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Huang S, Xu D, Zhang L, Hao L, Jia Y, Zhang X, Cheng T, Chen J. Therapeutic Effects of Curcumin Liposomes and Nanocrystals on Inflammatory Osteolysis: In Vitro and In Vivo Comparative Study. Pharmacol Res 2023; 192:106778. [PMID: 37094714 DOI: 10.1016/j.phrs.2023.106778] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 04/20/2023] [Accepted: 04/20/2023] [Indexed: 04/26/2023]
Abstract
Curcumin could inhibit periprosthetic osteolysis induced by wear debris and adherent endotoxin, which commonly cause prosthesis loosening and negatively influence the long-term survival of joint arthroplasty. However, its limited water solubility and poor stability pose challenges for its further clinical application. To address these issues, we developed curcumin liposomes for intraarticular injection, as liposomes possess good lubricant capacity and pharmacological synergy with curcumin. Additionally, a nanocrystal dosage form was prepared to enable comparison with the liposomes based on their ability to disperse curcumin effectively. A microfluidic method was used for its controllability, repeatability, and scalability. The Box-Behnken Design was employed to screen the formulations and flow parameters, while computational fluid dynamics was used to simulate the mixing process and predict the formation of liposomes. The optimized curcumin liposomes (Cur-LPs) had a size of 132.9nm and an encapsulation efficiency of 97.1%, whereas the curcumin nanocrystals (Cur-NCs) had a size of 172.3nm. Both Cur-LPs and Cur-NCs inhibited LPS-induced pro-inflammatory polarization of macrophages and reduced the expression and secretion of inflammatory factors. The mouse air pouch model further demonstrated that both dosage forms attenuated inflammatory cell infiltration and inflammatory fibrosis in subcutaneous tissues. Interestingly, the anti-inflammatory effect of Cur-LPs was more potent than that of Cur-NCs, both in vitro and in vivo, although the cellular uptake of Cur-NCs was quicker. In conclusion, the results demonstrate that Cur-LPs have great potential for the clinical treatment of inflammatory osteolysis and that the therapeutic effect is closely related to the liposomal dosage form.
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Affiliation(s)
- Shan Huang
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Dongdong Xu
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Zhang
- Instrumental Analysis Center, Shanghai Jiao Tong University, No.800, Shanghai, China
| | - Liang Hao
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yujie Jia
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Xianlong Zhang
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Tao Cheng
- Department of Orthopaedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jian Chen
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
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Hameister R, Kaur C, Dheen ST, Lohmann CH, Singh G. Reactive oxygen/nitrogen species (ROS/RNS) and oxidative stress in arthroplasty. J Biomed Mater Res B Appl Biomater 2020; 108:2073-2087. [PMID: 31898397 DOI: 10.1002/jbm.b.34546] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 11/19/2019] [Accepted: 12/08/2019] [Indexed: 12/16/2022]
Abstract
The interplay between implant design, biomaterial characteristics, and the local microenvironment adjacent to the implant is of utmost importance for implant performance and success of the joint replacement surgery. Reactive oxygen and nitrogen species (ROS/RNS) are among the various factors affecting the host as well as the implant components. Excessive formation of ROS and RNS can lead to oxidative stress, a condition that is known to damage cells and tissues and also to affect signaling pathways. It may further compromise implant longevity by accelerating implant degradation, primarily through activation of inflammatory cells. In addition, wear products of metallic, ceramic, polyethylene, or bone cement origin may also generate oxidative stress themselves. This review outlines the generation of free radicals and oxidative stress in arthroplasty and provides a conceptual framework on its implications for soft tissue remodeling and bone resorption (osteolysis) as well as implant longevity. Key findings derived from cell culture studies, animal models, and patients' samples are presented. Strategies to control oxidative stress by implant design and antioxidants are explored and areas of controversy and challenges are highlighted. Finally, directions for future research are identified. A better understanding of the host-implant interplay and the role of free radicals and oxidative stress will help to evaluate therapeutic approaches and will ultimately improve implant performance in arthroplasty.
