1
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Samadi A, Moammeri A, Azimi S, Bustillo-Perez BM, Mohammadi MR. Biomaterial engineering for cell transplantation. BIOMATERIALS ADVANCES 2024; 158:213775. [PMID: 38252986 DOI: 10.1016/j.bioadv.2024.213775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 12/27/2023] [Accepted: 01/12/2024] [Indexed: 01/24/2024]
Abstract
The current paradigm of medicine is mostly designed to block or prevent pathological events. Once the disease-led tissue damage occurs, the limited endogenous regeneration may lead to depletion or loss of function for cells in the tissues. Cell therapy is rapidly evolving and influencing the field of medicine, where in some instances attempts to address cell loss in the body. Due to their biological function, engineerability, and their responsiveness to stimuli, cells are ideal candidates for therapeutic applications in many cases. Such promise is yet to be fully obtained as delivery of cells that functionally integrate with the desired tissues upon transplantation is still a topic of scientific research and development. Main known impediments for cell therapy include mechanical insults, cell viability, host's immune response, and lack of required nutrients for the transplanted cells. These challenges could be divided into three different steps: 1) Prior to, 2) during the and 3) after the transplantation procedure. In this review, we attempt to briefly summarize published approaches employing biomaterials to mitigate the above technical challenges. Biomaterials are offering an engineerable platform that could be tuned for different classes of cell transplantation to potentially enhance and lengthen the pharmacodynamics of cell therapies.
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Affiliation(s)
- Amirmasoud Samadi
- Department of Chemical and Biomolecular Engineering, 6000 Interdisciplinary Science & Engineering Building (ISEB), Irvine, CA 92617, USA
| | - Ali Moammeri
- Department of Chemical Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | - Shamim Azimi
- Department of Chemical Engineering, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Bexi M Bustillo-Perez
- Department of Chemical Engineering, Queen's University, Kingston, ON K7L 3N6, Canada
| | - M Rezaa Mohammadi
- Dale E. and Sarah Ann Fowler School of Engineering, Chapman University, Orange, CA 92866, USA.
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2
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Doulames VM, Marquardt LM, Hefferon ME, Baugh NJ, Suhar RA, Wang AT, Dubbin KR, Weimann JM, Palmer TD, Plant GW, Heilshorn SC. Custom-engineered hydrogels for delivery of human iPSC-derived neurons into the injured cervical spinal cord. Biomaterials 2024; 305:122400. [PMID: 38134472 PMCID: PMC10846596 DOI: 10.1016/j.biomaterials.2023.122400] [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: 06/23/2023] [Revised: 09/18/2023] [Accepted: 11/11/2023] [Indexed: 12/24/2023]
Abstract
Cervical damage is the most prevalent type of spinal cord injury clinically, although few preclinical research studies focus on this anatomical region of injury. Here we present a combinatorial therapy composed of a custom-engineered, injectable hydrogel and human induced pluripotent stem cell (iPSC)-derived deep cortical neurons. The biomimetic hydrogel has a modular design that includes a protein-engineered component to allow customization of the cell-adhesive peptide sequence and a synthetic polymer component to allow customization of the gel mechanical properties. In vitro studies with encapsulated iPSC-neurons were used to select a bespoke hydrogel formulation that maintains cell viability and promotes neurite extension. Following injection into the injured cervical spinal cord in a rat contusion model, the hydrogel biodegraded over six weeks without causing any adverse reaction. Compared to cell delivery using saline, the hydrogel significantly improved the reproducibility of cell transplantation and integration into the host tissue. Across three metrics of animal behavior, this combinatorial therapy significantly improved sensorimotor function by six weeks post transplantation. Taken together, these findings demonstrate that design of a combinatorial therapy that includes a gel customized for a specific fate-restricted cell type can induce regeneration in the injured cervical spinal cord.
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Affiliation(s)
- V M Doulames
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA
| | - L M Marquardt
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA
| | - M E Hefferon
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA
| | - N J Baugh
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA
| | - R A Suhar
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA
| | - A T Wang
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA
| | - K R Dubbin
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA
| | - J M Weimann
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, 94305, USA
| | - T D Palmer
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, 94305, USA
| | - G W Plant
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, 94305, USA.
| | - S C Heilshorn
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA.
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3
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Zheng W, Zhou T, Zhang Y, Ding J, Xie J, Wang S, Wang Z, Wang K, Shen L, Zhu Y, Gao C. Simplified α 2-macroglobulin as a TNF-α inhibitor for inflammation alleviation in osteoarthritis and myocardial infarction therapy. Biomaterials 2023; 301:122247. [PMID: 37487780 DOI: 10.1016/j.biomaterials.2023.122247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 06/25/2023] [Accepted: 07/16/2023] [Indexed: 07/26/2023]
Abstract
Tumor necrosis factor α (TNF-α) is a leading proinflammatory cytokine as the master regulator of inflammation in chronic inflammation diseases. Although TNF-α antagonists such as small molecules and peptides are in development, comparable effectiveness in TNF-α neutralization is hardly achieved only with TNF-α capture. In this study, simplified α2-macroglobulin (SM) as a novel TNF-α inhibitor was fabricated to relieve inflammation response by TNF-α capture and internalization with lysosomal degradation. SM was prepared by conjugating a TNF-α-targeting peptide with a receptor binding domain (RBD) derived from α2-macroglobulin through a synthetic biology strategy. SM exhibited effective capture and bioactivity inhibition of TNF-α. Improved endocytosis of TNF-α into lysosomes was observed with SM in macrophages. Even challenged with LPS/IFNγ, the macrophages showed relieved inflammation response with SM treatment. When administrated in chronic inflammation injury in vivo, SM achieved comparable therapeutic efficacy with Infliximab, showing ameliorated cartilage degeneration with relieved inflammation in osteoarthritis (OA) and preserved cardiac function with mitigated myocardium injury in myocardial infarction (MI). These results suggest that SM functioning in TNF-α capture-internalization mechanism might be promising therapeutic alternatives of TNF-α antibodies.
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Affiliation(s)
- Weiwei Zheng
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Tong Zhou
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Yuxiang Zhang
- Department of Plastic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, 3 East Qingchun Road, Hangzhou, 310016, Zhejiang Province, PR China; Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, 310009, China; Dr. Li Dak Sum Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, 310058, China
| | - Jie Ding
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Jieqi Xie
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Shuqin Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Zhaoyi Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Kai Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Liyin Shen
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Yang Zhu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, China
| | - Changyou Gao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, International Research Center for X Polymers, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310058, China; Dr. Li Dak Sum Yip Yio Chin Center for Stem Cell and Regenerative Medicine, Zhejiang University, Hangzhou, 310058, China; Center for Healthcare Materials, Shaoxing Institute, Zhejiang University, Shaoxing, 312099, China.
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4
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Falandt M, Bernal PN, Dudaryeva O, Florczak S, Gröfibacher G, Schweiger M, Longoni A, Greant C, Assunção M, Nijssen O, van Vlierberghe S, Malda J, Vermonden T, Levato R. Spatial-Selective Volumetric 4D Printing and Single-Photon Grafting of Biomolecules within Centimeter-Scale Hydrogels via Tomographic Manufacturing. ADVANCED MATERIALS TECHNOLOGIES 2023; 8:admt.202300026. [PMID: 37811162 PMCID: PMC7615165 DOI: 10.1002/admt.202300026] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Indexed: 10/10/2023]
Abstract
Conventional additive manufacturing and biofabrication techniques are unable to edit the chemicophysical properties of the printed object postprinting. Herein, a new approach is presented, leveraging light-based volumetric printing as a tool to spatially pattern any biomolecule of interest in custom-designed geometries even across large, centimeter-scale hydrogels. As biomaterial platform, a gelatin norbornene resin is developed with tunable mechanical properties suitable for tissue engineering applications. The resin can be volumetrically printed within seconds at high resolution (23.68 ± 10.75 μm). Thiol-ene click chemistry allows on-demand photografting of thiolated compounds postprinting, from small to large (bio)molecules (e.g., fluorescent dyes or growth factors). These molecules are covalently attached into printed structures using volumetric light projections, forming 3D geometries with high spatiotemporal control and ≈50 μm resolution. As a proof of concept, vascular endothelial growth factor is locally photografted into a bioprinted construct and demonstrated region-dependent enhanced adhesion and network formation of endothelial cells. This technology paves the way toward the precise spatiotemporal biofunctionalization and modification of the chemical composition of (bio)printed constructs to better guide cell behavior, build bioactive cue gradients. Moreover, it opens future possibilities for 4D printing to mimic the dynamic changes in morphogen presentation natively experienced in biological tissues.
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Affiliation(s)
- Marc Falandt
- Department of Clinical Sciences Faculty of Veterinary Medicine Utrecht University Utrecht 3584CT, The Netherlands
| | - Paulina Nuñez Bernal
- Department of Orthopedics University Medical Center Utrecht Utrecht University Utrecht 3584CX, The Netherlands
| | - Oksana Dudaryeva
- Department of Orthopedics University Medical Center Utrecht Utrecht University Utrecht 3584CX, The Netherlands
| | - Sammy Florczak
- Department of Orthopedics University Medical Center Utrecht Utrecht University Utrecht 3584CX, The Netherlands
| | - Gabriel Gröfibacher
- Department of Orthopedics University Medical Center Utrecht Utrecht University Utrecht 3584CX, The Netherlands
| | - Matthias Schweiger
- Department of Clinical Sciences Faculty of Veterinary Medicine Utrecht University Utrecht 3584CT, The Netherlands
| | - Alessia Longoni
- Department of Orthopedics University Medical Center Utrecht Utrecht University Utrecht 3584CX, The Netherlands
| | - Coralie Greant
- Polymer Chemistry & Biomaterials Group Centre of Macromolecular Chemistry Department of Organic & Macromolecular Chemistry Faculty of Sciences Ghent University Ghent 9000, Belgium; BIO INX BV Technologiepark-Zwijnaarde 66, Ghent 9052, Belgium
| | - Marisa Assunção
- Department of Orthopedics University Medical Center Utrecht Utrecht University Utrecht 3584CX, The Netherlands
| | - Olaf Nijssen
- Department of Clinical Sciences Faculty of Veterinary Medicine Utrecht University Utrecht 3584CT, The Netherlands
| | - Sandra van Vlierberghe
- Polymer Chemistry & Biomaterials Group Centre of Macromolecular Chemistry Department of Organic & Macromolecular Chemistry Faculty of Sciences Ghent University Ghent 9000, Belgium; BIO INX BV Technologiepark-Zwijnaarde 66, Ghent 9052, Belgium
| | - Jos Malda
- Department of Clinical Sciences Faculty of Veterinary Medicine Utrecht University Utrecht 3584CT, The Netherlands; Department of Orthopedics University Medical Center Utrecht Utrecht University Utrecht 3584CX, The Netherlands
| | - Tina Vermonden
- Department of Pharmaceutical Sciences Faculty of Science Utrecht University Utrecht 3584CG, The Netherlands
| | - Riccardo Levato
- Department of Clinical Sciences Faculty of Veterinary Medicine Utrecht University Utrecht 3584CT, The Netherlands; Department of Orthopedics University Medical Center Utrecht Utrecht University Utrecht 3584CX, The Netherlands
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5
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Xu J, Hsu SH. Self-healing hydrogel as an injectable implant: translation in brain diseases. J Biomed Sci 2023; 30:43. [PMID: 37340481 DOI: 10.1186/s12929-023-00939-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 06/13/2023] [Indexed: 06/22/2023] Open
Abstract
Tissue engineering biomaterials are aimed to mimic natural tissue and promote new tissue formation for the treatment of impaired or diseased tissues. Highly porous biomaterial scaffolds are often used to carry cells or drugs to regenerate tissue-like structures. Meanwhile, self-healing hydrogel as a category of smart soft hydrogel with the ability to automatically repair its own structure after damage has been developed for various applications through designs of dynamic crosslinking networks. Due to flexibility, biocompatibility, and ease of functionalization, self-healing hydrogel has great potential in regenerative medicine, especially in restoring the structure and function of impaired neural tissue. Recent researchers have developed self-healing hydrogel as drug/cell carriers or tissue support matrices for targeted injection via minimally invasive surgery, which has become a promising strategy in treating brain diseases. In this review, the development history of self-healing hydrogel for biomedical applications and the design strategies according to different crosslinking (gel formation) mechanisms are summarized. The current therapeutic progress of self-healing hydrogels for brain diseases is described as well, with an emphasis on the potential therapeutic applications validated by in vivo experiments. The most recent aspect as well as the design rationale of self-healing hydrogel for different brain diseases is also addressed.
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Affiliation(s)
- Junpeng Xu
- Institute of Polymer Science and Engineering, National Taiwan University, No. 1, Sec. 4 Roosevelt Road, Taipei, 106319, Taiwan, Republic of China
| | - Shan-Hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University, No. 1, Sec. 4 Roosevelt Road, Taipei, 106319, Taiwan, Republic of China.
