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Lavickova B, Grasemann L, Maerkl SJ. Improved Cell-Free Transcription-Translation Reactions in Microfluidic Chemostats Augmented with Hydrogel Membranes for Continuous Small Molecule Dialysis. ACS Synth Biol 2022; 11:4134-4141. [PMID: 36475685 DOI: 10.1021/acssynbio.2c00453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Increasing the protein production capacity of the PURE cell-free transcription-translation (TX-TL) system will be key to implementing complex synthetic biological circuits, and to establishing a fully self-regenerating system as a basis for the development of a synthetic cell. Under steady-state conditions, the protein synthesis capacity of the PURE system is likely at least one order of magnitude too low to express sufficient quantities of all PURE protein components. This is in part due to the fact that protein synthesis cannot be sustained during the entire dilution cycle, especially at low dilution rates. We developed a microfluidic chemostat augmented with semipermeable membranes that combines steady-state reactions and continuous dialysis as a possible solution to enhance protein synthesis at steady-state. In batch operation, the continuous dialysis of low molecular weight components via the membranes extended protein synthesis by over an order of magnitude from 2 h to over 30 h, leading to a 7-fold increase in protein yield. In chemostat operation, continuous dialysis enabled sustained protein synthesis during the entire dilution cycle even for low dilution rates, leading to 6-fold higher protein levels at steady state. The possibility to combine and independently manipulate continuous dialysis and chemostat operation renders our dialysis chemostat a promising technological basis for complex cell-free synthetic biology applications that require enhanced protein synthesis capacity.
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Affiliation(s)
- Barbora Lavickova
- Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Laura Grasemann
- Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
| | - Sebastian J Maerkl
- Institute of Bioengineering, School of Engineering, École Polytechnique Fédérale de Lausanne, Lausanne 1015, Switzerland
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2
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A microfluidic optimal experimental design platform for forward design of cell-free genetic networks. Nat Commun 2022; 13:3626. [PMID: 35750678 PMCID: PMC9232554 DOI: 10.1038/s41467-022-31306-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 06/14/2022] [Indexed: 12/20/2022] Open
Abstract
Cell-free protein synthesis has been widely used as a “breadboard” for design of synthetic genetic networks. However, due to a severe lack of modularity, forward engineering of genetic networks remains challenging. Here, we demonstrate how a combination of optimal experimental design and microfluidics allows us to devise dynamic cell-free gene expression experiments providing maximum information content for subsequent non-linear model identification. Importantly, we reveal that applying this methodology to a library of genetic circuits, that share common elements, further increases the information content of the data resulting in higher accuracy of model parameters. To show modularity of model parameters, we design a pulse decoder and bistable switch, and predict their behaviour both qualitatively and quantitatively. Finally, we update the parameter database and indicate that network topology affects parameter estimation accuracy. Utilizing our methodology provides us with more accurate model parameters, a necessity for forward engineering of complex genetic networks. Characterization of cell-free genetic networks is inherently difficult. Here the authors use optimal experimental design and microfluidics to improve characterization, demonstrating modularity and predictability of parts in applied test cases.
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3
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Purification challenges for the portable, on-demand point-of-care production of biologics. Curr Opin Chem Eng 2022. [DOI: 10.1016/j.coche.2022.100802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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4
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Aquino AK, Manzer ZA, Daniel S, DeLisa MP. Glycosylation-on-a-Chip: A Flow-Based Microfluidic System for Cell-Free Glycoprotein Biosynthesis. Front Mol Biosci 2022; 8:782905. [PMID: 35004852 PMCID: PMC8733600 DOI: 10.3389/fmolb.2021.782905] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 12/06/2021] [Indexed: 12/25/2022] Open
Abstract
In recent years, cell-free synthetic glycobiology technologies have emerged that enable production and remodeling of glycoproteins outside the confines of the cell. However, many of these systems combine multiple synthesis steps into one pot where there can be competing reactions and side products that ultimately lead to low yield of the desired product. In this work, we describe a microfluidic platform that integrates cell-free protein synthesis, glycosylation, and purification of a model glycoprotein in separate compartments where each step can be individually optimized. Microfluidics offer advantages such as reaction compartmentalization, tunable residence time, the ability to tether enzymes for reuse, and the potential for continuous manufacturing. Moreover, it affords an opportunity for spatiotemporal control of glycosylation reactions that is difficult to achieve with existing cell-based and cell-free glycosylation systems. In this work, we demonstrate a flow-based glycoprotein synthesis system that promotes enhanced cell-free protein synthesis, efficient protein glycosylation with an immobilized oligosaccharyltransferase, and enrichment of the protein product from cell-free lysate. Overall, this work represents a first-in-kind glycosylation-on-a-chip prototype that could find use as a laboratory tool for mechanistic dissection of the protein glycosylation process as well as a biomanufacturing platform for small batch, decentralized glycoprotein production.
