1
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Guo T, Wei Q. Cell Reprogramming Techniques: Contributions to Cancer Therapy. Cell Reprogram 2023; 25:142-153. [PMID: 37530737 DOI: 10.1089/cell.2023.0011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023] Open
Abstract
The reprogramming of terminally differentiated cells over the past few years has become important for induced pluripotent stem cells (iPSCs) in the field of regenerative medicine and disease drug modeling. At the same time, iPSCs have also played an important role in human cancer research. iPSCs derived from cancer patients can be used to simulate the early progression of cancer, for drug testing, and to study the molecular mechanism of cancer occurrence. In recent years, with the application of cellular immunotherapy in cancer therapy, patient-derived iPSC-induced immune cells (T, natural killer, and macrophage cells) solve the problem of immune rejection and have higher immunogenicity, which greatly improves the therapeutic efficiency of immune cell therapy. With the continuous progress of cancer differentiation therapy, iPSC technology can reprogram cancer cells to a more primitive pluripotent undifferentiated state, and successfully reverse cancer cells to a benign phenotype by changing the epigenetic inheritance of cancer cells. This article reviews the recent progress of cell reprogramming technology in human cancer research, focuses on the application of reprogramming technology in cancer immunotherapy and the problems solved, and summarizes the malignant phenotype changes of cancer cells in the process of reprogramming and subsequent differentiation.
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Affiliation(s)
- Tongtong Guo
- College of Life Science, Northwest University, Xi'an, China
| | - Qi Wei
- Wuhan Institute of Technology, Wuhan, China
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2
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Mir SM, Chen J, Pinezich MR, O'Neill JD, Huang SXL, Vunjak-Novakovic G, Kim J. Imaging-guided bioreactor for de-epithelialization and long-term cultivation of ex vivo rat trachea. LAB ON A CHIP 2022; 22:1018-1031. [PMID: 35166739 PMCID: PMC8942046 DOI: 10.1039/d1lc01105g] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Recent synergistic advances in organ-on-chip and tissue engineering technologies offer opportunities to create in vitro-grown tissue or organ constructs that can faithfully recapitulate their in vivo counterparts. Such in vitro tissue or organ constructs can be utilized in multiple applications, including rapid drug screening, high-fidelity disease modeling, and precision medicine. Here, we report an imaging-guided bioreactor that allows in situ monitoring of the lumen of ex vivo airway tissues during controlled in vitro tissue manipulation and cultivation of isolated rat trachea. Using this platform, we demonstrated partial removal of the rat tracheal epithelium (i.e., de-epithelialization) without disrupting the underlying subepithelial cells and extracellular matrix. Through different tissue evaluation assays, such as immunofluorescent staining, DNA/protein quantification, and electron beam microscopy, we showed that the epithelium of the tracheal lumen can be effectively removed with negligible disruption in the underlying tissue layers, such as cartilage and blood vessel. Notably, using a custom-built micro-optical imaging device integrated with the bioreactor, the trachea lumen was visualized at the cellular level, and removal of the endogenous epithelium and distribution of locally delivered exogenous cells were demonstrated in situ. Moreover, the de-epithelialized trachea supported on the bioreactor allowed attachment and growth of exogenous cells seeded topically on its denuded tissue surface. Collectively, the results suggest that our imaging-enabled rat trachea bioreactor and localized cell replacement method can facilitate creation of bioengineered in vitro airway tissue that can be used in different biomedical applications.
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Affiliation(s)
- Seyed Mohammad Mir
- Department of Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ, USA.
| | - Jiawen Chen
- Department of Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ, USA.
| | - Meghan R Pinezich
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - John D O'Neill
- Department of Cell Biology, State University of New York Downstate Medical Center, Brooklyn, NY, USA
| | - Sarah X L Huang
- Center for Stem Cell and Regenerative Medicine, University of Texas Health Science Center, Houston, TX, USA
| | | | - Jinho Kim
- Department of Biomedical Engineering, Stevens Institute of Technology, Hoboken, NJ, USA.
