potency.
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Affiliation(s)
- Krupashree Krishnaswamy
- Department of Biochemistry, Council of Scientific and Industrial Research, Central Food Technological Research Institute, Mysore, India
| | - Vallamkondu Manasa
- Department of Biochemistry, Council of Scientific and Industrial Research, Central Food Technological Research Institute, Mysore, India
| | - Mohammed Touseef Khan
- Department of Biochemistry, Council of Scientific and Industrial Research, Central Food Technological Research Institute, Mysore, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Muthukumar Serva Peddha
- Department of Biochemistry, Council of Scientific and Industrial Research, Central Food Technological Research Institute, Mysore, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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6
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Ansari F, Lee CC, Rashidimehr A, Eskandari S, Ashaolu TJ, Mirzakhani E, Pourjafar H, Jafari SM. The Role of Probiotics in Improving Food Safety: Inactivation of Pathogens and Biological Toxins. Curr Pharm Biotechnol 2024; 25:962-980. [PMID: 37264621 DOI: 10.2174/1389201024666230601141627] [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: 01/23/2023] [Revised: 04/07/2023] [Accepted: 04/26/2023] [Indexed: 06/03/2023]
Abstract
Currently, many advances have been made in avoiding food contamination by numerous pathogenic and toxigenic microorganisms. Many studies have shown that different probiotics, in addition to having beneficial effects on the host's health, have a very good ability to eliminate and neutralize pathogens and their toxins in foods which leads to enhanced food safety. The present review purposes to comprehensively discuss the role of probiotics in improving food safety by inactivating pathogens (bacterial, fungal, viral, and parasite agents) and neutralizing their toxins in food products. Some recent examples in terms of the anti-microbial activities of probiotics in the body after consuming contaminated food have also been mentioned. This review shows that different probiotics have the potential to inactivate pathogens and neutralize and detoxify various biological agents in foods, as well as in the host body after consumption.
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Affiliation(s)
- Fereshteh Ansari
- Department of Agricultural Research, Razi Vaccine and Serum Research Institute, Education and Extension Organization (AREEO), Tehran. Iran
- Research Center for Evidence-Based Medicine, Health Management and Safety Promotion Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
- Iranian EBM Centre: A Joanna Briggs Institute Affiliated Group, Tabriz, Iran
| | - Chi-Ching Lee
- Department of Food Engineering, Istanbul Sabahattin Zaim University, Faculty of Engineering and Natural Sciences, Turkey
| | - Azadeh Rashidimehr
- Department of Food Sciences, Faculty of Veterinary Medicine, Lorestan University, Khorramabad, Lorestan, Iran
| | - Soheyl Eskandari
- Food and Drug Laboratory Research Center (FDLRC), Food and Drug Administration (FDA), Ministry of Health and Medical Education (MOH+ME), Tehran, Iran
| | - Tolulope Joshua Ashaolu
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam
- Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang, 550000, Viet Nam
| | - Esmaeel Mirzakhani
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hadi Pourjafar
- Dietary Supplements and Probiotic Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Seid Mahdi Jafari
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
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Canto ESM, Bentes VS, Silva MJA, Lima ES, Silva DR, Nunez CV, Cortez ACA, Souza ES, Souza JVB. Tapping into Tapajos: antibacterial potential of fungal strains isolated from decaying wood in the Brazilian Amazon. BRAZ J BIOL 2023; 83:e275573. [PMID: 38126585 DOI: 10.1590/1519-6984.275573] [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: 06/14/2023] [Accepted: 11/07/2023] [Indexed: 12/23/2023] Open
Abstract
The emergence of bacterial resistance to antimicrobials poses a significant health threat. To address this issue, exploring the fungal diversity in freshwater environments in the Amazon Forest has potential in the search for new antimicrobials. This study aimed to investigate the production of antibacterial metabolites by aquatic fungi from Amazon lakes, specifically Lake Juá and Lake Maicá (Brazil-PA). The fungal isolates were obtained from wood fragments submerged in these lakes, and the ethyl acetate extracts were evaluated for antibacterial activity against Staphylococcus aureus ATCC 25923, S. aureus (MRSA), ATCC 43300, Escherichia coli ATCC 25922, and E. coli (ESBL) NCTC 13353. Additionally, toxicity of the extracts (EtOAc with antimicrobial activity) against human fibroblasts MRC-5 was investigated. The study identified 40 fungal strains with antimicrobial screening, and the ethyl acetate extracts of Fluviatispora C34, Helicascus C18, Monodictys C15, and Fusarium solani LM6281 exhibited antibacterial activity. F. solani LM6281 showed the lowest minimum inhibitory concentration (MIC) of 50 µg/mL against S. aureus strains and MIC of 100 µg/mL against E. coli strains including ESBL. The cytotoxicity (IC50) of the extract (EtOAc) of F. solani LM6281 was 34.5 µg/mL. Preliminary studies of the TLC culture and RNM-H from the extract (EtOAc) of F. solani suggested the presence of substances from the class of terpenes, quinones, phenolics, and flavonoids. This study highlights the potential of submerged wood fungi in the Amazon region to produce antibacterial substances, thus identifying them as sources of novel bioactive compounds with potential use in the pharmaceutical industry and regional bioeconomy.
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Affiliation(s)
- E S M Canto
- Universidade Federal do Oeste do Pará - UFOPA, Instituto de Ciências e Tecnologia das Águas - ICTA, Santarém, PA, Brasil
| | - V S Bentes
- Universidade Federal do Oeste do Pará - UFOPA, Instituto de Ciências e Tecnologia das Águas - ICTA, Santarém, PA, Brasil
| | - M J A Silva
- Universidade Federal do Amazonas - UFAM, Laboratório de Atividade Biológica, Manaus, AM, Brasil
| | - E S Lima
- Universidade Federal do Amazonas - UFAM, Laboratório de Atividade Biológica, Manaus, AM, Brasil
| | - D R Silva
- Instituto Nacional de Pesquisas da Amazônia - INPA, Laboratório de Bioprospecção e Biotecnologia, Manaus, AM, Brasil
| | - C V Nunez
- Instituto Nacional de Pesquisas da Amazônia - INPA, Laboratório de Bioprospecção e Biotecnologia, Manaus, AM, Brasil
| | - A C A Cortez
- Instituto Nacional de Pesquisa da Amazônia - INPA, Laboratório de Micologia, Manaus, AM, Brasil
| | - E S Souza
- Instituto Nacional de Pesquisa da Amazônia - INPA, Laboratório de Micologia, Manaus, AM, Brasil
| | - J V B Souza
- Instituto Nacional de Pesquisa da Amazônia - INPA, Laboratório de Micologia, Manaus, AM, Brasil
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Li J, Zhu M, Xian R, Chen S, Zang Q, Zhu H, Cao C. A preliminary study on the pathology and molecular mechanism of fumonisin B 1 nephrotoxicity in young quails. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:114438-114451. [PMID: 37858030 DOI: 10.1007/s11356-023-30291-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 10/02/2023] [Indexed: 10/21/2023]
Abstract
Fumonisin B1 (FB1) is a widely present mycotoxin that accumulates in biological systems and poses a health risk to animals. However, few studies have reported the molecular mechanism by which FB1 induces nephrotoxicity. The aim of this study was to assess the extent of nephrotoxicity during FB1 exposure and the possible molecular mechanisms behind it. Therefore, 180 young quails were equally divided into two groups. The control group was fed typical quail food, while the experimental group was fed quail food containing 30 mg·kg-1 FB1. Various parameters were assessed, which included histopathological, ultrastructural changes, levels of biochemical parameters, oxidative indicators, inflammatory factors, possible target organelles mitochondrial and endoplasmic reticulum (ER)-related factors, nuclear xenobiotic receptors (NXR) response, and cytochrome P450 system (CYP450s)-related factors in the kidneys on days 14, 28, and 42. The results showed that FB1 can induce oxidative stress through NXR response and disorder of the CYP450s system, leading to mitochondrial dysfunction and ER stress, promoting the expression of inflammatory factors (including IL-1β, IL-6, and IL-8) and causing kidney damage. This study elucidated the possible molecular mechanism by which FB1 induces nephrotoxicity in young quails.
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Affiliation(s)
- Jinhong Li
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, People's Republic of China
| | - Mingzhan Zhu
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, People's Republic of China
| | - Runxi Xian
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, People's Republic of China
| | - Siqiu Chen
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, People's Republic of China
| | - Qian Zang
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, People's Republic of China
| | - Huquan Zhu
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, People's Republic of China
| | - Changyu Cao
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, People's Republic of China.
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Ma P, Liu E, Zhang Z, Li T, Zhou Z, Yao W, Chen J, Wu J, Xu Y, Zhang H. Genetic variation in ZmWAX2 confers maize resistance to Fusarium verticillioides. PLANT BIOTECHNOLOGY JOURNAL 2023; 21:1812-1826. [PMID: 37293701 PMCID: PMC10440989 DOI: 10.1111/pbi.14093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 03/16/2023] [Accepted: 05/19/2023] [Indexed: 06/10/2023]
Abstract
Fusarium verticillioides (F. verticillioides) is a widely distributed phytopathogen that incites multiple destructive diseases in maize, posing a grave threat to corn yields and quality worldwide. However, there are few reports of resistance genes to F. verticillioides. Here, we reveal that a combination of two single nucleotide polymorphisms (SNPs) corresponding to ZmWAX2 gene associates with quantitative resistance variations to F. verticillioides in maize through a genome-wide association study. A lack of ZmWAX2 compromises maize resistance to F. verticillioides-caused seed rot, seedling blight and stalk rot by reducing cuticular wax deposition, while the transgenic plants overexpressing ZmWAX2 show significantly increased immunity to F. verticillioides. A natural occurrence of two 7-bp deletions within the promoter increases ZmWAX2 transcription, thus enhancing maize resistance to F. verticillioides. Upon Fusarium stalk rot, ZmWAX2 greatly promotes the yield and grain quality of maize. Our studies demonstrate that ZmWAX2 confers multiple disease resistances caused by F. verticillioides and can serve as an important gene target for the development of F. verticillioides-resistant maize varieties.
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Affiliation(s)
- Peipei Ma
- College of Life SciencesHenan Agricultural UniversityZhengzhouChina
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop ScienceHenan Agricultural UniversityZhengzhouChina
| | - Enpeng Liu
- College of Life SciencesHenan Agricultural UniversityZhengzhouChina
| | - Zhirui Zhang
- College of Life SciencesHenan Agricultural UniversityZhengzhouChina
| | - Tao Li
- College of Life SciencesHenan Agricultural UniversityZhengzhouChina
| | - Zijian Zhou
- College of Life SciencesHenan Agricultural UniversityZhengzhouChina
| | - Wen Yao
- College of Life SciencesHenan Agricultural UniversityZhengzhouChina
| | - Jiafa Chen
- College of Life SciencesHenan Agricultural UniversityZhengzhouChina
| | - Jianyu Wu
- College of Life SciencesHenan Agricultural UniversityZhengzhouChina
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop ScienceHenan Agricultural UniversityZhengzhouChina
| | - Yufang Xu
- College of Life SciencesHenan Agricultural UniversityZhengzhouChina
| | - Huiyong Zhang
- College of Life SciencesHenan Agricultural UniversityZhengzhouChina
- College of Agronomy, Synergetic Innovation Center of Henan Grain Crops and National Key Laboratory of Wheat and Maize Crop ScienceHenan Agricultural UniversityZhengzhouChina
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Urugo MM, Teka TA, Berihune RA, Teferi SL, Garbaba CA, Adebo JA, Woldemariam HW, Astatkie T. Novel non-thermal food processing techniques and their mechanism of action in mycotoxins decontamination of foods. INNOV FOOD SCI EMERG 2023. [DOI: 10.1016/j.ifset.2023.103312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
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Juan-García A, Pakkanen H, Juan C, Vehniäinen ER. Alterations in Daphnia magna exposed to enniatin B and beauvericin provide additional value as environmental indicators. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 249:114427. [PMID: 36516623 DOI: 10.1016/j.ecoenv.2022.114427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/08/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
Mycotoxins beauvericin (BEA) and enniatin B (ENN B) affect negatively several systems and demand more studies as the mechanisms are still unclear. The simultaneous presence of contaminants in the environment manifests consequences of exposure for both animals and flora. Daphnia magna is considered an ideal invertebrate to detect effects of toxic compounds and environmental alterations. In this study, the potential toxicity and the basic mechanism of BEA and ENN B individually and combined were studied in D. magna. Acute and delayed toxicity were evaluated, and transcript levels of genes involved in xenobiotic metabolism (mox, gst, abcb1, and abcc5), reproduction, and oxidative stress (vtg-SOD) were analyzed by qPCR. Though no acute toxicity was found, results revealed a spinning around and circular profile of swimming, a strong decrease of survival after 72 h for BEA and ENN B at 16 µM and 6.25 µM, respectively, while for BEA + ENN B [8 + 1.6] µM after 96 h. The amount of mycotoxin remaining in the media revealed that the higher the concentration assayed the higher the amount remaining in the media. Differential regulation of genes suggests that xenobiotic metabolism is affected denoting different effects on transcription for tested mycotoxins. The results provide new insights into the underlying risk assessment of BEA and ENN B not only through food for consumers but also for the environment.
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Affiliation(s)
- Ana Juan-García
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Av. Vicent Andrés Estellés s/n, 46100 Burjassot, València, Spain; Department of Biological and Environmental Science, University of Jyväskylä, Survontie 9C, FI-40014 Jyväskylä, Finland.
| | - Hannu Pakkanen
- Department of Biological and Environmental Science, University of Jyväskylä, Survontie 9C, FI-40014 Jyväskylä, Finland
| | - Cristina Juan
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Av. Vicent Andrés Estellés s/n, 46100 Burjassot, València, Spain
| | - Eeva-Riikka Vehniäinen
- Department of Biological and Environmental Science, University of Jyväskylä, Survontie 9C, FI-40014 Jyväskylä, Finland
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12
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Guerre P, Matard-Mann M, Nyvall Collén P. Targeted sphingolipid analysis in chickens suggests different mechanisms of fumonisin toxicity in kidney, lung, and brain. Food Chem Toxicol 2022; 170:113467. [DOI: 10.1016/j.fct.2022.113467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/16/2022] [Accepted: 10/07/2022] [Indexed: 11/06/2022]
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Guerre P, Gilleron C, Matard-Mann M, Nyvall Collén P. Targeted Sphingolipid Analysis in Heart, Gizzard, and Breast Muscle in Chickens Reveals Possible New Target Organs of Fumonisins. Toxins (Basel) 2022; 14:toxins14120828. [PMID: 36548725 PMCID: PMC9783176 DOI: 10.3390/toxins14120828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 11/19/2022] [Accepted: 11/23/2022] [Indexed: 11/25/2022] Open
Abstract
Alteration of sphingolipid synthesis is a key event in fumonisins toxicity, but only limited data have been reported regarding the effects of fumonisins on the sphingolipidome. Recent studies in chickens found that the changes in sphingolipids in liver, kidney, lung, and brain differed greatly. This study aimed to determine the effects of fumonisins on sphingolipids in heart, gizzard, and breast muscle in chickens fed 20.8 mg FB1 + FB2/kg for 9 days. A significant increase in the sphinganine:sphingosine ratio due to an increase in sphinganine was observed in heart and gizzard. Dihydroceramides and ceramides increased in the hearts of chickens fed fumonisins, but decreased in the gizzard. The dihydrosphingomyelin, sphingomyelin, and glycosylceramide concentrations paralleled those of ceramides, although the effects were less pronounced. In the heart, sphingolipids with fatty acid chain lengths of 20 to 26 carbons were more affected than those with 14-16 carbons; this difference was not observed in the gizzard. Partial least squares-discriminant analysis on sphingolipids in the heart allowed chickens to be divided into two distinct groups according to their diet. The same was the case for the gizzard. Pearson coefficients of correlation among all the sphingolipids assayed revealed strong positive correlations in the hearts of chickens fed fumonisins compared to chickens fed a control diet, as well as compared to gizzard, irrespective of the diet fed. By contrast, no effect of fumonisins was observed on sphingolipids in breast muscle.
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Affiliation(s)
- Philippe Guerre
- National Veterinary School of Toulouse, ENVT, Université de Toulouse, F-31076 Toulouse, France
- Correspondence:
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Fumonisin B Series Mycotoxins' Dose Dependent Effects on the Porcine Hepatic and Pulmonary Phospholipidome. Toxins (Basel) 2022; 14:toxins14110803. [PMID: 36422977 PMCID: PMC9696778 DOI: 10.3390/toxins14110803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/09/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
Male weaned piglets n = 6/group were fed Fumonisin B1+2+3 (FBs) mycotoxins at 0, 15, or 30 mg/kg diet for 3 weeks to assess the fatty acid (FA) composition of membrane lipid classes, lipid peroxidation, and histomorphological changes in the liver and lung. Growth performance and lipid peroxidation were unaltered, but histomorphological lesion scores increased in the liver. Linear dose-response was detected in liver phosphatidylcholines for C16:1n7, C18:1n9, and total monounsaturation and in lungs for C22:6n3, total n-3 and n-3:n-6, in pulmonary phosphatidylserines C20:0 and C24:0. Alterations associated with the highest FBs dose were detected in sphingomyelins (liver: total saturation ↓, total monounsaturation ↑), phosphatidylcholines (liver: total n-6 ↓, n-6:n-3 ↑; in lungs: total monounsaturation ↑, total polyunsaturation ↑), phosphatidylethanolamines (liver: total n-3 ↓; in lungs: total monounsaturation ↑ and n-6:n-3 ↑), phosphatidylserines (liver: n-6:n-3 ↑; in lungs: total saturation ↓, total polyunsatuartion ↑, and total n-6 and its ratio to n-3 ↑), and phosphatidylinositol (n-6:n-3 ↑; lungs: C22:1n9 ↑, C22:6n3 ↓, total saturation ↓, total monounsaturaion ↑). In conclusion, FBs exposures neither impaired growth nor induced substantial lipid peroxidation, but hepatotoxicity was proven with histopathological alterations at the applied exposure period and doses. FA results imply an enzymatic disturbance in FA metabolism, agreeing with earlier findings in rats.
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15
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Ndiaye S, Zhang M, Fall M, Ayessou NM, Zhang Q, Li P. Current Review of Mycotoxin Biodegradation and Bioadsorption: Microorganisms, Mechanisms, and Main Important Applications. Toxins (Basel) 2022; 14:toxins14110729. [PMID: 36355979 PMCID: PMC9694041 DOI: 10.3390/toxins14110729] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/08/2022] [Accepted: 09/28/2022] [Indexed: 01/26/2023] Open
Abstract
Mycotoxins are secondary metabolites produced by fungi. Food/feed contamination by mycotoxins is a great threat to food safety. The contamination can occur along the food chain and can cause many diseases in humans and animals, and it also can cause economic losses. Many detoxification methods, including physical, chemical, and biological techniques, have been established to eliminate mycotoxins in food/feed. The biological method, with mycotoxin detoxification by microorganisms, is reliable, efficient, less costly, and easy to use compared with physical and chemical ones. However, it is important to discover the metabolite's toxicity resulting from mycotoxin biodegradation. These compounds can be less or more toxic than the parent. On the other hand, mechanisms involved in a mycotoxin's biological control remain still unclear. Mostly, there is little information about the method used by microorganisms to control mycotoxins. Therefore, this article presents an overview of the most toxic mycotoxins and the different microorganisms that have a mycotoxin detoxification ability. At the same time, different screening methods for degradation compound elucidation are given. In addition, the review summarizes mechanisms of mycotoxin biodegradation and gives some applications.
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Affiliation(s)
- Seyni Ndiaye
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
- Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Laboratory of Risk Assessment for Oilseeds Products (Wuhan), Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Laboratoire D’Analyses et D’Essai, Ecole Supérieure Polytechnique, Université Cheikh Anta Diop, Fann-Dakar 5085, Senegal
| | - Minhui Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
- Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Laboratory of Risk Assessment for Oilseeds Products (Wuhan), Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
| | - Mouhamed Fall
- Key Laboratory of Agro-Products Processing, Institute of Agro-Products Processing Science and Technology, Chinese Academy of Agricultural Sciences, Ministry of Agriculture, Beijing 100193, China
| | - Nicolas M. Ayessou
- Laboratoire D’Analyses et D’Essai, Ecole Supérieure Polytechnique, Université Cheikh Anta Diop, Fann-Dakar 5085, Senegal
| | - Qi Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
- Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Laboratory of Risk Assessment for Oilseeds Products (Wuhan), Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
- Correspondence: ; Tel.: +86-27-86711839; Fax: +86-27-86812862
| | - Peiwu Li
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China
- Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Laboratory of Risk Assessment for Oilseeds Products (Wuhan), Ministry of Agriculture and Rural Affairs, Wuhan 430062, China
- Hubei Hongshan Laboratory, Wuhan 430070, China
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16
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Ouyang H, Zhu H, Li J, Chen L, Zhang R, Fu Q, Li X, Cao C. Fumonisin B 1 promotes germ cells apoptosis associated with oxidative stress-related Nrf2 signaling in mice testes. Chem Biol Interact 2022; 363:110009. [PMID: 35697133 DOI: 10.1016/j.cbi.2022.110009] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 05/25/2022] [Accepted: 06/01/2022] [Indexed: 12/15/2022]
Abstract
Fumonisins (FBs) are widespread Fusarium toxins commonly found in corn. This study aimed to establish the mechanism of oxidative stress via the Nrf2 signaling pathway associated with FB1-induced toxicity in mice testis. Male mice were fed with 5 mg/kg FB1 diet for 21 or 42 days, the expression of inflammatory related genes, apoptosis related genes and Nrf2 pathway genes were detected by RT-qPCR, Western blot and immunohistochemical. Furthermore, Sertoli cell was treatment with FB1. Cell viability was measured by CCK8 assay, ROS level and apoptosis related genes were detected by immunofluorescence staining. The results showed that FB1 had toxic effects on testis, which could increase the ROS level of Sertoli cells, affect the Keap1-Nrf2 pathway related factors, destroy the oxidative balance of testis, lead to the occurrence of inflammation and the initiation of apoptosis, and finally destroy the testicular tissue structure and affect the formation of sperm.
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Affiliation(s)
- Huimin Ouyang
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Huquan Zhu
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Jinhong Li
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Lina Chen
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Ruofan Zhang
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Qiang Fu
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Xinran Li
- Foshan University Veterinary Teaching Hospital, Foshan 528225, Guangdong Province, China
| | - Changyu Cao
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China.
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17
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Fu Y, Yin S, Zhao C, Fan L, Hu H. Combined toxicity of food-borne mycotoxins and heavy metals or pesticides. Toxicon 2022; 217:148-154. [PMID: 35995097 DOI: 10.1016/j.toxicon.2022.08.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/21/2022] [Accepted: 08/14/2022] [Indexed: 10/15/2022]
Abstract
Food can be contaminated by multiple classes of toxic substances, mainly including mycotoxins, heavy metals and pesticides, which leads to a possibility of simultaneous exposure to two or more food contaminants for humans. Thus, it is necessary to examine whether the combined exposure could result in enhanced toxicity. Initially, the studies on the combined toxicity of food contaminants mainly focus on the mixtures of same classes of food contaminants due to their co-occurrence feature in foodstuffs, such as mixtures of mycotoxins or mixtures of heavy metals. Given the possibility that consumers are likely exposed to mixtures of different classes of food contaminants, recently, studies on the combined toxicity of different classes of food contaminants have been receiving increasing attentions. In this review article, we summarize the findings of combined toxicity studies related to co-exposure to food-borne mycotoxins and other classes of food contaminants mainly heavy metals or pesticides, and propose issues that need to be addressed in future studies for more accurately performing risk assessment of co-exposure to mycotoxins and other classes of food contaminants.
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Affiliation(s)
- Yuhan Fu
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing, 100083, China
| | - Shutao Yin
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing, 100083, China
| | - Chong Zhao
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing, 100083, China
| | - Lihong Fan
- College of Veterinary Medicine, China Agricultural University, No2 Yunamingyuan West Road, Haidian District, Beijing, 100193, China.
| | - Hongbo Hu
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing, 100083, China
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18
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Zhang X, Ye Y, Sun J, Xu Y, Huang Y, Wang JS, Tang L, Ji J, Chen BY, Sun X. Polygonatum sibiricum polysaccharide extract relieves FB1-induced neurotoxicity by reducing oxidative stress and mitochondrial damage in Caenorhabditis elegans. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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19
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Lanubile A, De Michele R, Loi M, Fakhari S, Marocco A, Paciolla C. Cell death induced by mycotoxin fumonisin B 1 is accompanied by oxidative stress and transcriptional modulation in Arabidopsis cell culture. PLANT CELL REPORTS 2022; 41:1733-1750. [PMID: 35751667 PMCID: PMC9304057 DOI: 10.1007/s00299-022-02888-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
Fumonisin B1 induces rapid programmed cell death in Arabidopsis cells, oxidative and nitrosative bursts, and differentially modulates cell death responsive genes. Glutathione is the main antioxidant involved in the stress response. Fumonisin B1 (FB1) is a fungal toxin produced by Fusarium spp. able to exert pleiotropic toxicity in plants. FB1 is known to be a strong inducer of the programmed cell death (PCD); however, the exact mechanism underling the plant-toxin interactions and the molecular events that lead to PCD are still unclear. Therefore, in this work, we provided a comprehensive investigation of the response of the model organism Arabidopsis thaliana at the nuclear, transcriptional, and biochemical level after the treatment with FB1 at two different concentrations, namely 1 and 5 µM during a time-course of 96 h. FB1 induced oxidative and nitrosative bursts and a rapid cell death in Arabidopsis cell cultures, which resembled a HR-like PCD event. Different genes involved in the regulation of PCD, antioxidant metabolism, photosynthesis, pathogenesis, and sugar transport were upregulated, especially during the late treatment time and with higher FB1 concentration. Among the antioxidant enzymes and compounds studied, only glutathione appeared to be highly induced in both treatments, suggesting that it might be an important stress molecule induced during FB1 exposure. Collectively, these findings highlight the complexity of the signaling network of A. thaliana and provide information for the understanding of the physiological, molecular, and biochemical responses to counteract FB1-induced toxicity.
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Affiliation(s)
- Alessandra Lanubile
- Department of Sustainable Crop Production, Università Cattolica del Sacro Cuore, via Emilia Parmense 84, 29122, Piacenza, Italy
| | - Roberto De Michele
- Institute of Biosciences and Bioresources, National Research Council of Italy, corso Calatafimi 414, 90129, Palermo, Italy.
| | - Martina Loi
- Institute of Sciences of Food Production, National Research Council of Italy, via Amendola 122/0, 70126, Bari, Italy
| | - Safieh Fakhari
- Institute of Biosciences and Bioresources, National Research Council of Italy, corso Calatafimi 414, 90129, Palermo, Italy
| | - Adriano Marocco
- Department of Sustainable Crop Production, Università Cattolica del Sacro Cuore, via Emilia Parmense 84, 29122, Piacenza, Italy
| | - Costantino Paciolla
- Department of Biology, Università degli Studi di Bari Aldo Moro, via E. Orabona 4, 70125, Bari, Italy.
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20
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Zhang X, Ye Y, Sun J, Wang JS, Tang L, Xu Y, Ji J, Sun X. Abnormal neurotransmission of GABA and serotonin in Caenorhabditis elegans induced by Fumonisin B1. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 304:119141. [PMID: 35301029 DOI: 10.1016/j.envpol.2022.119141] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/07/2022] [Accepted: 03/11/2022] [Indexed: 06/14/2023]
Abstract
Fumonisin B1 (FB1) is a neurodegenerative mycotoxin synthesized by Fusarium spp., but the potential neurobehavioral toxicity effects in organisms have not been characterized clearly. Caenorhabditis elegans (C. elegans) has emerged as a promising model organism for neurotoxicological studies due to characteristics such as well-functioning nervous system and rich behavioral phenotypes. To investigate whether FB1 has neurobehavioral toxicity effects on C. elegans, the motor behavior, neuronal structure, neurotransmitter content, and gene expression related with neurotransmission of C. elegans were determined after exposed to 20-200 μg/mL FB1 for 24 h and 48 h, respectively. Results showed that FB1 caused behavioral defects, including body bends, head thrashes, crawling distance, mean speed, mean amplitude, mean wavelength, foraging behavior, and chemotaxis learning ability in a dose-, and time-dependent manner. In addition, when C. elegans was exposed to FB1 at a concentration of 200 μg/mL for 24 h and above 100 μg/mL for 48 h, the GABAergic and serotonergic neurons were damaged, but no effect on dopaminergic, glutamatergic, and cholinergic neurons. The relative content of GABA and serotonin decreased significantly. Furthermore, abnormal expression of mRNA levels associated with GABA and serotonin were found in nematodes treated with FB1, such as unc-30, unc-47, unc-49, exp-1, mod-5, cat-1, and tph-1. The neurobehavioral toxicity effect of FB1 may be mediated by abnormal neurotransmission of GABA and serotonin. This study provides useful information for understanding the neurotoxicity of FB1.
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Affiliation(s)
- Xiaojuan Zhang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, PR China
| | - Yongli Ye
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, PR China
| | - Jiadi Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, PR China
| | - Jia-Sheng Wang
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA, USA
| | - Lili Tang
- Department of Environmental Health Science, College of Public Health, University of Georgia, Athens, GA, USA
| | - Yida Xu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, PR China
| | - Jian Ji
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, PR China
| | - Xiulan Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi, Jiangsu, 214122, PR China.
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21
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Zhao S, Zhang J, Sun X, Yangzom C, Shang P. Mitochondrial calcium uniporter involved in foodborne mycotoxin-induced hepatotoxicity. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 237:113535. [PMID: 35461028 DOI: 10.1016/j.ecoenv.2022.113535] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/28/2022] [Accepted: 04/14/2022] [Indexed: 06/14/2023]
Abstract
Foodborne mycotoxins are toxic metabolites that are produced by fungi. The widespread contamination of food and its by-products by mycotoxins is a global food safety problem that potentially threatens public health and other exposed animals. Most foodborne mycotoxins induce hepatotoxicity. However, only few studies have investigated the regulatory mechanisms of mitochondrial calcium transport monomers in mycotoxin-induced hepatotoxicity. Therefore, according to relevant studies and reports, this review suggests that intracellular Ca(2 +) homeostasis and mitochondrial Ca(2 +) uniporter are involved in the regulation of mycotoxin-induced hepatotoxicity. This review provides some ideas for future research involving mitochondrial Ca(2 +) uniporter in the molecular targets of mycotoxin-induced hepatotoxicity, as well as a reference for the research and development of related drugs and the treatment of related diseases.
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Affiliation(s)
- Shunwang Zhao
- College of Animal Science, Tibet Agriculture and Animal Husbandry College, Linzhi, Tibet, People's Republic of China; The Provincial and Ministerial co-founded collaborative innovation center for R & D in Tibet characteristic Agricultural and Animal Husbandry resources, People's Republic of China
| | - Jian Zhang
- College of Animal Science, Tibet Agriculture and Animal Husbandry College, Linzhi, Tibet, People's Republic of China; The Provincial and Ministerial co-founded collaborative innovation center for R & D in Tibet characteristic Agricultural and Animal Husbandry resources, People's Republic of China
| | - Xueqian Sun
- College of Animal Science, Tibet Agriculture and Animal Husbandry College, Linzhi, Tibet, People's Republic of China; The Provincial and Ministerial co-founded collaborative innovation center for R & D in Tibet characteristic Agricultural and Animal Husbandry resources, People's Republic of China
| | - Chamba Yangzom
- College of Animal Science, Tibet Agriculture and Animal Husbandry College, Linzhi, Tibet, People's Republic of China; The Provincial and Ministerial co-founded collaborative innovation center for R & D in Tibet characteristic Agricultural and Animal Husbandry resources, People's Republic of China
| | - Peng Shang
- College of Animal Science, Tibet Agriculture and Animal Husbandry College, Linzhi, Tibet, People's Republic of China; The Provincial and Ministerial co-founded collaborative innovation center for R & D in Tibet characteristic Agricultural and Animal Husbandry resources, People's Republic of China.
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22
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Guerre P, Travel A, Tardieu D. Targeted Analysis of Sphingolipids in Turkeys Fed Fusariotoxins: First Evidence of Key Changes That Could Help Explain Their Relative Resistance to Fumonisin Toxicity. Int J Mol Sci 2022; 23:2512. [PMID: 35269655 PMCID: PMC8910753 DOI: 10.3390/ijms23052512] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 02/01/2023] Open
Abstract
The effects of fumonisins on sphingolipids in turkeys are unknown, except for the increased sphinganine to sphingosine ratio (Sa:So) used as a biomarker. Fumonisins fed at 20.2 mg/kg for 14 days were responsible for a 4.4 fold increase in the Sa:So ratio and a decrease of 33% and 36% in C14-C16 ceramides and C14-C16 sphingomyelins, respectively, whereas C18-C26 ceramides and C18-C26 sphingomyelins remained unaffected or were increased. Glucosyl- and lactosyl-ceramides paralleled the concentrations of ceramides. Fumonisins also increased dihydroceramides but had no effect on deoxysphinganine. A partial least squfares discriminant analysis revealed that all changes in sphingolipids were important in explaining the effect of fumonisins. Because deoxynivalenol and zearalenone are often found in feed, their effects on sphingolipids alone and in combination with fumonisins were investigated. Feeding 5.12 mg deoxynivalenol/kg reduced dihydroceramides in the liver. Zearalenone fed at 0.47 mg/kg had no effect on sphingolipids. When fusariotoxins were fed simultaneously, the effects on sphingolipids were similar to those observed in turkeys fed fumonisins alone. The concentration of fumonisin B1 in the liver of turkeys fed fumonisins was 0.06 µmol/kg. Changes in sphingolipid concentrations differed but were consistent with the IC50 of fumonisin B1 measured in mammals; these changes could explain the relative resistance of turkeys to fumonisins.
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Affiliation(s)
- Philippe Guerre
- National Veterinary School of Toulouse, ENVT, Université de Toulouse, F-31076 Toulouse, France
| | | | - Didier Tardieu
- National Veterinary School of Toulouse, ENVT, Université de Toulouse, F-31076 Toulouse, France
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23
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Effects of Fumonisin B and Hydrolyzed Fumonisin B on Growth and Intestinal Microbiota in Broilers. Toxins (Basel) 2022; 14:toxins14030163. [PMID: 35324660 PMCID: PMC8954478 DOI: 10.3390/toxins14030163] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/18/2022] [Accepted: 02/21/2022] [Indexed: 02/01/2023] Open
Abstract
Fumonisins are mainly produced by Fusarium verticillioides and proliferatum, which causes a variety of toxicities in humans and animals, including fumonisin Bs (FBs) as the main form. After they are metabolized by plants or microorganisms, modified fumonisins are difficult to detect by conventional methods, which result in an underestimation of their contamination level. Fumonisins widely contaminate maize and maize products, especially in broiler feed. As an economically important food, broilers are often adversely affected by mycotoxins, leading to food safety hazards and high economic losses. However, there are few studies regarding the adverse effects of FBs on broiler growth and health, especially modified FBs. Our data shows that after exposure to FBs or hydrolyzed fumonisin Bs (HFBs), the body weight and tissue weight of broilers decreased significantly, especially the testes. Moreover, they significantly affect the intestinal microbiota and the relative abundance of bacteria from phylum-to-species levels, with the differentially affected bacteria mainly belonging to Firmicutes and Proteobacteria. Our findings suggest that both the parent and hydrolyzed FBs could induce growth retardation, tissue damage and the imbalance of intestinal microbiota in broilers. This indicated that the harmful effects of HFBs cannot be ignored during food safety risk assessment.
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Buslyk TV, Rosalovsky VP, Salyha YT. PCR-Based Detection and Quantification of Mycotoxin-Producing Fungi. CYTOL GENET+ 2022. [DOI: 10.3103/s0095452722010042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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25
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Li W, He Y, Zhao H, Peng L, Li J, Rui R, Ju S. Grape Seed Proanthocyanidin Ameliorates FB 1-Induced Meiotic Defects in Porcine Oocytes. Toxins (Basel) 2021; 13:toxins13120841. [PMID: 34941679 PMCID: PMC8706835 DOI: 10.3390/toxins13120841] [Citation(s) in RCA: 3] [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: 10/26/2021] [Revised: 11/16/2021] [Accepted: 11/24/2021] [Indexed: 01/17/2023] Open
Abstract
Fumonisin B1 (FB1), as the most prevalent and toxic fumonisin, poses a health threat to humans and animals. The cytotoxicity of FB1 is closely related to oxidative stress and apoptosis. The purpose of this study is to explore whether Grape seed proanthocyanidin (GSP), a natural antioxidant, could alleviate the meiotic maturation defects of oocytes caused by FB1 exposure. Porcine cumulus oocyte complexes (COCs) were treated with 30 μM FB1 alone or cotreated with 100, 200 and 300 μM GSP during in vitro maturation for 44 h. The results show that 200 μM GSP cotreatment observably ameliorated the toxic effects of FB1 exposure, showing to be promoting first polar body extrusion and improving the subsequent cleavage rate and blastocyst development rate. Moreover, 200 μM GSP cotreatment restored cell cycle progression, reduced the proportion of aberrant spindles, improved actin distribution and protected mitochondrial function in FB1-exposed oocytes. Furthermore, reactive oxygen species (ROS) generation was significantly decreased and the mRNA levels of CAT, SOD2 and GSH-PX were obviously increased in the 200 μM GSP cotreatment group. Notably, the incidence of early apoptosis and autophagy level were also significantly decreased after GSP cotreatment and the mRNA expression levels of BAX, CASPASE3, LC3 and ATG5 were markedly decreased, whereas BCL2 and mTOR were observably increased in the oocytes after GSP cotreatment. Together, these results indicate that GSP could exert significant preventive effects on FB1-induced oocyte defects by ameliorating oxidative stress through repairing mitochondrial dysfunction.
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Song Y, Liu W, Zhao Y, Zang J, Gao H. Fumonisin B1 exposure induces apoptosis of human kidney tubular epithelial cells through regulating PTEN/PI3K/AKT signaling pathway via disrupting lipid raft formation. Toxicon 2021; 204:31-36. [PMID: 34740561 DOI: 10.1016/j.toxicon.2021.10.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 10/18/2021] [Accepted: 10/26/2021] [Indexed: 12/12/2022]
Abstract
Fumonisin B1 (FB1) is a fungal metabolite that causes a variety of toxicological effects to human and animals. In this study, we aimed to investigate the effects of FB1 on kidney injury and clarify the possible mechanism. Human kidney tubular epithelial cells (HK-2) were treated with FB1 for different concentrations. The results demonstrated that FB1 could suppress the viability of HK-2 cells. FB1 could lead to the apoptosis of HK-2 cells in a dose-dependent manner. Furthermore, treatment of FB1 could induce the production of ROS and MDA. And the levels of SOD and GSH were decreased by FB1. The expression of Caspase-3 and Bax increased markedly and BCL2 expression was decreased by FB1 treatment. In addition, FB1 treatment could up-regulate PTEN expression and down-regulate PI3K and AKT expression. Also, FB1 could disrupt lipid raft by decreasing sphingomyelin level. In conclusion, FB1 exposure induces apoptosis of HK-2 cells through regulating PTEN/PI3K/AKT signaling pathway via disrupting lipid raft formation.
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Affiliation(s)
- Yanyan Song
- Department of Nephrology, The Second Hospital of Jilin University, Changchun, 130021, China
| | - Wei Liu
- Department of Spinal Surgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Yao Zhao
- Department of Bone and Joint Surgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Junting Zang
- Department of Bone and Joint Surgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Hang Gao
- Department of Bone and Joint Surgery, The First Hospital of Jilin University, Changchun, 130021, China.
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Strong Alterations in the Sphingolipid Profile of Chickens Fed a Dose of Fumonisins Considered Safe. Toxins (Basel) 2021; 13:toxins13110770. [PMID: 34822554 PMCID: PMC8619408 DOI: 10.3390/toxins13110770] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 10/26/2021] [Accepted: 10/29/2021] [Indexed: 01/11/2023] Open
Abstract
Fumonisins (FB) are mycotoxins known to exert most of their toxicity by blocking ceramide synthase, resulting in disruption of sphingolipid metabolism. Although the effects of FB on sphinganine (Sa) and sphingosine (So) are well documented in poultry, little information is available on their other effects on sphingolipids. The objective of this study was to analyze the effects of FB on the hepatic and plasma sphingolipidome in chickens. The first concern of this analysis was to clarify the effects of FB on hepatic sphingolipid levels, whose variations can lead to numerous toxic manifestations. The second was to specify the possible use of an alteration of the sphingolipidome as a biomarker of exposure to FB, in addition to the measurement of the Sa:So ratio already widely used. For this purpose, we developed an UHPLC MS/MS method that enabled the determination of 82 SL, including 10 internal standards, in chicken liver and plasma. The validated method was used to measure the effects of FB administered to chickens at a dose close to 20 mg FB1 + FB2/kg feed for 9 days. Significant alterations of sphingoid bases, ceramides, dihydroceramides, glycosylceramides, sphingomyelins and dihydrosphingomyelins were observed in the liver. In addition, significant increases in plasma sphinganine 1-phosphate, sphingosine 1-phosphate and sphingomyelins were observed in plasma. Interestingly, partial least-squares discriminant analysis of 11 SL in plasma made it possible to discriminate exposed chickens from control chickens, whereas analysis of Sa and So alone revealed no difference. In conclusion, our results show that the effects of FB in chickens are complex, and that SL profiling enables the detection of exposure to FB when Sa and So fail.
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Wang Y, Xu Y, Ju JQ, Liu JC, Sun SC. Fumonisin B1 exposure deteriorates oocyte quality by inducing organelle dysfunction and DNA damage in mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 223:112598. [PMID: 34388657 DOI: 10.1016/j.ecoenv.2021.112598] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/29/2021] [Accepted: 08/01/2021] [Indexed: 06/13/2023]
Abstract
Oocyte quality is critical for fertilization and early embryo development. Fumonisin B1 (FB1) is a Fusarium mycotoxin and it is commonly found in contaminated food and feedstuff, posing a potential health hazard to both animals and human. FB1 is reported to have hepatotoxicity, neurotoxicity, nephrotoxicity, immunotoxicity and embryotoxicity. However, the effects of FB1 on mouse oocyte quality are still unknown. Here, we explored the toxic effects and potential mechanisms of FB1 on oocyte maturation quality in mice. FB1 exposure inhibited the first polar body extrusion at concentrations of 30 μM and 50 μM, which further induced oocyte meiotic arrest. Besides, disrupted spindle structure was found in oocytes after FB1 exposure. Our results also showed that FB1 exposure impaired mitochondria dysfunction, which further induced oxidative stress and early apoptosis. In addition, we reported that FB1 exposure induced the accumulation of lysosome and occurrence of autophagy. Aberrant ER distribution and ER stress were also found in FB1-exposed oocytes. Moreover, DNA damage was also observed. These results together suggested that FB1 exposure affected oocyte quality by destroying spindle structure, leading to mitochondria, lysosome and ER dysfunction, which further induced oxidative stress, apoptosis, autophagy and DNA damage in mouse oocytes.
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Affiliation(s)
- Yue Wang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Yao Xu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jia-Qian Ju
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jing-Cai Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Shao-Chen Sun
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
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29
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Sphingolipids in foodstuff: Compositions, distribution, digestion, metabolism and health effects - A comprehensive review. Food Res Int 2021; 147:110566. [PMID: 34399542 DOI: 10.1016/j.foodres.2021.110566] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 06/25/2021] [Accepted: 06/27/2021] [Indexed: 12/26/2022]
Abstract
Sphingolipids (SLs) are common in all eukaryotes, prokaryotes, and viruses, and played a vital role in human health. They are involved in physiological processes, including intracellular transport, cell division, and signal transduction. However, there are limited reviews on dietary effects on endogenous SLs metabolism and further on human health. Various dietary conditions, including the SLs-enriched diet, high-fat diet, and vitamins, can change the level of endogenous SLs metabolites and even affect human health. This review systematically summarizes the main known SLs in foods concerning their variety and contents, as well as their isolation and identification approaches. Moreover, the present review discusses the role of dietary (particularly SLs-enriched diet, high-fat diet, and vitamins) in endogenous SLs metabolism, highlighting how exogenous SLs are digested and absorbed. The role of SLs family in the pathogenesis of diseases, including cancers, neurological disorders, infectious and inflammatory diseases, and cardiovascular diseases, and in recently coronavirus disease-19 outbreak was also discussed. In the post-epidemic era, we believe that the concern for health and the need for plant-based products will increase. Therefore, a need for research on the absorption and metabolism pathway of SLs (especially plant-derived SLs) and their bioavailability is necessary. Moreover, the effects of storage treatment and processing on the content and composition of SLs in food are worth exploring. Further studies should also be conducted on the dose-response of SLs on human health to support the development of SLs supplements. More importantly, new approaches, such as, making SLs based hydrogels can effectively achieve sustained release and targeted therapies.
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Liu X, Yin S, Zhao C, Fan L, Hu H. Glycyrol alleviates the combined toxicity of fumonisin B1 and cadmium in vitro and in vivo. Toxicon 2021; 200:165-172. [PMID: 34343521 DOI: 10.1016/j.toxicon.2021.07.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 07/26/2021] [Accepted: 07/29/2021] [Indexed: 11/18/2022]
Abstract
Fumonisin B1 (FB1) is a major food-borne mycotoxin commonly found in maize and maize-based products, while cadmium is one of the most common toxic heavy metals found in food, particularly in wheat and rice. Given the possibility of co-exposure to FB1 and cadmium for consumers, we elevated combined toxicity of FB1 and cadmium using both in vitro and in vivo models. Acute toxicity setting was employed in the present study. Mouse embryonic fibroblast (MEF) and human L02 liver cells were used to determine the in vitro cytotoxicity, while C57BL/6 N mice were used to assess the in vivo toxicity. Results showed that treatment with combination of FB1 (15, 20, 25, 30, 35 μM) and cadmium (3, 4, 5, 6, 7 μM) for 24 h led to synergistic cytotoxicity in vitro, and acute treatment with the combination of FB1/cadmium (1.5 mg/kg/60 mg/kg) for 5 days increased liver damage in vivo. Mechanistically, the combined toxicity was associated with elevated activation of IRE1α-JNK pathway. Glycyrol, a representative coumarin compound isolated from licorice, was able to reduce the combination-induced toxicity both in vitro and in vivo through suppression of IRE1α-JNK axis. The combined toxicity of FB1/cadmium should be taken into consideration for performing human health risk assessment of FB1/cadmium exposure.
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Affiliation(s)
- Xiaoyi Liu
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing, 100083, China
| | - Shutao Yin
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing, 100083, China
| | - Chong Zhao
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing, 100083, China
| | - Lihong Fan
- College of Veterinary Medicine, China Agricultural University No2 Yunamingyuan West Road, Haidian District, Beijing, 100193, China.
| | - Hongbo Hu
- College of Food Science and Nutritional Engineering, China Agricultural University, No.17 Qinghua East Road, Haidian District, Beijing, 100083, China.
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Paul S, Jakhar R, Bhardwaj M, Chauhan AK, Kang SC. Fumonisin B1 induces poly (ADP-ribose) (PAR) polymer-mediated cell death (parthanatos) in neuroblastoma. Food Chem Toxicol 2021; 154:112326. [PMID: 34111490 DOI: 10.1016/j.fct.2021.112326] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 12/25/2022]
Abstract
Fumonisin B1 (FB1) is a well-known mycotoxin produced by Fusarium spp. and has a wide range of dose-dependent toxic effects, including nephrotoxicity, hepatotoxicity, and neurotoxicity. This research illustrated that FB1 exerts its toxicity in the neuroblastoma cell line through a distinct cell-death pathway called parthanatos. FB1 can cause excessive DNA strand breaks, leading to poly (ADP-ribose) polymerase-1 (PARP-1) overactivation and cell death. In this study, we used 50 μM FB1-treated SH-SY5Y neuroblastoma cells to elucidate the signaling pathway of FB1-induced parthanatos. We observed that FB1-induced cell death is caspase-independent and accompanied by rapid activation of PARP-1, c-Jun N-terminal kinase activation, reactive oxygen species (ROS) generation, and intracellular calcium increase. FB1 treatment also increased endoplasmic reticulum stress due to the rapid increase of calcium ions and ROS levels. In addition, FB1 induced massive DNA damage and chromatin decondensation. We also observed that apoptosis-inducing factor nuclear translocation and PAR accumulation were associated with the necroptosis signal.
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Affiliation(s)
- Souren Paul
- The Hormel Institute, University of Minnesota, 801 16th Ave NE, Austin, MN, 55912, USA; Department of Biotechnology, Daegu University, Kyoungsan, Kyoungbook, 38453, Republic of Korea
| | - Rekha Jakhar
- Department of Biotechnology, Daegu University, Kyoungsan, Kyoungbook, 38453, Republic of Korea
| | - Monika Bhardwaj
- Department of Biotechnology, Daegu University, Kyoungsan, Kyoungbook, 38453, Republic of Korea
| | - Anil Kumar Chauhan
- Department of Biotechnology, Daegu University, Kyoungsan, Kyoungbook, 38453, Republic of Korea
| | - Sun Chul Kang
- Department of Biotechnology, Daegu University, Kyoungsan, Kyoungbook, 38453, Republic of Korea.
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Szabó A, Nagy S, Ali O, Gerencsér Z, Mézes M, Balogh KM, Bartók T, Horváth L, Mouhanna A, Kovács M. A 65-Day Fumonisin B Exposure at High Dietary Levels Has Negligible Effects on the Testicular and Spermatological Parameters of Adult Rabbit Bucks. Toxins (Basel) 2021; 13:toxins13040237. [PMID: 33806221 PMCID: PMC8066801 DOI: 10.3390/toxins13040237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 01/06/2023] Open
Abstract
A 65-day study was undertaken to test the effects of two doses (10 and 20 mg/kg) of dietary fumonisin Bs (FB) on the rabbit male reproduction system. Body and testicular weight was not affected by the intoxication, neither the fatty acid composition of the testicular total phospholipids; the testis histological analysis failed to reveal any toxic effect. The FBs increased the testicular concentration and activity of reduced glutathione and glutathione peroxidase and decreased initial phase lipid peroxidation (conjugated dienes and trienes) in a dose dependent manner. Sperm morphology and chromatin condensation were monitored on Feulgen-stained smears. No significant differences were observed between the treatment groups and between sampling time points. The live cell ratio in the sperm (as assessed with flow cytometry) was not different among groups at any of the five sampling timepoints and was also identical within groups. Similarly, the spermatozoa membrane lipid profile was also identical in all three groups after the total intoxication period. In summary, it was demonstrated that FBs in an unrealistic and unjustified high dose still do not exert any drastic harmful effect on the leporine, male reproduction system, meanwhile slightly augmenting testicular antioxidant response.
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Affiliation(s)
- András Szabó
- MTA-KE-SZIE Mycotoxins in the Food Chain Research Group, Department of Physiology and Animal Health, Institute of Physiology and Nutrition, Kaposvár Campus, Hungarian University of Agriculture and Life Sciences, Guba S. u. 40., 7400 Kaposvár, Hungary;
- Department of Physiology and Animal Health, Institute of Physiology and Nutrition, Kaposvár Campus, Hungarian University of Agriculture and Life Sciences, Guba S. u. 40., 7400 Kaposvár, Hungary; (O.A.); (A.M.)
- Correspondence:
| | - Szabolcs Nagy
- Department of Precision Livestock Farming and Animal Biotechnics, Institute of Animal Sciences, Georgikon Campus, Hungarian University of Agriculture and Life Sciences, Deák F. u. 16., 8360 Keszthely, Hungary;
| | - Omeralfaroug Ali
- Department of Physiology and Animal Health, Institute of Physiology and Nutrition, Kaposvár Campus, Hungarian University of Agriculture and Life Sciences, Guba S. u. 40., 7400 Kaposvár, Hungary; (O.A.); (A.M.)
| | - Zsolt Gerencsér
- Department of Animal Breeding, Institute of Animal Sciences, Kaposvár Campus, Hungarian University of Agriculture and Life Sciences, Guba S. u. 40., 7400 Kaposvár, Hungary;
| | - Miklós Mézes
- Department of Feed Toxicology, Institute of Physiology and Nutrition, Gödöllő Campus, Hungarian University of Agriculture and Life Sciences, Páter K. u. 1., 2053 Gödöllő, Hungary; (M.M.); (K.M.B.)
| | - Krisztián Milán Balogh
- Department of Feed Toxicology, Institute of Physiology and Nutrition, Gödöllő Campus, Hungarian University of Agriculture and Life Sciences, Páter K. u. 1., 2053 Gödöllő, Hungary; (M.M.); (K.M.B.)
| | - Tibor Bartók
- Fumizol Ltd., Kisfaludy u. 6/b, 6725 Szeged, Hungary; (T.B.); (L.H.)
| | - Levente Horváth
- Fumizol Ltd., Kisfaludy u. 6/b, 6725 Szeged, Hungary; (T.B.); (L.H.)
| | - Aziz Mouhanna
- Department of Physiology and Animal Health, Institute of Physiology and Nutrition, Kaposvár Campus, Hungarian University of Agriculture and Life Sciences, Guba S. u. 40., 7400 Kaposvár, Hungary; (O.A.); (A.M.)
| | - Melinda Kovács
- MTA-KE-SZIE Mycotoxins in the Food Chain Research Group, Department of Physiology and Animal Health, Institute of Physiology and Nutrition, Kaposvár Campus, Hungarian University of Agriculture and Life Sciences, Guba S. u. 40., 7400 Kaposvár, Hungary;
- Department of Physiology and Animal Health, Institute of Physiology and Nutrition, Kaposvár Campus, Hungarian University of Agriculture and Life Sciences, Guba S. u. 40., 7400 Kaposvár, Hungary; (O.A.); (A.M.)
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Mirón-Mérida VA, Gong YY, Goycoolea FM. Aptamer-based detection of fumonisin B1: A critical review. Anal Chim Acta 2021; 1160:338395. [PMID: 33894965 DOI: 10.1016/j.aca.2021.338395] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/02/2021] [Accepted: 03/05/2021] [Indexed: 01/07/2023]
Abstract
Mycotoxin contamination is a current issue affecting several crops and processed products worldwide. Among the diverse mycotoxin group, fumonisin B1 (FB1) has become a relevant compound because of its adverse effects in the food chain. Conventional analytical methods previously proposed to quantify FB1 comprise LC-MS, HPLC-FLD and ELISA, while novel approaches integrate different sensing platforms and fluorescently labelled agents in combination with antibodies. Nevertheless, such methods could be expensive, time-consuming and require experience. Aptamers (ssDNA) are promising alternatives to overcome some of the drawbacks of conventional analytical methods, their high affinity through specific aptamer-target binding has been exploited in various designs attaining favorable limits of detection (LOD). So far, two aptamers specific to FB1 have been reported, and their modified and shortened sequences have been explored for a successful target quantification. In this critical review spanning the last eight years, we have conducted a systematic comparison based on principal component analysis of the aptamer-based techniques for FB1, compared with chromatographic, immunological and other analytical methods. We have also conducted an in-silico prediction of the folded structure of both aptamers under their reported conditions. The potential of aptasensors for the future development of highly sensitive FB1 testing methods is emphasized.
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Affiliation(s)
| | - Yun Yun Gong
- School of Food Science and Nutrition, University of Leeds, Leeds, LS2 9JT, United Kingdom.
| | - Francisco M Goycoolea
- School of Food Science and Nutrition, University of Leeds, Leeds, LS2 9JT, United Kingdom.
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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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35
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Hou L, Yuan X, Le G, Lin Z, Gan F, Li H, Huang K. Fumonisin B1 induces nephrotoxicity via autophagy mediated by mTORC1 instead of mTORC2 in human renal tubule epithelial cells. Food Chem Toxicol 2021; 149:112037. [PMID: 33548371 DOI: 10.1016/j.fct.2021.112037] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 01/12/2021] [Accepted: 01/29/2021] [Indexed: 02/07/2023]
Abstract
Fumonisin B1 (FB1), a worldwide contaminating mycotoxin, can cause global food issue. It has been reported that FB1 is related to chronic kidney disease of unknown etiology. However, the study of FB1-induced nephrotoxicity in vitro is very limited and the mechanism is unknown. Human renal tubule epithelial (HK-2) cells were used in this study. The results showed that FB1 exposure could decrease cell viability, induce cell apoptosis and up-regulate the expression of Kim-1, collagen I, α-SMA and TGF-β1. In addition, autophagy was activated after FB1 exposure, including the conversion of LC3 and up-regulation of ATGs. Furthermore, autophagy inhibitor 3-MA could block FB1-induced abnormalities. And antioxidant enzymes (Gpx1 and Gpx4) were obviously down-regulated and intracellular ROS levels displayed an ascent trend as FB1 exposure concentrations increased. Employing of antioxidant NAC could suppress FB1-induced nephrotoxicity and autophagy. FB1 inhibited the phosphorylation of p70 S6k, a downstream protein of mTORC1. Also, oxidative stress, autophagy and phosphorylation of p70 S6k induced by FB1 was inhibited by MHY1485, an activator of mTOR. But the phosphorylation of AKT, a downstream protein of mTORC2 showed no change with or without MHY1485. Taken together, FB1 induced nephrotoxicity via autophagy mediated by mTORC1 instead of mTORC2 in HK-2 cells.
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Affiliation(s)
- Lili Hou
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; Institute of Nutritional and Metabolic Disorders in Domestic Animals and Fowls, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China
| | - Xin Yuan
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; Institute of Nutritional and Metabolic Disorders in Domestic Animals and Fowls, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China
| | - Guannan Le
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; Institute of Nutritional and Metabolic Disorders in Domestic Animals and Fowls, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China
| | - Ziman Lin
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; Institute of Nutritional and Metabolic Disorders in Domestic Animals and Fowls, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China
| | - Fang Gan
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; Institute of Nutritional and Metabolic Disorders in Domestic Animals and Fowls, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China
| | - Haolei Li
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; Institute of Nutritional and Metabolic Disorders in Domestic Animals and Fowls, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China
| | - Kehe Huang
- College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; Institute of Nutritional and Metabolic Disorders in Domestic Animals and Fowls, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China; MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu Province, 210095, China.
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Fumonisin B 1 alters global m6A RNA methylation and epigenetically regulates Keap1-Nrf2 signaling in human hepatoma (HepG2) cells. Arch Toxicol 2021; 95:1367-1378. [PMID: 33496827 DOI: 10.1007/s00204-021-02986-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 01/14/2021] [Indexed: 12/29/2022]
Abstract
FB1 is a common contaminant of cereal grains that affects human and animal health. It has become increasingly evident that epigenetic changes are implicated in FB1 toxicity. N6-methyladenosine (m6A), the most abundant post-transcriptional RNA modification, is influenced by fluctuations in redox status. Since oxidative stress is a characteristic of FB1 exposure, we determined if there is cross-talk between oxidative stress and m6A in FB1-exposed HepG2 cells. Briefly, HepG2 cells were treated with FB1 (0, 5, 50, 100, 200 µM; 24 h) and ROS, LDH and m6A levels were quantified. qPCR was used to determine the expression of m6A modulators, Nrf2, Keap1 and miR-27b, while western blotting was used to quantify Keap1 and Nrf2 protein expression. Methylation status of Keap1 and Nrf2 promoters was assessed and RNA immunoprecipitation quantified m6A-Keap1 and m6A-Nrf2 levels. FB1 induced accumulation of intracellular ROS (p ≤ 0.001) and LDH leakage (p ≤ 0.001). Elevated m6A levels (p ≤ 0.05) were accompanied by an increase in m6A "writers" [METLL3 (p ≤ 0.01) and METLL14 (p ≤ 0.01)], and "readers" [YTHDF1 (p ≤ 0.01), YTHDF2 (p ≤ 0.01), YTHDF3 (p ≤ 0.001) and YTHDC2 (p ≤ 0.01)] and a decrease in m6A "erasers" [ALKBH5 (p ≤ 0.001) and FTO (p ≤ 0.001)]. Hypermethylation and hypomethylation occurred at Keap1 (p ≤ 0.001) and Nrf2 (p ≤ 0.001) promoters, respectively. MiR-27b was reduced (p ≤ 0.001); however, m6A-Keap1 (p ≤ 0.05) and m6A-Nrf2 (p ≤ 0.01) levels were upregulated. This resulted in the ultimate decrease in Keap1 (p ≤ 0.001) and increase in Nrf2 (p ≤ 0.001) expression. Our findings reveal that m6A RNA methylation can be modified by exposure to FB1, and a cross-talk between m6A and redox regulators does occur.
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Li W, Zhao H, Zhuang R, Wang Y, Cao W, He Y, Jiang Y, Rui R, Ju S. Fumonisin B 1 exposure adversely affects porcine oocyte maturation in vitro by inducing mitochondrial dysfunction and oxidative stress. Theriogenology 2021; 164:1-11. [PMID: 33529806 DOI: 10.1016/j.theriogenology.2021.01.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/08/2021] [Accepted: 01/16/2021] [Indexed: 12/17/2022]
Abstract
Fumonisin B1 (FB1), as the most toxic fumonisin, is a common Fusarium mycotoxin contaminant of feed stuff and food, posing a potential health hazard to animals and humans. FB1 has been reported to cause hepatotoxicity, neurotoxicity, nephrotoxicity, immunotoxicity and embryotoxicity; however, little information is available on whether FB1 has toxic effects on mammalian oocytes. Herein, we adopted porcine oocytes as models to explore the effects and potential mechanisms of FB1 on mammalian oocytes during in vitro maturation. Porcine cumulus oocyte complexes (COCs) were exposed to 0, 20, 30 and 40 μM FB1 for 44 h during in vitro maturation, and the results reported that first polar body (PB1) extrusion was significantly inhibited when the FB1 concentration reached 30 (P < 0.01) or 40 μM (P < 0.001). Further cell cycle analysis revealed that meiotic progression was disrupted, with a larger proportion of the 30 μM FB1-treated oocytes being arrested at the germinal vesicle breakdown (GVBD) stage (P < 0.01). After being treated with 30 μM FB1 for 28 h, the percentage of oocytes with aberrant spindle assembly was observably increased (P < 0.01), and the distribution of actin filaments on the plasma membrane was significantly reduced (P < 0.05). Furthermore, an observably higher rate of abnormal mitochondrial distribution (P < 0.05) and significantly decreased mitochondrial membrane potential (MMP) (P < 0.05) were observed in FB1-exposed oocytes. In addition, ROS generation in FB1-treated oocytes was rapidly increased (P < 0.05), while the transcriptional levels of antioxidant-related genes (CAT, SOD2 and GSH-Px) were sharply decreased compared with those in the control group. Additionally, the incidence of early apoptosis in FB1-treated oocytes was also significantly increased (P < 0.05), suggesting that FB1 exposure induced oxidative stress and further triggered apoptosis in porcine oocytes. Thus, these results suggested that FB1 adversely affected oocyte maturation by disturbing cell cycle progression, destroying cytoskeletal dynamics and damaging mitochondrial function, which eventually induced oxidative stress and apoptosis in porcine oocytes.
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Affiliation(s)
- Wenhui Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, China
| | - Hongyu Zhao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, China
| | - Ruixue Zhuang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, China
| | - Yang Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, China
| | - Wei Cao
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, China
| | - Yijing He
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, China
| | - Yao Jiang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, China
| | - Rong Rui
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, China
| | - Shiqiang Ju
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, China.
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Chen Z, Zhou L, Yuan Q, Chen H, Lei H, Su J. Effect of fumonisin B 1 on oxidative stress and gene expression alteration of nutrient transporters in porcine intestinal cells. J Biochem Mol Toxicol 2021; 35:e22706. [PMID: 33443779 DOI: 10.1002/jbt.22706] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 12/14/2020] [Accepted: 12/17/2020] [Indexed: 12/15/2022]
Abstract
Fumonisin B1 (FB1 ) is a common environmental mycotoxin produced by molds such as Fusarium verticillioides. The toxin poses health risks to domestic animals, including pigs, through FB1 -contaminanted feed. However, the cytotoxicity of FB1 to porcine intestines has not been fully analyzed. In the present study, the effects of FB1 on oxidative stress and nutrient transporter-associated genes of the porcine intestinal IPEC-J2 cells were explored. FB1 decreased IPEC-J2 proliferation but did not trigger reactive oxygen species (ROS) overproduction. Meanwhile, FB1 reduced the expression levels of the transporters l-type amino acid transporter-1 (y+ LAT1), solute carrier family 7 member 1 (SLC7A1), solute carrier family 1 member 5 (ASCT2), and excitatory amino acid carrier 1 (EAAC1); in addition, FB1 reduced the levels of the fatty acid transporters long-chain fatty acid transport protein 1 (FATP1) and long-chain fatty acid transport protein 4 (FATP4) as well as glucose transporters Na+ /glucose cotransporter 1 (SGLT1) and glucose transporter 2 (GLUT2). FB1 stimulation increased the expression levels of peptide transporter peptide transporter 1 (PepT1) and metal ion transport-related gene zinc transporter 1 (ZNT1). Moreover, metal ion transporter divalent metal transporter 1 (DMT1) expression was depressed by a higher dosage of FB1 . The data indicate that FB1 results in aberrant expression of nutrient transporters in IPEC-J2 cells, thereby exerting its toxicity even though it fails to exert ROS-dependent oxidative stress.
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Affiliation(s)
- Zhigang Chen
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
| | - Lihua Zhou
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
| | - Qiaoling Yuan
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
| | - Huiyu Chen
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
| | - Hongyu Lei
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
| | - Jianming Su
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Hunan Agricultural University, Changsha, Hunan, China
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Skácel J, Slusher BS, Tsukamoto T. Small Molecule Inhibitors Targeting Biosynthesis of Ceramide, the Central Hub of the Sphingolipid Network. J Med Chem 2021; 64:279-297. [PMID: 33395289 PMCID: PMC8023021 DOI: 10.1021/acs.jmedchem.0c01664] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Ceramides are composed of a sphingosine and a single fatty acid connected by an amide linkage. As one of the major classes of biologically active lipids, ceramides and their upstream and downstream metabolites have been implicated in several pathological conditions including cancer, neurodegeneration, diabetes, microbial pathogenesis, obesity, and inflammation. Consequently, tremendous efforts have been devoted to deciphering the dynamics of metabolic pathways involved in ceramide biosynthesis. Given that several distinct enzymes can produce ceramide, different enzyme targets have been pursued depending on the underlying disease mechanism. The main objective of this review is to provide a comprehensive overview of small molecule inhibitors reported to date for each of these ceramide-producing enzymes from a medicinal chemistry perspective.
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Affiliation(s)
- Jan Skácel
- Johns Hopkins Drug Discovery and Department of Neurology, Johns Hopkins University, Baltimore, Maryland 21205, United States
| | - Barbara S. Slusher
- Johns Hopkins Drug Discovery and Department of Neurology, Johns Hopkins University, Baltimore, Maryland 21205, United States
| | - Takashi Tsukamoto
- Johns Hopkins Drug Discovery and Department of Neurology, Johns Hopkins University, Baltimore, Maryland 21205, United States
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Aptamer-Target-Gold Nanoparticle Conjugates for the Quantification of Fumonisin B1. BIOSENSORS-BASEL 2021; 11:bios11010018. [PMID: 33430067 PMCID: PMC7827823 DOI: 10.3390/bios11010018] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/04/2021] [Accepted: 01/05/2021] [Indexed: 12/17/2022]
Abstract
Fumonisin B1 (FB1), a mycotoxin classified as group 2B hazard, is of high importance due to its abundance and occurrence in varied crops. Conventional methods for detection are sensitive and selective; however, they also convey disadvantages such as long assay times, expensive equipment and instrumentation, complex procedures, sample pretreatment and unfeasibility for on-site analysis. Therefore, there is a need for quick, simple and affordable quantification methods. On that note, aptamers (ssDNA) are a good alternative for designing specific and sensitive biosensing techniques. In this work, the assessment of the performance of two aptamers (40 and 96 nt) on the colorimetric quantification of FB1 was determined by conducting an aptamer-target incubation step, followed by the addition of gold nanoparticles (AuNPs) and NaCl. Although MgCl2 and Tris-HCl were, respectively, essential for aptamer 96 and 40 nt, the latter was not specific for FB1. Alternatively, the formation of Aptamer (96 nt)-FB1-AuNP conjugates in MgCl2 exhibited stabilization to NaCl-induced aggregation at increasing FB1 concentrations. The application of asymmetric flow field-flow fractionation (AF4) allowed their size separation and characterization by a multidetection system (UV-VIS, MALS and DLS online), with a reduction in the limit of detection from 0.002 µg/mL to 56 fg/mL.
