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Deng X, Peng D, Yao Y, Huang K, Wang J, Ma Z, Fu J, Xu Y. Optogenetic therapeutic strategies for diabetes mellitus. J Diabetes 2024; 16:e13557. [PMID: 38751366 PMCID: PMC11096815 DOI: 10.1111/1753-0407.13557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 02/28/2024] [Accepted: 03/11/2024] [Indexed: 05/18/2024] Open
Abstract
Diabetes mellitus (DM) is a common chronic disease affecting humans globally. It is characterized by abnormally elevated blood glucose levels due to the failure of insulin production or reduction of insulin sensitivity and functionality. Insulin and glucagon-like peptide (GLP)-1 replenishment or improvement of insulin resistance are the two major strategies to treat diabetes. Recently, optogenetics that uses genetically encoded light-sensitive proteins to precisely control cell functions has been regarded as a novel therapeutic strategy for diabetes. Here, we summarize the latest development of optogenetics and its integration with synthetic biology approaches to produce light-responsive cells for insulin/GLP-1 production, amelioration of insulin resistance and neuromodulation of insulin secretion. In addition, we introduce the development of cell encapsulation and delivery methods and smart bioelectronic devices for the in vivo application of optogenetics-based cell therapy in diabetes. The remaining challenges for optogenetics-based cell therapy in the clinical translational study are also discussed.
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Affiliation(s)
- Xin Deng
- Department of EndocrinologyChildren's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child HealthHangzhouChina
- Department of Biomedical Engineering, MOE Key Laboratory of Biomedical Engineering, Zhejiang Provincial Key Laboratory of Cardio‐Cerebral Vascular Detection Technology and Medicinal Effectiveness Appraisal, Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational ResearchZhejiang UniversityHangzhouChina
| | - Dandan Peng
- Department of EndocrinologyChildren's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child HealthHangzhouChina
| | - Yuanfa Yao
- Department of Biomedical Engineering, MOE Key Laboratory of Biomedical Engineering, Zhejiang Provincial Key Laboratory of Cardio‐Cerebral Vascular Detection Technology and Medicinal Effectiveness Appraisal, Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational ResearchZhejiang UniversityHangzhouChina
| | - Ke Huang
- Department of EndocrinologyChildren's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child HealthHangzhouChina
| | - Jinling Wang
- Department of EndocrinologyChildren's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child HealthHangzhouChina
| | - Zhihao Ma
- Department of Biomedical Engineering, MOE Key Laboratory of Biomedical Engineering, Zhejiang Provincial Key Laboratory of Cardio‐Cerebral Vascular Detection Technology and Medicinal Effectiveness Appraisal, Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational ResearchZhejiang UniversityHangzhouChina
| | - Junfen Fu
- Department of EndocrinologyChildren's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child HealthHangzhouChina
| | - Yingke Xu
- Department of EndocrinologyChildren's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child HealthHangzhouChina
- Department of Biomedical Engineering, MOE Key Laboratory of Biomedical Engineering, Zhejiang Provincial Key Laboratory of Cardio‐Cerebral Vascular Detection Technology and Medicinal Effectiveness Appraisal, Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine for Clinical Evaluation and Translational ResearchZhejiang UniversityHangzhouChina
- Binjiang Institute of Zhejiang UniversityHangzhouChina
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2
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Yun F, Zhaorigen B, Han X, Li X, Yun S. Islet Like Cells Induced from Umbilical Cord Mesenchymal Stem Cells with Neonatal Bovine Pancreatic Mesenchymal Exosomes for Treatment of Diabetes Mellitus. Horm Metab Res 2024; 56:463-470. [PMID: 37832580 DOI: 10.1055/a-2166-4546] [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: 10/15/2023]
Abstract
To investigate the safety and efficacy of the islet-like cell (cell) induced from human umbilical cord mesenchymal stem cell (UCMSC) with different methods for the treatment of diabetic animal model. UCMSCs were induced to βcells with cytokines (CY) and neonatal bovine pancreatic mesenchymal cell exosomes (Ex) combined with CY (EX+CY). The insulin secretion of UCMSC and βcell was measured with ELISA when the cells were growing in different concentrations of glucose media for different times. UCMSCs (4×105) and the same number of cells prepared with two methods were transplanted to type I diabetic rat models. UCMSCs could be induced into islet βcells by CY or EX+CY in vitro. The insulin secretion of the prepared β cells growing in 25.0 mM glucose medium was over 5-fold of that in 6.0 mM glucose. The transplantation of the βcells to type I diabetic rat models could reduce the blood glucose and prolong the survival time. The β cells induced by EX+CY had much more significant effects on decreasing blood glucose and increasing survival time (p<0.01). The cells did not affect blood sugar level and had no serious side-effects in human health. UCMSC could be induced to islet βcells with either CY or EX+CY. The transplantation of the induced islet βcells could reduce blood glucose and prolong the survival time of diabetic animal models. Although the cells induced with EX+CY had more significant effects on diabetic rats, they did not affect blood glucose level and had no serious side-effects in human health.
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Affiliation(s)
- Feiyu Yun
- Stem Cell Center, Affiliated Hospital of Inner Mongolia Medical University, Huhehot, China
| | - Bayalige Zhaorigen
- Stem Cell Center, Affiliated Hospital of Inner Mongolia Medical University, Huhehot, China
| | - Xia Han
- Stem Cell Center, Affiliated Hospital of Inner Mongolia Medical University, Huhehot, China
| | - Xin Li
- Fengyuan Biosciences Company, Fengyuan Biosciences Company, Guangzhou, China
| | - Sheng Yun
- Stem Cell Center, Affiliated Hospital of Inner Mongolia Medical University, Huhehot, China
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3
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Ho BX, Teo AKK, Ng NHJ. Innovations in bio-engineering and cell-based approaches to address immunological challenges in islet transplantation. Front Immunol 2024; 15:1375177. [PMID: 38650946 PMCID: PMC11033429 DOI: 10.3389/fimmu.2024.1375177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 03/11/2024] [Indexed: 04/25/2024] Open
Abstract
Human allogeneic pancreatic islet transplantation is a life-changing treatment for patients with severe Type 1 Diabetes (T1D) who suffer from hypoglycemia unawareness and high risk of severe hypoglycemia. However, intensive immunosuppression is required to prevent immune rejection of the graft, that may in turn lead to undesirable side effects such as toxicity to the islet cells, kidney toxicity, occurrence of opportunistic infections, and malignancies. The shortage of cadaveric human islet donors further limits islet transplantation as a treatment option for widespread adoption. Alternatively, porcine islets have been considered as another source of insulin-secreting cells for transplantation in T1D patients, though xeno-transplants raise concerns over the risk of endogenous retrovirus transmission and immunological incompatibility. As a result, technological advancements have been made to protect transplanted islets from immune rejection and inflammation, ideally in the absence of chronic immunosuppression, to improve the outcomes and accessibility of allogeneic islet cell replacement therapies. These include the use of microencapsulation or macroencapsulation devices designed to provide an immunoprotective environment using a cell-impermeable layer, preventing immune cell attack of the transplanted cells. Other up and coming advancements are based on the use of stem cells as the starting source material for generating islet cells 'on-demand'. These starting stem cell sources include human induced pluripotent stem cells (hiPSCs) that have been genetically engineered to avoid the host immune response, curated HLA-selected donor hiPSCs that can be matched with recipients within a given population, and multipotent stem cells with natural immune privilege properties. These strategies are developed to provide an immune-evasive cell resource for allogeneic cell therapy. This review will summarize the immunological challenges facing islet transplantation and highlight recent bio-engineering and cell-based approaches aimed at avoiding immune rejection, to improve the accessibility of islet cell therapy and enhance treatment outcomes. Better understanding of the different approaches and their limitations can guide future research endeavors towards developing more comprehensive and targeted strategies for creating a more tolerogenic microenvironment, and improve the effectiveness and sustainability of islet transplantation to benefit more patients.
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Affiliation(s)
- Beatrice Xuan Ho
- Stem Cells and Diabetes Laboratory, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
- BetaLife Pte Ltd, Singapore, Singapore
| | - Adrian Kee Keong Teo
- Stem Cells and Diabetes Laboratory, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- Precision Medicine Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Natasha Hui Jin Ng
- Stem Cells and Diabetes Laboratory, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
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4
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Zhu S, Xu Y, Li Y, Wang L, Huang Y, Wan J. Biomimetic Hydrogels Promote Pseudoislet Formation to Improve Glycemic Control in Diabetic Mice. ACS Biomater Sci Eng 2024; 10:2486-2497. [PMID: 38445596 DOI: 10.1021/acsbiomaterials.4c00015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Islet or β-cell transplantation is currently considered to be the ideal treatment for diabetes, and three-dimensional (3D) bioprinting of a bionic pancreas with physiological stiffness is considered to be promising for the encapsulation and transplantation of β-cells. In this study, a 5%GelMA/2%AlgMA hybrid hydrogel with pancreatic physiological stiffness was constructed and used for β-cell encapsulation, 3D bioprinting, and in vivo transplantation to evaluate glycemic control in diabetic mice. The hybrid hydrogel had good cytocompatibility and could induce insulin-producing cells (IPCs) to form pseudoislet structures and improve insulin secretion. Furthermore, we validated the importance of betacellulin (BTC) in IPCs differentiation and confirmed that IPCs self-regulation was achieved by altering the nuclear and cytoplasmic distributions of BTC expression. In vivo transplantation of diabetic mice quickly restored blood glucose levels. In the future, 3D bioprinting of β-cells using biomimetic hydrogels will provide a promising platform for clinical islet transplantation for the treatment of diabetes.
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Affiliation(s)
- Shajun Zhu
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226000, China
| | - Yang Xu
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226000, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226000, China
- Center of Gallbladder Disease, Shanghai East Hospital, Institute of Gallstone Disease, Tongji University School of Medicine, Shanghai 200000, China
| | - Yuxi Li
- Medical School of Nantong University, Nantong 226000, China
| | - Lin Wang
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226000, China
| | - Yan Huang
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226000, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226000, China
| | - Jian Wan
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226000, China
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226000, China
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5
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Christiansen JR, Kirkeby A. Clinical translation of pluripotent stem cell-based therapies: successes and challenges. Development 2024; 151:dev202067. [PMID: 38564308 PMCID: PMC11057818 DOI: 10.1242/dev.202067] [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] [Indexed: 04/04/2024]
Abstract
The translational stem cell research field has progressed immensely in the past decade. Development and refinement of differentiation protocols now allows the generation of a range of cell types, such as pancreatic β-cells and dopaminergic neurons, from human pluripotent stem cells (hPSCs) in an efficient and good manufacturing practice-compliant fashion. This has led to the initiation of several clinical trials using hPSC-derived cells to replace lost or dysfunctional cells, demonstrating evidence of both safety and efficacy. Here, we highlight successes from some of the hPSC-based trials reporting early signs of efficacy and discuss common challenges in clinical translation of cell therapies.
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Affiliation(s)
- Josefine Rågård Christiansen
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, 2200 Copenhagen N, Denmark
| | - Agnete Kirkeby
- Novo Nordisk Foundation Center for Stem Cell Medicine (reNEW), University of Copenhagen, 2200 Copenhagen N, Denmark
- Department of Neuroscience, University of Copenhagen, 2200 Copenhagen N, Denmark
- Wallenberg Center for Molecular Medicine, Department of Experimental Medical Science, Lund University, 221 84 Lund, Sweden
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6
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Gilbert PM, Hofmann S, Ng HH, Vankelecom H, Wells JM. Organoids in endocrine and metabolic research: current and emerging applications. Nat Rev Endocrinol 2024; 20:195-201. [PMID: 38182746 DOI: 10.1038/s41574-023-00933-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/28/2023] [Indexed: 01/07/2024]
Affiliation(s)
- Penney M Gilbert
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada.
| | - Sandra Hofmann
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands.
| | - Huck-Hui Ng
- Laboratory of Precision Disease Therapeutics, Genome Institute of Singapore, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore.
| | - Hugo Vankelecom
- Department of Development and Regeneration, Cluster of Stem Cell and Developmental Biology, KU Leuven, Leuven, Belgium.
| | - James M Wells
- Division of Developmental Biology, Division of Endocrinology, Center for Stem Cell and Organoid Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
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7
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Li Q, Liu R, Lin Z, Zhang X, Silva IG, Pollock SD, Alvarez-Dominguez JR, Liu J. Cyborg islets: implanted flexible electronics reveal principles of human islet electrical maturation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.18.585551. [PMID: 38562695 PMCID: PMC10983936 DOI: 10.1101/2024.03.18.585551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Flexible electronics implanted during tissue formation enable chronic studies of tissue-wide electrophysiology. Here, we integrate tissue-like stretchable electronics during organogenesis of human stem cell-derived pancreatic islets, stably tracing single-cell extracellular spike bursting dynamics over months of functional maturation. Adapting spike sorting methods from neural studies reveals maturation-dependent electrical patterns of α and β-like (SC-α and β) cells, and their stimulus-coupled dynamics. We identified two major electrical states for both SC-α and β cells, distinguished by their glucose threshold for action potential firing. We find that improved hormone stimulation capacity during extended culture reflects increasing numbers of SC-α/β cells in low basal firing states, linked to energy and hormone metabolism gene upregulation. Continuous recording during further maturation by entrainment to daily feeding cycles reveals that circadian islet-level hormone secretion rhythms reflect sustained and coordinate oscillation of cell-level SC-α and β electrical activities. We find that this correlates with cell-cell communication and exocytic network induction, indicating a role for circadian rhythms in coordinating system-level stimulus-coupled responses. Cyborg islets thus reveal principles of electrical maturation that will be useful to build fully functional in vitro islets for research and therapeutic applications.
