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Zhong Q, Pan X, Chen Y, Lian Q, Gao J, Xu Y, Wang J, Shi Z, Cheng H. Prosthetic Metals: Release, Metabolism and Toxicity. Int J Nanomedicine 2024; 19:5245-5267. [PMID: 38855732 PMCID: PMC11162637 DOI: 10.2147/ijn.s459255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 05/13/2024] [Indexed: 06/11/2024] Open
Abstract
The development of metallic joint prostheses has been ongoing for more than a century alongside advancements in hip and knee arthroplasty. Among the materials utilized, the Cobalt-Chromium-Molybdenum (Co-Cr-Mo) and Titanium-Aluminum-Vanadium (Ti-Al-V) alloys are predominant in joint prosthesis construction, predominantly due to their commendable biocompatibility, mechanical strength, and corrosion resistance. Nonetheless, over time, the physical wear, electrochemical corrosion, and inflammation induced by these alloys that occur post-implantation can cause the release of various metallic components. The released metals can then flow and metabolize in vivo, subsequently causing potential local or systemic harm. This review first details joint prosthesis development and acknowledges the release of prosthetic metals. Second, we outline the metallic concentration, biodistribution, and elimination pathways of the released prosthetic metals. Lastly, we discuss the possible organ, cellular, critical biomolecules, and significant signaling pathway toxicities and adverse effects that arise from exposure to these metals.
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Affiliation(s)
- Qiang Zhong
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Xin Pan
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Yuhang Chen
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Qiang Lian
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Jian Gao
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Yixin Xu
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Jian Wang
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Zhanjun Shi
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
| | - Hao Cheng
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, People’s Republic of China
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The Role of the Innate Immune System in Wear Debris-Induced Inflammatory Peri-Implant Osteolysis in Total Joint Arthroplasty. BIOENGINEERING (BASEL, SWITZERLAND) 2022; 9:bioengineering9120764. [PMID: 36550970 PMCID: PMC9774505 DOI: 10.3390/bioengineering9120764] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/23/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022]
Abstract
Periprosthetic osteolysis remains a leading complication of total hip and knee arthroplasty, often resulting in aseptic loosening of the implant and necessitating revision surgery. Wear-induced particulate debris is the main cause initiating this destructive process. The purpose of this article is to review recent advances in understanding of how wear debris causes osteolysis, and emergent strategies for the avoidance and treatment of this disease. A strong activator of the peri-implant innate immune this debris-induced inflammatory cascade is dictated by macrophage secretion of TNF-α, IL-1, IL-6, and IL-8, and PGE2, leading to peri-implant bone resorption through activation of osteoclasts and inhibition of osteoblasts through several mechanisms, including the RANK/RANKL/OPG pathway. Therapeutic agents against proinflammatory mediators, such as those targeting tumor necrosis factor (TNF), osteoclasts, and sclerostin, have shown promise in reducing peri-implant osteolysis in vitro and in vivo; however, radiographic changes and clinical diagnosis often lag considerably behind the initiation of osteolysis, making timely treatment difficult. Considerable efforts are underway to develop such diagnostic tools, therapies, and identify novel targets for therapeutic intervention.
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Ma TL, Chen JX, Ke ZR, Zhu P, Hu YH, Xie J. Targeting regulation of stem cell exosomes: Exploring novel strategies for aseptic loosening of joint prosthesis. Front Bioeng Biotechnol 2022; 10:925841. [PMID: 36032702 PMCID: PMC9399432 DOI: 10.3389/fbioe.2022.925841] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 07/11/2022] [Indexed: 12/03/2022] Open
Abstract
Periprosthetic osteolysis is a major long-term complication of total joint replacement. A series of biological reactions caused by the interaction of wear particles at the prosthesis bone interface and surrounding bone tissue cells after artificial joint replacement are vital reasons for aseptic loosening. Disorder of bone metabolism and aseptic inflammation induced by wear particles are involved in the occurrence and development of aseptic loosening of the prosthesis. Promoting osteogenesis and angiogenesis and mediating osteoclasts and inflammation may be beneficial in preventing the aseptic loosening of the prosthesis. Current research about the prevention and treatment of aseptic loosening of the prosthesis focuses on drug, gene, and stem cell therapy and has not yet achieved satisfactory clinical efficacy or has not been used in clinical practice. Exosomes are a kind of typical extracellular vehicle. In recent years, stem cell exosomes (Exos) have been widely used to regulate bone metabolism, block inflammation, and have broad application prospects in tissue repair and cell therapy.
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Affiliation(s)
- Tian-Liang Ma
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Research Center of Biomedical Metal and Ceramic Impants, Xiangya Hospital, Central South University, Changsha, China
- XiangYa School of Medicine, Central South University, Changsha, China
| | - Jing-Xian Chen
- XiangYa School of Medicine, Central South University, Changsha, China
| | - Zhuo-Ran Ke
- XiangYa School of Medicine, Central South University, Changsha, China
| | - Peng Zhu
- XiangYa School of Medicine, Central South University, Changsha, China
| | - Yi-He Hu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Research Center of Biomedical Metal and Ceramic Impants, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Yi-He Hu, ; Jie Xie,
| | - Jie Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Engineering Research Center of Biomedical Metal and Ceramic Impants, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Yi-He Hu, ; Jie Xie,
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Kim K, Han JE, Lee KB, Kim N. LIM Homeobox Transcription Factor 1-β Expression is Upregulated in Patients with Osteolysis after Total Ankle Arthroplasty and Inhibits Receptor Activator of Nuclear Factor-κB Ligand-Induced Osteoclast Differentiation in Vitro. J Bone Metab 2022; 29:165-174. [PMID: 36153852 PMCID: PMC9511124 DOI: 10.11005/jbm.2022.29.3.165] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 07/21/2022] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Osteolysis is one of the most common problems that occurs after total hip and knee arthroplasty and has recently become a significant problem after total ankle arthroplasty (TAA). In this study, we investigated the role of LIM homeobox transcription factor 1-β (Lmx1b) in osteoclast differentiation. By evaluating the expression profiles associated with osteolysis following TAA treatment, Lmx1b was found to be differentially expressed in patients with osteolysis after TAA. METHODS To identify the important genes associated with osteolysis after TAA, RNA sequencing was performed by analyzing 8 patient samples: 5 primary TAA samples (control group) and 3 TAA samples revised for flexion instability (osteolysis group). By analyzing the differentially expressed genes and gene ontologies, Lmx1b expression was found to be upregulated in the osteolysis group compared to that in the control group. Focusing on the role of Lmx1b in bone cells, Lmx1b was overexpressed by a retrovirus in osteoclast precursor cells. The cultured cells were stained with tartrate-resistant acid phosphatase, and the expression of osteoclast-related genes was analyzed using real-time polymerase chain reaction. RESULTS Lmx1b overexpression in osteoclast precursors suppresses osteoclast formation and resorptive activity. The expression of osteoclast marker genes was significantly reduced during osteoclast differentiation by Lmx1b overexpression. Furthermore, Lmx1b is associated with nuclear factor of activated T cells 1 (NFATc1) and inhibited NFATc1 translocation into the nucleus. CONCLUSIONS These results provide novel insights into the anti-bone resorptive effect of Lmx1b on osteolysis after TAA and may lead to the development of effective preventative and therapeutic strategies for peri-implant osteolysis.
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Affiliation(s)
- Kabsun Kim
- Department of Pharmacology, Chonnam National University Medical School, Gwangju, Korea
| | - Jeong Eun Han
- Department of Orthopedic Surgery, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Korea
| | - Keun-Bae Lee
- Department of Orthopedic Surgery, Chonnam National University Hospital, Chonnam National University Medical School, Gwangju, Korea
| | - Nacksung Kim
- Department of Pharmacology, Chonnam National University Medical School, Gwangju, Korea
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Sharma AR, Lee YH, Gankhuyag B, Chakraborty C, Lee SS. Effect of Alumina Particles on the Osteogenic Ability of Osteoblasts. J Funct Biomater 2022; 13:jfb13030105. [PMID: 35997443 PMCID: PMC9397023 DOI: 10.3390/jfb13030105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/26/2022] [Accepted: 07/26/2022] [Indexed: 02/01/2023] Open
Abstract
Biomaterials are used as implants for bone and dental disabilities. However, wear particles from the implants cause osteolysis following total joint arthroplasty (TJA). Ceramic implants are considered safe and elicit a minimal response to cause periprosthetic osteolysis. However, few reports have highlighted the adverse effect of ceramic particles such as alumina (Al2O3) on various cell types. Hence, we aimed to investigate the effect of Al2O3 particles on osteoprogenitors. A comparative treatment of Al2O3, Ti, and UHMWPE particles to osteoprogenitors at a similar concentration of 200 μg/mL showed that only Al2O3 particles were able to suppress the early and late differentiation markers of osteoprogenitors, including collagen synthesis, alkaline phosphatase (ALP) activity and mRNA expression of Runx2, OSX, Col1α, and OCN. Al2O3 particles even induced inflammation and activated the NFkB signaling pathway in osteoprogenitors. Moreover, bone-forming signals such as the WNT/β-catenin signaling pathway were inhibited by the Al2O3 particles. Al2O3 particles were found to induce the mRNA expression of WNT/β-catenin signaling antagonists such as DKK2, WIF, and sFRP1 several times in osteoprogenitors. Taken together, this study highlights a mechanistic view of the effect of Al2O3 particles on osteoprogenitors and suggests therapeutic targets such as NFĸB and WNT signaling pathways for ceramic particle-induced osteolysis.
