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Zubiarrain-Laserna A, Martínez-Moreno D, López de Andrés J, de Lara-Peña L, Guaresti O, Zaldua AM, Jiménez G, Marchal JA. Beyond stiffness: deciphering the role of viscoelasticity in cancer evolution and treatment response. Biofabrication 2024; 16:042002. [PMID: 38862006 DOI: 10.1088/1758-5090/ad5705] [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: 11/23/2023] [Accepted: 06/11/2024] [Indexed: 06/13/2024]
Abstract
There is increasing evidence that cancer progression is linked to tissue viscoelasticity, which challenges the commonly accepted notion that stiffness is the main mechanical hallmark of cancer. However, this new insight has not reached widespread clinical use, as most clinical trials focus on the application of tissue elasticity and stiffness in diagnostic, therapeutic, and surgical planning. Therefore, there is a need to advance the fundamental understanding of the effect of viscoelasticity on cancer progression, to develop novel mechanical biomarkers of clinical significance. Tissue viscoelasticity is largely determined by the extracellular matrix (ECM), which can be simulatedin vitrousing hydrogel-based platforms. Since the mechanical properties of hydrogels can be easily adjusted by changing parameters such as molecular weight and crosslinking type, they provide a platform to systematically study the relationship between ECM viscoelasticity and cancer progression. This review begins with an overview of cancer viscoelasticity, describing how tumor cells interact with biophysical signals in their environment, how they contribute to tumor viscoelasticity, and how this translates into cancer progression. Next, an overview of clinical trials focused on measuring biomechanical properties of tumors is presented, highlighting the biomechanical properties utilized for cancer diagnosis and monitoring. Finally, this review examines the use of biofabricated tumor models for studying the impact of ECM viscoelasticity on cancer behavior and progression and it explores potential avenues for future research on the production of more sophisticated and biomimetic tumor models, as well as their mechanical evaluation.
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Affiliation(s)
- Ana Zubiarrain-Laserna
- Leartiker S. Coop., Xemein Etorbidea 12A, 48270 Markina-Xemein, Spain
- BioFab i3D- Biofabrication and 3D (bio)printing Laboratory, University of Granada, 18100 Granada, Spain
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, (CIBM) University of Granada, Granada, Spain
| | - Daniel Martínez-Moreno
- BioFab i3D- Biofabrication and 3D (bio)printing Laboratory, University of Granada, 18100 Granada, Spain
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, (CIBM) University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Excellence Research Unit 'Modeling Nature' (MNat), University of Granada, Granada, Spain
| | - Julia López de Andrés
- BioFab i3D- Biofabrication and 3D (bio)printing Laboratory, University of Granada, 18100 Granada, Spain
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, (CIBM) University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Excellence Research Unit 'Modeling Nature' (MNat), University of Granada, Granada, Spain
- Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, Granada, Spain
| | - Laura de Lara-Peña
- BioFab i3D- Biofabrication and 3D (bio)printing Laboratory, University of Granada, 18100 Granada, Spain
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, (CIBM) University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Excellence Research Unit 'Modeling Nature' (MNat), University of Granada, Granada, Spain
- Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, Granada, Spain
| | - Olatz Guaresti
- Leartiker S. Coop., Xemein Etorbidea 12A, 48270 Markina-Xemein, Spain
| | - Ane Miren Zaldua
- Leartiker S. Coop., Xemein Etorbidea 12A, 48270 Markina-Xemein, Spain
| | - Gema Jiménez
- BioFab i3D- Biofabrication and 3D (bio)printing Laboratory, University of Granada, 18100 Granada, Spain
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, (CIBM) University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Excellence Research Unit 'Modeling Nature' (MNat), University of Granada, Granada, Spain
- Department of Health Science, Faculty of Experimental Science, University of Jaen, 23071 Jaen, Spain
| | - Juan Antonio Marchal
- BioFab i3D- Biofabrication and 3D (bio)printing Laboratory, University of Granada, 18100 Granada, Spain
- Biopathology and Regenerative Medicine Institute (IBIMER), Centre for Biomedical Research, (CIBM) University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada (ibs.GRANADA), Granada, Spain
- Excellence Research Unit 'Modeling Nature' (MNat), University of Granada, Granada, Spain
- Department of Human Anatomy and Embryology, Faculty of Medicine, University of Granada, Granada, Spain
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2
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Chaurasia P, Singh R, Mahto SK. FRESH-based 3D bioprinting of complex biological geometries using chitosan bioink. Biofabrication 2024; 16:045007. [PMID: 38942010 DOI: 10.1088/1758-5090/ad5d18] [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: 01/17/2024] [Accepted: 06/28/2024] [Indexed: 06/30/2024]
Abstract
Traditional three-dimensional (3D) bioprinting has always been associated with the challenge of print fidelity of complex geometries due to the gel-like nature of the bioinks. Embedded 3D bioprinting has emerged as a potential solution to print complex geometries using proteins and polysaccharides-based bioinks. This study demonstrated the Freeform Reversible Embedding of Suspended Hydrogels (FRESH) 3D bioprinting method of chitosan bioink to 3D bioprint complex geometries. 4.5% chitosan was dissolved in an alkali solvent to prepare the bioink. Rheological evaluation of the bioink described its shear-thinning nature. The power law equation was fitted to the shear rate-viscosity plot. The flow index value was found to be less than 1, categorizing the material as pseudo-plastic. The chitosan bioink was extruded into another medium, a thermo-responsive 4.5% gelatin hydrogel. This hydrogel supports the growing print structures while printing. After this, the 3D bioprinted structure was crosslinked with hot water to stabilize the structure. Using this method, we have 3D bioprinted complex biological structures like the human tri-leaflet heart valve, a section of a human right coronary arterial tree, a scale-down outer structure of the human kidney, and a human ear. Additionally, we have shown the mechanical tunability and suturability of the 3D bioprinted structures. This study demonstrates the capability of the chitosan bioink and FRESH method for 3D bioprinting of complex biological models for biomedical applications.
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Affiliation(s)
- Parul Chaurasia
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh 221005, India
| | - Richa Singh
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh 221005, India
| | - Sanjeev Kumar Mahto
- Tissue Engineering and Biomicrofluidics Laboratory, School of Biomedical Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, Uttar Pradesh 221005, India
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3
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Jiang T, Chen S, Xu J, Zhang Y, Fu H, Ling Q, Xu Y, Chu X, Wang R, Hu L, Li H, Huang W, Bian L, Zhao P, Wei F. Superporous sponge prepared by secondary network compaction with enhanced permeability and mechanical properties for non-compressible hemostasis in pigs. Nat Commun 2024; 15:5460. [PMID: 38937462 PMCID: PMC11211411 DOI: 10.1038/s41467-024-49578-2] [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: 01/04/2024] [Accepted: 06/12/2024] [Indexed: 06/29/2024] Open
Abstract
Developing superporous hemostatic sponges with simultaneously enhanced permeability and mechanical properties remains challenging but highly desirable to achieve rapid hemostasis for non-compressible hemorrhage. Typical approaches to improve the permeability of hemostatic sponges by increasing porosity sacrifice mechanical properties and yield limited pore interconnectivity, thereby undermining the hemostatic efficacy and subsequent tissue regeneration. Herein, we propose a temperature-assisted secondary network compaction strategy following the phase separation-induced primary compaction to fabricate the superporous chitosan sponge with highly-interconnected porous structure, enhanced blood absorption rate and capacity, and fatigue resistance. The superporous chitosan sponge exhibits rapid shape recovery after absorbing blood and maintains sufficient pressure on wounds to build a robust physical barrier to greatly improve hemostatic efficiency. Furthermore, the superporous chitosan sponge outperforms commercial gauze, gelatin sponges, and chitosan powder by enhancing hemostatic efficiency, cell infiltration, vascular regeneration, and in-situ tissue regeneration in non-compressible organ injury models, respectively. We believe the proposed secondary network compaction strategy provides a simple yet effective method to fabricate superporous hemostatic sponges for diverse clinical applications.
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Affiliation(s)
- Tianshen Jiang
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Sirong Chen
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Jingwen Xu
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Yuxiao Zhang
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Hao Fu
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Qiangjun Ling
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Yan Xu
- Department of Orthopedic Surgery, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518107, China
| | - Xiangyu Chu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Ruinan Wang
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Liangcong Hu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Hao Li
- Department of Joint Surgery, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, China
| | - Weitong Huang
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China
| | - Liming Bian
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China.
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510006, China.
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, China.
| | - Pengchao Zhao
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, China.
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China.
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510006, China.
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, China.
| | - Fuxin Wei
- Department of Orthopedic Surgery, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, 518107, China.
- Shenzhen Key Laboratory of Bone Tissue Repair and Translational Research, Shenzhen, 518107, China.
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Xuan L, Hou Y, Liang L, Wu J, Fan K, Lian L, Qiu J, Miao Y, Ravanbakhsh H, Xu M, Tang G. Microgels for Cell Delivery in Tissue Engineering and Regenerative Medicine. NANO-MICRO LETTERS 2024; 16:218. [PMID: 38884868 PMCID: PMC11183039 DOI: 10.1007/s40820-024-01421-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 04/26/2024] [Indexed: 06/18/2024]
Abstract
Microgels prepared from natural or synthetic hydrogel materials have aroused extensive attention as multifunctional cells or drug carriers, that are promising for tissue engineering and regenerative medicine. Microgels can also be aggregated into microporous scaffolds, promoting cell infiltration and proliferation for tissue repair. This review gives an overview of recent developments in the fabrication techniques and applications of microgels. A series of conventional and novel strategies including emulsification, microfluidic, lithography, electrospray, centrifugation, gas-shearing, three-dimensional bioprinting, etc. are discussed in depth. The characteristics and applications of microgels and microgel-based scaffolds for cell culture and delivery are elaborated with an emphasis on the advantages of these carriers in cell therapy. Additionally, we expound on the ongoing and foreseeable applications and current limitations of microgels and their aggregate in the field of biomedical engineering. Through stimulating innovative ideas, the present review paves new avenues for expanding the application of microgels in cell delivery techniques.
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Affiliation(s)
- Leyan Xuan
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China
| | - Yingying Hou
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China
| | - Lu Liang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China
| | - Jialin Wu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China
| | - Kai Fan
- School of Automation, Hangzhou Dianzi University, Hangzhou, 310018, People's Republic of China
| | - Liming Lian
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Jianhua Qiu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China
| | - Yingling Miao
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China
| | - Hossein Ravanbakhsh
- Department of Biomedical Engineering, The University of Akron, Akron, OH, 44325, USA.
| | - Mingen Xu
- School of Automation, Hangzhou Dianzi University, Hangzhou, 310018, People's Republic of China.
| | - Guosheng Tang
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target and Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, 511436, People's Republic of China.
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5
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Wu Y, Yang X, Gupta D, Alioglu MA, Qin M, Ozbolat V, Li Y, Ozbolat IT. Dissecting the Interplay Mechanism among Process Parameters toward the Biofabrication of High-Quality Shapes in Embedded Bioprinting. ADVANCED FUNCTIONAL MATERIALS 2024; 34:2313088. [PMID: 38952568 PMCID: PMC11216718 DOI: 10.1002/adfm.202313088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Indexed: 07/03/2024]
Abstract
Embedded bioprinting overcomes the barriers associated with the conventional extrusion-based bioprinting process as it enables the direct deposition of bioinks in 3D inside a support bath by providing in situ self-support for deposited bioinks during bioprinting to prevent their collapse and deformation. Embedded bioprinting improves the shape quality of bioprinted constructs made up of soft materials and low-viscosity bioinks, leading to a promising strategy for better anatomical mimicry of tissues or organs. Herein, the interplay mechanism among the printing process parameters toward improved shape quality is critically reviewed. The impact of material properties of the support bath and bioink, printing conditions, cross-linking mechanisms, and post-printing treatment methods, on the printing fidelity, stability, and resolution of the structures is meticulously dissected and thoroughly discussed. Further, the potential scope and applications of this technology in the fields of bioprinting and regenerative medicine are presented. Finally, outstanding challenges and opportunities of embedded bioprinting as well as its promise for fabricating functional solid organs in the future are discussed.
