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Grimus S, Sarangova V, Welzel PB, Ludwig B, Seissler J, Kemter E, Wolf E, Ali A. Immunoprotection Strategies in β-Cell Replacement Therapy: A Closer Look at Porcine Islet Xenotransplantation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2401385. [PMID: 38884159 DOI: 10.1002/advs.202401385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 05/28/2024] [Indexed: 06/18/2024]
Abstract
Type 1 diabetes mellitus (T1DM) is characterized by absolute insulin deficiency primarily due to autoimmune destruction of pancreatic β-cells. The prevailing treatment for T1DM involves daily subcutaneous insulin injections, but a substantial proportion of patients face challenges such as severe hypoglycemic episodes and poorly controlled hyperglycemia. For T1DM patients, a more effective therapeutic option involves the replacement of β-cells through allogeneic transplantation of either the entire pancreas or isolated pancreatic islets. Unfortunately, the scarcity of transplantable human organs has led to a growing list of patients waiting for an islet transplant. One potential alternative is xenotransplantation of porcine pancreatic islets. However, due to inter-species molecular incompatibilities, porcine tissues trigger a robust immune response in humans, leading to xenograft rejection. Several promising strategies aim to overcome this challenge and enhance the long-term survival and functionality of xenogeneic islet grafts. These strategies include the use of islets derived from genetically modified pigs, immunoisolation of islets by encapsulation in biocompatible materials, and the creation of an immunomodulatory microenvironment by co-transplanting islets with accessory cells or utilizing immunomodulatory biomaterials. This review concentrates on delineating the primary obstacles in islet xenotransplantation and elucidates the fundamental principles and recent breakthroughs aimed at addressing these challenges.
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Affiliation(s)
- Sarah Grimus
- Chair for Molecular Animal Breeding and Biotechnology, Gene Center and Department of Veterinary Sciences, LMU Munich, D-81377, Munich, Germany
- Center for Innovative Medical Models (CiMM), LMU Munich, D-85764, Oberschleißheim, Germany
- Interfaculty Center for Endocrine and Cardiovascular Disease Network Modelling and Clinical Transfer (ICONLMU), LMU Munich, D-81377, Munich, Germany
| | - Victoria Sarangova
- Leibniz-Institut für Polymerforschung Dresden e.V., Max Bergmann Center of Biomaterials Dresden, D-01069, Dresden, Germany
| | - Petra B Welzel
- Leibniz-Institut für Polymerforschung Dresden e.V., Max Bergmann Center of Biomaterials Dresden, D-01069, Dresden, Germany
| | - Barbara Ludwig
- Department of Medicine III, University Hospital Carl Gustav Carus, Technische Universität Dresden, D-01307, Dresden, Germany
- Paul Langerhans Institute Dresden of the Helmholtz Center Munich at the University Hospital Carl Gustav Carus and Faculty of Medicine of the Technische Universität Dresden, D-01307, Dresden, Germany
- German Center for Diabetes Research (DZD e.V.), D-85764, Neuherberg, Germany
- DFG-Center for Regenerative Therapies Dresden, Technische Universität Dresden, D-01307, Dresden, Germany
| | - Jochen Seissler
- Medizinische Klinik und Poliklinik IV, Diabetes Zentrum - Campus Innenstadt, Klinikum der Ludwig-Maximilians-Universität München, D-80336, Munich, Germany
| | - Elisabeth Kemter
- Chair for Molecular Animal Breeding and Biotechnology, Gene Center and Department of Veterinary Sciences, LMU Munich, D-81377, Munich, Germany
- Center for Innovative Medical Models (CiMM), LMU Munich, D-85764, Oberschleißheim, Germany
- Interfaculty Center for Endocrine and Cardiovascular Disease Network Modelling and Clinical Transfer (ICONLMU), LMU Munich, D-81377, Munich, Germany
- German Center for Diabetes Research (DZD e.V.), D-85764, Neuherberg, Germany
| | - Eckhard Wolf
- Chair for Molecular Animal Breeding and Biotechnology, Gene Center and Department of Veterinary Sciences, LMU Munich, D-81377, Munich, Germany
- Center for Innovative Medical Models (CiMM), LMU Munich, D-85764, Oberschleißheim, Germany
- Interfaculty Center for Endocrine and Cardiovascular Disease Network Modelling and Clinical Transfer (ICONLMU), LMU Munich, D-81377, Munich, Germany
- German Center for Diabetes Research (DZD e.V.), D-85764, Neuherberg, Germany
| | - Asghar Ali
- Chair for Molecular Animal Breeding and Biotechnology, Gene Center and Department of Veterinary Sciences, LMU Munich, D-81377, Munich, Germany
- Center for Innovative Medical Models (CiMM), LMU Munich, D-85764, Oberschleißheim, Germany
