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Yang H, Han Y, Zhou C, Nie S, Li M, Yu Q, Wei Y, Wang X. Safety of Exposure to 0.2 T and 4 Hz Rotating Magnetic Field: A Ten-Month Study on C57BL/6 Mice. Curr Issues Mol Biol 2024; 46:6390-6406. [PMID: 39057024 PMCID: PMC11275342 DOI: 10.3390/cimb46070382] [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: 04/28/2024] [Revised: 06/08/2024] [Accepted: 06/21/2024] [Indexed: 07/28/2024] Open
Abstract
Amidst the burgeoning interest in rotating magnetic fields (RMF) within biological research, there remains a notable gap in the scientific evidence concerning the long-term safety of RMF. Thus, this study aimed to investigate the safety of protracted exposure to a 0.2 T, 4 Hz RMF over 10 months in mice. Two-month-old female C57BL/6 mice were randomly allocated to either the RMF group (exposed to 0.2 T, 4 Hz real RMF) or the SHAM group (exposed to 0 T, 4 Hz sham RMF). Throughout the experiment, the murine weekly body weights were recorded, and their behavioral traits were assessed via open field tests. In the final month, a comprehensive evaluation of the murine overall health was conducted, encompassing analyses of blood parameters, histomorphological examination of major organs, and skeletal assessments using X-ray and micro-CT imaging. The murine immune system and lipid metabolism were evaluated through immunochip analysis and metabolomics. Notably, no discernible adverse effects with RMF exposure were observed. Murine body weight, locomotor behavior, organ histomorphology, and skeletal health remained unaffected by RMF. Blood analysis revealed subtle changes in hormone and lipid levels between the SHAM and RMF groups, yet these differences did not reach statistical significance. Moreover, RMF led to elevated serum interleukin-28 (IL-28) levels, albeit within the normal range, and modest alterations in serum lipid metabolites. Conclusively, mice exposed to the 0.2 T, 4 Hz RMF for 10 months displayed no significant signs of chronic toxicity, indicating its potential clinical application as a physical therapy.
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Affiliation(s)
- Hua Yang
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China
- International Cancer Center, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China
| | - Yu Han
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China
| | - Cai Zhou
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China
| | - Shenglan Nie
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China
| | - Mengqing Li
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China
| | - Qinyao Yu
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China
| | - Yunpeng Wei
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China
| | - Xiaomei Wang
- Department of Physiology, School of Basic Medical Sciences, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China
- International Cancer Center, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China
- School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen 518055, China
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Mendoza-Cano O, Lugo-Radillo A, Ríos-Silva M, Gonzalez-Curiel IE, Bricio-Barrios JA, Camacho-delaCruz AA, Romo-García MF, Cuevas-Arellano HB, Quintanilla-Montoya AL, Solano-Barajas R, Uribe-Ramos JM, García-Solórzano LA, Hilerio-López ÁG, Solano-Mendoza AA, Danis-Romero R, Murillo-Zamora E. Exploring Heavy Metal and Metalloid Exposure in Children: A Pilot Biomonitoring Study near a Sugarcane Mill. TOXICS 2024; 12:426. [PMID: 38922106 PMCID: PMC11209603 DOI: 10.3390/toxics12060426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/07/2024] [Accepted: 06/09/2024] [Indexed: 06/27/2024]
Abstract
Sugarcane production has been linked to the release of heavy metals and metalloids (HM/MTs) into the environment, raising concerns about potential health risks. This study aimed to assess the levels of 19 HM/MTs in children living near a sugarcane mill through a pilot biomonitoring investigation. We investigated sex-related differences in these element levels and their correlations. A cross-sectional study was conducted, analyzing data from 20 children in the latter part of 2023. Spearman correlation coefficients with 95% confidence intervals (CIs) were used to assess the relationships between urinary HM/MT levels. Detectable levels of 17 out of the 19 HM/MTs were found across the entire study sample, with arsenic and copper detectable in 95% of the children. Titanium exhibited higher levels in boys compared to girls (p = 0.017). We identified 56 statistically significant correlations, with 51 of them being positive, while the remaining coefficients indicated negative relationships. This study characterized HM/MT levels in school-aged children residing near a sugarcane mill through a pilot biomonitoring investigation. Further research employing larger sample sizes and longitudinal assessments would enhance our understanding of the dynamics and health impacts of HM/MT exposure in this vulnerable population.
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Affiliation(s)
- Oliver Mendoza-Cano
- Facultad de Ingeniería Civil, Universidad de Colima, Carretera Colima-Coquimatlán km 9, Col. Jardines del Llano, Coquimatlán 28400, Mexico
| | - Agustin Lugo-Radillo
- CONAHCyT-Facultad de Medicina y Cirugía, Universidad Autónoma Benito Juárez de Oaxaca, Ex Hacienda Aguilera S/N, Carr. a San Felipe del Agua, Oaxaca 68020, Mexico
| | - Mónica Ríos-Silva
- Facultad de Medicina, Universidad de Colima, Av. Universidad 333, Col. Las Víboras, Colima 28040, Mexico
| | - Irma Elizabeth Gonzalez-Curiel
- Laboratorio de Inmunotoxicología, Unidad Académica de Ciencias Químicas, Universidad Autónoma de Zacatecas, Campus UAZ siglo XXI, Carretera Zacatecas-Guadalajara km 6, Col. Ejido La Escondida, Zacatecas 98160, Mexico
| | | | - Arlette A. Camacho-delaCruz
- Facultad de Ingeniería Civil, Universidad de Colima, Carretera Colima-Coquimatlán km 9, Col. Jardines del Llano, Coquimatlán 28400, Mexico
| | - María Fernanda Romo-García
- Laboratorio de Inmunotoxicología, Unidad Académica de Ciencias Químicas, Universidad Autónoma de Zacatecas, Campus UAZ siglo XXI, Carretera Zacatecas-Guadalajara km 6, Col. Ejido La Escondida, Zacatecas 98160, Mexico
| | | | - Ana Luz Quintanilla-Montoya
- Facultad de Ingeniería Civil, Universidad de Colima, Carretera Colima-Coquimatlán km 9, Col. Jardines del Llano, Coquimatlán 28400, Mexico
| | - Ramón Solano-Barajas
- Facultad de Ingeniería Civil, Universidad de Colima, Carretera Colima-Coquimatlán km 9, Col. Jardines del Llano, Coquimatlán 28400, Mexico
| | - Juan Manuel Uribe-Ramos
- Facultad de Ingeniería Civil, Universidad de Colima, Carretera Colima-Coquimatlán km 9, Col. Jardines del Llano, Coquimatlán 28400, Mexico
| | - Luis A. García-Solórzano
- Tecnológico Nacional de México, Campus Colima, Av. Tecnológico No. 1, Villa de Álvarez 28976, Mexico
| | | | - Alma Alejandra Solano-Mendoza
- Departamento de Medicina Interna, Hospital Civil de Guadalajara “Juan I. Menchaca”, Universidad de Guadalajara, Salvador Quevedo y Zubieta 750, Col. Independencia Oriente, Guadalajara 44340, Mexico
| | - Rogelio Danis-Romero
- Departamento de Pediatría, Hospital General Regional No. 1, Instituto Mexicano del Seguro Social, Av. 5 de Febrero 102, Col. Centro, Santiago de Querétaro 76000, Mexico
| | - Efrén Murillo-Zamora
- Unidad de Investigación en Epidemiología Clínica, Instituto Mexicano del Seguro Social, Av. Lapislázuli 250, Col. El Haya, Villa de Álvarez 28984, Mexico
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Rodríguez-Ibarra C, Díaz-Urbina D, Zagal-Salinas AA, Medina-Reyes EI, Déciga-Alcaraz A, Hernández-Pando R, Chirino YI. Oral exposure to food grade titanium dioxide (E171) induces intestinal and behavioural alterations in adult mice but limited effects in young mice. J Trace Elem Med Biol 2024; 83:127409. [PMID: 38394968 DOI: 10.1016/j.jtemb.2024.127409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024]
Abstract
BACKGROUND Food-grade titanium dioxide (E171), a white colourant widely used in ultra-processed food products, has been banned in the European Union. However, its usage is still permitted in medicines, and in several other countries. The estimated intake of E171 in children is higher than in adults, which led us to hypothesise that E171 induces differential effects depending on age, with adult mice being the most susceptible due to age, despite the lower dose. AIM To evaluate the effects of oral administration of E171 on intestinal permeability, ileum, and colon histology, and how these effects impact anxious and depressive behaviour in young and adult mice of both sexes. METHODS Young and adult mice of both sexes C57BL/6 mice received 10 mg/kgbw E171/3 times per week for 3 months. E171 was administered orally in water by pipetting, while control groups only received drinking water, then intestinal permeability, histology and animal behaviour were analysed. RESULTS E171 showed an amorphous shape, primary particles sized below 1 µm and anatase crystalline structure. Oral administration of E171 disrupted the intestinal permeability in adult male and female mice, but no effects were observed in young mice of both sexes. E171 promoted ileal adenoma formation in half of the adult female population, moreover hyperplastic crypts, and hyperplastic goblet cells at histological level in adult mice of both sexes. The colon presented hyperplastic goblet cells, hyperchromatic nuclei, increased proliferation and DNA damage in adult mice of both sexes. The anxiety and depressive behaviour were only altered in adult mice treated with E171, but no changes were detected in young animals of both sexes. CONCLUSIONS Adult mice displayed higher susceptibility in all parameters analysed in this study compared to young mice of both sexes.
