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Chehade L, Khouri H, Malatier--Ségard J, Caron A, Mauger JF, Chapados NA, Aguer C. Acute exposure to environmentally relevant levels of DDT alters muscle mitochondrial function in vivo in rats but not in vitro in L6 myotubes: A pilot study. Toxicol Rep 2022; 9:487-498. [PMID: 35345859 PMCID: PMC8956919 DOI: 10.1016/j.toxrep.2022.03.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 02/08/2022] [Accepted: 03/02/2022] [Indexed: 10/25/2022] Open
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Sousa S, Maia ML, Delerue-Matos C, Calhau C, Domingues VF. The role of adipose tissue analysis on Environmental Pollutants Biomonitoring in women: The European scenario. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:150922. [PMID: 34655625 DOI: 10.1016/j.scitotenv.2021.150922] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Revised: 09/24/2021] [Accepted: 10/07/2021] [Indexed: 06/13/2023]
Abstract
Humans are exposed every day to assorted environmental pollutants namely, polychlorinated biphenyls (PCB), organochlorine pesticides (OCP), brominated flame-retardants (BFR), polycyclic aromatic hydrocarbons (PAH), synthetic musks, heavy metals (e.g. cadmium) and plastic additives (e.g. bisphenol A, BPA). Besides environmental persistence, biomagnification and bioaccumulative properties, these pollutants are classified as endocrine disruptors (EDs), metabolic disruptors, neurologic disruptors. These compounds affect the normal function of several mechanisms in the human body being linked to human health issues as cancer development (e.g. breast, uterine and endometrial), miscarriage, birth defects, premature delivery and infertility. In order to prevent future health issue of women and possible progeny, the assessment of EDs accumulated is essential, particularly in adipose tissue. These samples have been referred as the ideal matrix to establish over time accumulation and long-term exposure of persistent and non-persistent lipophilic EDs. However, the invasive sample collection procedure and methodology processing discourages the usage of this matrix for biomonitoring studies. In this review, a Web of Science search without any publishing year restriction on the analysis in adipose tissue of PCB, OCP, BPA, cadmium, BFR and synthetic musks was performed. A total of 313 studies were found, 158 were European studies from which the studies with data on women EDs accumulation were selected for detailed analysis (n = 90). The results were structured and presented in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The present paper is an overview on the existent EDs analytical methods and levels accumulated in women adipose tissue, with the correspondent health implications across Europe. The limits of detection and quantification were compared and a discussion with results obtained about the presence of ED was performed.
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Affiliation(s)
- Sara Sousa
- REQUIMTE/LAQV-GRAQ, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, 4200-072 Porto, Portugal; Center for Research in Health Technologies and Information Systems, 4200-450 Porto, Portugal.
| | - Maria Luz Maia
- REQUIMTE/LAQV-GRAQ, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, 4200-072 Porto, Portugal; Center for Research in Health Technologies and Information Systems, 4200-450 Porto, Portugal.
| | - Cristina Delerue-Matos
- REQUIMTE/LAQV-GRAQ, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, 4200-072 Porto, Portugal.
| | - Conceição Calhau
- Center for Research in Health Technologies and Information Systems, 4200-450 Porto, Portugal; Nutrição e Metabolismo NOVA Medical School Faculdade de Ciências Médicas Universidade Nova de Lisboa, 1169-056 Lisboa, Portugal.
| | - Valentina F Domingues
- REQUIMTE/LAQV-GRAQ, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, 4200-072 Porto, Portugal.
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Galbán-Velázquez S, Esteban J, Çakmak G, Artacho-Cordón F, León J, Barril J, Vela-Soria F, Martin-Olmedo P, Fernandez MF, Pellín MC, Arrebola JP. Associations of persistent organic pollutants in human adipose tissue with retinoid levels and their relevance to the redox microenvironment. ENVIRONMENTAL RESEARCH 2021; 195:110764. [PMID: 33497679 PMCID: PMC8127078 DOI: 10.1016/j.envres.2021.110764] [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: 09/01/2020] [Revised: 01/12/2021] [Accepted: 01/17/2021] [Indexed: 05/30/2023]
Abstract
Humans are exposed to a myriad of chemical substances in both occupational and environmental settings. Persistent organic pollutants (POPs) have drawn attention for their adverse effects including cancer and endocrine disruption. Herein, the objectives were 1) to describe serum and adipose tissue retinol levels, along with serum retinol binding protein 4 (RBP4) concentrations, and 2) to assess the associations of adipose tissue POP levels with these retinoid parameters, as well as their potential interaction with the previously-observed POP-related disruption of redox microenvironment. Retinol was measured in both serum and adipose tissue along with RBP4 levels in serum samples of 236 participants of the GraMo adult cohort. Associations were explored by multivariable linear regression analyses and Weighted Quantile Sum regression. Polychlorinated biphenyls (PCBs) 180, 153 and 138 were related to decreased adipose tissue retinol levels and increased serum RBP4/retinol ratio. Dicofol concentrations > limit of detection were associated with decreased retinol levels in serum and adipose tissue. Additionally, increased adipose tissue retinol levels were linked to an attenuation in previously-reported associations of adipose tissue PCB-153 with in situ superoxide dismutase activity. Our results revealed a suggestive link between retinoids, PCBs and redox microenvironment, potentially relevant for both mechanistic and public health purposes.
