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Oncina-Cánovas A, Vioque J, Riutort-Mayol G, Soler-Blasco R, Irizar A, Barroeta Z, Fernández-Somoano A, Tardón A, Vrijheid M, Guxens M, Carey M, Meharg C, Ralphs K, McCreanor C, Meharg A, Signes-Pastor AJ. Pro-vegetarian dietary patterns and essential and heavy metal exposure in children of 4-5-years from the INfancia y medio Ambiente cohort (INMA). Int J Hyg Environ Health 2024; 257:114344. [PMID: 38430670 DOI: 10.1016/j.ijheh.2024.114344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 02/22/2024] [Accepted: 02/24/2024] [Indexed: 03/05/2024]
Abstract
Dietary patterns provide a comprehensive assessment of food consumption, including essential nutrients and potential exposure to environmental contaminants. While pro-vegetarian (PVG) dietary patterns have shown health benefits in adults, their effects on children are less well studied. This study aims to explore the association between children's adherence to the most common PVG dietary patterns and their exposure to metals, assessed through urine concentration. In our study, we included a population of 723 children aged 4-5-years from the INfancia y Medio Ambiente (INMA) cohort in Spain. We calculated three predefined PVG dietary patterns, namely general (gPVG), healthful (hPVG), and unhealthful (uPVG), using dietary information collected through a validated Food Frequency Questionnaire. Urinary concentrations of various essential and heavy metals (Co, Cu, Zn, Se, Mo, Pb, and Cd) were measured using mass spectrometry. Additionally, urinary arsenic speciation, including arsenobetaine (AsB), dimethylarsinic acid (DMA), monomethylarsonic acid (MMA), and inorganic arsenic (iAs), was measured. The sum of urinary MMA and iAs was used to assess iAs exposure. We estimated primary (PMI) and secondary iAs methylation (SMI) indices. To explore the association between PVG dietary patterns in quintiles and metal exposure, we utilized multiple-adjusted linear regression models and the quantile g-computation approach. Compared with the lowest quintile, participants in the highest quintile of gPVG showed a 22.7% lower urinary Co (95% confidence interval (CI): -38.7; -1.98) and a 12.6% lower Se (95%CI: -22.9; -1.00) concentrations. Second quintile of adherence to hPVG was associated with a 51.7% lower urinary iAs + MMA concentrations (95%CI: -74.3; -8.61). Second quintile of adherence to an uPVG was associated with a 13.6% lower Se levels (95%CI: -22.9; -2.95) while the third quintile to this pattern was associated with 17.5% lower Mo concentrations (95%CI: -29.5; -2.95). The fourth quintile of adherence to gPVG was associated with a 68.5% higher PMI and a 53.7% lower SMI. Our study showed that adherence to a gPVG dietary pattern in childhood may modestly reduce the intakes of some essential metals such as Co and Se. Further investigations are warranted to explore any potential health implications.
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Affiliation(s)
- Alejandro Oncina-Cánovas
- Instituto de Investigación Sanitaria y Biomédica de Alicante, Universidad Miguel Hernández (ISABIAL-UMH), 03010, Alicante, Spain; Unidad de Epidemiología de la Nutrición, Departamento de Salud Pública, Historia de la Ciencia y Ginecología, Universidad Miguel Hernández (UMH), 03550, Alicante, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, 28034, Madrid, Spain.
| | - Jesús Vioque
- Instituto de Investigación Sanitaria y Biomédica de Alicante, Universidad Miguel Hernández (ISABIAL-UMH), 03010, Alicante, Spain; Unidad de Epidemiología de la Nutrición, Departamento de Salud Pública, Historia de la Ciencia y Ginecología, Universidad Miguel Hernández (UMH), 03550, Alicante, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, 28034, Madrid, Spain
| | - Gabriel Riutort-Mayol
- Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, FISABIO-Public Health, Valencia, Spain
| | - Raquel Soler-Blasco
- CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, 28034, Madrid, Spain; Foundation for the Promotion of Health and Biomedical Research in the Valencian Region, FISABIO-Public Health, Valencia, Spain; Department of Nursing, Universitat de València, Valencia, Spain
| | - Amaia Irizar
- Health Research Institute, Biodonostia, Donostia-San Sebastian, Spain
| | - Ziortza Barroeta
- Health Research Institute, Biodonostia, Donostia-San Sebastian, Spain
| | - Ana Fernández-Somoano
- CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, 28034, Madrid, Spain; University Institute of Oncology of the Principality of Asturias (IUOPA), Department of Medicine, University of Oviedo, Julián Clavería Street s/n, 33006, Oviedo, Asturias, Spain; Institute of Health Research of the Principality of Asturias (ISPA), Roma Avenue s/n, 33001, Oviedo, Spain
| | - Adonina Tardón
- CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, 28034, Madrid, Spain; University Institute of Oncology of the Principality of Asturias (IUOPA), Department of Medicine, University of Oviedo, Julián Clavería Street s/n, 33006, Oviedo, Asturias, Spain; Institute of Health Research of the Principality of Asturias (ISPA), Roma Avenue s/n, 33001, Oviedo, Spain
| | - Martine Vrijheid
- CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, 28034, Madrid, Spain; ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra, Barcelona, Spain
| | - Mònica Guxens
- CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, 28034, Madrid, Spain; ISGlobal, Barcelona, Spain; Universitat Pompeu Fabra, Barcelona, Spain; Department of Child and Adolescent Psychiatry/Psychology, Erasmus MC, University Medical Centre, Rotterdam, the Netherlands
| | - Manus Carey
- Biological Sciences, Institute for Global Food Security, Queen's University Belfast, 19 Chlorine Gardens, Belfast, BT9 5DL, Northern Ireland, UK
| | - Caroline Meharg
- Biological Sciences, Institute for Global Food Security, Queen's University Belfast, 19 Chlorine Gardens, Belfast, BT9 5DL, Northern Ireland, UK
| | - Kathryn Ralphs
- Biological Sciences, Institute for Global Food Security, Queen's University Belfast, 19 Chlorine Gardens, Belfast, BT9 5DL, Northern Ireland, UK
| | - Coalain McCreanor
- Biological Sciences, Institute for Global Food Security, Queen's University Belfast, 19 Chlorine Gardens, Belfast, BT9 5DL, Northern Ireland, UK
| | - Andrew Meharg
- Biological Sciences, Institute for Global Food Security, Queen's University Belfast, 19 Chlorine Gardens, Belfast, BT9 5DL, Northern Ireland, UK
| | - Antonio J Signes-Pastor
- Instituto de Investigación Sanitaria y Biomédica de Alicante, Universidad Miguel Hernández (ISABIAL-UMH), 03010, Alicante, Spain; Unidad de Epidemiología de la Nutrición, Departamento de Salud Pública, Historia de la Ciencia y Ginecología, Universidad Miguel Hernández (UMH), 03550, Alicante, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, 28034, Madrid, Spain.
