1
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Almeer R, Alyami NM. Effect of lycopene on TiO 2 nanoforms induced oxidative stress and neuroinflammation in SH-SY5Y cells: an in vitro study. Drug Chem Toxicol 2024:1-11. [PMID: 39227360 DOI: 10.1080/01480545.2024.2397429] [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: 03/17/2024] [Revised: 07/25/2024] [Accepted: 08/21/2024] [Indexed: 09/05/2024]
Abstract
Due to its antioxidant action, the carotenoid lycopene has been demonstrated to have a protective effect in several disease models; however, its effect on the nanoform of titanium oxide (nano-TiO2)-induced neurotoxicity has not yet been determined. The purpose of this study was to evaluate how lycopene affects neuronal damage brought on by nano-TiO2 and the mechanisms involved. SH-SY5Y cells were treated with different concentrations of nano-TiO2 for 48 hours, the MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) test was used after that to evaluate cell viability. IC50 of nano-TiO2 was determined and the results revealed that IC50 is equal 40 µM/mL, lycopene (10 µM) was applied to SH-SY5Y human neuroblastoma cells an hour before exposure to 40 µM nano-TiO2. Reactive oxygen species, lipid peroxidation, nitric oxide, glutathione, superoxide dismutase, and catalase, tumor necrosis factor-alpha, interleukin 1 beta, nuclear factor kappa B, and apoptotic markers (Bcl2, Bax, and caspase-3), were measured to determine the anti-oxidant effect of lycopene. In SH-SY5Y neuroblastoma cells, pretreatment with 10 µM lycopene significantly reduced the toxicity brought on by exposure to nano-TiO2, according to MTT assay findings and lactate dehydrogenase (LDH) cytotoxicity assessment. In cells exposed to nano-TiO2, lycopene pretreatment significantly boosted the activity of antioxidative enzymes and reduced oxidative stress. Furthermore, when SH-SY5Y cells were subjected to nano-TiO2, lycopene pretreatment stopped neuroinflammation and apoptosis. The findings of this study suggest that lycopene may be an effective neuroprotective against oxidative stress and neuroinflammation and may be used to stop neuronal death or injury in a variety of neurological illnesses.
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Affiliation(s)
- Rafa Almeer
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Nouf M Alyami
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
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2
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Cao Y, Wang H, Liang C, Liu Q, Ou T, Yong L, Xiao X, Sui H, Jiang D, Liu Z, Wei S, Song Y. Characterization of Food-Additive Titanium Dioxide and Dietary Exposure to Titanium Dioxide Nanoparticles among the Chinese Population. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1427. [PMID: 39269089 PMCID: PMC11397697 DOI: 10.3390/nano14171427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Revised: 08/11/2024] [Accepted: 08/28/2024] [Indexed: 09/15/2024]
Abstract
Titanium dioxide (TiO2) is a prevalent food additive, yet comprehensive data on particle size and dietary exposure are lacking in China. Transmission electron microscopy results revealed that the quantitative proportion of nanoparticles (NPs) in food-additive TiO2 was 37.7%, with a mass fraction of 9.89%. Laboratory test results showed that among the domestic products surveyed, candies excluding gum-based candies contained the highest content of TiO2. Using consumption data from the China Health and Nutrition Survey in 2018, the average dietary exposure for TiO2 and TiO2 NPs in the Chinese population were calculated at 34.84 and 3.44 μg/kg bw/day, respectively. The primary dietary sources were puffed food and powdered drinks. Exposure varied significantly across age and region, with children and Inner Mongolia residents having the highest intake. TiO2 NP exposure showed a negative correlation with age. Despite this, the dietary exposure risk of TiO2 NPs for the Chinese population remains deemed acceptable.
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Affiliation(s)
- Yue Cao
- Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Guangqu Road, Beijing 100022, China
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Hangkong Road, Wuhan 430030, China
| | - Huali Wang
- Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Guangqu Road, Beijing 100022, China
| | - Chunlai Liang
- Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Guangqu Road, Beijing 100022, China
| | - Qing Liu
- Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Guangqu Road, Beijing 100022, China
| | - Tong Ou
- Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Guangqu Road, Beijing 100022, China
| | - Ling Yong
- Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Guangqu Road, Beijing 100022, China
| | - Xiao Xiao
- Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Guangqu Road, Beijing 100022, China
| | - Haixia Sui
- Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Guangqu Road, Beijing 100022, China
| | - Dingguo Jiang
- Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Guangqu Road, Beijing 100022, China
| | - Zhaoping Liu
- Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Guangqu Road, Beijing 100022, China
| | - Sheng Wei
- School of Public Health and Emergency Management, Southern University of Science and Technology, 1088 Academy Avenue, Nanshan District, Shenzhen 518055, China
| | - Yan Song
- Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Guangqu Road, Beijing 100022, China
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3
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Khan J, Kim ND, Bromhead C, Truman P, Kruger MC, Mallard BL. Hepatotoxicity of titanium dioxide nanoparticles. J Appl Toxicol 2024. [PMID: 38740968 DOI: 10.1002/jat.4626] [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: 02/22/2024] [Revised: 04/21/2024] [Accepted: 04/25/2024] [Indexed: 05/16/2024]
Abstract
The food additive E171 (titanium dioxide, TiO2), is widely used in foods, pharmaceuticals and cosmetics. It is a fine white powder, with at least one third of its particles sized in the nanoparticulate (˂100 nm range, TiO2 NPs). The use of E171 is controversial as its relevant risk assessment has never been satisfactorily accomplished. In vitro and in vivo studies have shown dose-dependent toxicity in various organs including the liver. TiO2 NPs have been shown to induce inflammation, cell death and structural and functional changes within the liver. The toxicity of TiO2 NPs in experimental models varies between organs and according to their physiochemical characteristics and parameters such as dosage and route of administration. Among these factors, ingestion is the most significant exposure route, and the liver is a key target organ. The aim of this review is to highlight the reported adverse effects of orally administered TiO2 NPs on the liver and to discuss the controversial state of its toxicity.
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Affiliation(s)
- Jangrez Khan
- School of Health Sciences, Massey University, PO Box 756, Wellington, 6021, New Zealand
| | - Nicholas D Kim
- School of Health Sciences, Massey University, PO Box 756, Wellington, 6021, New Zealand
| | - Collette Bromhead
- School of Health Sciences, Massey University, PO Box 756, Wellington, 6021, New Zealand
| | - Penelope Truman
- School of Health Sciences, Massey University, PO Box 756, Wellington, 6021, New Zealand
| | - Marlena C Kruger
- School of Health Sciences, Massey University, PO Box 756, Wellington, 6021, New Zealand
| | - Beth L Mallard
- School of Health Sciences, Massey University, PO Box 756, Wellington, 6021, New Zealand
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4
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Wang YL, Lee YH, Chou CL, Chang YS, Liu WC, Chiu HW. Oxidative stress and potential effects of metal nanoparticles: A review of biocompatibility and toxicity concerns. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 346:123617. [PMID: 38395133 DOI: 10.1016/j.envpol.2024.123617] [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: 06/20/2023] [Revised: 02/17/2024] [Accepted: 02/18/2024] [Indexed: 02/25/2024]
Abstract
Metal nanoparticles (M-NPs) have garnered significant attention due to their unique properties, driving diverse applications across packaging, biomedicine, electronics, and environmental remediation. However, the potential health risks associated with M-NPs must not be disregarded. M-NPs' ability to accumulate in organs and traverse the blood-brain barrier poses potential health threats to animals, humans, and the environment. The interaction between M-NPs and various cellular components, including DNA, multiple proteins, and mitochondria, triggers the production of reactive oxygen species (ROS), influencing several cellular activities. These interactions have been linked to various effects, such as protein alterations, the buildup of M-NPs in the Golgi apparatus, heightened lysosomal hydrolases, mitochondrial dysfunction, apoptosis, cell membrane impairment, cytoplasmic disruption, and fluctuations in ATP levels. Despite the evident advantages M-NPs offer in diverse applications, gaps in understanding their biocompatibility and toxicity necessitate further research. This review provides an updated assessment of M-NPs' pros and cons across different applications, emphasizing associated hazards and potential toxicity. To ensure the responsible and safe use of M-NPs, comprehensive research is conducted to fully grasp the potential impact of these nanoparticles on both human health and the environment. By delving into their intricate interactions with biological systems, we can navigate the delicate balance between harnessing the benefits of M-NPs and minimizing potential risks. Further exploration will pave the way for informed decision-making, leading to the conscientious development of these nanomaterials and safeguarding the well-being of society and the environment.
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Affiliation(s)
- Yung-Li Wang
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
| | - Yu-Hsuan Lee
- Department of Cosmeceutics, China Medical University, Taichung, 406, Taiwan
| | - Chu-Lin Chou
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan; Division of Nephrology, Department of Internal Medicine, Hsin Kuo Min Hospital, Taipei Medical University, Taoyuan City, 320, Taiwan; TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei, 110, Taiwan; Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, 235, Taiwan
| | - Yu-Sheng Chang
- Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, 235, Taiwan; Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan
| | - Wen-Chih Liu
- Department of Biology and Anatomy, National Defense Medical Center, Taipei, 114, Taiwan; Section of Nephrology, Department of Medicine, Antai Medical Care Corporation Antai Tian-Sheng Memorial Hospital, Pingtung, 928, Taiwan; Department of Nursing, Meiho University, Pingtung, 912, Taiwan
| | - Hui-Wen Chiu
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, 110, Taiwan; TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei, 110, Taiwan; Department of Medical Research, Shuang Ho Hospital, Taipei Medical University, New Taipei City, 235, Taiwan; Ph.D. Program in Drug Discovery and Development Industry, College of Pharmacy, Taipei Medical University, Taipei, 110, Taiwan.
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5
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van Trijp MPH, Rios-Morales M, Witteman B, Abegaz F, Gerding A, An R, Koehorst M, Evers B, van Dongen KCV, Zoetendal EG, Schols H, Afman LA, Reijngoud DJ, Bakker BM, Hooiveld GJ. Intraintestinal fermentation of fructo- and galacto-oligosaccharides and the fate of short-chain fatty acids in humans. iScience 2024; 27:109208. [PMID: 38420581 PMCID: PMC10901090 DOI: 10.1016/j.isci.2024.109208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 12/21/2023] [Accepted: 02/07/2024] [Indexed: 03/02/2024] Open
Abstract
Consumption of fructo- (FOS) and galacto-oligosaccharides (GOS) has health benefits which have been linked in part to short-chain fatty acids (SCFA) production by the gut microbiota. However, detailed knowledge of this process in the human intestine is lacking. We aimed to determine the acute fermentation kinetics of a FOS:GOS mixture in healthy males using a naso-intestinal catheter for sampling directly in the ileum or colon. We studied the fate of SCFA as substrates for glucose and lipid metabolism by the host after infusion of 13C-SCFA. In the human distal ileum, no fermentation of FOS:GOS, nor SCFA production, or bacterial cross-feeding was observed. The relative composition of intestinal microbiota changed rapidly during the test day, which demonstrates the relevance of postprandial intestinal sampling to track acute responses of the microbial community toward interventions. SCFA were vividly taken up and metabolized by the host as shown by incorporation of 13C in various host metabolites.
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Affiliation(s)
- Mara P H van Trijp
- Division of Human Nutrition and Health, Wageningen University, Wageningen 6708 WE, the Netherlands
| | - Melany Rios-Morales
- Laboratory of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen 9713 GZ, the Netherlands
| | - Ben Witteman
- Division of Human Nutrition and Health, Wageningen University, Wageningen 6708 WE, the Netherlands
- Hospital Gelderse Vallei, Department of Gastroenterology and Hepatology, Ede 6716 RP, the Netherlands
| | - Fentaw Abegaz
- Laboratory of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen 9713 GZ, the Netherlands
- Statistics and Probability Unit, University of Groningen, Groningen 9747 AG, the Netherlands
| | - Albert Gerding
- Laboratory of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen 9713 GZ, the Netherlands
- Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen 9713 GZ, the Netherlands
| | - Ran An
- Laboratory of Microbiology, Wageningen University, Wageningen 6708 WE, the Netherlands
| | - Martijn Koehorst
- Laboratory of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen 9713 GZ, the Netherlands
- Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen 9713 GZ, the Netherlands
| | - Bernard Evers
- Laboratory of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen 9713 GZ, the Netherlands
| | - Katja C V van Dongen
- Division of Toxicology, Wageningen University, Wageningen 6708 WE, the Netherlands
| | - Erwin G Zoetendal
- Laboratory of Microbiology, Wageningen University, Wageningen 6708 WE, the Netherlands
| | - Henk Schols
- Laboratory of Food Chemistry, Wageningen University, Wageningen 6708 WG, the Netherlands
| | - Lydia A Afman
- Division of Human Nutrition and Health, Wageningen University, Wageningen 6708 WE, the Netherlands
| | - Dirk-Jan Reijngoud
- Laboratory of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen 9713 GZ, the Netherlands
| | - Barbara M Bakker
- Laboratory of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen 9713 GZ, the Netherlands
| | - Guido J Hooiveld
- Division of Human Nutrition and Health, Wageningen University, Wageningen 6708 WE, the Netherlands
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6
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Malaisé Y, Casale E, Pettes-Duler A, Cartier C, Gaultier E, Martins Breyner N, Houdeau E, Evariste L, Lamas B. Validating Enteroid-Derived Monolayers from Murine Gut Organoids for Toxicological Testing of Inorganic Particles: Proof-of-Concept with Food-Grade Titanium Dioxide. Int J Mol Sci 2024; 25:2635. [PMID: 38473881 DOI: 10.3390/ijms25052635] [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: 01/17/2024] [Revised: 02/16/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024] Open
Abstract
Human exposure to foodborne inorganic nanoparticles (NPs) is a growing concern. However, identifying potential hazards linked to NP ingestion often requires long-term exposure in animals. Owing these constraints, intestinal organoids are a promising alternative to in vivo experiments; as such, an in vitro approach should enable a rapid and reliable assessment of the effects of ingested chemicals on the gut. However, this remains to be validated for inorganic substances. In our study, a transcriptomic analysis and immunofluorescence staining were performed to compare the effects of food-grade TiO2 (fg-TiO2) on enteroid-derived monolayers (EDMs) from murine intestinal organoids to the known impacts of TiO2 on intestinal epithelium. After their ability to respond to a pro-inflammatory cytokine cocktail was validated, EDMs were exposed to 0, 0.1, 1, or 10 µg fg-TiO2/mL for 24 h. A dose-related increase of the muc2, vilin 1, and chromogranin A gene markers of cell differentiation was observed. In addition, fg-TiO2 induced apoptosis and dose-dependent genotoxicity, while a decreased expression of genes encoding for antimicrobial peptides, and of genes related to tight junction function, was observed. These results validated the use of EDMs as a reliable model for the toxicity testing of foodborne NPs likely to affect the intestinal barrier.