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Affiliation(s)
| | - Javier Esteban
- Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Elche, Spain.
| | - Gonca Çakmak
- Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Elche, Spain; Department of Toxicology, Faculty of Pharmacy, Gazi University, 06330, Ankara, Turkey
| | - Francisco Artacho-Cordón
- Department of Radiology and Physical Medicine, University of Granada, 18016, Granada, Spain; CIBER Epidemiology and Public Health (CIBERESP), 28029, Madrid, Spain
| | - Josefa León
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain; Unidad de Gestión Clínica de Aparato Digestivo, Hospital Universitario San Cecilio de Granada, Spain; CIBER Hepatic and Digestive Diseases (CIBEREHD), 28029, Madrid, Spain
| | - Jose Barril
- Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Elche, Spain
| | | | - Piedad Martin-Olmedo
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain; Andalusian School of Public Health, 18011, Granada, Spain
| | - Mariana F Fernandez
- Department of Radiology and Physical Medicine, University of Granada, 18016, Granada, Spain; CIBER Epidemiology and Public Health (CIBERESP), 28029, Madrid, Spain; Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain
| | - M Cruz Pellín
- Instituto de Bioingeniería, Universidad Miguel Hernández de Elche, Elche, Spain
| | - Juan P Arrebola
- CIBER Epidemiology and Public Health (CIBERESP), 28029, Madrid, Spain; Instituto de Investigación Biosanitaria Ibs.GRANADA, Granada, Spain; Department of Preventive Medicine and Public Health, University of Granada, Spain
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Elmore SE, La Merrill MA. Oxidative Phosphorylation Impairment by DDT and DDE. Front Endocrinol (Lausanne) 2019; 10:122. [PMID: 30915030 PMCID: PMC6422878 DOI: 10.3389/fendo.2019.00122] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 02/11/2019] [Indexed: 01/07/2023] Open
Abstract
There is increasing evidence supporting the characterization of the pesticide DDT and its metabolite, DDE, as obesogens and metabolic disruptors. Elucidating the mechanism is critical to understanding whether the association of DDT and DDE with obesity and diabetes is in fact causal. One area of research investigating the etiology of metabolic diseases is mitochondrial toxicity. Several studies have found associations between mitochondrial defects and insulin resistance, cellular respiration, substrate utilization, and energy expenditure. Although the mitotoxicity of DDT and DDE was established 20-40 years ago, it was not viewed in the light of the diseases faced today; therefore, it is prudent to reexamine the mitotoxicity literature for mechanistic support of DDT and DDE as causal contributors to obesity and diabetes, as well as associated diseases, such as cancer and Alzheimer's disease. This review aims to focus on studies investigating the effect of DDT or DDE on mammalian mitochondrial oxidative phosphorylation. We illustrate that both DDT and DDE impair the electron transport chain (ETC) and oxidative phosphorylation. We conclude that there is reasonable data to suggest that DDT and DDE target specific complexes and processes within the mitochondria, and that these insults could in turn contribute to the role of DDT and DDE in mitochondria-associated diseases.
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Ishikawa T, Graham JL, Stanhope KL, Havel PJ, La Merrill MA. Effect of DDT exposure on lipids and energy balance in obese Sprague-Dawley rats before and after weight loss. Toxicol Rep 2015; 2:990-995. [PMID: 28962439 PMCID: PMC5598246 DOI: 10.1016/j.toxrep.2015.07.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 07/03/2015] [Accepted: 07/05/2015] [Indexed: 11/30/2022] Open
Abstract
Dichlorodiphenyltrichloroethane (DDT) and its metabolites accumulate in adipose tissue through dietary exposure, and have been proposed to contribute to the development of abdominal obesity, insulin resistance and dyslipidemia. Toxicity may also result when DDT and its metabolites are released from adipose tissue into the bloodstream as a result of rapid weight loss. We hypothesized that DDT-exposed rats fed a high fat diet (HFD) followed by 60% calorie restriction would have an adverse metabolic response to rapid weight loss. To test this, we exposed obese Sprague-Dawley (SD) rats to DDT and a HFD over one month followed by 60% calorie restricted diet for two weeks, and examined metabolic parameters throughout the study. During the HFD feeding period, DDT-exposed rats had significantly elevated postprandial non-esterified fatty acids (NEFAs) and decreased body temperature compared with control rats. During calorie restriction, DDT-exposed rats had lowered food efficiency (weight gained/calories consumed), body temperature, and circulating TSH. Our findings suggest that exposure to DDT may impairs metabolic substrate utilization in rats during dynamic periods of weight gain and weight loss.