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Liu N, Wang D, Tian J, Wang X, Shi H, Wang C, Jiang Y, Pang M, Fan X, Zhao J, Liu L, Wu H, Guan L, Zheng H, Shi D, Zhang Z. PM 2.5-bound metals and blood metals are associated with pulmonary function and Th17/Treg imbalance: A panel study of asthmatic adults. Chemosphere 2023; 340:139869. [PMID: 37597628 DOI: 10.1016/j.chemosphere.2023.139869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/25/2023] [Accepted: 08/17/2023] [Indexed: 08/21/2023]
Abstract
Growing research has demonstrated that exposure to fine particulate matter (PM2.5) was associated with decreased pulmonary function and obvious inflammatory response. However, few pieces of research focus on the effects of PM2.5-bound metals on people with asthma. Here, we assessed whether PM2.5 and PM2.5-bound metals exposure could worsen pulmonary function in asthmatic patients and further elucidate the possible mechanisms. Thirty-four asthmatic patients were recruited to follow up for one year with eight visits in 2019-2020 in Taiyuan City, China. The index of pulmonary function was detected and blood and nasal epithelial lining fluid (ELF) samples were acquired for biomarkers measurement at each follow-up. Linear mixed-effect (LME) models were used to evaluate the relations between PM2.5, PM2.5-bound metals, and blood metals with lung function and biomarkers of Th17/Treg balance. The individual PM2.5 exposure concentration varied from 37 μg/m3 to 194 μg/m3 (mean: 59.63 μg/m3) in the present study. An interquartile range (IQR) increment of PM2.5 total mass was associated with a faster decline in maximal mid-expiratory flow (MMEF) and higher interleukin-23 (IL-23). PM2.5-bound metals [e.g. copper (Cu), nickel (Ni), manganese (Mn), titanium (Ti), and zinc (Zn)] were significantly associated with IL-23 (Cu: 5.1126%, 95% CI: 9.3708, 0.8544; Mn: 14.7212%, 95% CI: 27.926, 1.5164; Ni: 1.0269%, 95% CI: 2.0273, 0.0264; Ti: 16.7536%, 95% CI: 31.6203, 1.8869; Zn: 24.5806%, 95% CI: 46.609, 2.5522). Meanwhile, blood lead (Pb) and Cu were associated with significant declines of 0.382-3.895% in MMEF and maximum ventilatory volume (MVV). Blood Pb was associated with descending transforming growth factor β (TGF-β). In conclusion, exposure to PM2.5-bound metals and blood metals is a risk factor for decreased pulmonary function, especially in small airways. These alterations might be partially attributed to the imbalance of Th17/Treg.
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Affiliation(s)
- Nannan Liu
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China; Yellow River Basin Ecological Public Health Security Center, Shanxi Medical University, Taiyuan, Shanxi, China; Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China
| | - Dan Wang
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China; Yellow River Basin Ecological Public Health Security Center, Shanxi Medical University, Taiyuan, Shanxi, China; Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China
| | - Jiayu Tian
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China; Yellow River Basin Ecological Public Health Security Center, Shanxi Medical University, Taiyuan, Shanxi, China; Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China
| | - Xin Wang
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China; Yellow River Basin Ecological Public Health Security Center, Shanxi Medical University, Taiyuan, Shanxi, China; Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China
| | - Hao Shi
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China; Yellow River Basin Ecological Public Health Security Center, Shanxi Medical University, Taiyuan, Shanxi, China; Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China
| | - Caihong Wang
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China; Yellow River Basin Ecological Public Health Security Center, Shanxi Medical University, Taiyuan, Shanxi, China; Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China
| | - Yi Jiang
- Department of Respiratory and Critical Care Medicine, First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Min Pang
- Department of Respiratory and Critical Care Medicine, First Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Xiaozhou Fan
- Shanxi Eco-Environmental Monitoring and Emergency Support Center (Shanxi Academy of Eco-Environmental Sciences), Taiyuan, Shanxi, China
| | - Jing Zhao
- Shanxi Eco-Environmental Monitoring and Emergency Support Center (Shanxi Academy of Eco-Environmental Sciences), Taiyuan, Shanxi, China
| | - Liangpo Liu
- Yellow River Basin Ecological Public Health Security Center, Shanxi Medical University, Taiyuan, Shanxi, China; Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China; Department of Sanitary Inspection, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Hongyan Wu
- Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China; Department of Epidemiology and Health Statistics, Fudan University, Shanghai, China
| | - Linlin Guan
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China; Yellow River Basin Ecological Public Health Security Center, Shanxi Medical University, Taiyuan, Shanxi, China; Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China
| | - Huiqiu Zheng
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China; Yellow River Basin Ecological Public Health Security Center, Shanxi Medical University, Taiyuan, Shanxi, China; Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China
| | - Dongxing Shi
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China; Yellow River Basin Ecological Public Health Security Center, Shanxi Medical University, Taiyuan, Shanxi, China; Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China
| | - Zhihong Zhang
- Department of Environmental Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi, China; Yellow River Basin Ecological Public Health Security Center, Shanxi Medical University, Taiyuan, Shanxi, China; Key Laboratory of Coal Environmental Pathogenicity and Prevention (Shanxi Medical University), Ministry of Education, China.
