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You HJ, Jo YJ, Kim G, Kwon J, Yoon SB, Youn C, Kim Y, Kang MJ, Cho WS, Kim JS. Disruption of early embryonic development in mice by polymethylmethacrylate nanoplastics in an oxidative stress mechanism. CHEMOSPHERE 2024; 361:142407. [PMID: 38795919 DOI: 10.1016/j.chemosphere.2024.142407] [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: 02/24/2024] [Revised: 05/20/2024] [Accepted: 05/21/2024] [Indexed: 05/28/2024]
Abstract
Polymethylmethacrylate (PMMA) has been used in many products, such as acrylic glass, and is estimated to reach 5.7 million tons of production per year by 2028. Thus, nano-sized PMMA particles in the environment are highly likely due to the weathering process. However, information on the hazards of nanoplastics, including PMMA in mammals, especially reproductive toxicity and action mechanism, is scarce. Herein, we investigated the effect of PMMA nanoplastics on the female reproductive system of mice embryos during pre-implantation. The treated plastic particles in embryos (10, 100, and 1000 μg/mL) were endocytosed into the cytoplasm within 30 min, and the blastocyst development and indices of embryo quality were significantly decreased from at 100 μg/mL. Likewise, the transfer of nanoplastic-treated embryos at 100 μg/mL decreased the morula implantation rate on the oviduct of pseudopregnant mice by 70%, calculated by the pregnant individual, and 31.8% by the number of implanted embryos. The PMMA nanoplastics at 100 μg/mL significantly increased the cellular levels of reactive oxygen species in embryos, which was not related to the intrinsic oxidative potential of nanoplastics. This study highlights that the nanoplastics that enter systemic circulation can affect the early stage of embryos. Thus, suitable action mechanisms can be designed to address nanoplastic occurrence.
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Affiliation(s)
- Hyeong-Ju You
- Primate Resources Center (PRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), 351-33, Neongme-gil, Ibam-myeon, Jeongeup-si, Jeollabuk-do, 56216, Republic of Korea; Department of Animal Science, Chonnam National University, 77, Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea
| | - Yu-Jin Jo
- Primate Resources Center (PRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), 351-33, Neongme-gil, Ibam-myeon, Jeongeup-si, Jeollabuk-do, 56216, Republic of Korea
| | - Gyuri Kim
- Lab of Toxicology, Department of Health Sciences, The Graduate School of Dong-A University, 37, Nakdong-daero 550 beon-gil, Saha-gu, Busan, 49315, Republic of Korea
| | - Jeongwoo Kwon
- Primate Resources Center (PRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), 351-33, Neongme-gil, Ibam-myeon, Jeongeup-si, Jeollabuk-do, 56216, Republic of Korea
| | - Seung-Bin Yoon
- Primate Resources Center (PRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), 351-33, Neongme-gil, Ibam-myeon, Jeongeup-si, Jeollabuk-do, 56216, Republic of Korea
| | - Changsic Youn
- Primate Resources Center (PRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), 351-33, Neongme-gil, Ibam-myeon, Jeongeup-si, Jeollabuk-do, 56216, Republic of Korea
| | - Yejin Kim
- Primate Resources Center (PRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), 351-33, Neongme-gil, Ibam-myeon, Jeongeup-si, Jeollabuk-do, 56216, Republic of Korea
| | - Man-Jong Kang
- Department of Animal Science, Chonnam National University, 77, Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea
| | - Wan-Seob Cho
- Lab of Toxicology, Department of Health Sciences, The Graduate School of Dong-A University, 37, Nakdong-daero 550 beon-gil, Saha-gu, Busan, 49315, Republic of Korea.
| | - Ji-Su Kim
- Primate Resources Center (PRC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), 351-33, Neongme-gil, Ibam-myeon, Jeongeup-si, Jeollabuk-do, 56216, Republic of Korea.
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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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3
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Cheng J, Yang L, Zhang Z, Xu D, Hua R, Chen H, Li X, Duan J, Li Q. Diquat causes mouse testis injury through inducing heme oxygenase-1-mediated ferroptosis in spermatogonia. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 280:116562. [PMID: 38850704 DOI: 10.1016/j.ecoenv.2024.116562] [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: 03/08/2024] [Revised: 05/14/2024] [Accepted: 06/04/2024] [Indexed: 06/10/2024]
Abstract
Diquat dibromide (DQ) is a globally used herbicide in agriculture, and its overuse poses an important public health issue, including male reproductive toxicity in mammals. However, the effects and molecular mechanisms of DQ on testes are limited. In vivo experiments, mice were intraperitoneally injected with 8 or 10 mg/kg/ day of DQ for 28 days. It has been found that heme oxygenase-1 (HO-1) mediates DQ-induced ferroptosis in mouse spermatogonia, thereby damaging testicular development and spermatogenesis. Histopathologically, we found that DQ exposure caused seminiferous tubule disorders, reduced germ cells, and increased sperm malformation, in mice. Reactive oxygen species (ROS) staining of frozen section and transmission electron microscopy (TEM) displayed DQ promoted ROS generation and mitochondrial morphology alterations in mouse testes, suggesting that DQ treatment induced testicular oxidative stress. Subsequent RNA-sequencing further showed that DQ treatment might trigger ferroptosis pathway, attributed to disturbed glutathione metabolism and iron homeostasis in spermatogonia cells in vitro. Consistently, results of western blotting, measurements of MDA and ferrous iron, and ROS staining confirmed that DQ increased oxidative stress and lipid peroxidation, and accelerated ferrous iron accumulation both in vitro and in vivo. Moreover, inhibition of ferroptosis by deferoxamine (DFO) markedly ameliorated DQ-induced cell death and dysfunction. By RNA-sequencing, we found that the expression of HO-1 was significantly upregulated in DQ-treated spermatogonia, while ZnPP (a specific inhibitor of HO-1) blocked spermatogonia ferroptosis by balancing intracellular iron homeostasis. In mice, administration of the ferroptosis inhibitor ferrostatin-1 effectively restored the increase of HO-1 levels in the spermatogonia, prevented spermatogonia death, and alleviated the spermatogenesis disorders induced by DQ. Overall, these findings suggest that HO-1 mediates DQ-induced spermatogonia ferroptosis in mouse testes, and targeting HO-1 may be an effective protective strategy against male reproductive disorders induced by pesticides in agriculture.
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Affiliation(s)
- Jianyong Cheng
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Li Yang
- Health Management Center, Shenzhen University General Hospital, Shenzhen 518055, China
| | - Zelin Zhang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Dejun Xu
- Chongqing Key Laboratory of Herbivore Science, College of Animal Science and Technology, Southwest University, Chongqing 400715, China
| | - Rongmao Hua
- College of Pharmacy, Shenzhen Technology University, Shenzhen 518000, China
| | - Huali Chen
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621000, China
| | - Xiaoya Li
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Jiaxin Duan
- College of Animal Science, Shanxi Agricultural University, Taiyuan 030801, China
| | - Qingwang Li
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China.
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Peng Y, He Q. Reproductive toxicity and related mechanisms of micro(nano)plastics in terrestrial mammals: Review of current evidence. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 279:116505. [PMID: 38810287 DOI: 10.1016/j.ecoenv.2024.116505] [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: 01/03/2024] [Revised: 05/18/2024] [Accepted: 05/22/2024] [Indexed: 05/31/2024]
Abstract
Micro(nano)plastics (MNPs) have been detected in various ecological environments and are widely used due to their stable properties, raising widespread concern about their potential human reproductive toxicity. Currently, infertility affects approximately 10-30% of couples of reproductive age globally. MNPs, as environmental pollutants, have been shown to exhibit reproductive toxicity through intrinsic mechanisms or as carriers of other hazardous substances. Numerous studies have established that MNPs of varying sizes and types can penetrate biological barriers, and enter tissues and even organelles of organisms through four main routes: dietary ingestion, inhalation, dermal contact, and medical interventions. However, historical research on the toxic effects of MNPs on reproduction mainly focused on lower and aquatic species. We conducted an inclusive review of studies involving terrestrial mammals, revealing that MNPs can induce reproductive toxicity via various mechanisms such as oxidative stress, inflammation, fibrosis, apoptosis, autophagy, disruption of intestinal flora, endocrine disruption, endoplasmic reticulum stress, and DNA damage. In terrestrial mammals, reproductive toxicity predominantly manifests as disruption in the blood-testis barrier (BTB), impaired spermatogenesis, sperm malformation, sperm DNA damage, reduced sperm fertilizing capacity, compromised oocyte maturation, impaired follicular growth, granulosa cell apoptosis, diminished ovarian reserve function, uterine and ovarian fibrosis, and endocrine disruption, among other effects. Furthermore, MNPs can traverse the maternal-fetal interface, potentially impacting offspring reproductive health. To gain a comprehensive understanding of the potential reproductive toxicity and underlying mechanisms of MNPs with different sizes, polymer types, shapes, and carried toxins, as well as to explore effective protective interventions for mitigating reproductive damage, further in-depth animal studies, clinical trials, and large-scale epidemiological studies are urgently required.
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Affiliation(s)
- Yangyang Peng
- Hunan Provincial Maternal and Child Health Care Hospital, Changsha 410008, China.
| | - Qi He
- Hunan Provincial Maternal and Child Health Care Hospital, Changsha 410008, China
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Zheng Y, Gan X, Lin C, Wang D, Chen R, Dai Y, Jiang L, Huang C, Zhu Y, Song Y, Chen J. Polystyrene nanoplastics cause reproductive toxicity in zebrafish: PPAR mediated lipid metabolism disorder. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 931:172795. [PMID: 38677429 DOI: 10.1016/j.scitotenv.2024.172795] [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: 11/19/2023] [Revised: 03/13/2024] [Accepted: 04/24/2024] [Indexed: 04/29/2024]
Abstract
The ubiquitous presence of micro-and nanoplastics (MNPs) in the environment and everyday products has attracted attention due to their hazardous risks. However, the effects of MNPs on reproduction and the underlying mechanisms remain unclear. The present study investigated the impact of polystyrene (PS) nanoplastics of 80, 200 and 500 nm diameters on zebrafish reproduction at an environmentally relevant concentration of 0.5 mg/L. Exposure to PS delayed spermatogenesis and caused aberrant follicular growth, resulting in dysgenesis in F0 adults and impacting F1 embryo development. Notably, the reproductive toxicity exhibited size-dependency, with the 500 nm PS being the most detrimental. Combined analyses of transcriptomics and metabolomics in ovary tissue revealed that treatment with 500 nm PS affected the peroxisome proliferator-activated receptor (PPAR) signaling pathway, dysregulated lipid transport, binding and activity processes, and led to dysgenesis in zebrafish. Specifically, the ovulatory dysfunction induced by PS exposure resembled clinical manifestations of polycystic ovary syndrome (PCOS) and can be attributed to lipid metabolism disorder involving glycerophospholipid, sphingolipid, arachidonic acid, and alpha-linolenic acid. Collectively, our results provide new evidence revealing the molecular mechanisms of PS-induced reproductive toxicity, highlighting that MNPs may pose a risk to female reproductive health.
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Affiliation(s)
- Yi Zheng
- Wenzhou Medical University, Wenzhou 325035, PR China; Wenzhou Municipal Key Laboratory of Neurodevelopmental Pathology and Physiology, Wenzhou Medical University, Wenzhou 325035, PR China
| | - Xiufeng Gan
- Wenzhou Medical University, Wenzhou 325035, PR China; Zhejiang Provincial Key Laboratory of Watershed Sciences and Health, School of Public health and Management, Wenzhou Medical University, Wenzhou 325035, PR China
| | - Chengyin Lin
- Wenzhou Medical University, Wenzhou 325035, PR China
| | - Danhan Wang
- Wenzhou Medical University, Wenzhou 325035, PR China
| | - Runyu Chen
- Wenzhou Medical University, Wenzhou 325035, PR China
| | - Yuqing Dai
- Wenzhou Medical University, Wenzhou 325035, PR China
| | - Lemiao Jiang
- Wenzhou Medical University, Wenzhou 325035, PR China
| | - Changjiang Huang
- Wenzhou Medical University, Wenzhou 325035, PR China; Zhejiang Provincial Key Laboratory of Watershed Sciences and Health, School of Public health and Management, Wenzhou Medical University, Wenzhou 325035, PR China
| | - Ya Zhu
- School of Medicine, Taizhou University, 318000 Taizhou, Zhejiang, PR China.
| | - Yang Song
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China.
| | - Jiangfei Chen
- Wenzhou Medical University, Wenzhou 325035, PR China; Zhejiang Provincial Key Laboratory of Watershed Sciences and Health, School of Public health and Management, Wenzhou Medical University, Wenzhou 325035, PR China; Wenzhou Municipal Key Laboratory of Neurodevelopmental Pathology and Physiology, Wenzhou Medical University, Wenzhou 325035, PR China.
