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Kanoh T, Mizoguchi T, Tonoki A, Itoh M. Modeling of age-related neurological disease: utility of zebrafish. Front Aging Neurosci 2024; 16:1399098. [PMID: 38765773 PMCID: PMC11099255 DOI: 10.3389/fnagi.2024.1399098] [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: 03/11/2024] [Accepted: 04/18/2024] [Indexed: 05/22/2024] Open
Abstract
Many age-related neurological diseases still lack effective treatments, making their understanding a critical and urgent issue in the globally aging society. To overcome this challenge, an animal model that accurately mimics these diseases is essential. To date, many mouse models have been developed to induce age-related neurological diseases through genetic manipulation or drug administration. These models help in understanding disease mechanisms and finding potential therapeutic targets. However, some age-related neurological diseases cannot be fully replicated in human pathology due to the different aspects between humans and mice. Although zebrafish has recently come into focus as a promising model for studying aging, there are few genetic zebrafish models of the age-related neurological disease. This review compares the aging phenotypes of humans, mice, and zebrafish, and provides an overview of age-related neurological diseases that can be mimicked in mouse models and those that cannot. We presented the possibility that reproducing human cerebral small vessel diseases during aging might be difficult in mice, and zebrafish has potential to be another animal model of such diseases due to their similarity of aging phenotype to humans.
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Affiliation(s)
- Tohgo Kanoh
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan
| | - Takamasa Mizoguchi
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan
| | - Ayako Tonoki
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan
| | - Motoyuki Itoh
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan
- Research Institute of Disaster Medicine, Chiba University, Chiba, Japan
- Health and Disease Omics Center, Chiba University, Chiba, Japan
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2
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Deng Y, Hu T, Chen J, Zeng J, Yang J, Ke Q, Miao L, Chen Y, Li R, Zhang R, Xu P. Non-invasive methods for heart rate measurement in fish based on photoplethysmography. J Exp Biol 2024; 227:jeb246464. [PMID: 38284767 DOI: 10.1242/jeb.246464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 01/22/2024] [Indexed: 01/30/2024]
Abstract
Heart rate is a crucial physiological indicator for fish, but current measurement methods are often invasive or require delicate manipulation. In this study, we introduced two non-invasive and easy-to-operate methods based on photoplethysmography, namely reflectance-type photoplethysmography (PPG) and remote photoplethysmography (rPPG), which we applied to the large yellow croaker (Larimichthys crocea). PPG showed perfect synchronization with electrocardiogram (ECG), with a Pearson's correlation coefficient of 0.99999. For rPPG, the results showed good agreement with ECG. Under active provision of green light, the Pearson's correlation coefficient was 0.966, surpassing the value of 0.947 under natural light. Additionally, the root mean square error was 0.810, which was lower than the value of 1.30 under natural light, indicating not only that the rPPG method had relatively high accuracy but also that green light may have the potential to further improve its accuracy.
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Affiliation(s)
- Yacheng Deng
- State Key Laboratory of Mariculture Breeding, Xiamen University, Xiamen 361102, China
- Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China
| | - Tianyu Hu
- School of Electronic Science and Engineering (National Model Microelectronics College), Xiamen University, Xiamen 361005, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China
| | - Jia Chen
- School of Electronic Science and Engineering (National Model Microelectronics College), Xiamen University, Xiamen 361005, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China
| | - Junjia Zeng
- State Key Laboratory of Mariculture Breeding, Xiamen University, Xiamen 361102, China
- Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China
| | - Jinqian Yang
- School of Electronic Science and Engineering (National Model Microelectronics College), Xiamen University, Xiamen 361005, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China
| | - Qiaozhen Ke
- State Key Laboratory of Mariculture Breeding, Xiamen University, Xiamen 361102, China
- Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China
| | - Lingwei Miao
- State Key Laboratory of Mariculture Breeding, Xiamen University, Xiamen 361102, China
- Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China
| | - Yujia Chen
- State Key Laboratory of Mariculture Breeding, Xiamen University, Xiamen 361102, China
- Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China
| | - Rui Li
- State Key Laboratory of Mariculture Breeding, Xiamen University, Xiamen 361102, China
- Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China
| | - Rongxin Zhang
- School of Electronic Science and Engineering (National Model Microelectronics College), Xiamen University, Xiamen 361005, China
- Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China
| | - Peng Xu
