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Ma Q, Wang X, Feng B, Liang C, Wan X, El-Newehy M, Abdulhameed MM, Mo X, Wu J. Fiber configuration determines foreign body response of electrospun scaffolds: in vitroand in vivoassessments. Biomed Mater 2024; 19:025007. [PMID: 38194703 DOI: 10.1088/1748-605x/ad1c99] [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: 08/18/2023] [Accepted: 01/09/2024] [Indexed: 01/11/2024]
Abstract
Biomaterial scaffolds boost tissue repair and regeneration by providing physical support, delivering biological signals and/or cells, and recruiting endogenous cells to facilitate tissue-material integration and remodeling. Foreign body response (FBR), an innate immune response that occurs immediately after biomaterial implantation, is a critical factor in determining the biological outcomes of biomaterial scaffolds. Electrospinning is of great simplicity and cost-effectiveness to produce nanofiber scaffolds with well-defined physicochemical properties and has been used in a variety of regenerative medicine applications in preclinical trials and clinical practice. A deep understanding of causal factors between material properties and FBR of host tissues is beneficial to the optimal design of electrospun scaffolds with favorable immunomodulatory properties. We herein prepared and characterized three electrospun scaffolds with distinct fiber configurations and investigated their effects on FBR in terms of immune cell-material interactions and host responses. Our results show that electrospun yarn scaffold results in greater cellular immune reactions and elevated FBR inin vivoassessments. Although the yarn scaffold showed aligned fiber bundles, it failed to induce cell elongation of macrophages due to its rough surface and porous grooves between yarns. In contrast, the aligned scaffold showed reduced FBR compared to the yarn scaffold, indicating a smooth surface is also a contributor to the immunomodulatory effects of the aligned scaffold. Our study suggests that balanced porousness and smooth surface of aligned fibers or yarns should be the key design parameters of electrospun scaffolds to modulate host responsein vivo.
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Affiliation(s)
- Qiaolin Ma
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, Department of Biomedical Engineering, Donghua University, Shanghai 201620, People's Republic of China
| | - Xiaoyi Wang
- Core Facility Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, People's Republic of China
| | - Bei Feng
- Heart Center and Shanghai Institute of Pediatric Congenital Heart Disease, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, People's Republic of China
| | - Chao Liang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, People's Republic of China
| | - Xinjian Wan
- Digestive Endoscopic Center, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, People's Republic of China
| | - Mohamed El-Newehy
- Department of Chemistry, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
| | - Meera Moydeen Abdulhameed
- Department of Chemistry, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
| | - Xiumei Mo
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, Department of Biomedical Engineering, Donghua University, Shanghai 201620, People's Republic of China
| | - Jinglei Wu
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, Department of Biomedical Engineering, Donghua University, Shanghai 201620, People's Republic of China
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Zhu F, Wang S, Zhu X, Pang C, Cui P, Yang F, Li R, Zhan Q, Xin H. Potential effects of biomaterials on macrophage function and their signalling pathways. Biomater Sci 2023; 11:6977-7002. [PMID: 37695360 DOI: 10.1039/d3bm01213a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
The use of biomaterials in biomedicine and healthcare has increased in recent years. Macrophages are the primary immune cells that induce inflammation and tissue repair after implantation of biomaterials. Given that macrophages exhibit high heterogeneity and plasticity, the influence of biomaterials on macrophage phenotype should be considered a crucial evaluation criterion during the development of novel biomaterials. This review provides a comprehensive summary of the physicochemical, biological, and dynamic characteristics of biomaterials that drive the regulation of immune responses in macrophages. The mechanisms involved in the interaction between macrophages and biomaterials, including endocytosis, receptors, signalling pathways, integrins, inflammasomes and long non-coding RNAs, are summarised in this review. In addition, research prospects of the interaction between macrophages and biomaterials are discussed. An in-depth understanding of mechanisms underlying the spatiotemporal changes in macrophage phenotype induced by biomaterials and their impact on macrophage polarization can facilitate the identification and development of novel biomaterials with superior performance. These biomaterials may be used for tissue repair and regeneration, vaccine or drug delivery and immunotherapy.
