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Shi J, Hao X, Yang H, He Z, Lu J, Li Y, Luan L, Zhang Q. A biguanide chitosan-based hydrogel adhesive accelerates the healing of bacterial-infected wounds. Carbohydr Polym 2024; 342:122397. [PMID: 39048234 DOI: 10.1016/j.carbpol.2024.122397] [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: 03/31/2024] [Revised: 06/09/2024] [Accepted: 06/10/2024] [Indexed: 07/27/2024]
Abstract
The development of tissue adhesives with good biocompatibility and potent antimicrobial properties is crucial for addressing the high incidence of surgical site infections in emergency and clinical settings. Herein, an injectable hydrogel adhesive composed of chitosan biguanidine (CSG), oxidized dextran (ODex) and tannin (TA) was synthesized primarily through Schiff-base reactions, hydrogen bonding, and electrostatic interactions. TA was introduced into the CSG/ODex hydrogel to prepare a physicochemically double cross-linked hydrogel. The hydrogel formulation incorporating 2 wt% TA (CSG/ODex-TA2) exhibited rapid gelation, moderate mechanical properties, good tissue adhesion, and sustained release behavior of TA. Both in vitro and in vivo studies demonstrated that CSG/ODex-TA2 showed significantly enhanced adhesion and antibacterial effectiveness compared to the CSG/ODex hydrogel and commercial fibrin glue. Leveraging the positive charge of CSG, the CSG/ODex-TA2 hydrogel demonstrated a strong contact antibacterial effect, while the sustained release of TA provided diffusion antibacterial capabilities. By integrating contact and diffusion antibacterial mechanisms into the hydrogel, a promising approach was developed to boost antibacterial efficiency and accelerate the healing of wounds infected with methicillin-resistant Staphylococcus aureus (MRSA). The CSG/ODex-TA2 hydrogel has excellent biocompatibility, hemostatic properties, and antibacterial capabilities, making it a promising candidate for improving in vivo wound care and combating bacterial infections.
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Affiliation(s)
- Junhao Shi
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Xin Hao
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Hanyu Yang
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Zhimin He
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Jiaju Lu
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Yunhui Li
- Department of Laboratory Medical Center, General Hospital of Northern Theater Command, No. 83, Wenhua Road, Shenhe District, Shenyang 110016, PR China
| | - Liang Luan
- Department of Laboratory Medical Center, General Hospital of Northern Theater Command, No. 83, Wenhua Road, Shenhe District, Shenyang 110016, PR China.
| | - Quan Zhang
- Institute of Smart Biomedical Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, PR China.
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2
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Zhang G, Zhang M, Feng Q, Wang R, Mei H, Xing K, Li J. Supramolecular Composite Hydrogel Loaded with CaF 2 Nanoparticles Promotes the Recovery of Periodontitis Bone Resorption. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 39183483 DOI: 10.1021/acsami.4c07210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/27/2024]
Abstract
Treatments to reduce periodontal inflammation and rescue periodontitis bone resorption have been of interest to researchers. Bone tissue engineering materials have been gradually used in the treatment of bone defects, but periodontal bone tissue regeneration still faces challenges. Considering the biocompatibility factor, constructing bionic scaffolds with natural extracellular matrix properties is an ideal therapeutic pathway. Based on the pathological mechanism of periodontitis, in this study, short peptide and nanometer inorganic particles were comingled to construct NapKFF-nano CaF2 supramolecular composite hydrogels with different ratios. Material characterization experiments confirmed that the composite hydrogel had suitable mechanical properties and a three-dimensional structure that can function in the resorption region of the alveolar bone and provide spaces for cell proliferation and adhesion. The release of low concentrations of fluoride and calcium ions has been shown to have positive biological effects in both in vivo and in vitro experiments. Vitro experiments confirmed that the composite hydrogel had good biocompatibility and promoted osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs). Microbiological experiments confirmed that the composite hydrogel inhibited the activity of periodontal pathogenic bacteria. In animal studies, composite hydrogel applied to periodontitis rats in vivo can effectively repair alveolar bone resorption. This composite hydrogel has a simple preparation method and is inexpensive to produce, yet it has antibacterial and osteogenesis-promoting incremental effects, which makes it well suited for the treatment of periodontitis bone resorption, providing a new strategy for periodontal bone tissue engineering.
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Affiliation(s)
- Guanning Zhang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Third Section, Renmin South Rd, Chengdu 610041, Sichuan, China
| | - Mei Zhang
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Third Section, Renmin South Rd, Chengdu 610041, Sichuan, China
| | - Qingchen Feng
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Third Section, Renmin South Rd, Chengdu 610041, Sichuan, China
| | - Ruohan Wang
- National Engineering Research Center for Biomaterials, College of Biomedical Engineering, Sichuan University, Chengdu 610064, Sichuan, China
| | - Hongxiang Mei
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Third Section, Renmin South Rd, Chengdu 610041, Sichuan, China
| | - Ke Xing
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Third Section, Renmin South Rd, Chengdu 610041, Sichuan, China
| | - Juan Li
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Third Section, Renmin South Rd, Chengdu 610041, Sichuan, China
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3
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Santos MS, Silva JC, Carvalho MS. Hierarchical Biomaterial Scaffolds for Periodontal Tissue Engineering: Recent Progress and Current Challenges. Int J Mol Sci 2024; 25:8562. [PMID: 39201249 PMCID: PMC11354458 DOI: 10.3390/ijms25168562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2024] [Revised: 08/02/2024] [Accepted: 08/03/2024] [Indexed: 09/02/2024] Open
Abstract
The periodontium is a complex hierarchical structure composed of alveolar bone, periodontal ligament, cementum, and gingiva. Periodontitis is an inflammatory disease that damages and destroys the periodontal tissues supporting the tooth. Periodontal therapies aim to regenerate the lost tissues, yet current treatments lack the integration of multiple structural/biochemical instructive cues to induce a coordinated regeneration, which leads to limited clinical outcomes. Hierarchical biomaterial scaffolds offer the opportunity to recreate the organization and architecture of the periodontium with distinct compartments, providing structural biomimicry that facilitates periodontal regeneration. Various scaffolds have been fabricated and tested preclinically, showing positive regenerative results. This review provides an overview of the recent research on hierarchical scaffolds for periodontal tissue engineering (TE). First, the hierarchical structure of the periodontium is described, covering the limitations of the current treatments used for periodontal regeneration and presenting alternative therapeutic strategies, including scaffolds and biochemical factors. Recent research regarding hierarchical scaffolds is highlighted and discussed, in particular, the scaffold composition, fabrication methods, and results from in vitro/in vivo studies are summarized. Finally, current challenges associated with the application of hierarchical scaffolds for periodontal TE are debated and future research directions are proposed.
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Affiliation(s)
- Mafalda S. Santos
- Department of Bioengineering and iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - João C. Silva
- Department of Bioengineering and iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Marta S. Carvalho
- Department of Bioengineering and iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal;
- Associate Laboratory i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
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4
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Li XL, Fan W, Fan B. Dental pulp regeneration strategies: A review of status quo and recent advances. Bioact Mater 2024; 38:258-275. [PMID: 38745589 PMCID: PMC11090883 DOI: 10.1016/j.bioactmat.2024.04.031] [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: 11/27/2023] [Revised: 02/18/2024] [Accepted: 04/28/2024] [Indexed: 05/16/2024] Open
Abstract
Microorganisms, physical factors such as temperature or mechanical injury, and chemical factors such as free monomers from composite resin are the main causes of dental pulp diseases. Current clinical treatment methods for pulp diseases include the root canal therapy, vital pulp therapy and regenerative endodontic therapy. Regenerative endodontic therapy serves the purpose of inducing the regeneration of new functional pulp tissues through autologous revascularization or pulp tissue engineering. This article first discusses the current clinical methods and reviews strategies as well as the research outcomes regarding the pulp regeneration. Then the in vivo models, the prospects and challenges for regenerative endodontic therapy were further discussed.
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Affiliation(s)
- Xin-Lu Li
- The State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, 237 Luoyu Road, 430079, Wuhan, China
| | - Wei Fan
- The State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, 237 Luoyu Road, 430079, Wuhan, China
| | - Bing Fan
- The State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, 237 Luoyu Road, 430079, Wuhan, China
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5
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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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6
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Che Z, Sun Q, Zhao Z, Wu Y, Xing H, Song K, Chen A, Wang B, Cai M. Growth factor-functionalized titanium implants for enhanced bone regeneration: A review. Int J Biol Macromol 2024; 274:133153. [PMID: 38897500 DOI: 10.1016/j.ijbiomac.2024.133153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 06/02/2024] [Accepted: 06/12/2024] [Indexed: 06/21/2024]
Abstract
Titanium and titanium alloys are widely favored materials for orthopedic implants due to their exceptional mechanical properties and biological inertness. The additional benefit of sustained local release of bioactive substances further promotes bone tissue formation, thereby augmenting the osseointegration capacity of titanium implants and attracting increasing attention in bone tissue engineering. Among these bioactive substances, growth factors have shown remarkable osteogenic and angiogenic induction capabilities. Consequently, researchers have developed various physical, chemical, and biological loading techniques to incorporate growth factors into titanium implants, ensuring controlled release kinetics. In contrast to conventional treatment modalities, the localized release of growth factors from functionalized titanium implants not only enhances osseointegration but also reduces the risk of complications. This review provides a comprehensive examination of the types and mechanisms of growth factors, along with a detailed exploration of the methodologies used to load growth factors onto the surface of titanium implants. Moreover, it highlights recent advancements in the application of growth factors to the surface of titanium implants (Scheme 1). Finally, the review discusses current limitations and future prospects for growth factor-functionalized titanium implants. In summary, this paper presents cutting-edge design strategies aimed at enhancing the bone regenerative capacity of growth factor-functionalized titanium implants-a significant advancement in the field of enhanced bone regeneration.
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Affiliation(s)
- Zhenjia Che
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 301 Middle Yanchang Road, Shanghai 200072, People's Republic of China.
| | - Qi Sun
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 301 Middle Yanchang Road, Shanghai 200072, People's Republic of China
| | - Zhenyu Zhao
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 301 Middle Yanchang Road, Shanghai 200072, People's Republic of China
| | - Yanglin Wu
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 301 Middle Yanchang Road, Shanghai 200072, People's Republic of China
| | - Hu Xing
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 301 Middle Yanchang Road, Shanghai 200072, People's Republic of China
| | - Kaihang Song
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 301 Middle Yanchang Road, Shanghai 200072, People's Republic of China
| | - Aopan Chen
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 301 Middle Yanchang Road, Shanghai 200072, People's Republic of China
| | - Bo Wang
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 301 Middle Yanchang Road, Shanghai 200072, People's Republic of China.
| | - Ming Cai
- Department of Orthopaedics, Shanghai Tenth People's Hospital, Tongji University School of Medicine, No. 301 Middle Yanchang Road, Shanghai 200072, People's Republic of China.
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7
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Fathi A, Gholami M, Motasadizadeh H, Malek-Khatabi A, Sedghi R, Dinarvand R. Thermoresponsive in situ forming and self-healing double-network hydrogels as injectable dressings for silymarin/levofloxacin delivery for treatment of third-degree burn wounds. Carbohydr Polym 2024; 331:121856. [PMID: 38388054 DOI: 10.1016/j.carbpol.2024.121856] [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: 10/11/2023] [Revised: 01/16/2024] [Accepted: 01/20/2024] [Indexed: 02/24/2024]
Abstract
Our study aimed to introduce a novel double-cross-linked and thermoresponsive hydrogel with remarkable potential for accelerating third-degree burn wound healing. Burn injuries are recognized as challenging, critical wounds. Especially in third-degree burns, treatment is demanding due to extended wounds, irregular shapes, significant exudation, and intense pain during dressing changes. In this work, hydrogels made of zwitterionic chitosan and dialdehyde starch (ZCS and ZDAS) were created to deliver silymarine (SM) and levofloxacin (LEV). The hydrogels were effortlessly produced using dynamic Schiff base linkages and ionic interactions between ZCS and ZDAS at appropriate times. The pore uniformity, gel fraction, and commendable swelling properties can imply a suitable degree of Schiff base cross-link. The hydrogel demonstrated outstanding shape retention, and significant self-healing and flexibility abilities, enabling it to uphold its form even during bodily movements. After injecting biocompatible hydrogel on the wound, a notable acceleration in wound closure was observed on day 21 (98.1 ± 1.10 %) compared to the control group (75.1 ± 6.13 %), and histopathological analysis revealed a reduction of inflammation that can be linked to remarkable antioxidant and antibiotic properties. The results demonstrate the hydrogel's efficacy in promoting burn wound healing, making it a promising candidate for medical applications.
