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Hatano R, Zhang X, Lee E, Kaneda A, Tanaka T, Miki T. Mosaic ablation of pancreatic β cells induces de-differentiation and repetitive proliferation of residual β cells in adult mice. iScience 2024; 27:110656. [PMID: 39310764 PMCID: PMC11416228 DOI: 10.1016/j.isci.2024.110656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 06/27/2024] [Accepted: 07/31/2024] [Indexed: 09/25/2024] Open
Abstract
Diabetes mellitus is induced by quantitative and qualitative decline in pancreatic β cells. Although its radical therapy has not yet been established, β cell regeneration is a promising option. We investigate here two mouse models of β cell regeneration induced after ∼80% reduction in β cell number: Cre/loxP-mediated β cell ablation and partial pancreatectomy. Cre/loxP-mediated, mosaic-pattern of β cell ablation by diphtheria toxin (DT) prompted rapid β cell replenishment through repeated proliferation of rare, highly proliferative DT receptor-negative β cells along with increase in Hes1, Neurog3, Ascl1, and Aldh1a3 (immature/dedifferentiated β cell markers) and decrease in Mafa (a mature β cell marker) in the islets. In contrast, pancreatectomy also prompted active proliferation, but with no change in these immature/dedifferentiated or mature β cell markers. Our findings demonstrate that the mode of β cell regeneration differs between Cre/loxP-mediated β cell ablation and surgical β cell reduction, and the former involves β cell dedifferentiation followed by active repetitive cell proliferation of a small population of β cells.
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Affiliation(s)
- Ryo Hatano
- Department of Medical Physiology, Chiba University, Graduate School of Medicine, Chiba 260-8670, Japan
| | - Xilin Zhang
- Department of Medical Physiology, Chiba University, Graduate School of Medicine, Chiba 260-8670, Japan
| | - Eunyoung Lee
- Department of Medical Physiology, Chiba University, Graduate School of Medicine, Chiba 260-8670, Japan
- Research Institute of Disaster Medicine (RIDM), Chiba University, Graduate School of Medicine, Chiba 260-8670, Japan
| | - Atsushi Kaneda
- Department of Molecular Oncology, Chiba University, Graduate School of Medicine, Chiba 260-8670, Japan
| | - Tomoaki Tanaka
- Research Institute of Disaster Medicine (RIDM), Chiba University, Graduate School of Medicine, Chiba 260-8670, Japan
- Department of Molecular Diagnosis, Chiba University, Graduate School of Medicine, Chiba 260-8670, Japan
| | - Takashi Miki
- Department of Medical Physiology, Chiba University, Graduate School of Medicine, Chiba 260-8670, Japan
- Research Institute of Disaster Medicine (RIDM), Chiba University, Graduate School of Medicine, Chiba 260-8670, Japan
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Chernysheva МB, Ruchko ЕS, Karimova МV, Vorotelyak ЕA, Vasiliev АV. Development, regeneration, and physiological expansion of functional β-cells: Cellular sources and regulators. Front Cell Dev Biol 2024; 12:1424278. [PMID: 39045459 PMCID: PMC11263198 DOI: 10.3389/fcell.2024.1424278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Accepted: 06/18/2024] [Indexed: 07/25/2024] Open
Abstract
Pancreatic regeneration is a complex process observed in both normal and pathological conditions. The aim of this review is to provide a comprehensive understanding of the emergence of a functionally active population of insulin-secreting β-cells in the adult pancreas. The renewal of β-cells is governed by a multifaceted interaction between cellular sources of genetic and epigenetic factors. Understanding the development and heterogeneity of β-cell populations is crucial for functional β-cell regeneration. The functional mass of pancreatic β-cells increases in situations such as pregnancy and obesity. However, the specific markers of mature β-cell populations and postnatal pancreatic progenitors capable of increasing self-reproduction in these conditions remain to be elucidated. The capacity to regenerate the β-cell population through various pathways, including the proliferation of pre-existing β-cells, β-cell neogenesis, differentiation of β-cells from a population of progenitor cells, and transdifferentiation of non-β-cells into β-cells, reveals crucial molecular mechanisms for identifying cellular sources and inducers of functional cell renewal. This provides an opportunity to identify specific cellular sources and mechanisms of regeneration, which could have clinical applications in treating various pathologies, including in vitro cell-based technologies, and deepen our understanding of regeneration in different physiological conditions.
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Affiliation(s)
- М. B. Chernysheva
- Cell Biology Laboratory, Koltzov Institute of Developmental Biology, Moscow, Russia
| | - Е. S. Ruchko
- Cell Biology Laboratory, Koltzov Institute of Developmental Biology, Moscow, Russia
| | - М. V. Karimova
- Cell Biology Laboratory, Koltzov Institute of Developmental Biology, Moscow, Russia
- Department of Biology and Biotechnologies Charles Darwin, The Sapienza University of Rome, Rome, Italy
| | - Е. A. Vorotelyak
- Cell Biology Laboratory, Koltzov Institute of Developmental Biology, Moscow, Russia
| | - А. V. Vasiliev
- Cell Biology Laboratory, Koltzov Institute of Developmental Biology, Moscow, Russia
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Li J, Bode K, Lee YC, Morrow N, Ma A, Wei S, da Silva Pereira J, Stewart T, Lee-Papastavros A, Hollister-Lock J, Sullivan B, Bonner-Weir S, Yi P. Loss-of-function of ALDH3B2 transdifferentiates human pancreatic duct cells into beta-like cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.13.593941. [PMID: 38798376 PMCID: PMC11118503 DOI: 10.1101/2024.05.13.593941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Replenishment of pancreatic beta cells is a key to the cure for diabetes. Beta cells regeneration is achieved predominantly by self-replication especially in rodents, but it was also shown that pancreatic duct cells can transdifferentiate into beta cells. How pancreatic duct cells undergo transdifferentiated and whether we could manipulate the transdifferentiation to replenish beta cell mass is not well understood. Using a genome-wide CRISPR screen, we discovered that loss-of-function of ALDH3B2 is sufficient to transdifferentiate human pancreatic duct cells into functional beta-like cells. The transdifferentiated cells have significant increase in beta cell marker genes expression, secrete insulin in response to glucose, and reduce blood glucose when transplanted into diabetic mice. Our study identifies a novel gene that could potentially be targeted in human pancreatic duct cells to replenish beta cell mass for diabetes therapy.
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Zheng C, Wang J, Wang J, Zhang Q, Liang T. Cell of Origin of Pancreatic cancer: Novel Findings and Current Understanding. Pancreas 2024; 53:e288-e297. [PMID: 38277420 DOI: 10.1097/mpa.0000000000002301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2024]
Abstract
ABSTRACT Pancreatic ductal adenocarcinoma (PDAC) stands as one of the most lethal diseases globally, boasting a grim 5-year survival prognosis. The origin cell and the molecular signaling pathways that drive PDAC progression are not entirely understood. This review comprehensively outlines the categorization of PDAC and its precursor lesions, expounds on the creation and utility of genetically engineered mouse models used in PDAC research, compiles a roster of commonly used markers for pancreatic progenitors, duct cells, and acinar cells, and briefly addresses the mechanisms involved in the progression of PDAC. We acknowledge the value of precise markers and suitable tracing tools to discern the cell of origin, as it can facilitate the creation of more effective models for PDAC exploration. These conclusions shed light on our existing understanding of foundational genetically engineered mouse models and focus on the origin and development of PDAC.
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Wang Y, Liu Z, Li S, Su X, Lai KP, Li R. Biochemical pancreatic β-cell lineage reprogramming: Various cell fate shifts. Curr Res Transl Med 2024; 72:103412. [PMID: 38246021 DOI: 10.1016/j.retram.2023.103412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 07/12/2023] [Accepted: 09/19/2023] [Indexed: 01/23/2024]
Abstract
The incidence of pancreatic diseases has been continuously rising in recent years. Thus, research on pancreatic regeneration is becoming more popular. Chronic hyperglycemia is detrimental to pancreatic β-cells, leading to impairment of insulin secretion which is the main hallmark of pancreatic diseases. Obtaining plenty of functional pancreatic β-cells is the most crucial aspect when studying pancreatic biology and treating diabetes. According to the International Diabetes Federation, diabetes has become a global epidemic, with about 3 million people suffering from diabetes worldwide. Hyperglycemia can lead to many dangerous diseases, including amputation, blindness, neuropathy, stroke, and cardiovascular and kidney diseases. Insulin is widely used in the treatment of diabetes; however, innovative approaches are needed in the academic and preclinical stages. A new approach aims at synthesizing patient-specific functional pancreatic β-cells. The present article focuses on how cells from different tissues can be transformed into pancreatic β-cells.
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Affiliation(s)
- Yuqin Wang
- Key Laboratory of Environmental Pollution and Integrative Omics, Education Department of Guangxi Zhuang Autonomous Region, Guilin Medical University, 1 Zhiyuan Road, Lingui District, Guilin 541199, China
| | - Zhuoqing Liu
- School of Pharmacy, Guilin Medical University, Guilin, China
| | - Shengren Li
- Lingui Clinical College of Guilin Medical University, Guilin, China
| | - Xuejuan Su
- Lingui Clinical College of Guilin Medical University, Guilin, China
| | - Keng Po Lai
- Key Laboratory of Environmental Pollution and Integrative Omics, Education Department of Guangxi Zhuang Autonomous Region, Guilin Medical University, 1 Zhiyuan Road, Lingui District, Guilin 541199, China
| | - Rong Li
- Key Laboratory of Environmental Pollution and Integrative Omics, Education Department of Guangxi Zhuang Autonomous Region, Guilin Medical University, 1 Zhiyuan Road, Lingui District, Guilin 541199, China.
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Al-Hasani K, Marikar SN, Kaipananickal H, Maxwell S, Okabe J, Khurana I, Karagiannis T, Liang JJ, Mariana L, Loudovaris T, Kay T, El-Osta A. EZH2 inhibitors promote β-like cell regeneration in young and adult type 1 diabetes donors. Signal Transduct Target Ther 2024; 9:2. [PMID: 38161208 PMCID: PMC10757994 DOI: 10.1038/s41392-023-01707-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 10/16/2023] [Accepted: 11/15/2023] [Indexed: 01/03/2024] Open
Abstract
β-cells are a type of endocrine cell found in pancreatic islets that synthesize, store and release insulin. In type 1 diabetes (T1D), T-cells of the immune system selectively destroy the insulin-producing β-cells. Destruction of these cells leads to a lifelong dependence on exogenous insulin administration for survival. Consequently, there is an urgent need to identify novel therapies that stimulate β-cell growth and induce β-cell function. We and others have shown that pancreatic ductal progenitor cells are a promising source for regenerating β-cells for T1D owing to their inherent differentiation capacity. Default transcriptional suppression is refractory to exocrine reaction and tightly controls the regenerative potential by the EZH2 methyltransferase. In the present study, we show that transient stimulation of exocrine cells, derived from juvenile and adult T1D donors to the FDA-approved EZH2 inhibitors GSK126 and Tazemetostat (Taz) influence a phenotypic shift towards a β-like cell identity. The transition from repressed to permissive chromatin states are dependent on bivalent H3K27me3 and H3K4me3 chromatin modification. Targeting EZH2 is fundamental to β-cell regenerative potential. Reprogrammed pancreatic ductal cells exhibit insulin production and secretion in response to a physiological glucose challenge ex vivo. These pre-clinical studies underscore the potential of small molecule inhibitors as novel modulators of ductal progenitor differentiation and a promising new approach for the restoration of β-like cell function.
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Affiliation(s)
- Keith Al-Hasani
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, 3004, VIC, Australia
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
| | - Safiya Naina Marikar
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, 3004, VIC, Australia
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
| | - Harikrishnan Kaipananickal
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, 3004, VIC, Australia
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
| | - Scott Maxwell
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, 3004, VIC, Australia
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
| | - Jun Okabe
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, 3004, VIC, Australia
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
| | - Ishant Khurana
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, 3004, VIC, Australia
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
| | - Thomas Karagiannis
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, 3004, VIC, Australia
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia
| | - Julia J Liang
- School of Science, STEM College, RMIT University, Melbourne, 3001, VIC, Australia
| | - Lina Mariana
- Immunology and Diabetes Unit, St Vincent's Institute of Medical Research, Fitzroy, 3065, VIC, Australia
| | - Thomas Loudovaris
- Immunology and Diabetes Unit, St Vincent's Institute of Medical Research, Fitzroy, 3065, VIC, Australia
| | - Thomas Kay
- Immunology and Diabetes Unit, St Vincent's Institute of Medical Research, Fitzroy, 3065, VIC, Australia
| | - Assam El-Osta
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, Melbourne, 3004, VIC, Australia.
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia.
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, 3004, VIC, Australia.
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Sha Tin, Hong Kong SAR.
- Hong Kong Institute of Diabetes and Obesity, Prince of Wales Hospital, The Chinese University of Hong Kong, 3/F Lui Che Woo Clinical Sciences Building, 30-32- Ngan Shing Street, Sha Tin, Hong Kong SAR.
- Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Sha Tin, Hong Kong SAR.
- Biomedical Laboratory Science, Department of Technology, Faculty of Health, University College Copenhagen, Copenhagen, Denmark.
