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Cheng X, Tian W, Yang J, Wang J, Zhang Y. Engineering approaches to manipulate osteoclast behavior for bone regeneration. Mater Today Bio 2024; 26:101043. [PMID: 38600918 PMCID: PMC11004223 DOI: 10.1016/j.mtbio.2024.101043] [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: 01/03/2024] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/12/2024] Open
Abstract
Extensive research has delved into the multifaceted roles of osteoclasts beyond their traditional function in bone resorption in recent years, uncovering their significant influence on bone formation. This shift in understanding has spurred investigations into engineering strategies aimed at leveraging osteoclasts to not only inhibit bone resorption but also facilitate bone regeneration. This review seeks to comprehensively examine the mechanisms by which osteoclasts impact bone metabolism. Additionally, it explores various engineering methodologies, including the modification of bioactive material properties, localized drug delivery, and the introduction of exogenous cells, assessing their potential and mechanisms in aiding bone repair by targeting osteoclasts. Finally, the review proposes current limitations and future routes for manipulating osteoclasts through biological and material cues to facilitate bone repair.
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Affiliation(s)
- Xin Cheng
- Department of Stomatology, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, 1098 Xueyuan Road, Shenzhen 518055, Guangdong Province, China
| | - Wenzhi Tian
- Jilin University, Jilin Province Key Lab Tooth Dev & Bone Remodeling, School and Hospital of Stomatology, Department of Oral Pathology, Changchun 130041, Jilin Province, China
| | - Jianhua Yang
- Longgang District People's Hospital of Shenzhen & the Second Affiliated Hospital, The Chinese University of Hong Kong, Shenzhen 518172, Guangdong province, China
| | - Jiamian Wang
- National Innovation Center for Advanced Medical Devices, Shenzhen 518000, Guangdong Province, China
| | - Yang Zhang
- School of Dentistry, Shenzhen University Medical School, 1088 Xueyuan Road, Shenzhen 518055, Guangdong Province, China
- School of Biomedical Engineering, Shenzhen University Medical School, 1088 Xueyuan Road, Shenzhen 518055, Guangdong Province, China
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2
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Lee C, Mayer E, Bernthal N, Wenke J, O'Toole RV. Orthopaedic infections: what have we learned? OTA Int 2023; 6:e250. [PMID: 37168032 PMCID: PMC10166335 DOI: 10.1097/oi9.0000000000000250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 12/22/2022] [Indexed: 05/13/2023]
Abstract
Orthopaedic infections remain challenging complications to treat, with profound economic impact in addition to patient morbidity. The overall estimates of infection after orthopaedic surgery with internal devices has been estimated at 5%, with hospital costs eight times that of those without fracture-related infections and with significantly poorer functional and pain interference PROMIS scores. Orthopaedic infection interventions have been focused on prevention and treatment options. The creation of new modalities for orthopaedic infection treatment can benefit from the understanding of the temporal relationship between bacterial colonization and host-cell integration, a concept referred to as "the race for the surface." Regarding prevention, host modulation and antibiotic powder use have been explored as viable options to lower infection rates. Orthopaedic infection treatment has additionally continued to evolve, with PO antibiotics demonstrating equivalent efficacy to IV antibiotics for the treatment of orthopaedic infections in recent studies. In conclusion, orthopaedic infections remain difficult clinical dilemmas, although evolving prevention and treatment modalities continue to emerge.
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Affiliation(s)
- Christopher Lee
- Department of Orthopaedic Surgery, University of California Los Angeles, Los Angeles, CA
| | - Erik Mayer
- Department of Orthopaedic Surgery, University of California Los Angeles, Los Angeles, CA
| | - Nicholas Bernthal
- Department of Orthopaedic Surgery, University of California Los Angeles, Los Angeles, CA
| | - Joseph Wenke
- Department of Orthopaedic Surgery and Rehabilitation, University of Texas Medical Branch at Galveston, Galveston, TX; and
| | - Robert V. O'Toole
- Department of Orthopaedic Surgery, University of Maryland, Baltimore, MD
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3
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Kylmäoja E, Abushahba F, Holopainen J, Ritala M, Tuukkanen J. Monocyte Differentiation on Atomic Layer-Deposited (ALD) Hydroxyapatite Coating on Titanium Substrate. Molecules 2023; 28:molecules28083611. [PMID: 37110845 PMCID: PMC10143381 DOI: 10.3390/molecules28083611] [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: 02/21/2023] [Revised: 04/13/2023] [Accepted: 04/19/2023] [Indexed: 04/29/2023] Open
Abstract
Hydroxyapatite (HA; Ca10(PO4)6(OH)2) coating of bone implants has many beneficial properties as it improves osseointegration and eventually becomes degraded and replaced with new bone. We prepared HA coating on a titanium substrate with atomic layer deposition (ALD) and compared monocyte differentiation and material resorption between ALD-HA and bone. After stimulation with macrophage colony-stimulating factor (M-CSF) and receptor activator of nuclear factor kappa-B ligand (RANKL), human peripheral blood monocytes differentiated into resorbing osteoclasts on bovine bone, but non-resorbing foreign body cells were observed on ALD-HA. The analysis of the topography of ALD-HA and bone showed no differences in wettability (water contact angle on ALD-HA 86.2° vs. 86.7° on the bone), but the surface roughness of ALD-HA (Ra 0.713 µm) was significantly lower compared to bone (Ra 2.30 µm). The cellular reaction observed on ALD-HA might be a consequence of the topographical properties of the coating. The absence of resorptive osteoclasts on ALD-HA might indicate inhibition of their differentiation or the need to modify the coating to induce osteoclast differentiation.
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Affiliation(s)
- Elina Kylmäoja
- Department of Anatomy and Cell Biology, Institute of Cancer Research and Translational Medicine, Medical Research Center, University of Oulu, P.O. Box 5000, 90014 Oulu, Finland
| | - Faleh Abushahba
- Department of Prosthetic Dentistry and Stomatognathic Physiology, Institute of Dentistry, University of Turku, 20520 Turku, Finland
| | - Jani Holopainen
- Department of Chemistry, University of Helsinki, P.O. Box 55, 00014 Helsinki, Finland
| | - Mikko Ritala
- Department of Chemistry, University of Helsinki, P.O. Box 55, 00014 Helsinki, Finland
| | - Juha Tuukkanen
- Department of Anatomy and Cell Biology, Institute of Cancer Research and Translational Medicine, Medical Research Center, University of Oulu, P.O. Box 5000, 90014 Oulu, Finland
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Wang H, Lai Y, Xie Z, Lin Y, Cai Y, Xu Z, Chen J. Graphene Oxide-Modified Concentric Microgrooved Titanium Surfaces for the Dual Effects of Osteogenesis and Antiosteoclastogenesis. ACS APPLIED MATERIALS & INTERFACES 2022; 14:54500-54516. [PMID: 36454650 DOI: 10.1021/acsami.2c14271] [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] [Indexed: 06/17/2023]
Abstract
Surface modification is an effective method to resolve the biocompatibility, mechanical, and functional issues of various titanium implant materials. Therefore, many researchers have modified the implant surface to promote the osseointegration of the implant and improve the implant survival rate. In this study, we used photolithography to construct concentric microgrooves with widths of 10 μm and depths of 10 μm, to produce an osteon-mimetic concentric microgrooved titanium surface that was further modified with graphene oxide by silanization (GO-CMS). The modified surface had great biocompatibility and promoted the proliferation of bone marrow-derived mesenchymal stem cells (BMSCs) and RAW264.7 macrophages. The concentric microgrooves on the titanium surface guided cell migration, altered actin cytoskeleton, and caused the cells to arrange in concentric circles. The titanium surface of the GO-modified osteon-mimetic concentric microgrooves promoted the osteogenic differentiation of BMSCs and inhibited the osteoclastogenic differentiation of RAW264.7 cells. Subsequently, we constructed an indirect coculture system and found that RAW264.7 cells cultured on a GO-CMS material surface in a BMSC-conditioned medium (BCM) decreased receptor activator of nuclear factor-κB ligand (RANKL) secretion and increased OPG secretion and also that the BCM inhibited osteoclastogenic differentiation. Additionally, the secretion of OSM increased in BMSCs cultured in RAW264.7-conditioned medium (RCM) in the GO-CMS group, which in turn promoted the osteogenic differentiation of BMSCs. In conclusion, the titanium surface of GO-modified osteon-mimetic concentric microgrooves had dual effects of osteogenesis and antiosteoclastogenesis under single and coculture conditions, which is beneficial for implant osseointegration and is a promising method for the future direction of surface modifications of implants.
