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Yan Z, Tian X, Zhu J, Lu Z, Yu L, Zhang D, Liu Y, Yang C, Zhu Q, Cao X. Metformin suppresses UHMWPE particle-induced osteolysis in the mouse calvaria by promoting polarization of macrophages to an anti-inflammatory phenotype. Mol Med 2018; 24:20. [PMID: 30134793 PMCID: PMC6016863 DOI: 10.1186/s10020-018-0013-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 03/06/2018] [Indexed: 03/02/2023] Open
Abstract
Background Implant failure remains a major obstacle to successful treatment via TJA. Periprosthetic osteolysis and aseptic loosening are considered as proof of wear debris-induced disruption of local regulatory mechanisms related to excessive bone resorption associated with osteolysis and the damage at the bone-prosthesis interface. Therefore, there is an immediate need to explore strategies for limiting and curing periprosthetic osteolysis and aseptic loosening. Methods We analyzed the in vitro cytokine production by primary mouse bone marrow macrophages (BMMs) that were exposed to ultra-high molecular weight polyethylene (UHMWPE) particles and treated with metformin at different concentrations with or without 5-aminoimidazole-4-carboxamide ribonucleoside to activate or inhibit AMPK. A mouse calvarial model was used to examine the in vivo effects of metformin on UHMWPE particle-induced osteolysis. Results With particles, primary mouse BMMs secreted more pro-inflammatory cytokines tumor necrosis factor-α and interleukin (IL)-6. Treatment with metformin inhibited these variations and promoted the release of cytokine IL-10 with anti-inflammatory capability. In vivo, metformin reduced the production of pro-inflammatory cytokines, osteoclastogenesis, and osteolysis, increasing IL-10 production. Metformin also promoted the polarization of macrophages to an anti-inflammatory phenotype in vivo via AMPK activation. Discussion A crucial point in limiting and correcting the periprosthetic osteolysis and aseptic loosening is the inhibition of inflammatory factor production and osteoclast activation induced by activated macrophages. The ability of metformin to attenuate osteolysis induced in mouse calvaria by the particles was related to a reduction in osteoclast number and polarization of macrophages to an anti-inflammatory functional phenotype. Conclusions Metformin could limit the osteolysis induced by implant debris. Therefore, we hypothesized that metformin could be a potential drug for osteolysis induced by implant debris. Electronic supplementary material The online version of this article (10.1186/s10020-018-0013-x) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Zhao Yan
- PLA Institute of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Xiaoxi Tian
- Emergency department of Tangdu Hospital, Fourth Military Medical University, Xi'an, 710038, China
| | - Jinyu Zhu
- PLA Institute of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Zifan Lu
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, Fourth Military Medical University, Xi'an, 710032, China
| | - Lifeng Yu
- PLA Institute of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Dawei Zhang
- PLA Institute of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Yanwu Liu
- PLA Institute of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Chongfei Yang
- PLA Institute of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Qingsheng Zhu
- PLA Institute of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
| | - Xiaorui Cao
- PLA Institute of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China.
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Ren W, Jackson N, Song W, Shi T, Flynn JC, Markel DC. Implant wear induced inflammation is mitigated in CX3CR1(-/-) mice. J Orthop Res 2014; 32:1037-43. [PMID: 24700421 DOI: 10.1002/jor.22625] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Accepted: 03/05/2014] [Indexed: 02/04/2023]
Abstract
Wear debris-induced monocyte recruitment plays a key role in the formation of chronic periprosthetic tissue inflammation associated with aseptic loosening. The purpose of this study was to investigate the role(s) of chemokine receptor CX3CR1 in ultra high molecular weight polyethylene (UHMWPE) particle-induced tissue inflammation using a murine air pouch model developed in CX3CR1 knockout (CX3CR1(-/-) ) mice. UHMWPE debris or saline were introduced into established air pouches on CX3CR1(-/-) and CX3CR1(+/+) mice. Pouch tissues were collected 7 days after UHMWPE inoculation. Results showed that UHMWPE stimulation induced strong pouch tissue inflammation in CX3CR1(+/+) mice, as manifested by inflammatory cellular infiltration (mainly macrophages), pouch tissue proliferation, and increased gene expression of IL-1ß and TNFα. UHMWPE-induced inflammation was significantly mitigated in CX3CR1(-/-) mice, as manifested by reduction of tissue inflammation (pouch thickness and cell density), inflammatory cytokine production (IL-1ß and TNFα) and macrophage accumulation. The observations support the hypothesis that the activation of the CX3CR1 chemokine pathway contributes to the severity of UHMWPE particle-induced tissue inflammation, and suggests that CX3CR1 signaling is involved in the recruitment of monocytes to the wear debris-containing inflammatory tissues. Blocking of CX3CR1 pathway may represent 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; Department of Orthopaedic Surgery, Providence Hospital, Southfield, Michigan
