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Silvani A, Ghorayeb I, Manconi M, Li Y, Clemens S. Putative Animal Models of Restless Legs Syndrome: A Systematic Review and Evaluation of Their Face and Construct Validity. Neurotherapeutics 2023; 20:154-178. [PMID: 36536233 PMCID: PMC10119375 DOI: 10.1007/s13311-022-01334-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/02/2022] [Indexed: 12/24/2022] Open
Abstract
Restless legs syndrome (RLS) is a sensorimotor disorder that severely affects sleep. It is characterized by an urge to move the legs, which is often accompanied by periodic limb movements during sleep. RLS has a high prevalence in the population and is usually a life-long condition. While its origins remain unclear, RLS is initially highly responsive to treatment with dopaminergic agonists that target D2-like receptors, in particular D2 and D3, but the long-term response is often unsatisfactory. Over the years, several putative animal models for RLS have been developed, mainly based on the epidemiological and neurochemical link with iron deficiency, treatment efficacy of D2-like dopaminergic agonists, or genome-wide association studies that identified risk factors in the patient population. Here, we present the first systematic review of putative animal models of RLS, provide information about their face and construct validity, and report their role in deciphering the underlying pathophysiological mechanisms that may cause or contribute to RLS. We propose that identifying the causal links between genetic risk factors, altered organ functions, and changes to molecular pathways in neural circuitry will eventually lead to more effective new treatment options that bypass the side effects of the currently used therapeutics in RLS, especially for long-term therapy.
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Affiliation(s)
- Alessandro Silvani
- Department of Biomedical and Neuromotor Sciences, Alma Mater Studiorum - University of Bologna, Ravenna Campus, Ravenna, Italy
| | - Imad Ghorayeb
- Département de Neurophysiologie Clinique, Pôle Neurosciences Cliniques, CHU de Bordeaux, Bordeaux, France
- Institut de Neurosciences Cognitives et Intégratives d'Aquitaine, UMR 5287, Université de Bordeaux, Bordeaux, France
- Institut de Neurosciences Cognitives et Intégratives d'Aquitaine, UMR 5287, CNRS, Bordeaux, France
| | - Mauro Manconi
- Sleep Medicine Unit, Neurocenter of Southern Switzerland, EOC, Ospedale Civico, Lugano, Switzerland
- Department of Neurology, University Hospital, Inselspital, Bern, Switzerland
- Faculty of Biomedical Sciences, Università della Svizzera Italiana, Lugano, Switzerland
| | - Yuqing Li
- Department of Neurology, College of Medicine, Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
| | - Stefan Clemens
- Department of Physiology, Brody School of Medicine, East Carolina University, Greenville, NC, USA.
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2
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Cathiard L, Fraulob V, Lam DD, Torres M, Winkelmann J, Krężel W. Investigation of dopaminergic signalling in Meis homeobox 1 (Meis1) deficient mice as an animal model of restless legs syndrome. J Sleep Res 2021; 30:e13311. [PMID: 34008292 DOI: 10.1111/jsr.13311] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Revised: 01/28/2021] [Accepted: 01/28/2021] [Indexed: 12/24/2022]
Abstract
Restless legs syndrome (RLS) is a common neurological disorder in which sensorimotor symptoms lead to sleep disturbances with substantial impact on life quality. RLS is caused by a combination of genetic and environmental factors, and Meis homeobox 1 (MEIS1) was identified as the main genetic risk factor. The efficacy of dopaminergic agonists, including dopamine D2 receptor (DRD2) agonists, for treating RLS led to the hypothesis of dopaminergic impairment. However, it remains unclear whether it is directly involved in the disease aetiology and what the role of MEIS1 is considering its developmental and postnatal expression in the striatum, a critical structure in motor control. We addressed the role of MEIS1 in striatal dopaminergic signalling in Meis1+/- mice, a valid animal model of RLS, and in Meis1Drd2 -/- mice carrying a somatic null mutation of Meis1 in Drd2+ neurones. Motor behaviours, pharmacological exploration of DRD2 signalling, and quantitative analyses of DRD2+ and DRD1+ expressing neurones were investigated. Although Meis1+/- mice displayed an RLS-like phenotype, including motor hyperactivity at the beginning of the rest phase, no reduction of dopaminoceptive neurones was observed in the striatum. Moreover, the null mutation of Meis1 in DRD2+ cells did not lead to RLS-like symptoms and dysfunction of the DRD2 pathway. These data indicate that MEIS1 does not modulate DRD2-dependent signalling in a cell-autonomous manner. Thus, the efficiency of D2 -like agonists may reflect the involvement of other dopaminergic receptors or normalisation of motor circuit abnormalities downstream from defects caused by MEIS1 dysfunction.
