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Insua A, Galindo-Moreno P, Miron RJ, Wang HL, Monje A. Emerging factors affecting peri-implant bone metabolism. Periodontol 2000 2024; 94:27-78. [PMID: 37904311 DOI: 10.1111/prd.12532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/05/2023] [Accepted: 09/10/2023] [Indexed: 11/01/2023]
Abstract
Implant dentistry has evolved to the point that standard implant osseointegration is predictable. This is attributed in part to the advancements in material sciences that have led toward improvements in implant surface technology and characteristics. Nonetheless, there remain several cases where implant therapy fails (specifically at early time points), most commonly attributed to factors affecting bone metabolism. Among these patients, smokers are known to have impaired bone metabolism and thus be subject to higher risks of early implant failure and/or late complications related to the stability of the peri-implant bone and mucosal tissues. Notably, however, emerging data have unveiled other critical factors affecting osseointegration, namely, those related to the metabolism of bone tissues. The aim of this review is to shed light on the effects of implant-related factors, like implant surface or titanium particle release; surgical-related factors, like osseodensification or implanted biomaterials; various drugs, like selective serotonin reuptake inhibitors, proton pump inhibitors, anti-hypertensives, nonsteroidal anti-inflammatory medication, and statins, and host-related factors, like smoking, diet, and metabolic syndrome on bone metabolism, and aseptic peri-implant bone loss. Despite the infectious nature of peri-implant biological complications, these factors must be surveyed for the effective prevention and management of peri-implantitis.
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Affiliation(s)
- Angel Insua
- Department of Periodontology and Oral Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Pablo Galindo-Moreno
- Department of Periodontology and Oral Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Department of Oral Surgery and Implant Dentistry, University of Granada, Granada, Spain
| | - Richard J Miron
- Department of Periodontology, University of Bern, Bern, Switzerland
| | - Hom-Lay Wang
- Department of Periodontology and Oral Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Alberto Monje
- Department of Periodontology and Oral Medicine, University of Michigan, Ann Arbor, Michigan, USA
- Department of Periodontology, University of Bern, Bern, Switzerland
- Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain
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Mandal M, Arora S, Krishna A, Gupta S, Wadhawan A, Kumar M. Is Posterior Femoral Neck Cortex an Obstacle in Achieving Sagittal Plane Balance of Uncemented Straight Femoral Stem? Indian J Orthop 2023; 57:1510-1518. [PMID: 37609023 PMCID: PMC10441832 DOI: 10.1007/s43465-023-00958-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 07/20/2023] [Indexed: 08/24/2023]
Abstract
Summary of Background Data There is a paucity of the literature that aims to improve sagittal plane balance of femoral stem in hip arthroplasty. We have comparatively evaluated the effect of trimming the posterior cortex left in situ after femoral neck osteotomy and counter-clockwise rotation of starting awl with respect to their ability to achieve neutral alignment of femoral stem in sagittal plane. Questions/Purposes (1) Which of the two techniques under reference is more reliable in achieving a sagittal plane balance of the femoral stem in the femoral canal? (2) Does either of the two techniques have the potential to adversely affect other parameters for the optimum placement of femoral stem? Patients and Methods This prospective study involved a total of 60 patients (age group of 18 to 60 years) who underwent primary total hip arthroplasty (THA) through a standard posterolateral approach. They were randomized into groups (1) PNCT (n = 30): femoral canal preparation was done by posterior neck cortex trimming method; (2) CCRA (n = 30): femoral canal preparation was done by counter-clockwise rotation of starting awl. Postoperatively, radiographs and computed tomography were obtained and angle of femoral stem with the femoral canal in coronal and sagittal plane, femoral stem tip deviation in coronal and sagittal plane, anteversion of the femoral stem, duration of canal preparation and blood loss were analyzed between the two groups. Results Based on our results, there is a significantly better sagittal alignment of the femoral stem within the femoral canal, both in terms of angle of the femoral stem with the femoral canal (p < 0.001) and the deviation of the femoral stem tip from the center of the medullary canal (p < 0.001) when the posterior neck cortex was trimmed. Canal preparation by trimming the posterior neck cortex took a mean of 11.93 min (range 8-15 min) against the mean duration of 6.87 min (range; 5 min to 9 min) in the other group (p < 0.001). Conclusion Trimming the posterior femoral neck cortex after neck osteotomy results in better sagittal plane balance of uncemented straight femoral stem. Level of Evidence III.
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Affiliation(s)
- Mainak Mandal
- Department of Orthopaedic Surgery, Maulana Azad Medical College and Associated Lok Nayak Hospital, New Delhi, 110002 India
| | - Sumit Arora
- Department of Orthopaedic Surgery, Maulana Azad Medical College and Associated Lok Nayak Hospital, New Delhi, 110002 India
- c/o Mr Raj Kumar Arora, B-253, Second Floor, Derawal Nagar, Delhi, 110009 India
| | - Anant Krishna
- Department of Orthopaedics, SGT Medical College Hospital and Research Institute, Gurugram, 122505 India
| | - Swati Gupta
- Department of Radiodiagnosis, Maulana Azad Medical College and Associated Lok Nayak Hospital, New Delhi, 110002 India
| | - Akhil Wadhawan
- Department of Orthopaedic Surgery, Maulana Azad Medical College and Associated Lok Nayak Hospital, New Delhi, 110002 India
| | - Manoj Kumar
- Department of Orthopaedic Surgery, Maulana Azad Medical College and Associated Lok Nayak Hospital, New Delhi, 110002 India
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Kloos J, Vander Linden K, Vermote S, Berger P, Vandenneucker H. Prevalence, interpretation, and management of unexpected positive cultures in revision TKA: a systematic review. Knee Surg Sports Traumatol Arthrosc 2022; 30:3998-4009. [PMID: 35031821 DOI: 10.1007/s00167-021-06856-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 12/21/2021] [Indexed: 10/19/2022]
Abstract
PURPOSE Unexpected positive intraoperative cultures (UPIC) found in revision total knee arthroplasty (TKA) are difficult to interpret. Management goes along with risks for both over- and undertreating a potential periprosthetic joint infection (PJI). The objective of this systematic review was to determine the prevalence of UPIC in revision TKA surgery, evaluate the diagnostic workup process and the postoperative treatment, and assess outcome regarding re-revision rates. METHODS Evidence was gathered from Medline (PubMed) and Embase published from January 2000 until April 2021. Nine studies with data of UPIC in revision TKA and outcome after at least 2 years of follow-up were identified. RESULTS The calculated prevalence of UPIC in aseptic knee revision surgery was 8.32%. However, the diagnostical approach differs as well as the used criteria to confirm PJI in presumed aseptic revision surgery. The work-up generally consists of a serum C-reactive protein and Erythrocyte Sedimentation Rate, joint fluid aspiration for culture and white blood cell count and formula, and radiographic imaging. Collection of intraoperative cultures is widely used, but inconsistent in sample amount and incubation time. Once a single UPIC is found, surgeons tend to treat it in different ways. Regarding re-revision rates, the weighted arithmetic mean in the included studies was 18.45% in the unsuspected PJI group compared to 2.94% in the aseptic group. There also seems to be a trend towards higher re-revision rates when a higher number of intraoperative cultures are positive. CONCLUSION The interpretation of UPIC in revision TKA is of utmost importance since the decision whether to treat a UPIC as an unsuspected PJI has a major impact on implant survival and re-revision rate. Different criteria are used to differentiate between unsuspected PJI and contamination in true aseptic failure, and the heterogeneity amongst the included papers impedes to state a clear recommendation, integrating not only quantitative findings, but also qualitative data such as virulence of the identified microorganism. LEVEL OF EVIDENCE Systematic review, III.
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Affiliation(s)
- Johannes Kloos
- Department of Orthopaedic Surgery, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium.
| | - Koen Vander Linden
- Department of Orthopaedic Surgery, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Stijn Vermote
- Department of Orthopaedic Surgery, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Pieter Berger
- Department of Orthopaedic Surgery, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium
| | - Hilde Vandenneucker
- Department of Orthopaedic Surgery, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium
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Mjöberg B. Hip prosthetic loosening and periprosthetic osteolysis: A commentary. World J Orthop 2022; 13:574-577. [PMID: 35949708 PMCID: PMC9244959 DOI: 10.5312/wjo.v13.i6.574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 06/02/2022] [Accepted: 06/14/2022] [Indexed: 02/06/2023] Open
Abstract
Prosthetic loosening and periprosthetic osteolysis have been debated for decades, both in terms of the timing and nature of the triggering events. The hypothesis of wear-particle-induced loosening states that wear particles cause a foreign-body response leading to periprosthetic osteolysis and ultimately to late prosthetic loosening, i.e., that the osteolysis precedes the loosening. The theory of early loosening, on the other hand, postulates that the loosening is already initiated during or shortly after surgery, i.e., that the osteolysis is secondary to the loosening. This commentary focuses on the causal relationship between prosthetic loosening and periprosthetic osteolysis.
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Affiliation(s)
- Bengt Mjöberg
- Department of Orthopedics, Lund University, Lund SE-221 00, Sweden
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Diez-Escudero A, Andersson B, Carlsson E, Recker B, Link H, Järhult JD, Hailer NP. 3D-printed porous Ti6Al4V alloys with silver coating combine osteocompatibility and antimicrobial properties. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 133:112629. [DOI: 10.1016/j.msec.2021.112629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 12/02/2021] [Accepted: 12/19/2021] [Indexed: 12/23/2022]
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Siverino C, Freitag L, Arens D, Styger U, Richards RG, Moriarty TF, Stadelmann VA, Thompson K. Titanium Wear Particles Exacerbate S. epidermidis-Induced Implant-Related Osteolysis and Decrease Efficacy of Antibiotic Therapy. Microorganisms 2021; 9:microorganisms9091945. [PMID: 34576840 PMCID: PMC8468325 DOI: 10.3390/microorganisms9091945] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 09/04/2021] [Accepted: 09/08/2021] [Indexed: 12/28/2022] Open
Abstract
Total joint arthroplasty (TJA) surgeries are common orthopedic procedures, but bacterial infection remains a concern. The aim of this study was to assess interactions between wear particles (WPs) and immune cells in vitro and to investigate if WPs affect the severity, or response to antibiotic therapy, of a Staphylococcus epidermidis orthopedic device-related infection (ODRI) in a rodent model. Biofilms grown on WPs were challenged with rifampin and cefazolin (100 µg/mL) to determine antibiotic efficacy. Neutrophils or peripheral blood mononuclear cells (PBMCs) were incubated with or without S. epidermidis and WPs, and myeloperoxidase (MPO) and cytokine release were analyzed, respectively. In the ODRI rodent model, rats (n = 36) had a sterile or S. epidermidis-inoculated screw implanted in the presence or absence of WPs, and a subgroup was treated with antibiotics. Bone changes were monitored using microCT scanning. The presence of WPs decreased antibiotic efficacy against biofilm-resident bacteria and promoted MPO and pro-inflammatory cytokine production in vitro. WPs exacerbated osteolytic responses to S. epidermidis infection and markedly reduced antibiotic efficacy in vivo. Overall, this work shows that the presence of titanium WPs reduces antibiotic efficacy in vitro and in vivo, induces proinflammatory cytokine release, and exacerbates S. epidermidis-induced osteolysis.
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Affiliation(s)
- Claudia Siverino
- AO Research Institute Davos, 7270 Davos-Platz, Switzerland; (C.S.); (L.F.); (D.A.); (U.S.); (R.G.R.); (T.F.M.); (V.A.S.)
| | - Linda Freitag
- AO Research Institute Davos, 7270 Davos-Platz, Switzerland; (C.S.); (L.F.); (D.A.); (U.S.); (R.G.R.); (T.F.M.); (V.A.S.)
| | - Daniel Arens
- AO Research Institute Davos, 7270 Davos-Platz, Switzerland; (C.S.); (L.F.); (D.A.); (U.S.); (R.G.R.); (T.F.M.); (V.A.S.)
| | - Ursula Styger
- AO Research Institute Davos, 7270 Davos-Platz, Switzerland; (C.S.); (L.F.); (D.A.); (U.S.); (R.G.R.); (T.F.M.); (V.A.S.)
| | - R. Geoff Richards
- AO Research Institute Davos, 7270 Davos-Platz, Switzerland; (C.S.); (L.F.); (D.A.); (U.S.); (R.G.R.); (T.F.M.); (V.A.S.)
| | - T. Fintan Moriarty
- AO Research Institute Davos, 7270 Davos-Platz, Switzerland; (C.S.); (L.F.); (D.A.); (U.S.); (R.G.R.); (T.F.M.); (V.A.S.)
| | - Vincent A. Stadelmann
- AO Research Institute Davos, 7270 Davos-Platz, Switzerland; (C.S.); (L.F.); (D.A.); (U.S.); (R.G.R.); (T.F.M.); (V.A.S.)
- Department of Teaching, Research and Development, Schulthess Clinic, 8008 Zürich, Switzerland
| | - Keith Thompson
- AO Research Institute Davos, 7270 Davos-Platz, Switzerland; (C.S.); (L.F.); (D.A.); (U.S.); (R.G.R.); (T.F.M.); (V.A.S.)