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Wang S, Dong X, Maazi M, Chen N, Mahil A, Kopp JL. GABA treatment does not induce neogenesis of new endocrine cells from pancreatic ductal cells. Islets 2023; 15:2219477. [PMID: 37258189 DOI: 10.1080/19382014.2023.2219477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 05/25/2023] [Accepted: 05/25/2023] [Indexed: 06/02/2023] Open
Abstract
Previous studies indicated that ductal cells can contribute to endocrine neogenesis in adult rodents after alpha cells convert into beta cells. This can occur through Pax4 mis-expression in alpha cells or through long-term administration of gamma-aminobutyric acid (GABA) to healthy mice. GABA has also been reported to increase the number of beta cells through direct effects on their proliferation, but only in specific genetic mouse backgrounds. To test whether GABA induces neogenesis of beta cells from ductal cells or affects pancreatic cell proliferation, we administered GABA or saline over 2 or 6 months to Sox9CreER;R26RYFP mice in which 60-80% of large or small ducts were efficiently lineage labeled. We did not observe any increases in islet neogenesis from ductal cells between 1 and 2 months of age in saline treated mice, nor between 2 and 6 months of saline treatment, supporting previous studies indicating that adult ductal cells do not give rise to new endocrine cells during homeostasis. Unlike previous reports, we did not observe an increase in beta cell neogenesis after 2 or 6 months of GABA administration. Nor did we observe a significant increase in the pancreatic islet area, the number of insulin and glucagon double positive cells, or cell proliferation in the pancreas. This indicates that the effect of long term GABA administration on the pancreas is minimal or highly context dependent.
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Affiliation(s)
- Shihao Wang
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
| | - Xin Dong
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
| | - Mahan Maazi
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
| | - Nan Chen
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
| | - Amar Mahil
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
| | - Janel L Kopp
- Department of Cellular and Physiological Sciences, Life Sciences Institute, University of British Columbia, Vancouver, BC, Canada
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Mi J, Liu KC, Andersson O. Decoding pancreatic endocrine cell differentiation and β cell regeneration in zebrafish. SCIENCE ADVANCES 2023; 9:eadf5142. [PMID: 37595046 PMCID: PMC10438462 DOI: 10.1126/sciadv.adf5142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 07/20/2023] [Indexed: 08/20/2023]
Abstract
In contrast to mice, zebrafish have an exceptional yet elusive ability to replenish lost β cells in adulthood. Understanding this framework would provide mechanistic insights for β cell regeneration, which may be extrapolated to humans. Here, we characterize a krt4-expressing ductal cell type, which is distinct from the putative Notch-responsive cells, showing neogenic competence and giving rise to the majority of endocrine cells during postembryonic development. Furthermore, we demonstrate a marked ductal remodeling process featuring a Notch-responsive to krt4+ luminal duct transformation during late development, indicating several origins of krt4+ ductal cells displaying similar transcriptional patterns. Single-cell transcriptomics upon a series of time points during β cell regeneration unveil a previously unrecognized dlb+ transitional endocrine precursor cell, distinct regulons, and a differentiation trajectory involving cellular shuffling through differentiation and dedifferentiation dynamics. These results establish a model of zebrafish pancreatic endocrinogenesis and highlight key values of zebrafish for translational studies of β cell regeneration.
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Affiliation(s)
| | - Ka-Cheuk Liu
- Department of Cell and Molecular Biology, Karolinska Institutet, 17177 Stockholm, Sweden
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Kucharczyk P, Albano G, Deisl C, Ho TM, Bargagli M, Anderegg M, Wueest S, Konrad D, Fuster DG. Thiazides Attenuate Insulin Secretion Through Inhibition of Mitochondrial Carbonic Anhydrase 5b in β -Islet Cells in Mice. J Am Soc Nephrol 2023; 34:1179-1190. [PMID: 36927842 PMCID: PMC10356162 DOI: 10.1681/asn.0000000000000122] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 02/26/2023] [Indexed: 03/18/2023] Open
Abstract
SIGNIFICANCE STATEMENT Thiazide diuretics (thiazides) are among the most widely prescribed drugs worldwide, but their use is associated with glucose intolerance and new-onset diabetes mellitus. The molecular mechanisms remain elusive. Our study reveals that thiazides attenuate insulin secretion through inhibition of the mitochondrial carbonic anhydrase isoform 5b (CA5b) in pancreatic β cells. We furthermore discovered that pancreatic β cells express only one functional carbonic anhydrase isoform, CA5b, which is critical in replenishing oxaloacetate in the mitochondrial tricarboxylic acid (TCA) cycle (anaplerosis). These findings explain the mechanism for thiazide-induced glucose intolerance and reveal a fundamental role of CA5b in TCA cycle anaplerosis and insulin secretion in β cells. BACKGROUND Thiazide diuretics are associated with glucose intolerance and new-onset diabetes mellitus. Previous studies demonstrated that thiazides attenuate insulin secretion, but the molecular mechanisms remain elusive. We hypothesized that thiazides attenuate insulin secretion via one of the known molecular thiazide targets in β cells. METHODS We performed static insulin secretion experiments with islets of wild-type, Sodium/chloride co-transporter (NCC) (SLC12A3), and sodium-driven chloride/bicarbonate exchanger (NDCBE) (SLC4A8) knock-out (KO) mice and with murine Min6 cells with individual knockdown of carbonic anhydrase (CA) isoforms to identify the molecular target of thiazides in β cells. CA isoform 5b (CA5b) KO mice were then used to assess the role of the putative thiazide target CA5b in β -cell function and in mediating thiazide sensitivity in vitro and in vivo . RESULTS Thiazides inhibited glucose- and sulfonylurea-stimulated insulin secretion in islets and Min6 cells at pharmacologically relevant concentrations. Inhibition of insulin secretion by thiazides was CO 2 /HCO 3- -dependent, not additive to unselective CA inhibition with acetazolamide, and independent of extracellular potassium. By contrast, insulin secretion was unaltered in islets of mice lacking the known molecular thiazide targets NCC or NDCBE. CA expression profiling with subsequent knockdown of individual CA isoforms suggested mitochondrial CA5b as a molecular target. In support of these findings, thiazides significantly attenuated Krebs cycle anaplerosis through reduction of mitochondrial oxaloacetate synthesis. CA5b KO mice were resistant to thiazide-induced glucose intolerance, and thiazides did not alter insulin secretion in CA5b KO islets. CONCLUSIONS Thiazides attenuate insulin secretion via inhibition of the mitochondrial CA5b isoform in β cells of mice.
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Affiliation(s)
- Patrycja Kucharczyk
- Department of Nephrology and Hypertension, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- National Centre of Competence in Research (NCCR) TransCure, University of Bern, Bern, Switzerland
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Giuseppe Albano
- Department of Nephrology and Hypertension, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- National Centre of Competence in Research (NCCR) TransCure, University of Bern, Bern, Switzerland
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Christine Deisl
- Department of Nephrology and Hypertension, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- National Centre of Competence in Research (NCCR) TransCure, University of Bern, Bern, Switzerland
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Tin Manh Ho
- Department of Nephrology and Hypertension, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- National Centre of Competence in Research (NCCR) TransCure, University of Bern, Bern, Switzerland
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Matteo Bargagli
- Department of Nephrology and Hypertension, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- National Centre of Competence in Research (NCCR) TransCure, University of Bern, Bern, Switzerland
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Manuel Anderegg
- Department of Nephrology and Hypertension, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- National Centre of Competence in Research (NCCR) TransCure, University of Bern, Bern, Switzerland
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Stephan Wueest
- Division of Pediatric Endocrinology and Diabetology, University Children's Hospital, University of Zürich, Zürich, Switzerland
- Children's Research Center, University Children's Hospital, University of Zürich, Zürich, Switzerland
| | - Daniel Konrad
- Division of Pediatric Endocrinology and Diabetology, University Children's Hospital, University of Zürich, Zürich, Switzerland
- Children's Research Center, University Children's Hospital, University of Zürich, Zürich, Switzerland
| | - Daniel G. Fuster
- Department of Nephrology and Hypertension, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- National Centre of Competence in Research (NCCR) TransCure, University of Bern, Bern, Switzerland
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
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Naina Marikar S, Al-Hasani K, Khurana I, Kaipananickal H, Okabe J, Maxwell S, El-Osta A. Pharmacological inhibition of human EZH2 can influence a regenerative β-like cell capacity with in vitro insulin release in pancreatic ductal cells. Clin Epigenetics 2023; 15:101. [PMID: 37309004 DOI: 10.1186/s13148-023-01491-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 04/24/2023] [Indexed: 06/14/2023] Open
Abstract
BACKGROUND Therapeutic replacement of pancreatic endocrine β-cells is key to improving hyperglycaemia caused by insulin-dependent diabetes . Whilst the pool of ductal progenitors, which give rise to the endocrine cells, are active during development, neogenesis of islets is repressed in the human adult. Recent human donor studies have demonstrated the role of EZH2 inhibition in surgically isolated exocrine cells showing reactivation of insulin expression and the influence on the H3K27me3 barrier to β-cell regeneration. However, those studies fall short on defining the cell type active in transcriptional reactivation events. This study examines the role of the regenerative capacity of human pancreatic ductal cells when stimulated with pharmacological inhibitors of the EZH2 methyltransferase. RESULTS Human pancreatic ductal epithelial cells were stimulated with the EZH2 inhibitors GSK-126, EPZ6438, and triptolide using a 2- and 7-day protocol to determine their influence on the expression of core endocrine development marker NGN3, as well as β-cell markers insulin, MAFA, and PDX1. Chromatin immunoprecipitation studies show a close correspondence of pharmacological EZH2 inhibition with reduced H3K27me3 content of the core genes, NGN3, MAFA and PDX1. Consistent with the reduction of H3K27me3 by pharmacological inhibition of EZH2, we observe measurable immunofluorescence staining of insulin protein and glucose-sensitive insulin response. CONCLUSION The results of this study serve as a proof of concept for a probable source of β-cell induction from pancreatic ductal cells that are capable of influencing insulin expression. Whilst pharmacological inhibition of EZH2 can stimulate secretion of detectable insulin from ductal progenitor cells, further studies are required to address mechanism and the identity of ductal progenitor cell targets to improve likely methods designed to reduce the burden of insulin-dependent diabetes.
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Affiliation(s)
- Safiya Naina Marikar
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, VIC, 3004, Melbourne, Australia
- Department of Diabetes, Central Clinical School, Monash University, VIC, 3004, Melbourne, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Keith Al-Hasani
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, VIC, 3004, Melbourne, Australia
- Department of Diabetes, Central Clinical School, Monash University, VIC, 3004, Melbourne, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Ishant Khurana
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, VIC, 3004, Melbourne, Australia
- Department of Diabetes, Central Clinical School, Monash University, VIC, 3004, Melbourne, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Harikrishnan Kaipananickal
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, VIC, 3004, Melbourne, Australia
- Department of Diabetes, Central Clinical School, Monash University, VIC, 3004, Melbourne, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Jun Okabe
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, VIC, 3004, Melbourne, Australia
- Department of Diabetes, Central Clinical School, Monash University, VIC, 3004, Melbourne, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Scott Maxwell
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, VIC, 3004, Melbourne, Australia
- Department of Diabetes, Central Clinical School, Monash University, VIC, 3004, Melbourne, Australia
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia
| | - Assam El-Osta
- Epigenetics in Human Health and Disease Program, Baker Heart and Diabetes Institute, 75 Commercial Road, VIC, 3004, Melbourne, Australia.
- Department of Diabetes, Central Clinical School, Monash University, VIC, 3004, Melbourne, Australia.
- Epigenetics in Human Health and Disease Laboratory, Central Clinical School, Monash University, Melbourne, VIC, 3004, Australia.
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Sha Tin, Hong Kong SAR.
- Hong Kong Institute of Diabetes and Obesity, Prince of Wales Hospital, The Chinese University of Hong Kong, 3/F Lui Che Woo Clinical Sciences Building, 30‑32 Ngan Shing Street, Sha Tin, Hong Kong SAR.
- Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Sha Tin, Hong Kong SAR.
- Biomedical Laboratory Science, Department of Technology, Faculty of Health, University College Copenhagen, Copenhagen, Denmark.
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11
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Delcroix V, Mauduit O, Lee HS, Ivanova A, Umazume T, Knox SM, de Paiva CS, Dartt DA, Makarenkova HP. The First Transcriptomic Atlas of the Adult Lacrimal Gland Reveals Epithelial Complexity and Identifies Novel Progenitor Cells in Mice. Cells 2023; 12:1435. [PMID: 37408269 PMCID: PMC10216974 DOI: 10.3390/cells12101435] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 05/13/2023] [Accepted: 05/16/2023] [Indexed: 07/07/2023] Open
Abstract
The lacrimal gland (LG) secretes aqueous tears. Previous studies have provided insights into the cell lineage relationships during tissue morphogenesis. However, little is known about the cell types composing the adult LG and their progenitors. Using scRNAseq, we established the first comprehensive cell atlas of the adult mouse LG to investigate the cell hierarchy, its secretory repertoire, and the sex differences. Our analysis uncovered the complexity of the stromal landscape. Epithelium subclustering revealed myoepithelial cells, acinar subsets, and two novel acinar subpopulations: Tfrchi and Car6hi cells. The ductal compartment contained Wfdc2+ multilayered ducts and an Ltf+ cluster formed by luminal and intercalated duct cells. Kit+ progenitors were identified as: Krt14+ basal ductal cells, Aldh1a1+ cells of Ltf+ ducts, and Sox10+ cells of the Car6hi acinar and Ltf+ epithelial clusters. Lineage tracing experiments revealed that the Sox10+ adult populations contribute to the myoepithelial, acinar, and ductal lineages. Using scRNAseq data, we found that the postnatally developing LG epithelium harbored key features of putative adult progenitors. Finally, we showed that acinar cells produce most of the sex-biased lipocalins and secretoglobins detected in mouse tears. Our study provides a wealth of new data on LG maintenance and identifies the cellular origin of sex-biased tear components.