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Affiliation(s)
- Rita Hameister
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Charanjit Kaur
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Shaikali Thameem Dheen
- Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Christoph H Lohmann
- Department of Orthopaedic Surgery, Otto-von-Guericke University, Magdeburg, Germany
| | - Gurpal Singh
- Centre for Orthopaedics Pte Ltd, Singapore, Singapore
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Borys J, Maciejczyk M, Antonowicz B, Sidun J, Świderska M, Zalewska A. Free Radical Production, Inflammation and Apoptosis in Patients Treated With Titanium Mandibular Fixations-An Observational Study. Front Immunol 2019; 10:2662. [PMID: 31781128 PMCID: PMC6857478 DOI: 10.3389/fimmu.2019.02662] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 10/28/2019] [Indexed: 12/31/2022] Open
Abstract
Despite high biocompatibility of titanium and its alloys, this metal causes various side effects in the human body. It is believed that titanium biomaterials may induce an innate/adaptive immune response. However, still little is known about changes caused by titanium mandible implants, particularly with regard to bone healing. The latest studies showed disturbances in the antioxidant barrier, increased oxidative/nitrosative stress, as well as mitochondrial abnormalities in the periosteum covering titanium mandible fixations; nevertheless, the impact of titanium implants on free radical production, inflammation, and mandible apoptosis are still unknown. Because severe inflammation and apoptosis are among the main factors responsible for disturbances in osteointegration as well as implant rejection, this study is the first to evaluate pro-oxidant enzymes, cytokines as well as pro- and anti-apoptotic proteins in the periosteum of patients with a broken jaw, treated with titanium miniplates and miniscrews. The study group consisted of 29 patients with double-sided fracture of the mandible body requiring surgical treatment. We found significantly higher activity of NADPH oxidase and xanthine oxidase as well as enhanced rate of free radical production in the periosteum of patients in the study group compared to the control group. The markers of inflammation [interleukin 1 (IL-1), interleukin 6 (IL-6), tumor necrosis factor α (TNF-α), transforming growth factor β (TGF-β) and β-glucuronidase (GLU)] as well as apoptosis [Bax, Bax/Bcl-2 ratio, caspase-3 (CAS-3) and nitric oxide (NO)] were significantly elevated in periosteum covering titanium fixations compared to the control group. In the study group, we also demonstrated an increased content of titanium on the periosteum surface, which positively correlated with CAS-3 activity. The study led us to the conclusion that titanium mandible implants increase the production of pro-inflammatory cytokines, and enhance free radical generation in the periosteum covering titanium miniplates and miniscrews. Additionally, exposure to Ti6Al4V titanium alloy induces apoptosis in the mandible periosteum. However, no clinical signs of the said phenomena have been observed.
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Affiliation(s)
- Jan Borys
- Department of Maxillofacial and Plastic Surgery, Medical University of Bialystok, Bialystok, Poland
| | - Mateusz Maciejczyk
- Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, Bialystok, Poland
| | - Bożena Antonowicz
- Department of Oral Surgery, Medical University of Bialystok, Bialystok, Poland
| | - Jarosław Sidun
- Department of Material and Biomedical Engineering, Faculty of Mechanical Engineering, Bialystok University of Technology, Bialystok, Poland
| | - Magdalena Świderska
- Department of Hygiene, Epidemiology and Ergonomics, Medical University of Bialystok, Bialystok, Poland
| | - Anna Zalewska
- Experimental Dentistry Laboratory, Medical University of Bialystok, Bialystok, Poland
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Glutathione Metabolism, Mitochondria Activity, and Nitrosative Stress in Patients Treated for Mandible Fractures. J Clin Med 2019; 8:jcm8010127. [PMID: 30669680 PMCID: PMC6352110 DOI: 10.3390/jcm8010127] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 01/19/2019] [Accepted: 01/20/2019] [Indexed: 12/22/2022] Open
Abstract
The aim of the study was to evaluate the effect of titanium bone fixations on mitochondrial activity, reactive oxygen species (ROS) production, glutathione metabolism, and selected markers of oxidative/nitrosative stress in the periosteum-like tissue of patients treated with mandible fractures. The study group consisted of 30 patients with bilateral fractures of the mandible body eligible for surgical treatment. Our study is the first one that indicates disturbances of mitochondrial activity as well as a higher production of ROS in the periosteum-like tissue covering titanium fixations of the mandible. We also found significantly higher levels of reduced glutathione and enhanced activity of glutathione reductase in the periosteum homogenates of patients in the study group compared to the control group. Levels of nitrosative (S-nitrosothiols, peroxynitrite, nitrotyrosine) and oxidative stress biomarkers (malondialdehyde, protein carbonyls, dityrosine, kynurenine, and N-formylkynurenine) were statistically elevated in periosteum-like tissue covering titanium fixations. Although exposure to titanium fixations induces local antioxidant mechanisms, patients suffer oxidative damage, and in the periosteum-like tissue the phenomenon of metallosis was observed. Titanium implants cause oxidative/nitrosative stress as well as disturbances in mitochondrial activity.
