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Bozack AK, Rifas-Shiman SL, Baccarelli AA, Wright RO, Gold DR, Oken E, Hivert MF, Cardenas A. Associations of prenatal one-carbon metabolism nutrients and metals with epigenetic aging biomarkers at birth and in childhood in a US cohort. Aging (Albany NY) 2024; 16:3107-3136. [PMID: 38412256 PMCID: PMC10929819 DOI: 10.18632/aging.205602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 01/29/2024] [Indexed: 02/29/2024]
Abstract
Epigenetic gestational age acceleration (EGAA) at birth and epigenetic age acceleration (EAA) in childhood may be biomarkers of the intrauterine environment. We investigated the extent to which first-trimester folate, B12, 5 essential, and 7 non-essential metals in maternal circulation are associated with EGAA and EAA in early life. Bohlin EGAA and Horvath pan-tissue and skin and blood EAA were calculated using DNA methylation measured in cord blood (N=351) and mid-childhood blood (N=326; median age = 7.7 years) in the Project Viva pre-birth cohort. A one standard deviation increase in individual essential metals (copper, manganese, and zinc) was associated with 0.94-1.2 weeks lower Horvath EAA at birth, and patterns of exposures identified by exploratory factor analysis suggested that a common source of essential metals was associated with Horvath EAA. We also observed evidence nonlinear associations of zinc with Bohlin EGAA, magnesium and lead with Horvath EAA, and cesium with skin and blood EAA at birth. Overall, associations at birth did not persist in mid-childhood; however, arsenic was associated with greater EAA at birth and in childhood. Prenatal metals, including essential metals and arsenic, are associated with epigenetic aging in early life, which might be associated with future health.
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Affiliation(s)
- Anne K. Bozack
- Department of Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Sheryl L. Rifas-Shiman
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA 02215, USA
| | - Andrea A. Baccarelli
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York City, NY 10032, USA
| | - Robert O. Wright
- Department of Environmental Medicine and Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York City, NY 10029, USA
| | - Diane R. Gold
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Emily Oken
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA 02215, USA
| | - Marie-France Hivert
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA 02215, USA
| | - Andres Cardenas
- Department of Epidemiology and Population Health and Department of Pediatrics, Stanford University School of Medicine, Stanford, CA 94305, USA
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2
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Melczer M, Jiménez Lamana J, Justo-Vega A, Hanser O, Ndaw S, Lobinski R. Multielement analysis of single red blood cells by single cell - inductively coupled plasma tandem mass spectrometry. Talanta 2024; 267:125226. [PMID: 37742394 DOI: 10.1016/j.talanta.2023.125226] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/23/2023] [Accepted: 09/19/2023] [Indexed: 09/26/2023]
Abstract
A method for the analysis of essential metals (Fe, Cu, Mg, and Zn) and non-metals (P, S) in single red blood cells was developed by single cell (SC)-ICP-MS. The use of a triple quadrupole configuration (MS/MS) enabled an effective elimination of polyatomic interferences, which affect the accuracy of ICP-MS analysis using a single quadrupole mass analyzer. Fixation with glutaraldehyde for at least 90 days was developed to improve the quantification of elements in a single red blood cell. The experimental conditions were optimized while special attention was paid to the residence time of analytes in the plasma. Addition of a surfactant (0.05% (v/v) Tween80®) improved quantification of elements in fixed red blood cells. The detection limits obtained by SC-ICP-MS/MS were lower than for ICP-MS, especially for S and P (3 fg and 1.7 fg. cell-1 instead of 163 and 6.3 fg. cell-1, respectively).
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Affiliation(s)
- Mathieu Melczer
- French Research and Safety Institute for the Prevention of Occupational Accidents and Diseases (INRS), Toxicology and Biomonitoring Division, 1 Rue Morvan, F-54519, Vandoeuvre les Nancy, France.
