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de Oliveira RF, Salazar M, Matos L, Almeida H, Rodrigues AR, Gouveia AM. High copper levels induce premature senescence in 3T3-L1 preadipocytes. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119734. [PMID: 38642724 DOI: 10.1016/j.bbamcr.2024.119734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 04/02/2024] [Accepted: 04/12/2024] [Indexed: 04/22/2024]
Abstract
Copper (Cu) dyshomeostasis has been linked to obesity and related morbidities and also to aging. Cu levels are higher in older or obese individuals, and adipose tissue (AT) Cu levels correlate with body mass index. Aging and obesity induce similar AT functional and structural changes, including an accumulation of senescent cells. To study the effect of Cu-mediated stress-induced premature senescent (Cu-SIPS) on preadipocytes, 3T3-L1 cell line was exposed to a subcytotoxic concentration of copper sulfate. After Cu treatment, preadipocytes acquired typical senescence characteristics including diminished cell proliferation, cell and nuclei enlargement and increased lysosomal mass (higher Lamp2 expression and a slight increased number of cells positive for β-galactosidase associated with senescence (SA-β-Gal)). Cell cycle arrest was due to upregulation of p16Ink4aInk4a and p21Waf1/Cip1. Accordingly, protein levels of the proliferation marker KI67 were reduced. Cu-SIPS relates with oxidative stress and, in this context, an increase of SOD1 and HO-1 expression was detected in Cu-treated cells. The mRNA expression of senescence-associated secretory phenotype factors, such as Mmp3, Il-6 and Tnf-α, increased in Cu-SIPS 3T3-L1 cells but no effect was observed on the expression of heterochromatin-associated protein 1(HP1). Although the downregulation of Lamin B1 expression is considered a hallmark of senescence, Cu-SIPS cells presented higher levels of Lamin B1. The dysregulation of nuclear lamina was accompanied by an increase of nuclear blebbing, but not of micronuclei number. To conclude, a Cu-SIPS model in 3T3-L1 preadipocytes is here described, which may be an asset to the study of AT dysregulation observed in obesity and aging.
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Affiliation(s)
- Ricardo F de Oliveira
- Departamento de Biomedicina, Unidade de Biologia Experimental, Faculdade de Medicina da Universidade do Porto, Alameda Prof Hernâni Monteiro, 4200-319 Porto, Portugal
| | - Maria Salazar
- Departamento de Biomedicina, Unidade de Biologia Experimental, Faculdade de Medicina da Universidade do Porto, Alameda Prof Hernâni Monteiro, 4200-319 Porto, Portugal; i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
| | - Liliana Matos
- Departamento de Biomedicina, Unidade de Biologia Experimental, Faculdade de Medicina da Universidade do Porto, Alameda Prof Hernâni Monteiro, 4200-319 Porto, Portugal; i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Henrique Almeida
- Departamento de Biomedicina, Unidade de Biologia Experimental, Faculdade de Medicina da Universidade do Porto, Alameda Prof Hernâni Monteiro, 4200-319 Porto, Portugal; i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
| | - Adriana R Rodrigues
- Departamento de Biomedicina, Unidade de Biologia Experimental, Faculdade de Medicina da Universidade do Porto, Alameda Prof Hernâni Monteiro, 4200-319 Porto, Portugal; i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal
| | - Alexandra M Gouveia
- Departamento de Biomedicina, Unidade de Biologia Experimental, Faculdade de Medicina da Universidade do Porto, Alameda Prof Hernâni Monteiro, 4200-319 Porto, Portugal; i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal; IBMC - Instituto de Biologia Molecular e Celular, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal.
