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Panez-Toro I, Heymann D, Gouin F, Amiaud J, Heymann MF, Córdova LA. Roles of inflammatory cell infiltrate in periprosthetic osteolysis. Front Immunol 2023; 14:1310262. [PMID: 38106424 PMCID: PMC10722268 DOI: 10.3389/fimmu.2023.1310262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 11/13/2023] [Indexed: 12/19/2023] Open
Abstract
Classically, particle-induced periprosthetic osteolysis at the implant-bone interface has explained the aseptic loosening of joint replacement. This response is preceded by triggering both the innate and acquired immune response with subsequent activation of osteoclasts, the bone-resorbing cells. Although particle-induced periprosthetic osteolysis has been considered a foreign body chronic inflammation mediated by myelomonocytic-derived cells, current reports describe wide heterogeneous inflammatory cells infiltrating the periprosthetic tissues. This review aims to discuss the role of those non-myelomonocytic cells in periprosthetic tissues exposed to wear particles by showing original data. Specifically, we discuss the role of T cells (CD3+, CD4+, and CD8+) and B cells (CD20+) coexisting with CD68+/TRAP- multinucleated giant cells associated with both polyethylene and metallic particles infiltrating retrieved periprosthetic membranes. This review contributes valuable insight to support the complex cell and molecular mechanisms behind the aseptic loosening theories of orthopedic implants.
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Affiliation(s)
- Isidora Panez-Toro
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Chile, Independencia, Santiago, Chile
- Nantes Université, Centre National de Recherche Scientifique (CNRS), UMR6286, US2B, Nantes, France
- Institut de Cancérologie de l’Ouest, Tumor Heterogeneity and Precision Medicine Laboratory, Saint-Herblain, France
| | - Dominique Heymann
- Nantes Université, Centre National de Recherche Scientifique (CNRS), UMR6286, US2B, Nantes, France
- Institut de Cancérologie de l’Ouest, Tumor Heterogeneity and Precision Medicine Laboratory, Saint-Herblain, France
- Nantes Université, Laboratory of Histology and Embryology, Medical School, Nantes, France
- The University of Sheffield, Dept of Oncology and Metabolism, Sheffield, United Kingdom
| | - François Gouin
- Department of Surgical Oncology, Centre Léon Bérard, Lyon, France
| | - Jérôme Amiaud
- Nantes Université, Laboratory of Histology and Embryology, Medical School, Nantes, France
| | - Marie-Françoise Heymann
- Nantes Université, Centre National de Recherche Scientifique (CNRS), UMR6286, US2B, Nantes, France
- Institut de Cancérologie de l’Ouest, Tumor Heterogeneity and Precision Medicine Laboratory, Saint-Herblain, France
| | - Luis A. Córdova
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, University of Chile, Independencia, Santiago, Chile
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
- Oral and Maxillofacial Surgery, Clínica MEDS, Santiago, Chile
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Zhang R, Lin J, Chen F, Chen M. Worldwide Trends of Research on Periprosthetic Osteolysis: A Bibliometric Study Based on VOSviewer. Indian J Orthop 2021; 55:1326-1334. [PMID: 34824732 PMCID: PMC8586394 DOI: 10.1007/s43465-021-00462-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 07/15/2021] [Indexed: 02/04/2023]
Abstract
BACKGROUND Due to the increasing number of joint arthroplasty operations, surgeons have begun to devote more attention to the problem of periprosthetic osteolysis. In recent years, numerous studies have focussed on periprosthetic osteolysis, but there have been no relevant bibliometric studies. METHODS We searched the Web of Science database for relevant articles concerning periprosthetic osteolysis published from 1965 to 2021. The following data were extracted: authors' name, article title, publication journal, impact factor (IF) of the journal in the publication year, keywords, topic of the article, publication country/region, the sum of times cited, H-index and funding sources. VOSviewer and Excel 2019 were used to conduct the bibliometric study and visualise the analysis. RESULTS A total of 1255 publications were included. In all selected articles, "orthopaedics" became the dominant topic (662 of 1255, 52.75%). The most productive years were 2018 and 2019, with a total of 83 publications. The Journal of Arthroplasty published the most articles on periprosthetic osteolysis (110 publications). The United States of America published the most articles (525, 41.83%). The latest keywords "continuous intramedullary infusion", "erythromycin", "autophagy", "bone-resorbing cells" and "proinflammatory cytokines" both appeared in five articles in 2017. CONCLUSION This bibliometric study showed that there is a growing trend in published articles related to periprosthetic osteolysis. Journal of Arthroplasty was the top productive journal on periprosthetic osteolysis. The United States of America dominates studies of periprosthetic osteolysis. "Continuous intramedullary infusion", "erythromycin", "autophagy", "bone-resorbing cells" and "proinflammatory cytokines" may be new research hotspots in the field of periprosthetic osteolysis.
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Affiliation(s)
- Rui Zhang
- Department of Orthopaedics, Fujian, Fujian Medical University Union Hospital, Gulou District, The No. 29 Xinquan Road, Fuzhou, 350000 China
| | - Jiajun Lin
- Department of Orthopaedics, Fujian, Fujian Medical University Union Hospital, Gulou District, The No. 29 Xinquan Road, Fuzhou, 350000 China
| | - Fenyong Chen
- Department of Orthopaedics, Fujian, Fujian Medical University Union Hospital, Gulou District, The No. 29 Xinquan Road, Fuzhou, 350000 China
| | - Min Chen
- Department of Orthopaedics, Fujian, Fujian Medical University Union Hospital, Gulou District, The No. 29 Xinquan Road, Fuzhou, 350000 China
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The Implications of Titanium Alloys Applied in Maxillofacial Osteosynthesis. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10093203] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Titanium alloys are known for their biological, mechanical and chemical properties, which have successfully expanded their use in the maxillofacial field. The internal fixation using titanium miniplates and screws offer a new perspective for the treatment of trauma and in orthognathic surgery and maxillofacial oncology. Although, titanium is highly recommended for its excellent biocompatibility, recent research has focused on identifying the potential local and general implications of the interactions between the human tissue and the metallic particles. This present review aims to outline the existing tissue changes, cellular alterations and future perspectives regarding the use of titanium-based alloys as osteosynthesis materials, taking into consideration the existing present debate whether the routinely removal of these materials should be an indication.
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Alvarez F, Lozano Puerto RM, Pérez-Maceda B, Grillo CA, Fernández Lorenzo de Mele M. Time-Lapse Evaluation of Interactions Between Biodegradable Mg Particles and Cells. MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2016; 22:1-12. [PMID: 26810154 DOI: 10.1017/s1431927615015597] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Mg-based implants have promising applications as biodegradable materials in medicine for orthopedic, dental, and cardiovascular therapies. During wear and degradation microdebris are released. Time-lapse multidimensional microscopy (MM) is proposed here as a suitable tool to follow, in fixed intervals over 24-h periods, the interaction between cells and particles. Results of MM show interactions of macrophages (J774) with the magnesium particles (MgPa) that led to modifications of cell size and morphology, a decrease in duplication rate, and cell damage. Corrosion products were progressively formed on the surface of the particles and turbulence was generated due to hydrogen development. Changes were more significant after treating MgPa with potassium fluoride. In order to complement MM observations, membrane damage as detected by a lactase dehydrogenase (LDH) assay and mitochondrial activity as detected by a WST-1 assay with macrophages and osteoblasts (MC3T3-E1) were compared. A more significant concentration-dependent effect was detected for macrophages exposed to MgPa than for osteoblasts. Accordingly, complementary data showed that viability and cell cycle seem to be more altered in macrophages. In addition, protein profiles and expression of proteins associated with the adhesion process changed in the presence of MgPa. These studies revealed that time-lapse MM is a helpful tool for monitoring changes of biodegradable materials and the biological surrounding in real time and in situ. This information is useful in studies related to biodegradable biomaterials.
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Affiliation(s)
- Florencia Alvarez
- 1Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA),1900 La Plata,Argentina
| | - Rosa M Lozano Puerto
- 2Cell-Biomaterial Recognition Group,Cellular and Molecular Biology Department,Centro de Investigaciones Biológicas (CIB-CSIC),28040 Madrid,Spain
| | - Blanca Pérez-Maceda
- 2Cell-Biomaterial Recognition Group,Cellular and Molecular Biology Department,Centro de Investigaciones Biológicas (CIB-CSIC),28040 Madrid,Spain
| | - Claudia A Grillo
- 1Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA),1900 La Plata,Argentina
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Gallo J, Raska M, Konttinen YT, Nich C, Goodman SB. Innate immunity sensors participating in pathophysiology of joint diseases: a brief overview. J Long Term Eff Med Implants 2015; 24:297-317. [PMID: 25747032 DOI: 10.1615/jlongtermeffmedimplants.2014010825] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The innate immune system consists of functionally specialized "modules" that are activated in response to a particular set of stimuli via sensors located on the surface or inside the tissue cells. These cells screen tissues for a wide range of exogenous and endogenous danger/damage-induced signals with the aim to reject or tolerate them and maintain tissue integrity. In this line of thinking, inflammation evolved as an adaptive tool for restoring tissue homeostasis. A number of diseases are mediated by a maladaptation of the innate immune response, perpetuating chronic inflammation and tissue damage. Here, we review recent evidence on the cross talk between innate immune sensors and development of rheumatoid arthritis, osteoarthritis, and aseptic loosening of total joint replacements. In relation to the latter topic, there is a growing body of evidence that aseptic loosening and periprosthetic osteolysis results from long-term maladaptation of periprosthetic tissues to the presence of by-products continuously released from an artificial joint.
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Affiliation(s)
- Jiri Gallo
- Department of Orthopedics, University Hospital and Faculty of Medicine and Dentistry, Palacky University, Olomouc 775 20, Czech Republic
| | - Milan Raska
- Department of Immunology, Faculty of Medicine & Dentistry, Palacky University, Hnevotinska 3, 775 15 Olomouc, Czech Republic
| | - Yrjo T Konttinen
- Department of Clinical Medicine, University of Helsinki and ORTON Orthopaedic Hospital of the Invalid Foundation, Helsinki, Finland
| | - Christophe Nich
- Laboratoire de Biomecanique et Biomateriaux Osteo-Articulaires - UMR CNRS 7052, Faculte de Medecine - Universite Paris 7, Paris, France; Department of Orthopaedic Surgery, European Teaching Hospital, Assistance Publique - Hopitaux de Paris
| | - Stuart B Goodman
- Department of Orthopaedic Surgery Stanford University Medical Center Redwood City, CA
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Gallo J, Vaculova J, Goodman SB, Konttinen YT, Thyssen JP. Contributions of human tissue analysis to understanding the mechanisms of loosening and osteolysis in total hip replacement. Acta Biomater 2014; 10:2354-66. [PMID: 24525037 DOI: 10.1016/j.actbio.2014.02.003] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Revised: 02/01/2014] [Accepted: 02/03/2014] [Indexed: 12/13/2022]
Abstract
Aseptic loosening and osteolysis are the most frequent late complications of total hip arthroplasty (THA) leading to revision of the prosthesis. This review aims to demonstrate how histopathological studies contribute to our understanding of the mechanisms of aseptic loosening/osteolysis development. Only studies analysing periprosthetic tissues retrieved from failed implants in humans were included. Data from 101 studies (5532 patients with failure of THA implants) published in English or German between 1974 and 2013 were included. "Control" samples were reported in 45 of the 101 studies. The most frequently examined tissues were the bone-implant interface membrane and pseudosynovial tissues. Histopathological studies contribute importantly to determination of key cell populations underlying the biological mechanisms of aseptic loosening and osteolysis. The studies demonstrated the key molecules of the host response at the protein level (chemokines, cytokines, nitric oxide metabolites, metalloproteinases). However, these studies also have important limitations. Tissues harvested at revision surgery reflect specifically end-stage failure and may not adequately reveal the evolution of pathophysiological events that lead to prosthetic loosening and osteolysis. One possible solution is to examine tissues harvested from stable total hip arthroplasties that have been revised at various time periods due to dislocation or periprosthetic fracture in multicenter studies.
