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Cerneckis J, Cai H, Shi Y. Induced pluripotent stem cells (iPSCs): molecular mechanisms of induction and applications. Signal Transduct Target Ther 2024; 9:112. [PMID: 38670977 PMCID: PMC11053163 DOI: 10.1038/s41392-024-01809-0] [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: 07/28/2023] [Revised: 03/09/2024] [Accepted: 03/17/2024] [Indexed: 04/28/2024] Open
Abstract
The induced pluripotent stem cell (iPSC) technology has transformed in vitro research and holds great promise to advance regenerative medicine. iPSCs have the capacity for an almost unlimited expansion, are amenable to genetic engineering, and can be differentiated into most somatic cell types. iPSCs have been widely applied to model human development and diseases, perform drug screening, and develop cell therapies. In this review, we outline key developments in the iPSC field and highlight the immense versatility of the iPSC technology for in vitro modeling and therapeutic applications. We begin by discussing the pivotal discoveries that revealed the potential of a somatic cell nucleus for reprogramming and led to successful generation of iPSCs. We consider the molecular mechanisms and dynamics of somatic cell reprogramming as well as the numerous methods available to induce pluripotency. Subsequently, we discuss various iPSC-based cellular models, from mono-cultures of a single cell type to complex three-dimensional organoids, and how these models can be applied to elucidate the mechanisms of human development and diseases. We use examples of neurological disorders, coronavirus disease 2019 (COVID-19), and cancer to highlight the diversity of disease-specific phenotypes that can be modeled using iPSC-derived cells. We also consider how iPSC-derived cellular models can be used in high-throughput drug screening and drug toxicity studies. Finally, we discuss the process of developing autologous and allogeneic iPSC-based cell therapies and their potential to alleviate human diseases.
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Affiliation(s)
- Jonas Cerneckis
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
- Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Hongxia Cai
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA
| | - Yanhong Shi
- Department of Neurodegenerative Diseases, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
- Irell & Manella Graduate School of Biological Sciences, Beckman Research Institute of City of Hope, Duarte, CA, 91010, USA.
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Pateraki P, Latsoudis H, Papadopoulou A, Gontika I, Fragiadaki I, Mavroudi I, Bizymi N, Batsali A, Klontzas ME, Xagorari A, Michalopoulos E, Sotiropoulos D, Yannaki E, Stavropoulos-Giokas C, Papadaki HA. Perspectives for the Use of Umbilical Cord Blood in Transplantation and Beyond: Initiatives for an Advanced and Sustainable Public Banking Program in Greece. J Clin Med 2024; 13:1152. [PMID: 38398465 PMCID: PMC10889829 DOI: 10.3390/jcm13041152] [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: 01/05/2024] [Revised: 02/11/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024] Open
Abstract
The umbilical cord blood (UCB) donated in public UCB banks is a source of hematopoietic stem cells (HSC) alternative to bone marrow for allogeneic HSC transplantation (HSCT). However, the high rejection rate of the donated units due to the strict acceptance criteria and the wide application of the haploidentical HSCT have resulted in significant limitation of the use of UCB and difficulties in the economic sustainability of the public UCB banks. There is an ongoing effort within the UCB community to optimize the use of UCB in the field of HSCT and a parallel interest in exploring the use of UCB for applications beyond HSCT i.e., in the fields of cell therapy, regenerative medicine and specialized transfusion medicine. In this report, we describe the mode of operation of the three public UCB banks in Greece as an example of an orchestrated effort to develop a viable UCB banking system by (a) prioritizing the enrichment of the national inventory by high-quality UCB units from populations with rare human leukocyte antigens (HLA), and (b) deploying novel sustainable applications of UCB beyond HSCT, through national and international collaborations. The Greek paradigm of the public UCB network may become an example for countries, particularly with high HLA heterogeneity, with public UCB banks facing sustainability difficulties and adds value to the international efforts aiming to sustainably expand the public UCB banking system.
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Affiliation(s)
- Patra Pateraki
- Law Directorate of the Health Region of Crete, Ministry of Health, Heraklion, 71500 Heraklion, Greece;
- Public Cord Blood Bank of Crete, Department of Hematology, University Hospital of Heraklion, 71500 Heraklion, Greece; (I.G.); (I.F.); (I.M.); (N.B.); (A.B.)
| | - Helen Latsoudis
- Institute of Computer Sciences, Foundation for Research and Technology–Hellas (FORTH), 70013 Heraklion, Greece;
| | - Anastasia Papadopoulou
- Gene and Cell Therapy Center, Department of Hematology-HCT Unit, George Papanikolaou Hospital, 57010 Thessaloniki, Greece;
| | - Ioanna Gontika
- Public Cord Blood Bank of Crete, Department of Hematology, University Hospital of Heraklion, 71500 Heraklion, Greece; (I.G.); (I.F.); (I.M.); (N.B.); (A.B.)
- Hemopoiesis Research Laboratory, School of Medicine, University of Crete, 71500 Heraklion, Greece;
| | - Irene Fragiadaki
- Public Cord Blood Bank of Crete, Department of Hematology, University Hospital of Heraklion, 71500 Heraklion, Greece; (I.G.); (I.F.); (I.M.); (N.B.); (A.B.)