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Piñera-Avellaneda D, Buxadera-Palomero J, Delint RC, Dalby MJ, Burgess KV, Ginebra MP, Rupérez E, Manero JM. Gallium and silver-doped titanium surfaces provide enhanced osteogenesis, reduce bone resorption and prevent bacterial infection in co-culture. Acta Biomater 2024; 180:154-170. [PMID: 38621600 DOI: 10.1016/j.actbio.2024.04.019] [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: 12/21/2023] [Revised: 04/05/2024] [Accepted: 04/11/2024] [Indexed: 04/17/2024]
Abstract
Bacterial infection remains a significant problem associated with orthopaedic surgeries leading to surgical site infection (SSI). This unmet medical need can become an even greater complication when surgery is due to malignant bone tumor. In the present study, we evaluated in vitro titanium (Ti) implants subjected to gallium (Ga) and silver (Ag)-doped thermochemical treatment as strategy to prevent SSI and improve osteointegration in bone defects caused by diseases such as osteoporosis, bone tumor, or bone metastasis. Firstly, as Ga has been reported to be an osteoinductive and anti-resorptive agent, its performance in the mixture was proved by studying human mesenchymal stem cells (hMSC) and pre-osteoclasts (RAW264.7) behaviour. Then, the antibacterial potential provided by Ag was assessed by resembling "The Race for the Surface" between hMSC and Pseudomonas aeruginosa in two co-culture methods. Moreover, the presence of quorum sensing molecules in the co-culture was evaluated. The results highlighted the suitability of the mixture to induce osteodifferentiation and reduce osteoclastogenesis in vitro. Furthermore, the GaAg surface promoted strong survival rate and retained osteoinduction potential of hMSCs even after bacterial inoculation. Therefore, GaAg-modified titanium may be an ideal candidate to repair bone defects caused by excessive bone resorption, in addition to preventing SSI. STATEMENT OF SIGNIFICANCE: This article provides important insights into titanium for fractures caused by osteoporosis or bone metastases with high incidence in surgical site infection (SSI) because in this situation bacterial infection can become a major disaster. In order to solve this unmet medical need, we propose a titanium implant modified with gallium and silver to improve osteointegration, reduce bone resorption and avoid bacterial infection. For that aim, we study osteoblast and osteoclast behavior with the main novelty focused on the antibacterial evaluation. In this work, we recreate "the race for the surface" in long-term experiments and study bacterial virulence factors (quorum sensing). Therefore, we believe that our article could be of great interest, providing a great impact on future orthopedic applications.
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Affiliation(s)
- David Piñera-Avellaneda
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Technical University of Catalonia (UPC), Barcelona East School of Engineering (EEBE), 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, EEBE, 08019, Barcelona, Spain; Institut de Recerca Sant Joan de Déu, 08034, Barcelona, Spain.
| | - Judit Buxadera-Palomero
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Technical University of Catalonia (UPC), Barcelona East School of Engineering (EEBE), 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, EEBE, 08019, Barcelona, Spain; Institut de Recerca Sant Joan de Déu, 08034, Barcelona, Spain
| | - Rosalia Cuahtecontzi Delint
- Centre for the Cellular Microenvironment, Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Matthew J Dalby
- Centre for the Cellular Microenvironment, Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Karl V Burgess
- EdinOmics, University of Edinburgh, Max Born Crescent, Edinburgh, EH9 3BF, UK
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Technical University of Catalonia (UPC), Barcelona East School of Engineering (EEBE), 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, EEBE, 08019, Barcelona, Spain; Institut de Recerca Sant Joan de Déu, 08034, Barcelona, Spain; Institute for Bioengineering of Catalonia (IBEC), 08028, Barcelona, Spain
| | - Elisa Rupérez
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Technical University of Catalonia (UPC), Barcelona East School of Engineering (EEBE), 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, EEBE, 08019, Barcelona, Spain; Institut de Recerca Sant Joan de Déu, 08034, Barcelona, Spain
| | - José María Manero
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Technical University of Catalonia (UPC), Barcelona East School of Engineering (EEBE), 08019 Barcelona, Spain; Barcelona Research Center in Multiscale Science and Engineering, UPC, EEBE, 08019, Barcelona, Spain; Institut de Recerca Sant Joan de Déu, 08034, Barcelona, Spain
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Liang W, Zhou C, Bai J, Zhang H, Long H, Jiang B, Dai H, Wang J, Zhang H, Zhao J. Current developments and future perspectives of nanotechnology in orthopedic implants: an updated review. Front Bioeng Biotechnol 2024; 12:1342340. [PMID: 38567086 PMCID: PMC10986186 DOI: 10.3389/fbioe.2024.1342340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 03/04/2024] [Indexed: 04/04/2024] Open
Abstract
