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Wolfgart JM, Grötzner LC, Hemayatkar-Fink S, Schwitalle M, Bonnaire FC, Feierabend M, Danalache M, Hofmann UK. Biomarkers for hypertrophic chondrocyte differentiation are associated with spatial cellular organisation and suggest endochondral ossification-like processes in osteoarthritic cartilage: An exploratory study. J Orthop Translat 2024; 48:232-243. [PMID: 39314759 PMCID: PMC11417340 DOI: 10.1016/j.jot.2024.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 06/27/2024] [Accepted: 08/06/2024] [Indexed: 09/25/2024] Open
Abstract
Background In healthy articular cartilage, chondrocytes are found along arcades of collagen fibers as Single Strings. With onset of cartilage degeneration this pattern changes to Double Strings. In the course of osteoarthritis Small Clusters, and finally Big Clusters form. In highly degenerated articular cartilage, another poorly understood pattern is found where chondrocyte morphology differs considerably, and the distribution of cells is diffuse. Progression of osteoarthritis is accompanied by key processes such as chondrocyte proliferation, apoptosis, hypertrophic differentiation, inflammation, and angiogenesis. The aim of this exploratory study was to identify biomarkers for these processes in the context of spatial cellular organizational changes in articular cartilage. Methods Cartilage explants (n = 166 patients) were sorted according to their predominant cellular pattern. Quantitative or semi-quantitative analysis of 39 biomarkers were performed by multiplex assay (31) or ELISA (8), and qualitative analysis on 12 immunohistochemical markers. Results Hypertrophic differentiation (e.g. type-X collagen, osteopontin, osteocalcin and interleukin-6) and angiogenesis were associated with changes in chondrocyte organisation. First changes take place already at the transition from Single Strings to Double Strings. Drastic changes in the appearance of numerous biomarkers are found at the transition from Big Clusters to Diffuse. Conclusion Key processes in osteoarthritis and their biomarkers seem to depend on the spatial distribution of chondrocytes in articular cartilage. Abrupt changes in biomarker occurrence were observed between Big Clusters and Diffuse insinuating that the Diffuse pattern is composed of a different cell population or at least a different form of chondrocyte morphology. The Translational Potential of this Article In situ identification of the different spatial chondrocyte patterns by fluorescence microscopy has already been established in the recent past. Analysing human in-situ cartilage explants rather than isolated OA chondrocytes closes the gap between in vitro and in vivo studies and as such, stretches a big step towards translation of the observed findings. The direct association between tissue biomarker profile and cellular arrangements representing different states of OA sheds new light on the molecular and cellular physiopathology, especially in the context of larger processes such as angiogenesis, cellular proliferation, differentiation, and apoptosis. This also opens an interesting perspective for future investigation of such biomarkers and processes in clinical studies.
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Affiliation(s)
- Julius Michael Wolfgart
- Laboratory of Cell Biology, Department of Orthopaedic Surgery University Hospital of Tübingen, Waldhörnlestraße 22, D-72072, Tübingen, Germany
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, Division of Arthroplasty, RWTH Aachen University Hospital, Pauwelsstraße 30, D-52074, Aachen, Germany
| | - Lea Cathrine Grötzner
- Laboratory of Cell Biology, Department of Orthopaedic Surgery University Hospital of Tübingen, Waldhörnlestraße 22, D-72072, Tübingen, Germany
- Medical Faculty of the University of Tübingen, D-72076, Tübingen, Germany
| | - Sascha Hemayatkar-Fink
- Laboratory of Cell Biology, Department of Orthopaedic Surgery University Hospital of Tübingen, Waldhörnlestraße 22, D-72072, Tübingen, Germany
- Department of Trauma and Orthopaedic Surgery and Sports Medicine, Kreiskliniken Reutlingen, Steinenbergstraße 31, D-72764, Reutlingen, Germany
| | - Maik Schwitalle
- Winghofer Medicum, Röntgenstraße 38, D-72108, Rottenburg am Neckar, Germany
| | - Florian Christof Bonnaire
- Laboratory of Cell Biology, Department of Orthopaedic Surgery University Hospital of Tübingen, Waldhörnlestraße 22, D-72072, Tübingen, Germany
- Institute for Diagnostic and Interventional Radiology, Kreiskliniken Reutlingen, Steinenbergstraße 31, D-72764, Reutlingen, Germany
| | - Martina Feierabend
- Laboratory of Cell Biology, Department of Orthopaedic Surgery University Hospital of Tübingen, Waldhörnlestraße 22, D-72072, Tübingen, Germany
- Metabolic Reconstruction and Flux Modelling, Institue for Plant Sciences, University of Cologne, Germany
| | - Marina Danalache
- Laboratory of Cell Biology, Department of Orthopaedic Surgery University Hospital of Tübingen, Waldhörnlestraße 22, D-72072, Tübingen, Germany
| | - Ulf Krister Hofmann
- Laboratory of Cell Biology, Department of Orthopaedic Surgery University Hospital of Tübingen, Waldhörnlestraße 22, D-72072, Tübingen, Germany
