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Lv H, Xu R, Xie X, Liang Q, Yuan W, Xia Y, Ao X, Tan S, Zhao L, Wu J, Wang Y. Injectable, degradable, and mechanically adaptive hydrogel induced by L-serine and allyl-functionalized chitosan with platelet-rich plasma for treating intrauterine adhesions. Acta Biomater 2024; 184:144-155. [PMID: 38964528 DOI: 10.1016/j.actbio.2024.06.043] [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: 03/15/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/06/2024]
Abstract
The integration of barrier materials with pharmacological therapy is a promising strategy to treat intrauterine adhesions (IUAs). However, most of these materials are surgically implanted in a fixed shape and incongruence with the natural mechanical properties of the uterus, causing poor adaptability and significant discomfort to the patients. Herein, an injectable, biodegradable, and mechanically adaptive hydrogel loaded with platelet-rich plasma (PRP) is created by L‑serine and allyl functionalized chitosan (ACS) to achieve efficient, comfortable, and minimally invasive treatment of IUAs. L‑serine induces fast gelation and mechanical reinforcement of the hydrogel, while ACS introduces, imparting a good injectability and complaint yet strong feature to the hydrogel. This design enables the hydrogel to adapt to the complex geometry and match the mechanical properties of the uterine. Moreover, the hydrogel exhibits proper degradability, sustained growth factors (GFs) of PRP release ability, and good biocompatibility. Consequently, the hydrogel shows promising therapeutic efficacy by reducing collagen fiber deposition and facilitating endometrium cell proliferation, thereby restoring the fertility function of the uterus in an IUAs model of rats. Accordingly, the combination of L‑serine and ACS-induced hydrogel with such advantages holds great potential for treating IUAs. STATEMENT OF SIGNIFICANCE: This research introduces a breakthrough in the treatment of intrauterine adhesions (IUAs) with an injectable, biodegradable and mechanically adaptive hydrogel using L‑serine and allyl functionalized chitosan (ACS). Unlike traditional surgical treatments, this hydrogel uniquely conforms to the uterus's geometry and mechanical properties, offering a minimally invasive, comfortable, and more effective solution. The hydrogel is designed to release growth factors from platelet-rich plasma (PRP) sustainably, promoting tissue regeneration by enhancing collagen fiber deposition and endometrium cell proliferation. Demonstrated efficacy in a rat model of IUAs indicates its great potential to significantly improve fertility restoration treatments. This advancement represents a significant leap in reproductive medicine, promising to transform IUAs treatment with its innovative approach to achieving efficient, comfortable, and minimally invasive therapy.
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Affiliation(s)
- Hongyi Lv
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Ruijuan Xu
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Xiangyan Xie
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Qianqian Liang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Wanting Yuan
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Yuting Xia
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Xue Ao
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Shiqiao Tan
- Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu 610041, China.
| | - Lijuan Zhao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Jinrong Wu
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Yi Wang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China.
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Mastella P, Todaro B, Luin S. Nanogels: Recent Advances in Synthesis and Biomedical Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1300. [PMID: 39120405 PMCID: PMC11314474 DOI: 10.3390/nano14151300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2024] [Revised: 07/27/2024] [Accepted: 07/30/2024] [Indexed: 08/10/2024]
Abstract
In the context of advanced nanomaterials research, nanogels (NGs) have recently gained broad attention for their versatility and promising biomedical applications. To date, a significant number of NGs have been developed to meet the growing demands in various fields of biomedical research. Summarizing preparation methods, physicochemical and biological properties, and recent applications of NGs may be useful to help explore new directions for their development. This article presents a comprehensive overview of the latest NG synthesis methodologies, highlighting advances in formulation with different types of hydrophilic or amphiphilic polymers. It also underlines recent biomedical applications of NGs in drug delivery and imaging, with a short section dedicated to biosafety considerations of these innovative nanomaterials. In conclusion, this article summarizes recent innovations in NG synthesis and their numerous applications, highlighting their considerable potential in the biomedical field.
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Affiliation(s)
- Pasquale Mastella
- NEST Laboratory, Scuola Normale Superiore, Piazza San Silvestro 12, 56127 Pisa, Italy
- Fondazione Pisana per la Scienza ONLUS, Via Ferruccio Giovannini 13, 56017 San Giuliano Terme, PI, Italy
| | - Biagio Todaro
- Department of Chemical Engineering, KU Leuven, Celestijnenlaan 200F, 3001 Leuven, Belgium;
| | - Stefano Luin
- NEST Laboratory, Scuola Normale Superiore, Piazza San Silvestro 12, 56127 Pisa, Italy
- NEST Laboratory, Istituto Nanoscienze-CNR, Piazza San Silvestro 12, 56127 Pisa, Italy
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Zhang H, Zhou Z, Zhang F, Wan C. Hydrogel-Based 3D Bioprinting Technology for Articular Cartilage Regenerative Engineering. Gels 2024; 10:430. [PMID: 39057453 PMCID: PMC11276275 DOI: 10.3390/gels10070430] [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: 05/13/2024] [Revised: 06/09/2024] [Accepted: 06/21/2024] [Indexed: 07/28/2024] Open
Abstract
Articular cartilage is an avascular tissue with very limited capacity of self-regeneration. Trauma or injury-related defects, inflammation, or aging in articular cartilage can induce progressive degenerative joint diseases such as osteoarthritis. There are significant clinical demands for the development of effective therapeutic approaches to promote articular cartilage repair or regeneration. The current treatment modalities used for the repair of cartilage lesions mainly include cell-based therapy, small molecules, surgical approaches, and tissue engineering. However, these approaches remain unsatisfactory. With the advent of three-dimensional (3D) bioprinting technology, tissue engineering provides an opportunity to repair articular cartilage defects or degeneration through the construction of organized, living structures composed of biomaterials, chondrogenic cells, and bioactive factors. The bioprinted cartilage-like structures can mimic native articular cartilage, as opposed to traditional approaches, by allowing excellent control of chondrogenic cell distribution and the modulation of biomechanical and biochemical properties with high precision. This review focuses on various hydrogels, including natural and synthetic hydrogels, and their current developments as bioinks in 3D bioprinting for cartilage tissue engineering. In addition, the challenges and prospects of these hydrogels in cartilage tissue engineering applications are also discussed.
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Affiliation(s)
- Hongji Zhang
- Key Laboratory of Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (H.Z.); (Z.Z.); (F.Z.)
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Key Laboratory of Regenerative Medicine (Shenzhen Base), Ministry of Education, School of Biomedical Sciences Core Laboratory, Institute of Stem Cell, Genomics and Translational Research, Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China
| | - Zheyuan Zhou
- Key Laboratory of Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (H.Z.); (Z.Z.); (F.Z.)
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Key Laboratory of Regenerative Medicine (Shenzhen Base), Ministry of Education, School of Biomedical Sciences Core Laboratory, Institute of Stem Cell, Genomics and Translational Research, Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China
| | - Fengjie Zhang
- Key Laboratory of Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (H.Z.); (Z.Z.); (F.Z.)
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Key Laboratory of Regenerative Medicine (Shenzhen Base), Ministry of Education, School of Biomedical Sciences Core Laboratory, Institute of Stem Cell, Genomics and Translational Research, Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China
| | - Chao Wan
- Key Laboratory of Regenerative Medicine, Ministry of Education, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong SAR, China; (H.Z.); (Z.Z.); (F.Z.)
- Center for Neuromusculoskeletal Restorative Medicine, Hong Kong Science Park, Hong Kong SAR, China
- Key Laboratory of Regenerative Medicine (Shenzhen Base), Ministry of Education, School of Biomedical Sciences Core Laboratory, Institute of Stem Cell, Genomics and Translational Research, Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen 518057, China
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Wang D, Zhang H, Chen Y, He J, Zhao L, Huang Y, Zhao F, Jiang Y, Fu S, Hong Z. Improving therapeutic effects of exosomes encapsulated gelatin methacryloyl/hyaluronic acid blended and oxygen releasing injectable hydrogel by cardiomyocytes induction and vascularization in rat myocardial infarction model. Int J Biol Macromol 2024; 271:132412. [PMID: 38754674 DOI: 10.1016/j.ijbiomac.2024.132412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 05/09/2024] [Accepted: 05/14/2024] [Indexed: 05/18/2024]
Abstract
Acute myocardial infarction (AMI) causes acute cardiac cell death when oxygen supply is disrupted. Improving oxygen flow to the damaged area could potentially achieve the to prevent cell death and provide cardiac regeneration. Here, we describe the production of oxygen-producing injectable bio-macromolecular hydrogels from natural polymeric components including gelatin methacryloyl (GelMA), hyaluronic acid (HA) loaded with catalase (CAT). Under hypoxic conditions, the O2-generating hydrogels (O2 (+) hydrogel) encapsulated with Mesenchymal stem cells (MSCs)-derived-exosomes (Exo- O2 (+) hydrogel) released substantial amounts of oxygen for >5 days. We demonstrated that after 7 days of in vitro cell culture, exhibits identical production of paracrine factors compared to those of culture of rat cardiac fibroblasts (RCFs), rat neonatal cardiomyocytes (RNCs) and Human Umbilical Vein Endothelial Cells (HUVECs), demonstrating its ability to replicate the natural architecture and function of capillaries. Four weeks after treatment with Exo-O2 (+) hydrogel, cardiomyocytes in the peri-infarct area of an in vivo rat model of AMI displayed substantial mitotic activity. In contrast with infarcted hearts treated with O2 (-) hydrogel, Exo- O2 (+) hydrogel infarcted hearts showed a considerable increase in myocardial capillary density. The outstanding therapeutic advantages and quick, easy fabrication of Exo- O2 (+) hydrogel has provided promise favourably for potential cardiac treatment applications.
