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Zhu Y, Yu X, Liu H, Li J, Gholipourmalekabadi M, Lin K, Yuan C, Wang P. Strategies of functionalized GelMA-based bioinks for bone regeneration: Recent advances and future perspectives. Bioact Mater 2024; 38:346-373. [PMID: 38764449 PMCID: PMC11101688 DOI: 10.1016/j.bioactmat.2024.04.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 04/07/2024] [Accepted: 04/29/2024] [Indexed: 05/21/2024] Open
Abstract
Gelatin methacryloyl (GelMA) hydrogels is a widely used bioink because of its good biological properties and tunable physicochemical properties, which has been widely used in a variety of tissue engineering and tissue regeneration. However, pure GelMA is limited by the weak mechanical strength and the lack of continuous osteogenic induction environment, which is difficult to meet the needs of bone repair. Moreover, GelMA hydrogels are unable to respond to complex stimuli and therefore are unable to adapt to physiological and pathological microenvironments. This review focused on the functionalization strategies of GelMA hydrogel based bioinks for bone regeneration. The synthesis process of GelMA hydrogel was described in details, and various functional methods to meet the requirements of bone regeneration, including mechanical strength, porosity, vascularization, osteogenic differentiation, and immunoregulation for patient specific repair, etc. In addition, the response strategies of smart GelMA-based bioinks to external physical stimulation and internal pathological microenvironment stimulation, as well as the functionalization strategies of GelMA hydrogel to achieve both disease treatment and bone regeneration in the presence of various common diseases (such as inflammation, infection, tumor) are also briefly reviewed. Finally, we emphasized the current challenges and possible exploration directions of GelMA-based bioinks for bone regeneration.
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Affiliation(s)
- Yaru Zhu
- School of Stomatology, Xuzhou Medical University, Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou, China
- Quanzhou Women's and Children's Hospital, Quanzhou, China
| | - Xingge Yu
- Department of Oral and Cranio-maxillofacial Science, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, China
| | - Hao Liu
- School of Stomatology, Xuzhou Medical University, Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou, China
| | - Junjun Li
- School of Stomatology, Xuzhou Medical University, Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou, China
| | - Mazaher Gholipourmalekabadi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Department of Medical Biotechnology, Faculty of Allied Medicine, Tehran, Iran
| | - Kaili Lin
- Department of Oral and Cranio-maxillofacial Science, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Research Unit of Oral and Maxillofacial Regenerative Medicine, Chinese Academy of Medical Sciences, Shanghai, China
| | - Changyong Yuan
- School of Stomatology, Xuzhou Medical University, Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou, China
| | - Penglai Wang
- School of Stomatology, Xuzhou Medical University, Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou, China
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2
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Pramanik S, Alhomrani M, Alamri AS, Alsanie WF, Nainwal P, Kimothi V, Deepak A, Sargsyan AS. Unveiling the versatility of gelatin methacryloyl hydrogels: a comprehensive journey into biomedical applications. Biomed Mater 2024; 19:042008. [PMID: 38768611 DOI: 10.1088/1748-605x/ad4df7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 05/20/2024] [Indexed: 05/22/2024]
Abstract
Gelatin methacryloyl (GelMA) hydrogels have gained significant recognition as versatile biomaterials in the biomedical domain. GelMA hydrogels emulate vital characteristics of the innate extracellular matrix by integrating cell-adhering and matrix metalloproteinase-responsive peptide motifs. These features enable cellular proliferation and spreading within GelMA-based hydrogel scaffolds. Moreover, GelMA displays flexibility in processing, as it experiences crosslinking when exposed to light irradiation, supporting the development of hydrogels with adjustable mechanical characteristics. The drug delivery landscape has been reshaped by GelMA hydrogels, offering a favorable platform for the controlled and sustained release of therapeutic actives. The tunable physicochemical characteristics of GelMA enable precise modulation of the kinetics of drug release, ensuring optimal therapeutic effectiveness. In tissue engineering, GelMA hydrogels perform an essential role in the design of the scaffold, providing a biomimetic environment conducive to cell adhesion, proliferation, and differentiation. Incorporating GelMA in three-dimensional printing further improves its applicability in drug delivery and developing complicated tissue constructs with spatial precision. Wound healing applications showcase GelMA hydrogels as bioactive dressings, fostering a conducive microenvironment for tissue regeneration. The inherent biocompatibility and tunable mechanical characteristics of GelMA provide its efficiency in the closure of wounds and tissue repair. GelMA hydrogels stand at the forefront of biomedical innovation, offering a versatile platform for addressing diverse challenges in drug delivery, tissue engineering, and wound healing. This review provides a comprehensive overview, fostering an in-depth understanding of GelMA hydrogel's potential impact on progressing biomedical sciences.