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Affiliation(s)
- Yann Malaisé
- Toxalim UMR1331 (Research Centre in Food Toxicology), Toulouse University, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France
| | - Eva Casale
- Toxalim UMR1331 (Research Centre in Food Toxicology), Toulouse University, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France
| | - Aurélie Pettes-Duler
- Toxalim UMR1331 (Research Centre in Food Toxicology), Toulouse University, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France
| | - Christel Cartier
- Toxalim UMR1331 (Research Centre in Food Toxicology), Toulouse University, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France
| | - Eric Gaultier
- Toxalim UMR1331 (Research Centre in Food Toxicology), Toulouse University, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France
| | - Natalia Martins Breyner
- Toxalim UMR1331 (Research Centre in Food Toxicology), Toulouse University, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France
| | - Eric Houdeau
- Toxalim UMR1331 (Research Centre in Food Toxicology), Toulouse University, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France
| | - Lauris Evariste
- Toxalim UMR1331 (Research Centre in Food Toxicology), Toulouse University, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France
| | - Bruno Lamas
- Toxalim UMR1331 (Research Centre in Food Toxicology), Toulouse University, INRAE, ENVT, INP-Purpan, UPS, 31027 Toulouse, France
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7
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Mejía-Jaramillo AM, Gómez-Hoyos C, Cañas Gutierrez AI, Correa-Hincapié N, Zuluaga Gallego R, Triana-Chávez O. Tackling the cytotoxicity and genotoxicity of cellulose nanofibers from the banana rachis: A new food packaging alternative. Heliyon 2023; 9:e21560. [PMID: 37954306 PMCID: PMC10632726 DOI: 10.1016/j.heliyon.2023.e21560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/21/2023] [Accepted: 10/24/2023] [Indexed: 11/14/2023] Open
Abstract
Cellulose nanofibrils from the banana rachis are a good alternative as packaging materials, food packaging, stabilizing agents, and functional food ingredients. To address the potential effects of ingested banana rachis cellulose nanofibrils (BR-CNFs), their toxicity in vitro and in vivo was evaluated using Caco-2 intestinal cells and mice, respectively. The results showed that BR-CNFs did not cause cytotoxic effects at the concentrations evaluated on Caco-2 cells. In addition to cytotoxicity tests, genotoxicity assays using comet assay indicated that Caco-2 cells showed no DNA damage at the concentrations of CNFs tested. Finally, acute in vivo cytotoxicity assays indicated that mice showed no sign of pathogenesis or lesions in the liver, kidney, or small intestine when treated with a single dose of BR-CNFs. Moreover, when the mice were treated daily for a month with BR-CNFs no hyperplasia or hypertrophy was observed in any of the organs evaluated. Additionally, biochemical parameters such as blood chemistry, creatinine, liver enzymes, and renal function showed that the BR-CNFs do not cause organ damage. Overall, this study shows that BR-CNFs are neither cytotoxic nor genotoxic. In conclusion, these studies are essential to guarantee the safety of this high value-added product in the food industry.
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Affiliation(s)
- Ana María Mejía-Jaramillo
- Grupo Biología y Control de Enfermedades Infecciosas - BCEI, Universidad de Antioquia, Medellín, 050010, Colombia
| | - Catalina Gómez-Hoyos
- Facultad de Ingeniería Agroindustrial, Universidad Pontificia Bolivariana, Circular 1_N_70-01, Medellín, 050031, Colombia
| | - Ana Isabel Cañas Gutierrez
- Facultad de Ingeniería Agroindustrial, Universidad Pontificia Bolivariana, Circular 1_N_70-01, Medellín, 050031, Colombia
| | - Natalia Correa-Hincapié
- Grupo Calidad, Metrología y Producción, Instituto Tecnológico Metropolitano, Medellín, 050013, Colombia
| | - Robin Zuluaga Gallego
- Facultad de Ingeniería Agroindustrial, Universidad Pontificia Bolivariana, Circular 1_N_70-01, Medellín, 050031, Colombia
| | - Omar Triana-Chávez
- Grupo Biología y Control de Enfermedades Infecciosas - BCEI, Universidad de Antioquia, Medellín, 050010, Colombia
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8
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Bruno L, Evariste L, Houdeau E. Dysregulation along the gut microbiota-immune system axis after oral exposure to titanium dioxide nanoparticles: A possible environmental factor promoting obesity-related metabolic disorders. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 330:121795. [PMID: 37187281 DOI: 10.1016/j.envpol.2023.121795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/24/2023] [Accepted: 05/07/2023] [Indexed: 05/17/2023]
Abstract
Food additives are one major hallmark of ultra-processed food in the Western-diet, a food habit often associated with metabolic disorders. Among these additives, the whitener and opacifying agent titanium dioxide (TiO2) raises public health issues due to the ability of TiO2 nanoparticles (NPs) to cross biological barriers and accumulate in different systemic organs like spleen, liver and pancreas. However before their systemic passage, the biocidal properties of TiO2 NPs may alter the composition and activity of the gut microbiota, which play a crucial role for the development and maintenance of immune functions. Once absorbed, TiO2 NPs may further interact with immune intestinal cells involved in gut microbiota regulation. Since obesity-related metabolic diseases such as diabetes are associated with alterations in the microbiota-immune system axis, this raises questions about the possible involvement of long-term exposure to food-grade TiO2 in the development or worsening of these diseases. The current purpose is to review the dysregulations along the gut microbiota-immune system axis after oral TiO2 exposure compared to those reported in obese or diabetic patients, and to highlight potential mechanisms by which foodborne TiO2 NPs may increase the susceptibility to develop obesity-related metabolic disorders.
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Affiliation(s)
- Lamas Bruno
- Toxalim (Research Centre in Food Toxicology), Team Endocrinology and Toxicology of Intestinal Barrier, Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France.
| | - Lauris Evariste
- Toxalim (Research Centre in Food Toxicology), Team Endocrinology and Toxicology of Intestinal Barrier, Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Eric Houdeau
- Toxalim (Research Centre in Food Toxicology), Team Endocrinology and Toxicology of Intestinal Barrier, Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, Toulouse, France
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9
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Ma Y, Zhang J, Yu N, Shi J, Zhang Y, Chen Z, Jia G. Effect of Nanomaterials on Gut Microbiota. TOXICS 2023; 11:384. [PMID: 37112611 PMCID: PMC10144479 DOI: 10.3390/toxics11040384] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/07/2023] [Accepted: 04/16/2023] [Indexed: 06/19/2023]
Abstract
Nanomaterials are widely employed in everyday life, including food and engineering. Food additives on a nanoscale can enter the body via the digestive tract. The human gut microbiota is a dynamically balanced ecosystem composed of a multitude of microorganisms that play a crucial role in maintaining the proper physiological function of the digestive tract and the body's endocrine coordination. While the antibacterial capabilities of nanomaterials have received much interest in recent years, their impacts on gut microbiota ought to be cautioned about and explored. Nanomaterials exhibit good antibacterial capabilities in vitro. Animal studies have revealed that oral exposure to nanomaterials inhibits probiotic reproduction, stimulates the inflammatory response of the gut immune system, increases opportunistic infections, and changes the composition and structure of the gut microbiota. This article provides an overview of the impacts of nanomaterials, particularly titanium dioxide nanoparticles (TiO2 NPs), on the gut microbiota. It advances nanomaterial safety research and offers a scientific foundation for the prevention, control, and treatment of illnesses associated with gut microbiota abnormalities.
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Affiliation(s)
- Ying Ma
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100191, China
| | - Jiahe Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100191, China
| | - Nairui Yu
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100191, China
| | - Jiaqi Shi
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100191, China
| | - Yi Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100191, China
| | - Zhangjian Chen
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100191, China
| | - Guang Jia
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100191, China
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10
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Impact of food preservatives based on immobilized phenolic compounds on an in vitro model of human gut microbiota. Food Chem 2023; 403:134363. [DOI: 10.1016/j.foodchem.2022.134363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 09/13/2022] [Accepted: 09/18/2022] [Indexed: 11/21/2022]
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11
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Baranowska-Wójcik E, Szwajgier D, Gustaw K, Jośko I, Pawlikowska-Pawlęga B, Kapral-Piotrowska J. Reduced bioaccessibility of TiO 2 (E 171) during puree soup digestion in a gastrointestinal tract simulated in vitro. Food Res Int 2023; 164:112189. [PMID: 36737890 DOI: 10.1016/j.foodres.2022.112189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 11/14/2022] [Accepted: 11/15/2022] [Indexed: 11/21/2022]
Abstract
E171 (TiO2- Ttitanium dioxide), a food colourant containing nano fractions, is one of the additives used e.g. in the food industry, whose consumption may have a negative impact on human health. In order to determine the ability of food products and intestinal lactic acid bacteria to interact with TiO2, we conducted in vitro "digestions" of a food matrix (meat/vegetable puree soup) using an advanced in vitro model of the "gastrointestinal tract". The "bioaccessibility" of TiO2 was simulated using microfiltration (0.2 µm) of the post-digestive fluid. We observed changes in the content of TiO2 in the microfiltrates obtained at various stages of the in vitro digestions, dependent on the stage of the process. This result suggests that TiO2 interacts with food components and bacterial cells. Furthermore, scanning electron microscopy revealed visible morphological changes to bacterial cells in the presence of TiO2.
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Affiliation(s)
- E Baranowska-Wójcik
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences, Skromna Street 8, 20-704 Lublin, Poland.
| | - D Szwajgier
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences, Skromna Street 8, 20-704 Lublin, Poland
| | - K Gustaw
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences, Skromna Street 8, 20-704 Lublin, Poland
| | - I Jośko
- Institute of Plant Genetics, Breeding and Biotechnology, Faculty of Agrobioengineering, University of Life Sciences, Lublin, Poland
| | - B Pawlikowska-Pawlęga
- Department of Functional Anatomy and Cytobiology, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
| | - J Kapral-Piotrowska
- Department of Functional Anatomy and Cytobiology, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
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12
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Skłodowski K, Chmielewska-Deptuła SJ, Piktel E, Wolak P, Wollny T, Bucki R. Metallic Nanosystems in the Development of Antimicrobial Strategies with High Antimicrobial Activity and High Biocompatibility. Int J Mol Sci 2023; 24:2104. [PMID: 36768426 PMCID: PMC9917064 DOI: 10.3390/ijms24032104] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/12/2023] [Accepted: 01/18/2023] [Indexed: 01/25/2023] Open
Abstract
Antimicrobial resistance is a major and growing global problem and new approaches to combat infections caused by antibiotic resistant bacterial strains are needed. In recent years, increasing attention has been paid to nanomedicine, which has great potential in the development of controlled systems for delivering drugs to specific sites and targeting specific cells, such as pathogenic microbes. There is continued interest in metallic nanoparticles and nanosystems based on metallic nanoparticles containing antimicrobial agents attached to their surface (core shell nanosystems), which offer unique properties, such as the ability to overcome microbial resistance, enhancing antimicrobial activity against both planktonic and biofilm embedded microorganisms, reducing cell toxicity and the possibility of reducing the dosage of antimicrobials. The current review presents the synergistic interactions within metallic nanoparticles by functionalizing their surface with appropriate agents, defining the core structure of metallic nanoparticles and their use in combination therapy to fight infections. Various approaches to modulate the biocompatibility of metallic nanoparticles to control their toxicity in future medical applications are also discussed, as well as their ability to induce resistance and their effects on the host microbiome.
