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Smereczański NM, Brzóska MM. Current Levels of Environmental Exposure to Cadmium in Industrialized Countries as a Risk Factor for Kidney Damage in the General Population: A Comprehensive Review of Available Data. Int J Mol Sci 2023; 24:ijms24098413. [PMID: 37176121 PMCID: PMC10179615 DOI: 10.3390/ijms24098413] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/01/2023] [Accepted: 05/03/2023] [Indexed: 05/15/2023] Open
Abstract
The growing number of reports indicating unfavorable outcomes for human health upon environmental exposure to cadmium (Cd) have focused attention on the threat to the general population posed by this heavy metal. The kidney is a target organ during chronic Cd intoxication. The aim of this article was to critically review the available literature on the impact of the current levels of environmental exposure to this xenobiotic in industrialized countries on the kidney, and to evaluate the associated risk of organ damage, including chronic kidney disease (CKD). Based on a comprehensive review of the available data, we recognized that the observed adverse effect levels (NOAELs) of Cd concentration in the blood and urine for clinically relevant kidney damage (glomerular dysfunction) are 0.18 μg/L and 0.27 μg/g creatinine, respectively, whereas the lowest observed adverse effect levels (LOAELs) are >0.18 μg/L and >0.27 μg/g creatinine, respectively, which are within the lower range of concentrations noted in inhabitants of industrialized countries. In conclusion, the current levels of environmental exposure to Cd may increase the risk of clinically relevant kidney damage, resulting in, or at least contributing to, the development of CKD.
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Affiliation(s)
- Nazar M Smereczański
- Department of Toxicology, Medical University of Bialystok, Adama Mickiewicza 2C Street, 15-222 Bialystok, Poland
| | - Małgorzata M Brzóska
- Department of Toxicology, Medical University of Bialystok, Adama Mickiewicza 2C Street, 15-222 Bialystok, Poland
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2
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Quan J, Li Y, Shen M, Lu Y, Yuan H, Yi B, Chen X, Huang Z. Coexposure to multiple metals and renal tubular damage: a population-based cross-sectional study in China's rural regions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:52421-52432. [PMID: 36829093 DOI: 10.1007/s11356-023-25909-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 02/09/2023] [Indexed: 06/18/2023]
Abstract
Previous studies have indicated that exposure to a single toxic metal can cause renal tubular damage, while evidence about the effects of multimetal exposure on renal tubular damage is relatively limited. We aimed to evaluate the relationships of multimetal coexposure with renal tubular damage in adults in heavy metal-polluted rural regions of China. A cross-sectional study of 1918 adults in China's heavy metal-contaminated rural regions was conducted. Inductively coupled plasma-mass spectrometry (ICP-MS) was used to measure the plasma levels of 18 metals in participants, and immune turbidimetry was used to measure sensitive biological indicators, reflecting renal tubular damage (including retinol-binding protein and β2-microglobulin). Least absolute shrinkage and selection operator (LASSO) penalized regression analysis, logistic and linear regression analysis, restricted cubic spline (RCS) regression analysis and the Bayesian kernel machine regression (BKMR) method were used to explore associations of multimetal coexposure with renal tubular damage risk or renal tubular damage indicators. Plasma selenium, cadmium, arsenic, and iron were identified as the main plasma metals associated with renal tubular damage risk after dimensionality reduction. Multimetal regression models showed that selenium was positively associated, and iron was negatively associated with renal tubular damage risk or its biological indicators. Multimetal RCS analyses additionally revealed a non-linear relationship of selenium with renal tubular damage risk. The BKMR models showed that the metal mixtures were positively associated with biological indicators of renal tubular damage when the metal mixtures were above the 50th percentile of concentration. Our findings indicated that natural exposure to high levels of multimetal mixtures increases the risk of renal tubular damage. Under the conditions of multimetal exposure, selenium was positively associated, and iron was negatively associated with renal tubular damage risk or its biological indicators.
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Affiliation(s)
- JingJing Quan
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Yan Li
- Center for Clinical Pharmacology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Minxue Shen
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, 410008, China
- Department of Social Medicine and Health Management, Xiangya School of Public Health, Central South University, Changsha, 410078, China
| | - Yao Lu
- Center for Clinical Pharmacology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
- Department of Life Science and Medicine, King's College London, London, UK
| | - Hong Yuan
- Center for Clinical Pharmacology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Bin Yi
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Xiang Chen
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Zhijun Huang
- Department of Nephrology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China.
- Center for Clinical Pharmacology, The Third Xiangya Hospital, Central South University, Changsha, 410013, China.