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Affiliation(s)
- Sheersha Pramanik
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
| | - Majid Alhomrani
- Department of Clinical Laboratory Sciences, The faculty of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif, Saudi Arabia
| | - Abdulhakeem S Alamri
- Department of Clinical Laboratory Sciences, The faculty of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif, Saudi Arabia
| | - Walaa F Alsanie
- Department of Clinical Laboratory Sciences, The faculty of Applied Medical Sciences, Taif University, Taif, Saudi Arabia
- Centre of Biomedical Sciences Research (CBSR), Deanship of Scientific Research, Taif University, Taif, Saudi Arabia
| | - Pankaj Nainwal
- School of Pharmacy, Graphic Era Hill University, Dehradun 248001, India
| | - Vishwadeepak Kimothi
- Himalayan Institute of Pharmacy and Research, Rajawala, Dehradun, Uttrakhand, India
| | - A Deepak
- Saveetha Institute of Medical and Technical Sciences, Saveetha School of Engineering, Chennai, Tamil Nadu 600128, India
| | - Armen S Sargsyan
- Scientific and Production Center 'Armbiotechnology' NAS RA, 14 Gyurjyan Str., Yerevan 0056, Armenia
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3
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Hashemi A, Ezati M, Nasr MP, Zumberg I, Provaznik V. Extracellular Vesicles and Hydrogels: An Innovative Approach to Tissue Regeneration. ACS OMEGA 2024; 9:6184-6218. [PMID: 38371801 PMCID: PMC10870307 DOI: 10.1021/acsomega.3c08280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 11/27/2023] [Accepted: 12/19/2023] [Indexed: 02/20/2024]
Abstract
Extracellular vesicles have emerged as promising tools in regenerative medicine due to their inherent ability to facilitate intercellular communication and modulate cellular functions. These nanosized vesicles transport bioactive molecules, such as proteins, lipids, and nucleic acids, which can affect the behavior of recipient cells and promote tissue regeneration. However, the therapeutic application of these vesicles is frequently constrained by their rapid clearance from the body and inability to maintain a sustained presence at the injury site. In order to overcome these obstacles, hydrogels have been used as extracellular vesicle delivery vehicles, providing a localized and controlled release system that improves their therapeutic efficacy. This Review will examine the role of extracellular vesicle-loaded hydrogels in tissue regeneration, discussing potential applications, current challenges, and future directions. We will investigate the origins, composition, and characterization techniques of extracellular vesicles, focusing on recent advances in exosome profiling and the role of machine learning in this field. In addition, we will investigate the properties of hydrogels that make them ideal extracellular vesicle carriers. Recent studies utilizing this combination for tissue regeneration will be highlighted, providing a comprehensive overview of the current research landscape and potential future directions.