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Affiliation(s)
- Jiri Gallo
- Department of Orthopaedics, Faculty of Medicine and Dentistry, University Hospital, Palacky University Olomouc, Czech Republic.
| | - Jana Vaculova
- Department of Pathology, University Hospital Ostrava, Czech Republic
| | - Stuart B Goodman
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Yrjö T Konttinen
- Institute of Clinical Medicine, Department of Medicine, FIN-00029 HUS, Finland; ORTON Orthopaedic Hospital of the Invalid Foundation, Helsinki, Finland; COXA Hospital for Joint Replacement, Tampere, Finland
| | - Jacob P Thyssen
- Department of Dermatology and Allergology, Copenhagen University, Hospital Gentofte, Denmark
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7
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Obando-Pereda GA, Fischer L, Stach-Machado DR. Titanium and zirconia particle-induced pro-inflammatory gene expression in cultured macrophages and osteolysis, inflammatory hyperalgesia and edema in vivo. Life Sci 2013; 97:96-106. [PMID: 24252315 DOI: 10.1016/j.lfs.2013.11.008] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Revised: 11/07/2013] [Accepted: 11/08/2013] [Indexed: 12/18/2022]
Abstract
AIMS The biological reaction to wear debris is critical to the osteolysis underlying aseptic loosening of joint prosthetic implants. In an attempt to reduce aseptic loosening, ceramics have been introduced. This study was designed to evaluate, compare and correlate the expression of Toll-like receptors (TLRs), their intracellular adaptors and proinflammatory cytokines in cultured macrophages challenged with titanium or zirconia particles, as well as particle-induced osteolysis in calvaria and hyperalgesia and edema in hind paw. MAIN METHODS TLRs and their adaptors were evaluated at the mRNA level by RT-PCR, and cytokine expression was evaluated at the mRNA and protein levels. Osteolysis and hyperalgesia and edema were evaluated in vivo, in calvaria and hind paw, respectively. KEY FINDINGS Cultured macrophages challenged with zirconia or titanium particles expressed increased mRNA for TLRs 2, 3, 4 and 9, and their adaptors MyD88, TRIF and NF-κB and cytokines TNF-α, IL-1β and IL-6, which were also increased at protein level. Quantitative differences are evident and, in general, zirconia particle-induced pro-inflammatory gene expression was lower than that induced by titanium particles. In in vivo experiments, exposition to titanium or zirconia particles induced osteolysis in calvaria and hyperalgesia and edema in hind paw; however those induced by zirconia particles were significantly lower. There is a strong and positive correlation between the expressions of mRNA for TLR4, NF-κB, TNF-α, IL-1β and IL-6. SIGNIFICANCE Collectively, our data suggest that zirconia ceramic particles are less bioactive than titanium particles.
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Affiliation(s)
- G A Obando-Pereda
- Laboratory of Applied Immunology, Department of Anatomy, Cell Biology, Physiology and Biophysics, Institute of Biology, IB/UNICAMP, Campinas, Sao Paulo, Brazil
| | - L Fischer
- Laboratory of Pain Physiology, Department of Physiology, Federal University of Parana, Curitiba, Parana, Brazil.
| | - D R Stach-Machado
- Laboratory of Applied Immunology, Department of Anatomy, Cell Biology, Physiology and Biophysics, Institute of Biology, IB/UNICAMP, Campinas, Sao Paulo, Brazil
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Qian Y, Zhang XL, Zeng BF, Jiang Y, Shen H, Wang Q. Substance P enhanced titanium particles-induced RANKL expression in fibroblasts from periprosthetic membrane. Connect Tissue Res 2013; 54:361-6. [PMID: 23869610 DOI: 10.3109/03008207.2013.823953] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Aseptic loosening remains the primary cause of failure in total joint arthroplasty. Implant-derived particles are thought to be a main cause of osteolysis that leads to the failure. Substance P (SP) immunoreactive nerve fibers have been detected in the periprosthetic membrane of aseptic loose hip prostheses. We isolated fibroblasts from periprosthetic membrane. Fibroblasts were examined by real-time RT-PCR and enzyme-linked immunosorbent assay for expression of the receptor activator of nuclear factor kappa B ligand (RANKL), osteoprotegerin (OPG), cyclooxygenase (COX)-1, and COX-2. Experiments were performed in the presence and absence of titanium particles, SP and NS-398 (a selective COX-2 inhibitor). Titanium particles or SP stimulated RANKL and COX-2 expression in fibroblasts, whereas NS-398 inhibited RANKL production, suggesting a COX-2-mediated event. Moreover, SP enhanced COX-2 and RANKL expression by titanium particles-stimulated fibroblasts. Thus, SP and titanium particles acted synergistically to increase RANKL expression.
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Affiliation(s)
- Yebin Qian
- Department of Orthopaedic Surgery, Sixth People's Hospital, College of Medcine, Shanghai Jiao Tong University , Shanghai , China
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Jiang Y, Jia T, Gong W, Wooley PH, Yang SY. Titanium particle-challenged osteoblasts promote osteoclastogenesis and osteolysis in a murine model of periprosthestic osteolysis. Acta Biomater 2013; 9:7564-72. [PMID: 23518478 DOI: 10.1016/j.actbio.2013.03.010] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2012] [Revised: 02/28/2013] [Accepted: 03/04/2013] [Indexed: 02/07/2023]
Abstract
The current study investigates the interactive behavior of titanium alloy particle-challenged osteoblastic bone marrow stromal cells (BMSCs) and macrophage lineage cells in a murine knee-prosthesis failure model. BMSCs were isolated from male BALB/c mice femurs and induced in osteogenic medium. At 24h after isolation, BMSCs in complete induction medium were challenged with 1, 3 or 5mgml(-1) titanium particles for 7days. Culture media were collected at 2, 4 and 6days and cells were harvested at 7days for alkaline phosphatase (ALP) assay/stains. Cell proliferation in the presence of Ti particles was periodically evaluated by MTT assay. Mice implanted with titanium-pin tibial implants were given an intra-articular injection of 50μl medium containing 5×10(5) Ti particles-challenged bone-marrow-derived osteoblastic cells, followed by a repeat injection at 2weeks post-operation. Control mice with titanium-pin implants received a naïve osteoblastic cell transfusion. After sacrifice at 4weeks, the implanted knee joint of each group was collected for biomechanical pin-pullout testing, histological evaluation and reverse transcriptase polymerase chain reaction analysis of mRNA extracted from the joint tissues. Ti particles significantly stimulated the proliferation of BMSC-derived osteoblastic cells at both high and low particle concentrations (p<0.05), with no marked differences between the particle doses. ALP expression was diminished following Ti particle interactions, especially in the high-dose particle group (p<0.05). In addition, the culture media collected from short-term challenged (48h) osteoblasts significantly increased the numbers of TRAP+ cells when added to mouse peripheral blood monocytes cultures, in comparison with the monocytes cells receiving naïve osteoblasts media (p<0.05). Intra-articular introduction of the osteoblastic cells to the mouse pin-implant failure model resulted in reduced implant interfacial shear strength and thicker peri-implant soft-tissue formation, suggesting that titanium particles-challenged osteoblasts contributed to periprosthetic osteolysis. Comparison of the gene expression profiles among the peri-implant tissue samples following osteoblast injection did not find significant difference in RunX2 or Osterix/Sp7 between the groups. However, MMP-2, IL-1, TNF-α, RANKL, and TRAP gene expressions were elevated in the challenged-osteoblast group (p<0.05). In conclusion, titanium alloy particles were shown to interfere with the growth, maturation, and functions of the bone marrow osteoblast progenitor cells. Particle-challenged osteoblasts appear to express mediators that regulate osteoclastogenesis and peri-prosthetic osteolysis.
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Saunders MM, Brecht JS, Verstraete MC, Kay DB, Njus GO. Lower limb direct skeletal attachment. A Yucatan micropig pilot study. J INVEST SURG 2013; 25:387-97. [PMID: 23215796 DOI: 10.3109/08941939.2012.670366] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Regardless of the type of prosthetic lower limb, successful ambulation requires proper prosthetic attachment. To help alleviate many of the problems associated with prosthetic attachment, direct skeletal attachment (DSA) has been proposed as an alternative to conventional sockets. The purpose of the current study was to evaluate the feasibility of lower limb DSA in a micropig model and to develop a systematic approach to the development and analysis of DSA systems. The DSA device consisted of two stages. The load-carrying stage embedded in the bone canal was designed using bone remodeling theory in conjunction with finite element analysis to approximate implant-induced remodeling and stabilization out to 36 months postimplantation. The skin-interfacing stage was designed to maintain an immutable infection barrier where the prosthesis exited the body. Following successful design, fabrication, and benchtop evaluation, the device was surgically implanted in a Yucatan micropig. The animal trial was successful out to 10 weeks and revealed potential flaws in the surgical protocol related to thermal necrosis. However, no signs of infection were present at the time of implant retrieval. While results of this pilot study support the feasibility of a DSA approach to prosthetic limb attachment, additional animal trials are necessary to prove long-term viability.
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Affiliation(s)
- Marnie M Saunders
- Department of Biomedical Engineering, The University of Akron, Akron, OH 44325, USA.
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Jiang Y, Jia T, Gong W, Wooley PH, Yang SY. Effects of Ti, PMMA, UHMWPE, and Co-Cr wear particles on differentiation and functions of bone marrow stromal cells. J Biomed Mater Res A 2013; 101:2817-25. [PMID: 24039045 DOI: 10.1002/jbm.a.34595] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Revised: 12/07/2012] [Accepted: 01/09/2013] [Indexed: 11/10/2022]
Abstract
This study investigates the roles of orthopedic biomaterial particles [Ti-alloy, poly(methyl methacrylate) (PMMA), ultrahigh-molecular-weight polyethylene (UHMWPE), Co-Cr alloy] on the differentiation and functions of bone marrow stromal cells (BMSCs). Cells were isolated from femurs of BALB/c mice and cultured in complete osteoblast-induction medium in presence of micron-sized biomaterial particles at various doses. 3-(4,5)-Dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide assay and lactate dehydrogenase assay were performed for cell proliferation and cytotoxicity. Differentiation and function of osteoblasts were evaluated by alkaline phosphatase (ALP), osteocalcin, RANKL, OSX, and Runx2 expressions. Murine interleukin-1 (IL-1), IL-6, and tumor necrosis factor-α in culture media were determined by enzyme-linked immunosorbent assay. Challenge with low doses of Ti, UHMWPE, or Co-Cr particles markedly promoted the bone marrow cell proliferation while high dose of Co-Cr significantly inhibited cell growth (p < 0.05). Cells challenged with low dose of PMMA or UHMWPE particles (0.63 mg/mL) exhibited strong ALP activity, whereas Ti and Co-Cr groups showed minimal effects (p < 0.05). UHMWPE and Ti particles also promoted higher expression of proinflammatory cytokines. Real-time polymerase chain reaction data suggested that cells treated with low dose (0.5 mg/mL) particles resulted in distinctly diminished RANKL expression compared to those exposed to high concentrated (3 mg/mL) particles. In conclusion, various types of wear debris particles behaved differently in the differentiation, maturation, and functions of osteogenic cells; and the particulate debris-interacted BMSCs may play an important role in the pathogenesis and process of the debris-associated aseptic prosthetic loosening.