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Xu P, Lai S, Wu L, Chen W, Chen Y, Xu D, Xiang J, Cheng P, Chen Z, Wang X, Lou X, Tang J. Insights into the health status of the general population living near an electroplating industry zone: metal elevations and renal impairment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:31905-31915. [PMID: 36459323 DOI: 10.1007/s11356-022-24411-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 11/22/2022] [Indexed: 06/17/2023]
Abstract
A cross-sectional study was conducted in 2016 in Zhejiang Province, China, to evaluate the body burdens of metals and metalloids associated with renal dysfunction in populations living near electroplating industries. We recruited 236 subjects and performed physical examinations, determined the blood and urinary levels of arsenic (As), cadmium (Cd), chromium (Cr), manganese (Mn), nickel (Ni), lead (Pb), antimony (Sb), and selenium (Se) by an inductively coupled plasma mass spectrometer (ICP-MS), and measured three renal impairment biomarkers, namely nacetyl-β-D-glucosaminidase (NAG), retinol-binding protein (RBP), and β2-microglobulin (BMG). The proportion of abnormal nasal symptoms in the exposure group (10.1%) was much higher than in the control group (0; p < 0.05). The blood and urinary levels of As, Cd, and Se in the exposure group were significantly higher than those in the control group (p < 0.05). The blood levels of Mn and Pb, as well as the urinary levels of Cr and Ni, were significantly higher in the exposure group than in the control group (p < 0.05). The exposure group demonstrated higher levels of NAG, RBP, and BMG than the control group (0.51 vs. 0.14 mg/g creatinine, 12.79 vs. 9.26 IU/g creatinine, and 1.39 vs. 0.78 mg/g creatinine, respectively; p < 0.05). Urinary BMG was positively correlated with urinary Cd levels (r = 0.223, p < 0.05), while urinary RBP was correlated with blood Cd levels (r = 0.151, p < 0.05) and urinary Cd, Cr, Ni, and Se levels (r = 0.220, 0.303, 0.162, and 0.306, respectively; p < 0.05). In conclusion, our study indicated that a population living in the vicinity of electroplating industries had high body burdens of certain metals and metalloids associated with non-negligible renal dysfunction.
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Affiliation(s)
- Peiwei Xu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Shiming Lai
- Quzhou Center for Disease Control and Prevention, 154 Xi'an Road, Xin'an District, Quzhou, 324003, China
| | - Lizhi Wu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Weizhong Chen
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Yuan Chen
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Dandan Xu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Jie Xiang
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Ping Cheng
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Zhijian Chen
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Xiaofeng Wang
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Xiaoming Lou
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Jun Tang
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China.
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Tian X, Shan X, Ma L, Zhang C, Wang M, Zheng J, Lei R, He L, Yan J, Li X, Bai Y, Hu K, Li S, Niu J, Luo B. Mixed heavy metals exposure affects the renal function mediated by 8-OHG: A cross-sectional study in rural residents of China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 317:120727. [PMID: 36427825 DOI: 10.1016/j.envpol.2022.120727] [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] [Received: 07/01/2022] [Revised: 11/07/2022] [Accepted: 11/21/2022] [Indexed: 06/16/2023]
Abstract
Heavy metals are important risk factors for kidney, but their co-exposure effect on kidney and related mechanism remain unclear. This study evaluated the relationship between heavy metals and renal function, and the feasible mediation effect of oxidative stress. Based on the Dongdagou-Xinglong cohort, participants were recruited and their information were collected through questionnaires and physical examinations. The urine concentration of heavy metals like Cobalt, Nickel, Molybdenum, Cadmium, Antimony, Copper, Zinc, Mercury, Lead, Manganese, and renal injury biomarkers like β2-microglobulin, β-N-Acetylglucosaminidase, retinol-binding protein, 8-hydroxyguanine (8-OHG) were measured and corrected by creatinine. Linear regression was conducted to analyze the relationship between metals and renal biomarkers. Bayesian kernel machine regression, weighted quantile sum and quantile-based g-computation were applied to analyze the association between metal mixtures and renal biomarkers. Finally, the mediating effect of 8-OHG was analyzed through the mediation model. We found that these metals were positively related with renal biomarkers, where copper showed the strongest relationship. The co-exposure models showed that renal biomarkers increased with the concentration of mixtures, particularly for cadmium, copper, mercury, manganese. In addition, the proportion of 8-OHG in mediating effect of metals on renal function ranged from 2.6% to 86.9%. Accordingly, the renal function damage is positively associated with metals, and 8-OHG may play an important mediating role.
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Affiliation(s)
- Xiaoyu Tian
- Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Xiaobing Shan
- Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Li Ma
- Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Chenyang Zhang
- Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Mei Wang
- Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Jie Zheng
- Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Ruoyi Lei
- Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Li He
- Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Jun Yan
- The First School of Clinical Medical, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Xun Li
- The First School of Clinical Medical, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Yanjun Bai
- Silong Township Health Center in Baiyin City, Baiyin, Gansu, 730910, China
| | - Keqin Hu
- Mapo Township Health Center in Lanzhou City, Lanzhou, Gansu, 730115, China
| | - Sheng Li
- Public Health Department, The First People's Hospital of Lanzhou City, Lanzhou, Gansu, 730050, China
| | - Jingping Niu
- Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Bin Luo
- Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, Gansu, 730000, China.
