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Simpson L, Strange A, Klisch D, Kraunsoe S, Azami T, Goszczynski D, Le Minh T, Planells B, Holmes N, Sang F, Henson S, Loose M, Nichols J, Alberio R. A single-cell atlas of pig gastrulation as a resource for comparative embryology. Nat Commun 2024; 15:5210. [PMID: 38890321 PMCID: PMC11189408 DOI: 10.1038/s41467-024-49407-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 06/04/2024] [Indexed: 06/20/2024] Open
Abstract
Cell-fate decisions during mammalian gastrulation are poorly understood outside of rodent embryos. The embryonic disc of pig embryos mirrors humans, making them a useful proxy for studying gastrulation. Here we present a single-cell transcriptomic atlas of pig gastrulation, revealing cell-fate emergence dynamics, as well as conserved and divergent gene programs governing early porcine, primate, and murine development. We highlight heterochronicity in extraembryonic cell-types, despite the broad conservation of cell-type-specific transcriptional programs. We apply these findings in combination with functional investigations, to outline conserved spatial, molecular, and temporal events during definitive endoderm specification. We find early FOXA2 + /TBXT- embryonic disc cells directly form definitive endoderm, contrasting later-emerging FOXA2/TBXT+ node/notochord progenitors. Unlike mesoderm, none of these progenitors undergo epithelial-to-mesenchymal transition. Endoderm/Node fate hinges on balanced WNT and hypoblast-derived NODAL, which is extinguished upon endodermal differentiation. These findings emphasise the interplay between temporal and topological signalling in fate determination during gastrulation.
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Affiliation(s)
- Luke Simpson
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Nottingham, LE12 5RD, UK
| | - Andrew Strange
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Nottingham, LE12 5RD, UK
| | - Doris Klisch
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Nottingham, LE12 5RD, UK
| | - Sophie Kraunsoe
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Nottingham, LE12 5RD, UK
- The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Takuya Azami
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Western General Hospital, Crewe Road South, Edinburgh, EH4 2XU, UK
| | - Daniel Goszczynski
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Nottingham, LE12 5RD, UK
| | - Triet Le Minh
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Nottingham, LE12 5RD, UK
| | - Benjamin Planells
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Nottingham, LE12 5RD, UK
| | - Nadine Holmes
- School of Life Sciences, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Fei Sang
- School of Life Sciences, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Sonal Henson
- School of Life Sciences, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Matthew Loose
- School of Life Sciences, University of Nottingham, Nottingham, NG7 2RD, UK
| | - Jennifer Nichols
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Western General Hospital, Crewe Road South, Edinburgh, EH4 2XU, UK
| | - Ramiro Alberio
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Nottingham, LE12 5RD, UK.
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2
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Oikonomou P, Calvary L, Cirne HC, Welch AE, Durel JF, Powell O, Nerurkar NL. Application of tissue-scale tension to avian epithelia in vivo to study multiscale mechanical properties and inter-germ layer coupling. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.04.588089. [PMID: 38617324 PMCID: PMC11014599 DOI: 10.1101/2024.04.04.588089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
As cross-disciplinary approaches drawing from physics and mechanics have increasingly influenced our understanding of morphogenesis, the tools available to measure and perturb physical aspects of embryonic development have expanded as well. However, it remains a challenge to measure mechanical properties and apply exogenous tissue-scale forces in vivo, particularly for epithelia. Exploiting the size and accessibility of the developing chick embryo, here we describe a simple technique to quantitatively apply exogenous forces on the order of ~1-100 μN to the endodermal epithelium. To demonstrate the utility of this approach, we performed a series of proof-of-concept experiments that reveal fundamental and unexpected mechanical behaviors in the early chick embryo, including mechanotype heterogeneity among cells of the midgut endoderm, complex non-cell autonomous effects of actin disruption, and a high degree of mechanical coupling between the endoderm and adjacent paraxial mesoderm. To illustrate the broader utility of this method, we determined that forces on the order of ~ 10 μN are sufficient to unzip the neural tube during primary neurulation. Together, these findings provide basic insights into the mechanics of embryonic epithelia in vivo in the early avian embryo, and provide a useful tool for future investigations of how morphogenesis is influenced by mechanical factors.
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Affiliation(s)
| | - Lisa Calvary
- Department of Biomedical Engineering, Columbia University, New York NY 10027
| | - Helena C. Cirne
- Department of Biomedical Engineering, Columbia University, New York NY 10027
| | - Andreas E. Welch
- Department of Biomedical Engineering, Columbia University, New York NY 10027
| | - John F. Durel
- Department of Biomedical Engineering, Columbia University, New York NY 10027
| | - Olivia Powell
- Department of Biomedical Engineering, Columbia University, New York NY 10027
| | - Nandan L. Nerurkar
- Department of Biomedical Engineering, Columbia University, New York NY 10027
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3
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Simpson L, Alberio R. Interspecies control of development during mammalian gastrulation. Emerg Top Life Sci 2023; 7:397-408. [PMID: 37933589 PMCID: PMC10754326 DOI: 10.1042/etls20230083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/19/2023] [Accepted: 10/23/2023] [Indexed: 11/08/2023]
Abstract
Gastrulation represents a pivotal phase of development and aberrations during this period can have major consequences, from minor anatomical deviations to severe congenital defects. Animal models are used to study gastrulation, however, there is considerable morphological and molecular diversity of gastrula across mammalian species. Here, we provide an overview of the latest research on interspecies developmental control across mammals. This includes single-cell atlases of several mammalian gastrula which have enabled comparisons of the temporal and molecular dynamics of differentiation. These studies highlight conserved cell differentiation regulators and both absolute and relative differences in differentiation dynamics between species. Recent advances in in vitro culture techniques have facilitated the derivation, maintenance and differentiation of cell lines from a range of species and the creation of multi-species models of gastrulation. Gastruloids are three-dimensional aggregates capable of self-organising and recapitulating aspects of gastrulation. Such models enable species comparisons outside the confines of the embryo. We highlight recent in vitro evidence that differentiation processes such as somitogenesis and neuronal maturation scale with known in vivo differences in developmental tempo across species. This scaling is likely due to intrinsic differences in cell biochemistry. We also highlight several studies which provide examples of cell differentiation dynamics being influenced by extrinsic factors, including culture conditions, chimeric co-culture, and xenotransplantation. These collective studies underscore the complexity of gastrulation across species, highlighting the necessity of additional datasets and studies to decipher the intricate balance between intrinsic cellular programs and extrinsic signals in shaping embryogenesis.
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Affiliation(s)
- Luke Simpson
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, U.K
| | - Ramiro Alberio
- School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, U.K
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4
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Melig G, Nobuhisa I, Saito K, Tsukahara R, Itabashi A, Kanai Y, Kanai-Azuma M, Osawa M, Oshima M, Iwama A, Taga T. A Sox17 downstream gene Rasip1 is involved in the hematopoietic activity of intra-aortic hematopoietic clusters in the midgestation mouse embryo. Inflamm Regen 2023; 43:41. [PMID: 37553580 PMCID: PMC10408172 DOI: 10.1186/s41232-023-00292-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 07/13/2023] [Indexed: 08/10/2023] Open
Abstract
BACKGROUND During mouse embryonic development, definitive hematopoiesis is first detected around embryonic day (E) 10.5 in the aorta-gonad-mesonephros (AGM) region. Hematopoietic stem cells (HSCs) arise in the dorsal aorta's intra-aortic hematopoietic cell clusters (IAHCs). We have previously reported that a transcription factor Sox17 is expressed in IAHCs, and that, among them, CD45lowc-Kithigh cells have high hematopoietic activity. Furthermore, forced expression of Sox17 in this population of cells can maintain the formation of hematopoietic cell clusters. However, how Sox17 does so, particularly downstream signaling involved, remains poorly understood. The purpose of this study is to search for new Sox17 targets which contribute to cluster formation with hematopoietic activity. METHODS RNA-sequencing (RNA-seq) analysis was done to identify genes that are upregulated in Sox17-expressing IAHCs as compared with Sox17-negative ones. Among the top 7 highly expressed genes, Rasip1 which had been reported to be a vascular-specific regulator was focused on in this study, and firstly, the whole-mount immunostaining was done. We conducted luciferase reporter assay and chromatin immunoprecipitation (ChIP) assay to examine whether Sox17 regulates Rasip1 gene expression via binding to its enhancer element. We also analyzed the cluster formation and the multilineage colony-forming ability of Rasip1-transduced cells and Rasip1-knockdown Sox17-transduced cells. RESULTS The increase of the Rasip1 expression level was observed in Sox17-positive CD45lowc-Kithigh cells as compared with the Sox17-nonexpressing control. Also, the expression level of the Rasip1 gene was increased by the Sox17-nuclear translocation. Rasip1 was expressed on the membrane of IAHCs, overlapping with the endothelial cell marker, CD31, and hematopoietic stem/progenitor marker (HSPC), c-Kit. Rasip1 expression was observed in most part of c-Kit+Sox17+ cells in IAHCs. Luciferase reporter assay and ChIP assay indicated that one of the five putative Sox17-binding sites in the Rasip1 enhancer region was important for Rasip1 expression via Sox17 binding. Rasip1 knockdown in Sox17-transduced cells decreased the cluster formation and diminished the colony-forming ability, while overexpression of Rasip1 in CD45lowc-Kithigh cells led to a significant but transient increase in hematopoietic activity. CONCLUSIONS Rasip1 knockdown in Sox17-transduced CD45lowc-Kithigh cells displayed a significant decrease in the multilineage colony-forming ability and the cluster size. Rasip1 overexpression in Sox17-untransduced CD45lowc-Kithigh cells led to a significant but transient increase in the multilineage colony-forming ability, suggesting the presence of a cooperating factor for sustained hematopoietic activity.
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Grants
- 26440118 the Ministry of Education, Culture, Sports, Science and Technology of Japan
- 18K06249 the Ministry of Education, Culture, Sports, Science and Technology of Japan
- 22130008 the Ministry of Education, Culture, Sports, Science and Technology of Japan
- 15H04292 the Ministry of Education, Culture, Sports, Science and Technology of Japan
- 18H02678 the Ministry of Education, Culture, Sports, Science and Technology of Japan
- H26-A39 Nanken-Kyoten, TMDU
- H27-A35 Nanken-Kyoten, TMDU
- H28-A11 Nanken-Kyoten, TMDU
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Affiliation(s)
- Gerel Melig
- Department of Stem Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Ikuo Nobuhisa
- Department of Stem Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan.
- Department of Nutritional Sciences, Faculty of Nutritional Sciences, Nakamura Gakuen University, 5-7-1, Befu, Jonan-Ku, Fukuoka, 814-0198, Japan.
| | - Kiyoka Saito
- Department of Stem Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Ryota Tsukahara
- Department of Stem Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Ayumi Itabashi
- Department of Stem Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Yoshiakira Kanai
- Department of Veterinary Anatomy, Graduate School of Agricultural and Life Science, University of Tokyo, 1-1-1, Yayoi, Bunkyo-Ku, Tokyo, 113-8567, Japan
| | - Masami Kanai-Azuma
- Department of Experimental Animal Model for Human Disease, Center for Experimental Animals, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan
| | - Mitsujiro Osawa
- Department of Clinical Application, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, 606-8507, Japan
| | - Motohiko Oshima
- Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-Ku, Tokyo, 108-8039, Japan
| | - Atsushi Iwama
- Division of Stem Cell and Molecular Medicine, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-Ku, Tokyo, 108-8039, Japan
| | - Tetsuya Taga
- Department of Stem Cell Regulation, Medical Research Institute, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8510, Japan.
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5
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Wong YF, Kumar Y, Proks M, Herrera JAR, Rothová MM, Monteiro RS, Pozzi S, Jennings RE, Hanley NA, Bickmore WA, Brickman JM. Expansion of ventral foregut is linked to changes in the enhancer landscape for organ-specific differentiation. Nat Cell Biol 2023; 25:481-492. [PMID: 36690849 PMCID: PMC10014581 DOI: 10.1038/s41556-022-01075-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 12/14/2022] [Indexed: 01/24/2023]
Abstract
Cell proliferation is fundamental for almost all stages of development and differentiation that require an increase in cell number. Although cell cycle phase has been associated with differentiation, the actual process of proliferation has not been considered as having a specific role. Here we exploit human embryonic stem cell-derived endodermal progenitors that we find are an in vitro model for the ventral foregut. These cells exhibit expansion-dependent increases in differentiation efficiency to pancreatic progenitors that are linked to organ-specific enhancer priming at the level of chromatin accessibility and the decommissioning of lineage-inappropriate enhancers. Our findings suggest that cell proliferation in embryonic development is about more than tissue expansion; it is required to ensure equilibration of gene regulatory networks allowing cells to become primed for future differentiation. Expansion of lineage-specific intermediates may therefore be an important step in achieving high-fidelity in vitro differentiation.
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Affiliation(s)
- Yan Fung Wong
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, Copenhagen, Denmark
| | - Yatendra Kumar
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK
| | - Martin Proks
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, Copenhagen, Denmark
| | - Jose Alejandro Romero Herrera
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, Copenhagen, Denmark
- Center for Health Data Science, University of Copenhagen, Copenhagen, Denmark
| | - Michaela Mrugala Rothová
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, Copenhagen, Denmark
| | - Rita S Monteiro
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, Copenhagen, Denmark
| | - Sara Pozzi
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, Copenhagen, Denmark
| | - Rachel E Jennings
- Faculty of Biology, Medicine & Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Neil A Hanley
- Faculty of Biology, Medicine & Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - Wendy A Bickmore
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, UK.
| | - Joshua M Brickman
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, Copenhagen, Denmark.
