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Karakaya E, Gleichauf L, Schöbel L, Hassan A, Soufivand AA, Tessmar J, Budday S, Boccaccini AR, Detsch R. Engineering peptide-modified alginate-based bioinks with cell-adhesive properties for biofabrication. RSC Adv 2024; 14:13769-13786. [PMID: 38681843 PMCID: PMC11046382 DOI: 10.1039/d3ra08394b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 03/16/2024] [Indexed: 05/01/2024] Open
Abstract
Alginate (ALG) and its oxidised form alginate-dialdehyde (ADA) are highly attractive materials for hydrogels used in 3D bioprinting as well as drop-on-demand (DoD) approaches. However, both polymers need to be modified using cell-adhesive peptide sequences, to obtain bioinks exhibiting promising cell-material interactions. Our study explores the modification of ALG- and ADA-based bioinks with the adhesive peptides YIGSR (derived from laminin), RRETEWA (derived from fibronectin) and IKVAV (derived from laminin) for 3D bioprinting. Two coupling methods, carbodiimide and Schiff base reactions, were employed to modify the polymers with peptides. Analytical techniques, including FTIR and NMR were used to assess the chemical composition, revealing challenges in confirming the presence of peptides. The modified bioinks exhibited decreased stability, viscosity, and stiffness, particularly-ADA-based bioinks in contrast to ALG. Sterile hydrogel capsules or droplets were produced using a manual manufacturing process and DoD printing. NIH/3T3 cell spreading analysis showed enhanced cell spreading in carbodiimide-modified ADA, Schiff base-modified ADA, and PEG-Mal-modified ADA. The carbodiimide coupling of peptides worked for ADA, however the same was not observed for ALG. Finally, a novel mixture of all used peptides was evaluated regarding synergistic effects on cell spreading which was found to be effective, showing higher aspect ratios compared to the single peptide coupled hydrogels in all cases. The study suggests potential applications of these modified bioinks in 3D bioprinting approaches and highlights the importance of peptide selection as well as their combination for improved cell-material interactions.
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Affiliation(s)
- Emine Karakaya
- Department of Material Science and Engineering, Institute for Biomaterials, Friedrich-Alexander University Erlangen-Nuremberg Germany
| | - Luisa Gleichauf
- Department of Material Science and Engineering, Institute for Biomaterials, Friedrich-Alexander University Erlangen-Nuremberg Germany
| | - Lisa Schöbel
- Department of Material Science and Engineering, Institute for Biomaterials, Friedrich-Alexander University Erlangen-Nuremberg Germany
| | - Ahmed Hassan
- Department of Material Science and Engineering, Institute for Biomaterials, Friedrich-Alexander University Erlangen-Nuremberg Germany
| | - Anahita Ahmadi Soufivand
- Department of Mechanical Engineering, Institute of Continuum Mechanics and Biomechanics, Friedrich-Alexander-University Erlangen-Nuremberg Germany
| | - Joerg Tessmar
- Department for Functional Materials in Medicine and Dentistry, University of Würzburg Germany
| | - Silvia Budday
- Department of Mechanical Engineering, Institute of Continuum Mechanics and Biomechanics, Friedrich-Alexander-University Erlangen-Nuremberg Germany
| | - Aldo R Boccaccini
- Department of Material Science and Engineering, Institute for Biomaterials, Friedrich-Alexander University Erlangen-Nuremberg Germany
| | - Rainer Detsch
- Department of Material Science and Engineering, Institute for Biomaterials, Friedrich-Alexander University Erlangen-Nuremberg Germany
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2
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Yang Z, Chen L, Liu J, Zhuang H, Lin W, Li C, Zhao X. Short Peptide Nanofiber Biomaterials Ameliorate Local Hemostatic Capacity of Surgical Materials and Intraoperative Hemostatic Applications in Clinics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2301849. [PMID: 36942893 DOI: 10.1002/adma.202301849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/12/2023] [Indexed: 06/18/2023]
Abstract
Short designer self-assembling peptide (dSAP) biomaterials are a new addition to the hemostat group. It may provide a diverse and robust toolbox for surgeons to integrate wound microenvironment with much safer and stronger hemostatic capacity than conventional materials and hemostatic agents. Especially in noncompressible torso hemorrhage (NCTH), diffuse mucosal surface bleeding, and internal medical bleeding (IMB), with respect to the optimal hemostatic formulation, dSAP biomaterials are the ingenious nanofiber alternatives to make bioactive neural scaffold, nasal packing, large mucosal surface coverage in gastrointestinal surgery (esophagus, gastric lesion, duodenum, and lower digestive tract), epicardiac cell-delivery carrier, transparent matrix barrier, and so on. Herein, in multiple surgical specialties, dSAP-biomaterial-based nano-hemostats achieve safe, effective, and immediate hemostasis, facile wound healing, and potentially reduce the risks in delayed bleeding, rebleeding, post-operative bleeding, or related complications. The biosafety in vivo, bleeding indications, tissue-sealing quality, surgical feasibility, and local usability are addressed comprehensively and sequentially and pursued to develop useful surgical techniques with better hemostatic performance. Here, the state of the art and all-round advancements of nano-hemostatic approaches in surgery are provided. Relevant critical insights will inspire exciting investigations on peptide nanotechnology, next-generation biomaterials, and better promising prospects in clinics.
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Affiliation(s)
- Zehong Yang
- Department of Biochemistry and Molecular Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, 610041, China
- Institute for Nanobiomedical Technology and Membrane Biology, West China Hospital of Sichuan University, Chengdu, Sichuan, 610041, China
| | - Lihong Chen
- Department of Biochemistry and Molecular Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Ji Liu
- Department of Biochemistry and Molecular Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Hua Zhuang
- Department of Ultrasonography, West China Hospital of Sichuan University, No. 37 Guoxue Road, Wuhou District, Chengdu, Sichuan, 610041, China
| | - Wei Lin
- Department of Obstetrics and Gynecology, Key Laboratory of Birth Defects and Related Women and Children Diseases of the Ministry of Education, Sichuan University, No. 17 People's South Road, Chengdu, Sichuan, 610041, China
| | - Changlong Li
- Department of Biochemistry and Molecular Biology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Xiaojun Zhao
- Institute for Nanobiomedical Technology and Membrane Biology, West China Hospital of Sichuan University, Chengdu, Sichuan, 610041, China
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Sun Z, Zhu D, Zhao H, Liu J, He P, Luan X, Hu H, Zhang X, Wei G, Xi Y. Recent advance in bioactive hydrogels for repairing spinal cord injury: material design, biofunctional regulation, and applications. J Nanobiotechnology 2023; 21:238. [PMID: 37488557 PMCID: PMC10364437 DOI: 10.1186/s12951-023-01996-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 07/10/2023] [Indexed: 07/26/2023] Open
Abstract
Functional hydrogels show potential application in repairing spinal cord injury (SCI) due to their unique chemical, physical, and biological properties and functions. In this comprehensive review, we present recent advance in the material design, functional regulation, and SCI repair applications of bioactive hydrogels. Different from previously released reviews on hydrogels and three-dimensional scaffolds for the SCI repair, this work focuses on the strategies for material design and biologically functional regulation of hydrogels, specifically aiming to show how these significant efforts can promoting the repairing performance of SCI. We demonstrate various methods and techniques for the fabrication of bioactive hydrogels with the biological components such as DNA, proteins, peptides, biomass polysaccharides, and biopolymers to obtain unique biological properties of hydrogels, including the cell biocompatibility, self-healing, anti-bacterial activity, injectability, bio-adhesion, bio-degradation, and other multi-functions for repairing SCI. The functional regulation of bioactive hydrogels with drugs/growth factors, polymers, nanoparticles, one-dimensional materials, and two-dimensional materials for highly effective treating SCI are introduced and discussed in detail. This work shows new viewpoints and ideas on the design and synthesis of bioactive hydrogels with the state-of-the-art knowledges of materials science and nanotechnology, and will bridge the connection of materials science and biomedicine, and further inspire clinical potential of bioactive hydrogels in biomedical fields.
