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Qu J, Niu H, Wang J, Wang Q, Li Y. Potential mechanism of lead poisoning to the growth and development of ovarian follicle. Toxicology 2021; 457:152810. [PMID: 33984407 DOI: 10.1016/j.tox.2021.152810] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 04/01/2021] [Accepted: 05/03/2021] [Indexed: 01/08/2023]
Abstract
With the rapid development of economic globalization and industrialization, lead (Pb), one of the most important heavy metals, has been used widely since antiquity for several purposes. In fact, its impact on the health of animals and humans is a significant public health risk all the time. Pb could be accumulated in the body for a long time, causing irreversible damage to the health of animals and humans, including hostile reproductive health. Up to now, although there are some published studies on impeding the normal development of ovarian folliculogenesis of female resulted from Pb exposure, with the damage of structure in uterine tissue, the imbalance of female menstrual status, and the change of hormone levels. The potential mechanism of Pb exposure on female reproduction system, however, remains enigmatic. How to alleviate the damage of Pb toxicity to reproductive function of female has become an urgent problem. Therefore, the aim of the present review is to discuss the information on the growth and development of ovarian follicle of mammalians and the potential toxic mechanism when exposed to Pb. The literatures were collected via various websites and consulting books, reports, etc. In summary, Pb impair folliculogenesis of mammalians, which may be related to the interference to the hypothalamic-pituitary-gonadal (HPG) axis and the production of reactive oxygen species (ROS), in turn impairs various molecules including proteins, lipids and DNA, as well as the disruption of the antioxidant defense system, ionic equilibrium and endoplasmic reticulum homeostasis.
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Affiliation(s)
- Jingwen Qu
- Key Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China.
| | - Haoyuan Niu
- Key Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China.
| | - Jian Wang
- Key Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China.
| | - Qiang Wang
- Key Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China.
| | - Yongjun Li
- Key Laboratory for Animal Genetics & Molecular Breeding of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China.
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Yao Q, Zhou G, Xu M, Dai J, Qian Z, Cai Z, Zhang L, Tan Y, Hu R. Blood metal levels and serum testosterone concentrations in male and female children and adolescents: NHANES 2011-2012. PLoS One 2019; 14:e0224892. [PMID: 31697766 PMCID: PMC6837506 DOI: 10.1371/journal.pone.0224892] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 10/23/2019] [Indexed: 12/27/2022] Open
Abstract
Environmental exposure to metals is ubiquitous, but its relation to androgen hormone levels is not well understood, especially in children and adolescents. This study aimed to explore the relationship between blood metal concentrations (lead, cadmium, total mercury, selenium, and manganese) and serum total testosterone (TT) levels in 6–19-year-old children and adolescents in the National Health and Nutrition Examination Survey (NHANES) 2011–2012. Weighted multivariable linear regression models using NHANES sampling weights were employed to evaluate the association between log-transformed serum TT and each metal categories in male and female children (age 6-11years) and adolescents (age 12–19 years). We established that blood cadmium and manganese levels were associated with significantly higher serum TT levels in the female adolescents. Additionally, the blood selenium levels in male adolescents were related to significantly higher serum TT. No significant associations between blood lead or total mercury levels and TT were observed in children or adolescents of either sex. These findings suggest that environmental exposure to certain metals could affect serum TT levels in adolescents, which might have important implications for the health of adolescents. Further research is required to confirm and extend our present findings.