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8
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Bode K, Wei S, Gruber I, Kissler S, Yi P. Beta Cells Deficient for Renalase Counteract Autoimmunity by Shaping Natural Killer Cell Activity. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.29.582816. [PMID: 38496417 PMCID: PMC10942322 DOI: 10.1101/2024.02.29.582816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Type 1 diabetes (T1D) arises from autoimmune-mediated destruction of insulin-producing pancreatic beta cells. Recent advancements in the technology of generating pancreatic beta cells from human pluripotent stem cells (SC-beta cells) have facilitated the exploration of cell replacement therapies for treating T1D. However, the persistent threat of autoimmunity poses a significant challenge to the survival of transplanted SC-beta cells. Genetic engineering is a promising approach to enhance immune resistance of beta cells as we previously showed by inactivating of the Renalase (Rnls) gene. Here we demonstrate that Rnls loss-of-function in beta cells shape autoimmunity by mediating a regulatory Natural Killer (NK) cell phenotype important for the induction of tolerogenic antigen presenting cells. Rnls-deficient beta cells mediate cell-cell-contact-independent induction of hallmark anti-inflammatory cytokine Tgfβ1 in NK cells. In addition, surface expression of key regulatory NK immune checkpoints CD47 and Ceacam1 are markedly elevated on beta cells deficient for Rnls. Enhanced glucose metabolism in Rnls mutant beta cells is responsible for upregulation of CD47 surface expression. These findings are crucial to a better understand how genetically engineered beta cells shape autoimmunity giving valuable insights for future therapeutic advancements to treat and cure T1D.
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Affiliation(s)
- Kevin Bode
- Section for Immunobiology, Joslin Diabetes Center, Boston, MA 02215
- Section for Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA 02215
- Department of Medicine, Harvard Medical School, Boston MA 02115
| | - Siying Wei
- Section for Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA 02215
- Department of Medicine, Harvard Medical School, Boston MA 02115
| | - Isabella Gruber
- Section for Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA 02215
| | - Stephan Kissler
- Section for Immunobiology, Joslin Diabetes Center, Boston, MA 02215
- Department of Medicine, Harvard Medical School, Boston MA 02115
- Diabetes Program, Harvard Stem Cell Institute, Cambridge MA 02138
| | - Peng Yi
- Section for Islet Cell and Regenerative Biology, Joslin Diabetes Center, Boston, MA 02215
- Department of Medicine, Harvard Medical School, Boston MA 02115
- Diabetes Program, Harvard Stem Cell Institute, Cambridge MA 02138
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9
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Wang J, Deng G, Wang S, Li S, Song P, Lin K, Xu X, He Z. Enhancing regenerative medicine: the crucial role of stem cell therapy. Front Neurosci 2024; 18:1269577. [PMID: 38389789 PMCID: PMC10881826 DOI: 10.3389/fnins.2024.1269577] [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: 07/30/2023] [Accepted: 01/23/2024] [Indexed: 02/24/2024] Open
Abstract
Stem cells offer new therapeutic avenues for the repair and replacement of damaged tissues and organs owing to their self-renewal and multipotent differentiation capabilities. In this paper, we conduct a systematic review of the characteristics of various types of stem cells and offer insights into their potential applications in both cellular and cell-free therapies. In addition, we provide a comprehensive summary of the technical routes of stem cell therapy and discuss in detail current challenges, including safety issues and differentiation control. Although some issues remain, stem cell therapy demonstrates excellent potential in the field of regenerative medicine and provides novel tactics and methodologies for managing a wider spectrum of illnesses and traumas.
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Affiliation(s)
- Jipeng Wang
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Gang Deng
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shuyi Wang
- Department of Gastrointestinal Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Shuang Li
- Department of Otorhinolaryngology-Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Peng Song
- Department of Otorhinolaryngology-Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Kun Lin
- Department of Otorhinolaryngology-Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Xiaoxiang Xu
- Department of Otorhinolaryngology-Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Zuhong He
- Department of Otorhinolaryngology-Head and Neck Surgery, Zhongnan Hospital of Wuhan University, Wuhan, China
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10
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Mehta JM, Hiremath SC, Chilimba C, Ghasemi A, Weaver JD. Translation of cell therapies to treat autoimmune disorders. Adv Drug Deliv Rev 2024; 205:115161. [PMID: 38142739 PMCID: PMC10843859 DOI: 10.1016/j.addr.2023.115161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 12/05/2023] [Accepted: 12/15/2023] [Indexed: 12/26/2023]
Abstract
Autoimmune diseases are a diverse and complex set of chronic disorders with a substantial impact on patient quality of life and a significant global healthcare burden. Current approaches to autoimmune disease treatment comprise broadly acting immunosuppressive drugs that lack disease specificity, possess limited efficacy, and confer undesirable side effects. Additionally, there are limited treatments available to restore organs and tissues damaged during the course of autoimmune disease progression. Cell therapies are an emergent area of therapeutics with the potential to address both autoimmune disease immune dysfunction as well as autoimmune disease-damaged tissue and organ systems. In this review, we discuss the pathogenesis of common autoimmune disorders and the state-of-the-art in cell therapy approaches to (1) regenerate or replace autoimmune disease-damaged tissue and (2) eliminate pathological immune responses in autoimmunity. Finally, we discuss critical considerations for the translation of cell products to the clinic.
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Affiliation(s)
- Jinal M Mehta
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - Shivani C Hiremath
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - Chishiba Chilimba
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - Azin Ghasemi
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA
| | - Jessica D Weaver
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, AZ, USA.
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11
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Schmidt MD, Ishahak M, Augsornworawat P, Millman JR. Comparative and integrative single cell analysis reveals new insights into the transcriptional immaturity of stem cell-derived β cells. BMC Genomics 2024; 25:105. [PMID: 38267908 PMCID: PMC10807170 DOI: 10.1186/s12864-024-10013-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: 11/30/2023] [Accepted: 01/14/2024] [Indexed: 01/26/2024] Open
Abstract
Diabetes cell replacement therapy has the potential to be transformed by human pluripotent stem cell-derived β cells (SC-β cells). However, the precise identity of SC-β cells in relationship to primary fetal and adult β-cells remains unclear. Here, we used single-cell sequencing datasets to characterize the transcriptional identity of islets from in vitro differentiation, fetal islets, and adult islets. Our analysis revealed that SC-β cells share a core β-cell transcriptional identity with human adult and fetal β-cells, however SC-β cells possess a unique transcriptional profile characterized by the persistent expression and activation of progenitor and neural-biased gene networks. These networks are present in SC-β cells, irrespective of the derivation protocol used. Notably, fetal β-cells also exhibit this neural signature at the transcriptional level. Our findings offer insights into the transcriptional identity of SC-β cells and underscore the need for further investigation of the role of neural transcriptional networks in their development.
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Affiliation(s)
- Mason D Schmidt
- Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, MSC 8127-057-08, 660 South Euclid Avenue, St. Louis, MO, 63110, USA
| | - Matthew Ishahak
- Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, MSC 8127-057-08, 660 South Euclid Avenue, St. Louis, MO, 63110, USA
| | - Punn Augsornworawat
- Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, MSC 8127-057-08, 660 South Euclid Avenue, St. Louis, MO, 63110, USA
- Department of Biomedical Engineering, Washington University in St. Louis, 1 Brookings Drive, St. Louis, MO, 63130, USA
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, 10700, Thailand
| | - Jeffrey R Millman
- Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, MSC 8127-057-08, 660 South Euclid Avenue, St. Louis, MO, 63110, USA.
- Department of Biomedical Engineering, Washington University in St. Louis, 1 Brookings Drive, St. Louis, MO, 63130, USA.
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12
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D'Addio F, Assi E, Maestroni A, Rossi G, Usuelli V, Petrazzuolo A, Nardini M, Loretelli C, Ben Nasr M, Fiorina P. TMEM219 regulates the transcription factor expression and proliferation of beta cells. Front Endocrinol (Lausanne) 2024; 15:1306127. [PMID: 38318298 PMCID: PMC10839017 DOI: 10.3389/fendo.2024.1306127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 01/03/2024] [Indexed: 02/07/2024] Open
Abstract
Pancreatic beta cells replenishment is considered the next therapeutic option for type 1 diabetes; while stimulating endogenous beta cells proliferation is the "holy grail" for those patients with exhausted beta cell mass. Here we are demonstrating that the pro-apoptotic receptor TMEM219 is expressed in fetal pancreas, in beta cell precursors and in in vitro embryonic-derived endocrine progenitors. TMEM219 signaling negatively regulates beta cells at early stages and induces Caspase 8-mediated cell death. Pharmacological blockade of TMEM219 further rescued beta cell precursor and proliferation markers, and decreased cell death, both in islets and in in vitro-derived endocrine progenitors, allowing for beta cell preservation. While addressing the upstream controlling TMEM219 expression, we determined the TMEM219 miRNet; indeed, one of those miRNAs, miR-129-2, is highly expressed in human islets, particularly in patients at risk or with established type 1 diabetes. miR-129-2 mimic downregulated TMEM219 expression in islets, in in vitro embryonic-derived endocrine progenitors and in highly proliferating insulinoma-derived cells. Moreover, miR-129-2 inhibitor induced a TMEM219 overexpression in insulinoma-derived cells, which restored cell proliferation and functional markers, thus acting as endogenous regulator of TMEM219 expression. The TMEM219 upstream regulator miR129-2 controls the fate of beta cell precursors and may unleash their regenerative potentials to replenish beta cells in type 1 diabetes.
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Affiliation(s)
- Francesca D'Addio
- International Center for Type 1 Diabetes (T1D), Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Sciences (DIBIC), Università di Milano, Milan, Italy
- Division of Endocrinology, ASST Fatebenefratelli-Sacco, Milan, Italy
| | - Emma Assi
- International Center for Type 1 Diabetes (T1D), Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Sciences (DIBIC), Università di Milano, Milan, Italy
| | - Anna Maestroni
- International Center for Type 1 Diabetes (T1D), Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Sciences (DIBIC), Università di Milano, Milan, Italy
| | - Giada Rossi
- International Center for Type 1 Diabetes (T1D), Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Sciences (DIBIC), Università di Milano, Milan, Italy
| | - Vera Usuelli
- International Center for Type 1 Diabetes (T1D), Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Sciences (DIBIC), Università di Milano, Milan, Italy
| | - Adriana Petrazzuolo
- International Center for Type 1 Diabetes (T1D), Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Sciences (DIBIC), Università di Milano, Milan, Italy
| | - Marta Nardini
- International Center for Type 1 Diabetes (T1D), Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Sciences (DIBIC), Università di Milano, Milan, Italy
- Nephrology Division, Boston Children's Hospital and Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Cristian Loretelli
- International Center for Type 1 Diabetes (T1D), Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Sciences (DIBIC), Università di Milano, Milan, Italy
| | - Moufida Ben Nasr
- International Center for Type 1 Diabetes (T1D), Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Sciences (DIBIC), Università di Milano, Milan, Italy
- Nephrology Division, Boston Children's Hospital and Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
| | - Paolo Fiorina
- International Center for Type 1 Diabetes (T1D), Pediatric Clinical Research Center Romeo ed Enrica Invernizzi, Department of Biomedical and Clinical Sciences (DIBIC), Università di Milano, Milan, Italy
- Division of Endocrinology, ASST Fatebenefratelli-Sacco, Milan, Italy
- Nephrology Division, Boston Children's Hospital and Transplantation Research Center, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, United States
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13
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Wildey A, Harrington S, Stehno-Bittel L, Karanu F. Reduction of Activin A gives rise to comparable expression of key definitive endoderm and mature beta cell markers. Regen Med 2024; 19:47-63. [PMID: 38240144 DOI: 10.2217/rme-2023-0187] [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] [Indexed: 02/10/2024] Open
Abstract
Aim: Cell therapies for diabetes rely on differentiation of stem cells into insulin-producing cells, which is complex and expensive. Our goal was to evaluate production costs and test ways to reduce it. Methods: Cost of Goods (COGs) analysis for differentiation was completed and the effects of replacement or reduction of the most expensive item was tested using qRT-PCR, immunohistochemistry, flow cytometry along with glucose-stimulated insulin release. Results: Activin A (AA) was responsible for significant cost. Replacement with small molecules failed to form definitive endoderm (DE). Reducing AA by 50% did not negatively affect expression of beta cell markers. Conclusion: Reduction of AA concentration is feasible without adversely affecting DE and islet-like cell differentiation, leading to significant cost savings in manufacturing.
