1
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Zheng H, Liu J, Sun L, Meng Z. The role of N-acetylcysteine in osteogenic microenvironment for bone tissue engineering. Front Cell Dev Biol 2024; 12:1435125. [PMID: 39055649 PMCID: PMC11269162 DOI: 10.3389/fcell.2024.1435125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2024] [Accepted: 06/27/2024] [Indexed: 07/27/2024] Open
Abstract
Bone defect is a common clinical symptom which can arise from various causes. Currently, bone tissue engineering has demonstrated positive therapeutic effects for bone defect repair by using seeding cells such as mesenchymal stem cells and precursor cells. N-acetylcysteine (NAC) is a stable, safe and highly bioavailable antioxidant that shows promising prospects in bone tissue engineering due to the ability to attenuate oxidative stress and enhance the osteogenic potential and immune regulatory function of cells. This review systematically introduces the antioxidant mechanism of NAC, analyzes the advancements in NAC-related research involving mesenchymal stem cells, precursor cells, innate immune cells and animal models, discusses its function using the classic oral microenvironment as an example, and places particular emphasis on the innovative applications of NAC-modified tissue engineering biomaterials. Finally, current limitations and future prospects are proposed, with the aim of providing inspiration for targeted readers in the field.
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Affiliation(s)
- Haowen Zheng
- School of Dentistry, Tianjin Medical University, Tianjin, China
| | - Jiacheng Liu
- School of Dentistry, Tianjin Medical University, Tianjin, China
- Department of Prosthodontics, Tianjin Medical University School and Hospital of Stomatology, Tianjin, China
| | - Lanxin Sun
- School of Dentistry, Tianjin Medical University, Tianjin, China
| | - Zhaosong Meng
- Department of Oral and Maxillofacial Surgery, Tianjin Medical University School and Hospital of Stomatology, Tianjin, China
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2
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Xiao B, Adjei-Sowah E, Benoit DSW. Integrating osteoimmunology and nanoparticle-based drug delivery systems for enhanced fracture healing. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2024; 56:102727. [PMID: 38056586 PMCID: PMC10872334 DOI: 10.1016/j.nano.2023.102727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 10/23/2023] [Accepted: 11/27/2023] [Indexed: 12/08/2023]
Abstract
Fracture healing is a complex interplay of molecular and cellular mechanisms lasting from days to weeks. The inflammatory phase is the first stage of fracture healing and is critical in setting the stage for successful healing. There has been growing interest in exploring the role of the immune system and novel therapeutic strategies, such as nanoparticle drug delivery systems in enhancing fracture healing. Advancements in nanotechnology have revolutionized drug delivery systems to the extent that they can modulate immune response during fracture healing by leveraging unique physiochemical properties. Therefore, understanding the intricate interactions between nanoparticle-based drug delivery systems and the immune response, specifically macrophages, is essential for therapeutic efficacy. This review provides a comprehensive overview of the relationship between the immune system and nanoparticles during fracture healing. Specifically, we highlight the influence of nanoparticle characteristics, such as size, surface properties, and composition, on macrophage activation, polarization, and subsequent immune responses. IMPACT STATEMENT: This review provides valuable insights into the interplay between fracture healing, the immune system, and nanoparticle-based drug delivery systems. Understanding nanoparticle-macrophage interactions can advance the development of innovative therapeutic approaches to enhance fracture healing, improve patient outcomes, and pave the way for advancements in regenerative medicine.
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Affiliation(s)
- Baixue Xiao
- Department of Biomedical Engineering, University of Rochester, Rochester, NY 14623, USA; Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY 14623, USA
| | - Emmanuela Adjei-Sowah
- Department of Biomedical Engineering, University of Rochester, Rochester, NY 14623, USA; Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY 14623, USA
| | - Danielle S W Benoit
- Department of Biomedical Engineering, University of Rochester, Rochester, NY 14623, USA; Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY 14623, USA; Department of Chemical Engineering, University of Rochester, Rochester, NY 14623, USA; Materials Science Program, University of Rochester, Rochester, NY 14623, USA; Department of Bioengineering, Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR 97403, USA.
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3
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Wei F, Mu Y, Tan RP, Wise SG, Bilek MM, Zhou Y, Xiao Y. Osteo-Immunomodulatory Role of Interleukin-4-Immobilized Plasma Immersion Ion Implantation Membranes for Bone Regeneration. ACS APPLIED MATERIALS & INTERFACES 2023; 15:2590-2601. [PMID: 36607242 DOI: 10.1021/acsami.2c17005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Barrier membranes for guided tissue regeneration are essential for bone repair and regeneration. The implanted membranes may trigger early inflammatory responses as a foreign material, which can affect the recruitment and differentiation of bone cells during tissue regeneration. The purpose of this study was to determine whether immobilizing interleukin 4 (IL4) on plasma immersion ion implantation (PIII)-activated surfaces may alter the osteo-immunoregulatory characteristics of the membranes and produce pro-osteogenic effects. In order to immobilize IL4, polycaprolactone surfaces were modified using the PIII technology. No discernible alterations were found between the morphology before and after PIII treatment or IL4 immobilization. IL4-immobilized PIII surfaces polarized macrophages to an M2 phenotype and mitigated inflammatory cytokine production under lipopolysaccharide stimulation. Interestingly, the co-culture of macrophages (on IL4-immobilized PIII surfaces) and bone marrow-derived mesenchymal stromal cells enhanced the production of angiogenic and osteogenic factors and triggered autophagy activation. Exosomes produced by PIII + IL4-stimulated macrophages were also found to play a role in osteoblast differentiation. In conclusion, the osteo-immunoregulatory properties of bone materials can be modified by PIII-assisted IL4 immobilization, creating a favorable osteoimmune milieu for bone regeneration.
