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Ink-structing the future of vascular tissue engineering:a review of the physiological bioink design

Bio-Design and Manufacturing 2024年第2期7卷 181-205页

作者： Judith Synofzik Sebastian Heene Rebecca Jonczyk Cornelia Blume Institute for Technical Chemistry Leibniz University Hannover30167 HannoverGermany

Three-dimensional(3D)printing and bioprinting have come into view for a plannable and standardizable generation of implantable tissue-engineered constructs that can substitute native tissues and *** tissue-engineered structures are intended to integrate with the patient’s *** tissue engineering(TE)is relevant in TE because it supports the sustained oxygenization and nutrition of all tissue-engineered *** have a specific role,representingthenecessarymedium for printability and vascular cell *** review aims to understand the requirements for the design of vascular ***,an in-depth analysis of vascular cell interaction with their native environment must be gained.A physiological bioink suitable for a tissue-engineered vascular graft(TEVG)must not only ensure good printability but also induce cells to behave like in a native vascular vessel,including self-regenerative and growth *** review describes the general structure of vascular walls with wall-speciﬁc cell and extracellular matrix(ECM)components and biomechanical properties and ***,the physiological role of vascular ECM components for their interaction with vascular cells and the mode of interaction is *** currently available or imaginable bioinks are described from physiological matrix proteins to nonphysiologically occurring but natural chemical compounds useful for vascular *** physiological performance of these bioinks is evaluated with regard to biomechanical properties postprinting,with a view to current animal studies of 3D printed vascular ***,the main challenges for further bioink development,suitable bioink components to create a self-assembly bioink concept,and future bioprinting strategies are *** concepts are discussed in terms of their suitability to be part of a TEVG with a high potential for later clinical use.

关键词： Vascular wall histology Vascular cells Microenvironment Extracellular matrix Cell–matrix interaction bioink Printability

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An oxygenating colloidal bioink for the engineering of biomimetic tissue constructs

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Bio-Design and Manufacturing 2024年第3期7卷 240-261页

作者： Seol-Ha Jeong Jarno Hiemstra Patrick V.Blokzijl Rebeca Damian-Ferrara Danilo Martins dos Santos Jéssica H.L.da Fonseca Min-Ho Kang Jihyun Kim Dilara Yilmaz-Aykut Mei L.L.Cham-Pérez Jeroen Leijten Su Ryon Shin Division of Engineering in Medicine Department of MedicineBrigham and Women’s HospitalHarvard Medical SchoolBostonMA 02139USA Leijten Lab Department of Developmental BioEngineeringFaculty of Science and TechnologyTechnical Medical CentreUniversity of TwenteDrienerlolaan 57522 NB EnschedeThe Netherlands Nanotechnology National Laboratory for Agriculture(LNNA) Embrapa InstrumentaçãoSao CarlosSao Paulo 13560-970Brazil Department of Biomedical-Chemical Engineering The Catholic University of Korea43 Jibong-roBucheon-siGyeonggi-do 14662Republic of Korea Department of Biotechnology The Catholic University of Korea43 Jibong-roBucheon-siGyeonggi-do 14662Republic of Korea

Ensuring a sufficient oxygen supply is pivotal for the success of bioprinting applications since it fosters tissue integration and natural *** in oxygen concentration among diverse tissues necessitates the precise recreation of tissue-specific oxygen levels in imprinted constructs to support the survival of targeted *** oxygen-releasing biomaterials,such as oxygen-generating microparticles(OMPs),have shown promise for enhancing the oxygen supply of microenvironments in injured tissues,whether this approach is scalable for large tissues and whether tissue-specific bioinks with varying OMP concentrations remain printable remain *** study addresses this critical gap by introducing an innovative class of engineered oxygenated bioinks that combine colloidal-based microgels with *** report that incorporating nanosized calcium peroxide(nCaO_(2))and manganese oxide nanosheets(nMnO_(2))into hydrophobic polymeric microparticles enables precise modulation of oxygen release while controlling hydrogen peroxide ***,the fabrication of oxygenating and cytocompatible colloidal gels is achieved using an aqueous two-phase *** study thoroughly evaluates the fundamental characteristics of the resulting bioink,including its rheological behaviors,printability,shape fidelity,mechanical properties,and oxygen release ***,this study demonstrates the macroscopic scalability and cytocompatibility of printed constructs produced via cell-laden oxygenating colloidal *** showcasing the effectiveness of extrusion-based bioprinting,this study underscores how it can be used to fabricate biomimetic tissues,indicating its potential for new *** findings presented here advance the bioprinting field by achieving scalability with both high cell viability and the possibility of mimicking specifically oxygenated *** work thereby offers a promising avenue for the development of functional tissues with e