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Affiliation(s)
| | | | - Lisa Stehno-Bittel
- Likarda LLC, Kansas City, MO 64137, USA
- University of Kansas Medical Center, Kansas City, KS, USA
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14
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Schäfer-Korting M. Looking to the Future: Drug Delivery and Targeting in the Prophylaxis and Therapy of Severe and Chronic Diseases. Handb Exp Pharmacol 2024; 284:389-411. [PMID: 37861719 DOI: 10.1007/164_2023_696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
High molecular weight actives and cell-based therapy have the potential to revolutionize the prophylaxis and therapy of severe diseases. Yet, the size and nature of the agents - proteins, nucleic acids, cells - challenge drug delivery and thus formulation development. Moreover, off-target effects may result in severe adverse drug reactions. This makes delivery and targeting an essential component of high-end drug development. Loading to nanoparticles facilitates delivery and enables targeted mRNA vaccines and tumor therapeutics. Stem cell therapy opens up a new horizon in diabetes type 1 among other domains which may enhance the quality of life and life expectancy. Cell encapsulation protects transplants against the recipient's immune system, may ensure long-term efficacy, avoid severe adverse reactions, and simplify the management of rare and fatal diseases.The knowledge gained so far encourages to widen the spectrum of potential indications. Co-development of the active agent and the vehicle has the potential to accelerate drug research. One recommended starting point is the use of computational approaches. Transferability of preclinical data to humans will benefit from performing studies first on validated human 3D disease models reflecting the target tissue, followed by studies on validated animal models. This makes approaching a new level in drug development a multidisciplinary but ultimately worthwhile and attainable challenge. Intense monitoring of the patients after drug approval and periodic reporting to physicians and scientists remain essential for the safe use of drugs especially in rare diseases and pave future research.
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15
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Pollock SD, Galicia-Silva IM, Liu M, Gruskin ZL, Alvarez-Dominguez JR. Scalable generation of 3D pancreatic islet organoids from human pluripotent stem cells in suspension bioreactors. STAR Protoc 2023; 4:102580. [PMID: 37738117 PMCID: PMC10519857 DOI: 10.1016/j.xpro.2023.102580] [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: 06/05/2023] [Revised: 07/24/2023] [Accepted: 08/28/2023] [Indexed: 09/24/2023] Open
Abstract
Here, we present a protocol for producing 3D pancreatic-like organoids from human pluripotent stem cells in suspension bioreactors. We describe scalable techniques for generating 10,000-100,000 organoids that further mature in 4-5 weeks into α- and β-like cells with glucose-responsive insulin and glucagon release. We detail procedures for culturing, passaging, and cryopreserving stem cells as suspended clusters and specify growth media and differentiation factors for differentiation. Finally, we discuss functional assays for research applications. For complete details on the use and execution of this protocol, please refer to Alvarez-Dominguez et al.1.
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Affiliation(s)
- Samuel D Pollock
- Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA; Institute for Regenerative Medicine and Institute for Diabetes, Obesity and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA.
| | - Israeli M Galicia-Silva
- Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA; Institute for Regenerative Medicine and Institute for Diabetes, Obesity and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Mai Liu
- Institute for Regenerative Medicine and Institute for Diabetes, Obesity and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA; Department of Bioengineering, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Zoe L Gruskin
- Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA; Institute for Regenerative Medicine and Institute for Diabetes, Obesity and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Juan R Alvarez-Dominguez
- Department of Cell and Developmental Biology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA; Institute for Regenerative Medicine and Institute for Diabetes, Obesity and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA.
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16
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Iqbal W, Wang Y, Sun P, Zhou X. Modeling Liver Development and Disease in a Dish. Int J Mol Sci 2023; 24:15921. [PMID: 37958904 PMCID: PMC10650907 DOI: 10.3390/ijms242115921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/19/2023] [Accepted: 10/23/2023] [Indexed: 11/15/2023] Open
Abstract
Historically, biological research has relied primarily on animal models. While this led to the understanding of numerous human biological processes, inherent species-specific differences make it difficult to answer certain liver-related developmental and disease-specific questions. The advent of 3D organoid models that are either derived from pluripotent stem cells or generated from healthy or diseased tissue-derived stem cells have made it possible to recapitulate the biological aspects of human organs. Organoid technology has been instrumental in understanding the disease mechanism and complements animal models. This review underscores the advances in organoid technology and specifically how liver organoids are used to better understand human-specific biological processes in development and disease. We also discuss advances made in the application of organoid models in drug screening and personalized medicine.
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Affiliation(s)
- Waqas Iqbal
- Stem Cell Research Center, Shantou University Medical College, Shantou 515041, China; (W.I.); (Y.W.); (P.S.)
- Research Center for Reproductive Medicine, Shantou University Medical College, Shantou 515041, China
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou 515041, China
| | - Yaru Wang
- Stem Cell Research Center, Shantou University Medical College, Shantou 515041, China; (W.I.); (Y.W.); (P.S.)
- Research Center for Reproductive Medicine, Shantou University Medical College, Shantou 515041, China
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou 515041, China
| | - Pingnan Sun
- Stem Cell Research Center, Shantou University Medical College, Shantou 515041, China; (W.I.); (Y.W.); (P.S.)
- Research Center for Reproductive Medicine, Shantou University Medical College, Shantou 515041, China
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou 515041, China
| | - Xiaoling Zhou
- Stem Cell Research Center, Shantou University Medical College, Shantou 515041, China; (W.I.); (Y.W.); (P.S.)
- Research Center for Reproductive Medicine, Shantou University Medical College, Shantou 515041, China
- Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Shantou University Medical College, Shantou 515041, China
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17
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Quattrin T, Mastrandrea LD, Walker LSK. Type 1 diabetes. Lancet 2023; 401:2149-2162. [PMID: 37030316 DOI: 10.1016/s0140-6736(23)00223-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 12/03/2022] [Accepted: 01/26/2023] [Indexed: 04/10/2023]
Abstract
Type 1 diabetes is a chronic disease caused by autoimmune destruction of pancreatic β cells. Individuals with type 1 diabetes are reliant on insulin for survival. Despite enhanced knowledge related to the pathophysiology of the disease, including interactions between genetic, immune, and environmental contributions, and major strides in treatment and management, disease burden remains high. Studies aimed at blocking the immune attack on β cells in people at risk or individuals with very early onset type 1 diabetes show promise in preserving endogenous insulin production. This Seminar will review the field of type 1 diabetes, highlighting recent progress within the past 5 years, challenges to clinical care, and future directions in research, including strategies to prevent, manage, and cure the disease.
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Affiliation(s)
- Teresa Quattrin
- Department of Pediatrics, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA; Diabetes Center, John R Oishei Children's Hospital, Buffalo, NY, USA.
| | - Lucy D Mastrandrea
- Department of Pediatrics, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA; Diabetes Center, John R Oishei Children's Hospital, Buffalo, NY, USA
| | - Lucy S K Walker
- Institute of Immunity and Transplantation, Division of Infection and Immunity, University College London, London, UK
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18
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Hogrebe NJ, Ishahak M, Millman JR. Developments in stem cell-derived islet replacement therapy for treating type 1 diabetes. Cell Stem Cell 2023; 30:530-548. [PMID: 37146579 PMCID: PMC10167558 DOI: 10.1016/j.stem.2023.04.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 03/20/2023] [Accepted: 04/05/2023] [Indexed: 05/07/2023]
Abstract
The generation of islet-like endocrine clusters from human pluripotent stem cells (hPSCs) has the potential to provide an unlimited source of insulin-producing β cells for the treatment of diabetes. In order for this cell therapy to become widely adopted, highly functional and well-characterized stem cell-derived islets (SC-islets) need to be manufactured at scale. Furthermore, successful SC-islet replacement strategies should prevent significant cell loss immediately following transplantation and avoid long-term immune rejection. This review highlights the most recent advances in the generation and characterization of highly functional SC-islets as well as strategies to ensure graft viability and safety after transplantation.
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Affiliation(s)
- Nathaniel J Hogrebe
- Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, MSC 8127-057-08, 660 South Euclid Avenue, St. Louis, MO 63130, USA.
| | - Matthew Ishahak
- Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, MSC 8127-057-08, 660 South Euclid Avenue, St. Louis, MO 63130, USA
| | - Jeffrey R Millman
- Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, MSC 8127-057-08, 660 South Euclid Avenue, St. Louis, MO 63130, USA; Department of Biomedical Engineering, Washington University in St. Louis, 1 Brookings Drive, St. Louis, MO 63130, USA.
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19
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Gravina A, Tediashvili G, Rajalingam R, Quandt Z, Deisenroth C, Schrepfer S, Deuse T. Protection of cell therapeutics from antibody-mediated killing by CD64 overexpression. Nat Biotechnol 2023; 41:717-727. [PMID: 36593395 PMCID: PMC10188358 DOI: 10.1038/s41587-022-01540-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Accepted: 10/03/2022] [Indexed: 01/03/2023]
Abstract
Allogeneic cell therapeutics for cancer therapy or regenerative medicine are susceptible to antibody-mediated killing, which diminishes their efficacy. Here we report a strategy to protect cells from antibody-mediated killing that relies on engineered overexpression of the IgG receptor CD64. We show that human and mouse iPSC-derived endothelial cells (iECs) overexpressing CD64 escape antibody-dependent cellular cytotoxicity (ADCC) and complement-dependent cytotoxicity from IgG antibodies in vitro and in ADCC-enabled mice. When CD64 expression was combined with hypoimmune genetic modifications known to protect against cellular immunity, B2M-/-CIITA-/- CD47/CD64-transgenic iECs were resistant to both IgG antibody-mediated and cellular immune killing in vitro and in humanized mice. Mechanistic studies demonstrated that CD64 or its intracellularly truncated analog CD64t effectively capture monomeric IgG and occupy their Fc, and the IgG bind and occupy their target antigens. In three applications of the approach, human CD64t-engineered thyroid epithelial cells, pancreatic beta cells and CAR T cells withstood clinically relevant levels of graft-directed antibodies and fully evaded antibody-mediated killing.
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Affiliation(s)
- Alessia Gravina
- Transplant and Stem Cell Immunobiology (TSI) Laboratory, Department of Surgery, University of California, San Francisco, San Francisco, CA, USA
| | - Grigol Tediashvili
- Transplant and Stem Cell Immunobiology (TSI) Laboratory, Department of Surgery, University of California, San Francisco, San Francisco, CA, USA
| | - Raja Rajalingam
- Immunogenetics and Transplantation Laboratory, Department of Surgery, University of California, San Francisco, San Francisco, CA, USA
| | - Zoe Quandt
- Department of Medicine, Division of Diabetes, Endocrinology and Metabolism, University of California, San Francisco, San Francisco, CA, USA
| | - Chad Deisenroth
- United States Environmental Protection Agency, Center for Computational Toxicology & Exposure, Durham, NC, USA
| | - Sonja Schrepfer
- Transplant and Stem Cell Immunobiology (TSI) Laboratory, Department of Surgery, University of California, San Francisco, San Francisco, CA, USA
| | - Tobias Deuse
- Transplant and Stem Cell Immunobiology (TSI) Laboratory, Department of Surgery, University of California, San Francisco, San Francisco, CA, USA.