- Correspondence: ; Tel.: +41-81-414-2325
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Zhang YC, Xiao JH, Deng SJ, Yi GL. IRAK-4 in macrophages contributes to inflammatory osteolysis of wear particles around loosened hip implants. Innate Immun 2021; 27:470-482. [PMID: 34139893 PMCID: PMC8504263 DOI: 10.1177/17534259211018740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
TLRs recognizing PAMPS play a role in local immunity and participate in implant-associated loosening. TLR-mediated signaling is primarily regulated by IL-1 receptor associated kinase-M (IRAK-M) negatively and IRAK-4 positively. Our previous studies have proved that wear particles promote endotoxin tolerance in macrophages by inducing IRAK-M. However, whether IRAK-4 is involved in inflammatory osteolysis of wear particles basically, and the specific mechanism of IRAK-4 around loosened hip implants, is still unclear. IRAK-4 was studied in the interface membranes from patients in vivo and in particle-stimulated macrophages to clarify its role. Also, IL-1β and TNF-α levels were measured after particle and LPS stimulation in macrophages with or without IRAK-4 silenced by siRNA. Our results showed that the interface membranes around aseptic and septic loosened prosthesis expressed more IRAK-4 compared with membranes from osteoarthritic patients. IRAK-4 in macrophages increased upon particle and LPS stimulation. In the former, IL-1β and TNF-α levels were lower compared with those of LPS stimulation, and IRAK-4 siRNA could suppress production of pro-inflammatory cytokines. These findings suggest that besides IRAK-M, IRAK-4 also plays an important role in the local inflammatory reaction and contributes to prosthesis loosening.
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Affiliation(s)
- Yang-chun Zhang
- Department of Orthopedics, People’s Hospital of Shenzhen Baoan District, China
- Department of Orthopedics, The First Affiliated Hospital of University of South China, China
| | - Jian-hong Xiao
- Department of Hematology, Huazhong University of Science and Technology Union Shenzhen Hospital, China
| | - Shao-jie Deng
- Department of Orthopedics, People’s Hospital of Shenzhen Baoan District, China
| | - Guo-liang Yi
- Department of Orthopedics, The First Affiliated Hospital of University of South China, China
- Guo-liang Yi, Department of Orthopedics, The First Affiliated Hospital of University of South China, Hengyang, China.
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8
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Chen Y, Lu J, Li S, Zhang C, Yang Q, Hu B, Zhou C, Hong J, Jiang G, Yan S. Carnosol attenuates RANKL-induced osteoclastogenesis in vitro and LPS-induced bone loss. Int Immunopharmacol 2020; 89:106978. [PMID: 33039968 DOI: 10.1016/j.intimp.2020.106978] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 09/01/2020] [Accepted: 09/03/2020] [Indexed: 02/02/2023]
Abstract
Osteolysis is characterized by the imbalance of bone remodeling triggered by excessive activation of osteoclasts, which ultimately leads to pathological bone destruction. Diseases caused by overactive osteoclasts, such as osteolysis around the prosthesis, periodontitis and osteoporosis, are clinically common but lack effective treatment. Therefore, exploring regimens that could specifically impair the formation and function of osteoclasts has become a breakthrough in the treatment of these diseases. Carnosol is a natural phenolic diterpene with anti-inflammatory, antibacterial, anti-tumor and antioxidant properties. In this study, we found that carnosol can impede RANKL-induced osteoclastogenesis via modulating the activation of NF-κb and JNK signaling pathways in vitro. Additionally, we confirmed that carnosol could alleviate bone loss in amurine model of LPS-induced inflammatory bone erosion in vivo. Thence, these findings demonstrate that carnosol may be a potentially effective regent for the treatment of osteoclast-related disorders.
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Affiliation(s)
- Yazhou Chen
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China; Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China
| | - Jinwei Lu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China; Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China
| | - Sihao Li
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China; Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China
| | - Caihua Zhang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China; Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China
| | - Quanming Yang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China; Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China
| | - Bin Hu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China; Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China
| | - Chenhe Zhou
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China; Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China
| | - Jianqiao Hong
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China; Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China
| | - Guangyao Jiang
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China; Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China
| | - Shigui Yan
- Department of Orthopedic Surgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China; Orthopedics Research Institute of Zhejiang University, No. 88, Jiefang Road, Hangzhou 310009, China.
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9
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Overmann AL, Aparicio C, Richards JT, Mutreja I, Fischer NG, Wade SM, Potter BK, Davis TA, Bechtold JE, Forsberg JA, Dey D. Orthopaedic osseointegration: Implantology and future directions. J Orthop Res 2020; 38:1445-1454. [PMID: 31876306 DOI: 10.1002/jor.24576] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 12/04/2019] [Indexed: 02/04/2023]
Abstract
Osseointegration (OI) is the direct anchorage of a metal implant into bone, allowing for the connection of an external prosthesis to the skeleton. Osseointegration was first discovered in the 1960s based on the microscopic analysis of titanium implant placed into host bone. New bone was observed to attach directly to the metal surface. Following clinical investigations into dentistry applications, OI was adapted to treat extremity amputations. These bone anchored implants, which penetrate the skin and soft tissues, eliminate many of the challenges of conventional prosthetic sockets, such as poor fit and suspension, skin breakdown, and pain. Osseointegrated implants show promise to improve prosthesis use, pain, and function for amputees. The successful process of transcutaneous metal integration into host bone requires three synergistic systems: the host bone, the metal implant, and the skin-implant interface. All three systems must be optimized for successful incorporation and longevity of the implant. Osseointegration begins during surgical implantation of the metal components through a complex interplay of cellular mechanisms. While implants can vary in design-including the original screw, press fit implants, and compressive osseointegration-they face common challenges to successful integration and maintenance of fixation within the host bone. Overcoming these challenges requires the understanding of the complex interactions between each element of OI. This review outlines (a) the basic components of OI, (b) the science behind both the bone-implant and the skin-implant interfaces, (c) the current challenges of OI, and (d) future opportunities within the field.
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Affiliation(s)
- Archie L Overmann
- Orthopaedics, USU-Walter Reed Department of Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland.,USU-Walter Reed Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Conrado Aparicio
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics and Department of Restorative Sciences, University of Minnesota, Minneapolis, Minnesota
| | - John T Richards
- Orthopaedics, USU-Walter Reed Department of Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland.,USU-Walter Reed Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Isha Mutreja
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics and Department of Restorative Sciences, University of Minnesota, Minneapolis, Minnesota
| | - Nicholas G Fischer
- MDRCBB-Minnesota Dental Research Center for Biomaterials and Biomechanics and Department of Restorative Sciences, University of Minnesota, Minneapolis, Minnesota
| | - Sean M Wade
- Orthopaedics, USU-Walter Reed Department of Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland.,USU-Walter Reed Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Benjamin K Potter
- Orthopaedics, USU-Walter Reed Department of Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland.,USU-Walter Reed Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Thomas A Davis
- USU-Walter Reed Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Joan E Bechtold
- Department of Orthopaedic Surgery, University of Minnesota, Minneapolis, Minnesota.,Department of Biomedical Engineering, University of Minnesota, Minneapolis, Minnesota.,Hennepin Healthcare Research Institute, Minneapolis, Minnesota
| | - Jonathan A Forsberg
- Orthopaedics, USU-Walter Reed Department of Surgery, Walter Reed National Military Medical Center, Bethesda, Maryland.,USU-Walter Reed Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Devaveena Dey
- USU-Walter Reed Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc, Bethesda, Maryland
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10
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Tumor necrosis factor primes and metal particles activate the NLRP3 inflammasome in human primary macrophages. Acta Biomater 2020; 108:347-357. [PMID: 32194260 DOI: 10.1016/j.actbio.2020.03.017] [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: 10/02/2019] [Revised: 03/06/2020] [Accepted: 03/11/2020] [Indexed: 12/14/2022]
Abstract
Aseptic loosening of total joint replacements is driven by a macrophage-mediated inflammatory reaction to implant-derived wear particles. Phagocytosis of implant debris has been suggested to activate the NLRP3 inflammasome leading to secretion of interleukin (IL)-1β. However, factors and molecular mechanisms driving the particle-induced inflammasome activation are yet to be fully elucidated. In this study, we investigated the inflammasome response of human primary macrophages to titanium, chromium, and molybdenum particles in vitro. We observed that particles alone were not sufficient to induce IL-1β secretion, but an additional priming signal-such as bacterial lipopolysaccharide (LPS)-was required to license the inflammasome activation. By using specific inhibitors against the inflammasome signaling pathway, we demonstrate that the particle-induced IL-1β secretion depended upon activation of the NLRP3 inflammasome. We further hypothesized that tumor necrosis factor (TNF) could substitute for LPS as a priming signal, and found that particle stimulation together with preceding TNF treatment resulted in inflammasome-dependent IL-1β production as well. Our results show that the NLRP3 inflammasome mediates wear particle responses in human primary macrophages, and its activation does not necessarily require the presence of bacterial components, but can be induced under aseptic conditions by TNF priming. STATEMENT OF SIGNIFICANCE: This study was conducted to elucidate the molecular mechanisms of metal particle-induced IL-1β secretion in human primary macrophages. Production of this pro-inflammatory mediator from wear particle-activated macrophages has been associated with increased bone loss around total joint replacements-a condition eventually requiring revision surgery. Our results confirm that together with a co-stimulatory priming signal, particles of common implant metals elicit macrophage-mediated IL-1β secretion through activation of the NLRP3 inflammasome pathway. We also present a concept of TNF priming in this context, demonstrating that the particle-related IL-1β secretion can take place in a truly sterile environment. Thus, inhibition of inflammasome signaling appears a means to prevent wear particle-induced inflammation and development of peri‑prosthetic osteolysis.
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11
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Goodman SB, Gallo J, Gibon E, Takagi M. Diagnosis and management of implant debris-associated inflammation. Expert Rev Med Devices 2020; 17:41-56. [PMID: 31810395 PMCID: PMC7254884 DOI: 10.1080/17434440.2020.1702024] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2019] [Accepted: 12/04/2019] [Indexed: 02/07/2023]
Abstract
Introduction: Total joint replacement is one of the most common, safe, and efficacious operations in all of surgery. However, one major long-standing and unresolved issue is the adverse biological reaction to byproducts of wear from the bearing surfaces and modular articulations. These inflammatory reactions are mediated by the innate and adaptive immune systems.Areas covered: We review the etiology and pathophysiology of implant debris-associated inflammation, the clinical presentation and detailed work-up of these cases, and the principles and outcomes of non-operative and operative management. Furthermore, we suggest future strategies for prevention and novel treatments of implant-related adverse biological reactions.Expert opinion: The generation of byproducts from joint replacements is inevitable, due to repetitive loading of the implants. A clear understanding of the relevant biological principles, clinical presentations, investigative measures and treatments for implant-associated inflammatory reactions and periprosthetic osteolysis will help identify and treat patients with this issue earlier and more effectively. Although progressive implant-associated osteolysis is currently a condition that is treated surgically, with further research, it is hoped that non-operative biological interventions could prolong the lifetime of joint replacements that are otherwise functional and still salvageable.
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Affiliation(s)
- Stuart B. Goodman
- Department of Orthopaedic Surgery, Stanford University, Redwood City, CA, USA
- Department of Bioengineering, Stanford University, Stanford, CA, USA
| | - Jiri Gallo
- Department of Orthopaedics, Palacký University Olomouc, Olomouc, Czech Republic
| | - Emmanuel Gibon
- Department of Orthopaedic Surgery, University of Florida, Gainesville, FL, USA
| | - Michiaki Takagi
- Department of Orthopaedic Surgery, Yamagata University, Yamagata, Japan
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Surface Properties of Retrieved Cementless Femoral Hip Endoprostheses Produced from a Ti6Al7Nb Alloy. COATINGS 2019. [DOI: 10.3390/coatings9120868] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
We have investigated new and retrieved cementless hip endoprostheses that prematurely failed due to (i) aseptic loosening, (ii) infection and (iii) latent infection. The aim was to better understand the physico-chemical phenomena on the surfaces and sub-surfaces of the Ti6Al7Nb alloy implant. The results of our studies should enable us to distinguish the causes of premature failure, optimize the surface modification, achieve optimal osseointegration and extend the useful lifetime of the implants. The surface properties of the Ti6Al7Nb alloys of the hip-stem endoprostheses (30 retrieved and 2 new) were determined by contact-angle measurements and the average surface roughness. The surface chemistry and microstructure were analysed by scanning electron microscopy (SEM) for morphology, energy-dispersive X-ray spectroscopy (EDS) for the chemistry, and electron back-scatter diffraction (EBSD) for the phase analysis; Auger electron spectroscopy (AES) and X-ray photoelectron spectroscopy (XPS) for the surface chemistry; and electrochemical measurements for the corrosion. The improved wettability of the grit-blasted surface of the Ti6Al7Nb stems after autoclaving was measured, as was the super wettability after oxygen-plasma sterilization. The secondary-electron images showed that the morphology and microstructure of the new and retrieved stems (prematurely failed due to aseptic loosening, infection and latent infection) differ slightly, while the EDS analysis revealed corundum contamination of the grit-blasted surface. We found corundum-contaminated Ti6Al7Nb stem surfaces and sub-surfaces for all the investigated new and retrieved implants. These residues are a potential problem, i.e., third-body wear particles, and probably induce the osteolysis and aseptic loosening.
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13
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Khalid V, Schønheyder HC, Nielsen PT, Kappel A, Thomsen TR, Aleksyniene R, Lorenzen J, Rasmussen S. 72 revision surgeries for aseptic failure after hip or knee arthroplasty: a prospective study with an extended diagnostic algorithm. BMC Musculoskelet Disord 2019; 20:600. [PMID: 31830947 PMCID: PMC6909479 DOI: 10.1186/s12891-019-2944-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 11/13/2019] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Unrecognized periprosthetic joint infections are a concern in revision surgery for aseptic failure (AF) after total hip (THA) or knee (TKA) arthroplasties. A gold diagnostic standard does not exist. The aim of the current study was to determine the prevalence of unrecognized periprosthetic joint infection (PJI) in a cohort of revision for AF, using an experimental diagnostic algorithm. METHODS The surgeons' suspicion of AF was based primarily on patient history and clinical evaluation. X-ray imaging was used to reveal mechanical problems. To rule out an infectious aetiology standard blood biochemical tests were ordered in most patients. Evaluation followed the existing practice in the institute. Cases were included if revision surgery was planned for suspected AF. Intraoperatively, five synovial tissue biopsies were obtained routinely. PJI was defined as ≥3 positive cultures with the same microorganism(s). Patients were followed for 1 year postoperatively. Protocol samples included joint fluid, additional synovial tissue biopsies, bone biopsy, swabs from the implant surface, and sonication of retrieved components. Routine and protocol samples were cultured with extended incubation (14 days) and preserved for batchwise 16S rRNA gene amplification. Patients were stratified based on culture results and a clinical status was obtained at study end. RESULTS A total of 72 revisions were performed on 71 patients (35 THA and 37 TKA). We found five of 72 cases of unrecognized PJI. Extended culture and protocol samples accounted for two of these. One patient diagnosed with AF was treated for a PJI during follow-up. The remaining patients did not change status from AF during follow-up. CONCLUSIONS We found a low prevalence of unrecognized periprosthetic joint infections in patients with an AF diagnosis. The algorithm strengthens the surgeons' preoperative diagnosis of a non-infective condition. Evaluation for a failing TKA or THA is complex. Distinguishing between AF and PJI pre-operatively was a clinical decision. Our data did not support additional testing in routine revision surgery for AF.
