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Wang J, Jiang M, Li X, Ye Y, Xie Y, Wu T, Chen Y, Yu H, Wu H, Yang Z, Zhou E. Inulin Supplementation Alleviates Ochratoxin A-Induced Kidney Injury through Modulating Intestinal Microbiota. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:18682-18696. [PMID: 39135376 DOI: 10.1021/acs.jafc.4c04382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/22/2024]
Abstract
Ochratoxin A (OTA) is a prevalent mycotoxin found in feed that causes significant kidney injury in animals. Further investigation was needed to devise strategies for treating OTA-induced kidney damage through the gut-kidney axis. Evidence indicates the crucial role of intestinal microbiota in kidney damage development. Inulin, a dietary fiber, protects kidneys by modulating intestinal microbiota and promoting short-chain fatty acid (SCFA) production. However, its precise mechanism in OTA-induced kidney damage remained unclear. In this study, chickens were orally administered OTA and inulin for 2 weeks to investigate inulin's effects on OTA-induced kidney damage and underlying mechanisms. The alteration of intestinal microbiota, SCFAs contents, and SCFA receptors was further analyzed. Results demonstrated that inulin supplementation influenced intestinal microbiota, increased SCFAs production, and mitigated OTA-induced kidney damage in chickens. The importance of microbiota in mediating inulin's renal protection was further confirmed by antibiotic and fecal microbiota transplantation experiments. Additionally, inulin exhibited antioxidant and anti-inflammatory properties, alleviating NLRP3 inflammasome activation and pyroptosis. In summary, inulin protected chickens from OTA-induced kidney damage, which might provide a potential strategy to mitigate the harmful effects of mycotoxins through prebiotics and safeguard renal health.
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Affiliation(s)
- Jingjing Wang
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong 528231, China
| | - Mingzhen Jiang
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong 528231, China
| | - Xuhai Li
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong 528231, China
| | - Yingrong Ye
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong 528231, China
| | - Yueqing Xie
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong 528231, China
| | - Ting Wu
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong 528231, China
| | - Yichun Chen
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong 528231, China
| | - Hongsen Yu
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong 528231, China
| | - Hanpeng Wu
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong 528231, China
| | - Zhengtao Yang
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong 528231, China
| | - Ershun Zhou
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong 528231, China
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Frangiamone M, Lázaro Á, Cimbalo A, Font G, Manyes L. In vitro and in vivo assessment of AFB1 and OTA toxic effects and the beneficial role of bioactive compounds. A systematic review. Food Chem 2024; 447:138909. [PMID: 38489879 DOI: 10.1016/j.foodchem.2024.138909] [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: 10/24/2023] [Revised: 02/13/2024] [Accepted: 02/28/2024] [Indexed: 03/17/2024]
Abstract
The purpose of this review was to investigate the current knowledge about aflatoxin B1 (AFB1) and ochratoxin A (OTA) toxicity and the possible beneficial role of bioactive compounds by using in vitro and in vivo models. Although AFB1 and OTA were tested in a similar percentage, the majority of studies focused on nephrotoxicity, hepatotoxicity, immune toxicity and neurotoxicity in which oxidative stress, inflammation, structural damage and apoptosis were the main mechanisms of action reported. Conversely, several biological compounds were assayed in order to modulate mycotoxins damage mainly in the liver, brain, kidney and immune system. Among them, pumpkin, curcumin and fermented whey were the most employed. Although a clear progress has been made by using in vivo models, further research is needed to assess not only the toxicity of multiple mycotoxins contamination but also the effect of functional compounds mixture, thereby reproducing more realistic situations for human health risk assessment.
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Affiliation(s)
- Massimo Frangiamone
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, Universitat de València, Carrer Vicent Andrés Estellés s/n, 46100 Burjassot, Spain
| | - Álvaro Lázaro
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, Universitat de València, Carrer Vicent Andrés Estellés s/n, 46100 Burjassot, Spain
| | - Alessandra Cimbalo
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, Universitat de València, Carrer Vicent Andrés Estellés s/n, 46100 Burjassot, Spain.