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Affiliation(s)
- Fujun Zhu
- Department of Burns and Plastic Surgery, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China.
| | - Shaolian Wang
- Central Sterile Supply Department, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Xianglian Zhu
- Outpatient Department, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Caixiang Pang
- Department of Emergency Medicine, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Pei Cui
- Animal Laboratory, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Fuwang Yang
- Department of Burns and Plastic Surgery, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China.
| | - Rongsheng Li
- Animal Laboratory, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Qiu Zhan
- Animal Laboratory, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Haiming Xin
- Department of Burns and Plastic Surgery, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China.
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Liu X, Zhang H, Yan B, Yeung KWK, Liao Y, Ouyang L, Liu X. On-Off Phagocytosis and Switchable Macrophage Activation Stimulated with NIR for Infected Percutaneous Tissue Repair of Polypyrrole-Coated Sulfonated PEEK. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205048. [PMID: 36515274 PMCID: PMC9929275 DOI: 10.1002/advs.202205048] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/10/2022] [Indexed: 06/17/2023]
Abstract
Intelligent control of the immune response is essential for obtaining percutaneous implants with good sterilization and tissue repair abilities. In this study, polypyrrole (Ppy) nanoparticles enveloping a 3D frame of sulfonated polyether ether ketone (SP) surface are constructed, which enhance the surface modulus and hardness of the sulfonated layer by forming a cooperative structure of simulated reinforced concrete and exhibit a superior photothermal effect. Ppy-coated SP could quickly accumulate heat on the surface by responding to 808 nm near-infrared (NIR) light, thereby killing bacteria, and destroying biofilms. Under NIR stimulation, the phagocytosis and M1 activation of macrophages cultured on Ppy-coated SP are enhanced by activating complement 3 and its receptor, CD11b. Phagocytosis and M1 activation are impaired along with abolishment of NIR stimulation in the Ppy-coated SP group, which is favorable for tissue repair. Ppy-coated SP promotes Collagen-I, vascular endothelial growth factor, connective tissue growth factor, and α-actin (Acta2) expression by inducing M2 polarization owing to its higher surface modulus. Overall, Ppy-coated SP with enhanced mechanical properties could be a good candidate for clinical percutaneous implants through on-off phagocytosis and switchable macrophage activation stimulated with NIR.
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Affiliation(s)
- Xingdan Liu
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of CeramicsChinese Academy of SciencesShanghai200050China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of SciencesBeijing100049China
| | - Haifeng Zhang
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of CeramicsChinese Academy of SciencesShanghai200050China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of SciencesBeijing100049China
- School of Chemistry and Materials ScienceHangzhou Institute for Advanced StudyUniversity of Chinese Academy of Sciences1 Sub‐lane XiangshanHangzhou310024China
| | - Bangcheng Yan
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of CeramicsChinese Academy of SciencesShanghai200050China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of SciencesBeijing100049China
| | - Kelvin W. K. Yeung
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic TraumaGuangdong Engineering Technology Research Center for Orthopaedic Trauma RepairDepartment of Orthopaedics and TraumatologyThe University of Hong Kong Shenzhen HospitalShenzhen518053China
| | - Yun Liao
- Department of PharmacyTongren HospitalShanghai Jiao Tong University School of MedicineShanghai200336China
| | - Liping Ouyang
- Department of PharmacyTongren HospitalShanghai Jiao Tong University School of MedicineShanghai200336China
- Hongqiao International Institute of MedicineShanghai Jiao Tong University School of MedicineShanghai200336China