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Affiliation(s)
- Zhengang Sun
- Department of Spinal Surgery, Affiliated Hospital of Qingdao University, Qingdao, 266071, People's Republic of China
- Department of Spinal Surgery, Huangdao Central Hospital, Affiliated Hospital of Qingdao University, Qingdao, 266071, China
- The Department of Plastic Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, People's Republic of China
| | - Danzhu Zhu
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, People's Republic of China
| | - Hong Zhao
- Department of Spinal Surgery, Huangdao Central Hospital, Affiliated Hospital of Qingdao University, Qingdao, 266071, China
| | - Jia Liu
- Department of Spinal Surgery, Huangdao Central Hospital, Affiliated Hospital of Qingdao University, Qingdao, 266071, China
| | - Peng He
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, People's Republic of China
| | - Xin Luan
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, People's Republic of China
| | - Huiqiang Hu
- Department of Spinal Surgery, Affiliated Hospital of Qingdao University, Qingdao, 266071, People's Republic of China
| | - Xuanfen Zhang
- The Department of Plastic Surgery, Lanzhou University Second Hospital, Lanzhou, 730030, People's Republic of China.
| | - Gang Wei
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, 266071, People's Republic of China.
| | - Yongming Xi
- Department of Spinal Surgery, Affiliated Hospital of Qingdao University, Qingdao, 266071, People's Republic of China.
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Sun W, Gregory DA, Zhao X. Designed peptide amphiphiles as scaffolds for tissue engineering. Adv Colloid Interface Sci 2023; 314:102866. [PMID: 36898186 DOI: 10.1016/j.cis.2023.102866] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 02/22/2023] [Accepted: 02/24/2023] [Indexed: 03/03/2023]
Abstract
Peptide amphiphiles (PAs) are peptide-based molecules that contain a peptide sequence as a head group covalently conjugated to a hydrophobic segment, such as lipid tails. They can self-assemble into well-ordered supramolecular nanostructures such as micelles, vesicles, twisted ribbons and nanofibers. In addition, the diversity of natural amino acids gives the possibility to produce PAs with different sequences. These properties along with their biocompatibility, biodegradability and a high resemblance to native extracellular matrix (ECM) have resulted in PAs being considered as ideal scaffold materials for tissue engineering (TE) applications. This review introduces the 20 natural canonical amino acids as building blocks followed by highlighting the three categories of PAs: amphiphilic peptides, lipidated peptide amphiphiles and supramolecular peptide amphiphile conjugates, as well as their design rules that dictate the peptide self-assembly process. Furthermore, 3D bio-fabrication strategies of PAs hydrogels are discussed and the recent advances of PA-based scaffolds in TE with the emphasis on bone, cartilage and neural tissue regeneration both in vitro and in vivo are considered. Finally, future prospects and challenges are discussed.
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Affiliation(s)
- Weizhen Sun
- School of Pharmacy, Changzhou University, Changzhou 213164, China; Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, UK
| | - David Alexander Gregory
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, UK; Department of Material Science and Engineering, University of Sheffield, Sheffield S3 7HQ, UK
| | - Xiubo Zhao
- School of Pharmacy, Changzhou University, Changzhou 213164, China; Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, UK.
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Oliveira CBP, Gomes V, Ferreira PMT, Martins JA, Jervis PJ. Peptide-Based Supramolecular Hydrogels as Drug Delivery Agents: Recent Advances. Gels 2022; 8:706. [PMID: 36354614 PMCID: PMC9689023 DOI: 10.3390/gels8110706] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 10/25/2022] [Accepted: 10/27/2022] [Indexed: 08/19/2023] Open
Abstract
Supramolecular peptide hydrogels have many important applications in biomedicine, including drug delivery applications for the sustained release of therapeutic molecules. Targeted and selective drug administration is often preferential to systemic drug delivery, as it can allow reduced doses and can avoid the toxicity and side-effects caused by off-target binding. New discoveries are continually being reported in this rapidly developing field. In this review, we report the latest developments in supramolecular peptide-based hydrogels for drug delivery, focusing primarily on discoveries that have been reported in the last four years (2018-present). We address clinical points, such as peptide self-assembly and drug release, mechanical properties in drug delivery, peptide functionalization, bioadhesive properties and drug delivery enhancement strategies, drug release profiles, and different hydrogel matrices for anticancer drug loading and release.
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Affiliation(s)
| | | | | | | | - Peter J. Jervis
- Centre of Chemistry, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
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Montheil T, Simon M, Noël D, Mehdi A, Subra G, Echalier C. Silylated biomolecules: Versatile components for bioinks. Front Bioeng Biotechnol 2022; 10:888437. [PMID: 36304899 PMCID: PMC9592925 DOI: 10.3389/fbioe.2022.888437] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 09/28/2022] [Indexed: 11/25/2022] Open
Abstract
Physical hydrogels prepared from natural biopolymers are the most popular components for bioinks. However, to improve the mechanical properties of the network, in particular its durability for long-lasting tissue engineering applications or its stiffness for bone/cartilage applications, covalent chemical hydrogels have to be considered. For that purpose, biorthogonal reactions are required to allow the inclusion of living cells within the bioink reservoir before the 3D printing procedure. Interestingly, such reactions also unlock the possibility to further multifunctionalize the network, adding bioactive moieties to tune the biological properties of the resulting printed biomaterial. Surprisingly, compared to the huge number of studies disclosing novel bioink compositions, no extensive efforts have been made by the scientific community to develop new chemical reactions meeting the requirements of both cell encapsulation, chemical orthogonality and versatile enough to be applied to a wide range of molecular components, including fragile biomolecules. That could be explained by the domination of acrylate photocrosslinking in the bioprinting field. On the other hand, proceeding chemoselectively and allowing the polymerization of any type of silylated molecules, the sol-gel inorganic polymerization was used as a crosslinking reaction to prepare hydrogels. Recent development of this strategy includes the optimization of biocompatible catalytic conditions and the silylation of highly attractive biomolecules such as amino acids, bioactive peptides, proteins and oligosaccharides. When one combines the simplicity and the versatility of the process, with the ease of functionalization of any type of relevant silylated molecules that can be combined in an infinite manner, it was obvious that a family of bioinks could emerge quickly. This review presents the sol-gel process in biocompatible conditions and the various classes of relevant silylated molecules that can be used as bioink components. The preparation of hydrogels and the kinetic considerations of the sol-gel chemistry which at least allowed cell encapsulation and extrusion-based bioprinting are discussed.