- Institute of Cellular and System Medicine, National Health Research Institutes, No. 35 Keyan Road, Miaoli, 350401, Taiwan, Republic of China.
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6
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Pan Y, Luo Y, Hong J, He H, Dai L, Zhu H, Wu J. Advances for the treatment of lower extremity arterial disease associated with diabetes mellitus. Front Mol Biosci 2022; 9:929718. [PMID: 36060247 PMCID: PMC9429832 DOI: 10.3389/fmolb.2022.929718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 07/19/2022] [Indexed: 11/13/2022] Open
Abstract
Lower extremity arterial disease (LEAD) is a major vascular complication of diabetes. Vascular endothelial cells dysfunction can exacerbate local ischemia, leading to a significant increase in amputation, disability, and even mortality in patients with diabetes combined with LEAD. Therefore, it is of great clinical importance to explore proper and effective treatments. Conventional treatments of diabetic LEAD include lifestyle management, medication, open surgery, endovascular treatment, and amputation. As interdisciplinary research emerges, regenerative medicine strategies have provided new insights to treat chronic limb threatening ischemia (CLTI). Therapeutic angiogenesis strategies, such as delivering growth factors, stem cells, drugs to ischemic tissues, have also been proposed to treat LEAD by fundamentally stimulating multidimensional vascular regeneration. Recent years have seen the rapid growth of tissue engineering technology; tissue-engineered biomaterials have been used to study the treatment of LEAD, such as encapsulation of growth factors and drugs in hydrogel to facilitate the restoration of blood perfusion in ischemic tissues of animals. The primary purpose of this review is to introduce treatments and novel biomaterials development in LEAD. Firstly, the pathogenesis of LEAD is briefly described. Secondly, conventional therapies and therapeutic angiogenesis strategies of LEAD are discussed. Finally, recent research advances and future perspectives on biomaterials in LEAD are proposed.
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Affiliation(s)
- Yang Pan
- Department of Endocrinology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yuting Luo
- Key Laboratory of Biotechnology and Pharmaceutical Engineering, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jing Hong
- Department of Endocrinology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Huacheng He
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou, Zhejiang, China
- *Correspondence: Huacheng He, ; Hong Zhu,
| | - Lu Dai
- The Fourth Outpatient Department, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hong Zhu
- Department of Endocrinology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- *Correspondence: Huacheng He, ; Hong Zhu,
| | - Jiang Wu
- Key Laboratory of Biotechnology and Pharmaceutical Engineering, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
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7
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Hao D, Lopez JM, Chen J, Iavorovschi AM, Lelivelt NM, Wang A. Engineering Extracellular Microenvironment for Tissue Regeneration. Bioengineering (Basel) 2022; 9:bioengineering9050202. [PMID: 35621480 PMCID: PMC9137730 DOI: 10.3390/bioengineering9050202] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/23/2022] [Accepted: 05/04/2022] [Indexed: 12/12/2022] Open
Abstract
The extracellular microenvironment is a highly dynamic network of biophysical and biochemical elements, which surrounds cells and transmits molecular signals. Extracellular microenvironment controls are of crucial importance for the ability to direct cell behavior and tissue regeneration. In this review, we focus on the different components of the extracellular microenvironment, such as extracellular matrix (ECM), extracellular vesicles (EVs) and growth factors (GFs), and introduce engineering approaches for these components, which can be used to achieve a higher degree of control over cellular activities and behaviors for tissue regeneration. Furthermore, we review the technologies established to engineer native-mimicking artificial components of the extracellular microenvironment for improved regenerative applications. This review presents a thorough analysis of the current research in extracellular microenvironment engineering and monitoring, which will facilitate the development of innovative tissue engineering strategies by utilizing different components of the extracellular microenvironment for regenerative medicine in the future.
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Affiliation(s)
- Dake Hao
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA; (D.H.); (J.-M.L.); (J.C.); (A.M.I.); (N.M.L.)
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA 95817, USA
| | - Juan-Maria Lopez
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA; (D.H.); (J.-M.L.); (J.C.); (A.M.I.); (N.M.L.)
| | - Jianing Chen
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA; (D.H.); (J.-M.L.); (J.C.); (A.M.I.); (N.M.L.)
| | - Alexandra Maria Iavorovschi
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA; (D.H.); (J.-M.L.); (J.C.); (A.M.I.); (N.M.L.)
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA 95817, USA
| | - Nora Marlene Lelivelt
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA; (D.H.); (J.-M.L.); (J.C.); (A.M.I.); (N.M.L.)
| | - Aijun Wang
- Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA; (D.H.); (J.-M.L.); (J.C.); (A.M.I.); (N.M.L.)
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA 95817, USA
- Department of Biomedical Engineering, University of California Davis, Davis, CA 95616, USA
- Correspondence:
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8
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Human Induced Pluripotent Stem Cell-Derived Vascular Cells: Recent Progress and Future Directions. J Cardiovasc Dev Dis 2021; 8:jcdd8110148. [PMID: 34821701 PMCID: PMC8622843 DOI: 10.3390/jcdd8110148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/01/2021] [Accepted: 11/02/2021] [Indexed: 12/12/2022] Open
Abstract
Human induced pluripotent stem cells (hiPSCs) hold great promise for cardiovascular regeneration following ischemic injury. Considerable effort has been made toward the development and optimization of methods to differentiate hiPSCs into vascular cells, such as endothelial and smooth muscle cells (ECs and SMCs). In particular, hiPSC-derived ECs have shown robust potential for promoting neovascularization in animal models of cardiovascular diseases, potentially achieving significant and sustained therapeutic benefits. However, the use of hiPSC-derived SMCs that possess high therapeutic relevance is a relatively new area of investigation, still in the earlier investigational stages. In this review, we first discuss different methodologies to derive vascular cells from hiPSCs with a particular emphasis on the role of key developmental signals. Furthermore, we propose a standardized framework for assessing and defining the EC and SMC identity that might be suitable for inducing tissue repair and regeneration. We then highlight the regenerative effects of hiPSC-derived vascular cells on animal models of myocardial infarction and hindlimb ischemia. Finally, we address several obstacles that need to be overcome to fully implement the use of hiPSC-derived vascular cells for clinical application.
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9
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Kim S, Nowicki KW, Gross BA, Wagner WR. Injectable hydrogels for vascular embolization and cell delivery: The potential for advances in cerebral aneurysm treatment. Biomaterials 2021; 277:121109. [PMID: 34530233 DOI: 10.1016/j.biomaterials.2021.121109] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 08/23/2021] [Accepted: 08/27/2021] [Indexed: 12/11/2022]
Abstract
Cerebral aneurysms are vascular lesions caused by the biomechanical failure of the vessel wall due to hemodynamic stress and inflammation. Aneurysmal rupture results in subarachnoid hemorrhage often leading to death or disability. Current treatment options include open surgery and minimally invasive endovascular options aimed at secluding the aneurysm from the circulation. Cerebral aneurysm embolization with appropriate materials is a therapeutic approach to prevent rupture and the resultant clinical sequelae. Metallic platinum coils are a typical, practical option to embolize cerebral aneurysms. However, the development of an alternative treatment modality is of interest because of poor occlusion permanence, coil migration, and coil compaction. Moreover, minimizing the implanted foreign materials during therapy is of importance not just to patients, but also to clinicians in the event an open surgical approach has to be pursued in the future. Polymeric injectable hydrogels have been investigated for transcatheter embolization and cell therapy with the potential for permanent aneurysm repair. This review focuses on how the combination of injectable embolic biomaterials and cell therapy may achieve minimally invasive remodeling of a degenerated cerebral artery with promise for superior outcomes in treatment of this devastating disease.
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Affiliation(s)
- Seungil Kim
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Kamil W Nowicki
- Department of Neurosurgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Bradley A Gross
- Department of Neurosurgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - William R Wagner
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA; Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA; Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA; Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, USA.
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10
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Elde S, Wang H, Woo YJ. The Expanding Armamentarium of Innovative Bioengineered Strategies to Augment Cardiovascular Repair and Regeneration. Front Bioeng Biotechnol 2021; 9:674172. [PMID: 34141702 PMCID: PMC8205517 DOI: 10.3389/fbioe.2021.674172] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 04/13/2021] [Indexed: 11/27/2022] Open
Abstract
Cardiovascular disease remains the leading cause of death worldwide. While clinical trials of cell therapy have demonstrated largely neutral results, recent investigations into the mechanisms of natural myocardial regeneration have demonstrated promising new intersections between molecular, cellular, tissue, biomaterial, and biomechanical engineering solutions. New insight into the crucial role of inflammation in natural regenerative processes may explain why previous efforts have yielded only modest degrees of regeneration. Furthermore, the new understanding of the interdependent relationship of inflammation and myocardial regeneration have catalyzed the emergence of promising new areas of investigation at the intersection of many fields.
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Affiliation(s)
- Stefan Elde
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA, United States
| | - Hanjay Wang
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA, United States.,Stanford Cardiovascular Institute, Stanford University, Stanford, CA, United States
| | - Y Joseph Woo
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA, United States.,Stanford Cardiovascular Institute, Stanford University, Stanford, CA, United States.,Department of Bioengineering, Stanford University, Stanford, CA, United States
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11
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Xing Z, Zhao C, Wu S, Zhang C, Liu H, Fan Y. Hydrogel-based therapeutic angiogenesis: An alternative treatment strategy for critical limb ischemia. Biomaterials 2021; 274:120872. [PMID: 33991951 DOI: 10.1016/j.biomaterials.2021.120872] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 04/24/2021] [Accepted: 05/02/2021] [Indexed: 02/08/2023]
Abstract
Critical limb ischemia (CLI) is the most severe clinical manifestation of peripheral arterial disease (PAD), resulting in the total or partial loss of limb function. Although the conventional treatment strategy of CLI (e.g., medical treatment and surgery) can improve blood perfusion and restore limb function, many patients are unsuitable for these strategies and they still face the threats of amputation or death. Therapeutic angiogenesis, as a potential solution for these problems, attempts to manipulate blood vessel growth in vivo for augment perfusion without the help of extra pharmaceutics and surgery. With the rise of interdisciplinary research, regenerative medicine strategies provide new possibilities for treating many clinical diseases. Hydrogel, as an excellent biocompatibility material, is an ideal candidate for delivering bioactive molecules and cells for therapeutic angiogenesis. Besides, hydrogel could precisely deliver, control release, and keep the bioactivity of cargos, making hydrogel-based therapeutic angiogenesis a new strategy for CLI therapy. In this review, we comprehensively discuss the approaches of hydrogel-based strategy for CLI treatment as well as their challenges, and future directions.
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Affiliation(s)
- Zheng Xing
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100191, PR China
| | - Chen Zhao
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, 100084, PR China
| | - Siwen Wu
- State Key Laboratory of Biotherapy/Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Chunchen Zhang
- Key Laboratory for Biomedical Engineering of Education Ministry of China, Zhejiang University, Hangzhou, 310027, PR China; Zhejiang Provincial Key Laboratory of Cardio-Cerebral Vascular Detection Technology and Medicinal Effectiveness Appraisal, Zhejiang University, Hangzhou, 310027, PR China
| | - Haifeng Liu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100191, PR China.
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100191, PR China.
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12
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Fernandes CSM, Pina AS, Roque ACA. Affinity-triggered hydrogels: Developments and prospects in biomaterials science. Biomaterials 2020; 268:120563. [PMID: 33276200 DOI: 10.1016/j.biomaterials.2020.120563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 11/17/2020] [Accepted: 11/19/2020] [Indexed: 01/05/2023]
Affiliation(s)
- Cláudia S M Fernandes
- UCIBIO, Chemistry Department, School of Science and Technology, NOVA University of Lisbon, Campus Caparica, 2829-516, Caparica, Portugal
| | - Ana Sofia Pina
- UCIBIO, Chemistry Department, School of Science and Technology, NOVA University of Lisbon, Campus Caparica, 2829-516, Caparica, Portugal
| | - Ana Cecília A Roque
- UCIBIO, Chemistry Department, School of Science and Technology, NOVA University of Lisbon, Campus Caparica, 2829-516, Caparica, Portugal.