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3
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de Carvalho ALRT, Liu HY, Chen YW, Porotto M, Moscona A, Snoeck HW. The in vitro multilineage differentiation and maturation of lung and airway cells from human pluripotent stem cell-derived lung progenitors in 3D. Nat Protoc 2021; 16:1802-1829. [PMID: 33649566 PMCID: PMC9460941 DOI: 10.1038/s41596-020-00476-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 11/26/2020] [Indexed: 01/31/2023]
Abstract
Lung and airway epithelial cells generated in vitro from human pluripotent stem cells (hPSCs) have applications in regenerative medicine, modeling of lung disease, drug screening and studies of human lung development. Here, we describe a strategy for directed differentiation of hPSCs into mature lung and airway epithelial cells obtained through maturation of NKX2.1+ hPSC-derived lung progenitors in a 3D matrix of collagen I in the absence of glycogen synthase kinase 3 inhibition. This protocol is an extension of our previously published protocol on the directed differentiation of lung and airway epithelium from hPSCs that modifies the technique and offers additional applications. This protocol is conducted in defined media conditions, has a duration of 50-80 d, does not require reporter lines and results in cultures containing mature alveolar type II and I cells as well as airway basal, ciliated, club and neuroendocrine cells. We also present a flow cytometry strategy to assess maturation in the cultures. Several of these populations, including mature NGFR+ basal cells, can be prospectively isolated by cell sorting and expanded for further investigation.
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Affiliation(s)
- Ana Luisa Rodrigues Toste de Carvalho
- Columbia Center for Human Development, Columbia University
Medical Center, New York, NY 10032, USA,Department of Medicine, Columbia University Medical Center,
New York, NY 10032, USA,Life and Health Sciences Research Institute (ICVS), School
of Medicine, University of Minho, 4710-057 Braga, Portugal,ICVS/3B’s, PT Government Associate Laboratory,
4710-057 Braga/Guimarães, Portugal
| | - Hsiao-Yun Liu
- Columbia Center for Human Development, Columbia University
Medical Center, New York, NY 10032, USA,Department of Medicine, Columbia University Medical Center,
New York, NY 10032, USA
| | - Ya-Wen Chen
- Columbia Center for Human Development, Columbia University
Medical Center, New York, NY 10032, USA,Department of Medicine, Columbia University Medical Center,
New York, NY 10032, USA
| | - Matteo Porotto
- Department of Pediatrics, Columbia University Medical
Center, New York, New York, 10032, United States,Center for Host–Pathogen Interaction, Columbia
University Medical Center, New York, New York, 10032, United States,Department of Experimental Medicine, University of Campania
‘Luigi Vanvitelli’, Italy
| | - Anne Moscona
- Department of Pediatrics, Columbia University Medical
Center, New York, New York, 10032, United States,Center for Host–Pathogen Interaction, Columbia
University Medical Center, New York, New York, 10032, United States,Department of Microbiology & Immunology, Columbia
University Medical Center, New York, New York, 10032, United States,Department of Physiology & Cellular Biophysics,
Columbia University Medical Center, New York, New York, 10032, United States
| | - Hans-Willem Snoeck
- Columbia Center for Human Development, Columbia University
Medical Center, New York, NY 10032, USA,Department of Medicine, Columbia University Medical Center,
New York, NY 10032, USA,Columbia Center for Translational Immunology, Columbia
University Medical Center, New York, NY 10032, USA,Department of Microbiology and Immunology, Columbia
University Medical Center, New York, NY 10032, USA, Correspondence should be addressed to H.W.S
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4
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Dhasmana A, Singh A, Rawal S. Biomedical grafts for tracheal tissue repairing and regeneration "Tracheal tissue engineering: an overview". J Tissue Eng Regen Med 2020; 14:653-672. [PMID: 32064791 DOI: 10.1002/term.3019] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 01/28/2020] [Accepted: 01/30/2020] [Indexed: 12/23/2022]
Abstract
Airway system is a vital part of the living being body. Trachea is the upper respiratory portion that connects nostril and lungs and has multiple functions such as breathing and entrapment of dust/pathogen particles. Tracheal reconstruction by artificial prosthesis, stents, and grafts are performed clinically for the repairing of damaged tissue. Although these (above-mentioned) methods repair the damaged parts, they have limited applicability like small area wounds and lack of functional tissue regeneration. Tissue engineering helps to overcome the above-mentioned problems by modifying the traditional used stents and grafts, not only repair but also regenerate the damaged area to functional tissue. Bioengineered tracheal replacements are biocompatible, nontoxic, porous, and having 3D biomimetic ultrastructure with good mechanical strength, which results in faster and better tissue regeneration. Till date, the bioengineered tracheal replacements studies have been going on preclinical and clinical levels. Besides that, still many researchers are working at advance level to make extracellular matrix-based acellular, 3D printed, cell-seeded grafts including living cells to overcome the demand of tissue or organ and making the ready to use tracheal reconstructs for clinical application. Thus, in this review, we summarized the tracheal tissue engineering aspects and their outcomes.
