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Liu Z, Xie W, Li H, Liu X, Lu Y, Lu B, Deng Z, Li Y. Novel perspectives on leptin in osteoarthritis: Focus on aging. Genes Dis 2024; 11:101159. [PMID: 39229323 PMCID: PMC11369483 DOI: 10.1016/j.gendis.2023.101159] [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: 04/07/2023] [Revised: 09/10/2023] [Accepted: 09/16/2023] [Indexed: 09/05/2024] Open
Abstract
Osteoarthritis (OA) is a common chronic joint disease characterized by articular cartilage degeneration, subchondral sclerosis, synovitis, and osteophyte formation. OA is associated with disability and impaired quality of life, particularly among the elderly. Leptin, a 16-kD non-glycosylated protein encoded by the obese gene, is produced on a systemic and local basis in adipose tissue and the infrapatellar fat pad located in the knee. The metabolic mechanisms employed by leptin in OA development have been widely studied, with attention being paid to aging as a corroborative risk factor for OA. Hence, in this review, we have attempted to establish a potential link between leptin and OA, by focusing on aging-associated mechanisms and proposing leptin as a potential diagnostic and therapeutic target in aging-related mechanisms of OA that may provide fruitful guidance and emphasis for future research.
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Affiliation(s)
- Zimo Liu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Xiangya School of Medicine, Central South University, Changsha, Hunan 410083, China
| | - Wenqing Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Hengzhen Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Xu Liu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yao Lu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Xiangya School of Medicine, Central South University, Changsha, Hunan 410083, China
| | - Bangbao Lu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zhenhan Deng
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Yusheng Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
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Dong Y, Yuan H, Ma G, Cao H. Bone-muscle crosstalk under physiological and pathological conditions. Cell Mol Life Sci 2024; 81:310. [PMID: 39066929 PMCID: PMC11335237 DOI: 10.1007/s00018-024-05331-y] [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: 02/22/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 07/30/2024]
Abstract
Anatomically connected bones and muscles determine movement of the body. Forces exerted on muscles are then turned to bones to promote osteogenesis. The crosstalk between muscle and bone has been identified as mechanotransduction previously. In addition to the mechanical features, bones and muscles are also secretory organs which interact closely with one another through producing myokines and osteokines. Moreover, besides the mechanical features, other factors, such as nutrition metabolism, physiological rhythm, age, etc., also affect bone-muscle crosstalk. What's more, osteogenesis and myogenesis within motor system occur almost in parallel. Pathologically, defective muscles are always detected in bone associated diseases and induce the osteopenia, inflammation and abnormal bone metabolism, etc., through biomechanical or biochemical coupling. Hence, we summarize the study findings of bone-muscle crosstalk and propose potential strategies to improve the skeletal or muscular symptoms of certain diseases. Altogether, functional improvement of bones or muscles is beneficial to each other within motor system.
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Affiliation(s)
- Yuechao Dong
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Hongyan Yuan
- Shenzhen Key Laboratory of Soft Mechanics & Smart Manufacturing, Department of Mechanics and Aerospace Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Guixing Ma
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Huiling Cao
- Department of Biochemistry, School of Medicine, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Key University Laboratory of Metabolism and Health of Guangdong, Southern University of Science and Technology, Southern University of Science and Technology, Shenzhen, 518055, China.
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McAlindon TE, Hunnicutt JL, Roberts MB, Haugen IK, Schaefer LF, Driban JB, Lu B, Duryea J, Smith SE, Booth SL, Petty GA, Mathiessen A, Zeng L, Eaton C. Associations of inflammatory and metabolic biomarkers with incident erosive hand osteoarthritis in the osteoarthritis initiative cohort. Osteoarthritis Cartilage 2024; 32:592-600. [PMID: 38311107 PMCID: PMC11031286 DOI: 10.1016/j.joca.2023.10.011] [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: 02/06/2023] [Revised: 10/19/2023] [Accepted: 10/30/2023] [Indexed: 02/06/2024]
Abstract
OBJECTIVE Erosive hand osteoarthritis (eHOA) is a subtype of hand osteoarthritis (OA) that develops in finger joints with pre-existing OA and is differentiated by clinical characteristics (hand pain/disability, inflammation, and erosions) that suggest inflammatory or metabolic processes. METHOD This was a longitudinal nested case-cohort design among Osteoarthritis Initiative participants who had hand radiographs at baseline and 48-months, and biospecimens collected at baseline. We classified incident radiographic eHOA in individuals with ≥1 joint with Kellgren-Lawrence ≥2 and a central erosion present at 48-months but not at baseline. We used a random representative sample (n = 1282) for comparison. We measured serum biomarkers of inflammation, insulin resistance and dysglycemia, and adipokines using immunoassays and enzymatic colorimetric procedures, blinded to case status. RESULTS Eighty-six participants developed incident radiographic eHOA. In the multivariate analyses adjusted for age, gender, race, smoking, and body mass index, and after adjustment for multiple analyses, incident radiographic eHOA was associated with elevated levels of interleukin-7 (risk ratio (RR) per SD = 1.30 [95% confidence interval (CI) 1.09, 1.55] p trend 0.01). CONCLUSION This exploratory study suggests an association of elevated interleukin-7, an inflammatory cytokine, with incident eHOA, while other cytokines or biomarkers of metabolic inflammation were not associated. Interleukin-7 may mediate inflammation and tissue damage in susceptible osteoarthritic finger joints and participate in erosive progression.
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Affiliation(s)
- Timothy E McAlindon
- Division of Rheumatology, Allergy, and Immunology, Tufts Medical Center, Boston, MA, USA.
| | | | - Mary B Roberts
- Care New England Medical Group/Primary Care and Specialty Services, Pawtucket, RI, USA.
| | - Ida K Haugen
- Center for Treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Diakonhjemmet Hospital, Oslo, Norway.
| | - Lena F Schaefer
- Division of Musculoskeletal Imaging and Intervention, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
| | - Jeffrey B Driban
- Division of Rheumatology, Allergy, and Immunology, Tufts Medical Center, Boston, MA, USA.
| | - Bing Lu
- UConn Health, University of Connecticut, Farmington, CT, USA.
| | - Jeffrey Duryea
- Division of Musculoskeletal Imaging and Intervention, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
| | - Stacy E Smith
- Division of Musculoskeletal Imaging and Intervention, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
| | - Sarah L Booth
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA.
| | - Gayle A Petty
- Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA.
| | - Alexander Mathiessen
- Division of Musculoskeletal Imaging and Intervention, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
| | - Li Zeng
- Department of Integrative Physiology and Pathobiology, School of Medicine, Tufts University, Boston, MA, USA.
| | - Charles Eaton
- Care New England Medical Group/Primary Care and Specialty Services, Pawtucket, RI, USA.
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Zhang J, Li K, Qiu X. Exploring causal correlations between inflammatory cytokines and knee osteoarthritis: a two-sample Mendelian randomization. Front Immunol 2024; 15:1362012. [PMID: 38698846 PMCID: PMC11063282 DOI: 10.3389/fimmu.2024.1362012] [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: 12/27/2023] [Accepted: 04/04/2024] [Indexed: 05/05/2024] Open
Abstract
Objectives Knee osteoarthritis (KOA) and certain inflammatory cytokines (such as interleukin 1 [IL-1] and tumor necrosis factor alpha [TNF-a]) are related; however, the causal relationship remains unclear. Here, we aimed to assess the causal relationship between 41 inflammatory cytokines and KOA using Mendelian randomization (MR). Methods Two-sample bidirectional MR was performed using genetic variation data for 41 inflammatory cytokines that were obtained from European Genome-Wide Association Study (GWAS) data (n=8293). KOA-related genetic association data were also obtained from European GWAS data (n=40,3124). Inverse variance weighting (IVW), MR, heterogeneity, sensitivity, and multiple validation analyses were performed. Results Granulocyte colony-stimulating factor (G-CSF) or colony-stimulating factor 3 (CSF-3) levels were negatively associated with the risk of developing KOA (OR: 0.93, 95%CI:0.89-0.99, P=0.015). Additionally, macrophage inflammatory protein-1 alpha (MIP-1A/CCL3) was a consequence of KOA (OR: 0.72, 95%CI:0.54-0.97, P=0.032). No causal relationship was evident between other inflammatory cytokines and KOA development. Conclusion This study suggests that certain inflammatory cytokines may be associated with KOA etiology. G-CSF exerts an upstream influence on KOA development, whereas MIP-1A (CCL-3) acts as a downstream factor.
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Affiliation(s)
| | | | - Xiuyue Qiu
- Nursing School, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
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Fernández-Torres J, Ilizaliturri-Sánchez V, Martínez-Flores K, Lozada-Pérez CA, Espinosa-Morales R, Zamudio-Cuevas Y. An update on the study of synovial fluid in the geriatric patient. REUMATOLOGIA CLINICA 2024; 20:193-198. [PMID: 38644030 DOI: 10.1016/j.reumae.2023.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 12/18/2023] [Accepted: 12/23/2023] [Indexed: 04/23/2024]
Abstract
BACKGROUND The characteristics of synovial fluid (SF) in geriatric patients differ from those in younger patients. In Mexico, epidemiologic data on the incidence of different rheumatic diseases in geriatric patients are scarce. OBJECTIVE To describe the physical characteristics of geriatric SF and the prevalence of crystals in knee and other joint aspirates from patients with previously diagnosed joint disease. MATERIALS AND METHODS A retrospective study was performed with a baseline of 517 SF samples between 2011 and 2023. White blood cell count was performed by Neubauer chamber and crystals were identified by polarized light microscopy. Descriptive statistical analysis was performed and prevalence was reported as a percentage. RESULTS The mean age of the adults was 73.5±5.0 years, 54.4% were women and 45.6% were men. The mean SF volume was 6.3±9.5mL in older adults and 15.3±24.9mL in those younger than 65 years. The mean viscosity in older adults was 9.5±4.5mm and the mean leukocyte count was 7352±16,402leukocytes/mm3. Seventy percent of the older adults' SFs were referred to the laboratory for osteoarthritis (OA), with lower proportions for rheumatoid arthritis (RA) (14.6%) and gout (5.1%). Of the crystals observed in the geriatric population, 14.6% corresponded to monosodium urate crystals (CUM) and 18.9% to calcium pyrophosphate crystals (CPP). CONCLUSIONS The characteristics of LS in older adults were smaller volume, increased viscosity, and non-inflammatory. The main diagnoses were OA, RA, and gout. The crystal content of the SF of the geriatric population corresponded mainly to CPP.
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Affiliation(s)
- Javier Fernández-Torres
- Laboratorio de Líquido Sinovial, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra-Ibarra, Mexico City 14389, Mexico
| | - Víctor Ilizaliturri-Sánchez
- Servicio de Reemplazo Articular Cadera-Rodilla, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra-Ibarra, Mexico City 14389, Mexico
| | - Karina Martínez-Flores
- Laboratorio de Líquido Sinovial, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra-Ibarra, Mexico City 14389, Mexico
| | - Carlos Alberto Lozada-Pérez
- División de Reumatología, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra-Ibarra, Mexico City 14389, Mexico
| | - Rolando Espinosa-Morales
- División de Reumatología, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra-Ibarra, Mexico City 14389, Mexico
| | - Yessica Zamudio-Cuevas
- Laboratorio de Líquido Sinovial, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra-Ibarra, Mexico City 14389, Mexico.
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Watanabe S, Matsushita T, Nishida K, Nagai K, Hoshino Y, Matsumoto T, Kuroda R. Knee Osteotomy Decreases Joint Inflammation Based on Synovial Histology and Synovial Fluid Analysis. Arthroscopy 2024; 40:830-843. [PMID: 37474081 DOI: 10.1016/j.arthro.2023.07.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 06/26/2023] [Accepted: 07/01/2023] [Indexed: 07/22/2023]
Abstract
PURPOSE To examine the biological changes in the joints of patients with knee osteoarthritis (OA) before and after around-knee osteotomy (AKO), focusing on synovial fluid (SF) and synovial pathological changes. METHODS Patients who underwent AKO for medial compartment knee OA between 2019 and 2021 were examined. SF and synovium were obtained at the time of AKO and plate removal after bone union (mean, 16.8 months [range: 11-38 months] postoperatively). SF volume and interleukin (IL)-6 concentrations in SF were assayed using enzyme-linked immunosorbent assay. Synovitis was assessed histologically using a semiquantitative scoring system. Macrophage infiltration was assessed by immunohistochemistry using a semiquantitative score for F4/80 expression. The M1/M2 ratio was calculated using percentage of cells positive for CD80 and CD163. The expression of proinflammatory cytokines was assessed by the percentage of IL-1β- and IL-6-positive cells. The number of vascular endothelial growth factor-positive luminal structures was counted to assess angiogenesis. The change in each parameter was compared before and after AKO using the Wilcoxon matched-pairs signed-rank test. RESULTS Twenty-four knees of 21 patients were included. SF volume and IL-6 concentration significantly decreased postoperatively (12.6 ± 2.1 mL vs 4.2 ± 0.6 mL; P < .0001 and 50.5 ± 8.6 pg/mL vs 20.7 ± 3.8 pg/mL; P = .0001, respectively). A significant reduction in synovitis score (P = .0001), macrophage infiltration (P < .0003), M1/M2 ratio (P < .0007), angiogenesis (P < .0001), and the percentage of IL-1β- and IL-6-positive cells in the intima (P < .008 and P < .002, respectively) was found after AKO. CONCLUSIONS SF volume and IL-6 concentrations in the SF decreased and inflammatory synovium pathology improved after AKO. In addition to biomechanical changes, the biological environment of the joint can be improved after AKO. LEVEL OF EVIDENCE Level IV, retrospective therapeutic case series.