| | - Xuanyong Liu
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of CeramicsChinese Academy of SciencesShanghai200050China
- Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of SciencesBeijing100049China
- School of Chemistry and Materials ScienceHangzhou Institute for Advanced StudyUniversity of Chinese Academy of Sciences1 Sub‐lane XiangshanHangzhou310024China
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Puhl DL, Mohanraj D, Nelson DW, Gilbert RJ. Designing electrospun fiber platforms for efficient delivery of genetic material and genome editing tools. Adv Drug Deliv Rev 2022; 183:114161. [PMID: 35183657 PMCID: PMC9724629 DOI: 10.1016/j.addr.2022.114161] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/29/2022] [Accepted: 02/11/2022] [Indexed: 02/06/2023]
Abstract
Electrospun fibers are versatile biomaterial platforms with great potential to support regeneration. Electrospun fiber characteristics such as fiber diameter, degree of alignment, rate of degradation, and surface chemistry enable the creation of unique, tunable scaffolds for various drug or gene delivery applications. The delivery of genetic material and genome editing tools via viral and non-viral vectors are approaches to control cellular protein production. However, immunogenicity, off-target effects, and low delivery efficiencies slow the progression of gene delivery strategies to clinical settings. The delivery of genetic material from electrospun fibers overcomes such limitations by allowing for localized, tunable delivery of genetic material. However, the process of electrospinning is harsh, and care must be taken to retain genetic material bioactivity. This review presents an up-to-date summary of strategies to incorporate genetic material onto or within electrospun fiber platforms to improve delivery efficiency and enhance the regenerative potential of electrospun fibers for various tissue engineering applications.
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Affiliation(s)
- Devan L Puhl
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY 12180, USA; Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 1623 15th Street, Troy, NY 12180, USA.
| | - Divya Mohanraj
- Department of Biological Sciences, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY 12180, USA; Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 1623 15th Street, Troy, NY 12180, USA.
| | - Derek W Nelson
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY 12180, USA; Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 1623 15th Street, Troy, NY 12180, USA.
| | - Ryan J Gilbert
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY 12180, USA; Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, 1623 15th Street, Troy, NY 12180, USA.
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5
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Li X, Xue S, Zhan Q, Sun X, Chen N, Li S, Zhao J, Hou X, Yuan X. Sequential Delivery of Different MicroRNA Nanocarriers Facilitates the M1-to-M2 Transition of Macrophages. ACS OMEGA 2022; 7:8174-8183. [PMID: 35284756 PMCID: PMC8908531 DOI: 10.1021/acsomega.2c00297] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Accepted: 02/14/2022] [Indexed: 06/01/2023]
Abstract
The early-stage repair of bone injuries dominated by the inflammatory phase is significant for successful bone healing, and the phenotypic transition of macrophages in the inflammatory phase plays indispensable roles during the bone healing process. The goal of this paper is to design a microRNA delivery nanocarrier for strictly temporal guidance of the polarization of macrophages by the sequential delivery of different microRNAs. The results showed that microRNA nanocarriers, synthesized through free radical polymerization, could be internalized by macrophages with about a cellular uptake efficiency of 80%, and the sequential delivery of microRNA-155 nanocarriers and microRNA-21 nanocarriers proved, for the first time, that it could promote an efficient and timely switch from the M1 to the M2 phenotype along the time point of bone tissue repair. The strategy proposed in this paper holds potential for controlling sequential M1-to-M2 polarization of macrophages, which provides another perspective for the treatment of bone tissue regeneration.
