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Xu FF, Chen YS, Lin XQ, Zhong AH, Zhao M, Li YQ, Li ZY, Lai YF, Song J, Pan JL, Cai ZF, Liang XX, Liu ZP, Wu YN, Wu WL, Yang XF. Bioaccessibility and bioavailability assessment of cadmium in rice: In vitro simulators with/without gut microbiota and validation through in vivo mouse and human data. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 953:175980. [PMID: 39236823 DOI: 10.1016/j.scitotenv.2024.175980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 08/02/2024] [Accepted: 08/31/2024] [Indexed: 09/07/2024]
Abstract
Assessing the bioaccessibility and bioavailability of cadmium (Cd) is crucial for effective evaluation of the exposure risk associated with intake of Cd-contaminated rice. However, limited studies have investigated the influence of gut microbiota on these two significant factors. In this study, we utilized in vitro gastrointestinal simulators, specifically the RIVM-M (with human gut microbial communities) and the RIVM model (without gut microbial communities), to determine the bioaccessibility of Cd in rice. Additionally, we employed the Caco-2 cell model to assess bioavailability. Our findings provide compelling evidence that gut microbiota significantly reduces Cd bioaccessibility and bioavailability (p<0.05). Notably, strong in vivo-in vitro correlations (IVIVC) were observed between the in vitro bioaccessibilities and bioavailabilities, as compared to the results obtained from an in vivo mouse bioassay (R2 = 0.63-0.65 and 0.45-0.70, respectively). Minerals such as copper (Cu) and iron (Fe) in the food matrix were found to be negatively correlated with Cd bioaccessibility in rice. Furthermore, the results obtained from the toxicokinetic (TK) model revealed that the predicted urinary Cd levels in the Chinese population, based on dietary Cd intake adjusted by in vitro bioaccessibility from the RIVM-M model, were consistent with the actual measured levels (p > 0.05). These results indicated that the RIVM-M model represents a potent approach for measuring Cd bioaccessibility and underscore the crucial role of gut microbiota in the digestion and absorption process of Cd. The implementation of these in vitro methods holds promise for reducing uncertainties in dietary exposure assessment.
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Affiliation(s)
- Fei-Fei Xu
- Food Safety and Health Research Center, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Ying-Si Chen
- Food Safety and Health Research Center, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Xiu-Qin Lin
- Food Safety and Health Research Center, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Ai-Hua Zhong
- Food Safety and Health Research Center, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Min Zhao
- Institute of Toxicology, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, PR China
| | - Yue-Qi Li
- Department of Preventive Medicine, Faculty of Medical Science, Jinan University, Guangzhou 510632, PR China
| | - Zi-Yin Li
- Food Safety and Health Research Center, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Yue-Fei Lai
- Food Safety and Health Research Center, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Jia Song
- Food Safety and Health Research Center, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Jia-Liang Pan
- Hygiene Detection Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Zhan-Fan Cai
- Guangdong Institute of Food Inspection (Guangdong Inspection Center of Wine and Spirits), Guangzhou 510435, PR China
| | - Xu-Xia Liang
- Guangdong Institute of Food Inspection (Guangdong Inspection Center of Wine and Spirits), Guangzhou 510435, PR China
| | - Zhao-Ping Liu
- NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing 100021, PR China
| | - Yong-Ning Wu
- Food Safety and Health Research Center, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China; NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing 100021, PR China
| | - Wei-Liang Wu
- Food Safety and Health Research Center, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China.
| | - Xing-Fen Yang
- Food Safety and Health Research Center, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China.