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Affiliation(s)
- Vanessa Delcroix
- Department of Molecular and Experimental Medicine, Scripps Research Institute, La Jolla, CA 92037, USA; (V.D.); (H.S.L.); (A.I.); (T.U.)
| | - Olivier Mauduit
- Department of Molecular and Experimental Medicine, Scripps Research Institute, La Jolla, CA 92037, USA; (V.D.); (H.S.L.); (A.I.); (T.U.)
| | - Hyun Soo Lee
- Department of Molecular and Experimental Medicine, Scripps Research Institute, La Jolla, CA 92037, USA; (V.D.); (H.S.L.); (A.I.); (T.U.)
- Department of Ophthalmology, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Anastasiia Ivanova
- Department of Molecular and Experimental Medicine, Scripps Research Institute, La Jolla, CA 92037, USA; (V.D.); (H.S.L.); (A.I.); (T.U.)
| | - Takeshi Umazume
- Department of Molecular and Experimental Medicine, Scripps Research Institute, La Jolla, CA 92037, USA; (V.D.); (H.S.L.); (A.I.); (T.U.)
| | - Sarah M. Knox
- Department of Cell and Tissue Biology, University of California San Francisco, San Francisco, CA 94143, USA;
- Program in Craniofacial Biology, University of California San Francisco, San Francisco, CA 94143, USA
| | - Cintia S. de Paiva
- The Ocular Surface Center, Department of Ophthalmology, Cullen Eye Institute, Baylor College of Medicine, Houston, TX 77030, USA;
| | - Darlene A. Dartt
- Schepens Eye Research Institute of Massachusetts Eye and Ear, Harvard Medical School, Boston, MA 02114, USA;
| | - Helen P. Makarenkova
- Department of Molecular and Experimental Medicine, Scripps Research Institute, La Jolla, CA 92037, USA; (V.D.); (H.S.L.); (A.I.); (T.U.)
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12
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Li H, Weng W, Zhou B. Perfect duet: Dual recombinases improve genetic resolution. Cell Prolif 2023; 56:e13446. [PMID: 37060165 PMCID: PMC10212704 DOI: 10.1111/cpr.13446] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 02/25/2023] [Accepted: 03/01/2023] [Indexed: 04/16/2023] Open
Abstract
As a powerful genetic tool, site-specific recombinases (SSRs) have been widely used in genomic manipulation to elucidate cell fate plasticity in vivo, advancing research in stem cell and regeneration medicine. However, the low resolution of conventional single-recombinase-mediated lineage tracing strategies, which rely heavily on the specificity of one marker gene, has led to controversial conclusions in many scientific questions. Therefore, different SSRs systems are combined to improve the accuracy of lineage tracing. Here we review the recent advances in dual-recombinase-mediated genetic approaches, including the development of novel genetic recombination technologies and their applications in cell differentiation, proliferation, and genetic manipulation. In comparison with the single-recombinase system, we also discuss the advantages of dual-genetic strategies in solving scientific issues as well as their technical limitations.
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Affiliation(s)
- Hongxin Li
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Wendong Weng
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
| | - Bin Zhou
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghaiChina
- Key Laboratory of Systems Health Science of Zhejiang ProvinceSchool of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of SciencesHangzhouChina
- School of Life Science and TechnologyShanghaiTech UniversityShanghaiChina
- New Cornerstone Science LaboratoryShenzhenChina
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13
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Zhang N, Li J, Wang L, Wei Y, Emu Q, Xu F, Zhang L. Transcriptome analysis reveals the regulatory effects of Bacillus amyloliquefaciens and Bacillus pumilus on immune and digestive related genes in the spleen of weanling black goats. Funct Integr Genomics 2023; 23:124. [PMID: 37055595 DOI: 10.1007/s10142-023-01025-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 04/15/2023]
Abstract
The aim of the present study was to evaluate the effects of Bacillus amyloliquefaciens fsznc-06 and Bacillus pumilus fsznc-09 on the expressions of spleen genes in weanling Jintang black goats. Bacillus amyloliquefaciens fsznc-06 (BA-treated group) and Bacillus pumilus fsznc-09 (BP-treated group) were directly fed to goats, and the spleens were harvested for transcriptome analysis. The KEGG pathway analysis showed that the differentially expressed genes (DEGs) in BA-treated vs CON group were mainly involved in digestive system and immune system, while those in BP-treated vs CON group were mainly involved in immune system, and those in BA-treated vs BP-treated group were mainly involved in digestive system. In conclusion, Bacillus amyloliquefaciens fsznc-06 might promote the expressions of genes related to immune system and digestive system, reduce the expressions of disease genes related to digestive system and might promote mutual accommodation of some immune genes in weanling black goat. Bacillus pumilus fsznc-09 might promote the expressions of genes related to immune system and mutual accommodation of some immune genes in weanling black goat. Bacillus amyloliquefaciens fsznc-06 has advantages over Bacillus pumilus fsznc-09 in promoting the expressions of genes related to digestive system and mutual accommodation of some immune genes.
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Affiliation(s)
- Nanchi Zhang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Ministry of Education, Chengdu, 610041, China
- Key Laboratory of Animal Science of National Ethnic Affairs Commission of China, Southwest Minzu University, No.16, South Fourth Section, First Ring Road, Chengdu, 610041, China
| | - Juan Li
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Ministry of Education, Chengdu, 610041, China
- Key Laboratory of Animal Science of National Ethnic Affairs Commission of China, Southwest Minzu University, No.16, South Fourth Section, First Ring Road, Chengdu, 610041, China
| | - Li Wang
- Key Laboratory of Qinghai-Tibetan Plateau Animal Genetic Resource Reservation and Utilization of Ministry of Education, Chengdu, 610041, China.
- Key Laboratory of Animal Science of National Ethnic Affairs Commission of China, Southwest Minzu University, No.16, South Fourth Section, First Ring Road, Chengdu, 610041, China.
| | - Yong Wei
- Animal Genetics and Breeding Key Laboratory of Sichuan Province, Sichuan Animal Sciences Academy, No.7, Niusha Road, Chengdu, 610066, China.
| | - Quzhe Emu
- Animal Genetics and Breeding Key Laboratory of Sichuan Province, Sichuan Animal Sciences Academy, No.7, Niusha Road, Chengdu, 610066, China
| | - Feng Xu
- Animal Genetics and Breeding Key Laboratory of Sichuan Province, Sichuan Animal Sciences Academy, No.7, Niusha Road, Chengdu, 610066, China
| | - Lin Zhang
- Animal Genetics and Breeding Key Laboratory of Sichuan Province, Sichuan Animal Sciences Academy, No.7, Niusha Road, Chengdu, 610066, China
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14
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Magenheim J, Maestro MA, Sharon N, Herrera PL, Murtaugh LC, Kopp J, Sander M, Gu G, Melton DA, Ferrer J, Dor Y. Matters arising: Insufficient evidence that pancreatic β cells are derived from adult ductal Neurog3-expressing progenitors. Cell Stem Cell 2023; 30:488-497.e3. [PMID: 37028408 DOI: 10.1016/j.stem.2023.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 05/29/2022] [Accepted: 03/01/2023] [Indexed: 04/08/2023]
Abstract
Understanding the origin of pancreatic β cells has profound implications for regenerative therapies in diabetes. For over a century, it was widely held that adult pancreatic duct cells act as endocrine progenitors, but lineage-tracing experiments challenged this dogma. Gribben et al. recently used two existing lineage-tracing models and single-cell RNA sequencing to conclude that adult pancreatic ducts contain endocrine progenitors that differentiate to insulin-expressing β cells at a physiologically important rate. We now offer an alternative interpretation of these experiments. Our data indicate that the two Cre lines that were used directly label adult islet somatostatin-producing ∂ cells, which precludes their use to assess whether β cells originate from duct cells. Furthermore, many labeled ∂ cells, which have an elongated neuron-like shape, were likely misclassified as β cells because insulin-somatostatin coimmunolocalizations were not used. We conclude that most evidence so far indicates that endocrine and exocrine lineage borders are rarely crossed in the adult pancreas.
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15
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Liu Y, Liu Z, Hu L, He L, Yang L, Qin Z, Xie Y, Peng X, Dai L. Function of stem cells in radiation-induced damage. Int J Radiat Biol 2023; 99:1483-1494. [PMID: 36912588 DOI: 10.1080/09553002.2023.2188935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 02/27/2023] [Indexed: 03/14/2023]
Abstract
PURPOSE The aim of this review is to discuss previous studies on the function of stem cells in radiation-induced damage, and the factors affecting these processes, in the hope of improving our understanding of the different stem cells and the communication networks surrounding them. This is essential for the development of effective stem cell-based therapies to regenerate or replace normal tissues damaged by radiation. CONCLUSION In salivary glands, senescence-associated cytokines and inflammation-associated cells have a greater effect on stem cells. In the intestinal glands, Paneth cells strongly affect stem cell-mediated tissue regeneration after radiation treatment. In the pancreas, β-cells as well as protein C receptor positive (Procr) cells are expected to be key cells in the treatment of diabetes. In the bone marrow, a variety of cytokines such as CXC-chemokine ligand 12 (CXCL12) and stem cell factor (SCF), contribute to the functional recovery of hematopoietic stem cells after irradiation.
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Affiliation(s)
- Yingtong Liu
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, and Cancer Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Zheran Liu
- Department of Biotherapy, Cancer Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Liqiang Hu
- West China-California Research Center for Predictive Intervention Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Ling He
- Department of Biotherapy, Cancer Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Lianlian Yang
- Department of Biotherapy, Cancer Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Zijian Qin
- Department of Biotherapy, Cancer Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Yuping Xie
- Department of Oncology, Chengdu First People's Hospital, Chengdu, Sichuan, China
| | - Xingchen Peng
- Department of Biotherapy, Cancer Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - Lei Dai
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, Sichuan, China
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16
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Quijano JC, Wedeken L, Ortiz JA, Zook HN, LeBon JM, Luo A, Rawson J, Tremblay JR, Mares JM, Lopez K, Chen MH, Jou K, Mendez-Dorantes C, Al-Abdullah IH, Thurmond DC, Kandeel F, Riggs AD, Ku HT. Methylcellulose colony assay and single-cell micro-manipulation reveal progenitor-like cells in adult human pancreatic ducts. Stem Cell Reports 2023; 18:618-635. [PMID: 36868230 PMCID: PMC10031308 DOI: 10.1016/j.stemcr.2023.02.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 03/05/2023] Open
Abstract
Progenitor cells capable of self-renewal and differentiation in the adult human pancreas are an under-explored resource for regenerative medicine. Using micro-manipulation and three-dimensional colony assays we identify cells within the adult human exocrine pancreas that resemble progenitor cells. Exocrine tissues were dissociated into single cells and plated into a colony assay containing methylcellulose and 5% Matrigel. A subpopulation of ductal cells formed colonies containing differentiated ductal, acinar, and endocrine lineage cells, and expanded up to 300-fold with a ROCK inhibitor. When transplanted into diabetic mice, colonies pre-treated with a NOTCH inhibitor gave rise to insulin-expressing cells. Both colonies and primary human ducts contained cells that simultaneously express progenitor transcription factors SOX9, NKX6.1, and PDX1. In addition, in silico analysis identified progenitor-like cells within ductal clusters in a single-cell RNA sequencing dataset. Therefore, progenitor-like cells capable of self-renewal and tri-lineage differentiation either pre-exist in the adult human exocrine pancreas, or readily adapt in culture.
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Affiliation(s)
- Janine C Quijano
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA.
| | - Lena Wedeken
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA
| | - Jose A Ortiz
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA; Irell and Manella Graduate School of Biological Sciences, City of Hope, Duarte, CA 91010, USA
| | - Heather N Zook
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA; Irell and Manella Graduate School of Biological Sciences, City of Hope, Duarte, CA 91010, USA
| | - Jeanne M LeBon
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA
| | - Angela Luo
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA
| | - Jeffrey Rawson
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA
| | - Jacob R Tremblay
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA
| | - Jacob M Mares
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA
| | - Kassandra Lopez
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA
| | - Min-Hsuan Chen
- Integrative Genomics Core, City of Hope, Duarte, CA 91010, USA
| | - Kevin Jou
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA
| | - Carlos Mendez-Dorantes
- Irell and Manella Graduate School of Biological Sciences, City of Hope, Duarte, CA 91010, USA
| | - Ismail H Al-Abdullah
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA
| | - Debbie C Thurmond
- Department of Molecular & Cellular Endocrinology, City of Hope, Duarte, CA 91010, USA
| | - Fouad Kandeel
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA; Department of Clinical Diabetes, Endocrinology & Metabolism, City of Hope, Duarte, CA 91010, USA
| | - Arthur D Riggs
- Department of Diabetes & Drug Discovery, City of Hope, Duarte, CA 91010, USA
| | - Hsun Teresa Ku
- Department of Translational Research & Cellular Therapeutics, City of Hope, 1500 E. Duarte Road, Duarte, CA 91010, USA; Irell and Manella Graduate School of Biological Sciences, City of Hope, Duarte, CA 91010, USA
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17
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Use of a dual genetic system to decipher exocrine cell fate conversions in the adult pancreas. Cell Discov 2023; 9:1. [PMID: 36596774 PMCID: PMC9810707 DOI: 10.1038/s41421-022-00485-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 10/19/2022] [Indexed: 01/04/2023] Open
Abstract
Unraveling cell fate plasticity during tissue homeostasis and repair can reveal actionable insights for stem cell biology and regenerative medicine. In the pancreas, it remains controversial whether lineage transdifferentiation among the exocrine cells occur under pathophysiological conditions. Here, to address this question, we used a dual recombinase-mediated genetic system that enables simultaneous tracing of pancreatic acinar and ductal cells using two distinct genetic reporters, avoiding the "ectopic" labeling by Cre-loxP recombination system. We found that acinar-to-ductal transdifferentiation occurs after pancreatic duct ligation or during caerulein-induced pancreatitis, but not during homeostasis or after partial pancreatectomy. On the other hand, pancreatic ductal cells contribute to new acinar cells after significant acinar cell loss. By genetic tracing of cell proliferation, we also quantify the cell proliferation dynamics and deduce the turnover rate of pancreatic exocrine lineages during homeostasis. Together, these results suggest that the lineage transdifferentiation happens between acinar cells and ductal cells in the pancreatic exocrine glands under specific conditions.