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Affiliation(s)
- Anna Fathi
- Department of Polymer & Materials Chemistry, Faculty of Chemistry & Petroleum Sciences, Shahid Beheshti University, G.C, 1983969411 Tehran, Iran
| | - Marziye Gholami
- Department of Polymer & Materials Chemistry, Faculty of Chemistry & Petroleum Sciences, Shahid Beheshti University, G.C, 1983969411 Tehran, Iran
| | - Hamidreza Motasadizadeh
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Iran; Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614315, Iran
| | - Atefeh Malek-Khatabi
- Department of Pharmaceutical Biomaterials, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Roya Sedghi
- Department of Polymer & Materials Chemistry, Faculty of Chemistry & Petroleum Sciences, Shahid Beheshti University, G.C, 1983969411 Tehran, Iran.
| | - Rassoul Dinarvand
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614315, Iran; Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran 1417614315, Iran; Leicester School of Pharmacy, De Montfort University, Leicester, UK.
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8
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Vaidya G, Pramanik S, Kadi A, Rayshan AR, Abualsoud BM, Ansari MJ, Masood R, Michaelson J. Injecting hope: chitosan hydrogels as bone regeneration innovators. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2024; 35:756-797. [PMID: 38300215 DOI: 10.1080/09205063.2024.2304952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 01/08/2024] [Indexed: 02/02/2024]
Abstract
Spontaneous bone regeneration encounters substantial restrictions in cases of bone defects, demanding external intervention to improve the repair and regeneration procedure. The field of bone tissue engineering (BTE), which embraces a range of disciplines, offers compelling replacements for conventional strategies like autografts, allografts, and xenografts. Among the diverse scaffolding materials utilized in BTE applications, hydrogels have demonstrated great promise as templates for the regeneration of bone owing to their resemblance to the innate extracellular matrix. In spite of the advancement of several biomaterials, chitosan (CS), a natural biopolymer, has garnered significant attention in recent years as a beneficial graft material for producing injectable hydrogels. Injectable hydrogels based on CS formulations provide numerous advantages, including their capacity to absorb and preserve a significant amount of water, their minimally invasive character, the existence of porous structures, and their capability to adapt accurately to irregular defects. Moreover, combining CS with other naturally derived or synthetic polymers and bioactive materials has displayed its effectiveness as a feasible substitute for traditional grafts. We aim to spotlight the composition, production, and physicochemical characteristics and practical utilization of CS-based injectable hydrogels, explicitly focusing on their potential implementations in bone regeneration. We consider this review a fundamental resource and a source of inspiration for future research attempts to pioneer the next era of tissue-engineering scaffold materials.
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Affiliation(s)
- Gayatri Vaidya
- Department of Studies and Research in Food Technology, Davangere University, Davangere, India
| | - Sheersha Pramanik
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai, India
| | - Ammar Kadi
- Department of Food and Biotechnology, South Ural State University, Chelyabinsk, Russia
| | - Ahmed Raheem Rayshan
- Department of Physiology, Pharmacology, and Biochemistry, College of Veterinary Medicine, University of Al-Qadisiyah, Al-Diwaniyah, Iraq
| | - Bassam M Abualsoud
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Al-Ahliyya Amman University, Amman, Jordan
| | - Mohammad Javed Ansari
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Rehana Masood
- Department of Biochemistry, Shaheed Benazir Bhutto Women University, Peshawar, Pakistan
| | - Jacob Michaelson
- Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, India
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9
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Huang X, Lou Y, Duan Y, Liu H, Tian J, Shen Y, Wei X. Biomaterial scaffolds in maxillofacial bone tissue engineering: A review of recent advances. Bioact Mater 2024; 33:129-156. [PMID: 38024227 PMCID: PMC10665588 DOI: 10.1016/j.bioactmat.2023.10.031] [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: 08/28/2023] [Revised: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
Maxillofacial bone defects caused by congenital malformations, trauma, tumors, and inflammation can severely affect functions and aesthetics of maxillofacial region. Despite certain successful clinical applications of biomaterial scaffolds, ideal bone regeneration remains a challenge in maxillofacial region due to its irregular shape, complex structure, and unique biological functions. Scaffolds that address multiple needs of maxillofacial bone regeneration are under development to optimize bone regeneration capacity, costs, operational convenience. etc. In this review, we first highlight the special considerations of bone regeneration in maxillofacial region and provide an overview of the biomaterial scaffolds for maxillofacial bone regeneration under clinical examination and their efficacy, which provide basis and directions for future scaffold design. Latest advances of these scaffolds are then discussed, as well as future perspectives and challenges. Deepening our understanding of these scaffolds will help foster better innovations to improve the outcome of maxillofacial bone tissue engineering.
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Affiliation(s)
- Xiangya Huang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Yaxin Lou
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Yihong Duan
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - He Liu
- Division of Endodontics, Department of Oral Biological and Medical Sciences, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Jun Tian
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Ya Shen
- Division of Endodontics, Department of Oral Biological and Medical Sciences, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Xi Wei
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
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10
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Ma J, Li J, Wei S, Ge Q, Wu J, Xue L, Qi Y, Xu S, Jin H, Gao C, Lin J. Delivery of dental pulp stem cells by an injectable ROS-responsive hydrogel promotes temporomandibular joint cartilage repair via enhancing anti-apoptosis and regulating microenvironment. J Tissue Eng 2024; 15:20417314241260436. [PMID: 38911101 PMCID: PMC11193934 DOI: 10.1177/20417314241260436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 05/23/2024] [Indexed: 06/25/2024] Open
Abstract
Temporomandibular joint (TMJ) cartilage repair poses a considerable clinical challenge, and tissue engineering has emerged as a promising solution. In this study, we developed an injectable reactive oxygen species (ROS)-responsive multifunctional hydrogel (RDGel) to encapsulate dental pulp stem cells (DPSCs/RDGel in short) for the targeted repair of condylar cartilage defect. The DPSCs/RDGel composite exhibited a synergistic effect in the elimination of TMJ OA (osteoarthritis) inflammation via the interaction between the hydrogel component and the DPSCs. We first demonstrated the applicability and biocompatibility of RDGel. RDGel encapsulation could enhance the anti-apoptotic ability of DPSCs by inhibiting P38/P53 mitochondrial apoptotic signal in vitro. We also proved that the utilization of DPSCs/RDGel composite effectively enhanced the expression of TMJOA cartilage matrix and promoted subchondral bone structure in vivo. Subsequently, we observed the synergistic improvement of DPSCs/RDGel composite on the oxidative stress microenvironment of TMJOA and its regulation and promotion of M2 polarization, thereby confirmed that M2 macrophages further promoted the condylar cartilage repair of DPSCs. This is the first time application of DPSCs/RDGel composite for the targeted repair of TMJOA condylar cartilage defects, presenting a novel and promising avenue for cell-based therapy.
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Affiliation(s)
- Jinjin Ma
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Juan Li
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Shibo Wei
- Innovation Center for Smart Medical Technologies & Devices, Binjiang Institute of Zhejiang University, Hangzhou, China
| | - Qinwen Ge
- Institute of Orthopaedics and Traumatology of Zhejiang Province, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
| | - Jie Wu
- School of Stomatology, Zhejiang Chinese Medical University, Hangzhou, China
| | - Leilei Xue
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yezi Qi
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Siyi Xu
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Hongting Jin
- Institute of Orthopaedics and Traumatology of Zhejiang Province, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Chinese Medicine), Hangzhou, Zhejiang, China
| | - Changyou Gao
- Innovation Center for Smart Medical Technologies & Devices, Binjiang Institute of Zhejiang University, Hangzhou, China
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, China
| | - Jun Lin
- Department of Stomatology, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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11
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Zhang S, Zhao G, Mahotra M, Ma S, Li W, Lee HW, Yu H, Sampathkumar K, Xie D, Guo J, Loo SCJ. Chitosan nanofibrous scaffold with graded and controlled release of ciprofloxacin and BMP-2 nanoparticles for the conception of bone regeneration. Int J Biol Macromol 2024; 254:127912. [PMID: 37939763 DOI: 10.1016/j.ijbiomac.2023.127912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/18/2023] [Accepted: 11/04/2023] [Indexed: 11/10/2023]
Abstract
The repair of bone defects using grafts is commonly employed in clinical practice. However, the risk of infection poses a significant concern. Tissue engineering scaffolds with antibacterial functionalities offer a better approach for bone tissue repair. In this work, firstly, two kinds of nanoparticles were prepared using chitosan to complex with ciprofloxacin and BMP-2, respectively. The ciprofloxacin complex nanoparticles improved the dissolution efficiency of ciprofloxacin achieving a potent antibacterial effect and cumulative release reached 95 % in 7 h. For BMP-2 complexed nanoparticles, the release time points can be programmed at 80 h, 100 h or 180 h by regulating the number of coating chitosan layers. Secondly, a functional scaffold was prepared by combining the two nanoparticles with chitosan nanofibers. The microscopic nanofiber structure of the scaffold with 27.28 m2/g specific surface area promotes cell adhesion, high porosity provides space for cell growth, and facilitates drug loading and release. The multifunctional scaffold exhibits programmed release function, and has obvious antibacterial effect at the initial stage of implantation, and releases BMP-2 to promote osteogenic differentiation of mesenchymal stem cells after the antibacterial effect ends. The scaffold is expected to be applied in clinical bone repair and graft infection prevention.
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Affiliation(s)
- Sihan Zhang
- Department of Orthopedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Southern Medical University, Guangzhou 510630, China
| | - Guanglei Zhao
- State Key Lab of Pulp and Papermaking Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510641, China.
| | - Manish Mahotra
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Shiyuan Ma
- Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China
| | - Wenrui Li
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore; NTU Institute for Health Technologies, Interdisciplinary Graduate Program, Nanyang Technological University, 61 Nanyang Drive, 637335, Singapore
| | - Hiang Wee Lee
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Hong Yu
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Kaarunya Sampathkumar
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Denghui Xie
- Department of Orthopedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Southern Medical University, Guangzhou 510630, China.
| | - Jinshan Guo
- Department of Orthopedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Southern Medical University, Guangzhou 510630, China; Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou 510515, China.
| | - Say Chye Joachim Loo
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore; Singapore Centre for Environmental Life Sciences Engineering, Nanyang Technological University, 60 Nanyang Technological University, 60 Nanyang Drive, 637551, Singapore; Lee Kong Chian School of Medicine, Nanyang Technological University, 11 Mandalay Road, 308232, Singapore.