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Affiliation(s)
- Xueping Li
- Tianjin
Key Laboratory of Composite and Functional Materials, School of Materials
Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Suling Xue
- Tianjin
Key Laboratory of Composite and Functional Materials, School of Materials
Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Qi Zhan
- Tianjin
Key Laboratory of Composite and Functional Materials, School of Materials
Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Xiaolei Sun
- Tianjin
Key Laboratory of Composite and Functional Materials, School of Materials
Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Ning Chen
- Tianjin
Key Laboratory of Composite and Functional Materials, School of Materials
Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Sidi Li
- College
of Chemistry and Chemical Engineering, Yantai
University, Yantai 264005, Shandong Province, China
| | - Jin Zhao
- Tianjin
Key Laboratory of Composite and Functional Materials, School of Materials
Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Xin Hou
- Tianjin
Key Laboratory of Composite and Functional Materials, School of Materials
Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Xubo Yuan
- Tianjin
Key Laboratory of Composite and Functional Materials, School of Materials
Science and Engineering, Tianjin University, Tianjin 300072, China
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6
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Liu S, Wen F, Muthukumaran P, Rakshit M, Lau CS, Yu N, Suryani L, Dong Y, Teoh SH. Self-Assembled Nanofibrous Marine Collagen Matrix Accelerates Healing of Full-Thickness Wounds. ACS APPLIED BIO MATERIALS 2021; 4:7044-7058. [PMID: 35006937 DOI: 10.1021/acsabm.1c00685] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
There is an urgent clinical need for wound dressings to treat skin injuries, particularly full-thickness wounds caused by acute and chronic wounds. Marine collagen has emerged as an attractive and safer alternative due to its biocompatibility, diversity, and sustainability. It has minimum risk of zoonotic diseases and less religious constraints as compared to mammalian collagen. In this study, we reported the development of a self-assembled nanofibrous barramundi (Lates calcarifer) collagen matrix (Nano-BCM), which showed good biocompatibility for full-thickness wound-healing applications. The collagen was extracted and purified from barramundi scales and skin. Thereafter, the physicochemical properties of collagen were systematically evaluated. The process to extract barramundi skin collagen (BC) gave an excellent 45% yield and superior purity (∼100%). More importantly, BC demonstrated structural integrity, native triple helix structure, and good thermal stability. BC demonstrated its efficacy in promoting human primary dermal fibroblast (HDF) and immortalized human keratinocytes (HaCaT) proliferation and migration. Nano-BCM has been prepared via self-assembly of collagen molecules in physiological conditions, which resembled the native extracellular matrix (ECM). The clinical therapeutic efficacy of the Nano-BCM was further evaluated in a full-thickness splinted skin wound mice model. In comparison to a clinically used wound dressing (DuoDerm), the Nano-BCM demonstrated significantly accelerated wound closure and re-epithelization. Moreover, Nano-BCM nanofibrous architecture and its ability to facilitate early inflammatory response significantly promoted angiogenesis and differentiated myofibroblast, leading to enhanced wound healing. Consequently, Nano-BCM demonstrates great potential as an economical and effective nonmammalian substitute to achieve skin regeneration.
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Affiliation(s)
- Shaoqiong Liu
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637457, Singapore
| | - Feng Wen
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637457, Singapore.,Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325011, Zhejiang, People's Republic of China
| | - Padmalosini Muthukumaran
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637457, Singapore
| | - Moumita Rakshit
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637457, Singapore
| | - Chau-Sang Lau
- Oral Health Academic Clinical Programme, Duke-NUS Medical School, Singapore 169857, Singapore.,Academic Clinical Programme Office (Research), National Dental Centre Singapore, Singapore 168938, Singapore
| | - Na Yu