- Hemopoiesis Research Laboratory, School of Medicine, University of Crete, 71500 Heraklion, Greece;
| | - Irene Mavroudi
- Public Cord Blood Bank of Crete, Department of Hematology, University Hospital of Heraklion, 71500 Heraklion, Greece; (I.G.); (I.F.); (I.M.); (N.B.); (A.B.)
- Hemopoiesis Research Laboratory, School of Medicine, University of Crete, 71500 Heraklion, Greece;
| | - Nikoleta Bizymi
- Public Cord Blood Bank of Crete, Department of Hematology, University Hospital of Heraklion, 71500 Heraklion, Greece; (I.G.); (I.F.); (I.M.); (N.B.); (A.B.)
- Hemopoiesis Research Laboratory, School of Medicine, University of Crete, 71500 Heraklion, Greece;
| | - Aristea Batsali
- Public Cord Blood Bank of Crete, Department of Hematology, University Hospital of Heraklion, 71500 Heraklion, Greece; (I.G.); (I.F.); (I.M.); (N.B.); (A.B.)
- Hemopoiesis Research Laboratory, School of Medicine, University of Crete, 71500 Heraklion, Greece;
| | - Michail E. Klontzas
- Department of Radiology, School of Medicine, University of Crete, 71500 Heraklion, Greece;
- Department of Medical Imaging, University Hospital of Heraklion, 71500 Heraklion, Greece
| | - Angeliki Xagorari
- Public Cord Blood Bank, Department of Hematology, George Papanikolaou Hospital, 57010 Thessaloniki, Greece; (A.X.); (D.S.)
| | - Efstathios Michalopoulos
- Hellenic Cord Blood Bank (HCBB), Biomedical Research Foundation Academy of Athens, 11527 Athens, Greece; (E.M.); (C.S.-G.)
| | - Damianos Sotiropoulos
- Public Cord Blood Bank, Department of Hematology, George Papanikolaou Hospital, 57010 Thessaloniki, Greece; (A.X.); (D.S.)
| | - Evangelia Yannaki
- Hemopoiesis Research Laboratory, School of Medicine, University of Crete, 71500 Heraklion, Greece;
| | - Catherine Stavropoulos-Giokas
- Hellenic Cord Blood Bank (HCBB), Biomedical Research Foundation Academy of Athens, 11527 Athens, Greece; (E.M.); (C.S.-G.)
| | - Helen A. Papadaki
- Public Cord Blood Bank of Crete, Department of Hematology, University Hospital of Heraklion, 71500 Heraklion, Greece; (I.G.); (I.F.); (I.M.); (N.B.); (A.B.)
- Hemopoiesis Research Laboratory, School of Medicine, University of Crete, 71500 Heraklion, Greece;
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Alowaysi M, Lehmann R, Al-Shehri M, Baadhaim M, Alzahrani H, Aboalola D, Zia A, Malibari D, Daghestani M, Alghamdi K, Haneef A, Jawdat D, Hakami F, Gomez-Cabrero D, Tegner J, Alsayegh K. HLA-based banking of induced pluripotent stem cells in Saudi Arabia. Stem Cell Res Ther 2023; 14:374. [PMID: 38111036 PMCID: PMC10729375 DOI: 10.1186/s13287-023-03612-0] [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: 09/27/2023] [Accepted: 12/07/2023] [Indexed: 12/20/2023] Open
Abstract
BACKGROUND Human iPSCs' derivation and use in clinical studies are transforming medicine. Yet, there is a high cost and long waiting time associated with autologous iPS-based cellular therapy, and the genetic engineering of hypo-immunogenic iPS cell lines is hampered with numerous hurdles. Therefore, it is increasingly interesting to create cell stocks based on HLA haplotype distribution in a given population. This study aimed to assess the potential of HLA-based iPS banking for the Saudi population. METHODS In this study, we interrogated the HLA database of the Saudi Stem Cell Donor Registry (SSCDR), containing high-resolution HLA genotype data from 64,315 registered Saudi donors at the time of analysis. This database was considered to be a representative sample of the Saudi population. The most frequent HLA haplotypes in the Saudi population were determined, and an in-house developed iterative algorithm was used to identify their HLA matching percentages in the SSCDR database and cumulative coverage. Subsequently, to develop a clinically relevant protocol for iPSCs generation, and to illustrate the applicability of the concept of HLA-based banking for cell therapy purposes, the first HLA-based iPS cell line in Saudi Arabia was generated. Clinically relevant methods were employed to generate the two iPS clones from a homozygous donor for the most prevalent HLA haplotype in the Saudi population. The generated lines were then assessed for pluripotency markers, and their ability to differentiate into all three germ layers, beating cardiomyocytes, and neural progenitors was examined. Additionally, the genetic stability of the HLA-iPS cell lines was verified by comparing the mutational burden in the clones and the original blood sample, using whole-genome sequencing. The standards set by the American College of Medical Genetics and Genomics (ACMG) were used to determine the clinical significance of identified variants. RESULTS The analysis revealed that the establishment of only 13 iPSC lines would match 30% of the Saudi population, 39 lines would attain 50% coverage, and 596 lines would be necessary for over 90% coverage. The proof-of-concept HLA-iPSCs, which cover 6.1% of the Saudi population, successfully demonstrated pluripotency and the ability to differentiate into various cell types including beating cardiomyocytes and neuronal progenitors. The comprehensive genetic analysis corroborated that all identified variants in the derived iPSCs were inherently present in the original donor sample and were classified as benign according to the standards set by the ACMG. CONCLUSIONS Our study sets a road map for introducing iPS-based cell therapy in the Kingdom of Saudi Arabia. It underscores the pragmatic approach of HLA-based iPSC banking which circumvents the limitations of autologous iPS-based cellular therapies. The successful generation and validation of iPSC lines based on the most prevalent HLA haplotype in the Saudi population signify a promising step toward broadening the accessibility and applicability of stem cell therapies and regenerative medicine in Saudi Arabia.