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12
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Patel DK, Jung E, Priya S, Won SY, Han SS. Recent advances in biopolymer-based hydrogels and their potential biomedical applications. Carbohydr Polym 2024; 323:121408. [PMID: 37940291 DOI: 10.1016/j.carbpol.2023.121408] [Citation(s) in RCA: 24] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 11/10/2023]
Abstract
Hydrogels are three-dimensional networks of polymer chains containing large amounts of water in their structure. Hydrogels have received significant attention in biomedical applications owing to their attractive physicochemical properties, including flexibility, softness, biodegradability, and biocompatibility. Different natural and synthetic polymers have been intensely explored in developing hydrogels for the desired applications. Biopolymers-based hydrogels have advantages over synthetic polymers regarding improved cellular activity and weak immune response. These properties can be further improved by grafting with other polymers or adding nanomaterials, and they structurally mimic the living tissue environments, which opens their broad applicability. The hydrogels can be physically or chemically cross-linked depending on the structure. The use of different biopolymers-based hydrogels in biomedical applications has been reviewed and discussed earlier. However, no report is still available to comprehensively introduce the synthesis, advantages, disadvantages, and biomedical applications of biopolymers-based hydrogels from the material point of view. Herein, we systematically overview different synthesis methods of hydrogels and provide a holistic approach to biopolymers-based hydrogels for biomedical applications, especially in bone regeneration, wound healing, drug delivery, bioimaging, and therapy. The current challenges and prospects of biopolymers-based hydrogels are highlighted rationally, giving an insight into the progress of these hydrogels and their practical applications.
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Affiliation(s)
- Dinesh K Patel
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - Eunseo Jung
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - Sahariya Priya
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - So-Yeon Won
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, 280-Daehak-ro, Gyeongsan 38541, Republic of Korea.
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13
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Cui T, Wu Y, Wang Z, Ban Q, Cheng J. Construction and properties of a carbon dots-decorated gelatin-dialdehyde starch hydrogel with pH response release and antibacterial activity. Int J Biol Macromol 2024; 254:127929. [PMID: 37972844 DOI: 10.1016/j.ijbiomac.2023.127929] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/31/2023] [Accepted: 11/05/2023] [Indexed: 11/19/2023]
Abstract
An antibacterial carbon dot hydrogel (GDSS-PCD) was constructed based on gelatin, dialdehyde starch (DS) and carbon dots (S-PCDs). The formation mechanism of GDSS-PCD hydrogels was attributed to the synergistic cross-linking of hydrogen bonds and dynamic covalent bonds. With increasing S-PCD content, the mechanical and rheological properties of GDSS-PCD hydrogels can be improved, and the micropore size becomes denser. GDSS-PCD hydrogels had pH-dependent swelling and degradation behavior, with a high swelling rate under acidic conditions and relatively low swelling under neutral and alkaline conditions. The cumulative release of S-PCDs from the same hydrogel in an acidic environment was higher than that in an alkaline environment, indicating that the GDSS-PCD hydrogel had a pH-dependent controlled release ability. The release behavior of S-PCDs conformed to the first-order kinetic release model (R2 > 0.95), and the release mechanism was related to Fickian diffusion. The synergistic antibacterial mechanism of GDSS-PCD hydrogels against Staphylococcus aureus suggested that bacterial metabolism leads to an acidic culture environment, which releases S-PCDs and destroys the bacterial cell membrane for antibacterial purposes. In GDSS-PCD hydrogels, S-PCDs play the main antibacterial role, and the hydrogel plays a synergistic role in trapping bacteria. Carbon dot hydrogels are promising materials to fulfil the functions of antibacterial and controlled release in the food and biomedical fields.
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Affiliation(s)
- Tianqi Cui
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yue Wu
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Zhaohua Wang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Qingfeng Ban
- College of Food Science, Northeast Agricultural University, Harbin 150030, China.
| | - Jianjun Cheng
- College of Food Science, Northeast Agricultural University, Harbin 150030, China.
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14
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Zhang Y, Shi D, Wang W, Li W, Li W, Zhao L, Ma L, Peng Z, Sun X, Yang C. Injectable hydrogels embedded with chitosan nanoparticles coated with hyaluronic acid for sequential release of dual drugs. Int J Biol Macromol 2024; 256:128527. [PMID: 38040140 DOI: 10.1016/j.ijbiomac.2023.128527] [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: 10/10/2023] [Revised: 11/14/2023] [Accepted: 11/28/2023] [Indexed: 12/03/2023]
Abstract
An effective treatment for some disease, such as the model disease acute retinal necrosis (ARN), requires a combination of different drugs which should be administered at a certain interval. The precise sequential and long-term drug release are the critical questions. In this work, the as-prepared chitosan nanoparticles (CS-NPs) coated with hyaluronic acid (HA) were embedded in the aldehyde β-cyclodextrin (ACD)/aminated hyaluronic acid (NHA) hydrogels to synthesize injectable hydrogels loaded with dual drugs named DEX-CS-NPs/GCV-Gel and HA-DEX-CS-NPs/GCV-Gel. In the first 24 h and 48 h, the releases of DEX from DEX-CS-NPs/GCV-Gel were 128.5 % and 82.8 % faster than those from HA-DEX-CS-NPs/GCV-Gel, respectively. There was no DEX released from HA-DEX-CS-NPs/GCV-Gel at the first 7 h, which has never been reported before, although some hydrogel systems loaded with different drugs release different drugs simultaneously at different rate which have been well studied. This is a good start of a precise sequence release. The composite hydrogels possessed appropriate rheology, gel time, degradation performance, and ideal cytocompatibility. The injectable hydrogel loaded with dual drugs presenting a precise sequential and long-term release has great potential in the treatment of diseases requiring combinations of drugs being released sequentially at different treating stages.
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Affiliation(s)
- Yongfei Zhang
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Depeng Shi
- Medical College of Qingdao University, Qingdao University, Qingdao, Shandong 266071, China
| | - Wenqian Wang
- Shangdong Dongyue Research Institute Co., Ltd., Zibo, Shandong 255000, China
| | - Weiyi Li
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Wenhui Li
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Lihua Zhao
- The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong 266071, China
| | - Lichun Ma
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Zhi Peng
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Xianyong Sun
- Weifang Eye Institute, National Key Clinical Specialty, Weifang Eye Hospital, Zhengda Guangming Eye Group, Weifang, Shandong 261000, China.
| | - Chao Yang
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China.
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15
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Zhang D, Li Z, Yang L, Ma H, Chen H, Zeng X. Architecturally designed sequential-release hydrogels. Biomaterials 2023; 303:122388. [PMID: 37980822 DOI: 10.1016/j.biomaterials.2023.122388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 10/23/2023] [Accepted: 11/04/2023] [Indexed: 11/21/2023]
Abstract
Drug synergy has made significant strides in clinical applications in recent decades. However, achieving a platform that enables "single administration, multi-stage release" by emulating the natural physiological processes of the human body poses a formidable challenge in the field of molecular pharmaceutics. Hydrogels, as the novel generation of drug delivery systems, have gained widespread utilization in drug platforms owing to their exceptional biocompatibility and modifiability. Sequential drug delivery hydrogels (SDDHs), which amalgamate the advantages of hydrogel and sequential release platforms, offer a promising solution for effectively navigating the intricate human environment and accomplishing drug sequential release. Inspired by architectural design, this review establishes connections between three pivotal factors in SDDHs construction, namely mechanisms, carrier spatial structure, and stimuli-responsiveness, and three aspects of architectural design, specifically building materials, house structures, and intelligent interactive furniture, aiming at providing insights into recent developments in SDDHs. Furthermore, the dual-drug collocation and cutting-edge hydrogel preparation technologies as well as the prevailing challenges in the field were elucidated.
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Affiliation(s)
- Dan Zhang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
| | - Zimu Li
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China; School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Li Yang
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
| | - Hualin Ma
- Department of Nephrology, Shenzhen People's Hospital, The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, 518020, China.
| | - Hongzhong Chen
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China.
| | - Xiaowei Zeng
- School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China.
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16
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Nasir NJN, Arifin N, Noordin KBA, Yusop N. Bone repair and key signalling pathways for cell-based bone regenerative therapy: A review. J Taibah Univ Med Sci 2023; 18:1350-1363. [PMID: 37305024 PMCID: PMC10248876 DOI: 10.1016/j.jtumed.2023.05.015] [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: 02/20/2023] [Revised: 04/11/2023] [Accepted: 05/15/2023] [Indexed: 06/13/2023] Open
Abstract
Advances in cell-based regenerative therapy create new opportunities for the treatment of bone-related disorders and injuries, by improving the reparative phase of bone healing. Apart from the classical approach of bone grafting, the application of cell-based therapies, particularly stem cells (SCs), has gained a lot of attention in recent years. SCs play an important role in regenerative therapy due to their excellent ability to differentiate into bone-forming cells. Regeneration of new bone is regulated by a wide variety of signalling molecules and intracellular networks, which are responsible for coordinating cellular processes. The activated signalling cascade is significantly involved in cell survival, proliferation, apoptosis, and interaction with the microenvironment and other types of cells within the healing site. Despite the increasing evidence from studies conducted on signalling pathways associated with bone formation, the exact mechanism involved in controlling the differentiation stage of transplanted cells is not well understood. Identifying the key activated pathways involved in bone regeneration may allow for precise manipulation of the relevant signalling molecules within the progenitor cell population to accelerate the healing process. The in-depth knowledge of molecular mechanisms would be advantageous in improving the efficiency of personalised medicine and targeted therapy in regenerative medicine. In this review, we briefly introduce the theory of bone repair mechanism and bone tissue engineering followed by an overview of relevant signalling pathways that have been identified to play an important role in cell-based bone regenerative therapy.
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Affiliation(s)
- Nur Julia N. Nasir
- Basic and Medical Sciences Department, School of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | - Norsyahida Arifin
- Institute for Research in Molecular Medicine, Universiti Sains Malaysia, Penang, Malaysia
| | - Khairul Bariah A.A. Noordin
- Basic and Medical Sciences Department, School of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | - Norhayati Yusop
- Basic and Medical Sciences Department, School of Dental Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
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17
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Santos MS, dos Santos AB, Carvalho MS. New Insights in Hydrogels for Periodontal Regeneration. J Funct Biomater 2023; 14:545. [PMID: 37998114 PMCID: PMC10672517 DOI: 10.3390/jfb14110545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/06/2023] [Accepted: 11/08/2023] [Indexed: 11/25/2023] Open
Abstract
Periodontitis is a destructive inflammatory disease characterized by microbial infection that damages the tissues supporting the tooth (alveolar bone, gingiva, periodontal ligament, and cementum), ultimately resulting in the loss of teeth. The ultimate goal of periodontal therapy is to achieve the regeneration of all of the periodontal tissues. Thus, tissue engineering approaches have been evolving from simple membranes or grafts to more complex constructs. Hydrogels are highly hydrophilic polymeric networks with the ability to simulate the natural microenvironment of cells. In particular, hydrogels offer several advantages when compared to other forms of scaffolds, such as tissue mimicry and sustained drug delivery. Moreover, hydrogels can maintain a moist environment similar to the oral cavity. Hydrogels allow for precise placement and retention of regenerative materials at the defect site, minimizing the potential for off-target effects and ensuring that the treatment is focused on the specific defect site. As a mechanism of action, the sustained release of drugs presented by hydrogels allows for control of the disease by reducing the inflammation and attracting host cells to the defect site. Several therapeutic agents, such as antibiotics, anti-inflammatory and osteogenic drugs, have been loaded into hydrogels, presenting effective benefits in periodontal health and allowing for sustained drug release. This review discusses the causes and consequences of periodontal disease, as well as the advantages and limitations of current treatments applied in clinics. The main components of hydrogels for periodontal regeneration are discussed focusing on their different characteristics, outcomes, and strategies for drug delivery. Novel methods for the fabrication of hydrogels are highlighted, and clinical studies regarding the periodontal applications of hydrogels are reviewed. Finally, limitations in current research are discussed, and potential future directions are proposed.
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Affiliation(s)
- Mafalda S. Santos
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (M.S.S.); (A.B.d.S.)
- Associate Laboratory i4HB—Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
| | - Alexandra B. dos Santos
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (M.S.S.); (A.B.d.S.)
