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Lan C, Fang G, Qiu C, Li X, Yang F, Yang Y. Inhibition of DYRK1A attenuates vascular remodeling in pulmonary arterial hypertension via suppressing STAT3/Pim-1/NFAT pathway. Clin Exp Hypertens 2024; 46:2297642. [PMID: 38147409 DOI: 10.1080/10641963.2023.2297642] [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: 08/24/2023] [Accepted: 12/15/2023] [Indexed: 12/28/2023]
Abstract
Pulmonary arterial hypertension (PAH) is characterized by progressive vascular remodeling caused by the excessive proliferation and survival of pulmonary artery smooth muscle cells (PASMCs). Dual-specificity tyrosine regulated kinase 1A (DYRK1A) is a pleiotropic kinase involved in the regulation of multiple biological functions, including cell proliferation and survival. However, the role and underlying mechanisms of DYRK1A in PAH pathogenesis remain unclear. We found that DYRK1A was upregulated in PASMCs in response to hypoxia, both in vivo and in vitro. Inhibition of DYRK1A by harmine significantly attenuated hypoxia-induced pulmonary hypertension and pulmonary artery remodeling. Mechanistically, we found that DYRK1A promoted pulmonary arterial remodeling by enhancing the proliferation and survival of PASMCs through activating the STAT3/Pim-1/NFAT pathway, because STAT3 gain-of-function via adeno-associated virus serotype 2 (AAV2) carrying the constitutively active form of STAT3 (STAT3C) nearly abolished the protective effect of harmine on PAH. Collectively, our results reveal a significant role for DYRK1A in pulmonary arterial remodeling and suggest it as a drug target with translational potential for the treatment of PAH.
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Affiliation(s)
- Cong Lan
- Department of Cardiology, General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Guangyao Fang
- Department of Cardiology, General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Chenming Qiu
- Department of Burn and Plastic Surgery, General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Xiuchuan Li
- Department of Cardiology, General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Fengyuan Yang
- Department of Nephrology, General Hospital of Western Theater Command, Chengdu, Sichuan, China
| | - Yongjian Yang
- Department of Cardiology, General Hospital of Western Theater Command, Chengdu, Sichuan, China
- College of Medicine, Southwest Jiaotong University, Chengdu, Sichuan, China
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Mocumbi A, Humbert M, Saxena A, Jing ZC, Sliwa K, Thienemann F, Archer SL, Stewart S. Pulmonary hypertension. Nat Rev Dis Primers 2024; 10:1. [PMID: 38177157 DOI: 10.1038/s41572-023-00486-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/27/2023] [Indexed: 01/06/2024]
Abstract
Pulmonary hypertension encompasses a range of conditions directly or indirectly leading to elevated pressures within the pulmonary arteries. Five main groups of pulmonary hypertension are recognized, all defined by a mean pulmonary artery pressure of >20 mmHg: pulmonary arterial hypertension (rare), pulmonary hypertension associated with left-sided heart disease (very common), pulmonary hypertension associated with lung disease (common), pulmonary hypertension associated with pulmonary artery obstructions, usually related to thromboembolic disease (rare), and pulmonary hypertension with unclear and/or multifactorial mechanisms (rare). At least 1% of the world's population is affected, with a greater burden more likely in low-income and middle-income countries. Across all its forms, pulmonary hypertension is associated with adverse vascular remodelling with obstruction, stiffening and vasoconstriction of the pulmonary vasculature. Without proactive management this leads to hypertrophy and ultimately failure of the right ventricle, the main cause of death. In older individuals, dyspnoea is the most common symptom. Stepwise investigation precedes definitive diagnosis with right heart catheterization. Medical and surgical treatments are approved for pulmonary arterial hypertension and chronic thromboembolic pulmonary hypertension. There are emerging treatments for other forms of pulmonary hypertension; but current therapy primarily targets the underlying cause. There are still major gaps in basic, clinical and translational knowledge; thus, further research, with a focus on vulnerable populations, is needed to better characterize, detect and effectively treat all forms of pulmonary hypertension.
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Affiliation(s)
- Ana Mocumbi
- Faculdade de Medicina, Universidade Eduardo Mondlane, Maputo, Moçambique.
- Instituto Nacional de Saúde, EN 1, Marracuene, Moçambique.
| | - Marc Humbert
- Service de Pneumologie et Soins Intensifs Respiratoires, Hôpital Bicêtre (Assistance Publique Hôpitaux de Paris), Université Paris-Saclay, INSERM UMR_S 999, Paris, France
- ERN-LUNG, Le Kremlin Bicêtre, Paris, France
| | - Anita Saxena
- Sharma University of Health Sciences, Haryana, New Delhi, India
| | - Zhi-Cheng Jing
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Southern Medical University, Guangzhou, China
| | - Karen Sliwa
- Cape Heart Institute, Faculty of Health Science, University of Cape Town, Cape Town, South Africa
| | - Friedrich Thienemann
- Department of Medicine, Groote Schuur Hospital, Faculty of Health Science, University of Cape Town, Cape Town, South Africa
- Department of Internal Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Stephen L Archer
- Department of Medicine, Queen's University, Kingston, Ontario, Canada
| | - Simon Stewart
- Institute of Health Research, University of Notre Dame, Fremantle, Western Australia, Australia
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Giriyappagoudar M, Vastrad B, Horakeri R, Vastrad C. Study on Potential Differentially Expressed Genes in Idiopathic Pulmonary Fibrosis by Bioinformatics and Next-Generation Sequencing Data Analysis. Biomedicines 2023; 11:3109. [PMID: 38137330 PMCID: PMC10740779 DOI: 10.3390/biomedicines11123109] [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: 09/23/2023] [Revised: 10/31/2023] [Accepted: 11/02/2023] [Indexed: 12/24/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic progressive lung disease with reduced quality of life and earlier mortality, but its pathogenesis and key genes are still unclear. In this investigation, bioinformatics was used to deeply analyze the pathogenesis of IPF and related key genes, so as to investigate the potential molecular pathogenesis of IPF and provide guidance for clinical treatment. Next-generation sequencing dataset GSE213001 was obtained from Gene Expression Omnibus (GEO), and the differentially expressed genes (DEGs) were identified between IPF and normal control group. The DEGs between IPF and normal control group were screened with the DESeq2 package of R language. The Gene Ontology (GO) and REACTOME pathway enrichment analyses of the DEGs were performed. Using the g:Profiler, the function and pathway enrichment analyses of DEGs were performed. Then, a protein-protein interaction (PPI) network was constructed via the Integrated Interactions Database (IID) database. Cytoscape with Network Analyzer was used to identify the hub genes. miRNet and NetworkAnalyst databaseswereused to construct the targeted microRNAs (miRNAs), transcription factors (TFs), and small drug molecules. Finally, receiver operating characteristic (ROC) curve analysis was used to validate the hub genes. A total of 958 DEGs were screened out in this study, including 479 up regulated genes and 479 down regulated genes. Most of the DEGs were significantly enriched in response to stimulus, GPCR ligand binding, microtubule-based process, and defective GALNT3 causes HFTC. In combination with the results of the PPI network, miRNA-hub gene regulatory network and TF-hub gene regulatory network, hub genes including LRRK2, BMI1, EBP, MNDA, KBTBD7, KRT15, OTX1, TEKT4, SPAG8, and EFHC2 were selected. Cyclothiazide and rotigotinethe are predicted small drug molecules for IPF treatment. Our findings will contribute to identification of potential biomarkers and novel strategies for the treatment of IPF, and provide a novel strategy for clinical therapy.
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Affiliation(s)
- Muttanagouda Giriyappagoudar
- Department of Radiation Oncology, Karnataka Institute of Medical Sciences (KIMS), Hubballi 580022, Karnataka, India;
| | - Basavaraj Vastrad
- Department of Pharmaceutical Chemistry, K.L.E. Socitey’s College of Pharmacy, Gadag 582101, Karnataka, India;
| | - Rajeshwari Horakeri
- Department of Computer Science, Govt First Grade College, Hubballi 580032, Karnataka, India;
| | - Chanabasayya Vastrad
- Biostatistics and Bioinformatics, Chanabasava Nilaya, Bharthinagar, Dharwad 580001, Karnataka, India
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Yi D, Liu B, Ding H, Li S, Li R, Pan J, Ramirez K, Xia X, Kala M, Ye Q, Lee WH, Frye RE, Wang T, Zhao Y, Knox KS, Glembotski CC, Fallon MB, Dai Z. E2F1 Mediates SOX17 Deficiency-Induced Pulmonary Hypertension. Hypertension 2023; 80:2357-2371. [PMID: 37737027 PMCID: PMC10591929 DOI: 10.1161/hypertensionaha.123.21241] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 08/17/2023] [Indexed: 09/23/2023]
Abstract
