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Mahmood A, Maher N, Amin F, Alqutaibi AY, Kumar N, Zafar MS. Chitosan-based materials for dental implantology: A comprehensive review. Int J Biol Macromol 2024; 268:131823. [PMID: 38677667 DOI: 10.1016/j.ijbiomac.2024.131823] [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: 01/11/2024] [Revised: 04/16/2024] [Accepted: 04/22/2024] [Indexed: 04/29/2024]
Abstract
Chitosan, a versatile biopolymer, has gained recognition in the discipline of dental implantology due to possessing salient properties. This comprehensive review explores the potential of chitosan in dental implants, focusing on its biocompatibility, bioactivity, and the various chitosan-based materials that have been utilized for dental implant therapy. The review also highlights the importance of surface treatment in dental implants to enhance osseointegration and inhibit bacterial biofilm formation. Additionally, the chemical structure, properties, and sources of chitosan are described, along with its different structural forms. The characteristics of chitosan particularly color, molecular weight, viscosity, and degree of deacetylation are discussed about their influence on its applications. This review provides valuable insights into the promising utilization of polymeric chitosan in enhancing the success and functionality of dental implants. This study highlights the potential applications of chitosan in oral implantology. Chitosan possesses various advantageous properties, including muco-adhesiveness, hemostatic action, biocompatibility, biodegradability, bioactivity, and antibacterial and antifungal activities, which enhance its uses in dental implantology. However, it has limited aqueous solubility at the physiological pH, which sometimes restricts its biological application, but this problem can be overcome by using modified chitosan or chitosan derivatives, which have also shown encouraging results. Recent research suggests that chitosan may act as a promising material for coating titanium-based implants, improving osteointegration together with antibacterial properties.
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Affiliation(s)
- Anum Mahmood
- Department of Science of Dental Materials, Dr. Ishrat Ul Ebad Khan Institute of Oral Health Sciences, Dow University of Health Sciences, Karachi 74200, Pakistan
| | - Nazrah Maher
- Department of Science of Dental Materials, Dr. Ishrat Ul Ebad Khan Institute of Oral Health Sciences, Dow University of Health Sciences, Karachi 74200, Pakistan
| | - Faiza Amin
- Department of Science of Dental Materials, Dow Dental College, Dow University of Health Sciences, Karachi 74200, Pakistan
| | - Ahmed Yaseen Alqutaibi
- Department of Substitutive Dental Sciences, College of Dentistry, Taibah University, Al Madinah, Saudi Arabia; Department of Prosthodontics, College of Dentistry, Ibb University, Ibb, Yemen
| | - Naresh Kumar
- Department of Science of Dental Materials, Dr. Ishrat Ul Ebad Khan Institute of Oral Health Sciences, Dow University of Health Sciences, Karachi 74200, Pakistan
| | - Muhammad Sohail Zafar
- Department of Restorative Dentistry, College of Dentistry, Taibah University, Al Madinah, Al Munawwarah, Saudi Arabia; Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, Ajman 346, United Arab Emirates; School of Dentistry, University of Jordan, Amman, Jordan; Department of Dental Materials, Islamic International College, Riphah International University, Islamabad, Pakistan.
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Zhang S, Kong N, Wang Z, Zhang Y, Ni C, Li L, Wang H, Yang M, Yang W, Yan F. Nanochemistry of gold: from surface engineering to dental healthcare applications. Chem Soc Rev 2024; 53:3656-3686. [PMID: 38502089 DOI: 10.1039/d3cs00894k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Advancements in nanochemistry have led to the development of engineered gold nanostructures (GNSs) with remarkable potential for a variety of dental healthcare applications. These innovative nanomaterials offer unique properties and functionalities that can significantly improve dental diagnostics, treatment, and overall oral healthcare applications. This review provides an overview of the latest advancements in the design, synthesis, and application of GNSs for dental healthcare applications. Engineered GNSs have emerged as versatile tools, demonstrating immense potential across different aspects of dentistry, including enhanced imaging and diagnosis, prevention, bioactive coatings, and targeted treatment of oral diseases. Key highlights encompass the precise control over GNSs' size, crystal structure, shape, and surface functionalization, enabling their integration into sensing, imaging diagnostics, drug delivery systems, and regenerative therapies. GNSs, with their exceptional biocompatibility and antimicrobial properties, have demonstrated efficacy in combating dental caries, periodontitis, peri-implantitis, and oral mucosal diseases. Additionally, they show great promise in the development of advanced sensing techniques for early diagnosis, such as nanobiosensor technology, while their role in targeted drug delivery, photothermal therapy, and immunomodulatory approaches has opened new avenues for oral cancer therapy. Challenges including long-term toxicity, biosafety, immune recognition, and personalized treatment are under rigorous investigation. As research at the intersection of nanotechnology and dentistry continues to thrive, this review highlights the transformative potential of engineered GNSs in revolutionizing dental healthcare, offering accurate, personalized, and minimally invasive solutions to address the oral health challenges of the modern era.
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Affiliation(s)
- Shuang Zhang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Na Kong
- School of Life and Environmental Science, Centre for Sustainable Bioproducts, Deakin University, Geelong, VIC, Australia.
- Hainan Provincial Key Laboratory of Natural Rubber Processing, Agricultural Products Processing Research Institute, Chinese Academy of Tropical Agricultural Sciences, Zhanjiang, China
| | - Zezheng Wang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Yangheng Zhang
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Can Ni
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Lingjun Li
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
| | - Hongbin Wang
- School of Chemistry and Environment, Yunnan Minzu University, Kunming, China
| | - Min Yang
- School of Chemistry and Environment, Yunnan Minzu University, Kunming, China
| | - Wenrong Yang
- School of Life and Environmental Science, Centre for Sustainable Bioproducts, Deakin University, Geelong, VIC, Australia.
| | - Fuhua Yan
- Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Institute of Stomatology, Nanjing University, Nanjing, China.