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Barthes J, Ciftci S, Ponzio F, Knopf-Marques H, Pelyhe L, Gudima A, Kientzl I, Bognár E, Weszl M, Kzhyshkowska J, Vrana NE. Review: the potential impact of surface crystalline states of titanium for biomedical applications. Crit Rev Biotechnol 2017; 38:423-437. [PMID: 28882077 DOI: 10.1080/07388551.2017.1363707] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In many biomedical applications, titanium forms an interface with tissues, which is crucial to ensure its long-term stability and safety. In order to exert control over this process, titanium implants have been treated with various methods that induce physicochemical changes at nano and microscales. In the past 20 years, most of the studies have been conducted to see the effect of topographical and physicochemical changes of titanium surface after surface treatments on cells behavior and bacteria adhesion. In this review, we will first briefly present some of these surface treatments either chemical or physical and we explain the biological responses to titanium with a specific focus on adverse immune reactions. More recently, a new trend has emerged in titanium surface science with a focus on the crystalline phase of titanium dioxide and the associated biological responses. In these recent studies, rutile and anatase are the major two polymorphs used for biomedical applications. In the second part of this review, we consider this emerging topic of the control of the crystalline phase of titanium and discuss its potential biological impacts. More in-depth analysis of treatment-related surface crystalline changes can significantly improve the control over titanium/host tissue interface and can result in considerable decreases in implant-related complications, which is currently a big burden on the healthcare system.
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Affiliation(s)
- Julien Barthes
- a Fundamental Research Unit , Protip Medical , Strasbourg , France.,b INSERM, UMR-S 1121 , , "Biomatériaux et Bioingénierie" , Strasbourg Cedex , France
| | - Sait Ciftci
- b INSERM, UMR-S 1121 , , "Biomatériaux et Bioingénierie" , Strasbourg Cedex , France.,c Service ORL , Hopitaux Universitaires de Strasbourg , Strasbourg , France
| | - Florian Ponzio
- b INSERM, UMR-S 1121 , , "Biomatériaux et Bioingénierie" , Strasbourg Cedex , France.,d Université de Strasbourg, Fédération de Médecine Translationnelle de Strasbourg , Fédération des Matériaux et Nanoscience d'Alsace (FMNA), Faculté de Chirurgie Dentaire , Strasbourg , France
| | - Helena Knopf-Marques
- b INSERM, UMR-S 1121 , , "Biomatériaux et Bioingénierie" , Strasbourg Cedex , France.,d Université de Strasbourg, Fédération de Médecine Translationnelle de Strasbourg , Fédération des Matériaux et Nanoscience d'Alsace (FMNA), Faculté de Chirurgie Dentaire , Strasbourg , France
| | - Liza Pelyhe
- e Department of Materials Science and Engineering, Faculty of Mechanical Engineering , Budapest University of Technology and Economics , Budapest , Hungary
| | - Alexandru Gudima
- f Medical Faculty Mannheim , Institute of Transfusion Medicine and Immunology, University of Heidelberg , Mannheim , Germany
| | - Imre Kientzl
- e Department of Materials Science and Engineering, Faculty of Mechanical Engineering , Budapest University of Technology and Economics , Budapest , Hungary
| | - Eszter Bognár
- e Department of Materials Science and Engineering, Faculty of Mechanical Engineering , Budapest University of Technology and Economics , Budapest , Hungary.,g MTA-BME Research Group for Composite Science and Technology , Budapest , Hungary
| | - Miklós Weszl
- h Department of Biophysics and Radiation Biology , Semmelweis University , Budapest , Hungary
| | - Julia Kzhyshkowska
- f Medical Faculty Mannheim , Institute of Transfusion Medicine and Immunology, University of Heidelberg , Mannheim , Germany.,i German Red Cross Blood Service Baden-Württemberg-Hessen , Mannheim , Germany
| | - Nihal Engin Vrana
- a Fundamental Research Unit , Protip Medical , Strasbourg , France.,b INSERM, UMR-S 1121 , , "Biomatériaux et Bioingénierie" , Strasbourg Cedex , France