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Affiliation(s)
- Dan Wang
- Department of Cardiology, The Sixth Medical Center of Chinese People's Liberation Army General Hospital, Beijing, PR China
| | - Hong Zhang
- Department of Cardiology, The Sixth Medical Center of Chinese People's Liberation Army General Hospital, Beijing, PR China
| | - Yu Chen
- Department of Cardiology, The Sixth Medical Center of Chinese People's Liberation Army General Hospital, Beijing, PR China
| | - Jiangchun He
- Department of Cardiology, The Sixth Medical Center of Chinese People's Liberation Army General Hospital, Beijing, PR China
| | - Li Zhao
- Department of Cardiology, The Sixth Medical Center of Chinese People's Liberation Army General Hospital, Beijing, PR China
| | - Yixiong Huang
- Department of Cardiology, The Sixth Medical Center of Chinese People's Liberation Army General Hospital, Beijing, PR China
| | - Fengjiao Zhao
- Department of Cardiology, The Sixth Medical Center of Chinese People's Liberation Army General Hospital, Beijing, PR China
| | - Yuting Jiang
- Department of Cardiology, The Sixth Medical Center of Chinese People's Liberation Army General Hospital, Beijing, PR China
| | - Shihu Fu
- Department of Cardiology, The Sixth Medical Center of Chinese People's Liberation Army General Hospital, Beijing, PR China.
| | - Zhibo Hong
- Department of Cardiology, The Sixth Medical Center of Chinese People's Liberation Army General Hospital, Beijing, PR China.
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Montalbo RCK, Wu MJ, Tu HL. One-step flow synthesis of size-controlled polymer nanogels in a fluorocarbon microfluidic chip. RSC Adv 2024; 14:11258-11265. [PMID: 38590347 PMCID: PMC11000227 DOI: 10.1039/d4ra01956c] [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: 03/14/2024] [Accepted: 04/02/2024] [Indexed: 04/10/2024] Open
Abstract
Synthetic polymer nanoparticles (NPs) with biomimetic properties are ideally suited for different biomedical applications such as drug delivery and direct therapy. However, bulk synthetic approaches can suffer from poor reproducibility and scalability when precise size control or multi-step procedures are required. Herein, we report an integrated microfluidic chip for the synthesis of polymer NPs. The chip could sequentially perform homopolymer synthesis and subsequent crosslinking into NPs without intermediate purification. This was made possible by fabrication of the chip with a fluorinated elastomer and incorporation of two microfluidic mixers. The first was a long channel with passive mixing features for the aqueous RAFT synthesis of stimuli-responsive polymers in ambient conditions. The polymers were then directly fed into a hydrodynamic flow focusing (HFF) junction that rapidly mixed them with a crosslinker solution to produce NPs. Compared to microfluidic systems made of PDMS or glass, our chip had better compatibility and facile fabrication. The polymers were synthesized with high monomer conversion and the NP size was found to be influenced by the flow rate ratio between the crosslinker solution and polymer solution. This allowed for the size to be predictably controlled by careful adjustment of the fluid flow rates. The size of the NPs and their stimuli-responses were studied using DLS and SEM imaging. This microfluidic chip design can potentially streamline and provide some automation for the bottom-up synthesis of polymer NPs while offering on-demand size control.
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Affiliation(s)
- Reynaldo Carlos K Montalbo
- Institute of Chemistry, Academia Sinica Taipei 11529 Taiwan
- Nanoscience and Technology, Taiwan International Graduate Program, Academia Sinica Taipei 11529 Taiwan
- Department of Engineering and System Science, National Tsing-Hua University Hsinchu 300044 Taiwan
| | - Meng-Jie Wu
- Institute of Chemistry, Academia Sinica Taipei 11529 Taiwan
- Department of Chemistry, National Cheng-Kung University Tainan 70101 Taiwan
| | - Hsiung-Lin Tu
- Institute of Chemistry, Academia Sinica Taipei 11529 Taiwan
- Nanoscience and Technology, Taiwan International Graduate Program, Academia Sinica Taipei 11529 Taiwan
- Genome and Systems Biology Degree Program, Academia Sinica and National Taiwan University Taiwan
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Huang Y, Liu C, Feng Q, Sun J. Microfluidic synthesis of nanomaterials for biomedical applications. NANOSCALE HORIZONS 2023; 8:1610-1627. [PMID: 37723984 DOI: 10.1039/d3nh00217a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/20/2023]
Abstract
The field of nanomaterials has progressed dramatically over the past decades with important contributions to the biomedical area. The physicochemical properties of nanomaterials, such as the size and structure, can be controlled through manipulation of mass and heat transfer conditions during synthesis. In particular, microfluidic systems with rapid mixing and precise fluid control are ideal platforms for creating appropriate synthesis conditions. One notable example of microfluidics-based synthesis is the development of lipid nanoparticle (LNP)-based mRNA vaccines with accelerated clinical translation and robust efficacy during the COVID-19 pandemic. In addition to LNPs, microfluidic systems have been adopted for the controlled synthesis of a broad range of nanomaterials. In this review, we introduce the fundamental principles of microfluidic technologies including flow field- and multiple field-based methods for fabricating nanoparticles, and discuss their applications in the biomedical field. We conclude this review by outlining several major challenges and future directions in the implementation of microfluidic synthesis of nanomaterials.
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Affiliation(s)
- Yanjuan Huang
- Beijing Engineering Research Center for BioNanotechnology, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chao Liu
- Beijing Engineering Research Center for BioNanotechnology, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Qiang Feng
- Beijing Engineering Research Center for BioNanotechnology, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiashu Sun
- Beijing Engineering Research Center for BioNanotechnology, CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing 100190, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
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Baei P, Daemi H, Aramesh F, Baharvand H, Eslaminejad MB. Advances in mechanically robust and biomimetic polysaccharide-based constructs for cartilage tissue engineering. Carbohydr Polym 2023; 308:120650. [PMID: 36813342 DOI: 10.1016/j.carbpol.2023.120650] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 01/28/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
The purpose of cartilage tissue engineering is to provide artificial constructs with biological functions and mechanical features that resemble native tissue to improve tissue regeneration. Biochemical characteristics of the cartilage extracellular matrix (ECM) microenvironment provide a platform for researchers to develop biomimetic materials for optimal tissue repair. Due to the structural similarity of polysaccharides into physicochemical characteristics of cartilage ECM, these natural polymers capture special attention for developing biomimetic materials. The mechanical properties of constructs play a crucial influence in load-bearing cartilage tissues. Moreover, the addition of appropriate bioactive molecules to these constructs can promote chondrogenesis. Here, we discuss polysaccharide-based constructs that can be used to create substitutes for cartilage regeneration. We intend to focus on newly developed bioinspired materials, fine-tuning the mechanical properties of constructs, the design of carriers loaded by chondroinductive agents, and development of appropriate bioinks as a bioprinting approach for cartilage regeneration.
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Affiliation(s)
- Payam Baei
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran; Department of Tissue Engineering, School of Advanced Technologies in Medicine, Royan Institute, Tehran, Iran
| | - Hamed Daemi
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran; Department of Tissue Engineering, School of Advanced Technologies in Medicine, Royan Institute, Tehran, Iran.
| | - Fatemeh Aramesh
- Department of Surgery and Radiology, Faculty of Veterinary Medicine, University ofTehran, Tehran, Iran
| | - Hossein Baharvand
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran; Department of Developmental Biology, School of Basic Sciences and Advanced Technologies in Biology, University of Science and Culture, Tehran, Iran
| | - Mohamadreza Baghaban Eslaminejad
- Department of Tissue Engineering, School of Advanced Technologies in Medicine, Royan Institute, Tehran, Iran; Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
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Khayati M, Manjili HK, Soleimani M, Hosseinzadeh S, Akrami M, Haririan I, Tafti SHA. Microfluidic synthesis of zoledronic acid loaded chitosan nanoparticles used for osteogenic differentiation of mesenchymal cells. Int J Biol Macromol 2023; 234:123056. [PMID: 36587647 DOI: 10.1016/j.ijbiomac.2022.12.275] [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: 08/10/2022] [Revised: 12/20/2022] [Accepted: 12/24/2022] [Indexed: 12/31/2022]
Abstract
Zoledronic acid (ZA) is known as a potent bisphosphonate in osteogenic differentiation, but at high doses, it possesses toxic effects and causes decreased proliferation and differentiation of osteoblasts. Therefore, encapsulation of ZA into nanoparticles and control of its release is expected to promote differentiation of stem cells into osteoblasts. The present work aimed to develop a simple method for synthesis of monodisperse ZA-loaded chitosan (CS) nanoparticles. In this regard, we proposed a microfluidic synthesis of nanoparticles through the ionic cross-linking of CS in the presence of ZA without a crosslinker. The main advantages of these microfluidic generated nanoparticles were narrow size distribution and fine spherical shape. Conversely, the nanoparticles that were synthesized using a bulk mixing method had an irregular shape with a broad size distribution. Real-time PCR assay as well as alizarin red staining were used to evaluate the in-vitro osteogenic potential of the nanoparticles. The results indicated that the controlled release of ZA from the microfluidic system generated uniform nanoparticles, improving the osteogenic differentiation of mesenchymal stem cells. Additionally, this microfluidic device provided the well-controlled synthesis of novel nanoparticles with a modified CS macromolecular polymer for targeted drug delivery systems.
