1
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Qian ST, Chen LM, He MF, Li HJ. Zebrafish Larvae as a Predictive Model for the Risk of Chemical-Induced Cholestasis: Phenotypic Evaluation and Nomogram Formation. Chem Res Toxicol 2024; 37:1976-1988. [PMID: 39566033 DOI: 10.1021/acs.chemrestox.4c00324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2024]
Abstract
Chemical-induced cholestasis (CIC) has become a concern in chemical safety risk assessment in pharmaceutical, food, cosmetic, and industrial manufacturing. Currently, known animal and in vitro liver models are unsuitable as high-throughput screening tools due to their high cost, time-consuming, or poor screening accuracy. Herein, a cohort of chemicals validated as cholestatic hepatotoxic in humans, rodents, and in vitro liver models was established for testing. The accuracy and reliability of the detection of CIC in zebrafish larvae were assessed by liver phenotype, bile flow inhibition rate, bile acid distribution, biochemical indices, and RT-qPCR. In addition, the nomogram prediction model was constructed using binomial logistic regression analysis. The model was constructed with three variables: aspartate aminotransferase (AST.FC) level, total bile acid (TBA.FC) level, and fold change in the number of bile acid nodes per unit of bile ducts in the zebrafish liver (NPL.FC), which showed high predictive power (areas under the ROC curve: 0.983). Furthermore, this study demonstrated that zebrafish larvae have some model specificity for CIC risk assessment of estrogen endocrine disruptors and that testing after 10 dpf provides more scientific results. Overall, combining zebrafish larval phenotyping and nomograms is an efficient and powerful tool for CIC risk monitoring of chemicals.
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Affiliation(s)
- Si-Tong Qian
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, Jiangsu, China
| | - Liang-Min Chen
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, Jiangsu, China
| | - Ming-Fang He
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, Jiangsu, China
| | - Hui-Jun Li
- State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing 211198, Jiangsu, China
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2
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Barish S, Lin SJ, Maroofian R, Gezdirici A, Alhebby H, Trimouille A, Biderman Waberski M, Mitani T, Huber I, Tveten K, Holla ØL, Busk ØL, Houlden H, Ghayoor Karimiani E, Beiraghi Toosi M, Shervin Badv R, Najarzadeh Torbati P, Eghbal F, Akhondian J, Al Safar A, Alswaid A, Zifarelli G, Bauer P, Marafi D, Fatih JM, Huang K, Petree C, Calame DG, von der Lippe C, Alkuraya FS, Wali S, Lupski JR, Varshney GK, Posey JE, Pehlivan D. Homozygous variants in WDR83OS lead to a neurodevelopmental disorder with hypercholanemia. Am J Hum Genet 2024; 111:2566-2581. [PMID: 39471804 PMCID: PMC11568760 DOI: 10.1016/j.ajhg.2024.10.002] [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: 05/28/2023] [Revised: 10/01/2024] [Accepted: 10/03/2024] [Indexed: 11/01/2024] Open
Abstract
WD repeat domain 83 opposite strand (WDR83OS) encodes the 106-aa (amino acid) protein Asterix, which heterodimerizes with CCDC47 to form the PAT (protein associated with ER translocon) complex. This complex functions as a chaperone for large proteins containing transmembrane domains to ensure proper folding. Until recently, little was known about the role of WDR83OS or CCDC47 in human disease traits. However, biallelic variants in CCDC47 were identified in four unrelated families with trichohepatoneurodevelopmental syndrome, characterized by a neurodevelopmental disorder (NDD) with liver dysfunction. Three affected siblings in an additional family share a homozygous truncating WDR83OS variant and a phenotype of NDD, dysmorphic features, and liver dysfunction. Using family-based rare variant analyses of exome sequencing (ES) data and case matching through GeneMatcher, we describe the clinical phenotypes of 11 additional individuals in eight unrelated families (nine unrelated families, 14 individuals in total) with biallelic putative truncating variants in WDR83OS. Consistent clinical features include NDD (14/14), facial dysmorphism (13/14), intractable itching (9/14), and elevated bile acids (5/6). Whereas bile acids were significantly elevated in 5/6 of individuals tested, bilirubin was normal and liver enzymes were normal to mildly elevated in all 14 individuals. In three of six individuals for whom longitudinal data were available, we observed a progressive reduction in relative head circumference. A zebrafish model lacking Wdr83os function further supports its role in the nervous system, craniofacial development, and lipid absorption. Taken together, our data support a disease-gene association between biallelic loss-of-function of WDR83OS and a neurological disease trait with hypercholanemia.