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Prietl B, Meindl C, Roblegg E, Pieber TR, Lanzer G, Fröhlich E. Nano-sized and micro-sized polystyrene particles affect phagocyte function. Cell Biol Toxicol 2013; 30:1-16. [PMID: 24292270 DOI: 10.1007/s10565-013-9265-y] [Citation(s) in RCA: 111] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Accepted: 11/15/2013] [Indexed: 12/22/2022]
Abstract
Adverse effect of nanoparticles may include impairment of phagocyte function. To identify the effect of nanoparticle size on uptake, cytotoxicity, chemotaxis, cytokine secretion, phagocytosis, oxidative burst, nitric oxide production and myeloperoxidase release, leukocytes isolated from human peripheral blood, monocytes and macrophages were studied. Carboxyl polystyrene (CPS) particles in sizes between 20 and 1,000 nm served as model particles. Twenty nanometers CPS particles were taken up passively, while larger CPS particles entered cells actively and passively. Twenty nanometers CPS were cytotoxic to all phagocytes, ≥500 nm CPS particles only to macrophages. Twenty nanometers CPS particles stimulated IL-8 secretion in human monocytes and induced oxidative burst in monocytes. Five hundred nanometers and 1,000 nm CPS particles stimulated IL-6 and IL-8 secretion in monocytes and macrophages, chemotaxis towards a chemotactic stimulus of monocytes and phagocytosis of bacteria by macrophages and provoked an oxidative burst of granulocytes. At very high concentrations, CPS particles of 20 and 500 nm stimulated myeloperoxidase release of granulocytes and nitric oxide generation in macrophages. Cytotoxic effect could contribute to some of the observed effects. In the absence of cytotoxicity, 500 and 1,000 nm CPS particles appear to influence phagocyte function to a greater extent than particles in other sizes.
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Affiliation(s)
- B Prietl
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Medical University of Graz, Auenbruggerplatz 15, 8036, Graz, Austria
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Cadosch D, Chan E, Gautschi OP, Filgueira L. Metal is not inert: Role of metal ions released by biocorrosion in aseptic loosening-Current concepts. J Biomed Mater Res A 2009; 91:1252-62. [DOI: 10.1002/jbm.a.32625] [Citation(s) in RCA: 121] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Laing AJ, Dillon JP, Mulhall KJ, Wang JH, McGuinness AJ, Redmond PH. Statins attenuate polymethylmethacrylate-mediated monocyte activation. Acta Orthop 2008; 79:134-40. [PMID: 18283585 DOI: 10.1080/17453670710014888] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Periprosthetic osteolysis precipitates aseptic loosening of components, increases the risk of periprosthetic fracture and, through massive bone loss, complicates revision surgery and ultimately is the primary cause for failure of joint arthroplasty. The anti-inflammatory properties of HMG-CoA reductase inhibitors belonging to the statin family are well recognized. We investigated a possible role for status in initiating the first stage of the osteolytic cycle, namely monocytic activation. METHODS We used an in vitro model of the human monocyte/macrophage inflammatory response to poly-methylmethacrylate (PMMA) particles after pretreat-ing cells with cerivastatin, a potent member of the statin family. Cell activation based upon production of TNF-alpha and MCP-1 cytokines was analyzed and the intracellular Raf-MEK-ERK signal transduction pathway was evaluated using western blot analysis, to identify its role in cell activation and in any cerivastatin effects observed. RESULTS We found that pretreatment with cerivastatin significantly abrogates the production of inflammatory cytokines TNF-alpha and MCP-1 by human monocytes in response to polymethylmethacrylate particle activation. This inflammatory activation and attenuation appear to be mediated through the intracellular Raf-MEK-ERK pathway. INTERPRETATION We propose that by intervening at the upstream activation stage, subsequent osteoclast activation and osteolysis can be suppressed. We believe that the anti-inflammatory properties of statins may potentially play a prophylactic role in the setting of aseptic loosening, and in so doing increase implant longevity.