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Affiliation(s)
- Karol Skłodowski
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, 15-222 Bialystok, Poland
| | | | - Ewelina Piktel
- Independent Laboratory of Nanomedicine, Medical University of Bialystok, 15-222 Bialystok, Poland
| | - Przemysław Wolak
- Institute of Medical Science, Collegium Medicum, Jan Kochanowski University of Kielce, IX Wieków Kielce 19A, 25-317 Kielce, Poland
| | - Tomasz Wollny
- Holy Cross Oncology Center of Kielce, Artwińskiego 3, 25-734 Kielce, Poland
| | - Robert Bucki
- Department of Medical Microbiology and Nanobiomedical Engineering, Medical University of Bialystok, 15-222 Bialystok, Poland
- Institute of Medical Science, Collegium Medicum, Jan Kochanowski University of Kielce, IX Wieków Kielce 19A, 25-317 Kielce, Poland
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13
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Hu W, Wang C, Gao D, Liang Q. Toxicity of transition metal nanoparticles: A review of different experimental models in the gastrointestinal tract. J Appl Toxicol 2023; 43:32-46. [PMID: 35289422 DOI: 10.1002/jat.4320] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/09/2022] [Accepted: 03/11/2022] [Indexed: 12/16/2022]
Abstract
The development of nanotechnology is becoming a major trend nowadays. Nanoparticles (NPs) have been widely used in fields including food, biomedicine, and cosmetics, endowing NPs more opportunities to enter the human body. It is well-known that the gut microbiome plays a key role in human health, and the exposure of intestines to NPs is unavoidable. Accordingly, the toxicity of NPs has attracted more attention than before. This review mainly highlights recent advances in the evaluation of NPs' toxicity in the gastrointestinal system from the existing cell-based experimental models, such as the original mono-culture models, co-culture models, three-dimensional (3D) culture models, and the models established on microfluidic chips, to those in vivo experiments, such as mice models, Caenorhabditis elegans models, zebrafish models, human volunteers, as well as computer-simulated toxicity models. Owing to these models, especially those more biomimetic models, the outcome of the toxicity of NPs acting in the gastrointestinal tract can get results closer to what happened inside the real human microenvironment.
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Affiliation(s)
- Wanting Hu
- State Key Laboratory of Chemical Oncogenomics, Graduate School at Shenzhen, Tsinghua University, Shenzhen, China.,Center for Synthetic and Systems Biology, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, China
| | - Chenlong Wang
- Center for Synthetic and Systems Biology, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, China
| | - Dan Gao
- State Key Laboratory of Chemical Oncogenomics, Graduate School at Shenzhen, Tsinghua University, Shenzhen, China
| | - Qionglin Liang
- Center for Synthetic and Systems Biology, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, China
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14
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Kamal Z, Ebnalwaled AA, Al-Amgad Z, Said AH, Metwally AA, Zigo F, Ondrašovičová S, Rehan IF. Ameliorative effect of biosynthesized titanium dioxide nanoparticles using garlic extract on the body weight and developmental toxicity of liver in albino rats compared with chemically synthesized nanoparticles. Front Vet Sci 2022; 9:1049817. [PMID: 36590803 PMCID: PMC9800981 DOI: 10.3389/fvets.2022.1049817] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 11/11/2022] [Indexed: 12/23/2022] Open
Abstract
The application of metallic nanoparticles poses risks to human and animal health. Titanium dioxide nanoparticles (TiO2NPs) are the most commonly synthesized metallic oxides in the world. Exposure to TiO2NPs can cause toxicity in the target organisms. This study aimed to evaluate the effects of green and chemical TiO2NPs on maternal and embryo-fetal livers. Green TiO2NPs using garlic extract (GTiO2NPs) and chemical TiO2NPs (CHTiO2NPs) were synthesized and characterized by x-ray powder diffraction and high-resolution transmission electron microscopy. The cytotoxicity of both chemical and green TiO2NPs was determined against HepG2 cell lines. Fifty pregnant female Albino rats were equally and randomly divided into five groups. Group 1 was kept as a control. Groups 2 and 3 were orally treated with 100 and 300 mg/kg body weight of CHTiO2NPs, respectively. Groups 4 and 5 were orally treated with 100 and 300 mg/kg of GTiO2NPs, respectively, from day 6 to 19 of gestation. All dams were euthanized on gestation day 20. All live fetuses were weighed and euthanized. Blood and tissue samples were collected for biochemical, histopathological, and Bax-immunohistochemical expression analyses. Our results indicated that garlic could be used as a reducing agent for the synthesis of TiO2NPs, and the produced NPs have no toxic effect against HepG2 cells compared with CHTiO2NPs. The maternal and fetal bodyweights were greatly reduced among the chemically TiO2NPs induced animals. The mean serum level of AST and ALT activities and the total protein level significantly increased when TiO2NPs were administered at high doses. Histologically, the CHTiO2NPs-treated groups revealed vacuolated and necrotized hepatocytes with congested and dilated blood vessels in the fetal and maternal livers. The immunohistochemistry revealed distinct positive staining of Bax expressed in the hepatocytes. Nevertheless, the biosynthesis of TiO2NPs using garlic extract had a minimal effect on the normal architecture of the liver. It could be concluded that the bioactivity of TiO2NPs can be modified by green synthesis using garlic extract. Compared to the CHTiO2NPs, the exposure to GTiO2NPs showed reduced liver damage in maternal and embryo-fetal rats.
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Affiliation(s)
- Zeinab Kamal
- Zoology Department, Faculty of Science, South Valley University, Qena, Egypt
| | - A. A. Ebnalwaled
- Electronic and Nano Devise Lab, Faculty of Science, South Valley University, Qena, Egypt
| | - Zeinab Al-Amgad
- General Authority for Veterinary Services, Faculty of Veterinary Medicine, South Valley University, Qena, Egypt
| | - Alaa H. Said
- Electronic and Nano Devise Lab, Faculty of Science, South Valley University, Qena, Egypt
| | - Asmaa A. Metwally
- Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Aswan University, Aswan, Egypt
| | - František Zigo
- Department of Nutrition and Animal Husbandry, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovakia,František Zigo
| | - Silvia Ondrašovičová
- Department of Biology and Physiology, University of Veterinary Medicine and Pharmacy in Košice, Košice, Slovakia
| | - Ibrahim F. Rehan
- Department of Husbandry and Development of Animal Wealth, Faculty of Veterinary Medicine, Menoufia University, Shebin Alkom, Egypt,Department of Pathobiochemistry, Faculty of Pharmacy, Meijo University, Nagoya-shi, Japan,*Correspondence: Ibrahim F. Rehan
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15
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Safwat G, Mohamed AA, Mohamed HRH. Estimation of genotoxicity, apoptosis and oxidative stress induction by TiO 2 nanoparticles and acrylamide subacute oral coadministration in mice. Sci Rep 2022; 12:18648. [PMID: 36333451 PMCID: PMC9636418 DOI: 10.1038/s41598-022-23302-w] [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: 09/07/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022] Open
Abstract
Acrylamide is used in the industry and can be a by-product of high-temperature food processing which has toxic potential in various tissues, and titanium dioxide nanoparticles (TiO2NPs) are widely used in toothpaste, sweets, food perseveration, chewing gum and medicines. Consequently, humans are daily exposed to large amounts of acrylamide and TiO2NPs mainly through food intake. However, limited studies are available on the effect of simultaneously intake of acrylamide and TiO2NPs on the integrity of genomic DNA and the induction of apoptosis in brain tissues. Therefore, this study estimated the influence of acrylamide coadministration on TiO2NPs induced genomic instability and oxidative stress in the brain tissues of mice. To achieve this, mice were orally administrated acrylamide (3 mg/kg b.w) or/and TiO2NPs (5 mg/kg b.w) for two successive weeks (5 days per week). The comet assay results showed that concurrent oral administration of acrylamide and TiO2NPs strongly induced single- and double stranded DNA breaks, and that the level of reactive oxygen species (ROS) was also highly elevated within neural cells after simultaneous oral intake of acrylamide and TiO2NPs compared to those observed after administration of acrylamide or/TiO2NPs alone. Moreover, oral co-administration of acrylamide with TiO2NPs increased apoptotic DNA damage to neurons by upregulating the expression levels of P53, TNF-α, IL-6 and Presenillin-1 genes compared to groups administered TiO2NPs. Therefore, from these results, the present study concluded that coadministration of acrylamide renders TiO2NPs more genotoxic and motivates apoptotic DNA damage and oxidative stress induced by TiO2NPs in brain cells, and thus it is recommended to avoid concurrent oral acrylamide administration with TiO2NPs.
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Affiliation(s)
- Gehan Safwat
- grid.442760.30000 0004 0377 4079Faculty of Biotechnology, October University for Modern Sciences and Arts, Giza, Egypt
| | - Amira A. Mohamed
- grid.442760.30000 0004 0377 4079Faculty of Biotechnology, October University for Modern Sciences and Arts, Giza, Egypt
| | - Hanan R. H. Mohamed
- grid.7776.10000 0004 0639 9286Zoology Department Faculty of Science, Cairo University, Giza, Egypt
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16
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Influence of free and immobilized chitosan on a defined human gut microbial ecosystem. Food Res Int 2022; 161:111890. [DOI: 10.1016/j.foodres.2022.111890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/27/2022] [Accepted: 08/26/2022] [Indexed: 11/22/2022]
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17
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Lamas B, Evariste L, Houdeau E. Interactions du dioxyde de titane alimentaire avec l’axe microbiote-système immunitaire : un nouvel acteur dans le développement de désordres métaboliques ? CAHIERS DE NUTRITION ET DE DIÉTÉTIQUE 2022. [DOI: 10.1016/j.cnd.2022.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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18
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Ammendolia MG, De Berardis B. Nanoparticle Impact on the Bacterial Adaptation: Focus on Nano-Titania. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3616. [PMID: 36296806 PMCID: PMC9609019 DOI: 10.3390/nano12203616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/29/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
Titanium dioxide nanoparticles (nano-titania/TiO2 NPs) are used in different fields and applications. However, the release of TiO2 NPs into the environment has raised concerns about their biosafety and biosecurity. In light of the evidence that TiO2 NPs could be used to counteract antibiotic resistance, they have been investigated for their antibacterial activity. Studies reported so far indicate a good performance of TiO2 NPs against bacteria, alone or in combination with antibiotics. However, bacteria are able to invoke multiple response mechanisms in an attempt to adapt to TiO2 NPs. Bacterial adaption arises from global changes in metabolic pathways via the modulation of regulatory networks and can be related to single-cell or multicellular communities. This review describes how the impact of TiO2 NPs on bacteria leads to several changes in microorganisms, mainly during long-term exposure, that can evolve towards adaptation and/or increased virulence. Strategies employed by bacteria to cope with TiO2 NPs suggest that their use as an antibacterial agent has still to be extensively investigated from the point of view of the risk of adaptation, to prevent the development of resistance. At the same time, possible effects on increased virulence following bacterial target modifications by TiO2 NPs on cells or tissues have to be considered.
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19
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Rolo D, Assunção R, Ventura C, Alvito P, Gonçalves L, Martins C, Bettencourt A, Jordan P, Vital N, Pereira J, Pinto F, Matos P, Silva MJ, Louro H. Adverse Outcome Pathways Associated with the Ingestion of Titanium Dioxide Nanoparticles-A Systematic Review. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12193275. [PMID: 36234403 PMCID: PMC9565478 DOI: 10.3390/nano12193275] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/12/2022] [Accepted: 09/13/2022] [Indexed: 05/15/2023]
Abstract
Titanium dioxide nanoparticles (TiO2-NPs) are widely used, and humans are exposed through food (E171), cosmetics (e.g., toothpaste), and pharmaceuticals. The oral and gastrointestinal (GIT) tract are the first contact sites, but it may be systemically distributed. However, a robust adverse outcome pathway (AOP) has not been developed upon GIT exposure to TiO2-NPs. The aim of this review was to provide an integrative analysis of the published data on cellular and molecular mechanisms triggered after the ingestion of TiO2-NPs, proposing plausible AOPs that may drive policy decisions. A systematic review according to Prisma Methodology was performed in three databases of peer-reviewed literature: Pubmed, Scopus, and Web of Science. A total of 787 records were identified, screened in title/abstract, being 185 used for data extraction. The main endpoints identified were oxidative stress, cytotoxicity/apoptosis/cell death, inflammation, cellular and systemic uptake, genotoxicity, and carcinogenicity. From the results, AOPs were proposed where colorectal cancer, liver injury, reproductive toxicity, cardiac and kidney damage, as well as hematological effects stand out as possible adverse outcomes. The recent transgenerational studies also point to concerns with regard to population effects. Overall, the findings further support a limitation of the use of TiO2-NPs in food, announced by the European Food Safety Authority (EFSA).