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Affiliation(s)
- Amir Hashemi
- Department
of Biomedical Engineering, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 3082/12, 61600 Brno, Czech Republic
| | - Masoumeh Ezati
- Department
of Biomedical Engineering, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 3082/12, 61600 Brno, Czech Republic
| | - Minoo Partovi Nasr
- Department
of Biomedical Engineering, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 3082/12, 61600 Brno, Czech Republic
| | - Inna Zumberg
- Department
of Biomedical Engineering, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 3082/12, 61600 Brno, Czech Republic
| | - Valentine Provaznik
- Department
of Biomedical Engineering, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technicka 3082/12, 61600 Brno, Czech Republic
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4
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Alioglu MA, Yilmaz YO, Singh YP, Nagamine M, Celik N, Kim MH, Pal V, Gupta D, Ozbolat IT. Nested Biofabrication: Matryoshka-Inspired Intra-Embedded Bioprinting. SMALL METHODS 2023:e2301325. [PMID: 38111377 PMCID: PMC11187694 DOI: 10.1002/smtd.202301325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 12/04/2023] [Indexed: 12/20/2023]
Abstract
Engineering functional tissues and organs remains a fundamental pursuit in bio-fabrication. However, the accurate constitution of complex shapes and internal anatomical features of specific organs, including their intricate blood vessels and nerves, remains a significant challenge. Inspired by the Matryoshka doll, here a new method called "Intra-Embedded Bioprinting (IEB)" is introduced building upon existing embedded bioprinting methods. a xanthan gum-based material is used which served a dual role as both a bioprintable ink and a support bath, due to its unique shear-thinning and self-healing properties. IEB's capabilities in organ modeling, creating a miniaturized replica of a pancreas using a photocrosslinkable silicone composite is demonstrated. Further, a head phantom and a Matryoshka doll are 3D printed, exemplifying IEB's capability to manufacture intricate, nested structures. Toward the use case of IEB and employing an innovative coupling strategy between extrusion-based and aspiration-assisted bioprinting, a breast tumor model that included a central channel mimicking a blood vessel, with tumor spheroids bioprinted in proximity is developed. Validation using a clinically-available chemotherapeutic drug illustrated its efficacy in reducing the tumor volume via perfusion over time. This method opens a new way of bioprinting enabling the creation of complex-shaped organs with internal anatomical features.
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Affiliation(s)
- Mecit Altan Alioglu
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA, 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA, 16802, USA
| | - Yasar Ozer Yilmaz
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA, 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA, 16802, USA
- Department of Nanoscience and Nanoengineering, Istanbul Technical University, Istanbul, 34469, Turkey
| | - Yogendra Pratap Singh
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA, 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA, 16802, USA
| | - Momoka Nagamine
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA, 16802, USA
- Department of Chemistry, Penn State University, University Park, PA, 16802, USA
| | - Nazmiye Celik
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA, 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA, 16802, USA
| | - Myoung Hwan Kim
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA, 16802, USA
- Department of Biomedical Engineering, Penn State University, University Park, PA, 16802, USA
| | - Vaibhav Pal
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA, 16802, USA
- Department of Chemistry, Penn State University, University Park, PA, 16802, USA
| | - Deepak Gupta
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA, 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA, 16802, USA
| | - Ibrahim T Ozbolat
- The Huck Institutes of the Life Sciences, Penn State University, University Park, PA, 16802, USA
- Engineering Science and Mechanics Department, Penn State University, University Park, PA, 16802, USA
- Materials Research Institute, Penn State University, University Park, PA, 16802, USA
- Department of Neurosurgery, Penn State College of Medicine, Hershey, PA, 17033, USA
- Penn State Cancer Institute, Penn State University, Hershey, PA, 17033, USA
- Department of Medical Oncology, Cukurova University, Adana, 01130, Turkey
- Biotechnology Research and Application Center, Cukurova University, Adana, 01130, Turkey
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5
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Zhao C, Pan B, Wang T, Yang H, Vance D, Li X, Zhao H, Hu X, Yang T, Chen Z, Hao L, Liu T, Wang Y. Advances in NIR-Responsive Natural Macromolecular Hydrogel Assembly Drugs for Cancer Treatment. Pharmaceutics 2023; 15:2729. [PMID: 38140070 PMCID: PMC10747500 DOI: 10.3390/pharmaceutics15122729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/28/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023] Open
Abstract
Cancer is a serious disease with an abnormal proliferation of organ tissues; it is characterized by malignant infiltration and growth that affects human life. Traditional cancer therapies such as resection, radiotherapy and chemotherapy have a low cure rate and often cause irreversible damage to the body. In recent years, since the traditional treatment of cancer is still very far from perfect, researchers have begun to focus on non-invasive near-infrared (NIR)-responsive natural macromolecular hydrogel assembly drugs (NIR-NMHADs). Due to their unique biocompatibility and extremely high drug encapsulation, coupling with the spatiotemporal controllability of NIR, synergistic photothermal therapy (PTT), photothermal therapy (PDT), chemotherapy (CT) and immunotherapy (IT) has created excellent effects and good prospects for cancer treatment. In addition, some emerging bioengineering technologies can also improve the effectiveness of drug delivery systems. This review will discuss the properties of NIR light, the NIR-functional hydrogels commonly used in current research, the cancer therapy corresponding to the materials encapsulated in them and the bioengineering technology that can assist drug delivery systems. The review provides a constructive reference for the optimization of NIR-NMHAD experimental ideas and its application to human body.