- Oral Health Academic Clinical Programme, Duke-NUS Medical School, Singapore 169857, Singapore.,Academic Clinical Programme Office (Research), National Dental Centre Singapore, Singapore 168938, Singapore
| | - Luvita Suryani
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637457, Singapore
| | - Yibing Dong
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637457, Singapore
| | - Swee Hin Teoh
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637457, Singapore.,Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 636921, Singapore
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7
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Rinoldi C, Zargarian SS, Nakielski P, Li X, Liguori A, Petronella F, Presutti D, Wang Q, Costantini M, De Sio L, Gualandi C, Ding B, Pierini F. Nanotechnology-Assisted RNA Delivery: From Nucleic Acid Therapeutics to COVID-19 Vaccines. SMALL METHODS 2021; 5:e2100402. [PMID: 34514087 PMCID: PMC8420172 DOI: 10.1002/smtd.202100402] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 07/04/2021] [Indexed: 05/07/2023]
Abstract
In recent years, the main quest of science has been the pioneering of the groundbreaking biomedical strategies needed for achieving a personalized medicine. Ribonucleic acids (RNAs) are outstanding bioactive macromolecules identified as pivotal actors in regulating a wide range of biochemical pathways. The ability to intimately control the cell fate and tissue activities makes RNA-based drugs the most fascinating family of bioactive agents. However, achieving a widespread application of RNA therapeutics in humans is still a challenging feat, due to both the instability of naked RNA and the presence of biological barriers aimed at hindering the entrance of RNA into cells. Recently, material scientists' enormous efforts have led to the development of various classes of nanostructured carriers customized to overcome these limitations. This work systematically reviews the current advances in developing the next generation of drugs based on nanotechnology-assisted RNA delivery. The features of the most used RNA molecules are presented, together with the development strategies and properties of nanostructured vehicles. Also provided is an in-depth overview of various therapeutic applications of the presented systems, including coronavirus disease vaccines and the newest trends in the field. Lastly, emerging challenges and future perspectives for nanotechnology-mediated RNA therapies are discussed.
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Affiliation(s)
- Chiara Rinoldi
- Department of Biosystems and Soft MatterInstitute of Fundamental Technological ResearchPolish Academy of Sciencesul. Pawińskiego 5BWarsaw02‐106Poland
| | - Seyed Shahrooz Zargarian
- Department of Biosystems and Soft MatterInstitute of Fundamental Technological ResearchPolish Academy of Sciencesul. Pawińskiego 5BWarsaw02‐106Poland
| | - Pawel Nakielski
- Department of Biosystems and Soft MatterInstitute of Fundamental Technological ResearchPolish Academy of Sciencesul. Pawińskiego 5BWarsaw02‐106Poland
| | - Xiaoran Li
- Innovation Center for Textile Science and TechnologyDonghua UniversityWest Yan'an Road 1882Shanghai200051China
| | - Anna Liguori
- Department of Chemistry “Giacomo Ciamician” and INSTM UdR of BolognaUniversity of BolognaVia Selmi 2Bologna40126Italy
| | - Francesca Petronella
- Institute of Crystallography CNR‐ICNational Research Council of ItalyVia Salaria Km 29.300Monterotondo – Rome00015Italy
| | - Dario Presutti
- Institute of Physical ChemistryPolish Academy of Sciencesul. M. Kasprzaka 44/52Warsaw01‐224Poland
| | - Qiusheng Wang
- Innovation Center for Textile Science and TechnologyDonghua UniversityWest Yan'an Road 1882Shanghai200051China
| | - Marco Costantini
- Institute of Physical ChemistryPolish Academy of Sciencesul. M. Kasprzaka 44/52Warsaw01‐224Poland
| | - Luciano De Sio
- Department of Medico‐Surgical Sciences and BiotechnologiesResearch Center for BiophotonicsSapienza University of RomeCorso della Repubblica 79Latina04100Italy
- CNR‐Lab. LicrylInstitute NANOTECArcavacata di Rende87036Italy
| | - Chiara Gualandi
- Department of Chemistry “Giacomo Ciamician” and INSTM UdR of BolognaUniversity of BolognaVia Selmi 2Bologna40126Italy
- Interdepartmental Center for Industrial Research on Advanced Applications in Mechanical Engineering and Materials TechnologyCIRI‐MAMUniversity of BolognaViale Risorgimento 2Bologna40136Italy
| | - Bin Ding
- Innovation Center for Textile Science and TechnologyDonghua UniversityWest Yan'an Road 1882Shanghai200051China
| | - Filippo Pierini