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Affiliation(s)
- Alan J Laing
- Department of Surgical Research, Cork University Hospital, Cork, Ireland.
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Sundfeldt M, Carlsson LV, Johansson CB, Thomsen P, Gretzer C. Aseptic loosening, not only a question of wear: a review of different theories. Acta Orthop 2006; 77:177-97. [PMID: 16752278 DOI: 10.1080/17453670610045902] [Citation(s) in RCA: 384] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Today, aseptic loosening is the most common cause of revision of major arthroplasties. Aseptic loosening accounts for more than two-thirds of hip revisions and almost one-half of knee revisions in Sweden. Several theories on the cause of aseptic loosening have been proposed. Most of these theories, however, are based on empiric observations, experimental animal models or anecdotal cases. In this review, we discuss the most common theories concerning aseptic loosening. It emerges from this review that aseptic loosening has a multifactorial etiology and cannot be explained by a single theory.
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Affiliation(s)
- Mikael Sundfeldt
- Department of Biomaterials/Handicap Research, Sahlgrenska University Hospital, University of Gothenburg, Sweden.
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Ingham E, Fisher J. The role of macrophages in osteolysis of total joint replacement. Biomaterials 2005; 26:1271-86. [PMID: 15475057 DOI: 10.1016/j.biomaterials.2004.04.035] [Citation(s) in RCA: 379] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2003] [Accepted: 04/19/2004] [Indexed: 12/12/2022]
Abstract
The osteolysis associated with conventional polyethylene on metal total joint replacements is associated with the formation of an inflamed periprosthetic membrane rich in macrophages, cytokines and implant-derived wear particles. There is a wealth of evidence to indicate that the presence and activation of macrophages in the periprosthetic tissues around joint replacements is stimulated by UHMWPE particles. Particles within the size range 0.1-1.0 microm have been shown to be the most reactive. Animal studies have provided increasing evidence that, of the milieu of cytokines produced by particle-stimulated macrophages, TNF-alpha is a key cytokine involved in osteolysis. Recent advances in the understanding of the mechanisms of osteoclastogenesis and osteoclast activation at the cellular and molecular level have indicated that bone marrow-derived macrophages may play a dual role in osteolysis associated with total joint replacement. Firstly, as the major cell in host defence responding to UHMWPE particles via the production of cytokines and secondly as precursors for the osteoclasts responsible for the ensuing bone resorption.
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Affiliation(s)
- Eileen Ingham
- School of Biochemistry and Molecular Biology, Institute of Medical and Biological Engineering, Division of Microbiology, University of Leeds, Leeds LS2 9JT, UK.
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Abstract
Total joint replacements of the hip and knee are generally highly successful, with satisfactory longevity and clinical results. Using modern biocompatible materials, optimal component design, and meticulous surgical technique, survivorship of cemented or cementless joint replacements is approximately 15 years with more than a 90% probability. The host's biologic response is critical to implant longevity. Particulate disease refers to the host's adverse biologic response to wear debris and byproducts generated from the prosthesis. Initially, emphasis was placed on particulate polymethylmethacrylate (cement disease), but more recently polyethylene wear debris has been underscored. Debris from several materials in sufficient quantities and physicochemical forms, however, can generate an inflammatory cascade resulting in periprosthetic bone destruction (osteolysis), jeopardizing long-term success of the implant.
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Affiliation(s)
- Stuart Goodman
- Department of Orthopaedic Surgery, Stanford University Medical Center, 300 Pasteur Drive, Stanford, CA 94305, USA.