- Interfaculty Center for Endocrine and Cardiovascular Disease Network Modelling and Clinical Transfer (ICONLMU), LMU Munich, D-81377, Munich, Germany
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Samadi A, Moammeri A, Pourmadadi M, Abbasi P, Hosseinpour Z, Farokh A, Shamsabadipour A, Heydari M, Mohammadi MR. Cell Encapsulation and 3D Bioprinting for Therapeutic Cell Transplantation. ACS Biomater Sci Eng 2023; 9:1862-1890. [PMID: 36877212 DOI: 10.1021/acsbiomaterials.2c01183] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
The promise of cell therapy has been augmented by introducing biomaterials, where intricate scaffold shapes are fabricated to accommodate the cells within. In this review, we first discuss cell encapsulation and the promising potential of biomaterials to overcome challenges associated with cell therapy, particularly cellular function and longevity. More specifically, cell therapies in the context of autoimmune disorders, neurodegenerative diseases, and cancer are reviewed from the perspectives of preclinical findings as well as available clinical data. Next, techniques to fabricate cell-biomaterials constructs, focusing on emerging 3D bioprinting technologies, will be reviewed. 3D bioprinting is an advancing field that enables fabricating complex, interconnected, and consistent cell-based constructs capable of scaling up highly reproducible cell-biomaterials platforms with high precision. It is expected that 3D bioprinting devices will expand and become more precise, scalable, and appropriate for clinical manufacturing. Rather than one printer fits all, seeing more application-specific printer types, such as a bioprinter for bone tissue fabrication, which would be different from a bioprinter for skin tissue fabrication, is anticipated in the future.
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Affiliation(s)
- Amirmasoud Samadi
- Department of Chemical and Biomolecular Engineering, 6000 Interdisciplinary Science & Engineering Building (ISEB), Irvine, California 92617, United States
| | - Ali Moammeri
- School of Chemical Engineering, College of Engineering, University of Tehran, Enghelab Square, 16 Azar Street, Tehran 1417935840, Iran
| | - Mehrab Pourmadadi
- School of Chemical Engineering, College of Engineering, University of Tehran, Enghelab Square, 16 Azar Street, Tehran 1417935840, Iran
| | - Parisa Abbasi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Azadi Avenue, Tehran 1458889694, Iran
| | - Zeinab Hosseinpour
- Biotechnology Research Laboratory, Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol 4714871167, Mazandaran Province, Iran
| | - Arian Farokh
- School of Chemical Engineering, College of Engineering, University of Tehran, Enghelab Square, 16 Azar Street, Tehran 1417935840, Iran
| | - Amin Shamsabadipour
- School of Chemical Engineering, College of Engineering, University of Tehran, Enghelab Square, 16 Azar Street, Tehran 1417935840, Iran
| | - Maryam Heydari
- Department of Cell and Molecular Biology, Faculty of Biological Science, University of Kharazmi, Tehran 199389373, Iran
| | - M Rezaa Mohammadi
- Dale E. and Sarah Ann Fowler School of Engineering, Chapman University, Orange, California 92866, United States
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Marsili L, Dal Bo M, Berti F, Toffoli G. Chitosan-Based Biocompatible Copolymers for Thermoresponsive Drug Delivery Systems: On the Development of a Standardization System. Pharmaceutics 2021; 13:1876. [PMID: 34834291 PMCID: PMC8620438 DOI: 10.3390/pharmaceutics13111876] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/27/2021] [Accepted: 11/02/2021] [Indexed: 12/26/2022] Open
Abstract
Chitosan is a natural polysaccharide that is considered to be biocompatible, biodegradable and non-toxic. The polymer has been used in drug delivery applications for its positive charge, which allows for adhesion with and recognition of biological tissues via non-covalent interactions. In recent times, chitosan has been used for the preparation of graft copolymers with thermoresponsive polymers such as poly-N-vinylcaprolactam (PNVCL) and poly-N-isopropylamide (PNIPAM), allowing the combination of the biodegradability of the natural polymer with the ability to respond to changes in temperature. Due to the growing interest in the utilization of thermoresponsive polymers in the biological context, it is necessary to increase the knowledge of the key principles of thermoresponsivity in order to obtain comparable results between different studies or applications. In the present review, we provide an overview of the basic principles of thermoresponsivity, as well as a description of the main polysaccharides and thermoresponsive materials, with a special focus on chitosan and poly-N-Vinyl caprolactam (PNVCL) and their biomedical applications.
