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Bai CL, Wang D, Luan YL, Huang SN, Liu LY, Guo Y. A review on micro- and nanoplastics in humans: Implication for their translocation of barriers and potential health effects. CHEMOSPHERE 2024; 361:142424. [PMID: 38795915 DOI: 10.1016/j.chemosphere.2024.142424] [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: 12/01/2023] [Revised: 05/21/2024] [Accepted: 05/23/2024] [Indexed: 05/28/2024]
Abstract
As emerging contaminants, micro- and nanoplastics (MNPs) can absorb and leach various toxic chemicals and ultimately endanger the health of the ecological environment and humans. With extensive research on MNPs, knowledge about MNPs in humans, especially their translocation of barriers and potential health effects, is of utmost importance. In this review, we collected literature published from 2000 to 2023, focusing on MNPs on their occurrence in humans, penetrating characteristics in the placental, blood-brain, and blood-testis barriers, and exposure effects on mammalian health. The characteristics and distributions of MNPs in human samples were analyzed, and the results demonstrated that MNPs were ubiquitous in most human samples, except for kidneys and cerebrospinal fluid. In addition, the phenomenon of MNPs crossing barriers and their underlying mechanisms were discussed. We also summarized the potential factors that may affect the barrier crossing and health effects of MNPs, including characteristics of MNPs, exposure doses, administration routes, exposure durations, co-exposure to other pollutants, and genetic predisposition. Exposure to MNPs may cause cytotoxicity, neurotoxicity, and developmental and reproductive toxicity in mammals. People are encouraged to reduce their exposure to MNPs to prevent these adverse health effects. Finally, we discussed the shortcomings of current research on MNPs in humans, providing a valuable reference for understanding and evaluating the potential health risks from MNP exposure in mammals, including humans.
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Affiliation(s)
- Cui-Lan Bai
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China
| | - Dan Wang
- Hainan Branch, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Sanya, 572022, China
| | - Yu-Ling Luan
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China
| | - Si-Nan Huang
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China
| | - Liang-Ying Liu
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China
| | - Ying Guo
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China.
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Wang M, Wu Y, Li G, Xiong Y, Zhang Y, Zhang M. The hidden threat: Unraveling the impact of microplastics on reproductive health. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 935:173177. [PMID: 38750730 DOI: 10.1016/j.scitotenv.2024.173177] [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: 02/20/2024] [Revised: 04/20/2024] [Accepted: 05/10/2024] [Indexed: 05/27/2024]
Abstract
Microplastics, with intricate physical and chemical characteristics, infiltrate the food chain and extensively impact ecosystems. Despite acknowledging the link between environmental pollution and declining fertility, the specific mechanisms affecting reproductive health remain to be elucidated. This review emphasizes the global correlation between microplastics and subfertility, focusing on entry pathways and impacts on ecosystems. Research suggests that microplastics disrupt the neuroendocrine system, influencing sex hormone synthesis through the hypothalamic-pituitary-gonadal (HPG) axis. In the reproductive system, microplastics interfere with the blood-testis barrier, impairing spermatogenesis in males, and causing placental dysfunction, ovarian atrophy, endometrial hyperplasia, and fibrosis in females. Moreover, microplastics potentially affect offspring's lipid metabolism and reproductive functions. However, complex microplastic compositions and detection method limitations impede research progress. Mitigation strategies for reproductive effects, combined with addressing microplastic pollution through sustainable practices, are imperative. This review underscores the urgency of global initiatives and collaborative research to safeguard reproductive health amid escalating microplastic contamination.
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Affiliation(s)
- Mei Wang
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan 430071, Hubei, PR China; Hubei Clinical Medicine Research Center of Prenatal Diagnosis and Birth Health, Wuhan 430071, Hubei, PR China; Wuhan Clinical Research Center for Reproductive Health and Optimal Birth, Wuhan 430071, Hubei, PR China
| | - Ying Wu
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan 430071, Hubei, PR China; Hubei Clinical Medicine Research Center of Prenatal Diagnosis and Birth Health, Wuhan 430071, Hubei, PR China; Wuhan Clinical Research Center for Reproductive Health and Optimal Birth, Wuhan 430071, Hubei, PR China
| | - Guigui Li
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan 430071, Hubei, PR China; Hubei Clinical Medicine Research Center of Prenatal Diagnosis and Birth Health, Wuhan 430071, Hubei, PR China; Wuhan Clinical Research Center for Reproductive Health and Optimal Birth, Wuhan 430071, Hubei, PR China
| | - Yao Xiong
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan 430071, Hubei, PR China; Hubei Clinical Medicine Research Center of Prenatal Diagnosis and Birth Health, Wuhan 430071, Hubei, PR China; Wuhan Clinical Research Center for Reproductive Health and Optimal Birth, Wuhan 430071, Hubei, PR China
| | - Yuanzhen Zhang
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan 430071, Hubei, PR China; Hubei Clinical Medicine Research Center of Prenatal Diagnosis and Birth Health, Wuhan 430071, Hubei, PR China; Wuhan Clinical Research Center for Reproductive Health and Optimal Birth, Wuhan 430071, Hubei, PR China
| | - Ming Zhang
- Reproductive Medicine Center, Zhongnan Hospital of Wuhan University, Wuhan 430071, Hubei, PR China; Hubei Clinical Medicine Research Center of Prenatal Diagnosis and Birth Health, Wuhan 430071, Hubei, PR China; Wuhan Clinical Research Center for Reproductive Health and Optimal Birth, Wuhan 430071, Hubei, PR China.
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Daniels D, Berger Eberhardt A. Climate change, microplastics, and male infertility. Curr Opin Urol 2024:00042307-990000000-00170. [PMID: 38932480 DOI: 10.1097/mou.0000000000001201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
PURPOSE OF REVIEW Semen quality is on the decline. While the etiology is unknown, recent literature suggests there may be a relationship between climate change, environmental toxins and male fertility. This review relays new information regarding associations between our environment and male infertility. RECENT FINDINGS Several recent studies have documented a negative association between heat stress and spermatogenesis, which suggests that climate change may be a factor in declining in sperm counts. The influence of particle pollution on spermatogenesis has also been recently investigated, with studies demonstrating a negative association. Another possible factor are microplastics, which have been posited to reduce sperm production. Recent animal studies have shown that microplastic exposure alters both adult sperm production and prenatal male genital development. The relationship between endocrine disrupting chemicals and male fertility remains an area of active study, with recent animal and human studies suggesting an association between these chemicals and male fertility. SUMMARY The etiology of the decline in male fertility over the past decades is yet unknown. However, changes in our environment as seen with climate change and exposure to pollutants and endocrine disrupting chemicals are proposed mechanisms for this decline. Further studies are needed to investigate this association further.
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Affiliation(s)
| | - Alexandra Berger Eberhardt
- Member of the Faculty, Harvard Medical School, Associate Surgeon, Brigham and Women's Hospital Department of Urology, Boston, Massachusetts, USA
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Wu Q, Li R, You Y, Cheng W, Li Y, Feng Y, Fan Y, Wang Y. Lung microbiota participated in fibrous microplastics (MPs) aggravating OVA-induced asthma disease in mice. Food Chem Toxicol 2024; 190:114776. [PMID: 38851522 DOI: 10.1016/j.fct.2024.114776] [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: 03/17/2024] [Revised: 05/21/2024] [Accepted: 05/29/2024] [Indexed: 06/10/2024]
Abstract
Environmental pollution is one of the risk factors for asthma. Currently, whether micro-plastics could aggravate asthma, is still unclear. In the air, fibrous MPs are the predominant shape. Since fibrous micro-plastics are reported to be detected in the lower respiratory tract and other body parts, the relationship of fibrous MP and asthma, as well as the potential mechanism is not well investigated. In this study, we produced fibrous MPs, whose lengths and widths were in accordance with the natural environment, and further, investigated the potential adverse effect of which on the asthma in a OVA (ovalbumin)-induced mice model, aiming at exploring the true life hazard of MP to the respiratory system. Following nasal exposure to fibrous MPs, the airway inflammation, mucus hypersecretion and fibrosis were aggravated in asthmatic mice. Fibrous MPs exposure also significantly increased the levels of total IgE, and, cardinal Th2 and Th1 pro-inflammatory cytokines participated in the etiopathogenesis of allergic airway inflammation. In addition, MP fibers exposure induced lung epithelial cells apoptosis, disruption of epithelial barrier integrity and activation of NLRP3 related signaling pathways. Moreover, fibrous MPs significantly altered the bacterial composition at the genus level. Compared to the control group, the relative abundance of Escherichia-Shigella and Uncultured were decreased to 4.47% and 0.15% in OVA group, while Blautia and Prevotella were elevated to 4.96% and 2.94%. For the OVA + MPs group, the relative abundance of Blautia and Uncultured were decreased to 2.27% and 0.006%, while Prevotella was increased to 3.05%. Our study highlights the detrimental effect of fibrous MPs on asthmatic population and facilitates an indication of the latent mechanisms of fibrous MPs induced airway pathology.
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Affiliation(s)
- Qian Wu
- School of Public Health, Shanghai Jiao Tong University School of Medicine, China
| | - Rui Li
- The Ninth People's Hospital of Shanghai Jiao Tong University School of Medicine, China.
| | - Yifei You
- School of Public Health, Shanghai Jiao Tong University School of Medicine, China
| | - Wei Cheng
- School of Public Health, Shanghai Jiao Tong University School of Medicine, China
| | - Yan Li
- School of Public Health, Shanghai Jiao Tong University School of Medicine, China
| | - Yan Feng
- School of Public Health, Shanghai Jiao Tong University School of Medicine, China
| | - Yuqin Fan
- The Ninth People's Hospital of Shanghai Jiao Tong University School of Medicine, China
| | - Yan Wang
- The Ninth People's Hospital of Shanghai Jiao Tong University School of Medicine, China.