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Affiliation(s)
- Archna Dhasmana
- Department of Biotechnology, School of Applied and Life Sciences, Uttaranchal University, Dehradun, India
| | - Atul Singh
- Department of Biotechnology, School of Applied and Life Sciences, Uttaranchal University, Dehradun, India
| | - Sagar Rawal
- Department of Biotechnology, School of Applied and Life Sciences, Uttaranchal University, Dehradun, India
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5
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Shafiquzzaman M, Biswas S, Li P, Mishina Y, Li B, Liu H. The noncanonical BMP signaling pathway plays an important role in club cell regeneration. Stem Cells 2019; 38:437-450. [PMID: 31758827 DOI: 10.1002/stem.3125] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 09/19/2019] [Accepted: 11/05/2019] [Indexed: 12/13/2022]
Abstract
The bronchiole is a major site for the development of several life-threatening disorders, including chronic obstructive pulmonary disease and lung adenocarcinomas. The bronchiolar epithelium is composed of club cells and ciliated epithelial cells, with club cells serving as progenitor cells. Presently, the identity of the cells involved in regeneration of bronchiolar epithelium and the underlying mechanisms remain incompletely understood. Here, we show that Prrx1, a homeobox transcription factor, can mark club cells in adult mice during homeostasis and regeneration. We further show that the noncanonical signaling pathway of BMPs, BMPR1A-Tak1-p38MAPK, plays a critical role in club cell regeneration. Ablation of Bmpr1a, Tak1, or Mapk14 (encoding p38α) in Prrx1+ club cells caused minimal effect on bronchiolar epithelium homeostasis, yet it resulted in severe defects in club cell regeneration and bronchiole repair in adult mice. We further show that this pathway supports proliferation and expansion of the regenerating club cells. Our findings thus identify a marker for club cells and reveal a critical role for the BMP noncanonical pathway in club cell regeneration.
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Affiliation(s)
- Md Shafiquzzaman
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, People's Republic of China.,Metabolic Bone Disease and Genetics Research Unit, Department of Osteoporosis and Bone Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China.,National Institute of Biotechnology, Ministry of Science and Technology, Dhaka, Bangladesh
| | - Soma Biswas
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Ping Li
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, People's Republic of China
| | - Yuji Mishina
- Department of Biologic & Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, Michigan
| | - Baojie Li
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, People's Republic of China.,Center for Traditional Chinese Medicine and Stem Cell Research, The Chengdu University of Traditional Chinese Medicine, Sichuan, People's Republic of China
| | - Huijuan Liu
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, People's Republic of China.,Metabolic Bone Disease and Genetics Research Unit, Department of Osteoporosis and Bone Diseases, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, People's Republic of China
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6
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Abstract
Bronchopulmonary dysplasia (BPD) continues to be one of the most common complications of preterm birth and is characterized histopathologically by impaired lung alveolarization. Extremely preterm born infants remain at high risk for the development of BPD, highlighting a pressing need for continued efforts to understand the pathomechanisms at play in affected infants. This brief review summarizes recent progress in our understanding of the how the development of the newborn lung is stunted, highlighting recent reports on roles for growth factor signaling, oxidative stress, inflammation, the extracellular matrix and proteolysis, non-coding RNA, and fibroblast and epithelial cell plasticity. Additionally, some concerns about modeling BPD in experimental animals are reviewed, as are new developments in the in vitro modeling of pathophysiological processes relevant to impaired lung alveolarization in BPD.