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Affiliation(s)
- Lorenzo Marsili
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via Licio Giorgieri 1, 34127 Trieste, Italy;
| | - Michele Dal Bo
- Experimental and Clinical Pharmacology Unit, CRO National Cancer Institute IRCCS, Via Franco Gallini 2, 33081 Aviano, Italy; (M.D.B.); (G.T.)
| | - Federico Berti
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, Via Licio Giorgieri 1, 34127 Trieste, Italy;
| | - Giuseppe Toffoli
- Experimental and Clinical Pharmacology Unit, CRO National Cancer Institute IRCCS, Via Franco Gallini 2, 33081 Aviano, Italy; (M.D.B.); (G.T.)
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Ghasemi A, Akbari E, Imani R. An Overview of Engineered Hydrogel-Based Biomaterials for Improved β-Cell Survival and Insulin Secretion. Front Bioeng Biotechnol 2021; 9:662084. [PMID: 34513805 PMCID: PMC8427138 DOI: 10.3389/fbioe.2021.662084] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 07/16/2021] [Indexed: 12/28/2022] Open
Abstract
Islet transplantation provides a promising strategy in treating type 1 diabetes as an autoimmune disease, in which damaged β-cells are replaced with new islets in a minimally invasive procedure. Although islet transplantation avoids the complications associated with whole pancreas transplantations, its clinical applications maintain significant drawbacks, including long-term immunosuppression, a lack of compatible donors, and blood-mediated inflammatory responses. Biomaterial-assisted islet transplantation is an emerging technology that embeds desired cells into biomaterials, which are then directly transplanted into the patient, overcoming the aforementioned challenges. Among various biomaterials, hydrogels are the preferred biomaterial of choice in these transplants due to their ECM-like structure and tunable properties. This review aims to present a comprehensive overview of hydrogel-based biomaterials that are engineered for encapsulation of insulin-secreting cells, focusing on new hydrogel design and modification strategies to improve β-cell viability, decrease inflammatory responses, and enhance insulin secretion. We will discuss the current status of clinical studies using therapeutic bioengineering hydrogels in insulin release and prospective approaches.
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Affiliation(s)
| | | | - Rana Imani
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
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Laubach J, Joseph M, Brenza T, Gadhamshetty V, Sani RK. Exopolysaccharide and biopolymer-derived films as tools for transdermal drug delivery. J Control Release 2021; 329:971-987. [DOI: 10.1016/j.jconrel.2020.10.027] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 02/06/2023]
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Espona-Noguera A, Ciriza J, Cañibano-Hernández A, Orive G, Hernández RM, Saenz del Burgo L, Pedraz JL. Review of Advanced Hydrogel-Based Cell Encapsulation Systems for Insulin Delivery in Type 1 Diabetes Mellitus. Pharmaceutics 2019; 11:E597. [PMID: 31726670 PMCID: PMC6920807 DOI: 10.3390/pharmaceutics11110597] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 11/05/2019] [Accepted: 11/06/2019] [Indexed: 12/11/2022] Open
Abstract
: Type 1 Diabetes Mellitus (T1DM) is characterized by the autoimmune destruction of β-cells in the pancreatic islets. In this regard, islet transplantation aims for the replacement of the damaged β-cells through minimally invasive surgical procedures, thereby being the most suitable strategy to cure T1DM. Unfortunately, this procedure still has limitations for its widespread clinical application, including the need for long-term immunosuppression, the lack of pancreas donors and the loss of a large percentage of islets after transplantation. To overcome the aforementioned issues, islets can be encapsulated within hydrogel-like biomaterials to diminish the loss of islets, to protect the islets resulting in a reduction or elimination of immunosuppression and to enable the use of other insulin-producing cell sources. This review aims to provide an update on the different hydrogel-based encapsulation strategies of insulin-producing cells, highlighting the advantages and drawbacks for a successful clinical application.
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Affiliation(s)
- Albert Espona-Noguera
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (A.E.-N.); (J.C.); (A.C.-H.); (R.M.H.)