- Department of Orthopaedic, Trauma, and Reconstructive Surgery, Division of Arthroplasty, RWTH Aachen University Hospital, Pauwelsstraße 30, D-52074, Aachen, Germany
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Jaabar IL, Foley B, Mezzetti A, Pillier F, Berenbaum F, Landoulsi J, Houard X. Unraveling the Mechanisms of Hypertrophy-Induced Matrix Mineralization and Modifications in Articular Chondrocytes. Calcif Tissue Int 2024; 115:269-282. [PMID: 38918254 DOI: 10.1007/s00223-024-01229-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 05/12/2024] [Indexed: 06/27/2024]
Abstract
Chondrocyte hypertrophic differentiation is a main event leading to articular cartilage degradation in osteoarthritis. It is associated with matrix remodeling and mineralization, the dynamics of which is not well characterized during chondrocyte hypertrophic differentiation in articular cartilage. Based on an in vitro model of progressive differentiation of immature murine articular chondrocytes (iMACs) into prehypertrophic (Prehyp) and hypertrophic (Hyp) chondrocytes, we performed kinetics of chondrocyte differentiation from Prehyp to Hyp to follow matrix mineralization and remodeling by immunofluorescence, biochemical, molecular, and physicochemical approaches, including atomic force microscopy, scanning electron microscopy associated with energy-dispersive X-ray spectroscopy (SEM-EDS), attenuated total reflection infrared analyses, and X-ray diffraction. Chondrocyte apoptosis was determined by TUNEL assay. The results show the formation of a mineral phase 7 days after Hyp induction, which spreads within the matrices to form poorly crystalline carbonate-substituted hydroxyapatite after 14 days, then the proportions of crystalline relative to amorphous content increases over time. Hyp differentiation also induced a matrix turnover that occurs over the first 7 days, characterized by a decrease in type II collagen and aggrecan and the concomitant appearance of type X collagen. This is accompanied by an increase in the enzymatic activity of MMP-13, the main collagenase in cartilage. The number of apoptotic chondrocytes slightly increased with Hyp differentiation and SEM-EDS analyses detected phosphorus-rich structures that could correspond to apoptotic bodies. Our findings highlight the mechanisms of matrix remodeling events leading to the mineralization of articular cartilage that may occur in osteoarthritis.
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Affiliation(s)
- Ilhem Lilia Jaabar
- Laboratoire de Réactivité de Surface, LRS, CNRS, Sorbonne Université, 4, Place Jussieu, 75005, Paris, France
- INSERM, Centre de Recherche Saint-Antoine, CRSA, Sorbonne Université, 34 Rue Crozatier, 75012, Paris, France
| | - Brittany Foley
- Laboratoire de Réactivité de Surface, LRS, CNRS, Sorbonne Université, 4, Place Jussieu, 75005, Paris, France
- Laboratoire de Biomécanique & Bioingénierie, CNRS, Université de Technologie de Compiègne, BP 20529, 60205, Compiègne Cedex, France
| | - Alberto Mezzetti
- Laboratoire de Réactivité de Surface, LRS, CNRS, Sorbonne Université, 4, Place Jussieu, 75005, Paris, France
| | - Françoise Pillier
- Laboratoire Interfaces et Systèmes Electrochimiques, LISE, CNRS,, Sorbonne Université, 75012, Paris, France
| | - Francis Berenbaum
- INSERM, Centre de Recherche Saint-Antoine, CRSA, Sorbonne Université, 34 Rue Crozatier, 75012, Paris, France
- Rheumatology Department, AP-HP Saint-Antoine Hospital, 184, Rue du Faubourg Saint-Antoine, 75012, Paris, France
| | - Jessem Landoulsi
- Laboratoire de Réactivité de Surface, LRS, CNRS, Sorbonne Université, 4, Place Jussieu, 75005, Paris, France.
| | - Xavier Houard
- INSERM, Centre de Recherche Saint-Antoine, CRSA, Sorbonne Université, 34 Rue Crozatier, 75012, Paris, France.
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Miao MZ, Lee JS, Yamada KM, Loeser RF. Integrin signalling in joint development, homeostasis and osteoarthritis. Nat Rev Rheumatol 2024; 20:492-509. [PMID: 39014254 DOI: 10.1038/s41584-024-01130-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2024] [Indexed: 07/18/2024]
Abstract
Integrins are key regulators of cell-matrix interactions during joint development and joint tissue homeostasis, as well as in the development of osteoarthritis (OA). The signalling cascades initiated by the interactions of integrins with a complex network of extracellular matrix (ECM) components and intracellular adaptor proteins orchestrate cellular responses necessary for maintaining joint tissue integrity. Dysregulated integrin signalling, triggered by matrix degradation products such as matrikines, disrupts this delicate balance, tipping the scales towards an environment conducive to OA pathogenesis. The interplay between integrin signalling and growth factor pathways further underscores the multifaceted nature of OA. Moreover, emerging insights into the role of endocytic trafficking in regulating integrin signalling add a new layer of complexity to the understanding of OA development. To harness the therapeutic potential of targeting integrins for mitigation of OA, comprehensive understanding of their molecular mechanisms across joint tissues is imperative. Ultimately, deciphering the complexities of integrin signalling will advance the ability to treat OA and alleviate its global burden.