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Key Words
- CR, caloric restriction
- CVD, cardiovascular disease
- DDE
- DDE, dichlorodiphenyldichloroethylene
- DDT
- DDT, dichlorodiphenyltrichloroethane
- Dyslipidemia
- Food efficiency
- HFD, high fat diet
- NEFA, non esterified fatty acid
- OLTT, oral lipid tolerance test
- SD, Sprague Dawley
- T2DM, type 2 diabetes mellitus
- T3, triiodothyronine
- T4, thyroxine
- TG, triglyceride
- TSH, thyroid-stimulating hormone
- Thermoregulation
- Thyroid hormone
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Affiliation(s)
- Tomoko Ishikawa
- Department of Environmental Toxicology, University of California Davis, Davis, CA 95616, USA
| | - James L. Graham
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
- Department of Nutrition, University of California Davis, Davis, CA 95616, USA
| | - Kimber L. Stanhope
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
- Department of Nutrition, University of California Davis, Davis, CA 95616, USA
| | - Peter J. Havel
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
- Department of Nutrition, University of California Davis, Davis, CA 95616, USA
| | - Michele A. La Merrill
- Department of Environmental Toxicology, University of California Davis, Davis, CA 95616, USA
- Correspondence to: Department of Toxicology, One Shields Avenue, Davis, CA 95616, USA.
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Gasull M, Bosch de Basea M, Puigdomènech E, Pumarega J, Porta M. Empirical analyses of the influence of diet on human concentrations of persistent organic pollutants: a systematic review of all studies conducted in Spain. ENVIRONMENT INTERNATIONAL 2011; 37:1226-35. [PMID: 21683445 DOI: 10.1016/j.envint.2011.05.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2011] [Revised: 05/12/2011] [Accepted: 05/13/2011] [Indexed: 05/04/2023]
Abstract
BACKGROUND Numerous studies analyzed concentrations of persistent organic pollutants (POPs) in human samples, and in many types of foods; however, food consumption is less commonly included in studies on the determinants of POP concentrations in humans, and these approaches are rarely integrated with surveys of food intake to estimate the amount and safety of human POP intake from food. OBJECTIVE To analyze the main characteristics and findings of all studies conducted in Spain that quantitatively assessed the influence of diet on human concentrations of POPs. METHODS Studies published until December 2010 (with no other time restrictions) were identified through Medline/PubMed, ISI-Thomson, ScienceDirect, and SciELO databases. RESULTS We identified 25 papers, from 19 different studies. Twelve papers were published in 2009-2010. All studies but one were based on subgroups not representative of the general population, and over half were limited to women. Serum was the most used biological matrix, while p,p'-DDE, HCB and PCBs were the most frequently analyzed compounds. Food intakes were measured with heterogeneous food frequency questionnaires. The most consistent association was between fish consumption and PCBs and HCB, followed by dairy products and PCBs. A few studies observed a relationship between meat and some POPs, whilst intake of vegetables, fruits and cereals was rarely related to POP levels. Only 3 studies did not find any relationship between dietary habits and POP concentrations. CONCLUSIONS In spite of methodological heterogeneity, the studies were able to quantify to what extent consumption of foods from animal origin (fish, milk, dairy products and meat) is related to higher body concentrations of POPs. As in a few other countries, in Spain food consumption is increasingly analyzed as a major determinant of human POP intake.
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Affiliation(s)
- Magda Gasull
- Institut Municipal d'Investigació Mèdica, Barcelona, Spain
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Gasull M, Porta M, Pumarega J, Vioque J, Bosch de Basea M, Puigdomènech E, Morales E, Grimalt JO, Malats N. The relative influence of diet and serum concentrations of organochlorine compounds on K-ras mutations in exocrine pancreatic cancer. CHEMOSPHERE 2010; 79:686-697. [PMID: 20350743 DOI: 10.1016/j.chemosphere.2010.03.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2010] [Revised: 02/24/2010] [Accepted: 03/06/2010] [Indexed: 05/29/2023]
Abstract
BACKGROUND In exocrine pancreatic cancer (EPC) mechanistic relationships may exist among some organochlorine compounds (OCs) and mutations in the K-ras oncogene, as well as among the latter and dietary factors. OBJECTIVE To analyze (1) the relationship between food intake and serum concentrations of OCs in EPC patients and (2) the relative influence of food and OCs on the frequency of K-ras mutations in EPC. PATIENTS AND METHODS Incident cases of EPC were prospectively identified, and interviewed face-to-face during hospital admission (N=135 patients with data on OCs and diet, and N=97 with additional information on K-ras status). OCs were measured by high-resolution gas chromatography with electron-capture detection. RESULTS Consumption of milk and other dairy products was positively associated with concentrations of p,p'-DDT, PCB 138 and PCB 153 (log-transformed betas=0.652, 0.588 and 0.317, respectively; all p<0.05). When adjusted by OCs, dairy products were no longer associated with K-ras. By contrast, after adjusting by consumption of dairy products, patients with the highest concentrations of p,p'-DDT and some PCBs remained more likely to have a K-ras-mutated EPC than patients with lower concentrations (OR for upper tertile of PCB 138=5.5, 95% CI: 1.3-23.4). CONCLUSIONS Dairy products were a source of OCs. The association between dairy products and K-ras mutations was not independent of OCs. By contrast, the association between OCs and K-ras was not confounded by dairy products. OCs may be more likely to contribute to the occurrence of K-ras mutations than nutrients contained in dairy products.