BACKGROUND Rare genetic variants and genetic variation at loci in an enhancer in SOX17 (SRY-box transcription factor 17) are identified in patients with idiopathic pulmonary arterial hypertension (PAH) and PAH with congenital heart disease. However, the exact role of genetic variants or mutations in SOX17 in PAH pathogenesis has not been reported. METHODS SOX17 expression was evaluated in the lungs and pulmonary endothelial cells (ECs) of patients with idiopathic PAH. Mice with Tie2Cre-mediated Sox17 knockdown and EC-specific Sox17 deletion were generated to determine the role of SOX17 deficiency in the pathogenesis of PAH. Human pulmonary ECs were cultured to understand the role of SOX17 deficiency. Single-cell RNA sequencing, RNA-sequencing analysis, and luciferase assay were performed to understand the underlying molecular mechanisms of SOX17 deficiency-induced PAH. E2F1 (E2F transcription factor 1) inhibitor HLM006474 was used in EC-specific Sox17 mice. RESULTS SOX17 expression was downregulated in the lung and pulmonary ECs from patients with idiopathic PAH. Mice with Tie2Cre-mediated Sox17 knockdown and EC-specific Sox17 deletion induced spontaneously mild pulmonary hypertension. Loss of endothelial Sox17 in EC exacerbated hypoxia-induced pulmonary hypertension in mice. Loss of SOX17 in lung ECs induced endothelial dysfunctions including upregulation of cell cycle programming, proliferative and antiapoptotic phenotypes, augmentation of paracrine effect on pulmonary arterial smooth muscle cells, impaired cellular junction, and BMP (bone morphogenetic protein) signaling. E2F1 signaling was shown to mediate the SOX17 deficiency-induced EC dysfunction. Pharmacological inhibition of E2F1 in Sox17 EC-deficient mice attenuated pulmonary hypertension development. CONCLUSIONS Our study demonstrated that endothelial SOX17 deficiency induces pulmonary hypertension through E2F1. Thus, targeting E2F1 signaling represents a promising approach in patients with PAH.
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Affiliation(s)
- Dan Yi
- Division of Pulmonary, Critical Care and Sleep, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Translational Cardiovascular Research Center, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | - Bin Liu
- Division of Pulmonary, Critical Care and Sleep, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Translational Cardiovascular Research Center, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | - Hongxu Ding
- Department of Pharmacy Practice & Science, College of Pharmacy, University of Arizona, Tucson, Arizona, USA
| | - Shuai Li
- Division of Pulmonary, Critical Care and Sleep, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | - Rebecca Li
- Division of Pulmonary, Critical Care and Sleep, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | - Jiakai Pan
- Division of Pulmonary, Critical Care and Sleep, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | - Karina Ramirez
- Division of Pulmonary, Critical Care and Sleep, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | - Xiaomei Xia
- Division of Pulmonary, Critical Care and Sleep, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | - Mrinalini Kala
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | - Qinmao Ye
- Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Won Hee Lee
- Translational Cardiovascular Research Center, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Department of Basic Medical Sciences, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | | | - Ting Wang
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Department of Environmental Health Science and Center of Translational Science, Florida International University, Port Saint Lucie, Florida, USA
| | - Yutong Zhao
- Department of Physiology and Cell Biology, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Kenneth S. Knox
- Division of Pulmonary, Critical Care and Sleep, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | - Christopher C. Glembotski
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Translational Cardiovascular Research Center, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | - Michael B. Fallon
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
| | - Zhiyu Dai
- Division of Pulmonary, Critical Care and Sleep, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- Translational Cardiovascular Research Center, College of Medicine-Phoenix, University of Arizona, Phoenix, Arizona, USA
- BIO5 Institute, University of Arizona, Tucson, Arizona, USA
- Sarver Heart Center, University of Arizona, Tucson, Arizona, USA
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Pan J, Liu B, Dai Z. The Role of a Lung Vascular Endothelium Enriched Gene TMEM100. Biomedicines 2023; 11:937. [PMID: 36979916 PMCID: PMC10045937 DOI: 10.3390/biomedicines11030937] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 03/09/2023] [Accepted: 03/13/2023] [Indexed: 03/30/2023] Open
Abstract
Transmembrane protein 100 (TMEM100) is a crucial factor in the development and maintenance of the vascular system. The protein is involved in several processes such as angiogenesis, vascular morphogenesis, and integrity. Furthermore, TMEM100 is a downstream target of the BMP9/10 and BMPR2/ALK1 signaling pathways, which are key regulators of vascular development. Our recent studies have shown that TMEM100 is a lung endothelium enriched gene and plays a significant role in lung vascular repair and regeneration. The importance of TMEM100 in endothelial cells' regeneration was demonstrated when Tmem100 was specifically deleted in endothelial cells, causing an impairment in their regenerative ability. However, the role of TMEM100 in various conditions and diseases is still largely unknown, making it an interesting area of research. This review summarizes the current knowledge of TMEM100, including its expression pattern, function, molecular signaling, and clinical implications, which could be valuable in the development of novel therapies for the treatment of cardiovascular and pulmonary diseases.
