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Schulte-Hermann J, Rießland H, MacKinnon N, Korvink JG, Islam M. Biomineralization of Electrospun Bacteria-Encapsulated Fibers: A Relevant Step toward Living Ceramic Fibers. ACS APPLIED BIO MATERIALS 2024. [PMID: 39205657 DOI: 10.1021/acsabm.4c00715] [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: 09/04/2024]
Abstract
Living ceramic materials are proposed as high-performance engineered living materials due to their expected properties, including improved mechanical stability and performance, which could impact a wide range of applications across various fields. Particularly, living ceramic fibers are anticipated to exhibit even superior mechanical and structural properties, considering their fibril nature. This work presents the foundation for developing the family of living ceramic fibers. Ureolytic bacteria, Sporosarcina pasteurii, are encapsulated within electrospun alginate fibers, which are further subjected to biomineralization. A live-dead assay reveals that the encapsulated bacteria survive the electrospinning process. Successful biomineralization of the fibers results in the precipitation of near-spherical calcium carbonate nanoparticles at the fiber sites. The cell density within the fibers exhibits a significant impact on the packing of calcium carbonate nanoparticles. While further extensive research is required to fully realize the potential of living ceramic fibers, the findings of this study represent a significant step toward their development.
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Affiliation(s)
- Julia Schulte-Hermann
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Hagen Rießland
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Neil MacKinnon
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Jan G Korvink
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Monsur Islam
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- IMDEA Materials Institute, Tecnogetafe, Calle Eric Kandel, 2, 28906 Getafe, Madrid, Spain
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2
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Herzog J, Franke L, Lai Y, Gomez Rossi P, Sachtleben J, Weuster-Botz D. 3D bioprinting of microorganisms: principles and applications. Bioprocess Biosyst Eng 2024; 47:443-461. [PMID: 38296889 PMCID: PMC11003907 DOI: 10.1007/s00449-023-02965-3] [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: 10/20/2023] [Accepted: 12/24/2023] [Indexed: 02/02/2024]
Abstract
In recent years, the ability to create intricate, live tissues and organs has been made possible thanks to three-dimensional (3D) bioprinting. Although tissue engineering has received a lot of attention, there is growing interest in the use of 3D bioprinting for microorganisms. Microorganisms like bacteria, fungi, and algae, are essential to many industrial bioprocesses, such as bioremediation as well as the manufacture of chemicals, biomaterials, and pharmaceuticals. This review covers current developments in 3D bioprinting methods for microorganisms. We go over the bioink compositions designed to promote microbial viability and growth, taking into account factors like nutrient delivery, oxygen supply, and waste elimination. Additionally, we investigate the most important bioprinting techniques, including extrusion-based, inkjet, and laser-assisted approaches, as well as their suitability with various kinds of microorganisms. We also investigate the possible applications of 3D bioprinted microbes. These range from constructing synthetic microbial consortia for improved metabolic pathway combinations to designing spatially patterned microbial communities for enhanced bioremediation and bioprocessing. We also look at the potential for 3D bioprinting to advance microbial research, including the creation of defined microenvironments to observe microbial behavior. In conclusion, the 3D bioprinting of microorganisms marks a paradigm leap in microbial bioprocess engineering and has the potential to transform many application areas. The ability to design the spatial arrangement of various microorganisms in functional structures offers unprecedented possibilities and ultimately will drive innovation.
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Affiliation(s)
- Josha Herzog
- Department of Energy and Process Engineering, TUM School of Engineering and Design, Chair of Biochemical Engineering, Technical University of Munich, Boltzmannstraße 15, 85748, Garching, Germany
| | - Lea Franke
- TUM Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Petersgasse 5, 94315, Straubing, Germany
| | - Yingyao Lai
- TUM Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Petersgasse 5, 94315, Straubing, Germany
| | - Pablo Gomez Rossi
- TUM Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Petersgasse 5, 94315, Straubing, Germany
| | - Janina Sachtleben
- TUM Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Petersgasse 5, 94315, Straubing, Germany
| | - Dirk Weuster-Botz
- Department of Energy and Process Engineering, TUM School of Engineering and Design, Chair of Biochemical Engineering, Technical University of Munich, Boltzmannstraße 15, 85748, Garching, Germany.
