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范 毅, 罗 梦, 黄 东, 刘 琳, 傅 博, 王 潇, 关 淼, 李 鸿. [A sericin hydrogel scaffold for sustained dexamethasone release modulates macrophage polarization to promote mandibular bone defect repair in rats]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2024; 44:533-540. [PMID: 38597445 PMCID: PMC11006699 DOI: 10.12122/j.issn.1673-4254.2024.03.15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Indexed: 04/11/2024]
Abstract
OBJECTIVE To evaluate the efficacy of a modified sericin hydrogel scaffold loaded with dexamethasone (SMH-CD/DEX) scaffold for promoting bone defect healing by stimulating anti-inflammatory macrophage polarization. METHODS The light-curable SMH-CD/DEX scaffold was prepared using dexamethasone-loaded NH2-β-cyclodextrin (NH2-β-CD) and sericin hydrogel and characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), biocompatibility assessment and drug release test. THP-1 macrophages incubated with the scaffold were examined for protein expressions of iNOS and Arg-1, mRNA expressions of IL-6, Il-10, Arg-1 and iNOS, and surface markers CD86 and CD206 using Western blotting, RT-qPCR, and flow cytometry. In a co-culture system of human periodontal ligament stem cells (HPDLSCs) and THP-1 macrophages, the osteogenic ability of the stem cells incubated with the scaffold was evaluated by detecting protein expressions of COL1A1 and Runx2 and expressions of ALP, Runx2, OCN and BMP2 mRNA, ALP staining, and alizarin red staining. In a rat model of mandibular bone defect, the osteogenic effect of the scaffold was assessed by observing bone regeneration using micro-CT and histopathological staining. RESULTS In THP-1 macrophages, incubation with SMH-CD/DEX scaffold significantly enhanced protein expressions of Arg-1 and mRNA expressions of IL-10 and Arg-1 and lowered iNOS protein expression and IL-6 and iNOS mRNA expressions. In the co-culture system, SMH-CD/DEX effectively increased the protein expressions of COL1A1 and Runx2 and mRNA expressions of ALP and BMP2 in HPDLSCs and promoted their osteogenic differentiation. In the rat models, implantation of SMH-CD/DEX scaffold significantly promoted bone repair and bone regeneration in the bone defect. CONCLUSION The SMH-CD/DEX scaffold capable of sustained dexamethasone release promotes osteogenic differentiation of stem cells and bone defect repair in rats by regulating M2 polarization.
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Affiliation(s)
- 毅平 范
- 解放军医学院,北京 100853Medical School of Chinese PLA, Chinese PLAGeneral Hospital, Beijing 100853, China
- 中国人民解放军总医院第一医学中心口腔科,北京 100853Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - 梦琳 罗
- 中国人民解放军总医院第一医学中心口腔科,北京 100853Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - 东宗 黄
- 解放军医学院,北京 100853Medical School of Chinese PLA, Chinese PLAGeneral Hospital, Beijing 100853, China
- 中国人民解放军总医院第一医学中心口腔科,北京 100853Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - 琳 刘
- 中国人民解放军总医院第一医学中心口腔科,北京 100853Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - 博 傅
- 中国人民解放军总医院第一医学中心肾脏病科,北京 100853Department of Nephrology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
| | - 潇宇 王
- 中国人 民解放军战略支援部队特色医学中心,北京 100101Department of Stomatology, The Strategic Support Force Medical Center of PLA, Beijing 100101, China
| | - 淼升 关
- 中国人民解放军火箭军特色医学中心,北京 100088Department of Research, PLARocket Force Characteristic Medical Center, Beijing 100088, China
| | - 鸿波 李
- 中国人民解放军总医院第一医学中心口腔科,北京 100853Department of Stomatology, The First Medical Center, Chinese PLA General Hospital, Beijing 100853, China
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Harrer JA, Fulton TM, Sangadala S, Kaiser J, Devereaux EJ, Oliver C, Presciutti SM, Boden SD, Willett NJ. Local FK506 delivery induces osteogenesis in in vivo rat bone defect and rabbit spine fusion models. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.03.08.584163. [PMID: 38559240 PMCID: PMC10979893 DOI: 10.1101/2024.03.08.584163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Bone grafting procedures are commonly used for the repair, regeneration, and fusion of bones in in a wide range of orthopaedic surgeries, including large bone defects and spine fusion procedures. Autografts are the clinical gold standard, though recombinant human bone morphogenetic proteins (rhBMPs) are often used, particularly in difficult clinical situations. However, treatment with rhBMPs can have off-target effects and significantly increase surgical costs, adding to patients' already high economic and mental burden. Recent studies have identified that FDA-approved immunosuppressant drug, FK506 (Tacrolimus), can also activate the BMP pathway by binding to its inhibitors. This study tested the hypothesis that FK506, as a standalone treatment, could induce osteogenic differentiation of human mesenchymal stromal cells (hMSCs), as well as functional bone formation in a rat segmental bone defect model and rabbit spinal fusion model. FK506 potentiated the effect of low dose BMP-2 to enhance osteogenic differentiation and mineralization of hMSCs in vitro. Standalone treatment with FK506 delivered on a collagen sponge, produced consistent bone bridging of a rat critically-sized femoral defect with functional mechanical properties comparable to naïve bone. In a rabbit single level posterolateral spine fusion model, treatment with FK506 delivered on a collagen sponge successfully fused the L5-L6 vertebrae at rates comparable to rhBMP-2 treatment. These data demonstrate the ability of FK506 to induce bone formation in human cells and two challenging in vivo models, and indicate FK506 can be utilized either as a standalone treatment or in conjunction with rhBMP to treat a variety of spine disorders.
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Affiliation(s)
- Julia Andraca Harrer
- Atlanta VA Medical Center, Decatur, GA 30033, USA
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA 30322, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
- Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR 97403, USA
| | - Travis M. Fulton
- Atlanta VA Medical Center, Decatur, GA 30033, USA
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Sreedhara Sangadala
- Atlanta VA Medical Center, Decatur, GA 30033, USA
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Jarred Kaiser
- Atlanta VA Medical Center, Decatur, GA 30033, USA
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Emily J. Devereaux
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | | | - Steven M. Presciutti
- Atlanta VA Medical Center, Decatur, GA 30033, USA
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Scott D. Boden
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Nick J. Willett
- Atlanta VA Medical Center, Decatur, GA 30033, USA
- Department of Orthopaedics, Emory University School of Medicine, Atlanta, GA 30322, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332, USA
- Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR 97403, USA
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Compte R, Freidin MB, Granville Smith I, Le Maitre CL, Vaitkute D, Nessa A, Lachance G, Williams FMK. No evidence of association between either Modic change or disc degeneration and five circulating inflammatory proteins. JOR Spine 2024; 7:e1323. [PMID: 38529326 PMCID: PMC10961713 DOI: 10.1002/jsp2.1323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 01/31/2024] [Accepted: 03/02/2024] [Indexed: 03/27/2024] Open
Abstract
Introduction Intervertebral disc degeneration and Modic change are the main spinal structural changes associated with chronic low back pain (LBP). Both conditions are thought to manifest local inflammation and if inflammatory proteins translocate to the blood circulation could be detected systemically. The work here assesses whether the presence of disc degeneration is associated with detectable blood level changes of five inflammatory markers and whether chronic LBP is associated with these changes. Materials and Methods Two hundred and forty TwinsUK cohort participants with both MRI disc degeneration grade and Modic change extent, and IL-6, IL-8, IL-8 TNF, and CX3CL1 protein blood concentration measurements were included in this work. Linear mixed effects models were used to test the association of blood cytokine concentration with disc degeneration score and Modic change volumetric score. Association of chronic LBP status from questionnaires with disc degeneration, Modic change, and cytokine blood concentration was also tested. Results No statistically significant association between disc degeneration or Modic change with cytokine blood concentration was found. Instead, regression analysis pointed strong association between cytokine blood concentration with body mass index for IL-6 and with age for IL-6 and TNF. Mild association was found between IL-8 blood concentration and body mass index. Additionally, LBP status was associated with Modic change volumetric score but not associated with any cytokine concentration. Conclusions We found no evidence that Modic change and disc degeneration are able to produce changes in tested blood cytokine concentration. However, age and body mass index have strong influence on cytokine concentration and both are associated with the conditions studied which may confound associations found in the literature. It is then unlikely that cytokines produced in the disc or vertebral bone marrow induce chronic LBP.