Orthopedic implants are the most commonly used fracture fixation devices for facilitating the growth and development of incipient bone and treating bone diseases and defects. However, most orthopedic implants suffer from various drawbacks and complications, including bacterial adhesion, poor cell proliferation, and limited resistance to corrosion. One of the major drawbacks of currently available orthopedic implants is their inadequate osseointegration at the tissue-implant interface. This leads to loosening as a result of immunological rejection, wear debris formation, low mechanical fixation, and implant-related infections. Nanotechnology holds the promise to offer a wide range of innovative technologies for use in translational orthopedic research. Nanomaterials have great potential for use in orthopedic applications due to their exceptional tribological qualities, high resistance to wear and tear, ability to maintain drug release, capacity for osseointegration, and capability to regenerate tissue. Furthermore, nanostructured materials possess the ability to mimic the features and hierarchical structure of native bones. They facilitate cell proliferation, decrease the rate of infection, and prevent biofilm formation, among other diverse functions. The emergence of nanostructured polymers, metals, ceramics, and carbon materials has enabled novel approaches in orthopaedic research. This review provides a concise overview of nanotechnology-based biomaterials utilized in orthopedics, encompassing metallic and nonmetallic nanomaterials. A further overview is provided regarding the biomedical applications of nanotechnology-based biomaterials, including their application in orthopedics for drug delivery systems and bone tissue engineering to facilitate scaffold preparation, surface modification of implantable materials to improve their osteointegration properties, and treatment of musculoskeletal infections. Hence, this review article offers a contemporary overview of the current applications of nanotechnology in orthopedic implants and bone tissue engineering, as well as its prospective future applications.
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Affiliation(s)
- Wenqing Liang
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Chao Zhou
- Department of Orthopedics, Zhoushan Guanghua Hospital, Zhoushan, China
| | - Juqin Bai
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Hongwei Zhang
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Hengguo Long
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Bo Jiang
- Rehabilitation Department, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Haidong Dai
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Jiangwei Wang
- Medical Research Center, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Hengjian Zhang
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
| | - Jiayi Zhao
- Department of Orthopaedics, Zhoushan Hospital of Traditional Chinese Medicine Affiliated to Zhejiang Chinese Medical University, Zhoushan, China
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Gao H, Jiang N, Niu Q, Mei S, Haugen HJ, Ma Q. Biocompatible Nanostructured Silver-Incorporated Implant Surfaces Show Effective Antibacterial, Osteogenic, and Anti-Inflammatory Effects in vitro and in Rat Model. Int J Nanomedicine 2023; 18:7359-7378. [PMID: 38090361 PMCID: PMC10711298 DOI: 10.2147/ijn.s435415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023] Open
Abstract
Introduction Titanium (Ti) and its alloys are widely utilized in endosseous implants. However, their clinical efficacy is marred by complications arising from bacterial infections owing to their inadequate antibacterial properties. Consequently, enhancing the antibacterial attributes of implant surfaces stands as a pivotal objective in the realm of implantable materials research. Methods In this study, we employed sequential anodization and plasma immersion ion implantation (PIII) technology to fabricate a silver-embedded sparsely titania nanotube array (SNT) on the near-β titanium alloy Ti-5Zr-3Sn-5Mo-15Nb (TLM) implants. The surface characteristics, antimicrobial properties, biocompatibility, and osteogenic activity of the silver-nanomodified SNT implant (SNT Ag) surface, alongside peri-implant inflammatory responses, were meticulously assessed through a combination of in vitro and in vivo analyses. Results Compared with polished TLM and SNT, the silver-embedded SNT (SNT Ag) surface retained the basic shape of nanotubes and stably released Ag+ at the ppm level for a long time, which demonstrated an effective inhibition and bactericidal activity against Staphylococcus aureus (SA) while maintaining ideal cytocompatibility. Additionally, the subtle modifications in nanotubular topography induced by silver implantation endowed SNT Ag with enhanced osteogenic activity and mitigated inflammatory capsulation in soft tissue peri-implants in a rat model. Conclusion Incorporating a silver-embedded SNT array onto the implant surface demonstrated robust antibacterial properties, impeccable cytocompatibility, exceptional osteogenic activity, and the potential to prevent inflammatory encapsulation around the implant site. The Silver-PIII modification strategy emerges as a highly promising approach for surface applications in endosseous implants and trans-gingival implant abutments.
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Affiliation(s)
- Hui Gao
- Department of Stomatology, the Eighth Medical Center of Chinese PLA General Hospital, Beijing, People’s Republic of China
| | - Nan Jiang
- Department of Community Dentistry, Institute of Clinical Dentistry, University of Oslo, Oslo, Norway
| | - Qiannan Niu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, National Clinical Research Center for Oral Diseases, Shaanxi Clinical Research Center for Oral Diseases, Department of Orthodontics, School of Stomatology, The Fourth Military Medical University, Xi’an, Shaanxi Province, People’s Republic of China
| | - Shenglin Mei
- Xingrui Dental Clinic, Xi’an, Shaanxi Province, People’s Republic of China
- Department of Physics & Materials Science, City University of Hong Kong, Hong Kong, People’s Republic of China
| | - Håvard Jostein Haugen
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, Oslo, Norway
| | - Qianli Ma
- Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, Oslo, Norway
- Department of Immunology, School of Basic Medicine, Fourth Military Medical University, Xi’an, Shaanxi Province, People’s Republic of China
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Shao H, Zhang T, Gong Y, He Y. Silver-Containing Biomaterials for Biomedical Hard Tissue Implants. Adv Healthc Mater 2023; 12:e2300932. [PMID: 37300754 DOI: 10.1002/adhm.202300932] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 05/22/2023] [Indexed: 06/12/2023]
Abstract
Bacterial infection caused by biomaterials is a very serious problem in the clinical treatment of implants. The emergence of antibiotic resistance has prompted other antibacterial agents to replace traditional antibiotics. Silver is rapidly developing as an antibacterial candidate material to inhibit bone infections due to its significant advantages such as high antibacterial timeliness, high antibacterial efficiency, and less susceptibility to bacterial resistance. However, silver has strong cytotoxicity, which can cause inflammatory reactions and oxidative stress, thereby destroying tissue regeneration, making the application of silver-containing biomaterials extremely challenging. In this paper, the application of silver in biomaterials is reviewed, focusing on the following three issues: 1) how to ensure the excellent antibacterial properties of silver, and not easy to cause bacterial resistance; 2) how to choose the appropriate method to combine silver with biomaterials; 3) how to make silver-containing biomaterials in hard tissue implants have further research. Following a brief introduction, the discussion focuses on the application of silver-containing biomaterials, with an emphasis on the effects of silver on the physicochemical properties, structural properties, and biological properties of biomaterials. Finally, the review concludes with the authors' perspectives on the challenges and future directions of silver in commercialization and in-depth research.