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3
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Tolmacheva N, Bhattacharyya A, Noh I. Calcium Phosphate Biomaterials for 3D Bioprinting in Bone Tissue Engineering. Biomimetics (Basel) 2024; 9:95. [PMID: 38392140 PMCID: PMC10886915 DOI: 10.3390/biomimetics9020095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 01/12/2024] [Accepted: 01/31/2024] [Indexed: 02/24/2024] Open
Abstract
Three-dimensional bioprinting is a promising technology for bone tissue engineering. However, most hydrogel bioinks lack the mechanical and post-printing fidelity properties suitable for such hard tissue regeneration. To overcome these weak properties, calcium phosphates can be employed in a bioink to compensate for the lack of certain characteristics. Further, the extracellular matrix of natural bone contains this mineral, resulting in its structural robustness. Thus, calcium phosphates are necessary components of bioink for bone tissue engineering. This review paper examines different recently explored calcium phosphates, as a component of potential bioinks, for the biological, mechanical and structural properties required of 3D bioprinted scaffolds, exploring their distinctive properties that render them favorable biomaterials for bone tissue engineering. The discussion encompasses recent applications and adaptations of 3D-printed scaffolds built with calcium phosphates, delving into the scientific reasons behind the prevalence of certain types of calcium phosphates over others. Additionally, this paper elucidates their interactions with polymer hydrogels for 3D bioprinting applications. Overall, the current status of calcium phosphate/hydrogel bioinks for 3D bioprinting in bone tissue engineering has been investigated.
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Affiliation(s)
- Nelli Tolmacheva
- Convergence Institute of Biomedical Engineering and Biomaterials, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Amitava Bhattacharyya
- Convergence Institute of Biomedical Engineering and Biomaterials, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
- Medical Electronics Research Center, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Insup Noh
- Convergence Institute of Biomedical Engineering and Biomaterials, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
- Department of Chemical and Biomolecular Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
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4
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Wu H, Wang T, Liang Y, Chen L, Li Z. Self-assembled and dynamic bond crosslinked herb-polysaccharide hydrogel with anti-inflammation and pro-angiogenesis effects for burn wound healing. Colloids Surf B Biointerfaces 2024; 233:113639. [PMID: 37951186 DOI: 10.1016/j.colsurfb.2023.113639] [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: 08/02/2023] [Revised: 10/16/2023] [Accepted: 11/06/2023] [Indexed: 11/13/2023]
Abstract
Excessive inflammation and defective angiogenesis can affect burn wound healing. Recently, naturally derived substances with anti-inflammatory and proangiogenic properties have attracted public attention. The design and fabrication of naturally derived substance-based bioactive hydrogels as wound dressings are of interest and important for regulating the complex microenvironment of the wound bed. Herein, we developed a hydrogel by self-assembling a natural herb (glycyrrhizic acid, GA) dynamic Schiff base crosslinking of hyaluronic acid derivatives and integrating deferoxamine (DFO). The naturally derived herbal GA endowed the bioactive hydrogel with a native anti-inflammatory capability. The introduction of dynamic bond crosslinking improved the hydrogel stability. In addition, dynamic crosslinking is conducive for integrating the naturally-derived DFO, delivering it to the wound site, and promoting angiogenesis. Rheological tests, injectability, degradation behavior, and drug release performance demonstrated the enhanced stability of the hydrogel and sustained release of DFO. Cytotoxicity, cell proliferation, and cell migration tests suggested that the hydrogel was biocompatible. Further, the hydrogel exerted anti-inflammatory and angiogenic effects and accelerated burn wound healing in rats. Therefore, the proposed hydrogel has the potential to be a natural, herb-based, bioactive dressing for burn wound management.
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Affiliation(s)
- Hongfu Wu
- Dongguan Key Laboratory of Stem Cell and Regenerative Tissue Engineering, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
| | - Tao Wang
- Department of Surgery, The Third Hospital of Guangdong Medical University (Longjiang Hospital of Shunde District), Foshan 528318, China
| | - Yinru Liang
- Dongguan Key Laboratory of Stem Cell and Regenerative Tissue Engineering, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
| | - Liji Chen
- Dongguan Key Laboratory of Stem Cell and Regenerative Tissue Engineering, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China
| | - Ziyi Li
- Dongguan Key Laboratory of Stem Cell and Regenerative Tissue Engineering, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523808, China; The Second Clinical Medical College, Guangdong Medical University, Dongguan 523808, China.