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Chen C, Zhou Z, Yu S, Ma Y, Wang G, Han X, Jiao C, Luan J, Liu Z, Xu Y, Wang H, Zhang Q, Fu J, Zhou H, Pi J. Nrf2 protects against renal fibrosis induced by chronic cadmium exposure in mice. Food Chem Toxicol 2023; 178:113875. [PMID: 37286028 DOI: 10.1016/j.fct.2023.113875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 06/02/2023] [Accepted: 06/03/2023] [Indexed: 06/09/2023]
Abstract
Environmental cadmium (Cd) exposure is a serious public health concern, as the kidney is the primary target for Cd exposure. The present study aimed to investigate the role and underlying mechanisms of nuclear factor erythroid-derived 2-like 2 (Nrf2) in renal fibrosis induced by chronic Cd exposure. Nrf2 knockout (Nrf2-KO) mice and their wild-type littermates (Nrf2-WT) were exposed to 100 or 200 ppm Cd in drinking water for up to 16 or 24 weeks. Following the Cd exposures, Nrf2-KO mice showed elevated urinary neutrophil gelatinase-associated lipocalin (NGAL) and BUN levels compared to Nrf2-WT mice. Masson's trichrome staining and expression of fibrosis-associated proteins revealed that more severe renal fibrosis occurred in Nrf2-KO than that in Nrf2-WT mice. Renal Cd content in the Nrf2-KO mice exposed to 200 ppm Cd was lower than that in Nrf2-WT mice, which might be a consequence of the severe renal fibrosis in the Nrf2-KO mice. Mechanistic studies showed that Nrf2-KO mice exhibited higher levels of oxidative damage, lower antioxidant levels, and more regulated cell death, apoptosis in particular, than those in Nrf2-WT mice caused by Cd exposure. In conclusion, Nrf2-KO mice were more prone to develop renal fibrosis induced by chronic Cd exposure, partially due to a weakened antioxidant, detoxification capacity and increased oxidative damage.
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Affiliation(s)
- Chengjie Chen
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Key Laboratory of Liaoning Province on Toxic and Biological Effects of Arsenic (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Program of Environmental Toxicology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China
| | - Zhengsheng Zhou
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Program of Environmental Toxicology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China
| | - Siqi Yu
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Program of Environmental Toxicology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China
| | - Yawei Ma
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Program of Environmental Toxicology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China
| | - Gang Wang
- Experimental and Teaching Center, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China
| | - Xue Han
- Program of Environmental Toxicology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China
| | - Congcong Jiao
- Department of Nephrology, The Affiliated Shengjing Hospital, China Medical University, No. 36 Sanhao Street, Heping District, Shenyang, Liaoning, 110004, PR China
| | - Junjun Luan
- Department of Nephrology, The Affiliated Shengjing Hospital, China Medical University, No. 36 Sanhao Street, Heping District, Shenyang, Liaoning, 110004, PR China
| | - Zhiyuan Liu
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Program of Environmental Toxicology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China
| | - Yuanyuan Xu
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Key Laboratory of Liaoning Province on Toxic and Biological Effects of Arsenic (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Group of Chronic Disease and Environmental Genomics, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China
| | - Huihui Wang
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Group of Chronic Disease and Environmental Genomics, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China
| | - Qiang Zhang
- Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, 30322, USA
| | - Jingqi Fu
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Key Laboratory of Liaoning Province on Toxic and Biological Effects of Arsenic (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Program of Environmental Toxicology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China
| | - Hua Zhou
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Department of Nephrology, The Affiliated Shengjing Hospital, China Medical University, No. 36 Sanhao Street, Heping District, Shenyang, Liaoning, 110004, PR China.
| | - Jingbo Pi
- Key Laboratory of Environmental Stress and Chronic Disease Control and Prevention, Ministry of Education (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Key Laboratory of Liaoning Province on Toxic and Biological Effects of Arsenic (China Medical University), No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China; Program of Environmental Toxicology, School of Public Health, China Medical University, No. 77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning, 110122, PR China.
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3
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Ruczaj A, Brzóska MM. Environmental exposure of the general population to cadmium as a risk factor of the damage to the nervous system: A critical review of current data. J Appl Toxicol 2023; 43:66-88. [PMID: 35304765 PMCID: PMC10084305 DOI: 10.1002/jat.4322] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 02/14/2022] [Accepted: 03/15/2022] [Indexed: 12/16/2022]
Abstract
Nowadays, more and more attention has been focused on the risk of the neurotoxic action of cadmium (Cd) under environmental exposure. Due to the growing incidence of nervous system diseases, including neurodegenerative changes, and suggested involvement of Cd in their aetiopathogenesis, this review aimed to discuss critically this element neurotoxicity. Attempts have been made to recognize at which concentrations in the blood and urine Cd may increase the risk of damage to the nervous system and compare it to the risk of injury of other organs and systems. The performed overview of the available literature shows that Cd may have an unfavourable impact on the human's nervous system at the concentration >0.8 μg Cd/L in the urine and >0.6 μg Cd/L in the blood. Because such concentrations are currently noted in the general population of industrialized countries, it can be concluded that environmental exposure to this xenobiotic may create a risk of damage to the nervous system and be involved in the aetiopathogenesis of neurodegenerative diseases, such as Alzheimer's disease and Parkinson's disease, as well as worsening cognitive and behavioural functions. The potential mechanism of Cd neurotoxicity consists in inducing oxidative stress, disrupting the activity of enzymes essential to the proper functioning of the nervous system and destroying the homoeostasis of bioelements in the brain. Thus, further studies are necessary to recognize accurately both the risk of nervous system damage in the general population due to environmental exposure to Cd and the mechanism of this action.
