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Lu C, Lv Y, Meng X, Yang T, Liu Y, Kou G, Yang X, Luo J. The potential toxic effects of estrogen exposure on neural and vascular development in zebrafish. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 283:116862. [PMID: 39128450 DOI: 10.1016/j.ecoenv.2024.116862] [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: 04/18/2024] [Revised: 08/01/2024] [Accepted: 08/08/2024] [Indexed: 08/13/2024]
Abstract
Estrogens and estrogenic chemicals are endocrine-disrupting chemicals (EDCs). The potential toxicity of EDCs to humans and aquatic organisms has become increasingly concerning. However, at present, the potential toxic mechanisms of EDCs on neural and vascular development are still being fully investigated. During the study, we utilized zebrafish to assess the developmental neural and vascular toxicity of different estrogens. The results indicated that zebrafish treated with different estrogens, especially E2, exhibit developmental malformations, including increased mortality, decreased body length, decreased heart rate, aberrant swimming behavior, and increased developmental malformations, including spinal curvature (SC), yolk edema (YE) and pericaidial edema (PE), in a dose-dependent manner with 72 h-treated. Further morphological evaluation revealed that E2 exposure significantly induced motor neural abnormalities in zebrafish embryos. In addition, treated with these three estrogens also impaired the vascular development in the early stage of zebrafish embryos. Mechanistically, the identification of downstream factors revealed that several key neural and vascular development-related genes, including syn2a, gfap, gap43, shha, kdr, flt1 and flt4, were transcriptionally downregulated after estrogen exposure in zebrafish, suggesting that estrogen exposure might cause neural and vascular toxicity by interfering the mRNA levels of genes relevant to neural and vascular development.
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Affiliation(s)
- Chunjiao Lu
- Engineering Research Center of Key Technique for Biotherapy of Guangdong Province, Shantou University Medical College, Shantou 515041, China
| | - Yuhang Lv
- Engineering Research Center of Key Technique for Biotherapy of Guangdong Province, Shantou University Medical College, Shantou 515041, China
| | - Xin Meng
- Engineering Research Center of Key Technique for Biotherapy of Guangdong Province, Shantou University Medical College, Shantou 515041, China
| | - Ting Yang
- Engineering Research Center of Key Technique for Biotherapy of Guangdong Province, Shantou University Medical College, Shantou 515041, China
| | - Yi Liu
- Engineering Research Center of Key Technique for Biotherapy of Guangdong Province, Shantou University Medical College, Shantou 515041, China
| | - Guanhua Kou
- Engineering Research Center of Key Technique for Biotherapy of Guangdong Province, Shantou University Medical College, Shantou 515041, China
| | - Xiaojun Yang
- Engineering Research Center of Key Technique for Biotherapy of Guangdong Province, Shantou University Medical College, Shantou 515041, China; Department of Neurosurgery, The First Affiliated Hospital of Shantou University Medical College, Shantou, China.
| | - Juanjuan Luo
- Engineering Research Center of Key Technique for Biotherapy of Guangdong Province, Shantou University Medical College, Shantou 515041, China.
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2
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Porkodi M, Brahmane MP, Pathan MA, Poojary N, Singh S, Harshavarthini M, Nagpure NS. Indigo dyes: Toxicity, teratogenicity, and genotoxicity studies in zebrafish embryos. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2024; 896:503752. [PMID: 38821665 DOI: 10.1016/j.mrgentox.2024.503752] [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: 12/05/2023] [Revised: 03/18/2024] [Accepted: 03/20/2024] [Indexed: 06/02/2024]
Abstract
Wastewater released by textile dyeing industries is a major source of pollution. Untreated wastewater released from indigo dyeing operations affects aquatic ecosystems and threatens their biodiversity. We have assessed the toxicity of natural and synthetic indigo dye in zebrafish embryos, using the endpoints of teratogenicity, genotoxicity, and histopathology. The zebrafish embryo toxicity test (ZFET) was conducted, exposing embryos to ten concentrations of natural and synthetic indigo dyes; the 96-hour LC50 values were approximately 350 and 300 mg/L, respectively. Both dyes were teratogenic, causing egg coagulation, tail detachment, yolk sac edema, pericardial edema, and tail bend, with no significant difference in effects between the natural and synthetic dyes. Both dyes were genotoxic (using comet assay for DNA damage). Real-time RT-PCR studies showed upregulation of the DNA-repair genes FEN1 and ERCC1. Severe histological changes were seen in zebrafish larvae following exposure to the dyes. Our results show that indigo dyes may be teratogenic and genotoxic to aquatic organisms, underscoring the need for development of sustainable practices and policies for mitigating the environmental impacts of textile dyeing.
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Affiliation(s)
- M Porkodi
- Fish Genetics and Biotechnology Division, ICAR- Central Institute of Fisheries Education, Versova, Mumbai 400061, India
| | - Manoj P Brahmane
- Fish Genetics and Biotechnology Division, ICAR- Central Institute of Fisheries Education, Versova, Mumbai 400061, India
| | - Mujahidkhan A Pathan
- Fish Genetics and Biotechnology Division, ICAR- Central Institute of Fisheries Education, Versova, Mumbai 400061, India
| | - Nalini Poojary
- Aquatic Environment and Health Management Division, ICAR- Central Institute of Fisheries Education, Versova, Mumbai 400061, India
| | - Shubra Singh
- Fish Genetics and Biotechnology Division, ICAR- Central Institute of Fisheries Education, Versova, Mumbai 400061, India
| | - M Harshavarthini
- Fish Genetics and Biotechnology Division, ICAR- Central Institute of Fisheries Education, Versova, Mumbai 400061, India
| | - N S Nagpure
- Fish Genetics and Biotechnology Division, ICAR- Central Institute of Fisheries Education, Versova, Mumbai 400061, India.