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Affiliation(s)
- Alicia K Aquino
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States
| | - Zachary A Manzer
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States
| | - Susan Daniel
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States
| | - Matthew P DeLisa
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States.,Cornell Institute of Biotechnology, Cornell University, Ithaca, NY, United States
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5
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Monck C, Elani Y, Ceroni F. Cell-free protein synthesis: biomedical applications and future perspectives. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2021.11.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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6
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McNulty MJ, Berliner AJ, Negulescu PG, McKee L, Hart O, Yates K, Arkin AP, Nandi S, McDonald KA. Evaluating the Cost of Pharmaceutical Purification for a Long-Duration Space Exploration Medical Foundry. Front Microbiol 2021; 12:700863. [PMID: 34707576 PMCID: PMC8542935 DOI: 10.3389/fmicb.2021.700863] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 09/20/2021] [Indexed: 01/10/2023] Open
Abstract
There are medical treatment vulnerabilities in longer-duration space missions present in the current International Space Station crew health care system with risks, arising from spaceflight-accelerated pharmaceutical degradation and resupply lag times. Bioregenerative life support systems may be a way to close this risk gap by leveraging in situ resource utilization (ISRU) to perform pharmaceutical synthesis and purification. Recent literature has begun to consider biological ISRU using microbes and plants as the basis for pharmaceutical life support technologies. However, there has not yet been a rigorous analysis of the processing and quality systems required to implement biologically produced pharmaceuticals for human medical treatment. In this work, we use the equivalent system mass (ESM) metric to evaluate pharmaceutical purification processing strategies for longer-duration space exploration missions. Monoclonal antibodies, representing a diverse therapeutic platform capable of treating multiple space-relevant disease states, were selected as the target products for this analysis. We investigate the ESM resource costs (mass, volume, power, cooling, and crew time) of an affinity-based capture step for monoclonal antibody purification as a test case within a manned Mars mission architecture. We compare six technologies (three biotic capture methods and three abiotic capture methods), optimize scheduling to minimize ESM for each technology, and perform scenario analysis to consider a range of input stream compositions and pharmaceutical demand. We also compare the base case ESM to scenarios of alternative mission configuration, equipment models, and technology reusability. Throughout the analyses, we identify key areas for development of pharmaceutical life support technology and improvement of the ESM framework for assessment of bioregenerative life support technologies.
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Affiliation(s)
- Matthew J. McNulty
- Center for the Utilization of Biological Engineering in Space (CUBES), Berkeley, CA, United States
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
| | - Aaron J. Berliner
- Center for the Utilization of Biological Engineering in Space (CUBES), Berkeley, CA, United States
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA, United States
| | - Patrick G. Negulescu
- Center for the Utilization of Biological Engineering in Space (CUBES), Berkeley, CA, United States
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
| | - Liber McKee
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
| | - Olivia Hart
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
| | - Kevin Yates
- Center for the Utilization of Biological Engineering in Space (CUBES), Berkeley, CA, United States
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
| | - Adam P. Arkin
- Center for the Utilization of Biological Engineering in Space (CUBES), Berkeley, CA, United States
- Department of Bioengineering, University of California, Berkeley, Berkeley, CA, United States
| | - Somen Nandi
- Center for the Utilization of Biological Engineering in Space (CUBES), Berkeley, CA, United States
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
- Global HealthShare Initiative, University of California, Davis, Davis, CA, United States
| | - Karen A. McDonald
- Center for the Utilization of Biological Engineering in Space (CUBES), Berkeley, CA, United States
- Department of Chemical Engineering, University of California, Davis, Davis, CA, United States
- Global HealthShare Initiative, University of California, Davis, Davis, CA, United States
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7
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Brooks SM, Alper HS. Applications, challenges, and needs for employing synthetic biology beyond the lab. Nat Commun 2021; 12:1390. [PMID: 33654085 PMCID: PMC7925609 DOI: 10.1038/s41467-021-21740-0] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 02/10/2021] [Indexed: 02/07/2023] Open
Abstract
Synthetic biology holds great promise for addressing global needs. However, most current developments are not immediately translatable to 'outside-the-lab' scenarios that differ from controlled laboratory settings. Challenges include enabling long-term storage stability as well as operating in resource-limited and off-the-grid scenarios using autonomous function. Here we analyze recent advances in developing synthetic biological platforms for outside-the-lab scenarios with a focus on three major application spaces: bioproduction, biosensing, and closed-loop therapeutic and probiotic delivery. Across the Perspective, we highlight recent advances, areas for further development, possibilities for future applications, and the needs for innovation at the interface of other disciplines.
