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Church DC, Pokorski JK. Cell Engineering with Functional Poly(oxanorbornene) Block Copolymers. Angew Chem Int Ed Engl 2020; 59:11379-11383. [PMID: 32281276 PMCID: PMC7482174 DOI: 10.1002/anie.202005148] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Indexed: 12/14/2022]
Abstract
Cell-based therapies are gaining prominence in treating a wide variety of diseases and using synthetic polymers to manipulate these cells provides an opportunity to impart function that could not be achieved using solely genetic means. Herein, we describe the utility of functional block copolymers synthesized by ring-opening metathesis polymerization (ROMP) that can insert directly into the cell membrane via the incorporation of long alkyl chains into a short polymer block leading to non-covalent, hydrophobic interactions with the lipid bilayer. Furthermore, we demonstrate that these polymers can be imbued with advanced functionalities. A photosensitizer was incorporated into these polymers to enable spatially controlled cell death by the localized generation of 1 O2 at the cell surface in response to red-light irradiation. In a broader context, we believe our polymer insertion strategy could be used as a general methodology to impart functionality onto cell-surfaces.
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Affiliation(s)
- Derek C Church
- Department of NanoEngineering, University of California San Diego, La Jolla, CA, 92093, USA
| | - Jonathan K Pokorski
- Department of NanoEngineering, University of California San Diego, La Jolla, CA, 92093, USA
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52
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Church DC, Pokorski JK. Cell Engineering with Functional Poly(oxanorbornene) Block Copolymers. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005148] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Derek C. Church
- Department of NanoEngineering University of California San Diego La Jolla CA 92093 USA
| | - Jonathan K. Pokorski
- Department of NanoEngineering University of California San Diego La Jolla CA 92093 USA
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53
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Ji X, Ma Y, Liu W, Liu L, Yang H, Wu J, Zong X, Dai J, Xue W. In Situ Cell Membrane Fusion for Engineered Tumor Cells by Worm-like Nanocell Mimics. ACS NANO 2020; 14:7462-7474. [PMID: 32453543 DOI: 10.1021/acsnano.0c03131] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Cell-based therapy is a promising clinic strategy to address many unmet medical needs. However, engineering cells faces some inevitable challenges, such as limited sources of cells, cell epigenetic alterations, and short shelf life during in vitro culture. Here, the worm-like nanocell mimics are fabricated to engineer effectively the tumor cells in vivo through the synergistic combination of nongenetic membrane surface engineering and inside encapsulation using in situ cell membrane fusion. The specific targeting and deformability of nanocell mimics play a vital role in membrane fusion mechanisms. The engineered primary tumor cells improved the tumor penetration of therapeutic cargoes via extracellular vesicles, while the engineered circulating tumor cells (CTCs) can capture the homologous cells to form the CTC clusters in the bloodstream and eliminate the CTC clusters in the lung, thus achieving excellent antitumor and antimetastasis efficacy. Above all, we find an intriguing phenomenon, in situ cell membrane fusion by the worm-like nanocell mimics, and our finding of in situ cell membrane fusion inspired us to engineer tumor cells in vivo. The present study would be a particularly meaningful strategy to directly engineer cells in vivo for cell-based therapy.