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Affiliation(s)
- Roger Compte
- Department of Twin Research and Genetic EpidemiologyKing's College LondonLondonUK
| | - Maxim B. Freidin
- Department of Biology, School of Biological and Behavioural SciencesQueen Mary University of LondonLondonUK
| | | | - Christine L. Le Maitre
- Division of Clinical Medicine, School of Medicine and Population HealthUniversity of SheffieldSheffieldUK
| | - Dovile Vaitkute
- Department of Twin Research and Genetic EpidemiologyKing's College LondonLondonUK
| | - Ayrun Nessa
- Department of Twin Research and Genetic EpidemiologyKing's College LondonLondonUK
| | - Genevieve Lachance
- Department of Twin Research and Genetic EpidemiologyKing's College LondonLondonUK
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Han J, Rindone AN, Elisseeff JH. Immunoengineering Biomaterials for Musculoskeletal Tissue Repair across Lifespan. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2311646. [PMID: 38416061 DOI: 10.1002/adma.202311646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 01/23/2024] [Indexed: 02/29/2024]
Abstract
Musculoskeletal diseases and injuries are among the leading causes of pain and morbidity worldwide. Broad efforts have focused on developing pro-regenerative biomaterials to treat musculoskeletal conditions; however, these approaches have yet to make a significant clinical impact. Recent studies have demonstrated that the immune system is central in orchestrating tissue repair and that targeting pro-regenerative immune responses can improve biomaterial therapeutic outcomes. However, aging is a critical factor negatively affecting musculoskeletal tissue repair and immune function. Hence, understanding how age affects the response to biomaterials is essential for improving musculoskeletal biomaterial therapies. This review focuses on the intersection of the immune system and aging in response to biomaterials for musculoskeletal tissue repair. The article introduces the general impacts of aging on tissue physiology, the immune system, and the response to biomaterials. Then, it explains how the adaptive immune system guides the response to injury and biomaterial implants in cartilage, muscle, and bone and discusses how aging impacts these processes in each tissue type. The review concludes by highlighting future directions for the development and translation of personalized immunomodulatory biomaterials for musculoskeletal tissue repair.
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Affiliation(s)
- Jin Han
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21231, USA
| | - Alexandra N Rindone
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21231, USA
| | - Jennifer H Elisseeff
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21231, USA
- Bloomberg-Kimmel Institute for Cancer Immunotherapy, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, Baltimore, MD, 21231, USA
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, 21231, USA
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Han Y, Xing X, Zhou L, Huang S, Lin Z, Hong G, Chen J. GL13K-modified titanium regulates osteogenic differentiation via the NF-κB pathway. Int Immunopharmacol 2024; 126:111279. [PMID: 38056197 DOI: 10.1016/j.intimp.2023.111279] [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: 07/18/2023] [Revised: 11/20/2023] [Accepted: 11/20/2023] [Indexed: 12/08/2023]
Abstract
The osteoimmune response plays a crucial regulatory role in the osseointegration of dental implants. Previous studies found the antimicrobial peptide coating (GL13K) could activate the immunomodulatory potential of macrophages (Raw 264.7) and promote osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs). To further investigate the mechanism of interaction between immunomodulation and differentiation, a co-culture model of the representative cells (Raw 264.7 and BMSCs) was constructed to mimic the immune microenvironment. In this system, GL13K coating of titanium implant effectively inhibited the polarization of the inflammatory M1 type and promoted the polarization of the anti-inflammatory M2 type. Furthermore, the inhibited NF-κB signaling pathway and Mip-2 gene expression were found and validated by bioinformatics analysis and virus-induced gene silencing, which significantly affected the tissue repair process. It can be concluded that the GL13K coating had the potential to establish a localized immune microenvironment conducive to osteogenic differentiation through cellular interactions. Subsequent investigations would be dedicated to a thorough examination of the osseointegration effects of GL13K coating.
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Affiliation(s)
- Yu Han
- Fujian Provincial Engineering Research Center of Oral Biomaterial, Fujian Medical University, Fuzhou 350001, People's Republic of China
| | - Xiaojie Xing
- Stomatological Key Lab of Fujian College and University, Fujian Medical University, Fuzhou 350001, People's Republic of China
| | - Lin Zhou
- Department of Oral Mucosa Affiliated Stomatological Hospital of Fujian Medical University, Fuzhou 350001, People's Republic of China
| | - Shiying Huang
- Institute of Stomatology, Fujian Medical University, Fuzhou 350001, People's Republic of China
| | - Zhaonan Lin
- Institute of Stomatology, Fujian Medical University, Fuzhou 350001, People's Republic of China
| | - Guang Hong
- Liaison Center for Innovative Dentistry, Graduate School of Dentistry, Tohoku University, 4-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575 Miyagi, Japan.
| | - Jiang Chen
- Fujian Provincial Engineering Research Center of Oral Biomaterial, Fujian Medical University, Fuzhou 350001, People's Republic of China.
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Ahmad W, Pishevar N, Cochrane LJ, Reynolds A, Kim J, Korostenskij I, Geiser VL, Carson MD, Warner AJ, Chen P, Yao H, Alekseyenko A, Hathaway-Schrader JD, Novince CM. Antibiotic prophylaxis dysregulates dental implant placement surgery-induced osteoimmune wound healing and attenuates the alveolar bone-implant interface in mice. J Clin Periodontol 2023; 50:1670-1684. [PMID: 37667415 PMCID: PMC10840745 DOI: 10.1111/jcpe.13875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 08/12/2023] [Accepted: 08/19/2023] [Indexed: 09/06/2023]
Abstract
AIM Antimicrobial-induced shifts in commensal oral microbiota can dysregulate helper T-cell oral immunity to affect osteoclast-osteoblast actions in alveolar bone. Antibiotic prophylaxis is commonly performed with dental implant placement surgery to prevent post-surgical complications. However, antibiotic prophylaxis effects on osteoimmune processes supporting dental implant osseointegration are unknown. The aim of the study was to discern the impact of antibiotic prophylaxis on dental implant placement surgery-induced osteoimmune wound healing and osseointegration. MATERIALS AND METHODS We performed SHAM or dental implant placement surgery in mice. Groups were administered prophylactic antibiotics (amoxicillin or clindamycin) or vehicle. Gingival bacteriome was assessed via 16S sequencing. Helper T-cell oral immunity was evaluated by flow cytometry. Osteoclasts and osteoblasts were assessed via histomorphometry. Implant osseointegration was evaluated by micro-computed tomography. RESULTS Dental implant placement surgery up-regulated TH 1, TH 2 and TREG cells in cervical lymph nodes (CLNs), which infers helper T-cell oral immunity contributes to dental implant placement osseous wound healing. Prophylactic antibiotics with dental implant placement surgery caused a bacterial dysbiosis, suppressed TH 1, TH 2 and TREG cells in CLNs, reduced osteoclasts and osteoblasts lining peri-implant alveolar bone, and attenuated the alveolar bone-implant interface. CONCLUSIONS Antibiotic prophylaxis dysregulates dental implant placement surgery-induced osteoimmune wound healing and attenuates the alveolar bone-implant interface in mice.