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Affiliation(s)
- Sierra M Brooks
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX, USA
| | - Hal S Alper
- McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, TX, USA.
- Institute for Cellular and Molecular Biology, The University of Texas at Austin, Austin, TX, USA.
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8
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Stark JC, Jaroentomeechai T, Moeller TD, Hershewe JM, Warfel KF, Moricz BS, Martini AM, Dubner RS, Hsu KJ, Stevenson TC, Jones BD, DeLisa MP, Jewett MC. On-demand biomanufacturing of protective conjugate vaccines. SCIENCE ADVANCES 2021; 7:eabe9444. [PMID: 33536221 PMCID: PMC7857678 DOI: 10.1126/sciadv.abe9444] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 12/18/2020] [Indexed: 05/19/2023]
Abstract
Conjugate vaccines are among the most effective methods for preventing bacterial infections. However, existing manufacturing approaches limit access to conjugate vaccines due to centralized production and cold chain distribution requirements. To address these limitations, we developed a modular technology for in vitro conjugate vaccine expression (iVAX) in portable, freeze-dried lysates from detoxified, nonpathogenic Escherichia coli. Upon rehydration, iVAX reactions synthesize clinically relevant doses of conjugate vaccines against diverse bacterial pathogens in 1 hour. We show that iVAX-synthesized vaccines against Francisella tularensis subsp. tularensis (type A) strain Schu S4 protected mice from lethal intranasal F. tularensis challenge. The iVAX platform promises to accelerate development of new conjugate vaccines with increased access through refrigeration-independent distribution and portable production.
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Affiliation(s)
- Jessica C Stark
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Rd Technological Institute E136, Evanston, IL 60208-3120, USA
- Center for Synthetic Biology, Northwestern University, 2145 Sheridan Rd Technological Institute E136, Evanston, IL 60208-3120, USA
- Chemistry of Life Processes Institute, Northwestern University, 2170 Campus Drive, Evanston, IL 60208-3120, USA
| | - Thapakorn Jaroentomeechai
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, 120 Olin Hall, Ithaca, NY 14853, USA
| | - Tyler D Moeller
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, 120 Olin Hall, Ithaca, NY 14853, USA
| | - Jasmine M Hershewe
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Rd Technological Institute E136, Evanston, IL 60208-3120, USA
- Center for Synthetic Biology, Northwestern University, 2145 Sheridan Rd Technological Institute E136, Evanston, IL 60208-3120, USA
- Chemistry of Life Processes Institute, Northwestern University, 2170 Campus Drive, Evanston, IL 60208-3120, USA
| | - Katherine F Warfel
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Rd Technological Institute E136, Evanston, IL 60208-3120, USA
- Center for Synthetic Biology, Northwestern University, 2145 Sheridan Rd Technological Institute E136, Evanston, IL 60208-3120, USA
- Chemistry of Life Processes Institute, Northwestern University, 2170 Campus Drive, Evanston, IL 60208-3120, USA
| | - Bridget S Moricz
- Department of Microbiology and Immunology, University of Iowa, 51 Newton Rd 3-403 Bowen Science Building, Iowa City, IA 52242, USA
| | - Anthony M Martini
- Department of Microbiology and Immunology, University of Iowa, 51 Newton Rd 3-403 Bowen Science Building, Iowa City, IA 52242, USA
| | - Rachel S Dubner
- Department of Biological Sciences, Northwestern University, 2205 Tech Drive Hogan Hall 2144, Evanston, IL 60208-3500, USA
| | - Karen J Hsu
- Department of Mechanical Engineering, Northwestern University, 2145 Sheridan Rd Technological Institute B224, Evanston, IL 60208-3120, USA
| | - Taylor C Stevenson
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Weill Hall, Ithaca, NY 14853, USA
| | - Bradley D Jones
- Department of Microbiology and Immunology, University of Iowa, 51 Newton Rd 3-403 Bowen Science Building, Iowa City, IA 52242, USA
- Graduate Program in Genetics, 431 Newton Rd, University of Iowa, Iowa City, IA 52242, USA
| | - Matthew P DeLisa
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, 120 Olin Hall, Ithaca, NY 14853, USA.