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Affiliation(s)
- Chenyu Zhao
- China Medical University—The Queen’s University Belfast Joint College, China Medical University, Shenyang 110122, China; (C.Z.); (B.P.); (D.V.); (T.Y.); (Z.C.)
- Department of Chemistry, School of Forensic Medicine, China Medical University, Shenyang 110122, China;
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
| | - Boyue Pan
- China Medical University—The Queen’s University Belfast Joint College, China Medical University, Shenyang 110122, China; (C.Z.); (B.P.); (D.V.); (T.Y.); (Z.C.)
- Department of Chemistry, School of Forensic Medicine, China Medical University, Shenyang 110122, China;
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
| | - Tianlin Wang
- Department of Biophysics, School of Intelligent Medicine, China Medical University, Shenyang 110122, China; (T.W.); (H.Y.)
| | - Huazhe Yang
- Department of Biophysics, School of Intelligent Medicine, China Medical University, Shenyang 110122, China; (T.W.); (H.Y.)
| | - David Vance
- China Medical University—The Queen’s University Belfast Joint College, China Medical University, Shenyang 110122, China; (C.Z.); (B.P.); (D.V.); (T.Y.); (Z.C.)
- School of Pharmacy, Queen’s University Belfast, Belfast BT7 1NN, UK
| | - Xiaojia Li
- Teaching Center for Basic Medical Experiment, China Medical University, Shenyang 110122, China; (X.L.); (H.Z.)
| | - Haiyang Zhao
- Teaching Center for Basic Medical Experiment, China Medical University, Shenyang 110122, China; (X.L.); (H.Z.)
| | - Xinru Hu
- The 1st Clinical Department, China Medical University, Shenyang 110122, China;
| | - Tianchang Yang
- China Medical University—The Queen’s University Belfast Joint College, China Medical University, Shenyang 110122, China; (C.Z.); (B.P.); (D.V.); (T.Y.); (Z.C.)
| | - Zihao Chen
- China Medical University—The Queen’s University Belfast Joint College, China Medical University, Shenyang 110122, China; (C.Z.); (B.P.); (D.V.); (T.Y.); (Z.C.)
| | - Liang Hao
- Department of Chemistry, School of Forensic Medicine, China Medical University, Shenyang 110122, China;
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
| | - Ting Liu
- China Medical University—The Queen’s University Belfast Joint College, China Medical University, Shenyang 110122, China; (C.Z.); (B.P.); (D.V.); (T.Y.); (Z.C.)
| | - Yang Wang
- China Medical University—The Queen’s University Belfast Joint College, China Medical University, Shenyang 110122, China; (C.Z.); (B.P.); (D.V.); (T.Y.); (Z.C.)
- Department of Chemistry, School of Forensic Medicine, China Medical University, Shenyang 110122, China;
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
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6
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Alioglu MA, Yilmaz YO, Singh YP, Nagamine M, Celik N, Kim MH, Pal V, Gupta D, Ozbolat IT. Nested biofabrication: Matryoshka-inspired Intra-embedded Bioprinting. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.09.28.560028. [PMID: 37808743 PMCID: PMC10557751 DOI: 10.1101/2023.09.28.560028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Engineering functional tissues and organs remains a fundamental pursuit in biofabrication. However, the accurate constitution of complex shapes and internal anatomical features of specific organs, including their intricate blood vessels and nerves, remains a significant challenge. Inspired by the Matryoshka doll, we here introduce a new method called 'Intra-Embedded Bioprinting (IEB),' building upon existing embedded bioprinting methods. We used a xanthan gum-based material, which served a dual role as both a bioprintable ink and a support bath, due to its unique shear-thinning and self-healing properties. We demonstrated IEB's capabilities in organ modelling, creating a miniaturized replica of a pancreas using a photocrosslinkable silicone composite. Further, a head phantom and a Matryoshka doll were 3D printed, exemplifying IEB's capability to manufacture intricate, nested structures. Towards the use case of IEB and employing innovative coupling strategy between extrusion-based and aspiration-assisted bioprinting, we developed a breast tumor model that included a central channel mimicking a blood vessel, with tumor spheroids bioprinted in proximity. Validation using a clinically-available chemotherapeutic drug illustrated its efficacy in reducing the tumor volume via perfusion over time. This method opens a new way of bioprinting enabling the creation of complex-shaped organs with internal anatomical features.