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Affiliation(s)
- Qi Yao
- Department of Pathology and Pathophysiology, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Ge Zhou
- Department of Reproductive Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Meilin Xu
- Medical department life science China, GE healthcare China, Beijing, China
| | - Jianguo Dai
- Department of Pathology and Pathophysiology, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Ziwei Qian
- Department of Pathology and Pathophysiology, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Zijing Cai
- Department of Pathology and Pathophysiology, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Luyao Zhang
- Department of Pathology and Pathophysiology, Nanjing University of Chinese Medicine, Nanjing, Jiangsu Province, China
| | - Yong Tan
- Department of Reproductive Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu Province, China
- * E-mail: (RH); (YT)
| | - Rongkui Hu
- Department of Reproductive Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu Province, China
- * E-mail: (RH); (YT)
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Nasiadek M, Danilewicz M, Sitarek K, Świątkowska E, Daragó A, Stragierowicz J, Kilanowicz A. The effect of repeated cadmium oral exposure on the level of sex hormones, estrous cyclicity, and endometrium morphometry in female rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:28025-28038. [PMID: 30066076 PMCID: PMC6153670 DOI: 10.1007/s11356-018-2821-5] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 07/20/2018] [Indexed: 05/11/2023]
Abstract
Cadmium (Cd) is regarded as a potential endocrine disruptor. However, the exact mechanism by which this metal may interfere with the reproductive system has not yet been elucidated. The present study aimed to investigate the effect of subacute Cd oral administration at daily doses of 0.09, 1.8, and 4.5 mgCd/kg b.w. and the impact of Cd on sex hormones (estradiol (E2) and progesterone (P)) in the plasma and uterus, as well as on estrous cyclicity and histopathological changes in uterine and ovary in female rats after terminating the exposure and after a prolonged observation period (3 months). Moreover, Cd bioaccumulation in the uterine and brain tissue of rats was analyzed. The study revealed that oral Cd exposure induced changes in the plasma levels of steroid hormones: decrease in E2 and increase in P after the highest dose of Cd. Probably, for the first time, it was evidenced that circulation sex hormone disturbances in Cd-exposed rats caused irregular estrous cycle, persisting for 3 months after exposure termination; no alterations in these hormone levels in uterine tissue were noted. Cd did not induce estradiol-like hyperplasia of endometrium, but resulted in endometrial edema irrespective of the dose, and caused damage of the ovaries after the highest dose. In summary, subacute oral exposure of female rats to Cd may lead to long-term disturbances in reproductive system.
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Affiliation(s)
- Marzenna Nasiadek
- Department of Toxicology, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland
| | - Marian Danilewicz
- Department of Pathology, Medical University of Lodz, Pomorska 251, 92-213 Lodz, Poland
| | - Krystyna Sitarek
- Department of Toxicology and Carcinogenesis, Nofer Institute of Occupational Medicine, sw. Teresy 8, 91-348 Lodz, Poland
| | - Ewa Świątkowska
- Research Institute Polish Mother’s Memorial Hospital, 93-338 Lodz, Poland
| | - Adam Daragó
- Department of Toxicology, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland
| | - Joanna Stragierowicz
- Department of Toxicology, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland
| | - Anna Kilanowicz
- Department of Toxicology, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland
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Abarikwu SO, Oruitemeka S, Uwadileke IA, Omeodu SI, Okoye NF, Mgbudom-Okah CJ, Ohanador R. Oral administration of cadmium depletes intratesticular and epididymal iron levels and inhibits lipid peroxidation in the testis and epididymis of adult rats. J Trace Elem Med Biol 2018; 48:213-223. [PMID: 29773184 DOI: 10.1016/j.jtemb.2018.04.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 04/07/2018] [Accepted: 04/11/2018] [Indexed: 12/27/2022]
Abstract
Cadmium (Cd)-induced tissue injury depends on the accumulated Cd which differentially affects endogenous iron (Fe). To investigate this, adult rats were treated by oral gavage with Cd (50 mg/kg body wt.) once a week for 15, 30 and 60 days and sacrificed a day after last administration. After the 15th and 30th day of treatment, Cd had no effect on thiobarbituric acid reactive substances (TBARS) and endogenous Fe levels but exhibited anti-androgenic effects (p < 0.05) and caused histological damages. At day 60, Cd was accumulated by 156.30% and 364.77% above control values at concentrations that decreased endogenous Fe levels by 46.41% and 50.31% in the testis and epididymis respectively. The histological damages were characterized by decreased tubular diameter, damage to the epithelium leading to loss of tubular germ cells and absent of spermatozoa in the epididymal lumen. Although myeloperoxidase activities were increased, TBARS levels were found to decrease significantly at day 60 in the serum, testis and epididymis suggesting that the histological damages were not caused by lipid peroxidation. Furthermore, TBARS correlated negatively with Cd in the testis (r = -0.251, p < 0.05) and epididymis (r = -0.286, p < 0.05); Fe correlated positively with TBARS in the testis (r = +0.217, p < 0.05) and Cd correlated negatively with Fe in the testis (r = -0.461, p < 0.05) and epididymis (r = -0.109, p < 0.05). The antioxidant enzymes, superoxide dismutase and glutathione peroxidase were also decreased in the gonads after 60 days Cd treatment. Overall, anti-androgenic effects and histo-pathological changes are early indicators of direct effects of Cd and occur before decrease in TBARS which is secondarily related to the modifying of Fe contents.