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Affiliation(s)
- Michael Z Miao
- Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
- Craniofacial Anomalies and Regeneration Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
- Division of Rheumatology, Allergy, and Immunology and the Thurston Arthritis Research Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Janice S Lee
- Craniofacial Anomalies and Regeneration Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
- Office of the Clinical Director, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Kenneth M Yamada
- Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA.
| | - Richard F Loeser
- Division of Rheumatology, Allergy, and Immunology and the Thurston Arthritis Research Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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Wakimoto Y, Miura Y, Inoue S, Nomura M, Moriyama H. Effects of different combinations of mechanical loading intensity, duration, and frequency on the articular cartilage in mice. Mol Biol Rep 2024; 51:862. [PMID: 39073659 PMCID: PMC11286701 DOI: 10.1007/s11033-024-09762-5] [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: 01/29/2024] [Accepted: 06/26/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND Understanding how healthy articular cartilage responds to mechanical loading is critical. Moderate mechanical loading has positive effects on the cartilage, such as maintaining cartilage homeostasis. The degree of mechanical loading is determined by a combination of intensity, frequency, and duration; however, the best combination of these parameters for knee cartilage remains unclear. This study aimed to determine which combination of intensity, frequency, and duration provides the best mechanical loading on healthy knee articular cartilage in vitro and in vivo. METHODS AND RESULTS In this study, 33 male mice were used. Chondrocytes isolated from mouse knee joints were subjected to different cyclic tensile strains (CTSs) and assessed by measuring the expression of cartilage matrix-related genes. Furthermore, the histological characteristics of mouse tibial cartilages were quantified using different treadmill exercises. Chondrocytes and mice were divided into the control group and eight intervention groups: high-intensity, high-frequency, and long-duration; high-intensity, high-frequency, and short-duration; high-intensity, low-frequency, and long-duration; high-intensity, low-frequency, and short-duration; low-intensity, high-frequency, and long-duration; low-intensity, high-frequency, and short-duration; low-intensity, low-frequency, and long-duration; low-intensity, low-frequency, and short-duration. In low-intensity CTSs, chondrocytes showed anabolic responses by altering the mRNA expression of COL2A1 in short durations and SOX9 in long durations. Furthermore, low-intensity, low-frequency, and long-duration treadmill exercises minimized chondrocyte hypertrophy and enhanced aggrecan synthesis in tibial cartilages. CONCLUSION Low-intensity, low-frequency, and long-duration mechanical loading is the best combination for healthy knee cartilage to maintain homeostasis and activate anabolic responses. Our findings provide a significant scientific basis for exercise and lifestyle instructions.
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Affiliation(s)
- Yoshio Wakimoto
- Department of Rehabilitation Science, Kobe University Graduate School of Health Sciences, Tomogaoka 7-10-2, Suma-ku, 654-0142, Kobe, Hyogo, Japan.
| | - Yasushi Miura
- Department of Rehabilitation Science, Kobe University Graduate School of Health Sciences, Tomogaoka 7-10-2, Suma-ku, 654-0142, Kobe, Hyogo, Japan
| | - Shota Inoue
- Department of Rehabilitation Science, Kobe University Graduate School of Health Sciences, Tomogaoka 7-10-2, Suma-ku, 654-0142, Kobe, Hyogo, Japan
| | - Masato Nomura
- Department of Rehabilitation Science, Kobe University Graduate School of Health Sciences, Tomogaoka 7-10-2, Suma-ku, 654-0142, Kobe, Hyogo, Japan
| | - Hideki Moriyama
- Department of Rehabilitation Science, Kobe University Graduate School of Health Sciences, Tomogaoka 7-10-2, Suma-ku, 654-0142, Kobe, Hyogo, Japan
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Li C, Tu Y, Rong R, Zhang Z, Chen W, Long L, Zhang Y, Wang C, Pan B, Wu X, Guan M, Yang B, Zheng L, Sheng P. Association of thyroid hormone with osteoarthritis: from mendelian randomization and RNA sequencing analysis. J Orthop Surg Res 2024; 19:429. [PMID: 39054551 PMCID: PMC11270794 DOI: 10.1186/s13018-024-04939-x] [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: 06/11/2024] [Accepted: 07/21/2024] [Indexed: 07/27/2024] Open
Abstract
BACKGROUND The relationship between thyroid hormone (TH) levels in vivo and osteoarthritis (OA) remains inconclusive. This study aims to investigate the association between TH levels and OA, analyze the effect of triiodothyronine on hypertrophic chondrocyte differentiation and OA progression, and identify potential target genes of triiodothyronine in OA to evaluate its diagnostic value. METHODS Two-sample mendelian randomization method was used to probe the causal links between hyperthyroidism and OA. Differentially expressed genes (DEGs) from two RNA-sequencing data in Gene Expression Omnibus (GSE199847 and GSE114007) and enrichment analysis of DEGs (166 commonly upregulated genes and 71 commonly downregulated genes of GSE199847 and GSE114007) was performed to analyze the effect of triiodothyronine (T3) on hypertrophic chondrocyte differentiation and OA. C28/I2 cells treated with T3 and reverse transcription and quantitative real-time polymerase chain reaction were used to validate T3 targeted genes. The diagnostic performance of target genes was assessed by the receiver operating characteristic (ROC) curve and area under the curve (AUC). RESULTS There was a positive causal association between hyperthyroidism and OA (IVW result, OR = 1.330, 95% CI 1.136-1.557, P = 0.0004). Weighted median and Weighted mode analysis also demonstrated that hyperthyroidism had a positive causal association with OA (p < 0.05, OR > 1). Bioinformatics analysis indicated T3 can partially induce the emergence of late hypertrophic chondrocyte and promote OA through extracellular matrix organization, blood vessel development, skeletal system development and ossification. Post-T3 treatment, MAFB, C1QTNF1, COL3A1 and ANGPTL2 were significantly elevated in C28/I2 cells. ROC curves in GSE114007 showed that AUC of all above genes were ≥ 0.7. CONCLUSIONS This study identified that hyperthyroidism has a positive causal association with OA by MR analysis. T3 induced hypertrophic chondrocytes promote OA progression by upregulating genes such as MAFB, C1QTNF1, COL3A1 and ANGPTL2, which can also serve as OA diagnosis.