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Affiliation(s)
- Carolina Rodríguez-Ibarra
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090 Estado de México, Mexico
| | - Daniel Díaz-Urbina
- Laboratorio de Neurobiología de la Alimentación. Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090 Estado de México, Mexico; Laboratory of Neurobiology on Compulsive Behaviors, The National Institute on Alcohol Abuse and Alcoholism (NIAAA), National Institute of Health, Bethesda, MD, USA
| | - Alejandro A Zagal-Salinas
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090 Estado de México, Mexico
| | - Estefany I Medina-Reyes
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090 Estado de México, Mexico
| | - Alejandro Déciga-Alcaraz
- Química de Aerosoles Orgánicos Atmosféricos, Instituto de Ciencias de la Atmósfera y Cambio Climático, Universidad Nacional Autónoma de México, CP 04510 Ciudad de México, Mexico
| | - Rogelio Hernández-Pando
- Sección de Patología Experimental, Departamento de Patología, Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán", Vasco de Quiroga 15, Belisario Domínguez Sección 16, Tlalpan, CP 14080 Ciudad de México, Mexico
| | - Yolanda I Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Av. de los Barrios No. 1, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090 Estado de México, Mexico.
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Tassinari R, Tammaro A, Martinelli A, Valeri M, Maranghi F. Sex-Specific Effects of Short-Term Oral Administration of Food-Grade Titanium Dioxide Nanoparticles in the Liver and Kidneys of Adult Rats. TOXICS 2023; 11:776. [PMID: 37755786 PMCID: PMC10536411 DOI: 10.3390/toxics11090776] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/04/2023] [Accepted: 09/07/2023] [Indexed: 09/28/2023]
Abstract
Titanium dioxide (TiO2) nanomaterial is used in several items (implant materials, pills composition, cosmetics, etc.). Although TiO2 is no longer considered safe as a food additive, the general population is exposed daily through different routes, and information is lacking on some aspects of animal and human health. This study evaluated liver and kidney toxicity of food-grade TiO2 nanoparticles (NPs) (primary size < 25 nm) in male and female rats that were orally exposed for 5 days to 0, 1, and 2 mg/kg body weight per day (comparable with daily E171 consumption). Selected liver and kidney toxicity endpoints included serum biomarkers, histopathological analysis and expression of osteopontin (SPP1), vascular endothelial growth factor (VEGF), interleukin 6 (IL-6), and neuropeptide Y (NPY). Although TiO2 NPs are known to affect the gastric mucosa, short-term exposure induced sex-specific effects: general toxicity parameters were predominantly altered in female rats, whereas the liver appeared to be more affected than the kidneys in male rats, which also showed overexpression of NPY and SPP1. In the kidneys, the TiO2 NP effects were quantitatively similar but qualitatively different in the two sexes. In conclusion, careful consideration should be paid to the presence of TiO2 NPs in other items that can lead to human exposure.
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Affiliation(s)
- Roberta Tassinari
- Center for Gender Specific Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy; (R.T.); (A.T.)
| | - Alessia Tammaro
- Center for Gender Specific Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy; (R.T.); (A.T.)
- Department of Biomedicine and Prevention, University of Rome “Tor Vergata”, 00173 Rome, Italy
| | - Andrea Martinelli
- Experimental Animal Welfare Sector, Istituto Superiore di Sanità, 00161 Rome, Italy; (A.M.); (M.V.)
| | - Mauro Valeri
- Experimental Animal Welfare Sector, Istituto Superiore di Sanità, 00161 Rome, Italy; (A.M.); (M.V.)
| | - Francesca Maranghi
- Center for Gender Specific Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy; (R.T.); (A.T.)
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5
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Deng F, Qin G, Chen Y, Zhang X, Zhu M, Hou M, Yao Q, Gu W, Wang C, Yang H, Jia X, Wu C, Peng H, Du H, Tang S. Multi-omics reveals 2-bromo-4,6-dinitroaniline (BDNA)-induced hepatotoxicity and the role of the gut-liver axis in rats. JOURNAL OF HAZARDOUS MATERIALS 2023; 457:131760. [PMID: 37285786 DOI: 10.1016/j.jhazmat.2023.131760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/26/2023] [Accepted: 06/01/2023] [Indexed: 06/09/2023]
Abstract
2-Bromo-4, 6-dinitroaniline (BDNA) is a widespread azo-dye-related hazardous pollutant. However, its reported adverse effects are limited to mutagenicity, genotoxicity, endocrine disruption, and reproductive toxicity. We systematically assessed the hepatotoxicity of BDNA exposure via pathological and biochemical examinations and explored the underlying mechanisms via integrative multi-omics analyses of the transcriptome, metabolome, and microbiome in rats. After 28 days of oral administration, compared with the control group, 100 mg/kg BDNA significantly triggered hepatotoxicity, upregulated toxicity indicators (e.g., HSI, ALT, and ARG1), and induced systemic inflammation (e.g., G-CSF, MIP-2, RANTES, and VEGF), dyslipidemia (e.g., TC and TG), and bile acid (BA) synthesis (e.g., CA, GCA, and GDCA). Transcriptomic and metabolomic analyses revealed broad perturbations in gene transcripts and metabolites involved in the representative pathways of liver inflammation (e.g., Hmox1, Spi1, L-methionine, valproic acid, and choline), steatosis (e.g., Nr0b2, Cyp1a1, Cyp1a2, Dusp1, Plin3, arachidonic acid, linoleic acid, and palmitic acid), and cholestasis (e.g., FXR/Nr1h4, Cdkn1a, Cyp7a1, and bilirubin). Microbiome analysis revealed reduced relative abundances of beneficial gut microbial taxa (e.g., Ruminococcaceae and Akkermansia muciniphila), which further contributed to the inflammatory response, lipid accumulation, and BA synthesis in the enterohepatic circulation. The observed effect concentrations here were comparable to the highly contaminated wastewaters, showcasing BDNA's hepatotoxic effects at environmentally relevant concentrations. These results shed light on the biomolecular mechanism and important role of the gut-liver axis underpinning BDNA-induced cholestatic liver disorders in vivo.
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Affiliation(s)
- Fuchang Deng
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Guangqiu Qin
- Department of Preventive Medicine, Guangxi University of Chinese Medicine, Nanning 530200, China
| | - Yuanyuan Chen
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Xu Zhang
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Mu Zhu
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Min Hou
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Qiao Yao
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Wen Gu
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Chao Wang
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Hui Yang
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100021, China
| | - Xudong Jia
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100021, China
| | - Chongming Wu
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Hui Peng
- Department of Chemistry, University of Toronto, Toronto, Ontario M5S3H6, Canada
| | - Huamao Du
- College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing 400715, China
| | - Song Tang
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China; Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China.
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Won S, An J, Song H, Im S, You G, Lee S, Koo KI, Hwang CH. Transnasal targeted delivery of therapeutics in central nervous system diseases: a narrative review. Front Neurosci 2023; 17:1137096. [PMID: 37292158 PMCID: PMC10246499 DOI: 10.3389/fnins.2023.1137096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 04/19/2023] [Indexed: 06/10/2023] Open
Abstract
Currently, neurointervention, surgery, medication, and central nervous system (CNS) stimulation are the main treatments used in CNS diseases. These approaches are used to overcome the blood brain barrier (BBB), but they have limitations that necessitate the development of targeted delivery methods. Thus, recent research has focused on spatiotemporally direct and indirect targeted delivery methods because they decrease the effect on nontarget cells, thus minimizing side effects and increasing the patient's quality of life. Methods that enable therapeutics to be directly passed through the BBB to facilitate delivery to target cells include the use of nanomedicine (nanoparticles and extracellular vesicles), and magnetic field-mediated delivery. Nanoparticles are divided into organic, inorganic types depending on their outer shell composition. Extracellular vesicles consist of apoptotic bodies, microvesicles, and exosomes. Magnetic field-mediated delivery methods include magnetic field-mediated passive/actively-assisted navigation, magnetotactic bacteria, magnetic resonance navigation, and magnetic nanobots-in developmental chronological order of when they were developed. Indirect methods increase the BBB permeability, allowing therapeutics to reach the CNS, and include chemical delivery and mechanical delivery (focused ultrasound and LASER therapy). Chemical methods (chemical permeation enhancers) include mannitol, a prevalent BBB permeabilizer, and other chemicals-bradykinin and 1-O-pentylglycerol-to resolve the limitations of mannitol. Focused ultrasound is in either high intensity or low intensity. LASER therapies includes three types: laser interstitial therapy, photodynamic therapy, and photobiomodulation therapy. The combination of direct and indirect methods is not as common as their individual use but represents an area for further research in the field. This review aims to analyze the advantages and disadvantages of these methods, describe the combined use of direct and indirect deliveries, and provide the future prospects of each targeted delivery method. We conclude that the most promising method is the nose-to-CNS delivery of hybrid nanomedicine, multiple combination of organic, inorganic nanoparticles and exosomes, via magnetic resonance navigation following preconditioning treatment with photobiomodulation therapy or focused ultrasound in low intensity as a strategy for differentiating this review from others on targeted CNS delivery; however, additional studies are needed to demonstrate the application of this approach in more complex in vivo pathways.