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Affiliation(s)
- Yang Wu
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen 518055, China
| | - Xue Yang
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen 518055, China
| | - Deepak Gupta
- The Huck Institutes of the Life Sciences, Penn State University University Park, PA 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA 16802, USA
| | - Mecit Altan Alioglu
- The Huck Institutes of the Life Sciences, Penn State University University Park, PA 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA 16802, USA
| | - Minghao Qin
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen 518055, China
| | - Veli Ozbolat
- Biotechnology Research and Application Center, Cukurova University, Adana 01130, Turkey
- Ceyhan Engineering Faculty, Mechanical Engineering Department, Cukurova University, Adana 01330, Turkey
- Institute of Natural and Applied Sciences, Tissue Engineering Department, Cukurova University, Adana 01130, Turkey
| | - Yao Li
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen 518055, China
| | - Ibrahim T Ozbolat
- The Huck Institutes of the Life Sciences, Penn State University University Park, PA 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA 16802, USA
- Department of Biomedical Engineering, Penn State University, University Park, PA 16802, USA
- Materials Research Institute, Penn State University, University Park, PA 16802, USA
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA 17033, USA
- Penn State Cancer Institute, Penn State University, Hershey, PA 17033, USA
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Khorsandi D, Rezayat D, Sezen S, Ferrao R, Khosravi A, Zarepour A, Khorsandi M, Hashemian M, Iravani S, Zarrabi A. Application of 3D, 4D, 5D, and 6D bioprinting in cancer research: what does the future look like? J Mater Chem B 2024; 12:4584-4612. [PMID: 38686396 DOI: 10.1039/d4tb00310a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
The application of three- and four-dimensional (3D/4D) printing in cancer research represents a significant advancement in understanding and addressing the complexities of cancer biology. 3D/4D materials provide more physiologically relevant environments compared to traditional two-dimensional models, allowing for a more accurate representation of the tumor microenvironment that enables researchers to study tumor progression, drug responses, and interactions with surrounding tissues under conditions similar to in vivo conditions. The dynamic nature of 4D materials introduces the element of time, allowing for the observation of temporal changes in cancer behavior and response to therapeutic interventions. The use of 3D/4D printing in cancer research holds great promise for advancing our understanding of the disease and improving the translation of preclinical findings to clinical applications. Accordingly, this review aims to briefly discuss 3D and 4D printing and their advantages and limitations in the field of cancer. Moreover, new techniques such as 5D/6D printing and artificial intelligence (AI) are also introduced as methods that could be used to overcome the limitations of 3D/4D printing and opened promising ways for the fast and precise diagnosis and treatment of cancer.
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Affiliation(s)
- Danial Khorsandi
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90024, USA
| | - Dorsa Rezayat
- Center for Global Design and Manufacturing, College of Engineering and Applied Science, University of Cincinnati, 2901 Woodside Drive, Cincinnati, OH 45221, USA
| | - Serap Sezen
- Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla 34956 Istanbul, Türkiye
- Nanotechnology Research and Application Center, Sabanci University, Tuzla 34956 Istanbul, Türkiye
| | - Rafaela Ferrao
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90024, USA
- University of Coimbra, Institute for Interdisciplinary Research, Doctoral Programme in Experimental Biology and Biomedicine (PDBEB), Portugal
| | - Arezoo Khosravi
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, Istanbul Okan University, Istanbul 34959, Türkiye
| | - Atefeh Zarepour
- Department of Research Analytics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai - 600 077, India
| | - Melika Khorsandi
- Department of Cellular and Molecular Biology, Najafabad Branch, Islamic Azad University, Isfahan, Iran
| | - Mohammad Hashemian
- Department of Cellular and Molecular Biology, Najafabad Branch, Islamic Azad University, Isfahan, Iran
| | - Siavash Iravani
- Independent Researcher, W Nazar ST, Boostan Ave, Isfahan, Iran.
| | - Ali Zarrabi
- Department of Biomedical Engineering, Faculty of Engineering and Natural Sciences, Istinye University, Istanbul 34396, Türkiye.
- Graduate School of Biotechnology and Bioengineering, Yuan Ze University, Taoyuan 320315, Taiwan
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Shi J, Yao H, Wang B, Yang J, Liu D, Shang X, Chong H, Fei W, Wang DA. Construction of a Decellularized Multicomponent Extracellular Matrix Interpenetrating Network Scaffold by Gelatin Microporous Hydrogel 3D Cell Culture System. Macromol Rapid Commun 2024; 45:e2300508. [PMID: 38049086 DOI: 10.1002/marc.202300508] [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: 08/25/2023] [Revised: 11/25/2023] [Indexed: 12/06/2023]
Abstract
Interface tissue repair requires the construction of biomaterials with integrated structures of multiple protein types. Hydrogels that modulate internal porous structures provide a 3D microenvironment for encapsulated cells, making them promise for interface tissue repair. Currently, reduction of intrinsic immunogenicity and increase of bioactive extracellular matrix (ECM) secretion are issues to be considered in these materials. In this study, gelatin methacrylate (GelMA) hydrogel is used to encapsulate chondrocytes and construct a phase transition 3D cell culture system (PTCC) by utilizing the thermosensitivity of gelatin microspheres to create micropores within the hydrogel. The types of bioactive extracellular matrix protein formation by chondrocytes encapsulated in hydrogels are investigated in vitro. After 28 days of culture, GelMA PTCC forms an extracellular matrix predominantly composed of collagen type II, collagen type I, and fibronectin. After decellularization, the protein types and mechanical properties are well preserved, fabricating a decellularized tissue-engineered extracellular matrix and GelMA hydrogel interpenetrating network hydrogel (dECM-GelMA IPN) consisting of GelMA hydrogel as the first-level network and the ECM secreted by chondrocytes as the second-level network. This material has the potential to mediate the repair and regeneration of tendon-bone interface tissues with multiple protein types.
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Affiliation(s)
- Junli Shi
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Hang Yao
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Bowen Wang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Jian Yang
- Department of Orthopedics and Sports Medicine, Northern Jiangsu People's Hospital, Yangzhou, 225001, P. R. China
- Clinical Medical College, Yangzhou University, Yangzhou, 225001, P. R. China
| | - Dianwei Liu
- Department of Orthopedics and Sports Medicine, Northern Jiangsu People's Hospital, Yangzhou, 225001, P. R. China
| | - Xianfeng Shang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Hui Chong
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225009, P. R. China
| | - Wenyong Fei
- Department of Orthopedics and Sports Medicine, Northern Jiangsu People's Hospital, Yangzhou, 225001, P. R. China
- Clinical Medical College, Yangzhou University, Yangzhou, 225001, P. R. China
| | - Dong-An Wang
- Department of Biomedical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong S.A.R
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, P. R. China
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8
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Zhang C, Hua W, Mitchell K, Raymond L, Delzendehrooy F, Wen L, Do C, Chen J, Yang Y, Linke G, Zhang Z, Krishnan MA, Kuss M, Coulter R, Bandala E, Liao Y, Duan B, Zhao D, Chai G, Jin Y. Multiscale embedded printing of engineered human tissue and organ equivalents. Proc Natl Acad Sci U S A 2024; 121:e2313464121. [PMID: 38346211 PMCID: PMC10907305 DOI: 10.1073/pnas.2313464121] [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: 08/10/2023] [Accepted: 01/09/2024] [Indexed: 02/15/2024] Open
Abstract
Creating tissue and organ equivalents with intricate architectures and multiscale functional feature sizes is the first step toward the reconstruction of transplantable human tissues and organs. Existing embedded ink writing approaches are limited by achievable feature sizes ranging from hundreds of microns to tens of millimeters, which hinders their ability to accurately duplicate structures found in various human tissues and organs. In this study, a multiscale embedded printing (MSEP) strategy is developed, in which a stimuli-responsive yield-stress fluid is applied to facilitate the printing process. A dynamic layer height control method is developed to print the cornea with a smooth surface on the order of microns, which can effectively overcome the layered morphology in conventional extrusion-based three-dimensional bioprinting methods. Since the support bath is sensitive to temperature change, it can be easily removed after printing by tuning the ambient temperature, which facilitates the fabrication of human eyeballs with optic nerves and aortic heart valves with overhanging leaflets on the order of a few millimeters. The thermosensitivity of the support bath also enables the reconstruction of the full-scale human heart on the order of tens of centimeters by on-demand adding support bath materials during printing. The proposed MSEP demonstrates broader printable functional feature sizes ranging from microns to centimeters, providing a viable and reliable technical solution for tissue and organ printing in the future.
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Affiliation(s)
- Cheng Zhang
- Department of Mechanical Engineering, University of Nevada, Reno, NV89557
- State Key Laboratory of High-Performance Precision Manufacturing, School of Mechanical Engineering, Dalian University of Technology, Dalian116024, China
| | - Weijian Hua
- Department of Mechanical Engineering, University of Nevada, Reno, NV89557
| | - Kellen Mitchell
- Department of Mechanical Engineering, University of Nevada, Reno, NV89557
| | - Lily Raymond
- Department of Mechanical Engineering, University of Nevada, Reno, NV89557
| | - Fatemeh Delzendehrooy
- Department of Industrial and Manufacturing Systems Engineering, Iowa State University, Ames, IA50011
| | - Lai Wen
- Department of Pharmacology, Center for Molecular and Cellular Signaling in the Cardiovascular System, School of Medicine, University of Nevada, Reno, NV89557
| | - Changwoo Do
- Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN37831-6475
| | - Jihua Chen
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN37830
| | - Ying Yang
- Department of Chemistry, University of Nevada, Reno, NV89557
| | - Gabe Linke
- Three-Dimensional Advanced Visualization Laboratory, Department of Pediatric Radiology, Children’s Hospital & Medical Center, Omaha, NE68114
| | - Zhengyi Zhang
- School of Naval Architecture and Ocean Engineering, Huazhong University of Science and Technology, Wuhan430074, China
| | - Mena Asha Krishnan
- Mary & Dick Holland Regenerative Medicine Program, Division of Cardiovascular Medicine, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE68198
| | - Mitchell Kuss
- Mary & Dick Holland Regenerative Medicine Program, Division of Cardiovascular Medicine, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE68198
| | - Ryan Coulter
- Department of Mechanical Engineering, University of Nevada, Reno, NV89557
| | - Erick Bandala
- Department of Mechanical Engineering, University of Nevada, Reno, NV89557
| | - Yiliang Liao
- Department of Industrial and Manufacturing Systems Engineering, Iowa State University, Ames, IA50011
| | - Bin Duan
- Mary & Dick Holland Regenerative Medicine Program, Division of Cardiovascular Medicine, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE68198
| | - Danyang Zhao
- State Key Laboratory of High-Performance Precision Manufacturing, School of Mechanical Engineering, Dalian University of Technology, Dalian116024, China
| | - Guangrui Chai
- Department of Ophthalmology, Shengjing Hospital of China Medical University, Shenyang110004, China
| | - Yifei Jin
- Department of Mechanical Engineering, University of Nevada, Reno, NV89557
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9
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Zhang C, Zhou X, Wang D, Hao L, Zeng Z, Su L. Hydrogel-Loaded Exosomes: A Promising Therapeutic Strategy for Musculoskeletal Disorders. J Clin Pharm Ther 2023; 2023:1-36. [DOI: 10.1155/2023/1105664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/26/2024]
Abstract
Clinical treatment strategies for musculoskeletal disorders have been a hot research topic. Accumulating evidence suggests that hydrogels loaded with MSC-derived EVs show great potential in improving musculoskeletal injuries. The ideal hydrogels should be capable of promoting the development of new tissues and simulating the characteristics of target tissues, with the properties matching the cell-matrix constituents of autologous tissues. Although there have been numerous reports of hydrogels loaded with MSC-derived EVs for the repair of musculoskeletal injuries, such as intervertebral disc injury, tendinopathy, bone fractures, and cartilage injuries, there are still many hurdles to overcome before the clinical application of modified hydrogels. In this review, we focus on the advantages of the isolation technique of EVs in combination with different types of hydrogels. In this context, the efficacy of hydrogels loaded with MSC-derived EVs in different musculoskeletal injuries is discussed in detail to provide a reference for the future application of hydrogels loaded with MSC-derived EVs in the clinical treatment of musculoskeletal injuries.