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13
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Fonseca AC, Melchels FPW, Ferreira MJS, Moxon SR, Potjewyd G, Dargaville TR, Kimber SJ, Domingos M. Emulating Human Tissues and Organs: A Bioprinting Perspective Toward Personalized Medicine. Chem Rev 2020; 120:11128-11174. [PMID: 32937071 PMCID: PMC7645917 DOI: 10.1021/acs.chemrev.0c00342] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Indexed: 02/06/2023]
Abstract
The lack of in vitro tissue and organ models capable of mimicking human physiology severely hinders the development and clinical translation of therapies and drugs with higher in vivo efficacy. Bioprinting allow us to fill this gap and generate 3D tissue analogues with complex functional and structural organization through the precise spatial positioning of multiple materials and cells. In this review, we report the latest developments in terms of bioprinting technologies for the manufacturing of cellular constructs with particular emphasis on material extrusion, jetting, and vat photopolymerization. We then describe the different base polymers employed in the formulation of bioinks for bioprinting and examine the strategies used to tailor their properties according to both processability and tissue maturation requirements. By relating function to organization in human development, we examine the potential of pluripotent stem cells in the context of bioprinting toward a new generation of tissue models for personalized medicine. We also highlight the most relevant attempts to engineer artificial models for the study of human organogenesis, disease, and drug screening. Finally, we discuss the most pressing challenges, opportunities, and future prospects in the field of bioprinting for tissue engineering (TE) and regenerative medicine (RM).
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Affiliation(s)
- Ana Clotilde Fonseca
- Centre
for Mechanical Engineering, Materials and Processes, Department of
Chemical Engineering, University of Coimbra, Rua Sílvio Lima-Polo II, 3030-790 Coimbra, Portugal
| | - Ferry P. W. Melchels
- Institute
of Biological Chemistry, Biophysics and Bioengineering, School of
Engineering and Physical Sciences, Heriot-Watt
University, Edinburgh EH14 4AS, U.K.
| | - Miguel J. S. Ferreira
- Department
of Mechanical, Aerospace and Civil Engineering, School of Engineering,
Faculty of Science and Engineering, The
University of Manchester, Manchester M13 9PL, U.K.
| | - Samuel R. Moxon
- Division
of Neuroscience and Experimental Psychology, School of Biological
Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester M13 9PT, U.K.
| | - Geoffrey Potjewyd
- Division
of Neuroscience and Experimental Psychology, School of Biological
Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester M13 9PT, U.K.
| | - Tim R. Dargaville
- Institute
of Health and Biomedical Innovation, Science and Engineering Faculty, Queensland University of Technology, Queensland 4001, Australia
| | - Susan J. Kimber
- Division
of Cell Matrix Biology and Regenerative Medicine, School of Biological
Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester M13 9PT, U.K.
| | - Marco Domingos
- Department
of Mechanical, Aerospace and Civil Engineering, School of Engineering,
Faculty of Science and Engineering, The
University of Manchester, Manchester M13 9PL, U.K.
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14
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Obiweluozor FO, Emechebe GA, Kim DW, Cho HJ, Park CH, Kim CS, Jeong IS. Considerations in the Development of Small-Diameter Vascular Graft as an Alternative for Bypass and Reconstructive Surgeries: A Review. Cardiovasc Eng Technol 2020; 11:495-521. [PMID: 32812139 DOI: 10.1007/s13239-020-00482-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 08/11/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Current design strategies for small diameter vascular grafts (< 6 mm internal diameter; ID) are focused on mimicking native vascular tissue because the commercially available grafts still fail at small diameters, notably due to development of intimal hyperplasia and thrombosis. To overcome these challenges, various design approaches, material selection, and surface modification strategies have been employed to improve the patency of small-diameter grafts. REVIEW The purpose of this review is to outline various considerations in the development of small-diameter vascular grafts, including material choice, surface modifications to enhance biocompatibility/endothelialization, and mechanical properties of the graft, that are currently being implanted. Additionally, we have taken into account the general vascular physiology, tissue engineering approaches, and collective achievements of the authors in this area. We reviewed both commercially available synthetic grafts (e-PTFE and PET), elastic polymers such as polyurethane and biodegradable and bioresorbable materials. We included naturally occurring materials by focusing on their potential application in the development of future vascular alternatives. CONCLUSION Until now, there are few comprehensive reviews regarding considerations in the design of small-diameter vascular grafts in the literature. Here-in, we have discussed in-depth the various strategies employed to generate engineered vascular graft due to their high demand for vascular surgeries. While some TEVG design strategies have shown greater potential in contrast to autologous or synthetic ePTFE conduits, many are still hindered by high production cost which prevents their widespread adoption. Nonetheless, as tissue engineers continue to develop on their strategies and procedures for improved TEVGs, soon, a reliable engineered graft will be available in the market. Hence, we anticipate a viable TEVG with resorbable property, fabricated via electrospinning approach to hold a greater potential that can overcome the challenges observed in both autologous and allogenic grafts. This is because they can be mechanically tuned, incorporated/surface-functionalized with bioactive molecules and mass-manufactured in a reproducible manner. It is also found that most of the success in engineered vascular graft approaching commercialization is for large vessels rather than small-diameter grafts used as cardiovascular bypass grafts. Consequently, the field of vascular engineering is still available for future innovators that can take up the challenge to create a functional arterial substitute.
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Affiliation(s)
- Francis O Obiweluozor
- Department of Cardiac and Thoracic Surgery, Chonnam National University Hospital and Medical School, 42 Jebong-Ro Dong-gu, Gwangju, 501-757, Republic of Korea.
| | - Gladys A Emechebe
- Department of Bionanosystem Engineering Graduate School, Chonbuk National University, Jeonju City, Republic of Korea
| | - Do-Wan Kim
- Department of Cardiac and Thoracic Surgery, Chonnam National University Hospital and Medical School, 42 Jebong-Ro Dong-gu, Gwangju, 501-757, Republic of Korea
| | - Hwa-Jin Cho
- Department of Cardiac and Thoracic Surgery, Chonnam National University Hospital and Medical School, 42 Jebong-Ro Dong-gu, Gwangju, 501-757, Republic of Korea
| | - Chan Hee Park
- Department of Bionanosystem Engineering Graduate School, Chonbuk National University, Jeonju City, Republic of Korea
- Department of Mechanical Engineering Graduate School, Chonbuk National University, Jeonju City, Republic of Korea
| | - Cheol Sang Kim
- Department of Bionanosystem Engineering Graduate School, Chonbuk National University, Jeonju City, Republic of Korea
- Department of Mechanical Engineering Graduate School, Chonbuk National University, Jeonju City, Republic of Korea
| | - In Seok Jeong
- Department of Cardiac and Thoracic Surgery, Chonnam National University Hospital and Medical School, 42 Jebong-Ro Dong-gu, Gwangju, 501-757, Republic of Korea.
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15
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Wu T, Leng X, Wang Y, Wei Z, Li Y. Linear- and star-brush poly(ethylene glycol)s: Synthesis and architecture-dependent crystallization behavior. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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Hao D, Liu R, Gao K, He C, He S, Zhao C, Sun G, Farmer DL, Panitch A, Lam KS, Wang A. Developing an Injectable Nanofibrous Extracellular Matrix Hydrogel With an Integrin αvβ3 Ligand to Improve Endothelial Cell Survival, Engraftment and Vascularization. Front Bioeng Biotechnol 2020; 8:890. [PMID: 32850742 PMCID: PMC7403189 DOI: 10.3389/fbioe.2020.00890] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Accepted: 07/10/2020] [Indexed: 01/01/2023] Open
Abstract
Endothelial cell (EC) transplantation via injectable collagen hydrogel has received much attention as a potential treatment for various vascular diseases. However, the therapeutic effect of transplanted ECs is limited by their poor viability, which partially occurs as a result of cellular apoptosis triggered by the insufficient cell-extracellular matrix (ECM) engagement. Integrin binding to the ECM is crucial for cell anchorage to the surrounding matrix, cell spreading and migration, and further activation of intracellular signaling pathways. Although collagen contains several different types of integrin binding sites, it still lacks sufficient specific binding sites for ECs. Previously, using one-bead one-compound (OBOC) combinatorial technology, we identified LXW7, an integrin αvβ3 ligand, which possessed a strong binding affinity to and enhanced functionality of ECs. In this study, to improve the EC-matrix interaction, we developed an approach to molecularly conjugate LXW7 to the collagen backbone, via a collagen binding peptide SILY, in order to increase EC specific integrin binding sites on the collagen hydrogel. Results showed that in the in vitro 2-dimensional (2D) culture model, the LXW7-treated collagen surface significantly improved EC attachment and survival and decreased caspase 3 activity in an ischemic-mimicking environment. In the in vitro 3-dimensional (3D) culture model, LXW7-modified collagen hydrogel significantly improved EC spreading, proliferation, and survival. In a mouse subcutaneous implantation model, LXW7-modified collagen hydrogel improved the engraftment of transplanted ECs and supported ECs to form vascular network structures. Therefore, LXW7-functionalized collagen hydrogel has shown promising potential to improve vascularization in tissue regeneration and may be used as a novel tool for EC delivery and the treatment of vascular diseases.
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Affiliation(s)
- Dake Hao
- Department of Surgery, School of Medicine, University of California, Davis, Sacramento, CA, United States
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA, United States
| | - Ruiwu Liu
- Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Sacramento, CA, United States
| | - Kewa Gao
- Department of Surgery, School of Medicine, University of California, Davis, Sacramento, CA, United States
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA, United States
| | - Chuanchao He
- Department of Surgery, School of Medicine, University of California, Davis, Sacramento, CA, United States
| | - Siqi He
- Department of Surgery, School of Medicine, University of California, Davis, Sacramento, CA, United States
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA, United States
| | - Cunyi Zhao
- Department of Biological and Agricultural Engineering, University of California, Davis, Davis, CA, United States
| | - Gang Sun
- Department of Biological and Agricultural Engineering, University of California, Davis, Davis, CA, United States
| | - Diana L. Farmer
- Department of Surgery, School of Medicine, University of California, Davis, Sacramento, CA, United States
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA, United States
| | - Alyssa Panitch
- Department of Surgery, School of Medicine, University of California, Davis, Sacramento, CA, United States
- Department of Biomedical Engineering, University of California, Davis, Davis, CA, United States
| | - Kit S. Lam
- Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Sacramento, CA, United States
| | - Aijun Wang
- Department of Surgery, School of Medicine, University of California, Davis, Sacramento, CA, United States
- Institute for Pediatric Regenerative Medicine, Shriners Hospitals for Children, Sacramento, CA, United States
- Department of Biomedical Engineering, University of California, Davis, Davis, CA, United States
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17
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Application of star poly(ethylene glycol) derivatives in drug delivery and controlled release. J Control Release 2020; 323:565-577. [DOI: 10.1016/j.jconrel.2020.04.039] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 04/22/2020] [Accepted: 04/23/2020] [Indexed: 12/12/2022]
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18
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Holt SE, Rakoski A, Jivan F, Pérez LM, Alge DL. Hydrogel Synthesis and Stabilization via Tetrazine Click-Induced Secondary Interactions. Macromol Rapid Commun 2020; 41:e2000287. [PMID: 32515861 PMCID: PMC8085762 DOI: 10.1002/marc.202000287] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Indexed: 12/27/2022]
Abstract
The discovery of tetrazine click-induced secondary interactions is reported as a promising new tool for polymeric biomaterial synthesis. This phenomenon is first demonstrated as a tool for poly(ethylene glycol) (PEG) hydrogel assembly via purely non-covalent interactions and is shown to yield robust gels with storage moduli one to two orders of magnitude higher than other non-covalent crosslinking methods. In addition, tetrazine click-induced secondary interactions also enhance the properties of covalently crosslinked hydrogels. A head-to-head comparison of PEG hydrogels crosslinked with tetrazine-norbornene and thiol-norbornene click chemistry reveals an approximately sixfold increase in storage modulus and unprecedented resistance to hydrolytic degradation in tetrazine click-crosslinked gels without substantial differences in gel fraction. Molecular dynamic simulations attribute these differences to the presence of secondary interactions between the tetrazine-norbornene cycloaddition products, which are absent in the thiol-norbornene crosslinked gels.
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Affiliation(s)
- Samantha E Holt
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, 77843-3120, USA
| | - Amanda Rakoski
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, 77843-3120, USA
| | - Faraz Jivan
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, 77843-3120, USA
| | - Lisa M Pérez
- High Performance Research Computing, Texas A&M University, College Station, TX, 77843-3361, USA
| | - Daniel L Alge
- Department of Biomedical Engineering, Texas A&M University, College Station, TX, 77843-3120, USA
- Department of Materials Science and Engineering, Texas A&M University, College Station, TX, 77843-3120, USA
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19
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Fernandes CSM, Rodrigues AL, Alves VD, Fernandes TG, Pina AS, Roque ACA. Natural Multimerization Rules the Performance of Affinity-Based Physical Hydrogels for Stem Cell Encapsulation and Differentiation. Biomacromolecules 2020; 21:3081-3091. [DOI: 10.1021/acs.biomac.0c00473] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Cláudia S. M. Fernandes
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Campus Caparica, 2829-516 Caparica, Portugal
| | - André L. Rodrigues
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 049-001 Lisboa, Portugal
| | - Vitor D. Alves
- LEAF, Linking Landscape, Environment, Agriculture and Food, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017 Lisboa, Portugal
| | - Tiago G. Fernandes
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 049-001 Lisboa, Portugal
| | - Ana Sofia Pina
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Campus Caparica, 2829-516 Caparica, Portugal
| | - Ana Cecília A. Roque
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Campus Caparica, 2829-516 Caparica, Portugal
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20
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Lemmens LM, Ottmann C, Brunsveld L. Conjugated Protein Domains as Engineered Scaffold Proteins. Bioconjug Chem 2020; 31:1596-1603. [PMID: 32374984 PMCID: PMC7303964 DOI: 10.1021/acs.bioconjchem.0c00183] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/05/2020] [Indexed: 01/12/2023]
Abstract
Assembly of proteins into higher-order complexes generates specificity and selectivity in cellular signaling. Signaling complex formation is facilitated by scaffold proteins that use modular scaffolding domains, which recruit specific pathway enzymes. Multimerization and recombination of these conjugated native domains allows the generation of libraries of engineered multidomain scaffold proteins. Analysis of these engineered proteins has provided molecular insight into the regulatory mechanism of the native scaffold proteins and the applicability of these synthetic variants. This topical review highlights the use of engineered, conjugated multidomain scaffold proteins on different length scales in the context of synthetic signaling pathways, metabolic engineering, liquid-liquid phase separation, and hydrogel formation.
