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Cossaboon JM, Teh SJ, Sant KE. Reproductive toxicity of DDT in the Japanese medaka fish model: Revisiting the impacts of DDT+ on female reproductive health. CHEMOSPHERE 2024; 357:141967. [PMID: 38615950 PMCID: PMC11160350 DOI: 10.1016/j.chemosphere.2024.141967] [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: 01/31/2024] [Revised: 03/21/2024] [Accepted: 04/08/2024] [Indexed: 04/16/2024]
Abstract
The organochlorine pesticide dichlorodiphenyltrichloroethane (DDT) is an endocrine-disrupting compound (EDC) that has been banned by most countries for decades. However, it continues to be detected in nearly all humans and wildlife due to its biological and environmental persistence. The ovarian dysgenesis syndrome hypothesis speculates that exposure to EDCs during sensitive developmental windows such as early gonadal differentiation lead to reproductive disorders later in life. Yet, mechanisms by which DDT affects developing gonads remain unclear due to the inherent challenge of getting developmental exposure data from adults presenting with reproductive disease. The Japanese medaka (Oryzias latipes) is a valuable fish model for sex-specific toxicological studies due to its chromosomal sex determination, external embryonic development, short generation time, and extensively mapped genome. It is well documented that medaka exposed to DDT and its metabolites and byproducts (herein referred to as DDT+) at different developmental time points experience permanent alterations in gonadal morphology, reproductive success, and molecular and hormonal signaling. However, the overwhelming majority of studies focus primarily on functional and morphological outcomes in males and females and have rarely investigated long-term transcriptional or molecular effects. This review summarizes previous experimental findings and the state of our knowledge concerning toxic effects DDT + on reproductive development, fertility, and health in the valuable medaka model. It also identifies gaps in knowledge, emphasizing a need for more focus on molecular mechanisms of ovarian endocrine disruption using enhanced molecular tools that have become increasingly available over the past few decades. Furthermore, DDT forms a myriad of over 45 metabolites and transformation products in biota and the environment, very few of which have been evaluated for environmental abundance or health effects. This reinforces the demand for high throughput and economical in vivo models for predictive toxicology screening, and the Japanese medaka is uniquely positioned to meet this need.
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Affiliation(s)
| | - Swee J Teh
- School of Veterinary Medicine, University of California, Davis, CA, 95616, USA
| | - Karilyn E Sant
- School of Public Health, San Diego State University, San Diego, CA, 92182, USA.
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2
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Paull GC, Lee CJ, Tyler CR. Beyond compliance: harmonising research and husbandry practices to improve experimental reproducibility using fish models. Biol Rev Camb Philos Soc 2024; 99:253-264. [PMID: 37817305 DOI: 10.1111/brv.13020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 09/19/2023] [Accepted: 09/21/2023] [Indexed: 10/12/2023]
Abstract
Reproducibility in animal research is impacted by the environment, by husbandry practices in the laboratory and by the animals' provenance. These factors, however, are often not adequately considered by researchers. A disconnect between researchers and animal care staff can result in inappropriate housing and husbandry decisions for scientific studies with those animals. This is especially the case for the research in neuro-behaviour, epigenetics, and the impact of climate change, as heritable phenotypic, behavioural or physiological changes are known to result from the animals' environmental housing, husbandry, provenance and prior experience. This can lead to greater variation (even major differences) in data outcomes among studies, driving scientific uncertainties. Herein, we illustrate some of the endpoints measured in fish studies known to be intrinsically linked to the environment and husbandry conditions and assess the significance of housing and husbandry practice decisions for research adopting these endpoints for different fish species. We highlight the different priorities and challenges faced by researchers and animal care staff and how harmonising their activities and building greater understanding of how husbandry practices affect the fish will improve reproducibility in research outcomes. We furthermore illustrate how improving engagement between stakeholders, including regulatory bodies, can better underpin fish husbandry decisions and where researchers could help to drive best husbandry practices through their own research with fish models.
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Affiliation(s)
- Gregory C Paull
- Biosciences, Geoffrey Pope Building, University of Exeter, Stocker Road, Exeter, EX4 4QD, UK
| | - Carole J Lee
- Biosciences, Geoffrey Pope Building, University of Exeter, Stocker Road, Exeter, EX4 4QD, UK
| | - Charles R Tyler
- Biosciences, Geoffrey Pope Building, University of Exeter, Stocker Road, Exeter, EX4 4QD, UK
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3
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Chernick M, Kennedy A, Thomas T, Scott KCK, Hendren CO, Wiesner MR, Hinton DE. Impacts of ingested MWCNT-Embedded nanocomposites in Japanese medaka ( Oryzias latipes). Nanotoxicology 2022; 15:1403-1422. [PMID: 35166633 DOI: 10.1080/17435390.2022.2028919] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Polymer nanocomposites combine the versatile, lightweight characteristics of polymers with the properties of nanomaterials. Polyethylene terephthalate glycol (PETG) is commonly used in polymer additive manufacturing due to its controllable transparency, high modulus, and mechanical properties. Multi-walled carbon nanotubes (MWCNTs) add tensile strength, electrical conductivity, and thermal stability. The increased use of nanocomposites has led to concern over potential human health risks. We assessed morphologic alterations to determine impacts of ingested abraded nanocomposites compared to its component materials, pristine MWCNTs (1000 mg/L) and PETG. Adult transparent Japanese medaka (Oryzias latipes) were administered materials via oral gavage in 7 doses over 16 days. In vivo observations revealed altered livers and gallbladders following exposure to pristine MWCNTs and nanocomposites. Subsequent histologic sections showed fish exposed to pristine MWCNTs had highly altered biliary structures, and exposure to nanocomposites resulted in hepatocellular alteration. Thyroid follicle proliferation was also observed in fish exposed to materials containing MWCNTs. Transmission electron microscopy of livers showed that hepatocytes of fish exposed to MWCNTs had widespread swelling of rough endoplasmic reticulum, pronounced lysosomal activity, and swelling of intrahepatic biliary passageways. Fish exposed to nanocomposites had areas of degenerated hepatocytes with interspersed cellular debris. Each analysis showed that fish exposed to pristine PETG were most similar to controls. These results suggest that MWCNTs are the source of toxicity in abraded nanocomposite materials but that nanocomposites may also have some unique effects. The similarities of many teleost and mammalian tissues are such that these findings may indicate human health risks.
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Affiliation(s)
- Melissa Chernick
- Nicholas School of the Environment, Duke University, Durham, NC, USA
| | - Alan Kennedy
- U.S. Army Engineer Research and Development Center, Environmental Laboratory, Vicksburg, MS, USA
| | - Treye Thomas
- United States Consumer Product Safety Commission, Bethesda, Maryland, USA
| | - Keana C K Scott
- National Institute of Standards and Technology, Gaithersburg, MD, USA
| | - Christine Ogilvie Hendren
- Civil and Environmental Engineering, Duke University, Durham, NC, USA.,Department of Geological and Environmental Sciences, Appalachian State University, Boone, NC, USA
| | - Mark R Wiesner
- Civil and Environmental Engineering, Duke University, Durham, NC, USA
| | - David E Hinton
- Nicholas School of the Environment, Duke University, Durham, NC, USA
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4
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Adewoyin M, Teoh SL, Azmai MNA, Nasruddin NS. Exploiting the Differences Between Zebrafish and Medaka in Biological Research: A Complementary Approach. PHARMACOPHORE 2022. [DOI: 10.51847/a5qhctavdz] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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5
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Kawasaki T, Shimizu Y. Carcinogenesis Models Using Small Fish. Chem Pharm Bull (Tokyo) 2021; 69:962-969. [PMID: 34602577 DOI: 10.1248/cpb.c21-00295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Experimental animals are indispensable in life science-related research, including cancer studies. After rats and mice, small fishes, such as zebrafish and medaka, are the second most frequently used model species. Fish models have some advantageous physical characteristics that make them suitable for research, including their small size, some transparency, genetic manipulability, ease of handling, and highly ortholog correspondence with humans. This review introduces technological advances in carcinogenesis model production using small fish. Carcinogenesis model production begins with chemical carcinogenesis, followed by mutagenesis. Gene transfer technology has made it possible to incorporate various mechanisms that act on cancer-related genes in individuals. For example, scientists may now spatiotemporally control gene expression in a single fish through methods including the localization of an expression site via a tissue-specific promoter and expression control using light, heat, or a chemical substance. In addition, genome editing technology is realizing more specific and more efficient gene disruption than conventional mutagenesis, in which the disruption of the gene of interest depends on chance. These technological advances have improved animal models and will soon create carcinogenesis models that better mimic human pathology. We conclude by discussing future expectations for cancer research using small fish.