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Affiliation(s)
- Yunpeng Jiang
- Orthopaedic Research Institute, Via Christi Wichita Hospitals, Wichita, Kansas; Jinan Central Hospital Affiliated to Shandong University, Jinan, Shandong, People's Republic of China; Department of Biological Sciences, Wichita State University, Wichita, Kansas
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12
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Rose SF, Weaver CL, Fenwick SA, Horner A, Pawar VD. The effect of diffusion hardened oxidized zirconium wear debris on cell viability and inflammation-An in vitro study. J Biomed Mater Res B Appl Biomater 2012; 100:1359-68. [DOI: 10.1002/jbm.b.32704] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2011] [Revised: 01/06/2012] [Accepted: 03/05/2012] [Indexed: 11/10/2022]
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Baxter RM, Freeman TA, Kurtz SM, Steinbeck MJ. Do tissues from THA revision of highly crosslinked UHMWPE liners contain wear debris and associated inflammation? Clin Orthop Relat Res 2011; 469:2308-17. [PMID: 21136220 PMCID: PMC3126969 DOI: 10.1007/s11999-010-1713-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Polyethylene wear debris is a major contributor to inflammation and the development of implant loosening, a leading cause of THA revisions. To reduce wear debris, highly crosslinked ultrahigh-molecular-weight polyethylene (UHMWPE) was introduced to improve wear properties of bearing surfaces. As highly crosslinked UHMWPE revision tissues are only now becoming available, it is possible to examine the presence and association of wear debris with inflammation in early implant loosening. QUESTIONS/PURPOSES We asked: (1) Does the presence of UHMWPE wear debris in THA revision tissues correlate with innate and/or adaptive immune cell numbers? (2) Does the immune cell response differ between conventional and highly crosslinked UHMWPE cohorts? METHODS We collected tissue samples from revision surgery of nine conventional and nine highly crosslinked UHMWPE liners. Polarized light microscopy was used to determine 0.5- to 2-μm UHMWPE particle number/mm2, and immunohistochemistry was performed to determine macrophage, T cell, and neutrophil number/mm2. RESULTS For the conventional cohort, correlations were observed between wear debris and the magnitude of individual patient macrophage (ρ=0.70) and T cell responses (ρ=0.71) and between numbers of macrophages and T cells (ρ=0.77) in periprosthetic tissues. In comparison, the highly crosslinked UHMWPE cohort showed a correlation between wear debris and the magnitude of macrophage responses (ρ=0.57) and between macrophage and T cell numbers (ρ=0.68). Although macrophages and T cells were present in both cohorts, the highly crosslinked UHMWPE cohort had lower numbers, which may be associated with shorter implantation times. CONCLUSIONS The presence of wear debris and inflammation in highly crosslinked UHMWPE revision tissues may contribute to early implant loosening.
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Affiliation(s)
- Ryan M. Baxter
- School of Biomedical Engineering, Science and Health Systems, Drexel University, 323 Bossone, 3120 Market Street, Philadelphia, PA 19104 USA
| | - Theresa A. Freeman
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, PA USA
| | | | - Marla J. Steinbeck
- School of Biomedical Engineering, Science and Health Systems, Drexel University, 323 Bossone, 3120 Market Street, Philadelphia, PA 19104 USA
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Baxter RM, Ianuzzi A, Freeman TA, Kurtz SM, Steinbeck MJ. Distinct immunohistomorphologic changes in periprosthetic hip tissues from historical and highly crosslinked UHMWPE implant retrievals. J Biomed Mater Res A 2010; 95:68-78. [PMID: 20740602 DOI: 10.1002/jbm.a.32813] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Assessment of immune response to implant wear debris in periprosthetic tissue following total hip arthroplasty suggests that multiple factors are involved in the loss implant function. The current study investigated wear debris and the associated immunohistomorphologic changes in tissues from nine patients with historical (gamma air-sterilized) and nine highly crosslinked UHMWPE implant components. Paraffin embedded tissue sections were evaluated for the presence of histiocytes, giant cells, fibrocartilage/bone, and necrosis. To determine the incidence, degree and co-localization of immunohistomorphologic changes and wear, overlapping full-field tissue arrays were collected in brightfield and polarized light. The historical cohort tissues predominantly showed histiocytes associated with significant accumulations of small wear (0.5-2 microm), and giant cells associated with large wear (> or =2 microm). Frequently, focal regions of necrosis were observed in association with wear debris. For the highly crosslinked cohort, inflammation and associated wear debris were limited, but in tissues from patients revised after implantation times of >2 years a response was observed. Whereas significant amounts of fibrocartilage/bone were observed in patients at earlier implantation times. In both cohorts, tissue responses were more extensive in the retroacetabular or proximal femoral regions. The current findings suggest that wear debris-induced inflammation may be a major contributor to the loss of implant function for both the historical and highly crosslinked cohorts, but it is not the primary cause of early implant loosening. This study highlights the importance of using a more quantitative and standardized assessment of immunohistomorphologic responses in periprosthetic tissues, and emphasizes differences in specific anatomical regions of individual patient tissues.
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Affiliation(s)
- Ryan M Baxter
- Department of Biomedical Engineering, School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, Pennsylvania 19104, USA
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Zhang L, Jia TH, Chong ACM, Bai L, Yu H, Gong W, Wooley PH, Yang SY. Cell-based osteoprotegerin therapy for debris-induced aseptic prosthetic loosening on a murine model. Gene Ther 2010; 17:1262-9. [PMID: 20428210 PMCID: PMC2914841 DOI: 10.1038/gt.2010.64] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Exogenous OPG gene modification appears a therapeutic strategy for osteolytic aseptic loosening. The feasibility and efficacy of a cell-based OPG gene delivery approach were investigated using a murine model of knee prosthesis failure. A titanium pin was implanted into mouse proximal tibia to mimic a weight-bearing knee arthroplasty, followed by titanium-particles challenge to induce periprosthetic osteolysis. Mouse fibroblast-like synoviocytes were transduced in vitro with either AAV-OPG or AAV-LacZ before transfused into the osteolytic prosthetic joint 3 weeks post surgery. Successful transgene expression at the local site was confirmed 4 weeks later after sacrifice. Biomechanical pull-out test indicated a significant restoration of implant stability following the cell-based OPG gene therapy. Histology revealed that inflammatory pseudo-membranes existed ubiquitously at bone-implant interface in control groups, while only observed sporadically in OPG gene-modified groups. TRAP+ osteoclasts and TNFα, IL-1β, CD68+ expressing cells were significantly reduced in periprosthetic tissues of OPG gene-modified mice. No transgene dissemination or tumorigenesis was detected in remote organs and tissues. Data suggest that cell based ex vivo OPG gene therapy was comparable in efficacy with in vivo local gene transfer technique to deliver functional therapeutic OPG activities, effectively halted the debris-induced osteolysis and regained the implant stability in this model.
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Affiliation(s)
- L Zhang
- Orthopaedic Research Institute, Via Christi Regional Medical Center, 929 N St Francis Street, Wichita, KS 67214, USA
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16
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Kim JY, Khang D, Lee JE, Webster TJ. Decreased macrophage density on carbon nanotube patterns on polycarbonate urethane. J Biomed Mater Res A 2009; 88:419-26. [PMID: 18306321 DOI: 10.1002/jbm.a.31799] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Nanotechnology is creating materials that can regenerate numerous tissues (including those used for bone, vascular, cartilage, bladder, and neuronal systems) better than what is currently being implanted. Despite this promise, little is known about the functions of wound healing cells (such as macrophages) on nanomaterials. Carbon nanotubes are intriguing nanomaterials for implantation due to their unique biologically inspired surface, electrical, and mechanical properties. For the above reasons, the objective of the present study was to investigate macrophage function on one promising type of nano-implant material for orthopedic applications (carbon nanotubes microscopically aligned on polymers). To align carbon nanotubes on polymers, a novel imprinting method placing carbon nanotubes in grids of defined spacings (from 30 to 100 microm) on a polymer matrix was developed. In this study, the selective adhesion and proliferation of macrophages after 4 h, 24 h, and 4 days on aligned regions of a currently implanted polymer (specifically, polycarbonate urethane) compared to aligned carbon nanotube patterns were found. That is, decreased macrophage functions were observed in this study on aligned regions of carbon nanotubes compared to polycarbonate urethane. The present in vitro study, thus, provided evidence of the ability of carbon nanotubes to down-regulate macrophage adhesion and proliferation which is important to decrease a harmful persistence wound-healing reaction to orthopedic implants.
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Affiliation(s)
- Jong Youl Kim
- Department of Anatomy, BK21 Project for Medical Sciences, College of Medicine, Yonsei University, Seoul, South Korea
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17
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TAMAKI YASUNOBU, TAKAKUBO YUYA, GOTO KAORU, HIRAYAMA TOMOYUKI, SASAKI KAN, KONTTINEN YRJÖT, GOODMAN STUARTB, TAKAGI MICHIAKI. Increased Expression of Toll-like Receptors in Aseptic Loose Periprosthetic Tissues and Septic Synovial Membranes Around Total Hip Implants. J Rheumatol 2009; 36:598-608. [DOI: 10.3899/jrheum.080390] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Objective.Toll-like receptors (TLR) are transmembrane proteins found in various cells. They recognize infectious and endogenous threats, so-called danger signals, that evoke inflammation and assist adaptive immune reactions. It has been suggested that TLR play a role in periprosthetic tissues and arthritic synovium. Our objective was to elucidate tissue localization and functional roles of TLR in periprosthetic tissues in 2 different pathologic conditions, aseptic and septic implant loosening.Methods.For immunohistochemistry studies, aseptic synovial-like membranes of periprosthetic connective tissues (n = 15) and septic synovial capsular tissues (n = 5) were obtained at revision surgery and from salvage of infected totally replaced hips, respectively. Osteoarthritic synovial tissues were used for comparison (n = 5). Samples were processed for immunohistopathologic analyses for tissue colocalization of TLR with CD68 and/or CD15 using theAlexa fluorescent system. Total RNA was isolated from frozen tissues and converted into cDNA, TLR 2, 4, 5 and 9 sequences were amplified, and the products were quantified using real-time polymerase chain reaction.Results.Immunofluorescent staining showed colocalization of TLR 2, 4, 5, and 9 with CD68 in the focal monocyte/macrophage aggregates in aseptic synovial-like membranes from loose total hip replacements. TLR 2, 4, 5, and 9 were also found colocalized with CD15+ polymorphonuclear leukocytes and CD68+ mononuclear cells of the synovial membranes from septic total hip replacements. In osteoarthritic synovial tissues, expression of TLR was found only in vascular cells and mononuclear cells, and the reactivity was weak. mRNA levels of TLR 2, 4, 5, and 9 were increased in both aseptic and septic periprosthetic tissues. TLR 2 and 5 were significantly higher than TLR 4 and 9 in aseptic and septic samples.Conclusion.Peri-implant tissues were well equipped with TLR in both aseptic and septic conditions. TLR 2- and TLR 5-mediated responses seemed to dominate. In aseptic loosening, monocytes/ macrophages were the main TLR-equipped cells apparently responsible for alarmin-induced responses. This could lead to production of inflammatory cytokines and extracellular matrix-degrading proteinases after phagocytosis of wear debris derived from an implant, but in septic cases they eventually respond to microbial components. Thus, inflammatory cells in both aseptic and septic tissues were equipped with TLR, providing them with responsiveness to both endogenous and exogenous TLR ligands.
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Hoenders CSM, Harmsen MC, van Luyn MJA. The local inflammatory environment and microorganisms in “aseptic” loosening of hip prostheses. J Biomed Mater Res B Appl Biomater 2008; 86:291-301. [DOI: 10.1002/jbm.b.30992] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Ren W, Markel DC, Schwendener R, Ding Y, Wu B, Wooley PH. Macrophage depletion diminishes implant-wear-induced inflammatory osteolysis in a mouse model. J Biomed Mater Res A 2008; 85:1043-51. [PMID: 17937417 DOI: 10.1002/jbm.a.31665] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The purpose of this study was to determine whether macrophage depletion using clodronate liposomes diminishes wear-debris-induced inflammatory osteolysis in a murine osteolysis model. Ultra high molecular weight polyethylene (UHMWPE) particles were introduced into established air pouches on BALB/c mice, followed by implantation of calvaria bone from syngeneic littermates. Macrophages were depleted by the intraperitoneal injection of clodronate liposome (2 mg) 2 days before bone implantation and re-injection every 3 days (1 mg) until the sacrifice of the mice. Mice without clodronate liposome therapy or treated with empty liposome as well as mice injected with saline alone were included in this study as controls. Pouch tissues were collected 14 days after bone implantation for molecular and histology analysis. Our findings indicated that (1) macrophage depletion in clodronate-liposome-treated mice was achieved, as illustrated by F4/80 immunostaining in both pouch and spleen tissues; (2) clodronate-liposome treatment significantly reduced UHMWPE-induced tissue inflammation, with diminished pouch membrane thickness, reduced inflammatory cellular infiltration, and lowered interleukin 1beta (IL-1beta) and tumor necrosis factor alpha (TNFalpha) expression; (3) clodronate-liposome treatment markedly reduced the number of TRAP(+) cells in pouch tissues and protected against bone collagen depletion. In conclusion, this study demonstrates that macrophage depletion using clodronate-liposome reduces UHMWPE particle-induced inflammatory osteolysis. This observation supports the hypothesis that macrophages contribute to the severity of UHMWPE particles induced inflammatory osteolysis, and suggest that macrophage depletion represents a viable therapeutic approach to the prevention and treatment of patients with aseptic loosening.
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Affiliation(s)
- Weiping Ren
- Department of Biomedical Engineering, Wayne State University, Detroit, Michigan 48201, USA.
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20
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Qian Y, Zeng BF, Zhang XL, Jiang Y. Substance P stimulates production of interleukin 1beta and tumor necrosis factor alpha in fibroblasts from hip periprosthetic membrane. J Arthroplasty 2008; 23:581-5. [PMID: 18514878 DOI: 10.1016/j.arth.2007.06.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2006] [Accepted: 06/18/2007] [Indexed: 02/01/2023] Open
Abstract
Aseptic loosening remains the primary cause of failure in total joint arthroplasty. Substance P (SP)-immunoreactive nerve fibers have been detected in the pseudomembrane and pseudocapsular tissues of aseptic loose hip prostheses, suggesting that SP might be involved in the process of aseptic loosening. We isolated fibroblasts from periprosthetic membrane at the time of revision hip arthroplasty performed because of aseptic loosening. Fibroblasts were incubated in the presence of various concentrations of SP, and the levels of interleukin 1beta, and tumor necrosis factor alpha in the media were determined using enzyme-linked immunosorbent assay kit. We found that the levels of interleukin 1beta and tumor necrosis factor alpha increased in a time- and concentration-dependent manner. Our results suggested that SP might be involved in the pathogenesis of aseptic loosening.
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Affiliation(s)
- Yebin Qian
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital, Medical College of Shanghai Jiao Tong University, Shanghai, China
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21
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Bragg B, Epstein NJ, Ma T, Goodman S, Smith RL. Histomorphometric analysis of the intramedullary bone response to titanium particles in wild-type and IL-1R1 knock-out mice: a preliminary study. J Biomed Mater Res B Appl Biomater 2008; 84:559-70. [PMID: 17618512 DOI: 10.1002/jbm.b.30904] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Aseptic loosening of implants following total joint arthroplasty remains a major cause of implant failure. Particulate debris generated primarily from wear results in inflammatory mediated periprosthetic osteolysis. Titanium is a commonly utilized metal in joint arthroplasty and titanium debris induces the production of the pro-inflammatory cytokine IL-1. To further elucidate the role of IL-1, this study examined the response of murine femora to the presence of titanium particles following implantation of an intramedullary rod in mice lacking the receptor for IL-1. We hypothesized that the inflammatory effects of wear debris on bone would be mitigated in IL-1R1 deficient mice with a resultant decrease in resorption. Femora receiving titanium particles demonstrated a marked inflammatory response in wild-type mice with increased endocortical resorption, periprosthetic membrane formation, and significant histomorphometric changes. Femora exposed to titanium particles in the knockout mice also demonstrated osteolysis with irregular deposition of trabecular bone and increased cortical porosity. The persistence of inflammation and osteolysis, despite the lack of functional IL-1R1, suggests a multi-factorial role for IL-1 in the proinflammatory cascade resulting from wear debris. This intramedullary murine model provides the ability to evaluate and quantify the proinflammatory cascade in an in vivo model approximating prosthesis failure.
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Affiliation(s)
- Bill Bragg
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Stanford, California, USA.
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22
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Endres S, Bartsch I, Stürz S, Kratz M, Wilke A. Polyethylene and cobalt-chromium molybdenium particles elicit a different immune response in vitro. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2008; 19:1209-14. [PMID: 17701308 DOI: 10.1007/s10856-007-3104-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2006] [Accepted: 06/14/2006] [Indexed: 05/16/2023]
Abstract
Periprosthetic osteolysis is a major clinical problem that limits the long-term survival of total joint arthroplasties. Particles of prosthetic material stimulate immune competent cells to release cytokines, which may cause bone loss and loosening of the prosthesis. This study examined the following hypothesis. Polyethylene and titanium particles elicit a different immune response in vitro. To test these hypotheses, we used the human bone marrow cell culture model that we have established and previously used to examine particle associated cytokine release. Ultra high molecular weight polyethylene (UHMW-PE) induced a proliferation of CD14 positive cells (monocytes/macrophages) whereas cobalt chromium molybdenium (CoCrMb) particles demonstrated an increased proliferation of CD66b positive cells (granulocytes). Light and scanning microscopic evaluation revealed that the UHMW-PE particles, which have built large clusters of particles (Ø7, 5 microm), were mainly surrounded by the cells and less phagocytosed. On the other hand the smaller particles from CoCrMb have been phagocytosed by the cells. These results provide strong support for our hypothesis: that wear particles derived from prosthetic materials of different material can elicit significantly different biologic responses. In summary the results suggest that the "in vitro" response to wear particles of different biomaterials should be investigated by culture systems of various lineages of cells.
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Affiliation(s)
- Stefan Endres
- Department of Experimental Orthopaedics and Biomechanics, University of Marburg, Baldingerstrasse, 35039 Marburg, Germany.
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23
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Tamaki Y, Sasaki K, Sasaki A, Takakubo Y, Hasegawa H, Ogino T, Konttinen YT, Salo J, Takagi M. Enhanced osteolytic potential of monocytes/macrophages derived from bone marrow after particle stimulation. J Biomed Mater Res B Appl Biomater 2008; 84:191-204. [PMID: 17514728 DOI: 10.1002/jbm.b.30861] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
BACKGROUND Total hip replacement can be complicated by periprosthetic osteolysis. Monocytes/macrophages play a major role in the formation of the foreign body granulomas induced by wear debris. We hypothesized that periprosthetic monocytes/macrophages do not only accelerate inflammatory and osteoclast-mediated osteolytic processes, but also resorb periprosthetic bone directly by themselves. This study was designed to evaluate the osteolytic potential in vitro of monocytes/macrophages derived from bone marrow. METHODS Monocytes/macrophages were produced by filtration of rat bone marrow cells, followed by culture in the presence of macrophage-colony stimulating factor (M-CSF). Monocyte/macrophage properties were ascertained using immunocytochemistry and phagocytic activity. Osteolytic cytokines and extracellular matrix degrading proteinases were quantified at the mRNA level. RESULTS Adherent cell fraction was immunoreactive for the monocyte/macrophage specific marker CD68 and active in the phagocytosis of carbon particles up to 72 h. They also showed immunoreactivity to cathepsin K, IL-1beta, IL-6, and M-CSF, but mostly did not react to TRAP. mRNA levels of osteolytic cytokines and extracellular matrix degrading proteinases were enhanced, but that of RANKL were not. Monocytes/macrophages resorbed dentine discs and carbonated calcium phosphate was very actively resorbed after stimulation with titanium particles. DISCUSSION Harvested bone marrow cells expressed monocyte/macrophage phenotype, but not osteoclastic markers. The capacity of these cathepsin-K-positive phagocytic cells to resorb dentine discs and carbonated calcium phosphate in vitro suggests a direct role of monocytes/macrophages in bone resorption and periprosthetic osteolysis. The finding supports our hypothesis and previous histomorphometric observations on the presence of such osteolytic macrophages in vivo around loosening prosthesis.
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Affiliation(s)
- Yasunobu Tamaki
- Department of Orthopaedic Surgery, Yamagata University School of Medicine, Yamagata 990-9585, Japan.
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Streich NA, Gotterbarm T, Jung M, Schneider U, Heisel C. Biochemical markers of bone turnover in aseptic loosening in hip arthroplasty. INTERNATIONAL ORTHOPAEDICS 2007; 33:77-82. [PMID: 18084760 DOI: 10.1007/s00264-007-0477-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2007] [Revised: 09/19/2007] [Accepted: 09/21/2007] [Indexed: 11/25/2022]
Abstract
The aim of this study was to determine the diagnostic value of systemic biochemical markers of bone turnover in aseptic loosening in hip arthroplasty, namely the urine levels of three bone resorption peptides - crosslinked n-telopeptides (NTX), c-telopeptides (CTX I) and deoxypyridinoline (DPD). We compared 52 patients with surgically proven component loosening with 52 patients without clinical or radiological signs of endoprosthetic loosening and 52 healthy individuals. All three markers were measured using commercially available enzyme-linked immunoassays. We found significantly increased levels of DPD in the loosening group (p < 0.05), but there was no significant difference between the loosening group and the two reference groups for the other two markers tested. Our data suggest that DPD can be used as an additional tool in the diagnosis of aseptic loosening in hip arthroplasty but CTX I and NTX have no predictive value in this context.
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Affiliation(s)
- Nikolaus A Streich
- Department of Orthopaedic Surgery, University of Heidelberg, Schlierbacher Landstrasse 200a, 69118, Heidelberg, Germany.
