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Trowbridge J, Abrahamsson D, Bland GD, Jiang T, Wang M, Park JS, Morello-Frosch R, Sirota M, Lee H, Goin DE, Zlatnik MG, Woodruff TJ. Extending Nontargeted Discovery of Environmental Chemical Exposures during Pregnancy and Their Association with Pregnancy Complications-A Cross-Sectional Study. ENVIRONMENTAL HEALTH PERSPECTIVES 2023; 131:77003. [PMID: 37466315 PMCID: PMC10355149 DOI: 10.1289/ehp11546] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 05/18/2023] [Accepted: 05/19/2023] [Indexed: 07/20/2023]
Abstract
BACKGROUND Nontargeted analysis (NTA) methods identify novel exposures; however, few chemicals have been quantified and interrogated with pregnancy complications. OBJECTIVES We characterized levels of nine exogenous and endogenous chemicals in maternal and cord blood identified, selected, and confirmed in prior NTA steps, including linear and branched isomers perfluorooctane sulfonate (PFOS), perfluorohexane sulfonate (PFHxS), monoethylhexyl phthalate, 4-nitrophenol, tetraethylene glycol, tridecanedioic acid, octadecanedioic acid, and deoxycholic acid. We evaluated relationships between maternal and cord levels and between gestational diabetes mellitus (GDM) and hypertensive disorders of pregnancy in a diverse pregnancy cohort in San Francisco. METHODS We collected matched maternal and cord serum samples at delivery from 302 pregnant study participants from the Chemicals in Our Bodies cohort in San Francisco. Chemicals were identified via NTA and quantified using targeted approaches. We calculated distributions and Spearman correlation coefficients testing the relationship of chemicals within and between the maternal and cord blood matrices. We used adjusted logistic regression to calculate the odds of GDM and hypertensive disorders of pregnancy associated with an interquartile range increase in maternal chemical exposures. RESULTS We detected linear PFOS, PFHxS, octadecanedioic acid, and deoxycholic acid in at least 97% of maternal samples. Correlations ranged between - 0.1 and 0.9. We observed strong correlations between cord and maternal levels of PFHxS, linear PFOS, and branched PFOS (coefficient = 0.9 , 0.8, and 0.8, respectively). An interquartile range increase in linear and branched PFOS, tridecanedioic acid, octadecanedioic acid, and deoxycholic acid was associated with increased odds ratio (OR) of GDM [OR = 1.33 (95% CI: 0.89, 2.01), 1.24 (95% CI: 0.86, 1.80), 1.26 (95% CI: 0.93, 1.73), 1.24 (95% CI: 0.86, 1.80), and 1.23 (95% CI: 0.87, 1.75), respectively]. Tridecanedioic acid was positively associated with hypertensive disorders of pregnancy [OR = 1.28 (95% CI: 0.90, 1.86)]. DISCUSSION We identified both exogenous and endogenous chemicals seldom quantified in pregnant study participants that were also related to pregnancy complications and demonstrated the utility of NTA to identify chemical exposures of concern. https://doi.org/10.1289/EHP11546.
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Affiliation(s)
- Jessica Trowbridge
- Department of Obstetrics, Gynecology and Reproductive Sciences, Program on Reproductive Health and the Environment, University of California, San Francisco, San Francisco, California, USA
| | - Dimitri Abrahamsson
- Department of Obstetrics, Gynecology and Reproductive Sciences, Program on Reproductive Health and the Environment, University of California, San Francisco, San Francisco, California, USA
| | - Garret D. Bland
- Department of Obstetrics, Gynecology and Reproductive Sciences, Program on Reproductive Health and the Environment, University of California, San Francisco, San Francisco, California, USA
| | - Ting Jiang
- Environmental Chemistry Laboratory, Department of Toxic Substances Control, California Environmental Protection Agency, Berkeley, California, USA
| | - Miaomiao Wang
- Environmental Chemistry Laboratory, Department of Toxic Substances Control, California Environmental Protection Agency, Berkeley, California, USA
| | - June-Soo Park
- Department of Obstetrics, Gynecology and Reproductive Sciences, Program on Reproductive Health and the Environment, University of California, San Francisco, San Francisco, California, USA
- Environmental Chemistry Laboratory, Department of Toxic Substances Control, California Environmental Protection Agency, Berkeley, California, USA
| | - Rachel Morello-Frosch
- Department of Environmental Science and Policy Management, University of California, Berkeley, Berkeley, California, USA
- School of Public Health, University of California, Berkeley, Berkeley, California, USA
| | - Marina Sirota
- Bakar Computational Health Sciences Institute, University of California San Francisco, San Francisco, California, USA
- Department of Pediatrics, University of California San Francisco, San Francisco, California, USA
| | - Harim Lee
- Department of Obstetrics, Gynecology and Reproductive Sciences, Program on Reproductive Health and the Environment, University of California, San Francisco, San Francisco, California, USA
| | - Dana E. Goin
- Department of Obstetrics, Gynecology and Reproductive Sciences, Program on Reproductive Health and the Environment, University of California, San Francisco, San Francisco, California, USA
| | - Marya G. Zlatnik
- Department of Obstetrics, Gynecology and Reproductive Sciences, Program on Reproductive Health and the Environment, University of California, San Francisco, San Francisco, California, USA
| | - Tracey J. Woodruff
- Department of Obstetrics, Gynecology and Reproductive Sciences, Program on Reproductive Health and the Environment, University of California, San Francisco, San Francisco, California, USA
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Kang R, Wang W, Liu Y, Huang S, Xu J, Zhao L, Zhang J, Ji C, Wang Z, Hu Y, Ma Q. Dietary selenium sources alleviate immune challenge induced by Salmonella Enteritidis potentially through improving the host immune response and gut microbiota in laying hens. Front Immunol 2022; 13:928865. [PMID: 36016957 PMCID: PMC9396296 DOI: 10.3389/fimmu.2022.928865] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/15/2022] [Indexed: 11/13/2022] Open
Abstract
The aim of this study was to evaluate the effects of different selenium (Se) sources on the immune responses and gut microbiota of laying hens challenged with Salmonella enteritidis (S. Enteritidis). A total of 240 45-week-old layers were randomly divided into eight groups with six replicates per group according to a 4 × 2 factorial design, including a blank diet without Se supplementation (CON group) and three diets with 0.3 mg/kg Se supplementation from sodium selenite (IS group), yeast Se (YS group), and selenium-enriched yeast culture (SYC group), respectively. After 8 weeks of feeding, half of them were orally challenged with 1.0 ml suspension of 109 colony-forming units per milliliter of S. Enteritidis daily for 3 days. The serum was collected on days 3, 7, and 14, and the cecum content was collected on day 14 after challenge. There was no significant difference in laying performance among the eight groups before challenge. The S. Enteritidis challenge significantly decreased the laying performance, egg quality, GSH-Px, IgG, and IgM and increased the ratio of feed and egg, malondialdehyde (MDA), Salmonella-specific antibody (SA) titers, IL-6, IL-2, IL-1β, and INF-γ. However, SYC increased the level of GSH-Px and IgG and decreased IL-6, while YS decreased the level of IL-2 and IL-1β. What is more, Se supplementation decreased the SA titers to varying degrees and reduced the inflammatory cell infiltration in the lamina propria caused by S. Enteritidis infection. In addition, the S. Enteritidis challenge disrupted the intestinal flora balance by reducing the abundance of the genera Clostridium innocuum, Lachnospiraceae, and Bifidobacterium and increasing the genera Butyricimonas and Brachyspira, while Se supplementation increased the gut microbial alpha diversity whether challenged or not. Under the S. Enteritidis challenge condition, the alteration of microbial composition by the administration of different Se sources mainly manifested as IS increased the relative abundance of the genera Lachnospiraceae and Christensenellaceae, YS increased the relative abundance of the genera Megamonas and Sphingomonas, and SYC increased the genera Fusobacterium and Lactococcus. The alteration of gut microbial composition had a close relationship with antioxidant or immune response. To summarize, different Se sources can improve the egg quality of layers challenged by S. Enteritidis that involves elevating the immunity level and regulating the intestinal microbiota.
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Affiliation(s)
- Ruifen Kang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Feed Safety and Healthy Livestock, Beijing Jingwa Agricultural Innovation Center, Beijing, China
| | - Weihan Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yafei Liu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Feed Safety and Healthy Livestock, Beijing Jingwa Agricultural Innovation Center, Beijing, China
| | - Shimeng Huang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Feed Safety and Healthy Livestock, Beijing Jingwa Agricultural Innovation Center, Beijing, China
| | - Jiawei Xu
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Lihong Zhao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Feed Safety and Healthy Livestock, Beijing Jingwa Agricultural Innovation Center, Beijing, China
| | - Jianyun Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Feed Safety and Healthy Livestock, Beijing Jingwa Agricultural Innovation Center, Beijing, China
| | - Cheng Ji
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Zhong Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yanxin Hu
- College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Qiugang Ma
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Feed Safety and Healthy Livestock, Beijing Jingwa Agricultural Innovation Center, Beijing, China
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Honles J, Clisson C, Monge C, Vásquez-Ocmín P, Cerapio JP, Palamy S, Casavilca-Zambrano S, Herrera J, Pineau P, Deharo E, Peynet V, Bertani S. Exposure assessment of 170 pesticide ingredients and derivative metabolites in people from the Central Andes of Peru. Sci Rep 2022; 12:13525. [PMID: 35941193 PMCID: PMC9360020 DOI: 10.1038/s41598-022-17772-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 07/30/2022] [Indexed: 11/09/2022] Open
Abstract
The Central Andes of Peru are a region of great concern regarding pesticide risk to the health of local communities. Therefore, we conducted an observational study to assess the level of pesticide contamination among Andean people. Analytical chemistry methods were used to measure the concentrations of 170 pesticide-related compounds in hair samples from 50 adult Andean subjects living in rural and urban areas. As part of the study, a questionnaire was administered to the subjects to collect information regarding factors that increase the risk of pesticide exposure. Our results indicate that Andean people are strongly exposed to agrochemicals, being contaminated with a wide array of pesticide-related compounds at high concentration levels. Multivariate analyses and geostatistical modeling identified sociodemographic factors associated with rurality and food origin that increase pesticide exposure risk. The present study represents the first comprehensive investigation of pesticide-related compounds detected in body samples collected from people living in the Central Andes of Peru. Our findings pinpoint an alarming environmental situation that threatens human health in the region and provide a rationale for improving public policies to protect local communities.