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Affiliation(s)
- Rory E Morty
- Department of Lung Development and Remodelling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany; Department of Internal Medicine (Pulmonology), University of Giessen and Marburg Lung Center (UGMLC), Member of the German Center for Lung Research (DZL), Giessen, Germany.
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7
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Magro-Lopez E, Guijarro T, Martinez I, Martin-Vicente M, Liste I, Zambrano A. A Two-Dimensional Human Minilung System (Model) for Respiratory Syncytial Virus Infections. Viruses 2017; 9:v9120379. [PMID: 29232863 PMCID: PMC5744153 DOI: 10.3390/v9120379] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 12/04/2017] [Accepted: 12/08/2017] [Indexed: 12/26/2022] Open
Abstract
Human respiratory syncytial virus (HRSV) is a major cause of serious pediatric respiratory diseases that lacks effective vaccine or specific therapeutics. Although our understanding about HRSV biology has dramatically increased during the last decades, the need for adequate models of HRSV infection is compelling. We have generated a two-dimensional minilung from human embryonic stem cells (hESCs). The differentiation protocol yielded at least six types of lung and airway cells, although it is biased toward the generation of distal cells. We show evidence of HRSV replication in lung cells, and the induction of innate and proinflammatory responses, thus supporting its use as a model for the study of HRSV-host interactions.
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Affiliation(s)
- Esmeralda Magro-Lopez
- Functional Unit for Research into Chronic Diseases (UFIEC), Institute of Health Carlos III, 28220 Madrid, Spain.
| | - Trinidad Guijarro
- Functional Unit for Research into Chronic Diseases (UFIEC), Institute of Health Carlos III, 28220 Madrid, Spain.
| | - Isidoro Martinez
- Spanish National Center for Microbiology (CNM), Institute of Health Carlos III, 28220 Madrid, Spain.
| | - Maria Martin-Vicente
- Spanish National Center for Microbiology (CNM), Institute of Health Carlos III, 28220 Madrid, Spain.
| | - Isabel Liste
- Functional Unit for Research into Chronic Diseases (UFIEC), Institute of Health Carlos III, 28220 Madrid, Spain.
| | - Alberto Zambrano
- Functional Unit for Research into Chronic Diseases (UFIEC), Institute of Health Carlos III, 28220 Madrid, Spain.
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8
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Abstract
The discovery of embryonic and induced pluripotent stem cells (ESCs and iPSCs) has ushered in an exciting new era of regenerative medicine. Human pluripotent stem cells can be "directed" in vitro toward lung epithelium by applying specific stepwise combinations of growth factors that recapitulate the molecular mechanisms of respiratory development in animal models. In a relatively short time, there has been significant progress in deriving lung epithelium from ESCs/iPSCs. These directed differentiation protocols include high concentrations of activin A to induce definitive endoderm followed by dual inhibition of bone morphogenic protein and TGF-β signaling pathways to produce anterior foregut endoderm. Subsequent stimulation of Wnt, bone morphogenic protein, and fibroblast growth factor signaling leads to lung epithelial lineage specification, identified by the expression of Nkx2.1. These cells subsequently express other markers of the developing lung and a variety of lung epithelial subtypes. The major limitation in the field currently is deriving and characterizing mature, functional lung epithelium. The generation of iPSCs is now well established, and researchers have generated iPSCs from patients with acquired and inherited lung diseases. This platform offers unparalleled opportunities to model lung development and disease using human cells.
