1
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Eufrásio-da-Silva T, Erezuma I, Dolatshahi-Pirouz A, Orive G. Enhancing regenerative medicine with self-healing hydrogels: A solution for tissue repair and advanced cyborganic healthcare devices. BIOMATERIALS ADVANCES 2024; 161:213869. [PMID: 38718714 DOI: 10.1016/j.bioadv.2024.213869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 04/08/2024] [Accepted: 04/19/2024] [Indexed: 06/04/2024]
Abstract
Considering the global burden related to tissue and organ injuries or failures, self-healing hydrogels may be an attractive therapeutic alternative for the future. Self-healing hydrogels are highly hydrated 3D structures with the ability to self-heal after breaking, this property is attributable to a variety of dynamic non-covalent and covalent bonds that are able to re-linking within the matrix. Self-healing ability specially benefits minimal invasive medical treatments with cell-delivery support. Moreover, those tissue-engineered self-healing hydrogels network have demonstrated effectiveness for myriad purposes; for instance, they could act as delivery-platforms for different cargos (drugs, growth factors, cells, among others) in tissues such as bone, cartilage, nerve or skin. Besides, self-healing hydrogels have currently found their way into new and novel applications; for example, with the development of the self-healing adhesive hydrogels, by merely aiding surgical closing processes and by providing biomaterial-tissue adhesion. Furthermore, conductive hydrogels permit the stimuli and monitoring of natural electrical signals, which facilitated a better fitting of hydrogels in native tissue or the diagnosis of various health diseases. Lastly, self-healing hydrogels could be part of cyborganics - a merge between biology and machinery - which can pave the way to a finer healthcare devices for diagnostics and precision therapies.
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Affiliation(s)
| | - Itsasne Erezuma
- NanoBioCel Research Group, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain; Bioaraba, NanoBioCel Research Group, Vitoria-Gasteiz, Spain
| | | | - Gorka Orive
- NanoBioCel Research Group, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain; Bioaraba, NanoBioCel Research Group, Vitoria-Gasteiz, Spain; Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain; University Institute for Regenerative Medicine and Oral Implantology-UIRMI (UPV/EHU-Fundación Eduardo Anitua), 01007 Vitoria-Gasteiz, Spain; Singapore Eye Research Institute, The Academia, 20 College Road, Discovery Tower, Singapore 169856, Singapore.
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2
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Shi J, Liu Y, Ling Y, Tang H. Polysaccharide-protein based scaffolds for cartilage repair and regeneration. Int J Biol Macromol 2024; 274:133495. [PMID: 38944089 DOI: 10.1016/j.ijbiomac.2024.133495] [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: 05/09/2024] [Revised: 06/23/2024] [Accepted: 06/26/2024] [Indexed: 07/01/2024]
Abstract
Cartilage repair and regeneration have become a global issue that millions of patients from all over the world need surgical intervention to repair the articular cartilage annually due to the limited self-healing capability of the cartilage tissues. Cartilage tissue engineering has gained significant attention in cartilage repair and regeneration by integration of the chondrocytes (or stem cells) and the artificial scaffolds. Recently, polysaccharide-protein based scaffolds have demonstrated unique and promising mechanical and biological properties as the artificial extracellular matrix of natural cartilage. In this review, we summarize the modification methods for polysaccharides and proteins. The preparation strategies for the polysaccharide-protein based hydrogel scaffolds are presented. We discuss the mechanical, physical and biological properties of the polysaccharide-protein based scaffolds. Potential clinical translation and challenges on the artificial scaffolds are also discussed.
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Affiliation(s)
- Jin Shi
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
| | - Yu Liu
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
| | - Ying Ling
- Institute of Neuroscience, Soochow University, Suzhou 215123, China.
| | - Haoyu Tang
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China.
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3
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Abdel-Rahman R, Abdel-Mohsen AM, Frankova J, Piana F, Kalina L, Gajdosova V, Kapralkova L, Thottappali MA, Jancar J. Self-Assembled Hydrogel Membranes with Structurally Tunable Mechanical and Biological Properties. Biomacromolecules 2024; 25:3449-3463. [PMID: 38739908 PMCID: PMC11170955 DOI: 10.1021/acs.biomac.4c00082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 04/30/2024] [Accepted: 04/30/2024] [Indexed: 05/16/2024]
Abstract
Using supramolecular self-assembled nanocomposite materials made from protein and polysaccharide components is becoming more popular because of their unique properties, such as biodegradability, hierarchical structures, and tunable multifunctionality. However, the fabrication of these materials in a reproducible way remains a challenge. This study presents a new evaporation-induced self-assembly method producing layered hydrogel membranes (LHMs) using tropocollagen grafted by partially deacetylated chitin nanocrystals (CO-g-ChNCs). ChNCs help stabilize tropocollagen's helical conformation and fibrillar structure by forming a hierarchical microstructure through chemical and physical interactions. The LHMs show improved mechanical properties, cytocompatibility, and the ability to control drug release using octenidine dihydrochloride (OCT) as a drug model. Because of the high synergetic performance between CO and ChNCs, the modulus, strength, and toughness increased significantly compared to native CO. The biocompatibility of LHM was tested using the normal human dermal fibroblast (NHDF) and the human osteosarcoma cell line (Saos-2). Cytocompatibility and cell adhesion improved with the introduction of ChNCs. The extracted ChNCs are used as a reinforcing nanofiller to enhance the performance properties of tropocollagen hydrogel membranes and provide new insights into the design of novel LHMs that could be used for various medical applications, such as control of drug release in the skin and bone tissue regeneration.
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Affiliation(s)
- Rasha
M. Abdel-Rahman
- CEITEC-Central
European Institute of Technology, Brno University
of Technology, Purkyňova 656/123, Brno 61200, Czech Republic
- Institute
of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, Praha 162 06, Czech Republic
| | - A. M. Abdel-Mohsen
- CEITEC-Central
European Institute of Technology, Brno University
of Technology, Purkyňova 656/123, Brno 61200, Czech Republic
- Institute
of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, Praha 162 06, Czech Republic
- Pretreatment
and Finishing of Cellulosic Based Textiles Department, Textile Industries Research Institute, National Research
Centre, 33 EL Buhouth
Street, Dokki, Giza 12622, Egypt
| | - Jana Frankova
- Department
of Medical Chemistry and Biochemistry, Faculty of Medicine and Dentistry, Palacký University, Hněvotínská, 3, 775 15, Olomouc, Czech Republic
| | - Francesco Piana
- Institute
of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, Praha 162 06, Czech Republic
| | - Lukas Kalina
- Faculty
of Chemistry, Materials Research Centre, Brno University of Technology, Purkyňova 464/118, Brno 61200, Czech Republic
| | - Veronika Gajdosova
- Institute
of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, Praha 162 06, Czech Republic
| | - Ludmila Kapralkova
- Institute
of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, Praha 162 06, Czech Republic
| | - Muhammed Arshad Thottappali
- Institute
of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, Praha 162 06, Czech Republic
| | - Josef Jancar
- CEITEC-Central
European Institute of Technology, Brno University
of Technology, Purkyňova 656/123, Brno 61200, Czech Republic
- Faculty
of Chemistry, Materials Research Centre, Brno University of Technology, Purkyňova 464/118, Brno 61200, Czech Republic
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4
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Jia S, Yang B, Du J, Xie Y, Yu L, Zhang Y, Tao T, Tang W, Gong J. Uncovering the Recent Progress of CNC-Derived Chirality Nanomaterials: Structure and Functions. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2401664. [PMID: 38651220 DOI: 10.1002/smll.202401664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 04/10/2024] [Indexed: 04/25/2024]
Abstract
Cellulose nanocrystal (CNC), as a renewable resource, with excellent mechanical performance, low thermal expansion coefficient, and unique optical performance, is becoming a novel candidate for the development of smart material. Herein, the recent progress of CNC-based chirality nanomaterials is uncovered, mainly covering structure regulations and function design. Undergoing a simple evaporation process, the cellulose nanorods can spontaneously assemble into chiral nematic films, accompanied by a vivid structural color. Various film structure-controlling strategies, including assembly means, physical modulation, additive engineering, surface modification, geometric structure regulation, and external field optimization, are summarized in this work. The intrinsic correlation between structure and performance is emphasized. Next, the applications of CNC-based nanomaterials is systematically reviewed. Layer-by-layer stacking structure and unique optical activity endow the nanomaterials with wide applications in the mineralization, bone regeneration, and synthesis of mesoporous materials. Besides, the vivid structural color broadens the functions in anti-counterfeiting engineering, synthesis of the shape-memory and self-healing materials. Finally, the challenges for the CNC-based nanomaterials are proposed.
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Affiliation(s)
- Shengzhe Jia
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Bingbing Yang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Jing Du
- Department of Chemistry, Institute of Molecular Aggregation Science, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, Tianjin, 300072, China
| | - Yujiang Xie
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Liuyang Yu
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Yuan Zhang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Tiantian Tao
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
| | - Weiwei Tang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
- Collaborative Innovation Center of Chemistry Science and Engineering, Tianjin, 300072, China
| | - Junbo Gong
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, China
- Collaborative Innovation Center of Chemistry Science and Engineering, Tianjin, 300072, China
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5
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Wang L, Chen X, Wang S, Ma J, Yang X, Chen H, Xiao J. Ferrous/Ferric Ions Crosslinked Type II Collagen Multifunctional Hydrogel for Advanced Osteoarthritis Treatment. Adv Healthc Mater 2024; 13:e2302833. [PMID: 38185787 DOI: 10.1002/adhm.202302833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 12/19/2023] [Indexed: 01/09/2024]
Abstract
Osteoarthritis (OA) is a highly prevalent and intricate degenerative joint disease affecting an estimated 500 million individuals worldwide. Collagen-based hydrogels have sparked immense interest in cartilage tissue engineering, but substantial challenges persist in developing biocompatible and robust crosslinking strategies, as well as improving their effectiveness against the multifaceted nature of OA. Herein, a novel discovery wherein the simple incorporation of ferrous/ferric ions enables efficient dynamic crosslinking of type II collagen, leading to the development of injectable, self-healing hydrogels with 3D interconnected porous nanostructures, is unveiled. The ferrous/ferric ions crosslinked type II collagen hydrogels demonstrate exceptional physical properties, such as significantly enhanced mechanical strength, minimal swelling ratios, and remarkable resistance to degradation, while also exhibiting extraordinary biocompatibility and bioactivity, effectively promoting cell proliferation, adhesion, and chondrogenic differentiation. Additionally, the hydrogels reveal potent anti-inflammatory effects by upregulating anti-inflammatory cytokines while downregulating pro-inflammatory cytokines. In a rat model of cartilage defects, these hydrogels exhibit impressive efficacy, substantially accelerating cartilage tissue regeneration through enhanced collagen deposition and increased proteoglycan secretion. The innovative discovery of the multifunctional role of ferrous/ferric ions in endowing type II collagen hydrogels with a myriad of beneficial properties presents exciting prospects for developing advanced biomaterials with potential applications in OA.
