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Jeyagaran A, Lu CE, Zbinden A, Birkenfeld AL, Brucker SY, Layland SL. Type 1 diabetes and engineering enhanced islet transplantation. Adv Drug Deliv Rev 2022; 189:114481. [PMID: 36002043 PMCID: PMC9531713 DOI: 10.1016/j.addr.2022.114481] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 08/01/2022] [Accepted: 08/02/2022] [Indexed: 01/24/2023]
Abstract
The development of new therapeutic approaches to treat type 1 diabetes mellitus (T1D) relies on the precise understanding and deciphering of insulin-secreting β-cell biology, as well as the mechanisms responsible for their autoimmune destruction. β-cell or islet transplantation is viewed as a potential long-term therapy for the millions of patients with diabetes. To advance the field of insulin-secreting cell transplantation, two main research areas are currently investigated by the scientific community: (1) the identification of the developmental pathways that drive the differentiation of stem cells into insulin-producing cells, providing an inexhaustible source of cells; and (2) transplantation strategies and engineered transplants to provide protection and enhance the functionality of transplanted cells. In this review, we discuss the biology of pancreatic β-cells, pathology of T1D and current state of β-cell differentiation. We give a comprehensive view and discuss the different possibilities to engineer enhanced insulin-secreting cell/islet transplantation from a translational perspective.
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Affiliation(s)
- Abiramy Jeyagaran
- Institute of Biomedical Engineering, Department for Medical Technologies and Regenerative Medicine, Eberhard Karls University Tübingen, 72076 Tübingen, Germany; NMI Natural and Medical Sciences Institute at the University Tübingen, 72770 Reutlingen, Germany
| | - Chuan-En Lu
- Institute of Biomedical Engineering, Department for Medical Technologies and Regenerative Medicine, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Aline Zbinden
- Department of Immunology, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Andreas L Birkenfeld
- Department of Internal Medicine IV, University Hospital Tübingen, Tübingen, Germany; Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, German Center for Diabetes Research (DZD e.V.), Munich, Germany
| | - Sara Y Brucker
- Department of Women's Health, Eberhard Karls University, 72076 Tübingen, Germany
| | - Shannon L Layland
- Institute of Biomedical Engineering, Department for Medical Technologies and Regenerative Medicine, Eberhard Karls University Tübingen, 72076 Tübingen, Germany; Department of Women's Health, Eberhard Karls University, 72076 Tübingen, Germany.
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Noguchi H, Miyagi-Shiohira C, Nakashima Y, Kinjo T, Kobayashi N, Saitoh I, Watanabe M, Shapiro AMJ, Kin T. Induction of Expandable Tissue-Specific Progenitor Cells from Human Pancreatic Tissue through Transient Expression of Defined Factors. Mol Ther Methods Clin Dev 2019; 13:243-252. [PMID: 30828587 PMCID: PMC6383192 DOI: 10.1016/j.omtm.2019.01.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 01/17/2019] [Indexed: 02/07/2023]
Abstract
We recently demonstrated the generation of mouse induced tissue-specific stem (iTS) cells through transient overexpression of reprogramming factors combined with tissue-specific selection. Here we induced expandable tissue-specific progenitor (iTP) cells from human pancreatic tissue through transient expression of genes encoding the reprogramming factors OCT4 (octamer-binding transcription factor 4), p53 small hairpin RNA (shRNA), SOX2 (sex-determining region Y-box 2), KLF4 (Kruppel-like factor 4), L-MYC, and LIN28. Transfection of episomal plasmid vectors into human pancreatic tissue efficiently generated iTP cells expressing genetic markers of endoderm and pancreatic progenitors. The iTP cells differentiated into insulin-producing cells more efficiently than human induced pluripotent stem cells (iPSCs). iTP cells continued to proliferate faster than pancreatic tissue cells until days 100-120 (passages 15-20). iTP cells subcutaneously inoculated into immunodeficient mice did not form teratomas. Genomic bisulfite nucleotide sequence analysis demonstrated that the OCT4 and NANOG promoters remained partially methylated in iTP cells. We compared the global gene expression profiles of iPSCs, iTP cells, and pancreatic cells (islets >80%). Microarray analyses revealed that the gene expression profiles of iTP cells were similar, but not identical, to those of iPSCs but different from those of pancreatic cells. The generation of human iTP cells may have important implications for the clinical application of stem/progenitor cells.
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Affiliation(s)
- Hirofumi Noguchi
- Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa 903-0215, Japan
- Corresponding author: Hirofumi Noguchi, MD, PhD, Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, 207 Uehara, Nishihara, Okinawa 903-0215, Japan.