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9
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Syndecan 4 Mediates Nrf2-dependent Expansion of Bronchiolar Progenitors That Protect Against Lung Inflammation. Mol Ther 2015; 24:41-52. [PMID: 26307669 PMCID: PMC4754542 DOI: 10.1038/mt.2015.153] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Accepted: 08/11/2015] [Indexed: 12/16/2022] Open
Abstract
The use of lung progenitors for regenerative medicine appears promising, but their biology is not fully understood. Here, we found anti-inflammatory attributes in bronchiolar progenitors that were sorted as a multipotent subset of mouse club cells and found to express secretory leukocyte protease inhibitor (SLPI). Notably, the impaired expression of SLPI in mice increased the number of bronchiolar progenitors and decreased the lung inflammation. We determined a transcriptional profile for the bronchiolar progenitors of Slpi-deficient mice and identified syndecan 4, whose expression was markedly elevated as compared to that of wild-type mice. Systemic administration of recombinant syndecan 4 protein caused a substantial increase in the number of bronchiolar progenitors with concomitant attenuation of both airway and alveolar inflammation. The syndecan 4 administration also resulted in activation of the Keap1-Nrf2 antioxidant pathway in lung cells, which is critically involved in the therapeutic responses to the syndecan 4 treatment. Moreover, in 3D culture, the presence of syndecan 4 induced differentiated club cells to undergo Nrf2-dependent transition into bronchiolar progenitors. Our observations reveal that differentiative switches between bronchiolar progenitors and club cells are under the Nrf2-mediated control of SLPI and syndecan 4, suggesting the possibility of new therapeutic approaches in inflammatory lung diseases.
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10
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Li JD. Directed differentiation of airway epithelial cells of human bone marrow mesenchymal stem cells. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2015; 44:1654-8. [DOI: 10.3109/21691401.2015.1070858] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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11
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Snoeck HW. Modeling human lung development and disease using pluripotent stem cells. Development 2015; 142:13-6. [PMID: 25516965 DOI: 10.1242/dev.115469] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Directed differentiation of human pluripotent stem cells (hPSCs) into mature cells, tissues and organs holds major promise for the development of novel approaches in regenerative medicine, and provides a unique tool for disease modeling and drug discovery. Sometimes underappreciated is the fact that directed differentiation of hPSCs also provides a unique model for human development, with a number of important advantages over model organisms. Here, I discuss the importance of using human stem cell models for understanding human lung development and disease.
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Affiliation(s)
- Hans-Willem Snoeck
- Columbia Center for Translational Immunology, Columbia University Medical Center, New York, NY, USA Department of Medicine, Columbia University Medical Center, New York, NY, USA Department of Microbiology and Immunology, Columbia University Medical Center, New York, NY, USA
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12
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Huang SXL, Green MD, de Carvalho AT, Mumau M, Chen YW, D'Souza SL, Snoeck HW. The in vitro generation of lung and airway progenitor cells from human pluripotent stem cells. Nat Protoc 2015; 10:413-25. [PMID: 25654758 DOI: 10.1038/nprot.2015.023] [Citation(s) in RCA: 138] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Lung and airway epithelial cells generated in vitro from human pluripotent stem cells (hPSCs) have applications in regenerative medicine, modeling of lung disease, drug screening and studies of human lung development. Here we describe a strategy for directed differentiation of hPSCs into developmental lung progenitors, and their subsequent differentiation into predominantly distal lung epithelial cells. The protocol entails four stages that recapitulate lung development, and it takes ∼50 d. First, definitive endoderm (DE) is induced in the presence of high concentrations of activin A. Subsequently, lung-biased anterior foregut endoderm (AFE) is specified by sequential inhibition of bone morphogenetic protein (BMP), transforming growth factor-β (TGF-β) and Wnt signaling. AFE is then ventralized by applying Wnt, BMP, fibroblast growth factor (FGF) and retinoic acid (RA) signaling to obtain lung and airway progenitors. Finally, these are further differentiated into more mature epithelial cells types using Wnt, FGF, cAMP and glucocorticoid agonism. This protocol is conducted in defined conditions, it does not involve genetic manipulation of the cells and it results in cultures in which the majority of the cells express markers of various lung and airway epithelial cells, with a predominance of cells identifiable as functional type II alveolar epithelial cells.