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Affiliation(s)
- Jorge Honles
- UMR 152 PHARMADEV, IRD, UPS, Université de Toulouse, Toulouse, France.,International Joint Laboratory of Molecular Anthropological Oncology (LOAM), IRD, INEN, Lima, Peru
| | - Claire Clisson
- Institut de Recherche et d'Expertise Scientifique, Europarc, Strasbourg, France
| | - Claudia Monge
- UMR 152 PHARMADEV, IRD, UPS, Université de Toulouse, Toulouse, France.,International Joint Laboratory of Molecular Anthropological Oncology (LOAM), IRD, INEN, Lima, Peru.,Banco Nacional de Tejidos Tumorales, Instituto Nacional de Enfermedades Neoplásicas, Lima, Peru
| | - Pedro Vásquez-Ocmín
- UMR 152 PHARMADEV, IRD, UPS, Université de Toulouse, Toulouse, France.,International Joint Laboratory of Molecular Anthropological Oncology (LOAM), IRD, INEN, Lima, Peru
| | - Juan Pablo Cerapio
- International Joint Laboratory of Molecular Anthropological Oncology (LOAM), IRD, INEN, Lima, Peru.,UMR 1037 CRCT, INSERM, UPS, CNRS UMR 5071, Université de Toulouse, Toulouse, France.,Laboratory of Excellence Toulouse-Cancer (TOUCAN), UPS, Université de Toulouse, Toulouse, France
| | - Sysay Palamy
- Faculty of Pharmacy, University of Health Sciences, Vientiane, Laos
| | - Sandro Casavilca-Zambrano
- International Joint Laboratory of Molecular Anthropological Oncology (LOAM), IRD, INEN, Lima, Peru.,Banco Nacional de Tejidos Tumorales, Instituto Nacional de Enfermedades Neoplásicas, Lima, Peru
| | - Javier Herrera
- UMR 260 LEDa, IRD, CNRS UMR 8007-260, Université Paris Dauphine, Paris, France
| | - Pascal Pineau
- Unité Organisation Nucléaire et Oncogenèse, Institut Pasteur, INSERM U 993, Paris, France
| | - Eric Deharo
- UMR 224 MIVEGEC, IRD, CNRS UMR 5290, Université de Montpellier, Montpellier, France
| | - Vincent Peynet
- Institut de Recherche et d'Expertise Scientifique, Europarc, Strasbourg, France
| | - Stéphane Bertani
- UMR 152 PHARMADEV, IRD, UPS, Université de Toulouse, Toulouse, France. .,International Joint Laboratory of Molecular Anthropological Oncology (LOAM), IRD, INEN, Lima, Peru. .,Faculté de Pharmacie, UMR 152 PHARMADEV, 35 Chemin des Maraîchers, 31000, Toulouse, France.
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Gene expression profiles of two testicular somatic cell lines respond differently to 4-nitrophenol mediating vary reproductive toxicity. Toxicology 2021; 463:152991. [PMID: 34673133 DOI: 10.1016/j.tox.2021.152991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 10/04/2021] [Accepted: 10/13/2021] [Indexed: 11/20/2022]
Abstract
4-Nitrophenol (PNP) has been extensively used in manufacturing for several decades. Its toxic effects on the male reproductive system have been reported, but the underlying mechanisms remain unclear. In this study, we utilized two testicular somatic cell lines (TM3 and TM4 cells) to explore the possible toxic effects of PNP on the male reproductive system. The activity of the cells after exposure to different doses of PNP (0.01, 0.1, 1, 10 and 100 μM) was evaluated. PNP treatment at 10 μM significantly inhibited cell viability, and 10 μM PNP was thus selected for subsequent experiments. Although PNP (10 μM) inhibited cell proliferation, promoted cell apoptosis, and changed the cell cycle distribution and ultrastructure in both types of cells, these effects were more significant in the TM4 cells. In addition, an Agilent mouse mRNA array was used to identify the gene expression differences between the control and PNP (10 μM) exposed TM3 and TM4 cells. The microarray analysis identified 67 and 1372 differentially expressed genes mainly concentrated in endothelial cell morphogenesis and anatomical structure development in TM3 cells and associated with cardiovascular system development and circulatory system development in TM4 cells. Moreover, a pathway analysis revealed that PNP not only predominately affected meiotic recombination and meiosis in TM3 cells, but also influenced axon guidance and developmental biology in TM4 cells. These results suggest that TM3 and TM4 cells exhibit different responses to PNP, which might mediate different toxic mechanisms.