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20
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Huang X, Gu W, Zhang J, Lan Y, Colarusso JL, Li S, Pertl C, Lu J, Kim H, Zhu J, Breault DT, Sévigny J, Zhou Q. Stomach-derived human insulin-secreting organoids restore glucose homeostasis. Nat Cell Biol 2023; 25:778-786. [PMID: 37106062 DOI: 10.1038/s41556-023-01130-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 03/15/2023] [Indexed: 04/29/2023]
Abstract
Gut stem cells are accessible by biopsy and propagate robustly in culture, offering an invaluable resource for autologous cell therapies. Insulin-producing cells can be induced in mouse gut, but it has not been possible to generate abundant and durable insulin-secreting cells from human gut tissues to evaluate their potential as a cell therapy for diabetes. Here we describe a protocol to differentiate cultured human gastric stem cells into pancreatic islet-like organoids containing gastric insulin-secreting (GINS) cells that resemble β-cells in molecular hallmarks and function. Sequential activation of the inducing factors NGN3 and PDX1-MAFA led human gastric stem cells onto a distinctive differentiation path, including a SOX4High endocrine and GalaninHigh GINS precursor, before adopting β-cell identity, at efficiencies close to 70%. GINS organoids acquired glucose-stimulated insulin secretion in 10 days and restored glucose homeostasis for over 100 days in diabetic mice after transplantation, providing proof of concept for a promising approach to treat diabetes.
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Affiliation(s)
- Xiaofeng Huang
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Wei Gu
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jiaoyue Zhang
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Ying Lan
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jonathan L Colarusso
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Sanlan Li
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Christoph Pertl
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jiaqi Lu
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Hyunkee Kim
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Jian Zhu
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - David T Breault
- Division of Endocrinology, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Boston, MA, USA
- Harvard Stem Cell Institute, Cambridge, MA, USA
| | - Jean Sévigny
- Département de Microbiologie-Infectiologie et d'Immunologie, Faculté de Médecine, Université Laval, Quebec City, Quebec, Canada
- Centre de recherche du CHU de Québec-Université Laval, Quebec City, Quebec, Canada
| | - Qiao Zhou
- Division of Regenerative Medicine and Hartman Institute for Therapeutic Organ Regeneration, Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
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21
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Jiang H, Jiang FX. Human pluripotent stem cell-derived β cells: Truly immature islet β cells for type 1 diabetes therapy? World J Stem Cells 2023; 15:182-195. [PMID: 37180999 PMCID: PMC10173812 DOI: 10.4252/wjsc.v15.i4.182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/30/2023] [Accepted: 03/20/2023] [Indexed: 04/26/2023] Open
Abstract
A century has passed since the Nobel Prize winning discovery of insulin, which still remains the mainstay treatment for type 1 diabetes mellitus (T1DM) to this day. True to the words of its discoverer Sir Frederick Banting, “insulin is not a cure for diabetes, it is a treatment”, millions of people with T1DM are dependent on daily insulin medications for life. Clinical donor islet transplantation has proven that T1DM is curable, however due to profound shortages of donor islets, it is not a mainstream treatment option for T1DM. Human pluripotent stem cell derived insulin-secreting cells, pervasively known as stem cell-derived β cells (SC-β cells), are a promising alternative source and have the potential to become a T1DM treatment through cell replacement therapy. Here we briefly review how islet β cells develop and mature in vivo and several types of reported SC-β cells produced using different ex vivo protocols in the last decade. Although some markers of maturation were expressed and glucose stimulated insulin secretion was shown, the SC-β cells have not been directly compared to their in vivo counterparts, generally have limited glucose response, and are not yet fully matured. Due to the presence of extra-pancreatic insulin-expressing cells, and ethical and technological issues, further clarification of the true nature of these SC-β cells is required.
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Affiliation(s)
- Helen Jiang
- Sir Charles Gairdner Hospital, University of Western Australia, Perth 6009, Australia
| | - Fang-Xu Jiang
- School of Biomedical Sciences, University of Western Australia, Perth 6009, Australia
- School of Health and Medical Sciences, Edith Cowan University, Perth 6027, Australia
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22
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Alsup AM, Fowlds K, Cho M, Luber JM. BetaBuddy: An end-to-end computer vision pipeline for the automated analysis of insulin secreting β-cells. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.06.535890. [PMID: 37066375 PMCID: PMC10104060 DOI: 10.1101/2023.04.06.535890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
Insulin secretion from pancreatic β-cells is integral in maintaining the delicate equilibrium of blood glucose levels. Calcium is known to be a key regulator and triggers the release of insulin. This sub-cellular process can be monitored and tracked through live-cell imaging and subsequent cell segmentation, registration, tracking, and analysis of the calcium level in each cell. Current methods of analysis typically require the manual outlining of β-cells, involve multiple software packages, and necessitate multiple researchers - all of which tend to introduce biases. Utilizing deep learning algorithms, we have therefore created a pipeline to automatically segment and track thousands of cells, which greatly reduces the time required to gather and analyze a large number of sub-cellular images and improve accuracy. Tracking cells over a time-series image stack also allows researchers to isolate specific calcium spiking patterns and spatially identify those of interest, creating an efficient and user-friendly analysis tool. Using our automated pipeline, a previous dataset used to evaluate changes in calcium spiking activity in β-cells post-electric field stimulation was reanalyzed. Changes in spiking activity were found to be underestimated previously with manual segmentation. Moreover, the machine learning pipeline provides a powerful and rapid computational approach to examine, for example, how calcium signaling is regulated by intracellular interactions in a cluster of β-cells.
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Affiliation(s)
- Anne M. Alsup
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States of America
| | - Kelli Fowlds
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States of America
| | - Michael Cho
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States of America
| | - Jacob M. Luber
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States of America
- Department of Computer Science and Engineering, University of Texas at Arlington, Arlington, TX, United States of America
- Multi-Interprofessional Center for Health Informatics, University of Texas at Arlington, Arlington, TX, United States of America
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23
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Kozlowski MT, Zook HN, Chigumba DN, Johnstone CP, Caldera LF, Shih HP, Tirrell DA, Ku HT. A matrigel-free method for culture of pancreatic endocrine-like cells in defined protein-based hydrogels. Front Bioeng Biotechnol 2023; 11:1144209. [PMID: 36970620 PMCID: PMC10033864 DOI: 10.3389/fbioe.2023.1144209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 02/27/2023] [Indexed: 03/12/2023] Open
Abstract
The transplantation of pancreatic endocrine islet cells from cadaveric donors is a promising treatment for type 1 diabetes (T1D), which is a chronic autoimmune disease that affects approximately nine million people worldwide. However, the demand for donor islets outstrips supply. This problem could be solved by differentiating stem and progenitor cells to islet cells. However, many current culture methods used to coax stem and progenitor cells to differentiate into pancreatic endocrine islet cells require Matrigel, a matrix composed of many extracellular matrix (ECM) proteins secreted from a mouse sarcoma cell line. The undefined nature of Matrigel makes it difficult to determine which factors drive stem and progenitor cell differentiation and maturation. Additionally, it is difficult to control the mechanical properties of Matrigel without altering its chemical composition. To address these shortcomings of Matrigel, we engineered defined recombinant proteins roughly 41 kDa in size, which contain cell-binding ECM peptides derived from fibronectin (ELYAVTGRGDSPASSAPIA) or laminin alpha 3 (PPFLMLLKGSTR). The engineered proteins form hydrogels through association of terminal leucine zipper domains derived from rat cartilage oligomeric matrix protein. The zipper domains flank elastin-like polypeptides whose lower critical solution temperature (LCST) behavior enables protein purification through thermal cycling. Rheological measurements show that a 2% w/v gel of the engineered proteins display material behavior comparable to a Matrigel/methylcellulose-based culture system previously reported by our group to support the growth of pancreatic ductal progenitor cells. We tested whether our protein hydrogels in 3D culture could derive endocrine and endocrine progenitor cells from dissociated pancreatic cells of young (1-week-old) mice. We found that both protein hydrogels favored growth of endocrine and endocrine progenitor cells, in contrast to Matrigel-based culture. Because the protein hydrogels described here can be further tuned with respect to mechanical and chemical properties, they provide new tools for mechanistic study of endocrine cell differentiation and maturation.
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Affiliation(s)
- Mark T. Kozlowski
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, United States
| | - Heather N. Zook
- Department of Translational Research and Cellular Therapeutics, Arthur Riggs Diabetes and Metabolism Research Institute and Beckman Research Institute of City of Hope, Duarte, CA, United States
- The Irell and Manella Graduate School of Biological Sciences, City of Hope, Duarte, CA, United States
| | - Desnor N. Chigumba
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, United States
| | - Christopher P. Johnstone
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, United States
| | - Luis F. Caldera
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, United States
| | - Hung-Ping Shih
- Department of Translational Research and Cellular Therapeutics, Arthur Riggs Diabetes and Metabolism Research Institute and Beckman Research Institute of City of Hope, Duarte, CA, United States
- The Irell and Manella Graduate School of Biological Sciences, City of Hope, Duarte, CA, United States
| | - David A. Tirrell
- Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA, United States
| | - Hsun Teresa Ku
- Department of Translational Research and Cellular Therapeutics, Arthur Riggs Diabetes and Metabolism Research Institute and Beckman Research Institute of City of Hope, Duarte, CA, United States
- The Irell and Manella Graduate School of Biological Sciences, City of Hope, Duarte, CA, United States
- *Correspondence: Hsun Teresa Ku,
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24
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Directed self-assembly of a xenogeneic vascularized endocrine pancreas for type 1 diabetes. Nat Commun 2023; 14:878. [PMID: 36797282 PMCID: PMC9935529 DOI: 10.1038/s41467-023-36582-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 02/06/2023] [Indexed: 02/18/2023] Open
Abstract
Intrahepatic islet transplantation is the standard cell therapy for β cell replacement. However, the shortage of organ donors and an unsatisfactory engraftment limit its application to a selected patients with type 1 diabetes. There is an urgent need to identify alternative strategies based on an unlimited source of insulin producing cells and innovative scaffolds to foster cell interaction and integration to orchestrate physiological endocrine function. We previously proposed the use of decellularized lung as a scaffold for β cell replacement with the final goal of engineering a vascularized endocrine organ. Here, we prototyped this technology with the integration of neonatal porcine islet and healthy subject-derived blood outgrowth endothelial cells to engineer a xenogeneic vascularized endocrine pancreas. We validated ex vivo cell integration and function, its engraftment and performance in a preclinical model of diabetes. Results showed that this technology not only is able to foster neonatal pig islet maturation in vitro, but also to perform in vivo immediately upon transplantation and for over 18 weeks, compared to normal performance within 8 weeks in various state of the art preclinical models. Given the recent progress in donor pig genetic engineering, this technology may enable the assembly of immune-protected functional endocrine organs.
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25
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Liu T, Zou X, Ruze R, Xu Q. Bariatric Surgery: Targeting pancreatic β cells to treat type II diabetes. Front Endocrinol (Lausanne) 2023; 14:1031610. [PMID: 36875493 PMCID: PMC9975540 DOI: 10.3389/fendo.2023.1031610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 01/19/2023] [Indexed: 02/17/2023] Open
Abstract
Pancreatic β-cell function impairment and insulin resistance are central to the development of obesity-related type 2 diabetes mellitus (T2DM). Bariatric surgery (BS) is a practical treatment approach to treat morbid obesity and achieve lasting T2DM remission. Traditionally, sustained postoperative glycemic control was considered a direct result of decreased nutrient intake and weight loss. However, mounting evidence in recent years implicated a weight-independent mechanism that involves pancreatic islet reconstruction and improved β-cell function. In this article, we summarize the role of β-cell in the pathogenesis of T2DM, review recent research progress focusing on the impact of Roux-en-Y gastric bypass (RYGB) and vertical sleeve gastrectomy (VSG) on pancreatic β-cell pathophysiology, and finally discuss therapeutics that have the potential to assist in the treatment effect of surgery and prevent T2D relapse.
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Affiliation(s)
- Tiantong Liu
- Department of General Surgery, Peking Union Medical College Hospital, Beijing, China
- School of Medicine, Tsinghua University, Beijing, China
| | - Xi Zou
- Department of General Surgery, Peking Union Medical College Hospital, Beijing, China
- Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Rexiati Ruze
- Department of General Surgery, Peking Union Medical College Hospital, Beijing, China
- Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qiang Xu
- Department of General Surgery, Peking Union Medical College Hospital, Beijing, China
- *Correspondence: Qiang Xu,
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Abstract
Metabolic diseases, including obesity, diabetes mellitus and cardiovascular disease, are a major threat to health in the modern world, but efforts to understand the underlying mechanisms and develop rational treatments are limited by the lack of appropriate human model systems. Notably, advances in stem cell and organoid technology allow the generation of cellular models that replicate the histological, molecular and physiological properties of human organs. Combined with marked improvements in gene editing tools, human stem cells and organoids provide unprecedented systems for studying mechanisms of metabolic diseases. Here, we review progress made over the past decade in the generation and use of stem cell-derived metabolic cell types and organoids in metabolic disease research, especially obesity and liver diseases. In particular, we discuss the limitations of animal models and the advantages of stem cells and organoids, including their application to metabolic diseases. We also discuss mechanisms of drug action, understanding the efficacy and toxicity of existing therapies, screening for new treatments and pursuing personalized therapies. We highlight the potential of combining stem cell-derived organoids with gene editing and functional genomics to revolutionize the approach to finding treatments for metabolic diseases.
