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Rodríguez-Carrillo A, Remy S, Koppen G, Wauters N, Mustieles V, Desalegn A, Iszatt N, den Hond E, Verheyen VJ, Fábelová L, Murinova LP, Pedraza-Díaz S, Esteban M, Poyatos RM, Govarts E, van Nuijs ALN, Covaci A, Schoeters G, Olea N, Fernández MF. Urinary phthalate/DINCH metabolites associations with kisspeptin and reproductive hormones in teenagers: A cross-sectional study from the HBM4EU aligned studies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 929:172426. [PMID: 38631641 DOI: 10.1016/j.scitotenv.2024.172426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/09/2024] [Accepted: 04/10/2024] [Indexed: 04/19/2024]
Abstract
BACKGROUND Exposure to phthalate/DINCH metabolites can induce human reproductive toxicity, however, their endocrine-disrupting mechanisms are not fully elucidated. OBJECTIVE To investigate the association between concentrations of phthalate/DINCH metabolites, serum kisspeptin, and reproductive hormones among European teenagers from three of the HBM4EU Aligned Studies. METHODS In 733 Belgian (FLEHS IV study), Slovak (PCB cohort follow-up), and Spanish (BEA study) teenagers, ten phthalate and two DINCH metabolites were measured in urine by high-performance liquid chromatography-tandem mass spectrometry. Serum kisspeptin (kiss54) protein, follicle-stimulating hormone (FSH), total testosterone (TT), estradiol (E2), and sex hormone-binding globulin (SHBG) levels were measured by immunosorbent assays. Free Androgen Index (FAI) was calculated as a proxy of free testosterone. Adjusted sex-stratified linear regression models for individual studies, mixed effect models (LME) accounting for random effects for pooled studies, and g-computation and Bayesian kernel machine regression (BKMR) models for the phthalate/DINCH mixture were performed. RESULTS The LME suggested that each IQR increase in ln-transformed levels of several phthalates was associated with lower kisspeptin [MnBP: %change (95%CI): -2.8 (-4.2;-0.4); MEHP: -1.4 (-3.4,0.2)] and higher FSH [∑DINP: 11.8 (-0.6;25.1)] levels in females from pooled studies. G-computation showed that the phthalates/DINCH mixture was associated with lower kisspeptin [-4.28 (-8.07;-0.34)] and higher FSH [22.13 (0.5;48.4)] also in females; BKMR showed similar although non-significant pattern. In males, higher phthalates metabolites [MEHP: -12.22 (-21.09;-1.18); oxo-MEHP: -12.73 (-22.34;-1.93)] were associated with lower TT and FAI, although higher DINCH [OH-MINCH: 16.31 (6.23;27.35), cx-MINCH: 16.80 (7.03;27.46), ∑DINCH: 17.37 (7.26;29.74)] were associated with higher TT levels. No mixture associations were found in males. CONCLUSION We observed sex-specific associations between urinary concentrations of phthalate/DINCH metabolites and the panel of selected effect biomarkers (kisspeptin and reproductive hormones). This suggests that exposure to phthalates would be associated with changes in kisspeptin levels, which would affect the HPG axis and thus influence reproductive health. However, further research is needed, particularly for phthalate replacements such as DINCH.