- State Key Laboratory of Mariculture Breeding, Xiamen University, Xiamen 361102, China
- Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China
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Watanabe-Asaka T, Niihori M, Sonobe H, Igarashi K, Oda S, Iwasaki KI, Katada Y, Yamashita T, Terada M, Baba SA, Mitani H, Mukai C. Acquirement of the autonomic nervous system modulation evaluated by heart rate variability in medaka (Oryzias latipes). PLoS One 2022; 17:e0273064. [PMID: 36584168 PMCID: PMC9803310 DOI: 10.1371/journal.pone.0273064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 12/17/2022] [Indexed: 12/31/2022] Open
Abstract
Small teleosts have recently been established as models of human diseases. However, measuring heart rate by electrocardiography is highly invasive for small fish and not widely used. The physiological nature and function of vertebrate autonomic nervous system (ANS) modulation of the heart has traditionally been investigated in larvae, transparent but with an immature ANS, or in anesthetized adults, whose ANS activity may possibly be disturbed under anesthesia. Here, we defined the frequency characteristics of heart rate variability (HRV) modulated by the ANS from observations of heart movement in high-speed movie images and changes in ANS regulation under environmental stimulation in unanesthetized adult medaka (Oryzias latipes). The HRV was significantly reduced by atropine (1 mM) in the 0.25-0.65 Hz and by propranolol (100 μM) at 0.65-1.25 Hz range, suggesting that HRV in adult medaka is modulated by both the parasympathetic and sympathetic nervous systems within these frequency ranges. Such modulations of HRV by the ANS in adult medaka were remarkably suppressed under anesthesia and continuous exposure to light suppressed HRV only in the 0.25-0.65 Hz range, indicating parasympathetic withdrawal. Furthermore, pre-hatching embryos did not show HRV and the power of HRV developed as fish grew. These results strongly suggest that ANS modulation of the heart in adult medaka is frequency-dependent phenomenon, and that the impact of long-term environmental stimuli on ANS activities, in addition to development of ANS activities, can be precisely evaluated in medaka using the presented method.
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Affiliation(s)
- Tomomi Watanabe-Asaka
- Space Biomedical Research Office, JAXA, Tsukuba, Japan
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Japan
- Faculty of Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Japan
- * E-mail:
| | - Maki Niihori
- Space Biomedical Research Office, JAXA, Tsukuba, Japan
| | - Hiroki Sonobe
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Japan
- Department of Biology, Faculty of Science, Toho University, Funabashi, Japan
| | - Kento Igarashi
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Japan
| | - Shoji Oda
- Space Biomedical Research Office, JAXA, Tsukuba, Japan
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Japan
| | - Ken-ichi Iwasaki
- Space Biomedical Research Office, JAXA, Tsukuba, Japan
- Department of Social Medicine, Division of Hygiene, Nihon University School of Medicine, Tokyo, Japan
| | - Yoshihiko Katada
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Japan
| | - Toshikazu Yamashita
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Japan
| | | | - Shoji A. Baba
- Department of Biology, Ochanomizu University, Tokyo, Japan
| | - Hiroshi Mitani
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Japan
| | - Chiaki Mukai
- Space Biomedical Research Office, JAXA, Tsukuba, Japan
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Jiang Y, Geng N, Wang M, Wu W, Feng N, Zhang X. 5-HMF affects cardiovascular development in zebrafish larvae via reactive oxygen species and Wnt signaling pathways. Comp Biochem Physiol C Toxicol Pharmacol 2022; 262:109452. [PMID: 36067963 DOI: 10.1016/j.cbpc.2022.109452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 08/29/2022] [Accepted: 08/31/2022] [Indexed: 11/23/2022]
Abstract
5-Hydroxymethylfurfural (5-HMF) is a small molecule aldehyde compound produced by the Maillard reaction. As 5-HMF exists in a variety of foods and drugs and is easily ingested by humans, it has attracted extensive toxicological attention in recent years. Relevant research showed that 5-HMF has cytotoxicity, genotoxicity, and tumor effects. However, the cardiovascular effects of 5-HMF are unknown. To investigate the cardiovascular effects of 5-HMF in zebrafish, wild-type and transgenic embryos were treated with 10, 25, and 50 μg/mL of 5-HMF, followed by toxicological evaluation, histological observation, fluorescence observation, cell apoptosis staining, and gene quantitative analysis. High 5-HMF concentrations led to a significant increase in the heart rate and pericardial edema ratio, larger venous sinus-arterial bulb distance, more apoptosis of cardiac cells, cardiac linearization, defects in angiogenesis and cardiovascular development, and apoptosis-related gene expression disorders in zebrafish larvae. The abnormal phenotype caused by 5-HMF can be rescued by antioxidant N-acetyl-L-cysteine (NAC) and Wnt signaling pathway activator BML-284. It is inferred that high 5-HMF concentrations increased the level of reactive oxygen species, inhibited the transduction of the Wnt signaling pathway, and resulted in abnormal cardiovascular development in zebrafish larvae. This study provides a reference for understanding the mechanism of 5-HMF effects on cardiac development.