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Affiliation(s)
- Huifeng Shao
- School of Mechanical Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
- Zhejiang Guanlin Machinery Limited Company, Anji, Hangzhou, 313300, China
| | - Tao Zhang
- School of Mechanical Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Youping Gong
- School of Mechanical Engineering, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Yong He
- State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
- Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou, 310027, China
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Damle A, Sundaresan R, Rajwade JM, Srivastava P, Naik A. A concise review on implications of silver nanoparticles in bone tissue engineering. BIOMATERIALS ADVANCES 2022; 141:213099. [PMID: 36088719 DOI: 10.1016/j.bioadv.2022.213099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 08/25/2022] [Accepted: 08/27/2022] [Indexed: 06/15/2023]
Abstract
Skeletal disorders represent a variety of degenerative diseases that affect bone and cartilage homeostasis. The regenerative capacity of bone is affected in osteoporosis, osteoarthritis, rheumatoid arthritis, bone fractures, congenital defects, and bone cancers. There is no viable, non-invasive treatment option and bone regeneration requires surgical intervention with the implantation of bone grafts. Incorporating nanoparticles in bone grafts have improved fracture healing by providing fine structures for bone tissue engineering. It is currently a revolutionary finding in the field of regenerative medicine. Silver nanoparticles (AgNPs) have garnered particular attention due to their well-known anti-microbial and potential osteoinductive properties. In addition, AgNPs have been demonstrated to regulate the proliferation and differentiation of mesenchymal stem cells (MSCs) involved in bone regeneration. Furthermore, AgNPs have shown toxicity towards cancer cells derived from bone. In the last decade, there have been multiple studies focusing on the effect of nanoparticles on the proliferation and/or differentiation of MSCs and bone cancer cells; however, the specific studies with AgNPs are limited. Although the reported investigations show promising in vitro and in vivo potential of AgNPs for application in bone regeneration, more studies are required to ensure their implications in bone tissue engineering. This review aims to highlight the current advances related to the production of AgNPs and their effect on MSCs and bone cancer cells, which will potentiate their possible implications in orthopedics. Moreover, this review article evaluates the future of AgNPs in bone tissue engineering.
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Affiliation(s)
- Atharva Damle
- School of BioSciences and Technology, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
| | - Rajapriya Sundaresan
- School of BioSciences and Technology, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India
| | - Jyutika M Rajwade
- Nanobioscience Group, Agharkar Research Institute, Pune 411004, Maharashtra, India
| | - Priyanka Srivastava
- Centre for Nanobiotechnology, Vellore Institute of Technology, Vellore 632014, Tamil Nadu, India.
| | - Amruta Naik
- National Centre for Cell Science, S. P. Pune University Campus, Pune 411007, Maharashtra, India.
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Piras CC, Mahon CS, Genever PG, Smith DK. Shaping and Patterning Supramolecular Materials─Stem Cell-Compatible Dual-Network Hybrid Gels Loaded with Silver Nanoparticles. ACS Biomater Sci Eng 2022; 8:1829-1840. [PMID: 35364810 PMCID: PMC9092345 DOI: 10.1021/acsbiomaterials.1c01560] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
![]()
Hydrogels
with spatio-temporally
controlled properties are appealing
materials for biological and pharmaceutical applications. We make
use of mild acidification protocols to fabricate hybrid gels using
calcium alginate in the presence of a preformed thermally triggered
gel based on a low-molecular-weight gelator (LMWG) 1,3:2:4-di(4-acylhydrazide)-benzylidene
sorbitol (DBS-CONHNH2). Nonwater-soluble calcium carbonate
slowly releases calcium ions over time when exposed to an acidic pH,
triggering the assembly of the calcium alginate gel network. We combined
the gelators in different ways: (i) the LMWG was used as a template
to spatially control slow calcium alginate gelation within preformed
gel beads, using glucono-δ-lactone (GdL) to lower the pH; (ii)
the LMWG was used as a template to spatially control slow calcium
alginate gelation within preformed gel trays, using diphenyliodonium
nitrate (DPIN) as a photoacid to lower the pH, and spatial resolution
was achieved by masking. The dual-network hybrid gels display highly
tunable properties, and the beads are compatible with stem cell growth.
Furthermore, they preserve the LMWG function of inducing in situ silver
nanoparticle (AgNP) formation, which provides the gels with antibacterial
activity. These gels have potential for eventual regenerative medicine
applications in (e.g.) bone tissue engineering.