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6
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Codrington J, Varnum AA, Hildebrandt L, Pröfrock D, Bidhan J, Khodamoradi K, Höhme AL, Held M, Evans A, Velasquez D, Yarborough CC, Ghane-Motlagh B, Agarwal A, Achua J, Pozzi E, Mesquita F, Petrella F, Miller D, Ramasamy R. Detection of microplastics in the human penis. Int J Impot Res 2024:10.1038/s41443-024-00930-6. [PMID: 38890513 DOI: 10.1038/s41443-024-00930-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/29/2024] [Accepted: 06/04/2024] [Indexed: 06/20/2024]
Abstract
The proliferation of microplastics (MPs) represents a burgeoning environmental and health crisis. Measuring less than 5 mm in diameter, MPs have infiltrated atmospheric, freshwater, and terrestrial ecosystems, penetrating commonplace consumables like seafood, sea salt, and bottled beverages. Their size and surface area render them susceptible to chemical interactions with physiological fluids and tissues, raising bioaccumulation and toxicity concerns. Human exposure to MPs occurs through ingestion, inhalation, and dermal contact. To date, there is no direct evidence identifying MPs in penile tissue. The objective of this study was to assess for potential aggregation of MPs in penile tissue. Tissue samples were extracted from six individuals who underwent surgery for a multi-component inflatable penile prosthesis (IPP). Samples were obtained from the corpora using Adson forceps before corporotomy dilation and device implantation and placed into cleaned glassware. A control sample was collected and stored in a McKesson specimen plastic container. The tissue fractions were analyzed using the Agilent 8700 Laser Direct Infrared (LDIR) Chemical Imaging System (Agilent Technologies. Moreover, the morphology of the particles was investigated by a Zeiss Merlin Scanning Electron Microscope (SEM), complementing the detection range of LDIR to below 20 µm. MPs via LDIR were identified in 80% of the samples, ranging in size from 20-500 µm. Smaller particles down to 2 µm were detected via SEM. Seven types of MPs were found in the penile tissue, with polyethylene terephthalate (47.8%) and polypropylene (34.7%) being the most prevalent. The detection of MPs in penile tissue raises inquiries on the ramifications of environmental pollutants on sexual health. Our research adds a key dimension to the discussion on man-made pollutants, focusing on MPs in the male reproductive system.
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Affiliation(s)
- Jason Codrington
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Alexandra Aponte Varnum
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Lars Hildebrandt
- Institute of Coastal Environmental Chemistry, Department for Inorganic Environmental Chemistry, Helmholtz-Zentrum Hereon, Max-Planck-Str 1, 21502, Geesthacht, Germany
| | - Daniel Pröfrock
- Institute of Coastal Environmental Chemistry, Department for Inorganic Environmental Chemistry, Helmholtz-Zentrum Hereon, Max-Planck-Str 1, 21502, Geesthacht, Germany
| | - Joginder Bidhan
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Kajal Khodamoradi
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Anke-Lisa Höhme
- Institute of Membrane Research, Helmholtz-Zentrum Hereon, Max-Planck-Str 1, 21502, Geesthacht, Germany
| | - Martin Held
- Institute of Membrane Research, Helmholtz-Zentrum Hereon, Max-Planck-Str 1, 21502, Geesthacht, Germany
| | - Aymara Evans
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - David Velasquez
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Christina C Yarborough
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Bahareh Ghane-Motlagh
- Dr. J.T. MacDonald Foundation BioNIUM, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Ashutosh Agarwal
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
- Department of Biomedical Engineering, University of Miami, Miami, FL, USA
| | - Justin Achua
- University of Colorado, Anschutz Medical Campus, Aurora, CO, USA
| | - Edoardo Pozzi
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
- Vita-Salute San Raffaele University, Milan, Italy
- IRCCS Ospedale San Raffaele, Urology, Milan, Italy
| | - Francesco Mesquita
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Francis Petrella
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - David Miller
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Ranjith Ramasamy
- Desai Sethi Urology Institute, Miller School of Medicine, University of Miami, Miami, FL, USA.
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Cui S, Yu W, Han X, Hu T, Yu M, Liang Y, Guo S, Ma J, Teng L, Liu Z. Factors influencing the distribution, risk, and transport of microplastics and heavy metals for wildlife and habitats in "island" landscapes: From source to sink. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:134938. [PMID: 38901262 DOI: 10.1016/j.jhazmat.2024.134938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 06/04/2024] [Accepted: 06/14/2024] [Indexed: 06/22/2024]
Abstract
Microplastics (MPs) and heavy metals (HMs) are important pollutants in terrestrial ecosystems. In particular, the "island" landscape's weak resistance makes it vulnerable to pollution. However, there is a lack of research on MPs and HMs in island landscapes. Therefore, we used Helan Mountain as the research area. Assess the concentrations, spatial distribution, ecological risks, sources, and transport of MPs and HMs in the soil and blue sheep (Pseudois nayaur) feces. Variations in geographical distribution showed a connection between human activity and pollutants. Risk assessment indicated soil and wildlife were influenced by long-term pollutant polarization and multi-element inclusion (Igeo, Class I; PHI, Class V; RI (MPs), 33 % Class II, and 17 % Class IV; HI = 452.08). Source apportionment showed that tourism and coal combustion were the primary sources of pollutants. Meanwhile, a new coupling model of PMF/Risk was applied to quantify the source contribution of various risk types indicated transportation roads and tourism sources were the main sources of ecological and health risks, respectively. Improve the traceability of pollution source risks. Furthermore, also developed a novel tracing model for pollutant transportation, revealing a unique "source-sink-source" cycle in pollutant transportation, which provides a new methodological framework for the division of pollution risk areas in nature reserves and the evaluation of spatial transport between sources and sinks. Overall, this study establishes a foundational framework for conducting comprehensive risk assessments and formulating strategies for pollution control and management.
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Affiliation(s)
- Shuang Cui
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, China
| | - Wei Yu
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, China; Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - XingZhi Han
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, China; Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Tianhua Hu
- Ningxia Helan Mountain National Nature Reserve Administration, Yinchuan 750021, China
| | - Mengqi Yu
- Forest Pest Control and Quarantine Station of Ningxia Hui Autonomous Region, Yinchuan 750021, China
| | - Yongliang Liang
- Ningxia Helan Mountain National Nature Reserve Administration, Yinchuan 750021, China
| | - Songtao Guo
- The College of Life Sciences, Northwest University, Shaanxi Key Laboratory for Animal Conservation, Xi'an 710069, China
| | - Jinlian Ma
- Inner Mongolia Helan Mountain National Natural Nature Reserve Administration, Alxa League, 750306, China
| | - Liwei Teng
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, China; Key Laboratory of Conservation Biology, National Forestry and Grassland Administration, Harbin 150040, China.
| | - Zhensheng Liu
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin 150040, China; Key Laboratory of Conservation Biology, National Forestry and Grassland Administration, Harbin 150040, China.
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8
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Yang J, Peng Z, Sun J, Chen Z, Niu X, Xu H, Ho KF, Cao J, Shen Z. A review on advancements in atmospheric microplastics research: The pivotal role of machine learning. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 945:173966. [PMID: 38897457 DOI: 10.1016/j.scitotenv.2024.173966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/26/2024] [Accepted: 06/11/2024] [Indexed: 06/21/2024]
Abstract
Microplastics (MPs), recognized as emerging pollutants, pose significant potential impacts on the environment and human health. The investigation into atmospheric MPs is nascent due to the absence of effective characterization methods, leaving their concentration, distribution, sources, and impacts on human health largely undefined with evidence still emerging. This review compiles the latest literature on the sources, distribution, environmental behaviors, and toxicological effects of atmospheric MPs. It delves into the methodologies for source identification, distribution patterns, and the contemporary approaches to assess the toxicological effects of atmospheric MPs. Significantly, this review emphasizes the role of Machine Learning (ML) and Artificial Intelligence (AI) technologies as novel and promising tools in enhancing the precision and depth of research into atmospheric MPs, including but not limited to the spatiotemporal dynamics, source apportionment, and potential health impacts of atmospheric MPs. The integration of these advanced technologies facilitates a more nuanced understanding of MPs' behavior and effects, marking a pivotal advancement in the field. This review aims to deliver an in-depth view of atmospheric MPs, enhancing knowledge and awareness of their environmental and human health impacts. It calls upon scholars to focus on the research of atmospheric MPs based on new technologies of ML and AI, improving the database as well as offering fresh perspectives on this critical issue.
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Affiliation(s)
- Jiaer Yang
- Department of Environmental Sciences and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Zezhi Peng
- Department of Environmental Sciences and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Jian Sun
- Department of Environmental Sciences and Engineering, Xi'an Jiaotong University, Xi'an 710049, China.
| | - Zhiwen Chen
- Department of Environmental Sciences and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Xinyi Niu
- School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Hongmei Xu
- Department of Environmental Sciences and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Kin-Fai Ho
- The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China
| | - Junji Cao
- Key Lab of Aerosol Chemistry & Physics, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710049, China
| | - Zhenxing Shen
- Department of Environmental Sciences and Engineering, Xi'an Jiaotong University, Xi'an 710049, China
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Xiong G, Zhang H, Peng Y, Shi H, Han M, Hu T, Wang H, Zhang S, Wu X, Xu G, Zhang J, Liu Y. Subchronic co-exposure of polystyrene nanoplastics and 3-BHA significantly aggravated the reproductive toxicity of ovaries and uterus in female mice. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 351:124101. [PMID: 38710361 DOI: 10.1016/j.envpol.2024.124101] [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: 01/14/2024] [Revised: 04/27/2024] [Accepted: 05/01/2024] [Indexed: 05/08/2024]
Abstract
Both nanoplastics (NPs) and 3-tert-butyl-4-hydroxyanisole (3-BHA) are environmental contaminants that can bio-accumulate through the food chain. However, the combined effects of which on mammalian female reproductive system remain unclear. Here, the female ICR-CD1 mice were used to evaluate the damage effects of ovaries and uterus after NPs and 3-BHA co-treatment for 35 days. Firstly, co-exposure significantly reduced the body weight and organ index of ovaries and uterus in mice. Secondly, combined effects of NPs and 3-BHA exacerbated the histopathological abnormalities to the ovaries and uterus and decreased female sex hormones such as FSH and LH while increased antioxidant activities including CAT and GSH-Px. Moreover, the apoptotic genes, inflammatory cytokines and the key reproductive development genes such as FSTL1 were significantly up-regulated under co-exposure conditions. Thirdly, through transcriptional and bioinformatics analysis, immunofluorescence and western blotting assays, together with molecular docking simulation, we determined that co-exposure up-regulated the FSTL1, TGF-β and p-Smad1/5/9 but down-regulated the expression of BMP4. Finally, the pharmacological rescue experiments further demonstrated that co-exposure of NPs and 3-BHA mainly exacerbated the female reproductive toxicity through FSTL1-mediated BMP4/TGF-β/SMAD signaling pathway. Taken together, our studies provided the theoretical basis of new environmental pollutants on the reproductive health in female mammals.
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Affiliation(s)
- Guanghua Xiong
- College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Fuyang Normal University, Fuyang, 236041, Anhui, China
| | - Haiyan Zhang
- College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Fuyang Normal University, Fuyang, 236041, Anhui, China; College of Life Sciences, Jiangxi Normal University, Nanchang, 330022, Jiangxi, China
| | - Yulin Peng
- College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Fuyang Normal University, Fuyang, 236041, Anhui, China
| | - Huangqi Shi
- College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Fuyang Normal University, Fuyang, 236041, Anhui, China
| | - Meiling Han
- College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Fuyang Normal University, Fuyang, 236041, Anhui, China
| | - Tianle Hu
- College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Fuyang Normal University, Fuyang, 236041, Anhui, China
| | - Hongcheng Wang
- College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Fuyang Normal University, Fuyang, 236041, Anhui, China
| | - Shangrong Zhang
- College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Fuyang Normal University, Fuyang, 236041, Anhui, China
| | - Xiaoqing Wu
- College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Fuyang Normal University, Fuyang, 236041, Anhui, China
| | - Gaoxiao Xu
- College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Fuyang Normal University, Fuyang, 236041, Anhui, China
| | - Jun'e Zhang
- College of Life Sciences, Jiangxi Normal University, Nanchang, 330022, Jiangxi, China
| | - Yong Liu
- College of Biology and Food Engineering, Anhui Province Key Laboratory of Embryo Development and Reproductive Regulation, Anhui Province Key Laboratory of Environmental Hormone and Reproduction, Fuyang Normal University, Fuyang, 236041, Anhui, China.
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10
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Wang L, Li S, Hao Y, Liu X, Liu Y, Zuo L, Tai F, Yin L, Young LJ, Li D. Exposure to polystyrene microplastics reduces sociality and brain oxytocin levels through the gut-brain axis in mice. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 945:174026. [PMID: 38885706 DOI: 10.1016/j.scitotenv.2024.174026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 06/09/2024] [Accepted: 06/13/2024] [Indexed: 06/20/2024]
Abstract
The rising global prevalence of microplastics (MPs) has highlighted their diverse toxicological effects. The oxytocin (OT) system in mammals, deeply intertwined with social behaviors, is recognized to be vulnerable to environmental stressors. We hypothesized that MP exposure might disrupt this system, a topic not extensively studied. We investigated the effects of MPs on behavioral neuroendocrinology via the gut-brain axis by exposing adolescent male C57BL/6 mice to varied sizes (5 μm and 50 μm) and concentrations (100 μg/L and 1000 μg/L) of polystyrene MPs over 10 weeks. The results demonstrated that exposure to 50 μm MPs significantly reduced colonic mucin production and induced substantial alterations in gut microbiota. Notably, the 50 μm-100 μg/L group showed a significant reduction in OT content within the medial prefrontal cortex and associated deficits in sociality, along with damage to the blood-brain barrier. Importantly, blocking the vagal pathway ameliorated these behavioral impairments, emphasizing the pivotal role of the gut-brain axis in mediating neurobehavioral outcomes. Our findings confirm the toxicity of MPs on sociality and the corresponding neuroendocrine systems, shedding light on the potential hazards and adverse effects of environmental MPs exposure on social behavior and neuroendocrine frameworks in social mammals, including humans.