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Affiliation(s)
- Seoyeon Won
- College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Jeongyeon An
- College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Hwayoung Song
- College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Subin Im
- College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Geunho You
- College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Seungho Lee
- College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Kyo-in Koo
- Major of Biomedical Engineering, Department of Electrical, Electronic, and Computer Engineering, University of Ulsan, Ulsan, Republic of Korea
| | - Chang Ho Hwang
- Department of Physical and Rehabilitation Medicine, Chungnam National University Hospital, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
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Lin H, Tan J, Wang J, Xie C, Chen B, Luo M, Liu Y, Liao W, Huang W, Wang H, Jiang Y, Wang K, Lu C, Zhao M. Subchronic Oral Toxicity Study of Food-Related Titanium Dioxide Nanoparticles in Rats Involved in Ti Biodistribution and Gut Microbiota. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:1713-1726. [PMID: 36634352 DOI: 10.1021/acs.jafc.2c05341] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The widespread use of titanium dioxide nanoparticles (TiO2 NPs) in the food industry has brought about human safety risks related to nanotoxicity. In this study, food-related TiO2 NPs (anatase, 40 nm) were given to rats by oral gavage for 90 days at doses of 10, 100, and 1000 mg/kg bw. An additional two satellite groups underwent the same protocol for 45 days and for 90 days followed by a 28 day recovery. TiO2 NPs tended to agglomerate together in H2O, AGJ, and AIJ. No systemic toxicity was observed after 90 day agglomerated TiO2 NP exposure with no Ti distribution in major tissues/organs. Furthermore, TiO2 NP consumption for 90 days had no impact on microbiota diversity; the community structure of the gut microbiota is shifted to some extent at the genus level. Collectively, the NOAEL of agglomerated TiO2 NPs for 90 days of oral administration was 1000 mg/kg bw, the highest dose tested in male and female rats.
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Affiliation(s)
- Hong Lin
- Department of Medical statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
- Institute of Toxicology, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Jianbin Tan
- Institute of Toxicology, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Jing Wang
- Institute of Public Health Service Testing, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Chengliang Xie
- School of Pharmaceutical Science (Shenzhen), Sun Yat-Sen University, Guangzhou 518107, China
| | - Bifeng Chen
- Institute of Toxicology, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Mansi Luo
- Institute of Toxicology, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Yun Liu
- Institute of Toxicology, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Wenzhen Liao
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China
| | - Weiling Huang
- Institute of Toxicology, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Hongxia Wang
- Institute of Toxicology, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Ying Jiang
- Institute of Toxicology, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Kexin Wang
- Institute of Toxicology, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Ciyong Lu
- Department of Medical statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Min Zhao
- Institute of Toxicology, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
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8
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Chang H, Li L, Deng Y, Song G, Wang Y. Protective effects of lycopene on TiO 2 nanoparticle-induced damage in the liver of mice. J Appl Toxicol 2023; 43:913-928. [PMID: 36632672 DOI: 10.1002/jat.4433] [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: 10/03/2022] [Revised: 12/26/2022] [Accepted: 12/30/2022] [Indexed: 01/13/2023]
Abstract
Titanium dioxide nanoparticles (nano-TiO2 ) is one of the most widely used and produced nanomaterials. Studies have demonstrated that nano-TiO2 could induce hepatotoxicity through oxidative stress, and lycopene has strong antioxidant capacity. The present study aimed to explore if lycopene protects the liver of mice from nano-TiO2 damage. Ninety-six ICR mice were randomly divided into eight groups. They were control group, nano-TiO2 -treated group (50 mg/kg BW), lycopene-treated groups (5, 20, and 40 mg/kg BW), and 50 mg/kg BW nano-TiO2 - and lycopene-co-treated groups (nano-TiO2 + 5 mg/kg BW of lycopene, nano-TiO2 + 20 mg/kg BW of lycopene, nano-TiO2 + 40 mg/kg BW of lycopene). After treated by gavage for 30 days, the histopathology of the liver was observed. Liver function was evaluated using changes in serum biochemical indicators of the liver (AST, ALT, ALP); and the level of ROS was indirectly reflected by the level of SOD, GSH-Px, MDA, GSH, and T-AOC. TUNEL assay was performed to examine the apoptosis of hepatocytes. Proteins of p53, cleaved-caspase 9, cleaved-caspase 3, Bcl-2, and Bax as well as p38 were detected. Results showed that lycopene alleviated the liver pathological damage and reduced the injury to liver function induced by nano-TiO2 , as well as decreased nano-TiO2 -induced ROS. Meanwhile, lycopene mitigated apoptosis resulting from nano-TiO2 , accompanied by the reversed expression of apoptosis-related proteins. Furthermore, lycopene significantly reversed the upregulation of p-p38 induced by nano-TiO2 . In conclusion, this study demonstrated that nano-TiO2 resulted in hepatocyte apoptosis through ROS/ROS-p38 MAPK pathway and led to liver function injury. Lycopene protected mice liver against the hepatotoxicity of nano-TiO2 through antioxidant property.
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Affiliation(s)
- Hongmei Chang
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, 832003, Xinjiang, China
| | - Li Li
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, 832003, Xinjiang, China
| | - Yaxin Deng
- Shiyan centers for disease control and prevention, Shiyan, 442000, Hubei, China
| | - Guanling Song
- Department of Preventive Medicine/the Key Laboratories for Xinjiang Endemic and Ethnic Diseases, School of Medicine, Shihezi University, Shihezi, 832003, Xinjiang, China
| | - Yan Wang
- School of Medicine, Shihezi University, Shihezi, 832002, Xinjiang, China
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9
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Mohammadparast V, Mallard BL. The effect and underlying mechanisms of titanium dioxide nanoparticles on glucose homeostasis: A literature review. J Appl Toxicol 2023; 43:22-31. [PMID: 35287244 PMCID: PMC10078690 DOI: 10.1002/jat.4318] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 03/07/2022] [Accepted: 03/09/2022] [Indexed: 12/16/2022]
Abstract
Titanium dioxide (TiO2 ) is used extensively as a white pigment in the food industry, personal care, and a variety of products of everyday use. Although TiO2 has been categorized as a bioinert material, recent evidence has demonstrated different toxicity profiles of TiO2 nanoparticles (NPs) and a potential health risk to humans. Studies indicated that titanium dioxide enters the systemic circulation and accumulates in the lungs, liver, kidneys, spleen, heart, and central nervous system and may cause oxidative stress and tissue damage in these vital organs. Recently, some studies have raised concerns about the possible detrimental effects of TiO2 NPs on glucose homeostasis. However, the findings should be interpreted with caution due to the methodological issues. This article aims to evaluate current evidence regarding the effects of TiO2 NPs on glucose homeostasis, including possible underlying mechanisms. Furthermore, the limitations of current studies are discussed, which may provide a comprehensive understanding and new perspectives for future studies in this field.
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Affiliation(s)
| | - Beth L Mallard
- School of Health Sciences, Massey University, Wellington, New Zealand
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10
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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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11
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Zhang Y, Wang Y, Li X, Nie D, Liu C, Gan Y. Ligand-modified nanocarriers for oral drug delivery: Challenges, rational design, and applications. J Control Release 2022; 352:813-832. [PMID: 36368493 DOI: 10.1016/j.jconrel.2022.11.010] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 11/03/2022] [Accepted: 11/04/2022] [Indexed: 11/15/2022]
Abstract
Ligand-modified nanocarriers (LMNCs) specific to their targets have attracted increasing interest for enhanced oral drug delivery in recent decades. Although the design of LMNCs for enhanced endocytosis and improved exposure of the loaded drugs through the oral route has received abundant attention, it remains unclear how the design influences their transcellular process, especially the key factors affecting their functions. This review discusses the extracellular and cellular barriers to orally administered LMNCs in the gastrointestinal (GI) tract and new discoveries regarding the GI protein corona and the sequential transport barriers that impede the preplanned movements of LMNCs after oral administration. Furthermore, innovative progress in considering key factors (including target selection, ligand properties, and other important factors) in the rational design of LMNCs for oral drug delivery is presented. In particular, some factors that endow LMNCs with efficient transcytosis rather than only endocytosis are highlighted. Finally, the prospects of orally administered LMNCs in disease therapy for the enhanced oral/local bioavailability of active pharmaceutical ingredients, as well as emerging delivery routes, such as lymphatic drug delivery and systemic location-specific drug release based on oral transcellular LMNCs, are discussed.
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Affiliation(s)
- Yaqi Zhang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yaying Wang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiang Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Di Nie
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chang Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yong Gan
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China; NMPA Key Laboratory for Quality Research and Evaluation of Pharmaceutical Excipients, National Institutes for Food and Drug Control, Beijing 100050, China.
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12
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Ali K, Zaidi S, Khan AA, Khan AU. Orally fed EGCG coronate food released TiO 2 and enhanced penetrability into body organs via gut. BIOMATERIALS ADVANCES 2022; 144:213205. [PMID: 36442452 DOI: 10.1016/j.bioadv.2022.213205] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 10/16/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022]
Abstract
Owing to unique nano-scale properties, TiO2-NPs (T-NPs) are employed as food-quality enhancers in >900 processed food products. Whereas, epigallocatechin-3-gallate (EGCG), a green tea polyphenol is consumed in traditional brewed tea, globally. Taken together, we aimed to investigate whether human gastric-acid digested T-NPs and complex tea catechins yield ionic species (Ti4+, Ti3+ etc.) and active EGCG forms to meet favourable conditions for in vivo bio-genesis of EGCG-coronated TiO2-NPs (ET-NPs) in human gut. Secondly, compared to bare-surface micro and nano-scale TiO2, i.e., T-MPs and T-NPs, respectively, how EGCG coronation on ET-NPs in the gut facilitates the modulation of intrinsic propensity of internalization of TiO2 species into bacteria, body-organs, and gut-microbiota (GM), and immune system. ET-NPs were synthesized in non-toxic aqueous solution at varied pH (3-10) and characterised by state-of-the-arts for crystallinity, surface-charge, EGCG-encapsulation, stability, size, composition and morphology. Besides, flow-cytometry (FCM), TEM, EDS, histopathology, RT-PCR, 16S-rRNA metagenomics and ELISA were also performed to assess the size and surface dependent activities of ET-NPs, T-NPs and T-MPs vis-a-vis planktonic bacteria, biofilm, GM bacterial communities and animal's organs. Electron-microscopic, NMR, FTIR, DLS, XRD and EDS confirmed the EGCG coronation, dispersity, size-stability of ET-NPs, crystallinity and elemental composition of ET-NPs-8 and T-NPs. Besides, FCM, RT-PCR, 16S-rRNA metagenomics, histopathology, SEM and EDS analyses exhibited that EGCG coronation in ET-NPs-8 enhanced the penetration into body organs (i.e., liver and kidney etc.) and metabolically active bacterial communities of GM.