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Affiliation(s)
- Andrea Rodríguez-Carrillo
- VITO Health, Flemish Institute for Technological Research (VITO), 2400 Mol, Belgium; Toxicological Centre, University of Antwerp, Universiteitsplein, 1, 2610 Wilrijk, Belgium
| | - Sylvie Remy
- VITO Health, Flemish Institute for Technological Research (VITO), 2400 Mol, Belgium
| | - Gudrun Koppen
- VITO Health, Flemish Institute for Technological Research (VITO), 2400 Mol, Belgium
| | - Natasha Wauters
- VITO Health, Flemish Institute for Technological Research (VITO), 2400 Mol, Belgium
| | - Vicente Mustieles
- Biomedical Research Center & School of Medicine, University of Granada, 18016 Granada, Spain; Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain; Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Spain
| | - Anteneh Desalegn
- Division of Climate and Environmental Health, Norwegian Institute of Public Health, Norway
| | - Nina Iszatt
- Division of Climate and Environmental Health, Norwegian Institute of Public Health, Norway
| | | | - Veerle J Verheyen
- VITO Health, Flemish Institute for Technological Research (VITO), 2400 Mol, Belgium
| | - Lucia Fábelová
- Department of Environmental Medicine, Faculty of Public Health, Slovak Medical University, Bratislava, Slovakia
| | - Lubica Palkovicova Murinova
- Department of Environmental Medicine, Faculty of Public Health, Slovak Medical University, Bratislava, Slovakia
| | - Susana Pedraza-Díaz
- National Centre for Environmental Health, Instituto de Salud Carlos III, Madrid, Spain
| | - Marta Esteban
- National Centre for Environmental Health, Instituto de Salud Carlos III, Madrid, Spain
| | - Rafael M Poyatos
- Unidad de Gestión Clínica de Laboratorios, Hospital Universitario Clínico San Cecilio, Granada, Spain
| | - Eva Govarts
- VITO Health, Flemish Institute for Technological Research (VITO), 2400 Mol, Belgium
| | | | - Adrian Covaci
- Toxicological Centre, University of Antwerp, Universiteitsplein, 1, 2610 Wilrijk, Belgium
| | - Greet Schoeters
- Department of Radiology and Physical Medicine, School of Medicine, University of Granada, 18016 Granada, Spain
| | - Nicolás Olea
- Biomedical Research Center & School of Medicine, University of Granada, 18016 Granada, Spain; Department of Radiology and Physical Medicine, School of Medicine, University of Granada, 18016 Granada, Spain; Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain; Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Spain
| | - Mariana F Fernández
- Biomedical Research Center & School of Medicine, University of Granada, 18016 Granada, Spain; Department of Radiology and Physical Medicine, School of Medicine, University of Granada, 18016 Granada, Spain; Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), 18012 Granada, Spain; Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Spain.
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Zhang Y, Yang Y, Tao Y, Guo X, Cui Y, Li Z. Phthalates (PAEs) and reproductive toxicity: Hypothalamic-pituitary-gonadal (HPG) axis aspects. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:132182. [PMID: 37557049 DOI: 10.1016/j.jhazmat.2023.132182] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/13/2023] [Accepted: 07/27/2023] [Indexed: 08/11/2023]
Abstract
Phthalates (PAEs) are widely used for their excellent ability to improve plastic products. As an essential endocrine axis that regulates the reproductive system, whether dysfunction of the hypothalamic-pituitary-gonadal (HPG) axis is involved in reproductive toxicity mediated by environmental endocrine disruptors PAEs has become a hot topic of widespread concern. This study systematically reviewed the adverse effects of multiple PAEs on the HPG axis in different models and objectively discussed the possible underlying mechanisms. The abnormal release of gonadotropin-releasing hormone and gonadotropin, dysfunction of sex hormone receptors and steroid hormone synthesis, and general damage, including cell proliferation, oxidative stress, apoptosis, and autophagy have been confirmed to be involved in this process. Although it is widely established that PAEs induce HPG axis dysfunction, the specific mechanisms involved remain unclear. From a systematic review of relevant publications, it appears that the abnormal expression of peroxisome proliferator-activated, aryl hydrocarbon, and insulin receptors mediated by PAEs is key upstream event that induces these adverse outcomes; however, this inference needs to be further verified. Overall, this study aimed to provide reliable potential biomarkers for future environmental risk assessment and epidemiological investigation of PAEs.
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Affiliation(s)
- Ying Zhang
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China.