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Affiliation(s)
- Takashi Kawasaki
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)
| | - Yuki Shimizu
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)
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Imangali N, Phan QT, Mahady G, Winkler C. The dietary anthocyanin delphinidin prevents bone resorption by inhibiting Rankl-induced differentiation of osteoclasts in a medaka (Oryzias latipes) model of osteoporosis. JOURNAL OF FISH BIOLOGY 2021; 98:1018-1030. [PMID: 32155282 DOI: 10.1111/jfb.14317] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 02/21/2020] [Accepted: 03/07/2020] [Indexed: 06/10/2023]
Abstract
The anthocyanin delphinidin is a natural compound found as water-soluble pigment in coloured fruits and berries. Anthocyanin-rich diets have been proposed to have bone protective effects in humans and mice, but the underlying mechanisms remain unclear. In this study, we used a medaka (Oryzias latipes) osteoporosis model to test the effects of delphinidin on bone cells in vivo. In this model, inducible transgenic expression of receptor-activator of NF-kβ ligand (Rankl) leads to ectopic formation of osteoclasts and excessive bone resorption, similar to the situation in human osteoporosis patients. Using live imaging in medaka bone reporter lines, we show that delphinidin significantly reduces the number of osteoclasts after Rankl induction and protects bone integrity in a dose-dependent manner. Our in vivo findings suggest that delphinidin primarily affects the de novo differentiation of macrophages into osteoclasts rather than the recruitment of macrophages to sites of bone resorption. For already existing osteoclasts, delphinidin treatment affected their morphology, leading to fewer protrusions and a more spherical shape. Apoptosis rates were not increased by delphinidin, suggesting that osteoclast numbers were reduced primarily by impaired differentiation from macrophage progenitors and reduced maintenance of pre-existing osteoclasts. Importantly, and in contrast to previously reported cell culture experiments, no effect of delphinidin on osteoblast differentiation and distribution was observed in medaka in vivo. Our study is the first report on the effects of delphinidin on bone cells in fish embryos, which are a unique model system for compound testing that is suitable for live imaging of bone cell behaviour in vivo.
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Affiliation(s)
- Nurgul Imangali
- Department of Biological Sciences and Centre for Bioimaging Sciences, National University of Singapore, Singapore, Singapore
| | - Quang Tien Phan
- Department of Biological Sciences and Centre for Bioimaging Sciences, National University of Singapore, Singapore, Singapore
| | - Gail Mahady
- Department of Pharmacy Practice, College of Pharmacy, PAHO/WHO Collaborating Centre for Traditional Medicine, University of Illinois, Chicago, Illinois, USA
| | - Christoph Winkler
- Department of Biological Sciences and Centre for Bioimaging Sciences, National University of Singapore, Singapore, Singapore
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Mo J, Au DWT, Wan MT, Shi J, Zhang G, Winkler C, Kong RYC, Seemann F. Multigenerational Impacts of Benzo[ a]pyrene on Bone Modeling and Remodeling in Medaka ( Oryzias latipes). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:12271-12284. [PMID: 32840350 DOI: 10.1021/acs.est.0c02416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Ancestral benzo[a]pyrene (BaP) (1 μg/L, 21 days) exposure has previously been shown to cause skeletal deformities in medaka (Oryzias latipes) larvae in the F1-F3 generation. However, when and how this deformity is induced during bone development remain to be elucidated. The col10a1:nlGFP/osx:mCherry double transgenic medaka model was employed to determine the temporal and spatial changes of col10a1:nlGFP- positive osteochondral progenitor cells (OPCs) and osx:mCherry-positive premature osteoblasts (POBs) [8 days postfertilization (dpf)-31 dpf] in combination with changes in bone mineralization at the tissue level. Ancestral BaP exposure delayed the development of col10a1:nlGFP- and osx:mCherry-positive osteoblasts and reduced the abundance of col10a1:nlGFP-positive osteoblast progenitors and col10a1:nlGFP/osx:mCherry double-positive premature osteoblasts during critical windows of early vertebral bone formation, associated with reduced bone mineralization in embryos (14 dpf) and larvae (31 dpf), compressed vertebral segments in larvae (31 dpf), and reduced bone thickness in adult male medaka (6 months old) of the F1-F3 generations. Both Col10a1:nlGFP and osx:mCherry were identified as potential targets of epigenetic modifications underlying the transgenerational inheritance of BaP bone toxicity. The present study provides novel knowledge of the underlying mechanisms of transgenerational toxicity of BaP at the cellular level.