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Affiliation(s)
- Hong Wang
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou, Fujian 350000, P.R. China
- Engineering Research Center of Stomatological Biomaterials, Fujian Province University, Xiamen Medical College, Xiamen, Fujian 361023, P.R. China
| | - Yingzhen Lai
- Department of Stomatology, Xiamen Medical College, Xiamen, Fujian 361023, P.R. China
- Engineering Research Center of Stomatological Biomaterials, Fujian Province University, Xiamen Medical College, Xiamen, Fujian 361023, P.R. China
| | - Zeyu Xie
- Department of Stomatology, Xiamen Medical College, Xiamen, Fujian 361023, P.R. China
- Engineering Research Center of Stomatological Biomaterials, Fujian Province University, Xiamen Medical College, Xiamen, Fujian 361023, P.R. China
| | - Yanyin Lin
- Department of Stomatology, Xiamen Medical College, Xiamen, Fujian 361023, P.R. China
- Engineering Research Center of Stomatological Biomaterials, Fujian Province University, Xiamen Medical College, Xiamen, Fujian 361023, P.R. China
| | - Yihuang Cai
- Department of Stomatology, Xiamen Medical College, Xiamen, Fujian 361023, P.R. China
- Engineering Research Center of Stomatological Biomaterials, Fujian Province University, Xiamen Medical College, Xiamen, Fujian 361023, P.R. China
| | - Zhiqiang Xu
- Department of Stomatology, Affiliated Hospital of Putian University, Putian, Fujian 351100, P.R. China
| | - Jiang Chen
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou, Fujian 350000, P.R. China
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Shirazi S, Ravindran S, Cooper LF. Topography-mediated immunomodulation in osseointegration; Ally or Enemy. Biomaterials 2022; 291:121903. [PMID: 36410109 PMCID: PMC10148651 DOI: 10.1016/j.biomaterials.2022.121903] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022]
Abstract
Osteoimmunology is at full display during endosseous implant osseointegration. Bone formation, maintenance and resorption at the implant surface is a result of bidirectional and dynamic reciprocal communication between the bone and immune cells that extends beyond the well-defined osteoblast-osteoclast signaling. Implant surface topography informs adherent progenitor and immune cell function and their cross-talk to modulate the process of bone accrual. Integrating titanium surface engineering with the principles of immunology is utilized to harness the power of immune system to improve osseointegration in healthy and diseased microenvironments. This review summarizes current information regarding immune cell-titanium implant surface interactions and places these events in the context of surface-mediated immunomodulation and bone regeneration. A mechanistic approach is directed in demonstrating the central role of osteoimmunology in the process of osseointegration and exploring how regulation of immune cell function at the implant-bone interface may be used in future control of clinical therapies. The process of peri-implant bone loss is also informed by immunomodulation at the implant surface. How surface topography is exploited to prevent osteoclastogenesis is considered herein with respect to peri-implant inflammation, osteoclastic precursor-surface interactions, and the upstream/downstream effects of surface topography on immune and progenitor cell function.
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Affiliation(s)
- Sajjad Shirazi
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL, USA.
| | - Sriram Ravindran
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL, USA
| | - Lyndon F Cooper
- School of Dentistry, Virginia Commonwealth University, Richmond, VA, USA.
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6
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Zhao Z, Zhang J, Yang Z, Zhao Q. Biodegradation of HA and β-TCP Ceramics Regulated by T-Cells. Pharmaceutics 2022; 14:pharmaceutics14091962. [PMID: 36145710 PMCID: PMC9502083 DOI: 10.3390/pharmaceutics14091962] [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: 07/01/2022] [Revised: 09/12/2022] [Accepted: 09/13/2022] [Indexed: 11/21/2022] Open
Abstract
Biodegradability is one of the most important properties of implantable bone biomaterials, which is directly related to material bioactivity and the osteogenic effect. How foreign body giant cells (FBGC) involved in the biodegradation of bone biomaterials are regulated by the immune system is poorly understood. Hence, this study found that β-tricalcium phosphate (β-TCP) induced more FBGCs formation in the microenvironment (p = 0.0061) accompanied by more TNFα (p = 0.0014), IFNγ (p = 0.0024), and T-cells (p = 0.0029) than hydroxyapatite (HA), resulting in better biodegradability. The final use of T-cell depletion in mice confirmed that T-cell-mediated immune responses play a decisive role in the formation of FBGCs and promote bioceramic biodegradation. This study reveals the biological mechanism of in vivo biodegradation of implantable bone tissue engineering materials from the perspective of material-immune system interaction, which complements the mechanism of T-cells’ adaptive immunity in bone immune regulation and can be used as a theoretical basis for rational optimization of implantable material properties.
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Affiliation(s)
- Zifan Zhao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine, Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Jing Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine, Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Zaibo Yang
- Department of Stomatology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi 445000, China
- Correspondence: (Z.Y.); (Q.Z.)
| | - Qin Zhao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine, Ministry of Education, School & Hospital of Stomatology, Wuhan University, Wuhan 430079, China
- Correspondence: (Z.Y.); (Q.Z.)
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Omi M, Mishina Y. Roles of osteoclasts in alveolar bone remodeling. Genesis 2022; 60:e23490. [PMID: 35757898 PMCID: PMC9786271 DOI: 10.1002/dvg.23490] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 05/25/2022] [Accepted: 06/09/2022] [Indexed: 12/30/2022]
Abstract
Osteoclasts are large multinucleated cells from hematopoietic origin and are responsible for bone resorption. A balance between osteoclastic bone resorption and osteoblastic bone formation is critical to maintain bone homeostasis. The alveolar bone, also called the alveolar process, is the part of the jawbone that holds the teeth and supports oral functions. It differs from other skeletal bones in several aspects: its embryonic cellular origin, the form of ossification, and the presence of teeth and periodontal tissues; hence, understanding the unique characteristic of the alveolar bone remodeling is important to maintain oral homeostasis. Excessive osteoclastic bone resorption is one of the prominent features of bone diseases in the jaw such as periodontitis. Therefore, inhibiting osteoclast formation and bone resorptive process has been the target of therapeutic intervention. Understanding the mechanisms of osteoclastic bone resorption is critical for the effective treatment of bone diseases in the jaw. In this review, we discuss basic principles of alveolar bone remodeling with a specific focus on the osteoclastic bone resorptive process and its unique functions in the alveolar bone. Lastly, we provide perspectives on osteoclast-targeted therapies and regenerative approaches associated with bone diseases in the jaw.
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Affiliation(s)
- Maiko Omi
- Department of Biologic and Materials Sciences & ProsthodonticsUniversity of Michigan School of DentistryAnn ArborMichiganUSA
| | - Yuji Mishina
- Department of Biologic and Materials Sciences & ProsthodonticsUniversity of Michigan School of DentistryAnn ArborMichiganUSA
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Hayashi K, Ishikawa K. Effects of nanopores on the mechanical strength, osteoclastogenesis, and osteogenesis in honeycomb scaffolds. J Mater Chem B 2021; 8:8536-8545. [PMID: 32822446 DOI: 10.1039/d0tb01498b] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The scaffold chemical composition and pore architecture are critical for successful bone regeneration. Although the effects of chemical composition, micron-scale pores, and macropores (≥100 μm) are known, those of nanometer-scale pores (nanopores) are unknown. Here, honeycomb scaffolds (HCSs) composed of carbonate apatite and bone mineral, were fabricated with three distinct nanopore volumes, while other parameters were comparable between HCSs. Their compressive strengths and nanopore volumes linearly correlated. The HCSs were implanted into critical-sized bone defects (CSDs) in the rabbit femur distal epiphyses. The nanopore volume affected both osteoclastogenesis and osteogenesis. HCSs with nanopore volumes of ≥0.15 cm3 g-1 promoted osteoclastogenesis, contributing to bone maturation and bone formation within 4 weeks. However, HCSs with nanopore volumes of 0.07 cm3 g-1 promoted significantly less bone maturation and neoformation. Nevertheless, HCSs with nanopore volumes of ≥0.18 cm3 g-1 did not undergo continuous bone regeneration throughout the 12 week period due to excessive osteoclastogenesis, which favored HCS resorption over bone neoformation. When the nanopore volume was 0.15 cm3 g-1, osteoclastogenesis and osteogenesis progressed harmonically, resulting in HCS replacement with new bone. Our results demonstrate that the nanopore volume is critical for controlling osteoclastogenesis and osteogenesis. These insights may help establish a coherent strategy for developing scaffolds for different applications.
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Affiliation(s)
- Koichiro Hayashi
- Department of Biomaterials, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka 812-8582, Japan.
| | - Kunio Ishikawa
- Department of Biomaterials, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi Higashi-ku, Fukuoka 812-8582, Japan.
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Toyama N, Tsuchiya S, Kamio H, Okabe K, Kuroda K, Okido M, Hibi H. The effect of macrophages on an atmospheric pressure plasma-treated titanium membrane with bone marrow stem cells in a model of guided bone regeneration. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2020; 31:70. [PMID: 32705350 DOI: 10.1007/s10856-020-06412-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 07/12/2020] [Indexed: 06/11/2023]
Abstract
Guided bone regeneration (GBR) is an established treatment. However, the mechanisms of GBR are not fully understood. Recently, a GBR membrane was identified that acts as a passive barrier to regenerate bone via activation and migration of macrophages (Mps) and bone marrow stem cells (BMSCs). Atmospheric pressure plasma treatment of the titanium membrane (APP-Ti) activated macrophages. The purpose of this study was to analyze whether macrophages attached to an APP-Ti membrane affected differentiation of BMSCs in a GBR model. Human THP-1 macrophages (hMps) were cultured on non-treated Ti (N-Ti) and APP-Ti membrane. Macrophage polarization was analyzed by RT-PCR and immunocytochemistry. Secreted proteins from hMps on N-Ti and APP-Ti were detected by LC/MS/MS. hBMSCs were co-cultured with hMps on N-Ti or APP-Ti and analyzed by osteogenic differentiation, Alizarin red S staining, and alkaline phosphatase (ALP) activity. N-Ti and APP-Ti membrane were also implanted into bone defects of rat calvaria. hMps on APP-Ti were polarized M2-like macrophages. hMps on N-Ti secreted plasminogen activator inhibitor-1 and syndecan-2, but hMps on APP-Ti did not. hBMSCs co-cultured with hMps on APP-Ti increased cell migration and gene expression of osteogenic markers, but suppressed mineralization, while ALP activity was similar to that of hMps on N-Ti in vitro. The volume of newly formed bone was not significantly different between N-Ti and APP-Ti membrane in vivo. M2 polarized hMps on APP-Ti suppressed osteogenic induction of hBMSCs in vitro. The indirect role of hMps on APP-Ti in newly formed bone was limited.
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Affiliation(s)
- Naoto Toyama
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Shuhei Tsuchiya
- Nagoya University Hospital Oral and Maxillofacial Surgery, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan.
| | - Hisanobu Kamio
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Kazuto Okabe
- Nagoya University Hospital Oral and Maxillofacial Surgery, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
| | - Kensuke Kuroda
- Institute of Materials and Systems for sustainability (IMaSS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8603, Japan
| | - Masazumi Okido
- Institute of Materials and Systems for sustainability (IMaSS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8603, Japan
| | - Hideharu Hibi
- Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan
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Yang J, Yu X, Zhang Z, Xu R, Wu F, Wang T, Liu Y, Ouyang J, Deng F. Surface modification of titanium manufactured through selective laser melting inhibited osteoclast differentiation through mitogen-activated protein kinase signaling pathway. J Biomater Appl 2020; 35:169-181. [PMID: 32340522 DOI: 10.1177/0885328220920457] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Selective laser melting used in manufacturing custom-made titanium implants becomes more popular. In view of the important role played by osteoclasts in peri-implant bone resorption and osseointegration, we modified selective laser melting-manufactured titanium surfaces using sandblasting/alkali-heating and sandblasting/acid-etching, and investigated their effect on osteoclast differentiation as well as their underlying mechanisms. The properties of the surfaces, including elements, roughness, wettability and topography, were analyzed. We evaluated the proliferation and morphology of primary mouse bone marrow-derived monocytes, as well as induced osteoclasts derived from bone marrow-derived monocytes, on samples. Then, osteoclast differentiation was determined by the tartrate-resistant acid phosphatase activity assay, calcitonin receptors immunofluorescence staining and the expression of osteoclast-related genes. The results showed that sandblasting/alkali-heating established nanonet structure with the lowest water contact angle, and both sandblasting/alkali-heating and sandblasting/acid-etching significantly decreased surface roughness and heterogeneity compared with selective laser melting. Surface modifications of selective laser melting-produced titanium altered bone marrow-derived monocyte morphology and suppressed bone marrow-derived monocyte proliferation and osteoclastogenesis in vitro (sandblasting/alkali-heating>sandblasting/acid-etching>selective laser melting). These surface modifications reduced the activation of extracellular signal-regulated kinase and c-Jun N-terminal kinases compared to native-selective laser melting. Sandblasting/alkali-heating additionally blocked tumor necrosis factor receptor-associated factor 6 recruitment. The results suggested that sandblasting/alkali-heating and sandblasting/acid-etching modifications on selective laser melting titanium could inhibit osteoclast differentiation through suppressing extracellular signal-regulated kinase and c-Jun N-terminal kinase phosphorylation in mitogen-activated protein kinase signaling pathway and provide a promising technique which might reduce peri-implant bone resorption for optimizing native-selective laser melting implants.
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Affiliation(s)
- Jiamin Yang
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, PR China.,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, PR China
| | - Xiaolin Yu
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, PR China.,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, PR China
| | - Zhengchuan Zhang
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, PR China.,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, PR China
| | - Ruogu Xu
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, PR China.,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, PR China
| | - Fan Wu
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, PR China.,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, PR China
| | - Tianlu Wang
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, PR China.,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, PR China
| | - Yun Liu
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, PR China.,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, PR China
| | - Jianglin Ouyang
- Guangzhou Institute of Advanced Technology, Chinese Academy of Science, Guangzhou, PR China.,Guangzhou Janus Biotechnology Co., Ltd, Chinese Academy of Sciences, Guangzhou, PR China
| | - Feilong Deng
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, PR China.,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, PR China
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11
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Liu L, Zeng D, Chen Y, Zhou J, Liao Y, Shi B. Microarc oxidation surface of titanium implants promote osteogenic differentiation by activating ERK1/2-miR-1827-Osterix. In Vitro Cell Dev Biol Anim 2020; 56:296-306. [PMID: 32270391 DOI: 10.1007/s11626-020-00444-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 03/16/2020] [Indexed: 11/25/2022]
Abstract
There has been a constant requirement from the clinic to develop biomedical titanium (Ti) implants with high osteogenic ability. In this study, we clarified a novel mechanism of how MAO (microarc oxidation) coating of Ti implants facilitates osteogenic differentiation of human bone marrow mesenchymal stem cells (hB-MSCs) by activating ERK1/2-miR-1827-Osterix signaling pathway in vitro. MAO surface of titanium implant was more favorable to promote osteogenic differentiation than SLA and AOS coating. Besides, titanium implants regulated hB-MSCs osteogenesis through the p38 MAPK pathway and ERK1/2 might be the most efficient target. Furthermore, MAO coating induced osteogenic differentiation though ERK1/2-miR-1827 pathway. Finally, we verified miR-1827 regulated osteogenic differentiation partially through Osterix. Our study reveals novel insights that MAO surface of titanium implant is a prior choice for biomedical trial and for its use in periprosthetic osteolysis (PIO) treatment in an evidence-based rationale.
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Affiliation(s)
- Liu Liu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Laboratory of Facial Plastic and Reconstruction, Fujian Medical University, No. 20, Chazhong Road, Fuzhou, 350005, Fujian, China
- School and Hospital of Stomatology, Fujian Medical University, Fuzhou, Fujian, China
| | - Da Zeng
- Xiamen Medical Device Research & Testing center, Xiamen, Fujian, China
| | - Yanwen Chen
- Xiamen Medical Device Research & Testing center, Xiamen, Fujian, China
| | - Junbo Zhou
- Department of stomatology, Nanjing Integrated Traditional Chinese and Western Medicine Hospital, Nanjing University of Traditional Chinese Medicine, Nanjing, Jiangsu, China
| | - Yunyang Liao
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Laboratory of Facial Plastic and Reconstruction, Fujian Medical University, No. 20, Chazhong Road, Fuzhou, 350005, Fujian, China
| | - Bin Shi
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital, Laboratory of Facial Plastic and Reconstruction, Fujian Medical University, No. 20, Chazhong Road, Fuzhou, 350005, Fujian, China.
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12
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Chen F, Wang M, Wang J, Chen X, Li X, Xiao Y, Zhang X. Effects of hydroxyapatite surface nano/micro-structure on osteoclast formation and activity. J Mater Chem B 2019; 7:7574-7587. [PMID: 31729515 DOI: 10.1039/c9tb01204d] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The surface structure of calcium phosphate (CaP) ceramic plays an important role in its osteoinductivity; however, little is known about its effects on osteoclastogenesis. In this study, an intramuscular implantation model suggested a potential relationship between hydroxyapatite (HA)-induced bone formation and osteoclast appearance in the non-osseous site, which might be modulated by scaffold surface structure. Then, three dense HA discs with different grain sizes from biomimetic nanoscale (∼100 nm) to submicron scale (∼500 nm) were fabricated via distinct sintering procedures, and their impacts on osteoclastic differentiation of RAW 264.7 macrophages under RANKL stimulation were further investigated. Our results showed that compared with the ones in the submicron-scale dimension, nano-structured HA discs markedly impaired osteoclastic formation and function, as evidenced by inhibited cell fusion, reduced osteoclast size, less-defined actin ring, increased osteoclast apoptosis, suppressed expression of osteoclast specific genes and proteins, decreased TRAP-positive cells, and hampered resorption activity. This demonstrated that the surface structure of CaP ceramics has a great influence on osteoclastogenesis, which might be further related to its osteoinductive capacity. These findings might not only help us gain insight into biomolecular events during CaP-involved osteoinduction, but also offer a principle for designing orthopaedic implants with an ability of regulating both osteogenesis and osteoclastogenesis to achieve the desired performance.
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Affiliation(s)
- Fuying Chen
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Menglu Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Jing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Xuening Chen
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Xiangfeng Li
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Yumei Xiao
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China.
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13
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Pettersson M, Pettersson J, Molin Thorén M, Johansson A. Effect of cobalt ions on the interaction between macrophages and titanium. J Biomed Mater Res A 2019; 106:2518-2530. [PMID: 29708655 PMCID: PMC6175091 DOI: 10.1002/jbm.a.36447] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 04/12/2018] [Accepted: 04/25/2018] [Indexed: 12/12/2022]
Abstract
Inflammation and bone reduction around dental implants are described as peri‐implantitis and can be caused by an inflammatory response against bacterial products and toxins. Titanium (Ti) forms aggregates with serum proteins, which activate and cause release of the cytokine interleukin (IL‐1β) from human macrophages. It was hypothesized that cobalt (Co) ions can interact in the formation of pro‐inflammatory aggregates, formed by titanium. To test this hypothesis, we differentiated THP‐1 cells into macrophages and exposed them to Ti ions alone or in combination with Co ions to investigate if IL‐1β release and cytotoxicity were affected. We also investigated aggregate formation, cell uptake and human biopsies with inductively coupled plasma atomic emission spectroscopy and electron microscopy. Co at a concentration of 100 µM neutralized the IL‐1β release from human macrophages and affected the aggregate formation. The aggregates formed by Ti could be detected in the cytosol of macrophages. In the presence of Co, the Ti‐induced aggregates were located in the cytosol of the cultured macrophages, but outside the lysosomal structures. It is concluded that Co can neutralize the Ti‐induced activation and release of active IL‐1β from human macrophages in vitro. Also, serum proteins are needed for the formation of metal‐protein aggregates in cell medium. Furthermore, the structures of the aggregates as well as the localisation after cellular uptake differ if Co is present in a Ti solution. Phagocytized aggregates with a similar appearance seen in vitro with Ti present, were also visible in a sample from human peri‐implant tissue. © 2018 The Authors Journal of Biomedical Materials Research Part A Published by Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A:2518–2530, 2018.