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Affiliation(s)
- Fei Wei
- School of Mechanical, Medical and Process Engineering, Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Queensland 4000, Australia
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, Queensland 4000, Australia
| | - Yuqing Mu
- School of Mechanical, Medical and Process Engineering, Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Queensland 4000, Australia
- School of Dentistry, Faculty of Health and Behavioural Sciences, The University of Queensland, Brisbane, Queensland 4006, Australia
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, Queensland 4000, Australia
| | - Richard P Tan
- School of Medical Sciences, Faculty of Health and Medicine, The University of Sydney, Camperdown, New South Wales 2006, Australia
- Charles Perkins Centre, The University of Sydney, Camperdown, New South Wales 2006, Australia
| | - Steven G Wise
- School of Medical Sciences, Faculty of Health and Medicine, The University of Sydney, Camperdown, New South Wales 2006, Australia
- Charles Perkins Centre, The University of Sydney, Camperdown, New South Wales 2006, Australia
- Sydney Nano Institute, The University of Sydney, Camperdown, New South Wales 2006, Australia
| | - Marcela M Bilek
- Charles Perkins Centre, The University of Sydney, Camperdown, New South Wales 2006, Australia
- Sydney Nano Institute, The University of Sydney, Camperdown, New South Wales 2006, Australia
- School of Physics, The University of Sydney, Camperdown, New South Wales 2006, Australia
- School of Biomedical Engineering, The University of Sydney, Camperdown, New South Wales 2006, Australia
| | - Yinghong Zhou
- School of Mechanical, Medical and Process Engineering, Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Queensland 4000, Australia
- School of Dentistry, Faculty of Health and Behavioural Sciences, The University of Queensland, Brisbane, Queensland 4006, Australia
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, Queensland 4000, Australia
| | - Yin Xiao
- School of Mechanical, Medical and Process Engineering, Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, Queensland 4000, Australia
- The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, Queensland 4000, Australia
- School of Medicine and Dentistry, Griffith University, Southport, Queensland 4222, Australia
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4
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Lončar SR, Halcrow SE, Swales D. Osteoimmunology: The effect of autoimmunity on fracture healing and skeletal analysis. Forensic Sci Int Synerg 2023; 6:100326. [PMID: 37091290 PMCID: PMC10120377 DOI: 10.1016/j.fsisyn.2023.100326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 02/27/2023] [Accepted: 03/08/2023] [Indexed: 04/25/2023]
Abstract
Understanding factors that affect bone response to trauma is integral to forensic skeletal analysis. It is essential in forensic anthropology to identify if impaired fracture healing impacts assessment of post-traumatic time intervals and whether a correction factor is required. This paper presents a synthetic review of the intersection of the literature on the immune system, bone biology, and osteoimmunological research to present a novel model of interactions that may affect fracture healing under autoimmune conditions. Results suggest that autoimmunity likely impacts fracture healing, the pathogenesis however, is under researched, but likely multifactorial. With autoimmune diseases being relatively common, significant clinical history should be incorporated when assessing skeletal remains. Future research includes the true natural healing rate of bone; effect of autoimmunity on this rate; variation of healing with different autoimmune diseases; and if necessary, development of a correction factor on the natural healing rate to account for impairment in autoimmunity.
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Affiliation(s)
- Stephie R. Lončar
- Centre for Anatomy and Human Identification, School of Science and Engineering, University of Dundee, Scotland, United Kingdom
- Department of Anatomy, University of Otago, New Zealand
- Corresponding author. Centre for Anatomy and Human Identification School of Science and Engineering, MSI/WTB Complex, University of Dundee, Dow Street, Dundee, DD1 5EH, Scotland, United Kingdom.
| | - Siân E. Halcrow
- Department of Anatomy, University of Otago, New Zealand
- Corresponding author. Biological Anthropology Research Group, Department of Anatomy, 270 Great King Street, University of Otago, Dunedin, 9016, New Zealand.
| | - Diana Swales
- Centre for Anatomy and Human Identification, School of Science and Engineering, University of Dundee, Scotland, United Kingdom
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5
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Engineered extracellular vesicles: Regulating the crosstalk between the skeleton and immune system. ENGINEERED REGENERATION 2022. [DOI: 10.1016/j.engreg.2022.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
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6
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Lu H, Zhang Y, Xiong S, Zhou Y, Xiao L, Ma Y, Xiao Y, Wang X. Modulatory Role of Silver Nanoparticles and Mesenchymal Stem Cell-Derived Exosome-Modified Barrier Membrane on Macrophages and Osteogenesis. Front Chem 2021; 9:699802. [PMID: 34409016 PMCID: PMC8365089 DOI: 10.3389/fchem.2021.699802] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 06/29/2021] [Indexed: 01/07/2023] Open
Abstract
Background: As a wound dressing and barrier membrane, surface modification of polycaprolactone (PCL) is needed in order to achieve better biological activities. Exosomes derived from mesenchymal stem cells (MSCs) hold significant tissue regeneration promise. Silver nanoparticles (Ag) have been suggested as the surface modification technique for various medical devices. Materials and Methods: Ag and human bone marrow MSC (hBMSC)-derived exosomes (MSCs-exo) were used to modify the PCL scaffold. The impact of different scaffolds on immune cells and MSC proliferation and differentiation was further evaluated. Results: MSCs-exo exhibited cup-shaped morphology with a diameter around 100 nm. MSCs-exo were enriched with exosome marker CD81 and showed good internalization into recipient cells. 200 ng/ml Ag nanoparticles and MSCs-exo were further used to modify the PCL scaffold. The internalization study further indicated a similar releasing pattern of exosomes from Ag/MSCs-exo hybrid scaffolds into RAW264.7 and hBMSCs at 12 and 24 h, respectively. Macrophages play an important role during different stages of bone regeneration. The MTT and confocal microscopy study demonstrated no significant toxicity of exosome and/or Ag hybrid scaffolds for macrophages and MSCs. Inflammatory macrophages were further used to mimic the inflammatory environment. A mixed population of elongated and round morphology was noted in the exosome and Ag hybrid group, in which the proinflammatory genes and secretion of IL-6 and TNF-α were significantly reduced. In addition, the exosome and Ag hybrid scaffolds could significantly boost the osteogenic differentiation of hBMSCs. Discussion: This study highlights the possibility of using Ag nanoparticles and MSCs-exo to modify the PCL scaffold, thus providing new insight into the development of the novel immunomodulatory biomembrane.