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Affiliation(s)
- Lucile Cathiard
- Institute of Genetics and Molecular and Cellular Biology, CNRS UMR7104, INSERM U1258, University of Strasbourg, Illkirch, France
| | - Valerie Fraulob
- Institute of Genetics and Molecular and Cellular Biology, CNRS UMR7104, INSERM U1258, University of Strasbourg, Illkirch, France
| | - Daniel D Lam
- Institute for Human Genetic, Klinikum rechts der Isar, Technische Universität München, Munich, Germany
| | - Miguel Torres
- Cardiovascular Development Program, Centro Nacional de Investigaciones Cardiovasculares, CNIC, Madrid, Spain
| | - Juliane Winkelmann
- Institute for Human Genetic, Klinikum rechts der Isar, Technische Universität München, Munich, Germany.,Chair for Neucgenetic, Klinikum rechts der Isar, Technische Universität München; Institute for Neurogenomics, Helmholtz Zentrum München; Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Wojciech Krężel
- Institute of Genetics and Molecular and Cellular Biology, CNRS UMR7104, INSERM U1258, University of Strasbourg, Illkirch, France
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3
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de Wit L, Fang J, Neef K, Xiao J, A. Doevendans P, Schiffelers RM, Lei Z, Sluijter JP. Cellular and Molecular Mechanism of Cardiac Regeneration: A Comparison of Newts, Zebrafish, and Mammals. Biomolecules 2020; 10:biom10091204. [PMID: 32825069 PMCID: PMC7564143 DOI: 10.3390/biom10091204] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 08/06/2020] [Accepted: 08/17/2020] [Indexed: 12/13/2022] Open
Abstract
Cardiovascular disease is the leading cause of death worldwide. Current palliative treatments can slow the progression of heart failure, but ultimately, the only curative treatment for end-stage heart failure is heart transplantation, which is only available for a minority of patients due to lack of donors' hearts. Explorative research has shown the replacement of the damaged and lost myocardium by inducing cardiac regeneration from preexisting myocardial cells. Lower vertebrates, such as the newt and zebrafish, can regenerate lost myocardium through cardiomyocyte proliferation. The preexisting adult cardiomyocytes replace the lost cells through subsequent dedifferentiation, proliferation, migration, and re-differentiation. Similarly, neonatal mice show complete cardiac regeneration post-injury; however, this regenerative capacity is remarkably diminished one week after birth. In contrast, the adult mammalian heart presents a fibrotic rather than a regenerative response and only shows signs of partial pathological cardiomyocyte dedifferentiation after injury. In this review, we explore the cellular and molecular responses to myocardial insults in different adult species to give insights for future interventional directions by which one can promote or activate cardiac regeneration in mammals.
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Affiliation(s)
- Lousanne de Wit
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
| | - Juntao Fang
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
| | - Klaus Neef
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
- UMC Utrecht RM Center, Circulatory Health Laboratory, 3584CT Utrecht, The Netherlands
| | - Junjie Xiao
- Institute of Cardiovascular Sciences, Shanghai University, Shanghai 200444, China;
| | - Pieter A. Doevendans
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
- Utrecht University, 3584CS Utrecht, The Netherlands
- Netherlands Heart Institute (NHI), Central Military Hospital (CMH), 3511EP Utrecht, The Netherlands
| | | | - Zhiyong Lei
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
- Division LAB, CDL Research, UMC Utrecht, 3584CX Utrecht, The Netherlands;
- Correspondence: (Z.L.); (J.P.G.S.)
| | - Joost P.G. Sluijter
- Department of Cardiology, Experimental Cardiology Laboratory, UMC Utrecht, 3584CX Utrecht, The Netherlands; (L.d.W.); (J.F.); (K.N.); (P.A.D.)
- UMC Utrecht RM Center, Circulatory Health Laboratory, 3584CT Utrecht, The Netherlands
- Utrecht University, 3584CS Utrecht, The Netherlands
- Correspondence: (Z.L.); (J.P.G.S.)
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4
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Delgado I, López-Delgado AC, Roselló-Díez A, Giovinazzo G, Cadenas V, Fernández-de-Manuel L, Sánchez-Cabo F, Anderson MJ, Lewandoski M, Torres M. Proximo-distal positional information encoded by an Fgf-regulated gradient of homeodomain transcription factors in the vertebrate limb. SCIENCE ADVANCES 2020; 6:eaaz0742. [PMID: 32537491 PMCID: PMC7269661 DOI: 10.1126/sciadv.aaz0742] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 03/10/2020] [Indexed: 05/16/2023]
Abstract
The positional information theory proposes that a coordinate system provides information to embryonic cells about their position and orientation along a patterning axis. Cells interpret this information to produce the appropriate pattern. During development, morphogens and interpreter transcription factors provide this information. We report a gradient of Meis homeodomain transcription factors along the mouse limb bud proximo-distal (PD) axis antiparallel to and shaped by the inhibitory action of distal fibroblast growth factor (FGF). Elimination of Meis results in premature limb distalization and HoxA expression, proximalization of PD segmental borders, and phocomelia. Our results show that Meis transcription factors interpret FGF signaling to convey positional information along the limb bud PD axis. These findings establish a new model for the generation of PD identities in the vertebrate limb and provide a molecular basis for the interpretation of FGF signal gradients during axial patterning.
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Affiliation(s)
- Irene Delgado
- Cardiovascular Development Program, Centro Nacional de Investigaciones Cardiovasculares, CNIC, Madrid, Spain
| | - Alejandra C. López-Delgado
- Cardiovascular Development Program, Centro Nacional de Investigaciones Cardiovasculares, CNIC, Madrid, Spain
| | - Alberto Roselló-Díez
- Cardiovascular Development Program, Centro Nacional de Investigaciones Cardiovasculares, CNIC, Madrid, Spain
| | - Giovanna Giovinazzo
- Pluripotent Cell Technology Unit, Centro Nacional de Investigaciones Cardiovasculares, CNIC, Madrid, Spain
| | - Vanessa Cadenas
- Cardiovascular Development Program, Centro Nacional de Investigaciones Cardiovasculares, CNIC, Madrid, Spain
| | | | - Fátima Sánchez-Cabo
- Bioinformatics Unit, Centro Nacional de Investigaciones Cardiovasculares, CNIC, Madrid, Spain
| | - Matthew J. Anderson
- Cancer and Developmental Biology Laboratory, National Cancer Institute, Frederick, MD 21702, USA
| | - Mark Lewandoski
- Cancer and Developmental Biology Laboratory, National Cancer Institute, Frederick, MD 21702, USA
| | - Miguel Torres
- Cardiovascular Development Program, Centro Nacional de Investigaciones Cardiovasculares, CNIC, Madrid, Spain
- Corresponding author.
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5
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Holowiecki A, Linstrum K, Ravisankar P, Chetal K, Salomonis N, Waxman JS. Pbx4 limits heart size and fosters arch artery formation by partitioning second heart field progenitors and restricting proliferation. Development 2020; 147:dev185652. [PMID: 32094112 PMCID: PMC7063670 DOI: 10.1242/dev.185652] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 02/06/2020] [Indexed: 12/11/2022]
Abstract
Vertebrate heart development requires the integration of temporally distinct differentiating progenitors. However, few signals are understood that restrict the size of the later-differentiating outflow tract (OFT). We show that improper specification and proliferation of second heart field (SHF) progenitors in zebrafish lazarus (lzr) mutants, which lack the transcription factor Pbx4, produces enlarged hearts owing to an increase in ventricular and smooth muscle cells. Specifically, Pbx4 initially promotes the partitioning of the SHF into anterior progenitors, which contribute to the OFT, and adjacent endothelial cell progenitors, which contribute to posterior pharyngeal arches. Subsequently, Pbx4 limits SHF progenitor (SHFP) proliferation. Single cell RNA sequencing of nkx2.5+ cells revealed previously unappreciated distinct differentiation states and progenitor subpopulations that normally reside within the SHF and arterial pole of the heart. Specifically, the transcriptional profiles of Pbx4-deficient nkx2.5+ SHFPs are less distinct and display characteristics of normally discrete proliferative progenitor and anterior, differentiated cardiomyocyte populations. Therefore, our data indicate that the generation of proper OFT size and arch arteries requires Pbx-dependent stratification of unique differentiation states to facilitate both homeotic-like transformations and limit progenitor production within the SHF.
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Affiliation(s)
- Andrew Holowiecki
- Molecular Cardiovascular Biology Division and Heart Institute, Cincinnati Children's Research Foundation, Cincinnati, OH 45229, USA
| | - Kelsey Linstrum
- Molecular Cardiovascular Biology Division and Heart Institute, Cincinnati Children's Research Foundation, Cincinnati, OH 45229, USA
- Molecular Genetics Graduate Program, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Padmapriyadarshini Ravisankar
- Molecular Cardiovascular Biology Division and Heart Institute, Cincinnati Children's Research Foundation, Cincinnati, OH 45229, USA
| | - Kashish Chetal
- Bioinformatics Division, Cincinnati Children's Research Foundation, Cincinnati, OH 45229, USA
| | - Nathan Salomonis
- Bioinformatics Division, Cincinnati Children's Research Foundation, Cincinnati, OH 45229, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Joshua S Waxman
- Molecular Cardiovascular Biology Division and Heart Institute, Cincinnati Children's Research Foundation, Cincinnati, OH 45229, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
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6
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Paul S, Zhang X, He JQ. Homeobox gene Meis1 modulates cardiovascular regeneration. Semin Cell Dev Biol 2019; 100:52-61. [PMID: 31623926 DOI: 10.1016/j.semcdb.2019.10.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 09/30/2019] [Accepted: 10/04/2019] [Indexed: 12/20/2022]
Abstract
Regeneration of cardiomyocytes, endothelial cells and vascular smooth muscle cells (three major lineages of cardiac tissues) following myocardial infarction is the critical step to recover the function of the damaged heart. Myeloid ecotropic viral integration site 1 (Meis1) was first discovered in leukemic mice in 1995 and its biological function has been extensively studied in leukemia, hematopoiesis, the embryonic pattering of body axis, eye development and various genetic diseases, such as restless leg syndrome. It was found that Meis1 is highly associated with Hox genes and their cofactors to exert its regulatory effects on multiple intracellular signaling pathways. Recently with the advent of bioinformatics, biochemical methods and advanced genetic engineering tools, new function of Meis1 has been found to be involved in the cell cycle regulation of cardiomyocytes and endothelial cells. For example, inhibition of Meis1 expression increases the proliferative capacity of neonatal mouse cardiomyocytes, whereas overexpression of Meis1 results in the reduction in the length of cardiomyocyte proliferative window. Interestingly, downregulation of one of the circular RNAs, which acts downstream of Meis1 in the cardiomyocytes, promotes angiogenesis and restores the myocardial blood supply, thus reinforcing better regeneration of the damaged heart. It appears that Meis1 may play double roles in modulating proliferation and regeneration of cardiomyocytes and endothelial cells post-myocardial infarction. In this review, we propose to summarize the major findings of Meis1 in modulating fetal development and adult abnormalities, especially focusing on the recent discoveries of Meis1 in controlling the fate of cardiomyocytes and endothelial cells.