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Affiliation(s)
| | - Jean Pettersson
- Analytic Chemistry, BMC, Department of Chemistry, Uppsala University, Sweden
| | | | - Anders Johansson
- Molecular Periodontology, Department of Odontology, Faculty of Medicine, Umeå University, Sweden
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14
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Jeong H, Asai J, Ushida T, Furukawa KS. Assessment of the Inner Surface Microstructure of Decellularized Cortical Bone by a Scanning Electron Microscope. Bioengineering (Basel) 2019; 6:E86. [PMID: 31546952 PMCID: PMC6784054 DOI: 10.3390/bioengineering6030086] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 09/12/2019] [Accepted: 09/13/2019] [Indexed: 01/29/2023] Open
Abstract
The microstructural changes of bones, which form a hierarchy of skeletal tissue, vary, depending on their condition, and are affected by the behaviors of bone cells. The purpose of this study is to assess the microstructural changes in the inner femoral surface of Sprague Dawley rats according to the conditions using a scanning electron microscope. Microstructural differences on the endocortical surface were observed in the characteristics of osteocytic canaliculi, bone fibers, and surface roughness, showing a rougher surface in old adults and an osteoporosis model by quantitative comparison. These results could be helpful for developing a basic understanding of the microstructural changes that occur on the bone surface under various conditions.
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Affiliation(s)
- Heonuk Jeong
- Department of Bioengineering, University of Tokyo, Hongo 7-3-1, Tokyo 113-8654, Japan.
| | - Jungo Asai
- Department of Mechanical Engineering, University of Tokyo, Hongo 7-3-1, Tokyo 113-8654, Japan.
| | - Takashi Ushida
- Department of Mechanical Engineering, University of Tokyo, Hongo 7-3-1, Tokyo 113-8654, Japan.
| | - Katsuko S Furukawa
- Department of Bioengineering, University of Tokyo, Hongo 7-3-1, Tokyo 113-8654, Japan.
- Department of Mechanical Engineering, University of Tokyo, Hongo 7-3-1, Tokyo 113-8654, Japan.
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15
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16
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Kong L, Smith W, Hao D. Overview of RAW264.7 for osteoclastogensis study: Phenotype and stimuli. J Cell Mol Med 2019; 23:3077-3087. [PMID: 30892789 PMCID: PMC6484317 DOI: 10.1111/jcmm.14277] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 02/13/2019] [Accepted: 02/16/2019] [Indexed: 12/25/2022] Open
Abstract
Bone homeostasis is preserved by the balance of maintaining between the activity of osteogenesis and osteoclastogenesis. However, investigations for the osteoclastogenesis were hampered by considerable difficulties associated with isolating and culturing osteoclast in vivo. As the alternative, stimuli‐induced osteoclasts formation from RAW264.7 cells (RAW‐OCs) have gain its importance for extensively osteoclastogenic study of bone diseases, such as rheumatoid arthritis, osteoporosis, osteolysis and periodontitis. However, considering the RAW‐OCs have not yet been well‐characterized and RAW264.7 cells are polymorphic because of a diverse phenotype of the individual cells comprising this cell linage, and different fate associated with various stimuli contributions. Thus, in present study, we provide an overview for current knowledge of the phenotype of RAW264.7 cells, as well as the current understanding of the complicated interactions between various stimuli and RAW‐OCs in the light of the recent progress.
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Affiliation(s)
- Lingbo Kong
- Department of Spine, School of Medicine, Honghui-hospital, Xi'an Jiaotong University, Xi'an, China
| | - Wanli Smith
- Department of Neuroscience, Johns Hopkins University, Baltimore, Maryland
| | - Dingjun Hao
- Department of Spine, School of Medicine, Honghui-hospital, Xi'an Jiaotong University, Xi'an, China
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17
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Zhang Y, Chen SE, Shao J, van den Beucken JJJP. Combinatorial Surface Roughness Effects on Osteoclastogenesis and Osteogenesis. ACS APPLIED MATERIALS & INTERFACES 2018; 10:36652-36663. [PMID: 30270615 PMCID: PMC6213029 DOI: 10.1021/acsami.8b10992] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Implant surface properties are a key factor in bone responses to metallic bone implants. In view of the emerging evidence on the important role of osteoclasts in bone regeneration, we here studied how surface roughness affects osteoclastic differentiation and to what extent these osteoclasts have stimulatory effects on osteogenic differentiation of osteoprogenitor cells. For this, we induced osteoclasts derived from RAW264.7 cell line and primary mouse macrophages on titanium surfaces with different roughness ( Ra 0.02-3.63 μm) and analyzed osteoclast behavior in terms of cell number, morphology, differentiation, and further anabolic effect on osteoblastic cells. Surfaces with different roughness induced the formation of osteoclasts with distinct phenotypes, based on total osteoclast numbers, morphology, size, cytoskeletal organization, nuclearity, and osteoclastic features. Furthermore, these different osteoclast phenotypes displayed differential anabolic effects toward the osteogenic differentiation of osteoblastic cells, for which the clastokine CTHRC1 was identified as a causative factor. Morphologically, osteoclast potency to stimulate osteogenic differentiation of osteoblastic cells was found to logarithmically correlate with the nuclei number per osteoclast. Our results demonstrate the existence of a combinatorial effect of surface roughness, osteoclastogenesis, and osteogenic differentiation. These insights open up a new dimension for designing and producing metallic implants by considering the implant roughness to locally regulate osseointegration through coupling osteoclastogenesis with osteogenesis.
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Affiliation(s)
- Yang Zhang
- Department
of Biomaterials, Radboudumc, Nijmegen 6525 GA, The Netherlands
| | - S. Elisa Chen
- Department
of Biomaterials, Radboudumc, Nijmegen 6525 GA, The Netherlands
- Department
of Veterinary Medical Science, University
of Bologna, Bologna 40126, Italy
| | - Jinlong Shao
- Department
of Biomaterials, Radboudumc, Nijmegen 6525 GA, The Netherlands
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18
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Wang Y, Zhang C, Xu W, Wang B, Lan Y, Yu M, Wang P, Xie Z. The effect of surface immobilized NBD peptide on osteoclastogenesis of rough titanium plates in vitro and osseointegration of rough titanium implants in ovariectomized rats in vivo. RSC Adv 2018; 8:22853-22865. [PMID: 35539717 PMCID: PMC9081414 DOI: 10.1039/c8ra03116a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 06/14/2018] [Indexed: 01/08/2023] Open
Abstract
Successful osseointegration in dental implants depends on balanced activation of osteoclasts and osteoblasts. Osteoporosis up-regulates osteoclast activity, so it is desirable to find effective interventions to inhibit osteoclastogenesis and enhance the osseointegration of implants under these conditions. It has been reported that the NF-κB essential modulator (NEMO)-binding domain (NBD) peptide can prevent osteoclast formation and bone resorption. In this study, we conjugated NBD peptide onto the surface of rough pure titanium (Ti) using the layer by layer technique. We analyzed the surface characteristics and determined the successful NBD integration by the presence of trivial granular structures, increased S elements and hydrophilia. Importantly, we first reported that Ti surface-conjugated NBD peptide retained its inhibitory effects on osteoclastogenesis by reducing osteoclast sealing zone formation and function. These effects were mediated by a reduction in NFATc1 expression, which in turn regulated integrin ανβ3 and MMP9 by targeting the P65 signaling pathway. In vivo TRAP staining suggested NBD-coating decreased osteoclast formation with less pseudopodia. Micro-CT and histomorphometric analysis demonstrated that NBD-coating enhanced pronounced osseointegration in vivo in ovariectomized rats. This study holds great promise for in vivo use of immobilized NBD peptide and offers an effective therapeutic approach to select more suitable Ti-implant surface modifications for improving implant osseointegration in osteoporotic patients. Successful osseointegration in dental implants depends on balanced activation of osteoclasts and osteoblasts.![]()
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Affiliation(s)
- Yu Wang
- Department of Implantology, Affiliated Hospital of Stomatology, Medical College, Zhejiang University Hangzhou P. R. China
| | - Chen Zhang
- Department of Oral Medicine, Affiliated Hospital of Stomatology, Medical College, Zhejiang University Hangzhou P. R. China
| | - Weijian Xu
- Department of Oral Medicine, Affiliated Hospital of Stomatology, Medical College, Zhejiang University Hangzhou P. R. China
| | - Baixiang Wang
- Department of Implantology, Affiliated Hospital of Stomatology, Medical College, Zhejiang University Hangzhou P. R. China
| | - Yanhua Lan
- Department of Oral Medicine, Affiliated Hospital of Stomatology, Medical College, Zhejiang University Hangzhou P. R. China
| | - Mengfei Yu
- Department of Implantology, Affiliated Hospital of Stomatology, Medical College, Zhejiang University Hangzhou P. R. China
| | - Pinger Wang
- Zhejiang Chinese Medical University Hangzhou P. R. China
| | - Zhijian Xie
- Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Medical College, Zhejiang University Hangzhou P. R. China
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19
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Modulation of Osteoclast Interactions with Orthopaedic Biomaterials. J Funct Biomater 2018; 9:jfb9010018. [PMID: 29495358 PMCID: PMC5872104 DOI: 10.3390/jfb9010018] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 02/11/2018] [Accepted: 02/13/2018] [Indexed: 12/17/2022] Open
Abstract
Biomaterial integration in bone depends on bone remodelling at the bone-implant interface. Optimal balance of bone resorption by osteoclasts and bone deposition by osteoblasts is crucial for successful implantation, especially in orthopaedic surgery. Most studies examined osteoblast differentiation on biomaterials, yet few research has been conducted to explore the effect of different orthopaedic implants on osteoclast development. This review covers, in detail, the biology of osteoclasts, in vitro models of osteoclasts, and modulation of osteoclast activity by different implant surfaces, bio-ceramics, and polymers. Studies show that surface topography influence osteoclastogenesis. For instance, metal implants with rough surfaces enhanced osteoclast activity, while smooth surfaces resulted in poor osteoclast differentiation. In addition, surface modification of implants with anti-osteoporotic drug further decreased osteoclast activity. In bioceramics, osteoclast development depended on different chemical compositions. Strontium-incorporated bioceramics decreased osteoclast development, whereas higher concentrations of silica enhanced osteoclast activity. Differences between natural and synthetic polymers also modulated osteoclastogenesis. Physiochemical properties of implants affect osteoclast activity. Hence, understanding osteoclast biology and its response to the natural microarchitecture of bone are indispensable to design suitable implant interfaces and scaffolds, which will stimulate osteoclasts in ways similar to that of native bone.