- Department of Biosystems and Soft MatterInstitute of Fundamental Technological ResearchPolish Academy of Sciencesul. Pawińskiego 5BWarsaw02‐106Poland
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Chen F, He Y, Li Z, Xu B, Ye Q, Li X, Ma Z, Song W, Zhang Y. A novel tunable, highly biocompatible and injectable DNA-chitosan hybrid hydrogel fabricated by electrostatic interaction between chitosan and DNA backbone. Int J Pharm 2021; 606:120938. [PMID: 34310955 DOI: 10.1016/j.ijpharm.2021.120938] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/18/2021] [Accepted: 07/21/2021] [Indexed: 12/25/2022]
Abstract
The injectable hydrogel is an ideal reservoir for drug delivery. In this study, a new injectable DNA hydrogel was fabricated. Firstly, the DNA pre-gel was obtained by heat-cool treatments to induce cross-linkage through base-paring. Then, the pre-gel was cross-linked with chitosan (CS) through electrostatic interaction, which was confirmed by ATR-FTIR and XPS analysis. The DNA-CS hybrid gel showed finely tunable various properties such as porosity and viscosity. To simulate the biomedical application, the dexamethasone (Dex) was loaded into the gel and coated onto titanium implant surface to induce macrophages M2 polarization. Due to the excellent biocompatibility and Dex delivery, the decorated implant surface was favorable for RAW264.7 cells growth and showed powerful effects of inducing M2 polarization both in vitro and in vivo. In conclusion, it is the first report of DNA hydrogel synthesis via CS cross-linkage and the injectable DNA-CS hybrid gel was superb for therapeutic delivery.
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Affiliation(s)
- Fanghao Chen
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Yide He
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Zhe Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Boya Xu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Qingyuan Ye
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Xinyan Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China
| | - Zhiwei Ma
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Engineering Research Center for Dental Materials and Advanced Manufacture, Department of Periodontology, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China.
| | - Wen Song
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China.
| | - Yumei Zhang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an 710032, China.
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9
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Macías I, Alcorta-Sevillano N, Infante A, Rodríguez CI. Cutting Edge Endogenous Promoting and Exogenous Driven Strategies for Bone Regeneration. Int J Mol Sci 2021; 22:7724. [PMID: 34299344 PMCID: PMC8306037 DOI: 10.3390/ijms22147724] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 07/14/2021] [Accepted: 07/15/2021] [Indexed: 12/11/2022] Open
Abstract
Bone damage leading to bone loss can arise from a wide range of causes, including those intrinsic to individuals such as infections or diseases with metabolic (diabetes), genetic (osteogenesis imperfecta), and/or age-related (osteoporosis) etiology, or extrinsic ones coming from external insults such as trauma or surgery. Although bone tissue has an intrinsic capacity of self-repair, large bone defects often require anabolic treatments targeting bone formation process and/or bone grafts, aiming to restore bone loss. The current bone surrogates used for clinical purposes are autologous, allogeneic, or xenogeneic bone grafts, which although effective imply a number of limitations: the need to remove bone from another location in the case of autologous transplants and the possibility of an immune rejection when using allogeneic or xenogeneic grafts. To overcome these limitations, cutting edge therapies for skeletal regeneration of bone defects are currently under extensive research with promising results; such as those boosting endogenous bone regeneration, by the stimulation of host cells, or the ones driven exogenously with scaffolds, biomolecules, and mesenchymal stem cells as key players of bone healing process.
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Affiliation(s)
- Iratxe Macías
- Stem Cells and Cell Therapy Laboratory, BioCruces Bizkaia Health Research Institute, Cruces University Hospital, Plaza de Cruces S/N, 48903 Barakaldo, Spain; (I.M.); (N.A.-S.)
| | - Natividad Alcorta-Sevillano
- Stem Cells and Cell Therapy Laboratory, BioCruces Bizkaia Health Research Institute, Cruces University Hospital, Plaza de Cruces S/N, 48903 Barakaldo, Spain; (I.M.); (N.A.-S.)