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Affiliation(s)
- Swagatika Paul
- Department of Biomedical Sciences & Pathobiology, College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24061, USA
| | - Xiaonan Zhang
- Beijing Yulong Shengshi Biotechnology, Haidian District, Beijing, 100085, China
| | - Jia-Qiang He
- Department of Biomedical Sciences & Pathobiology, College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24061, USA.
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7
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Tarazona OA, Lopez DH, Slota LA, Cohn MJ. Evolution of limb development in cephalopod mollusks. eLife 2019; 8:43828. [PMID: 31210127 PMCID: PMC6581508 DOI: 10.7554/elife.43828] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 05/08/2019] [Indexed: 11/13/2022] Open
Abstract
Cephalopod mollusks evolved numerous anatomical novelties, including arms and tentacles, but little is known about the developmental mechanisms underlying cephalopod limb evolution. Here we show that all three axes of cuttlefish limbs are patterned by the same signaling networks that act in vertebrates and arthropods, although they evolved limbs independently. In cuttlefish limb buds, Hedgehog is expressed anteriorly. Posterior transplantation of Hedgehog-expressing cells induced mirror-image limb duplications. Bmp and Wnt signals, which establish dorsoventral polarity in vertebrate and arthropod limbs, are similarly polarized in cuttlefish. Inhibition of Bmp2/4 dorsally caused ectopic expression of Notum, which marks the ventral sucker field, and ectopic sucker development. Cuttlefish also show proximodistal regionalization of Hth, Exd, Dll, Dac, Sp8/9, and Wnt expression, which delineates arm and tentacle sucker fields. These results suggest that cephalopod limbs evolved by parallel activation of a genetic program for appendage development that was present in the bilaterian common ancestor.
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Affiliation(s)
- Oscar A Tarazona
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, United States.,Department of Biology, UF Genetics Institute, University of Florida, Gainesville, United States
| | - Davys H Lopez
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, United States
| | - Leslie A Slota
- Department of Biology, UF Genetics Institute, University of Florida, Gainesville, United States
| | - Martin J Cohn
- Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, United States.,Department of Biology, UF Genetics Institute, University of Florida, Gainesville, United States
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8
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Sanz-Navarro M, Delgado I, Torres M, Mustonen T, Michon F, Rice DP. Dental Epithelial Stem Cells Express the Developmental Regulator Meis1. Front Physiol 2019; 10:249. [PMID: 30914971 PMCID: PMC6423187 DOI: 10.3389/fphys.2019.00249] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 02/25/2019] [Indexed: 11/13/2022] Open
Abstract
MEIS1 is a key developmental regulator of several organs and participates in stem cell maintenance in different niches. However, despite the murine continuously growing incisor being a well described model for the study of adult stem cells, Meis1 has not been investigated in a dental context. Here, we uncover that Meis1 expression in the tooth is confined to the epithelial compartment. Its expression arises during morphogenesis and becomes restricted to the mouse incisor epithelial stem cell niche, the labial cervical loop. Meis1 is specifically expressed by Sox2+ stem cells, which give rise to all dental epithelial cell lineages. Also, we have found that Meis1 in the incisor is coexpressed with potential binding partner Pbx1 during both embryonic and adult stages. Interestingly, Meis2 is present in different areas of the forming tooth and it is not expressed by dental epithelial stem cells, suggesting different roles for these two largely homologous genes. Additionally, we have established the expression patterns of Meis1 and Meis2 during tongue, hair, salivary gland and palate formation. Finally, analysis of Meis1-null allele mice indicated that, similarly, to SOX2, MEIS1 is not essential for tooth initiation, but might have a role during adult incisor renewal.
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Affiliation(s)
- Maria Sanz-Navarro
- Helsinki Institute of Life Science, Institute of Biotechnology, University of Helsinki, Helsinki, Finland.,Orthodontics, Department of Oral and Maxillofacial Diseases, University of Helsinki, Helsinki, Finland
| | - Irene Delgado
- Departamento de Desarrollo y Reparación Cardiovascular, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Miguel Torres
- Departamento de Desarrollo y Reparación Cardiovascular, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Tuija Mustonen
- Orthodontics, Department of Oral and Maxillofacial Diseases, University of Helsinki, Helsinki, Finland
| | - Frederic Michon
- Helsinki Institute of Life Science, Institute of Biotechnology, University of Helsinki, Helsinki, Finland.,The Institute for Neurosciences of Montpellier, Inserm UMR1051, University of Montpellier, Saint Eloi Hospital, Montpellier, France
| | - David P Rice
- Orthodontics, Department of Oral and Maxillofacial Diseases, University of Helsinki, Helsinki, Finland.,Orthodontics, Oral and Maxillofacial Diseases, Helsinki University Hospital, Helsinki, Finland
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9
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Chang-Panesso M, Kadyrov FF, Machado FG, Kumar A, Humphreys BD. Meis1 is specifically upregulated in kidney myofibroblasts during aging and injury but is not required for kidney homeostasis or fibrotic response. Am J Physiol Renal Physiol 2018; 315:F275-F290. [PMID: 29592525 DOI: 10.1152/ajprenal.00030.2018] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The homeobox transcription factor Meis1 is required for mammalian development, and its overexpression plays a role in tumorigenesis, especially leukemia. Meis1 is known to be expressed in kidney stroma, but its function in kidney is undefined. We hypothesized that Meis1 may regulate stromal cell proliferation in kidney development and disease and tested the hypothesis using cell lineage tracing and cell-specific Meis1 deletion in development, aging, and fibrotic disease. We observed strong expression of Meis1 in platelet-derived growth factor receptor-β-positive pericytes and perivascular fibroblasts, both in adult mouse kidney and to a lesser degree in human kidney. Either bilateral ischemia-reperfusion injury or aging itself led to strong upregulation of Meis1 protein and mRNA in kidney myofibroblasts, and genetic lineage analysis confirmed that Meis1-positive cells proliferate as they differentiate into myofibroblasts after injury. Conditional deletion of Meis1 in all kidney stroma with two separate tamoxifen-inducible Cre recombinase drivers had no phenotype with the exception of consistent induction of the tubular injury marker kidney injury molecule-1 (Kim-1) only in Meis1 mutants. Further examination of Kim-1 expression revealed linkage disequilibrium of Kim-1 and Meis1, such that Meis1 mutants carried the longer BALB/c Kim-1 allele. Unexpectedly, we report that this Kim-1 allele is expressed at baseline in wild-type BALB/c mice, without any associated abnormalities, including long-term fibrosis, as predicted from the literature. We conclude that Meis1 is specifically expressed in stroma and myofibroblasts of mouse and human kidney, that it is not required for kidney development, disease, or aging, and that BALB/c mice unexpectedly express Kim-1 protein at baseline without other kidney abnormality.
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Affiliation(s)
- Monica Chang-Panesso
- Division of Nephrology, Department of Medicine, Washington University in St. Louis School of Medicine , St. Louis, Missouri
| | - Farid F Kadyrov
- Division of Nephrology, Department of Medicine, Washington University in St. Louis School of Medicine , St. Louis, Missouri
| | - Flavia G Machado
- Division of Nephrology, Department of Medicine, Washington University in St. Louis School of Medicine , St. Louis, Missouri
| | - Ashish Kumar
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, and the Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Benjamin D Humphreys
- Division of Nephrology, Department of Medicine, Washington University in St. Louis School of Medicine , St. Louis, Missouri
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10
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Tulenko FJ, Massey JL, Holmquist E, Kigundu G, Thomas S, Smith SME, Mazan S, Davis MC. Fin-fold development in paddlefish and catshark and implications for the evolution of the autopod. Proc Biol Sci 2018; 284:rspb.2016.2780. [PMID: 28539509 DOI: 10.1098/rspb.2016.2780] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Accepted: 04/24/2017] [Indexed: 01/04/2023] Open
Abstract
The evolutionary origin of the autopod involved a loss of the fin-fold and associated dermal skeleton with a concomitant elaboration of the distal endoskeleton to form a wrist and digits. Developmental studies, primarily from teleosts and amniotes, suggest a model for appendage evolution in which a delay in the AER-to-fin-fold conversion fuelled endoskeletal expansion by prolonging the function of AER-mediated regulatory networks. Here, we characterize aspects of paired fin development in the paddlefish Polyodon spathula (a non-teleost actinopterygian) and catshark Scyliorhinus canicula (chondrichthyan) to explore aspects of this model in a broader phylogenetic context. Our data demonstrate that in basal gnathostomes, the autopod marker HoxA13 co-localizes with the dermoskeleton component And1 to mark the position of the fin-fold, supporting recent work demonstrating a role for HoxA13 in zebrafish fin ray development. Additionally, we show that in paddlefish, the proximal fin and fin-fold mesenchyme share a common mesodermal origin, and that components of the Shh/LIM/Gremlin/Fgf transcriptional network critical to limb bud outgrowth and patterning are expressed in the fin-fold with a profile similar to that of tetrapods. Together these data draw contrast with hypotheses of AER heterochrony and suggest that limb-specific morphologies arose through evolutionary changes in the differentiation outcome of conserved early distal patterning compartments.
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Affiliation(s)
- Frank J Tulenko
- Department of Molecular and Cellular Biology, Kennesaw State University, GA 30144, USA.,Australian Regenerative Medicine Institute, Monash University, Victoria, 3800, Australia
| | - James L Massey
- Department of Ecology and Evolutionary Biology, University of Colorado Boulder, CO 80309, USA
| | - Elishka Holmquist
- Department of Molecular and Cellular Biology, Kennesaw State University, GA 30144, USA
| | - Gabriel Kigundu
- Department of Molecular and Cellular Biology, Kennesaw State University, GA 30144, USA
| | - Sarah Thomas
- Department of Molecular and Cellular Biology, Kennesaw State University, GA 30144, USA
| | - Susan M E Smith
- Department of Molecular and Cellular Biology, Kennesaw State University, GA 30144, USA
| | - Sylvie Mazan
- CNRS, Sorbonne Universités, UPMC Univ Paris 06, UMR7232, Observatoire Océanologique, F-66650 Banyuls-sur-Mer, France
| | - Marcus C Davis
- Department of Molecular and Cellular Biology, Kennesaw State University, GA 30144, USA
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11
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Wang H, Liu C, Liu X, Wang M, Wu D, Gao J, Su P, Nakahata T, Zhou W, Xu Y, Shi L, Ma F, Zhou J. MEIS1 Regulates Hemogenic Endothelial Generation, Megakaryopoiesis, and Thrombopoiesis in Human Pluripotent Stem Cells by Targeting TAL1 and FLI1. Stem Cell Reports 2018; 10:447-460. [PMID: 29358086 PMCID: PMC5830947 DOI: 10.1016/j.stemcr.2017.12.017] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 12/19/2017] [Accepted: 12/20/2017] [Indexed: 01/11/2023] Open
Abstract
Human pluripotent stem cells (hPSCs) provide an unlimited source for generating various kinds of functional blood cells. However, efficient strategies for generating large-scale functional blood cells from hPSCs are still lacking, and the mechanism underlying human hematopoiesis remains largely unknown. In this study, we identified myeloid ectopic viral integration site 1 homolog (MEIS1) as a crucial regulator of hPSC early hematopoietic differentiation. MEIS1 is vital for specification of APLNR+ mesoderm progenitors to functional hemogenic endothelial progenitors (HEPs), thereby controlling formation of hematopoietic progenitor cells (HPCs). TAL1 mediates the function of MEIS1 in HEP specification. In addition, MEIS1 is vital for megakaryopoiesis and thrombopoiesis from hPSCs. Mechanistically, FLI1 acts as a downstream gene necessary for the function of MEIS1 during megakaryopoiesis. Thus, MEIS1 controls human hematopoiesis in a stage-specific manner and can be potentially manipulated for large-scale generation of HPCs or platelets from hPSCs for therapeutic applications in regenerative medicine. MEIS1 knockout impairs hematopoiesis of hPSCs by suppressing HEP specification MEIS1−/− megakaryocytes fail to undergo polyploidization and thrombopoiesis TAL1 mediates the function of MEIS1 in HEP specification FLI1 acts as a downstream target of MEIS1 during megakaryopoiesis and thrombopoiesis
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Affiliation(s)
- Hongtao Wang
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences & Department of Stem Cells and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China
| | - Cuicui Liu
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences & Department of Stem Cells and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China
| | - Xin Liu
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences & Department of Stem Cells and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China
| | - Mengge Wang
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences & Department of Stem Cells and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China
| | - Dan Wu
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences & Department of Stem Cells and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China
| | - Jie Gao
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences & Department of Stem Cells and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China
| | - Pei Su
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences & Department of Stem Cells and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China
| | - Tatsutoshi Nakahata
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto 606-8507, Japan
| | - Wen Zhou
- School of Basic Medical Science and Cancer Research Institute, Central South University, Changsha 410013, China
| | - Yuanfu Xu
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences & Department of Stem Cells and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China
| | - Lihong Shi
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences & Department of Stem Cells and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China
| | - Feng Ma
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Tianjin 300020, China; Institute of Blood Transfusion, Chinese Academy of Medical Sciences & Peking Union Medical College, Chengdu 610052, China.
| | - Jiaxi Zhou
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Tianjin 300020, China; Center for Stem Cell Medicine, Chinese Academy of Medical Sciences & Department of Stem Cells and Regenerative Medicine, Peking Union Medical College, Tianjin 300020, China.
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Slavotinek A, Risolino M, Losa M, Cho MT, Monaghan KG, Schneidman-Duhovny D, Parisotto S, Herkert JC, Stegmann APA, Miller K, Shur N, Chui J, Muller E, DeBrosse S, Szot JO, Chapman G, Pachter NS, Winlaw DS, Mendelsohn BA, Dalton J, Sarafoglou K, Karachunski PI, Lewis JM, Pedro H, Dunwoodie SL, Selleri L, Shieh J. De novo, deleterious sequence variants that alter the transcriptional activity of the homeoprotein PBX1 are associated with intellectual disability and pleiotropic developmental defects. Hum Mol Genet 2017; 26:4849-4860. [PMID: 29036646 PMCID: PMC6455034 DOI: 10.1093/hmg/ddx363] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 08/25/2017] [Accepted: 09/15/2017] [Indexed: 12/30/2022] Open
Abstract
We present eight patients with de novo, deleterious sequence variants in the PBX1 gene. PBX1 encodes a three amino acid loop extension (TALE) homeodomain transcription factor that forms multimeric complexes with TALE and HOX proteins to regulate target gene transcription during development. As previously reported, Pbx1 homozygous mutant mice (Pbx1-/-) develop malformations and hypoplasia or aplasia of multiple organs, including the craniofacial skeleton, ear, branchial arches, heart, lungs, diaphragm, gut, kidneys, and gonads. Clinical findings similar to those in Pbx mutant mice were observed in all patients with varying expressivity and severity, including external ear anomalies, abnormal branchial arch derivatives, heart malformations, diaphragmatic hernia, renal hypoplasia and ambiguous genitalia. All patients but one had developmental delays. Previously reported patients with congenital anomalies affecting the kidney and urinary tract exhibited deletions and loss of function variants in PBX1. The sequence variants in our cases included missense substitutions adjacent to the PBX1 homeodomain (p.Arg184Pro, p.Met224Lys, and p.Arg227Pro) or within the homeodomain (p.Arg234Pro, and p.Arg235Gln), whereas p.Ser262Glnfs*2, and p.Arg288* yielded truncated PBX1 proteins. Functional studies on five PBX1 sequence variants revealed perturbation of intrinsic, PBX-dependent transactivation ability and altered nuclear translocation, suggesting abnormal interactions between mutant PBX1 proteins and wild-type TALE or HOX cofactors. It is likely that the mutations directly affect the transcription of PBX1 target genes to impact embryonic development. We conclude that deleterious sequence variants in PBX1 cause intellectual disability and pleiotropic malformations resembling those in Pbx1 mutant mice, arguing for strong conservation of gene function between these two species.
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Affiliation(s)
- Anne Slavotinek
- Division of Medical Genetics, Department of Pediatrics, University of California San Francisco, San Francisco, CA, USA
- Institute of Human Genetics, University of California San Francisco, San Francisco, CA, USA
| | - Maurizio Risolino
- Institute of Human Genetics, University of California San Francisco, San Francisco, CA, USA
- Program in Craniofacial Biology, Departments of Orofacial Sciences and Anatomy, University of California San Francisco, San Francisco, CA, USA
| | - Marta Losa
- Institute of Human Genetics, University of California San Francisco, San Francisco, CA, USA
- Program in Craniofacial Biology, Departments of Orofacial Sciences and Anatomy, University of California San Francisco, San Francisco, CA, USA
| | | | | | - Dina Schneidman-Duhovny
- School of Computer Science and Engineering, The Hebrew University of Jerusalem, Jerusalem, Israel
- Department of Biochemistry, Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
| | - Sarah Parisotto
- Division of Genetics, Department of Pediatrics, Hackensack University Medical Center, Hackensack, NJ, USA
| | - Johanna C Herkert
- Department of Genetics, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Alexander P A Stegmann
- Department of Clinical Genetics, Maastricht University Medical Center, Maastricht, The Netherlands
- Department of Genetics, Radboud University Medical Center (RUMC), Nijmegen, The Netherlands
| | - Kathryn Miller
- Department of Pediatrics, Albany Medical Center, Albany, NY, USA
| | - Natasha Shur
- Department of Pediatrics, Albany Medical Center, Albany, NY, USA
| | - Jacqueline Chui
- Clinical Genetics, Stanford Children’s Health at CPMC, San Francisco, CA, USA
| | - Eric Muller
- Clinical Genetics, Stanford Children’s Health at CPMC, San Francisco, CA, USA
| | - Suzanne DeBrosse
- Center for Human Genetics, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Justin O Szot
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Sydney, NSW, Australia
- University of New South Wales, Sydney, NSW, Australia
| | - Gavin Chapman
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Sydney, NSW, Australia
- University of New South Wales, Sydney, NSW, Australia
| | - Nicholas S Pachter
- Genetic Services of Western Australia, King Edward Memorial Hospital, Perth, WA, Australia
- School of Paediatrics and Child Health, University of Western Australia, Perth, WA, Australia
| | - David S Winlaw
- University of Sydney, Medical School, Sydney, NSW, Australia
- Heart Centre for Children, Children's Hospital at Westmead, Sydney, NSW, Australia
| | - Bryce A Mendelsohn