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Affiliation(s)
- Maryam Khayati
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran; Pharmaceutical Nanotechnology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Hamidreza Kheiri Manjili
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan, Iran; Pharmaceutical Nanotechnology Research Center, Zanjan University of Medical Sciences, Zanjan, Iran.
| | - Masoud Soleimani
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Simzar Hosseinzadeh
- Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Akrami
- Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Institute of Biomaterials, University of Tehran & Tehran University of Medical Sciences (IBUTUMS), Tehran, Iran
| | - Ismaeil Haririan
- Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Institute of Biomaterials, University of Tehran & Tehran University of Medical Sciences (IBUTUMS), Tehran, Iran; Department of Pharmaceutics, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Hossein Ahmadi Tafti
- Research Center for Advanced Technologies in Cardiovascular Medicine, Tehran Heart Center Hospital, Tehran University of Medical Sciences, Tehran 14535, Iran
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Rosellini E, Cascone MG. Microfluidic Fabrication of Natural Polymer-Based Scaffolds for Tissue Engineering Applications: A Review. Biomimetics (Basel) 2023; 8:biomimetics8010074. [PMID: 36810405 PMCID: PMC9944883 DOI: 10.3390/biomimetics8010074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/20/2023] [Accepted: 01/23/2023] [Indexed: 02/12/2023] Open
Abstract
Natural polymers, thanks to their intrinsic biocompatibility and biomimicry, have been largely investigated as scaffold materials for tissue engineering applications. Traditional scaffold fabrication methods present several limitations, such as the use of organic solvents, the obtainment of a non-homogeneous structure, the variability in pore size and the lack of pore interconnectivity. These drawbacks can be overcome using innovative and more advanced production techniques based on the use of microfluidic platforms. Droplet microfluidics and microfluidic spinning techniques have recently found applications in the field of tissue engineering to produce microparticles and microfibers that can be used as scaffolds or as building blocks for three-dimensional structures. Compared to standard fabrication technologies, microfluidics-based ones offer several advantages, such as the possibility of obtaining particles and fibers with uniform dimensions. Thus, scaffolds with extremely precise geometry, pore distribution, pore interconnectivity and a uniform pores size can be obtained. Microfluidics can also represent a cheaper manufacturing technique. In this review, the microfluidic fabrication of microparticles, microfibers and three-dimensional scaffolds based on natural polymers will be illustrated. An overview of their applications in different tissue engineering fields will also be provided.
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Qiu F, Fan X, Chen W, Xu C, Li Y, Xie R. Recent Progress in Hydrogel-Based Synthetic Cartilage: Focus on Lubrication and Load-Bearing Capacities. Gels 2023; 9:gels9020144. [PMID: 36826314 PMCID: PMC9957070 DOI: 10.3390/gels9020144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/02/2023] [Accepted: 02/06/2023] [Indexed: 02/11/2023] Open
Abstract
Articular cartilage (AC), which covers the ends of bones in joints, particularly the knee joints, provides a robust interface to maintain frictionless movement during daily life due to its remarkable lubricating and load-bearing capacities. However, osteoarthritis (OA), characterized by the progressive degradation of AC, compromises the properties of AC and thus leads to frayed and rough interfaces between the bones, which subsequently accelerates the progression of OA. Hydrogels, composed of highly hydrated and interconnected polymer chains, are potential candidates for AC replacement due to their physical and chemical properties being similar to those of AC. In this review, we summarize the recent progress of hydrogel-based synthetic cartilage, or cartilage-like hydrogels, with a particular focus on their lubrication and load-bearing properties. The different formulations, current limitations, and challenges of such hydrogels are also discussed. Moreover, we discuss the future directions of hydrogel-based synthetic cartilage to repair and even regenerate the damaged AC.
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Affiliation(s)
- Fei Qiu
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Gannan Medical University, Ganzhou 341000, China
- School of Rehabilitation Medicine, Gannan Medical University, Ganzhou 341000, China
- Key Laboratory of Biomaterials and Bio-Fabrication in Tissue Engineering of Jiangxi Province, Ganzhou 341000, China
| | - Xiaopeng Fan
- School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, China
| | - Wen Chen
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Gannan Medical University, Ganzhou 341000, China
- School of Rehabilitation Medicine, Gannan Medical University, Ganzhou 341000, China
- Key Laboratory of Biomaterials and Bio-Fabrication in Tissue Engineering of Jiangxi Province, Ganzhou 341000, China
| | - Chunming Xu
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Gannan Medical University, Ganzhou 341000, China
- Key Laboratory of Biomaterials and Bio-Fabrication in Tissue Engineering of Jiangxi Province, Ganzhou 341000, China
| | - Yumei Li
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Gannan Medical University, Ganzhou 341000, China
- Key Laboratory of Biomaterials and Bio-Fabrication in Tissue Engineering of Jiangxi Province, Ganzhou 341000, China
- School of Basic Medicine, Gannan Medical University, Ganzhou 341000, China
- Correspondence: (Y.L.); (R.X.)
| | - Renjian Xie
- Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Gannan Medical University, Ganzhou 341000, China
- Key Laboratory of Biomaterials and Bio-Fabrication in Tissue Engineering of Jiangxi Province, Ganzhou 341000, China
- School of Medical Information Engineering, Gannan Medical University, Ganzhou 341000, China
- Correspondence: (Y.L.); (R.X.)
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Nanotechnology in tissue engineering and regenerative medicine. KOREAN J CHEM ENG 2023. [DOI: 10.1007/s11814-022-1363-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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12
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Tolabi H, Davari N, Khajehmohammadi M, Malektaj H, Nazemi K, Vahedi S, Ghalandari B, Reis RL, Ghorbani F, Oliveira JM. Progress of Microfluidic Hydrogel-Based Scaffolds and Organ-on-Chips for the Cartilage Tissue Engineering. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023:e2208852. [PMID: 36633376 DOI: 10.1002/adma.202208852] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 12/09/2022] [Indexed: 05/09/2023]
Abstract
Cartilage degeneration is among the fundamental reasons behind disability and pain across the globe. Numerous approaches have been employed to treat cartilage diseases. Nevertheless, none have shown acceptable outcomes in the long run. In this regard, the convergence of tissue engineering and microfabrication principles can allow developing more advanced microfluidic technologies, thus offering attractive alternatives to current treatments and traditional constructs used in tissue engineering applications. Herein, the current developments involving microfluidic hydrogel-based scaffolds, promising structures for cartilage regeneration, ranging from hydrogels with microfluidic channels to hydrogels prepared by the microfluidic devices, that enable therapeutic delivery of cells, drugs, and growth factors, as well as cartilage-related organ-on-chips are reviewed. Thereafter, cartilage anatomy and types of damages, and present treatment options are briefly overviewed. Various hydrogels are introduced, and the advantages of microfluidic hydrogel-based scaffolds over traditional hydrogels are thoroughly discussed. Furthermore, available technologies for fabricating microfluidic hydrogel-based scaffolds and microfluidic chips are presented. The preclinical and clinical applications of microfluidic hydrogel-based scaffolds in cartilage regeneration and the development of cartilage-related microfluidic chips over time are further explained. The current developments, recent key challenges, and attractive prospects that should be considered so as to develop microfluidic systems in cartilage repair are highlighted.
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Affiliation(s)
- Hamidreza Tolabi
- New Technologies Research Center (NTRC), Amirkabir University of Technology, Tehran, 15875-4413, Iran
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, 15875-4413, Iran
| | - Niyousha Davari
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, 143951561, Iran
| | - Mehran Khajehmohammadi
- Department of Mechanical Engineering, Faculty of Engineering, Yazd University, Yazd, 89195-741, Iran
- Medical Nanotechnology and Tissue Engineering Research Center, Yazd Reproductive Sciences Institute, Shahid Sadoughi University of Medical Sciences, Yazd, 8916877391, Iran
| | - Haniyeh Malektaj
- Department of Materials and Production, Aalborg University, Fibigerstraede 16, Aalborg, 9220, Denmark
| | - Katayoun Nazemi
- Drug Delivery, Disposition and Dynamics Theme, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Victoria, 3052, Australia
| | - Samaneh Vahedi
- Department of Material Science and Engineering, Faculty of Engineering, Imam Khomeini International University, Qazvin, 34149-16818, Iran
| | - Behafarid Ghalandari
- State Key Laboratory of Oncogenes and Related Genes, Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China
| | - Rui L Reis
- 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, 4805-017, Portugal
| | - Farnaz Ghorbani
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstrasse 6, 91058, Erlangen, Germany
| | - Joaquim Miguel Oliveira
- 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, 4805-017, Portugal
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13
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Lertwimol T, Sonthithai P, Hankamolsiri W, Kaewkong P, Uppanan P. Development of chondrocyte-laden alginate hydrogels with modulated microstructure and properties for cartilage regeneration. Biotechnol Prog 2022; 39:e3322. [PMID: 36564904 DOI: 10.1002/btpr.3322] [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: 08/01/2022] [Revised: 12/06/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022]
Abstract
Alginate hydrogel is an attractive biomaterial for cell microencapsulation. The microarchitecture of hydrogels can regulate cellular functions. This study aims to investigate the applicability of sodium citrate buffer (SCB) as a culture medium supplement for modulating the microstructure of alginate microbeads to provide a favorable microenvironment for chondrogenic induction. The chondrocyte-laden microbeads, with and without TGF-β3 incorporation, were produced through an encapsulator. The obtained small-sized microbeads (~300 μm) were exposed to a treatment medium containing SCB, composed of varied concentrations of sodium citrate (1.10-1.57 mM), sodium chloride (3.00-4.29 mM), and ethylenediaminetetraacetic acid (0.60-0.86 mM) to partially degrade their crosslinked structure for 3 days, followed by culture in a normal medium until day 21. Scanning electron microscope micrographs demonstrated a loose hydrogel network with an enhanced pore size in the SCB-treated microbeads. Increasing the concentration of SCB in the treatment medium reduced the calcium content of the microbeads via a Na+ /Ca2+ exchange process and improved the water absorption of the microbeads, resulting in a higher swelling ratio. All the tested SCB concentrations were non-cytotoxic. Increases in aggrecan and type II collagen gene expression and their corresponding extracellular matrix accumulation, glycosaminoglycans, and type II collagen were vividly detected in the TGF-β3-containing microbeads with increasing SCB concentrations in the treatment medium. Our findings highlighted that the combination of SCB treatment and TGF-β3 incorporation in the chondrocyte-laden microbeads is a promising strategy for enhancing cartilage regeneration, which may contribute to a versatile application in cell delivery and tissue engineering.