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Affiliation(s)
- Dora Rolo
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- ToxOmics—Centre for Toxicogenomics and Human Health, NOVA Medical School, Universidade NOVA de Lisboa, 1169-056 Lisbon, Portugal
- Correspondence:
| | - Ricardo Assunção
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- CESAM, Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal
- IUEM, Instituto Universitário Egas Moniz, Egas Moniz-Cooperativa de Ensino Superior, CRL, 2829-511 Monte de Caparica, Portugal
| | - Célia Ventura
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- ToxOmics—Centre for Toxicogenomics and Human Health, NOVA Medical School, Universidade NOVA de Lisboa, 1169-056 Lisbon, Portugal
| | - Paula Alvito
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- CESAM, Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Lídia Gonçalves
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon, 1649-003 Lisbon, Portugal
| | - Carla Martins
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- NOVA National School of Public Health, Public Health Research Centre, Universidade NOVA de Lisboa, 1600-560 Lisbon, Portugal
- Comprehensive Health Research Center (CHRC), 1169-056 Lisbon, Portugal
| | - Ana Bettencourt
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon, 1649-003 Lisbon, Portugal
| | - Peter Jordan
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- BioISI—Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
| | - Nádia Vital
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- ToxOmics—Centre for Toxicogenomics and Human Health, NOVA Medical School, Universidade NOVA de Lisboa, 1169-056 Lisbon, Portugal
- NOVA Medical School, Universidade NOVA de Lisboa, 1169-056 Lisbon, Portugal
| | - Joana Pereira
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- BioISI—Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
| | - Fátima Pinto
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- ToxOmics—Centre for Toxicogenomics and Human Health, NOVA Medical School, Universidade NOVA de Lisboa, 1169-056 Lisbon, Portugal
| | - Paulo Matos
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- BioISI—Biosystems & Integrative Sciences Institute, Faculty of Sciences, University of Lisbon, 1749-016 Lisbon, Portugal
| | - Maria João Silva
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- ToxOmics—Centre for Toxicogenomics and Human Health, NOVA Medical School, Universidade NOVA de Lisboa, 1169-056 Lisbon, Portugal
| | - Henriqueta Louro
- National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal
- ToxOmics—Centre for Toxicogenomics and Human Health, NOVA Medical School, Universidade NOVA de Lisboa, 1169-056 Lisbon, Portugal
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20
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Baranowska-Wójcik E, Szwajgier D, Jośko I, Pawlikowska-Pawlęga B, Gustaw K. Smoothies Reduce the "Bioaccessibility" of TiO 2 (E 171) in the Model of the In Vitro Gastrointestinal Tract. Nutrients 2022; 14:3503. [PMID: 36079762 PMCID: PMC9460534 DOI: 10.3390/nu14173503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/19/2022] [Accepted: 08/23/2022] [Indexed: 12/02/2022] Open
Abstract
The food colorant E171 (TiO2) containing nano fractions can cause potential health problems. In the presented work, we used a "gastrointestinal tract" model (oral→large intestine) to "digest" a fruit smoothie in the presence of TiO2 nanoparticles and the Lactiplantibacillus plantarum B strain. The TiO2 migration was measured using the microfiltration membrane (0.2 µm; model of "TiO2 bioacessability"). We observed that the addition of the smoothie reduced the Ti content in the microfiltrate (reduced "bioacessability") at the "mouth", "stomach" and "large intestine" stages, probably due to the entrapment of Ti by the smoothie components. A significant decrease in Ti "bioaccessibility" at the "gastric" stage may have resulted from the agglomeration of nanoparticles at a low pH. Additionally, the presence of bacterial cells reduced the "bioaccessibility" at the "large intestine" stage. Microscopic imaging (SEM) revealed clear morphological changes to the bacterial cells in the presence of TiO2 (altered topography, shrunk-deformed cells with collapsed walls due to leakage of the content, indentations). Additionally, TiO2 significantly reduced the growth of the tested bacteria. It can be stated that the interactions (most probably entrapment) of TiO2 in the food matrix can occur during the digestion. This can influence the physicochemical properties, bioavailability and in vivo effect of TiO2. Research aimed at understanding the interactions between TiO2 and food components is in progress.
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Affiliation(s)
- Ewa Baranowska-Wójcik
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences, Skromna Street 8, 20-704 Lublin, Poland
| | - Dominik Szwajgier
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences, Skromna Street 8, 20-704 Lublin, Poland
| | - Izabela Jośko
- Institute of Plant Genetics, Breeding and Biotechnology, Faculty of Agrobioengineering, University of Life Sciences, Akademicka Street 13, 20-950 Lublin, Poland
| | - Bożena Pawlikowska-Pawlęga
- Department of Functional Anatomy and Cytobiology, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland
| | - Klaudia Gustaw
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences, Skromna Street 8, 20-704 Lublin, Poland
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21
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Zhu X, Zhao L, Wang Y, Hu X, Zhu Y, Yang X. Dietary titanium dioxide particles (E171) promote diet-induced atherosclerosis through reprogramming gut microbiota-mediated choline metabolism in APOE -/- mice. JOURNAL OF HAZARDOUS MATERIALS 2022; 436:129179. [PMID: 35739712 DOI: 10.1016/j.jhazmat.2022.129179] [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: 03/03/2022] [Revised: 05/09/2022] [Accepted: 05/15/2022] [Indexed: 06/15/2023]
Abstract
Food-grade titanium dioxide (E171) has been reported to induce changes in some intestinal metabolites related to development of atherosclerosis (AS). However, little is known about the effects of chronic dietary intake of E171 on AS development, particularly in AS-prone populations with high-choline western diet (HCD). Herein, we disclosed that E171 obviously exacerbated HCD-induced AS through increasing production of trimethylamine (TMA) and pro-atherogenic trimethylamine-N-oxide (TMAO) via remodeling gut microbiota structure in APOE-/- mice. Oral administration of 40 mg/kg E171 daily for 4 months significantly increased the atherosclerotic lesion area, especially in the HCD group. Mechanistic studies revealed that E171 induced much more TMAO production by increasing the gut microbial expression of choline TMA lyases (CutC/D), which converted dietary choline to TMA by a glycyl radical reaction. The 16S rDNA sequencing analysis demonstrated that bacterial strains expressing CutC/D were enriched by E171 in HCD-fed mice. In contrast, gut microbiota depletion eliminated the impact of E171 on choline/TMA/TMAO pathway and AS progression, indicating gut flora shifts were responsible for the exacerbation effects of E171 ingestion on HCD-induced AS. All the results emphasized the alarming role of E171 on AS progression and stated the importance of reevaluating the impact of food additives on the development of chronic diseases.
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Affiliation(s)
- Xiaoqiang Zhu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Lijun Zhao
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yiqian Wang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Xiuwen Hu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yanhong Zhu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.
| | - Xiangliang Yang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China.
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22
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Cornu R, Béduneau A, Martin H. Ingestion of titanium dioxide nanoparticles: a definite health risk for consumers and their progeny. Arch Toxicol 2022; 96:2655-2686. [PMID: 35895099 DOI: 10.1007/s00204-022-03334-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 07/05/2022] [Indexed: 01/13/2023]
Abstract
Titanium dioxide (TiO2) is one of the most commonly used nanomaterials in the world. Additive E171, which is used in the food industry, contains a nanometric particle fraction of TiO2. Oral exposure of humans to these nanoparticles (NPs) is intensive, leading to the question of their impact on health. Daily oral intake by rats of amounts of E171 that are relevant to human intake has been associated with an increased risk of chronic intestinal inflammation and carcinogenesis. Due to their food preferences, children are very exposed to this NP. Furthermore, maternal-foetal transfer of TiO2 NPs during pregnancy, as well as exposure of the offspring by breastfeeding, have been recently described. In France, the use of E171 in the production of foodstuffs was suspended in January 2020 as a precautionary measure. To provide some answers to this public health problem and help global regulatory agencies finalize their decisions, we reviewed in vitro and in vivo studies that address the effects of TiO2 NPs through oral exposure, especially their effects on the gastrointestinal tract, one of the most exposed tissues. Our review also highlights the effects of exposure on the offspring during pregnancy and by breastfeeding.
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Affiliation(s)
- Raphaël Cornu
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France
| | - Arnaud Béduneau
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France
| | - Hélène Martin
- PEPITE EA4267, Univ. Bourgogne Franche-Comté, F-25000, Besançon, France.
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Liu C, Zhan S, Tian Z, Li N, Li T, Wu D, Zeng Z, Zhuang X. Food Additives Associated with Gut Microbiota Alterations in Inflammatory Bowel Disease: Friends or Enemies? Nutrients 2022; 14:nu14153049. [PMID: 35893902 PMCID: PMC9330785 DOI: 10.3390/nu14153049] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/08/2022] [Accepted: 07/21/2022] [Indexed: 12/13/2022] Open
Abstract
During the 21st century, the incidence and prevalence of inflammatory bowel disease (IBD) is rising globally. Despite the pathogenesis of IBD remaining largely unclear, the interactions between environmental exposure, host genetics and immune response contribute to the occurrence and development of this disease. Growing evidence implicates that food additives might be closely related to IBD, but the involved molecular mechanisms are still poorly understood. Food additives may be categorized as distinct types in accordance with their function and property, including artificial sweeteners, preservatives, food colorant, emulsifiers, stabilizers, thickeners and so on. Various kinds of food additives play a role in modifying the interaction between gut microbiota and intestinal inflammation. Therefore, this review comprehensively synthesizes the current evidence on the interplay between different food additives and gut microbiome alterations, and further elucidates the potential mechanisms of food additives–associated microbiota changes involved in IBD.
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Affiliation(s)
- Caiguang Liu
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China; (C.L.); (S.Z.); (N.L.); (T.L.); (D.W.)
| | - Shukai Zhan
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China; (C.L.); (S.Z.); (N.L.); (T.L.); (D.W.)
| | - Zhenyi Tian
- Department of Gastroenterology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China;
| | - Na Li
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China; (C.L.); (S.Z.); (N.L.); (T.L.); (D.W.)
| | - Tong Li
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China; (C.L.); (S.Z.); (N.L.); (T.L.); (D.W.)
| | - Dongxuan Wu
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China; (C.L.); (S.Z.); (N.L.); (T.L.); (D.W.)
| | - Zhirong Zeng
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China; (C.L.); (S.Z.); (N.L.); (T.L.); (D.W.)
- Correspondence: (Z.Z.); (X.Z.)
| | - Xiaojun Zhuang
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China; (C.L.); (S.Z.); (N.L.); (T.L.); (D.W.)
- Correspondence: (Z.Z.); (X.Z.)
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Lazar V, Holban AM, Curutiu C, Ditu LM. Modulation of Gut Microbiota by Essential Oils and Inorganic Nanoparticles: Impact in Nutrition and Health. Front Nutr 2022; 9:920413. [PMID: 35873448 PMCID: PMC9305160 DOI: 10.3389/fnut.2022.920413] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 06/07/2022] [Indexed: 11/13/2022] Open
Abstract
Microbiota plays a crucial role in human health and disease; therefore, the modulation of this complex and yet widely unexplored ecosystem is a biomedical priority. Numerous antibacterial alternatives have been developed in recent years, imposed by the huge problem of antibioresistance, but also by the people demand for natural therapeutical products without side effects, as dysbiosis, cyto/hepatotoxicity. Current studies are focusing mainly in the development of nanoparticles (NPs) functionalized with herbal and fruit essential oils (EOs) to fight resistant pathogens. This is due to their increased efficiency against susceptible, multidrug resistant and biofilm embedded microorganisms. They are also studied because of their versatile properties, size and possibility to ensure a targeted administration and a controlled release of bioactive substances. Accordingly, an increasing number of studies addressing the effects of functional nanoparticles and plant products on microbial pathogens has been observed. Regardless the beneficial role of EOs and NPs in the treatment of infectious diseases, concerns regarding their potential activity against human microbiota raised constantly in recent years. The main focus of current research is on gut microbiota (GM) due to well documented metabolic and immunological functions of gut microbes. Moreover, GM is constantly exposed to micro- and nano-particles, but also plant products (including EOs). Because of the great diversity of both microbiota and chemical antimicrobial alternatives (i.e., nanomaterials and EOs), here we limit our discussion on the interactions of gut microbiota, inorganic NPs and EOs. Impact of accidental exposure caused by ingestion of day care products, foods, atmospheric particles and drugs containing nanoparticles and/or fruit EOs on gut dysbiosis and associated diseases is also dissected in this paper. Current models developed to investigate mechanisms of dysbiosis after exposure to NPs/EOs and perspectives for identifying factors driving EOs functionalized NPs dysbiosis are reviewed.
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Affiliation(s)
- Veronica Lazar
- Department of Botany and Microbiology, Faculty of Biology, University of Bucharest, Bucharest, Romania
| | - Alina-Maria Holban
- Department of Botany and Microbiology, Faculty of Biology, University of Bucharest, Bucharest, Romania
- Laboratory of Microbiology, Research Institute of the University of Bucharest, Bucharest, Romania
- *Correspondence: Alina-Maria Holban
| | - Carmen Curutiu
- Department of Botany and Microbiology, Faculty of Biology, University of Bucharest, Bucharest, Romania
| | - Lia Mara Ditu
- Department of Botany and Microbiology, Faculty of Biology, University of Bucharest, Bucharest, Romania
- Laboratory of Microbiology, Research Institute of the University of Bucharest, Bucharest, Romania
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25
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Grace-Farfaglia P, Frazier H, Iversen MD. Essential Factors for a Healthy Microbiome: A Scoping Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:8361. [PMID: 35886216 PMCID: PMC9315476 DOI: 10.3390/ijerph19148361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 07/05/2022] [Accepted: 07/06/2022] [Indexed: 12/19/2022]
Abstract
Recent discoveries of the purpose and potential of microbial interactions with humans have broad implications for our understanding of metabolism, immunity, the host−microbe genetic interactions. Bioavailability and bioaccessibility of phytonutrients in foods not only enrich microbial diversity in the lower human gastrointestinal tract (GIT) but also direct the functioning of the metagenome of the microbiota. Thus, healthy choices must include foods that contain nutrients that satisfy both the needs of humans and their microbes. Physical activity interventions at a moderate level of intensity have shown positive effects on metabolism and the microbiome, while intense training (>70% VO2max) reduces diversity in the short term. The microbiome of elite endurance athletes is a robust producer of short-chain fatty acids. A lifestyle lacking activity is associated with the development of chronic disease, and experimental conditions simulating weightlessness in humans demonstrate loss of muscle mass occurring in conjunction with a decline in gut short-chain fatty acid (SCFA) production and the microbes that produce them. This review summarizes evidence addressing the relationship between the intestinal microbiome, diet, and physical activity. Data from the studies reviewed suggest that food choices and physical fitness in developed countries promote a resource “curse” dilemma for the microbiome and our health.