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Affiliation(s)
- Xin Ji
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Yandong Ma
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Wen Liu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Lamei Liu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Haiyuan Yang
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Jinpei Wu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Xiaoqing Zong
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Jian Dai
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
| | - Wei Xue
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Engineering Technology Research Center of Drug Carrier of Guangdong, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China
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54
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Tang S, Zhang F, Gong H, Wei F, Zhuang J, Karshalev E, Esteban-Fernández de Ávila B, Huang C, Zhou Z, Li Z, Yin L, Dong H, Fang RH, Zhang X, Zhang L, Wang J. Enzyme-powered Janus platelet cell robots for active and targeted drug delivery. Sci Robot 2020; 5:5/43/eaba6137. [DOI: 10.1126/scirobotics.aba6137] [Citation(s) in RCA: 144] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 04/30/2020] [Indexed: 12/14/2022]
Abstract
Transforming natural cells into functional biocompatible robots capable of active movement is expected to enhance the functions of the cells and revolutionize the development of synthetic micromotors. However, present cell-based micromotor systems commonly require the propulsion capabilities of rigid motors, external fields, or harsh conditions, which may compromise biocompatibility and require complex actuation equipment. Here, we report on an endogenous enzyme-powered Janus platelet micromotor (JPL-motor) system prepared by immobilizing urease asymmetrically onto the surface of natural platelet cells. This Janus distribution of urease on platelet cells enables uneven decomposition of urea in biofluids to generate enhanced chemophoretic motion. The cell surface engineering with urease has negligible impact on the functional surface proteins of platelets, and hence, the resulting JPL-motors preserve the intrinsic biofunctionalities of platelets, including effective targeting of cancer cells and bacteria. The efficient propulsion of JPL-motors in the presence of the urea fuel greatly enhances their binding efficiency with these biological targets and improves their therapeutic efficacy when loaded with model anticancer or antibiotic drugs. Overall, asymmetric enzyme immobilization on the platelet surface leads to a biogenic microrobotic system capable of autonomous movement using biological fuel. The ability to impart self-propulsion onto biological cells, such as platelets, and to load these cellular robots with a variety of functional components holds considerable promise for developing multifunctional cell-based micromotors for a variety of biomedical applications.
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Affiliation(s)
- Songsong Tang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
- Research Center for Bioengineering and Sensing Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Fangyu Zhang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Hua Gong
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Fanan Wei
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Jia Zhuang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Emil Karshalev
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | | | - Chuying Huang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Zhidong Zhou
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Zhengxing Li
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Lu Yin
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Haifeng Dong
- Research Center for Bioengineering and Sensing Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Ronnie H. Fang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Xueji Zhang
- Research Center for Bioengineering and Sensing Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Liangfang Zhang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Joseph Wang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
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56
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Wiggins SC, Abuid NJ, Gattás-Asfura KM, Kar S, Stabler CL. Nanotechnology Approaches to Modulate Immune Responses to Cell-based Therapies for Type 1 Diabetes. J Diabetes Sci Technol 2020; 14:212-225. [PMID: 32116026 PMCID: PMC7196865 DOI: 10.1177/1932296819871947] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Islet transplantation is a promising curative treatment option for type 1 diabetes (T1D) as it can provide physiological blood glucose control. The widespread utilization of islet transplantation is limited due to systemic immunosuppression requirements, persisting graft immunodestruction, and poor islet engraftment. Traditional macro- and micropolymeric encapsulation strategies can alleviate the need for antirejection immunosuppression, yet the increased graft volume and diffusional distances imparted by these coatings can be detrimental to graft viability and glucose control. Additionally, systemic administration of pro-engraftment and antirejection therapeutics leaves patients vulnerable to adverse off-target side effects. Nanoscale engineering techniques can be used to immunocamouflage islets, modulate the transplant microenvironment, and provide localized pro-engraftment cues. In this review, we discuss the applications of nanotechnology to advance the clinical potential of islet transplantation, with a focus on cell surface engineering, bioactive functionalization, and use of nanoparticles in T1D cell-based treatments.