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Affiliation(s)
- Lili Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
- Gansu Engineering Research Center of Medical Collagen, Lanzhou, 730030, P. R. China
| | - Xian Chen
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
- Gansu Engineering Research Center of Medical Collagen, Lanzhou, 730030, P. R. China
| | - Shenghong Wang
- Department of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, 730030, P. R. China
| | - Jianrui Ma
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Xiaxia Yang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
- Gansu Engineering Research Center of Medical Collagen, Lanzhou, 730030, P. R. China
| | - Hongli Chen
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Jianxi Xiao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
- Gansu Engineering Research Center of Medical Collagen, Lanzhou, 730030, P. R. China
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6
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Kim S, Jeon H, Koo JM, Oh DX, Park J. Practical Applications of Self-Healing Polymers Beyond Mechanical and Electrical Recovery. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2302463. [PMID: 38361378 DOI: 10.1002/advs.202302463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 12/15/2023] [Indexed: 02/17/2024]
Abstract
Self-healing polymeric materials, which can repair physical damage, offer promising prospects for protective applications across various industries. Although prolonged durability and resource conservation are key advantages, focusing solely on mechanical recovery may limit the market potential of these materials. The unique physical properties of self-healing polymers, such as interfacial reduction, seamless connection lines, temperature/pressure responses, and phase transitions, enable a multitude of innovative applications. In this perspective, the diverse applications of self-healing polymers beyond their traditional mechanical strength are emphasized and their potential in various sectors such as food packaging, damage-reporting, radiation shielding, acoustic conservation, biomedical monitoring, and tissue regeneration is explored. With regards to the commercialization challenges, including scalability, robustness, and performance degradation under extreme conditions, strategies to overcome these limitations and promote successful industrialization are discussed. Furthermore, the potential impacts of self-healing materials on future research directions, encompassing environmental sustainability, advanced computational techniques, integration with emerging technologies, and tailoring materials for specific applications are examined. This perspective aims to inspire interdisciplinary approaches and foster the adoption of self-healing materials in various real-life settings, ultimately contributing to the development of next-generation materials.
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Affiliation(s)
- Semin Kim
- Research Center for Bio-based Chemistry, Korea Research Institute of Chemical Technology (KRICT), Ulsan, 44429, Republic of Korea
| | - Hyeonyeol Jeon
- Research Center for Bio-based Chemistry, Korea Research Institute of Chemical Technology (KRICT), Ulsan, 44429, Republic of Korea
| | - Jun Mo Koo
- Department of Organic Materials Engineering, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Dongyeop X Oh
- Research Center for Bio-based Chemistry, Korea Research Institute of Chemical Technology (KRICT), Ulsan, 44429, Republic of Korea
- Department of Polymer Science and Engineering and Program in Environmental and Polymer Engineering, Inha University, Incheon, 22212, Republic of Korea
| | - Jeyoung Park
- Department of Chemical and Biomolecular Engineering, Sogang University, Seoul, 04107, Republic of Korea
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7
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Samadi A, Moammeri A, Azimi S, Bustillo-Perez BM, Mohammadi MR. Biomaterial engineering for cell transplantation. BIOMATERIALS ADVANCES 2024; 158:213775. [PMID: 38252986 DOI: 10.1016/j.bioadv.2024.213775] [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: 10/06/2023] [Revised: 12/27/2023] [Accepted: 01/12/2024] [Indexed: 01/24/2024]
Abstract
The current paradigm of medicine is mostly designed to block or prevent pathological events. Once the disease-led tissue damage occurs, the limited endogenous regeneration may lead to depletion or loss of function for cells in the tissues. Cell therapy is rapidly evolving and influencing the field of medicine, where in some instances attempts to address cell loss in the body. Due to their biological function, engineerability, and their responsiveness to stimuli, cells are ideal candidates for therapeutic applications in many cases. Such promise is yet to be fully obtained as delivery of cells that functionally integrate with the desired tissues upon transplantation is still a topic of scientific research and development. Main known impediments for cell therapy include mechanical insults, cell viability, host's immune response, and lack of required nutrients for the transplanted cells. These challenges could be divided into three different steps: 1) Prior to, 2) during the and 3) after the transplantation procedure. In this review, we attempt to briefly summarize published approaches employing biomaterials to mitigate the above technical challenges. Biomaterials are offering an engineerable platform that could be tuned for different classes of cell transplantation to potentially enhance and lengthen the pharmacodynamics of cell therapies.
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Affiliation(s)
- Amirmasoud Samadi
- Department of Chemical and Biomolecular Engineering, 6000 Interdisciplinary Science & Engineering Building (ISEB), Irvine, CA 92617, USA
| | - Ali Moammeri
- Department of Chemical Engineering, Virginia Tech, Blacksburg, VA 24061, USA
| | - Shamim Azimi
- Department of Chemical Engineering, Queen's University, Kingston, ON K7L 3N6, Canada
| | - Bexi M Bustillo-Perez
- Department of Chemical Engineering, Queen's University, Kingston, ON K7L 3N6, Canada
| | - M Rezaa Mohammadi
- Dale E. and Sarah Ann Fowler School of Engineering, Chapman University, Orange, CA 92866, USA.
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8
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Ma Y, Morozova SM, Kumacheva E. From Nature-Sourced Polysaccharide Particles to Advanced Functional Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2312707. [PMID: 38391153 DOI: 10.1002/adma.202312707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 02/15/2024] [Indexed: 02/24/2024]
Abstract
Polysaccharides constitute over 90% of the carbohydrate mass in nature, which makes them a promising feedstock for manufacturing sustainable materials. Polysaccharide particles (PSPs) are used as effective scavengers, carriers of chemical and biological cargos, and building blocks for the fabrication of macroscopic materials. The biocompatibility and degradability of PSPs are advantageous for their uses as biomaterials with more environmental friendliness. This review highlights the progresses in PSP applications as advanced functional materials, by describing PSP extraction, preparation, and surface functionalization with a variety of functional groups, polymers, nanoparticles, and biologically active species. This review also outlines the fabrication of PSP-derived macroscopic materials, as well as their applications in soft robotics, sensing, scavenging, water harvesting, drug delivery, and bioengineering. The paper is concluded with an outlook providing perspectives in the development and applications of PSP-derived materials.
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Affiliation(s)
- Yingshan Ma
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Sofia M Morozova
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
- Center of Fluid Physics and Soft Matter, N.E. Bauman Moscow State Technical University, 5/1 2-nd Baumanskaya street, Moscow, 105005, Russia
| | - Eugenia Kumacheva
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario, M5S 3E5, Canada
- The Institute of Biomaterials and Biomedical Engineering, University of Toronto, 4 Taddle Creek Road, Toronto, Ontario, M5S 3G9, Canada
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9
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Li J, Zhai YN, Xu JP, Zhu XY, Yang HR, Che HJ, Liu CK, Qu JB. An injectable collagen peptide-based hydrogel with desirable antibacterial, self-healing and wound-healing properties based on multiple-dynamic crosslinking. Int J Biol Macromol 2024; 259:129006. [PMID: 38176492 DOI: 10.1016/j.ijbiomac.2023.129006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 01/06/2024]
Abstract
Conventional collagen-based hydrogels as wound dressing materials are usually lack of antibacterial activity and easily broken when encountering external forces. In this work, we developed a collagen peptide-based hydrogel as a wound dressing, which was composed of adipic acid dihydrazide functionalized collagen peptide (Col-ADH), oxidized dextran (ODex), polyvinyl alcohol (PVA) and borax via multiple-dynamic reversible bonds (acylhydrazone, amine, borate ester and hydrogen bonds). The injectable hydrogel exhibited satisfactory self-healing ability, antibacterial activity, mechanical strength, as well as good biocompatibility and biodegradability. In vivo experiments demonstrated the rapid hemostasis, accelerated cell migration, and promoted wound healing capacities of the hydrogel. These results indicate that the multifunctional collagen peptide-based hydrogel has great potentials in the field of wound dressings.
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Affiliation(s)
- Jing Li
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Yong-Nian Zhai
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Jing-Ping Xu
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Xiao-Yun Zhu
- Qingdao Kehai Jiantang Biology Co., Ltd, Qingdao 266580, PR China
| | - Hao-Ran Yang
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Huan-Jie Che
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Cheng-Kun Liu
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China
| | - Jian-Bo Qu
- College of Chemistry and Chemical Engineering, China University of Petroleum (East China), Qingdao 266580, PR China.
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10
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Xeroudaki M, Rafat M, Moustardas P, Mukwaya A, Tabe S, Bellisario M, Peebo B, Lagali N. A double-crosslinked nanocellulose-reinforced dexamethasone-loaded collagen hydrogel for corneal application and sustained anti-inflammatory activity. Acta Biomater 2023; 172:234-248. [PMID: 37866722 DOI: 10.1016/j.actbio.2023.10.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 09/29/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023]
Abstract
In cases of blinding disease or trauma, hydrogels have been proposed as scaffolds for corneal regeneration and vehicles for ocular drug delivery. Restoration of corneal transparency, augmenting a thin cornea and postoperative drug delivery are particularly challenging in resource-limited regions where drug availability and patient compliance may be suboptimal. Here, we report a bioengineered hydrogel based on porcine skin collagen as an alternative to human donor corneal tissue for applications where long-term stability of the hydrogel is required. The hydrogel is reinforced with cellulose nanofibers extracted from the Ciona intestinalis sea invertebrate followed by double chemical and photochemical crosslinking. The hydrogel is additionally loaded with dexamethasone to provide sustained anti-inflammatory activity. The reinforced double-crosslinked hydrogel after drug loading maintained high optical transparency with significantly improved mechanical characteristics compared to non-reinforced hydrogels, while supporting a gradual sustained drug release for 60 days in vitro. Dexamethasone, after exposure to crosslinking and sterilization procedures used in hydrogel production, inhibited tube formation and cell migration of TNFα-stimulated vascular endothelial cells. The drug-loaded hydrogels suppressed key pro-inflammatory cytokines CCL2 and CXCL5 in TNFα-stimulated human corneal epithelial cells. Eight weeks after intra-stromal implantation in the cornea of 12 New-Zealand white rabbits subjected to an inflammatory suture stimulus, the dexamethasone-releasing hydrogels suppressed TNFα, MMP-9, and leukocyte and fibroblast cell invasion, resulting in reduced corneal haze, sustained corneal thickness and stromal morphology, and reduced overall vessel invasion. This collagen-nanocellulose double-crosslinked hydrogel can be implanted to treat corneal stromal disease while suppressing inflammation and maintaining transparency after corneal transplantation. STATEMENT OF SIGNIFICANCE: To treat blinding diseases, hydrogel scaffolds have been proposed to facilitate corneal restoration and ocular drug delivery. Here, we improve on a clinically tested collagen-based scaffold to improve mechanical robustness and enzymatic resistance by incorporating sustainably sourced nanocellulose and dual chemical-photochemical crosslinking to reinforce the scaffold, while simultaneously achieving sustained release of an incorporated anti-inflammatory drug, dexamethasone. Evaluated in the context of a corneal disease model with inflammation, the drug-releasing nanocellulose-reinforced collagen scaffold maintained the cornea's transparency and resisted degradation while suppressing inflammation postoperatively. This biomaterial could therefore potentially be applied in a wider range of sight-threatening diseases, overcoming suboptimal administration of postoperative medications to maintain hydrogel integrity and good vision.
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Affiliation(s)
- Maria Xeroudaki
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Mehrdad Rafat
- NaturaLens AB, Linköping, Sweden; LinkoCare Life Sciences AB, Linköping, Sweden; Department of Biomedical Engineering, Linköping University, Linköping, Sweden
| | - Petros Moustardas
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Anthony Mukwaya
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Shideh Tabe
- NaturaLens AB, Linköping, Sweden; LinkoCare Life Sciences AB, Linköping, Sweden
| | - Marco Bellisario
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Beatrice Peebo
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Memira Eye Center Scandinavia, Solna, Sweden
| | - Neil Lagali
- Division of Ophthalmology, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Department of Ophthalmology, Sørlandet Hospital Arendal, Arendal, Norway.