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Affiliation(s)
- Chengxin Li
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Zhong Shan 2nd Road, No. 58, Guangzhou, 510080, Guangdong, China
| | - Yucheng Tu
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Zhong Shan 2nd Road, No. 58, Guangzhou, 510080, Guangdong, China
| | - Rong Rong
- Department of Nosocomial Infection, The First Affiliated Hospital, Sun Yat-Sen University, Zhong Shan 2nd Road, No. 58, Guangzhou, 510080, Guangdong, China
| | - Ziji Zhang
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Zhong Shan 2nd Road, No. 58, Guangzhou, 510080, Guangdong, China
| | - Weishen Chen
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Zhong Shan 2nd Road, No. 58, Guangzhou, 510080, Guangdong, China
| | - Lingli Long
- Research Center of Translational Medicine, The First Affiliated Hospital of Sun Yat-Sen University, Zhong Shan 2nd Road, No. 58, Guangzhou, 510080, Guangdong, China
| | - Yangchun Zhang
- Department of Orthopedics, People's Hospital of Shenzhen Baoan District, 118 Longjing 2nd Road, Shenzhen, 518101, Guangdong, China
| | - Chao Wang
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Zhong Shan 2nd Road, No. 58, Guangzhou, 510080, Guangdong, China
| | - Baiqi Pan
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Zhong Shan 2nd Road, No. 58, Guangzhou, 510080, Guangdong, China
| | - Xiaoyu Wu
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Zhong Shan 2nd Road, No. 58, Guangzhou, 510080, Guangdong, China
| | - Mingqiang Guan
- Joint Surgery Center, Foshan Traditional Chinese Medicine Hospital, 6 Qinren Road, Foshan, 528200, Guangdong, China
| | - Bo Yang
- Department of Orthopedics, The First Affiliated Hospital of Shantou University Medical College, 57 Chenghai Road, Shantou, 515041, Guangdong, China
| | - Linli Zheng
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Zhong Shan 2nd Road, No. 58, Guangzhou, 510080, Guangdong, China.
| | - Puyi Sheng
- Department of Joint Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Zhong Shan 2nd Road, No. 58, Guangzhou, 510080, Guangdong, China.
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Ji Z, Shen Y, Chen D, Liu Z, Dai J, Dai B, Deng W. Effect of caffeine intake on self-reported and genetic prediction of osteoarthritis: an epidemiological study and Mendelian randomization analysis. Front Nutr 2024; 11:1405161. [PMID: 39086541 PMCID: PMC11288902 DOI: 10.3389/fnut.2024.1405161] [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: 03/22/2024] [Accepted: 06/11/2024] [Indexed: 08/02/2024] Open
Abstract
Background Osteoarthritis (OA) holds the distinction of being the most widespread musculoskeletal disorder. Any disruptions in the integrity of the articular cartilage can result in joint malfunction, discomfort, and impaired physical functioning. Increasing evidence indicates the negative impacts of caffeine intake on hyaline cartilage. The primary objective of this study was to delve deeper into understanding the potential link between the consumption of caffeine and the risk of developing OA. Methods In this study, we constructed logistic regression models to evaluate the correlation between caffeine consumption and the risk of osteoarthritis using data from the National Health and Nutrition Examination Survey. Following that, we utilized genome-wide association studies to conduct a Mendelian randomization (MR) analysis investigating the association between coffee consumption and the likelihood of developing knee OA. We employed various statistical methods, including inverse variance weighting (IVW), weighted median, weighted mode, simple mode, and MR-Egger regression, to ensure comprehensive analysis and robust conclusions. To evaluate heterogeneity and the potential impact of pleiotropy, we conducted several statistical tests, including Cochran's Q test, MR-Egger intercept test, MR Pleiotropy RESidual Sum and Outlier test (MR-PRESSO), and MR Steiger test. Results The weighted multivariate logistic regression analysis showed that the relationship between high caffeine intake (95-206 and ≥206 mg/day) and OA prevalence remained significantly high even after adjusting for covariates using the lowest caffeine intake (< 11 mg/day) as reference: Model 1-OR (95% Cl) = 1.365 (1.18-1.58) and 1.59 (1.38-1.83); Model 2-OR (95% Cl) = 1.21 (1.04-1.42) and 1.44 (1.23-1.68); and Model 3-OR (95% Cl) = 1.19 (1.01-1.40) and 1.30 (1.10-1.52), respectively (p < 0.05). The findings from the fixed effects inverse variance weighted (IVW) analysis revealed a statistically significant link between coffee intake and the likelihood of developing knee osteoarthritis: OR = 1.94; 95% confidence interval (Cl) =1.471-2.517; (p < 0.001). Consistent findings were obtained across various other methods, including MR-Egger regression, weighted median, weighted mode, and simple mode analyses. Conclusion Our study showed a positive correlation between OA prevalence and high caffeine intake (≥95 mg/day).