| | - Chika Miyagi-Shiohira
- Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa 903-0215, Japan
| | - Yoshiki Nakashima
- Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa 903-0215, Japan
| | - Takao Kinjo
- Department of Basic Laboratory Sciences, School of Health Sciences in Faculty of Medicine, University of the Ryukyus, Okinawa 903-0215, Japan
| | | | - Issei Saitoh
- Division of Pediatric Dentistry, Graduate School of Medical and Dental Science, Niigata University, Niigata 951-8514, Japan
| | - Masami Watanabe
- Department of Urology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
| | - A. M. James Shapiro
- Clinical Islet Transplant Program and Department of Surgery, University of Alberta, Edmonton, AB, Canada
| | - Tatsuya Kin
- Clinical Islet Transplant Program and Department of Surgery, University of Alberta, Edmonton, AB, Canada
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Miyagi-Shiohira C, Nakashima Y, Kobayashi N, Saitoh I, Watanabe M, Noguchi H. Characterization of induced tissue-specific stem cells from pancreas by a synthetic self-replicative RNA. Sci Rep 2018; 8:12341. [PMID: 30120295 PMCID: PMC6098023 DOI: 10.1038/s41598-018-30784-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 08/06/2018] [Indexed: 12/11/2022] Open
Abstract
Induced pluripotent stem (iPS) cells have significant implications for overcoming most of the ethical issues associated with embryonic stem (ES) cells. Furthermore, our recent study demonstrated the generation of induced tissue-specific stem (iTS) cells by transient overexpression of the reprogramming factors using a plasmid combined with tissue-specific selection. In this study, we were able to generate RNA-based iTS cells that utilize a single, synthetic, self-replicating VEE-RF RNA replicon expressing four reprogramming factors (OCT4, KLF4, SOX2, and GLIS1). A single VEE-RF RNA transfection into mouse pancreatic tissue resulted in efficient generation of iTS cells from pancreas (iTS-P cells) with genetic markers of endoderm and pancreatic progenitors and differentiation into insulin-producing cells more efficiently than ES cells. Subcutaneous transplantation of iTS-P cells into immunodeficient mice resulted in no teratoma formation. Bisulfite genomic sequencing demonstrated that the promoters of Oct4 and Nanog remained partially methylated in iTS-P cells. We compared the global gene-expression profiles of ES cells, iTS-P cells, and pancreatic islets. Microarray analyses confirmed that the iTS-P cells were similar but not identical to ES cells compared with islets. These data suggest that iTS-P cells are cells that inherit numerous components of epigenetic memory from pancreas cells and acquire self-renewal potential. The generation of iTS cells may have important implications for the clinical application of stem cells.
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Affiliation(s)
- Chika Miyagi-Shiohira
- Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, 903-0215, Japan
| | - Yoshiki Nakashima
- Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, 903-0215, Japan
| | | | - Issei Saitoh
- Division of Pediatric Dentistry, Graduate School of Medical and Dental Science, Niigata University, Niigata, 951-8514, Japan
| | - Masami Watanabe
- Department of Urology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, 700-8558, Japan
| | - Hirofumi Noguchi
- Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, 903-0215, Japan.
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Noguchi H, Miyagi-Shiohira C, Nakashima Y. Induced Tissue-Specific Stem Cells and Epigenetic Memory in Induced Pluripotent Stem Cells. Int J Mol Sci 2018; 19:E930. [PMID: 29561778 PMCID: PMC5979574 DOI: 10.3390/ijms19040930] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 03/09/2018] [Accepted: 03/19/2018] [Indexed: 02/07/2023] Open
Abstract
Induced pluripotent stem (iPS) cells have significant implications for overcoming most of the ethical issues associated with embryonic stem (ES) cells. The pattern of expressed genes, DNA methylation, and covalent histone modifications in iPS cells are very similar to those in ES cells. However, it has recently been shown that, following the reprogramming of mouse/human iPS cells, epigenetic memory is inherited from the parental cells. These findings suggest that the phenotype of iPS cells may be influenced by their cells of origin and that their skewed differentiation potential may prove useful in the generation of differentiated cell types that are currently difficult to produce from ES/iPS cells for the treatment of human diseases. Our recent study demonstrated the generation of induced tissue-specific stem (iTS) cells by transient overexpression of the reprogramming factors combined with tissue-specific selection. iTS cells are cells that inherit numerous components of epigenetic memory from donor tissue and acquire self-renewal potential. This review describes the "epigenetic memory" phenomenon in iPS and iTS cells and the possible clinical applications of these stem cells.
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Affiliation(s)
- Hirofumi Noguchi
- Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa 903-0215, Japan.
| | - Chika Miyagi-Shiohira
- Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa 903-0215, Japan.
| | - Yoshiki Nakashima
- Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa 903-0215, Japan.
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Kim HS, Lee MK. β-Cell regeneration through the transdifferentiation of pancreatic cells: Pancreatic progenitor cells in the pancreas. J Diabetes Investig 2016; 7:286-96. [PMID: 27330712 PMCID: PMC4847880 DOI: 10.1111/jdi.12475] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 12/27/2015] [Accepted: 01/04/2016] [Indexed: 12/17/2022] Open
Abstract
Pancreatic progenitor cell research has been in the spotlight, as these cells have the potential to replace pancreatic β‐cells for the treatment of type 1 and 2 diabetic patients with the absence or reduction of pancreatic β‐cells. During the past few decades, the successful treatment of diabetes through transplantation of the whole pancreas or isolated islets has nearly been achieved. However, novel sources of pancreatic islets or insulin‐producing cells are required to provide sufficient amounts of donor tissues. To overcome this limitation, the use of pancreatic progenitor cells is gaining more attention. In particular, pancreatic exocrine cells, such as duct epithelial cells and acinar cells, are attractive candidates for β‐cell regeneration because of their differentiation potential and pancreatic lineage characteristics. It has been assumed that β‐cell neogenesis from pancreatic progenitor cells could occur in pancreatic ducts in the postnatal stage. Several studies have shown that insulin‐producing cells can arise in the duct tissue of the adult pancreas. Acinar cells also might have the potential to differentiate into insulin‐producing cells. The present review summarizes recent progress in research on the transdifferentiation of pancreatic exocrine cells into insulin‐producing cells, especially duct and acinar cells.