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Affiliation(s)
- Scott Barish
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Sheng-Jia Lin
- Genes & Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Reza Maroofian
- Department of Neuromuscular Disorders, UCL Queen Square Institute of Neurology, London WC1N 3BG, UK
| | - Alper Gezdirici
- Department of Medical Genetics, Basaksehir Cam and Sakura City Hospital, Istanbul 34480, Turkey
| | - Hamoud Alhebby
- Division of Gastroenterology, Department of Pediatrics, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
| | - Aurélien Trimouille
- Department of Medical Genetics, University Hospital of Bordeaux, 33076 Bordeaux, France; INSERM U1211, Laboratoire Maladies Rares: Génétique et Métabolisme, Bordeaux University, Bordeaux, France
| | | | - Tadahiro Mitani
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Ilka Huber
- Department of Pediatrics, Sørlandet Hospital, Arendal, Norway
| | - Kristian Tveten
- Department of Medical Genetics, Telemark Hospital Trust, Skien, Norway
| | - Øystein L Holla
- Department of Medical Genetics, Telemark Hospital Trust, Skien, Norway
| | - Øyvind L Busk
- Department of Medical Genetics, Telemark Hospital Trust, Skien, Norway
| | - Henry Houlden
- Department of Neuromuscular Disorders, UCL Queen Square Institute of Neurology, London WC1N 3BG, UK
| | - Ehsan Ghayoor Karimiani
- Molecular and Clinical Sciences Institute, St. George's, University of London, Cranmer Terrace, London SW17 0RE, UK
| | - Mehran Beiraghi Toosi
- Department of Pediatric Diseases, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Reza Shervin Badv
- Children's Medical Center, Pediatrics Center of Excellence, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Fatemeh Eghbal
- Department of Medical Genetics, Next Generation Genetic Polyclinic, Mashhad, Iran
| | - Javad Akhondian
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ayat Al Safar
- College of Medicine, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia; Department of Paediatrics, King Fahd Hospital of University, Al-khobar, Saudi Arabia
| | - Abdulrahman Alswaid
- King Saud Bin Abdulaziz University for Health Sciences, Department of Pediatrics, MC 1940, King Abdullah Specialized Children's Hospital, Riyadh, Saudi Arabia
| | | | - Peter Bauer
- CENTOGENE GmbH, Am Strande 7, 18055 Rostock, Germany
| | - Dana Marafi
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Department of Pediatrics, Faculty of Medicine, Kuwait University, P.O. Box 24923, Safat 13110, Kuwait
| | - Jawid M Fatih
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Kevin Huang
- Genes & Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Cassidy Petree
- Genes & Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Daniel G Calame
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Section of Neurology and Developmental Neuroscience, Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA; Texas Children's Hospital, Houston, TX 77030, USA
| | | | - Fowzan S Alkuraya
- Department of Translational Genomics, Center for Genomic Medicine, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Sami Wali
- Division of Gastroenterology, Department of Pediatrics, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
| | - James R Lupski
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Texas Children's Hospital, Houston, TX 77030, USA; The Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX, USA; Department of Pediatrics, Baylor College of Medicine, Houston, TX, USA
| | - Gaurav K Varshney
- Genes & Human Disease Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Jennifer E Posey
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA.
| | - Davut Pehlivan
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA; Section of Neurology and Developmental Neuroscience, Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA; Texas Children's Hospital, Houston, TX 77030, USA.
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3
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Guo C, Wu Y, Wang Q, Li X, Deng T, Xia X, Li L, Li H, Lin C, Zhu C, Liu F. Super-resolution imaging lysosome vesicles and establishing a gallbladder-visualizable zebrafish model via a fluorescence probe. Talanta 2024; 279:126656. [PMID: 39098243 DOI: 10.1016/j.talanta.2024.126656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 07/24/2024] [Accepted: 07/31/2024] [Indexed: 08/06/2024]
Abstract
Advanced probes for imaging viscous lipids microenvironment in vitro and in vivo are desirable for the study of membranous organelles and lipids traffic. Herein, a reaction-based dihydroquinoline probe (DCQ) was prepared via linking a diethylamino coumarin fluorophore with a N-methylquinoline moiety. DCQ is stable in low viscous aqueous mediums and exhibits green fluorescence, which undergoes fast autoxidation in high viscous mediums to form a fluorescent product with deep-red to near-infrared (NIR) emission, rendering the ability for dual-color imaging. Living cell imaging indicated that DCQ can effectively stain lysosomal membranes with deep-red fluorescence. Super-resolution imaging of lysosome vesicles has been achieved by DCQ and stimulated emission depletion (STED) microscopy. In addition, DCQ realizes multiple organs imaging in zebrafish, whose dual-color emission can perfectly discriminate zebrafish's yolk sac, digestive tract and gallbladder. Most importantly, DCQ has been successfully used to establish a gallbladder-visualizable zebrafish model for the evaluation of drug stress.