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Zheng K, Zeng Z, Tian Q, Huang J, Zhong Q, Huo X. Epidemiological evidence for the effect of environmental heavy metal exposure on the immune system in children. Sci Total Environ 2023; 868:161691. [PMID: 36669659 DOI: 10.1016/j.scitotenv.2023.161691] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 12/28/2022] [Accepted: 01/14/2023] [Indexed: 06/17/2023]
Abstract
Heavy metals exist widely in daily life, and exposure to heavy metals caused by environmental pollution has become a serious public health problem worldwide. Due to children's age-specific behavioral characteristics and imperfect physical function, the adverse health effects of heavy metals on children are much higher than in adults. Studies have found that heavy metal exposure is associated with low immune function in children. Although there are reviews describing the evidence for the adverse effects of heavy metal exposure on the immune system in children, the summary of evidence from epidemiological studies involving the level of immune molecules is not comprehensive. Therefore, this review summarizes the current epidemiological study on the effect of heavy metal exposure on childhood immune function from multiple perspectives, emphasizing its risks to the health of children's immune systems. It focuses on the effects of six heavy metals (lead (Pb), cadmium (Cd), arsenic (As), mercury (Hg), nickel (Ni), and manganese (Mn)) on children's innate immune cells, lymphocytes and their subpopulations, cytokines, total and specific immunoglobulins, and explores the immunotoxicological effects of heavy metals. The review finds that exposure to heavy metals, particularly Pb, Cd, As, and Hg, not only reduced lymphocyte numbers and suppressed adaptive immune responses in children, but also altered the innate immune response to impair the body's ability to fight pathogens. Epidemiological evidence suggests that heavy metal exposure alters cytokine levels and is associated with the development of inflammatory responses in children. Pb, As, and Hg exposure was associated with vaccination failure and decreased antibody titers, and increased risk of immune-related diseases in children by altering specific immunoglobulin levels. Cd, Ni and Mn showed activation effects on the immune response to childhood vaccination. Exposure age, sex, nutritional status, and co-exposure may influence the effects of heavy metals on immune function in children.
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Affiliation(s)
- Keyang Zheng
- Laboratory of Environmental Medicine and Developmental Toxicology, School of Environment, Jinan University, 855 East Xingye Avenue, Guangzhou 511443, Guangdong, China; Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou 510632, Guangdong, China
| | - Zhijun Zeng
- Laboratory of Environmental Medicine and Developmental Toxicology, School of Environment, Jinan University, 855 East Xingye Avenue, Guangzhou 511443, Guangdong, China
| | - Qianwen Tian
- Laboratory of Environmental Medicine and Developmental Toxicology, School of Environment, Jinan University, 855 East Xingye Avenue, Guangzhou 511443, Guangdong, China; Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou 510632, Guangdong, China
| | - Jintao Huang
- Laboratory of Environmental Medicine and Developmental Toxicology, School of Environment, Jinan University, 855 East Xingye Avenue, Guangzhou 511443, Guangdong, China; Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou 510632, Guangdong, China
| | - Qi Zhong
- Laboratory of Environmental Medicine and Developmental Toxicology, School of Environment, Jinan University, 855 East Xingye Avenue, Guangzhou 511443, Guangdong, China; Department of Public Health and Preventive Medicine, School of Medicine, Jinan University, Guangzhou 510632, Guangdong, China
| | - Xia Huo
- Laboratory of Environmental Medicine and Developmental Toxicology, School of Environment, Jinan University, 855 East Xingye Avenue, Guangzhou 511443, Guangdong, China.
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Liu J, Hermon T, Gao X, Dixon D, Xiao H. Arsenic and Diabetes Mellitus: A Putative Role for the Immune System. All Life 2023; 16:2167869. [PMID: 37152101 PMCID: PMC10162781 DOI: 10.1080/26895293.2023.2167869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 01/02/2023] [Indexed: 02/04/2023] Open
Abstract
Diabetes mellitus (DM) is an enormous public health issue worldwide. Recent data suggest that chronic arsenic exposure is linked to the risk of developing type 1 and type 2 DM, albeit the underlying mechanisms are unclear. This review discusses the role of the immune system as a link to possibly explain some of the mechanisms of developing T1DM or T2DM associated with arsenic exposure in humans, animal models, and in vitro studies. The rationale for the hypothesis includes: (1) Arsenic is a well-recognized modulator of the immune system; (2) arsenic exposures are associated with increased risk of DM; and (3) dysregulation of the immune system is one of the hallmarks in the pathogenesis of both T1DM and T2DM. A better understanding of DM in association with immune dysregulation and arsenic exposures may help to understand how environmental exposures modulate the immune system and how these effects may impact the manifestation of disease.
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Affiliation(s)
- Jingli Liu
- Molecular Pathogenesis Group, Mechanistic Toxicology Branch, Division of the National Toxicology Program (DNTP), National Institute of Environmental Health Sciences (NIEHS), NIH, DHHS, 111 TW Alexander Drive, Research Triangle Park, NC 27709, USA
| | - Tonia Hermon
- Molecular Pathogenesis Group, Mechanistic Toxicology Branch, Division of the National Toxicology Program (DNTP), National Institute of Environmental Health Sciences (NIEHS), NIH, DHHS, 111 TW Alexander Drive, Research Triangle Park, NC 27709, USA
| | - Xiaohua Gao
- Molecular Pathogenesis Group, Mechanistic Toxicology Branch, Division of the National Toxicology Program (DNTP), National Institute of Environmental Health Sciences (NIEHS), NIH, DHHS, 111 TW Alexander Drive, Research Triangle Park, NC 27709, USA
| | - Darlene Dixon
- Molecular Pathogenesis Group, Mechanistic Toxicology Branch, Division of the National Toxicology Program (DNTP), National Institute of Environmental Health Sciences (NIEHS), NIH, DHHS, 111 TW Alexander Drive, Research Triangle Park, NC 27709, USA
| | - Hang Xiao
- Key Lab of Modern Toxicology (NJMU), Ministry of Education, Department of Toxicology, School of Public Health, Nanjing Medical University, 140 Hanzhong Road, Nanjing 210029, Jiangsu, China
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Xiong L, Fan C, Song J, Wan Y, Lin X, Su Z, Qiu J, Wu W, He Z, Wu Y, Yang X. Associations of long-term cadmium exposure with peripheral white blood cell subtype counts and indices in residents of cadmium-polluted areas. Chemosphere 2022; 308:135946. [PMID: 36007735 DOI: 10.1016/j.chemosphere.2022.135946] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 07/29/2022] [Accepted: 08/01/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Experimental evidence suggests that exposure to cadmium (Cd) could affect immune cells in vivo and in vitro. However, the associations of long-term Cd exposure with white blood cell (WBC) subtype counts and hemogram-derived indices have been rarely investigated. Therefore, we evaluated these relationships in residents of cadmium-polluted areas. METHODS This cross-sectional study included 431 participants aged 45-75 years without occupational exposure histories from Cd-contaminated areas of southern China. We detected WBC, neutrophil, lymphocyte, and monocyte counts using routine blood tests and calculated neutrophil-lymphocyte ratio (NLR), systemic inflammation response index (SIRI), and lymphocyte-monocyte ratio (LMR). Urinary Cd (U-Cd) was measured with inductively coupled plasma mass spectrometry and adjusted for creatinine. To evaluate the associations of U-Cd with peripheral WBC subtype counts and indices, we performed multivariate linear regression, logistic regression and subgroup analyses using U-Cd categorized into quartiles. RESULTS In models adjusted for all potential confounders, U-Cd was negatively associated with WBC, neutrophil, and monocyte counts in Q2, compared with Q1 of U-Cd (p < 0.05). A similar relationship was observed between U-Cd and NLR and SIRI, whereas the corresponding association for LMR was positive (p < 0.05). In subgroup analyses, U-Cd was negatively associated with neutrophil count, except for never smokers, after full adjustment. CONCLUSIONS U-Cd was negatively associated with WBC count, neutrophil count, monocyte count, NLR, and SIRI, and positively associated with LMR. Therefore, neutrophil count could be a potential indicator of long-term Cd exposure-associated immunosuppressive effect.
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Affiliation(s)
- Lili Xiong
- 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, Guangdong, 510000, China
| | - Cuihua Fan
- 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, Guangdong, 510000, 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, Guangdong, 510000, China
| | - Yu Wan
- 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, Guangdong, 510000, China
| | - Xiuqin 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, Guangdong, 510000, China
| | - Zujian Su
- Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, Guangdong, 510000, China
| | - Jianmin Qiu
- The Fifth Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong, 510000, China
| | - WeiLiang 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, Guangdong, 510000, China
| | - Zhini He
- 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, Guangdong, 510000, China
| | - Yongning 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, Guangdong, 510000, 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, China.
| | - Xingfen 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, Guangdong, 510000, China.
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Ventre S, Desai G, Roberson R, Kordas K. Toxic metal exposures from infant diets: Risk prevention strategies for caregivers and health care professionals. Curr Probl Pediatr Adolesc Health Care 2022; 52:101276. [PMID: 36266220 DOI: 10.1016/j.cppeds.2022.101276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Concerns are growing regarding the presence of toxic elements such as arsenic (As), cadmium (Cd), mercury (Hg), and lead (Pb) in the ingredients and prepared foods for infants and young children. There are few clear, evidence-based, guidelines on the maximum tolerable limits of toxicants in foods and little understanding of toxicant exposure or adverse health effects attributable to dietary exposure. Caregivers are faced with the burden of making decisions about which foods to select, how often to feed them to their children, and what foods to limit. This article reviews the current literature and existing recommendations on dietary exposure to toxic elements in children under 2 years of age, and their health effects in early childhood-focusing on growth, neurodevelopment, and immune function. The article also outlines best practices for healthcare providers to address the concerns of toxic element exposure through the diet in young children. Several foods consistently appear in the literature as potential sources of toxic element exposure. Contaminated drinking and cooking water, including water used to prepare infant formula, could also be a major exposure source. In the absence of stronger evidence on effects of dietary modification, exclusive breastfeeding until six months of age, followed by a diverse diet are some strategies to reduce dietary toxic element exposure while ensuring an adequate and balanced nutrient intake. Healthcare providers can support families by sharing information and encouraging blood Pb testing, the only element for which such testing is currently recommended.