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Affiliation(s)
- Shu Watanabe
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Takehiko Matsushita
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan.
| | - Kyohei Nishida
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Kanto Nagai
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Yuichi Hoshino
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Tomoyuki Matsumoto
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Japan
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Jiang Z, Cai X, Yao X, Zhang S, Lan W, Jin Z, Tang F, Ma W, Yao X, Chen C, Lan T. The causal effect of cytokine cycling levels on osteoarthritis: a bidirectional Mendelian randomized study. Front Immunol 2024; 14:1334361. [PMID: 38274820 PMCID: PMC10808687 DOI: 10.3389/fimmu.2023.1334361] [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: 11/07/2023] [Accepted: 12/27/2023] [Indexed: 01/27/2024] Open
Abstract
Objective Osteoarthritis (OA) is the most prevalent joint disease globally, serving as a primary cause of pain and disability. However, the pathological processes underlying OA remain incompletely understood. Several studies have noted an association between cytokines and OA, yet the causal link between them remains ambiguous. This study aims to identify cytokines potentially causally related to OA using Mendelian randomization (MR) analysis, informing early clinical diagnosis and treatment decisions. Methods We conducted a genome-wide association study (GWAS) on 12 OA traits involving 177,517 cases and 649,173 controls from 9 international cohorts. For discovery MR analysis, we used 103 cytokines from two European populations as instrumental variables (IVs). Concurrently, another European population OA GWAS database (36,185 cases and 135,185 controls) was used to replicate MR analysis, employing the inverse variance weighted (IVW) method as the primary analytic approach. Additional methods tested included MR Egger, Weighted median, and Weighted mode. We merged the MR findings through meta-analysis. Heterogeneity testing, level pleiotropy testing (MR Egger intercept test and MRPRESSO), and sensitivity analysis via Leave One Out (LOO) were conducted to verify result robustness. Lastly, reverse MR analysis was performed. Results The meta-analysis merger revealed a correlation between CX3CL1 cycle levels and increased OA risk (OR=1.070, 95% CI: 1.040-1.110; P<0.010). We also observed associations between MCP4 (OR=0.930, 95% CI: 0.890-0.970; P<0.010) and CCL25 (OR=0.930, 95% CI: 0.890-0.970; P<0.010) with reduced OA risk. The sensitivity analysis results corroborate the robustness of these findings. Conclusion Our MR analysis indicates a potential causal relationship between CX3CL1, MCP4, CCL25, and OA risk changes. Further research is warranted to explore the influence of cytokines on OA development.
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Affiliation(s)
- Zong Jiang
- Second Clinical Medical College, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Xin Cai
- Department of Rheumatology and Immunology, The First People's Hospital Of Guiyang, Guiyang, China
| | - Xiaoling Yao
- Second Clinical Medical College, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Shaoqin Zhang
- Department of Rheumatology and Immunology, The First People's Hospital Of Guiyang, Guiyang, China
| | - Weiya Lan
- Second Clinical Medical College, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Zexu Jin
- Department of Rheumatology and Immunology, The First People's Hospital Of Guiyang, Guiyang, China
| | - Fang Tang
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Wukai Ma
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Xueming Yao
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Changming Chen
- Department of Rheumatology and Immunology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Tianzuo Lan
- Department of Rheumatology and Immunology, The First People's Hospital Of Guiyang, Guiyang, China
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Yang L, Ma J, Niu P, Zhang B, Wang Z. Synovial inducible costimulator is correlated with severity in knee osteoarthritis. Scand J Immunol 2023; 98:e13315. [PMID: 38441341 DOI: 10.1111/sji.13315] [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: 02/14/2023] [Revised: 07/09/2023] [Accepted: 07/13/2023] [Indexed: 03/07/2024]
Abstract
Osteoarthritis (OA) is a joint disease characterized by articular cartilage loss, which afflicts many people worldwide. Knowing the disease severity can improve the recovery rate of OA. Antibody array technology was utilized for protein expression profiling of synovial fluid from eight mild knee OA patients, eight severe knee OA patients and 16 healthy persons. Subsequently, 48 mild OA patients, 56 severe OA patients and 24 healthy controls were utilized for validation by ELISA. In the protein expression profiling, inducible costimulator (ICOS) levels were markedly higher in OA patients compared with those in the healthy population, and were significantly higher in severe OA than those in mild OA. Furthermore, ICOS levels were shown to be significantly correlated with WOMAC, MRI-MOAKS and MRI-UTE-T2* scores. The multivariate logistic regression analysis indicated that higher levels of ICOS could significantly increase the risk of severe OA. Synovial ICOS levels were positively correlated with the radiographic severity of OA. ICOS may represent a biomarker for predicting the OA severity and may be involved in the development and progression of knee OA.
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Affiliation(s)
- Lvlin Yang
- Department of Orthopedics, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Province, China
| | - Jun Ma
- Department of Orthopedics, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Province, China
| | - Pengying Niu
- Department of Medical Imaging Center, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Province, China
| | - Bowen Zhang
- Department of Orthopedics, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Province, China
| | - Zhiyan Wang
- Department of Emergency, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, Ningxia Province, China
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Dongiovanni P, Meroni M, Casati S, Goldoni R, Thomaz DV, Kehr NS, Galimberti D, Del Fabbro M, Tartaglia GM. Salivary biomarkers: novel noninvasive tools to diagnose chronic inflammation. Int J Oral Sci 2023; 15:27. [PMID: 37386003 DOI: 10.1038/s41368-023-00231-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 05/23/2023] [Accepted: 06/05/2023] [Indexed: 07/01/2023] Open
Abstract
Several chronic disorders including type 2 diabetes (T2D), obesity, heart disease and cancer are preceded by a state of chronic low-grade inflammation. Biomarkers for the early assessment of chronic disorders encompass acute phase proteins (APP), cytokines and chemokines, pro-inflammatory enzymes, lipids and oxidative stress mediators. These substances enter saliva through the blood flow and, in some cases, there is a close relation between their salivary and serum concentration. Saliva can be easily collected and stored with non-invasive and cost-saving procedures, and it is emerging the concept to use it for the detection of inflammatory biomarkers. To this purpose, the present review aims to discuss the advantages and challenges of using standard and cutting-edge techniques to discover salivary biomarkers which may be used in diagnosis/therapy of several chronic diseases with inflammatory consequences with the pursuit to possibly replace conventional paths with detectable soluble mediators in saliva. Specifically, the review describes the procedures used for saliva collection, the standard approaches for the measurement of salivary biomarkers and the novel methodological strategies such as biosensors to improve the quality of care for chronically affected patients.
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Affiliation(s)
- Paola Dongiovanni
- Medicine and Metabolic Diseases, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Marica Meroni
- Medicine and Metabolic Diseases, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Sara Casati
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy.
| | - Riccardo Goldoni
- Department of Electronics, Information and Bioengineering (DEIB), Politecnico di Milano, Milan, Italy
- Istituto di Elettronica e di Ingegneria dell'Informazione e delle Telecomunicazioni, CNR, Pisa, Italy
| | - Douglas Vieira Thomaz
- Laboratory of Medicinal Pharmaceutical Chemistry, Faculty of Pharmacy, Federal University of Goiás, Goiânia, GO, Brazil
| | - Nermin Seda Kehr
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
- Department of Chemistry, İzmir Institute of Technology, Gülbahçe Kampüsü, Urla İzmir, Turkey
| | - Daniela Galimberti
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
- Neurology-Neurodegenerative Diseases, Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Massimo Del Fabbro
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
- UOC Maxillo-Facial Surgery and Dentistry Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy
| | - Gianluca M Tartaglia
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, Milan, Italy
- UOC Maxillo-Facial Surgery and Dentistry Fondazione IRCCS Cà Granda, Ospedale Maggiore Policlinico, Milan, Italy
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10
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Wagner N, Rapp AE, Braun S, Ehnert M, Imhof T, Koch M, Jenei-Lanzl Z, Zaucke F, Meurer A. Generation of Matrix Degradation Products Using an In Vitro MMP Cleavage Assay. Int J Mol Sci 2022; 23:ijms23116245. [PMID: 35682922 PMCID: PMC9181598 DOI: 10.3390/ijms23116245] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 05/25/2022] [Accepted: 05/28/2022] [Indexed: 02/04/2023] Open
Abstract
Matrix metalloproteinases (MMPs) play crucial roles in tissue homeostasis and pathologies by remodeling the extracellular matrix. Previous studies have demonstrated the biological activities of MMP-derived cleavage products. Furthermore, specific fragments can serve as biomarkers. Therefore, an in vitro cleavage assay to identify substrates and characterize cleavage patterns could provide important insight in disease-relevant mechanisms and the identification of novel biomarkers. In the pathogenesis of osteoarthritis (OA), MMP-2, -8, -9 and -13 are of vital importance. However, it is unclear which protease can cleave which matrix component. To address this question, we established an in vitro cleavage assay using recombinantly expressed MMPs and the two cartilage matrix components, COMP and thrombospondin-4. We found a time- and concentration-dependent degradation and an MMP-specific cleavage pattern for both proteins. Cleavage products can now be enriched and purified to investigate their biological activity. To verify the in vivo relevance, we compared the in vitro cleavage patterns with serum and synovial fluid from OA patients and could indeed detect fragments of similar size in the human samples. The cleavage assay can be adapted to other MMPs and substrates, making it a valuable tool for many research fields.
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Affiliation(s)
- Niklas Wagner
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt am Main, Germany; (N.W.); (A.E.R.); (Z.J.-L.); (A.M.)
| | - Anna E. Rapp
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt am Main, Germany; (N.W.); (A.E.R.); (Z.J.-L.); (A.M.)
| | - Sebastian Braun
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt am Main, Germany; (S.B.); (M.E.)
| | - Markus Ehnert
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt am Main, Germany; (S.B.); (M.E.)
| | - Thomas Imhof
- Institute for Dental Research and Oral Musculoskeletal Biology, Center for Biochemistry, Faculty of Medicine, University Hospital Cologne, University of Cologne, 50931 Cologne, Germany; (T.I.); (M.K.)
| | - Manuel Koch
- Institute for Dental Research and Oral Musculoskeletal Biology, Center for Biochemistry, Faculty of Medicine, University Hospital Cologne, University of Cologne, 50931 Cologne, Germany; (T.I.); (M.K.)
| | - Zsuzsa Jenei-Lanzl
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt am Main, Germany; (N.W.); (A.E.R.); (Z.J.-L.); (A.M.)
| | - Frank Zaucke
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt am Main, Germany; (N.W.); (A.E.R.); (Z.J.-L.); (A.M.)
- Correspondence:
| | - Andrea Meurer
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt am Main, Germany; (N.W.); (A.E.R.); (Z.J.-L.); (A.M.)
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt am Main, Germany; (S.B.); (M.E.)
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11
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Concentration of Selected Metalloproteinases and Osteocalcin in the Serum and Synovial Fluid of Obese Women with Advanced Knee Osteoarthritis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19063530. [PMID: 35329213 PMCID: PMC8953048 DOI: 10.3390/ijerph19063530] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 02/04/2023]
Abstract
The aim of the study was to evaluate the levels of selected MMPs (matrix metalloproteinases) and osteocalcin in the serum and synovial fluid of obese women with osteoarthritis and their correlations with clinical status. The studied group consisted of 39 overweight females undergoing primary total knee arthroplasty due to osteoarthritis (OA). The staging of knee OA was evaluated according to the Ahlbӓck and Kellgren–Lawrence scores. Synovial fluid and peripheral blood samples were obtained. The levels of selected MMPs and osteocalcin were assessed using commercial ELISA kits. The mean value of MMP3 was significantly higher in patients with more advanced disease in both serum (p = 0.0067) and synovial fluid (p = 0.0328). The pro-MMP13 level tended to be higher in synovial fluid in the case of more advanced stages (p = 0.0882), with no tendency regarding the serum level (p = 0.9595). The synovial level of pro-MMP1 was significantly correlated with the synovial concentration of MMP9 and MMP3. The synovial level of MMP9 also showed a significant correlation with the synovial level of MMP3 and pro-MMP13. Furthermore, it was found that the serum level of MMP3 was significantly correlated with the synovial pro-MMP13 level. A correlation between the osteocalcin level in serum and its synovial level was determined. The serum MMP9 level showed a significant correlation with BMI, whereas the synovial MMP9 level was notably correlated with age. Our results showed that the levels of MMP3, MMP9, and pro-MMP13 increased in more advanced radiological stages of OA, indicating the underlying inflammatory process of OA.
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12
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Do Pomegranate Hydrolyzable Tannins and Their Derived Metabolites Provide Relief in Osteoarthritis? Findings from a Scoping Review. Molecules 2022; 27:molecules27031033. [PMID: 35164312 PMCID: PMC8840395 DOI: 10.3390/molecules27031033] [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: 12/30/2021] [Revised: 01/28/2022] [Accepted: 02/01/2022] [Indexed: 11/16/2022] Open
Abstract
Osteoarthritis (OA) is the most common form of arthritis affecting both the elderly and the middle-aged population. Although various therapeutics have been developed to arrest the structural deterioration of cartilage, the current treatments are limited to delay the progress of OA clinically. Therefore, it is pivotal to study new therapeutic agents for chondroprotection and the prevention of cartilage degeneration. Hydrolyzable tannin (HT)-containing foods aroused considerable interest in recent years for their relevant anti-inflammatory effects. The focus of this scoping review is to provide an overview of the evidence of the therapeutic potential of HTs and their metabolites in preventing or alleviating the course of OA. A broad search of PubMed and Scopus databases on this topic resulted in 156 articles. After the exclusion of reviews and not relevant records, 31 articles were retrieved. Although only some papers did not consider the biotransformation of HTs, most recent studies also have investigated the effect of HT metabolites. Further larger clinical trials, with an in-deep analysis of HT metabolization, are still needed to unravel the potential benefits of these compounds in OA, paving the way towards the development of a dietary strategy for the improvement of pro-inflammatory cytokine-induced chondrocyte dysfunctions and injuries.