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Lin Z, Li Z, Ji S, Lo HS, Billah B, Sharmin A, Lui WY, Tse WKF, Fang JKH, Lai KP, Li L. Microplastics from face mask impairs sperm motility. MARINE POLLUTION BULLETIN 2024; 203:116422. [PMID: 38749155 DOI: 10.1016/j.marpolbul.2024.116422] [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: 02/02/2024] [Revised: 04/22/2024] [Accepted: 04/22/2024] [Indexed: 06/06/2024]
Abstract
The COVID-19 pandemic has resulted in unprecedented plastic pollution from single-used personal protective equipment (PPE), especially face masks, in coastal and marine environments. The secondary pollutants, microplastics from face masks (mask MP), rise concern about their detrimental effects on marine organisms, terrestrial organisms and even human. Using a mouse model, oral exposure to mask MP at two doses, 0.1 and 1 mg MP/day for 21 days, caused no change in animal locomotion, total weight, or sperm counts, but caused damage to sperm motility with increased curvilinear velocity (VCL). The high-dose mask MP exposure caused a significant decrease in linearity (LIN) of sperm motility. Further testicular transcriptomic analysis revealed perturbed pathways related to spermatogenesis, oxidative stress, inflammation, metabolism and energy production. Collectively, our findings substantiate that microplastics from face masks yield adverse effects on mammalian reproductive capacity, highlighting the need for improved plastic waste management and development of environmentally friendly materials.
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Affiliation(s)
- Ziyi Lin
- The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China; University of Chinese Academy of Sciences, Beijing, China
| | - Zijie Li
- The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Shuqin Ji
- The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Hoi Shing Lo
- Department of Environmental Science, Stockholm University, Stockholm, Sweden
| | - Baki Billah
- Department of Zoology, Jahangirnagar University, Savar, Dhaka, Bangladesh
| | - Ayesha Sharmin
- Department of Chemistry, Bangladesh University of Engineering and Technology, Dhaka, Bangladesh
| | - Wing-Yee Lui
- School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong
| | - William Ka Fai Tse
- Laboratory of Developmental Disorders and Toxicology, Center for Promotion of International Education and Research, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - James Kar-Hei Fang
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong; State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon Tong, Hong Kong
| | - Keng Po Lai
- Key Laboratory of Environmental Pollution and Integrative Omics, Guilin Medical University, Education Department of Guangxi Zhuang Autonomous Region, China.
| | - Lei Li
- The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China; University of Chinese Academy of Sciences, Beijing, China; Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, CAS Key Laboratory of Brain Connectome and Manipulation, Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen, China.
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Ma T, Cheng H, Kong L, Shen C, Jin H, Li H, Pan C, Liang J. Combined exposure of PS-MPs with NaF induces Sertoli cell death and dysfunction via ferroptosis and apoptosis. Toxicology 2024; 506:153849. [PMID: 38821197 DOI: 10.1016/j.tox.2024.153849] [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: 03/07/2024] [Revised: 05/22/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
The individual toxicity of sodium fluoride (NaF) and microplastics (MPs) has been extensively documented. Owing to their high specific surface area, widespread presence and durability, MPs can adsorb a broad spectrum of environmental contaminants into the organism. However, the combined toxicity of NaF and MPs has not been investigated. This study aimed to assess the effects of combined exposure to NaF and MPs on the function of testicular Sertoli cells (SCs) in male mice, and to investigate the underlying molecular mechanisms. The study revealed that combined exposure to NaF and MPs resulted in a decrease in the negative surface charge of MPs, along with an increase in the number of MPs entering the SCs. Through in vivo observation of the testicular pathological structure, spermatogenesis, and cell apoptosis in 180-day-old male mice, we discovered that combined exposure to NaF (80 mg/L) and MPs (10 mg/L) heightened reproductive toxicity compared to the individual exposure groups. This was evidenced by testicular structural defects, impaired spermatogenesis, and increased testicular cell apoptosis. Our in vitro studies showed that NaF (21 μg/mL) and MPs (100 μg/mL) synergistically induced SCs apoptosis and ferroptosis, leading to a reduction in SCs number and dysfunction. This ultimately resulted in structural and functional damage to the testes. Our findings demonstrate, for the first time, the synergistic effects of NaF and MPs on reproductive toxicity in mammals. These insights may provide valuable contributions to co-toxicity studies involving MPs and other environmental pollutants.
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Affiliation(s)
- Tan Ma
- Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Disease, Yangzhou University, Yangzhou, Jiangsu 225001, China
| | - Huixian Cheng
- Department of Anesthesiology, Yijishan Hospital of Wannan Medical College, No. 2 Zheshan Road, Wuhu, Anhui 241001, China
| | - Liang Kong
- Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Disease, Yangzhou University, Yangzhou, Jiangsu 225001, China
| | - Chenghao Shen
- Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Disease, Yangzhou University, Yangzhou, Jiangsu 225001, China
| | - Haibo Jin
- School of Public Health, Yangzhou University, Yangzhou 225000, China
| | - Hongliang Li
- Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Disease, Yangzhou University, Yangzhou, Jiangsu 225001, China
| | - Chun Pan
- Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Disease, Yangzhou University, Yangzhou, Jiangsu 225001, China.
| | - Jingyan Liang
- Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Institute of Translational Medicine, Medical College, Yangzhou University, Yangzhou, Jiangsu 225001, China; Jiangsu Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Treatment of Senile Disease, Yangzhou University, Yangzhou, Jiangsu 225001, China.
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Li N, Yang H, Dong Y, Wei B, Liang L, Yun X, Tian J, Zheng Y, Duan S, Zhang L. Prevalence and implications of microplastic contaminants in general human seminal fluid: A Raman spectroscopic study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 937:173522. [PMID: 38802004 DOI: 10.1016/j.scitotenv.2024.173522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 05/06/2024] [Accepted: 05/24/2024] [Indexed: 05/29/2024]
Abstract
Microplastics are ubiquitous environmental contaminants that have been detected in human semen from polluted areas, yet their prevalence and effects in the general population remain largely unexplored. To examine microplastic presence, abundance, polymer types, and associations with semen quality parameters in individuals without occupational exposures, this study was conducted by collecting semen samples from 40 participants undergoing premarital health assessments in Jinan, China. Raman microspectroscopy was employed to identify, quantify, and categorize microplastic polymers, sperm motility was assessed via computer-assisted analysis, and morphology was evaluated through Diff-Quik staining. Correlations between demographics, semen parameters, and microplastic content were examined by statistical analysis. We found that microplastics were detected in all semen samples, with 2 particles per sample (ranging from 0.72 to 7.02 μm). Eight distinct polymers were identified, with polystyrene (31 %) being most prevalent. Semen exposed to polystyrene demonstrated higher sperm progressive motility as compared to polyvinyl chloride exposure group (43.52 ± 14.21 % vs 19.04 ± 13.46 %). Sperm morphological abnormalities were observed but not significantly associated with specific plastic types. In conclusion, this study reveals microplastic contamination in semen from individuals without occupational exposure, with PS, PE, and PVC being the most prevalent and exhibiting differential correlations with sperm progressive motility, and highlight the need for further research into the potential reproductive impacts of microplastic exposure.
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Affiliation(s)
- Ning Li
- Clinical Medical Research Center for Women and Children Diseases, Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan 250001, China; Key Laboratory of Birth Defect Prevention and Genetic Medicine of Shandong Health Commission, Jinan 250001, China; School of Public Health, North China University of Science and Technology, Tangshan 063000, China
| | - Huijun Yang
- Clinical Medical Research Center for Women and Children Diseases, Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan 250001, China; Key Laboratory of Birth Defect Prevention and Genetic Medicine of Shandong Health Commission, Jinan 250001, China
| | - Yunling Dong
- Clinical Medical Research Center for Women and Children Diseases, Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan 250001, China; Key Laboratory of Birth Defect Prevention and Genetic Medicine of Shandong Health Commission, Jinan 250001, China
| | - Bin Wei
- Clinical Medical Research Center for Women and Children Diseases, Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan 250001, China; Key Laboratory of Birth Defect Prevention and Genetic Medicine of Shandong Health Commission, Jinan 250001, China
| | - Liyang Liang
- Department of Surgery-oncology, Tangshan Gongren Hospital Affiliated to Hebei Medical University, Tangshan 063000, China
| | - Xiang Yun
- School of Public Health, North China University of Science and Technology, Tangshan 063000, China
| | - Jiaqi Tian
- Clinical Medical Research Center for Women and Children Diseases, Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan 250001, China; Key Laboratory of Birth Defect Prevention and Genetic Medicine of Shandong Health Commission, Jinan 250001, China
| | - Yongfei Zheng
- School of Public Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250001, China
| | - Shuyin Duan
- School of Public Health, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250001, China
| | - Lin Zhang
- Clinical Medical Research Center for Women and Children Diseases, Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan 250001, China; Key Laboratory of Birth Defect Prevention and Genetic Medicine of Shandong Health Commission, Jinan 250001, China.