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Weng J, Yang S, Shen J, Liu H, Xu Y, Hao D, Wang S. Molecular dynamics simulation reveals DNA-specific recognition mechanism via c-Myb in pseudo-palindromic consensus of mim-1 promoter. J Zhejiang Univ Sci B 2023; 24:883-895. [PMID: 37752090 PMCID: PMC10522569 DOI: 10.1631/jzus.b2200634] [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: 12/07/2022] [Accepted: 02/07/2023] [Indexed: 09/28/2023]
Abstract
This study aims to gain insight into the DNA-specific recognition mechanism of c-Myb transcription factor during the regulation of cell early differentiation and proliferation. Therefore, we chose the chicken myeloid gene, mitochondrial import protein 1 (mim-1), as a target to study the binding specificity between potential dual-Myb-binding sites. The c-Myb-binding site in mim-1 is a pseudo-palindromic sequence AACGGTT, which contains two AACNG consensuses. Simulation studies in different biological scenarios revealed that c-Myb binding with mim-1 in the forward strand (complex F) ismore stable than that inthereverse strand (complex R). The principal component analysis (PCA) dynamics trajectory analyses suggested an opening motion of the recognition helices of R2 and R3 (R2R3), resulting in the dissociation of DNA from c-Myb in complex R at 330 K, triggered by the reduced electrostatic potential on the surface of R2R3. Furthermore, the DNA confirmation and hydrogen-bond interaction analyses indicated that the major groove width of DNA increased in complex R, which affected on the hydrogen-bond formation ability between R2R3 and DNA, and directly resulted in the dissociation of DNA from R2R3. The steered molecular dynamics (SMD) simulation studies also suggested that the electrostatic potential, major groove width, and hydrogen bonds made major contribution to the DNA-specific recognition. In vitro trials confirmed the simulation results that c-Myb specifically bound to mim-1 in the forward strand. This study indicates that the three-dimensional (3D) structure features play an important role in the DNA-specific recognition mechanism by c-Myb besides the AACNG consensuses, which is beneficial to understanding the cell early differentiation and proliferation regulated by c-Myb, as well as the prediction of novel c-Myb-binding motifs in tumorigenesis.
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Affiliation(s)
- Jinru Weng
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China
| | - Shuo Yang
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, Jilin University, Changchun 130021, China
| | - Jinkang Shen
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China
| | - Hongsen Liu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China
| | - Yuzi Xu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China
| | - Dongyun Hao
- Institute of Agricultural Biotechnology, Jilin Academy of Agricultural Sciences (JAAS), Changchun 130033, China.
| | - Shan Wang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou 310000, China.
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Varadinkova S, Oralova V, Clarke M, Frampton J, Knopfova L, Lesot H, Bartos P, Matalova E. Expression dynamics of metalloproteinases during mandibular bone formation: association with Myb transcription factor. Front Cell Dev Biol 2023; 11:1168866. [PMID: 37701782 PMCID: PMC10493412 DOI: 10.3389/fcell.2023.1168866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 08/18/2023] [Indexed: 09/14/2023] Open
Abstract
As the dentition forms and becomes functional, the alveolar bone is remodelled. Metalloproteinases are known to contribute to this process, but new regulators are emerging and their contextualization is challenging. This applies to Myb, a transcription factor recently reported to be involved in bone development and regeneration. The regulatory effect of Myb on Mmps expression has mostly been investigated in tumorigenesis, where Myb impacted the expression of Mmp1, Mmp2, Mmp7, and Mmp9. The aim of this investigation was to evaluate the regulatory influence of the Myb on Mmps gene expression, impacting osteogenesis and mandibular bone formation. For that purpose, knock-out mouse model was used. Gene expression of bone-related Mmps and the key osteoblastic transcription factors Runx2 and Sp7 was analysed in Myb knock-out mice mandibles at the survival limit. Out of the metalloproteinases under study, Mmp13 was significantly downregulated. The impact of Myb on the expression of Mmp13 was confirmed by the overexpression of Myb in calvarial-derived cells causing upregulation of Mmp13. Expression of Mmp13 in the context of other Mmps during mandibular/alveolar bone development was followed in vivo along with Myb, Sp7 and Runx2. The most significant changes were observed in the expression of Mmp9 and Mmp13. These MMPs and MYB were further localized in situ by immunohistochemistry and were identified in pre/osteoblastic cells as well as in pre/osteocytes. In conclusion, these results provide a comprehensive insight into the expression dynamics of bone related Mmps during mandibular/alveolar bone formation and point to Myb as another potential regulator of Mmp13.
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Affiliation(s)
- S. Varadinkova
- Laboratory of Odontogenesis and Osteogenesis, Institute of Animal Physiology and Genetics, v.v.i, Academy of Sciences, Brno, Czechia
- Department of Physiology, University of Veterinary Sciences, Brno, Czechia
| | - V. Oralova
- Laboratory of Odontogenesis and Osteogenesis, Institute of Animal Physiology and Genetics, v.v.i, Academy of Sciences, Brno, Czechia
- Department of Physiology, University of Veterinary Sciences, Brno, Czechia
| | - M. Clarke
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, United Kingdom
| | - J. Frampton
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, United Kingdom
| | - L. Knopfova
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czechia
- International Clinical Research Center, St. Anne’s University Hospital, Brno, Czechia
| | - H. Lesot
- Laboratory of Odontogenesis and Osteogenesis, Institute of Animal Physiology and Genetics, v.v.i, Academy of Sciences, Brno, Czechia
| | - P. Bartos
- Laboratory of Odontogenesis and Osteogenesis, Institute of Animal Physiology and Genetics, v.v.i, Academy of Sciences, Brno, Czechia
| | - E. Matalova
- Laboratory of Odontogenesis and Osteogenesis, Institute of Animal Physiology and Genetics, v.v.i, Academy of Sciences, Brno, Czechia
- Department of Physiology, University of Veterinary Sciences, Brno, Czechia
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Wang Z, Zhang J, Hu J, Yang G. Gene-activated titanium implants for gene delivery to enhance osseointegration. BIOMATERIALS ADVANCES 2022; 143:213176. [PMID: 36327825 DOI: 10.1016/j.bioadv.2022.213176] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/22/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
Osseointegration is the direct and intimate contact between mineralized tissue and titanium implant at the bone-implant interface. Early establishment and stable maintenance of osseointegration is the key to long-term implant success. However, in patients with compromised conditions such as osteoporosis and patients beginning early load-bearing activities such as walking, lower osseointegration around titanium implants is often observed, which might result in implant early failure. Gene-activated implants show an exciting prospect of combining gene delivery and biomedical implants to solve the problems of poor osseointegration formation, overcoming the shortcomings of protein therapy, including rapid degradation and overdose adverse effects. The conception of gene-activated titanium implants is based on "gene-activated matrix" (GAM), which means scaffolds using non-viral vectors for in situ gene delivery to achieve a long-term and efficient transfection of target cells. Current preclinical studies in animal models have shown that plasmid DNA (pDNA), microRNA (miRNA), and small interference RNA (siRNA) functionalized titanium implants can enhance osseointegration with safety and efficiency, leading to the expectation of applying this technique in dental and orthopedic clinical scenarios. This review aims to comprehensively summarize fabrication strategies, current applications, and futural outlooks of gene-activated implants, emphasizing nucleic acid targets, non-viral vectors, implant surface modification techniques, nucleic acid/vector complexes loading strategies.