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Affiliation(s)
- Agnieszka Ruczaj
- Department of ToxicologyMedical University of BialystokBialystokPoland
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Xing D, Cheng H, Ning Z, Liu Y, Lin S, Li Y, Wang X, Hill P, Chadwick D, Jones DL. Field aging declines the regulatory effects of biochar on cadmium uptake by pepper in the soil. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 321:115832. [PMID: 35973291 DOI: 10.1016/j.jenvman.2022.115832] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 07/17/2022] [Accepted: 07/19/2022] [Indexed: 06/15/2023]
Abstract
Biochar application is not only being widely promoted as an ideal strategy to mitigate global climate warming, but it also has the advantage of reducing heavy metal bioavailability and migration in the soil. However, studies on the effects of field aging on biochar to reduce heavy metals from the soil are still limited. The present study aimed to explore the effects and mechanisms of aged biochar added to the soil planted with pepper plants on cadmium (Cd) uptake. To achieve this, un-amended soil (control), soil amended with fresh biochar, and aged biochar (biochar recovered from a long-term field trial after 9 years) were used to investigate the effects of field aging on biochar adsorption efficiency. The results revealed that the amount of Cd in the plant planted in control soil, amended with fresh and aged biochar, accounted for 40 ± 6.10, 17.18 ± 1.19, and 18.68 ± 0.79, respectively. There was a significant difference (P < 0.05) in the amount of Cd that was uptaken by plants among all treatments. However, soil amended with fresh biochar significantly (P < 0.05) decreased the amount of Cd in plants compared with soil amended with aged biochar. This indicates that field aging declines the potential of biochar to lower heavy metal bioavailability and retention in the soil. This study demonstrates that long-term burial lessens the ability of biochar to interact with Cd and suggests that biochar amendment can lower Cd in the soil, depending on the freshness and aging of biochar.
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Affiliation(s)
- Dan Xing
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou, 550002, China; Guizhou Academy of Agricultural Science, Institute of Pepper Guiyang, Guiyang, 550000, China
| | - Hongguang Cheng
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou, 550002, China; School of Environment, Natural Resources & Geography, Bangor University, Bangor, Gwynedd, LL57 2UW, UK.
| | - Zengping Ning
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou, 550002, China
| | - Yizhang Liu
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, Guizhou, 550002, China
| | - Shan Lin
- School of Environment, Natural Resources & Geography, Bangor University, Bangor, Gwynedd, LL57 2UW, UK; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yongfu Li
- State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, 311300, China
| | - Xi Wang
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Paul Hill
- School of Environment, Natural Resources & Geography, Bangor University, Bangor, Gwynedd, LL57 2UW, UK
| | - Dave Chadwick
- School of Environment, Natural Resources & Geography, Bangor University, Bangor, Gwynedd, LL57 2UW, UK
| | - Davey L Jones
- School of Environment, Natural Resources & Geography, Bangor University, Bangor, Gwynedd, LL57 2UW, UK; SoilsWest, Centre for Sustainable Farming Systems, Food Futures Institute, Murdoch University, Murdoch, Western Australia, Australia
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5
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The Beneficial Impact of Zinc Supplementation on the Vascular Tissue of the Abdominal Aorta under Repeated Intoxication with Cadmium: A Study in an In Vivo Experimental Model. Nutrients 2022; 14:nu14194080. [PMID: 36235732 PMCID: PMC9570965 DOI: 10.3390/nu14194080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/24/2022] [Accepted: 09/26/2022] [Indexed: 11/10/2022] Open
Abstract
In an in vivo rat model of human exposure to cadmium (Cd; 5 and 50 mg/L, 6 months), whether the supplementation with zinc (Zn; 30 and 60 mg/L, increasing its daily intake by 79% and 151%, respectively) protects against the unfavourable impact of this xenobiotic on the vascular tissue of the abdominal aorta was investigated. The treatment with Cd led to oxidative stress and increased the concentrations of pro-inflammatory interleukin 1β (IL-1β), total cholesterol (TC), triglycerides (TG), and endothelial nitric oxide synthase (eNOS) and decreased the concentration of anti-inflammatory interleukin 10 (IL-10) in the vascular tissue. Cd decreased the expression of intercellular adhesion molecule-1 (ICAM-1), platelet endothelial cell adhesion molecule-1 (PECAM-1), and L-selectin on the endothelial cells. The administration of Zn prevented most of the Cd-induced alterations or at least weakened them (except for the expression of adhesive molecules). In conclusion, Zn supplementation may protect from the toxic impact of Cd on the blood vessels and thus exert a beneficial influence on the cardiovascular system. The increase in the intake of Zn by 79% may be sufficient to provide this protection and the effect is related to the antioxidative, anti-inflammatory, and antiatherogenic properties of this essential element.