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Affiliation(s)
- Hyo-Sup Kim
- Division of Endocrinology and Metabolism Department of Medicine Sungkyunkwan University School of Medicine Samsung Biomedical Research Institute Samsung Medical Center Seoul Korea
| | - Moon-Kyu Lee
- Division of Endocrinology and Metabolism Department of Medicine Sungkyunkwan University School of Medicine Samsung Biomedical Research Institute Samsung Medical Center Seoul Korea
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Noguchi H, Saitoh I, Tsugata T, Kataoka H, Watanabe M, Noguchi Y. Induction of tissue-specific stem cells by reprogramming factors, and tissue-specific selection. Cell Death Differ 2014; 22:145-55. [PMID: 25190146 DOI: 10.1038/cdd.2014.132] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 07/16/2014] [Accepted: 07/21/2014] [Indexed: 01/23/2023] Open
Abstract
Although induced pluripotent stem (iPS) cells have significant implications for overcoming most of the ethical issues associated with embryonic stem (ES) cells, there are still several unresolved issues related to the use of iPS cells for clinical applications, such as teratoma formation. In this study, we were able to generate tissue-specific stem (induced tissue-specific stem; iTS) cells from the pancreas (iTS-P) or liver (iTS-L) by transient overexpression of reprogramming factors, combined with tissue-specific selection. The generation of iTS cells was easier than that of iPS cells. The iTS-P/iTS-L cells express genetic markers of endoderm and pancreatic/hepatic progenitors and were able to differentiate into insulin-producing cells/hepatocytes more efficiently than ES cells. Subcutaneous transplantation of both types of iTS cells into immunodeficient mice resulted in no teratoma formation. The technology used for the transient overexpression of reprogramming factors and tissue-specific selection may be useful for the generation of other tissue-specific stem cells, and the generation of iTS cells could have important implications for the clinical application of stem cells.
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Affiliation(s)
- H Noguchi
- 1] Department of Surgery, Chiba-East National Hospital, National Hospital Organization, Chiba, Japan [2] Department of Regenerative Medicine, Graduate School of Medicine, University of the Ryukyus, Okinawa, Japan [3] Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan [4] Natural and Environmental Sciences Program, The Open University of Japan, Chiba, Japan
| | - I Saitoh
- Division of Pediatric Dentistry, Graduate School of Medical and Dental Science, Niigata University, Niigata, Japan
| | - T Tsugata
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - H Kataoka
- Department of Primary Care and Medical Education, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - M Watanabe
- Department of Urology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Y Noguchi
- Department of Socio-environmental Design, Hiroshima International University, Hiroshima, Japan
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Kuise T, Noguchi H, Tazawa H, Kawai T, Iwamuro M, Saitoh I, Kataoka HU, Watanabe M, Noguchi Y, Fujiwara T. Establishment of a pancreatic stem cell line from fibroblast-derived induced pluripotent stem cells. Biomed Eng Online 2014; 13:64. [PMID: 24886514 PMCID: PMC4055227 DOI: 10.1186/1475-925x-13-64] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Accepted: 05/23/2014] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND For cell therapies to treat diabetes, it is important to produce a sufficient number of pancreatic endocrine cells that function similarly to primary islets. Induced pluripotent stem (iPS) cells represent a potentially unlimited source of functional pancreatic endocrine cells. However, the use of iPS cells for laboratory studies and cell-based therapies is hampered by their high tumorigenic potential and limited ability to generate pure populations of differentiated cell types in vitro. The purpose of this study was to establish a pancreatic stem cell line from iPS cells derived from mouse fibroblasts. METHODS Mouse iPS cells were induced to differentiate into insulin-producing cells by a multi-step differentiation protocol, which was conducted as described previously with minor modifications. Selection of the pancreatic stem cell was based on morphology and Pdx1 expression. The pancreatic potential of the pancreatic stem cells was evaluated using a reverse transcription PCR, real-time PCR, immunofluorescence, and a glucose challenge test. To assess potential tumorigenicity of the pancreatic stem cells, the cells were injected into the quadriceps femoris muscle of the left hindlimb of nude mice. RESULTS The iPS-derived pancreatic stem cells expressed the transcription factor--Pdx1--a marker of pancreatic development, and continued to divide actively beyond passage 80. Endocrine cells derived from these pancreatic stem cells expressed insulin and pancreatic genes, and they released insulin in response to glucose stimulation. Mice injected with the pancreatic stem cells did not develop tumors, in contrast to mice injected with an equal number of iPS cells. CONCLUSION This strategy provides a new approach for generation of insulin-producing cells that is more efficient and safer than using iPS cells. We believe that this approach will help to develop a patient-specific cell transplantation therapy for diabetes in the near future.
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Affiliation(s)
| | - Hirofumi Noguchi
- Department of Surgery, Chiba-East National Hospital, National Hospital Organization, Chiba 260-8712, Japan.
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Shimoda M, Chen S, Noguchi H, Takita M, Sugimoto K, Itoh T, Chujo D, Iwahashi S, Naziruddin B, Levy MF, Matsumoto S, Grayburn PA. A new method for generating insulin-secreting cells from human pancreatic epithelial cells after islet isolation transformed by NeuroD1. Hum Gene Ther Methods 2014; 25:206-19. [PMID: 24845703 DOI: 10.1089/hgtb.2013.122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The generation of insulin-secreting cells from nonendocrine pancreatic epithelial cells (NEPEC) has been demonstrated for potential clinical use in the treatment of diabetes. However, previous methods either had limited efficacy or required viral vectors, which hinder clinical application. In this study, we aimed to establish an efficient method of insulin-secreting cell generation from NEPEC without viral vectors. We used nonislet fractions from both research-grade human pancreata from brain-dead donors and clinical pancreata after total pancreatectomy with autologous islet transplantation to treat chronic pancreatitis. It is of note that a few islets could be mingled in the nonislet fractions, but their influence could be limited. The NeuroD1 gene was induced into NEPEC using an effective triple lipofection method without viral vectors to generate insulin-secreting cells. The differentiation was promoted by adding a growth factor cocktail into the culture medium. Using the research-grade human pancreata, the effective method showed high efficacy in the differentiation of NEPEC into insulin-positive cells that secreted insulin in response to a glucose challenge and improved diabetes after being transplanted into diabetic athymic mice. Using the clinical pancreata, similar efficacy was obtained, even though those pancreata suffered chronic pancreatitis. In conclusion, our effective differentiation protocol with triple lipofection method enabled us to achieve very efficient insulin-secreting cell generation from human NEPEC without viral vectors. This method offers the potential for supplemental insulin-secreting cell transplantation for both allogeneic and autologous islet transplantation.
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Yamato E, Bamba Y, Kamiya Y, Yagi K, Miyazaki JI. Analysis of the transcription factor cascade that induces endocrine and exocrine cell lineages from pancreatic progenitor cells using a polyoma-based episomal vector system. J Diabetes Investig 2014; 3:41-51. [PMID: 24843545 PMCID: PMC4014932 DOI: 10.1111/j.2040-1124.2011.00136.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Aims/Introduction: We recently established a strategy for isolating multipotential duct‐like cells, called pdx‐1‐positive pancreatic cell‐derived (PPPD) cells, from the pancreas. To analyze the molecular mechanisms of pancreatic cell differentiation, we introduced a polyoma‐based episomal vector system into PPPD cells. Materials and Methods: PPPD cells were stably transfected with a polyoma large T (PLT)‐expressing plasmid vector, which included the polyoma origin of replication, to generate PLT‐PPPD cells. Various cDNA for pancreas‐related transcription factors were subcloned into the expression plasmid pPyCAG, which included the polyoma origin of replication. PLT‐PPPD cells were stably transfected with the resulting plasmid vectors and then subjected to gene and protein expression analyses. Results: The coexpression of Mafa, Neurod1 and Ipf1 induced Ins1 and Ins2 expression in PLT‐PPPD cells. The forced expression of Pax6 alone induced the expression of glucagon. The coexpression of Neurod1 and Isl1 induced Ins2 and Sst expression. In contrast, the expression of Ptf1a and Foxa2 induced the expression of exocrine markers Cpa1 and Amy2. Transfections with multiple transcription factors showed that Isl1 is required for the differentiation of both insulin‐positive cells and somatostatin‐positive cells. In addition, Foxa2 induced the differentiation of glucagon‐positive cells and inhibited the differentiation of insulin‐positive and somatostatin‐positive cells. PLT‐PPPD cells allow episomal vector‐based gene expression and should be useful for studying the transcription factor cascades involved in the differentiation of pancreatic cell types in vitro. Conclusions: Our coexpression study showed novel critical roles for Isl1 and Foxa2 in the differentiation of PPPD cells into endocrine cells. (J Diabetes Invest, doi: 10.1111/j.2040‐1124.2011.00136.x, 2012)
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Affiliation(s)
- Eiji Yamato
- Stem Cell Regulation Research, Osaka University Graduate School of Medicine
| | - Yohei Bamba
- Stem Cell Regulation Research, Osaka University Graduate School of Medicine
| | - Yukimasa Kamiya
- Stem Cell Regulation Research, Osaka University Graduate School of Medicine ; Bio-functional Molecular Chemistry, Osaka University Graduate School of Pharmaceutical Sciences, Suita, Japan
| | - Kiyohito Yagi
- Bio-functional Molecular Chemistry, Osaka University Graduate School of Pharmaceutical Sciences, Suita, Japan
| | - Jun-Ichi Miyazaki
- Stem Cell Regulation Research, Osaka University Graduate School of Medicine
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Kuise T, Noguchi H, Saitoh I, Kataoka HU, Watanabe M, Noguchi Y, Fujiwara T. Isolation Efficiency of Mouse Pancreatic Stem Cells Is Age Dependent. CELL MEDICINE 2013; 5:69-73. [PMID: 26858868 DOI: 10.3727/215517913x666503] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Mouse pancreatic stem cells have been isolated from mouse pancreata. This study evaluated the efficacy of isolating mouse pancreatic stem cells using mice of different ages. The pancreata of newborn mice, 8-week-old mice, and 24-week-old mice were harvested and digested by using collagenase. The "duct-like" cells in the digested pancreatic tissue were then inoculated into 96-well plates, cloned by limiting dilution, and cultured in DMEM with 20% FBS. Pancreatic stem cells were isolated from the pancreata of all newborn mice, while cells could only be isolated from 10% of the pancreata of 8-week-old mice and could not be isolated from the pancreata of any 24-week-old mice. These data suggest that young mice may have some pancreatic stem cells and that older mice may only have a few pancreatic stem cells. These data also indicate that it is extremely difficult to isolate pancreatic stem cells from older mice, suggesting that future research focus its efforts on finding methods of isolating pancreatic stem cells from adult mice.
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Affiliation(s)
- Takashi Kuise
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , Okayama , Japan
| | - Hirofumi Noguchi
- † Department of Surgery, Clinical Research Center, Chiba-East Hospital, National Hospital Organization , Chiba , Japan
| | - Issei Saitoh
- ‡ Department of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences , Niigata , Japan
| | - Hitomi Usui Kataoka
- § Department of Primary Care and Medical Education, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , Okayama , Japan
| | - Masami Watanabe
- ¶ Department of Urology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , Okayama , Japan
| | - Yasufumi Noguchi
- # Department of Socio-environmental Design, Hiroshima International University , Hiroshima , Japan
| | - Toshiyoshi Fujiwara
- Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , Okayama , Japan
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Noguchi H, Saitoh I, Kataoka HU, Watanabe M, Noguchi Y, Fujiwara T. Culture Conditions for Mouse Pancreatic Stem Cells. CELL MEDICINE 2013; 5:63-8. [PMID: 26858867 DOI: 10.3727/215517913x666495] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Recently, mouse pancreatic stem cells have been isolated from adult mouse pancreata. However, these pancreatic stem cells could be maintained only under specific culture conditions with lot-limited fetal bovine serum (FBS). For the efficient isolation and maintenance of mouse pancreatic stem cells, it is important to identify culture conditions that can be used independent of the FBS lot. In this study, we evaluated the culture conditions required to maintain mouse pancreatic stem cells. The mouse pancreatic stem cells derived from the pancreas of a newborn mouse, HN#101, were cultured under the following conditions: 1) Dulbecco's modified Eagle's medium (DMEM) with 20% lot-limited FBS, in which mouse pancreatic stem cells could be cultured without changes in morphology and growth activity; 2) complete embryonic stem (ES) cell media; and 3) complete ES cell media on feeder layers of mitomycin C-treated STO cells, which were the same culture conditions used for mouse ES cells. Under culture conditions #1 and #3, the HN#101 cells continued to form a flat "cobblestone" monolayer and continued to divide actively beyond the population doubling level (PDL) 100 without growth inhibition, but this did not occur under culture condition #2. The gene expression profile and differentiated capacity of the HN#101 cells cultured for 2 months under culture condition #3 were similar to those of HN#101 cells at PDL 50. These data suggest that complete ES cell media on feeder layers could be useful for maintaining the undifferentiated state of pancreatic stem cells.
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Affiliation(s)
- Hirofumi Noguchi
- Department of Surgery, Clinical Research Center, Chiba-East Hospital, National Hospital Organization , Chiba , Japan
| | - Issei Saitoh
- † Department of Pediatric Dentistry, Niigata University Graduate School of Medical and Dental Sciences , Niigata , Japan
| | - Hitomi Usui Kataoka
- ‡ Department of Primary Care and Medical Education, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , Okayama , Japan
| | - Masami Watanabe
- § Department of Urology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , Okayama , Japan
| | - Yasufumi Noguchi
- ¶ Department of Socio-environmental Design, Hiroshima International University , Hiroshima , Japan
| | - Toshiyoshi Fujiwara
- # Department of Gastroenterological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , Okayama , Japan
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Acinar-to-ductal metaplasia induced by adenovirus-mediated pancreatic expression of Isl1. PLoS One 2012; 7:e47536. [PMID: 23077629 PMCID: PMC3471997 DOI: 10.1371/journal.pone.0047536] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2012] [Accepted: 09/13/2012] [Indexed: 12/20/2022] Open
Abstract
Tubular complexes (TCs) are aggregates of duct-like monolayered cells in the developing and regenerating pancreas. Recent studies showed that TCs have regenerative potential, including islet neogenesis. We previously delivered adenovirus vector (AdV) into exocrine cells of the pancreas by intra-common bile ductal (ICBD) injection, and found that AdV expressing Pdx1, a pancreas-specific transcription factor, causes TC formation and islet neogenesis. We also established RTF-Pdx1-EGFP mice, which ubiquitously express Pdx1 when tetracycline is removed from the drinking water. However, exogenous Pdx1 expression in adult RTF-Pdx1-EGFP mice did not cause any pathological changes in the pancreas during three weeks of observation after tetracycline withdrawal. To examine whether the host immune response induced by AdV was involved in TC formation, we delivered AdVs expressing pancreas-related transcription factors or an irrelevant protein into the pancreas of RTF-Pdx1-EGFP mice. Histological analyses showed that both AdV injection and Pdx1 expression are required for TC formation. We also analyzed the effects of these ICBD-injected AdVs. AdV expressing Isl1, a proendocrine transcription factor, effectively induced TC formation through acinar-to-ductal metaplasia, and exogenous Pdx1 expression facilitated this process. Considering the regenerative potential of TCs, a strategy that efficiently induces TC formation may lead to novel therapies for diabetes.
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Baek H, Noh YH, Lee JH, Yeon SI, Jeong J, Kwon H. Autonomous isolation, long-term culture and differentiation potential of adult salivary gland-derived stem/progenitor cells. J Tissue Eng Regen Med 2012; 8:717-27. [PMID: 22915381 DOI: 10.1002/term.1572] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2011] [Revised: 05/07/2012] [Accepted: 06/12/2012] [Indexed: 01/08/2023]
Abstract
Salivary gland stem/progenitor cells belong to the endodermal lineage and may serve as good candidates to replace their dysfunctional counterparts. The objective of this study was to isolate large numbers of salivary gland tissue-derived stem cells (SGSCs) from adult rats in order to develop a clinically applicable method that does not involve sorting or stem cell induction by duct ligation. We analysed SGSCs isolated from normal rat salivary glands to determine whether they retained the major characteristics of stem cells, self-renewal and multipotency, especially with respect to the various endodermal cell types. SGSCs expressed high levels of integrin α6β1 and c-kit, which are surface markers of SGSCs. In particular, the integrin α6β1(+) /c-kit(+) salivary gland cells maintained the morphology, proliferation activity and multipotency of stem cells for up to 92 passages in 12 months. Furthermore, we analysed the capacity of SGSCs to differentiate into endoderm lineage cell types, such as acinar-like and insulin-secreting cells. When cultured on growth factor reduced matrigel, the morphology of progenitor cells changed to acinar-like structures and these cells expressed the acinar cell-specific marker, α-amylase, and tight junction markers. Moreover, reverse transcription-polymerase chain reaction (RT-PCR) data showed increased expression of pancreatic cell markers, including insulin, Pdx1, pan polypeptide and neurogenin-3, when these cells formed pancreatic clusters in the presence of activin A, exendin-4 and retinoic acid. These data demonstrate that adult salivary stem/progenitor cells may serve as a potential source for cell therapy in salivary gland hypofunction and diabetes.
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Affiliation(s)
- Hyunjung Baek
- Division of Radiation Oncology, Korea Institute of Radiological and Medical Sciences, Seoul, South Korea
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Neurogenic differentiation 1 directs differentiation of cytokeratin 19-positive human pancreatic nonendocrine cells into insulin-producing cells. Transplant Proc 2011; 42:2071-4. [PMID: 20692411 DOI: 10.1016/j.transproceed.2010.05.114] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND It has been reported that the human pancreatic nonendocrine fraction, which remains after islet isolation, can be differentiated toward beta cells. However, the optimal method to accomplish this goal has not been established. In this study, we introduced the human neurogenic differentiation 1 (NeuroD1) gene into human nonendocrine pancreatic epithelial cells (NEPECs) and promoted insulin-producing cells in vitro. METHODS The human pancreatic nonislet fractions were obtained from brain-dead donors and cultured in suspension for 2-3 days followed by culture with G418 for 4 days. These cells (NEPECs) were then plated on dishes. The NEPECs spread into a cell monolayer within 7 days and all of the cells were cytokeratin-19 (CK19) positive. Seven days after plating, plasmids encoding human NeuroD1 gene under human CK19 promoter were transfected 3 times every other day (termed NEPEC+ND). Seven days after starting induction, these cells were characterized. RESULTS Seven days after starting the induction of human NeuroD1, NEPEC+ND strongly expressed NeuroD1 and insulin mRNA. The ratio of NeuroD1-positive cells in NEPEC+ND was significantly higher than in NEPEC. Human insulin-positive cells in NEPEC+ND were also significantly greater than in NEPEC. Human insulin and C-peptide levels in culture medium in NEPEC+ND were significantly higher than in NEPEC. CONCLUSIONS These findings demonstrated that human NeuroD1 under control of the CK19 promoter can induce the differentiation of CK19-positive NEPECs into insulin-producing cells.
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Abstract
Patients with type 1 diabetes, and most patients with type 2 diabetes, have associated hyperglycemia due to the absence or reduction of insulin production by pancreatic β-cells. Surgical resection of the pancreas may also cause insulin-dependent diabetes depending on the size of the remaining pancreas. Insulin therapy has greatly improved the quality of life of diabetic patients, but this method is inaccurate and requires lifelong treatment that only mitigates the symptoms. The successes achieved over the last few decades by the transplantation of whole pancreas and isolated islets suggest that diabetes can be cured by the replenishment of deficient β-cells. These observations are proof-of-principle and have intensified interest in treating diabetes by cell transplantation, and by the use of stem cells. Pancreatic stem/progenitor cells could be one of the sources for the treatment of diabetes. Islet neogenesis, the budding of new islets from pancreatic stem/progenitor cells located in or near pancreatic ducts, has long been assumed to be an active process in the postnatal pancreas. Several in vitro studies have shown that insulin-producing cells can be generated from adult pancreatic ductal tissues. Acinar cells may also be a potential source for differentiation into insulin-producing cells. This review describes recent progress on pancreatic stem/progenitor cell research for the treatment of diabetes.
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Affiliation(s)
- Hirofumi Noguchi
- Regenerative Research Islet Transplant Program, Baylor Research Institute, 1400 8th Avenue, Fort Worth, TX 76104, USA.
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Oishi K, Noguchi H, Yukawa H, Inoue M, Miyamoto Y, Iwata H, Hasegawa M, Hayashi S. Efficient transfection of sendai virus vector to mouse pancreatic stem cells in the floating state. Cell Transplant 2010; 19:893-900. [PMID: 20587148 DOI: 10.3727/096368910x509022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Sendai virus (SeV) vectors can efficiently introduce foreign genes without toxicity into various organs and are expected to be clinically applicable. We previously compared the transfectional efficiency of SeV and adenovirus (AdV) vectors by assessing the transfer of the green fluorescent protein (GFP) gene to pancreatic stem cells. Although the gene transfer efficiency was similar between these vectors, SeV vector had a lower toxicity in comparison to the AdV vector. In this study, we assessed the gene transfer efficiency of SeV vector in the floating state to pancreatic stem cells. The efficiency of gene transfer was much higher at all time points and at all concentrations in the floating state versus in the adhesion state. In addition, the pancreatic stem cells transfected with SeV in the floating state maintained their differentiation ability. These data suggest that SeV transfection to pancreatic stem cells in the floating state may be useful in gene transfer technology.
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Affiliation(s)
- Koichi Oishi
- Department of Advanced Medicine in Biotechnology and Robotics, Nagoya University Graduate School of Medicine, Nagoya, Japan
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Noguchi H, Naziruddin B, Shimoda M, Fujita Y, Chujo D, Takita M, Peng H, Sugimoto K, Itoh T, Tamura Y, Olsen GS, Kobayashi N, Onaca N, Hayashi S, Levy MF, Matsumoto S. Induction of insulin-producing cells from human pancreatic progenitor cells. Transplant Proc 2010; 42:2081-3. [PMID: 20692413 DOI: 10.1016/j.transproceed.2010.05.097] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
INTRODUCTION We previously established a mouse pancreatic stem cell line without genetic manipulation. In this study, we sought to identify and isolate human pancreatic stem/progenitor cells. We also tested whether growth factors and protein transduction of pancreatic and duodenal homeobox factor-1 (PDX-1) and BETA2/NeuroD into human pancreatic stem/progenitor cells induced insulin or pancreas-related gene expressions. MATERIALS AND METHOD Human pancreata from brain-dead donors were used for islet isolation with the standard Ricordi technique modified by the Edmonton protocol. The cells from a duct-rich population were cultured in several media, based on those designed for mouse pancreatic or for human embryonic stem cells. To induce cell differentiation, cells were cultured for 2 weeks with exendin-4, nicotinamide, keratinocyte growth factor, PDX-1 protein, or BETA2/NeuroD protein. RESULTS The cells in serum-free media showed morphologies similar to a mouse pancreatic stem cell line, while the cells in the medium for human embryonic stem cells formed fibroblast-like morphologies. The nucleus/cytoplasm ratios of the cells in each culture medium decreased during the culture. The cells stopped dividing after 30 days, suggesting that they had entered senescence. The cells treated with induction medium differentiated into insulin-producing cells, expressing pancreas-related genes. CONCLUSION Duplications of cells from a duct-rich population were limited. Induction therapy with several growth factors and transduction proteins might provide a potential new strategy for induction of transplantable insulin-producing cells.
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Affiliation(s)
- H Noguchi
- Baylor All Saints Medical Center, Baylor Research Institute, Fort Worth, Texas 76104, USA.
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Noguchi H, Naziruddin B, Jackson A, Shimoda M, Ikemoto T, Fujita Y, Chujo D, Takita M, Kobayashi N, Onaca N, Hayashi S, Levy MF, Matsumoto S. Characterization of human pancreatic progenitor cells. Cell Transplant 2010; 19:879-86. [PMID: 20587146 DOI: 10.3727/096368910x509004] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
β-Cell replacement therapy via islet transplantation is an effective treatment for diabetes mellitus, but its widespread use is severely limited by the shortage of donor organs. Because pancreatic stem/progenitor cells are abundantly available in the pancreas of these patients and in donor organs, the cells could become a useful target for β-cell replacement therapy. We previously established a mouse pancreatic stem cell line without genetic manipulation. In this study, we used the techniques to identify and isolate human pancreatic stem/progenitor cells. The cells from a duct-rich population were cultured in 23 kinds of culture media, based on media for mouse pancreatic stem cells or for human embryonic stem cells. The cells in serum-free media formed "cobblestone" morphologies, similar to a mouse pancreatic stem cell line. On the other hand, the cells in serum-containing medium and the medium for human embryonic stem cells formed "fibroblast-like" morphologies. The cells divided actively until day 30, and the population doubling level (PDL) was 6-10. However, the cells stopped dividing after 30 days in any culture conditions. During the cultures, the nucleus/cytoplasm (N/C) ratio decreased, suggesting that the cells entered senescence. Exendin-4 treatment and transduction of PDX-1 and NeuroD proteins by protein transduction technology into the cells induced insulin and pancreas-related gene expression. Although the duplications of these cells were limited, this approach could provide a potential new source of insulin-producing cells for transplantation.
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Affiliation(s)
- Hirofumi Noguchi
- Baylor All Saints Medical Center, Baylor Research Institute, Fort Worth, TX 76104, USA.
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Noguchi H. Recent advances in stem cell research for the treatment of diabetes. World J Stem Cells 2009; 1:36-42. [PMID: 21607105 PMCID: PMC3097914 DOI: 10.4252/wjsc.v1.i1.36] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2009] [Revised: 10/15/2009] [Accepted: 10/22/2009] [Indexed: 02/06/2023] Open
Abstract
The success achieved over the last decade with islet transplantation has intensified interest in treating diabetes, not only by cell transplantation, but also by stem cells. The formation of insulin-producing cells from pancreatic duct, acinar, and liver cells is an active area of investigation. Protocols for the in vitro differentiation of embryonic stem (ES) cells based on normal developmental processes, have generated insulin-producing cells, though at low efficiency and without full responsiveness to extracellular levels of glucose. Induced pluripotent stem cells, which have been generated from somatic cells by introducing Oct3/4, Sox2, Klf4, and c-Myc, and which are similar to ES cells in morphology, gene expression, epigenetic status and differentiation, can also differentiate into insulin-producing cells. Overexpression of embryonic transcription factors in stem cells could efficiently induce their differentiation into insulin-expressing cells. The purpose of this review is to demonstrate recent progress in the research for new sources of β-cells, and to discuss strategies for the treatment of diabetes.
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Affiliation(s)
- Hirofumi Noguchi
- Hirofumi Noguchi, Regenerative Research Islet Cell Transplant Program, Baylor All Saints Medical Center, Baylor Research Institute, Fort Worth, TX 76104, United States
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Noguchi H, Oishi K, Ueda M, Yukawa H, Hayashi S, Kobayashi N, Levy MF, Matusmoto S. Establishment of mouse pancreatic stem cell line. Cell Transplant 2009; 18:563-71. [PMID: 19775518 DOI: 10.1177/096368970901805-612] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
beta-Cell replacement therapy via islet transplantation is a promising possibility for the optimal treatment of type 1 diabetes. However, such an approach is severely limited by the shortage of donor organs. Pancreatic stem/progenitor cells could become a useful target for beta-cell replacement therapy in diabetic patients because the cells are abundantly available in the pancreas of these patients and in donor organs. In this study, we established a mouse pancreatic stem cell line without genetic manipulation. The duct-rich population after islet isolation was inoculated into 96-well plates in limiting dilution. From over 200 clones, 15 clones were able to be cultured for over 3 months. The HN#13 cells, which had the highest expression of insulin mRNA after induction, expressed PDX-1 transcription factor, glucagon-like peptide-1 (GLP-1) receptor, and cytokeratin-19 (duct-like cells). These cells continue to divide actively beyond the population doubling level (PDL) of 300. Exendin-4 treatment and transduction of PDX-1 and NeuroD proteins by protein transduction technology in HN#13 cells induced insulin and pancreas-related gene expression. This cell line could be useful for analyzing pancreatic stem cell differentiation. Moreover, the isolation technique might be useful for identification and isolation of human pancreatic stem/progenitor cells.
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Affiliation(s)
- Hirofumi Noguchi
- Baylor Institute for Immunology Research/Baylor All Saints Medical Center, Baylor Research Institute, Dallas, TX 75204, USA.