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Affiliation(s)
- Sydney C. Wiggins
- J. Crayton Pruitt Family Department of
Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Nicholas J. Abuid
- J. Crayton Pruitt Family Department of
Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Kerim M. Gattás-Asfura
- J. Crayton Pruitt Family Department of
Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Saumadritaa Kar
- J. Crayton Pruitt Family Department of
Biomedical Engineering, University of Florida, Gainesville, FL, USA
| | - Cherie L. Stabler
- J. Crayton Pruitt Family Department of
Biomedical Engineering, University of Florida, Gainesville, FL, USA
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57
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Liu L, He H, Liu J. Advances on Non-Genetic Cell Membrane Engineering for Biomedical Applications. Polymers (Basel) 2019; 11:E2017. [PMID: 31817418 PMCID: PMC6961000 DOI: 10.3390/polym11122017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 11/27/2019] [Accepted: 12/02/2019] [Indexed: 12/13/2022] Open
Abstract
Cell-based therapeutics are very promising modalities to address many unmet medical needs, including genetic engineering, drug delivery, and regenerative medicine as well as bioimaging. To enhance the function and improve the efficacy of cell-based therapeutics, a variety of cell surface engineering strategies (genetic engineering and non-genetic engineering) are developed to modify the surface of cells or cell-based therapeutics with some therapeutic molecules, artificial receptors, and multifunctional nanomaterials. In comparison to complicated procedures and potential toxicities associated with genetic engineering, non-genetic engineering strategies have emerged as a powerful and compatible complement to traditional genetic engineering strategies for enhancing the function of cells or cell-based therapeutics. In this review, we will first briefly summarize key non-genetic methodologies including covalent chemical conjugation (surface reactive groups-direct conjugation, and enzymatically mediated and metabolically mediated indirect conjugation) and noncovalent physical bioconjugation (biotinylation, electrostatic interaction, and lipid membrane fusion as well as hydrophobic insertion), which have been developed to engineer the surface of cell-based therapeutics with various materials. Next, we will comprehensively highlight the latest advances in non-genetic cell membrane engineering surrounding different cells or cell-based therapeutics, including whole-cell-based therapeutics, cell membrane-derived therapeutics, and extracellular vesicles. Advances will be focused specifically on cells that are the most popular types in this field, including erythrocytes, platelets, cancer cells, leukocytes, stem cells, and bacteria. Finally, we will end with the challenges, future trends, and our perspectives of this relatively new and fast-developing research field.
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Affiliation(s)
- Lisha Liu
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, 428 Church St, Ann Arbor, MI 48109, USA;
| | - Hongliang He
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Michigan, 428 Church St, Ann Arbor, MI 48109, USA;
| | - Jianping Liu
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu 210009, China
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58
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Yan H, Shao D, Lao Y, Li M, Hu H, Leong KW. Engineering Cell Membrane-Based Nanotherapeutics to Target Inflammation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2019; 6:1900605. [PMID: 31406672 PMCID: PMC6685500 DOI: 10.1002/advs.201900605] [Citation(s) in RCA: 129] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 04/28/2019] [Indexed: 05/10/2023]
Abstract
Inflammation is ubiquitous in the body, triggering desirable immune response to defend against dangerous signals or instigating undesirable damage to cells and tissues to cause disease. Nanomedicine holds exciting potential in modulating inflammation. In particular, cell membranes derived from cells involved in the inflammatory process may be used to coat nanotherapeutics for effective targeted delivery to inflammatory tissues. Herein, the recent progress of rationally engineering cell membrane-based nanotherapeutics for inflammation therapy is highlighted, and the challenges and opportunities presented in realizing the full potential of cell-membrane coating in targeting and manipulating the inflammatory microenvironment are discussed.