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6
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Montané-Romero ME, Martínez-Silva AV, Poot-Hernández AC, Escalante-Alcalde D. Plpp3, a novel regulator of pluripotency exit and endodermal differentiation of mouse embryonic stem cells. Biol Open 2023; 12:285908. [PMID: 36504260 PMCID: PMC9867895 DOI: 10.1242/bio.059665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 12/02/2022] [Indexed: 12/14/2022] Open
Abstract
In recent decades, study of the actions of bioactive lipids such as lysophosphatidic acid (LPA) and sphingosine-1-phosphate (S1P) has increased since they are involved in regulating many processes, including self-renewal of embryonic stem cells, embryo development and cancer. Phospholipid phosphatase type 3 (PLPP3) has been shown to be a key player in regulating the balance of these lipids and, in consequence, their signaling. Different lines of evidence suggest that PLPP3 could play a role in endoderm development. To approach this hypothesis, we used mouse embryonic stem cells (ESC) as a model to study Plpp3 function in self-renewal and the transition towards differentiation. We found that lack of PLPP3 mainly affects endoderm formation during differentiation of suspension-formed embryoid bodies. PLPP3-deficient ESC strongly decrease the amount of FOXA2-expressing cells and fail to properly downregulate the expression of pluripotency factors when subjected to an endoderm-directed differentiation protocol. Impaired endoderm differentiation correlated with a transient reduction in nuclear localization of YAP1. These phenotypes were rescued by transiently restoring the expression of catalytically active hPLPP3. In conclusion, PLPP3 plays a role in downregulating pluripotency-associated factors and in endodermal differentiation. PLPP3 regulates proper lipid/YAP1 signaling required for endodermal differentiation.
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Affiliation(s)
- Martha E. Montané-Romero
- Instituto de Fisiología Celular, División de Neurociencias, Universidad Nacional Autónoma de México, Ciudad de México C.P. 04510, México
| | - Ana V. Martínez-Silva
- Instituto de Fisiología Celular, División de Neurociencias, Universidad Nacional Autónoma de México, Ciudad de México C.P. 04510, México
| | - Augusto C. Poot-Hernández
- Unidad de Bioinformática y Manejo de la Información, Universidad Nacional Autónoma de México, Ciudad de México C.P. 04510, México
| | - Diana Escalante-Alcalde
- Instituto de Fisiología Celular, División de Neurociencias, Universidad Nacional Autónoma de México, Ciudad de México C.P. 04510, México,Author for correspondence ()
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7
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The Effects of Co-Culture of Embryonic Stem Cells with Neural Stem Cells on Differentiation. Curr Issues Mol Biol 2022; 44:6104-6116. [PMID: 36547077 PMCID: PMC9776753 DOI: 10.3390/cimb44120416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/02/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
Researching the technology for in vitro differentiation of embryonic stem cells (ESCs) into neural lineages is very important in developmental biology, regenerative medicine, and cell therapy. Thus, studies on in vitro differentiation of ESCs into neural lineages by co-culture are expected to improve our understanding of this process. A co-culture system has long been used to study interactions between cell populations, improve culture efficiency, and establish synthetic interactions between populations. In this study, we investigated the effect of a co-culture of ESCs with neural stem cells (NSCs) in two-dimensional (2D) or three-dimensional (3D) culture conditions. Furthermore, we examined the effect of an NSC-derived conditioned medium (CM) on ESC differentiation. OG2-ESCs lost the specific morphology of colonies and Oct4-GFP when co-cultured with NSC. Additionally, real-time PCR analysis showed that ESCs co-cultured with NSCs expressed higher levels of ectoderm markers Pax6 and Sox1 under both co-culture conditions. However, the differentiation efficiency of CM was lower than that of the non-conditioned medium. Collectively, our results show that co-culture with NSCs promotes the differentiation of ESCs into the ectoderm.
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8
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Puscheck EE, Ruden X, Singh A, Abdulhasan M, Ruden DM, Awonuga AO, Rappolee DA. Using high throughput screens to predict miscarriages with placental stem cells and long-term stress effects with embryonic stem cells. Birth Defects Res 2022; 114:1014-1036. [PMID: 35979652 PMCID: PMC10108263 DOI: 10.1002/bdr2.2079] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 11/10/2022]
Abstract
A problem in developmental toxicology is the massive loss of life from fertilization through gastrulation, and the surprising lack of knowledge of causes of miscarriage. Half to two-thirds of embryos are lost, and environmental and genetic causes are nearly equal. Simply put, it can be inferred that this is a difficult period for normal embryos, but that environmental stresses may cause homeostatic responses that move from adaptive to maladaptive with increasing exposures. At the lower 50% estimate, miscarriage causes greater loss-of-life than all cancers combined or of all cardio- and cerebral-vascular accidents combined. Surprisingly, we do not know if miscarriage rates are increasing or decreasing. Overshadowed by the magnitude of miscarriages, are insufficient data on teratogenic or epigenetic imbalances in surviving embryos and their stem cells. Superimposed on the difficult normal trajectory for peri-gastrulation embryos are added malnutrition, hormonal, and environmental stresses. An overarching hypothesis is that high throughput screens (HTS) using cultured viable reporter embryonic and placental stem cells (e.g., embryonic stem cells [ESC] and trophoblast stem cells [TSC] that report status using fluorescent reporters in living cells) from the pre-gastrulation embryo will most rapidly test a range of hormonal, environmental, nutritional, drug, and diet supplement stresses that decrease stem cell proliferation and imbalance stemness/differentiation. A second hypothesis is that TSC respond with greater sensitivity in magnitude to stress that would cause miscarriage, but ESC are stress-resistant to irreversible stemness loss and are best used to predict long-term health defects. DevTox testing needs more ESC and TSC HTS to model environmental stresses leading to miscarriage or teratogenesis and more research on epidemiology of stress and miscarriage. This endeavor also requires a shift in emphasis on pre- and early gastrulation events during the difficult period of maximum loss by miscarriage.
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Affiliation(s)
- Elizabeth E Puscheck
- CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan, USA
- Reproductive Stress 3M Inc, Grosse Pointe Farms, Michigan, USA
- Invia Fertility Clinics, Hoffman Estates, Illinois, USA
| | - Ximena Ruden
- CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Aditi Singh
- CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan, USA
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Mohammed Abdulhasan
- CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan, USA
- Reproductive Stress 3M Inc, Grosse Pointe Farms, Michigan, USA
| | - Douglas M Ruden
- CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan, USA
- Invia Fertility Clinics, Hoffman Estates, Illinois, USA
- Institute for Environmental Health Science, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Awoniyi O Awonuga
- CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan, USA
| | - Daniel A Rappolee
- CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan, USA
- Reproductive Stress 3M Inc, Grosse Pointe Farms, Michigan, USA
- Invia Fertility Clinics, Hoffman Estates, Illinois, USA
- Institute for Environmental Health Science, Wayne State University School of Medicine, Detroit, Michigan, USA
- Program for Reproductive Sciences and Department of Physiology, Wayne State University School of Medicine, Detroit, Michigan, USA
- Department of Biology, University of Windsor, Windsor, Ontario, Canada
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9
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Copeland KM, Brazile BL, Butler JR, Cooley J, Brinkman-Ferguson E, Claude A, Lin S, Rais-Rohani S, Welch B, McMahan SR, Nguyen KT, Hong Y, Ramaswamy S, Liu ZP, Bajona P, Peltz M, Liao J. Investigating the Transient Regenerative Potential of Cardiac Muscle Using a Neonatal Pig Partial Apical Resection Model. Bioengineering (Basel) 2022; 9:401. [PMID: 36004926 PMCID: PMC9404987 DOI: 10.3390/bioengineering9080401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 06/16/2022] [Accepted: 08/16/2022] [Indexed: 11/17/2022] Open
Abstract
Researchers have shown that adult zebrafish have the potential to regenerate 20% of the ventricular muscle within two months of apex resection, and neonatal mice have the capacity to regenerate their heart after apex resection up until day 7 after birth. The goal of this study was to determine if large mammals (porcine heart model) have the capability to fully regenerate a resected portion of the left ventricular apex during the neonatal stage, and if so, how long the regenerative potential persists. A total of 36 piglets were divided into the following groups: 0-day control and surgical groups and seven-day control and surgical groups. For the apex removal groups, each piglet was subjected to a partial wall thickness resection (~30% of the ventricular wall thickness). Heart muscle function was assessed via transthoracic echocardiograms; the seven-day surgery group experienced a decrease in ejection fraction and fractional shortening. Upon gross necropsy, for piglets euthanized four weeks post-surgery, all 0-day-old hearts showed no signs of scarring or any indication of the induced injury. Histological analysis confirmed that piglets in the 0-day surgery group exhibited various degrees of regeneration, with half of the piglets showing full regeneration and the other half showing partial regeneration. However, each piglet in the seven-day surgery group demonstrated epicardial fibrosis along with moderate to severe dissecting interstitial fibrosis, which was accompanied by an abundant collagenous extracellular matrix as the result of a scar formation in the resection site. Histology of one 0-day apex resection piglet (briefly lain on and accidentally killed by the mother sow three days post-surgery) revealed dense, proliferative mesenchymal cells bordering the fibrin and hemorrhage zone and differentiating toward immature cardiomyocytes. We further examined the heart explants at 5-days post-surgery (5D PO) and 1-week post-surgery (1W PO) to assess the repair progression. For the 0-day surgery piglets euthanized at 5D PO and 1W PO, half had abundant proliferating mesenchymal cells, suggesting active regeneration, while the other half showed increased extracellular collagen. The seven-day surgery piglets euthanized at 5D PO, and 1W PO showed evidence of greatly increased extracellular collagen, while some piglets had proliferating mesenchymal cells, suggesting a regenerative effort is ongoing while scar formation seems to predominate. In short, our qualitative findings suggest that the piglets lose the full myocardial regenerative potential by 7 days after birth, but greatly preserve the regenerative potential within 1 day post-partum.
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Affiliation(s)
- Katherine M. Copeland
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
| | - Bryn L. Brazile
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - J. Ryan Butler
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Jim Cooley
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Erin Brinkman-Ferguson
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Andrew Claude
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Sallie Lin
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Sammira Rais-Rohani
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Bradley Welch
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Sara R. McMahan
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
| | - Kytai T. Nguyen
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
| | - Yi Hong
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
| | - Sharan Ramaswamy
- Department of Biomedical Engineering, Florida International University, Miami, FL 33174, USA
| | - Zhi-Ping Liu
- Department of Cardiovascular and Thoracic Surgery, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Pietro Bajona
- Department of Cardiovascular and Thoracic Surgery, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Allegheny Health Network-Drexel University College of Medicine, Pittsburgh, PA 15212, USA
| | - Matthias Peltz
- Department of Cardiovascular and Thoracic Surgery, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Jun Liao
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
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10
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Identification of the central intermediate in the extra-embryonic to embryonic endoderm transition through single-cell transcriptomics. Nat Cell Biol 2022; 24:833-844. [PMID: 35681011 DOI: 10.1038/s41556-022-00923-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 04/22/2022] [Indexed: 12/26/2022]
Abstract
High-resolution maps of embryonic development suggest that acquisition of cell identity is not limited to canonical germ layers but proceeds via alternative routes. Despite evidence that visceral organs are formed via embryonic and extra-embryonic trajectories, the production of organ-specific cell types in vitro focuses on the embryonic one. Here we resolve these differentiation routes using massively parallel single-cell RNA sequencing to generate datasets from FOXA2Venus reporter mouse embryos and embryonic stem cell differentiation towards endoderm. To relate cell types in these datasets, we develop a single-parameter computational approach and identify an intermediate en route from extra-embryonic identity to embryonic endoderm, which we localize spatially in embryos at embryonic day 7.5. While there is little evidence for this cell type in embryonic stem cell differentiation, by following the extra-embryonic trajectory starting with naïve extra-embryonic endoderm stem cells we can generate embryonic gut spheroids. Exploiting developmental plasticity therefore offers alternatives to pluripotent cells and opens alternative avenues for in vitro differentiation.
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11
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Pour M, Kumar AS, Farag N, Bolondi A, Kretzmer H, Walther M, Wittler L, Meissner A, Nachman I. Emergence and patterning dynamics of mouse-definitive endoderm. iScience 2022; 25:103556. [PMID: 34988400 PMCID: PMC8693470 DOI: 10.1016/j.isci.2021.103556] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 10/21/2021] [Accepted: 12/01/2021] [Indexed: 11/30/2022] Open
Abstract
The segregation of definitive endoderm (DE) from bipotent mesendoderm progenitors leads to the formation of two distinct germ layers. Dissecting DE commitment and onset has been challenging as it occurs within a narrow spatiotemporal window in the embryo. Here, we employ a dual Bra/Sox17 reporter cell line to study DE onset dynamics. We find Sox17 expression initiates in vivo in isolated cells within a temporally restricted window. In 2D and 3D in vitro models, DE cells emerge from mesendoderm progenitors at a temporally regular, but spatially stochastic pattern, which is subsequently arranged by self-sorting of Sox17 + cells. A subpopulation of Bra-high cells commits to a Sox17+ fate independent of external Wnt signal. Self-sorting coincides with upregulation of E-cadherin but is not necessary for DE differentiation or proliferation. Our in vivo and in vitro results highlight basic rules governing DE onset and patterning through the commonalities and differences between these systems. Sox17 onsets in a few isolated cells within Bra-expressing population Sox17 onset followed by expansion and self-sorting Final number of Sox17+ cells does not depend on self-sorting or cell movement The DE segregation pattern is similar in in vivo and in 2D, 3D in vitro systems
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Affiliation(s)
- Maayan Pour
- School of Neurobiology, Biochemistry and Biophysics, Department of Biochemistry and Molecular Biology, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Abhishek Sampath Kumar
- Department of Genome Regulation, Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Naama Farag
- School of Neurobiology, Biochemistry and Biophysics, Department of Biochemistry and Molecular Biology, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Adriano Bolondi
- Department of Genome Regulation, Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Helene Kretzmer
- Department of Genome Regulation, Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Maria Walther
- Department of Genome Regulation, Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Lars Wittler
- Department of Developmental Genetics, Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany
| | - Alexander Meissner
- Department of Genome Regulation, Max Planck Institute for Molecular Genetics, 14195 Berlin, Germany.,Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA 02138, USA.,Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Iftach Nachman
- School of Neurobiology, Biochemistry and Biophysics, Department of Biochemistry and Molecular Biology, Tel Aviv University, Tel Aviv 6997801, Israel
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12
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Kondoh H, Fujii M. Definitive Endoderm from EpiSC Aggregates in Matrigel. Methods Mol Biol 2022; 2490:205-212. [PMID: 35486248 DOI: 10.1007/978-1-0716-2281-0_15] [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] [Indexed: 06/14/2023]
Abstract
This chapter describes the protocol to derive definitive endoderm cells from epiblast stem cells (EpiSCs) via a process analogous to gastrulation in embryos. The basis of this protocol mimicking the in vivo gastrulation process makes a contrast with those using sequential administration of pharmacological molecules and recombinant signaling proteins even at nonphysiological levels. In the experimental setup, EpiSCs are first freed from the dish-adherent condition to form free-floating aggregates, where endoderm precursor pools are produced. Embedding the EpiSC aggregates in the Matrigel allows the endoderm precursors to interact with the Matrigel mimicking the laminin-rich basement membrane underlying the egg cylinder epiblast in embryos, and let the precursors migrate into the Matrigel-filled external zone and develop into endodermal epithelial tissues.
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Affiliation(s)
- Hisato Kondoh
- Biohistory Research Hall, Takatsuki, Osaka, Japan.
- Institute for Comprehensive Research Kyoto Sangyo University, Kyoto, Japan.
| | - Mai Fujii
- Graduate School of Biosciences, Kyoto Sangyo University, Kyoto, Japan
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13
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Abdulhasan M, Ruden X, Rappolee B, Dutta S, Gurdziel K, Ruden DM, Awonuga AO, Korzeniewski SJ, Puscheck EE, Rappolee DA. Stress Decreases Host Viral Resistance and Increases Covid Susceptibility in Embryonic Stem Cells. Stem Cell Rev Rep 2021; 17:2164-2177. [PMID: 34155611 PMCID: PMC8216586 DOI: 10.1007/s12015-021-10188-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/13/2021] [Indexed: 12/13/2022]
Abstract
Stress-induced changes in viral receptor and susceptibility gene expression were measured in embryonic stem cells (ESC) and differentiated progeny. Rex1 promoter-Red Fluorescence Protein reporter ESC were tested by RNAseq after 72hr exposures to control stress hyperosmotic sorbitol under stemness culture (NS) to quantify stress-forced differentiation (SFD) transcriptomic programs. Control ESC cultured with stemness factor removal produced normal differentiation (ND). Bulk RNAseq transcriptomic analysis showed significant upregulation of two genes involved in Covid-19 cell uptake, Vimentin (VIM) and Transmembrane Serine Protease 2 (TMPRSS2). SFD increased the hepatitis A virus receptor (Havcr1) and the transplacental Herpes simplex 1 (HSV1) virus receptor (Pvrl1) compared with ESC undergoing ND. Several other coronavirus receptors, Glutamyl Aminopeptidase (ENPEP) and Dipeptidyl Peptidase 4 (DPP4) were upregulated significantly in SFD>ND. Although stressed ESC are more susceptible to infection due to increased expression of viral receptors and decreased resistance, the necessary Covid-19 receptor, angiotensin converting enzyme (ACE)2, was not expressed in our experiments. TMPRSS2, ENPEP, and DPP4 mediate Coronavirus uptake, but are also markers of extra-embryonic endoderm (XEN), which arise from ESC undergoing ND or SFD. Mouse and human ESCs differentiated to XEN increase TMPRSS2 and other Covid-19 uptake-mediating gene expression, but only some lines express ACE2. Covid-19 susceptibility appears to be genotype-specific and not ubiquitous. Of the 30 gene ontology (GO) groups for viral susceptibility, 15 underwent significant stress-forced changes. Of these, 4 GO groups mediated negative viral regulation and most genes in these increase in ND and decrease with SFD, thus suggesting that stress increases ESC viral susceptibility. Taken together, the data suggest that a control hyperosmotic stress can increase Covid-19 susceptibility and decrease viral host resistance in mouse ESC. However, this limited pilot study should be followed with studies in human ESC, tests of environmental, hormonal, and pharmaceutical stressors and direct tests for infection of stressed, cultured ESC and embryos by Covid-19.
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Affiliation(s)
- Mohammed Abdulhasan
- Department of Ob/Gyn, Reproductive Endocrinology and Infertility, CS Mott Center for Human Growth and Development, WayneState UniversitySchoolofMedicine, Detroit, Michigan, 48201, USA
- Reproductive Stress 3M Inc, Grosse Pointe Farms, MI, 48236, USA
| | - Ximena Ruden
- Department of Ob/Gyn, Reproductive Endocrinology and Infertility, CS Mott Center for Human Growth and Development, WayneState UniversitySchoolofMedicine, Detroit, Michigan, 48201, USA
| | | | - Sudipta Dutta
- Department of Ob/Gyn, Reproductive Endocrinology and Infertility, CS Mott Center for Human Growth and Development, WayneState UniversitySchoolofMedicine, Detroit, Michigan, 48201, USA
- Reproductive Endocrinology and Cell Signaling LaboratoryDepartment of Integrative BiosciencesCollege of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, Texas, 77843, USA
| | - Katherine Gurdziel
- Genome Sciences Center, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Douglas M Ruden
- Department of Ob/Gyn, Reproductive Endocrinology and Infertility, CS Mott Center for Human Growth and Development, WayneState UniversitySchoolofMedicine, Detroit, Michigan, 48201, USA
- Institutes for Environmental Health Science, Wayne State University School of Medicine, Detroit, 48202, USA
| | - Awoniyi O Awonuga
- Department of Ob/Gyn, Reproductive Endocrinology and Infertility, CS Mott Center for Human Growth and Development, WayneState UniversitySchoolofMedicine, Detroit, Michigan, 48201, USA
| | - Steve J Korzeniewski
- Institutes for Environmental Health Science, Wayne State University School of Medicine, Detroit, 48202, USA
| | - Elizabeth E Puscheck
- Department of Ob/Gyn, Reproductive Endocrinology and Infertility, CS Mott Center for Human Growth and Development, WayneState UniversitySchoolofMedicine, Detroit, Michigan, 48201, USA
- Reproductive Stress 3M Inc, Grosse Pointe Farms, MI, 48236, USA
- Invia Fertility Clinics, Hoffman Estates, Illinois, 60169, USA
| | - Daniel A Rappolee
- Department of Ob/Gyn, Reproductive Endocrinology and Infertility, CS Mott Center for Human Growth and Development, WayneState UniversitySchoolofMedicine, Detroit, Michigan, 48201, USA.
- Reproductive Stress 3M Inc, Grosse Pointe Farms, MI, 48236, USA.
- Institutes for Environmental Health Science, Wayne State University School of Medicine, Detroit, 48202, USA.
- Program for Reproductive Sciences and Department of Physiology, Wayne State University School of Medicine, Detroit, MI, 48201, USA.
- Department of Biology, University of Windsor, Windsor, ON, N9B 3P4, Canada.
- CS Mott Center for Human Growth and Development, Wayne State University School of Medicine, 275 East Hancock, Detroit, MI, 48201, USA.
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14
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Mai HN, Kim EJ, Jung HS. Application of hiPSCs in tooth regeneration via cellular modulation. J Oral Biosci 2021; 63:225-231. [PMID: 34033906 DOI: 10.1016/j.job.2021.05.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/08/2021] [Accepted: 05/12/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND Induced pluripotent stem cell (iPSC)-based technology provides limitless resources for customized development of organs without any ethical concerns. In theory, iPSCs generated from terminally differentiated cells can be induced to further differentiate into all types of organs that are derived from the embryonic germ layers. Since iPSC reprogramming technology is relatively new, extensive efforts by the researchers have been put together to optimize the protocols to establish in vitro differentiation of human iPSCs (hiPSCs) into various desirable cell types/organs. HIGHLIGHTS In the present study, we review the potential application of iPSCs as an efficient alternative to primary cells for modulating signal molecules. Furthermore, an efficient culture system that promotes the differentiation of cell lineages and tissue formation has been reviewed. We also summarize the recent studies wherein tissue engineering of the three germ layers has been explored. Particularly, we focus on the current research strategies for iPSC-based tooth regeneration via molecular modulation. CONCLUSION In recent decades, robust knowledge regarding the hiPSC-based regenerative therapy has been accumulated, especially focusing on cellular modulation. This review provides the optimization of the procedures designed to regenerate specific organs.
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Affiliation(s)
- Han Ngoc Mai
- Division in Anatomy and Developmental Biology, Department of Oral Biology, Taste Research Center, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Korea
| | - Eun-Jung Kim
- Division in Anatomy and Developmental Biology, Department of Oral Biology, Taste Research Center, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Korea
| | - Han-Sung Jung
- Division in Anatomy and Developmental Biology, Department of Oral Biology, Taste Research Center, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, Korea.
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15
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Strano A, Tuck E, Stubbs VE, Livesey FJ. Variable Outcomes in Neural Differentiation of Human PSCs Arise from Intrinsic Differences in Developmental Signaling Pathways. Cell Rep 2021; 31:107732. [PMID: 32521257 PMCID: PMC7296348 DOI: 10.1016/j.celrep.2020.107732] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 03/09/2020] [Accepted: 05/14/2020] [Indexed: 12/12/2022] Open
Abstract
Directed differentiation of human pluripotent stem cells varies in specificity and efficiency. Stochastic, genetic, intracellular, and environmental factors affect maintenance of pluripotency and differentiation into early embryonic lineages. However, factors affecting variation in in vitro differentiation to defined cell types are not well understood. To address this, we focused on a well-established differentiation process to cerebral cortex neural progenitor cells and their neuronal progeny from human pluripotent stem cells. Analysis of 162 differentiation outcomes of 61 stem cell lines derived from 37 individuals showed that most variation occurs along gene expression axes reflecting dorsoventral and rostrocaudal spatial expression during in vivo brain development. Line-independent and line-dependent variations occur, with the latter driven largely by differences in endogenous Wnt signaling activity. Tuning Wnt signaling during a specific phase early in the differentiation process reduces variability, demonstrating that cell-line/genome-specific differentiation outcome biases can be corrected by controlling extracellular signaling. Analysis of 162 iPSC neural differentiation quantifies sources of variability Variation in outcomes occurs along developmental brain spatial and regional axes Variation depends on iPSC-line-specific differences in Wnt/β-catenin signaling Effects of signaling differences can be rescued by exogenous pathway activation
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Affiliation(s)
- Alessio Strano
- The Wellcome Trust/Cancer Research UK Gurdon Institute & Department of Biochemistry, University of Cambridge, Cambridge, UK; UCL Great Ormond Street Institute of Child Health, Zayed Centre for Research into Rare Disease in Children, University College London, 20 Guilford Street, London WC1N 1DZ, UK
| | - Eleanor Tuck
- UCL Great Ormond Street Institute of Child Health, Zayed Centre for Research into Rare Disease in Children, University College London, 20 Guilford Street, London WC1N 1DZ, UK
| | - Victoria E Stubbs
- The Wellcome Trust/Cancer Research UK Gurdon Institute & Department of Biochemistry, University of Cambridge, Cambridge, UK
| | - Frederick J Livesey
- UCL Great Ormond Street Institute of Child Health, Zayed Centre for Research into Rare Disease in Children, University College London, 20 Guilford Street, London WC1N 1DZ, UK.
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16
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Jiang X, Li X, Fei X, Shen J, Chen J, Guo M, Li Y. Endometrial membrane organoids from human embryonic stem cell combined with the 3D Matrigel for endometrium regeneration in asherman syndrome. Bioact Mater 2021; 6:3935-3946. [PMID: 33937593 PMCID: PMC8079828 DOI: 10.1016/j.bioactmat.2021.04.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 03/29/2021] [Accepted: 04/04/2021] [Indexed: 12/18/2022] Open
Abstract
Asherman's syndrome (AS), a leading cause of uterine infertility worldwide, is characterized by scarring of the uterine surfaces lacking endometrial epithelial cells, which prevents endometrial regeneration. Current research on cell therapy for AS focuses on mesenchymal and adult stem cells from the endometrium. However, insufficient number, lack of purity, and rapid senescence of endometrial epithelial progenitor cells (EEPCs) during experimental processes restrict their use in cell therapies. In this study, we induced human embryonic stem cells-9 (H9-ESC) into EEPCs by optimizing the induction factors from the definitive endoderm. EEPCs, which act as endometrial epithelial cells, accompanied by human endometrial stromal cells provide a niche environment for the development of endometrial membrane organoids (EMOs) in an in vitro 3D culture model. To investigate the function of EMOs, we transplanted tissue-engineered constructs with EMOs into an in vivo rat AS model. The implantation of EMOs into the damaged endometrium facilitates endometrial regeneration and angiogenesis. Implanting EMOs developed from human embryonic stem cells into the endometrium might prove useful for "endometrial re-engineering" in the treatment of Asherman's syndrome.
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Affiliation(s)
- Xiuxiu Jiang
- Department of Gynecology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, 310006, China
| | - Xingmiao Li
- Department of Gynecology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, 310006, China
| | - Xiangwei Fei
- Key Laboratory of Women′s Reproductive Health Research of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, 310006, China
| | - Jiajie Shen
- Key Laboratory of Women′s Reproductive Health Research of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, 310006, China
| | - Jianhua Chen
- Department of Pathology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, 310006, China
| | - Meijun Guo
- Department of Gynecology, Women's Hospital, Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, 310006, China
| | - Yangyang Li
- Key Laboratory of Women′s Reproductive Health Research of Zhejiang Province, Women's Hospital, Zhejiang University School of Medicine, Hangzhou City, Zhejiang Province, 310006, China
- Corresponding author.
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17
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Biomechanical properties of acellular scar ECM during the acute to chronic stages of myocardial infarction. J Mech Behav Biomed Mater 2021; 116:104342. [PMID: 33516128 DOI: 10.1016/j.jmbbm.2021.104342] [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: 07/13/2020] [Revised: 01/14/2021] [Accepted: 01/17/2021] [Indexed: 02/08/2023]
Abstract
After myocardial infarction (MI), the infarcted tissue undergoes dynamic and time-dependent changes. Previous knowledge on MI biomechanical alterations has been obtained by studying the explanted scar tissues. In this study, we decellularized MI scar tissue and characterized the biomechanics of the obtained pure scar ECM. By thoroughly removing the cellular content in the MI scar tissue, we were able to avoid its confounding effects. Rat MI hearts were obtained from a reliable and reproducible model based on permanent left coronary artery ligation (PLCAL). MI heart explants at various time points (15 min, 1 week, 2 weeks, 4 weeks, and 12 weeks) were subjected to decellularization with 0.1% sodium dodecyl sulfate solution for ~1-2 weeks to obtain acellular scar ECM. A biaxial mechanical testing system was used to characterize the acellular scar ECM under physiologically relevant loading conditions. After decellularization, large decrease in wall thickness was observed in the native heart ECM and 15 min scar ECM, implying the collapse of cardiomyocyte lacunae after removal of heart muscle fibers. For scar ECM 1 week, 2 weeks, and 4 weeks post infarction, the decrease in wall thickness after decellularization was small. For scar ECM 12 weeks post infarction, the reduction amount of wall thickness due to decellularization was minimal. We found that the scar ECM preserved the overall mechanical anisotropy of the native ventricle wall and MI scar tissue, in which the longitudinal direction is more extensible. Acellular scar ECM from 15 min to 12 weeks post infarction showed an overall stiffening trend in biaxial behavior, in which longitudinal direction was mostly affected and manifested with a decreased extensibility and increased modulus. This reduction trend of longitudinal extensibility also led to a decreased anisotropy index in the scar ECM from the acute to chronic stages of MI. The post-MI change in biomechanical properties of the scar ECM reflected the alterations of collagen fiber network, confirmed by the histology of scar ECM. In short, the reported structure-property relationship reveals how scar ECM biophysical properties evolve from the acute to chronic stages of MI. The obtained information will help establish a knowledge basis about the dynamics of scar ECM to better understand post-MI cardiac remodeling.
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18
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Khatri R, Mazurek S, Petry SF, Linn T. Mesenchymal stem cells promote pancreatic β-cell regeneration through downregulation of FoxO1 pathway. Stem Cell Res Ther 2020; 11:497. [PMID: 33239104 PMCID: PMC7687794 DOI: 10.1186/s13287-020-02007-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 11/02/2020] [Indexed: 12/22/2022] Open
Abstract
Background Mesenchymal stem cells (MSC) are non-haematopoietic, fibroblast-like multipotent stromal cells. In the injured pancreas, these cells are assumed to secrete growth factors and immunomodulatory molecules, which facilitate the regeneration of pre-existing β-cells. However, when MSC are delivered intravenously, their majority is entrapped in the lungs and does not reach the pancreas. Therefore, the aim of this investigation was to compare the regenerative support of hTERT-MSC (human telomerase reverse transcriptase mesenchymal stem cells) via intrapancreatic (IPR) and intravenous route (IVR). Methods hTERT-MSC were administered by IPR and IVR to 50% pancreatectomized NMRI nude mice. After eight days, blood glucose level, body weight, and residual pancreatic weight were measured. Proliferating pancreatic β-cells were labelled and identified with bromodeoxyuridine (BrdU) in vivo. The number of residual islets and the frequency of proliferating β-cells were compared in different groups with sequential pancreatic sections. The pancreatic insulin content was evaluated by enzyme-linked immunosorbent assay (ELISA) and the presence of hTERT-MSC with human Alu sequence. Murine gene expression of growth factors, β-cell specific molecules and proinflammatory cytokines were inspected by real-time polymerase chain reaction (RT-PCR) and Western blot. Results This study evaluated the regenerative potential of the murine pancreas post-hTERT-MSC administration through the intrapancreatic (IPR) and intravenous route (IVR). Both routes of hTERT-MSC transplantation (IVR and IPR) increased the incorporation of BrdU by pancreatic β-cells compared to control. MSC induced epidermal growth factor (EGF) expression and inhibited proinflammatory cytokines (IFN-γ and TNF-α). FOXA2 and PDX-1 characteristics for pancreatic progenitor cells were activated via AKT/ PDX-1/ FoxO1 signalling pathway. Conclusion The infusion of hTERT-MSC after partial pancreatectomy (Px) through the IVR and IPR facilitated the proliferation of autochthonous pancreatic β-cells and provided evidence for a regenerative influence of MSC on the endocrine pancreas. Moderate benefit of IPR over IVR was observed which could be a new treatment option for preventing diabetes mellitus after pancreas surgery. Supplementary information The online version contains supplementary material available at at 10.1186/s13287-020-02007-9.
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Affiliation(s)
- Rahul Khatri
- Third Medical Department, Clinical Research Lab, Justus Liebig University Giessen, Giessen, Germany
| | - Sybille Mazurek
- Institute of Veterinary Physiology and Biochemistry, Justus Liebig University Giessen, Giessen, Germany
| | | | - Thomas Linn
- Third Medical Department, Clinical Research Lab, Justus Liebig University Giessen, Giessen, Germany. .,Clinical Research Unit, Centre of Internal Medicine, Friedrichstrasse. 20/ Aulweg 123, 35392, Giessen, Germany.
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19
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Yoshimoto K, Minier N, Yang J, Imamura S, Stocking K, Patel J, Terada S, Hirai Y, Kamei KI. Recapitulation of Human Embryonic Heartbeat to Promote Differentiation of Hepatic Endoderm to Hepatoblasts. Front Bioeng Biotechnol 2020; 8:568092. [PMID: 33015019 PMCID: PMC7506096 DOI: 10.3389/fbioe.2020.568092] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Accepted: 08/19/2020] [Indexed: 11/13/2022] Open
Abstract
Hepatic development requires multiple sequential physicochemical environmental changes in an embryo, and human pluripotent stem cells (hPSCs) allow for the elucidation of this embryonic developmental process. However, the current in vitro methods for hPSC-hepatic differentiation, which employ various biochemical substances, produce hPSC-derived hepatocytes with less functionality than primary hepatocytes, due to a lack of physical stimuli, such as heart beating. Here, we developed a microfluidic platform that recapitulates the beating of a human embryonic heart to improve the functionality of hepatoblasts derived from hepatic endoderm (HE) in vitro. This microfluidic platform facilitates the application of multiple mechanical stretching forces, to mimic heart beating, to cultured hepatic endoderm cells to identify the optimal stimuli. Results show that stimulated HE-derived hepatoblasts increased cytochrome P450 3A (CYP3A) metabolic activity, as well as the expression of hepatoblast functional markers (albumin, cytokeratin 19 and CYP3A7), compared to unstimulated hepatoblasts. This approach of hepatic differentiation from hPSCs with the application of mechanical stimuli will facilitate improved methods for studying human embryonic liver development, as well as accurate pharmacological testing with functional liver cells.
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Affiliation(s)
- Koki Yoshimoto
- Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, Japan.,Department of Biosystems Science, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan.,Laboratory of Cellular and Molecular Biomechanics, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Nicolas Minier
- Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, Japan
| | - Jiandong Yang
- Department of Micro Engineering, Kyoto University, Kyoto, Japan
| | - Satoshi Imamura
- Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, Japan
| | - Kaylene Stocking
- Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, Japan.,Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, United States
| | - Janmesh Patel
- Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, Japan.,Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States
| | - Shiho Terada
- Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, Japan
| | - Yoshikazu Hirai
- Department of Micro Engineering, Kyoto University, Kyoto, Japan
| | - Ken-Ichiro Kamei
- Institute for Integrated Cell-Material Sciences, Kyoto University, Kyoto, Japan.,Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, China.,Department of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China
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20
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Dadheech N, Srivastava A, Vakani M, Shrimali P, Bhonde R, Gupta S. Direct lineage tracing reveals Activin-a potential for improved pancreatic homing of bone marrow mesenchymal stem cells and efficient ß-cell regeneration in vivo. Stem Cell Res Ther 2020; 11:327. [PMID: 32731883 PMCID: PMC7393856 DOI: 10.1186/s13287-020-01843-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 06/07/2020] [Accepted: 07/20/2020] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Despite the potential, bone marrow-derived mesenchymal stem cells (BMSCs) show limitations for beta (ß)-cell replacement therapy due to inefficient methods to deliver BMSCs into pancreatic lineage. In this study, we report TGF-ß family member protein, Activin-a potential to stimulate efficient pancreatic migration, enhanced homing and accelerated ß-cell differentiation. METHODS Lineage tracing of permanent green fluorescent protein (GFP)- tagged donor murine BMSCs transplanted either alone or in combination with Activin-a in diabetic mice displayed potential ß-cell regeneration and reversed diabetes. RESULTS Pancreatic histology of Activin-a treated recipient mice reflected high GFP+BMSC infiltration into damaged pancreas with normalized fasting blood glucose and elevated serum insulin. Whole pancreas FACS profiling of GFP+ cells displayed significant homing of GFP+BMSC with Activin-a treatment (6%) compared to BMSCs alone transplanted controls (0.5%). Within islets, approximately 5% GFP+ cells attain ß-cell signature (GFP+ Ins+) with Activin-a treatment versus controls. Further, double immunostaining for mesenchymal stem cell markers CD44+/GFP+ in infiltrated GFP+BMSC deciphers substantial endocrine reprogramming and ß-cell differentiation (6.4% Ins+/GFP+) within 15 days. CONCLUSION Our investigation thus presents a novel pharmacological approach for stimulating direct migration and homing of therapeutic BMSCs that re-validates BMSC potential for autologous stem cell transplantation therapy in diabetes.
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Affiliation(s)
- Nidheesh Dadheech
- Molecular Endocrinology and Stem Cell Research Laboratory, Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, Gujarat, India.,Department of Surgery, Alberta Diabetes Institute, University of Alberta, Edmonton, AB, Canada
| | - Abhay Srivastava
- Molecular Endocrinology and Stem Cell Research Laboratory, Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, Gujarat, India
| | - Mitul Vakani
- Molecular Endocrinology and Stem Cell Research Laboratory, Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, Gujarat, India
| | - Paresh Shrimali
- Molecular Endocrinology and Stem Cell Research Laboratory, Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, Gujarat, India
| | - Ramesh Bhonde
- Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune, Maharashtra, India
| | - Sarita Gupta
- Molecular Endocrinology and Stem Cell Research Laboratory, Department of Biochemistry, Faculty of Science, The M.S. University of Baroda, Vadodara, Gujarat, India.
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21
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Otsuka R, Wada H, Tsuji H, Sasaki A, Murata T, Itoh M, Baghdadi M, Seino KI. Efficient generation of thymic epithelium from induced pluripotent stem cells that prolongs allograft survival. Sci Rep 2020; 10:224. [PMID: 31937817 PMCID: PMC6959230 DOI: 10.1038/s41598-019-57088-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 12/20/2019] [Indexed: 01/24/2023] Open
Abstract
The thymus plays a significant role in establishing immunological self-tolerance. Previous studies have revealed that host immune reaction to allogeneic transplants could be regulated by thymus transplantation. However, physiological thymus involution hinders the clinical application of these insights. Here, we report an efficient generation of thymic epithelial-like tissue derived from induced pluripotent stem cells (iPSCs) and its potential to regulate immune reaction in allogeneic transplantation. We established an iPSC line which constitutively expresses mouse Foxn1 gene and examined the effect of its expression during in vitro differentiation of thymic epithelial cells (TECs). We found that Foxn1 expression enhances the differentiation induction of cells expressing TEC-related cell surface molecules along with upregulation of endogenous Foxn1. iPSC-derived TECs (iPSC-TECs) generated T cells in nude recipient mice after renal subcapsular transplantation. Moreover, iPSC-TEC transplantation to immuno-competent recipients significantly prolonged the survival of allogeneic skin. Our study provides a novel concept for allogeneic transplantation in the setting of regenerative medicine.
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Affiliation(s)
- Ryo Otsuka
- Institute for Genetic Medicine, Hokkaido University, Kita-15, Nishi-7, Sapporo, 060-0815, Japan
| | - Haruka Wada
- Institute for Genetic Medicine, Hokkaido University, Kita-15, Nishi-7, Sapporo, 060-0815, Japan
| | - Hyuma Tsuji
- Institute for Genetic Medicine, Hokkaido University, Kita-15, Nishi-7, Sapporo, 060-0815, Japan
| | - Airi Sasaki
- Institute for Genetic Medicine, Hokkaido University, Kita-15, Nishi-7, Sapporo, 060-0815, Japan
| | - Tomoki Murata
- Institute for Genetic Medicine, Hokkaido University, Kita-15, Nishi-7, Sapporo, 060-0815, Japan
| | - Mizuho Itoh
- Institute for Genetic Medicine, Hokkaido University, Kita-15, Nishi-7, Sapporo, 060-0815, Japan
| | - Muhammad Baghdadi
- Institute for Genetic Medicine, Hokkaido University, Kita-15, Nishi-7, Sapporo, 060-0815, Japan
| | - Ken-Ichiro Seino
- Institute for Genetic Medicine, Hokkaido University, Kita-15, Nishi-7, Sapporo, 060-0815, Japan.
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22
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Molecular characterization of a toxicological tipping point during human stem cell differentiation. Reprod Toxicol 2020; 91:1-13. [DOI: 10.1016/j.reprotox.2019.10.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/23/2019] [Accepted: 10/01/2019] [Indexed: 12/19/2022]
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23
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Varma R, Soleas JP, Waddell TK, Karoubi G, McGuigan AP. Current strategies and opportunities to manufacture cells for modeling human lungs. Adv Drug Deliv Rev 2020; 161-162:90-109. [PMID: 32835746 PMCID: PMC7442933 DOI: 10.1016/j.addr.2020.08.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/17/2020] [Accepted: 08/14/2020] [Indexed: 02/07/2023]
Abstract
Chronic lung diseases remain major healthcare burdens, for which the only curative treatment is lung transplantation. In vitro human models are promising platforms for identifying and testing novel compounds to potentially decrease this burden. Directed differentiation of pluripotent stem cells is an important strategy to generate lung cells to create such models. Current lung directed differentiation protocols are limited as they do not 1) recapitulate the diversity of respiratory epithelium, 2) generate consistent or sufficient cell numbers for drug discovery platforms, and 3) establish the histologic tissue-level organization critical for modeling lung function. In this review, we describe how lung development has formed the basis for directed differentiation protocols, and discuss the utility of available protocols for lung epithelial cell generation and drug development. We further highlight tissue engineering strategies for manipulating biophysical signals during directed differentiation such that future protocols can recapitulate both chemical and physical cues present during lung development.
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Affiliation(s)
- Ratna Varma
- Institute for Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, ON M5S 3G9, Canada; Latner Thoracic Surgery Research Laboratories, Toronto General Hospital, 101 College St., Toronto, ON M5G 1L7, Canada
| | - John P Soleas
- Institute for Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, ON M5S 3G9, Canada; Latner Thoracic Surgery Research Laboratories, Toronto General Hospital, 101 College St., Toronto, ON M5G 1L7, Canada
| | - Thomas K Waddell
- Institute for Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, ON M5S 3G9, Canada; Latner Thoracic Surgery Research Laboratories, Toronto General Hospital, 101 College St., Toronto, ON M5G 1L7, Canada; Institute of Medical Science, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada
| | - Golnaz Karoubi
- Latner Thoracic Surgery Research Laboratories, Toronto General Hospital, 101 College St., Toronto, ON M5G 1L7, Canada; Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, ON M5S 3G8, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, 1 King's College Circle, Toronto, ON M5S 1A8, Canada.
| | - Alison P McGuigan
- Institute for Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, ON M5S 3G9, Canada; Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St., Toronto, ON M5S 3E5, Canada.
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24
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Liew LC, Gailhouste L, Tan GC, Yamamoto Y, Takeshita F, Nakagama H, Ochiya T. MicroRNA-124a inhibits endoderm lineage commitment by targeting Sox17 and Gata6 in mouse embryonic stem cells. Stem Cells 2019; 38:504-515. [PMID: 31828873 PMCID: PMC7187259 DOI: 10.1002/stem.3136] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 11/22/2019] [Indexed: 01/18/2023]
Abstract
The role of microRNAs (miRNAs) during mouse early development, especially in endoderm germ layer formation, is largely unknown. Here, via miRNA profiling during endoderm differentiation, we discovered that miR‐124a negatively regulates endoderm lineage commitment in mouse embryonic stem cells (mESCs). To further investigate the functional role of miR‐124a in early stages of differentiation, transfection of embryoid bodies with miR‐124a mimic was performed. We showed that overexpression of miR‐124a inhibits endoderm differentiation in vitro through targeting the 3′‐untranslated region (UTR) of Sox17 and Gata6, revealing the existence of interplay between miR‐124a and the Sox17/Gata6 transcription factors in hepato‐specific gene regulation. In addition, we presented a feasible in vivo system that utilizes teratoma and gene expression profiling from microarray to quantitatively evaluate the functional role of miRNA in lineage specification. We demonstrated that ectopic expression of miR‐124a in teratomas by intratumor delivery of miR‐124a mimic and Atelocollagen, significantly suppressed endoderm and mesoderm lineage differentiation while augmenting the differentiation into ectoderm lineage. Collectively, our findings suggest that miR‐124a plays a significant role in mESCs lineage commitment.
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Affiliation(s)
- Lee Chuen Liew
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo, Japan.,Department of Pathology, Immunology and Microbiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Luc Gailhouste
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo, Japan.,Liver Cancer Prevention Research Unit, RIKEN Cluster for Pioneering Research, Saitama, Japan
| | - Geok Chin Tan
- Department of Pathology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Yusuke Yamamoto
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo, Japan
| | - Fumitaka Takeshita
- Department of Functional Analysis, FIOC, National Cancer Center Research Institute, Tokyo, Japan
| | - Hitoshi Nakagama
- Department of Pathology, Immunology and Microbiology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,National Cancer Center, Tokyo, Japan
| | - Takahiro Ochiya
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo, Japan.,Department of Molecular and Cellular Medicine, Tokyo Medical University, Tokyo, Japan
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25
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Mochizuki K, Hayashi Y, Sekinaka T, Otsuka K, Ito-Matsuoka Y, Kobayashi H, Oki S, Takehara A, Kono T, Osumi N, Matsui Y. Repression of Somatic Genes by Selective Recruitment of HDAC3 by BLIMP1 Is Essential for Mouse Primordial Germ Cell Fate Determination. Cell Rep 2019; 24:2682-2693.e6. [PMID: 30184502 DOI: 10.1016/j.celrep.2018.07.108] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 06/20/2018] [Accepted: 07/30/2018] [Indexed: 01/12/2023] Open
Abstract
Primordial germ cells (PGCs) are fate determined from pluripotent epiblasts. Signaling pathways and transcriptional regulators involved in PGC formation have been identified, but detailed molecular mechanisms of PGC fate determination remains poorly understood. Using RNAi screening, we identified histone deacetylase 3 (HDAC3) as a regulator of PGC formation. Hdac3 deficiency resulted in decreased nascent PGCs in vitro and in vivo, and somatic developmental genes were de-repressed by Hdac3 knockdown during PGC induction. We also demonstrated BLIMP1-dependent enrichment of HDAC3 and deacetylation of H3 and H4 histones in the somatic developmental genes in epiblast-like cells. In addition, the HDAC3/BLIMP1-targeted somatic gene products were enriched in PGC determinant genes; overexpression of these gene products in PGC-like cells in culture resulted in repression of PGC determinant genes. We propose that selective recruitment of HDAC3 to somatic genes by BLIMP1 and subsequent repression of these somatic genes are crucial for PGC fate determination.
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Affiliation(s)
- Kentaro Mochizuki
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC), Tohoku University, Sendai, Miyagi 980-8575, Japan; Center for Environmental Conservation and Research Safety, Tohoku University, Sendai, Miyagi 980-8577, Japan; Graduate School of Life Sciences, Tohoku University, Sendai, Miyagi 980-8577, Japan; Department of Developmental Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Miyagi 980-8575, Japan
| | - Yohei Hayashi
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC), Tohoku University, Sendai, Miyagi 980-8575, Japan; Graduate School of Life Sciences, Tohoku University, Sendai, Miyagi 980-8577, Japan
| | - Tamotsu Sekinaka
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC), Tohoku University, Sendai, Miyagi 980-8575, Japan; Graduate School of Life Sciences, Tohoku University, Sendai, Miyagi 980-8577, Japan
| | - Kei Otsuka
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC), Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Yumi Ito-Matsuoka
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC), Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Hisato Kobayashi
- NODAI Genome Research Center, Tokyo University of Agriculture, Tokyo 156-8502, Japan
| | - Shinya Oki
- Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Asuka Takehara
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC), Tohoku University, Sendai, Miyagi 980-8575, Japan
| | - Tomohiro Kono
- Department of BioScience, Tokyo University of Agriculture, Tokyo 156-8502, Japan
| | - Noriko Osumi
- Department of Developmental Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Miyagi 980-8575, Japan
| | - Yasuhisa Matsui
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer (IDAC), Tohoku University, Sendai, Miyagi 980-8575, Japan; Graduate School of Life Sciences, Tohoku University, Sendai, Miyagi 980-8577, Japan; Center for Regulatory Epigenome and Diseases, Tohoku University School of Medicine, Sendai, Miyagi 980-8575, Japan.
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26
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Jeggari A, Alekseenko Z, Petrov I, Dias JM, Ericson J, Alexeyenko A. EviNet: a web platform for network enrichment analysis with flexible definition of gene sets. Nucleic Acids Res 2019; 46:W163-W170. [PMID: 29893885 PMCID: PMC6030852 DOI: 10.1093/nar/gky485] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Accepted: 05/29/2018] [Indexed: 12/18/2022] Open
Abstract
The new web resource EviNet provides an easily run interface to network enrichment analysis for exploration of novel, experimentally defined gene sets. The major advantages of this analysis are (i) applicability to any genes found in the global network rather than only to those with pathway/ontology term annotations, (ii) ability to connect genes via different molecular mechanisms rather than within one high-throughput platform, and (iii) statistical power sufficient to detect enrichment of very small sets, down to individual genes. The users’ gene sets are either defined prior to upload or derived interactively from an uploaded file by differential expression criteria. The pathways and networks used in the analysis can be chosen from the collection menu. The calculation is typically done within seconds or minutes and the stable URL is provided immediately. The results are presented in both visual (network graphs) and tabular formats using jQuery libraries. Uploaded data and analysis results are kept in separated project directories not accessible by other users. EviNet is available at https://www.evinet.org/.
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Affiliation(s)
- Ashwini Jeggari
- Department of Cell and Molecular Biology, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Zhanna Alekseenko
- Department of Cell and Molecular Biology, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Iurii Petrov
- Department of Microbiology, Tumor and Cell Biology (MTC), Karolinska Institutet, Stockholm, Sweden
| | - José M Dias
- Department of Cell and Molecular Biology, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Johan Ericson
- Department of Cell and Molecular Biology, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Andrey Alexeyenko
- Department of Microbiology, Tumor and Cell Biology (MTC), Karolinska Institutet, Stockholm, Sweden.,National Bioinformatics Infrastructure Sweden, Science for Life Laboratory, Box 1031, 171 21 Solna, Sweden
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27
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Li J, Yang Y, Fan J, Xu H, Fan L, Li H, Zhao RC. Long noncoding RNA ANCR inhibits the differentiation of mesenchymal stem cells toward definitive endoderm by facilitating the association of PTBP1 with ID2. Cell Death Dis 2019; 10:492. [PMID: 31235689 PMCID: PMC6591386 DOI: 10.1038/s41419-019-1738-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 05/17/2019] [Accepted: 06/10/2019] [Indexed: 12/28/2022]
Abstract
The generation of definitive endoderm (DE) cells in sufficient numbers is a prerequisite for cell-replacement therapy for liver and pancreatic diseases. Previously, we reported that human adipose-derived mesenchymal stem cells (hAMSCs) can be induced to DE lineages and subsequent functional cells. Clarifying the regulatory mechanisms underlying the fate conversion from hAMSCs to DE is helpful for developing new strategies to improve the differentiation efficiency from hAMSCs to DE organs. Long noncoding RNAs (lncRNAs) have been shown to play pivotal roles in developmental processes, including cell fate determination and differentiation. In this study, we profiled the expression changes of lncRNAs and found that antidifferentiation noncoding RNA (ANCR) was downregulated during the differentiation of both hAMSCs and embryonic stem cells (ESCs) to DE cells. ANCR knockdown resulted in the elevated expression of DE markers in hAMSCs, but not in ESCs. ANCR overexpression reduced the efficiency of hAMSCs to differentiate into DE cells. Inhibitor of DNA binding 2 (ID2) was notably downregulated after ANCR knockdown. ID2 knockdown enhanced DE differentiation, whereas overexpression of ID2 impaired this process in hAMSCs. ANCR interacts with RNA-binding polypyrimidine tract-binding protein 1 (PTBP1) to facilitate its association with ID2 mRNA, leading to increased ID2 mRNA stability. Thus, the ANCR/PTBP1/ID2 network restricts the differentiation of hAMSCs toward DE. Our work highlights the inherent discrepancies between hAMSCs and ESCs. Defining hAMSC-specific signaling pathways might be important for designing optimal differentiation protocols for directing hAMSCs toward DE.
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Affiliation(s)
- Jing Li
- Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Peking Union Medical College Hospital, Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), 100005, Beijing, China
| | - Yanlei Yang
- Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Peking Union Medical College Hospital, Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), 100005, Beijing, China
| | - Junfen Fan
- Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Peking Union Medical College Hospital, Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), 100005, Beijing, China
| | - Haoying Xu
- Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Peking Union Medical College Hospital, Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), 100005, Beijing, China
| | - Linyuan Fan
- Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Peking Union Medical College Hospital, Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), 100005, Beijing, China
| | - Hongling Li
- Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Peking Union Medical College Hospital, Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), 100005, Beijing, China.
| | - Robert Chunhua Zhao
- Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Peking Union Medical College Hospital, Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), 100005, Beijing, China.
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28
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Raasch M, Fritsche E, Kurtz A, Bauer M, Mosig AS. Microphysiological systems meet hiPSC technology - New tools for disease modeling of liver infections in basic research and drug development. Adv Drug Deliv Rev 2019; 140:51-67. [PMID: 29908880 DOI: 10.1016/j.addr.2018.06.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 06/01/2018] [Accepted: 06/12/2018] [Indexed: 02/08/2023]
Abstract
Complex cell culture models such as microphysiological models (MPS) mimicking human liver functionality in vitro are in the spotlight as alternative to conventional cell culture and animal models. Promising techniques like microfluidic cell culture or micropatterning by 3D bioprinting are gaining increasing importance for the development of MPS to address the needs for more predictivity and cost efficiency. In this context, human induced pluripotent stem cells (hiPSCs) offer new perspectives for the development of advanced liver-on-chip systems by recreating an in vivo like microenvironment that supports the reliable differentiation of hiPSCs to hepatocyte-like cells (HLC). In this review we will summarize current protocols of HLC generation and highlight recently established MPS suitable to resemble physiological hepatocyte function in vitro. In addition, we are discussing potential applications of liver MPS for disease modeling related to systemic or direct liver infections and the use of MPS in testing of new drug candidates.
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29
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Li Q, Louden E, Zhou J, Drewlo S, Dai J, Puscheck EE, Chen K, Rappolee DA. Stress Forces First Lineage Differentiation of Mouse Embryonic Stem Cells; Validation of a High-Throughput Screen for Toxicant Stress. Stem Cells Dev 2019; 28:101-113. [PMID: 30328800 DOI: 10.1089/scd.2018.0157] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Mouse Embryonic Stem Cells (mESCs) are unique in their self-renewal and pluripotency. Hypothetically, mESCs model gestational stress effects or stresses of in vitro fertilization/assisted reproductive technologies or drug/environmental exposures that endanger embryos. Testing mESCs stress responses should diminish and expedite in vivo embryo screening. Transgenic mESCs for green fluorescent protein (GFP) reporters of differentiation use the promoter for platelet-derived growth factor receptor (Pdgfr)a driving GFP expression to monitor hyperosmotic stress-forced mESC proliferation decrease (stunting), and differentiation increase that further stunts mESC population growth. In differentiating mESCs Pdgfra marks the first-lineage extraembryonic primitive endoderm (ExEndo). Hyperosmotic stress forces mESC differentiation gain (Pdgfra-GFP) in monolayer or three-dimensional embryoid bodies. Despite culture with potency-maintaining leukemia inhibitory factor (LIF), stress forces ExEndo as assayed using microplate readers and validated by coexpression of Pdgfra-GFP, Disabled 2 (Dab2), and laminin by immunofluorescence and GFP protein and Dab2 by immunoblot. In agreement with previous reports, Rex1 and Oct4 loss was inversely proportional to increased Pdgfra-GFP mESC after treatment with high hyperosmotic sorbitol despite LIF. The increase in subpopulations of Pdgfra-GFP+ cells>background at ∼23% was similar to the previously reported ∼25% increase in Rex1-red fluorescent protein (RFP)-negative subpopulation at matched high sorbitol doses. By microplate reader, there is a ∼7-11-fold increase in GFP at a high nonmorbid and a morbid dose despite LIF, compared with LIF alone. By flow cytometry (FACS), the subpopulation of Pdgfra-GFP+ cells>background increases ∼8-16-fold at these doses. Taken together, the microplate, FACS, immunoblot, and immunofluorescence data suggest that retinoic acid or hyperosmotic stress forces dose-dependent differentiation whether LIF is present or not and this is negatively correlated with and possibly compensates for stress-forced diminished ESC population expansion and potency loss.
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Affiliation(s)
- Quanwen Li
- 1 CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan
| | - Erica Louden
- 1 CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan.,2 Program for Reproductive Sciences and Department of Physiology, Wayne State University School of Medicine, Detroit, Michigan.,3 Reproductive Endocrinology, Infertility & Genetics, Augusta University, Augusta, Georgia
| | - Jordan Zhou
- 4 Department of Obstetrics and Gynecology, and Center for Molecular Medicine and Genetics, Wayne State University, Detroit, Michigan
| | - Sascha Drewlo
- 5 Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, Michigan
| | - Jing Dai
- 1 CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan
| | - Elizabeth E Puscheck
- 1 CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan.,6 InVia Fertility, Hoffman Estates, Illinois
| | - Kang Chen
- 4 Department of Obstetrics and Gynecology, and Center for Molecular Medicine and Genetics, Wayne State University, Detroit, Michigan
| | - Daniel A Rappolee
- 1 CS Mott Center for Human Growth and Development, Department of Ob/Gyn, Reproductive Endocrinology and Infertility, Wayne State University School of Medicine, Detroit, Michigan.,2 Program for Reproductive Sciences and Department of Physiology, Wayne State University School of Medicine, Detroit, Michigan.,7 Institutes for Environmental Health Science, Wayne State University School of Medicine, Detroit, Michigan.,8 Department of Biology, University of Windsor, Windsor, Ontario, Canada.,9 Reproductive Stress, Measurement, Mechanism and Management, Inc., Grosse Pointe Farms, Michigan
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30
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Yasunaga M, Saijou S, Hanaoka S, Anzai T, Tsumura R, Matsumura Y. Significant antitumor effect of an antibody against TMEM180, a new colorectal cancer-specific molecule. Cancer Sci 2019; 110:761-770. [PMID: 30537002 PMCID: PMC6361608 DOI: 10.1111/cas.13907] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 12/04/2018] [Accepted: 12/05/2018] [Indexed: 12/31/2022] Open
Abstract
The present state of therapy for colorectal cancer (CRC) is far from satisfactory, highlighting the need for new targets for this disease. We identified a new CRC‐specific molecule, TMEM180, a predicted 11‐pass transmembrane protein that apparently functions as a cation symporter. We developed an anti‐TMEM180 mAb and then succeeded in humanizing the mAb. Immunohistochemistry (IHC) in CRC with the mAb showed a similar positivity rate as compared with anti‐epidermal growth factor receptor mAb, and IHC with anti‐TMEM180 mAb did not show staining in major organs used in this study. Immune electron microscopy clearly indicated that TMEM180 was present on the tumor exosome. The TMEM180 promoter region contains 10 hypoxia‐responsive element consensus sequences; accordingly, SW480 cells upregulated TMEM180 under low‐oxygen conditions. Anti‐TMEM180 mAb has in vitro antibody‐dependent cell‐mediated cytotoxicity and complement‐dependent cytotoxicity activity, and SW480 CRC xenografts were eradicated by the mAb. These data indicate that TMEM180 may be a new CRC marker and that a mAb against this protein could be used as antibody‐based therapy against CRC.
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Affiliation(s)
- Masahiro Yasunaga
- Division of Developmental Therapeutics, Exploratory Oncology Research & Clinical Trial Centre, National Cancer Centre, Kashiwa, Japan
| | - Shinji Saijou
- Division of Developmental Therapeutics, Exploratory Oncology Research & Clinical Trial Centre, National Cancer Centre, Kashiwa, Japan
| | - Shingo Hanaoka
- Division of Developmental Therapeutics, Exploratory Oncology Research & Clinical Trial Centre, National Cancer Centre, Kashiwa, Japan
| | - Takahiro Anzai
- Division of Developmental Therapeutics, Exploratory Oncology Research & Clinical Trial Centre, National Cancer Centre, Kashiwa, Japan
| | - Ryo Tsumura
- Division of Developmental Therapeutics, Exploratory Oncology Research & Clinical Trial Centre, National Cancer Centre, Kashiwa, Japan
| | - Yasuhiro Matsumura
- Division of Developmental Therapeutics, Exploratory Oncology Research & Clinical Trial Centre, National Cancer Centre, Kashiwa, Japan
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31
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Evaluating the origin and virulence of a Helicobacter pylori cagA-positive strain isolated from a non-human primate. Sci Rep 2018; 8:15981. [PMID: 30374120 PMCID: PMC6206097 DOI: 10.1038/s41598-018-34425-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 10/16/2018] [Indexed: 12/14/2022] Open
Abstract
Helicobacter pylori cagA-positive strains are critically involved in the development of gastric cancer. Upon delivery into gastric epithelial cells via type IV secretion, the cagA-encoded CagA interacts with and thereby perturbs the pro-oncogenic phosphatase SHP2 and the polarity-regulating kinase PAR1b via the tyrosine-phosphorylated EPIYA-C/D segment and the CM sequence, respectively. Importantly, sequences spanning these binding regions exhibit variations among CagA proteins, which influence the pathobiological/oncogenic potential of individual CagA. Here we isolated an H. pylori strain (Hp_TH2099) naturally infecting the stomach of a housed macaque, indicating a zoonotic feature of H. pylori infection. Whole genome sequence analysis revealed that Hp_TH2099 belongs to the hpAsia2 cluster and possesses ABC-type Western CagA, which contains hitherto unreported variations in both EPIYA-C and CM sequences. The CM variations almost totally abolished PAR1b binding. Whereas pTyr + 5 variation in the EPIYA-C segment potentiated SHP2-binding affinity, pTyr-2 variation dampened CagA tyrosine phosphorylation and thus impeded CagA-SHP2 complex formation. As opposed to the H. pylori standard strain, infection of mouse ES cell-derived gastric organoids with Hp_TH2099 failed to elicit CagA-dependent epithelial destruction. Thus, the macaque-isolated H. pylori showed low virulence due to attenuated CagA activity through multiple substitutions in the sequences involved in binding with SHP2 and PAR1b.
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32
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SOX17 restrains proliferation and tumor formation by down-regulating activity of the Wnt/β-catenin signaling pathway via trans-suppressing β-catenin in cervical cancer. Cell Death Dis 2018; 9:741. [PMID: 29970906 PMCID: PMC6030085 DOI: 10.1038/s41419-018-0782-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/28/2018] [Accepted: 05/29/2018] [Indexed: 01/17/2023]
Abstract
The SRY-box containing gene 17 (SOX17) is considered as a regulator in stemness maintenance and a suppressor in some malignant tumors. However, the biological function and molecular mechanism of SOX17 in the process of initiation and progression of cervical cancer remain obscure. In this study, immunohistochemistry showed that the expression of SOX17 was high in the normal cervix, moderate in the high-grade squamous intraepithelial lesion, and low in the cervical cancer. SOX17 inhibited the proliferation and viability of cervical cancer cells in vitro as well as tumor formation in vivo. Additionally, SOX17 induced the cell cycle arrest at the transition from the G0/G1 phase to the S phase. The TOP/ FOP-Flash reporter assay and Western blotting showed SOX17 inhibited the activity of the Wnt/β-catenin signaling pathway in cervical cancer. Further, firefly luciferase reporter assay and quantitative chromatin immunoprecipitation (qChIP) assays confirmed that SOX17 trans-suppressed the expression of β-catenin by directly binding to the specific region of the β-catenin promoter. Together, our data demonstrated that SOX17 restrained the proliferation and tumor formation by down-regulating the activity of the Wnt/β-catenin signaling pathway via trans-suppression of β-catenin in cervical cancer.
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33
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Chaturvedi P, Zhao B, Zimmerman DL, Belmont AS. Stable and reproducible transgene expression independent of proliferative or differentiated state using BAC TG-EMBED. Gene Ther 2018; 25:376-391. [PMID: 29930343 PMCID: PMC6195848 DOI: 10.1038/s41434-018-0021-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 04/20/2018] [Accepted: 05/13/2018] [Indexed: 02/07/2023]
Abstract
Reproducible and stable transgene expression is an important goal in both basic research and biotechnology, with each application demanding a range of transgene expression. Problems in achieving stable transgene expression include multi-copy transgene silencing, chromosome-position effects, and loss of expression during long-term culture, induced cell quiescence, and/or cell differentiation. Previously, we described the “BAC TG-EMBED” method for copy-number dependent, chromosome position-independent expression of embedded transgenes within a BAC containing ~170 kb of the mouse Dhfr locus. Here we demonstrate wider applicability of the method by identifying a BAC and promoter combination that drives reproducible, copy-number dependent, position-independent transgene expression even after induced quiescence and/or cell differentiation into multiple cell types. Using a GAPDH BAC containing ~200 kb of the human GAPDH gene locus and a 1.2 kb human UBC promoter, we achieved stable GFP-ZeoR reporter expression in mouse NIH 3T3 cells after low-serum induced cell cycle arrest or differentiation into adipocytes. More notably, GFP-ZeoR expression remained stable and copy-number dependent even after differentiation of mouse ESCs into several distinct lineages. These results highlight the potential use of BAC TG-EMBED as an expression platform for high-level but stable, long-term expression of transgene independent of cell proliferative or differentiated state.
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Affiliation(s)
- Pankaj Chaturvedi
- Department of Cell and Developmental Biology, University of Illinois, Urbana, IL, USA
| | - Binhui Zhao
- Department of Cell and Developmental Biology, University of Illinois, Urbana, IL, USA
| | - David L Zimmerman
- Department of Cell and Developmental Biology, University of Illinois, Urbana, IL, USA.,Biology Department, College of the Ozarks, Point Lookout, MO, USA
| | - Andrew S Belmont
- Department of Cell and Developmental Biology, University of Illinois, Urbana, IL, USA.
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34
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Rothová M, Hölzenspies JJ, Livigni A, Villegas SN, Brickman JM. Differentiation of Mouse Embryonic Stem Cells into Ventral Foregut Precursors. ACTA ACUST UNITED AC 2018; 36:1G.3.1-1G.3.12. [DOI: 10.1002/9780470151808.sc01g03s36] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
| | | | - Alessandra Livigni
- MRC Centre for Regenerative Medicine, Institute for Stem Cell Research, University of Edinburgh Edinburgh United Kingdom
| | - Santiago Nahuel Villegas
- MRC Centre for Regenerative Medicine, Institute for Stem Cell Research, University of Edinburgh Edinburgh United Kingdom
- Instituto de Neurociencias, Consejo Superior de Investigaciones Cientificas, Universidad Miguel Hernandez de Elche Alicante Spain
| | - Joshua M. Brickman
- Centre (DanStem), University of Copenhagen Copenhagen Denmark
- MRC Centre for Regenerative Medicine, Institute for Stem Cell Research, University of Edinburgh Edinburgh United Kingdom
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35
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Abstract
Background Ebstein anomaly (EA) is a rare congenital defect characterized by apical displacement of the septal tricuspid leaflets and atrialization of the right ventricle. The etiology of EA is unclear; however, recurrence in families and the association of EA with genetic syndromes and copy number variants (CNVs) suggest a genetic component. Objective We performed a population-based study to search for recurrent and novel CNVs in a previously unreported set of EA cases. Methods We genotyped 60 EA cases identified from all live births (2,891,076) from selected California counties (1991–2010) using the Illumina HumanOmni2.5–8 array. We identified 38 candidate CNVs in 28 (46%) cases and prioritized and validated 11 CNVs based on the genes included. Results Five CNVs (41%) overlapped or were close to genes involved in early myocardial development, including NODAL, PDLIM5, SIX1, ASF1A and FGF12. We also replicated a previous association of EA with CNVs at 1p34.1 and AKAP12. Finally, we identified four CNVs overlapping or in close proximity to the transcription factors HES3, TRIM71, CUX1 and EIF4EBP2. Conclusions This study supports the relationship of genetic factors to EA and demonstrates that defects in cardiomyocytes and myocardium differentiation may play a role. Abnormal differentiation of cardiomyocytes and how genetic factors contribute should be examined for their association with EA.
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36
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Ogoke O, Oluwole J, Parashurama N. Bioengineering considerations in liver regenerative medicine. J Biol Eng 2017; 11:46. [PMID: 29204185 PMCID: PMC5702480 DOI: 10.1186/s13036-017-0081-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 09/25/2017] [Indexed: 12/19/2022] Open
Abstract
Background Liver disease contributes significantly to global disease burden and is associated with rising incidence and escalating costs. It is likely that innovative approaches, arising from the emerging field of liver regenerative medicine, will counter these trends. Main body Liver regenerative medicine is a rapidly expanding field based on a rich history of basic investigations into the nature of liver structure, physiology, development, regeneration, and function. With a bioengineering perspective, we discuss all major subfields within liver regenerative medicine, focusing on the history, seminal publications, recent progress within these fields, and commercialization efforts. The areas reviewed include fundamental aspects of liver transplantation, liver regeneration, primary hepatocyte cell culture, bioartificial liver, hepatocyte transplantation and liver cell therapies, mouse liver repopulation, adult liver stem cell/progenitor cells, pluripotent stem cells, hepatic microdevices, and decellularized liver grafts. Conclusion These studies highlight the creative directions of liver regenerative medicine, the collective efforts of scientists, engineers, and doctors, and the bright outlook for a wide range of approaches and applications which will impact patients with liver disease.