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Tang Q, Tang J, Ren X, Li C. Glyphosate exposure induces inflammatory responses in the small intestine and alters gut microbial composition in rats. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 261:114129. [PMID: 32045792 DOI: 10.1016/j.envpol.2020.114129] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 02/02/2020] [Accepted: 02/02/2020] [Indexed: 05/27/2023]
Abstract
Glyphosate is the most popular herbicide used worldwide. This study aimed to investigate the adverse effects of glyphosate on the small intestine and gut microbiota in rats. The rats were gavaged with 0, 5, 50, and 500 mg/kg of body weight glyphosate for 35 continuous days. The different segments of the small intestine were sampled to measure indicators of oxidative stress, ion concentrations and inflammatory responses, and fresh feces were collected for microbiota analysis. The results showed that glyphosate exposure decreased the ratio of villus height to crypt depth in the duodenum and jejunum. Decreased activity of antioxidant enzymes (T-SOD, GSH, GSH-Px) and elevated MDA content were observed in different segments of the small intestine. Furthermore, the concentrations of Fe, Cu, Zn and Mg were significantly decreased or increased. In addition, the mRNA expression levels of IL-1β, IL-6, TNF-α, MAPK3, NF-κB, and Caspase-3 were increased after glyphosate exposure. The 16 S rRNA gene sequencing results indicated that glyphosate exposure significantly increased α-diversity and altered bacterial composition. Glyphosate exposure significantly decreased the relative abundance of the phylum Firmicutes and the genus Lactobacillus, but several potentially pathogenic bacteria were enriched. In conclusion, this study provides important insight to reveal the negative influence of glyphosate exposure on the small intestine, and the altered microbial composition may play a vital role in the process.
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Affiliation(s)
- Qian Tang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Juan Tang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xin Ren
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China
| | - Chunmei Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China.
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Zhang H, Taya K, Nagaoka K, Yoshida M, Watanabe G. 4-Nitrophenol (PNP) inhibits the expression of estrogen receptor β and disrupts steroidogenesis during the ovarian development in female rats. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 229:1-9. [PMID: 28570923 DOI: 10.1016/j.envpol.2017.04.088] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 04/22/2017] [Accepted: 04/29/2017] [Indexed: 06/07/2023]
Abstract
4-nitrophenol (PNP), isolated from diesel exhaust particles, has estrogenic and anti-androgenic activities, and affects the hypothalamus-pituitary-gonad axis in male rats. However, the effect of PNP on the reproduction of the female rats is still unknown. The aim of the study was to investigate the effect of neonatal PNP exposure on the ovarian function of female rats. The neonatal female rats were exposed to PNP (10 mg/kg, subcutaneously injection), the ovary and serum samples were collected at postnatal day (PND) 7, 14 and 21. The results showed that the ratio of primordial and primary follicles increased whereas the ratio of antral follicles decreased in the PNP treated ovaries at PND21. Even though no abnormality was observed in cyclicity, there was a significantly delayed timing of vaginal opening in PNP treated rats. The ovarian expression of steroidogenic enzymes including StAR, P450scc, P450c17 and P450arom increased at PND14 in the PNP treated rats compared with the control rats. In consistent with the gene expression, the concentration of estradiol-17β showed the similar pattern. However, PNP exposure failed to cause any significant change in the expression of steroidogenic enzymes in cultured neonatal ovaries. Furthermore, PNP suppressed the expression of estrogen receptor β (ERβ), but not estrogen receptor α (ERα), in cultured ovaries or developmental ovaries. These results suggested that PNP might directly affect the expression of ERβ in the rat ovaries, resulting in the disrupted steroidogenesis during ovarian development and the delayed puberty.
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Affiliation(s)
- Haolin Zhang
- Laboratory of Animal Physiology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, PR China; United Graduate School of Veterinarian Science, Gifu University, Gifu 501-1193, Japan; Laboratory of Veterinary Physiology, Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
| | - Kazuyoshi Taya
- United Graduate School of Veterinarian Science, Gifu University, Gifu 501-1193, Japan
| | - Kentaro Nagaoka
- United Graduate School of Veterinarian Science, Gifu University, Gifu 501-1193, Japan; Laboratory of Veterinary Physiology, Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan
| | - Midori Yoshida
- Division of Pathology, National Institute of Health Sciences, Tokyo 158-8501, Japan
| | - Gen Watanabe
- United Graduate School of Veterinarian Science, Gifu University, Gifu 501-1193, Japan; Laboratory of Veterinary Physiology, Cooperative Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo 183-8509, Japan.
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