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Affiliation(s)
- Waqar Ahmad
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Novin Pishevar
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Leonard J. Cochrane
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Andrew Reynolds
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Joseph Kim
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Ivan Korostenskij
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Biomedical Informatics Center, Department of Public Health Sciences, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Vincenza L. Geiser
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Matthew D. Carson
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Amy J. Warner
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Peng Chen
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Bioengineering, College of Engineering, Clemson University, Clemson, South Carolina, USA
| | - Hai Yao
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Bioengineering, College of Engineering, Clemson University, Clemson, South Carolina, USA
| | - Alexander Alekseyenko
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Biomedical Informatics Center, Department of Public Health Sciences, College of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Jessica D. Hathaway-Schrader
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Chad M. Novince
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Stomatology-Division of Periodontics, College of Dental Medicine, Medical University of South Carolina, Charleston, South Carolina, USA
- Department of Pediatrics-Division of Endocrinology, College of Medicine, Medical University of South Carolina, Charleston, SC, USA
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Torres HM, Arnold KM, Oviedo M, Westendorf JJ, Weaver SR. Inflammatory Processes Affecting Bone Health and Repair. Curr Osteoporos Rep 2023; 21:842-853. [PMID: 37759135 PMCID: PMC10842967 DOI: 10.1007/s11914-023-00824-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/05/2023] [Indexed: 09/29/2023]
Abstract
PURPOSE OF REVIEW The purpose of this article is to review the current understanding of inflammatory processes on bone, including direct impacts of inflammatory factors on bone cells, the effect of senescence on inflamed bone, and the critical role of inflammation in bone pain and healing. RECENT FINDINGS Advances in osteoimmunology have provided new perspectives on inflammatory bone loss in recent years. Characterization of so-called inflammatory osteoclasts has revealed insights into physiological and pathological bone loss. The identification of inflammation-associated senescent markers in bone cells indicates that therapies that reduce senescent cell burden may reverse bone loss caused by inflammatory processes. Finally, novel studies have refined the role of inflammation in bone healing, including cross talk between nerves and bone cells. Except for the initial stages of fracture healing, inflammation has predominately negative effects on bone and increases fracture risk. Eliminating senescent cells, priming the osteo-immune axis in bone cells, and alleviating pro-inflammatory cytokine burden may ameliorate the negative effects of inflammation on bone.
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Affiliation(s)
- Haydee M Torres
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st St SW, Rochester, MN, 55905, USA
| | - Katherine M Arnold
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st St SW, Rochester, MN, 55905, USA
- Biomedical Engineering and Physiology Track/Regenerative Sciences Program, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, MN, 55905, USA
| | - Manuela Oviedo
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st St SW, Rochester, MN, 55905, USA
| | - Jennifer J Westendorf
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st St SW, Rochester, MN, 55905, USA
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, 55905, USA
| | - Samantha R Weaver
- Department of Orthopedic Surgery, Mayo Clinic, 200 1st St SW, Rochester, MN, 55905, USA.
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Rehage E, Sowislok A, Busch A, Papaeleftheriou E, Jansen M, Jäger M. Surgical Site-Released Tissue Is Potent to Generate Bone onto TCP and PCL-TCP Scaffolds In Vitro. Int J Mol Sci 2023; 24:15877. [PMID: 37958857 PMCID: PMC10647844 DOI: 10.3390/ijms242115877] [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: 09/30/2023] [Revised: 10/24/2023] [Accepted: 10/30/2023] [Indexed: 11/15/2023] Open
Abstract
There is evidence that surgical site tissue (SSRT) released during orthopedic surgery has a strong mesenchymal regenerative potential. Some data also suggest that this tissue may activate synthetic or natural bone substitute materials and can thus upgrade its osteopromoting properties. In this comparative in vitro study, we investigate the composition of SSRT during total hip replacement (n = 20) harvested using a surgical suction handle. In addition, the osteopromoting effect of the cells isolated from SSRT is elucidated when incubated with porous beta-tricalcium phosphate (β-TCP) or 80% medical-grade poly-ε-caprolactone (PCL)/20% TCP composite material. We identified multiple growth factors and cytokines with significantly higher levels of PDGF and VEGF in SSRT compared to peripheral blood. The overall number of MSC was 0.09 ± 0.12‱ per gram of SSRT. A three-lineage specific differentiation was possible in all cases. PCL-TCP cultures showed a higher cell density and cell viability compared to TCP after 6 weeks in vitro. Moreover, PCL-TCP cultures showed a higher osteocalcin expression but no significant differences in osteopontin and collagen I synthesis. We could demonstrate the high regenerative potential from SSRT harvested under vacuum in a PMMA filter device. The in vitro data suggest advantages in cytocompatibility for the PCL-TCP composite compared to TCP alone.
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Affiliation(s)
- Emely Rehage
- Chair of Orthopaedics and Trauma Surgery, University of Duisburg-Essen, 45147 Essen, Germany; (E.R.); (A.S.)
| | - Andrea Sowislok
- Chair of Orthopaedics and Trauma Surgery, University of Duisburg-Essen, 45147 Essen, Germany; (E.R.); (A.S.)
| | - André Busch
- Department of Orthopaedics, Trauma and Reconstructive Surgery, Katholisches Klinikum Essen Philippus, 45355 Essen, Germany
| | - Eleftherios Papaeleftheriou
- Department of Orthopaedics, Trauma and Reconstructive Surgery, St. Marien-Hospital Mülheim an der Ruhr, 45468 Mülheim an der Ruhr, Germany;
| | - Melissa Jansen
- Institute of Cognitive Science, University of Osnabrück, 49090 Osnabrück, Germany;
| | - Marcus Jäger
- Chair of Orthopaedics and Trauma Surgery, University of Duisburg-Essen, 45147 Essen, Germany; (E.R.); (A.S.)
- Department of Orthopaedics, Trauma and Reconstructive Surgery, Katholisches Klinikum Essen Philippus, 45355 Essen, Germany
- Department of Orthopaedics, Trauma and Reconstructive Surgery, St. Marien-Hospital Mülheim an der Ruhr, 45468 Mülheim an der Ruhr, Germany;
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Tang F, Tie Y, Lan T, Yang J, Hong W, Chen S, Shi H, Li L, Zeng H, Min L, Wei Y, Tu C, Wei X. Surgical Treatment of Osteosarcoma Induced Distant Pre-Metastatic Niche in Lung to Facilitate the Colonization of Circulating Tumor Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2207518. [PMID: 37585564 PMCID: PMC10558698 DOI: 10.1002/advs.202207518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 06/27/2023] [Indexed: 08/18/2023]
Abstract
Recently, the major challenge in treating osteosarcoma patients is the metastatic disease, most commonly in the lungs. However, the underlying mechanism of recurrence and metastasis of osteosarcoma after surgical resection of primary tumor remains unclear. This study aims to investigate whether the pulmonary metastases characteristic of osteosarcoma is associated with surgical treatment and whether surgery contributes to the formation of pre-metastatic niche in the distant lung tissue. In the current study, the authors observe the presence of circulating tumor cells in patients undergoing surgical resection of osteosarcoma which is correlated to tumor recurrence. The pulmonary infiltrations of neutrophils and Gr-1+ myeloid cells are characterized to form a pre-metastatic niche upon the exposure of circulating tumor cells after surgical resection. It is found that mitochondrial damage-associated molecular patterns released from surgical resection contribute to the formation of pre-metastatic niche in lung through IL-1β secretion. This study reveals that surgical management for osteosarcoma, irrespective of the primary tumor, might promote the formation of postoperative pre-metastatic niche in lung which is with important implications for developing rational therapies during peri-operative period.