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Affiliation(s)
- Tareerat Lertwimol
- Biofunctional Materials and Devices Research Group, National Metal and Materials Technology Center, Pathum Thani, Thailand
| | - Pacharapan Sonthithai
- Biofunctional Materials and Devices Research Group, National Metal and Materials Technology Center, Pathum Thani, Thailand
| | - Weerawan Hankamolsiri
- Biofunctional Materials and Devices Research Group, National Metal and Materials Technology Center, Pathum Thani, Thailand
| | - Pakkanun Kaewkong
- Biofunctional Materials and Devices Research Group, National Metal and Materials Technology Center, Pathum Thani, Thailand
| | - Paweena Uppanan
- Biofunctional Materials and Devices Research Group, National Metal and Materials Technology Center, Pathum Thani, Thailand
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14
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Sun D, Liu X, Xu L, Meng Y, Kang H, Li Z. Advances in the Treatment of Partial-Thickness Cartilage Defect. Int J Nanomedicine 2022; 17:6275-6287. [PMID: 36536940 PMCID: PMC9758915 DOI: 10.2147/ijn.s382737] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 11/23/2022] [Indexed: 04/17/2024] Open
Abstract
Partial-thickness cartilage defects (PTCDs) of the articular surface is the most common problem in cartilage degeneration, and also one of the main pathogenesis of osteoarthritis (OA). Due to the lack of a clear diagnosis, the symptoms are often more severe when full-thickness cartilage defect (FTCDs) is present. In contrast to FTCDs and osteochondral defects (OCDs), PTCDs does not injure the subchondral bone, there is no blood supply and bone marrow exudation, and the nearby microenvironment is unsuitable for stem cells adhesion, which completely loses the ability of self-repair. Some clinical studies have shown that partial-thickness cartilage defects is as harmful as full-thickness cartilage defects. Due to the poor effect of conservative treatment, the destructive surgical treatment is not suitable for the treatment of partial-thickness cartilage defects, and the current tissue engineering strategies are not effective, so it is urgent to develop novel strategies or treatment methods to repair PTCDs. In recent years, with the interdisciplinary development of bioscience, mechanics, material science and engineering, many discoveries have been made in the repair of PTCDs. This article reviews the current status and research progress in the treatment of PTCDs from the aspects of diagnosis and modeling of PTCDs, drug therapy, tissue transplantation repair technology and tissue engineering ("bottom-up").
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Affiliation(s)
- Daming Sun
- Wuhan Sports University, Wuhan, People’s Republic of China
- Department of Orthopedics, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan, People’s Republic of China
| | - Xiangzhong Liu
- Department of Orthopedics, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan, People’s Republic of China
| | - Liangliang Xu
- Wuhan Sports University, Wuhan, People’s Republic of China
| | - Yi Meng
- Wuhan Sports University, Wuhan, People’s Republic of China
| | - Haifei Kang
- Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan, People’s Republic of China
| | - Zhanghua Li
- Department of Orthopedics, Wuhan Third Hospital, Tongren Hospital of Wuhan University, Wuhan, People’s Republic of China
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15
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Nanogels: Update on the methods of synthesis and applications for cardiovascular and neurological complications. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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16
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Liu Y, Yang G, Hui Y, Ranaweera S, Zhao CX. Microfluidic Nanoparticles for Drug Delivery. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2106580. [PMID: 35396770 DOI: 10.1002/smll.202106580] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/20/2021] [Indexed: 06/14/2023]
Abstract
Nanoparticles (NPs) have attracted tremendous interest in drug delivery in the past decades. Microfluidics offers a promising strategy for making NPs for drug delivery due to its capability in precisely controlling NP properties. The recent success of mRNA vaccines using microfluidics represents a big milestone for microfluidic NPs for pharmaceutical applications, and its rapid scaling up demonstrates the feasibility of using microfluidics for industrial-scale manufacturing. This article provides a critical review of recent progress in microfluidic NPs for drug delivery. First, the synthesis of organic NPs using microfluidics focusing on typical microfluidic methods and their applications in making popular and clinically relevant NPs, such as liposomes, lipid NPs, and polymer NPs, as well as their synthesis mechanisms are summarized. Then, the microfluidic synthesis of several representative inorganic NPs (e.g., silica, metal, metal oxide, and quantum dots), and hybrid NPs is discussed. Lastly, the applications of microfluidic NPs for various drug delivery applications are presented.
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Affiliation(s)
- Yun Liu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Guangze Yang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Yue Hui
- Institute of Advanced Technology, Westlake University, Hangzhou, Zhejiang, 310024, China
| | - Supun Ranaweera
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Chun-Xia Zhao
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
- School of Chemical Engineering and Advanced Materials, Faculty of Engineering, Computer and Mathematical Sciences, The University of Adelaide, Adelaide, SA, 5005, Australia
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17
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Karimi-Soflou R, Karkhaneh A, Shabani I. Size-adjustable self-assembled nanoparticles through microfluidic platform promotes neuronal differentiation of mouse embryonic stem cells. BIOMATERIALS ADVANCES 2022; 140:213056. [PMID: 35932661 DOI: 10.1016/j.bioadv.2022.213056] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 07/16/2022] [Accepted: 07/27/2022] [Indexed: 06/15/2023]
Abstract
Neuronal differentiation from stem cells is one of the most potent therapeutic approaches for recovering neurological function in individuals with neurodegenerative disorders. Herein, an on-demand intracellular retinoic acid released nanoparticles with tunable size and accurately controlled physico-biological properties have been prepared for achieving efficient neuronal differentiation. The amphiphilic chitosan oligosaccharide-cholesterol copolymers were synthesized by varying cholesterol content and self-assembled into spherical micelle in a microfluidic chip with different flow rates. Notably, the results indicated that by increasing the lipophilicity of the chitosan chain as well as mixing rate, the size of micelles was decreased. Retinoic acid (RA) was efficiently encapsulated in the core of micelles. The retinoic acid-containing nanoparticles could escape lysosome, accumulate in the cytoplasm, and release payload with a sustained pattern. The cytotoxicity assay of free retinoic acid and retinoic acid-loaded formulations against P19 embryonic stem cells confirmed the desirable safety of micelles. The result obtained from the uptake study showed that internalization of micelles occurs predominantly via lipid-raft endocytosis in the presence of higher cholesterol content. Moreover, the intracellular RA release upregulated the expression levels of neuronal factors. The micelles described here offer a promising nanomedicine strategy for neuronal differentiation of stem cells.
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Affiliation(s)
- Reza Karimi-Soflou
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Iran
| | - Akbar Karkhaneh
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Iran.
| | - Iman Shabani
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Iran.
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18
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Maged A, Abdelbaset R, Mahmoud AA, Elkasabgy NA. Merits and advances of microfluidics in the pharmaceutical field: design technologies and future prospects. Drug Deliv 2022; 29:1549-1570. [PMID: 35612293 PMCID: PMC9154770 DOI: 10.1080/10717544.2022.2069878] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Microfluidics is used to manipulate fluid flow in micro-channels to fabricate drug delivery vesicles in a uniform tunable size. Thanks to their designs, microfluidic technology provides an alternative and versatile platform over traditional formulation methods of nanoparticles. Understanding the factors that affect the formulation of nanoparticles can guide the proper selection of microfluidic design and the operating parameters aiming at producing nanoparticles with reproducible properties. This review introduces the microfluidic systems' continuous flow (single-phase) and segmented flow (multiphase) and their different mixing parameters and mechanisms. Furthermore, microfluidic approaches for efficient production of nanoparticles as surface modification, anti-fouling, and post-microfluidic treatment are summarized. The review sheds light on the used microfluidic systems and operation parameters applied to prepare and fine-tune nanoparticles like lipid, poly(lactic-co-glycolic acid) (PLGA)-based nanoparticles as well as cross-linked nanoparticles. The approaches for scale-up production using microfluidics for clinical or industrial use are also highlighted. Furthermore, the use of microfluidics in preparing novel micro/nanofluidic drug delivery systems is presented. In conclusion, the characteristic vital features of microfluidics offer the ability to develop precise and efficient drug delivery nanoparticles.
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Affiliation(s)
- Amr Maged
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Future University in Egypt, Cairo, Egypt.,Pharmaceutical Factory, Faculty of Pharmacy, Future University in Egypt, Cairo, Egypt
| | - Reda Abdelbaset
- Department of Biomedical Engineering, Faculty of Engineering, Helwan University, Cairo, Egypt
| | - Azza A Mahmoud
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Future University in Egypt, Cairo, Egypt
| | - Nermeen A Elkasabgy
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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19
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Nabizadeh Z, Nasrollahzadeh M, Daemi H, Baghaban Eslaminejad M, Shabani AA, Dadashpour M, Mirmohammadkhani M, Nasrabadi D. Micro- and nanotechnology in biomedical engineering for cartilage tissue regeneration in osteoarthritis. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2022; 13:363-389. [PMID: 35529803 PMCID: PMC9039523 DOI: 10.3762/bjnano.13.31] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 03/24/2022] [Indexed: 05/12/2023]
Abstract
Osteoarthritis, which typically arises from aging, traumatic injury, or obesity, is the most common form of arthritis, which usually leads to malfunction of the joints and requires medical interventions due to the poor self-healing capacity of articular cartilage. However, currently used medical treatment modalities have reported, at least in part, disappointing and frustrating results for patients with osteoarthritis. Recent progress in the design and fabrication of tissue-engineered microscale/nanoscale platforms, which arises from the convergence of stem cell research and nanotechnology methods, has shown promising results in the administration of new and efficient options for treating osteochondral lesions. This paper presents an overview of the recent advances in osteochondral tissue engineering resulting from the application of micro- and nanotechnology approaches in the structure of biomaterials, including biological and microscale/nanoscale topographical cues, microspheres, nanoparticles, nanofibers, and nanotubes.