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Affiliation(s)
- Chunyu Zhang
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
| | - Xuchang Zhou
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
| | - Dongxue Wang
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
| | - Li Hao
- Shougang Technician College, Nursing School, Beijing 100043, China
- Department of Rehabilitation, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510000, China
| | - Zhipeng Zeng
- School of Sport Medicine and Rehabilitation, Beijing Sport University, Beijing 100084, China
- Shougang Technician College, Nursing School, Beijing 100043, China
- Department of Rehabilitation, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510000, China
| | - Lei Su
- Department of Rehabilitation, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou 510000, China
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10
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Ben Messaoud G, Aveic S, Wachendoerfer M, Fischer H, Richtering W. 3D Printable Gelatin Methacryloyl (GelMA)-Dextran Aqueous Two-Phase System with Tunable Pores Structure and Size Enables Physiological Behavior of Embedded Cells In Vitro. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2208089. [PMID: 37403299 DOI: 10.1002/smll.202208089] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 06/23/2023] [Indexed: 07/06/2023]
Abstract
The restricted porosity of most hydrogels established for in vitro 3D tissue engineering applications limits embedded cells with regard to their physiological spreading, proliferation, and migration behavior. To overcome these confines, porous hydrogels derived from aqueous two-phase systems (ATPS) are an interesting alternative. However, while developing hydrogels with trapped pores is widespread, the design of bicontinuous hydrogels is still challenging. Herein, an ATPS consisting of photo-crosslinkable gelatin methacryloyl (GelMA) and dextran is presented. The phase behavior, monophasic or biphasic, is tuned via the pH and dextran concentration. This, in turn, allows the formation of hydrogels with three distinct microstructures: homogenous nonporous, regular disconnected-pores, and bicontinuous with interconnected-pores. The pore size of the latter two hydrogels can be tuned from ≈4 to 100 µm. Cytocompatibility of the generated ATPS hydrogels is confirmed by testing the viability of stromal and tumor cells. Their distribution and growth pattern are cell-type specific but are also strongly defined by the microstructure of the hydrogel. Finally, it is demonstrated that the unique porous structure is sustained when processing the bicontinuous system by inkjet and microextrusion techniques. The proposed ATPS hydrogels hold great potential for 3D tissue engineering applications due to their unique tunable interconnected porosity.
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Affiliation(s)
- Ghazi Ben Messaoud
- Institute of Physical Chemistry, RWTH Aachen University, Landoltweg 2, European Union, 52074, Aachen, Germany
- DWI-Leibniz Institute for Interactive Materials, Forckenbeckstrasse 50, European Union, 52074, Aachen, Germany
| | - Sanja Aveic
- Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, 52074, Aachen, Germany
| | - Mattis Wachendoerfer
- Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, 52074, Aachen, Germany
| | - Horst Fischer
- Department of Dental Materials and Biomaterials Research, RWTH Aachen University Hospital, 52074, Aachen, Germany
| | - Walter Richtering
- Institute of Physical Chemistry, RWTH Aachen University, Landoltweg 2, European Union, 52074, Aachen, Germany
- DWI-Leibniz Institute for Interactive Materials, Forckenbeckstrasse 50, European Union, 52074, Aachen, Germany
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11
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Yu Y, Xiao H, Tang G, Wang H, Shen J, Sun Y, Wang S, Kong W, Chai Y, Liu X, Wang X, Wen G. Biomimetic hydrogel derived from decellularized dermal matrix facilitates skin wounds healing. Mater Today Bio 2023; 21:100725. [PMID: 37483381 PMCID: PMC10359665 DOI: 10.1016/j.mtbio.2023.100725] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/15/2023] [Accepted: 07/06/2023] [Indexed: 07/25/2023] Open
Abstract
Cutaneous wound healing affecting millions of people worldwide represents an unsolvable clinical issue that is frequently challenged by scar formation with dramatical pain, impaired mobility and disfigurement. Herein, we prepared a kind of light-sensitive decellularized dermal extracellular matrix-derived hydrogel with fast gelling performance, biomimetic porous microstructure and abundant bioactive functions. On account of its excellent cell biocompatibility, this ECM-derived hydrogel could induce a marked cellular infiltration and enhance the tube formation of HUVECs. In vivo experiments based upon excisional wound splinting model showed that the hydrogel prominently imparted skin wound healing, as evidenced by notably increased skin appendages and well-organized collagen expression, coupled with significantly enhanced angiogenesis. Moreover, the skin regeneration mediated by this bioactive hydrogel was promoted by an accelerated M1-to-M2 macrophage phenotype transition. Consequently, the decellularized dermal matrix-derived bioactive hydrogel orchestrates the entire skin healing microenvironment to promote wound healing and will be of high value in treatment of cutaneous wound healing. As such, this biomimetic ddECMMA hydrogel provides a promising versatile opinion for the clinical translation.
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Affiliation(s)
- Yaling Yu
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
- Institute of Microsurgery on Extremities, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Huimin Xiao
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Guoke Tang
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai, 200080, China
| | - Hongshu Wang
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Junjie Shen
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Yi Sun
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Shuaiqun Wang
- College of Information Engineering, Shanghai Maritime University, Shanghai, 201306, China
| | - Wei Kong
- College of Information Engineering, Shanghai Maritime University, Shanghai, 201306, China
| | - Yimin Chai
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Xuanzhe Liu
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
| | - Xing Wang
- Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Gen Wen
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200233, China
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12
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Shi J, Teng Y, Li D, He J, Midgley AC, Guo X, Wang X, Yang X, Wang S, Feng Y, Lv Q, Hou S. Biomimetic tri-layered small-diameter vascular grafts with decellularized extracellular matrix promoting vascular regeneration and inhibiting thrombosis with the salidroside. Mater Today Bio 2023; 21:100709. [PMID: 37455822 PMCID: PMC10339197 DOI: 10.1016/j.mtbio.2023.100709] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 05/20/2023] [Accepted: 06/16/2023] [Indexed: 07/18/2023] Open
Abstract
Small-diameter vascular grafts (SDVGs) are urgently required for clinical applications. Constructing vascular grafts mimicking the defining features of native arteries is a promising strategy. Here, we constructed a tri-layered vascular graft with a native artery decellularized extracellular matrix (dECM) mimicking the component of arteries. The porcine thoracic aorta was decellularized and milled into dECM powders from the differential layers. The intima and media dECM powders were blended with poly (L-lactide-co-caprolactone) (PLCL) as the inner and middle layers of electrospun vascular grafts, respectively. Pure PLCL was electrospun as a strengthening sheath for the outer layer. Salidroside was loaded into the inner layer of vascular grafts to inhibit thrombus formation. In vitro studies demonstrated that dECM provided a bioactive milieu for human umbilical vein endothelial cell (HUVEC) extension adhesion, proliferation, migration, and tube-forming. The in vivo studies showed that the addition of dECM could promote endothelialization, smooth muscle regeneration, and extracellular matrix deposition. The salidroside could inhibit thrombosis. Our study mimicked the component of the native artery and combined it with the advantages of synthetic polymer and dECM which provided a promising strategy for the design and construction of SDVGs.
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Affiliation(s)
- Jie Shi
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, 325026, China
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin, 300072, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, 300072, China
| | - Yanjiao Teng
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, 325026, China
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin, 300072, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, 300072, China
| | - Duo Li
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, 325026, China
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin, 300072, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, 300072, China
| | - Ju He
- Vascular Surgery, Tianjin First Central Hospital, Tianjin, 300192, China
| | - Adam C. Midgley
- Key Laboratory of Bioactive Materials for the Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Xiaoqin Guo
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, 325026, China
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin, 300072, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, 300072, China
| | - Xiudan Wang
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, 325026, China
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin, 300072, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, 300072, China
| | - Xinran Yang
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, 325026, China
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin, 300072, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, 300072, China
| | - Shufang Wang
- Key Laboratory of Bioactive Materials for the Ministry of Education, College of Life Sciences, Nankai University, Tianjin, 300071, China
| | - Yakai Feng
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
- Frontiers Science Center for Synthetic Biology, Tianjin University, 30072, China
- Key Laboratory of Systems Bioengineering (MOE), Tianjin University, 30072, China
| | - Qi Lv
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, 325026, China
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin, 300072, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, 300072, China
| | - Shike Hou
- Wenzhou Safety (Emergency) Institute of Tianjin University, Wenzhou, 325026, China
- Institute of Disaster and Emergency Medicine, Tianjin University, Tianjin, 300072, China
- Key Laboratory for Disaster Medicine Technology, Tianjin, 300072, China
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13
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Asim S, Tabish TA, Liaqat U, Ozbolat IT, Rizwan M. Advances in Gelatin Bioinks to Optimize Bioprinted Cell Functions. Adv Healthc Mater 2023; 12:e2203148. [PMID: 36802199 PMCID: PMC10330013 DOI: 10.1002/adhm.202203148] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 01/31/2023] [Indexed: 02/21/2023]
Abstract
Gelatin is a widely utilized bioprinting biomaterial due to its cell-adhesive and enzymatically cleavable properties, which improve cell adhesion and growth. Gelatin is often covalently cross-linked to stabilize bioprinted structures, yet the covalently cross-linked matrix is unable to recapitulate the dynamic microenvironment of the natural extracellular matrix (ECM), thereby limiting the functions of bioprinted cells. To some extent, a double network bioink can provide a more ECM-mimetic, bioprinted niche for cell growth. More recently, gelatin matrices are being designed using reversible cross-linking methods that can emulate the dynamic mechanical properties of the ECM. This review analyzes the progress in developing gelatin bioink formulations for 3D cell culture, and critically analyzes the bioprinting and cross-linking techniques, with a focus on strategies to optimize the functions of bioprinted cells. This review discusses new cross-linking chemistries that recapitulate the viscoelastic, stress-relaxing microenvironment of the ECM, and enable advanced cell functions, yet are less explored in engineering the gelatin bioink. Finally, this work presents the perspective on the areas of future research and argues that the next generation of gelatin bioinks should be designed by considering cell-matrix interactions, and bioprinted constructs should be validated against currently established 3D cell culture standards to achieve improved therapeutic outcomes.
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Affiliation(s)
- Saad Asim
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, 49931 USA
| | - Tanveer A. Tabish
- Cardiovascular Division, Radcliff Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Usman Liaqat
- Department of Materials Engineering, School of Chemical and Materials Engineering (SCME), National University of Sciences & Technology (NUST), Pakistan
| | - Ibrahim T. Ozbolat
- Engineering Science and Mechanics, Penn State, University Park, PA 16802, USA
- Department of Biomedical Engineering, Penn State, University Park, PA 16802, USA
- Department of Neurosurgery, Penn State, Hershey, PA 16802, USA
- Department of Medical Oncology, Cukurova University, Adana 01330, Turkey
| | - Muhammad Rizwan
- Department of Biomedical Engineering, Michigan Technological University, Houghton, MI, 49931 USA
- Health Research Institute, Michigan Technological University, Houghton, MI, 49931 USA
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14
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Yang X, Yang B, Deng Y, Xie X, Qi Y, Yan G, Peng X, Zhao P, Bian L. Coacervation-Mediated Cytocompatible Formation of Supramolecular Hydrogels with Self-Evolving Macropores for 3D Multicellular Spheroid Culture. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2300636. [PMID: 36908012 DOI: 10.1002/adma.202300636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/27/2023] [Indexed: 06/16/2023]
Abstract
Coacervation driven liquid-liquid phase separation of biopolymers has aroused considerable attention for diverse applications, especially for the construction of microstructured polymeric materials. Herein, a coacervate-to-hydrogel transition strategy is developed to create macroporous hydrogels (MPH), which are formed via the coacervation process of supramolecular assemblies (SA) built by the host-guest complexation between γ-cyclodextrin and anthracene dimer. The weak and reversible supramolecular crosslinks endow the SA with liquid-like rheological properties, which facilitate the formation of SA-derived macroporous coacervates and the subsequent transition to MPH (pore size ≈ 100 µm). The excellent structural dynamics (derived from SA) and the cytocompatible void-forming process of MPH can better accommodate the dramatic volumetric expansion associated with colony growth of encapsulated multicellular spheroids compared with the non-porous static hydrogel with similar initial mechanical properties. The findings of this work not only provide valuable guidance to the design of biomaterials with self-evolving structures but also present a promising strategy for 3D multicellular spheroid culture and other diverse biomedical applications.
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Affiliation(s)
- Xuefeng Yang
- Anhui Key Laboratory of Modern Biomanufacturing, School of Life Sciences, Anhui University, Hefei, 230601, P. R. China
| | - Boguang Yang
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, P. R. China
| | - Yingrui Deng
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, P. R. China
| | - Xian Xie
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, P. R. China
| | - Yanwei Qi
- Anhui Key Laboratory of Modern Biomanufacturing, School of Life Sciences, Anhui University, Hefei, 230601, P. R. China
| | - Guoqing Yan
- Anhui Key Laboratory of Modern Biomanufacturing, School of Life Sciences, Anhui University, Hefei, 230601, P. R. China
| | - Xin Peng
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, 999077, P. R. China
| | - Pengchao Zhao
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, P. R. China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, P. R. China
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510006, P. R. China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, P. R. China
| | - Liming Bian
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou, 511442, P. R. China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, P. R. China
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou, 510006, P. R. China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou, 510006, P. R. China
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15
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Li X, Liu Y, Li L, Huo R, Ghezelbash F, Ma Z, Bao G, Liu S, Yang Z, Weber MH, Li-Jessen NYK, Haglund L, Li J. Tissue-mimetic hybrid bioadhesives for intervertebral disc repair. MATERIALS HORIZONS 2023; 10:1705-1718. [PMID: 36857679 DOI: 10.1039/d2mh01242a] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Intervertebral disc (IVD) degeneration and herniation often necessitate surgical interventions including a discectomy with or without a nucleotomy, which results in a loss of the normal nucleus pulposus (NP) and a defect in the annulus fibrosus (AF). Due to the limited regenerative capacity of the IVD tissue, the annular tear may remain a persistent defect and result in recurrent herniation post-surgery. Bioadhesives are promising alternatives but show limited adhesion performance, low regenerative capacity, and inability to prevent re-herniation. Here, we report hybrid bioadhesives that combine an injectable glue and a tough sealant to simultaneously repair and regenerate IVD post-nucleotomy. The glue fills the NP cavity while the sealant seals the AF defect. Strong adhesion occurs with the IVD tissues and survives extreme disc loading. Furthermore, the glue can match native NP mechanically, and support the viability and matrix deposition of encapsulated cells, serving as a suitable cell delivery vehicle to promote NP regeneration. Besides, biomechanical tests with bovine IVD motion segments demonstrate the capacity of the hybrid bioadhesives to restore the biomechanics of bovine discs under cyclic loading and to prevent permanent herniation under extreme loading. This work highlights the synergy of bioadhesive and tissue-engineering approaches. Future works are expected to further improve the tissue specificity of bioadhesives and prove their efficacy for tissue repair and regeneration.
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Affiliation(s)
- Xuan Li
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke St W, Montreal, QC H3A 0C3, Canada.
| | - Yin Liu
- Department of Biomedical Engineering, McGill University, 3775 rue University, Montreal, Quebec H3A 2B4, Canada
| | - Li Li
- Department of Surgery, McGill University, 1650 Cedar Avenue, Room C10.148.2, Montreal, QC, H3G 1A4, Canada.
| | - Ran Huo
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke St W, Montreal, QC H3A 0C3, Canada.
| | - Farshid Ghezelbash
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke St W, Montreal, QC H3A 0C3, Canada.
- Department of Mechanical Engineering, Polytechnique Montreal, Montreal, Quebec H3C 3A7, Canada
| | - Zhenwei Ma
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke St W, Montreal, QC H3A 0C3, Canada.
| | - Guangyu Bao
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke St W, Montreal, QC H3A 0C3, Canada.
| | - Shiyu Liu
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke St W, Montreal, QC H3A 0C3, Canada.
| | - Zhen Yang
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke St W, Montreal, QC H3A 0C3, Canada.
| | - Michael H Weber
- Department of Surgery, McGill University, 1650 Cedar Avenue, Room C10.148.2, Montreal, QC, H3G 1A4, Canada.
| | - Nicole Y K Li-Jessen
- Department of Biomedical Engineering, McGill University, 3775 rue University, Montreal, Quebec H3A 2B4, Canada
- School of Communication Sciences and Disorders, McGill University, Montreal, Quebec H3A 1G1, Canada
- Department of Otolaryngology-Head & Neck Surgery, McGill University, Montreal, Quebec H3A 1G1, Canada
| | - Lisbet Haglund
- Department of Surgery, McGill University, 1650 Cedar Avenue, Room C10.148.2, Montreal, QC, H3G 1A4, Canada.
| | - Jianyu Li
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke St W, Montreal, QC H3A 0C3, Canada.
- Department of Biomedical Engineering, McGill University, 3775 rue University, Montreal, Quebec H3A 2B4, Canada
- Department of Surgery, McGill University, 1650 Cedar Avenue, Room C10.148.2, Montreal, QC, H3G 1A4, Canada.
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16
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Flores-Torres S, Jiang T, Kort-Mascort J, Yang Y, Peza-Chavez O, Pal S, Mainolfi A, Pardo LA, Ferri L, Bertos N, Sangwan V, Kinsella JM. Constructing 3D In Vitro Models of Heterocellular Solid Tumors and Stromal Tissues Using Extrusion-Based Bioprinting. ACS Biomater Sci Eng 2023; 9:542-561. [PMID: 36598339 DOI: 10.1021/acsbiomaterials.2c00998] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Malignant tumor tissues exhibit inter- and intratumoral heterogeneities, aberrant development, dynamic stromal composition, diverse tissue phenotypes, and cell populations growing within localized mechanical stresses in hypoxic conditions. Experimental tumor models employing engineered systems that isolate and study these complex variables using in vitro techniques are under development as complementary methods to preclinical in vivo models. Here, advances in extrusion bioprinting as an enabling technology to recreate the three-dimensional tumor milieu and its complex heterogeneous characteristics are reviewed. Extrusion bioprinting allows for the deposition of multiple materials, or selected cell types and concentrations, into models based upon physiological features of the tumor. This affords the creation of complex samples with representative extracellular or stromal compositions that replicate the biology of patient tissue. Biomaterial engineering of printable materials that replicate specific features of the tumor microenvironment offer experimental reproducibility, throughput, and physiological relevance compared to animal models. In this review, we describe the potential of extrusion-based bioprinting to recreate the tumor microenvironment within in vitro models.
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Affiliation(s)
| | - Tao Jiang
- Department of Intelligent Machinery and Instrument, College of Intelligence Science and Technology, National University of Defense Technology Changsha, Hunan 410073, China
| | | | - Yun Yang
- Department of Intelligent Machinery and Instrument, College of Intelligence Science and Technology, National University of Defense Technology Changsha, Hunan 410073, China
| | - Omar Peza-Chavez
- Department of Bioengineering, McGill University, Montreal, Quebec H3A 0G4, Canada
| | - Sanjima Pal
- Department of Surgery, McGill University, Montreal, Quebec H3G 2M1, Canada
| | - Alisia Mainolfi
- Department of Bioengineering, McGill University, Montreal, Quebec H3A 0G4, Canada
| | - Lucas Antonio Pardo
- Department of Bioengineering, McGill University, Montreal, Quebec H3A 0G4, Canada
| | - Lorenzo Ferri
- Department of Surgery, McGill University, Montreal, Quebec H3G 2M1, Canada.,Department of Medicine, McGill University, Montreal, Quebec H3G 2M1, Canada
| | - Nicholas Bertos
- Research Institute of the McGill University Health Centre (RI-MUHC), Montreal, Quebec H4A 3J1, Canada
| | - Veena Sangwan
- Department of Surgery, McGill University, Montreal, Quebec H3G 2M1, Canada
| | - Joseph M Kinsella
- Department of Bioengineering, McGill University, Montreal, Quebec H3A 0G4, Canada
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17
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Mohammadrezaei D, Moghimi N, Vandvajdi S, Powathil G, Hamis S, Kohandel M. Predicting and elucidating the post-printing behavior of 3D printed cancer cells in hydrogel structures by integrating in-vitro and in-silico experiments. Sci Rep 2023; 13:1211. [PMID: 36681762 PMCID: PMC9867702 DOI: 10.1038/s41598-023-28286-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Accepted: 01/16/2023] [Indexed: 01/22/2023] Open
Abstract
A key feature distinguishing 3D bioprinting from other 3D cell culture techniques is its precise control over created structures. This property allows for the high-resolution fabrication of biomimetic structures with controlled structural and mechanical properties such as porosity, permeability, and stiffness. However, analyzing post-printing cellular dynamics and optimizing their functions within the 3D fabricated environment is only possible through trial and error and replicating several experiments. This issue motivated the development of a cellular automata model for the first time to simulate post-printing cell behaviour within the 3D bioprinted construct. To improve our model, we bioprinted a 3D construct using MDA-MB-231 cell-laden hydrogel and evaluated cellular functions, including viability and proliferation in 11 days. The results showed that our model successfully simulated the 3D bioprinted structure and captured in-vitro observations. We demonstrated that in-silico model could predict and elucidate post-printing biological functions for different initial cell numbers in bioink and different bioink formulations with gelatine and alginate, without replicating several costly and time-consuming in-vitro measurements. We believe such a computational framework will substantially impact 3D bioprinting's future application. We hope this study inspires researchers to further realize how an in-silico model might be utilized to advance in-vitro 3D bioprinting research.
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Affiliation(s)
- Dorsa Mohammadrezaei
- Department of Applied Mathematics, University of Waterloo, 200 University Ave West, Waterloo, ON, N2L 3G1, Canada.
| | - Nafiseh Moghimi
- Department of Applied Mathematics, University of Waterloo, 200 University Ave West, Waterloo, ON, N2L 3G1, Canada
| | - Shadi Vandvajdi
- Department of Applied Mathematics, University of Waterloo, 200 University Ave West, Waterloo, ON, N2L 3G1, Canada
| | - Gibin Powathil
- Department of Mathematics, Faculty of Science and Engineering, Swansea University, Swansea, UK
| | - Sara Hamis
- School of Mathematics and Statistics, University of St Andrews, St Andrews, UK
| | - Mohammad Kohandel
- Department of Applied Mathematics, University of Waterloo, 200 University Ave West, Waterloo, ON, N2L 3G1, Canada
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18
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Koo Y, Kim GH. Bioprinted hASC-laden collagen/HA constructs with meringue-like macro/micropores. Bioeng Transl Med 2022; 7:e10330. [PMID: 36176624 PMCID: PMC9472008 DOI: 10.1002/btm2.10330] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 03/11/2022] [Accepted: 04/04/2022] [Indexed: 11/18/2022] Open
Abstract
Extrusion-based bioprinting is one of the most effective methods for fabricating cell-laden mesh structures. However, insufficient cellular activities within the printed cylindrical cell-matrix blocks, inducing low cell-to-cell interactions due to the disturbance of the matrix hydrogel, remain to be addressed. Hence, various sacrificial materials or void-forming methods have been used; however, most of them cannot solve the problem completely or require complicated fabricating procedures. Herein, we suggest a bioprinted cell-laden collagen/hydroxyapatite (HA) construct comprising meringue-like porous cell-laden structures to enhance osteogenic activity. A porous bioink is generated using a culinary process, i.e., the whipping method, and the whipping conditions, such as the material concentration, time, and speed, are selected appropriately. The constructs fabricated using the meringue-like bioink with MG63 cells and human adipose stem cells exhibit outstanding metabolic and osteogenic activities owing to the synergistic effects of the efficient cell-to-cell interactions and HA stimulation released from the porous structure. The in vitro cellular responses indicate that the meringue-like collagen bioink for achieving an extremely porous cell-laden construct can be a highly promising cell-laden material for various tissue regeneration applications.