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Affiliation(s)
- Limin Wang
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China; Hebei Collaborative Innovation Center for Eco-Environment, Hebei Normal University, Shijiazhuang, Hebei 050024, China; Ecology Postdoctoral Research Station at Hebei Normal University, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Shuxin Li
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Yaotong Hao
- Ocean College, Hebei Agricultural University, Qinhuangdao, Hebei 066003, China
| | - Xu Liu
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Yaqing Liu
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Lirong Zuo
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Fadao Tai
- Institute of Brain and Behavioral Sciences, College of Life Sciences, Shaanxi Normal University, Xi'an, Shaanxi 710062, China
| | - Liyun Yin
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China; Hebei Collaborative Innovation Center for Eco-Environment, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Larry J Young
- Center for Translational Social Neuroscience, Emory National Primate Research Center, Emory University, Atlanta, GA 3032, United States; Center for Social Neural Networks, Faculty of Human Sciences, University of Tsukuba, Tsukuba, Ibaraki 305-857, Japan
| | - Dongming Li
- Hebei Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology, College of Life Sciences, Hebei Normal University, Shijiazhuang, Hebei 050024, China; Hebei Collaborative Innovation Center for Eco-Environment, Hebei Normal University, Shijiazhuang, Hebei 050024, China.
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11
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Pan I, Umapathy S. Probiotics an emerging therapeutic approach towards gut-brain-axis oriented chronic health issues induced by microplastics: A comprehensive review. Heliyon 2024; 10:e32004. [PMID: 38882279 PMCID: PMC11176854 DOI: 10.1016/j.heliyon.2024.e32004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 05/25/2024] [Accepted: 05/27/2024] [Indexed: 06/18/2024] Open
Abstract
Applications for plastic polymers can be found all around the world, often discarded without any prior care, exacerbating the environmental issue. When large waste materials are released into the environment, they undergo physical, biological, and photo-degradation processes that break them down into smaller polymer fragments known as microplastics (MPs). The time it takes for residual plastic to degrade depends on the type of polymer and environmental factors, with some taking as long as 600 years or more. Due to their small size, microplastics can contaminate food and enter the human body through food chains and webs, causing gastrointestinal (GI) tract pain that can range from local to systemic. Microplastics can also acquire hydrophobic organic pollutants and heavy metals on their surface, due to their large surface area and surface hydrophobicity. The levels of contamination on the microplastic surface are significantly higher than in the natural environment. The gut-brain axis (GB axis), through which organisms interact with their environment, regulate nutritional digestion and absorption, intestinal motility and secretion, complex polysaccharide breakdown, and maintain intestinal integrity, can be altered by microplastics acting alone or in combination with pollutants. Probiotics have shown significant therapeutic potential in managing various illnesses mediated by the gut-brain axis. They connect hormonal and biochemical pathways to promote gut and brain health, making them a promising therapy option for a variety of GB axis-mediated illnesses. Additionally, taking probiotics with or without food can reduce the production of pro-inflammatory cytokines, reactive oxygen species (ROS), neuro-inflammation, neurodegeneration, protein folding, and both motor and non-motor symptoms in individuals with Parkinson's disease. This study provides new insight into microplastic-induced gut dysbiosis, its associated health risks, and the benefits of using both traditional and next-generation probiotics to maintain gut homeostasis.
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Affiliation(s)
- Ieshita Pan
- Institute of Biotechnology, Department of Medical Biotechnology and Integrative Physiology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Thandalam, Chennai, 602105, Tamil Nadu, India
| | - Suganiya Umapathy
- Institute of Biotechnology, Department of Medical Biotechnology and Integrative Physiology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Thandalam, Chennai, 602105, Tamil Nadu, India
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12
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Jiang J, Shu Z, Qiu L. Adverse effects and potential mechanisms of polystyrene microplastics (PS-MPs) on the blood-testis barrier. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:238. [PMID: 38849627 DOI: 10.1007/s10653-024-02033-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 05/13/2024] [Indexed: 06/09/2024]
Abstract
Microplastics (MPs) are defined as plastic particles or fragments with a diameter of less than 5 mm. These particles have been identified as causing male reproductive toxicity, although the precise mechanism behind this association is yet to be fully understood. Recent research has found that exposure to polystyrene microplastics (PS-MPs) can disrupt spermatogenesis by impacting the integrity of the blood-testis barrier (BTB), a formidable barrier within mammalian blood tissues. The BTB safeguards germ cells from harmful substances and infiltration by immune cells. However, the disruption of the BTB leads to the entry of environmental pollutants and immune cells into the seminiferous tubules, resulting in adverse reproductive effects. Additionally, PS-MPs induce reproductive damage by generating oxidative stress, inflammation, autophagy, and alterations in the composition of intestinal flora. Despite these findings, the precise mechanism by which PS-MPs disrupt the BTB remains inconclusive, necessitating further investigation into the underlying processes. This review aims to enhance our understanding of the pernicious effects of PS-MP exposure on the BTB and explore potential mechanisms to offer novel perspectives on BTB damage caused by PS-MPs.
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Affiliation(s)
- Jinchen Jiang
- School of Public Health, Nantong University, 9 Seyuan Rd, Nantong, 226019, People's Republic of China
| | - Zhenhao Shu
- School of Public Health, Nantong University, 9 Seyuan Rd, Nantong, 226019, People's Republic of China
| | - Lianglin Qiu
- School of Public Health, Nantong University, 9 Seyuan Rd, Nantong, 226019, People's Republic of China.
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13
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Le VG, Nguyen MK, Lin C, Nguyen HL, Nguyen TQH, Hue NK, Truong QM, Chang SW, Nguyen XH, Nguyen DD. Review on personal protective equipment: Emerging concerns in micro(nano)plastic pollution and strategies for addressing environmental challenges. ENVIRONMENTAL RESEARCH 2024; 257:119345. [PMID: 38851370 DOI: 10.1016/j.envres.2024.119345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/31/2024] [Accepted: 06/03/2024] [Indexed: 06/10/2024]
Abstract
The COVID-19 pandemic was caused by the SARS-CoV-2 virus, marking one of the most catastrophic global health crises of the 21st century. Throughout this period, widespread use and improper disposal of personal protective equipment (PPE) emerged as a pressing environmental issue, significantly impacting various life forms. During the COVID-19 pandemic, there was a high rate of PEP disposal. An alarming 1.6 × 106 tons of plastic waste each day has been generated since the onset of the outbreak, predominantly from the inadequate disposal of PPE. The mismanagement and subsequent degradation of discarded PPE significantly contribute to increased non-biodegradable micro(nano)plastic (MNP) waste. This pollution has had profound adverse effects on terrestrial, marine, and aquatic ecosystems, which have been extensively of concern recently. Accumulated MNPs within aquatic organisms could serve as a potential route for human exposure when consuming seafood. This review presents a novel aspect concerning the pollution caused by MNPs, particularly remarking on their role during the pandemic and their detrimental effects on human health. These microplastic particles, through the process of fragmentation, transform into nanoparticles, persisting in the environment and posing potential hazards. The prevalence of MNP from PPE, notably masks, raises concerns about their plausible health risks, warranting global attention and comprehensive exploration. Conducting a comprehensive evaluation of the long-term effects of these processes and implementing effective management strategies is essential.
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Affiliation(s)
- Van-Giang Le
- Central Institute for Natural Resources and Environmental Studies, Vietnam National University (CRES-VNU), Hanoi, 111000, Viet Nam
| | - Minh-Ky Nguyen
- Faculty of Environment and Natural Resources, Nong Lam University, Hamlet 6, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, 700000, Viet Nam.
| | - Chitsan Lin
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan
| | - Hoang-Lam Nguyen
- Department of Civil Engineering, McGill University, Montreal, Canada
| | - Tri Quang Hung Nguyen
- Faculty of Environment and Natural Resources, Nong Lam University, Hamlet 6, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, 700000, Viet Nam
| | - Nguyen K Hue
- Faculty of Environment and Natural Resources, Nong Lam University, Hamlet 6, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, 700000, Viet Nam
| | - Quoc-Minh Truong
- Faculty of Management Science, Thu Dau Mot University, Binh Duong, 75000, Viet Nam
| | - Soon W Chang
- Department of Civil & Energy System Engineering, Kyonggi University, Suwon, 16227, South Korea
| | - X Hoan Nguyen
- Ho Chi Minh City University of Industry and Trade, Ho Chi Minh City, Viet Nam
| | - D Duc Nguyen
- Department of Civil & Energy System Engineering, Kyonggi University, Suwon, 16227, South Korea; Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City 700000, Viet Nam.
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14
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Ebrahim MM, El-Dakdoky MH, El-Shafiey SH, Amer AS. Oral exposure to polystyrene nanoplastics altered the hypothalamic-pituitary-testicular axis role in hormonal regulation, inducing reproductive toxicity in albino rats. Birth Defects Res 2024; 116:e2368. [PMID: 38873958 DOI: 10.1002/bdr2.2368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 05/14/2024] [Accepted: 05/27/2024] [Indexed: 06/15/2024]
Abstract
BACKGROUND Nanoplastics can be considered a novel contaminant for the environment because of their extensive applications in modern society, which represents a possible threat to humans. Nevertheless, the negative effect of polystyrene nanoplastics (PS-NPs) on male reproduction, fertility, and progeny outcomes is not well known. Thus, the aim of the present work was to calculate the median lethal dose (LD50) and investigate the consequences of exposure to PS-NPs (25 nm) on male reproductive toxicity. METHODS This investigation first determined the LD50 of PS-NPs in male Wistar rats, and then in a formal study, 24 rats were distributed into three groups (n = 8): the control group; the low-dose group (3 mg/kg bw); and the high-dose group (10 mg/kg bw) of PS-NPs administered orally for 60 days. On the 50th day of administration, the fertility test was conducted. RESULTS The LD50 was determined to be 2500 mg/kg. PS-NP administration induced significant alternations, mainly indicating mortality in the high-dose group, a significant elevation in body weight gain, declined sperm quality parameters, altered reproductive hormonal levels, thyroid endocrine disruption, an alternation of the normal histo-architecture and the histo-morphometric analysis of the testes, and impaired male fertility. CONCLUSION Altogether, the current findings provide novel perspectives on PS-NP general toxicity with specific reference to male reproductive toxicity.
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Affiliation(s)
- Marwa M Ebrahim
- Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
| | - Mai H El-Dakdoky
- Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
| | - Sara Hatem El-Shafiey
- Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
| | - Amany S Amer
- Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
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15
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Sun J, Su F, Chen Y, Wang T, Ali W, Jin H, Xiong L, Ma Y, Liu Z, Zou H. Co-exposure to PVC microplastics and cadmium induces oxidative stress and fibrosis in duck pancreas. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172395. [PMID: 38608882 DOI: 10.1016/j.scitotenv.2024.172395] [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: 12/07/2023] [Revised: 03/20/2024] [Accepted: 04/09/2024] [Indexed: 04/14/2024]
Abstract
PVC microplastics (PVC-MPs) are environmental pollutants that interact with cadmium (Cd) to exert various biological effects. Ducks belong to the waterfowl family of birds and therefore are at a higher risk of exposure to PVC-MPs and Cd than other animals. However, the effects of co-exposure of ducks to Cd and PVC-MPs are poorly understood. Here, we used Muscovy ducks to establish an in vivo model to explore the effects of co-exposure to 1 mg/L PVC-MPs and 50 mg/kg Cd on duck pancreas. After 2 months of treatment with 50 mg/kg Cd, pancreas weight decreased by 21 %, and the content of amylase and lipase increased by 25 % and 233 %. However, exposure to PVC-MPs did not significantly affect the pancreas. Moreover, co-exposure to PVC-MPs and Cd worsened the reduction of pancreas weight and disruption of pancreas function compared to exposure to either substance alone. Furthermore, our research has revealed that exposure to PVC-MPs or Cd disrupted mitochondrial structure, reduced ATP levels by 10 % and 18 %, inhibited antioxidant enzyme activity, and increased malondialdehyde levels by 153.8 % and 232.5 %. It was found that exposure to either PVC-MPs or Cd can induce inflammation and fibrosis in the duck pancreas. Notably, co-exposure to PVC-MPs and Cd exacerbated inflammation and fibrosis, with the content of IL-1, IL-6, and TNF-α increasing by 169 %, 199 %, and 98 %, compared to Cd exposure alone. The study emphasizes the significance of comprehending the potential hazards linked to exposure to these substances. In conclusion, it presents promising preliminary evidence that PVC-MPs accumulate in duck pancreas, and increase the accumulation of Cd. Co-exposure to PVC-MPs and Cd disrupts the structure and function of mitochondria and promotes the development of pancreas inflammation and fibrosis.
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Affiliation(s)
- Jian Sun
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Fangyu Su
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Yan Chen
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Tao Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Waseem Ali
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Hengqi Jin
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China
| | - Ling Xiong
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Yonggang Ma
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Zongping Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China.
| | - Hui Zou
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China.
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16
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Fang Q, Wang C, Xiong Y. Polystyrene microplastics induce male reproductive toxicity in mice by activating spermatogonium mitochondrial oxidative stress and apoptosis. Chem Biol Interact 2024; 396:111043. [PMID: 38735450 DOI: 10.1016/j.cbi.2024.111043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 04/26/2024] [Accepted: 05/07/2024] [Indexed: 05/14/2024]
Abstract
Microplastics have emerged as environmental hazards in recent years. This study was intended to prove the toxic effects of microplastics on the male reproductive system and further elucidate its mechanism. C57bl/6 mice were exposed to ultrapure water or different doses (0.25, 0.5 and 1 mg/d) of 5 μm polystyrene microplastics (PS-MPs) for 4 weeks, and the GC-1 mouse spermatogonium was treated with different concentrations of PS-MPs. The results showed that sperm count and motility were decreased, and sperm deformity rate was increased after exposure to PS-MPs. The morphology of testes in PS-MPs groups exhibited pathological changes, such as abnormal development of spermatogenic tubules, and inhibited spermatogonium function. Furthermore, the fluorescence intensity of TUNEL staining and the BAX/BCL2 ratio were increased. Exposure to PS-MPs resulted in impaired mitochondrial morphology of spermatogonium, decreased activity of GSH-px and SOD, and increased the MDA level. In vitro, after treatment with PS-MPs, the cell apoptosis rate of spermatogonium was significantly increased, mitochondrial membrane potential was decreased, mitochondrial morphology was damaged, and exposure to PS-MPs increased mitochondrial reactive oxygen species, inducing an oxidative stress state in spermatogonia. In summary, PS-MPs induced a decrease in sperm quality by activating spermatogonium mitochondrial oxidative stress and apoptosis, offering novel insights into mitigating the reproductive toxicity of microplastics.