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Affiliation(s)
- Khursheed Ali
- Medical Microbiology and Molecular Biology, Laboratory Interdisciplinary, Biotechnology Unit, Aligarh Muslim University, Aligarh 202002, UP, India
| | - Sahar Zaidi
- Medical Microbiology and Molecular Biology, Laboratory Interdisciplinary, Biotechnology Unit, Aligarh Muslim University, Aligarh 202002, UP, India
| | - Aijaz A Khan
- Department of Anatomy, Jawaharlal Nehru Medical College & Hospital, Aligarh Muslim University, Aligarh 202002, UP, India
| | - Asad U Khan
- Medical Microbiology and Molecular Biology, Laboratory Interdisciplinary, Biotechnology Unit, Aligarh Muslim University, Aligarh 202002, UP, India.
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13
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Zhang G, Luo W, Yang W, Li S, Li D, Zeng Y, Li Y. The importance of the
IL
‐1 family of cytokines in nanoimmunosafety and nanotoxicology. WIRES NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 14:e1850. [DOI: 10.1002/wnan.1850] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 08/03/2022] [Accepted: 08/11/2022] [Indexed: 11/24/2022]
Affiliation(s)
- Guofang Zhang
- Laboratory of Immunology and Nanomedicine Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences Shenzhen China
| | - Wenhe Luo
- Laboratory of Immunology and Nanomedicine Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences Shenzhen China
| | - Wenjie Yang
- Laboratory of Immunology and Nanomedicine Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences Shenzhen China
| | - Su Li
- Laboratory of Immunology and Nanomedicine Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences Shenzhen China
| | - Dongjie Li
- Laboratory of Immunology and Nanomedicine Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences Shenzhen China
| | - Yanqiao Zeng
- Laboratory of Immunology and Nanomedicine Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences Shenzhen China
| | - Yang Li
- Laboratory of Immunology and Nanomedicine Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences Shenzhen China
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14
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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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15
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Colnot E, Cardoit L, Cabirol MJ, Roudier L, Delville MH, Fayoux A, Thoby-Brisson M, Juvin L, Morin D. Chronic maternal exposure to titanium dioxide nanoparticles alters breathing in newborn offspring. Part Fibre Toxicol 2022; 19:57. [PMID: 35982496 PMCID: PMC9386967 DOI: 10.1186/s12989-022-00497-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 08/08/2022] [Indexed: 12/01/2022] Open
Abstract
Background Over the last two decades, nanotechnologies and the use of nanoparticles represent one of the greatest technological advances in many fields of human activity. Particles of titanium dioxide (TiO2) are one of the nanomaterials most frequently found in everyday consumer products. But, due in particular to their extremely small size, TiO2 nanoparticles (NPs) are prone to cross biological barriers and potentially lead to adverse health effects. The presence of TiO2 NPs found in human placentae and in the infant meconium has indicated unequivocally the capacity for a materno-fetal transfer of this nanomaterial. Although chronic exposure to TiO2 NPs during pregnancy is known to induce offspring cognitive deficits associated with neurotoxicity, the impact of a gestational exposure on a vital motor function such as respiration, whose functional emergence occurs during fetal development, remains unknown. Results Using in vivo whole-body plethysmographic recordings from neonatal mice, we show that a chronic exposure to TiO2 NPs during pregnancy alters the respiratory activity of offspring, characterized by an abnormally elevated rate of breathing. Correspondingly, using ex vivo electrophysiological recordings performed on isolated brainstem-spinal cord preparations of newborn mice and medullary slice preparations containing specific nuclei controlling breathing frequency, we show that the spontaneously generated respiratory-related rhythm is significantly and abnormally accelerated in animals prenatally exposed to TiO2 NPs. Moreover, such a chronic prenatal exposure was found to impair the capacity of respiratory neural circuitry to effectively adjust breathing rates in response to excitatory environmental stimuli such as an increase in ambient temperature. Conclusions Our findings thus demonstrate that a maternal exposure to TiO2 NPs during pregnancy affects the normal development and operation of the respiratory centers in progeny. Supplementary Information The online version contains supplementary material available at 10.1186/s12989-022-00497-4.
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Affiliation(s)
- Eloïse Colnot
- Univ. Bordeaux, CNRS, INCIA, UMR 5287, F-33000, Bordeaux, France
| | - Laura Cardoit
- Univ. Bordeaux, CNRS, INCIA, UMR 5287, F-33000, Bordeaux, France
| | | | - Lydia Roudier
- Univ. Bordeaux, CNRS, Bordeaux INP, ICMCB, UMR 5026, F-33608, Pessac, France
| | | | - Anne Fayoux
- Univ. Bordeaux, CNRS, INCIA, UMR 5287, F-33000, Bordeaux, France
| | | | - Laurent Juvin
- Univ. Bordeaux, CNRS, INCIA, UMR 5287, F-33000, Bordeaux, France
| | - Didier Morin
- Univ. Bordeaux, CNRS, INCIA, UMR 5287, F-33000, Bordeaux, France. .,Univ. Bordeaux, Department of Health, Safety and Environment, Bordeaux Institute of Technology, F-33175, Gradignan, France.
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16
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Chen Z, Han S, Zheng P, Zhang J, Zhou S, Jia G. Landscape of lipidomic metabolites in gut-liver axis of Sprague-Dawley rats after oral exposure to titanium dioxide nanoparticles. Part Fibre Toxicol 2022; 19:53. [PMID: 35922847 PMCID: PMC9351087 DOI: 10.1186/s12989-022-00484-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 04/29/2022] [Indexed: 12/15/2022] Open
Abstract
Background The application of titanium dioxide nanoparticles (TiO2 NPs) as food additives poses a risk of oral exposure that may lead to adverse health effects. Even though the substantial evidence supported liver as the target organ of TiO2 NPs via oral exposure, the mechanism of liver toxicity remains largely unknown. Since the liver is a key organ for lipid metabolism, this study focused on the landscape of lipidomic metabolites in gut-liver axis of Sprague Dawley (SD) rats exposed to TiO2 NPs at 0, 2, 10, 50 mg/kg body weight per day for 90 days. Results TiO2 NPs (50 mg/kg) caused slight hepatotoxicity and changed lipidomic signatures of main organs or systems in the gut-liver axis including liver, serum and gut. The cluster profile from the above biological samples all pointed to the same key metabolic pathway and metabolites, which was glycerophospholipid metabolism and Phosphatidylcholines (PCs), respectively. In addition, absolute quantitative lipidomics verified the changes of three PCs concentrations, including PC (16:0/20:1), PC (18:0/18:0) and PC (18:2/20:2) in the serum samples after treatment of TiO2 NPs (50 mg/kg). The contents of malondialdehyde (MDA) in serum and liver increased significantly, which were positively correlated with most differential lipophilic metabolites. Conclusions The gut was presumed to be the original site of oxidative stress and disorder of lipid metabolism, which resulted in hepatotoxicity through the gut-liver axis. Lipid peroxidation may be the initial step of lipid metabolism disorder induced by TiO2 NPs. Most nanomaterials (NMs) have oxidation induction and antibacterial properties, so the toxic pathway revealed in the present study may be primary and universal. Supplementary Information The online version contains supplementary material available at 10.1186/s12989-022-00484-9.
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Affiliation(s)
- 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
| | - Shuo Han
- 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
| | - Pai Zheng
- 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
| | - Shupei Zhou
- Department of Laboratory Animal Science, Health Science Center, Peking University, Beijing, 100191, China
| | - Guang Jia
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing, 100191, China.
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17
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Taghipour YD, Zarebkohan A, Salehi R, Rahimi F, Torchilin VP, Hamblin MR, Seifalian A. An update on dual targeting strategy for cancer treatment. J Control Release 2022; 349:67-96. [PMID: 35779656 DOI: 10.1016/j.jconrel.2022.06.044] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 06/04/2022] [Accepted: 06/24/2022] [Indexed: 12/18/2022]
Abstract
The key issue in the treatment of solid tumors is the lack of efficient strategies for the targeted delivery and accumulation of therapeutic cargoes in the tumor microenvironment (TME). Targeting approaches are designed for more efficient delivery of therapeutic agents to cancer cells while minimizing drug toxicity to normal cells and off-targeting effects, while maximizing the eradication of cancer cells. The highly complicated interrelationship between the physicochemical properties of nanoparticles, and the physiological and pathological barriers that are required to cross, dictates the need for the success of targeting strategies. Dual targeting is an approach that uses both purely biological strategies and physicochemical responsive smart delivery strategies to increase the accumulation of nanoparticles within the TME and improve targeting efficiency towards cancer cells. In both approaches, either one single ligand is used for targeting a single receptor on different cells, or two different ligands for targeting two different receptors on the same or different cells. Smart delivery strategies are able to respond to triggers that are typical of specific disease sites, such as pH, certain specific enzymes, or redox conditions. These strategies are expected to lead to more precise targeting and better accumulation of nano-therapeutics. This review describes the classification and principles of dual targeting approaches and critically reviews the efficiency of dual targeting strategies, and the rationale behind the choice of ligands. We focus on new approaches for smart drug delivery in which synthetic and/or biological moieties are attached to nanoparticles by TME-specific responsive linkers and advanced camouflaged nanoparticles.