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Affiliation(s)
- Sunny O Abarikwu
- Department of Biochemistry, University of Port Harcourt, Choba, Nigeria.
| | - Sarah Oruitemeka
- Department of Biochemistry, University of Port Harcourt, Choba, Nigeria
| | | | - Stephen I Omeodu
- Department of Biochemistry, University of Port Harcourt, Choba, Nigeria
| | - Ngozi F Okoye
- Department of Biochemistry, University of Port Harcourt, Choba, Nigeria
| | | | - Robinson Ohanador
- Department of Biochemistry, University of Port Harcourt, Choba, Nigeria
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Chemek M, Venditti M, Boughamoura S, Mimouna SB, Messaoudi I, Minucci S. Involvement of testicular DAAM1 expression in zinc protection against cadmium‐induced male rat reproductive toxicity. J Cell Physiol 2017; 233:630-640. [DOI: 10.1002/jcp.25923] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Accepted: 03/20/2017] [Indexed: 12/26/2022]
Affiliation(s)
- Marouane Chemek
- LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut de BiotechnologieUniversité de MonastirMonastirTunisia
| | - Massimo Venditti
- Dipartimento di Medicina Sperimentale, Sez. Fisiologia Umana e Funzioni Biologiche Integrate “F. Bottazzi”Università della Campania Luigi VanvitelliNapoliItaly
| | - Sana Boughamoura
- LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut de BiotechnologieUniversité de MonastirMonastirTunisia
| | - Safa B. Mimouna
- LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut de BiotechnologieUniversité de MonastirMonastirTunisia
| | - Imed Messaoudi
- LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut de BiotechnologieUniversité de MonastirMonastirTunisia
| | - Sergio Minucci
- Dipartimento di Medicina Sperimentale, Sez. Fisiologia Umana e Funzioni Biologiche Integrate “F. Bottazzi”Università della Campania Luigi VanvitelliNapoliItaly
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Chemek M, Mimouna SB, Boughammoura S, Delbès G, Messaoudi I. Protective role of zinc against the toxicity induced by exposure to cadmium during gestation and lactation on testis development. Reprod Toxicol 2016; 63:151-60. [PMID: 27288891 DOI: 10.1016/j.reprotox.2016.06.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Revised: 05/17/2016] [Accepted: 06/07/2016] [Indexed: 11/16/2022]
Abstract
To assess the effects of exposure to Cd and Zn on rat testicular development, offspring, from mothers receiving either tap water, Cd, Zn or Cd+Zn during gestation and lactation periods, were observed on gestational day (GD) 20 and on postnatal days (PND) 12, 21 and 35. During gestation, Cd induced maternal hypozincemia and less transfer of Zn to the fetus. During lactation, progressive Cd accumulation and Zn depletion in testis at PND12 and PND21 were noted. An increase of abnormal seminiferous tubules and a decrease in testis weight and plasmatic testosterone concentration were also observed at PND21 and PND35 respectively. Interestingly, Zn supply induced a significant protection against Cd toxicity. These results suggest that the toxic effects of Cd observed during development are mediated by the disruption of Zn metabolism, which is established in mothers during pregnancy causing Zn deficiency in fetuses and continues to become more pronounced during lactation.
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Affiliation(s)
- Marouane Chemek
- LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut de Biotechnologie, Université de Monastir, 5000 Monastir, Tunisia
| | - Safa Ben Mimouna
- LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut de Biotechnologie, Université de Monastir, 5000 Monastir, Tunisia
| | - Sana Boughammoura
- LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut de Biotechnologie, Université de Monastir, 5000 Monastir, Tunisia
| | - Géraldine Delbès
- Institut national de la recherche scientifique, Centre INRS-Institut Armand-Frappier, 531, boulevard des Prairies, Laval (Québec), Canada
| | - Imed Messaoudi
- LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut de Biotechnologie, Université de Monastir, 5000 Monastir, Tunisia.
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7
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Sun H, Wu W, Guo J, Xiao R, Jiang F, Zheng L, Zhang G. Effects of nickel exposure on testicular function, oxidative stress, and male reproductive dysfunction in Spodoptera litura Fabricius. CHEMOSPHERE 2016; 148:178-187. [PMID: 26807937 DOI: 10.1016/j.chemosphere.2015.10.068] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 10/15/2015] [Accepted: 10/15/2015] [Indexed: 06/05/2023]
Abstract
Nickel is an environmental pollutant that adversely affects the male reproductive system. In the present study, the effects of nickel exposure on Spodoptera litura Fabricius were investigated by feeding larvae artificial diets containing different doses of nickel for three generations. Damage to testes and effects on male reproduction were examined. The amount of nickel that accumulated in the testes of newly emerged males increased as the nickel dose in the diet increased during a single generation. Nickel exposure increased the amount of thiobarbituric acid reactive substances and decreased the amount of glutathione in treatment groups compared with the control. The activity levels of the antioxidant response indices superoxide dismutases, catalase, and glutathione peroxidase in the testes showed variable dose-dependent relationships with nickel doses and duration of exposure. Nickel doses also disrupted the development of the testes by decreasing the weight and volume of testes and the number of eupyrene and apyrene sperm bundles in treatment groups compared with the control. When the nickel-treated males mated with normal females, fecundity was inhibited by the higher nickel doses in all three generations, but fecundity significantly increased during the second generation, which received 5 mg kg(-1) nickel. Hatching rates in all treatments significantly decreased in a dose-dependent manner in the three successive generations. The effects of nickel on these parameters correlated with the duration of nickel exposure. Results indicate assays of testes may be a novel and efficient means of evaluating the effects of heavy metals on phytophagous insects in an agricultural environment.
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Affiliation(s)
- Hongxia Sun
- State Key Laboratory for Biocontrol & Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China; Department of Entomology, College of Agriculture, University of Kentucky, Lexington, KY 40504, USA
| | - Wenjing Wu
- State Key Laboratory for Biocontrol & Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China; Guangdong Entomological Institute, Guangzhou 510260, China
| | - Jixing Guo
- State Key Laboratory for Biocontrol & Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China
| | - Rong Xiao
- State Key Laboratory for Biocontrol & Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China
| | - Fengze Jiang
- State Key Laboratory for Biocontrol & Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China
| | - Lingyan Zheng
- State Key Laboratory for Biocontrol & Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China
| | - Guren Zhang
- State Key Laboratory for Biocontrol & Institute of Entomology, Sun Yat-sen University, Guangzhou 510275, China.
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Bommegowda YK, Mallesha N, Vinayaka AC, Sadashiva MP. IPSO-Hydroxylation of Boronic Acid via Ozonolysis: A Metal-, Ligand-, and Base-free Method. CHEM LETT 2016. [DOI: 10.1246/cl.151087] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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9
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Vinayaka AC, Swaroop TR, Chikkade PK, Rangappa KS, Sadashiva MP. Transition-metal-free solid phase synthesis of 1,2-disubstituted 4-quinolones via the regiospecific synthesis of enaminones. RSC Adv 2016. [DOI: 10.1039/c5ra21421a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The transition-metal-free economical solid phase synthesis of 1,2-disubstituted 4-quinolones has been developed via the novel regiospecific synthesis of enaminones.
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Li CJ, Yeh CY, Chen RY, Tzeng CR, Han BC, Chien LC. Biomonitoring of blood heavy metals and reproductive hormone level related to low semen quality. JOURNAL OF HAZARDOUS MATERIALS 2015; 300:815-822. [PMID: 26340548 DOI: 10.1016/j.jhazmat.2015.08.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Revised: 07/23/2015] [Accepted: 08/14/2015] [Indexed: 06/05/2023]
Abstract
Reproductive hormones and exposure to environmental metals are correlated with low-quality semen. The aim of this study was to evaluate the levels of heavy metals and reproductive hormones in the blood in addition to other relevant factors to clarify the relationship between these factors and semen quality. We recruited 154 male participants from a reproductive medical center. All participants were provided with a questionnaire on lifestyle implementation. The levels of metals in the blood were determined using inductively coupled plasma-mass spectrometry. The levels of hormones in the blood were determined using an automatic gamma counter. Multiple logistic regression analyses were conducted to predict the effects of statistically significant risk factors on semen quality by adjusting for relevant confounders and modifiers. After adjusting for the age, education level, and related factors in the multiple logistic regression analyses, we observed that the increased blood Pb levels were significantly and positively associated with low semen quality. High blood Pb levels (>50 μg/L) had an 11-fold risk of low semen quality. Our results suggest that progressive motility sperm may be a sensitive indicator of the semen quality among all the semen parameters in Taiwan.
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Affiliation(s)
- Ching-Jen Li
- School of Public Health, Taipei Medical University, No. 250, Wuxing St., Xinyi Dist., Taipei 110, Taiwan
| | - Ching-Ying Yeh
- School of Public Health, Taipei Medical University, No. 250, Wuxing St., Xinyi Dist., Taipei 110, Taiwan
| | - Ruey-Yu Chen
- School of Public Health, Taipei Medical University, No. 250, Wuxing St., Xinyi Dist., Taipei 110, Taiwan
| | - Chii-Ruey Tzeng
- Department of Obstetrics and Gynecology, Taipei Medical University, No. 250, Wuxing St., Xinyi Dist., Taipei 110, Taiwan; Department of Obstetrics and Gynecology, Taipei Medical University Hospital, No. 252, Wuxing St., Xinyi Dist., Taipei 110, Taiwan
| | - Bor-Cheng Han
- School of Public Health, Taipei Medical University, No. 250, Wuxing St., Xinyi Dist., Taipei 110, Taiwan
| | - Ling-Chu Chien
- School of Public Health, Taipei Medical University, No. 250, Wuxing St., Xinyi Dist., Taipei 110, Taiwan.
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Lassiter MG, Owens EO, Patel MM, Kirrane E, Madden M, Richmond-Bryant J, Hines EP, Davis JA, Vinikoor-Imler L, Dubois JJ. Cross-species coherence in effects and modes of action in support of causality determinations in the U.S. Environmental Protection Agency's Integrated Science Assessment for Lead. Toxicology 2015; 330:19-40. [PMID: 25637851 DOI: 10.1016/j.tox.2015.01.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2014] [Revised: 12/24/2014] [Accepted: 01/26/2015] [Indexed: 01/26/2023]
Abstract
The peer-reviewed literature on the health and ecological effects of lead (Pb) indicates common effects and underlying modes of action across multiple organisms for several endpoints. Based on such observations, the United States (U.S.) Environmental Protection Agency (EPA) applied a cross-species approach in the 2013 Integrated Science Assessment (ISA) for Lead for evaluating the causality of relationships between Pb exposure and specific endpoints that are shared by humans, laboratory animals, and ecological receptors (i.e., hematological effects, reproductive and developmental effects, and nervous system effects). Other effects of Pb (i.e., cardiovascular, renal, and inflammatory responses) are less commonly assessed in aquatic and terrestrial wildlife limiting the application of cross-species comparisons. Determinations of causality in ISAs are guided by a framework for classifying the weight of evidence across scientific disciplines and across related effects by considering aspects such as biological plausibility and coherence. As illustrated for effects of Pb where evidence across species exists, the integration of coherent effects and common underlying modes of action can serve as a means to substantiate conclusions regarding the causal nature of the health and ecological effects of environmental toxicants.
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Affiliation(s)
- Meredith Gooding Lassiter
- National Center for Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
| | - Elizabeth Oesterling Owens
- National Center for Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
| | - Molini M Patel
- National Center for Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
| | - Ellen Kirrane
- National Center for Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
| | - Meagan Madden
- Oak Ridge Institute for Science and Education Research Participation Program, National Center for Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
| | - Jennifer Richmond-Bryant
- National Center for Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
| | - Erin Pias Hines
- National Center for Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
| | - J Allen Davis
- National Center for Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
| | - Lisa Vinikoor-Imler
- National Center for Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA.
| | - Jean-Jacques Dubois
- Southern Region Integrated Pest Management Center, North Carolina State University, 1730 Varsity Drive, Suite 110, Raleigh, NC 27606, USA.