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Affiliation(s)
- Qing Fang
- Department of Anesthesia, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China
| | - Chenyang Wang
- Department of Pain Management, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Ying Xiong
- Department of Anesthesia, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
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17
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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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18
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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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19
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Farag AA, Bayoumi H, Radwaan SE, El Gazzar WB, Youssef HS, Nasr HE, Badr AM, Mansour HM, Elalfy A, Sayed AEDH, Kharboush TG, Aboelkomsan EAF, Sliem RE. Melatonin counteracts polyethylene microplastics induced adreno-cortical damage in male albino rats. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 279:116499. [PMID: 38805828 DOI: 10.1016/j.ecoenv.2024.116499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 05/03/2024] [Accepted: 05/21/2024] [Indexed: 05/30/2024]
Abstract
There are various substances that can disrupt the homeostatic mechanisms of the body, defined as endocrine-disrupting chemicals (EDCs). The persistent nature of microplastics (MPs) is a cause for concern due to their ability to accumulate in food chains and widespread use, making their toxic effects particularly alarming. The potential of MPs for disrupting the endocrine system was observed in multiple tissues. Moreover, the adrenal gland is known to be extremely sensitive to EDCs, while with the effect of MPs on the adrenal gland has not previously been studied. This study aimed to highlight the potential polyethylene microplastics (PE-MPs) induced adreno-toxic effects rather than exploring the implicated mechanisms and concluding if melatonin (Mel) can afford protection against PE-MPs induced adreno-toxicity. To fulfill the goal, six groups of rats were used; control, Mel, PE-MPs (3.75 mg/kg), PE-MPs (15 mg/kg), PE-MPs (3.75 mg/kg) +Mel, and PE-MPs (15 mg/kg) +Mel. PE-MPs induced toxic changes in the adrenal cortex, which was evident by increased adrenal weight, histopathological examination, and ultrastructural changes detected by electron microscope. A reduction in serum cortisol and an increase in serum adrenocorticotropic hormone resulted from the adreno-toxic effects of PE-MPs. Mechanisms may include the reduction of steroidogenesis-related genes, as PE-MPs drastically reduce mRNA levels of StAR, Nr0b1, Cyp11A1, as well as Cyp11B1. Also, oxidative stress that results from PE-MPs is associated with higher rates of lipid peroxidation and decreased superoxide dismutase and glutathione. PE-MPs inflammatory effect was illustrated by elevated expression of IL-1β and NF-ķB, detected by immunohistochemical staining, in addition to increased expression of caspase-3 and mRNA of Bax, markers of proapoptotic activity. The impacts of PE-MPs were relatively dose-related, with the higher dose showing more significant toxicity than the lower one. Mel treatment was associated with a substantial amelioration of PE-MPs-induced toxic changes. Collectively, this study fills the knowledge gap about the MPs-induced adrenal cortex and elucidates various related toxic mechanisms. It also supports Mel's potential protective activity through antioxidant, anti-inflammatory, anti-apoptotic, and gene transcription regulatory effects.
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Affiliation(s)
- Amina A Farag
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Benha University, Benha City 13518, Egypt
| | - Heba Bayoumi
- Department of Histology and Cell Biology, Faculty of Medicine, Benha University, Benha City 13518, Egypt
| | - Shaimaa E Radwaan
- Department of Zoology, Faculty of Science, Benha University, Benha City 13518, Egypt
| | - Walaa Bayoumie El Gazzar
- Department of Anatomy, Physiology and Biochemistry, Faculty of Medicine, the Hashemite University, Zarqa 13133, Jordan; Department of Medical Biochemistry and Molecular biology, Faculty of Medicine, Benha University, Benha city 13518, Egypt
| | - Heba S Youssef
- Department of Physiology, Faculty of Medicine, Benha University, Benha City 13518, Egypt
| | - Hend Elsayed Nasr
- Department of Medical Biochemistry and Molecular biology, Faculty of Medicine, Benha University, Benha city 13518, Egypt
| | - Amira M Badr
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Heba M Mansour
- Department of Pharmacology and Toxicology, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University for Science and Technology, October City 12573, Egypt
| | - Amira Elalfy
- Department of Histology and Cell Biology, Faculty of Medicine, Benha University, Benha City 13518, Egypt
| | - Alaa El-Din Hamid Sayed
- Department of Zoology, Faculty of Science, Assiut University, 71516, Egypt; Molecular Biology Research & Studies Institute, Assiut University, 71516 Assiut, Egypt.
| | - Tayseir G Kharboush
- Department of Pharmacology and therapeutics, Faculty of Medicine, Benha University, Benha City 13518, Egypt
| | | | - Rania E Sliem
- Department of Zoology, Faculty of Science, Benha University, Benha City 13518, Egypt
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20
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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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21
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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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22
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Li XW, Li S, Yang Y, Talukder M, Xu XW, Li CX, Zhang C, Li XN, Li JL. The FAK/occludin/ZO-1 complex is critical for cadmium-induced testicular damage by disruption of the integrity of the blood-testis barrier in chickens. JOURNAL OF HAZARDOUS MATERIALS 2024; 470:134126. [PMID: 38554509 DOI: 10.1016/j.jhazmat.2024.134126] [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: 01/25/2024] [Revised: 03/08/2024] [Accepted: 03/23/2024] [Indexed: 04/01/2024]
Abstract
Cadmium (Cd) is a well-known testis toxicant. The blood-testis barrier (BTB) is a crucial component of the testis. Cd can disrupt the integrity of the BTB and reproductive function. However, the mechanism of Cd-induced disruption of BTB and testicular damage has not been fully elucidated. Here, our study investigates the effects of Cd on BTB integrity and testicular dysfunction. 80 (aged 1 day) Hy-Line white variety chickens were randomly designed into 4 groups and treated for 90 days, as follows: control group (essential diet), 35 Cd, 70 Cd and 140 Cd groups (35, 70 and 140 mg/kg Cd). The results found that Cd exposure diminished volume of the testes and induced histopathological lesions in the testes. Exposure to Cd induced an inflammatory response, disrupted the structure and function of the FAK/occludin/ZO-1 protein complex and disrupted the tight junction and adherens junction in the BTB. In addition, Cd exposure reduced the expression of steroid-related proteins and inhibited testosterone synthesis. Taken together, these data elucidate that Cd disrupts the integrity of the BTB and further inhibits spermatogenesis by dissociating the FAK/occludin/ZO-1 complex, which provides a basis for further investigation into the mechanisms of Cd-induced impairment of male reproductive function and pharmacological protection.
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Affiliation(s)
- Xiao-Wei Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Sheng Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yu Yang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Milton Talukder
- Department of Physiology and Pharmacology, Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Barishal 8210, Bangladesh
| | - Xiang-Wen Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Chen-Xi Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Cong Zhang
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, PR China
| | - Xue-Nan Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin 150030, PR China; Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin 150030, PR China.
| | - Jin-Long Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin 150030, PR China; Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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23
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Kadac-Czapska K, Ośko J, Knez E, Grembecka M. Microplastics and Oxidative Stress-Current Problems and Prospects. Antioxidants (Basel) 2024; 13:579. [PMID: 38790684 PMCID: PMC11117644 DOI: 10.3390/antiox13050579] [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: 04/15/2024] [Revised: 04/29/2024] [Accepted: 05/03/2024] [Indexed: 05/26/2024] Open
Abstract
Microplastics (MPs) are plastic particles between 0.1 and 5000 µm in size that have attracted considerable attention from the scientific community and the general public, as they threaten the environment. Microplastics contribute to various harmful effects, including lipid peroxidation, DNA damage, activation of mitogen-activated protein kinase pathways, cell membrane breakages, mitochondrial dysfunction, lysosomal defects, inflammation, and apoptosis. They affect cells, tissues, organs, and overall health, potentially contributing to conditions like cancer and cardiovascular disease. They pose a significant danger due to their widespread occurrence in food. In recent years, information has emerged indicating that MPs can cause oxidative stress (OS), a known factor in accelerating the aging of organisms. This comprehensive evaluation exposed notable variability in the reported connection between MPs and OS. This work aims to provide a critical review of whether the harmfulness of plastic particles that constitute environmental contaminants may result from OS through a comprehensive analysis of recent research and existing scientific literature, as well as an assessment of the characteristics of MPs causing OS. Additionally, the article covers the analytical methodology used in this field. The conclusions of this review point to the necessity for further research into the effects of MPs on OS.
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Affiliation(s)
| | | | | | - Małgorzata Grembecka
- Department of Bromatology, Faculty of Pharmacy, Medical University of Gdańsk, 80-416 Gdańsk, Poland; (K.K.-C.); (J.O.); (E.K.)
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24
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Ali W, Buriro RS, Gandahi JA, Chen Y, Aabdin ZU, Bhutto S, Sun J, Zhu J, Liu Z, Zou H. A critical review on male-female reproductive and developmental toxicity induced by micro-plastics and nano-plastics through different signaling pathways. Chem Biol Interact 2024; 394:110976. [PMID: 38552764 DOI: 10.1016/j.cbi.2024.110976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/16/2024] [Accepted: 03/26/2024] [Indexed: 04/01/2024]
Abstract
It is widely accepted that humans are constantly exposed to micro-plastics and nano-plastics through various routes, including inhalation of airborne particles, exposure to dust, and consumption of food and water. It is estimated that humans may consume thousand to millions of micro-plastic particles, equating to several milligrams per day. Prolonged exposure to micro-plastics and nano-plastics has been linked to negative effects on different living organisms, including neurotoxicity, gastrointestinal toxicity, nephrotoxicity, and hepatotoxicity, and developmental toxicities. The main purpose of this review is to explore the effect of micro-plastics and nano-plastics on the male and female reproductive system, as well as their offspring, and the associated mechanism implicated in the reproductive and developmental toxicities. Micro-plastics and nano-plastics have been shown to exert negative effects on the reproductive system of both male and female mammals and aquatic animals, including developmental impacts on gonads, gametes, embryo, and their subsequent generation. In addition, micro-plastics and nano-plastics impact the hypothalamic-pituitary axes, leading to oxidative stress, reproductive toxicity, neurotoxicity, cytotoxicity, developmental abnormalities, poor sperm quality, diminishes ovarian ovulation and immune toxicity. This study discusses the so many different signaling pathways associated in the male and female reproductive and developmental toxicity induced by micro-plastics and nano-plastics.
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Affiliation(s)
- Waseem Ali
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China
| | - Rehana Shahnawaz Buriro
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China
| | - Jameel Ahmed Gandahi
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China
| | - Yan Chen
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China
| | - Zain Ul Aabdin
- Department of Preventive Veterinary Medicine and Public Health Faculty of Veterinary and Animal Sciences, Ziauddin University, Pakistan
| | - Sahar Bhutto
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China
| | - Jian Sun
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China
| | - Jiaqiao Zhu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China
| | - Zongping Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China.
| | - Hui Zou
- College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, 225009, PR China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, Jiangsu, 225009, PR China.
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25
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Ye J, Ren Y, Dong Y, Fan D. Understanding the impact of nanoplastics on reproductive health: Exposure pathways, mechanisms, and implications. Toxicology 2024; 504:153792. [PMID: 38554767 DOI: 10.1016/j.tox.2024.153792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 02/28/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024]
Abstract
Microplastic pollution is a pressing global environmental concern with particular urgency surrounding the issue of nanoplastic particles. Plastic products exhibit a remarkable persistence in natural ecosystems, resisting easy degradation. Nanoplastics, characterized by their diminutive size, possess distinct properties when compared to their larger counterparts, which could potentially render them more ecologically detrimental. Microplastics themselves serve as carriers for toxic and hazardous substances, such as plastic additives, that enter and persist in the environmental cycle. Importantly, nanoplastics exhibit enhanced bioavailability upon entering the food chain. Notably, studies have demonstrated the adverse effects of nanoplastics on the reproductive function of aquatic organisms, and evidence of micro- and nanoplastics have emerged within human reproductive organs, including the placenta. However, a knowledge gap persists regarding the impacts of nanoplastics on the reproductive systems of mammals and, indeed, humans. This paper aims to elucidate the less frequently discussed sources and distribution of nanoplastics in the environment, along with the pathways of human exposure. We also emphasize the extent to which nanoplastics accumulate within the reproductive systems of organisms. Subsequently, we present an in-depth analysis of the effects of nanoplastics and their associated contaminants on mammalian and human reproductive health. The mechanisms through which nanoplastics contribute to reproductive disorders are comprehensively explored, highlighting their potential to disrupt endocrine levels in mammals and humans. Additionally, we scrutinize and discuss studies on biotoxicity of nanoplastics, offering insights into potential areas for future research.
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Affiliation(s)
- Jingfan Ye
- Key Laboratory of Shale Gas and Geological Engineering, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China; Innovation Academy for Earth Science, Chinese Academy of Sciences, Beijing, China; College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Yun Ren
- Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
| | - Yanhui Dong
- Key Laboratory of Shale Gas and Geological Engineering, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, China; Innovation Academy for Earth Science, Chinese Academy of Sciences, Beijing, China; College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, China.
| | - Dongwei Fan
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China; Beijing Key Laboratory of Spinal Disease Research, Beijing, China; Engineering Research Center of Bone and Joint Precision Medicine, Ministry of Education, Beijing, China.