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Affiliation(s)
- Ogechi Ogoke
- Department of Chemical and Biological Engineering, University at Buffalo (State University of New York), Furnas Hall, Buffalo, NY 14260 USA.,Clinical and Translation Research Center (CTRC), University at Buffalo (State University of New York), 875 Ellicott St., Buffalo, NY 14203 USA
| | - Janet Oluwole
- Clinical and Translation Research Center (CTRC), University at Buffalo (State University of New York), 875 Ellicott St., Buffalo, NY 14203 USA.,Department of Biomedical Engineering, University at Buffalo (State University of New York), Furnas Hall, 907 Furnas Hall, Buffalo, NY 14260 USA
| | - Natesh Parashurama
- Department of Chemical and Biological Engineering, University at Buffalo (State University of New York), Furnas Hall, Buffalo, NY 14260 USA.,Clinical and Translation Research Center (CTRC), University at Buffalo (State University of New York), 875 Ellicott St., Buffalo, NY 14203 USA.,Department of Biomedical Engineering, University at Buffalo (State University of New York), Furnas Hall, 907 Furnas Hall, Buffalo, NY 14260 USA
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37
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Montague TG, Schier AF. Vg1-Nodal heterodimers are the endogenous inducers of mesendoderm. eLife 2017; 6:28183. [PMID: 29140251 PMCID: PMC5745085 DOI: 10.7554/elife.28183] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 10/13/2017] [Indexed: 12/03/2022] Open
Abstract
Nodal is considered the key inducer of mesendoderm in vertebrate embryos and embryonic stem cells. Other TGF-beta-related signals, such as Vg1/Dvr1/Gdf3, have also been implicated in this process but their roles have been unclear or controversial. Here we report that zebrafish embryos without maternally provided vg1 fail to form endoderm and head and trunk mesoderm, and closely resemble nodal loss-of-function mutants. Although Nodal is processed and secreted without Vg1, it requires Vg1 for its endogenous activity. Conversely, Vg1 is unprocessed and resides in the endoplasmic reticulum without Nodal, and is only secreted, processed and active in the presence of Nodal. Co-expression of Nodal and Vg1 results in heterodimer formation and mesendoderm induction. Thus, mesendoderm induction relies on the combination of two TGF-beta-related signals: maternal and ubiquitous Vg1, and zygotic and localized Nodal. Modeling reveals that the pool of maternal Vg1 enables rapid signaling at low concentrations of zygotic Nodal. All animals begin life as just one cell – a fertilized egg. In order to make a recognizable adult, each embryo needs to make the three types of tissue that will eventually form all of the organs: endoderm, which will form the internal organs; mesoderm, which will form the muscle and bones; and ectoderm, which will generate the skin and nervous system. All vertebrates – animals with backbones like fish and humans – use the so-called Nodal signaling pathway to make the endoderm and mesoderm. Nodal is a signaling molecule that binds to receptors on the surface of cells. If Nodal binds to a receptor on a cell, it instructs that cell to become endoderm or mesoderm. As such, Nodal is critical for vertebrate life. However, there has been a 30-year debate in the field of developmental biology about whether a protein called Vg1, which has a similar molecular structure as Nodal, plays a role in the early development of vertebrates. Zebrafish are often used to study animal development, and Montague and Schier decided to test whether these fish need the gene for Vg1 (also known as Gdf3) by deleting it using a genome editing technique called CRISPR/Cas9. It turns out that female zebrafish can survive without this gene. Yet, when the offspring of these females do not inherit the instructions to make Vg1 from their mothers, they fail to form the endoderm and mesoderm. This means that the embryos do not have hearts, blood or other internal organs, and they die within three days. Two other groups of researchers have independently reported similar results. The findings reveal that Vg1 is critical for the Nodal signaling pathway to work in zebrafish. Montague and Schier then showed that, in this pathway, Nodal does not activate its receptors on its own. Instead, Nodal must interact with Vg1, and it is this Nodal-Vg1 complex that activates receptors, and instructs cells to become endoderm and mesoderm. Scientists currently use the Nodal signaling pathway to induce human embryonic stem cells growing in the laboratory to become mesoderm and endoderm. As such, these new findings could ultimately help researchers to grow tissues and organs for human patients.
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Affiliation(s)
- Tessa G Montague
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, United States
| | - Alexander F Schier
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, United States.,Center for Brain Science, Harvard University, Cambridge, United States.,Broad Institute of MIT and Harvard, Cambridge, United States.,Harvard Stem Cell Institute, Cambridge, United States.,FAS Center for Systems Biology, Harvard University, Cambridge, United States
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38
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Anderson KGV, Hamilton WB, Roske FV, Azad A, Knudsen TE, Canham M, Forrester LM, Brickman JM. Insulin fine-tunes self-renewal pathways governing naive pluripotency and extra-embryonic endoderm. Nat Cell Biol 2017; 19:1164-1177. [DOI: 10.1038/ncb3617] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 08/17/2017] [Indexed: 12/16/2022]
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39
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Immunoregulation by IL-7R-targeting antibody-drug conjugates: overcoming steroid-resistance in cancer and autoimmune disease. Sci Rep 2017; 7:10735. [PMID: 28878234 PMCID: PMC5587554 DOI: 10.1038/s41598-017-11255-4] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 08/22/2017] [Indexed: 12/13/2022] Open
Abstract
Steroid-resistance is a common complication in the treatment of malignancies and autoimmune diseases. IL-7/IL-7R signaling, which regulates lymphocyte growth and survival, has been implicated in the development of malignancies and autoimmune diseases. However, the biological significance of IL-7/IL-7R signaling in steroid treatment is poorly understood. Here, we identified a novel relationship between IL-7R signaling and steroid-resistance, and showed that an anti-IL-7R antibody conjugated with SN-38 (A7R-ADC-SN-38) has strong anti-tumor effects against both parental and steroid-resistant malignant cells. Furthermore, inflammation in the mouse autoimmune arthritis model was suppressed to greater extent by A7R-ADC conjugated to MMAE than by A7R-ADC-SN-38. Given that an increased proportion of IL-7R-positive cells is a common mechanism underlying the pathogenesis of autoimmunity, we found that specific depletion of this cell population abrogated the progression of disease. This suggests that the cytotoxicity and immunosuppressive capacity of A7R-ADC could be modulated to treat specific malignancies or autoimmune diseases through the introduction of different payloads, and represents a novel alternative to steroid therapy.
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40
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Masaki H, Kato-Itoh M, Takahashi Y, Umino A, Sato H, Ito K, Yanagida A, Nishimura T, Yamaguchi T, Hirabayashi M, Era T, Loh KM, Wu SM, Weissman IL, Nakauchi H. Inhibition of Apoptosis Overcomes Stage-Related Compatibility Barriers to Chimera Formation in Mouse Embryos. Cell Stem Cell 2017; 19:587-592. [PMID: 27814480 DOI: 10.1016/j.stem.2016.10.013] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Revised: 09/05/2016] [Accepted: 10/19/2016] [Indexed: 12/19/2022]
Abstract
Cell types more advanced in development than embryonic stem cells, such as EpiSCs, fail to contribute to chimeras when injected into pre-implantation-stage blastocysts, apparently because the injected cells undergo apoptosis. Here we show that transient promotion of cell survival through expression of the anti-apoptotic gene BCL2 enables EpiSCs and Sox17+ endoderm progenitors to integrate into blastocysts and contribute to chimeric embryos. Upon injection into blastocyst, BCL2-expressing EpiSCs contributed to all bodily tissues in chimeric animals while Sox17+ endoderm progenitors specifically contributed in a region-specific fashion to endodermal tissues. In addition, BCL2 expression enabled rat EpiSCs to contribute to mouse embryonic chimeras, thereby forming interspecies chimeras that could survive to adulthood. Our system therefore provides a method to overcome cellular compatibility issues that typically restrict chimera formation. Application of this type of approach could broaden the use of embryonic chimeras, including region-specific chimeras, for basic developmental biology research and regenerative medicine.
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Affiliation(s)
- Hideki Masaki
- Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
| | - Megumi Kato-Itoh
- Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
| | - Yusuke Takahashi
- Institute for Stem Cell Biology and Regenerative Medicine, Department of Genetics, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Ayumi Umino
- Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
| | - Hideyuki Sato
- Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
| | - Keiichi Ito
- Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
| | - Ayaka Yanagida
- Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
| | - Toshinobu Nishimura
- Institute for Stem Cell Biology and Regenerative Medicine, Department of Genetics, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Tomoyuki Yamaguchi
- Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
| | - Masumi Hirabayashi
- Center for Genetic Analysis of Behavior, National Institute for Physiological Sciences, Okazaki-shi, Aichi-ken 444-0864, Japan
| | - Takumi Era
- Department of Cell Modulation, Institute of Molecular Embryology and Genetics, Kumamoto University, Chuo-ku, Kumamoto 860-8555, Japan
| | - Kyle M Loh
- Institute for Stem Cell Biology and Regenerative Medicine and Ludwig Center for Cancer Stem Cell Biology and Medicine, Departments of Pathology and Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Sean M Wu
- Stanford Cardiovascular Institute, Division of Cardiovascular Medicine, Department of Medicine, Institute for Stem Cell Biology and Regenerative Medicine and Child Health Research Institute, Stanford University School of Medicine, CA 94305, USA
| | - Irving L Weissman
- Institute for Stem Cell Biology and Regenerative Medicine and Ludwig Center for Cancer Stem Cell Biology and Medicine, Departments of Pathology and Developmental Biology, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Hiromitsu Nakauchi
- Center for Stem Cell Biology and Regenerative Medicine, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan; Institute for Stem Cell Biology and Regenerative Medicine, Department of Genetics, Stanford University School of Medicine, Stanford, CA 94305, USA.
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41
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Abstract
The germ cell lineage originates early in development and undergoes a series of complex developmental processes that culminate in the generation of fully matured gametes, the spermatozoa and the oocytes. Remarkably, researchers have been recapitulating these developmental pathways using mouse and human pluripotent stem cells (PSCs). With further studies, including those involving non-human primate models, human gametogenesis may be fully reconstituted from PSCs, which would profoundly facilitate our understanding of human germ cell development and infertility. Here we discuss groundbreaking studies that lay the foundation for this achievement, the current state of the field, and challenges for deriving gametes from hPSCs.
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Affiliation(s)
- Mitinori Saitou
- Department of Anatomy and Cell Biology, Graduate School of Medicine, Kyoto University, Yoshida-Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan; JST, ERATO, Yoshida-Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan; Center for Induced Pluripotent Stem Cell Research and Application, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan; Institute for Integrated Cell-Material Sciences, Kyoto University, Yoshida-Ushinomiya-cho, Sakyo-ku, Kyoto 606-8501, Japan.
| | - Hidetaka Miyauchi
- Department of Anatomy and Cell Biology, Graduate School of Medicine, Kyoto University, Yoshida-Konoe-cho, Sakyo-ku, Kyoto 606-8501, Japan
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42
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Fisher JB, Pulakanti K, Rao S, Duncan SA. GATA6 is essential for endoderm formation from human pluripotent stem cells. Biol Open 2017; 6:1084-1095. [PMID: 28606935 PMCID: PMC5550920 DOI: 10.1242/bio.026120] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Protocols have been established that direct differentiation of human pluripotent stem cells into a variety of cell types, including the endoderm and its derivatives. This model of differentiation has been useful for investigating the molecular mechanisms that guide human developmental processes. Using a directed differentiation protocol combined with shRNA depletion we sought to understand the role of GATA6 in regulating the earliest switch from pluripotency to definitive endoderm. We reveal that GATA6 depletion during endoderm formation results in apoptosis of nascent endoderm cells, concomitant with a loss of endoderm gene expression. We show by chromatin immunoprecipitation followed by DNA sequencing that GATA6 directly binds to several genes encoding transcription factors that are necessary for endoderm differentiation. Our data support the view that GATA6 is a central regulator of the formation of human definitive endoderm from pluripotent stem cells by directly controlling endoderm gene expression. Summary: Using the differentiation of huESCs as a model for endoderm formation, we reveal that the transcription factor GATA6 regulates the onset of endoderm gene expression and is required for its viability.
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Affiliation(s)
- J B Fisher
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI 53226, USA.,Blood Center of Wisconsin, Milwaukee, WI 53226, USA
| | - K Pulakanti
- Blood Center of Wisconsin, Milwaukee, WI 53226, USA
| | - S Rao
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI 53226, USA.,Blood Center of Wisconsin, Milwaukee, WI 53226, USA.,Division of Pediatric Hematology, Oncology, and Blood and Marrow Transplant, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - S A Duncan
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, WI 53226, USA .,Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, SC 29425, USA
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43
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Mulas C, Kalkan T, Smith A. NODAL Secures Pluripotency upon Embryonic Stem Cell Progression from the Ground State. Stem Cell Reports 2017; 9:77-91. [PMID: 28669603 PMCID: PMC5511111 DOI: 10.1016/j.stemcr.2017.05.033] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 05/24/2017] [Accepted: 05/25/2017] [Indexed: 02/02/2023] Open
Abstract
Naive mouse embryonic stem cells (ESCs) can develop multiple fates, but the cellular and molecular processes that enable lineage competence are poorly characterized. Here, we investigated progression from the ESC ground state in defined culture. We utilized downregulation of Rex1::GFPd2 to track the loss of ESC identity. We found that cells that have newly downregulated this reporter have acquired capacity for germline induction. They can also be efficiently specified for different somatic lineages, responding more rapidly than naive cells to inductive cues. Inhibition of autocrine NODAL signaling did not alter kinetics of exit from the ESC state but compromised both germline and somatic lineage specification. Transient inhibition prior to loss of ESC identity was sufficient for this effect. Genetic ablation of Nodal reduced viability during early differentiation, consistent with defective lineage specification. These results suggest that NODAL promotes acquisition of multi-lineage competence in cells departing naive pluripotency.
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Affiliation(s)
- Carla Mulas
- Wellcome Trust – Medical Research Council Stem Cell Institute, University of Cambridge, Tennis Court Road, Cambridge CB2 1QR, UK,Department of Biochemistry, University of Cambridge, Tennis Court Road, Cambridge CB2 1GA, UK
| | - Tüzer Kalkan
- Wellcome Trust – Medical Research Council Stem Cell Institute, University of Cambridge, Tennis Court Road, Cambridge CB2 1QR, UK
| | - Austin Smith
- Wellcome Trust – Medical Research Council Stem Cell Institute, University of Cambridge, Tennis Court Road, Cambridge CB2 1QR, UK,Department of Biochemistry, University of Cambridge, Tennis Court Road, Cambridge CB2 1GA, UK,Corresponding author
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44
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Ogawa R, Fujita K, Ito K. Mouse embryonic dorsal root ganglia contain pluripotent stem cells that show features similar to embryonic stem cells and induced pluripotent stem cells. Biol Open 2017; 6:602-618. [PMID: 28373172 PMCID: PMC5450311 DOI: 10.1242/bio.021758] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
In the present study, we showed that the dorsal root ganglion (DRG) in the mouse embryo contains pluripotent stem cells (PSCs) that have developmental capacities equivalent to those of embryonic stem (ES) cells and induced pluripotent stem cells. Mouse embryonic DRG cells expressed pluripotency-related transcription factors [octamer-binding transcription factor 4, SRY (sex determining region Y)-box containing gene (Sox) 2, and Nanog] that play essential roles in maintaining the pluripotency of ES cells. Furthermore, the DRG cells differentiated into ectoderm-, mesoderm- and endoderm-derived cells. In addition, these cells produced primordial germ cell-like cells and embryoid body-like spheres. We also showed that the combination of leukemia inhibitor factor/bone morphogenetic protein 2/fibroblast growth factor 2 effectively promoted maintenance of the pluripotency of the PSCs present in DRGs, as well as that of neural crest-derived stem cells (NCSCs) in DRGs, which were previously shown to be present there. Furthermore, the expression of pluripotency-related transcription factors in the DRG cells was regulated by chromodomain helicase DNA-binding protein 7 and Sox10, which are indispensable for the formation of NCSCs, and vice versa. These findings support the possibility that PSCs in mouse embryonic DRGs are NCSCs.