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18
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Narayan G, Ronima K R, Thummer RP. Direct Reprogramming of Somatic Cells into Induced β-Cells: An Overview. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1410:171-189. [PMID: 36515866 DOI: 10.1007/5584_2022_756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The persistent shortage of insulin-producing islet mass or β-cells for transplantation in the ever-growing diabetic population worldwide is a matter of concern. To date, permanent cure to this medical complication is not available and soon after the establishment of lineage-specific reprogramming, direct β-cell reprogramming became a viable alternative for β-cell regeneration. Direct reprogramming is a straightforward and powerful technique that can provide an unlimited supply of cells by transdifferentiating terminally differentiated cells toward the desired cell type. This approach has been extensively used by multiple groups to reprogram non-β-cells toward insulin-producing β-cells. The β-cell identity has been achieved by various studies via ectopic expression of one or more pancreatic-specific transcription factors in somatic cells, bypassing the pluripotent state. This work highlights the importance of the direct reprogramming approaches (both integrative and non-integrative) in generating autologous β-cells for various applications. An in-depth understanding of the strategies and cell sources could prove beneficial for the efficient generation of integration-free functional insulin-producing β-cells for diabetic patients lacking endogenous β-cells.
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Affiliation(s)
- Gloria Narayan
- Laboratory for Stem Cell Engineering and Regenerative Medicine, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Ronima K R
- Laboratory for Stem Cell Engineering and Regenerative Medicine, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Rajkumar P Thummer
- Laboratory for Stem Cell Engineering and Regenerative Medicine, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India.
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19
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Reprogramming—Evolving Path to Functional Surrogate β-Cells. Cells 2022; 11:cells11182813. [PMID: 36139388 PMCID: PMC9496933 DOI: 10.3390/cells11182813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 09/04/2022] [Accepted: 09/07/2022] [Indexed: 12/04/2022] Open
Abstract
Numerous cell sources are being explored to replenish functional β-cell mass since the proof-of -concept for cell therapy of diabetes was laid down by transplantation of islets. Many of these cell sources have been shown to possess a degree of plasticity permitting differentiation along new lineages into insulin-secreting β-cells. In this review, we explore emerging reprograming pathways that aim to generate bone fide insulin producing cells. We focus on small molecules and key transcriptional regulators that orchestrate phenotypic conversion and maintenance of engineered cells.
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20
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Du S, Li Y, Geng Z, Zhang Q, Buhler LH, Gonelle-Gispert C, Wang Y. Engineering Islets From Stem Cells: The Optimal Solution for the Treatment of Diabetes? Front Immunol 2022; 13:869514. [PMID: 35572568 PMCID: PMC9092457 DOI: 10.3389/fimmu.2022.869514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 03/25/2022] [Indexed: 11/13/2022] Open
Abstract
Diabetes is a metabolic disease characterized by insulin deficiency. Bioengineering of stem cells with the aim to restore insulin production and glucose regulation has the potential to cure diabetic patients. In this review, we focus on the recent developments for bioengineering of induced pluripotent stem cells (iPSCs), mesenchymal stem cells (MSCs), embryonic stem cells (ESCs), and pancreatic progenitor cells in view of generating insulin producing and glucose regulating cells for β-cell replacement therapies. Recent clinical trials using islet cells derived from stem cells have been initiated for the transplantation into diabetic patients, with crucial bottlenecks of tumorigenesis, post-transplant survival, genetic instability, and immunogenicity that should be further optimized. As a new approach given high expectations, bioengineered islets from stem cells occupies considerable potential for the future clinical application and addressing the treatment dilemma of diabetes.
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Affiliation(s)
- Suya Du
- Department of Clinical Pharmacy, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yanjiao Li
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Zhen Geng
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Center of Organ Transplantation, Sichuan Academy of Medical Science and Sichuan Provincial People's Hospital, Chengdu, China.,Institute of Organ Transplantation, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.,Chinese Academy of Sciences, Sichuan Translational Medicine Research Hospital, Chengdu, China
| | - Qi Zhang
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Leo H Buhler
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Center of Organ Transplantation, Sichuan Academy of Medical Science and Sichuan Provincial People's Hospital, Chengdu, China.,Faculty of Science and Medicine, University of Fribourg, Fribourg, Switzerland
| | | | - Yi Wang
- Clinical Immunology Translational Medicine Key Laboratory of Sichuan Province, Center of Organ Transplantation, Sichuan Academy of Medical Science and Sichuan Provincial People's Hospital, Chengdu, China.,Institute of Organ Transplantation, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China.,Chinese Academy of Sciences, Sichuan Translational Medicine Research Hospital, Chengdu, China
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21
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Ding L, Roeck K, Zhang C, Zidek B, Rodman E, Hernandez-Barco Y, Zhang JS, Bamlet W, Oberg A, Zhang L, Bardeesy N, Li H, Billadeau D. Nuclear GSK-3β and Oncogenic KRas Lead to the Retention of Pancreatic Ductal Progenitor Cells Phenotypically Similar to Those Seen in IPMN. Front Cell Dev Biol 2022; 10:853003. [PMID: 35646902 PMCID: PMC9136019 DOI: 10.3389/fcell.2022.853003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 04/11/2022] [Indexed: 11/30/2022] Open
Abstract
Glycogen synthase kinase-3β (GSK-3β) is a downstream target of oncogenic KRas and can accumulate in the nucleus in pancreatic ductal adenocarcinoma (PDA). To determine the interplay between oncogenic KRas and nuclear GSK-3β in PDA development, we generated Lox-STOP-Lox (LSL) nuclear-targeted GSK-3β animals and crossed them with LSL-KRasG12D mice under the control of the Pdx1-cre transgene—referred to as KNGC. Interestingly, 4-week-old KNGC animals show a profound loss of acinar cells, the expansion of ductal cells, and the rapid development of cystic-like lesions reminiscent of intraductal papillary mucinous neoplasm (IPMN). RNA-sequencing identified the expression of several ductal cell lineage genes including AQP5. Significantly, the Aqp5+ ductal cell pool was proliferative, phenotypically distinct from quiescent pancreatic ductal cells, and deletion of AQP5 limited expansion of the ductal pool. Aqp5 is also highly expressed in human IPMN along with GSK-3β highlighting the putative role of Aqp5+ ductal cells in human preneoplastic lesion development. Altogether, these data identify nGSK-3β and KRasG12D as an important signaling node promoting the retention of pancreatic ductal progenitor cells, which could be used to further characterize pancreatic ductal development as well as lineage biomarkers related to IPMN and PDA.
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Affiliation(s)
- Li Ding
- Division of Oncology Research, College of Medicine, Mayo Clinic, Rochester, MN, United States
- *Correspondence: Li Ding, ; Daniel Billadeau,
| | - Kaely Roeck
- Division of Oncology Research, College of Medicine, Mayo Clinic, Rochester, MN, United States
| | - Cheng Zhang
- Department of Molecular and Experimental Therapeutics, College of Medicine, Mayo Clinic, Rochester, MN, United States
| | - Brooke Zidek
- Division of Oncology Research, College of Medicine, Mayo Clinic, Rochester, MN, United States
| | - Esther Rodman
- Division of Oncology Research, College of Medicine, Mayo Clinic, Rochester, MN, United States
| | | | - Jin-San Zhang
- Division of Oncology Research, College of Medicine, Mayo Clinic, Rochester, MN, United States
- Center for Precision Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - William Bamlet
- Department of Health Sciences Research, College of Medicine, Mayo Clinic, Rochester, MN, United States
| | - Ann Oberg
- Department of Health Sciences Research, College of Medicine, Mayo Clinic, Rochester, MN, United States
| | - Lizhi Zhang
- Department of Laboratory Medicine and Pathology, College of Medicine, Mayo Clinic, Rochester, MN, United States
| | - Nabeel Bardeesy
- Center for Cancer Research, Harvard Medical School, Boston, MA, United States
| | - Hu Li
- Department of Molecular and Experimental Therapeutics, College of Medicine, Mayo Clinic, Rochester, MN, United States
| | - Daniel Billadeau
- Division of Oncology Research, College of Medicine, Mayo Clinic, Rochester, MN, United States
- *Correspondence: Li Ding, ; Daniel Billadeau,
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22
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Li X, He J, Xie K. Molecular signaling in pancreatic ductal metaplasia: emerging biomarkers for detection and intervention of early pancreatic cancer. Cell Oncol (Dordr) 2022; 45:201-225. [PMID: 35290607 DOI: 10.1007/s13402-022-00664-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/14/2022] [Indexed: 11/27/2022] Open
Abstract
Pancreatic ductal metaplasia (PDM) is the transformation of potentially various types of cells in the pancreas into ductal or ductal-like cells, which eventually replace the existing differentiated somatic cell type(s). PDM is usually triggered by and manifests its ability to adapt to environmental stimuli and genetic insults. The development of PDM to atypical hyperplasia or dysplasia is an important risk factor for pancreatic intraepithelial neoplasia (PanIN) and pancreatic ductal adenocarcinoma (PDA). Recent studies using genetically engineered mouse models, cell lineage tracing, single-cell sequencing and others have unraveled novel cellular and molecular insights in PDM formation and evolution. Those novel findings help better understand the cellular origins and functional significance of PDM and its regulation at cellular and molecular levels. Given that PDM represents the earliest pathological changes in PDA initiation and development, translational studies are beginning to define PDM-associated cell and molecular biomarkers that can be used to screen and detect early PDA and to enable its effective intervention, thereby truly and significantly reducing the dreadful mortality rate of PDA. This review will describe recent advances in the understanding of PDM biology with a focus on its underlying cellular and molecular mechanisms, and in biomarker discovery with clinical implications for the management of pancreatic regeneration and tumorigenesis.
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Affiliation(s)
- Xiaojia Li
- Center for Pancreatic Cancer Research, The South China University of Technology School of Medicine, Guangzhou, 510006, China
- Department of Pathology, The South China University of Technology School of Medicine, Guangzhou, China
| | - Jie He
- Institute of Digestive Diseases Research, The South China University of Technology School of Medicine, Guangzhou, China
| | - Keping Xie
- Center for Pancreatic Cancer Research, The South China University of Technology School of Medicine, Guangzhou, 510006, China.
- Department of Pathology, The South China University of Technology School of Medicine, Guangzhou, China.
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23
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Heydari M, Yazdanparast R. Differentiation of PANC-1 ductal cells to β-like cells via cellular GABA modulation by Magainin and CPF-7 peptides. Biochem Biophys Res Commun 2022; 597:128-133. [PMID: 35144175 DOI: 10.1016/j.bbrc.2022.01.126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 01/30/2022] [Indexed: 11/16/2022]
Abstract
Some of the antimicrobial peptides induce insulin release and improve glucose tolerance while their effects on pancreatic cell differentiation have remained unresolved. In this report, we evaluated the effects of two of these peptides, Magainin-II and CPF-7, and also GABA, on PANC-1 ductal cells' differentiation. Based on immunofluorescence and qRT-PCR analyses the expression levels of some of the Epithelial to Mesenchymal transition (EMT)-related factors such as Snai1 and Ngn3, as two biomarkers of alpha and beta cells, were increased. Our findings also revealed a drastic increase in Arx, Pax4, Dnmt-1 and Glucagon expressions associated with dedifferentiation of PANC-1 cells into pancreatic endocrine progenitor cells. Futhermore, Magainin-II and CPF-7 exerted their roles partly via influencing the GABA cellular content. These data would undoubtedly provide a suitable ground for further investigation to guide these cells toward transplantable insulin producing beta cells.
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Affiliation(s)
- Morteza Heydari
- Institute of Biochemistry and Biophysics, P. O. Box, 13145-1384, University of Tehran, Tehran, Iran
| | - Razieh Yazdanparast
- Institute of Biochemistry and Biophysics, P. O. Box, 13145-1384, University of Tehran, Tehran, Iran.
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24
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Chen M, Tian X, Xu L, Wu R, He H, Zhu H, Xu W, Wei CJ. Membrane tethering of CreER decreases uninduced cell labeling and cytotoxicity while maintaining recombination efficiency. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 27:1078-1091. [PMID: 35228901 PMCID: PMC8851158 DOI: 10.1016/j.omtn.2022.01.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 01/28/2022] [Indexed: 02/05/2023]
Abstract
Genetic lineage tracing is indispensable to unraveling the origin, fate, and plasticity of cells. However, the intrinsic leakiness in the CreER-loxP system raises concerns on data interpretation. Here, we reported the generation of a novel dual inducible CreER-loxP system with superior labeling characteristics. This two-component system consists of membrane localized CreER (mCreER: CD8α-FRB-CS-CreER) and TEV protease (mTEVp: CD8α-FKBP-TEVp), which are fusion proteins incorporated with the chemically induced dimerization machinery. Rapamycin and tamoxifen induce sequential dimerization of FKBP and FRB, cleavage of CreER from the membrane, and translocation into the nucleus. The labeling leakiness in Ad293 cells reduced dramatically from more than 70% to less than 5%. This tight labeling feature depends largely on the association of mCreER with HSP90, which conceals the TEV protease cutting site between FRB and CreER and thus preventing uninduced cleavage of the membrane-tethering CreER. Membrane-bound CreER also diminished significantly cytotoxicity. Our studies showed mCreER under the control of the rat insulin promoter increased labeling specificity in MIN6 islet beta-cells. Viability and insulin secretion of MIN6 cells remained intact. Our results demonstrate that this novel system can provide more stringent temporal and spatial control of gene expression and will be useful in cell fate probing.
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Affiliation(s)
- Mianqiao Chen
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, Guangdong 515063, China
| | - Xiong Tian
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, Guangdong 515063, China
| | - Liqun Xu
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, Guangdong 515063, China
| | - Ruolan Wu
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, Guangdong 515063, China
| | - Haoming He
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, Guangdong 515063, China
| | - Haibao Zhu
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, Guangdong 515063, China
| | - Wencan Xu
- Department of Endocrinology, the First Affiliated Hospital of Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Chi-ju Wei
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, Guangdong 515063, China
- Multidisciplinary Research Center, Shantou University, Shantou, Guangdong 515063, China
- Corresponding author Chi-ju Wei, PhD, Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Sciences, Shantou University, Shantou, Guangdong 515063, China.
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25
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Perez-Frances M, Abate MV, Baronnier D, Scherer PE, Fujitani Y, Thorel F, Herrera PL. Adult pancreatic islet endocrine cells emerge as fetal hormone-expressing cells. Cell Rep 2022; 38:110377. [PMID: 35172145 PMCID: PMC8864465 DOI: 10.1016/j.celrep.2022.110377] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 12/07/2021] [Accepted: 01/21/2022] [Indexed: 12/13/2022] Open
Abstract
The precise developmental dynamics of the pancreatic islet endocrine cell types, and their interrelation, are unknown. Some authors claim the persistence of islet cell differentiation from precursor cells after birth (“neogenesis”). Here, using four conditional cell lineage tracing (“pulse-and-chase”) murine models, we describe the natural history of pancreatic islet cells, once they express a hormone gene, until late in life. Concerning the contribution of early-appearing embryonic hormone-expressing cells to the formation of islets, we report that adult islet cells emerge from embryonic hormone-expressing cells arising at different time points during development, without any evidence of postnatal neogenesis. We observe specific patterns of hormone gene activation and switching during islet morphogenesis, revealing that, within each cell type, cells have heterogeneous developmental trajectories. This likely applies to most maturating cells in the body, and explains the observed phenotypic variability within differentiated cell types. Such knowledge should help devising novel regenerative therapies. Adult pancreatic islet endocrine cells arise as embryonic hormone-expressing cells No detectable islet cell differentiation from putative precursor cells after birth Some embryonic hormone-producing cells display a switch in hormone gene expression
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Affiliation(s)
- Marta Perez-Frances
- Department of Genetic Medicine & Development, iGE3 and Centre Facultaire du Diabète, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland
| | - Maria Valentina Abate
- Department of Genetic Medicine & Development, iGE3 and Centre Facultaire du Diabète, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland
| | - Delphine Baronnier
- Department of Genetic Medicine & Development, iGE3 and Centre Facultaire du Diabète, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland
| | - Philipp E Scherer
- Touchstone Diabetes Center, Departments of Internal Medicine and Cell Biology, The University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX 75390-8549, USA
| | - Yoshio Fujitani
- Laboratory of Developmental Biology & Metabolism, Institute for Molecular & Cellular Regulation, Gunma University, 3-39-15 Showa-machi, Maebashi, Gunma, 371-8512, Japan
| | - Fabrizio Thorel
- Department of Genetic Medicine & Development, iGE3 and Centre Facultaire du Diabète, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland
| | - Pedro L Herrera
- Department of Genetic Medicine & Development, iGE3 and Centre Facultaire du Diabète, Faculty of Medicine, University of Geneva, 1211 Geneva, Switzerland.
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26
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Levetan C. Frederick Banting's observations leading to the potential for islet neogenesis without transplantation. J Diabetes 2022; 14:104-110. [PMID: 34967992 PMCID: PMC9060105 DOI: 10.1111/1753-0407.13246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 10/12/2021] [Accepted: 11/15/2021] [Indexed: 11/29/2022] Open
Abstract
On 31 October 1920, Sir Frederick Banting, while preparing for a medical student lecture on diabetes, a topic that he knew little about, learned how pancreatic stones resulted in the formation of new islets of Langerhans. He then scribbled down a potential research study of tying off the ducts of the pancreas and collecting the secretions to improve diabetes. These secretions became known as insulin. A century later, 60 different oral medications and 20 different insulins are available for the treatment of diabetes, yet none stimulate new islet formation. One hundred years later, after the discovery of insulin, more than a dozen research teams from around the world have demonstrated that similar studies to Banting's pancreatic ligation studies have resulted in upregulation of the REG gene. There are now more than 200 publications on the role of Reg gene proteins and shorter Reg peptides in initiating new islet formation islet from exocrine pancreatic ducts and protecting against inflammation to islets resulting in islet death. Human data through Phase 2b in both type 1 and 2 diabetes patients with diabetes for an average of 20 years have demonstrated that the use of a shorter bioactive Reg peptide can generate new endogenous insulin production, resulting in significant reductions in hemoglobin A1C and increases in stimulated C-peptide. The observations of Frederick Banting, one century ago, may now lead to the generation of therapeutics that form new islets without the need for transplantation.
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Affiliation(s)
- Claresa Levetan
- Fellow with Distinction, American College of Endocrinology, Diplomate, American Board of Internal Medicine, Diabetes, Endocrinology and MetabolismGrand View HealthLansdalePennsylvaniaUSA
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27
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Li S, Xie K. Ductal metaplasia in pancreas. Biochim Biophys Acta Rev Cancer 2022; 1877:188698. [DOI: 10.1016/j.bbcan.2022.188698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 02/09/2022] [Accepted: 02/09/2022] [Indexed: 02/07/2023]
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28
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Gao Y, Guan W, Bai C. Pancreatic Duct Cells Isolated From Canines Differentiate Into Beta-Like Pancreatic Islet Cells. Front Vet Sci 2022; 8:771196. [PMID: 35071380 PMCID: PMC8769286 DOI: 10.3389/fvets.2021.771196] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022] Open
Abstract
In this study, we isolated and cultured pancreatic ductal cells from canines and revealed the possibility for using them to differentiate into functional pancreatic beta cells in vitro. Passaged pancreatic ductal cells were induced to differentiate into beta-like pancreatic islet cells using a mixture of induced factors. Differentiated pancreatic ductal cells were analyzed based on intracellular insulin granules using transmission electron microscopy, the expression of insulin and glucagon using immunofluorescence, and glucose-stimulated insulin secretion using ELISA. Our data revealed that differentiated pancreatic ductal cells not only expressed insulin and glucagon but also synthesized insulin granules and secreted insulin at different glucose concentrations. Our study might assist in the development of effective cell therapies for the treatment of type 1 diabetes mellitus in dogs.
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Affiliation(s)
- Yuhua Gao
- Institute of Precision Medicine, Jining Medical University, Jining, China.,Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Weijun Guan
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Chunyu Bai
- Institute of Precision Medicine, Jining Medical University, Jining, China.,Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
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29
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Parte S, Nimmakayala RK, Batra SK, Ponnusamy MP. Acinar to ductal cell trans-differentiation: A prelude to dysplasia and pancreatic ductal adenocarcinoma. Biochim Biophys Acta Rev Cancer 2022; 1877:188669. [PMID: 34915061 DOI: 10.1016/j.bbcan.2021.188669] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/03/2021] [Accepted: 12/06/2021] [Indexed: 12/14/2022]
Abstract
Pancreatic cancer (PC) is the deadliest neoplastic epithelial malignancies and is projected to be the second leading cause of cancer-related mortality by 2024. Five years overall survival being ~10%, mortality and incidence rates are disturbing. Acinar to ductal cell metaplasia (ADM) encompasses cellular reprogramming and phenotypic switch-over, making it a cardinal event in tumor initiation. Differential cues and varied regulatory factors drive synchronous functions of metaplastic cell populations leading to multiple cell fates and physiological outcomes. ADM is a precursor for developing early pre-neoplastic lesions further progressing into PC due to oncogenic signaling. Hence delineating molecular events guiding tumor initiation may provide cues for regenerative medicine and precision onco-medicine. Therefore, understanding PC pathogenesis and early diagnosis are crucial. We hereby provide a timely overview of the current progress in this direction and future perspectives we foresee unfolding in the best interest of patient well-being and better clinical management of PC.
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Affiliation(s)
- Seema Parte
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198-5870, USA
| | - Rama Krishna Nimmakayala
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198-5870, USA
| | - Surinder K Batra
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198-5870, USA; Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA.
| | - Moorthy P Ponnusamy
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198-5870, USA; Eppley Institute for Research in Cancer and Allied Diseases, Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE, USA.
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30
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MNK2 deficiency potentiates β-cell regeneration via translational regulation. Nat Chem Biol 2022; 18:942-953. [PMID: 35697798 PMCID: PMC7613404 DOI: 10.1038/s41589-022-01047-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 04/26/2022] [Indexed: 02/08/2023]
Abstract
Regenerating pancreatic β-cells is a potential curative approach for diabetes. We previously identified the small molecule CID661578 as a potent inducer of β-cell regeneration, but its target and mechanism of action have remained unknown. We now screened 257 million yeast clones and determined that CID661578 targets MAP kinase-interacting serine/threonine kinase 2 (MNK2), an interaction we genetically validated in vivo. CID661578 increased β-cell neogenesis from ductal cells in zebrafish, neonatal pig islet aggregates and human pancreatic ductal organoids. Mechanistically, we found that CID661578 boosts protein synthesis and regeneration by blocking MNK2 from binding eIF4G in the translation initiation complex at the mRNA cap. Unexpectedly, this blocking activity augmented eIF4E phosphorylation depending on MNK1 and bolstered the interaction between eIF4E and eIF4G, which is necessary for both hypertranslation and β-cell regeneration. Taken together, our findings demonstrate a targetable role of MNK2-controlled translation in β-cell regeneration, a role that warrants further investigation in diabetes.
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31
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Fu X, He Q, Tao Y, Wang M, Wang W, Wang Y, Yu QC, Zhang F, Zhang X, Chen YG, Gao D, Hu P, Hui L, Wang X, Zeng YA. Recent advances in tissue stem cells. SCIENCE CHINA. LIFE SCIENCES 2021; 64:1998-2029. [PMID: 34865207 DOI: 10.1007/s11427-021-2007-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 06/08/2021] [Indexed: 12/13/2022]
Abstract
Stem cells are undifferentiated cells capable of self-renewal and differentiation, giving rise to specialized functional cells. Stem cells are of pivotal importance for organ and tissue development, homeostasis, and injury and disease repair. Tissue-specific stem cells are a rare population residing in specific tissues and present powerful potential for regeneration when required. They are usually named based on the resident tissue, such as hematopoietic stem cells and germline stem cells. This review discusses the recent advances in stem cells of various tissues, including neural stem cells, muscle stem cells, liver progenitors, pancreatic islet stem/progenitor cells, intestinal stem cells, and prostate stem cells, and the future perspectives for tissue stem cell research.
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Affiliation(s)
- Xin Fu
- Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, 200233, China
| | - Qiang He
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Yu Tao
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Mengdi Wang
- State Key Laboratory of Brain and Cognitive Science, CAS Center for Excellence in Brain Science and Intelligence Technology, Bioland Laboratory (Guangzhou), Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wei Wang
- State Key Laboratory of Brain and Cognitive Science, CAS Center for Excellence in Brain Science and Intelligence Technology, Bioland Laboratory (Guangzhou), Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yalong Wang
- The State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | - Qing Cissy Yu
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Fang Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Xiaoyu Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ye-Guang Chen
- The State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing, 100084, China.
- Max-Planck Center for Tissue Stem Cell Research and Regenerative Medicine, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, 510530, China.
| | - Dong Gao
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
| | - Ping Hu
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China.
- Xinhua Hospital affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, 200233, China.
- Max-Planck Center for Tissue Stem Cell Research and Regenerative Medicine, Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou, 510530, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
- Bio-Research Innovation Center, Shanghai Institute of Biochemistry and Cell Biology, Suzhou, 215121, China.
| | - Lijian Hui
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
- Bio-Research Innovation Center, Shanghai Institute of Biochemistry and Cell Biology, Suzhou, 215121, China.
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China.
- School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Hangzhou, 310024, China.
| | - Xiaoqun Wang
- State Key Laboratory of Brain and Cognitive Science, CAS Center for Excellence in Brain Science and Intelligence Technology, Bioland Laboratory (Guangzhou), Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, 100101, China.
- Advanced Innovation Center for Human Brain Protection, Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China.
| | - Yi Arial Zeng
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China.