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Affiliation(s)
- Lenne
J. M. Lemmens
- Laboratory of Chemical Biology, Department
of Biomedical Engineering, and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Christian Ottmann
- Laboratory of Chemical Biology, Department
of Biomedical Engineering, and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Luc Brunsveld
- Laboratory of Chemical Biology, Department
of Biomedical Engineering, and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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21
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Boso D, Maghin E, Carraro E, Giagante M, Pavan P, Piccoli M. Extracellular Matrix-Derived Hydrogels as Biomaterial for Different Skeletal Muscle Tissue Replacements. MATERIALS 2020; 13:ma13112483. [PMID: 32486040 PMCID: PMC7321144 DOI: 10.3390/ma13112483] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/13/2020] [Accepted: 05/27/2020] [Indexed: 12/11/2022]
Abstract
Recently, skeletal muscle represents a complex and challenging tissue to be generated in vitro for tissue engineering purposes. Several attempts have been pursued to develop hydrogels with different formulations resembling in vitro the characteristics of skeletal muscle tissue in vivo. This review article describes how different types of cell-laden hydrogels recapitulate the multiple interactions occurring between extracellular matrix (ECM) and muscle cells. A special attention is focused on the biochemical cues that affect myocytes morphology, adhesion, proliferation, and phenotype maintenance, underlining the importance of topographical cues exerted on the hydrogels to guide cellular orientation and facilitate myogenic differentiation and maturation. Moreover, we highlight the crucial role of 3D printing and bioreactors as useful platforms to finely control spatial deposition of cells into ECM based hydrogels and provide the skeletal muscle native-like tissue microenvironment, respectively.
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Affiliation(s)
- Daniele Boso
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, 35127 Padova, Italy; (E.M.); (E.C.); (M.G.); (P.P.)
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
- Correspondence: (D.B.); (M.P.)
| | - Edoardo Maghin
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, 35127 Padova, Italy; (E.M.); (E.C.); (M.G.); (P.P.)
- Department of Women and Children Health, University of Padova, 35128 Padova, Italy
| | - Eugenia Carraro
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, 35127 Padova, Italy; (E.M.); (E.C.); (M.G.); (P.P.)
- Department of Biomedical Sciences, University of Padova, 35131 Padova, Italy
| | - Mattia Giagante
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, 35127 Padova, Italy; (E.M.); (E.C.); (M.G.); (P.P.)
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
| | - Piero Pavan
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, 35127 Padova, Italy; (E.M.); (E.C.); (M.G.); (P.P.)
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
| | - Martina Piccoli
- Fondazione Istituto di Ricerca Pediatrica Città della Speranza, 35127 Padova, Italy; (E.M.); (E.C.); (M.G.); (P.P.)
- Correspondence: (D.B.); (M.P.)
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22
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Marquardt LM, Doulames VM, Wang AT, Dubbin K, Suhar RA, Kratochvil MJ, Medress ZA, Plant GW, Heilshorn SC. Designer, injectable gels to prevent transplanted Schwann cell loss during spinal cord injury therapy. SCIENCE ADVANCES 2020; 6:eaaz1039. [PMID: 32270042 PMCID: PMC7112763 DOI: 10.1126/sciadv.aaz1039] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 01/08/2020] [Indexed: 05/09/2023]
Abstract
Transplantation of patient-derived Schwann cells is a promising regenerative medicine therapy for spinal cord injuries; however, therapeutic efficacy is compromised by inefficient cell delivery. We present a materials-based strategy that addresses three common causes of transplanted cell death: (i) membrane damage during injection, (ii) cell leakage from the injection site, and (iii) apoptosis due to loss of endogenous matrix. Using protein engineering and peptide-based assembly, we designed injectable hydrogels with modular cell-adhesive and mechanical properties. In a cervical contusion model, our hydrogel matrix resulted in a greater than 700% improvement in successful Schwann cell transplantation. The combination therapy of cells and gel significantly improved the spatial distribution of transplanted cells within the endogenous tissue. A reduction in cystic cavitation and neuronal loss were also observed with substantial increases in forelimb strength and coordination. Using an injectable hydrogel matrix, therefore, can markedly improve the outcomes of cellular transplantation therapies.
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Affiliation(s)
- Laura M. Marquardt
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Vanessa M. Doulames
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Alice T. Wang
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
| | - Karen Dubbin
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
| | - Riley A. Suhar
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
| | - Michael J. Kratochvil
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
- Division of Infectious Diseases, Stanford University School of Medicine, Stanford CA 94305, USA
| | - Zachary A. Medress
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Giles W. Plant
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA 94305, USA
- Corresponding author. (G.W.P.); (S.C.H.)
| | - Sarah C. Heilshorn
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
- Corresponding author. (G.W.P.); (S.C.H.)
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23
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Liao X, Yang X, Deng H, Hao Y, Mao L, Zhang R, Liao W, Yuan M. Injectable Hydrogel-Based Nanocomposites for Cardiovascular Diseases. Front Bioeng Biotechnol 2020; 8:251. [PMID: 32296694 PMCID: PMC7136457 DOI: 10.3389/fbioe.2020.00251] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 03/11/2020] [Indexed: 12/12/2022] Open
Abstract
Cardiovascular diseases (CVDs), including a series of pathological disorders, severely affect millions of people all over the world. To address this issue, several potential therapies have been developed for treating CVDs, including injectable hydrogels as a minimally invasive method. However, the utilization of injectable hydrogel is a bit restricted recently owing to some limitations, such as transporting the therapeutic agent more accurately to the target site and prolonging their retention locally. This review focuses on the advances in injectable hydrogels for CVD, detailing the types of injectable hydrogels (natural or synthetic), especially that complexed with stem cells, cytokines, nano-chemical particles, exosomes, genetic material including DNA or RNA, etc. Moreover, we summarized the mainly prominent mechanism, based on which injectable hydrogel present excellent treating effect of cardiovascular repair. All in all, it is hopefully that injectable hydrogel-based nanocomposites would be a potential candidate through cardiac repair in CVDs treatment.
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Affiliation(s)
- Xiaoshan Liao
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
| | - Xushan Yang
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Hong Deng
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Yuting Hao
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Lianzhi Mao
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Rongjun Zhang
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Wenzhen Liao
- Department of Nutrition and Food Hygiene, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Miaomiao Yuan
- The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen, China
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25
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Sun J, Ma X, Chu HT, Feng B, Tuan RS, Jiang Y. Biomaterials and Advanced Biofabrication Techniques in hiPSCs Based Neuromyopathic Disease Modeling. Front Bioeng Biotechnol 2019; 7:373. [PMID: 31850331 PMCID: PMC6895005 DOI: 10.3389/fbioe.2019.00373] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 11/13/2019] [Indexed: 12/22/2022] Open
Abstract
Induced pluripotent stem cells (iPSCs) are reprogrammed somatic cells by defined factors, and have great application potentials in tissue regeneration and disease modeling. Biomaterials have been widely used in stem cell-based studies, and are involved in human iPSCs based studies, but they were not enough emphasized and recognized. Biomaterials can mimic the extracellular matrix and microenvironment, and act as powerful tools to promote iPSCs proliferation, differentiation, maturation, and migration. Many classic and advanced biofabrication technologies, such as cell-sheet approach, electrospinning, and 3D-bioprinting, are used to provide physical cues in macro-/micro-patterning, and in combination with other biological factors to support iPSCs applications. In this review, we highlight the biomaterials and fabrication technologies used in human iPSC-based tissue engineering to model neuromyopathic diseases, particularly those with genetic mutations, such as Duchenne Muscular Dystrophy (DMD), Congenital Heart Diseases (CHD) and Alzheimer's disease (AD).
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Affiliation(s)
- Jing Sun
- Faculty of Medicine, School of Biomedical Sciences, Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Xun Ma
- Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Ho Ting Chu
- Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Bo Feng
- Faculty of Medicine, School of Biomedical Sciences, Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China.,Key Laboratory for Regenerative Medicine, Ministry of Education, Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Rocky S Tuan
- Faculty of Medicine, School of Biomedical Sciences, Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
| | - Yangzi Jiang
- Faculty of Medicine, School of Biomedical Sciences, Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong, China.,Faculty of Medicine, School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong, China
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26
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García-Sánchez D, Fernández D, Rodríguez-Rey JC, Pérez-Campo FM. Enhancing survival, engraftment, and osteogenic potential of mesenchymal stem cells. World J Stem Cells 2019; 11:748-763. [PMID: 31692976 PMCID: PMC6828596 DOI: 10.4252/wjsc.v11.i10.748] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 07/15/2019] [Accepted: 07/29/2019] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are promising candidates for bone regeneration therapies due to their plasticity and easiness of sourcing. MSC-based treatments are generally considered a safe procedure, however, the long-term results obtained up to now are far from satisfactory. The main causes of these therapeutic limitations are inefficient homing, engraftment, and osteogenic differentiation. Many studies have proposed modifications to improve MSC engraftment and osteogenic differentiation of the transplanted cells. Several strategies are aimed to improve cell resistance to the hostile microenvironment found in the recipient tissue and increase cell survival after transplantation. These strategies could range from a simple modification of the culture conditions, known as cell-preconditioning, to the genetic modification of the cells to avoid cellular senescence. Many efforts have also been done in order to enhance the osteogenic potential of the transplanted cells and induce bone formation, mainly by the use of bioactive or biomimetic scaffolds, although alternative approaches will also be discussed. This review aims to summarize several of the most recent approaches, providing an up-to-date view of the main developments in MSC-based regenerative techniques.
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Affiliation(s)
- Daniel García-Sánchez
- Department of Molecular Biology, Faculty of Medicine, University of Cantabria, Cantabria 39011, Spain
| | - Darío Fernández
- Laboratorio de Biología Celular y Molecular, Facultad de Odontología, Universidad Nacional del Nordeste, Corrientes W3400, Argentina
| | - José C Rodríguez-Rey
- Department of Molecular Biology, Faculty of Medicine, University of Cantabria, Cantabria 39011, Spain
| | - Flor M Pérez-Campo
- Department of Molecular Biology, Faculty of Medicine, University of Cantabria, Cantabria 39011, Spain.
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27
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Talebian S, Mehrali M, Taebnia N, Pennisi CP, Kadumudi FB, Foroughi J, Hasany M, Nikkhah M, Akbari M, Orive G, Dolatshahi‐Pirouz A. Self-Healing Hydrogels: The Next Paradigm Shift in Tissue Engineering? ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1801664. [PMID: 31453048 PMCID: PMC6702654 DOI: 10.1002/advs.201801664] [Citation(s) in RCA: 228] [Impact Index Per Article: 45.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 03/04/2019] [Indexed: 05/18/2023]
Abstract
Given their durability and long-term stability, self-healable hydrogels have, in the past few years, emerged as promising replacements for the many brittle hydrogels currently being used in preclinical or clinical trials. To this end, the incompatibility between hydrogel toughness and rapid self-healing remains unaddressed, and therefore most of the self-healable hydrogels still face serious challenges within the dynamic and mechanically demanding environment of human organs/tissues. Furthermore, depending on the target tissue, the self-healing hydrogels must comply with a wide range of properties including electrical, biological, and mechanical. Notably, the incorporation of nanomaterials into double-network hydrogels is showing great promise as a feasible way to generate self-healable hydrogels with the above-mentioned attributes. Here, the recent progress in the development of multifunctional and self-healable hydrogels for various tissue engineering applications is discussed in detail. Their potential applications within the rapidly expanding areas of bioelectronic hydrogels, cyborganics, and soft robotics are further highlighted.