- Division of Medical Genetics, Department of Pediatrics, University of California San Francisco, San Francisco, CA, USA
- Institute of Human Genetics, University of California San Francisco, San Francisco, CA, USA
| | - Joline Dalton
- Paul and Shelia Wellstone Muscular Dystrophy Center, University of Minnesota, Minneapolis, MN, USA
| | - Kyriakie Sarafoglou
- Department of Pediatrics, University of Minnesota Masonic Children's Hospital, Minneapolis, MN, USA
| | | | - Jane M Lewis
- Department of Urology, University of Minnesota Masonic Children's Hospital, Minneapolis, MN, USA
| | - Helio Pedro
- Division of Genetics, Department of Pediatrics, Hackensack University Medical Center, Hackensack, NJ, USA
| | - Sally L Dunwoodie
- Developmental and Stem Cell Biology Division, Victor Chang Cardiac Research Institute, Sydney, NSW, Australia
- University of New South Wales, Sydney, NSW, Australia
| | - Licia Selleri
- Institute of Human Genetics, University of California San Francisco, San Francisco, CA, USA
- Program in Craniofacial Biology, Departments of Orofacial Sciences and Anatomy, University of California San Francisco, San Francisco, CA, USA
| | - Joseph Shieh
- Division of Medical Genetics, Department of Pediatrics, University of California San Francisco, San Francisco, CA, USA
- Institute of Human Genetics, University of California San Francisco, San Francisco, CA, USA
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A knock-in mouse strain facilitates dynamic tracking and enrichment of MEIS1. Blood Adv 2017; 1:2225-2235. [PMID: 29296870 DOI: 10.1182/bloodadvances.2017010355] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 10/10/2017] [Indexed: 12/13/2022] Open
Abstract
Myeloid ecotropic viral integration site 1 (MEIS1), a HOX transcription cofactor, is a critical regulator of normal hematopoiesis, and its overexpression is implicated in a wide range of leukemias. Using the clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein-9 (Cas9) gene-editing system, we generated a knock-in transgenic mouse line in which a green fluorescent protein (GFP) reporter and a hemagglutinin (HA) epitope tag are inserted near the translational start site of endogenous Meis1. This novel reporter strain readily enables tracking of MEIS1 expression at single-cell-level resolution via the fluorescence reporter GFP, and facilitates MEIS1 detection and purification via the HA epitope tag. This new Meis1 reporter mouse line provides powerful new approaches to track Meis1-expressing hematopoietic cells and to explore Meis1 function and regulation during normal and leukemic hematopoiesis.
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14
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von Burstin J, Bachhuber F, Paul M, Schmid RM, Rustgi AK. The TALE homeodomain transcription factor MEIS1 activates the pro-metastatic melanoma cell adhesion moleculeMcamto promote migration of pancreatic cancer cells. Mol Carcinog 2016; 56:936-944. [DOI: 10.1002/mc.22547] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2016] [Revised: 07/12/2016] [Accepted: 08/29/2016] [Indexed: 01/31/2023]
Affiliation(s)
- Johannes von Burstin
- Division of Gastroenterology, Departments of Medicine and Genetics, Abramson Cancer Center; University of Pennsylvania; Philadelphia Pennsylvania
- I. Medizinische Klinik; Technische Universität München; Munich Germany
- II. Medizinische Klinik; Technische Universität München; Munich Germany
| | | | - Mariel Paul
- II. Medizinische Klinik; Technische Universität München; Munich Germany
| | - Roland M. Schmid
- II. Medizinische Klinik; Technische Universität München; Munich Germany
| | - Anil K. Rustgi
- Division of Gastroenterology, Departments of Medicine and Genetics, Abramson Cancer Center; University of Pennsylvania; Philadelphia Pennsylvania
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15
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Hox Genes in Cardiovascular Development and Diseases. J Dev Biol 2016; 4:jdb4020014. [PMID: 29615581 PMCID: PMC5831787 DOI: 10.3390/jdb4020014] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 03/16/2016] [Accepted: 03/23/2016] [Indexed: 11/23/2022] Open
Abstract
Congenital heart defects (CHD) are the leading cause of death in the first year of life. Over the past 20 years, much effort has been focused on unraveling the genetic bases of CHD. In particular, studies in human genetics coupled with those of model organisms have provided valuable insights into the gene regulatory networks underlying CHD pathogenesis. Hox genes encode transcription factors that are required for the patterning of the anterior–posterior axis in the embryo. In this review, we focus on the emerging role of anteriorly expressed Hox genes (Hoxa1, Hoxb1, and Hoxa3) in cardiac development, specifically their contribution to patterning of cardiac progenitor cells and formation of the great arteries. Recent evidence regarding the cooperative regulation of heart development by Hox proteins with members of the TALE-class of homeodomain proteins such as Pbx and Meis transcription factors is also discussed. These findings are highly relevant to human pathologies as they pinpoint new genes that increase susceptibility to cardiac anomalies and provide novel mechanistic insights into CHD.
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