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Xu FF, Song J, Li YQ, Lai YF, Lin J, Pan JL, Chi HQ, Wang Y, Li ZY, Zhang GQ, Cai ZF, Liang XX, Ma AD, Tan CT, Wu WL, Yang XF. Bioaccessibility and bioavailability adjusted dietary exposure of cadmium for local residents from a high-level environmental cadmium region. JOURNAL OF HAZARDOUS MATERIALS 2021; 420:126550. [PMID: 34252664 DOI: 10.1016/j.jhazmat.2021.126550] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 06/13/2021] [Accepted: 06/29/2021] [Indexed: 05/22/2023]
Abstract
The critical health risks caused by cadmium (Cd) via dietary exposure are commonly assessed by detecting Cd concentrations in foods. Differently, in this study, the bioaccessibility and bioavailability of Cd in major local harvests were introduced to assess the dietary exposure of local residents from a high-level environmental Cd region. The results indicated that certain Cd was released into the digestive juice after in vitro digestion with a bioaccessibility of 20-63% for rice and 3-32% for leafy vegetables, and the released portion was partially absorbed by Caco-2 cells with a bioavailability of 2-21% for rice and 0.2-13% for leafy vegetables. The results obtained from the toxicokinetic model revealed that the predicted urinary Cd values from the estimated daily intake (EDI) of Cd, which accounted for bioaccessibility and bioavailability, were consistent with the actual measured values, and the EDIs were considerably lower than the acceptable daily intake. This suggests that the bioaccessibility and bioavailability adjusted dietary Cd exposure should be more precise. The key issues addressed in our study implores that a potential health risk cannot be neglected in people with high consumption of rice from high-level zone.
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Affiliation(s)
- Fei-Fei Xu
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Jia Song
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Yue-Qi Li
- Department of Preventive Medicine, Faculty of Medical Science, Jinan University, Guangzhou 510632, PR China
| | - Yue-Fei Lai
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Jun Lin
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Jia-Liang Pan
- Hygiene Detection Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Hui-Qin Chi
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Yan Wang
- Department of Preventive Medicine, Faculty of Medical Science, Jinan University, Guangzhou 510632, PR China
| | - Zi-Yin Li
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Gao-Qiang Zhang
- Department of Preventive Medicine, Faculty of Medical Science, Jinan University, Guangzhou 510632, PR China
| | - Zhan-Fan Cai
- Guangdong Institute of Food Inspection (Guangdong Inspection Center of Wine and Spirits), Guangzhou 510435, PR China
| | - Xu-Xia Liang
- Guangdong Institute of Food Inspection (Guangdong Inspection Center of Wine and Spirits), Guangzhou 510435, PR China
| | - An-De Ma
- Hygiene Detection Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, PR China
| | - Chu-Ting Tan
- Department of Nutrition, The Fifth Affiliated Hospital, Southern Medical University, Guangzhou 510900, PR China
| | - Wei-Liang Wu
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China.
| | - Xing-Fen Yang
- Food Safety and Health Research Center, Guangdong Provincial Key Laboratory of Tropical Disease Research, Guangdong-Hongkong-Macao Joint Laboratory for Contaminants Exposure and Health, School of Public Health, Southern Medical University, Guangzhou 510515, PR China.