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Affiliation(s)
- Titouan Montheil
- IBMM, University Montpellier, CNRS, ENSCM, Montpellier, France
- ICGM, University Montpellier, CNRS, ENSCM, Montpellier, France
| | - Matthieu Simon
- IBMM, University Montpellier, CNRS, ENSCM, Montpellier, France
- IRMB, University Montpellier, INSERM, CHU, Montpellier, France
| | - Danièle Noël
- IRMB, University Montpellier, INSERM, CHU, Montpellier, France
| | - Ahmad Mehdi
- ICGM, University Montpellier, CNRS, ENSCM, Montpellier, France
| | - Gilles Subra
- IBMM, University Montpellier, CNRS, ENSCM, Montpellier, France
- *Correspondence: Gilles Subra, ; Cécile Echalier,
| | - Cécile Echalier
- IBMM, University Montpellier, CNRS, ENSCM, Montpellier, France
- *Correspondence: Gilles Subra, ; Cécile Echalier,
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7
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Patil PJ, Sutar SS, Usman M, Patil DN, Dhanavade MJ, Shehzad Q, Mehmood A, Shah H, Teng C, Zhang C, Li X. Exploring bioactive peptides as potential therapeutic and biotechnology treasures: A contemporary perspective. Life Sci 2022; 301:120637. [PMID: 35568229 DOI: 10.1016/j.lfs.2022.120637] [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: 01/06/2022] [Revised: 05/02/2022] [Accepted: 05/09/2022] [Indexed: 12/21/2022]
Abstract
In preceding years, bioactive peptides (BAPs) have piqued escalating attention owing to their multitudinous biological features. To date, many potential BAPs exhibiting anti-cancer activities have been documented; yet, obstacles such as their safety profiles and consumer acceptance continue to exist. Moreover, BAPs have been discovered to facilitate the suppression of Coronavirus Disease 2019 (CoVID-19) and maybe ideal for treating the CoVID-19 infection, as stated by published experimental findings, but their widespread knowledge is scarce. Likewise, there is a cornucopia of BAPs possessing neuroprotective effects that mend neurodegenerative diseases (NDs) by regulating gut microbiota, but they remain a subject of research interest. Additionally, a plethora of researchers have attempted next-generation approaches based on BAPs, but they need scientific attention. The text format of this critical review is organized around an overview of BAPs' versatility and diverse bio functionalities with emphasis on recent developments and novelties. The review is alienated into independent sections, which are related to either BAPs based disease management strategies or next-generation BAPs based approaches. BAPs based anti-cancer, anti-CoVID-19, and neuroprotective strategies have been explored, which may offer insights that could help the researchers and industries to find an alternate regimen against the three aforementioned fatal diseases. To the best of our knowledge, this is the first review that has systematically discussed the next-generation approaches in BAP research. Furthermore, it can be concluded that the BAPs may be optimal for the management of cancer, CoVID-19, and NDs; nevertheless, experimental and preclinical studies are crucial to validate their therapeutic benefits.
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Affiliation(s)
- Prasanna J Patil
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing 100048, China; School of Food and Health, Beijing Technology and Business University, No. 11, Fucheng Road, Beijing 100048, China
| | - Shubham S Sutar
- Department of Biotechnology, Shivaji University, Vidyanagar, Kolhapur, Maharashtra 416004, India
| | - Muhammad Usman
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing 100048, China; School of Food and Health, Beijing Technology and Business University, No. 11, Fucheng Road, Beijing 100048, China
| | - Devashree N Patil
- Department of Biotechnology, Shivaji University, Vidyanagar, Kolhapur, Maharashtra 416004, India
| | - Maruti J Dhanavade
- Department of Microbiology, Bharati Vidyapeeth's Dr. Patangrao Kadam Mahavidyalaya, Sangli, Maharashtra 416416, India
| | - Qayyum Shehzad
- National Engineering Laboratory for Agri-Product Quality Traceability, Beijing Technology and Business University, Beijing 100048, China
| | - Arshad Mehmood
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing 100048, China; School of Food and Health, Beijing Technology and Business University, No. 11, Fucheng Road, Beijing 100048, China; Beijing Engineering and Technology Research Center of Food Additives, School of Food and Chemical Technology, Beijing Technology and Business University, Beijing 100048, China
| | - Haroon Shah
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing 100048, China; School of Food and Health, Beijing Technology and Business University, No. 11, Fucheng Road, Beijing 100048, China
| | - Chao Teng
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing 100048, China; School of Food and Health, Beijing Technology and Business University, No. 11, Fucheng Road, Beijing 100048, China; Beijing Engineering and Technology Research Center of Food Additives, School of Food and Chemical Technology, Beijing Technology and Business University, Beijing 100048, China
| | - Chengnan Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing 100048, China; School of Food and Health, Beijing Technology and Business University, No. 11, Fucheng Road, Beijing 100048, China; Beijing Engineering and Technology Research Center of Food Additives, School of Food and Chemical Technology, Beijing Technology and Business University, Beijing 100048, China.
| | - Xiuting Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing 100048, China; School of Food and Health, Beijing Technology and Business University, No. 11, Fucheng Road, Beijing 100048, China; Beijing Engineering and Technology Research Center of Food Additives, School of Food and Chemical Technology, Beijing Technology and Business University, Beijing 100048, China.
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8
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Wang H, Yu H, Zhou X, Zhang J, Zhou H, Hao H, Ding L, Li H, Gu Y, Ma J, Qiu J, Ma D. An Overview of Extracellular Matrix-Based Bioinks for 3D Bioprinting. Front Bioeng Biotechnol 2022; 10:905438. [PMID: 35646886 PMCID: PMC9130719 DOI: 10.3389/fbioe.2022.905438] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 04/26/2022] [Indexed: 12/20/2022] Open
Abstract
As a microenvironment where cells reside, the extracellular matrix (ECM) has a complex network structure and appropriate mechanical properties to provide structural and biochemical support for the surrounding cells. In tissue engineering, the ECM and its derivatives can mitigate foreign body responses by presenting ECM molecules at the interface between materials and tissues. With the widespread application of three-dimensional (3D) bioprinting, the use of the ECM and its derivative bioinks for 3D bioprinting to replicate biomimetic and complex tissue structures has become an innovative and successful strategy in medical fields. In this review, we summarize the significance and recent progress of ECM-based biomaterials in 3D bioprinting. Then, we discuss the most relevant applications of ECM-based biomaterials in 3D bioprinting, such as tissue regeneration and cancer research. Furthermore, we present the status of ECM-based biomaterials in current research and discuss future development prospects.
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Affiliation(s)
- Haonan Wang
- Department of Radiology, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, China
- Department of Clinical Medicine, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
| | - Huaqing Yu
- Department of Radiology, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, China
- Department of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
| | - Xia Zhou
- Department of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
| | - Jilong Zhang
- Department of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
| | - Hongrui Zhou
- Department of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
| | - Haitong Hao
- Department of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
| | - Lina Ding
- Department of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
| | - Huiying Li
- Department of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
| | - Yanru Gu
- Department of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
| | - Junchi Ma
- Department of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
| | - Jianfeng Qiu
- Department of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
| | - Depeng Ma
- Department of Radiology, The Second Affiliated Hospital of Shandong First Medical University, Tai’an, China
- Department of Radiology, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai’an, China
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9
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Panja N, Maji S, Choudhuri S, Ali KA, Hossain CM. 3D Bioprinting of Human Hollow Organs. AAPS PharmSciTech 2022; 23:139. [PMID: 35536418 PMCID: PMC9088731 DOI: 10.1208/s12249-022-02279-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 04/09/2022] [Indexed: 01/12/2023] Open
Abstract
3D bioprinting is a rapidly evolving technique that has been found to have extensive applications in disease research, tissue engineering, and regenerative medicine. 3D bioprinting might be a solution to global organ shortages and the growing aversion to testing cell patterning for novel tissue fabrication and building superior disease models. It has the unrivaled capability of layer-by-layer deposition using different types of biomaterials, stem cells, and biomolecules with a perfectly regulated spatial distribution. The tissue regeneration of hollow organs has always been a challenge for medical science because of the complexities of their cell structures. In this mini review, we will address the status of the science behind tissue engineering and 3D bioprinting of epithelialized tubular hollow organs. This review will also cover the current challenges and prospects, as well as the application of these complicated 3D-printed organs.