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Oishi K, Noguchi H, Yukawa H, Inoue M, Takagi S, Iwata H, Hasegawa M, Hayashi S. Recombinant Sendai Virus-Mediated Gene Transfer to Mouse Pancreatic Stem Cells. Cell Transplant 2009; 18:573-80. [PMID: 19775519 DOI: 10.1177/096368970901805-613] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Efficient gene transfer into stem cells is essential for the basic research and for therapeutic applications in gene-modified regenerative medicine. Adenovirus (AdV) vectors, one of the most commonly used types of vectors, can mediate high, albeit transient, levels of expression of the transgene in pancreatic stem/progenitor cells. However, high multiplicity of infection (MOI) with AdV vectors can result in cellular toxicity. Therefore, AdV vectors have been of limited usefulness in clinical applications. In this study, we investigated the in vitro gene transfer efficiency of Sendai virus (SeV) vectors, a paramyxovirus vector that can efficiently introduce foreign genes without toxicity into several cell types, including pancreatic stem cells. The dose-dependent GFP expression of pancreatic stem cells transfected with SeV vectors after 48 h of culture at 37°C was observed. The transfection of pancreatic stem cells with SeV vectors and AdV vectors results in equal expression of the transgene (GFP expression) in the cells after 48 h of culture at 37°C. Although the transfection of pancreatic stem cells with AdV vectors at high MOIs was cytotoxic, transfection with SeV vectors at high MOIs was rarely cytotoxic. In addition, pancreatic stem cells transfected with SeV maintained their differentiation ability. These data suggest that SeV could provide advantages with respect to safety issues in gene-modified regenerative medicine.
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Affiliation(s)
- Koichi Oishi
- Department of Advanced Medicine in Biotechnology and Robotics, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
| | - Hirofumi Noguchi
- Baylor Institute for Immunology Research/Baylor All Saints Medical Center, Baylor Research Institute, Dallas, TX 75204, USA
| | - Hiroshi Yukawa
- Department of Advanced Medicine in Biotechnology and Robotics, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
| | | | - Soichi Takagi
- Department of Advanced Medicine in Biotechnology and Robotics, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
| | - Hisashi Iwata
- Department of Biomedical Sciences, Chubu University College of Life and Health Sciences, Aichi 487-8501, Japan
| | | | - Shuji Hayashi
- Department of Advanced Medicine in Biotechnology and Robotics, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
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Oishi K, Noguchi H, Yukawa H, Hayashi S. Differential Ability of Somatic Stem Cells. Cell Transplant 2009; 18:581-9. [PMID: 19775520 DOI: 10.1177/096368970901805-614] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Somatic stem cells can be isolated from a variety of sources. Although some studies have suggested that somatic stem cells may represent a cell population that is very similar to embryonic stem (ES) cells, it remains unclear whether somatic stem cells retain the potential to differentiate into any cell type derived from the three germ layers. In this study, we investigated the transdifferentiation potential of somatic stem cells using adipose tissue-derived stem/progenitor cells (ASCs; mesodermal stem cells) and pancreatic stem cells (endodermal stem cells). Previous reports from other groups describe the protocol that has been used to differentiate ASCs or mesenchymal stem cells (MSCs) in bone marrow into insulin-producing cells. Induction 1: ASCs were cultured for 3 days in ultra-low attachment plates under serum-free conditions. Induction 2: ASCs were cultured for 24 h with L-DMEM, and reinduced with serum-free H-DMEM for another 10 h. Unlike previous reports, we did not get ASCs to express any pancreas-specific genes, including insulin-1 or insulin-2. Pancreatic stem cells were induced to differentiate into adipo/osteogenic by the following protocols. Induction protocol 1: ACSs were cultured for 7 days with medium containing indometacin, dexamethasone, hydrocortisone, and insulin for adipogenic differentiation. Induction protocol 2: The cells were cultured for 7 days with medium containing dexamethasone, ascorbate-2-phosphate, and β-glycerophosphate for osteogenic differentiation. Although these approaches have been widely used for adipo/osteogenic differentiation from MSCs, adipo/osteogenic differentiation from pancreatic stem cells was not observed. These data suggest that it is not easy for somatic stem cells to transdifferentiate into other germ cell types, at least, under these conditions.
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Affiliation(s)
- Koichi Oishi
- Department of Advanced Medicine in Biotechnology and Robotics, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
| | - Hirofumi Noguchi
- Baylor Institute for Immunology Research/Baylor All Saints Medical Center, Baylor Research Institute, Dallas, TX 75204, USA
| | - Hiroshi Yukawa
- Department of Advanced Medicine in Biotechnology and Robotics, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
| | - Shuji Hayashi
- Department of Advanced Medicine in Biotechnology and Robotics, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan
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Puglisi MA, Giuliani L, Fierabracci A. Identification and characterization of a novel expandable adult stem/progenitor cell population in the human exocrine pancreas. J Endocrinol Invest 2008; 31:563-72. [PMID: 18591892 DOI: 10.1007/bf03346409] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
It is a general opinion that tissue-specific stem cells are present in adult tissues but their specific properties remain elusive. They are rare in tissues and heterogeneous; in addition, their identification and the characterization of their progeny has encountered technical difficulties. In particular, the existence of pancreatic stem cells remains elusive because specific markers for their identification are not available. We established a method for the isolation of a population of stem/progenitor cells from the human exocrine pancreas, and propose it as a model for other human compact organs. We also used markers that identified and finally characterized these cells. Spheroids with self-replicative potential were obtained from all specimens. The isolated population contained a subset of CD34+ CD45- cells and was able to generate, in appropriate conditions, colonies that produce insulin. We obtained evidence that most freshly isolated spheroids, when co-cultured with the c-kit positive neuroblastoma cell line LAN 5, produced a c-kit positive progeny of cells larger in their cytoplasmic content than the original spheroid population, with elongated morphology resembling the neuronal phenotype. We identified a novel predominant functional type of stem/progenitor cell within the human exocrine pancreas, able to generate insulin-producing cells and potentially non-pancreatic cells.
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Affiliation(s)
- M A Puglisi
- Autoimmunity and Organ Regeneration Laboratory, Bambino Gesù Research Institute, 00165 Rome, Italy
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