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Affiliation(s)
- Chengxi Guo
- School of Pharmaceutical Sciences, Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yufang Wu
- School of Pharmaceutical Sciences, Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Qiling Wang
- School of Pharmaceutical Sciences, Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Xiaoqi Li
- School of Pharmaceutical Sciences, Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Tao Deng
- School of Medicine, Foshan University, Foshan, 528000, China
| | - Xiaotong Xia
- School of Pharmaceutical Sciences, Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Lei Li
- School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430000, China.
| | - Huan Li
- Lingnan Medical Research Center, The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510407, China
| | - Chaozhan Lin
- School of Pharmaceutical Sciences, Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Chenchen Zhu
- School of Pharmaceutical Sciences, Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
| | - Fang Liu
- School of Pharmaceutical Sciences, Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
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4
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Chen LM, Qian ST, Li ZQ, He MF, Li HJ. Psoralen and Isopsoralen, Two Estrogen -Like Natural Products from Psoraleae Fructus, Induced Cholestasis via Activation of ERK1/2. Chem Res Toxicol 2024; 37:804-813. [PMID: 38646980 DOI: 10.1021/acs.chemrestox.4c00054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
With the increasing use of oral contraceptives and estrogen replacement therapy, the incidence of estrogen-induced cholestasis (EC) has tended to rise. Psoralen (P) and isopsoralen (IP) are the major bioactive components in Psoraleae Fructus, and their estrogen-like activities have already been recognized. Recent studies have also reported that ERK1/2 plays a critical role in EC in mice. This study aimed to investigate whether P and IP induce EC and reveal specific mechanisms. It was found that P and IP increased the expression of esr1, cyp19a1b and the levels of E2 and VTG at 80 μM in zebrafish larvae. Exemestane (Exe), an aromatase antagonist, blocked estrogen-like activities of P and IP. At the same time, P and IP induced cholestatic hepatotoxicity in zebrafish larvae with increasing liver fluorescence areas and bile flow inhibition rates. Further mechanistic analysis revealed that P and IP significantly decreased the expression of bile acids (BAs) synthesis genes cyp7a1 and cyp8b1, BAs transport genes abcb11b and slc10a1, and BAs receptor genes nr1h4 and nr0b2a. In addition, P and IP caused EC by increasing the level of phosphorylation of ERK1/2. The ERK1/2 antagonists GDC0994 and Exe both showed significant rescue effects in terms of cholestatic liver injury. In conclusion, we comprehensively studied the specific mechanisms of P- and IP-induced EC and speculated that ERK1/2 may represent an important therapeutic target for EC induced by phytoestrogens.
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Affiliation(s)
- Liang-Min Chen
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Si-Tong Qian
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Zhuo-Qing Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
| | - Ming-Fang He
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Hui-Jun Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 211198, China
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5
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Wan M, Xiao J, Liu J, Yang D, Wang Y, Liu J, Huang L, Liu F, Xiong G, Liao X, Lu H, Cao Z, Zhang S. Cyclosporine A induces hepatotoxicity in zebrafish larvae via upregulating oxidative stress. Comp Biochem Physiol C Toxicol Pharmacol 2023; 266:109560. [PMID: 36720376 DOI: 10.1016/j.cbpc.2023.109560] [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: 09/03/2022] [Revised: 01/16/2023] [Accepted: 01/25/2023] [Indexed: 01/30/2023]
Abstract
As a powerful immunosuppressant, cyclosporine A (CsA) is widely used clinically. However, it has been found to have many side effects including nephrotoxicity and neurotoxicity. Despite this, some patients cannot avoid using CsA during pregnancy and this can be detrimental to both the patient and the foetus. This study used zebrafish as a model animal to evaluate the hepatotoxic effects of CsA in zebrafish embryos. Zebrafish embryos cultured at 72 post-fertilization (hpf) were exposed to three concentrations of CsA at 2.5 mg/L, 5 mg/L, and 10 mg/L for 72 h. Liver developmental defects, smaller or missing swim bladder, slower heart rate, reduced body length, and delayed yolk sac absorption were observed. The level of oxidative stress (ROS) increased with the increase of CsA concentration. The indicators of related oxidative stress kinase activities including malondialdehyde (MDA), catalase (CAT) and SOD, all appeared to significantly increased. The use of astaxanthin (ATX) to inhibit oxidative stress was found to be useful for rescuing zebrafish hepatic development defects. Therefore, our results suggest that CsA induces zebrafish embryonic hepatic development defects by activating the oxidative stress. The study of CsA-induced hepatic development defects of zebrafish embryos is helpful for clinical evaluation of the safety of CsA and enables the search for new use without side effects.