关键词： 3D bioprinting bioink Colloidal gels Extrusion printing Oxygen-generating microparticle

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Trends on physical understanding of bioink printability

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Bio-Design and Manufacturing 2019年第1期2卷 50-54页

作者： Jun Yin Dengke Zhao Jingyi Liu The State Key Laboratory of Fluid Power and Mechatronic Systems School of Mechanical Engineering Zhejiang University Hangzhou 310028 China Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province School of Mechanical Engineering. Zhejiang University Hangzhou 310028. China

Recently, 3D bioprinting is developed as an emerging approach, increasingly applied to materials for healthcare;while, the precise placement of cells and materials, and the shape fidelity of forming constructs is of great importance for successful application of 3D bioprinting. Research efforts have been made to develop new bioinks as "raw materials" with better biocompatibility and biofunctionality, but the printability of bioinks is largely ignored and still needs to be carefully examined to enable robotic bioprinting. This article aims to introduce a recent published review (Appl. Phys. Rev. 2018, 5, 041304) on the evaluation of bioink printability by Huang's research group from University of Florida. Huang et al. comprehensively reviewed the bioink printability based on the physical point of view during inkjet printing, laser printing, and microextrusion, and a series of self-consistent time scales and dimensi on less quantities were utilized to physically understand and evaluate bioink printability. This article would be helpful to know the trends on physical understanding of bioink printability.

关键词： bioink 3D bioprinting Printability Timescale Dimensionless numbers Phase diagram

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A facile,versatile hydrogel bioink for 3D bioprinting benefits long-term subaqueous fidelity,cell viability and proliferation

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Regenerative Biomaterials 2021年第3期8卷 141-155页

作者： Hongqing Chen Fei Fei Xinda Li Zhenguo Nie Dezhi Zhou Libiao Liu Jing Zhang Haitao Zhang Zhou Fei Tao Xu Department of Neurosurgery Xijing HospitalFourth Military Medical UniversityXi’an 710032China Department of Neurosurgery Central Theater General HospitalWuhan 430010China Department of Ophthalmology Xijing HospitalFourth Military Medical UniversityXi’an 710032China Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing Department of Mechanical EngineeringTsinghua UniversityBeijing 100084China Key Laboratory for Advanced Materials Processing Technology Ministry of EducationDepartment of Mechanical EngineeringTsinghua UniversityBeijing 100084China Department of Neurosurgery Sichuan Provincial People’s HospitalUniversity of Electronic Science and Technology of ChinaChengdu 610072China Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital Chengdu 610072China Department of Orthopedics Fourth medical center of PLA general hospitalBeijing 100048China East China Institute of Digital Medical Engineering Shangrao 334000China Department of Precision Medicine and Healthcare Tsinghua-Berkeley Shenzhen InstituteShenzhen 518055China

Both of the long-term fidelity and cell viability of three-dimensional(3D)-bioprinted constructs are essential to precise soft tissue ***,the shrinking/swelling behavior of hydrogels brings about inadequate long-term fidelity of constructs,and bioinks containing excessive polymer are detrimental to cell ***,we obtained a facile hydrogel by introducing 1%aldehyde hyaluronic acid(AHA)and 0.375%N-carboxymethyl chitosan(CMC),two polysaccharides with strong water absorption and water retention capacity,into classic gelatin(GEL,5%)–alginate(ALG,1%)*** GEL–ALG/CMC/AHA bioink possesses weak temperature dependence due to the Schiff base linkage of CMC/AHA and electrostatic interaction of CMC/*** fabricated integrated constructs through traditional printing at room temperature and in vivo simulation printing at *** printed cell-laden constructs can maintain subaqueous fidelity for 30 days after being reinforced by 3%calcium chloride for only 20 *** cytometry results showed that the cell viability was 91.3861.55%on day 29,and the cells in the proliferation plateau at this time still maintained their dynamic renewal with a DNA replication rate of 6.0661.24%.This work provides a convenient and practical bioink option for 3D bioprinting in precise soft tissue repair.

关键词： bioink bioprinting subaqueous fidelity cell viability

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Visible Light-Induced 3D Bioprinting Technologies and Corresponding bioink Materials for Tissue Engineering: A Review

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Engineering 2021年第7期7卷 966-978页

作者： Zizhuo Zheng David Eglin Mauro Alini Geoff RRichards Ling Qin Yuxiao Lai Centre for Translational Medicine Research and Development Shenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China Key Laboratory of Health Informatics Shenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China AO Research Institute Davos CH-7270Switzerland Musculoskeletal Research Laboratory Department of Orthopedics and TraumatologyThe Chinese University of Hong KongHong Kong 999077China Guangdong Engineering Laboratory of Biomaterials Additive Manufacturing Shenzhen 518055China

Three-dimensional(3D)bioprinting based on traditional 3D printing is an emerging technology that is used to precisely assemble biocompatible materials and cells or bioactive factors into advanced tissue engineering *** technology,particularly photo-cured bioprinting strategies,plays an important role in the field of tissue engineering *** successful implementation of 3D bioprinting is based on the properties of photopolymerized *** hydrogel is an attractive biomaterial that is polymerized rapidly and enables process control in space and *** is frequently initiated by ultraviolet(UV)or visible ***,UV light may cause cell damage and thereby,affect cell ***,visible light is considered to be more biocompatible than UV light for *** this review,we provide an overview of photo curing-based bioprinting technologies,and describe a visible light crosslinkable bioink,including its crosslinking mechanisms,types of visible light initiator,and biomedical *** also discuss existing challenges and prospects of visible light-induced 3D bioprinting devices and hydrogels in biomedical areas.

关键词： Medical additive manufacturing bioink Tissue engineering 3D bioprinting

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A structure-supporting,self-healing,and high permeating hydrogel bioink for establishment of diverse homogeneous tissue-like constructs

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Bioactive Materials 2021年第10期6卷 3580-3595页

作者： Hongqing Chen Fei Fei Xinda Li Zhenguo Nie Dezhi Zhou Libiao Liu Jing Zhang Haitao Zhang Zhou Fei Tao Xu Department of Neurosurgery Xijing HospitalFourth Military Medical UniversityXi’an710032People’s Republic of China Department of Neurosurgery Central Theater General HospitalWuhan430010People’s Republic of China Department of Ophthalmology Xijing HospitalFourth Military Medical UniversityXi’an710032People’s Republic of China Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing Department of Mechanical EngineeringTsinghua UniversityBeijing100084People’s Republic of China Key Laboratory for Advanced Materials Processing Technology Ministry of EducationDepartment of Mechanical EngineeringTsinghua UniversityBeijing100084People’s Republic of China Department of Neurosurgery Sichuan Provincial People’s HospitalUniversity of Electronic Science and Technology of ChinaChengdu610072China Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital Chengdu610072China Department of Orthopedics Fourth Medical Center of PLA General Hospital100048BeijingPeople’s Republic of China East China Institute of Digital Medical Engineering Shangrao334000People’s Republic of China Department of Precision Medicine and Healthcare Tsinghua-Berkeley Shenzhen InstituteShenzhen518055People’s Republic of China