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26
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Boccia P, Mondellini S, Mauro S, Zanellato M, Parolini M, Sturchio E. Potential Effects of Environmental and Occupational Exposure to Microplastics: An Overview of Air Contamination. TOXICS 2024; 12:320. [PMID: 38787098 PMCID: PMC11125735 DOI: 10.3390/toxics12050320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/25/2024]
Abstract
Microplastics (MPs) are now ubiquitous environmental contaminants that lead to unavoidable human exposure; they have received increasing attention in recent years and have become an emerging area of research. The greatest concern is the negative impacts of MPs on marine, fresh-water, and terrestrial ecosystems, as well as human health, to the extent that the World Health Organization (WHO) calls for increased research and standardized methods to assess exposure to MPs. Many countries and international organizations are implementing or proposing legislation in this regard. This review aims to summarize the current state of legislation, indoor and outdoor contamination, and potential human health risk due to exposure to airborne MPs, considering that occupational exposure to MPs is also becoming a growing area of concern. Even though research regarding MPs has continuously increased in the last twenty years, the effects of MPs on human health have been scarcely investigated, and toxicity studies are still limited and not directly comparable, due to the lack of standardized studies in this field.
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Affiliation(s)
- Priscilla Boccia
- INAIL—Istituto Nazionale per L’Assicurazione Contro gli Infortuni sul Lavoro, Dit, 38/40 Via Roberto Ferruzzi, 00143 Rome, Italy; (M.Z.); (E.S.)
| | - Simona Mondellini
- Department of Environmental Science and Policy, University of Milan, Via Celoria 26, 20133 Milan, Italy; (S.M.); (M.P.)
| | - Simona Mauro
- Chemistry Department, University of Rome “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy;
| | - Miriam Zanellato
- INAIL—Istituto Nazionale per L’Assicurazione Contro gli Infortuni sul Lavoro, Dit, 38/40 Via Roberto Ferruzzi, 00143 Rome, Italy; (M.Z.); (E.S.)
| | - Marco Parolini
- Department of Environmental Science and Policy, University of Milan, Via Celoria 26, 20133 Milan, Italy; (S.M.); (M.P.)
| | - Elena Sturchio
- INAIL—Istituto Nazionale per L’Assicurazione Contro gli Infortuni sul Lavoro, Dit, 38/40 Via Roberto Ferruzzi, 00143 Rome, Italy; (M.Z.); (E.S.)
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Gao X, Xu K, Du W, Wang S, Jiang M, Wang Y, Han Q, Chen M. Comparing the effects and mechanisms of exposure to polystyrene nanoplastics with different functional groups on the male reproductive system. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 922:171299. [PMID: 38423318 DOI: 10.1016/j.scitotenv.2024.171299] [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: 10/24/2023] [Revised: 01/14/2024] [Accepted: 02/25/2024] [Indexed: 03/02/2024]
Abstract
After aging in the environment, some nanoplastics will carry different charges and functional groups, thereby altering their toxicological effects. To evaluate the potential impact of aging of nanoplastics on the mammalian reproductive system, we exposed C57BL/6 male mice to a dose of 5 mg/kg/d polystyrene nanoparticles (PS-NPs) with different functional groups (unmodified, carboxyl functionalized and amino functionalized) for 45 days for this study. The results suggest that PS-NPs with different functional groups triggered oxidative stress, a decreased in the testis index, disruption of the outer wall of the seminiferous tubules, reduction in the number of spermatogonia cells and sperm counts, and an increased in sperm malformations. We performed GO and KEGG enrichment analysis on the differentially expressed proteins, and found they were mainly enriched in protein transport, RNA splicing and mTOR signaling. We confirmed that the PI3K-AKT-mTOR pathway is over activated, which may lead to reduction of spermatogonia stem cells by over differentiation. Strikingly, PS-NPs with functional group modifications are more toxic than those of unmodified polystyrene, and that PS-NPs with positively charged amino modifications are the most toxic. This study provides a new understanding for correctly evaluating the toxicological effects of plastic aging, and of the mechanism responsible for the reproductive toxicity caused by nanoplastics.
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Affiliation(s)
- Xiao Gao
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, Hubei, China
| | - Ke Xu
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, Hubei, China
| | - Wanting Du
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, Hubei, China
| | - Shuxin Wang
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, Hubei, China
| | - Mengling Jiang
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, Hubei, China
| | - Yunyi Wang
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, Hubei, China
| | - Qi Han
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, Hubei, China
| | - Mingqing Chen
- Hubei Key Laboratory of Genetic Regulation and Integrative Biology, School of Life Sciences, Central China Normal University, Wuhan 430079, Hubei, China.
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28
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Zhang D, Wu C, Liu Y, Li W, Li S, Peng L, Kang L, Ullah S, Gong Z, Li Z, Ding D, Jin Z, Huang H. Microplastics are detected in human gallstones and have the ability to form large cholesterol-microplastic heteroaggregates. JOURNAL OF HAZARDOUS MATERIALS 2024; 467:133631. [PMID: 38335610 DOI: 10.1016/j.jhazmat.2024.133631] [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: 01/21/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024]
Abstract
Ubiquitous pollution due to microplastics through the food chain is a major cause of various deleterious effects on the human health. The aim of this study was to determine the existence of microplastics and the internal mechanism of microplastics as accelerators of cholelithiasis. Gallstones were collected from 16 patients after cholecystectomy, and microplastics in the gallstones were detected through laser direct infrared and pyrolysis gas chromatographymass spectrometry examinations. Mice model of gallstone were constructed with or without different diameters of microplastic (0.5, 5 and 50 µm). The affinity between microplastic and cholesterol or bilirubin was tested by co-culturing and qualified using molecular dynamics simulations. Finally, altered gut microbiota among the groups were identified using 16 s rRNA sequencing. The presence of microplastics in the gallstones of all the patients were confirmed. Microplastic content was significantly higher in younger chololithiasis patients (age<50 years). Mice fed a high-cholesterol diet with microplastic drinks showed more severe chololithiasis. In terms of the mechanism, microplastics showed a higher affinity for cholesterol than for bilirubin. Significant alterations in the gut microbiota have also been identified after microplastic intake in mice. Our study revealed the presence of microplastics in human gallstones, showcasing their potential to aggravate chololithiasis by forming large cholesterol-microplastic heteroaggregates and altering the gut microbiota.
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Affiliation(s)
- Deyu Zhang
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Chang Wu
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Yue Liu
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Wanshun Li
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Shiyu Li
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Lisi Peng
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Le Kang
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Saif Ullah
- Department of Gastroenterology, First affiliated Hospital of Zhengzhou University, Zhengzhou 450000, China
| | - Zijun Gong
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Zhaoshen Li
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Dan Ding
- Department of General Surgery, Changhai Hospital, Naval Medical University, Shanghai 200433, China.
| | - Zhendong Jin
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China.
| | - Haojie Huang
- Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai 200433, China.
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Cui J, Zhu M, Sun X, Yang J, Guo M. Microplastics induced endoplasmic reticulum stress to format an inflammation and cell death in hepatocytes of carp (Cyprinus carpio). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 269:106870. [PMID: 38395010 DOI: 10.1016/j.aquatox.2024.106870] [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: 01/28/2024] [Revised: 02/15/2024] [Accepted: 02/18/2024] [Indexed: 02/25/2024]
Abstract
Microplastics (MPs) are a serious threat to the living environment of aquatic organisms. However, there are fewer studies on the toxicity of microplastics to freshwater organisms. This study aimed to establish a polystyrene microplastics (PS-MPs) model by feeding carp (Cyprinus carpio) PS-MP (1000 ng/L) particles 8 μm in size. HE staining revealed a mass of inflammatory cells infiltrated in the carp hepatopancreas. The activities of alkaline phosphatase (AKP), aspartate transaminase (AST), lactate dehydrogenase (LDH), and alanine transaminase (ALT) were strengthened considerably, suggesting that PS-MPs cause injury to the hepatopancreas of carp. Real-Time polymerase chain reaction and western blotting results indicated increased levels of glucose-regulated protein 78 (GRP78), (PKR)-like ER kinase (PERK), eukaryotic translation initiation Factor 2α (EIF2α) and activating transcription Factor 4 (ATF4) genes and increased levels of inflammatory factors downstream of endoplasmic reticulum stress (ERs) thioredoxin-interacting protein (TXNIP), NOD-like receptor protein 3 (NLRP3), interleukin-18 (IL-18), interleukin-1β (IL-1β), and caspase 1. Increased expression of microtubule-associated protein-2 (LC3II), autophagy-related 5 (ATG5) and autophagy-related 12 (ATG12) genes revealed that PS-MPs promoted autophagy in carp hepatocytes. The enhanced expression of the Caspase 12, Caspase 3, and Bax genes suggested that PS-MPs led to the apoptosis of carp hepatocytes. These results suggest that PS-MPs result in serious injury to the hepatopancreas of carp. The present study of PS-MPs in freshwater fish from the aspect of endoplasmic reticulum stress was conducted to provide references and suggestions for toxicological studies of PS-MPs in freshwater environments.
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Affiliation(s)
- Jie Cui
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Mengran Zhu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Xiaoran Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Jie Yang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Mengyao Guo
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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30
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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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31
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Lu H, Hou L, Zhang Y, Guo T, Wang Y, Xing M. Polystyrene microplastics mediate cell cycle arrest, apoptosis, and autophagy in the G2/M phase through ROS in grass carp kidney cells. ENVIRONMENTAL TOXICOLOGY 2024; 39:1923-1935. [PMID: 38064284 DOI: 10.1002/tox.24068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 08/30/2023] [Accepted: 11/09/2023] [Indexed: 03/09/2024]
Abstract
Microplastics (MPs) have attracted widespread worldwide attention as a new pollutant. However, the role of reactive oxygen species (ROS) and cell cycle in nephrotoxicity induced by different concentrations of polystyrene microplastics (PS-MPs) is unknown. This study used grass carp kidney cells (CIK) treated with different concentrations of PS-MPs (0, 0.012, 0.0625, and 0.5 mg L-1 ) as subjects. With the increase of PS-MPs concentration, the levels of ROS and malonaldehyde increased, while the level of total antioxidant capacity, superoxide Dismutase (SOD), and glutathione (GSH) activity decreased. The expression of BUB1 mitotic checkpoint serine/threonine kinase (BUB1), cyclin-dependent kinase (CDK1), CDK2, CyclinB1, cell division cycle 20 homolog (CDC20), and B-cell lymphoma-2, sequestosome 1 decreased significantly. Nevertheless, the expression of Caspase 3, Cleave-Caspase 3, cytochrome c (Cytc), BCL2-associated X, apoptosis regulator, poly ADP-ribose polymerase (PARP), Cleave-PARP, Caspase 9, autophagy immunoblot kit (LC3), and Beclin1 increased. Our research shows that PS-MPs can trigger oxidative stress and induce cell cycle arrest, apoptosis, and autophagy in CIK cells by regulating ROS. This work provides a theoretical basis for cellular biology and toxicology mechanisms and new insights into the potential risks to animals from MPs exposure in the environment.
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Affiliation(s)
- Hongmin Lu
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, Heilongjiang, People's Republic of China
| | - Lulu Hou
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, Heilongjiang, People's Republic of China
| | - Yue Zhang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, Heilongjiang, People's Republic of China
| | - Tiantian Guo
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, Heilongjiang, People's Republic of China
| | - Yu Wang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, Heilongjiang, People's Republic of China
| | - Mingwei Xing
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, Heilongjiang, People's Republic of China
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Li X, Yang J, Luo H, Qiao Y, Zhao L, Cheng C, Fu W, Tan Y, Wang J, Liang C, Zhang J. Riboflavin Attenuates Fluoride-Induced Testicular Injury via Interleukin 17A-Mediated Classical Pyroptosis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:6143-6154. [PMID: 38475697 DOI: 10.1021/acs.jafc.3c09071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
Male reproductive toxicity of fluoride is of great concern worldwide, yet the underlying mechanism is unclear. Pyroptosis is a novel mode of inflammatory cell death, and riboflavin with anti-inflammatory properties has the potential to protect against fluoride damage. However, it is unknown whether pyroptosis is involved in fluoride-induced testicular injury and riboflavin intervention. Here, we first found that riboflavin could alleviate fluoride-caused lower sperm quality and damaged testicular morphology by reducing pyroptosis based on a model of ICR mice treated with NaF (100 mg/L) and/or riboflavin supplementation (40 mg/L) via drinking water for 13 weeks. And then, together with the results of in vitro Leydig cell modelsm it was confirmed that the pyroptosis occurs predominantly through classical NLRP3/Caspase-1/GSDMD pathway. Furthermore, our results reveal that interleukin-17A mediates the process of pyroptosis in testes induced by fluoride and riboflavin attenuation according to the results of our established models of riboflavin- and/or fluoride-treated IL-17A knockout mice. The results not only declare a new mechanism by which fluoride induces testicular injury via interleukin 17A-mediated classical pyroptosis but also provide evidence for the potential clinical application of riboflavin as an effective therapy for fluoride toxicity.