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Affiliation(s)
- Patricia Grace-Farfaglia
- Health Sciences, College of Health Professions, Sacred Heart University, Fairfield, CT 06825, USA
| | - Heather Frazier
- Department of Nutrition, School of Mathematics, Science and Engineering, University of the Incarnate Word, San Antonio, TX 78209, USA;
| | - Maura Daly Iversen
- Public Health and Physical Therapy and Human Movement Sciences, College of Health Professions, Sacred Heart University, Fairfield, CT 06825, USA;
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26
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Baranowska-Wójcik E, Szwajgier D, Winiarska-Mieczan A. A review of research on the impact of E171/TiO 2 NPs on the digestive tract. J Trace Elem Med Biol 2022; 72:126988. [PMID: 35561571 DOI: 10.1016/j.jtemb.2022.126988] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 04/01/2022] [Accepted: 04/25/2022] [Indexed: 12/24/2022]
Abstract
Nanotechnology utilises particles of between 1 and 100 nm in size. In recent years, it has enjoyed widespread application in a variety of areas. However, this has also raised increasing concerns regarding the effects that the use of nanoparticles may have on human health. The nanoparticles of titanium dioxide (TiO2 NPs) are among the most promising nanomaterials and have already found wide use in cosmetics, medicine and, the food industry. A nano-sized (diameter < 100 nm) fraction of TiO2 is present, at a certain percentage, in the E171 ( in the EU) pigment commonly used as an additive in food, whose presence raises particular concerns in terms of its potential negative health impact. The consumption of E171 food additive is increasingly associated with disorders of the intestinal barrier, including intestinal dysbiosis. It may disrupt the normal functions of the gastrointestinal tract (GIT) including: enzymatic digestion of primary nutrients (lipids, proteins, or carbohydrates). The aim of this review is to provide a comprehensive and reliable overview of studies conducted in recent years in terms of the substance's potentially negative impact on human and animal alimentary systems.
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Affiliation(s)
- Ewa Baranowska-Wójcik
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences in Lublin, Skromna 8, Lublin 20-704, Poland.
| | - Dominik Szwajgier
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences in Lublin, Skromna 8, Lublin 20-704, Poland
| | - Anna Winiarska-Mieczan
- Institute of Animal Nutrition and Bromatology, Department of Bromatology and Food Physiology, University of Life Sciences in Lublin, Akademicka 13, Lublin 20-950, Poland
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27
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Mingmongkol Y, Trinh DTT, Phuinthiang P, Channei D, Ratananikom K, Nakaruk A, Khanitchaidecha W. Enhanced Photocatalytic and Photokilling Activities of Cu-Doped TiO2 Nanoparticles. NANOMATERIALS 2022; 12:nano12071198. [PMID: 35407316 PMCID: PMC9000674 DOI: 10.3390/nano12071198] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/31/2022] [Accepted: 04/01/2022] [Indexed: 01/16/2023]
Abstract
In this work, metal-doped titanium dioxide (TiO2) was synthesised with the aim of improving photocatalytic degradation and antimicrobial activities; TiO2 was doped with copper (Cu) ranging from 0.1 to 1.0 wt%. The physical and chemical properties of the Cu-doped TiO2 nanoparticles were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), the Brunauer–Emmett–Teller method (BET) and diffuse reflection spectroscopy (DRS). The results revealed that the anatase phase of TiO2 was maintained well in all the Cu-doped TiO2 samples. No significant difference in the particle sizes or the specific surface areas was caused by increasing Cu doping. However, the band gap decreased continuously from 3.20 eV for undoped TiO2 to 3.12 eV for 1.0 wt.% Cu-doped TiO2. In addition, the 0.1 wt.% Cu-doped TiO2 displayed a much greater photocatalytic degradation of methylene blue (MB) and excellent antibacterial ability for Escherichia coli (E. coli) compared to undoped TiO2. On the other hand, the high Cu doping levels had negative impacts on the surface charge of nanoparticles and charge transfer for OH• generation, resulting in decreasing MB degradation and E. coli photokilling for 1.0 wt.% Cu-doped TiO2.
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Affiliation(s)
- Yumatorn Mingmongkol
- Department of Civil Engineering, Faculty of Engineering, Naresuan University, Phitsanulok 65000, Thailand; (Y.M.); (P.P.)
- Centre of Excellence for Innovation and Technology for Water Treatment, Faculty of Engineering, Naresuan University, Phitsanulok 65000, Thailand; (D.T.T.T.); (A.N.)
| | - Dang Trung Tri Trinh
- Centre of Excellence for Innovation and Technology for Water Treatment, Faculty of Engineering, Naresuan University, Phitsanulok 65000, Thailand; (D.T.T.T.); (A.N.)
- Institute of Environmental Science & Technology, Tra Vinh University, Tra Vinh 87000, Vietnam
| | - Patcharaporn Phuinthiang
- Department of Civil Engineering, Faculty of Engineering, Naresuan University, Phitsanulok 65000, Thailand; (Y.M.); (P.P.)
- Centre of Excellence for Innovation and Technology for Water Treatment, Faculty of Engineering, Naresuan University, Phitsanulok 65000, Thailand; (D.T.T.T.); (A.N.)
| | - Duangdao Channei
- Department of Chemistry, Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand;
| | - Khakhanang Ratananikom
- Department of Science and Mathematics, Faculty of Science and Health Technology, Kalasin University, Kalasin 46000, Thailand;
| | - Auppatham Nakaruk
- Centre of Excellence for Innovation and Technology for Water Treatment, Faculty of Engineering, Naresuan University, Phitsanulok 65000, Thailand; (D.T.T.T.); (A.N.)
- Department of Industrial Engineering, Faculty of Engineering, Naresuan University, Phitsanulok 65000, Thailand
| | - Wilawan Khanitchaidecha
- Department of Civil Engineering, Faculty of Engineering, Naresuan University, Phitsanulok 65000, Thailand; (Y.M.); (P.P.)
- Centre of Excellence for Innovation and Technology for Water Treatment, Faculty of Engineering, Naresuan University, Phitsanulok 65000, Thailand; (D.T.T.T.); (A.N.)
- Correspondence:
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28
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Lin S, Wu F, Cao Z, Liu J. Advances in Nanomedicines for Interaction with the Intestinal Barrier. ADVANCED NANOBIOMED RESEARCH 2022. [DOI: 10.1002/anbr.202100147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Sisi Lin
- State Key Laboratory of Oncogenes and Related Genes Shanghai Cancer Institute Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine Institute of Molecular Medicine, Renji Hospital, School of Medicine Shanghai Jiao Tong University Shanghai 200127 China
| | - Feng Wu
- State Key Laboratory of Oncogenes and Related Genes Shanghai Cancer Institute Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine Institute of Molecular Medicine, Renji Hospital, School of Medicine Shanghai Jiao Tong University Shanghai 200127 China
| | - Zhenping Cao
- State Key Laboratory of Oncogenes and Related Genes Shanghai Cancer Institute Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine Institute of Molecular Medicine, Renji Hospital, School of Medicine Shanghai Jiao Tong University Shanghai 200127 China
| | - Jinyao Liu
- State Key Laboratory of Oncogenes and Related Genes Shanghai Cancer Institute Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine Institute of Molecular Medicine, Renji Hospital, School of Medicine Shanghai Jiao Tong University Shanghai 200127 China
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29
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Utembe W, Tlotleng N, Kamng'ona AW. A systematic review on the effects of nanomaterials on gut microbiota. CURRENT RESEARCH IN MICROBIAL SCIENCES 2022; 3:100118. [PMID: 35909630 PMCID: PMC9325792 DOI: 10.1016/j.crmicr.2022.100118] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Nanomaterials have been shown to affect gut microbiota (GM) both in vivo and in vitro. The effects have been shown to depend on size, dose, dose duration and functional groups. In general, more studies seem to indicate dose-dependent adverse effects of NMs towards GM. Standardized protocols are needed for characterization of NMs, dosing, and test systems (both in vitro and in vivo).
Some nanomaterials (NMs) have been shown to possess antimicrobial activity and cause GM dysbiosis. Since NMs are being used widely, a systematic assessment of the effects of NMs on GM is warranted. In this systematic review, a total of 46 in vivo and 22 in vitro studies were retrieved from databases and search engines including Science-Direct, Pubmed and Google scholar. Criteria for assessment of studies included use of in vitro or in vivo studies, characterization of NMs, use of single or multiple doses as well as consistency of results. GM dysbiosis has been studied most widely on TiO2, Ag, Zn-based NMs. There was moderate evidence for GM dysbiosis caused by Zn- and Cu-based NMs, Cu-loaded chitosan NPs and Ag NMs, and anatase TiO2 NPs, as well as low evidence for SWCNTs, nanocellulose, SiO2, Se, nanoplastics, CeO2, MoO3 and graphene-based NMs. Most studies indicate adverse effects of NMs towards GM. However, more work is required to elucidate the differences on the reported effects of NM by type and sex of organisms, size, shape and surface properties of NMs as well as effects of exposure to mixtures of NMs. For consistency and better agreement among studies on GM dysbiosis, there is need for internationally agreed protocols on, inter alia, characterization of NMs, dosing (amounts, frequency and duration), use of sonication, test systems (both in vitro and in vivo), including oxygen levels for in vitro models.
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Chen P, Huang J, Rao L, Zhu W, Yu Y, Xiao F, Yu H, Wu Y, Hu R, Liu X, He Z, Yan Q. Environmental effects of nanoparticles on the ecological succession of gut microbiota across zebrafish development. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:150963. [PMID: 34656599 DOI: 10.1016/j.scitotenv.2021.150963] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 10/03/2021] [Accepted: 10/09/2021] [Indexed: 06/13/2023]
Abstract
The environmental stresses could significantly affect the structure and functions of microbial communities colonized in the gut ecosystem. However, little is known about how engineered nanoparticles (ENPs), which have recently become a common pollutant in the environment, affect the gut microbiota across fish development. Based on the high-throughput sequencing of the 16S rRNA gene amplicon, we explored the ecological succession of gut microbiota in zebrafish exposed to nanoparticles for three months. The nanoparticles used herein including titanium dioxide nanoparticles (nTiO2, 100 μg/L), zinc oxide nanoparticles (nZnO, 100 μg/L), and selenium nanoparticles (nSe, 100 μg/L). Our results showed that nanoparticles exposure reduced the alpha diversity of gut microbiota at 73-90 days post-hatching (dph), but showed no significant effects at 14-36 dph. Moreover, nTiO2 significantly (p < 0.05) altered the composition of the gut microbial communities at 73-90 dph (e.g., decreasing abundance of Cetobacterium and Vibrio). Moreover, we found that homogeneous selection was the major process (16.6-57.8%) governing the community succession of gut microbiota. Also, nanoparticles exposure caused topological alterations to microbial networks and led to increased positive interactions to destabilize the gut microbial community. This study reveals the environmental effects of nanoparticles on the ecological succession of gut microbiota across zebrafish development, which provides novel insights to understand the gut microbial responses to ENPs over the development of aquatic animals.
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Affiliation(s)
- Pubo Chen
- Environmental Microbiomics Research Center, School of Environmental Science and Engineering, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Guangzhou 510006, China
| | - Jie Huang
- Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Liuyu Rao
- Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Wengen Zhu
- Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Yuhe Yu
- Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Fanshu Xiao
- Environmental Microbiomics Research Center, School of Environmental Science and Engineering, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Guangzhou 510006, China.
| | - Huang Yu
- Environmental Microbiomics Research Center, School of Environmental Science and Engineering, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Guangzhou 510006, China
| | - Yongjie Wu
- Environmental Microbiomics Research Center, School of Environmental Science and Engineering, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Guangzhou 510006, China
| | - Ruiwen Hu
- Environmental Microbiomics Research Center, School of Environmental Science and Engineering, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Guangzhou 510006, China
| | - Xingyu Liu
- Environmental Microbiomics Research Center, School of Environmental Science and Engineering, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Guangzhou 510006, China
| | - Zhili He
- Environmental Microbiomics Research Center, School of Environmental Science and Engineering, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Guangzhou 510006, China; College of Agronomy, Hunan Agricultural University, Changsha 410128, China
| | - Qingyun Yan
- Environmental Microbiomics Research Center, School of Environmental Science and Engineering, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Guangzhou 510006, China.
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31
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Vieira A, Gramacho A, Rolo D, Vital N, Silva MJ, Louro H. Cellular and Molecular Mechanisms of Toxicity of Ingested Titanium Dioxide Nanomaterials. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1357:225-257. [DOI: 10.1007/978-3-030-88071-2_10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
AbstractAn exponential increase in products containing titanium dioxide nanomaterials (TiO2), in agriculture, food and feed industry, lead to increased oral exposure to these nanomaterials (NMs). Thus, the gastrointestinal tract (GIT) emerges as a possible route of exposure that may drive systemic exposure, if the intestinal barrier is surpassed. NMs have been suggested to produce adverse outcomes, such as genotoxic effects, that are associated with increased risk of cancer, leading to a concern for public health. However, to date, the differences in the physicochemical characteristics of the NMs studied and other variables in the test systems have generated contradictory results in the literature. Processes like human digestion may change the NMs characteristics, inducing unexpected toxic effects in the intestine. Using TiO2 as case-study, this chapter provides a review of the works addressing the interactions of NMs with biological systems in the context of intestinal tract and digestion processes, at cellular and molecular level. The knowledge gaps identified suggest that the incorporation of a simulated digestion process for in vitro studies has the potential to improve the model for elucidating key events elicited by these NMs, advancing the nanosafety studies towards the development of an adverse outcome pathway for intestinal effects.
