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Ray A, Joshi JM, Sundaravadivelu PK, Raina K, Lenka N, Kaveeshwar V, Thummer RP. An Overview on Promising Somatic Cell Sources Utilized for the Efficient Generation of Induced Pluripotent Stem Cells. Stem Cell Rev Rep 2021; 17:1954-1974. [PMID: 34100193 DOI: 10.1007/s12015-021-10200-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/02/2021] [Indexed: 01/19/2023]
Abstract
Human induced Pluripotent Stem Cells (iPSCs) have enormous potential in understanding developmental biology, disease modeling, drug discovery, and regenerative medicine. The initial human iPSC studies used fibroblasts as a starting cell source to reprogram them; however, it has been identified to be a less appealing somatic cell source by numerous studies due to various reasons. One of the important criteria to achieve efficient reprogramming is determining an appropriate starting somatic cell type to induce pluripotency since the cellular source has a major influence on the reprogramming efficiency, kinetics, and quality of iPSCs. Therefore, numerous groups have explored various somatic cell sources to identify the promising sources for reprogramming into iPSCs with different reprogramming factor combinations. This review provides an overview of promising easily accessible somatic cell sources isolated in non-invasive or minimally invasive manner such as keratinocytes, urine cells, and peripheral blood mononuclear cells used for the generation of human iPSCs derived from healthy and diseased subjects. Notably, iPSCs generated from one of these cell types derived from the patient will offer ethical and clinical advantages. In addition, these promising somatic cell sources have the potential to efficiently generate bona fide iPSCs with improved reprogramming efficiency and faster kinetics. This knowledge will help in establishing strategies for safe and efficient reprogramming and the generation of patient-specific iPSCs from these cell types.
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Affiliation(s)
- Arnab Ray
- Laboratory for Stem Cell Engineering and Regenerative Medicine, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Jahnavy Madhukar Joshi
- Central Research Laboratory, SDM College of Medical Sciences and Hospital, Shri Dharmasthala Manjunatheshwara University, Dharwad, 580009, Karnataka, India
| | - Pradeep Kumar Sundaravadivelu
- Laboratory for Stem Cell Engineering and Regenerative Medicine, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Khyati Raina
- Laboratory for Stem Cell Engineering and Regenerative Medicine, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Nibedita Lenka
- National Centre for Cell Science, S. P. Pune University Campus, Pune - 411007, Ganeshkhind, Maharashtra, India
| | - Vishwas Kaveeshwar
- Central Research Laboratory, SDM College of Medical Sciences and Hospital, Shri Dharmasthala Manjunatheshwara University, Dharwad, 580009, Karnataka, India.
| | - Rajkumar P Thummer
- Laboratory for Stem Cell Engineering and Regenerative Medicine, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India.
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Park TS, Zimmerlin L, Evans-Moses R, Thomas J, Huo JS, Kanherkar R, He A, Ruzgar N, Grebe R, Bhutto I, Barbato M, Koldobskiy MA, Lutty G, Zambidis ET. Vascular progenitors generated from tankyrase inhibitor-regulated naïve diabetic human iPSC potentiate efficient revascularization of ischemic retina. Nat Commun 2020; 11:1195. [PMID: 32139672 PMCID: PMC7058090 DOI: 10.1038/s41467-020-14764-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 01/28/2020] [Indexed: 01/15/2023] Open
Abstract
Here, we report that the functionality of vascular progenitors (VP) generated from normal and disease-primed conventional human induced pluripotent stem cells (hiPSC) can be significantly improved by reversion to a tankyrase inhibitor-regulated human naïve epiblast-like pluripotent state. Naïve diabetic vascular progenitors (N-DVP) differentiated from patient-specific naïve diabetic hiPSC (N-DhiPSC) possessed higher vascular functionality, maintained greater genomic stability, harbored decreased lineage-primed gene expression, and were more efficient in migrating to and re-vascularizing the deep neural layers of the ischemic retina than isogenic diabetic vascular progenitors (DVP). These findings suggest that reprogramming to a stable naïve human pluripotent stem cell state may effectively erase dysfunctional epigenetic donor cell memory or disease-associated aberrations in patient-specific hiPSC. More broadly, tankyrase inhibitor-regulated naïve hiPSC (N-hiPSC) represent a class of human stem cells with high epigenetic plasticity, improved multi-lineage functionality, and potentially high impact for regenerative medicine.
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Affiliation(s)
- Tea Soon Park
- Institute for Cell Engineering, Department of Oncology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Ludovic Zimmerlin
- Institute for Cell Engineering, Department of Oncology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Rebecca Evans-Moses
- Institute for Cell Engineering, Department of Oncology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Justin Thomas
- Institute for Cell Engineering, Department of Oncology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Jeffrey S Huo
- Institute for Cell Engineering, Department of Oncology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Riya Kanherkar
- Institute for Cell Engineering, Department of Oncology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Alice He
- Institute for Cell Engineering, Department of Oncology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Nensi Ruzgar
- Institute for Cell Engineering, Department of Oncology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Rhonda Grebe
- Wilmer Eye Institute, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Imran Bhutto
- Wilmer Eye Institute, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Michael Barbato
- Institute for Cell Engineering, Department of Oncology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Michael A Koldobskiy
- Institute for Cell Engineering, Department of Oncology, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Gerard Lutty
- Wilmer Eye Institute, The Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Elias T Zambidis
- Institute for Cell Engineering, Department of Oncology, The Johns Hopkins School of Medicine, Baltimore, MD, USA.
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3
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Liu G, David BT, Trawczynski M, Fessler RG. Advances in Pluripotent Stem Cells: History, Mechanisms, Technologies, and Applications. Stem Cell Rev Rep 2020; 16:3-32. [PMID: 31760627 PMCID: PMC6987053 DOI: 10.1007/s12015-019-09935-x] [Citation(s) in RCA: 228] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Over the past 20 years, and particularly in the last decade, significant developmental milestones have driven basic, translational, and clinical advances in the field of stem cell and regenerative medicine. In this article, we provide a systemic overview of the major recent discoveries in this exciting and rapidly developing field. We begin by discussing experimental advances in the generation and differentiation of pluripotent stem cells (PSCs), next moving to the maintenance of stem cells in different culture types, and finishing with a discussion of three-dimensional (3D) cell technology and future stem cell applications. Specifically, we highlight the following crucial domains: 1) sources of pluripotent cells; 2) next-generation in vivo direct reprogramming technology; 3) cell types derived from PSCs and the influence of genetic memory; 4) induction of pluripotency with genomic modifications; 5) construction of vectors with reprogramming factor combinations; 6) enhancing pluripotency with small molecules and genetic signaling pathways; 7) induction of cell reprogramming by RNA signaling; 8) induction and enhancement of pluripotency with chemicals; 9) maintenance of pluripotency and genomic stability in induced pluripotent stem cells (iPSCs); 10) feeder-free and xenon-free culture environments; 11) biomaterial applications in stem cell biology; 12) three-dimensional (3D) cell technology; 13) 3D bioprinting; 14) downstream stem cell applications; and 15) current ethical issues in stem cell and regenerative medicine. This review, encompassing the fundamental concepts of regenerative medicine, is intended to provide a comprehensive portrait of important progress in stem cell research and development. Innovative technologies and real-world applications are emphasized for readers interested in the exciting, promising, and challenging field of stem cells and those seeking guidance in planning future research direction.