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Affiliation(s)
- Jiezhang Mo
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Doris Wai-Ting Au
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Miles Teng Wan
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Jingchun Shi
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Ge Zhang
- Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
| | - Christoph Winkler
- Department of Biological Sciences, National University of Singapore, 119077, Singapore
| | - Richard Yuen-Chong Kong
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
- Hong Kong Branch of the Guangdong Southern Marine Science and Engineering Laboratory (Guangzhou), Hong Kong SAR, China
- Shenzhen Key Laboratory for the Sustainable Use of Marine Biodiversity, Research Centre for the Oceans and Human Health, Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, China
| | - Frauke Seemann
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
- Center for Coastal Studies and Department of Life Sciences, Texas A&M University-Corpus Christi, Corpus Christi, Texas 78412, United States
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Matsukura T, Inaba C, Weygant EA, Kitamura D, Janknecht R, Matsumoto H, Hyink DP, Kashiwada S, Obara T. Extracellular vesicles from human bone marrow mesenchymal stem cells repair organ damage caused by cadmium poisoning in a medaka model. Physiol Rep 2020; 7:e14172. [PMID: 31325249 PMCID: PMC6642321 DOI: 10.14814/phy2.14172] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 06/18/2019] [Accepted: 06/20/2019] [Indexed: 12/12/2022] Open
Abstract
Treatment modalities for kidney disease caused by long-term exposure to heavy metals, such as cadmium (Cd), are limited. Often, chronic, long-term environmental exposure to heavy metal is not recognized in the early stages; therefore, chelation therapy is not an effective option. Extracellular vesicles (EVs) derived from stem cells have been demonstrated to reduce disease pathology in both acute and chronic kidney disease models. To test the ability of EVs derived from human bone marrow mesenchymal stem cells (hBM-MSCs) to treat Cd damage, we generated a Cd-exposed medaka model. This model develops heavy metal-induced cell damage in various organs and tissues, and shows decreased overall survival. Intravenous injection of highly purified EVs from hBM-MSCs repaired the damage to apical and basolateral membranes and mitochondria of kidney proximal tubules, glomerular podocytes, bone deformation, and improved survival. Our system also serves as a model with which to study age- and sex-dependent cell injuries of organs caused by various agents and diseases. The beneficial effects of EVs on the tissue repair process, as shown in our novel Cd-exposed medaka model, may open new broad avenues for interventional strategies.
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Affiliation(s)
- Tomomi Matsukura
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma.,Department of Life Sciences, Toyo University, Gunma, Japan
| | - Chisako Inaba
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Esther A Weygant
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Daiki Kitamura
- Department of Life Sciences, Toyo University, Gunma, Japan
| | - Ralf Janknecht
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
| | - Hiroyuki Matsumoto
- Department of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma.,Clinical Proteomics and Gene Therapy Laboratory, Kurume University Graduate School of Medicine, Kurume, Japan
| | - Deborah P Hyink
- Department of Medicine, Baylor College of Medicine, Houston, Texas
| | | | - Tomoko Obara
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma
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In Vivo Analysis of Embryo Development and Behavioral Response of Medaka Fish under Static Magnetic Field Exposures. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16050844. [PMID: 30857154 PMCID: PMC6427164 DOI: 10.3390/ijerph16050844] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 02/22/2019] [Accepted: 03/05/2019] [Indexed: 11/17/2022]
Abstract
The static magnetic field (SMF) in human exposure has become a health risk concern, especially with respect to prolonged exposure. The International Commission on Non-Ionizing Radiation Protection (ICNIRP) has been considering cell or animal models to be adopted to estimate the possible human health impacts after such exposure. The medaka fish is a good animal model for human-related health assessment studies; this paper examines both the embryo development and behavioral responses in medaka fish in vivo to long-term SMF exposure at the mT level. SMF exposure was examined for the complete developmental period of embryos until hatched; the embryos were monitored and recorded every 24 h for different morphological abnormalities in their developmental stages. The behavioral response of adult fish was also examined by analyzing their swimming velocities and positioning as compared with that of the control group. It was observed that there were no impacts on embryo development under prolonged exposure up to about 100 mT while the swimming behavior of the adult fish under exposure was different to the control group-the swimming movement of the treated group was more static, with an average velocity of 24.6% less as observed over a 24-h duration.
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