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Affiliation(s)
- Sepehr Talebian
- Intelligent Polymer Research InstituteARC Centre of Excellence for Electromaterials ScienceAIIM FacilityUniversity of WollongongNSW2522Australia
- Illawarra Health and Medical Research InstituteUniversity of WollongongWollongongNSW2522Australia
| | - Mehdi Mehrali
- DTU NanotechCenter for Intestinal Absorption and Transport of BiopharmaceuticalsTechnical University of DenmarkLyngby2800KgsDenmark
| | - Nayere Taebnia
- DTU NanotechCenter for Intestinal Absorption and Transport of BiopharmaceuticalsTechnical University of DenmarkLyngby2800KgsDenmark
| | - Cristian Pablo Pennisi
- Laboratory for Stem Cell ResearchDepartment of Health Science and TechnologyAalborg UniversityFredrik Bajers vej 3B9220AalborgDenmark
| | - Firoz Babu Kadumudi
- DTU NanotechCenter for Intestinal Absorption and Transport of BiopharmaceuticalsTechnical University of DenmarkLyngby2800KgsDenmark
| | - Javad Foroughi
- Intelligent Polymer Research InstituteARC Centre of Excellence for Electromaterials ScienceAIIM FacilityUniversity of WollongongNSW2522Australia
- Illawarra Health and Medical Research InstituteUniversity of WollongongWollongongNSW2522Australia
| | - Masoud Hasany
- DTU NanotechCenter for Intestinal Absorption and Transport of BiopharmaceuticalsTechnical University of DenmarkLyngby2800KgsDenmark
| | - Mehdi Nikkhah
- School of Biological Health and Systems Engineering (SBHSE)Arizona State UniversityTempeAZ85287USA
| | - Mohsen Akbari
- Laboratory for Innovations in MicroEngineering (LiME)Department of Mechanical EngineeringUniversity of VictoriaVictoriaBCV8P 5C2Canada
- Center for Biomedical ResearchUniversity of Victoria3800VictoriaCanada
- Center for Advanced Materials and Related TechnologiesUniversity of Victoria3800VictoriaCanada
| | - Gorka Orive
- NanoBioCel GroupLaboratory of PharmaceuticsSchool of PharmacyUniversity of the Basque Country UPV/EHUPaseo de la Universidad 701006Vitoria‐GasteizSpain
- Biomedical Research Networking Centre in BioengineeringBiomaterials, and Nanomedicine (CIBER‐BBN)Vitoria‐Gasteiz28029Spain
- University Institute for Regenerative Medicine and Oral Implantology – UIRMI (UPV/EHU‐Fundación Eduardo Anitua)Vitoria01007Spain
- BTI Biotechnology InstituteVitoria01007Spain
| | - Alireza Dolatshahi‐Pirouz
- DTU NanotechCenter for Intestinal Absorption and Transport of BiopharmaceuticalsTechnical University of DenmarkLyngby2800KgsDenmark
- Department of Dentistry‐Regenerative BiomaterialsRadboud University Medical CenterPhilips van Leydenlaan 25Nijmegen6525EXThe Netherlands
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28
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Fernandes CSM, Pina AS, Moura Barbosa AJ, Padrão I, Duarte F, Teixeira CAS, Alves V, Gomes P, Fernandes TG, Carvalho Dias AMG, Roque ACA. Affinity‐Triggered Assemblies Based on a Designed Peptide–Peptide Affinity Pair. Biotechnol J 2019; 14:e1800559. [DOI: 10.1002/biot.201800559] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 06/12/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Cláudia S. M. Fernandes
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, UCIBIOUniversidade NOVA de LisboaCampus Caparica 2829‐516 Caparica Portugal
| | - Ana S. Pina
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, UCIBIOUniversidade NOVA de LisboaCampus Caparica 2829‐516 Caparica Portugal
| | - Arménio J. Moura Barbosa
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, UCIBIOUniversidade NOVA de LisboaCampus Caparica 2829‐516 Caparica Portugal
| | - Inês Padrão
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, UCIBIOUniversidade NOVA de LisboaCampus Caparica 2829‐516 Caparica Portugal
| | - Filipa Duarte
- LAQV‐REQUIMTE, Departamento de Química e Bioquímica, Faculdade de CiênciasUniversidade do PortoRua do Campo Alegre 687 4169‐007 Porto Portugal
| | - Cátia A. S. Teixeira
- LAQV‐REQUIMTE, Departamento de Química e Bioquímica, Faculdade de CiênciasUniversidade do PortoRua do Campo Alegre 687 4169‐007 Porto Portugal
| | - Vítor Alves
- LEAF, Linking Landscape, Environment, Agriculture and Food, Instituto Superior de AgronomiaUniversidade de LisboaTapada da Ajuda 1349‐017 Lisboa Portugal
| | - Paula Gomes
- LAQV‐REQUIMTE, Departamento de Química e Bioquímica, Faculdade de CiênciasUniversidade do PortoRua do Campo Alegre 687 4169‐007 Porto Portugal
| | - Tiago G. Fernandes
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior TécnicoUniversidade de LisboaAv. Rovisco Pais 1049‐001 Lisboa Portugal
- The Discoveries Centre for Regenerative and Precision MedicineUniversidade de LisboaLisbon Campus 1049‐001 Lisboa Portugal
| | - Ana M. G. Carvalho Dias
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, UCIBIOUniversidade NOVA de LisboaCampus Caparica 2829‐516 Caparica Portugal
| | - Ana C. A. Roque
- UCIBIO, Departamento de Química, Faculdade de Ciências e Tecnologia, UCIBIOUniversidade NOVA de LisboaCampus Caparica 2829‐516 Caparica Portugal
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29
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Browne S, Healy KE. Matrix-assisted cell transplantation for tissue vascularization. Adv Drug Deliv Rev 2019; 146:155-169. [PMID: 30605738 DOI: 10.1016/j.addr.2018.12.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 10/30/2018] [Accepted: 12/27/2018] [Indexed: 12/20/2022]
Abstract
Cell therapy offers much promise for the treatment of ischemic diseases by augmenting tissue vasculogenesis. Matrix-assisted cell transplantation (MACT) has been proposed as a solution to enhance cell survival and integration with host tissue following transplantation. By designing semi synthetic matrices (sECM) with the correct physical and biochemical signals, encapsulated cells are directed towards a more angiogenic phenotype. In this review, we describe the choice of cells suitable for pro-angiogenic therapies, the properties that should be considered when designing sECM for transplantation and their relative importance. Pre-clinical models where MACT has been successfully applied to promote angiogenesis are reviewed to show the great potential of this strategy to treat ischemic conditions.
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Affiliation(s)
- Shane Browne
- Department of Bioengineering, University of California, Berkeley, CA 94720, USA; Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, USA; Centre for Research in Medical Devices (CÚRAM), National University of Ireland, Galway, Ireland
| | - Kevin E Healy
- Department of Bioengineering, University of California, Berkeley, CA 94720, USA; Department of Materials Science and Engineering, University of California, Berkeley, CA 94720, USA.
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30
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Gorecka J, Kostiuk V, Fereydooni A, Gonzalez L, Luo J, Dash B, Isaji T, Ono S, Liu S, Lee SR, Xu J, Liu J, Taniguchi R, Yastula B, Hsia HC, Qyang Y, Dardik A. The potential and limitations of induced pluripotent stem cells to achieve wound healing. Stem Cell Res Ther 2019; 10:87. [PMID: 30867069 PMCID: PMC6416973 DOI: 10.1186/s13287-019-1185-1] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Wound healing is the physiologic response to a disruption in normal skin architecture and requires both spatial and temporal coordination of multiple cell types and cytokines. This complex process is prone to dysregulation secondary to local and systemic factors such as ischemia and diabetes that frequently lead to chronic wounds. Chronic wounds such as diabetic foot ulcers are epidemic with great cost to the healthcare system as they heal poorly and recur frequently, creating an urgent need for new and advanced therapies. Stem cell therapy is emerging as a potential treatment for chronic wounds, and adult-derived stem cells are currently employed in several commercially available products; however, stem cell therapy is limited by the need for invasive harvesting techniques, immunogenicity, and limited cell survival in vivo. Induced pluripotent stem cells (iPSC) are an exciting cell type with enhanced therapeutic and translational potential. iPSC are derived from adult cells by in vitro induction of pluripotency, obviating the ethical dilemmas surrounding the use of embryonic stem cells; they are harvested non-invasively and can be transplanted autologously, reducing immune rejection; and iPSC are the only cell type capable of being differentiated into all of the cell types in healthy skin. This review focuses on the use of iPSC in animal models of wound healing including limb ischemia, as well as their limitations and methods aimed at improving iPSC safety profile in an effort to hasten translation to human studies.
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Affiliation(s)
- Jolanta Gorecka
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Valentyna Kostiuk
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Arash Fereydooni
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Luis Gonzalez
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Jiesi Luo
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, Yale School of Medicine, 300 George Street, Ste 773A, New Haven, CT, 06511, USA
| | - Biraja Dash
- Section of Plastic Surgery, Department of Surgery, Yale School of Medicine, Yale University, PO Box 208062, New Haven, CT, 06520-8062, USA
| | - Toshihiko Isaji
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Shun Ono
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Shirley Liu
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Shin Rong Lee
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Jianbiao Xu
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Jia Liu
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Ryosuke Taniguchi
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Bogdan Yastula
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA
| | - Henry C Hsia
- Section of Plastic Surgery, Department of Surgery, Yale School of Medicine, Yale University, PO Box 208062, New Haven, CT, 06520-8062, USA
| | - Yibing Qyang
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale Cardiovascular Research Center, Yale School of Medicine, 300 George Street, Ste 773A, New Haven, CT, 06511, USA.,Yale Stem Cell Center, Yale University, New Haven, USA.,Vascular Biology and Therapeutics Program, Yale School of Medicine, New Haven, USA.,Department of Pathology, Yale University, New Haven, USA
| | - Alan Dardik
- Vascular Biology and Therapeutics Program and the Department of Surgery, Yale School of Medicine, Yale University, 10 Amistad Street, Room 437, PO Box 208089, New Haven, CT, 06520-8089, USA.
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31
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Steele AN, Stapleton LM, Farry JM, Lucian HJ, Paulsen MJ, Eskandari A, Hironaka CE, Thakore AD, Wang H, Yu AC, Chan D, Appel EA, Woo YJ. A Biocompatible Therapeutic Catheter-Deliverable Hydrogel for In Situ Tissue Engineering. Adv Healthc Mater 2019; 8:e1801147. [PMID: 30714355 DOI: 10.1002/adhm.201801147] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 01/10/2019] [Indexed: 12/14/2022]
Abstract
Hydrogels have emerged as a diverse class of biomaterials offering a broad range of biomedical applications. Specifically, injectable hydrogels are advantageous for minimally invasive delivery of various therapeutics and have great potential to treat a number of diseases. However, most current injectable hydrogels are limited by difficult and time-consuming fabrication techniques and are unable to be delivered through long, narrow catheters, preventing extensive clinical translation. Here, the development of an easily-scaled, catheter-injectable hydrogel utilizing a polymer-nanoparticle crosslinking mechanism is reported, which exhibits notable shear-thinning and self-healing behavior. Gelation of the hydrogel occurs immediately upon mixing the biochemically modified hyaluronic acid polymer with biodegradable nanoparticles and can be easily injected through a high-gauge syringe due to the dynamic nature of the strong, yet reversible crosslinks. Furthermore, the ability to deliver this novel hydrogel through a long, narrow, physiologically-relevant catheter affixed with a 28-G needle is highlighted, with hydrogel mechanics unchanged after delivery. Due to the composition of the gel, it is demonstrated that therapeutics can be differentially released with distinct elution profiles, allowing precise control over drug delivery. Finally, the cell-signaling and biocompatibility properties of this innovative hydrogel are demonstrated, revealing its wide range of therapeutic applications.