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Affiliation(s)
- Yu Jiang
- Department of General Practice, The Affiliated Wuxi Clinical College of Nantong University, Jiangsu, China; The Affiliated Wuxi No.2 People's Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
| | - Nan Geng
- Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Mingyong Wang
- Murui Biological Technology Co., Ltd., Suzhou Industrial Park, No 11 Jinpu road, Suzhou, China
| | - Wen Wu
- Department of General Practice, The Affiliated Wuxi Clinical College of Nantong University, Jiangsu, China
| | - Ninghan Feng
- Department of General Practice, The Affiliated Wuxi Clinical College of Nantong University, Jiangsu, China.
| | - Xian Zhang
- Wuxi Hospital of Traditional Chinese Medicine, Wuxi, Jiangsu, China.
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5
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Longitudinal investigation of a xenograft tumor zebrafish model using polarization-sensitive optical coherence tomography. Sci Rep 2022; 12:15381. [PMID: 36100620 PMCID: PMC9470556 DOI: 10.1038/s41598-022-19483-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/30/2022] [Indexed: 01/19/2023] Open
Abstract
Breast cancer is a leading cause of death in female patients worldwide. Further research is needed to get a deeper insight into the mechanisms involved in the development of this devastating disease and to find new therapy strategies. The zebrafish is an established animal model, especially in the field of oncology, which has shown to be a promising candidate for pre-clinical research and precision-based medicine. To investigate cancer growth in vivo in zebrafish, one approach is to explore xenograft tumor models. In this article, we present the investigation of a juvenile xenograft zebrafish model using a Jones matrix optical coherence tomography (JM-OCT) prototype. Immunosuppressed wild-type fish at 1-month post-fertilization were injected with human breast cancer cells and control animals with phosphate buffered saline in the tail musculature. In a longitudinal study, the scatter, polarization, and vasculature changes over time were investigated and quantified in control versus tumor injected animals. A significant decrease in birefringence and an increase in scattering signal was detected in tumor injected zebrafish in comparison to the control once. This work shows the potential of JM-OCT as a non-invasive, label-free, three-dimensional, high-resolution, and tissue-specific imaging tool in pre-clinical cancer research based on juvenile zebrafish models.
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6
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Bauer B, Mally A, Liedtke D. Zebrafish Embryos and Larvae as Alternative Animal Models for Toxicity Testing. Int J Mol Sci 2021; 22:13417. [PMID: 34948215 PMCID: PMC8707050 DOI: 10.3390/ijms222413417] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/07/2021] [Accepted: 12/10/2021] [Indexed: 02/07/2023] Open
Abstract
Prerequisite to any biological laboratory assay employing living animals is consideration about its necessity, feasibility, ethics and the potential harm caused during an experiment. The imperative of these thoughts has led to the formulation of the 3R-principle, which today is a pivotal scientific standard of animal experimentation worldwide. The rising amount of laboratory investigations utilizing living animals throughout the last decades, either for regulatory concerns or for basic science, demands the development of alternative methods in accordance with 3R to help reduce experiments in mammals. This demand has resulted in investigation of additional vertebrate species displaying favourable biological properties. One prominent species among these is the zebrafish (Danio rerio), as these small laboratory ray-finned fish are well established in science today and feature outstanding biological characteristics. In this review, we highlight the advantages and general prerequisites of zebrafish embryos and larvae before free-feeding stages for toxicological testing, with a particular focus on cardio-, neuro, hepato- and nephrotoxicity. Furthermore, we discuss toxicokinetics, current advances in utilizing zebrafish for organ toxicity testing and highlight how advanced laboratory methods (such as automation, advanced imaging and genetic techniques) can refine future toxicological studies in this species.