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25
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Suzuki Y, Nishiyama T, Hasuda K, Fujishiro T, Niikura T, Hayashi S, Hashimoto S, Kurosaka M. Effect of etidronate on COX-2 expression and PGE(2) production in macrophage-like RAW 264.7 cells stimulated by titanium particles. J Orthop Sci 2007; 12:568-77. [PMID: 18040640 DOI: 10.1007/s00776-007-1180-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2007] [Accepted: 08/29/2007] [Indexed: 11/28/2022]
Abstract
BACKGROUND The most common failure of total joint replacement is aseptic loosening in association with osteolysis. Previous reports have shown that prostaglandin E(2) (PGE(2)) secreted from macrophages that phagocytosed wear debris induced periprosthetic osteolysis. Many clinical studies have reported that bisphosphonate therapy reduced periprosthetic bone loss and loosening of the implants after total joint replacements. Bisphosphonates are synthetic compounds with the ability to decrease bone resorption. In addition, some bisphosphonates have been reported to have anti-inflammatory effects by reducing the secretion of pro-inflammatory cytokines. However, the mechanism of bisphosphonates that reduces periprosthetic bone resorption remains unclear. The purpose of this study was to investigate one of the mechanisms by which etidronate (EHDP) inhibits periprosthetic bone resorption. METHODS Macrophage-like RAW 264.7 cells were treated with EHDP at concentrations of 0.001, 0.01, 0.1, 1, 10, and 100 microM together with the titanium particles at a concentration of 1 mg/ml. After a 24-h culture period, total mRNA was isolated and reverse transcription-polymerase chain reaction (RT-PCR) was done to examine the expression of cyclooxygenase-2 (COX-2). The supernatants were also collected and production of PGE(2), interleukin-1beta (IL-1beta), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-alpha) were quantified using an enzyme-linked immunosorbent assay (ELISA). RESULTS Analyses showed that COX-2 expression and PGE(2) production were suppressed by EHDP in a dose-dependent manner. By 100 microM of EHDP, PGE(2) production of the cells was suppressed approximately to the level of the nonstimulated cells. Production of IL-1beta, IL-6, and TNF-alpha in the supernatant was also suppressed by EHDP. CONCLUSIONS The blockage effect of pro-inflammatory cytokines is a possible etidronate mechanism that reduces bone resorption around implants.
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Affiliation(s)
- Yoshihiro Suzuki
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, 650-0017, Japan
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Qian Y, Zeng BF, Zhang XL, Jiang Y. Substance P augments PGE2 and IL-6 production in titanium particles-stimulated fibroblasts from hip periprosthetic membrane. J Biomed Mater Res A 2007; 83:401-6. [PMID: 17450584 DOI: 10.1002/jbm.a.31318] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Aseptic loosening remains the primary cause of failure in total joint arthroplasty. Implant-derived particles are thought to be a main cause of osteolysis that leads to failure of total joint arthroplasty. The nervous system has been implicated in the etiology and pathogenesis of joint diseases. Substance P (SP) immunoreactive nerve fibers have been detected in the pseudomembrane and pseudocapsular tissues of aseptic loose hip prostheses, suggesting that SP might be involved in the process of aseptic loosening. Fibroblasts are abundant in periprosthetic membrane. Neuropeptides are able to modulate cytokine production by fibroblasts. In this study, we isolated fibroblasts from periprosthetic membrane at the time of revision hip arthroplasty performed because of aseptic loosening. Fibroblasts were stimulated with titanium (Ti) particles or SP. Prostaglandin (PG) E2 and interleukin-6 (IL-6) assays were performed using enzyme-linked immunosorbent assay kit. PGE2 and IL-6 secretion by fibroblasts have been significantly increased in the presence of Ti particles or SP. Moreover SP caused significant increase in PGE2 and IL-6 production by Ti particles-stimulated fibroblasts. Thus, SP and Ti particles acted synergistically to increase PGE2 and IL-6 secretion in fibroblasts from periprosthetic membrane.
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Affiliation(s)
- Yebin Qian
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital, Medical College, Shanghai Jiaotong University, Shanghai, China.
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Vallés G, González-Melendi P, González-Carrasco JL, Saldaña L, Sánchez-Sabaté E, Munuera L, Vilaboa N. Differential inflammatory macrophage response to rutile and titanium particles. Biomaterials 2006; 27:5199-211. [PMID: 16793131 DOI: 10.1016/j.biomaterials.2006.05.045] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2006] [Accepted: 05/29/2006] [Indexed: 10/24/2022]
Abstract
Titanium and its alloys are widely used as implant materials for dental and orthopaedic applications due to their advantageous bulk mechanical properties and biocompatibility, compared to other metallic biomaterials. In order to improve their wear and corrosion resistance, several surface modifications that give rise to an outer ceramic layer of rutile have been developed. The ability of rutile wear debris to stimulate the release of inflammatory cytokines from macrophages has not been addressed to date. We have compared the in vitro biocompatibility of sub-cytotoxic doses of rutile and titanium particles in THP-1 cells driven to the monocyte/macrophage differentiation pathway as well as in primary cultures of human macrophages. Confocal microscopy experiments indicated that differentiated THP-1 cells and primary macrophages efficiently internalised rutile and titanium particles. Treatment of THP-1 cells with rutile particles stimulated the release of TNF-alpha, IL-6 and IL-1beta to a lesser extent than titanium. The influence of osteoblasts on the particle-induced stimulation of TNF-alpha and IL-1beta was analysed by co-culturing differentiated THP-1 cells with human primary osteoblasts. Under these conditions, secretion levels of both cytokines after treatment of THP-1 cells with rutile particles were lower than after exposure to titanium. Finally, we observed that primary macrophages released higher amounts of TNF-alpha, IL-6 and IL-1beta after incubation with titanium particles than with rutile. Taken together, these data indicate that rutile particles are less bioreactive than titanium particles and, therefore, a higher biocompatibility of titanium-based implants modified with an outer surface layer of rutile is expected.
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Affiliation(s)
- Gema Vallés
- Unidad de Investigación, Hospital Universitario La Paz, Paseo de la Castellana 261, 28046 Madrid, Spain
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Pennekamp PH, Gessmann J, Diedrich O, Burian B, Wimmer MA, Frauchiger VM, Kraft CN. Short-term microvascular response of striated muscle to cp-Ti, Ti-6Al-4V, and Ti-6Al-7Nb. J Orthop Res 2006; 24:531-40. [PMID: 16463365 DOI: 10.1002/jor.20066] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Due to excellent mechanical properties and good corrosion resistance, titanium-aluminium-vanadium (Ti-6Al-4V) and titanium-aluminium-niobium (Ti-6Al-7Nb) are extensively used for orthopedic surgery. Concern has been voiced concerning the implications of the constituent vanadium in Ti-6Al-4V on the surrounding environment. Particularly in osteosynthesis where the alloys stand in direct contact to skeletal muscle, undesirable biologic reactions may have severe consequences. In a comparative study, we assessed in vivo nutritive perfusion and leukocytic response of striated muscle to the metals Ti-6Al-4V, Ti-6Al-7Nb, and commercially pure titanium (cpTi), thereby drawing conclusions on their short-term inflammatory potential. In 28 hamsters, utilizing the dorsal skinfold chamber preparation and intravital microscopy, we quantified primary and secondary leukocyte-endothelial cell interaction, leukocyte extravasation, microvascular diameter change, and capillary perfusion in collecting and postcapillary venules of skeletal muscle. A manifest discrepancy between the metals concerning impact on local microvascular parameters was not found. All metals induced an only transient and moderate inflammatory response. Only a slight increase in leukocyte recruitment and a more sluggish recuperation of inflammatory parameters in animals treated with Ti-6Al-4V compared to the other two metals suggested a minor, overall not significant discrepancy in biocompatibility. Gross toxicity of bulk Ti-6Al-4V on surrounding tissue could not be found. Conclusively, the commonly used biomaterials Ti-6Al-4V, Ti-6Al-7Nb, and cpTi induce an only transient inflammatory answer of the skeletal muscle microvascular system. Our results indicate that on the microvascular level the tested bulk Ti-alloys and cpTi do not cause adverse biologic reactions in striated muscle.
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Affiliation(s)
- Peter H Pennekamp
- Department of Orthopedic Surgery, University of Bonn, Sigmund-Freud-Strasse 25, D-53105 Bonn, Germany.
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Tanaka R, Yasunaga Y, Hisatome T, Yamasaki T, Iwamori H, Ochi M. Serum interleukin 8 levels correlate with synovial fluid levels in patients with aseptic loosening of hip prosthesis. J Arthroplasty 2005; 20:1049-54. [PMID: 16376262 DOI: 10.1016/j.arth.2005.03.034] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Levels of inflammatory cytokines (tumor necrosis factor alpha, interleukin [IL] 6, and IL-8) in serum from patients with osteolysis on radiographs after hip arthroplasty [osteolysis(+), n = 28], patients without osteolysis after hip arthroplasty [osteolysis(-), n = 24], and nonoperated healthy subjects [controls, n = 20] were determined. In addition, cytokine levels in synovial fluid from patients undergoing revision total hip arthroplasty (n = 14) for loosening were measured and compared with each other and with the area of osteolysis on radiographs. Serum IL-6 and IL-8 levels were significantly higher in the osteolysis(+) group than in the osteolysis(-) or the control groups. Furthermore, a significant correlation was found between the serum and synovial fluid IL-8 levels and between synovial fluid IL-8 levels and the area of osteolysis in patients undergoing revision total hip arthroplasty. Therefore, serum IL-8 levels could be a useful periprosthetic osteolysis marker.
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Affiliation(s)
- Ryuji Tanaka
- Department of Orthopaedic Surgery, Hiroshima University Graduate School of Biomedical Sciences, Hiroshima, Japan
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Wasielewski RC, Jacobs JJ, Arthurs B, Rubash HE. The acetabular insert-metal backing interface: an additional source of polyethylene wear debris. J Arthroplasty 2005; 20:914-22. [PMID: 16230245 DOI: 10.1016/j.arth.2005.04.033] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2002] [Accepted: 04/27/2005] [Indexed: 02/01/2023] Open
Abstract
In cementless acetabular arthroplasty, the interface between the metal backing and the ultra-high-molecular-weight polyethylene acetabular insert surface is a potential source of polyethylene debris. This study of 55 early-generation acetabular inserts found that severe wear of the convex insert surface correlates with osteolysis. Wear of the concave insert surface did not correlate strongly with osteolysis probably owing to prevalent micromotion and wear at the convex surface interface. Although concern over linear wear predominates with contemporary designs, if initial liner engagement is compromised or locking mechanism failure occurs with time, the convex insert surface again may become a significant source of debris contributing to osteolysis.
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Affiliation(s)
- Ray C Wasielewski
- Department of Orthopaedic Surgery, Ohio State University, Columbus, USA
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Kobayashi Y, Kim KJ, Itoh T. Gene expression of bone-resorbing cytokines in rat osteolysis model. J Orthop Sci 2005; 10:62-9. [PMID: 15666125 DOI: 10.1007/s00776-004-0846-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2003] [Accepted: 08/26/2004] [Indexed: 01/12/2023]
Abstract
Osteolysis after single-injection polyethylene (PE) administration has been analyzed, but this experimental model did not reflect the clinical postoperative condition. Therefore, we investigated the bone-resorbing cytokines interleukin and tumor necrosis factor (IL-1alpha, IL-6, TNFalpha) produced by continuous PE administration using histomorphologic findings and the reverse transcription polymerase chain reaction. TNFalpha mRNA was continuously detected in the PE continuous-infusion group, whereas it was not expressed in the PE single-injection group. IL-1alpha and IL-6 mRNA were detected in both groups. As for histomorphological findings, in the PE continuous-infusion group proliferating fibrous tissue penetrated subchondral bone and the interface membrane around the K-wire inserted into the femur. Numerous osteoclasts were observed in the vicinity of resorbed bone. In the PE single-injection group, proliferation of fibrous tissue with bone resorption was not observed. TNFalpha may play a major role in fibrous tissue formation and osteoclastic bone resorption caused by PE debris. This osteolysis model is useful for investigating osteolysis associated with bone-resorbing cytokines under conditions similar to those seen with a human prosthesis.