- Bio-Research Innovation Center, Shanghai Institute of Biochemistry and Cell Biology, Suzhou, 215121, China.
- School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Hangzhou, 310024, China.
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32
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Bonner-Weir S. New evidence for adult beta cell neogenesis. Cell Stem Cell 2021; 28:1889-1890. [PMID: 34739830 DOI: 10.1016/j.stem.2021.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In this issue of Cell Stem Cell, Gribben et al. (2021), using improved lineage-tracing mice and longer chase times, have provided clear evidence of new islet cells forming from the pancreatic ducts in adult mice. Perhaps these data will finally put to rest the controversy over beta cell neogenesis in the adult.
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Affiliation(s)
- Susan Bonner-Weir
- Harvard Medical School, Joslin Diabetes Center, 1 Joslin Place, Boston, MA 02215, USA.
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33
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Gribben C, Lambert C, Messal HA, Hubber EL, Rackham C, Evans I, Heimberg H, Jones P, Sancho R, Behrens A. Ductal Ngn3-expressing progenitors contribute to adult β cell neogenesis in the pancreas. Cell Stem Cell 2021; 28:2000-2008.e4. [PMID: 34478642 PMCID: PMC8577827 DOI: 10.1016/j.stem.2021.08.003] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 05/12/2021] [Accepted: 08/05/2021] [Indexed: 12/25/2022]
Abstract
Ductal cells have been proposed as a source of adult β cell neogenesis, but this has remained controversial. By combining lineage tracing, 3D imaging, and single-cell RNA sequencing (scRNA-seq) approaches, we show that ductal cells contribute to the β cell population over time. Lineage tracing using the Neurogenin3 (Ngn3)-CreERT line identified ductal cells expressing the endocrine master transcription factor Ngn3 that were positive for the δ cell marker somatostatin and occasionally co-expressed insulin. The number of hormone-expressing ductal cells was increased in Akita+/- diabetic mice, and ngn3 heterozygosity accelerated diabetes onset. scRNA-seq of Ngn3 lineage-traced islet cells indicated that duct-derived somatostatin-expressing cells, some of which retained expression of ductal markers, gave rise to β cells. This study identified Ngn3-expressing ductal cells as a source of adult β cell neogenesis in homeostasis and diabetes, suggesting that this mechanism, in addition to β cell proliferation, maintains the adult islet β cell population.
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Affiliation(s)
| | - Christopher Lambert
- Centre for Stem Cells and Regenerative Medicine, King's College London, London, UK
| | | | | | - Chloe Rackham
- Department of Diabetes, King's College London, London, UK
| | - Ian Evans
- The Francis Crick Institute, 1 Midland Road, London, UK
| | - Harry Heimberg
- Beta Cell Neogenesis, Vrije Universiteit Brussel, Brussels, Belgium
| | - Peter Jones
- Department of Diabetes, King's College London, London, UK
| | - Rocio Sancho
- Centre for Stem Cells and Regenerative Medicine, King's College London, London, UK; Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden, Dresden, Germany.
| | - Axel Behrens
- The Francis Crick Institute, 1 Midland Road, London, UK; Cancer Stem Cell Laboratory, Institute of Cancer Research, London, UK; Division of Cancer, Department of Surgery and Cancer, Imperial College, London, UK; Convergence Science Centre, Imperial College, London SW7 2BU, UK.
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Rovira M, Maestro MA, Grau V, Ferrer J. Hnf1b-CreER causes efficient recombination of a Rosa26-RFP reporter in duct and islet δ cells. Islets 2021; 13:134-139. [PMID: 34282714 PMCID: PMC8528406 DOI: 10.1080/19382014.2021.1955088] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
The Hnf1b-CreERT2 BAC transgenic (Tg(Hnf1b-cre/ERT2)1Jfer) has been used extensively to trace the progeny of pancreatic ducts in developmental, regeneration, or cancer models. Hnf1b-CreERT2 transgenics have been used to show that the cells that form the embryonic pancreas duct-like plexus are bipotent duct-endocrine progenitors, whereas adult mouse duct cells are not a common source of β cells in various regenerative settings. The interpretation of such genetic lineage tracing studies is critically dependent on a correct understanding of the cell type specificity of recombinase activity with each reporter system. We have reexamined the performance of Hnf1b-CreERT2 with a Rosa26-RFP reporter transgene. This showed inducible recombination of up to 96% adult duct cells, a much higher efficiency than previously used reporter transgenes. Despite this high duct-cell excision, recombination in α and β cells remained very low, similar to previously used reporters. However, nearly half of somatostatin-expressing δ cells showed reporter activation, which was due to Cre expression in δ cells rather than to duct to δ cell conversions. The high recombination efficiency in duct cells indicates that the Hnf1b-CreERT2 model can be useful for both ductal fate mapping and genetic inactivation studies. The recombination in δ cells does not modify the interpretation of studies that failed to show duct conversions to other cell types, but needs to be considered if this model is used in studies that aim to modify the plasticity of pancreatic duct cells.
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Affiliation(s)
- Meritxell Rovira
- Department of Physiological Science, School of Medicine, Universitat de Barcelona (UB), L’Hospitalet de Llobregat, L'Hospitalet del Llobregat, Spain
- Pancreas Regeneration: Pancreatic Progenitors and Their Niche Group, Regenerative Medicine Program, Institut d’Investigació Biomèdica de Bellvitge ‐ IDIBELL, L’Hospitalet de Llobregat, Spain
- Program for Advancing the Clinical Translation of Regenerative Medicine of Catalonia, P-CMR[C], L’Hospitalet de Llobregat, Spain
- Center for Networked Biomedical Research on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
- CONTACT Meritxell Rovira Department of Physiological Science, School of Medicine, Universitat de Barcelona (UB), L’Hospitalet de Llobregat, Spain; Jorge Ferrer Regulatory Genomics and Diabetes, Centre for Genomic Regulation, the Barcelona Institute of Science and Technology, Barcelona, Spain
| | - Miguel Angel Maestro
- Regulatory Genomics and Diabetes, Centre for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Centro de Investigación Biomédica en Red Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)
| | - Vanessa Grau
- Regulatory Genomics and Diabetes, Centre for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Centro de Investigación Biomédica en Red Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)
| | - Jorge Ferrer
- Regulatory Genomics and Diabetes, Centre for Genomic Regulation, The Barcelona Institute of Science and Technology, Barcelona, Spain
- Centro de Investigación Biomédica en Red Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM)
- Section of Genetics and Genomics, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK
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Bittenglova K, Habart D, Saudek F, Koblas T. The Potential of Pancreatic Organoids for Diabetes Research and Therapy. Islets 2021; 13:85-105. [PMID: 34523383 PMCID: PMC8528407 DOI: 10.1080/19382014.2021.1941555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 06/04/2021] [Indexed: 10/20/2022] Open
Abstract
The success of clinical transplantation of pancreas or isolated pancreatic islets supports the concept of cell-based cure for diabetes. One limitation is the shortage of cadaver human pancreata. The demand-supply gap could potentially be bridged by harnessing the self-renewal capacity of stem cells. Pluripotent stem cells and adult pancreatic stem cells have been explored as possible cell sources. Recently, a system for long-term culture of proposed adult pancreatic stem cells in a form of organoids was developed. Generated organoids partially mimic the architecture and cell-type composition of pancreatic tissue. Here, we review the attempts over the past decade, to utilize the organoid cell culture principles in order to identify, expand, and differentiate the adult pancreatic stem cells from different compartments of mouse and human pancreata. The development of the culture conditions, effects of specific growth factors and small molecules is discussed. The potential utility of the adult pancreatic stem cells is considered in the context of other cell sources.
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Affiliation(s)
- Katerina Bittenglova
- Department of Diabetes, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
- First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - David Habart
- Department of Diabetes, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Frantisek Saudek
- Department of Diabetes, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
| | - Tomas Koblas
- Department of Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
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Ngn3-Positive Cells Arise from Pancreatic Duct Cells. Int J Mol Sci 2021; 22:ijms22168548. [PMID: 34445257 PMCID: PMC8395223 DOI: 10.3390/ijms22168548] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/04/2021] [Accepted: 08/05/2021] [Indexed: 11/28/2022] Open
Abstract
The production of pancreatic β cells is the most challenging step for curing diabetes using next-generation treatments. Adult pancreatic endocrine cells are thought to be maintained by the self-duplication of differentiated cells, and pancreatic endocrine neogenesis can only be observed when the tissue is severely damaged. Experimentally, this can be performed using a method named partial duct ligation (PDL). As the success rate of PDL surgery is low because of difficulties in identifying the pancreatic duct, we previously proposed a method for fluorescently labeling the duct in live animals. Using this method, we performed PDL on neurogenin3 (Ngn3)-GFP transgenic mice to determine the origin of endocrine precursor cells and evaluate their potential to differentiate into multiple cell types. Ngn3-activated cells, which were marked with GFP, appeared after PDL operation. Because some GFP-positive cells were aligned proximally to the duct, we hypothesized that Ngn3-positive cells arise from the pancreatic duct. Therefore, we next developed an in vitro pancreatic duct culture system using Ngn3-GFP mice and examined whether Ngn3-positive cells emerge from this duct. We observed GFP expressions in ductal organoid cultures. GFP expressions were correlated with Ngn3 expressions and endocrine cell lineage markers. Interestingly, tuft cell markers were also correlated with GFP expressions. Our results demonstrate that in adult mice, Ngn3-positive endocrine precursor cells arise from the pancreatic ducts both in vivo and in vitro experiments indicating that the pancreatic duct could be a potential donor for therapeutic use.
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Rodriguez UA, Socorro M, Criscimanna A, Martins CP, Mohamed N, Hu J, Prasadan K, Gittes GK, Esni F. Conversion of α-Cells to β-Cells in the Postpartum Mouse Pancreas Involves Lgr5 Progeny. Diabetes 2021; 70:1508-1518. [PMID: 33906911 PMCID: PMC8336010 DOI: 10.2337/db20-1059] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 04/23/2021] [Indexed: 12/14/2022]
Abstract
In contrast to the skin and the gut, where somatic stem cells and their niche are well characterized, a definitive pancreatic multipotent cell population in the adult pancreas has yet to be revealed. Of particular interest is whether such cells may be endogenous in patients with diabetes, and if so, can they be used for therapeutic purposes? In the current study, we used two separate reporter lines to target Cre-recombinase expression to the Lgr5- or glucagon-expressing cells in the pancreas. We provide evidence for the existence of a population of cells within and in the proximity of the ducts that transiently express the stem-cell marker Lgr5 during late gestational stages. Careful timing of tamoxifen treatment in Lgr5EGFP-IRES-CreERT2 ;R26 Tomato mice allowed us to show that these Lgr5-expressing progenitor cells can differentiate into α-cells during pregnancy. Furthermore, we report on a spontaneous lineage conversion of α- to β-cells specifically after parturition. The contribution of Lgr5 progeny to the β-cell compartment through an α-cell intermediate phase early after pregnancy appears to be part of a novel mechanism that would counterbalance against excessive β-cell mass reduction during β-cell involution.
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Affiliation(s)
- Uylissa A Rodriguez
- Division of Pediatric General and Thoracic Surgery, Department of Surgery, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA
| | - Mairobys Socorro
- Division of Pediatric General and Thoracic Surgery, Department of Surgery, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA
- Department of Oral Biology, University of Pittsburgh School of Dental Medicine, Pittsburgh, PA
| | - Angela Criscimanna
- Division of Pediatric General and Thoracic Surgery, Department of Surgery, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA
| | - Christina P Martins
- Division of Pediatric General and Thoracic Surgery, Department of Surgery, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA
| | - Nada Mohamed
- Division of Pediatric General and Thoracic Surgery, Department of Surgery, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA
| | - Jing Hu
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Krishna Prasadan
- Division of Pediatric General and Thoracic Surgery, Department of Surgery, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA
| | - George K Gittes
- Division of Pediatric General and Thoracic Surgery, Department of Surgery, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA
| | - Farzad Esni
- Division of Pediatric General and Thoracic Surgery, Department of Surgery, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA
- Department of Developmental Biology, University of Pittsburgh, Pittsburgh, PA
- UPMC Hillman Cancer Center, Pittsburgh, PA
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A new shortened protocol to obtain islet-like cells from hESC-derived ductal cells. In Vitro Cell Dev Biol Anim 2021; 57:587-597. [PMID: 34212340 DOI: 10.1007/s11626-021-00580-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 04/06/2021] [Indexed: 10/21/2022]
Abstract
Conventional methods for obtaining pancreatic β cells are based on simulating the embryonic development phase of endocrine cells via hierarchical differentiation of pluripotent stem cells (PSCs). Accordingly, we attempted to modify the protocols for obtaining insulin-secreting cells (ISCs) by sequential differentiation of a human embryonic stem cell (hESC), using the HS181 cell line. Furthermore, we hypothesize that actual pancreatic endocrine cells may arise from trans-differentiation of mature ductal cells after the embryonic developmental stage and throughout the rest of life. According to the hypothesis, ductal cells are trans-differentiated into endocrine and exocrine cells, undergoing a partial epithelial to mesenchymal transition (EMT). To address this issue, we developed two new protocols based on hESC differentiation to obtain ductal cells and then induce EMT in cells to obtain hormone-secreting islet-like cells (HSCs). The ductal (pre-EMT exocrine) cells were then induced to undergo partial EMT by treating with Wnt3a and activin A, in hypoxia. The cell derived from the latter method significantly expressed the main endocrine cell-specific markers and also β cells, in particular. These experiments not only support our hypothetical model but also offer a promising approach to develop new methods to compensate β cell depletion in patients with type 1 diabetes mellitus (T1DM). Although this protocol of generating islet-like cells from ductal cells has a potential to treat T1DM, this strategy may be exploited to optimize the function of these cells in an animal model and future clinical applications.