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Pócsi I, Dockrell ME, Price RG. Nephrotoxic Biomarkers with Specific Indications for Metallic Pollutants: Implications for Environmental Health. Biomark Insights 2022; 17:11772719221111882. [PMID: 35859925 PMCID: PMC9290154 DOI: 10.1177/11772719221111882] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 06/02/2022] [Indexed: 11/17/2022] Open
Abstract
Environmental and occupational exposure to heavy metals and metalloids is a major global health risk. The kidney is often a site of early damage. Nephrotoxicity is both a major consequence of heavy metal exposure and potentially an early warning of greater damage. A paradigm shift occurred at the beginning of the 21st century in the field of renal medicine. The medical model of kidney failure and treatment began to give way to a social model of risk factors and prevention with important implications for environmental health. This development threw into focus the need for better biomarkers: markers of exposure to known nephrotoxins; markers of early damage for diagnosis and prevention; markers of disease development for intervention and choice of therapy. Constituents of electronic waste, e-waste or e-pollution, such as cadmium (Cd), lead (Pb), mercury (HG), arsenic (As) and silica (SiO2) are all potential nephrotoxins; they target the renal proximal tubules through distinct pathways. Different nephrotoxic biomarkers offer the possibility of identifying exposure to individual pollutants. In this review, a selection of prominent urinary markers of tubule damage is considered as potential tools for identifying environmental exposure to some key metallic pollutants.
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Affiliation(s)
- István Pócsi
- Department of Molecular Biotechnology and Microbiology, Faculty of Science and Technology, University of Debrecen, Debrecen, Hungary
| | - Mark E Dockrell
- SWT Institute of Renal Research, Carshalton, London, UK.,Department of Molecular and Clinical Sciences, St George's University, London, UK
| | - Robert G Price
- Department of Nutrition, Franklin-Wilkins Building, King's College, London, UK
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6
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Biomarkers of cadmium exposure and renal function in estuarine adult villagers. Int Arch Occup Environ Health 2021; 95:981-992. [PMID: 34773507 DOI: 10.1007/s00420-021-01815-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 10/28/2021] [Indexed: 01/20/2023]
Abstract
OBJECTIVE Assess cadmium (Cd) exposure of adults living in two estuarine communities in Aratu bay, Bahia, Brazil and its association with effects on renal function. METHODS This cross-sectional study included 88 volunteers aged 17-55 years, living in the following two communities: Santa Luzia (SL) located more intimately in the bay and Cotegipe (CT), a bit further and closer to a ferro-manganese alloy plant. Cd in blood (CdB) and urine (CdU), along with blood lead (PbB) levels were determined by graphite furnace atomic absorption spectrometry. Renal function was evaluated by the estimated glomerular filtration rate (eGFR) and tubular cell biomarkers: retinol binding protein (RBP), β2-microglobulin (β2M), and N-acetyl-β-D-glucosaminidase (NAG). RESULTS The median CdU levels in villagers of the two communities were 0.20 and 0.44 µg/g creat. and SL vs CT, respectively. Age range (> 35 years), cigarette smoking and lower family income were significantly associated with more elevated CdU levels. Multiple linear regression analysis demonstrated a significant association between LnCdU and LnRBP levels (β = 0.200, 95%CI 0.074-0.365) after adjusted for sex, urinary creatinine and blood lead levels. CONCLUSION These data show consistent evidences of association between Cd exposure and elevated tubular cell biomarker excretion in estuarine villagers living close to an industrial site.
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Xu P, Mo Z, Wu L, Chen W, He S, Chen Y, Xu D, Xiang J, Chen Z, Lou X, Wang Z, Wang X. Elevated cadmium and 8-hydroxy-2'-deoxyguanosine (8-OHdG) levels in residents living near electroplating industries. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:34427-34435. [PMID: 33651290 DOI: 10.1007/s11356-021-13209-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 02/24/2021] [Indexed: 06/12/2023]
Abstract
This study aims to evaluate the body burdens of cadmium (Cd) associated with potential health impairment in residents living near electroplating industries. A total of 269 residents from exposure area and 106 from control area were recruited. We measured the blood and urinary Cd levels using an inductively coupled plasma mass spectrometer (ICP-MS); performed physical examinations; determined the urinary levels of β2-microglobulin (β2-MG), Nacetyl-β-D-glucosaminidase (NAG), and 8-hydroxy-2'-deoxyguanosine (8-OHdG); and evaluated the associations between Cd and these biomarkers. Blood and urinary Cd levels in exposure group were statistically higher than in control group (1.712 vs. 1.159 μg/L; 1.980 vs. 1.740 μg/L, respectively, p < 0.05). Urinary β2-MG and 8-OHdG levels in exposure group were also statistically higher (0.448 vs. 0.090 mg/L; 12.759 vs. 12.115 μg/L, respectively, p < 0.05), but urinary NAG levels showed no significant difference between the two groups (13.614 vs. 8.246 IU/L, p > 0.05). The proportion of abnormal nasal symptoms occurring in exposed subjects (88.8%) was much higher than in control subjects (78.2%, p < 0.05). Urinary Cd levels were positively correlated with blood Cd levels, urinary 8-OHdG, and NAG levels (r = 0.307, r = 0.185, r = 0.150, p < 0.05), but not correlated with urinary β2-MG levels (p > 0.05). In conclusion, our study revealed that residents living in close proximity to electroplating industries had elevated body burdens of Cd levels, as well as slight renal dysfunction and DNA oxidation damage.
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Affiliation(s)
- Peiwei Xu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Zhe Mo
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Lizhi Wu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Weizhong Chen
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Shengliang He
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Yuan Chen
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Dandan Xu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Jie Xiang
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Zhijian Chen
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Xiaoming Lou
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Zhen Wang
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China.
| | - Xiaofeng Wang
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China.