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Affiliation(s)
- Ashish Ranjan Sharma
- Institute for Skeletal Aging & Orthopedic Surgery, Hallym University-Chuncheon Sacred Heart Hospital, Chuncheon 24252, Korea; (A.R.S.); (Y.-H.L.); (B.G.)
| | - Yeon-Hee Lee
- Institute for Skeletal Aging & Orthopedic Surgery, Hallym University-Chuncheon Sacred Heart Hospital, Chuncheon 24252, Korea; (A.R.S.); (Y.-H.L.); (B.G.)
| | - Buyankhishig Gankhuyag
- Institute for Skeletal Aging & Orthopedic Surgery, Hallym University-Chuncheon Sacred Heart Hospital, Chuncheon 24252, Korea; (A.R.S.); (Y.-H.L.); (B.G.)
| | - Chiranjib Chakraborty
- Department of Biotechnology, School of Life Science and Biotechnology, Adamas University, Barasat-Barrackpore Rd, Kolkata 700126, India;
| | - Sang-Soo Lee
- Institute for Skeletal Aging & Orthopedic Surgery, Hallym University-Chuncheon Sacred Heart Hospital, Chuncheon 24252, Korea; (A.R.S.); (Y.-H.L.); (B.G.)
- Correspondence:
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Wan R, Chu S, Wang X, Lei L, Tang H, Hu G, Dong L, Li D, Gu H. Study on the osteogenesis of rat mesenchymal stem cells and the long‐term antibacterial activity of
Staphylococcus epidermidis
on the surface of silver‐rich
TiN
/Ag modified titanium alloy. J Biomed Mater Res B Appl Biomater 2020; 108:3008-3021. [PMID: 32386277 DOI: 10.1002/jbm.b.34630] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 04/02/2020] [Accepted: 04/18/2020] [Indexed: 01/05/2023]
Affiliation(s)
- Rongxin Wan
- Central Laboratory the Second Hospital of Tianjin Medical University Tianjin China
| | - Shanshan Chu
- Central Laboratory the Second Hospital of Tianjin Medical University Tianjin China
| | - Xiaojuan Wang
- Central Laboratory the Second Hospital of Tianjin Medical University Tianjin China
| | - Li Lei
- Central Laboratory the Second Hospital of Tianjin Medical University Tianjin China
| | - Huiqing Tang
- Central Laboratory the Second Hospital of Tianjin Medical University Tianjin China
| | - Guoying Hu
- Central Laboratory the Second Hospital of Tianjin Medical University Tianjin China
| | - Lei Dong
- College of Physics & Materials Science Tianjin Normal University Tianjin China
| | - Dejun Li
- College of Physics & Materials Science Tianjin Normal University Tianjin China
| | - Hanqing Gu
- Central Laboratory the Second Hospital of Tianjin Medical University Tianjin China
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Hallab NJ, Jacobs JJ. Orthopedic Applications. Biomater Sci 2020. [DOI: 10.1016/b978-0-12-816137-1.00070-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Alrabeah GO, Brett P, Knowles JC, Petridis H. The effect of metal ions released from different dental implant-abutment couples on osteoblast function and secretion of bone resorbing mediators. J Dent 2017; 66:91-101. [PMID: 28800964 DOI: 10.1016/j.jdent.2017.08.002] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 06/30/2017] [Accepted: 08/02/2017] [Indexed: 01/26/2023] Open
Abstract
OBJECTIVES The etiology of the reduced marginal bone loss observed around platform-switched implant-abutment connections is not clear but could be related to the release of variable amounts of corrosion products. The present study evaluated the effect of different concentrations of metal ions released from different implant abutment couples on osteoblastic cell viability, apoptosis and expression of genes related to bone resorption. METHODS Osteoblastic cells were exposed to five conditions of culture media prepared containing metal ions (titanium, aluminum, vanadium, cobalt, chromium and molybdenum) in different concentrations representing the amounts released from platform-matched and platform-switched implant-abutment couples as a result of an earlier accelerated corrosion experiment. Cell viability was evaluated over 21days using the Alamar Blue assay. Induction of apoptosis was measured after 24h of exposure using flow cytometry. Expression of interleukin-6, interleukin-8, cyclooxygenase-2, caspase-8, osteoprotegerin and receptor activator of nuclear factor kappa-B ligand (RANKL) by osteoblastic cells were analysed after exposure for 1, 3 and 21days using real-time quantitative polymerase chain reaction assay RESULTS: Metal ions in concentrations representing the platform-matched groups led to a reduction in cell viability (P<0.01) up to 7days of exposure. Stimulated cells showed higher rates of early apoptosis (P<0.01) compared to non-treated cells. Metal ions up-regulated the expression of interleukin-6, interleukin-8, cyclooxygenase-2 and RANKL in a dose dependent manner after 1day of exposure (P<0.05). The up-regulation was more pronounced in the groups containing the corrosion products of platform-matched implant-abutment couples. CONCLUSION Osteoblastic cell viability, apoptosis, and regulation of bone resorbing mediators were significantly altered in the presence of metal ions. The change in cytokine levels expressed was directly proportional to the metal ion concentration. CLINICAL SIGNIFICANCE The observed biological responses to decreased amounts of metal ions released from platform-switched implant-abutment couples compared to platform-matched couples may partly explain the positive radiographic findings in respect to crestal bone level when utilising the "platform-switching" concept, which highlights the possible role of corrosion products in the mediation of crestal bone loss around dental implants.
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Affiliation(s)
- Ghada O Alrabeah
- Prosthodontic Unit, Department of Restorative Dentistry, UCL Eastman Dental Institute, University College London, London, UK; Department of Prosthetic Dental Sciences, College of Dentistry, King Saud University, Riyadh, Saudi Arabia,; Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London, London, UK
| | - Peter Brett
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London, London, UK
| | - Jonathan C Knowles
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, University College London, London, UK
| | - Haralampos Petridis
- Prosthodontic Unit, Department of Restorative Dentistry, UCL Eastman Dental Institute, University College London, London, UK.
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Schoeman MA, Oostlander AE, Rooij KE, Valstar ER, Nelissen RG. Peri-prosthetic tissue cells show osteogenic capacity to differentiate into the osteoblastic lineage. J Orthop Res 2017; 35:1732-1742. [PMID: 27714894 PMCID: PMC5573935 DOI: 10.1002/jor.23457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 09/29/2016] [Indexed: 02/04/2023]
Abstract
During the process of aseptic loosening of prostheses, particulate wear debris induces a continuous inflammatory-like response resulting in the formation of a layer of fibrous peri-prosthetic tissue at the bone-prosthesis interface. The current treatment for loosening is revision surgery which is associated with a high-morbidity rate, especially in old patients. Therefore, less invasive alternatives are necessary. One approach could be to re-establish osseointegration of the prosthesis by inducing osteoblast differentiation in the peri-prosthetic tissue. Therefore, the aim of this study was to investigate the capacity of peri-prosthetic tissue cells to differentiate into the osteoblast lineage. Cells isolated from peri-prosthetic tissue samples (n = 22)-obtained during revision surgeries-were cultured under normal and several osteogenic culture conditions. Osteogenic differentiation was assessed by measurement of Alkaline Phosphatse (ALP), mineralization of the matrix and expression of several osteogenic genes. Cells cultured in osteogenic medium showed a significant increase in ALP staining (p = 0.024), mineralization of the matrix (p < 0.001) and ALP gene expression (p = 0.014) compared to normal culture medium. Addition of bone morphogenetic proteins (BMPs), a specific GSK3β inhibitor (GIN) or a combination of BMP and GIN to osteogenic medium could not increase ALP staining, mineralization, and ALP gene expression. In one donor, addition of GIN was required to induce mineralization of the matrix. Overall, we observed a high-inter-donor variability in response to osteogenic stimuli. In conclusion, peri-prosthetic tissue cells, cultured under osteogenic conditions, can produce alkaline phosphatase and mineralized matrix, and therefore show characteristics of differentiation into the osteoblastic lineage. © 2016 The Authors. Journal of Orthopaedic Research published by Wiley Periodicals, Inc. on behalf of Orthopaedic Research Society. J Orthop Res 35:1732-1742, 2017.