The ready-to-use,structure-supporting hydrogel bioink can shorten the time for ink preparation,ensure cell dispersion,and maintain the preset shape/microstructure without additional assistance during ***,ink with high permeability might facilitate uniform cell growth in biological constructs,which is beneficial to homogeneous tissue ***,current bioinks are hard to meet these requirements simultaneously in a simple ***,based on the fast dynamic crosslinking of aldehyde hyaluronic acid(AHA)/N-carboxymethyl chitosan(CMC)and the slow stable crosslinking of gelatin(GEL)/4-arm poly(ethylene glycol)succinimidyl glutarate(PEG-SG),we present a time-sharing structure-supporting(TSHSP)hydrogel bioink with high permeability,containing 1%AHA,0.75%CMC,1%GEL and 0.5%*** TSHSP hydrogel can facilitate printing with proper viscoelastic property and self-healing *** crosslinking with 4%PEG-SG for only 3 min,the integrity of the cell-laden construct can last for 21 days due to the stable internal and external GEL/PEG-SG networks,and cells manifested long-term viability and spreading ***-like,muscle-like,and cartilage-like in vitro constructs exhibited homogeneous cell growth and remarkable biological *** work provides not only a convenient and practical bioink for tissue engineering,targeted cell therapy,but also a new direction for hydrogel bioink development.

关键词： Time-sharing structure-supporting High permeability bioink Homogeneous cell growth Tissue-like constructs

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3D-printable supramolecular hydrogels with shear-thinning property: fabricating strength tunable bioink via dual crosslinking

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Bioactive Materials 2020年第4期5卷 808-818页

作者： Tian Hu Xiaoliang Cui Meng Zhu Man Wu Ye Tian Bin Yao Wei Song Zhongwei Niu Sha Huang Xiaobing Fu Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department PLA General Hospital and PLA Medical College28 Fu Xing RoadBeijing100853PR China PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury Repair and RegenerationResearch Unit of Trauma CareTissue Repair and RegenerationChinese Academy of Medical Sciences2019RU05151 Fu Cheng RoadBeijing100048PR China Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing100190China Chinese Academy of Medical Sciences(CAMS)Oxford Institute Nuffield Department of MedicineUniversity of OxfordOxford OX39DSUK School of Future Technology University of Chinese Academy of SciencesBeijing100049PR China

3-dimensional(3D)bioprinting technology provides promising strategy in the fabrication of artificial tissues and *** the fundamental element in bioprinting process,preparation of bioink with ideal mechanical properties without sacrifice of biocompatibility is a great *** this study,a supramolecular hydrogel-based bioink is prepared by polyethylene glycol(PEG)grafted chitosan,α-cyclodextrin(α-CD)and *** has a primary crosslinking structure through the aggregation of the pseudo-polyrotaxane-like side chains,which are formed from the host-guest interactions betweenα-CD and PEG side *** viscosity measurement shows the shear-shinning property of this bioink,which might be due to the reversibility of the physical ***,withβ-glycerophosphate at different concentrations as the secondary crosslinking agent,the printed constructs demonstrate different Young's modulus(pbioink may have impact on the cell fate of mesenchymal stem cells(pbioink in the application of re-establishing complicated tissues and organs.

关键词： Supramolecular hydrogel bioink Tunable strength 3D bioprinting

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3D Printing bioink Preparation and Application in Cartilage Tissue Reconstruction in Vitro

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Journal of Shanghai Jiaotong university(Science) 2021年第3期26卷 267-271页

作者：孙彬彬韩煜姜闻博戴尅戎 Department of Orthopaedic Surgery Shanghai Key Laboratory of Orthopaedic ImplantsClinical and Translational Research Center for 3D Printing TechnologyShanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineShanghai200011China

Three-dimensional(3D)bioprinting technology has great potential for application in the treatment of cartilage ***,the preparation of biocompatible and stable bioinks is still a major *** this study,decellularized extracellular matrix(dECM)of soft tissue was used as the basic material to prepare the *** results showed that this novel dECM-derived bioink had good printing performance and comprised a large number of fine *** characterization revealed that the bioink was compatible with the growth of chondrocytes and that the nanofibrous structure greatly promoted cell *** and immunohistochemical analyses showed that the in vitro printed cartilage displayed the presence of characteristic cartilage ***,a new preparation method for dECM-derived bioink with potential application in generation of cartilage was developed in this study.