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Fritz EA, Glant TT, Vermes C, Jacobs JJ, Roebuck KA. Titanium particles induce the immediate early stress responsive chemokines IL-8 and MCP-1 in osteoblasts. J Orthop Res 2002; 20:490-8. [PMID: 12038622 DOI: 10.1016/s0736-0266(01)00154-1] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Exposure of human osteoblasts to ultrafine titanium (Ti) particles has been shown to alter osteoblast gene expression. We previously reported that Ti particles can increase IL-6 release and suppress the gene expression of procollagens alpha1[I] and alpha1[III] in human osteoblasts. In this study, we now demonstrate that Ti particles can rapidly induce the chemotactic cytokines interleukin-8 (IL-8) and monocyte chemoattractant protein-1 (MCP-1), two immediate early stress responsive chemokines important for the activation and chemotaxis of neutrophils and macrophages, respectively. In MG-63 osteosarcoma cells and bone marrow derived primary osteoblasts Ti particles selectively increased the steady state levels of IL-8 and MCP-1 mRNA in a time and concentration dependent manner. The increased chemokine mRNA correlated with increased secretion of IL-8 and MCP-1 protein. Actinomycin D, a potent RNA polymerase II inhibitor, blocked the Ti particle induction of IL-8 and MCP-1 mRNA expression, whereas cycloheximide, which inhibits protein synthesis, failed to inhibit chemokine gene expression suggesting Ti particles directly target activation of chemokine gene transcription. Consistent with a transcriptional mechanism not involving new protein synthesis, we demonstrate that Ti particles induce the binding of the p65 and p50 subunits of the latent transcription factor NF-kappaB to the IL-8 gene promoter. Taken together, these data demonstrate that Ti particles can activate transcription of the stress responsive chemokine genes IL-8 and MCP-1 in human osteoblasts.
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Affiliation(s)
- Elizabeth A Fritz
- Department of Immunology/Microbiology, Rush-Presbyterian-St. Luke's Medical Center, Rush University, Chicago, IL 60612, USA
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11
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Abstract
The major cause of orthopaedic implant loosening is thought to be accelerated osteoclastic bone resorption due to the action of cytokines produced in response to phagocytosis of implant-derived wear particles. This accelerated osteoclastic bone resorption could be due to increases in any of the following processes: recruitment of osteoclast precursors to the local microenvironment, differentiation of precursors into mature multinucleated osteoclasts. activation of mature osteoclasts, and/or survival of osteoclasts. Our studies have focused on differentiation and survival to complement work by others who have focused on recruitment of precursors and activation. Taken together, our studies and those of other investigators provide strong evidence that increased recruitment of osteoclast precursors and their subsequent differentiation play major roles in wear particle-induced osteolysis. In contrast, increased osteoclast activation and survival appear to play minor roles. These studies suggest that development of therapeutic interventions that reduce either recruitment or differentiation of osteoclast precursors would improve the performance of orthopaedic implants.
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Affiliation(s)
- Edward M Greenfield
- Department of Orthopaedics, Case Western Reserve University, Cleveland, OH 44106-5000, USA.
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Yaszay B, Trindade MC, Lind M, Goodman SB, Smith RL. Fibroblast expression of C-C chemokines in response to orthopaedic biomaterial particle challenge in vitro. J Orthop Res 2001; 19:970-6. [PMID: 11562149 DOI: 10.1016/s0736-0266(01)00003-1] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
C-C chemokines are soluble mediators that occur in a periprosthetic granuloma and influence recruitment, localization and activation of inflammatory cells. This study tested effects of titanium and polymethylmethacrylate (PMMA) particles on expression of selected C-C chemokines in cultured human fibroblasts. The C-C chemokines analyzed included monocyte chemoattractant protein-1. 2 (MCP-1. 2), monocyte inflammatory protein-1 alpha (MIP-1 alpha), and regulated on activation, normal T-cell expressed and secreted protein (RANTES). Interleukin-1 beta (IL-1 beta) served as a known stimulator of chemokine release while interleukin-6 (IL-6) expression served as a marker for fibroblast activation. Protein and mRNA signal levels were determined by ELISA and RT-PCR, respectively. The results demonstrated that exposure of fibroblasts to titanium and PMMA particles resulted in increased release of MCP-1 in a dose- and time-dependent manner. After 24 h, titanium particles maximally upregulated MCP-1 release 7-fold while PMMA particles increased MCP-1 levels 2-fold, when compared to unchallenged fibroblasts. MCP-2, MIP-1 alpha and RANTES levels remained unchanged following exposure of fibroblasts to titanium or PMMA particles at any concentration or time point tested. However, IL-1 beta stimulated release of MCP-1, MCP-2, and RANTES, but not MIP-1 alpha from the fibroblasts. IL-1 beta, not particles, exhibited the most prominent effect on MCP-1 mRNA levels. Increased release of MCP-1 from fibroblasts exposed to titanium and PMMA particles coincided with increased release of IL-6. This study suggests that release of chemoattractant factors from fibroblasts localized in periprosthetic membranes enhances the chronic inflammatory process leading to bone resorption and implant loosening.
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Affiliation(s)
- B Yaszay
- Orthopaedic Research Laboratory, Stanford University, School of Medicine, CA 94305-5341, USA
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Abstract
The structure and vascular pattern of the human tibialis anterior tendon was investigated using injection techniques, light and transmission electron microscopy and immunohistochemistry. From the well vascularised peritenon, blood vessels penetrate the tendon tissue and anastomose with a longitudinally oriented intratendinous network. The distribution of blood vessels within the tibialis anterior tendon was not homogenous. The posterior part of the tendon had a complete vascular network that extends from the musculotendinous junction to the insertion at the first metatarsal and medial cuneiform bones. In the anterior half, the tissue was avascular in a zone with a length of 45-67 mm. This zone was covered by a single layer (approximately 30 microm) of oval shaped cells. Transmission electron microscopy showed that these cells have the characteristics of chondroid cells. This region was stained by Alcian blue at pH 1 which indicates a high concentration of acid glycosaminoglycans and immunohistochemical staining for chondroitin-4-sulphate, chondroitin-6-sulphate and aggrecan was positive. However, immunostaining for the typical cartilage specific type II collagen within this zone was negative. The location of the avascular zone corresponds to the region where the tibialis anterior tendon wraps around the superior and inferior retinacula which serve as fibrous pulleys. This is the region where most spontaneous ruptures of the tibialis anterior tendon occur. The presence of fibrocartilage within gliding tendons is a functional adaptation to compressive and shearing forces. In contrast to reports from the literature about the structure of gliding tendons wrapping around a bony pulley, the gliding zone of the tibialis anterior tendon has only a narrow layer of chondroid cells and proof of type II collagen is lacking.
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Affiliation(s)
- W Petersen
- Department of Anatomy, Christian Albrechts University Kiel, Germany
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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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Andersson MK, Anissian L, Stark A, Bucht E, Felländer-Tsai L, Tsai JA. Synovial fluid from loose hip arthroplasties inhibits human osteoblasts. Clin Orthop Relat Res 2000:148-54. [PMID: 10986989 DOI: 10.1097/00003086-200009000-00024] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Aseptic loosening of prosthetic components in patients who have undergone total hip arthroplasty is a major clinical problem. Earlier studies on this topic have focused mainly on different aspects of bone resorption. The current study investigated the influence of synovial fluid from patients who underwent revision surgery because of aseptic loosening and synovial fluid from patients with osteoarthritis on the proliferation of primary cultures of human osteoblasts. Incubation of cells with 10% synovial fluid from patients who had revision surgery significantly inhibited [3H]thymidine incorporation into deoxyribonucleic acid in human osteoblasts compared with control conditions, whereas 10% synovial fluid from patients with osteoarthritis had a significant stimulatory effect. These findings correlate well with clinical features seen in these diseases, such as increased net bone resorption around the prosthesis in patients with loosening, and increased periarticular bone formation in patients with osteoarthritis.
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Affiliation(s)
- M K Andersson
- Department of Molecular Medicine, Karolinska Hospital, Karolinska Institutet, Stockholm, Sweden
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Liagre B, Charissoux JL, Leboutet MJ, Bernache-Assollant D, Beneytout JL. Interactions of hydroxyapatite and fluorapatite particles on human osteoarthritis type B synoviocytes: effects on interleukin-1 alpha levels and lipoxygenase pathways. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 2000; 38:243-56. [PMID: 9283970 DOI: 10.1002/(sici)1097-4636(199723)38:3<243::aid-jbm9>3.0.co;2-p] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
We investigated the effects of the biomaterials hydroxyapatite (HAP) and fluorapatite (FAP) on cultured human osteoarthritis type B synoviocytes by analyzing interleukin-1 alpha (IL-1 alpha) production and arachidonic acid metabolism via lipoxygenase pathways. A portion of opsonized particles was endocytosed and was found in numerous phagolysosomes in human synoviocyte cytoplasms. The present study demonstrates that HAP and FAP calcined at 700 degrees C induced a decrease in IL-1 alpha production but markedly decreased the synthesis of lipoxygenase products after 1-month incubation with the particles. This model will allow us to study the possible inflammatory response (arachidonic acid metabolism, proinflammatory cytokines) that can be induced by any biomaterials used in orthopedics.