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Affiliation(s)
- YoungWon Koo
- Department of Biomechatronic Engineering, College of Biotechnology and BioengineeringSungkyunkwan University (SKKU)SuwonRepublic of Korea
| | - Geun Hyung Kim
- Department of Biomechatronic Engineering, College of Biotechnology and BioengineeringSungkyunkwan University (SKKU)SuwonRepublic of Korea
- Biomedical Institute for Convergence at SKKU (BICS)Sungkyunkwan UniversitySuwonRepublic of Korea
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19
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Tan Q, Le H, Tang C, Zhang M, Yang W, Hong Y, Wang X. Tailor-made natural and synthetic grafts for precise urethral reconstruction. J Nanobiotechnology 2022; 20:392. [PMID: 36045428 PMCID: PMC9429763 DOI: 10.1186/s12951-022-01599-z] [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: 02/07/2022] [Accepted: 08/13/2022] [Indexed: 11/10/2022] Open
Abstract
Injuries to the urethra can be caused by malformations, trauma, inflammation, or carcinoma, and reconstruction of the injured urethra is still a significant challenge in clinical urology. Implanting grafts for urethroplasty and end-to-end anastomosis are typical clinical interventions for urethral injury. However, complications and high recurrence rates remain unsatisfactory. To address this, urethral tissue engineering provides a promising modality for urethral repair. Additionally, developing tailor-made biomimetic natural and synthetic grafts is of great significance for urethral reconstruction. In this work, tailor-made biomimetic natural and synthetic grafts are divided into scaffold-free and scaffolded grafts according to their structures, and the influence of different graft structures on urethral reconstruction is discussed. In addition, future development and potential clinical application strategies of future urethral reconstruction grafts are predicted.
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Affiliation(s)
- Qinyuan Tan
- Department of Urology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, People's Republic Of China
| | - Hanxiang Le
- Department of Orthopedics, The Second Hospital of Jilin University, 218 Ziqiang Street, Changchun, 130041, People's Republic Of China
| | - Chao Tang
- Department of Urology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, People's Republic Of China
| | - Ming Zhang
- Department of Urology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, People's Republic Of China
| | - Weijie Yang
- Department of Urology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, People's Republic Of China
| | - Yazhao Hong
- Department of Pediatric Surgery, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Street, Nanjing, 210029, People's Republic Of China.
| | - Xiaoqing Wang
- Department of Urology, The First Hospital of Jilin University, 1 Xinmin Street, Changchun, 130061, People's Republic Of China.
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20
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Bao G, Gao Q, Cau M, Ali-Mohamad N, Strong M, Jiang S, Yang Z, Valiei A, Ma Z, Amabili M, Gao ZH, Mongeau L, Kastrup C, Li J. Liquid-infused microstructured bioadhesives halt non-compressible hemorrhage. Nat Commun 2022; 13:5035. [PMID: 36028516 PMCID: PMC9418157 DOI: 10.1038/s41467-022-32803-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 08/17/2022] [Indexed: 11/30/2022] Open
Abstract
Non-compressible hemorrhage is an unmet clinical challenge that accounts for high mortality in trauma. Rapid pressurized blood flows under hemorrhage impair the function and integrity of hemostatic agents and the adhesion of bioadhesive sealants. Here, we report the design and performance of bioinspired microstructured bioadhesives, formed with a macroporous tough xerogel infused with functional liquids. The xerogel can rapidly absorb interfacial fluids such as whole blood and promote blood clotting, while the infused liquids facilitate interfacial bonding, sealing, and antibacterial function. Their synergy enables the bioadhesives to form tough adhesion on ex vivo human and porcine tissues and diverse engineered surfaces without the need for compression, as well as on-demand instant removal and storage stability. We demonstrate a significantly improved hemostatic efficacy and biocompatibility in rats and pigs compared to non-structured counterparts and commercial products. This work opens new avenues for the development of bioadhesives and hemostatic sealants.
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Affiliation(s)
- Guangyu Bao
- Department of Mechanical Engineering, McGill University, Montreal, QC, Canada
| | - Qiman Gao
- Department of Mechanical Engineering, McGill University, Montreal, QC, Canada
- Faculty of Dentistry, McGill University, Montreal, QC, Canada
| | - Massimo Cau
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC, Canada
| | - Nabil Ali-Mohamad
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC, Canada
| | - Mitchell Strong
- Department of Mechanical Engineering, McGill University, Montreal, QC, Canada
| | - Shuaibing Jiang
- Department of Mechanical Engineering, McGill University, Montreal, QC, Canada
| | - Zhen Yang
- Department of Mechanical Engineering, McGill University, Montreal, QC, Canada
| | - Amin Valiei
- Department of Chemical Engineering, McGill University, Montreal, QC, Canada
| | - Zhenwei Ma
- Department of Mechanical Engineering, McGill University, Montreal, QC, Canada
| | - Marco Amabili
- Department of Mechanical Engineering, McGill University, Montreal, QC, Canada
| | - Zu-Hua Gao
- Department of Pathology & Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Luc Mongeau
- Department of Mechanical Engineering, McGill University, Montreal, QC, Canada
| | - Christian Kastrup
- Michael Smith Laboratories, University of British Columbia, Vancouver, BC, Canada.
- Blood Research Institute, Versiti, Milwaukee, WI, USA.
- Department of Surgery, Division of Trauma and Acute Care Surgery, Medical College of Wisconsin, Milwaukee, WI, USA.
- Department of Biochemistry, Medical College of Wisconsin, Milwaukee, WI, USA.
- Department of Biomedical Engineering, Medical College of Wisconsin, Milwaukee, WI, USA.
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, WI, USA.
| | - Jianyu Li
- Department of Mechanical Engineering, McGill University, Montreal, QC, Canada.
- Department of Biomedical Engineering, McGill University, Montreal, QC, Canada.
- Department of Surgery, McGill University, Montreal, QC, Canada.
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21
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Akulo KA, Adali T, Moyo MTG, Bodamyali T. Intravitreal Injectable Hydrogels for Sustained Drug Delivery in Glaucoma Treatment and Therapy. Polymers (Basel) 2022; 14:polym14122359. [PMID: 35745935 PMCID: PMC9230531 DOI: 10.3390/polym14122359] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 05/30/2022] [Accepted: 06/02/2022] [Indexed: 12/11/2022] Open
Abstract
Glaucoma is extensively treated with topical eye drops containing drugs. However, the retention time of the loaded drugs and the in vivo bioavailability of the drugs are highly influenced before reaching the targeted area sufficiently, due to physiological and anatomical barriers of the eye, such as rapid nasolacrimal drainage. Poor intraocular penetration and frequent administration may also cause ocular cytotoxicity. A novel approach to overcome these drawbacks is the use of injectable hydrogels administered intravitreously for sustained drug delivery to the target site. These injectable hydrogels are used as nanocarriers to intimately interact with specific diseased ocular tissues to increase the therapeutic efficacy and drug bioavailability of the anti-glaucomic drugs. The human eye is very delicate, and is sensitive to contact with any foreign body material. However, natural biopolymers are non-reactive, biocompatible, biodegradable, and lack immunogenic and inflammatory responses to the host whenever they are incorporated in drug delivery systems. These favorable biomaterial properties have made them widely applicable in biomedical applications, with minimal adversity. This review highlights the importance of using natural biopolymer-based intravitreal hydrogel drug delivery systems for glaucoma treatment over conventional methods.
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Affiliation(s)
- Kassahun Alula Akulo
- Department of Biomedical Engineering, Faculty of Engineering, Near East University, Mersin 10, Lefkoşa 99138, Turkey; (K.A.A.); (M.T.G.M.)
- Tissue Engineering and Biomaterials Research Center, Near East University, Mersin 10, Lefkoşa 99138, Turkey
| | - Terin Adali
- Department of Biomedical Engineering, Faculty of Engineering, Near East University, Mersin 10, Lefkoşa 99138, Turkey; (K.A.A.); (M.T.G.M.)
- Tissue Engineering and Biomaterials Research Center, Near East University, Mersin 10, Lefkoşa 99138, Turkey
- Nanotechnology Research Center, Sabanci University SUNUM, Istanbul 34956, Turkey
- Correspondence:
| | - Mthabisi Talent George Moyo
- Department of Biomedical Engineering, Faculty of Engineering, Near East University, Mersin 10, Lefkoşa 99138, Turkey; (K.A.A.); (M.T.G.M.)
- Tissue Engineering and Biomaterials Research Center, Near East University, Mersin 10, Lefkoşa 99138, Turkey
| | - Tulin Bodamyali
- Department of Pathology, Faculty of Medicine, Girne American University, Mersin 10, Girne 99428, Turkey;
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22
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Mohammadi S, Ravanbakhsh H, Taheri S, Bao G, Mongeau L. Immunomodulatory Microgels Support Proregenerative Macrophage Activation and Attenuate Fibroblast Collagen Synthesis. Adv Healthc Mater 2022; 11:e2102366. [PMID: 35122412 DOI: 10.1002/adhm.202102366] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 01/28/2022] [Indexed: 11/05/2022]
Abstract
Scars composed of fibrous connective tissues are natural consequences of injury upon incisional wound healing in soft tissues. Hydrogels that feature a sustained presentation of immunomodulatory cytokines are known to modulate wound healing. However, existing immunomodulatory hydrogels lack interconnected micropores to promote cell ingrowth. Other limitations include invasive delivery procedures and harsh synthesis conditions that are incompatible with drug molecules. Here, hybrid nanocomposite microgels containing interleukin-10 (IL-10) are reported to modulate tissue macrophage phenotype during wound healing. The intercalation of laponite nanoparticles in the polymer network yields microgels with tissue-mimetic elasticity (Young's modulus in the range of 2-6 kPa) and allows the sustained release of IL-10 to promote the differentiation of macrophages toward proregenerative phenotypes. The porous interstitial spaces between microgels promote fibroblast proliferation and fast trafficking (an average speed of ≈14.4 µm h-1 ). The incorporation of hyaluronic acid further enhances macrophage infiltration. The coculture of macrophages and fibroblasts treated with transforming growth factor-beta 1 resulted in a twofold reduction in collagen-I production for microgels releasing IL-10 compared to the IL-10 free group. The new microgels show potential toward regenerative healing by harnessing the antifibrotic behavior of host macrophages.
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Affiliation(s)
- Sepideh Mohammadi
- Department of Mechanical Engineering McGill University Montreal QC H3A 0C3 Canada
| | - Hossein Ravanbakhsh
- Department of Mechanical Engineering McGill University Montreal QC H3A 0C3 Canada
| | - Sareh Taheri
- Department of Mechanical Engineering McGill University Montreal QC H3A 0C3 Canada
| | - Guangyu Bao
- Department of Mechanical Engineering McGill University Montreal QC H3A 0C3 Canada
| | - Luc Mongeau
- Department of Mechanical Engineering McGill University Montreal QC H3A 0C3 Canada
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23
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Wu DT, Jeffreys N, Diba M, Mooney DJ. Viscoelastic Biomaterials for Tissue Regeneration. Tissue Eng Part C Methods 2022; 28:289-300. [PMID: 35442107 PMCID: PMC9347380 DOI: 10.1089/ten.tec.2022.0040] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
The extracellular matrix (ECM) mechanical properties regulate key cellular processes in tissue development and regeneration. The majority of scientific investigation has focused on ECM elasticity as the primary mechanical regulator of cell and tissue behavior. However, all living tissues are viscoelastic, exhibiting both solid- and liquid-like mechanical behavior. Despite increasing evidence regarding the role of ECM viscoelasticity in directing cellular behavior, this aspect is still largely overlooked in the design of biomaterials for tissue regeneration. Recently, with the emergence of various bottom-up material design strategies, new approaches can deliver unprecedented control over biomaterial properties at multiple length scales, thus enabling the design of viscoelastic biomaterials that mimic various aspect of the native tissue ECM microenvironment. This review describes key considerations for the design of viscoelastic biomaterials for tissue regeneration. We provide an overview of the role of matrix viscoelasticity in directing cell behavior towards regenerative outcomes, highlight recent strategies utilizing viscoelastic hydrogels for regenerative therapies, and outline remaining challenges, potential solutions, and emerging applications for viscoelastic biomaterials in tissue engineering and regenerative medicine.
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Affiliation(s)
- David Tiansui Wu
- Harvard University John A Paulson School of Engineering and Applied Sciences, 124077, Cambridge, Massachusetts, United States.,Harvard University Wyss Institute for Biologically Inspired Engineering, 465574, Boston, Massachusetts, United States.,Harvard School of Dental Medicine, 124048, Oral Medicine, Infection, and Immunity, Boston, Massachusetts, United States;
| | - Nicholas Jeffreys
- Harvard University John A Paulson School of Engineering and Applied Sciences, 124077, Cambridge, Massachusetts, United States.,Harvard University Wyss Institute for Biologically Inspired Engineering, 465574, Boston, Massachusetts, United States;
| | - Mani Diba
- Harvard University John A Paulson School of Engineering and Applied Sciences, 124077, Cambridge, Massachusetts, United States;
| | - David J Mooney
- Harvard University John A Paulson School of Engineering and Applied Sciences, 124077, Cambridge, Massachusetts, United States.,Harvard University Wyss Institute for Biologically Inspired Engineering, 465574, Boston, Massachusetts, United States;
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24
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Ghelich P, Kazemzadeh-Narbat M, Najafabadi AH, Samandari M, Memic A, Tamayol A. (Bio)manufactured Solutions for Treatment of Bone Defects with Emphasis on US-FDA Regulatory Science Perspective. ADVANCED NANOBIOMED RESEARCH 2022; 2:2100073. [PMID: 35935166 PMCID: PMC9355310 DOI: 10.1002/anbr.202100073] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Bone defects, with second highest demand for surgeries around the globe, may lead to serious health issues and negatively influence patient lives. The advances in biomedical engineering and sciences have led to the development of several creative solutions for bone defect treatment. This review provides a brief summary of bone graft materials, an organized overview of top-down and bottom-up (bio)manufacturing approaches, plus a critical comparison between advantages and limitations of each method. We specifically discuss additive manufacturing techniques and their operation mechanisms in detail. Next, we review the hybrid methods and promising future directions for bone grafting, while giving a comprehensive US-FDA regulatory science perspective, biocompatibility concepts and assessments, and clinical considerations to translate a technology from a research laboratory to the market. The topics covered in this review could potentially fuel future research efforts in bone tissue engineering, and perhaps could also provide novel insights for other tissue engineering applications.
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Affiliation(s)
- Pejman Ghelich
- Department of Biomedical Engineering, University of Connecticut, Farmington, Connecticut, 06030, USA
| | | | | | - Mohamadmahdi Samandari
- Department of Biomedical Engineering, University of Connecticut, Farmington, Connecticut, 06030, USA
| | - Adnan Memic
- Center of Nanotechnology, King Abdulaziz University, Jeddah, 21589 Saudi Arabia
| | - Ali Tamayol
- Department of Biomedical Engineering, University of Connecticut, Farmington, Connecticut, 06030, USA
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25
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Tri-Layered Vascular Grafts Guide Vascular Cells’ Native-like Arrangement. Polymers (Basel) 2022; 14:polym14071370. [PMID: 35406244 PMCID: PMC9003212 DOI: 10.3390/polym14071370] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/20/2022] [Accepted: 03/22/2022] [Indexed: 01/27/2023] Open
Abstract
Bionic grafts hold great promise for directing tissue regeneration. In vascular tissue engineering, although a large number of synthetic grafts have been constructed, these substitutes only partially recapitulated the tri-layered structure of native arteries. Synthetic polymers such as poly(l-lactide-co-ε-caprolactone) (PLCL) possess good biocompatibility, controllable degradation, remarkable processability, and sufficient mechanical strength. These properties of PLCL show great promise for fabricating synthetic vascular substitutes. Here, tri-layered PLCL vascular grafts (TVGs) composed of a smooth inner layer, circumferentially aligned fibrous middle layer, and randomly distributed fibrous outer layer were prepared by sequentially using ink printing, wet spinning, and electrospinning techniques. TVGs possessed kink resistance and sufficient mechanical properties (tensile strength, elastic modulus, suture retention strength, and burst pressure) equivalent to the gold standard conduits of clinical application, i.e., human saphenous veins and human internal mammary arteries. The stratified structure of TVGs exhibited a visible guiding effect on specific vascular cells including enhancing endothelial cell (EC) monolayer formation, favoring vascular smooth muscle cells’ (VSMCs) arrangement and elongation, and facilitating fibroblasts’ proliferation and junction establishment. Our research provides a new avenue for designing synthetic vascular grafts with polymers.
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26
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Qin XS, Wang M, Li W, Zhang YS. Biosurfactant-Stabilized Micropore-Forming GelMA Inks Enable Improved Usability for 3D Printing Applications. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2022. [DOI: 10.1007/s40883-022-00250-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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27
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Zeng X, Meng Z, He J, Mao M, Li X, Chen P, Fan J, Li D. Embedded bioprinting for designer 3D tissue constructs with complex structural organization. Acta Biomater 2022; 140:1-22. [PMID: 34875360 DOI: 10.1016/j.actbio.2021.11.048] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/25/2021] [Accepted: 11/30/2021] [Indexed: 01/12/2023]
Abstract
3D bioprinting has been developed as an effective and powerful technique for the fabrication of living tissue constructs in a well-controlled manner. However, most existing 3D bioprinting strategies face substantial challenges in replicating delicate and intricate tissue-specific structural organizations using mechanically weak biomaterials such as hydrogels. Embedded bioprinting is an emerging bioprinting strategy that can directly fabricate complex structures derived from soft biomaterials within a supporting matrix, which shows great promise in printing large vascularized tissues and organs. Here, we provide a state-of-the-art review on the development of embedded bioprinting including extrusion-based and light-based processes to manufacture complex tissue constructs with biomimetic architectures. The working principles, bioinks, and supporting matrices of embedded printing processes are introduced. The effect of key processing parameters on the printing resolution, shape fidelity, and biological functions of the printed tissue constructs are discussed. Recent innovations in the processes and applications of embedded bioprinting are highlighted, such as light-based volumetric bioprinting and printing of functional vascularized organ constructs. Challenges and future perspectives with regard to translating embedded bioprinting into an effective strategy for the fabrication of functional biological constructs with biomimetic structural organizations are finally discussed. STATEMENT OF SIGNIFICANCE: It is still challenging to replicate delicate and intricate tissue-specific structural organizations using mechanically-weak hydrogels for the fabrication of functional living tissue constructs. Embedded bioprinting is an emerging 3D printing strategy that enables to produce complex tissue structures directly inside a reservoir filled with supporting matrix, which largely widens the choice of bioprinting inks to ECM-like hydrogels. Here we aim to provide a comprehensive review on various embedded bioprinting techniques mainly including extrusion-based and light-based processes. Various bioinks, supporting matrices, key processing parameters as well as their effects on the structures and biological functions of resultant living tissue constructs are discussed. We expect that it can provide an important reference and generate new insights for the bioprinting of large vascularized tissues and organs with biological functions.
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28
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Zhou K, Sun Y, Yang J, Mao H, Gu Z. Hydrogels for 3D embedded bioprinting: a focused review on bioinks and support baths. J Mater Chem B 2022; 10:1897-1907. [PMID: 35212327 DOI: 10.1039/d1tb02554f] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Three-dimensional (3D) bioprinting has played an increasingly crucial role in the manufacturing of organized complex tissues and organs, which has shown tremendous potential in the field of tissue engineering. Extrusion-based bioprinting takes advantage of its competitive pricing and flexibility to print various biomaterials, and it has now developed into one of the most used printing techniques. However, extruding soft hydrogels, also known as bioinks, often leads to poor fidelity when printed in air. As an emerging printing approach, 3D embedded bioprinting deposits bioinks not on a platform but into a support bath, preventing constructs from settling and collapsing. This review discusses the challenges faced in the traditional 3D bioprinting of soft or low-viscosity bioinks and the changes brought by embedded bioprinting as an emerging solution. Particular focus is given to the progress of hydrogels used as bioinks and support baths. Finally, we highlight the challenges involved in this process and look forward to the prospects of this technology.
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Affiliation(s)
- Ke Zhou
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Yadong Sun
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Jiquan Yang
- Jiangsu Key Lab of 3D Printing Equipment and Manufacturing, Nanjing Normal University, Nanjing, 210046, China
| | - Hongli Mao
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Zhongwei Gu
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China.
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29
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Tao J, Zhu S, Zhou N, Wang Y, Wan H, Zhang L, Tang Y, Pan Y, Yang Y, Zhang J, Liu R. Nanoparticle-Stabilized Emulsion Bioink for Digital Light Processing Based 3D Bioprinting of Porous Tissue Constructs. Adv Healthc Mater 2022; 11:e2102810. [PMID: 35194975 DOI: 10.1002/adhm.202102810] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/17/2022] [Indexed: 01/24/2023]
Abstract
A challenge for bioprinting tissue constructs is enabling the viability and functionality of encapsulated cells. Rationally designed bioink that can create appropriate biophysical cues shows great promise for overcoming such challenges. Here, a nanoparticle-stabilized emulsion bioink for direct fabrication of porous tissue constructs by digital light processing based 3D bioprinting technology is introduced. The emulsion bioink is integrated by the mixture of aqueous dextran microdroplets and gelatin methacryloyl solution and is further rendered stable by β-lactoglobulin nanoparticles. After bioprinting, the printed tissue constructs create the macroporous structure via removal of dextran, thereby providing favorable biophysical cues to promote the viability, proliferation, and spreading of the encapsulated cells. Moreover, a trachea-shaped construct containing chondrocytes is bioprinted and implanted in vivo. The results demonstrate that the generated macroporous construct is of benefit to cartilage tissue rebuilding. This work offers an advanced bioink for the fabrication of living tissue constructs by activating the cell behaviors and functions in situ and can lead to the development of 3D bioprinting.
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Affiliation(s)
- Jie Tao
- Department of Stomatology Daping Hospital Army Medical University (The Third Military Medical University) Chongqing 400042 China
| | - Shunyao Zhu
- Department of Stomatology Daping Hospital Army Medical University (The Third Military Medical University) Chongqing 400042 China
| | - Nazi Zhou
- Department of Stomatology Daping Hospital Army Medical University (The Third Military Medical University) Chongqing 400042 China
| | - Yu Wang
- Department of Stomatology Daping Hospital Army Medical University (The Third Military Medical University) Chongqing 400042 China
| | - Haoyuan Wan
- Department of Stomatology Daping Hospital Army Medical University (The Third Military Medical University) Chongqing 400042 China
| | - Lin Zhang
- Department of Stomatology Daping Hospital Army Medical University (The Third Military Medical University) Chongqing 400042 China
| | - Yaping Tang
- Department of Stomatology Daping Hospital Army Medical University (The Third Military Medical University) Chongqing 400042 China
| | - Yingzi Pan
- Department of Stomatology Daping Hospital Army Medical University (The Third Military Medical University) Chongqing 400042 China
- Basic Medical College Army Medical University (The Third Military Medical University) Chongqing 400042 China
| | - Yang Yang
- Department of Stomatology Daping Hospital Army Medical University (The Third Military Medical University) Chongqing 400042 China
| | - Jianxiang Zhang
- Department of Pharmaceutics College of Pharmacy Army Medical University (The Third Military Medical University) Chongqing 400038 China
| | - Rui Liu
- Department of Stomatology Daping Hospital Army Medical University (The Third Military Medical University) Chongqing 400042 China
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30
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Ravanbakhsh H, Luo Z, Zhang X, Maharjan S, Mirkarimi HS, Tang G, Chávez-Madero C, Mongeau L, Zhang YS. Freeform Cell-Laden Cryobioprinting for Shelf-Ready Tissue Fabrication and Storage. MATTER 2022; 5:573-593. [PMID: 35695821 PMCID: PMC9173715 DOI: 10.1016/j.matt.2021.11.020] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
One significant drawback of existing bioprinted tissues is their lack of shelf-availability caused by complications in both fabrication and storage. Here, we report a cryobioprinting strategy for simultaneously fabricating and storing cell-laden volumetric tissue constructs through seamlessly combining extrusion bioprinting and cryopreservation. The cryobioprinting performance was investigated by designing, fabricating, and storing cell-laden constructs made of our optimized cryoprotective gelatin-based bioinks using a freezing plate with precisely controllable temperature. The in situ freezing process further promoted the printability of cell-laden hydrogel bioinks to achieve freeform structures otherwise inconvenient with direct extrusion bioprinting. The effects of bioink composition on printability and cell viability were evaluated. The functionality of the method was finally investigated using cell differentiation and chick ex ovo assays. The results confirmed the feasibility and efficacy of cryobioprinting as a single-step method for concurrent tissue biofabrication and storage.
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Affiliation(s)
- Hossein Ravanbakhsh
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
- Department of Mechanical Engineering, McGill University, Montreal, QC, H3A0C3, Canada
| | - Zeyu Luo
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
- Department of Orthopedics, West China Hospital/West China School of Medicine, Sichuan University, Chengdu, 610041, P.R. China
| | - Xiang Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
- School of Mechanics and Safety Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
- National Center for International Joint Research of Micro-Nano Molding Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Sushila Maharjan
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Hengameh S. Mirkarimi
- Department of Mechanical Engineering, École de technologie supérieure, Montreal, QC, H3C1K3, Canada
| | - Guosheng Tang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Carolina Chávez-Madero
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
- Departamento de Ingeniería Mecatrónica y Electrónica, Escuela de Ingeniería y Ciencias, Tecnologico de Monterrey, Monterrey 64849, NL, México
| | - Luc Mongeau
- Department of Mechanical Engineering, McGill University, Montreal, QC, H3A0C3, Canada
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Cambridge, MA 02139, USA
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31
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Coburn PT, Li X, Li JY, Kishimoto Y, Li-Jessen NY. Progress in Vocal Fold Regenerative Biomaterials: An Immunological Perspective. ADVANCED NANOBIOMED RESEARCH 2022; 2:2100119. [PMID: 35434718 PMCID: PMC9007544 DOI: 10.1002/anbr.202100119] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Vocal folds, housed in the upper respiratory tract, are important to daily breathing, speech and swallowing functions. Irreversible changes to the vocal fold mucosae, such as scarring and atrophy, require a regenerative medicine approach to promote a controlled regrowth of the extracellular matrix (ECM)-rich mucosa. Various biomaterial systems have been engineered with an emphasis on stimulating local vocal fold fibroblasts to produce new ECM. At the same time, it is imperative to limit the foreign body reaction and associated immune components that can hinder the integration of the biomaterial into the host tissue. Modern biomaterial designs have become increasingly focused on actively harnessing the immune system to accelerate and optimize the process of tissue regeneration. An array of physical and chemical biomaterial parameters have been reported to effectively modulate local immune cells, such as macrophages, to initiate tissue repair, stimulate ECM production, promote biomaterial-tissue integration, and restore the function of the vocal folds. In this perspective paper, the unique immunological profile of the vocal folds will first be reviewed. Key physical and chemical biomaterial properties relevant to immunomodulation will then be highlighted and discussed. A further examination of the physicochemical properties of recent vocal fold biomaterials will follow to generate deeper insights into corresponding immune-related outcomes. Lastly, a perspective will be offered on the opportunity of integrating material-led immunomodulatory strategies into future vocal fold tissue engineering therapies.
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Affiliation(s)
- Patrick T. Coburn
- School of Communication Sciences and Disorders, McGill University, Canada
| | - Xuan Li
- Department of Mechanical Engineering, McGill University, Canada
| | - Jianyu. Y. Li
- Department of Mechanical Engineering, McGill University, Canada
- Department of Biomedical Engineering, McGill University, Canada
| | - Yo Kishimoto
- Department of Otolaryngology – Head & Neck Surgery, Kyoto University, Kyoto, Japan
| | - Nicole Y.K. Li-Jessen
- School of Communication Sciences and Disorders, McGill University, Canada
- Department of Biomedical Engineering, McGill University, Canada
- Department of Otolaryngology – Head & Neck Surgery, McGill University, Canada
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32
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Taheri S, Bao G, He Z, Mohammadi S, Ravanbakhsh H, Lessard L, Li J, Mongeau L. Injectable, Pore-Forming, Perfusable Double-Network Hydrogels Resilient to Extreme Biomechanical Stimulations. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2102627. [PMID: 34811970 PMCID: PMC8805581 DOI: 10.1002/advs.202102627] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/26/2021] [Indexed: 06/13/2023]
Abstract
Biological tissues hinge on blood perfusion and mechanical toughness to function. Injectable hydrogels that possess both high permeability and toughness have profound impacts on regenerative medicine but remain a long-standing challenge. To address this issue, injectable, pore-forming double-network hydrogels are fabricated by orchestrating stepwise gelation and phase separation processes. The interconnected pores of the resulting hydrogels enable direct medium perfusion through organ-sized matrices. The hydrogels are amenable to cell encapsulation and delivery while promoting cell proliferation and spreading. They are also pore insensitive, tough, and fatigue resistant. When tested in biomimetic perfusion bioreactors, the hydrogels maintain physical integrity under prolonged, high-frequency biomechanical stimulations (>6000 000 cycles at 120 Hz). The excellent biomechanical performance suggests the great potential of the new injectable hydrogel technology for repairing mechanically dynamic tissues, such as vocal folds, and other applications, such as tissue engineering, biofabrication, organs-on-chips, drug delivery, and disease modeling.
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Affiliation(s)
- Sareh Taheri
- Department of Mechanical EngineeringMcGill UniversityMontrealQCH3A 0C3Canada
| | - Guangyu Bao
- Department of Mechanical EngineeringMcGill UniversityMontrealQCH3A 0C3Canada
| | - Zixin He
- Department of Mechanical EngineeringMcGill UniversityMontrealQCH3A 0C3Canada
| | - Sepideh Mohammadi
- Department of Mechanical EngineeringMcGill UniversityMontrealQCH3A 0C3Canada
| | - Hossein Ravanbakhsh
- Department of Mechanical EngineeringMcGill UniversityMontrealQCH3A 0C3Canada
| | - Larry Lessard
- Department of Mechanical EngineeringMcGill UniversityMontrealQCH3A 0C3Canada
| | - Jianyu Li
- Department of Mechanical EngineeringMcGill UniversityMontrealQCH3A 0C3Canada
- Department of Biomedical EngineeringMcGill UniversityMontrealQCH3A 2B4Canada
| | - Luc Mongeau
- Department of Mechanical EngineeringMcGill UniversityMontrealQCH3A 0C3Canada
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33
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Ravanbakhsh H, Karamzadeh V, Bao G, Mongeau L, Juncker D, Zhang YS. Emerging Technologies in Multi-Material Bioprinting. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2104730. [PMID: 34596923 PMCID: PMC8971140 DOI: 10.1002/adma.202104730] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 08/10/2021] [Indexed: 05/09/2023]
Abstract
Bioprinting, within the emerging field of biofabrication, aims at the fabrication of functional biomimetic constructs. Different 3D bioprinting techniques have been adapted to bioprint cell-laden bioinks. However, single-material bioprinting techniques oftentimes fail to reproduce the complex compositions and diversity of native tissues. Multi-material bioprinting as an emerging approach enables the fabrication of heterogeneous multi-cellular constructs that replicate their host microenvironments better than single-material approaches. Here, bioprinting modalities are reviewed, their being adapted to multi-material bioprinting is discussed, and their advantages and challenges, encompassing both custom-designed and commercially available technologies are analyzed. A perspective of how multi-material bioprinting opens up new opportunities for tissue engineering, tissue model engineering, therapeutics development, and personalized medicine is offered.
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Affiliation(s)
- Hossein Ravanbakhsh
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
- Department of Mechanical Engineering, McGill University, Montreal, QC, H3A0C3, Canada
| | - Vahid Karamzadeh
- Department of Biomedical Engineering, McGill University, Montreal, QC, H3A0G1, Canada
| | - Guangyu Bao
- Department of Mechanical Engineering, McGill University, Montreal, QC, H3A0C3, Canada
| | - Luc Mongeau
- Department of Mechanical Engineering, McGill University, Montreal, QC, H3A0C3, Canada
| | - David Juncker
- Department of Biomedical Engineering, McGill University, Montreal, QC, H3A0G1, Canada
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
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34
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Abstract
Skin-like electronics are developing rapidly to realize a variety of applications such as wearable sensing and soft robotics. Hydrogels, as soft biomaterials, have been studied intensively for skin-like electronic utilities due to their unique features such as softness, wetness, biocompatibility and ionic sensing capability. These features could potentially blur the gap between soft biological systems and hard artificial machines. However, the development of skin-like hydrogel devices is still in its infancy and faces challenges including limited functionality, low ambient stability, poor surface adhesion, and relatively high power consumption (as ionic sensors). This review aims to summarize current development of skin-inspired hydrogel devices to address these challenges. We first conduct an overview of hydrogels and existing strategies to increase their toughness and conductivity. Next, we describe current approaches to leverage hydrogel devices with advanced merits including anti-dehydration, anti-freezing, and adhesion. Thereafter, we highlight state-of-the-art skin-like hydrogel devices for applications including wearable electronics, soft robotics, and energy harvesting. Finally, we conclude and outline the future trends.
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Affiliation(s)
- Binbin Ying
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, ON M5S 3G8, Canada
- Department of Mechanical Engineering, McGill University, 817 Sherbrooke Street West, Montreal, QC H3A 0C3, Canada
| | - Xinyu Liu
- Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, ON M5S 3G8, Canada
- Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, ON M5S 3G9, Canada
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35
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Hua W, Mitchell K, Raymond L, Godina B, Zhao D, Zhou W, Jin Y. Fluid Bath-Assisted 3D Printing for Biomedical Applications: From Pre- to Postprinting Stages. ACS Biomater Sci Eng 2021; 7:4736-4756. [PMID: 34582176 DOI: 10.1021/acsbiomaterials.1c00910] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Fluid bath-assisted three-dimensional (3D) printing is an innovative 3D printing strategy that extrudes liquid ink materials into a fluid bath to form various 3D configurations. Since the support bath can provide in situ support, extruded filaments are able to freely construct complex 3D structures. Meanwhile, the supporting function of the fluid bath decreases the dependence of the ink material's cross-linkability, thus broadening the material selections for biomedical applications. Fluid bath-assisted 3D printing can be divided into two subcategories: embedded 3D printing and support bath-enabled 3D printing. This review will introduce and discuss three main manufacturing processes, or stages, for these two strategies. The stages that will be discussed include preprinting, printing, and postprinting. In the preprinting stage, representative fluid bath materials are introduced and the bath material preparation methods are also discussed. In addition, the design criteria of fluid bath materials including biocompatibility, rheological properties, physical/chemical stability, hydrophilicity/hydrophobicity, and other properties are proposed in order to guide the selection and design of future fluid bath materials. For the printing stage, some key technical issues discussed in this review include filament formation mechanisms in a fluid bath, effects of nozzle movement on printed structures, and design strategies for printing paths. In the postprinting stage, some commonly used postprinting processes are introduced. Finally, representative biomedical applications of fluid bath-assisted 3D printing, such as standalone organoids/tissues, biomedical microfluidic devices, and wearable and bionic devices, are summarized and presented.
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Affiliation(s)
- Weijian Hua
- Mechanical Engineering Department, University of Nevada, Reno, Reno, Nevada 89557, United States
| | - Kellen Mitchell
- Mechanical Engineering Department, University of Nevada, Reno, Reno, Nevada 89557, United States
| | - Lily Raymond
- Mechanical Engineering Department, University of Nevada, Reno, Reno, Nevada 89557, United States
| | - Beatriz Godina
- Mechanical Engineering Department, University of Nevada, Reno, Reno, Nevada 89557, United States
| | - Danyang Zhao
- School of Mechanical Engineering, Dalian University of Technology, Dalian, Liaoning 116024, China
| | - Wuyi Zhou
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, Guangzhou, Guangdong 510642, China.,Research Center of Biomass 3D Printing Materials, College of Materials and Energy, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Yifei Jin
- Mechanical Engineering Department, University of Nevada, Reno, Reno, Nevada 89557, United States
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36
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Parisi C, Qin K, Fernandes FM. Colonization versus encapsulation in cell-laden materials design: porosity and process biocompatibility determine cellularization pathways. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2021; 379:20200344. [PMID: 34334019 DOI: 10.1098/rsta.2020.0344] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/28/2021] [Indexed: 06/13/2023]
Abstract
Seeding materials with living cells has been-and still is-one of the most promising approaches to reproduce the complexity and the functionality of living matter. The strategies to associate living cells with materials are limited to cell encapsulation and colonization, however, the requirements for these two approaches have been seldom discussed systematically. Here we propose a simple two-dimensional map based on materials' pore size and the cytocompatibility of their fabrication process to draw, for the first time, a guide to building cellularized materials. We believe this approach may serve as a straightforward guideline to design new, more relevant materials, able to seize the complexity and the function of biological materials. This article is part of the theme issue 'Bio-derived and bioinspired sustainable advanced materials for emerging technologies (part 1)'.