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Lodestijn SC, van Neerven SM, Vermeulen L, Bijlsma MF. Stem Cells in the Exocrine Pancreas during Homeostasis, Injury, and Cancer. Cancers (Basel) 2021; 13:cancers13133295. [PMID: 34209288 PMCID: PMC8267661 DOI: 10.3390/cancers13133295] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 06/16/2021] [Accepted: 06/26/2021] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Pancreatic cancer is one of the most lethal malignancies. Hence, improved therapies are urgently needed. Recent research indicates that pancreatic cancers depend on cancer stem cells (CSCs) for tumor expansion, metastasis, and therapy resistance. However, the exact functionality of pancreatic CSCs is still unclear. CSCs have much in common with normal pancreatic stem cells that have been better, albeit still incompletely, characterized. In this literature review, we address how pancreatic stem cells influence growth, homeostasis, regeneration, and cancer. Furthermore, we outline which intrinsic and extrinsic factors regulate stem cell functionality during these different processes to explore potential novel targets for treating pancreatic cancer. Abstract Cell generation and renewal are essential processes to develop, maintain, and regenerate tissues. New cells can be generated from immature cell types, such as stem-like cells, or originate from more differentiated pre-existing cells that self-renew or transdifferentiate. The adult pancreas is a dormant organ with limited regeneration capacity, which complicates studying these processes. As a result, there is still discussion about the existence of stem cells in the adult pancreas. Interestingly, in contrast to the classical stem cell concept, stem cell properties seem to be plastic, and, in circumstances of injury, differentiated cells can revert back to a more immature cellular state. Importantly, deregulation of the balance between cellular proliferation and differentiation can lead to disease initiation, in particular to cancer formation. Pancreatic ductal adenocarcinoma (PDAC) is a lethal disease with a 5-year survival rate of only ~9%. Unfortunately, metastasis formation often occurs prior to diagnosis, and most tumors are resistant to current treatment strategies. It has been proposed that a specific subpopulation of cells, i.e., cancer stem cells (CSCs), are responsible for tumor expansion, metastasis formation, and therapy resistance. Understanding the underlying mechanisms of pancreatic stem cells during homeostasis and injury might lead to new insights to understand the role of CSCs in PDAC. Therefore, in this review, we present an overview of the current literature regarding the stem cell dynamics in the pancreas during health and disease. Furthermore, we highlight the influence of the tumor microenvironment on the growth behavior of PDAC.
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Affiliation(s)
- Sophie C. Lodestijn
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam and Amsterdam Gastroenterology Endocrinology and Metabolism, Amsterdam University Medical Centers, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (S.C.L.); (S.M.v.N.); (L.V.)
- Oncode Institute, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Sanne M. van Neerven
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam and Amsterdam Gastroenterology Endocrinology and Metabolism, Amsterdam University Medical Centers, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (S.C.L.); (S.M.v.N.); (L.V.)
- Oncode Institute, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Louis Vermeulen
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam and Amsterdam Gastroenterology Endocrinology and Metabolism, Amsterdam University Medical Centers, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (S.C.L.); (S.M.v.N.); (L.V.)
- Oncode Institute, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
| | - Maarten F. Bijlsma
- Laboratory for Experimental Oncology and Radiobiology, Center for Experimental and Molecular Medicine, Cancer Center Amsterdam and Amsterdam Gastroenterology Endocrinology and Metabolism, Amsterdam University Medical Centers, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands; (S.C.L.); (S.M.v.N.); (L.V.)
- Oncode Institute, Meibergdreef 9, 1105 AZ Amsterdam, The Netherlands
- Correspondence:
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40
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Karampelias C, Rezanejad H, Rosko M, Duan L, Lu J, Pazzagli L, Bertolino P, Cesta CE, Liu X, Korbutt GS, Andersson O. Reinforcing one-carbon metabolism via folic acid/Folr1 promotes β-cell differentiation. Nat Commun 2021; 12:3362. [PMID: 34099692 PMCID: PMC8184927 DOI: 10.1038/s41467-021-23673-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 05/11/2021] [Indexed: 02/05/2023] Open
Abstract
Diabetes can be caused by an insufficiency in β-cell mass. Here, we performed a genetic screen in a zebrafish model of β-cell loss to identify pathways promoting β-cell regeneration. We found that both folate receptor 1 (folr1) overexpression and treatment with folinic acid, stimulated β-cell differentiation in zebrafish. Treatment with folinic acid also stimulated β-cell differentiation in cultures of neonatal pig islets, showing that the effect could be translated to a mammalian system. In both zebrafish and neonatal pig islets, the increased β-cell differentiation originated from ductal cells. Mechanistically, comparative metabolomic analysis of zebrafish with/without β-cell ablation and with/without folinic acid treatment indicated β-cell regeneration could be attributed to changes in the pyrimidine, carnitine, and serine pathways. Overall, our results suggest evolutionarily conserved and previously unknown roles for folic acid and one-carbon metabolism in the generation of β-cells.
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Affiliation(s)
- Christos Karampelias
- grid.4714.60000 0004 1937 0626Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | - Habib Rezanejad
- grid.17089.37Department of Surgery and Alberta Diabetes Institute, University of Alberta, Edmonton, Alberta Canada
| | - Mandy Rosko
- grid.17089.37Department of Surgery and Alberta Diabetes Institute, University of Alberta, Edmonton, Alberta Canada
| | - Likun Duan
- grid.40803.3f0000 0001 2173 6074Department of Molecular and Structural Biochemistry, NC State University, Raleigh, NC USA
| | - Jing Lu
- grid.4714.60000 0004 1937 0626Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
| | - Laura Pazzagli
- grid.4714.60000 0004 1937 0626Centre for Pharmacoepidemiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Philippe Bertolino
- grid.7849.20000 0001 2150 7757Cancer Research Centre of Lyon, INSERM U1052, CNRS UMR5286, Claude Bernard University, Lyon, France
| | - Carolyn E. Cesta
- grid.4714.60000 0004 1937 0626Centre for Pharmacoepidemiology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Xiaojing Liu
- grid.40803.3f0000 0001 2173 6074Department of Molecular and Structural Biochemistry, NC State University, Raleigh, NC USA
| | - Gregory S. Korbutt
- grid.17089.37Department of Surgery and Alberta Diabetes Institute, University of Alberta, Edmonton, Alberta Canada
| | - Olov Andersson
- grid.4714.60000 0004 1937 0626Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden
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41
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Gezginci-Oktayoglu S, Sancar S, Karatug-Kacar A, Bolkent S. miR-375 induces adipogenesis through targeting Erk1 in pancreatic duct cells under the influence of sodium palmitate. J Cell Physiol 2021; 236:3881-3895. [PMID: 33107061 DOI: 10.1002/jcp.30129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 12/16/2022]
Abstract
The goal of this study was to research long-term saturated fatty acid overexposure that can induce differentiation of pancreatic duct cells into adipocytes and also into β-cells. The important findings can be summarized as follows: (i) adipogenesis and early stage β-cell differentiation were stimulated in duct cells under lipotoxicity and glucolipotoxicity conditions, (ii) miR-375 expression was upregulated while its target Erk1 was downregulated and miR-375 inhibitor upregulated Erk1 while expression of adipogenesis markers was downregulated in duct cells under both conditions, (iii) apoptosis was induced in β and duct cells under both conditions, (iv) lipotoxicity induced proliferation of co-cultured β-cells. These findings suggest that long-term saturated fatty acid overexposure may cause intrapancreatic fat accumulation by inducing differentiation of duct cells into adipocytes and it may contributes to β-cell compensation by stimulating the early stage of β-cell differentiation in duct cells. In addition, miR-375 may have the potential to be a new target in the treatment of Type 2 diabetes, and NAFPD due to its role in the adipogenesis of duct cells.
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Affiliation(s)
- Selda Gezginci-Oktayoglu
- Biology Department, Molecular Biology Section, Faculty of Science, Istanbul University, Vezneciler, Istanbul, Turkey
| | - Serap Sancar
- Biology Department, Molecular Biology Section, Faculty of Science, Istanbul University, Vezneciler, Istanbul, Turkey
| | - Ayse Karatug-Kacar
- Biology Department, Molecular Biology Section, Faculty of Science, Istanbul University, Vezneciler, Istanbul, Turkey
| | - Sehnaz Bolkent
- Biology Department, Molecular Biology Section, Faculty of Science, Istanbul University, Vezneciler, Istanbul, Turkey
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42
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Liu Q, Jiang Y, Zhu L, Qian J, Wang C, Yang T, Prasadan K, Gittes GK, Xiao X. Insulin-positive ductal cells do not migrate into preexisting islets during pregnancy. Exp Mol Med 2021; 53:605-614. [PMID: 33820959 PMCID: PMC8102600 DOI: 10.1038/s12276-021-00593-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 12/13/2020] [Accepted: 02/16/2021] [Indexed: 12/16/2022] Open
Abstract
The adult pancreatic ductal system was suggested to harbor facultative beta-cell progenitors similar to the embryonic pancreas, and the appearance of insulin-positive duct cells has been used as evidence for natural duct-to-beta-cell reprogramming. Nevertheless, the phenotype and fate of these insulin-positive cells in ducts have not been determined. Here, we used a cell-tagging dye, CFDA-SE, to permanently label pancreatic duct cells through an intraductal infusion technique. Representing a time when significant increases in beta-cell mass occur, pregnancy was later induced in these CFDA-SE-treated mice to assess the phenotype and fate of the insulin-positive cells in ducts. We found that a small portion of CFDA-SE-labeled duct cells became insulin-positive, but they were not fully functional beta-cells based on the in vitro glucose response and the expression levels of key beta-cell genes. Moreover, these insulin-positive cells in ducts expressed significantly lower levels of genes associated with extracellular matrix degradation and cell migration, which may thus prevent their budding and migration into preexisting islets. A similar conclusion was reached through analysis of the Gene Expression Omnibus database for both mice and humans. Together, our data suggest that the contribution of duct cells to normal beta-cells in adult islets is minimal at best.
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Affiliation(s)
- Qun Liu
- Department of Endocrinology, The First Affiliated Hospital of NanChang University, Nanchang, 330006, China.,Department of Surgery, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15224, USA
| | - Yinan Jiang
- Department of Surgery, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15224, USA
| | - Lingyan Zhu
- Department of Endocrinology, The First Affiliated Hospital of NanChang University, Nanchang, 330006, China.
| | - Jieqi Qian
- Department of Surgery, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15224, USA.,Department of Pediatric Endocrinology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Chaoban Wang
- Department of Surgery, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15224, USA.,Department of Pediatric Endocrinology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, 325000, China
| | - Tianlun Yang
- Department of Cardiology, Xiangya Hospital, Central South University, Changsha, 410078, China
| | - Krishna Prasadan
- Department of Surgery, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15224, USA
| | - George K Gittes
- Department of Surgery, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15224, USA
| | - Xiangwei Xiao
- Department of Surgery, Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15224, USA.
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Miranda MA, Macias-Velasco JF, Lawson HA. Pancreatic β-cell heterogeneity in health and diabetes: classes, sources, and subtypes. Am J Physiol Endocrinol Metab 2021; 320:E716-E731. [PMID: 33586491 PMCID: PMC8238131 DOI: 10.1152/ajpendo.00649.2020] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Pancreatic β-cells perform glucose-stimulated insulin secretion, a process at the center of type 2 diabetes etiology. Efforts to understand how β-cells behave in healthy and stressful conditions have revealed a wide degree of morphological, functional, and transcriptional heterogeneity. Sources of heterogeneity include β-cell topography, developmental origin, maturation state, and stress response. Advances in sequencing and imaging technologies have led to the identification of β-cell subtypes, which play distinct roles in the islet niche. This review examines β-cell heterogeneity from morphological, functional, and transcriptional perspectives, and considers the relevance of topography, maturation, development, and stress response. It also discusses how these factors have been used to identify β-cell subtypes, and how heterogeneity is impacted by diabetes. We examine open questions in the field and discuss recent technological innovations that could advance understanding of β-cell heterogeneity in health and disease.
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Affiliation(s)
- Mario A Miranda
- Department of Genetics, Washington University School of Medicine, Saint Louis, Missouri
| | - Juan F Macias-Velasco
- Department of Genetics, Washington University School of Medicine, Saint Louis, Missouri
| | - Heather A Lawson
- Department of Genetics, Washington University School of Medicine, Saint Louis, Missouri
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Vakilian M, Ghaedi K. A new hypothetical model for pancreatic development based on change in the cell division orientation. Gene 2021; 785:145607. [PMID: 33775847 DOI: 10.1016/j.gene.2021.145607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 03/05/2021] [Accepted: 03/19/2021] [Indexed: 11/15/2022]
Abstract
Although lifelong renewal and additional compensatory growth in response to demand are undeniable facts, so far, no specific stem cells have been found for pancreatic cells. According to the consensus model, the development of pancreas results from the hierarchical differentiation of pluripotent stem cells towards the appearance of the first endocrine and exocrine cells at approximately 7.5 to 8th gestation week (GW) of human embryo. However, the primitive endocrine cells arising from the embryonic phase of development do not appear to be mature or fully functional. Asymmetric localization of cellular components, such as Numb, partition protein complexes (PAR), planar cell polarity components, and certain mRNAs on the apical and basal sides of epithelial cells, causes cellular polarization. According to our model, the equal distribution of cellular components during symmetric cell division yields similar daughter cells that are associated with duct expansion. In contrast, asymmetric cell division is associated with uneven distribution of cellular components among daughter cells, resulting in different fates. Asymmetric cell division leads to duct branching and the development of acinar and stellate cells by a daughter cell, as well as the development of islet progenitor cells through partial epithelial-to-mesenchymal transition (EMT) and delamination of another daughter cell. Recently, we have developed an efficient method to obtain insulin-secreting cells from the transdifferentiation of hESC-derived ductal cells inducing a partial EMT by treatment with Wnt3A and activin A in a hypoxic environment. Similar models can be offered for other tissues and organs such as mammary glands, lungs, prostate, liver, etc. This model may open a new horizon in the field of regenerative medicine and be useful in explaining the cause of certain abnormalities, such as the occurrence of certain cysts and tumors.