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Jain RB. Effect of pregnancy on the levels of urinary metals for females aged 17-39 years old: data from National Health and Nutrition Examination Survey 2003-2010. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2013; 76:86-97. [PMID: 23294297 DOI: 10.1080/15287394.2013.738171] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Data from National Health and Nutrition Examination survey for the years 2003-2010 were used (n = 1565) to evaluate the effect of age, parity, body mass index (BMI), race/ethnicity, pregnancy, iron (Fe) storage status, smoking status, and fish/shellfish consumption on the levels of urine barium (Ba), cadmium (Cd), cesium (Cs), cobalt (Co), molybdenum (Mo), lead (Pb), antimony (Sb), thallium (TI), tungsten (W), uranium (U), and mercury (Hg) for females aged 17-39 yr old. Regression analysis was used to fit models for each of the 11 metals. For Cd, Cs, TI, and Hg, age was positively associated with levels of these metals. Body mass index was negatively associated with levels of Cs, Co, and TI. Levels of Co, Mo, and W increased over the period 2003-2010. Over the same period, levels of Pb, Sb, and Hg declined. Non-Hispanic blacks showed lower levels of almost all metals compared to either Mexican American or other unclassified race/ethnicities. Non-Hispanic whites displayed higher levels than non-Hispanic blacks for 9 of 11 metals. Smokers displayed significantly higher levels of Pb, Sb, W, and U than nonsmokers but significantly lower levels of Cd and Mo than nonsmokers. Pregnancy was found to be associated with higher levels of Ba, Cs, Co, Mo, Pb, W, and Hg compared to nonpregnant females. Levels of Mo, Cs, and Cd declined significantly during the pregnancy period but levels of Co rose during the same period.
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13
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Jain RB. Effect of pregnancy on the levels of blood cadmium, lead, and mercury for females aged 17-39 years old: data from National Health and Nutrition Examination Survey 2003-2010. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2013; 76:58-69. [PMID: 23151210 DOI: 10.1080/15287394.2012.722524] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Data from the National Health and Nutrition Examination survey for the years 2003-2010 were used (n = 4700) to evaluate the effect of age, parity, body mass index (BMI), race/ethnicity, pregnancy, iron (Fe) storage status, smoking status, and fish/shellfish consumption on the levels of blood cadmium (Cd), lead (Pb), and total mercury (Hg)for females aged 17-39 years old. Regression analysis was used to fit models for each of the three metals. For all three metals, age was positively and BMI was negatively associated with levels of these metals in blood. Smokers had statistically significantly higher levels of Cd and Pb irrespective of race/ethnicity and Fe storage status as compared to nonsmokers. Novel to this study, pregnancy was found to be associated with significantly lower levels of Cd, Pb, and Hg irrespective of race/ethnicity and Fe storage status as compared to nonpregnant females. It is conceivable that pregnancy may thus accelerate clearance of these metals from blood. Fish/shellfish consumption was associated with higher levels of Hg but not with Cd levels.
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Hosni H, Selim O, Abbas M, Fathy A. Semen quality and reproductive endocrinal function related to blood lead levels in infertile painters. Andrologia 2012; 45:120-7. [PMID: 22680063 DOI: 10.1111/j.1439-0272.2012.01322.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/03/2012] [Indexed: 11/30/2022] Open
Abstract
Lead causes male reproductive impairment among painters, but information is still limited. Therefore, the effect of lead on semen quality and reproductive endocrinal function in those patients was investigated. A case series of 27 infertile painters were subjected to semen analysis, measuring of blood lead level (PbB) and serum levels of endocrinal parameters including follicle-stimulating hormone (FSH), luteinising hormone (LH), testosterone (T) and prolactin (PRL). Significantly lower sperm count and motility were found in those with duration of exposure (≥ 15 years), but no significant difference was found for PbB and serum levels of FSH, LH, PRL and T. A significant negative correlation between PbB and spermatic count and motility was observed, while there was no significant correlation between PbB and all endocrinal parameters. Patients with PbB ≥ 20 μg dl(-1) showed a significant decrease in sperm motility and increase in testosterone alone among all measured hormones. But the observed decrease in sperm count did not reach a significant level. It is concluded that infertile painters are at risk of lead-related influence on semen quality, especially sperm motility and increased testosterone level without significant affection of other reproductive endocrinal parameters.
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Affiliation(s)
- H Hosni
- Department of Andrology, Faculty of Medicine, Cairo University, Cairo, Egypt
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