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13
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Ratneswaran A, Rockel JS, Antflek D, Matelski JJ, Shestopaloff K, Kapoor M, Baltzer H. Investigating Molecular Signatures Underlying Trapeziometacarpal Osteoarthritis Through the Evaluation of Systemic Cytokine Expression. Front Immunol 2022; 12:794792. [PMID: 35126358 PMCID: PMC8814933 DOI: 10.3389/fimmu.2021.794792] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/31/2021] [Indexed: 11/13/2022] Open
Abstract
PurposeNon-operative management of trapeziometacarpal osteoarthritis (TMOA) demonstrates only short-term symptomatic alleviation, and no approved disease modifying drugs exist to treat this condition. A key issue in these patients is that radiographic disease severity can be discordant with patient reported pain, illustrating the need to identify molecular mediators of disease. This study characterizes the biochemical profile of TMOA patients to elucidate molecular mechanisms driving TMOA progression.MethodsPlasma from patients with symptomatic TMOA undergoing surgical (n=39) or non-surgical management (n=44) with 1-year post-surgical follow-up were compared using a targeted panel of 27 cytokines. Radiographic (Eaton-Littler), anthropometric, longitudinal pain (VAS, TASD, quick DASH) and functional (key pinch, grip strength) data were used to evaluate relationships between structure, pain, and systemic cytokine expression. Principal Component Analysis was used to identify clusters of patients.ResultsPatients undergoing surgery had greater BMI as well as higher baseline quick DASH, TASD scores. Systemically, these patients could only be distinguished by differing levels of Interleukin-7 (IL-7), with an adjusted odds ratio of 0.22 for surgery for those with increased levels of this cytokine. Interestingly, PCA analysis of all patients (regardless of surgical status) identified a subset of patients with an “inflammatory” phenotype, as defined by a unique molecular signature consisting of thirteen cytokines.ConclusionOverall, this study demonstrated that circulating cytokines are capable of distinguishing TMOA disease severity, and identified IL-7 as a target capable of differentiating disease severity with higher levels associated with a decreased likelihood of TMOA needing surgical intervention. It also identified a cluster of patients who segregate based on a molecular signature of select cytokines.
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Affiliation(s)
- Anusha Ratneswaran
- Hand Program, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
- Division of Orthopedics, Osteoarthritis Research Program, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Jason S. Rockel
- Division of Orthopedics, Osteoarthritis Research Program, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Daniel Antflek
- Hand Program, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - John J. Matelski
- Biostatistics Research Unit, University Health Network, Toronto, ON, Canada
| | - Konstantin Shestopaloff
- Division of Orthopedics, Osteoarthritis Research Program, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Mohit Kapoor
- Division of Orthopedics, Osteoarthritis Research Program, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, Canada
- Department of Surgery and Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Heather Baltzer
- Hand Program, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
- Krembil Research Institute, University Health Network, Toronto, ON, Canada
- Division of Plastic and Reconstructive Surgery, University of Toronto, Toronto, ON, Canada
- *Correspondence: Heather Baltzer,
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14
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Plsikova Matejova J, Spakova T, Harvanova D, Lacko M, Filip V, Sepitka R, Mitro I, Rosocha J. A Preliminary Study of Combined Detection of COMP, TIMP-1, and MMP-3 in Synovial Fluid: Potential Indicators of Osteoarthritis Progression. Cartilage 2021; 13:1421S-1430S. [PMID: 32748631 PMCID: PMC8804792 DOI: 10.1177/1947603520946385] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
OBJECTIVE Osteoarthritis (OA) commonly affects weight-bearing joints and is characterized by articular cartilage breakdown combined with osteophyte formation at the joint margins and chronic nonspecific inflammation of synovium. Understanding the profile of inflammation in a patient population is an essential starting point to predict or prevent OA progression. The aim of this study was to identify the profile of selected biomolecules in synovial fluid (SF) and investigate the correlation according to gender, age, and severity of the disease within patients from among the general knee OA population. DESIGN In our study SF samples were aspirated from the knees of 65 OA patients (46 patients with early knee OA and 19 patients with end-stage knee OA according to the Kellgren-Lawrence grading scale). The concentration of interleukins (IL-6, IL-8), matrix metalloproteinases (MMP-1, MMP-3, MMP-13), MMPs inhibitors (TIMP-1, TIMP-2), cartilage oligomeric matrix protein (COMP), and adiponectin was analyzed using a multiplex ELISA-based approach. CONCLUSIONS Our results indicate significant linear correlation of MMP-13 and COMP concentration with age (P < 0.05), but not with OA severity. In fact, 3 of the examined biomolecules, MMP-3 (P < 0.01), TIMP-1 (P < 0.01), and COMP (P < 0.05) significantly correlate with the grade of knee OA and might be associated with OA severity.
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Affiliation(s)
- Jana Plsikova Matejova
- Associated Tissue Bank, Faculty of
Medicine, P. J. Safarik University, L. Pasteur University Hospital, Kosice,
Slovakia
| | - Timea Spakova
- Associated Tissue Bank, Faculty of
Medicine, P. J. Safarik University, L. Pasteur University Hospital, Kosice,
Slovakia,Timea Spakova, Associated Tissue Bank,
Faculty of Medicine, P. J. Safarik University, L. Pasteur University Hospital,
Trieda SNP 1, Kosice SK-040 11, Slovakia.
| | - Denisa Harvanova
- Associated Tissue Bank, Faculty of
Medicine, P. J. Safarik University, L. Pasteur University Hospital, Kosice,
Slovakia
| | - Marek Lacko
- Department of Orthopaedics and
Traumatology, Faculty of Medicine, P. J. Safarik University, L. Pasteur University
Hospital, Kosice, Slovakia
| | - Vladimir Filip
- Department of Orthopaedics and
Traumatology, Faculty of Medicine, P. J. Safarik University, L. Pasteur University
Hospital, Kosice, Slovakia
| | - Rastislav Sepitka
- Department of Orthopaedics and
Traumatology, Faculty of Medicine, P. J. Safarik University, L. Pasteur University
Hospital, Kosice, Slovakia
| | - Istvan Mitro
- Department of Orthopaedics and
Traumatology, Faculty of Medicine, P. J. Safarik University, L. Pasteur University
Hospital, Kosice, Slovakia
| | - Jan Rosocha
- Associated Tissue Bank, Faculty of
Medicine, P. J. Safarik University, L. Pasteur University Hospital, Kosice,
Slovakia
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15
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Boffa A, Merli G, Andriolo L, Lattermann C, Salzmann GM, Filardo G. Synovial Fluid Biomarkers in Knee Osteoarthritis: A Systematic Review and Quantitative Evaluation Using BIPEDs Criteria. Cartilage 2021; 13:82S-103S. [PMID: 32713185 PMCID: PMC8808867 DOI: 10.1177/1947603520942941] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVE The aim of this systematic review was to analyze the evidence about the efficacy of the several synovial fluid (SF) biomarkers proposed for knee osteoarthritis (OA), categorizing them by both molecular characteristics and clinical use according to the BIPEDs criteria, to provide a comprehensive and structured overview of the current literature. DESIGN A systematic review was performed in May 2020 on PubMed, Cochrane Library, and Embase databases about SF biomarkers in patients with knee OA. The search was limited to articles in the last 20 years on human studies, involving patients with knee OA, reporting SF biomarkers. The evidence for each selected SF biomarker was quantified according to the 6 categories of BIPEDs classification. RESULTS A total of 159 articles were included in the qualitative data synthesis and 201 different SF biomarkers were identified. Among these, several were investigated multiple times in different articles, for a total of 373 analyses. The studies included 13,557 patients with knee OA. The most promising SF biomarkers were C4S, IL-6, IL-8, Leptin, MMP-1/3, TIMP-1, TNF-α, and VEGF. The "burden of disease" and "diagnostic" categories were the most represented with 132 and 106 different biomarkers, respectively. CONCLUSIONS The systematic review identified numerous SF biomarkers. However, despite the high number of studies on the plethora of identified molecules, the evidence about the efficacy of each biomarker is supported by limited and often conflicting findings. Further research efforts are needed to improve the understanding of SF biomarkers for a better management of patients with knee OA.
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Affiliation(s)
- Angelo Boffa
- Clinica Ortopedica e Traumatologica 2,
IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Giulia Merli
- Applied and Translational Research (ATR)
Center, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Luca Andriolo
- Clinica Ortopedica e Traumatologica 2,
IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Christian Lattermann
- Department of Orthopaedic Surgery,
Center for Cartilage Repair and Sports Medicine, Brigham and Women’s Hospital,
Harvard Medical School, Chestnut Hill, MA, USA
| | - Gian M. Salzmann
- Department of Orthopaedic Surgery, Hip
and Knee Department, Schulthess Clinic, Zürich, Switzerland
| | - Giuseppe Filardo
- Applied and Translational Research (ATR)
Center, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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16
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Zhenghai S. Increased serum AXL is associated with radiographic knee osteoarthritis severity. Int J Rheum Dis 2021; 25:32-37. [PMID: 34841689 PMCID: PMC9298778 DOI: 10.1111/1756-185x.14239] [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: 08/09/2021] [Revised: 10/25/2021] [Accepted: 10/30/2021] [Indexed: 12/03/2022]
Abstract
Objective To investigate the expression and clinical significance of serum soluble AXL in patients with radiographic knee osteoarthritis (KOA). Methods There were 183 patients with KOA who were selected and divided based on the Kellgren‐Lawrence (KL) score into KL 0 subgroups (n = 42), KL I‐II subgroups (n = 90), and KL III‐IV subgroups (n = 51). Healthy volunteers (n = 170) in our hospital were selected with matched age and gender as the control group. AXL level in serum was detected by enzyme‐linked immunosorbent assay. The correlation between serum AXL with severity and clinical indicators of osteoarthritis was analyzed. Results The level of serum AXL was significantly higher in the osteoarthritis group than that in the control group (P < .05). In the osteoarthritis patients, serum AXL level was increased with the increase of KL score. Serum AXL level was positively correlated with age, body mass index, erythrocyte sedimentation rate, serum C‐reactive protein, cartilage oligomeric protein, matrix metalloproteinase‐13, and transforming growth factor‐β1 levels. The cut‐off value for serum AXL was determined as 33.375 ng/mL by receiver operating curve analysis. Conclusion The level of serum AXL in patients with osteoarthritis is significantly higher than in healthy controls, and is closely related to the severity of radiographic osteoarthritis.
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Affiliation(s)
- Shao Zhenghai
- Shanghai Kaiyuan Orthopedic Hospital, Shanghai, China
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17
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Rousseau JC, Chapurlat R, Garnero P. Soluble biological markers in osteoarthritis. Ther Adv Musculoskelet Dis 2021; 13:1759720X211040300. [PMID: 34616494 PMCID: PMC8488516 DOI: 10.1177/1759720x211040300] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 07/27/2021] [Indexed: 12/15/2022] Open
Abstract
In recent years, markers research has focused on the structural components of cartilage matrix. Specifically, a second generation of degradation markers has been developed against type II collagen neoepitopes generated by specific enzymes. A particular effort has been made to measure the degradation of minor collagens III and X of the cartilage matrix. However, because clinical data, including longitudinal controlled studies, are very scarce, it remains unclear whether they will be useful as an alternative to or in combination with current more established collagen biological markers to assess patients with osteoarthritis (OA). In addition, new approaches using high-throughput technologies allowed to detect new types of markers and improve the knowledge about the metabolic changes linked to OA. The relative advances coming from phenotype research are a first attempt to classify the heterogeneity of OA, and several markers could improve the phenotype characterization. These phenotypes could improve the selection of patients in clinical trials limiting the size of the studies by selecting patients with OA characteristics corresponding to the metabolic pathway targeted by the molecules evaluated. In addition, the inclusion of rapid progressors only in clinical trials would facilitate the demonstration of efficacy of the investigative drug to reduce joint degradation. The combination of selective biochemical markers appears as a promising and cost-effective approach to fulfill this unmet clinical need. Among the various potential roles of biomarkers in OA, their ability to monitor drug efficacy is probably one of the most important, in association with clinical and imaging parameters. Biochemical markers have the unique property to detect changes in joint tissue metabolism within a few weeks.
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Affiliation(s)
- Jean-Charles Rousseau
- INSERM Unit 1033, Pavillon F, Hôpital E. Herriot, 5 Place d’Arsonval, 69437 Lyon Cedex 03, France
- Biochemical Marker Assay Laboratory for Clinical Research (PMO-Lab), Lyon, France
- INSERM 1033, Lyon, France
| | - Roland Chapurlat
- Biochemical Marker Assay Laboratory for Clinical Research (PMO-Lab), Lyon, France
- INSERM UMR 1033, Lyon, France
- Université de Lyon, Lyon, France
- Hôpital Edouard Herriot, Hospice Civils de Lyon, Lyon, France
| | - Patrick Garnero
- Biochemical Marker Assay Laboratory for Clinical Research (PMO-Lab), Lyon, France
- INSERM UMR 1033, Lyon, France
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18
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Age- and Sex-Adjusted Reference Intervals in Tear Cytokine Levels in Healthy Subjects. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11198958] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Alterations in tear cytokine levels have been associated with various ocular disorders as compared to those in healthy subjects. However, age and sex are not always considered in these comparisons. In this study we aimed to establish age and sex reference intervals (RIs) for tear cytokine levels in healthy people. Tear samples were taken from 75 males and 82 females, aged 18–88 years, and tear cytokine levels were determined. Age- and sex-adjusted RIs for epidermal growth factor (EGF), fractalkine, interleukin (IL)-1 receptor antagonist (RA), IL-7, IL-8, interferon inducible protein (IP)-10, monocyte chemotactic protein (MCP)-1, and vascular endothelial growth factor (VEGF) tear cytokine levels in a healthy sample were established using generalized additive for location, scale and shape (GAMLSS) models. RIs were tested in two external samples: a validation sample of 40 individuals with normal results at four Dry Eye Disease (DED) clinical diagnostic tests (OSDI, T-BUT, corneal staining and Schirmer test); and a utility sample of 13 severe DED cases. IL-1RA, IL-8, IP-10, and MCP-1 levels showed a positive association with age, while EGF was negatively correlated. IL-7 concentration increased up to 40 years and again after 70 years, observing a quasi-linear decrease between them. For VEGF, higher levels were observed in the middle-aged range. Regarding sex-influence, fractalkine tear levels were higher in men, whereas those of IL-7, IL-8, and IP-10 were higher in women. Using the estimated age- and sex-adjusted RIs, more than 92% of the validation sample was correctly classified, and 100% of the severe DED patients in the utility sample had concentrations outside the RIs in at least two of the cytokines evaluated.