- Associate Laboratory i4HB—Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
| | - Marta S. Carvalho
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (M.S.S.); (A.B.d.S.)
- Associate Laboratory i4HB—Institute for Health and Bioeconomy at Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
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18
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Yang L, Yang W, Xu W, Zhao Y, Shang L. Bio-inspired Janus microcarriers with sequential actives release for bone regeneration. CHEMICAL ENGINEERING JOURNAL 2023; 476:146797. [DOI: 10.1016/j.cej.2023.146797] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
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19
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Liao X, Shen M, Li T, Feng L, Lin Z, Shi G, Pei G, Cai X. Combined Molybdenum Gelatine Methacrylate Injectable Nano-Hydrogel Effective Against Diabetic Bone Regeneration. Int J Nanomedicine 2023; 18:5925-5942. [PMID: 37881608 PMCID: PMC10596232 DOI: 10.2147/ijn.s428429] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 10/08/2023] [Indexed: 10/27/2023] Open
Abstract
Introduction Bone defects in diabetes mellitus (DM) remain a major challenge for clinical treatment. Fluctuating glucose levels in DM patients lead to excessive production of reactive oxygen species (ROS), which disrupt bone repair homeostasis. Bone filler materials have been widely used in the clinical treatment of DM-related bone defects, but overall they lack efficacy in improving the bone microenvironment and inducing osteogenesis. We utilized a gelatine methacrylate (GelMA) hydrogel with excellent biological properties in combination with molybdenum (Mo)-based polyoxometalate nanoclusters (POM) to scavenge ROS and promote osteoblast proliferation and osteogenic differentiation through the slow-release effect of POM, providing a feasible strategy for the application of biologically useful bone fillers in bone regeneration. Methods We synthesized an injectable hydrogel by gelatine methacrylate (GelMA) and POM. The antioxidant capacity and biological properties of the synthesized GelMA/POM hydrogel were tested. Results In vitro, studies showed that hydrogels can inhibit excessive reactive oxygen species (ROS) and reduce oxidative stress in cells through the beneficial effects of pH-sensitive POM. Osteogenic differentiation assays showed that GelMA/POM had good osteogenic properties with upregulated expression of osteogenic genes (BMP2, RUNX2, Osterix, ALP). Furthermore, RNA-sequencing revealed that activation of the PI3K/Akt signalling pathway in MC3T3-E1 cells with GelMA/POM may be a potential mechanism to promote osteogenesis. In an in vivo study, radiological and histological analyses showed enhanced bone regeneration in diabetic mice, after the application of GelMA/POM. Conclusion In summary, GelMA/POM hydrogels can enhance bone regeneration by directly scavenging ROS and activating the PI3K/Akt signalling pathway.
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Affiliation(s)
- Xun Liao
- Department of Orthopedics, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, People’s Republic of China
| | - Mingkui Shen
- Henan Provincial Third People’s Hospital, Zhengzhou, Henan Province, 450000, People’s Republic of China
| | - Tengbo Li
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, 519000, People’s Republic of China
| | - Li Feng
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, 519000, People’s Republic of China
| | - Zhao Lin
- Department of Orthopedics, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, People’s Republic of China
| | - Guang Shi
- Department of Orthopedics, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, People’s Republic of China
| | - Guoxian Pei
- School of Medicine, Southern University of Science and Technology, Shenzhen, Guangdong Province, 519000, People’s Republic of China
| | - Xiyu Cai
- Department of Orthopedics, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, Guangdong Province, 519000, People’s Republic of China
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20
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Gai Y, Yin Y, Guan L, Zhang S, Chen J, Yang J, Zhou H, Li J. Rational Design of Bioactive Materials for Bone Hemostasis and Defect Repair. CYBORG AND BIONIC SYSTEMS 2023; 4:0058. [PMID: 37829507 PMCID: PMC10566342 DOI: 10.34133/cbsystems.0058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 09/05/2023] [Indexed: 10/14/2023] Open
Abstract
Everyday unnatural events such as trauma, accidents, military conflict, disasters, and even medical malpractice create open wounds and massive blood loss, which can be life-threatening. Fractures and large bone defects are among the most common types of injuries. Traditional treatment methods usually involve rapid hemostasis and wound closure, which are convenient and fast but may result in various complications such as nerve injury, deep infection, vascular injury, and deep hematomas. To address these complications, various studies have been conducted on new materials that can be degraded in the body and reduce inflammation and abscesses in the surgical area. This review presents the latest research progress in biomaterials for bone hemostasis and repair. The mechanisms of bone hemostasis and bone healing are first introduced and then principles for rational design of biomaterials are summarized. After providing representative examples of hemostatic biomaterials for bone repair, future challenges and opportunities in the field are proposed.
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Affiliation(s)
- Yuqi Gai
- School of Medical Technology,
Beijing Institute of Technology, Beijing 100081, China
| | - Yue Yin
- School of Medical Technology,
Beijing Institute of Technology, Beijing 100081, China
| | - Ling Guan
- Advanced Research Institute of Multidisciplinary Sciences,
Beijing Institute of Technology, Beijing, 100081, China
- Department of Medicine,
University of British Columbia, Vancouver, BC, Canada
- National Center for Neurological Disorders, Beijing Tiantan Hospital,
Capital Medical University, Beijing 100070, China
| | - Shengchang Zhang
- School of Medical Technology,
Beijing Institute of Technology, Beijing 100081, China
| | - Jiatian Chen
- School of Medical Technology,
Beijing Institute of Technology, Beijing 100081, China
| | - Junyuan Yang
- School of Medical Technology,
Beijing Institute of Technology, Beijing 100081, China
| | - Huaijuan Zhou
- Advanced Research Institute of Multidisciplinary Sciences,
Beijing Institute of Technology, Beijing, 100081, China
| | - Jinhua Li
- School of Medical Technology,
Beijing Institute of Technology, Beijing 100081, China
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21
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Lu HT, Lin C, Wang YJ, Hsu FY, Hsu JT, Tsai ML, Mi FL. Sequential deacetylation/self-gelling chitin hydrogels and scaffolds functionalized with fucoidan for enhanced BMP-2 loading and sustained release. Carbohydr Polym 2023; 315:121002. [PMID: 37230625 DOI: 10.1016/j.carbpol.2023.121002] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 04/22/2023] [Accepted: 05/07/2023] [Indexed: 05/27/2023]
Abstract
Bone morphogenetic protein 2 (BMP-2) is a potent osteoinductive factor that promotes bone formation. A major obstacle to the clinical application of BMP-2 is its inherent instability and complications caused by its rapid release from implants. Chitin based materials have excellent biocompatibility and mechanical properties, making them ideal for bone tissue engineering applications. In this study, a simple and easy method was developed to spontaneously form deacetylated β-chitin (DAC-β-chitin) gels at room temperature through a sequential deacetylation/self-gelation process. The structural transformation of β-chitin to DAC-β-chitin leads to the formation of self-gelling DAC-β-chitin, from which hydrogels and scaffolds were prepared. Gelatin (GLT) accelerated the self-gelation of DAC-β-chitin and increased the pore size and porosity of the DAC-β-chitin scaffold. The DAC-β-chitin scaffolds were then functionalized with a BMP-2-binding sulfate polysaccharide, fucoidan (FD). Compared with β-chitin scaffolds, FD-functionalized DAC-β-chitin scaffolds showed higher BMP-2 loading capacity and more sustainable release of BMP-2, and thus had better osteogenic activity for bone regeneration.
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Affiliation(s)
- Hsien-Tsung Lu
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei City 11031, Taiwan, ROC; Department of Orthopedics, Taipei Medical University Hospital, Taipei City 11031, Taiwan, ROC
| | - Chi Lin
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei City 11031, Taiwan, ROC
| | - Yi-Ju Wang
- Department of Food Science, National Taiwan Ocean University, Keelung 20224, Taiwan, ROC
| | - Fang-Yu Hsu
- Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei City 11031, Taiwan, ROC
| | - Ju-Ting Hsu
- Department of Food Science, National Taiwan Ocean University, Keelung 20224, Taiwan, ROC
| | - Min-Lang Tsai
- Department of Food Science, National Taiwan Ocean University, Keelung 20224, Taiwan, ROC.
| | - Fwu-Long Mi
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei City 11031, Taiwan, ROC; Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei City 11031, Taiwan, ROC; Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei City 11031, Taiwan, ROC.
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22
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Ghandforoushan P, Alehosseini M, Golafshan N, Castilho M, Dolatshahi-Pirouz A, Hanaee J, Davaran S, Orive G. Injectable hydrogels for cartilage and bone tissue regeneration: A review. Int J Biol Macromol 2023; 246:125674. [PMID: 37406921 DOI: 10.1016/j.ijbiomac.2023.125674] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/29/2023] [Accepted: 07/01/2023] [Indexed: 07/07/2023]
Abstract
Annually, millions of patients suffer from irreversible injury owing to the loss or failure of an organ or tissue caused by accident, aging, or disease. The combination of injectable hydrogels and the science of stem cells have emerged to address this persistent issue in society by generating minimally invasive treatments to augment tissue function. Hydrogels are composed of a cross-linked network of polymers that exhibit a high-water retention capacity, thereby mimicking the wet environment of native cells. Due to their inherent mechanical softness, hydrogels can be used as needle-injectable stem cell carrier materials to mend tissue defects. Hydrogels are made of different natural or synthetic polymers, displaying a broad portfolio of eligible properties, which include biocompatibility, low cytotoxicity, shear-thinning properties as well as tunable biological and physicochemical properties. Presently, novel ongoing developments and native-like hydrogels are increasingly being used broadly to improve the quality of life of those with disabling tissue-related diseases. The present review outlines various future and in-vitro applications of injectable hydrogel-based biomaterials, focusing on the newest ongoing developments of in-situ forming injectable hydrogels for bone and cartilage tissue engineering purposes.
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Affiliation(s)
- Parisa Ghandforoushan
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz, Iran; Clinical Research Development, Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Morteza Alehosseini
- Department of Health Technology, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | - Nasim Golafshan
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Miguel Castilho
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, the Netherlands; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands
| | | | - Jalal Hanaee
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz, Iran
| | - Soodabeh Davaran
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz, Iran
| | - Gorka Orive
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country UPV/EHU Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain; Networking Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Vitoria-Gasteiz, Spain; Bioaraba, NanoBioCel Research Group, Vitoria-Gasteiz, Spain; University Institute for Regenerative Medicine and Oral Implantology - UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain; University of the Basque Country, Spain.
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23
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Liu XL, Zhang CJ, Shi JJ, Ke QF, Ge YW, Zhu ZA, Guo YP. Nacre-mimetic cerium-doped nano-hydroxyapatite/chitosan layered composite scaffolds regulate bone regeneration via OPG/RANKL signaling pathway. J Nanobiotechnology 2023; 21:259. [PMID: 37550715 PMCID: PMC10408205 DOI: 10.1186/s12951-023-01988-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 07/07/2023] [Indexed: 08/09/2023] Open
Abstract
Autogenous bone grafting has long been considered the gold standard for treating critical bone defects. However, its use is plagued by numerous drawbacks, such as limited supply, donor site morbidity, and restricted use for giant-sized defects. For this reason, there is an increasing need for effective bone substitutes to treat these defects. Mollusk nacre is a natural structure with outstanding mechanical property due to its notable "brick-and-mortar" architecture. Inspired by the nacre architecture, our team designed and fabricated a nacre-mimetic cerium-doped layered nano-hydroxyapatite/chitosan layered composite scaffold (CeHA/CS). Hydroxyapatite can provide a certain strength to the material like a brick. And as a polymer material, chitosan can slow down the force when the material is impacted, like an adhesive. As seen in natural nacre, the combination of these inorganic and organic components results in remarkable tensile strength and fracture toughness. Cerium ions have been demonstrated exceptional anti-osteoclastogenesis capabilities. Our scaffold featured a distinct layered HA/CS composite structure with intervals ranging from 50 to 200 μm, which provided a conducive environment for human bone marrow mesenchymal stem cell (hBMSC) adhesion and proliferation, allowing for in situ growth of newly formed bone tissue. In vitro, Western-blot and qPCR analyses showed that the CeHA/CS layered composite scaffolds significantly promoted the osteogenic process by upregulating the expressions of osteogenic-related genes such as RUNX2, OCN, and COL1, while inhibiting osteoclast differentiation, as indicated by reduced TRAP-positive osteoclasts and decreased bone resorption. In vivo, calvarial defects in rats demonstrated that the layered CeHA/CS scaffolds significantly accelerated bone regeneration at the defect site, and immunofluorescence indicated a lowered RANKL/OPG ratio. Overall, our results demonstrate that CeHA/CS scaffolds offer a promising platform for bone regeneration in critical defect management, as they promote osteogenesis and inhibit osteoclast activation.