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Affiliation(s)
- Yoshiro Kobayashi
- Department of Orthopaedic Surgery, Tokyo Women's Medical College, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan
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Yang SY, Nasser S, Markel DC, Robbins PD, Wooley PH. Human periprosthetic tissues implanted in severe combined immunodeficient mice respond to gene transfer of a cytokine inhibitor. J Bone Joint Surg Am 2005; 87:1088-97. [PMID: 15866974 DOI: 10.2106/jbjs.d.02052] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Periprosthetic tissue formation and local inflammation that are associated with wear debris contribute to the pathogenesis of aseptic loosening of a prosthesis. This study evaluated a retrovirus-mediated gene therapy with use of a novel xenograft-based animal model. METHODS Human periprosthetic tissues obtained from patients during revision arthroplasty performed because of aseptic loosening of a prosthetic joint were transplanted into the left quadriceps and paravertebral muscles of severe combined immunodeficient (SCID) mice. The engrafted tissues were recovered seven, fifteen, or thirty days after implantation for histological and molecular analyses. The periprosthetic tissues were incubated with retroviruses encoding for human interleukin-1 receptor antagonist (hIL-1Ra) or bacteria beta-galactosidase (LacZ) at 37 degrees C for three hours prior to implantation to evaluate their responses to gene modification. RESULTS The human periprosthetic tissues were well accepted in SCID mice for up to thirty days, with angiogenesis occurring in the majority of the implanted tissue sections. The histological appearance was consistent between the recovered graft tissue and the original donor tissue. Strong expression of interleukin-1, tumor necrosis factor, and interleukin-6 was detected in the xenografts with use of immunohistochemical stains. Histological analysis revealed that interleukin-1 receptor antagonist gene modification significantly decreased the total number of inflammatory cells (p < 0.01) in engrafted human tissue containing implant wear debris. Real-time reverse transcription-polymerase chain reaction and immunohistochemical staining showed declining expression levels of interleukin-1 and tumor necrosis factor following interleukin-1 receptor antagonist gene transfer in comparison with LacZ-transduced or virus-free controls. CONCLUSIONS Human periprosthetic tissue can survive in the SCID mouse host for up to thirty days and responds to the interleukin-1 receptor antagonist gene transfer with the amelioration of inflammation.
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Affiliation(s)
- Shang-You Yang
- Department of Orthopaedic Surgery, Wayne State University, University Health Center 7C, 4201 St. Antoine Boulevard, Detroit, Michigan 48201, USA.
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Masui T, Sakano S, Hasegawa Y, Warashina H, Ishiguro N. Expression of inflammatory cytokines, RANKL and OPG induced by titanium, cobalt-chromium and polyethylene particles. Biomaterials 2005; 26:1695-702. [PMID: 15576143 DOI: 10.1016/j.biomaterials.2004.05.017] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2004] [Accepted: 05/26/2004] [Indexed: 11/30/2022]
Abstract
Bone resorption is regulated by cytokines such as tumor necrosis factor-alpha (TNF-alpha), interleukin-1 beta (IL-1beta) and by the balance of a receptor activator of nuclear factor-kappaB ligand (RANKL) and osteoprotegerin (OPG). The aim of this study was to investigate the mechanism of particle-induced osteolysis in murine calvariae by assessing the extent of osteolysis and the expression of inflammatory cytokines, RANKL and OPG after implantation of metal and polyethylene particles. The murine calvariae implanted with Ti6Al4V, CoCr or high-density polyethylene (HDP) particles showed significantly more extensive osteolysis and elevated levels of inflammatory cytokines. The ratio between RANKL and OPG was high in the mice implanted with Ti6Al4V and HDP particles, but not in the mice implanted with CoCr particles. These observations suggested that CoCr particle-induced osteoclastogenesis may be caused directly by inflammatory cytokines rather than by the RANKL-RANK pathway. There might be different mechanisms at work in particle-induced osteolysis between Ti6Al4V, HDP and CoCr.
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Affiliation(s)
- Tetsuo Masui
- Department of Orthopaedic Surgery, Nagoya University School of Medicine, 65 Tsurumai-Cho, Showa-ku, Nagoya, Aichi 4668550, Japan.
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Ito S, Matsumoto T, Enomoto H, Shindo H. Histological analysis and biological effects of granulation tissue around loosened hip prostheses in the development of osteolysis. J Orthop Sci 2005; 9:478-87. [PMID: 15449123 DOI: 10.1007/s00776-004-0808-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2004] [Accepted: 06/03/2004] [Indexed: 11/28/2022]
Abstract
Although aseptic loosening of the prosthesis is a long-term complication after total joint replacement, the detailed mechanism of osteolysis remains unknown. We examined 82 samples from 40 patients with aseptic loosened hip prostheses histologically, and compared the distribution of particles, macrophages/histiocytes, and foreign body giant cells in the retrieved tissue from capsules and around prostheses. Furthermore, to investigate the mechanism of osteolysis, we cultured tissue from a patient with massive osteolysis and examined the effects of the conditioned medium on osteoblasts in vitro. Numerous multinucleated giant cells and histiocytes were present, and polyethylene particles ranging from medium to large were identified in the polarized light. However, the distribution was heterogeneous, and no particles were found microscopically in about 30%-40% of periprosthetic tissues, and in 60% of capsules. The amount of particles correlated with giant cells, but not with histiocytes. The conditioned medium of the granulation tissue culture stimulated osteoblasts to produce interleukin-6 in both protein and mRNA, and this was in part inhibited by anti-tumor necrosis factor-alpha or the interleukin-1beta antibody, suggesting that interleukin-6 production is mediated by several cytokines. These findings suggest that interleukin-6, which is produced not only by macrophages but also by osteoblasts, is a contributing factor to aseptic loosening.
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Affiliation(s)
- Shigeru Ito
- Department of Orthopedic Surgery, Nagasaki University, School of Medicine, 1-7-1 Sakamoto, 852-8501, Nagasaki, Japan
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Schuh A, Holzwarth U, Kachler W, Göske J, Zeiler G. [Titanium deposits on the ceramic heads of dislocated total hip replacements]. DER ORTHOPADE 2005; 33:1194-200. [PMID: 15278275 DOI: 10.1007/s00132-004-0689-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
INTRODUCTION In cases of revision total hip replacement (THR) having acetabular titanium components with dislocations in the past, metallic deposits are frequently found on the ceramic heads. The aim of this study was to determine whether the metallic deposits increase surface roughness in definite areas. MATERIALS AND METHODS Ten ceramic heads of revised THR which showed metallic deposits were investigated. The patients suffered from one to six dislocations. The prosthesis lifetime ranged from 2 weeks to 12 years. Surface structure was investigated in a scanning electron microscope (LEO 1525), and the metallic deposits characterised by means of energy dispersive x-ray analysis (EDX). RESULTS In the area of the metallic deposits, titanium was detected by EDX. Edges with a significant increase in surface roughness were observed, partially accompanied by damage to the surface structure and loosening of Al(2)O(3) particles. DISCUSSION Titanium deposits increase surface roughness in definite areas, which probably causes wear to the ceramic-ceramic or ceramic-polyethylene articulations due to different roughness values and surface properties. Further investigations are necessary in order to determine the importance of these findings with respect to wear and loosening of total hip arthroplasty.
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Affiliation(s)
- A Schuh
- Orthopädische Klinik Wichernhaus im Krankenhaus Rummelsberg, Abteilung für infantile Zerebralparese, Rummelsberg 71, 90592 Schwarzenbruck, Germany.
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Takayanagi S, Nagase M, Shimizu T, Kobayashi T, Shirakura K, Takagishi K. Human leukocyte antigen and aseptic loosening in Charnley total hip arthroplasty. Clin Orthop Relat Res 2003:183-91. [PMID: 12897609 DOI: 10.1097/01.blo.0000073340.50837.d8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Human leukocyte antigen phenotypes and radiographic course were studied in 70 Japanese patients (90 hips) who had Charnley low friction arthroplasty. Of the 28 hips diagnosed as radiographically loose less than 15 years after surgery, seven hips (25.0%) were in patients who had a positive human leukocyte antigen A31(19). Of the 62 hips that were radiographically stable more than 15 years, two hips (3.2%) were in patients who had a positive human leukocyte antigen A31(19). Of the nine hips in patients who were positive to human leukocyte antigen A31(19), seven hips were diagnosed as radiographically loose (loosening rate was 77.8%) 15 years after surgery. On the other hand, of the 81 hips in the patients who were negative to human leukocyte antigen A31(19), only 21 hips were diagnosed as radiographically loose (loosening rate was 25.9%) 15 years after surgery. These data suggest that individual immune response to implant materials, linked to human leukocyte antigen, may participate in the process of aseptic loosening in Charnley low friction arthroplasty.
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Affiliation(s)
- Satoshi Takayanagi
- Department of Orthopaedic Surgery, Gunma University Faculty of Medicine, 3-39-22 Showa-machi, Maebashi-shi, Gunma-ken 371-8511, Japan.
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37
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Streich NA, Breusch SJ, Schneider U. Serum levels of interleukin 6 (IL-6), granulocyte-macrophage colony-stimulating factor (GM-CSF) and elastase in aseptic prosthetic loosening. INTERNATIONAL ORTHOPAEDICS 2003; 27:267-71. [PMID: 12879289 PMCID: PMC3461870 DOI: 10.1007/s00264-003-0482-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/22/2003] [Indexed: 10/26/2022]
Abstract
In synovial-like membranes from failed total hip prostheses, an increased level of cytokines and cellular mediators has been identified. We compared two matched groups of patients with total hip arthroplasty (THA)--one with surgically proven component loosening and one without. We measured serum levels of interleukin 6 (IL-6), granulocyte-macrophage colony-stimulating factor (GM-CSF) and elastase. Soluble interleukin 2 receptor (sIL-2r) was also measured to exclude any hypersensitivity reaction. We found no significant difference in serum values between groups. Neither were there any differences with respect to implant material, mode of fixation, and periprosthetic osteolysis. In contrast to previous reports, our results suggest that serum levels of cytokines and cellular mediators may not be affected in aseptic loosening.
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Affiliation(s)
- Nikolaus A Streich
- Department of Orthopaedics, University of Heidelberg, Schlierbacher Landstrasse 200a, 69118 Heidelberg, Germany.