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Affiliation(s)
- Vesal Khalid
- Orthopaedic Research Unit, Aalborg University Hospital, Aalborg, Denmark. .,Department of Orthopaedic Surgery, Aalborg University Hospital, Aalborg, Denmark. .,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.
| | - Henrik Carl Schønheyder
- Department of Clinical Medicine, Aalborg University, Aalborg, Denmark.,Department of Clinical Microbiology, Aalborg University Hospital, Aalborg, Denmark
| | - Poul Torben Nielsen
- Orthopaedic Research Unit, Aalborg University Hospital, Aalborg, Denmark.,Department of Orthopaedic Surgery, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Andreas Kappel
- Orthopaedic Research Unit, Aalborg University Hospital, Aalborg, Denmark.,Department of Orthopaedic Surgery, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Trine Rolighed Thomsen
- Center for Microbial Communities, Department of Biotechnology, Chemistry and Environmental Engineering, Aalborg University, Aalborg, Denmark.,Danish Technological Institute, Medical Biotechnology, Aarhus, Denmark
| | - Ramune Aleksyniene
- Department of Nuclear Medicine, Aalborg University Hospital, Aalborg, Denmark
| | - Jan Lorenzen
- Danish Technological Institute, Medical Biotechnology, Aarhus, Denmark
| | - Sten Rasmussen
- Orthopaedic Research Unit, Aalborg University Hospital, Aalborg, Denmark.,Department of Orthopaedic Surgery, Aalborg University Hospital, Aalborg, Denmark.,Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
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14
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Periprosthetic Osteolysis: Mechanisms, Prevention and Treatment. J Clin Med 2019; 8:jcm8122091. [PMID: 31805704 PMCID: PMC6947309 DOI: 10.3390/jcm8122091] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 11/28/2019] [Accepted: 11/29/2019] [Indexed: 02/06/2023] Open
Abstract
Clinical studies, as well as in vitro and in vivo experiments have demonstrated that byproducts from joint replacements induce an inflammatory reaction that can result in periprosthetic osteolysis (PPOL) and aseptic loosening (AL). Particle-stimulated macrophages and other cells release cytokines, chemokines, and other pro-inflammatory substances that perpetuate chronic inflammation, induce osteoclastic bone resorption and suppress bone formation. Differentiation, maturation, activation, and survival of osteoclasts at the bone-implant interface are under the control of the receptor activator of nuclear factor kappa-Β ligand (RANKL)-dependent pathways, and the transcription factors like nuclear factor κB (NF-κB) and activator protein-1 (AP-1). Mechanical factors such as prosthetic micromotion and oscillations in fluid pressures also contribute to PPOL. The treatment for progressive PPOL is only surgical. In order to mitigate ongoing loss of host bone, a number of non-operative approaches have been proposed. However, except for the use of bisphosphonates in selected cases, none are evidence based. To date, the most successful and effective approach to preventing PPOL is usage of wear-resistant bearing couples in combination with advanced implant designs, reducing the load of metallic and polymer particles. These innovations have significantly decreased the revision rate due to AL and PPOL in the last decade.
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15
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Wang L, Shang X, Hao Y, Wan G, Dong L, Huang D, Yang X, Sun J, Wang Q, Zha G, Yang X. Bi-functional titanium-polydopamine-zinc coatings for infection inhibition and enhanced osseointegration. RSC Adv 2019; 9:2892-2905. [PMID: 35518964 PMCID: PMC9059936 DOI: 10.1039/c8ra09112a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 01/09/2019] [Indexed: 01/12/2023] Open
Abstract
The ideal orthopedic implant coating is expected to both inhibit microbial infection and promote osseointegration. In this study, Zn ions were immobilized on a Ti substrate via a polydopamine (PDA) chemical surface modification to prepare Ti-PDA-Zn coatings. Scanning electron microscopy (SEM), atomic force microscopy (AFM), energy-dispersive X-ray spectroscope (EDS), X-ray photoelectron spectroscopy (XPS), contact analysis system, and inductively coupled plasma atomic emission spectrometry (ICP-AES) were used to analyze the morphology, composition, wettability, and zinc ions release of the coatings. The Ti-PDA-Zn coatings demonstrated excellent antibacterial activities in vitro against both Staphylococcus aureus and Escherichia coli. The coatings additionally displayed good biocompatibility, as confirmed by cytoskeletal observations and cell viability assays. Furthermore, the in vivo results confirmed the excellent antibacterial properties and improved osseointegration capability of the Ti-PDA-Zn coating in the presence of S. aureus. The present findings indicate that the Ti-PDA-Zn coatings prepared herein have potential application in orthopedic implantation. The ideal orthopedic implant coating is expected to both inhibit microbial infection and promote osseointegration.![]()
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16
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Silver FH, Shah RG, Benedetto D, Dulur A, Kirn T. Virtual Biopsy and Physical Characterization of Tissues, Biofilms, Implants and Viscoelastic Liquids Using Vibrational Optical Coherence Tomography. ACTA ACUST UNITED AC 2019. [DOI: 10.4236/wjm.2019.91001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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17
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Lopes LKO, Costa DM, Tipple AFV, Watanabe E, Castillo RB, Hu H, Deva AK, Vickery K. Complex design of surgical instruments as barrier for cleaning effectiveness, favouring biofilm formation. J Hosp Infect 2018; 103:e53-e60. [PMID: 30423413 DOI: 10.1016/j.jhin.2018.11.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 11/02/2018] [Indexed: 01/26/2023]
Abstract
BACKGROUND Inadequately reprocessed reusable surgical instruments (RSIs) may harbour infectious agents which may then be transferred to a suitable site for replication. AIM To determine the cumulative effect of 20 cycles of contamination, cleaning (manual or manual followed by automated) and steam sterilization on high-complex-design RSIs used for orthopaedic surgery. METHODS New flexible medullary reamers and depth gauges were contaminated by soaking in tryptone soya broth, containing 5% sheep blood and 109 cfu/mL of Staphylococcus aureus (ATCC 25923), for 5 min. To mimic a worse-case scenario, RSIs were dried 7 h and subjected to either (a) rinsing in distilled water, (b) manual cleaning or (c) manual plus automated cleaning (reference standard), and steam sterilization. The contamination, cleaning, and sterilization cycle was repeated 20 times. Adenosine triphosphate (ATP) was measured after cleaning procedures; microbial load and residual protein were measured following the 10th and 20th reprocessing, in triplicate. Scanning electron microscopy (SEM) was used to confirm soil and biofilm presence on the RSIs after the 20th reprocessing. FINDINGS Manual and manual plus automated cleaning significantly reduced the amount of ATP and protein residues for all RSIs. Viable bacteria were not detected following sterilization. However, SEM detected soil after automated cleaning, and soil, including biofilms, after manual cleaning. CONCLUSION Soil and/or biofilms were evident on complex-design RSIs following 20 cycles of contamination and reprocessing, even using the reference standard method of cleaning. Although the depth gauges could be disassembled, biological residues and biofilm accumulated in its lumen. The current design of these RSIs prevents removal of all biological soil and this may have an adverse effect on patient outcome.
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Affiliation(s)
- L K O Lopes
- Faculty of Nursing, Federal University of Goiás, Goiânia, Brazil; Surgical Infection Research Group, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia
| | - D M Costa
- Faculty of Nursing, Federal University of Goiás, Goiânia, Brazil; Surgical Infection Research Group, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia
| | - A F V Tipple
- Faculty of Nursing, Federal University of Goiás, Goiânia, Brazil
| | - E Watanabe
- School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - R B Castillo
- Macquarie University Hospital, Macquarie University, Sydney, Australia
| | - H Hu
- Surgical Infection Research Group, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia
| | - A K Deva
- Surgical Infection Research Group, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia
| | - K Vickery
- Surgical Infection Research Group, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia.
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18
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Ferko MA, Catelas I. Effects of metal ions on caspase-1 activation and interleukin-1β release in murine bone marrow-derived macrophages. PLoS One 2018; 13:e0199936. [PMID: 30138321 PMCID: PMC6107125 DOI: 10.1371/journal.pone.0199936] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/15/2018] [Indexed: 02/07/2023] Open
Abstract
Ions released from metal implants have been associated with adverse tissue reactions and are therefore a major concern. Studies with macrophages have shown that cobalt, chromium, and nickel ions can activate the NLRP3 inflammasome, a multiprotein complex responsible for the activation of caspase-1 (a proteolytic enzyme converting pro-interleukin [IL]-1β to mature IL-1β). However, the mechanism(s) of inflammasome activation by metal ions remain largely unknown. The objectives of the present study were to determine if, in macrophages: 1. caspase-1 activation and IL-1β release induced by metal ions are oxidative stress-dependent; and 2. IL-1β release induced by metal ions is NF-κB signaling pathway-dependent. Lipopolysaccharide (LPS)-primed murine bone marrow-derived macrophages (BMDM) were exposed to Co2+ (6-48 ppm), Cr3+ (100-500 ppm), or Ni2+ (12-96 ppm), in the presence or absence of a caspase-1 inhibitor (Z-WEHD-FMK), an antioxidant (L-ascorbic acid [L-AA]), or an NF-κB inhibitor (JSH-23). Culture supernatants were analyzed for caspase-1 by western blotting and/or IL-1β release by ELISA. Immunoblotting revealed the presence of caspase-1 (p20 subunit) in supernatants of BMDM incubated with Cr3+, but not with Ni2+ or Co2+. When L-AA (2 mM) was present with Cr3+, the caspase-1 p20 subunit was undetectable and IL-1β release decreased down to the level of the negative control, thereby demonstrating that caspase-1 activation and IL-1β release induced by Cr3+ was oxidative stress-dependent. ELISA demonstrated that Cr3+ induced the highest release of IL-1β, while Co2+ had no or limited effects. In the presence of Ni2+, the addition of L-AA (2 mM) also decreased IL-1β release, below the level of the negative control, suggesting that IL-1β release induced by Ni2+ was also oxidative stress-dependent. Finally, when present during both priming with LPS and activation with Cr3+, JSH-23 blocked IL-1β release, demonstrating NF-κB involvement. Overall, this study showed that while both Cr3+ and Ni2+ may be inducing inflammasome activation, Cr3+ is likely a more potent activator, acting through oxidative stress and the NF-κB signaling pathway.
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Affiliation(s)
| | - Isabelle Catelas
- Department of Mechanical Engineering, University of Ottawa, Ottawa, Ontario, Canada
- Department of Surgery, University of Ottawa, Ottawa, Ontario, Canada
- Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, Ontario, Canada
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19
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Lin T, Kohno Y, Huang JF, Romero-Lopez M, Pajarinen J, Maruyama M, Nathan K, Yao Z, Goodman SB. NFκB sensing IL-4 secreting mesenchymal stem cells mitigate the proinflammatory response of macrophages exposed to polyethylene wear particles. J Biomed Mater Res A 2018; 106:2744-2752. [PMID: 30084534 DOI: 10.1002/jbm.a.36504] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 06/28/2018] [Accepted: 07/02/2018] [Indexed: 12/16/2022]
Abstract
Total joint replacement is a highly effective treatment for patients with end-stage arthritis. Proinflammatory macrophages (M1) mediate wear particle-associated inflammation and bone loss. Anti-inflammatory macrophages (M2) help resolve tissue damage and favor bone regeneration. Mesenchymal stem cell (MSC)-based therapy mitigates the M1 dominated inflammatory reaction and favorably modulates the bone remodeling process. In the current study, the immunomodulating ability of (1) unmodified MSCs, (2) MSCs preconditioned by NFκB stimulating ligands [lipopolysaccharide (LPS) plus TNFα], and (3) genetically modified MSCs that secrete IL-4 as a response to NFκB activation (NFκB-IL4) was compared in a macrophage/MSC co-culture system. Sterile or LPS-contaminated ultra-high molecular weight polyethylene particles were used to induce the proinflammatory responses in the macrophages. Contaminated particles induced M1 marker expression (TNFα, IL1β, and iNOS), while NFκB-IL4 MSCs modulated the macrophages from an M1 phenotype into a more favorable M2 phenotype (Arginase 1/Arg 1 and CD206 high). The IL4 secretion by NFκB-IL4 MSCs was significantly induced by the contaminated particles. The induction of Arg 1 and CD206 in macrophages via the preconditioned or naïve MSCs was negligible when compared with NFκB-IL4 MSC. Our findings indicated that NFκB-IL4 MSCs have the "on-demand" immunomodulatory ability to mitigate wear particle-associated inflammation with minimal adverse effects. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A: 2744-2752, 2018.