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Affiliation(s)
- Maryam Alowaysi
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard for Health Affairs, Jeddah, Saudi Arabia
| | - Robert Lehmann
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Mohammad Al-Shehri
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard for Health Affairs, Jeddah, Saudi Arabia
| | - Moayad Baadhaim
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard for Health Affairs, Jeddah, Saudi Arabia
| | - Hajar Alzahrani
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard for Health Affairs, Jeddah, Saudi Arabia
| | - Doaa Aboalola
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard for Health Affairs, Jeddah, Saudi Arabia
| | - Asima Zia
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Dalal Malibari
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard for Health Affairs, Jeddah, Saudi Arabia
| | - Mustafa Daghestani
- Molecular Medicine Section, Department of Pathology and Laboratory Medicine, Ministry of the National Guard - Health Affairs, Jeddah, Saudi Arabia
| | - Khaled Alghamdi
- Forensic Laboratories, Criminal Evidence Department, Jeddah, Saudi Arabia
| | - Ali Haneef
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard for Health Affairs, Jeddah, Saudi Arabia
| | - Dunia Jawdat
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard for Health Affairs, Jeddah, Saudi Arabia
| | - Fahad Hakami
- Molecular Medicine Section, Department of Pathology and Laboratory Medicine, Ministry of the National Guard - Health Affairs, Jeddah, Saudi Arabia
| | - David Gomez-Cabrero
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Jesper Tegner
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Khaled Alsayegh
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard for Health Affairs, Jeddah, Saudi Arabia.
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Kuebler B, Alvarez-Palomo B, Aran B, Castaño J, Rodriguez L, Raya A, Querol Giner S, Veiga A. Generation of a bank of clinical-grade, HLA-homozygous iPSC lines with high coverage of the Spanish population. Stem Cell Res Ther 2023; 14:366. [PMID: 38093328 PMCID: PMC10720139 DOI: 10.1186/s13287-023-03576-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 11/16/2023] [Indexed: 12/17/2023] Open
Abstract
BACKGROUND Induced pluripotent stem cell (iPSC)-derived cell therapies are an interesting new area in the field of regenerative medicine. One of the approaches to decrease the costs of iPSC-derived therapies is the use of allogenic homozygous human leukocyte antigen (HLA)-matched donors to generate iPSC lines and to build a clinical-grade iPSC bank covering a high percentage of the Spanish population. METHODS The Spanish Stem Cell Transplantation Registry was screened for cord blood units (CBUs) homozygous for the most common HLA-A, HLA-B and HLA-DRB1 haplotypes. Seven donors were selected with haplotypes covering 21.37% of the haplotypes of the Spanish population. CD34-positive hematopoietic progenitors were isolated from the mononuclear cell fraction of frozen cord blood units from each donor by density gradient centrifugation and further by immune magnetic labeling and separation using purification columns. Purified CD34 + cells were reprogrammed to iPSCs by transduction with the CTS CytoTune-iPS 2.1 Sendai Reprogramming Kit. RESULTS The iPSCs generated from the 7 donors were expanded, characterized, banked and registered. Master cell banks (MCBs) and working cell banks (WCBs) from the iPSCs of each donor were produced under GMP conditions in qualified clean rooms. CONCLUSIONS Here, we present the first clinical-grade, iPSC haplobank in Spain made from CD34 + cells from seven cord blood units homozygous for the most common HLA-A, HLA-B and HLA-DRB1 haplotypes within the Spanish population. We describe their generation by transduction with Sendai viral vectors and their GMP-compliant expansion and banking. These haplolines will constitute starting materials for advanced therapy medicinal product development (ATMP).