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19
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Tucker JD, Goetz LL, Duncan MB, Gilman JB, Elmore LW, Sell SA, McClure MJ, Quagliano PV, Martin CC. Randomized, Placebo-Controlled Analysis of the Knee Synovial Environment Following Platelet-Rich Plasma Treatment for Knee Osteoarthritis. PM R 2021; 13:707-719. [PMID: 33492733 DOI: 10.1002/pmrj.12561] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 12/24/2020] [Accepted: 01/05/2021] [Indexed: 01/15/2023]
Abstract
BACKGROUND Platelet-rich-plasma (PRP) is used to treat knee osteoarthritis; however, mechanistic evidence of PRP effectiveness for pain relief is limited. OBJECTIVE To assess molecular biomarkers and mesenchymal stem cells (MSCs) in synovial fluid during PRP treatment of the osteoarthritic knee joint. DESIGN Single blinded, randomized, placebo controlled pilot study. SETTING Veterans Affairs Medical Center. PARTICIPANTS Seventeen participants with mild to moderate knee osteoarthritis were randomized in a 2:1 placebo-controlled ratio, receiving PRP or saline (placebo) intra-articular injection into the knee joint. METHODS Knee synovial fluid was analyzed before the respective injections and again 10 days following injection. Participants were followed up to 12 months completing visual analog scale (VAS) and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) questionnaires at intervals over that period. MAIN OUTCOME MEASURES The effects of PRP on synovial protein and MSC gene expression levels were measured by multiplex enzyme-linked immunosorbent assay and quantitative polymerase chain reaction. RESULTS Novel biomarkers including levels of interleukin (IL)-5, IL-6, IL-10, and tumor necrosis factor-α were measured in synovial fluid 10 days after PRP treatment. Altered gene expression profiles in MSCs from patients treated with PRP were observed for matrix metalloproteinases and inflammatory markers (IL-6, IL-8, CCL2, TNF-α). A2M protease was significantly increased following PRP treatment (P = .005). WOMAC scores declined for up to 3 months from baseline levels and remained low at 6 and 12 months in the PRP group. In contrast, WOMAC scores for patients receiving the saline injection were relatively unchanged for up to 12 months. CONCLUSIONS We report significant changes for the biomarker A2M (P = .005) as well as differences in expression of cellular markers and postulate that PRP modulates the local knee synovial environment by altering the inflammatory milieu, matrix degradation, and angiogenic growth factors. The PRP treatment group had less pain and stiffness and improved function scores.
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Affiliation(s)
- Jason D Tucker
- iOrthoBiologix, Charlotte, NC.,Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University Health System, Richmond, VA
| | - Lance L Goetz
- Spinal Cord Injury and Disorders Service, Hunter Holmes McGuire Veterans Affairs Medical Center, Richmond, VA
| | | | - Jared B Gilman
- Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University Health System, Richmond, VA
| | | | - Scott A Sell
- Department of Biomedical Engineering, Parks College of Engineering, Aviation, and Technology, Saint Louis University, St. Louis, MO
| | - Michael J McClure
- Department of Biomedical Engineering, Virginia Commonwealth University, Richmond, VA
| | - Peter V Quagliano
- Department of Radiology, Hunter Holmes McGuire Veterans Affairs Medical Center, Richmond, VA
| | - Caroline C Martin
- Department or Pathology, Hunter Holmes McGuire Veterans Affairs Medical Center, Richmond, VA
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20
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Extensive cytokine analysis in synovial fluid of osteoarthritis patients. Cytokine 2021; 143:155546. [PMID: 33895075 DOI: 10.1016/j.cyto.2021.155546] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 04/10/2021] [Accepted: 04/12/2021] [Indexed: 12/24/2022]
Abstract
OBJECTIVE Osteoarthritis (OA) is a joint disease characterized by articular cartilage loss and afflicts many people worldwide. However, diagnostic methods and treatment options remain limited and are often characterized by low sensitivity and low efficacy. The focus of the present study was to identify proteomic biomarkers in synovial fluid to improve diagnosis and therapy of OA patients. METHODS Antibody array technology was utilized for protein expression profiling of synovial fluid from 24 OA patients and 24 healthy persons. RESULTS Compared with healthy persons, twenty proteins showed lower expression levels in OA patients, while thirty proteins had higher levels. Among these differential proteins, GITRL, CEACAM-1, FSH, EG-VEGF, FGF-4, PIGF, Cystatin EM and NT-4 were found for the first time to be differentially expressed in OA. Bioinformatics analysis showed that most of these differential proteins were involved leukocytes events, and some differentially expressed proteins including IL-18, CXCL1, CTLA4, MIP-3b, CD40, MMP-1, THBS1, CCL11, PAI-1, BAFF, aggrecan, angiogenin and follistatin were located in central positions of the protein-protein interaction (PPI) network. CONCLUSION We speculate that leukocyte proliferation and migration to the joint may be an important pathogenesis of OA, which needs a further validation. The central proteins of the PPI network may play a more pivotal role in OA. The newly identified differentially expressed proteins may be novel biomarkers for OA diagnosis and targets for OA therapy.
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21
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Relationship Between Magnetic Resonance T2-Mapping and Matrix Metalloproteinase 1,3 in Knee Osteoarthritis. Indian J Orthop 2020; 55:974-982. [PMID: 34188773 PMCID: PMC8192678 DOI: 10.1007/s43465-020-00293-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Accepted: 10/16/2020] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To investigate the relationship between quantitative analysis of MRI (T2-mapping) and the expression of matrix metalloproteinase (MMP-1, MMP-3) in osteoarthritis of the knee joint and the role of MMP-1,3 in the pathogenesis of osteoarthritis. METHODS Thirty cases of knee osteoarthritis (KOA) patients with total knee arthroplasty (TKA) (lesion group) and 30 healthy adult volunteers (control group) were scanned with 1.5 T routine MR and T2-mapping, and their T2 values were measured and statistically analyzed. The pathological examination of the knee cartilage that was replaced during the operation and the immunohistochemical assay were used to measure the expression of MMP-1,3. The correlation between the T2 value of magnetic resonance imaging and the expression of MMP-1,3 was analyzed. RESULTS (1) According to the Recht grading standard for magnetic resonance, the T2 value of magnetic resonance increased significantly with the increase of cartilage degeneration. The differences in T2 values between each level and the normal group were statistically significant (P < 0.05). (2) The T2 value of magnetic resonance imaging increased with the severity of the cartilage degeneration pathological Mankin grading, and the difference was statistically significant (P < 0.05). (3) The expression of MMP-1,3 increased with cartilage degeneration. (4) The T2 value and the expression of MMP-1 in cartilage showed a linear trend. The result of Spearman correlation analysis showed that the expression of MMP-1,3 increased as the cartilage T2 value increased. There was a positive linear correlation between the two. CONCLUSION The T2 value of magnetic resonance increased with the degeneration of KOA cartilage. The expression of MMP-1,3 increased with the severity of articular cartilage destruction. The T2 value of KOA magnetic resonance was positively correlated with the expression of MMP-1,3.
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Mass Spectrometry Imaging as a Potential Tool to Investigate Human Osteoarthritis at the Tissue Level. Int J Mol Sci 2020; 21:ijms21176414. [PMID: 32899238 PMCID: PMC7503948 DOI: 10.3390/ijms21176414] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 08/28/2020] [Accepted: 08/31/2020] [Indexed: 12/25/2022] Open
Abstract
Osteoarthritis (OA) is the most common degenerative joint disease, predicted to increase in incidence year by year due to an ageing population. Due to the biological complexity of the disease, OA remains highly heterogeneous. Although much work has been undertaken in the past few years, underlying molecular mechanisms leading to joint tissue structural deterioration are not fully understood, with only few validated markers for disease diagnosis and progression being available. Discovery and quantitation of various OA-specific biomarkers is still largely focused on the bodily fluids which does not appear to be reliable and sensitive enough. However, with the advancement of spatial proteomic techniques, several novel peptides and proteins, as well as N-glycans, can be identified and localised in a reliable and sensitive manner. To summarise the important findings from OA biomarker studies, papers published between 2000 and 2020 were searched via Google Scholar and PubMed. Medical subject heading (MeSH) terms ‘osteoarthritis’, ‘biomarker’, ‘synovial fluid’, ‘serum’, ‘urine’, ’matrix-assisted laser desorption/ionisation’, ‘mass spectrometry imaging’, ‘proteomic’, ‘glycomic’, ‘cartilage’, ‘synovium’ AND ‘subchondral bone’ were selectively used. The literature search was restricted to full-text original research articles and written only in English. Two main areas were reviewed for OA biomarker studies: (1) an overview of disease-specific markers detected from different types of OA bio-samples, and (2) an up-to-date summary of the tissue-specific OA studies that have utilised matrix-assisted laser desorption/ionisation mass spectrometry imaging (MALDI-MSI). Overall, these OA biomarkers could provide clinicians with information for better the diagnosis, and prognosis of individual patients, and ultimately help facilitate the development of disease-modifying treatments.
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Chadha S, Behl T, Bungau S, Kumar A, Arora R, Gupta A, Uddin MS, Zengin G, Aleya L, Setia D, Arora S. Mechanistic insights into the role of pyroptosis in rheumatoid arthritis. Curr Res Transl Med 2020; 68:151-158. [PMID: 32830085 DOI: 10.1016/j.retram.2020.07.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/09/2020] [Accepted: 07/28/2020] [Indexed: 12/30/2022]
Abstract
Cell death is ascribed as an essential biological process that is fundamental for the development of an organism along with its survival. The procedure comprises of apoptosis and pyroptosis. Pyroptosis is a programmed procedure for cell death which is inflammatory in nature and this pathway gets activated via human caspase-4, human caspase-11 and human caspase-5. The activation of this process leads to release of pro-inflammatory mediators including cytokines, alarmins, IL-18 and IL-1β. The pro-inflammatory mediators released via interaction of intracellular kinases direct the development of Rheumatoid arthritis. Rheumatoid arthritis is characterized as disorder/disease that is auto-immune and chronic in nature. It involves erosions in marginal bone along with articular cartilage which is responsible for joint destruction. The cytokine along with its complex network is responsible for inflammation. The process of pyroptosis is linked with the destruction of plasma membrane, that releases these mediators and excessive release of these mediators is linked with rheumatoid arthritis.
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Affiliation(s)
- Swati Chadha
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania
| | - Arun Kumar
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Rashmi Arora
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Amit Gupta
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Md Sahab Uddin
- Department of Pharmacy, Southeast University, Dhaka, Bangladesh; Pharmakon Neuroscience Research Network, Dhaka, Bangladesh
| | - Gokhan Zengin
- Department of Biology, Faculty of Science, Selcuk Uniersity Campus, Konya, Turkey
| | - Lotfi Aleya
- Chrono-Environment Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, France
| | - Dhruv Setia
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Sandeep Arora
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
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Mull C, Wohlmuth P, Krause M, Alm L, Kling H, Schilling AF, Frosch KH. Hepatocyte growth factor and matrix metalloprotease 2 levels in synovial fluid of the knee joint are correlated with clinical outcome of meniscal repair. Knee 2020; 27:1143-1150. [PMID: 32711875 DOI: 10.1016/j.knee.2020.05.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 04/18/2020] [Accepted: 05/12/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND The reoperation rate after primary meniscal repair is about 20%. Thus far, it has remained unclear whether there are distinct individual preconditions that may be associated with a better or worse outcome of this procedure. We therefore analysed typical biochemical mediators in the synovial fluid (SF) of patients with meniscus tear before arthroscopic meniscal refixation and correlated their concentrations to the occurrence of re-rupture after meniscus repair. METHODS In this study, 48 patients with meniscus ruptures were included. SF samples were taken intraoperatively prior to arthroscopy. Multiplex enzyme-linked immunosorbent assay (ELISA)-based methods were used to measure hepatocyte growth factor (HGF), interleukin-18 (IL-18), matrix metalloproteinases (MMP) MMP-1, MMP-2, MMP-9 and MMP-13 in the SF. At follow-up, the patients were classified into two groups: surgical success and surgical failure. RESULTS Ten out of 48 patients (20.8%) had to undergo revision surgery after meniscal repair (surgical failure). The median HGF in the surgical failure group was 2.4-times higher than in the surgical success group (P = .006), and the median MMP-2 was 1.8 times higher (P = .017). Concentration levels of the other tested proteins were not correlated with the success or failure of the meniscus surgery. There was weak evidence that both markers are indicators of an unsatisfactory healing process for meniscal refixation. CONCLUSION These results suggest that HGF and MMP-2 could serve as molecular markers to estimate the chances of healing success of meniscus repair and possibly to individualise therapy in meniscal surgery.