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Affiliation(s)
- Yasamin Davatgaran Taghipour
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Zarebkohan
- Drug Applied Research Center and Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Roya Salehi
- Drug Applied Research Center and Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Fariborz Rahimi
- Department of Electrical Engineering, University of Bonab, Bonab, Iran
| | - Vladimir P Torchilin
- Center for Pharmaceutical Biotechnology and Nanomedicine and Department of Chemical Engineering, Northeastern University, Boston, USA
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, USA; Laser Research Centre, Faculty of Health Science, University of Johannesburg, South Africa
| | - Alexander Seifalian
- Nanotechnology & Regenerative Medicine Commercialization Centre (NanoRegMed Ltd), London BioScience Innovation Centre, London, United Kingdom
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18
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Tang X, Song F, Zhao W, Zhang Z, Cao Y. Intratracheal instillation of graphene oxide decreases anti-virus responses and lipid contents via suppressing Toll-like receptor 3 in mouse livers. J Appl Toxicol 2022; 42:1822-1831. [PMID: 35727742 DOI: 10.1002/jat.4359] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 06/06/2022] [Accepted: 06/17/2022] [Indexed: 12/11/2022]
Abstract
Recent studies revealed a causal relationship between Toll-like receptors (TLRs) and lipid droplet biogenesis. Interestingly, it has been reported before that nanomaterials (NMs) were capable to modulate TLRs, but it remains unclear if NMs could affect lipid levels via TLR signaling pathways. In this study, we investigated the influences of airway exposure to graphene oxide (GO) on TLR3 signaling pathways and lipid levels in mouse livers. Intratracheal instillation of GO (0.1, 1, and 5 mg/kg, once a day, totally 5 days) induced inflammatory cell infiltrations as indicated by hematoxylin-eosin (H&E) staining and fibrosis as indicated by Masson staining in lungs, accompanying with decreased TLR3 proteins. Consistently, a TLR3-regulated anti-virus protein, namely interferon induced protein with tetratricopeptide repeats 1 (IFIT1), as well as two TLR3-regulated lipid proteins, namely radical S-adenosyl methionine domain containing 2 (RSAD2) and perilipin 2 (PLIN2), were decreased in lungs. The protein levels of interferon-β in serum were also decreased. In livers, GO exposure induced disorganization of liver cells but not fibrosis. In agreement with the trends observed in lungs, TLR3, IFIT1, RSAD2, and PLIN2 proteins were decreased in livers. As a possible consequence, GO exposure dose-dependently decreased lipid levels in livers as indicated by oil red O and BODIPY 493/503 staining. We concluded that airway exposure to GO decreased anti-virus responses and lipid levels in mouse livers via the suppression of TLR3.
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Affiliation(s)
- Xiaomin Tang
- Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, China
| | - Fengmei Song
- Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, China
| | - Weichao Zhao
- Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, China
| | - Zhaohui Zhang
- Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, China
| | - Yi Cao
- Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, China
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19
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Turner AL, Brokamp C, Wolfe C, Reponen T, Brunst KJ, Ryan PH. Mental and Physical Stress Responses to Personal Ultrafine Particle Exposure in Adolescents. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19127509. [PMID: 35742759 PMCID: PMC9223710 DOI: 10.3390/ijerph19127509] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 06/14/2022] [Accepted: 06/15/2022] [Indexed: 02/05/2023]
Abstract
Incidence rates of mental health disorders among adolescents is increasing, indicating a strong need for effective prevention efforts at a population level. The etiology of mental health disorders includes genetic, social, and environmental factors. Ultrafine particles (UFPs; particles less than 0.1 μm in diameter) have been shown to exert neurotoxic effects on the brain; however, epidemiologic evidence on the relationship between UFPs and childhood mental health outcomes is unclear. The objective of this study was to determine if exposure to UFPs was associated with symptoms of mental health in adolescents. Adolescents completed personal UFP monitoring for one week as well as a series of validated Patient-Reported Outcomes Measurement Information System (PROMIS) assessments to measure five domains of mental and physical stress symptoms. Multivariable linear regression models were used to estimate the association between PROMIS domain T-scores and median weekly personal UFP exposure with the inclusion of interactions to explore sex differences. We observed that median weekly UFP exposure was significantly associated with physical stress symptoms (β: 5.92 per 10-fold increase in UFPs, 95% CI [0.72, 11.13]) but no other measured domains. Further, we did not find effect modification by sex on any of the PROMIS outcomes. The results of this study indicate UFPs are associated with physical symptoms of stress response among adolescents, potentially contributing to mental health disorders in this population.
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Affiliation(s)
- Ashley L. Turner
- Division of Biostatistics and Epidemiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA; (C.B.); (C.W.); (P.H.R.)
- Correspondence: ; Tel.: +1-630-306-2259
| | - Cole Brokamp
- Division of Biostatistics and Epidemiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA; (C.B.); (C.W.); (P.H.R.)
- Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Chris Wolfe
- Division of Biostatistics and Epidemiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA; (C.B.); (C.W.); (P.H.R.)
| | - Tiina Reponen
- Department of Environmental and Public Health Sciences, College of Medicine, University of Cincinnati, Cincinnati, OH 45221, USA; (T.R.); (K.J.B.)
| | - Kelly J. Brunst
- Department of Environmental and Public Health Sciences, College of Medicine, University of Cincinnati, Cincinnati, OH 45221, USA; (T.R.); (K.J.B.)
| | - Patrick H. Ryan
- Division of Biostatistics and Epidemiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA; (C.B.); (C.W.); (P.H.R.)
- Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH 45221, USA
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20
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Yuan B, Jiang B, Li H, Xu X, Li F, McClements DJ, Cao C. Interactions between TiO2 nanoparticles and plant proteins: Role of hydrogen bonding. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107302] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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21
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de Oliveira Mallia J, Galea R, Nag R, Cummins E, Gatt R, Valdramidis V. Nanoparticle Food Applications and Their Toxicity: Current Trends and Needs in Risk Assessment Strategies. J Food Prot 2022; 85:355-372. [PMID: 34614149 DOI: 10.4315/jfp-21-184] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 10/05/2021] [Indexed: 11/11/2022]
Abstract
ABSTRACT Nanotechnology has developed into one of the most groundbreaking scientific fields in the last few decades because it exploits the enhanced reactivity of materials at the atomic scale. The current classification of nanoparticles (NPs) used in foods is outlined in relation to the production and physicochemical characteristics. This review aims to concisely present the most popular and widely used inorganic and organic NPs in food industries. Considering that the toxicity of NPs is often associated with chemical reactivity, a series of in vitro toxicity studies are also summarized, integrating information on the type of NP studies and reported specifications, type of cells used, exposure conditions, and assessed end points. The important role of the digestive system in the absorption and distribution of nanoformulated foods within the body and how this affects the resultant cytotoxicity. Examples of how NPs and their accumulation within different organs are presented in relation to the consumption of specific foods. Finally, the role of developing human health risk assessments to characterize both the potential impact of the hazard and the likelihood or level of human exposure is outlined. Uncertainties exist around risk and exposure assessments of NPs due to limited information on several aspects, including toxicity, behavior, and bioaccumulation. Overall, this review presents current trends and needs for future assessments in toxicity evaluation to ensure the safe application of NPs in the food industry. HIGHLIGHTS
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Affiliation(s)
- Jefferson de Oliveira Mallia
- Department of Food Sciences and Nutrition, Faculty of Health Sciences, University College Dublin, Belfield, Dublin 4, Ireland.,Metamaterials Unit, Faculty of Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Russell Galea
- Metamaterials Unit, Faculty of Science, University College Dublin, Belfield, Dublin 4, Ireland
| | - Rajat Nag
- UCD School of Biosystems and Food Engineering, University College Dublin, Belfield, Dublin 4, Ireland
| | - Enda Cummins
- UCD School of Biosystems and Food Engineering, University College Dublin, Belfield, Dublin 4, Ireland
| | - Ruben Gatt
- Metamaterials Unit, Faculty of Science, University College Dublin, Belfield, Dublin 4, Ireland.,Centre for Molecular Medicine and Biobanking, University of Malta, Msida MSD2080, Malta; and
| | - Vasilis Valdramidis
- Department of Food Sciences and Nutrition, Faculty of Health Sciences, University College Dublin, Belfield, Dublin 4, Ireland.,Centre for Molecular Medicine and Biobanking, University of Malta, Msida MSD2080, Malta; and
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22
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Sharifi S, Caracciolo G, Pozzi D, Digiacomo L, Swann J, Daldrup-Link HE, Mahmoudi M. The role of sex as a biological variable in the efficacy and toxicity of therapeutic nanomedicine. Adv Drug Deliv Rev 2021; 174:337-347. [PMID: 33957181 DOI: 10.1016/j.addr.2021.04.028] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Revised: 04/19/2021] [Accepted: 04/29/2021] [Indexed: 02/08/2023]
Abstract
Males and females have physiological, hormonal, and genetic differences that can cause different responses to medicinal treatments. The role of sex in the pharmacokinetics and pharmacodynamics of drugs is well established in the literature. However, researchers have yet to robustly and consistently consider the impact of sex differences on the pharmacokinetics and pharmacodynamics of nanomedicine formulations when designing nanomedicine therapeutics and/or constructing clinical trials. In this review, we highlight the physiological and anatomical differences between sexes and discuss how these differences can influence the therapeutic efficacy, side effects, and drug delivery safety of nanomedicine products. A deep understanding of the effects of sex on nano-based drug delivery agents will robustly improve the risk assessment process, resulting in safer formulations, successful clinical translation, and improved therapeutic efficacies for both sexes.