- University of Basque Country UPV/EHU, 48940 Leioa, Spain
| | - Arantza Infante
- Stem Cells and Cell Therapy Laboratory, BioCruces Bizkaia Health Research Institute, Cruces University Hospital, Plaza de Cruces S/N, 48903 Barakaldo, Spain; (I.M.); (N.A.-S.)
| | - Clara I. Rodríguez
- Stem Cells and Cell Therapy Laboratory, BioCruces Bizkaia Health Research Institute, Cruces University Hospital, Plaza de Cruces S/N, 48903 Barakaldo, Spain; (I.M.); (N.A.-S.)
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Wang Y, Fan Y, Liu H. Macrophage Polarization in Response to Biomaterials for Vascularization. Ann Biomed Eng 2021; 49:1992-2005. [PMID: 34282494 DOI: 10.1007/s10439-021-02832-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 07/08/2021] [Indexed: 12/14/2022]
Abstract
Vascularization of tissue engineering constructs is an urgent need for delivering oxygen and nutrients and promoting tissue remodeling. As we all know, almost all implanted biomaterials elicit immune responses. Interestingly, the immunomodulatory biomaterials can utilize the inherent regenerative capability of endogenous cells and stem cells recruited by the activated immune cells to facilitate anagenesis and tissue remodeling. Macrophages, as almost ones of the first responses upon the implantation of biomaterials, play a vital role in guiding vascular formation and tissue remodeling. The polarization of macrophages can be influenced by the physical and chemical properties of biomaterials and thus they display diverse function states. Here, this review focus on the macrophage polarization in response to biomaterials and the interactions between them. It also summarizes the current strategies to promote vascularization of tissue engineering constructs through macrophage responses.
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Affiliation(s)
- Yuqing Wang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100191, People's Republic of China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100191, People's Republic of China
| | - Haifeng Liu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Centre for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100191, People's Republic of China.
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11
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The Role of Epigenetic Functionalization of Implants and Biomaterials in Osseointegration and Bone Regeneration-A Review. Molecules 2020; 25:molecules25245879. [PMID: 33322654 PMCID: PMC7763898 DOI: 10.3390/molecules25245879] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 12/03/2020] [Accepted: 12/09/2020] [Indexed: 02/07/2023] Open
Abstract
The contribution of epigenetic mechanisms as a potential treatment model has been observed in cancer and autoimmune/inflammatory diseases. This review aims to put forward the epigenetic mechanisms as a promising strategy in implant surface functionalization and modification of biomaterials, to promote better osseointegration and bone regeneration, and could be applicable for alveolar bone regeneration and osseointegration in the future. Materials and Methods: Electronic and manual searches of the literature in PubMed, MEDLINE, and EMBASE were conducted, using a specific search strategy limited to publications in the last 5 years to identify preclinical studies in order to address the following focused questions: (i) Which, if any, are the epigenetic mechanisms used to functionalize implant surfaces to achieve better osseointegration? (ii) Which, if any, are the epigenetic mechanisms used to functionalize biomaterials to achieve better tissue regeneration? Findings from several studies have emphasized the role of miRNAs in functionalizing implants surfaces and biomaterials to promote osseointegration and bone regeneration, respectively. However, there are scarce data on the role of DNA methylation and histone modifications for these specific applications, despite being commonly applied in cancer research. Studies over the past few years have demonstrated that biomaterials are immunomodulatory rather than inert materials. In this context, epigenetics can act as next generation of advanced treatment tools for future regenerative techniques. Yet, there is a need to evaluate the efficacy/cost effectiveness of these techniques in comparison to current standards of care.