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10
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Hao Z, Li H, Wang Y, Hu Y, Chen T, Zhang S, Guo X, Cai L, Li J. Supramolecular Peptide Nanofiber Hydrogels for Bone Tissue Engineering: From Multihierarchical Fabrications to Comprehensive Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103820. [PMID: 35128831 PMCID: PMC9008438 DOI: 10.1002/advs.202103820] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 01/02/2022] [Indexed: 05/03/2023]
Abstract
Bone tissue engineering is becoming an ideal strategy to replace autologous bone grafts for surgical bone repair, but the multihierarchical complexity of natural bone is still difficult to emulate due to the lack of suitable biomaterials. Supramolecular peptide nanofiber hydrogels (SPNHs) are emerging biomaterials because of their inherent biocompatibility, satisfied biodegradability, high purity, facile functionalization, and tunable mechanical properties. This review initially focuses on the multihierarchical fabrications by SPNHs to emulate natural bony extracellular matrix. Structurally, supramolecular peptides based on distinctive building blocks can assemble into nanofiber hydrogels, which can be used as nanomorphology-mimetic scaffolds for tissue engineering. Biochemically, bioactive motifs and bioactive factors can be covalently tethered or physically absorbed to SPNHs to endow various functions depending on physiological and pharmacological requirements. Mechanically, four strategies are summarized to optimize the biophysical microenvironment of SPNHs for bone regeneration. Furthermore, comprehensive applications about SPNHs for bone tissue engineering are reviewed. The biomaterials can be directly used in the form of injectable hydrogels or composite nanoscaffolds, or they can be used to construct engineered bone grafts by bioprinting or bioreactors. Finally, continuing challenges and outlook are discussed.
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Affiliation(s)
- Zhuowen Hao
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Hanke Li
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Yi Wang
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Yingkun Hu
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Tianhong Chen
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Shuwei Zhang
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Xiaodong Guo
- Department of OrthopedicsUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyJiefang Road 1277Wuhan430022China
| | - Lin Cai
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
| | - Jingfeng Li
- Department of OrthopedicsZhongnan Hospital of Wuhan UniversityDonghu Road 169Wuhan430071China
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11
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Choudhury S, Asthana S, Homer-Vanniasinkam S, Chatterjee K. Emerging Trends in Biliary Stents: A Materials and Manufacturing Perspective. Biomater Sci 2022; 10:3716-3729. [DOI: 10.1039/d2bm00234e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Biliary stent technology has come a long way since its inception. There have been significant advancements in materials used, designs, and deployment strategies. Options have expanded from thermoplastic and metallic...
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12
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Firipis K, Nisbet DR, Franks SJ, Kapsa RMI, Pirogova E, Williams RJ, Quigley A. Enhancing Peptide Biomaterials for Biofabrication. Polymers (Basel) 2021; 13:polym13162590. [PMID: 34451130 PMCID: PMC8400132 DOI: 10.3390/polym13162590] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/30/2021] [Accepted: 07/30/2021] [Indexed: 12/20/2022] Open
Abstract
Biofabrication using well-matched cell/materials systems provides unprecedented opportunities for dealing with human health issues where disease or injury overtake the body’s native regenerative abilities. Such opportunities can be enhanced through the development of biomaterials with cues that appropriately influence embedded cells into forming functional tissues and organs. In this context, biomaterials’ reliance on rigid biofabrication techniques needs to support the incorporation of a hierarchical mimicry of local and bulk biological cues that mimic the key functional components of native extracellular matrix. Advances in synthetic self-assembling peptide biomaterials promise to produce reproducible mimics of tissue-specific structures and may go some way in overcoming batch inconsistency issues of naturally sourced materials. Recent work in this area has demonstrated biofabrication with self-assembling peptide biomaterials with unique biofabrication technologies to support structural fidelity upon 3D patterning. The use of synthetic self-assembling peptide biomaterials is a growing field that has demonstrated applicability in dermal, intestinal, muscle, cancer and stem cell tissue engineering.
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Affiliation(s)
- Kate Firipis
- Biofab3D, Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (K.F.); (R.M.I.K.); (E.P.)
- Biomedical and Electrical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - David R. Nisbet
- Laboratory of Advanced Biomaterials, The Australian National University, Acton, Canberra, ACT 2601, Australia; (D.R.N.); (S.J.F.)
- The Graeme Clark Institute, Faculty of Engineering and Information Technology, Melbourne, VIC 3000, Australia
- Faculty of Medicine, Dentistry and Health Services, The University of Melbourne, Melbourne, VIC 3000, Australia
| | - Stephanie J. Franks
- Laboratory of Advanced Biomaterials, The Australian National University, Acton, Canberra, ACT 2601, Australia; (D.R.N.); (S.J.F.)
| | - Robert M. I. Kapsa
- Biofab3D, Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (K.F.); (R.M.I.K.); (E.P.)
- Biomedical and Electrical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
- Department of Medicine, Melbourne University, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3064, Australia
| | - Elena Pirogova
- Biofab3D, Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (K.F.); (R.M.I.K.); (E.P.)
- Biomedical and Electrical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - Richard J. Williams
- Biofab3D, Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (K.F.); (R.M.I.K.); (E.P.)
- Institute of Mental and Physical Health and Clinical Translation, School of Medicine, Deakin University, Waurn Ponds, VIC 3216, Australia
- Correspondence: (R.J.W.); (A.Q.)
| | - Anita Quigley
- Biofab3D, Aikenhead Centre for Medical Discovery, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3065, Australia; (K.F.); (R.M.I.K.); (E.P.)
- Biomedical and Electrical Engineering, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
- Department of Medicine, Melbourne University, St Vincent’s Hospital Melbourne, Fitzroy, VIC 3064, Australia
- Correspondence: (R.J.W.); (A.Q.)
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13
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Gelain F, Luo Z, Rioult M, Zhang S. Self-assembling peptide scaffolds in the clinic. NPJ Regen Med 2021; 6:9. [PMID: 33597509 PMCID: PMC7889856 DOI: 10.1038/s41536-020-00116-w] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 12/03/2020] [Indexed: 12/11/2022] Open
Abstract
Well-defined scaffold hydrogels made of self-assembling peptides have found their way into clinical products. By examining the properties and applications of two self-assembling peptides-EAK16 and RADA16-we highlight the potential for translating designer biological scaffolds into commercial products.
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Affiliation(s)
- Fabrizio Gelain
- Institute for Stem-Cell Biology, Regenerative Medicine and Innovative Therapies (ISBREMIT), IRCCS Casa Sollievo della Sofferenza, 71013, San Giovanni Rotondo, Italy.
- Center for Nanomedicine and Tissue Engineering (CNTE), ASST Grande Ospedale Metropolitano Niguarda, 20162, Milan, Italy.
| | - Zhongli Luo
- College of Basic Medical Sciences, Molecular Medicine and Cancer Research Centre, Chongqing Medical University, Chongqing, 400016, China.
| | | | - Shuguang Zhang
- Laboratory of Molecular Architecture, Media Lab, Massachusetts Institute of Technology, Cambridge, MA, 02139-4307, USA.
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14
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Wang Z, Faria J, Penning LC, Masereeuw R, Spee B. Tissue-Engineered Bile Ducts for Disease Modeling and Therapy. Tissue Eng Part C Methods 2021; 27:59-76. [PMID: 33267737 DOI: 10.1089/ten.tec.2020.0283] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Recent biotechnical advances in the in vitro culture of cholangiocytes and generation of bioengineered biliary tissue have a high potential for creating biliary tissue to be used for disease modeling, drug screening, and transplantation. For the past few decades, scientists have searched for a source of cholangiocytes, focused on primary cholangiocytes or cholangiocytes derived from hepatocytes or stem cells. At the same time, the development of scaffolds for biliary tissue engineering for transplantation and modeling of cholangiopathies has been explored. In this review, we provide an overview on the current understanding of cholangiocytes sources, the effect of signaling molecules, and transcription factors on cell differentiation, along with the effects of extracellular matrix molecules and scaffolds on bioengineered biliary tissues, and their application in disease modeling and drug screening. Impact statement Over the past few decades, biliary tissue engineering has acquired significant attention, but currently a number of factors hinder this field to eventually generate bioengineered bile ducts that mimic in vivo physiology and are suitable for transplantation. In this review, we present the latest advances with respect to cell source selection, influence of growth factors and scaffolds, and functional characterization, as well as applications in cholangiopathy modeling and drug screening. This review is suited for a broad spectrum of readers, including fundamental liver researchers and clinicians with interest in the current state and application of bile duct engineering and disease modeling.