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Affiliation(s)
- Gele Liu
- Department of Neurosurgery, Rush University Medical College, 1725 W. Harrison St., Suite 855, Chicago, IL, 60612, USA.
| | - Brian T David
- Department of Neurosurgery, Rush University Medical College, 1725 W. Harrison St., Suite 855, Chicago, IL, 60612, USA
| | - Matthew Trawczynski
- Department of Neurosurgery, Rush University Medical College, 1725 W. Harrison St., Suite 855, Chicago, IL, 60612, USA
| | - Richard G Fessler
- Department of Neurosurgery, Rush University Medical College, 1725 W. Harrison St., Suite 855, Chicago, IL, 60612, USA
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Wang AYL, Loh CYY. Episomal Induced Pluripotent Stem Cells: Functional and Potential Therapeutic Applications. Cell Transplant 2019; 28:112S-131S. [PMID: 31722555 PMCID: PMC7016470 DOI: 10.1177/0963689719886534] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The term episomal induced pluripotent stem cells (EiPSCs) refers to somatic cells that are reprogrammed into induced pluripotent stem cells (iPSCs) using non-integrative episomal vector methods. This reprogramming process has a better safety profile compared with integrative methods using viruses. There is a current trend toward using episomal plasmid reprogramming to generate iPSCs because of the improved safety profile. Clinical reports of potential human cell sources that have been successfully reprogrammed into EiPSCs are increasing, but no review or summary has been published. The functional applications of EiPSCs and their potential uses in various conditions have been described, and these may be applicable to clinical scenarios. This review summarizes the current direction of EiPSC research and the properties of these cells with the aim of explaining their potential role in clinical applications and functional restoration.
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Affiliation(s)
- Aline Yen Ling Wang
- Center for Vascularized Composite Allotransplantation, Chang Gung Memorial Hospital, Taoyuan, Taiwan.,*Both the authors contributed equally to this article
| | - Charles Yuen Yung Loh
- St Andrew's Center for Burns and Plastic Surgery, Chelmsford, United Kingdom.,*Both the authors contributed equally to this article
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5
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Okumura T, Horie Y, Lai CY, Lin HT, Shoda H, Natsumoto B, Fujio K, Kumaki E, Okano T, Ono S, Tanita K, Morio T, Kanegane H, Hasegawa H, Mizoguchi F, Kawahata K, Kohsaka H, Moritake H, Nunoi H, Waki H, Tamaru SI, Sasako T, Yamauchi T, Kadowaki T, Tanaka H, Kitanaka S, Nishimura K, Ohtaka M, Nakanishi M, Otsu M. Robust and highly efficient hiPSC generation from patient non-mobilized peripheral blood-derived CD34 + cells using the auto-erasable Sendai virus vector. Stem Cell Res Ther 2019; 10:185. [PMID: 31234949 PMCID: PMC6591940 DOI: 10.1186/s13287-019-1273-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 05/18/2019] [Accepted: 05/21/2019] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Disease modeling with patient-derived induced pluripotent stem cells (iPSCs) is a powerful tool for elucidating the mechanisms underlying disease pathogenesis and developing safe and effective treatments. Patient peripheral blood (PB) cells are used for iPSC generation in many cases since they can be collected with minimum invasiveness. To derive iPSCs that lack immunoreceptor gene rearrangements, hematopoietic stem and progenitor cells (HSPCs) are often targeted as the reprogramming source. However, the current protocols generally require HSPC mobilization and/or ex vivo expansion owing to their sparsity at the steady state and low reprogramming efficiencies, making the overall procedure costly, laborious, and time-consuming. METHODS We have established a highly efficient method for generating iPSCs from non-mobilized PB-derived CD34+ HSPCs. The source PB mononuclear cells were obtained from 1 healthy donor and 15 patients and were kept frozen until the scheduled iPSC generation. CD34+ HSPC enrichment was done using immunomagnetic beads, with no ex vivo expansion culture. To reprogram the CD34+-rich cells to pluripotency, the Sendai virus vector SeVdp-302L was used to transfer four transcription factors: KLF4, OCT4, SOX2, and c-MYC. In this iPSC generation series, the reprogramming efficiencies, success rates of iPSC line establishment, and progression time were recorded. After generating the iPSC frozen stocks, the cell recovery and their residual transgenes, karyotypes, T cell receptor gene rearrangement, pluripotency markers, and differentiation capability were examined. RESULTS We succeeded in establishing 223 iPSC lines with high reprogramming efficiencies from 15 patients with 8 different disease types. Our method allowed the rapid appearance of primary colonies (~ 8 days), all of which were expandable under feeder-free conditions, enabling robust establishment steps with less workload. After thawing, the established iPSC lines were verified to be pluripotency marker-positive and of non-T cell origin. A majority of the iPSC lines were confirmed to be transgene-free, with normal karyotypes. Their trilineage differentiation capability was also verified in a defined in vitro assay. CONCLUSION This robust and highly efficient method enables the rapid and cost-effective establishment of transgene-free iPSC lines from a small volume of PB, thus facilitating the biobanking of patient-derived iPSCs and their use for the modeling of various diseases.
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Affiliation(s)
- Takashi Okumura
- Division of Stem Cell Processing/Stem Cell Bank, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, 108-8639 Japan
| | - Yumi Horie
- Division of Stem Cell Processing/Stem Cell Bank, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, 108-8639 Japan
| | - Chen-Yi Lai
- Division of Stem Cell Processing/Stem Cell Bank, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, 108-8639 Japan
| | - Huan-Ting Lin
- Division of Stem Cell Processing/Stem Cell Bank, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, 108-8639 Japan
| | - Hirofumi Shoda
- Department of Allergy and Rheumatology, Graduation School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Bunki Natsumoto
- Department of Allergy and Rheumatology, Graduation School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Keishi Fujio
- Department of Allergy and Rheumatology, Graduation School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Eri Kumaki
- Department of Pediatrics and Developmental Biology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Tsubasa Okano
- Department of Pediatrics and Developmental Biology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shintaro Ono
- Department of Pediatrics and Developmental Biology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kay Tanita
- Department of Pediatrics and Developmental Biology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Tomohiro Morio
- Department of Pediatrics and Developmental Biology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hirokazu Kanegane
- Department of Child Health and Development, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hisanori Hasegawa
- Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Fumitaka Mizoguchi
- Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kimito Kawahata
- Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
- Division of Rheumatology and Allergy, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Kanagawa Japan
| | - Hitoshi Kohsaka
- Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hiroshi Moritake
- Division of Pediatrics, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Hiroyuki Nunoi
- Division of Pediatrics, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan
| | - Hironori Waki
- Department of Diabetes and Metabolic Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Shin-ichi Tamaru
- Department of Diabetes and Metabolic Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takayoshi Sasako
- Department of Diabetes and Metabolic Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Molecular Sciences on Diabetes, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Toshimasa Yamauchi
- Department of Diabetes and Metabolic Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Takashi Kadowaki
- Department of Diabetes and Metabolic Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Prevention of Diabetes and Life-style Related Diseases, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- Department of Metabolism and Nutrition, Mizonokuchi Hospital, Teikyo University, Kawasaki, Kanagawa Japan
| | - Hiroyuki Tanaka
- Department of Pediatrics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Sachiko Kitanaka
- Department of Pediatrics, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Ken Nishimura
- Laboratory of Gene Regulation, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Manami Ohtaka
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan
- TOKIWA-Bio Inc., Tsukuba, Ibaraki, Japan
| | - Mahito Nakanishi
- Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan
- TOKIWA-Bio Inc., Tsukuba, Ibaraki, Japan
| | - Makoto Otsu
- Division of Stem Cell Processing/Stem Cell Bank, Center for Stem Cell Biology and Regenerative Medicine, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo, 108-8639 Japan
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Park TS, Zimmerlin L, Evans-Moses R, Zambidis ET. Chemical Reversion of Conventional Human Pluripotent Stem Cells to a Naïve-like State with Improved Multilineage Differentiation Potency. J Vis Exp 2018. [PMID: 29939183 DOI: 10.3791/57921] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Naïve human pluripotent stem cells (N-hPSC) with improved functionality may have a wide impact in regenerative medicine. The goal of this protocol is to efficiently revert lineage-primed, conventional human pluripotent stem cells (hPSC) maintained on either feeder-free or feeder-dependent conditions to a naïve-like pluripotency with improved functionality. This chemical naïve reversion method employs the classical leukemia inhibitory factor (LIF), GSK3β, and MEK/ERK inhibition cocktail (LIF-2i), supplemented with only a tankyrase inhibitor XAV939 (LIF-3i). LIF-3i reverts conventional hPSC to a stable pluripotent state adopting biochemical, transcriptional, and epigenetic features of the human pre-implantation epiblast. This LIF-3i method requires minimal cell culture manipulation and is highly reproducible in a broad repertoire of human embryonic stem cell (hESC) and transgene-free human induced pluripotent stem cell (hiPSC) lines. The LIF-3i method does not require a re-priming step prior to the differentiation; N-hPSC can be differentiated directly with extremely high efficiencies and maintain karyotypic and epigenomic stabilities (including at imprinted loci). To increase the universality of the method, conventional hPSC are first cultured in the LIF-3i cocktail supplemented with two additional small molecules that potentiate protein kinase A (forskolin) and sonic hedgehog (sHH) (purmorphamine) signaling (LIF-5i). This brief LIF-5i adaptation step significantly enhances the initial clonal expansion of conventional hPSC and permits them to be subsequently naïve-reverted with LIF-3i alone in bulk quantities, thus obviating the need for picking/subcloning rare N-hPSC colonies later. LIF-5i-stabilized hPSCs are subsequently maintained in LIF-3i alone without the need of anti-apoptotic molecules. Most importantly, LIF-3i reversion markedly improves the functional pluripotency of a broad repertoire of conventional hPSC by decreasing their lineage-primed gene expression and erasing the interline variability of directed differentiation commonly observed amongst independent hPSC lines. Representative characterizations of LIF-3i-reverted N-hPSC are provided, and experimental strategies for functional comparisons of isogenic hPSC in lineage-primed vs. naïve-like states are outlined.
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Affiliation(s)
- Tea Soon Park
- Department of Oncology, Division of Pediatric Oncology and Institute for Cell Engineering, Johns Hopkins School of Medicine
| | - Ludovic Zimmerlin
- Department of Oncology, Division of Pediatric Oncology and Institute for Cell Engineering, Johns Hopkins School of Medicine;
| | - Rebecca Evans-Moses
- Department of Oncology, Division of Pediatric Oncology and Institute for Cell Engineering, Johns Hopkins School of Medicine
| | - Elias T Zambidis
- Department of Oncology, Division of Pediatric Oncology and Institute for Cell Engineering, Johns Hopkins School of Medicine;
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Zimmerlin L, Park TS, Zambidis ET. Capturing Human Naïve Pluripotency in the Embryo and in the Dish. Stem Cells Dev 2017; 26:1141-1161. [PMID: 28537488 DOI: 10.1089/scd.2017.0055] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Although human embryonic stem cells (hESCs) were first derived almost 20 years ago, it was only recently acknowledged that they share closer molecular and functional identity to postimplantation lineage-primed murine epiblast stem cells than to naïve preimplantation inner cell mass-derived mouse ESCs (mESCs). A myriad of transcriptional, epigenetic, biochemical, and metabolic attributes have now been described that distinguish naïve and primed pluripotent states in both rodents and humans. Conventional hESCs and human induced pluripotent stem cells (hiPSCs) appear to lack many of the defining hallmarks of naïve mESCs. These include important features of the naïve ground state murine epiblast, such as an open epigenetic architecture, reduced lineage-primed gene expression, and chimera and germline competence following injection into a recipient blastocyst-stage embryo. Several transgenic and chemical methods were recently reported that appear to revert conventional human PSCs to mESC-like ground states. However, it remains unclear if subtle deviations in global transcription, cell signaling dependencies, and extent of epigenetic/metabolic shifts in these various human naïve-reverted pluripotent states represent true functional differences or alternatively the existence of distinct human pluripotent states along a spectrum. In this study, we review the current understanding and developmental features of various human pluripotency-associated phenotypes and discuss potential biological mechanisms that may support stable maintenance of an authentic epiblast-like ground state of human pluripotency.
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Affiliation(s)
- Ludovic Zimmerlin
- 1 Institute for Cell Engineering, Johns Hopkins University School of Medicine , Baltimore, Maryland.,2 Division of Pediatric Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins , Baltimore, Maryland
| | - Tea Soon Park
- 1 Institute for Cell Engineering, Johns Hopkins University School of Medicine , Baltimore, Maryland.,2 Division of Pediatric Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins , Baltimore, Maryland
| | - Elias T Zambidis
- 1 Institute for Cell Engineering, Johns Hopkins University School of Medicine , Baltimore, Maryland.,2 Division of Pediatric Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins , Baltimore, Maryland
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8
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Menendez JA, Alarcón T. Senescence-Inflammatory Regulation of Reparative Cellular Reprogramming in Aging and Cancer. Front Cell Dev Biol 2017; 5:49. [PMID: 28529938 PMCID: PMC5418360 DOI: 10.3389/fcell.2017.00049] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 04/18/2017] [Indexed: 12/16/2022] Open
Abstract
The inability of adult tissues to transitorily generate cells with functional stem cell-like properties is a major obstacle to tissue self-repair. Nuclear reprogramming-like phenomena that induce a transient acquisition of epigenetic plasticity and phenotype malleability may constitute a reparative route through which human tissues respond to injury, stress, and disease. However, tissue rejuvenation should involve not only the transient epigenetic reprogramming of differentiated cells, but also the committed re-acquisition of the original or alternative committed cell fate. Chronic or unrestrained epigenetic plasticity would drive aging phenotypes by impairing the repair or the replacement of damaged cells; such uncontrolled phenomena of in vivo reprogramming might also generate cancer-like cellular states. We herein propose that the ability of senescence-associated inflammatory signaling to regulate in vivo reprogramming cycles of tissue repair outlines a threshold model of aging and cancer. The degree of senescence/inflammation-associated deviation from the homeostatic state may delineate a type of thresholding algorithm distinguishing beneficial from deleterious effects of in vivo reprogramming. First, transient activation of NF-κB-related innate immunity and senescence-associated inflammatory components (e.g., IL-6) might facilitate reparative cellular reprogramming in response to acute inflammatory events. Second, para-inflammation switches might promote long-lasting but reversible refractoriness to reparative cellular reprogramming. Third, chronic senescence-associated inflammatory signaling might lock cells in highly plastic epigenetic states disabled for reparative differentiation. The consideration of a cellular reprogramming-centered view of epigenetic plasticity as a fundamental element of a tissue's capacity to undergo successful repair, aging degeneration or malignant transformation should provide challenging stochastic insights into the current deterministic genetic paradigm for most chronic diseases, thereby increasing the spectrum of therapeutic approaches for physiological aging and cancer.
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Affiliation(s)
- Javier A Menendez
- Metabolism and Cancer Group, Program Against Cancer Therapeutic Resistance, Catalan Institute of OncologyGirona, Spain.,Molecular Oncology Group, Girona Biomedical Research Institute (IDIBGI)Girona, Spain.,METABOSTEMBarcelona, Spain
| | - Tomás Alarcón
- Institució Catalana de Recerca i Estudis Avançats (ICREA)Barcelona, Spain.,Computational and Mathematical Biology Research Group, Centre de Recerca MatemàticaBarcelona, Spain.,Departament de Matemàtiques, Universitat Autònoma de BarcelonaBarcelona, Spain.,Barcelona Graduate School of MathematicsBarcelona, Spain
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9
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Brouwer M, Zhou H, Nadif Kasri N. Choices for Induction of Pluripotency: Recent Developments in Human Induced Pluripotent Stem Cell Reprogramming Strategies. Stem Cell Rev Rep 2016; 12:54-72. [PMID: 26424535 PMCID: PMC4720703 DOI: 10.1007/s12015-015-9622-8] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The ability to generate human induced pluripotent stem cells (iPSCs) from somatic cells provides tremendous promises for regenerative medicine and its use has widely increased over recent years. However, reprogramming efficiencies remain low and chromosomal instability and tumorigenic potential are concerns in the use of iPSCs, especially in clinical settings. Therefore, reprogramming methods have been under development to generate safer iPSCs with higher efficiency and better quality. Developments have mainly focused on the somatic cell source, the cocktail of reprogramming factors, the delivery method used to introduce reprogramming factors and culture conditions to maintain the generated iPSCs. This review discusses the developments on these topics and briefly discusses pros and cons of iPSCs in comparison with human embryonic stem cells generated from somatic cell nuclear transfer.
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Affiliation(s)
- Marinka Brouwer
- Department of Cognitive Neuroscience, Radboudumc, Nijmegen, 6500, HB, The Netherlands
| | - Huiqing Zhou
- Department of Human Genetics, Radboudumc, Nijmegen, 6500, HB, The Netherlands. .,Department of Molecular Developmental Biology, Faculty of Science, Radboud University, Nijmegen, 6500, HB, The Netherlands.
| | - Nael Nadif Kasri
- Department of Cognitive Neuroscience, Radboudumc, Nijmegen, 6500, HB, The Netherlands. .,Department of Human Genetics, Radboudumc, Nijmegen, 6500, HB, The Netherlands. .,Donders Institute for Brain, Cognition, and Behaviour , Centre for Neuroscience, Nijmegen, 6525, AJ, The Netherlands.
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10
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Zimmerlin L, Park TS, Huo JS, Verma K, Pather SR, Talbot CC, Agarwal J, Steppan D, Zhang YW, Considine M, Guo H, Zhong X, Gutierrez C, Cope L, Canto-Soler MV, Friedman AD, Baylin SB, Zambidis ET. Tankyrase inhibition promotes a stable human naïve pluripotent state with improved functionality. Development 2016; 143:4368-4380. [PMID: 27660325 DOI: 10.1242/dev.138982] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Accepted: 09/11/2016] [Indexed: 01/04/2023]
Abstract
The derivation and maintenance of human pluripotent stem cells (hPSCs) in stable naïve pluripotent states has a wide impact in human developmental biology. However, hPSCs are unstable in classical naïve mouse embryonic stem cell (ESC) WNT and MEK/ERK signal inhibition (2i) culture. We show that a broad repertoire of conventional hESC and transgene-independent human induced pluripotent stem cell (hiPSC) lines could be reverted to stable human preimplantation inner cell mass (ICM)-like naïve states with only WNT, MEK/ERK, and tankyrase inhibition (LIF-3i). LIF-3i-reverted hPSCs retained normal karyotypes and genomic imprints, and attained defining mouse ESC-like functional features, including high clonal self-renewal, independence from MEK/ERK signaling, dependence on JAK/STAT3 and BMP4 signaling, and naïve-specific transcriptional and epigenetic configurations. Tankyrase inhibition promoted a stable acquisition of a human preimplantation ICM-like ground state via modulation of WNT signaling, and was most efficacious in efficiently reprogrammed conventional hiPSCs. Importantly, naïve reversion of a broad repertoire of conventional hiPSCs reduced lineage-primed gene expression and significantly improved their multilineage differentiation capacities. Stable naïve hPSCs with reduced genetic variability and improved functional pluripotency will have great utility in regenerative medicine and human disease modeling.
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Affiliation(s)
- Ludovic Zimmerlin
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.,Division of Pediatric Oncology, Baltimore, MD 21205, USA
| | - Tea Soon Park
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.,Division of Pediatric Oncology, Baltimore, MD 21205, USA
| | - Jeffrey S Huo
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.,Division of Pediatric Oncology, Baltimore, MD 21205, USA
| | - Karan Verma
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.,Division of Pediatric Oncology, Baltimore, MD 21205, USA
| | - Sarshan R Pather
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.,Division of Pediatric Oncology, Baltimore, MD 21205, USA
| | - C Conover Talbot
- Institute for Basic Biomedical Sciences at Johns Hopkins, Baltimore, MD 21205, USA
| | - Jasmin Agarwal
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.,Division of Pediatric Oncology, Baltimore, MD 21205, USA
| | - Diana Steppan
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.,Division of Pediatric Oncology, Baltimore, MD 21205, USA
| | - Yang W Zhang
- Division of Cancer Biology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD 21205, USA
| | - Michael Considine
- Division of Cancer Biology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD 21205, USA
| | - Hong Guo
- Division of Pediatric Oncology, Baltimore, MD 21205, USA
| | - Xiufeng Zhong
- Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Christian Gutierrez
- Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Leslie Cope
- Division of Cancer Biology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD 21205, USA
| | - M Valeria Canto-Soler
- Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | | | - Stephen B Baylin
- Division of Cancer Biology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD 21205, USA
| | - Elias T Zambidis
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA .,Division of Pediatric Oncology, Baltimore, MD 21205, USA
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11
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High-Fidelity Reprogrammed Human IPSCs Have a High Efficacy of DNA Repair and Resemble hESCs in Their MYC Transcriptional Signature. Stem Cells Int 2016; 2016:3826249. [PMID: 27688775 PMCID: PMC5023833 DOI: 10.1155/2016/3826249] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 06/23/2016] [Accepted: 07/14/2016] [Indexed: 01/27/2023] Open
Abstract
Human induced pluripotent stem cells (hiPSCs) are reprogrammed from adult or progenitor somatic cells and must make substantial adaptations to ensure genomic stability in order to become "embryonic stem cell- (ESC-) like." The DNA damage response (DDR) is critical for maintenance of such genomic integrity. Herein, we determined whether cell of origin and reprogramming method influence the DDR of hiPSCs. We demonstrate that hiPSCs derived from cord blood (CB) myeloid progenitors (i.e., CB-iPSC) via an efficient high-fidelity stromal-activated (sa) method closely resembled hESCs in DNA repair gene expression signature and irradiation-induced DDR, relative to hiPSCs generated from CB or fibroblasts via standard methods. Furthermore, sa-CB-iPSCs also more closely resembled hESCs in accuracy of nonhomologous end joining (NHEJ), DNA double-strand break (DSB) repair, and C-MYC transcriptional signatures, relative to standard hiPSCs. Our data suggests that hiPSCs derived via more efficient reprogramming methods possess more hESC-like activated MYC signatures and DDR signaling. Thus, an authentic MYC molecular signature may serve as an important biomarker in characterizing the genomic integrity in hiPSCs.
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12
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Korpusik A, Kolev M. Single injection of CD8+ T lymphocytes derived from hematopoietic stem cells - Mathematical and numerical insights. Biosystems 2016; 144:46-54. [PMID: 27095371 DOI: 10.1016/j.biosystems.2016.04.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2014] [Revised: 04/01/2016] [Accepted: 04/14/2016] [Indexed: 12/22/2022]
Abstract
Recently, hematopoietic stem cell (HSC) based therapy is being discussed as a possible treatment for HIV infection. The main advantage of this approach is that it limits the immune impairing effect of infection by introducing an independent influx of antigen-specific cytotoxic T lymphocytes (CTL). In this paper, we present a mathematical approach to predict the dynamics of HSC based therapy. We use a modification of a basic mathematical model for virus induced impairment of help to study how virus - immune system dynamics can be influenced by a single injection of CD8+ T lymphocytes derived from hematopoietic stem cells. Our mathematical and numerical results indicate that a single, large enough dose of genetically derived CTL may lead to restoration of the cellular immune response and result in long-term control of infection.
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Affiliation(s)
- Adam Korpusik
- Faculty of Technical Sciences, University of Warmia and Mazury, ul. Oczapowskiego 11, 10-719 Olsztyn, Poland.
| | - Mikhail Kolev
- Faculty of Mathematics and Computer Science, University of Warmia and Mazury, ul. Słoneczna 54, 10-710 Olsztyn, Poland.