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23
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Meng CL, Zhao W, Zhong DN. Epigenetics and microRNAs in UGT1As. Hum Genomics 2021; 15:30. [PMID: 34034810 PMCID: PMC8147421 DOI: 10.1186/s40246-021-00331-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 05/10/2021] [Indexed: 11/10/2022] Open
Abstract
UDP-glucuronosyltransferases (UGTs) are the main phase II drug-metabolizing enzymes mediating the most extensive glucuronidation-binding reaction in the human body. The UGT1A family is involved in more than half of glucuronidation reactions. However, significant differences exist in the distribution of UGT1As in vivo and the expression of UGT1As among individuals, and these differences are related to the occurrence of disease and differences in metabolism. In addition to genetic polymorphisms, there is now interest in the contribution of epigenetics and noncoding RNAs (especially miRNAs) to this differential change. Epigenetics regulates UGT1As pretranscriptionally through DNA methylation and histone modification, and miRNAs are considered the key mechanism of posttranscriptional regulation of UGT1As. Both epigenetic inheritance and miRNAs are involved in the differences in sex expression and in vivo distribution of UGT1As. Moreover, epigenetic changes early in life have been shown to affect gene expression throughout life. Here, we review and summarize the current regulatory role of epigenetics in the UGT1A family and discuss the relationship among epigenetics and UGT1A-related diseases and treatment, with references for future research.
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Affiliation(s)
- Cui-Lan Meng
- Department of Pediatrics, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning City, Guangxi, China
| | - Wei Zhao
- Department of Pediatrics, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning City, Guangxi, China
| | - Dan-Ni Zhong
- Department of Pediatrics, The First Affiliated Hospital of Guangxi Medical University, No. 6 Shuangyong Road, Nanning City, Guangxi, China.
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24
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Huang Y, Wang J, Jiang K, Chung EJ. Improving kidney targeting: The influence of nanoparticle physicochemical properties on kidney interactions. J Control Release 2021; 334:127-137. [PMID: 33892054 DOI: 10.1016/j.jconrel.2021.04.016] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 04/15/2021] [Accepted: 04/16/2021] [Indexed: 12/23/2022]
Abstract
Kidney-targeted nanoparticles have become of recent interest due to their potential to deliver drugs directly to diseased tissue, decrease off-target adverse effects, and increase overall tolerability to patients with chronic kidney disease that require lifelong drug exposure. Given the physicochemical properties of nanoparticles can drastically affect their ability to extravasate past cellular and biological barriers and access the kidneys, we surveyed the literature from the past decade and analyzed how nanoparticle size, charge, shape, and material density affects passage and interaction with the kidneys. Specifically, we found that nanoparticle size impacted the mechanism of nanoparticle entry into the kidneys such as glomerular filtration or tubular secretion. In addition, we found charge, aspect ratio, and material density influences nanoparticle renal retention and provide insights for designing nanoparticles for passive kidney targeting. Finally, we conclude by highlighting active targeting strategies that bolster kidney retention and discuss the clinical status of nanomedicine for kidney diseases.
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Affiliation(s)
- Yi Huang
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA
| | - Jonathan Wang
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA
| | - Kairui Jiang
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA
| | - Eun Ji Chung
- Department of Biomedical Engineering, University of Southern California, Los Angeles, CA, USA; Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA, USA; Department of Medicine, Division of Nephrology and Hypertension, University of Southern California, Los Angeles, CA, USA; Department of Surgery, Division of Vascular Surgery and Endovascular Therapy, University of Southern California, Los Angeles, CA, USA.
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25
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Bischoff NS, de Kok TM, Sijm DT, van Breda SG, Briedé JJ, Castenmiller JJ, Opperhuizen A, Chirino YI, Dirven H, Gott D, Houdeau E, Oomen AG, Poulsen M, Rogler G, van Loveren H. Possible Adverse Effects of Food Additive E171 (Titanium Dioxide) Related to Particle Specific Human Toxicity, Including the Immune System. Int J Mol Sci 2020; 22:ijms22010207. [PMID: 33379217 PMCID: PMC7795714 DOI: 10.3390/ijms22010207] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 12/18/2020] [Accepted: 12/24/2020] [Indexed: 12/12/2022] Open
Abstract
Titanium dioxide (TiO2) is used as a food additive (E171) and can be found in sauces, icings, and chewing gums, as well as in personal care products such as toothpaste and pharmaceutical tablets. Along with the ubiquitous presence of TiO2 and recent insights into its potentially hazardous properties, there are concerns about its application in commercially available products. Especially the nano-sized particle fraction (<100 nm) of TiO2 warrants a more detailed evaluation of potential adverse health effects after ingestion. A workshop organized by the Dutch Office for Risk Assessment and Research (BuRO) identified uncertainties and knowledge gaps regarding the gastrointestinal absorption of TiO2, its distribution, the potential for accumulation, and induction of adverse health effects such as inflammation, DNA damage, and tumor promotion. This review aims to identify and evaluate recent toxicological studies on food-grade TiO2 and nano-sized TiO2 in ex-vivo, in-vitro, and in-vivo experiments along the gastrointestinal route, and to postulate an Adverse Outcome Pathway (AOP) following ingestion. Additionally, this review summarizes recommendations and outcomes of the expert meeting held by the BuRO in 2018, in order to contribute to the hazard identification and risk assessment process of ingested TiO2.
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Affiliation(s)
- Nicolaj S. Bischoff
- Department of Toxicogenomics, GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, P.O. Box 616, 6200 MD Maastricht, The Netherlands; (T.M.d.K.); (D.T.H.M.S.); (S.G.v.B.); (J.J.B.)
- Correspondence:
| | - Theo M. de Kok
- Department of Toxicogenomics, GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, P.O. Box 616, 6200 MD Maastricht, The Netherlands; (T.M.d.K.); (D.T.H.M.S.); (S.G.v.B.); (J.J.B.)
| | - Dick T.H.M. Sijm
- Department of Toxicogenomics, GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, P.O. Box 616, 6200 MD Maastricht, The Netherlands; (T.M.d.K.); (D.T.H.M.S.); (S.G.v.B.); (J.J.B.)
- Netherlands Food and Consumer Product Safety Authority, P.O. Box 43006, 3540 AA Utrecht, The Netherlands; (J.J.M.C.); (A.O.); (H.v.L.)
| | - Simone G. van Breda
- Department of Toxicogenomics, GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, P.O. Box 616, 6200 MD Maastricht, The Netherlands; (T.M.d.K.); (D.T.H.M.S.); (S.G.v.B.); (J.J.B.)
| | - Jacco J. Briedé
- Department of Toxicogenomics, GROW-School for Oncology and Developmental Biology, Maastricht University Medical Center, P.O. Box 616, 6200 MD Maastricht, The Netherlands; (T.M.d.K.); (D.T.H.M.S.); (S.G.v.B.); (J.J.B.)
| | - Jacqueline J.M. Castenmiller
- Netherlands Food and Consumer Product Safety Authority, P.O. Box 43006, 3540 AA Utrecht, The Netherlands; (J.J.M.C.); (A.O.); (H.v.L.)
| | - Antoon Opperhuizen
- Netherlands Food and Consumer Product Safety Authority, P.O. Box 43006, 3540 AA Utrecht, The Netherlands; (J.J.M.C.); (A.O.); (H.v.L.)
| | - Yolanda I. Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autonóma de México, Mexico City 54090, Mexico;
| | - Hubert Dirven
- Norwegian Institute of Public Health, P.O. Box 222 Skøyen, 0213 Oslo, Norway;
| | - David Gott
- Food Standard Agency, London SW1H9EX, UK;
| | - Eric Houdeau
- French National Research Institute for Agriculture, Food and Environment (INRAE), 75338 Paris, France;
| | - Agnes G. Oomen
- National Institute for Public Health and the Environment, P.O. Box 1, 3720 BA Bilthoven, The Netherlands;
| | - Morten Poulsen
- National Food Institute, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark;
| | - Gerhard Rogler
- Department of Gastroenterology and Hepatology, University Hospital of Zurich, 8091 Zurich, Switzerland;
| | - Henk van Loveren
- Netherlands Food and Consumer Product Safety Authority, P.O. Box 43006, 3540 AA Utrecht, The Netherlands; (J.J.M.C.); (A.O.); (H.v.L.)
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26
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Grasso A, Ferrante M, Zuccarello P, Filippini T, Arena G, Fiore M, Cristaldi A, Conti GO, Copat C. Chemical Characterization and Quantification of Titanium Dioxide Nanoparticles (TiO 2-NPs) in Seafood by Single-Particle ICP-MS: Assessment of Dietary Exposure. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17249547. [PMID: 33419346 PMCID: PMC7766088 DOI: 10.3390/ijerph17249547] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/17/2020] [Accepted: 12/17/2020] [Indexed: 12/30/2022]
Abstract
The significant increase in the production and variety of nanoparticles (NPs) has led to their release into the environment, especially into the marine environment. Titanium dioxide nanoparticles (TiO2-NPs) are used in different industrial sectors, from the food industry to several consumer and household products. Since the aquatic environment is highly sensitive to contamination by TiO2-NPs, this work aimed to give a preliminary assessment of the contamination of packaged seafood, where the food additive TiO2 (E171) is not to be intentionally added. This allowed providing a chemical characterization and quantification of TiO2-NPs in processed canned fish products belonging to different trophic positions of the pelagic compartment and in canned clam. The new emerging technique called single-particle inductively coupled plasma mass spectrometry (spICP-MS) was applied, which allows the determination of nanoparticle number-based concentration, as well as the dissolved titanium. This study highlights how processed food, where the pigment E171 was not intentionally added, contains TiO2 in its nanoparticle form, as well as dissolved titanium. Processed clam represented the seafood with the highest content of TiO2-NPs. In pelagic fish species, we found progressively higher levels and smaller sizes of TiO2-NPs from smaller to larger fish. Our results highlight the importance of planning the characterization and quantification of TiO2-NPs in food both processed and not, as well as where the pigment E171 is intentionally added and not, as it is not the only source of TiO2-NPs. This result represents a solid step toward being able to estimate the real level of dietary exposure to TiO2-NPs for the general population and the related health risks.