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He T, Liu J, Wang X, Duan C, Li X, Zhang J. Analysis of cantharidin-induced nephrotoxicity in HK-2 cells using untargeted metabolomics and an integrative network pharmacology analysis. Food Chem Toxicol 2020; 146:111845. [DOI: 10.1016/j.fct.2020.111845] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/27/2020] [Accepted: 10/30/2020] [Indexed: 02/08/2023]
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Alkaline ceramidase family: The first two decades. Cell Signal 2020; 78:109860. [PMID: 33271224 DOI: 10.1016/j.cellsig.2020.109860] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 11/22/2020] [Accepted: 11/24/2020] [Indexed: 11/21/2022]
Abstract
Ceramidases are a group of enzymes that catalyze the hydrolysis of ceramide, dihydroceramide, and phytoceramide into sphingosine (SPH), dihydrosphingosine (DHS), and phytosphingosine (PHS), respectively, along with a free fatty acid. Ceramidases are classified into the acid, neutral, and alkaline ceramidase subtypes according to the pH optima for their catalytic activity. YPC1 and YDC1 were the first alkaline ceramidase genes to be identified and cloned from the yeast Saccharomyces cerevisiae two decades ago. Subsequently, alkaline ceramidase genes were identified from other species, including one Drosophila melanogaster ACER gene (Dacer), one Arabidopsis thaliana ACER gene (AtACER), three Mus musculus ACER genes (Acer1, Acer2, and Acer3), and three Homo sapiens ACER genes (ACER1, ACER2, and ACER3). The protein products of these genes constitute a large protein family, termed the alkaline ceramidase (ACER) family. All the biochemically characterized members of the ACER family are integral membrane proteins with seven transmembrane segments in the Golgi complex or endoplasmic reticulum, and they each have unique substrate specificity. An increasing number of studies suggest that the ACER family has diverse roles in regulating sphingolipid metabolism and biological processes. Here we discuss the discovery of the ACER family, the biochemical properties, structures, and catalytic mechanisms of its members, and its role in regulating sphingolipid metabolism and biological processes in yeast, insects, plants, and mammals.
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Chen J, Li Z, Cheng Y, Gao C, Guo L, Wang T, Xu J. Sphinganine-Analog Mycotoxins (SAMs): Chemical Structures, Bioactivities, and Genetic Controls. J Fungi (Basel) 2020; 6:E312. [PMID: 33255427 PMCID: PMC7711896 DOI: 10.3390/jof6040312] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 11/20/2020] [Accepted: 11/22/2020] [Indexed: 12/20/2022] Open
Abstract
Sphinganine-analog mycotoxins (SAMs) including fumonisins and A. alternata f. sp. Lycopersici (AAL) toxins are a group of related mycotoxins produced by plant pathogenic fungi in the Fusarium genus and in Alternaria alternata f. sp. Lycopersici, respectively. SAMs have shown diverse cytotoxicity and phytotoxicity, causing adverse impacts on plants, animals, and humans, and are a destructive force to crop production worldwide. This review summarizes the structural diversity of SAMs and encapsulates the relationships between their structures and biological activities. The toxicity of SAMs on plants and animals is mainly attributed to their inhibitory activity against the ceramide biosynthesis enzyme, influencing the sphingolipid metabolism and causing programmed cell death. We also reviewed the detoxification methods against SAMs and how plants develop resistance to SAMs. Genetic and evolutionary analyses revealed that the FUM (fumonisins biosynthetic) gene cluster was responsible for fumonisin biosynthesis in Fusarium spp. Sequence comparisons among species within the genus Fusarium suggested that mutations and multiple horizontal gene transfers involving the FUM gene cluster were responsible for the interspecific difference in fumonisin synthesis. We finish by describing methods for monitoring and quantifying SAMs in food and agricultural products.
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Affiliation(s)
- Jia Chen
- Institute of Bast Fiber Crops and Center of Southern Economic Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China; (J.C.); (Z.L.); (Y.C.); (C.G.); (L.G.); (T.W.)
| | - Zhimin Li
- Institute of Bast Fiber Crops and Center of Southern Economic Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China; (J.C.); (Z.L.); (Y.C.); (C.G.); (L.G.); (T.W.)
| | - Yi Cheng
- Institute of Bast Fiber Crops and Center of Southern Economic Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China; (J.C.); (Z.L.); (Y.C.); (C.G.); (L.G.); (T.W.)
| | - Chunsheng Gao
- Institute of Bast Fiber Crops and Center of Southern Economic Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China; (J.C.); (Z.L.); (Y.C.); (C.G.); (L.G.); (T.W.)
| | - Litao Guo
- Institute of Bast Fiber Crops and Center of Southern Economic Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China; (J.C.); (Z.L.); (Y.C.); (C.G.); (L.G.); (T.W.)
| | - Tuhong Wang
- Institute of Bast Fiber Crops and Center of Southern Economic Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China; (J.C.); (Z.L.); (Y.C.); (C.G.); (L.G.); (T.W.)
| | - Jianping Xu
- Institute of Bast Fiber Crops and Center of Southern Economic Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China; (J.C.); (Z.L.); (Y.C.); (C.G.); (L.G.); (T.W.)
- Department of Biology, McMaster University, Hamilton, ON L8S 4K1, Canada
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Ledur PC, Santurio JM. Cytoprotective effects of curcumin and silymarin on PK-15 cells exposed to ochratoxin A, fumonisin B 1 and deoxynivalenol. Toxicon 2020; 185:97-103. [PMID: 32622693 DOI: 10.1016/j.toxicon.2020.06.025] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 06/25/2020] [Accepted: 06/27/2020] [Indexed: 12/22/2022]
Abstract
Mycotoxins are toxic secondary metabolites produced by fungus which cause worldwide concern regarding food and feed safety. Ochratoxin A (OTA), fumonisin B1 (FB1) and deoxynivalenol (DON) are some of the main mycotoxins and oxidative stress is the main mechanism of toxicity. Thereby, this study investigates the in vitro cytoprotective effects of curcumin (CUR) and silymarin (SIL) - known for their strong antioxidant activity - in PK-15 cells exposed to OTA, FB1 and DON. Pretreatment with CUR and SIL enhanced the viability of cells exposed to the mycotoxins (P < 0.001) and attenuated reactive oxygen species (ROS) formation by DON (P < 0.01), partially reduced ROS formation by FB1 (P < 0.001), but not OTA. CUR significantly decreased apoptosis in cells exposed to DON (P < 0.01) but was not able to prevent apoptosis in cells exposed to OTA and FB1. Whereas SIL was able to prevent apoptosis in PK-15 cells exposed to FB1 and DON (P < 0.01) but was not able to decrease apoptosis in cells exposed to OTA. In summary, these data indicate that curcumin and silymarin are able to provide cytoprotection against toxicity induced by OTA, FB1 and DON in PK-15 cells.
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Affiliation(s)
- Pauline Christ Ledur
- Programa de Pós-graduação em Farmacologia, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Janio M Santurio
- Programa de Pós-graduação em Farmacologia, Centro de Ciências da Saúde, Universidade Federal de Santa Maria, Santa Maria, Brazil.
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Zhao X, Wang Y, Liu JL, Zhang JH, Zhang SC, Ouyang Y, Huang JT, Peng XY, Zeng Z, Hu ZQ. Fumonisin B1 Affects the Biophysical Properties, Migration and Cytoskeletal Structure of Human Umbilical Vein Endothelial Cells. Cell Biochem Biophys 2020; 78:375-382. [PMID: 32504355 DOI: 10.1007/s12013-020-00923-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Accepted: 05/27/2020] [Indexed: 12/18/2022]
Abstract
Fumonisin B1 (FB1) is an important mycotoxin in nature and is a serious threat to human and animal health, but its specific target and molecular mechanism of the toxicity and potential carcinogenicity remain unclear. In this study, we first detected the effects of FB1 on the cell viability, biophysical properties, migration ability, and reactive oxygen species (ROS) of human umbilical vein endothelial cells (HUVECs). Subsequently, changes in the cytoskeletal structure and its binding proteins were analyzed by immunofluorescence and real-time PCR, respectively. The results showed that FB1 could inhibit the viability of HUVECs in a dose-dependent manner. After treatment of HUVECs with FB1, the hypotonic resistance, cell surface charges, cell membrane fluidity, and migration ability were weakened, whereas the ROS levels were significantly increased. Moreover, the cytoskeletal structure of the HUVECs was significantly changed, and the mRNA expression of some important actin-binding proteins was altered. Therefore, this study revealed that FB1 can affect the migration and cytoskeletal structure of HUVECs, which provides a new perspective for further understanding the molecular mechanisms of FB1 toxicity.
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Affiliation(s)
- Xue Zhao
- Key Laboratory of Biology and Medical Engineering, Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China.,Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China
| | - Yun Wang
- Key Laboratory of Biology and Medical Engineering, Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Jiang-Li Liu
- Key Laboratory of Biology and Medical Engineering, Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Jian-Hua Zhang
- Institute of Public Health Testing and Evaluation, Guizhou Provincial Center for Disease Control and Prevention, 550004, Guiyang, China
| | - Shi-Chao Zhang
- Key Laboratory of Biology and Medical Engineering, Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Yan Ouyang
- Key Laboratory of Biology and Medical Engineering, Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Jiang-Tao Huang
- Key Laboratory of Biology and Medical Engineering, Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China
| | - Xiao-Yan Peng
- Key Laboratory of Biology and Medical Engineering, Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China.,Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China
| | - Zhu Zeng
- Key Laboratory of Biology and Medical Engineering, Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China. .,Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China.
| | - Zu-Quan Hu
- Key Laboratory of Biology and Medical Engineering, Immune Cells and Antibody Engineering Research Center of Guizhou Province, School of Basic Medical Sciences/School of Biology and Engineering, Guizhou Medical University, Guiyang, China. .,Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China.
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Yu S, Jia B, Liu N, Yu D, Wu A. Evaluation of the Individual and Combined Toxicity of Fumonisin Mycotoxins in Human Gastric Epithelial Cells. Int J Mol Sci 2020; 21:ijms21165917. [PMID: 32824643 PMCID: PMC7460643 DOI: 10.3390/ijms21165917] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 08/13/2020] [Accepted: 08/14/2020] [Indexed: 12/11/2022] Open
Abstract
Fumonisin contaminates food and feed extensively throughout the world, causing chronic and acute toxicity in human and animals. Currently, studies on the toxicology of fumonisins mainly focus on fumonisin B1 (FB1). Considering that FB1, fumonisin B2 (FB2) and fumonisin B3 (FB3) could coexist in food and feed, a study regarding a single toxin, FB1, may not completely reflect the toxicity of fumonisin. The gastrointestinal tract is usually exposed to these dietary toxins. In our study, the human gastric epithelial cell line (GES-1) was used as in vitro model to evaluate the toxicity of fumonisin. Firstly, we found that they could cause a decrease in cell viability, and increase in membrane leakage, cell death and the induction of expression of markers for endoplasmic reticulum (ER) stress. Their toxicity potency rank is FB1 > FB2 >> FB3. The results also showed that the synergistic effect appeared in the combinations of FB1 + FB2 and FB1 + FB3. Nevertheless, the combinations of FB2 + FB3 and FB1 + FB2 + FB3 showed a synergistic effect at low concentration and an antagonistic effect at high concentration. We also found that myriocin (ISP-1) could alleviate the cytotoxicity induced by fumonisin in GES-1 cells. Finally, this study may help to determine or optimize the legal limits and risk assessment method of mycotoxins in food and feed and provide a potential method to block the fumonisin toxicity.