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5
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Lazarus E, Meyer AS, Ikuma K, Rivero IV. Three dimensional printed biofilms: Fabrication, design and future biomedical and environmental applications. Microb Biotechnol 2024; 17:e14360. [PMID: 38041693 PMCID: PMC10832517 DOI: 10.1111/1751-7915.14360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 10/02/2023] [Accepted: 10/11/2023] [Indexed: 12/03/2023] Open
Abstract
Three dimensional printing has emerged as a widely acceptable strategy for the fabrication of mammalian cell laden constructs with complex microenvironments for tissue engineering and regenerative medicine. More recently 3D printed living materials containing microorganisms have been developed and matured into living biofilms. The potential for engineered 3D biofilms as in vitro models for biomedical applications, such as antimicrobial susceptibility testing, and environmental applications, such as bioleaching, bioremediation, and wastewater purification, is extensive but the need for an in-depth understanding of the structure-function relationship between the complex construct and the microorganism response still exists. This review discusses 3D printing fabrication methods for engineered biofilms with specific structural features. Next, it highlights the importance of bioink compositions and 3D bioarchitecture design. Finally, a brief overview of current and potential applications of 3D printed biofilms in environmental and biomedical fields is discussed.
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Affiliation(s)
- Emily Lazarus
- Department Industrial and Systems EngineeringRochester Institute of TechnologyRochesterNew YorkUSA
| | - Anne S. Meyer
- Department of BiologyUniversity of RochesterRochesterNew YorkUSA
| | - Kaoru Ikuma
- Department of Civil, Construction, and Environmental EngineeringIowa State UniversityAmesIowaUSA
| | - Iris V. Rivero
- Department Industrial and Systems EngineeringRochester Institute of TechnologyRochesterNew YorkUSA
- Department of Biomedical EngineeringRochester Institute of TechnologyRochesterNew YorkUSA
- Department of Industrial and Systems EngineeringUniversity of FloridaGainesvilleFloridaUSA
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6
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Chen H, Xue H, Zeng H, Dai M, Tang C, Liu L. 3D printed scaffolds based on hyaluronic acid bioinks for tissue engineering: a review. Biomater Res 2023; 27:137. [PMID: 38142273 DOI: 10.1186/s40824-023-00460-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 11/07/2023] [Indexed: 12/25/2023] Open
Abstract
Hyaluronic acid (HA) is widely distributed in human connective tissue, and its unique biological and physicochemical properties and ability to facilitate biological structure repair make it a promising candidate for three-dimensional (3D) bioprinting in the field of tissue regeneration and biomedical engineering. Moreover, HA is an ideal raw material for bioinks in tissue engineering because of its histocompatibility, non-immunogenicity, biodegradability, anti-inflammatory properties, anti-angiogenic properties, and modifiability. Tissue engineering is a multidisciplinary field focusing on in vitro reconstructions of mammalian tissues, such as cartilage tissue engineering, neural tissue engineering, skin tissue engineering, and other areas that require further clinical applications. In this review, we first describe the modification methods, cross-linking methods, and bioprinting strategies for HA and its derivatives as bioinks and then critically discuss the strengths, shortcomings, and feasibility of each method. Subsequently, we reviewed the practical clinical applications and outcomes of HA bioink in 3D bioprinting. Finally, we describe the challenges and opportunities in the development of HA bioink to provide further research references and insights.
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Affiliation(s)
- Han Chen
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
- Ningxia Medical University, Ningxia, 750004, China
- Xijing Hospital of Air Force Military Medical University, Xi'an, 710032, China
| | - Huaqian Xue
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
- Ningxia Medical University, Ningxia, 750004, China
| | - Huanxuan Zeng
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
| | - Minghai Dai
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China
| | - Chengxuan Tang
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China.
| | - Liangle Liu
- The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325200, China.