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Affiliation(s)
- B Liagre
- Faculté de Médecine, E.R.S. CNRS 6101, Limoges, France
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Petersen W, Bobka T, Stein V, Tillmann B. Blood supply of the peroneal tendons: injection and immunohistochemical studies of cadaver tendons. ACTA ORTHOPAEDICA SCANDINAVICA 2000; 71:168-74. [PMID: 10852323 DOI: 10.1080/000164700317413148] [Citation(s) in RCA: 109] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
We studied the vascular pattern of human peroneal tendons with injection techniques and immunohistochemically by using antibodies against laminin The main blood supply arises from the peroneal artery. The distal part of the peroneus longus tendon is supplied by branches of the medial tarsal artery. Blood vessels enter the peritenon of both tendons via a mesotenon from the posterior aspect. From the peritenon, the blood vessels penetrate the peroneus brevis and peroneus longus tendons and anastomose with a longitudinally-oriented intratendinous network. The amount of vessels in the tendon substance is consistently less than in the surrounding peritenon. The distribution of blood vessels in the peroneal tendons is not homogeneous. In the region where the peroneus brevis tendon passes through the fibular groove, the longitudinally-oriented intratendinous vascular network is interrupted and the tendon is almost avascular. In this region, the tendon is squeezed between the peroneus longus tendon and the bony slide bearing of the lateral malleolus. The peroneus longus tendon has two avascular zones. In the region where the peroneus longus tendon curves around the lateral malleolus and the peroneal trochlea of the calcaneus, the anterior part of the tendon which is directed towards the pulley is avascular. A second avascular zone is located more distally in the region where the tendon changes direction and wraps around the cuboid.
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Affiliation(s)
- W Petersen
- Christian-Albrechts-University Kiel, Department of Anatomy, Germany
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Chen FS, Scher DM, Clancy RM, Vera-Yu A, Di Cesare PE. In vitro and in vivo activation of polymorphonuclear leukocytes in response to particulate debris. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 2000; 48:904-12. [PMID: 10556858 DOI: 10.1002/(sici)1097-4636(1999)48:6<904::aid-jbm21>3.0.co;2-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The host inflammatory response to particulate wear debris has been implicated as a principal cause of osteolysis and aseptic loosening following total joint arthroplasty. While it has long been assumed that this inflammatory response is mediated solely by a chronic process, there has been evidence to suggest that an acute response to particulate debris may be important in initiating the chronic response. We studied the in vitro and in vivo acute inflammatory responses mediated by polymorphonuclear leukocytes (PMNs) to both retrieved particulate from a catastrophically failed uncemented metal-backed acetabular component and to commercially pure particulate (polyethylene, cobalt-chrome, and titanium). Isolated, nonactivated human PMNs in vitro exhibited both a dose- and time-dependent degranulation response to opsonized particulate debris, as evidenced by release of both specific (increased lysozyme activity) and azurophilic (increased beta-glucuronidase activity) granule contents. In the rat subcutaneous pouch model in vivo, PMNs were recruited within 3-6 h after exposure to particulate debris and were noted to phagocytize particulate and subsequently degranulate, as evidenced by increased beta-glucuronidase and PMN-specific myeloperoxidase (azurophilic granule enzymes) activities. This response peaked within the first 6 h and gradually declined by 24 h. The results of this study demonstrate the presence of an acute inflammatory response mediated by PMNs both in vitro and in vivo to particulate debris, which may be important in the sequence of events that lead to the macrophage-dominated chronic inflammatory process culminating in osteolysis and aseptic loosening of total joint arthroplasties.