| | - Guillermina Font
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, Universitat de València, Carrer Vicent Andrés Estellés s/n, 46100 Burjassot, Spain
| | - Lara Manyes
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, Universitat de València, Carrer Vicent Andrés Estellés s/n, 46100 Burjassot, Spain
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Wang J, Xie Y, Wu T, Chen Y, Jiang M, Li X, Ye Y, Zhou E, Yang Z. Phytic acid alleviates ochratoxin A-induced renal damage in chicks by modulating ferroptosis and the structure of the intestinal microbiota. Poult Sci 2024; 103:104027. [PMID: 39024690 DOI: 10.1016/j.psj.2024.104027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 07/20/2024] Open
Abstract
Phytic acid (PA) is a natural antioxidant with various biological activities, providing protective effects in multiple animals. Ochratoxin A (OTA) is a mold toxin commonly found in feed, which induces multi-organ damage, with kidney being the target organ of its toxicity. This study investigates the protective effects of PA on OTA-induced renal damage and its potential mechanisms in chicks. The results demonstrates that PA treatment restores OTA-induced renal pathological injuries, reverses the diminished activities of antioxidant enzymes, reduces the accumulation of malondialdehyde, and normalizes the expression of pro-inflammatory cytokines, which confirms that PA can alleviate OTA-induced renal damage. Further investigations reveal that OTA-induced renal injury accompanied by an increase in tissue iron content and the transcription levels of ferroptosis-related genes (TFR, ACSL4, and HO-1), and a decrease in the levels of SLC7A11 and GPX4. PA treatment reverses all these effects, indicating that PA mitigates OTA-induced renal ferroptosis. Moreover, PA supplementation improves intestinal morphology and mucosal function, corrects OTA-induced changes in the intestinal microbiota. Besides, PA microbiota transplantation alleviates renal inflammation and oxidative stress caused by OTA. In conclusion, PA plays a protective role against renal damage through the regulation of ferroptosis and the intestinal microbiota, possibly providing novel insights into the control and prevention of OTA-related nephrotoxicity.
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Affiliation(s)
- Jingjing Wang
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Yueqing Xie
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Ting Wu
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Yichun Chen
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Mingzhen Jiang
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Xuhai Li
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Yingrong Ye
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Ershun Zhou
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China
| | - Zhengtao Yang
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, 528231, China.
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Tekin A, Güner A, Akkan T. Protective Effect of Boric Acid Against Ochratoxin A-Induced Toxic Effects in Human Embryonal Kidney Cells (HEK293): A Study on Cytotoxic, Genotoxic, Oxidative, and Apoptotic Effects. Biol Trace Elem Res 2024:10.1007/s12011-024-04194-5. [PMID: 38713435 DOI: 10.1007/s12011-024-04194-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 04/18/2024] [Indexed: 05/08/2024]
Abstract
The present study evaluates the protective properties of boric acid (BA) against the toxic effects induced by ochratoxin A (OTA) in human embryonic kidney cells (HEK293). The focus is on various parameters such as cytotoxicity, genotoxicity, oxidative stress, and apoptosis. OTA is a known mycotoxin that has harmful effects on the liver, kidneys, brain, and nervous system. BA, on the other hand, a boron-based compound, is known for its potential as a vital micronutrient with important cellular functions. The results show that BA administration not only increases cell viability but also mitigates the cytotoxic effects of OTA. This is evidenced by a reduction in the release of lactate dehydrogenase (LDH), indicating less damage to cell membranes. In addition, BA shows efficacy in reducing genotoxic effects, as the frequency of micronucleus (MN) and chromosomal aberrations (CA) decreases significantly, suggesting a protective role against DNA damage. In addition, the study shows that treatment with BA leads to a decrease in oxidative stress markers, highlighting its potential as a therapeutic intervention against the deleterious effects of OTA. These results emphasize the need for further research into the protective mechanisms of boron, particularly BA, in combating cell damage caused by OTA.
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Affiliation(s)
- Aşkın Tekin
- Faculty of Health Sciences, Department of Occupational Health and Safety,, Sinop University, Sinop, Türkiye.