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Affiliation(s)
| | | | - Karien Ede Rooij
- Department of OrthopaedicsLeiden University Medical CenterLeidenThe Netherlands
| | - Edward R. Valstar
- Department of OrthopaedicsLeiden University Medical CenterLeidenThe Netherlands
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials EngineeringDelft University of TechnologyDelftThe Netherlands
| | - Rob G.H.H. Nelissen
- Department of OrthopaedicsLeiden University Medical CenterLeidenThe Netherlands
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Hallab NJ, Jacobs JJ. Chemokines Associated with Pathologic Responses to Orthopedic Implant Debris. Front Endocrinol (Lausanne) 2017; 8:5. [PMID: 28154552 PMCID: PMC5243846 DOI: 10.3389/fendo.2017.00005] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Accepted: 01/06/2017] [Indexed: 01/19/2023] Open
Abstract
Despite the success in returning people to health saving mobility and high quality of life, the over 1 million total joint replacements implanted in the US each year are expected to eventually fail after approximately 15-25 years of use, due to slow progressive subtle inflammation to implant debris compromising the bone implant interface. This local inflammatory pseudo disease state is primarily caused by implant debris interaction with innate immune cells, i.e., macrophages. This implant debris can also activate an adaptive immune reaction giving rise to the concept of implant-related metal sensitivity. However, a consensus of studies agree the dominant form of this response is due to innate reactivity by macrophages to implant debris danger signaling (danger-associated molecular pattern) eliciting cytokine-based and chemokine inflammatory responses. This review covers implant debris-induced release of the cytokines and chemokines due to activation of the innate (and the adaptive) immune system and how this leads to subsequent implant failure through loosening and osteolysis, i.e., what is known of central chemokines (e.g., IL-8, monocyte chemotactic protein-1, MIP-1, CCL9, CCL10, CCL17, and CCL22) associated with implant debris reactivity as related to the innate immune system activation/cytokine expression, e.g., danger signaling (e.g., IL-1β, IL-18, IL-33, etc.), toll-like receptor activation (e.g., IL-6, tumor necrosis factor α, etc.), bone catabolism (e.g., TRAP5b), and hypoxia responses (HIF-1α). More study is needed, however, to fully understand these interactions to effectively counter cytokine- and chemokine-based orthopedic implant-related inflammation.
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Affiliation(s)
- Nadim J. Hallab
- Department of Orthopedics, Rush University Medical Center, Chicago, IL, USA
| | - Joshua J. Jacobs
- Department of Orthopedics, Rush University Medical Center, Chicago, IL, USA
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11
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Tian P, Xu D, Liu X. Mussel-inspired functionalization of PEO/PCL composite coating on a biodegradable AZ31 magnesium alloy. Colloids Surf B Biointerfaces 2016; 141:327-337. [PMID: 26874118 DOI: 10.1016/j.colsurfb.2016.02.004] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 02/01/2016] [Accepted: 02/02/2016] [Indexed: 10/22/2022]
Abstract
The rapid degradation of magnesium-based implants in physiological environments in vivo not only will quickly deteriorate their mechanical strengths but will also lead to a severe change of the micro-environment around the implants, which may cause the final failure of magnesium-based implants. In this work, a polycaprolactone (PCL) layer was prepared to seal the plasma electrolytic oxidization coating (PEO) to form a PEO/PCL composite coating on a biodegradable AZ31 magnesium alloy, followed by further surface functionalization with polydopamine. The in vitro degradation behaviors of the bare AZ31 alloy and coated samples were evaluated in a simulated body fluid (SBF) using the potentiodynamic polarization curve test and the static immersion test. The bioactivity of the samples was investigated using the SBF soaking test. The cytocompatibility of all samples was evaluated using the cytotoxicity test and analysis of the adhesion and proliferation of osteoblast cells (MC3T3-E1) directly cultivated on the sample surface. The results showed that the PCL layer successfully sealed the pores of the PEO coating, and then the polydopamine layer formed on its surface. The in vitro degradation tests showed that the PEO/PCL composite coating improved the corrosion resistance of the AZ31 alloy in SBF with a more positive corrosion potential and a lower corrosion current density. Due to the protection of the PEO/PCL composite coating, the surrounding environment showed nearly no influence on the degradation of the coated sample, which led to no obvious local alkalization and hydrogen evolution. Moreover, compared with the AZ31 alloy and PEO coating, the PEO/PCL composite coating was more suitable for cell adhesion and proliferation. After further surface functionalization by polydopamine, the corrosion resistance of the composite coating was maintained, while its bioactivity was significantly enhanced with a large amount of hydroxyapatite (HA) formed on its surface after immersion in SBF. The initial cell adhesion and spread were also improved by the polydopamine. By further immobilizing polyhexamethylene biguanidine (PHMB) onto the coating surface via the assistance of polydopamine, good antibacterial ability was obtained. This feasible method for fabricating a cytocompatible and antibacterial composite coating on a biodegradable AZ31 alloy may be promising in implant applications due to the osteointegration and anti-infection properties of these materials post operation.
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Affiliation(s)
- Peng Tian
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, PR China
| | - Demin Xu
- Zhongshan Hospital, Fudan University, Shanghai 200032, PR China.
| | - Xuanyong Liu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, PR China.
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12
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Preedy EC, Perni S, Prokopovich P. Cobalt, titanium and PMMA bone cement debris influence on mouse osteoblast cell elasticity, spring constant and calcium production activity. RSC Adv 2015; 5:83885-83898. [PMID: 27019701 PMCID: PMC4786967 DOI: 10.1039/c5ra15390e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2015] [Accepted: 09/22/2015] [Indexed: 12/28/2022] Open
Abstract
Periprosthetic osteolysis and implant loosening are the outcomes of wear debris generation in total joint replacements. Wear debris formed from the implanted materials consisting of metals, polymers, ceramic and bone cement initiate the immune system response. Often osteoblasts, the principal cell type in bone tissue adjacent to the prostheses, are directly impacted. In this study, the influence of cobalt, titanium and PMMA bone cement particles of different sizes, charges and compositions on mouse osteoblast adhesion, nanomechanics (elasticity and spring constant) and metabolic activity were investigated. These studies were accompanied by osteoblast mineralisation experiments and cell uptake after exposure to particles at defined time points. Our results demonstrate that alteration of the nanomechanical properties are mainly dependent on the metal type rather than nanoparticles size and concentration. Moreover, despite uptake increasing over exposure time, the cell characteristics exhibit changes predominately after the first 24 hours, highlighting that the cell responses to nanoparticle exposure are not cumulative. Understanding these processes is critical to expanding our knowledge of implant loosening and elucidating the nature of prosthetic joint failure.
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Affiliation(s)
- Emily Callard Preedy
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK. ; ; Tel: +44 (0)29 208 75820
| | - Stefano Perni
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK. ; ; Tel: +44 (0)29 208 75820; Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, USA
| | - Polina Prokopovich
- School of Pharmacy and Pharmaceutical Sciences, Cardiff University, Cardiff, UK. ; ; Tel: +44 (0)29 208 75820; Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, USA
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Baker KC, Maerz T, Saad H, Shaheen P, Kannan RM. In vivo bone formation by and inflammatory response to resorbable polymer-nanoclay constructs. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2015. [DOI: 10.1016/j.nano.2015.06.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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14
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Abstract
Osteolysis and aseptic loosening currently contribute 75 % of implant failures. Furthermore, with over four million joint replacements projected to be performed in the United States annually, osteolysis and aseptic loosening may continue to pose a significant morbidity. This paper reviews the osteolysis cascade leading to osteoclast activation and bone resorption at the biochemical level. Additionally, the metal ion release mechanism from metallic implants is elucidated. Even though metal ions are not the predominating initiator of osteolysis, they do increase the concentration of key inflammatory cytokines that stimulate osteoclasts and prove to be a contributor to osteolysis and aseptic loosening. Osteolysis is a competitive mechanism among a number of biological reactions, which includes debris release, macrophage and osteoclast activation, an inflammatory response as well as metal ion release. Pharmacological therapy for component loosening has also been reviewed. A non-surgical treatment of osteolysis has not been found in the literature and thus may become an area of future research. Even though this research is warranted, comprehensively understanding the immune response to orthopedic implants and their metallic ions, and thus, creating improved prostheses appears to be the most cost-effective approach to decrease the morbidity related to osteolysis and to design implants with greater longevity. The ionic forms, cytokines, toxicity, gene expression, biological effects, and hypersensitivity responses of metallic elements from metal implants are summarized as well.