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Affiliation(s)
- Xiao-Liang Liu
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Chuan-Jian Zhang
- The Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, 200234, China
| | - Jing-Jing Shi
- The Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, 200234, China
| | - Qin-Fei Ke
- The Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, 200234, China
| | - Yu-Wei Ge
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China.
| | - Zhen-An Zhu
- Shanghai Key Laboratory of Orthopedic Implants, Department of Orthopedic Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.
| | - Ya-Ping Guo
- The Education Ministry Key Lab of Resource Chemistry, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, 200234, China.
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24
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Chen L, Zheng B, Xu Y, Sun C, Wu W, Xie X, Zhu Y, Cai W, Lin S, Luo Y, Shi C. Nano hydrogel-based oxygen-releasing stem cell transplantation system for treating diabetic foot. J Nanobiotechnology 2023; 21:202. [PMID: 37370102 DOI: 10.1186/s12951-023-01925-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 05/10/2023] [Indexed: 06/29/2023] Open
Abstract
The employment of stem cells and hydrogel is widespread in contemporary clinical approaches to treating diabetic foot ulcers. However, the hypoxic conditions in the surrounding lesion tissue lead to a low stem cell survival rate following transplantation. This research introduces a novel hydrogel with superior oxygen permeability and biocompatibility, serving as a vehicle for developing a stem cell transplantation system incorporating oxygen-releasing microspheres and cardiosphere-derived stem cells (CDCs). By optimizing the peroxidase fixation quantity on the microsphere surface and the oxygen-releasing microsphere content within the transplantation system, intracellular oxygen levels were assessed using electron paramagnetic resonance (EPR) under simulated low-oxygen conditions in vitro. The expression of vascularization and repair-related indexes were evaluated via RT-PCR and ELISA. The microspheres were found to continuously release oxygen for three weeks within the transplantation system, promoting growth factor expression to maintain intracellular oxygen levels and support the survival and proliferation of CDCs. Moreover, the effect of this stem cell transplantation system on wound healing in a diabetic foot mice model was examined through an in vivo animal experiment. The oxygen-releasing microspheres within the transplantation system preserved the intracellular oxygen levels of CDCs in the hypoxic environment of injured tissues. By inhibiting the expression of inflammatory factors and stimulating the upregulation of pertinent growth factors, it improved the vascularization of ulcer tissue on the mice's back and expedited the healing of the wound site. Overall, the stem cell transplantation system in this study, based on hydrogels containing CDCs and oxygen-releasing microspheres, offers a promising strategy for the clinical implementation of localized stem cell delivery to improve diabetic foot wound healing.
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Affiliation(s)
- Liangmiao Chen
- Department of Endocrinology, The Third Affiliated Hospital of Wenzhou Medical University, 325200, Wenzhou, Zhejiang, China
| | - Bingru Zheng
- Department of Interventional Vascular Surgery, The Third Affiliated Hospital of Wenzhou Medical University, No.108 Wansong Road, 325200, Wenzhou, Zhejiang, China
| | - Yizhou Xu
- Department of Interventional Vascular Surgery, The Third Affiliated Hospital of Wenzhou Medical University, No.108 Wansong Road, 325200, Wenzhou, Zhejiang, China
| | - Changzheng Sun
- Institute of Cardiovascular Development and Translational Medicine, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, 325027, Wenzhou, Zhejiang, China
| | - Wanrui Wu
- Department of Interventional Vascular Surgery, The Third Affiliated Hospital of Wenzhou Medical University, No.108 Wansong Road, 325200, Wenzhou, Zhejiang, China
| | - Xiangpang Xie
- Department of Interventional Vascular Surgery, The Third Affiliated Hospital of Wenzhou Medical University, No.108 Wansong Road, 325200, Wenzhou, Zhejiang, China
| | - Yu Zhu
- Department of Interventional Vascular Surgery, The Third Affiliated Hospital of Wenzhou Medical University, No.108 Wansong Road, 325200, Wenzhou, Zhejiang, China
| | - Wei Cai
- Department of Interventional Vascular Surgery, The Third Affiliated Hospital of Wenzhou Medical University, No.108 Wansong Road, 325200, Wenzhou, Zhejiang, China
| | - Suifang Lin
- Department of Interventional Vascular Surgery, The Third Affiliated Hospital of Wenzhou Medical University, No.108 Wansong Road, 325200, Wenzhou, Zhejiang, China
| | - Ya Luo
- Department of Interventional Vascular Surgery, The Third Affiliated Hospital of Wenzhou Medical University, No.108 Wansong Road, 325200, Wenzhou, Zhejiang, China.
| | - Changsheng Shi
- Department of Interventional Vascular Surgery, The Third Affiliated Hospital of Wenzhou Medical University, No.108 Wansong Road, 325200, Wenzhou, Zhejiang, China.
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25
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Wang W, Shi D, Zhang Y, Li W, Li F, Feng H, Ma L, Yang C, Peng Z, Song G, Zeng H, Xie L. An injectable hydrogel based on hyaluronic acid prepared by Schiff base for long-term controlled drug release. Int J Biol Macromol 2023:125341. [PMID: 37327929 DOI: 10.1016/j.ijbiomac.2023.125341] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 05/28/2023] [Accepted: 06/10/2023] [Indexed: 06/18/2023]
Abstract
Drug-loaded injectable hydrogels have been studied widely in biomedical technology while the stable long-term controlled drug release and cytotoxicity are challenges. In this work, an injectable hydrogel with good swelling resistance was in situ synthetized using aminated hyaluronic acid (NHA) and aldehyde β-cyclodextrin (ACD) via Schiff-base reaction. The composition, morphology and mechanical property were characterized with FTIR, 13C NMR, SEM and rheology test, respectively. Voriconazole (VCZ) and Endophthalmitis was selected as a model drug and disease, respectively. The drug release, cytotoxicity and antifungal properties were detected in vitro. The results showed a long-term (> 60 days) drug release was realized, the NHA/ACD2/VCZ presented a zero-order release in the later stage. The cytotoxicity of NHA/ACD was detected by live/dead staining assay and Cell Counting Kit-8 (CCK-8). The survival rate of adult retina pigment epithelial cell line-19 (ARPE-19) was over 100 % after 3 d, it indicated a good cytocompatibility. The antifungal experiment presented samples had antifungal property. Biocompatibility in vivo proved NHA/ACD2 had no adverse effects on ocular tissues. Consequently, the injectable hydrogel based on hyaluronic acid prepared by Schiff base reaction provides a new option for long-term controlled drug release in the course of disease treatment from a material perspective.
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Affiliation(s)
- Wenqian Wang
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Depeng Shi
- Medical College of Qingdao University, Qingdao University, Qingdao, Shandong 266071, China; Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong 266071, China
| | - Yongfei Zhang
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Wenhui Li
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Feng Li
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Hui Feng
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Lichun Ma
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Chao Yang
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China.
| | - Zhi Peng
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Guojun Song
- College of Materials Science and Engineering, Qingdao University, Qingdao, Shandong 266071, China
| | - Hongbo Zeng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Lixin Xie
- Eye Institute of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong 266071, China.
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26
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Andanje MN, Mwangi JW, Mose BR, Carrara S. Biocompatible and Biodegradable 3D Printing from Bioplastics: A Review. Polymers (Basel) 2023; 15:polym15102355. [PMID: 37242930 DOI: 10.3390/polym15102355] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/05/2023] [Accepted: 05/06/2023] [Indexed: 05/28/2023] Open
Abstract
There has been a lot of interest in developing and producing biodegradable polymers to address the current environmental problem caused by the continued usage of synthetic polymers derived from petroleum products. Bioplastics have been identified as a possible alternative to the use of conventional plastics since they are biodegradable and/or derived from renewable resources. Additive manufacturing, also referred to as 3D printing, is a field of growing interest and can contribute towards a sustainable and circular economy. The manufacturing technology also provides a wide material selection with design flexibility increasing its usage in the manufacture of parts from bioplastics. With this material flexibility, efforts have been directed towards developing 3D printing filaments from bioplastics such as Poly (lactic acid) to substitute the common fossil- based conventional plastic filaments such as Acrylonitrile butadiene styrene. Plant biomass is now utilized in the development of biocomposite materials. A lot of literature presents work done toward improving the biodegradability of printing filaments. However, additive manufacture of biocomposites from plant biomass is faced with printing challenges such as warping, low agglomeration between layers and poor mechanical properties of the printed parts. The aim of this paper is to review the technology of 3D printing using bioplastics, study the materials that have been utilized in this technology and how challenges of working with biocomposites in additive manufacture have been addressed.
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Affiliation(s)
- Maurine Naliaka Andanje
- Department of Mechatronic Engineering, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi 00200, Kenya
| | - James Wamai Mwangi
- Department of Mechatronic Engineering, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi 00200, Kenya
| | - Bruno Roberts Mose
- Department of Mechanical Engineering, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Nairobi 00200, Kenya
| | - Sandro Carrara
- Institute of Electrical and Micro Engineering, École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
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27
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Budiarso IJ, Rini NDW, Tsalsabila A, Birowosuto MD, Wibowo A. Chitosan-Based Smart Biomaterials for Biomedical Applications: Progress and Perspectives. ACS Biomater Sci Eng 2023. [PMID: 37178166 DOI: 10.1021/acsbiomaterials.3c00216] [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] [Indexed: 05/15/2023]
Abstract
Over the past decade, smart and functional biomaterials have escalated as one of the most rapidly emerging fields in the life sciences because the performance of biomaterials could be improved by careful consideration of their interaction and response with the living systems. Thus, chitosan could play a crucial role in this frontier field because it possesses many beneficial properties, especially in the biomedical field such as excellent biodegradability, hemostatic properties, antibacterial activity, antioxidant properties, biocompatibility, and low toxicity. Furthermore, chitosan is a smart and versatile biopolymer due to its polycationic nature with reactive functional groups that allow the polymer to form many interesting structures or to be modified in various ways to suit the targeted applications. In this review, we provide an up-to-date development of the versatile structures of chitosan-based smart biomaterials such as nanoparticles, hydrogels, nanofibers, and films, as well as their application in the biomedical field. This review also highlights several strategies to enhance biomaterial performance for fast growing fields in biomedical applications such as drug delivery systems, bone scaffolds, wound healing, and dentistry.