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Affiliation(s)
- Alfina Grasso
- Department of Medical, Surgical and Advanced Technologies “G.F. Ingrassia”, University of Catania, Via Santa Sofia 87, 95123 Catania, Italy; (A.G.); (P.Z.); (G.A.); (M.F.); (A.C.); (G.O.C.); (C.C.)
| | - Margherita Ferrante
- Department of Medical, Surgical and Advanced Technologies “G.F. Ingrassia”, University of Catania, Via Santa Sofia 87, 95123 Catania, Italy; (A.G.); (P.Z.); (G.A.); (M.F.); (A.C.); (G.O.C.); (C.C.)
- Correspondence:
| | - Pietro Zuccarello
- Department of Medical, Surgical and Advanced Technologies “G.F. Ingrassia”, University of Catania, Via Santa Sofia 87, 95123 Catania, Italy; (A.G.); (P.Z.); (G.A.); (M.F.); (A.C.); (G.O.C.); (C.C.)
| | - Tommaso Filippini
- Environmental, Genetic and Nutritional Epidemiology Research Center, Department of Biomedical, Metabolic and Neural Sciences, Section of Public Health, University of Modena and Reggio Emilia, Via Campi 287, 41125 Modena, Italy;
| | - Giovanni Arena
- Department of Medical, Surgical and Advanced Technologies “G.F. Ingrassia”, University of Catania, Via Santa Sofia 87, 95123 Catania, Italy; (A.G.); (P.Z.); (G.A.); (M.F.); (A.C.); (G.O.C.); (C.C.)
| | - Maria Fiore
- Department of Medical, Surgical and Advanced Technologies “G.F. Ingrassia”, University of Catania, Via Santa Sofia 87, 95123 Catania, Italy; (A.G.); (P.Z.); (G.A.); (M.F.); (A.C.); (G.O.C.); (C.C.)
| | - Antonio Cristaldi
- Department of Medical, Surgical and Advanced Technologies “G.F. Ingrassia”, University of Catania, Via Santa Sofia 87, 95123 Catania, Italy; (A.G.); (P.Z.); (G.A.); (M.F.); (A.C.); (G.O.C.); (C.C.)
| | - Gea Oliveri Conti
- Department of Medical, Surgical and Advanced Technologies “G.F. Ingrassia”, University of Catania, Via Santa Sofia 87, 95123 Catania, Italy; (A.G.); (P.Z.); (G.A.); (M.F.); (A.C.); (G.O.C.); (C.C.)
| | - Chiara Copat
- Department of Medical, Surgical and Advanced Technologies “G.F. Ingrassia”, University of Catania, Via Santa Sofia 87, 95123 Catania, Italy; (A.G.); (P.Z.); (G.A.); (M.F.); (A.C.); (G.O.C.); (C.C.)
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27
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Chen Z, Zheng P, Han S, Zhang J, Li Z, Zhou S, Jia G. Tissue-specific oxidative stress and element distribution after oral exposure to titanium dioxide nanoparticles in rats. NANOSCALE 2020; 12:20033-20046. [PMID: 32996981 DOI: 10.1039/d0nr05591c] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Dietary and environmental exposure to titanium dioxide nanoparticles (TiO2 NPs) can cause low-dose and long-term oral exposure in the population, posing a potential adverse health risk. Oxidative stress is considered to be the primary effect of TiO2 NPs through biological interaction. In the present study, we conducted an animal experiment to investigate the element distribution and oxidative stress in Sprague-Dawley rats after oral exposure to TiO2 NPs at daily doses of 0, 2, 10, and 50 mg kg-1 for 90 days. Through the detection of Ti element content in various tissues, limited absorption and distribution of TiO2 NPs in rats was found. However, orally ingested TiO2 NPs still induced tissue-specific oxidative stress and imbalance of elements. Liver tissue was the most sensitive tissue to TiO2 NP-induced oxidative stress, showing decreased reduced glutathione (GSH), increased oxidized glutathione (GSSG) and decreased ratio of GSH/GSSG as well as accumulation of lipid peroxidation (malondialdehyde, MDA) in liver tissues of rats after TiO2 NP exposure (10 and 50 mg kg-1). Meanwhile, oral exposure to TiO2 NPs caused a significant reduction in metal elements such as Mg, Ca and Co in various tissues. Through bioinformatics analysis, the tissue specificity and correlation between the imbalance of elements and oxidative stress were statistically confirmed, but it was difficult to understand the causal relationship. Disorder of element distribution and oxidative stress may lead to a series of subsequent adverse health effects and the tissue specificity would partly explain the target effects of TiO2 NPs.
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Affiliation(s)
- Zhangjian Chen
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China.
| | - Pai Zheng
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China.
| | - Shuo Han
- Department of Occupational and Environmental Health Sciences, 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.
| | - Zejun Li
- National Laboratory for Molecular Sciences, Radiochemistry and Radiation Chemistry Key Laboratory of Fundamental Science, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Shupei Zhou
- Department of Laboratory Animal Science, Health Science Center, Peking University, Beijing 100191, China
| | - Guang Jia
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China.
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Ogunsuyi O, Ogunsuyi O, Akanni O, Alabi O, Alimba C, Adaramoye O, Cambier S, Eswara S, Gutleb AC, Bakare A. Physiological and histopathological alterations in male Swiss mice after exposure to titanium dioxide (anatase) and zinc oxide nanoparticles and their binary mixture. Drug Chem Toxicol 2020; 45:1188-1213. [PMID: 32865034 DOI: 10.1080/01480545.2020.1811720] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Existing studies have shown the systemic damage of titanium dioxide (TiO2) or zinc oxide (ZnO) nanoparticles (NPs), but there is little or no existing knowledge on the potential adverse toxic effects of the mixture of the two. In order to investigate the in vivo toxic effect of the mixture of TiO2 NPs and ZnO NPs, the acute toxicities of TiO2 NPs, ZnO NPs by themselves, and their mixture (1:1) were determined. The systemic toxicities of the individual NPs and mixture were evaluated in mice using hematological indices, hepatic, renal, and lipid profile parameters, and histopathology as endpoints. NPs were intraperitoneally administered at doses of 9.38, 18.75, 37.50, 75.00, and 150.00 mg/kg bw each. Individual NPs and their mixture were administered daily for 5 and 10 d, respectively. The LD50 of ZnO NPs was 299.9 mg/kg while TiO2 NPs by themselves or TiO2 NPs + ZnO NPs were indeterminate due to the absence of mortality of the male mice treated. TiO2 NPs, ZnO NPs by themselves and TiO2 NPs + ZnO NPs induced significant alterations in the hematological and biochemical parameters, with higher toxicity at 10 d. Histopathological lesions were observed in the liver, kidneys, spleen, heart, and brain of mice treated with the individual NPs and their mixture. TiO2 NPs + ZnO NPs were able to induce a higher systemic toxicity than TiO2 NPs or ZnO NPs individually. Our data suggest that more comprehensive risk assessments should be carried out on the mixture of NPs before utilization in consumer products.
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Affiliation(s)
- Opeoluwa Ogunsuyi
- Cell Biology and Genetics Unit, Department of Zoology, University of Ibadan, Ibadan, Oyo State, Nigeria
| | - Olusegun Ogunsuyi
- Department of Biological Sciences, Mountain Top University, Ibafo, Ogun State, Nigeria
| | - Olubukola Akanni
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, University of Ibadan, Ibadan, Oyo State, Nigeria
| | - Okunola Alabi
- Department of Biology, Federal University of Technology, Akure, Ondo State, Nigeria
| | - Chibuisi Alimba
- Cell Biology and Genetics Unit, Department of Zoology, University of Ibadan, Ibadan, Oyo State, Nigeria
| | - Oluwatosin Adaramoye
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, University of Ibadan, Ibadan, Oyo State, Nigeria
| | - Sebastien Cambier
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology, Belvaux, Luxembourg
| | - Santhana Eswara
- Materials Research and Technology (MRT) Department, Luxembourg Institute of Science and Technology, Belvaux, Luxembourg
| | - Arno C Gutleb
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology, Belvaux, Luxembourg
| | - Adekunle Bakare
- Cell Biology and Genetics Unit, Department of Zoology, University of Ibadan, Ibadan, Oyo State, Nigeria
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Chen ZJ, Han S, Zheng P, Zhou SP, Jia G. [Effect of subchronic combined oral exposure of titanium dioxide nanoparticles and glucose on levels of serum folate and vitamin B 12 in young SD rats]. JOURNAL OF PEKING UNIVERSITY. HEALTH SCIENCES 2020; 52:451-456. [PMID: 32541977 DOI: 10.19723/j.issn.1671-167x.2020.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To explore the effect of subchronic combined oral exposure of titanium dioxide nanoparticles and glucose on levels of serum folate and vitamin B12 in young SD rats. METHODS At first, the physical and chemical properties of titanium dioxide nanoparticles, such as particle size, shape, crystal form and agglomeration degree in solution system, were characterized in detail. Eighty 4-week-old young SD rats were randomly divided into 8 groups (10 rats in each group, half male and half female). The rats were exposed to titanium dioxide nanoparticles through intragastric administration at 0, 2, 10 and 50 mg/kg body weight with or without 1.8 g/kg glucose daily for 90 days. At last, the concentrations of serum folate and vitamin B12 were detected. RESULTS Titanium dioxide nanoparticles were anatase crystals, closely spherical shape, with an average particle size of (24±5) nm. In male young rats, compared with the control group, the serum folate concentration was significantly increased when exposed to titanium dioxide nanoparticles (10 mg/kg) and glucose. The difference was statistically significant (P<0.05). However, in female and male young rats, compared with glucose (1.8 g/kg) exposure group, titanium dioxide nanoparticles (50 mg/kg) and glucose significantly reduced the serum folate concentration. The difference was statistically significant (P<0.05). Through statistical analysis of factorial design and calculation of interaction, obvious antagonistic effect was observed between titanium dioxide nanoparticles and glucose on the serum folate concentration in the young female SD rats. The combined oral exposure of titanium dioxide nanoparticles and glucose had little effect on the concentration of serum vitamin B12 in the young SD rats, with no significant interaction between the two substances. It was only found that titanium dioxide nanoparticles (2 mg/kg) and glucose significantly increased the serum vitamin B12 concentration, compared with glucose (1.8 g/kg) exposure group. The difference was statistically significant (P<0.05). CONCLUSION Subchronic combined oral exposure of titanium dioxide nanoparticles and glucose had an obvious antagonistic effect on serum folate concentrations in young SD rats.