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Affiliation(s)
- Zhikang Wang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310000, China
| | - Jing Zhang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310000, China
| | - Jinxing Hu
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310000, China
| | - Guoli Yang
- Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Hangzhou 310000, China.
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Takanche JS, Kim JE, Jang S, Yi HK. Insulin growth factor binding protein-3 enhances dental implant osseointegration against methylglyoxal-induced bone deterioration in a rat model. J Periodontal Implant Sci 2022; 52:155-169. [PMID: 35505576 PMCID: PMC9064780 DOI: 10.5051/jpis.2101200060] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 07/08/2021] [Accepted: 07/09/2021] [Indexed: 11/08/2022] Open
Abstract
PURPOSE The aim of this study was to determine the effect of insulin growth factor binding protein-3 (IGFBP-3) on the inhibition of glucose oxidative stress and promotion of bone formation near the implant site in a rat model of methylglyoxal (MGO)-induced bone loss. METHODS An in vitro study was performed in MC3T3 E1 cells treated with chitosan gold nanoparticles (Ch-GNPs) conjugated with IGFBP-3 cDNA followed by MGO. An in vivo study was conducted in a rat model induced by MGO administration after the insertion of a dental implant coated with IGFBP-3. RESULTS MGO treatment downregulated molecules involved in osteogenic differentiation and bone formation in MC3T3 E1 cells and influenced the bone mineral density and bone volume of the femur and alveolar bone. In contrast, IGFBP-3 inhibited oxidative stress and inflammation and enhanced osteogenesis in MGO-treated MC3T3 E1 cells. In addition, IGFBP-3 promoted bone formation by reducing inflammatory proteins in MGO-administered rats. The application of Ch-GNPs conjugated with IGFBP-3 as a coating of titanium implants enhanced osteogenesis and the osseointegration of dental implants. CONCLUSIONS This study demonstrated that IGFBP-3 could be applied as a therapeutic component in dental implants to promote the osseointegration of dental implants in patients with diabetes, which affects MGO levels.
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Affiliation(s)
- Jyoti Shrestha Takanche
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, Jeonju, Korea.,Department of Biochemistry, School of Medical Sciences, Kathmandu University, Nepal
| | - Ji-Eun Kim
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, Jeonju, Korea
| | - Sungil Jang
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, Jeonju, Korea
| | - Ho-Keun Yi
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, Jeonju, Korea.
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Faga MG, Duraccio D, Di Maro M, Kowandy C, Malucelli G, Mussano FD, Genova T, Coqueret X. Electron-Beam-Induced Grafting of Chitosan onto HDPE/ATZ Composites for Biomedical Applications. Polymers (Basel) 2021; 13:4016. [PMID: 34833321 PMCID: PMC8623127 DOI: 10.3390/polym13224016] [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: 10/27/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 11/26/2022] Open
Abstract
The surface functionalisation of high-density polyethylene (HDPE) and HDPE/alumina-toughened zirconia (ATZ) surfaces with chitosan via electron-beam (EB) irradiation technique was exploited for preparing materials suitable for biomedical purposes. ATR-FTIR analysis and wettability measurements were employed for monitoring the surface changes after both irradiation and chitosan grafting reaction. Interestingly, the presence of ATZ loadings beyond 2 wt% influenced both the EB irradiation process and the chitosan functionalisation reaction, decreasing the oxidation of the surface and the chitosan grafting. The EB irradiation induced an increase in Young's modulus and a decrease in the elongation at the break of all analysed systems, whereas the tensile strength was not affected in a relevant way. Biological assays indicated that electrostatic interactions between the negative charges of the surface of cell membranes and the -NH3+ sites on chitosan chains promoted cell adhesion, while some oxidised species produced during the irradiation process are thought to cause a detrimental effect on the cell viability.
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Affiliation(s)
- Maria Giulia Faga
- Istituto di Scienze e Tecnologie per l’Energia e la Mobilità Sostenibili (STEMS)-UOS di Torino, Consiglio Nazionale delle Ricerche, Strada delle Cacce 73, 10135 Torino, Italy;
| | - Donatella Duraccio
- Istituto di Scienze e Tecnologie per l’Energia e la Mobilità Sostenibili (STEMS)-UOS di Torino, Consiglio Nazionale delle Ricerche, Strada delle Cacce 73, 10135 Torino, Italy;
| | - Mattia Di Maro
- Istituto di Scienze e Tecnologie per l’Energia e la Mobilità Sostenibili (STEMS)-UOS di Torino, Consiglio Nazionale delle Ricerche, Strada delle Cacce 73, 10135 Torino, Italy;
| | - Christelle Kowandy
- Institut de Chimie Moléculaire de Reims (ICMR), UMR CNRS 7312, Université de Reims Champagne-Ardenne, Moulin de la Housse, BP 1039, CEDEX 2, 51687 Reims, France; (C.K.); (X.C.)
| | - Giulio Malucelli
- Politecnico di Torino-Dipartimento di Scienza Applicata e Tecnologia, and Local INSTM Unit, Viale Teresa Michel 5, 15121 Alessandria, Italy;
| | - Federico Davide Mussano
- Dipartimento di Scienze Chirurgiche CIR Dental School, Università di Torino, via Nizza 230, 10126 Torino, Italy;
| | - Tullio Genova
- Dipartimento Scienze della Vita e Biologia dei Sistemi, Università di Torino, via Accademia Albertina 13, 10123 Torino, Italy;
| | - Xavier Coqueret
- Institut de Chimie Moléculaire de Reims (ICMR), UMR CNRS 7312, Université de Reims Champagne-Ardenne, Moulin de la Housse, BP 1039, CEDEX 2, 51687 Reims, France; (C.K.); (X.C.)