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11
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Sun L, Xu Y, Han Y, Cui J, Jing Z, Li D, Liu J, Xiao C, Li D, Cai B. Collagen-Based Hydrogels for Cartilage Regeneration. Orthop Surg 2023; 15:3026-3045. [PMID: 37942509 PMCID: PMC10694028 DOI: 10.1111/os.13884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 08/13/2023] [Accepted: 08/15/2023] [Indexed: 11/10/2023] Open
Abstract
Cartilage regeneration remains difficult due to a lack of blood vessels. Degradation of the extracellular matrix (ECM) causes cartilage defects, and the ECM provides the natural environment and nutrition for cartilage regeneration. Until now, collagen hydrogels are considered to be excellent material for cartilage regeneration due to the similar structure to ECM and good biocompatibility. However, collagen hydrogels also have several drawbacks, such as low mechanical strength, limited ability to induce stem cell differentiation, and rapid degradation. Thus, there is a demanding need to optimize collagen hydrogels for cartilage regeneration. In this review, we will first briefly introduce the structure of articular cartilage and cartilage defect classification and collagen, then provide an overview of the progress made in research on collagen hydrogels with chondrocytes or stem cells, comprehensively expound the research progress and clinical applications of collagen-based hydrogels that integrate inorganic or organic materials, and finally present challenges for further clinical translation.
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Affiliation(s)
- Lihui Sun
- Division of Bone and Joint Surgery, Center of OrthopaedicsFirst Hospital of Jilin UniversityChangchunPeople's Republic of China
| | - Yan Xu
- Division of Bone and Joint Surgery, Center of OrthopaedicsFirst Hospital of Jilin UniversityChangchunPeople's Republic of China
| | - Yu Han
- Division of Bone and Joint Surgery, Center of OrthopaedicsFirst Hospital of Jilin UniversityChangchunPeople's Republic of China
| | - Jing Cui
- Jilin Provincial Key Laboratory of Oral Biomedical Engineering, School and Hospital of StomatologyJilin UniversityChangchunChina
| | - Zheng Jing
- Division of Bone and Joint Surgery, Center of OrthopaedicsFirst Hospital of Jilin UniversityChangchunPeople's Republic of China
| | - Dongbo Li
- Division of Bone and Joint Surgery, Center of OrthopaedicsFirst Hospital of Jilin UniversityChangchunPeople's Republic of China
| | - Jianguo Liu
- Division of Bone and Joint Surgery, Center of OrthopaedicsFirst Hospital of Jilin UniversityChangchunPeople's Republic of China
| | - Chunsheng Xiao
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchunPeople's Republic of China
| | - Dongsong Li
- Division of Bone and Joint Surgery, Center of OrthopaedicsFirst Hospital of Jilin UniversityChangchunPeople's Republic of China
| | - Bo Cai
- Department of Ultrasound DiagnosisThe 964 Hospital of Chinese People's Liberation ArmyChangchunPeople's Republic of China
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12
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Ni H, Qian S, Lu J, Feng J, Mou XZ, Zhang J. Natural Polysaccharide Delivery Platforms with Multiscale Structure Used for Cancer Chemoimmunotherapy. Mol Pharm 2023; 20:5778-5789. [PMID: 37752866 DOI: 10.1021/acs.molpharmaceut.3c00633] [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] [Indexed: 09/28/2023]
Abstract
Chemoimmunotherapy is an effective cancer treatment method. Drugs are always combined and used in treating cancer. However, the characteristic of drugs varies, making it challenging to control their release kinetics utilizing delivery devices with a single microstructure. In this study, we attempted to uniformly size drugs of varying molecular weights and confine them in a compartment where immune cells may be recruited and moved freely. Dextran microgels were created as modular drug libraries to address the cryogel burst release of small molecule drugs. Then, modular drug libraries and granulocyte-macrophage colony-stimulating factor (GM-CSF) were integrated into cryogels for a combined treatment. Herein, alginate was zwitterion modified to avoid the immune reaction generated by the material. Because of its macroporous structure, the cryogel could be injected into the body, eliminating invasive surgical procedures. Results demonstrated that multiscale delivery platforms could improve the synergistic effect of various medications on tumor treatment.
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Affiliation(s)
- Haifeng Ni
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, P. R. China
| | - Sunxiang Qian
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, P. R. China
| | - Jie Lu
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, P. R. China
| | - Jie Feng
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, P. R. China
| | - Xiao-Zhou Mou
- Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital (People's Hospital of Hangzhou Medical College), Hangzhou, Zhejiang 310014, P. R. China
| | - Jing Zhang
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, P. R. China
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13
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Kaur K, Murphy CM. Advances in the Development of Nano-Engineered Mechanically Robust Hydrogels for Minimally Invasive Treatment of Bone Defects. Gels 2023; 9:809. [PMID: 37888382 PMCID: PMC10606921 DOI: 10.3390/gels9100809] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 09/30/2023] [Accepted: 10/03/2023] [Indexed: 10/28/2023] Open
Abstract
Injectable hydrogels were discovered as attractive materials for bone tissue engineering applications given their outstanding biocompatibility, high water content, and versatile fabrication platforms into materials with different physiochemical properties. However, traditional hydrogels suffer from weak mechanical strength, limiting their use in heavy load-bearing areas. Thus, the fabrication of mechanically robust injectable hydrogels that are suitable for load-bearing environments is of great interest. Successful material design for bone tissue engineering requires an understanding of the composition and structure of the material chosen, as well as the appropriate selection of biomimetic natural or synthetic materials. This review focuses on recent advancements in materials-design considerations and approaches to prepare mechanically robust injectable hydrogels for bone tissue engineering applications. We outline the materials-design approaches through a selection of materials and fabrication methods. Finally, we discuss unmet needs and current challenges in the development of ideal materials for bone tissue regeneration and highlight emerging strategies in the field.
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Affiliation(s)
- Kulwinder Kaur
- Tissue Engineering Research Group, Department of Anatomy & Regenerative Medicine, RCSI University of Medicine and Health Sciences, D02 YN77 Dublin, Ireland;
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, D02 YN77 Dublin, Ireland
| | - Ciara M. Murphy
- Tissue Engineering Research Group, Department of Anatomy & Regenerative Medicine, RCSI University of Medicine and Health Sciences, D02 YN77 Dublin, Ireland;
- Advanced Materials and Bioengineering Research (AMBER) Centre, Trinity College Dublin (TCD), D02 PN40 Dublin, Ireland
- Trinity Centre for Bioengineering, Trinity College Dublin (TCD), D02 PN40 Dublin, Ireland
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14
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Read SA, Go CS, Ferreira MJS, Ligorio C, Kimber SJ, Dumanli AG, Domingos MAN. Nanocrystalline Cellulose as a Versatile Engineering Material for Extrusion-Based Bioprinting. Pharmaceutics 2023; 15:2432. [PMID: 37896192 PMCID: PMC10609932 DOI: 10.3390/pharmaceutics15102432] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/27/2023] [Accepted: 10/04/2023] [Indexed: 10/29/2023] Open
Abstract
Naturally derived polysaccharide-based hydrogels, such as alginate, are frequently used in the design of bioinks for 3D bioprinting. Traditionally, the formulation of such bioinks requires the use of pre-reticulated materials with low viscosities, which favour cell viability but can negatively influence the resolution and shape fidelity of the printed constructs. In this work, we propose the use of cellulose nanocrystals (CNCs) as a rheological modifier to improve the printability of alginate-based bioinks whilst ensuring a high viability of encapsulated cells. Through rheological analysis, we demonstrate that the addition of CNCs (1% and 2% (w/v)) to alginate hydrogels (1% (w/v)) improves shear-thinning behaviour and mechanical stability, resulting in the high-fidelity printing of constructs with superior resolution. Importantly, LIVE/DEAD results confirm that the presence of CNCs does not seem to affect the health of immortalised chondrocytes (TC28a2) that remain viable over a period of seven days post-encapsulation. Taken together, our results indicate a favourable effect of the CNCs on the rheological and biocompatibility properties of alginate hydrogels, opening up new perspectives for the application of CNCs in the formulation of bioinks for extrusion-based bioprinting.
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Affiliation(s)
- Sophia A. Read
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering & Henry Royce Institute, The University of Manchester, Manchester M13 9PL, UK; (S.A.R.); (C.S.G.); (M.J.S.F.)
| | - Chee Shuen Go
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering & Henry Royce Institute, The University of Manchester, Manchester M13 9PL, UK; (S.A.R.); (C.S.G.); (M.J.S.F.)
| | - Miguel J. S. Ferreira
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering & Henry Royce Institute, The University of Manchester, Manchester M13 9PL, UK; (S.A.R.); (C.S.G.); (M.J.S.F.)
| | - Cosimo Ligorio
- Department of Materials, School of Natural Sciences, Faculty of Science and Engineering & Henry Royce Institute, The University of Manchester, Manchester M13 9PL, UK; (C.L.); (A.G.D.)
| | - Susan J. Kimber
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester M13 9PT, UK
| | - Ahu G. Dumanli
- Department of Materials, School of Natural Sciences, Faculty of Science and Engineering & Henry Royce Institute, The University of Manchester, Manchester M13 9PL, UK; (C.L.); (A.G.D.)
| | - Marco A. N. Domingos
- Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering & Henry Royce Institute, The University of Manchester, Manchester M13 9PL, UK; (S.A.R.); (C.S.G.); (M.J.S.F.)
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15
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Öztürk-Öncel MÖ, Leal-Martínez BH, Monteiro RF, Gomes ME, Domingues RMA. A dive into the bath: embedded 3D bioprinting of freeform in vitro models. Biomater Sci 2023; 11:5462-5473. [PMID: 37489648 PMCID: PMC10408712 DOI: 10.1039/d3bm00626c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 07/19/2023] [Indexed: 07/26/2023]
Abstract
Designing functional, vascularized, human scale in vitro models with biomimetic architectures and multiple cell types is a highly promising strategy for both a better understanding of natural tissue/organ development stages to inspire regenerative medicine, and to test novel therapeutics on personalized microphysiological systems. Extrusion-based 3D bioprinting is an effective biofabrication technology to engineer living constructs with predefined geometries and cell patterns. However, bioprinting high-resolution multilayered structures with mechanically weak hydrogel bioinks is challenging. The advent of embedded 3D bioprinting systems in recent years offered new avenues to explore this technology for in vitro modeling. By providing a stable, cell-friendly and perfusable environment to hold the bioink during and after printing, it allows to recapitulate native tissues' architecture and function in a well-controlled manner. Besides enabling freeform bioprinting of constructs with complex spatial organization, support baths can further provide functional housing systems for their long-term in vitro maintenance and screening. This minireview summarizes the recent advances in this field and discuss the enormous potential of embedded 3D bioprinting technologies as alternatives for the automated fabrication of more biomimetic in vitro models.
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Affiliation(s)
- M Özgen Öztürk-Öncel
- 3B's Research Group I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque de Ciência e Tecnologia Zona Industrial da Gandra Barco, Guimarães 4805-017, Portugal.
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Baltazar Hiram Leal-Martínez
- 3B's Research Group I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque de Ciência e Tecnologia Zona Industrial da Gandra Barco, Guimarães 4805-017, Portugal.
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Rosa F Monteiro
- 3B's Research Group I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque de Ciência e Tecnologia Zona Industrial da Gandra Barco, Guimarães 4805-017, Portugal.
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Manuela E Gomes
- 3B's Research Group I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque de Ciência e Tecnologia Zona Industrial da Gandra Barco, Guimarães 4805-017, Portugal.
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Rui M A Domingues
- 3B's Research Group I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque de Ciência e Tecnologia Zona Industrial da Gandra Barco, Guimarães 4805-017, Portugal.
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
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16
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Wei H, Yu S, Zhang Y, Zhang H, Ma Y, Xu M, An P, Zhou Y, Halila S, Wei Y, Chen J. Injectable chitosan/xyloglucan composite hydrogel with mechanical adaptivity and endogenous bioactivity for skin repair. Carbohydr Polym 2023; 313:120904. [PMID: 37182937 DOI: 10.1016/j.carbpol.2023.120904] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 03/17/2023] [Accepted: 04/09/2023] [Indexed: 05/16/2023]
Abstract
Delayed or chronic wound healing is one of severe clinical issues. Developing scaffold materials capable of supporting cells and inducing tissue regeneration remains a challenge. Here, a polysaccharide-based hydrogel is constructed for promoting full-thickness skin wound healing in mouse model. The engineering hydrogel consists of a dynamic crosslinking network formed by the Schiff base reaction between aldehyde-containing xyloglucan and methacrylated chitosan. Its reversible gel-sol-gel transition upon shearing force is highly beneficial to completely cover and fill irregular wound shape. The second covalent cross-linking network achieved by photo-initiated polymerization offers a feasible way to tune the mechanical property of hydrogel after injection, with an ideal mechanical adaptivity for clinical application. Remarkably, both in vitro and in vivo evaluations demonstrate that the hydrogel with endogenously bioactive galactoside units can promote cell spheroid formation and accelerate wound healing by expediting re-epithelialization, collagen deposition, angiogenesis as well as the formation of hair follicles.
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Affiliation(s)
- Hua Wei
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Shengkai Yu
- Research Institute for Medical and Biological Engineering, Ningbo University, Ningbo 315211, China
| | - Yansheng Zhang
- Zhejiang Engineering Research Center for Biomedical Materials, Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315300, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hua Zhang
- Research Institute for Medical and Biological Engineering, Ningbo University, Ningbo 315211, China
| | - Yuxi Ma
- Zhejiang Engineering Research Center for Biomedical Materials, Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315300, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mengjia Xu
- Zhejiang Engineering Research Center for Biomedical Materials, Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315300, China
| | - Peng An
- Zhejiang Engineering Research Center for Biomedical Materials, Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315300, China
| | - Yang Zhou
- Zhejiang Engineering Research Center for Biomedical Materials, Zhejiang International Scientific and Technological Cooperative Base of Biomedical Materials and Technology, Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315300, China
| | - Sami Halila
- Université Grenoble Alpes, CNRS, CERMAV, Grenoble 38000, France.
| | - Yen Wei
- Department of Chemistry and the Tsinghua Center for Frontier Polymer Research, Tsinghua University, Beijing 100084, China.
| | - Jing Chen
- Institute of Medical Sciences, The Second Hospital and Shandong University Center for Orthopaedics, Cheeloo College of Medicine, Shandong University, Jinan 250033, China.
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17
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Morozova SM, Gevorkian A, Kumacheva E. Design, characterization and applications of nanocolloidal hydrogels. Chem Soc Rev 2023. [PMID: 37464914 DOI: 10.1039/d3cs00387f] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Nanocolloidal gels (NCGs) are an emerging class of soft matter, in which nanoparticles act as building blocks of the colloidal network. Chemical or physical crosslinking enables NCG synthesis and assembly from a broad range of nanoparticles, polymers, and low-molecular weight molecules. The synergistic properties of NCGs are governed by nanoparticle composition, dimensions and shape, the mechanism of nanoparticle bonding, and the NCG architecture, as well as the nature of molecular crosslinkers. Nanocolloidal gels find applications in soft robotics, bioengineering, optically active coatings and sensors, optoelectronic devices, and absorbents. This review summarizes currently scattered aspects of NCG formation, properties, characterization, and applications. We describe the diversity of NCG building blocks, discuss the mechanisms of NCG formation, review characterization techniques, outline NCG fabrication and processing methods, and highlight most common NCG applications. The review is concluded with the discussion of perspectives in the design and development of NCGs.
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Affiliation(s)
- Sofia M Morozova
- N.E. Bauman Moscow State Technical University, 5/1 2-nd Baumanskaya street, 105005, Moscow, Russia
- Department of Chemistry University of Toronto, 80 Saint George street, Toronto, Ontario M5S 3H6, Canada.
| | - Albert Gevorkian
- Department of Chemistry University of Toronto, 80 Saint George street, Toronto, Ontario M5S 3H6, Canada.
| | - Eugenia Kumacheva
- Department of Chemistry University of Toronto, 80 Saint George street, Toronto, Ontario M5S 3H6, Canada.
- Department of Chemical Engineering and Applied Chemistry University of Toronto, 200 College street, Toronto, Ontario M5S 3E5, Canada
- The Institute of Biomaterials and Biomedical Engineering University of Toronto, 4 Taddle Creek Road, Toronto, Ontario M5S 3G9, Canada
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18
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Li S, Niu D, Shi T, Yun W, Yan S, Xu G, Yin J. Injectable, In Situ Self-cross-linking, Self-healing Poly(l-glutamic acid)/Polyethylene Glycol Hydrogels for Cartilage Tissue Engineering. ACS Biomater Sci Eng 2023; 9:2625-2635. [PMID: 37068303 DOI: 10.1021/acsbiomaterials.3c00041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
Abstract
Injectable hydrogels have drawn much attention in the field of tissue engineering because of advantages such as simple operation, strong plasticity, and good biocompatibility and biodegradability. Herein, we propose the novel design of injectable hydrogels via a Schiff base cross-linking reaction between adipic dihydrazide (ADH)-modified poly(l-glutamic acid) (PLGA-ADH) and benzaldehyde-terminated poly(ethylene glycol) (PEG-CHO). The effects of the mass fraction and the molar ratio of -CHO/-NH2 on the gelation time, mechanical properties, equilibrium swelling, and in vitro degradation of the hydrogels were examined. The PLGA/PEG hydrogels cross-linked by dynamic Schiff base linkages exhibited good self-healing ability. Additionally, the PLGA/PEG hydrogels had good biocompatibility with bone marrow-derived mesenchymal stem cells (BMSCs) and could effectively support BMSC proliferation and deposition of glycosaminoglycans and upregulate the expression of cartilage-specific genes. In a rat cartilage defect model, PLGA/PEG hydrogels significantly promoted new cartilage formation. The results suggest the prospect of the PLGA/PEG hydrogels in cartilage tissue engineering.
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Affiliation(s)
- Shuang Li
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
| | - Dongyang Niu
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China
| | - Tuhe Shi
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
| | - Wentao Yun
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
| | - Shifeng Yan
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
| | - Guohua Xu
- Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai 200003, PR China
| | - Jingbo Yin
- Department of Polymer Materials, School of Materials Science and Engineering, Shanghai University, Shanghai 200444, PR China
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19
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Bercea M. Rheology as a Tool for Fine-Tuning the Properties of Printable Bioinspired Gels. Molecules 2023; 28:molecules28062766. [PMID: 36985738 PMCID: PMC10058016 DOI: 10.3390/molecules28062766] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 03/12/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
Over the last decade, efforts have been oriented toward the development of suitable gels for 3D printing, with controlled morphology and shear-thinning behavior in well-defined conditions. As a multidisciplinary approach to the fabrication of complex biomaterials, 3D bioprinting combines cells and biocompatible materials, which are subsequently printed in specific shapes to generate 3D structures for regenerative medicine or tissue engineering. A major interest is devoted to the printing of biomimetic materials with structural fidelity after their fabrication. Among some requirements imposed for bioinks, such as biocompatibility, nontoxicity, and the possibility to be sterilized, the nondamaging processability represents a critical issue for the stability and functioning of the 3D constructs. The major challenges in the field of printable gels are to mimic at different length scales the structures existing in nature and to reproduce the functions of the biological systems. Thus, a careful investigation of the rheological characteristics allows a fine-tuning of the material properties that are manufactured for targeted applications. The fluid-like or solid-like behavior of materials in conditions similar to those encountered in additive manufacturing can be monitored through the viscoelastic parameters determined in different shear conditions. The network strength, shear-thinning, yield point, and thixotropy govern bioprintability. An assessment of these rheological features provides significant insights for the design and characterization of printable gels. This review focuses on the rheological properties of printable bioinspired gels as a survey of cutting-edge research toward developing printed materials for additive manufacturing.
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Affiliation(s)
- Maria Bercea
- "Petru Poni" Institute of Macromolecular Chemistry, 41-A Grigore Ghica Voda Alley, 700487 Iasi, Romania
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20
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Huang D, Li Y, Ma Z, Lin H, Zhu X, Xiao Y, Zhang X. Collagen hydrogel viscoelasticity regulates MSC chondrogenesis in a ROCK-dependent manner. SCIENCE ADVANCES 2023; 9:eade9497. [PMID: 36763657 PMCID: PMC9916999 DOI: 10.1126/sciadv.ade9497] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 01/10/2023] [Indexed: 06/18/2023]
Abstract
Mesenchymal stem cell (MSC) chondrogenesis in three-dimensional (3D) culture involves dynamic changes in cytoskeleton architecture during mesenchymal condensation before morphogenesis. However, the mechanism linking dynamic mechanical properties of matrix to cytoskeletal changes during chondrogenesis remains unclear. Here, we investigated how viscoelasticity, a time-dependent mechanical property of collagen hydrogel, coordinates MSC cytoskeleton changes at different stages of chondrogenesis. The viscoelasticity of collagen hydrogel was modulated by controlling the gelling process without chemical cross-linking. In slower-relaxing hydrogels, although a disordered cortical actin promoted early chondrogenic differentiation, persistent myosin hyperactivation resulted in Rho-associated kinase (ROCK)-dependent apoptosis. Meanwhile, faster-relaxing hydrogels promoted cell-matrix interactions and eventually facilitated long-term chondrogenesis with mitigated myosin hyperactivation and cell apoptosis, similar to the effect of ROCK inhibitors. The current work not only reveals how matrix viscoelasticity coordinates MSC chondrogenesis and survival in a ROCK-dependent manner but also highlights viscoelasticity as a design parameter for biomaterials for chondrogenic 3D culture.
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21
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Zhao H, Sun J, Du Y, Zhang M, Yang Z, Su J, Peng X, Liu X, Sun G, Cui Y. In-situ immobilization of CuMOF on sodium alginate/chitosan/cellulose nanofibril composite hydrogel for fast and highly efficient removal of Pb2+ from aqueous solutions. J SOLID STATE CHEM 2023. [DOI: 10.1016/j.jssc.2023.123928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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22
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Guo X, Xi L, Yu M, Fan Z, Wang W, Ju A, Liang Z, Zhou G, Ren W. Regeneration of articular cartilage defects: Therapeutic strategies and perspectives. J Tissue Eng 2023; 14:20417314231164765. [PMID: 37025158 PMCID: PMC10071204 DOI: 10.1177/20417314231164765] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 03/03/2023] [Indexed: 04/03/2023] Open
Abstract
Articular cartilage (AC), a bone-to-bone protective device made of up to 80% water and populated by only one cell type (i.e. chondrocyte), has limited capacity for regeneration and self-repair after being damaged because of its low cell density, alymphatic and avascular nature. Resulting repair of cartilage defects, such as osteoarthritis (OA), is highly challenging in clinical treatment. Fortunately, the development of tissue engineering provides a promising method for growing cells in cartilage regeneration and repair by using hydrogels or the porous scaffolds. In this paper, we review the therapeutic strategies for AC defects, including current treatment methods, engineering/regenerative strategies, recent advances in biomaterials, and present emphasize on the perspectives of gene regulation and therapy of noncoding RNAs (ncRNAs), such as circular RNA (circRNA) and microRNA (miRNA).
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Affiliation(s)
- Xueqiang Guo
- Institutes of Health Central Plain, The
Third Affiliated Hospital of Xinxiang Medical University, Clinical Medical Center of
Tissue Engineering and Regeneration, Xinxiang Medical University, Xinxiang,
China
| | - Lingling Xi
- Institutes of Health Central Plain, The
Third Affiliated Hospital of Xinxiang Medical University, Clinical Medical Center of
Tissue Engineering and Regeneration, Xinxiang Medical University, Xinxiang,
China
| | - Mengyuan Yu
- Institutes of Health Central Plain, The
Third Affiliated Hospital of Xinxiang Medical University, Clinical Medical Center of
Tissue Engineering and Regeneration, Xinxiang Medical University, Xinxiang,
China
| | - Zhenlin Fan
- Institutes of Health Central Plain, The
Third Affiliated Hospital of Xinxiang Medical University, Clinical Medical Center of
Tissue Engineering and Regeneration, Xinxiang Medical University, Xinxiang,
China
| | - Weiyun Wang
- Institutes of Health Central Plain, The
Third Affiliated Hospital of Xinxiang Medical University, Clinical Medical Center of
Tissue Engineering and Regeneration, Xinxiang Medical University, Xinxiang,
China
| | - Andong Ju
- Abdominal Surgical Oncology, Xinxiang
Central Hospital, Institute of the Fourth Affiliated Hospital of Xinxiang Medical
University, Xinxiang, China
| | - Zhuo Liang
- Institutes of Health Central Plain, The
Third Affiliated Hospital of Xinxiang Medical University, Clinical Medical Center of
Tissue Engineering and Regeneration, Xinxiang Medical University, Xinxiang,
China
| | - Guangdong Zhou
- Institutes of Health Central Plain, The
Third Affiliated Hospital of Xinxiang Medical University, Clinical Medical Center of
Tissue Engineering and Regeneration, Xinxiang Medical University, Xinxiang,
China
- Department of Plastic and
Reconstructive Surgery, Shanghai Key Lab of Tissue Engineering, Shanghai 9th
People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai,
China
- Guangdong Zhou, Department of Plastic and
Reconstructive Surgery, Shanghai Key Lab of Tissue Engineering, Shanghai 9th
People’s Hospital, Shanghai Jiao Tong University School of Medicine, 639
Shanghai Manufacturing Bureau Road, Shanghai 200011, China.
| | - Wenjie Ren
- Institutes of Health Central Plain, The
Third Affiliated Hospital of Xinxiang Medical University, Clinical Medical Center of
Tissue Engineering and Regeneration, Xinxiang Medical University, Xinxiang,
China
- Wenjie Ren, Institute of Regenerative
Medicine and Orthopedics, Institutes of Health Central Plain, Xinxiang Medical
University, 601 Jinsui Avenue, Hongqi District, Xinxiang 453003, Henan, China.
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23
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Li Z, Du G, Yang H, Liu T, Yuan J, Liu C, Li J, Ran X, Gao W, Yang L. Construction of a cellulose-based high-performance adhesive with a crosslinking structure bridged by Schiff base and ureido groups. Int J Biol Macromol 2022; 223:971-979. [PMID: 36375662 DOI: 10.1016/j.ijbiomac.2022.11.069] [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: 08/28/2022] [Revised: 10/28/2022] [Accepted: 11/08/2022] [Indexed: 11/13/2022]
Abstract
Biomass-based adhesives are considered to be the preferred alternative to formaldehyde-type wood adhesives due to their wide range of sources, low cost, and sustainability. Herein, an environmentally friendly Schiff base cross-linked compact three-dimensional network structure bio-adhesive (DAC-PEI-U) derived from polyethyleneimine (PEI), urea, and cellulose was successfully prepared, verifying by detailed FTIR, NMR, and XPS analysis. Schiff base bridging between aldehyde groups in dialdehyde cellulose (DAC) and amino groups in polyurea (PEIU) not only constructed crosslinking networks but also endowed adhesives with good adhesion property. The dry bond strength of DAC-PEI-U adhesive reached 2.71 MPa, and the wet shear strength was 1.51 MPa (hot water) and 1.34 MPa (boiling water), respectively. It not only improves the water resistance and bonding process, but also displays simple synthesis and low cost. The improved performance of DAC-PEI-U adhesive is attributed to the generation of hyperbranched cross-linking structure in the adhesive system, which results in increased cross-linking density and promotes the formation of dense cross-sections in the curing adhesive. This work paves a solid way for developing cellulose-based wood adhesives with wet bonding properties, thus holding great potential as an alternative to formaldehyde-type adhesives in wood-based panel and indoor panel bonding industries.
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Affiliation(s)
- Zhi Li
- Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China
| | - Guanben Du
- Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China; Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains, Ministry of Education, Southwest Forestry University, Kunming 650224, China.
| | - Hongxing Yang
- Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China
| | - Tongda Liu
- Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China
| | - Jiafeng Yuan
- Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China
| | - Chuanyin Liu
- Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China
| | - Jun Li
- Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China
| | - Xin Ran
- Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China.
| | - Wei Gao
- Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China
| | - Long Yang
- Yunnan Province Key Lab of Wood Adhesives and Glued Products, International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China; Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains, Ministry of Education, Southwest Forestry University, Kunming 650224, China.
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24
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Liu Z, Zhu G, Dai J, Zhu Y, Lin N. Cellulose nanocrystals as sustainable additives in water-based cutting fluids. Carbohydr Polym 2022; 298:120139. [DOI: 10.1016/j.carbpol.2022.120139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 09/18/2022] [Accepted: 09/19/2022] [Indexed: 11/02/2022]
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25
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He Y, Chen R, Zhao C, Lu Q, Chen Z, Zhu H, Bu Q, Wang L, He H. Design of Near-Infrared-Triggered Cellulose Nanocrystal-Based In Situ Intelligent Wound Dressings for Drug-Resistant Bacteria-Infected Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2022; 14:51630-51644. [PMID: 36375077 DOI: 10.1021/acsami.2c13203] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Postoperative infected wound complications caused by residual tumor cells, bacterial biofilms, and drug-resistant bacteria have become the main challenge in postsurgical skin regeneration. Herein, a bionic cellulose nanocrystal (CNC)-based in situ intelligent wound dressing with near-infrared (NIR)-, temperature-, and pH-responsive functions was designed by using NIR-responsive CNC as the network skeleton, dynamic imine bonds between dialdehyde cellulose nanocrystals and doxorubicin, chitosan oligosaccharide as the pH-responsive switch, and temperature-sensitive poly(N-isopropyl acrylamide) as the temperature-responsive in situ formation switch. The as-prepared wound dressing with the intertwining three-dimensional (3D) network structure possessed high drug loadability of indocyanine green (30 mg/g) and doxorubicin (420 mg/g) simultaneously. The temperature-, NIR-, and pH-responsive switches endowed the wound dressing with controllable on-demand drug release behavior. In particular, the temperature switch endowed the dressing with a shape-adaptable ability on irregularly infected wounds. Interestingly, the wound dressing showed excellent antitumor activity for A375 tumor cells, antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA) and bacterial biofilm removal ability. Therefore, the developed wound dressing can provide an ideal synergistic treatment strategy combined with chemotherapy and photodynamic and photothermal therapy for postoperative drug-resistant bacteria-infected wound healing.
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Affiliation(s)
- Yonghui He
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp and Papermaking and Pollution Control, Nanning 530004, P. R. China
| | - Rimei Chen
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp and Papermaking and Pollution Control, Nanning 530004, P. R. China
| | - Chao Zhao
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp and Papermaking and Pollution Control, Nanning 530004, P. R. China
| | - Qin Lu
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp and Papermaking and Pollution Control, Nanning 530004, P. R. China
| | - Zhiping Chen
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp and Papermaking and Pollution Control, Nanning 530004, P. R. China
| | - Hongxiang Zhu
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp and Papermaking and Pollution Control, Nanning 530004, P. R. China
| | - Qing Bu
- The First Affiliated Hospital of Guangxi Medical University, Nanning 530021, P. R. China
| | - Lei Wang
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp and Papermaking and Pollution Control, Nanning 530004, P. R. China
| | - Hui He
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, P. R. China
- Guangxi Key Laboratory of Clean Pulp and Papermaking and Pollution Control, Nanning 530004, P. R. China
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26
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He X, Lu Q. Design and fabrication strategies of cellulose nanocrystal-based hydrogel and its highlighted application using 3D printing: A review. Carbohydr Polym 2022; 301:120351. [DOI: 10.1016/j.carbpol.2022.120351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/30/2022] [Accepted: 11/11/2022] [Indexed: 11/18/2022]
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27
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Sarker P, Nalband DM, Freytes DO, Rojas OJ, Khan SA. High-Axial-Aspect Tannic Acid Microparticles Facilitate Gelation and Injectability of Collagen-Based Hydrogels. Biomacromolecules 2022; 23:4696-4708. [PMID: 36198084 DOI: 10.1021/acs.biomac.2c00916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Injectable collagen-based hydrogels offer great promise for tissue engineering and regeneration, but their use is limited by poor mechanical strength. Herein, we incorporate tannic acid (TA) to tailor the rheology of the corresponding hydrogels while simultaneously adding the therapeutic benefits inherent to this polyphenolic component. TA in the solution form and needle-shaped TA microparticles are combined with collagen and the respective systems studied for their time-dependent sol-gel transitions (from storage to body temperatures, 4-37 °C) as a function of TA concentration. Compared to systems incorporating TA microparticles, those with dissolved TA, applied at a similar concentration, generate a less significant enhancement of the elastic modulus. Premature gelation at a low temperature and associated colloidal arrest of the system are proposed as a main factor explaining this limited performance. A higher yield stress (elastic stress method) is determined for systems loaded with TA microparticles compared to the system with dissolved TA. These results are interpreted in terms of the underlying interactions of TA with collagen, as probed by spectroscopy and isothermal titration calorimetry. Importantly, hydrogels containing TA microparticles show high cell viability (human dermal fibroblasts) and comparative cellular activity relative to the collagen-only hydrogel. Overall, composite hydrogels incorporating TA microparticles demonstrate a new, simple, and better-performance alternative to cell culturing and difficult implantation scenarios.