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Niture S, Lin M, Qi Q, Moore JT, Levine KE, Fernando RA, Kumar D. Role of Autophagy in Cadmium-Induced Hepatotoxicity and Liver Diseases. J Toxicol 2021; 2021:9564297. [PMID: 34422041 PMCID: PMC8371627 DOI: 10.1155/2021/9564297] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 07/12/2021] [Accepted: 08/03/2021] [Indexed: 12/12/2022] Open
Abstract
Cadmium (Cd) is a toxic pollutant that is associated with several severe human diseases. Cd can be easily absorbed in significant quantities from air contamination/industrial pollution, cigarette smoke, food, and water and primarily affects the liver, kidney, and lungs. Toxic effects of Cd include hepatotoxicity, nephrotoxicity, pulmonary toxicity, and the development of various human cancers. Cd is also involved in the development and progression of fatty liver diseases and hepatocellular carcinoma. Cd affects liver function via modulation of cell survival/proliferation, differentiation, and apoptosis. Moreover, Cd dysregulates hepatic autophagy, an endogenous catabolic process that detoxifies damaged cell organelles or dysfunctional cytosolic proteins through vacuole-mediated sequestration and lysosomal degradation. In this article, we review recent developments and findings regarding the role of Cd in the modulation of hepatotoxicity, autophagic function, and liver diseases at the molecular level.
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Affiliation(s)
- Suryakant Niture
- Julius L. Chambers Biomedical Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA
| | - Minghui Lin
- The Fourth People's Hospital of Ningxia Hui Autonomous Region, Yinchuan 750021, China
| | - Qi Qi
- Julius L. Chambers Biomedical Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA
| | - John T. Moore
- Julius L. Chambers Biomedical Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA
| | - Keith E. Levine
- RTI International, Research Triangle Park, Durham, NC 27709, USA
| | | | - Deepak Kumar
- Julius L. Chambers Biomedical Biotechnology Research Institute, North Carolina Central University, Durham, NC 27707, USA
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Nrf2 deficiency aggravates the kidney injury induced by subacute cadmium exposure in mice. Arch Toxicol 2021; 95:883-893. [PMID: 33398418 DOI: 10.1007/s00204-020-02964-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 11/26/2020] [Indexed: 12/14/2022]
Abstract
Cadmium (Cd) is a heavy metal pollutant that adversely effects the kidney. Oxidative stress and inflammation are likely major mechanisms of Cd-induced kidney injury. Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) is crucial in regulating antioxidant and inflammatory responses. To investigate the role of Nrf2 in the development of subacute Cd-induced renal injury, we utilized Nrf2 knockout (Nrf2-KO) and control mice (Nrf2-WT) which were given cadmium chloride (CdCl2, 1 or 2 mg/kg i.p.) once daily for 7 days. While subacute CdCl2 exposure induced kidney injury in a dose-dependent manner, after the higher Cd dosage exposure, Nrf2-KO mice showed elevated blood urea nitrogen (BUN) and urinary neutrophil gelatinase-associated lipocalin (NGAL) levels compared to control. In line with the findings, the renal tubule injury caused by 2 mg Cd/kg, but not lower dosage, in Nrf2-KO mice determined by Periodic acid-Schiff staining was more serious than that in control mice. Further mechanistic studies showed that Nrf2-KO mice had more apoptotic cells and severe oxidative stress and inflammation in the renal tubules in response to Cd exposures. Although there were no significant differences in Cd contents of tissues between Cd-exposed Nrf2-WT and Nrf2-KO mice, the mRNA expression of Nrf2 downstream genes, including heme oxygenase 1 and metallothionein 1, were significantly less induced by Cd exposures in the kidney of Nrf2-KO compared with Nrf2-WT mice. In conclusion, Nrf2-deficient mice are more sensitive to kidney injury induced by subacute Cd exposure due to a muted antioxidant response, as well as a likely diminished production of specific Cd detoxification metallothioneins.