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Affiliation(s)
- Fan Tang
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
- Department of OrthopedicsOrthopedic Research InstituteWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Yan Tie
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Tian‐Xia Lan
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Jing‐Yun Yang
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Wei‐Qi Hong
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Si‐Yuan Chen
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Hou‐Hui Shi
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Long‐Qing Li
- Department of OrthopedicsOrthopedic Research InstituteWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Hao Zeng
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Li Min
- Department of OrthopedicsOrthopedic Research InstituteWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Yu‐Quan Wei
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Chong‐Qi Tu
- Department of OrthopedicsOrthopedic Research InstituteWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
| | - Xia‐Wei Wei
- Laboratory of Aging Research and Cancer Drug TargetState Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityNo. 17, Block 3, Southern Renmin RoadChengduSichuan610041People's Republic of China
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10
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Panos JA, Coenen MJ, Nagelli CV, McGlinch EB, Atasoy-Zeybek A, De Padilla CL, De la Vega RE, Evans CH. Segmental defect healing in the presence or absence of recombinant human BMP2: Novel insights from a rat model. J Orthop Res 2023; 41:1934-1944. [PMID: 36850029 PMCID: PMC10440238 DOI: 10.1002/jor.25530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/16/2023] [Accepted: 02/08/2023] [Indexed: 03/01/2023]
Abstract
This study defined and compared the course of native, impaired and growth factor-stimulated bone regeneration in a rat femoral defect model. A mid-diaphyseal defect with rigid internal fixation was surgically created in the right femur of male Fischer rats and serially analyzed over 36 weeks. Native bone regeneration was modeled using a sub-critical, 1 mm size defect, which healed uneventfully. Critical size defects of 5 mm were used to analyze impaired bone regeneration. In a third group, the 5 mm defects were filled with 11 µg of recombinant human bone morphogenetic protein 2 (rhBMP2) impregnated onto an absorbable collagen sponge, modeling its clinical use. Native bone regeneration was characterized by endochondral ossification with progressive remodeling to ultimately resemble intact femora. An endochondral response was also observed under conditions of impaired bone regeneration, but by week 8 medullary capping occurred with fibrofatty consolidation of the tissue within the defect, resembling an atrophic non-union. rhBMP2 treatment was associated with prolonged inflammatory cytokine expression and rapid intramembranous bone formation occurring with reduced expression of cartilage-associated collagens. Between weeks 4 and 36, rhBMP2-treated bones demonstrated decreased trabecular number and increased trabecular separation, which resulted in inferior mechanical properties compared with bones that healed naturally. Clinical Significance: Recombinant human bone morphogenetic protein 2 (rhBMP2) is used clinically to promote healing of long bones. Our data suggest that it drives intramembraneous ossification producing an inferior regenerate that deteriorates with time. Clinical outcomes would be improved by technologies favoring endochondral regenerative ossification.
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Affiliation(s)
- Joseph A. Panos
- Rehabilitation Medicine Research Center, Mayo Clinic; Rochester, Minnesota, USA
- Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic; Rochester, Minnesota, USA
- Graduate School of Biomedical Sciences, Mayo Clinic; Rochester, Minnesota, USA
- Medical Scientist Training Program, Mayo Clinic; Rochester, Minnesota, USA
| | - Michael J. Coenen
- Rehabilitation Medicine Research Center, Mayo Clinic; Rochester, Minnesota, USA
- Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic; Rochester, Minnesota, USA
| | - Christopher V. Nagelli
- Rehabilitation Medicine Research Center, Mayo Clinic; Rochester, Minnesota, USA
- Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic; Rochester, Minnesota, USA
| | - Erin B. McGlinch
- Rehabilitation Medicine Research Center, Mayo Clinic; Rochester, Minnesota, USA
- Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic; Rochester, Minnesota, USA
- Graduate School of Biomedical Sciences, Mayo Clinic; Rochester, Minnesota, USA
- Virology and Gene Therapy Graduate Program, Mayo Clinic; Rochester, Minnesota, USA
| | - Aysegul Atasoy-Zeybek
- Rehabilitation Medicine Research Center, Mayo Clinic; Rochester, Minnesota, USA
- Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic; Rochester, Minnesota, USA
| | - Consuelo Lopez De Padilla
- Rehabilitation Medicine Research Center, Mayo Clinic; Rochester, Minnesota, USA
- Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic; Rochester, Minnesota, USA
| | - Rodolfo E. De la Vega
- Rehabilitation Medicine Research Center, Mayo Clinic; Rochester, Minnesota, USA
- Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic; Rochester, Minnesota, USA
- Department of Cell Biology-Inspired Tissue Engineering, MERLN Institute; Maastricht, The Netherlands
| | - Christopher H. Evans
- Rehabilitation Medicine Research Center, Mayo Clinic; Rochester, Minnesota, USA
- Musculoskeletal Gene Therapy Research Laboratory, Mayo Clinic; Rochester, Minnesota, USA
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11
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Schulze S, Neuber C, Möller S, Pietzsch J, Schaser KD, Rammelt S. Microdialysis Reveals Anti-Inflammatory Effects of Sulfated Glycosaminoglycanes in the Early Phase of Bone Healing. Int J Mol Sci 2023; 24:ijms24032077. [PMID: 36768397 PMCID: PMC9917097 DOI: 10.3390/ijms24032077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/12/2023] [Accepted: 01/17/2023] [Indexed: 01/21/2023] Open
Abstract
Although chronic inflammation inhibits bone healing, the healing process is initiated by an inflammatory phase. In a well-tuned sequence of molecular events, pro-inflammatory cytokines are secreted to orchestrate the inflammation response to injury and the recruitment of progenitor cells. These events in turn activate the secretion of anti-inflammatory signaling molecules and attract cells and mediators that antagonize the inflammation and initiate the repair phase. Sulfated glycosaminoglycanes (sGAG) are known to interact with cytokines, chemokines and growth factors and, thus, alter the availability, duration and impact of those mediators on the local molecular level. sGAG-coated polycaprolactone-co-lactide (PCL) scaffolds were inserted into critical-size femur defects in adult male Wistar rats. The femur was stabilized with a plate, and the defect was filled with either sGAG-containing PCL scaffolds or autologous bone (positive control). Wound fluid samples obtained by microdialysis were characterized regarding alterations of cytokine concentrations over the first 24 h after surgery. The analyses revealed the inhibition of the pro-inflammatory cytokines IL-1β and MIP-2 in the sGAG-treated groups compared to the positive control. A simultaneous increase of IL-6 and TNF-α indicated advanced regenerative capacity of sGAG, suggesting their potential to improve bone healing.