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Affiliation(s)
- Jiakai Pan
- Division of Pulmonary, Critical Care and Sleep, University of Arizona, Phoenix, AZ 85004, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, AZ 85004, USA
| | - Bin Liu
- Division of Pulmonary, Critical Care and Sleep, University of Arizona, Phoenix, AZ 85004, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, AZ 85004, USA
- Translational Cardiovascular Research Center, College of Medicine-Phoenix, University of Arizona, Phoenix, AZ 85004, USA
| | - Zhiyu Dai
- Division of Pulmonary, Critical Care and Sleep, University of Arizona, Phoenix, AZ 85004, USA
- Department of Internal Medicine, College of Medicine-Phoenix, University of Arizona, Phoenix, AZ 85004, USA
- Translational Cardiovascular Research Center, College of Medicine-Phoenix, University of Arizona, Phoenix, AZ 85004, USA
- BIO5 Institute, University of Arizona, Tucson, AZ 85721, USA
- Sarver Heart Center, University of Arizona, Tucson, AZ 85721, USA
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Egln1Tie2Cre Mice Exhibit Similar Therapeutic Responses to Sildenafil, Ambrisentan, and Treprostinil as Pulmonary Arterial Hypertension (PAH) Patients, Supporting Egln1Tie2Cre Mice as a Useful PAH Model. Int J Mol Sci 2023; 24:ijms24032391. [PMID: 36768713 PMCID: PMC9916894 DOI: 10.3390/ijms24032391] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 01/09/2023] [Accepted: 01/13/2023] [Indexed: 01/27/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a progressive and inevitably fatal disease characterized by the progressive increase of pulmonary vascular resistance and obliterative pulmonary vascular remodeling, which lead to right-sided heart failure and premature death. Many of the genetically modified mouse models do not develop severe PH and occlusive vascular remodeling. Egln1Tie2Cre mice with Tie2Cre-mediated deletion of Egln1, which encodes hypoxia-inducible factor (HIF) prolyl hydroxylase 2 (PHD2), is the only mouse model with severe PAH, progressive occlusive pulmonary vascular remodeling, and right-sided heart failure leading to 50-80% mortality from the age of 3-6 months, indicating that the Egln1Tie2Cre mice model is a long-sought-after murine PAH model. However, it is unknown if Egln1Tie2Cre mice respond to FDA-approved PAH drugs in a way similar to PAH patients. Here, we tested the therapeutic effects of the three vasodilators: sildenafil (targeting nitric oxide signaling), ambrisentan (endothelin receptor antagonist), and treprostinil (prostacyclin analog) on Egln1Tie2Cre mice. All of them attenuated right ventricular systolic pressure (RVSP) in Egln1Tie2Cre mice consistent with their role as vasodilators. However, these drugs have no beneficial effects on pulmonary arterial function. Cardiac output was also markedly improved in Egln1Tie2Cre mice by any of the drug treatments. They only partially improved RV function and reduced RV hypertrophy and pulmonary vascular remodeling as well as improving short-term survival in a drug-dependent manner. These data demonstrate that Egln1Tie2Cre mice exhibit similar responses to these drugs as PAH patients seen in clinical trials. Thus, our study provides further evidence that the Egln1Tie2Cre mouse model of severe PAH is an ideal model of PAH and is potentially useful for enabling identification of drug targets and preclinical testing of novel PAH drug candidates.
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Fatty Acid Metabolism in Endothelial Cell. Genes (Basel) 2022; 13:genes13122301. [PMID: 36553568 PMCID: PMC9777652 DOI: 10.3390/genes13122301] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 11/26/2022] [Accepted: 12/04/2022] [Indexed: 12/13/2022] Open
Abstract
The endothelium is a monolayer of cells lining the inner blood vessels. Endothelial cells (ECs) play indispensable roles in angiogenesis, homeostasis, and immune response under normal physiological conditions, and their dysfunction is closely associated with pathologies such as cardiovascular diseases. Abnormal EC metabolism, especially dysfunctional fatty acid (FA) metabolism, contributes to the development of many diseases including pulmonary hypertension (PH). In this review, we focus on discussing the latest advances in FA metabolism in ECs under normal and pathological conditions with an emphasis on PH. We also highlight areas of research that warrant further investigation.
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Ormiston ML, Jankov RP, Stewart DJ. Oh NO! Loss of PHD2 leads to "radical" changes in the lung vasculature. Eur Respir J 2022; 60:2201776. [PMID: 36549689 DOI: 10.1183/13993003.01776-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 09/17/2022] [Indexed: 12/24/2022]
Affiliation(s)
- Mark L Ormiston
- Departments of Biomedical and Molecular Sciences, Medicine and Surgery, Queen's University, Kingston, ON, Canada
| | - Robert P Jankov
- Departments of Paediatrics and Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
| | - Duncan J Stewart
- Sinclair Centre for Regenerative Medicine, Ottawa Hospital Research Institute and Departments of Medicine and Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
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