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Affiliation(s)
- Wenxiang Hu
- Department of Basic Research, Guangzhou Laboratory, Guangdong, China.
- Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
| | - Mitchell A Lazar
- Institute for Diabetes, Obesity, and Metabolism, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
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Berney T, Wassmer CH, Lebreton F, Bellofatto K, Fonseca LM, Bignard J, Hanna R, Peloso A, Berishvili E. From islet of Langerhans transplantation to the bioartificial pancreas. Presse Med 2022; 51:104139. [PMID: 36202182 DOI: 10.1016/j.lpm.2022.104139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Accepted: 09/29/2022] [Indexed: 11/09/2022] Open
Abstract
Type 1 diabetes is a disease resulting from autoimmune destruction of the insulin-producing beta cells in the pancreas. When type 1 diabetes develops into severe secondary complications, in particular end-stage nephropathy, or life-threatening severe hypoglycemia, the best therapeutic approach is pancreas transplantation, or more recently transplantation of the pancreatic islets of Langerhans. Islet transplantation is a cell therapy procedure, that is minimally invasive and has a low morbidity, but does not display the same rate of functional success as the more invasive pancreas transplantation because of suboptimal engraftment and survival. Another issue is that pancreas or islet transplantation (collectively known as beta cell replacement therapy) is limited by the shortage of organ donors and by the need for lifelong immunosuppression to prevent immune rejection and recurrence of autoimmunity. A bioartificial pancreas is a construct made of functional, insulin-producing tissue, embedded in an anti-inflammatory, immunomodulatory microenvironment and encapsulated in a perm-selective membrane allowing glucose sensing and insulin release, but isolating from attacks by cells of the immune system. A successful bioartificial pancreas would address the issues of engraftment, survival and rejection. Inclusion of unlimited sources of insulin-producing cells, such as xenogeneic porcine islets or stem cell-derived beta cells would further solve the problem of organ shortage. This article reviews the current status of clinical islet transplantation, the strategies aiming at developing a bioartificial pancreas, the clinical trials conducted in the field and the perspectives for further progress.
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Affiliation(s)
- Thierry Berney
- Cell Isolation and Transplantation Center, Department of Surgery, University of Geneva School of Medicine, Geneva, Switzerland; Division of Transplantation, Department of Surgery, University of Geneva Hospitals, Geneva, Switzerland; Faculty Diabetes Center, University of Geneva School of Medicine, Geneva, Switzerland; Department of Surgery, School of Medicine and Natural Sciences, Ilia State University, Tbilisi, Georgia
| | - Charles H Wassmer
- Cell Isolation and Transplantation Center, Department of Surgery, University of Geneva School of Medicine, Geneva, Switzerland; Division of Transplantation, Department of Surgery, University of Geneva Hospitals, Geneva, Switzerland
| | - Fanny Lebreton
- Cell Isolation and Transplantation Center, Department of Surgery, University of Geneva School of Medicine, Geneva, Switzerland
| | - Kevin Bellofatto
- Cell Isolation and Transplantation Center, Department of Surgery, University of Geneva School of Medicine, Geneva, Switzerland
| | - Laura Mar Fonseca
- Cell Isolation and Transplantation Center, Department of Surgery, University of Geneva School of Medicine, Geneva, Switzerland; Division of Transplantation, Department of Surgery, University of Geneva Hospitals, Geneva, Switzerland
| | - Juliette Bignard
- Cell Isolation and Transplantation Center, Department of Surgery, University of Geneva School of Medicine, Geneva, Switzerland
| | - Reine Hanna
- Cell Isolation and Transplantation Center, Department of Surgery, University of Geneva School of Medicine, Geneva, Switzerland
| | - Andrea Peloso
- Division of Transplantation, Department of Surgery, University of Geneva Hospitals, Geneva, Switzerland
| | - Ekaterine Berishvili
- Cell Isolation and Transplantation Center, Department of Surgery, University of Geneva School of Medicine, Geneva, Switzerland; Faculty Diabetes Center, University of Geneva School of Medicine, Geneva, Switzerland; Institute of Medical and Public Health Research, Ilia State University, Tbilisi, Georgia.
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28
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Paul PK, Das R, Drow T, Nylen EA, de Souza AH, Wang Z, Wood MW, Davis DB, Bjorling DE, Galipeau J. Islet allografts expressing a PD-L1 and IDO fusion protein evade immune rejection and reverse preexisting diabetes in immunocompetent mice without systemic immunosuppression. Am J Transplant 2022; 22:2571-2585. [PMID: 35897156 PMCID: PMC9804298 DOI: 10.1111/ajt.17162] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 06/19/2022] [Accepted: 07/19/2022] [Indexed: 01/25/2023]
Abstract
Allogeneic islet transplantation is a promising experimental therapy for poorly controlled diabetes. Despite pharmacological immunosuppression, long-term islet engraftment remains elusive. Here, we designed a synthetic fusion transgene coupling PD-L1 and indoleamine dioxygenase [hereafter PIDO] whose constitutive expression prevents immune destruction of genetically engineered islet allograft transplanted in immunocompetent mice. PIDO expressing murine islets maintain robust dynamic insulin secretion in vitro and when transplanted in allogeneic hyperglycemic murine recipients reverse pre-existing streptozotocin-induced and autoimmune diabetes in the absence of pharmacological immunosuppression for more than 50 and 8 weeks, respectively, and is dependent on host CD4 competence. Additionally, PIDO expression in allografts preserves endocrine functional viability of islets and promotes a localized tolerogenic milieu characterized by the suppression of host CD8 T cell and phagocyte recruitment and accumulation of FOXP3+ Tregs. Furthermore, in the canine model of xenogeneic islet transplantation, muscle implanted PIDO-expressing porcine islets displayed physiological glucose-responsive insulin secretion competency in euglycemic recipient for up to 20 weeks. In conclusion, the PIDO transgenic technology enables host CD4+ T cell-modulated immune evasiveness and long-term functional viability of islet allo- and xenografts in immune-competent recipients without the need for pharmacological immune suppression and would allow for improved outcomes for tissue transplantation.
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Affiliation(s)
- Pradyut K Paul
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Rahul Das
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Travis Drow
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Emily A Nylen
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Arnaldo Henrique de Souza
- Department of Medicine, Division of Endocrinology, Diabetes, and Metabolism, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Zunyi Wang
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Michael W Wood
- Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Dawn B Davis
- Department of Medicine, Division of Endocrinology, Diabetes, and Metabolism, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin, USA.,William S. Middleton Memorial Veterans Hospital, Madison, Wisconsin, USA
| | - Dale E Bjorling
- Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Jacques Galipeau
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin, USA.,University of Wisconsin Carbone Cancer Center, University of Wisconsin-Madison, Madison, Wisconsin, USA
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Jones J, James S, Brown F, O'Neal D, I Ekinci E. Dead in bed - A systematic review of overnight deaths in type 1 diabetes. Diabetes Res Clin Pract 2022; 191:110042. [PMID: 36007797 DOI: 10.1016/j.diabres.2022.110042] [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: 02/18/2022] [Revised: 05/18/2022] [Accepted: 08/11/2022] [Indexed: 11/28/2022]
Abstract
BACKGROUND Type 1 diabetes is a significant, life-long condition which affects many people worldwide. One of the most feared causes of type 1 diabetes mortality, overnight mortality, often caused by the dead in bed syndrome, is largely underreported. A systematic literature search was undertaken to understand the frequency, risk factors, causes and impact that diabetes-related technologies have on overnight mortality, in this population. METHODS MEDLINE (Ovid), Embase (Ovid) and Cochrane were searched to June 2021, using defined inclusion and exclusion criteria. Quality appraisal was undertaken. RESULTS Overall, 26 records met the inclusion criteria. Large-scale cohort studies examined data up to 2013, and there were no studies published after 2018. The proportion of deaths attributable to the dead in bed syndrome was between 2 and 5% of deaths in children, adolescents, and young adults, with a slight decrease in proportion of dead in bed syndrome since 1991. CONCLUSION Overnight mortality is occurring for people with type 1 diabetes, reported as recently as in 2018. Living alone, alcohol and illicit substances consistently appear as risk factors, and the impact of technology on overnight mortality is not fully understood, with more recent data, from larger cohort studies being required.
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Affiliation(s)
- Jessica Jones
- Department of Medicine, University of Melbourne, Grattan Street, Parkville, Victoria 3010, Australia; Department of Endocrinology, Austin Health, 145 Studley Road, Heidelberg, Victoria 3084, Australia; Australian Centre of Accelerating Diabetes Innovations (ACADI), University of Melbourne, Grattan Street, Parkville, Victoria 3010, Australia
| | - Steven James
- Department of Medicine, University of Melbourne, Grattan Street, Parkville, Victoria 3010, Australia; Australian Centre of Accelerating Diabetes Innovations (ACADI), University of Melbourne, Grattan Street, Parkville, Victoria 3010, Australia; School of Nursing, Midwifery and Paramedicine, University of the Sunshine Coast, 1 Moreton Parade, Petrie, Queensland 4502, Australia
| | - Fran Brown
- Melbourne Diabetes Education & Support, 76 Edwin St, Heidelberg Heights, Victoria 3081, Australia
| | - David O'Neal
- Department of Medicine, University of Melbourne, Grattan Street, Parkville, Victoria 3010, Australia; Australian Centre of Accelerating Diabetes Innovations (ACADI), University of Melbourne, Grattan Street, Parkville, Victoria 3010, Australia; Department of Endocrinology, St Vincent's Hospital, 41 Victoria Parade, Fitzroy, Victoria 3065, Australia
| | - Elif I Ekinci
- Department of Medicine, University of Melbourne, Grattan Street, Parkville, Victoria 3010, Australia; Department of Endocrinology, Austin Health, 145 Studley Road, Heidelberg, Victoria 3084, Australia; Australian Centre of Accelerating Diabetes Innovations (ACADI), University of Melbourne, Grattan Street, Parkville, Victoria 3010, Australia.
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30
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Pellegrini S, Zamarian V, Landi E, Cospito A, Lombardo MT, Manenti F, Citro A, Schiavo Lena M, Piemonti L, Sordi V. Treating iPSC-Derived β Cells with an Anti-CD30 Antibody-Drug Conjugate Eliminates the Risk of Teratoma Development upon Transplantation. Int J Mol Sci 2022; 23:ijms23179699. [PMID: 36077097 PMCID: PMC9456216 DOI: 10.3390/ijms23179699] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 08/12/2022] [Accepted: 08/23/2022] [Indexed: 11/16/2022] Open
Abstract
Insulin-producing cells derived from induced pluripotent stem cells (iPSCs) are promising candidates for β cell replacement in type 1 diabetes. However, the risk of teratoma formation due to residual undifferentiated iPSCs contaminating the differentiated cells is still a critical concern for clinical application. Here, we hypothesized that pretreatment of iPSC-derived insulin-producing cells with an anti-CD30 antibody−drug conjugate could prevent in vivo teratoma formation by selectively killing residual undifferentiated cells. CD30 is expressed in all human iPSCs clones tested by flow cytometry (n = 7) but not in iPSC-derived β cells (iβs). Concordantly, anti-CD30 treatment in vitro for 24 h induced a dose-dependent cell death (up to 90%) in human iPSCs while it did not kill iβs nor had an impact on iβ identity and function, including capacity to secrete insulin in response to stimuli. In a model of teratoma assay associated with iβ transplantation, the pretreatment of cells with anti-CD30 for 24 h before the implantation into NOD-SCID mice completely eliminated teratoma development (0/10 vs. 8/8, p < 0.01). These findings suggest that short-term in vitro treatment with clinical-grade anti-CD30, targeting residual undifferentiated cells, eliminates the tumorigenicity of iPSC-derived β cells, potentially providing enhanced safety for iPSC-based β cell replacement therapy in clinical scenarios.