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Affiliation(s)
- Mengqi Wan
- Jiangxi Key Laboratory of Developmental Biology of Organs, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China; Department of General Surgery, The Affiliated Children's Hospital of Nanchang University, Nanchang, Jiangxi 330006,China
| | - Juhua Xiao
- Department of Ultrasound, Jiangxi Provincial Maternal and Child Health Hospital, Nanchang 330006, Jiangxi, China
| | - Jiejun Liu
- Jiangxi Key Laboratory of Developmental Biology of Organs, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Dou Yang
- Jiangxi Key Laboratory of Developmental Biology of Organs, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Ying Wang
- Jiangxi Key Laboratory of Developmental Biology of Organs, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Jieping Liu
- Jiangxi Key Laboratory of Developmental Biology of Organs, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Ling Huang
- Jiangxi Key Laboratory of Developmental Biology of Organs, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Fasheng Liu
- Jiangxi Key Laboratory of Developmental Biology of Organs, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Guanghua Xiong
- Jiangxi Key Laboratory of Developmental Biology of Organs, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Xinjun Liao
- Jiangxi Key Laboratory of Developmental Biology of Organs, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Huiqiang Lu
- Jiangxi Key Laboratory of Developmental Biology of Organs, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Zigang Cao
- Jiangxi Key Laboratory of Developmental Biology of Organs, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China.
| | - Shouhua Zhang
- Department of General Surgery, The Affiliated Children's Hospital of Nanchang University, Nanchang, Jiangxi 330006,China.
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Kim M, Rizvi F, Shin D, Gouon-Evans V. Update on Hepatobiliary Plasticity. Semin Liver Dis 2023; 43:13-23. [PMID: 36764306 PMCID: PMC10005859 DOI: 10.1055/s-0042-1760306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
The liver field has been debating for decades the contribution of the plasticity of the two epithelial compartments in the liver, hepatocytes and biliary epithelial cells (BECs), to derive each other as a repair mechanism. The hepatobiliary plasticity has been first observed in diseased human livers by the presence of biphenotypic cells expressing hepatocyte and BEC markers within bile ducts and regenerative nodules or budding from strings of proliferative BECs in septa. These observations are not surprising as hepatocytes and BECs derive from a common fetal progenitor, the hepatoblast, and, as such, they are expected to compensate for each other's loss in adults. To investigate the cell origin of regenerated cell compartments and associated molecular mechanisms, numerous murine and zebrafish models with ability to trace cell fates have been extensively developed. This short review summarizes the clinical and preclinical studies illustrating the hepatobiliary plasticity and its potential therapeutic application.
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Affiliation(s)
- Minwook Kim
- Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Fatima Rizvi
- Department of Medicine, Gastroenterology Section, Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, Massachusetts
| | - Donghun Shin
- Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Valerie Gouon-Evans
- Department of Medicine, Gastroenterology Section, Center for Regenerative Medicine, Boston University and Boston Medical Center, Boston, Massachusetts
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7
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Ellis JL, Evason KJ, Zhang C, Fourman MN, Liu J, Ninov N, Delous M, Vanhollebeke B, Fiddes I, Otis JP, Houvras Y, Farber SA, Xu X, Lin X, Stainier DYR, Yin C. A missense mutation in the proprotein convertase gene furinb causes hepatic cystogenesis during liver development in zebrafish. Hepatol Commun 2022; 6:3083-3097. [PMID: 36017776 PMCID: PMC9592797 DOI: 10.1002/hep4.2038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 05/28/2022] [Accepted: 06/17/2022] [Indexed: 12/14/2022] Open
Abstract
Hepatic cysts are fluid-filled lesions in the liver that are estimated to occur in 5% of the population. They may cause hepatomegaly and abdominal pain. Progression to secondary fibrosis, cirrhosis, or cholangiocarcinoma can lead to morbidity and mortality. Previous studies of patients and rodent models have associated hepatic cyst formation with increased proliferation and fluid secretion in cholangiocytes, which are partially due to impaired primary cilia. Congenital hepatic cysts are thought to originate from faulty bile duct development, but the underlying mechanisms are not fully understood. In a forward genetic screen, we identified a zebrafish mutant that developed hepatic cysts during larval stages. The cyst formation was not due to changes in biliary cell proliferation, bile secretion, or impairment of primary cilia. Instead, time-lapse live imaging data showed that the mutant biliary cells failed to form interconnecting bile ducts because of defects in motility and protrusive activity. Accordingly, immunostaining revealed a disorganized actin and microtubule cytoskeleton in the mutant biliary cells. By whole-genome sequencing, we determined that the cystic phenotype in the mutant was caused by a missense mutation in the furinb gene, which encodes a proprotein convertase. The mutation altered Furinb localization and caused endoplasmic reticulum (ER) stress. The cystic phenotype could be suppressed by treatment with the ER stress inhibitor 4-phenylbutyric acid and exacerbated by treatment with the ER stress inducer tunicamycin. The mutant liver also exhibited increased mammalian target of rapamycin (mTOR) signaling. Treatment with mTOR inhibitors halted cyst formation at least partially through reducing ER stress. Conclusion: Our study has established a vertebrate model for studying hepatic cystogenesis and illustrated the contribution of ER stress in the disease pathogenesis.