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Affiliation(s)
- Zahra Nabizadeh
- Department of Medical Biotechnology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
- Biotechnology Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | | | - Hamed Daemi
- Department of Cell Engineering, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Mohamadreza Baghaban Eslaminejad
- Department of Stem Cell and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Ali Akbar Shabani
- Department of Medical Biotechnology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
- Biotechnology Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | - Mehdi Dadashpour
- Department of Medical Biotechnology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
- Biotechnology Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | - Majid Mirmohammadkhani
- Department of Epidemiology and Biostatistics, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Davood Nasrabadi
- Department of Medical Biotechnology, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
- Biotechnology Research Center, Semnan University of Medical Sciences, Semnan, Iran
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20
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Mashhadian A, Afjoul H, Shamloo A. An integrative method to increase the reliability of conventional double emulsion method. Anal Chim Acta 2022; 1197:339523. [DOI: 10.1016/j.aca.2022.339523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 01/15/2022] [Accepted: 01/17/2022] [Indexed: 12/12/2022]
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21
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Abstract
Cell manipulation in droplets has emerged as one of the great successes of microfluidic technologies, with the development of single-cell screening. However, the droplet format has also served to go beyond single-cell studies, namely by considering the interactions between different cells or between cells and their physical or chemical environment. These studies pose specific challenges linked to the need for long-term culture of adherent cells or the diverse types of measurements associated with complex biological phenomena. Here we review the emergence of droplet microfluidic methods for culturing cells and studying their interactions. We begin by characterizing the quantitative aspects that determine the ability to encapsulate cells, transport molecules, and provide sufficient nutrients within the droplets. This is followed by an evaluation of the biological constraints such as the control of the biochemical environment and promoting the anchorage of adherent cells. This first part ends with a description of measurement methods that have been developed. The second part of the manuscript focuses on applications of these technologies for cancer studies, immunology, and stem cells while paying special attention to the biological relevance of the cellular assays and providing guidelines on improving this relevance.
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Affiliation(s)
- Sébastien Sart
- LadHyX, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France.,Physical Microfluidics and Bioengineering, Institut Pasteur, 25-28 Rue du Dr. Roux, 75015 Paris, France
| | - Gustave Ronteix
- LadHyX, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France.,Physical Microfluidics and Bioengineering, Institut Pasteur, 25-28 Rue du Dr. Roux, 75015 Paris, France
| | - Shreyansh Jain
- LadHyX, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France.,Physical Microfluidics and Bioengineering, Institut Pasteur, 25-28 Rue du Dr. Roux, 75015 Paris, France
| | - Gabriel Amselem
- LadHyX, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France.,Physical Microfluidics and Bioengineering, Institut Pasteur, 25-28 Rue du Dr. Roux, 75015 Paris, France
| | - Charles N Baroud
- LadHyX, CNRS, Ecole Polytechnique, Institut Polytechnique de Paris, 91120 Palaiseau, France.,Physical Microfluidics and Bioengineering, Institut Pasteur, 25-28 Rue du Dr. Roux, 75015 Paris, France
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22
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Application of Alginate Hydrogels for Next-Generation Articular Cartilage Regeneration. Int J Mol Sci 2022; 23:ijms23031147. [PMID: 35163071 PMCID: PMC8835677 DOI: 10.3390/ijms23031147] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 12/28/2022] Open
Abstract
The articular cartilage has insufficient intrinsic healing abilities, and articular cartilage injuries often progress to osteoarthritis. Alginate-based scaffolds are attractive biomaterials for cartilage repair and regeneration, allowing for the delivery of cells and therapeutic drugs and gene sequences. In light of the heterogeneity of findings reporting the benefits of using alginate for cartilage regeneration, a better understanding of alginate-based systems is needed in order to improve the approaches aiming to enhance cartilage regeneration with this compound. This review provides an in-depth evaluation of the literature, focusing on the manipulation of alginate as a tool to support the processes involved in cartilage healing in order to demonstrate how such a material, used as a direct compound or combined with cell and gene therapy and with scaffold-guided gene transfer procedures, may assist cartilage regeneration in an optimal manner for future applications in patients.
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23
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Nazari H, Heirani-Tabasi A, Ghorbani S, Eyni H, Razavi Bazaz S, Khayati M, Gheidari F, Moradpour K, Kehtari M, Ahmadi Tafti SM, Ahmadi Tafti SH, Ebrahimi Warkiani M. Microfluidic-Based Droplets for Advanced Regenerative Medicine: Current Challenges and Future Trends. BIOSENSORS 2021; 12:20. [PMID: 35049648 PMCID: PMC8773546 DOI: 10.3390/bios12010020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 12/29/2021] [Accepted: 12/29/2021] [Indexed: 11/30/2022]
Abstract
Microfluidics is a promising approach for the facile and large-scale fabrication of monodispersed droplets for various applications in biomedicine. This technology has demonstrated great potential to address the limitations of regenerative medicine. Microfluidics provides safe, accurate, reliable, and cost-effective methods for encapsulating different stem cells, gametes, biomaterials, biomolecules, reagents, genes, and nanoparticles inside picoliter-sized droplets or droplet-derived microgels for different applications. Moreover, microenvironments made using such droplets can mimic niches of stem cells for cell therapy purposes, simulate native extracellular matrix (ECM) for tissue engineering applications, and remove challenges in cell encapsulation and three-dimensional (3D) culture methods. The fabrication of droplets using microfluidics also provides controllable microenvironments for manipulating gametes, fertilization, and embryo cultures for reproductive medicine. This review focuses on the relevant studies, and the latest progress in applying droplets in stem cell therapy, tissue engineering, reproductive biology, and gene therapy are separately evaluated. In the end, we discuss the challenges ahead in the field of microfluidics-based droplets for advanced regenerative medicine.
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Affiliation(s)
- Hojjatollah Nazari
- School of Biomedical Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia; (H.N.); (S.R.B.)
| | - Asieh Heirani-Tabasi
- Research Center for Advanced Technologies in Cardiovascular Medicine, Tehran Heart Center Hospital, Tehran University of Medical Sciences, Tehran 14535, Iran; (A.H.-T.); (S.H.A.T.)
- Department of Cell Therapy and Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran 14535, Iran
| | - Sadegh Ghorbani
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, 8000 Aarhus, Denmark;
| | - Hossein Eyni
- Cellular and Molecular Research Center, School of Medicine, Iran University of Medical Sciences, Tehran 14535, Iran;
- Department of Anatomical Sciences, School of Medicine, Iran University of Medical Sciences, Tehran 14535, Iran
| | - Sajad Razavi Bazaz
- School of Biomedical Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia; (H.N.); (S.R.B.)
| | - Maryam Khayati
- Department of Pharmaceutical Nanotechnology, School of Pharmacy, Zanjan University of Medical Sciences, Zanjan 45371, Iran;
| | - Fatemeh Gheidari
- Department of Biotechnology, University of Tehran, Tehran 14535, Iran;
| | - Keyvan Moradpour
- Department of Chemical Engineering, Sharif University of Technology, Tehran 14535, Iran;
| | - Mousa Kehtari
- Department of Biology, Faculty of Science, University of Tehran, Tehran 14535, Iran;
| | - Seyed Mohsen Ahmadi Tafti
- Colorectal Surgery Research Center, Imam Hospital Complex, Tehran University of Medical Sciences, Tehran 14535, Iran;
| | - Seyed Hossein Ahmadi Tafti
- Research Center for Advanced Technologies in Cardiovascular Medicine, Tehran Heart Center Hospital, Tehran University of Medical Sciences, Tehran 14535, Iran; (A.H.-T.); (S.H.A.T.)
| | - Majid Ebrahimi Warkiani
- School of Biomedical Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia; (H.N.); (S.R.B.)
- Institute of Molecular Medicine, Sechenov University, 119991 Moscow, Russia
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24
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Du X, Gao Y, Kang Q, Xing J. Design and Applications of Tumor Microenvironment-Responsive Nanogels as Drug Carriers. Front Bioeng Biotechnol 2021; 9:771851. [PMID: 34746113 PMCID: PMC8569621 DOI: 10.3389/fbioe.2021.771851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/08/2021] [Indexed: 12/03/2022] Open
Abstract
In recent years, the exploration of tumor microenvironment has provided a new approach for tumor treatment. More and more researches are devoted to designing tumor microenvironment-responsive nanogels loaded with therapeutic drugs. Compared with other drug carriers, nanogel has shown great potential in improving the effect of chemotherapy, which is attributed to its stable size, superior hydrophilicity, excellent biocompatibility, and responsiveness to specific environment. This review primarily summarizes the common preparation techniques of nanogels (such as free radical polymerization, covalent cross-linking, and physical self-assembly) and loading ways of drug in nanogels (including physical encapsulation and chemical coupling) as well as the controlled drug release behaviors. Furthermore, the difficulties and prospects of nanogels as drug carriers are also briefly described.
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Affiliation(s)
- Xinjing Du
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Yuting Gao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Qi Kang
- Department of Cardiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Jinfeng Xing
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
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25
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Development of a Polysaccharide-Based Hydrogel Drug Delivery System (DDS): An Update. Gels 2021; 7:gels7040153. [PMID: 34698125 PMCID: PMC8544468 DOI: 10.3390/gels7040153] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/02/2021] [Accepted: 09/14/2021] [Indexed: 12/28/2022] Open
Abstract
Delivering a drug to the target site with minimal-to-no off-target cytotoxicity is the major determinant for the success of disease therapy. While the therapeutic efficacy and cytotoxicity of the drug play the main roles, the use of a suitable drug delivery system (DDS) is important to protect the drug along the administration route and release it at the desired target site. Polysaccharides have been extensively studied as a biomaterial for DDS development due to their high biocompatibility. More usefully, polysaccharides can be crosslinked with various molecules such as micro/nanoparticles and hydrogels to form a modified DDS. According to IUPAC, hydrogel is defined as the structure and processing of sols, gels, networks and inorganic–organic hybrids. This 3D network which often consists of a hydrophilic polymer can drastically improve the physical and chemical properties of DDS to increase the biodegradability and bioavailability of the carrier drugs. The advancement of nanotechnology also allows the construction of hydrogel DDS with enhanced functionalities such as stimuli-responsiveness, target specificity, sustained drug release, and therapeutic efficacy. This review provides a current update on the use of hydrogel DDS derived from polysaccharide-based materials in delivering various therapeutic molecules and drugs. We also highlighted the factors that affect the efficacy of these DDS and the current challenges of developing them for clinical use.