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Zhang S, Sun L, Zhang J, Liu S, Han J, Liu Y. Adverse Impact of Heavy Metals on Bone Cells and Bone Metabolism Dependently and Independently through Anemia. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2000383. [PMID: 33042736 PMCID: PMC7539179 DOI: 10.1002/advs.202000383] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 06/21/2020] [Indexed: 05/05/2023]
Abstract
Mounting evidence is revealing that heavy metals can incur disordered bone homeostasis, leading to the development of degenerative bone diseases, including osteoporosis, osteoarthritis, degenerative disk disease, and osteomalacia. Meanwhile, heavy metal-induced anemia has been found to be intertwined with degenerative bone diseases. However, the relationship and interplay among these adverse outcomes remain elusive. Thus, it is of importance to shed light on the modes of action (MOAs) and adverse outcome pathways (AOPs) responsible for degenerative bone diseases and anemia under exposure to heavy metals. In the current Review, the epidemiological and experimental findings are recapitulated to interrogate the contributions of heavy metals to degenerative bone disease development which may be attributable dependently and independently to anemia. A few likely mechanisms are postulated for anemia-independent degenerative bone diseases, including dysregulated osteogenesis and osteoblastogenesis, imbalanced bone formation and resorption, and disturbed homeostasis of essential trace elements. By contrast, remodeled bone microarchitecture, inhibited erythropoietin production, and disordered iron homeostasis are speculated to account for anemia-associated degenerative bone disorders upon heavy metal exposure. Together, this Review aims to elaborate available literature to fill in the knowledge gaps in understanding the detrimental effects of heavy metals on bone cells and bone homeostasis through different perspectives.
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Affiliation(s)
- Shuping Zhang
- The First Affiliated Hospital of Shandong First Medical UniversityJinanShandong250014China
- Biomedical Sciences College & Shandong Medicinal Biotechnology CentreShandong First Medical University & Shandong Academy of Medical SciencesJinanShandong250062China
| | - Li Sun
- The First Affiliated Hospital of Shandong First Medical UniversityJinanShandong250014China
| | - Jie Zhang
- The First Affiliated Hospital of Shandong First Medical UniversityJinanShandong250014China
- Biomedical Sciences College & Shandong Medicinal Biotechnology CentreShandong First Medical University & Shandong Academy of Medical SciencesJinanShandong250062China
| | - Sijin Liu
- State Key Laboratory of Environmental Chemistry and EcotoxicologyResearch Center for Eco‐Environmental SciencesChinese Academy of SciencesBeijing100085China
| | - Jinxiang Han
- Biomedical Sciences College & Shandong Medicinal Biotechnology CentreShandong First Medical University & Shandong Academy of Medical SciencesJinanShandong250062China
| | - Yajun Liu
- Beijing Jishuitan HospitalPeking University Health Science CenterBeijing100035China
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Martins AC, Urbano MR, Almeida Lopes ACB, Carvalho MDFH, Buzzo ML, Docea AO, Mesas AE, Aschner M, Silva AMR, Silbergeld EK, Paoliello MMB. Blood cadmium levels and sources of exposure in an adult urban population in southern Brazil. ENVIRONMENTAL RESEARCH 2020; 187:109618. [PMID: 32447086 DOI: 10.1016/j.envres.2020.109618] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/24/2020] [Accepted: 04/29/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Cadmium (Cd) is a toxic metal that is widely present in the environment due to geologic and anthropogenic sources. Exposures to high Cd levels may cause nephrotoxicity, carcinogenicity, pulmonary and cardiovascular disease, among others. The goal of this study was to investigate in an adult urban population whether an association exists between sources and levels of Cd exposure and blood Cd concentrations. METHODS Using a census-based design, a total of 959 adults, aged 40 years or older, were randomly selected. Information on socio-demographics, dietary, and lifestyle background was obtained by household interviews. Blood Cd levels were measured by inductively coupled-plasma mass spectrometry. Geometric means (GM) (95% CI) and the 50th percentile were determined, stratified by sex, age, race, education, income class, smoking status, consumption of vegetables, red meat and milk, occupation and blood pressure. To assess the association between Cd exposure and the aforementioned variables, we estimated the geometric mean ratio (GMR) (95%CI) of blood Cd concentrations. RESULTS AND CONCLUSION The geometric mean (95%CI) of blood Cd levels in the total population was 0.25 (0.22, 0.27) ug/dL. In a univariate analysis, significantly higher blood Cd levels were found in men (p < 0.001), current and former smokers (p < 0.001), alcohol drinkers (p < 0.001), those who never or almost never consumed milk (p < 0.001), and in subjects with higher diastolic blood pressure (p = 0.03). Significant correlations were found between the number of cigarettes consumed daily and blood Cd levels. Multivariate analysis confirmed higher blood Cd concentrations were associated with alcohol consumption (GMR 95%CI = 1.28, 1.04-1.59) and in former and current smokers (GMR 95% IC = 1.33, 1.06-1.67 and 4.23, 3.24-5.52, respectively). Our results shed novel information on variables associated with blood Cd levels in an urban Brazilian population, and should encourage additional research to prevent environmental Cd exposure, both in Brazil and globally.