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Affiliation(s)
- Amanda N. Steele
- Department of Bioengineering; Stanford University; Stanford CA 94305 USA
- Department of Cardiothoracic Surgery; Stanford University; Stanford CA 94305 USA
| | - Lyndsay M. Stapleton
- Department of Bioengineering; Stanford University; Stanford CA 94305 USA
- Department of Cardiothoracic Surgery; Stanford University; Stanford CA 94305 USA
| | - Justin M. Farry
- Department of Cardiothoracic Surgery; Stanford University; Stanford CA 94305 USA
| | - Haley J. Lucian
- Department of Cardiothoracic Surgery; Stanford University; Stanford CA 94305 USA
| | - Michael J. Paulsen
- Department of Cardiothoracic Surgery; Stanford University; Stanford CA 94305 USA
| | - Anahita Eskandari
- Department of Cardiothoracic Surgery; Stanford University; Stanford CA 94305 USA
| | - Camille E. Hironaka
- Department of Cardiothoracic Surgery; Stanford University; Stanford CA 94305 USA
| | - Akshara D. Thakore
- Department of Cardiothoracic Surgery; Stanford University; Stanford CA 94305 USA
| | - Hanjay Wang
- Department of Cardiothoracic Surgery; Stanford University; Stanford CA 94305 USA
| | - Anthony C. Yu
- Department of Materials Science & Engineering; Stanford University; Stanford CA 94305 USA
| | - Doreen Chan
- Department of Materials Science & Engineering; Stanford University; Stanford CA 94305 USA
| | - Eric A. Appel
- Department of Materials Science & Engineering; Stanford University; Stanford CA 94305 USA
| | - Yiping Joseph Woo
- Department of Bioengineering; Stanford University; Stanford CA 94305 USA
- Department of Cardiothoracic Surgery; Stanford University; Stanford CA 94305 USA
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32
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Youngblood RL, Truong NF, Segura T, Shea LD. It's All in the Delivery: Designing Hydrogels for Cell and Non-viral Gene Therapies. Mol Ther 2018; 26:2087-2106. [PMID: 30107997 PMCID: PMC6127639 DOI: 10.1016/j.ymthe.2018.07.022] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2018] [Revised: 07/24/2018] [Accepted: 07/24/2018] [Indexed: 01/08/2023] Open
Abstract
Hydrogels provide a regenerative medicine platform with their ability to create an environment that supports transplanted or endogenous infiltrating cells and enables these cells to restore or replace the function of tissues lost to disease or trauma. Furthermore, these systems have been employed as delivery vehicles for therapeutic genes, which can direct and/or enhance the function of the transplanted or endogenous cells. Herein, we review recent advances in the development of hydrogels for cell and non-viral gene delivery through understanding the design parameters, including both physical and biological components, on promoting transgene expression, cell engraftment, and ultimately cell function. Furthermore, this review identifies emerging opportunities for combining cell and gene delivery approaches to overcome challenges to the field.
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Affiliation(s)
- Richard L Youngblood
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
| | - Norman F Truong
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Tatiana Segura
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA 90095, USA; Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA.
| | - Lonnie D Shea
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI 48109, USA.
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33
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Ma Z, Zhang M, Yue J, Alcazar C, Zhong Y, Doyle TC, Dai H, Huang NF. Near-Infrared IIb Fluorescence Imaging of Vascular Regeneration with Dynamic Tissue Perfusion Measurement and High Spatial Resolution. ADVANCED FUNCTIONAL MATERIALS 2018; 28:1803417. [PMID: 31327961 PMCID: PMC6640151 DOI: 10.1002/adfm.201803417] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Indexed: 05/22/2023]
Abstract
Real-time optical imaging is a promising approach for visualizing in vivo hemodynamics and vascular structure in mice with experimentally induced peripheral arterial disease (PAD). We report the application of a novel fluorescence-based all-optical imaging approach in the near-infrared IIb (NIR-IIb, 1500-1700 nm emission) window, for imaging hindlimb microvasculature and blood perfusion in a mouse model of PAD. In phantom studies, lead sulfide/cadmium sulfide (PbS/CdS) quantum dots showed better retention of image clarity, in comparison with single-walled nanotube (SWNT) NIR-IIa (1000-1400nm) dye, at varying depths of penetration. When systemically injected to mice, PbS/CdS demonstrated improved clarity of the vasculature, compared to SWNTs, as well as higher spatial resolution than in vivo microscopic computed tomography. In a mouse model of PAD, NIR-IIb imaging of the ischemic hindlimb vasculature showed significant improvement in blood perfusion over the course of 10 days (P<0.05), as well as a significant increase in microvascular density over the first 7 days after induction of PAD. In conclusion, NIR-IIb imaging of PbS/CdS vascular contrast agent is a useful multi-functional imaging approach for high spatial resolution imaging of the microvasculature and quantification of blood perfusion recovery.
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Affiliation(s)
- Zhuoran Ma
- Department of Chemistry, Stanford University, 380 Roth Way, Stanford, CA 94305-5080
| | - Mingxi Zhang
- Department of Chemistry, Stanford University, 380 Roth Way, Stanford, CA 94305-5080
| | - Jingying Yue
- Department of Chemistry, Stanford University, 380 Roth Way, Stanford, CA 94305-5080
| | - Cynthia Alcazar
- Veterans Affairs Palo Alto Health Care System, 3801 Miranda Avenue, Palo Alto, CA, 94304, USA
| | - Yeteng Zhong
- Department of Chemistry, Stanford University, 380 Roth Way, Stanford, CA 94305-5080
| | - Timothy C Doyle
- Department of Pediatrics, Stanford University, 318 Campus Drive West Stanford, CA, 94305
| | - Hongjie Dai
- Department of Chemistry, Stanford University, 380 Roth Way, Stanford, CA 94305-5080,
| | - Ngan F Huang
- Department of Cardiothoracic Surgery and Cardiovascular Institute, Stanford University, 300 Pasteur Drive, Stanford, CA 94305-5407, USA,
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34
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Schmidt S, Lilienkampf A, Bradley M. New substrates for stem cell control. Philos Trans R Soc Lond B Biol Sci 2018; 373:20170223. [PMID: 29786558 PMCID: PMC5974446 DOI: 10.1098/rstb.2017.0223] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/08/2018] [Indexed: 12/16/2022] Open
Abstract
The capacity to culture stem cells in a controllable, robust and scalable manner is necessary in order to develop successful strategies for the generation of cellular and tissue platforms for drug screening, toxicity testing, tissue engineering and regenerative medicine. Creating substrates that support the expansion, maintenance or directional differentiation of stem cells would greatly aid these efforts. Optimally, the substrates used should be chemically defined and synthetically scalable, allowing growth under defined, serum-free culture conditions. To achieve this, the chemical and physical attributes of the substrates should mimic the natural tissue environment and allow control of their biological properties. Herein, recent advances in the development of materials to study/manipulate stem cells, both in vitro and in vivo, are described with a focus on the novelty of the substrates' properties, and on application of substrates to direct stem cells.This article is part of the theme issue 'Designer human tissue: coming to a lab near you'.
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Affiliation(s)
- Sara Schmidt
- EaStCHEM School of Chemistry, The University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, UK
| | - Annamaria Lilienkampf
- EaStCHEM School of Chemistry, The University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, UK
| | - Mark Bradley
- EaStCHEM School of Chemistry, The University of Edinburgh, David Brewster Road, Edinburgh EH9 3FJ, UK
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35
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George PM, Oh B, Dewi R, Hua T, Cai L, Levinson A, Liang X, Krajina BA, Bliss TM, Heilshorn SC, Steinberg GK. Engineered stem cell mimics to enhance stroke recovery. Biomaterials 2018; 178:63-72. [PMID: 29909038 DOI: 10.1016/j.biomaterials.2018.06.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 05/31/2018] [Accepted: 06/07/2018] [Indexed: 12/16/2022]
Abstract
Currently, no medical therapies exist to augment stroke recovery. Stem cells are an intriguing treatment option being evaluated, but cell-based therapies have several challenges including developing a stable cell product with long term reproducibility. Since much of the improvement observed from cellular therapeutics is believed to result from trophic factors the stem cells release over time, biomaterials are well-positioned to deliver these important molecules in a similar fashion. Here we show that essential trophic factors secreted from stem cells can be effectively released from a multi-component hydrogel system into the post-stroke environment. Using our polymeric system to deliver VEGF-A and MMP-9, we improved recovery after stroke to an equivalent degree as observed with traditional stem cell treatment in a rodent model. While VEGF-A and MMP-9 have many unique mechanisms of action, connective tissue growth factor (CTGF) interacts with both VEGF-A and MMP-9. With our hydrogel system as well as with stem cell delivery, the CTGF pathway is shown to be downregulated with improved stroke recovery.
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Affiliation(s)
- Paul M George
- Department of Neurology and the Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA; Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, USA; Stanford Stroke Center and Stanford University School of Medicine, Stanford, CA, USA.
| | - Byeongtaek Oh
- Department of Neurology and the Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Ruby Dewi
- Department of Material Science, Stanford University School of Medicine, Stanford, CA, USA
| | - Thuy Hua
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Lei Cai
- Department of Material Science, Stanford University School of Medicine, Stanford, CA, USA
| | - Alexa Levinson
- Department of Neurology and the Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
| | - Xibin Liang
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Brad A Krajina
- Department of Material Science, Stanford University School of Medicine, Stanford, CA, USA
| | - Tonya M Bliss
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Sarah C Heilshorn
- Department of Material Science, Stanford University School of Medicine, Stanford, CA, USA
| | - Gary K Steinberg
- Department of Neurology and the Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA; Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA, USA; Stanford Stroke Center and Stanford University School of Medicine, Stanford, CA, USA.
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36
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Abstract
PURPOSE OF REVIEW Human pluripotent stem cell-derived endothelial cells (hPSC-ECs) emerged as an important source of cells for cardiovascular regeneration. This review summarizes protocols for generating hPSC-ECs and provides an overview of the current state of the research in clinical application of hPSC-derived ECs. RECENT FINDINGS Various systems were developed for differentiating hPSCs into the EC lineage. Stepwise two-dimensional systems are now well established, in which various growth factors, small molecules, and coating materials are used at specific developmental stages. Moreover, studies made significant advances in clinical applicability of hPSC-ECs by removing undefined components from the differentiation system, improving the differentiation efficiency, and proving their direct vascular incorporating effects, which contrast with adult stem cells and their therapeutic effects in vivo. Finally, by using biomaterial-mediated delivery, investigators improved the survival of hPSC-ECs to more than 10 months in ischemic tissues and described long-term behavior and safety of in vivo transplanted hPSC-ECs at the histological level. hPSC-derived ECs can be as a critical source of cells for treating advanced cardiovascular diseases. Over the past two decades, substantial improvement has been made in the differentiation systems and their clinical compatibility. In the near future, establishment of fully defined differentiation systems and proof of the advantages of biomaterial-mediated cell delivery, with some additional pre-clinical studies, will move this therapy into a vital option for treating those diseases that cannot be managed by currently available therapies.
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Affiliation(s)
- Shin-Jeong Lee
- Biomedical Science Institute, Yonsei University College of Medicine, Seoul, South Korea
| | - Kyung Hee Kim
- From the Division of Cardiology, Department of Medicine, Emory University School of Medicine, 101 Woodruff Circle. WMB 3309, Atlanta, GA, 30322, USA
| | - Young-Sup Yoon
- Biomedical Science Institute, Yonsei University College of Medicine, Seoul, South Korea.
- From the Division of Cardiology, Department of Medicine, Emory University School of Medicine, 101 Woodruff Circle. WMB 3309, Atlanta, GA, 30322, USA.
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37
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Ong CS, Nam L, Ong K, Krishnan A, Huang CY, Fukunishi T, Hibino N. 3D and 4D Bioprinting of the Myocardium: Current Approaches, Challenges, and Future Prospects. BIOMED RESEARCH INTERNATIONAL 2018; 2018:6497242. [PMID: 29850546 PMCID: PMC5937623 DOI: 10.1155/2018/6497242] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 03/04/2018] [Accepted: 03/15/2018] [Indexed: 12/19/2022]
Abstract
3D and 4D bioprinting of the heart are exciting notions in the modern era. However, myocardial bioprinting has proven to be challenging. This review outlines the methods, materials, cell types, issues, challenges, and future prospects in myocardial bioprinting. Advances in 3D bioprinting technology have significantly improved the manufacturing process. While scaffolds have traditionally been utilized, 3D bioprinters, which do not require scaffolds, are increasingly being employed. Improved understanding of the cardiac cellular composition and multiple strategies to tackle the issues of vascularization and viability had led to progress in this field. In vivo studies utilizing small animal models have been promising. 4D bioprinting is a new concept that has potential to advance the field of 3D bioprinting further by incorporating the fourth dimension of time. Clinical translation will require multidisciplinary collaboration to tackle the pertinent issues facing this field.
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Affiliation(s)
- Chin Siang Ong
- Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
- Division of Cardiology, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Lucy Nam
- Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Kingsfield Ong
- Department of Cardiac, Thoracic and Vascular Surgery, National University Heart Centre, Singapore
| | - Aravind Krishnan
- Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Chen Yu Huang
- Division of Cardiology, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Takuma Fukunishi
- Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
| | - Narutoshi Hibino
- Division of Cardiac Surgery, Johns Hopkins Hospital, Baltimore, MD, USA
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38
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In Situ Organ-Specific Vascularization in Tissue Engineering. Trends Biotechnol 2018; 36:834-849. [PMID: 29555346 DOI: 10.1016/j.tibtech.2018.02.012] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Revised: 02/19/2018] [Accepted: 02/22/2018] [Indexed: 02/06/2023]
Abstract
Other than a few avascular tissues, almost all human tissues are connected to the systemic circulation via blood vessels that promote metabolism and function. Accordingly, engineered vascularization is a vital goal in tissue engineering for regenerative medicine. Endothelial cells (ECs) play a central role in vascularization with two significant specificities: physical interfaces between vascular stroma and blood, and phenotypic organ-specificity. Biomaterial scaffolding technologies that address these unique properties of ECs have been developed to promote the vascularization of various engineered tissues, and these have advanced from mimicking vascular architectures ex situ towards promoting spontaneous angiogenic remodeling in situ. Simultaneously, endothelial progenitor cells (EPCs) and organ-specific ECs are attracting more and more attention with the increasing awareness of the diversity of ECs in different organs.