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Affiliation(s)
- Carolin Mull
- Division of Knee and Shoulder Surgery, Sports Traumatology, Asklepios Clinic St. Georg, Hamburg, Germany
| | | | - Matthias Krause
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Germany
| | - Lena Alm
- Division of Knee and Shoulder Surgery, Sports Traumatology, Asklepios Clinic St. Georg, Hamburg, Germany
| | - Henning Kling
- Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Arndt F Schilling
- Department of Trauma Surgery, Orthopaedics and Plastic Surgery, University Medical Center Göttingen, Göttingen, Germany
| | - Karl-Heinz Frosch
- Department of Trauma and Orthopaedic Surgery, University Medical Center Hamburg-Eppendorf, Germany.
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Alahdal M, Duan L, Ouyang H, Wang D. The role of indoleamine 2,3 dioxygenase 1 in the osteoarthritis. Am J Transl Res 2020; 12:2322-2343. [PMID: 32655775 PMCID: PMC7344072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 05/05/2020] [Indexed: 06/11/2023]
Abstract
Osteoarthritis (OA) is a chronic degenerative joint disease and a leading cause of disability. It involves articular cartilage destruction and a whole joint inflammation. In spite of OA pathogenesis is still unclear, new studies on the OA pathophysiological aetiology and immunomodulation therapy continuously achieve significant advances with new concepts. Here, we focus on the indoleamine-2,3-dioxygenase1 (IDO1) activity in the osteoarthritis (OA), which is one of the noticeable enzymes in the synovial fluid of arthritis patients. It was recognized as an essential mediator of autoreactive B and T cell responses in rheumatoid arthritis (RA) and an interesting therapeutic target against RA. However, the role IDO1 plays in the OA pathogenesis hasn't been discussed. The new OA experimental analysis evidenced IDO1 overexpression in the synovial fluid of OA patients, and recent studies reported that IDO1 metabolites were found higher in the OA synovial fluid than RA and spondyloarthropathies (SpA) patients. Moreover, the positive relation of IDO1 metabolites with OA pain and joint stiffness has been confirmed. Thus, the IDO1 plays a pivotal role in the pathogenesis of OA. In this review, the role IDO1 plays in the OA pathogenesis has been deeply discussed. It could be a promising target in the immunotherapy of OA disease.
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Affiliation(s)
- Murad Alahdal
- Shenzhen Key Laboratory of Tissue Engineering, Shenzhen Laboratory of Digital Orthopedic Engineering, Shenzhen Second People’s Hospital (The First Hospital Affiliated to Shenzhen University, Health Science Center)Shenzhen 518035, P. R. China
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of MedicineHangzhou, P. R. China
- Guangdong Provincial Research Center for Artificial Intelligence and Digital Orthopedic TechnologyShenzhen 518035, P. R. China
| | - Li Duan
- Shenzhen Key Laboratory of Tissue Engineering, Shenzhen Laboratory of Digital Orthopedic Engineering, Shenzhen Second People’s Hospital (The First Hospital Affiliated to Shenzhen University, Health Science Center)Shenzhen 518035, P. R. China
- Guangdong Provincial Research Center for Artificial Intelligence and Digital Orthopedic TechnologyShenzhen 518035, P. R. China
| | - Hongwei Ouyang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine, Zhejiang University School of MedicineHangzhou, P. R. China
| | - Daping Wang
- Shenzhen Key Laboratory of Tissue Engineering, Shenzhen Laboratory of Digital Orthopedic Engineering, Shenzhen Second People’s Hospital (The First Hospital Affiliated to Shenzhen University, Health Science Center)Shenzhen 518035, P. R. China
- Guangdong Provincial Research Center for Artificial Intelligence and Digital Orthopedic TechnologyShenzhen 518035, P. R. China
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Early OA Stage Like Response Occurs after Dynamic Stretching of Human Synovial Fibroblasts. Int J Mol Sci 2020; 21:ijms21113874. [PMID: 32485947 PMCID: PMC7312748 DOI: 10.3390/ijms21113874] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 01/27/2023] Open
Abstract
As events triggering early osteoarthritis onset can be related to mechanical stress and proinflammatory signaling, we investigated the effect of different mechanical strain protocols on the expression of proinflammatory genes, as well as extracellular matrix remodelling in human synovial fibroblasts. Three distinct models of tensile stretching were applied: static isotropic tensile strain at 0 Hz, 16% tension for 48 h; short-term high-frequency cyclic tension at 1 Hz, 10% tension for 4 h; and dynamic tensile stretching for 48 h, consisting of two blocks of moderate stretching at 0.2 Hz, 2%, advanced stretching at 0.5 Hz, 15%, or a combination of both. General signs of inflammation were present after static isotropic tension, whereas short-term high-frequency cyclic tension showed increased levels of IL-6 paired with diminished levels of IL-1β. Reduced inflammatory effects of TNF-α, IL-6, and IL-1β were observed when exposed to advanced stretching. Long-term tensile strain induced extracellular matrix remodelling at the gene and protein levels. While hyaluronan acid synthesis was increased with static tensile strain, dynamic tensile stretching had a reducing effect. Our study revealed that proinflammatory markers were activated by mechanical strain as seen in static isotropic tension and short-term high-frequency tensile strain, whereas long-term exposure induced extracellular matrix remodelling processes.
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Cai W, Li H, Zhang Y, Han G. Identification of key biomarkers and immune infiltration in the synovial tissue of osteoarthritis by bioinformatics analysis. PeerJ 2020; 8:e8390. [PMID: 31988808 PMCID: PMC6970550 DOI: 10.7717/peerj.8390] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 12/13/2019] [Indexed: 01/15/2023] Open
Abstract
Background Osteoarthritis (OA) is the most common chronic degenerative joint disease and is mainly characterized by cartilage degeneration, subcartilage bone hyperplasia, osteophyte formation and joint space stenosis. Recent studies showed that synovitis might also be an important pathological change of OA. However, the molecular mechanisms of synovitis in OA are still not well understood. Objective This study was designed to identify key biomarkers and immune infiltration in the synovial tissue of osteoarthritis by bioinformatics analysis. Materials and Methods The gene expression profiles of GSE12021, GSE55235 and GSE55457 were downloaded from the GEO database. The differentially expressed genes (DEGs) were identified by the LIMMA package in Bioconductor, and functional enrichment analyses were performed. A protein-protein interaction network (PPI) was constructed, and module analysis was performed using STRING and Cytoscape. The CIBERSORT algorithm was used to analyze the immune infiltration of synovial tissue between OA and normal controls. Results A total of 106 differentially expressed genes, including 68 downregulated genes and 38 upregulated genes, were detected. The PPI network was assessed, and the most significant module containing 14 hub genes was identified. Gene Ontology analysis revealed that the hub genes were significantly enriched in immune cell chemotaxis and cytokine activity. KEGG pathway analysis showed that the hub genes were significantly enriched in the rheumatoid arthritis signaling pathway, IL-17 signaling pathway and cytokine-cytokine receptor interaction signaling pathway. The immune infiltration profiles varied significantly between osteoarthritis and normal controls. Compared with normal tissue, OA synovial tissue contained a higher proportion of memory B cells, naive CD4+ T cells, regulatory T cells, resting dendritic cells and resting mast cells, while naive CD4+ T cells, activated NK cells, activated mast cells and eosinophils contributed to a relatively lower portion (P > 0.05). Finally, the expression levels of 11 hub genes were confirmed by RT-PCR. Conclusion The hub genes and the difference in immune infiltration in synovial tissue between osteoarthritis and normal controls might provide new insight for understanding OA development.
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Affiliation(s)
- Weisong Cai
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Haohuan Li
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yubiao Zhang
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Guangtao Han
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
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Atar MÖ, Özçakar L, Gençtürk Z, Aytür Y. Serum endothelin-1 levels, radiographic and ultrasonographic evaluations, and clinical parameters in patients with knee and/or hand osteoarthritis. J Back Musculoskelet Rehabil 2019; 32:549-554. [PMID: 30530965 DOI: 10.3233/bmr-181326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND Endothelin-1 (ET-1) is one of the probable inflammatory factors stimulating cartilage degradation in osteoarthritis (OA) pathogenesis. OBJECTIVE To assess ET-1 level in OA and its correlation with radiographic findings, cartilage morphology and clinical parameters. METHODS One hundred and thirty-nine subjects (89 OA, 50 controls) were included in this cross-sectional study. Both knee and hand joints of the participants were examined using plain radiography and ultrasound imaging by which distal femoral cartilage thickness/grading and second metacarpophalangeal cartilage thickness were assessed. Subjects were evaluated for pain and functional status using visual analogue scale, Western Ontario and McMaster Universities Arthritis Index and Duruöz Hand Index. RESULTS Serum ET-1 levels were higher in the OA group than the control group. Serum ET-1 levels were not correlated with cartilage thickness in patients with OA. Serum ET-1 levels were not correlated with either pain or other clinical parameters in the knee OA group and in the hand OA group. CONCLUSION This is the first study evaluating the relationship between serum ET-1 levels and cartilage morphology and clinical parameters, which did not show any conclusive result. Future studies, overcoming the limitations of this study, might provide a better understanding of the role of ET-1 in the pathogenesis of OA.
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Affiliation(s)
- Merve Örücü Atar
- Department of Physical Medicine and Rehabilitation, Gaziler Physical Medicine and Rehabilitation Training and Research Hospital, Ankara, Turkey
| | - Levent Özçakar
- Department of Physical and Rehabilitation Medicine, Medical School, Hacettepe University, Ankara, Turkey
| | - Zeynep Gençtürk
- Department of Biostatistics, Faculty of Medicine, Ankara University, Ankara, Turkey
| | - Yeşim Aytür
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Ankara University, Ankara, Turkey
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Stocco E, Barbon S, Piccione M, Belluzzi E, Petrelli L, Pozzuoli A, Ramonda R, Rossato M, Favero M, Ruggieri P, Porzionato A, Di Liddo R, De Caro R, Macchi V. Infrapatellar Fat Pad Stem Cells Responsiveness to Microenvironment in Osteoarthritis: From Morphology to Function. Front Cell Dev Biol 2019; 7:323. [PMID: 31921840 PMCID: PMC6914674 DOI: 10.3389/fcell.2019.00323] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 11/25/2019] [Indexed: 12/16/2022] Open
Abstract
Recently, infrapatellar fat pad (IFP) has been considered as a source of stem cells for cartilage regeneration in osteoarthritis (OA) due to their ability for differentiation into chondrocytes. However, stressful conditions, like that related to OA, may induce a pathogenic reprograming. The aim of this study was to characterize the structural and functional properties of a new population of stem cells isolated from osteoarthritic infrapatellar fat pad (OA-IFP). Nine OA patients undergoing total knee arthroplasty (TKA) were enrolled in this study [median age = 74 years, interquartile range (IQR) = 78.25-67.7; median body mass index = 29.4 Kg/m2, IQR = 31.7-27.4]. OA-IFP stem cells were isolated and characterized for morphology, stemness, metabolic profile and multi-differentiative potential by transmission electron microscopy, flow cytometric analysis, gene expression study and cytochemistry. OA-IFP stem cells displayed a spindle-like morphology, self-renewal potential and responsiveness (CD44, CD105, VEGFR2, FGFR2, IL1R, and IL6R) to microenvironmental stimuli. Characterized by high grade of stemness (STAT3, NOTCH1, c-Myc, OCT-4, KLF4, and NANOG), the cells showed peculiar immunophenotypic properties (CD73+/CD39+/CD90+/CD105+/CD44–/+/CD45–). The expression of HLA-DR, CD34, Fas and FasL was indicative of a possible phenotypic reprograming induced by inflammation. Moreover, the response to mechanical stimuli together with high expression level of COL1A1 gene, suggested their possible protective response against in vivo mechanical overloading. Conversely, the low expression of CD38/NADase was indicative of their inability to counteract NAD+-mediated OA inflammation. Based on the ultrastructural, immunophenotypic and functional characterization, OA-IFP stem cells were hypothesized to be primed by the pathological environment and to exert incomplete protective activity from OA inflammation.