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Affiliation(s)
- Xiang Li
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Shanxi 030800, People's Republic of China
| | - Jie Yang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Shanxi 030800, People's Republic of China
| | - Huifeng Luo
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Shanxi 030800, People's Republic of China
| | - Yurou Qiao
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Shanxi 030800, People's Republic of China
| | - Liying Zhao
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Shanxi 030800, People's Republic of China
| | - Chenkai Cheng
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Shanxi 030800, People's Republic of China
| | - Weixiang Fu
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Shanxi 030800, People's Republic of China
| | - Yanjia Tan
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Shanxi 030800, People's Republic of China
| | - Jundong Wang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Shanxi 030800, People's Republic of China
| | - Chen Liang
- College of Animal Science, Shanxi Agricultural University, Jinzhong, Shanxi 030800, People's Republic of China
| | - Jianhai Zhang
- College of Veterinary Medicine, Shanxi Agricultural University, Jinzhong, Shanxi 030800, People's Republic of China
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Fontes BLM, de Souza E Souza LC, da Silva de Oliveira APS, da Fonseca RN, Neto MPC, Pinheiro CR. The possible impacts of nano and microplastics on human health: lessons from experimental models across multiple organs. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2024:1-35. [PMID: 38517360 DOI: 10.1080/10937404.2024.2330962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
The widespread production and use of plastics have resulted in accumulation of plastic debris in the environment, gradually breaking down into smaller particles over time. Nano-plastics (NPs) and microplastics (MPs), defined as particles smaller than 100 nanometers and 5 millimeters, respectively, raise concerns due to their ability to enter the human body through various pathways including ingestion, inhalation, and skin contact. Various investigators demonstrated that these particles may produce physical and chemical damage to human cells, tissues, and organs, disrupting cellular processes, triggering inflammation and oxidative stress, and impacting hormone and neurotransmitter balance. In addition, micro- and nano-plastics (MNPLs) may carry toxic chemicals and pathogens, exacerbating adverse effects on human health. The magnitude and nature of these effects are not yet fully understood, requiring further research for a comprehensive risk assessment. Nevertheless, evidence available suggests that accumulation of these particles in the environment and potential human uptake are causes for concern. Urgent measures to reduce plastic pollution and limit human exposure to MNPLs are necessary to safeguard human health and the environment. In this review, current knowledge regarding the influence of MNPLs on human health is summarized, including toxicity mechanisms, exposure pathways, and health outcomes across multiple organs. The critical need for additional research is also emphasized to comprehensively assess potential risks posed by degradation of MNPLs on human health and inform strategies for addressing this emerging environmental health challenge. Finally, new research directions are proposed including evaluation of gene regulation associated with MNPLs exposure.
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Affiliation(s)
- Bernardo Lannes Monteiro Fontes
- Laboratório Integrado de Ciências Morfofuncionais (LICM), Instituto de Sustentabilidade e Biodiversidade (NUPEM), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Lorena Cristina de Souza E Souza
- Laboratório Integrado de Ciências Morfofuncionais (LICM), Instituto de Sustentabilidade e Biodiversidade (NUPEM), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana Paula Santos da Silva de Oliveira
- Núcleo Multidisciplinar de Pesquisas em Biologia - NUMPEX-BIO, Campus Duque de Caxias Geraldo Cidade, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Duque de Caxias, Brazil
| | - Rodrigo Nunes da Fonseca
- Laboratório Integrado de Ciências Morfofuncionais (LICM), Instituto de Sustentabilidade e Biodiversidade (NUPEM), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marinaldo Pacifico Cavalcanti Neto
- Laboratório Integrado de Ciências Morfofuncionais (LICM), Instituto de Sustentabilidade e Biodiversidade (NUPEM), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Cintia Rodrigues Pinheiro
- Laboratório Integrado de Ciências Morfofuncionais (LICM), Instituto de Sustentabilidade e Biodiversidade (NUPEM), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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34
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Li Y, Liu Y, Chen Y, Yao C, Yu S, Qu J, Chen G, Wei H. Combined effects of polystyrene nanoplastics and lipopolysaccharide on testosterone biosynthesis and inflammation in mouse testis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 273:116180. [PMID: 38458071 DOI: 10.1016/j.ecoenv.2024.116180] [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: 11/27/2023] [Revised: 02/29/2024] [Accepted: 03/04/2024] [Indexed: 03/10/2024]
Abstract
Microplastics (MPs)/nanoplastics (NPs), as a source and vector of pathogenic bacteria, are widely distributed in the natural environments. Here, we investigated the combined effects of polystyrene NPs (PS-NPs) and lipopolysaccharides (LPS) on testicular function in mice for the first time. 24 male mice were randomly assigned into 4 groups, control, PS-NPs, LPS, and PS-NPs + LPS, respectively. Histological alterations of the testes were observed in mice exposed to PS-NPs, LPS or PS-NPs + LPS. Total sperm count, the levels of testosterone in plasma and testes, the expression levels of steroidogenic acute regulatory (StAR) decreased more remarkable in testes of mice treated with PS-NPs and LPS than the treatment with LPS or PS-NPs alone. Compared with PS-NPs treatment, LPS treatment induced more sever inflammatory response in testes of mice. Moreover, PS-NPs combined with LPS treatment increased the expression of these inflammatory factors more significantly than LPS treatment alone. In addition, PS-NPs or LPS treatment induced oxidative stress in testes of mice, but their combined effect is not significantly different from LPS treatment alone. These results suggest that PS-NPs exacerbate LPS-induced testicular dysfunction. Our results provide new evidence for the threats to male reproductive function induced by both NPs and bacterial infection in human health.
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Affiliation(s)
- Yanli Li
- Department of Occupational Medicine and Environmental Toxicology, College of Public Health, Nantong University, Nantong, Jiangsu 226019, China
| | - Yingqi Liu
- Department of Occupational Medicine and Environmental Toxicology, College of Public Health, Nantong University, Nantong, Jiangsu 226019, China; Wujiang Center for Disease Control and Prevention, Suzhou, Jiangsu 215299, China
| | - Yanhong Chen
- Department of Occupational Medicine and Environmental Toxicology, College of Public Health, Nantong University, Nantong, Jiangsu 226019, China
| | - Chenjuan Yao
- Department of Molecular Oral Physiology, Institute of Health Biosciences, University of Tokushima Graduate School, Tokushima-Shi, Tokushima 770-8504, Japan
| | - Shali Yu
- Department of Occupational Medicine and Environmental Toxicology, College of Public Health, Nantong University, Nantong, Jiangsu 226019, China
| | - Jianhua Qu
- Department of Occupational Medicine and Environmental Toxicology, College of Public Health, Nantong University, Nantong, Jiangsu 226019, China
| | - Gang Chen
- Department of Occupational Medicine and Environmental Toxicology, College of Public Health, Nantong University, Nantong, Jiangsu 226019, China.
| | - Haiyan Wei
- Department of Occupational Medicine and Environmental Toxicology, College of Public Health, Nantong University, Nantong, Jiangsu 226019, China.
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35
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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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36
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Huang J, Zhang Y, Fang L, Xi F, Tang C, Ou K, Wang C. Chronic exposure to low levels of phenanthrene induces histological damage and carcinogenic risk in the uterus of female mice. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:22858-22869. [PMID: 38413531 DOI: 10.1007/s11356-024-32636-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 02/21/2024] [Indexed: 02/29/2024]
Abstract
Phenanthrene (Phe), a polycyclic aromatic hydrocarbon with low molecular weight, is detected in the environment at high frequency. To study the toxic effects of Phe on the uterine structure and function, female Kunming mice were exposed to Phe (0.05, 0.5, 5 ng/mL) for 270 days by drinking water. Pathological alterations and their action pathways were analyzed using immunohistochemical and biomolecular technology. Phe significantly increased the percentage of blood vessel area, the number of endometrial neutrophils (indicating the occurrence of inflammation), collagen deposition (indicating fibrosis), and the percentage of Ki-67-positive cells (indicating carcinogenesis) in the uterus. Transcriptome sequencing identified differentially expressed genes that were mainly enriched in some signaling pathways, including inflammation and carcinogenesis, suggesting a carcinogenic risk in the Phe-exposed uterus. Elevated serum estrogen levels and decreased progesterone levels exhibited a disturbance of steroid hormone balance, which might be related to uterine damage. Upregulated protein levels of uterine androgen receptor and estrogen receptor α were linked to the pathological effects. Most of the effects exhibited a nonmonotonic dose response, which might be attributed to the corresponding change in the serum levels of Phe. The results suggest that exposure to low levels of Phe could exert adverse effects on the uterus.
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Affiliation(s)
- Jie Huang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, People's Republic of China
| | - Ying Zhang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, People's Republic of China
| | - Lu Fang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, People's Republic of China
| | - Feifei Xi
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, People's Republic of China
| | - Chen Tang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, People's Republic of China
| | - Kunlin Ou
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, People's Republic of China
| | - Chonggang Wang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Xiamen University, Xiamen, People's Republic of China.
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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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38
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Haleem N, Kumar P, Zhang C, Jamal Y, Hua G, Yao B, Yang X. Microplastics and associated chemicals in drinking water: A review of their occurrence and human health implications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169594. [PMID: 38154642 DOI: 10.1016/j.scitotenv.2023.169594] [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: 09/06/2023] [Revised: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 12/30/2023]
Abstract
Microplastics (MPs) have entered drinking water (DW) via various pathways, raising concerns about their potential health impacts. This study provides a comprehensive review of MP-associated chemicals, such as oligomers, plasticizers, stabilizers, and ultraviolet (UV) filters that can be leached out during DW treatment and distribution. The leaching of these chemicals is influenced by various environmental and operating factors, with three major ones identified: MP concentration and polymer type, pH, and contact time. The leaching process is substantially enhanced during the disinfection step of DW treatment, due to ultraviolet light and/or disinfectant-triggered reactions. The study also reviewed human exposure to MPs and associated chemicals in DW, as well as their health impacts on the human nervous, digestive, reproductive, and hepatic systems, especially the neuroendocrine toxicity of endocrine-disrupting chemicals. An overview of MPs in DW, including tap water and bottled water, was also presented to enable a background understanding of MPs-associated chemicals. In short, certain chemicals leached from MPs in DW can have significant implications for human health and demand further research on their long-term health impacts, mitigation strategies, and interactions with other pollutants such as disinfection byproducts (DBPs) and per- and polyfluoroalkyl substances (PFASs). This study is anticipated to facilitate the research and management of MPs in DW and beverages.
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Affiliation(s)
- Noor Haleem
- Department of Agricultural and Biosystems Engineering, South Dakota State University, Brookings, SD 57007, USA; Institute of Environmental Sciences and Engineering National University of Sciences and Technology, Islamabad 44000, Pakistan
| | - Pradeep Kumar
- Department of Agricultural and Biosystems Engineering, South Dakota State University, Brookings, SD 57007, USA
| | - Cheng Zhang
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, SD 57007, USA
| | - Yousuf Jamal
- Institute of Chemical Engineering & Technology, University of the Punjab, Lahore 54590, Pakistan
| | - Guanghui Hua
- Department of Civil and Environmental Engineering, South Dakota State University, Brookings, SD 57007, USA
| | - Bin Yao
- Department of Agricultural and Biosystems Engineering, South Dakota State University, Brookings, SD 57007, USA
| | - Xufei Yang
- Department of Agricultural and Biosystems Engineering, South Dakota State University, Brookings, SD 57007, USA.
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Zhao B, Rehati P, Yang Z, Cai Z, Guo C, Li Y. The potential toxicity of microplastics on human health. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168946. [PMID: 38043812 DOI: 10.1016/j.scitotenv.2023.168946] [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: 07/31/2023] [Revised: 11/25/2023] [Accepted: 11/25/2023] [Indexed: 12/05/2023]
Abstract
Microplastics are plastic particles, films, and fibers with a diameter of < 5 mm. Given their long-standing existence in the environment and terrible increase in annual emissions, concerns were raised about the potential health risk of microplastics on human beings. In particular, the increased consumption of masks during the COVID-19 pandemic has dramatically increased human contact with microplastics. To date, the emergence of microplastics in the human body, such as feces, blood, placenta, lower airway, and lungs, has been reported. Related toxicological investigations of microplastics were gradually increased. To comprehensively illuminate the interplay of microplastic exposure and human health, we systematically reviewed the updated toxicological data of microplastics and summarized their mode of action, adverse effects, and toxic mechanisms. The emerging critical issues in the current toxicological investigations were proposed and discussed. Our work would facilitate a better understanding of MPs-induced health hazards for toxicological evaluation and provide helpful information for regulatory decisions.
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Affiliation(s)
- Bosen Zhao
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Palizhati Rehati
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China
| | - Zhu Yang
- State Key Laboratory of Environmental and Biological Analysis, Hong Kong Baptist University, Hong Kong, China
| | - Zongwei Cai
- State Key Laboratory of Environmental and Biological Analysis, Hong Kong Baptist University, Hong Kong, China
| | - Caixia Guo
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China; Department of Occupational Health and Environmental Health, School of Public Health, Capital Medical University, Beijing 100069, China.
| | - Yanbo Li
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing 100069, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing 100069, China.
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40
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Wu Y, Li L, Tang L, Peijnenburg W, Zhang H, Xie D, Geng R, Zheng T, Bi L, Wei X, Chae HJ, Wang L, Zhao L, Li B, Zheng Q. Ototoxicity of polystyrene nanoplastics in mice, HEI-OC1 cells and zebrafish. Front Mol Neurosci 2024; 17:1345536. [PMID: 38440220 PMCID: PMC10909942 DOI: 10.3389/fnmol.2024.1345536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 01/17/2024] [Indexed: 03/06/2024] Open
Abstract
Polystyrene nanoplastics are a novel class of pollutants. They are easily absorbed by living organisms, and their potential toxicity has raised concerns. However, the impact of polystyrene nanoplastics on auditory organs remains unknown. Here, our results showed that polystyrene nanoplastics entered the cochlea of mice, HEI-OC1 cells, and lateral line hair cells of zebrafish, causing cellular injury and increasing apoptosis. Additionally, we found that exposure to polystyrene nanoplastics resulted in a significant elevation in the auditory brainstem response thresholds, a loss of auditory sensory hair cells, stereocilia degeneration and a decrease in expression of Claudin-5 and Occludin proteins at the blood-lymphatic barrier in mice. We also observed a significant decrease in the acoustic alarm response of zebrafish after exposure to polystyrene nanoplastics. Mechanistic analysis revealed that polystyrene nanoplastics induced up-regulation of the Nrf2/HO-1 pathway, increased levels of malondialdehyde, and decreased superoxide dismutase and catalase levels in cochlea and HEI-OC1 cells. Furthermore, we observed that the expression of ferroptosis-related indicators GPX4 and SLC7A11 decreased as well as increased expression of ACLS4 in cochlea and HEI-OC1 cells. This study also revealed that polystyrene nanoplastics exposure led to increased expression of the inflammatory factors TNF-α, IL-1β and COX2 in cochlea and HEI-OC1 cells. Further research found that the cell apoptosis, ferroptosis and inflammatory reactions induced by polystyrene nanoplastics in HEI-OC1 cells was reversed through the pretreatment with N-acetylcysteine, a reactive oxygen species inhibitor. Overall, our study first discovered and systematically revealed the ototoxicity of polystyrene nanoplastics and its underlying mechanism.