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20
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Pettersson M, Pettersson J, Molin Thorén M, Johansson A. Release of titanium after insertion of dental implants with different surface characteristics - an ex vivo animal study. ACTA BIOMATERIALIA ODONTOLOGICA SCANDINAVICA 2017; 3:63-73. [PMID: 29242814 PMCID: PMC5724801 DOI: 10.1080/23337931.2017.1399270] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 10/27/2017] [Indexed: 12/27/2022]
Abstract
In the present study, amount of titanium (Ti) released into the surrounding bone during placement of implants with different surface structure was investigated. Quantification of Ti released during insertion from three different implants was performed in this ex vivo study. Jaw bone from pigs was used as model for installation of the implants and Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) was used for analysis of the released Ti. Implant surface were examined with scanning electron microscopy (SEM), before and after the placement into the bone. Ti was abraded to the surrounding bone upon insertion of a dental implant and the surface roughness of the implant increased the amount of Ti found. Diameter and total area of the implant were of less importance for the Ti released to the bone. No visible damages to the implant surfaces could be identified in SEM after placement.
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Affiliation(s)
- Mattias Pettersson
- Prosthetic Dentistry, Department of Odontology, Faculty of Medicine, Umeå UniversitySweden
| | - Jean Pettersson
- Analytic Chemistry, BMC, Department of Chemistry, Uppsala UniversitySweden
| | - Margareta Molin Thorén
- Prosthetic Dentistry, Department of Odontology, Faculty of Medicine, Umeå UniversitySweden
| | - Anders Johansson
- Molecular Periodontology, Department of Odontology, Faculty of Medicine, Umeå UniversitySweden
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21
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Andrukhov O, Huber R, Shi B, Berner S, Rausch-Fan X, Moritz A, Spencer ND, Schedle A. Proliferation, behavior, and differentiation of osteoblasts on surfaces of different microroughness. Dent Mater 2016; 32:1374-1384. [PMID: 27637551 DOI: 10.1016/j.dental.2016.08.217] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 08/16/2016] [Accepted: 08/16/2016] [Indexed: 12/16/2022]
Abstract
OBJECTIVES Titanium surface roughness is recognized as an important parameter influencing osseointegration. However, studies concerning the effect of well-defined surface topographies of titanium surfaces on osteoblasts have been limited in scope. In the present study we have investigated how Ti surfaces of different micrometer-scale roughness influence proliferation, migration, and differentiation of osteoblasts in-vitro. METHODS Titanium replicas with surface roughnesses (Ra) of approximately 0, 1, 2, and 4μm were produced and MG-63 osteoblasts were cultured on these surfaces for up to 5 days. The effect of surface micrometer-scale roughness on proliferation, migration in time-lapse microscopy experiments, as well as the expression of alkaline phosphatase, osteocalcin, vascular-endothelial growth factor (VEGF), osteoprotegerin (OPG), and receptor activator of nuclear factor kappa-B ligand (RANKL) were investigated. RESULTS Proliferation of MG-63 cells was found to decrease gradually with increasing surface roughness. However, the highest expression of alkaline phosphatase, osteocalcin and VEGF was observed on surfaces with Ra values of approximately 1 and 2μm. Further increase in surface roughness resulted in decreased expression of all investigated parameters. The cell migration speed measured in time-lapse microscopy experiments was significantly lower on surfaces with a Ra value of about 4μm, compared to those with lower roughness. No significant effect of surface roughness on the expression of OPG and RANKL was observed. SIGNIFICANCE Thus, surfaces with intermediate Ra roughness values of 1-2μm seem to be optimal for osteoblast differentiation. Neither proliferation nor differentiation of osteoblasts appears to be supported by surfaces with higher or lower Ra values.
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Affiliation(s)
- Oleh Andrukhov
- Division of Conservative Dentistry and Periodontology, School of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Rebecca Huber
- Department of Materials, Laboratory for Surface Science and Technology, ETH Zurich, Zurich, Switzerland
| | - Bin Shi
- Division of Conservative Dentistry and Periodontology, School of Dentistry, Medical University of Vienna, Vienna, Austria; Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian, China
| | | | - Xiaohui Rausch-Fan
- Division of Conservative Dentistry and Periodontology, School of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Andreas Moritz
- Division of Conservative Dentistry and Periodontology, School of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Nicholas D Spencer
- Department of Materials, Laboratory for Surface Science and Technology, ETH Zurich, Zurich, Switzerland
| | - Andreas Schedle
- Division of Conservative Dentistry and Periodontology, School of Dentistry, Medical University of Vienna, Vienna, Austria.
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22
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Shuto T, Nakatani T, Okamoto K, Saizaki N, Mimura S, Kunitsugu S, Nikawa H. Differentiation of Osteoblast and Osteoclast Cells on Hydrogenated-Tetrahedral Amorphous Carbon Coated Titanium. J PHOTOPOLYM SCI TEC 2016. [DOI: 10.2494/photopolymer.29.413] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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23
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Miron RJ, Bosshardt DD. OsteoMacs: Key players around bone biomaterials. Biomaterials 2015; 82:1-19. [PMID: 26735169 DOI: 10.1016/j.biomaterials.2015.12.017] [Citation(s) in RCA: 203] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 12/12/2015] [Accepted: 12/15/2015] [Indexed: 12/12/2022]
Abstract
Osteal macrophages (OsteoMacs) are a special subtype of macrophage residing in bony tissues. Interesting findings from basic research have pointed to their vast and substantial roles in bone biology by demonstrating their key function in bone formation and remodeling. Despite these essential findings, much less information is available concerning their response to a variety of biomaterials used for bone regeneration with the majority of investigation primarily focused on their role during the foreign body reaction. With respect to biomaterials, it is well known that cells derived from the monocyte/macrophage lineage are one of the first cell types in contact with implanted biomaterials. Here they demonstrate extremely plastic phenotypes with the ability to differentiate towards classical M1 or M2 macrophages, or subsequently fuse into osteoclasts or multinucleated giant cells (MNGCs). These MNGCs have previously been characterized as foreign body giant cells and associated with biomaterial rejection, however more recently their phenotypes have been implicated with wound healing and tissue regeneration by studies demonstrating their expression of key M2 markers around biomaterials. With such contrasting hypotheses, it becomes essential to better understand their roles to improve the development of osteo-compatible and osteo-promotive biomaterials. This review article expresses the necessity to further study OsteoMacs and MNGCs to understand their function in bone biomaterial tissue integration including dental/orthopedic implants and bone grafting materials.
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Affiliation(s)
- Richard J Miron
- Department of Oral Surgery and Stomatology, Department of Periodontology, University of Bern, Freiburgstrasse 7, 3010 Bern, Switzerland.
| | - Dieter D Bosshardt
- Department of Oral Surgery and Stomatology, Department of Periodontology, University of Bern, Freiburgstrasse 7, 3010 Bern, Switzerland.
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24
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McDaniel C, Gladkovskaya O, Flanagan A, Rochev Y, O'Connor GM. In vitro study on the response of RAW264.7 and MS-5 fibroblast cells on laser-induced periodic surface structures for stainless steel alloys. RSC Adv 2015. [DOI: 10.1039/c5ra04342e] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Cell attachment and growth can be controlled by stent surface topography. In some cases fibroblast cells attach while monocytes failed on the structured surface of Pt:SS and 316LSS stents.