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Affiliation(s)
- Benedikt Bauer
- Institute of Pharmacology and Toxicology, Julius-Maximilians-University, 97078 Würzburg, Germany; (B.B.); (A.M.)
| | - Angela Mally
- Institute of Pharmacology and Toxicology, Julius-Maximilians-University, 97078 Würzburg, Germany; (B.B.); (A.M.)
| | - Daniel Liedtke
- Institute of Human Genetics, Julius-Maximilians-University, 97074 Würzburg, Germany
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7
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Ling D, Chen H, Chan G, Lee SMY. Quantitative measurements of zebrafish heartrate and heart rate variability: A survey between 1990-2020. Comput Biol Med 2021; 142:105045. [PMID: 34995954 DOI: 10.1016/j.compbiomed.2021.105045] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/14/2021] [Accepted: 11/14/2021] [Indexed: 12/19/2022]
Abstract
Zebrafish is an essential model organism for studying cardiovascular diseases, given its advantages of fast proliferation and high gene homology with humans. Zebrafish embryos/larvae are valuable experimental models used in toxicology studies to analyze drug toxicity, including hepatoxicity, nephrotoxicity and cardiotoxicity, as well as for drug discovery and drug safety screening in the preclinical stage. Heart rate (HR) serves as a functional endpoint in studies of cardiotoxicity, while heart rate variability (HRV) serves as an indicator of cardiac arrhythmia. Cardiotoxicity is a major cause of early and late termination of drug trials, so a more comprehensive understanding of zebrafish HR and HRV is important. This review summarized HR and HRV in a specific range of applications and fields, focusing on zebrafish heartbeat detection procedures, signal analysis technology and well-established commercial software, such as LabVIEW, Rvlpulse, and ZebraLab. We also compared HR detection algorithms and electrocardiography (ECG)-based methods of heart signal extraction. The relationship between HR and HRV was also systematically analyzed; HR was shown to have an inverse correlation with HRV. Applications to drug testing are also highlighted in this review. Furthermore, HR and HRV were shown to be regulated by the automatic nervous system; their connections with ECG measurements are also summarized herein.
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Affiliation(s)
- Dongmin Ling
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Science, University of Macau, Macao, China
| | - Huanxian Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Science, University of Macau, Macao, China
| | - Ging Chan
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Science, University of Macau, Macao, China; Department of Public Health and Medicinal Administration, Faculty of Health Sciences, University of Macau, Macao, China
| | - Simon Ming-Yuen Lee
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Science, University of Macau, Macao, China; Department of Pharmaceutical Sciences, Faculty of Health Sciences, University of Macau, Macao, China.
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8
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Joyce W, Perry SF. Hif-1α is not required for the development of cardiac adrenergic control in zebrafish (Danio rerio). JOURNAL OF EXPERIMENTAL ZOOLOGY PART 2021; 335:623-631. [PMID: 34288573 DOI: 10.1002/jez.2507] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/23/2021] [Accepted: 07/01/2021] [Indexed: 12/23/2022]
Abstract
Adrenergic regulation, acting via the sympathetic nervous system, provides a major mechanism to control cardiac function. It has recently been shown that hypoxia inducible factor-1α (Hif-1α) is necessary for normal development of sympathetic innervation and control of cardiac function in the mouse. To investigate whether this may represent a fundamental trait shared across vertebrates, we assessed adrenergic regulation of the heart in wild-type and Hif-1α knockout (hif-1α -/- ) zebrafish (Danio rerio). Wild-type and hif-1α -/- zebrafish larvae (aged 4 and 7 days postfertilisation) exhibited similar routine heart rates within a given age group, and β-adrenergic receptor blockade with propranolol universally reduced heart rate to comparable levels, indicating similar adrenergic tone in both genotypes. In adult fish, in vivo heart rate measured during anaesthesia was identical between genotypes. Treatment of spontaneously beating hearts in vitro with adrenaline revealed a similar positive chronotropic effect and similar maximum heart rates in both genotypes. Tyrosine hydroxylase immunohistochemistry with confocal microscopy demonstrated that the bulbus arteriosus (outflow tract of the teleost heart) of adult fish was particularly well innervated by sympathetic nerves, and nerve density (as a percentage of bulbus arteriosus area) was similar between wild-types and hif-1α -/- mutants. In summary, we did not find any evidence that adrenergic cardiac control was perturbed in larval or adult zebrafish lacking Hif-1α. We conclude that Hif-1α is not essential for the normal development of cardiovascular control or adult sympathetic cardiac innervation in zebrafish, although it is possible that it plays a redundant or auxiliary role.