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Affiliation(s)
- F S Chen
- Musculoskeletal Research Center, Department of Orthopaedic Surgery, Hospital for Joint Diseases Orthopaedic Institute, 301 East 17(th) St., New York, NY 10003, USA
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Trindade MC, Song Y, Aspenberg P, Smith RL, Goodman SB. Proinflammatory mediator release in response to particle challenge: studies using the bone harvest chamber. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 1999; 48:434-9. [PMID: 10421684 DOI: 10.1002/(sici)1097-4636(1999)48:4<434::aid-jbm6>3.0.co;2-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
This study reports on the effects of phagocytosable particles on proinflammatory mediator release in an animal model. Bone harvest chambers (BHCs) were implanted bilaterally into mature rabbits; phagocytosable ultrahigh molecular weight polyethylene (UHMWPE) and polystyrene (PS) particles, and the carrier sodium hyaluronate (HE) were tested for their ability to stimulate proinflammatory mediator release. Tissues were harvested after 3, 4, or 6 weeks. Retrieved tissues were placed into culture medium. The release of the proinflammatory mediators interleukin-6 (IL-6), interleukin-1beta (IL-1beta), and tumor necrosis factor alpha (TNF-alpha) into the culture medium was assessed using bioassays. DNA content and dry weights were also measured. The maximal biological response to the PE particles with respect to TNF-alpha and IL-1beta was observed at three weeks with 11- and fivefold stimulations over controls, respectively. The maximal response to PE particles with respect to IL-6 was observed at 4 weeks with a twofold stimulation over controls. Similar patterns were seen with PS particles; however, PE particles stimulated higher cytokine release. PE particles stimulated the expression of IL-1beta, IL-6, and TNF-alpha in the BHC model. Cell culture and human retrieval studies also implicate these proinflammatory mediators in loosening and osteolysis of total joint replacements. Thus, the BHC is a useful in vivo model to document the effects of particles on the evolution of biological responses to particulate debris.
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Affiliation(s)
- M C Trindade
- Orthopaedic Research Laboratory, Stanford University School of Medicine, Stanford, California, USA
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Nakashima Y, Sun DH, Trindade MC, Maloney WJ, Goodman SB, Schurman DJ, Smith RL. Signaling pathways for tumor necrosis factor-alpha and interleukin-6 expression in human macrophages exposed to titanium-alloy particulate debris in vitro. J Bone Joint Surg Am 1999; 81:603-15. [PMID: 10360689 DOI: 10.2106/00004623-199905000-00002] [Citation(s) in RCA: 147] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Loosening of the implant after total joint arthroplasty remains a serious problem. The activation of macrophages by wear debris from implants, mediated by the release of cytokines that elicit bone resorption, may lead to loosening. The purpose of the present study was to elucidate the mechanisms of macrophage activation by titanium particles from the components of implants and to identify the signaling pathways involved in particle-mediated release of cytokines. METHODS Macrophages were isolated from mononuclear leukocytes obtained from healthy human donors and were exposed to titanium-alloy particles that had been obtained from periprosthetic membranes collected at revision total joint arthroplasties and then enzymatically prepared. The experimental protocols included examination of the effects of the inhibition of phagocytosis and the binding of antibodies to macrophage complement receptors on particle-induced macrophage activation. The release of the proinflammatory cytokines TNF-alpha (tumor necrosis factor-alpha) and IL-6 (interleukin-6) was used to assess macrophage activation. The signaling pathways involved in the induction of cytokine release were analyzed by identification of phosphorylated proteins with use of the Western blot technique and by translocation of the transcription factors nuclear factor-kappa B (NF-kappaB) and nuclear factor-interleukin-6 (NF-IL-6) into the nuclear protein fraction with use of electrophoretic mobility shift assays. The role of serine/threonine and tyrosine kinase pathways in the activation of nuclear factors and the release of cytokines was examined with use of selective pharmacological agents. RESULTS Exposure of macrophages to titanium-alloy particles in vitro for forty-eight hours resulted in a fortyfold increase in the release of TNF-alpha and a sevenfold increase in the release of IL-6 (p<0.01). Phagocytosis of particles occurred in approximately 73 percent of the macrophages within one hour of exposure. Pretreatment of the macrophages with cytochalasin B reduced phagocytosis by 95 percent but did not reduce the release of TNF-alpha or IL-6. Thus, phagocytosis of particles was not necessary for induction of the release of TNF-alpha or IL-6 in the cultured macrophages. Ligation of the macrophage CD11b/CD18 receptors by integrin-specific antibodies also increased the release of TNF-alpha and IL-6. Antibodies to CD11b/ CD18 receptors (macrophage Mac-1 receptors) reduced phagocytosis of particles by 50 percent (p<0.05). (The CD11b/CD18 macrophage receptor is the macrophage receptor for the complement component