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Affiliation(s)
- Mehrdad Vakilian
- Department of Cell Regeneration and Advanced Therapies, Andalusian Center for Molecular Biology and Regenerative Medicine (CABIMER), University of Pablo de Olavide-University of Seville-CSIC, Sevilla, Spain; Department of Cell Biology, Genetics and Physiology, University of Malaga (UMA), The Institute of Biomedical Research in Malaga (IBIMA), Málaga, Spain
| | - Kamran Ghaedi
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science & Technology, University of Isfahan, Hezar Jerib Ave., Azadi Sq., Isfahan, Iran.
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Zhao H, Huang X, Liu Z, Pu W, Lv Z, He L, Li Y, Zhou Q, Lui KO, Zhou B. Pre-existing beta cells but not progenitors contribute to new beta cells in the adult pancreas. Nat Metab 2021; 3:352-365. [PMID: 33723463 PMCID: PMC8628617 DOI: 10.1038/s42255-021-00364-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 02/16/2021] [Indexed: 01/31/2023]
Abstract
It has been suggested that new beta cells can arise from specific populations of adult pancreatic progenitors or facultative stem cells. However, their existence remains controversial, and the conditions under which they would contribute to new beta-cell formation are not clear. Here, we use a suite of mouse models enabling dual-recombinase-mediated genetic tracing to simultaneously fate map insulin-positive and insulin-negative cells in the adult pancreas. We find that the insulin-negative cells, of both endocrine and exocrine origin, do not generate new beta cells in the adult pancreas during homeostasis, pregnancy or injury, including partial pancreatectomy, pancreatic duct ligation or beta-cell ablation with streptozotocin. However, non-beta cells can give rise to insulin-positive cells after extreme genetic ablation of beta cells, consistent with transdifferentiation. Together, our data indicate that pancreatic endocrine and exocrine progenitor cells do not contribute to new beta-cell formation in the adult mouse pancreas under physiological conditions.
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Affiliation(s)
- Huan Zhao
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai, China
| | - Xiuzhen Huang
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai, China
| | - Zixin Liu
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai, China
| | - Wenjuan Pu
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai, China
| | - Zan Lv
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai, China
| | - Lingjuan He
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai, China
| | - Yan Li
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai, China
| | - Qiao Zhou
- Division of Regenerative Medicine, Department of Medicine, Weill Cornell Medical College of Cornell University, New York, NY, USA
| | - Kathy O Lui
- Department of Chemical Pathology; Li Ka Shing Institute of Health Sciences, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
| | - Bin Zhou
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences; University of Chinese Academy of Sciences, Shanghai, China.
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
- School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.
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46
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Trampert DC, van de Graaf SFJ, Jongejan A, Oude Elferink RPJ, Beuers U. Hepatobiliary acid-base homeostasis: Insights from analogous secretory epithelia. J Hepatol 2021; 74:428-441. [PMID: 33342564 DOI: 10.1016/j.jhep.2020.10.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 10/03/2020] [Accepted: 10/19/2020] [Indexed: 12/14/2022]
Abstract
Many epithelia secrete bicarbonate-rich fluid to generate flow, alter viscosity, control pH and potentially protect luminal and intracellular structures from chemical stress. Bicarbonate is a key component of human bile and impaired biliary bicarbonate secretion is associated with liver damage. Major efforts have been undertaken to gain insight into acid-base homeostasis in cholangiocytes and more can be learned from analogous secretory epithelia. Extrahepatic examples include salivary and pancreatic duct cells, duodenocytes, airway and renal epithelial cells. The cellular machinery involved in acid-base homeostasis includes carbonic anhydrase enzymes, transporters of the solute carrier family, and intra- and extracellular pH sensors. This pH-regulatory system is orchestrated by protein-protein interactions, the establishment of an electrochemical gradient across the plasma membrane and bicarbonate sensing of the intra- and extracellular compartment. In this review, we discuss conserved principles identified in analogous secretory epithelia in the light of current knowledge on cholangiocyte physiology. We present a framework for cholangiocellular acid-base homeostasis supported by expression analysis of publicly available single-cell RNA sequencing datasets from human cholangiocytes, which provide insights into the molecular basis of pH homeostasis and dysregulation in the biliary system.
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Affiliation(s)
- David C Trampert
- Amsterdam UMC, University of Amsterdam, Department of Gastroenterology and Hepatology, Tytgat Institute for Liver and Intestinal Research, Amsterdam Gastroenterology Endocrinology Metabolism (AGEM), Meibergdreef 9, Amsterdam, the Netherlands
| | - Stan F J van de Graaf
- Amsterdam UMC, University of Amsterdam, Department of Gastroenterology and Hepatology, Tytgat Institute for Liver and Intestinal Research, Amsterdam Gastroenterology Endocrinology Metabolism (AGEM), Meibergdreef 9, Amsterdam, the Netherlands
| | - Aldo Jongejan
- Amsterdam UMC, University of Amsterdam, Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Meibergdreef 9, Amsterdam, the Netherlands
| | - Ronald P J Oude Elferink
- Amsterdam UMC, University of Amsterdam, Department of Gastroenterology and Hepatology, Tytgat Institute for Liver and Intestinal Research, Amsterdam Gastroenterology Endocrinology Metabolism (AGEM), Meibergdreef 9, Amsterdam, the Netherlands
| | - Ulrich Beuers
- Amsterdam UMC, University of Amsterdam, Department of Gastroenterology and Hepatology, Tytgat Institute for Liver and Intestinal Research, Amsterdam Gastroenterology Endocrinology Metabolism (AGEM), Meibergdreef 9, Amsterdam, the Netherlands.
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47
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Wang KL, Tao M, Wei TJ, Wei R. Pancreatic β cell regeneration induced by clinical and preclinical agents. World J Stem Cells 2021; 13:64-77. [PMID: 33584980 PMCID: PMC7859987 DOI: 10.4252/wjsc.v13.i1.64] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 11/16/2020] [Accepted: 11/29/2020] [Indexed: 02/06/2023] Open
Abstract
Diabetes, one of the most common chronic diseases in the modern world, has pancreatic β cell deficiency as a major part of its pathophysiological mechanism. Pancreatic regeneration is a potential therapeutic strategy for the recovery of β cell loss. However, endocrine islets have limited regenerative capacity, especially in adult humans. Almost all hypoglycemic drugs can protect β cells by inhibiting β cell apoptosis and dedifferentiation via correction of hyperglycemia and amelioration of the consequent inflammation and oxidative stress. Several agents, including glucagon-like peptide-1 and γ-aminobutyric acid, have been shown to promote β cell proliferation, which is considered the main source of the regenerated β cells in adult rodents, but with less clarity in humans. Pancreatic progenitor cells might exist and be activated under particular circumstances. Artemisinins and γ-aminobutyric acid can induce α-to-β cell conversion, although some disputes exist. Intestinal endocrine progenitors can transdeterminate into insulin-producing cells in the gut after FoxO1 deletion, and pharmacological research into FoxO1 inhibition is ongoing. Other cells, including pancreatic acinar cells, can transdifferentiate into β cells, and clinical and preclinical strategies are currently underway. In this review, we summarize the clinical and preclinical agents used in different approaches for β cell regeneration and make some suggestions regarding future perspectives for clinical application.
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Affiliation(s)
- Kang-Li Wang
- Department of Endocrinology and Metabolism, Peking University Third Hospital, Beijing 100191, China
| | - Ming Tao
- Department of General Surgery, Peking University Third Hospital, Beijing 100191, China
| | - Tian-Jiao Wei
- Department of Endocrinology and Metabolism, Peking University Third Hospital, Beijing 100191, China
| | - Rui Wei
- Department of Endocrinology and Metabolism, Peking University Third Hospital, Beijing 100191, China
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48
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Massoz L, Dupont MA, Manfroid I. Zebra-Fishing for Regenerative Awakening in Mammals. Biomedicines 2021; 9:65. [PMID: 33445518 PMCID: PMC7827770 DOI: 10.3390/biomedicines9010065] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/04/2021] [Accepted: 01/05/2021] [Indexed: 02/07/2023] Open
Abstract
Regeneration is defined as the ability to regrow an organ or a tissue destroyed by degeneration or injury. Many human degenerative diseases and pathologies, currently incurable, could be cured if functional tissues or cells could be restored. Unfortunately, humans and more generally mammals have limited regenerative capabilities, capacities that are even further declining with age, contrary to simpler organisms. Initially thought to be lost during evolution, several studies have revealed that regenerative mechanisms are still present in mammals but are latent and thus they could be stimulated. To do so there is a pressing need to identify the fundamental mechanisms of regeneration in species able to efficiently regenerate. Thanks to its ability to regenerate most of its organs and tissues, the zebrafish has become a powerful model organism in regenerative biology and has recently engendered a number of studies attesting the validity of awakening the regenerative potential in mammals. In this review we highlight studies, particularly in the liver, pancreas, retina, heart, brain and spinal cord, which have identified conserved regenerative molecular events that proved to be beneficial to restore murine and even human cells and which helped clarify the real clinical translation potential of zebrafish research to mammals.
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Affiliation(s)
| | | | - Isabelle Manfroid
- Zebrafish Development and Disease Models Laboratory, GIGA-Stem Cells, University of Liège, B-4000 Liège, Belgium; (L.M.); (M.A.D.)
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Bijnen M, Bajénoff M. Gland Macrophages: Reciprocal Control and Function within Their Niche. Trends Immunol 2021; 42:120-136. [PMID: 33423933 DOI: 10.1016/j.it.2020.12.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 12/07/2020] [Accepted: 12/08/2020] [Indexed: 11/30/2022]
Abstract
The human body contains dozens of endocrine and exocrine glands, which regulate physiological processes by secreting hormones and other factors. Glands can be subdivided into contiguous tissue modules, each consisting of an interdependent network of cells that together perform particular tissue functions. Among those cells are macrophages, a diverse type of immune cells endowed with trophic functions. In this review, we discuss recent findings on how resident macrophages support tissue modules within glands via the creation of mutually beneficial cell-cell circuits. A better comprehension of gland macrophage function and local control within their niche is essential to achieve a refined understanding of gland physiology in homeostasis and disease.
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Affiliation(s)
- Mitchell Bijnen
- Aix Marseille University, CNRS, INSERM, Centre d'Immunologie de Marseille-Luminy, Marseille, France.
| | - Marc Bajénoff
- Aix Marseille University, CNRS, INSERM, Centre d'Immunologie de Marseille-Luminy, Marseille, France
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50
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Spears E, Serafimidis I, Powers AC, Gavalas A. Debates in Pancreatic Beta Cell Biology: Proliferation Versus Progenitor Differentiation and Transdifferentiation in Restoring β Cell Mass. Front Endocrinol (Lausanne) 2021; 12:722250. [PMID: 34421829 PMCID: PMC8378310 DOI: 10.3389/fendo.2021.722250] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 07/14/2021] [Indexed: 12/12/2022] Open
Abstract
In all forms of diabetes, β cell mass or function is reduced and therefore the capacity of the pancreatic cells for regeneration or replenishment is a critical need. Diverse lines of research have shown the capacity of endocrine as well as acinar, ductal and centroacinar cells to generate new β cells. Several experimental approaches using injury models, pharmacological or genetic interventions, isolation and in vitro expansion of putative progenitors followed by transplantations or a combination thereof have suggested several pathways for β cell neogenesis or regeneration. The experimental results have also generated controversy related to the limitations and interpretation of the experimental approaches and ultimately their physiological relevance, particularly when considering differences between mouse, the primary animal model, and human. As a result, consensus is lacking regarding the relative importance of islet cell proliferation or progenitor differentiation and transdifferentiation of other pancreatic cell types in generating new β cells. In this review we summarize and evaluate recent experimental approaches and findings related to islet regeneration and address their relevance and potential clinical application in the fight against diabetes.
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Affiliation(s)
- Erick Spears
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Ioannis Serafimidis
- Center of Basic Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Alvin C. Powers
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, United States
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN, United States
- VA Tennessee Valley Healthcare System, Nashville, TN, United States
- *Correspondence: Anthony Gavalas, ; Alvin C. Powers,
| | - Anthony Gavalas
- Paul Langerhans Institute Dresden (PLID) of Helmholtz Center Munich at the University Clinic Carl Gustav Carus of TU Dresden, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
- German Centre for Diabetes Research (DZD), Neuherberg, Germany
- *Correspondence: Anthony Gavalas, ; Alvin C. Powers,
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