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Pan W, Ye X, Zhu Z, Li C, Zhou J, Liu J. Urinary cadmium concentrations and risk of primary ovarian insufficiency in women: a case-control study. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:2025-2035. [PMID: 33222148 DOI: 10.1007/s10653-020-00775-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 11/04/2020] [Indexed: 05/22/2023]
Abstract
Cadmium, a toxic heavy metal that occurs in the environment in large quantities through human activities, has been shown to have adverse effects on female reproductive health. However, the association between cadmium exposure and primary ovarian insufficiency (POI), one of the most prevalent ovarian diseases in women, has not been examined yet. This case-control study involving 169 POI cases and 209 healthy controls was conducted in Zhejiang Province, China. The urinary concentrations of cadmium were determined by inductively coupled plasma mass spectrometry (ICP-MS). In addition, serum levels of reproductive hormones, including follicle-stimulating hormone (FSH), luteinizing hormone (LH), anti-Mullerian hormone (AMH) and estradiol, were measured. The median concentration of urinary cadmium in POI cases (0.43 μg/L, 0.58 μg/g for creatinine adjustment) was significantly higher than that of controls (0.29 μg/L, 0.43 μg/g for creatinine adjustment). The results of binary logistic regression models showed that the concentrations of urinary cadmium were positively significantly correlated with the odds ratio (ORs) of POI before the adjustment of confounders. After the adjustment, a significantly positive association was still present between the increased concentrations of cadmium and the ORs of POI (2.50, 95% CIs: 1.34-4.65 for the third tertile, p for trend = 0.001). The serum levels of FSH and LH were positively associated with urinary cadmium, while AMH and estradiol levels were inversely correlated. To the best of our knowledge, this is the first reported positive association of cadmium exposure with the risk of POI in women.
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Affiliation(s)
- Wuye Pan
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Xiaoqing Ye
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
- College of Medical Technology, Zhejiang Chinese Medical University, Hangzhou, 310053, China
| | - Zheying Zhu
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Chunming Li
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Jianhong Zhou
- Women's Reproductive Health Key Laboratory of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Jing Liu
- MOE Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.
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Flores-Ramírez R, Ortega-Romero M, Christophe-Barbier O, Meléndez-Marmolejo JG, Rodriguez-Aguilar M, Lee-Rangel HA, Díaz de León-Martínez L. Exposure to polycyclic aromatic hydrocarbon mixtures and early kidney damage in Mexican indigenous population. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:23060-23072. [PMID: 33432415 DOI: 10.1007/s11356-021-12388-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 01/04/2021] [Indexed: 06/12/2023]
Abstract
The traditions and habits of indigenous communities in México include the use of wood and biomass burning to cook their food, which generates large amounts of smoke and therefore pollution inside the households. This smoke is composed of a complex mixture of polycyclic aromatic hydrocarbons (PAHs) which at high levels of exposure cause carcinogenic, genotoxic effects and some chronic pulmonary and cardiovascular diseases; however, few studies relate kidney health with exposure to PAHs. Thus, the aim of this study was the evaluation of 10 hydroxylated metabolites of PAHs (OH-PAHs), and their correlation with biomarkers of early kidney damage renal (cystatin-C (Cys-C)), osteopontin (OPN), retinol-binding protein-4 (RPB-4), and neutrophil gelatinase-associated lipocalin (NGAL) in the indigenous population of the Huasteca Potosina in Mexico. The results demonstrate the presence of the OH-PAHs and kidney damage biomarkers in 100% of the study population. The OH-PAHs were shown in the following order of frequency, 1-OH-PYR > 4-OH-PHE > 2-OH-NAP > 1-OH-NAP > 9-OH-FLU > 3-OH-FLU > 2-OH-FLU > 3-OH-PHE and with the following percentages of detection 97.6, 87.8, 78, 73.2, 68.3, 31.7, 14.6, and 12.2%, respectively. NGAL and RBP-4 were present in above 85% of the population, with mean concentrations of 78.5 ± 143.9 and 139.4 ± 131.7 ng/g creatinine, respectively, OPN (64%) with a mean concentration of 642.6 ± 723.3 ng/g g creatinine, and Cys-C with a mean concentration of 33.72 ± 44.96 ng/g creatinine. Correlations were found between 1-OH-NAP, 2-OH-NAP, 9-OH-FLU, and 4-OH-PHE and the four biomarkers of early kidney damage. 3-OH-FLU with OPN and 1-OH-PYR correlated significantly with NGAL, OPN, and RPB-4.
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Affiliation(s)
- Rogelio Flores-Ramírez
- CONACYT Research Fellow, Coordinación para la Innovación y Aplicación de la Ciencia y la Tecnología (CIACYT), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, CP 78210, San Luis Potosí, SLP, Mexico
| | - Manolo Ortega-Romero
- Toxicology Department, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), México, Ciudad de México, Mexico
| | - Olivier Christophe-Barbier
- Toxicology Department, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), México, Ciudad de México, Mexico
| | - Jessica Guadalupe Meléndez-Marmolejo
- Center for Applied Research on Environment and Health (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, CP 78210, San Luis Potosí, SLP, Mexico
| | | | - Héctor A Lee-Rangel
- Facultad de Agronomía y Veterinaria, Centro de Biociencias, Universidad Autonoma de San Luis Potosí, km. 14.5 Carr. San Luis Potosí-Matehuala, 78321, San Luis Potosí, SLP, Mexico
| | - Lorena Díaz de León-Martínez
- Center for Applied Research on Environment and Health (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, CP 78210, San Luis Potosí, SLP, Mexico.