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Steinbeck MJ, Jablonowski LJ, Parvizi J, Freeman TA. The role of oxidative stress in aseptic loosening of total hip arthroplasties. J Arthroplasty 2014; 29:843-9. [PMID: 24290740 PMCID: PMC3965616 DOI: 10.1016/j.arth.2013.09.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Revised: 08/26/2013] [Accepted: 09/02/2013] [Indexed: 02/01/2023] Open
Abstract
This study investigated the hypothesis that wear particle-induced oxidative stress initiates osteolysis after total hip arthroplasty (THA). Patient radiographs were scored for osteolysis and periprosthetic tissues were immunostained and imaged to quantify polyethylene wear, inflammation, and five osteoinflammatory and oxidative stress-responsive factors. These included high mobility group protein-B1 (HMGB1), cyclooxygenase-2 (COX2), inducible nitric oxide synthase (iNOS), 4-hydroxynonenal (4-HNE), and nitrotyrosine (NT). The results show wear debris correlated with inflammation, 4-HNE, NT and HMGB1, whereas inflammation only correlated with NT and HMGB1. Similar to wear debris and inflammation, osteolysis correlated with HMGB1. Additionally, osteolysis correlated with COX2 and 4-HNE, but not iNOS or NT. Understanding the involvement of oxidative stress in wear-induced osteolysis will help identify diagnostic biomarkers and therapeutic targets to prevent osteolysis after THA.
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Affiliation(s)
- Marla J Steinbeck
- School of Biomedical Engineering, Science & Health Systems, Drexel University, Philadelphia, Pennsylvania; Department of Orthopaedic Surgery,Drexel University College of Medicine, Philadelphia, Pennsylvania
| | - Lauren J Jablonowski
- School of Biomedical Engineering, Science & Health Systems, Drexel University, Philadelphia, Pennsylvania
| | - Javad Parvizi
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania; Rothman Institute at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Theresa A Freeman
- Department of Orthopaedic Surgery, Thomas Jefferson University, Philadelphia, Pennsylvania
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7
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Zang L, He H, Ye Y, Liu W, Fan S, Tashiro SI, Onodera S, Ikejima T. Nitric oxide augments oridonin-induced efferocytosis by human histocytic lymphoma U937 cells via autophagy and the NF-κB-COX-2-IL-1β pathway. Free Radic Res 2012; 46:1207-19. [PMID: 22670565 DOI: 10.3109/10715762.2012.700515] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
We previously demonstrated that oridonin-induced autophagy enhanced efferocytosis (phagocytosis of apoptotic cells) by macrophage-like U937 cells through activation of the inflammatory pathways. In this study, exposure of U937 cells to 2.5 μM oridonin caused up-regulation of inducible nitric oxide synthase (iNOS) expression and continuous endogenous generation of nitric oxide (NO), which was reversed by pre-treatment with the inhibitors of nitric oxide synthase 1400 W (dihydrochloride) or L-NAME (hydrochloride). NO donor sodium nitroprusside (SNP) and efferocytosis irritant lipopolysaccharide (LPS) could also exert NO generation and iNOS expression. Moreover, oridonin-induced stimulation of efferocytosis was significantly suppressed by 1400 W or L-NAME. In addition, 1400 W or L-NAME impaired oridonin-induced autophagy. Inhibition of autophagy with 3-methyladenine (3MA) or Beclin-1 siRNA attenuated the uptake of apoptotic cells with a slight increase in the production of NO. The pro-inflammatory cytokine interleukin-1β (IL-1β) has been reported to be involved in oridonin-induced efferocytosis in U937 cells and interact with NO to contribute to inflammatory responses. 1400 W or L-NAME blocked the secretion of IL-1β and the activation of NF-κB and COX-2. Provision of SNP or LPS in place of oridonin resulted in the similar enhancement of efferocytosis, autophagy, the release of IL-1β and the expression of signal protein. NO augmented the oridonin-induced efferocytosis by mediating autophagy and activating the NF-κB-COX-2-IL-1β pathway. Inhibition of NF-κB or COX-2 in turn decreased the production of NO and the expression of iNOS. There exists a positive feedback loop between NO generation and NF-κB-COX-2-IL-1β pathway.