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Affiliation(s)
- B Kuebler
- Pluripotent Stem Cell Group, Regenerative Medicine Program, Institut d'Investigació Biomédica de Bellvitge (IDIBELL), Hospital Duran I Reynals, Gran Via de L'Hospitalet, 199-203, L'Hospitalet de Llobregat, 08908, Barcelona, Spain
- Program for Translation of Regenerative Medicine in Catalonia (P-[CMRC]), Hospital Duran I Reynals, Gran Via de L'Hospitalet, 199-203, L'Hospitalet de Llobregat, 08908, Barcelona, Spain
| | - B Alvarez-Palomo
- Advanced and Cell Therapy Service, Banc de Sang I Teixits, Edifici Dr. Frederic Duran I Jordà, Passeig de Taulat, 106-116, 08005, Barcelona, Spain
| | - B Aran
- Pluripotent Stem Cell Group, Regenerative Medicine Program, Institut d'Investigació Biomédica de Bellvitge (IDIBELL), Hospital Duran I Reynals, Gran Via de L'Hospitalet, 199-203, L'Hospitalet de Llobregat, 08908, Barcelona, Spain
- Program for Translation of Regenerative Medicine in Catalonia (P-[CMRC]), Hospital Duran I Reynals, Gran Via de L'Hospitalet, 199-203, L'Hospitalet de Llobregat, 08908, Barcelona, Spain
| | - J Castaño
- Advanced and Cell Therapy Service, Banc de Sang I Teixits, Edifici Dr. Frederic Duran I Jordà, Passeig de Taulat, 106-116, 08005, Barcelona, Spain
- Advanced Therapy Platform, Hospital Sant Joan de Déu de Barcelona, Pg. de Sant Joan de Déu, 2, Espluges de Llobregat, 08950, Barcelona, Spain
| | - L Rodriguez
- Advanced and Cell Therapy Service, Banc de Sang I Teixits, Edifici Dr. Frederic Duran I Jordà, Passeig de Taulat, 106-116, 08005, Barcelona, Spain
| | - A Raya
- Program for Translation of Regenerative Medicine in Catalonia (P-[CMRC]), Hospital Duran I Reynals, Gran Via de L'Hospitalet, 199-203, L'Hospitalet de Llobregat, 08908, Barcelona, Spain.
- Stem Cell Potency Group, Regenerative Medicine Program, Institut d´Investigació Biomédica de Bellvitge (IDIBELL), Hospital Duran I Reynals, Gran Via de L'Hospitalet, 199-203, L'Hospitalet de Llobregat, 08908, Barcelona, Spain.
- Centre for Networked Biomedical Research On Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain.
- Institució Catalana de Recerca I Estudis Avançats (ICREA), Barcelona, Spain.
| | - S Querol Giner
- Advanced and Cell Therapy Service, Banc de Sang I Teixits, Edifici Dr. Frederic Duran I Jordà, Passeig de Taulat, 106-116, 08005, Barcelona, Spain.
- Transfusional Medicine Group, Vall d'Hebron Research Institute, Autonomous University of Barcelona (UAB), Barcelona, Spain.
| | - A Veiga
- Pluripotent Stem Cell Group, Regenerative Medicine Program, Institut d'Investigació Biomédica de Bellvitge (IDIBELL), Hospital Duran I Reynals, Gran Via de L'Hospitalet, 199-203, L'Hospitalet de Llobregat, 08908, Barcelona, Spain.
- Program for Translation of Regenerative Medicine in Catalonia (P-[CMRC]), Hospital Duran I Reynals, Gran Via de L'Hospitalet, 199-203, L'Hospitalet de Llobregat, 08908, Barcelona, Spain.
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Barrachina L, Arshaghi TE, O'Brien A, Ivanovska A, Barry F. Induced pluripotent stem cells in companion animals: how can we move the field forward? Front Vet Sci 2023; 10:1176772. [PMID: 37180067 PMCID: PMC10168294 DOI: 10.3389/fvets.2023.1176772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/04/2023] [Indexed: 05/15/2023] Open
Abstract
Following a one medicine approach, the development of regenerative therapies for human patients leads to innovative treatments for animals, while pre-clinical studies on animals provide knowledge to advance human medicine. Among many different biological products under investigation, stem cells are among the most prominent. Mesenchymal stromal cells (MSCs) are extensively investigated, but they present challenges such as senescence and limited differentiation ability. Embryonic stem cells (ESCs) are pluripotent cells with a virtually unlimited capacity for self-renewal and differentiation, but the use of embryos carries ethical concerns. Induced pluripotent stem cells (iPSCs) can overcome all of these limitations, as they closely resemble ESCs but are derived from adult cells by reprogramming in the laboratory using pluripotency-associated transcription factors. iPSCs hold great potential for applications in therapy, disease modeling, drug screening, and even species preservation strategies. However, iPSC technology is less developed in veterinary species compared to human. This review attempts to address the specific challenges associated with generating and applying iPSCs from companion animals. Firstly, we discuss strategies for the preparation of iPSCs in veterinary species and secondly, we address the potential for different applications of iPSCs in companion animals. Our aim is to provide an overview on the state of the art of iPSCs in companion animals, focusing on equine, canine, and feline species, as well as to identify which aspects need further optimization and, where possible, to provide guidance on future advancements. Following a "step-by-step" approach, we cover the generation of iPSCs in companion animals from the selection of somatic cells and the reprogramming strategies, to the expansion and characterization of iPSCs. Subsequently, we revise the current applications of iPSCs in companion animals, identify the main hurdles, and propose future paths to move the field forward. Transferring the knowledge gained from human iPSCs can increase our understanding in the biology of pluripotent cells in animals, but it is critical to further investigate the differences among species to develop specific approaches for animal iPSCs. This is key for significantly advancing iPSC application in veterinary medicine, which at the same time will also allow gaining pre-clinical knowledge transferable to human medicine.