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Affiliation(s)
- Tzuhua Lin
- Department of Orthopaedic Surgery, Stanford University, Stanford, California
| | - Yusuke Kohno
- Department of Orthopaedic Surgery, Stanford University, Stanford, California
| | - Jhih-Fong Huang
- Department of Orthopaedic Surgery, Stanford University, Stanford, California.,Deparment of Orthopedics, General orthopedics, National Taiwan University Hospital Hsinchu Branch, Taiwan
| | - Monica Romero-Lopez
- Department of Orthopaedic Surgery, Stanford University, Stanford, California
| | - Jukka Pajarinen
- Department of Orthopaedic Surgery, Stanford University, Stanford, California
| | - Masahiro Maruyama
- Department of Orthopaedic Surgery, Stanford University, Stanford, California
| | - Karthik Nathan
- Department of Orthopaedic Surgery, Stanford University, Stanford, California
| | - Zhenyu Yao
- Department of Orthopaedic Surgery, Stanford University, Stanford, California
| | - Stuart B Goodman
- Department of Orthopaedic Surgery, Stanford University, Stanford, California.,Department of Bioengineering, Stanford University, Stanford, California
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20
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Sánchez-Pérez A, Cano-Tovar AB, Martín-de-Llano JJ, Sarobe-Oyarzun FJ, Davis S, Carda-Batalla C. Effect of Rotary Instrument Mineral Oil Lubricant on Osseointegration: A Randomized, Blinded Study in Rabbits. J ORAL IMPLANTOL 2018; 45:12-17. [PMID: 30036145 DOI: 10.1563/aaid-joi-d-18-00080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The mechanisms of early failures in dental implant osseointegration are unclear. A possible cause of low levels of bone formation is lubricant contamination on implants during insertion. To explore the impact of lubricant contamination on dental implants, we used 5 New Zealand rabbits and inserted 2 implants per tibia in each animal for a total of 4 implants per animal (20 implants in total). In general, bicorticalization was achieved. The first implant was placed as suggested by the manufacturer with no lubricant used (control). The second implant was placed using a freshly lubricated contra-angle handpiece, which was used only for the test implants. Implant allocation was randomized, and the examining histologist was blinded to the results. All implants were placed by the same surgeon. The animals were maintained in accordance with animal experimentation guidelines. None of the implants failed to osseointegrate. Moreover, no significant difference was observed between the test and control groups. Based on the results of this study, the use of rotary instrument mineral oil lubricant did not jeopardize the osseointegration of dental implants in New Zealand rabbits.
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Affiliation(s)
- Arturo Sánchez-Pérez
- 1 Periodontics Unit, Faculty of Medicine and Dentistry, University of Murcia, Spain
| | | | | | | | - Scott Davis
- 5 Port Macquarie and Coffs Harbour, NSW Australia
| | - Carmen Carda-Batalla
- 3 Departamento de Patología, Facultad de Medicina y Odontología, Universitat de València; INCLIVA, Spain
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21
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Artemether attenuates LPS-induced inflammatory bone loss by inhibiting osteoclastogenesis and bone resorption via suppression of MAPK signaling pathway. Cell Death Dis 2018; 9:498. [PMID: 29703893 PMCID: PMC5924411 DOI: 10.1038/s41419-018-0540-y] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Revised: 03/02/2018] [Accepted: 03/27/2018] [Indexed: 01/09/2023]
Abstract
Osteolysis is an osteolytic lesion featured by enhanced osteoclast formation and potent bone erosion. Lacking of effective regimen for treatment of the pathological process highlights the importance of identifying agents that can suppress the differentiation and function of osteoclast. Artemether is a natural compound derived from Artemisia annua L. and it is popularized for the treatment of malaria. In present study, we demonstrated that artemether could suppress RANKL-induced osteoclastogenesis and expression of osteoclast marker genes such as tartrate-resistant acid phosphatase, cathepsin K, matrix metalloproteinase 9, nuclear factor of activated T-cell cytoplasmic 1, and dendritic cell-specific transmembrane protein. It inhibited the osteoclastic bone resorption in a dose-dependent manner in vitro. Furthermore, artemether attenuated RANKL-induced MAPKs (ERK, JNK, p-38) activity. In addition, we have showed that artemether was able to mitigate bone erosion in a murine model of LPS-induced inflammatory bone loss. Taken together, these findings suggest that artemether reduces inflammatory bone loss via inhibition of MAPKs activation during osteoclast differentiation, and it might be a potential candidate for the treatment of osteoclast-related disorders.
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22
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Trobos M, Johansson ML, Jonhede S, Peters H, Hoffman M, Omar O, Thomsen P, Hultcrantz M. The clinical outcome and microbiological profile of bone-anchored hearing systems (BAHS) with different abutment topographies: a prospective pilot study. Eur Arch Otorhinolaryngol 2018; 275:1395-1408. [PMID: 29623410 PMCID: PMC5951894 DOI: 10.1007/s00405-018-4946-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 03/20/2018] [Indexed: 02/07/2023]
Abstract
Purpose In this prospective clinical pilot study, abutments with different topologies (machined versus polished) were compared with respect to the clinical outcome and the microbiological profile. Furthermore, three different sampling methods (retrieval of abutment, collection of peri-abutment exudate using paper-points, and a small peri-abutment soft-tissue biopsy) were evaluated for the identification and quantification of colonising bacteria. Methods Twelve patients, seven with machined abutment and five with polished abutment, were included in the analysis. Three different sampling procedures were employed for the identification and quantification of colonising bacteria from baseline up to 12 months, using quantitative culturing. Clinical outcome measures (Holgers score, hygiene, pain, numbness and implant stability) were investigated. Results The clinical parameters, and total viable bacteria per abutment or in tissue biopsies did not differ significantly between the polished and machined abutments. The total CFU/mm2 abutment and CFU/peri-abutment fluid space of anaerobes, aerobes and staphylococci were significantly higher for the polished abutment. Anaerobic bacteria were detected in the tissue biopsies before BAHS implantation. Anaerobes and Staphylococcus spp. were detected in all three compartments after BAHS installation. For most patients (10/12), the same staphylococcal species were found in at least two of the three compartments at the same time-point. The common skin coloniser Staphylococcus epidermidis was identified in all patients but one (11/12), whereas the pathogen Staphylococcus aureus was isolated in five of the patients. Several associations between clinical and microbiological parameters were found. Conclusions There was no difference in the clinical outcome with the use of polished versus machined abutment at 3 and 12 months after implantation. The present pilot trial largely confirmed a suitable study design, sampling and analytical methodology to determine the effects of modified BAHS abutment properties. Level of evidence 2. Controlled prospective comparative study. Electronic supplementary material The online version of this article (10.1007/s00405-018-4946-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Margarita Trobos
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, P.O. Box 412, 405 30, Gothenburg, Sweden.
| | - Martin Lars Johansson
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, P.O. Box 412, 405 30, Gothenburg, Sweden
- Oticon Medical AB, Askim, Sweden
| | | | | | - Maria Hoffman
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, P.O. Box 412, 405 30, Gothenburg, Sweden
| | - Omar Omar
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, P.O. Box 412, 405 30, Gothenburg, Sweden
| | - Peter Thomsen
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, P.O. Box 412, 405 30, Gothenburg, Sweden
| | - Malou Hultcrantz
- Department of Otorhinolaryngology, Karolinska University Hospital, Stockholm, Sweden
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Vertullo CJ, Lewis PL, Peng Y, Graves SE, de Steiger RN. The Effect of Alternative Bearing Surfaces on the Risk of Revision Due to Infection in Minimally Stabilized Total Knee Replacement: An Analysis of 326,603 Prostheses from the Australian Orthopaedic Association National Joint Replacement Registry. J Bone Joint Surg Am 2018; 100:115-123. [PMID: 29342061 DOI: 10.2106/jbjs.17.00269] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND The effect of alternative bearing materials on the risk of revision due to infection after total knee replacement remains uncertain. By reducing the immunomodulating polyethylene wear-particle burden and with different substrate bacterial adhesion properties, Oxinium oxidized zirconium and cross-linked polyethylene (XLPE) could alter infection risk. The purpose of the current study was to analyze the risk of revision for infection in 3 comparisons of bearing combinations. METHODS To evaluate the risk of revision for infection with XLPE, cobalt-chromium (CoCr) on XLPE was compared with CoCr on non-cross-linked polyethylene (NXLPE). To evaluate Oxinium, Oxinium-NXLPE was compared with CoCr-NXLPE, and to evaluate the possibility of an additional beneficial effect of Oxinium on XLPE, Oxinium-XLPE was compared with CoCr-XLPE. The cumulative percent revision (CPR) and hazard ratio (HR) for revision for infection in primary total knee replacement for osteoarthritis were determined from registry data from September 1, 1999, to December 31, 2015. Revisions within 6 months following the primary surgery were censored from the analysis, while procedures with posterior stabilized or fully stabilized total knee replacements as well as prostheses with a known higher risk of revision were excluded. Analyses were stratified by age, sex, and fixation type. RESULTS Of the 326,603 included primary total knee replacements, 1,511 (0.46%) were revised for infection. The risk of revision for infection was lower for CoCr-XLPE compared with CoCr-NXLPE (HR = 0.74; 95% confidence interval [CI] = 0.65 to 0.84; p < 0.001). This effect was apparent for both male and female patients overall, all fixation types, antibiotic cement use, those <65 years of age, and male patients ≥65 years of age. However, for female patients ≥65 years of age, there was no difference. Overall, Oxinium-NXLPE had the same revision risk as CoCr-NXLPE regardless of fixation; however, for cemented fixation, subanalysis showed a lower risk for Oxinium-NXLPE compared with CoCr-NXLPE (HR = 0.69; 95% CI = 0.51 to 0.94; p = 0.018). Oxinium-XLPE had the same revision risk for infection as CoCr-XLPE overall, among male patients, and when cemented fixation had been used. CONCLUSIONS In this registry analysis, CoCr-XLPE had a 26% lower risk of revision for infection than CoCr-NXLPE, suggesting a reduction of wear particle-induced immunomodulation with XLPE. Oxinium-XLPE had the same risk as CoCr-XLPE. Overall, Oxinium did not reduce the infection risk. LEVEL OF EVIDENCE Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Christopher J Vertullo
- Knee Research Australia, Gold Coast, Queensland, Australia.,Menzies Health Institute, Queensland, Griffith University, Gold Coast, Queensland, Australia
| | - Peter L Lewis
- Australian Orthopaedic Association National Joint Replacement Registry, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - Yi Peng
- Australian Orthopaedic Association National Joint Replacement Registry, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - Stephen E Graves
- Australian Orthopaedic Association National Joint Replacement Registry, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
| | - Richard N de Steiger
- Australian Orthopaedic Association National Joint Replacement Registry, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
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24
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Chen W, Bichara DA, Suhardi J, Sheng P, Muratoglu OK. Effects of vitamin E-diffused highly cross-linked UHMWPE particles on inflammation, apoptosis and immune response against S. aureus. Biomaterials 2017; 143:46-56. [DOI: 10.1016/j.biomaterials.2017.07.028] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 07/17/2017] [Accepted: 07/20/2017] [Indexed: 01/31/2023]
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25
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Song F, Wei C, Zhou L, Qin A, Yang M, Tickner J, Huang Y, Zhao J, Xu J. Luteoloside prevents lipopolysaccharide‐induced osteolysis and suppresses RANKL‐induced osteoclastogenesis through attenuating RANKL signaling cascades. J Cell Physiol 2017; 233:1723-1735. [DOI: 10.1002/jcp.26084] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 07/05/2017] [Indexed: 01/09/2023]
Affiliation(s)
- Fangming Song
- Research Centre for Regenerative MedicineGuangxi Key Laboratory of Regenerative MedicineGuangxi Medical UniversityNanningGuangxiChina
- School of Biomedical SciencesThe University of Western AustraliaPerthWestern AustraliaAustralia
| | - Chengming Wei
- Research Centre for Regenerative MedicineGuangxi Key Laboratory of Regenerative MedicineGuangxi Medical UniversityNanningGuangxiChina
| | - Lin Zhou
- School of Biomedical SciencesThe University of Western AustraliaPerthWestern AustraliaAustralia
| | - An Qin
- Department of Orthopaedics SurgeryShanghai Key Laboratory of Orthopaedic ImplantShanghai Ninth People's HospitalShanghai Jiaotong University School of MedicineShanghaiChina
| | - Mingli Yang
- School of Biomedical SciencesThe University of Western AustraliaPerthWestern AustraliaAustralia
| | - Jennifer Tickner
- School of Biomedical SciencesThe University of Western AustraliaPerthWestern AustraliaAustralia
| | - Yuanjiao Huang
- Medical Scientific Research CenterGuangxi Medical UniversityNanningGuangxiChina
| | - Jinmin Zhao
- Research Centre for Regenerative MedicineGuangxi Key Laboratory of Regenerative MedicineGuangxi Medical UniversityNanningGuangxiChina
- Department of Orthopaedic SurgeryThe First Affiliated Hospital of Guangxi Medical UniversityNanningGuangxiChina
| | - Jiake Xu
- Research Centre for Regenerative MedicineGuangxi Key Laboratory of Regenerative MedicineGuangxi Medical UniversityNanningGuangxiChina
- School of Biomedical SciencesThe University of Western AustraliaPerthWestern AustraliaAustralia
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26
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Goveia VR, Mendoza IYQ, Couto BRGM, Ferreira JAG, Paiva EB, Guimarães GL, Stoianoff MAR. Profile of hip arthroplasty patients in a teaching hospital. Rev Col Bras Cir 2017; 42:106-10. [PMID: 26176676 DOI: 10.1590/0100-69912015002007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Accepted: 06/20/2014] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE to characterize the epidemiological profile of patients undergoing hip replacement, primary or revisional. METHODS we conducted a retrospective, descriptive study, including hip arthroplasties performed from January 2009 to June 2012 in a Belo Horizonte teaching hospital, Minas Gerais State - MG, Brazil. Data were analyzed using descriptive statistics. RESULTS orthopedic procedures represented 45% of the operations at the hospital in the period, 1.4% hip arthroplasties. There were 125 hip replacements, 85 total, 27 partial and 13 reviews. Among the patients, 40% were male and 60% were female. Age ranged between 20 and 102 years, mean and median of 73 and 76 years, respectively. The most frequent diagnosis (82%) was femoral neck fracture by low-energy trauma caused by falling form standing position. In 13 revision operations, 12 required removal of the prosthesis. The infectious complication led to revision in 54% of the time, followed by dislocation (15%), peri-prosthetic fracture (15%) and aseptic loosening (15%). The infection etiologic agent was identified in 43% of occasions. The average length of the prosthesis to a revision operation was eight months. CONCLUSION patients undergoing hip arthroplasty are elderly, with femoral neck fracture caused by falling form standing position, affecting more women. The incidence of hip prosthesis loosening was 10%. The main cause of the infection was loosening. The incidence of revisional hip arthroplasty was 10% and the incidence of hospital mortality in patients undergoing hip arthroplasty was 7.2%.