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Hoffman JF, Vergara VB, Fan AX, Kalinich JF. Effect of embedded metal fragments on urinary metal levels and kidney biomarkers in the Sprague-Dawley rat. Toxicol Rep 2021; 8:463-480. [PMID: 33717999 PMCID: PMC7933717 DOI: 10.1016/j.toxrep.2021.02.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 02/20/2021] [Accepted: 02/23/2021] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND Wounds with embedded metal fragments are an unfortunate consequence of armed conflicts. In many cases the exact identity of the metal(s) and their long-term health effects, especially on the kidney, are not known. AIM OF STUDY The aim of this study was to quantitate the urinary levels of metals solubilized from surgically implanted metal pellets and to assess the effect of these metals on the kidney using a battery of biomarker assays. MATERIALS AND METHODS Using a rodent model system developed in our Institute to simulate embedded fragment injuries, eight metals considered likely components of an embedded fragment wound were individually implanted into the gastrocnemius muscle of male Sprague-Dawley rats. The rats were followed for 12 months post-implantation with urine collected prior to surgery then at 1-, 3-, 6-, 9-, and 12-months post-implantation to provide a within-subjects cohort for examination. Urinary metal levels were determined using inductively coupled plasma-mass spectrometry and urinary biomarkers assessed using commercially available kits to determine metal-induced kidney effects. RESULTS With few exceptions, most of the implanted metals rapidly solubilized and were found in the urine at significantly higher levels than in control animals as early as 1-month post-implantation. Surprisingly, many of the biomarkers measured were decreased compared to control at 1-month post-implantation before returning to normal at the later time points. However, two metals, iron and depleted uranium, showed increased levels of several markers at later time points, yet these levels also returned to normal as time progressed. CONCLUSION This study showed that metal pellets surgically implanted into the leg muscle of Sprague-Dawley rats rapidly solubilized with significant levels of the implanted metal found in the urine. Although kidney biomarker results were inconsistent, the changes observed along with the relatively low amounts of metal implanted, suggest that metal-induced renal effects need to be considered when caring for individuals with embedded metal fragment wounds.
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Key Words
- AAALAC-I, Association for Assessment and Accreditation of Laboratory Animal Care International
- AFRRI, Armed Forces Radiobiology Research Institute
- ALB, Albumin
- ALP, Alkaline phosphatase
- Al, Aluminum
- B2m, Beta-2-microglobulin
- Biomarker
- Co, Cobalt
- Cu, Copper
- DU, Depleted uranium
- DoD, Department of Defense
- Embedded metals
- Fe, Iron
- IACUC, Institutional Animal Care and Use Committee
- ICP-MS, Inductively coupled plasma-mass spectroscopy
- IL-18, Interleukin-18
- KIM-1, Kidney injury molecule-1
- Kidney
- LoD, Limit of detection
- LoQ, Limit of quantitation
- NAG, N-acetyl-beta-d-glucosaminidase
- NGAL, Neutrophil gelatinase-associated lipocalin
- Ni, Nickel
- OPN, Osteopontin
- Pb, Lead
- RBP, Retinal binding protein
- Rat
- Ta, Tantalum
- Urine
- W, Tungsten
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Affiliation(s)
- Jessica F. Hoffman
- Internal Contamination and Metal Toxicity Program, Armed Forces Radiobiology Research Institute, Uniformed Services University, Bethesda, MD, USA
| | - Vernieda B. Vergara
- Internal Contamination and Metal Toxicity Program, Armed Forces Radiobiology Research Institute, Uniformed Services University, Bethesda, MD, USA
| | - Anya X. Fan
- Internal Contamination and Metal Toxicity Program, Armed Forces Radiobiology Research Institute, Uniformed Services University, Bethesda, MD, USA
| | - John F. Kalinich
- Internal Contamination and Metal Toxicity Program, Armed Forces Radiobiology Research Institute, Uniformed Services University, Bethesda, MD, USA
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Zhang C, Lin T, Nie G, Hu R, Pi S, Wei Z, Wang C, Xing C, Hu G. Cadmium and molybdenum co-induce pyroptosis via ROS/PTEN/PI3K/AKT axis in duck renal tubular epithelial cells. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 272:116403. [PMID: 33433347 DOI: 10.1016/j.envpol.2020.116403] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 12/16/2020] [Accepted: 12/27/2020] [Indexed: 06/12/2023]
Abstract
Cadmium (Cd) and excess molybdenum (Mo) are harmful to animals, but the combined nephrotoxic mechanism of Cd and Mo in duck remains poorly elucidated. To assess joint effects of Cd and Mo on pyroptosis via ROS/PTEN/PI3K/AKT axis in duck renal tubular epithelial cells, cells were cultured with 3CdSO4·8H2O (4.0 μM), (NH4)6Mo7O24·4H2O (500.0 μM), MCC950 (10.0 μM), BHA (100.0 μM) and combination of Cd and Mo or Cd, Mo and MCC950 or Cd, Mo and BHA for 12 h, and the joint cytotoxicity was explored. The results manifested that toxicity of non-equitoxic binary mixtures of Mo and Cd exhibited synergic interaction. Mo or/and Cd elevated ROS level, PTEN mRNA and protein levels, and decreased PI3K, AKT and p-AKT expression levels. Simultaneously, Mo or/and Cd upregulated ASC, NLRP3, NEK7, Caspase-1, GSDMA, GSDME, IL-18 and IL-1β mRNA levels and Caspase-1 p20, NLRP3, ASC, GSDMD protein levels, increased the percentage of pyroptotic cells, LDH, NO, IL-18 and IL-1β releases as well as relative conductivity. Moreover, NLRP3 inhibitor MCC950 and ROS scavenger BHA could ameliorate the above changed factors induced by Mo and Cd co-exposure. Collectively, our results reveal that combination of Mo and Cd synergistically cause oxidative stress and trigger pyroptosis via ROS/PTEN/PI3K/AKT axis in duck tubular epithelial cells.