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Affiliation(s)
- Elena Stocco
- Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padua, Italy.,LifeLab Program, Consorzio per la Ricerca Sanitaria (CORIS), Padua, Italy.,Foundation for Biology and Regenerative Medicine, Tissue Engineering and Signaling ONLUS, Padua, Italy
| | - Silvia Barbon
- Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padua, Italy.,LifeLab Program, Consorzio per la Ricerca Sanitaria (CORIS), Padua, Italy.,Foundation for Biology and Regenerative Medicine, Tissue Engineering and Signaling ONLUS, Padua, Italy
| | - Monica Piccione
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padua, Italy
| | - Elisa Belluzzi
- Musculoskeletal Pathology and Oncology Laboratory, Department of Surgery, Oncology and Gastroenterology DiSCOG, University of Padova, Padua, Italy.,Department of Orthopaedics and Orthopaedic Oncology, University of Padova, Padua, Italy
| | - Lucia Petrelli
- Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padua, Italy
| | - Assunta Pozzuoli
- Musculoskeletal Pathology and Oncology Laboratory, Department of Surgery, Oncology and Gastroenterology DiSCOG, University of Padova, Padua, Italy.,Department of Orthopaedics and Orthopaedic Oncology, University of Padova, Padua, Italy
| | - Roberta Ramonda
- Rheumatology Unit, Department of Medicine - DIMED, University Hospital of Padova, Padua, Italy
| | - Marco Rossato
- Clinica Medica 3, Department of Medicine - DIMED, University of Padova, Padua, Italy
| | - Marta Favero
- Rheumatology Unit, Department of Medicine - DIMED, University Hospital of Padova, Padua, Italy
| | - Pietro Ruggieri
- Department of Orthopaedics and Orthopaedic Oncology, University of Padova, Padua, Italy
| | - Andrea Porzionato
- Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padua, Italy.,LifeLab Program, Consorzio per la Ricerca Sanitaria (CORIS), Padua, Italy
| | - Rosa Di Liddo
- Foundation for Biology and Regenerative Medicine, Tissue Engineering and Signaling ONLUS, Padua, Italy.,Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padua, Italy
| | - Raffaele De Caro
- Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padua, Italy.,LifeLab Program, Consorzio per la Ricerca Sanitaria (CORIS), Padua, Italy
| | - Veronica Macchi
- Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padua, Italy.,LifeLab Program, Consorzio per la Ricerca Sanitaria (CORIS), Padua, Italy
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Thorson C, Galicia K, Burleson A, Bouchard O, Hoppensteadt D, Fareed J, Hopkinson W. Matrix Metalloproteinases and Their Inhibitors and Proteoglycan 4 in Patients Undergoing Total Joint Arthroplasty. Clin Appl Thromb Hemost 2019; 25:1076029619828113. [PMID: 30754994 PMCID: PMC6714937 DOI: 10.1177/1076029619828113] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Osteoarthritis, a degenerative disease of the joints, is the most common form of arthritis in the knee. Total joint arthoplasty is a commonly used treatment for joint degeneration and osteoarthritis, and due to these factors, TJA for hip and knee joints is projected to grow by 137% and 601% between 2005 and 2030. Matrix metalloproteases are enzymes found in the extracellular matrix that cleave matrix components. Normally MMPs are downregulated in tissues by Tissue Inhibitors of Metalloproteases, or TIMPs. The relative concentration of TIMPs also may denote some of the activity of the MMPs found in serum. Lubricin (proteoglycan 4) is a molecule found in the synovial fluid that protects joints by dissipating strain energy during locomotion. Lubricin synovial fluid concentration is also diminished in many patients with osteoarthritis, but not all. Given the importance of these three sets of molecules, our lab investigated the correlation between circulating lubricin, MMP levels and TIMPs levels. Blood plasma samples were obtained from de-identified subjects undergoing total joint arthroplasty at Loyola University Medical Center and the University of Utah. Normal blood plasma from pooled healthy individuals served as a control. We analyzed biomarker levels in plasma using ELISA. Our data show that MMP-1 and 9 were increased in TJA patients compared to normal controls, while MMP-2 and 13 were decreased. We also found decreased lubricin and tissue factor in surgical patients relative to controls. These data support the idea that lubricin is vital in protecting the synovial joint and that MMPs play a complex role in the destruction of the joint.
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Affiliation(s)
- Chase Thorson
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Kevin Galicia
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Andrew Burleson
- 2 Department of Orthopedics, Loyola University Medical Center, Maywood, IL, USA
| | - Olivia Bouchard
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Debra Hoppensteadt
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Jawed Fareed
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - William Hopkinson
- 2 Department of Orthopedics, Loyola University Medical Center, Maywood, IL, USA
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Peffers MJ, Smagul A, Anderson JR. Proteomic analysis of synovial fluid: current and potential uses to improve clinical outcomes. Expert Rev Proteomics 2019; 16:287-302. [PMID: 30793992 DOI: 10.1080/14789450.2019.1578214] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Synovial fluid (SF) is in close proximity to tissues which are primarily altered during articular disease and has significant potential to better understand the underlying disease pathogeneses of articular pathologies and biomarker discovery. Although development of mass spectrometry-based methods has allowed faster and higher sensitivity techniques, interrogation of the SF proteome has been hindered by its large protein concentration dynamic range, impeding quantification of lower abundant proteins. Areas covered: Recent advances have developed methodologies to reduce the large protein concentration dynamic range of SF and subsequently allow deeper exploration of the SF proteome. This review concentrates on methods to overcome biofluid complexity, mass spectrometry proteomics methodologies, extracellular vesicles proteomics and the application of advances within the field in clinical disease, including osteoarthritis, rheumatoid arthritis, spondyloarthritis and juvenile arthritis. A narrative review was conducted with articles searched using PubMed, 1991-2018. Expert opinion: The SF proteomics field faces various challenges, including the requirement for rigorous and standardised methods of sample collection/storage, the sensitivity and specificity of proteomic assays, techniques to combat the large protein concentration dynamic range and comprehensive data analysis to reduce falsely identified markers. Additionally, there are challenges in developing multi 'omic' integration techniques, with computational integration enhancing analysis.
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Affiliation(s)
- Mandy Jayne Peffers
- a Comparative Musculoskeletal Biology, Institute of Ageing and Chronic Disease , University of Liverpool , Liverpool , UK
| | - Aibek Smagul
- a Comparative Musculoskeletal Biology, Institute of Ageing and Chronic Disease , University of Liverpool , Liverpool , UK
| | - James Ross Anderson
- a Comparative Musculoskeletal Biology, Institute of Ageing and Chronic Disease , University of Liverpool , Liverpool , UK
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Migliario M, Sabbatini M, Mortellaro C, Renò F. Near infrared low-level laser therapy and cell proliferation: The emerging role of redox sensitive signal transduction pathways. JOURNAL OF BIOPHOTONICS 2018; 11:e201800025. [PMID: 29722183 DOI: 10.1002/jbio.201800025] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 04/30/2018] [Indexed: 06/08/2023]
Abstract
Lasers devices are widely used in various medical fields (eg, surgery, dermatology, dentistry, rehabilitative medicine, etc.) for different applications, ranging from surgical ablation of tissues to biostimulation and pain relief. Laser is an electromagnetic radiation, which effects on biological tissues strongly depends on a number of physical parameters. Laser wavelength, energy output, irradiation time and modality, temperature and tissue penetration properties have to be set up according to the clinical target tissue and the desired effect. A less than optimal operational settings, in fact, could result in a null or even lethal effect. According to the first law of photobiology, light absorption requires the presence of a specific photoacceptor that after excitation could induce the activation of downstream signaling pathways. Low-level lasers operating in the red/near infrared portion of the light spectra are generally used for biostimulation purposes, a particular therapeutic application based on the radiant energy ability to induce nonthermal responses in living cells. Biostimulation process generally promotes cell survival and proliferation. Emerging evidences support a low-level laser stimulation mediated increase in "good" reactive oxygen species, able to activate redox sensitive signal transduction pathways such as Nrf-2, NF-kB, ERK which act as key redox checkpoints.
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Affiliation(s)
- Mario Migliario
- Dental Clinic - Health Sciences Department, Università del Piemonte Orientale, Novara, Italy
| | - Maurizio Sabbatini
- Science and Technology Innovation Department, Università del Piemonte Orientale, Alessandria, Italy
| | - Carmen Mortellaro
- Dental Clinic - Health Sciences Department, Università del Piemonte Orientale, Novara, Italy
| | - Filippo Renò
- Innovative Research Laboratory for Wound Healing - Health Sciences Department, Università del Piemonte Orientale, Novara, Italy
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Rea IM, Gibson DS, McGilligan V, McNerlan SE, Alexander HD, Ross OA. Age and Age-Related Diseases: Role of Inflammation Triggers and Cytokines. Front Immunol 2018; 9:586. [PMID: 29686666 PMCID: PMC5900450 DOI: 10.3389/fimmu.2018.00586] [Citation(s) in RCA: 707] [Impact Index Per Article: 117.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Accepted: 03/08/2018] [Indexed: 12/11/2022] Open
Abstract
Cytokine dysregulation is believed to play a key role in the remodeling of the immune system at older age, with evidence pointing to an inability to fine-control systemic inflammation, which seems to be a marker of unsuccessful aging. This reshaping of cytokine expression pattern, with a progressive tendency toward a pro-inflammatory phenotype has been called "inflamm-aging." Despite research there is no clear understanding about the causes of "inflamm-aging" that underpin most major age-related diseases, including atherosclerosis, diabetes, Alzheimer's disease, rheumatoid arthritis, cancer, and aging itself. While inflammation is part of the normal repair response for healing, and essential in keeping us safe from bacterial and viral infections and noxious environmental agents, not all inflammation is good. When inflammation becomes prolonged and persists, it can become damaging and destructive. Several common molecular pathways have been identified that are associated with both aging and low-grade inflammation. The age-related change in redox balance, the increase in age-related senescent cells, the senescence-associated secretory phenotype (SASP) and the decline in effective autophagy that can trigger the inflammasome, suggest that it may be possible to delay age-related diseases and aging itself by suppressing pro-inflammatory molecular mechanisms or improving the timely resolution of inflammation. Conversely there may be learning from molecular or genetic pathways from long-lived cohorts who exemplify good quality aging. Here, we will discuss some of the current ideas and highlight molecular pathways that appear to contribute to the immune imbalance and the cytokine dysregulation, which is associated with "inflammageing" or parainflammation. Evidence of these findings will be drawn from research in cardiovascular disease, cancer, neurological inflammation and rheumatoid arthritis.
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Affiliation(s)
- Irene Maeve Rea
- School of Medicine, Dentistry and Biomedical Science, Queens University Belfast, Belfast, United Kingdom
- Northern Ireland Centre for Stratified Medicine, Biomedical Sciences Research Institute, University of Ulster, C-TRIC Building, Altnagelvin Area Hospital, Londonderry, United Kingdom
- Care of Elderly Medicine, Belfast Health and Social Care Trust, Belfast, United Kingdom
| | - David S. Gibson
- Northern Ireland Centre for Stratified Medicine, Biomedical Sciences Research Institute, University of Ulster, C-TRIC Building, Altnagelvin Area Hospital, Londonderry, United Kingdom
| | - Victoria McGilligan
- Northern Ireland Centre for Stratified Medicine, Biomedical Sciences Research Institute, University of Ulster, C-TRIC Building, Altnagelvin Area Hospital, Londonderry, United Kingdom
| | - Susan E. McNerlan
- Regional Genetics Service, Belfast Health and Social Care Trust, Belfast, United Kingdom
| | - H. Denis Alexander
- Northern Ireland Centre for Stratified Medicine, Biomedical Sciences Research Institute, University of Ulster, C-TRIC Building, Altnagelvin Area Hospital, Londonderry, United Kingdom
| | - Owen A. Ross
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, United States
- Department of Clinical Genomics, Mayo Clinic, Jacksonville, FL, United States
- School of Medicine and Medical Science, University College Dublin, Dublin, Ireland
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Tsujii A, Nakamura N, Horibe S. Age-related changes in the knee meniscus. Knee 2017; 24:1262-1270. [PMID: 28970119 DOI: 10.1016/j.knee.2017.08.001] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 07/17/2017] [Accepted: 08/01/2017] [Indexed: 02/02/2023]
Abstract
BACKGROUND Aging is the most prominent risk factor for the development of osteoarthritis (OA), which affects knees and causes major health burdens. Meniscal dysfunction mostly based on degeneration contributes to the development and progression of knee OA. Meniscal degeneration is caused by various extrinsic factors, such as repetitive trauma or leg malalignment, while meniscal aging is considered as internal changes, such as molecular or cellular changes. Little is known about age-related changes in the meniscus. Therefore, this review aimed to summarize and clarify the understanding of the aged meniscus. METHODS There are few articles about natural aging in the meniscus, because most reports only demonstrate the effects of OA on the meniscus. We searched PubMed (1948 to November 2016) to identify and summarize all English-language articles evaluating natural aging in the meniscus. RESULTS There is evidence of compositional change in the meniscus with aging, involving cells, collagens, and proteoglycans. In addition, as recent reports on the natural aging of cartilage have indicated, senescence of the meniscal cells may also lead to disruption of meniscal cells and tissue homeostasis. Due to the low turnover rate of collagen, accumulation of advanced glycation end-products largely contributes to tissue stiffness and vulnerability, and finally results in degenerative changes or tears. Furthermore, environmental factors such as joint fluid secreted by inflamed synovium could also contribute to meniscal tissue deterioration. CONCLUSIONS Age-related changes induce meniscal tissue vulnerability and finally lead to meniscal dysfunction.
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Affiliation(s)
- Akira Tsujii
- Department of Orthopedics, Yao Municipal Hospital, Yao, Osaka, Japan.
| | - Norimasa Nakamura
- Institute for Medical Science in Sports, Osaka Health Science University, Osaka, Japan
| | - Shuji Horibe
- Faculty of Comprehensive Rehabilitation, Osaka Prefectural University, Habikino, Osaka, Japan
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Zhang Z, Li X, Huang H, Wang G, Qu Z, Zhang H. Cross-Coupling Effects of Silencing of Cyclooxygenase-2 (COX-2)/Aggrecanase-1 and Over-Expressed Insulin-Like Growth Factor 1 (IGF-1) in an Osteoarthritis Animal Model. Med Sci Monit 2017; 23:5302-5310. [PMID: 29112682 PMCID: PMC5687117 DOI: 10.12659/msm.907150] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Accepted: 10/19/2017] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND This study aimed to observe the effect of lentivirus-mediated cyclooxygenase-2 and aggrecanase-1 silencing and insulin-like growth factor-1 overexpression in human bone marrow mesenchymal stem cells after injection into model osteoarthritic knees. MATERIAL AND METHODS Using genetic recombination technique, the genes of cyclooxygenase-2, aggrecanase-1, and insulin-like growth factor-1 were recombined into the lentiviral vectors, and we transfected the human bone marrow stem cells in vitro. The BMSC transfected with lentivirus without genes served as a blank-virus group, and saline was used for another control group. One week later, the cytokines PGE2, aggrecanase-1, hIGF-1, and IL-1 were detected and compared between groups. RESULTS Compared with blank-virus group, the expression of COX-2 (85.81±5.12 ng/L) and aggrecanase1 (6.256±1.66) were decreased in the virus group (p<0.05), while the expression of hIGF-1 (17.46±1.86) was increased (p<0.05). The concentrations of PGE2 (85.81±5.12 ng/L), aggrecanase1 (51.34±5.463 ng/L), and IL-1 (82.31±4.321 ng/L) decreased (p<0.05) within the knee, but the concentration of hIGF-1 (44.33±0.7194 ng/L) increased (p<0.05). Compared with the other groups, the results of histological and immunohistochemical examinations demonstrated that the abrasion of articular cartilage was significantly improved and repaired. CONCLUSIONS Lentivirus-mediated RNAi can inhibit the expression of COX-2 mRNA and aggrecanase-1mRNA, and enhance the hIGF-1 mRNA expression, thereby influencing the concentration of cytokines in the early osteoarthritic model knee joints.