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Affiliation(s)
- Sarah Ventre
- Department of Pediatrics, University at Buffalo, USA; New York State Children's Environmental Health Center, USA.
| | - Gauri Desai
- Department of Epidemiology and Environmental Health, University at Buffalo, USA
| | | | - Katarzyna Kordas
- Department of Epidemiology and Environmental Health, University at Buffalo, USA
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Giles BH, Mann KK. Arsenic as an immunotoxicant. Toxicol Appl Pharmacol 2022; 454:116248. [PMID: 36122737 DOI: 10.1016/j.taap.2022.116248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/12/2022] [Accepted: 09/13/2022] [Indexed: 10/31/2022]
Abstract
Arsenic is world-wide contaminant to which millions of people are exposed. The health consequences of arsenic exposure are varied, including cancer, cardiometabolic disease, and respiratory disorders. Arsenic is also toxic to the immune system, which may link many of the pathologies associated with arsenic exposure. The immune system can be classified into two interconnected arms: the innate and the adaptive immune responses. Herein, we discuss the effects of arsenic on key cell types within each of these arms, highlighting both in vitro and in vivo responses. These cells include macrophages, neutrophils, dendritic cells, and both B and T lymphocytes. Furthermore, we will explore data from human populations where altered immune status is implicated in disease and identify several data gaps where research is needed to complete our understanding of the immunotoxic effects of arsenic.
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Affiliation(s)
- Braeden H Giles
- Department of Pharmacology and Therapeutics, McGill University, Montreal, Quebec, Canada
| | - Koren K Mann
- Department of Pharmacology and Therapeutics, McGill University, Montreal, Quebec, Canada; Lady Davis Institute for Medical Research, Jewish General Hospital, Montreal, Quebec, Canada.
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Patti MA, Kelsey KT, MacFarlane AJ, Papandonatos GD, Arbuckle TE, Ashley-Martin J, Fisher M, Fraser WD, Lanphear BP, Muckle G, Braun JM. Maternal Folate Status and the Relation between Gestational Arsenic Exposure and Child Health Outcomes. Int J Environ Res Public Health 2022; 19:11332. [PMID: 36141604 PMCID: PMC9517145 DOI: 10.3390/ijerph191811332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 09/02/2022] [Accepted: 09/03/2022] [Indexed: 06/16/2023]
Abstract
Gestational arsenic exposure adversely impacts child health. Folate-mediated 1-carbon metabolism facilitates urinary excretion of arsenic and may prevent arsenic-related adverse health outcomes. We investigated the potential for maternal folate status to modify associations between gestational arsenic exposure and child health. We used data from 364 mother-child pairs in the MIREC study, a prospective pan-Canadian cohort. During pregnancy, we measured first trimester urinary arsenic concentrations, plasma folate biomarkers, and folic acid supplementation intake. At age 3 years, we evaluated twelve neurodevelopmental and anthropometric features. Using latent profile analysis and multinomial regression, we developed phenotypic profiles of child health, estimated covariate-adjusted associations between arsenic and these phenotypic profiles, and evaluated whether folate status modified these associations. We identified three phenotypic profiles of neurodevelopment and three of anthropometry, ranging from less to more optimal child health. Gestational arsenic was associated with decreased odds of optimal neurodevelopment. Maternal folate status did not modify associations of arsenic with neurodevelopmental phenotypic profiles, but gestational arsenic was associated with increased odds of excess adiposity among those who exceed recommendations for folic acid (>1000 μg/day). However, arsenic exposure was low and folate status was high. Gestational arsenic exposure may adversely impact child neurodevelopment and anthropometry, and maternal folate status may not modify these associations; however, future work should examine these associations in more arsenic-exposed or lower folate-status populations.