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Weill Hall, Ithaca, NY 14853, USA
| | - Michael C Jewett
- Department of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Rd Technological Institute E136, Evanston, IL 60208-3120, USA.
- Center for Synthetic Biology, Northwestern University, 2145 Sheridan Rd Technological Institute E136, Evanston, IL 60208-3120, USA
- Chemistry of Life Processes Institute, Northwestern University, 2170 Campus Drive, Evanston, IL 60208-3120, USA
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, 676 N. St Clair St, Suite 1200, Chicago, IL 60611-3068, USA
- Simpson-Querrey Institute, Northwestern University, 303 E. Superior St, Suite 11-131 Chicago, IL 60611-2875, USA
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9
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Cho E, Lu Y. Compartmentalizing Cell-Free Systems: Toward Creating Life-Like Artificial Cells and Beyond. ACS Synth Biol 2020; 9:2881-2901. [PMID: 33095011 DOI: 10.1021/acssynbio.0c00433] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Building an artificial cell is a research area that is rigorously studied in the field of synthetic biology. It has brought about much attention with the aim of ultimately constructing a natural cell-like structure. In particular, with the more mature cell-free platforms and various compartmentalization methods becoming available, achieving this aim seems not far away. In this review, we discuss the various types of artificial cells capable of hosting several cellular functions. Different compartmental boundaries and the mature and evolving technologies that are used for compartmentalization are examined, and exciting recent advances that overcome or have the potential to address current challenges are discussed. Ultimately, we show how compartmentalization and cell-free systems have, and will, come together to fulfill the goal to assemble a fully synthetic cell that displays functionality and complexity as advanced as that in nature. The development of such artificial cell systems will offer insight into the fundamental study of evolutionary biology and the sea of applications as a result. Although several challenges remain, emerging technologies such as artificial intelligence also appear to help pave the way to address them and achieve the ultimate goal.
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Affiliation(s)
- Eunhee Cho
- Key Lab of Industrial Biocatalysis, Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Yuan Lu
- Key Lab of Industrial Biocatalysis, Ministry of Education, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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10
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Abstract
Cell-free systems are a widely used research tool in systems and synthetic biology and a promising platform for manufacturing of proteins and chemicals. In the past, cell-free biology was primarily used to better understand fundamental biochemical processes. Notably, E. coli cell-free extracts were used in the 1960s to decipher the sequencing of the genetic code. Since then, the transcription and translation capabilities of cell-free systems have been repeatedly optimized to improve energy efficiency and product yield. Today, cell-free systems, in combination with the rise of synthetic biology, have taken on a new role as a promising technology for just-in-time manufacturing of therapeutically important biologics and high-value small molecules. They have also been implemented at an industrial scale for the production of antibodies and cytokines. In this review, we discuss the evolution of cell-free technologies, in particular advancements in extract preparation, cell-free protein synthesis, and cell-free metabolic engineering applications. We then conclude with a discussion of the mathematical modeling of cell-free systems. Mathematical modeling of cell-free processes could be critical to addressing performance bottlenecks and estimating the costs of cell-free manufactured products.
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11
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Mancuso T, Barone A, Salatino A, Molinaro C, Marino F, Scalise M, Torella M, De Angelis A, Urbanek K, Torella D, Cianflone E. Unravelling the Biology of Adult Cardiac Stem Cell-Derived Exosomes to Foster Endogenous Cardiac Regeneration and Repair. Int J Mol Sci 2020; 21:E3725. [PMID: 32466282 PMCID: PMC7279257 DOI: 10.3390/ijms21103725] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 05/15/2020] [Accepted: 05/20/2020] [Indexed: 12/11/2022] Open
Abstract
Cardiac remuscularization has been the stated goal of the field of regenerative cardiology since its inception. Along with the refreshment of lost and dysfunctional cardiac muscle cells, the field of cell therapy has expanded in scope encompassing also the potential of the injected cells as cardioprotective and cardio-reparative agents for cardiovascular diseases. The latter has been the result of the findings that cell therapies so far tested in clinical trials exert their beneficial effects through paracrine mechanisms acting on the endogenous myocardial reparative/regenerative potential. The endogenous regenerative potential of the adult heart is still highly debated. While it has been widely accepted that adult cardiomyocytes (CMs) are renewed throughout life either in response to wear and tear and after injury, the rate and origin of this phenomenon are yet to be clarified. The adult heart harbors resident cardiac/stem progenitor cells (CSCs/CPCs), whose discovery and characterization were initially sufficient to explain CM renewal in response to physiological and pathological stresses, when also considering that adult CMs are terminally differentiated cells. The role of CSCs in CM formation in the adult heart has been however questioned by some recent genetic fate map studies, which have been proved to have serious limitations. Nevertheless, uncontested evidence shows that clonal CSCs are effective transplantable regenerative agents either for their direct myogenic differentiation and for their paracrine effects in the allogeneic setting. In particular, the paracrine potential of CSCs has been the focus of the recent investigation, whereby CSC-derived exosomes appear to harbor relevant regenerative and reparative signals underlying the beneficial effects of CSC transplantation. This review focuses on recent advances in our knowledge about the biological role of exosomes in heart tissue homeostasis and repair with the idea to use them as tools for new therapeutic biotechnologies for "cell-less" effective cardiac regeneration approaches.
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Affiliation(s)
- Teresa Mancuso
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Antonella Barone
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Alessandro Salatino
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Claudia Molinaro
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Fabiola Marino
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Mariangela Scalise
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Michele Torella
- Department of Translational Medical Sciences, AORN dei Colli/Monaldi Hospital, University of Campania “L. Vanvitelli”, Via Leonardo Bianchi, 80131 Naples, Italy;
| | - Antonella De Angelis
- Department of Experimental Medicine, Section of Pharmacology, University of Campania “L.Vanvitelli”, 80121 Naples, Italy;
| | - Konrad Urbanek
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Daniele Torella
- Molecular and Cellular Cardiology, Department of Experimental and Clinical Medicine, Magna Graecia University, 88100 Catanzaro, Italy; (T.M.); (A.B.); (A.S.); (C.M.); (F.M.); (M.S.); (K.U.)
| | - Eleonora Cianflone
- Molecular and Cellular Cardiology, Department of Medical and Surgical Sciences, Magna Graecia University, 88100 Catanzaro, Italy;
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12
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Abstract
Cell-free systems (CFS) have recently evolved into key platforms for synthetic biology applications. Many synthetic biology tools have traditionally relied on cell-based systems, and while their adoption has shown great progress, the constraints inherent to the use of cellular hosts have limited their reach and scope. Cell-free systems, which can be thought of as programmable liquids, have removed many of these complexities and have brought about exciting opportunities for rational design and manipulation of biological systems. Here we review how these simple and accessible enzymatic systems are poised to accelerate the rate of advancement in synthetic biology and, more broadly, biotechnology.
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Affiliation(s)
- Aidan Tinafar
- Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College St., Toronto, ON, M5S 3M2, Canada
| | - Katariina Jaenes
- Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College St., Toronto, ON, M5S 3M2, Canada
| | - Keith Pardee
- Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College St., Toronto, ON, M5S 3M2, Canada.
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