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Affiliation(s)
- Indra J Budiarso
- Materials Science and Engineering Research Group, Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung 40132, West Java, Indonesia
| | - Novi D W Rini
- Materials Science and Engineering Research Group, Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung 40132, West Java, Indonesia
| | - Annisa Tsalsabila
- Department of Physics, Faculty of Mathematics and Natural Sciences, IPB University, Jl. Meranti, Bogor 16680, West Java, Indonesia
| | - Muhammad D Birowosuto
- Łukasiewicz Research Network - PORT Polish Center for Technology Development, Stabłowicka 147, Wrocław 54-066, Poland
| | - Arie Wibowo
- Materials Science and Engineering Research Group, Faculty of Mechanical and Aerospace Engineering, Institut Teknologi Bandung, Jl. Ganesha 10, Bandung 40132, West Java, Indonesia
- Research Center for Nanoscience and Nanotechnology, Institut Teknologi Bandung, Bandung 40132, West Java, Indonesia
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28
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Elango J. Proliferative and Osteogenic Supportive Effect of VEGF-Loaded Collagen-Chitosan Hydrogel System in Bone Marrow Derived Mesenchymal Stem Cells. Pharmaceutics 2023; 15:pharmaceutics15041297. [PMID: 37111780 PMCID: PMC10143960 DOI: 10.3390/pharmaceutics15041297] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/17/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
The use of hydrogel (HG) in regenerative medicine is an emerging field and thus several approaches have been proposed recently to find an appropriate hydrogel system. In this sense, this study developed a novel HG system using collagen, chitosan, and VEGF composites for culturing mesenchymal stem cells (MSCs), and investigated their ability for osteogenic differentiation and mineral deposition. Our results showed that the HG loaded with 100 ng/mL VEGF (HG-100) significantly supported the proliferation of undifferentiated MSCs, the fibrillary filament structure (HE stain), mineralization (alizarin red S and von Kossa stain), alkaline phosphatase, and the osteogenesis of differentiated MSCs compared to other hydrogels (loaded with 25 and 50 ng/mL VEGF) and control (without hydrogel). HG-100 showed a higher VEGF releasing rate from day 3 to day 7 than other HGs, which substantially supports the proliferative and osteogenic properties of HG-100. However, the HGs did not increase the cell growth in differentiated MSCs on days 14 and 21 due to the confluence state (reach stationary phase) and cell loading ability, regardless of the VEGF content. Similarly, the HGs alone did not stimulate the osteogenesis of MSCs; however, they increased the osteogenic ability of MSCs in presence of osteogenic supplements. Accordingly, a fabricated HG with VEGF could be used as an appropriate system to culture stem cells for bone and dental regeneration.
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Affiliation(s)
- Jeevithan Elango
- Department of Biomaterials Engineering, Faculty of Health Sciences, UCAM-Universidad Católica San Antonio de Murcia, Campus de los Jerónimos 135, Guadalupe, 30107 Murcia, Spain
- Center of Molecular Medicine and Diagnostics (COMManD), Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077, India
- Department of Marine Biopharmacology, College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
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29
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Yang L, Wang X, Yu Y, Shang L, Xu W, Zhao Y. Bio-inspired dual-adhesive particles from microfluidic electrospray for bone regeneration. NANO RESEARCH 2023; 16:5292-5299. [DOI: 10.1007/s12274-022-5202-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 07/04/2024]
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30
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Silver-Composited Polydopamine Nanoparticles: Antibacterial and Antioxidant Potential in Nanocomposite Hydrogels. Gels 2023; 9:gels9030183. [PMID: 36975632 PMCID: PMC10048004 DOI: 10.3390/gels9030183] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 02/21/2023] [Accepted: 02/26/2023] [Indexed: 03/02/2023] Open
Abstract
(1) Background: Infections of pathogenic microorganisms can be life-threatening due to delayed healing or even worsening conditions in tissue engineering and regenerative medicine. The excessive presence of reactive oxygen species in damaged and infected tissues causes a negative inflammatory response, resulting in failed healing. Thus, the development of hydrogels with antibacterial and antioxidant abilities for the treatment of infectious tissues is in high demand. (2) Methods: We herein describe the development of green-synthesized silver-composited polydopamine nanoparticles (AgNPs), which are fabricated by the self-assembly of dopamine as a reducing and antioxidant agent in the presence of silver ions. (3) Results: The facile and green-synthesized AgNPs have a nanoscale diameter with mostly spherical shapes, with various shapes coexisting. The particles are stable in an aqueous solution for up to 4 weeks. In addition, remarkable antibacterial activity against Gram-positive and -negative bacterial strains and antioxidant capabilities were evaluated by in vitro assays. When incorporated into biomaterial hydrogels at concentrations above 2 mg L−1, the hydrogels produced powerful antibacterial effects. (4) Conclusions: This study describes a biocompatible hydrogel with antibacterial and antioxidant activities from the introduction of facile and green-synthesized AgNPs as a safer tool for the treatment of damaged tissues.
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31
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Han B, Cao C, Wang A, Zhao Y, Jin M, Wang Y, Chen S, Yu M, Yang Z, Qu X, Wang X. Injectable Double-Network Hydrogel-Based Three-Dimensional Cell Culture Systems for Regenerating Dental Pulp. ACS APPLIED MATERIALS & INTERFACES 2023; 15:7821-7832. [PMID: 36734883 DOI: 10.1021/acsami.2c20848] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The regeneration of dental pulp tissue is very important, but difficult, in dentistry. The biocompatibility, water content, and viscoelastic properties of pulp-like tissue must be optimized to achieve the efficient transfer of metabolites and nutrients, a suitable degradation rate, distribution of encapsulated cells, injectability, and gelation in situ under physiological conditions. As promising materials for pulp regeneration, hydrogel scaffolds have been produced to simulate the extracellular matrix and transmit signaling molecules. It is imperative to develop hydrogels to effectively regenerate pulp tissue for clinical application. Here, two injectable double-network (DN) hydrogel-based three-dimensional (3D) cell culture systems were developed for regenerating dental pulp. The microstructure, mechanical property, rheology property, and degradation behavior of the injectable DN glycol chitosan-based hydrogels in a simulated root canal model were characterized and compared to a single-network (SN) glycol chitosan-based hydrogel. Human dental pulp stem cells (hDPSCs) were then encapsulated into the GC-based hydrogels for the regeneration of pulp tissue, and the biological performance was investigated both in vitro and in vivo. The results showed that the DN hydrogels had ideal injectability under physiological conditions due to the dynamic nature of the crosslinks. Besides, the DN hydrogels exhibited better mechanical properties and longer degradation duration than the corresponding SN hydrogel. As a 3D cell culture system, the characteristics of the DN hydrogel facilitated odontogenic differentiation and mineralization of hDPSCs in vitro. Further in vivo analysis confirmed that the chemical composition, matrix stiffness, and degradation rate of the DN hydrogel matched those of pulp-like fibrous connective tissue, which might be related to Smad3 activation. These findings demonstrate that DN glycol chitosan-based hydrogels are suitable for the regeneration of pulp tissue.
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Affiliation(s)
- Bing Han
- Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - Chunling Cao
- Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - Aijing Wang
- Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - Yanran Zhao
- College of Materials Science and Opto-electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Moran Jin
- Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - Yuhan Wang
- Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - Shuqin Chen
- Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - Min Yu
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
| | - Zhenzhong Yang
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Xiaozhong Qu
- College of Materials Science and Opto-electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoyan Wang
- Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials, Beijing 100081, China
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Wang X, Ma Y, Lu F, Chang Q. The diversified hydrogels for biomedical applications and their imperative roles in tissue regeneration. Biomater Sci 2023; 11:2639-2660. [PMID: 36790251 DOI: 10.1039/d2bm01486f] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Repair and regeneration of tissues after injury are complex pathophysiological processes. Microbial infection, malnutrition, and an ischemic and hypoxic microenvironment in the injured area can impede the typical healing cascade. Distinguished by biomimicry of the extracellular matrix, high aqueous content, and diverse functions, hydrogels have revolutionized clinical practices in tissue regeneration owing to their outstanding hydrophilicity, biocompatibility, and biodegradability. Various hydrogels such as smart hydrogels, nanocomposite hydrogels, and acellular matrix hydrogels are widely used for applications ranging from bench-scale to an industrial scale. In this review, some emerging hydrogels in the biomedical field are briefly discussed. The protective roles of hydrogels in wound dressings and their diverse biological effects on multiple tissues such as bone, cartilage, nerve, muscle, and adipose tissue are also discussed. The vehicle functions of hydrogels for chemicals and cell payloads are detailed. Additionally, this review emphasizes the particular characteristics of hydrogel products that promote tissue repair and reconstruction such as anti-infection, inflammation regulation, and angiogenesis.
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Affiliation(s)
- Xinhui Wang
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 510515, China.
| | - Yuan Ma
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 510515, China.
| | - Feng Lu
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 510515, China.
| | - Qiang Chang
- Department of Plastic and Cosmetic Surgery, Nanfang Hospital, Southern Medical University, 510515, China.
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Yoon SJ, Kim SH, Choi JW, Chun HJ, Yang DH. Guided cortical and cancellous bone formation using a minimally invasive technique of BMSC- and BMP-2-laden visible light-cured carboxymethyl chitosan hydrogels. Int J Biol Macromol 2023; 227:641-653. [PMID: 36549614 DOI: 10.1016/j.ijbiomac.2022.12.137] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 11/29/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022]
Abstract
A cavity defect inside the bone is formed by deformed cancellous bone from the fixation of the cortical bone, and consequently, abnormal bone healing occurs. Therefore, repairing cancellous bone defects is a remarkable topic in orthopedic surgery. In this study, we prepared bone marrow-derived stem cell (BMSC)-laden and bone morphogenetic protein-2 (BMP-2)-laden visible light-cured carboxymethyl chitosan (CMCS) hydrogels for cortical and cancellous bone healing. Proton nuclear magnetic resonance (1H NMR) analysis confirmed the methacrylation of CMCS (CMCSMA), resulting in 55 % of substitution. The higher concentration of CMCSMA hydrogel resulted in the lower swelling ratio, the larger viscosity, the slower degradation behavior, and the stronger compressive strength. The 5 w/v% hydrogel exhibited a controlled BMP-2 release for 14 days, while the 7 and 10 w/v% hydrogels displayed a controlled BMP-2 release for 28 days. Results of in vitro cytotoxicity and cell proliferation assays revealed the biocompatibility of the samples. In vivo animal tests demonstrated that BMSC- and BMP-2-laden 7 w/v% CMCSMA (CMCSMA+Cell+BMP-2) improved bone formation in the defected cortical and cancellous bones of the femur, as analyzed by micro-computed tomography (micro-CT) and histological evaluations. Consequently, we suggested that CMCSMA+Cell+BMP-2 can be a valuable scaffold for restoring cortical and cancellous bone defects.
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Affiliation(s)
- Sun-Jung Yoon
- Department of Orthopedic Surgery, Medical School, Jeonbuk National University, Jeonju 54896, Republic of Korea; Research Institute of Clinical Medicine, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Sae Hyun Kim
- Lumenbio Co., LTD., Seoul 08590, Republic of Korea
| | - Jae Won Choi
- Lumenbio Co., LTD., Seoul 08590, Republic of Korea
| | - Heung Jae Chun
- Department of Medical Life Sciences, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea; Institute of Cell and Tissue Engineering, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
| | - Dae Hyeok Yang
- Institute of Cell and Tissue Engineering, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea.
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Li J, Ma J, Feng Q, Xie E, Meng Q, Shu W, Wu J, Bian L, Han F, Li B. Building Osteogenic Microenvironments with a Double-Network Composite Hydrogel for Bone Repair. RESEARCH 2023; 6:0021. [PMID: 37040486 PMCID: PMC10076009 DOI: 10.34133/research.0021] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 11/17/2022] [Indexed: 01/13/2023]
Abstract
The critical factor determining the in vivo effect of bone repair materials is the microenvironment, which greatly depends on their abilities to promote vascularization and bone formation. However, implant materials are far from ideal candidates for guiding bone regeneration due to their deficient angiogenic and osteogenic microenvironments. Herein, a double-network composite hydrogel combining vascular endothelial growth factor (VEGF)-mimetic peptide with hydroxyapatite (HA) precursor was developed to build an osteogenic microenvironment for bone repair. The hydrogel was prepared by mixing acrylated β-cyclodextrins and octacalcium phosphate (OCP), an HA precursor, with gelatin solution, followed by ultraviolet photo-crosslinking. To improve the angiogenic potential of the hydrogel, QK, a VEGF-mimicking peptide, was loaded in acrylated β-cyclodextrins. The QK-loaded hydrogel promoted tube formation of human umbilical vein endothelial cells and upregulated the expression of angiogenesis-related genes, such as
Flt1
,
Kdr
, and
VEGF
, in bone marrow mesenchymal stem cells. Moreover, QK could recruit bone marrow mesenchymal stem cells. Furthermore, OCP in the composite hydrogel could be transformed into HA and release calcium ions facilitating bone regeneration. The double-network composite hydrogel integrated QK and OCP showed obvious osteoinductive activity. The results of animal experiments showed that the composite hydrogel enhanced bone regeneration in skull defects of rats, due to perfect synergistic effects of QK and OCP on vascularized bone regeneration. In summary, improving the angiogenic and osteogenic microenvironments by our double-network composite hydrogel shows promising prospects for bone repair.
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Affiliation(s)
- Jiaying Li
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, The First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215006, China
| | - Jinjin Ma
- Orthopedic Institute, Department of Orthopaedic Surgery, The First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Qian Feng
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China
| | - En Xie
- Orthopedic Institute, Department of Orthopaedic Surgery, The First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Qingchen Meng
- Orthopedic Institute, Department of Orthopaedic Surgery, The First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Wenmiao Shu
- Department of Biomedical Engineering, University of Strathclyde, Glasgow G1 1QE, UK
| | - Junxi Wu
- Department of Biomedical Engineering, University of Strathclyde, Glasgow G1 1QE, UK
| | - Liming Bian
- School of Biomedical Sciences and Engineering,South China University of Technology, Guangzhou International Campus, Guangzhou 511442, China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou 510006, China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, China
| | - Fengxuan Han
- Orthopedic Institute, Department of Orthopaedic Surgery, The First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
| | - Bin Li
- State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, The First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215006, China
- Orthopedic Institute, Department of Orthopaedic Surgery, The First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, Jiangsu, China
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35
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Polysaccharides-Based Injectable Hydrogels: Preparation, Characteristics, and Biomedical Applications. COLLOIDS AND INTERFACES 2022. [DOI: 10.3390/colloids6040078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Polysaccharides-based injectable hydrogels are a unique group of biodegradable and biocompatible materials that have shown great potential in the different biomedical fields. The biomolecules or cells can be simply blended with the hydrogel precursors with a high loading capacity by homogenous mixing. The different physical and chemical crosslinking approaches for preparing polysaccharide-based injectable hydrogels are reviewed. Additionally, the review highlights the recent work using polysaccharides-based injectable hydrogels as stimuli-responsive delivery vehicles for the controlled release of different therapeutic agents and viscoelastic matrix for cell encapsulation. Moreover, the application of polysaccharides-based injectable hydrogel in regenerative medicine as tissue scaffold and wound healing dressing is covered.
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Zhang Y, Wang T, Zhang D, Li J, Yue X, Kong W, Gu X, Jiao Z, Yang C. Thermosensitive hydrogel loaded with concentrated growth factors promote bone repair in segmental bone defects. Front Bioeng Biotechnol 2022; 10:1039117. [DOI: 10.3389/fbioe.2022.1039117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022] Open
Abstract
Treating critical-size bone defects beyond the body’s self-healing capacity is a challenging clinical task. In this study, we investigate the effect of concentrate growth factors (CGFs) loaded Poloxamer 407 hydrogel on the viability and osteogenic differentiation potential of bone marrow mesenchymal stem cells (BMSCs) and reconstruction of critical-size bone defects. In vitro, this CGFs-loaded thermosensitive hydrogel can significantly promote proliferation, maintain cell viability, and induce osteogenic differentiation of BMSCs by up-regulating the mineralization and alkaline phosphatase (ALP) activity, as well as gene markers, including runt-related transcription factor-2 (Runx-2), type I collagen (Col-1), osteocalcin (OCN), as well as osteopontin (OPN). In vivo, Micro-CT radiography analysis and histological detection demonstrated that the CGFs-loaded hydrogel significantly induced bone healing and reconstructed the medullary cavity structure in critical-size bone defect models. In conclusion, this strategy of transplantation of CGFs-loaded hydrogel promoted bone regeneration and prevented bone nonunion, so as to provide basis for clinical treatment for repairing critical-size bone defects.
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Chitosan biguanide induced mitochondrial inhibition to amplify the efficacy of oxygen-sensitive tumor therapies. Carbohydr Polym 2022; 295:119878. [DOI: 10.1016/j.carbpol.2022.119878] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/22/2022] [Accepted: 07/13/2022] [Indexed: 12/13/2022]
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Liu Z, Xu Z, Wang X, Zhang Y, Wu Y, Jiang D, Jia R. Construction and osteogenic effects of 3D-printed porous titanium alloy loaded with VEGF/BMP-2 shell-core microspheres in a sustained-release system. Front Bioeng Biotechnol 2022; 10:1028278. [PMID: 36338136 PMCID: PMC9634119 DOI: 10.3389/fbioe.2022.1028278] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 10/10/2022] [Indexed: 11/22/2022] Open
Abstract
The repair and reconstruction of bone defects remain a challenge in orthopedics. The present study offers a solution to this problem by developing a vascular endothelial growth factor (VEGF)/bone morphogenetic protein 2 (BMP-2) shell-core microspheres loaded on 3D-printed porous titanium alloy via gelatin coating to prepare a titanium-alloy microsphere scaffold release system. The composite scaffold was characterized via scanning electron microscope (SEM) and energy disperse spectroscopy (EDS), and the effect of the composite scaffold on the adhesion, proliferation, and differentiation of osteoblasts were determined in vitro. Furthermore, a rabbit femoral defect model was established to verify the effect of the composite scaffold on osteogenesis and bone formation in vivo. The results demonstrated that the composite scaffold could release VEGF and BMP-2 sequentially. Meanwhile, the composite scaffold significantly promoted osteoblast adhesion, proliferation, and differentiation (p < 0.05) compared to pure titanium alloy scaffolds in vitro. Furthermore, the composite scaffold can exhibit significant osteogenic differentiation (p < 0.05) than gelatin-coated titanium alloy scaffolds. The in vivo X-rays demonstrated that the implanted scaffolds were in a good position, without inflammation and infection. Micro-CT and quantitative results of new bone growth illustrated that the amount of new bone in the composite scaffold is significantly higher than that of the gelatin-coated and pure titanium alloy scaffolds (p < 0.05). Similarly, the fluorescence labeling and V-G staining of hard tissue sections indicated that the bone integration capacity of the composite scaffold was significantly higher than the other two groups (p < 0.05). This research suggests that VEGF/BMP-2 shell-core microspheres loaded on 3D-printed titanium alloy porous scaffold through gelatin hydrogel coating achieved the sequential release of VEGF and BMP-2. Most importantly, the in vitro and in vivo study findings have proven that the system could effectively promote osteogenic differentiation and osseointegration.
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Affiliation(s)
- Zheng Liu
- Department of Orthopedics, Hunan Children’s Hospital, Changsha, Hunan, China
| | - Zhenchao Xu
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Laboratory of Advanced Artificial Osteo-Materials, Xiangya Hospital, Central South University, Changsha, Hunan, China
- *Correspondence: Zhenchao Xu, ; Yunqi Wu,
| | - Xiyang Wang
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Laboratory of Advanced Artificial Osteo-Materials, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yilu Zhang
- Hunan Engineering Laboratory of Advanced Artificial Osteo-Materials, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yunqi Wu
- Hunan Engineering Laboratory of Advanced Artificial Osteo-Materials, Xiangya Hospital, Central South University, Changsha, Hunan, China
- *Correspondence: Zhenchao Xu, ; Yunqi Wu,
| | - Dingyu Jiang
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Laboratory of Advanced Artificial Osteo-Materials, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Runze Jia
- Department of Spine Surgery and Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Engineering Laboratory of Advanced Artificial Osteo-Materials, Xiangya Hospital, Central South University, Changsha, Hunan, China
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Zhou Z, Liu Y, Jiang X, Zheng C, Luo W, Xiang X, Qi X, Shen J. Metformin modified chitosan as a multi-functional adjuvant to enhance cisplatin-based tumor chemotherapy efficacy. Int J Biol Macromol 2022; 224:797-809. [DOI: 10.1016/j.ijbiomac.2022.10.167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/08/2022] [Accepted: 10/20/2022] [Indexed: 11/05/2022]
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40
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Duceac IA, Coseri S. Biopolymers and their derivatives: Key components of advanced biomedical technologies. Biotechnol Adv 2022; 61:108056. [DOI: 10.1016/j.biotechadv.2022.108056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/26/2022] [Accepted: 10/23/2022] [Indexed: 11/02/2022]
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41
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Li M, Lv J, Yang Y, Cheng G, Guo S, Liu C, Ding Y. Advances of Hydrogel Therapy in Periodontal Regeneration-A Materials Perspective Review. Gels 2022; 8:gels8100624. [PMID: 36286125 PMCID: PMC9602018 DOI: 10.3390/gels8100624] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/18/2022] [Accepted: 09/27/2022] [Indexed: 11/04/2022] Open
Abstract
Hydrogel, a functional polymer material, has emerged as a promising technology for therapies for periodontal diseases. It has the potential to mimic the extracellular matrix and provide suitable attachment sites and growth environments for periodontal cells, with high biocompatibility, water retention, and slow release. In this paper, we have summarized the main components of hydrogel in periodontal tissue regeneration and have discussed the primary construction strategies of hydrogels as a reference for future work. Hydrogels provide an ideal microenvironment for cells and play a significant role in periodontal tissue engineering. The development of intelligent and multifunctional hydrogels for periodontal tissue regeneration is essential for future research.
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42
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Recent Advances of Chitosan Formulations in Biomedical Applications. Int J Mol Sci 2022; 23:ijms231810975. [PMID: 36142887 PMCID: PMC9504745 DOI: 10.3390/ijms231810975] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/12/2022] [Accepted: 09/13/2022] [Indexed: 02/07/2023] Open
Abstract
Chitosan, a naturally abundant cationic polymer, is chemically composed of cellulose-based biopolymers derived by deacetylating chitin. It offers several attractive characteristics such as renewability, hydrophilicity, biodegradability, biocompatibility, non-toxicity, and a broad spectrum of antimicrobial activity towards gram-positive and gram-negative bacteria as well as fungi, etc., because of which it is receiving immense attention as a biopolymer for a plethora of applications including drug delivery, protective coating materials, food packaging films, wastewater treatment, and so on. Additionally, its structure carries reactive functional groups that enable several reactions and electrochemical interactions at the biomolecular level and improves the chitosan’s physicochemical properties and functionality. This review article highlights the extensive research about the properties, extraction techniques, and recent developments of chitosan-based composites for drug, gene, protein, and vaccine delivery applications. Its versatile applications in tissue engineering and wound healing are also discussed. Finally, the challenges and future perspectives for chitosan in biomedical applications are elucidated.
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43
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Yuan Z, Wan Z, Gao C, Wang Y, Huang J, Cai Q. Controlled magnesium ion delivery system for in situ bone tissue engineering. J Control Release 2022; 350:360-376. [PMID: 36002052 DOI: 10.1016/j.jconrel.2022.08.036] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/17/2022] [Accepted: 08/17/2022] [Indexed: 10/15/2022]
Abstract
Magnesium cation (Mg2+) has been an emerging therapeutic agent for inducing vascularized bone regeneration. However, the therapeutic effects of current magnesium (Mg) -containing biomaterials are controversial due to the concentration- and stage-dependent behavior of Mg2+. Here, we first provide an overview of biochemical mechanism of Mg2+ in various concentrations and suggest that 2-10 mM Mg2+in vitro may be optimized. This review systematically summarizes and discusses several types of controlled Mg2+ delivery systems based on polymer-Mg composite scaffolds and Mg-containing hydrogels, as well as their design philosophy and several parameters that regulate Mg2+ release. Given that the continuous supply of Mg2+ may prevent biomineral deposition in the later stage of bone regeneration and maturation, we highlight the controlled delivery of Mg2+ based dual- or multi-ions system, especially for the hierarchical therapeutic ion release system, which shows enhanced biomineralization. Finally, the remaining challenges and perspectives of Mg-containing biomaterials for future in situ bone tissue engineering are discussed as well.