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 01006 Vitoria-Gasteiz, Spain
| | - Jesús Ciriza
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (A.E.-N.); (J.C.); (A.C.-H.); (R.M.H.)
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 01006 Vitoria-Gasteiz, Spain
| | - Alberto Cañibano-Hernández
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (A.E.-N.); (J.C.); (A.C.-H.); (R.M.H.)
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 01006 Vitoria-Gasteiz, Spain
| | - Gorka Orive
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (A.E.-N.); (J.C.); (A.C.-H.); (R.M.H.)
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 01006 Vitoria-Gasteiz, Spain
- University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), 01006 Vitoria, Spain
- Singapore Eye Research Institute, The Academia, 20 College Road, Discovery Tower, Singapore 169856, Singapore
| | - Rosa María Hernández
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (A.E.-N.); (J.C.); (A.C.-H.); (R.M.H.)
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 01006 Vitoria-Gasteiz, Spain
| | - Laura Saenz del Burgo
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (A.E.-N.); (J.C.); (A.C.-H.); (R.M.H.)
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 01006 Vitoria-Gasteiz, Spain
| | - Jose Luis Pedraz
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; (A.E.-N.); (J.C.); (A.C.-H.); (R.M.H.)
- Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 01006 Vitoria-Gasteiz, Spain
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Hu S, de Vos P. Polymeric Approaches to Reduce Tissue Responses Against Devices Applied for Islet-Cell Encapsulation. Front Bioeng Biotechnol 2019; 7:134. [PMID: 31214587 PMCID: PMC6558039 DOI: 10.3389/fbioe.2019.00134] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 05/20/2019] [Indexed: 12/15/2022] Open
Abstract
Immunoisolation of pancreatic islets is a technology in which islets are encapsulated in semipermeable but immunoprotective polymeric membranes. The technology allows for successful transplantation of insulin-producing cells in the absence of immunosuppression. Different approaches of immunoisolation are currently under development. These approaches involve intravascular devices that are connected to the bloodstream and extravascular devices that can be distinguished in micro- and macrocapsules and are usually implanted in the peritoneal cavity or under the skin. The technology has been subject of intense fundamental research in the past decade. It has co-evolved with novel replenishable cell sources for cure of diseases such as Type 1 Diabetes Mellitus that need to be protected for the host immune system. Although the devices have shown significant success in animal models and even in human safety studies most technologies still suffer from undesired tissue responses in the host. Here we review the past and current approaches to modulate and reduce tissue responses against extravascular cell-containing micro- and macrocapsules with a focus on rational choices for polymer (combinations). Choices for polymers but also choices for crosslinking agents that induce more stable and biocompatible capsules are discussed. Combining beneficial properties of molecules in diblock polymers or application of these molecules or other anti-biofouling molecules have been reviewed. Emerging are also the principles of polymer brushes that prevent protein and cell-adhesion. Recently also immunomodulating biomaterials that bind to specific immune receptors have entered the field. Several natural and synthetic polymers and even combinations of these polymers have demonstrated significant improvement in outcomes of encapsulated grafts. Adequate polymeric surface properties have been shown to be essential but how the surface should be composed to avoid host responses remains to be identified. Current insight is that optimal biocompatible devices can be created which raises optimism that immunoisolating devices can be created that allows for long term survival of encapsulated replenishable insulin-producing cell sources for treatment of Type 1 Diabetes Mellitus.
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Affiliation(s)
- Shuixan Hu
- Division of Medical Biology, Department of Pathology and Medical Biology, Immunoendocrinology, University of Groningen and University Medical Center Groningen, Groningen, Netherlands
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Miao T, Wang J, Zeng Y, Liu G, Chen X. Polysaccharide-Based Controlled Release Systems for Therapeutics Delivery and Tissue Engineering: From Bench to Bedside. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1700513. [PMID: 29721408 PMCID: PMC5908359 DOI: 10.1002/advs.201700513] [Citation(s) in RCA: 165] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 09/19/2017] [Indexed: 05/08/2023]
Abstract
Polysaccharides or polymeric carbohydrate molecules are long chains of monosaccharides that are linked by glycosidic bonds. The naturally based structural materials are widely applied in biomedical applications. This article covers four different types of polysaccharides (i.e., alginate, chitosan, hyaluronic acid, and dextran) and emphasizes their chemical modification, preparation approaches, preclinical studies, and clinical translations. Different cargo fabrication techniques are also presented in the third section. Recent progresses in preclinical applications are then discussed, including tissue engineering and treatment of diseases in both therapeutic and monitoring aspects. Finally, clinical translational studies with ongoing clinical trials are summarized and reviewed. The promise of new development in nanotechnology and polysaccharide chemistry helps clinical translation of polysaccharide-based drug delivery systems.