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Affiliation(s)
- Linghe Zang
- China-Japan Research Institute of Medical and Pharmaceutical Sciences, Shenyang Pharmaceutical University , 103 Wenhua Road, Shenyang , People's Republic of China
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8
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Dringen R, Koehler Y, Derr L, Tomba G, Schmidt MM, Treccani L, Colombi Ciacchi L, Rezwan K. Adsorption and reduction of glutathione disulfide on α-Al2O3 nanoparticles: experiments and modeling. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:9449-9457. [PMID: 21702501 DOI: 10.1021/la201856p] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Glutathione disulfide (GSSG; γ-GluCysGly disulfide) was used as a physiologically relevant model molecule to investigate the fundamental adsorption mechanisms of polypeptides onto α-alumina nanoparticles. Its adsorption/desorption behavior was studied by enzymatic quantification of the bound GSSG combined with zeta potential measurements of the particles. The adsorption of GSSG to alumina nanoparticles was rapid, was prevented by alkaline pH, was reversed by increasing ionic strength, and followed a nearly ideal Langmuir isotherm with a standard Gibbs adsorption energy of -34.7 kJ/mol. Molecular dynamics simulations suggest that only one of the two glutathionyl moieties contained in GSSG binds stably to the nanoparticle surface. This was confirmed experimentally by the release of GSH from the bound GSSG upon reducing its disulfide bond with dithiothreitol. Our data indicate that electrostatic interactions via the carboxylate groups of one of the two glutathionyl moieties of GSSG are predominantly responsible for the binding of GSSG to the alumina surface. The results and conclusions presented here can provide a base for further experimental and modeling studies on the interactions of biomolecules with ceramic materials.
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Affiliation(s)
- Ralf Dringen
- Center for Biomolecular Interactions Bremen, University of Bremen, Germany.
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9
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Tan F, Naciri M, Al-Rubeai M. Osteoconductivity and growth factor production by MG63 osteoblastic cells on bioglass-coated orthopedic implants. Biotechnol Bioeng 2011; 108:454-64. [PMID: 20872820 DOI: 10.1002/bit.22955] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We have produced Bioglass coatings for Orthopedic implants by using a novel coating technique, CoBlast. The two resultant surfaces, designated BG and hydroxyapatite (HA)/BG, were compared with their HA counterpart, OsteoZip in terms of osteoblastic cell attachment, adhesion, proliferation, differentiation, and growth factor production. BG and HA/BG were demonstrated by goniometry to be more hydrophilic than OsteoZip. This corresponded to enhanced protein adsorption, cell attachment, and cell adhesion documented by both quantitative and qualitative assessments. BG and HA/BG surfaces had a significant initial release of Si and Ca ions, and this was consistent with elevated cell proliferation and basic fibroblast growth factor levels. However, OsteoZip, being similar to HA/BG, exhibited better osteogenic differentiation than BG did, shown by augmented differentiation marker activity at both protein and mRNA levels. Sandwich ELISA was used to quantify angiopoietin and inducible nitric oxide synthase which are involved in peri-prosthetic angiogenesis and aseptic loosening of total hip replacement, respectively. Both Bioglass-derived coatings provide superior initial osteoconductivity to OsteoZip, and HA/Bioglass composite coating outruns in long-term osteogenic differentiation and prognostic bioprocesses. The novel coatings discovered in this study have significant potential in providing both orthopedic and therapeutic functions.