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Affiliation(s)
- Caiying Zhang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - Tianjin Lin
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - Gaohui Nie
- School of Information Technology,Jiangxi University of Finance and Economics, No. 665 Yuping West Street, Economic and Technological Development District, Nanchang, 330032, Jiangxi, PR China
| | - Ruiming Hu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - Shaoxing Pi
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - Zejing Wei
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - Chang Wang
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - Chenghong Xing
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China
| | - Guoliang Hu
- Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Economic and Technological Development District, Nanchang, 330045, Jiangxi, PR China.
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12
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Díaz de León-Martínez L, Ortega-Romero M, Grimaldo-Galeana JM, Barbier O, Vargas-Berrones K, García-Arreola ME, Rodriguez-Aguilar M, Flores-Ramírez R. Assessment of kidney health and exposure to mixture pollutants in the Mexican indigenous population. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:34557-34566. [PMID: 32557022 DOI: 10.1007/s11356-020-09619-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 06/04/2020] [Indexed: 05/18/2023]
Abstract
The indigenous population is one of the most vulnerable to suffer from contaminated environments. One of the target organs to suffer early deterioration from exposure to toxins is the kidney. The objective of this article was to evaluate biomarkers of exposure to organic and inorganic toxins and biomarkers of early kidney damage in urine from an indigenous Tenek population in Mexico. The biomarkers of exposure were Li, Be, Al, V, Cr, Mn, Fe, Ni, Cu, Zn, As, Se, Mo, Sn, Ba, and Pb evaluated by ICP-MS and hippuric acid for toluene exposure evaluated by UV-coupled with liquid chromatography; the biomarkers of kidney damage were cystatin C (Cys-C), osteopontin (OPN), retinol-binding protein-4 (RPB-4), and neutrophil gelatinase-associated lipocalin (NGAL). Thirty-one urine samples were obtained from indigenous people; 16, 42, 45.1, and 45.2% of the population exceeded the reference values for Pb, Zn, As, and hippuric acid respectively. Our results demonstrate significant correlations between the metals tested and the proteins associated with renal damage; Cys-C, OPN, and RPB4 showed a significant correlation with Li, B, and Mo, as well as hippuric acid in the case of Cys-C and Zn in OPN and RPB-4; NGAL did not present significant correlations with any of the pollutants of the study. This pilot study contributes to the evidence of great inequity in health associated to environmental pollution matters faced by indigenous people and addresses the need of initiatives for mitigation under the perspective that health is a fundamental human right.
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Affiliation(s)
- Lorena Díaz de León-Martínez
- Centro de Investigación Aplicada en Ambiente y Salud (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México
| | - Manolo Ortega-Romero
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), México, Ciudad de México, México
| | - José Moisés Grimaldo-Galeana
- Centro de Investigación Aplicada en Ambiente y Salud (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México
| | - Olivier Barbier
- Departamento de Toxicología, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN), México, Ciudad de México, México
| | - Karla Vargas-Berrones
- Centro de Investigación Aplicada en Ambiente y Salud (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México
| | - María Elena García-Arreola
- Centro de Investigación Aplicada en Ambiente y Salud (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México
| | - Maribel Rodriguez-Aguilar
- Centro de Investigación Aplicada en Ambiente y Salud (CIAAS), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México
| | - Rogelio Flores-Ramírez
- CONACYT Research Fellow, Coordinación para la Innovación y Aplicación de la Ciencia y la Tecnología (CIACYT), Avenida Sierra Leona No. 550, Colonia Lomas Segunda Sección, 78210, San Luis Potosí, SLP, México.
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13
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Arbuscular Mycorrhizal Fungi as Potential Agents in Ameliorating Heavy Metal Stress in Plants. AGRONOMY-BASEL 2020. [DOI: 10.3390/agronomy10060815] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Heavy metal accumulation in plants is a severe environmental problem, rising at an expeditious rate. Heavy metals such as cadmium, arsenic, mercury and lead are known environmental pollutants that exert noxious effects on the morpho-physiological and biological attributes of a plant. Due to their mobile nature, they have become an extended part of the food chain and affect human health. Arbuscular mycorrhizal fungi ameliorate metal toxicity as they intensify the plant’s ability to tolerate metal stress. Mycorrhizal fungi have vesicles, which are analogous to fungal vacuoles and accumulate massive amount of heavy metals in them. With the help of a pervasive hyphal network, arbuscular mycorrhizal fungi help in the uptake of water and nutrients, thereby abating the use of chemical fertilizers on the plants. They also promote resistance parameters in the plants, secrete a glycoprotein named glomalin that reduces the metal uptake in plants by forming glycoprotein–metal complexes, and improve the quality of the soil. They also assist plants in phytoremediation by increasing the absorptive area, increase the antioxidant response, chelate heavy metals and stimulate genes for protein synthesis that reduce the damage caused by free radicals. The current manuscript focuses on the uptake of heavy metals, accumulation, and arbuscular mycorrhizal impact in ameliorating heavy metal stress in plants.