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Affiliation(s)
- Tianxin Miao
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational MedicineSchool of Public HealthXiamen UniversityXiamen361102China
- School of Chemical & Biomolecular EngineeringGeorgia Institute of TechnologyAtlantaGA30332USA
| | - Junqing Wang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational MedicineSchool of Public HealthXiamen UniversityXiamen361102China
- Collaborative Innovation Center of Guangxi Biological Medicine and theMedical and Scientific Research CenterGuangxi Medical UniversityNanning530021China
| | - Yun Zeng
- Department of PharmacologyXiamen Medical CollegeXiamen361008China
| | - Gang Liu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics and Center for Molecular Imaging and Translational MedicineSchool of Public HealthXiamen UniversityXiamen361102China
- State Key Laboratory of Cellular Stress BiologyInnovation Center for Cell BiologySchool of Life SciencesXiamen UniversityXiamen361102China
- State Key Laboratory of Physical Chemistry of Solid Surfaces and The MOE Key Laboratory of Spectrochemical Analysis & InstrumentationCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen361005China
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and NanomedicineNational Institute of Biomedical Imaging and BioengineeringNational Institutes of HealthBethesdaMD20892USA
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Abstract
Review of emerging advances and persisting challenges in the engineering and translation of islet encapsulation technologies.
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Affiliation(s)
| | - Long-Hai Wang
- Department of Biological and Environmental Engineering
- Cornell University
- Ithaca
- USA
| | - Minglin Ma
- Department of Biological and Environmental Engineering
- Cornell University
- Ithaca
- USA
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Omami M, McGarrigle JJ, Reedy M, Isa D, Ghani S, Marchese E, Bochenek MA, Longi M, Xing Y, Joshi I, Wang Y, Oberholzer J. Islet Microencapsulation: Strategies and Clinical Status in Diabetes. Curr Diab Rep 2017; 17:47. [PMID: 28523592 DOI: 10.1007/s11892-017-0877-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
PURPOSE OF REVIEW Type 1 diabetes mellitus (T1DM) is an autoimmune disease that results from the destruction of insulin-producing pancreatic β cells in the islets of Langerhans. Islet cell transplantation has become a successful therapy for specific patients with T1DM with hypoglycemic unawareness. The reversal of T1DM by islet transplantation is now performed at many major medical facilities throughout the world. However, many challenges must still be overcome in order to achieve continuous, long-term successful transplant outcomes. Two major obstacles to this therapy are a lack of islet cells for transplantation and the need for life-long immunosuppressive treatment. Microencapsulation is seen as a technology that can overcome both these limitations of islet cell transplantation. This review depicts the present state of microencapsulated islet transplantation. RECENT FINDINGS Microencapsulation can play a significant role in overcoming the need for immunosuppression and lack of donor islet cells. This review focuses on microencapsulation and the clinical status of the technology in combating T1DM.
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Affiliation(s)
- Mustafa Omami
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA
| | - James J McGarrigle
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA.
| | - Mick Reedy
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA
| | - Douglas Isa
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA
| | - Sofia Ghani
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA
| | - Enza Marchese
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA
| | - Matthew A Bochenek
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Maha Longi
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA
| | - Yuan Xing
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, USA
| | - Ira Joshi
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA
| | - Yong Wang
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, USA
| | - José Oberholzer
- Department of Surgery, University of Illinois at Chicago, 840 S. Wood St. Room 502, Chicago, IL, 60612, USA
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL, USA
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Liu Z, Hu W, He T, Dai Y, Hara H, Bottino R, Cooper DKC, Cai Z, Mou L. Pig-to-Primate Islet Xenotransplantation: Past, Present, and Future. Cell Transplant 2017; 26:925-947. [PMID: 28155815 PMCID: PMC5657750 DOI: 10.3727/096368917x694859] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2016] [Accepted: 03/21/2017] [Indexed: 12/17/2022] Open
Abstract
Islet allotransplantation results in increasing success in treating type 1 diabetes, but the shortage of deceased human donor pancreata limits progress. Islet xenotransplantation, using pigs as a source of islets, is a promising approach to overcome this limitation. The greatest obstacle is the primate immune/inflammatory response to the porcine (pig) islets, which may take the form of rapid early graft rejection (the instant blood-mediated inflammatory reaction) or T-cell-mediated rejection. These problems are being resolved by the genetic engineering of the source pigs combined with improved immunosuppressive therapy. The results of pig-to-diabetic nonhuman primate islet xenotransplantation are steadily improving, with insulin independence being achieved for periods >1 year. An alternative approach is to isolate islets within a micro- or macroencapsulation device aimed at protecting them from the human recipient's immune response. Clinical trials using this approach are currently underway. This review focuses on the major aspects of pig-to-primate islet xenotransplantation and its potential for treatment of type 1 diabetes.
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Affiliation(s)
- Zhengzhao Liu
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Institute of Translational Medicine, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, P.R. China
| | - Wenbao Hu
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Institute of Translational Medicine, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, P.R. China
| | - Tian He
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Institute of Translational Medicine, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, P.R. China
| | - Yifan Dai
- Jiangsu Key Laboratory of Xenotransplantation, Nanjing Medical University, Nanjing, Jiangsu, P.R. China
| | - Hidetaka Hara
- Xenotransplantation Program/Department of Surgery, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Rita Bottino
- Institute for Cellular Therapeutics, Allegheny-Singer Research Institute, Pittsburgh, PA, USA
| | - David K. C. Cooper
- Xenotransplantation Program/Department of Surgery, The University of Alabama at Birmingham, Birmingham, AL, USA
| | - Zhiming Cai
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Institute of Translational Medicine, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, P.R. China
| | - Lisha Mou
- Shenzhen Xenotransplantation Medical Engineering Research and Development Center, Institute of Translational Medicine, Shenzhen Second People's Hospital, First Affiliated Hospital of Shenzhen University, Shenzhen, Guangdong, P.R. China
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Zhu HT, Lu L, Liu XY, Yu L, Lyu Y, Wang B. Treatment of diabetes with encapsulated pig islets: an update on current developments. J Zhejiang Univ Sci B 2016; 16:329-43. [PMID: 25990050 DOI: 10.1631/jzus.b1400310] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The potential use of allogeneic islet transplantation in curing type 1 diabetes mellitus has been adequately demonstrated, but its large-scale application is limited by the short supply of donor islets and the need for sustained and heavy immunosuppressive therapy. Encapsulation of pig islets was therefore suggested with a view to providing a possible alternative source of islet grafts and avoiding chronic immunosuppression and associated adverse or toxic effects. Nevertheless, several vital elements should be taken into account before this therapy becomes a clinical reality, including cell sources, encapsulation approaches, and implantation sites. This paper provides a comprehensive review of xenotransplantation of encapsulated pig islets for the treatment of type 1 diabetes mellitus, including current research findings and suggestions for future studies.
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Affiliation(s)
- Hai-tao Zhu
- Heart Center, Northwest Women's and Children's Hospital, Xi'an 710061, China; Department of Hepatobiliary Surgery, the First Affiliated Hospital, Medical College, Xi'an Jiaotong University, Xi'an 710061, China; Department of Hand Surgery, China-Japan Union Hospital, Norman Bethune Health Science Center, Jilin University, Changchun 130033, China; Institute of Advanced Surgical Technology and Engineering, Xi'an Jiaotong University, Xi'an 710061, China
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Zhu H, Yu L, He Y, Lyu Y, Wang B. Microencapsulated Pig Islet Xenotransplantation as an Alternative Treatment of Diabetes. TISSUE ENGINEERING PART B-REVIEWS 2015; 21:474-89. [PMID: 26028249 DOI: 10.1089/ten.teb.2014.0499] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Haitao Zhu
- Department of Hepatobiliary Surgery, First Affiliated Hospital, Medical College, Xi'an Jiaotong University, Xi'an, China
- Heart Center, Northwest Women's and Children's Hospital, Xi'an, China
| | - Liang Yu
- Department of Hepatobiliary Surgery, First Affiliated Hospital, Medical College, Xi'an Jiaotong University, Xi'an, China
| | - Yayi He
- Department of Endocrinology, First Affiliated Hospital, Medical College, Xi'an Jiaotong University, Xi'an, China
| | - Yi Lyu
- Department of Hepatobiliary Surgery, First Affiliated Hospital, Medical College, Xi'an Jiaotong University, Xi'an, China
- Institute of Advanced Surgical Technology and Engineering, Xi'an Jiaotong University, Xi'an, China
| | - Bo Wang
- Department of Hepatobiliary Surgery, First Affiliated Hospital, Medical College, Xi'an Jiaotong University, Xi'an, China
- Institute of Advanced Surgical Technology and Engineering, Xi'an Jiaotong University, Xi'an, China