| | - Yang Yang
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
| | - Yue Tao
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
| | - Xiangyong Guo
- Fuyu County Agricultural Technology Extension Center, Qiqihar 161200, PR China
| | - Yunhe Cui
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
| | - Zixu Li
- School of Resources and Environment, Northeast Agricultural University, Harbin 150030, PR China
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Peltoniemi O, Tanskanen T, Kareskoski M. One Health challenges for pig reproduction. Mol Reprod Dev 2023; 90:420-435. [PMID: 36638261 DOI: 10.1002/mrd.23666] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 01/15/2023]
Abstract
The current state of the world challenges pig reproduction as an important part of One Health, which involves interrelationships between animal, human and environmental health. The One Health concept underlines a comparative aspect in reproductive physiology and disease occurrence, bridging knowledge from one species to another. Seasonal changes in the environment affect pig reproduction and climate change may further strengthen those effects. Endocrine-disrupting chemicals (EDCs), and specifically phthalates and heavy metals, interfere with endocrine function, and thereby sexual behavior, fertilization capacity and steroidogenesis. Reproductive infections and extended semen storage are important indications for antimicrobial use. Innovative solutions are needed to explore alternatives to antimicrobials. Efforts to ensure reproductive efficiency have prolonged farrowing as litter size has doubled over the past three decades, compromising immune transfer and welfare. Physiological, metabolic and programming related events around parturition are key areas for future One Health research in pig reproduction. In conclusion, climate change challenges reproductive management and breeding. More resilient pigs that can tolerate harsh environment but maintain high reproductive performance are needed. EDCs continue to grow as an environmental challenge for reproductive management and alternatives to antibiotics will be required.
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Affiliation(s)
- Olli Peltoniemi
- Department of Production Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
- Faculty of Veterinary Medicine, Helsinki One Health, University of Helsinki, Helsinki, Finland
| | - Topi Tanskanen
- Faculty of Veterinary Medicine, Helsinki One Health, University of Helsinki, Helsinki, Finland
| | - Maria Kareskoski
- Department of Production Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
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Zheng X, Su H, Huang S, Su W, Zheng R, Shang Y, Su Q, Zhou L, Yao Y, Su Z. Secondary oxidized di-2-ethylhexyl phthalate metabolites may be associated with progression from isolated premature thelarche to central precocious or early puberty. Sci Rep 2023; 13:5560. [PMID: 37019965 PMCID: PMC10076281 DOI: 10.1038/s41598-023-32768-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 04/02/2023] [Indexed: 04/07/2023] Open
Abstract
Phthalate esters (PAEs) may act as estrogen receptor agonists, and their relationship with precocious puberty is a global health concern. However, their role in isolated premature thelarche (IPT) progression remains unclear. We conducted a cohort study investigating the relationship between IPT progression and urinary PAE metabolites. Girls with IPT aged 6-8 years were regularly followed up every three months for one year. Clinical data and urine PAE metabolite levels were collected. Participants who progressed to central precocious puberty (CPP) or early puberty (EP) had significantly higher ovarian volume, breast Tanner stage, and levels of the creatinine-adjusted urinary secondary oxidized di-2-ethylhexyl phthalate (DEHP) metabolites (Σ4DEHP). Breast Tanner stage (odds ratio [OR] = 7.041, p = 0.010), ovarian volume (OR = 3.603, p = 0.019), and Σ4DEHP (OR = 1.020, p = 0.005) were independent risk factors for IPT progression. For each 10 µg/g/Cr increase in the urine level of Σ4DEHP, the risk of progression from IPT to CPP/EP within one year increased by 20%. This study demonstrated that the breast Tanner stage, ovarian volume, and Σ4DEHP in urine were independent risk factors for IPT progression, and Σ4DEHP may be associated with the progression of IPT to CPP or EP.
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Affiliation(s)
- Xiuxin Zheng
- Department of Endocrinology, Shenzhen Children's Hospital, Shenzhen, Guangdong, China
- Department of Endocrinology, Fujian Children's Hospital, Fuzhou, Fujian, China
| | - Huiping Su
- Department of Endocrinology, Shenzhen Children's Hospital, Shenzhen, Guangdong, China
| | - Shurong Huang
- Department of Endocrinology, Shenzhen Children's Hospital, Shenzhen, Guangdong, China
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong, China
| | - Wei Su
- Department of Endocrinology, Shenzhen Children's Hospital, Shenzhen, Guangdong, China
| | - Rongfei Zheng
- Department of Endocrinology, Shenzhen Children's Hospital, Shenzhen, Guangdong, China
| | - Yue Shang
- Department of Endocrinology, Shenzhen Children's Hospital, Shenzhen, Guangdong, China
| | - Qiru Su
- Department of Clinical Research, Shenzhen Children's Hospital, Shenzhen, Guangdong, China
| | - Li Zhou
- Shenzhen Center for Disease Control and Prevention, Shenzhen, Guangdong, China
| | - Yao Yao
- Central Laboratory, Longgang District Maternal and Child Healthcare Hospital, Shenzhen, Guangdong, China
| | - Zhe Su
- Department of Endocrinology, Shenzhen Children's Hospital, Shenzhen, Guangdong, China.