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7
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Verma S, Khanna V, Kumar S, Kumar S. The Art of Building Living Tissues: Exploring the Frontiers of Biofabrication with 3D Bioprinting. ACS OMEGA 2023; 8:47322-47339. [PMID: 38144142 PMCID: PMC10734012 DOI: 10.1021/acsomega.3c02600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 09/11/2023] [Indexed: 12/26/2023]
Abstract
The scope of three-dimensional printing is expanding rapidly, with innovative approaches resulting in the evolution of state-of-the-art 3D bioprinting (3DbioP) techniques for solving issues in bioengineering and biopharmaceutical research. The methods and tools in 3DbioP emphasize the extrusion process, bioink formulation, and stability of the bioprinted scaffold. Thus, 3DbioP technology augments 3DP in the biological world by providing technical support to regenerative therapy, drug delivery, bioengineering of prosthetics, and drug kinetics research. Besides the above, drug delivery and dosage control have been achieved using 3D bioprinted microcarriers and capsules. Developing a stable, biocompatible, and versatile bioink is a primary requisite in biofabrication. The 3DbioP research is breaking the technical barriers at a breakneck speed. Numerous techniques and biomaterial advancements have helped to overcome current 3DbioP issues related to printability, stability, and bioink formulation. Therefore, this Review aims to provide an insight into the technical challenges of bioprinting, novel biomaterials for bioink formulation, and recently developed 3D bioprinting methods driving future applications in biofabrication research.
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Affiliation(s)
- Saurabh Verma
- Department
of Health Research-Multi-Disciplinary Research Unit, King George’s Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Vikram Khanna
- Department
of Oral Medicine and Radiology, King George’s
Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Smita Kumar
- Department
of Health Research-Multi-Disciplinary Research Unit, King George’s Medical University, Lucknow, Uttar Pradesh 226003, India
| | - Sumit Kumar
- Department
of Health Research-Multi-Disciplinary Research Unit, King George’s Medical University, Lucknow, Uttar Pradesh 226003, India
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8
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Ren T, Maitusong M, Zhou X, Hong X, Cheng S, Lin Y, Xue J, Xu D, Chen J, Qian Y, Lu Y, Liu X, Zhu Y, Wang J. Programing Cell Assembly via Ink-Free, Label-Free Magneto-Archimedes Based Strategy. ACS NANO 2023; 17:12072-12086. [PMID: 37363813 DOI: 10.1021/acsnano.2c10704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
Tissue engineering raised a high requirement to control cell distribution in defined materials and structures. In "ink"-based bioprintings, such as 3D printing and photolithography, cells were associated with inks for spatial orientation; the conditions suitable for one ink are hard to apply on other inks, which increases the obstacle in their universalization. The Magneto-Archimedes effect based (Mag-Arch) strategy can modulate cell locomotion directly without impelling inks. In a paramagnetic medium, cells were repelled from high magnetic strength zones due to their innate diamagnetism, which is independent of substrate properties. However, Mag-Arch has not been developed into a powerful bioprinting strategy as its precision, complexity, and throughput are limited by magnetic field distribution. By controlling the paramagnetic reagent concentration in the medium and the gaps between magnets, which decide the cell repelling scope of magnets, we created simultaneously more than a hundred micrometer scale identical assemblies into designed patterns (such as alphabets) with single/multiple cell types. Cell patterning models for cell migration and immune cell adhesion studies were conveniently created by Mag-Arch. As a proof of concept, we patterned a tumor/endothelial coculture model within a covered microfluidic channel to mimic epithelial-mesenchymal transition (EMT) under shear stress in a cancer pathological environment, which gave a potential solution to pattern multiple cell types in a confined space without any premodification. Overall, our Mag-Arch patterning presents an alternative strategy for the biofabrication and biohybrid assembly of cells with biomaterials featured in controlled distribution and organization, which can be broadly employed in tissue engineering, regenerative medicine, and cell biology research.