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Affiliation(s)
- Sarah X L Huang
- 1] Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA. [2] Department of Medicine, Columbia University Medical Center, New York, New York, USA
| | - Michael D Green
- 1] Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA. [2] Department of Medicine, Columbia University Medical Center, New York, New York, USA
| | - Ana Toste de Carvalho
- 1] Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA. [2] Department of Medicine, Columbia University Medical Center, New York, New York, USA
| | - Melanie Mumau
- 1] Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA. [2] Department of Medicine, Columbia University Medical Center, New York, New York, USA
| | - Ya-Wen Chen
- 1] Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA. [2] Department of Medicine, Columbia University Medical Center, New York, New York, USA
| | - Sunita L D'Souza
- Department of Developmental and Regenerative Biology, Black Family Stem Cell Institute, Experimental Therapeutic Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Hans-Willem Snoeck
- 1] Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA. [2] Department of Medicine, Columbia University Medical Center, New York, New York, USA. [3] Department of Microbiology and Immunology, Columbia University Medical Center, New York, New York, USA
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13
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Weiss DJ, Elliott M, Jang Q, Poole B, Birchall M. Tracheal bioengineering: the next steps. Proceeds of an International Society of Cell Therapy Pulmonary Cellular Therapy Signature Series Workshop, Paris, France, April 22, 2014. Cytotherapy 2014; 16:1601-13. [PMID: 25457172 DOI: 10.1016/j.jcyt.2014.10.012] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 10/29/2014] [Accepted: 10/30/2014] [Indexed: 11/15/2022]
Abstract
There has been significant and exciting recent progress in the development of bioengineering approaches for generating tracheal tissue that can be used for congenital and acquired tracheal diseases. This includes a growing clinical experience in both pediatric and adult patients with life-threatening tracheal diseases. However, not all of these attempts have been successful, and there is ongoing discussion and debate about the optimal approaches to be used. These include considerations of optimal materials, particularly use of synthetic versus biologic scaffolds, appropriate cellularization of the scaffolds, optimal surgical approaches and optimal measure of both clinical and biologic outcomes. To address these issues, the International Society of Cell Therapy convened a first-ever meeting of the leading clinicians and tracheal biologists, along with experts in regulatory and ethical affairs, to discuss and debate the issues. A series of recommendations are presented for how to best move the field ahead.
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Affiliation(s)
- Daniel J Weiss
- Department of Medicine, University of Vermont, Burlington, Vermont, USA
| | - Martin Elliott
- Department of Cardiothoracic Surgery, Great Ormond Street Hospital, London, United Kingdom
| | - Queenie Jang
- International Society for Cell Therapy, Vancouver, British Columbia, Canada
| | - Brian Poole
- International Society for Cell Therapy, Vancouver, British Columbia, Canada
| | - Martin Birchall
- Royal National Throat Nose, and Ear Hospital and University College London, London, United Kingdom.
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14
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Pimton P, Lecht S, Stabler CT, Johannes G, Schulman ES, Lelkes PI. Hypoxia enhances differentiation of mouse embryonic stem cells into definitive endoderm and distal lung cells. Stem Cells Dev 2014; 24:663-76. [PMID: 25226206 DOI: 10.1089/scd.2014.0343] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
We investigated the effects of hypoxia on spontaneous (SP)- and activin A (AA)-induced definitive endoderm (DE) differentiation of mouse embryonic stem cells (mESCs) and their subsequent differentiation into distal pulmonary epithelial cells. SP differentiation for 6 days of mESCs toward endoderm at hypoxia of 1% O2, but not at 3% or 21% (normoxia), increased the expression of Sox17 and Foxa2 by 31- and 63-fold above maintenance culture, respectively. Treatment of mESCs with 20 ng/mL AA for 6 days under hypoxia further increased the expression of DE marker genes Sox17, Foxa2, and Cxcr4 by 501-, 1,483-, and 126-fold above maintenance cultures, respectively. Transient exposure to hypoxia, as short as 24 h, was sufficient to enhance AA-induced endoderm formation. The involvement of hypoxia-inducible factor (HIF)-1α and reactive oxygen species (ROS) in the AA-induced endoderm enrichment was assessed using HIF-1α(-/-) mESCs and the ROS scavenger N-acetylcysteine (NAC). Under SP conditions, HIF-1α(-/-) mESCs failed to increase the expression of endodermal marker genes but rather shifted toward ectoderm. Hypoxia induced only a marginal potentiation of AA-induced endoderm differentiation in HIF-1α(-/-) mESCs. Treatment of mESCs with AA and NAC led to a dose-dependent decrease in Sox17 and Foxa2 expression. In addition, the duration of exposure to hypoxia in the course of a recently reported lung differentiation protocol resulted in differentially enhanced expression of distal lung epithelial cell marker genes aquaporin 5 (Aqp5), surfactant protein C (Sftpc), and secretoglobin 1a1 (Scgb1a1) for alveolar epithelium type I, type II, and club cells, respectively. Our study is the first to show the effects of in vitro hypoxia on efficient formation of DE and lung lineages. We suggest that the extent of hypoxia and careful timing may be important components of in vitro differentiation bioprocesses for the differential generation of distal lung epithelial cells from pluripotent progenitors.