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Affiliation(s)
- Sabine Schulze
- University Center for Orthopedics, Trauma and Plastic Surgery, University Hospital Carl Gustav Carus at TU Dresden, 01307 Dresden, Germany
- Center for Translational Bone, Joint and Soft Tissue Research, Medical Faculty, TU Dresden, 01307 Dresden, Germany
| | - Christin Neuber
- Helmholtz-Zentrum Dresden-Rossendorf, Department of Radiopharmaceutical and Chemical Biology, Institute of Radiopharmaceutical Cancer Research, 01328 Dresden, Germany
| | - Stephanie Möller
- Biomaterials Department, INNOVENT e. V., Prüssingstrasse 27B, 07745 Jena, Germany
| | - Jens Pietzsch
- Helmholtz-Zentrum Dresden-Rossendorf, Department of Radiopharmaceutical and Chemical Biology, Institute of Radiopharmaceutical Cancer Research, 01328 Dresden, Germany
- Faculty of Chemistry and Food Chemistry, School of Science, Technische Universität Dresden, 01069 Dresden, Germany
| | - Klaus-Dieter Schaser
- University Center for Orthopedics, Trauma and Plastic Surgery, University Hospital Carl Gustav Carus at TU Dresden, 01307 Dresden, Germany
| | - Stefan Rammelt
- University Center for Orthopedics, Trauma and Plastic Surgery, University Hospital Carl Gustav Carus at TU Dresden, 01307 Dresden, Germany
- Correspondence:
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12
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Saul D, Menger MM, Ehnert S, Nüssler AK, Histing T, Laschke MW. Bone Healing Gone Wrong: Pathological Fracture Healing and Non-Unions-Overview of Basic and Clinical Aspects and Systematic Review of Risk Factors. BIOENGINEERING (BASEL, SWITZERLAND) 2023; 10:bioengineering10010085. [PMID: 36671657 PMCID: PMC9855128 DOI: 10.3390/bioengineering10010085] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 12/31/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023]
Abstract
Bone healing is a multifarious process involving mesenchymal stem cells, osteoprogenitor cells, macrophages, osteoblasts and -clasts, and chondrocytes to restore the osseous tissue. Particularly in long bones including the tibia, clavicle, humerus and femur, this process fails in 2-10% of all fractures, with devastating effects for the patient and the healthcare system. Underlying reasons for this failure are manifold, from lack of biomechanical stability to impaired biological host conditions and wound-immanent intricacies. In this review, we describe the cellular components involved in impaired bone healing and how they interfere with the delicately orchestrated processes of bone repair and formation. We subsequently outline and weigh the risk factors for the development of non-unions that have been established in the literature. Therapeutic prospects are illustrated and put into clinical perspective, before the applicability of biomarkers is finally discussed.
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Affiliation(s)
- Dominik Saul
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany
- Kogod Center on Aging and Division of Endocrinology, Mayo Clinic, Rochester, MN 55905, USA
- Institute for Clinical and Experimental Surgery, Saarland University, 66421 Homburg, Germany
- Correspondence:
| | - Maximilian M. Menger
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany
- Institute for Clinical and Experimental Surgery, Saarland University, 66421 Homburg, Germany
| | - Sabrina Ehnert
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany
| | - Andreas K. Nüssler
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany
| | - Tina Histing
- Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany
| | - Matthias W. Laschke
- Institute for Clinical and Experimental Surgery, Saarland University, 66421 Homburg, Germany
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13
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de Wildt BWM, Cramer EEA, de Silva LS, Ito K, Gawlitta D, Hofmann S. Evaluating material-driven regeneration in a tissue engineered human in vitro bone defect model. Bone 2023; 166:116597. [PMID: 36280106 DOI: 10.1016/j.bone.2022.116597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 10/07/2022] [Accepted: 10/18/2022] [Indexed: 11/16/2022]
Abstract
Advanced in vitro human bone defect models can contribute to the evaluation of materials for in situ bone regeneration, addressing both translational and ethical concerns regarding animal models. In this study, we attempted to develop such a model to study material-driven regeneration, using a tissue engineering approach. By co-culturing human umbilical vein endothelial cells (HUVECs) with human bone marrow-derived mesenchymal stromal cells (hBMSCs) on silk fibroin scaffolds with in vitro critically sized defects, the growth of vascular-like networks and three-dimensional bone-like tissue was facilitated. After a model build-up phase of 28 days, materials were artificially implanted and HUVEC and hBMSC migration, cell-material interactions, and osteoinduction were evaluated 14 days after implantation. The materials physiologically relevant for bone regeneration included a platelet gel as blood clot mimic, cartilage spheres as soft callus mimics, and a fibrin gel as control. Although the in vitro model was limited in the evaluation of immune responses, hallmarks of physiological bone regeneration were observed in vitro. These included the endothelial cell chemotaxis induced by the blood clot mimic and the mineralization of the soft callus mimic. Therefore, the present in vitro model could contribute to an improved pre-clinical evaluation of biomaterials while reducing the need for animal experiments.
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Affiliation(s)
- Bregje W M de Wildt
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Esther E A Cramer
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Leanne S de Silva
- Department of Oral and Maxillofacial Surgery & Special Dental Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Regenerative Medicine Center Utrecht, Utrecht, the Netherlands
| | - Keita Ito
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Debby Gawlitta
- Department of Oral and Maxillofacial Surgery & Special Dental Care, University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands; Regenerative Medicine Center Utrecht, Utrecht, the Netherlands
| | - Sandra Hofmann
- Orthopaedic Biomechanics, Department of Biomedical Engineering, Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, Eindhoven, the Netherlands.
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14
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Ren Y, Bäcker H, Müller M, Kienzle A. The role of myeloid derived suppressor cells in musculoskeletal disorders. Front Immunol 2023; 14:1139683. [PMID: 36936946 PMCID: PMC10020351 DOI: 10.3389/fimmu.2023.1139683] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Accepted: 02/21/2023] [Indexed: 03/06/2023] Open
Abstract
The immune system is closely linked to bone homeostasis and plays a pivotal role in several pathological and inflammatory conditions. Through various pathways it modulates various bone cells and subsequently sustains the physiological bone metabolism. Myeloid-derived suppressor cells (MDSCs) are a group of heterogeneous immature myeloid-derived cells that can exert an immunosuppressive function through a direct cell-to-cell contact, secretion of anti-inflammatory cytokines or specific exosomes. These cells mediate the innate immune response to chronic stress on the skeletal system. In chronic inflammation, MDSCs act as an inner offset to rebalance overactivation of the immune system. Moreover, they have been found to be involved in processes responsible for bone remodeling in different musculoskeletal disorders, autoimmune diseases, infection, and cancer. These cells can not only cause bone erosion by differentiating into osteoclasts, but also alleviate the immune reaction, subsequently leading to long-lastingly impacted bone remodeling. In this review, we discuss the impact of MDSCs on the bone metabolism under several pathological conditions, the involved modulatory pathways as well as potential therapeutic targets in MDSCs to improve bone health.
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Affiliation(s)
- Yi Ren
- Center for Musculoskeletal Surgery, Clinic for Orthopedics, Charité University Hospital, Berlin, Germany
| | - Henrik Bäcker
- Department of Orthopedics, Auckland City Hospital, Auckland, New Zealand
| | - Michael Müller
- Center for Musculoskeletal Surgery, Clinic for Orthopedics, Charité University Hospital, Berlin, Germany
| | - Arne Kienzle
- Center for Musculoskeletal Surgery, Clinic for Orthopedics, Charité University Hospital, Berlin, Germany
- BIH Charité Clinician Scientist Program, BIH Biomedical Innovation Academy, Berlin Institute of Health, Charité — Universitätsmedizin Berlin, Berlin, Germany
- *Correspondence: Arne Kienzle,
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15
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Shirazi S, Ravindran S, Cooper LF. Topography-mediated immunomodulation in osseointegration; Ally or Enemy. Biomaterials 2022; 291:121903. [PMID: 36410109 PMCID: PMC10148651 DOI: 10.1016/j.biomaterials.2022.121903] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022]
Abstract
Osteoimmunology is at full display during endosseous implant osseointegration. Bone formation, maintenance and resorption at the implant surface is a result of bidirectional and dynamic reciprocal communication between the bone and immune cells that extends beyond the well-defined osteoblast-osteoclast signaling. Implant surface topography informs adherent progenitor and immune cell function and their cross-talk to modulate the process of bone accrual. Integrating titanium surface engineering with the principles of immunology is utilized to harness the power of immune system to improve osseointegration in healthy and diseased microenvironments. This review summarizes current information regarding immune cell-titanium implant surface interactions and places these events in the context of surface-mediated immunomodulation and bone regeneration. A mechanistic approach is directed in demonstrating the central role of osteoimmunology in the process of osseointegration and exploring how regulation of immune cell function at the implant-bone interface may be used in future control of clinical therapies. The process of peri-implant bone loss is also informed by immunomodulation at the implant surface. How surface topography is exploited to prevent osteoclastogenesis is considered herein with respect to peri-implant inflammation, osteoclastic precursor-surface interactions, and the upstream/downstream effects of surface topography on immune and progenitor cell function.