| | - Adem Güner
- Şebinkarahisar Vocational School of Health Services, Giresun,, Giresun University, Giresun, Türkiye
| | - Tamer Akkan
- Faculty of Arts and Science, Biology Department of Biology, Giresun University, Giresun, Türkiye
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Zhu Q, Qu H, Kang R, Zheng Y, Guo Q, Huang S, Zhao L, Ma Q. The Toxicokinetics, Excretion Patterns, and Milk Transmission of Ochratoxin A in Lactating Sows. Toxins (Basel) 2024; 16:128. [PMID: 38535793 PMCID: PMC10974951 DOI: 10.3390/toxins16030128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/15/2024] [Accepted: 02/16/2024] [Indexed: 05/01/2024] Open
Abstract
Ochratoxin A (OTA), a mycotoxin commonly found in feedstuffs, is known for its detrimental effects on the kidneys and liver, posing significant health risks to animals and humans. This study investigated the toxicokinetics, excretion patterns, and milk transmission of Ochratoxin A (OTA) in lactating sows. The sows were administered a single oral dose of 500 μg/kg BW (body weight), followed by the systematic sampling of plasma, feces, urine, and milk. Plasma samples were collected at 0, 5, 15, and 30 min, and 1, 2, 3, 6, 9, 12, 24, 48, 72, 88, 96, and 120 h post administration. Feces samples were collected at 6 h intervals for the first 12 h, then at 12 h intervals until 120 h, while urine samples were collected at 6 h intervals up to 120 h. Milk samples were collected at 0, 6, 12, 24, 36, 48, 72, 96, and 120 h. The concentration of OTA and its primary metabolite OTα were quantitatively analyzed using ultra-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS). The results revealed that the peak plasma concentrations of OTA (920.25 ± 88.46 μg/L) were observed at 9 h following administration. The terminal elimination half-life was recorded at 78.47 ± 7.68 h, with a volume of distribution of 0.16 ± 0.003 L/kg. Moreover, this study documented the excretion of OTA and OTα across a span of 120 h, revealing that feces and urine accounted for 18.70 ± 0.04% and 8.40 ± 0.002% of the total intake amounts, respectively (calculated based on substance amounts). Furthermore, this experiment detected OTA residues in the milk of lactating sows, with the milk-to-plasma (M/P) ratio initially increasing from 0.06 to 0.46 within the first 24 h following OTA ingestion. These findings offer an exhaustive temporal analysis of OTA's toxicokinetics in lactating sows, emphasizing its pervasive distribution and elimination through various bodily excreta.
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Affiliation(s)
- Qiufeng Zhu
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Q.Z.); (H.Q.); (R.K.); (Y.Z.); (Q.G.); (S.H.); (L.Z.)
| | - Honglei Qu
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Q.Z.); (H.Q.); (R.K.); (Y.Z.); (Q.G.); (S.H.); (L.Z.)
| | - Ruifen Kang
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Q.Z.); (H.Q.); (R.K.); (Y.Z.); (Q.G.); (S.H.); (L.Z.)
- Laboratory of Feedgrain Safety and Healthy Poultry Farming, Beijing Jingwa Agricultural Science and Technology Innovation Center, Beijing 100193, China
| | - Yunduo Zheng
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Q.Z.); (H.Q.); (R.K.); (Y.Z.); (Q.G.); (S.H.); (L.Z.)
- Laboratory of Feedgrain Safety and Healthy Poultry Farming, Beijing Jingwa Agricultural Science and Technology Innovation Center, Beijing 100193, China
| | - Qiuying Guo
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Q.Z.); (H.Q.); (R.K.); (Y.Z.); (Q.G.); (S.H.); (L.Z.)
| | - Shimeng Huang
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Q.Z.); (H.Q.); (R.K.); (Y.Z.); (Q.G.); (S.H.); (L.Z.)
- Laboratory of Feedgrain Safety and Healthy Poultry Farming, Beijing Jingwa Agricultural Science and Technology Innovation Center, Beijing 100193, China
| | - Lihong Zhao
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Q.Z.); (H.Q.); (R.K.); (Y.Z.); (Q.G.); (S.H.); (L.Z.)
- Laboratory of Feedgrain Safety and Healthy Poultry Farming, Beijing Jingwa Agricultural Science and Technology Innovation Center, Beijing 100193, China
| | - Qiugang Ma
- State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Q.Z.); (H.Q.); (R.K.); (Y.Z.); (Q.G.); (S.H.); (L.Z.)
- Laboratory of Feedgrain Safety and Healthy Poultry Farming, Beijing Jingwa Agricultural Science and Technology Innovation Center, Beijing 100193, China
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Badmos FO, Muhammad HL, Dabara A, Adefolalu F, Salubuyi S, Abdulkadir A, Oyetunji VT, Apeh DO, Muhammad HK, Mwanza M, Monjerezi M, Matumba L, Makun HA. Assessment of dietary exposure and levels of mycotoxins in sorghum from Niger State of Nigeria. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2024; 41:74-90. [PMID: 38109413 DOI: 10.1080/19440049.2023.2293998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 12/06/2023] [Indexed: 12/20/2023]
Abstract
This study reports levels of mycotoxins in sorghum from Niger State, Nigeria, and provides a comprehensive assessment of their potential health risks by combining mycotoxin levels and dietary exposure assessment. A total of 240 samples of red and white sorghum were collected from both stores and markets across four microclimatic zones. Fungal species were identified using a dilution plate method. Aflatoxins (AFs), deoxynivalenol, nivalenol, and ochratoxin (OTA) were quantified using HPLC, whereas cyclopiazonic acid, fumonisins (FUMs) and zearalenone were quantified using ELISA. A. flavus and A. fumigatus were dominant fungal species followed by F. verticilloides, A. oryzae and P. verrucosum. Aflatoxins (mean: 29.97 µg/kg) were detected in all samples, whereas OTA (mean: 37.5 µg/kg) and FUMs (mean: 3269.8 µg/kg) were detected in 72% and 50% of the samples, respectively. Mycotoxins frequently co-occurred in binary mixtures of AFs + OTA and AFs + FUMs. Dietary exposure estimates were highest for FUMs at 230% of TDI and margin of exposures (MOEs) for both AFs and OTA (<10,000) indicating a potential risk associated with combined exposure to AFs and OTA. The Risk of hepatocellular carcinoma cases (HCC/year) attributable to AFs and OTA exposure from sorghum was estimated to be 5.99 × 105 and 0.24 × 105 cases for HBsAg + individuals based on 13.6% HBV incidence. Similarly, the HCC/year for AFs and OTA were assessed to be 3.59 × 105 and 0.14 × 105 at an 8.1% prevalence rate. Therefore, the results of this study demonstrate the high prevalence and dietary exposure to mycotoxins through sorghum consumption, raising public health and trade concerns.
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Affiliation(s)
- Fatimah Omolola Badmos
- Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology Minna, Nigeria
- Department of Biochemistry, Federal University of Technology Minna, Nigeria
| | - Hadiza Lami Muhammad
- Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology Minna, Nigeria
- Department of Biochemistry, Federal University of Technology Minna, Nigeria
| | - Achi Dabara
- Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology Minna, Nigeria
- Department of Biochemistry, Federal University of Technology Minna, Nigeria
| | - Funmilola Adefolalu
- Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology Minna, Nigeria
- Department of Biochemistry, Federal University of Technology Minna, Nigeria
| | - Susan Salubuyi
- Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology Minna, Nigeria
- Department of Biochemistry, Federal University of Technology Minna, Nigeria
| | - Abdullahi Abdulkadir
- Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology Minna, Nigeria
- Department of Biochemistry, Federal University of Technology Minna, Nigeria
| | - Victor Tope Oyetunji
- Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology Minna, Nigeria
- Department of Biochemistry, Federal University of Technology Minna, Nigeria
| | - Daniel Ojochenemi Apeh
- Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology Minna, Nigeria
- Department of Biochemistry, Federal University of Technology Minna, Nigeria
- Department of Biological Sciences, Confluence University of Science and Technology, Osara, Nigeria
| | - Hadiza Kudu Muhammad
- Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology Minna, Nigeria
- Department of Biochemistry, Federal University of Technology Minna, Nigeria
| | - Mulunda Mwanza
- Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology Minna, Nigeria
- Department of Animal Health, Northwest University, Mafikeng, South Africa
| | - Maurice Monjerezi
- Department of Animal Health, Northwest University, Mafikeng, South Africa
- Department of Chemistry and Chemical Engineering, University of Malawi, Zomba, Malawi
| | - Limbikani Matumba
- Centre for Resilient Agri-Food Systems (CRAFS), University of Malawi, Zomba, Malawi
- Food Technology and Nutrition Group-NRC, Lilongwe University of Agriculture and Natural Resources (LUANAR), Lilongwe, Malawi
| | - Hussaini Anthony Makun
- Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology Minna, Nigeria
- Department of Biochemistry, Federal University of Technology Minna, Nigeria
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Yu J, Pedroso IR. Mycotoxins in Cereal-Based Products and Their Impacts on the Health of Humans, Livestock Animals and Pets. Toxins (Basel) 2023; 15:480. [PMID: 37624237 PMCID: PMC10467131 DOI: 10.3390/toxins15080480] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/08/2023] [Accepted: 07/18/2023] [Indexed: 08/26/2023] Open
Abstract
Cereal grains are the most important food staples for human beings and livestock animals. They can be processed into various types of food and feed products such as bread, pasta, breakfast cereals, cake, snacks, beer, complete feed, and pet foods. However, cereal grains are vulnerable to the contamination of soil microorganisms, particularly molds. The toxigenic fungi/molds not only cause quality deterioration and grain loss, but also produce toxic secondary metabolites, mycotoxins, which can cause acute toxicity, death, and chronic diseases such as cancer, immunity suppression, growth impairment, and neural tube defects in humans, livestock animals and pets. To protect human beings and animals from these health risks, many countries have established/adopted regulations to limit exposure to mycotoxins. The purpose of this review is to update the evidence regarding the occurrence and co-occurrence of mycotoxins in cereal grains and cereal-derived food and feed products and their health impacts on human beings, livestock animals and pets. The effort for safe food and feed supplies including prevention technologies, detoxification technologies/methods and up-to-date regulation limits of frequently detected mycotoxins in cereal grains for food and feed in major cereal-producing countries are also provided. Some important areas worthy of further investigation are proposed.
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Affiliation(s)
- Jianmei Yu
- Department of Family and Consumer Sciences, North Carolina Agricultural and Technical State University, 1601 East Market Street, Greensboro, NC 27411, USA
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Tabarani A, Zinedine A, Rocha JM, Sanaa M, Abdennebi EH. Comparative Study of Ochratoxin A Exposure through the Intake of Cereal Products in Two Climatic Moroccan Regions. Toxins (Basel) 2023; 15:452. [PMID: 37505721 PMCID: PMC10467127 DOI: 10.3390/toxins15070452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/03/2023] [Accepted: 07/07/2023] [Indexed: 07/29/2023] Open
Abstract
The present study aims to compare ochratoxin A (OTA) exposure through the intake of three cereal derivative products (bread, pasta and semolina) in two different Moroccan climatic regions (littoral and continental). OTA weekly intakes from cereal products were calculated using a deterministic approach for each region. Results showed a statistically significant difference (p < 0.05) of OTA exposure between the two regions. Indeed, the median OTA exposure was estimated at 48.97 ng/kg b.w./week in the littoral region, while it was estimated at 6.36 ng/kg b.w./week in the continental region. The probabilistic approach showed that, due to uncertainties, the 95th percentile of weekly OTA exposure associated with the three cereal products ranged from 66.18 to 137.79 (95% CI) with a median of 97.44 ng/kg body weight (b.w.)/week. Compared to the threshold of 100 ng/kg b.w./week, 95% of the cumulative distributions predicted an exceedance frequency between 0.42 and 17.30% (95% CI), with an exceedance frequency median of 4.43%. Results showed that cereal derivatives constitute an important vector of OTA exposure and cause a significant exceedance of toxicological reference value among large consumers in the littoral region, which suggests the urgency of reconsidering the maximum regulatory limit (MRL) set for OTA (3 µg/kg) in cereal derivatives by Moroccan authorities.
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Affiliation(s)
- Ahmed Tabarani
- Department of Biological and Pharmaceutical Sciences, Hassan II Institute of Agronomy and Veterinary Medicine (IAV), Rabat P.O. Box 6202, Morocco; (A.T.); (E.H.A.)
| | - Abdellah Zinedine
- BIOMARE Laboratory, Faculty of Sciences P.O. Box 20, Chouaib Doukkali University, El Jadida 24000, Morocco;
| | - João Miguel Rocha
- CBQF—Centro de Biotecnologia e Química Fina—Laboratório Associado, Universidade Católica Portuguesa, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
- LEPABE—Laboratory for Process Engineering, Environment, Biotechnology and Energy, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
- ALiCE—Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, 4200-465 Porto, Portugal
| | - Moez Sanaa
- Risk Assessment Department, French Agency for Food, Environmental and Occupational Health & Safety (ANSES), 94701 Maisons-Alfort, France;
| | - El Hassane Abdennebi
- Department of Biological and Pharmaceutical Sciences, Hassan II Institute of Agronomy and Veterinary Medicine (IAV), Rabat P.O. Box 6202, Morocco; (A.T.); (E.H.A.)