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Affiliation(s)
| | | | | | | | | | - Bin Dai
- Department of Orthopedic Surgery, Binhai County People's Hospital, Yancheng, China
| | - Wei Deng
- Department of Orthopedic Surgery, Binhai County People's Hospital, Yancheng, China
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Liu Y, Jia F, Li K, Liang C, Lin X, Geng W, Li Y. Critical signaling molecules in the temporomandibular joint osteoarthritis under different magnitudes of mechanical stimulation. Front Pharmacol 2024; 15:1419494. [PMID: 39055494 PMCID: PMC11269110 DOI: 10.3389/fphar.2024.1419494] [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: 04/18/2024] [Accepted: 06/14/2024] [Indexed: 07/27/2024] Open
Abstract
The mechanical stress environment in the temporomandibular joint (TMJ) is constantly changing due to daily mandibular movements. Therefore, TMJ tissues, such as condylar cartilage, the synovial membrane and discs, are influenced by different magnitudes of mechanical stimulation. Moderate mechanical stimulation is beneficial for maintaining homeostasis, whereas abnormal mechanical stimulation leads to degeneration and ultimately contributes to the development of temporomandibular joint osteoarthritis (TMJOA), which involves changes in critical signaling molecules. Under abnormal mechanical stimulation, compensatory molecules may prevent degenerative changes while decompensatory molecules aggravate. In this review, we summarize the critical signaling molecules that are stimulated by moderate or abnormal mechanical loading in TMJ tissues, mainly in condylar cartilage. Furthermore, we classify abnormal mechanical stimulation-induced molecules into compensatory or decompensatory molecules. Our aim is to understand the pathophysiological mechanism of TMJ dysfunction more deeply in the ever-changing mechanical environment, and then provide new ideas for discovering effective diagnostic and therapeutic targets in TMJOA.
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Affiliation(s)
| | | | | | | | | | - Wei Geng
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
| | - Yanxi Li
- Department of Dental Implant Center, Beijing Stomatological Hospital, School of Stomatology, Capital Medical University, Beijing, China
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Dönges L, Damle A, Mainardi A, Bock T, Schönenberger M, Martin I, Barbero A. Engineered human osteoarthritic cartilage organoids. Biomaterials 2024; 308:122549. [PMID: 38554643 DOI: 10.1016/j.biomaterials.2024.122549] [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: 10/06/2023] [Revised: 03/18/2024] [Accepted: 03/21/2024] [Indexed: 04/02/2024]
Abstract
The availability of human cell-based models capturing molecular processes of cartilage degeneration can facilitate development of disease-modifying therapies for osteoarthritis [1], a currently unmet clinical need. Here, by imposing specific inflammatory challenges upon mesenchymal stromal cells at a defined stage of chondrogenesis, we engineered a human organotypic model which recapitulates main OA pathological traits such as chondrocyte hypertrophy, cartilage matrix mineralization, enhanced catabolism and mechanical stiffening. To exemplify the utility of the model, we exposed the engineered OA cartilage organoids to factors known to attenuate pathological features, including IL-1Ra, and carried out mass spectrometry-based proteomics. We identified that IL-1Ra strongly reduced production of the transcription factor CCAAT/enhancer-binding protein beta [2] and demonstrated that inhibition of the C/EBPβ-activating kinases could revert the degradative processes. Human OA cartilage organoids thus represent a relevant tool towards the discovery of new molecular drivers of cartilage degeneration and the assessment of therapeutics targeting associated pathways.
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Affiliation(s)
- Laura Dönges
- Department of Biomedicine, University Hospital Basel, University of Basel, 4031, Basel, Switzerland
| | - Atharva Damle
- Department of Biomedicine, University Hospital Basel, University of Basel, 4031, Basel, Switzerland
| | - Andrea Mainardi
- Department of Biomedicine, University Hospital Basel, University of Basel, 4031, Basel, Switzerland
| | - Thomas Bock
- Proteomics Core Facility, Biozentrum University of Basel, 4056, Basel, Switzerland
| | - Monica Schönenberger
- Nano Imaging Lab, Swiss Nanoscience Institute, University of Basel, 4056, Basel, Switzerland
| | - Ivan Martin
- Department of Biomedicine, University Hospital Basel, University of Basel, 4031, Basel, Switzerland.