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Affiliation(s)
- Huize Yan
- Department of Biomedical EngineeringColumbia UniversityNew YorkNY10027USA
| | - Dan Shao
- Department of Biomedical EngineeringColumbia UniversityNew YorkNY10027USA
| | - Yeh‐Hsing Lao
- Department of Biomedical EngineeringColumbia UniversityNew YorkNY10027USA
| | - Mingqiang Li
- Department of Biomedical EngineeringColumbia UniversityNew YorkNY10027USA
- Guangdong Provincial Key Laboratory of Liver DiseaseThe Third Affiliated Hospital of Sun Yat‐sen UniversityGuangzhouGuangdong510630China
| | - Hanze Hu
- Department of Biomedical EngineeringColumbia UniversityNew YorkNY10027USA
| | - Kam W. Leong
- Department of Biomedical EngineeringColumbia UniversityNew YorkNY10027USA
- Institutes of Life SciencesSchool of Biomedical Science and Engineering and National Engineering Research Center for Tissue Restoration and ReconstructionSouth China University of TechnologyGuangzhou International CampusGuangzhouGuangdong510006China
- Department of System BiologyColumbia University Medical CenterNew YorkNY10032USA
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59
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Deller RC, Richardson T, Richardson R, Bevan L, Zampetakis I, Scarpa F, Perriman AW. Artificial cell membrane binding thrombin constructs drive in situ fibrin hydrogel formation. Nat Commun 2019; 10:1887. [PMID: 31015421 PMCID: PMC6478844 DOI: 10.1038/s41467-019-09763-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 03/21/2019] [Indexed: 12/13/2022] Open
Abstract
Cell membrane re-engineering is emerging as a powerful tool for the development of next generation cell therapies, as it allows the user to augment therapeutic cells to provide additional functionalities, such as homing, adhesion or hypoxia resistance. To date, however, there are few examples where the plasma membrane is re-engineered to display active enzymes that promote extracellular matrix protein assembly. Here, we report on a self-contained matrix-forming system where the membrane of human mesenchymal stem cells is modified to display a novel thrombin construct, giving rise to spontaneous fibrin hydrogel nucleation and growth at near human plasma concentrations of fibrinogen. The cell membrane modification process is realised through the synthesis of a membrane-binding supercationic thrombin-polymer surfactant complex. Significantly, the resulting robust cellular fibrin hydrogel constructs can be differentiated down osteogenic and adipogenic lineages, giving rise to self-supporting monoliths that exhibit Young's moduli that reflect their respective extracellular matrix compositions.
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Affiliation(s)
- Robert C Deller
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, BS8 1TD, UK
- School of Engineering, University of Liverpool, Liverpool, L69 3GH, UK
| | - Thomas Richardson
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, BS8 1TD, UK
- Bristol Centre for Functional Nanomaterials, University of Bristol, Bristol, BS8 1FD, UK
| | - Rebecca Richardson
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, BS8 1TD, UK
| | - Laura Bevan
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, BS8 1TD, UK
| | - Ioannis Zampetakis
- Bristol Composites Institute (ACCIS), University of Bristol, Bristol, BS8 1TR, UK
| | - Fabrizio Scarpa
- Bristol Composites Institute (ACCIS), University of Bristol, Bristol, BS8 1TR, UK
| | - Adam W Perriman
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, BS8 1TD, UK.
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60
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Davis KA, Wu PJ, Cahall CF, Li C, Gottipati A, Berron BJ. Coatings on mammalian cells: interfacing cells with their environment. J Biol Eng 2019; 13:5. [PMID: 30675178 PMCID: PMC6337841 DOI: 10.1186/s13036-018-0131-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 12/09/2018] [Indexed: 12/18/2022] Open
Abstract
The research community is intent on harnessing increasingly complex biological building blocks. At present, cells represent a highly functional component for integration into higher order systems. In this review, we discuss the current application space for cellular coating technologies and emphasize the relationship between the target application and coating design. We also discuss how the cell and the coating interact in common analytical techniques, and where caution must be exercised in the interpretation of results. Finally, we look ahead at emerging application areas that are ideal for innovation in cellular coatings. In all, cellular coatings leverage the machinery unique to specific cell types, and the opportunities derived from these hybrid assemblies have yet to be fully realized.
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Affiliation(s)
- Kara A. Davis
- Chemical and Materials Engineering, University of Kentucky, 177 FPAT, Lexington, KY 40506-0046 USA
| | - Pei-Jung Wu
- Chemical and Materials Engineering, University of Kentucky, 177 FPAT, Lexington, KY 40506-0046 USA
| | - Calvin F. Cahall
- Chemical and Materials Engineering, University of Kentucky, 177 FPAT, Lexington, KY 40506-0046 USA
| | - Cong Li
- Chemical and Materials Engineering, University of Kentucky, 177 FPAT, Lexington, KY 40506-0046 USA
| | - Anuhya Gottipati
- Chemical and Materials Engineering, University of Kentucky, 177 FPAT, Lexington, KY 40506-0046 USA
| | - Brad J. Berron
- Chemical and Materials Engineering, University of Kentucky, 177 FPAT, Lexington, KY 40506-0046 USA
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61
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Ernst AU, Bowers DT, Wang LH, Shariati K, Plesser MD, Brown NK, Mehrabyan T, Ma M. Nanotechnology in cell replacement therapies for type 1 diabetes. Adv Drug Deliv Rev 2019; 139:116-138. [PMID: 30716349 PMCID: PMC6677642 DOI: 10.1016/j.addr.2019.01.013] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Revised: 01/17/2019] [Accepted: 01/28/2019] [Indexed: 12/12/2022]
Abstract
Islet transplantation is a promising long-term, compliance-free, complication-preventing treatment for type 1 diabetes. However, islet transplantation is currently limited to a narrow set of patients due to the shortage of donor islets and side effects from immunosuppression. Encapsulating cells in an immunoisolating membrane can allow for their transplantation without the need for immunosuppression. Alternatively, "open" systems may improve islet health and function by allowing vascular ingrowth at clinically attractive sites. Many processes that enable graft success in both approaches occur at the nanoscale level-in this review we thus consider nanotechnology in cell replacement therapies for type 1 diabetes. A variety of biomaterial-based strategies at the nanometer range have emerged to promote immune-isolation or modulation, proangiogenic, or insulinotropic effects. Additionally, coating islets with nano-thin polymer films has burgeoned as an islet protection modality. Materials approaches that utilize nanoscale features manipulate biology at the molecular scale, offering unique solutions to the enduring challenges of islet transplantation.
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Affiliation(s)
- Alexander U Ernst
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Daniel T Bowers
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Long-Hai Wang
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Kaavian Shariati
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Mitchell D Plesser
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Natalie K Brown
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Tigran Mehrabyan
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Minglin Ma
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA.
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62
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Li J, Chen M, Liu Z, Zhang L, Felding BH, Moremen KW, Lauvau G, Abadier M, Ley K, Wu P. A Single-Step Chemoenzymatic Reaction for the Construction of Antibody-Cell Conjugates. ACS CENTRAL SCIENCE 2018; 4:1633-1641. [PMID: 30648147 PMCID: PMC6311947 DOI: 10.1021/acscentsci.8b00552] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Indexed: 05/02/2023]
Abstract
Employing live cells as therapeutics is a direction of future drug discovery. An easy and robust method to modify the surfaces of cells directly to incorporate novel functionalities is highly desirable. However, genetic methods for cell-surface engineering are laborious and limited by low efficiency for primary cell modification. Here we report a chemoenzymatic approach that exploits a fucosyltransferase to transfer bio-macromolecules, such as an IgG antibody (MW∼ 150 KD), to the glycocalyx on the surfaces of live cells when the antibody is conjugated to the enzyme's natural donor substrate GDP-Fucose. Requiring no genetic modification, this method is fast and biocompatible with little interference to cells' endogenous functions. We applied this method to construct two antibody-cell conjugates (ACCs) using both cell lines and primary cells, and the modified cells exhibited specific tumor targeting and resistance to inhibitory signals produced by tumor cells, respectively. Remarkably, Herceptin-NK-92MI conjugates, a natural killer cell line modified with Herceptin, exhibit enhanced activities to induce the lysis of HER2+ cancer cells both ex vivo and in a human tumor xenograft model. Given the unprecedented substrate tolerance of the fucosyltransferase, this chemoenzymatic method offers a general approach to engineer cells as research tools and for therapeutic applications.