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Affiliation(s)
| | | | | | | | - Frank Barry
- Regenerative Medicine Institute (REMEDI), Biosciences, University of Galway, Galway, Ireland
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Miyamae J, Okano M, Katakura F, Kulski JK, Moritomo T, Shiina T. Large-Scale Polymorphism Analysis of Dog Leukocyte Antigen Class I and Class II Genes ( DLA-88, DLA-12/88L and DLA-DRB1) and Comparison of the Haplotype Diversity between Breeds in Japan. Cells 2023; 12:cells12050809. [PMID: 36899945 PMCID: PMC10001263 DOI: 10.3390/cells12050809] [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: 11/28/2022] [Revised: 02/21/2023] [Accepted: 03/02/2023] [Indexed: 03/08/2023] Open
Abstract
Polymorphisms of canine leukocyte antigen (DLA) class I (DLA-88 and DLA-12/88L) and class II (DLA-DRB1) genes are important for disease susceptibility studies, but information on the genetic diversity among dog breeds is still lacking. To better elucidate the polymorphism and genetic diversity between breeds, we genotyped DLA-88, DLA-12/88L, and DLA-DRB1 loci using 829 dogs of 59 breeds in Japan. Genotyping by Sanger sequencing identified 89, 43, and 61 alleles in DLA-88, DLA-12/88L, and DLA-DRB1 loci, respectively, and a total of 131 DLA-88-DLA-12/88L-DLA-DRB1 haplotypes (88-12/88L-DRB1) were detected more than once. Of the 829 dogs, 198 were homozygotes for one of the 52 different 88-12/88L-DRB1 haplotypes (homozygosity rate: 23.8%). Statistical modeling suggests that 90% of the DLA homozygotes or heterozygotes with one or other of the 52 different 88-12/88L-DRB1 haplotypes within somatic stem cell lines would benefit graft outcome after 88-12/88L-DRB1-matched transplantation. As previously reported for DLA class II haplotypes, the diversity of 88-12/88L-DRB1 haplotypes varied remarkably between breeds but was relatively conserved within most breeds. Therefore, the genetic characteristics of high DLA homozygosity rate and poor DLA diversity within a breed are useful for transplantation therapy, but they may affect biological fitness as homozygosity progresses.
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Affiliation(s)
- Jiro Miyamae
- Faculty of Veterinary Medicine, Okayama University of Science, 1-3 Ikoino-oka, Imabari 794-8555, Japan
- Correspondence: ; Tel.: +81-898-52-9126
| | - Masaharu Okano
- Department of Legal Medicine, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8310, Japan
| | - Fumihiko Katakura
- Department of Veterinary Medicine, College of Bioresource Science, Nihon University, 1866 Kameino, Fujisawa 252-0880, Japan
| | - Jerzy K. Kulski
- Department of Molecular Life Science, Division of Basic Medical Science and Molecular Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara 259-1143, Japan
| | - Tadaaki Moritomo
- Department of Veterinary Medicine, College of Bioresource Science, Nihon University, 1866 Kameino, Fujisawa 252-0880, Japan
| | - Takashi Shiina
- Department of Molecular Life Science, Division of Basic Medical Science and Molecular Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara 259-1143, Japan
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Yoshida S, Kato TM, Sato Y, Umekage M, Ichisaka T, Tsukahara M, Takasu N, Yamanaka S. A clinical-grade HLA haplobank of human induced pluripotent stem cells matching approximately 40% of the Japanese population. MED 2023; 4:51-66.e10. [PMID: 36395757 DOI: 10.1016/j.medj.2022.10.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 09/02/2022] [Accepted: 10/24/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND Human induced pluripotent stem cells (iPSCs) are expected to be useful for regenerative medicine for many diseases. Many researchers have focused on and enabled the generation of differentiated cells or tissue-like structures, including organoids, which help to ameliorate target diseases. To promote such cell therapies, we established a clinically applicable iPSC haplobank matching as many people as possible in Japan. METHODS Through cooperation with several organizations, we recruited donors whose human leukocyte antigens (HLAs) involved in immunorejection were homozygous. The peripheral or umbilical cord blood collected from the donors was used for iPSC production by electroporation of episomal vectors. These iPSC lines were then subjected to testing, including genome analyses and sterility, to maximize safety. FINDINGS We constructed a clinical-grade haplobank of 27 iPSC lines from 7 donors according to good manufacturing practice regulations. However, reasons to avoid using iPSC lines include the presence of residual episomal vectors or genetic mutations in cancer-related genes. CONCLUSIONS This haplobank provides HLA-matched iPSC lines for approximately 40% of the Japanese population. Since the haplobank's release in 2015, these iPSC lines have been used in more than 10 clinical trials. The establishment of this haplobank is an important step toward the clinical application of iPSCs in cell therapies. FUNDING This study was supported by a research center network for the realization of regenerative medicine of the Japan Agency for Medical Research and Development (AMED) under grant number JP20bm0104001h0108.
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Affiliation(s)
- Shinsuke Yoshida
- CiRA Foundation, 53 Shogoin kawahara-cho, Sakyo-ku, Kyoto 606-8397, Japan
| | - Tomoaki M Kato
- CiRA Foundation, 53 Shogoin kawahara-cho, Sakyo-ku, Kyoto 606-8397, Japan
| | - Yoshiko Sato
- Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan
| | - Masafumi Umekage
- CiRA Foundation, 53 Shogoin kawahara-cho, Sakyo-ku, Kyoto 606-8397, Japan
| | - Tomoko Ichisaka
- CiRA Foundation, 53 Shogoin kawahara-cho, Sakyo-ku, Kyoto 606-8397, Japan
| | | | - Naoko Takasu
- CiRA Foundation, 53 Shogoin kawahara-cho, Sakyo-ku, Kyoto 606-8397, Japan
| | - Shinya Yamanaka
- CiRA Foundation, 53 Shogoin kawahara-cho, Sakyo-ku, Kyoto 606-8397, Japan; Center for iPS Cell Research and Application, Kyoto University, 53 Shogoin Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan; Gladstone Institute of Cardiovascular Disease, San Francisco, CA 94158, USA.