| | - Andrea Barbero
- Department of Biomedicine, University Hospital Basel, University of Basel, 4031, Basel, Switzerland
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Huang J, Ren Q, Jiao L, Niu S, Liu C, Zhou J, Wu L, Yang Y. TMF suppresses chondrocyte hypertrophy in osteoarthritic cartilage by mediating the FOXO3a/BMPER pathway. Exp Ther Med 2024; 28:283. [PMID: 38800044 PMCID: PMC11117099 DOI: 10.3892/etm.2024.12571] [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: 11/21/2023] [Accepted: 04/26/2024] [Indexed: 05/29/2024] Open
Abstract
Osteoarthritis (OA) is a disease of the joints, characterized by chronic inflammation, cartilage destruction and extracellular matrix (ECM) remodeling. Aberrant chondrocyte hypertrophy promotes cartilage destruction and OA development. Collagen X, the biomarker of chondrocyte hypertrophy, is upregulated by runt-related transcription factor 2 (Runx2), which is mediated by the bone morphogenetic protein 4 (BMP4)/Smad1 signaling pathway. BMP binding endothelial regulator (BMPER), a secreted glycoprotein, acts as an agonist of BMP4. 5,7,3',4'-tetramethoxyflavone (TMF) is a natural flavonoid derived from Murraya exotica L. Results of our previous study demonstrated that TMF exhibits chondroprotective effects against OA development through the activation of Forkhead box protein O3a (FOXO3a) expression. However, whether TMF suppresses chondrocyte hypertrophy through activation of FOXO3a expression and inhibition of BMPER/BMP4/Smad1 signaling remains unknown. Results of the present study revealed that TMF inhibited collagen X and Runx2 expression, inhibited BMPER/BMP4/Smad1 signaling, and activated FOXO3a expression; thus, protecting against chondrocyte hypertrophy and OA development. However, BMPER overexpression and FOXO3a knockdown impacted the protective effects of TMF. Thus, TMF inhibited chondrocyte hypertrophy in OA cartilage through mediating the FOXO3a/BMPER signaling pathway.
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Affiliation(s)
- Jishang Huang
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Qun Ren
- College of Pharmacy, Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Linhui Jiao
- College of Pharmacy, Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Shuo Niu
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Chenghong Liu
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Juan Zhou
- School of Basic Medicine, Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Longhuo Wu
- College of Pharmacy, Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
| | - Yadong Yang
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi 341000, P.R. China
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Wadhwa S, Skelton M, Fernandez E, Paek T, Levit M, Yin MT. Significance of radiographic temporomandibular degenerative joint disease findings. Semin Orthod 2024; 30:277-282. [PMID: 38983798 PMCID: PMC11230652 DOI: 10.1053/j.sodo.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
The field of orthodontics has seen a recent increase in the number of patients over the age of 50 seeking treatment and also an increase in the use of cone beam technology. Similar to other joints in the body, the temporomandibular joint (TMJ) is associated with age-related degeneration. However, unlike other joints, degeneration of the TMJ is rarely symptomatic and when there is pain, it is usually self-limiting. In this article, we will review: a) the incidence and prevalence of TMJ degenerative diseases, b) similarities and differences of TMJ vs knee degenerative diseases, and c) current treatment recommendations for TMJ degenerative diseases. In the vast majority of people, radiographic evidence of TMJ degeneration is an incidental finding. Future longitudinal research is needed to follow the natural course of TMJ degenerative patients.
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Affiliation(s)
- Sunil Wadhwa
- Columbia University College of Dental Medicine, Division of Orthodontics, NYC, NY, USA 10032
| | - Michelle Skelton
- Columbia University College of Dental Medicine, Division of Orthodontics, NYC, NY, USA 10032
| | - Emily Fernandez
- Columbia University College of Dental Medicine, Division of Orthodontics, NYC, NY, USA 10032
| | - Taylor Paek
- Columbia University College of Dental Medicine, Division of Orthodontics, NYC, NY, USA 10032
| | - Michael Levit
- Columbia University College of Dental Medicine, Division of Orthodontics, NYC, NY, USA 10032
| | - Michael T Yin
- Columbia University College of Physicians and Surgeons, Division of Infectious Diseases, NYC, NY, USA 10032
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11
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Kopp W. Aging and "Age-Related" Diseases - What Is the Relation? Aging Dis 2024:AD.2024.0570. [PMID: 39012663 DOI: 10.14336/ad.2024.0570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Accepted: 06/28/2024] [Indexed: 07/17/2024] Open
Abstract
The study explores the intricate relationship between aging and the development of noncommunicable diseases [NCDs], focusing on whether these diseases are inevitable consequences of aging or primarily driven by lifestyle factors. By examining epidemiological data, particularly from hunter-gatherer societies, the study highlights that many NCDs prevalent in modern populations are rare in these societies, suggesting a significant influence of lifestyle choices. It delves into the mechanisms through which poor diet, smoking, and other lifestyle factors contribute to systemic physiological imbalances, characterized by oxidative stress, insulin resistance and hyperinsulinemia, and dysregulation of the sympathetic nervous system, the renin-angiotensin-aldosterone system, and the immune system. The interplay between this pattern and individual factors such as genetic susceptibility, biological variability, epigenetic changes and the microbiome is proposed to play a crucial role in the development of a range of age-related NCDs. Modified biomolecules such as oxysterols and advanced glycation end products also contribute to their development. Specific diseases such as benign prostatic hyperplasia, Parkinson's disease, glaucoma and osteoarthritis are analyzed to illustrate these mechanisms. The study concludes that while aging contributes to the risk of NCDs, lifestyle factors play a crucial role, offering potential avenues for prevention and intervention through healthier living practices. One possible approach could be to try to restore the physiological balance, e.g. through dietary measures [e.g. Mediterranean diet, Okinawan diet or Paleolithic diet] in conjunction with [a combination of] pharmacological interventions and other lifestyle changes.