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9
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Li Y, Gao X, Fang Y, Cui B, Shen Y. Nanomaterials-driven innovative electrochemiluminescence aptasensors in reporting food pollutants. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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10
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Airik M, Arbore H, Childs E, Huynh AB, Phua YL, Chen CW, Aird K, Bharathi S, Zhang B, Conlon P, Kmoch S, Kidd K, Bleyer AJ, Vockley J, Goetzman E, Wipf P, Airik R. Mitochondrial ROS Triggers KIN Pathogenesis in FAN1-Deficient Kidneys. Antioxidants (Basel) 2023; 12:900. [PMID: 37107275 PMCID: PMC10135478 DOI: 10.3390/antiox12040900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/02/2023] [Accepted: 04/03/2023] [Indexed: 04/29/2023] Open
Abstract
Karyomegalic interstitial nephritis (KIN) is a genetic adult-onset chronic kidney disease (CKD) characterized by genomic instability and mitotic abnormalities in the tubular epithelial cells. KIN is caused by recessive mutations in the FAN1 DNA repair enzyme. However, the endogenous source of DNA damage in FAN1/KIN kidneys has not been identified. Here we show, using FAN1-deficient human renal tubular epithelial cells (hRTECs) and FAN1-null mice as a model of KIN, that FAN1 kidney pathophysiology is triggered by hypersensitivity to endogenous reactive oxygen species (ROS), which cause chronic oxidative and double-strand DNA damage in the kidney tubular epithelial cells, accompanied by an intrinsic failure to repair DNA damage. Furthermore, persistent oxidative stress in FAN1-deficient RTECs and FAN1 kidneys caused mitochondrial deficiencies in oxidative phosphorylation and fatty acid oxidation. The administration of subclinical, low-dose cisplatin increased oxidative stress and aggravated mitochondrial dysfunction in FAN1-deficient kidneys, thereby exacerbating KIN pathophysiology. In contrast, treatment of FAN1 mice with a mitochondria-targeted ROS scavenger, JP4-039, attenuated oxidative stress and accumulation of DNA damage, mitigated tubular injury, and preserved kidney function in cisplatin-treated FAN1-null mice, demonstrating that endogenous oxygen stress is an important source of DNA damage in FAN1-deficient kidneys and a driver of KIN pathogenesis. Our findings indicate that therapeutic modulation of kidney oxidative stress may be a promising avenue to mitigate FAN1/KIN kidney pathophysiology and disease progression in patients.
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Affiliation(s)
- Merlin Airik
- Division of Nephrology, Department of Pediatrics, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Haley Arbore
- Division of Nephrology, Department of Pediatrics, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Elizabeth Childs
- Division of Nephrology, Department of Pediatrics, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Amy B. Huynh
- Division of Nephrology, Department of Pediatrics, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Yu Leng Phua
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Chi Wei Chen
- Department of Pharmacology & Chemical Biology and UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Katherine Aird
- Department of Pharmacology & Chemical Biology and UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Sivakama Bharathi
- Division of Genetic and Genomic Medicine, Department of Pediatrics, University of Pittsburgh School of Medicine and UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Bob Zhang
- Division of Genetic and Genomic Medicine, Department of Pediatrics, University of Pittsburgh School of Medicine and UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Peter Conlon
- Nephrology Department, Beaumont Hospital, D09 V2N0 Dublin, Ireland
| | - Stanislav Kmoch
- Department of Paediatrics and Inherited Metabolic Disorders, First Faculty of Medicine, Charles University, 128 08 Prague, Czech Republic
| | - Kendrah Kidd
- Wake Forest School of Medicine, Winston-Salem, NC 27157, USA
| | | | - Jerry Vockley
- Division of Genetic and Genomic Medicine, Department of Pediatrics, University of Pittsburgh School of Medicine and UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Eric Goetzman
- Division of Genetic and Genomic Medicine, Department of Pediatrics, University of Pittsburgh School of Medicine and UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Peter Wipf
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Rannar Airik
- Division of Nephrology, Department of Pediatrics, UPMC Children’s Hospital of Pittsburgh, Pittsburgh, PA 15224, USA
- Department of Developmental Biology, University of Pittsburgh, Pittsburgh, PA 15224, USA
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