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26
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Dimitriou P, Li J, Tornillo G, McCloy T, Barrow D. Droplet Microfluidics for Tumor Drug-Related Studies and Programmable Artificial Cells. GLOBAL CHALLENGES (HOBOKEN, NJ) 2021; 5:2000123. [PMID: 34267927 PMCID: PMC8272004 DOI: 10.1002/gch2.202000123] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 03/19/2021] [Indexed: 05/11/2023]
Abstract
Anticancer drug development is a crucial step toward cancer treatment, that requires realistic predictions of malignant tissue development and sophisticated drug delivery. Tumors often acquire drug resistance and drug efficacy, hence cannot be accurately predicted in 2D tumor cell cultures. On the other hand, 3D cultures, including multicellular tumor spheroids (MCTSs), mimic the in vivo cellular arrangement and provide robust platforms for drug testing when grown in hydrogels with characteristics similar to the living body. Microparticles and liposomes are considered smart drug delivery vehicles, are able to target cancerous tissue, and can release entrapped drugs on demand. Microfluidics serve as a high-throughput tool for reproducible, flexible, and automated production of droplet-based microscale constructs, tailored to the desired final application. In this review, it is described how natural hydrogels in combination with droplet microfluidics can generate MCTSs, and the use of microfluidics to produce tumor targeting microparticles and liposomes. One of the highlights of the review documents the use of the bottom-up construction methodologies of synthetic biology for the formation of artificial cellular assemblies, which may additionally incorporate both target cancer cells and prospective drug candidates, as an integrated "droplet incubator" drug assay platform.
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Affiliation(s)
- Pantelitsa Dimitriou
- Applied Microfluidic LaboratorySchool of EngineeringCardiff UniversityCardiffCF24 3AAUK
| | - Jin Li
- Applied Microfluidic LaboratorySchool of EngineeringCardiff UniversityCardiffCF24 3AAUK
| | - Giusy Tornillo
- Hadyn Ellis BuildingCardiff UniversityMaindy RoadCardiffCF24 4HQUK
| | - Thomas McCloy
- Applied Microfluidic LaboratorySchool of EngineeringCardiff UniversityCardiffCF24 3AAUK
| | - David Barrow
- Applied Microfluidic LaboratorySchool of EngineeringCardiff UniversityCardiffCF24 3AAUK
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27
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Gonçalves AM, Moreira A, Weber A, Williams GR, Costa PF. Osteochondral Tissue Engineering: The Potential of Electrospinning and Additive Manufacturing. Pharmaceutics 2021; 13:983. [PMID: 34209671 PMCID: PMC8309012 DOI: 10.3390/pharmaceutics13070983] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/22/2021] [Accepted: 06/25/2021] [Indexed: 12/14/2022] Open
Abstract
The socioeconomic impact of osteochondral (OC) damage has been increasing steadily over time in the global population, and the promise of tissue engineering in generating biomimetic tissues replicating the physiological OC environment and architecture has been falling short of its projected potential. The most recent advances in OC tissue engineering are summarised in this work, with a focus on electrospun and 3D printed biomaterials combined with stem cells and biochemical stimuli, to identify what is causing this pitfall between the bench and the patients' bedside. Even though significant progress has been achieved in electrospinning, 3D-(bio)printing, and induced pluripotent stem cell (iPSC) technologies, it is still challenging to artificially emulate the OC interface and achieve complete regeneration of bone and cartilage tissues. Their intricate architecture and the need for tight spatiotemporal control of cellular and biochemical cues hinder the attainment of long-term functional integration of tissue-engineered constructs. Moreover, this complexity and the high variability in experimental conditions used in different studies undermine the scalability and reproducibility of prospective regenerative medicine solutions. It is clear that further development of standardised, integrative, and economically viable methods regarding scaffold production, cell selection, and additional biochemical and biomechanical stimulation is likely to be the key to accelerate the clinical translation and fill the gap in OC treatment.
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Affiliation(s)
| | - Anabela Moreira
- BIOFABICS, Rua Alfredo Allen 455, 4200-135 Porto, Portugal; (A.M.G.); (A.M.)
| | - Achim Weber
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstrasse 12, 70569 Stuttgart, Germany;
| | - Gareth R. Williams
- UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, UK;
| | - Pedro F. Costa
- BIOFABICS, Rua Alfredo Allen 455, 4200-135 Porto, Portugal; (A.M.G.); (A.M.)
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28
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Lari AS, Zahedi P, Ghourchian H, Khatibi A. Microfluidic-based synthesized carboxymethyl chitosan nanoparticles containing metformin for diabetes therapy: In vitro and in vivo assessments. Carbohydr Polym 2021; 261:117889. [PMID: 33766375 DOI: 10.1016/j.carbpol.2021.117889] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 02/09/2021] [Accepted: 03/01/2021] [Indexed: 11/18/2022]
Abstract
This work was aimed to synthesize novel crosslinked carboxymethyl chitosan nanoparticles (CMCS NPs) containing metformin hydrochloride (MET) using microfluidics (MF) and evaluate their performance for diabetes therapy. The field emission-scanning electron microscopy (FE-SEM) images and dynamic light scattering (DLS) results showed that the NPs average size was 77 ± 19 nm with a narrow size distribution. They exhibited a high encapsulation efficiency (∼90 %) and the controlled drug release while crosslinking using CaCl2. Eventually, the in vivo assessments dedicated an increased body weight up to 7.94 % and a decreased blood glucose level amount of 43.58 % for MF MET-loaded CMCS NPs with respect to the free drug in diabetic rats. Also, the results of histopathological studies revealed the size of the pancreatic islets to be 2.32 μm2 and β cells intensity to be 64 cells per islet for the diabetic rats after treating with the MF-based sample. These data were close to those obtained for the healthy rats.
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Affiliation(s)
- Atefe Sadeghi Lari
- Nano-Biopolymers Research Laboratory, School of Chemical Engineering, College of Engineering, University of Tehran, P. O. Box: 11155-4563, Tehran, Iran
| | - Payam Zahedi
- Nano-Biopolymers Research Laboratory, School of Chemical Engineering, College of Engineering, University of Tehran, P. O. Box: 11155-4563, Tehran, Iran.
| | - Hedayatollah Ghourchian
- Laboratory of Bio-Analysis, Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Alireza Khatibi
- Nano-Biopolymers Research Laboratory, School of Chemical Engineering, College of Engineering, University of Tehran, P. O. Box: 11155-4563, Tehran, Iran
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29
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Rajabnejadkeleshteri A, Basiri H, Mohseni SS, Farokhi M, Mehrizi AA, Moztarzadeh F. Preparation of microfluidic-based pectin microparticles loaded carbon dots conjugated with BMP-2 embedded in gelatin-elastin-hyaluronic acid hydrogel scaffold for bone tissue engineering application. Int J Biol Macromol 2021; 184:29-41. [PMID: 34048836 DOI: 10.1016/j.ijbiomac.2021.05.148] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 05/21/2021] [Accepted: 05/21/2021] [Indexed: 10/21/2022]
Abstract
The controlled delivery of the bone morphogenetic protein-2 (BMP-2) with tracking ability would overcome most of the side effects linked to the burst release and uncontrolled delivery of this growth factor for bone regeneration. Herein, BMP-2-conjugated carbon dots (CDs) was used as noninvasive detection platforms to deliver BMP-2 for therapeutic applications where osteogenesis and bioimaging are both required. With this in mind, the present work aimed to develop a controlled BMP-2-CDs release system using composite scaffolds containing BMP-2-CDs loaded pectin microparticles, which had been optimized for bone regeneration. By using microfluidic approach, we encapsulated BMP-2-CDs in pectin microparticles with narrow size distribution and then incorporated into composite scaffolds composed of gelatin, elastin, and hyaluronic acid. The BMP-2-CDs was released from the composite scaffolds in a sustained fashion for up to 21 days exhibited a high controlled delivery capacity. When tested in vitro with MG-63 cells, these extraction mediums showed the intercellular uptake of BMP-2-CDs and enhanced biological properties and pro-osteogenic effect. By utilizing the pectin microparticles carrying BMP-2-CDs as promising bioimaging agents for growth factor delivery and by tuning the composition of the scaffolds, this platform has immense potential in the field of bone tissue regeneration.
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Affiliation(s)
- Alireza Rajabnejadkeleshteri
- Biomaterials Group, Faculty of Biomedical Engineering (Center of Excellence), Amirkabir University of Technology, Tehran, Iran
| | - Hamideh Basiri
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Seyed Sepehr Mohseni
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Ali Abouei Mehrizi
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Fathollah Moztarzadeh
- Biomaterials Group, Faculty of Biomedical Engineering (Center of Excellence), Amirkabir University of Technology, Tehran, Iran.
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30
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Seims KB, Hunt NK, Chow LW. Strategies to Control or Mimic Growth Factor Activity for Bone, Cartilage, and Osteochondral Tissue Engineering. Bioconjug Chem 2021; 32:861-878. [PMID: 33856777 DOI: 10.1021/acs.bioconjchem.1c00090] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Growth factors play a critical role in tissue repair and regeneration. However, their clinical success is limited by their low stability, short half-life, and rapid diffusion from the delivery site. Supraphysiological growth factor concentrations are often required to demonstrate efficacy but can lead to adverse reactions, such as inflammatory complications and increased cancer risk. These issues have motivated the development of delivery systems that enable sustained release and controlled presentation of growth factors. This review specifically focuses on bioconjugation strategies to enhance growth factor activity for bone, cartilage, and osteochondral applications. We describe approaches to localize growth factors using noncovalent and covalent methods, bind growth factors via peptides, and mimic growth factor function with mimetic peptide sequences. We also discuss emerging and future directions to control spatiotemporal growth factor delivery to improve functional tissue repair and regeneration.