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Baranowska-Wójcik E. Factors Conditioning the Potential Effects TiO2 NPs Exposure on Human Microbiota: a Mini-Review. Biol Trace Elem Res 2021; 199:4458-4465. [PMID: 33447907 PMCID: PMC8516783 DOI: 10.1007/s12011-021-02578-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 01/05/2021] [Indexed: 01/07/2023]
Abstract
The recent years have seen a significant interest in the applications of nanotechnology in various facets of our lives. Due to their increasingly widespread use, human exposure to nanoparticles (NPs) is fast becoming unavoidable. Among the wide group of nanoparticles currently employed in industry, titanium dioxide nanoparticles, TiO2 NPs, are particularly popular. Due to its white colour, TiO2 is widely used as a whitening food additive (E 171). Yet, there have been few studies aimed at determining its direct impact on bacteria, while the available data suggest that TiO2 NPs may influence microbiota causing problems such as inflammatory bowel disease, obesity, or immunological disorders. Indeed, there are increasing concerns that its presence may lead to intestinal barrier impairment, including dysbiosis of intestinal microbiota. This article aims to present an overview of studies conducted to date with regard to the impact of TiO2 NPs on human microbiota as well as factors that can affect the same. Such information is necessary if we are to conclusively determine the potential toxicity of inorganic nanoparticles.
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Affiliation(s)
- Ewa Baranowska-Wójcik
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences in Lublin, Skromna 8, Lublin, Poland.
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33
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Hossain A, Skalicky M, Brestic M, Mahari S, Kerry RG, Maitra S, Sarkar S, Saha S, Bhadra P, Popov M, Islam MT, Hejnak V, Vachova P, Gaber A, Islam T. Application of Nanomaterials to Ensure Quality and Nutritional Safety of Food. JOURNAL OF NANOMATERIALS 2021; 2021:1-19. [DOI: 10.1155/2021/9336082] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/08/2023]
Abstract
Nanomaterials (NMs) are emerging novel tools for preserving quality, enhancing shelf life, and ensuring food safety. Owing to the distinctive physicochemical characters, engineered NMs under varying sizes and dimensions have great potentials for application in the manufacturing, packaging, processing, and safety of quality agrifood. The promise of various kinds of novel NMs that are useful for food industries has opened a possibility of a new revolution in agroprocessing industries in both the emerging and advanced nations. The rapid advancement of nanoscience has provided a great impact on material science that has allowed researchers to understand every aspect of molecular complexity and its functions in life sciences. The reduced size of NMs that increase the surface area is useful in the specific target of different organs, and biodegradable nanospheres are helpful in the transport of bioactive molecules across the cellular barriers. However, nanotechnology creates a great revolution in several sections including agriculture and food industry and also reduces environmental pollution, while the toxicity of some NMs in the food industry poses a great concern to researchers for their greater application. However, most of the developed countries have regulatory control acts but developing countries do not have them yet. Therefore, for the safe use of NMs and also to minimize the health and environmental risks in both the developed and developing countries, it is indispensable to recognize the toxicity-constructed, toxicodynamic, and toxicokinetic features of NMs, which should carefully be emphasized at the home and industrial levels. The current study highlights the updates of the NMs to safeguard the quality and nutritional safety of foods at home and also at the industrial level.
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Affiliation(s)
- Akbar Hossain
- Department of Agronomy, Bangladesh Wheat and Maize Research Institute, Dinajpur 5200, Bangladesh
| | - Milan Skalicky
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czech Republic
| | - Marian Brestic
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czech Republic
- Department of Plant Physiology, Slovak University of Agriculture, Nitra, Tr. A. Hlinku 2, 949 01 Nitra, Slovakia
| | - Subhasis Mahari
- DBT-National Institute of Animal Biotechnology, Hyderabad 500032, India
| | - Rout George Kerry
- Post-Graduate Department of Biotechnology, Academy of Management & Information Technology, 761211, Khordha, Odisha, India
| | - Sagar Maitra
- Department of Agronomy, Centurion University of Technology and Management, 761211, Paralakhemundi, Odisha, India
| | - Sukamal Sarkar
- Department of Agronomy, Bidhan Chandra Krishi Viswavidyalaya, 741252, Nadia, India
| | - Saikat Saha
- Nadia Krishi Vigyan Kendra, Bidhan Chandra Krishi Viswavidyalaya, Gayeshpur, 741234, Nadia, India
| | - Preetha Bhadra
- Department of Biotechnology, Centurion University of Technology and Management, Paralakhemundi, 761211 Odisha, India
| | - Marek Popov
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czech Republic
| | - Mst. Tanjina Islam
- Department of Agronomy, Hajee Mohammad Danesh Science and Technology University, Dinajpur 5200, Bangladesh
| | - Vaclav Hejnak
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czech Republic
| | - Pavla Vachova
- Department of Botany and Plant Physiology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Prague, Czech Republic
| | - Ahmed Gaber
- Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Tofazzal Islam
- Institute of Biotechnology and Genetic Engineering (IBGE), Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
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Benbow NL, Rozenberga L, McQuillan AJ, Krasowska M, Beattie DA. ATR FTIR Study of the Interaction of TiO 2 Nanoparticle Films with β-Lactoglobulin and Bile Salts. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:13278-13290. [PMID: 34731567 DOI: 10.1021/acs.langmuir.1c01830] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The technique of in situ particle film attenuated total reflection Fourier transform infrared spectroscopy (ATR FTIR) has been used to probe the adsorption and coadsorption (sequential) of a common food protein (β-lactoglobulin, BLG) and two representative bile salts (taurocholic acid and glycocholic acid, abbreviated as TCA and GCA) onto the surface of titanium dioxide (TiO2) nanoparticles. Evaluating of binding interactions between commonly used (historically now, in some countries) food additives and food components, as well as the body's own digestion chemicals, is a critical step in understanding the role of colloidal phenomena in digestion and bioavailability. TCA is found to adsorb onto TiO2 but without any significant ability to be retained when it is not present in the aqueous phase. GCA is also found to adsorb via two distinct binding mechanisms, with one type of adsorbed species being resistant to removal. BLG adsorbs, is irreversibly bound, and has altered conformation when adsorbed at pH 2 (stomach conditions) to the conformation when adsorbed at pH 6.5 (small intestine conditions). This altered conformation is not interface-dependent and is mirrored in the solution spectra of BLG. Sequential coadsorption studies indicate that TCA and GCA adsorb onto TiO2 nanoparticle surfaces and display similar degrees of reversibility and binding in the presence or absence of preadsorbed BLG.
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Affiliation(s)
- N L Benbow
- Future Industries Institute, University of South Australia, Mawson Lakes, South Australia 5095, Australia
| | - L Rozenberga
- Future Industries Institute, University of South Australia, Mawson Lakes, South Australia 5095, Australia
| | - A James McQuillan
- Department of Chemistry, University of Otago, P.O. Box 56, Dunedin 9016, New Zealand
| | - M Krasowska
- Future Industries Institute, University of South Australia, Mawson Lakes, South Australia 5095, Australia
| | - D A Beattie
- Future Industries Institute, University of South Australia, Mawson Lakes, South Australia 5095, Australia
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Abdel-Wahhab MA, El-Nekeety AA, Mohammed HE, Elshafey OI, Abdel-Aziem SH, Hassan NS. Elimination of oxidative stress and genotoxicity of biosynthesized titanium dioxide nanoparticles in rats via supplementation with whey protein-coated thyme essential oil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:57640-57656. [PMID: 34089164 DOI: 10.1007/s11356-021-14723-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 05/31/2021] [Indexed: 06/12/2023]
Abstract
The green synthesis of metal nanoparticles is growing dramatically; however, the toxicity of these biosynthesized particles against living organisms is not fully explored. Therefore, this study was designed to synthesize and characterize TiO2-NPs, encapsulation and characterization thyme essential oil (ETEO), and determination of the bioactive constituents of ETEO using GC-MS and evaluate their protective role against TiO2-NPs-induced oxidative damage and genotoxicity in rats. Six groups of rats were treated orally for 30 days including the control group, TiO2-NPs (300 mg/kg b.w)-treated group, ETEO at low (50 mg/kg b.w) or high dose (100 mg/kg b.w)-treated groups, and TiO2-NPs plus ETEO at the two doses-treated groups. Blood and tissues were collected for different assays. The GC-MS results indicated the presence of 21 compounds belonging to phenols, terpene derivatives, and heterocyclic compounds. The synthesized TiO2-NPs were 45 nm tetragonal particles with a zeta potential of -27.34 mV; however, ETEO were 119 nm round particles with a zeta potential of -28.33 mV. TiO2-NPs administration disturbs the liver and kidney markers, lipid profile, cytokines, oxidative stress parameters, the apoptotic and antioxidant hepatic mRNA expression, and induced histological alterations in the liver and kidney tissues. ETEO could improve all these parameters in a dose-dependent manner. It could be concluded that ETEO is a promising candidate for the protection against TiO2-NPs and can be applied safely in food applications.
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Affiliation(s)
- Mosaad A Abdel-Wahhab
- Food Toxicology & Contaminants Department, National Research Centre, Dokki, Cairo, Egypt.
| | - Aziza A El-Nekeety
- Food Toxicology & Contaminants Department, National Research Centre, Dokki, Cairo, Egypt
| | - Hagar E Mohammed
- Zoology Department, Faculty of Science, Arish University, Arish, Egypt
| | - Ola I Elshafey
- Physical Chemistry Department, National Research Centre, Dokki, Cairo, Egypt
| | | | - Nabila S Hassan
- Pathology Department, National Research Centre, Dokki, Cairo, Egypt
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36
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Zhao Y, Liu S, Tang Y, You T, Xu H. Lactobacillus rhamnosus GG Ameliorated Long-Term Exposure to TiO 2 Nanoparticles Induced Microbiota-Mediated Liver and Colon Inflammation and Fructose-Caused Metabolic Abnormality in Metabolism Syndrome Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:9788-9799. [PMID: 34382390 DOI: 10.1021/acs.jafc.1c03301] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A huge number of titanium dioxide nanoparticles (TiO2 NPs) exist in confectionery foods, which is a high-risk factor for development of diet-induced metabolism syndrome (MetS). In this study, we built a high fructose drinking-induced MetS mouse model, and oral intake of 20 mg/kg TiO2 NPs was administered for 8 weeks. Significant pathological changes and inflammatory factors of overproduction were detected in the liver and colon. The 16S rDNA sequencing analysis results indicated that TiO2 NPs evidently and further perturbed the gut microbiota diversity, compositions, and KEGG pathways in MetS mice. Fecal microbiota transplant experiment proved that TiO2 NPs-altered gut microbiota drives liver and colon inflammation damage. More importantly, oral supplementation of Lactobacillus rhamnosus GG (LGG) ameliorated not only the TiO2 NPs-induced inflammation but also the fructose-caused metabolic abnormality. LGG recovered the gut dysbiosis and decreased the abundance of inflammation-related bacteria (Desulfovibrionaceae, Clostridia, and Proteobacteria), thereby protecting against TiO2 NPs-induced severe inflammation damage. Our study suggests the necessity of assessing the toxic effects of foodborne nanoparticles on the chronic disease population and potential usefulness of probiotics as prophylactic and therapeutic.
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Affiliation(s)
- Yu Zhao
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Shanji Liu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Yizhou Tang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Tao You
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Hengyi Xu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
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Blaznik U, Krušič S, Hribar M, Kušar A, Žmitek K, Pravst I. Use of Food Additive Titanium Dioxide (E171) before the Introduction of Regulatory Restrictions Due to Concern for Genotoxicity. Foods 2021; 10:foods10081910. [PMID: 34441686 PMCID: PMC8391306 DOI: 10.3390/foods10081910] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 08/09/2021] [Accepted: 08/13/2021] [Indexed: 02/08/2023] Open
Abstract
Food-grade titanium dioxide (TiO2; E171) is a coloring food additive. In May 2021, a scientific opinion was published by the European Food Safety Authority concluding that TiO2 can no longer be considered as a safe food additive. Our aim was to investigate the trends in the use of TiO2 in the food supply. A case study was conducted in Slovenia using two nationally representative cross-sectional datasets of branded foods. Analysis was performed on N = 12,644 foods (6012 and 6632 in 2017 and 2020, respectively) from 15 food subcategories where TiO2 was found as a food additive. A significant decrease was observed in the use of TiO2 (3.6% vs. 1.8%; p < 0.01). TiO2 was most often used in the chewing gum category (36.3%) in 2017, and chocolate and sweets category (45.9%) in 2020. Meanwhile, in 2017, the largest share of TiO2-containing foods was observed in the chewing gum category, namely, 70.3%, and these products presented over 85% of the market share. In 2020, only 24.6% of chewing gums contained TiO2, which accounted for only 3% of the market share. In conclusion, we showed an overall decrease in TiO2 use, even though it has not yet been officially removed from the list of authorized food additives.
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Affiliation(s)
- Urška Blaznik
- National Institute of Public Health, Trubarjeva 2, SI-1000 Ljubljana, Slovenia;
| | - Sanja Krušič
- Nutrition Institute, Tržaška Cesta 40, SI-1000 Ljubljana, Slovenia; (S.K.); (M.H.); (A.K.); (K.Ž.)
| | - Maša Hribar
- Nutrition Institute, Tržaška Cesta 40, SI-1000 Ljubljana, Slovenia; (S.K.); (M.H.); (A.K.); (K.Ž.)
| | - Anita Kušar
- Nutrition Institute, Tržaška Cesta 40, SI-1000 Ljubljana, Slovenia; (S.K.); (M.H.); (A.K.); (K.Ž.)
| | - Katja Žmitek
- Nutrition Institute, Tržaška Cesta 40, SI-1000 Ljubljana, Slovenia; (S.K.); (M.H.); (A.K.); (K.Ž.)
- VIST—Higher School of Applied Sciences, Gerbičeva Cesta 51A, SI-1000 Ljubljana, Slovenia
| | - Igor Pravst
- Nutrition Institute, Tržaška Cesta 40, SI-1000 Ljubljana, Slovenia; (S.K.); (M.H.); (A.K.); (K.Ž.)
- VIST—Higher School of Applied Sciences, Gerbičeva Cesta 51A, SI-1000 Ljubljana, Slovenia
- Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, SI-1000 Ljubljana, Slovenia
- Correspondence: ; Tel.: +38-659-068-871
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Barreau F, Tisseyre C, Ménard S, Ferrand A, Carriere M. Titanium dioxide particles from the diet: involvement in the genesis of inflammatory bowel diseases and colorectal cancer. Part Fibre Toxicol 2021; 18:26. [PMID: 34330311 PMCID: PMC8323234 DOI: 10.1186/s12989-021-00421-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Accepted: 07/19/2021] [Indexed: 12/12/2022] Open
Abstract
The gastrointestinal tract is a complex interface between the external environment and the immune system. Its ability to control uptake across the mucosa and to protect the body from damage of harmful substances from the lumen is defined as the intestinal barrier function (IBF). The IBF involves four elements: the intestinal microbiota, the mucus layer, the epithelium and the immune system. Its dysfunction is linked with human diseases including inflammatory, metabolic, infectious, autoimmune and neurologic disorders. Most of these diseases are complex and involve genetic, psychological and environmental factors. Over the past 10 years, many genetic polymorphisms predisposing to inflammatory bowel disease (IBD) have been identified. Yet, it is now clear that they are insufficient to explain the onset of these chronic diseases. Although it has been evidenced that some environmental factors such as cigarette smoking or carbohydrate intake are associated with IBD, other environmental factors also present potential health risks such as ingestion of food additives introduced in the human diet, including those composed of mineral particles, by altering the four elements of the intestinal barrier function. The aim of this review is to provide a critical opinion on the potential of TiO2 particles, especially when used as a food additive, to alter the four elements of the intestinal barrier function, and consequently to evaluate if this additive would likely play a role in the development and/or exacerbation of IBD.
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Affiliation(s)
- Frédérick Barreau
- INSERM, UMR 1220, Institut de Recherche en Santé Digestive, 31024, Toulouse, France. .,Université de Toulouse, Toulouse, France.
| | - Céline Tisseyre
- Univ. Grenoble Grenoble Alpes, CEA, CNRS, IRIG-SyMMES, CIBEST, 17 rue des Martyrs, 38000, Grenoble, France
| | - Sandrine Ménard
- INSERM, UMR 1220, Institut de Recherche en Santé Digestive, 31024, Toulouse, France.,Université de Toulouse, Toulouse, France
| | - Audrey Ferrand
- INSERM, UMR 1220, Institut de Recherche en Santé Digestive, 31024, Toulouse, France.,Université de Toulouse, Toulouse, France
| | - Marie Carriere
- Univ. Grenoble Grenoble Alpes, CEA, CNRS, IRIG-SyMMES, CIBEST, 17 rue des Martyrs, 38000, Grenoble, France.
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Kim IY, Lee TG, Reipa V, Heo MB. Titanium Dioxide Induces Apoptosis under UVA Irradiation via the Generation of Lysosomal Membrane Permeabilization-Dependent Reactive Oxygen Species in HaCat Cells. NANOMATERIALS 2021; 11:nano11081943. [PMID: 34443774 PMCID: PMC8400875 DOI: 10.3390/nano11081943] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/19/2021] [Accepted: 07/23/2021] [Indexed: 12/22/2022]
Abstract
Titanium dioxide nanoparticles (TiO2 NPs) have wide commercial applications, owing to their small size; however, the biosafety of TiO2 NPs should be evaluated further. In this study, we aimed to investigate the cytotoxicity of TiO2 NPs in the presence and absence of ultraviolet A (UVA) irradiation in human keratinocyte HaCaT cells. TiO2 NPs did not significantly affect cell viability in the absence of UVA irradiation. Nonetheless, UVA-irradiated TiO2 NPs induced caspase-dependent apoptosis of HaCaT cells. Exposure of HaCaT cells to TiO2 NPs and UVA resulted in reactive oxygen species (ROS) generation and lysosomal membrane permeabilization (LMP); both effects were not observed in the absence of UVA irradiation. An analysis of the relationship between LMP and ROS, using CA-074 as a cathepsin inhibitor or NAC as an antioxidant, showed that LMP stimulates ROS generation under these conditions. These results imply that LMP-dependent oxidative stress plays a critical role in the UVA phototoxicity of TiO2 NPs in HaCaT cells.
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Affiliation(s)
- In Young Kim
- Nano-Safety Team, Safety Measurement Institute, Korea Research Institute of Standards and Science (KRISS), Daejeon 34113, Korea; (I.Y.K.); (T.G.L.)
| | - Tae Geol Lee
- Nano-Safety Team, Safety Measurement Institute, Korea Research Institute of Standards and Science (KRISS), Daejeon 34113, Korea; (I.Y.K.); (T.G.L.)
| | - Vytas Reipa
- Materials Measurement Laboratory, Biosystems and Biomaterials Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
- Correspondence: (V.R.); (M.B.H.); Tel.: +1-(301)-975-5056 (V.R.); +82-(042)-604-1052 (M.B.H.)
| | - Min Beom Heo
- Nano-Safety Team, Safety Measurement Institute, Korea Research Institute of Standards and Science (KRISS), Daejeon 34113, Korea; (I.Y.K.); (T.G.L.)
- Correspondence: (V.R.); (M.B.H.); Tel.: +1-(301)-975-5056 (V.R.); +82-(042)-604-1052 (M.B.H.)
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40
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A New Sterilization Strategy Using TiO2 Nanotubes for Production of Free Radicals that Eliminate Viruses and Application of a Treatment Strategy to Combat Infections Caused by Emerging SARS-CoV-2 during the COVID-19 Pandemic. COATINGS 2021. [DOI: 10.3390/coatings11060680] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Synthesized titanium oxide nanoparticles (TiO2-NPs) nanotubes were used for the disinfection of new emerging corona virus-19 (SARS-CoV-2) in this study. The newly synthesized TiO2-NPs (nanotubes) were characterized by chemical spectroscopic analysis Fourier-transform infrared spectroscopy and ultraviolet FT-IR and UV. The chemical purity and Zeta potential distribution of the TiO2-NPs (nanotubes) were evaluated to confirm their nano-range, and their surface morphology was determined by scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HR-TEM), and energy dispersive X-ray analysis (EDX). The antiviral activity of the TiO2-NPs (nanotubes) against SARS-CoV-2 was evaluated using 10% (Dimethyl sulfoxide) DMSO and dist.H2O using a cytotoxicity assay and inhibitory concentration assay (to determine the cytotoxic half concentration CC50 and half maximal inhibitory concentration IC50). The current results confirmed that TiO2-NPs exhibit strong anti-SARS-CoV-2 activity at very low cytotoxic concentrations in vitro with a non-significant selectivity index (CC50/IC50 ≤ 1). The obtained results indicate that TiO2-NPs and nanotubes have potent antiviral activity at a very low concentrations (IC50 = 568.6 ng/mL), with a weak cytotoxic effect on the cellular host (CC50 = 399.1 ng/mL). Thus, we highly recommend the use of TiO2-NPs (nanotubes) in vitro and in wall coatings as a potent disinfectant to combat SARS-CoV-2 with little irritation of the cellular hosts. Furthermore, we also recommend more and excessive prospective studies on the complexation of natural active or natural compounds with TiO2-NPs (nanotubes) to minimize their cytotoxicity, enhance their antiviral activity, and increase their inhibition of SARS-CoV-2.
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TiO 2 - do we have to worry about it? One of the important aetiological factors in inflammatory bowel disease. GASTROENTEROLOGY REVIEW 2021; 6:106-110. [PMID: 34276836 PMCID: PMC8275967 DOI: 10.5114/pg.2021.106660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 07/08/2020] [Indexed: 11/17/2022]
Abstract
TiO2 in the food industry, designated as E171, is widely used in the production of chewing gums, sweets, and icing. It is absorbed through food ingestion and the respiratory tract. There are also reports that TiO2 nanoparticles can reach the dermis through damaged epidermis. It demonstrates the ability to accumulate in some internal organs, like spleen, liver, and kidneys, depending on its size and structure. It may have pro-inflammatory, cytotoxic, and genotoxic effects. A change in the composition of the host's intestinal microflora is also observed after exposure to high doses of TiO2. There are some differences in TiO2 intake with food around the world, but most data indicate higher consumption of this additive by children. Due to the small amount of research and the fact that most of the analyses were carried out using animal models, it is necessary to plan future observations of long-term exposure of the TiO2 molecule.
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42
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Roupar D, Berni P, Martins JT, Caetano AC, Teixeira JA, Nobre C. Bioengineering approaches to simulate human colon microbiome ecosystem. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.04.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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43
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Vian R, Salehi H, Lapierre M, Cuisinier F, Cavaillès V, Balme S. Adsorption of proteins on TiO 2 particles influences their aggregation and cell penetration. Food Chem 2021; 360:130003. [PMID: 33993073 DOI: 10.1016/j.foodchem.2021.130003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 04/09/2021] [Accepted: 05/01/2021] [Indexed: 12/21/2022]
Abstract
TiO2 nanoparticles known as E171 are one controversial food additive due to its potential toxicity. In this work, the main hypothesis is that the proteins adsorbed on the TiO2 nanoparticles prevent their aggregation and favor the cell penetration. To do so, the TiO2 nanoparticles were coated with gelatin and β-lactoglobulin to reach interfacial concentrations about 0.25 mg/mg and 0.32 mg/mg, respectively. The measurement of NP size showed that the protein coating improve the colloidal stability of TiO2 nanoparticles. The FTIR analysis suggests that the β-lactoglobulin structure is modified after adsorption. The penetration of TiO2 penetration inside human intestinal epithelial cells was shown and quantify by using confocal Raman microscopy. The promoting role of the protein coating on the cell penetration was demonstrated for both the gelatin and β-lactoglobulin. Finally, the results allow establishing a correlation between the ability of proteins to prevent NP aggregation and the cell penetration.
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Affiliation(s)
- Romain Vian
- IRCM, Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Université Montpellier, Montpellier F-34298, France
| | | | - Marion Lapierre
- IRCM, Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Université Montpellier, Montpellier F-34298, France
| | | | - Vincent Cavaillès
- IRCM, Institut de Recherche en Cancérologie de Montpellier, INSERM U1194, Université Montpellier, Montpellier F-34298, France
| | - Sébastien Balme
- IEM, Institut Européen des Membranes, UMR 5635 Université Montpellier, CNRS, ENSCM, Place Eugene Bataillon, F-34095 Montpellier cedex 5, France.
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44
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Zhao Y, Tang Y, Liu S, Jia T, Zhou D, Xu H. Foodborne TiO 2 Nanoparticles Induced More Severe Hepatotoxicity in Fructose-Induced Metabolic Syndrome Mice via Exacerbating Oxidative Stress-Mediated Intestinal Barrier Damage. Foods 2021; 10:foods10050986. [PMID: 33946424 PMCID: PMC8147135 DOI: 10.3390/foods10050986] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 12/25/2022] Open
Abstract
The hazard of titanium dioxide nanoparticles (TiO2 NPs) in diseased population should be given focus due to the huge number of these NPs in foods and medicine. This study aimed to evaluate the stronger biological adverse effect of oral exposure to TiO2 NPs in a fructose-induced metabolic syndrome mouse model. Compared to the normal mice, low-dose (2 mg/kg) TiO2 NPs did not cause severe hepatotoxicity. However, high-dose (20 mg/kg) TiO2 NPs induced aggravated hepatic inflammation, fibrosis, and apoptosis, with substantial alteration of related biochemical parameters in the mouse model. Moreover, significantly increased Ti and lipopolysaccharide burden were observed in metabolic syndrome murine liver and serum, which possibly worsened the portend intestinal leakage. The expression of tight junction-related protein showed that TiO2 NPs induced further increase in serious intestinal permeability. The intestinal inflammatory and oxidative stress response in the model were also assessed. Results showed that TiO2 NPs caused more severe intestinal inflammatory injury by intensifying the oxidative stress in metabolic syndrome mice and then induced further liver injury. This work provides information on the insights into the toxic effect of TiO2 NPs in sub-healthy population.
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Affiliation(s)
- Yu Zhao
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; (Y.Z.); (Y.T.); (S.L.); (T.J.)
| | - Yizhou Tang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; (Y.Z.); (Y.T.); (S.L.); (T.J.)
| | - Shanji Liu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; (Y.Z.); (Y.T.); (S.L.); (T.J.)
| | - Tiantian Jia
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; (Y.Z.); (Y.T.); (S.L.); (T.J.)
| | - Donggen Zhou
- Ningbo International Travel HealthCare Center, Ningbo 315012, China
- Correspondence: (D.Z.); (H.X.)
| | - Hengyi Xu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China; (Y.Z.); (Y.T.); (S.L.); (T.J.)