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Affiliation(s)
- Jie Li
- Department
of Molecular Medicine, The Scripps Research
Institute, La Jolla, California 92037, United States
- Department
of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Mingkuan Chen
- Department
of Molecular Medicine, The Scripps Research
Institute, La Jolla, California 92037, United States
| | - Zilei Liu
- Department
of Molecular Medicine, The Scripps Research
Institute, La Jolla, California 92037, United States
- Department
of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
| | - Linda Zhang
- Department
of Molecular Medicine, The Scripps Research
Institute, La Jolla, California 92037, United States
| | - Brunie H. Felding
- Department
of Molecular Medicine, The Scripps Research
Institute, La Jolla, California 92037, United States
| | - Kelley W. Moremen
- Complex
Carbohydrate Research Center, University
of Georgia, Athens, Georgia 30602, United States
| | - Gregoire Lauvau
- Microbiology
and Immunology Department, Albert Einstein
College of Medicine, Bronx, New York 10461, United States
| | - Michael Abadier
- Division
of Inflammation Biology, La Jolla Institute
for Allergy and Immunology, La Jolla, California 92037, United States
| | - Klaus Ley
- Division
of Inflammation Biology, La Jolla Institute
for Allergy and Immunology, La Jolla, California 92037, United States
| | - Peng Wu
- Department
of Molecular Medicine, The Scripps Research
Institute, La Jolla, California 92037, United States
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63
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Lee DY, Cha BH, Jung M, Kim AS, Bull DA, Won YW. Cell surface engineering and application in cell delivery to heart diseases. J Biol Eng 2018; 12:28. [PMID: 30524502 PMCID: PMC6278044 DOI: 10.1186/s13036-018-0123-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 11/22/2018] [Indexed: 02/07/2023] Open
Abstract
Cell-based therapy has expanded its influence in cancer immunotherapy, regenerative medicine, and tissue engineering. Due to their secretory functions, differentiation capabilities, specific homing effects through chemotaxis, distinctive therapeutic potentials, and ex vivo expandability, cells have become an attractive reagent for advanced therapeutic strategies. Therefore, the ability to modify cells and manipulate their functions according to intended therapeutic designs has been the central scientific interest in the field of biomedical research. Many innovative methods have been developed with genetic modification of cells being the most advanced cell surface engineering technique. Although genetic modification is a powerful tool, it has a limited applicability due to the permanent modifications made on cells. Alternatively, many endeavors have been made to develop surface engineering techniques that can circumvent the limitations of genetic modification. In this review, current methods of non-genetic cell surface modification, including chemical conjugations, polymeric encapsulation, hydrophobic insertion, enzymatic and metabolic addition, will be introduced. Moreover, cell surface engineering plausible for cardiac remodeling and the future prospective will be discussed at the end.