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Affiliation(s)
- Cleo Parisi
- Laboratoire de Chimie de la Matière Condensée de Paris, Sorbonne Université, UMR7574, 4 Place Jussieu, 75005 Paris, France
| | - Kankan Qin
- Laboratoire de Chimie de la Matière Condensée de Paris, Sorbonne Université, UMR7574, 4 Place Jussieu, 75005 Paris, France
| | - Francisco M Fernandes
- Laboratoire de Chimie de la Matière Condensée de Paris, Sorbonne Université, UMR7574, 4 Place Jussieu, 75005 Paris, France
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37
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Ravanbakhsh H, Bao G, Luo Z, Mongeau LG, Zhang YS. Composite Inks for Extrusion Printing of Biological and Biomedical Constructs. ACS Biomater Sci Eng 2021; 7:4009-4026. [PMID: 34510905 DOI: 10.1021/acsbiomaterials.0c01158] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Extrusion-based three-dimensional (3D) printing is an emerging technology for the fabrication of complex structures with various biological and biomedical applications. The method is based on the layer-by-layer construction of the product using a printable ink. The material used as the ink should possess proper rheological properties and desirable performances. Composite materials, which are extensively used in 3D printing applications, can improve the printability and offer superior performances for the printed constructs. Herein, we review composite inks with a focus on composite hydrogels. The properties of different additives including fibers and nanoparticles are discussed. The performances of various composite inks in biological and biomedical systems are delineated through analyzing the synergistic effects between the composite ink components. Different applications, including tissue engineering, tissue model engineering, soft robotics, and four-dimensional printing, are selected to demonstrate how 3D-printable composite inks are exploited to achieve various desired functionality. This review finally presents an outlook of future perspectives on the design of composite inks.
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Affiliation(s)
- Hossein Ravanbakhsh
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, Massachusetts 02139, United States.,Department of Mechanical Engineering, McGill University, Montreal, QC H3A0C3, Canada
| | - Guangyu Bao
- Department of Mechanical Engineering, McGill University, Montreal, QC H3A0C3, Canada
| | - Zeyu Luo
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, Massachusetts 02139, United States.,Department of Orthopedics, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, Sichuan 610041, People's Republic of China
| | - Luc G Mongeau
- Department of Mechanical Engineering, McGill University, Montreal, QC H3A0C3, Canada
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, Massachusetts 02139, United States
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38
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Bao G, Huo R, Ma Z, Strong M, Valiei A, Jiang S, Liu S, Mongeau L, Li J. Ionotronic Tough Adhesives with Intrinsic Multifunctionality. ACS APPLIED MATERIALS & INTERFACES 2021; 13:37849-37861. [PMID: 34313124 DOI: 10.1021/acsami.1c09231] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Ionotronic hydrogels find wide applications in flexible electronics, wearable/implantable devices, soft robotics, and human-machine interfaces. Their performance and practical translation have been bottlenecked by poor adhesiveness, limited mechanical properties, and the lack of biological functions. The remedies are often associated with complex formulations and sophisticated processing. Here, we report a rational design and facile synthesis of ionotronic tough adhesives (i-TAs), which have excellent mechanical, physical, electrical, and biological properties and promise high scalability and translational potential. They consist of an interpenetrating network with high-density amine groups and highly mobile chains, which enable intrinsic adhesiveness, self-healing, ionic stability, cytocompatibility, and antimicrobial functions. The i-TAs in both pristine and swollen states possess high toughness, stretchability, and strong adhesion to diverse substrates such as tissues and elastomers. The superior mechanical performance is achieved simultaneously with high ionic conductivity and stability in electrolyte solutions. We further demonstrate the use of i-TAs as wearable devices, strain sensors, and sensory sealants. This work is expected to open avenues for new ionotronics with novel functions and stimulate the development and translation of ionotronics.
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Affiliation(s)
- Guangyu Bao
- Department of Mechanical Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Ran Huo
- Department of Mechanical Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Zhenwei Ma
- Department of Mechanical Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Mitchell Strong
- Department of Mechanical Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Amin Valiei
- Department of Chemical Engineering, McGill University, Montreal, Quebec H3A 0C5, Canada
| | - Shuaibing Jiang
- Department of Mechanical Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Shiyu Liu
- Department of Mechanical Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Luc Mongeau
- Department of Mechanical Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
| | - Jianyu Li
- Department of Mechanical Engineering, McGill University, Montreal, Quebec H3A 0C3, Canada
- Department of Biomedical Engineering, McGill University, Montreal, Quebec H3A 2B4, Canada
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39
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Zasońska BA, Brož A, Šlouf M, Hodan J, Petrovský E, Hlídková H, Horák D. Magnetic Superporous Poly(2-hydroxyethyl methacrylate) Hydrogel Scaffolds for Bone Tissue Engineering. Polymers (Basel) 2021; 13:1871. [PMID: 34199994 PMCID: PMC8200184 DOI: 10.3390/polym13111871] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 05/28/2021] [Accepted: 06/03/2021] [Indexed: 11/19/2022] Open
Abstract
Magnetic maghemite (γ-Fe2O3) nanoparticles obtained by a coprecipitation of iron chlorides were dispersed in superporous poly(2-hydroxyethyl methacrylate) scaffolds containing continuous pores prepared by the polymerization of 2-hydroxyethyl methacrylate (HEMA) and ethylene dimethacrylate (EDMA) in the presence of ammonium oxalate porogen. The scaffolds were thoroughly characterized by scanning electron microscopy (SEM), vibrating sample magnetometry, FTIR spectroscopy, and mechanical testing in terms of chemical composition, magnetization, and mechanical properties. While the SEM microscopy confirmed that the hydrogels contained communicating pores with a length of ≤2 mm and thickness of ≤400 μm, the SEM/EDX microanalysis documented the presence of γ-Fe2O3 nanoparticles in the polymer matrix. The saturation magnetization of the magnetic hydrogel reached 2.04 Am2/kg, which corresponded to 3.7 wt.% of maghemite in the scaffold; the shape of the hysteresis loop and coercivity parameters suggested the superparamagnetic nature of the hydrogel. The highest toughness and compressive modulus were observed with γ-Fe2O3-loaded PHEMA hydrogels. Finally, the cell seeding experiments with the human SAOS-2 cell line showed a rather mediocre cell colonization on the PHEMA-based hydrogel scaffolds; however, the incorporation of γ-Fe2O3 nanoparticles into the hydrogel improved the cell adhesion significantly. This could make this composite a promising material for bone tissue engineering.
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Affiliation(s)
- Beata A. Zasońska
- Institute of Macromolecular Chemistry CAS, Heyrovského nám. 2, 162 06 Prague 6, Czech Republic; (B.A.Z.); (M.Š.); (J.H.); (H.H.)
| | - Antonín Brož
- Institute of Physiology CAS, Vídeňská 1083, 142 20 Prague 4, Czech Republic;
| | - Miroslav Šlouf
- Institute of Macromolecular Chemistry CAS, Heyrovského nám. 2, 162 06 Prague 6, Czech Republic; (B.A.Z.); (M.Š.); (J.H.); (H.H.)
| | - Jiří Hodan
- Institute of Macromolecular Chemistry CAS, Heyrovského nám. 2, 162 06 Prague 6, Czech Republic; (B.A.Z.); (M.Š.); (J.H.); (H.H.)
| | - Eduard Petrovský
- Geophysical Institute CAS, Boční II 1401, 141 31 Prague 4, Czech Republic;
| | - Helena Hlídková
- Institute of Macromolecular Chemistry CAS, Heyrovského nám. 2, 162 06 Prague 6, Czech Republic; (B.A.Z.); (M.Š.); (J.H.); (H.H.)
| | - Daniel Horák
- Institute of Macromolecular Chemistry CAS, Heyrovského nám. 2, 162 06 Prague 6, Czech Republic; (B.A.Z.); (M.Š.); (J.H.); (H.H.)
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40
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Ma Z, Bao G, Li J. Multifaceted Design and Emerging Applications of Tissue Adhesives. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2007663. [PMID: 33956371 DOI: 10.1002/adma.202007663] [Citation(s) in RCA: 97] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/04/2020] [Indexed: 05/24/2023]
Abstract
Tissue adhesives can form appreciable adhesion with tissues and have found clinical use in a variety of medical settings such as wound closure, surgical sealants, regenerative medicine, and device attachment. The advantages of tissue adhesives include ease of implementation, rapid application, mitigation of tissue damage, and compatibility with minimally invasive procedures. The field of tissue adhesives is rapidly evolving, leading to tissue adhesives with superior mechanical properties and advanced functionality. Such adhesives enable new applications ranging from mobile health to cancer treatment. To provide guidelines for the rational design of tissue adhesives, here, existing strategies for tissue adhesives are synthesized into a multifaceted design, which comprises three design elements: the tissue, the adhesive surface, and the adhesive matrix. The mechanical, chemical, and biological considerations associated with each design element are reviewed. Throughout the report, the limitations of existing tissue adhesives and immediate opportunities for improvement are discussed. The recent progress of tissue adhesives in topical and implantable applications is highlighted, and then future directions toward next-generation tissue adhesives are outlined. The development of tissue adhesives will fuse disciplines and make broad impacts in engineering and medicine.
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Affiliation(s)
- Zhenwei Ma
- Department of Mechanical Engineering, McGill University, Montréal, QC, H3A 0C3, Canada
| | - Guangyu Bao
- Department of Mechanical Engineering, McGill University, Montréal, QC, H3A 0C3, Canada
| | - Jianyu Li
- Department of Mechanical Engineering, McGill University, Montréal, QC, H3A 0C3, Canada
- Department of Biomedical Engineering, McGill University, Montréal, QC, H3A 2B4, Canada
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41
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Shiwarski DJ, Hudson AR, Tashman JW, Feinberg AW. Emergence of FRESH 3D printing as a platform for advanced tissue biofabrication. APL Bioeng 2021; 5:010904. [PMID: 33644626 PMCID: PMC7889293 DOI: 10.1063/5.0032777] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 01/06/2021] [Indexed: 12/15/2022] Open
Abstract
In tissue engineering, an unresolved challenge is how to build complex 3D scaffolds in order to recreate the structure and function of human tissues and organs. Additive manufacturing techniques, such as 3D bioprinting, have the potential to build biological material with unprecedented spatial control; however, printing soft biological materials in air often results in poor fidelity. Freeform Reversible Embedding of Suspended Hydrogels (FRESH) is an embedded printing approach that solves this problem by extruding bioinks within a yield-stress support bath that holds the bioinks in place until cured. In this Perspective, we discuss the challenges of 3D printing soft and liquid-like bioinks and the emergence for FRESH and related embedded printing techniques as a solution. This includes the development of FRESH and embedded 3D printing within the bioprinting field and the rapid growth in adoption, as well as the advantages of FRESH printing for biofabrication and the new research results this has enabled. Specific focus is on the customizability of the FRESH printing technique where the chemical composition of the yield-stress support bath and aqueous phase crosslinker can all be tailored for printing a wide range of bioinks in complex 3D structures. Finally, we look ahead at the future of FRESH printing, discussing both the challenges and the opportunities that we see as the biofabrication field develops.
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Affiliation(s)
- Daniel J. Shiwarski
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
| | - Andrew R. Hudson
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
| | - Joshua W. Tashman
- Department of Biomedical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA
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Wang M, Luo Y, Yu Y, Chen F. Bioengineering Approaches to Accelerate Clinical Translation of Stem Cell Therapies Treating Osteochondral Diseases. Stem Cells Int 2020; 2020:8874742. [PMID: 33424981 PMCID: PMC7775142 DOI: 10.1155/2020/8874742] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/17/2020] [Accepted: 12/12/2020] [Indexed: 12/15/2022] Open
Abstract
The osteochondral tissue is an interface between articular cartilage and bone. The diverse composition, mechanical properties, and cell phenotype in these two tissues pose a big challenge for the reconstruction of the defected interface. Due to the availability and inherent regenerative therapeutic properties, stem cells provide tremendous promise to repair osteochondral defect. This review is aimed at highlighting recent progress in utilizing bioengineering approaches to improve stem cell therapies for osteochondral diseases, which include microgel encapsulation, adhesive bioinks, and bioprinting to control the administration and distribution. We will also explore utilizing synthetic biology tools to control the differentiation fate and deliver therapeutic biomolecules to modulate the immune response. Finally, future directions and opportunities in the development of more potent and predictable stem cell therapies for osteochondral repair are discussed.
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Affiliation(s)
- Meng Wang
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yixuan Luo
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yin Yu
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Fei Chen
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
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