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Affiliation(s)
| | | | | | | | - Aibo Wu
- Correspondence: ; Tel.: +86-21-54920716
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Kaminski TFA, Dalla Lana DF, Quintana LD, Schmitt EG, Kaminski TA, Paula FR, Fuentefria AM, Machado MM, Souza de Oliveira LF. Fumonisin B 1 induces toxicity in human leukocytes at low concentrations: Are computational studies effective to determine biosafety? Toxicon 2020; 182:7-12. [PMID: 32376361 DOI: 10.1016/j.toxicon.2020.04.100] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/14/2020] [Accepted: 04/24/2020] [Indexed: 11/19/2022]
Abstract
Fumonisin B1 is a mycotoxin produced by Fusarium verticillioides and Fusarium proliferatum found in various crops, particularly maize. Besides carcinogenicity, other manifestations have been registered in different animals and in humans. In the case of humans, epidemiological studies have reported high prevalence of esophageal cancer in populations exposed to fumonisins. This study aimed to evaluate the minimum concentration of FB1 capable of inducing cytotoxicity (cell viability test), genotoxicity (comet assay) and mutagenicity (micronucleus) in cultured human leukocytes and to evaluate the effectiveness of in silico tests to predict FB1 toxicity. All concentrations analyzed (200; 100; 50; 5; 0.5; 0.05; 0.005 μg/mL and 300; 30; 3; 1; 0.1; 0.01 fg/mL) except the lowest demonstrated dose-dependent toxicity in all parameters analyzed (p < 0.05 to p < 0.0001). As for predictions, only the Lazar software showed carcinogenicity of FB1 for rats. Thus, it is evident that FB1 is able to induce dose-dependent damage at low concentrations, and that computational tests, although desirable for prediction, are not effective as biological tests to determine toxicity, at least of FB 1 and within the experimental conditions tested.
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Affiliation(s)
| | - Daiane Flores Dalla Lana
- Programa de Pós-Graduação em Patologia, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brazil
| | | | | | | | - Favero Reisdorfer Paula
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
| | | | - Michel Mansur Machado
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Pampa, Uruguaiana, RS, Brazil
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48
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Szabó Z, Pákozdi K, Murvai K, Pusztahelyi T, Kecskeméti Á, Gáspár A, Logrieco AF, Emri T, Ádám AL, Leiter É, Hornok L, Pócsi I. FvatfA regulates growth, stress tolerance as well as mycotoxin and pigment productions in Fusarium verticillioides. Appl Microbiol Biotechnol 2020; 104:7879-7899. [PMID: 32719911 PMCID: PMC7447684 DOI: 10.1007/s00253-020-10717-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 05/22/2020] [Accepted: 06/01/2020] [Indexed: 01/22/2023]
Abstract
FvatfA from the maize pathogen Fusarium verticillioides putatively encodes the Aspergillus nidulans AtfA and Schizasaccharomyces pombe Atf1 orthologous bZIP-type transcription factor, FvAtfA. In this study, a ΔFvatfA deletion mutant was constructed and then genetically complemented with the fully functional FvatfA gene. Comparing phenotypic features of the wild-type parental, the deletion mutant and the restored strains shed light on the versatile regulatory functions played by FvAtfA in (i) the maintenance of vegetative growth on Czapek-Dox and Potato Dextrose agars and invasive growth on unwounded tomato fruits, (ii) the preservation of conidiospore yield and size, (iii) the orchestration of oxidative (H2O2, menadione sodium bisulphite) and cell wall integrity (Congo Red) stress defences and (iv) the regulation of mycotoxin (fumonisins) and pigment (bikaverin, carotenoid) productions. Expression of selected biosynthetic genes both in the fumonisin (fum1, fum8) and the carotenoid (carRA, carB) pathways were down-regulated in the ΔFvatfA strain resulting in defected fumonisin production and considerably decreased carotenoid yields. The expression of bik1, encoding the polyketide synthase needed in bikaverin biosynthesis, was not up-regulated by the deletion of FvatfA meanwhile the ΔFvatfA strain produced approximately ten times more bikaverin than the wild-type or the genetically complemented strains. The abolishment of fumonisin production of the ΔFvatfA strain may lead to the development of new-type, biology-based mycotoxin control strategies. The novel information gained on the regulation of pigment production by this fungus can be interesting for experts working on new, Fusarium-based biomass and pigment production technologies.Key points • FvatfA regulates vegetative and invasive growths of F. verticillioides. • FvatfA also orchestrates oxidative and cell wall integrity stress defenses. • The ΔFvatfA mutant was deficient in fumonisin production. • FvatfA deletion resulted in decreased carotenoid and increased bikaverin yields. |
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Affiliation(s)
- Zsuzsa Szabó
- Department of Molecular Biotechnology and Microbiology, Institute of Biotechnology, Faculty of Science and Technology, University of Debrecen, Debrecen, Hungary.,Doctoral School of Biological Sciences, Faculty of Agricultural and Environmental Sciences, Szent István University, Gödöllő, Hungary
| | - Klaudia Pákozdi
- Department of Molecular Biotechnology and Microbiology, Institute of Biotechnology, Faculty of Science and Technology, University of Debrecen, Debrecen, Hungary.,Doctoral School of Nutrition and Food Sciences, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Katalin Murvai
- Department of Molecular Biotechnology and Microbiology, Institute of Biotechnology, Faculty of Science and Technology, University of Debrecen, Debrecen, Hungary
| | - Tünde Pusztahelyi
- Central Laboratory of Agricultural and Food Products, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, Hungary
| | - Ádám Kecskeméti
- Department of Inorganic and Analytical Chemistry, Faculty of Science and Technology, University of Debrecen, Debrecen, Hungary
| | - Attila Gáspár
- Department of Inorganic and Analytical Chemistry, Faculty of Science and Technology, University of Debrecen, Debrecen, Hungary
| | | | - Tamás Emri
- Department of Molecular Biotechnology and Microbiology, Institute of Biotechnology, Faculty of Science and Technology, University of Debrecen, Debrecen, Hungary
| | - Attila L Ádám
- Plant Protection Institute, Centre for Agricultural Research, Budapest, Hungary
| | - Éva Leiter
- Department of Molecular Biotechnology and Microbiology, Institute of Biotechnology, Faculty of Science and Technology, University of Debrecen, Debrecen, Hungary
| | - László Hornok
- Faculty of Agricultural and Environmental Sciences, Szent István University, Gödöllő, Hungary
| | - István Pócsi
- Department of Molecular Biotechnology and Microbiology, Institute of Biotechnology, Faculty of Science and Technology, University of Debrecen, Debrecen, Hungary.
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49
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Kolawole O, Graham A, Donaldson C, Owens B, Abia WA, Meneely J, Alcorn MJ, Connolly L, Elliott CT. Low Doses of Mycotoxin Mixtures below EU Regulatory Limits Can Negatively Affect the Performance of Broiler Chickens: A Longitudinal Study. Toxins (Basel) 2020; 12:E433. [PMID: 32630277 PMCID: PMC7404967 DOI: 10.3390/toxins12070433] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 06/25/2020] [Accepted: 06/28/2020] [Indexed: 02/06/2023] Open
Abstract
Several studies have reported a wide range of severe health effects as well as clinical signs, when livestock animals are exposed to high concentration of mycotoxins. However, little is known regarding health effects of mycotoxins at low levels. Thus, a long-term feeding trial (between May 2017 and December 2019) was used to evaluate the effect of low doses of mycotoxin mixtures on performance of broiler chickens fed a naturally contaminated diet. In total, 18 successive broiler performance trials were carried out during the study period, with approximately 2200 one-day-old Ross-308 chicks used for each trial. Feed samples given to birds were collected at the beginning of each trial and analysed for multi-mycotoxins using a validated LC-MS/MS method. Furthermore, parameters including feed intake, body weight and feed efficiency were recorded on a weekly basis. In total, 24 mycotoxins were detected in samples analysed with deoxynivalenol (DON), zearalenone (ZEN), fumonisins (FBs), apicidin, enniatins (ENNs), emodin and beauvericin (BEV), the most prevalent mycotoxins. Furthermore, significantly higher levels (however below EU guidance values) of DON, ZEN, FBs, BEV, ENNs and diacetoxyscirpenol (DAS) were detected in 6 of the 18 performance trials. A strong positive relationship was observed between broilers feed efficiency and DON (R2 = 0.85), FBs (R2 = 0.53), DAS (R2 = 0.86), ZEN (R2 = 0.92), ENNs (R2 = 0.60) and BEV (R2 = 0.73). Moreover, a three-way interaction regression model revealed that mixtures of ZEN, DON and FBs (p = 0.01, R2 = 0.84) and ZEN, DON and DAS (p = 0.001, R2 = 0.91) had a statistically significant interaction effect on the birds' feed efficiency. As farm animals are often exposed to low doses of mycotoxin mixtures (especially fusarium mycotoxins), a cumulative risk assessment in terms of measuring and mitigating against the economic, welfare and health impacts is needed for this group of compounds.
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Affiliation(s)
- Oluwatobi Kolawole
- Institute for Global Food Security, School of Biological Sciences, Queens University, Belfast BT9 5DL, UK; (O.K.); (W.A.A.); (J.M.); (L.C.)
| | - Abigail Graham
- Devenish Nutrition Limited, Lagan House, 19 Clarendon Road, Belfast BT1 3BG, UK; (A.G.); (C.D.); (B.O.); (M.J.A.)
| | - Caroline Donaldson
- Devenish Nutrition Limited, Lagan House, 19 Clarendon Road, Belfast BT1 3BG, UK; (A.G.); (C.D.); (B.O.); (M.J.A.)
| | - Bronagh Owens
- Devenish Nutrition Limited, Lagan House, 19 Clarendon Road, Belfast BT1 3BG, UK; (A.G.); (C.D.); (B.O.); (M.J.A.)
| | - Wilfred A. Abia
- Institute for Global Food Security, School of Biological Sciences, Queens University, Belfast BT9 5DL, UK; (O.K.); (W.A.A.); (J.M.); (L.C.)
| | - Julie Meneely
- Institute for Global Food Security, School of Biological Sciences, Queens University, Belfast BT9 5DL, UK; (O.K.); (W.A.A.); (J.M.); (L.C.)
| | - Michael J. Alcorn
- Devenish Nutrition Limited, Lagan House, 19 Clarendon Road, Belfast BT1 3BG, UK; (A.G.); (C.D.); (B.O.); (M.J.A.)
| | - Lisa Connolly
- Institute for Global Food Security, School of Biological Sciences, Queens University, Belfast BT9 5DL, UK; (O.K.); (W.A.A.); (J.M.); (L.C.)
| | - Christopher T. Elliott
- Institute for Global Food Security, School of Biological Sciences, Queens University, Belfast BT9 5DL, UK; (O.K.); (W.A.A.); (J.M.); (L.C.)
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50
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Orally Administered Fumonisins Affect Porcine Red Cell Membrane Sodium Pump Activity and Lipid Profile Without Apparent Oxidative Damage. Toxins (Basel) 2020; 12:toxins12050318. [PMID: 32408599 PMCID: PMC7290795 DOI: 10.3390/toxins12050318] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/04/2020] [Accepted: 05/07/2020] [Indexed: 12/25/2022] Open
Abstract
Weaned piglets (n = 3 × 6) were fed 0, 15 and 30 mg/kg diet fumonisin (FB1, FB2 and FB3, i.e., FBs, a sphinganine analogue mycotoxin), from the age of 35 days for 21 days, to assess mycotoxin induced, dose-dependent changes in the red cells’ membrane. Ouabain sensitive Na+/K+ ATPase activity was determined from lysed red cell membranes, membrane fatty acid (FA) profile was analysed, as well as antioxidant and lipid peroxidation endpoints. Final body weight was higher in the 30 mg/kg group (vs. control), even besides identical cumulative feed intake. After 3 weeks, there was a difference between control and the 30 mg/kg group in red cell membrane sodium pump activity; this change was dose-dependent (sig.: 0.036; R2 = 0.58). Membrane FA profile was strongly saturated with non-systematic inter-group differences; pooled data provided negative correlation with sodium pump activity (all individual membrane n6 FAs). Intracellular antioxidants (reduced glutathione and glutathione peroxidase) and lipid peroxidation indicators (conj. dienes, trienes and malondialdehyde) were non-responsive. We suppose a ceramide synthesis inhibitor (FB1) effect exerted onto the cell membrane, proven to be toxin dose-dependent and increasing sodium pump activity, with only indirect FA compositional correlations and lack of lipid peroxidation.
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