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The biological applications of DNA nanomaterials: current challenges and future directions. Signal Transduct Target Ther 2021; 6:351. [PMID: 34620843 PMCID: PMC8497566 DOI: 10.1038/s41392-021-00727-9] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 06/24/2021] [Accepted: 07/30/2021] [Indexed: 02/08/2023] Open
Abstract
DNA, a genetic material, has been employed in different scientific directions for various biological applications as driven by DNA nanotechnology in the past decades, including tissue regeneration, disease prevention, inflammation inhibition, bioimaging, biosensing, diagnosis, antitumor drug delivery, and therapeutics. With the rapid progress in DNA nanotechnology, multitudinous DNA nanomaterials have been designed with different shape and size based on the classic Watson-Crick base-pairing for molecular self-assembly. Some DNA materials could functionally change cell biological behaviors, such as cell migration, cell proliferation, cell differentiation, autophagy, and anti-inflammatory effects. Some single-stranded DNAs (ssDNAs) or RNAs with secondary structures via self-pairing, named aptamer, possess the ability of targeting, which are selected by systematic evolution of ligands by exponential enrichment (SELEX) and applied for tumor targeted diagnosis and treatment. Some DNA nanomaterials with three-dimensional (3D) nanostructures and stable structures are investigated as drug carrier systems to delivery multiple antitumor medicine or gene therapeutic agents. While the functional DNA nanostructures have promoted the development of the DNA nanotechnology with innovative designs and preparation strategies, and also proved with great potential in the biological and medical use, there is still a long way to go for the eventual application of DNA materials in real life. Here in this review, we conducted a comprehensive survey of the structural development history of various DNA nanomaterials, introduced the principles of different DNA nanomaterials, summarized their biological applications in different fields, and discussed the current challenges and further directions that could help to achieve their applications in the future.
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Takanche JS, Kim JE, Kim JS, Yi HK. Guided bone regeneration with a gelatin layer and adenoviral delivery of c-myb enhances bone healing in rat tibia. Regen Med 2020; 15:1877-1890. [PMID: 32893751 DOI: 10.2217/rme-2019-0054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: Bone healing becomes problematic during certain states, such as trauma. This study verifies whether the application of c-myb with gelatin promotes bone healing during bone injuries. Materials & methods: A biodegradable membrane was modified with adenoviral vector c-myb (Ad/c-myb) and gelatin and applied in the bone injury site of rat tibia. Results: c-myb enhanced osteogenic differentiation and mineralization in bone marrow stromal cells after induction with osteogenic media. In vivo examination of rat tibia after application of the biodegradable membrane with Ad/c-myb and a gelatin layer demonstrated increased bone volume, bone mineral density, new bone formation and osteogenic molecules, compared with Ad/LacZ. Conclusion: c-myb has the potential to assist bone healing and may be applicable to the treatment of bone during injury.
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Affiliation(s)
- Jyoti Shrestha Takanche
- Departments of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, Jeonju, Korea
| | - Ji-Eun Kim
- Departments of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, Jeonju, Korea
| | - Jeong-Seok Kim
- Departments of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, Jeonju, Korea
| | - Ho-Keun Yi
- Departments of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, Jeonju, Korea
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Kim JE, Takanche JS, Jang S, Yi HK. Mussel adhesive protein blended with gelatin loaded into nanotube titanium dental implants enhances osseointegration. Drug Deliv Transl Res 2020; 11:956-965. [PMID: 32557198 DOI: 10.1007/s13346-020-00807-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The purpose of this study was to investigate whether mussel adhesive protein (MAP) blended with gelatin loaded into nanotube titanium (Ti) dental implants enhances osseointegration and supports bone formation. Cell viability, crystal violet staining, Western blot analysis, alizarin red S staining, alkaline phosphatase (ALP) activity, micro-computed tomography (μ-CT), hematoxylin and eosin (H&E), and immunohistochemistry (IHC) staining were employed to test the biocompatibility of MAP blended with gelatin (MAP/Gel). MC3T3 E1 cells were used for in vitro and Sprague-Dawley rats for in vivo models in this study. MC3T3 E1 cells cultured in MAP/Gel loaded into nanotube Ti surface demonstrated activation of FAK-PI3K-MAPKs-Wnt/β-catenin signaling pathway and enhanced osteogenic differentiation. μ-CT, H&E, and IHC staining confirmed that MAP/Gel dental implants promoted bone regeneration around the nanotube Ti implants by upregulation of Runx-2, BMP-2/7, Osterix, and OPG in rat mandible model. MAP/Gel supports osseointegration of dental implant after implantation. It is hypothesized that MAP/Gel loaded into nanotube Ti dental implants may be applicable as a potential treatment for bone formation and proper integration of dental implants with alveolar bone. Graphical abstract.
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Affiliation(s)
- Ji-Eun Kim
- Departments of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju, Jeonbuk, 54896, South Korea
| | - Jyoti Shrestha Takanche
- Departments of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju, Jeonbuk, 54896, South Korea
| | - Sungil Jang
- Departments of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju, Jeonbuk, 54896, South Korea
| | - Ho-Keun Yi
- Departments of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Jeonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju, Jeonbuk, 54896, South Korea.
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Shkodra-Pula B, Vollrath A, Schubert US, Schubert S. Polymer-based nanoparticles for biomedical applications. FRONTIERS OF NANOSCIENCE 2020. [DOI: 10.1016/b978-0-08-102828-5.00009-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Application of Chitosan in Bone and Dental Engineering. Molecules 2019; 24:molecules24163009. [PMID: 31431001 PMCID: PMC6720623 DOI: 10.3390/molecules24163009] [Citation(s) in RCA: 127] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 08/08/2019] [Accepted: 08/19/2019] [Indexed: 12/30/2022] Open
Abstract
Chitosan is a deacetylated polysaccharide from chitin, the natural biopolymer primarily found in shells of marine crustaceans and fungi cell walls. Upon deacetylation, the protonation of free amino groups of the d-glucosamine residues of chitosan turns it into a polycation, which can easily interact with DNA, proteins, lipids, or negatively charged synthetic polymers. This positive-charged characteristic of chitosan not only increases its solubility, biodegradability, and biocompatibility, but also directly contributes to the muco-adhesion, hemostasis, and antimicrobial properties of chitosan. Combined with its low-cost and economic nature, chitosan has been extensively studied and widely used in biopharmaceutical and biomedical applications for several decades. In this review, we summarize the current chitosan-based applications for bone and dental engineering. Combining chitosan-based scaffolds with other nature or synthetic polymers and biomaterials induces their mechanical properties and bioactivities, as well as promoting osteogenesis. Incorporating the bioactive molecules into these biocomposite scaffolds accelerates new bone regeneration and enhances neovascularization in vivo.
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Sex-determining region Y (SRY) attributes to gender differences in RANKL expression and incidence of osteoporosis. Exp Mol Med 2019; 51:1-16. [PMID: 31409771 PMCID: PMC6802671 DOI: 10.1038/s12276-019-0294-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 04/10/2019] [Accepted: 04/12/2019] [Indexed: 12/12/2022] Open
Abstract
Receptor activator of nuclear factor κB ligand (RANKL) plays a crucial role in bone metabolism. RANKL gene misregulation has been implicated in several bone and cancer diseases. Here, we aimed to identify novel transcription regulators of RANKL expression. We discovered that transcription factors, sex-determining region Y (SRY) and c-Myb, regulate RANKL expression. We demonstrated that c-Myb increases and male-specific SRY decreases RANKL expression through direct binding to its 5’-proximal promoter. These results are corroborated by the gene expression in human bone samples. In osteoporotic men, expression of RANKL is 17-fold higher, which correlates with the drastically reduced expression (200-fold) of Sry, suggesting that in osteoporotic men, the upregulation of RANKL is caused by a decrease of Sry. In healthy men, the expression of RANKL is 20% higher than that in healthy women. Our data suggest that gender differences in RANKL expression and bone quality could be due to the sex-specific transcription factor SRY. A male-specific gene offers clues to diagnosis and treatment of age-related osteoporosis. Osteoporosis was known to be linked to higher expression levels of RANKL, a gene that induces bone resorption, but the details were poorly understood. Nika Lovsin at the University of Ljubljana in Slovenia and co-workers searched for the genetic switches that control RANKL levels. They found that SRY, a gene on the male-specific Y chromosome, was a strong repressor of RANKL. In bone samples from osteoporotic men, expression levels of SRY levels were low and those of RANKL were high, suggesting that in men, when SRY fails to keep the bone-resorbing RANKL in check, osteoporosis results. SRY shows promise as an osteoporosis marker in men, or for development of treatment for both genders. Future research could address what triggers decreased SRY expression in men.
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Takanche JS, Kim JE, Kim JS, Lee MH, Jeon JG, Park IS, Yi HK. Chitosan-gold nanoparticles mediated gene delivery of c-myb facilitates osseointegration of dental implants in ovariectomized rat. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:S807-S817. [PMID: 30307328 DOI: 10.1080/21691401.2018.1513940] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Osseointegration of dental implants is affected by osteoporosis. The purpose of this study was overcome the implant failure and facilitate the osseointegration of dental implants by c-myb in ovariectomized (OVX)-induced osteoporosis. c-myb is a transcription factor and supports bone formation. Plasmid DNA/c-myb conjugated with chitosan-gold nanoparticles (Ch-GNPs/c-myb) promoted osteogenesis and inhibited osteoclastogenesis in MC-3T3 E1 cells. Ch-GNPs/c-myb involved the reduction of the nuclear factor of activated T-cells 1, c-Fos, and tartrate-resistant acid phosphatase-positive multinucleated osteoclasts in receptor activator of nuclear factor-κB ligand (RANKL) stimulated bone marrow macrophages. In vivo results of rat mandibles demonstrated Ch-GNP/c-myb-coated titanium (Ti) implants increased the volume and density of newly formed bone and the osseointegration of dental implant with bone by micro computed tomography examination after OVX-induced osteoporosis. Immunohistochemical analysis showed increased c-myb expression and upregulation of bone morphogenic proteins, osteoprotegerin and EphB4, as well as the downregulation of RANKL by Ch-GNP/c-myb-coated Ti implants. Hematoxylin and Eosin staining expressed new bone formation by Ch-GNP/c-myb-coated Ti implants. Our findings indicated that c-myb delivered by Ch-GNPs supports osseointegration of dental implant even in osteoporotic condition. c-myb may be applicable to support dental implant integration and treatment in age-dependent bone destruction disease.
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Affiliation(s)
| | - Ji-Eun Kim
- a Department of Oral Biochemistry , Chonbuk National University , Jeonju , Korea
| | - Jeong-Seok Kim
- a Department of Oral Biochemistry , Chonbuk National University , Jeonju , Korea
| | - Min-Ho Lee
- b Department of Dental Materials , Chonbuk National University , Jeonju , Korea
| | - Jae-Gyu Jeon
- c Department of Preventive Dentistry, Institute of Oral Bioscience, School of Dentistry , Chonbuk National University , Jeonju , Korea
| | - Il-Song Park
- d Division of Advanced Materials Engineering , Chonbuk National University , Jeonju , Korea
| | - Ho-Keun Yi
- a Department of Oral Biochemistry , Chonbuk National University , Jeonju , Korea
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Nanoparticle mediated PPARγ gene delivery on dental implants improves osseointegration via mitochondrial biogenesis in diabetes mellitus rat model. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2017; 13:1821-1832. [DOI: 10.1016/j.nano.2017.02.020] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 02/15/2017] [Accepted: 02/25/2017] [Indexed: 01/28/2023]
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Oralova V, Matalova E, Killinger M, Knopfova L, Smarda J, Buchtova M. Osteogenic Potential of the Transcription Factor c-MYB. Calcif Tissue Int 2017; 100:311-322. [PMID: 28012106 DOI: 10.1007/s00223-016-0219-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Accepted: 12/10/2016] [Indexed: 12/30/2022]
Abstract
The transcription factor c-MYB is a well-known marker of undifferentiated cells such as haematopoietic cell precursors, but recently it has also been observed in differentiated cells that produce hard tissues. Our previous findings showed the presence of c-MYB in intramembranous bones and its involvement in the chondrogenic steps of endochondral ossification, where the up-regulation of early chondrogenic markers after c-myb overexpression was observed. Since we previously detected c-MYB in osteoblasts, we aimed to analyse the localisation of c-MYB during later stages of endochondral bone formation and address its function during bone matrix production. c-MYB-positive cells were found in the chondro-osseous junction zone in osteoblasts of trabecular bone as well as deeper in the zone of ossification in cells of spongy bone. To experimentally evaluate the osteogenic potential of c-MYB during endochondral bone formation, micromasses derived from embryonic mouse limb buds were established. Nuclear c-MYB protein expression was observed in long-term micromasses, especially in the areas around nodules. c-myb overexpression induced the expression of osteogenic-related genes such as Bmp2, Comp, Csf2 and Itgb1. Moreover, alizarin red staining and osteocalcin labelling promoted mineralised matrix production in c-myb-overexpressing cultures, whereas downregulation of c-myb by siRNA reduced mineralised matrix production. In conclusion, c-Myb plays a role in the osteogenesis of long bones by inducing osteogenic genes and causing the enhancement of mineral matrix production. This action of the transcription factor c-Myb might be of interest in the future for the establishment of novel approaches to tissue regeneration.
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Affiliation(s)
- V Oralova
- Institute of Animal Physiology and Genetics, v.v.i., Czech Academy of Sciences, Veveri 97, 602 00, Brno, Czech Republic.
- Evolutionary Developmental Biology, Ghent University, Ghent, Belgium.
| | - E Matalova
- Institute of Animal Physiology and Genetics, v.v.i., Czech Academy of Sciences, Veveri 97, 602 00, Brno, Czech Republic
- Department of Physiology, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
| | - M Killinger
- Institute of Animal Physiology and Genetics, v.v.i., Czech Academy of Sciences, Veveri 97, 602 00, Brno, Czech Republic
- Department of Experimental Biology, Masaryk University, Brno, Czech Republic
| | - L Knopfova
- Department of Experimental Biology, Masaryk University, Brno, Czech Republic
- International Clinical Research Center, St. Anne's University Hospital, Brno, Czech Republic
| | - J Smarda
- Department of Experimental Biology, Masaryk University, Brno, Czech Republic
| | - M Buchtova
- Institute of Animal Physiology and Genetics, v.v.i., Czech Academy of Sciences, Veveri 97, 602 00, Brno, Czech Republic
- Department of Experimental Biology, Masaryk University, Brno, Czech Republic
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18
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Iadiz MAR, Bamedi M, Fakour SR. Periodontal Diseases and Recently Applied Nano-Technology: A Review Article. Health (London) 2017. [DOI: 10.4236/health.2017.92024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Wang Q, Huang JY, Li HQ, Chen Z, Zhao AZJ, Wang Y, Zhang KQ, Sun HT, Al-Deyab SS, Lai YK. TiO 2 nanotube platforms for smart drug delivery: a review. Int J Nanomedicine 2016; 11:4819-4834. [PMID: 27703349 PMCID: PMC5036548 DOI: 10.2147/ijn.s108847] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Titania nanotube (TNT) arrays are recognized as promising materials for localized drug delivery implants because of their excellent properties and facile preparation process. This review highlights the concept of localized drug delivery systems based on TNTs, considering their outstanding biocompatibility in a series of ex vivo and in vivo studies. Considering the safety of TNT implants in the host body, studies of the biocompatibility present significant importance for the clinical application of TNT implants. Toward smart TNT platforms for sustainable drug delivery, several advanced approaches were presented in this review, including controlled release triggered by temperature, light, radiofrequency magnetism, and ultrasonic stimulation. Moreover, TNT implants used in medical therapy have been demonstrated by various examples including dentistry, orthopedic implants, cardiovascular stents, and so on. Finally, a future perspective of TNTs for clinical applications is provided.
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Affiliation(s)
- Qun Wang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, People’s Republic of China
| | - Jian-Ying Huang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou
| | - Hua-Qiong Li
- Wenzhou Institute of Biomaterials and Engineering, Chinese Academy of Sciences, Wenzhou, People’s Republic of China
| | - Zhong Chen
- School of Materials Science and Engineering, Nanyang Technological University, Singapore, Singapore
| | - Allan Zi-Jian Zhao
- Wenzhou Institute of Biomaterials and Engineering, Chinese Academy of Sciences, Wenzhou, People’s Republic of China
| | - Yi Wang
- Wenzhou Institute of Biomaterials and Engineering, Chinese Academy of Sciences, Wenzhou, People’s Republic of China
| | - Ke-Qin Zhang
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou
| | - Hong-Tao Sun
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, People’s Republic of China
| | - Salem S Al-Deyab
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Yue-Kun Lai
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou
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Virlan MJR, Miricescu D, Radulescu R, Sabliov CM, Totan A, Calenic B, Greabu M. Organic Nanomaterials and Their Applications in the Treatment of Oral Diseases. Molecules 2016; 21:E207. [PMID: 26867191 PMCID: PMC6273611 DOI: 10.3390/molecules21020207] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 01/20/2016] [Accepted: 01/28/2016] [Indexed: 12/18/2022] Open
Abstract
There is a growing interest in the development of organic nanomaterials for biomedical applications. An increasing number of studies focus on the uses of nanomaterials with organic structure for regeneration of bone, cartilage, skin or dental tissues. Solid evidence has been found for several advantages of using natural or synthetic organic nanostructures in a wide variety of dental fields, from implantology, endodontics, and periodontics, to regenerative dentistry and wound healing. Most of the research is concentrated on nanoforms of chitosan, silk fibroin, synthetic polymers or their combinations, but new nanocomposites are constantly being developed. The present work reviews in detail current research on organic nanoparticles and their potential applications in the dental field.
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Affiliation(s)
- Maria Justina Roxana Virlan
- Department of Biochemistry, Faculty of Dentistry, University of Medicine and Pharmacy Carol Davila, Blvd. EroiiSanitari, No. 8, RO-050474 Bucharest, Romania.
| | - Daniela Miricescu
- Department of Biochemistry, Faculty of Dentistry, University of Medicine and Pharmacy Carol Davila, Blvd. EroiiSanitari, No. 8, RO-050474 Bucharest, Romania.
| | - Radu Radulescu
- Department of Biochemistry, Faculty of Dentistry, University of Medicine and Pharmacy Carol Davila, Blvd. EroiiSanitari, No. 8, RO-050474 Bucharest, Romania.
| | - Cristina M Sabliov
- Agricultural and Biological Engineering Department, Louisiana State University and LSU Ag Center, 149 EB Doran Building, Baton Rouge, LA 70803, USA.
| | - Alexandra Totan
- Department of Biochemistry, Faculty of Dentistry, University of Medicine and Pharmacy Carol Davila, Blvd. EroiiSanitari, No. 8, RO-050474 Bucharest, Romania.
| | - Bogdan Calenic
- Department of Biochemistry, Faculty of Dentistry, University of Medicine and Pharmacy Carol Davila, Blvd. EroiiSanitari, No. 8, RO-050474 Bucharest, Romania.
| | - Maria Greabu
- Department of Biochemistry, Faculty of Dentistry, University of Medicine and Pharmacy Carol Davila, Blvd. EroiiSanitari, No. 8, RO-050474 Bucharest, Romania.