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Affiliation(s)
- William Joyce
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada.,Department of Biology-Zoophysiology, Aarhus University, Aarhus C, Denmark
| | - Steve F Perry
- Department of Biology, University of Ottawa, Ottawa, Ontario, Canada
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Mousavi SE, Purser GJ, Patil JG. Embryonic Onset of Sexually Dimorphic Heart Rates in the Viviparous Fish, Gambusia holbrooki. Biomedicines 2021; 9:165. [PMID: 33567532 PMCID: PMC7915484 DOI: 10.3390/biomedicines9020165] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 02/01/2021] [Accepted: 02/04/2021] [Indexed: 12/12/2022] Open
Abstract
In fish, little is known about sex-specific differences in physiology and performance of the heart and whether these differences manifest during development. Here for the first time, the sex-specific heart rates during embryogenesis of Gambusia holbrooki, from the onset of the heart rates (HRs) to just prior to parturition, was investigated using light cardiogram. The genetic sex of the embryos was post-verified using a sex-specific genetic marker. Results reveal that heart rates and resting time significantly increase (p < 0.05) with progressive embryonic development. Furthermore, both ventricular and atrial frequencies of female embryos were significantly higher (p < 0.05) than those of their male sibs at the corresponding developmental stages and remained so at all later developmental stages (p < 0.05). In concurrence, the heart rate and ventricular size of the adult females were also significantly (p < 0.05) higher and larger respectively than those of males. Collectively, the results suggest that the cardiac sex-dimorphism manifests as early as late-organogenesis and persists through adulthood in this species. These findings suggest that the cardiac measurements can be employed to non-invasively sex the developing embryos, well in advance of when their phenotypic sex is discernible. In addition, G. holbrooki could serve as a better model to study comparative vertebrate cardiovascular development as well as to investigate anthropogenic and climatic impacts on heart physiology of this species, that may be sex influenced.
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Affiliation(s)
- Seyed Ehsan Mousavi
- Fisheries and Aquaculture Centre, Institute for Marine and Antarctic Studies, University of Tasmania, Taroona, TAS 7053, Australia;
| | - G. John Purser
- Fisheries and Aquaculture Centre, Institute for Marine and Antarctic Studies, University of Tasmania, Taroona, TAS 7053, Australia;
| | - Jawahar G. Patil
- Fisheries and Aquaculture Centre, Institute for Marine and Antarctic Studies, University of Tasmania, Taroona, TAS 7053, Australia;
- Inland Fisheries Service, New Norfolk, TAS 7140, Australia
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10
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Dimitriadi A, Geladakis G, Koumoundouros G. 3D heart morphological changes in response to developmental temperature in zebrafish: More than ventricle roundness. J Morphol 2020; 282:80-87. [PMID: 33617037 DOI: 10.1002/jmor.21283] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 09/11/2020] [Accepted: 10/03/2020] [Indexed: 12/12/2022]
Abstract
A new, three-dimensional geometric morphometric approach was assessed to study the effect of developmental temperature on fish heart shape utilizing geometric morphometrics of three-dimensional landmarks captured on digitally reconstructed zebrafish hearts. This study reports the first three-dimensional analysis of the fish heart and demonstrates significant shape modifications occurring after three developmental temperature treatments (TD = 24, 28 or 32°C) at two distinct developmental stages (juvenile and adult fish). Elevation of TD induced ventricle roundness in juveniles, males and females. Furthermore, significant differences that have not been described so far in heart morphometric indices (i.e., ventricle sphericity, bulbus arteriosus elongation and relative location, heart asymmetry) were identified. Sex proved to be a significant regulating factor of heart shape plasticity in response to TD. This methodology offers unique benefits by providing a more precise representation of heart shape changes in response to developmental temperature that are otherwise not discernable with the previously described two-dimensional methods. Our work provides the first evidence of three-dimensional shape alterations of the zebrafish heart adding to the emerging rationale of temperature-driven plastic responses of global warming and seasonal temperature disturbances in wild fish populations and in other ectothermic vertebrates as well (amphibians and reptiles).