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Affiliation(s)
- Haiping Lu
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yi Zhang
- Department of Hygiene Toxicology, School of Public Health, Zunyi Medical University, Zunyi, China
| | - Shan Xiong
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yinghong Zhou
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.,The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, QLD, Australia
| | - Lan Xiao
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.,The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, QLD, Australia
| | - Yaping Ma
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China
| | - Yin Xiao
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.,The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, QLD, Australia
| | - Xin Wang
- Department of Orthopaedic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi, China.,Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.,The Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Brisbane, QLD, Australia
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7
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Wei F, Neal CJ, Sakthivel TS, Kean T, Seal S, Coathup MJ. Multi-functional cerium oxide nanoparticles regulate inflammation and enhance osteogenesis. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 124:112041. [PMID: 33947541 DOI: 10.1016/j.msec.2021.112041] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 03/02/2021] [Accepted: 03/16/2021] [Indexed: 11/24/2022]
Abstract
Oxidative stress increases bone loss and limits repair, in part, through immunoregulation and the formation and maintenance of low-grade chronic inflammation. The aim of this study was to investigate the effect of cerium oxide nanoparticles (CeONPs) on (i) macrophage phenotype and cytokine expression under normal and simulated acute and chronic inflammatory conditions and, (ii) human mesenchymal stem cell (hBMSCs) proliferation, osteoinduction and osteogenic differentiation. Spherical particles composed of 60% Ce3+ with a hydrodynamic size of ~35 nm and surface charge of 25.4 mV were internalized within cells. Under both acute and chronic conditions, inducible nitric oxide synthase (iNOS) activity decreased with a significant reduction seen in the 1 and 10 μg/mL groups (p < 0.001). A dose dependent and significant increase in anti-inflammatory cytokine gene expression was observed in all CeONP groups under chronic inflammatory condition. No increase in alkaline phosphatase (ALP) activity or mineral deposits were measured following hBMSCs cultured without osteogenic media in any of the CeONP groups, however, a significant increase in osteogenic-related gene expression, ALP activity and bone mineral deposits was measured when supplemented with both CeONPs and osteogenic media. CeONP activity was multifaceted and exhibited low toxicity. A therapeutic dose of 1 μg/mL delivered a disparate but protective effect when under both acute and chronic inflammatory conditions while at the same dose, potentiated osteogenesis.
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Affiliation(s)
- Fei Wei
- Biionix Cluster, Department of Internal Medicine, College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Craig J Neal
- Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC), Materials Science and Engineering, College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Tamil Selvan Sakthivel
- Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC), Materials Science and Engineering, College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Thomas Kean
- Biionix Cluster, Department of Internal Medicine, College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Sudipta Seal
- Biionix Cluster, Department of Internal Medicine, College of Medicine, University of Central Florida, Orlando, FL, USA; Advanced Materials Processing and Analysis Centre, Nanoscience Technology Center (NSTC), Materials Science and Engineering, College of Medicine, University of Central Florida, Orlando, FL, USA
| | - Melanie J Coathup
- Biionix Cluster, Department of Internal Medicine, College of Medicine, University of Central Florida, Orlando, FL, USA.
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8
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Ouyang L, Cao J, Dai Q, Qiu D. New insight of immuno-engineering in osteoimmunomodulation for bone regeneration. Regen Ther 2021; 18:24-29. [PMID: 33778136 PMCID: PMC7985270 DOI: 10.1016/j.reth.2021.03.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Revised: 02/28/2021] [Accepted: 03/02/2021] [Indexed: 12/14/2022] Open
Abstract
With the continuous development of bone tissue engineering, the importance of immune response in bone tissue regeneration is gradually recognized. The new bone tissue engineering products should possess immunoregulatory functions, harmonizing the interactions between the bone's immune defense and regeneration systems, and promoting tissue regeneration. This article will interpret the relationship between the bone immune system, bone tissue regeneration, as well as the immunoregulatory function of bone biomaterials and seed stem cells in bone tissue engineering. This review locates arears for foucusing efforts at providing novel designs ideas about the development of immune-mediation targeted bone tissue engineering products and the evaluation strategy for the osteoimmunomodulation property of bone biomaterials.
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Affiliation(s)
- Long Ouyang
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jiankun Cao
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Qiang Dai
- Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Daojing Qiu
- Department of Orthopedics, Beijing Tongren Hospital, Capital Medical University, Beijing, China
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9
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Bai L, Zhao Y, Chen P, Zhang X, Huang X, Du Z, Crawford R, Yao X, Tang B, Hang R, Xiao Y. Targeting Early Healing Phase with Titania Nanotube Arrays on Tunable Diameters to Accelerate Bone Regeneration and Osseointegration. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2006287. [PMID: 33377275 DOI: 10.1002/smll.202006287] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/16/2020] [Indexed: 06/12/2023]
Abstract
Blood coagulation and inflammation are the earliest biological responses to implant surfaces. Implant nano-surfaces can significantly impact the osseointegration through the influence on the early phase of bone regeneration. However, the interplay between blood clot property and inflammatory reaction on nanosurfaces is rarely understood. Herein, titania nanotube arrays (TNAs) with different diameters are fabricated on titanium. In vitro evaluation with the whole blood indicates that TNA with a diameter of 15 nm (TNA 15) enables noteworthy platelet activation resulting in distinct clot features compared with that of pure Ti and TNA with a diameter of 120 nm (TNA 120). Further co-culture with macrophages on the clot or in the clot-conditioned medium shows that the clot on TNA 15 downregulates the inflammation and manipulates a favorable osteoimmunomodulatory environment for osteogenesis. In vivo studies further demonstrate that TNA 15 could downregulate the inflammation-related genes while upregulating growth metabolism-related genes in an early healing hematoma. Additionally, TNA 15 promotes de novo bone formation with improved extending of osteocyte dendrites, demonstrating the desired osseointegration. These findings indicate that surface nano-dimensions can significantly influence clot formation and appropriate clot features can manipulate a favorable osteoimmunomodulatory environment for bone regeneration and osseointegration.