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Affiliation(s)
- Zhenguo Wang
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.,Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - João Faria
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Louis C Penning
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Rosalinde Masereeuw
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Faculty of Science, Utrecht University, Utrecht, The Netherlands
| | - Bart Spee
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
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15
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Koch M, Włodarczyk-Biegun MK. Faithful scanning electron microscopic (SEM) visualization of 3D printed alginate-based scaffolds. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.bprint.2020.e00098] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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16
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Gelain F, Luo Z, Zhang S. Self-Assembling Peptide EAK16 and RADA16 Nanofiber Scaffold Hydrogel. Chem Rev 2020; 120:13434-13460. [DOI: 10.1021/acs.chemrev.0c00690] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Fabrizio Gelain
- Institute for Stem-cell Biology, Regenerative Medicine and Innovative Therapies, IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, 71013, Italy
- Center for Nanomedicine and Tissue Engineering, ASST Grande Ospedale Metropolitano Niguarda, Piazza dell’Ospedale Maggiore, 3, Milan 20162, Italy
| | - Zhongli Luo
- College of Basic Medical Sciences, Molecular Medicine and Cancer Research Center, Chongqing Medical University, Chongqing 400016, China
| | - Shuguang Zhang
- Laboratory of Molecular Architecture, Media Lab, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139-4307, United States
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17
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Thomas J, Patel S, Troop L, Guru R, Faist N, Bellott BJ, Esterlen BA. 3D Printed Model of Extrahepatic Biliary Ducts for Biliary Stent Testing. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E4788. [PMID: 33120964 PMCID: PMC7663029 DOI: 10.3390/ma13214788] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 10/20/2020] [Accepted: 10/23/2020] [Indexed: 01/14/2023]
Abstract
Several inflammatory conditions of the bile ducts cause strictures that prevent the drainage of bile into the gastrointestinal tract. Non-pharmacological treatments to re-establish bile flow include plastic or self-expanding metal stents (SEMs) that are inserted in the bile ducts during endoscopic retrograde cholangiopancreatography (ERCP) procedures. The focus of this study was to 3D print an anatomically accurate model of the extrahepatic bile ducts (EHBDs) with tissue-like mechanical properties to improve in vitro testing of stent prototypes. Following generation of an EHBD model via computer aided design (CAD), we tested the ability of Formlabs SLA 3D printers to precisely print the model with polymers selected based on the desired mechanical properties. We found the printers were reliable in printing the dimensionally accurate EHBD model with candidate polymers. Next, we evaluated the mechanical properties of Formlabs Elastic (FE), Flexible (FF), and Durable (FD) resins pre- and post-exposure to water, saline, or bile acid solution at 37 °C for up to one week. FE possessed the most bile duct-like mechanical properties based on its elastic moduli, percent elongations at break, and changes in mass under all liquid exposure conditions. EHBD models printed in FE sustained no functional damage during biliary stent deployment or when tube connectors were inserted, and provided a high level of visualization of deployed stents. These results demonstrate that our 3D printed EHBD model facilitates more realistic pre-clinical in vitro testing of biliary stent prototypes.
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Affiliation(s)
- Joanna Thomas
- Biomedical Engineering Department, Mercer University, Macon, GA 31207, USA; (S.P.); (L.T.); (R.G.); (N.F.)
| | - Sagar Patel
- Biomedical Engineering Department, Mercer University, Macon, GA 31207, USA; (S.P.); (L.T.); (R.G.); (N.F.)
| | - Leia Troop
- Biomedical Engineering Department, Mercer University, Macon, GA 31207, USA; (S.P.); (L.T.); (R.G.); (N.F.)
| | - Robyn Guru
- Biomedical Engineering Department, Mercer University, Macon, GA 31207, USA; (S.P.); (L.T.); (R.G.); (N.F.)
| | - Nicholas Faist
- Biomedical Engineering Department, Mercer University, Macon, GA 31207, USA; (S.P.); (L.T.); (R.G.); (N.F.)
| | - Brian J. Bellott
- Chemistry Department, Western Illinois University, Macomb, IL 61455, USA; (B.J.B.); (B.A.E.)
| | - Bethany A. Esterlen
- Chemistry Department, Western Illinois University, Macomb, IL 61455, USA; (B.J.B.); (B.A.E.)
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18
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Fonseca AC, Melchels FPW, Ferreira MJS, Moxon SR, Potjewyd G, Dargaville TR, Kimber SJ, Domingos M. Emulating Human Tissues and Organs: A Bioprinting Perspective Toward Personalized Medicine. Chem Rev 2020; 120:11128-11174. [PMID: 32937071 PMCID: PMC7645917 DOI: 10.1021/acs.chemrev.0c00342] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Indexed: 02/06/2023]
Abstract
The lack of in vitro tissue and organ models capable of mimicking human physiology severely hinders the development and clinical translation of therapies and drugs with higher in vivo efficacy. Bioprinting allow us to fill this gap and generate 3D tissue analogues with complex functional and structural organization through the precise spatial positioning of multiple materials and cells. In this review, we report the latest developments in terms of bioprinting technologies for the manufacturing of cellular constructs with particular emphasis on material extrusion, jetting, and vat photopolymerization. We then describe the different base polymers employed in the formulation of bioinks for bioprinting and examine the strategies used to tailor their properties according to both processability and tissue maturation requirements. By relating function to organization in human development, we examine the potential of pluripotent stem cells in the context of bioprinting toward a new generation of tissue models for personalized medicine. We also highlight the most relevant attempts to engineer artificial models for the study of human organogenesis, disease, and drug screening. Finally, we discuss the most pressing challenges, opportunities, and future prospects in the field of bioprinting for tissue engineering (TE) and regenerative medicine (RM).
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Affiliation(s)
- Ana Clotilde Fonseca
- Centre
for Mechanical Engineering, Materials and Processes, Department of
Chemical Engineering, University of Coimbra, Rua Sílvio Lima-Polo II, 3030-790 Coimbra, Portugal
| | - Ferry P. W. Melchels
- Institute
of Biological Chemistry, Biophysics and Bioengineering, School of
Engineering and Physical Sciences, Heriot-Watt
University, Edinburgh EH14 4AS, U.K.
| | - Miguel J. S. Ferreira
- Department
of Mechanical, Aerospace and Civil Engineering, School of Engineering,
Faculty of Science and Engineering, The
University of Manchester, Manchester M13 9PL, U.K.
| | - Samuel R. Moxon
- Division
of Neuroscience and Experimental Psychology, School of Biological
Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester M13 9PT, U.K.
| | - Geoffrey Potjewyd
- Division
of Neuroscience and Experimental Psychology, School of Biological
Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester M13 9PT, U.K.
| | - Tim R. Dargaville
- Institute
of Health and Biomedical Innovation, Science and Engineering Faculty, Queensland University of Technology, Queensland 4001, Australia
| | - Susan J. Kimber
- Division
of Cell Matrix Biology and Regenerative Medicine, School of Biological
Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester M13 9PT, U.K.
| | - Marco Domingos
- Department
of Mechanical, Aerospace and Civil Engineering, School of Engineering,
Faculty of Science and Engineering, The
University of Manchester, Manchester M13 9PL, U.K.
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19
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Bahraminasab M. Challenges on optimization of 3D-printed bone scaffolds. Biomed Eng Online 2020; 19:69. [PMID: 32883300 PMCID: PMC7469110 DOI: 10.1186/s12938-020-00810-2] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 08/22/2020] [Indexed: 12/15/2022] Open
Abstract
Advances in biomaterials and the need for patient-specific bone scaffolds require modern manufacturing approaches in addition to a design strategy. Hybrid materials such as those with functionally graded properties are highly needed in tissue replacement and repair. However, their constituents, proportions, sizes, configurations and their connection to each other are a challenge to manufacturing. On the other hand, various bone defect sizes and sites require a cost-effective readily adaptive manufacturing technique to provide components (scaffolds) matching with the anatomical shape of the bone defect. Additive manufacturing or three-dimensional (3D) printing is capable of fabricating functional physical components with or without porosity by depositing the materials layer-by-layer using 3D computer models. Therefore, it facilitates the production of advanced bone scaffolds with the feasibility of making changes to the model. This review paper first discusses the development of a computer-aided-design (CAD) approach for the manufacture of bone scaffolds, from the anatomical data acquisition to the final model. It also provides information on the optimization of scaffold's internal architecture, advanced materials, and process parameters to achieve the best biomimetic performance. Furthermore, the review paper describes the advantages and limitations of 3D printing technologies applied to the production of bone tissue scaffolds.