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Affiliation(s)
- Kelly B Seims
- Department of Materials Science and Engineering, Lehigh University, Bethlehem, Pennsylvania 18015, United States
| | - Natasha K Hunt
- Department of Bioengineering, Lehigh University, Bethlehem, Pennsylvania 18015, United States
| | - Lesley W Chow
- Department of Materials Science and Engineering, Lehigh University, Bethlehem, Pennsylvania 18015, United States
- Department of Bioengineering, Lehigh University, Bethlehem, Pennsylvania 18015, United States
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31
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Souza PR, de Oliveira AC, Vilsinski BH, Kipper MJ, Martins AF. Polysaccharide-Based Materials Created by Physical Processes: From Preparation to Biomedical Applications. Pharmaceutics 2021; 13:621. [PMID: 33925380 PMCID: PMC8146878 DOI: 10.3390/pharmaceutics13050621] [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: 03/31/2021] [Revised: 04/22/2021] [Accepted: 04/23/2021] [Indexed: 02/07/2023] Open
Abstract
Polysaccharide-based materials created by physical processes have received considerable attention for biomedical applications. These structures are often made by associating charged polyelectrolytes in aqueous solutions, avoiding toxic chemistries (crosslinking agents). We review the principal polysaccharides (glycosaminoglycans, marine polysaccharides, and derivatives) containing ionizable groups in their structures and cellulose (neutral polysaccharide). Physical materials with high stability in aqueous media can be developed depending on the selected strategy. We review strategies, including coacervation, ionotropic gelation, electrospinning, layer-by-layer coating, gelation of polymer blends, solvent evaporation, and freezing-thawing methods, that create polysaccharide-based assemblies via in situ (one-step) methods for biomedical applications. We focus on materials used for growth factor (GFs) delivery, scaffolds, antimicrobial coatings, and wound dressings.
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Affiliation(s)
- Paulo R. Souza
- Group of Polymeric Materials and Composites, Department of Chemistry, State University of Maringá (UEM), Maringá 87020-900, PR, Brazil; (P.R.S.); (A.C.d.O.); (B.H.V.)
| | - Ariel C. de Oliveira
- Group of Polymeric Materials and Composites, Department of Chemistry, State University of Maringá (UEM), Maringá 87020-900, PR, Brazil; (P.R.S.); (A.C.d.O.); (B.H.V.)
- Laboratory of Materials, Macromolecules and Composites, Federal University of Technology—Paraná (UTFPR), Apucarana 86812-460, PR, Brazil
| | - Bruno H. Vilsinski
- Group of Polymeric Materials and Composites, Department of Chemistry, State University of Maringá (UEM), Maringá 87020-900, PR, Brazil; (P.R.S.); (A.C.d.O.); (B.H.V.)
| | - Matt J. Kipper
- Department of Chemical and Biological Engineering, Colorado State University (CSU), Fort Collins, CO 80523, USA
- School of Advanced Materials Discovery, Colorado State University (CSU), Fort Collins, CO 80523, USA
- School of Biomedical Engineering, Colorado State University (CSU), Fort Collins, CO 80523, USA
| | - Alessandro F. Martins
- Group of Polymeric Materials and Composites, Department of Chemistry, State University of Maringá (UEM), Maringá 87020-900, PR, Brazil; (P.R.S.); (A.C.d.O.); (B.H.V.)
- Laboratory of Materials, Macromolecules and Composites, Federal University of Technology—Paraná (UTFPR), Apucarana 86812-460, PR, Brazil
- Department of Chemical and Biological Engineering, Colorado State University (CSU), Fort Collins, CO 80523, USA
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32
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Whiteley Z, Ho HMK, Gan YX, Panariello L, Gkogkos G, Gavriilidis A, Craig DQM. Microfluidic synthesis of protein-loaded nanogels in a coaxial flow reactor using a design of experiments approach. NANOSCALE ADVANCES 2021; 3:2039-2055. [PMID: 36133085 PMCID: PMC9419594 DOI: 10.1039/d0na01051k] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 02/17/2021] [Indexed: 06/16/2023]
Abstract
Ionic gelation is commonly used to generate nanogels but often results in poor control over size and polydispersity. In this work we present a novel approach to the continuous manufacture of protein-loaded chitosan nanogels using microfluidics whereby we demonstrate high control and uniformity of the product characteristics. Specifically, a coaxial flow reactor (CFR) was employed to control the synthesis of the nanogels, comprising an inner microcapillary of internal diameter (ID) 0.595 mm and a larger outer glass tube of ID 1.6 mm. The CFR successfully facilitated the ionic gelation process via chitosan and lysozyme flowing through the inner microcapillary, while cross-linkers sodium tripolyphosphate (TPP) and 1-ethyl-2-(3-dimethylaminopropyl)-carbodiimide (EDC) flowed through the larger outer tube. In conjunction with the CFR, a four-factor three-level face-centered central composite design (CCD) was used to ascertain the relationship between various factors involved in nanogel production and their responses. Specifically, four factors including chitosan concentration, TPP concentration, flow ratio and lysozyme concentration were investigated for their effects on three responses (size, polydispersity index (PDI) and encapsulation efficiency (% EE)). A desirability function was applied to identify the optimum parameters to formulate nanogels in the CFR with ideal characteristics. Nanogels prepared using the optimal parameters were successfully produced in the nanoparticle range at 84 ± 4 nm, showing a high encapsulation efficiency of 94.6 ± 2.9% and a high monodispersity of 0.26 ± 0.01. The lysis activity of the protein lysozyme was significantly enhanced in the nanogels at 157.6% in comparison to lysozyme alone. Overall, the study has demonstrated that the CFR is a viable method for the synthesis of functional nanogels containing bioactive molecules.
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Affiliation(s)
- Zoe Whiteley
- School of Pharmacy, University College London 29-39 Brunswick Square London WC1N 1AX UK
| | - Hei Ming Kenneth Ho
- School of Pharmacy, University College London 29-39 Brunswick Square London WC1N 1AX UK
| | - Yee Xin Gan
- School of Pharmacy, University College London 29-39 Brunswick Square London WC1N 1AX UK
| | - Luca Panariello
- Department of Chemical Engineering, University College London Torrington Place WC1E 7JE UK
| | - Georgios Gkogkos
- Department of Chemical Engineering, University College London Torrington Place WC1E 7JE UK
| | - Asterios Gavriilidis
- Department of Chemical Engineering, University College London Torrington Place WC1E 7JE UK
| | - Duncan Q M Craig
- School of Pharmacy, University College London 29-39 Brunswick Square London WC1N 1AX UK
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33
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Mauri E, Giannitelli SM, Trombetta M, Rainer A. Synthesis of Nanogels: Current Trends and Future Outlook. Gels 2021; 7:36. [PMID: 33805279 PMCID: PMC8103252 DOI: 10.3390/gels7020036] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/16/2021] [Accepted: 03/23/2021] [Indexed: 12/14/2022] Open
Abstract
Nanogels represent an innovative platform for tunable drug release and targeted therapy in several biomedical applications, ranging from cancer to neurological disorders. The design of these nanocarriers is a pivotal topic investigated by the researchers over the years, with the aim to optimize the procedures and provide advanced nanomaterials. Chemical reactions, physical interactions and the developments of engineered devices are the three main areas explored to overcome the shortcomings of the traditional nanofabrication approaches. This review proposes a focus on the current techniques used in nanogel design, highlighting the upgrades in physico-chemical methodologies, microfluidics and 3D printing. Polymers and biomolecules can be combined to produce ad hoc nanonetworks according to the final curative aims, preserving the criteria of biocompatibility and biodegradability. Controlled polymerization, interfacial reactions, sol-gel transition, manipulation of the fluids at the nanoscale, lab-on-a-chip technology and 3D printing are the leading strategies to lean on in the next future and offer new solutions to the critical healthcare scenarios.
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Affiliation(s)
- Emanuele Mauri
- Department of Engineering, Università Campus Bio-Medico di Roma, via Álvaro del Portillo 21, 00128 Rome, Italy; (E.M.); (S.M.G.); (M.T.)
| | - Sara Maria Giannitelli
- Department of Engineering, Università Campus Bio-Medico di Roma, via Álvaro del Portillo 21, 00128 Rome, Italy; (E.M.); (S.M.G.); (M.T.)
| | - Marcella Trombetta
- Department of Engineering, Università Campus Bio-Medico di Roma, via Álvaro del Portillo 21, 00128 Rome, Italy; (E.M.); (S.M.G.); (M.T.)
| | - Alberto Rainer
- Department of Engineering, Università Campus Bio-Medico di Roma, via Álvaro del Portillo 21, 00128 Rome, Italy; (E.M.); (S.M.G.); (M.T.)
- Institute of Nanotechnology (NANOTEC), National Research Council, via Monteroni, 73100 Lecce, Italy
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34
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Khan KU, Minhas MU, Sohail M, Badshah SF, Abdullah O, Khan S, Munir A, Suhail M. Synthesis of PEG-4000-co-poly (AMPS) nanogels by cross-linking polymerization as highly responsive networks for enhancement in meloxicam solubility. Drug Dev Ind Pharm 2021; 47:465-476. [PMID: 33651645 DOI: 10.1080/03639045.2021.1892738] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Poor solubility is an ongoing issue and the graph of poorly soluble drugs has increased markedly which critically affect their dissolution, bioavailability, and clinical effects. This common issue needs to be addressed, for this purpose a series of polyethylene glycol (PEG-4000) based nanogels were developed by free radical polymerization technique to enhance the solubility, dissolution, and bioavailability of poorly soluble drug meloxicam (MLX), as improved solubility is the significant application of nanosystems. Developed nanogels formulations were characterized by FTIR, XRD, SEM, zeta sizer, percent equilibrium swelling, drug loaded content (DLC), drug entrapment efficiency (DEE), solubility studies, and in vitro dissolution studies. Furthermore, cytotoxicity studies were conducted in order to determine the bio-compatibility of the nanogels drug delivery system to biological environment. Nanogels particle size was found to be 156.19 ± 09.33 d.nm. Solubility study confirmed that the solubility of poorly soluble drug MLX was significantly enhanced up to 36 folds as compared to reference product (Mobic®). The toxicity study conducted on rabbits and MTT assay endorsed the safety of the developed nanogels formulations to the biological system.
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Affiliation(s)
- Kifayat Ullah Khan
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Punjab, Pakistan
| | | | - Muhammad Sohail
- Department of Pharmacy, COMSATS Institute of Information Technology, Abbottabad, Pakistan
| | - Syed Faisal Badshah
- Department of Pharmaceutics, Faculty of Pharmacy, The Islamia University of Bahawalpur, Bahawalpur, Punjab, Pakistan
| | - Orva Abdullah
- Hamdard Institute of Pharmaceutical Science, Hamdard University Islamabad, Islamabad, Pakistan
| | - Shahzeb Khan
- Department of Pharmacy, University of Malakand, Chakdara, Pakistan.,School of Health Sciences, Discipline of Pharmaceutical Sciences, University of Kawazulu Natal, Durban, South Africa
| | - Abubakar Munir
- Department of Pharmacy, Superior University, Lahore, Pakistan
| | - Muhammad Suhail
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan, ROC
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35
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Melatonin delivery from PCL scaffold enhances glycosaminoglycans deposition in human chondrocytes – Bioactive scaffold model for cartilage regeneration. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.08.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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36
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Yao Y, Zhang T, Chen H, Zheng S, Chen Y, Zhang S. Enhanced chondrogenesis in a coculture system with genetically manipulated dedifferentiated chondrocytes and ATDC5 cells. Biotechnol Bioeng 2020; 117:3173-3181. [PMID: 32633811 DOI: 10.1002/bit.27482] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 06/17/2020] [Accepted: 07/05/2020] [Indexed: 12/12/2022]
Abstract
Articular cartilage repair after injury is a great challenge worldwide due to its nerveless and avascular features. Tissue engineering is proposed as a promising alternative for cartilage regeneration. In this study, an adenoviral vector carrying the transforming growth factor-β3 (TGF-β3) gene was constructed and introduced into dedifferentiated chondrocytes, which were then cocultured with ATDC5 cells in an alginate hydrogel system. The results showed that the experimental groups exhibited better cell viability and higher levels of cartilage-related genes than the control groups. In this coculture system, the chondrogenic differentiation of ATDC5 cells was effectively induced by TGF-β3 and other latent cytokines that were produced by the transfected chondrocytes. Thus, this method can avoid the degradation of exogenous TGF-β3, and it can protect ATDC5 cells during virus transfection to maintain cell viability and chondrogenic differentiation capability. Taken together, this study provides fresh insights for applying this genetically manipulated coculture system to cartilage repair in the future.
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Affiliation(s)
- Yongchang Yao
- Department of Joint Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Guangzhou, China
| | - Tingshuai Zhang
- Department of Joint Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Department of Orthopaedics, Dongguan Tungwah Hospital, Dongguan, China
| | - Hanzheng Chen
- Department of Joint Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Guangzhou, China
| | - Shicong Zheng
- Department of Joint Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Guangzhou, China
| | - Yi Chen
- Department of Joint Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Guangzhou, China
| | - Shujiang Zhang
- Department of Joint Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Guangdong Key Laboratory of Orthopaedic Technology and Implant Materials, Guangzhou, China
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37
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Baranova J, Büchner D, Götz W, Schulze M, Tobiasch E. Tooth Formation: Are the Hardest Tissues of Human Body Hard to Regenerate? Int J Mol Sci 2020; 21:E4031. [PMID: 32512908 PMCID: PMC7312198 DOI: 10.3390/ijms21114031] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/02/2020] [Accepted: 06/03/2020] [Indexed: 12/12/2022] Open
Abstract
With increasing life expectancy, demands for dental tissue and whole-tooth regeneration are becoming more significant. Despite great progress in medicine, including regenerative therapies, the complex structure of dental tissues introduces several challenges to the field of regenerative dentistry. Interdisciplinary efforts from cellular biologists, material scientists, and clinical odontologists are being made to establish strategies and find the solutions for dental tissue regeneration and/or whole-tooth regeneration. In recent years, many significant discoveries were done regarding signaling pathways and factors shaping calcified tissue genesis, including those of tooth. Novel biocompatible scaffolds and polymer-based drug release systems are under development and may soon result in clinically applicable biomaterials with the potential to modulate signaling cascades involved in dental tissue genesis and regeneration. Approaches for whole-tooth regeneration utilizing adult stem cells, induced pluripotent stem cells, or tooth germ cells transplantation are emerging as promising alternatives to overcome existing in vitro tissue generation hurdles. In this interdisciplinary review, most recent advances in cellular signaling guiding dental tissue genesis, novel functionalized scaffolds and drug release material, various odontogenic cell sources, and methods for tooth regeneration are discussed thus providing a multi-faceted, up-to-date, and illustrative overview on the tooth regeneration matter, alongside hints for future directions in the challenging field of regenerative dentistry.
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Affiliation(s)
- Juliana Baranova
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, Avenida Professor Lineu Prestes 748, Vila Universitária, São Paulo 05508-000, Brazil;
| | - Dominik Büchner
- Department of Natural Sciences, Bonn-Rhein-Sieg University of Applied Sciences, von-Liebig-Straße 20, 53359 Rheinbach, NRW, Germany; (D.B.); (M.S.)
| | - Werner Götz
- Oral Biology Laboratory, Department of Orthodontics, Dental Hospital of the University of Bonn, Welschnonnenstraße 17, 53111 Bonn, NRW, Germany;
| | - Margit Schulze
- Department of Natural Sciences, Bonn-Rhein-Sieg University of Applied Sciences, von-Liebig-Straße 20, 53359 Rheinbach, NRW, Germany; (D.B.); (M.S.)
| | - Edda Tobiasch
- Department of Natural Sciences, Bonn-Rhein-Sieg University of Applied Sciences, von-Liebig-Straße 20, 53359 Rheinbach, NRW, Germany; (D.B.); (M.S.)
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Chen C, Huang K, Zhu J, Bi Y, Wang L, Jiang J, Zhu T, Yan X, Zhao J. A novel elastic and controlled-release poly(ether-ester-urethane)urea scaffold for cartilage regeneration. J Mater Chem B 2020; 8:4106-4121. [PMID: 32253395 DOI: 10.1039/c9tb02754h] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In the tissue engineering of cartilage, scaffolds with appropriate elasticity and controlled-release properties are essential. Herein, we synthesized a poly(ether-ester-urethane)urea scaffold with a pendant amino group (PEEUUN) through a de-protection process from PEEUU-Boc polymers and grafted kartogenin (KGN) onto the PEEUUN scaffolds (PEEUUN-KGN). Characterization, performance tests, scaffold biocompatibility analysis, and chondrogenesis evaluation both in vitro and in vivo were conducted. The results revealed that the PEEUUN-KGN scaffolds were degradable and three-dimensional (3D) with interconnected pores, and possessed good elasticity, as well as excellent cytocompatibility. Meanwhile, KGN on the PEEUUN-KGN scaffolds underwent stable sustained release for a long time and promoted human umbilical cord mesenchymal stem cells (HUCMSCs) to differentiate into chondrocytes in vitro, thus enhancing cartilage regeneration in vivo. In conclusion, the present PEEUUN-KGN scaffolds would have application potential for cartilage tissue engineering.
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Affiliation(s)
- Chang'an Chen
- Department of Sports Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, People's Republic of China.
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Asadniaye Fardjahromi M, Razmjou A, Vesey G, Ejeian F, Banerjee B, Chandra Mukhopadhyay S, Ebrahimi Warkiani M. Mussel inspired ZIF8 microcarriers: a new approach for large-scale production of stem cells. RSC Adv 2020; 10:20118-20128. [PMID: 35520442 PMCID: PMC9054200 DOI: 10.1039/d0ra04090h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 05/12/2020] [Indexed: 12/27/2022] Open
Abstract
Metal–organic frameworks (MOFs) have high porosity, large surface area, and tunable functionality and have been widely used for drug loading. The aim of this study was to exploit unique features of zeolitic imidazolate framework-8 (ZIF8) to develop an innovative composite microcarrier (MC) for human mesenchymal stem cells (hMSCs) adhesion and proliferation. ZIF8 MCs were prepared by immobilization of polydopamine/polyethyleneimine (PDA/PEI) and ZIF8 on the surface of polystyrene beads. The chemical properties of MCs such as coating stability and homogeneity were characterized by different techniques such as ATR-FTIR, XRD, EDX, SEM, and contact angle. The prepared MCs were tested using human adipose-derived mesenchymal stem cells (hADSCs) in both static and dynamic conditions, and results were compared to a commercially available MC (Star-Plus), polydopamine coated MCs and amine-functionalized MCs as a control. Results show that PDA/PEI/ZIF8 coated MCs (in short: ZIF8 MCs) provides an excellent biocompatible environment for hADSCs adhesion and growth. In conclusion, ZIF8 MCs represent suitable and low-cost support for hADSCs culture and expansion, which can maximize cell yield and viability while preserving hADSCs multipotency. The present findings have revealed this strategy has the potential for chemical and topographical modification of MCs in tissue engineering applications. Mussel inspired ZIF8 microcarriers with high surface area, biocompatibility, and nanoscale surface roughness are applied to enhance mesenchymal stem cell attachment and proliferation in 3D cell culture.![]()
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Affiliation(s)
| | - Amir Razmjou
- Department of Biotechnology
- Faculty of Biological Science and Technology
- University of Isfahan
- Isfahan
- Iran
| | | | - Fatemeh Ejeian
- Department of Biotechnology
- Faculty of Biological Science and Technology
- University of Isfahan
- Isfahan
- Iran
| | | | | | - Majid Ebrahimi Warkiani
- School of Biomedical Engineering
- University of Technology Sydney
- Sydney
- Australia
- Institute of Molecular Medicine
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