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Affiliation(s)
- Zhao Zhang
- Department of Hand and Foot Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong, P.R. China
| | - Xiaofei Li
- Department of Joint Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong, P.R. China
| | - Heng Huang
- Department of Hand and Foot Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong, P.R. China
| | - Guozhong Wang
- Department of Hand and Foot Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong, P.R. China
| | - Zhigang Qu
- Department of Hand and Foot Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong, P.R. China
| | - Haining Zhang
- Department of Joint Surgery, Affiliated Hospital of Qingdao University, Qingdao, Shandong, P.R. China
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Zhang DD, Zou MJ, Zhang YT, Fu WL, Xu T, Wang JX, Xia WR, Huang ZG, Gan XD, Zhu XM, Xu DG. A novel IL-1RA-PEP fusion protein with enhanced brain penetration ameliorates cerebral ischemia-reperfusion injury by inhibition of oxidative stress and neuroinflammation. Exp Neurol 2017; 297:1-13. [PMID: 28602833 DOI: 10.1016/j.expneurol.2017.06.012] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 05/14/2017] [Accepted: 06/07/2017] [Indexed: 12/21/2022]
Abstract
Neuroinflammation and oxidative stress are involved in cerebral ischemia-reperfusion, in which Interleukin 1 (IL-1), as an effective intervention target, is implicated. Interleukin-1 receptor antagonist (IL-1RA) is the natural inhibitor of IL-1, but blood-brain barrier (BBB) limits the brain penetration of intravenously administered IL-1RA, thereby restricting its therapeutic effect against neuroinflammation. In this study, we evaluated the potential effects of anti-inflammation and anti-oxidative stress of a novel protein IL-1RA-PEP, which fused IL-1RA with a cell penetrating peptide (CPP). Studies were carried out in transient middle cerebral artery occlusion (MCAO) in rats and oxygen glucose deprivation/reoxygenation (OGD/R) in primary cortical neurons. In MCAO rat model, IL-1RA-PEP (50mg/kg) injected i.v., penetrated BBB effectively, and alleviated brain infarction, cerebral edema, neurological deficit score and motor performance as well as inhibited the inflammatory cytokines expression. Furthermore, our results firstly showed that IL-1RA-PEP also regulated the oxidases expression, decreased the levels of NO, MDA and ROS. In addition, the inhibitory effects of IL-1RA-PEP on oxidative stress and inflammation were confirmed in rat cortical neurons induced by OGD/R, it reduced ROS, IL-6 and TNF-α. Further study showed that the effects of IL-1RA-PEP were closely associated with the NF-κB and p38 pathways which were proved respectively by their inhibitors JSH-23 and SB203580. Our results indicated that IL-1RA-PEP could effectively penetrate the brain of MCAO rats, alleviated the cerebral ischemia reperfusion injury by inhibiting neuroinflammation and oxidative stress, showing a great clinical potential for stroke.
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Affiliation(s)
- Dong-Dong Zhang
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, PR China; Anhui Medical University, 81 Meishan Road, Hefei 230032, PR China
| | - Min-Ji Zou
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, PR China
| | - Ya-Tao Zhang
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, PR China
| | - Wen-Liang Fu
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, PR China
| | - Tao Xu
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, PR China
| | - Jia-Xi Wang
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, PR China
| | - Wen-Rong Xia
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, PR China
| | - Zhi-Guang Huang
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, PR China
| | - Xiang-Dong Gan
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, PR China
| | - Xiao-Ming Zhu
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, PR China
| | - Dong-Gang Xu
- Beijing Institute of Basic Medical Sciences, 27 Taiping Road, Beijing 100850, PR China; Anhui Medical University, 81 Meishan Road, Hefei 230032, PR China.
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Review of Prospects of Biological Fluid Biomarkers in Osteoarthritis. Int J Mol Sci 2017; 18:ijms18030601. [PMID: 28287489 PMCID: PMC5372617 DOI: 10.3390/ijms18030601] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 02/26/2017] [Accepted: 03/06/2017] [Indexed: 12/14/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative disease of the joints and is one of the leading causes of disability in adults. However, there are no key therapeutics for OA and medical treatment is based on managing the symptoms and slowing down progression of the disease. Diagnostics based on clinical examination and radiography have provided little information about metabolic changes in joint tissues, disease onset and progression. Due to lack of effective methods for early detection and evaluation of treatment outcome, the measurement of biochemical markers (biomarkers) shows promise as a prospective method aiding in disease monitoring. OA biomarkers that are present in biological fluids such as blood, urine and synovial fluid, sources that are easily isolated from body, are of particular interest. Moreover, there are increasingly more studies identifying and developing new biomarkers for OA. In this review, efforts have been made to summarize the biomarkers that have been reported in recent studies on patients. We also tried to classify biomarkers according to tissue metabolism (bone, cartilage and synovial metabolism markers), pathological pathways (inflammatory and genetic markers) and biological function (chemokines, growth factors, acute phase proteins, etc.).
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Bigoni M, Turati M, Sacerdote P, Gaddi D, Piatti M, Castelnuovo A, Franchi S, Gandolla M, Pedrocchi A, Omeljaniuk RJ, Bresciani E, Locatelli V, Torsello A. Characterization of synovial fluid cytokine profiles in chronic meniscal tear of the knee. J Orthop Res 2017; 35:340-346. [PMID: 27107410 DOI: 10.1002/jor.23272] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 04/17/2016] [Indexed: 02/04/2023]
Abstract
Concentrations of pro- and anti-inflammatory cytokines in synovial fluid samples collected from patients with chronic meniscal tears were investigated. An acute inflammatory response is generally reported 24-48 h after knee injury, but the largest body of data available in literature concerns anterior cruciate ligament injury and very little information is available about the balance of soluble factors in the synovial fluid of knees with chronic meniscal tears. Sixty-nine patients (46 males and 23 females) with meniscal tear that occurred more than 3 months earlier were enrolled. According to cartilage integrity assessment by arthroscopic examination, patients were assigned to one of the following groups: (i) no chondral damage (n = 18); (ii) chondral damage graded from I to II (n = 15); and (iii) chondral damage graded from III to IV (n = 37). In all groups, levels of IL-10 and inflammatory cytokines IL-6, TNF-α, and IL-8 where greater compared with those reported in the intact population; by contrast, levels of IL-1ra and IL-1β were significantly lower. Interestingly, IL-6 levels were higher in female than male patients. Cytokine levels did not correlate with degree of chondral damage. IL-6 and IL-1ra levels positively correlated with IL-1β, and negatively correlated with TNF-α. Interestingly, levels of IL-1β and TNF-α were inversely correlated. Our data demonstrate increased levels of pro-inflammatory cytokines (IL-6, IL-8, and TNF-α) in the chronic phase of meniscal trauma. This pro-inflammatory state is maintained in the joint from the time of initial injury to several months later and could be a key factor in hampering cartilage regeneration. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:340-346, 2017.
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Affiliation(s)
- Marco Bigoni
- Department of Orthopedic, San Gerardo Hospital, Monza, Italy.,Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Marco Turati
- Department of Orthopedic, San Gerardo Hospital, Monza, Italy
| | - Paola Sacerdote
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
| | - Diego Gaddi
- Department of Orthopedic, San Gerardo Hospital, Monza, Italy
| | | | | | - Silvia Franchi
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy
| | - Marta Gandolla
- Politecnico di Milano, NearLab, Department of Electronics, Information and Bioengineering, Milan, Italy
| | - Alessandra Pedrocchi
- Politecnico di Milano, NearLab, Department of Electronics, Information and Bioengineering, Milan, Italy
| | | | - Elena Bresciani
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Vittorio Locatelli
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Antonio Torsello
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
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S GN, Kamal W, George J, Manssor E. Radiological and biochemical effects (CTX-II, MMP-3, 8, and 13) of low-level laser therapy (LLLT) in chronic osteoarthritis in Al-Kharj, Saudi Arabia. Lasers Med Sci 2016; 32:297-303. [PMID: 27913970 DOI: 10.1007/s10103-016-2114-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2016] [Accepted: 11/22/2016] [Indexed: 11/30/2022]
Abstract
Inflammation of synovial membrane and degeneration of articular cartilage in osteoarthritis (OA) lead to major changes in joint space width (JSW) and biochemical components such as collagen-II telopeptide (CTX-II) and matrix metallo protineases (MMP-3, 8, and 13). Low-level laser therapy (LLLT) is thought to have an analgesic effect as well as biomodulatory effect on microcirculation and cartilage regeneration in animal studies. The objective of this study was to examine the analgesic and biochemical effect of LLLT in patients with knee osteoarthritis. Subjects (n = 34) who fulfilled the selection criteria were randomly divided into active group (n = 17) and placebo group. Subjects in active group were irradiated laser with the frequency of 3 days per week for 4 weeks with the specific parameters on 8 different points on the joint at 1.5 J per point for 60 s for 8 points for a total dose of 12 J in a skin contact method. The placebo group was treated with the same probe with minimum emission of energy. Visual analog scale for pain intensity, joint space width, collagen-II telopeptide, and matrix metallo protinease-3, 8, and 13 was measured before treatment and at 4 and 8 weeks following treatment. Data are analyzed with mean values and standard deviation with p < 0.05. Baseline values of all outcome measures show insignificant difference (p > 0.05) in both groups which shows homogeneity. After 4- and 8-week treatment, active laser group shows more significant difference (p < 0.001) in all the parameters than the placebo laser group (p > 0.05). Our results show that low-level laser therapy was more efficient in reducing pain and improving cartilage thickness through biochemical changes.
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Affiliation(s)
- Gopal Nambi S
- Department of Physical Therapy and Health Rehabilitation, Prince Sattam Bin Abdul Aziz University, Al-Kharj, Saudi Arabia.
| | - Walid Kamal
- Department of Physical Therapy and Health Rehabilitation, Prince Sattam Bin Abdul Aziz University, Al-Kharj, Saudi Arabia
| | - Julie George
- Department of Physical Therapy and Health Rehabilitation, Prince Sattam Bin Abdul Aziz University, Al-Kharj, Saudi Arabia
| | - Elbagir Manssor
- Radiology and Medical Imaging Department, Prince Sattam Bin Abdul Aziz University, Al-Kharj, Saudi Arabia
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Abstract
The extent of ageing in the musculoskeletal system during the life course affects the quality and length of life. Loss of bone, degraded articular cartilage, and degenerate, narrowed intervertebral discs are primary features of an ageing skeleton, and together they contribute to pain and loss of mobility. This review covers the cellular constituents that make up some key components of the musculoskeletal system and summarizes discussion from the 2015 Aarhus Regenerative Orthopaedic Symposium (AROS) (Regeneration in the Ageing Population) about how each particular cell type alters within the ageing skeletal microenvironment.
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Affiliation(s)
- Sally Roberts
- Spinal Studies and ISTM, Keele University, and Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, UK
| | - Pauline Colombier
- INSERM U791-LIOAD, Centre Hospitalo-Universitaire (CHU) de Nantes, Nantes, France
| | - Aneka Sowman
- Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK
| | - Claire Mennan
- Spinal Studies and ISTM, Keele University, and Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, UK
| | - Jan H D Rölfing
- Orthopaedic Research Laboratory and Departments of Orthopaedics, Aarhus and Aalborg University Hospitals, Aarhus, Denmark
| | - Jérôme Guicheux
- INSERM U791-LIOAD, Centre Hospitalo-Universitaire (CHU) de Nantes, Nantes, France
| | - James R Edwards
- Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK,Correspondence:
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Zhang HX, Wang YG, Lu SY, Lu XX, Liu J. Identification ofIL-7as a candidate disease mediator in osteoarthritis in Chinese Han population: a case-control study. Rheumatology (Oxford) 2016; 55:1681-5. [DOI: 10.1093/rheumatology/kew220] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Indexed: 01/07/2023] Open
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El-Tawil S, Arendt E, Parker D. Position statement: the epidemiology, pathogenesis and risk factors of osteoarthritis of the knee. J ISAKOS 2016. [DOI: 10.1136/jisakos-2015-000002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Mabey T, Honsawek S, Tanavalee A, Yuktanandana P, Wilairatana V, Poovorawan Y. Plasma and synovial fluid inflammatory cytokine profiles in primary knee osteoarthritis. Biomarkers 2016; 21:639-44. [PMID: 27122451 DOI: 10.3109/1354750x.2016.1171907] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVE The objective of this study is to compare inflammatory cytokine levels in primary knee osteoarthritis (OA) patients and healthy controls. METHODS A total of 32 knee OA patients and 14 healthy controls were enrolled. A multiplex immunoassay was utilized for 10 cytokines in plasma and synovial fluid. RESULTS Plasma IL-2, IL-4, and IL-6 concentrations were significantly greater in knee OA patients than controls. Moreover, both plasma IL-4 and IL-6 were positively correlated with the radiographic severity of knee OA. CONCLUSIONS Plasma IL-4 and IL-6 may serve as biomarkers reflecting the severity of OA.