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3
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Qiu Z, Li L, Du H, Chen H, Chen G, Zheng Z, Xiao H. Physicochemical, Structural, and Functional Properties of Fructans from Single-Clove Garlic and Multiclove Garlic: A Comparison. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:7818-7831. [PMID: 38466922 DOI: 10.1021/acs.jafc.3c07898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
This study aimed to compare the structural features and functional properties of polysaccharides from single-clove garlic (SGPs) and multiclove garlic (MGPs) and to establish their structure-function relationships. Both SGPs and MGPs were identified as fructans consisting mainly of →1)-β-d-Fruf (2→ and →6)-β-d-Fruf (2→ residues but differed in average molecular weights (6.76 and 5.40 kDa, respectively). They shared similar thermodynamic properties, X-ray diffraction patterns, and high gastrointestinal digestive stability. These two purified fructans could dose-dependently scavenge free radicals, reduce oxidized metals, and effectively alleviate metronidazole-induced oxidative stress and CuSO4-induced inflammation in zebrafish via inhibiting the overexpression of inflammation-related proteins and cytokines. SGPs showed lower free radical scavenging activity in vitro than MGPs but higher antioxidant and anti-inflammatory activities in vivo. Taken together, the molecular weight was the main structural difference between the two garlic fructans of different varieties, which is a potential reason for their differences in biological activities.
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Affiliation(s)
- Zhichang Qiu
- Department of Food Science, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Lingyu Li
- Key Laboratory of Food Nutrition and Health in Universities of Shandong, College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Hengjun Du
- Department of Food Science, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
| | - Huiyun Chen
- Institute of Agricultural Processing Research, Ningbo Academy of Agricultural Sciences, Ningbo, Zhejiang 315040, China
| | - Gang Chen
- College of Food and Health, Zhejiang Agriculture and Forest University, Hangzhou, Zhejiang 311300, China
| | - Zhenjia Zheng
- Key Laboratory of Food Nutrition and Health in Universities of Shandong, College of Food Science and Engineering, Shandong Agricultural University, Tai'an, Shandong 271018, China
| | - Hang Xiao
- Department of Food Science, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
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4
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Dasgupta S, Simonich MT, Tanguay RL. Developmental Toxicity Assessment Using Zebrafish-Based High-Throughput Screening. Methods Mol Biol 2024; 2707:71-82. [PMID: 37668905 DOI: 10.1007/978-1-0716-3401-1_4] [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] [Indexed: 09/06/2023]
Abstract
Zebrafish-based high-throughput screening has been extensively used to study toxicological profiles of individual chemicals and mixtures, identify novel toxicants, and study modes of action to prioritize chemicals for further testing and policy decisions. Within this chapter, we describe a protocol for automated zebrafish developmental high-throughput screening in our laboratory, with emphasis on exposure setups, morphological and behavioral readouts, and quality control.
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Affiliation(s)
- Subham Dasgupta
- Sinnhuber Aquatic Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, USA
- Department of Biological Sciences, Clemson University, Clemson, SC, USA
| | - Michael T Simonich
- Sinnhuber Aquatic Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, USA
| | - Robyn L Tanguay
- Sinnhuber Aquatic Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, USA.
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5
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Bhai MKP, Binesh A, Shanmugam SA, Venkatachalam K. Effects of mercury chloride on antioxidant and inflammatory cytokines in zebrafish embryos. J Biochem Mol Toxicol 2024; 38:e23589. [PMID: 37985964 DOI: 10.1002/jbt.23589] [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: 02/21/2022] [Revised: 11/05/2023] [Accepted: 11/10/2023] [Indexed: 11/22/2023]
Abstract
In this study, a zebrafish embryo toxicity model was employed, utilizing 24 h postfertilization (hpf) zebrafish embryos. These embryos were treated with varying concentrations of mercuric chloride for 96 h under static conditions. We assessed multiple parameters that reflected developmental abnormalities, behavioral alterations, morphological anomalies, antioxidant enzyme activities, including those of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPX), and glutathione S-transferase (GST), immune messenger RNA transcription levels of key factors such as tumor necrosis factor α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6), and cyclooxygenase 2 (COX-2), as well as protein expression of TNF-α. The results revealed that embryos exposed to higher concentrations of mercury exhibited reduced hatchability and increased rates of morphological abnormalities and mortality at 48, 72, and 96 hpf. In addition, a concentration-dependent increase in developmental abnormalities, including cardiac edema, reduced body length, yolk sac edema, scoliosis, and bent tails, was observed. Larval behaviors, such as touch-induced escape responses, startle reactions, and turning actions, were found to be diminished in a concentration-dependent manner. Additionally, the activities of various antioxidative enzymes, such as SOD, CAT, and GST, exhibited an increase at higher mercury concentrations, with the exception of GPX activity, which decreased significantly in a dose-dependent manner (p < 0.05). Pro-inflammatory cytokine transcription levels, specifically TNF-α, IL-1β, IL-6, and COX-2, were significantly upregulated in a dose-dependent manner in the mercuric (II) chloride (HgCl2 ) treatment group compared with the control group. TNF-α protein expression was notably elevated in the larvae group treated with 300 and 400 nM HgCl2 .