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11
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Santoso F, Farhan A, Castillo AL, Malhotra N, Saputra F, Kurnia KA, Chen KHC, Huang JC, Chen JR, Hsiao CD. An Overview of Methods for Cardiac Rhythm Detection in Zebrafish. Biomedicines 2020; 8:E329. [PMID: 32899676 PMCID: PMC7554775 DOI: 10.3390/biomedicines8090329] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 08/29/2020] [Accepted: 09/01/2020] [Indexed: 12/17/2022] Open
Abstract
The heart is the most important muscular organ of the cardiovascular system, which pumps blood and circulates, supplying oxygen and nutrients to peripheral tissues. Zebrafish have been widely explored in cardiotoxicity research. For example, the zebrafish embryo has been used as a human heart model due to its body transparency, surviving several days without circulation, and facilitating mutant identification to recapitulate human diseases. On the other hand, adult zebrafish can exhibit the amazing regenerative heart muscle capacity, while adult mammalian hearts lack this potential. This review paper offers a brief description of the major methodologies used to detect zebrafish cardiac rhythm at both embryonic and adult stages. The dynamic pixel change method was mostly performed for the embryonic stage. Other techniques, such as kymography, laser confocal microscopy, artificial intelligence, and electrocardiography (ECG) have also been applied to study heartbeat in zebrafish embryos. Nevertheless, ECG is widely used for heartbeat detection in adult zebrafish since ECG waveforms' similarity between zebrafish and humans is prominent. High-frequency ultrasound imaging (echocardiography) and modern electronic sensor tag also have been proposed. Despite the fact that each method has its benefits and limitations, it is proved that zebrafish have become a promising animal model for human cardiovascular disease, drug pharmaceutical, and toxicological research. Using those tools, we conclude that zebrafish behaviors as an excellent small animal model to perform real-time monitoring for the developmental heart process with transparent body appearance, to conduct the in vivo cardiovascular performance and gene function assays, as well as to perform high-throughput/high content drug screening.
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Affiliation(s)
- Fiorency Santoso
- Master Program in Nanotechnology, Chung Yuan Christian University, Chung-Li 320314, Taiwan;
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (F.S.); (K.A.K.)
| | - Ali Farhan
- Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Punjab 38000, Pakistan;
| | - Agnes L. Castillo
- Faculty of Pharmacy, The Graduate School and Research Center for the Natural and Applied Sciences, University of Santo Tomas, Manila 1008, Philippines;
| | - Nemi Malhotra
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung-Li 320314, Taiwan;
| | - Ferry Saputra
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (F.S.); (K.A.K.)
| | - Kevin Adi Kurnia
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (F.S.); (K.A.K.)
| | - Kelvin H.-C. Chen
- Department of Applied Chemistry, National Pingtung University, Pingtung 900391, Taiwan;
| | - Jong-Chin Huang
- Department of Applied Chemistry, National Pingtung University, Pingtung 900391, Taiwan;
| | - Jung-Ren Chen
- Department of Biological Science & Technology College of Medicine, I-Shou University, Kaohsiung 82445, Taiwan
| | - Chung-Der Hsiao
- Master Program in Nanotechnology, Chung Yuan Christian University, Chung-Li 320314, Taiwan;
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (F.S.); (K.A.K.)
- Center of Nanotechnology, Chung Yuan Christian University, Chung-Li 320314, Taiwan
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