CR3bi. The CD11b/CD18 macrophage receptor can also bind to ICAM-1 and ICAM-2. CD is the abbreviation for cluster of differentiation, and ICAM is the abbreviation for intercellular adhesion molecule.) Inhibition of phagocytosis was not accompanied by a decrease in the release of TNF-alpha and IL-6. Blocking RNA synthesis with actinomycin D or preventing protein synthesis with cycloheximide abolished or decreased particle-induced release of TNF-alpha and IL-6 from the macrophages. Macrophage release of TNF-alpha and IL-6 in response to particles coincided with increased tyrosine phosphorylation and mitogen-activated protein kinase activation. Inhibition of tyrosine and serine/threonine kinase activity decreased the particle-induced release of cytokines. Exposure of macrophages to either titanium-alloy particles or to antibodies to the receptor proteins CD11b and CD18 for thirty minutes activated the transcription factors NF-kappaB and NF-IL-6. Inhibition of particle phagocytosis did not block activation of the transcription factors. However, inhibition of tyrosine and serine/threonine kinase activity decreased the activation of NF-kappaB and NF-IL-6. CONCLUSIONS These data suggest that particle induced macrophage release of TNF-alpha and IL-6 does not require phagocytosis but is dependent on tyrosine and serine/threonine kinase activity culminating in activation of
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Affiliation(s)
- Y Nakashima
- Orthopaedic Research Laboratory, Stanford University Medical Center, California 94305-5341, USA
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Takami Y, Nakazawa T, Makinouchi K, Glueck J, Nosé Y. Biocompatibility of alumina ceramic and polyethylene as materials for pivot bearings of a centrifugal blood pump. JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 1997; 36:381-6. [PMID: 9260108 DOI: 10.1002/(sici)1097-4636(19970905)36:3<381::aid-jbm12>3.0.co;2-h] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The double pivot bearings in the Gyro C1E3 centrifugal blood pump incorporate a high-purity alumina (Al2O3) ceramic and an ultra-high-molecular-weight polyethylene (UHMWPE). This centrifugal pump has been developed as a completely sealless pump for long-term usage. The combination of Al2O3 and UHMWPE are the materials of choice for the acetabular bearing in artificial joints, which have proven to be clinically reliable for over 10 years. Previous studies have examined the biocompatibility of Al2O3 and UHMWPE as bulky implant materials. The present study investigated this material as a blood-contacting material using a standard assessment in vitro and in vivo analysis. The examined items were systemic toxicity, sensitization (guinea pig maximization test), cytotoxicity (elution test), mutagenicity (Ames test), direct contact hemolysis, and thrombogenicity. The studies were performed according to the United States Pharmacopoeia and published previous studies. The samples of both Al2O3 and UHMWPE demonstrated no differences from the negative controls in all tests. These findings indicate that both Al2O3 and UHMWPE are biocompatible materials for double-pivot bearings in the centrifugal blood pump.
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Affiliation(s)
- Y Takami
- Department of Surgery, Baylor College of Medicine, Houston, Texas 77030, USA
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Goodman S, Aspenberg P, Song Y, Regula D, Lidgren L. Polyethylene and titanium alloy particles reduce bone formation. Dose-dependence in bone harvest chamber experiments in rabbits. ACTA ORTHOPAEDICA SCANDINAVICA 1996; 67:599-605. [PMID: 9065075 DOI: 10.3109/17453679608997764] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Particles similar to those generated from joint replacements affect net bone formation within the Bone Harvest Chamber in rabbits. Whether these effects depend on the concentration of particulate materials is unknown. In this study, we performed a histomorphologic and morphometric analysis of net bone formation in the Bone Harvest Chamber in the presence of different concentrations of phagocytosable particles of high density polyethylene and titanium 6-aluminum 4-vanadium alloy. Chambers were implanted in 9 mature New Zealand white rabbits bilaterally. Concentrations of 10(6), 10(7) and 10(8) polyethylene particles/mL, and 10(8) and 10(9) particles/ mL of titanium alloy in 1% sodium hyaluronate carrier were implanted for 3-week periods in sequence in each of the chambers. 3-week control periods in which nothing was implanted in the chamber were included between the treatments. Increasing concentrations of polyethylene particles were associated with a more marked foreign body response and fibrosis. Net bone formation for the three polyethylene doses was reduced by 11%, 21% and 33% of controls, respectively. For titanium alloy, net bone formation was reduced by 8% and 56% of controls, for concentrations of 10(8) and 10(9) particles/mL, respectively. Our findings suggest possible adverse effects of wear debris on net bone formation and bony remodeling in the prosthetic bed, when concentrations of specific particles reach critical local levels.
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Affiliation(s)
- S Goodman
- Division of Orthopaedic Surgery, Stanford University Medical Center, California 94305, USA
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