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Affiliation(s)
- Fei Tan
- University College Dublin, Belfield, Ireland
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10
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Sabbatini M, Piffanelli V, Boccafoschi F, Gatti S, Renò F, Bosetti M, Leigheb M, Massè A, Cannas M, Mario C. Different apoptosis modalities in periprosthetic membranes. J Biomed Mater Res A 2010; 92:175-84. [PMID: 19165796 DOI: 10.1002/jbm.a.32349] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
This study reports on an investigation into apoptotic and proliferation signals in leukocyte and membrane fibroblasts in periprosthetic membranes collected during revision surgery for loosened total hip joint arthroplasty. Cementless and cemented prosthesis were studied under both aseptic and septic conditions. Fluorescence colocalization immunohistochemistry and colorimetric immunohistochemistry were used to investigate cell death signals. In aseptic cementless prosthesis macrophages and membrane fibroblasts show high bax signal, implying the occurrence of toxic/oxidative cell death caused by the debris of titanium alloy metal implant. Instead in aseptic cemented prosthesis only a moderate number of apoptotic leukocytes were observed, whilst the fibroblasts were affected by a diffuse apoptotic-like cell death, the Co-Cr ions debris released from cemented stem, may be at basis of apoptotic cell death induction. Furthermore cement debris is recognized to induce macrophages to produce cytokine, that may be responsible for the cell death observed and implant failure. The septic environment seems to protect leukocytes cell death. Septic cementless prosthesis showed only a few apoptotic leukocytes, instead fibroblasts remain affected by cell death signals. Similarly in septic cemented prosthesis, scanty apoptotic leukocytes were detected, whereas membrane fibroblasts showed an increase in proliferation index (Ki-67) along with caspase-3 activation. These findings indicate some kind of caspase-3 involvement in tissue proliferation, rather than in cell death pathway. Apoptotic periprosthetic sites have been interpreted as signs of inflammation resolution and normal tissue turnover. Nevertheless apoptosis may also be a sign of cell renewal associated to tissue proliferation.
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Affiliation(s)
- Maurizio Sabbatini
- Human Anatomy Laboratory, Research Center for Biocompatibility, Clinical and Experimental Medicine Department,University of Eastern Piedmont A Avogadro, Via Solaroli 17, 28100 Novara, Italy.
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11
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Abstract
The aseptic prosthetic loosening of hip and knee prosthesis is the most important cause of implant insufficiency. Bone loss as a result of the biological effect of wear particles is the main cause of such loosening. Wear particles develop their biological activity along different cellular pathways, above all via macrophages, foreign body giant cells as well as fibroblasts of the periprosthetic membrane. These cells induce particle-dependent bone resorption by means of proinflammatory cytokines, such as IL-1beta, TNF-alpha, IL-6 and PGE2. These factors induce the activation of osteoclasts as well as the suppression of osteoblasts. Neutrophil granulocytes and lymphocytes do not play an important role in the process of aseptic loosening. The different wear particles, such as ultra-high molecular weight polyethylene, metal particles, ceramic particles and polymethylmethacrylate can be morphologically recognized very easily. From the clinical point of view, the differentiation between acute or chronic implant infection and particle induced prosthetic loosening is very important, with the histomorphological differential diagnosis between septic and aseptic loosening and their combination being the key clinicopathological factor.
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Affiliation(s)
- M Otto
- Institut für Pathologie Trier und Referenzzentrum für Implantatpathologie/Biomaterialien.
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12
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Gopinath VK, Musa M, Samsudin AR, Lalitha P, Sosroseno W. Role of nitric oxide in hydroxyapatite-induced phagocytosis by murine macrophage cell line (RAW264.7). Arch Oral Biol 2006; 51:339-44. [PMID: 16214104 DOI: 10.1016/j.archoralbio.2005.08.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2005] [Revised: 08/22/2005] [Accepted: 08/30/2005] [Indexed: 10/25/2022]
Abstract
The aim of this study was to determine the role of nitric oxide (NO) in hydroxyapatite (HA)-induced phagocytosis by a murine macrophage cell line (RAW264.7). The cells were incubated with HA particles at various incubation time and phagocytosis was assessed using phagocytic index (PI). NO production from the culture supernatants was determined by the Griess reagent. The inducible nitric oxide synthase (iNOS) expression was determined by Western blot. The particles were also incubated with cells pretreated with various concentrations of L-N(6)-(1-iminoethyl) lysine hydrochloride (L-NIL) or L-arginine. Latex beads were used as a control. Our results showed that macrophage phagocytosis induced by HA was higher than that induced by the beads. However, NO production by HA-stimulated cells was lower than that by bead-stimulated cells. iNOS expression in both bead- and HA-stimulated cells was observed expressed at 7, 15, 30, and 60 min. l-Arginine enhanced but l-NIL inhibited both phagocytosis and NO production by HA-stimulated cells. The results of the present study suggest that nitric oxide may play a crucial role in HA-induced phagocytosis by RAW264.7 cells.