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Affiliation(s)
- Vania Regina Goveia
- Nursing School, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brasil
| | | | | | | | - Edson Barreto Paiva
- Hospital Risoleta Tolentino Neves, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brasil
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27
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Takagi M, Takakubo Y, Pajarinen J, Naganuma Y, Oki H, Maruyama M, Goodman SB. Danger of frustrated sensors: Role of Toll-like receptors and NOD-like receptors in aseptic and septic inflammations around total hip replacements. J Orthop Translat 2017; 10:68-85. [PMID: 29130033 PMCID: PMC5676564 DOI: 10.1016/j.jot.2017.05.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The innate immune sensors, Toll-like receptors (TLRs) and nucleotide-binding oligomerization domain (NOD)-like receptors (NLRs), can recognize not only exogenous pathogen-associated molecular patterns (PAMPs), but also endogenous molecules created upon tissue injury, sterile inflammation, and degeneration. Endogenous ligands are called damage-associated molecular patterns (DAMPs), and include endogenous molecules released from activated and necrotic cells as well as damaged extracellular matrix. TLRs and NLRs can interact with various ligands derived from PAMPs and DAMPs, leading to activation and/or modulation of intracellular signalling pathways. Intensive research on the innate immune sensors, TLRs and NLRs, has brought new insights into the pathogenesis of not only various infectious and rheumatic diseases, but also aseptic foreign body granuloma and septic inflammation of failed total hip replacements (THRs). In this review, recent knowledge is summarized on the innate immune system, including TLRs and NLRs and their danger signals, with special reference to their possible role in the adverse local host response to THRs. Translational potential of this article: A clear understanding of the roles of Toll-like receptors and NOD-like receptors in aseptic and septic loosening of joint replacements will facilitate potential strategies to mitigate these events, thereby extending the longevity of implants in humans.
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Affiliation(s)
- Michiaki Takagi
- Department of Orthopaedic Surgery, Yamagata University Faculty of Medicine, Yamagata City, Yamagata, Japan
| | - Yuya Takakubo
- Department of Orthopaedic Surgery, Yamagata University Faculty of Medicine, Yamagata City, Yamagata, Japan
| | - Jukka Pajarinen
- Department of Orthopaedic Surgery, Stanford University, Stanford, CA, USA
| | - Yasushi Naganuma
- Department of Orthopaedic Surgery, Yamagata University Faculty of Medicine, Yamagata City, Yamagata, Japan
| | - Hiroharu Oki
- Department of Orthopaedic Surgery, Yamagata University Faculty of Medicine, Yamagata City, Yamagata, Japan
| | - Masahiro Maruyama
- Department of Orthopaedic Surgery, Yamagata University Faculty of Medicine, Yamagata City, Yamagata, Japan.,Department of Orthopaedic Surgery, Stanford University, Stanford, CA, USA
| | - Stuart B Goodman
- Department of Orthopaedic Surgery, Stanford University, Stanford, CA, USA
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Samelko L, Landgraeber S, McAllister K, Jacobs J, Hallab NJ. TLR4 (not TLR2) dominate cognate TLR activity associated with CoCrMo implant particles. J Orthop Res 2017; 35:1007-1017. [PMID: 27416075 DOI: 10.1002/jor.23368] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 07/11/2016] [Indexed: 02/04/2023]
Abstract
Innate immune reactions to orthopedic implant debris are the primary cause of total joint replacement (TJR) failure over the long term (15-20 years). The role of pathogen associated pattern recognition receptors (i.e., TLRs) in regulating immune reactivity to metal implant particles remains controversial. Do different TLRs (i.e., TLR2 vs. TLR4) activated by their respective ligands in concert with metal implant debris elicit equivalent innate immune responses? In this investigation, our in vitro and in vivo data indicate that Gram-negative PAMPs are more pro-inflammatory than Gram-positive PAMPs. In vitro results indicated TLR4 activation in concert with CoCrMo orthopedic implant debris (CoCrMo/LPS+) challenged primary macrophages resulted in significantly greater inflammatory responses than CoCrMo/PAM3CSK+ (TLR2). Similarly, in vivo results indicated CoCrMo/LPS+ TLR4 challenge induced a twofold increase in inflammation-induced bone resorption (osteolysis) than CoCrMo/PAM3CSK+ (p < 0.01) or CoCrMo (p < 0.03) alone in an established murine calvaria model. This points to a more potent TLR4-based effect of CoCrMo/LPS+ on innate immune responses, that is, IL-1ß, TNF-α, and resulting osteolysis. Differential CoCrMo/LPS+ induced osteolysis compared to CoCrMo/PAM3CSK+, reveals inherent differences in TLR4 versus TLR2 activation which are relevant to (i) how different types of implant debris elicit differential reactivity, (ii) how TLR2 Gram-positive bacteria benefits from less immune activation possibly due to the down-regulation of TLR2 surface expression, that subsequently impacts Gram-positive infections in TJRs, and (iii) how using TLR4 LPS (a Gram-negative agonist) may not accurately model Gram-positive bacteria responses, alone and/or with specific types of implant particles, particularly CoCrMo alloy. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:1007-1017, 2017.
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Affiliation(s)
- Lauryn Samelko
- Department of Orthopedic Surgery, Rush University Medical Center, 1735 W Harrison, Chicago, Illinois.,Department of Immunology, Rush University Medical Center, Chicago, Illinois
| | - Stefan Landgraeber
- Department of Orthopaedics, University Hospital Essen, University of Duisburg-Essen, Hufelandstrabe 55, Essen 45122, Germany
| | - Kyron McAllister
- Department of Orthopedic Surgery, Rush University Medical Center, 1735 W Harrison, Chicago, Illinois
| | - Joshua Jacobs
- Department of Orthopedic Surgery, Rush University Medical Center, 1735 W Harrison, Chicago, Illinois
| | - Nadim J Hallab
- Department of Orthopedic Surgery, Rush University Medical Center, 1735 W Harrison, Chicago, Illinois
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29
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França R, Alfa M, Olson N, Yahia L, Sacher E. Characterization of endotoxins on orthopaedic fixation screws, using physicochemical surface analyses. J Orthop Res 2017; 35:240-247. [PMID: 27107265 DOI: 10.1002/jor.23271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Accepted: 04/04/2016] [Indexed: 02/04/2023]
Abstract
The objective of this study was to determine if surface analysis techniques could be used to detect endotoxin on stainless steel malleolus screws. New malleolus screws were compared to ones that had been coated in purified lipopolysaccharide (LPS) or Artificial Test Soil (ATS) containing lipopolysaccharide. X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and time-of flight secondary ion mass spectrometry (TOF-SIMS) were used to assess the fixation screws surface. Organic material was visualized on the LPS and ATS-LPS inoculated screws but not on the new unsoiled screws. This was further supported by the peaks observed at masses between 40 and 100 D in TOF-SIMS spectra of the LPS and ATS-LPS inoculated screws. After deconvolution of N1s high resolution XPS spectra, the LPS inoculated screws showed amide groups whereas the ATS-LPS inoculated screws showed predominantly nitroso groups (C-NO). Our data demonstrate that surface analysis can be used to detect organic residuals present on fixation screws. The XPS data confirmed that LPS reacted predominantly with positively charged surface metallic ions (Fe and Cr), whereas proteins reacted with the surface oxide layer of fixation screws, forming C-NO groups. The application of these surface analysis techniques will be helpful in determining if the reprocessing of such items results in an accumulation of organic material that might lead to aseptic loosening, when implanted. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:240-247, 2017.
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Affiliation(s)
- Rodrigo França
- Dental Biomaterials Research Laboratory, Faculty of Health Sciences, Department of Restorative Dentistry, University of Manitoba, 780 Bannatyne Avenue, Winnipeg, Manitoba R3E 0W2, Canada.,Laboratoire d'Innovation et d'Analyse de Bioperformance, École Polytechnique de Montréal, C.P. 5079, Succursale Centre-ville, Montréal, Québec H3C 3A7, Canada
| | - Michelle Alfa
- St-Boniface Hospital Research Center, 351 Tache Avenue, Winnipeg, Manitoba R2H 2A6, Canada.,Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba R3E 0l9, Canada
| | - Nancy Olson
- St-Boniface Hospital Research Center, 351 Tache Avenue, Winnipeg, Manitoba R2H 2A6, Canada
| | - L'Hocine Yahia
- Laboratoire d'Innovation et d'Analyse de Bioperformance, École Polytechnique de Montréal, C.P. 5079, Succursale Centre-ville, Montréal, Québec H3C 3A7, Canada
| | - Edward Sacher
- Regroupement Québecois de Matériaux de Pointe and Département de Génie Physique, École Polytechnique de Montréal, C.P. 6079, Succursale Centre-ville, Montréal, Québec H3C 3A7, Canada
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30
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Hartmann ES, Köhler MI, Huber F, Redeker JI, Schmitt B, Schmitt-Sody M, Summer B, Fottner A, Jansson V, Mayer-Wagner S. Factors regulating bone remodeling processes in aseptic implant loosening. J Orthop Res 2017; 35:248-257. [PMID: 27116254 DOI: 10.1002/jor.23274] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 04/19/2016] [Indexed: 02/04/2023]
Abstract
This study was undertaken to screen periprosthetic tissues (PPTs) under specified conditions for a series of molecular components and describe them in bone remodeling processes within aseptic loosening. PPT samples were obtained from patients undergoing revision surgery of endoprostheses (n = 24) and synovial tissues from patients with OA (control) (n = 18), patients with any form of inflammatory arthritides were excluded. Tissue samples were examined via microbiology, histology (H&E, TRAP), immunohistochemistry (CD68/anti-S100a4), quantitative real-time PCR (ALP, COL1A1, cathepsin K, M-CSF, MMP13, OPG, RANK, RANKL, TNF-α, and TRAP) and an endotoxin-assay. PPT samples contained a variety of cellular components and stained positive for TRAP (56%), CD68 (100%), and S100a4 (100%). Wear debris were found in cells staining positive for CD68 and S100a4. In PPTs significantly higher ALP, COL1A1, MMP-13, RANK, RANKL, and TRAP expression were found along with a significantly higher RANKL/OPG ratio and a significantly lower OPG expression. No significant difference was observed for M-CSF, TNF-α, cathepsin K, and endotoxin levels. In conclusion we found osteogenic proteins (ALP, COL1A1), a proteolytic enzyme (MMP-13), markers for osteoclast differentiation (RANK, RANKL), and osteoclast activity (TRAP) to be increased in PPT, whereas OPG expression decreased significantly in comparison to control. We present data about a large series of molecular components in PPT and describe novel and key findings about their expression levels in regards to aseptic implant loosening. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:248-257, 2017.
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Affiliation(s)
- Eliza S Hartmann
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, Campus Großhadern, Ludwig-Maximilians-University, Marchioninistr 15, Munich 81377, Germany
| | - Miriam I Köhler
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, Campus Großhadern, Ludwig-Maximilians-University, Marchioninistr 15, Munich 81377, Germany
| | - Felicitas Huber
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, Campus Großhadern, Ludwig-Maximilians-University, Marchioninistr 15, Munich 81377, Germany
| | - Julia I Redeker
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, Campus Großhadern, Ludwig-Maximilians-University, Marchioninistr 15, Munich 81377, Germany
| | - Baerbel Schmitt
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, Campus Großhadern, Ludwig-Maximilians-University, Marchioninistr 15, Munich 81377, Germany
| | - Marcus Schmitt-Sody
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, Campus Großhadern, Ludwig-Maximilians-University, Marchioninistr 15, Munich 81377, Germany
| | - Burkhard Summer
- Department of Dermatology, Ludwig-Maximilians-University, Frauenlobstr 9-11, Munich 80337, Germany
| | - Andreas Fottner
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, Campus Großhadern, Ludwig-Maximilians-University, Marchioninistr 15, Munich 81377, Germany
| | - Volkmar Jansson
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, Campus Großhadern, Ludwig-Maximilians-University, Marchioninistr 15, Munich 81377, Germany
| | - Susanne Mayer-Wagner
- Department of Orthopaedic Surgery, Physical Medicine and Rehabilitation, Campus Großhadern, Ludwig-Maximilians-University, Marchioninistr 15, Munich 81377, Germany
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31
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Blockade of NF-κB and MAPK pathways by ulinastatin attenuates wear particle-stimulated osteoclast differentiation in vitro and in vivo. Biosci Rep 2016; 36:BSR20160234. [PMID: 27638499 PMCID: PMC5091469 DOI: 10.1042/bsr20160234] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Accepted: 09/15/2016] [Indexed: 11/17/2022] Open
Abstract
Ulinastatin, a urinary trypsin inhibitor (UTI), is widely used to clinically treat lipopolysaccharide (LPS)-related inflammatory disorders recently. Adherent pathogen-associated molecular patterns (PAMPs), of which LPS is the best-studied and classical endotoxin produced by Gram-negative bacteria, act to increase the biological activity of osteopedic wear particles such as polymethyl-methacrylate (PMMA) and titanium particles in cell culture and animal models of implant loosening. The present study was designed to explore the inhibitory effect of UTI on osteoclastogenesis and inflammatory osteolysis in LPS/PMMA-mediated Raw264.7 cells and murine osteolysis models, and investigate the potential mechanism. The in vitro study was divided into the control group, LPS-induced group, PMMA-stimulated group and UTI-pretreated group. UTI (500 or 5000 units/ml) pretreatment was followed by PMMA (0.5 mg/ml) with adherent LPS. The levels of inflammatory mediators including tumour necrosis factor-α (TNF-α), matrixmetallo-proteinases-9 (MMP-9) and interleukin-6 (IL-6), receptor activation of nuclear factor NF-κB (RANK), and cathepsin K were examined and the amounts of phosphorylated I-κB, MEK, JNK and p38 were measured. In vivo study, murine osteolysis models were divided into the control group, PMMA-induced group and UTI-treated group. UTI (500 or 5000 units/kg per day) was injected intraperitoneally followed by PMMA suspension with adherent LPS (2×108 particles/25 μl) in the UTI-treated group. The thickness of interfacial membrane and the number of infiltrated inflammatory cells around the implants were assessed, and bone mineral density (BMD), trabecular number (Tb.N.), trabecular thickness (Tb.Th.), trabecular separation (Tb.Sp.), relative bone volume over total volume (BV/TV) of distal femur around the implants were calculated. Our results showed that UTI pretreatment suppressed the secretion of proinflammatory cytokines including MMP-9, IL-6, TNF-α, RANK and cathepsin K through down-regulating the activity of nuclear factor kappa B (NF-κB) and MAPKs partly in LPS/PMMA-mediated Raw264.7 cells. Finally, UTI treatment decreased the inflammatory osteolysis reaction in PMMA-induced murine osteolysis models. In conclusion, these results confirm the anti-inflammatory potential of UTI in the prevention of particle disease.