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Affiliation(s)
- Jillian L. Ellis
- Division of Gastroenterology, Hepatology, and NutritionCincinnati Children's Hospital Medical CenterCincinnatiOhioUSA
| | - Kimberley J. Evason
- Department of Biochemistry and BiophysicsProgram in Developmental and Stem Cell BiologyLiver Center and Diabetes CenterUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
- Huntsman Cancer Institute and Department of PathologyUniversity of UtahSalt Lake CityUtahUSA
| | - Changwen Zhang
- Division of Gastroenterology, Hepatology, and NutritionCincinnati Children's Hospital Medical CenterCincinnatiOhioUSA
| | - Makenzie N. Fourman
- Division of Gastroenterology, Hepatology, and NutritionCincinnati Children's Hospital Medical CenterCincinnatiOhioUSA
| | - Jiandong Liu
- Department of Biochemistry and BiophysicsProgram in Developmental and Stem Cell BiologyLiver Center and Diabetes CenterUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
- McAllister Heart InstituteDepartment of Pathology and Laboratory MedicineSchool of MedicineThe University of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
| | - Nikolay Ninov
- Department of Biochemistry and BiophysicsProgram in Developmental and Stem Cell BiologyLiver Center and Diabetes CenterUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
- Center for Regenerative Therapies TU DresdenDresdenGermany
- Paul Langerhans Institute Dresden of the Helmholtz Center Munich at the University Hospital Carl Gustav Carus of TU DresdenGerman Center for Diabetes ResearchDresdenGermany
| | - Marion Delous
- Department of Biochemistry and BiophysicsProgram in Developmental and Stem Cell BiologyLiver Center and Diabetes CenterUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
- Equipe GENDEVCentre de Recherche en Neurosciences de LyonInserm U1028CNRS UMR5292Universite Lyon 1Universite St EtienneLyonFrance
| | - Benoit Vanhollebeke
- Department of Biochemistry and BiophysicsProgram in Developmental and Stem Cell BiologyLiver Center and Diabetes CenterUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
- Laboratory of Neurovascular SignalingDepartment of Molecular BiologyULB Neuroscience InstituteUniversite Libre de BruxellesGosseliesBelgium
| | - Ian Fiddes
- Department of Biochemistry and BiophysicsProgram in Developmental and Stem Cell BiologyLiver Center and Diabetes CenterUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
| | - Jessica P. Otis
- Department of EmbryologyCarnegie Institution for ScienceBaltimoreMarylandUSA
- Department of BiologyJohns Hopkins UniversityBaltimoreMarylandUSA
- Department of Molecular and Cellular Biology and BiochemistryBrown UniversityProvidenceRhode IslandUSA
| | - Yariv Houvras
- Weill Cornell Medical College and New York Presbyterian HospitalNew YorkNew YorkUSA
| | - Steven A. Farber
- Department of EmbryologyCarnegie Institution for ScienceBaltimoreMarylandUSA
- Department of BiologyJohns Hopkins UniversityBaltimoreMarylandUSA
| | - Xiaolei Xu
- Department of Biochemistry and Molecular BiologyDepartment of Cardiovascular MedicineMayo ClinicRochesterMinnesotaUSA
| | - Xueying Lin
- Department of Biochemistry and Molecular BiologyDepartment of Cardiovascular MedicineMayo ClinicRochesterMinnesotaUSA
| | - Didier Y. R. Stainier
- Department of Biochemistry and BiophysicsProgram in Developmental and Stem Cell BiologyLiver Center and Diabetes CenterUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
- Department of Developmental GeneticsMax Planck Institute for Heart and Lung ResearchBad NauheimGermany
| | - Chunyue Yin
- Division of Gastroenterology, Hepatology, and NutritionCincinnati Children's Hospital Medical CenterCincinnatiOhioUSA
- Department of Biochemistry and BiophysicsProgram in Developmental and Stem Cell BiologyLiver Center and Diabetes CenterUniversity of California, San FranciscoSan FranciscoCaliforniaUSA
- Division of Developmental BiologyCincinnati Children's Hospital Medical CenterCincinnatiOhioUSA
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8
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Hrncir HR, Gracz AD. Cellular and transcriptional heterogeneity in the intrahepatic biliary epithelium. GASTRO HEP ADVANCES 2022; 2:108-120. [PMID: 36593993 PMCID: PMC9802653 DOI: 10.1016/j.gastha.2022.07.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 07/19/2022] [Indexed: 01/05/2023]
Abstract
Epithelial tissues comprise heterogeneous cellular subpopulations, which often compartmentalize specialized functions like absorption and secretion to distinct cell types. In the liver, hepatocytes and biliary epithelial cells (BECs; also called cholangiocytes) are the two major epithelial lineages and play distinct roles in (1) metabolism, protein synthesis, detoxification, and (2) bile transport and modification, respectively. Recent technological advances, including single cell transcriptomic assays, have shed new light on well-established heterogeneity among hepatocytes, endothelial cells, and immune cells in the liver. However, a "ground truth" understanding of molecular heterogeneity in BECs has remained elusive, and the field currently lacks a set of consensus biomarkers for identifying BEC subpopulations. Here, we review long-standing definitions of BEC heterogeneity as well as emerging studies that aim to characterize BEC subpopulations using next generation single cell assays. Understanding cellular heterogeneity in the intrahepatic bile ducts holds promise for expanding our foundational mechanistic knowledge of BECs during homeostasis and disease.