- Correspondence: (D.Z.); (H.X.)
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45
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Baranowska-Wójcik E, Gustaw K, Szwajgier D, Oleszczuk P, Pawlikowska-Pawlęga B, Pawelec J, Kapral-Piotrowska J. Four Types of TiO 2 Reduced the Growth of Selected Lactic Acid Bacteria Strains. Foods 2021; 10:foods10050939. [PMID: 33923019 PMCID: PMC8146636 DOI: 10.3390/foods10050939] [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: 03/15/2021] [Revised: 04/14/2021] [Accepted: 04/22/2021] [Indexed: 12/16/2022] Open
Abstract
Food-grade titanium dioxide (TiO2) containing a nanoparticle fraction (TiO2 NPs -nanoparticles) is widely used as a food additive (E171 in the EU). In recent years, it has increasingly been raising controversies as to the presence or absence of its harmful effects on the gastrointestinal microbiota. The complexity and variability of microbiota species present in the human gastrointestinal tract impede the assessment of the impact of food additives on this ecosystem. As unicellular organisms, bacteria are a very convenient research model for investigation of the toxicity of nanoparticles. We examined the effect of TiO2 (three types of food-grade E171 and one TiO2 NPs, 21 nm) on the growth of 17 strains of lactic acid bacteria colonizing the human digestive tract. Each bacterial strain was treated with TiO2 at four concentrations (60, 150, 300, and 600 mg/L TiO2). The differences in the growth of the individual strains were caused by the type and concentration of TiO2. It was shown that the growth of a majority of the analyzed strains was decreased by the application of E171 and TiO2 NPs already at the concentration of 150 and 300 mg/L. At the highest dose (600 mg/L) of the nanoparticles, the reactions of the bacteria to the different TiO2 types used in the experiment varied.
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Affiliation(s)
- Ewa Baranowska-Wójcik
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences, Skromna Street 8, 20-704 Lublin, Poland;
- Correspondence: (E.B.-W.); (D.S.); Tel.: +48-81-462-33-94 (E.B.-W.); Tel.: +48-81-462-33-68 (D.S.)
| | - Klaudia Gustaw
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences, Skromna Street 8, 20-704 Lublin, Poland;
| | - Dominik Szwajgier
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences, Skromna Street 8, 20-704 Lublin, Poland;
- Correspondence: (E.B.-W.); (D.S.); Tel.: +48-81-462-33-94 (E.B.-W.); Tel.: +48-81-462-33-68 (D.S.)
| | - Patryk Oleszczuk
- Department of Radiochemistry and Environmental Chemistry, Faculty of Chemistry, Maria Curie-Skłodowska University, 20-031 Lublin, Poland;
| | - Bożena Pawlikowska-Pawlęga
- Department of Functional Anatomy and Cytobiology, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland; (B.P.-P.); (J.K.-P.)
| | - Jarosław Pawelec
- Institute Microscopic Laboratory, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland;
| | - Justyna Kapral-Piotrowska
- Department of Functional Anatomy and Cytobiology, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University, Akademicka 19, 20-033 Lublin, Poland; (B.P.-P.); (J.K.-P.)
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Fonseca JDM, Alves MJDS, Soares LS, Moreira RDFPM, Valencia GA, Monteiro AR. A review on TiO 2-based photocatalytic systems applied in fruit postharvest: Set-ups and perspectives. Food Res Int 2021; 144:110378. [PMID: 34053562 DOI: 10.1016/j.foodres.2021.110378] [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: 02/04/2021] [Revised: 04/16/2021] [Accepted: 04/20/2021] [Indexed: 12/20/2022]
Abstract
Titanium dioxide (TiO2) is a photocatalytic material used to degrade ethylene, and it has been studied as an alternative postharvest technology. Although several studies have indicated the effective action of TiO2 photocatalysis for delaying the fruit ripening, photocatalytic systems need to be well-designed for this application. Fruit is susceptible to environmental conditions like temperature, relative humidity, atmosphere composition and exposure to UV-light. This fragility associated with its variable ethylene production rate over its maturation stage limits the photocatalysis parameters optimization. Thus, this review aims to detail the reaction mechanisms, set-up, advantages, and limitations of TiO2 photocatalytic systems based on polymers-TiO2 nanocomposites and reactors containing TiO2 immobilized into inorganic supports designed for fruit applications. It is expected that this review can elucidate the fundamental aspects that should be considered for the use of these systems.
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Affiliation(s)
- Jéssica de Matos Fonseca
- Laboratory of Physical Properties of Foods, Chemical and Food Engineering Department, Federal University of Santa Catarina, UFSC, Brazil
| | - Maria Jaízia Dos Santos Alves
- Laboratory of Physical Properties of Foods, Chemical and Food Engineering Department, Federal University of Santa Catarina, UFSC, Brazil
| | - Lenilton Santos Soares
- Laboratory of Physical Properties of Foods, Chemical and Food Engineering Department, Federal University of Santa Catarina, UFSC, Brazil
| | | | - Germán Ayala Valencia
- Laboratory of Physical Properties of Foods, Chemical and Food Engineering Department, Federal University of Santa Catarina, UFSC, Brazil.
| | - Alcilene Rodrigues Monteiro
- Laboratory of Physical Properties of Foods, Chemical and Food Engineering Department, Federal University of Santa Catarina, UFSC, Brazil.
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Li Y, Jiang K, Cao H, Yuan M, Xu F. Influences of a standardized food matrix and gastrointestinal fluids on the physicochemical properties of titanium dioxide nanoparticles. RSC Adv 2021; 11:11568-11582. [PMID: 35423614 PMCID: PMC8695913 DOI: 10.1039/d0ra09706c] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 03/04/2021] [Indexed: 12/17/2022] Open
Abstract
The fast-growing applications of engineered titanium dioxide nanoparticles (e-TiO2-NPs) in the food and pharmaceutical industry in production, packaging, sensors, nutrient delivery systems, and food additives enhance the possibility of oral exposure. Physicochemical transformations may occur when e-TiO2-NPs are incorporated into a food matrix and pass through the human gastrointestinal tract (GIT), which may redefine the toxic effects of the e-TiO2-NPs. In this study, a standardized food model (SFM) and simulated gastrointestinal fluids have been used to study the fate of e-TiO2-NPs following a three-step digestion model in vitro, and a case study was carried out to assess the toxicity of the digested e-TiO2-NPs using an in vitro cellular model. In the absence and presence of the SFM, the transformations of the tristimulus color coordinates, size, agglomeration state, surface charge and solubility of the e-TiO2-NPs in the salivary, gastric and intestinal digestion fluids were compared with those before digestion. The results demonstrate that the presence of the SFM impacted the physicochemical properties of the e-TiO2-NPs significantly. The SFM stabilized the e-TiO2-NP suspensions and acted as a dispersant during each digestive phase. The e-TiO2-NPs showed differentiated transformations of their physicochemical properties after each step of the digestive process. The pH shifts and variable concentrations of enzymes and salts in gastrointestinal fluids induced the transformations of the physicochemical properties of the e-TiO2-NPs. The transformed e-TiO2-NPs could release titanium ion in the gastrointestinal tract. Also, the cell viability induced by e-TiO2-NPs was found to be strongly affected by the presence of the SFM and simulated human GIT fluids. It can be concluded that the physicochemical transformations of the e-TiO2-NPs that were found when they were incorporated into an SFM and passed through the GIT consequently strongly affected the biological effects of the e-TiO2-NPs, which highlights that the toxicity assessment of ingested NPs should use appropriate standardized food models and take realistic physiological conditions into account.
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Affiliation(s)
- Yan Li
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology Shanghai 200093 China
| | - Kun Jiang
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology Shanghai 200093 China
| | - Hui Cao
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology Shanghai 200093 China
| | - Min Yuan
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology Shanghai 200093 China
| | - Fei Xu
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology Shanghai 200093 China
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48
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Li Y, Jiang K, Cao H, Yuan M, Ye T, Xu F. Establishment of a standardized dietary model for nanoparticles oral exposure studies. Food Sci Nutr 2021; 9:1441-1451. [PMID: 33747458 PMCID: PMC7958543 DOI: 10.1002/fsn3.2112] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 11/27/2020] [Accepted: 12/26/2020] [Indexed: 01/24/2023] Open
Abstract
Food matrices could affect the physicochemical properties of nanoparticles (NPs) and define the biological effects of NPs via oral exposure compared with the pristine NPs. We established a standardized dietary model based on Chinese dietary reference intakes and Chinese dietary guidelines to mimic the exposure of NPs in real life and to evaluate further the biological effect and toxicity of NPs via oral exposure compared with current models. The standardized dietary model prepared from the primary emulsion was dried into powder using spray drying compared with commercial food powder and then was reconstituted compared with the fresh sample. The average particle size (295.59 nm), potential (-23.78 mV), viscosity (0.04 pa s), and colors (L*, a*, b* = 84.13, -0.116, 8.908) were measured and characterized of the fresh sample. The flowability (repose angle = 37.28° and slide angle = 36.75°), moisture (2.68%), colors (L*, a*, b* = 94.16, -0.27, 3.01), and bulk density (0.45 g/ml) were compared with commercial food powder. The size (310.75 nm), potential (-23.98 mV), and viscosity (0.04 pa s) of reconstituted model were similar to the fresh sample. Results demonstrated that the model was satisfy the characterizations of easy to fabrication, good stability, small particle size, narrow particle size distribution, strong practicability, and good reproducibility similar to most physiological food state and will be used to evaluate NPs' safety.
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Affiliation(s)
- Yan Li
- School of Medical Instrument and Food EngineeringShanghai Engineering Research Center for Food Rapid DetectionUniversity of Shanghai for Science and TechnologyShanghaiChina
| | - Kun Jiang
- School of Medical Instrument and Food EngineeringShanghai Engineering Research Center for Food Rapid DetectionUniversity of Shanghai for Science and TechnologyShanghaiChina
| | - Hui Cao
- School of Medical Instrument and Food EngineeringShanghai Engineering Research Center for Food Rapid DetectionUniversity of Shanghai for Science and TechnologyShanghaiChina
| | - Min Yuan
- School of Medical Instrument and Food EngineeringShanghai Engineering Research Center for Food Rapid DetectionUniversity of Shanghai for Science and TechnologyShanghaiChina
| | - Tai Ye
- School of Medical Instrument and Food EngineeringShanghai Engineering Research Center for Food Rapid DetectionUniversity of Shanghai for Science and TechnologyShanghaiChina
| | - Fei Xu
- School of Medical Instrument and Food EngineeringShanghai Engineering Research Center for Food Rapid DetectionUniversity of Shanghai for Science and TechnologyShanghaiChina
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Impact of Food Additive Titanium Dioxide on Gut Microbiota Composition, Microbiota-Associated Functions, and Gut Barrier: A Systematic Review of In Vivo Animal Studies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18042008. [PMID: 33669592 PMCID: PMC7922260 DOI: 10.3390/ijerph18042008] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 02/11/2021] [Accepted: 02/13/2021] [Indexed: 12/31/2022]
Abstract
Background: Titanium dioxide (TiO2) is used as a food additive in pastries, sweets, and sauces. It is recognized as safe by food safety authorities, but in recent years, governments and scientists have raised concerns about its genotoxicity. This systematic review aims to assess the potential associations between food TiO2 exposure and microbiota composition and functions. Methods: A systematic literature search was performed up to December 2020 in PubMed, Web of Science, and Scopus databases. The PRISMA guidelines followed. The risk of bias was assessed from ARRIVE and SYRCLE tools. Results: A total of 18 animal studies were included (n = 10 mice, n = 5 rats, n = 2 fruit flies, n = 1 silkworm). Studies varied significantly in protocols and outcomes assessment. TiO2 exposure might cause variations in abundance in specific bacterial species and lead to gut dysfunctions such as a reduction in SCFAs levels, goblet cells and crypts, mucus production, and increased biomarkers of intestinal inflammation. Conclusions: Although the extrapolation of these results from animals to humans remains difficult, this review highlights the key role of gut microbiota in gut nanotoxicology and stimulates discussions on the safe TiO2 use in food and dietary supplements. This systematic review was registered at PROSPERO as CRD42020223968.
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Nanoparticles in the Food Industry and Their Impact on Human Gut Microbiome and Diseases. Int J Mol Sci 2021; 22:ijms22041942. [PMID: 33669290 PMCID: PMC7920074 DOI: 10.3390/ijms22041942] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 02/02/2021] [Accepted: 02/10/2021] [Indexed: 12/11/2022] Open
Abstract
The use of inorganic nanoparticles (NPs) has expanded into various industries including food manufacturing, agriculture, cosmetics, and construction. This has allowed NPs access to the human gastrointestinal tract, yet little is known about how they may impact human health. As the gut microbiome continues to be increasingly implicated in various diseases of unknown etiology, researchers have begun studying the potentially toxic effects of these NPs on the gut microbiome. Unfortunately, conflicting results have limited researcher’s ability to evaluate the true impact of NPs on the gut microbiome in relation to health. This review focuses on the impact of five inorganic NPs (silver, iron oxide, zinc oxide, titanium dioxide, and silicon dioxide) on the gut microbiome and gastrointestinal tract with consideration for various methodological differences within the literature. This is important as NP-induced changes to the gut could lead to various gut-related diseases. These include irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), celiac disease, and colorectal cancer. Research in this area is necessary as the use of NPs in various industries continues to grow along with the number of people suffering from chronic gastrointestinal diseases.
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