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38
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Sieving A, Wu B, Mayton L, Nasser S, Wooley PH. Morphological characteristics of total joint arthroplasty-derived ultra-high molecular weight polyethylene (UHMWPE) wear debris that provoke inflammation in a murine model of inflammation. J Biomed Mater Res A 2003; 64:457-64. [PMID: 12579559 DOI: 10.1002/jbm.a.10368] [Citation(s) in RCA: 71] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
It is recognized that the chronic inflammation in peri-prosthetic tissue that contributes to implant failure frequently is provoked by the presence of wear debris. Some wear debris is inevitable because of the nature of the prosthesis, but not all patients develop severe inflammatory responses. The precise factors that mediate the severity of tissue inflammation to wear debris has yet to be fully defined. Because wear debris retrieved from peri-prosthetic tissue consists of a heterogeneous mixture of materials with various sizes and shapes, this study evaluated the influence of two major physical aspects of ultra-high molecular weight polyethylene (UHMWPE) wear debris (shape and surface texture) using a model of tissue inflammation. UHMWPE debris particulates recovered from 50 peri-prosthetic tissue samples were examined by scanning electron microscopy and categorized into four groups based upon aspect ratio and surface texture of the material. The four groups were defined as: 1) smooth and globular, 2) smooth and fibular, 3) rough and globular, and 4) rough and fibular. Histological analysis and ELISA assays were conducted to evaluate variations in cellular responses and cytokine production between the groups. The strongest expression of tumor necrosis factor alpha and interleukin-1 beta was found in tissues exposed to UHMWPE debris with both a rough surface texture and fibular shape, and this response was significantly elevated over debris particles with a smooth surface texture and globular shape. The data suggest that both shape and texture influence the severity of specific inflammatory responses and that rough debris surface texture exerts a marked effect on adverse tissue responses when combined with particles that have a sharp, elongated shape.
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Affiliation(s)
- Allison Sieving
- Department of Orthopaedic Surgery, School of Medicine, Detroit, MI 48201, USA
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Miyaguchi M, Kobayashi A, Iwaki H, Ohashi H, Kadoya Y, Yamano Y. Human monocyte response to retrieved polymethylmethacrylate particles. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 2002; 62:331-7. [PMID: 12209918 DOI: 10.1002/jbm.10331] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The purpose of this study was to compare retrieved polymethylmethacrylate (PMMA) particles from failed total hip arthroplasties in terms of size, shape, and the response of human monocytes with commercially available particles. PMMA particles were isolated from peri-implant tissues of five failed cemented total hip arthroplasties using tissue digestion and a sucrose density gradient technique. Prepolymerized cement powder and those from which barium sulfate had been removed were examined for comparison. After exposure of peripheral human monocytes to PMMA particles, tumor necrosis factor-alpha and interleukin-6 in medium were measured by using enzyme-linked immunosorbent assays. Image analysis revealed that retrieved particles were larger (retrieved: 1.24 microm; prepolymerized cement powder: 0.83 microm; barium sulfate-free powder: 0.87 microm) and were more irregular in shape and rougher than commercially available particles. Cytokine release was increased by all PMMA particle species. However, commercially available PMMA particles stimulated the release of necrosis factor-alpha and interleukin-6 more strongly than did retrieved particles at very high doses. The observed difference in monocyte response might be due to the volume of the challenged particles. Another possible reason for the difference might be alteration of the surface chemistry of particles in situ and the difference in surface morphology between them.
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Affiliation(s)
- Masatsugu Miyaguchi
- Department of Orthopaedic Surgery, Osaka City University Medical School, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan.
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40
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Lavigne P, Shi Q, Jolicoeur FC, Pelletier JP, Martel-Pelletier J, Fernandes JC. Modulation of IL-1beta, IL-6, TNF-alpha and PGE(2) by pharmacological agents in explants of membranes from failed total hip replacement. Osteoarthritis Cartilage 2002; 10:898-904. [PMID: 12435335 DOI: 10.1053/joca.2002.0846] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Introduction and goal Proinflammatory cytokines and prostaglandin E(2) (PGE(2)) play an important role in the pathophysiology of osteolysis and implant loosening. The aim of this study was to evaluate the role of pharmacological agents in the inhibition of Interleukin-1 (IL-1), interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-alpha) and PGE(2) in explants of interface membranes from failed total hip replacements (fTHR). Material and methods Membranes from fTHR were retrieved (N=20) and explants were incubated for 72h in the absence or presence of tenidap at three different concentrations (5, 20 or 50 microg/ml) or diclofenac (125 microg/l). IL-1beta, IL-6, TNF-alpha, and PGE(2) levels were measured in the culture medium using ELISA Capture or EIA kits. Statistical analysis was done using the Mann-Whitney U-test. Results A statistically significant inhibition in IL-1beta synthesis was found at tenidap concentrations of 20 microg/ml (71.3%, P< 0.05) and 50 microg/ml (79.3%,P< 0.02). Tenidap reduced IL-6 levels by 90.4% at 20 microg/ml (P< 0.005) and 96.0% (P< 0.05) at 50 microg/ml. Tenidap also reduced the synthesis of TNF-alpha by 66.9% (P< 0.05) and 77.4% at concentrations of 20 microg/ml and 50 microg/ml. Tenidap had a marked suppressive effect of over 90% (P< 0.0001) on PGE(2) synthesis in all three concentrations. Diclofenac (125 microg/l) decreased PGE(2) production by 95% (P< 0.0001), but had no significant effect in IL-1beta, IL-6, and TNF-alpha levels in the culture medium. Conclusion The ability to simultaneously suppress the release of proinflammatory cytokines and PGE(2) may help control osteolysis and prevent aseptic loosening of THR. This effect could increase implant longevity and lead the way to the pharmacological treatment of this pathology.
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Affiliation(s)
- P Lavigne
- Osteoarthritis Research Unit, Centre hospitalier de l'Université de Montréal, Hôpital Notre-Dame, Quebec, Canada
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42
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Iwase M, Kim KJ, Kobayashi Y, Itoh M, Itoh T. A novel bisphosphonate inhibits inflammatory bone resorption in a rat osteolysis model with continuous infusion of polyethylene particles. J Orthop Res 2002; 20:499-505. [PMID: 12038623 DOI: 10.1016/s0736-0266(01)00155-3] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
This study examined the inhibitory effect of a new bisphosphonate (TRK-530) on wear debris-mediated bone resorption in a rat osteolysis model involving continuous infusion of high density polyethylene (HDPE) particles. TRK-530 (TRK) is a novel synthetic bisphosphonate that has been shown to decrease the level of tumor necrosis factor alpha (TNF-alpha) in the bone marrow of rats with adjuvant arthritis. Forty Wistar rats were randomized to two groups (n = 20 each). In each rat, a Kirshner (K) wire was inserted into the femur and HDPE particles were continuously infused into the knee joint. Thereafter, the animals were subcutaneously injected with saline (control group) or 1 mg/kg of TRK (TRK group) every second day, and were sacrificed at 4 or 8 weeks after surgery. Radiographs obtained at the time of sacrifice were evaluated for periprosthetic osteolysis. We also examined the thickness of the reactive membrane as well as the number of osteoclast-like cells around the K-wire. In addition, we examined the expression of genes for bone-resorbing cytokines in the reactive membrane. Radiographic peri-implant osteolysis was more frequent in the control group compared with the TRK group at each time of assessment (p < 0.01). The interfacial membrane was significantly thinner in the TRK group compared with the control group (p < 0.01) and the average number of osteoclast-like cells around the K-wire was significantly fewer in the TRK group (p < 0.01). In addition, the expression of interleukin 1-alpha messenger ribonucleic acid (IL-1alpha mRNA) and TNF-alpha mRNA was suppressed in the TRK group at each time of assessment. We conclude that the TRK can inhibit the formation of inflammatory peri-implant osteolysis induced by HDPE particles.
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Affiliation(s)
- Miho Iwase
- Department of Orthopaedics, Tokyo Women's Medical University, Japan
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43
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Viceconti M, Monti L, Muccini R, Bernakiewicz M, Toni A. Even a thin layer of soft tissue may compromise the primary stability of cementless hip stems. Clin Biomech (Bristol, Avon) 2001; 16:765-75. [PMID: 11714554 DOI: 10.1016/s0268-0033(01)00052-3] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVE Aim of the present study is to quantify the minimum thickness of mechanically non-bearing regions around a cementless prosthesis necessary to loose the implant enough to activate interface tissue differentiation. DESIGN A finite element model was used to predict the bone-implant micromotion induced by stair-climbing joint loads for various thickness of non-bearing tissue fully encapsulating the implant. BACKGROUND The results of a few published studies give indications on the amount of bone-implant relative micromotion that is required to initiate the fibrous differentiation. On the contrary, very little is known on the effect of mechanically non-bearing regions at the interface on the stability of the implant. METHODS A new modelling strategy was adopted, which allows the simulation of soft tissues layers down to 10 microm of thickness. This technique was used in combination with an accurate and extensively validated finite element model to investigate for an anatomical cementless stem design the effect of the thickness of the soft tissues layer on the induced micro-movements. RESULTS The stability of the implant was found extremely sensitive to the presence of soft tissue. Soft tissue layers of 300 microm were found sufficient to compromise the osseointegration on most of the stem surface. CONCLUSIONS This study supports the hypothesis that even thin layers of soft tissue may create micro-movements large enough to activate adverse biological effects. RELEVANCE Interface layers of soft tissue too thin to be detected by a radiographic control may be sufficient to compromise the mechanical stability of cementless implants.
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Affiliation(s)
- M Viceconti
- Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, via di Barbiano 1/10, 40136, Bologna, Italy.
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44
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Trindade MC, Lind M, Nakashima Y, Sun D, Goodman SB, Schurman DJ, Smith RL. Interleukin-10 inhibits polymethylmethacrylate particle induced interleukin-6 and tumor necrosis factor-alpha release by human monocyte/macrophages in vitro. Biomaterials 2001; 22:2067-73. [PMID: 11432585 DOI: 10.1016/s0142-9612(00)00376-8] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Periprosthetic membranes commonly observed at sites of total joint implant loosening exhibit abundant macrophages and particulate debris. Macrophages phagocytose orthopedic debris and release the pro-inflammatory mediators interleukin-1, interleukin-6, tumor necrosis factor-alpha, and prostaglandin E2. Populations of activated lymphocytes are often seen in periprosthetic membranes. These lymphocytes may modulate the monocyte/macrophage response to particulate debris and influence aseptic loosening. In addition, other immunologic agents, such as interleukin-10, are present in tissues harvested from the bone-implant interface of failed total joint arthroplasties. The present study examined the effects of interleukin-10 on polymethylmethacrylate (PMMA) particle challenged human monocyte/macrophages in vitro. Human monocyte/macrophages isolated from buffy coats of five healthy individuals were exposed to 1-10 microm PMMA particles. Interleukin-10 was added to the monocyte/macrophages with and without the addition of PMMA particles. Interleukin-10-induced alterations in monocyte/macrophage metabolism were determined measuring interleukin-6 and tumor necrosis factor-alpha release by the cells following exposure to PMMA particles. Exposure of the monocyte/macrophages to PMMA particles resulted in a dose-dependent release of interleukin-6 and tumor necrosis factor-alpha at 48 h. Interleukin-10 reduced the levels of interleukin-6 and tumor necrosis factor-alpha release by macrophages in response to PMMA particles in a dose-dependent manner. At 48 h, particle-induced interleukin-6 release was inhibited by 60 and 90% with 1.0 and 10.0 ng/ml treatments of interleukin-10, respectively. At 48 h, particle-induced tumor necrosis factor-alpha release was inhibited by 58 and 88% with 1.0 and 10.0 ng/ml treatments of interleukin-10, respectively. Interleukin-10 challenge alone did not significantly alter basal interleukin-6 or tumor necrosis factor-alpha release relative to control cultures. The data presented in this study demonstrate that the anti-inflammatory cytokine, interleukin-10, inhibits monocyte/macrophage release of the pro-inflammatory cytokines interleukin-6 and tumor necrosis factor-alpha in response to PMMA particle challenge in vitro.