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Affiliation(s)
- Pimchanok Pimton
- 1 Department of Biology, School of Science, Walailak University , Nakhon Si Thammarat, Thailand
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15
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Huang SXL, Islam MN, O'Neill J, Hu Z, Yang YG, Chen YW, Mumau M, Green MD, Vunjak-Novakovic G, Bhattacharya J, Snoeck HW. Efficient generation of lung and airway epithelial cells from human pluripotent stem cells. Nat Biotechnol 2013; 32:84-91. [PMID: 24291815 PMCID: PMC4101921 DOI: 10.1038/nbt.2754] [Citation(s) in RCA: 411] [Impact Index Per Article: 37.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Accepted: 10/30/2013] [Indexed: 12/14/2022]
Abstract
The ability to generate lung and airway epithelial cells from human pluripotent stem cells (hPSCs) would have applications in regenerative medicine, drug screening and modeling of lung disease, and studies of human lung development. We established, based on developmental paradigms, a highly efficient method for directed differentiation of hPSCs into lung and airway epithelial cells. Long-term differentiation in vivo and in vitro yielded basal, goblet, Clara, ciliated, type I and type II alveolar epithelial cells. Type II alveolar epithelial cells generated were capable of surfactant protein-B uptake and stimulated surfactant release, providing evidence of specific function. Inhibiting or removing agonists to signaling pathways critical for early lung development in the mouse—retinoic acid, Wnt and BMP—recapitulated defects in corresponding genetic mouse knockouts. The capability of this protocol to generate most cell types of the respiratory system suggests its utility for deriving patient-specific therapeutic cells.
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Affiliation(s)
- Sarah X L Huang
- 1] Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA. [2] Department of Medicine, Columbia University Medical Center, New York, New York, USA
| | | | - John O'Neill
- Department of Biomedical Engineering, Columbia University, New York, New York, USA
| | - Zheng Hu
- Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA
| | - Yong-Guang Yang
- 1] Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA. [2] Department of Medicine, Columbia University Medical Center, New York, New York, USA
| | - Ya-Wen Chen
- 1] Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA. [2] Department of Medicine, Columbia University Medical Center, New York, New York, USA
| | - Melanie Mumau
- 1] Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA. [2] Department of Medicine, Columbia University Medical Center, New York, New York, USA
| | - Michael D Green
- Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA
| | - Gordana Vunjak-Novakovic
- 1] Department of Medicine, Columbia University Medical Center, New York, New York, USA. [2] Department of Biomedical Engineering, Columbia University, New York, New York, USA
| | - Jahar Bhattacharya
- 1] Department of Medicine, Columbia University Medical Center, New York, New York, USA. [2] Department of Physiology & Cellular Biophysics, Columbia University Medical Center, New York, New York, USA
| | - Hans-Willem Snoeck
- 1] Columbia Center for Translational Immunology, Columbia University Medical Center, New York, New York, USA. [2] Department of Medicine, Columbia University Medical Center, New York, New York, USA. [3] Department of Microbiology and Immunology, Columbia University Medical Center, New York, New York, USA
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