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Affiliation(s)
- Long Bai
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, 4059, Australia
- Laboratory of Biomaterial Surfaces & Interfaces, Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan, 10112, China
- Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, 4059, Australia
| | - Ya Zhao
- Laboratory of Biomaterial Surfaces & Interfaces, Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan, 10112, China
| | - Peiru Chen
- State Key Laboratory of Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Institute of Lifeomics, Beijing, 102206, China
| | - Xiangyu Zhang
- Laboratory of Biomaterial Surfaces & Interfaces, Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan, 10112, China
| | - Xiaobo Huang
- Laboratory of Biomaterial Surfaces & Interfaces, Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan, 10112, China
| | - Zhibin Du
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, 4059, Australia
- Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, 4059, Australia
| | - Ross Crawford
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, 4059, Australia
- Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, 4059, Australia
| | - Xiaohong Yao
- Laboratory of Biomaterial Surfaces & Interfaces, Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan, 10112, China
| | - Bin Tang
- Laboratory of Biomaterial Surfaces & Interfaces, Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan, 10112, China
| | - Ruiqiang Hang
- Laboratory of Biomaterial Surfaces & Interfaces, Institute of New Carbon Materials, Taiyuan University of Technology, Taiyuan, 10112, China
| | - Yin Xiao
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, 4059, Australia
- Australia-China Centre for Tissue Engineering and Regenerative Medicine (ACCTERM), Queensland University of Technology, Brisbane, 4059, Australia
- Key Laboratory of Oral Medicine, Guangzhou Institute of Oral Disease, Stomatology Hospital of Guangzhou Medical University, Guangzhou, 510140, China
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10
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Mensah KA, Chen JW, Schickel JN, Isnardi I, Yamakawa N, Vega-Loza A, Anolik JH, Gatti RA, Gelfand EW, Montgomery RR, Horowitz MC, Craft JE, Meffre E. Impaired ATM activation in B cells is associated with bone resorption in rheumatoid arthritis. Sci Transl Med 2020; 11:11/519/eaaw4626. [PMID: 31748230 DOI: 10.1126/scitranslmed.aaw4626] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 10/22/2019] [Indexed: 12/21/2022]
Abstract
Patients with rheumatoid arthritis (RA) may display atypical CD21-/lo B cells in their blood, but the implication of this observation remains unclear. We report here that the group of patients with RA and elevated frequencies of CD21-/lo B cells shows decreased ataxia telangiectasia-mutated (ATM) expression and activation in B cells compared with other patients with RA and healthy donor controls. In agreement with ATM involvement in the regulation of V(D)J recombination, patients with RA who show defective ATM function displayed a skewed B cell receptor (BCR) Igκ repertoire, which resembled that of patients with ataxia telangiectasia (AT). This repertoire was characterized by increased Jκ1 and decreased upstream Vκ gene segment usage, suggesting improper secondary recombination processes and selection. In addition, altered ATM function in B cells was associated with decreased osteoprotegerin and increased receptor activator of nuclear factor κB ligand (RANKL) production. These changes favor bone loss and correlated with a higher prevalence of erosive disease in patients with RA who show impaired ATM function. Using a humanized mouse model, we also show that ATM inhibition in vivo induces an altered Igκ repertoire and RANKL production by immature B cells in the bone marrow, leading to decreased bone density. We conclude that dysregulated ATM function in B cells promotes bone erosion and the emergence of circulating CD21-/lo B cells, thereby contributing to RA pathophysiology.
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Affiliation(s)
- Kofi A Mensah
- Section of Rheumatology, Allergy, and Clinical Immunology, Yale University School of Medicine, New Haven, CT 06511, USA.,Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06511, USA
| | - Jeff W Chen
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06511, USA
| | - Jean-Nicolas Schickel
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06511, USA
| | | | - Natsuko Yamakawa
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06511, USA
| | - Andrea Vega-Loza
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06511, USA
| | - Jennifer H Anolik
- Division of Rheumatology, Allergy, and Immunology, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Richard A Gatti
- Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Erwin W Gelfand
- Department of Pediatrics, National Jewish Health, University of Colorado, Denver, CO 80113, USA
| | - Ruth R Montgomery
- Section of Rheumatology, Allergy, and Clinical Immunology, Yale University School of Medicine, New Haven, CT 06511, USA
| | - Mark C Horowitz
- Department of Orthopaedics and Rehabilitation, Yale University School of Medicine, New Haven, CT 06511, USA
| | - Joe E Craft
- Section of Rheumatology, Allergy, and Clinical Immunology, Yale University School of Medicine, New Haven, CT 06511, USA.,Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06511, USA
| | - Eric Meffre
- Section of Rheumatology, Allergy, and Clinical Immunology, Yale University School of Medicine, New Haven, CT 06511, USA. .,Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06511, USA
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11
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Almeida AR, Bessa-Gonçalves M, Vasconcelos DM, Barbosa MA, Santos SG. Osteoclasts degrade fibrinogen scaffolds and induce mesenchymal stem/stromal osteogenic differentiation. J Biomed Mater Res A 2019; 108:851-862. [PMID: 31845492 DOI: 10.1002/jbm.a.36863] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Accepted: 12/11/2019] [Indexed: 12/17/2022]
Abstract
Fibrinogen (Fg) is a pro-inflammatory protein with pro-healing properties. Previous work showed that fibrinogen 3D scaffolds (Fg-3D) promote bone regeneration, but the cellular players were not identified. Osteoclasts are bone resorbing cells that promote bone remodeling in close crosstalk with osteoblasts. Herein, the capacity of osteoclasts differentiated on Fg-3D to degrade the scaffolds and promote osteoblast differentiation was evaluated in vitro. Fg-3D scaffolds were prepared by freeze-drying and osteoclasts were differentiated from primary human peripheral blood monocytes. Results obtained showed osteoclasts expressing the enzymes cathepsin K and tartrate resistant acid phosphatase colonizing Fg-3D scaffolds. Osteoclasts were able to significantly degrade Fg-3D, reducing the scaffold's area, and increasing D-dimer concentration, a Fg degradation product, in their culture media. Osteoclast conditioned media from the first week of differentiation promoted significantly stronger human primary mesenchymal stem/stromal cell (MSC) osteogenic differentiation, evaluated by alkaline phosphatase activity. Moreover, week 1 osteoclast conditioned media promoted earlier MSC osteogenic differentiation, than chemical osteogenesis inductors. TGF-β1 was found increased in osteoclast conditioned media from week 1, when compared to week 3 of differentiation. Taken together, our results suggest that osteoclasts are able to differentiate and degrade Fg-3D, producing factors like TGF-β1 that promote MSC osteogenic differentiation.