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12
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Szala D, Kopańska M, Trojniak J, Jabłoński J, Hanf-Osetek D, Snela S, Zawlik I. The Role of MicroRNAs in the Pathophysiology of Osteoarthritis. Int J Mol Sci 2024; 25:6352. [PMID: 38928059 PMCID: PMC11204066 DOI: 10.3390/ijms25126352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 06/04/2024] [Accepted: 06/06/2024] [Indexed: 06/28/2024] Open
Abstract
Worldwide, osteoarthritis (OA) is the most common cause of joint pain in older people. Many factors contribute to osteoarthritis' development and progression, including secondary osteoarthritis' underlying causes. It is important to note that osteoarthritis affects all four tissues: cartilage, bone, joint capsule, and articular apparatus. An increasingly prominent area of research in osteoarthritis regulation is microRNAs (miRNAs), a small, single-stranded RNA molecule that controls gene expression in eukaryotes. We aimed to assess and summarize current knowledge about the mechanisms of the action of miRNAs and their clinical significance. Osteoarthritis (OA) is affected by the interaction between miRNAs and inflammatory processes, as well as cartilage metabolism. MiRNAs also influence cartilage cell apoptosis, contributing to the degradation of the cartilage in OA. Studies have shown that miRNAs may have both an inhibitory and promoting effect on osteoporosis progression through their influence on molecular mechanisms. By identifying these regulators, targeted treatments for osteoarthritis may be developed. In addition, microRNA may also serve as a biomarker for osteoarthritis. By using these biomarkers, the disease could be detected faster, and early intervention can be instituted to prevent mobility loss and slow deterioration.
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Affiliation(s)
| | - Marta Kopańska
- Department of Pathophysiology, Institute of Medical Sciences, Medical College of Rzeszow University, 35-959 Rzeszow, Poland
| | - Julia Trojniak
- Student Research Club “Reh-Tech”, Medical College of Rzeszow University, 35-959 Rzeszow, Poland;
| | - Jarosław Jabłoński
- Faculty of Orthopaedic and Reumatology, Institute of Medical Sciences, Collegium Medicum, University of Rzeszow, 35-959 Rzeszow, Poland; (J.J.); (D.H.-O.); (S.S.)
- Orthopaedics and Traumatology Clinic, Clinical Hospital No. 2, 35-301 Rzeszow, Poland
| | - Dorota Hanf-Osetek
- Faculty of Orthopaedic and Reumatology, Institute of Medical Sciences, Collegium Medicum, University of Rzeszow, 35-959 Rzeszow, Poland; (J.J.); (D.H.-O.); (S.S.)
- Orthopaedics and Traumatology Clinic, Clinical Hospital No. 2, 35-301 Rzeszow, Poland
| | - Sławomir Snela
- Faculty of Orthopaedic and Reumatology, Institute of Medical Sciences, Collegium Medicum, University of Rzeszow, 35-959 Rzeszow, Poland; (J.J.); (D.H.-O.); (S.S.)
- Orthopaedics and Traumatology Clinic, Clinical Hospital No. 2, 35-301 Rzeszow, Poland
| | - Izabela Zawlik
- Department of General Genetics, Institute of Medical Sciences, Medical College of Rzeszow University, Kopisto 2a, 35-959 Rzeszow, Poland;
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13
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Han T, Zhu T, Lu Y, Wang Q, Bian H, Chen J, Qiao L, He TC, Zheng Q. Collagen type X expression and chondrocyte hypertrophic differentiation during OA and OS development. Am J Cancer Res 2024; 14:1784-1801. [PMID: 38726262 PMCID: PMC11076255 DOI: 10.62347/jwgw7377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 03/15/2024] [Indexed: 05/12/2024] Open
Abstract
Chondrocyte hypertrophy and the expression of its specific marker, the collagen type X gene (COL10A1), constitute key terminal differentiation stages during endochondral ossification in long bone development. Mutations in the COL10A1 gene are known to cause schmid type metaphyseal chondrodysplasia (SMCD) and spondyloepiphyseal dyschondrodysplasia (SMD). Moreover, abnormal COL10A1 expression and aberrant chondrocyte hypertrophy are strongly correlated with skeletal diseases, notably osteoarthritis (OA) and osteosarcoma (OS). Throughout the progression of OA, articular chondrocytes undergo substantial changes in gene expression and phenotype, including a transition to a hypertrophic-like state characterized by the expression of collagen type X, matrix metalloproteinase-13, and alkaline phosphatase. This state is similar to the process of endochondral ossification during cartilage development. OS, the most common pediatric bone cancer, exhibits characteristics of abnormal bone formation alongside the presence of tumor tissue containing cartilaginous components. This observation suggests a potential role for chondrogenesis in the development of OS. A deeper understanding of the shifts in collagen X expression and chondrocyte hypertrophy phenotypes in OA or OS may offer novel insights into their pathogenesis, thereby paving the way for potential therapeutic interventions. This review systematically summarizes the findings from multiple OA models (e.g., transgenic, surgically-induced, mechanically-loaded, and chemically-induced OA models), with a particular focus on their chondrogenic and/or hypertrophic phenotypes and possible signaling pathways. The OS phenotypes and pathogenesis in relation to chondrogenesis, collagen X expression, chondrocyte (hypertrophic) differentiation, and their regulatory mechanisms were also discussed. Together, this review provides novel insights into OA and OS therapeutics, possibly by intervening the process of abnormal endochondral-like pathway with altered collagen type X expression.