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Lin Z, Li Z, Ji S, Lo HS, Billah B, Sharmin A, Han X, Lui WY, Tse WKF, Fang JKH, Zhang C, Shang X, Lai KP, Li L. Size-dependent deleterious effects of nano- and microplastics on sperm motility. Toxicology 2024; 506:153834. [PMID: 38763425 DOI: 10.1016/j.tox.2024.153834] [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: 02/27/2024] [Revised: 04/30/2024] [Accepted: 05/15/2024] [Indexed: 05/21/2024]
Abstract
INTRODUCTION Growing concerns regarding the reproductive toxicity associated with daily life exposure to micro-/nano-plastics (abbreviated as MNPs) have become increasingly prevalent. In reality, MNPs exposure involves a heterogeneous mixture of MNPs of different sizes rather than a single size. METHODS In this study, an oral exposure mouse model was used to evaluate the effects of MNPs of four size ranges: 25-30 nm, 1-5 µm, 20-27 µm, and 125-150 µm. Adult male C57BL/6 J mice were administered environmentally relevant concentrations of 0.1 mg MNPs/day for 21 days. After that, open field test and computer assisted sperm assessment (CASA) were conducted. Immunohistochemical analyses of organ and cell type localization of MNPs were evaluated. Testicular transcriptome analysis was carried out to understand the molecular mechanisms. RESULTS Our result showed that MNPs of different size ranges all impaired sperm motility, with a decrease in progressive sperm motility, linearity and straight-line velocity of sperm movement. Alterations did not manifest in animal locomotion, body weight, or sperm count. Noteworthy effects were most pronounced in the smaller MNPs size ranges (25-30 nm and 1-5 µm). Linear regression analysis substantiated a negative correlation between the size of MNPs and sperm curvilinear activity. Immunohistochemical analysis unveiled the intrusions of 1-5 µm MNPs, but not 20-27 µm and 125-150 µm MNPs, into Leydig cells and testicular macrophages. Further testicular transcriptomic analysis revealed perturbations in pathways related to spermatogenesis, oxidative stress, and inflammation. Particularly within the 1-5 µm MNPs group, a heightened perturbation in pathways linked to spermatogenesis and oxidative stress was observed. CONCLUSIONS Our data support the size-dependent impairment of MNPs on sperm functionality, underscoring the pressing need for apprehensions about and interventions against the escalation of environmental micro-/nano-plastics contamination. This urgency is especially pertinent to small-sized MNPs.
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Affiliation(s)
- Ziyi Lin
- The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China; University of Chinese Academy of Sciences, Beijing, China
| | - Zijie Li
- The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Shuqin Ji
- The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Hoi Shing Lo
- Department of Environmental Science, Stockholm University, Stockholm, Sweden
| | - Baki Billah
- Department of Zoology, Jahangirnagar University, Savar, Dhaka, Bangladesh
| | - Ayesha Sharmin
- Department of Chemistry, Bangladesh University of Engineering and Technology, Dhaka, Bangladesh
| | - Xiaofang Han
- Core Laboratory, Shanxi Provincial People's Hospital (Fifth Hospital) of Shanxi Medical University, Taiyuan, China
| | - Wing-Yee Lui
- School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region of China
| | - William Ka Fai Tse
- Laboratory of Developmental Disorders and Toxicology, Center for Promotion of International Education and Research, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - James Kar-Hei Fang
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong Special Administrative Region of China; State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region of China
| | - Chunqiu Zhang
- Key Laboratory of Biomedical Imaging Science and System, Chinese Academy of Sciences, Shenzhen, China
| | - Xuejun Shang
- Department of Urology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, China.
| | - Keng Po Lai
- Key Laboratory of Environmental Pollution and Integrative Omics, Guilin Medical University, Education Department of Guangxi Zhuang Autonomous Region, China.
| | - Lei Li
- The Brain Cognition and Brain Disease Institute, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China; University of Chinese Academy of Sciences, Beijing, China; Guangdong Provincial Key Laboratory of Brain Connectome and Behavior, CAS Key Laboratory of Brain Connectome and Manipulation, Shenzhen, China; Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen, China.
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Lv J, He Q, Yan Z, Xie Y, Wu Y, Li A, Zhang Y, Li J, Huang Z. Inhibitory Impact of Prenatal Exposure to Nano-Polystyrene Particles on the MAP2K6/p38 MAPK Axis Inducing Embryonic Developmental Abnormalities in Mice. TOXICS 2024; 12:370. [PMID: 38787149 PMCID: PMC11125576 DOI: 10.3390/toxics12050370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 05/14/2024] [Accepted: 05/15/2024] [Indexed: 05/25/2024]
Abstract
Nanoplastics, created by the fragmentation of larger plastic debris, are a serious pollutant posing substantial environmental and health risks. Here, we developed a polystyrene nanoparticle (PS-NP) exposure model during mice pregnancy to explore their effects on embryonic development. We found that exposure to 30 nm PS-NPs during pregnancy resulted in reduced mice placental weight and abnormal embryonic development. Subsequently, our transcriptomic dissection unveiled differential expression in 102 genes under PS-NP exposure and the p38 MAPK pathway emerged as being significantly altered in KEGG pathway mapping. Our findings also included a reduction in the thickness of the trophoblastic layer in the placenta, diminished cell invasion capabilities, and an over-abundance of immature red cells in the blood vessels of the mice. In addition, we validated our findings through the human trophoblastic cell line, HTR-8/SVneo (HTR). PS-NPs induced a drop in the vitality and migration capacities of HTR cells and suppressed the p38 MAPK signaling pathway. This research highlights the embryotoxic effects of nanoplastics on mice, while the verification results from the HTR cells suggest that there could also be certain impacts on the human trophoblast layer, indicating a need for further exploration in this area.
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Affiliation(s)
- Junyi Lv
- Key Laboratory of Human Genetics and Environmental Medicine, School of Public Health, Xuzhou Medical University, Xuzhou 221004, China; (J.L.); (Q.H.); (Z.Y.); (Y.X.); (A.L.); (J.L.)
| | - Qing He
- Key Laboratory of Human Genetics and Environmental Medicine, School of Public Health, Xuzhou Medical University, Xuzhou 221004, China; (J.L.); (Q.H.); (Z.Y.); (Y.X.); (A.L.); (J.L.)
| | - Zixiang Yan
- Key Laboratory of Human Genetics and Environmental Medicine, School of Public Health, Xuzhou Medical University, Xuzhou 221004, China; (J.L.); (Q.H.); (Z.Y.); (Y.X.); (A.L.); (J.L.)
| | - Yuan Xie
- Key Laboratory of Human Genetics and Environmental Medicine, School of Public Health, Xuzhou Medical University, Xuzhou 221004, China; (J.L.); (Q.H.); (Z.Y.); (Y.X.); (A.L.); (J.L.)
| | - Yao Wu
- School of Medical Imaging, Xuzhou Medical University, Xuzhou 221004, China
| | - Anqi Li
- Key Laboratory of Human Genetics and Environmental Medicine, School of Public Health, Xuzhou Medical University, Xuzhou 221004, China; (J.L.); (Q.H.); (Z.Y.); (Y.X.); (A.L.); (J.L.)
| | - Yuqing Zhang
- Department of Obstetrics and Gynecology, Women’s Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing 210004, China;
| | - Jing Li
- Key Laboratory of Human Genetics and Environmental Medicine, School of Public Health, Xuzhou Medical University, Xuzhou 221004, China; (J.L.); (Q.H.); (Z.Y.); (Y.X.); (A.L.); (J.L.)
| | - Zhenyao Huang
- Key Laboratory of Human Genetics and Environmental Medicine, School of Public Health, Xuzhou Medical University, Xuzhou 221004, China; (J.L.); (Q.H.); (Z.Y.); (Y.X.); (A.L.); (J.L.)
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10
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Yao K, Kang Q, Liu W, Chen D, Wang L, Li S. Chronic exposure to tire rubber-derived contaminant 6PPD-quinone impairs sperm quality and induces the damage of reproductive capacity in male mice. JOURNAL OF HAZARDOUS MATERIALS 2024; 470:134165. [PMID: 38574660 DOI: 10.1016/j.jhazmat.2024.134165] [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: 02/08/2024] [Revised: 03/13/2024] [Accepted: 03/27/2024] [Indexed: 04/06/2024]
Abstract
It has been reported that N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine-quinone (6PPD-Q), a derivative of the tire antioxidant, N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine (6PPD), exhibits acute toxicity towards organisms. However, the possible reproductive toxicity of 6PPD-Q in mammals has rarely been reported. In this study, the effects of 6PPD-Q on the reproductive toxicity of C57Bl/6 male mice were assessed after exposure to 6PPD-Q for 40 days at 4 mg/kg body weight (bw). Exposure to 6PPD-Q not only led to a decrease in testosterone levels but also adversely affected semen quality and in vitro fertilization (IVF) outcomes, thereby indicating impaired male fertility resulting from 6PPD-Q exposure. Additionally, transcriptomic and metabolomic analyses revealed that 6PPD-Q elicited differential expression of genes and metabolites primarily enriched in spermatogenesis, apoptosis, arginine biosynthesis, and sphingolipid metabolism in the testes of mice. In conclusion, our study reveals the toxicity of 6PPD-Q on the reproductive capacity concerning baseline endocrine disorders, sperm quality, germ cell apoptosis, and the sphingolipid signaling pathway in mice. These findings contribute to an enhanced understanding of the health hazards posed by 6PPD-Q to mammals, thereby facilitating the development of more robust safety regulations governing the utilization and disposal of rubber products.
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Affiliation(s)
- Kezhen Yao
- Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China; Department of Reproductive Endocrinology, Key Laboratory of Reproductive Genetics, Ministry of Education, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
| | - Quanmin Kang
- Department of Reproductive Endocrinology, Key Laboratory of Reproductive Genetics, Ministry of Education, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Wenbo Liu
- Key Laboratory of Recycling and Eco-treatment of Waste Biomass of Zhejiang Province, School of Environmental and Natural Resources, Zhejiang University of Science & Technology, Hangzhou, China
| | - Danna Chen
- Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China; Department of Reproductive Endocrinology, Key Laboratory of Reproductive Genetics, Ministry of Education, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Lefeng Wang
- Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China; Department of Reproductive Endocrinology, Key Laboratory of Reproductive Genetics, Ministry of Education, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Shun Li
- Department of Reproductive Endocrinology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, China; Department of Reproductive Endocrinology, Key Laboratory of Reproductive Genetics, Ministry of Education, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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11
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V L Leonard S, Liddle CR, Atherall CA, Chapman E, Watkins M, D J Calaminus S, Rotchell JM. Microplastics in human blood: Polymer types, concentrations and characterisation using μFTIR. ENVIRONMENT INTERNATIONAL 2024; 188:108751. [PMID: 38761430 DOI: 10.1016/j.envint.2024.108751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 05/12/2024] [Accepted: 05/12/2024] [Indexed: 05/20/2024]
Abstract
Microplastics (MPs) are an everyday part of life, and are now ubiquitous in the environment. Crucially, MPs have not just been found within the environment, but also within human bodies, including the blood. We aimed to provide novel information on the range of MP polymer types present, as well as their size and shape characteristics, in human whole blood from 20 healthy volunteers. Twenty-four polymer types were identified from 18 out of 20 (90 %) donors and quantified in blood, with the majority observed for the first time. Using an LOQ approach, five polymer types met the threshold with a lower mean ± SD of 2466 ± 4174 MP/L. The concentrations of plastics analysed in blood samples ranged from 1.84 - 4.65 μg/mL. Polyethylene (32 %), ethylene propylene diene (14 %), and ethylene-vinyl-acetate/alcohol (12 %) fragments were the most abundant. MP particles that were identified within the blood samples had a mean particle length of 127.99 ± 293.26 µm (7-3000 µm), and a mean particle width of 57.88 ± 88.89 µm (5-800 µm). The MPs were predominantly categorised as fragments (88 %) and were white/clear (79 %). A variety of plastic additive chemicals were identified including endocrine disrupting-classed phthalates. The procedural blank samples comprised 7 polymer types, that were distinct from those identified in blood, mainly resin (25 %), polyethylene terephthalate (17 %), and polystyrene (17 %) with a mean ± SD of 4.80 ± 5.59 MP/L. This study adds to the growing evidence that MPs are taken up into the human body and are transported via the bloodstream. The shape and sizes of the particles raise important questions with respect to their presence and associated hazards in terms of potential detrimental impacts such as vascular inflammation, build up within major organs, and changes to either immune cell response, or haemostasis and thrombosis.
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Affiliation(s)
- Sophie V L Leonard
- Centre for Biomedicine, Hull York Medical School, University of Hull, Kingston-upon-Hull, HU6 7RX, United Kingdom
| | - Catriona R Liddle
- Centre for Biomedicine, Hull York Medical School, University of Hull, Kingston-upon-Hull, HU6 7RX, United Kingdom
| | - Charlotte A Atherall
- Centre for Biomedicine, Hull York Medical School, University of Hull, Kingston-upon-Hull, HU6 7RX, United Kingdom
| | - Emma Chapman
- School of Natural Sciences, University of Hull, Kingston-upon-Hull, HU6 7RX, United Kingdom
| | - Matthew Watkins
- College of Health and Science, University of Lincoln, Brayford Pool, Lincoln, LN6 7TS, United Kingdom
| | - Simon D J Calaminus
- Centre for Biomedicine, Hull York Medical School, University of Hull, Kingston-upon-Hull, HU6 7RX, United Kingdom.
| | - Jeanette M Rotchell
- School of Natural Sciences, University of Hull, Kingston-upon-Hull, HU6 7RX, United Kingdom; College of Health and Science, University of Lincoln, Brayford Pool, Lincoln, LN6 7TS, United Kingdom.
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12
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Paul I, Mondal P, Haldar D, Halder G. Beyond the cradle - Amidst microplastics and the ongoing peril during pregnancy and neonatal stages: A holistic review. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133963. [PMID: 38461669 DOI: 10.1016/j.jhazmat.2024.133963] [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: 12/18/2023] [Revised: 02/28/2024] [Accepted: 03/04/2024] [Indexed: 03/12/2024]
Abstract
Advancements in research concerning the occurrence of microplastics (MPs) in human blood, sputum, urine, and breast milk samples have piqued the interest of the scientific community, prompting further investigation. MPs present in the placenta, amniotic fluid, and meconium raise concerns about interference with embryonic development, leading to preeclampsia, stillbirth, preterm birth, and spontaneous abortion. The challenges posed by MPs extend beyond pregnancy, affecting the digestive, reproductive, circulatory, immune, and central nervous systems. This has spurred scientists to examine the origins of MPs in distinct environmental layers, including air, water, and soil. These risks continue after birth, as neonates are continuously exposed to MPs through everyday items such as breast milk, cow milk and infant milk powder, as well as plastic-based products like feeding bottles and breast milk storage bags. It is the need of the hour to strike a balance amidst lifestyle changes, alternative choices to traditional plastic products, raising awareness about plastic-related health risks, and fostering collaboration between the scientific community and policymakers. This review aims to provide fresh insights into potential sources of MP pollution, with a specific focus on pregnancy and neonates. It is the first compilation of its kind so far that includes critical studies on recently reported discoveries.
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Affiliation(s)
- Indrani Paul
- Department of Biotechnology, Brainware University, Kolkata 700125, West Bengal, India
| | - Pritam Mondal
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India
| | - Dibyajyoti Haldar
- Division of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore 641114, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India.
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13
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Shukla S, Pei Y, Li WG, Pei DS. Toxicological Research on Nano and Microplastics in Environmental Pollution: Current Advances and Future Directions. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 270:106894. [PMID: 38492287 DOI: 10.1016/j.aquatox.2024.106894] [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: 02/10/2024] [Revised: 03/06/2024] [Accepted: 03/10/2024] [Indexed: 03/18/2024]
Abstract
This review explains the sources of nanoplastics (NPs) and microplastics (MPs), their release, fate, and associated health risks in the aquatic environment. In the 21st century, scientists are grappling with a major challenge posed by MPs and NPs. The global production of plastic has skyrocketed from 1.5 million tons in the 1950s to an astonishing 390.7 million tons in 2021. This pervasive presence of these materials in our environment has spurred scientific inquiry into their potentially harmful effects on living organisms. Studies have revealed that while MPs, with their larger surface area, are capable of absorbing contaminants and pathogens from the surroundings, NPs can easily be transferred through the food chain. As a result, living organisms may ingest them and accumulate them within their bodies. Due to their minuscule size, NPs are particularly difficult to isolate and quantify. Furthermore, exposure to both NPs and MPs has been linked to various adverse health effects in aquatic species, including neurological impairments, disruption of lipid and energy metabolism, and increased susceptibility to cytotoxicity, oxidative stress, inflammation, and reactive oxygen species (ROS) production. It is alarming to note that MPs have even been detected in commercial fish, highlighting the severity of this issue. There are also challenges associated with elucidating the toxicological effects of NPs and MPs, which are discussed in detail in this review. In conclusion, plastic pollution is a pressing issue that governments should tackle by ensuring proper implementation of rules and regulations at national and provincial levels to reduce its health risks.
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Affiliation(s)
- Saurabh Shukla
- School of Public Health, Chongqing Medical University, Chongqing 400016, China; College of Life Science, Henan Normal University, Xinxiang 453007, Henan, China.; Department of Forensic Science, School of Bioengineering and Biosciences, Lovely Professional University, Jalandhar, India
| | - Yang Pei
- Chongqing No.11 Middle School, Chongqing 400061, China
| | - Wei-Guo Li
- College of Life Science, Henan Normal University, Xinxiang 453007, Henan, China
| | - De-Sheng Pei
- School of Public Health, Chongqing Medical University, Chongqing 400016, China.
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14
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Gao D, Zhang C, Guo H, Xu H, Liu H, Wang Z, Xu B, Gang W. Low-dose polystyrene microplastics exposure impairs fertility in male mice with high-fat diet-induced obesity by affecting prostate function. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 346:123567. [PMID: 38367694 DOI: 10.1016/j.envpol.2024.123567] [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: 10/12/2023] [Revised: 02/06/2024] [Accepted: 02/12/2024] [Indexed: 02/19/2024]
Abstract
The harmful effects of microplastics (MPs) on male fertility are receiving more and more attention. However, the impact of low-dose MPs exposure on the reproductive function of male mice is still unclear. In this study, we exposed male mice to low-dose MPs (25-30 μg/kg body weight/day) or low-dose MPs combined with high-fat diet (HFD) feeding. Our results showed that low-dose MPs exposure or HFD feeding significantly reduced sperm quality and the number of offspring born, while low-dose MPs exposure combined with HFD feeding further enhanced the above effects. The combination of low-dose MPs exposure and HFD feeding resulted in a notable elevation of inflammatory level within the prostate of mice and induced apoptosis of prostate epithelium and a decrease in nutrients (zinc, citrate) in seminal plasma fluid. Our findings in this study could provide valuable clues for better understanding the influence of low-dose MPs exposure on the reproductive system under metabolic disorders and facilitate the development of the prevention of reproductive toxicity caused by MPs exposure.
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Affiliation(s)
- Dajun Gao
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China.
| | - Caoxu Zhang
- Department of Molecular Diagnostics, The Core Laboratory in Medical Center of Clinical Research, Department of Endocrinology, Shanghai Ninth People's Hospital, State Key Laboratory of Medical Genomics, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China.
| | - Huaqi Guo
- Department of Respiratory Medicine, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, 639 Zhizaoju Lu, Shanghai, 200011, China.
| | - Huan Xu
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China.
| | - Hui Liu
- Bengbu Medical College Key Laboratory of Cancer Research and Clinical Laboratory Diagnosis, Department of Biochemistry and Molecular Biology, School of Laboratory Medicine, Bengbu Medical College, Bengbu, 233030, China.
| | - Zhong Wang
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China.
| | - Bin Xu
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200011, China.
| | - Wei Gang
- Beijing Key Laboratory of Diabetes Research and Care, Department of Endocrinology, Beijing Diabetes Institute, Beijing Tongren Hospital, Capital Medical University, Beijing, 100005, China; Department of Endocrinology and Metabolism, Shanghai Fourth People's Hospital Affiliated to Tongji University School of Medicine, Shanghai, China.