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7
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Gao Y, Zhang X, Zhou H. Biomimetic Hydrogel Applications and Challenges in Bone, Cartilage, and Nerve Repair. Pharmaceutics 2023; 15:2405. [PMID: 37896165 PMCID: PMC10609742 DOI: 10.3390/pharmaceutics15102405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 09/22/2023] [Accepted: 09/27/2023] [Indexed: 10/29/2023] Open
Abstract
Tissue engineering and regenerative medicine is a highly sought-after field for researchers aiming to compensate and repair defective tissues. However, the design and development of suitable scaffold materials with bioactivity for application in tissue repair and regeneration has been a great challenge. In recent years, biomimetic hydrogels have shown great possibilities for use in tissue engineering, where they can tune mechanical properties and biological properties through functional chemical modifications. Also, biomimetic hydrogels provide three-dimensional (3D) network spatial structures that can imitate normal tissue microenvironments and integrate cells, scaffolds, and bioactive substances for tissue repair and regeneration. Despite the growing interest in various hydrogels for biomedical use in previous decades, there are still many aspects of biomimetic hydrogels that need to be understood for biomedical and clinical trial applications. This review systematically describes the preparation of biomimetic hydrogels and their characteristics, and it details the use of biomimetic hydrogels in bone, cartilage, and nerve tissue repair. In addition, this review outlines the application of biomimetic hydrogels in bone, cartilage, and neural tissues regarding drug delivery. In particular, the advantages and shortcomings of biomimetic hydrogels in biomaterial tissue engineering are highlighted, and future research directions are proposed.
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Affiliation(s)
- Yanbing Gao
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, China;
- Key Laboratory of Bone and Joint Disease Research of Gansu Province, Lanzhou 730030, China
| | - Xiaobo Zhang
- Department of Orthopedics, Honghui Hospital, Xi’an Jiaotong University, Xi’an 710000, China
| | - Haiyu Zhou
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou 730030, China;
- Key Laboratory of Bone and Joint Disease Research of Gansu Province, Lanzhou 730030, China
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8
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He J, Sun Y, Gao Q, He C, Yao K, Wang T, Xie M, Yu K, Nie J, Chen Y, He Y. Gelatin Methacryloyl Hydrogel, from Standardization, Performance, to Biomedical Application. Adv Healthc Mater 2023; 12:e2300395. [PMID: 37115708 DOI: 10.1002/adhm.202300395] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 04/23/2023] [Indexed: 04/29/2023]
Abstract
Gelatin methacryloyl (GelMA), a photocurable hydrogel, is widely used in 3D culture, particularly in 3D bioprinting, due to its high biocompatibility, tunable physicochemical properties, and excellent formability. However, as the properties and performances of GelMA vary under different synthetic conditions, there is a lack of standardization, leading to conflicting results. In this study, a uniform standard is established to understand and enhance GelMA applications. First, the basic concept of GelMA and the density of the molecular network (DMN) are defined. Second, two properties, degrees of substitution and ratio of solid content, as the main measurable parameters determining the DMN are used. Third, the mechanisms and relationships between DMN and its performance in various applications in terms of porosity, viscosity, formability, mechanical strength, swelling, biodegradation, and cytocompatibility are theoretically explained. The main questions that are answered: what does performance mean, why is it important, how to optimize the basic parameters to improve the performance, and how to characterize it reasonably and accurately? Finally, it is hoped that this knowledge will eliminate the need for researchers to conduct tedious and repetitive pre-experiments, enable easy communication for achievements between groups under the same standard, and fully explore the potential of the GelMA hydrogel.