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Affiliation(s)
- Marisa A. Patti
- Department of Epidemiology, Brown University, 121 S Main St., Providence, RI 02903, USA
| | - Karl T. Kelsey
- Department of Epidemiology, Brown University, 121 S Main St., Providence, RI 02903, USA
| | - Amanda J. MacFarlane
- Nutrition Research Division, Health Canada, 251 Sir Frederick Banting Driveway, Ottawa, ON K1A 0K9, Canada
- Department of Biology, Carleton University, 1125 Colonel By Dr., Ottawa, ON K1S 5B6, Canada
| | - George D. Papandonatos
- Department of Biostatistics, Brown University, 121 S Main St., Providence, RI 02903, USA
| | - Tye E. Arbuckle
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Branch, Health Canada, 50 Colombine Driveway, Ottawa, ON K1A 0K9, Canada
| | - Jillian Ashley-Martin
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Branch, Health Canada, 50 Colombine Driveway, Ottawa, ON K1A 0K9, Canada
| | - Mandy Fisher
- Environmental Health Science and Research Bureau, Healthy Environments and Consumer Branch, Health Canada, 50 Colombine Driveway, Ottawa, ON K1A 0K9, Canada
| | - William D. Fraser
- Department D’obstétrique et Gynécologie, Université de Sherbrooke, 2500 Bd de L’Université, Sherbrooke, QC J1K 2R1, Canada
| | - Bruce P. Lanphear
- Department of Health Sciences, Simon Fraser University, 515 W Haastings St., Vancouver, BC V5A 1S6, Canada
| | - Gina Muckle
- School of Psychology, Université Laval, Ville de Québec, 2325 Rue de L’Université, Québec, QC G1V 0B4, Canada
| | - Joseph M. Braun
- Department of Epidemiology, Brown University, 121 S Main St., Providence, RI 02903, USA
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Cheong A, Nagel ZD. Human Variation in DNA Repair, Immune Function, and Cancer Risk. Front Immunol 2022; 13:899574. [PMID: 35935942 PMCID: PMC9354717 DOI: 10.3389/fimmu.2022.899574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/20/2022] [Indexed: 11/13/2022] Open
Abstract
DNA damage constantly threatens genome integrity, and DNA repair deficiency is associated with increased cancer risk. An intuitive and widely accepted explanation for this relationship is that unrepaired DNA damage leads to carcinogenesis due to the accumulation of mutations in somatic cells. But DNA repair also plays key roles in the function of immune cells, and immunodeficiency is an important risk factor for many cancers. Thus, it is possible that emerging links between inter-individual variation in DNA repair capacity and cancer risk are driven, at least in part, by variation in immune function, but this idea is underexplored. In this review we present an overview of the current understanding of the links between cancer risk and both inter-individual variation in DNA repair capacity and inter-individual variation in immune function. We discuss factors that play a role in both types of variability, including age, lifestyle, and environmental exposures. In conclusion, we propose a research paradigm that incorporates functional studies of both genome integrity and the immune system to predict cancer risk and lay the groundwork for personalized prevention.
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Parvez F, Lauer FT, Factor-Litvak P, Islam T, Eunus M, Horayara MA, Rahman M, Sarwar G, Ahsan H, Graziano JH, Burchiel SW. Exposure to arsenic and level of Vitamin D influence the number of Th17 cells and production of IL-17A in human peripheral blood mononuclear cells in adults. PLoS One 2022; 17:e0266168. [PMID: 35404942 PMCID: PMC9000092 DOI: 10.1371/journal.pone.0266168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 03/16/2022] [Indexed: 12/12/2022] Open
Abstract
There is limited evidence on the effects of environmental exposure to arsenic (As) on the immune system in adults. In a population-based study, we have found that urinary As (UAs), and its metabolites [inorganic As (InAs), monomethylated arsenicals (MMA+3/+5), and dimethylated arsenicals (DMA+3/+5)] modulate or influence the number of T-helper 17 (Th17) cells and IL-17A cytokine production. In non-smoking women, we observed that UAs and DMA+3/+5 were associated with changes in Th17 cell numbers in a nonlinear fashion. In smoking males, we found that UAs was associated with a significant decrease of Th17 cell numbers. Similar association was observed among non-smoking males. Likewise, UAs, DMA+3/+5 and MMA+3/+5 were associated with diminished production of IL-17A among non-smoking males. When stratified by Vitamin D levels defined as sufficient (≥20 ng/ml) and insufficient (<20 ng/ml), we found a substancial decrease in Th17 cell numbers among those with insufficient levels. Individuals with sufficient VitD levels demonstrated significant inhibition of IL-17A production in non-smoking males. Collectively, we find that exposure to As via drinking water is associated with alterations in Th17 numbers and IL-17A production, and that these associations may be modified by Vitamin D status. Our findings have significance for health outcomes associated with As exposure.
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Affiliation(s)
- Faruque Parvez
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York, United States of America
- * E-mail:
| | - Fredine T. Lauer
- Department of Pharmaceutical Sciences, University of New Mexico College of Pharmacy, Albuquerque, New Mexico, United States of America
| | - Pam Factor-Litvak
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, United States of America
| | - Tariqul Islam
- University of Chicago and Columbia University Field Research Office, Dhaka, Bangladesh
| | - Mahbubul Eunus
- University of Chicago and Columbia University Field Research Office, Dhaka, Bangladesh
| | - M. Abu Horayara
- University of Chicago and Columbia University Field Research Office, Dhaka, Bangladesh
| | - Mizanour Rahman
- University of Chicago and Columbia University Field Research Office, Dhaka, Bangladesh
| | - Golam Sarwar
- University of Chicago and Columbia University Field Research Office, Dhaka, Bangladesh
| | - Habibul Ahsan
- Department of Health Studies, University of Chicago, Chicago, Illinois, United States of America
| | - Joseph H. Graziano
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, New York, United States of America
| | - Scott W. Burchiel
- Department of Pharmaceutical Sciences, University of New Mexico College of Pharmacy, Albuquerque, New Mexico, United States of America
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Ma L, Fang X, Zhang A. The hypermethylation of FOXP3 gene as an epigenetic marker for the identification of arsenic poisoning risk. Hum Exp Toxicol 2022; 41:9603271221142819. [PMID: 36464704 DOI: 10.1177/09603271221142819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Background and Purpose: Arsenic exposure can lead to skin lesions and multiple organ damage, which are not easily reversible and for which there is no effective therapeutics. Identification of reliable epigenetic markers is essential for early recognition of arsenic poisoning risk. Anomalous DNA methylation of immune homeostasis regulator FOXP3 is a critical mechanism for triggering arsenic poisoning. This study aims to explore the value of FOXP3 methylation in the identification of arsenic poisoning risk.Methods: 88 arsenic poisoning subjects and 41 references were recruited. Urinary arsenic contents and FOXP3 methylation in PBLCs was measured by ICP-MS and pyrosequencing, respectively.Results: The results showed that the elevated FOXP3 methylation in PBLCs were associated with the increased levels of urinary arsenic and were positively associated with the increased risk of arsenic poisoning and its progression. The result of mediation analysis revealed that 24.3% of the effect of arsenic exposure on the risk of arsenic poisoning was mediated by increased FOXP3 methylation. Additionally, we constructed a nomogram model with FOXP3 methylation as an epigenetic predictor to assess the probability of individual arsenic poisoning. The model showed a robust ability in the discrimination of arsenic poisoning risk, with an area under receiver operating characteristics curve of 0.897(0.845-0.949) and more than 70% accuracy. The calibration curves and the Harrell concordance index showed that the consistency rate between the probability predicted by the nomogram model and the actual probability is 89.7%.Conclusions: Taken together, we found the great potential of FOXP3 methylation for the identification of arsenic poisoning risk and provided a new approach to the application of epigenetic markers in accurately quantifying the risk of adverse outcomes.