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Affiliation(s)
- Yuancheng Wu
- Hearing and Speech Rehabilitation Institute, Binzhou Medical University, Yantai, China
| | - Lianzhen Li
- College of Environmental Sciences and Engineering, Qingdao University, Qingdao, China
| | - Lihuan Tang
- Hearing and Speech Rehabilitation Institute, Binzhou Medical University, Yantai, China
| | - Willie Peijnenburg
- Institute of Environmental Sciences (CML), Leiden University, Leiden, Netherlands
- National Institute of Public Health and the Environment (RIVM), Center for Safety of Substances and Products, Bilthoven, Netherlands
| | - Huangruici Zhang
- Hearing and Speech Rehabilitation Institute, Binzhou Medical University, Yantai, China
| | - Daoli Xie
- Hearing and Speech Rehabilitation Institute, Binzhou Medical University, Yantai, China
| | - Ruishuang Geng
- Hearing and Speech Rehabilitation Institute, Binzhou Medical University, Yantai, China
| | - Tihua Zheng
- Hearing and Speech Rehabilitation Institute, Binzhou Medical University, Yantai, China
| | - Liyan Bi
- Hearing and Speech Rehabilitation Institute, Binzhou Medical University, Yantai, China
| | - Xiaodan Wei
- Department of Pathology, School of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Han-jung Chae
- School of Pharmacy, Jeonbuk National University, Jeonju, Republic of Korea
| | - Lan Wang
- Hearing and Speech Rehabilitation Institute, Binzhou Medical University, Yantai, China
| | - Li Zhao
- Hearing and Speech Rehabilitation Institute, Binzhou Medical University, Yantai, China
| | - Bo Li
- Hearing and Speech Rehabilitation Institute, Binzhou Medical University, Yantai, China
| | - Qingyin Zheng
- Department of Otolaryngology-Head and Neck Surgery, Case Western Reserve University, Cleveland, OH, United States
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41
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Zhu Y, Che R, Zong X, Wang J, Li J, Zhang C, Wang F. A comprehensive review on the source, ingestion route, attachment and toxicity of microplastics/nanoplastics in human systems. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 352:120039. [PMID: 38218169 DOI: 10.1016/j.jenvman.2024.120039] [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: 09/02/2023] [Revised: 12/04/2023] [Accepted: 12/25/2023] [Indexed: 01/15/2024]
Abstract
Microplastics (MPs)/nanoplastics (NPs) are widely found in the natural environment, including soil, water and the atmosphere, which are essential for human survival. In the recent years, there has been a growing concern about the potential impact of MPs/NPs on human health. Due to the increasing interest in this research and the limited number of studies related to the health effects of MPs/NPs on humans, it is necessary to conduct a systematic assessment and review of their potentially toxic effects on human organs and tissues. Humans can be exposed to microplastics through ingestion, inhalation and dermal contact, however, ingestion and inhalation are considered as the primary routes. The ingested MPs/NPs mainly consist of plastic particles with a particle size ranging from 0.1 to 1 μm, that distribute across various tissues and organs within the body, which in turn have a certain impact on the nine major systems of the human body, especially the digestive system and respiratory system, which are closely related to the intake pathway of MPs/NPs. The harmful effects caused by MPs/NPs primarily occur through potential toxic mechanisms such as induction of oxidative stress, generation of inflammatory responses, alteration of lipid metabolism or energy metabolism or expression of related functional factors. This review can help people to systematically understand the hazards of MPs/NPs and related toxicity mechanisms from the level of nine biological systems. It allows MPs/NPs pollution to be emphasized, and it is also hoped that research on their toxic effects will be strengthened in the future.
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Affiliation(s)
- Yining Zhu
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, China; Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Ruijie Che
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, China; Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Xinyan Zong
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, China; Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Jinhan Wang
- School of Public Health, Southeast University, Nanjing, Jiangsu, 210009, China
| | - Jining Li
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, China; Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Chaofeng Zhang
- Sino-Jan Joint Lab of Natural Health Products Research, School of Traditional Chinese Medicines, China Pharmaceutical University, Nanjing, Jiangsu, 210009, China
| | - Fenghe Wang
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu, 210023, China; Key Laboratory for Soft Chemistry and Functional Materials of Ministry of Education, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China.
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42
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Lee SH, Lin WY, Cheng TJ. Microbiota-mediated metabolic perturbations in the gut and brain of mice after microplastic exposure. CHEMOSPHERE 2024; 350:141026. [PMID: 38145850 DOI: 10.1016/j.chemosphere.2023.141026] [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: 09/14/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 12/27/2023]
Abstract
Microplastics (MPs), emerging environmental toxicants, have drawn attention because of their wide distribution in the environment. Exposure to MPs induces gut microbiota dysbiosis, intestinal barrier dysfunction, metabolic perturbations, and neurotoxicity in different rodents. However, the relationship between MPs, gut microbiota, and the metabolome of the gut and brain in mice remains unclear. In this study, female C57BL/6 mice were orally gavaged with vehicle, 200 nm MP, and 800 nm MP three times per week for four weeks. Cecal contents were collected for gut microbiota analysis using 16S rRNA gene sequencing. Intestinal and brain tissues from mice were used to determine metabolic profiles using liquid chromatography-mass spectrometry (LC-MS). The results showed that MP altered microbiota composition, accompanied by metabolic perturbations in the mouse gut and brain. Specifically, Firmicutes and Bacteroidetes were suggested to be important phyla for MP exposure, partially dominating further metabolite alterations. Simultaneously, MP-induced metabolic profiles were associated with energy homeostasis and bile acid, nucleotide, and carnitine metabolic pathways. The results of the mediation analysis further revealed an MP-microbiota-metabolite relationship. Our results indicate that MPs can induce gut dysbiosis and disturb metabolic dysfunction in the mouse brain and/or intestine. Integrative omics approaches have the potential to monitor MP-induced molecular responses in various organs and systematically elucidate the complex mechanisms of human health effects.
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Affiliation(s)
- Sheng-Han Lee
- School of Medicine, College of Medicine, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Wan-Yu Lin
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan; Master of Public Health Degree Program, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Tsun-Jen Cheng
- Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University, Taipei, Taiwan.
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Rong W, Chen Y, Xiong Z, Zhao H, Li T, Liu Q, Song J, Wang X, Liu Y, Liu S. Effects of combined exposure to polystyrene microplastics and 17α-Methyltestosterone on the reproductive system of zebrafish. Theriogenology 2024; 215:158-169. [PMID: 38070215 DOI: 10.1016/j.theriogenology.2023.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 12/01/2023] [Accepted: 12/01/2023] [Indexed: 01/06/2024]
Abstract
Polystyrene microplastics (PS-MPs) are important carriers of pollutants in water. 17α-Methyltestosterone (MT) is a synthetic environmental endocrine disrupting chemical (EDC) with androgenic effects. To study the effects of PS-MPs and MT on zebrafish reproductive systems, zebrafish were exposed to 0 or 50 ng L-1 MT, 0.5 mg∙L-1 PS-MPs, or 50 ng∙L-1 MT + 0.5 mg∙L-1 PS-MPs for 21 d. The results showed that the different exposure reagents caused varying degrees of damage to the reproductive systems in zebrafish, with the extent of damage increasing as the exposure duration increased. Histological analysis of the gonads revealed that the ratio of mature oocytes and mature spermatozoa in the gonad decreased gradually with increased exposure time, with the ratio being Control > PS-MPs > MT > MT + PS-MPs in decreasing order. The results of quantitative real-time PCR (qRT‒PCR) showed that in female fish treated for 7 d, the expression of cyp11a mRNA was significantly reduced in all three treatment groups(MT, PS-MPs, and MT + PS-MPs), while in the group treated for 14 d with MT + PS-MPs, the expression of cyp19a1a and StAR mRNA was significantly increased. In male fish exposed for 21 d, the expression of cyp11a, cyp17a1, cyp19a1a, StAR, 3β-HSD, and 17β-HSD3 mRNA was significantly decreased in MT + PS-MPs. ELISA results showed that after 14 d of exposure, the levels of E2, LH, and FSH in the ovaries of female fish were significantly reduced in all three treatment groups. Similarly, the levels of T, E2, LH, and FSH in the testis of male fish were significantly reduced after 14 d of exposure to PS-MPs and MT + PS-MPs. Offspring of zebrafish exposed to MT and MT + PS-MPs exhibited delayed incubation time and slow development. The cross-generational toxicity of PS-MPs themselves may be negligible, but it can exacerbate the toxicity of MT, making the cross-generational effects more pronounced in the offspring, causing offspring mortality and malformations. Offspring of zebrafish exposed to MT and MT + PS-MPs exhibited delayed incubation time and slow development. In addition, MT caused malformations such as pericardial edema, yolk cysts, and spinal deformities in zebrafish during the incubation period.
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Affiliation(s)
- Weiya Rong
- College of Animal Science, Shanxi Agricultural University, Jinzhong, 030801, China
| | - Yue Chen
- College of Animal Science, Shanxi Agricultural University, Jinzhong, 030801, China
| | - Zijun Xiong
- College of Animal Science, Shanxi Agricultural University, Jinzhong, 030801, China
| | - Haiyan Zhao
- College of Animal Science, Shanxi Agricultural University, Jinzhong, 030801, China
| | - Tongyao Li
- College of Animal Science, Shanxi Agricultural University, Jinzhong, 030801, China
| | - Qing Liu
- College of Animal Science, Shanxi Agricultural University, Jinzhong, 030801, China
| | - Jing Song
- College of Animal Science, Shanxi Agricultural University, Jinzhong, 030801, China
| | - Xianzong Wang
- College of Animal Science, Shanxi Agricultural University, Jinzhong, 030801, China
| | - Yu Liu
- College of Animal Science, Shanxi Agricultural University, Jinzhong, 030801, China
| | - Shaozhen Liu
- College of Animal Science, Shanxi Agricultural University, Jinzhong, 030801, China; Shanxi Key Laboratory of Animal Genetics Resource Utilization and Breeding, Jinzhong, 030801, China.
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44
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Akbar A, Ijaz MU. Pharmacotherapeutic potential of ginkgetin against polystyrene microplastics-instigated testicular toxicity in rats: A biochemical, spermatological, and histopathological assessment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:9031-9044. [PMID: 38182957 DOI: 10.1007/s11356-023-31662-7] [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: 08/14/2023] [Accepted: 12/18/2023] [Indexed: 01/07/2024]
Abstract
Polystyrene microplastics (PSMPs) have emerged as a ubiquitous environmental toxicant that affects different organs including testes. Ginkgetin (GNG) is a biflavonoid that shows antioxidant properties. The current research was undertaken to evaluate the ameliorative potential of GNG against PSMPs-instigated testicular damages. Forty-eight albino rats (male) were randomly divided into 4 equal groups: control, PSMPs-treated group (0.01 mgkg-1), GNG + PSMPs-exposed group (25 mgkg-1 + 0.01 mgkg-1), and only GNG-supplemented group (25 mgkg-1). After 56 days of treatment, it was revealed that PSMPs significantly reduced the activity of glutathione peroxidase (GPx), catalase (CAT), superoxide dismutase (SOD), and glutathione reductase (GSR), while concurrently augmented the levels of lipid peroxidation marker, i.e., malondialdehyde (MDA) along with reactive oxygen species (ROS). Rats administered with PSMPs showed a significant reduction in the spermatogenic indices (sperm count, viability, and motility), HOS coiled tail sperm along with increased sperm structural deformities, i.e., tail, head, and mid-piece. Additionally, PSMPs exposure decreased the levels of testosterone, luteinizing (LH), and follicle-stimulating hormones (FSH). Besides, administration of PSMPs reduced the steroidogenic enzymes (13β-HSD, StAR, and 17β-HSD) and Bcl-2 expression, while augmented the caspase-3 and Bax expression. PSMPs also elevated the levels of inflammatory markers (IL-6, IL-1β, TNF-α, and NF-κB) and activity of COX-2 in the testes. Furthermore, PSMPs treatment induced various histopathological damages in the testes of rats. Therefore, findings of the current study suggested that GNG effectively mitigated the PSMPs-induced testicular toxicity owing to its chemoprotective potential possibly through its anti-inflammatory, antioxidant, anti-apoptotic, and androgenic properties.
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Affiliation(s)
- Ali Akbar
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan
| | - Muhammad Umar Ijaz
- Department of Zoology, Wildlife and Fisheries, University of Agriculture, Faisalabad, Pakistan.
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Zurub RE, Cariaco Y, Wade MG, Bainbridge SA. Microplastics exposure: implications for human fertility, pregnancy and child health. Front Endocrinol (Lausanne) 2024; 14:1330396. [PMID: 38239985 PMCID: PMC10794604 DOI: 10.3389/fendo.2023.1330396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 12/11/2023] [Indexed: 01/22/2024] Open
Abstract
Plastics found in our everyday environment are becoming an increasing concern for individual and population-level health, and the extent of exposure and potential toxic effects of these contaminants on numerous human organ systems are becoming clear. Microplastics (MPs), tiny plastic particles, appear to have many of the same biological effects as their plastic precursors and have the compounded effect of potential accumulation in different organs. Recently, microplastic accumulation was observed in the human placenta, raising important questions related to the biological effects of these contaminants on the health of pregnancies and offspring. These concerns are particularly heightened considering the developmental origins of health and disease (DOHaD) framework, which postulates that in utero exposure can programme the lifelong health of the offspring. The current review examines the state of knowledge on this topic and highlights important avenues for future investigation.