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Affiliation(s)
- Carmen C Piras
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
| | - Clare S Mahon
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
| | - Paul G Genever
- Department of Biology, University of York, Heslington, York YO10 5DD, United Kingdom
| | - David K Smith
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
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Burdușel AC, Gherasim O, Andronescu E, Grumezescu AM, Ficai A. Inorganic Nanoparticles in Bone Healing Applications. Pharmaceutics 2022; 14:pharmaceutics14040770. [PMID: 35456604 PMCID: PMC9027776 DOI: 10.3390/pharmaceutics14040770] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/24/2022] [Accepted: 03/28/2022] [Indexed: 12/13/2022] Open
Abstract
Modern biomedicine aims to develop integrated solutions that use medical, biotechnological, materials science, and engineering concepts to create functional alternatives for the specific, selective, and accurate management of medical conditions. In the particular case of tissue engineering, designing a model that simulates all tissue qualities and fulfills all tissue requirements is a continuous challenge in the field of bone regeneration. The therapeutic protocols used for bone healing applications are limited by the hierarchical nature and extensive vascularization of osseous tissue, especially in large bone lesions. In this regard, nanotechnology paves the way for a new era in bone treatment, repair and regeneration, by enabling the fabrication of complex nanostructures that are similar to those found in the natural bone and which exhibit multifunctional bioactivity. This review aims to lay out the tremendous outcomes of using inorganic nanoparticles in bone healing applications, including bone repair and regeneration, and modern therapeutic strategies for bone-related pathologies.
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Affiliation(s)
- Alexandra-Cristina Burdușel
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
| | - Oana Gherasim
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Lasers Department, National Institute for Lasers, Plasma and Radiation Physics, 409 Atomiștilor Street, 077125 Magurele, Romania
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Academy of Romanian Scientists, 3 Ilfov Street, 050044 Bucharest, Romania
- Correspondence:
| | - Alexandru Mihai Grumezescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Academy of Romanian Scientists, 3 Ilfov Street, 050044 Bucharest, Romania
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 90–92 Panduri Road, 050657 Bucharest, Romania
| | - Anton Ficai
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1–7 Gheorghe Polizu Street, 011061 Bucharest, Romania; (A.-C.B.); (O.G.); (A.M.G.); (A.F.)
- Academy of Romanian Scientists, 3 Ilfov Street, 050044 Bucharest, Romania
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Porter GC, Duncan WJ, Jude A, Abdelmoneim D, Easingwood RA, Coates DE. Endocytosed silver nanoparticles degrade in lysosomes to form secondary nanoparticle structures during expression of autophagy genes in osteogenic cells. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2021; 33:102355. [PMID: 33454429 DOI: 10.1016/j.nano.2020.102355] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/05/2020] [Accepted: 12/23/2020] [Indexed: 01/01/2023]
Abstract
Silver nanoparticles (AgNPs) are increasingly used in combination with biomaterials, such as bone grafts, to provide antimicrobial properties. Our research focused on the cytotoxic and intracellular uptake mechanism of AgNPs on osteogenic cells, and the affected gene expression of osteoblasts exposed to AgNPs. Osteoblast cells were found to be relatively resistant to AgNP exposure, compared to osteoclasts, with a higher IC50 and fewer adverse morphological features. AgNPs were endocytosed within lysosomes, which resulted in the secondary internal formation of curved AgO nano-chains assemblies within the cytosol. Furthermore, osteoblasts demonstrated an oxidative stress response, with autophagic cell death mechanisms, as indicated from qRT2-PCR analysis, with sustained upregulation of the protective gene Heme Oxygenase 1 reaching 86-fold by 48 hours (10 μg/mL). The internalization and fate of AgNPs in osteogenic cells, and the resulting impact on gene expression over time provide further understanding of the nanotoxicity mechanism of AgNPs.