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Shi PA, Luchsinger LL, Greally JM, Delaney CS. Umbilical cord blood: an undervalued and underutilized resource in allogeneic hematopoietic stem cell transplant and novel cell therapy applications. Curr Opin Hematol 2022; 29:317-326. [PMID: 36066376 PMCID: PMC9547826 DOI: 10.1097/moh.0000000000000732] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
PURPOSE OF REVIEW The purpose of this review is to primarily discuss the unwarranted decline in the use of umbilical cord blood (UCB) as a source of donor hematopoietic stem cells (HSC) for hematopoietic cell transplantation (HCT) and the resulting important implications in addressing healthcare inequities, and secondly to highlight the incredible potential of UCB and related birthing tissues for the development of a broad range of therapies to treat human disease including but not limited to oncology, neurologic, cardiac, orthopedic and immunologic conditions. RECENT FINDINGS When current best practices are followed, unrelated donor umbilical cord blood transplant (CBT) can provide superior quality of life-related survival compared to other allogeneic HSC donor sources (sibling, matched or mismatched unrelated, and haploidentical) through decreased risks of relapse and chronic graft vs. host disease. Current best practices include improved UCB donor selection criteria with consideration of higher resolution human leukocyte antigen (HLA) typing and CD34+ cell dose, availability of newer myeloablative but reduced toxicity conditioning regimens, and rigorous supportive care in the early posttransplant period with monitoring for known complications, especially related to viral and other infections that may require intervention. Emerging best practice may include the use of ex vivo expanded single-unit CBT rather than double-unit CBT (dCBT) or 'haplo-cord' transplant, and the incorporation of posttransplant cyclophosphamide as with haploidentical transplant and/or incorporation of novel posttransplant therapies to reduce the risk of relapse, such as NK cell adoptive transfer. Novel, non-HCT uses of UCB and birthing tissue include the production of UCB-derived immune effector cell therapies such as unmodified NK cells, chimeric antigen receptor-natural killer cells and immune T-cell populations, the isolation of mesenchymal stem cells for immune modulatory treatments and derivation of induced pluripotent stem cells haplobanks for regenerative medicine development and population studies to facilitate exploration of drug development through functional genomics. SUMMARY The potential of allogeneic UCB for HCT and novel cell-based therapies is undervalued and underutilized. The inventory of high-quality UCB units available from public cord blood banks (CBB) should be expanding rather than contracting in order to address ongoing healthcare inequities and to maintain a valuable source of cellular starting material for cell and gene therapies and regenerative medicine approaches. The expertise in Good Manufacturing Practice-grade manufacturing provided by CBB should be supported to effectively partner with groups developing UCB for novel cell-based therapies.
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Affiliation(s)
- Patricia A. Shi
- Lindsley F. Kimball Research Institute, New York Blood Center, New York City, NY 10065
| | - Larry L. Luchsinger
- Lindsley F. Kimball Research Institute, New York Blood Center, New York City, NY 10065
| | - John M. Greally
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY 10461
| | - Colleen S. Delaney
- Division of Hematology-Oncology, Seattle Children’s Hospital, Seattle WA; and Department of Pediatrics, University of Washington School of Medicine, Seattle, WA 98195
- Deverra Therapeutics, Inc., Seattle, WA 98102
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Clancy J, Hyvärinen K, Ritari J, Wahlfors T, Partanen J, Koskela S. Blood donor biobank and HLA imputation as a resource for HLA homozygous cells for therapeutic and research use. STEM CELL RESEARCH & THERAPY 2022; 13:502. [PMID: 36210465 PMCID: PMC9549658 DOI: 10.1186/s13287-022-03182-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 08/15/2022] [Indexed: 11/10/2022]
Abstract
Abstract
Background
Allogeneic therapeutic cells may be rejected if they express HLA alleles not found in the recipient. As finding cell donors with a full HLA match to a recipient requires vast donor pools, the use of HLA homozygous cells has been suggested as an alternative. HLA homozygous cells should be well tolerated by those who carry at least one copy of donor HLA alleles. HLA-A-B homozygotes could be valuable for HLA-matched thrombocyte products. We evaluated the feasibility of blood donor biobank and HLA imputation for the identification of potential cell donors homozygous for HLA alleles.
Methods
We imputed HLA-A, -B, -C, -DRB1, -DQA1, -DQB1 and -DPB1 alleles from genotypes of 20,737 Finnish blood donors in the Blood Service Biobank. We confirmed homozygosity by sequencing HLA alleles in 30 samples and by examining 36,161 MHC-located polymorphic DNA markers.