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Affiliation(s)
- Prottasha Sarker
- Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Danielle M Nalband
- Joint Department of Biomedical Engineering, North Carolina State University/ University of North Carolina-Chapel Hill, Raleigh, North Carolina 27695, United States.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Donald O Freytes
- Joint Department of Biomedical Engineering, North Carolina State University/ University of North Carolina-Chapel Hill, Raleigh, North Carolina 27695, United States.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Orlando J Rojas
- Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States.,Bioproducts Institute, Department of Chemical & Biological Engineering, Department of Chemistry and Department of Wood Science, The University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
| | - Saad A Khan
- Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
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28
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Leung KS, Shirazi S, Cooper LF, Ravindran S. Biomaterials and Extracellular Vesicle Delivery: Current Status, Applications and Challenges. Cells 2022; 11:cells11182851. [PMID: 36139426 PMCID: PMC9497093 DOI: 10.3390/cells11182851] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/05/2022] [Accepted: 09/07/2022] [Indexed: 12/14/2022] Open
Abstract
In this review, we will discuss the current status of extracellular vesicle (EV) delivery via biopolymeric scaffolds for therapeutic applications and the challenges associated with the development of these functionalized scaffolds. EVs are cell-derived membranous structures and are involved in many physiological processes. Naïve and engineered EVs have much therapeutic potential, but proper delivery systems are required to prevent non-specific and off-target effects. Targeted and site-specific delivery using polymeric scaffolds can address these limitations. EV delivery with scaffolds has shown improvements in tissue remodeling, wound healing, bone healing, immunomodulation, and vascular performance. Thus, EV delivery via biopolymeric scaffolds is becoming an increasingly popular approach to tissue engineering. Although there are many types of natural and synthetic biopolymers, the overarching goal for many tissue engineers is to utilize biopolymers to restore defects and function as well as support host regeneration. Functionalizing biopolymers by incorporating EVs works toward this goal. Throughout this review, we will characterize extracellular vesicles, examine various biopolymers as a vehicle for EV delivery for therapeutic purposes, potential mechanisms by which EVs exert their effects, EV delivery for tissue repair and immunomodulation, and the challenges associated with the use of EVs in scaffolds.
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Affiliation(s)
- Kasey S. Leung
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Sajjad Shirazi
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL 60612, USA
| | - Lyndon F. Cooper
- School of Dentistry, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Sriram Ravindran
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL 60612, USA
- Correspondence:
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29
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Zhu S, Li Y, He Z, Ji L, Zhang W, Tong Y, Luo J, Yu D, Zhang Q, Bi Q. Advanced injectable hydrogels for cartilage tissue engineering. Front Bioeng Biotechnol 2022; 10:954501. [PMID: 36159703 PMCID: PMC9493100 DOI: 10.3389/fbioe.2022.954501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 06/28/2022] [Indexed: 01/10/2023] Open
Abstract
The rapid development of tissue engineering makes it an effective strategy for repairing cartilage defects. The significant advantages of injectable hydrogels for cartilage injury include the properties of natural extracellular matrix (ECM), good biocompatibility, and strong plasticity to adapt to irregular cartilage defect surfaces. These inherent properties make injectable hydrogels a promising tool for cartilage tissue engineering. This paper reviews the research progress on advanced injectable hydrogels. The cross-linking method and structure of injectable hydrogels are thoroughly discussed. Furthermore, polymers, cells, and stimulators commonly used in the preparation of injectable hydrogels are thoroughly reviewed. Finally, we summarize the research progress of the latest advanced hydrogels for cartilage repair and the future challenges for injectable hydrogels.
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Affiliation(s)
- Senbo Zhu
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yong Li
- Zhejiang University of Technology, Hangzhou, China
| | - Zeju He
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
| | - Lichen Ji
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
| | - Wei Zhang
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Yu Tong
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Junchao Luo
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Dongsheng Yu
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Qiong Zhang
- Center for Operating Room, Department of Nursing, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Qing Bi
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
- *Correspondence: Qing Bi,
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30
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Xu J, Xu X, Xu C, Jing Y, Shentu B. Preparation and characterization of micro/nanocellulose reinforced PVDF/wood composites. Int J Biol Macromol 2022; 220:766-774. [PMID: 35987360 DOI: 10.1016/j.ijbiomac.2022.08.105] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/27/2022] [Accepted: 08/15/2022] [Indexed: 11/05/2022]
Abstract
Polyvinylidene fluoride (PVDF) is commonly used in the chemical, electronic, and petrochemical industries because of its chemical and physical attributes. This study aimed to make novel PVDF-based composite with a high loading of silanized wood powder and micro/nanocellulose fibers, where glycerol acts as both a dispersant and a plasticizer all-in-one composite application for the first time. The purpose was also extended to systematically investigate their mechanical properties and melt flow. Results have demonstrated the efficiency of utilizing the cellulose fibers in bio-composites. With the addition of 30 wt% of filling materials, When the content of silanized cellulose fibers in glycerol dispersion is 25 wt%, the flexural strength and tensile strength reach the maximum value 72.30 MPa and 52.28 MPa. The experimental results indicate that silanized micro/nanocellulose fiber-reinforced PVDF/wood composites are a promising composite formula to help improve performance and reduce costs. It is an excellent example of utilizing biomass resources as a renewable/recyclable, sustainable and low-cost material to reduce the use of petroleum-based polymer, and improve the mechanical properties of composites.
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Affiliation(s)
- Junfei Xu
- State Key Lab of Chemical Engineering, Department of Chemical and biological Engineering, Zhejiang University, Hangzhou 310027, China; Zhejiang Green New Materials Co., Ltd, Quzhou 324000, China; Key laboratory of Air-driven Equipment of Zhejiang Province, College of Mechanical Engineering, Quzhou University, Quzhou 324000, China.
| | - Xijun Xu
- Zhejiang Green New Materials Co., Ltd, Quzhou 324000, China
| | - Cheng Xu
- Zhejiang Green New Materials Co., Ltd, Quzhou 324000, China
| | - Yabin Jing
- Zhejiang Green New Materials Co., Ltd, Quzhou 324000, China
| | - Baoqing Shentu
- State Key Lab of Chemical Engineering, Department of Chemical and biological Engineering, Zhejiang University, Hangzhou 310027, China.
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31
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Szychlinska MA, Bucchieri F, Fucarino A, Ronca A, D’Amora U. Three-Dimensional Bioprinting for Cartilage Tissue Engineering: Insights into Naturally-Derived Bioinks from Land and Marine Sources. J Funct Biomater 2022; 13:jfb13030118. [PMID: 35997456 PMCID: PMC9397043 DOI: 10.3390/jfb13030118] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/07/2022] [Accepted: 08/10/2022] [Indexed: 12/02/2022] Open
Abstract
In regenerative medicine and tissue engineering, the possibility to: (I) customize the shape and size of scaffolds, (II) develop highly mimicked tissues with a precise digital control, (III) manufacture complex structures and (IV) reduce the wastes related to the production process, are the main advantages of additive manufacturing technologies such as three-dimensional (3D) bioprinting. Specifically, this technique, which uses suitable hydrogel-based bioinks, enriched with cells and/or growth factors, has received significant consideration, especially in cartilage tissue engineering (CTE). In this field of interest, it may allow mimicking the complex native zonal hyaline cartilage organization by further enhancing its biological cues. However, there are still some limitations that need to be overcome before 3D bioprinting may be globally used for scaffolds’ development and their clinical translation. One of them is represented by the poor availability of appropriate, biocompatible and eco-friendly biomaterials, which should present a series of specific requirements to be used and transformed into a proper bioink for CTE. In this scenario, considering that, nowadays, the environmental decline is of the highest concerns worldwide, exploring naturally-derived hydrogels has attracted outstanding attention throughout the scientific community. For this reason, a comprehensive review of the naturally-derived hydrogels, commonly employed as bioinks in CTE, was carried out. In particular, the current state of art regarding eco-friendly and natural bioinks’ development for CTE was explored. Overall, this paper gives an overview of 3D bioprinting for CTE to guide future research towards the development of more reliable, customized, eco-friendly and innovative strategies for CTE.
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Affiliation(s)
- Marta Anna Szychlinska
- Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, 90127 Palermo, Italy
| | - Fabio Bucchieri
- Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, 90127 Palermo, Italy
| | - Alberto Fucarino
- Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, 90127 Palermo, Italy
| | - Alfredo Ronca
- Institute of Polymers, Composites and Biomaterials, National Research Council, 80125 Naples, Italy
| | - Ugo D’Amora
- Institute of Polymers, Composites and Biomaterials, National Research Council, 80125 Naples, Italy
- Correspondence:
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32
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Torabizadeh F, Fadaie M, Mirzaei E, Sadeghi S, Nejabat GR. Tailoring structural properties, mechanical behavior and cellular performance of collagen hydrogel through incorporation of cellulose manofibrils and cellulose nanocrystals: A comparative study. Int J Biol Macromol 2022; 219:438-451. [DOI: 10.1016/j.ijbiomac.2022.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 08/01/2022] [Accepted: 08/02/2022] [Indexed: 11/27/2022]
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33
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Li S, Dong Q, Peng X, Chen Y, Yang H, Xu W, Zhao Y, Xiao P, Zhou Y. Self-Healing Hyaluronic Acid Nanocomposite Hydrogels with Platelet-Rich Plasma Impregnated for Skin Regeneration. ACS NANO 2022; 16:11346-11359. [PMID: 35848721 DOI: 10.1021/acsnano.2c05069] [Citation(s) in RCA: 66] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The development of natural hydrogels with sufficient strength and self-healing capacity to accelerate skin wound healing is still challenging. Herein, a hyaluronic acid nanocomposite hydrogel was developed based on aldehyde-modified sodium hyaluronate (AHA), hydrazide-modified sodium hyaluronate (ADA), and aldehyde-modified cellulose nanocrystals (oxi-CNC). This hydrogel was formed in situ using dynamic acylhydrazone bonds via a double-barreled syringe. This hydrogel exhibited improved strength and excellent self-healing ability. Furthermore, platelet-rich plasma (PRP) can be loaded in the hyaluronic acid nanocomposite hydrogels (ADAC) via imine bonds formed between amino groups on PRP (e.g., fibrinogen) and aldehyde groups on AHA or oxi-CNC to promote skin wound healing synergistically. As expected, ADAC hydrogel could protect and release PRP sustainably. In animal experiments, ADAC@PRP hydrogel significantly promoted full-thickness skin wound healing through enhancing the formation of granulation tissue, facilitating collagen deposition, and accelerating re-epithelialization and neovascularization. This self-healing nanocomposite hydrogel with PRP loading appears to be a promising candidate for wound therapy.