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Lee YH, Kim HS, Kim JS, Yu MK, Cho SD, Jeon JG, Yi HK. C-myb Regulates Autophagy for Pulp Vitality in Glucose Oxidative Stress. J Dent Res 2015; 95:430-8. [PMID: 26661713 DOI: 10.1177/0022034515622139] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Diabetes mellitus is closely related to oral-complicated diseases by oxidative stress. This study investigates whether cellular myeloblastosis (c-myb) could protect human dental pulp cells against glucose oxidative stress and regulate autophagy activity for pulp vitality. Diabetes mellitus was induced by streptozotocin in Sprague-Dawley rats, and their pulp tissue in teeth was analyzed in terms of pulp cavity and molecules by hematoxylin and eosin and immunohistochemistry staining. Human dental pulp cells were serially subcultured and treated with glucose oxidase in the presence of elevated glucose to generate glucose oxidative stress. The replication-deficient adenovirus c-myb and small interfering RNA c-myb were introduced for c-myb expression. The pulp tissue from the diabetic rats was structurally different from normal tissue in terms of narrow pulp capacity, reduced c-myb, and dentinogenesis molecules. Glucose oxidase treatment decreased c-myb and dentinogenesis molecules (bone morphogenetic protein 2 and 7, dentin matrix protein 1, and dentin sialophosphoprotein) in human dental pulp cells. However, overexpression of c-myb by adenovirus c-myb increased dentinogenesis, autophagy molecules (autophagy protein 5, microtubule-associated protein 1A/1B-light chain 3, and Beclin-1), and cell survival via p-AMPK/AKT signaling even with glucose oxidative stress. In contrast, the lack of c-myb decreased the above molecules and cell survival by downregulating p-AMPK/AKT signaling. The results indicate that diabetes leads to irreversible damage to dental pulp, which is related to downexpression of autophagy via the p-AMPK/AKT pathway by decline of c-myb. The findings of this study provide a new insight that c-myb could ameliorate autophagy activity and that it is applicable for monitoring complicated diseases of dental pulp. The involvement of c-myb in pulp pathology could serve a therapeutic target in oral-complicated diseases.
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Affiliation(s)
- Y H Lee
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, Korea
| | - H S Kim
- Department of Conservative Dentistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, Korea
| | - J S Kim
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, Korea
| | - M K Yu
- Department of Conservative Dentistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, Korea
| | - S D Cho
- Department of Oral Pathology, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, Korea
| | - J G Jeon
- Department of Preventive Dentistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, Korea
| | - H K Yi
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, Korea
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Ordinary and Activated Bone Grafts: Applied Classification and the Main Features. BIOMED RESEARCH INTERNATIONAL 2015; 2015:365050. [PMID: 26649300 PMCID: PMC4662978 DOI: 10.1155/2015/365050] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2015] [Accepted: 10/15/2015] [Indexed: 12/19/2022]
Abstract
Bone grafts are medical devices that are in high demand in clinical practice for substitution of bone defects and recovery of atrophic bone regions. Based on the analysis of the modern groups of bone grafts, the particularities of their composition, the mechanisms of their biological effects, and their therapeutic indications, applicable classification was proposed that separates the bone substitutes into “ordinary” and “activated.” The main differential criterion is the presence of biologically active components in the material that are standardized by qualitative and quantitative parameters: growth factors, cells, or gene constructions encoding growth factors. The pronounced osteoinductive and (or) osteogenic properties of activated osteoplastic materials allow drawing upon their efficacy in the substitution of large bone defects.
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23
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Oralová V, Matalová E, Janečková E, Drobná Krejčí E, Knopfová L, Šnajdr P, Tucker AS, Veselá I, Šmarda J, Buchtová M. Role of c-Myb in chondrogenesis. Bone 2015; 76:97-106. [PMID: 25845979 DOI: 10.1016/j.bone.2015.02.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 02/20/2015] [Accepted: 02/21/2015] [Indexed: 12/22/2022]
Abstract
The Myb locus encodes the c-Myb transcription factor involved in controlling a broad variety of cellular processes. Recently, it has been shown that c-Myb may play a specific role in hard tissue formation; however, all of these results were gathered from an analysis of intramembranous ossification. To investigate a possible role of c-Myb in endochondral ossification, we carried out our study on the long bones of mouse limbs during embryonic development. Firstly, the c-myb expression pattern was analyzed by in situ hybridization during endochondral ossification of long bones. c-myb positive areas were found in proliferating as well as hypertrophic zones of the growth plate. At early embryonic stages, localized expression was also observed in the perichondrium and interdigital areas. The c-Myb protein was found in proliferating chondrocytes and in the perichondrium of the forelimb bones (E14.5-E17.5). Furthermore, protein was detected in pre-hypertrophic as well as hypertrophic chondrocytes. Gain-of-function and loss-of-function approaches were used to test the effect of altered c-myb expression on chondrogenesis in micromass cultures established from forelimb buds of mouse embryos. A loss-of-function approach using c-myb specific siRNA decreased nodule formation, as well as downregulated the level of Sox9 expression, a major marker of chondrogenesis. Transient c-myb overexpression markedly increased the formation of cartilage nodules and the production of extracellular matrix as detected by intense staining with Alcian blue. Moreover, the expression of early chondrogenic genes such as Sox9, Col2a1 and activity of a Col2-LUC reporter were increased in the cells overexpressing c-myb while late chondrogenic markers such as Col10a1 and Mmp13 were not significantly changed or were downregulated. Taken together, the results of this study demonstrate that the c-Myb transcription factor is involved in the regulation and promotion of endochondral bone formation.
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Affiliation(s)
- V Oralová
- Institute of Animal Physiology and Genetics CAS, v.v.i., Brno, Czech Republic; Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic.