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Affiliation(s)
- M C Trindade
- Orthopaedic Research Laboratory, Stanford University Medical Center, CA 94305-5341, USA
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45
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Hirayama T, Fujikawa Y, Itonaga I, Torisu T. Effect of particle size on macrophage-osteoclast differentiation in vitro. J Orthop Sci 2001; 6:53-8. [PMID: 11289587 DOI: 10.1007/s007760170025] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
To determine whether particle size affects macrophage-osteoclast differentiation in vitro, latex beads of 0.1, 1, and 10 microm in diameter were added to a murine macrophage-UMR106 osteoblast-like cell coculture system. The extent of osteoclast differentiation was determined by assessing the number of tartrate-resistant acid phosphatase (TRAP)-positive multinucleated cells on glass coverslips and the extent of lacunar resorption on dentine slices. The addition of particles, 1 and 10microm in size, to the cocultures resulted in a significant increase in the number of TRAP-positive osteoclast-like cells and in the resorption pit surface area compared with findings in control cultures to which no particles had been added. Particles 0.1 microm in size also stimulated osteoclast formation relative to the control; however, the difference was not significant. These results indicate that particles, particularly these 1 and 10microm in size, sizes which were phagocytosable, significantly enhanced the process of macrophage-osteoclast differentiation and suggest that particle size plays an important role in periprosthetic osteolysis.
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Affiliation(s)
- T Hirayama
- Department of Orthopaedic Surgery, Oita Medical University, Japan
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46
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Abstract
The problem of periprosthetic osteolysis is currently the major limiting factor in joint arthroplasty longevity. Because this process has been shown to be primarily a biologic response to wear particles, corrosion products, or both, efforts to reduce particle generation are being undertaken. These efforts include the development of modified polyethylene and alternative articulating surfaces. These alternate bearing surfaces currently include ceramic-on-polyethylene, ceramic-on-ceramic, and metal-on-metal. Although these alternate bearings diminish or eliminate the generation of polyethylene particles, ceramic and metal particles are produced. The purpose of the current review is to discuss the literature that addresses the biologic response to these particles, locally and systemically.
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Affiliation(s)
- M J Archibeck
- Department of Orthopaedic Surgery, Rush-Presbyterian-St Luke's Medical Center, Chicago, IL 60612, USA
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47
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Trindade MC, Schurman DJ, Maloney WJ, Goodman SB, Smith RL. G-protein activity requirement for polymethylmethacrylate and titanium particle-induced fibroblast interleukin-6 and monocyte chemoattractant protein-1 release in vitro. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 2000; 51:360-8. [PMID: 10880077 DOI: 10.1002/1097-4636(20000905)51:3<360::aid-jbm9>3.0.co;2-e] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Periprosthetic granulomatous membranes consisting of fibroblasts, macrophages, lymphocytes, foreign body giant cells, and abundant particulate debris occur at sites of implant loosening. Previous studies demonstrate that fibroblasts respond to particulate debris through the release of interleukin-6 (IL-6), prostaglandin E(2), and matrix metalloproteinases in vitro. C-C chemokines are observed in granulomatous tissue surrounding loosened prosthetic implants and are released by macrophages and fibroblasts in response to particle challenge in vitro. This study tested the hypothesis that G protein activity is required for fibroblast activation by titanium and polymethylmethacrylate (PMMA) particles, and that inhibition of G protein activity would alter IL-6 and and monocyte chemoattractant protein-1 (MCP-1) release from activated fibroblasts. The specific inhibitor of G protein activity, pertussis toxin, was added to the fibroblasts to examine the effects of G protein activity with respect to the production of IL-6 and MCP-1 by orthopedic biomaterial-challenged fibroblasts in vitro. Interleukin-1beta (IL-1beta), a proven activator of MCP-1 and interleukin-6, was used as a positive control. Exposure of fibroblasts to titanium and polymethylmethacrylate (PMMA) particles resulted in a dose-dependent release of MCP-1 and IL-6. Challenge with PMMA particles at doses of 0.150%, 0.300%, and 0.600% vol/vol increased the release of interleukin-6 by 7-, 19-, and 22-fold, respectively, compared to fibroblasts exposed to serum-free culture medium alone at 24 h. Challenge with PMMA particles at doses of 0.075%, 0.150%, 0.300%, and 0.600% vol/vol increased the release of MCP-1-6 by 2.5-, 3.6-, 4. 3-, and 4.5-fold, respectively, compared to fibroblasts exposed to serum-free culture medium alone. Challenge with titanium particles at concentrations of 0.075%, 0.150%, 0.300%, and 0.600% vol/vol increased the release of interleukin-6 by 2.6-, 6.4-, 9.6-, and 10. 0-fold, respectively, compared to fibroblasts exposed to serum-free culture medium alone at 24 h. Challenge with titanium particles at concentrations of 0.038%, 0.075%, 0.150%, 0.300%, and 0.600% vol/vol increased the release of MCP-1 by 2.9-, 3.1-, 5.8-, 5.4-, and 5. 8-fold, respectively, compared to fibroblasts exposed to serum-free culture medium alone. Pretreatment of fibroblasts with pertussis toxin inhibited the release of interleukin-6 and MCP-1 from PMMA and titanium particle challenged fibroblasts in a dose-dependent manner. PMMA particle induced fibroblast IL-6 release was inhibited by 23.6% and 35.3% with 20- and 200-ng/mL doses of pertussis toxin, respectively. Titanium particle induced fibroblast IL-6 release was inhibited by 48.2% and 56.3% with 20- and 200-ng/mL doses of pertussis toxin, respectively. PMMA particle-induced fibroblast MCP-1 release was inhibited by 36.0%, 50.4%, and 60.1% with 2-, 20- and 200-ng/mL doses of pertussis toxin, respectively. Titanium particle-induced fibroblast MCP-1 release was inhibited by 15.5%, 53.2%, and 64.6% with 2-, 20-, and 200-ng/mL doses of pertussis toxin, respectively. This study suggests that fibroblasts localized in periprosthetic membranes are a source of macrophage chemoattractant factors and proinflammatory mediators that may influence granuloma formation and lead to periprosthetic bone resorption. Furthermore, this study shows that G proteins are involved in particle-induced fibroblast activation, as evidenced by decrease levels of particle induced IL-6 and MCP-1 release following pertussis toxin treatment. (c) 2000 John Wiley & Sons, Inc.
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Affiliation(s)
- M C Trindade
- Orthopaedic Research Laboratory, Stanford University School of Medicine, Stanford, California 94305, USA.
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48
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Shanbhag AS, Bailey HO, Hwang DS, Cha CW, Eror NG, Rubash HE. Quantitative analysis of ultrahigh molecular weight polyethylene (UHMWPE) wear debris associated with total knee replacements. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 2000; 53:100-10. [PMID: 10634959 DOI: 10.1002/(sici)1097-4636(2000)53:1<100::aid-jbm14>3.0.co;2-4] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The size and morphology of particulate wear debris retrieved from tissues around 18 failed total knee replacements (TKR) were characterized. Interfacial membranes from nine cemented and nine uncemented TKR were harvested from below the tibial components during revision surgery. Wear debris were extracted using papain and potassium hydroxide digestion. Ultrahigh molecular weight polyethylene (UHMWPE) particles from around cemented or uncemented TKR were similar in size and morphology. The mean size was 1.7 +/- 0. 7 microm with a range of 0.1-18 microm. Thirty-six percent of the particles were less than 1 microm and 90% were less than 3 microm. Morphologically the particles were predominantly spherical with occasional fibrillar attachments and flakes. Particles from TKR were greater than threefold larger than previously characterized particles from total hip replacements, which were 0.5 microm in mean size. Differences in joint conformity and wear patterns between the hip and knee articulations may explain the disparity in size of the wear debris. Since particle size represents an important variable influencing the magnitude of the biological response, it is possible that in vivo the larger TKR debris results in a diminished mediator release, which in turn may account for the lower incidence of osteolysis and aseptic loosening in some designs of TKR.
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Affiliation(s)
- A S Shanbhag
- Biomaterials Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts 02114, USA.
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Kim KJ, Hijikata H, Itoh T, Kumegawa M. Joint fluid from patients with failed total hip arthroplasty stimulates pit formation by mouse osteoclasts on dentin slices. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 2000; 43:234-40. [PMID: 9730060 DOI: 10.1002/(sici)1097-4636(199823)43:3<234::aid-jbm3>3.0.co;2-o] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Periprosthetic bone resorption has been implicated in the failure of total joint arthroplasty. Osteolysis is reported to be associated with bone resorption induced by bone-resorbing cytokines, which are released from macrophages and fibroblasts in periprosthetic tissues after stimulation by wear debris generated in the joint cavity. Recent reports have suggested the concept of the effective joint space, which includes all periprosthetic regions that are accessible to joint fluid and wear debris. In this study, we examined the levels of interleukin-6 (IL-6), soluble IL-6 receptor (sIL-6R), and tartrate-resistant acid phosphatase (TRAP) in joint fluid after failed total hip arthroplasty (THA) with osteolysis and investigated whether the joint fluid could activate osteoclastic bone resorption using unfractionated mouse bone cells cultured on dentin slices. Histochemical analysis showed the presence of more TRAP-positive cells in synovial capsules from failed THA patients when compared with osteoarthritis (OA) patients (controls). The levels of IL-6, sIL-6R, and TRAP in joint fluid from failed THA patients were significantly higher than in OA patients. Mouse osteoclasts cultured on dentin slices with joint fluid from failed THA patients with osteolysis produced a significant increase of pit area, whereas cells cultured with joint fluid from OA patients did not. Interestingly, osteoclastic bone resorption on dentin slices was significantly correlated with TRAP activity in joint fluid (p < 0.0001). These results suggest that joint fluid containing bone-resorbing cytokines is produced by synovial capsules in failed THA patients with osteolysis and may activate osteoclasts around the prosthesis in combination with those produced by interface tissues, thus contributing to periprosthetic bone resorption.
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Affiliation(s)
- K J Kim
- Department of Orthopaedic Surgery, Tokyo Women's Medical College, Japan
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50
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Baleani M, Cristofolini L, Toni A. Initial stability of a new hybrid fixation hip stem: experimental measurement of implant-bone micromotion under torsional load in comparison with cemented and cementless stems. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 2000; 50:605-15. [PMID: 10756320 DOI: 10.1002/(sici)1097-4636(20000615)50:4<605::aid-jbm17>3.0.co;2-p] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A new hybrid fixation stem, named cemented-locked uncemented (CLU), for total hip arthroplasty was developed to achieve good initial stability. Primary stability is guaranteed by the cement which is injected into two pockets in the lateral area. This leaves a large surface available for long-term biologic fixation (direct bone attachment on implant). This study evaluates in vitro the initial stability of the CLU prototype under torsional load, in comparison with cemented and cementless stems. The results show that the CLU stem is very stable in simulated stair climbing. Its micromotions are comparable to those of a cemented prosthesis, and significantly less (80-90% lower) than those for a cementless stem. These findings confirm the optimal initial stability expected from the CLU prototype. This new design, which employs hybrid fixation, should improve bone formation on the implant and reduce the risk of stem loosening.
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Affiliation(s)
- M Baleani
- Laboratorio di Tecnologia Medica, Istituti Ortopedici Rizzoli, via Di Barbiano 1/10, Bologna 40136, Italy
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