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Affiliation(s)
- Tiaotiao Han
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
| | - Tianxiang Zhu
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
| | - Yaojuan Lu
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
- Shenzhen Walgenron Bio-Pharm Co., Ltd.Shenzhen 518118, Guangdong, China
| | - Qian Wang
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
- Department of Human Anatomy, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
| | - Huiqin Bian
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
| | - Jinnan Chen
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
| | - Longwei Qiao
- The Affiliated Suzhou Hospital of Nanjing Medical UniversitySuzhou 215000, Jiangsu, China
| | - Tong-Chuan He
- The Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
| | - Qiping Zheng
- Department of Hematological Laboratory Science, Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, School of Medicine, Jiangsu UniversityZhenjiang 212013, Jiangsu, China
- Shenzhen Walgenron Bio-Pharm Co., Ltd.Shenzhen 518118, Guangdong, China
- The Molecular Oncology Laboratory, Department of Orthopaedic Surgery and Rehabilitation Medicine, The University of Chicago Medical CenterChicago, IL 60637, USA
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14
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Morfin C, Sebastian A, Wilson SP, Amiri B, Murugesh DK, Hum NR, Christiansen BA, Loots GG. Mef2c regulates bone mass through Sost-dependent and -independent mechanisms. Bone 2024; 179:116976. [PMID: 38042445 DOI: 10.1016/j.bone.2023.116976] [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: 05/31/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 12/04/2023]
Abstract
Mef2c is a transcription factor that mediates key cellular behaviors that promote endochondral ossification and bone formation. Previously, Mef2c has been shown to regulate Sost transcription via its osteocyte-specific enhancer, ECR5, and conditional deletions of Mef2cfl/fl with either Col1-Cre or Dmp1-Cre produced generalized high bone mass (HBM) consistent with Van Buchem Disease phenotypes. However, Sost-/-; Mef2cfl/fl; Dmp1-Cre mice produced a significantly higher bone mass phenotype that Sost-/- alone suggesting that Mef2c modulates bone mass through additional mechanisms, independent of Sost. To identify new Mef2c transcriptional targets important in bone metabolism, we profiled gene expression by single-cell RNA sequencing in subpopulations of cells isolated from Mef2cfl/fl; Dmp1-Cre and Mef2cfl/fl; Bglap-Cre femurs, both strains exhibiting similar high bone mass phenotypes. However, we found Mef2cfl/fl; Bglap-Cre to also display a growth plate defect characterized by an expansion of several osteoprogenitor subpopulations. Differential gene expression analysis identified a total of 96 up- and 2434 down- regulated genes in Mef2cfl/fl; Bglap-Cre and 176 up- and 1041 down- regulated genes in Mef2cfl/fl; Dmp1-Cre bone cell subpopulations compared to wildtype mice. Mef2c deletion affected the transcriptomes across several cell types including mesenchymal progenitors (MP), osteoprogenitors (OSP), osteoblast (OB), and osteocyte (OCY) subpopulations. Several energy metabolism genes such as Uqcrb, Ndufv2, Ndufs3, Ndufa13, Ndufb9, Ndufb5, Cox6a1, Cox5a, Atp5o, Atp5g2, Atp5b, Atp5 were significantly down regulated in Mef2c-deficient OBs and OCYs, in both strains. Binding motif analysis of promoter regions of differentially expressed genes identified Mef2c binding in Bone Sialoprotein (BSP/Ibsp), a gene known to cause increased trabecular BV/TV in the femurs of Ibsp-/- mice. Immunohistochemical analysis confirmed the absence of Ibsp protein in OBs and OCYs. These findings suggests that the HBM in Sost-/-; Mef2cfl/fl; Dmp1-Cre is caused by a multitude of transcriptional changes in genes that regulate bone formation, two of which are Sost and Ibsp.
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Affiliation(s)
- Cesar Morfin
- School of Natural Sciences, University of California, Merced, CA, United States; Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States; Department of Orthopaedic Surgery, University of California Davis Health, Sacramento, CA, United States
| | - Aimy Sebastian
- Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States
| | - Stephen P Wilson
- Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States
| | - Beheshta Amiri
- Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States
| | - Deepa K Murugesh
- