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Chea S, Kreger J, Lopez-Burks ME, MacLean AL, Lander AD, Calof AL. Gastrulation-stage gene expression in Nipbl+/- mouse embryos foreshadows the development of syndromic birth defects. SCIENCE ADVANCES 2024; 10:eadl4239. [PMID: 38507484 PMCID: PMC10954218 DOI: 10.1126/sciadv.adl4239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 02/15/2024] [Indexed: 03/22/2024]
Abstract
In animal models, Nipbl deficiency phenocopies gene expression changes and birth defects seen in Cornelia de Lange syndrome, the most common cause of which is Nipbl haploinsufficiency. Previous studies in Nipbl+/- mice suggested that heart development is abnormal as soon as cardiogenic tissue is formed. To investigate this, we performed single-cell RNA sequencing on wild-type and Nipbl+/- mouse embryos at gastrulation and early cardiac crescent stages. Nipbl+/- embryos had fewer mesoderm cells than wild-type and altered proportions of mesodermal cell subpopulations. These findings were associated with underexpression of genes implicated in driving specific mesodermal lineages. In addition, Nanog was found to be overexpressed in all germ layers, and many gene expression changes observed in Nipbl+/- embryos could be attributed to Nanog overexpression. These findings establish a link between Nipbl deficiency, Nanog overexpression, and gene expression dysregulation/lineage misallocation, which ultimately manifest as birth defects in Nipbl+/- animals and Cornelia de Lange syndrome.
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Affiliation(s)
- Stephenson Chea
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
- Center for Complex Biological Systems, University of California Irvine, Irvine, CA 92697, USA
| | - Jesse Kreger
- Department of Quantitative and Computational Biology, Dornsife College of Letters, Arts, and Sciences, University of Southern California, Los Angeles, CA 90089, USA
| | - Martha E. Lopez-Burks
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
- Center for Complex Biological Systems, University of California Irvine, Irvine, CA 92697, USA
| | - Adam L. MacLean
- Department of Quantitative and Computational Biology, Dornsife College of Letters, Arts, and Sciences, University of Southern California, Los Angeles, CA 90089, USA
| | - Arthur D. Lander
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
- Center for Complex Biological Systems, University of California Irvine, Irvine, CA 92697, USA
| | - Anne L. Calof
- Department of Developmental and Cell Biology, School of Biological Sciences, University of California Irvine, Irvine, CA 92697, USA
- Center for Complex Biological Systems, University of California Irvine, Irvine, CA 92697, USA
- Department of Anatomy and Neurobiology, School of Medicine, University of California Irvine, Irvine, CA 92697, USA
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He Y, Guo J, Yu Y, Jin J, Jiang Q, Li Q, Ma S, Pan Q, Lin J, Jiang N, Ma J, Li Y, Hou Y, Zhi X, Jiang L, Qu L, Osto E, Wang X, Wei X, Meng D. BACH1 regulates the differentiation of vascular smooth muscle cells from human embryonic stem cells via CARM1-mediated methylation of H3R17. Cell Rep 2023; 42:113468. [PMID: 37995178 DOI: 10.1016/j.celrep.2023.113468] [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: 04/23/2023] [Revised: 10/05/2023] [Accepted: 11/06/2023] [Indexed: 11/25/2023] Open
Abstract
The role of BACH1 in the process of vascular smooth muscle cell (VSMC) differentiation from human embryonic stem cells (hESCs) remains unknown. Here, we find that the loss of BACH1 in hESCs attenuates the expression of VSMC marker genes, whereas overexpression of BACH1 after mesoderm induction increases the expression of VSMC markers during in vitro hESC-VSMC differentiation. Mechanistically, BACH1 binds directly to coactivator-associated arginine methyltransferase 1 (CARM1) during in vitro hESC-VSMC differentiation, and this interaction is mediated by the BACH1 bZIP domain. BACH1 recruits CARM1 to VSMC marker gene promoters and promotes VSMC marker expression by increasing H3R17me2 modification, thus facilitating in vitro VSMC differentiation from hESCs after the mesoderm induction. The increased expression of VSMC marker genes by BACH1 overexpression is partially abolished by inhibition of CARM1 or the H3R17me2 inhibitor TBBD in hESC-derived cells. These findings highlight the critical role of BACH1 in hESC differentiation into VSMCs by CARM1-mediated methylation of H3R17.
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Affiliation(s)
- Yunquan He
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Jieyu Guo
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Yueyang Yu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Jiayu Jin
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Qingjun Jiang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China; Department of Vascular & Endovascular Surgery, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Qinhan Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Siyu Ma
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Qi Pan
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Jiayi Lin
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Nan Jiang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Jinghua Ma
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Yongbo Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Yannan Hou
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Xiuling Zhi
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Lindi Jiang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China
| | - Lefeng Qu
- Department of Vascular & Endovascular Surgery, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Elena Osto
- Division of Physiology and Pathophysiology, Otto Loewi Research Center for Vascular Biology, Immunology and Inflammation, Medical University of Graz, Graz, Austria
| | - Xinhong Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China.
| | - Xiangxiang Wei
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China; Shanghai Medical College and Zhongshan Hospital Immunotherapy Translational Research Center, 446 Zhaojiabang Road, Xuhui District, Shanghai 200032, China.
| | - Dan Meng
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Department of Rheumatology, Zhongshan Hospital, Fudan University, 138 Yixueyuan Road, Xuhui District, Shanghai 200032, China.
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Otomo J, Woltjen K, Sakurai H. Uniform transgene activation in Tet-On systems depends on sustained rtTA expression. iScience 2023; 26:107685. [PMID: 37701566 PMCID: PMC10494183 DOI: 10.1016/j.isci.2023.107685] [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: 02/06/2023] [Revised: 06/13/2023] [Accepted: 08/17/2023] [Indexed: 09/14/2023] Open
Abstract
Application of the tetracycline-inducible gene expression system (Tet-On) in human induced pluripotent stem cells (hiPSCs) has become a fundamental transgenic tool owing to its regulatable gene expression. One of the major hurdles in hiPSC application is non-uniform transgene activation. Here, we report that the supplementation of reverse tetracycline transactivator (rtTA) in polyclonal hiPSCs populations can achieve the uniform transgene activation of Tet-On. Furthermore, the choice of antibiotic selection markers connected by an internal ribosomal entry site (IRES) can influence the expression of upstream transgenes. In particular, expression of the rtTA is more uniform in cell populations when linked to puromycin as compared to neomycin, obviating the need for sub-cloning or supplementation of rtTA. Finally, to expand the range of applications, we adopted our findings to tetracycline-inducible MyoD vector (Tet-MyoD). Our Tet-MyoD promises efficient, robust, and reproducible directed myogenic differentiation of hiPSCs.
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Affiliation(s)
- Jun Otomo
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
| | - Knut Woltjen
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
| | - Hidetoshi Sakurai
- Center for iPS Cell Research and Application (CiRA), Kyoto University, Sakyo-ku, Kyoto 606-8507, Japan
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Gromova T, Gehred ND, Vondriska TM. Single-cell transcriptomes in the heart: when every epigenome counts. Cardiovasc Res 2023; 119:64-78. [PMID: 35325060 DOI: 10.1093/cvr/cvac040] [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: 10/06/2021] [Revised: 02/03/2022] [Accepted: 02/14/2022] [Indexed: 11/13/2022] Open
Abstract
The response of an organ to stimuli emerges from the actions of individual cells. Recent cardiac single-cell RNA-sequencing studies of development, injury, and reprogramming have uncovered heterogeneous populations even among previously well-defined cell types, raising questions about what level of experimental resolution corresponds to disease-relevant, tissue-level phenotypes. In this review, we explore the biological meaning behind this cellular heterogeneity by undertaking an exhaustive analysis of single-cell transcriptomics in the heart (including a comprehensive, annotated compendium of studies published to date) and evaluating new models for the cardiac function that have emerged from these studies (including discussion and schematics that depict new hypotheses in the field). We evaluate the evidence to support the biological actions of newly identified cell populations and debate questions related to the role of cell-to-cell variability in development and disease. Finally, we present emerging epigenomic approaches that, when combined with single-cell RNA-sequencing, can resolve basic mechanisms of gene regulation and variability in cell phenotype.
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Affiliation(s)
- Tatiana Gromova
- Department of Anesthesiology & Perioperative Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- Department of Medicine/Cardiology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- Department of Physiology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - Natalie D Gehred
- Department of Anesthesiology & Perioperative Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- Department of Medicine/Cardiology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- Department of Physiology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
| | - Thomas M Vondriska
- Department of Anesthesiology & Perioperative Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- Department of Medicine/Cardiology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
- Department of Physiology, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
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Smith CA, Humphreys PA, Naven MA, Woods S, Mancini FE, O’Flaherty J, Meng QJ, Kimber SJ. Directed differentiation of hPSCs through a simplified lateral plate mesoderm protocol for generation of articular cartilage progenitors. PLoS One 2023; 18:e0280024. [PMID: 36706111 PMCID: PMC9882893 DOI: 10.1371/journal.pone.0280024] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 12/20/2022] [Indexed: 01/28/2023] Open
Abstract
Developmentally, the articular joints are derived from lateral plate (LP) mesoderm. However, no study has produced both LP derived prechondrocytes and preosteoblasts from human pluripotent stem cells (hPSC) through a common progenitor in a chemically defined manner. Differentiation of hPSCs through the authentic route, via an LP-osteochondral progenitor (OCP), may aid understanding of human cartilage development and the generation of effective cell therapies for osteoarthritis. We refined our existing chondrogenic protocol, incorporating knowledge from development and other studies to produce a LP-OCP from which prechondrocyte- and preosteoblast-like cells can be generated. Results show the formation of an OCP, which can be further driven to prechondrocytes and preosteoblasts. Prechondrocytes cultured in pellets produced cartilage like matrix with lacunae and superficial flattened cells expressing lubricin. Additionally, preosteoblasts were able to generate a mineralised structure. This protocol can therefore be used to investigate further cartilage development and in the development of joint cartilage for potential treatments.
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Affiliation(s)
- Christopher A. Smith
- Faculty of Biology, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Paul A. Humphreys
- Faculty of Biology, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Mark A. Naven
- Faculty of Biology, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Steven Woods
- Faculty of Biology, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Fabrizio E. Mancini
- Faculty of Biology, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Julieta O’Flaherty
- Faculty of Biology, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Qing-Jun Meng
- Faculty of Biology, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Susan J. Kimber
- Faculty of Biology, Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Medicine and Health, University of Manchester, Manchester, United Kingdom
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Zuo JY, Chen HX, Liu ZG, Yang Q, He GW. Identification and functional analysis of variants of MYH6 gene promoter in isolated ventricular septal defects. BMC Med Genomics 2022; 15:213. [PMID: 36209093 PMCID: PMC9548206 DOI: 10.1186/s12920-022-01365-y] [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: 06/14/2022] [Accepted: 09/21/2022] [Indexed: 11/11/2022] Open
Abstract
Background Ventricular septal defect is the most common form of congenital heart diseases. MYH6 gene has a critical effect on the growth and development of the heart but the variants in the promoter of MYH6 is unknown. Patients and methods In 604 of the subjects (311 isolated and sporadic ventricular septal defect patients and 293 healthy controls), DNA was extracted from blood samples and MYH6 gene promoter region variants were analyzed by sequencing. Further functional verification was performed by cellular experiments using dual luciferase reporter gene analysis, electrophoretic mobility shift assays, and bioinformatics analysis. Results Nine variants were identified in the MYH6 gene promoter and two of those variants [g.4085G>C(rs1222539675) and g.4716G>A(rs377648095)] were only found in the ventricular septal defect patients. Cellular function experiments showed that these two variants reduced the transcriptional activity of the MYH6 gene promoter (p < 0.001). Further analysis with online JASPAR database suggests that these variants may alter a set of putative transcription factor binding sites that possibly lead to changes in myosin subunit expression and ventricular septal defect formation. Conclusions Our study for the first time identifies variants in the promoter region of the MYH6 gene in Chinese patients with isolated and sporadic ventricular septal defect. These variants significantly reduced MYH6 gene expression and affected transcription factor binding sites and therefore are pathogenic. The present study provides new insights in the role of the MYH6 gene promoter region to better understand the genetic basis of VSD formation. Supplementary Information The online version contains supplementary material available at 10.1186/s12920-022-01365-y.
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Affiliation(s)
- Ji-Yang Zuo
- Department of Cardiovascular Surgery, The Institute of Cardiovascular Diseases, TEDA International Cardiovascular Hospital, Tianjin University & Chinese Academy of Medical Sciences, No. 61, the 3rd Ave., Tianjin, 300457, China.,Clinical School of Cardiovascular Disease, Tianjin Medical University, Tianjin, China
| | - Huan-Xin Chen
- Department of Cardiovascular Surgery, The Institute of Cardiovascular Diseases, TEDA International Cardiovascular Hospital, Tianjin University & Chinese Academy of Medical Sciences, No. 61, the 3rd Ave., Tianjin, 300457, China
| | - Zhi-Gang Liu
- Department of Cardiovascular Surgery, The Institute of Cardiovascular Diseases, TEDA International Cardiovascular Hospital, Tianjin University & Chinese Academy of Medical Sciences, No. 61, the 3rd Ave., Tianjin, 300457, China
| | - Qin Yang
- Department of Cardiovascular Surgery, The Institute of Cardiovascular Diseases, TEDA International Cardiovascular Hospital, Tianjin University & Chinese Academy of Medical Sciences, No. 61, the 3rd Ave., Tianjin, 300457, China
| | - Guo-Wei He
- Department of Cardiovascular Surgery, The Institute of Cardiovascular Diseases, TEDA International Cardiovascular Hospital, Tianjin University & Chinese Academy of Medical Sciences, No. 61, the 3rd Ave., Tianjin, 300457, China.
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Zhang C, Han X, Liu J, Chen L, Lei Y, Chen K, Si J, Wang TY, Zhou H, Zhao X, Zhang X, An Y, Li Y, Wang QF. Single-cell Transcriptomic Analysis Reveals the Cellular Heterogeneity of Mesenchymal Stem Cells. GENOMICS, PROTEOMICS & BIOINFORMATICS 2022; 20:70-86. [PMID: 35123072 PMCID: PMC9510874 DOI: 10.1016/j.gpb.2022.01.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 01/04/2022] [Accepted: 01/27/2022] [Indexed: 01/04/2023]
Abstract
Ex vivo-expanded mesenchymal stem cells (MSCs) have been demonstrated to be a heterogeneous mixture of cells exhibiting varying proliferative, multipotential, and immunomodulatory capacities. However, the exact characteristics of MSCs remain largely unknown. By single-cell RNA sequencing of 61,296 MSCs derived from bone marrow and Wharton’s jelly, we revealed five distinct subpopulations. The developmental trajectory of these five MSC subpopulations was mapped, revealing a differentiation path from stem-like active proliferative cells (APCs) to multipotent progenitor cells, followed by branching into two paths: 1) unipotent preadipocytes or 2) bipotent prechondro-osteoblasts that were subsequently differentiated into unipotent prechondrocytes. The stem-like APCs, expressing the perivascular mesodermal progenitor markers CSPG4/MCAM/NES, uniquely exhibited strong proliferation and stemness signatures. Remarkably, the prechondrocyte subpopulation specifically expressed immunomodulatory genes and was able to suppress activated CD3+ T cell proliferation in vitro, supporting the role of this population in immunoregulation. In summary, our analysis mapped the heterogeneous subpopulations of MSCs and identified two subpopulations with potential functions in self-renewal and immunoregulation. Our findings advance the definition of MSCs by identifying the specific functions of their heterogeneous cellular composition, allowing for more specific and effective MSC application through the purification of their functional subpopulations.
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Affiliation(s)
- Chen Zhang
- CAS Key Laboratory of Genomic and Precision Medicine, Collaborative Innovation Center of Genetics and Development, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China; China National Center for Bioinformation, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China; Department of Medical Experimental Center, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao 266035, China; Qingdao Key Lab of Mitochondrial Medicine, Qingdao 266035, China
| | - Xueshuai Han
- CAS Key Laboratory of Genomic and Precision Medicine, Collaborative Innovation Center of Genetics and Development, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China; China National Center for Bioinformation, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jingkun Liu
- CAS Key Laboratory of Genomic and Precision Medicine, Collaborative Innovation Center of Genetics and Development, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China; China National Center for Bioinformation, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lei Chen
- CAS Key Laboratory of Genomic and Precision Medicine, Collaborative Innovation Center of Genetics and Development, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China; China National Center for Bioinformation, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ying Lei
- CAS Key Laboratory of Genomic and Precision Medicine, Collaborative Innovation Center of Genetics and Development, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China; China National Center for Bioinformation, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Kunying Chen
- CAS Key Laboratory of Genomic and Precision Medicine, Collaborative Innovation Center of Genetics and Development, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China; China National Center for Bioinformation, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jia Si
- CAS Key Laboratory of Genomic and Precision Medicine, Collaborative Innovation Center of Genetics and Development, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China; China National Center for Bioinformation, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tian-Yi Wang
- International Department, Liangxiang Campus, Beijing University of Chinese Medicine, Beijing 102401, China
| | - Hui Zhou
- Yihua Biotechnology Co., Ltd., Beijing 100041, China
| | - Xiaoyun Zhao
- Department of Medical Experimental Center, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, Qingdao 266035, China; Qingdao Key Lab of Mitochondrial Medicine, Qingdao 266035, China
| | - Xiaohui Zhang
- Peking University People's Hospital, Peking University Institute of Hematology, Beijing 100044, China
| | - Yihua An
- Department of Functional Neurosurgery, Third Medical Center, General Hospital of Chinese PLA, Beijing 100039, China
| | - Yueying Li
- CAS Key Laboratory of Genomic and Precision Medicine, Collaborative Innovation Center of Genetics and Development, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China; China National Center for Bioinformation, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Qian-Fei Wang
- CAS Key Laboratory of Genomic and Precision Medicine, Collaborative Innovation Center of Genetics and Development, Beijing Institute of Genomics, Chinese Academy of Sciences, Beijing 100101, China; China National Center for Bioinformation, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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Della Gaspera B, Weill L, Chanoine C. Evolution of Somite Compartmentalization: A View From Xenopus. Front Cell Dev Biol 2022; 9:790847. [PMID: 35111756 PMCID: PMC8802780 DOI: 10.3389/fcell.2021.790847] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 11/26/2021] [Indexed: 11/13/2022] Open
Abstract
Somites are transitory metameric structures at the basis of the axial organization of vertebrate musculoskeletal system. During evolution, somites appear in the chordate phylum and compartmentalize mainly into the dermomyotome, the myotome, and the sclerotome in vertebrates. In this review, we summarized the existing literature about somite compartmentalization in Xenopus and compared it with other anamniote and amniote vertebrates. We also present and discuss a model that describes the evolutionary history of somite compartmentalization from ancestral chordates to amniote vertebrates. We propose that the ancestral organization of chordate somite, subdivided into a lateral compartment of multipotent somitic cells (MSCs) and a medial primitive myotome, evolves through two major transitions. From ancestral chordates to vertebrates, the cell potency of MSCs may have evolved and gave rise to all new vertebrate compartments, i.e., the dermomyome, its hypaxial region, and the sclerotome. From anamniote to amniote vertebrates, the lateral MSC territory may expand to the whole somite at the expense of primitive myotome and may probably facilitate sclerotome formation. We propose that successive modifications of the cell potency of some type of embryonic progenitors could be one of major processes of the vertebrate evolution.