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Affiliation(s)
- Ana R Almeida
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal.,INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.,ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
| | - Mafalda Bessa-Gonçalves
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal.,INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.,ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
| | - Daniel M Vasconcelos
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal.,INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.,ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
| | - Mário A Barbosa
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal.,INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.,ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
| | - Susana G Santos
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto 4200-135, Portugal.,INEB - Instituto de Engenharia Biomédica, Universidade do Porto, Porto 4200-135, Portugal.,ICBAS - Instituto Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto 4050-313, Portugal
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Serum C-C Motif Ligand 11/eotaxin-1 May Serve as a Candidate Biomarker for Postmenopausal Osteoporosis. J Med Biochem 2019; 38:353-360. [PMID: 31156346 PMCID: PMC6534958 DOI: 10.2478/jomb-2018-0042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Accepted: 11/03/2018] [Indexed: 12/31/2022] Open
Abstract
Background The chemokine C-C motif ligand 11, also known as eotaxin-1, has been identified as a novel mediator of inflammatory bone resorption. However, little is known regarding a potential role for CCL11/Eotaxin-1 in postmenopausal osteoporosis. Objective The scope of this study was to explore the relationship between serum CCL11/Eotaxin-1 concentrations and disease progression of postmenopausal females with osteoporosis. Methods A total of 83 postmenopausal women diagnosed with osteoporosis were enrolled. Meanwhile, 82 postmenopausal women with normal bone mineral density (BMD) and 85 healthy controls inner child-bearing age were enrolled as control. The Dual-energy X-ray absorptiometry was used to examine the BMDs at the femoral neck, lumbar spine 1-4 and total hip of all participants. Serum CCL11/Eotaxin-1 levels were examined by enzyme-linked immunosorbent assay. We also included inflammation marker interleukin-6 (IL-6) as well as a serum marker of bone resorption C-telopeptide cross-linked collagen type 1 (CTX-1). The Visual Analogue Scale (VAS) and Oswestry Disability Index (ODI) were recorded to evaluate the clinical severity in POMP females. Results Serum CCL11/Eotaxin-1 levels were significantly elevated in postmenopausal osteoporotic patients PMOP patients compared with PMNOP and healthy controls. We observed a significant negative correlation of serum CCL11/Eotaxin-1 levels with lumbar spine, femoral neck and total hip BMD. Furthermore, serum CCL11/ Eotaxin-1 concentrations were also positively related to the VAS and ODI scores. Last, serum CCL11/ Eotaxin-1 concentrations were positively associated with IL-6 and CTX-1 levels. These correlations remain significant after adjusting for age and BMI. Multivariate linear regression analysis demonstrated that CCL11/Eotaxin-1 could serve as an independent marker. Conclusions Serum CCL 11/Eotaxin-1 may serve as a candidate biomarker for postmenopausal osteoporosis. Therapeutics targeting CCL11/Eotaxin-1 and its related signalling way to prevent and slow progression of PMOP deserve further study.
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Wei F, Xiao Y. Modulation of the Osteoimmune Environment in the Development of Biomaterials for Osteogenesis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1077:69-86. [DOI: 10.1007/978-981-13-0947-2_5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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You M, Li K, Xie Y, Huang L, Zheng X. The Effects of Cerium Valence States at Cerium Oxide Coatings on the Responses of Bone Mesenchymal Stem Cells and Macrophages. Biol Trace Elem Res 2017; 179:259-270. [PMID: 28229387 DOI: 10.1007/s12011-017-0968-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 02/13/2017] [Indexed: 12/11/2022]
Abstract
Ideal orthopedic coatings should trigger good osteogenic response and limited inflammatory response. The cerium valence states in ceria are associated with their anti-oxidative activity and anti-inflammatory property. In the study, we prepared two kinds of plasma sprayed CeO2 coatings with different Ce4+ concentrations to investigate the effects of Ce valence states on the response of bone mesenchymal stem cells (BMSCs) and macrophage RAW264.7. Both the coatings (CeO2-A and CeO2-B) were characterized via XRD, SEM, and X-ray photoelectron spectroscopy. The CeO2 coatings enhanced osteogenic behaviors of BMSCs in terms of cellular proliferation, alkaline phosphatase (ALP) activity and calcium deposition activity in comparison with the Ti substrate. In particular, the CeO2-B coating (higher Ce4+ concentration) elicited greater effects than the CeO2-A coating (higher Ce3+ concentration). RT-PCR and western blot results suggested that the CeO2-B coating promoted BMSCs osteogenic differentiation through the SMAD-dependent BMP signaling pathway, which activated Runx2 expression and subsequently enhanced the expression of ALP and OCN. With respect to either CeO2-A coating or Ti substrate, the CeO2-B coating exerted greater effects on the macrophages, increasing the anti-inflammatory cytokines (IL-10 and IL-1ra) expression and suppressing the expression of the pro-inflammatory cytokines (TNF-α and IL-6) and ROS production. Furthermore, it also upregulated the expression of osteoinductive molecules (TGF-β1 and BMP2) in the macrophages. The regulation of cerium valence states at plasma sprayed ceria coatings can be a valuable strategy to improve osteogenic properties and alleviate inflammatory response.
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Affiliation(s)
- Mingyu You
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, People's Republic of China
- University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing, 100049, People's Republic of China
| | - Kai Li
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, People's Republic of China.
| | - Youtao Xie
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, People's Republic of China
| | - Liping Huang
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, People's Republic of China
| | - Xuebin Zheng
- Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, People's Republic of China.
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Impact of resveratrol on bone repair in rats exposed to cigarette smoke inhalation: histomorphometric and bone-related gene expression analysis. Int J Oral Maxillofac Surg 2017; 47:541-548. [PMID: 28927744 DOI: 10.1016/j.ijom.2017.08.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 08/10/2017] [Accepted: 08/14/2017] [Indexed: 02/03/2023]
Abstract
This study investigated the effect of resveratrol on bone healing and its influence on the gene expression of bone-related markers in rats exposed to cigarette smoke. Two calvarial defects were created in each of 60 rats, which were assigned equally (n=20) to three groups: (1) resveratrol (10mg/kg)+smoke exposure (SMK+RESV); (2) placebo+smoke exposure (SMK+PLA); or (3) placebo+no smoke exposure (NS+PLA). Substances were administered daily for 30days following surgery. Smoke inhalation was started 7days before surgery and continued for 30days after surgery. One defect was processed for histomorphometric analysis and the other was used for mRNA quantification of bone-related gene expression by qPCR. The remaining defect was smaller in the SMK+RESV (2.27±0.61mm, P=0.0003) and NS+PLA (2.17±0.74mm, P=0.0005) groups than in the SMK+PLA group (3.12±0.47mm). Higher levels of Runx2 were observed in the NS+PLA group than in the smoke exposure groups (vs. SMK+PLA, P=0002; vs. SMK+RESV, P=0.052); levels of Lrp-5 were also higher in the no smoke exposure group (vs. SMK+RESV, P=0.009; vs. SMK+PLA, P=0.003). Resveratrol therapy decreased RANKL/OPG expression when compared to placebo (SMK+RESV vs. SMK+PLA, P=0.017). Dkk1 levels were decreased in the SMK+RESV group when compared to the SMK+PLA (P=0.006) and NS+PLA groups (P=0.005). In conclusion, resveratrol optimizes the repair of critical-sized bone defects, up-regulating the gene expression of important bone remodelling markers in rats exposed to cigarette smoke inhalation.