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Affiliation(s)
- Marjan Bahraminasab
- Nervous System Stem Cells Research Center, Semnan University of Medical Sciences, Semnan, Iran.
- Department of Tissue Engineering and Applied Cell Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran.
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20
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GhavamiNejad A, Ashammakhi N, Wu XY, Khademhosseini A. Crosslinking Strategies for 3D Bioprinting of Polymeric Hydrogels. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2002931. [PMID: 32734720 PMCID: PMC7754762 DOI: 10.1002/smll.202002931] [Citation(s) in RCA: 125] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Indexed: 05/15/2023]
Abstract
Three-dimensional (3D) bioprinting has recently advanced as an important tool to produce viable constructs that can be used for regenerative purposes or as tissue models. To develop biomimetic and sustainable 3D constructs, several important processing aspects need to be considered, among which crosslinking is most important for achieving desirable biomechanical stability of printed structures, which is reflected in subsequent behavior and use of these constructs. In this work, crosslinking methods used in 3D bioprinting studies are reviewed, parameters that affect bioink chemistry are discussed, and the potential toward improving crosslinking outcomes and construct performance is highlighted. Furthermore, current challenges and future prospects are discussed. Due to the direct connection between crosslinking methods and properties of 3D bioprinted structures, this Review can provide a basis for developing necessary modifications to the design and manufacturing process of advanced tissue-like constructs in future.
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Affiliation(s)
- Amin GhavamiNejad
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, Canada
| | - Nureddin Ashammakhi
- Center for Minimally Invasive Therapeutics, California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, California, USA
- Department of Radiological Sciences, University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
| | - Xiao Yu Wu
- Advanced Pharmaceutics and Drug Delivery Laboratory, Leslie L. Dan Faculty of Pharmacy, University of Toronto, Toronto, Canada
| | - Ali Khademhosseini
- Center for Minimally Invasive Therapeutics, California NanoSystems Institute (CNSI), University of California - Los Angeles, Los Angeles, California, USA
- Department of Radiological Sciences, University of California - Los Angeles, Los Angeles, California, USA
- Department of Bioengineering, University of California - Los Angeles, Los Angeles, California, USA
- Department of Chemical and Biomolecular Engineering, University of California - Los Angeles, Los Angeles, California, USA
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21
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Xiang Y, Wang W, Gao Y, Zhang J, Zhang J, Bai Z, Zhang S, Yang Y. Production and Characterization of an Integrated Multi-Layer 3D Printed PLGA/GelMA Scaffold Aimed for Bile Duct Restoration and Detection. Front Bioeng Biotechnol 2020; 8:971. [PMID: 32984274 PMCID: PMC7479063 DOI: 10.3389/fbioe.2020.00971] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 07/27/2020] [Indexed: 11/28/2022] Open
Abstract
We successfully fabricated artificial bile duct via 3D printing technique which was composed of poly (lactic-co-glycolic acid) (PLGA) and gelatin methacrylate (GelMA). The PLGA-inner layer provided sufficient strength to support the bile duct contraction, the GelMA-outer layer possessed good biocompatibility to provide a good living environment for the cells. Moreover, IKVAV laminin peptide (Ile-Lys-Val-Ala-Val) and ultrasmall superparamagnetic iron oxide (USPIO) were used to regulate scaffold cell adhesion and magnetic resonance imaging (MRI) detection, respectively. After BMSCs co-culture with IKVAV at a certain concentration, the survival rate and adhesion of BMSCs was increased obviously. Meanwhile, the fabricated scaffold exhibited the tensile modulus in the range of 17.19 - 29.05 MPa and the compressive modulus in the range of 0.042 - 0.066 MPa, which could meet the needs of human implantation. In an animal experiment in vivo pig bile duct regeneration, PLGA/GelMA/IKVAV/USPIO duct conduits could promote bile duct regeneration and enhance cytokeratin 19 (CK19) expression. In summary, the composite bile duct scaffold with excellent MRI imaging function and biocompatibility could be used to develop bioactive artificial bile ducts.
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Affiliation(s)
- Yang Xiang
- Department of Hepatobiliary Surgery, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
- Department of Urology Surgery, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Weijia Wang
- School of Metallurgy and Environment, Central South University, Changsha, China
| | - Yuanhui Gao
- Central Laboratory, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Jianquan Zhang
- Department of Hepatobiliary Surgery, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Jing Zhang
- Department of Obstetrics and Gynecology, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Zhiming Bai
- Department of Urology Surgery, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Shufang Zhang
- Central Laboratory, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Yijun Yang
- Department of Hepatobiliary Surgery, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
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22
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Mancha Sánchez E, Gómez-Blanco JC, López Nieto E, Casado JG, Macías-García A, Díaz Díez MA, Carrasco-Amador JP, Torrejón Martín D, Sánchez-Margallo FM, Pagador JB. Hydrogels for Bioprinting: A Systematic Review of Hydrogels Synthesis, Bioprinting Parameters, and Bioprinted Structures Behavior. Front Bioeng Biotechnol 2020; 8:776. [PMID: 32850697 PMCID: PMC7424022 DOI: 10.3389/fbioe.2020.00776] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 06/18/2020] [Indexed: 12/23/2022] Open
Abstract
Nowadays, bioprinting is rapidly evolving and hydrogels are a key component for its success. In this sense, synthesis of hydrogels, as well as bioprinting process, and cross-linking of bioinks represent different challenges for the scientific community. A set of unified criteria and a common framework are missing, so multidisciplinary research teams might not efficiently share the advances and limitations of bioprinting. Although multiple combinations of materials and proportions have been used for several applications, it is still unclear the relationship between good printability of hydrogels and better medical/clinical behavior of bioprinted structures. For this reason, a PRISMA methodology was conducted in this review. Thus, 1,774 papers were retrieved from PUBMED, WOS, and SCOPUS databases. After selection, 118 papers were analyzed to extract information about materials, hydrogel synthesis, bioprinting process, and tests performed on bioprinted structures. The aim of this systematic review is to analyze materials used and their influence on the bioprinting parameters that ultimately generate tridimensional structures. Furthermore, a comparison of mechanical and cellular behavior of those bioprinted structures is presented. Finally, some conclusions and recommendations are exposed to improve reproducibility and facilitate a fair comparison of results.