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Affiliation(s)
- Ryuhei Ogawa
- Department of Biological Sciences, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Kyohei Fujita
- Department of Biological Sciences, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Kazuo Ito
- Department of Biological Sciences, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
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Abeln M, Borst KM, Cajic S, Thiesler H, Kats E, Albers I, Kuhn M, Kaever V, Rapp E, Münster-Kühnel A, Weinhold B. Sialylation Is Dispensable for Early Murine Embryonic Development in Vitro. Chembiochem 2017; 18:1305-1316. [PMID: 28374933 PMCID: PMC5502888 DOI: 10.1002/cbic.201700083] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Indexed: 12/19/2022]
Abstract
The negatively charged nonulose sialic acid (Sia) is essential for murine development in vivo. In order to elucidate the impact of sialylation on differentiation processes in the absence of maternal influences, we generated mouse embryonic stem cell (mESC) lines that lack CMP‐Sia synthetase (CMAS) and thereby the ability to activate Sia to CMP‐Sia. Loss of CMAS activity resulted in an asialo cell surface accompanied by an increase in glycoconjugates with terminal galactosyl and oligo‐LacNAc residues, as well as intracellular accumulation of free Sia. Remarkably, these changes did not impact intracellular metabolites or the morphology and transcriptome of pluripotent mESC lines. Moreover, the capacity of Cmas−/− mESCs for undirected differentiation into embryoid bodies, germ layer formation and even the generation of beating cardiomyocytes provides first and conclusive evidence that pluripotency and differentiation of mESC in vitro can proceed in the absence of (poly)sialoglycans.
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Affiliation(s)
- Markus Abeln
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Kristina M Borst
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Samanta Cajic
- Max Planck Institute for Dynamics of Complex Technical Systems, Sandtorstrasse 1, 39106, Magdeburg, Germany
| | - Hauke Thiesler
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Elina Kats
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Iris Albers
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Maike Kuhn
- TWINCORE Centre for Experimental and Clinical Infection Research GmbH, A joint venture between Hannover Medical School, Feodor-Lynen-Strasse 7, 30625, Hannover, Germany.,Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124, Braunschweig, Germany
| | - Volkhard Kaever
- Research Core Unit Metabolomics, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Erdmann Rapp
- Max Planck Institute for Dynamics of Complex Technical Systems, Sandtorstrasse 1, 39106, Magdeburg, Germany.,glyXera GmbH, Leipziger Strasse 44, 39120, Magdeburg, Germany
| | - Anja Münster-Kühnel
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
| | - Birgit Weinhold
- Institute of Clinical Biochemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, 30625, Hannover, Germany
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Korostylev A, Mahaddalkar PU, Keminer O, Hadian K, Schorpp K, Gribbon P, Lickert H. A high-content small molecule screen identifies novel inducers of definitive endoderm. Mol Metab 2017; 6:640-650. [PMID: 28702321 PMCID: PMC5485240 DOI: 10.1016/j.molmet.2017.04.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 04/13/2017] [Accepted: 04/25/2017] [Indexed: 01/28/2023] Open
Abstract
Objectives Human embryonic stem cells (hESCs) and human induced pluripotent stem cells (hiPSCs) can generate any given cell type in the human body. One challenge for cell-replacement therapy is the efficient differentiation and expansion of large quantities of progenitor cells from pluripotent stem cells produced under good manufacturing practice (GMP). FOXA2 and SOX17 double positive definitive endoderm (DE) progenitor cells can give rise to all endoderm-derived cell types in the thymus, thyroid, lung, pancreas, liver, and gastrointestinal tract. FOXA2 is a pioneer transcription factor in DE differentiation that is also expressed and functionally required during pancreas development and islet cell homeostasis. Current differentiation protocols can successfully generate endoderm; however, generation of mature glucose-sensitive and insulin-secreting β-cells is still a challenge. As a result, it is of utmost importance to screen for small molecules that can improve DE and islet cell differentiation for cell-replacement therapy for diabetic patients. Methods The aim of this study was to identify and validate small molecules that can induce DE differentiation and further enhance pancreatic progenitor differentiation. Therefore, we developed a large scale, high-content screen for testing a chemical library of 23,406 small molecules to identify compounds that induce FoxA2 in mouse embryonic stem cells (mESCs). Results Based on our high-content screen algorithm, we selected 84 compounds that directed differentiation of mESCs towards the FoxA2 lineage. Strikingly, we identified ROCK inhibition (ROCKi) as a novel mechanism of endoderm induction in mESCs and hESCs. DE induced by the ROCK inhibitor Fasudil efficiently gives rise to PDX1+ pancreatic progenitors from hESCs. Conclusion Taken together, DE induction by ROCKi can simplify and improve current endoderm and pancreatic differentiation protocols towards a GMP-grade cell product for β-cell replacement. High content screen of 23,406 small molecules identifies novel definitive endoderm inducers Fasudil and RKI-1447 in mESCs. Fasudil and RKI-1447 induce anterior definitive endoderm differentiation in mESCs and hESCs through ROCK inhibition. Fasudil and RKI-1447 further differentiates the ADE cells into PDX1+ pancreatic progenitors.
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Affiliation(s)
- Alexander Korostylev
- Institute for Diabetes and Regeneration, Helmholtz Zentrum München, Germany.,Institute for Stem Cell Research, Helmholtz Zentrum München, Germany
| | | | - Oliver Keminer
- Fraunhofer-Institut für Molekularbiologie und Angewandte Ökologie IME, ScreeningPort, 22525, Hamburg, Germany
| | - Kamyar Hadian
- Assay Development and Screening Platform, Helmholtz Zentrum München, Germany
| | - Kenji Schorpp
- Assay Development and Screening Platform, Helmholtz Zentrum München, Germany
| | - Philip Gribbon
- Fraunhofer-Institut für Molekularbiologie und Angewandte Ökologie IME, ScreeningPort, 22525, Hamburg, Germany
| | - Heiko Lickert
- Institute for Diabetes and Regeneration, Helmholtz Zentrum München, Germany.,Institute for Stem Cell Research, Helmholtz Zentrum München, Germany
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Nishimura T, Unezaki N, Kanegi R, Wijesekera DPH, Hatoya S, Sugiura K, Kawate N, Tamada H, Imai H, Inaba T. Generation of Canine Induced Extraembryonic Endoderm-Like Cell Line That Forms Both Extraembryonic and Embryonic Endoderm Derivatives. Stem Cells Dev 2017; 26:1111-1120. [PMID: 28474540 DOI: 10.1089/scd.2017.0026] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Extraembryonic endoderm (XEN) cells are stem cell lines derived from primitive endoderm cells of inner cell mass in blastocysts. These cells have self-renewal properties and differentiate into visceral endoderm (VE) and parietal endoderm (PE) of the yolk sac. Recently, it has been reported that XEN cells can contribute to fetal embryonic endoderm, and their unique potency has been evaluated. In this study, we have described the induction and characterization of new canine stem cell lines that closely resemble to XEN cells. These cells, which we designated canine induced XEN (ciXEN)-like cells, were induced from canine embryonic fibroblasts by introducing four transgenes. ciXEN-like cells expressed XEN markers, which could be maintained over 50 passages in N2B27 medium supplemented with inhibitors of mitogen-activated protein kinase p38 and transforming growth factor-beta 1. Our ciXEN-like cells were maintained without transgene expression and exhibited upregulated expression of VE and PE markers in feeder-free conditions. The cells differentiated from ciXEN-like cells using a coculture system showed multiple nuclei and expressed albumin protein, similar to characteristics of hepatocytes. Furthermore, these cells expressed the adult hepatocyte marker, CYP3A4. Interestingly, these cells also formed a net structure expressing the bile epithelium capillary marker, multidrug resistance-associated protein 2. Thus, we have demonstrated the induction of a new canine stem cell line, ciXEN-like cells, which could form an embryonic endodermal cell layer. Our ciXEN-like cells may be a helpful tool to study the canine embryo development and represent a promising cell source for proceeding human and canine regenerative medicine.
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Affiliation(s)
- Toshiya Nishimura
- 1 Department of Advanced Pathobiology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University , Osaka, Japan
| | - Naoya Unezaki
- 1 Department of Advanced Pathobiology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University , Osaka, Japan
| | - Ryoji Kanegi
- 1 Department of Advanced Pathobiology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University , Osaka, Japan
| | | | - Shingo Hatoya
- 1 Department of Advanced Pathobiology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University , Osaka, Japan
| | - Kikuya Sugiura
- 1 Department of Advanced Pathobiology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University , Osaka, Japan
| | - Noritoshi Kawate
- 1 Department of Advanced Pathobiology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University , Osaka, Japan
| | - Hiromichi Tamada
- 1 Department of Advanced Pathobiology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University , Osaka, Japan
| | - Hiroshi Imai
- 2 Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University , Kyoto, Japan
| | - Toshio Inaba
- 1 Department of Advanced Pathobiology, Graduate School of Life and Environmental Sciences, Osaka Prefecture University , Osaka, Japan
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Kaitsuka T, Kobayashi K, Otsuka W, Kubo T, Hakim F, Wei FY, Shiraki N, Kume S, Tomizawa K. Erythropoietin facilitates definitive endodermal differentiation of mouse embryonic stem cells via activation of ERK signaling. Am J Physiol Cell Physiol 2017; 312:C573-C582. [PMID: 28298334 DOI: 10.1152/ajpcell.00071.2016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 03/06/2017] [Accepted: 03/06/2017] [Indexed: 01/07/2023]
Abstract
Artificially generated pancreatic β-cells from pluripotent stem cells are expected for cell replacement therapy for type 1 diabetes. Several strategies are adopted to direct pluripotent stem cells toward pancreatic differentiation. However, a standard differentiation method for clinical application has not been established. It is important to develop more effective and safer methods for generating pancreatic β-cells without toxic or mutagenic chemicals. In the present study, we screened several endogenous factors involved in organ development to identify the factor, which induced the efficiency of pancreatic differentiation and found that treatment with erythropoietin (EPO) facilitated the differentiation of mouse embryonic stem cells (ESCs) into definitive endoderm. At an early stage of differentiation, EPO treatment significantly increased Sox17 gene expression, as a marker of the definitive endoderm. Contrary to the canonical function of EPO, it did not affect the levels of phosphorylated JAK2 and STAT5, but stimulated the phosphorylation of ERK1/2 and Akt. The MEK inhibitor U0126 significantly inhibited EPO-induced Sox17 expression. The differentiation of ESCs into definitive endoderm is an important step for the differentiation into pancreatic and other endodermal lineages. This study suggests a possible role of EPO in embryonic endodermal development and a new agent for directing the differentiation into endodermal lineages like pancreatic β-cells.
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Affiliation(s)
- Taku Kaitsuka
- Department of Molecular Physiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Kohei Kobayashi
- Department of Molecular Physiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Wakako Otsuka
- Department of Molecular Physiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Takuya Kubo
- Department of Molecular Physiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Farzana Hakim
- Department of Molecular Physiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Fan-Yan Wei
- Department of Molecular Physiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Nobuaki Shiraki
- Department of Stem Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan; and.,Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama, Japan
| | - Shoen Kume
- Department of Stem Cell Biology, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan; and.,Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama, Japan
| | - Kazuhito Tomizawa
- Department of Molecular Physiology, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan;
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Kim N, Minami N, Yamada M, Imai H. Immobilized pH in culture reveals an optimal condition for somatic cell reprogramming and differentiation of pluripotent stem cells. Reprod Med Biol 2016; 16:58-66. [PMID: 29259452 PMCID: PMC5715877 DOI: 10.1002/rmb2.12011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2016] [Accepted: 09/28/2016] [Indexed: 12/17/2022] Open
Abstract
Aim One of the parameters that greatly affects homeostasis in the body is the pH. Regarding reproductive biology, germ cells, such as oocytes or sperm, are exposed to severe changes in pH, resulting in dramatic changes in their characteristics. To date, the effect of the pH has not been investigated regarding the reprogramming of somatic cells and the maintenance and differentiation of pluripotent stem cells. Methods In order to investigate the effects of the pH on cell culture, the methods to produce induced pluripotent stem cells (iPSCs) and to differentiate embryonic stem cells (ESCs) into mesendoderm and neuroectoderm were performed at each medium pH from 6.6 to 7.8. Using the cells of the Oct4‐GFP (green fluorescent protein) carrying mouse, the effects of pH changes were examined on the timing and colony formation at cell reprogramming and on the cell morphology and direction of the differentiation of the ESCs. Results The colony formation rate and timing of the reprogramming of the somatic cells varied depending on the pH of the culture medium. In addition, mesendodermal differentiation of the mouse ESCs was enhanced at the high pH level of 7.8. Conclusion These results suggest that the pH in the culture medium is one of the key factors in the induction of the reprogramming of somatic cells and in the differentiation of pluripotent stem cells.
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Affiliation(s)
- Narae Kim
- Laboratory of Reproductive Biology Graduate School of Agriculture Kyoto University Kyoto Japan
| | - Naojiro Minami
- Laboratory of Reproductive Biology Graduate School of Agriculture Kyoto University Kyoto Japan
| | - Masayasu Yamada
- Laboratory of Reproductive Biology Graduate School of Agriculture Kyoto University Kyoto Japan
| | - Hiroshi Imai
- Laboratory of Reproductive Biology Graduate School of Agriculture Kyoto University Kyoto Japan
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Porciuncula A, Kumar A, Rodriguez S, Atari M, Araña M, Martin F, Soria B, Prosper F, Verfaillie C, Barajas M. Pancreatic differentiation of Pdx1-GFP reporter mouse induced pluripotent stem cells. Differentiation 2016; 92:249-256. [DOI: 10.1016/j.diff.2016.04.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 04/22/2016] [Accepted: 04/27/2016] [Indexed: 01/25/2023]
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