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39
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Madl CM, Heilshorn SC. Bioorthogonal Strategies for Engineering Extracellular Matrices. ADVANCED FUNCTIONAL MATERIALS 2018; 28:1706046. [PMID: 31558890 PMCID: PMC6761700 DOI: 10.1002/adfm.201706046] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Hydrogels are commonly used as engineered extracellular matrix (ECM) mimics in applications ranging from tissue engineering to in vitro disease models. Ideal mechanisms used to crosslink ECM-mimicking hydrogels do not interfere with the biology of the system. However, most common hydrogel crosslinking chemistries exhibit some form of cross-reactivity. The field of bio-orthogonal chemistry has arisen to address the need for highly specific and robust reactions in biological contexts. Accordingly, bio-orthogonal crosslinking strategies have been incorporated into hydrogel design, allowing for gentle and efficient encapsulation of cells in various hydrogel materials. Furthermore, the selective nature of bio-orthogonal chemistries can permit dynamic modification of hydrogel materials in the presence of live cells and other biomolecules to alter matrix mechanical properties and biochemistry on demand. In this review, we provide an overview of bio-orthogonal strategies used to prepare cell-encapsulating hydrogels and highlight the potential applications of bio-orthogonal chemistries in the design of dynamic engineered ECMs.
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Affiliation(s)
- Christopher M Madl
- Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
| | - Sarah C Heilshorn
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA,
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40
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Sahoo JK, VandenBerg MA, Webber MJ. Injectable network biomaterials via molecular or colloidal self-assembly. Adv Drug Deliv Rev 2018; 127:185-207. [PMID: 29128515 DOI: 10.1016/j.addr.2017.11.005] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Revised: 09/16/2017] [Accepted: 11/06/2017] [Indexed: 11/19/2022]
Abstract
Self-assembly is a powerful tool to create functional materials. A specific application for which self-assembled materials are ideally suited is in creating injectable biomaterials. Contrasting with traditional biomaterials that are implanted through surgical means, injecting biomaterials through the skin offers numerous advantages, expanding the scope and impact for biomaterials in medicine. In particular, self-assembled biomaterials prepared from molecular or colloidal interactions have been frequently explored. The strategies to create these materials are varied, taking advantage of engineered oligopeptides, proteins, and nanoparticles as well as affinity-mediated crosslinking of synthetic precursors. Self-assembled materials typically facilitate injectability through two different mechanisms: i) in situ self-assembly, whereby materials would be administered in a monomeric or oligomeric form and self-assemble in response to some physiologic stimulus, or ii) self-assembled materials that, by virtue of their dynamic, non-covalent interactions, shear-thin to facilitate flow within a syringe and subsequently self-heal into its reassembled material form at the injection site. Indeed, many classes of materials are capable of being injected using a combination of these two mechanisms. Particular utility has been noted for self-assembled biomaterials in the context of tissue engineering, regenerative medicine, drug delivery, and immunoengineering. Given the controlled and multifunctional nature of many self-assembled materials demonstrated to date, we project a future where injectable self-assembled biomaterials afford improved practice in advancing healthcare.
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Affiliation(s)
- Jugal Kishore Sahoo
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, IN 46556, USA
| | - Michael A VandenBerg
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, IN 46556, USA
| | - Matthew J Webber
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, IN 46556, USA; Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA; Harper Cancer Research Institute, University of Notre Dame, Notre Dame, IN 46556, USA; Advanced Diagnostics and Therapeutics, University of Notre Dame, Notre Dame, IN 46556, USA; Warren Family Center for Drug Discovery and Development, University of Notre Dame, Notre Dame, IN 46556, USA; Center for Nanoscience and Technology (NDnano), University of Notre Dame, Notre Dame, IN 46556, USA.
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41
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Foster AA, Dewi RE, Cai L, Hou L, Strassberg Z, Alcazar C, Heilshorn SC, Huang NF. Protein-engineered hydrogels enhance the survival of induced pluripotent stem cell-derived endothelial cells for treatment of peripheral arterial disease. Biomater Sci 2018; 6:614-622. [PMID: 29406542 PMCID: PMC5829050 DOI: 10.1039/c7bm00883j] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A key feature of peripheral arterial disease (PAD) is damage to endothelial cells (ECs), resulting in lower limb pain and restricted blood flow. Recent preclinical studies demonstrate that the transplantation of ECs via direct injection into the affected limb can result in significantly improved blood circulation. Unfortunately, the clinical application of this therapy has been limited by low cell viability and poor cell function. To address these limitations we have developed an injectable, recombinant hydrogel, termed SHIELD (Shear-thinning Hydrogel for Injectable Encapsulation and Long-term Delivery) for cell transplantation. SHIELD provides mechanical protection from cell membrane damage during syringe flow. Additionally, secondary in situ crosslinking provides a reinforcing network to improve cell retention, thereby augmenting the therapeutic benefit of cell therapy. In this study, we demonstrate the improved acute viability of human induced pluripotent stem cell-derived endothelial cells (iPSC-ECs) following syringe injection delivery in SHIELD, compared to saline. Using a murine hind limb ischemia model of PAD, we demonstrate enhanced iPSC-EC retention in vivo and improved neovascularization of the ischemic limb based on arteriogenesis following transplantation of iPSC-ECs delivered in SHIELD.
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Affiliation(s)
- Abbygail A. Foster
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
- Stanford Cardiovascular Institute, Stanford University, Stanford, CA, USA
| | - Ruby E. Dewi
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
| | - Lei Cai
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
| | - Luqia Hou
- Stanford Cardiovascular Institute, Stanford University, Stanford, CA, USA
- Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | | | - Cynthia Alcazar
- Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Sarah C. Heilshorn
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
- Stanford Cardiovascular Institute, Stanford University, Stanford, CA, USA
| | - Ngan F. Huang
- Stanford Cardiovascular Institute, Stanford University, Stanford, CA, USA
- Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
- Department of Cardiothoracic Surgery, Stanford, CA, USA
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42
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Chien KH, Chang YL, Wang ML, Chuang JH, Yang YC, Tai MC, Wang CY, Liu YY, Li HY, Chen JT, Kao SY, Chen HL, Lo WL. Promoting Induced Pluripotent Stem Cell-driven Biomineralization and Periodontal Regeneration in Rats with Maxillary-Molar Defects using Injectable BMP-6 Hydrogel. Sci Rep 2018; 8:114. [PMID: 29311578 PMCID: PMC5758833 DOI: 10.1038/s41598-017-18415-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2017] [Accepted: 12/11/2017] [Indexed: 01/09/2023] Open
Abstract
Periodontal disease may cause considerable destruction of alveolar bone, periodontal ligaments (PDLs) and cementum and even lead to progressive oral dysfunction. Periodontal tissue regeneration is the ultimate goal of periodontal disease treatment to reconstruct both structures and functions. However, the regenerative efficiency is low, possibly due to the lack of a proper periodontal microenvironment. In this study, we applied an injectable and thermosensitive chitosan/gelatin/glycerol phosphate hydrogel to provide a 3D environment for transplanted stem cells and to enhance stem cell delivery and engraftment. The iPSCs-BMP-6-hydrogel complex promoted osteogenesis and the differentiation of new connective tissue and PDL formation. In animal models of maxillary-molar defects, the iPSCs-BMP-6-hydrogel-treated group showed significant mineralization with increased bone volume, trabecular number and trabecular thickness. Synergistic effects of iPSCs and BMP-6 increased both bone and cementum formation. IPSCs-BMP-6-hydrogel-treated animals showed new bone synthesis (increased ALP- and TRAP-positive cells), new PDL regeneration (shown through Masson’s trichrome staining and a qualification assay), and reduced levels of inflammatory cytokines. These findings suggest that hydrogel-encapsulated iPSCs combined with BMP-6 provide a new strategy to enhance periodontal regeneration. This combination not only promoted stem cell-derived graft engraftment but also minimized the progress of inflammation, which resulted in highly possible periodontal regeneration.
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Affiliation(s)
- Ke-Hung Chien
- Department of Ophthalmology, Tri-Service General Hospital and National Defense Medical Center, Taipei, 114, Taiwan.,Institute of Pharmacology, National Yang-Ming University, Taipei, 112, Taiwan
| | - Yuh-Lih Chang
- Institute of Pharmacology, National Yang-Ming University, Taipei, 112, Taiwan.,School of Medicine, National Yang-Ming University, Taipei, 112, Taiwan.,Department of Pharmacology, Taipei Veterans General Hospital, Taipei, 112, Taiwan
| | - Mong-Lien Wang
- School of Medicine, National Yang-Ming University, Taipei, 112, Taiwan.,Department of Medical Research, Taipei Veterans General Hospital, Taipei, 112, Taiwan
| | - Jen-Hua Chuang
- School of Medicine, National Yang-Ming University, Taipei, 112, Taiwan.,Department of Medical Research, Taipei Veterans General Hospital, Taipei, 112, Taiwan
| | - Ya-Chi Yang
- School of Medicine, National Yang-Ming University, Taipei, 112, Taiwan.,Department of Medical Research, Taipei Veterans General Hospital, Taipei, 112, Taiwan
| | - Ming-Cheng Tai
- Department of Ophthalmology, Tri-Service General Hospital and National Defense Medical Center, Taipei, 114, Taiwan
| | - Chien-Ying Wang
- School of Medicine, National Yang-Ming University, Taipei, 112, Taiwan.,Department of Medical Research, Taipei Veterans General Hospital, Taipei, 112, Taiwan
| | - Yung-Yang Liu
- School of Medicine, National Yang-Ming University, Taipei, 112, Taiwan.,Institute of Clinical Medicine, National Yang-Ming University, Taipei, 112, Taiwan.,Department of Chest, Taipei Veterans General Hospital, Taipei, 112, Taiwan
| | - Hsin-Yang Li
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, 112, Taiwan.,Institute of Anatomy and Cell Biology, National Yang-Ming University, Taipei, 112, Taiwan
| | - Jiang-Torng Chen
- Department of Ophthalmology, Tri-Service General Hospital and National Defense Medical Center, Taipei, 114, Taiwan
| | - Shou-Yen Kao
- Institute of Oral Biology, National Yang-Ming University, Taipei, 112, Taiwan.,Department of Stomatology, Taipei Veterans General Hospital, Taipei, 112, Taiwan
| | - Hen-Li Chen
- Institute of Oral Biology, National Yang-Ming University, Taipei, 112, Taiwan
| | - Wen-Liang Lo
- Institute of Oral Biology, National Yang-Ming University, Taipei, 112, Taiwan. .,Division of Oral and Maxillofacial Surgery, Department of Stomatology, Taipei Veterans General Hospital, Taipei, 112, Taiwan. .,Department of Dentistry, School of Dentistry, National Yang-Ming University, Taipei, 112, Taiwan.