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Wasko MK, Goodman SB. Emperor's new clothes: Is particle disease really infected particle disease? J Orthop Res 2016; 34:1497-504. [PMID: 27175824 PMCID: PMC5529039 DOI: 10.1002/jor.23292] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2015] [Accepted: 05/10/2016] [Indexed: 02/04/2023]
Abstract
Aseptic loosening remains the most significant long-term complication of total hip replacement. The current paradigm points to an inflammatory response to wear particles as its main trigger. Recently, there have been increasing numbers of positive bacterial isolates reported among patients with clinically absent infection. This paper reviews existing evidence on possible involvement of bacteria and microbial-associated molecular patterns in the pathology of so-called "aseptic loosening." © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 34:1497-1504, 2016.
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Affiliation(s)
- Marcin K. Wasko
- Department of Orthopaedic and Rheumoorthopaedic Surgery, The Medical Centre of Postgraduate Education, Warsaw, Poland,Foundation for the Development of Medicine, Slupsk, Poland,SPSK im. Prof. A. Grucy, Konarskiego 13, Otwock 05-400, Poland
| | - Stuart B. Goodman
- Department of Orthopaedic Surgery, Orthopaedic Surgery Laboratories, Stanford University, Stanford, California,Department of Bioengineering, Stanford University, Stanford, California
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Giannelli M, Landini G, Materassi F, Chellini F, Antonelli A, Tani A, Zecchi-Orlandini S, Rossolini GM, Bani D. The effects of diode laser on Staphylococcus aureus biofilm and Escherichia coli lipopolysaccharide adherent to titanium oxide surface of dental implants. An in vitro study. Lasers Med Sci 2016; 31:1613-1619. [PMID: 27475996 DOI: 10.1007/s10103-016-2025-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Accepted: 07/04/2016] [Indexed: 10/21/2022]
Abstract
Effective decontamination of biofilm and bacterial toxins from the surface of dental implants is a yet unresolved issue. This in vitro study aims at providing the experimental basis for possible use of diode laser (λ 808 nm) in the treatment of peri-implantitis. Staphylococcus aureus biofilm was grown for 48 h on titanium discs with porous surface corresponding to the bone-implant interface and then irradiated with a diode laser (λ 808 nm) in noncontact mode with airflow cooling for 1 min using a Ø 600-μm fiber. Setting parameters were 2 W (400 J/cm2) for continuous wave mode; 22 μJ, 20 kHz, 7 μs (88 J/cm2) for pulsed wave mode. Bactericidal effect was evaluated using fluorescence microscopy and counting the residual colony-forming units. Biofilm and titanium surface morphology were analyzed by scanning electron microscopy (SEM). In parallel experiments, the titanium discs were coated with Escherichia coli lipopolysaccharide (LPS), laser-irradiated and seeded with RAW 264.7 macrophages to quantify LPS-driven inflammatory cell activation by measuring the enhanced generation of nitric oxide (NO). Diode laser irradiation in both continuous and pulsed modes induced a statistically significant reduction of viable bacteria and nitrite levels. These results indicate that in addition to its bactericidal effect laser irradiation can also inhibit LPS-induced macrophage activation and thus blunt the inflammatory response. The λ 808-nm diode laser emerges as a valuable tool for decontamination/detoxification of the titanium implant surface and may be used in the treatment of peri-implantitis.
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Affiliation(s)
- Marco Giannelli
- Odontostomatologic Laser Therapy Center, Via dell' Olivuzzo 162, 50143, Florence, Italy.
| | - Giulia Landini
- Department of Medical Biotechnologies, University of Siena, Santa Maria alle Scotte University Hospital, Viale Bracci, Siena, Italy
| | - Fabrizio Materassi
- Odontostomatologic Laser Therapy Center, Via dell' Olivuzzo 162, 50143, Florence, Italy
| | - Flaminia Chellini
- Department of Experimental and Clinical Medicine - Section of Anatomy and Histology, Largo Brambilla 3, University of Florence, 50134, Florence, Italy
| | - Alberto Antonelli
- Department of Medical Biotechnologies, University of Siena, Santa Maria alle Scotte University Hospital, Viale Bracci, Siena, Italy.,Department of Experimental and Clinical Medicine, Section of Critical Care and Specialistic Medicine, University of Florence, and 5Clinical Microbiology and Virology Unit, Florence Careggi University Hospital, Via San Damiano, 50134, Florence, Italy
| | - Alessia Tani
- Department of Experimental and Clinical Medicine - Section of Anatomy and Histology, Largo Brambilla 3, University of Florence, 50134, Florence, Italy
| | - Sandra Zecchi-Orlandini
- Department of Experimental and Clinical Medicine - Section of Anatomy and Histology, Largo Brambilla 3, University of Florence, 50134, Florence, Italy
| | - Gian Maria Rossolini
- Department of Medical Biotechnologies, University of Siena, Santa Maria alle Scotte University Hospital, Viale Bracci, Siena, Italy.,Department of Experimental and Clinical Medicine, Section of Critical Care and Specialistic Medicine, University of Florence, and 5Clinical Microbiology and Virology Unit, Florence Careggi University Hospital, Via San Damiano, 50134, Florence, Italy.,Clinical Microbiology and Virology Unit, Florence Careggi University Hospital, Via San Damiano, 50134, Florence, Italy
| | - Daniele Bani
- Department of Experimental and Clinical Medicine - Section of Anatomy and Histology, Largo Brambilla 3, University of Florence, 50134, Florence, Italy
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Cobalt Alloy Implant Debris Induces Inflammation and Bone Loss Primarily through Danger Signaling, Not TLR4 Activation: Implications for DAMP-ening Implant Related Inflammation. PLoS One 2016; 11:e0160141. [PMID: 27467577 PMCID: PMC4965114 DOI: 10.1371/journal.pone.0160141] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 05/18/2016] [Indexed: 11/20/2022] Open
Abstract
Cobalt alloy debris has been implicated as causative in the early failure of some designs of current total joint implants. The ability of implant debris to cause excessive inflammation via danger signaling (NLRP3 inflammasome) vs. pathogen associated pattern recognition receptors (e.g. Toll-like receptors; TLRs) remains controversial. Recently, specific non-conserved histidines on human TLR4 have been shown activated by cobalt and nickel ions in solution. However, whether this TLR activation is directly or indirectly an effect of metals or secondary endogenous alarmins (danger-associated molecular patterns, DAMPs) elicited by danger signaling, remains unknown and contentious. Our study indicates that in both a human macrophage cell line (THP-1) and primary human macrophages, as well as an in vivo murine model of inflammatory osteolysis, that Cobalt-alloy particle induced NLRP3 inflammasome danger signaling inflammatory responses were highly dominant relative to TLR4 activation, as measured respectively by IL-1β or TNF-α, IL-6, IL-10, tissue histology and quantitative bone loss measurement. Despite the lack of metal binding histidines H456 and H458 in murine TLR4, murine calvaria challenge with Cobalt alloy particles induced significant macrophage driven in vivo inflammation and bone loss inflammatory osteolysis, whereas LPS calvaria challenge alone did not. Additionally, no significant increase (p<0.05) in inflammation and inflammatory bone loss by LPS co-challenge with Cobalt vs. Cobalt alone was evident, even at high levels of LPS (i.e. levels commiserate with hematogenous levels in fatal sepsis, >500pg/mL). Therefore, not only do the results of this investigation support Cobalt alloy danger signaling induced inflammation, but under normal homeostasis low levels of hematogenous PAMPs (<2pg/mL) from Gram-negative bacteria, seem to have negligible contribution to the danger signaling responses elicited by Cobalt alloy metal implant debris. This suggests the unique nature of Cobalt alloy particle bioreactivity is strong enough to illicit danger signaling that secondarily activate concomitant TLR activation, and may in part explain Cobalt particulate associated inflammatory and toxicity-like reactions of specific orthopedic implants.
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35
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Goveia VR, Mendoza IYQ, Guimarães GL, Ercole FF, Couto BRGM, Leite EMM, Stoianoff MAR, Ferreira JAG. Endotoxins in surgical instruments of hip arthroplasty. Rev Esc Enferm USP 2016; 50:405-10. [DOI: 10.1590/s0080-623420160000400005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 04/20/2016] [Indexed: 11/21/2022] Open
Abstract
Abstract OBJECTIVE To investigate endotoxins in sterilized surgical instruments used in hip arthroplasties. METHOD A descriptive exploratory study conducted in a public teaching hospital. Six types of surgical instruments were selected, namely: acetabulum rasp, femoral rasp, femoral head remover, chisel box, flexible bone reamer and femoral head test. The selection was based on the analysis of the difficulty in removing bone and blood residues during cleaning. The sample was made up of 60 surgical instruments, which were tested for endotoxins in three different stages. The EndosafeTM Gel-Clot LAL (Limulus Amebocyte Lysate method) was used. RESULT There was consistent gel formation with positive analysis in eight instruments, corresponding to 13.3%, being four femoral rasps and four bone reamers. CONCLUSION Endotoxins in quantity ≥0.125 UE/mL were detected in 13.3% of the instruments tested.
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Raphel J, Holodniy M, Goodman SB, Heilshorn SC. Multifunctional coatings to simultaneously promote osseointegration and prevent infection of orthopaedic implants. Biomaterials 2016; 84:301-314. [PMID: 26851394 PMCID: PMC4883578 DOI: 10.1016/j.biomaterials.2016.01.016] [Citation(s) in RCA: 364] [Impact Index Per Article: 45.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 12/22/2015] [Accepted: 01/01/2016] [Indexed: 12/21/2022]
Abstract
The two leading causes of failure for joint arthroplasty prostheses are aseptic loosening and periprosthetic joint infection. With the number of primary and revision joint replacement surgeries on the rise, strategies to mitigate these failure modes have become increasingly important. Much of the recent work in this field has focused on the design of coatings either to prevent infection while ignoring bone mineralization or vice versa, to promote osseointegration while ignoring microbial susceptibility. However, both coating functions are required to achieve long-term success of the implant; therefore, these two modalities must be evaluated in parallel during the development of new orthopaedic coating strategies. In this review, we discuss recent progress and future directions for the design of multifunctional orthopaedic coatings that can inhibit microbial cells while still promoting osseointegration.
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Affiliation(s)
- Jordan Raphel
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
| | - Mark Holodniy
- Division of Infectious Diseases & Geographic Medicine, Stanford University, Stanford, CA, USA; Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | - Stuart B Goodman
- Department of Orthopaedic Surgery and Bioengineering, Stanford University, Stanford, CA, USA
| | - Sarah C Heilshorn
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA.
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Langlois J, Zaoui A, Bichara DA, Nich C, Bensidhoum M, Petite H, Muratoglu OK, Hamadouche M. Biological reaction to polyethylene particles in a murine calvarial model is highly influenced by age. J Orthop Res 2016; 34:574-80. [PMID: 26375608 DOI: 10.1002/jor.23050] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 09/09/2015] [Indexed: 02/04/2023]
Abstract
Particle-induced osteolysis is driven by multiple factors including bone metabolism, inflammation, and age. The objective of this study was to determine the influence of age on polyethylene (PE) particle-induced osteolysis in a murine calvarial model comparing 2-month-old (young) versus 24-month-old (old) mice. After PE particle implantation, calvaria were assessed at days (D) 3, D7, D14, and D21 via chemoluminescent imaging for inflammation (L-012 probe). In addition micro-computed tomography (micro-CT) and histomorphometry end points addressed the bone reaction. Inflammation peaked at D7 in young mice and D14 in old mice. Using micro-CT, a nadir of mature bone was recorded at D7 for young mice, versus D21 for old mice. Besides, regenerating bone peaked at distinct timepoints: D7 for young mice versus D21 for old mice. In the young mice group, the histomorphometric findings correlated with micro-CT regenerating bone findings at D7, associated with ample osteoïd deposition. No osteoïd could be histologically quantified in the old mice group at D7. This study demonstrated that the biological reaction to polyethylene particles is highly influenced by age.