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Stutt N, Song M, Wilson MD, Scott IC. Cardiac specification during gastrulation - The Yellow Brick Road leading to Tinman. Semin Cell Dev Biol 2021; 127:46-58. [PMID: 34865988 DOI: 10.1016/j.semcdb.2021.11.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 11/05/2021] [Accepted: 11/11/2021] [Indexed: 02/07/2023]
Abstract
The question of how the heart develops, and the genetic networks governing this process have become intense areas of research over the past several decades. This research is propelled by classical developmental studies and potential clinical applications to understand and treat congenital conditions in which cardiac development is disrupted. Discovery of the tinman gene in Drosophila, and examination of its vertebrate homolog Nkx2.5, along with other core cardiac transcription factors has revealed how cardiac progenitor differentiation and maturation drives heart development. Careful observation of cardiac morphogenesis along with lineage tracing approaches indicated that cardiac progenitors can be divided into two broad classes of cells, namely the first and second heart fields, that contribute to the heart in two distinct waves of differentiation. Ample evidence suggests that the fate of individual cardiac progenitors is restricted to distinct cardiac structures quite early in development, well before the expression of canonical cardiac progenitor markers like Nkx2.5. Here we review the initial specification of cardiac progenitors, discuss evidence for the early patterning of cardiac progenitors during gastrulation, and consider how early gene expression programs and epigenetic patterns can direct their development. A complete understanding of when and how the developmental potential of cardiac progenitors is determined, and their potential plasticity, is of great interest developmentally and also has important implications for both the study of congenital heart disease and therapeutic approaches based on cardiac stem cell programming.
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Affiliation(s)
- Nathan Stutt
- Program in Genetics and Genome Biology, The Hospital for Sick Children, Toronto, ON M5G0A4, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S1A8, Canada
| | - Mengyi Song
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON M5G0A4, Canada; Program in Genetics and Genome Biology, The Hospital for Sick Children, Toronto, ON M5G0A4, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S1A8, Canada
| | - Michael D Wilson
- Program in Developmental and Stem Cell Biology, The Hospital for Sick Children, Toronto, ON M5G0A4, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S1A8, Canada
| | - Ian C Scott
- Program in Genetics and Genome Biology, The Hospital for Sick Children, Toronto, ON M5G0A4, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S1A8, Canada.
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10
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Qin K, Lei J, Yang J. The Differentiation of Pluripotent Stem Cells towards Endothelial Progenitor Cells - Potential Application in Pulmonary Arterial Hypertension. Int J Stem Cells 2021; 15:122-135. [PMID: 34711697 PMCID: PMC9148829 DOI: 10.15283/ijsc21044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 08/26/2021] [Accepted: 09/02/2021] [Indexed: 11/22/2022] Open
Abstract
Background and Objectives Endothelial progenitor cells (EPCs) and endothelial cells (ECs) have been applied in the clinic to treat pulmonary arterial hypertension (PAH), a disease characterized by disordered pulmonary vasculature. However, the lack of sufficient transplantable cells before the deterioration of disease condition is a current limitation to apply cell therapy in patients. It is necessary to differentiate pluripotent stem cells (PSCs) into EPCs and identify their characteristics. Methods and Results Comparing previously reported methods of human PSCs-derived ECs, we optimized a highly efficient differentiation protocol to obtain cells that match the phenotype of isolated EPCs from healthy donors. The protocol is compatible with chemically defined medium (CDM), it could produce a large number of clinically applicable cells with low cost. Moreover, we also found PSCs-derived EPCs express CD133, have some characteristics of mesenchymal stem cells and are capable of homing to repair blood vessels in zebrafish xenograft assays. In addition, we further revealed that IPAH PSCs-derived EPCs have higher expression of proliferation-related genes and lower expression of immune-related genes than normal EPCs and PSCs-derived EPCs through microarray analysis. Conclusions In conclusion, we optimized a highly efficient differentiation protocol to obtain PSCs-derived EPCs with the phenotypic and molecular characteristics of EPCs from healthy donors which distinguished them from EPCs from PAH.
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Affiliation(s)
- Kezhou Qin
- Department of Cell Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Jia Lei
- Department of Physiology, and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jun Yang
- Department of Cell Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.,Department of Physiology, and Department of Cardiology of the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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11
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Ajima R, Sakakibara Y, Sakurai-Yamatani N, Muraoka M, Saga Y. Formal proof of the requirement of MESP1 and MESP2 in mesoderm specification and their transcriptional control via specific enhancers in mice. Development 2021; 148:272544. [PMID: 34679163 DOI: 10.1242/dev.194613] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 09/20/2021] [Indexed: 12/26/2022]
Abstract
MESP1 and MESP2 are transcriptional factors involved in mesoderm specification, somite boundary formation and somite polarity regulation. However, Mesp quadruple mutant zebrafish displayed only abnormal somite polarity without mesoderm specification defects. In order to re-evaluate Mesp1/Mesp2 mutants in mice, Mesp1 and Mesp2 single knockouts (KOs), and a Mesp1/Mesp2 double KO were established using genome-editing techniques without introducing selection markers commonly used before. The Mesp1/Mesp2 double KO embryos exhibited markedly severe mesoderm formation defects that were similar to the previously reported Mesp1/Mesp2 double KO embryos, indicating species differences in the function of MESP family proteins. However, the Mesp1 KO did not display any phenotype, including heart formation defects, which have been reported previously. We noted upregulation of Mesp2 in the Mesp1 KO embryos, suggesting that MESP2 rescues the loss of MESP1 in mesoderm specification. We also found that Mesp1 and Mesp2 expression in the early mesoderm is regulated by the cooperation of two independent enhancers containing T-box- and TCF/Lef-binding sites. Deletion of both enhancers caused the downregulation of both genes, resulting in heart formation defects. This study suggests dose-dependent roles of MESP1 and MESP2 in early mesoderm formation.
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Affiliation(s)
- Rieko Ajima
- Mammalian Development Laboratory, National Institute of Genetics, Research Organization of Information and Systems (ROIS), Yata 1111, Mishima, Shizuoka 411-8540, Japan.,Division for Development of Genetic-engineered Mouse Resource, Research Organization of Information and Systems (ROIS), Yata 1111, Mishima, Shizuoka 411-8540, Japan.,Department of Genetics, The Graduate University for Advanced Studies (SOKENDAI), Yata 1111, Mishima, Shizuoka 411-8540, Japan
| | - Yuko Sakakibara
- Division for Development of Genetic-engineered Mouse Resource, Research Organization of Information and Systems (ROIS), Yata 1111, Mishima, Shizuoka 411-8540, Japan
| | - Noriko Sakurai-Yamatani
- Division for Development of Genetic-engineered Mouse Resource, Research Organization of Information and Systems (ROIS), Yata 1111, Mishima, Shizuoka 411-8540, Japan
| | - Masafumi Muraoka
- Mammalian Development Laboratory, National Institute of Genetics, Research Organization of Information and Systems (ROIS), Yata 1111, Mishima, Shizuoka 411-8540, Japan
| | - Yumiko Saga
- Mammalian Development Laboratory, National Institute of Genetics, Research Organization of Information and Systems (ROIS), Yata 1111, Mishima, Shizuoka 411-8540, Japan.,Division for Development of Genetic-engineered Mouse Resource, Research Organization of Information and Systems (ROIS), Yata 1111, Mishima, Shizuoka 411-8540, Japan.,Department of Genetics, The Graduate University for Advanced Studies (SOKENDAI), Yata 1111, Mishima, Shizuoka 411-8540, Japan
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12
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Han ZL, Chen M, Fu XD, Yang M, Hrmova M, Zhao YH, Mou HJ. Potassium Alginate Oligosaccharides Alter Gut Microbiota, and Have Potential to Prevent the Development of Hypertension and Heart Failure in Spontaneously Hypertensive Rats. Int J Mol Sci 2021; 22:ijms22189823. [PMID: 34575987 PMCID: PMC8470992 DOI: 10.3390/ijms22189823] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 08/31/2021] [Accepted: 09/06/2021] [Indexed: 12/12/2022] Open
Abstract
Food-derived oligosaccharides show promising therapeutic potential in lowering blood pressure (BP), but the mechanism is poorly understood. Recently, the potential role of gut microbiota (GM) in hypertension has been investigated, but the specific GM signature that may participate in hypertension remains unclear. To test the potassium alginate oligosaccharides (PAO) mechanism in lowering BP and specific microbial signature changes in altering GM, we administered various dosages of PAO in 40 spontaneously hypertensive rats for a duration of six weeks. We analyzed BP, sequenced the 16S ribosomal DNA gene in the cecum content, and gathered RNA-seq data in cardiac tissues. We showed that the oral administration of PAO could significantly decrease systolic BP and mean arterial pressure. Transcriptome analyses demonstrated that the protective effects of developing heart failure were accompanied by down-regulating of the Natriuretic Peptide A gene expression and by decreasing the concentrations of angiotensin II and atrial natriuretic peptide in plasma. In comparison to the Vehicle control, PAO could increase the microbial diversity by altering the composition of GM. PAO could also decrease the ratio of Firmicutes to Bacteroidetes by decreasing the abundance of Prevotella and Phascolarctobacterium bacteria. The favorable effect of PAO may be added to the positive influence of the abundance of major metabolites produced by Gram-negative bacteria in GM. We suggest that PAO caused changes in GM, and thus, they played an important role in preventing the development of cardiovascular disease.
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Affiliation(s)
- Zhen-Lian Han
- School of Life Science, Huaiyin Normal University, 111 West Changjiang Road, Huai’an 223300, China; (Z.-L.H.); (M.H.)
- College of Food Science & Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China; (M.C.); (X.-D.F.)
| | - Meng Chen
- College of Food Science & Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China; (M.C.); (X.-D.F.)
| | - Xiao-Dan Fu
- College of Food Science & Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China; (M.C.); (X.-D.F.)
| | - Min Yang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China;
| | - Maria Hrmova
- School of Life Science, Huaiyin Normal University, 111 West Changjiang Road, Huai’an 223300, China; (Z.-L.H.); (M.H.)
| | - Yuan-Hui Zhao
- College of Food Science & Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China; (M.C.); (X.-D.F.)