Results
Three hundred and seventeen individuals (1.5%), representing 41 different haplotypes, were found to be homozygous for HLA-A, -B, -C, -DRB1, -DQA1 and -DQB1 alleles. Ten most frequent haplotypes homozygous for HLA-A to -DQB1 were HLA-compatible with 49.5%, and three most frequent homozygotes to 30.4% of the Finnish population. Ten most frequent HLA-A-B homozygotes were compatible with 75.3%, and three most frequent haplotypes to 42.6% of the Finnish population. HLA homozygotes had a low level of heterozygosity in MHC-located DNA markers, in particular in HLA haplotypes enriched in Finland.
Conclusions
The present study shows that HLA imputation in a blood donor biobank of reasonable size can be used to identify HLA homozygous blood donors suitable for cell therapy, HLA-typed thrombocytes and research. The homozygotes were HLA-compatible with a large fraction of the Finnish population. Regular blood donors reported to have positive attitude to research donation appear a good option for these purposes. Differences in population frequencies of HLA haplotypes emphasize the need for population-specific collections of HLA homozygous samples.
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Muñoz-Domínguez N, Carreras-Sánchez I, López-Fernández A, Vives J. Optimisation of processing methods to improve success in the derivation of human multipotent mesenchymal stromal cells from cryopreserved umbilical cord tissue fragments. Cryobiology 2022; 108:34-41. [PMID: 36041506 DOI: 10.1016/j.cryobiol.2022.08.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/11/2022] [Accepted: 08/15/2022] [Indexed: 11/15/2022]
Abstract
Wharton's Jelly (WJ)-derived Mesenchymal Stromal Cells (MSC) are currently in the spotlight for the development of innovative MSC-based therapies due to their ease of sourcing, high proliferation capacity and improved immunopotency over MSC from other tissue sources. However, the short time window for derivation from donated fresh umbilical cord (UC) tissue fragments does not allow to consider biological features of the donor beyond serological safety testing. This limits the scope of MSC banking to rapid, prospective derivation of MSC, WJ lines without considering biological and genetic characteristics of the donor that may influence their suitability for clinical use (e.g. HLA type, inherited gene variants). In the present study, we describe a simple, efficient and reproducible approach for the cryopreservation of UC tissue fragments, compatible with established workflows in existing public frameworks for cord blood and tissue collection while guaranteeing pharmaceutical grade of starting materials for further processing under GMP standards. Herein we demonstrated the feasibility of time and cost-saving methods for cryopreservation of unprocessed UC tissue fragments directly at reception of the donated tissues using 10% Me2SO-based cryosolution and a commercial clinical-grade defined cryopreservation medium (Cryostor®), showing the preservation of all Critical Quality Attributes in terms of identity, potency and kinetic parameters. In summary, our study provides evidence that cryopreservation of large unprocessed UC tissue fragments (5-13.5 cm) supports subsequent progenitor cell isolation and derivation of MSC,WJ, preserving their viability, identity, proliferation rates and potency.
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Affiliation(s)
- Noelia Muñoz-Domínguez
- Servei de Teràpia Cel·lular, Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Passeig Taulat, 116, 08005, Barcelona, Spain
| | - Irene Carreras-Sánchez
- Servei de Teràpia Cel·lular, Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Passeig Taulat, 116, 08005, Barcelona, Spain
| | - Alba López-Fernández
- Servei de Teràpia Cel·lular, Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Passeig Taulat, 116, 08005, Barcelona, Spain.
| | - Joaquim Vives
- Servei de Teràpia Cel·lular, Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Passeig Taulat, 116, 08005, Barcelona, Spain; Musculoskeletal Tissue Engineering Group, Vall d'Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona, Passeig de la Vall d'Hebron 129-139, 08035, Barcelona, Spain; Departament de Medicina, Universitat Autònoma de Barcelona, Passeig de la Vall d'Hebron 129-139, 08035, Barcelona, Spain.
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11
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Álvarez-Palomo B, Veiga A, Raya A, Codinach M, Torrents S, Ponce Verdugo L, Rodriguez-Aierbe C, Cuellar L, Alenda R, Arbona C, Hernández-Maraver D, Fusté C, Querol S. Public Cord Blood Banks as a source of starting material for clinical grade HLA-homozygous induced pluripotent stem cells. Stem Cell Res Ther 2022; 13:408. [PMID: 35962457 PMCID: PMC9372949 DOI: 10.1186/s13287-022-02961-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 06/16/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The increasing number of clinical trials for induced pluripotent stem cell (iPSC)-derived cell therapy products makes the production on clinical grade iPSC more and more relevant and necessary. Cord blood banks are an ideal source of young, HLA-typed and virus screened starting material to produce HLA-homozygous iPSC lines for wide immune-compatibility allogenic cell therapy approaches. The production of such clinical grade iPSC lines (haplolines) involves particular attention to all steps since donor informed consent, cell procurement and a GMP-compliant cell isolation process. METHODS Homozygous cord blood units were identified and quality verified before recontacting donors for informed consent. CD34+ cells were purified from the mononuclear fraction isolated in a cell processor, by magnetic microbeads labelling and separation columns. RESULTS We obtained a median recovery of 20.0% of the collected pre-freezing CD34+, with a final product median viability of 99.1% and median purity of 83.5% of the post-thawed purified CD34+ population. CONCLUSIONS Here we describe our own experience, from unit selection and donor reconsenting, in generating a CD34+ cell product as a starting material to produce HLA-homozygous iPSC following a cost-effective and clinical grade-compliant procedure. These CD34+ cells are the basis for the Spanish bank of haplolines envisioned to serve as a source of cell products for clinical research and therapy.
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Affiliation(s)
- Belén Álvarez-Palomo
- Cell Therapy Service, Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Passeig de Taulat, 106-116, 08005, Barcelona, Spain. .,Transfusional Medicine Group, Vall d'Hebron Research Institute, Autonomous University of Barcelona (UAB), Barcelona, Spain.
| | - Anna Veiga
- Programa de Medicina Regenerativa, Institut d'Investigació Biomèdica de Bellvitge. IDIBELL, Hospital Duran i Reynals, Gran Via de L'Hospitalet, 199-203, 08908, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Angel Raya
- Programa de Medicina Regenerativa, Institut d'Investigació Biomèdica de Bellvitge. IDIBELL, Hospital Duran i Reynals, Gran Via de L'Hospitalet, 199-203, 08908, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Margarita Codinach
- Cell Therapy Service, Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Passeig de Taulat, 106-116, 08005, Barcelona, Spain.,Musculoskeletal Tissue Engineering Group, Vall d'Hebron Research Institute, Autonomous University of Barcelona (UAB), Barcelona, Spain
| | - Silvia Torrents
- Cell Therapy Service, Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Passeig de Taulat, 106-116, 08005, Barcelona, Spain
| | - Laura Ponce Verdugo
- Centro de Transfusión, Tejidos y Células de Málaga, Avda. Doctor Gálvez Ginachero s/n, 29009, Malaga, Spain
| | - Clara Rodriguez-Aierbe
- Basque Center for Blood Transfusion and Human Tissues, Osakidetza, Barrio Labeaga 46A, 48960, Galdakao, Spain.,Cell Therapy, Stem Cells and Tissues Group, Biocruces Bizkaia Health Research Institute, 48903, Barakaldo, Spain
| | - Leopoldo Cuellar
- Axencia Galega de Sangue, Órganos e Tecidos, Rúa Xoaquín Díaz de Rábago 2, 15705, Santiago, Spain
| | - Raquel Alenda
- Centro de Transfusión de la Comunidad de Madrid, Avda. de la Democracia, s/n, 28032, Madrid, Spain
| | - Cristina Arbona
- Centro de Transfusión de la Comunidad Valenciana, Av. del Cid, 65-acc, 46014, Valencia, Spain.,Fundacion para el Fomento de la Investigación Sanitaria de la Comuitat Valenciana, Avda. de Catalunya, 21, 46020, Valencia, Spain
| | | | - Cristina Fusté
- REDMO/Fundació i Institut de Recerca Josep Carreras, C/Muntaner, 383 2n, 08021, Barcelona, Spain
| | - Sergi Querol
- Cell Therapy Service, Banc de Sang i Teixits, Edifici Dr. Frederic Duran i Jordà, Passeig de Taulat, 106-116, 08005, Barcelona, Spain.,Transfusional Medicine Group, Vall d'Hebron Research Institute, Autonomous University of Barcelona (UAB), Barcelona, Spain
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Utility of iPSC-Derived Cells for Disease Modeling, Drug Development, and Cell Therapy. Cells 2022; 11:cells11111853. [PMID: 35681550 PMCID: PMC9180434 DOI: 10.3390/cells11111853] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 05/28/2022] [Accepted: 06/02/2022] [Indexed: 02/04/2023] Open
Abstract
The advent of induced pluripotent stem cells (iPSCs) has advanced our understanding of the molecular mechanisms of human disease, drug discovery, and regenerative medicine. As such, the use of iPSCs in drug development and validation has shown a sharp increase in the past 15 years. Furthermore, many labs have been successful in reproducing many disease phenotypes, often difficult or impossible to capture, in commonly used cell lines or animal models. However, there still remain limitations such as the variability between iPSC lines as well as their maturity. Here, we aim to discuss the strategies in generating iPSC-derived cardiomyocytes and neurons for use in disease modeling, drug development and their use in cell therapy.
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Somatic Reprogramming-Above and Beyond Pluripotency. Cells 2021; 10:cells10112888. [PMID: 34831113 PMCID: PMC8616127 DOI: 10.3390/cells10112888] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 12/11/2022] Open
Abstract
Pluripotent stem cells, having long been considered the fountain of youth, have caught the attention of many researchers from diverse backgrounds due to their capacity for unlimited self-renewal and potential to differentiate into all cell types. Over the past 15 years, the advanced development of induced pluripotent stem cells (iPSCs) has displayed an unparalleled potential for regenerative medicine, cell-based therapies, modeling human diseases in culture, and drug discovery. The transcription factor quartet (Oct4, Sox2, Klf4, and c-Myc) reprograms highly differentiated somatic cells back to a pluripotent state recapitulated embryonic stem cells (ESCs) in different aspects, including gene expression profile, epigenetic signature, and functional pluripotency. With the prior fruitful studies in SCNT and cell fusion experiments, iPSC finds its place and implicates that the differentiated somatic epigenome retains plasticity for re-gaining the pluripotency and further stretchability to reach a totipotency-like state. These achievements have revolutionized the concept and created a new avenue in biomedical sciences for clinical applications. With the advent of 15 years’ progress-making after iPSC discovery, this review is focused on how the current concept is established by revisiting those essential landmark studies and summarizing its current biomedical applications status to facilitate the new era entry of regenerative therapy.
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