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Affiliation(s)
- Enrique Mancha Sánchez
- Bioengineering and Health Technologies Unit, Minimally Invasive Surgery Centre Jesús Usón, Cáceres, Spain
| | - J. Carlos Gómez-Blanco
- Bioengineering and Health Technologies Unit, Minimally Invasive Surgery Centre Jesús Usón, Cáceres, Spain
| | - Esther López Nieto
- Stem Cells Unit, Minimally Invasive Surgery Centre Jesús Usón, Cáceres, Spain
| | - Javier G. Casado
- Stem Cells Unit, Minimally Invasive Surgery Centre Jesús Usón, Cáceres, Spain
| | | | - María A. Díaz Díez
- School of Industrial Engineering, University of Extremadura, Badajoz, Spain
| | | | | | | | - J. Blas Pagador
- Bioengineering and Health Technologies Unit, Minimally Invasive Surgery Centre Jesús Usón, Cáceres, Spain
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23
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Sharma A, Bhat S, Dasgupta D, Samantara L, Kalyanachakravarthi K, Manchanda B, Shah C, Saxena A, Choudhury V, Mondal T. Structure–property correlation of silicone hydrogels based on 3‐[tris(trimethylsilyloxy)silyl]propyl methacrylate monomer. J Appl Polym Sci 2020. [DOI: 10.1002/app.49198] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Asmita Sharma
- Corporate R&DMomentive Performance Materials (India) Pvt. Ltd. Bangalore India
| | - Shreedhar Bhat
- Corporate R&DMomentive Performance Materials (India) Pvt. Ltd. Bangalore India
| | - Debarshi Dasgupta
- Corporate R&DMomentive Performance Materials (India) Pvt. Ltd. Bangalore India
| | - Laxmi Samantara
- Corporate R&DMomentive Performance Materials (India) Pvt. Ltd. Bangalore India
| | | | - Bindu Manchanda
- Department of Material Science and EngineeringIndian Institute of Technology New Delhi India
| | - Chetan Shah
- Corporate R&DMomentive Performance Materials (India) Pvt. Ltd. Bangalore India
| | - Anubhav Saxena
- Corporate R&DMomentive Performance Materials (India) Pvt. Ltd. Bangalore India
| | - Veena Choudhury
- Department of Material Science and EngineeringIndian Institute of Technology New Delhi India
| | - Titash Mondal
- Corporate R&DMomentive Performance Materials (India) Pvt. Ltd. Bangalore India
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Di Marzio N, Eglin D, Serra T, Moroni L. Bio-Fabrication: Convergence of 3D Bioprinting and Nano-Biomaterials in Tissue Engineering and Regenerative Medicine. Front Bioeng Biotechnol 2020; 8:326. [PMID: 32373603 PMCID: PMC7179330 DOI: 10.3389/fbioe.2020.00326] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2020] [Accepted: 03/25/2020] [Indexed: 11/29/2022] Open
Abstract
3D Bioprinting (3DBP) technologies open many possibilities for the generation of highly complex cellularized constructs. Nano-biomaterials have been largely used in tissue engineering and regenerative medicine (TERM) for different purposes and functions depending on their intrinsic properties and how they have been presented in the biologic environment. Combination of bioprinting and nano-biomaterials paves the way for unexpected opportunities in the biofabrication scenario, by improving critical weakness of these manufacturing processes while enhancing their efficiency by spatially arranging nano-features. 3D organization of cells is fundamental for a successful design and maturation of native tissues. A critical challenge for the production of biological constructs is to support and guide cell growth toward their natural microenvironment, ensuring a harmonious presence of specific biochemical and biophysical cues to direct cell behavior. Also, precise arrays of stimuli need to be designed to induce stem cell differentiation toward specific tissues. Introducing nano-sized bioactive material can direct cell fate, playing a role in the differentiation process and leading to the biofabrication of functional structures. Nano-composite bio-ink can be used to generate cell instructive scaffolds or either directly printed with cells. In addition, the presence of nano-particles within 3D printed constructs can lead to control them through multiple external physical stimuli, representing an additional tool for healthcare applications. Finally, there is an emerging interest to create biological constructs having active properties, such as sensing, motion or shape modification. In this review, we highlight how introducing nano-biomaterials in bioprinting approaches leads to promising strategies for tissue regeneration.
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Affiliation(s)
- Nicola Di Marzio
- AO Research Institute, Davos, Switzerland.,Department of Health Sciences, Università del Piemonte Orientale (UPO), Novara, Italy
| | | | | | - Lorenzo Moroni
- Institute for Technology-Inspired Regenerative Medicine, Maastricht University, Maastricht, Netherlands
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Van Hoorick J, Tytgat L, Dobos A, Ottevaere H, Van Erps J, Thienpont H, Ovsianikov A, Dubruel P, Van Vlierberghe S. (Photo-)crosslinkable gelatin derivatives for biofabrication applications. Acta Biomater 2019; 97:46-73. [PMID: 31344513 DOI: 10.1016/j.actbio.2019.07.035] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 06/20/2019] [Accepted: 07/19/2019] [Indexed: 12/28/2022]
Abstract
Over the recent decades gelatin has proven to be very suitable as an extracellular matrix mimic for biofabrication and tissue engineering applications. However, gelatin is prone to dissolution at typical cell culture conditions and is therefore often chemically modified to introduce (photo-)crosslinkable functionalities. These modifications allow to tune the material properties of gelatin, making it suitable for a wide range of biofabrication techniques both as a bioink and as a biomaterial ink (component). The present review provides a non-exhaustive overview of the different reported gelatin modification strategies to yield crosslinkable materials that can be used to form hydrogels suitable for biofabrication applications. The different crosslinking chemistries are discussed and classified according to their mechanism including chain-growth and step-growth polymerization. The step-growth polymerization mechanisms are further classified based on the specific chemistry including different (photo-)click chemistries and reversible systems. The benefits and drawbacks of each chemistry are also briefly discussed. Furthermore, focus is placed on different biofabrication strategies using either inkjet, deposition or light-based additive manufacturing techniques, and the applications of the obtained 3D constructs. STATEMENT OF SIGNIFICANCE: Gelatin and more specifically gelatin-methacryloyl has emerged to become one of the gold standard materials as an extracellular matrix mimic in the field of biofabrication. However, also other modification strategies have been elaborated to take advantage of a plethora of crosslinking chemistries. Therefore, a review paper focusing on the different modification strategies and processing of gelatin is presented. Particular attention is paid to the underlying chemistry along with the benefits and drawbacks of each type of crosslinking chemistry. The different strategies were classified based on their basic crosslinking mechanism including chain- or step-growth polymerization. Within the step-growth classification, a further distinction is made between click chemistries as well as other strategies. The influence of these modifications on the physical gelation and processing conditions including mechanical properties is presented. Additionally, substantial attention is put to the applied photoinitiators and the different biofabrication technologies including inkjet, deposition or light-based technologies.
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Affiliation(s)
- Jasper Van Hoorick
- Polymer Chemistry & Biomaterials Group - Centre of Macromolecular Chemistry (CMaC) - Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281, S4-Bis, 9000 Ghent, Belgium; Brussels Photonics (B-PHOT) - Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, 1050 Brussels, Belgium
| | - Liesbeth Tytgat
- Polymer Chemistry & Biomaterials Group - Centre of Macromolecular Chemistry (CMaC) - Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281, S4-Bis, 9000 Ghent, Belgium; Brussels Photonics (B-PHOT) - Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, 1050 Brussels, Belgium
| | - Agnes Dobos
- Research Group 3D Printing and Biofabrication, Institute of Materials Science and Technology, TU Wien, Getreidemarkt 9, 1060 Vienna, Austria
| | - Heidi Ottevaere
- Brussels Photonics (B-PHOT) - Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, 1050 Brussels, Belgium
| | - Jürgen Van Erps
- Brussels Photonics (B-PHOT) - Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, 1050 Brussels, Belgium
| | - Hugo Thienpont
- Brussels Photonics (B-PHOT) - Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, 1050 Brussels, Belgium
| | - Aleksandr Ovsianikov
- Research Group 3D Printing and Biofabrication, Institute of Materials Science and Technology, TU Wien, Getreidemarkt 9, 1060 Vienna, Austria
| | - Peter Dubruel
- Polymer Chemistry & Biomaterials Group - Centre of Macromolecular Chemistry (CMaC) - Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281, S4-Bis, 9000 Ghent, Belgium
| | - Sandra Van Vlierberghe
- Polymer Chemistry & Biomaterials Group - Centre of Macromolecular Chemistry (CMaC) - Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281, S4-Bis, 9000 Ghent, Belgium; Brussels Photonics (B-PHOT) - Department of Applied Physics and Photonics, Vrije Universiteit Brussel and Flanders Make, Pleinlaan 2, 1050 Brussels, Belgium.