- Correspondence: (Y.-H.Z.); (H.-J.M.); Tel./Fax: +86-532-8203-2400 (Y.-H.Z.); +86-532-8203-2290 (H.-J.M.)
| | - Hai-Jin Mou
- College of Food Science & Engineering, Ocean University of China, 5 Yushan Road, Qingdao 266003, China; (M.C.); (X.-D.F.)
- Correspondence: (Y.-H.Z.); (H.-J.M.); Tel./Fax: +86-532-8203-2400 (Y.-H.Z.); +86-532-8203-2290 (H.-J.M.)
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13
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Kaur K, Hadas Y, Kurian AA, Żak MM, Yoo J, Mahmood A, Girard H, Komargodski R, Io T, Santini MP, Sultana N, Kabir Sharkar MT, Magadum A, Fargnoli A, Yoon S, Chepurko E, Chepurko V, Eliyahu E, Pinto D, Lebeche D, Kovacic JC, Hajjar RJ, Rafii S, Zangi L. Direct Reprogramming Induces Vascular Regeneration Post Muscle Ischemic Injury. Mol Ther 2021; 29:3042-3058. [PMID: 34332145 PMCID: PMC8531157 DOI: 10.1016/j.ymthe.2021.07.014] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 07/02/2021] [Accepted: 07/21/2021] [Indexed: 11/24/2022] Open
Abstract
Reprogramming non-cardiomyocytes (non-CMs) into cardiomyocyte (CM)-like cells is a promising strategy for cardiac regeneration in conditions such as ischemic heart disease. Here, we used a modified mRNA (modRNA) gene delivery platform to deliver a cocktail, termed 7G-modRNA, of four cardiac-reprogramming genes—Gata4 (G), Mef2c (M), Tbx5 (T), and Hand2 (H)—together with three reprogramming-helper genes—dominant-negative (DN)-TGFβ, DN-Wnt8a, and acid ceramidase (AC)—to induce CM-like cells. We showed that 7G-modRNA reprogrammed 57% of CM-like cells in vitro. Through a lineage-tracing model, we determined that delivering the 7G-modRNA cocktail at the time of myocardial infarction reprogrammed ∼25% of CM-like cells in the scar area and significantly improved cardiac function, scar size, long-term survival, and capillary density. Mechanistically, we determined that while 7G-modRNA cannot create de novo beating CMs in vitro or in vivo, it can significantly upregulate pro-angiogenic mesenchymal stromal cells markers and transcription factors. We also demonstrated that our 7G-modRNA cocktail leads to neovascularization in ischemic-limb injury, indicating CM-like cells importance in other organs besides the heart. modRNA is currently being used around the globe for vaccination against COVID-19, and this study proves this is a safe, highly efficient gene delivery approach with therapeutic potential to treat ischemic diseases.
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Affiliation(s)
- Keerat Kaur
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Yoav Hadas
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Ann Anu Kurian
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Magdalena M Żak
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Jimeen Yoo
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Asharee Mahmood
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Hanna Girard
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Rinat Komargodski
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Toshiro Io
- Research Department, Ono Pharmaceutical Co. Ltd., Osaka, Japan, 103-0023
| | - Maria Paola Santini
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Nishat Sultana
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Mohammad Tofael Kabir Sharkar
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Ajit Magadum
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Anthony Fargnoli
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Seonghun Yoon
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Elena Chepurko
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Vadim Chepurko
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Efrat Eliyahu
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Multiscale Biology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Dalila Pinto
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; The Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Seaver Autism Center for Research and Treatment, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Djamel Lebeche
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Jason C Kovacic
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Roger J Hajjar
- Phospholamban Foundation, Amsterdam, The Netherlands 1775 ZH
| | - Shahin Rafii
- Icahn Institute for Data Science and Genomic Technology, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029
| | - Lior Zangi
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029; Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA, 10029.
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14
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Yamakawa H, Ieda M. Cardiac regeneration by direct reprogramming in this decade and beyond. Inflamm Regen 2021; 41:20. [PMID: 34193320 PMCID: PMC8247073 DOI: 10.1186/s41232-021-00168-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 05/28/2021] [Indexed: 12/15/2022] Open
Abstract
Japan faces an increasing incidence of heart disease, owing to a shift towards a westernized lifestyle and an aging demographic. In cases where conventional interventions are not appropriate, regenerative medicine offers a promising therapeutic option. However, the use of stem cells has limitations, and therefore, “direct cardiac reprogramming” is emerging as an alternative treatment. Myocardial regeneration transdifferentiates cardiac fibroblasts into cardiomyocytes in situ. Three cardiogenic transcription factors: Gata4, Mef2c, and Tbx5 (GMT) can induce direct reprogramming of fibroblasts into induced cardiomyocytes (iCMs), in mice. However, in humans, additional factors, such as Mesp1 and Myocd, are required. Inflammation and immune responses hinder the reprogramming process in mice, and epigenetic modifiers such as TET1 are involved in direct cardiac reprogramming in humans. The three main approaches to improving reprogramming efficiency are (1) improving direct cardiac reprogramming factors, (2) improving cell culture conditions, and (3) regulating epigenetic factors. miR-133 is a potential candidate for the first approach. For the second approach, inhibitors of TGF-β and Wnt signals, Akt1 overexpression, Notch signaling pathway inhibitors, such as DAPT ((S)-tert-butyl 2-((S)-2-(2-(3,5-difluorophenyl) acetamido) propanamido)-2-phenylacetate), fibroblast growth factor (FGF)-2, FGF-10, and vascular endothelial growth factor (VEGF: FFV) can influence reprogramming. Reducing the expression of Bmi1, which regulates the mono-ubiquitination of histone H2A, alters histone modification, and subsequently the reprogramming efficiency, in the third approach. In addition, diclofenac, a non-steroidal anti-inflammatory drug, and high level of Mef2c overexpression could improve direct cardiac reprogramming. Direct cardiac reprogramming needs improvement if it is to be used in humans, and the molecular mechanisms involved remain largely elusive. Further advances in cardiac reprogramming research are needed to bring us closer to cardiac regenerative therapy.
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Affiliation(s)
- Hiroyuki Yamakawa
- Department of Cardiology, Keio University School of Medicine, 35 Shinanomachi, Shinjiku-ku, Tokyo, 160-8582, Japan. .,Center for Preventive Medicine, Keio University School of Medicine, Tokyo, Japan.
| | - Masaki Ieda
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba City, Ibaraki, 305-8575, Japan.
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15
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Shaker MR, Lee JH, Sun W. Embryonal Neuromesodermal Progenitors for Caudal Central Nervous System and Tissue Development. J Korean Neurosurg Soc 2021; 64:359-366. [PMID: 33896149 PMCID: PMC8128519 DOI: 10.3340/jkns.2020.0359] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/08/2021] [Accepted: 01/28/2021] [Indexed: 01/20/2023] Open
Abstract
Neuromesodermal progenitors (NMPs) constitute a bipotent cell population that generates a wide variety of trunk cell and tissue types during embryonic development. Derivatives of NMPs include both mesodermal lineage cells such as muscles and vertebral bones, and neural lineage cells such as neural crests and central nervous system neurons. Such diverse lineage potential combined with a limited capacity for self-renewal, which persists during axial elongation, demonstrates that NMPs are a major source of trunk tissues. This review describes the identification and characterization of NMPs across multiple species. We also discuss key cellular and molecular steps for generating neural and mesodermal cells for building up the elongating trunk tissue.
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Affiliation(s)
- Mohammed R. Shaker
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Queensland, Australia
| | - Ju-Hyun Lee
- Department of Anatomy, Brain Korea 21 Plus Program for Biomedical Science, Korea University College of Medicine, Seoul, Korea
| | - Woong Sun
- Department of Anatomy, Brain Korea 21 Plus Program for Biomedical Science, Korea University College of Medicine, Seoul, Korea
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16
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Haellman V, Saxena P, Jiang Y, Fussenegger M. Rational design and optimization of synthetic gene switches for controlling cell-fate decisions in pluripotent stem cells. Metab Eng 2021; 65:99-110. [PMID: 33744461 DOI: 10.1016/j.ymben.2021.03.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 02/25/2021] [Accepted: 03/09/2021] [Indexed: 11/26/2022]
Abstract
Advances in synthetic biology have enabled robust control of cell behavior by using tunable genetic circuits to regulate gene expression in a ligand-dependent manner. Such circuits can be used to direct the differentiation of pluripotent stem cells (PSCs) towards desired cell types, but rational design of synthetic gene circuits in PSCs is challenging due to the variable intracellular environment. Here, we provide a framework for implementing synthetic gene switches in PSCs based on combinations of tunable transcriptional, structural, and posttranslational elements that can be engineered as required, using the vanillic acid-controlled transcriptional activator (VanA) as a model system. We further show that the VanA system can be multiplexed with the well-established reverse tetracycline-controlled transcriptional activator (rtTA) system to enable independent control of the expression of different transcription factors in human induced PSCs in order to enhance lineage specification towards early pancreatic progenitors. This work represents a first step towards standardizing the design and construction of synthetic gene switches for building robust gene-regulatory networks to guide stem cell differentiation towards a desired cell fate.
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Affiliation(s)
- Viktor Haellman
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH, 4058, Basel, Switzerland
| | - Pratik Saxena
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH, 4058, Basel, Switzerland
| | - Yanrui Jiang
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH, 4058, Basel, Switzerland
| | - Martin Fussenegger
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, CH, 4058, Basel, Switzerland; Faculty of Science, University of Basel, Mattenstrasse 26, CH, 4058, Basel, Switzerland.