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13
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Mahairaki V, Ryu J, Peters A, Chang Q, Li T, Park TS, Burridge PW, Talbot CC, Asnaghi L, Martin LJ, Zambidis ET, Koliatsos VE. Induced pluripotent stem cells from familial Alzheimer's disease patients differentiate into mature neurons with amyloidogenic properties. Stem Cells Dev 2015; 23:2996-3010. [PMID: 25027006 DOI: 10.1089/scd.2013.0511] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Although the majority of Alzheimer's disease (AD) cases are sporadic, about 5% of cases are inherited in an autosomal dominant pattern as familial AD (FAD) and manifest at an early age. Mutations in the presenilin 1 (PSEN1) gene account for the majority of early-onset FAD. Here, we describe the generation of virus-free human induced pluripotent stem cells (hiPSCs) derived from fibroblasts of patients harboring the FAD PSEN1 mutation A246E and fibroblasts from healthy age-matched controls using nonintegrating episomal vectors. We have differentiated these hiPSC lines to the neuronal lineage and demonstrated that hiPSC-derived neurons have mature phenotypic and physiological properties. Neurons from mutant hiPSC lines express PSEN1-A246E mutations themselves and show AD-like biochemical features, that is, amyloidogenic processing of amyloid precursor protein (APP) indicated by an increase in β-amyloid (Aβ)42/Aβ40 ratio. FAD hiPSCs harboring disease properties can be used as humanized models to test novel diagnostic methods and therapies and explore novel hypotheses for AD pathogenesis.
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Affiliation(s)
- Vasiliki Mahairaki
- 1 Division of Neuropathology, Department of Pathology, Johns Hopkins University School of Medicine , Baltimore, Maryland
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14
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Kramerov AA, Ljubimov AV. Stem cell therapies in the treatment of diabetic retinopathy and keratopathy. Exp Biol Med (Maywood) 2015; 241:559-68. [PMID: 26454200 DOI: 10.1177/1535370215609692] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Nonproliferative diabetic retinopathy (DR) is characterized by multiple degenerative changes that could be potentially corrected by stem cell therapies. Most studies so far have attempted to alleviate typical abnormalities of early retinopathy, including vascular hyperpermeability, capillary closure and pericyte dropout. Success was reported with adult stem cells (vascular progenitors or adipose stem cells), as well as induced pluripotent stem cells from cord blood. The cells were able to associate with damaged vessels in both pericyte and endothelial lining positions in models of DR and ischemia-reperfusion. In some diabetic models, functional amelioration of vasculature and electroretinograms was noted. Another approach for endogenous progenitor cell therapy is to normalize dysfunctional diabetic bone marrow and residing endothelial progenitors using NO donors, PPAR-δ and -γ agonists, or inhibition of TGF-β. A potentially important strategy would be to reduce neuropathy by stem cell inoculations, either naïve (e.g., paracrine-acting adipose stem cells) or secreting specific neuroprotectants, such as ciliary neurotrophic factor or brain-derived neurotrophic factor that showed benefit in amyotrophic lateral sclerosis and Parkinson's disease. Recent advances in stem cell therapies for diabetic retinal microangiopathy may form the basis of first clinical trials in the near future. Additionally, stem cell therapies may prove beneficial for diabetic corneal disease (diabetic keratopathy) with pronounced epithelial stem cell dysfunction.
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Affiliation(s)
- Andrei A Kramerov
- Eye Program, Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center
| | - Alexander V Ljubimov
- Eye Program, Board of Governors Regenerative Medicine Institute, Cedars-Sinai Medical Center University of California Los Angeles David Geffen School of Medicine, Los Angeles, CA, USA
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15
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Brouwer M, Zhou H, Nadif Kasri N. Choices for Induction of Pluripotency: Recent Developments in Human Induced Pluripotent Stem Cell Reprogramming Strategies. Stem Cell Rev Rep 2015. [PMID: 26424535 DOI: 10.1007/s12015‐015‐9622‐8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The ability to generate human induced pluripotent stem cells (iPSCs) from somatic cells provides tremendous promises for regenerative medicine and its use has widely increased over recent years. However, reprogramming efficiencies remain low and chromosomal instability and tumorigenic potential are concerns in the use of iPSCs, especially in clinical settings. Therefore, reprogramming methods have been under development to generate safer iPSCs with higher efficiency and better quality. Developments have mainly focused on the somatic cell source, the cocktail of reprogramming factors, the delivery method used to introduce reprogramming factors and culture conditions to maintain the generated iPSCs. This review discusses the developments on these topics and briefly discusses pros and cons of iPSCs in comparison with human embryonic stem cells generated from somatic cell nuclear transfer.
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Affiliation(s)
- Marinka Brouwer
- Department of Cognitive Neuroscience, Radboudumc, Nijmegen, 6500, HB, The Netherlands
| | - Huiqing Zhou
- Department of Human Genetics, Radboudumc, Nijmegen, 6500, HB, The Netherlands. .,Department of Molecular Developmental Biology, Faculty of Science, Radboud University, Nijmegen, 6500, HB, The Netherlands.
| | - Nael Nadif Kasri
- Department of Cognitive Neuroscience, Radboudumc, Nijmegen, 6500, HB, The Netherlands. .,Department of Human Genetics, Radboudumc, Nijmegen, 6500, HB, The Netherlands. .,Donders Institute for Brain, Cognition, and Behaviour , Centre for Neuroscience, Nijmegen, 6525, AJ, The Netherlands.
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16
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Liu J, Brzeszczynska J, Samuel K, Black J, Palakkan A, Anderson RA, Gallagher R, Ross JA. Efficient episomal reprogramming of blood mononuclear cells and differentiation to hepatocytes with functional drug metabolism. Exp Cell Res 2015; 338:203-13. [PMID: 26256888 DOI: 10.1016/j.yexcr.2015.08.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 08/04/2015] [Accepted: 08/06/2015] [Indexed: 12/12/2022]
Abstract
The possibility of converting cells from blood mononuclear cells (MNC) to liver cells provides promising opportunities for the study of diseases and the assessment of new drugs. However, clinical applications have to meet GMP requirements and the methods for generating induced pluripotent cells (iPCs) have to avoid insertional mutagenesis, a possibility when using viral vehicles for the delivery of reprogramming factors. We have developed an efficient non-integration method for reprogramming fresh or frozen blood MNC, maintained in an optimised cytokine cocktail, to generate induced pluripotent cells. Using electroporation for the effective delivery of episomal transcription factors (Oct4, Sox2, Klf4, L-Myc, and Lin28) in a feeder-free system, without any requirement for small molecules, we achieved a reprogramming efficiency of up to 0.033% (65 colonies from 2×10(5) seeded MNC). Applying the same cytokine cocktail and reprogramming methods to cord blood or fetal liver-derived CD34(+) cells, we obtained 148 iPS colonies from 10(5) seeding cells (0.148%). The iPS cell lines we generated maintained typical characteristics of pluripotent cells and could be successfully differentiated into hepatocytes with drug metabolic function.
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Affiliation(s)
- Jing Liu
- Scottish National Blood Transfusion Service (SNBTS) Cell Therapy Group, Centre for Regenerative Medicine, The Chancellor's Building, 49 Little France Crescent, Edinburgh EH16 4SB, United Kingdom; Tissue Injury and Repair Group, MRC Centre for Regenerative Medicine, University of Edinburgh, EH16 4SB United Kingdom; Peking University Institute of Hematology, Peking University People's Hospital, Beijing, 100044 China
| | - Joanna Brzeszczynska
- Tissue Injury and Repair Group, MRC Centre for Regenerative Medicine, University of Edinburgh, EH16 4SB United Kingdom
| | - Kay Samuel
- Scottish National Blood Transfusion Service (SNBTS) Cell Therapy Group, Centre for Regenerative Medicine, The Chancellor's Building, 49 Little France Crescent, Edinburgh EH16 4SB, United Kingdom
| | - Jim Black
- Tissue Injury and Repair Group, MRC Centre for Regenerative Medicine, University of Edinburgh, EH16 4SB United Kingdom
| | - Anwar Palakkan
- Tissue Injury and Repair Group, MRC Centre for Regenerative Medicine, University of Edinburgh, EH16 4SB United Kingdom
| | - Richard A Anderson
- MRC Centre for Reproductive Health, University of Edinburgh, 47, Little France Crescent, Edinburgh EH16 4TJ, United Kingdom
| | - Ronald Gallagher
- Scottish National Blood Transfusion Service (SNBTS) Cell Therapy Group, Centre for Regenerative Medicine, The Chancellor's Building, 49 Little France Crescent, Edinburgh EH16 4SB, United Kingdom.
| | - James A Ross
- Tissue Injury and Repair Group, MRC Centre for Regenerative Medicine, University of Edinburgh, EH16 4SB United Kingdom.
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17
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Cooke JP, Sayed N, Lee J, Wong WT. Innate immunity and epigenetic plasticity in cellular reprogramming. Curr Opin Genet Dev 2015; 28:89-91. [PMID: 25461456 DOI: 10.1016/j.gde.2014.11.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Revised: 10/15/2014] [Accepted: 11/10/2014] [Indexed: 01/15/2023]
Abstract
Somatic cells can be reprogrammed to express the features of pluripotent cells, in that they can be differentiated into all three germ layers, and that they have the ability to replicate indefinitely. Recent studies suggest that the efficient induction of pluripotency requires the activation of innate immunity.
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Affiliation(s)
- John P Cooke
- Center for Cardiovascular Regeneration, Houston Methodist Research Institute, United States.
| | - Nazish Sayed
- Center for Cardiovascular Regeneration, Houston Methodist Research Institute, United States
| | - Jieun Lee
- Department of Medicine, Stanford University, United States
| | - Wing Tak Wong
- Center for Cardiovascular Regeneration, Houston Methodist Research Institute, United States
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18
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Kang X, Yu Q, Huang Y, Song B, Chen Y, Gao X, He W, Sun X, Fan Y. Effects of Integrating and Non-Integrating Reprogramming Methods on Copy Number Variation and Genomic Stability of Human Induced Pluripotent Stem Cells. PLoS One 2015; 10:e0131128. [PMID: 26131765 PMCID: PMC4488894 DOI: 10.1371/journal.pone.0131128] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 05/27/2015] [Indexed: 12/27/2022] Open
Abstract
Human-induced pluripotent stem cells (iPSCs) are derived from differentiated somatic cells using defined factors and provide a renewable source of autologous cells for cell therapy. Many reprogramming methods have been employed to generate human iPSCs, including the use of integrating vectors and non-integrating vectors. Maintenance of the genomic integrity of iPSCs is highly desirable if the cells are to be used in clinical applications. Here, using the Affymetrix Cytoscan HD array, we investigated the genomic aberration profiles of 19 human cell lines: 5 embryonic stem cell (ESC) lines, 6 iPSC lines derived using integrating vectors (“integrating iPSC lines”), 6 iPSC lines derived using non-integrating vectors (“non-integrating iPSC lines”), and the 2 parental cell lines from which the iPSCs were derived. The genome-wide copy number variation (CNV), loss of heterozygosity (LOH) and mosaicism patterns of integrating and non-integrating iPSC lines were investigated. The maximum sizes of CNVs in the genomes of the integrating iPSC lines were 20 times higher than those of the non-integrating iPSC lines. Moreover, the total number of CNVs was much higher in integrating iPSC lines than in other cell lines. The average numbers of novel CNVs with a low degree of overlap with the DGV and of likely pathogenic CNVs with a high degree of overlap with the ISCA (International Symposium on Computer Architecture) database were highest in integrating iPSC lines. Different single nucleotide polymorphisms (SNP) calls revealed that, using the parental cell genotype as a reference, integrating iPSC lines displayed more single nucleotide variations and mosaicism than did non-integrating iPSC lines. This study describes the genome stability of human iPSCs generated using either a DNA-integrating or non-integrating reprogramming method, of the corresponding somatic cells, and of hESCs. Our results highlight the importance of using a high-resolution method to monitor genomic aberrations in iPSCs intended for clinical applications to avoid any negative effects of reprogramming or cell culture.
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Affiliation(s)
- Xiangjin Kang
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Qian Yu
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Yuling Huang
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Bing Song
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Yaoyong Chen
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Xingcheng Gao
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
| | - Wenyin He
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
- * E-mail: (WH); (XS); (YF)
| | - Xiaofang Sun
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
- * E-mail: (WH); (XS); (YF)
| | - Yong Fan
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, China
- * E-mail: (WH); (XS); (YF)
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19
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Schlaeger TM, Daheron L, Brickler TR, Entwisle S, Chan K, Cianci A, DeVine A, Ettenger A, Fitzgerald K, Godfrey M, Gupta D, McPherson J, Malwadkar P, Gupta M, Bell B, Doi A, Jung N, Li X, Lynes MS, Brookes E, Cherry ABC, Demirbas D, Tsankov AM, Zon LI, Rubin LL, Feinberg AP, Meissner A, Cowan CA, Daley GQ. A comparison of non-integrating reprogramming methods. Nat Biotechnol 2015; 33:58-63. [PMID: 25437882 PMCID: PMC4329913 DOI: 10.1038/nbt.3070] [Citation(s) in RCA: 357] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Accepted: 10/14/2014] [Indexed: 01/06/2023]
Abstract
Human induced pluripotent stem cells (hiPSCs) are useful in disease modeling and drug discovery, and they promise to provide a new generation of cell-based therapeutics. To date there has been no systematic evaluation of the most widely used techniques for generating integration-free hiPSCs. Here we compare Sendai-viral (SeV), episomal (Epi) and mRNA transfection mRNA methods using a number of criteria. All methods generated high-quality hiPSCs, but significant differences existed in aneuploidy rates, reprogramming efficiency, reliability and workload. We discuss the advantages and shortcomings of each approach, and present and review the results of a survey of a large number of human reprogramming laboratories on their independent experiences and preferences. Our analysis provides a valuable resource to inform the use of specific reprogramming methods for different laboratories and different applications, including clinical translation.
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Affiliation(s)
- Thorsten M Schlaeger
- 1] Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA. [2] Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
| | | | | | | | - Karrie Chan
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Amelia Cianci
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Alexander DeVine
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Andrew Ettenger
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Kelly Fitzgerald
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Michelle Godfrey
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Dipti Gupta
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Jade McPherson
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Prerana Malwadkar
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Manav Gupta
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Blair Bell
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Akiko Doi
- 1] Center for Epigenetics and Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA. [2] Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Namyoung Jung
- Center for Epigenetics and Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Xin Li
- Center for Epigenetics and Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | | | - Emily Brookes
- Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA
| | - Anne B C Cherry
- 1] Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA. [2] Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts, USA
| | - Didem Demirbas
- The Manton Center for Orphan Disease Research, Division of Genetics and Genomics, Boston Children's Hospital, Boston, Massachusetts, USA
| | - Alexander M Tsankov
- 1] Harvard Stem Cell Institute, Cambridge, Massachusetts, USA. [2] Broad Institute, Cambridge, Massachusetts, USA
| | - Leonard I Zon
- 1] Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA. [2] Harvard Stem Cell Institute, Cambridge, Massachusetts, USA
| | - Lee L Rubin
- 1] Harvard Stem Cell Institute, Cambridge, Massachusetts, USA. [2] Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA
| | - Andrew P Feinberg
- Center for Epigenetics and Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Alexander Meissner
- 1] Harvard Stem Cell Institute, Cambridge, Massachusetts, USA. [2] Broad Institute, Cambridge, Massachusetts, USA
| | - Chad A Cowan
- 1] Harvard Stem Cell Institute, Cambridge, Massachusetts, USA. [2] Broad Institute, Cambridge, Massachusetts, USA. [3] Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, USA. [4] Center for Regenerative Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - George Q Daley
- 1] Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Dana-Farber Cancer Institute, Boston, Massachusetts, USA. [2] Harvard Stem Cell Institute, Cambridge, Massachusetts, USA. [3] Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts, USA. [4] Howard Hughes Medical Institute, Children's Hospital Boston and Dana Farber Cancer Institute, Boston, Massachusetts, USA
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20
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Cancer-like epigenetic derangements of human pluripotent stem cells and their impact on applications in regeneration and repair. Curr Opin Genet Dev 2014; 28:43-9. [PMID: 25461449 DOI: 10.1016/j.gde.2014.09.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Revised: 09/12/2014] [Accepted: 09/14/2014] [Indexed: 01/27/2023]
Abstract
A growing body of work has raised concern that many human pluripotent stem cell (hPSC) lines possess tumorigenic potential following differentiation to clinically relevant lineages. In this review, we highlight recent work characterizing the spectrum of cancer-like epigenetic derangements in human embryonic stem cells (hESC) and human induced pluripotent stem cells (hiPSC) that are associated with reprogramming errors or prolonged culture that may contribute to such tumorigenicity. These aberrations include cancer-like promoter DNA hypermethylation and histone marks associated with pluripotency, as well as aberrant X-chromosome regulation. We also feature recent work that suggests optimized high-fidelity reprogramming derivation methods can minimize cancer-associated epigenetic aberrations in hPSC, and thus ultimately improve the ultimate clinical utility of hiPSC in regenerative medicine.
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21
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Generation of three-dimensional retinal tissue with functional photoreceptors from human iPSCs. Nat Commun 2014; 5:4047. [PMID: 24915161 PMCID: PMC4370190 DOI: 10.1038/ncomms5047] [Citation(s) in RCA: 657] [Impact Index Per Article: 65.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 05/05/2014] [Indexed: 12/17/2022] Open
Abstract
Many forms of blindness result from the dysfunction or loss of retinal photoreceptors. Induced pluripotent stem cells (iPSCs) hold great potential for the modelling of these diseases or as potential therapeutic agents. However, to fulfill this promise, a remaining challenge is to induce human iPSC to recreate in vitro key structural and functional features of the native retina, in particular the presence of photoreceptors with outer-segment discs and light sensitivity. Here we report that hiPSC can, in a highly autonomous manner, recapitulate spatiotemporally each of the main steps of retinal development observed in vivo and form three-dimensional retinal cups that contain all major retinal cell types arranged in their proper layers. Moreover, the photoreceptors in our hiPSC-derived retinal tissue achieve advanced maturation, showing the beginning of outer-segment disc formation and photosensitivity. This success brings us one step closer to the anticipated use of hiPSC for disease modelling and open possibilities for future therapies.
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Park TS, Donnenberg VS, Donnenberg AD, Zambidis ET, Zimmerlin L. Dynamic Interactions Between Cancer Stem Cells And Their Stromal Partners. CURRENT PATHOBIOLOGY REPORTS 2014; 2:41-52. [PMID: 24660130 PMCID: PMC3956651 DOI: 10.1007/s40139-013-0036-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The cancer stem cell (CSC) paradigm presumes the existence of self-renewing cancer cells capable of regenerating all tumor compartments and exhibiting stem cell-associated phenotypes. Recent interpretations of the CSC hypothesis envision stemness as a dynamic trait of tumor-initiating cells rather than a defined and unique cell type. Bidirectional crosstalk between the tumor microenvironment and the cancer bulk is well described in the literature and the tumor-associated stroma, vasculature and immune infiltrate have all been implicated as direct contributors to tumor development. These non-neoplastic cell types have also been shown to organize specific niches within the tumor bulk where they can control the intra-tumor CSC content and alter the fate of CSCs and tumor progenitors during tumorigenesis to acquire phenotypic features for invasion, metastasis and dormancy. Despite the complexity of the tumor-stroma interactome, novel therapeutic approaches envision combining tumor-ablative treatment with manipulation of the tumor microenvironment. We will review the currently available literature that provides clues about the complex cellular network that regulate the CSC phenotype and its niches during tumor progression.
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Affiliation(s)
- Tea Soon Park
- Institute for Cell Engineering, School of Medicine, Johns Hopkins University, Baltimore, Maryland, United States of America
- Division of Pediatric Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland, United States of America
| | - Vera S. Donnenberg
- University of Pittsburgh School of Medicine, Department of Cardiothoracic Surgery, Pittsburgh, Pennsylvania, United States of America
- University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, United States of America
- McGowan Institute of Regenerative Medicine, Pittsburgh, Pennsylvania, United States of America
| | - Albert D. Donnenberg
- University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, United States of America
- McGowan Institute of Regenerative Medicine, Pittsburgh, Pennsylvania, United States of America
- University of Pittsburgh School of Medicine, Department of Medicine, Division of Hematology/Oncology, Pittsburgh, Pennsylvania, United States of America
| | - Elias T. Zambidis
- Institute for Cell Engineering, School of Medicine, Johns Hopkins University, Baltimore, Maryland, United States of America
- Division of Pediatric Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland, United States of America
| | - Ludovic Zimmerlin
- Institute for Cell Engineering, School of Medicine, Johns Hopkins University, Baltimore, Maryland, United States of America
- Division of Pediatric Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland, United States of America
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Korpusik A. Hematopoietic stem cell based therapy of immunosuppressive viral infection—Numerical simulations. Biocybern Biomed Eng 2014. [DOI: 10.1016/j.bbe.2013.12.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
Hyperglycemia has toxic effects on almost all cells in the body. Ophthalmic complications of hyperglycemia are most profound in cornea and retina. Seventy percent of diabetics suffer from corneal complications, collectively called diabetic keratopathy, which includes include recurrent erosions, delayed wound healing, ulcers, and edema. Confocal microscopy has permitted in vivo imaging of corneal nerves, which are also affected in diabetic subjects. Gene therapies upregulating MNNG HOS transforming gene (cMet) and/or downregulating MMP10 and cathepsin S are potential future therapies for diabetic keratopathy. Diabetic retinopathy (DR) is the most common cause of blindness in people over the age of 50. There is accumulating evidence that DR is an inflammatory disease. The initial events in animal models of DR are increased vascular permeability and leukostasis. This binding of leukocytes to the endothelium results from an increase in intracellular adhesion molecule-1 (ICAM-1) on the retinal capillary endothelium (EC) and expression of CD11/CD18 on the surface of the activated leukocyte. We have observed polymorphonuclear leukocytes (PMNs) at sites of EC vascular dysfunction in diabetic retinas as well as choroid. Anti-inflammatory drugs like etanercept, aspirin, or meloxicam reduce leukostasis and EC death. Future therapies may include repopulation of the acellular capillaries after EC and pericyte death with vascular progenitors made from the patient's own blood cells.
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Affiliation(s)
- Gerard A Lutty
- Wilmer Ophthalmological Institute, Johns Hopkins Hospital, Baltimore, Maryland
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Zimmerlin L, Park TS, Zambidis ET, Donnenberg VS, Donnenberg AD. Mesenchymal stem cell secretome and regenerative therapy after cancer. Biochimie 2013; 95:2235-45. [PMID: 23747841 PMCID: PMC3825748 DOI: 10.1016/j.biochi.2013.05.010] [Citation(s) in RCA: 127] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Accepted: 05/26/2013] [Indexed: 02/06/2023]
Abstract
Cancer treatment generally relies on tumor ablative techniques that can lead to major functional or disfiguring defects. These post-therapy impairments require the development of safe regenerative therapy strategies during cancer remission. Many current tissue repair approaches exploit paracrine (immunomodulatory, pro-angiogenic, anti-apoptotic and pro-survival effects) or restoring (functional or structural tissue repair) properties of mesenchymal stem/stromal cells (MSC). Yet, a major concern in the application of regenerative therapies during cancer remission remains the possible triggering of cancer recurrence. Tumor relapse implies the persistence of rare subsets of tumor-initiating cancer cells which can escape anti-cancer therapies and lie dormant in specific niches awaiting reactivation via unknown stimuli. Many of the components required for successful regenerative therapy (revascularization, immunosuppression, cellular homing, tissue growth promotion) are also critical for tumor progression and metastasis. While bi-directional crosstalk between tumorigenic cells (especially aggressive cancer cell lines) and MSC (including tumor stroma-resident populations) has been demonstrated in a variety of cancers, the effects of local or systemic MSC delivery for regenerative purposes on persisting cancer cells during remission remain controversial. Both pro- and anti-tumorigenic effects of MSC have been reported in the literature. Our own data using breast cancer clinical isolates have suggested that dormant-like tumor-initiating cells do not respond to MSC signals, unlike actively dividing cancer cells which benefited from the presence of supportive MSC. The secretome of MSC isolated from various tissues may partially diverge, but it includes a core of cytokines (i.e. CCL2, CCL5, IL-6, TGFβ, VEGF), which have been implicated in tumor growth and/or metastasis. This article reviews published models for studying interactions between MSC and cancer cells with a focus on the impact of MSC secretome on cancer cell activity, and discusses the implications for regenerative therapy after cancer.
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Affiliation(s)
- Ludovic Zimmerlin
- Institute for Cell Engineering, School of Medicine, Johns Hopkins University, Baltimore, Maryland, United States of America
- Division of Pediatric Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland, United States of America
| | - Tea Soon Park
- Institute for Cell Engineering, School of Medicine, Johns Hopkins University, Baltimore, Maryland, United States of America
- Division of Pediatric Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland, United States of America
| | - Elias T. Zambidis
- Institute for Cell Engineering, School of Medicine, Johns Hopkins University, Baltimore, Maryland, United States of America
- Division of Pediatric Oncology, Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland, United States of America
| | - Vera S. Donnenberg
- University of Pittsburgh School of Medicine, Department of Cardiothoracic Surgery, Pittsburgh, Pennsylvania, United States of America
- University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, United States of America
- McGowan Institute of Regenerative Medicine, Pittsburgh, Pennsylvania, United States of America
| | - Albert D. Donnenberg
- University of Pittsburgh Cancer Institute, Pittsburgh, Pennsylvania, United States of America
- McGowan Institute of Regenerative Medicine, Pittsburgh, Pennsylvania, United States of America
- University of Pittsburgh School of Medicine, Department of Medicine, Division of Hematology/Oncology, Pittsburgh, Pennsylvania, United States of America
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Funk RT, Alexanian AR. Enhanced dopamine release by mesenchymal stem cells reprogrammed neuronally by the modulators of SMAD signaling, chromatin modifying enzymes, and cyclic adenosine monophosphate levels. Transl Res 2013; 162:317-23. [PMID: 24001408 DOI: 10.1016/j.trsl.2013.08.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 08/07/2013] [Accepted: 08/11/2013] [Indexed: 01/28/2023]
Abstract
Recently, using the chemical genetics approach for cell reprogramming, via the combination of small molecule modulators of chromatin modifying enzymes, specific SMAD signaling pathways, and cyclic adenosine monophosphate levels, we have been able to generate neuronallike cells predominantly positive to mature neuronal and dopaminergic markers. This study aimed to characterize further the dopaminergic properties of neurally induced (NI) human bone marrow-derived mesenchymal stem cells (hMSCs) and to determine whether addition of sonic hedgehog (SHH)/fibroblast growth factor 8 (FGF8) to NI medium could promote further dopaminergic maturation. Dopaminergic differentiation was evaluated by immunocytochemistry, reverse transcription-polymerase chain reaction, Western blot, and enzyme-linked immunosorbent assay. Results demonstrated that release of dopamine by NI-hMSCs differentiated with SMAD inhibitor supplementation significantly increased from picogram to nanogram levels, with a tendency of further increase when supplemented by SHH/FGF8. Direct generation of dopaminergic cells from adult hMSCs by using this reprogramming approach may have significant implications for understanding the mechanism underlying cell plasticity and may open new potentialities for cell replacement therapies.
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Affiliation(s)
- Ryan T Funk
- Neuroscience Research Laboratories, Department of Neurosurgery, VA Medical Center, Milwaukee, Wisc
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Park TS, Bhutto I, Zimmerlin L, Huo JS, Nagaria P, Miller D, Rufaihah AJ, Talbot C, Aguilar J, Grebe R, Merges C, Reijo-Pera R, Feldman RA, Rassool F, Cooke J, Lutty G, Zambidis ET. Vascular progenitors from cord blood-derived induced pluripotent stem cells possess augmented capacity for regenerating ischemic retinal vasculature. Circulation 2013; 129:359-72. [PMID: 24163065 DOI: 10.1161/circulationaha.113.003000] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND The generation of vascular progenitors (VPs) from human induced pluripotent stem cells (hiPSCs) has great potential for treating vascular disorders such as ischemic retinopathies. However, long-term in vivo engraftment of hiPSC-derived VPs into the retina has not yet been reported. This goal may be limited by the low differentiation yield, greater senescence, and poor proliferation of hiPSC-derived vascular cells. To evaluate the potential of hiPSCs for treating ischemic retinopathies, we generated VPs from a repertoire of viral-integrated and nonintegrated fibroblast and cord blood (CB)-derived hiPSC lines and tested their capacity for homing and engrafting into murine retina in an ischemia-reperfusion model. METHODS AND RESULTS VPs from human embryonic stem cells and hiPSCs were generated with an optimized vascular differentiation system. Fluorescence-activated cell sorting purification of human embryoid body cells differentially expressing endothelial/pericytic markers identified a CD31(+)CD146(+) VP population with high vascular potency. Episomal CB-induced pluripotent stem cells (iPSCs) generated these VPs with higher efficiencies than fibroblast-iPSC. Moreover, in contrast to fibroblast-iPSC-VPs, CB-iPSC-VPs maintained expression signatures more comparable to human embryonic stem cell VPs, expressed higher levels of immature vascular markers, demonstrated less culture senescence and sensitivity to DNA damage, and possessed fewer transmitted reprogramming errors. Luciferase transgene-marked VPs from human embryonic stem cells, CB-iPSCs, and fibroblast-iPSCs were injected systemically or directly into the vitreous of retinal ischemia-reperfusion-injured adult nonobese diabetic-severe combined immunodeficient mice. Only human embryonic stem cell- and CB-iPSC-derived VPs reliably homed and engrafted into injured retinal capillaries, with incorporation into damaged vessels for up to 45 days. CONCLUSIONS VPs generated from CB-iPSCs possessed augmented capacity to home, integrate into, and repair damaged retinal vasculature.
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Affiliation(s)
- Tea Soon Park
- Institute for Cell Engineering, and Kimmel Comprehensive Cancer Center, Johns Hopkins School of Medicine, Baltimore, MD (T.S.P., L.Z., J.S.H., J.A., E.T.Z.); Wilmer Ophthalmological Institute, Johns Hopkins University School of Medicine, Baltimore, MD (I.B., R.G., C.M., G.L.); Department of Radiation Oncology (P.N., F.R.) and Department of Microbiology/Immunology (D.M., R.A.F.), University of Maryland School of Medicine, Baltimore, MD; Department of Cardiovascular Medicine (A.J.R., J.C.) and Institute for Stem Cell Biology and Regenerative Medicine (A.J.R., R.R.-P., J.C.), Stanford University, Palo Alto, CA; and Institute for Basic Biomedical Science at Johns Hopkins School of Medicine, Baltimore, MD (C.T.)
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