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Affiliation(s)
- Hannah R. Hrncir
- Division of Digestive Diseases, Department of Medicine, Emory University, Atlanta, Georgia
- Graduate Program in Biochemistry, Cell and Developmental Biology, Emory University, Atlanta, Georgia
| | - Adam D. Gracz
- Division of Digestive Diseases, Department of Medicine, Emory University, Atlanta, Georgia
- Graduate Program in Biochemistry, Cell and Developmental Biology, Emory University, Atlanta, Georgia
- Graduate Program in Genetics and Molecular Biology, Emory University, Atlanta, Georgia
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9
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Fraxinellone Induces Hepatotoxicity in Zebrafish through Oxidative Stress and the Transporters Pathway. Molecules 2022; 27:molecules27092647. [PMID: 35566003 PMCID: PMC9103149 DOI: 10.3390/molecules27092647] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/11/2022] [Accepted: 04/11/2022] [Indexed: 11/17/2022] Open
Abstract
Fraxinellone (FRA), a major active component from Cortex Dictamni, produces hepatotoxicity via the metabolization of furan rings by CYP450. However, the mechanism underlying the hepatotoxicity of FRA remains unclear. Therefore, zebrafish larvae at 72 h post fertilization were used to evaluate the metabolic hepatotoxicity of FRA and to explore the underlying molecular mechanisms. The results showed that FRA (10-30 μM) induced liver injury and obvious alterations in the metabolomics of zebrafish larvae. FRA induces apoptosis by increasing the level of ROS and activating the JNK/P53 pathway. In addition, FRA can induce cholestasis by down-regulating bile acid transporters P-gp, Bsep, and Ntcp. The addition of the CYP3A inhibitor ketoconazole (1 μM) significantly reduced the hepatotoxicity of FRA (30 μM), which indicated that FRA induced hepatotoxicity through CYP3A metabolism. Targeted metabolomics analysis indicates the changes in amino acid levels can be combined with molecular biology to clarify the mechanism of hepatotoxicity induced by FRA, and amino acid metabolism monitoring may provide a new method for the prevention and treatment of DILI from FRA.
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10
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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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11
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Pham DH, Kudira R, Xu L, Valencia CA, Ellis JL, Shi T, Evason KJ, Osuji I, Matuschek N, Pfuher L, Mullen M, Mohanty SK, Husami A, Bull LN, Zhang K, Wali S, Yin C, Miethke A. Deleterious Variants in ABCC12 are Detected in Idiopathic Chronic Cholestasis and Cause Intrahepatic Bile Duct Loss in Model Organisms. Gastroenterology 2021; 161:287-300.e16. [PMID: 33771553 PMCID: PMC8238842 DOI: 10.1053/j.gastro.2021.03.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 02/25/2021] [Accepted: 03/09/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND & AIMS The etiology of cholestasis remains unknown in many children. We surveyed the genome of children with chronic cholestasis for variants in genes not previously associated with liver disease and validated their biological relevance in zebrafish and murine models. METHOD Whole-exome (n = 4) and candidate gene sequencing (n = 89) was completed on 93 children with cholestasis and normal serum γ-glutamyl transferase (GGT) levels without pathogenic variants in genes known to cause low GGT cholestasis such as ABCB11 or ATP8B1. CRISPR (clustered regularly interspaced short palindromic repeats)/Cas9 genome editing was used to induce frameshift pathogenic variants in the candidate gene in zebrafish and mice. RESULTS In a 1-year-old female patient with normal GGT cholestasis and bile duct paucity, we identified a homozygous truncating pathogenic variant (c.198delA, p.Gly67Alafs∗6) in the ABCC12 gene (NM_033226). Five additional rare ABCC12 variants, including a pathogenic one, were detected in our cohort. ABCC12 encodes multidrug resistance-associated protein 9 (MRP9) that belongs to the adenosine 5'-triphosphate-binding cassette transporter C family with unknown function and no previous implication in liver disease. Immunohistochemistry and Western blotting revealed conserved MRP9 protein expression in the bile ducts in human, mouse, and zebrafish. Zebrafish abcc12-null mutants were prone to cholangiocyte apoptosis, which caused progressive bile duct loss during the juvenile stage. MRP9-deficient mice had fewer well-formed interlobular bile ducts and higher serum alkaline phosphatase levels compared with wild-type mice. They exhibited aggravated cholangiocyte apoptosis, hyperbilirubinemia, and liver fibrosis upon cholic acid challenge. CONCLUSIONS Our work connects MRP9 with bile duct homeostasis and cholestatic liver disease for the first time. It identifies a potential therapeutic target to attenuate bile acid-induced cholangiocyte injury.