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17
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Cao H, Huang H, Tang H. Zbtb7a and Zbtb7b: Opening naïve loci to reprogram ESCs. Biosci Trends 2021; 15:58-60. [PMID: 33627571 DOI: 10.5582/bst.2020.03429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Bone morphogenetic protein 4 (BMP4) was recently reported to confer reprogramming capability to embryonic stem cells (ESCs) by reactivating naïve pluripotency genes via Zbtb7a and Zbtb7b. A visual reporting system was developed to first identify BMP4 as a driver for the primed-to-naïve transition (PNT). In addition, two specific inhibitors were identified as significantly improving the efficiency of PNT (~80% transition) within 8 days. The Zbtb7 family members were first introduced in the context of PNT and stem cell fate decision-making. These findings provide valuable information on acquiring naïve pluripotent stem cells for regenerative medicine.
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Affiliation(s)
- Hua Cao
- Department of Cardiology, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China
| | - Hong Huang
- Institute of Cardiovascular Disease, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China.,Institute of Clinical Medicine, The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
| | - Huifang Tang
- Department of Cardiology, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China.,Institute of Cardiovascular Disease, The First Affiliated Hospital of University of South China, Hengyang, Hunan, China
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18
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Anthracycline-induced cardiomyopathy: cellular and molecular mechanisms. Clin Sci (Lond) 2021; 134:1859-1885. [PMID: 32677679 DOI: 10.1042/cs20190653] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 07/02/2020] [Accepted: 07/03/2020] [Indexed: 02/06/2023]
Abstract
Despite the known risk of cardiotoxicity, anthracyclines are widely prescribed chemotherapeutic agents. They are broadly characterized as being a robust effector of cellular apoptosis in rapidly proliferating cells through its actions in the nucleus and formation of reactive oxygen species (ROS). And, despite the early use of dexrazoxane, no effective treatment strategy has emerged to prevent the development of cardiomyopathy, despite decades of study, suggesting that much more insight into the underlying mechanism of the development of cardiomyopathy is needed. In this review, we detail the specific intracellular activities of anthracyclines, from the cell membrane to the sarcoplasmic reticulum, and highlight potential therapeutic windows that represent the forefront of research into the underlying causes of anthracycline-induced cardiomyopathy.
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19
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Anzai T, Hara H, Chanthra N, Sadahiro T, Ieda M, Hanazono Y, Uosaki H. Generation of Efficient Knock-in Mouse and Human Pluripotent Stem Cells Using CRISPR-Cas9. Methods Mol Biol 2021; 2320:247-259. [PMID: 34302663 DOI: 10.1007/978-1-0716-1484-6_22] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
A knock-in can generate fluorescent or Cre-reporter under the control of an endogenous promoter. It also generates knock-out or tagged-protein with fluorescent protein and short tags for tracking and purification. Recent advances in genome editing with clustered regularly interspaced short palindromic repeat (CRISPR) and CRISPR-associated protein 9 (Cas9) significantly increased the efficiencies of making knock-in cells. Here we describe the detailed protocols of generating knock-in mouse and human pluripotent stem cells (PSCs) by electroporation and lipofection, respectively.
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Affiliation(s)
- Tatsuya Anzai
- Division of Regenerative Medicine, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
- Department of Pediatrics, Jichi Medical University, Tochigi, Japan
| | - Hiromasa Hara
- Division of Regenerative Medicine, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
- Animal Resource Laboratory, Center for Development of Advanced Medical Technology, Jichi Medical University, Tochigi, Japan
| | - Nawin Chanthra
- Division of Regenerative Medicine, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Taketaro Sadahiro
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Masaki Ieda
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Yutaka Hanazono
- Division of Regenerative Medicine, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan
- Translational Research Laboratory, Center for Development of Advanced Medical Technology, Jichi Medical University, Tochigi, Japan
| | - Hideki Uosaki
- Division of Regenerative Medicine, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan.
- Translational Research Laboratory, Center for Development of Advanced Medical Technology, Jichi Medical University, Tochigi, Japan.
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20
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Oh S, Song H, Freeman WM, Shin S, Janknecht R. Cooperation between ETS transcription factor ETV1 and histone demethylase JMJD1A in colorectal cancer. Int J Oncol 2020; 57:1319-1332. [PMID: 33174020 PMCID: PMC7646594 DOI: 10.3892/ijo.2020.5133] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 10/05/2020] [Indexed: 12/18/2022] Open
Abstract
ETS variant 1 (ETV1) is an oncogenic transcription factor. However, its role in colorectal cancer has remained understudied. The present study demonstrated that ETV1 downregulation led to reduced HCT116 colorectal cancer cell growth and clonogenic activity. Furthermore, the ETV1 mRNA levels were enhanced in colorectal tumors and were associated with disease severity. In addition, ETV1 directly bound to Jumonji C domain-containing (JMJD) 1A, a histone demethylase known to promote colon cancer. ETV1 and JMJD1A, but not a catalytically inactive mutant thereof, cooperated in inducing the matrix metalloproteinase (MMP)1 gene promoter that was similar to the cooperation between ETV1 and another histone demethylase, JMJD2A. RNA-sequencing revealed multiple potential ETV1 target genes in HCT116 cells, including the FOXQ1 and TBX6 transcription factor genes. Moreover, JMJD1A co-regulated FOXQ1 and other ETV1 target genes, but not TBX6, whereas JMJD2A downregulation had no impact on FOXQ1 as well as TBX6 transcription. Accordingly, the FOXQ1 gene promoter was stimulated by ETV1 and JMJD1A in a cooperative manner, and both ETV1 and JMJD1A bound to the FOXQ1 promoter. Notably, the overexpression of FOXQ1 partially reversed the growth inhibitory effects of ETV1 ablation on HCT116 cells, whereas TBX6 impaired HCT116 cell growth and may thereby dampen the oncogenic activity of ETV1. The latter also revealed for the first time, to the best of our knowledge, a potential tumor suppressive function of TBX6. Taken together, the present study uncovered a ETV1/JMJD1A-FOXQ1 axis that may drive colorectal tumorigenesis.
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Affiliation(s)
- Sangphil Oh
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Hoogeun Song
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | | | - Sook Shin
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Ralf Janknecht
- Department of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
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21
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Liu X, Yang Y, Wang X, Guo X, Lu C, Kang J, Wang G. MiR-184 directly targets Wnt3 in cardiac mesoderm differentiation of embryonic stem cells. Stem Cells 2020; 38:1568-1577. [PMID: 32997855 DOI: 10.1002/stem.3282] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 09/11/2020] [Indexed: 11/08/2022]
Abstract
Embryonic stem (ES) cells have the property of self-renewal and multi-directional differentiation, and provide an ideal model for studying early embryo development in vitro. Wnt3, as Wnt family member 3, plays a vital role during ES cell differentiation. However, the exact regulatory mechanism of Wnt3 remains to be elucidated. MicroRNAs can directly regulate gene expression at the post-transcriptional level and play critical function in cell fate determination. Here, we found the expression level of miR-184 decreased when ES cells differentiated into cardiac mesoderm then increased during the process as differentiated into cardiomyocytes, which negatively correlated with the expression of Wnt3. Overexpression of miR-184 during the process of ES cell differentiation into cardiac mesoderm repressed cardiac mesoderm differentiation and cardiomyocyte formation. Bioinformatics prediction and mechanism studies showed that miR-184 directly bound to the 3'UTR region of Wnt3 and inhibited the expression level of Wnt3. Consistently, knockdown of Wnt3 mimicked the effects of miR-184-overexpression on ES cell differentiation into cardiac mesoderm, whereas overexpression of Wnt3 rescued the inhibition effects of miR-184 overexpression on ES cell differentiation. These findings demonstrated that miR-184 is a direct regulator of Wnt3 during the differentiation process of ES cells, further enriched the epigenetic regulatory network of ES cell differentiation into cardiac mesoderm and cardiomyocytes.
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Affiliation(s)
- Xiaoqin Liu
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai, People's Republic of China
| | - Yiwei Yang
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai, People's Republic of China
| | - Xing Wang
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai, People's Republic of China
| | - Xudong Guo
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai, People's Republic of China
| | - Chenqi Lu
- Department of Biostatistics and Computational Biology, State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, People's Republic of China
| | - Jiuhong Kang
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai, People's Republic of China
| | - Guiying Wang
- Clinical and Translational Research Center of Shanghai First Maternity and Infant Hospital, Shanghai Key Laboratory of Signaling and Disease Research, School of Life Sciences and Technology, Tongji University, Shanghai, People's Republic of China
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22
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Soft Matrix Promotes Cardiac Reprogramming via Inhibition of YAP/TAZ and Suppression of Fibroblast Signatures. Stem Cell Reports 2020; 15:612-628. [PMID: 32857980 PMCID: PMC7486305 DOI: 10.1016/j.stemcr.2020.07.022] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 07/28/2020] [Accepted: 07/28/2020] [Indexed: 01/14/2023] Open
Abstract
Direct cardiac reprogramming holds great potential for regenerative medicine. However, it remains inefficient, and induced cardiomyocytes (iCMs) generated in vitro are less mature than those in vivo, suggesting that undefined extrinsic factors may regulate cardiac reprogramming. Previous in vitro studies mainly used hard polystyrene dishes, yet the effect of substrate rigidity on cardiac reprogramming remains unclear. Thus, we developed a Matrigel-based hydrogel culture system to determine the roles of matrix stiffness and mechanotransduction in cardiac reprogramming. We found that soft matrix comparable with native myocardium promoted the efficiency and quality of cardiac reprogramming. Mechanistically, soft matrix enhanced cardiac reprogramming via inhibition of integrin, Rho/ROCK, actomyosin, and YAP/TAZ signaling and suppression of fibroblast programs, which were activated on rigid substrates. Soft substrate further enhanced cardiac reprogramming with Sendai virus vectors via YAP/TAZ suppression, increasing the reprogramming efficiency up to ∼15%. Thus, mechanotransduction could provide new targets for improving cardiac reprogramming. Hydrogel culture reveals the role of mechanotransduction in cardiac reprogramming Soft ECM comparable with native myocardium promotes cardiac reprogramming Soft ECM promotes cardiac reprogramming via YAP/TAZ/fibroblast signaling inhibition Soft ECM promotes Sendai virus vector-mediated cardiac reprogramming
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23
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Swedlund B, Lescroart F. Cardiopharyngeal Progenitor Specification: Multiple Roads to the Heart and Head Muscles. Cold Spring Harb Perspect Biol 2020; 12:a036731. [PMID: 31818856 PMCID: PMC7397823 DOI: 10.1101/cshperspect.a036731] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
During embryonic development, the heart arises from various sources of undifferentiated mesodermal progenitors, with an additional contribution from ectodermal neural crest cells. Mesodermal cardiac progenitors are plastic and multipotent, but are nevertheless specified to a precise heart region and cell type very early during development. Recent findings have defined both this lineage plasticity and early commitment of cardiac progenitors, using a combination of single-cell and population analyses. In this review, we discuss several aspects of cardiac progenitor specification. We discuss their markers, fate potential in vitro and in vivo, early segregation and commitment, and also intrinsic and extrinsic cues regulating lineage restriction from multipotency to a specific cell type of the heart. Finally, we also discuss the subdivisions of the cardiopharyngeal field, and the shared origins of the heart with other mesodermal derivatives, including head and neck muscles.
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Affiliation(s)
- Benjamin Swedlund
- Laboratory of Stem Cells and Cancer, Université Libre de Bruxelles, 1070 Brussels, Belgium
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24
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Sun X, Ren Z, Cun Y, Zhao C, Huang X, Zhou J, Hu R, Su X, Ji L, Li P, Mak K, Gao F, Yang Y, Xu H, Ding J, Cao N, Li S, Zhang W, Lan P, Sun H, Wang J, Yuan P. Hippo-YAP signaling controls lineage differentiation of mouse embryonic stem cells through modulating the formation of super-enhancers. Nucleic Acids Res 2020; 48:7182-7196. [PMID: 32510157 PMCID: PMC7367178 DOI: 10.1093/nar/gkaa482] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 05/21/2020] [Accepted: 05/28/2020] [Indexed: 02/07/2023] Open
Abstract
Hippo-YAP signaling pathway functions in early lineage differentiation of pluripotent stem cells, but the detailed mechanisms remain elusive. We found that knockout (KO) of Mst1 and Mst2, two key components of the Hippo signaling in mouse embryonic stem cells (ESCs), resulted in a disruption of differentiation into mesendoderm lineage. To further uncover the underlying regulatory mechanisms, we performed a series of ChIP-seq experiments with antibodies against YAP, ESC master transcription factors and some characterized histone modification markers as well as RNA-seq assays using wild type and Mst KO samples at ES and day 4 embryoid body stage respectively. We demonstrate that YAP is preferentially co-localized with super-enhancer (SE) markers such as Nanog, Sox2, Oct4 and H3K27ac in ESCs. The hyper-activation of nuclear YAP in Mst KO ESCs facilitates the binding of Nanog, Sox2 and Oct4 as well as H3K27ac modification at the loci where YAP binds. Moreover, Mst depletion results in novel SE formation and enhanced liquid-liquid phase-separated Med1 condensates on lineage associated genes, leading to the upregulation of these genes and the distortion of ESC differentiation. Our study reveals a novel mechanism on how Hippo-YAP signaling pathway dictates ESC lineage differentiation.
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Affiliation(s)
| | | | - Yixian Cun
- Department of Medical Bioinformatics, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510275, China
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-sen University, Guangzhou 510275, China
| | - Cai Zhao
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-sen University, Guangzhou 510275, China
| | - Xianglin Huang
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-sen University, Guangzhou 510275, China
| | - Jiajian Zhou
- Dermatology Hospital, Southern Medical University, Guangzhou, China
- Department of Chemical Pathology, Li Ka Shing Institute of Health Sciences, Chinese University of Hong Kong, Hong Kong
| | - Rong Hu
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510655, China
- Guangdong Institute of Gastroenterology, Guangzhou, Guangdong 510655, China
- Department of Chemical Pathology, Li Ka Shing Institute of Health Sciences, Chinese University of Hong Kong, Hong Kong
| | - Xiaoxi Su
- Department of Chemical Pathology, Li Ka Shing Institute of Health Sciences, Chinese University of Hong Kong, Hong Kong
- China Hong Kong Children's Hospital, Hong Kong SAR
| | - Lu Ji
- Department of Chemical Pathology, Li Ka Shing Institute of Health Sciences, Chinese University of Hong Kong, Hong Kong
| | - Peng Li
- Scientific Research Center, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen, Guangdong 518107, China
| | - King Lun Kingston Mak
- Guangzhou Regenerative Medicine and Health Guangdong Laboratory (GRMH-GDL), Guangzhou, China
| | - Feng Gao
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510655, China
- Guangdong Institute of Gastroenterology, Guangzhou, Guangdong 510655, China
| | - Yi Yang
- Department of Medical Bioinformatics, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510275, China
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-sen University, Guangzhou 510275, China
| | - He Xu
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-sen University, Guangzhou 510275, China
| | - Junjun Ding
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-sen University, Guangzhou 510275, China
- Department of Histology and embryology, School of Basic Medical Sciences, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Nan Cao
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-sen University, Guangzhou 510275, China
| | - Shuo Li
- Department of Medical Bioinformatics, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510275, China
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-sen University, Guangzhou 510275, China
| | - Wensheng Zhang
- Cam-Su Genomic Resource Center, Soochow University, Suzhou 215123, China
| | - Ping Lan
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510655, China
- Department of Colorectal Surgery, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Hao Sun
- Department of Chemical Pathology, Li Ka Shing Institute of Health Sciences, Chinese University of Hong Kong, Hong Kong
| | - Jinkai Wang
- Correspondence may also be addressed to Jinkai Wang. Tel: +86 2087335142; Fax: +86 2087331209;
| | - Ping Yuan
- To whom correspondence should be addressed. Tel: +86 18819239657; Fax: +86 2038254166;
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25
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Bmi1 inhibitor PTC-209 promotes Chemically-induced Direct Cardiac Reprogramming of cardiac fibroblasts into cardiomyocytes. Sci Rep 2020; 10:7129. [PMID: 32346096 PMCID: PMC7189257 DOI: 10.1038/s41598-020-63992-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 04/06/2020] [Indexed: 12/13/2022] Open
Abstract
The development of therapeutic approaches based on direct cardiac reprogramming of fibroblasts into induced-cardiomyocytes (iCM) has emerged as an attractive strategy to repair the injured myocardium. The identification of the mechanisms driving lineage conversion represents a crucial step toward the development of new and more efficient regenerative strategies. To this aim, here we show that pre-treatment with the Bmi1 inhibitor PTC-209 is sufficient to increase the efficiency of Chemical-induced Direct Cardiac Reprogramming both in mouse embryonic fibroblasts and adult cardiac fibroblasts. PTC-209 induces an overall increase of spontaneously beating iCM at end-stage of reprogramming, expressing high levels of late cardiac markers Troponin T and myosin muscle light chain-2v. The inhibition of Bmi1 expression occurring upon PTC-209 pre-treatment was maintained throughout the reprogramming protocol, contributing to a significant gene expression de-regulation. RNA profiling revealed that, upon Bmi1 inhibition a significant down-regulation of genes associated with immune and inflammatory signalling pathways occurred, with repression of different genes involved in interleukin, cytokine and chemokine pathways. Accordingly, we observed the down-regulation of both JAK/STAT3 and MAPK/ERK1-2 pathway activation, highlighting the crucial role of these pathways as a barrier for cardiac reprogramming. These findings have significant implications for the development of new cardiac regenerative therapies.
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26
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Inhibition of cardiomyocyte differentiation of human induced pluripotent stem cells by Ribavirin: Implication for its cardiac developmental toxicity. Toxicology 2020; 435:152422. [PMID: 32112805 DOI: 10.1016/j.tox.2020.152422] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 02/16/2020] [Accepted: 02/25/2020] [Indexed: 12/18/2022]
Abstract
Ribavirin has been proven to be an antiviral treatment, whereas there are still risks of hemolysis and congenital malformation. Abnormal cardiac development contributes to the occurrence and development of many heart diseases. However, there is so far no evidence that ribavirin induces human cardiac developmental toxicity. Herein, we employed the cardiac differentiation model of human induced pluripotent stem cells (hiPSCs) to determine the impact of ribavirin on heart development. Our data showed that ribavirin at clinically high concentrations (5 and 10 μM) significantly inhibited the proliferation and differentiation of hiPSCs from mesoderm to cardiac progenitor cells and cardiac progenitor cells to cardiomyocytes, but not from pluripotent status to mesoderm. Meanwhile, DCFH-DA staining revealed that ribavirin could increase ROS content in the mid-phase of differentiation. In addition, ribavirin treatment (1, 5 and 10 μM) remarkably caused DNA damage which was shown by the increase of γH2AX-positive cells and upregulation of the p53 during the differentiation of hiPSCs from mesoderm to cardiac progenitor cells. Moreover, exposuring to ribavirin (5 and 10 μM) markedly upregulated the expression of lncRNAs Gas5 in both mid-phase and late phase of differentiation and HBL1 in the mid-phase. In conclusion, our results suggest that ribavirin is detrimental in cardiac differentiation of hiPSCs, which may be associated with DNA damage, upregulated p53 and increased Gas5. It may provide the evidence for the rational clinical application of ribavirin.
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27
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Abstract
Cardiovascular disease is the leading cause of death worldwide. Cardiomyocytes have limited regenerative capacity; consequently, regenerative therapies are in high demand. There are currently several potential strategies for heart regeneration, with one approach involving in situ generation of new cardiomyocytes from endogenous cell sources. Direct cardiac reprogramming has emerged as a novel therapeutic approach to regenerating the damaged heart by directly converting endogenous cardiac fibroblasts into cardiomyocyte-like cells. Following our first report of direct cardiac reprogramming, significant advances have elucidated the molecular mechanisms associated with cardiac reprogramming. These advances have also improved cardiac-reprogramming efficiency by enabling direct in vivo cardiac reprogramming. Moreover, progress has been made in cardiac reprogramming of human fibroblasts. Although basic research has supported substantial progress in this field, numerous challenges remain in terms of clinical application. Here, we review the current state of cardiac reprogramming as a new technology for understanding and treating cardiovascular diseases.
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28
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HORISAWA K, SUZUKI A. Direct cell-fate conversion of somatic cells: Toward regenerative medicine and industries. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2020; 96:131-158. [PMID: 32281550 PMCID: PMC7247973 DOI: 10.2183/pjab.96.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Cells of multicellular organisms have diverse characteristics despite having the same genetic identity. The distinctive phenotype of each cell is determined by molecular mechanisms such as epigenetic changes that occur throughout the lifetime of an individual. Recently, technologies that enable modification of the fate of somatic cells have been developed, and the number of studies using these technologies has increased drastically in the last decade. Various cell types, including neuronal cells, cardiomyocytes, and hepatocytes, have been generated using these technologies. Although most direct reprogramming methods employ forced transduction of a defined sets of transcription factors to reprogram cells in a manner similar to induced pluripotent cell technology, many other strategies, such as methods utilizing chemical compounds and microRNAs to change the fate of somatic cells, have also been developed. In this review, we summarize transcription factor-based reprogramming and various other reprogramming methods. Additionally, we describe the various industrial applications of direct reprogramming technologies.
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Affiliation(s)
- Kenichi HORISAWA
- Division of Organogenesis and Regeneration, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
| | - Atsushi SUZUKI
- Division of Organogenesis and Regeneration, Medical Institute of Bioregulation, Kyushu University, Fukuoka 812-8582, Japan
- Correspondence should be addressed: A. Suzuki, Division of Organogenesis and Regeneration, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan (e-mail: )
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29
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Ieda M. Key Regulators of Cardiovascular Differentiation and Regeneration: Harnessing the Potential of Direct Reprogramming to Treat Heart Failure. J Card Fail 2019; 26:80-84. [PMID: 31541743 DOI: 10.1016/j.cardfail.2019.09.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 08/29/2019] [Accepted: 09/03/2019] [Indexed: 12/29/2022]
Abstract
Cardiovascular diseases remain a leading cause of death worldwide, with the number of patients with heart failure increasing rapidly in aging societies. As adult cardiomyocytes are terminally differentiated cells and opportunities for heart transplantation are very limited, regenerative medicine may become a game changer in heart failure treatment. To develop strategies for generating cardiomyocytes, vascular cells, and other supporting cells, it is necessary to understand the mechanism of cardiovascular differentiation during development and from pluripotent stem cells. Master regulators for cardiovascular differentiation can generate new cardiomyocytes and vascular cells directly from other differentiated cells such as fibroblasts. Fibroblasts can be directly reprogrammed into cardiomyocytes by overexpressing a combination of 3 cardiac-specific transcription factors (Gata4, Mef2c, Tbx5) both in vitro and in vivo, which restores cardiac function after myocardial infarction in mice. Moreover, a direct reprogramming-based approach can be used to identify new key regulators of the cardiovascular mesoderm, which can differentiate into all 3 types of cardiovascular cells including cardiomyocytes, endothelial cells, and smooth muscle cells. This review provides a perspective on how key regulators for cardiovascular differentiation and regeneration can be identified and used to develop new treatments for heart failure.
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Affiliation(s)
- Masaki Ieda
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan.
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30
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Sadahiro T. Cardiac regeneration with pluripotent stem cell-derived cardiomyocytes and direct cardiac reprogramming. Regen Ther 2019; 11:95-100. [PMID: 31304202 PMCID: PMC6606831 DOI: 10.1016/j.reth.2019.06.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 05/20/2019] [Accepted: 06/13/2019] [Indexed: 01/14/2023] Open
Abstract
Cardiovascular disease is the leading cause of death globally. Cardiomyocytes (CMs) have poor regenerative capacity, and pharmacological therapies have limited efficacy in severe heart failure. Currently, there are several promising strategies for cardiac regeneration. The most promising approach to remuscularize failing hearts is cell transplantation therapy using newly generated CMs from exogenous sources, such as pluripotent stem cells. Alternatively, approaches to generate new CMs from endogenous cell sources in situ may also repair the injured heart and improve cardiac function. Direct cardiac reprogramming has emerged as a novel therapeutic approach to regenerate injured hearts by directly converting endogenous cardiac fibroblasts into CM-like cells. Through cell transplantation and direct cardiac reprogramming, new CMs can be generated and scar tissue reduced to improve cardiac function; therefore, cardiac regeneration may serve as a powerful strategy for treatment of severe heart failure. While substantial progress has been made in these two strategies for cardiac regeneration over the past several years, challenges remain for clinical translation. This review provide an overview of previous reports and current challenges in this field.
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Key Words
- BMP, bone morphogenic protein
- CFs, cardiac fibroblasts
- CMs, cardiomyocytes
- CPCs, cardiac progenitor cells
- Cardiomyocytes
- Direct reprogramming
- ESCs, embryonic stem cells
- Fibroblasts
- GHMT, GMT plus Hand2
- GMT, Gata4
- MI, myocardial infarction
- Mef2c, and Tbx5
- PSCs, pluripotent stem cells
- Pluripotent stem cells
- Regeneration
- SeV-GMT, Sendai virus vector expressing GMT
- iCMs, induced cardiomyocyte-like cells
- iPSCs, induced pluripotent stem cells
- miRs, microRNAs
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Affiliation(s)
- Taketaro Sadahiro
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennoudai, Tsukuba City, Ibaraki, 305-8575, Japan
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31
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Liang L, Tu Y, Lu J, Wang P, Guo Z, Wang Q, Guo K, Lan R, Li H, Liu P. Dkk1 exacerbates doxorubicin-induced cardiotoxicity by inhibiting the Wnt/β-catenin signaling pathway. J Cell Sci 2019; 132:jcs.228478. [PMID: 31028181 DOI: 10.1242/jcs.228478] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Accepted: 04/09/2019] [Indexed: 01/13/2023] Open
Abstract
The cancer clinical therapy of doxorubicin (Dox) treatment is limited by its life-threatening cardiotoxic effects. Dickkopf-1 (Dkk1), the founding and best-studied member of the Dkk family, functions as an antagonist of canonical Wnt/β-catenin. Dkk1 is considered to play a broad role in a variety of biological processes, but its effects on Dox-induced cardiomyopathy are poorly understood. Here, we found that the level of Dkk1 was significantly increased in Dox-treated groups, and this increase exacerbated Dox-induced cardiomyocyte apoptosis and mitochondrial dysfunction. Overexpressing Dkk1 aggravated Dox-induced cardiotoxicity in H9C2 cells. Similar results were detected when adding active Dkk1 protein extracellularly. Conversely, adding specific antibody blocking extracellular Dkk1 attenuated the cardiotoxic response to Dox. Adenovirus encoding Dkk1 was transduced through intramyocardial injection and exacerbated Dox-induced cardiomyocyte apoptosis, mitochondrial damage and heart injury in vivo Furthermore, Wnt/β-catenin signaling was inhibited during Dox-induced cardiotoxicity, and the re-activation of β-catenin prevented the effect of overexpressed Dkk1 and Dox-induced cardiotoxicity. In conclusion, these results reveal the crucial role of the Dkk1-Wnt/β-catenin signaling axis in the process of Dox-induced cardiotoxicity and provide novel insights into the potential mechanism of cardiomyopathy caused by clinical application of Dox.
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Affiliation(s)
- Liying Liang
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China.,Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Yalin Tu
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Jing Lu
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China .,Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Panxia Wang
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China.,Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Zhen Guo
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China.,Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Qianqian Wang
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China.,Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Kaiteng Guo
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China.,Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Rui Lan
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China.,Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Hong Li
- Department of Biochemistry and Molecular Biology, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, 510006, P. R. China
| | - Peiqing Liu
- Laboratory of Pharmacology and Toxicology, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China .,Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-sen University, Guangzhou 510006, P. R. China
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Fujita J, Tohyama S, Kishino Y, Okada M, Morita Y. Concise Review: Genetic and Epigenetic Regulation of Cardiac Differentiation from Human Pluripotent Stem Cells. Stem Cells 2019; 37:992-1002. [PMID: 31021504 DOI: 10.1002/stem.3027] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 04/15/2019] [Indexed: 12/28/2022]
Abstract
Human pluripotent stem cells (hPSCs), including both embryonic stem cells and induced pluripotent stem cells, are the ideal cell sources for disease modeling, drug discovery, and regenerative medicine. In particular, regenerative therapy with hPSC-derived cardiomyocytes (CMs) is an unmet medical need for the treatment of severe heart failure. Cardiac differentiation protocols from hPSCs are made on the basis of cardiac development in vivo. However, current protocols have yet to yield 100% pure CMs, and their maturity is low. Cardiac development is regulated by the cardiac gene network, including transcription factors (TFs). According to our current understanding of cardiac development, cardiac TFs are sequentially expressed during cardiac commitment in hPSCs. Expression levels of each gene are strictly regulated by epigenetic modifications. DNA methylation, histone modification, and noncoding RNAs significantly influence cardiac differentiation. These complex circuits of genetic and epigenetic factors dynamically affect protein expression and metabolic changes in cardiac differentiation and maturation. Here, we review cardiac differentiation protocols and their molecular machinery, closing with a discussion of the future challenges for producing hPSC-derived CMs. Stem Cells 2019;37:992-1002.
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Affiliation(s)
- Jun Fujita
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
| | - Shugo Tohyama
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
| | - Yoshikazu Kishino
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
| | - Marina Okada
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
| | - Yuika Morita
- Department of Cardiology, Keio University School of Medicine, Tokyo, Japan
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Haginiwa S, Sadahiro T, Kojima H, Isomi M, Tamura F, Kurotsu S, Tani H, Muraoka N, Miyake N, Miyake K, Fukuda K, Ieda M. Tbx6 induces cardiomyocyte proliferation in postnatal and adult mouse hearts. Biochem Biophys Res Commun 2019; 513:1041-1047. [PMID: 31010673 DOI: 10.1016/j.bbrc.2019.04.087] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 04/12/2019] [Indexed: 11/16/2022]
Abstract
Cardiovascular disease is a leading cause of death worldwide. Mammalian cardiomyocytes (CMs) proliferate during embryonic development, whereas they largely lose their regenerative capacity after birth. Defined factors expressed in cardiac progenitors or embryonic CMs may activate the cell cycle and induce CM proliferation in postnatal and adult hearts. Here, we report that the overexpression of Tbx6, enriched in the cardiac mesoderm (progenitor cells), induces CM proliferation in postnatal and adult mouse hearts. By screening 24 factors enriched in cardiac progenitors or embryonic CMs, we found that only Tbx6 could induce CM proliferation in primary cultured postnatal rat CMs. Intriguingly, it did not induce the proliferation of cardiac fibroblasts. We next generated a recombinant adeno-associated virus serotype 9 vector encoding Tbx6 (AAV9-Tbx6) for transduction into mouse CMs in vivo. The subcutaneous injection of AAV9-Tbx6 into neonatal mice induced CM proliferation in postnatal and adult mouse hearts. Mechanistically, Tbx6 overexpression upregulated multiple cell cycle activators including Aurkb, Mki67, Ccna1, and Ccnb2 and suppressed the tumor suppressor Rb1. Thus, Tbx6 promotes CM proliferation in postnatal and adult mouse hearts by modifying the expression of cell cycle regulators.
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Affiliation(s)
- Sho Haginiwa
- Department of Cardiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Taketaro Sadahiro
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennoudai, Tsukuba City, Ibaraki, 305-8575, Japan
| | - Hidenori Kojima
- Department of Cardiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Mari Isomi
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennoudai, Tsukuba City, Ibaraki, 305-8575, Japan
| | - Fumiya Tamura
- Department of Cardiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Shota Kurotsu
- Department of Cardiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Hidenori Tani
- Department of Cardiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Naoto Muraoka
- Department of Cardiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Noriko Miyake
- Department of Biochemistry and Molecular Biology, Division of Gene Therapy Research Center for Advanced Medical Technology, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, 113-8602, Japan
| | - Koichi Miyake
- Department of Biochemistry and Molecular Biology, Division of Gene Therapy Research Center for Advanced Medical Technology, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, 113-8602, Japan
| | - Keiichi Fukuda
- Department of Cardiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Masaki Ieda
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, 1-1-1, Tennoudai, Tsukuba City, Ibaraki, 305-8575, Japan.
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Wang M, Ling W, Xiong C, Xie D, Chu X, Li Y, Qiu X, Li Y, Xiao X. Potential Strategies for Cardiac Diseases: Lineage Reprogramming of Somatic Cells into Induced Cardiomyocytes. Cell Reprogram 2019; 21:63-77. [DOI: 10.1089/cell.2018.0052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Affiliation(s)
- Mingyu Wang
- Department of Animal Science, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Wenhui Ling
- Department of Animal Science, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Chunxia Xiong
- Department of Animal Science, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Dengfeng Xie
- Department of Animal Science, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Xinyue Chu
- Department of Animal Science, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Yunxin Li
- Department of Animal Science, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Xiaoyan Qiu
- Department of Animal Science, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Yuemin Li
- Department of Animal Science, College of Animal Science and Technology, Southwest University, Chongqing, China
| | - Xiong Xiao
- Department of Animal Science, College of Animal Science and Technology, Southwest University, Chongqing, China
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Xie H, Hong N, Zhang E, Li F, Sun K, Yu Y. Identification of Rare Copy Number Variants Associated With Pulmonary Atresia With Ventricular Septal Defect. Front Genet 2019; 10:15. [PMID: 30745907 PMCID: PMC6360179 DOI: 10.3389/fgene.2019.00015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 01/14/2019] [Indexed: 11/13/2022] Open
Abstract
Copy number variants (CNVs) are major variations contributing to the gene heterogeneity of congenital heart diseases (CHD). pulmonary atresia with ventricular septal defect (PA-VSD) is a rare form of cyanotic CHD characterized by complex manifestations and the genetic determinants underlying PA-VSD are still largely unknown. We investigated rare CNVs in a recruited cohort of 100 unrelated patients with PA-VSD, PA-IVS, or TOF and a population-matched control cohort of 100 healthy children using whole-exome sequencing. Comparing rare CNVs in PA-VSD cases and that in PA-IVS or TOF positive controls, we observed twenty-two rare CNVs only in PA-VSD, five rare CNVs only in PA-VSD and TOF as well as thirteen rare CNVs only in PA-VSD and PA-IVS. Six of these CNVs were considered pathogenic or potentially pathogenic to PA-VSD: 16p11.2 del (PPP4C and TBX6), 5q35.3 del (FLT4), 5p13.1 del (RICTOR), 6p21.33 dup (TNXB), 7p15.2 del (HNRNPA2B1), and 19p13.3 dup (FGF22). The gene networks showed that four putative candidate genes for PA-VSD, PPP4C, FLT4, RICTOR, and FGF22 had strong interaction with well-known cardiac genes relevant to heart or blood vessel development. Meanwhile, the analysis of transcriptome array revealed that PPP4C and RICTOR were also significantly expressed in human embryonic heart. In conclusion, three rare novel CNVs were identified only in PA-VSD: 16p11.2 del (PPP4C), 5q35.3 del (FLT4) and 5p13.1 del (RICTOR), implicating novel candidate genes of interest for PA-VSD. Our study provided new insights into understanding for the pathogenesis of PA-VSD and helped elucidate critical genes for PA-VSD.
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Affiliation(s)
- Huilin Xie
- Department of Pediatric Cardiology, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Nanchao Hong
- Department of Pediatric Cardiology, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Erge Zhang
- Department of Pediatric Cardiology, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Fen Li
- Department of Pediatric Cardiology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Kun Sun
- Department of Pediatric Cardiology, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Yu Yu
- Department of Pediatric Cardiology, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Darwish M, Nishizono H, Uosaki H, Sawada H, Sadahiro T, Ieda M, Takao K. Rapid and high-efficient generation of mutant mice using freeze-thawed embryos of the C57BL/6J strain. J Neurosci Methods 2019; 317:149-156. [PMID: 30684509 DOI: 10.1016/j.jneumeth.2019.01.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 01/17/2019] [Accepted: 01/17/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND The CRISPR/Cas9 technique has undergone many modifications to decrease the effort and shorten the time needed for efficient production of mutant mice. The use of fresh embryos consumes time and effort during oocytes preparation and fertilization before every experiment, and freeze-thawed embryos overcome this limitation. However, cryopreservation of 1-cell embryos is challenging. NEW METHOD We introduce a protocol that combines a modified method for cryopreserving 1-cell C57BL/6J embryos with optimized electroporation conditions that were used to deliver CRISPR reagents into embryos, 1 h after thawing. RESULTS Freeze-thawed 1-cell embryos showed similar survival rates and surprisingly high developmental rates compared to fresh embryos. Using our protocol, we generated several lines of mutant mice: knockout mice via non-homologous end joining (NHEJ) and knock-in mice via homology-directed repair (HDR) with high-efficient mutation rates (100%, 75% respectively) and a low mosaic rate within 4 weeks. COMPARISON WITH EXISTING METHOD (S) Our protocol associates the use of freeze-thawed embryos from an inbred strain and electroporation, and can be performed by laboratory personnel with basic training in embryo manipulation to generate mutant mice within short time periods. CONCLUSION We developed a simple, economic, and robust protocol facilitating the generation of genetically modified mice, bypassing the need of backcrossing, with a high efficiency and a low mosaic rate. It makes the preparation of mouse models of human diseases a simple task with unprecedented ease, pace, and efficiency.
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Affiliation(s)
- Mohamed Darwish
- Graduate School of Innovative Life Science, University of Toyama, Toyama, 930-0194, Japan; Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, 11562 Egypt
| | - Hirofumi Nishizono
- Life Science Research Center, University of Toyama, Toyama, 930-0194, Japan.
| | - Hideki Uosaki
- Division of Regenerative Medicine, Centear for Molecular Medicine, Jichi Medical University, Tochigi, Japan
| | - Hitomi Sawada
- Life Science Research Center, University of Toyama, Toyama, 930-0194, Japan
| | - Taketaro Sadahiro
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Masaki Ieda
- Department of Cardiology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Keizo Takao
- Graduate School of Innovative Life Science, University of Toyama, Toyama, 930-0194, Japan; Life Science Research Center, University of Toyama, Toyama, 930-0194, Japan
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Sampaolesi M, Pozzo E, Duelen R. In the heart of the in vivo reprogramming. Stem Cell Investig 2018; 5:38. [PMID: 30498749 DOI: 10.21037/sci.2018.10.03] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 10/09/2018] [Indexed: 01/14/2023]
Affiliation(s)
- Maurilio Sampaolesi
- Translational Cardiomyology Laboratory, Stem Cell Biology and Embryology Unit, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium.,Human Anatomy Unit, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy
| | - Enrico Pozzo
- Translational Cardiomyology Laboratory, Stem Cell Biology and Embryology Unit, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
| | - Robin Duelen
- Translational Cardiomyology Laboratory, Stem Cell Biology and Embryology Unit, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
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