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Tian P, Liu X. Surface modification of biodegradable magnesium and its alloys for biomedical applications. Regen Biomater 2014; 2:135-51. [PMID: 26816637 PMCID: PMC4669019 DOI: 10.1093/rb/rbu013] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2014] [Revised: 09/01/2014] [Accepted: 09/02/2014] [Indexed: 12/22/2022] Open
Abstract
Magnesium and its alloys are being paid much attention recently as temporary implants, such as orthopedic implants and cardiovascular stents. However, the rapid degradation of them in physiological environment is a major obstacle preventing their wide applications to date, which will result in rapid mechanical integrity loss or even collapse of magnesium-based implants before injured tissues heal. Moreover, rapid degradation of the magnesium-based implants will also cause some adverse effects to their surrounding environment, such as local gas cavity around the implant, local alkalization and magnesium ion enrichment, which will reduce the integration between implant and tissue. So, in order to obtain better performance of magnesium-based implants in clinical trials, special alloy designs and surface modifications are prerequisite. Actually, when a magnesium-based implant is inserted in vivo, corrosion firstly happens at the implant-tissue interface and the biological response to implant is also determined by the interaction at this interface. So the surface properties, such as corrosion resistance, hemocompatibility and cytocompatibility of the implant, are critical for their in vivo performance. Compared with alloy designs, surface modification is less costly, flexible to construct multi-functional surface and can prevent addition of toxic alloying elements. In this review, we would like to summarize the current investigations of surface modifications of magnesium and its alloys for biomedical application. The advantages/disadvantages of different surface modification methods are also discussed as a suggestion for their utilization.
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Affiliation(s)
- Peng Tian
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, PR China
| | - Xuanyong Liu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, PR China
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Pajarinen J, Lin TH, Sato T, Yao Z, Goodman SB. Interaction of Materials and Biology in Total Joint Replacement - Successes, Challenges and Future Directions. J Mater Chem B 2014; 2:7094-7108. [PMID: 25541591 PMCID: PMC4273175 DOI: 10.1039/c4tb01005a] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Total joint replacement (TJR) has revolutionized the treatment of end-stage arthritic disorders. This success is due, in large part, to a clear understanding of the important interaction between the artificial implant and the biology of the host. All surgical procedures in which implants are placed in the body evoke an initial inflammatory reaction, which generally subsides over several weeks. Thereafter, a series of homeostatic events occur leading to progressive integration of the implant within bone and the surrounding musculoskeletal tissues. The eventual outcome of the operation is dependent on the characteristics of the implant, the precision of the surgical technique and operative environment, and the biological milieu of the host. If these factors and events are not optimal, adverse events can occur such as the development of chronic inflammation, progressive bone loss due to increased production of degradation products from the implant (periprosthetic osteolysis), implant loosening or infection. These complications can lead to chronic pain and poor function of the joint reconstruction, and may necessitate revision surgery or removal of the prosthesis entirely. Recent advances in engineering, materials science, and the immunological aspects associated with orthopaedic implants have fostered intense research with the hope that joint replacements will last a lifetime, and facilitate pain-free, normal function.
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Affiliation(s)
- J Pajarinen
- Department of Orthopaedic Surgery, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
| | - T-H Lin
- Department of Orthopaedic Surgery, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
| | - T Sato
- Department of Orthopaedic Surgery, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
| | - Z Yao
- Department of Orthopaedic Surgery, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
| | - S B Goodman
- Department of Orthopaedic Surgery, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
- Department of Bioengineering, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
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Ren K, Dusad A, Yuan F, Yuan H, Purdue PE, Fehringer EV, Garvin KL, Goldring SR, Wang D. Macromolecular prodrug of dexamethasone prevents particle-induced peri-implant osteolysis with reduced systemic side effects. J Control Release 2013; 175:1-9. [PMID: 24326124 DOI: 10.1016/j.jconrel.2013.11.024] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2013] [Revised: 11/24/2013] [Accepted: 11/29/2013] [Indexed: 11/25/2022]
Abstract
Aseptic implant loosening related to implant wear particle-induced inflammation is the most common cause of failure after joint replacement. Modulation of the inflammatory reaction to the wear products represents a rational approach for preventing aseptic implant failure. Long-term treatment using anti-inflammatory agents, however, can be associated with significant systemic side effects due to the drugs' lack of tissue specificity. To address this issue, N-(2-hydroxypropyl) methacrylamide (HPMA) copolymer-dexamethasone conjugate (P-Dex) was developed and evaluated for prevention of wear particle-induced osteolysis and the loss of fixation in a murine prosthesis failure model. Daily administration of free dexamethasone (Dex) was able to prevent wear particle-induced osteolysis, as assessed by micro-CT and histological analysis. Remarkably, monthly P-Dex administration (dose equivalent to free Dex treatment) was equally effective as free dexamethasone, but was not associated with systemic bone loss (a major adverse side effect of glucocorticoids). The reduced systemic toxicity of P-Dex is related to preferential targeting of the sites of wear particle-induced inflammation and its subcellular sequestration and retention by local inflammatory cell populations, resulting in sustained therapeutic action. These results demonstrate the feasibility of utilizing a macromolecular prodrug with reduced systemic toxicity to prevent wear particle-induced osteolysis.
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Affiliation(s)
- Ke Ren
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha 68198, USA
| | - Anand Dusad
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha 68198, USA
| | - Fang Yuan
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha 68198, USA
| | - Hongjiang Yuan
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha 68198, USA
| | | | - Edward V Fehringer
- Department of Orthopaedics Surgery and Rehabilitation, University of Nebraska Medical Center, Omaha 68198, USA
| | - Kevin L Garvin
- Department of Orthopaedics Surgery and Rehabilitation, University of Nebraska Medical Center, Omaha 68198, USA
| | | | - Dong Wang
- Department of Pharmaceutical Sciences, University of Nebraska Medical Center, Omaha 68198, USA.
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O’Neill SC, Queally JM, Devitt BM, Doran PP, O’Byrne JM. The role of osteoblasts in peri-prosthetic osteolysis. Bone Joint J 2013; 95-B:1022-6. [DOI: 10.1302/0301-620x.95b8.31229] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Peri-prosthetic osteolysis and subsequent aseptic loosening is the most common reason for revising total hip replacements. Wear particles originating from the prosthetic components interact with multiple cell types in the peri-prosthetic region resulting in an inflammatory process that ultimately leads to peri-prosthetic bone loss. These cells include macrophages, osteoclasts, osteoblasts and fibroblasts. The majority of research in peri-prosthetic osteolysis has concentrated on the role played by osteoclasts and macrophages. The purpose of this review is to assess the role of the osteoblast in peri-prosthetic osteolysis. In peri-prosthetic osteolysis, wear particles may affect osteoblasts and contribute to the osteolytic process by two mechanisms. First, particles and metallic ions have been shown to inhibit the osteoblast in terms of its ability to secrete mineralised bone matrix, by reducing calcium deposition, alkaline phosphatase activity and its ability to proliferate. Secondly, particles and metallic ions have been shown to stimulate osteoblasts to produce pro inflammatory mediators in vitro. In vivo, these mediators have the potential to attract pro-inflammatory cells to the peri-prosthetic area and stimulate osteoclasts to absorb bone. Further research is needed to fully define the role of the osteoblast in peri-prosthetic osteolysis and to explore its potential role as a therapeutic target in this condition. Cite this article: Bone Joint J 2013;95-B:1021–5.
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Affiliation(s)
- S. C. O’Neill
- Cappagh National Orthopaedic Hospital, Finglas, Dublin, Ireland
| | - J. M. Queally
- Cappagh National Orthopaedic Hospital, Finglas, Dublin, Ireland
| | - B. M. Devitt
- Cappagh National Orthopaedic Hospital, Finglas, Dublin, Ireland
| | - P. P. Doran
- University College Dublin, Clinical
Research Centre, Mater University Hospital, Dublin, Ireland
| | - J. M. O’Byrne
- Cappagh National Orthopaedic Hospital, Finglas, Dublin, Ireland
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Prospective analysis of human leukocyte functional tests reveals metal sensitivity in patients with hip implant. J Orthop Surg Res 2013; 8:12. [PMID: 23680415 PMCID: PMC3674931 DOI: 10.1186/1749-799x-8-12] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2012] [Accepted: 04/28/2013] [Indexed: 12/16/2022] Open
Abstract
Background The aim of the study was to examine the reactivity of peripheral human leukocytes to various metal ions prior and following hip replacement in order to investigate implant-induced metal sensitivity. Methods Three patient groups were set up: (1) individuals without implants and no history of metal allergy (7 cases), (2) individuals without implants and known history of metal allergy (7 cases), and (3) patients undergoing cementless hip replacement (40 cases). Blood samples were taken in groups 1 and 2 at three different occasions; in group 3, prior and 3, 6, 12, 24, and 36 months after surgery. Peripheral leukocytes were separated and left either untreated or challenged with Ti, NiCl2, CoCl2, CrCl3, and phytohemagglutinin. Cell proliferation, cytokine release, and leukocyte migration inhibition assays were performed. Metal-induced reactivity was considered when all three assays showed significant change. Skin patch tests were also carried out. Results Both skin patch tests and leukocyte functional tests were negative in group 1, and both were positive in group 2. In group 3, after 6 months, 12% of the patients showed reactivity to the tested metals except for NiCl2. Following the 36-month period, 18% of group three became sensitive to metals (including all the earlier 12%). In contrast, patch tests were negative at each time point in group 3. Conclusions Orthopedic implant material may induce metal reactivity after implantation in a manner where susceptibility is yet to be elucidated. Leukocyte triple assay technique might be a useful tool to test implant material-related sensitivity.
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Grillo CA, Morales ML, Mirífico MV, Fernández Lorenzo de Mele MA. Synergistic cytotoxic effects of ions released by zinc–aluminum bronze and the metallic salts on osteoblastic cells. J Biomed Mater Res A 2013; 101:2129-40. [DOI: 10.1002/jbm.a.34503] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2012] [Revised: 10/11/2012] [Accepted: 10/17/2012] [Indexed: 11/07/2022]
Affiliation(s)
- Claudia A. Grillo
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA, CCT La Plata‐CONICET), Facultad de Ciencias Exactas, Departamento de Química, Universidad Nacional de La Plata, Casilla de Correo 16, Sucursal 4, 1900 La Plata, Argentina
| | - María L. Morales
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA, CCT La Plata‐CONICET), Facultad de Ciencias Exactas, Departamento de Química, Universidad Nacional de La Plata, Casilla de Correo 16, Sucursal 4, 1900 La Plata, Argentina
| | - María V. Mirífico
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA, CCT La Plata‐CONICET), Facultad de Ciencias Exactas, Departamento de Química, Universidad Nacional de La Plata, Casilla de Correo 16, Sucursal 4, 1900 La Plata, Argentina
- Facultad de Ingeniería, Áreas Departamentales Ingeniería Química y Mecánica, Universidad Nacional de La Plata, Calle 1 esq. 47, 1900 La Plata, Argentina
| | - Mónica A. Fernández Lorenzo de Mele
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA, CCT La Plata‐CONICET), Facultad de Ciencias Exactas, Departamento de Química, Universidad Nacional de La Plata, Casilla de Correo 16, Sucursal 4, 1900 La Plata, Argentina
- Facultad de Ingeniería, Áreas Departamentales Ingeniería Química y Mecánica, Universidad Nacional de La Plata, Calle 1 esq. 47, 1900 La Plata, Argentina
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22
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Hallab NJ, Jacobs JJ. Orthopedic Applications. Biomater Sci 2013. [DOI: 10.1016/b978-0-08-087780-8.00073-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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23
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Lee SS, Sharma AR, Choi BS, Jung JS, Chang JD, Park S, Salvati EA, Purdue EP, Song DK, Nam JS. The effect of TNFα secreted from macrophages activated by titanium particles on osteogenic activity regulated by WNT/BMP signaling in osteoprogenitor cells. Biomaterials 2012; 33:4251-63. [PMID: 22436801 DOI: 10.1016/j.biomaterials.2012.03.005] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2012] [Accepted: 03/03/2012] [Indexed: 12/22/2022]
Abstract
Wear particles are the major cause of osteolysis associated with failure of implant following total joint replacement. During this pathologic process, activated macrophages mediate inflammatory responses to increase osteoclastogenesis, leading to enhanced bone resorption. In osteolysis caused by wear particles, osteoprogenitors present along with macrophages at the implant interface may play significant roles in bone regeneration and implant osteointegration. Although the direct effects of wear particles on osteoblasts have been addressed recently, the role of activated macrophages in regulation of osteogenic activity of osteoblasts has scarcely been studied. In the present study, we examined the molecular communication between macrophages and osteoprogenitor cells that may explain the effect of wear particles on impaired bone forming activity in inflammatory bone diseases. It has been demonstrated that conditioned medium of macrophages challenged with titanium particles (Ti CM) suppresses early and late differentiation markers of osteoprogenitors, including alkaline phosphatase (ALP) activity, collagen synthesis, matrix mineralization and expression of osteocalcin and Runx2. Moreover, bone forming signals such as WNT and BMP signaling pathways were inhibited by Ti CM. Interestingly, TNFα was identified as a predominant factor in Ti CM to suppress osteogenic activity as well as WNT and BMP signaling activity. Furthermore, Ti CM or TNFα induces the expression of sclerostin (SOST) which is able to inhibit WNT and BMP signaling pathways. It was determined that over-expression of SOST suppressed ALP activity, whereas the inhibition of SOST by siRNA partially restored the effect of Ti CM on ALP activity. This study highlights the role of activated macrophages in regulation of impaired osteogenic activity seen in inflammatory conditions and provides a potential mechanism for autocrine regulation of WNT and BMP signaling mediated by TNFα via induction of SOST in osteprogenitor cells.
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Affiliation(s)
- Sang-Soo Lee
- Infectious Disease Medical Research Center & Department of Pharmacology, College of Medicine, Hallym University, Chucheon, Gangwon-do 200-702, Republic of Korea
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Hug KT, Henderson RA, Hansen BJ, Wellman SS, Vail TP. Polished Cobalt-Chrome vs Titanium Tibial Trays in Total Knee Replacement (a Comparison using the PFC Sigma System). ACTA ACUST UNITED AC 2012. [DOI: 10.5005/jp-journals-10017-1011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
ABSTRACT
Fixed-bearing total knee arthroplasty components can cause wear debris due to fretting micromotion between the polyethylene insert and the metal tibial tray, possibly leading to osteolysis and implant failure. This study compared the effects of either a highly polished cobalt-chrome (CoCr) or titanium tibial tray in patients receiving the PFC. Sigma® posterior stabilized knee system with a moderately cross-linked polyethylene insert. One hundred five patients with titanium tibial trays and 70 patients with CoCr tibial trays were prospectively enrolled at the time of follow-up of at least 4 years from surgery. There were two revisions with implant removal in each group. On blinded radiographic review, osteolysis was observed in three of 105 knees in the titanium group and three of 70 knees in the CoCr group. Radiolucent lines were categorized in accordance with the Knee Society roentgenographic evaluation system. In the titanium group 18% showed no radiolucent lines, 65% scored four or less (nonconcerning), and 17% scored between five and nine (requires observation for progression). In the CoCr group 24% showed no radiolucencies, 61% scored four or less, and 14% scored between five and nine. None of the knees in either group scored greater than 10 (possible or impending failure). Knee society scores and radiographic alignment were statistically similar between groups. These results suggest that there may not be a difference in clinical or radiographic mid-term outcome between titanium and CoCr tibial trays in total knee arthroplasty.
Hug KT, Henderson RA, Hansen BJ, Wellman SS, Vail TP, Bolognesi MP. Polished Cobalt-Chrome vs Titanium Tibial Trays in Total Knee Replacement (A Comparison using the PFC Sigma System). The Duke Orthop J 2012;2(1):5-11.