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Affiliation(s)
- Z J Chen
- Department of Occupational and Enviromental Health Sciences, Peking University School of Public Health, Beijing 100191, China
| | - S Han
- Department of Occupational and Enviromental Health Sciences, Peking University School of Public Health, Beijing 100191, China
| | - P Zheng
- Department of Occupational and Enviromental Health Sciences, Peking University School of Public Health, Beijing 100191, China
| | - S P Zhou
- Department of Laboratory Animal Science, Peking University Health Science Center, Beijing 100191, China
| | - G Jia
- Department of Occupational and Enviromental Health Sciences, Peking University School of Public Health, Beijing 100191, China
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Chen Z, Han S, Zheng P, Zhou S, Jia G. Combined effect of titanium dioxide nanoparticles and glucose on the blood glucose homeostasis in young rats after oral administration. J Appl Toxicol 2020; 40:1284-1296. [DOI: 10.1002/jat.3985] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/27/2020] [Accepted: 03/28/2020] [Indexed: 11/07/2022]
Affiliation(s)
- Zhangjian Chen
- Department of Occupational and Environmental Health Sciences, School of Public HealthPeking University Beijing China
| | - Shuo Han
- Department of Occupational and Environmental Health Sciences, School of Public HealthPeking University Beijing China
| | - Pai Zheng
- Department of Occupational and Environmental Health Sciences, School of Public HealthPeking University Beijing China
| | - Shupei Zhou
- Department of Laboratory Animal Science, Health Science CenterPeking University Beijing China
| | - Guang Jia
- Department of Occupational and Environmental Health Sciences, School of Public HealthPeking University Beijing China
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Chen Z, Han S, Zheng P, Zhou D, Zhou S, Jia G. Effect of oral exposure to titanium dioxide nanoparticles on lipid metabolism in Sprague-Dawley rats. NANOSCALE 2020; 12:5973-5986. [PMID: 32108206 DOI: 10.1039/c9nr10947a] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Ingestion of titanium dioxide nanoparticles (TiO2 NPs) via dietary and environmental exposure may pose health risks. The research about the potential effect of orally ingested nanoparticles on nutritional metabolism has been limited. We conducted an animal experiment to investigate the effect of oral exposure to TiO2 NPs on lipid metabolism in Sprague-Dawley rats. The rats were treated with TiO2 NPs (29 ± 9 nm) orally at doses of 0, 2, 10, 50 mg per kg bw daily for 90 days. Lipid metabolism is evaluated by biomarkers of serum lipids and lipidomics. TiO2 NPs caused a significant decrease of body weight in rats after exposure at doses of 10 and 50 mg kg-1 from the 8th to 13th week. The level of triglycerides (TG) decreased (0.398 ± 0.114 vs. 0.248 ± 0.058 nmol L-1) and the lipidomic signature changed significantly in the serum of rats treated with TiO2 NPs (50 mg kg-1). Sixty-nine well-matched lipophilic metabolites were differentially expressed and the glycerophospholipid metabolism pathway significantly changed. The concentrations of 32 metabolites including 19 kinds of phosphatidylcholines (PCs) increased and 37 metabolites including lysophosphatidylcholines (LysoPCs) and glycerophosphocholine decreased significantly in the TiO2 NP exposed group (50 mg kg-1). The accumulation of the lipid peroxidation product (malondialdehyde, MDA) and the decreased activity of the antioxidant enzyme SOD were observed and closely related to differential metabolites. In conclusion, orally ingested TiO2 NPs (50 mg kg-1) could have an impact on lipid metabolism, for which the strong induction of oxidative stress may be the main reason. The present study led to a better understanding of the oral toxicity of food-related TiO2 NPs.
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Affiliation(s)
- Zhangjian Chen
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China. and Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100191, China
| | - Shuo Han
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China. and Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100191, China
| | - Pai Zheng
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China. and Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100191, China
| | - Di Zhou
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China. and Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100191, China
| | - Shupei Zhou
- Department of Laboratory Animal Science, Health Science Center, Peking University, Beijing 100191, China
| | - Guang Jia
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, China. and 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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Chen Z, Zhou D, Han S, Zhou S, Jia G. Hepatotoxicity and the role of the gut-liver axis in rats after oral administration of titanium dioxide nanoparticles. Part Fibre Toxicol 2019; 16:48. [PMID: 31881974 PMCID: PMC6935065 DOI: 10.1186/s12989-019-0332-2] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 12/18/2019] [Indexed: 12/23/2022] Open
Abstract
Background Due to its excellent physicochemical properties and wide applications in consumer goods, titanium dioxide nanoparticles (TiO2 NPs) have been increasingly exposed to the environment and the public. However, the health effects of oral exposure of TiO2 NPs are still controversial. This study aimed to illustrate the hepatotoxicity induced by TiO2 NPs and the underlying mechanisms. Rats were administered with TiO2 NPs (29 nm) orally at exposure doses of 0, 2, 10, 50 mg/kg daily for 90 days. Changes in the gut microbiota and hepatic metabolomics were analyzed to explore the role of the gut-liver axis in the hepatotoxicity induced by TiO2 NPs. Results TiO2 NPs caused slight hepatotoxicity, including clear mitochondrial swelling, after subchronic oral exposure at 50 mg/kg. Liver metabolomics analysis showed that 29 metabolites and two metabolic pathways changed significantly in exposed rats. Glutamate, glutamine, and glutathione were the key metabolites leading the generation of energy-related metabolic disorders and imbalance of oxidation/antioxidation. 16S rDNA sequencing analysis showed that the diversity of gut microbiota in rats increased in a dose-dependent manner. The abundance of Lactobacillus_reuteri increased and the abundance of Romboutsia decreased significantly in feces of TiO2 NPs-exposed rats, leading to changes of metabolic function of gut microbiota. Lipopolysaccharides (LPS) produced by gut microbiota increased significantly, which may be a key factor in the subsequent liver effects. Conclusions TiO2 NPs could induce slight hepatotoxicity at dose of 50 mg/kg after long-term oral exposure. The indirect pathway of the gut-liver axis, linking liver metabolism and gut microbiota, played an important role in the underlying mechanisms.
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Affiliation(s)
- 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
| | - Di Zhou
- 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
| | - Shuo Han
- 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
| | - Shupei Zhou
- Department of Laboratory Animal Science, Health Science Center, 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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Mu W, Wang Y, Huang C, Fu Y, Li J, Wang H, Jia X, Ba Q. Effect of Long-Term Intake of Dietary Titanium Dioxide Nanoparticles on Intestine Inflammation in Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:9382-9389. [PMID: 31361959 DOI: 10.1021/acs.jafc.9b02391] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Early stage exposure of foodborne substances, such as brightening agent titanium dioxide nanoparticles (TiO2 NPs), can cause long-term effects in adulthood. We aimed to explore the potential adverse effect of long-term dietary intake of TiO2 NPs. After feeding for 2-3 months from weaning, TiO2 NPs-exposed mice showed lower body weight and induced intestinal inflammation. However, this phenomenon was not observed in gut microbiota-removed mice. TiO2 NPs exposure rarely affected the diversity of microbial communities, but significantly decreased the abundance of several probiotic taxa including Bifidobacterium and Lactobacillus. Additionally, TiO2 NPs aggravated DSS-induced chronic colitis and immune response in vivo, and reduced the population of CD4+T cells, regulatory T cells, and macrophages in mesenteric lymph nodes. Therefore, dietary TiO2 NPs could interfere with the balance of immune system and dynamic of gut microbiome, which may result in low-grade intestinal inflammation and aggravated immunological response to external stimulus, thus introducing potential health risk.
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Affiliation(s)
- Wei Mu
- School of Public Health , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , P. R. China
| | - Yong Wang
- Henan Business Research Institute Company, Limited , Zhengzhou 450000 , P. R. China
| | - Chao Huang
- CAS Key Laboratory of Nutrition, Metabolism and Food safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences , University of Chinese Academy of Sciences, Chinese Academy of Sciences , Shanghai 200031 , P. R. China
| | - Yijing Fu
- CAS Key Laboratory of Nutrition, Metabolism and Food safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences , University of Chinese Academy of Sciences, Chinese Academy of Sciences , Shanghai 200031 , P. R. China
| | - Jingquan Li
- School of Public Health , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , P. R. China
| | - Hui Wang
- School of Public Health , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , P. R. China
| | - Xudong Jia
- Key Laboratory of Food Safety Risk Assessment, Ministry of Health , Beijing 100021 , P. R. China
| | - Qian Ba
- School of Public Health , Shanghai Jiao Tong University School of Medicine , Shanghai 200025 , P. R. China
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