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Affiliation(s)
- Magda Gasull
- Institut Municipal d'Investigació Mèdica, Barcelona, Catalonia, Spain
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Waliszewski SM, Valencia Quintana R, Corona CA, Herrero M, Sánchez K, Aguirre H, Aldave IA, Gomez Arroyo S, Villalobos Pietrini R. Comparison of organochlorine pesticide levels in human adipose tissue of inhabitants from Veracruz and Puebla, Mexico. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2010; 58:230-236. [PMID: 19468667 DOI: 10.1007/s00244-009-9325-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2009] [Accepted: 04/06/2009] [Indexed: 05/27/2023]
Abstract
Since the discovery of insecticide properties of DDT (1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane) and HCH (hexachlorocyclohexane), they have provided great benefits to humans in sanitary actions to combat the spread of infection-borne disease vectors. Public Health Programs in Mexico used DDT and HCH until 1999 as the insecticides of choice to control disease-transmitting organisms. Because of their persistence and accumulative properties, organochlorine pesticides bioconcentrate in lipids of the human body, reflecting the rate of environmental exposure. Eighty human abdominal adipose tissue samples from Veracruz and 80 samples from Puebla were analyzed and the obtained results were compared among both populations. The results from Veracruz showed higher contamination levels (mg/kg on lipid base) compared to Puebla: beta-HCH, 0.072 vs. 0.029; pp'DDE (Dichlorodiphenyldichloroethylene), 2.364 vs. 0.726; op'DDT, 0.022 vs. 0.025; pp'DDT, 0.192 vs. 0.061; and Sigma-DDT, 2.589 vs. 0.806. The population from Veracruz and from Puebla divided by sex, origin, and cause of death presented no statistical differences. The comparison between sexes (women and men groups) at Veracruz and Puebla indicated significantly higher levels in Veracruz and statistical significant differences. Calculating possible risks (odds ratios, OR), pp'DDE (OR = 5.04) and op'DDT (OR = 2.93) revealed significantly higher risk for the Veracruz population. The study indicated prolonged DDT exposure of Mexicans caused by the past sanitary use and persistence of its residues in soils and air.
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Affiliation(s)
- Stefan M Waliszewski
- Institute of Forensic Medicine, University of Veracruz, SS Juan Pablo II s/n, 91980 Boca del Río, Mexico.
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Goncharov A, Rej R, Negoita S, Schymura M, Santiago-Rivera A, Morse G, Carpenter DO. Lower serum testosterone associated with elevated polychlorinated biphenyl concentrations in Native American men. ENVIRONMENTAL HEALTH PERSPECTIVES 2009; 117:1454-60. [PMID: 19750113 PMCID: PMC2737025 DOI: 10.1289/ehp.0800134] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2008] [Accepted: 05/19/2009] [Indexed: 05/17/2023]
Abstract
BACKGROUND Polychlorinated biphenyls (PCBs) and chlorinated pesticides are endocrine disruptors, altering both thyroid and estrogen hormonal systems. Less is known of action on androgenic systems. OBJECTIVE We studied the relationship between serum concentrations of testosterone in relation to levels of PCBs and three chlorinated pesticides in an adult Native American (Mohawk) population. METHODS We collected fasting serum samples from 703 adult Mohawks (257 men and 436 women) and analyzed samples for 101 PCB congeners, hexachlorobenzene (HCB), dichlorodiphenyldichloroethylene (DDE), and mirex, as well as testosterone, cholesterol, and triglycerides. The associations between testosterone and tertiles of serum organochlorine levels (both wet weight and lipid adjusted) were assessed using a logistic regression model while controlling for age, body mass index (BMI), and other analytes, with the lowest tertile being considered the referent. Males and females were considered separately. RESULTS Testosterone concentrations in males were inversely correlated with total PCB concentration, whether using wet-weight or lipid-adjusted values. The odds ratio (OR) of having a testosterone concentration above the median was 0.17 [95% confidence interval (CI), 0.05-0.69] for total wet-weight PCBs (highest vs. lowest tertile) after adjustment for age, BMI, total serum lipids, and three pesticides. The OR for lipid-adjusted total PCB concentration was 0.23 (95% CI, 0.06-0.78) after adjustment for other analytes. Testosterone levels were significantly and inversely related to concentrations of PCBs 74, 99, 153, and 206, but not PCBs 52, 105, 118, 138, 170, 180, 201, or 203. Testosterone concentrations in females are much lower than in males, and not significantly related to serum PCBs. HCB, DDE, and mirex were not associated with testosterone concentration in either men or women. CONCLUSIONS Elevation in serum PCB levels is associated with a lower concentration of serum testosterone in Native American men.