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Jakobsen SS, Baas J, Jakobsen T, Soballe K. Biomechanical implant fixation of CoCrMo coating inferior to titanium coating in a canine implant model. J Biomed Mater Res A 2010; 94:180-6. [DOI: 10.1002/jbm.a.32709] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Yim ES, Zhao B, Myung D, Kourtis LC, Frank CW, Carter D, Smith RL, Goodman SB. Biocompatibility of poly(ethylene glycol)/poly(acrylic acid) interpenetrating polymer network hydrogel particles in RAW 264.7 macrophage and MG-63 osteoblast cell lines. J Biomed Mater Res A 2009; 91:894-902. [DOI: 10.1002/jbm.a.32311] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Caicedo MS, Desai R, McAllister K, Reddy A, Jacobs JJ, Hallab NJ. Soluble and particulate Co-Cr-Mo alloy implant metals activate the inflammasome danger signaling pathway in human macrophages: a novel mechanism for implant debris reactivity. J Orthop Res 2009; 27:847-54. [PMID: 19105226 DOI: 10.1002/jor.20826] [Citation(s) in RCA: 159] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Immune reactivity to soluble and particulate implant debris remains the primary cause of aseptic inflammation and implant loosening. However, the intracellular mechanisms that trigger immune cells to sense and respond to exogenous nonbiological agents such as metal particles or metal ions released from orthopedic implants remain unknown. Recent studies in immunology have outlined the importance of the intracellular inflammasome complex of proteins in sensing danger/stress signals triggered by nonbiological agents in the cytosol of macrophages. We hypothesized that metal implant debris can activate the inflammasome pathway in macrophages that causes caspase-1-induced cleavage of intracellular pro-IL-1beta into its mature form, resulting in IL-1beta secretion and induction of a broader proinflammatory response. We tested this hypothesis by examining whether soluble cobalt, chromium, molybdenum, and nickel ions and Co-Cr-Mo alloy particles induce inflammasome- mediated macrophage reactivity. Our results demonstrate that these agents stimulate IL-1beta secretion in human macrophages that is inflammasome mediated (i.e., NADPH-, caspase-1-, Nalp3-, and ASC-dependent). Thus, metal ion- and particle-induced activation of the inflammasome in human macrophages provides evidence of a novel pathway of implant debris-induced inflammation, where contact with implant debris is sensed and transduced by macrophages into a proinflammatory response.
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Affiliation(s)
- Marco S Caicedo
- Department of Immunology, Rush University Medical Center, Chicago, Illinois 60612, USA
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Stevens B, Yang Y, Mohandas A, Stucker B, Nguyen KT. A review of materials, fabrication methods, and strategies used to enhance bone regeneration in engineered bone tissues. J Biomed Mater Res B Appl Biomater 2008; 85:573-82. [PMID: 17937408 DOI: 10.1002/jbm.b.30962] [Citation(s) in RCA: 182] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Over the last decade, bone engineered tissues have been developed as alternatives to autografts and allografts to repair and reconstruct bone defects. This article provides a review of the current technologies in bone tissue engineering. Factors used for fabrication of three-dimensional bone scaffolds such as materials, cells, and biomolecular signals, as well as required properties for ideal bone scaffolds, are reviewed. In addition, current fabrication techniques including rapid prototyping are elaborated upon. Finally, this review article further discusses some effective strategies to enhance cell ingrowth in bone engineered tissues; for example, nanotopography, biomimetic materials, embedded growth factors, mineralization, and bioreactors. In doing so, it suggests that there is a possibility to develop bone substitutes that can repair bone defects and promote new bone formation for orthopedic applications.
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Affiliation(s)
- Brian Stevens
- Department of Biological and Irrigation Engineering, Utah State University, Logan, Utah, USA
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Modulation of the cross-talk between macrophages and osteoblasts by titanium-based particles. Biomaterials 2008; 29:2326-35. [DOI: 10.1016/j.biomaterials.2008.02.011] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2007] [Accepted: 02/13/2008] [Indexed: 01/20/2023]
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Static electromagnetic fields generated by corrosion currents inhibit human osteoblast differentiation. Spine (Phila Pa 1976) 2008; 33:955-9. [PMID: 18427315 DOI: 10.1097/brs.0b013e31816c90b8] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Human osteoblast cultures were exposed to a very low intensity static magnetic fields (SMF) to investigate its effects on osteoblast growth and differentiation. OBJECTIVE Analysis of the effects of periprosthetic SMF on the growth and differentiation of human osteoblast cell cultures in vitro. SUMMARY OF BACKGROUND DATA The effects of pulsed electromagnetic fields (PEMF) on cell proliferation, especially in human osteoblast-like cells is well described, whereas few data are available on the effects of SMF on osteoblast cell culture. We previously demonstrated that the proliferation of human osteoblast cultures is reduced when cells are exposed to a continuous low intensity SMF comparable to the one that occurs around metal devices (Ti spinal implant) because of the generation of electric currents between the screw (Ti6Al4V) and the rod (Ti). METHODS Primary osteoblastic cells were isolated from a human femoral head. Osteoblast cultures were exposed to SMF and alkaline phosphatase activity was evaluated in the osteoblast cell cultures at different time points. Reverse transcriptase-polymerase chain reaction (RT-PCR) was performed to evaluate mRNA expression levels of osteocalcin, Runx2, and collagen I genes. RESULTS The SMF-treated cells showed a progressive increase in the alkaline phosphatase activity which, however, remained always lower than the one observed in the control group at each observation time (72 hours, 7 and 14 days). RT-PCR demonstrated that Runx2 and collagen I mRNA were downregulated following SMF stimulation, whereas no change in osteocalcin mRNA was observed. CONCLUSION Continuous low-intensity electromagnetic field comparable to the one that generates around metal devices because of the generation of corrosion currents inhibits osteoblasts differentiation pattern and might contribute at least in part to a decrease in periprosthetic bone formation occurring in vivo.
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Kaufman AM, Alabre CI, Rubash HE, Shanbhag AS. Human macrophage response to UHMWPE, TiAlV, CoCr, and alumina particles: analysis of multiple cytokines using protein arrays. J Biomed Mater Res A 2008; 84:464-74. [PMID: 17618502 DOI: 10.1002/jbm.a.31467] [Citation(s) in RCA: 92] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Aseptic loosening of total joint replacements is believed to be initiated by a macrophage response to prosthetic wear debris. To better characterize the early response to clinically relevant wear debris, we challenged primary human macrophages from four donors with ultra high molecular weight polyethylene (UHMWPE), TiAlV, CoCr, and alumina particles. After a 24-h culture, protein arrays were used to quantify the secretion of 30 different cytokines and chemokines. Macrophages secreted detectable levels of nine mediators in culture: Interleukin-1alpha (IL-1alpha), tumor necrosis factor-alpha (TNF-alpha), IL-1beta, MCP-1, IL-8, IL-6, GM-CSF, IL-10, and IL-12p40. TiAlV particles were the most stimulatory, causing 5- to 900-fold higher cytokine expression compared with nonstimulated cells and uniquely eliciting high levels of IL-1alpha, IL-6, IL-10, and GM-CSF. CoCr and alumina were mildly stimulatory and typically elicited two- to fivefold greater levels than nonstimulated cells. Surprisingly, UHMWPE did not elicit a significant increase in cytokine release. Our data suggests that IL-1alpha, TNF-alpha, IL-1beta, and MCP-1 are the primary initiators of osteolysis and implicates metallic debris as an important trigger for their release.
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Affiliation(s)
- Adam M Kaufman
- Biomaterials Lab, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02474, USA
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Periprosthetic electrochemical corrosion of titanium and titanium-based alloys as a cause of spinal fusion failure. Spine (Phila Pa 1976) 2008; 33:8-13. [PMID: 18165742 DOI: 10.1097/brs.0b013e31815e3978] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Posterior lumbar spine implants retrieved from patients affected by periprosthetic osteolysis were analyzed to identify corrosion and to investigate the electromagnetic fields (EMF) generated by corrosion currents and their effect on human osteoblasts proliferation. OBJECTIVE.: Analysis of retrieved instrumentation to better understand periprosthetic osteolysis and correlation of this information with clinical factors. SUMMARY OF BACKGROUND DATA Recent studies have pointed out that mechanically assisted crevice corrosion represents the initial failure of spinal implants, resulting in the local decrease in pH, which leads to osteolysis. METHODS Electrochemical analysis was performed to characterize the corrosion currents and the EMF generated around the implants retrieved. Human primary osteoblasts cultures were used to determine the effect of continued EMF stimulation on cell growth. Cultures were exposed to the EMF stimulation for 48 hours, 72 hours, 7 days, and 14 days. RESULTS During the electrochemical corrosion tests both the screws and the bar showed a passivation current of 0312 and 0.05 muA/cm, respectively. Osteoblasts exposed to an EMF of 12.1 x 10 T displayed a decreased proliferation rate. At each observation time, there were differences in cell numbers between the unexposed cells and the exposed cells. CONCLUSION Aseptic periprosthetic bone loss can be due in part to the generation of electric and electromagnetic phenomena generated around metal devices, which inhibit osteoblasts growth and might hamper periprosthetic bone formation. This mechanism is of clinical significance and should be more deeply evaluated.