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26
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Galliger Z, Vogt CD, Panoskaltsis-Mortari A. 3D bioprinting for lungs and hollow organs. Transl Res 2019; 211:19-34. [PMID: 31150600 PMCID: PMC6702089 DOI: 10.1016/j.trsl.2019.05.001] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 05/09/2019] [Accepted: 05/14/2019] [Indexed: 12/12/2022]
Abstract
Three-dimensional bioprinting has been gaining attention as a potential method for creating biological tissues, supplementing the current arsenal of tissue engineering techniques. 3D bioprinting raises the possibility of reproducibly creating complex macro- and microscale architectures using multiple different cell types. This is promising for creation of multilayered hollow organs, which has been challenging using more traditional tissue engineering techniques. In this review, the state of the field in bioprinting of epithelialized hollow and tubular organs is discussed. Most of the progress for the pulmonary system has been restricted to the trachea. Due to the gross structural similarities and common engineering challenges when creating any epithelialized hollow organ, this review also covers current progress in printing within the gastrointestinal and genitourinary systems, as well as applications of traditional plastic printing in engineering these tissues.
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Affiliation(s)
- Zachary Galliger
- University of Minnesota, Department of Pediatrics, Minneapolis, Minnesota
| | - Caleb D Vogt
- University of Minnesota, Department of Pediatrics, Minneapolis, Minnesota
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Guo JL, Kim YS, Mikos AG. Biomacromolecules for Tissue Engineering: Emerging Biomimetic Strategies. Biomacromolecules 2019; 20:2904-2912. [PMID: 31282658 DOI: 10.1021/acs.biomac.9b00792] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Biomacromolecules used for tissue engineering must possess either inherent biochemical cues for tissue regeneration or be chemically modified to incorporate bioactive, tissue-specific moieties. To this end, many strategies have emerged recently in the field to both utilize novel bioinspired macromolecules for tissue engineering and apply bioconjugation strategies for the functionalization of biomacromolecules with tissue-specific cues and other biological properties of interest. Furthermore, biomacromolecules have been processed into more highly biomimetic and clinically deliverable scaffold and hydrogel systems using 3D printing and the fabrication of in situ forming hydrogels, respectively. To support these advances, tissue engineers have also pursued greater spatiotemporal control over macromolecular bioactivity and the modulation of scaffold and hydrogel properties in response to both physiological and external stimuli. This Perspective thus highlights a few notable advances and techniques in the usage of biomacromolecules for tissue engineering applications, including new bioinspired macromolecules, advanced hydrogel and scaffold fabrication techniques, and spatiotemporal control over biomacromolecule constructs.
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Affiliation(s)
- Jason L Guo
- Department of Bioengineering , Rice University , 6500 Main Street , Houston , Texas 77030 , United States
| | - Yu Seon Kim
- Department of Bioengineering , Rice University , 6500 Main Street , Houston , Texas 77030 , United States
| | - Antonios G Mikos
- Department of Bioengineering , Rice University , 6500 Main Street , Houston , Texas 77030 , United States
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Booth R, Insua I, Bhak G, Montenegro J. Self-assembled micro-fibres by oxime connection of linear peptide amphiphiles. Org Biomol Chem 2019; 17:1984-1991. [PMID: 30387798 DOI: 10.1039/c8ob02243g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Linear peptide amphiphiles are excellent biocompatible scaffolds for the hierarchical self-assembly of one-dimensional nano-structures in aqueous media. However, their structural exploration and screening of self-assembling properties are often limited by time-consuming synthesis and purification steps. We here describe the application of an oxime bond as a powerful synthetic tool towards the conjugation of peptide heads bearing a hydroxylamine group with hydrophobic aldehyde tails. This methodology allowed the quick preparation of a small library of oxime-connected peptide amphiphiles, whose supramolecular screening revealed nano-to-micro-fibrillation with dependency on their chemical structure. These results demonstrate the simplicity and the synthetic potential of the oxime conjugation for the preparation of peptide amphiphiles with improved self-assembling capabilities.
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Affiliation(s)
- Richard Booth
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS), Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
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29
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Directing the growth and alignment of biliary epithelium within extracellular matrix hydrogels. Acta Biomater 2019; 85:84-93. [PMID: 30590182 DOI: 10.1016/j.actbio.2018.12.039] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Revised: 12/04/2018] [Accepted: 12/21/2018] [Indexed: 12/13/2022]
Abstract
Three-dimensional (3D) printing of decellularized extracellular matrix (dECM) hydrogels is a promising technique for regenerative engineering. 3D-printing enables the reproducible and precise patterning of multiple cells and biomaterials in 3D, while dECM has high organ-specific bioactivity. However, dECM hydrogels often display poor printability on their own and necessitate additives or support materials to enable true 3D structures. In this study, we used a sacrificial material, 3D-printed Pluronic F-127, to serve as a platform into which dECM hydrogel can be incorporated to create specifically designed structures made entirely up of dECM. The effects of 3D dECM are studied in the context of engineering the intrahepatic biliary tree, an often-understudied topic in liver tissue engineering. Encapsulating biliary epithelial cells (cholangiocytes) within liver dECM has been shown to lead to the formation of complex biliary trees in vitro. By varying several aspects of the dECM structures' geometry, such as width and angle, we show that we can guide the directional formation of biliary trees. This is confirmed by computational 3D image analysis of duct alignment. This system also enables fabrication of a true multi-layer dECM structure and the formation of 3D biliary trees into which other cell types can be seeded. For example, we show that hepatocyte spheroids can be easily incorporated within this system, and that the seeding sequence influences the resulting structures after seven days in culture. STATEMENT OF SIGNIFICANCE: The field of liver tissue engineering has progressed significantly within the past several years, however engineering the intrahepatic biliary tree has remained a significant challenge. In this study, we utilize the inherent bioactivity of decellularized extracellular matrix (dECM) hydrogels and 3D-printing of a sacrificial biomaterial to create spatially defined, 3D biliary trees. The creation of patterned, 3D dECM hydrogels in the past has only been possible with additives to the gel that may stifle its bioactivity, or with rigid and permanent support structures that may present issues upon implantation. Additionally, the biological effect of 3D spatially patterned liver dECM has not been demonstrated independent of the effects of dECM bioactivity alone. This study demonstrates that sacrificial materials can be used to create pure, multi-layer dECM structures, and that strut width and angle can be changed to influence the formation and alignment of biliary trees encapsulated within. Furthermore, this strategy allows co-culture of other cells such as hepatocytes. We demonstrate that not only does this system show promise for tissue engineering the intrahepatic biliary tree, but it also aids in the study of duct formation and cell-cell interactions.
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30
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Valot L, Martinez J, Mehdi A, Subra G. Chemical insights into bioinks for 3D printing. Chem Soc Rev 2019; 48:4049-4086. [DOI: 10.1039/c7cs00718c] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Dedicated chemical strategies are required to form hydrogel networks from bioink components, allowing cell survival during 3D bioprinting processes.
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31
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Abstract
In part 1 of this article, the authors explore nanoscale modifications of the surfaces of biomaterials, which offer an exciting potential venue for the prevention of bacterial adhesion and growth. Despite advances in the design and manufacture of implants, infection remains an important and often devastating mode of failure. In part 2, additive technologies for tissue engineering, live cell printing (bioprinting), and tissue fabrication are briefly introduced. The similarities and differences between bioprinting and non-bio 3D-printing approaches and requirements are discussed, along with terminological definitions, current processes, requirements, and biomaterial and cell-type selection and sourcing.
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Affiliation(s)
- Felasfa M Wodajo
- Virginia Cancer Specialists, 8503 Arlington Boulevard, Suite 400, Fairfax, VA 22031, USA; Orthopedic Surgery, VCU School of Medicine, Inova Campus, Fairfax, VA 22042, USA; Orthopedic Surgery, Georgetown University Hospital, Washington, DC 20007, USA.
| | - Adam E Jakus
- Dimension Inx LLC, 303 East Superior Street, 11th Floor, Chicago, IL 60611, USA
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