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Shi L, Jiang Z, Zhang L. Childhood obesity and central precocious puberty. Front Endocrinol (Lausanne) 2022; 13:1056871. [PMID: 36465655 PMCID: PMC9716129 DOI: 10.3389/fendo.2022.1056871] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 11/07/2022] [Indexed: 11/19/2022] Open
Abstract
Childhood obesity is a major public health problem worldwide, and the relationship between obesity and central precocious puberty has long been confirmed, however, the mechanisms underlying this association remain elusive. This review provides an overview of the recent progress regarding how childhood obesity impacts on hypothalamic-pituitary-gonadal axis and pubertal onset, focusing on adipokines (leptin and ghrelin), hormone (insulin), and lipid (ceramide), as well as critical signaling pathways (AMPK/SIRT, mTOR) that integrate the peripheral metabolism and central circuits. Notably, prevention of obesity and CPP is beneficial for the adult life of the children, thus we further summarize the potential strategies in treating and preventing childhood obesity and CPP. The updated understanding of metabolic stress and pediatric endocrine disease will arise the attention of society, and also contribute to preventing more serious comorbidities in the later period of life in children.
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Affiliation(s)
- Li Shi
- Department of Pediatrics, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhiyan Jiang
- Department of Pediatrics, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li Zhang
- Institute of Digestive Diseases, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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Zhu YD, Han X, Wang XQ, Ge TX, Liu H, Fan L, Li L, Su LQ, Wang XL. Effect of the phthalates exposure on sex steroid hormones in the US population. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 231:113203. [PMID: 35051761 DOI: 10.1016/j.ecoenv.2022.113203] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/26/2021] [Accepted: 01/13/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND New alternative phthalates have been increasingly substituted for certain phthalates in some consumer products due to safety concerns. However, research on the steroidal effect of exposure to the newer replacement phthalates in the general adult population is lacking. OBJECTIVES This study aimed to examine the associations of exposure to the older generation and newer replacement phthalates with sex hormone levels in the U.S. general population. METHODS The current cross-sectional study was based on the National Health and Nutrition Examination Survey (NHANES) 2015-2016. Sixteen urinary phthalates metabolites and three serum sex hormones were measured in 1768 adults. Gender-specific associations between urinary phthalate concentrations and sex hormones were estimated by using adjusted multiple linear regression. Logistic regression was performed to calculate the risk of phthalates exposure on hormones dysfunction. RESULTS Most phthalates metabolites concentrations were lower than 50 ng/mL. MEP, MBP, MiBP, MECPP, MCOP, MEHHP, MEOHP were higher than others, suggesting that new alternative DEP, DBP, and DiNP were exposed at high levels in daily life while DINCH was at a low level. Phthalates exposure was associated with decreased testosterone levels and increased estradiol and SHBG in total samples. Testosterone level was negatively associated with MnBP (β: -0.05, 95% CI: -0.09, 0), MEOHP (β:-0.05, 95% CI:-0.09,-0.01), MEHHP (β:-0.04, 95% CI:-0.08,0), MECPP (β:-0.07, 95% CI:-0.11,-0.03), MEP (β: -0.03, 95% CI: -0.06, 0), MiBP (β: -0.05, 95% CI: -0.10, -0.01) in males; ln-transformed estradiol were increased by 0.18 pg/mL (95% CI: 0.05,0.31), 0.15 pg/mL (95% CI: 0.01,0.29) with each 1 ln-concentration increase in MEHP and MNP, respectively, in females. CONCLUSIONS Our results suggest that phthalates exposure may disturb the hormone homeostasis in adults. The safe alternative should be used with caution in industrial production in the future and the need for further research into the safety of the new alternative replacements is necessary.
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Affiliation(s)
- Yuan-Duo Zhu
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Xu Han
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Xin-Qi Wang
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Tan-Xi Ge
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Hang Liu
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Lin Fan
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Li Li
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China
| | - Li-Qin Su
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China.
| | - Xian-Liang Wang
- China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention, Beijing 100021, China.
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