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Affiliation(s)
- Jean Langlois
- Harris Orthopaedic Laboratory, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, GRJ 1231, Boston, Massachusetts, 02114.,Laboratoire de Bioingénierie et Biomécanique Ostéo-articulaires, UMR CNRS 7052, Faculté de Médecine Paris 7-Denis Diderot, 10, Avenue de Verdun, 75010, Paris, France
| | - Amine Zaoui
- Laboratoire de Bioingénierie et Biomécanique Ostéo-articulaires, UMR CNRS 7052, Faculté de Médecine Paris 7-Denis Diderot, 10, Avenue de Verdun, 75010, Paris, France
| | - David A Bichara
- Harris Orthopaedic Laboratory, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, GRJ 1231, Boston, Massachusetts, 02114
| | - Christophe Nich
- Laboratoire de Bioingénierie et Biomécanique Ostéo-articulaires, UMR CNRS 7052, Faculté de Médecine Paris 7-Denis Diderot, 10, Avenue de Verdun, 75010, Paris, France
| | - Morad Bensidhoum
- Laboratoire de Bioingénierie et Biomécanique Ostéo-articulaires, UMR CNRS 7052, Faculté de Médecine Paris 7-Denis Diderot, 10, Avenue de Verdun, 75010, Paris, France
| | - Hervé Petite
- Laboratoire de Bioingénierie et Biomécanique Ostéo-articulaires, UMR CNRS 7052, Faculté de Médecine Paris 7-Denis Diderot, 10, Avenue de Verdun, 75010, Paris, France
| | - Orhun K Muratoglu
- Harris Orthopaedic Laboratory, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, GRJ 1231, Boston, Massachusetts, 02114
| | - Moussa Hamadouche
- Laboratoire de Bioingénierie et Biomécanique Ostéo-articulaires, UMR CNRS 7052, Faculté de Médecine Paris 7-Denis Diderot, 10, Avenue de Verdun, 75010, Paris, France
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Bechtel CP, Gebhart JJ, Tatro JM, Kiss-Toth E, Wilkinson JM, Greenfield EM. Particle-Induced Osteolysis Is Mediated by TIRAP/Mal in Vitro and in Vivo: Dependence on Adherent Pathogen-Associated Molecular Patterns. J Bone Joint Surg Am 2016; 98:285-94. [PMID: 26888676 DOI: 10.2106/jbjs.o.00736] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Proinflammatory signaling by toll-like receptors (TLRs) likely contributes to biologic responses to wear particles causing aseptic loosening. We recently reported associations with aseptic loosening in patients with polymorphisms in the locus encoding an adapter protein specific for TLR-2 and TLR-4 known as toll/interleukin-1 receptor domain-containing adapter protein/MyD88 adapter-like (TIRAP/Mal). To directly examine the contribution of TIRAP/Mal, we tested the hypothesis that TIRAP/Mal deficiency reduces the activity of wear particles. Signaling by TLR-2 and TLR-4 through TIRAP/Mal can be activated by bacterial pathogen-associated molecular patterns (PAMPs) such as lipopolysaccharide or endogenous alarmins. To distinguish between those possibilities, we tested the hypothesis that the effects of TIRAP/Mal depend on the adherence of bacterial PAMPs to the particles. METHODS In vitro mRNA levels and secretion of tumor necrosis factor-α, interleukin (IL)-1β, and IL-6 were measured after incubating wild-type and TIRAP/Mal(-/-) macrophages in the presence or absence of titanium particles with adherent bacterial debris, so-called endotoxin-free particles, or particles with adherent lipopolysaccharide. In vivo osteolysis was measured after implanting titanium particles on the calvaria of wild-type and TIRAP/Mal(-/-) mice. RESULTS TIRAP/Mal deficiency significantly inhibited the activity of titanium particles with adherent bacterial debris to stimulate in vivo osteolysis and in vitro cytokine mRNAs and secretion. Those effects are dependent on adherent PAMPs because removal of >99% of the adherent bacterial debris from the particles significantly reduced their activity and the remaining activity was not dependent on TIRAP/Mal. Moreover, adherence of highly purified lipopolysaccharide to the endotoxin-free particles reconstituted the activity and the dependence on TIRAP/Mal. CONCLUSIONS TIRAP/Mal deficiency reduces inflammatory responses and osteolysis induced by particles with adherent PAMPs. CLINICAL RELEVANCE Our results, coupled with the genetic associations between aseptic loosening and polymorphisms within the TIRAP/Mal locus, support TLR signaling through TIRAP/Mal as one of the factors that enhances the activity of wear particles and further support the hypothesis that bacterial PAMPs likely contribute to aseptic loosening in a subset of patients.
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Affiliation(s)
- Christopher P Bechtel
- Departments of Orthopaedics (C.P.B., J.J.G., J.M.T., and E.M.G.) and Pathology (E.M.G.), University Hospitals Case Medical Center, Case Western Reserve University, Cleveland, Ohio
| | - Jeremy J Gebhart
- Departments of Orthopaedics (C.P.B., J.J.G., J.M.T., and E.M.G.) and Pathology (E.M.G.), University Hospitals Case Medical Center, Case Western Reserve University, Cleveland, Ohio
| | - Joscelyn M Tatro
- Departments of Orthopaedics (C.P.B., J.J.G., J.M.T., and E.M.G.) and Pathology (E.M.G.), University Hospitals Case Medical Center, Case Western Reserve University, Cleveland, Ohio
| | - Endre Kiss-Toth
- Departments of Cardiovascular Science (E.K.-T.) and Human Metabolism (J.M.W.), University of Sheffield, Sheffield, United Kingdom
| | - J Mark Wilkinson
- Departments of Cardiovascular Science (E.K.-T.) and Human Metabolism (J.M.W.), University of Sheffield, Sheffield, United Kingdom
| | - Edward M Greenfield
- Departments of Orthopaedics (C.P.B., J.J.G., J.M.T., and E.M.G.) and Pathology (E.M.G.), University Hospitals Case Medical Center, Case Western Reserve University, Cleveland, Ohio
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Zhao Y, Cao H, Wang J, Qin H, Li B, Wang D, Meng F, Zhang X, Liu X. Restoring the osteogenic activity of bacterial debris contaminated titanium by doping with magnesium. RSC Adv 2016. [DOI: 10.1039/c6ra11854b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Bacterial debris can impair the osseointegration of implants and co-doping with magnesium and silver is a promising method to solve this issue.
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Affiliation(s)
- Yaochao Zhao
- Department of Orthopedics
- Shanghai Sixth People's Hospital
- Shanghai Jiao Tong University
- Shanghai 200233
- China
| | - Huiliang Cao
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure
- Shanghai Institute of Ceramics
- Chinese Academy of Sciences
- Shanghai 200050
- China
| | - Jiaxing Wang
- Department of Orthopedics
- Shanghai Sixth People's Hospital
- Shanghai Jiao Tong University
- Shanghai 200233
- China
| | - Hui Qin
- Department of Orthopedics
- Shanghai Sixth People's Hospital
- Shanghai Jiao Tong University
- Shanghai 200233
- China
| | - Bin Li
- Department of Orthopedics
- Shanghai Sixth People's Hospital
- Shanghai Jiao Tong University
- Shanghai 200233
- China
| | - Donghui Wang
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure
- Shanghai Institute of Ceramics
- Chinese Academy of Sciences
- Shanghai 200050
- China
| | - Fanhao Meng
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure
- Shanghai Institute of Ceramics
- Chinese Academy of Sciences
- Shanghai 200050
- China
| | - Xianlong Zhang
- Department of Orthopedics
- Shanghai Sixth People's Hospital
- Shanghai Jiao Tong University
- Shanghai 200233
- China
| | - Xuanyong Liu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure
- Shanghai Institute of Ceramics
- Chinese Academy of Sciences
- Shanghai 200050
- China
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Pajarinen J, Jamsen E, Konttinen YT, Goodman SB. Innate immune reactions in septic and aseptic osteolysis around hip implants. J Long Term Eff Med Implants 2015; 24:283-96. [PMID: 25747031 DOI: 10.1615/jlongtermeffmedimplants.2014010564] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
According to the long-standing definition, septic and aseptic total joint replacement loosening are two distinct conditions with little in common. Septic joint replacement loosening is driven by bacterial infection whereas aseptic loosening is caused by biomaterial wear debris released from the bearing surfaces. However, recently it has been recognized that the mechanisms that drive macrophage activation in septic and aseptic total joint replacement loosening resemble each other. In particular, accumulating evidence indicates that in addition to mediating bacterial recognition and the subsequent inflammatory reaction, toll-like receptors (TLRs) and their ligands, pathogen-associated molecular patterns (PAMPs) and danger-associated molecular patterns (DAMPS), play a key role in wear debris-induced inflammation and macrophage activation. In addition, subclinical bacterial biofilms have been identified from some cases of seemingly aseptic implant loosening. Furthermore, metal ions released from some total joint replacements can activate TLR signaling similar to bacterial derived PAMPs. Likewise, metal ions can function as haptens activating the adaptive immune system similar to bacterial derived antigens. Thus, it appears that aseptic and septic joint replacement loosening share similar underlying pathomechanisms and that this strict dichotomy to sterile aseptic and bacterial-caused septic implant loosening is somewhat questionable. Indeed, rather than being two, well-defined clinical entities, peri-implant osteolysis is, in fact, a spectrum of conditions in which the specific clinical picture is determined by complex interactions of multiple local and systemic factors.
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Affiliation(s)
- Jukka Pajarinen
- Department of Medicine, Institute of Clinical Medicine, Helsinki University Central Hospital, 00029 HUS, Finland; Department of Orthopaedic Surgery, Stanford Medical Center, Stanford CA 94305-5341 , USA
| | - Eemeli Jamsen
- Department of Medicine, Institute of Clinical Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Yrjo T Konttinen
- Department of Clinical Medicine, University of Helsinki and ORTON Orthopaedic Hospital of the Invalid Foundation, Helsinki, Finland
| | - Stuart B Goodman
- Department of Orthopaedic Surgery Stanford University Medical Center Redwood City, CA
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Konttinen YT, Pajarinen J, Takakubo Y, Gallo J, Nich C, Takagi M, Goodman SB. Macrophage polarization and activation in response to implant debris: influence by "particle disease" and "ion disease". J Long Term Eff Med Implants 2015; 24:267-81. [PMID: 25747030 DOI: 10.1615/jlongtermeffmedimplants.2014011355] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Macrophages derive from human embryonic and fetal stem cells and from human bone marrow-derived blood monocytes. They play a major homeostatic role in tissue remodeling and maintenance facilitated by apoptotic "eat me" opsonins like CRP, serum amyloid P, C1q, C3b, IgM, ficolin, and surfactant proteins. Three subsets of monocytes, classic, intermediate, and nonclassic, are mobilized and transmigrate to tissues. Implant-derived wear particles opsonized by danger signals regulate macrophage priming, polarization (M1, M2, M17, and Mreg), and activation. CD14(+) monocytes in healthy controls and CD16(+) monocytes in inflammation differentiate/polarize to foreign body giant cells/osteoclasts or inflammatory dendritic cells (infDC). These danger signal opsonins can be pathogen- or microbe-associated molecular patterns (PAMPs/MAMPs), but in aseptic loosening, usually are damage-associated molecular patterns (DAMPs). Danger signal-opsonized particles elicit "particle disease" and aseptic loosening. They provide soluble and cell membrane-bound co-stimulatory signals that can lead to cell-mediated immune reactions to metal ions. Metal-on-metal implant failure has disclosed that quite like Ni(2+), its neighbor in the periodic table Co(2+) can directly activate toll-like receptor 4 (TLR4) as a lipopolysaccharide-mimic. "Ion disease" concept needs to be incorporated into the "particle disease" concept, due to the toxic, immune, and inflammatory potential of metal ions.
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Affiliation(s)
- Yrjo T Konttinen
- Department of Clinical Medicine, University of Helsinki and ORTON Orthopaedic Hospital of the Invalid Foundation, Helsinki, Finland
| | - Jukka Pajarinen
- Department of Medicine, Institute of Clinical Medicine, Helsinki University Central Hospital, 00029 HUS, Finland; Department of Orthopaedic Surgery, Stanford Medical Center, Stanford CA 94305-5341 , USA
| | - Yuya Takakubo
- Department of Orthopaedic Surgery, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Jiri Gallo
- Department of Orthopedics, University Hospital and Faculty of Medicine and Dentistry, Palacky University, Olomouc 775 20, Czech Republic
| | - 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
| | - Michiaki Takagi
- Department of Orthopaedic Surgery Yamagata University School of Medicine Yamagata, Japan
| | - Stuart B Goodman
- Department of Orthopaedic Surgery Stanford University Medical Center Redwood City, CA
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Morra M, Cassinelli C, Bollati D, Cascardo G, Bellanda M. Adherent endotoxin on dental implant surfaces: a reappraisal. J ORAL IMPLANTOL 2015; 41:10-6. [PMID: 25699642 DOI: 10.1563/aaid-joi-d-12-00137] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Osteoimmunology is the crosstalk between cells from the immune and skeletal systems, suggesting a role of pro-inflammatory cytokines in the stimulation of osteoclast activity. Endotoxin or bacterial challenges to inflammatory cells are directly relevant to dental implant pathologies involving bone resorption, such as osseointegration failure and peri-implantitis. While the endotoxin amount on implant devices is regulated by standards, it is unknown whether commercially available dental implants elicit different levels of adherent-endotoxin stimulated cytokines. The objective of this work is to develop a model system and evaluate endotoxin-induced expression of pro-inflammatory cytokine genes relevant to osteoclast activation on commercially available dental implants. Murine J774-A1 macrophages were cultured on Ti disks with different level of lipopolysaccharide (LPS) contamination to define the time-course of the inflammatory response to endotoxin, as evaluated by reverse transcription polymerase chain reaction analysis. The developed protocol was then used to measure adherent endotoxin on commercially available packaged and sterile dental implants in the "as-implanted" condition. Results show that tested dental implants induce variable expression of endotoxin-stimulated genes, sometimes above the level expected to promote bone resorption in vivo. Results are unaffected by the specific surface treatment; rather, they likely reflect care in cleaning and packaging protocols. In conclusion, expression of genes that enhance osteoclast activity through endotoxin stimulation of inflammatory cells is widely different on commercially available dental implants. A reappraisal of the clinical impact of adherent endotoxins on dental (and bone) implant devices is required in light of increasing knowledge on crosstalk between cells from the immune and skeletal systems.