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Affiliation(s)
- Daniel Y. Lee
- Division of Cardio-Thoracic Surgery, Department of Surgery, University of Arizona College of Medicine, Room 4302D, 1501 N Campbell Ave, Tucson, Arizona 85724 USA
| | - Byung-Hyun Cha
- Division of Cardio-Thoracic Surgery, Department of Surgery, University of Arizona College of Medicine, Room 4302D, 1501 N Campbell Ave, Tucson, Arizona 85724 USA
| | - Minjin Jung
- Division of Cardio-Thoracic Surgery, Department of Surgery, University of Arizona College of Medicine, Room 4302D, 1501 N Campbell Ave, Tucson, Arizona 85724 USA
| | - Angela S. Kim
- Division of Cardio-Thoracic Surgery, Department of Surgery, University of Arizona College of Medicine, Room 4302D, 1501 N Campbell Ave, Tucson, Arizona 85724 USA
| | - David A. Bull
- Division of Cardio-Thoracic Surgery, Department of Surgery, University of Arizona College of Medicine, Room 4302D, 1501 N Campbell Ave, Tucson, Arizona 85724 USA
| | - Young-Wook Won
- Division of Cardio-Thoracic Surgery, Department of Surgery, University of Arizona College of Medicine, Room 4302D, 1501 N Campbell Ave, Tucson, Arizona 85724 USA
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Lopes D, Martins-Cruz C, Oliveira MB, Mano JF. Bone physiology as inspiration for tissue regenerative therapies. Biomaterials 2018; 185:240-275. [PMID: 30261426 PMCID: PMC6445367 DOI: 10.1016/j.biomaterials.2018.09.028] [Citation(s) in RCA: 209] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 09/15/2018] [Accepted: 09/17/2018] [Indexed: 12/14/2022]
Abstract
The development, maintenance of healthy bone and regeneration of injured tissue in the human body comprise a set of intricate and finely coordinated processes. However, an analysis of current bone regeneration strategies shows that only a small fraction of well-reported bone biology aspects has been used as inspiration and transposed into the development of therapeutic products. Specific topics that include inter-scale bone structural organization, developmental aspects of bone morphogenesis, bone repair mechanisms, role of specific cells and heterotypic cell contact in the bone niche (including vascularization networks and immune system cells), cell-cell direct and soluble-mediated contact, extracellular matrix composition (with particular focus on the non-soluble fraction of proteins), as well as mechanical aspects of native bone will be the main reviewed topics. In this Review we suggest a systematic parallelization of (i) fundamental well-established biology of bone, (ii) updated and recent advances on the understanding of biological phenomena occurring in native and injured tissue, and (iii) critical discussion of how those individual aspects have been translated into tissue regeneration strategies using biomaterials and other tissue engineering approaches. We aim at presenting a perspective on unexplored aspects of bone physiology and how they could be translated into innovative regeneration-driven concepts.
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Affiliation(s)
- Diana Lopes
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago,, 3810 193 Aveiro, Portugal
| | - Cláudia Martins-Cruz
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago,, 3810 193 Aveiro, Portugal
| | - Mariana B Oliveira
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago,, 3810 193 Aveiro, Portugal.
| | - João F Mano
- Department of Chemistry, CICECO - Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago,, 3810 193 Aveiro, Portugal.
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Radisic M. Biomaterials Going Strong in Canada for Half a Century. ACS Biomater Sci Eng 2018; 4:3625-3626. [PMID: 33429613 DOI: 10.1021/acsbiomaterials.8b01319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Milica Radisic
- University of Toronto and Toronto General Research Institute
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Oncotically Driven Control over Glycocalyx Dimension for Cell Surface Engineering and Protein Binding in the Longitudinal Direction. Sci Rep 2018; 8:7581. [PMID: 29765073 PMCID: PMC5954099 DOI: 10.1038/s41598-018-25870-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 05/01/2018] [Indexed: 01/03/2023] Open
Abstract
Here we present a simple technique for re-directing reactions on the cell surface to the outermost region of the glycocalyx. Macromolecular crowding with inert polymers was utilized to reversibly alter the accessibility of glycocalyx proteoglycans toward cell-surface reactive probes allowing for reactivity control in the longitudinal direction (‘z’-direction) on the glycocalyx. Studies in HUVECs demonstrated an oncotically driven collapse of the glycocalyx brush structure in the presence of crowders as the mechanism responsible for re-directing reactivity. This phenomenon is consistent across a variety of macromolecular agents including polymers, protein markers and antibodies which all displayed enhanced binding to the outermost surface of multiple cell types. We then demonstrated the biological significance of the technique by increasing the camouflage of red blood cell surface antigens via a crowding-enhanced attachment of voluminous polymers to the exterior of the glycocalyx. The accessibility to Rhesus D (RhD) and CD47 proteins on the cell surface was significantly decreased in crowding-assisted polymer grafting in comparison to non-crowded conditions. This strategy is expected to generate new tools for controlled glycocalyx engineering, probing the glycocalyx structure and function, and improving the development of cell based therapies.
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