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Zhang N, Lin J, Chin JS, Zhang K, Chew SY. A laser microdissection-based axotomy model incorporating the use of biomimicking fiber scaffolds reveals that microRNAs promote axon regeneration over long injury distances. Biomater Sci 2020; 8:6286-6300. [PMID: 33020773 DOI: 10.1039/d0bm01380c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The regeneration of injured neurons over long injury distances remains suboptimal. In order to successfully stimulate nerve regrowth, potent biomolecules are necessary. Furthermore, reproducible and translatable methods to test the potency of candidate drugs for enhancing nerve regeneration over long axotomy distances are also needed. To address these issues, we report a novel laser microdissection-based axotomy model that involves the use of biomimicking aligned fiber substrates to precisely control neuronal axotomy distances. Correspondingly, we demonstrate that in the absence of therapeutics, dorsal root ganglion (DRG) explants (consisting of neurons) axotomized within short distances from the main cell somas regenerated significantly longer than axons that were injured more distally (p < 0.05). However, when treated with a cocktail of microRNAs (miR-132/miR-222/miR-431), robust neurite outgrowth was observed (p < 0.05). Specifically, microRNA treatment promoted neurite outgrowth by ∼2.2-fold as compared to untreated cells and this enhancement was more significant under the less conducive regeneration condition of a long axotomy distance (i.e. 1000 μm from the cell soma). Besides that, we demonstrated that the treatment of miR-132/miR-222/miR-431 led to a longer length of nerve regeneration as well as a bigger nerve extension area after sciatic nerve transection injury. These results indicate that distance effects on axonal regrowth may be overcome by the effects of microRNAs and that these microRNAs may serve as promising therapeutics for nerve injury treatment.
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Affiliation(s)
- Na Zhang
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 637459
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Hu X, Mei S, Wang F, Qian J, Xie D, Zhao J, Yang L, Wu Z, Wei J. Implantable PEKK/tantalum microparticles composite with improved surface performances for regulating cell behaviors, promoting bone formation and osseointegration. Bioact Mater 2020; 6:928-940. [PMID: 33102936 PMCID: PMC7560583 DOI: 10.1016/j.bioactmat.2020.09.021] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/23/2020] [Accepted: 09/23/2020] [Indexed: 12/30/2022] Open
Abstract
Polyetherketoneketone (PEKK) exhibits admirable biocompatibility and mechanical performances but bioinert while tantalum (Ta) possesses excellent osteogenesis and osseointegration but high elastic modulus and density, and processing is too difficult and expensive. In the present study, combining of the advantages of both PEKK and Ta, implantable composites of PEKK/Ta were fabricated by blending PEKK with Ta microparticles of 20 v% (PT20) and 40 v% (PT40) content. In comparison with PT20 and PEKK, the surface hydrophilicity, surface energy, roughness and proteins adsorption as well as mechanical performances of PT40 significantly increased because of the higher Ta particles content in PEKK. Furthermore, PT40 exhibited the mechanical performances (e.g., compressive strength and modulus of elasticity) close to the cortical bone of human. Compared with PT20 and PEKK, PT40 with higher Ta content remarkably enhanced the responses (including adhesion, proliferation and osteogenic differentiation) of MC3T3-E1 cells in vitro. Moreover, PT40 markedly improved bone formation as well as osseointegration in vivo. In short, incorporation of Ta microparticles into PEKK created implantable composites with improved surface performances, which played key roles in stimulating cell responses/bone formation as well as promoting osseointegration. PT40 might have great potential for bear-loading bone substitute.
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Affiliation(s)
- Xinglong Hu
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Shiqi Mei
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Fan Wang
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Jun Qian
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Dong Xie
- Spine Center, Department of Orthopaedics, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
| | - Jun Zhao
- Shanghai Key Laboratory of Stomatology, Shanghai Research Institute of Stomatology, Department of Orthodontics, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, 200011, China
| | - Lili Yang
- Spine Center, Department of Orthopaedics, Shanghai Changzheng Hospital, Second Military Medical University, Shanghai, 200003, China
| | - Zhaoying Wu
- School of Biomedical Engineering, Sun Yat-sen University, Guangzhou, Guangdong, 510006, China
| | - Jie Wei
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
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