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Affiliation(s)
| | - Robert Rej
- Department of Biomedical Sciences, University at Albany, Rensselaer, New York, USA
- Wadsworth Center for Laboratories and Research, New York State Department of Health, Albany, New York, USA
| | - Serban Negoita
- New York State Department of Health, Albany, New York, USA
- Department of Epidemiology and Biostatistics and
| | - Maria Schymura
- New York State Department of Health, Albany, New York, USA
- Department of Epidemiology and Biostatistics and
| | - Azara Santiago-Rivera
- Department of Education and Counseling Psychology, University at Albany, Albany, New York, USA
| | - Gayle Morse
- Department of Education and Counseling Psychology, University at Albany, Albany, New York, USA
| | | | - David O. Carpenter
- Department of Environmental Health Sciences and
- Department of Biomedical Sciences, University at Albany, Rensselaer, New York, USA
- Institute for Health and the Environment, University at Albany, Rensselaer, New York, USA
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Porta M, Puigdomènech E, Ballester F, Selva J, Ribas-Fitó N, Llop S, López T. Monitoring concentrations of persistent organic pollutants in the general population: the international experience. ENVIRONMENT INTERNATIONAL 2008; 34:546-561. [PMID: 18054079 DOI: 10.1016/j.envint.2007.10.004] [Citation(s) in RCA: 131] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2007] [Revised: 10/05/2007] [Accepted: 10/15/2007] [Indexed: 05/25/2023]
Abstract
Assessing the adverse effects on human health of persistent organic pollutants (POPs) and the impact of policies aiming to reduce human exposure to POPs warrants monitoring body concentrations of POPs in representative samples of subjects. While numerous ad hoc studies are being conducted to understand POPs effects, only a few countries are conducting nationwide surveillance programs of human concentrations of POPs, and even less countries do so in representative samples of the general population. We tried to identify all studies worldwide that analyzed the distribution of concentrations of POPs in a representative sample of the general population, and we synthesized the studies' main characteristics, as design, population, and chemicals analyzed. The most comprehensive studies are the National Reports on Human Exposure to Environmental Chemicals (USA), the German Environmental Survey, and the Arctic Monitoring and Assessment Programme. Population-wide studies exist as well in New Zealand, Australia, Japan, Flanders (Belgium) and the Canary Islands (Spain). Most such studies are linked with health surveys, which is a highly-relevant additional strength. Only the German and Flemish studies analyzed POPs by educational level, while studies in the USA offer results by ethnic group. The full distribution of POPs concentrations is unknown in many countries. Knowledge gaps include also the interplay of age, gender, period and cohort effects on the prevalence of exposures observed by cross-sectional surveys. Local and global efforts to minimize POPs contamination, like the Stockholm convention, warrant nationwide monitoring of concentrations of POPs in representative samples of the general population. Results of this review show how such studies may be developed and used.
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Affiliation(s)
- Miquel Porta
- Institut Municipal d'Investigació Mèdica, Barcelona, Spain.
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Porta M, Puigdomènech E, Ballester F, Selva J, Ribas-Fitó N, Domínguez-Boada L, Martín-Olmedo P, Olea N, Llop S, Fernández M. Estudios realizados en España sobre concentraciones en humanos de compuestos tóxicos persistentes. GACETA SANITARIA 2008; 22:248-66. [PMID: 18579052 DOI: 10.1157/13123971] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Miquel Porta
- Instituto Municipal de Investigación Médica, Barcelona, España; CIBER de Epidemiología y Salud Pública (CIBERESP), España.