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Stoppel WL, Ghezzi CE, McNamara SL, Black LD, Kaplan DL. Clinical applications of naturally derived biopolymer-based scaffolds for regenerative medicine. Ann Biomed Eng 2015; 43:657-80. [PMID: 25537688 PMCID: PMC8196399 DOI: 10.1007/s10439-014-1206-2] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2014] [Accepted: 11/26/2014] [Indexed: 01/05/2023]
Abstract
Naturally derived polymeric biomaterials, such as collagens, silks, elastins, alginates, and fibrins are utilized in tissue engineering due to their biocompatibility, bioactivity, and tunable mechanical and degradation kinetics. The use of these natural biopolymers in biomedical applications is advantageous because they do not release cytotoxic degradation products, are often processed using environmentally-friendly aqueous-based methods, and their degradation rates within biological systems can be manipulated by modifying the starting formulation or processing conditions. For these reasons, many recent in vivo investigations and FDA-approval of new biomaterials for clinical use have utilized natural biopolymers as matrices for cell delivery and as scaffolds for cell-free support of native tissues. This review highlights biopolymer-based scaffolds used in clinical applications for the regeneration and repair of native tissues, with a focus on bone, skeletal muscle, peripheral nerve, cardiac muscle, and cornea substitutes.
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Affiliation(s)
- Whitney L. Stoppel
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
| | - Chiara E. Ghezzi
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
| | - Stephanie L. McNamara
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
- Cellular, Molecular and Developmental Biology Program, Sackler School of Graduate Biomedical Sciences, Tufts University School of Medicine, Boston, MA 02111, USA
- The Harvard/MIT MD-PhD Program, Harvard Medical School, Boston, MA 02115, USA
| | - Lauren D. Black
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
- Cellular, Molecular and Developmental Biology Program, Sackler School of Graduate Biomedical Sciences, Tufts University School of Medicine, Boston, MA 02111, USA
| | - David L. Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
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Zhu HT, Wang WL, Yu L, Wang B. Pig-islet xenotransplantation: recent progress and current perspectives. Front Surg 2014; 1:7. [PMID: 25593932 PMCID: PMC4287008 DOI: 10.3389/fsurg.2014.00007] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Accepted: 03/07/2014] [Indexed: 01/23/2023] Open
Abstract
Islet xenotransplantation is one prospective treatment to bridge the gap between available human cells and needs of patients with diabetes. Pig represents an ideal candidate for obtaining such available cells. However, potential clinical application of pig islet still faces obstacles including inadequate yield of high-quality functional islets and xenorejection of the transplants. Adequate amounts of available islets can be obtained by selection of a suitable pathogen-free source herd and the development of isolation and purification method. Several studies demonstrated the feasibility of successful preclinical pig-islet xenotransplantation and provided insights and possible mechanisms of xenogeneic immune recognition and rejection. Particularly promising is the achievement of long-term insulin independence in diabetic models by means of distinct islet products and novel immunotherapeutic strategies. Nonetheless, further efforts are needed to obtain much more safety and efficacy data to translate these findings into clinic.
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Affiliation(s)
- Hai-Tao Zhu
- Department of Hepatobiliary Surgery, First Affiliated Hospital, Medical College, Xi’an Jiaotong University, Xi’an, China
| | - Wan-Li Wang
- Department of Hepatobiliary Surgery, First Affiliated Hospital, Medical College, Xi’an Jiaotong University, Xi’an, China
| | - Liang Yu
- Department of Hepatobiliary Surgery, First Affiliated Hospital, Medical College, Xi’an Jiaotong University, Xi’an, China
| | - Bo Wang
- Department of Hepatobiliary Surgery, First Affiliated Hospital, Medical College, Xi’an Jiaotong University, Xi’an, China
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Mason C, Brindley DA, Culme-Seymour EJ, Davie NL. Cell therapy industry: billion dollar global business with unlimited potential. Regen Med 2011; 6:265-72. [DOI: 10.2217/rme.11.28] [Citation(s) in RCA: 109] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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