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Affiliation(s)
- V K Gopinath
- School of Dental Sciences, Universiti Sains Malaysia, 16150 Kota Bharu, Malaysia.
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13
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Landgraeber S, Toetsch M, Wedemeyer C, Saxler G, Tsokos M, von Knoch F, Neuhäuser M, Löer F, von Knoch M. Over-expression of p53/BAK in aseptic loosening after total hip replacement. Biomaterials 2006; 27:3010-20. [PMID: 16445975 DOI: 10.1016/j.biomaterials.2006.01.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2005] [Accepted: 01/06/2006] [Indexed: 11/29/2022]
Abstract
Particle-induced osteolysis is a major cause of aseptic loosening after total joint replacement. The possible induction of apoptosis has not been addressed in great detail. Thus far, it has been shown that ceramic and polyethylene particles can induce apoptosis of macrophages in vitro. The purpose of this study was to test the hypothesis that wears debris generated from total hip arthroplasty could induce cellular damage and apoptosis in vivo. We therefore determined by immunohistochemical methods if increased expression of p53, an important transcription factor, and BAK and Bcl-2, two important regulators of apoptosis, can be found in interface membranes and capsules of hips with aseptically loose implants. Strongly positive immunohistochemical staining for p53 and BAK was found in peri-implant tissues from patients with aseptic hip implant loosening. Differentiation of various cell types showed that macrophages stained positive for p53 in all capsule and interface specimens. p53 was frequently detected in giant cells. Positive staining of BAK in macrophages and giant cells was seen in all specimens. Some positive reactions were observed in fibroblasts, only two of 19 cases stained for p53 and three cases for BAK within synovial cells. Positive macrophages and giant cells were localized around polyethylene particles. While T-lymphocytes showed a regular BAK-staining, the other leukocytes were negative. Statistical analyses showed significant positive correlations (p < 0.001) between the presence of polyethylene and metal debris and the expression of BAK and p53. Polyethylene particles were surrounded by more positive macrophages and giant cells than were metal particles, indicating that polyethylene debris may be a stronger inductor of cell cycle arrest and apoptosis than metal debris. In this study apoptosis of macrophages, giant cells and T-lymphocytes in capsules and interface membranes of patients with aseptic hip implant loosening has been demonstrated in vivo. It is possible that the apoptotic cascade could evolve as a novel therapeutic target to prevent particle-induced osteolysis.
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Affiliation(s)
- Stefan Landgraeber
- Department of Orthopaedics, University of Duisburg-Essen, Pattbergstrasse 1-3, 45239 Essen, Germany.
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Kinov P, Leithner A, Radl R, Bodo K, Khoschsorur GA, Schauenstein K, Windhager R. Role of free radicals in aseptic loosening of hip arthroplasty. J Orthop Res 2006; 24:55-62. [PMID: 16419969 DOI: 10.1002/jor.20013] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Fibrous pseudocapsule around hip implants is an invariable finding at revision operations and is believed to release inflammatory mediators that stimulate bone resorption. Reactive oxygen species have been proposed to be causative factors in various disorders with tissue fibrosis. We were interested in investigating whether aseptic loosening is connected with high oxidative stress, and in showing the underlying mechanism of periprosthetic fibrosis and its role in loosening. Levels of oxidative stress markers reduced (GSH) and oxidized (GSSG) gluthatione and malondialdehyde (MDA) were assayed in 28 loose hips and in 12 stable hips revised for high rate of wear and osteolysis. Collagen in the periprosthetic tissues was measured as hydroxyproline content. Osteolysis and polyethylene wear were graded. Increased oxidative stress measured by low GSH/GSSG ratio as well as by increased MDA level was established in patients compared to controls. Oxidative stress markers intercorrelated significantly. MDA and both GSH and GSSG levels correlated significantly with hydroxyproline level. Levels of GSSG and MDA were higher in hips with greater polyethylene wear. The results suggest that high oxidative stress may play a role in formation of a fibrous membrane observed at revision of loose hips. The fibrous pseudocapsule is probably related to high intraarticular pressure and expansion of the effective joint space. This study may elicit some aspects of the pathogenesis of aseptic hip loosening and aid in future investigations aiming at prevention of this complication.
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Affiliation(s)
- Plamen Kinov
- Department of Orthopaedic Surgery, Medical University of Graz, Auenbruggerplatz 5, A-8036 Graz, Austria
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