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14
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Xu P, Wu L, Chen Y, Xu D, Wang X, Fu Q, Chen Z, Lou X, Lou J. A cross-sectional study on school-age children living near a municipal waste incinerator: Urinary metal levels and renal impairment assessment. CHEMOSPHERE 2020; 241:125081. [PMID: 31622890 DOI: 10.1016/j.chemosphere.2019.125081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 10/03/2019] [Accepted: 10/07/2019] [Indexed: 06/10/2023]
Abstract
To take an insight into the long-term accumulation of chromium (Cr) and cadmium (Cd) in school-age children living near an MWI and to assess their early renal impairment, we conducted a cross-sectional study in 2015. A total of 116 children from the exposure area and 122 from the control area were recruited. We measured the urinary levels of Cr (U-Cr) and Cd (U-Cd) by inductively coupled plasma mass spectrometry (ICP-MS), and detected three classic renal tubule indicators, including N-acetyl-β-d-glucosaminidase (NAG), β2-microglobulin (BMG), and retinol binding protein (RBP). The U-Cd and U-Cr levels in children living near the MWI were 0.11 and 1.57 μg/g creatinine, respectively. Both the U-Cd and U-Cr levels in the exposure group were lower than those in the control group, although only U-Cd showed a statistical difference (p < 0.01). The U-NAG and U-RBP levels in the exposure group were also statistically lower than those in the control group (0.80 vs. 1.74 IU/g creatinine, 0.26 vs. 0.48 mg/g creatinine, respectively). The U-Cd level in this study was positively correlated with the U-NAG level (r = 0.26, p < 0.01), as the U-Cr level was also positively correlated with the levels of U-NAG, U-RBP, and U-BMG (r = 0.21, 0.33, 0.18, p < 0.01, respectively). This study indicates that children living close to this particular MWI may not suffer considerable long-term accumulation of Cd or Cr, nor early renal impairment.
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Affiliation(s)
- Peiwei Xu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China.
| | - Lizhi Wu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Yuan Chen
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Dandan Xu
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Xiaofeng Wang
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China
| | - Qiuli Fu
- Eye Center of the 2nd Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang Provincial Key Lab of Ophthalmology, Jiefang Road #88, Hangzhou, 310009, China
| | - Zhijian Chen
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China.
| | - Xiaoming Lou
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Bin Sheng Road, Binjiang District, Hangzhou, 310051, China.
| | - Jianlin Lou
- Zhejiang Academy of Medical Sciences, 182 Tian Mu Shan Road, Binjiang District, Hangzhou, 310051, China.
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15
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Chen J, He W, Zhu X, Yang S, Yu T, Ma W. Epidemiological study of kidney health in an area with high levels of soil cadmium and selenium: Does selenium protect against cadmium-induced kidney injury? THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 698:134106. [PMID: 31505350 DOI: 10.1016/j.scitotenv.2019.134106] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 08/01/2019] [Accepted: 08/24/2019] [Indexed: 06/10/2023]
Abstract
Chronic exposure to cadmium (Cd) can cause renal dysfunction. Studies of animals, cell cultures, and plants have found that selenium (Se) can effectively alleviate the hazard generated by Cd, but there has been little study of this in general human populations. This study recruited 313 subjects from China's Hubei Province, including 160 living in areas with high soil Cd and Se (exposure group) and 153 living in clean areas (control group). The levels of the following were detected: Cd and Se in blood (B-Cd and B-Se), urine (U-Cd and U-Se), and hair (H-Cd and H-Se); N-acetyl-β-D-glucosaminidase (U-NAG), β2-microglobulin (U-β2-MG), and albumin (U-ALB) in urine; and malondialdehyde (S-MDA), superoxide dismutase (S-SOD), and glutathione peroxidase (S-GSH-Px) in serum. In addition, the interactions between Cd and Se were assessed. The median levels of B-Cd, B-Se, U-Cd, U-Se, H-Cd, H-Se, S-MDA, and S-GSH-Px of exposure group (2.60 ng/mL, 238.90 ng/mL, 3.13 μg/g Cr, 45.43 μg/g Cr, 0.06 μg/g, 0.70 μg/g, 5.22 nmol/mL, and 308.89 U, respectively) were significantly higher than of controls (0.95 ng/mL, 130.50 ng/mL, 1.08 μg/g Cr, 30.51 μg/g Cr, 0.04 μg/g, 0.49 μg/g, 4.71 nmol/mL, and 267.54 U, respectively), but there were no significant differences in U-NAG, U-β2-MG, U-ALB, or S-SOD between the two groups. U-NAG levels were significantly negatively associated with the interaction between Cd and Se (B: -0.511, 95% CI: -0.886, -0.136). Additionally, changes in the direction of the estimated regression coefficient in the low and high H-Se groups were observed for U-Cd and S-MDA (from 0.018 to -0.090), U-Cd and S-GSH-Px (from -0.039 to 0.101). This study found that populations living in areas with high levels of soil Cd and Se did not show greater Cd-induced renal tubular and glomerular injuries than the control population, which could attribute to the protective effects of Se. The protective effects may be related to the peculiar function of Se that Se can combine with free Cd to activate the antioxidant enzyme system.
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Affiliation(s)
- Juan Chen
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China
| | - Wei He
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China
| | - Xiaojun Zhu
- National Institute of Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing 100050, PR China
| | - Siwen Yang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China
| | - Tao Yu
- School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, PR China
| | - Wenjun Ma
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100191, PR China.
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Yan J, Huo J, Li R, Jia Z, Song Y, Chen J, Zhang L. Benchmark dose estimation of urinary and blood cadmium as biomarkers of renal dysfunction among 40‐75‐year‐old non‐smoking women in rural areas of southwest China. J Appl Toxicol 2019; 39:1433-1443. [PMID: 31313336 DOI: 10.1002/jat.3829] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 05/03/2019] [Accepted: 05/05/2019] [Indexed: 01/08/2023]
Affiliation(s)
- Jiuming Yan
- West China School of Public Health and West China Fourth Hospital, West China School of Public Health and Healthy Food Evaluation Research Center, Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan ProvinceSichuan University Chengdu Sichuan China
| | - Jiao Huo
- West China School of Public Health and West China Fourth Hospital, West China School of Public Health and Healthy Food Evaluation Research Center, Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan ProvinceSichuan University Chengdu Sichuan China
| | - Renjia Li
- West China School of Public Health and West China Fourth Hospital, West China School of Public Health and Healthy Food Evaluation Research Center, Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan ProvinceSichuan University Chengdu Sichuan China
| | - Zhenchao Jia
- West China School of Public Health and West China Fourth Hospital, West China School of Public Health and Healthy Food Evaluation Research Center, Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan ProvinceSichuan University Chengdu Sichuan China
| | - Yang Song
- West China School of Public Health and West China Fourth Hospital, West China School of Public Health and Healthy Food Evaluation Research Center, Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan ProvinceSichuan University Chengdu Sichuan China
| | - Jinyao Chen
- West China School of Public Health and West China Fourth Hospital, West China School of Public Health and Healthy Food Evaluation Research Center, Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan ProvinceSichuan University Chengdu Sichuan China
| | - Lishi Zhang
- West China School of Public Health and West China Fourth Hospital, West China School of Public Health and Healthy Food Evaluation Research Center, Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan ProvinceSichuan University Chengdu Sichuan China
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Xu HJ, Chen H, Wang XL, Zhang YL, Wang JJ, Li N, Li YT. Earthworms stimulate nitrogen transformation in an acidic soil under different Cd contamination. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 165:564-572. [PMID: 30236918 DOI: 10.1016/j.ecoenv.2018.09.042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 09/06/2018] [Accepted: 09/08/2018] [Indexed: 06/08/2023]
Abstract
In acidic Cd-contaminated soils, soil nitrogen conversion is inhibited and usually block nitrogen supply for plants. Earthworms are well known for improving soil properties and regulating various soil biogeochemical processes including nitrogen cycling. To figure out the effect and mechanisms of earthworms on soil nitrogen transformation in Cd-contaminated soil, ten treatments with and without A. robustus in five soil Cd concentration gradients were established. The tolerant concentration of A. robustus to Cd in the acidic soil is about 6 mg kg-1. The potential ammonia oxidation of the acidic soils was very low, ranging from 0.05 to 0.1 µg NO2--N g-1 d-1. Although AOA was more abundant in the acidic soil than AOB, AOA was inhibited by Cd pollution, while AOB showed some increase under Cd-stress. AOA may play a dominant role in ammonia oxidation in acidic soil, but the recovery of nitrification in Cd-contaminated acidic soil was probably due to the effect of AOB. Earthworms significantly increased soil pH, DOC, ammonium and PAO, thus promoted soil ammonification and potential nitrification, but had no significant effect on soil net nitrification. Correlation analysis results demonstrate that earthworms may promote soil PAO by increasing soil pH, NH4+-N content, and AOB abundance. This study could provide a theoretical basis for solving the problem of nitrogen-cycling-functional degradation and nitrogen supply in the process of phytoremediation of heavy metals-contaminated soils.
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Affiliation(s)
- Hui-Juan Xu
- Joint Institute for Environmental Research & Education, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
| | - Hao Chen
- Joint Institute for Environmental Research & Education, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Xue-Li Wang
- College of Agriculture, Guangxi University, Nanning, Guangxi 530004, China
| | - Yu-Long Zhang
- Joint Institute for Environmental Research & Education, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Jin-Jin Wang
- Joint Institute for Environmental Research & Education, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China
| | - Ning Li
- Guangxi Zhuang Autonomous Region Environmental Monitoring Centre, Nanning 530028, China
| | - Yong-Tao Li
- Joint Institute for Environmental Research & Education, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
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