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Affiliation(s)
- Sajjad Shirazi
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL, USA.
| | - Sriram Ravindran
- Department of Oral Biology, College of Dentistry, University of Illinois Chicago, Chicago, IL, USA
| | - Lyndon F Cooper
- School of Dentistry, Virginia Commonwealth University, Richmond, VA, USA.
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16
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Khodabukus A, Guyer T, Moore AC, Stevens MM, Guldberg RE, Bursac N. Translating musculoskeletal bioengineering into tissue regeneration therapies. Sci Transl Med 2022; 14:eabn9074. [PMID: 36223445 PMCID: PMC7614064 DOI: 10.1126/scitranslmed.abn9074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Musculoskeletal injuries and disorders are the leading cause of physical disability worldwide and a considerable socioeconomic burden. The lack of effective therapies has driven the development of novel bioengineering approaches that have recently started to gain clinical approvals. In this review, we first discuss the self-repair capacity of the musculoskeletal tissues and describe causes of musculoskeletal dysfunction. We then review the development of novel biomaterial, immunomodulatory, cellular, and gene therapies to treat musculoskeletal disorders. Last, we consider the recent regulatory changes and future areas of technological progress that can accelerate translation of these therapies to clinical practice.
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Affiliation(s)
- Alastair Khodabukus
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
| | - Tyler Guyer
- Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR 97403, USA
| | - Axel C Moore
- Departments of Materials and Bioengineering and Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK.,Department of Biomedical Engineering, University of Delaware, Newark, DE 19716, USA
| | - Molly M Stevens
- Departments of Materials and Bioengineering and Institute of Biomedical Engineering, Imperial College London, London SW7 2AZ, UK.,Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm 17177, Sweden
| | - Robert E Guldberg
- Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, OR 97403, USA
| | - Nenad Bursac
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
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17
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Gautreaux MA, Tucker LJ, Person XJ, Zetterholm HK, Priddy LB. Review of immunological plasma markers for longitudinal analysis of inflammation and infection in rat models. J Orthop Res 2022; 40:1251-1262. [PMID: 35315119 PMCID: PMC9106877 DOI: 10.1002/jor.25330] [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: 12/22/2021] [Revised: 02/24/2022] [Accepted: 03/11/2022] [Indexed: 02/04/2023]
Abstract
Disease or trauma of orthopedic tissues, including osteomyelitis, osteoporosis, arthritis, and fracture, results in a complex immune response, leading to a change in the concentration and milieu of immunological cells and proteins in the blood. While C-reactive protein levels and white blood cell counts are used to track inflammation and infection clinically, controlled longitudinal studies of disease/injury progression are limited. Thus, the use of clinically-relevant animal models can enable a more in-depth understanding of disease/injury progression and treatment efficacy. Though longitudinal tracking of immunological markers has been performed in rat models of various inflammatory and infectious diseases, currently there is no consensus on which markers are sensitive and reliable for tracking levels of inflammation and/or infection. Here, we discuss the blood markers that are most consistent with other outcome measures of the immune response in the rat, by reviewing their utility for longitudinal tracking of infection and/or inflammation in the following types of models: localized inflammation/arthritis, injury, infection, and injury + infection. While cytokines and acute phase proteins such as haptoglobin, fibrinogen, and α2 -macroglobulin demonstrate utility for tracking immunological response in many inflammation and infection models, there is likely not a singular superior marker for all rat models. Instead, longitudinal characterization of these models may benefit from evaluation of a collection of cytokines and/or acute phase proteins. Identification of immunological plasma markers indicative of the progression of a pathology will allow for the refinement of animal models for understanding, diagnosing, and treating inflammatory and infectious diseases of orthopedic tissues.
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Affiliation(s)
- Malley A. Gautreaux
- Department of Agricultural and Biological Engineering, Mississippi State University, Mississippi State, MS USA
| | - Luke J. Tucker
- Department of Agricultural and Biological Engineering, Mississippi State University, Mississippi State, MS USA
| | - Xavier J. Person
- Department of Agricultural and Biological Engineering, Mississippi State University, Mississippi State, MS USA
| | - Haley K. Zetterholm
- College of Veterinary Medicine, Mississippi State University, Mississippi State, MS USA
| | - Lauren B. Priddy
- Department of Agricultural and Biological Engineering, Mississippi State University, Mississippi State, MS USA.,corresponding author, Contact: , (662) 325-5988, Department of Agricultural and Biological Engineering, Mississippi State University, 130 Creelman Street, Mississippi State, MS, USA 39762
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18
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Hua Z, Li S, Liu Q, Yu M, Liao M, Zhang H, Xiang X, Wu Q. Low-Intensity Pulsed Ultrasound Promotes Osteogenic Potential of iPSC-Derived MSCs but Fails to Simplify the iPSC-EB-MSC Differentiation Process. Front Bioeng Biotechnol 2022; 10:841778. [PMID: 35656194 PMCID: PMC9152674 DOI: 10.3389/fbioe.2022.841778] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 04/07/2022] [Indexed: 11/29/2022] Open
Abstract
Induced pluripotent stem cell (iPSC)-derived mesenchymal stem cells (iMSCs) are a promising cell source for bone tissue engineering. However, iMSCs have less osteogenic potential than BMSCs, and the classical iPSC-EB-iMSC process to derive iMSCs from iPSCs is too laborious as it involves multiple in vitro steps. Low-intensity pulsed ultrasound (LIPUS) is a safe therapeutic modality used to promote osteogenic differentiation of stem cells. Whether LIPUS can facilitate osteogenic differentiation of iMSCs and simplify the iPSC-EB-iMSC process is unknown. We stimulated iMSCs with LIPUS at different output intensities (20, 40, and 60 mW/cm2) and duty cycles (20, 50, and 80%). Results of ALP activity assay, osteogenic gene expression, and mineralization quantification demonstrated that LIPUS was able to promote osteogenic differentiation of iMSCs, and it worked best at the intensity of 40 mW/cm2 and the duty cycle of 50% (LIPUS40/50). The Wnt/β-catenin signaling pathway was involved in LIPUS40/50-mediated osteogenesis. When cranial bone defects were implanted with iMSCs, LIPUS40/50 stimulation resulted in a significant higher new bone filling rate (72.63 ± 17.04)% than the non-stimulated ones (34.85 ± 4.53)%. Daily exposure to LIPUS40/50 may accelerate embryoid body (EB)-MSC transition, but it failed to drive iPSCs or EB cells to an osteogenic lineage directly. This study is the first to demonstrate the pro-osteogenic effect of LIPUS on iMSCs. Although LIPUS40/50 failed to simplify the classical iPSC-EB-MSC differentiation process, our preliminary results suggest that LIPUS with a more suitable parameter set may achieve the goal. LIPUS is a promising method to establish an efficient model for iPSC application.