| | - Javier Jiménez Lamana
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, Institute of Analytical and Physical Chemistry for Environment and Materials (IPREM-UMR5254), 64053, Pau, France
| | - Ana Justo-Vega
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, Institute of Analytical and Physical Chemistry for Environment and Materials (IPREM-UMR5254), 64053, Pau, France; Group of Trace Elements, Spectroscopy and Speciation (GETEE), Materials Institute (iMATUS), Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Chemistry, University of Santiago de Compostela, Avda das Ciencias, s/n, 15782, Santiago de Compostela, Spain
| | - Ogier Hanser
- French Research and Safety Institute for the Prevention of Occupational Accidents and Diseases (INRS), Toxicology and Biomonitoring Division, 1 Rue Morvan, F-54519, Vandoeuvre les Nancy, France
| | - Sophie Ndaw
- French Research and Safety Institute for the Prevention of Occupational Accidents and Diseases (INRS), Toxicology and Biomonitoring Division, 1 Rue Morvan, F-54519, Vandoeuvre les Nancy, France
| | - Ryszard Lobinski
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, Institute of Analytical and Physical Chemistry for Environment and Materials (IPREM-UMR5254), 64053, Pau, France; Chair of Analytical Chemistry, Faculty of Chemistry, Warsaw University of Technology, ul. Noakowskiego 3, 00-664, Warswawa, Poland
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Martinez A, Hua JBX, Haque E, Hornbuckle KC, Thorne PS. Occurrence and spatial distribution of individual polychlorinated biphenyl congeners in residential soils from East Chicago, southwest Lake Michigan. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 850:157705. [PMID: 35931157 PMCID: PMC9907466 DOI: 10.1016/j.scitotenv.2022.157705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/25/2022] [Accepted: 07/25/2022] [Indexed: 06/15/2023]
Abstract
We report individual polychlorinated biphenyl congeners and the sum of all congeners (ΣPCB) in residential soils of East Chicago, Indiana. ΣPCB in soils ranged from 20 to 1700 ng/g dry weight (DW), with a geometric mean of 120 ng/g DW. These values are significantly higher than other locations, but similar or lower to locations nearby well-known PCB contamination sites. No PCB spatial distribution pattern was observed. PCB concentrations increase with total organic carbon in the soils and proximity to Indiana Harbor and Ship Canal (IHSC), where sediments are contaminated with PCBs. Most samples are similar in their PCB distribution and Aroclor 1254 yielded the highest similarity to all the samples. A fifth of the samples highly resemble other PCB profiles such as EPA background and Cedar Rapids Iowa soils, and volatilization from Lake Michigan, whereas volatilization from IHSC could not explain the PCBs found in soils. IHSC was expected to be the main source of PCBs in the nearby soils. It is possible that soils are impacted by variety of known and unknown sources, including volatilization from Lake Michigan, resulting in a regional PCB signal. Although PCB concentrations are higher than other locations, samples were below the current US EPA non-cancer residential soil level remediation goal for dioxin TEQ.
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Affiliation(s)
- Andres Martinez
- Department of Civil & Environmental Engineering, IIHR-Hydroscience and Engineering, The University of Iowa, Iowa City, IA, USA.
| | - Jason B X Hua
- Department of Civil & Environmental Engineering, IIHR-Hydroscience and Engineering, The University of Iowa, Iowa City, IA, USA
| | - Ezazul Haque
- Human Toxicology Program, The University of Iowa, Iowa City, IA, USA
| | - Keri C Hornbuckle
- Department of Civil & Environmental Engineering, IIHR-Hydroscience and Engineering, The University of Iowa, Iowa City, IA, USA
| | - Peter S Thorne
- Human Toxicology Program, The University of Iowa, Iowa City, IA, USA; Department of Occupational and Environmental Health, The University of Iowa, Iowa City, IA, USA
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Haque E, Jing X, Bostick BC, Thorne PS. In vitro and in silico bioaccessibility of urban dusts contaminated by multiple legacy sources of lead (Pb). JOURNAL OF HAZARDOUS MATERIALS ADVANCES 2022; 8:100178. [PMID: 36926421 PMCID: PMC10016194 DOI: 10.1016/j.hazadv.2022.100178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Lead contamination from gasoline, paint, pesticides, and smelting have unique chemical structures. Recent investigations into Pb speciation in urban soils and dusts from multiple sources have revealed emerging forms which differ from the initial sources. This results from reactions with soil constituents leading to transformation to new forms for which the bioaccessibilities remain uninvestigated. We investigated the in vitro and in silico bioaccessibility of these emerging forms in three physiologically relevant milieux: artificial lysosomal fluid (ALF), simulated epithelial lung fluid (SELF), and simulated gastric fluid (SGF). Species were validated using extended X-ray absorption fine structure spectroscopy. Results highlight diverse bioaccessibilities which are form and compartmentally-dependent. In ALF the bioaccessibility trend was humate-bound Pb (86%) > hydrocerussite (79%) > Fe oxide-bound Pb (47%) > galena (10%) > pyromorphite (4%) > Mn oxide-bound Pb (2%). Humate-bound Pb, hydrocerussite, Fe and Mn oxide-bound Pb were 100% bioaccessible in SGF while pyromorphite and galena were 26%, and 8%, respectively. Bioaccessibility in SELF was very low (< 1%) and significantly lower than ALF and SGF (p < 0.001). In silico bioaccessibilities modeled using equilibrium solubilities in extraction solutions were in good agreement with empirical measurements. These emerging forms of Pb have a wide range of bioaccessibilities that can influence their toxicity and impact on human health.
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Affiliation(s)
- Ezazul Haque
- Human Toxicology Program, University of Iowa, Iowa City, IA, USA
- Department of Occupational and Environmental Health, University of Iowa, IA, USA
| | - Xuefang Jing
- Department of Occupational and Environmental Health, University of Iowa, IA, USA
| | | | - Peter S. Thorne
- Human Toxicology Program, University of Iowa, Iowa City, IA, USA
- Department of Occupational and Environmental Health, University of Iowa, IA, USA
- Corresponding author at: 145N. Riverside Dr., 100 CPHB S341A, Iowa City, IA 52242-2007. (P.S. Thorne)
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Areecheewakul S, Adamcakova-Dodd A, Haque E, Jing X, Meyerholz DK, O'Shaughnessy PT, Thorne PS, Salem AK. Time course of pulmonary inflammation and trace element biodistribution during and after sub-acute inhalation exposure to copper oxide nanoparticles in a murine model. Part Fibre Toxicol 2022; 19:40. [PMID: 35698146 PMCID: PMC9195454 DOI: 10.1186/s12989-022-00480-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 05/27/2022] [Indexed: 12/14/2022] Open
Abstract
Background It has been shown that copper oxide nanoparticles (CuO NPs) induce pulmonary toxicity after acute or sub-acute inhalation exposures. However, little is known about the biodistribution and elimination kinetics of inhaled CuO NPs from the respiratory tract. The purposes of this study were to observe the kinetics of pulmonary inflammation during and after CuO NP sub-acute inhalation exposure and to investigate copper (Cu) biodistribution and clearance rate from the exposure site and homeostasis of selected trace elements in secondary organs of BALB/c mice. Results Sub-acute inhalation exposure to CuO NPs led to pulmonary inflammation represented by increases in lactate dehydrogenase, total cell counts, neutrophils, macrophages, inflammatory cytokines, iron levels in bronchoalveolar lavage (BAL) fluid, and lung weight changes. Dosimetry analysis in lung tissues and BAL fluid showed Cu concentration increased steadily during exposure and gradually declined after exposure. Cu elimination from the lung showed first-order kinetics with a half-life of 6.5 days. Total Cu levels were significantly increased in whole blood and heart indicating that inhaled Cu could be translocated into the bloodstream and heart tissue, and potentially have adverse effects on the kidneys and spleen as there were significant changes in the weights of these organs; increase in the kidneys and decrease in the spleen. Furthermore, concentrations of selenium in kidneys and iron in spleen were decreased, pointing to disruption of trace element homeostasis. Conclusions Sub-acute inhalation exposure of CuO NPs induced pulmonary inflammation, which was correlated to Cu concentrations in the lungs and started to resolve once exposure ended. Dosimetry analysis showed that Cu in the lungs was translocated into the bloodstream and heart tissue. Secondary organs affected by CuO NPs exposure were kidneys and spleen as they showed the disruption of trace element homeostasis and organ weight changes. Supplementary Information The online version contains supplementary material available at 10.1186/s12989-022-00480-z.
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Affiliation(s)
- Sudartip Areecheewakul
- Department of Pharmaceutical Sciences and Experimental Therapeutics, The University of Iowa, College of Pharmacy, Iowa City, IA, 52242, USA
| | - Andrea Adamcakova-Dodd
- Department of Occupational and Environmental Health, The University of Iowa, College of Public Health, Iowa City, IA, 52242, USA.
| | - Ezazul Haque
- Interdisciplinary Graduate Program in Human Toxicology, University of Iowa, Iowa City, IA, 52246, USA
| | - Xuefang Jing
- Department of Occupational and Environmental Health, The University of Iowa, College of Public Health, Iowa City, IA, 52242, USA
| | - David K Meyerholz
- Department of Pathology, University of Iowa, Iowa City, IA, 52242, USA
| | - Patrick T O'Shaughnessy
- Department of Occupational and Environmental Health, The University of Iowa, College of Public Health, Iowa City, IA, 52242, USA
| | - Peter S Thorne
- Department of Occupational and Environmental Health, The University of Iowa, College of Public Health, Iowa City, IA, 52242, USA. .,Interdisciplinary Graduate Program in Human Toxicology, University of Iowa, Iowa City, IA, 52246, USA.
| | - Aliasger K Salem
- Department of Pharmaceutical Sciences and Experimental Therapeutics, The University of Iowa, College of Pharmacy, Iowa City, IA, 52242, USA.
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Haque E, Moran ME, Wang H, Adamcakova-Dodd A, Thorne PS. Validation of blood arsenic and manganese assessment from archived clotted erythrocyte fraction in an urban cohort of mother-child dyads. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 810:152320. [PMID: 34915002 PMCID: PMC9709768 DOI: 10.1016/j.scitotenv.2021.152320] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 12/07/2021] [Accepted: 12/07/2021] [Indexed: 05/03/2023]
Abstract
Exposure to arsenic (As) and manganese (Mn) from contaminated food, drinking water and dust are linked to a host of adverse health effects. The recent discovery of unmonitored community exposures to hazardous levels of metals, as seen in the Flint Water Crisis and East Chicago, have demonstrated a need for novel biomonitoring methods utilizing samples other than whole blood. Here, we present a method utilizing clotted erythrocyte fraction samples, a blood component commonly archived in biorepositories, to predict whole blood levels of As and Mn. This method would allow for innovative retrospective assessments of environmental exposures in previously unused samples. Whole blood and clotted erythrocyte fraction samples were simultaneously collected from 84 participants in the Airborne Exposure to Semivolatile Organic Pollutants (AESOP) cohort study of mother-child dyads in East Chicago. Clotted erythrocyte fraction samples were prepared by alkaline dilution and subsequently analyzed using inductively coupled plasma-mass spectrometry. A strong linear relationship was observed between whole blood and clotted erythrocyte fraction with Pearson correlation coefficients (r, p < 0.001) of 0.74, and 0.82 for As and Mn, respectively. Modeled whole blood Mn levels predicted from clotted erythrocyte fractions evaluated at a test threshold representing the NHANES median of 9.7 μg/L, were found to have diagnostic sensitivity of 88% and specificity of 71%. Clotted erythrocyte partitioning of As was tested on a wide range of oral gavage doses using a rat model. Results from this investigation demonstrate clotted erythrocyte fraction samples are a viable alternative biological sample for retrospective public health surveillance of environmental exposure to As and Mn.
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Affiliation(s)
- Ezazul Haque
- Human Toxicology Program, Graduate College, University of Iowa, United States of America; Department of Occupational and Environmental Health, College of Public Health, University of Iowa, United States of America
| | - Margaret E Moran
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, United States of America
| | - Hui Wang
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, United States of America
| | - Andrea Adamcakova-Dodd
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, United States of America
| | - Peter S Thorne
- Human Toxicology Program, Graduate College, University of Iowa, United States of America; Department of Occupational and Environmental Health, College of Public Health, University of Iowa, United States of America.
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Haque E, Thorne PS, Nghiem AA, Yip CS, Bostick BC. Lead (Pb) concentrations and speciation in residential soils from an urban community impacted by multiple legacy sources. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125886. [PMID: 34492824 PMCID: PMC8666965 DOI: 10.1016/j.jhazmat.2021.125886] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 04/05/2021] [Accepted: 04/11/2021] [Indexed: 05/20/2023]
Abstract
In many urban areas, elevated soil lead (Pb) concentrations are indicators of community-level Pb exposure. Here, we examine the spatial distribution and speciation of legacy soil Pb contamination in East Chicago, Ind., an industrial center with a wide range of Pb sources including a former lead smelter. In situ X-ray fluorescence spectroscopy (n = 358) revealed widespread soil Pb contamination above the Environmental Protection Agency regulatory limit for soils. This soil contamination was heterogenous across all neighborhoods, and mostly uncorrelated with distance from the former smelting site. Soil Pb levels increased with decreasing median household income in East Chicago's nine neighborhoods (r = -0.73, p = 0.03). Extended X-ray absorption fine structure spectroscopy (n = 44) indicated that the soil Pb was primarily adsorbed to iron and manganese oxides or humic acids, and as Pb hydroxycarbonate regardless of contamination levels. Crystalline insoluble forms of Pb, like pyromorphite, were not detected in significant concentrations. Thus, the unique chemical forms of potential Pb sources to soil, such as paint, ore and slag are not persistent and instead are extensively repartitioned into acid-soluble forms of Pb with greater bioavailability. These findings have implications for remediation efforts and human health as blood Pb levels in this community are significantly elevated.
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Affiliation(s)
- Ezazul Haque
- Human Toxicology Program, Graduate College, University of Iowa, USA; Department of Occupational and Environmental Health, College of Public Health, University of Iowa, USA
| | - Peter S Thorne
- Human Toxicology Program, Graduate College, University of Iowa, USA; Department of Occupational and Environmental Health, College of Public Health, University of Iowa, USA.
| | - Athena A Nghiem
- Department of Earth and Environmental Sciences, Columbia University, New York, NY, USA; Lamont-Doherty Earth Observatory, Columbia University, Palisades, New York, USA
| | - Caryn S Yip
- Department of Occupational and Environmental Health, College of Public Health, University of Iowa, USA
| | - Benjamin C Bostick
- Department of Earth and Environmental Sciences, Columbia University, New York, NY, USA; Lamont-Doherty Earth Observatory, Columbia University, Palisades, New York, USA.
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