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Affiliation(s)
- Clare McDaniel
- NCLA/Inspire Laboratories
- School
- of Physics
- National University of Ireland Galway
- University Road
| | - Olga Gladkovskaya
- NCLA/Inspire Laboratories
- School
- of Physics
- National University of Ireland Galway
- University Road
| | - Aiden Flanagan
- Boston Scientific – Galway Ballybrit Business Park Ballybrit
- Galway
- Ireland
| | - Yury Rochev
- National University of Ireland, Galway
- Network of Excellence for Functional Biomaterials (NFB)
- School of Chemistry
- Galway
- Ireland
| | - Gerard M. O'Connor
- NCLA/Inspire Laboratories
- School
- of Physics
- National University of Ireland Galway
- University Road
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25
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Wachi T, Shuto T, Shinohara Y, Matono Y, Makihira S. Release of titanium ions from an implant surface and their effect on cytokine production related to alveolar bone resorption. Toxicology 2014; 327:1-9. [PMID: 25446332 DOI: 10.1016/j.tox.2014.10.016] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 10/30/2014] [Accepted: 10/30/2014] [Indexed: 01/01/2023]
Abstract
Although interest in peri-implant mucositis and peri-implantitis has recently been increasing, the mechanisms driving these diseases remain unknown. Here, the effects of titanium ions on the inflammation and bone resorption around an implant were investigated. First, the accumulated amount of Ti ions released into gingival and bone tissues from an implant exposed to sodium fluoride solution was measured using inductively coupled plasma mass spectrometry. Next, the cellular responses in gingival and bone tissues to Ti ions and/or Porphyromonas gingivalis-lipopolysaccharide (P. gingivalis-LPS) were assessed using a rat model. More Ti ions were detected in the gingival tissues around an implant after treatment with sodium fluoride (pH 4.2) than in its absence, which suggests that the fluoride corroded the implant surface under salivary buffering capacity. The injection of Ti ions (9ppm) significantly increased the mRNA expression and protein accumulation of chemokine (C-C motif) ligand 2, as well as the ratio of receptor activator of nuclear factor-κB ligand to osteoprotegerin, in rat gingival tissues exposed to P. gingivalis-LPS in a synergistic manner. In addition, the enhanced localization of toll-like receptor 4, which is an LPS receptor, was observed in gingival epithelium loaded with Ti ions (9ppm). These data suggest that Ti ions may be partly responsible for the infiltration of monocytes and osteoclast differentiation by increasing the sensitivity of gingival epithelial cells to microorganisms in the oral cavity. Therefore, Ti ions may be involved in the deteriorating effects of peri-implant mucositis, which can develop into peri-implantitis accompanied by alveolar bone resorption.
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Affiliation(s)
- Takanori Wachi
- Section of Fixed Prosthodontics, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Takahiro Shuto
- Section of Fixed Prosthodontics, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Yoshinori Shinohara
- Section of Fixed Prosthodontics, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Yoshinari Matono
- Section of Fixed Prosthodontics, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Seicho Makihira
- Section of Fixed Prosthodontics, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
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26
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Davison NL, ten Harkel B, Schoenmaker T, Luo X, Yuan H, Everts V, Barrère-de Groot F, de Bruijn JD. Osteoclast resorption of beta-tricalcium phosphate controlled by surface architecture. Biomaterials 2014; 35:7441-51. [PMID: 24927681 DOI: 10.1016/j.biomaterials.2014.05.048] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Accepted: 05/16/2014] [Indexed: 01/13/2023]
Abstract
A resorbable bone graft substitute should mimic native bone in its capacity to support bone formation and be remodeled by osteoclasts (OCl) or other multinucleated cells such as foreign body giant cells (FBGC). We hypothesize that by changing the scale of surface architecture of beta-tricalcium phosphate (TCP), cellular resorption can be influenced. CD14(+) monocyte precursors were isolated from human peripheral blood (n = 4 independent donors) and differentiated into OCl or FBGC on the surface of TCP discs comprising either submicron- or micron-scale surface topographical features (TCPs and TCPb, respectively). On submicrostructured TCPs, OCl survived, fused, differentiated, and extensively resorbed the substrate; however, on microstructured TCPb, OCl survival, TRAP activation, and fusion were attenuated. Importantly, no resorption was observed on microstructured TCPb. By confocal microscopy, OCl formed on TCPs contained numerous actin rings allowing for resorption, but not on TCPb. In comparison, FBGC could not resorb either TCP material, suggesting that osteoclast-specific machinery is necessary to resorb TCP. By tuning surface architecture, it appears possible to control osteoclast resorption of calcium phosphate. This approach presents a useful strategy in the design of resorbable bone graft substitutes.
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Affiliation(s)
- Noel L Davison
- MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, 7522 NB Enschede, Netherlands; Xpand Biotechnology BV, 3723 MB Bilthoven, Netherlands.
| | - Bas ten Harkel
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), MOVE Research Institute, University of Amsterdam and VU University Amsterdam, 1081 BT Amsterdam, Netherlands
| | - Ton Schoenmaker
- Department of Periodontology, Academic Centre for Dentistry Amsterdam (ACTA), MOVE Research Institute, University of Amsterdam and VU University Amsterdam, 1081 BT Amsterdam, Netherlands
| | - Xiaoman Luo
- MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, 7522 NB Enschede, Netherlands; Xpand Biotechnology BV, 3723 MB Bilthoven, Netherlands
| | - Huipin Yuan
- MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, 7522 NB Enschede, Netherlands; Xpand Biotechnology BV, 3723 MB Bilthoven, Netherlands
| | - Vincent Everts
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), MOVE Research Institute, University of Amsterdam and VU University Amsterdam, 1081 BT Amsterdam, Netherlands
| | | | - Joost D de Bruijn
- MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente, 7522 NB Enschede, Netherlands; Xpand Biotechnology BV, 3723 MB Bilthoven, Netherlands; School of Engineering and Materials Science (SEMS), Queen Mary University of London, E1 4NS London, United Kingdom
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Mine Y, Nakatani T, Okamoto K, Hara S, Takagi K, Nikawa H. Impact of Biomimetic Diamond-like Carbon coated Titanium on Osteoblast and Osteoclast Differentiation in vitro. J PHOTOPOLYM SCI TEC 2014. [DOI: 10.2494/photopolymer.27.373] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Rumpler M, Würger T, Roschger P, Zwettler E, Sturmlechner I, Altmann P, Fratzl P, Rogers MJ, Klaushofer K. Osteoclasts on bone and dentin in vitro: mechanism of trail formation and comparison of resorption behavior. Calcif Tissue Int 2013; 93:526-39. [PMID: 24022329 PMCID: PMC3827903 DOI: 10.1007/s00223-013-9786-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Accepted: 08/20/2013] [Indexed: 11/26/2022]
Abstract
The main function of osteoclasts in vivo is the resorption of bone matrix, leaving behind typical resorption traces consisting of pits and trails. The mechanism of pit formation is well described, but less is known about trail formation. Pit-forming osteoclasts possess round actin rings. In this study we show that trail-forming osteoclasts have crescent-shaped actin rings and provide a model that describes the detailed mechanism. To generate a trail, the actin ring of the resorption organelle attaches with one side outside the existing trail margin. The other side of the ring attaches to the wall inside the trail, thus sealing that narrow part to be resorbed next (3–21 lm). This 3D configuration allows vertical resorption layer-by-layer from the surface to a depth in combination with horizontal cell movement. Thus, trails are not just traces of a horizontal translation of osteoclasts during resorption. Additionally, we compared osteoclastic resorption on bone and dentin since the latter is the most frequently used in vitro model and data are extrapolated to bone. Histomorphometric analyses revealed a material-dependent effect reflected by an 11-fold higher resorption area and a sevenfold higher number of pits per square centimeter on dentin compared to bone. An important material-independent aspect was reflected by comparable mean pit area (μm²) and podosome patterns. Hence, dentin promotes the generation of resorbing osteoclasts, but once resorption has started, it proceeds independently of material properties. Thus, dentin is a suitable model substrate for data acquisition as long as osteoclast generation is not part of the analyses.
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Affiliation(s)
- M. Rumpler
- 1st Medical Department, Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Center, Hanusch-Krankenhaus, Pav. III, UG, Heinrich Collin Strasse 30, 1140 Vienna, Austria
| | - T. Würger
- 1st Medical Department, Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Center, Hanusch-Krankenhaus, Pav. III, UG, Heinrich Collin Strasse 30, 1140 Vienna, Austria
| | - P. Roschger
- 1st Medical Department, Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Center, Hanusch-Krankenhaus, Pav. III, UG, Heinrich Collin Strasse 30, 1140 Vienna, Austria
| | - E. Zwettler
- 1st Medical Department, Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Center, Hanusch-Krankenhaus, Pav. III, UG, Heinrich Collin Strasse 30, 1140 Vienna, Austria
| | - I. Sturmlechner
- 1st Medical Department, Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Center, Hanusch-Krankenhaus, Pav. III, UG, Heinrich Collin Strasse 30, 1140 Vienna, Austria
| | - P. Altmann
- 1st Medical Department, Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Center, Hanusch-Krankenhaus, Pav. III, UG, Heinrich Collin Strasse 30, 1140 Vienna, Austria
| | - P. Fratzl
- Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, Potsdam, Germany
| | - M. J. Rogers
- The Garvan Institute of Medical Research, Darlinghurst, NSW Australia
| | - K. Klaushofer
- 1st Medical Department, Ludwig Boltzmann Institute of Osteology at the Hanusch Hospital of WGKK and AUVA Trauma Center, Hanusch-Krankenhaus, Pav. III, UG, Heinrich Collin Strasse 30, 1140 Vienna, Austria
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Marei MK, Nagy NB, Saad MS, Zaky SH, Elbackly RM, Eweida AM, Alkhodary MA. Strategy for a Biomimetic Paradigm in Dental and Craniofacial Tissue Engineering. Biomimetics (Basel) 2013. [DOI: 10.1002/9781118810408.ch6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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30
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Response of Osteoclasts to Titanium Surfaces with Increasing Surface Roughness: An In Vitro Study. Biointerphases 2012; 7:34. [DOI: 10.1007/s13758-012-0034-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2012] [Accepted: 04/23/2012] [Indexed: 11/25/2022] Open
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Hydroxyapatite surface roughness: complex modulation of the osteoclastogenesis of human precursor cells. Acta Biomater 2012; 8:1137-45. [PMID: 22178652 DOI: 10.1016/j.actbio.2011.11.032] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2011] [Revised: 11/27/2011] [Accepted: 11/29/2011] [Indexed: 12/20/2022]
Abstract
It is recognized that the surface roughness affects osteoblastic differentiation, but little information is available regarding its effect on osteoclastogenesis. With this work, the osteoclastogenic behaviour of human peripheral blood mononuclear cells (PBMCs), cultured isolated (1.5×10(6)cellscm(-2)) or co-cultured with human bone marrow cells (hBMCs; 10(3)cellscm(-2)), was assessed on surface-abraded hydroxyapatite disks with three different surface roughnesses (R(a) 0.0437-0.582 μm). Monocultures and co-cultures were performed for 21 days in the absence or presence of recombinant M-CSF and RANKL. Results showed that PBMCs supplemented with M-CSF and RANKL or co-cultured with hBMCs displayed typical osteoclastic features, i.e. multinucleated cells with actin rings, vitronectin and calcitonin receptors, gene expression of TRAP, cathepsin K, carbonic anhydrase 2, c-myc and c-src, TRAP activity and resorbing activity. The osteoclastogenic response increased with surface roughness in PBMCs cultured with M-CSF and RANKL but decreased in PBMCs co-cultured with hBMCs. However, co-cultures supplemented with the osteoclastogenic inducers displayed high and similar levels of osteoclast differentiation in the three tested surfaces. In conclusion, modulation of osteoclast differentiation by surface roughness seemed to be dependent on the mechanisms subjacent to the osteoclastogenic stimulus, i.e. the presence of soluble factors or direct cell-to-cell contacts between osteoblastic and osteoclastic cells.
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Zheng Y, Wang L, Zhang X, Zhang X, Gu Z, Wu G. BMP2/7 Heterodimer Can Modulate All Cellular Events of the In Vitro RANKL-Mediated Osteoclastogenesis, Respectively, in Different Dose Patterns. Tissue Eng Part A 2012; 18:621-30. [PMID: 21981321 DOI: 10.1089/ten.tea.2011.0366] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Affiliation(s)
- Yuanna Zheng
- School of Stomatology/Hangzhou Dental Hospital, Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
- School/Hospital of Stomatology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
- Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), Research Institute MOVE, VU University and University of Amsterdam, Amsterdam, The Netherlands
| | - Linhong Wang
- Department of Stomatology, Zhejiang Provincial People's Hospital, Shangtang Road, Hangzhou, People's Republic of China
| | - Xiaodan Zhang
- School/Hospital of Stomatology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Xin Zhang
- School/Hospital of Stomatology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Zhiyuan Gu
- School of Stomatology/Hangzhou Dental Hospital, Zhejiang Chinese Medical University, Hangzhou, People's Republic of China
- School/Hospital of Stomatology, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Gang Wu
- Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), Research Institute MOVE, VU University and University of Amsterdam, Amsterdam, The Netherlands
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Yang B, Zhou H, Zhang XD, Liu Z, Fan FY, Sun YM. Effect of radiation on the expression of osteoclast marker genes in RAW264.7 cells. Mol Med Rep 2012; 5:955-8. [PMID: 22294242 PMCID: PMC3493054 DOI: 10.3892/mmr.2012.765] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2011] [Accepted: 01/20/2012] [Indexed: 12/02/2022] Open
Abstract
Cancer radiation therapy can cause skeletal complications, such as osteopenia and osteoporosis. To understand the mechanism responsible for the skeletal complications, the expression profiles of osteoclast marker genes in RAW264.7 cells were observed. Osteoclast formation was established by RAW264.7 cells that were treated with the receptor activator of nuclear factor (NF)-κB ligand (RANKL) and detected using immunochemistry and morphological observations. Quantitative real-time polymerase chain reaction was used to assess the expression of a panel of osteoclast markers, including the receptor activator of NF-κB (RANK), tartrate-resistant acid phosphatase (TRAP), integrin β3 and the calcitonin receptor (CTR). RANKL-induced osteoclasts were TRAP-positive and multinucleated, and displayed a distinct morphology. RANKL-induced osteoclast precursor cells had increased TRAP and RANK expression and decreased CTR expression compared to the control cells not treated with RANKL. RAW264.7 cells irradiated with 2-Gy γ-rays had upregulated integrin β3 and RANK expression and downregulated CTR expression compared to the control RAW264.7 cells. The effect of radiation on RANKL-induced osteoclast differentiation enhanced the expression of CTR and inhibited the expression of RANK and TRAP. Therefore, radiation damage from 2-Gy γ-rays can promote the activities of osteoclast precursor cells, but not those of osteoclasts.
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Affiliation(s)
- Bing Yang
- Tianjin Key Laboratory of Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Tianjin 300192, PR China
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Mine Y, Nakatani T, Okamoto K, Makihira S, Iwata S, Nikawa H. Biomimetic Diamond-like Carbon coated Titanium Inhibits RANKL-dependent Osteoclast Differentiation in vitro. J PHOTOPOLYM SCI TEC 2012. [DOI: 10.2494/photopolymer.25.523] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Geblinger D, Zink C, Spencer ND, Addadi L, Geiger B. Effects of surface microtopography on the assembly of the osteoclast resorption apparatus. J R Soc Interface 2011; 9:1599-608. [PMID: 22090285 DOI: 10.1098/rsif.2011.0659] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Bone degradation by osteoclasts depends on the formation of a sealing zone, composed of an interlinked network of podosomes, which delimits the degradation lacuna into which osteoclasts secrete acid and proteolytic enzymes. For resorption to occur, the sealing zone must be coherent and stable for extended periods of time. Using titanium roughness gradients ranging from 1 to 4.5 µm R(a) as substrates for osteoclast adhesion, we show that microtopographic obstacles of a length scale well beyond the range of the 'footprint' of an individual podosome can slow down sealing-zone expansion. A clear inverse correlation was found between ring stability, structural integrity and sealing-zone translocation rate. Direct live-cell microscopy indicated that the expansion of the sealing zone is locally arrested by steep, three-dimensional 'ridge-like barriers', running parallel to its perimeter. It was, however, also evident that the sealing zone can bypass such obstacles, if pulled by neighbouring regions, extending through flanking, obstacle-free areas. We propose that sealing-zone dynamics, while being locally regulated by surface roughness, are globally integrated via the associated actin cytoskeleton. The effect of substrate roughness on osteoclast behaviour is significant in relation to osteoclast function under physiological and pathological conditions, and may constitute an important consideration in the design of advanced bone replacements.
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Affiliation(s)
- Dafna Geblinger
- Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot 76100, Israel
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36
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Winkler T, Hoenig E, Gildenhaar R, Berger G, Fritsch D, Janssen R, Morlock M, Schilling A. Volumetric analysis of osteoclastic bioresorption of calcium phosphate ceramics with different solubilities. Acta Biomater 2010; 6:4127-35. [PMID: 20451677 DOI: 10.1016/j.actbio.2010.04.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2009] [Revised: 03/18/2010] [Accepted: 04/20/2010] [Indexed: 10/19/2022]
Abstract
Commonly, to determine osteoclastic resorption of biomaterials only the resorbed area is measured. The depth of the resorption pit, however, may also be important for the performance of a material. To generate such data we used two calcium phosphate ceramics (Ca(10) and Ca(2)). The solubility of the materials was determined according to DIN EN ISO 10993-14. They were scanned three-dimensionally using infinite focus microscopy and subsequently cultivated for 4 weeks in simulated body fluid without (control) or with human osteoclasts. After this cultivation period osteoclasts number was determined and surface changes were evaluated two- and three-dimensionally. Ca(10) and Ca(2) showed solubilities of 11.0+/-0.5 and 23.0+/-2.2 mgg(-1), respectively. Both materials induced a significant increase in osteoclast number. While Ca(10) did not show osteoclastic resorption, Ca(2) showed an increased pit area and pit volume due to osteoclastic action. This was caused by an increased average pit depth and an increased number of pits, while the average area of single pits did not change significantly. The deduced volumetric osteoclastic resorption rate (vORR) of Ca(2) (0.01-0.02 microm(3)microm(-2)day(-1)) was lower than the remodelling speed observed in vivo (0.08 microm(3)microm(-2)day(-1)), which is in line with the observation that implanted resorbable materials remain in the body longer than originally expected. Determination of volumetric indices of osteoclastic resorption might be valuable in obtaining additional information about cellular resorption of bone substitute materials. This may help facilitate the development of novel materials for bone substitution.