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Affiliation(s)
- Zuoying Yuan
- Department of Mechanics and Engineering Science, College of Engineering, Peking University, Beijing 100871, China
| | - Zhuo Wan
- Department of Mechanics and Engineering Science, College of Engineering, Peking University, Beijing 100871, China; Beijing Innovation Centre for Engineering Science and Advanced Technology, Peking University, Beijing 100871, China
| | - Chenyuan Gao
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yue Wang
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jianyong Huang
- Department of Mechanics and Engineering Science, College of Engineering, Peking University, Beijing 100871, China; Beijing Innovation Centre for Engineering Science and Advanced Technology, Peking University, Beijing 100871, China.
| | - Qing Cai
- State Key Laboratory of Organic-Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China..
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44
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Fan L, Körte F, Rudt A, Jung O, Burkhardt C, Barbeck M, Xiong X. Encapsulated vaterite-calcite CaCO 3 particles loaded with Mg 2+ and Cu 2+ ions with sustained release promoting osteogenesis and angiogenesis. Front Bioeng Biotechnol 2022; 10:983988. [PMID: 36032705 PMCID: PMC9403055 DOI: 10.3389/fbioe.2022.983988] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 07/18/2022] [Indexed: 11/13/2022] Open
Abstract
Bioactive cations, including calcium, copper and magnesium, have shown the potential to become the alternative to protein growth factor-based therapeutics for bone healing. Ion substitutions are less costly, more stable, and more effective at low concentrations. Although they have been shown to be effective in providing bone grafts with more biological functions, the precise control of ion release kinetics is still a challenge. Moreover, the synergistic effect of three or more metal ions on bone regeneration has rarely been studied. In this study, vaterite-calcite CaCO3 particles were loaded with copper (Cu2+) and magnesium (Mg2+). The polyelectrolyte multilayer (PEM) was deposited on CaCuMg-CO3 particles via layer-by-layer technique to further improve the stability and biocompatibility of the particles and to enable controlled release of multiple metal ions. The PEM coated microcapsules were successfully combined with collagen at the outmost layer, providing a further stimulating microenvironment for bone regeneration. The in vitro release studies showed remarkably stable release of Cu2+ in 2 months without initial burst release. Mg2+ was released in relatively low concentration in the first 7 days. Cell culture studies showed that CaCuMg-PEM-Col microcapsules stimulated cell proliferation, extracellular maturation and mineralization more effectively than blank control and other microcapsules without collagen adsorption (Ca-PEM, CaCu-PEM, CaMg-PEM, CaCuMg-PEM). In addition, the CaCuMg-PEM-Col microcapsules showed positive effects on osteogenesis and angiogenesis in gene expression studies. The results indicate that such a functional and controllable delivery system of multiple bioactive ions might be a safer, simpler and more efficient alternative of protein growth factor-based therapeutics for bone regeneration. It also provides an effective method for functionalizing bone grafts for bone tissue engineering.
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Affiliation(s)
- Lu Fan
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
- Experimental Medicine, Faculty of Medicine, University of Tübingen, Tübingen, Germany
| | - Fabian Körte
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
| | - Alexander Rudt
- Faculty of Applied Chemistry, Reutlingen University, Reutlingen, Germany
| | - Ole Jung
- Medical Center of Rostock University, Rostock, Germany
| | - Claus Burkhardt
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
| | - Mike Barbeck
- Medical Center of Rostock University, Rostock, Germany
| | - Xin Xiong
- NMI Natural and Medical Sciences Institute at the University of Tübingen, Reutlingen, Germany
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45
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Liu Y, Guo L, Li X, Liu S, Du J, Xu J, Hu J, Liu Y. Challenges and tissue engineering strategies of periodontal guided tissue regeneration. Tissue Eng Part C Methods 2022; 28:405-419. [PMID: 35838120 DOI: 10.1089/ten.tec.2022.0106] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Periodontitis is a chronic infectious oral disease with a high prevalence rate in the world, and is a major cause of tooth loss. Nowadays, people have realized that the local microenvironment that includes proteins, cytokines, and extracellular matrix has a key influence on the functions of host immune cells and periodontal ligament stem cells during a chronic infectious disease such as periodontitis. The above pathological process of periodontitis will lead to a defect of periodontal tissues. Through the application of biomaterials, biological agents, and stem cells therapy, guided tissue regeneration (GTR) makes it possible to reconstruct healthy periodontal ligament tissue after local inflammation control. To date, substantial advances have been made in periodontal guided tissue regeneration. However, the process of periodontal remodeling experiences complex microenvironment changes, and currently periodontium regeneration still remains to be a challenging feat. In this review, we summarized the main challenges in each stage of periodontal regeneration, and try to put forward appropriate biomaterial treatment mechanisms or potential tissue engineering strategies that provide a theoretical basis for periodontal tissue engineering regeneration research.
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Affiliation(s)
- Yitong Liu
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, China;
| | - Lijia Guo
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China;
| | - Xiaoyan Li
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, China;
| | - Siyan Liu
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, China;
| | - Juan Du
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, China;
| | - Junji Xu
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, China;
| | - Jingchao Hu
- Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Capital Medical University, Beijing, China;
| | - Yi Liu
- Capital Medical University School of Stomatology, Laboratory of Tissue Regeneration and Immunology and Department of Periodontics, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction,, Tian Tan Xi Li No.4, Beijing, Beijing , China, 100050;
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Olov N, Bagheri-Khoulenjani S, Mirzadeh H. Injectable hydrogels for bone and cartilage tissue engineering: a review. Prog Biomater 2022; 11:113-135. [PMID: 35420394 PMCID: PMC9156638 DOI: 10.1007/s40204-022-00185-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 03/24/2022] [Indexed: 10/18/2022] Open
Abstract
Tissue engineering, using a combination of living cells, bioactive molecules, and three-dimensional porous scaffolds, is a promising alternative to traditional treatments such as the use of autografts and allografts for bone and cartilage tissue regeneration. Scaffolds, in this combination, can be applied either through surgery by implantation of cell-seeded pre-fabricated scaffolds, or through injection of a solidifying precursor and cell mixture, or as an injectable cell-seeded pre-fabricated scaffold. In situ forming and pre-fabricated injectable scaffolds can be injected directly into the defect site with complex shape and critical size in a minimally invasive manner. Proper and homogeneous distribution of cells, biological factors, and molecular signals in these injectable scaffolds is another advantage over pre-fabricated scaffolds. Due to the importance of injectable scaffolds in tissue engineering, here different types of injectable scaffolds, their design challenges, and applications in bone and cartilage tissue regeneration are reviewed.
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Affiliation(s)
- Nafiseh Olov
- Polymer and Colour Engineering Department, Amirkabir University of Technology, 424 Hafez-Ave., 15875-4413, Tehran, Iran
| | - Shadab Bagheri-Khoulenjani
- Polymer and Colour Engineering Department, Amirkabir University of Technology, 424 Hafez-Ave., 15875-4413, Tehran, Iran.
| | - Hamid Mirzadeh
- Polymer and Colour Engineering Department, Amirkabir University of Technology, 424 Hafez-Ave., 15875-4413, Tehran, Iran.
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Rheology and texture analysis of gelatin/dialdehyde starch hydrogel carriers for curcumin controlled release. Carbohydr Polym 2022; 283:119154. [DOI: 10.1016/j.carbpol.2022.119154] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/14/2022] [Accepted: 01/16/2022] [Indexed: 12/28/2022]
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Towards Induction of Angiogenesis in Dental Pulp Stem Cells Using Chitosan-Based Hydrogels Releasing Basic Fibroblast Growth Factor. BIOMED RESEARCH INTERNATIONAL 2022; 2022:5401461. [PMID: 35198635 PMCID: PMC8860569 DOI: 10.1155/2022/5401461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 11/26/2021] [Accepted: 01/19/2022] [Indexed: 11/17/2022]
Abstract
Introduction. Chitosan is a natural biopolymer that attracted enormous attention in biomedical fields. The main components of regenerative endodontic procedures (REPs), as well as tissue engineering, are scaffolds, stem cells, and growth factors. As one of the basic factors in the REPs is maintaining vascularization, this study was aimed at developing basic fibroblast growth factor- (bFGF-) loaded scaffolds and investigating their effects on the angiogenic induction in human dental pulp stem cells (hDPSCs). Methods. Poly (ε-caprolactone) (PCL)/chitosan- (CS-) based highly porous scaffold (PCL/CS) was prepared and evaluated by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) analyses. The adhesion and survival potency of seeded cells were assessed by SEM and MTT assays, respectively. The amount of angiogenic markers was investigated in gene and protein levels by real-time PCR and western blotting assays, respectively. Results. Based on our findings, the SEM and FTIR tests confirmed the appropriate structure of synthesized scaffolds. Besides, the adhesion and survival rate of cells and the levels of VEGFR-2, Tie2, and Angiopoietin-1 genes were increased significantly in the PCL/CS/bFGF group. Also, the western blotting results showed the upregulation of these markers at protein levels, which were considerably higher at the PCL/CS/bFGF group (
). Conclusions. On a more general note, this study demonstrates that the bFGF-loaded PCL/CS scaffolds have the potential to promote angiogenesis of hDPSCs, which could provide vitality of dentin-pulp complex as the initial required factor for regenerative endodontic procedures.
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Hua L, Qian H, Lei T, Liu W, He X, Zhang Y, Lei P, Hu Y. Anti-tuberculosis drug delivery for tuberculous bone defects. Expert Opin Drug Deliv 2021; 18:1815-1827. [PMID: 34758697 DOI: 10.1080/17425247.2021.2005576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Traditional therapy methods for treating tuberculous bone defects have several limitations. Furthermore, systemic toxicity and disease recurrence in tuberculosis (TB) have not been effectively addressed. AREAS COVERED This review is based on references from September 1998 to September 2021 and summarizes the classification and drug-loading methods of anti-TB drugs. The application of different types of biological scaffolds loaded with anti-TB drugs as a novel drug delivery strategy for tuberculous bone defects has been deeply analyzed. Furthermore, the limitations of the existing studies are summarized. EXPERT OPINION Loading anti-TB drugs into the scaffold through various drug-loading techniques can effectively improve the efficiency of anti-TB treatment and provide an effective means of treating tuberculous bone defects. This methodology also has good application prospects and provides directions for future research.
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Affiliation(s)
- Long Hua
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China.,Department of Orthopedics, The First Affiliated Hospital,Medical College of Zhejiang University, Hangzhou, P. R. China.,Department of orthopedics,The Sixth Affiliated Hospital, Xinjiang Medical University, Urumqi, P. R. China
| | - Hu Qian
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China
| | - Ting Lei
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China
| | - Wenbin Liu
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China
| | - Xi He
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China
| | - Yu Zhang
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China
| | - Pengfei Lei
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China.,Department of Orthopedics, The First Affiliated Hospital,Medical College of Zhejiang University, Hangzhou, P. R. China
| | - Yihe Hu
- Department of Orthopedics, Xiangya Hospital Central South University, Hunan Engineering Research Center of Biomedical Metal and Ceramic Implants, Changsha, Hunan, P. R. China.,Department of Orthopedics, The First Affiliated Hospital,Medical College of Zhejiang University, Hangzhou, P. R. China
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