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Affiliation(s)
- Shangzhi Li
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Qi Dong
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Disease, TaiKang Medical School (School of Basic Medicine Sciences), Wuhan University, Wuhan 430071, People's Republic of China
| | - Xiaotong Peng
- Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia
| | - Yun Chen
- Department of Biomedical Engineering and Hubei Province Key Laboratory of Allergy and Immune Related Disease, TaiKang Medical School (School of Basic Medicine Sciences), Wuhan University, Wuhan 430071, People's Republic of China
| | - Hongjun Yang
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Weilin Xu
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
| | - Yanteng Zhao
- Department of Blood Transfusion, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Pu Xiao
- Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia
| | - Yingshan Zhou
- State Key Laboratory of New Textile Materials and Advanced Processing Technologies, Wuhan Textile University, Wuhan 430073, People's Republic of China
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34
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Long S, Xie C, Lu X. Natural polymer‐based adhesive hydrogel for biomedical applications. BIOSURFACE AND BIOTRIBOLOGY 2022. [DOI: 10.1049/bsb2.12036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Siyu Long
- Key Laboratory of Advanced Technologies of Materials Ministry of Education School of Materials Science and Engineering Southwest Jiaotong University Chengdu China
- Yibin Research Institute Southwest Jiaotong University Yibin China
| | - Chaoming Xie
- Key Laboratory of Advanced Technologies of Materials Ministry of Education School of Materials Science and Engineering Southwest Jiaotong University Chengdu China
- Yibin Research Institute Southwest Jiaotong University Yibin China
| | - Xiong Lu
- Key Laboratory of Advanced Technologies of Materials Ministry of Education School of Materials Science and Engineering Southwest Jiaotong University Chengdu China
- Yibin Research Institute Southwest Jiaotong University Yibin China
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35
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Xu Z, Yuan L, Liu Q, Li D, Mu C, Zhao L, Li X, Ge L. Crosslinking effect of dialdehyde cholesterol modified starch nanoparticles on collagen hydrogel. Carbohydr Polym 2022; 285:119237. [DOI: 10.1016/j.carbpol.2022.119237] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/24/2022] [Accepted: 02/06/2022] [Indexed: 01/23/2023]
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Tang Z, Zhao M, Li N, Xiao H, Miao Q, Zhang M, Liu K, Huang L, Chen L, Zeng H, Wu H. Self-healing, reusable and conductive cellulose nanocrystals-containing adhesives. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128797] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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37
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Yi X, Xu Z, Liu Q, Zhou H, Yuan L, Li D, Zhao L, Mu C, Ge L. Matrix metalloproteinase-responsive collagen-oxidized hyaluronic acid injectable hydrogels for osteoarthritic therapy. BIOMATERIALS ADVANCES 2022; 137:212804. [PMID: 35929283 DOI: 10.1016/j.bioadv.2022.212804] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 04/01/2022] [Accepted: 04/11/2022] [Indexed: 06/15/2023]
Abstract
Drug delivery system and intra-articular injection have been clinically applied to prolong drug residence time and reduce side effects in the treatment of osteoarthrosis. Herein, injectable hydrogels with sustained-dexamethasone sodium phosphate (DSP) release behavior in response to matrix metalloproteinase (MMP) were developed for osteoarthritic therapy. Hyaluronic acid undergoes specific oxidation in the present of sodium periodate to prepare oxidized hyaluronic acid (OHA). Then the DSP-loaded collagen-based hydrogels (Col-OHA) were developed by the Schiff's base crosslinking between OHA and Type I collagen besides the self-assembly of collagen induced by OHA. The results indicate that the collagen self-assembly into collagen fibrils makes great contribution for shortening gelation time of Col-OHA hydrogels. Col-OHA hydrogels possess interconnected porous microstructure, good injectability, excellent self-healing performance, strong mechanical property, low swelling ability, good blood compatibility and no cytotoxicity. Significantly, Col-OHA hydrogels show highly sensitive and significantly substantially sustained release of DSP in response to MMP. DSP-loaded Col-OHA hydrogel possesses significant inhibition for the production of inflammatory cytokines in the joint synovium, which can effectively relieve the symptoms of osteoarthritis continuously. Col-OHA hydrogel has no obvious effect on liver and kidney functions. Overall, the Col-OHA hydrogels with excellent biocompatibility are the promising drug-loading system for the intra-articular injection therapy of osteoarthrosis.
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Affiliation(s)
- Xueling Yi
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Zhilang Xu
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Qisong Liu
- Research Institute of Natural Gas Technology, Petro China Southwest Oil & Gas Field Company, Chengdu 610213, PR China
| | - Hongmei Zhou
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Lun Yuan
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Defu Li
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Lei Zhao
- Department of Periodontics, West China Hospital of Stomatology, Sichuan University, 610041, PR China
| | - Changdao Mu
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Liming Ge
- Department of Pharmaceutics and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China.
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Huang Y, Li X, Yang L. Hydrogel Encapsulation: Taking the Therapy of Mesenchymal Stem Cells and Their Derived Secretome to the Next Level. Front Bioeng Biotechnol 2022; 10:859927. [PMID: 35433656 PMCID: PMC9011103 DOI: 10.3389/fbioe.2022.859927] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 03/03/2022] [Indexed: 01/04/2023] Open
Abstract
Biomaterials have long been the focus of research and hydrogels are representatives thereof. Hydrogels have attracted much attention in the medical sciences, especially as a candidate drug-carrier. Mesenchymal stem cells (MSC) and MSC-derived secretome are a promising therapeutic method, owing to the intrinsic therapeutic properties thereof. The low cell retention and poor survival rate of MSCs make further research difficult, which is a problem that hydrogel encapsulation largely solved. In this review, safety and feasibility of hydrogel-encapsulated MSCs, the improvement of the survival, retention, and targeting, and the enhancement of their therapeutic effect by hydrogels were studied. The status of the hydrogel-encapsulated MSC secretome was also discussed.
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Affiliation(s)
- Yuling Huang
- Departments of Geriatrics, First Affiliated Hospital of China Medical University, Shenyang, China
| | - Xin Li
- Departments of Infectious Disease, First Affiliated Hospital of China Medical University, Shenyang, China
- *Correspondence: Xin Li, ; Lina Yang,
| | - Lina Yang
- Departments of Geriatrics, First Affiliated Hospital of China Medical University, Shenyang, China
- *Correspondence: Xin Li, ; Lina Yang,
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Takács T, Abdelghafour MM, Lamch Ł, Szenti I, Sebők D, Janovák L, Kukovecz Á. Facile modification of hydroxyl group containing macromolecules provides autonomously self-healing polymers through the formation of dynamic Schiff base linkages. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111086] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Natural Hydrogel-Based Bio-Inks for 3D Bioprinting in Tissue Engineering: A Review. Gels 2022; 8:gels8030179. [PMID: 35323292 PMCID: PMC8948717 DOI: 10.3390/gels8030179] [Citation(s) in RCA: 70] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 02/06/2023] Open
Abstract
Three-dimensional (3D) printing is well acknowledged to constitute an important technology in tissue engineering, largely due to the increasing global demand for organ replacement and tissue regeneration. In 3D bioprinting, which is a step ahead of 3D biomaterial printing, the ink employed is impregnated with cells, without compromising ink printability. This allows for immediate scaffold cellularization and generation of complex structures. The use of cell-laden inks or bio-inks provides the opportunity for enhanced cell differentiation for organ fabrication and regeneration. Recognizing the importance of such bio-inks, the current study comprehensively explores the state of the art of the utilization of bio-inks based on natural polymers (biopolymers), such as cellulose, agarose, alginate, decellularized matrix, in 3D bioprinting. Discussions regarding progress in bioprinting, techniques and approaches employed in the bioprinting of natural polymers, and limitations and prospects concerning future trends in human-scale tissue and organ fabrication are also presented.
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Sahajpal K, Sharma S, Shekhar S, Kumar A, Meena MK, Bhagi AK, Sharma B. Dynamic Protein and Polypeptide Hydrogels Based on Schiff Base Co-assembly for Biomedicine. J Mater Chem B 2022; 10:3173-3198. [DOI: 10.1039/d2tb00077f] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Stimuli-responsive hydrogels are promising building blocks for biomedical devices, attributable to their excellent hydrophilicity, biocompatibility, and dynamic responsiveness to temperature, light, pH, and water content. Although hydrogels find interesting applications...
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Enhancing Stem Cell Therapy for Cartilage Repair in Osteoarthritis-A Hydrogel Focused Approach. Gels 2021; 7:gels7040263. [PMID: 34940323 PMCID: PMC8701810 DOI: 10.3390/gels7040263] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/05/2021] [Accepted: 12/09/2021] [Indexed: 12/19/2022] Open
Abstract
Sem cells hold tremendous promise for the treatment of cartilage repair in osteoarthritis. In addition to their multipotency, stem cells possess immunomodulatory effects that can alleviate inflammation and enhance cartilage repair. However, the widely clinical application of stem cell therapy to cartilage repair and osteoarthritis has proven difficult due to challenges in large-scale production, viability maintenance in pathological tissue site and limited therapeutic biological activity. This review aims to provide a perspective from hydrogel-focused approach to address few key challenges in stem cell-based therapy for cartilage repair and highlight recent progress in advanced hydrogels, particularly microgels and dynamic hydrogels systems for improving stem cell survival, retention and regulation of stem cell fate. Finally, progress in hydrogel-assisted gene delivery and genome editing approaches for the development of next generation of stem cell therapy for cartilage repair in osteoarthritis are highlighted.
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Monavari M, Homaeigohar S, Fuentes-Chandía M, Nawaz Q, Monavari M, Venkatraman A, Boccaccini AR. 3D printing of alginate dialdehyde-gelatin (ADA-GEL) hydrogels incorporating phytotherapeutic icariin loaded mesoporous SiO 2-CaO nanoparticles for bone tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 131:112470. [PMID: 34857258 DOI: 10.1016/j.msec.2021.112470] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 09/19/2021] [Accepted: 09/28/2021] [Indexed: 11/16/2022]
Abstract
3D printing enables a better control over the microstructure of bone restoring constructs, addresses the challenges seen in the preparation of patient-specific bone scaffolds, and overcomes the bottlenecks that can appear in delivering drugs/growth factors promoting bone regeneration. Here, 3D printing is employed for the fabrication of an osteogenic construct made of hydrogel nanocomposites. Alginate dialdehyde-gelatin (ADA-GEL) hydrogel is reinforced by the incorporation of bioactive glass nanoparticles, i.e. mesoporous silica-calcia nanoparticles (MSNs), in two types of drug (icariin) loading. The composites hydrogel is printed as superhydrated composite constructs in a grid structure. The MSNs not only improve the mechanical stiffness of the constructs but also induce formation of an apatite layer when the construct is immersed in simulated body fluid (SBF), thereby promoting cell adhesion and proliferation. The nanocomposite constructs can hold and deliver icariin efficiently, regardless of its incorporation mode, either as loaded into the MSNs or freely distributed within the hydrogel. Biocompatibility tests showed that the hydrogel nanocomposites assure enhanced osteoblast proliferation, adhesion, and differentiation. Such optimum biological properties stem from the superior biocompatibility of ADA-GEL, the bioactivity of the MSNs, and the supportive effect of icariin in relation to cell proliferation and differentiation. Taken together, given the achieved structural and biological properties and effective drug delivery capability, the hydrogel nanocomposites show promising potential for bone tissue engineering.
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Affiliation(s)
- Mahshid Monavari
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Shahin Homaeigohar
- School of Science and Engineering, University of Dundee, Dundee DD1 4HN, United Kingdom
| | - Miguel Fuentes-Chandía
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Qaisar Nawaz
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Mehran Monavari
- Section eScience (S.3), Federal Institute for Materials Research and Testing, Unter den Eichen 87, Berlin 12205, Germany
| | - Arvind Venkatraman
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, 91058 Erlangen, Germany.
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Zhuang P, Greenberg Z, He M. Biologically enhanced starch bio-ink for promoting 3D cell growth. ADVANCED MATERIALS TECHNOLOGIES 2021; 6:2100551. [PMID: 34926789 PMCID: PMC8680409 DOI: 10.1002/admt.202100551] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Indexed: 06/14/2023]
Abstract
The excellent rheological property has legitimated the suitability of starch hydrogel for extrusion-based 3D printing. However, the inability to promote cell attachment and migration has precluded the non-modified starch hydrogel from direct applications in the biomedical field. Herein, we develop a novel 3D printable nanocomposite starch hydrogel with highly enhanced biocompatibility for promoting 3D cell growth, by formulating with gelatin nanoparticles and collagen. The rheological evaluation reveals the shear-thinning and thixotropic properties of the starch-based hydrogel, as well as the combinatorial effect of collagen and gelatin nanoparticles on maintaining the printability and 3D shape fidelity. The homogeneous microporous structure with abundant collagen fibers and gelatin nanoparticles interlaced and supplies rich attachment sites for cell growth. Corroborated by the cell metabolic activity study, the multiplied proliferation rate of cells on the 3D printed nanocomposite starch hydrogel scaffold confirms the remarkable enhancement of biological function of developed starch hydrogel. Hence, the developed nanocomposite starch hydrogel serves as a highly desirable bio-ink for advancing 3D tissue engineering.