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Affiliation(s)
- Tanchen Ren
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
| | - Miribani Maitusong
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
| | - Xuhao Zhou
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
| | - Xiaoqian Hong
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
| | - Si Cheng
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
| | - Yin Lin
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
| | - Junhui Xue
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
| | - Dilin Xu
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
| | - Jinyong Chen
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
| | - Yi Qian
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
| | - Yuwen Lu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P.R. China
| | - Xianbao Liu
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
| | - Yang Zhu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P.R. China
| | - Jian'an Wang
- Department of Cardiology of The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310000, P.R. China
- Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, 310029, P.R. China
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9
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Sugianto W, Altin-Yavuzarslan G, Tickman BI, Kiattisewee C, Yuan SF, Brooks SM, Wong J, Alper HS, Nelson A, Carothers JM. Gene expression dynamics in input-responsive engineered living materials programmed for bioproduction. Mater Today Bio 2023; 20:100677. [PMID: 37273790 PMCID: PMC10239009 DOI: 10.1016/j.mtbio.2023.100677] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/14/2023] [Accepted: 05/19/2023] [Indexed: 06/06/2023] Open
Abstract
Engineered living materials (ELMs) fabricated by encapsulating microbes in hydrogels have great potential as bioreactors for sustained bioproduction. While long-term metabolic activity has been demonstrated in these systems, the capacity and dynamics of gene expression over time is not well understood. Thus, we investigate the long-term gene expression dynamics in microbial ELMs constructed using different microbes and hydrogel matrices. Through direct gene expression measurements of engineered E. coli in F127-bisurethane methacrylate (F127-BUM) hydrogels, we show that inducible, input-responsive genetic programs in ELMs can be activated multiple times and maintained for multiple weeks. Interestingly, the encapsulated bacteria sustain inducible gene expression almost 10 times longer than free-floating, planktonic cells. These ELMs exhibit dynamic responsiveness to repeated induction cycles, with up to 97% of the initial gene expression capacity retained following a subsequent induction event. We demonstrate multi-week bioproduction cycling by implementing inducible CRISPR transcriptional activation (CRISPRa) programs that regulate the expression of enzymes in a pteridine biosynthesis pathway. ELMs fabricated from engineered S. cerevisiae in bovine serum albumin (BSA) - polyethylene glycol diacrylate (PEGDA) hydrogels were programmed to express two different proteins, each under the control of a different chemical inducer. We observed scheduled bioproduction switching between betaxanthin pigment molecules and proteinase A in S. cerevisiae ELMs over the course of 27 days under continuous cultivation. Overall, these results suggest that the capacity for long-term genetic expression may be a general property of microbial ELMs. This work establishes approaches for implementing dynamic, input-responsive genetic programs to tailor ELM functions for a wide range of advanced applications.
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Affiliation(s)
- Widianti Sugianto
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, United States
- Molecular Engineering & Sciences Institute, University of Washington, Seattle, WA, 98195, United States
- Center for Synthetic Biology, University of Washington, Seattle, WA, 98195, United States
| | - Gokce Altin-Yavuzarslan
- Molecular Engineering & Sciences Institute, University of Washington, Seattle, WA, 98195, United States
- Department of Chemistry, University of Washington, Seattle, WA, 98195, United States
| | - Benjamin I. Tickman
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, United States
- Molecular Engineering & Sciences Institute, University of Washington, Seattle, WA, 98195, United States
- Center for Synthetic Biology, University of Washington, Seattle, WA, 98195, United States
| | - Cholpisit Kiattisewee
- Molecular Engineering & Sciences Institute, University of Washington, Seattle, WA, 98195, United States
- Center for Synthetic Biology, University of Washington, Seattle, WA, 98195, United States
| | - Shuo-Fu Yuan
- Institute for Cellular and Molecular Biology, University of Texas at Austin, Austin, TX, 78712, United States
| | - Sierra M. Brooks
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, 78712, United States
| | - Jitkanya Wong
- Department of Chemistry, University of Washington, Seattle, WA, 98195, United States
| | - Hal S. Alper
- Institute for Cellular and Molecular Biology, University of Texas at Austin, Austin, TX, 78712, United States
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, TX, 78712, United States
| | - Alshakim Nelson
- Molecular Engineering & Sciences Institute, University of Washington, Seattle, WA, 98195, United States
- Department of Chemistry, University of Washington, Seattle, WA, 98195, United States
| | - James M. Carothers
- Department of Chemical Engineering, University of Washington, Seattle, WA, 98195, United States
- Molecular Engineering & Sciences Institute, University of Washington, Seattle, WA, 98195, United States
- Center for Synthetic Biology, University of Washington, Seattle, WA, 98195, United States
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10