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Affiliation(s)
- Thomas Mabey
- a Department of Biochemistry, Faculty of Medicine , Chulalongkorn University, King Chulalongkorn Memorial Hospital, Thai Red Cross Society , Bangkok , Thailand
| | - Sittisak Honsawek
- a Department of Biochemistry, Faculty of Medicine , Chulalongkorn University, King Chulalongkorn Memorial Hospital, Thai Red Cross Society , Bangkok , Thailand ;,b Vinai Parkpian Orthopaedic Research Center, Department of Orthopaedics, Faculty of Medicine , Chulalongkorn University, King Chulalongkorn Memorial Hospital, Thai Red Cross Society , Bangkok , Thailand
| | - Aree Tanavalee
- b Vinai Parkpian Orthopaedic Research Center, Department of Orthopaedics, Faculty of Medicine , Chulalongkorn University, King Chulalongkorn Memorial Hospital, Thai Red Cross Society , Bangkok , Thailand
| | - Pongsak Yuktanandana
- b Vinai Parkpian Orthopaedic Research Center, Department of Orthopaedics, Faculty of Medicine , Chulalongkorn University, King Chulalongkorn Memorial Hospital, Thai Red Cross Society , Bangkok , Thailand
| | - Vajara Wilairatana
- b Vinai Parkpian Orthopaedic Research Center, Department of Orthopaedics, Faculty of Medicine , Chulalongkorn University, King Chulalongkorn Memorial Hospital, Thai Red Cross Society , Bangkok , Thailand
| | - Yong Poovorawan
- c Department of Pediatrics Faculty of Medicine, Center of Excellence in Clinical Virology , Chulalongkorn University, King Chulalongkorn Memorial Hospital, Thai Red Cross Society , Bangkok , Thailand
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Characterisation of synovial fluid and infrapatellar fat pad derived mesenchymal stromal cells: The influence of tissue source and inflammatory stimulus. Sci Rep 2016; 6:24295. [PMID: 27073003 PMCID: PMC4829842 DOI: 10.1038/srep24295] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Accepted: 03/16/2016] [Indexed: 12/11/2022] Open
Abstract
The infrapatellar fat pad (FP) and synovial fluid (SF) in the knee serve as reservoirs of mesenchymal stromal cells (MSCs) with potential therapeutic benefit. We determined the influence of the donor on the phenotype of donor matched FP and SF derived MSCs and examined their immunogenic and immunomodulatory properties before and after stimulation with the pro-inflammatory cytokine interferon-gamma (IFN-γ). Both cell populations were positive for MSC markers CD73, CD90 and CD105, and displayed multipotency. FP-MSCs had a significantly faster proliferation rate than SF-MSCs. CD14 positivity was seen in both FP-MSCs and SF-MSCs, and was positively correlated to donor age but only for SF-MSCs. Neither cell population was positive for the co-stimulatory markers CD40, CD80 and CD86, but both demonstrated increased levels of human leukocyte antigen-DR (HLA-DR) following IFN-γ stimulation. HLA-DR production was positively correlated with donor age for FP-MSCs but not SF-MSCs. The immunomodulatory molecule, HLA-G, was constitutively produced by both cell populations, unlike indoleamine 2, 3-dioxygenase which was only produced following IFN-γ stimulation. FP and SF are accessible cell sources which could be utilised in the treatment of cartilage injuries, either by transplantation following ex-vivo expansion or endogenous targeting and mobilisation of cells close to the site of injury.
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Correlation between synovial vascular endothelial growth factor, clinical, functional and radiological manifestations in knee osteoarthritis. EGYPTIAN RHEUMATOLOGIST 2016. [DOI: 10.1016/j.ejr.2015.01.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Aging-related inflammation in osteoarthritis. Osteoarthritis Cartilage 2015; 23:1966-71. [PMID: 26521742 PMCID: PMC4630808 DOI: 10.1016/j.joca.2015.01.008] [Citation(s) in RCA: 331] [Impact Index Per Article: 36.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Revised: 01/05/2015] [Accepted: 01/09/2015] [Indexed: 02/07/2023]
Abstract
It is well accepted that aging is an important contributing factor to the development of osteoarthritis (OA). The mechanisms responsible appear to be multifactorial and may include an age-related pro-inflammatory state that has been termed "inflamm-aging." Age-related inflammation can be both systemic and local. Systemic inflammation can be promoted by aging changes in adipose tissue that result in increased production of cytokines such as interleukin (IL)-6 and tumor necrosis factor-α (TNFα). Numerous studies have shown an age-related increase in blood levels of IL-6 that has been associated with decreased physical function and frailty. Importantly, higher levels of IL-6 have been associated with an increased risk of knee OA progression. However, knockout of IL-6 in male mice resulted in worse age-related OA rather than less OA. Joint tissue cells, including chondrocytes and meniscal cells, as well as the neighboring infrapatellar fat in the knee joint, can be a local source of inflammatory mediators that increase with age and contribute to OA. An increased production of pro-inflammatory mediators that include cytokines and chemokines, as well as matrix-degrading enzymes important in joint tissue destruction, can be the result of cell senescence and the development of the senescence-associated secretory phenotype (SASP). Further studies are needed to better understand the basis for inflamm-aging and its role in OA with the hope that this work will lead to new interventions targeting inflammation to reduce not only joint tissue destruction but also pain and disability in older adults with OA.
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Osteoarthritic changes in vervet monkey knees correlate with meniscus degradation and increased matrix metalloproteinase and cytokine secretion. Osteoarthritis Cartilage 2015; 23:1780-9. [PMID: 26033163 PMCID: PMC4642681 DOI: 10.1016/j.joca.2015.05.020] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Revised: 05/19/2015] [Accepted: 05/21/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Meniscus injury increases osteoarthritis risk but its pathobiology in osteoarthritis is unclear. We hypothesized that older adult vervet monkeys would exhibit knee osteoarthritic changes and the degenerative menisci from these animals would secrete matrix metalloproteinases (MMPs) and pro-inflammatory cytokines that contribute to the development of osteoarthritis. DESIGN In a cross sectional analysis of healthy young adult (9-12 years) and old (19-26 years) adult female vervet monkeys, knees were evaluated in vivo with computed tomography (CT) imaging, and joint tissues were morphologically graded at necropsy. Meniscus explants were subsequently cultured to evaluate meniscal MMP and cytokine secretion. RESULTS CT images revealed significant bony osteoarthritic changes in 80% of older monkeys which included increases in osteophyte number and meniscal calcification. Meniscus and cartilage degradation scores were greater in the older monkeys and were positively correlated (r > 0.7). Menisci from older animals exhibiting osteoarthritic changes secreted significantly more MMP-1, MMP-3, and MMP-8 than healthy menisci from younger monkeys. Older menisci without significant osteoarthritic changes secreted more IL-7 than healthy young menisci while older osteoarthritic menisci secreted more IL-7 and granulocyte-macrophage colony-stimulating factor than healthy older menisci. CONCLUSIONS Aged vervets develop naturally occurring knee osteoarthritis that includes involvement of the meniscus. Degenerative menisci secreted markedly increased amounts of matrix-degrading enzymes and inflammatory cytokines. These factors would be expected to act on the meniscus tissue and local joint tissues and may ultimately promote osteoarthritis development. These finding also suggest vervet monkeys are a useful animal model for studying the progression of osteoarthritis.
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Mabey T, Honsawek S. Cytokines as biochemical markers for knee osteoarthritis. World J Orthop 2015; 6:95-105. [PMID: 25621214 PMCID: PMC4303794 DOI: 10.5312/wjo.v6.i1.95] [Citation(s) in RCA: 143] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Revised: 03/24/2014] [Accepted: 07/17/2014] [Indexed: 02/06/2023] Open
Abstract
Osteoarthritis (OA) is a debilitating degenerative joint disease particularly affecting weightbearing joints within the body, principally the hips and knees. Current radiographic techniques are insufficient to show biochemical changes within joint tissue which can occur many years before symptoms become apparent. The need for better diagnostic and prognostic tools is heightened with the prevalence of OA set to increase in aging and obese populations. As inflammation is increasingly being considered an important part of OAs pathophysiology, cytokines are being assessed as possible candidates for biochemical markers. Cytokines, both pro- and anti-inflammatory, as well as angiogenic and chemotactic, have in recent years been studied for relevant characteristics. Biochemical markers show promise in determination of the severity of disease in addition to monitoring of the efficacy and safety of disease-modifying OA drugs, with the potential to act as diagnostic and prognostic tools. Currently, the diagnostic power of interleukin (IL)-6 and the relationship to disease burden of IL-1β, IL-15, tumor necrosis factor-α, and vascular endothelial growth factor make these the best candidates for assessment. Grouping appropriate cytokine markers together and assessing them collectively alongside other bone and cartilage degradation products will yield a more statistically powerful tool in research and clinical applications, and additionally aid in distinguishing between OA and a number of other diseases in which cytokines are known to have an involvement. Further large scale studies are needed to assess the validity and efficacy of current biomarkers, and to discover other potential biomarker candidates.
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Kim HR, Lee JH, Kim KW, Kim BM, Lee SH. The relationship between synovial fluid VEGF and serum leptin with ultrasonographic findings in knee osteoarthritis. Int J Rheum Dis 2014; 19:233-40. [PMID: 25529922 DOI: 10.1111/1756-185x.12486] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
AIM This study aimed to determine synovial fluid and serum biomarkers which could accord with radiological and ultrasonographic findings in knee osteoarthritis. METHODS Thirty-four patients with knee osteoarthritis were detected with joint effusion by clinical examination. Both knee joints were examined using plain radiographs and ultrasonography. Questions were obtained for visual analog scale (VAS), Western Ontario McMaster Universities Osteoarthritis Index and Health Assessment Questionnaire (HAQ). Synovial fluid (SF) and serum levels of vascular endothelial growth factor (VEGF), matrix metalloproteinase (MMP)-13, leptin, resistin and cartilage oligomeric matrix protein (COMP) were measured using enzyme-linked immunosorbent assay. RESULTS Synovial fluid VEGF level was positively correlated with Kellgren-Lawrence (KL) grades and it was higher in patients with KL grade 4 than those with KL grade 2. SF VEGF correlated with ultrasonographic findings, such as the length of medial osteophytes. The amount of effusion was positively correlated with SF resistin. Serum leptin level had positive correlation with HAQ and the length of medial osteophytes. MMP-13 or COMP levels were not correlated with radiographic or ultrasonographic findings. CONCLUSION Synovial fluid VEGF level was correlated with radiographic grading, ultrasonographic findings and functional statues in knee osteoarthritis, and serum leptin level also correlated with the ultrasonographic findings and functional status of knee osteoarthritis.
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Affiliation(s)
- Hae-Rim Kim
- Division of Rheumatology, Department of Internal Medicine, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Korea
| | - Jung-Hwa Lee
- Division of Rheumatology, Department of Internal Medicine, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Korea
| | - Kyoung-Woon Kim
- Conversant Research Consorcium in Immunologic disease, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Bo-Mi Kim
- Division of Rheumatology, Department of Internal Medicine, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Korea
| | - Sang-Heon Lee
- Division of Rheumatology, Department of Internal Medicine, Research Institute of Medical Science, Konkuk University School of Medicine, Seoul, Korea
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Alves AC, Vieira R, Leal-Junior E, dos Santos S, Ligeiro AP, Albertini R, Junior J, de Carvalho P. Effect of low-level laser therapy on the expression of inflammatory mediators and on neutrophils and macrophages in acute joint inflammation. Arthritis Res Ther 2014; 15:R116. [PMID: 24028507 PMCID: PMC3979014 DOI: 10.1186/ar4296] [Citation(s) in RCA: 100] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2013] [Revised: 06/06/2013] [Accepted: 09/12/2013] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION Inflammation of the synovial membrane plays an important role in the pathophysiology of osteoarthritis (OA). The synovial tissue of patients with initial OA is characterized by infiltration of mononuclear cells and production of proinflammatory cytokines and other mediators of joint injury. The objective was to evaluate the effect of low-level laser therapy (LLLT) operating at 50 mW and 100 mW on joint inflammation in rats induced by papain, through histopathological analysis, differential counts of inflammatory cells (macrophages and neutrophils), as well as gene expression of interleukin 1-beta and 6 (IL-1β and IL-6), and protein expression of tumor necrosis factor alpha (TNFα). METHODS Male Wistar rats (n = 60) were randomly divided into four groups of 15 animals, namely: a negative control group; an inflammation injury positive control group; a 50 mW LLLT group, subjected to injury and treated with 50 mW LLLT; and a 100 mW LLLT group, subjected to injury and treated with 100 mW LLLT. The animals were subject to joint inflammation (papain solution, 4%) and then treated with LLLT (808 nm, 4 J, 142.4 J/cm(2), spot size 0.028 for both groups). On the day of euthanasia, articular lavage was collected and immediately centrifuged; the supernatant was saved for analysis of expression of TNFα protein by enzyme-linked immunosorbent assay and expression of IL-1β and IL-6 mRNA by real-time polymerase chain reaction. A histologic examination of joint tissue was also performed. For the statistical analysis, analysis of variance with Tukey's post-hoc test was used for comparisons between each group. All data are expressed as mean values and standard deviation, with P < 0.05. RESULTS Laser treatment with 50 mW was more efficient than 100 mW in reducing cellular inflammation, and decreased the expression of IL-1β and IL-6. However, the 100 mW treatment led to a higher reduction of TNFα compared with the 50 mW treatment. CONCLUSIONS LLLT with 50 mW was more efficient in modulating inflammatory mediators (IL-1β, IL-6) and inflammatory cells (macrophages and neutrophils), which correlated with the histology that showed a reduction in the inflammatory process.
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