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15
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Wan S, Wang X, Chen W, Wang M, Zhao J, Xu Z, Wang R, Mi C, Zheng Z, Zhang H. Exposure to high dose of polystyrene nanoplastics causes trophoblast cell apoptosis and induces miscarriage. Part Fibre Toxicol 2024; 21:13. [PMID: 38454452 PMCID: PMC10921758 DOI: 10.1186/s12989-024-00574-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 02/26/2024] [Indexed: 03/09/2024] Open
Abstract
BACKGROUND With rapid increase in the global use of various plastics, microplastics (MPs) and nanoplastics (NPs) pollution and their adverse health effects have attracted global attention. MPs have been detected out in human body and both MPs and NPs showed female reproductive toxicological effects in animal models. Miscarriage (abnormal early embryo loss), accounting for 15-25% pregnant women worldwide, greatly harms human reproduction. However, the adverse effects of NPs on miscarriage have never been explored. RESULTS In this study, we identified that polystyrene (PS) plastics particles were present in women villous tissues. Their levels were higher in villous tissues of unexplained recurrent miscarriage (RM) patients vs. healthy control (HC) group. Furthermore, mouse assays further confirmed that exposure to polystyrene nanoplastics (PS-NPs, 50 nm in diameter, 50 or 100 mg/kg) indeed induced miscarriage. In mechanism, PS-NPs exposure (50, 100, 150, or 200 µg/mL) increased oxidative stress, decreased mitochondrial membrane potential, and increased apoptosis in human trophoblast cells by activating Bcl-2/Cleaved-caspase-2/Cleaved-caspase-3 signaling through mitochondrial pathway. The alteration in this signaling was consistent in placental tissues of PS-NPs-exposed mouse model and in villous tissues of unexplained RM patients. Supplement with Bcl-2 could efficiently suppress apoptosis in PS-NPs-exposed trophoblast cells and reduce apoptosis and alleviate miscarriage in PS-NPs-exposed pregnant mouse model. CONCLUSIONS Exposure to PS-NPs activated Bcl-2/Cleaved-caspase-2/Cleaved-caspase-3, leading to excessive apoptosis in human trophoblast cells and in mice placental tissues, further inducing miscarriage.
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Affiliation(s)
- Shukun Wan
- Research Center for Environment and Female Reproductive Health, the Eighth Affiliated Hospital, Sun Yat-sen University, 518033, Shenzhen, China
- Key Laboratory of Environment and Female Reproductive Health, West China School of Public Health & West China Fourth Hospital, Sichuan University, 610041, Chengdu, China
| | - Xiaoqing Wang
- Research Center for Environment and Female Reproductive Health, the Eighth Affiliated Hospital, Sun Yat-sen University, 518033, Shenzhen, China
- Key Laboratory of Environment and Female Reproductive Health, West China School of Public Health & West China Fourth Hospital, Sichuan University, 610041, Chengdu, China
| | - Weina Chen
- Research Center for Environment and Female Reproductive Health, the Eighth Affiliated Hospital, Sun Yat-sen University, 518033, Shenzhen, China
- Key Laboratory of Environment and Female Reproductive Health, West China School of Public Health & West China Fourth Hospital, Sichuan University, 610041, Chengdu, China
| | - Manli Wang
- Research Center for Environment and Female Reproductive Health, the Eighth Affiliated Hospital, Sun Yat-sen University, 518033, Shenzhen, China
| | - Jingsong Zhao
- Research Center for Environment and Female Reproductive Health, the Eighth Affiliated Hospital, Sun Yat-sen University, 518033, Shenzhen, China
| | - Zhongyan Xu
- Research Center for Environment and Female Reproductive Health, the Eighth Affiliated Hospital, Sun Yat-sen University, 518033, Shenzhen, China
| | - Rong Wang
- Research Center for Environment and Female Reproductive Health, the Eighth Affiliated Hospital, Sun Yat-sen University, 518033, Shenzhen, China
| | - Chenyang Mi
- Research Center for Environment and Female Reproductive Health, the Eighth Affiliated Hospital, Sun Yat-sen University, 518033, Shenzhen, China
| | - Zhaodian Zheng
- Research Center for Environment and Female Reproductive Health, the Eighth Affiliated Hospital, Sun Yat-sen University, 518033, Shenzhen, China
| | - Huidong Zhang
- Research Center for Environment and Female Reproductive Health, the Eighth Affiliated Hospital, Sun Yat-sen University, 518033, Shenzhen, China.
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16
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Hu Y, Shen M, Wang C, Huang Q, Li R, Dorj G, Gombojav E, Du J, Ren L. A meta-analysis-based adverse outcome pathway for the male reproductive toxicity induced by microplastics and nanoplastics in mammals. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133375. [PMID: 38160553 DOI: 10.1016/j.jhazmat.2023.133375] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/14/2023] [Accepted: 12/24/2023] [Indexed: 01/03/2024]
Abstract
The male reproductive toxicity of microplastics (MPs) and nanoplastics (NPs) has attracted great attention, but the latent mechanisms remain fragmented. This review performed the adverse outcome pathway (AOP) analysis and meta-analysis in 39 relevant studies, with the AOP analysis to reveal the cause-and-effect relationships of MPs/NPs-induced male reproductive toxicity and the meta-analysis to quantify the toxic effects. In the AOP framework, increased reactive oxygen species (ROS) is the molecular initiating event (MIE), which triggered several key events (KEs) at different levels. At the cellular level, the KEs included oxidative stress, mitochondrial dysfunction, sperm DNA damage, endoplasmic reticulum stress, apoptosis and autophagy of testicular cells, repressed expression of steroidogenic enzymes and steroidogenic acute regulatory protein, disrupted hypothalamic-pituitary-testicular (HPT) axis, and gut microbiota alteration. These KEs further induced the reduction of testosterone, impaired blood-testis barrier (BTB), testicular inflammation, and impaired spermatogenesis at tissue/organ levels. Ultimately, decreased sperm quality or quantity was noted and proved by meta-analysis, which demonstrated that MPs/NPs led to a decrease of 5.99 million/mL in sperm concentration, 14.62% in sperm motility, and 23.56% in sperm viability, while causing an increase of 10.65% in sperm abnormality rate. Overall, this is the first AOP for MPs/NPs-mediated male reproductive toxicity in mammals. The innovative integration of meta-analysis into the AOP analysis increases the rigorism of the results.
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Affiliation(s)
- Yinchu Hu
- School of Nursing, Peking University, Beijing 100191, China
| | - Meidi Shen
- School of Nursing, Peking University, Beijing 100191, China
| | - Chongkun Wang
- School of Nursing, Peking University, Beijing 100191, China
| | - Qifang Huang
- School of Nursing, Peking University, Beijing 100191, China
| | - Ruiqiong Li
- School of Nursing, Peking University, Beijing 100191, China
| | - Gantuya Dorj
- School of Public Health, Mongolian National University of Medical Sciences, Ulaanbaatar 14210, Mongolia
| | - Enkhjargal Gombojav
- School of Public Health, Mongolian National University of Medical Sciences, Ulaanbaatar 14210, Mongolia
| | - Jiwei Du
- Nursing Department, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518040, China
| | - Lihua Ren
- School of Nursing, Peking University, Beijing 100191, China.
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17
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Liang J, Ji F, Wang H, Zhu T, Rubinstein J, Worthington R, Abdullah ALB, Tay YJ, Zhu C, George A, Li Y, Han M. Unraveling the threat: Microplastics and nano-plastics' impact on reproductive viability across ecosystems. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 913:169525. [PMID: 38141979 DOI: 10.1016/j.scitotenv.2023.169525] [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: 10/03/2023] [Revised: 12/16/2023] [Accepted: 12/18/2023] [Indexed: 12/25/2023]
Abstract
Plastic pollution pervades both marine and terrestrial ecosystems, fragmenting over time into microplastics (MPs) and nano-plastics (NPs). These particles infiltrate organisms via ingestion, inhalation, and dermal absorption, predominantly through the trophic interactions. This review elucidated the impacts of MPs/NPs on the reproductive viability of various species. MPs/NPs lead to reduced reproduction rates, abnormal larval development and increased mortality in aquatic invertebrates. Microplastics cause hormone secretion disorders and gonadal tissue damage in fish. In addition, the fertilization rate of eggs is reduced, and the larval deformity rate and mortality rate are increased. Male mammals exposed to MPs/NPs exhibit testicular anomalies, compromised sperm health, endocrine disturbances, oxidative stress, inflammation, and granulocyte apoptosis. In female mammals, including humans, exposure culminates in ovarian and uterine deformities, endocrine imbalances, oxidative stress, inflammation, granulosa cell apoptosis, and tissue fibrogenesis. Rodent offspring exposed to MPs experience increased mortality rates, while survivors display metabolic perturbations, reproductive anomalies, and weakened immunity. These challenges are intrinsically linked to the transgenerational conveyance of MPs. The ubiquity of MPs/NPs threatens biodiversity and, crucially, jeopardizes human reproductive health. The current findings underscore the exigency for comprehensive research and proactive interventions to ameliorate the implications of these pollutants.
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Affiliation(s)
- Ji Liang
- Universiti Sains Malaysia, Minden, Penang 11800, Malaysia
| | - Feng Ji
- Zhongda Hospital, Medical School, Southeast University, Nanjing 210009, China
| | - Hong Wang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China
| | - Tian Zhu
- Universiti Sains Malaysia, Minden, Penang 11800, Malaysia
| | - James Rubinstein
- College of Arts and Sciences, Harvard University, Cambridge, MA 02138, USA
| | - Richard Worthington
- School of Humanities and Sciences, Stanford university, Stanford, CA 94305, USA
| | | | - Yi Juin Tay
- Universiti Sains Malaysia, Minden, Penang 11800, Malaysia
| | - Chenxin Zhu
- Universiti Sains Malaysia, Minden, Penang 11800, Malaysia.
| | - Andrew George
- Department of Biology, University of Oxford, 11a Mansfield Road, OX12JD, UK
| | - Yiming Li
- School of Life Science, East China Normal University, Shanghai 200241, China
| | - Mingming Han
- Universiti Sains Malaysia, Minden, Penang 11800, Malaysia.