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Affiliation(s)
- Pei Zhuang
- Department of Pharmaceutics, University of Florida, 2033 Mowry Rd, Gainesville, Florida, 32608, USA
| | - Zachary Greenberg
- Department of Pharmaceutics, University of Florida, 2033 Mowry Rd, Gainesville, Florida, 32608, USA
| | - Mei He
- Department of Pharmaceutics, University of Florida, 2033 Mowry Rd, Gainesville, Florida, 32608, USA
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Hafezi M, Nouri Khorasani S, Zare M, Esmaeely Neisiany R, Davoodi P. Advanced Hydrogels for Cartilage Tissue Engineering: Recent Progress and Future Directions. Polymers (Basel) 2021; 13:4199. [PMID: 34883702 PMCID: PMC8659862 DOI: 10.3390/polym13234199] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 12/18/2022] Open
Abstract
Cartilage is a tension- and load-bearing tissue and has a limited capacity for intrinsic self-healing. While microfracture and arthroplasty are the conventional methods for cartilage repair, these methods are unable to completely heal the damaged tissue. The need to overcome the restrictions of these therapies for cartilage regeneration has expanded the field of cartilage tissue engineering (CTE), in which novel engineering and biological approaches are introduced to accelerate the development of new biomimetic cartilage to replace the injured tissue. Until now, a wide range of hydrogels and cell sources have been employed for CTE to either recapitulate microenvironmental cues during a new tissue growth or to compel the recovery of cartilaginous structures via manipulating biochemical and biomechanical properties of the original tissue. Towards modifying current cartilage treatments, advanced hydrogels have been designed and synthesized in recent years to improve network crosslinking and self-recovery of implanted scaffolds after damage in vivo. This review focused on the recent advances in CTE, especially self-healing hydrogels. The article firstly presents the cartilage tissue, its defects, and treatments. Subsequently, introduces CTE and summarizes the polymeric hydrogels and their advances. Furthermore, characterizations, the advantages, and disadvantages of advanced hydrogels such as multi-materials, IPNs, nanomaterials, and supramolecular are discussed. Afterward, the self-healing hydrogels in CTE, mechanisms, and the physical and chemical methods for the synthesis of such hydrogels for improving the reformation of CTE are introduced. The article then briefly describes the fabrication methods in CTE. Finally, this review presents a conclusion of prevalent challenges and future outlooks for self-healing hydrogels in CTE applications.
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Affiliation(s)
- Mahshid Hafezi
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran;
| | - Saied Nouri Khorasani
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran;
| | - Mohadeseh Zare
- School of Metallurgy and Materials, University of Birmingham, Birmingham B15 2TT, UK;
| | - Rasoul Esmaeely Neisiany
- Department of Materials and Polymer Engineering, Faculty of Engineering, Hakim Sabzevari University, Sabzevar 96179-76487, Iran;
| | - Pooya Davoodi
- School of Pharmacy and Bioengineering, Hornbeam Building, Keele University, Staffordshire ST5 5BG, UK
- Guy Hilton Research Centre, Institute of Science and Technology in Medicine, Keele University, Staffordshire ST4 7QB, UK
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46
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Chen J, Zhu H, Zhu Y, Zhao C, Wang S, Zheng Y, Xie Z, Jin Y, Song H, Yang L, Zhang J, Dai J, Hu Z, Wang H. Injectable self-healing hydrogel with siRNA delivery property for sustained STING silencing and enhanced therapy of intervertebral disc degeneration. Bioact Mater 2021; 9:29-43. [PMID: 34820553 PMCID: PMC8586437 DOI: 10.1016/j.bioactmat.2021.08.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 08/04/2021] [Accepted: 08/04/2021] [Indexed: 12/12/2022] Open
Abstract
Inflammatory responses of nucleus pulposus (NP) can induce imbalanced anabolism and catabolism of extracellular matrix, and the cytosolic dsDNA accumulation and STING–NF–κB pathway activation found in NP inflammation are considered as fairly important cause of intervertebral disc (IVD) degeneration. Herein, we constructed a siSTING delivery hydrogel of aldehyde hyaluronic acid (HA-CHO) and poly(amidoamine) PAMAM/siRNA complex to intervene the abnormal STING signal for IVD degeneration treatment, where the formation of dynamic Schiff base bonds in the system (siSTING@HPgel) was able to overcome the shortcomings such as low cellular uptake, short half-life, and rapid degradation of siRNA-based strategy. PAMAM not only formed complexes with siRNA to promote siRNA transfection, but also served as dynamic crosslinker to construct hydrogel, and the injectable and self-healing hydrogel efficiently and steadily silenced STING expression in NP cells. Finally, the siSTING@HPgel significantly eased IVD inflammation and slowed IVD degeneration by prolonging STING knockdown in puncture-induced IVD degeneration rat model, revealing that STING pathway was a therapeutic target for IVD degeneration and such novel hydrogel had great potential for being applied to many other diseases for gene delivery. STING-NF-κB pathway activation was identified an important cause of intervertebral disc degeneration. PAMAM was employed as both linker and gene vector for siRNA delivery. The injectable self-healing hydrogel could significantly ease the IVD inflammation and degeneration by prolonging STING knockdown. This novel hydrogel system opened new ways of thinking and had great potential for gene delivery.
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Affiliation(s)
- Jiaxin Chen
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Haifeng Zhu
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Yutao Zhu
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Chenchen Zhao
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Shengyu Wang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Yixin Zheng
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Ziang Xie
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Yang Jin
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Honghai Song
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Linjun Yang
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Jin Zhang
- College of Chemical Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350108, PR China
| | - Jiayong Dai
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Zhijun Hu
- Department of Orthopaedic Surgery, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Key Laboratory of Musculoskeletal System Degeneration, Regeneration Translational Research of Zhejiang Province, East Qing Chun Road, Hangzhou, 310016, PR China
| | - Huaiyu Wang
- Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, 518055, Guangdong, PR China
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47
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Injectable supramolecular hydrogels based on host–guest interactions with cell encapsulation capabilities. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127338] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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48
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Thomas J, Chopra V, Sharma A, Panwar V, Kaushik S, Rajput S, Mittal M, Guha R, Chattopadhyay N, Ghosh D. An injectable hydrogel having proteoglycan-like hierarchical structure supports chondrocytes delivery and chondrogenesis. Int J Biol Macromol 2021; 190:474-486. [PMID: 34508717 DOI: 10.1016/j.ijbiomac.2021.08.226] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/18/2021] [Accepted: 08/31/2021] [Indexed: 10/20/2022]
Abstract
The ECM of cartilage is composed of proteoglycans (PG) that contain glycosaminoglycan (GAG), aggrecan, hyaluronic acid (HA) and other molecular components which play an important role in regulating chondrocyte functions via cell-matrix interactions, integrin-mediated signalling etc. Implantation of chondrocytes encapsulated in scaffolds that mimic the micro-architecture of proteoglycan, is expected to enhance cartilage repair. With an aim to create a hydrogel having macromolecular structure that resembles the cartilage-specific ECM, we constructed a hierarchal structure that mimic the PG. The bottle brush structure of the aggrecan was obtained using chondroitin sulphate and carboxymethyl cellulose which served as GAG and core protein mimic respectively. A proteoglycan-like structure was obtained by cross-linking it with modified chitosan that served as a HA substitute. The physico-chemical characteristics of the above cross-linked injectable hydrogel supported long term human articular chondrocyte subsistence and excellent post-injection viability. The chondrocytes encapsulated in the PMH expressed significant levels of articular cartilage specific markers like collagen II, aggrecan, GAGs etc., indicating the ability of the hydrogel to support chondrocyte differentiation. The biocompatibility and biodegradability of the hydrogels was confirmed using suitable in vivo studies. The results revealed that the PG-mimetic hydrogel could serve as a promising scaffold for chondrocyte implantation.
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Affiliation(s)
- Jijo Thomas
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306, India
| | - Vianni Chopra
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306, India
| | - Anjana Sharma
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306, India
| | - Vineeta Panwar
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306, India
| | - Swati Kaushik
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306, India
| | - Swati Rajput
- Division of Endocrinology and Centre for Research in ASTHI, CSIR-Central Drug Research Institute, Council of Scientific and Industrial Research, Lucknow 226031, U.P., India
| | - Monika Mittal
- Division of Endocrinology and Centre for Research in ASTHI, CSIR-Central Drug Research Institute, Council of Scientific and Industrial Research, Lucknow 226031, U.P., India
| | - Rajdeep Guha
- Laboratory Animal Facility, CSIR-Central Drug Research Institute, Council of Scientific and Industrial Research, Lucknow 226031, U.P., India
| | - Naibedya Chattopadhyay
- Division of Endocrinology and Centre for Research in ASTHI, CSIR-Central Drug Research Institute, Council of Scientific and Industrial Research, Lucknow 226031, U.P., India
| | - Deepa Ghosh
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector 81, Mohali, Punjab 140306, India.
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Szustak M, Gendaszewska-Darmach E. Nanocellulose-Based Scaffolds for Chondrogenic Differentiation and Expansion. Front Bioeng Biotechnol 2021; 9:736213. [PMID: 34485266 PMCID: PMC8415884 DOI: 10.3389/fbioe.2021.736213] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Accepted: 08/03/2021] [Indexed: 11/13/2022] Open
Abstract
Nanocellulose deserves special attention among the large group of biocompatible biomaterials. It exhibits good mechanical properties, which qualifies it for potential use as a scaffold imitating cartilage. However, the reconstruction of cartilage is a big challenge due to this tissue's limited regenerative capacity resulting from its lack of vascularization, innervations, and sparsely distributed chondrocytes. This feature restricts the infiltration of progenitor cells into damaged sites. Unfortunately, differentiated chondrocytes are challenging to obtain, and mesenchymal stem cells have become an alternative approach to promote chondrogenesis. Importantly, nanocellulose scaffolds induce the differentiation of stem cells into chondrocyte phenotypes. In this review, we present the recent progress of nanocellulose-based scaffolds promoting the development of cartilage tissue, especially within the emphasis on chondrogenic differentiation and expansion.
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Affiliation(s)
| | - Edyta Gendaszewska-Darmach
- Faculty of Biotechnology and Food Sciences, Institute of Molecular and Industrial Biotechnology, Lodz University of Technology, Lodz, Poland
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50
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Abstract
Hydrogels are an important class of soft materials that find use in bioactive agent delivery. Because of their high water content, hydrogels generally show poor mechanical strength. Long-term wear and tear in physiological conditions may lead to damage in the hydrogel structure during the delivery of bioactive agents. This results in burst and uncontrolled agent release. One strategy to solve this problem is to incorporate self-healing properties into a hydrogel so that the hydrogel can heal fractures automatically to restore original mechanical properties. The objectives of this article are to revisit the latest advances in the design of self-healing hydrogel-based carriers and to offer insights into further research to translate these carriers from the laboratory to real applications.
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Affiliation(s)
- Wing-Fu Lai
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China.,Ciechanover Institute of Precision and Regenerative Medicine, School of Life and Health Sciences, The Chinese University of Hong Kong (Shenzhen), Shenzhen 518172, China
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