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Affiliation(s)
- Lu Ma
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, 74628Guizhou Medical University, Guiyang, China
| | - Xiaolin Fang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, 74628Guizhou Medical University, Guiyang, China
| | - Aihua Zhang
- The Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Department of Toxicology, School of Public Health, 74628Guizhou Medical University, Guiyang, China
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Zeng HL, Zhang B, Wang X, Yang Q, Cheng L. Urinary trace elements in association with disease severity and outcome in patients with COVID-19. Environ Res 2021; 194:110670. [PMID: 33387537 PMCID: PMC7772999 DOI: 10.1016/j.envres.2020.110670] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 12/06/2020] [Accepted: 12/21/2020] [Indexed: 05/26/2023]
Abstract
BACKGROUND The dynamics of urinary trace elements in patients with COVID-19 still remains to be investigated. METHODS A retrospective study was performed on a cohort of 138 confirmed COVID-19 patients for their urinary levels of essential and/or toxic metals including chromium, manganese, copper, arsenic, selenium, cadmium, mercury, thallium and lead according to the different disease severity (severe or non-severe) and outcome (recovered or deceased). RESULTS Urinary concentrations of chromium, manganese, copper, selenium, cadmium, mercury and lead after creatinine adjustment were found to be higher in severe patients than the non-severe cases with COVID-19. And among the severe cases, these elements were also higher in the deceased group than the recovered group. When the weeks of the post-symptom onset were taken in account, the changes of these urinary elements were existed across the clinical course since the disease onset. These urinary elements were found to be mostly positively inter-correlated, and further positively correlated with other laboratory inflammatory parameters including serum cytokines (IL-1B, IL2R, IL6, IL8, IL10, TNFα), ferritin, and neutrophil count and white blood cell count. As a independently predictive factor, urinary creatinine-adjusted copper of ≥25.57 μg/g and ≥99.32 μg/g were associated with significantly increased risk of severe illness and fatal outcome in COVID-19, respectively. CONCLUSIONS These results suggest abnormities in urinary levels of the trace metals were tightly associated with the severe illness and fatal outcome of COVID-19.
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Affiliation(s)
- Hao-Long Zeng
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Bo Zhang
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xu Wang
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qing Yang
- Institute of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, China.
| | - Liming Cheng
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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Skalny AV, Lima TRR, Ke T, Zhou JC, Bornhorst J, Alekseenko SI, Aaseth J, Anesti O, Sarigiannis DA, Tsatsakis A, Aschner M, Tinkov AA. Toxic metal exposure as a possible risk factor for COVID-19 and other respiratory infectious diseases. Food Chem Toxicol 2020; 146:111809. [PMID: 33069759 PMCID: PMC7563920 DOI: 10.1016/j.fct.2020.111809] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/25/2020] [Accepted: 10/01/2020] [Indexed: 01/08/2023]
Abstract
Multiple medical, lifestyle, and environmental conditions, including smoking and particulate pollution, have been considered as risk factors for COronaVIrus Disease 2019 (COVID-19) susceptibility and severity. Taking into account the high level of toxic metals in both particulate matter (PM2.5) and tobacco smoke, the objective of this review is to discuss recent data on the role of heavy metal exposure in development of respiratory dysfunction, immunotoxicity, and severity of viral diseases in epidemiological and experimental studies, as to demonstrate the potential crossroads between heavy metal exposure and COVID-19 severity risk. The existing data demonstrate that As, Cd, Hg, and Pb exposure is associated with respiratory dysfunction and respiratory diseases (COPD, bronchitis). These observations corroborate laboratory findings on the role of heavy metal exposure in impaired mucociliary clearance, reduced barrier function, airway inflammation, oxidative stress, and apoptosis. The association between heavy metal exposure and severity of viral diseases, including influenza and respiratory syncytial virus has been also demonstrated. The latter may be considered a consequence of adverse effects of metal exposure on adaptive immunity. Therefore, reduction of toxic metal exposure may be considered as a potential tool for reducing susceptibility and severity of viral diseases affecting the respiratory system, including COVID-19.
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Affiliation(s)
- Anatoly V Skalny
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Federal Research Centre of Biological Systems and Agro-technologies of the Russian Academy of Sciences, Orenburg, Russia.
| | - Thania Rios Rossi Lima
- São Paulo State University - UNESP, Center for Evaluation of Environmental Impact on Human Health (TOXICAM), Botucatu, SP, Brazil; Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Tao Ke
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Ji-Chang Zhou
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong Province, China
| | - Julia Bornhorst
- Food Chemistry, Faculty of Mathematics and Natural Sciences, University of Wuppertal, Wuppertal, Germany
| | - Svetlana I Alekseenko
- I.I. Mechnikov North-Western State Medical University, St. Petersburg, Russia; K.A. Rauhfus Children's City Multidisciplinary Clinical Center for High Medical Technologies, St. Petersburg, Russia
| | - Jan Aaseth
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Research Department, Innlandet Hospital Trust, Brumunddal, Norway
| | - Ourania Anesti
- Laboratory of Toxicology, Medical School, University of Crete, Voutes, Heraklion, Crete, Greece; HERACLES Research Center on the Exposome and Health, Center for Interdisciplinary Research and Innovation, Aristotle University of Thessaloniki, Thermi, Greece
| | - Dimosthenis A Sarigiannis
- HERACLES Research Center on the Exposome and Health, Center for Interdisciplinary Research and Innovation, Aristotle University of Thessaloniki, Thermi, Greece; University School of Advanced Studies IUSS, Pavia, Italy
| | - Aristides Tsatsakis
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Laboratory of Toxicology, Medical School, University of Crete, Voutes, Heraklion, Crete, Greece
| | - Michael Aschner
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, USA
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Burchiel SW, Lauer FT, Factor-Litvak P, Liu X, Islam T, Eunus M, Abu Horayara M, Islam MT, Rahman M, Ahmed A, Cremers S, Nandakumar R, Ahsan H, Olopade C, Graziano J, Parvez F. Arsenic exposure associated T cell proliferation, smoking, and vitamin D in Bangladeshi men and women. PLoS One 2020; 15:e0234965. [PMID: 32574193 PMCID: PMC7310686 DOI: 10.1371/journal.pone.0234965] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 06/06/2020] [Indexed: 01/02/2023] Open
Abstract
There are limited data examining the consequences of environmental exposure to arsenic on the immune system in adults, particularly among smokers. Smoking has been shown to exacerbate or contribute to impaired immune function in men chronically exposed to arsenic. In contrast, vitamin D (VitD) is known to have a positive influence on innate and adaptive immune responses. The effect of circulating VitD on arsenic-associated immune dysfunction is not known. Here we examine the relationship of arsenic exposure and T cell proliferation (TCP), a measure of immune responsiveness, and circulating VitD among adult men and women in Bangladesh. Arsenic exposure was assessed using total urinary arsenic as well as urinary arsenic metabolites all adjusted for urinary creatinine. TCP was measured ex vivo in cryopreserved peripheral blood mononuclear cells from 614 adult participants enrolled in the Bangladesh Health Effects of Arsenic Longitudinal Study; serum VitD was also evaluated. The influence of cigarette smoking on arsenic-induced TCP modulation was assessed only in males as there was an inadequate number of female smokers. These studies show that arsenic suppressed TCP in males. The association was significantly strong in male smokers and to a lesser extent in male non-smokers. Interestingly, we found a strong protective effect of high/sufficient serum VitD levels on TCP among non-smoking males. Furthermore, among male smokers with low serum VitD (⊔20 ng/ml), we found a strong suppression of TCP by arsenic. On the other hand, high VitD (>20 ng/ml) was found to attenuate effects of arsenic on TCP among male-smokers. Overall, we found a strong protective effect of VitD, when serum levels were >20 ng/ml, on arsenic-induced inhibition of TCP in men, irrespective of smoking status. To our knowledge this is the first large study of immune function in healthy adult males and females with a history of chronic arsenic exposure.
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Affiliation(s)
- Scott W. Burchiel
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, Albuquerque, NM, United States of America
- * E-mail:
| | - Fredine T. Lauer
- Department of Pharmaceutical Sciences, College of Pharmacy, University of New Mexico, Albuquerque, NM, United States of America
| | - Pam Factor-Litvak
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, United States of America
| | - Xinhua Liu
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, United States of America
| | - Tariqul Islam
- University of Chicago and Columbia University Field Research Office, Dhaka, Bangladesh
| | - Mahbubul Eunus
- University of Chicago and Columbia University Field Research Office, Dhaka, Bangladesh
| | - M. Abu Horayara
- University of Chicago and Columbia University Field Research Office, Dhaka, Bangladesh
| | - Md. Tariqul Islam
- University of Chicago and Columbia University Field Research Office, Dhaka, Bangladesh
| | - Mizanour Rahman
- University of Chicago and Columbia University Field Research Office, Dhaka, Bangladesh
| | - Alauddin Ahmed
- University of Chicago and Columbia University Field Research Office, Dhaka, Bangladesh
| | - Serge Cremers
- Department of Pathology and Cell Biology, Columbia University Medical Center, New York, NY, United States of America
| | - Renu Nandakumar
- Irving Institute for Clinical and Translational Research, Columbia University Medical Center, New York, NY, United States of America
| | - Habibul Ahsan
- Department of Health Studies, University of Chicago, Chicago, IL, United States of America
| | - Christopher Olopade
- University of Chicago Medical Center, University of Chicago, Chicago, IL, United States of America
| | - Joseph Graziano
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, United States of America
| | - Faruque Parvez
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, United States of America
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