| | - E Matalová
- Institute of Animal Physiology and Genetics CAS, v.v.i., Brno, Czech Republic; Department of Physiology, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
| | - E Janečková
- Institute of Animal Physiology and Genetics CAS, v.v.i., Brno, Czech Republic; Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - E Drobná Krejčí
- Institute of Anatomy, Charles University, Prague, Czech Republic
| | - L Knopfová
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - P Šnajdr
- Institute of Anatomy, Charles University, Prague, Czech Republic
| | - A S Tucker
- Department of Craniofacial Development and Stem Cell Biology, King's College London, London, UK
| | - I Veselá
- Department of Anatomy, Histology and Embryology, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
| | - J Šmarda
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - M Buchtová
- Institute of Animal Physiology and Genetics CAS, v.v.i., Brno, Czech Republic; Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
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Insulin-like growth factor binding protein-3 affects osteogenic efficacy on dental implants in rat mandible. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 55:490-6. [PMID: 26117781 DOI: 10.1016/j.msec.2015.05.076] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 04/28/2015] [Accepted: 05/28/2015] [Indexed: 11/24/2022]
Abstract
Insulin like growth factor binding protein-3 (IGFBP-3) in bone cells and its utilization in dental implants have not been well studied. The aim of this study was to determine the osteogenic efficacy of chitosan gold nanoparticles (Ch-GNPs) conjugated with IGFBP-3 coated titanium (Ti) implants. Ch-GNPs were conjugated with IGFBP-3 plasmid DNA through a coacervation process. Conjugation was cast over Ti surfaces, and cells were seeded on coated surfaces. For in vitro analysis the expression of different proteins was analyzed by immunoblotting. For in vivo analysis, Ch-GNP/IGFBP-3 coated implants were installed in rat mandibles. Four weeks post-implantation, mandibles were examined by microcomputed tomography (μCT), immunohistochemistry, hematoxylin & eosin and tartrate resistance acid phosphatase staining. In vitro overexpressed Ch-GNP/IGFBP-3 coated Ti surfaces was associated with activation of extracellular signal related kinase (ERK), inhibition of the stress activated protein c-Jun N-terminal kinase (JNK) and enhanced bone morphogenetic protein (BMP)-2 and 7 compared to control. Further, in vivo, Ch-GNP/IGFBP-3 coated implants were associated with inhibition of implant induced osteoclastogenesis molecules, receptor activator of nuclear factor kappa-B ligand (RANKL) and enhanced expression of osteogenic molecules including BMP2/7 and osteopontin (OPN). The μCT analysis demonstrated that IGFBP-3 increased the volume of newly formed bone surrounding the implants compared to control (n=5; p<0.05). These results support the view that IGFBP-3 overexpression diminishes osteoclastogenesis and enhances osteogenesis of Ti implants, and can serve as a potent molecule for the development of good implantation.
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Svandova E, Vesela B, Smarda J, Hampl A, Radlanski RJ, Matalova E. Mouse Incisor Stem Cell Niche and Myb Transcription Factors. Anat Histol Embryol 2014; 44:338-44. [DOI: 10.1111/ahe.12145] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 08/02/2014] [Indexed: 10/24/2022]
Affiliation(s)
- E. Svandova
- Institute of Animal Physiology and Genetics CAS, v.v.i.; Veveri 97 Brno 602 00 Czech Republic
- Department of Experimental Biology; Faculty of Science; Masaryk University; Kamenice 5 Brno 61265 Czech Republic
| | - B. Vesela
- Institute of Animal Physiology and Genetics CAS, v.v.i.; Veveri 97 Brno 602 00 Czech Republic
- Department of Experimental Biology; Faculty of Science; Masaryk University; Kamenice 5 Brno 61265 Czech Republic
| | - J. Smarda
- Department of Experimental Biology; Faculty of Science; Masaryk University; Kamenice 5 Brno 61265 Czech Republic
| | - A. Hampl
- Department of Histology and Embryology, Masaryk University; Kamenice 5 Brno 61265 Czech Republic
| | - R. J. Radlanski
- Department of Craniofacial Developmental Biology; Charité-Universitatsmedizin Berlin; Assmannshauser Str. 4-6 Berlin 14197 Germany
| | - E. Matalova
- Institute of Animal Physiology and Genetics CAS, v.v.i.; Veveri 97 Brno 602 00 Czech Republic
- Department of Physiology; University of Veterinary and Pharmaceutical Sciences; Palackeho 1-3 Brno 61242 Czech Republic
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Bhattarai G, Lee YH, Yi HK. Peroxisome proliferator activated receptor gamma loaded dental implant improves osteogenesis of rat mandible. J Biomed Mater Res B Appl Biomater 2014; 103:587-95. [PMID: 24962969 DOI: 10.1002/jbm.b.33207] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Revised: 04/10/2014] [Accepted: 05/08/2014] [Indexed: 12/15/2022]
Abstract
Peroxisome proliferator activated receptor gamma (PPARγ) has been known for their anti-inflammatory effects. But the application of this molecule in implant-induced inflammation has not been clearly studied yet. Here, we determined in vivo anti-inflammatory and osteogenic effects of PPARγ coated dental implant in the rat mandible. We used chitosan gold nanoparticles (Ch-GNPs) as a non viral vector to carry PPARγ plasmid DNA. Ch-GNPs were conjugated with PPARγ plasmid DNA through a coacervation process. Conjugation was cast over titanium (Ti) implants (4.5 × 0.8 mm) by dipping, and implants were installed in rat mandibles. One, 2, 3, and 6 weeks post-implantation, mandibles were examined by microcomputed tomography (µCT), immunohistochemistry, hematoxylin & eosin, and tartrate resistance acid phosphatase (TRAP) staining. In vivo Ch-GNPs/PPARγcoated implants were associated with inhibition of implant induced inflammatory molecules interleukin-1β and receptor activator of nuclear factor kappa-B ligand and enhanced expression of osteogenic molecules like bone morphogenetic protein 2 and 7 (BMP-2/-7) by up-regulating anti-oxidant molecules heme oxygenase-1. µCT demonstrated that PPARγ overexpression increased the density and volume of newly formed bone surrounding the implants compared to control (n = 4; p < 0.05). Also, PPARγ reduced the number of TRAP positive cells. These results support the view that PPARγ overexpression diminishes inflammation and enhances osteogenesis around the dental implants. Thus, implant coated with anti-inflammatory molecules could have a significant utilization for the preparation of new biomaterials and may serve as prosthetic materials in patients suffering from inflammatory bone disease.
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Affiliation(s)
- Govinda Bhattarai
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, Korea
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Santos A, Sinn Aw M, Bariana M, Kumeria T, Wang Y, Losic D. Drug-releasing implants: current progress, challenges and perspectives. J Mater Chem B 2014; 2:6157-6182. [DOI: 10.1039/c4tb00548a] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
This review presents the different types and concepts of drug-releasing implants using new nanomaterials and nanotechnology-based devices.
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Affiliation(s)
- Abel Santos
- School of Chemical Engineering
- The University of Adelaide
- 5005 Adelaide, Australia
| | - Moom Sinn Aw
- School of Chemical Engineering
- The University of Adelaide
- 5005 Adelaide, Australia
| | - Manpreet Bariana
- School of Chemical Engineering
- The University of Adelaide
- 5005 Adelaide, Australia
- School of Dentistry
- The University of Adelaide
| | - Tushar Kumeria
- School of Chemical Engineering
- The University of Adelaide
- 5005 Adelaide, Australia
| | - Ye Wang
- School of Chemical Engineering
- The University of Adelaide
- 5005 Adelaide, Australia
| | - Dusan Losic
- School of Chemical Engineering
- The University of Adelaide
- 5005 Adelaide, Australia
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