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Affiliation(s)
- Airton C Martins
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, 10461, Bronx, NY, USA
| | - Mariana R Urbano
- Department of Statistics, State University of Londrina, Rodovia Celso Garcia Cid, Km 380, S/no, Campus Universitário, 86057-970, Londrina, PR, Brazil
| | - Ana Carolina B Almeida Lopes
- Graduate Program in Public Health, Center of Health Sciences, State University of Londrina, 60 Robert Koch Avenue, 86038-350, Londrina, PR, Brazil
| | - Maria de Fatima H Carvalho
- Inorganic Contaminants Department, Adolfo Lutz Institute, Sao Paulo, Avenida Doutor Arnaldo, 355, 01246-000, São Paulo, SP, Brazil
| | - Marcia L Buzzo
- Inorganic Contaminants Department, Adolfo Lutz Institute, Sao Paulo, Avenida Doutor Arnaldo, 355, 01246-000, São Paulo, SP, Brazil
| | - Anca O Docea
- Department of Toxicology, University of Medicine and Pharmacy of Craiova, 200349, Craiova, Romania
| | - Arthur E Mesas
- Universidad de Castilla-La Mancha, Facultad de Enfermería, Edificio Melchor Cano, Campus Universitario de Cuenca, Camino de Pozuelo, S/n 16071, Cuenca, Spain
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, 10461, Bronx, NY, USA; I. M. Sechenov First Moscow Medical University (Sechenov University), Bolshaya Pirogovskaya St., 19-1, 119146, Moscow, Russia
| | - Ana Maria R Silva
- Graduate Program in Public Health, Center of Health Sciences, State University of Londrina, 60 Robert Koch Avenue, 86038-350, Londrina, PR, Brazil
| | - Ellen K Silbergeld
- Emerita Professor, Johns Hopkins University, Bloomberg School of Public Health, 615 N Wolfe St, 21205, Baltimore, MD, USA
| | - Monica M B Paoliello
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, 10461, Bronx, NY, USA; Graduate Program in Public Health, Center of Health Sciences, State University of Londrina, 60 Robert Koch Avenue, 86038-350, Londrina, PR, Brazil.
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Cabar HD, Ersoy Karaçuha M, Yilmaz M. The Interaction Between Concentration of Heavy Metal-Trace Elements and Non-Smoking Status of Adolescents in Sinop (Turkey). Biol Trace Elem Res 2020; 194:105-114. [PMID: 31197653 DOI: 10.1007/s12011-019-01769-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 05/30/2019] [Indexed: 10/26/2022]
Abstract
This study was experimentally conducted between 2017 and 2018 in order to determine the interactions of heavy metals and non-smoking status of adolescents in Sinop Province (Turkey). In this regard, the students of Sarı Saltuk Anatolian High School students in Sinop Province were examined. The research data was obtained using a questionnaire, including questions about sociodemographic characteristics and smoking status of the adolescences. Afterwards, 0.5 g of hair samples from 40 female students who accepted to participate to the research was collected and analyzed by inductively coupled plasma mass spectrometry (ICP-MSMS), and the obtained data were evaluated using SPSS (version 22.0) statistical program. At the end of the study, the Mg, Cr, Co, and Zn elements of the non-smoking girls were found to be slightly higher than the normal range of hair, and the high concentration of Cd element was related to the contamination by passive smoking. Besides, it was determined that the elements which showed the highest positive correlation in hair samples taken from the children of smokers were Ca/Cd, Al/Fe, Mg/Cr, Na/Fe, Al/Cd, and Al/Na, respectively. As the nursing approach, it is thought that trainings aiming to prevent smoking and quitting smoking are extremely important.
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Affiliation(s)
- Huriye Demet Cabar
- School of Health, Department of Nursing, Sinop University, 57000, Sinop, Turkey
| | - Melek Ersoy Karaçuha
- School of Health, Department of Occupational Health and Safety, Sinop University, 57000, Sinop, Turkey
| | - Muhitdin Yilmaz
- Vocational High School of Health Services, Department of Environmental Health, Sinop University, 57000, Sinop, Turkey.
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