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Affiliation(s)
- G C Porter
- Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand.
| | - W J Duncan
- Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand
| | - A Jude
- Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand
| | - D Abdelmoneim
- Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand
| | - R A Easingwood
- Otago Micro and Nanoscale Imaging, Department of Anatomy, University of Otago, Dunedin, New Zealand
| | - D E Coates
- Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin, New Zealand
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Mahmoud NS, Ahmed HH, Mohamed MR, Amr KS, Aglan HA, Ali MAM, Tantawy MA. Role of nanoparticles in osteogenic differentiation of bone marrow mesenchymal stem cells. Cytotechnology 2020; 72:1-22. [PMID: 31722051 PMCID: PMC7002803 DOI: 10.1007/s10616-019-00353-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 11/02/2019] [Indexed: 01/11/2023] Open
Abstract
The present study aimed to investigate the osteoinductive potentiality of some selected nanostructures; Hydroxyapatite (HA-NPs), Gold (Au-NPs), Chitosan (C-NPs), Gold/hydroxyapatite (Au/HA-NPs) and Chitosan/hydroxyapatite (CH-NPs) on bone marrow- derived mesenchymal stem cells (BM-MSCs). These nanostructures were characterized using transmission electron microscope and Zetasizer. MSCs were isolated from bone marrow of rat femur bones and their identity was documented by morphology, flow cytometry and multi-potency capacity. The influence of the selected nanostructures on the viability, osteogenic differentiation and subsequent matrix mineralization of BM-MSCs was determined by MTT assay, molecular genetic analysis and alizarin red S staining, respectively. MTT analysis revealed insignificant toxicity of the tested nanostructures on BM-MSCs at concentrations ranged from 2 to 25 µg/ml over 48 h and 72 h incubation period. Notably, the tested nanostructures potentiate the osteogenic differentiation of BM-MSCs as evidenced by a prominent over-expression of runt-related transcription factor 2 (Runx-2) and bone morphogenetic protein 2 (BMP-2) genes after 7 days incubation. Moreover, the tested nanostructures induced matrix mineralization of BM-MSCs after 21 days as manifested by the formation of calcium nodules stained with alizarin red S. Conclusively, these data provide a compelling evidence for the functionality of the studied nanostructures as osteoinductive materials motivating the differentiation of BM-MSCs into osteoblasts with the most prominent effect observed with Au-NPs and Au/HA-NPs, followed by CH-NPs.
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Affiliation(s)
- Nadia S. Mahmoud
- Hormones Department, Medical Research Division, National Research Centre, 33 EL Bohouth St. (former EL -Tahrir st.), Dokki, Giza, P.O. 12622 Egypt
- Stem Cells Lab, Center of Excellence for Advanced Sciences, National Research Centre, Dokki, Giza, Egypt
| | - Hanaa H. Ahmed
- Hormones Department, Medical Research Division, National Research Centre, 33 EL Bohouth St. (former EL -Tahrir st.), Dokki, Giza, P.O. 12622 Egypt
- Stem Cells Lab, Center of Excellence for Advanced Sciences, National Research Centre, Dokki, Giza, Egypt
| | - Mohamed R. Mohamed
- Biochemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Khalda S. Amr
- Medical Molecular Genetics Department, Human Genetics and Genome Researches Division, National Research Centre, Dokki, Giza, Egypt
| | - Hadeer A. Aglan
- Hormones Department, Medical Research Division, National Research Centre, 33 EL Bohouth St. (former EL -Tahrir st.), Dokki, Giza, P.O. 12622 Egypt
- Stem Cells Lab, Center of Excellence for Advanced Sciences, National Research Centre, Dokki, Giza, Egypt
| | - Mohamed A. M. Ali
- Biochemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Mohamed A. Tantawy
- Hormones Department, Medical Research Division, National Research Centre, 33 EL Bohouth St. (former EL -Tahrir st.), Dokki, Giza, P.O. 12622 Egypt
- Stem Cells Lab, Center of Excellence for Advanced Sciences, National Research Centre, Dokki, Giza, Egypt
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