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Kovacik MW, Gradisar IA, Tokash JC, Stojilovic N, Ehrman JD, Bender ET, Ramsier RD. An introduction of various spectroscopic methods to identifyin vivo metal wear in total knee arthroplasty. J Biomed Mater Res A 2008; 84:1068-77. [PMID: 17685402 DOI: 10.1002/jbm.a.31507] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
While the industrial community already employs multiple surface analytical techniques to study compositional wearing of various metallic and nonmetallic materials, as yet, these methods have not been widely introduced into the biological community. We report on a novel approach, using the industrial spectroscopic techniques of X-ray photoelectron spectroscopy, micro-Raman spectroscopy, and scanning electron microscopy equipped with energy dispersive spectroscopy, to identify the fine wear particulates and other impurities deposited within the knee-joint following total knee arthroplasty. In this study, synovial fluid was extracted from knee-joints scheduled for revision of total knee arthroplasty. The small debris flake formed by centrifugation of the fluid was analyzed using the spectroscopic techniques mentioned above. These nondestructive techniques were successful in identifying numerous micron and submicron sized metallic particulates that appear to emanate from both the prosthetic bearing (articulating) surfaces and from backside (nonarticulating) surfaces, even when gross wearing of the prosthetic device was not detectable by direct visual inspection intraoperatively. Most interesting is that the ratio of the in vivo metallic debris is approximately the same ratio as that of the manufactured alloy, indicating prosthetic wearing as opposed to chemical dissolution. More importantly, using these spectroscopic techniques to probe both the surface and below the surface of the synovial deposits, we identify an inhomogeneous distribution of the wear debris. This indicates the need to use multiple techniques in order to adequately identify the elemental composition of the prosthetic wear material.
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Affiliation(s)
- M W Kovacik
- Walter A. Hoyt, Jr. Musculoskeletal Research Laboratory, Department of Orthopaedic Surgery, Summa Health System Hospitals, 444 North Main Street, PO Box 2090, Akron, Ohio 44309-2090, USA.
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Abstract
This paper it supposed to demonstrate how to obtain the hydroxylapatite on the surface of TiAlNb biomaterial used as dental implant. The bone-forming bioactivity of TiAlNb is associated with its chemical and structural properties, including composition, porosity, specific surface area and particle size. After different bioactivation surface treatments as chemical and electrochemical treatments, it was observed a better stability for the TiAlNb alloy that was treated electrochemically.
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Pearle AD, Crow MK, Rakshit DS, Wohlgemuth J, Nestor BJ. Distinct inflammatory gene pathways induced by particles. Clin Orthop Relat Res 2007; 458:194-201. [PMID: 17224841 DOI: 10.1097/blo.0b013e3180320ae8] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The biologic response to particulate load after arthroplasty has not been fully characterized but is believed mediated by proinflammatory cytokines released from mononuclear cells in the periprosthetic region. To investigate the contribution of lymphocytes to expression of proinflammatory genes induced by metal particles, we compared gene expression of mononuclear cells in response to metal and polymethylmethacrylate particles using cDNA microarray profiling. Peripheral blood mononuclear cells and monocytes were stimulated with polymethylmethacrylate and titanium particles of clinically relevant sizes. Polymethylmethacrylate elicited a six- to 12-fold increase in gene expression of tumor necrosis factor alpha, interleukin 1alpha, interleukin 1beta, interleukin 6, and interleukin 8 in purified monocytes and unfractionated peripheral blood mononuclear cells. Although the effect of titanium on stimulation of purified monocytes was modest, stimulation of lymphocyte-containing peripheral blood mononuclear cells by titanium particles resulted in monocyte-derived proinflammatory cytokine expression. In contrast to polymethylmethacrylate, titanium particles stimulated increased expression of T lymphocyte-derived cytokines, including interleukin 2, interferon gamma, interleukin 9, and interleukin 22, in peripheral blood mononuclear cell cultures. The induction of T cell activation by titanium particles suggests lymphocytes may contribute to the inflammation that mediates osteolysis in patients with metallic particulate debris after total joint replacement.
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Affiliation(s)
- Andrew D Pearle
- Shoulder and Sports Medicine Service, Hospital for Special Surgery, New York, NY 10021, USA.
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Keegan GM, Learmonth ID, Case CP. Orthopaedic metals and their potential toxicity in the arthroplasty patient. ACTA ACUST UNITED AC 2007; 89:567-73. [PMID: 17540737 DOI: 10.1302/0301-620x.89b5.18903] [Citation(s) in RCA: 208] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The long-term effects of metal-on-metal arthroplasty are currently under scrutiny because of the potential biological effects of metal wear debris. This review summarises data describing the release, dissemination, uptake, biological activity, and potential toxicity of metal wear debris released from alloys currently used in modern orthopaedics. The introduction of risk assessment for the evaluation of metal alloys and their use in arthroplasty patients is discussed and this should include potential harmful effects on immunity, reproduction, the kidney, developmental toxicity, the nervous system and carcinogenesis.
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Affiliation(s)
- G M Keegan
- University of Bristol, Bristol Implant Research Centre, Avon Orthopaedic Centre (lower level), Southmead Hospital, Westbury-on-Trym, Bristol, BS10 5NB, UK.
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Peter B, Zambelli PY, Guicheux J, Pioletti DP. The effect of bisphosphonates and titanium particles on osteoblasts. ACTA ACUST UNITED AC 2005; 87:1157-63. [PMID: 16049257 DOI: 10.1302/0301-620x.87b8.15446] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
In an attempt to increase the life of cementless prostheses, an hydroxyapatite-coated implant which releases a bisphosphonate has been suggested as a drug-delivery system. Our in vitro study was designed to determine the maximum dose to which osteoblasts could be safely exposed. Our findings demonstrated that zoledronate did not impair the proliferation of human osteoblasts when used at concentrations below 1 μm. Murine cells can be exposed to concentrations as high as 10 μm. A concentration of 0.01% of titanium particles did not impair the proliferation of either cell line. Zoledronate affected the alkaline phosphatase activity of murine osteoblasts through a chelation phenomenon. The presence of titanium particles strongly decreased the alkaline phosphatase activity of murine osteoblasts. We did not detect any synergic effect of zoledronate and titanium particles on the behaviour of both human and murine osteoblasts.
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Affiliation(s)
- B Peter
- Laboratory of Orthopaedic Research, Swiss Federal Institute of Technology, Lausanne, Switzerland
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Garrigues GE, Cho DR, Rubash HE, Goldring SR, Herndon JH, Shanbhag AS. Gene expression clustering using self-organizing maps: analysis of the macrophage response to particulate biomaterials. Biomaterials 2005; 26:2933-45. [PMID: 15603788 DOI: 10.1016/j.biomaterials.2004.06.034] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2004] [Accepted: 06/01/2004] [Indexed: 10/26/2022]
Abstract
The most common cause of total joint replacement failure is peri-implant bone loss causing pain and prosthesis loosening. This process, known as osteolysis or aseptic loosening, is characterized by macrophage phagocytosis of particulate implant wear debris. In an incompletely defined step, particulate biomaterial debris induces macrophages to release a variety of inflammatory mediators and signaling proteins that lead to bone loss. In an in vitro model of this process, we used microarray technology and data analysis techniques, including the use of self-organizing maps (SOMs), to understand the mRNA gene expression changes occurring in macrophages exposed to clinically relevant particles of ultra-high molecular weight polyethylene and TiAlV alloy. Earlier studies have been limited by technology that only allowed analysis of a few genes at a time, but the microarray techniques used in this paper generate the quantitative analysis of over a thousand genes simultaneously. Our microarray analysis utilized an SOM clustering to elucidate general patterns in the data, lists of top up- and down-regulated genes for each time point and genes with differential expression under different biomaterial exposures. The expression levels of the majority of genes (>95%) did not vary over time or with exposure to different biomaterials, but a few important genes, such as TNF-alpha, IL-1beta, IL-6, and MIP1alpha, proved to be highly regulated in response to biomaterial exposure. We also uncovered a novel set of genes, which not only validates and logically extends the current model of the pathogenesis of osteolysis and aseptic loosening, but also provides new targets for further research and therapeutics.