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Affiliation(s)
- Jing He
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yuan Sun
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Qing Gao
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
- Engineering for Life Group (EFL), Suzhou, 215101, China
| | - Chanfan He
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Ke Yao
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Tongyao Wang
- State Key Laboratory of Catalysis, National Laboratory for Clean Energy, 2011-Collaborative Innovation Center of Chemistry for Energy Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Mingjun Xie
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
- Plastic and Reconstructive Surgery Center, Department of Plastic and Reconstructive Surgery, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Kang Yu
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Jing Nie
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yuewei Chen
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yong He
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
- Engineering for Life Group (EFL), Suzhou, 215101, China
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, College of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
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9
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Zhu Y, Haghniaz R, Hartel MC, Guan S, Bahari J, Li Z, Baidya A, Cao K, Gao X, Li J, Wu Z, Cheng X, Li B, Emaminejad S, Weiss PS, Khademhosseini A. A Breathable, Passive-Cooling, Non-Inflammatory, and Biodegradable Aerogel Electronic Skin for Wearable Physical-Electrophysiological-Chemical Analysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2209300. [PMID: 36576895 PMCID: PMC10006339 DOI: 10.1002/adma.202209300] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/20/2022] [Indexed: 06/17/2023]
Abstract
Real-time monitoring of human health can be significantly improved by designing novel electronic skin (E-skin) platforms that mimic the characteristics and sensitivity of human skin. A high-quality E-skin platform that can simultaneously monitor multiple physiological and metabolic biomarkers without introducing skin discomfort or irritation is an unmet medical need. Conventional E-skins are either monofunctional or made from elastomeric films that do not include key synergistic features of natural skin, such as multi-sensing, breathability, and thermal management capabilities in a single patch. Herein, a biocompatible and biodegradable E-skin patch based on flexible gelatin methacryloyl aerogel (FGA) for non-invasive and continuous monitoring of multiple biomarkers of interest is engineered and demonstrated. Taking advantage of cryogenic temperature treatment and slow polymerization, FGA is fabricated with a highly interconnected porous structure that displays good flexibility, passive-cooling capabilities, and ultra-lightweight properties that make it comfortable to wear for long periods of time. It also provides numerous permeable capillary channels for thermal-moisture transfer, ensuring its excellent breathability. Therefore, the engineered FGA-based E-skin can simultaneously monitor body temperature, hydration, and biopotentials via electrophysiological sensors and detect glucose, lactate, and alcohol levels via electrochemical sensors. This work offers a previously unexplored materials strategy for next-generation E-skin platforms with superior practicality.
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Affiliation(s)
- Yangzhi Zhu
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Reihaneh Haghniaz
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Martin C Hartel
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Shenghan Guan
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
- Mork Family Department of Chemical Engineering & Materials Science, Viterbi School of Engineering, University of Southern California, Los Angeles, CA, 90007, USA
| | - Jamal Bahari
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Zijie Li
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
- Mork Family Department of Chemical Engineering & Materials Science, Viterbi School of Engineering, University of Southern California, Los Angeles, CA, 90007, USA
| | - Avijit Baidya
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Ke Cao
- Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, 37830, USA
| | - Xiaoxiang Gao
- Department of Nanoengineering, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Jinghang Li
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
| | - Zhuohong Wu
- Department of Nanoengineering, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Xuanbing Cheng
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Bingbing Li
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
- Department of Manufacturing Systems Engineering and Management, California State University Northridge, Northridge, CA, 91330, USA
| | - Sam Emaminejad
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Electrical and Computer Engineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
| | - Paul S Weiss
- Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, 90095, USA
- Department of Chemistry and Biochemistry, Department of Materials Science and Engineering and California NanoSystems Institute, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation, Los Angeles, CA, 90064, USA
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10
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Inorganic/Biopolymers Hybrid Hydrogels Dual Cross-Linked for Bone Tissue Regeneration. Gels 2022; 8:gels8120762. [PMID: 36547286 PMCID: PMC9777565 DOI: 10.3390/gels8120762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 11/18/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022] Open
Abstract
In tissue engineering, the potential of re-growing new tissue has been considered, however, developments towards such clinical and commercial outcomes have been modest. One of the most important elements here is the selection of a biomaterial that serves as a "scaffold" for the regeneration process. Herein, we designed hydrogels composed of two biocompatible natural polymers, namely gelatin with photopolymerizable functionalities and a pectin derivative amenable to direct protein conjugation. Aiming to design biomimetic hydrogels for bone regeneration, this study proposes double-reinforcement by way of inorganic/biopolymer hybrid filling composed of Si-based compounds and cellulose nanofibers. To attain networks with high flexibility and elastic modulus, a double-crosslinking strategy was envisioned-photochemical and enzyme-mediated conjugation reactions. The dual cross-linked procedure will generate intra- and intermolecular interactions between the protein and polysaccharide and might be a resourceful strategy to develop innovative scaffolding materials.