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18
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Wu Q, Liu C, Liu D, Wang Y, Qi H, Liu X, Zhang Y, Chen H, Zeng Y, Li J. Polystyrene nanoplastics-induced lung apoptosis and ferroptosis via ROS-dependent endoplasmic reticulum stress. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169260. [PMID: 38086481 DOI: 10.1016/j.scitotenv.2023.169260] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 01/18/2024]
Abstract
It has been shown that exposure to nanoplastics (MNPs) through inhalation can induce pulmonary toxicity, but the toxicological mechanism of MNPs on the respiratory system remains unclear. Therefore, we explored the toxicological mechanism of exposure to polystyrene nanoplastics (PS-NPs) (0.05, 0.15, 0.2 mg/mL) on BEAS-2B cells. Results revealed that PS-NPs induce oxidative stress, increased apoptosis rate measured by flow cytometry, the key ferroptosis protein (GPX4 and FTH1) reduction, increased iron content, mitochondrial alterations, and increased malondialdehyde (MDA) level. Besides, consistent results were observed in mice exposed to PS-NPs (5 mg/kg/2d, 10 mg/kg/2d). Thus, we proved that PS-NPs induced cell death and lung damage through apoptosis and ferroptosis. In terms of mechanism, the elevation of the endoplasmic reticulum (ER) stress protein expression (IRE1α, PERK, XBP1S, and CHOP) revealed that PS-NPs induce lung damage by activating the two main ER stress pathways. Furthermore, the toxicological effects of PS-NPs observed in this study are attenuated by the ROS inhibitor N-acetylcysteine (NAC). Collectively, NPs-induced apoptosis and ferroptosis are attenuated by NAC via inhibiting the ROS-dependent ER stress in vitro and in vivo. This improves our understanding of the mechanism by which PS-NPs exposure leads to pulmonary injury and the potential protective effects of NAC.
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Affiliation(s)
- Qiumei Wu
- Brain Science and Advanced Technology Institute, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Chao Liu
- Brain Science and Advanced Technology Institute, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Dan Liu
- Brain Science and Advanced Technology Institute, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Yougang Wang
- Brain Science and Advanced Technology Institute, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Haomin Qi
- Brain Science and Advanced Technology Institute, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Xudong Liu
- Department of Brewing Engineering, Moutai Institute, Renhuai 564507, China
| | - Yuchao Zhang
- Department of Brewing Engineering, Moutai Institute, Renhuai 564507, China
| | - Haiyu Chen
- Brain Science and Advanced Technology Institute, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Yan Zeng
- Brain Science and Advanced Technology Institute, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, China.
| | - Jinquan Li
- Brain Science and Advanced Technology Institute, Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Medicine, Wuhan University of Science and Technology, Wuhan 430065, China.
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Ding R, Chen Y, Shi X, Li Y, Yu Y, Sun Z, Duan J. Size-dependent toxicity of polystyrene microplastics on the gastrointestinal tract: Oxidative stress related-DNA damage and potential carcinogenicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169514. [PMID: 38135073 DOI: 10.1016/j.scitotenv.2023.169514] [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: 11/02/2023] [Revised: 12/16/2023] [Accepted: 12/17/2023] [Indexed: 12/24/2023]
Abstract
Microplastics (MPs) and nanoplastics (NPs) have been generally regarded as emerging pollutants and received worldwide attention in recent years. Water and food consumption are the primary pathways for human exposure to MPs/NPs, thus gastrointestinal tracts may be susceptible to their toxicity. Although the recent report has indicated the presence of MPs/NPs in multiple human organs, little is known about their gastric effects. Therefore, this study focused on the adverse effects of polystyrene microplastics (PS-MPs) on gastric epithelium in vivo and in vitro. Surface-enhanced Raman spectroscopy (SERS) revealed the distribution of PS-MPs was associated with their particle sizes, and predominantly concentrated in gastric tissues. Gastric barrier injury and mitochondrial damage were observed in rats after exposure to PS-MPs. Compared with the larger ones, polystyrene nanoplastics (PS-NPs) more significantly reduced the activity of antioxidant enzymes while enhancing the level of MDA, 8-OhdG and γ-H2AX. Meanwhile, PS-MPs caused upregulation of β-catenin/YAP through redox-dependent regulation of nucleoredoxin (NXN) and dishevelled (Dvl). These findings supported the size-dependent effects of PS-MPs on oxidative stress and DNA damage. Moreover, the redox-dependent activation of the β-catenin/YAP cascade suggested a novel toxic mechanism for PS-MPs and implied the potential carcinogenic effects.
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Affiliation(s)
- Ruiyang Ding
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Yueyue Chen
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Xuemin Shi
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Yang Li
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Yang Yu
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China
| | - Zhiwei Sun
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China.
| | - Junchao Duan
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, PR China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, PR China.
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20
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Li N, Sun DM, Chang YZ, Li XN, Li JL, Wang TQ. Di-(2-ethylhexyl) phthalate exacerbates abnormalities of testicular development in F1 males via inhibition the Wnt/β-catenin signaling pathway. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123170. [PMID: 38135137 DOI: 10.1016/j.envpol.2023.123170] [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: 09/07/2023] [Revised: 12/12/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023]
Abstract
The theory of "Developmental Origins of Health and Disease (DOHaD)" espouses that environmental exposures to toxicants during critical developmental stages can affect health outcomes in adulthood. Di (2-ethylhexyl) phthalate (DEHP) is a plasticizer that can be transferred to developing organisms via the placenta and breast milk as an environmental endocrine disruptor. We herein implemented a cross-fostering model to decipher the contributions of prenatal vs. postnatal exposure to low or high dose DEHP (30 or 500 mg/kg-bw•d) on reproductive outcomes in male offspring and the underlying mechanism of action. Unexpectedly, we observed that postnatal DEHP exposure programmed weight gain in a dose-dependent manner, in-utero exposure to high dose DEHP appeared to constitute a significant factor in the weight loss of male offspring. Moreover, in the low dose group, offspring of control that were suckled by DEHP dams (CC-DE) generated a considerable number of adverse reproductive outcomes compared with the offspring of DEHP that were suckled by control dams (DE-CC), based on histopathologic alterations in the testis, blockage of sex hormone secretion, and transcriptional inhibition of steroid-hormone-related factors in the hypothalamic-pituitary-testicular (HPT) axis. However, DE-CC group affected reproductive dysfunction in male offspring more so than CC-DE in the high dose group. Mechanistically, DEHP contributed to the inhibition of steroidogenesis by perturbing the Wnt/β-catenin-signaling pathway. These studies confirm the sensitivity window in which future reproductive outcomes in offspring are influenced following developmental exposure to DEHP at two different dosages, and reveals a critical role for the Wnt/β-catenin signaling pathway in DEHP-induced male reproductive disorders.
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Affiliation(s)
- Nan Li
- Center of laboratory animal, National Research Institute for Family Planning, Beijing, 100081, PR China.
| | - De-Ming Sun
- Center of laboratory animal, National Research Institute for Family Planning, Beijing, 100081, PR China
| | - Yong-Zhang Chang
- Center of laboratory animal, National Research Institute for Family Planning, Beijing, 100081, PR China
| | - Xue-Nan Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Jin-Long Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Tian-Qi Wang
- Center of laboratory animal, National Research Institute for Family Planning, Beijing, 100081, PR China.
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21
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Zhang X, He X, Pan D, Shi L, Wu Y, Yang Y, Zhu Y, Wang Y, Wang H, Pu L, He S, Meng L, Li J. Effects of thermal exposure to disposable plastic tableware on human gut microbiota and metabolites: A quasi-experimental study. JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132800. [PMID: 37866144 DOI: 10.1016/j.jhazmat.2023.132800] [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: 07/28/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023]
Abstract
The aim of this quasi-experimental study was to determine the alterations in gut microbiota and metabolism in humans who consume hot food served in disposable plastic tableware (DPT). Participants in the exposure and control groups were provided three hot meals in DPT (n = 30) or non-DPT (n = 30), respectively. After a month of observation, individuals in the exposure group discontinued the three meals provided in DPT (n = 27) for 1 month as the post-exposure group. Fecal samples were collected and tested for microplastics (MPs) detection using LDIR and gut microbiota identification based on the 16 S rRNA. Urine samples were used for metabolite analysis using LC-MS/MS. Results showed that the level of MPs in feces was lower in the post-exposure group compared with the exposure group. Furthermore, the abundance of the phyla Actinobacteria, Proteobacteria, Firmicutes, and Bacteroidota in the exposure and post-exposure groups were significantly different compared with the control group. Changes in microbiota abundance and metabolite levels were mainly associated with central nervous system effects, energy metabolism, and inflammation, suggesting that thermal exposure to DPT for 1 month has considerable health effects.
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Affiliation(s)
- Xue Zhang
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Xiaoxue He
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Degong Pan
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Liping Shi
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Yueping Wu
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Yue Yang
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Yongbin Zhu
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Yanrong Wang
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Huihui Wang
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Lining Pu
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China
| | - Shulan He
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China.
| | - Lingchen Meng
- Department of Sanitary Chemistry, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China.
| | - Jiangping Li
- Department of Epidemiology and Health Statistics, School of Public Health, Ningxia Medical University, Yinchuan, Ningxia 750004, China; Key Laboratory of Environmental Factors and Chronic Disease Control, Ningxia Medical University, Yinchuan, Ningxia 750004, China.
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22
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Lan Y, Hu L, Feng X, Wang M, Yuan H, Xu H. Synergistic effect of PS-MPs and Cd on male reproductive toxicity: Ferroptosis via Keap1-Nrf2 pathway. JOURNAL OF HAZARDOUS MATERIALS 2024; 461:132584. [PMID: 37748303 DOI: 10.1016/j.jhazmat.2023.132584] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/01/2023] [Accepted: 09/18/2023] [Indexed: 09/27/2023]
Abstract
It has been wildly reported that microplastics (MPs) can adsorb heavy metals and act as carriers for their transport into organisms. However, the combined toxicity of MPs and heavy metals remains poorly studied. In this study, we established single or co-exposure (i.e. complex/combined exposure) mice models to investigate the combined toxicity of MPs and cadmium (Cd) on male reproduction. The complexation of MPs and Cd enhanced the bioavailability of Cd, while the combination of MPs and Cd exerted synergistic effect. Ultimately, the co-exposure was reported to enhance the reproduction toxicity by single exposure, which reflected in testicular structure, spermatogenesis and sex hormone synthesis. More in-depth mechanistic investigation suggested that MPs and Cd synergistically inhibited the Keap1-Nrf2 pathway and its downstream genes, induced lipid peroxidation and ferroptosis, ultimately caused damage to reproductive structures and functions. Our results highlighted the synergistic effect of MPs and Cd on the reproductive toxicity in male mammals for the first time, which also provided valuable insights into the combined toxicity mechanisms of MPs and other pollutants.
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Affiliation(s)
- Yuzhi Lan
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, PR China
| | - Liehai Hu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, PR China
| | - Xiaoyan Feng
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, PR China
| | - Mengqi Wang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, PR China
| | - Hongbin Yuan
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, PR China
| | - Hengyi Xu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, PR China.
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23
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Sharma N, Vuppu S. In Silico Study of Enzymatic Degradation of Bioplastic by Microalgae: An Outlook on Microplastic Environmental Impact Assessment, Challenges, and Opportunities. Mol Biotechnol 2023:10.1007/s12033-023-00886-w. [PMID: 37758971 DOI: 10.1007/s12033-023-00886-w] [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: 04/27/2023] [Accepted: 08/22/2023] [Indexed: 09/29/2023]
Abstract
Microplastics are tiny pieces of non-biodegradable plastic that can take thousands of years to break down. As microplastics degrade, they release harmful compounds into the environment, which can be found in the surroundings. The microplastics found in the environment are hard to detect and remove because of their small particle sizes. Microplastics cannot decompose naturally, so they accumulate in the environment and cause pollution. As a result, bioplastics can be produced from a vast array of substrates, including biopolymers, citrus peels, leather, and feather wastes. Blue-green microalgae namely Arthrospira platensis (spirulina) contains enzymes such as laccase and catalase which can be responsible for the degradation of bioplastics. In our study, we performed molecular docking to identify the binding affinities of different enzymes such as laccase and catalase with different substrates, focusing on determining the most suitable substrate for enhancing enzyme activity for degradation of bioplastics. The analysis revealed that veratryl alcohol is the most suitable substrate for laccase, whereas lignin is the more preferred substrate for catalase with the highest binding affinity score of - 5.9 and - 8.1 kcal/mol. Moreover, degradation, challenges, opportunities, and applications of bioplastics in numerous domains such as cosmetics, electronics, agriculture, medical, textiles, and food industries have also been highlighted.
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Affiliation(s)
- Nikita Sharma
- Department of Biotechnology, School of Bioscience and Technology, Vellore Institute of Technology, Tamil Nadu, Vellore, 632014, India
| | - Suneetha Vuppu
- Department of Biotechnology, School of Bioscience and Technology, Vellore Institute of Technology, Tamil Nadu, Vellore, 632014, India.
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24
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Wu Y, Tan X, Shi X, Han P, Liu H. Combined Effects of Micro- and Nanoplastics at the Predicted Environmental Concentration on Functional State of Intestinal Barrier in Caenorhabditis elegans. TOXICS 2023; 11:653. [PMID: 37624159 PMCID: PMC10459583 DOI: 10.3390/toxics11080653] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/12/2023] [Accepted: 07/24/2023] [Indexed: 08/26/2023]
Abstract
The possible toxicity caused by nanoplastics or microplastics on organisms has been extensively studied. However, the unavoidably combined effects of nanoplastics and microplastics on organisms, particularly intestinal toxicity, are rarely clear. Here, we employed Caenorhabditis elegans to investigate the combined effects of PS-50 (50 nm nanopolystyrene) and PS-500 (500 nm micropolystyrene) at environmentally relevant concentrations on the functional state of the intestinal barrier. Environmentally, after long-term treatment (4.5 days), coexposure to PS-50 (10 and 15 μg/L) and PS-500 (1 μg/L) resulted in more severe formation of toxicity in decreasing locomotion behavior, in inhibiting brood size, in inducing intestinal ROS production, and in inducting intestinal autofluorescence production, compared with single-exposure to PS-50 (10 and 15 μg/L) or PS-500 (1 μg/L). Additionally, coexposure to PS-50 (15 μg/L) and PS-500 (1 μg/L) remarkably caused an enhancement in intestinal permeability, but no detectable abnormality of intestinal morphology was observed in wild-type nematodes. Lastly, the downregulation of acs-22 or erm-1 expression and the upregulation expressions of genes required for controlling oxidative stress (sod-2, sod-3, isp-1, clk-1, gas-1, and ctl-3) served as a molecular basis to strongly explain the formation of intestinal toxicity caused by coexposure to PS-50 (15 μg/L) and PS-500 (1 μg/L). Our results suggested that combined exposure to microplastics and nanoplastics at the predicted environmental concentration causes intestinal toxicity by affecting the functional state of the intestinal barrier in organisms.
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Affiliation(s)
| | | | | | | | - Huanliang Liu
- Environment and Health Research Division, Public Health Research Center, Wuxi School of Medicine, Jiangnan University, Wuxi 214122, China
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25
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Xu W, Yuan Y, Tian Y, Cheng C, Chen Y, Zeng L, Yuan Y, Li D, Zheng L, Luo T. Oral exposure to polystyrene nanoplastics reduced male fertility and even caused male infertility by inducing testicular and sperm toxicities in mice. JOURNAL OF HAZARDOUS MATERIALS 2023; 454:131470. [PMID: 37116333 DOI: 10.1016/j.jhazmat.2023.131470] [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: 11/28/2022] [Revised: 03/31/2023] [Accepted: 04/20/2023] [Indexed: 05/19/2023]
Abstract
Nanoplastics (NPs) are the novel hazardous materials and ubiquitous in environment with different sizes. Although recent studies showed testicular toxicity of PS-NPs, whether and how NPs affect male fertility and whether they have the size-dependent effect remain ambiguous in mammals. In this study, the male mice were orally exposed to 25-, 50-, and 100-nm polystyrene NPs (PS-NPs) for 56 days. All three sized PS-NPs reduced male fertility and even caused male infertility. They accumulated in the testes, induced oxidative stress, affected the expression of apoptosis- and inflammation-related genes, and compromised energy metabolism, resulting in damaged testicular microstructure and functions. PS-NPs caused more severe testicular toxicity in infertile mice than in fertile mice. In addition, PS-NPs inhibited sperm capacitation and capacitation-dependent processes in infertile mice but not in fertile mice. In infertile mice, PS-NPs reduced the sperm levels of two Rho GTPases (RAC1 and CDC42) via increasing their ubiquitination levels and diminished sperm filamentous actin polymerization, thus inhibiting sperm capacitation. However, these testicular and sperm toxicities showed no size-dependent effect among three sized PS-NPs. In conclusion, PS-NPs inhibit male fertility by their multifaceted toxicity on testes and sperm in mice, providing novel insights into reproductive risks of NPs to mammals.
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Affiliation(s)
- Wenqing Xu
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi 330031, China; Key Laboratory of Reproductive Physiology and Pathology in Jiangxi Province, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Yangyang Yuan
- Key Laboratory of Reproductive Physiology and Pathology in Jiangxi Province, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Yan Tian
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi 330031, China; Key Laboratory of Reproductive Physiology and Pathology in Jiangxi Province, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Cheng Cheng
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi 330031, China; Key Laboratory of Reproductive Physiology and Pathology in Jiangxi Province, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Ying Chen
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi 330031, China; Key Laboratory of Reproductive Physiology and Pathology in Jiangxi Province, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Lianjie Zeng
- Key Laboratory of Reproductive Physiology and Pathology in Jiangxi Province, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Yuan Yuan
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi 330031, China; Key Laboratory of Reproductive Physiology and Pathology in Jiangxi Province, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Dandan Li
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Liping Zheng
- Key Laboratory of Reproductive Physiology and Pathology in Jiangxi Province, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Tao Luo
- Institute of Life Science and School of Life Science, Nanchang University, Nanchang, Jiangxi 330031, China; Key Laboratory of Reproductive Physiology and Pathology in Jiangxi Province, Nanchang University, Nanchang, Jiangxi 330031, China.
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26
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Jaafarzadeh Haghighi Fard N, Mohammadi MJ, Jahedi F. Effects of nano and microplastics on the reproduction system: In vitro and in vivo studies review. Food Chem Toxicol 2023:113938. [PMID: 37429406 DOI: 10.1016/j.fct.2023.113938] [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: 04/25/2023] [Revised: 07/06/2023] [Accepted: 07/07/2023] [Indexed: 07/12/2023]
Abstract
Microplastics (MPs) and nanoplastics (NPs), as their name suggest, are tiny plastic particles. The negative impact of MPs as an emerging pollutant on humans is not hidden from anyone. Recent research on how this pollutant affects the reproductive system and how it enters the blood, placenta, and semen has attracted the attention of scientists. This review study deals with the reproductive toxicity of MPs particles in terrestrial animals, aquatic animals, soil fauna, human cells, and human placenta. In vitro and in vivo animal studies showed that MPs can lead to reduced fertility in men, reduced ovarian capacity, apoptosis of granulosa cells, or even reduced sperm motility. They cause oxidative stress and cell apoptosis and inflammatory effects. The results of these animal studies show that MPs may have similar effects on the human reproductive system. However, not much research has been done on human reproductive toxicity by MPs. Therefore, special attention should be paid to the toxicity of the reproductive system by MPs. The purpose of this comprehensive study is to express the importance of the impact of MPs on the reproductive system. These results provide new insight into the potential dangers of MPs.