关键词： bioink cartilage 3D printing tissue engineering biomaterials

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3D bioprinting of collagen-based materials for oral medicine

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Collagen and Leather 2024年第1期5卷 28-46页

作者： Bosen Yang Hai Liu Linli Jiang Yiwei Zeng Yiyuan Han Chuanlu Sha Xin Xie Hui Li Jiajing Zhou Wei Lin College of Biomass Science and Engineering Key Laboratory of Leather Chemistry and Engineering of Ministry of EducationNational Engineering Laboratory for Clean Technology of Leather ManufactureSichuan UniversityChengdu 610065China State Key Laboratory of Oral Diseases National Clinical Research Center for Oral DiseasesDepartment of Oral and Maxillofacial SurgeryWest China Hospital of StomatologySichuan UniversityChengdu 610065China Laboratory for Biomaterials and Drug Delivery Department of AnesthesiologyDivision of Critical Care MedicineBoston Children's HospitalHarvard Medical SchoolBostonMA 02115USA

Oral diseases have emerged as one of the leading public health challenges *** the existing clinical modalities for restoration of dental tissue loss and craniomaxillofacial injuries can achieve satisfactory therapeutic results,they cannot fully restore the original complex anatomical structure and physiological function of the tissue.3D printing of biological tissues has gained growing interest in the field of oral medicine with the ability to control the bioink component and printing structure for spatially heterogeneous repairing constructs,holding enormous promise for the precise treatment of oral ***,collagen-based materials have been recognized as promising biogenic bioinks for the regeneration of several tissues with high cell-activating and biocompatible *** this review,we summarize 3D printing methods for collagen-based biomaterials and their ***,we highlight the animal sources of collagen and their characteristics,as well as the methods of collagen ***,this review provides an overview of the 3D bioprinting technology for the regeneration of the pulpal nerve and blood vessels,cartilage,and periodontal *** envision that this technique opens up immense opportunities over the conventional ones,with high replicability and customized function,which can ultimately promote effective oral tissue regeneration.

关键词： 3D bioprinting Oral medicine Tissue engineering Collagen Scaffold materials bioink Hydrogel

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蚕丝基生物材料精准和功能性组装的3D打印策略

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Engineering 2024年第3期34卷 92-108页

作者： Xiaoliang Cui Jun Zhang Yan Qian Siqi Chang Benjamin J.Allardyce Rangam Rajkhowa Hui Wang Ke-Qin Zhang National Engineering Laboratory for Modern Silk College of Textile and Clothing EngineeringSoochow UniversitySuzhou 215123China Institute for Frontier Materials Deakin UniversityGeelongVIC 3216Australia

In recent years,significant progress has been made in both three-dimensional(3D)printing technologies and the exploration of silk as an ink to produce biocompatible *** with the unlimited design potential of 3D printing,silk can be processed into a broad range of functional materials and devices for various biomedical *** ability of silk to be processed into various materials,including solutions,hydrogels,particles,microspheres,and fibers,makes it an excellent candidate for adaptation to different 3D printing *** review presents a didactic overview of the 3D printing of silk-based materials,major categories of printing techniques,and their prototyping mechanisms and structural *** addition,we provide a roadmap for researchers aiming to incorporate silk printing into their own work by summarizing promising strategies from both technical and material aspects,to relate state-of-the-art silk-based material processing with fast-developing 3D printing ***,our focus is on elucidating the techniques and strategies that advance the development of precise assembly strategies for silk-based *** printing(including high printing resolution,complex structure realization,and printing fidelity)is a prerequisite for the digital design capability of 3D printing technology and would definitely broaden the application era of silk,such as complex biomimetic tissue structures,vasculatures,and transdermal microneedles.

关键词： 3D printing bioink Bioprinting Silk fibroin

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