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Kyser AJ, Masigol M, Mahmoud MY, Ryan M, Lewis WG, Lewis AL, Frieboes HB, Steinbach-Rankins JM. Fabrication and characterization of bioprints with Lactobacillus crispatus for vaginal application. J Control Release 2023; 357:545-560. [PMID: 37076014 PMCID: PMC10696519 DOI: 10.1016/j.jconrel.2023.04.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 04/06/2023] [Accepted: 04/13/2023] [Indexed: 04/21/2023]
Abstract
Bacterial vaginosis (BV) is characterized by low levels of lactobacilli and overgrowth of potential pathogens in the female genital tract. Current antibiotic treatments often fail to treat BV in a sustained manner, and > 50% of women experience recurrence within 6 months post-treatment. Recently, lactobacilli have shown promise for acting as probiotics by offering health benefits in BV. However, as with other active agents, probiotics often require intensive administration schedules incurring difficult user adherence. Three-dimensional (3D)-bioprinting enables fabrication of well-defined architectures with tunable release of active agents, including live mammalian cells, offering the potential for long-acting probiotic delivery. One promising bioink, gelatin alginate has been previously shown to provide structural stability, host compatibility, viable probiotic incorporation, and cellular nutrient diffusion. This study formulates and characterizes 3D-bioprinted Lactobacillus crispatus-containing gelatin alginate scaffolds for gynecologic applications. Different weight to volume (w/v) ratios of gelatin alginate were bioprinted to determine formulations with highest printing resolution, and different crosslinking reagents were evaluated for effect on scaffold integrity via mass loss and swelling measurements. Post-print viability, sustained-release, and vaginal keratinocyte cytotoxicity assays were conducted. A 10:2 (w/v) gelatin alginate formulation was selected based on line continuity and resolution, while degradation and swelling experiments demonstrated greatest structural stability with dual genipin and calcium crosslinking, showing minimal mass loss and swelling over 28 days. 3D-bioprinted L. crispatus-containing scaffolds demonstrated sustained release and proliferation of live bacteria over 28 days, without impacting viability of vaginal epithelial cells. This study provides in vitro evidence for 3D-bioprinted scaffolds as a novel strategy to sustain probiotic delivery with the ultimate goal of restoring vaginal lactobacilli following microbiological disturbances.
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Affiliation(s)
- Anthony J Kyser
- Department of Bioengineering, University of Louisville Speed School of Engineering, Louisville, KY 40202, USA.
| | - Mohammadali Masigol
- Center for Predictive Medicine, University of Louisville, Louisville, KY 40202, USA.
| | - Mohamed Y Mahmoud
- Center for Predictive Medicine, University of Louisville, Louisville, KY 40202, USA; Department of Toxicology and Forensic Medicine, Faculty of Veterinary Medicine, Cairo University, Egypt.
| | - Mark Ryan
- Department of Bioengineering, University of Louisville Speed School of Engineering, Louisville, KY 40202, USA.
| | - Warren G Lewis
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of California San Diego, La Jolla, CA, USA; Glycobiology Research and Training Center, University of California San Diego, La Jolla, CA, USA.
| | - Amanda L Lewis
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of California San Diego, La Jolla, CA, USA; Glycobiology Research and Training Center, University of California San Diego, La Jolla, CA, USA.
| | - Hermann B Frieboes
- Department of Bioengineering, University of Louisville Speed School of Engineering, Louisville, KY 40202, USA; Center for Predictive Medicine, University of Louisville, Louisville, KY 40202, USA; Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40202, USA; UofL Health - Brown Cancer Center, University of Louisville, KY 40202, USA.
| | - Jill M Steinbach-Rankins
- Department of Bioengineering, University of Louisville Speed School of Engineering, Louisville, KY 40202, USA; Center for Predictive Medicine, University of Louisville, Louisville, KY 40202, USA; Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40202, USA; Department of Microbiology and Immunology, University of Louisville School of Medicine, Louisville, KY, USA.
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11
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An B, Wang Y, Huang Y, Wang X, Liu Y, Xun D, Church GM, Dai Z, Yi X, Tang TC, Zhong C. Engineered Living Materials For Sustainability. Chem Rev 2023; 123:2349-2419. [PMID: 36512650 DOI: 10.1021/acs.chemrev.2c00512] [Citation(s) in RCA: 41] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Recent advances in synthetic biology and materials science have given rise to a new form of materials, namely engineered living materials (ELMs), which are composed of living matter or cell communities embedded in self-regenerating matrices of their own or artificial scaffolds. Like natural materials such as bone, wood, and skin, ELMs, which possess the functional capabilities of living organisms, can grow, self-organize, and self-repair when needed. They also spontaneously perform programmed biological functions upon sensing external cues. Currently, ELMs show promise for green energy production, bioremediation, disease treatment, and fabricating advanced smart materials. This review first introduces the dynamic features of natural living systems and their potential for developing novel materials. We then summarize the recent research progress on living materials and emerging design strategies from both synthetic biology and materials science perspectives. Finally, we discuss the positive impacts of living materials on promoting sustainability and key future research directions.