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Ginaldi L, De Martinis M. Osteoimmunology and Beyond. Curr Med Chem 2017; 23:3754-3774. [PMID: 27604089 PMCID: PMC5204071 DOI: 10.2174/0929867323666160907162546] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 09/02/2016] [Accepted: 09/06/2016] [Indexed: 12/27/2022]
Abstract
Abstract: Objective Osteoimmunology investigates interactions between skeleton and immune system. In the light of recent discoveries in this field, a new reading register of osteoporosis is actually emerging, in which bone and immune cells are strictly interconnected. Osteoporosis could therefore be considered a chronic immune mediated disease which shares with other age related disorders a common inflammatory background. Here, we highlight these recent discoveries and the new landscape that is emerging. Method Extensive literature search in PubMed central. Results While the inflammatory nature of osteoporosis has been clearly recognized, other interesting aspects of osteoimmunology are currently emerging. In addition, mounting evidence indicates that the immunoskeletal interface is involved in the regulation of important body functions beyond bone remodeling. Bone cells take part with cells of the immune system in various immunological functions, configuring a real expanded immune system, and are therefore variously involved not only as target but also as main actors in various pathological conditions affecting primarily the immune system, such as autoimmunity and immune deficiencies, as well as in aging, menopause and other diseases sharing an inflammatory background. Conclusion The review highlights the complexity of interwoven pathways and shared mechanisms of the crosstalk between the immune and bone systems. More interestingly, the interdisciplinary field of osteoimmunology is now expanding beyond bone and immune cells, defining new homeostatic networks in which other organs and systems are functionally interconnected. Therefore, the correct skeletal integrity maintenance may be also relevant to other functions outside its involvement in bone mineral homeostasis, hemopoiesis and immunity.
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Affiliation(s)
- Lia Ginaldi
- School and Unit of Allergy and Clinical Immunology, Department of Life, Health, & Environmental Sciences, University of L'Aquila, Italy.
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Fisher A, Srikusalanukul W, Fisher L, Smith P. The Neutrophil to Lymphocyte Ratio on Admission and Short-Term Outcomes in Orthogeriatric Patients. Int J Med Sci 2016; 13:588-602. [PMID: 27499691 PMCID: PMC4974907 DOI: 10.7150/ijms.15445] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 06/15/2016] [Indexed: 12/18/2022] Open
Abstract
AIM To investigate the association of the neutrophil to lymphocyte ratio (NLR) at admission with presence of fracture, comorbid conditions, and its prognostic value for short-term outcomes in orthogeriatric patients. METHODS On 415 consecutive patients (mean age 78.8 ±8.7[SD] years, 281 women, 255 with a non-vertebral bone fracture, including 167 with a hip fracture, HF) admitted to the Department of Orthopaedic Surgery at the Canberra hospital (2010 - 2011) data on clinical and laboratory characteristics were collected prospectively. The validation dataset included 294 consecutive patients (mean age 82.1 ± 8.0 years, 72.1% women) with HF. RESULTS Multivariate regression revealed four variables, presence of HF, hypoalbuminaemia (<33g/L), anaemia (<120g/L) and hyperparathyroidism (PTH>6.8 pmol/L), as independent determinants of admission NLR≥5.1. There was a dose-graded relationship between presence of fracture, especially HF, postoperative complications and levels of NLR categorized as tertiles. Compared to patients with NLR<5.1(first tertile), patients with NLR 5.1-8.5 (second tertile) had a 1.8-, 3.1-, 2.6-, and 2.5-fold higher risk for presence of any fracture, HF, developing postoperative myocardial injury (troponin I rise) and a high inflammatory response/infection (CRP>100mg/L after the 3rd postoperative day), respectively, while in subjects with NLR>8.5 (third tertile) these risks were 2.6-, 4.9-, 5.9- and 4.5-times higher, respectively; subjects with NLR>8.5 had a 9.7 times higher chance of dying in the hospital compared to patients with NLR 5.1-8.5; the NLR retained its significance on multivariate analyses. The NLR ≥5.1 predicted postoperative myocardial injury with an area under the curve (AUC) of 0.626, CRP>100mg/L with AUC of 0.631 and the NLR >8.5 predicted in-hospital mortality with an AUC of 0.793, showing moderately high sensitivity (86.7%, 80% and 90%, respectively) and negative predictive value (92.9%, 71.2%, 99.6%, respectively), but low specificity. Admission NLR was superior to other, except hypoalbuminaemia, prognostic markers; combined use of both NLR≥5.1 and albumin<33g/L only moderately increased the accuracy of prediction. The validation study confirmed the prognostic value of the admission NLR. CONCLUSIONS In orthogeriatric patients, high NLR on admission is an independent indicator of fracture presence, a significant risk factor and moderate predictor of postoperative myocardial injury, high inflammatory response/infection and in-hospital death.