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Affiliation(s)
- Grant E Garrigues
- Biomaterials Laboratory, Massachusetts General Hospital, Harvard Medical School, GRJ 1115, 55 Fruit Street, Boston, MA 02114, USA
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Pioletti DP, Kottelat A. The influence of wear particles in the expression of osteoclastogenesis factors by osteoblasts. Biomaterials 2005; 25:5803-8. [PMID: 15172492 DOI: 10.1016/j.biomaterials.2004.01.053] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2003] [Accepted: 01/27/2004] [Indexed: 11/17/2022]
Abstract
Orthopedic implant failures are often associated with peri-implant osteolysis. Particles generated from the wear process have been suspected to play an important role in this situation. Indeed, the peri-implant osteolysis could be due to the presence of particles stimulating the osteoclastogenesis process. We hypothesize then that the presence of a low particle concentration positively influences osteoblasts to produce osteoclastogenesis factors. If true, this hypothesis would then support the idea that the particles could be at the origin of the process leading to implant loosening. To check the validity of this hypothesis, we quantified in vitro the production of different genes involved in the osteoclastogenesis process using primary isolated human osteoblasts treated or not with particles. Results showed that low concentrations of particles might have a stimulating effect on osteoblasts to produce osteoclastogenesis factors as demonstrated by the increase of RANKL and CSF-1 gene expression in the particle group.
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Affiliation(s)
- Dominique P Pioletti
- Bone Bioengineering Group, Center for Orthopedic Research, Swiss Federal Institute of Technology Lausanne, EPFL, CH-1015 Lausanne, Switzerland.
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Oskouian RJ, Whitehill R, Samii A, Shaffrey ME, Johnson JP, Shaffrey CI. The future of spinal arthroplasty: a biomaterial perspective. Neurosurg Focus 2004; 17:E2. [PMID: 15636558 DOI: 10.3171/foc.2004.17.3.2] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Both total hip and knee arthroplasty have demonstrated outstanding clinical results. The functional spinal unit composed of the intervertebral disc and facet joints is at least as complex. The intricacies of the coupled motions of the functional spinal unit have made development of an artificial disc a challenge. There have been several failed attempts to create a disc replacement that recapitulates normal motion while providing significant longevity and a low incidence of complications.Better understanding of the biomechanics of the intervertebral disc complex and improvements in implant material have made successful intervertebral disc replacement a likely reality, now that several artificial discs have completed Food and Drug Administration clinical trials. In this manuscript the authors detail the biomaterials used in disc arthroplasty and discuss joint wear and the host response to wear debris.
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Affiliation(s)
- Rod J Oskouian
- Department of Neurological Surgery, University of Virginia Health Sciences Center, Charlottesville, Virginia, USA
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Abstract
STUDY DESIGN Generally, implant-induced osteolysis is a manifestation of an adverse cellular response to phagocytosable particulate wear and corrosion debris. Initially termed "cement disease," particle-induced loosening was recognized by Charnley in the early 1960s. Despite the plethora of information gained over the last 40 years on the basic science of periprosthetic bone loss, much remains unanswered. The effect of unintended debris resulting from wear and corrosion (e.g., micromotion between the interconnection mechanisms in spinal implants) remains a clinical concern. The current study highlights what is known of particle-induced osteolysis and how the presence of spinal implant particulate debris deleteriously influences osseointegration of posterolateral bone graft or disrupts an established posterolateral fusion mass. Tissue explant, animal, and cell culture studies have revealed the complexity of cellular reactivity involved in aseptic particle-induced osteolysis. OBJECTIVES The objectives of this study are twofold: 1) to highlight the dominant cellular participants in total joint arthroplasty particle induced osteolysis, which are purportedly the macrophage, osteoblast, fibroblast, and osteoclast and several of the dominant chemical mediators have been identified as well, which include prostaglandin E2, tumor necrosis factor-alpha, interleukin-1, and interleukin-6; and 2) to demonstrate the potential deleterious effects of spinal implant debris using animal models and analysis of soft tissue surrounding spinal implants in symptomatic patients. METHODS There are a growing number of proinflammatory and anti-inflammatory cytokines, prostenoids, and enzymes that have been shown to play important roles in the pathology of particle-induced osteolysis. Reports that aseptic granulomatous inflammation typical of that associated with corrosion debris appear to correlate with the complexity of the implant. Titanium particulate material was used to induce effects in 34 New Zealand White rabbits where analysis included serological quantification of systemic cytokines. Postmortem microradiographic, immunocytochemical, and histopathologic assessment of the intertransverse fusion mass quantified the extent of osteolysis, local proinflammatory cytokines, osteoclasts and inflammatory infiltrates. Clinical analysis of 12 patients more than 0.4 years after spinal implants (mean 4.03, range 0.4 to 11 years) presented with late operative site pain. RESULTS Currently the etiology of this inflammation around spinal implants resembles particle-induced osteolysis around joint arthroplasties where there typically is a self-perpetuating fibroinflammatory zone adjacent to the implant, where macrophage exhaustion, reactive oxygen intermediates, and pro-inflammatory cytokines affect a host of local cell types and induce a widening zone of soft tissue damage and inflammation. Animal model analysis indicated increased levels of local inflammatory cytokines typically associated with osteolysis-tumor necrosis factor-alpha. Osteoclast cell counts and regions of osteolytic resorption lacunas were higher in the titanium-treated versus autograft-alone groups (P < 0.05), and the extent of cellular apoptosis was markedly higher in the titanium-treated sites at both time intervals. Electron microscopy indicated definitive evidence of phagocytized titanium particles and foci of local, chronic inflammatory changes in the titanium-treated sites. CLINICAL CASES 11 of 12 clinical cases demonstrated elevated tumor necrosis factor-alpha levels and an increased osteoclastic response in the vicinity of wear debris caused by dry frictional wear particles of titanium or stainless steel. Resection of the wear debris and surrounding fibroinflammatory zone resolved clinical symptoms in all 12 cases. CONCLUSIONS More basic science and clinical research is needed to develop novel strategies for gaining knowledge, and developing effective evaluation and treatment of patients with implant debris related osteolysis. Titanium debris simulating that produced by spinal implants introduced at the level of a spinal arthrodesis elicits an inflammatory cytokine mediated particulate-induced response through increased expression of intracellular TNF-alpha, increased osteoclastic activity and cellular apoptosis. This study highlighted the association between spinal implants particulate wear debris and increased potential for osteolysis. Aseptic osteolysis is among the primary reasons for failure of orthopedic implants. Increased awareness of this destructive process is becoming more important with the growing popularity of total disc arthroplasty and highly modular spinal implants.
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Affiliation(s)
- Nadim J Hallab
- Department of Orthopaedic Surgery, Rush-Presbyterian-St. Luke's Medical Center, Chicago, Illinois, USA.
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Gallo J, Kamínek P, Tichá V, Riháková P, Ditmar R. Particle disease. A comprehensive theory of periprosthetic osteolysis: a review. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub 2002; 146:21-8. [PMID: 12572890 DOI: 10.5507/bp.2002.004] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Aseptic loosening and osteolysis are considered the main long-term problems of hip arthroplasty. Pathogenesis of periprosthetic osteolysis is multifactorial, and both the biological and mechanical factors seem to play an important role. Bearing surfaces continuously generate excessive amounts of micron and submicron particles provoking an adverse inflammatory response of periprosthetic connective tissues. In general, a key role has been attributed to macrophages. Cytokines, growth factors, PGE2, and enzymes are secreted with activated periprosthetic cells resulting in formation of osteolytic granulomas. The final osteolytic step is taken predominantly by osteoclasts which are getting ready for action mainly by an osteoprotegerin ligand (RANKL) and TNFalpha. Rankl is expressed by activated macrophages, osteoblasts, and lymphocytes. In parallel, a repetitive hydraulic effect of the joint fluid is manifested on the susceptible bone.
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Affiliation(s)
- Jirí Gallo
- Department of Orthopaedic Surgery, Palacký University Faculty of Medicine, 775 15 Olomouc, Czech Republic
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Borovetz HS, Burke JF, Chang TMS, Colas A, Cranin AN, Curtis J, Gemmell CH, Griffith BP, Hallab NJ, Heller J, Hoffman AS, Jacobs JJ, Ideker R, Katz JL, Kennedy J, Lemons JE, Malchesky PS, Morgan JR, Padera RE, Patel AS, Reffojo MF, Roby MS, Rohr TE, Schoen FJ, Sefton MV, Sheridan RT, Smith DC, Spelman FA, Tarcha PJ, Tomapkins RG, Venugopalan R, Wagner WR, Yager P, Yarmush ML. Application of Materials in Medicine, Biology, and Artificial Organs. Biomater Sci 1996. [DOI: 10.1016/b978-012582460-6/50010-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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