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Kanayama K, Sriarj W, Shimokawa H, Ohya K, Doi Y, Shibutani T. Osteoclast and Osteoblast Activities on Carbonate Apatite Plates in Cell Cultures. J Biomater Appl 2010; 26:435-49. [DOI: 10.1177/0885328210374672] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Previous studies have demonstrated that carbonate apatite (CA) is superior to hydroxyapatite (HA) and β-tricalciumphosphate (β-TCP) with regard to osteoclastic resorption, but evidence on osteoclast and osteoblast response remains controversial. In the present study, the expression of bone related mRNA is examined on CA, HA, β-TCP, and titanium plates. ICR mouse osteoblast cells are cocultured with ICR mouse bone marrow cells. Crude osteoclast-like cell-rich suspensions are then seeded onto plates and cultured for 48 h. Total RNA is extracted and mRNA expression is examined by real-time RT-PCR. Amounts of vacuolar-type ATPase, cathepsin K, and TRAP mRNA are significantly greater on CA than on the other plates. The amount of osteoprotegerin mRNA is significantly greater on CA than on the other plates. RANKL mRNA expression, which is generally regarded as an osteoblast maker, varies with material, but shows no significant differences between CA and the other plates. The formation and activity of osteoclasts is greater with CA than with the other plates. Thus, CA is superior to β-TCP as a bioresorbable bone substitute for tissue engineering.
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Affiliation(s)
- Keiichi Kanayama
- Department of Periodontology, Division of Oral Infections and Health Science Asahi University School of Dentistry, 1851, Hozumi, Mizuho Gifu 501-0296, Japan
| | - Wantida Sriarj
- Section of Developmental Oral Health Science, Department of Orofacial Development and Function, Graduate School, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyo-ku, Tokyo 113-8549, Japan
| | - Hitoyata Shimokawa
- Section of Pharmacology, Department of Hard Tissue Engineering Graduate School, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8549, Japan
| | - Keiichi Ohya
- Section of Pharmacology, Department of Hard Tissue Engineering Graduate School, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8549, Japan
| | - Yutaka Doi
- Department of Dental Materials Science, Division of Oral Functional Science and Rehabilitation, Asahi University School of Dentistry, 1851, Hozumi Mizuho, Gifu 501-0296, Japan
| | - Toshiaki Shibutani
- Department of Periodontology, Division of Oral Infections and Health Science Asahi University School of Dentistry, 1851, Hozumi, Mizuho Gifu 501-0296, Japan
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38
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Abstract
Bone resorption by osteoclasts depends on the assembly of a specialized, actin-rich adhesive 'sealing zone' that delimits the area designed for degradation. In this study, we show that the level of roughness of the underlying adhesive surface has a profound effect on the formation and stability of the sealing zone and the associated F-actin. As our primary model substrate, we use 'smooth' and 'rough' calcite crystals with average topography values of 12 nm and 530 nm, respectively. We show that the smooth surfaces induce the formation of small and unstable actin rings with a typical lifespan of approximately 8 minutes, whereas the sealing zones formed on the rough calcite surfaces are considerably larger, and remain stable for more than 6 hours. It was further observed that steps or sub-micrometer cracks on the smooth surface stimulate local ring formation, raising the possibility that similar imperfections on bone surfaces may stimulate local osteoclast resorptive activity. The mechanisms whereby the physical properties of the substrate influence osteoclast behavior and their involvement in osteoclast function are discussed.
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Affiliation(s)
- Dafna Geblinger
- Department of Structural Biology, Weizmann Institute of Science, Rehovot 76100, Israel
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Makihira S, Mine Y, Nikawa H, Shuto T, Kosaka E, Sugiyama M, Hosokawa R. Immobilized-OPG-Fc on a titanium surface inhibits RANKL-dependent osteoclast differentiation in vitro. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2010; 21:647-653. [PMID: 19834789 DOI: 10.1007/s10856-009-3891-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2008] [Accepted: 10/02/2009] [Indexed: 05/28/2023]
Abstract
The purpose of the present study was to examine the effect of osteoprotegerin (OPG)-Fc fusion protein immobilized on a titanium surface on the initial differentiation of osteoclast precursor RAW264.7 cells. These cells were cultured on titanium specimens over which OPG-Fc was immobilized. The enhancement of tartrate-resistant acid phosphatase (TRAP) and cathepsin K mRNA expression in RAW264.7 cells exposed to receptor activator of NF-kappaB ligand (RANKL) stimulation on OPG-Fc-coated titanium was significantly lower than that in RAW264.7 cells exposed to RANKL on titanium specimens without immobilized OPG-Fc (ANOVA, P < 0.01). Preincubation of OPG-Fc-coated titanium, in a medium supplemented with 10% fetal bovine serum at 37 degrees C for two days before the cells were seeded, had no significant effect on the decrease in mRNA expression (ANOVA, P < 0.01). Taken together, these results indicate that OPG-Fc immobilized on a titanium surface blocks the differentiation of RAW264.7 cells induced by RANKL stimulation.
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Affiliation(s)
- Seicho Makihira
- Department of Oral Biology and Engineering, Division of Oral Health Sciences, Graduate School of Biomedical Sciences, Hiroshima University, 1-2-3 Kasumi Minami-ku, Hiroshima, 734-8553, Japan.
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40
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Mine Y, Makihira S, Nikawa H, Murata H, Hosokawa R, Hiyama A, Mimura S. Impact of titanium ions on osteoblast-, osteoclast- and gingival epithelial-like cells. J Prosthodont Res 2009; 54:1-6. [PMID: 19733525 DOI: 10.1016/j.jpor.2009.07.003] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2009] [Revised: 06/29/2009] [Accepted: 07/22/2009] [Indexed: 11/28/2022]
Abstract
PURPOSE To investigate the effects of titanium (Ti) ions on the cell viability, the cell differentiation and the gene expressions related to bone resorption including Receptor Activator of NF-kappaB Ligand (RANKL) and Osteoprotegerin (OPG) in the tissues around dental implants, the osteoblast-, osteoclast-, and gingival epithelial-like cells were exposed to Ti ions. METHODS An MTS assay was carried out to evaluate the viabilities of osteoblast-like MC3T3-E1, osteoclast-like RAW264.7 and epithelial cell-like GE-1 cells. The gene expressions in these cells were analyzed by the use of RT-PCR and real-time quantitative RT-PCR. RESULTS Ti ions in the concentration range 1-9 ppm had little effect on the viabilities of MC3T3-E1, RAW264.7 and GE-1, whereas 20 ppm Ti ions significantly decreased the viabilities of all cells. Analyses of RT-PCR and real-time quantitative RT-PCR data revealed that Ti ions at 9 ppm remarkably inhibited the expressions of Runx2, Osterix and type I collagen in MC3T3-E1. In RAW264.7, Ti ions showed no effects on the levels of mRNAs for TRAP and cathepsin K enhanced by RANKL. Ti ions at the range of 1-9 ppm showed no effects on the levels of mRNAs for RANKL and OPG in GE-1, while Ti ions at 9 ppm enhanced the expression of these genes in MC3T3-E1. CONCLUSIONS These results, taken together, suggested that Ti ions show the biological effects, both on the viabilities of osteoblast and osteoclast and on the differentiation of either the osteoblastic or osteoclastic cells, which may influence the prognosis of dental implants.
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Affiliation(s)
- Yuichi Mine
- Department of Oral Biology and Engineering, Division of Oral Health Science, Graduate School of Biomedical Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
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Coelho PG, Granjeiro JM, Romanos GE, Suzuki M, Silva NRF, Cardaropoli G, Thompson VP, Lemons JE. Basic research methods and current trends of dental implant surfaces. J Biomed Mater Res B Appl Biomater 2009; 88:579-96. [PMID: 18973274 DOI: 10.1002/jbm.b.31264] [Citation(s) in RCA: 208] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Among dental implant design alterations, surface modifications have been by far the most investigated topic. Regarding implant surface research, the lack of hierarchical approaches relating in vitro, in vivo, clinical trials, and ex vivo analyses has hindered biomaterials scientists with clear informed rationale guidelines for implant surface design. This manuscript provides a critical hierarchical overview of the in vitro, laboratory in vivo, clinical, and ex vivo methodologies used to investigate the performance of novel biomaterials aiming to allow dental professionals to better evaluate the past, present, and future dental implant surface research. This manuscript also contains an overview of the commercially available surface texture and chemistry modifications including novel nanotechnology-based fabrication processes. Over the last decade, surface texturing has been the most utilized parameter for increasing the host-to-implant response. Recently, dental implant surfaces utilizing reduced length scale physico/chemical features (atomic and nanometric) have shown the potential to synergistically use both texture and the inclusion of bioactive ceramic components on the surface. Although surface modifications have been shown to enhance osseointegration at early implantation times, information concerning its long-term benefit to peri-implant tissues is lacking due to the reduced number of controlled clinical trials. Given the various implants/surfaces under study, the clinician should ask, founded on the basic hierarchical approach described for the in vitro, laboratory in vivo data, as well as the results of clinical studies to effectiveness before use of any dental implant.
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Affiliation(s)
- Paulo G Coelho
- Department of Biomaterials and Biomimetics, New York University, New York, New York 10010, USA.
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