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Affiliation(s)
- Alexander Fisher
- Department of Geriatric Medicine, The Canberra Hospital, Canberra, ACT, Australia; Department of Orthopaedic Surgery, The Canberra Hospital, Canberra, ACT, Australia; Australian National University Medical School, Canberra, ACT, Australia
| | | | - Leon Fisher
- Department of Gastroenterology, The Canberra Hospital, Canberra, ACT, Australia
| | - Paul Smith
- Department of Orthopaedic Surgery, The Canberra Hospital, Canberra, ACT, Australia; Australian National University Medical School, Canberra, ACT, Australia
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Jeschke A, Catala-Lehnen P, Sieber S, Bickert T, Schweizer M, Koehne T, Wintges K, Marshall RP, Mautner A, Duchstein L, Otto B, Horst AK, Amling M, Kreienkamp HJ, Schinke T. Sharpin Controls Osteogenic Differentiation of Mesenchymal Bone Marrow Cells. THE JOURNAL OF IMMUNOLOGY 2015; 195:3675-84. [PMID: 26363054 DOI: 10.4049/jimmunol.1402392] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Accepted: 08/11/2015] [Indexed: 01/24/2023]
Abstract
The cytosolic protein Sharpin is a component of the linear ubiquitin chain assembly complex, which regulates NF-κB signaling in response to specific ligands, such as TNF-α. Its inactivating mutation in chronic proliferative dermatitis mutation (Cpdm) mice causes multiorgan inflammation, yet this phenotype is not transferable into wild-type mice by hematopoietic stem cell transfer. Recent evidence demonstrated that Cpdm mice additionally display low bone mass, and that this osteopenia is corrected by Tnf deletion. Because the cellular mechanism underlying this pathology, however, was still undefined, we performed a thorough skeletal phenotyping of Cpdm mice on the basis of nondecalcified histology and cellular and dynamic histomorphometry. We show that the trabecular and cortical osteopenia in Cpdm mice is solely explained by impaired bone formation, whereas osteoclastogenesis is unaffected. Consistently, Cpdm primary calvarial cells display reduced osteogenic capacity ex vivo, and the same was observed with CD11b(-) bone marrow cells. Unexpectedly, short-term treatment of these cultures with TNF-α did not reveal an impaired molecular response in the absence of Sharpin. Instead, genome-wide and gene-specific expression analyses revealed that Cpdm mesenchymal cells display increased responsiveness toward TNF-α-induced expression of specific cytokines, such as CXCL5, IL-1β, and IL-6. Therefore, our data not only demonstrate that the skeletal defects of Cpdm mice are specifically caused by impaired differentiation of osteoprogenitor cells, they also suggest that increased cytokine expression in mesenchymal bone marrow cells contributes to the inflammatory phenotype of Cpdm mice.
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Affiliation(s)
- Anke Jeschke
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Philip Catala-Lehnen
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Sabrina Sieber
- Department of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Thomas Bickert
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Michaela Schweizer
- Center of Molecular Neurobiology, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Till Koehne
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Kristofer Wintges
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Robert P Marshall
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Andrea Mautner
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Lara Duchstein
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Benjamin Otto
- Department of Clinical Chemistry, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany; and
| | - Andrea K Horst
- Institute of Experimental Immunology and Hematology, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Michael Amling
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
| | - Hans-Juergen Kreienkamp
- Department of Human Genetics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany;
| | - Thorsten Schinke
- Department of Osteology and Biomechanics, University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany;
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Clinoenstatite coatings have high bonding strength, bioactive ion release, and osteoimmunomodulatory effects that enhance in vivo osseointegration. Biomaterials 2015; 71:35-47. [PMID: 26318815 DOI: 10.1016/j.biomaterials.2015.08.027] [Citation(s) in RCA: 77] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Accepted: 08/14/2015] [Indexed: 01/06/2023]
Abstract
A number of coating materials have been developed over past two decades seeking to improve the osseointegration of orthopedic metal implants. Despite the many candidate materials trialed, their low rate of translation into clinical applications suggests there is room for improving the current strategies for their development. We therefore propose that the ideal coating material(s) should possess the following three properties: (i) high bonding strength, (ii) release of functional ions, and (iii) favourable osteoimmunomodulatory effects. To test this proposal, we developed clinoenstatite (CLT, MgSiO3), which as a coating material has high bonding strength, cytocompability and immunomodulatory effects that are favourable for in vivo osteogenesis. The bonding strength of CLT coatings was 50.1 ± 3.2 MPa, more than twice that of hydroxyapatite (HA) coatings, at 23.5 ± 3.5 MPa. CLT coatings released Mg and Si ions, and compared to HA coatings, induced an immunomodulation more conducive for osseointegration, demonstrated by downregurelation of pro-inflammatory cytokines, enhancement of osteogenesis, and inhibition of osteoclastogenesis. In vivo studies demonstrated that CLT coatings improved osseointegration with host bone, as shown by the enhanced biomechanical strength and increased de novo bone formation, when compared with HA coatings. These results support the notion that coating materials with the proposed properties can induce an in vivo environment better suited for osseointegration. These properties could, therefore, be fundamental when developing high-performance coating materials.
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Zhang W, Ma X, Xue P, Gao Y, Wu X, Zhao J, Wang Y, Li S. Associations between fat distribution and volumetric bone mineral density in Chinese adults. Endocrine 2014; 47:862-8. [PMID: 24705911 DOI: 10.1007/s12020-014-0252-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2013] [Accepted: 03/24/2014] [Indexed: 12/13/2022]
Abstract
The aim of this study was to explore the association between fat distribution and volumetric bone mineral density (vBMD) in Chinese Adults. Using a cross-sectional investigation of 867 participants including 521 women and 346 men from China, vBMD and subcutaneous adipose tissue (SCAT) or visceral adipose tissue (VAT) were measured accordingly by quantitative computed tomography. The peak vBMD values of the spine were observed at ages 30-39 years in women and at ages 20-29 years in men. In women, the peak values of VAT and SCAT were observed, respectively, at ages ≥ 70 years and at the age range of 60-69 years. In men, the peak values of VAT and SCAT were observed, respectively, at ages ≥ 70 years and at ages 30-39 years. Using the correlation tests, there was no correlation between SCAT and vBMD in both genders. Most relationships between VAT and BMD were negative (r = -0.204, P < 0.01, in premenopausal women; r = -0.150, P < 0.05, in postmenopausal women; and r = -0.181, P < 0.05, in middle-aged men). After multiple linear regression analysis, no correlations were observed. There appears to be no correlation between fat distribution and vBMD in Chinese adults, and further studies are needed to explore associations between fat distribution and vBMD.