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Affiliation(s)
- Rewa E. Zurub
- Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Yusmaris Cariaco
- Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
| | - Michael G. Wade
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, ON, Canada
| | - Shannon A. Bainbridge
- Interdisciplinary School of Health Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, ON, Canada
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
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Rao G, Qiao B, Zhong G, Li T, Su Q, Wu S, Tang Z, Hu L. Arsenic and polystyrene-nano plastics co-exposure induced testicular toxicity: Triggers oxidative stress and promotes apoptosis and inflammation in mice. ENVIRONMENTAL TOXICOLOGY 2024; 39:264-276. [PMID: 37705229 DOI: 10.1002/tox.23970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 07/31/2023] [Accepted: 08/30/2023] [Indexed: 09/15/2023]
Abstract
Co-existing of polystyrene-nano plastics (PSNPs) and arsenic (As) in the environment caused a horrendous risk to human health. However, the potential mechanism of PSNPs and As combination induced testicular toxicity in mammals has not been elucidated. Therefore, we first explore the testicular toxicity and the potential mechanism in male Kunming mice exposed to As or/and PSNPs. Results revealed that compared to the As or PSNPs group, the combined group showed more significant testicular toxicity. Specifically, As and PSNPs combination induced irregular spermatozoa array and blood-testis barrier disruption. Simultaneously, As and PSNPs co-exposure also exacerbated oxidative stress, including increasing the MDA content, and down-regulating expression of Nrf-2, HO-1, SOD-1, and Trx. PSNPs and As combination also triggered testicular apoptosis, containing changes in apoptotic factors (P53, Bax, Bcl-2, Cytc, Caspase-8, Caspase-9, and Caspase-3). Furthermore, co-exposed to As and PSNPs aggravated inflammatory damage characterized by targeted phosphorylation of NF-κB and degradation of I-κB. In summary, our results strongly confirmed As + PSNPs co-exposure induced the synergistic toxicity of testis through excessive oxidative stress, apoptosis, and inflammation, which could offer a new sight into the mechanism of environmental pollutants co-exposure induced male reproductive toxicity.
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Affiliation(s)
- Gan Rao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
- National Canine Laboratory Animal Resources Center, Guangzhou General Pharmaceutical Research Institute Co., Ltd., Guangzhou, China
| | - Baoxin Qiao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Gaolong Zhong
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Tong Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Qian Su
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Shaofeng Wu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Zhaoxin Tang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Lianmei Hu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
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Hwang YY, Sudirman S, Wei EY, Kong ZL, Hwang DF. Fucoidan from Cladosiphon okamuranus enhances antioxidant activity and prevents reproductive dysfunction in polystyrene microplastic-induced male rats. Biomed Pharmacother 2024; 170:115912. [PMID: 38056235 DOI: 10.1016/j.biopha.2023.115912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 11/12/2023] [Accepted: 11/20/2023] [Indexed: 12/08/2023] Open
Abstract
Plastic pollution, including microplastic, has emerged as a severe environmental and public health problem. The health risks, especially in the case of reproductive damage caused by polystyrene microplastic (PS-MP) exposure, are emerging problems that need to be solved. This study aimed to investigate the effects of fucoidan extracted from Cladosiphon okamuranus on the polystyrene microplastic-induced oxidative stress of the Leydig (LC540) cells and reproductive damage in male rats. The oxidative stress of the LC540 cells and reproductive damage in the rats were induced by PS-MP. The fucoidan treatment reduces nitric oxide (NO) and reactive oxygen species generation in the LC540 cells. In the animal study, fucoidan treatment enhanced enzymatic antioxidant activities (glutathione peroxidase, superoxide dismutase, glucose-6-phosphate dehydrogenase, and glutathione reductase) and reduced malondialdehyde and nitric oxide production. Fucoidan supplementation also downregulates tumor necrosis factor-alpha, interleukin-6, and caspase-3 expression. Additionally, fucoidan upregulates testosterone levels, prevents the reduction of epithelium thickness, and reduces the area of the seminiferous tubule lumen. According to these conditions, fucoidan from Cladosiphon okamuranus prevents reproductive damage by downregulating oxidative stress and pro-inflammatory cytokines. Therefore, fucoidan can be used as a source of food supplements or functional food ingredients for reproductive or testicular damage management.
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Affiliation(s)
- Yi-Yuh Hwang
- Department of Food Science, National Taiwan Ocean University, Keelung City 20224, Taiwan
| | - Sabri Sudirman
- Fisheries Product Technology, Faculty of Agriculture, Universitas Sriwijaya, Indralaya 30862, Indonesia
| | - En-Yu Wei
- Department of Food Science, National Taiwan Ocean University, Keelung City 20224, Taiwan
| | - Zwe-Ling Kong
- Department of Food Science, National Taiwan Ocean University, Keelung City 20224, Taiwan.
| | - Deng-Fwu Hwang
- Department of Food Science, National Taiwan Ocean University, Keelung City 20224, Taiwan.
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Zhang P, Zhang Y, Li P, Tu D, Zheng X. Effects of the adsorption behavior of polyamide microplastics on male reproductive health by reduction of testosterone bioavailability. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 269:115747. [PMID: 38070415 DOI: 10.1016/j.ecoenv.2023.115747] [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: 09/12/2023] [Revised: 11/16/2023] [Accepted: 11/24/2023] [Indexed: 01/12/2024]
Abstract
Microplastics (MPs) are global environmental pollutants with potential toxicity concerns, and their effects on the reproductive system have attracted increasing attention. This study investigated the interaction between MPs and mammalian biomolecules, focusing on the relationship between the testosterone adsorption behavior of MPs and male reproductive health. The adsorption capacity of different types of MPs for testosterone was evaluated in vitro experiments. Polyamide (PA)-MPs exhibited stronger adsorption, while polymethyl methacrylate (PMMA)-MPs displayed the weakest adsorption. Sorption equilibrium between PA-MPs and testosterone was achieved within 6 h, fitting the Pseudo-2nd-order model and Langmuir isotherm. The effects of MPs on male reproduction in mice was determined in vivo experiments. Male mice were treated with 0.1 and 0.5 mg/d PA-MPs/PMMA-MPs by gavage once per day for 28 days. The results showed that only 0.5 mg/d PA-MP exposure induced decreased serum testosterone levels, increased testicular testosterone levels compared to the control, and more severe damage to seminiferous tubule structure, sperm motility and sperm morphology compared to the PMMA-MPs group. Meanwhile, PA-MPs could reduce intracellular nuclear translocation of androgen receptor (AR) mediated by testosterone, while PMMA-MPs had no impact. The study revealed that PA-MP adsorption reduced testosterone bioavailability and caused sperm quality to decline, offering new insights into the combined toxicity mechanism of MPs in male mammals.
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Affiliation(s)
- Peiqi Zhang
- College of Veterinary Medicine, Hunan Agricultural University, Furong District, Changsha, Hunan 410000, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Furong District, Changsha, Hunan 410000, China
| | - Yuhang Zhang
- College of Veterinary Medicine, Hunan Agricultural University, Furong District, Changsha, Hunan 410000, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Furong District, Changsha, Hunan 410000, China
| | - Pishun Li
- College of Veterinary Medicine, Hunan Agricultural University, Furong District, Changsha, Hunan 410000, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Furong District, Changsha, Hunan 410000, China
| | - Di Tu
- College of Veterinary Medicine, Hunan Agricultural University, Furong District, Changsha, Hunan 410000, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Furong District, Changsha, Hunan 410000, China.
| | - Xiaofeng Zheng
- College of Veterinary Medicine, Hunan Agricultural University, Furong District, Changsha, Hunan 410000, China; Hunan Engineering Technology Research Center of Veterinary Drugs, Hunan Agricultural University, Furong District, Changsha, Hunan 410000, China.
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He Y, Yin R. The reproductive and transgenerational toxicity of microplastics and nanoplastics: A threat to mammalian fertility in both sexes. J Appl Toxicol 2024; 44:66-85. [PMID: 37382358 DOI: 10.1002/jat.4510] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/01/2023] [Accepted: 06/17/2023] [Indexed: 06/30/2023]
Abstract
Microplastics (MPs) and nanoplastics (NPs) are extensively distributed in the environment. However, a comprehensive review and in-depth discussion on the effects of MPs and NPs to reproductive capacity and transgenerational toxicity on mammals, especially on humans, is lacked. It is suggested that microplastics and nanoplastics could accumulate in mammalian reproductive organs and exert toxic effects on the reproductive system for both sexes. For males, the damage of microplastics consists of abnormal testicular and sperm structure, decreased sperm vitality, and endocrine disruption, which were caused by oxidative stress, inflammation, apoptosis of testicular cells, autophagy, abnormal cytoskeleton, and abnormal hypothalamic-pituitary-testicular axis. For females, the damage of microplastics includes abnormal ovary and uterus structure and endocrine disruption, which were caused by oxidative stress, inflammation, granulosa cell apoptosis, hypothalamic-pituitary-ovary axis abnormalities, and tissue fibrosis. For transgenerational toxicity, premature mortality existed in the rodent offspring after maternal exposure to microplastics. Among the surviving offspring, metabolic disorders, reproductive dysfunction, immune, neurodevelopmental, and cognitive disorders were detected, and these events directly correlated with transgenerational translocation of MPs and NPs. Studies on human-derived cells or organoids demonstrated that transgenerational toxicity studies for both sexes are yet in the phase of exploring suitable experimental models, and more detailed research on the threat of MPs and NPs to human fertility is still urgently needed. Further studies will help assess the MPs and NPs threat to public fertility and reproductive health risks.
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Affiliation(s)
- Yuchong He
- Queen Mary School, Nanchang University, Nanchang, Jiangxi Province, China
- The Key Laboratory of Reproductive Physiology and Pathology of Jiangxi Provincial, Nanchang University, Nanchang, Jiangxi Province, China
| | - Ruocheng Yin
- Queen Mary School, Nanchang University, Nanchang, Jiangxi Province, China
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Zhang Q, Xia W, Zhou X, Yang C, Lu Z, Wu S, Lu X, Yang J, Jin C. PS-MPs or their co-exposure with cadmium impair male reproductive function through the miR-199a-5p/HIF-1α-mediated ferroptosis pathway. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 339:122723. [PMID: 37838317 DOI: 10.1016/j.envpol.2023.122723] [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: 08/06/2023] [Revised: 10/05/2023] [Accepted: 10/08/2023] [Indexed: 10/16/2023]
Abstract
Microplastics (MPs) and cadmium (Cd) exist extensively in ambient environments and probably influence negatively on human health. However, the potential reproductive toxicity of MPs or MPs + Cd remains unknown. This study was aimed to observe the reproductive changes of male mice treated orally for 35 days with PS-MPs (100 mg/kg), CdCl2 (5 mg/kg) and PS-MPs plus CdCl2 mixture. We found that subchronic exposure to PS-MPs damaged mouse testicular tissue structure, reduced sperm quality and testosterone levels. Moreover, the reproductive toxicity in 0.1 μm group was stronger than 1 μm group, and mixture group was more severe than single particle size ones. Meanwhile, co-exposure of PS-MPs and Cd exacerbated reproductive injury in male mice, with an ascending toxicity of Cd, 1 μm + Cd, 0.1 μm + Cd, and 0.1+1 μm + Cd. In addition, we discovered that the testicular damage induced by PS-MPs or PS-MPs + Cd was associated with interfering the miR-199a-5p/HIF-1α/ferroptosis pathway. Promisingly, these findings will shed new light on how PS-MPs and PS-MPs + Cd damage male reproductive function.
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Affiliation(s)
- Qingpeng Zhang
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, Ministry of Education (China Medical University), Shenyang, 110122, PR China; Department of Toxicology, School of Public Health, China Medical University, Shenyang, 110122, PR China
| | - Wenting Xia
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, Ministry of Education (China Medical University), Shenyang, 110122, PR China
| | - Xingyue Zhou
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, Ministry of Education (China Medical University), Shenyang, 110122, PR China; Department of Toxicology, School of Public Health, China Medical University, Shenyang, 110122, PR China
| | - Chengying Yang
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, Ministry of Education (China Medical University), Shenyang, 110122, PR China; Department of Toxicology, School of Public Health, China Medical University, Shenyang, 110122, PR China
| | - Ziwei Lu
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, Ministry of Education (China Medical University), Shenyang, 110122, PR China; Department of Toxicology, School of Public Health, China Medical University, Shenyang, 110122, PR China
| | - Shengwen Wu
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, Ministry of Education (China Medical University), Shenyang, 110122, PR China; Department of Toxicology, School of Public Health, China Medical University, Shenyang, 110122, PR China
| | - Xiaobo Lu
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, Ministry of Education (China Medical University), Shenyang, 110122, PR China; Department of Toxicology, School of Public Health, China Medical University, Shenyang, 110122, PR China
| | - Jinghua Yang
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, Ministry of Education (China Medical University), Shenyang, 110122, PR China; Department of Toxicology, School of Public Health, China Medical University, Shenyang, 110122, PR China
| | - Cuihong Jin
- Key Laboratory of Environmental Stress and Chronic Disease Control & Prevention, Ministry of Education (China Medical University), Shenyang, 110122, PR China; Department of Toxicology, School of Public Health, China Medical University, Shenyang, 110122, PR China.
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