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Affiliation(s)
- Modi K P Bhai
- Department of Fisheries Biotechnology, Institute of Fisheries Postgraduate Studies, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Chennai, India
| | - Ambika Binesh
- Department of Basic Sciences, Institute of Fisheries Post Graduate Studies, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Chennai, India
| | - S A Shanmugam
- Department of Basic Sciences, Institute of Fisheries Post Graduate Studies, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Chennai, India
| | - Kaliyamurthi Venkatachalam
- Department of Basic Sciences, Institute of Fisheries Post Graduate Studies, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, Chennai, India
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6
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Singhal SS, Garg R, Mohanty A, Garg P, Ramisetty SK, Mirzapoiazova T, Soldi R, Sharma S, Kulkarni P, Salgia R. Recent Advancement in Breast Cancer Research: Insights from Model Organisms-Mouse Models to Zebrafish. Cancers (Basel) 2023; 15:cancers15112961. [PMID: 37296923 DOI: 10.3390/cancers15112961] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
Animal models have been utilized for decades to investigate the causes of human diseases and provide platforms for testing novel therapies. Indeed, breakthrough advances in genetically engineered mouse (GEM) models and xenograft transplantation technologies have dramatically benefited in elucidating the mechanisms underlying the pathogenesis of multiple diseases, including cancer. The currently available GEM models have been employed to assess specific genetic changes that underlay many features of carcinogenesis, including variations in tumor cell proliferation, apoptosis, invasion, metastasis, angiogenesis, and drug resistance. In addition, mice models render it easier to locate tumor biomarkers for the recognition, prognosis, and surveillance of cancer progression and recurrence. Furthermore, the patient-derived xenograft (PDX) model, which involves the direct surgical transfer of fresh human tumor samples to immunodeficient mice, has contributed significantly to advancing the field of drug discovery and therapeutics. Here, we provide a synopsis of mouse and zebrafish models used in cancer research as well as an interdisciplinary 'Team Medicine' approach that has not only accelerated our understanding of varied aspects of carcinogenesis but has also been instrumental in developing novel therapeutic strategies.
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Affiliation(s)
- Sharad S Singhal
- Department of Medical Oncology and Therapeutic Research, Beckman Research Institute, City of Hope Comprehensive Cancer Center and National Medical Center, Duarte, CA 91010, USA
| | - Rachana Garg
- Department of Surgery, Beckman Research Institute, City of Hope Comprehensive Cancer Center and National Medical Center, Duarte, CA 91010, USA
| | - Atish Mohanty
- Department of Medical Oncology and Therapeutic Research, Beckman Research Institute, City of Hope Comprehensive Cancer Center and National Medical Center, Duarte, CA 91010, USA
| | - Pankaj Garg
- Department of Chemistry, GLA University, Mathura 281406, Uttar Pradesh, India
| | - Sravani Keerthi Ramisetty
- Department of Medical Oncology and Therapeutic Research, Beckman Research Institute, City of Hope Comprehensive Cancer Center and National Medical Center, Duarte, CA 91010, USA
| | - Tamara Mirzapoiazova
- Department of Medical Oncology and Therapeutic Research, Beckman Research Institute, City of Hope Comprehensive Cancer Center and National Medical Center, Duarte, CA 91010, USA
| | - Raffaella Soldi
- Translational Genomics Research Institute, Phoenix, AZ 85338, USA
| | - Sunil Sharma
- Translational Genomics Research Institute, Phoenix, AZ 85338, USA
| | - Prakash Kulkarni
- Department of Medical Oncology and Therapeutic Research, Beckman Research Institute, City of Hope Comprehensive Cancer Center and National Medical Center, Duarte, CA 91010, USA
- Department of Systems Biology, Beckman Research Institute, City of Hope Comprehensive Cancer Center and National Medical Center, Duarte, CA 91010, USA
| | - Ravi Salgia
- Department of Medical Oncology and Therapeutic Research, Beckman Research Institute, City of Hope Comprehensive Cancer Center and National Medical Center, Duarte, CA 91010, USA
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7
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García-Márquez J, Moreira BR, Valverde-Guillén P, Latorre-Redoli S, Caneda-Santiago CT, Acién G, Martínez-Manzanares E, Marí-Beffa M, Abdala-Díaz RT. In Vitro and In Vivo Effects of Ulvan Polysaccharides from Ulva rigida. Pharmaceuticals (Basel) 2023; 16:ph16050660. [PMID: 37242444 DOI: 10.3390/ph16050660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/22/2023] [Accepted: 04/25/2023] [Indexed: 05/28/2023] Open
Abstract
One of the main bioactive compounds of interest from the Ulva species is the sulfated polysaccharide ulvan, which has recently attracted attention for its anticancer properties. This study investigated the cytotoxic activity of ulvan polysaccharides obtained from Ulva rigida in the following scenarios: (i) in vitro against healthy and carcinogenic cell lines (1064sk (human fibroblasts), HACAT (immortalized human keratinocytes), U-937 (a human leukemia cell line), G-361 (a human malignant melanoma), and HCT-116 (a colon cancer cell line)) and (ii) in vivo against zebrafish embryos. Ulvan exhibited cytotoxic effects on the three human cancer cell lines tested. However, only HCT-116 demonstrated sufficient sensitivity to this ulvan to make it relevant as a potential anticancer treatment, presenting an LC50 of 0.1 mg mL-1. The in vivo assay on the zebrafish embryos showed a linear relationship between the polysaccharide concentration and growth retardation at 7.8 hpf mL mg-1, with an LC50 of about 5.2 mg mL-1 at 48 hpf. At concentrations near the LC50, toxic effects, such as pericardial edema or chorion lysis, could be found in the experimental larvae. Our in vitro study supports the potential use of polysaccharides extracted from U. rigida as candidates for treating human colon cancer. However, the in vivo assay on zebrafish indicated that the potential use of ulvan as a promising, safe compound should be limited to specific concentrations below 0.001 mg mL-1 since it revealed side effects on the embryonic growth rate and osmolar balance.
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Affiliation(s)
- Jorge García-Márquez
- Department of Microbiology, Faculty of Science, Andalusian Institute of Blue Biotechnology and Development (IBYDA), Malaga University, Campus Universitario de Teatinos s/n, 29071 Malaga, Spain
| | - Bruna Rodrigues Moreira
- Phycology Laboratory, Department of Botany, Biological Sciences Center, Federal University of Santa Catarina, Florianópolis 88040-900, SC, Brazil
| | - Piedad Valverde-Guillén
- Department of Cell Biology, Genetics and Physiology, Faculty of Science, Andalusian Institute of Blue Biotechnology and Development (IBYDA), Malaga University, Campus Universitario de Teatinos s/n, 29071 Malaga, Spain
| | - Sofía Latorre-Redoli
- Department of Cell Biology, Genetics and Physiology, Faculty of Science, Andalusian Institute of Blue Biotechnology and Development (IBYDA), Malaga University, Campus Universitario de Teatinos s/n, 29071 Malaga, Spain
| | - Candela T Caneda-Santiago
- Department of Cell Biology, Genetics and Physiology, Faculty of Science, Andalusian Institute of Blue Biotechnology and Development (IBYDA), Malaga University, Campus Universitario de Teatinos s/n, 29071 Malaga, Spain
| | - Gabriel Acién
- Department of Chemical Engineering, Almería University, 04120 Almería, Spain
| | - Eduardo Martínez-Manzanares
- Department of Microbiology, Faculty of Science, Andalusian Institute of Blue Biotechnology and Development (IBYDA), Malaga University, Campus Universitario de Teatinos s/n, 29071 Malaga, Spain
- Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Universitario Virgen de la Victoria, Universidad de Málaga, 29071 Málaga, Spain
| | - Manuel Marí-Beffa
- Department of Cell Biology, Genetics and Physiology, Faculty of Science, Andalusian Institute of Blue Biotechnology and Development (IBYDA), Malaga University, Campus Universitario de Teatinos s/n, 29071 Malaga, Spain
- Networking Biomedical Research Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Málaga Biomedical Research Institute and Nanomedicine Platform (IBIMA BIONAND Platform), 29071 Málaga, Spain
| | - Roberto T Abdala-Díaz
- Department of Ecology and Geology, Faculty of Science, Andalusian Institute of Blue Biotechnology and Development (IBYDA), Malaga University, Campus Universitario de Teatinos s/n, 29071 Malaga, Spain
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8
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Tombari RJ, Mundy PC, Morales KM, Dunlap LE, Olson DE, Lein PJ. Developmental Neurotoxicity Screen of Psychedelics and Other Drugs of Abuse in Larval Zebrafish ( Danio rerio). ACS Chem Neurosci 2023; 14:875-884. [PMID: 36753397 PMCID: PMC9983010 DOI: 10.1021/acschemneuro.2c00642] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Abstract
In recent years, psychedelics have garnered significant interest as therapeutic agents for treating diverse neuropsychiatric disorders. However, the potential for these compounds to produce developmental neurotoxicity has not been rigorously assessed, and much of the available safety data is based on epidemiological studies with limited experimental testing in laboratory animal models. Moreover, the experimental safety data available thus far have focused on adult organisms, and the few studies conducted using developing organisms have tested a limited number of compounds, precluding direct comparisons between various chemical scaffolds. In the present study, 13 psychoactive compounds of different chemical or pharmacological classes were screened in a larval zebrafish model for teratological and behavioral abnormalities following acute and chronic developmental exposures. We found that the psychedelic tryptamines and ketamine were less neurotoxic to larval zebrafish than LSD and psychostimulants. Our work, which leverages the advantage of using zebrafish for higher throughput toxicity screening, provides a robust reference database for comparing the neurotoxicity profiles of novel psychedelics currently under development for therapeutic applications.
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Affiliation(s)
- Robert J Tombari
- Department of Chemistry, University of California, Davis, Davis, California 95616, United States
| | - Paige C Mundy
- Department of Molecular Biosciences, University of California, Davis, Davis, California 95616, United States
| | - Kelly M Morales
- Department of Molecular Biosciences, University of California, Davis, Davis, California 95616, United States
| | - Lee E Dunlap
- Department of Chemistry, University of California, Davis, Davis, California 95616, United States
| | - David E Olson
- Department of Chemistry, University of California, Davis, Davis, California 95616, United States.,Department of Biochemistry & Molecular Medicine, School of Medicine, University of California, Davis, Sacramento, California 95817, United States.,Center for Neuroscience, University of California, Davis, Davis, California 95618, United States.,Institute for Psychedelics and Neurotherapeutics, University of California, Davis, Davis, California 95616, United States
| | - Pamela J Lein
- Department of Molecular Biosciences, University of California, Davis, Davis, California 95616, United States.,Center for Neuroscience, University of California, Davis, Davis, California 95618, United States
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9
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Piyushbhai MK, Binesh A, Shanmugam SA, Venkatachalam K. Exposure to low-dose arsenic caused teratogenicity and upregulation of proinflammatory cytokines in zebrafish embryos. Biol Trace Elem Res 2022; 201:3487-3496. [PMID: 36107303 DOI: 10.1007/s12011-022-03418-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 09/08/2022] [Indexed: 11/28/2022]
Abstract
Arsenic is currently ranked as the most toxicant on the ATSDR 2015 substance priority list and is categorised as a Group 1 human carcinogen. Biota that are subjected to inorganic arsenicals through food, water, occupational or medical exposure pose a risk to the environment and to human health. The present study was carried out to investigate the toxicity caused by inorganic arsenic. After fertilisation, zebrafish embryos were exposed to sodium arsenite at several concentrations (100 nM to 600 nM) for 24 to 96 hpf. The indicators of teratogenicity (hatchability, morphological abnormalities, mortality), behavioural modifications (touch induced escape response (TIER), startle response (SR) and turning behaviour (TB)), biochemical testing (superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPX), and glutathione S transferase (GST)) and the expressions of tumor necrosis factor α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6) and cyclooxygenase-2 (COX-2) were investigated. The aforementioned parameters were found to be altered in embryos exposed to sodium arsenite. According to the findings of the current study, even a low dose of inorganic arsenic compound caused teratogenicity, behavioural abnormalities, altered enzyme activities and the expression of proinflammatory cytokines in zebrafish embryos.
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Affiliation(s)
- Modi Kiran Piyushbhai
- Department of Fisheries Biotechnology, Institute of Fisheries Post Graduate Studies, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, OMR Campus, Chennai, 603103, Tamil Nadu, India
| | - Ambika Binesh
- Department of Basic Sciences, Institute of Fisheries Post Graduate Studies, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, OMR Campus, Vaniyanchavadi, Chennai, 603103, Tamil Nadu, India
| | - S A Shanmugam
- Department of Basic Sciences, Institute of Fisheries Post Graduate Studies, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, OMR Campus, Vaniyanchavadi, Chennai, 603103, Tamil Nadu, India
| | - Kaliyamurthi Venkatachalam
- Department of Basic Sciences, Institute of Fisheries Post Graduate Studies, Tamil Nadu Dr. J. Jayalalithaa Fisheries University, OMR Campus, Vaniyanchavadi, Chennai, 603103, Tamil Nadu, India.
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10
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Truong L, Rericha Y, Thunga P, Marvel S, Wallis D, Simonich MT, Field JA, Cao D, Reif DM, Tanguay RL. Systematic developmental toxicity assessment of a structurally diverse library of PFAS in zebrafish. JOURNAL OF HAZARDOUS MATERIALS 2022; 431:128615. [PMID: 35263707 PMCID: PMC8970529 DOI: 10.1016/j.jhazmat.2022.128615] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 02/20/2022] [Accepted: 02/28/2022] [Indexed: 06/03/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS) are a class of widely used chemicals with limited human health effects data relative to the diversity of structures manufactured. To help fill this data gap, an extensive in vivo developmental toxicity screen was performed on 139 PFAS provided by the US EPA. Dechorionated embryonic zebrafish were exposed to 10 nominal water concentrations of PFAS (0.015-100 µM) from 6 to 120 h post-fertilization (hpf). The embryos were assayed for embryonic photomotor response (EPR), larval photomotor response (LPR), and 13 morphological endpoints. A total of 49 PFAS (35%) were bioactive in one or more assays (11 altered EPR, 25 altered LPR, and 31 altered morphology). Perfluorooctanesulfonamide (FOSA) was the only structure that was bioactive in all 3 assays, while Perfluorodecanoic acid (PFDA) was the most potent teratogen. Low PFAS volatility was associated with developmental toxicity (p < 0.01), but no association was detected between bioactivity and five other physicochemical parameters. The bioactive PFAS were enriched for 6 supergroup chemotypes. The results illustrate the power of a multi-dimensional in vivo platform to assess the developmental (neuro)toxicity of diverse PFAS and in the acceleration of PFAS safety research.
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Affiliation(s)
- Lisa Truong
- Department of Environmental and Molecular Toxicology, the Sinnhuber Aquatic Research Laboratory, and the Environmental Health Sciences Center at Oregon State University, Corvallis, OR, USA
| | - Yvonne Rericha
- Department of Environmental and Molecular Toxicology, the Sinnhuber Aquatic Research Laboratory, and the Environmental Health Sciences Center at Oregon State University, Corvallis, OR, USA
| | - Preethi Thunga
- Bioinformatics Research Center, Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
| | - Skylar Marvel
- Bioinformatics Research Center, Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
| | - Dylan Wallis
- Bioinformatics Research Center, Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
| | - Michael T Simonich
- Department of Environmental and Molecular Toxicology, the Sinnhuber Aquatic Research Laboratory, and the Environmental Health Sciences Center at Oregon State University, Corvallis, OR, USA
| | - Jennifer A Field
- Department of Environmental and Molecular Toxicology, Department of Chemistry at Oregon State University, Corvallis, OR, USA
| | - Dunping Cao
- Department of Environmental and Molecular Toxicology, Department of Chemistry at Oregon State University, Corvallis, OR, USA
| | - David M Reif
- Bioinformatics Research Center, Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA
| | - Robyn L Tanguay
- Bioinformatics Research Center, Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA.
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11
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Aspatwar A, Tolvanen MEE, Barker H, Syrjänen L, Valanne S, Purmonen S, Waheed A, Sly WS, Parkkila S. Carbonic Anhydrases in Metazoan Model Organisms: Molecules, Mechanisms, and Physiology. Physiol Rev 2022; 102:1327-1383. [PMID: 35166161 DOI: 10.1152/physrev.00018.2021] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
During the past three decades, mice, zebrafish, fruit flies, and Caenorhabditis elegans have been the primary model organisms used for the study of various biological phenomena. These models have also been adopted and developed to investigate the physiological roles of carbonic anhydrases (CAs) and carbonic anhydrase-related proteins (CARPs). These proteins belong to eight CA families and are identified by Greek letters: α, β, γ, δ, ζ, η, θ, and ι. Studies using model organisms have focused on two CA families, α-CAs and β-CAs, which are expressed in both prokaryotic and eukaryotic organisms with species-specific distribution patterns and unique functions. This review covers the biological roles of CAs and CARPs in light of investigations performed in model organisms. Functional studies demonstrate that CAs are not only linked to the regulation of pH homeostasis, the classical role of CAs but also contribute to a plethora of previously undescribed functions.
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Affiliation(s)
- Ashok Aspatwar
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | | | - Harlan Barker
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Fimlab Ltd and TAYS Cancer Centre, Tampere University Hospital, Tampere, Finland
| | - Leo Syrjänen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Department of Otorhinolaryngology, Tampere University Hospital, Tampere, Finland
| | - Susanna Valanne
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Sami Purmonen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Abdul Waheed
- Department of Biochemistry and Molecular Biology, Edward A. Doisy Research Center, Saint Louis University School of Medicine, St. Louis, MO, United States
| | - William S Sly
- Department of Biochemistry and Molecular Biology, Edward A. Doisy Research Center, Saint Louis University School of Medicine, St. Louis, MO, United States
| | - Seppo Parkkila
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Fimlab Ltd and TAYS Cancer Centre, Tampere University Hospital, Tampere, Finland
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12
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Gamble JT, Elson DJ, Greenwood JA, Tanguay RL, Kolluri SK. The Zebrafish Xenograft Models for Investigating Cancer and Cancer Therapeutics. BIOLOGY 2021; 10:biology10040252. [PMID: 33804830 PMCID: PMC8063817 DOI: 10.3390/biology10040252] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 03/17/2021] [Indexed: 02/06/2023]
Abstract
Simple Summary The identification and development of new anti-cancer drugs requires extensive testing in animal models to establish safety and efficacy of drug candidates. The transplantation of human tumor tissue into mouse (tumor xenografts) is commonly used to study cancer progression and to test potential drugs for their anti-cancer activity. Mouse models do not afford the ability to test a large number of drug candidates quickly as it takes several weeks to conduct these experiments. In contrast, tumor xenograft studies in zebrafish provide an efficient platform for rapid testing of safety and efficacy in less than two weeks. Abstract In order to develop new cancer therapeutics, rapid, reliable, and relevant biological models are required to screen and validate drug candidates for both efficacy and safety. In recent years, the zebrafish (Danio rerio) has emerged as an excellent model organism suited for these goals. Larval fish or immunocompromised adult fish are used to engraft human cancer cells and serve as a platform for screening potential drug candidates. With zebrafish sharing ~80% of disease-related orthologous genes with humans, they provide a low cost, high-throughput alternative to mouse xenografts that is relevant to human biology. In this review, we provide background on the methods and utility of zebrafish xenograft models in cancer research.
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Affiliation(s)
- John T. Gamble
- Department of Biochemistry & Biophysics, Oregon State University, Corvallis, OR 97331, USA;
| | - Daniel J. Elson
- Cancer Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA;
| | - Juliet A. Greenwood
- School of Mathematics and Natural Sciences, Arizona State University, Scotsdale, AZ 85257, USA;
| | - Robyn L. Tanguay
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA;
| | - Siva K. Kolluri
- Cancer Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA;
- Correspondence:
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13
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Development of a zebrafish screening model for diabetic retinopathy induced by hyperglycemia: Reproducibility verification in animal model. Biomed Pharmacother 2021; 135:111201. [PMID: 33421732 DOI: 10.1016/j.biopha.2020.111201] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/15/2020] [Accepted: 12/26/2020] [Indexed: 02/08/2023] Open
Abstract
This study aimed at creating a zebrafish screening model for diabetic retinopathy, and evaluated the effects of aflibercept, which is being used to treated diabetic retinopathy. A morphological change occurred at 160 mM of glucose. The survival and hatching rate decreased in a dose-dependent manner. In the 130 mM glucose group, the retinal vessel diameter was more than double that in the normal group. The zebrafish embryo morphology changed in 200 μg/mL and 400 μg/mL at aflibercept. The survival and hatching rate decrease at 400 μg/mL. Aflibercept 100 μg/mL was a nontoxic and effective dose for the zebrafish diabetic retinopathy model. The expression of diabetic retinopathy inflammatory markers was increased in hyperglycemia. But the inflammation was improved by aflibercept in the zebrafish eye. In a zebrafish diabetic retinopathy model, the diameters of retinal vessels were reduced after treatment with aflibercept, and molecular biological and histopathological efficacy was confirmed. This model can serve for screening of new drug candidates for treatment of in diabetic retinopathy.
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14
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Guan X, Truong L, M. Lomnicki S, L. Tanguay R, A. Cormier S. Developmental Hazard of Environmentally Persistent Free Radicals and Protective Effect of TEMPOL in Zebrafish Model. TOXICS 2021; 9:toxics9010012. [PMID: 33467068 PMCID: PMC7829864 DOI: 10.3390/toxics9010012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 11/29/2022]
Abstract
Environmentally persistent free radicals (EPFRs) can be detected in ambient PM2.5, cigarette smoke, and soils and are formed through combustion and thermal processing of organic materials. The hazards of EPFRs are largely unknown. In this study, we assess the developmental toxicity of EPFRs and the ability of TEMPOL (4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-oxyl) to protect against such hazards using zebrafish embryos. Particles containing EPFRs were acquired by dosing dichlorobenzene (DCB) vapor on the Cab-o-sil/5% CuO particles at 230 °C in vacuo (referred to as DCB-230). The particles were suspended in ultrapure water to make 1 mg/mL of stock solution from which series dilution was undertaken to obtain 10, 20, 30, 40, 50, 60, 80, and 100 µg/mL final test solutions, which were then placed in individual wells with a 4 h postfertilization (hpf) zebrafish embryo. Plates were run in duplicate to obtain a sample size of 24 animals per concentration; 12 embryos were exposed per concentration per plate. Statistical analysis of the morphology endpoints was performed. We investigated overt toxicity responses to DCB-230 in a 22-endpoint battery that included developing zebrafish from 24–120 hpf. Exposure to concentrations greater than 60 µg/mL of DCB-230 induced high mortality in the developmental zebrafish model. Exposure to EPFRs induced developmental hazards that were closely related to the concentrations of free radicals and EPFRs. The potential protective effects of TEMPOL against EPFRs’ toxicity in zebrafish were investigated. Exposure to EPFRs plus TEMPOL shifted the concentration to an induced 50% adverse effect (EC50), from 23.6 to 30.8 µg/mL, which verifies TEMPOL’s protective effect against EPFRs in the early phase of zebrafish development.