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11
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Surface Modification of WE43 Magnesium Alloys with Dopamine Hydrochloride Modified GelMA Coatings. COATINGS 2022. [DOI: 10.3390/coatings12081074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
As biodegradable medical implants, magnesium alloys have attracted great concerns due to their desirable biological and mechanical performances. Nevertheless, the overfast degradation rate of magnesium alloys makes it difficult to make full use of their potential in medical sciences. Therefore, it is a hot issue to control the degradation rate and functionalize the magnesium alloys via surface modifications. Herein, methacrylate gelatin (GelMA) hydrogel was adopted as coatings on the surface of WE43 magnesium alloys to control the degradation behaviors of magnesium alloys. Inspired by mussels, dopamine (DOPA) hydrochloride was adopted to modify GelMA to further functionalize the coatings. The compositions, swelling properties, degradation behaviors, and morphologies of samples were characterized by UV-Vis spectrophotometer, nuclear magnetic resonance (NMR), Fourier transform infrared spectroscopy (FTIR), scanning electron microscope (SEM), and immersion test. It was shown that GelMA-DOPA composites could be obtained and the swelling and degradation behaviors of magnesium alloys could be controlled by adjusting the compositions of GelMA and DOPA. Furthermore, the GelMA-DOPA hydrogel coatings can be tightly bonded to the Mg alloys.
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12
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Ho TC, Chang CC, Chan HP, Chung TW, Shu CW, Chuang KP, Duh TH, Yang MH, Tyan YC. Hydrogels: Properties and Applications in Biomedicine. Molecules 2022; 27:2902. [PMID: 35566251 PMCID: PMC9104731 DOI: 10.3390/molecules27092902] [Citation(s) in RCA: 138] [Impact Index Per Article: 69.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 04/17/2022] [Accepted: 04/20/2022] [Indexed: 12/19/2022] Open
Abstract
Hydrogels are crosslinked polymer chains with three-dimensional (3D) network structures, which can absorb relatively large amounts of fluid. Because of the high water content, soft structure, and porosity of hydrogels, they closely resemble living tissues. Research in recent years shows that hydrogels have been applied in various fields, such as agriculture, biomaterials, the food industry, drug delivery, tissue engineering, and regenerative medicine. Along with the underlying technology improvements of hydrogel development, hydrogels can be expected to be applied in more fields. Although not all hydrogels have good biodegradability and biocompatibility, such as synthetic hydrogels (polyvinyl alcohol, polyacrylamide, polyethylene glycol hydrogels, etc.), their biodegradability and biocompatibility can be adjusted by modification of their functional group or incorporation of natural polymers. Hence, scientists are still interested in the biomedical applications of hydrogels due to their creative adjustability for different uses. In this review, we first introduce the basic information of hydrogels, such as structure, classification, and synthesis. Then, we further describe the recent applications of hydrogels in 3D cell cultures, drug delivery, wound dressing, and tissue engineering.
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Affiliation(s)
- Tzu-Chuan Ho
- Department of Medical Imaging and Radiological Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (T.-C.H.); (C.-W.S.)
| | - Chin-Chuan Chang
- Department of Nuclear Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan;
- School of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Neuroscience Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Electrical Engineering, I-Shou University, Kaohsiung 840, Taiwan
| | - Hung-Pin Chan
- Department of Nuclear Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan;
| | - Tze-Wen Chung
- Biomedical Engineering Research and Development Center, National Yang Ming Chiao Tung University, Taipei 112, Taiwan;
| | - Chih-Wen Shu
- Department of Medical Imaging and Radiological Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (T.-C.H.); (C.-W.S.)
| | - Kuo-Pin Chuang
- Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung 912, Taiwan;
| | - Tsai-Hui Duh
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan;
- Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Ming-Hui Yang
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan
- Center of General Education, Shu-Zen Junior College of Medicine and Management, Kaohsiung 821, Taiwan
| | - Yu-Chang Tyan
- Department of Medical Imaging and Radiological Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (T.-C.H.); (C.-W.S.)
- Department of Nuclear Medicine, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan;
- School of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Graduate Institute of Animal Vaccine Technology, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung 912, Taiwan;
- Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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