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Affiliation(s)
- Duc-Hung Pham
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Ramesh Kudira
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Lingfen Xu
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA,Shengjing Hospital of China Medical University, Pediatric Gastroenterology, Shenyang, China
| | - C. Alexander Valencia
- Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA,Lake Erie College of Osteopathic Medicine, Erie, Pennsylvania, USA,Aperiomics, Inc., Sterling, Virginia, USA
| | - Jillian L. Ellis
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Tiffany Shi
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Kimberley J. Evason
- Department of Pathology and Huntsman Cancer Institute, University of Utah, Salt Lake City, USA
| | - Immaculeta Osuji
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Nelson Matuschek
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Liva Pfuher
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Mary Mullen
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Sujit K. Mohanty
- Department of Pediatric and Thoracic Surgery, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Ammar Husami
- Division of Human Genetics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio, USA
| | - Laura N. Bull
- Liver Center Laboratory, Department of Medicine and Institute for Human Genetics, University of California San Francisco, San Francisco, California, USA
| | | | - Sami Wali
- Prince Sultan Military Medical City, Pediatric Gastroenterology, Riyadh, Saudi Arabia
| | - Chunyue Yin
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
| | - Alexander Miethke
- Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.
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12
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Wen J, Mercado GP, Volland A, Doden HL, Lickwar CR, Crooks T, Kakiyama G, Kelly C, Cocchiaro JL, Ridlon JM, Rawls JF. Fxr signaling and microbial metabolism of bile salts in the zebrafish intestine. SCIENCE ADVANCES 2021; 7:eabg1371. [PMID: 34301599 PMCID: PMC8302129 DOI: 10.1126/sciadv.abg1371] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 06/07/2021] [Indexed: 05/02/2023]
Abstract
Bile salt synthesis, secretion into the intestinal lumen, and resorption in the ileum occur in all vertebrate classes. In mammals, bile salt composition is determined by host and microbial enzymes, affecting signaling through the bile salt-binding transcription factor farnesoid X receptor (Fxr). However, these processes in other vertebrate classes remain poorly understood. We show that key components of hepatic bile salt synthesis and ileal transport pathways are conserved and under control of Fxr in zebrafish. Zebrafish bile salts consist primarily of a C27 bile alcohol and a C24 bile acid that undergo multiple microbial modifications including bile acid deconjugation that augments Fxr activity. Using single-cell RNA sequencing, we provide a cellular atlas of the zebrafish intestinal epithelium and uncover roles for Fxr in transcriptional and differentiation programs in ileal and other cell types. These results establish zebrafish as a nonmammalian vertebrate model for studying bile salt metabolism and Fxr signaling.
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Affiliation(s)
- Jia Wen
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, NC, USA
| | - Gilberto Padilla Mercado
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, NC, USA
| | - Alyssa Volland
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana Champaign, Urbana, IL, USA
| | - Heidi L Doden
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana Champaign, Urbana, IL, USA
- Department of Animal Sciences, University of Illinois at Urbana Champaign, Urbana, IL, USA
| | - Colin R Lickwar
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, NC, USA
| | - Taylor Crooks
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana Champaign, Urbana, IL, USA
| | - Genta Kakiyama
- Department of Internal Medicine, School of Medicine, Virginia Commonwealth University, Richmond, VA, USA
| | - Cecelia Kelly
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, NC, USA
| | - Jordan L Cocchiaro
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, NC, USA
| | - Jason M Ridlon
- Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana Champaign, Urbana, IL, USA.
- Department of Animal Sciences, University of Illinois at Urbana Champaign, Urbana, IL, USA
- Division of Nutritional Sciences, University of Illinois at Urbana Champaign, Urbana, IL, USA
- Cancer Center of Illinois, Urbana, IL, USA
| | - John F Rawls
- Department of Molecular Genetics and Microbiology, Duke Microbiome Center, Duke University School of Medicine, Durham, NC, USA.
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13
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Miyawaki I. Application of zebrafish to safety evaluation in drug discovery. J Toxicol Pathol 2020; 33:197-210. [PMID: 33239838 PMCID: PMC7677624 DOI: 10.1293/tox.2020-0021] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 06/30/2020] [Indexed: 12/13/2022] Open
Abstract
Traditionally, safety evaluation at the early stage of drug discovery research has been done using in silico, in vitro, and in vivo systems in this order because of limitations on the amount of compounds available and the throughput ability of the assay systems. While these in vitro assays are very effective tools for detecting particular tissue-specific toxicity phenotypes, it is difficult to detect toxicity based on complex mechanisms involving multiple organs and tissues. Therefore, the development of novel high throughput in vivo evaluation systems has been expected for a long time. The zebrafish (Danio rerio) is a vertebrate with many attractive characteristics for use in drug discovery, such as a small size, transparency, gene and protein similarity with mammals (80% or more), and ease of genetic modification to establish human disease models. Actually, in recent years, the zebrafish has attracted interest as a novel experimental animal. In this article, the author summarized the features of zebrafish that make it a suitable laboratory animal, and introduced and discussed the applications of zebrafish to preclinical toxicity testing, including evaluations of teratogenicity, hepatotoxicity, and nephrotoxicity based on morphological findings, evaluation of cardiotoxicity using functional endpoints, and assessment of seizure and drug abuse liability.
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Affiliation(s)
- Izuru Miyawaki
- Preclinical Research Laboratories, Sumitomo Dainippon Pharma
Co., Ltd., 3-1-98 Kasugade-naka, Konohana-ku, Osaka 554-0022, Japan
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14
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Katoch S, Patial V. Zebrafish: An emerging model system to study liver diseases and related drug discovery. J Appl Toxicol 2020; 41:33-51. [PMID: 32656821 DOI: 10.1002/jat.4031] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 05/31/2020] [Accepted: 06/11/2020] [Indexed: 01/03/2023]
Abstract
The zebrafish has emerged as a powerful vertebrate model for studying liver-associated disorders. Liver damage is a crucial problem in the process of drug development and zebrafish have proven to be an important tool for the high-throughput screening of drugs for hepatotoxicity. Although the structure of the zebrafish liver differs to that of mammals, the fundamental physiologic processes, genetic mutations and manifestations of pathogenic responses to environmental insults exhibit much similarity. The larval transparency of the zebrafish is a great advantage for real-time imaging in hepatic studies. The zebrafish has a broad spectrum of cytochrome P450 enzymes, which enable the biotransformation of drugs via similar pathways as mammals, including oxidation, reduction and hydrolysis reactions. In the present review, we appraise the various drugs, chemicals and toxins used to study liver toxicity in zebrafish and their similarities to the rodent models for liver-related studies. Interestingly, the zebrafish has also been effectively used to study the pathophysiology of nonalcoholic and alcoholic fatty liver disease. The genetic models of liver disorders and their easy manipulation provide great opportunity in the area of drug development. The zebrafish has proven to be an influential model for the hepatic system due to its invertebrate-like advantages coupled with its vertebrate biology. The present review highlights the pivotal role of zebrafish in bridging the gap between cell-based and mammalian models.
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Affiliation(s)
- Swati Katoch
- Pharmacology and Toxicology Laboratory, Food and Nutraceuticals Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
| | - Vikram Patial
- Pharmacology and Toxicology Laboratory, Food and Nutraceuticals Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR- Institute of Himalayan Bioresource Technology, Palampur, India
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15
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Brandt ZJ, Echert AE, Bostrom JR, North PN, Link BA. Core Hippo pathway components act as a brake on Yap and Taz in the development and maintenance of the biliary network. Development 2020; 147:dev184242. [PMID: 32439761 PMCID: PMC7328147 DOI: 10.1242/dev.184242] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Accepted: 04/24/2020] [Indexed: 12/14/2022]
Abstract
The development of the biliary system is a complex yet poorly understood process, with relevance to multiple diseases, including biliary atresia, choledochal cysts and gallbladder agenesis. We present here a crucial role for Hippo-Yap/Taz signaling in this context. Analysis of sav1 mutant zebrafish revealed dysplastic morphology and expansion of both intrahepatic and extrahepatic biliary cells, and ultimately larval lethality. Biliary dysgenesis, but not larval lethality, is driven primarily by Yap signaling. Re-expression of Sav1 protein in sav1-/- hepatocytes is able to overcome these initial deficits and allows sav1-/- fish to survive, suggesting cell non-autonomous signaling from hepatocytes. Examination of sav1-/- rescued adults reveals loss of gallbladder and formation of dysplastic cell masses expressing biliary markers, suggesting roles for Hippo signaling in extrahepatic biliary carcinomas. Deletion of stk3 revealed that the phenotypes observed in sav1 mutant fish function primarily through canonical Hippo signaling and supports a role for phosphatase PP2A, but also suggests Sav1 has functions in addition to facilitating Stk3 activity. Overall, this study defines a role for Hippo-Yap signaling in the maintenance of both intra- and extrahepatic biliary ducts.
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Affiliation(s)
- Zachary J Brandt
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Wauwatosa, WI 53226, USA
| | - Ashley E Echert
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Wauwatosa, WI 53226, USA
| | - Jonathan R Bostrom
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Wauwatosa, WI 53226, USA
| | - Paula N North
- Department of Pediatric Pathology, Medical College of Wisconsin, Wauwatosa, WI 53226, USA
| | - Brian A Link
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Wauwatosa, WI 53226, USA
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