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Affiliation(s)
- Xia Guan
- Department of Environmental Sciences, Louisiana State University, Baton Rouge, LA 70803, USA; (X.G.); (S.M.L.)
| | - Lisa Truong
- Sinnhuber Aquatic Research Laboratory, Department of Environmental & Molecular Toxicology, Oregon State University, Corvallis, OR 97333, USA; (L.T.); (R.L.T.)
| | - Slawomir M. Lomnicki
- Department of Environmental Sciences, Louisiana State University, Baton Rouge, LA 70803, USA; (X.G.); (S.M.L.)
| | - Robyn L. Tanguay
- Sinnhuber Aquatic Research Laboratory, Department of Environmental & Molecular Toxicology, Oregon State University, Corvallis, OR 97333, USA; (L.T.); (R.L.T.)
| | - Stephania A. Cormier
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA 70803, USA
- Pennington Biomedical Research Center, Baton Rouge, LA 70803, USA
- Correspondence:
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15
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Li R, Zupanic A, Talikka M, Belcastro V, Madan S, Dörpinghaus J, Berg CV, Szostak J, Martin F, Peitsch MC, Hoeng J. Systems Toxicology Approach for Testing Chemical Cardiotoxicity in Larval Zebrafish. Chem Res Toxicol 2020; 33:2550-2564. [PMID: 32638588 DOI: 10.1021/acs.chemrestox.0c00095] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Transcriptomic approaches can give insight into molecular mechanisms underlying chemical toxicity and are increasingly being used as part of toxicological assessments. To aid the interpretation of transcriptomic data, we have developed a systems toxicology method that relies on a computable biological network model. We created the first network model describing cardiotoxicity in zebrafish larvae-a valuable emerging model species in testing cardiotoxicity associated with drugs and chemicals. The network is based on scientific literature and represents hierarchical molecular pathways that lead from receptor activation to cardiac pathologies. To test the ability of our approach to detect cardiotoxic outcomes from transcriptomic data, we have selected three publicly available data sets that reported chemically induced heart pathologies in zebrafish larvae for five different chemicals. Network-based analysis detected cardiac perturbations for four out of five chemicals tested, for two of them using transcriptomic data collected up to 3 days before the onset of a visible phenotype. Additionally, we identified distinct molecular pathways that were activated by the different chemicals. The results demonstrate that the proposed integrational method can be used for evaluating the effects of chemicals on the zebrafish cardiac function and, together with observed cardiac apical end points, can provide a comprehensive method for connecting molecular events to organ toxicity. The computable network model is freely available and may be used to generate mechanistic hypotheses and quantifiable perturbation values from any zebrafish transcriptomic data.
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Affiliation(s)
- Roman Li
- Swiss Federal Institute of Aquatic Science and Technology, Eawag, Überlandstrasse 133, CH-8600 Dübendorf, Switzerland.,PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000 Neuchâtel, Switzerland
| | - Anze Zupanic
- Swiss Federal Institute of Aquatic Science and Technology, Eawag, Überlandstrasse 133, CH-8600 Dübendorf, Switzerland
| | - Marja Talikka
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000 Neuchâtel, Switzerland
| | - Vincenzo Belcastro
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000 Neuchâtel, Switzerland
| | - Sumit Madan
- Fraunhofer Institute for Algorithms and Scientific Computing, Schloss Birlinghoven, Sankt Augustin 53754, Germany
| | - Jens Dörpinghaus
- Fraunhofer Institute for Algorithms and Scientific Computing, Schloss Birlinghoven, Sankt Augustin 53754, Germany
| | - Colette Vom Berg
- Swiss Federal Institute of Aquatic Science and Technology, Eawag, Überlandstrasse 133, CH-8600 Dübendorf, Switzerland
| | - Justyna Szostak
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000 Neuchâtel, Switzerland
| | - Florian Martin
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000 Neuchâtel, Switzerland
| | - Manuel C Peitsch
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000 Neuchâtel, Switzerland
| | - Julia Hoeng
- PMI R&D, Philip Morris Products S.A., Quai Jeanrenaud 5, CH-2000 Neuchâtel, Switzerland
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16
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Tian L, Sheng D, Li Q, Guo C, Zhu G. Preliminary safety assessment of oridonin in zebrafish. PHARMACEUTICAL BIOLOGY 2019; 57:632-640. [PMID: 31545911 PMCID: PMC6764400 DOI: 10.1080/13880209.2019.1662457] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Context: Oridonin, isolated from the leaves of Isodon rubescens (Hemsl.) H.Hara (Lamiaceae), has good antitumor activity. However, its safety in vivo is still unclear. Objective: To investigate the preliminary safety of oridonin in zebrafish. Materials and methods: Embryo, larvae and adult zebrafish (n = 40) were used. Low, medium and high oridonin concentrations (100, 200 and 400 mg/L for embryo; 150, 300 and 600 mg/L for larvae; 200, 400 and 800 mg/L for adult zebrafish) and blank samples were administered. At specific stages of zebrafish development, spontaneous movement, heartbeat, hatching rate, etc., were recorded to assess the developmental effects of oridonin. VEGFA, VEGFR2 and VEGFR3 gene expression were also examined. Results: Low-dose oridonin increased spontaneous movement and hatching rate with median effective doses (ED50) of 115.17 mg/L at 24 h post-fertilization (hpf) and 188.59 mg/L at 54 hpf, but these values decreased at high doses with half maximal inhibitory concentrations (IC50) of 209.11 and 607.84 mg/L. Oridonin decreased heartbeat with IC50 of 285.76 mg/L at 48 hpf, and induced malformation at 120 hpf with half maximal effective concentration (EC50) of 411.94 mg/L. Oridonin also decreased body length with IC50 of 324.78 mg/L at 144 hpf, and increased swimming speed with ED50 of 190.98 mg/L at 120 hpf. The effects of oridonin on zebrafish embryo development may be attributed to the downregulation of VEGFR3 gene expression. Discussions and conclusions: Oridonin showed adverse effects at early stages of zebrafish development. We will perform additional studies on mechanism of oridonin based on VEGFR3.
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Affiliation(s)
- Lili Tian
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Traditional Chinese Medicine Pharmacy, Zhejiang Hospital, Hangzhou, China
| | - Donglai Sheng
- Institute of Developmental and Regenerative Biology, Hangzhou Normal University, Hangzhou, China
| | - Qiushuang Li
- Center of Clinical Evaluation and Analysis, Zhejiang Provincial Hospital of Traditional Chinese Medicine, Hangzhou, China
| | - Chenxu Guo
- Department of Integrated Chinese and Western Medicine, Shanghai Eastern Hepatobiliary Surgery Hospital, Shanghai, China
| | - Guofu Zhu
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- CONTACT Guofu Zhu School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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17
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Gao Y, Lee H, Kwon OK, Tan M, Kim KT, Lee S. Global Proteomic Analysis of Lysine Succinylation in Zebrafish (Danio rerio). J Proteome Res 2019; 18:3762-3769. [DOI: 10.1021/acs.jproteome.9b00462] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yan Gao
- BK21 Plus KNU Multi-Omics Based Creative Drug Research Team, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | | | - Oh Kwang Kwon
- BK21 Plus KNU Multi-Omics Based Creative Drug Research Team, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Minjia Tan
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | | | - Sangkyu Lee
- BK21 Plus KNU Multi-Omics Based Creative Drug Research Team, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Republic of Korea
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18
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Jang HS, Pearce M, O'Donnell EF, Nguyen BD, Truong L, Mueller MJ, Bisson WH, Kerkvliet NI, Tanguay RL, Kolluri SK. Identification of a Raloxifene Analog That Promotes AhR-Mediated Apoptosis in Cancer Cells. BIOLOGY 2017; 6:biology6040041. [PMID: 29194351 PMCID: PMC5745446 DOI: 10.3390/biology6040041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 11/14/2017] [Accepted: 11/22/2017] [Indexed: 12/11/2022]
Abstract
We previously reported that raloxifene, an estrogen receptor modulator, is also a ligand for the aryl hydrocarbon receptor (AhR). Raloxifene induces apoptosis in estrogen receptor-negative human cancer cells through the AhR. We performed structure–activity studies with seven raloxifene analogs to better understand the structural requirements of raloxifene for induction of AhR-mediated transcriptional activity and apoptosis. We identified Y134 as a raloxifene analog that activates AhR-mediated transcriptional activity and induces apoptosis in MDA-MB-231 human triple negative breast cancer cells. Suppression of AhR expression strongly reduced apoptosis induced by Y134, indicating the requirement of AhR for Y134-induced apoptosis. Y134 also induced apoptosis in hepatoma cells without having an effect on cell cycle regulation. Toxicity testing on zebrafish embryos revealed that Y134 has a significantly better safety profile than raloxifene. Our studies also identified an analog of raloxifene that acts as a partial antagonist of the AhR, and is capable of inhibiting AhR agonist-induced transcriptional activity. We conclude that Y134 is a promising raloxifene analog for further optimization as an anti-cancer agent targeting the AhR.
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Affiliation(s)
- Hyo Sang Jang
- Cancer Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA.
| | - Martin Pearce
- Cancer Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA.
| | - Edmond F O'Donnell
- Cancer Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA.
| | - Bach Duc Nguyen
- Cancer Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA.
| | - Lisa Truong
- Department of Environmental and Molecular Toxicology, Environmental Health Sciences Center, Oregon State University, Corvallis, OR 97331, USA.
| | - Monica J Mueller
- Cancer Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA.
| | - William H Bisson
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA.
| | - Nancy I Kerkvliet
- Department of Environmental and Molecular Toxicology, Environmental Health Sciences Center, Oregon State University, Corvallis, OR 97331, USA.
| | - Robert L Tanguay
- Department of Environmental and Molecular Toxicology, Environmental Health Sciences Center, Oregon State University, Corvallis, OR 97331, USA.
- Linus Pauling Institute, Oregon State University, Corvallis, OR 97331, USA.
- Center for Genome Research and Biocomputing, Oregon State University, Corvallis, OR 97331, USA.
| | - Siva Kumar Kolluri
- Cancer Research Laboratory, Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, USA.
- Department of Environmental and Molecular Toxicology, Environmental Health Sciences Center, Oregon State University, Corvallis, OR 97331, USA.
- Linus Pauling Institute, Oregon State University, Corvallis, OR 97331, USA.
- Center for Genome Research and Biocomputing, Oregon State University, Corvallis, OR 97331, USA.
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