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Muñoz-de-Toro M, Beldoménico HR, García SR, Stoker C, De Jesús JJ, Beldoménico PM, Ramos JG, Luque EH. Organochlorine levels in adipose tissue of women from a littoral region of Argentina. ENVIRONMENTAL RESEARCH 2006; 102:107-12. [PMID: 16480710 DOI: 10.1016/j.envres.2005.12.017] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2005] [Revised: 12/12/2005] [Accepted: 12/20/2005] [Indexed: 05/06/2023]
Abstract
Organochlorine compounds (OCCs), such as pesticides and polychlorinated biphenyls (PCBs), are persistent lipophilic chemicals identified as endocrine disruptors, mainly with estrogen-like effects. Northeastern Argentina, near the Paraná River, is characterized by intensive farming and agricultural activities and industrial development, and is therefore prone to high incidences of environmental and dietary exposure to OCCs. Hence, we conducted a study to (1) estimate the organochlorine residues present in mammary fat tissue in a population of women from this littoral region and (2) identify potential sources of exposure to OCCs. Our subjects were 76 women (residing in and around Santa Fe city and not occupationally exposed to organochlorines) who underwent excision biopsy of a breast lesion or had plastic surgery. Both frequency of occurrence and levels of organochlorine residues were high in breast adipose tissue of all the participants. The organochlorine residues most frequently found were p,p'-dichlorodiphenyldichloroethylene (p,p'-DDE) in all the subjects analyzed, hexachlorobenzene (HCB) in 86.8%, and beta-hexachlorocyclohexane (beta-HCH) in 75.0%. The incidence of PCB congeners was very low. p,p'-DDE and beta-HCH residues reached the highest levels, 4794 and 1780 ppb, respectively. The diet was a relevant source of exposure, consumption of animal fat and freshwater fish playing a significant role. Bioaccumulation was evidenced by the significant positive association between organochlorine levels and body mass index (p = 0.0003) and the age of the patient (p = 0.0002). The frequency and levels of OCCs found in our study population raise concerns regarding Argentinean exposure to these endocrine disruptors.
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Affiliation(s)
- Mónica Muñoz-de-Toro
- Laboratorio de Endocrinología y Tumores Hormonodependientes, School of Biochemistry and Biological Sciences, Universidad Nacional del Litoral, Santa Fe, Argentina.
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Vaclavik E, Tjonneland A, Stripp C, Overvad K, Philippe Weber J, Raaschou-Nielsen O. Organochlorines in Danish women: predictors of adipose tissue concentrations. ENVIRONMENTAL RESEARCH 2006; 100:362-70. [PMID: 16125695 DOI: 10.1016/j.envres.2005.06.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2005] [Revised: 06/17/2005] [Accepted: 06/27/2005] [Indexed: 05/04/2023]
Abstract
Organochlorines (OCs) are ubiquitously present in the environment, and food of animal origin is currently reported as the major source of exposure. Carcinogenicity in animals raises concern, and OCs may also be a risk factor for both neurological and immunological effects. Our primary objective was to study predictors of adipose tissue levels of dichlorodiphenyldichloroethylene (DDE) and polychlorinated biphenyls (PCBs) in Danish women. We showed that adipose tissue concentrations of DDE and PCBs were consistently positively associated with age and the consumption of fish with a high fat content, while total lifetime duration of lactation had an inverse relationship. The direction of the association with body mass index (BMI) depended on the OC studied. The consumption of meat, fruit, lean fish, medium-fat-content fish, poultry, and eggs was not associated with OC concentrations in our study. We classified fish according to fat percentage, which seems more relevant than considering only total fish consumption. When PCBs were subdivided according to their chemical structure, similar results were obtained for the mono-, di-, and tri-ortho PCBs, indicating that PCBs can be treated as a homogenous group when studying predictors of concentrations in humans. In conclusion, the present study shows that age, lactation, and BMI are consistent predictors of human adipose tissue concentrations of DDE and PCBs and that dietary factors other than fish with a high fat content are not important predictors of these concentrations.
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Affiliation(s)
- Elvira Vaclavik
- Institute of Cancer Epidemiology, Danish Cancer Society, 49 Strandboulevarden, DK-2100 Copenhagen, Denmark
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Perry MJ, Ouyang F, Korrick S, Venners SA, Altshul L, Xu X, Wang X. Body mass index and serum 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane in nulliparous Chinese women. Cancer Epidemiol Biomarkers Prev 2005; 14:2433-8. [PMID: 16214928 DOI: 10.1158/1055-9965.epi-05-0174] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Basic health indicators, such as body mass index (BMI), have been associated with serum 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane/1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (DDT/DDE) levels; however, both positive and inverse associations of BMI with serum DDT/DDE have been reported. Given the association of BMI with a number of outcomes, it may confound studies of DDT/DDE-associated health effects. We investigated the relationship of BMI with serum DDT/DDE accounting for other determinants of exposure among women with relatively recent environmental exposures to DDT. METHODS Serum DDT/DDE was analyzed in 466 nonsmoking, nulliparous women recruited from Anhui province in China between 1996 and 1998 as part of a reproductive health study of textile workers. The women in the sample were born between 1963 and 1977, 8 to 21 years before China's 1984 DDT ban. We used multivariate linear regression to investigate associations of BMI, age, and birth year with serum DDT/DDE. RESULTS Mean (SD) serum total DDT concentration was 32 ng/g (17.8 ng/g). Birth year showed an inverse relationship with serum DDT independent of age. Despite limited variability in BMI, there was a consistent inverse relationship between BMI and serum DDT. Specifically, each kg/m(2) increase in BMI was associated with a -1.34 ng/g (95% confidence interval, -2.12 to -0.56 ng/g) decrease in serum total DDT. CONCLUSIONS There were high total DDT levels in this sample of nulliparous Chinese women relative to Western populations, birth year was more strongly associated with serum DDT than age, and BMI was inversely related to serum DDT in this study.
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Affiliation(s)
- Melissa J Perry
- Department of Environmental Health, Harvard School of Public Health, Room 1413, Building 1, 665 Huntington Avenue, Boston, MA 02115, USA.
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15
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Waliszewski SM, Carvajal O, Infanzón RM, Gómez-Arroyo S, Villalobos-Pietrini R, Trujillo P, Hart MM. Organochlorine Pesticide Levels in Blood Serum Samples Taken at Autopsy from Auto Accident Victims in Veracruz, Mexico. ACTA ACUST UNITED AC 2004; 59:441-8. [PMID: 16381484 DOI: 10.1080/00039890409603423] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Samples of human blood sera (N = 118) for the determination of organochlorine pesticide levels were obtained at autopsy from auto accident victims in Veracruz, Mexico, during the years 2000 and 2001. The presence of hexachlorobenzene (HCH), beta-hexachlorocyclohexane (beta-HCH), 2,2-bis(p-chlorophenyl)-1,1-dichloroethylene (p,p'-DDE), 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane (p,p'-DDT), and o,p'-DDT was confirmed by gas-liquid-electron-capture detection chromatography. During the years 2000 and 2001, the respective mean levels of (a) HCB, (b) beta-HCH, (c) p,p'-DDE, (d) o,p'-DDT, (e) p,p'-DDT, and (f) total DDT were (a) 2.1 ng/ml and 1.4 ng/ml, (b) 3.0 ng/ml and 3.6 ng/ml, (c) 21.1 ng/ml and 23.8 ng/ml, (d) 1.2 ng/ml and 0.8 ng/ml, (e) 3.3 ng/ml and 2.5 ng/ml, and, finally, (f) 25.4 ng/ml and 27.1 ng/ml, respectively. High levels of persistent organochlorine pesticides were--and continue to be--present in the blood of individuals who live in Mexico. Levels of insecticide metabolites (e.g., beta-HCH, p,p'-DDE) in blood have increased during recent years (1997-2001), but levels of p,p'-DDT decreased in 2001 because the use of DDT for the control of malaria in Mexico was restricted.
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Barraza-Villarreal A, Farías P, Díaz Sánchez V, Bailey JL, De Jager T, Ayotte P, Hernández-Avila M, Dewailly E. Nonoccupational Determinants of Plasma DDT and p,p'-DDE in Men from Chiapas, Mexico. ACTA ACUST UNITED AC 2004; 59:42-9. [PMID: 16053209 DOI: 10.3200/aeoh.59.1.42-49] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A cross-sectional study was conducted to evaluate nonoccupational biological exposure to 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane (DDT) compounds and to identify the main factors associated with such exposure in a malaria endemic region in Mexico. Capillary gas column chromatography was used to determine levels of p,p'-DDT and its metabolites in plasma. The mean age of the 144 male participants was 28 yr. Mean p,p'-DDE (1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene) and p,p'-DDT levels were 203.5 microg/l and 67.4 microg/l, respectively. Those whose houses had been sprayed for malaria control had much higher p,p'-DDE levels (p < 0.001). High levels of chlorinated pesticides were found despite being banned in Mexico for agricultural and public health use. Findings demonstrate the role of antimalarial campaigns as a major contributing factor for high DDT plasma levels.
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Affiliation(s)
- Albino Barraza-Villarreal
- Center for Population Health Research, National Institute of Public Health, Cuernavaca, Morelos, Mexico
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Martin SA, Harlow SD, Sowers MF, Longnecker MP, Garabrant D, Shore DL, Sandler DP. DDT metabolite and androgens in African-American farmers. Epidemiology 2002; 13:454-8. [PMID: 12094101 DOI: 10.1097/00001648-200207000-00014] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND The ubiquitous dichlorodiphenyltrichloroethane (DDT) metabolite 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (DDE) is an androgen receptor antagonist. Data on potential antiandrogenic activity of DDE in humans are limited. METHODS The relations between concentrations of plasma DDE and several serum androgens (total testosterone, bioavailable testosterone, 5alpha-dihydrotestosterone, and free androgen index) were examined in 137 North Carolina black male farmers, using multiple linear regression. RESULTS Participants ranged in age from 30 to 88 years (mean = 62 years). Most had farmed for about 30 years and 27% reported having used DDT. The median DDE level was 7.7 microg per liter (1213 microg per kg lipid), slightly higher than in other recent studies. Overall, concentrations of DDE and androgens were unrelated. Total testosterone decreased 2% (95% confidence limits [CL] = -9%, 5%) per increase in interquartile distance of lipid-adjusted DDE. The percentage change in other hormones was similarly negligible. However, among those whose DDE level was in the top tenth percentile, compared with all others, total testosterone and free androgen index were lower by 23% (CL= -40%, 1%) and 22% (CL =-41%, 4%) respectively. Plasma androgen levels decreased with age, a relation that has previously been studied only in whites. CONCLUSIONS Studies of more highly exposed populations may be needed to evaluate effects, if any, of DDE.