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43
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Steele AN, Cai L, Truong VN, Edwards BB, Goldstone AB, Eskandari A, Mitchell AC, Marquardt LM, Foster AA, Cochran JR, Heilshorn SC, Woo YJ. A novel protein-engineered hepatocyte growth factor analog released via a shear-thinning injectable hydrogel enhances post-infarction ventricular function. Biotechnol Bioeng 2017; 114:2379-2389. [PMID: 28574594 PMCID: PMC5947314 DOI: 10.1002/bit.26345] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 05/23/2017] [Accepted: 05/28/2017] [Indexed: 12/12/2022]
Abstract
In the last decade, numerous growth factors and biomaterials have been explored for the treatment of myocardial infarction (MI). While pre-clinical studies have demonstrated promising results, clinical trials have been disappointing and inconsistent, likely due to poor translatability. In the present study, we investigate a potential myocardial regenerative therapy consisting of a protein-engineered dimeric fragment of hepatocyte growth factor (HGFdf) encapsulated in a shear-thinning, self-healing, bioengineered hydrogel (SHIELD). We hypothesized that SHIELD would facilitate targeted, sustained intramyocardial delivery of HGFdf thereby attenuating myocardial injury and post-infarction remodeling. Adult male Wistar rats (n = 45) underwent sham surgery or induction of MI followed by injection of phosphate buffered saline (PBS), 10 μg HGFdf alone, SHIELD alone, or SHIELD encapsulating 10 μg HGFdf. Ventricular function, infarct size, and angiogenic response were assessed 4 weeks post-infarction. Treatment with SHIELD + HGFdf significantly reduced infarct size and increased both ejection fraction and borderzone arteriole density compared to the controls. Thus, sustained delivery of HGFdf via SHIELD limits post-infarction adverse ventricular remodeling by increasing angiogenesis and reducing fibrosis. Encapsulation of HGFdf in SHIELD improves clinical translatability by enabling minimally-invasive delivery and subsequent retention and sustained administration of this novel, potent angiogenic protein analog. Biotechnol. Bioeng. 2017;114: 2379-2389. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Amanda N. Steele
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA 94305
- Department of Bioengineering, Stanford University, Stanford, CA 94305
| | - Lei Cai
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305
| | - Vi N. Truong
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA 94305
| | - Bryan B. Edwards
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA 94305
| | - Andrew B. Goldstone
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA 94305
| | - Anahita Eskandari
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA 94305
| | - Aaron C. Mitchell
- Department of Bioengineering, Stanford University, Stanford, CA 94305
| | - Laura M. Marquardt
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305
| | - Abbygail A. Foster
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305
| | | | - Sarah C. Heilshorn
- Department of Bioengineering, Stanford University, Stanford, CA 94305
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305
| | - Y. Joseph Woo
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA 94305
- Department of Bioengineering, Stanford University, Stanford, CA 94305
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44
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Xia Y, Shen J, Alamri H, Hadjichristidis N, Zhao J, Wang Y, Zhang G. Revealing the Cytotoxicity of Residues of Phosphazene Catalysts Used for the Synthesis of Poly(ethylene oxide). Biomacromolecules 2017; 18:3233-3237. [DOI: 10.1021/acs.biomac.7b00891] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yening Xia
- Faculty
of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Jizhou Shen
- School
of Life Sciences, University of Science and Technology of China, Hefei 230027, People’s Republic of China
| | - Haleema Alamri
- Physical
Sciences and Engineering Division, KAUST Catalysis Center, Polymer
Synthesis Laboratory, King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
| | - Nikos Hadjichristidis
- Physical
Sciences and Engineering Division, KAUST Catalysis Center, Polymer
Synthesis Laboratory, King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia
| | - Junpeng Zhao
- Faculty
of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
| | - Yucai Wang
- School
of Life Sciences, University of Science and Technology of China, Hefei 230027, People’s Republic of China
| | - Guangzhao Zhang
- Faculty
of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, People’s Republic of China
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45
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Dubbin K, Tabet A, Heilshorn SC. Quantitative criteria to benchmark new and existing bio-inks for cell compatibility. Biofabrication 2017; 9:044102. [PMID: 28812982 PMCID: PMC5811195 DOI: 10.1088/1758-5090/aa869f] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Recent advancements in 3D bioprinting have led to the fabrication of more complex, more precise, and larger printed tissue constructs. As the field continues to advance, it is critical to develop quantitative benchmarks to compare different bio-inks for key cell-biomaterial interactions, including (1) cell sedimentation within the ink cartridge, (2) cell viability during extrusion, and (3) cell viability after ink curing. Here we develop three simple protocols for quantitative analysis of bio-ink performance. These methods are used to benchmark the performance of two commonly used bio-inks, poly(ethylene glycol) diacrylate (PEGDA) and gelatin methacrylate (GelMA), against three formulations of a novel bio-ink, Recombinant-protein Alginate Platform for Injectable Dual-crosslinked ink (RAPID ink). RAPID inks undergo peptide-self-assembly to form weak, shear-thinning gels in the ink cartridge and undergo electrostatic crosslinking with divalent cations during curing. In the one hour cell sedimentation assay, GelMA, the RAPID inks, and PEGDA with xanthan gum prevented appreciable cell sedimentation, while PEGDA alone or PEGDA with alginate experienced significant cell settling. To quantify cell viability during printing, 3T3 fibroblasts were printed at a constant flow rate of 75 μl min-1 and immediately tested for cell membrane integrity. Less than 10% of cells were damaged using the PEGDA and GelMA bio-inks, while less than 4% of cells were damaged using the RAPID inks. Finally, to evaluate cell viability after curing, cells were exposed to ink-specific curing conditions for five minutes and tested for membrane integrity. After exposure to light with photoinitiator at ambient conditions, over 50% of cells near the edges of printed PEGDA and GelMA droplets were damaged. In contrast, fewer than 20% of cells found near the edges of RAPID inks were damaged after a 5 min exposure to curing in a 10 mM CaCl2 solution. As new bio-inks continue to be developed, these protocols offer a convenient means to quantitatively benchmark their performance against existing inks.
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Affiliation(s)
| | | | - SC Heilshorn
- Department of Materials Science and Engineering, Stanford University, 476 Lomita Mall, Stanford, CA 94305
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46
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Hollingshead S, Lin CY, Liu JC. Designing Smart Materials with Recombinant Proteins. Macromol Biosci 2017; 17:10.1002/mabi.201600554. [PMID: 28337848 PMCID: PMC6020822 DOI: 10.1002/mabi.201600554] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Revised: 02/08/2017] [Indexed: 01/07/2023]
Abstract
Recombinant protein design allows modular protein domains with different functionalities and responsive behaviors to be easily combined. Inclusion of these protein domains can enable recombinant proteins to have complex responses to their environment (e.g., temperature-triggered aggregation followed by enzyme-mediated cleavage for drug delivery or pH-triggered conformational change and self-assembly leading to structural stabilization by adjacent complementary residues). These "smart" behaviors can be tuned by amino acid identity and sequence, chemical modifications, and addition of other components. A wide variety of domains and peptides have smart behavior. This review focuses on protein designs for self-assembly or conformational changes due to stimuli such as shifts in temperature or pH.
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Affiliation(s)
- Sydney Hollingshead
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-2100, USA
| | - Charng-Yu Lin
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-2100, USA
| | - Julie C. Liu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN 47907-2100, USA
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907-2032, USA
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47
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Passipieri JA, Baker HB, Siriwardane M, Ellenburg MD, Vadhavkar M, Saul JM, Tomblyn S, Burnett L, Christ GJ. Keratin Hydrogel Enhances In Vivo Skeletal Muscle Function in a Rat Model of Volumetric Muscle Loss. Tissue Eng Part A 2017; 23:556-571. [PMID: 28169594 DOI: 10.1089/ten.tea.2016.0458] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Volumetric muscle loss (VML) injuries exceed the considerable intrinsic regenerative capacity of skeletal muscle, resulting in permanent functional and cosmetic deficits. VML and VML-like injuries occur in military and civilian populations, due to trauma and surgery as well as due to a host of congenital and acquired diseases/syndromes. Current therapeutic options are limited, and new approaches are needed for a more complete functional regeneration of muscle. A potential solution is human hair-derived keratin (KN) biomaterials that may have significant potential for regenerative therapy. The goal of these studies was to evaluate the utility of keratin hydrogel formulations as a cell and/or growth factor delivery vehicle for functional muscle regeneration in a surgically created VML injury in the rat tibialis anterior (TA) muscle. VML injuries were treated with KN hydrogels in the absence and presence of skeletal muscle progenitor cells (MPCs), and/or insulin-like growth factor 1 (IGF-1), and/or basic fibroblast growth factor (bFGF). Controls included VML injuries with no repair (NR), and implantation of bladder acellular matrix (BAM, without cells). Initial studies conducted 8 weeks post-VML injury indicated that application of keratin hydrogels with growth factors (KN, KN+IGF-1, KN+bFGF, and KN+IGF-1+bFGF, n = 8 each) enabled a significantly greater functional recovery than NR (n = 7), BAM (n = 8), or the addition of MPCs to the keratin hydrogel (KN+MPC, KN+MPC+IGF-1, KN+MPC+bFGF, and KN+MPC+IGF-1+bFGF, n = 8 each) (p < 0.05). A second series of studies examined functional recovery for as many as 12 weeks post-VML injury after application of keratin hydrogels in the absence of cells. A significant time-dependent increase in functional recovery of the KN, KN+bFGF, and KN+IGF+bFGF groups was observed, relative to NR and BAM implantation, achieving as much as 90% of the maximum possible functional recovery. Histological findings from harvested tissue at 12 weeks post-VML injury documented significant increases in neo-muscle tissue formation in all keratin treatment groups as well as diminished fibrosis, in comparison to both BAM and NR. In conclusion, keratin hydrogel implantation promoted statistically significant and physiologically relevant improvements in functional outcomes post-VML injury to the rodent TA muscle.
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Affiliation(s)
- J A Passipieri
- 1 Biomedical Engineering Department, University of Virginia , Charlottesville, Virginia.,2 Wake Forest Institute for Regenerative Medicine, Wake Forest University , Winston-Salem, North Carolina
| | - H B Baker
- 2 Wake Forest Institute for Regenerative Medicine, Wake Forest University , Winston-Salem, North Carolina.,3 Fischell Department of Bioengineering, University of Maryland , College Park, Maryland
| | - Mevan Siriwardane
- 2 Wake Forest Institute for Regenerative Medicine, Wake Forest University , Winston-Salem, North Carolina
| | | | - Manasi Vadhavkar
- 2 Wake Forest Institute for Regenerative Medicine, Wake Forest University , Winston-Salem, North Carolina
| | - Justin M Saul
- 5 Department of Chemical, Paper and Biomedical Engineering, Miami University , Oxford, Ohio
| | - Seth Tomblyn
- 4 KeraNetics, LLC , Winston-Salem, North Carolina
| | - Luke Burnett
- 4 KeraNetics, LLC , Winston-Salem, North Carolina
| | - George J Christ
- 1 Biomedical Engineering Department, University of Virginia , Charlottesville, Virginia.,2 Wake Forest Institute for Regenerative Medicine, Wake Forest University , Winston-Salem, North Carolina.,6 Orthopaedics Department, University of Virginia , Charlottesville, Virginia
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48
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Linh NTB, Abueva CDG, Lee BT. Enzymatic in situ formed hydrogel from gelatin-tyramine and chitosan-4-hydroxylphenyl acetamide for the co-delivery of human adipose-derived stem cells and platelet-derived growth factor towards vascularization. ACTA ACUST UNITED AC 2017; 12:015026. [PMID: 28233762 DOI: 10.1088/1748-605x/aa5b6b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
An injectable, in situ forming hydrogel system capable of co-delivering human adipose-derived stem cells (hADSC) and platelet-derived growth factor (PDGF) was investigated as a new system for tissue engineering, envisaged to support vascularization. The system consists of tyramine-conjugated gelatin and hydroxyphenyl acetamide chitosan derivative. Both are soluble and stable at physiologic conditions, which is a key factor for retaining viable cells and active growth factor. In situ gelation involved enzymatic crosslinking using horseradish peroxidase as a catalyst and hydrogen peroxide as an oxidant. Gel formation occurred within 30-90 s by controlling the concentration of polymers. PDGF release showed adequate release kinetics within the intended period of time and hADSC showed good compatibility with the hydrogel formulation based on the in vitro assay and subcutaneous implantation into BALB/c-nu/nu nude female mice. Immunohistochemical analysis confirmed viability of delivered hADSC. Histological analysis showed no immune reaction and confirmed blood vessel formation. The results implicate the hydrogel as a promising delivery vehicle or carrier of both cell and growth factor, which support vascularization for tissue engineering applications.
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Affiliation(s)
- Nguyen Thuy Ba Linh
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, 330-090, Republic of Korea. Institute of Tissue Regeneration, College of Medicine, Soonchunhyang University, Cheonan, 330-090, Republic of Korea
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49
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Foster AA, Marquardt LM, Heilshorn SC. The Diverse Roles of Hydrogel Mechanics in Injectable Stem Cell Transplantation. Curr Opin Chem Eng 2017; 15:15-23. [PMID: 29085771 PMCID: PMC5659597 DOI: 10.1016/j.coche.2016.11.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Stem cell delivery by local injection has tremendous potential as a regenerative therapy but has seen limited clinical success. Several mechanical challenges hinder therapeutic efficacy throughout all stages of cell transplantation, including mechanical forces during injection and loss of mechanical support post-injection. Recent studies have begun exploring the use of biomaterials, in particular hydrogels, to enhance stem cell transplantation by addressing the often-conflicting mechanical requirements associated with each stage of the transplantation process. This review explores recent biomaterial approaches to improve the therapeutic efficacy of stem cells delivered through local injection, with a focus on strategies that specifically address the mechanical challenges that result in cell death and/or limit therapeutic function throughout the stages of transplantation.
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Affiliation(s)
- Abbygail A Foster
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305
| | - Laura M Marquardt
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305
| | - Sarah C Heilshorn
- Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305
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50
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Abstract
Principles rooted in supramolecular chemistry have empowered new and highly functional therapeutics and drug delivery devices. This general approach offers elegant tools rooted in molecular and materials engineered to address the many challenges faced in treating disease.
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Affiliation(s)
- Matthew J. Webber
- Department of Chemical & Biomolecular Engineering
- University of Notre Dame
- Notre Dame IN 46556
- USA
- Department of Chemistry & Biochemistry
| | - Robert Langer
- Department of Chemical Engineering
- Massachusetts Institute of Technology
- Cambridge
- USA
- David H. Koch Institute for Integrative Cancer Research
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