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Affiliation(s)
- Bolin An
- Center for Materials Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.,CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yanyi Wang
- Center for Materials Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.,CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yuanyuan Huang
- Center for Materials Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.,CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Xinyu Wang
- Center for Materials Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.,CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yuzhu Liu
- Center for Materials Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.,CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Dongmin Xun
- Center for Materials Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.,CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - George M Church
- Center for Materials Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.,Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston 02115, Massachusetts United States.,Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston 02115, Massachusetts United States
| | - Zhuojun Dai
- Center for Materials Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.,CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Xiao Yi
- Center for Materials Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.,CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Tzu-Chieh Tang
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston 02115, Massachusetts United States.,Department of Genetics, Blavatnik Institute, Harvard Medical School, Boston 02115, Massachusetts United States
| | - Chao Zhong
- Center for Materials Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.,CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
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12
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Liu Y, Xia X, Liu Z, Dong M. The Next Frontier of 3D Bioprinting: Bioactive Materials Functionalized by Bacteria. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205949. [PMID: 36549677 DOI: 10.1002/smll.202205949] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/21/2022] [Indexed: 06/17/2023]
Abstract
3D bioprinting has become a flexible technical means used in many fields. Currently, research on 3D bioprinting is mainly focused on the use of mammalian cells to print organ and tissue models, which has greatly promoted progress in the fields of tissue engineering, regenerative medicine, and pharmaceuticals. In recent years, bacterial bioprinting has gradually become a rapidly developing research fields, with a wide range of potential applications in basic research, biomedicine, bioremediation, and other field. Here, this works reviews new research on bacterial bioprinting, and discuss its future research direction.
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Affiliation(s)
- Yifei Liu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Xiudong Xia
- Institute of Agricultural Product Processing, Jiangsu Academy of Agricultural Sciences, Nanjing, 210014, P. R. China
| | - Zhen Liu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, 210095, P. R. China
| | - Mingsheng Dong
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, 210095, P. R. China
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13
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Wang Y, Luo W, Lin F, Liu W, Gu R. Epigallocatechin-3-gallate selenium nanoparticles for neuroprotection by scavenging reactive oxygen species and reducing inflammation. Front Bioeng Biotechnol 2022; 10:989602. [PMID: 36159667 PMCID: PMC9493277 DOI: 10.3389/fbioe.2022.989602] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 08/23/2022] [Indexed: 11/20/2022] Open
Abstract
Purpose: Spinal cord injury (SCI) is a severely crippling injury. Scavenging reactive oxygen species (ROS) and suppressing inflammation to ameliorate secondary injury using biomaterials has turned into a promising strategy for SCI recuperation. Herein, epigallocatechin-3-gallate selenium nanoparticles (EGCG-Se NP) that scavenge ROS and attenuate inflammation were used for neuroprotection in SCI. Methods: EGCG-Se NP were arranged using a simple redox framework. The size, morphology, and chemical structure of the EGCG-Se NP were characterized. The protective effect of EGCG-Se NP for neuroprotection was examined in cell culture and in an SCI rat model. Results: EGCG-Se NP could promptly scavenge excess ROS and safeguard PC12 cells against H2O2-induced oxidative harm in vitro. After intravenous delivery in SCI rats, EGCG-Se NP significantly improved locomotor capacity and diminished the injury region by safeguarding neurons and myelin sheaths. Component studies showed that the main restorative impact of EGCG-Se NP was due to their ROS-scavenging and anti-inflammatory properties. Conclusion: This study showed the superior neuroprotective effect of EGCG-Se NP through ROS sequestration and anti-inflammatory capabilities. EGCG-Se NP could be a promising and effective treatment for SCI.
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Affiliation(s)
| | | | | | | | - Rui Gu
- *Correspondence: Wanguo Liu, ; Rui Gu,
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