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Affiliation(s)
- Stephen A Martin
- National Institute of Environmental Health Sciences, Epidemiology Branch, MD A3-05, Research Triangle Park, NC 27709, USA
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Moysich KB, Ambrosone CB, Mendola P, Kostyniak PJ, Greizerstein HB, Vena JE, Menezes RJ, Swede H, Shields PG, Freudenheim JL. Exposures associated with serum organochlorine levels among postmenopausal women from western New York State. Am J Ind Med 2002; 41:102-10. [PMID: 11813215 DOI: 10.1002/ajim.10043] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Organochlorines, such as 2,2-bis (4-chlorophenyl)-1,1-dichloroethylene (DDE), polychlorinated biphenyls (PCBs), and hexachlorobenzene (HCB) are lipophilic compounds that are ubiquitous in the environment and may cause adverse health effects in humans. METHODS We examined the correlation between epidemiological exposure variables and serum DDE, PCB, and HCB levels in a sample of 192 healthy, female postmenopausal western New York residents; a subset of the control group from a case-control study on breast cancer risk. Usual diet, reproductive and medical histories, and other lifestyle information were obtained by an extensive in person interview. Serum levels (ng/g) of DDE, HCB, and 69 PCB congeners were determined by gas chromatography with electron capture detection. Statistical analyses included computations of crude and age and lipid adjusted correlation coefficients, as well as multiple linear regression analysis. RESULTS Results indicated that the strongest predictors for serum DDE levels were age, serum lipids, parity, and fruit and dairy consumption. Statistically significant predictors of PCB levels included age, serum lipids, parity, and fish consumption. Serum HCB levels were related to age, serum lipids, and fruit and red meat consumption. CONCLUSIONS Our findings are consistent with previous investigations that reported strong associations between organochlorine levels and age and serum lipids. The absence of other data showing an association between fruit intake and organochlorine levels make the importance of this finding unclear.
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Affiliation(s)
- Kirsten B Moysich
- Department of Cancer Prevention, Epidemiology and Biostatistics, Roswell Park Cancer Institute, Buffalo, NY 14226, USA.
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Campoy C, Olea-Serrano F, Jiménez M, Bayés R, Cañabate F, Rosales MJ, Blanca E, Olea N. Diet and organochlorine contaminants in women of reproductive age under 40 years old. Early Hum Dev 2001; 65 Suppl:S173-82. [PMID: 11755049 DOI: 10.1016/s0378-3782(01)00220-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The diet of the breast-feeding mother impacts on the quality and quantity of the milk that she feeds her child. Milk can be a vehicle for toxins, such as drugs and their metabolites, viruses, nicotine, caffeine, alcohol, and organochlorine molecules such as PCBs, DDT, HCB, HCH and dioxins, which can harm the health of the breast-feeding child. The 24-h recall diet was considered appropriate to adequately study the diet of breast-feeding mothers and was used in the present preliminary study to establish the possible relationship between the food items consumed and the presence of pesticides in her milk. Two groups of randomly selected healthy breast-feeding volunteers aged between 17 and 35 years from two different areas were recruited: 34 from intensive agriculture zone, El Ejido (Almeria), from the "Hospital de Poniente" and 21 urban zone, the city of Granada, from the "Clinico" University Hospital. Application of the Spearman Correlation Test to the results from Almeria showed a certain positive correlation between the total intake of fats and both the p,p'DDD (rho=0.53, p< or =0.05) and methoxychlor (rho=0.48, p< or =0.05) in mature milk, and between the energy supplied by vegetables and the endosulfan-lactone in mature milk (rho=0.50, p< or =0.05). Among the group of breast-feeding women from Granada, there was a strong correlation between the intake of fats and both the p,p'DDT in transition milk (rho=0.90, p< or =0.05) and the p,p'DDD in mature milk (rho=0.90, p< or =0.05). In conclusion, there is a statistically significant relationship between the consumption of fatty foods and some organochlorine molecules and between the consumption of vegetables and pesticides, and the latter relationship occurs in Almeria but not in Granada.
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Affiliation(s)
- C Campoy
- Department of Pediatrics, School of Medicine, University of Granada, Avda. de Madrid, 11, 18012, Granada, Spain.
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