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Xing H, Taguchi Y, Komasa S, Yamawaki I, Sekino T, Umeda M, Okazaki J. Effect of Porphyromonas gingivalis Lipopolysaccharide on Bone Marrow Mesenchymal Stem Cell Osteogenesis on a Titanium Nanosurface. J Periodontol 2015; 86:448-55. [DOI: 10.1902/jop.2014.140386] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Brignardello‐Petersen R, Carrasco‐Labra A, Araya I, Yanine N, Cordova Jara L, Villanueva J. Antibiotic prophylaxis for preventing infectious complications in orthognathic surgery. Cochrane Database Syst Rev 2015; 1:CD010266. [PMID: 25561078 PMCID: PMC9674113 DOI: 10.1002/14651858.cd010266.pub2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Orthognathic surgery (OS) is a term that refers to many elective surgical techniques to correct facial deformity; the associated malocclusion and functional disorders related to the stomatognathic system. Whilst such surgery is classed as "clean-contaminated", the usefulness of and the most appropriate regimen for antibiotic prophylaxis in these patients are still debated. OBJECTIVES To assess the effects of antibiotic prophylaxis for preventing surgical site infection (SSI) in people undergoing orthognathic surgery. SEARCH METHODS In June 2014, we searched the Cochrane Wounds Group Specialised Register; the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library); Ovid MEDLINE; Ovid MEDLINE (In-Process & Other Non-Indexed Citations); Ovid EMBASE; and EBSCO CINAHL. We also searched Google Scholar and performed manual searches in journals relevant to the topic, conference proceedings and lists of references of potentially included articles. We did not restrict the search and study selection with respect to language, date of publication or study setting. SELECTION CRITERIA We included randomised controlled trials (RCTs) involving people undergoing orthognathic surgery comparing one regimen of antibiotic prophylaxis with any other regimen or placebo. The primary outcome was SSI, and secondary outcomes were systemic infections, adverse events, duration of hospital stay and health-related quality of life. Two review authors screened articles independently. DATA COLLECTION AND ANALYSIS Data were abstracted independently by two review authors, and agreement was checked. Risk of bias was assessed using the Cochrane risk of bias tool. Antibiotic regimens were classified as preoperative (one dose before surgery), short-term (before or during surgery and/or during the same day of surgery) and long-term (before or during surgery and longer than one day after surgery) antibiotic prophylaxis. Random-effects meta-analyses using inverse variance methods were undertaken when possible. We report risk ratios (RRs) and their corresponding 95% confidence intervals (CIs). MAIN RESULTS A total of 11 trials were included in this review. Most of the studies had an unclear risk of bias prompting us to downgrade the quality of evidence for our outcomes. Seven of these trials provided evidence for the main comparison and the primary outcome and these were pooled. Overall, long-term antibiotic prophylaxis probably reduces the risk of SSI (plausible effects range between a 76% to a 0.26% relative reduction in SSI with long-term antibiotic prophylaxis) (472 participants; RR 0.42, 95% CI 0.24 to 0.74; moderate-quality evidence). There is uncertainty surrounding the relative effects of short-term antibiotics compared with a single dose (220 participants; RR 0.34, 95% CI 0.09 to 1.22; low-quality evidence). No reports described adverse effects associated with the drugs in those trials that reported in this outcome. None of these trials assessed or reported data regarding other outcomes, and information was insufficient to show whether a specific antibiotic is better than another. AUTHORS' CONCLUSIONS For people undergoing orthognathic surgery, long term antibiotic prophylaxis decreases the risk of SSI compared with short-term antibiotic prophylaxis and the is uncertainty of whether short-term antibiotic prophylaxis decreases SSi risk relative to a single pre-operative dose of prophylactic antibiotics.
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Affiliation(s)
- Romina Brignardello‐Petersen
- Faculty of Dentistry, University of ChileEvidence Based Dentistry UnitSergio Livingstone Pohlhammer 943, IndependenciaSantiagoChile8380000
| | - Alonso Carrasco‐Labra
- Faculty of Dentistry, University of ChileEvidence Based Dentistry UnitSergio Livingstone Pohlhammer 943, IndependenciaSantiagoChile8380000
- Faculty of Dentistry, University of ChileDepartment of Oral and Maxillofacial SurgerySantiagoChile
| | - Ignacio Araya
- Faculty of Dentistry, University of ChileEvidence Based Dentistry UnitSergio Livingstone Pohlhammer 943, IndependenciaSantiagoChile8380000
- Faculty of Dentistry, University of ChileDepartment of Oral and Maxillofacial SurgerySantiagoChile
| | - Nicolás Yanine
- Faculty of Dentistry, University of ChileEvidence Based Dentistry UnitSergio Livingstone Pohlhammer 943, IndependenciaSantiagoChile8380000
- Faculty of Dentistry, University of ChileDepartment of Oral and Maxillofacial SurgerySantiagoChile
| | - Luis Cordova Jara
- Faculty of Dentistry, University of ChileDepartment of Oral and Maxillofacial SurgerySantiagoChile
| | - Julio Villanueva
- Faculty of Dentistry, University of ChileEvidence Based Dentistry UnitSergio Livingstone Pohlhammer 943, IndependenciaSantiagoChile8380000
- Faculty of Dentistry, University of ChileDepartment of Oral and Maxillofacial SurgerySantiagoChile
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Ultrastructural analysis of nanoparticles and ions released in periprosthetic membranes. J Appl Biomater Funct Mater 2014; 12:210-7. [PMID: 24744234 DOI: 10.5301/jabfm.5000183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/13/2013] [Indexed: 11/20/2022] Open
Abstract
PURPOSE The distribution and relationship of hydroxyapatite debris, nanometric organic and metal wear particles and metal ions on periimplant interface membranes following aseptic and septic arthroplastic loosening were investigated. METHODS Scanning electron microscopy and X-ray spectroscopic analysis were used to analyze debris and ion distribution. RESULTS Hydroxyapatite debris appeared with different morphology in a particular distribution among several membranes. These differences may reflect the occurrence of different friction forces taking place between prosthesis and bone interface in the several types of prostheses studied. Metal wear particles were detected in greater numbers in membranes from noncemented prostheses compared with those from cemented ones. In contrast, more organic particles were present in membrane from cemented prosthesis. No differences were observed between aseptic and septic membranes. CONCLUSION Our findings support the need to evaluate the occurrence of friction forces that periprosthetic bone debris production may induce to exacerbate cellular reactivity. Furthermore, cellular engulfment of debris and the high level of different ions released indicate the occurrence of a toxic environment that may induce failure of any reparative pathways.
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Pajarinen J, Lin TH, Sato T, Yao Z, Goodman SB. Interaction of Materials and Biology in Total Joint Replacement - Successes, Challenges and Future Directions. J Mater Chem B 2014; 2:7094-7108. [PMID: 25541591 PMCID: PMC4273175 DOI: 10.1039/c4tb01005a] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Total joint replacement (TJR) has revolutionized the treatment of end-stage arthritic disorders. This success is due, in large part, to a clear understanding of the important interaction between the artificial implant and the biology of the host. All surgical procedures in which implants are placed in the body evoke an initial inflammatory reaction, which generally subsides over several weeks. Thereafter, a series of homeostatic events occur leading to progressive integration of the implant within bone and the surrounding musculoskeletal tissues. The eventual outcome of the operation is dependent on the characteristics of the implant, the precision of the surgical technique and operative environment, and the biological milieu of the host. If these factors and events are not optimal, adverse events can occur such as the development of chronic inflammation, progressive bone loss due to increased production of degradation products from the implant (periprosthetic osteolysis), implant loosening or infection. These complications can lead to chronic pain and poor function of the joint reconstruction, and may necessitate revision surgery or removal of the prosthesis entirely. Recent advances in engineering, materials science, and the immunological aspects associated with orthopaedic implants have fostered intense research with the hope that joint replacements will last a lifetime, and facilitate pain-free, normal function.
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Affiliation(s)
- J Pajarinen
- Department of Orthopaedic Surgery, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
| | - T-H Lin
- Department of Orthopaedic Surgery, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
| | - T Sato
- Department of Orthopaedic Surgery, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
| | - Z Yao
- Department of Orthopaedic Surgery, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
| | - S B Goodman
- Department of Orthopaedic Surgery, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
- Department of Bioengineering, Orthopaedic Surgery Laboratories, Stanford University, Stanford, CA, USA
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Utzschneider S, Lorber V, Dedic M, Paulus AC, Schröder C, Gottschalk O, Schmitt-Sody M, Jansson V. Biological activity and migration of wear particles in the knee joint: an in vivo comparison of six different polyethylene materials. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2014; 25:1599-1612. [PMID: 24562818 DOI: 10.1007/s10856-014-5176-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2013] [Accepted: 02/10/2014] [Indexed: 06/03/2023]
Abstract
Wear of polyethylene causes loosening of joint prostheses because of the particle mediated activity of the host tissue. It was hypothesized that conventional and crosslinked polyethylene particles lead to similar biological effects around the knee joint in vivo as well as to a similar particle distribution in the surrounding tissues. To verify these hypotheses, particle suspensions of six different polyethylene materials were injected into knee joints of Balb/C mice and intravital microscopic, histological and immunohistochemical evaluations were done after 1 week. Whereas the biological effects on the synovial layer and the subchondral bone of femur and tibia were similar for all the polyethylenes, two crosslinked materials showed an elevated cytokine expression in the articular cartilage. Furthermore, the distribution of particles around the joint was dependent on the injected polyethylene material. Those crosslinked particles, which remained mainly in the joint space, showed an increased expression of TNF-alpha in articular cartilage. The data of this study support the use of crosslinked polyethylene in total knee arthroplasty. In contrast, the presence of certain crosslinked wear particles in the joint space can lead to an elevated inflammatory reaction in the remaining cartilage, which challenges the potential use of those crosslinked polyethylenes for unicondylar knee prostheses.
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Affiliation(s)
- S Utzschneider
- Department of Orthopedic Surgery, University Hospital of Munich (LMU), Campus Großhadern, Marchioninistraße 15, 81377, Munich, Germany,
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Orthopaedic implant failure: aseptic implant loosening–the contribution and future challenges of mouse models in translational research. Clin Sci (Lond) 2014; 127:277-93. [DOI: 10.1042/cs20130338] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Aseptic loosening as a result of wear debris is considered to be the main cause of long-term implant failure in orthopaedic surgery and improved biomaterials for bearing surfaces decreases significantly the release of micrometric wear particles. Increasingly, in-depth knowledge of osteoimmunology highlights the role of nanoparticles and ions released from some of these new bearing couples, opening up a new era in the comprehension of aseptic loosening. Mouse models have been essential in the progress made in the early comprehension of pathophysiology and in testing new therapeutic agents for particle-induced osteolysis. However, despite this encouraging progress, there is still no valid clinical alternative to revision surgery. The present review provides an update of the most commonly used bearing couples, the current concepts regarding particle–cell interactions and the approaches used to study the biology of periprosthetic osteolysis. It also discusses the contribution and future challenges of mouse models for successful translation of the preclinical progress into clinical applications.
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Unger RE, Peters K, Sartoris A, Freese C, Kirkpatrick CJ. Human endothelial cell-based assay for endotoxin as sensitive as the conventional Limulus Amebocyte Lysate assay. Biomaterials 2014; 35:3180-7. [DOI: 10.1016/j.biomaterials.2013.12.059] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Accepted: 12/19/2013] [Indexed: 01/04/2023]
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Lin TH, Tamaki Y, Pajarinen J, Waters HA, Woo DK, Yao Z, Goodman SB. Chronic inflammation in biomaterial-induced periprosthetic osteolysis: NF-κB as a therapeutic target. Acta Biomater 2014; 10:1-10. [PMID: 24090989 DOI: 10.1016/j.actbio.2013.09.034] [Citation(s) in RCA: 142] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 09/23/2013] [Accepted: 09/24/2013] [Indexed: 02/08/2023]
Abstract
Biomaterial-induced tissue responses in patients with total joint replacement are associated with the generation of wear particles, which may lead to chronic inflammation and local bone destruction (periprosthetic osteolysis). Inflammatory reactions associated with wear particles are mediated by several important signaling pathways, the most important of which involves the transcription factor NF-κB. NF-κB activation is essential for macrophage recruitment and maturation, as well as the production of pro-inflammatory cytokines and chemokines such as TNF-α, IL-1β, IL-6 and MCP1. In addition, NF-κB activation contributes to osteoclast differentiation and maturation via RANK/RANKL signaling, which increases bone destruction and reduces bone formation. Targeting individual downstream cytokines directly (such as TNF-α or IL-1β) may not effectively prevent wear particle induced osteolysis. A more logical upstream therapeutic approach may be provided by direct modulation of the core IκB/IKKα/β/NF-κB signaling pathway in the local environment. However, the timing, dose and strategy for administration should be considered. Suppression of chronic inflammation via inhibition of NF-κB activity in patients with malfunctioning joint replacements may be an effective strategy to mitigate wear particle induced periprosthetic osteolysis.
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Affiliation(s)
- Tzu-hua Lin
- Department of Orthopaedic Surgery, Stanford University, Stanford, CA, USA
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