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Affiliation(s)
- Neamatollah Jaafarzadeh Haghighi Fard
- Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Department of Environmental Health Engineering, School of Public Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Javad Mohammadi
- Department of Environmental Health Engineering, School of Public Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Faezeh Jahedi
- Department of Environmental Health Engineering, School of Public Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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27
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Song X, Du L, Si M, Zou D, Qiu X. Effects of Micro(nano)plastics on the reproductive system: A review. CHEMOSPHERE 2023:139138. [PMID: 37285987 DOI: 10.1016/j.chemosphere.2023.139138] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 06/01/2023] [Accepted: 06/03/2023] [Indexed: 06/09/2023]
Abstract
Microplastics (100nm-5 mm) and nanoplastics (1-100 nm) are collectively referred to as micro(nano)plastics (MNPs), which are refractory to degradation, easy to migration, small in size, strong in adsorption, and can widely present in human living environment. A number of studies have confirmed that MNPs can be exposed to the human body through a variety of routes, and can penetrate various barriers to enter the reproductive system, suggesting that MNPs may pose potential harm to human reproductive health. Current studies most were limited to phenotypic studies and their subjects were basically lower marine organisms and mammals. Therefore, in order to provide theoretical base for further exploring the effects of MNPs on the human reproductive system, this paper searched the relevant literature at home and abroad, mainly analyzed rodent experiments, and concluded that the main exposure routes of MNPs are dietary intake, air inhalation, skin contact and medical plastics. After entering the reproductive system, MNPs produce reproductive toxicity mainly through oxidative stress, inflammation, metabolic disorders, cytotoxicity and other mechanisms. More work is required to comprehensively identify the exposure routes, improve the detection methods to evaluate the effective exposure and deeply study the specific mechanisms of toxic effects, withing the aim of conducting relevant studies at the population level in the next step.
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Affiliation(s)
- Xuan Song
- Center of Reproductive Medicine, Chengdu BOE Hospital, Chengdu, 610219, China.
| | - Lixia Du
- Department of Gastroenterology, Chengdu BOE Hospital, Chengdu, 610219, China
| | - Maling Si
- Center of Reproductive Medicine, Chengdu BOE Hospital, Chengdu, 610219, China
| | - Dan Zou
- Department of Obstetrics and Gynecology, Chengdu BOE Hospital, Chengdu, 610219, China
| | - Xihong Qiu
- Department of Obstetrics and Gynecology, Chengdu BOE Hospital, Chengdu, 610219, China
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28
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Mills CL, Savanagouder J, de Almeida Monteiro Melo Ferraz M, Noonan MJ. The need for environmentally realistic studies on the health effects of terrestrial microplastics. MICROPLASTICS AND NANOPLASTICS 2023; 3:11. [PMID: 37228296 PMCID: PMC10202987 DOI: 10.1186/s43591-023-00059-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 05/14/2023] [Indexed: 05/27/2023]
Abstract
Plastic pollution is now so widespread that microplastics are regularly detected in biological samples surveyed for their presence. Despite their pervasiveness, very little is known about the effects of microplastics on the health of terrestrial vertebrates. While emerging studies are showing that microplastics represent a potentially serious threat to animal health, data have been limited to in vivo studies on laboratory rodents that were force fed plastics. The extent to which these studies are representative of the conditions that animals and humans might actually experience in the real world is largely unknown. Here, we review 114 papers from the peer-reviewed literature in order to understand how the concentrations and types of microplastics being administered to rodents in lab studies compare to those found in terrestrial soils. From 73 in vivo lab studies, and 41 soil studies, we found that lab studies have heretofore fed rodents microplastics at concentrations that were hundreds of thousands of times greater than they would be exposed to in nature. Furthermore, health effects have been studied for only 20% of the microplastic polymers that are known to occur in soils. Plastic pollution is arguably one of the most pressing ecological and public health issues of our time, yet existing lab-based research on the health effects of terrestrial microplastics does not reflect the conditions that free-ranging vertebrates are actually experiencing. Going forward, performing more true-to-life research will be of the utmost importance to fully understand the impacts of microplastics and maintain the public's faith in the scientific process. Graphical Abstract Supplementary Information The online version contains supplementary material available at 10.1186/s43591-023-00059-1.
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Affiliation(s)
- C. Lauren Mills
- Department of Biology, The Irving K. Barber Faculty of Science, The University of British Columbia, Okanagan Campus, Kelowna, BC Canada
| | - Joy Savanagouder
- Department of Biology, The Irving K. Barber Faculty of Science, The University of British Columbia, Okanagan Campus, Kelowna, BC Canada
| | | | - Michael J. Noonan
- Department of Biology, The Irving K. Barber Faculty of Science, The University of British Columbia, Okanagan Campus, Kelowna, BC Canada
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29
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Choudhury A, Simnani FZ, Singh D, Patel P, Sinha A, Nandi A, Ghosh A, Saha U, Kumari K, Jaganathan SK, Kaushik NK, Panda PK, Suar M, Verma SK. Atmospheric microplastic and nanoplastic: The toxicological paradigm on the cellular system. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 259:115018. [PMID: 37216859 DOI: 10.1016/j.ecoenv.2023.115018] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/12/2023] [Accepted: 05/14/2023] [Indexed: 05/24/2023]
Abstract
The increasing demand for plastic in our daily lives has led to global plastic pollution. The improper disposal of plastic has resulted in a massive amount of atmospheric microplastics (MPs), which has further resulted in the production of atmospheric nanoplastics (NPs). Because of its intimate relationship with the environment and human health, microplastic and nanoplastic contamination is becoming a problem. Because microplastics and nanoplastics are microscopic and light, they may penetrate deep into the human lungs. Despite several studies demonstrating the abundance of microplastics and nanoplastics in the air, the potential risks of atmospheric microplastics and nanoplastics remain unknown. Because of its small size, atmospheric nanoplastic characterization has presented significant challenges. This paper describes sampling and characterization procedures for atmospheric microplastics and nanoplastics. This study also examines the numerous harmful effects of plastic particles on human health and other species. There is a significant void in research on the toxicity of airborne microplastics and nanoplastics upon inhalation, which has significant toxicological potential in the future. Further study is needed to determine the influence of microplastic and nanoplastic on pulmonary diseases.
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Affiliation(s)
- Anmol Choudhury
- KIIT School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India
| | | | - Dibyangshee Singh
- KIIT School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India
| | - Paritosh Patel
- KIIT School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India; Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, 01897 Seoul, South Korea
| | - Adrija Sinha
- KIIT School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India
| | - Aditya Nandi
- KIIT School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India
| | - Aishee Ghosh
- KIIT School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India
| | - Utsa Saha
- KIIT School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India
| | - Khushbu Kumari
- KIIT School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India
| | - Saravana Kumar Jaganathan
- School of Engineering, College of Science, University of Lincoln, Brayford Pool, Lincoln LN6 7TS, UK
| | - Nagendra Kumar Kaushik
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, 01897 Seoul, South Korea
| | - Pritam Kumar Panda
- Department of Physics and Astronomy, Uppsala University, Box 516, SE-75120 Uppsala, Sweden.
| | - Mrutyunjay Suar
- KIIT School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India.
| | - Suresh K Verma
- KIIT School of Biotechnology, KIIT University, Bhubaneswar 751024, Odisha, India.
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Zhou SM, Li JZ, Chen HQ, Zeng Y, Yuan WB, Shi Y, Wang N, Fan J, Zhang Z, Xu Y, Cao J, Liu WB. FTO-Nrf2 axis regulates bisphenol F-induced leydig cell toxicity in an m6A-YTHDF2-dependent manner. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 325:121393. [PMID: 36878272 DOI: 10.1016/j.envpol.2023.121393] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/19/2023] [Accepted: 03/02/2023] [Indexed: 06/18/2023]
Abstract
Studies have shown that Bisphenol F (BPF) as an emerging bisphenol pollutant also has caused many hazards to the reproductive systems of humans and animals. However, its specific mechanism is still unclear. The mouse TM3 Leydig cell was used to explore the mechanism of BPF-induced reproductive toxicity in this study. The results showed BPF (0, 20, 40 and 80 μM) exposure for 72 h significantly increased cell apoptosis and decreased cell viability. Correspondingly, BPF increased the expression of P53 and BAX, and decreased the expression of BCL2. Moreover, BPF significantly increased the intracellular ROS level in TM3 cells, and significantly decreased oxidative stress-related molecule Nrf2. BPF decreased the expression of FTO and YTHDF2, and increased the total cellular m6A level. ChIP results showed that AhR transcriptionally regulated FTO. Differential expression of FTO revealed that FTO reduced the apoptosis rate of BPF-exposed TM3 cells and increased the expression of Nrf2, MeRIP confirmed that overexpression of FTO reduced the m6A of Nrf2 mRNA. After differential expression of YTHDF2, it was found that YTHDF2 enhanced the stability of Nrf2, and RIP assay showed that YTHDF2 was bound to Nrf2 mRNA. Nrf2 agonist enhanced the protective effect of FTO on TM3 cells exposure to BPF. Our study is the first to demonstrate that AhR transcriptionally regulated FTO, and then FTO regulated Nrf2 in a m6A-modified manner through YTHDF2, thereby affecting apoptosis in BPF-exposed TM3 cells to induce reproductive damage. It provides new insights into the importance of FTO-YTHDF2-Nrf2 signaling axis in BPF-induced reproductive toxicity and provided a new idea for the prevention of male reproductive injury.
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Affiliation(s)
- Shi-Meng Zhou
- Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China; School of Public Health, China Medical University, Shenyang, Liaoning, 110122, China
| | - Jing-Zhi Li
- Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Hong-Qiang Chen
- Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China; Department of Environmental Health, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Yong Zeng
- Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China; Department of Environmental Health, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Wen-Bo Yuan
- Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Yu Shi
- Department of Environmental Health, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China; College of Pharmacy & Bioengineering, Chongqing University of Technology, Chongqing, 400054, China
| | - Na Wang
- Department of Environmental Health, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China; School of Public Health, Guizhou Medical University, Guiyang, Guizhou, 550025, China
| | - Jun Fan
- Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Zhe Zhang
- Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Yuanyuan Xu
- School of Public Health, China Medical University, Shenyang, Liaoning, 110122, China
| | - Jia Cao
- Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China
| | - Wen-Bin Liu
- Institute of Toxicology, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China; Department of Environmental Health, College of Preventive Medicine, Third Military Medical University, Chongqing, 400038, China.
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