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Affiliation(s)
- Silvia Pellegrini
- Diabetes Research Institute, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132 Milan, Italy
| | - Valentina Zamarian
- Diabetes Research Institute, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132 Milan, Italy
| | - Elisa Landi
- Diabetes Research Institute, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132 Milan, Italy
| | - Alessandro Cospito
- Diabetes Research Institute, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132 Milan, Italy
| | - Marta Tiffany Lombardo
- Diabetes Research Institute, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132 Milan, Italy
| | - Fabio Manenti
- Diabetes Research Institute, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132 Milan, Italy
| | - Antonio Citro
- Diabetes Research Institute, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132 Milan, Italy
| | - Marco Schiavo Lena
- Department of Pathology, IRCCS San Raffaele Hospital, 20132 Milan, Italy
| | - Lorenzo Piemonti
- Diabetes Research Institute, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132 Milan, Italy
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Valeria Sordi
- Diabetes Research Institute, IRCCS San Raffaele Hospital, Via Olgettina 60, 20132 Milan, Italy
- Correspondence:
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31
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Toren E, Liu Y, Bethea M, Wade A, Hunter CS. The Ldb1 transcriptional co-regulator is required for establishment and maintenance of the pancreatic endocrine lineage. FASEB J 2022; 36:e22460. [PMID: 35881062 PMCID: PMC9397370 DOI: 10.1096/fj.202200410r] [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: 03/14/2022] [Revised: 06/26/2022] [Accepted: 07/08/2022] [Indexed: 11/11/2022]
Abstract
Pancreatic islet cell development is regulated by transcription factors (TFs) that mediate embryonic progenitor differentiation toward mature endocrine cells. Prior studies from our lab and others showed that the islet-enriched TF, Islet-1 (Isl1), interacts with the broadly-expressed transcriptional co-regulator, Ldb1, to regulate islet cell maturation and postnhyperatal function (by embryonic day (E)18.5). However, Ldb1 is expressed in the developing pancreas prior to Isl1 expression, notably in multipotent progenitor cells (MPCs) marked by Pdx1 and endocrine progenitors (EPs) expressing Neurogenin-3 (Ngn3). MPCs give rise to the endocrine and exocrine pancreas, while Ngn3+ EPs specify pancreatic islet endocrine cells. We hypothesized that Ldb1 is required for progenitor identity in MPC and EP populations during development to impact islet appearance and function. To test this, we generated a whole-pancreas Ldb1 knockout, termed Ldb1ΔPanc , and observed severe developmental and postnatal pancreas defects including disorganized progenitor pools, a significant reduction of Ngn3-expressing EPs, Pdx1HI β-cells, and early hormone+ cells. Ldb1ΔPanc neonates presented with severe hyperglycemia, hypoinsulinemia, and drastically reduced hormone expression in islets, yet no change in total pancreas mass. This supports the endocrine-specific actions of Ldb1. Considering this, we also developed an endocrine-enriched model of Ldb1 loss, termed Ldb1ΔEndo . We observed similar dysglycemia in this model, as well as a loss of islet identity markers. Through in vitro and in vivo chromatin immunoprecipitation experiments, we found that Ldb1 occupies key Pdx1 and Ngn3 promoter domains. Our findings provide insight into novel regulation of endocrine cell differentiation that may be vital toward improving cell-based diabetes therapies.
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Affiliation(s)
- Eliana Toren
- Comprehensive Diabetes Center and Department of Medicine, Division of Endocrinology, Diabetes, and Metabolism, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Yanping Liu
- Comprehensive Diabetes Center and Department of Medicine, Division of Endocrinology, Diabetes, and Metabolism, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Maigen Bethea
- Comprehensive Diabetes Center and Department of Medicine, Division of Endocrinology, Diabetes, and Metabolism, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Alexa Wade
- Comprehensive Diabetes Center and Department of Medicine, Division of Endocrinology, Diabetes, and Metabolism, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Chad S Hunter
- Comprehensive Diabetes Center and Department of Medicine, Division of Endocrinology, Diabetes, and Metabolism, University of Alabama at Birmingham, Birmingham, Alabama, USA
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32
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Jones PM, Persaud SJ. β-cell replacement therapy for type 1 diabetes: closer and closer. Diabet Med 2022; 39:e14834. [PMID: 35340048 PMCID: PMC9314968 DOI: 10.1111/dme.14834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 03/23/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Peter M. Jones
- Department of DiabetesFaculty of Life Sciences and MedicineKing’s College LondonLondonUK
| | - Shanta J. Persaud
- Department of DiabetesFaculty of Life Sciences and MedicineKing’s College LondonLondonUK
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Bhartiya D, Mohammad SA, Singh P, Sharma D, Kaushik A. GFP Tagged VSELs Help Delineate Novel Stem Cells Biology in Multiple Adult Tissues. Stem Cell Rev Rep 2022; 18:1603-1613. [PMID: 35641711 DOI: 10.1007/s12015-022-10401-4] [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] [Accepted: 05/19/2022] [Indexed: 11/25/2022]
Abstract
Various types of stem cells are being researched upon to exploit their potential for regenerative medicine including pluripotent human embryonic stem (hES) cells derived from spare human embryos, induced pluripotent stem (iPS) cells by reprogramming somatic cells to a pluripotent state and multipotent mesenchymal stem/stromal cells (MSCs) obtained in vitro from multiple tissues. More than 50 independent groups have reported another novel population of pluripotent stem cells in adult tissues termed very small embryonic-like stem cells (VSELs). VSELs are developmentally linked to primordial germ cells, which rather than giving rise to the germ cells and later ceasing to exist, survive throughout life in multiple organs along with tissue-specific adult stem cells better described as lineage-restricted, tissue-committed progenitors with limited plasticity. VSELs survive total body irradiation in bone marrow, oncotherapy in the gonads, bilateral ovariectomy in the uterus and partial pancreatectomy in the pancreas of mice and participate in the regeneration of multiple organs under normal physiological conditions. VSELs and tissue-specific progenitor cells work together in a subtle manner, maintain life-long tissue homeostasis and their dysfunction leads to various pathologies including cancer. However, due to their quiescent state, VSELs have invariably eluded lineage-tracing studies reported so far. Present article reviews novel insights into VSELs biology and how VSELs enriched from GFP (green fluorescent protein) mice have enabled to delineate their role in various biological processes in vivo. VSELs biology needs to be understood in-depth as this alone will help evolve the field of regenerative medicine and win the war against cancer.
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Affiliation(s)
- Deepa Bhartiya
- Stem Cell Biology Department, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai, 400012, India.
- Epigeneres Biotech Pvt Ltd, Lower Parel, Mumbai, 400013, India.
| | - Subhan Ali Mohammad
- Stem Cell Biology Department, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai, 400012, India
| | - Pushpa Singh
- Stem Cell Biology Department, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai, 400012, India
| | - Diksha Sharma
- Stem Cell Biology Department, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai, 400012, India
| | - Ankita Kaushik
- Stem Cell Biology Department, ICMR-National Institute for Research in Reproductive and Child Health, Jehangir Merwanji Street, Parel, Mumbai, 400012, India
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A Quantitative Proteomic Approach Explores the Possible Mechanisms by Which the Small Molecule Stemazole Promotes the Survival of Human Neural Stem Cells. Brain Sci 2022; 12:brainsci12060690. [PMID: 35741576 PMCID: PMC9221083 DOI: 10.3390/brainsci12060690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/16/2022] [Accepted: 05/21/2022] [Indexed: 02/07/2023] Open
Abstract
Neurodegenerative disorders have become a serious healthcare problem worldwide and there is no efficacious cure. However, regulating the fate of stem cells is an effective way to treat these neurological diseases. In previous work, stemazole was reported to maintain the survival of human neural stem cells in the absence of growth factors and to have therapeutic effects on neurodegenerative diseases. However, although it is a promising small molecule, the molecular mechanisms against apoptosis are ambiguous. In this study, tandem mass tag (TMT)-based proteomics were performed to obtain whole protein expression profiles of human neural stem cells in different groups under extreme conditions. Bioinformatics analysis based on protein–protein interaction (PPI) network construction, gene ontology (GO) and the Kyoto Encyclopaedia of Genes and Genomes (KEGG) pathway enrichment analysis were adopted to explore crucial proteins and possible pharmacological mechanisms. A total of 77 differentially expressed proteins were identified, comprising 38 upregulated proteins and 39 downregulated proteins. Combined with a diseases database of Alzheimer’s disease (AD), caspase-2 (CASP2), PKA C-alpha (PRKACA), fibronectin (FN1), large neutral amino acid transporter small subunit 1 (SLC7A5), which are involved in cell proliferation and apoptosis, this was further validated by enzyme activity assay and molecular docking, and regarded as putative targets regulated by stemazole. The present results give an insight into this small molecule and a better understanding for further elucidating the underlying mechanisms in the treatment of stem cells and neurodegenerative diseases.
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35
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Jevon D, Deng K, Hallahan N, Kumar K, Tong J, Gan WJ, Tran C, Bilek MM, Thorn P. Local activation of focal adhesion kinase orchestrates the positioning of presynaptic scaffold proteins and Ca 2+ signalling to control glucose dependent insulin secretion. eLife 2022; 11:76262. [PMID: 35559734 PMCID: PMC9126582 DOI: 10.7554/elife.76262] [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: 12/10/2021] [Accepted: 05/12/2022] [Indexed: 11/13/2022] Open
Abstract
A developing understanding suggests that spatial compartmentalisation in pancreatic β cells is critical in controlling insulin secretion. To investigate the mechanisms, we have developed live-cell sub-cellular imaging methods using the mouse organotypic pancreatic slice. We demonstrate that the organotypic pancreatic slice, when compared with isolated islets, preserves intact β cell structure, and enhances glucose dependent Ca2+ responses and insulin secretion. Using the slice technique, we have discovered the essential role of local activation of integrins and the downstream component, focal adhesion kinase, in regulating β cells. Integrins and focal adhesion kinase are exclusively activated at the β cell capillary interface and using in situ and in vitro models we show their activation both positions presynaptic scaffold proteins, like ELKS and liprin, and regulates glucose dependent Ca2+ responses and insulin secretion. We conclude that focal adhesion kinase orchestrates the final steps of glucose dependent insulin secretion within the restricted domain where β cells contact the islet capillaries.
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Affiliation(s)
- Dillon Jevon
- School of Medical Sciences, University of Sydney, Sydney, Australia
| | - Kylie Deng
- School of Medical Sciences, University of Sydney, Sydney, Australia
| | - Nicole Hallahan
- School of Medical Sciences, University of Sydney, Sydney, Australia
| | - Krish Kumar
- School of Medical Sciences, University of Sydney, Sydney, Australia
| | - Jason Tong
- School of Medical Sciences, University of Sydney, Sydney, Australia
| | - Wan Jun Gan
- Mechanobiology Institute, National University of Singapore, Singapore, Singapore
| | - Clara Tran
- School of Physics, University of Sydney, Sydney, Australia
| | | | - Peter Thorn
- School of Medical Sciences, University of Sydney, Sydney, Australia
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36
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Casamitjana J, Espinet E, Rovira M. Pancreatic Organoids for Regenerative Medicine and Cancer Research. Front Cell Dev Biol 2022; 10:886153. [PMID: 35592251 PMCID: PMC9110799 DOI: 10.3389/fcell.2022.886153] [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: 02/28/2022] [Accepted: 04/06/2022] [Indexed: 11/16/2022] Open
Abstract
In recent years, the development of ex vivo organoid cultures has gained substantial attention as a model to study regenerative medicine and diseases in several tissues. Diabetes and pancreatic ductal adenocarcinoma (PDAC) are the two major devastating diseases affecting the pancreas. Suitable models for regenerative medicine in diabetes and to accurately study PDAC biology and treatment response are essential in the pancreatic field. Pancreatic organoids can be generated from healthy pancreas or pancreatic tumors and constitute an important translational bridge between in vitro and in vivo models. Here, we review the rapidly emerging field of pancreatic organoids and summarize the current applications of the technology to tissue regeneration, disease modelling, and drug screening.
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Affiliation(s)
- Joan Casamitjana
- Department of Physiological Science, School of Medicine, University of Barcelona (UB), L'Hospitalet de Llobregat, Barcelona, Spain
- Pancreas Regeneration: Pancreatic Progenitors and Their Niche Group, Regenerative Medicine Program, Institut D’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, Barcelona, Spain
- Program for Advancing the Clinical Translation of Regenerative Medicine of Catalonia (P-CMR[C]), L’Hospitalet de Llobregat, Barcelona, Spain
| | - Elisa Espinet
- Department of Pathology and Experimental Therapy, School of Medicine, University of Barcelona (UB), L’Hospitalet de Llobregat, Barcelona, Spain
- Molecular Mechanisms and Experimental Therapy in Oncology Program (Oncobell), Institut D’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, Barcelona, Spain
- *Correspondence: Elisa Espinet, ; Meritxell Rovira,
| | - Meritxell Rovira
- Department of Physiological Science, School of Medicine, University of Barcelona (UB), L'Hospitalet de Llobregat, Barcelona, Spain
- Pancreas Regeneration: Pancreatic Progenitors and Their Niche Group, Regenerative Medicine Program, Institut D’Investigació Biomèdica de Bellvitge (IDIBELL), L’Hospitalet de Llobregat, Barcelona, Spain
- Program for Advancing the Clinical Translation of Regenerative Medicine of Catalonia (P-CMR[C]), L’Hospitalet de Llobregat, Barcelona, Spain
- *Correspondence: Elisa Espinet, ; Meritxell Rovira,
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Dettmer R, Niwolik I, Cirksena K, Yoshimoto T, Tang Y, Mehmeti I, Gurgul-Convey E, Naujok O. Proinflammatory cytokines induce rapid, NO-independent apoptosis, expression of chemotactic mediators and interleukin-32 secretion in human pluripotent stem cell-derived beta cells. Diabetologia 2022; 65:829-843. [PMID: 35122482 PMCID: PMC8960637 DOI: 10.1007/s00125-022-05654-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 11/23/2021] [Indexed: 12/15/2022]
Abstract
AIMS/HYPOTHESIS The aim of this study was to examine the effects of proinflammatory cytokines on cells of different developmental stages during the generation of stem cell-derived beta cells (SC-beta cells) from human pluripotent stem cells (hPSCs). We wanted to find out to what extent human SC-beta cells are suitable as an experimental cellular model and, with regard to a possible therapeutic use, whether SC-beta cells have a comparable vulnerability to cytokines as bona fide beta cells. METHODS hPSCs were differentiated towards pancreatic organoids (SC-organoids) using a 3D production protocol. SC-beta cells and non-insulin-producing cells were separated by FACS and differential gene expression profiles of purified human SC-beta cells, progenitor stages and the human beta cell line EndoC-βH1, as a reference, were determined after 24 h incubation with the proinflammatory cytokines IL-1β, TNF-α and IFN-γ via a transcriptome microarray. Furthermore, we investigated apoptosis based on caspase cleavage, the generation of reactive oxygen species and activation of mitogen-activated protein-kinase (MAPK) stress-signalling pathways. RESULTS A 24 h exposure of SC-beta cells to proinflammatory cytokines resulted in significant activation of caspase 3/7 and apoptosis via the extrinsic and intrinsic apoptosis signalling pathways. At this time point, SC-beta cells showed a markedly higher sensitivity towards proinflammatory cytokines than non-insulin-producing cells and EndoC-βH1 cells. Furthermore, we were able to demonstrate the generation of reactive oxygen species and rule out the involvement of NO-mediated stress. A transient activation of stress-signalling pathways p38 mitogen-activated protein kinases (p38) and c-Jun N-terminal kinase (JNK) was already observed after 10 min of cytokine exposure. The transcriptome analysis revealed that the cellular response to proinflammatory cytokines increased with the degree of differentiation of the cells. Cytokines induced the expression of multiple inflammatory mediators including IL-32, CXCL9 and CXCL10 in SC-beta cells and in non-insulin-producing cells. CONCLUSIONS/INTERPRETATION Our results indicate that human SC-beta cells respond to proinflammatory cytokines very similarly to human islets. Due to the fast and fulminant cellular response of SC-beta cells, we conclude that SC-beta cells represent a suitable model for diabetes research. In light of the immaturity of SC-beta cells, they may be an attractive model for developmentally young beta cells as they are, for example, present in patients with early-onset type 1 diabetes. The secretion of chemotactic signals may promote communication between SC-beta cells and immune cells, and non-insulin-producing cells possibly participate in the overall immune response and are thus capable of amplifying the immune response and further stimulating inflammation. We demonstrated that cytokine-treated SC-organoids secrete IL-32, which is considered a promising candidate for type 1 diabetes onset. This underlines the need to ensure the survival of SC-beta cells in an autoimmune environment such as that found in type 1 diabetes.
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Affiliation(s)
- Rabea Dettmer
- Institute of Clinical Biochemistry, Hannover Medical School, Hannover, Germany
| | - Isabell Niwolik
- Institute of Clinical Biochemistry, Hannover Medical School, Hannover, Germany
| | - Karsten Cirksena
- Institute of Clinical Biochemistry, Hannover Medical School, Hannover, Germany
| | - Toshiaki Yoshimoto
- Institute of Clinical Biochemistry, Hannover Medical School, Hannover, Germany
- Department of Digestive and Transplant Surgery, Tokushima University, Tokushima, Japan
| | - Yadi Tang
- Institute of Clinical Biochemistry, Hannover Medical School, Hannover, Germany
| | - Ilir Mehmeti
- Institute of Clinical Biochemistry, Hannover Medical School, Hannover, Germany
| | - Ewa Gurgul-Convey
- Institute of Clinical Biochemistry, Hannover Medical School, Hannover, Germany
| | - Ortwin Naujok
- Institute of Clinical Biochemistry, Hannover Medical School, Hannover, Germany.
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Affiliation(s)
- Mark A Sperling
- From the Department of Pediatrics, Division of Endocrinology and Diabetes, Icahn School of Medicine at Mount Sinai, New York (M.A.S.); and the Pediatric, Adolescent, and Young Adult Section, Joslin Diabetes Center, and Harvard Medical School - both in Boston (L.M.L.)
| | - Lori M Laffel
- From the Department of Pediatrics, Division of Endocrinology and Diabetes, Icahn School of Medicine at Mount Sinai, New York (M.A.S.); and the Pediatric, Adolescent, and Young Adult Section, Joslin Diabetes Center, and Harvard Medical School - both in Boston (L.M.L.)
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39
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Genetic manipulation of stress pathways can protect stem-cell-derived islets from apoptosis in vitro. Stem Cell Reports 2022; 17:766-774. [PMID: 35245439 PMCID: PMC9023776 DOI: 10.1016/j.stemcr.2022.01.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 01/27/2022] [Accepted: 01/31/2022] [Indexed: 01/20/2023] Open
Abstract
The in vitro production of stem-cell-derived islets (SC-islets) has brought forth the potential of transplanting these cells to restore glycemic control in people with diabetes. Nonetheless, alloimmune and autoimmune responses remain considerable challenges for a broad clinical implementation of β-cell replacement therapies. β-cell stress has been implicated in the onset of β-cell immunogenicity and death and is likely to contribute to β-cell failure following transplantation. We show that inducing stress and/or administering cytokines causes SC-islet apoptosis, cellular dysfunction, and an increased expression of β-cell stress- and immune-interaction-related genes. We then demonstrate that manipulating some of these genes results in enhanced protection of SC-islets from apoptosis in vitro. Stem-cell-derived islets (SC-islets) are vulnerable to stress in vitro Genetic manipulation protects SC-islets from stress-mediated apoptosis and dysfunction Genetic manipulation protects SC-islets from apoptosis mediated by allorecognition
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40
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Ahuja N, Cleaver O. The cell cortex as mediator of pancreatic epithelial development and endocrine differentiation. Curr Opin Genet Dev 2022; 72:118-127. [PMID: 34929610 PMCID: PMC8915777 DOI: 10.1016/j.gde.2021.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 11/02/2021] [Accepted: 11/15/2021] [Indexed: 02/03/2023]
Abstract
Organogenesis is the complex process of cells coordinating their own proliferation with changes to their shape, cell migration and cell-cell signaling, so that they transform into a three dimensional functional tissue, with its own custom range of differentiated cell types. Understanding when and where critical signals emanate from, and how those signals are transduced and interpreted, is the fundamental challenge of developmental biology. Here, we review recent findings regarding how progenitor cells interpret cues during pancreatic morphogenesis and how they coordinate cell fate determination. Recent evidence suggests that molecules located in the cell cortex play a crticial role in determining cellular behavior during pancreatic morphogenesis. Specifically, we find that control of cell adhesion, polarity, and constriction are all integral to both initiation of epithelial development and to later cell differentiation. Here, we review key molecules that coordinate these processes and suggest that the cell cortex acts as a signaling center that relays cues during pancreas development.
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Affiliation(s)
- Neha Ahuja
- Department of Molecular Biology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390, USA
| | - Ondine Cleaver
- Department of Molecular Biology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390, USA.
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41
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Ghezelayagh Z, Zabihi M, Kazemi Ashtiani M, Ghezelayagh Z, Lynn FC, Tahamtani Y. Recapitulating pancreatic cell-cell interactions through bioengineering approaches: the momentous role of non-epithelial cells for diabetes cell therapy. Cell Mol Life Sci 2021; 78:7107-7132. [PMID: 34613423 PMCID: PMC11072828 DOI: 10.1007/s00018-021-03951-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2021] [Revised: 09/09/2021] [Accepted: 09/23/2021] [Indexed: 12/11/2022]
Abstract
Over the past few years, extensive efforts have been made to generate in-vitro pancreatic micro-tissue, for disease modeling or cell replacement approaches in pancreatic related diseases such as diabetes mellitus. To obtain these goals, a closer look at the diverse cells participating in pancreatic development is necessary. Five major non-epithelial pancreatic (pN-Epi) cell populations namely, pancreatic endothelium, mesothelium, neural crests, pericytes, and stellate cells exist in pancreas throughout its development, and they are hypothesized to be endogenous inducers of the development. In this review, we discuss different pN-Epi cells migrating to and existing within the pancreas and their diverse effects on pancreatic epithelium during organ development mediated via associated signaling pathways, soluble factors or mechanical cell-cell interactions. In-vivo and in-vitro experiments, with a focus on N-Epi cells' impact on pancreas endocrine development, have also been considered. Pluripotent stem cell technology and multicellular three-dimensional organoids as new approaches to generate pancreatic micro-tissues have also been discussed. Main challenges for reaching a detailed understanding of the role of pN-Epi cells in pancreas development in utilizing for in-vitro recapitulation have been summarized. Finally, various novel and innovative large-scale bioengineering approaches which may help to recapitulate cell-cell interactions and are crucial for generation of large-scale in-vitro multicellular pancreatic micro-tissues, are discussed.
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Affiliation(s)
- Zahra Ghezelayagh
- Department of Developmental Biology, Faculty of Basic Sciences and Advanced Technologies in Biology, University of Science and Culture, ACECR, Tehran, Iran
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Mahsa Zabihi
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
- Department of Genetics, Faculty of Basic Sciences and Advanced Technologies in Biology, University of Science and Culture, ACECR, Tehran, Iran
| | - Mohammad Kazemi Ashtiani
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Zeinab Ghezelayagh
- Department of Developmental Biology, Faculty of Basic Sciences and Advanced Technologies in Biology, University of Science and Culture, ACECR, Tehran, Iran
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Francis C Lynn
- Diabetes Research Group, BC Children's Hospital Research Institute, Vancouver, BC, Canada
- Department of Surgery and School of Biomedical Engineering , University of British Columbia, Vancouver, BC, Canada
| | - Yaser Tahamtani
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
- Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.
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42
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Lau HH, Gan SU, Lickert H, Shapiro AMJ, Lee KO, Teo AKK. Charting the next century of insulin replacement with cell and gene therapies. MED 2021; 2:1138-1162. [DOI: 10.1016/j.medj.2021.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/24/2021] [Accepted: 09/07/2021] [Indexed: 10/20/2022]
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Krentz NAJ, Shea LD, Huising MO, Shaw JAM. Restoring normal islet mass and function in type 1 diabetes through regenerative medicine and tissue engineering. Lancet Diabetes Endocrinol 2021; 9:708-724. [PMID: 34480875 PMCID: PMC10881068 DOI: 10.1016/s2213-8587(21)00170-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 05/17/2021] [Accepted: 06/08/2021] [Indexed: 02/09/2023]
Abstract
Type 1 diabetes is characterised by autoimmune-mediated destruction of pancreatic β-cell mass. With the advent of insulin therapy a century ago, type 1 diabetes changed from a progressive, fatal disease to one that requires lifelong complex self-management. Replacing the lost β-cell mass through transplantation has proven successful, but limited donor supply and need for lifelong immunosuppression restricts widespread use. In this Review, we highlight incremental advances over the past 20 years and remaining challenges in regenerative medicine approaches to restoring β-cell mass and function in type 1 diabetes. We begin by summarising the role of endocrine islets in glucose homoeostasis and how this is altered in disease. We then discuss the potential regenerative capacity of the remaining islet cells and the utility of stem cell-derived β-like cells to restore β-cell function. We conclude with tissue engineering approaches that might improve the engraftment, function, and survival of β-cell replacement therapies.
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Affiliation(s)
- Nicole A J Krentz
- Division of Endocrinology, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Lonnie D Shea
- Departments of Biomedical Engineering, Chemical Engineering, and Surgery, College of Engineering and School of Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Mark O Huising
- Department of Neurobiology, Physiology and Behavior, College of Biological Sciences, University of California, Davis, Davis, CA, USA; Department of Physiology and Membrane Biology, School of Medicine, University of California, Davis, Davis, CA, USA
| | - James A M Shaw
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK; Institute of Transplantation, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.
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44
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Abdulreda MH, Berggren PO. Challenges in stem cell-derived islet replacement therapy can be overcome. Cell Transplant 2021; 30:9636897211045320. [PMID: 34565192 PMCID: PMC8485158 DOI: 10.1177/09636897211045320] [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] [Indexed: 11/23/2022] Open
Abstract
In this Commentary, we echo the conclusions of a recent review titled
“The promise of stem cell-derived islet replacement
therapy,” which highlighted recent advances in
producing glucose responsive “islets” from stem cells and the benefits
of their use in islet transplant therapy in type 1 diabetes (T1D). The
review also outlined the status of clinical islet transplantation and
the challenges that have prevented it from reaching its full
therapeutic promise. We agree with the conclusions of the review and
suggest that the identified challenges may be overcome by using the
eye anterior chamber as an islet transplant site. We anticipate that
the combination of stem cell-derived islets and intraocular transplant
could help this promising T1D therapy reach full fruition.
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Affiliation(s)
- Midhat H Abdulreda
- Diabetes Research Institute, Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA.,Department of Microbiology and Immunology, University of Miami Miller School of Medicine, Miami, FL, USA.,Department of Ophthalmology, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Per-Olof Berggren
- Diabetes Research Institute, Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA.,The Rolf Luft Research Center for Diabetes and Endocrinology, Karolinska Institutet, Karolinska University Hospital L1, Stockholm, Sweden
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45
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Soetedjo AAP, Lee JM, Lau HH, Goh GL, An J, Koh Y, Yeong WY, Teo AKK. Tissue engineering and 3D printing of bioartificial pancreas for regenerative medicine in diabetes. Trends Endocrinol Metab 2021; 32:609-622. [PMID: 34154916 DOI: 10.1016/j.tem.2021.05.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 05/17/2021] [Accepted: 05/24/2021] [Indexed: 02/08/2023]
Abstract
Diabetes is a severe chronic disease worldwide. In various types of diabetes, the pancreatic beta cells fail to secrete sufficient insulin, at some point, to regulate blood glucose levels. Therefore, the replacement of dysfunctional pancreas, islets of Langerhans, or even the insulin-secreting beta cells facilitates physiological regulation of blood glucose levels. However, the current lack of sufficient donor human islets for cell replacement therapy precludes a routine and absolute cure for most of the existing diabetes cases globally. It is envisioned that tissue engineering of a bioartificial pancreas will revolutionize regenerative medicine and the treatment of diabetes. In this review, we discuss the anatomy and physiology of the pancreas, and identify the clinical considerations for engineering a bioartificial pancreas. Subsequently, we dissect the bioengineering problem based on the design of the device, the biomaterial used, and the cells involved. Last but not least, we highlight current tissue engineering challenges and explore potential directions for future work.
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Affiliation(s)
- Andreas Alvin Purnomo Soetedjo
- Stem Cells and Diabetes Laboratory, Institute of Molecular and Cell Biology (IMCB), A*STAR, Singapore; Integrative Sciences and Engineering Programme, NUS Graduate School, National University of Singapore, Singapore
| | - Jia Min Lee
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore
| | - Hwee Hui Lau
- Stem Cells and Diabetes Laboratory, Institute of Molecular and Cell Biology (IMCB), A*STAR, Singapore; School of Biological Sciences, Nanyang Technological University, Singapore
| | - Guo Liang Goh
- Singapore Centre for 3D Printing (SC3DP), School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore
| | - Jia An
- Singapore Centre for 3D Printing (SC3DP), School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore
| | - Yexin Koh
- Department of Hepatopancreatobiliary and Transplant Surgery, Singapore General Hospital, Singapore
| | - Wai Yee Yeong
- Singapore Centre for 3D Printing (SC3DP), School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore
| | - Adrian Kee Keong Teo
- Stem Cells and Diabetes Laboratory, Institute of Molecular and Cell Biology (IMCB), A*STAR, Singapore; Department of Biochemistry and Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
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46
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Refaie AF, Elbassiouny BL, Kloc M, Sabek OM, Khater SM, Ismail AM, Mohamed RH, Ghoneim MA. From Mesenchymal Stromal/Stem Cells to Insulin-Producing Cells: Immunological Considerations. Front Immunol 2021; 12:690623. [PMID: 34248981 PMCID: PMC8262452 DOI: 10.3389/fimmu.2021.690623] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Accepted: 06/09/2021] [Indexed: 12/24/2022] Open
Abstract
Mesenchymal stem cell (MSC)-based therapy for type 1 diabetes mellitus (T1DM) has been the subject matter of many studies over the past few decades. The wide availability, negligible teratogenic risks and differentiation potential of MSCs promise a therapeutic alternative to traditional exogenous insulin injections or pancreatic transplantation. However, conflicting arguments have been reported regarding the immunological profile of MSCs. While some studies support their immune-privileged, immunomodulatory status and successful use in the treatment of several immune-mediated diseases, others maintain that allogeneic MSCs trigger immune responses, especially following differentiation or in vivo transplantation. In this review, the intricate mechanisms by which MSCs exert their immunomodulatory functions and the influencing variables are critically addressed. Furthermore, proposed avenues to enhance these effects, including cytokine pretreatment, coadministration of mTOR inhibitors, the use of Tregs and gene manipulation, are presented. As an alternative, the selection of high-benefit, low-risk donors based on HLA matching, PD-L1 expression and the absence of donor-specific antibodies (DSAs) are also discussed. Finally, the necessity for the transplantation of human MSC (hMSC)-derived insulin-producing cells (IPCs) into humanized mice is highlighted since this strategy may provide further insights into future clinical applications.
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Affiliation(s)
- Ayman F Refaie
- Nephrology Department, Urology and Nephrology Center, Mansoura, Egypt
| | | | - Malgorzata Kloc
- Department of Immunobiology, The Houston Methodist Research Institute, Houston, TX, United States.,Department of Surgery, The Houston Methodist Hospital, Houston, TX, United States.,Department of Genetics, The University of Texas, M.D. Anderson Cancer Center, Houston, TX, United States
| | - Omaima M Sabek
- Department of Surgery, The Houston Methodist Hospital, Houston, TX, United States.,Department of Cell and Microbiology Biology, Weill Cornell Medical Biology, New York, NY, United States
| | - Sherry M Khater
- Pathology Department, Urology and Nephrology Center, Mansoura, Egypt
| | - Amani M Ismail
- Immunology Department, Urology and Nephrology Center, Mansoura, Egypt
| | - Rania H Mohamed
- Biochemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt
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47
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Kurtzhals P, Nishimura E, Haahr H, Høeg-Jensen T, Johansson E, Madsen P, Sturis J, Kjeldsen T. Commemorating insulin's centennial: engineering insulin pharmacology towards physiology. Trends Pharmacol Sci 2021; 42:620-639. [PMID: 34148677 DOI: 10.1016/j.tips.2021.05.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/13/2021] [Accepted: 05/18/2021] [Indexed: 01/14/2023]
Abstract
The life-saving discovery of insulin in Toronto in 1921 is one of the most impactful achievements in medical history, at the time being hailed as a miracle treatment for diabetes. The insulin molecule itself, however, is poorly amenable as a pharmacological intervention, and the formidable challenge of optimizing insulin therapy has been ongoing for a century. We review early academic insights into insulin structure and its relation to self-association and receptor binding, as well as recombinant biotechnology, which have all been seminal for drug design. Recent developments have focused on combining genetic and chemical engineering with pharmaceutical optimization to generate ultra-rapid and ultra-long-acting, tissue-selective, or orally delivered insulin analogs. We further discuss these developments and propose that future scientific efforts in molecular engineering include realizing the dream of glucose-responsive insulin delivery.
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Affiliation(s)
- Peter Kurtzhals
- Research and Development, Novo Nordisk A/S, Novo Allé, DK-2880 Bagsværd, Denmark.
| | - Erica Nishimura
- Research and Development, Novo Nordisk A/S, Novo Allé, DK-2880 Bagsværd, Denmark
| | - Hanne Haahr
- Research and Development, Novo Nordisk A/S, Novo Allé, DK-2880 Bagsværd, Denmark
| | - Thomas Høeg-Jensen
- Research and Development, Novo Nordisk A/S, Novo Allé, DK-2880 Bagsværd, Denmark
| | - Eva Johansson
- Research and Development, Novo Nordisk A/S, Novo Allé, DK-2880 Bagsværd, Denmark
| | - Peter Madsen
- Research and Development, Novo Nordisk A/S, Novo Allé, DK-2880 Bagsværd, Denmark
| | - Jeppe Sturis
- Research and Development, Novo Nordisk A/S, Novo Allé, DK-2880 Bagsværd, Denmark
| | - Thomas Kjeldsen
- Research and Development, Novo Nordisk A/S, Novo Allé, DK-2880 Bagsværd, Denmark
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48
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George MN, Leavens KF, Gadue P. Genome Editing Human Pluripotent Stem Cells to Model β-Cell Disease and Unmask Novel Genetic Modifiers. Front Endocrinol (Lausanne) 2021; 12:682625. [PMID: 34149620 PMCID: PMC8206553 DOI: 10.3389/fendo.2021.682625] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 05/13/2021] [Indexed: 01/21/2023] Open
Abstract
A mechanistic understanding of the genetic basis of complex diseases such as diabetes mellitus remain elusive due in large part to the activity of genetic disease modifiers that impact the penetrance and/or presentation of disease phenotypes. In the face of such complexity, rare forms of diabetes that result from single-gene mutations (monogenic diabetes) can be used to model the contribution of individual genetic factors to pancreatic β-cell dysfunction and the breakdown of glucose homeostasis. Here we review the contribution of protein coding and non-protein coding genetic disease modifiers to the pathogenesis of diabetes subtypes, as well as how recent technological advances in the generation, differentiation, and genome editing of human pluripotent stem cells (hPSC) enable the development of cell-based disease models. Finally, we describe a disease modifier discovery platform that utilizes these technologies to identify novel genetic modifiers using induced pluripotent stem cells (iPSC) derived from patients with monogenic diabetes caused by heterozygous mutations.
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Affiliation(s)
- Matthew N. George
- Center for Cellular and Molecular Therapeutics, The Children’s Hospital of Philadelphia, Philadelphia, PA, United States
| | - Karla F. Leavens
- Center for Cellular and Molecular Therapeutics, The Children’s Hospital of Philadelphia, Philadelphia, PA, United States
- Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
- Division of Endocrinology and Diabetes, The Children’s Hospital of Philadelphia, Philadelphia, PA, United States
| | - Paul Gadue
- Center for Cellular and Molecular Therapeutics, The Children’s Hospital of Philadelphia, Philadelphia, PA, United States
- Department of Pathology and Laboratory Medicine, The Children’s Hospital of Philadelphia, Philadelphia, PA, United States
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49
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Affiliation(s)
- Sally M Marshall
- Translational and Clinical Research Institute, Faculty of Clinical Medical Sciences, Newcastle University, Framlington Place, Newcastle upon Tyne, NE2 4HH, UK.
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50
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Abstract
The discovery of insulin in 1921 enabled pharmaceutical production of animal insulins for the treatment of people with type 1 diabetes by 1922. The last several decades have witnessed enormous scientific progress in the therapy of type 1 diabetes, yet some developments have been incremental, and insulin is not a cure. Herein, I highlight key scientific advances potentially poised to improve the quality of life and treatment outcomes in type 1 diabetes. These innovations range from newer insulin analogues to the development of smart insulins, oral and weekly insulins, glucose sensors and closed-loop insulin-delivery devices, as well as strategies for durable human beta cell replacement coupled with selective immune manipulation to preserve beta cell function. Finally, progress in the prediction and prevention of type 1 diabetes highlights the ongoing challenges and potential for altering the natural history of the disease or eliminating type 1 diabetes altogether.
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Affiliation(s)
- Daniel J Drucker
- Department of Medicine, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada.
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