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Affiliation(s)
| | | | | | | | | | | | | | - Qingqing Wu
- *Correspondence: Qingqing Wu, ; Xuerong Xiang,
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19
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Lopez EM, Leclerc K, Ramsukh M, Parente PE, Patel K, Aranda CJ, Josephson AM, Remark LH, Kirby DJ, Buchalter DB, Hadi T, Morgani SM, Ramkhelawon B, Leucht P. Modulating the systemic and local adaptive immune response after fracture improves bone regeneration during aging. Bone 2022; 157:116324. [PMID: 34998981 PMCID: PMC9016796 DOI: 10.1016/j.bone.2021.116324] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 12/21/2021] [Accepted: 12/28/2021] [Indexed: 01/04/2023]
Abstract
Tissue injury leads to the well-orchestrated mobilization of systemic and local innate and adaptive immune cells. During aging, immune cell recruitment is dysregulated, resulting in an aberrant inflammatory response that is detrimental for successful healing. Here, we precisely define the systemic and local immune cell response after femur fracture in young and aging mice and identify increased toll-like receptor signaling as a potential culprit for the abnormal immune cell recruitment observed in aging animals. Myd88, an upstream regulator of TLR-signaling lies at the core of this aging phenotype, and local treatment of femur fractures with a Myd88 antagonist in middle-aged mice reverses the aging phenotype of impaired fracture healing, thus offering a promising therapeutic target that could overcome the negative impact of aging on bone regeneration.
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Affiliation(s)
- Emma Muiños Lopez
- Department of Orthopaedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - Kevin Leclerc
- Department of Orthopaedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - Malissa Ramsukh
- Department of Orthopaedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - Paulo El Parente
- Department of Orthopaedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - Karan Patel
- Department of Orthopaedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - Carlos J Aranda
- Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America; Jaffe Food Allergy Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States of America
| | - Anna M Josephson
- Department of Orthopaedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - Lindsey H Remark
- Department of Orthopaedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America; Department of Cell Biology, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - David J Kirby
- Department of Orthopaedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - Daniel B Buchalter
- Department of Orthopaedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - Tarik Hadi
- Department of Surgery, Division of Endovascular Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - Sophie M Morgani
- Department of Orthopaedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - Bhama Ramkhelawon
- Department of Surgery, Division of Endovascular Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America; Department of Cell Biology, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America
| | - Philipp Leucht
- Department of Orthopaedic Surgery, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America; Department of Cell Biology, NYU Robert I. Grossman School of Medicine, New York, NY, United States of America.
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20
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Vantucci CE, Guyer T, Leguineche K, Chatterjee P, Lin A, Nash KE, Hastings MA, Fulton T, Smith CT, Maniar D, Frey Rubio DA, Peterson K, Harrer JA, Willett NJ, Roy K, Guldberg RE. Systemic Immune Modulation Alters Local Bone Regeneration in a Delayed Treatment Composite Model of Non-Union Extremity Trauma. Front Surg 2022; 9:934773. [PMID: 35874126 PMCID: PMC9300902 DOI: 10.3389/fsurg.2022.934773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 06/20/2022] [Indexed: 11/25/2022] Open
Abstract
Bone non-unions resulting from severe traumatic injuries pose significant clinical challenges, and the biological factors that drive progression towards and healing from these injuries are still not well understood. Recently, a dysregulated systemic immune response following musculoskeletal trauma has been identified as a contributing factor for poor outcomes and complications such as infections. In particular, myeloid-derived suppressor cells (MDSCs), immunosuppressive myeloid-lineage cells that expand in response to traumatic injury, have been highlighted as a potential therapeutic target to restore systemic immune homeostasis and ultimately improve functional bone regeneration. Previously, we have developed a novel immunomodulatory therapeutic strategy to deplete MDSCs using Janus gold nanoparticles that mimic the structure and function of antibodies. Here, in a preclinical delayed treatment composite injury model of bone and muscle trauma, we investigate the effects of these nanoparticles on circulating MDSCs, systemic immune profiles, and functional bone regeneration. Unexpectedly, treatment with the nanoparticles resulted in depletion of the high side scatter subset of MDSCs and an increase in the low side scatter subset of MDSCs, resulting in an overall increase in total MDSCs. This overall increase correlated with a decrease in bone volume (P = 0.057) at 6 weeks post-treatment and a significant decrease in mechanical strength at 12 weeks post-treatment compared to untreated rats. Furthermore, MDSCs correlated negatively with endpoint bone healing at multiple timepoints. Single cell RNA sequencing of circulating immune cells revealed differing gene expression of the SNAb target molecule S100A8/A9 in MDSC sub-populations, highlighting a potential need for more targeted approaches to MDSC immunomodulatory treatment following trauma. These results provide further insights on the role of systemic immune dysregulation for severe trauma outcomes in the case of non-unions and composite injuries and suggest the need for additional studies on targeted immunomodulatory interventions to enhance healing.
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Affiliation(s)
- Casey E Vantucci
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States of America.,Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, United States of America
| | - Tyler Guyer
- Knight Campus or Accelerating Scientific Impact, University of Oregon, Eugene, OR, United States of America
| | - Kelly Leguineche
- Knight Campus or Accelerating Scientific Impact, University of Oregon, Eugene, OR, United States of America
| | - Paramita Chatterjee
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, United States of America.,Marcus Center for Therapeutic Cell Characterization and Manufacturing, Georgia Institute of Technology, Atlanta, GA, United States of America
| | - Angela Lin
- Knight Campus or Accelerating Scientific Impact, University of Oregon, Eugene, OR, United States of America
| | - Kylie E Nash
- Knight Campus or Accelerating Scientific Impact, University of Oregon, Eugene, OR, United States of America
| | - Molly Ann Hastings
- Knight Campus or Accelerating Scientific Impact, University of Oregon, Eugene, OR, United States of America
| | - Travis Fulton
- The Atlanta Veterans Affairs Medical Center Atlanta, Decatur, GA, United States of America.,Department of Orthopaedics, Emory University, Atlanta, GA, United States of America
| | - Clinton T Smith
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States of America
| | - Drishti Maniar
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States of America.,Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, United States of America
| | - David A Frey Rubio
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States of America
| | - Kaya Peterson
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States of America
| | - Julia Andraca Harrer
- Knight Campus or Accelerating Scientific Impact, University of Oregon, Eugene, OR, United States of America
| | - Nick J Willett
- Knight Campus or Accelerating Scientific Impact, University of Oregon, Eugene, OR, United States of America.,The Atlanta Veterans Affairs Medical Center Atlanta, Decatur, GA, United States of America.,Department of Orthopaedics, Emory University, Atlanta, GA, United States of America
| | - Krishnendu Roy
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA, United States of America.,Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, GA, United States of America
| | - Robert E Guldberg
- Knight Campus or Accelerating Scientific Impact, University of Oregon, Eugene, OR, United States of America
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21
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Wang Y, Chang E, Zhu R, Liu X, Wang G, Li N, Zhang W, Zhou J, Wang X, Sun M, Zhang J. An atlas of dynamic peripheral blood mononuclear cell landscapes in human perioperative anaesthesia/surgery. Clin Transl Med 2022; 12:e663. [PMID: 35061932 PMCID: PMC8782495 DOI: 10.1002/ctm2.663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 11/08/2021] [Accepted: 11/14/2021] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND The number of patients receiving anaesthesia is increasing, but the impact of general anaesthesia on the patient's immune system remains unclear. The aim of the present study is to investigate dynamics of systemic immune cell responses to anaesthesia during perioperative period at a single-cell solution. METHODS The peripheral blood mononuclear cells (PBMCs) and clinical phenomes were harvested and recorded 1 day before anaesthesia and operation, just after anaesthesia (0 h), and 24 and 48 h after anaesthesia. Single-cell sequencing of PBMCs was performed with 10× genomics. Subsequently, data analysis was performed with R packages: Seurat, clusterProfiler and CellPhoneDB. RESULTS We found that the cluster of CD56+ NK cells changed at 0 h and the cluster of monocytes increased at 24 and 48 h after anaesthesia. The characteristic genes of CD56+ NK cells were mainly enriched in the Jak-STAT signalling pathway and in cell adhesion molecules (24 h) and carbon metabolism (48 h). The communication between CD14+ monocytes and other cells decreased substantially 0 and 48 h after operation. The number of plasma cells enriched in protein export in men was substantially higher than that in women, although the total number in patients decreased 24 h after operation. CD14+ monocytes dominated that cell-cell communications appeared in females, while CD8+ NKT cells dominated that cell-cell communications appeared in male. The number of plasma cells increased substantially in patients with major surgical trauma, with enrichments of pentose phosphate pathway. The communications between plasma cells with other cells varied between surgical severities and anaesthetic forms. The intravenous anaesthesia caused major alterations of cell types, including CD14+ monocytes, plasmas cells and MAIT cells, as compared with inhalation anaesthesia. CONCLUSION We initially reported the roles of perioperative anaesthesia/surgery in temporal phenomes of circulating immune cells at a single-cell solution. Thus, the protection against immune cell changes would benefit the recovery from anaesthesia/surgery.