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Affiliation(s)
- Wei Zhang
- Department of Radiology, The Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050000, Hebei, China,
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Ma D, Li Y, Hackfort B, Zhao Y, Xiao J, Swanson PC, Lappe J, Xiao P, Cullen D, Akhter M, Recker R, Xiao GG. Smoke-induced signal molecules in bone marrow cells from altered low-density lipoprotein receptor-related protein 5 mice. J Proteome Res 2012; 11:3548-60. [PMID: 22616666 DOI: 10.1021/pr2012158] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Mechanism underlying smoke-induced loss of bone mass is unknown. In this study, we hypothesized that protein signals induced by smoking in bone marrow may be associated with the loss of bone mass. Using a proteomics approach, we identified 38 proteins differentially expressed in bone marrow cells from low-density lipoprotein receptor-related protein 5 (Lrp5) mice exposed to cigarette smoking. Smoking effects on protein expression in bone marrow among three genotypes (Lrp5(+/+), Lrp5(G171V), and Lrp5(-/-)) varied. On the basis of the ratio of protein expression induced by smoking versus nonsmoking, smoke induced protein expression significantly in wild-type mice compared to the other two genotypes (Lrp5(G171V) and Lrp5(-/-)). These proteins include inhibitors of β-catenin and proteins associated with differentiation of osteoclasts. We observed that S100A8 and S100A9 were overexpressed in human smokers compared to nonsmokers, which confirmed the effect of smoking on the expression of two proteins in Lrp5 mice, suggesting the role of these proteins in bone remodeling. Smoke induced expression of S100A8 and S100A9 in a time-dependent fashion, which was opposite of the changes in the ratio of OPG/RANKL in bone marrow cells, suggesting that the high levels of S100A8 and S100A9 may be associated with smoke-induced bone loss by increasing bone resorption.
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Affiliation(s)
- Danjun Ma
- Genomics & Functional Proteomics Laboratories, Osteoporosis Research Center, Creighton University Medical Center, 601 N 30th Street, Suite 6730, Omaha, Nebraska 68131, USA
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Abstract
Pasteurella multocida was first discovered by Perroncito in 1878 and named after Louis Pasteur who first isolated and described this Gram-negative bacterium as the cause of fowl disease in 1880. Subsequently, P. multocida was also found to cause atrophic rhinitis in pigs, haemorrhagic septicaemia in cattle and respiratory diseases in many other animals. Among other factors such as lipopolysaccharide, outer membrane proteins and its capsule, the protein toxin (PMT) of P. multocida is an important virulence factor that determines the immunological response of the host's immune system. However, the exact molecular mechanisms taking place in cells of the innate and adaptive immune system are largely unknown for any of these virulence factors. Due to the obvious function of PMT on cells of the porcine skeletal system where it causes bone destruction, PMT was regarded as an osteolytic protein toxin. However, it remained unclear what the actual benefit for the bacteria would be. Recently, more attention was drawn to the osteoimmunological effects of PMT and the interplay between bone and immune cells. This review summarises the knowledge of effects of P. multocida virulence factors on the host's immune system.
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Affiliation(s)
- Katharina F Kubatzky
- Department of Infectious Diseases, Medical Microbiology and Hygiene, University Hospital Heidelberg, Im Neuenheimer Feld 324, 69120, Heidelberg, Germany.
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Subramanian G, Cohen HV, Quek SY. A model for the pathogenesis of bisphosphonate-associated osteonecrosis of the jaw and teriparatide's potential role in its resolution. ACTA ACUST UNITED AC 2011; 112:744-53. [DOI: 10.1016/j.tripleo.2011.04.020] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2011] [Revised: 04/07/2011] [Accepted: 04/17/2011] [Indexed: 01/08/2023]
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Pasteurella multocida toxin-stimulated osteoclast differentiation is B cell dependent. Infect Immun 2010; 79:220-8. [PMID: 20956572 DOI: 10.1128/iai.00565-10] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Pasteurella multocida is a Gram-negative bacillus that infects a number of wild and domestic animals, causing respiratory diseases. Toxigenic Pasteurella multocida strains produce a protein toxin (PMT) that leads to atrophic rhinitis in swine due to enhanced osteoclastogenesis and the inhibition of osteoblast function. We show that PMT-induced osteoclastogenesis is promoted by an as-yet-uncharacterized B-cell population. The toxin, however, is not acting at the level of hematopoietic stem cells, since purified CD117(+) cells from murine hematopoietic progenitor cells cultivated with PMT did not mature into osteoclasts. The early macrophages contained within this cell population (CD117(+)/CD11b(+)) did not further differentiate into osteoclasts but survived and were able to phagocytose. Within the CD117(-) population, however, we detected PMT-induced generation of a B220(+)/CD19(+) and B220(+)/IgM(+) B-cell population that was able to take up fluorescently labeled PMT. Using purified B-cell and macrophage populations, we show that these B cells are needed to efficiently generate osteoclasts from macrophages. Cells of the immune system are thought to affect osteoclast formation and function by secreting cytokines and growth factors. We show here that PMT-stimulated B cells produce elevated levels of the osteoclastogenic factors interleukin-1β (IL-1β), IL-6, tumor necrosis factor alpha, and receptor activator of nuclear factor receptor ligand (RANKL) compared to B cells generated through incubation with IL-7. These results suggest that the osteoclastic properties characteristic for PMT may result from a cross talk between bone cells and lymphoid cells and that B cells might be an important target of Pasteurella multocida.
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Abstract
This article examines synovectomy and ankle arthrodesis for the rheumatoid ankle joint. Reviews of osteoimmunology and gait analyses specific to rheumatoid arthritis are included. Comparison studies including ankle arthrodesis and total ankle arthroplasty are reviewed.
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Affiliation(s)
- Joseph R Treadwell
- Foot & Ankle Specialists of Connecticut, PC, 6 Germantown Road, Danbury, CT 06810, USA.
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Growth-plate cartilage in chronic renal failure. Pediatr Nephrol 2010; 25:643-9. [PMID: 19816714 DOI: 10.1007/s00467-009-1307-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2009] [Revised: 08/05/2009] [Accepted: 08/05/2009] [Indexed: 12/13/2022]
Abstract
Bone growth occurs in the growth-plate cartilage located at the ends of long bones. Changes in the architecture, abnormalities in matrix organization, reduction in protein staining and RNA expression of factors involved in cell signaling have been described in the growth-plate cartilage of nephrectomized animals. These changes can lead to a smaller growth plate associated with decrease in chondrocyte proliferation, delayed hypertrophy, and prolonged initiation of mineralization and vascular invasion. As a result, chronic renal failure can result in stunted body growth and skeletal deformities. Multiple etiologic factors can contribute to impaired bone growth in renal failure, including suboptimal nutrition, metabolic acidosis, and secondary hyperparathyroidism. Recent findings have also shown the tight connection between chondro/osteogenesis, hematopoiesis, and immunogenesis.
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Lord EM. Immunology at the university of Rochester. Immunol Res 2009; 45:97-9. [PMID: 19240990 DOI: 10.1007/s12026-009-8099-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- Edith M Lord
- Department of Microbiology & Immunology, University of Rochester Medical Center, NY 14642, USA.
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