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Affiliation(s)
- Yang‐Yang Wang
- Department of Anesthesiology and Perioperative MedicineCenter for Clinical Single Cell BiomedicineHenan Provincial People's Hospital, People's Hospital of Zhengzhou UniversityZhengzhouChina
| | - En‐Qiang Chang
- Department of Anesthesiology and Perioperative MedicineCenter for Clinical Single Cell BiomedicineHenan Provincial People's Hospital, People's Hospital of Zhengzhou UniversityZhengzhouChina
| | - Rui‐Lou Zhu
- Department of Anesthesiology and Perioperative MedicineCenter for Clinical Single Cell BiomedicineHenan Provincial People's Hospital, People's Hospital of Zhengzhou UniversityZhengzhouChina
| | - Xiao‐Zhuan Liu
- Center for Clinical Single Cell BiomedicineHenan Provincial People's HospitalPeople's Hospital of Zhengzhou UniversityZhengzhouChina
| | - Guang‐Zhi Wang
- Department of Anesthesiology and Perioperative MedicineCenter for Clinical Single Cell BiomedicineHenan Provincial People's Hospital, People's Hospital of Zhengzhou UniversityZhengzhouChina
| | - Ning‐Tao Li
- Department of Anesthesiology and Perioperative MedicineCenter for Clinical Single Cell BiomedicineHenan Provincial People's Hospital, People's Hospital of Zhengzhou UniversityZhengzhouChina
| | - Wei Zhang
- Department of Anesthesiology and Perioperative MedicineCenter for Clinical Single Cell BiomedicineHenan Provincial People's Hospital, People's Hospital of Zhengzhou UniversityZhengzhouChina
| | - Jun Zhou
- Department of Anesthesiology and Perioperative MedicineCenter for Clinical Single Cell BiomedicineHenan Provincial People's Hospital, People's Hospital of Zhengzhou UniversityZhengzhouChina
| | - Xiang‐Dong Wang
- Center for Clinical Single Cell BiomedicineHenan Provincial People's HospitalPeople's Hospital of Zhengzhou UniversityZhengzhouChina
- Zhongshan Hospital Institute for Clinical ScienceShanghai Institute of Clinical BioinformaticsShanghai Engineering Research for AI Technology for Cardiopulmonary DiseasesFudan UniversityShanghaiChina
| | - Ming‐Yang Sun
- Department of Anesthesiology and Perioperative MedicineCenter for Clinical Single Cell BiomedicineHenan Provincial People's Hospital, People's Hospital of Zhengzhou UniversityZhengzhouChina
| | - Jia‐Qiang Zhang
- Department of Anesthesiology and Perioperative MedicineCenter for Clinical Single Cell BiomedicineHenan Provincial People's Hospital, People's Hospital of Zhengzhou UniversityZhengzhouChina
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22
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Balbinot GDS, Bahlis EADC, Visioli F, Leitune VCB, Soares RMD, Collares FM. Polybutylene-adipate-terephthalate and niobium-containing bioactive glasses composites: Development of barrier membranes with adjusted properties for guided bone regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 125:112115. [PMID: 33965098 DOI: 10.1016/j.msec.2021.112115] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 03/29/2021] [Accepted: 04/13/2021] [Indexed: 02/08/2023]
Abstract
This study aimed to develop bioactive guided bone regeneration (GBR) membranes by manufacturing PBAT/BAGNb composites as casting films. Composites were produced by melt-extrusion, and BAGNb was added at 10 wt%, 20 wt%, and 30 wt% concentration. Pure PBAT membranes were used as a control (0wt%BAGNb). FTIR and thermogravimetric analysis characterized the composites. Barrier membranes were produced by solvent casting, and their mechanical and surface properties were assessed by tensile strength test and contact angle analysis, respectively. The ion release and cell behavior were evaluated by pH, cell proliferation, and mineralization. Composites were successfully produced, and the chemical structure showed no interference of BAGNb in the PBAT structure. The addition of BAGNb increased the stiffness of the membranes and reduced the contact angle, increasing the roughness in one side of the membrane. Sustained pH increment was observed for BAGNb-containing membranes with increased proliferation and mineralization as the concentration of BAGNb increases. The incorporation of up to 30 wt% of BAGNb into PBAT barrier membranes was able to maintain adequate chemical-mechanical properties leading to the production of materials with tailored surface properties and bioactivity. Finally, this biomaterial class showed outstanding potential and may contribute to bone formation in GBR procedures.
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Affiliation(s)
- Gabriela de Souza Balbinot
- Dental Materials Laboratory, School of Dentistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
| | | | - Fernanda Visioli
- Patology Laboratory, School of Dentistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
| | | | | | - Fabricio Mezzomo Collares
- Dental Materials Laboratory, School of Dentistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
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23
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Mabilleau G, Delneste Y, Papon N. Predicting Bone Regeneration with a Simple Blood Test. Trends Mol Med 2021; 27:622-623. [PMID: 33811008 DOI: 10.1016/j.molmed.2021.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/13/2021] [Accepted: 03/16/2021] [Indexed: 11/19/2022]
Abstract
Cheng and colleagues reported previously unexplored correlations between circulating levels of immune cells and biomarkers and bone regeneration, which served as support for the construction of a model ensemble that can predict bone regeneration. If validated in humans, this tool could be valuable in the management of non-union fractures.
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Affiliation(s)
- Guillaume Mabilleau
- Univ Angers, GEROM, SFR ICAT, F-49000 Angers, France; CHU Angers, Cell and Tissue Pathology Department, Bone Pathology, F-49933 Angers, France.
| | - Yves Delneste
- Univ Angers, Université de Nantes, Inserm, CRCINA, SFR ICAT, F-49000 Angers, France
| | - Nicolas Papon
- Univ Angers, GEIHP, SFR ICAT, F-49000 Angers, France
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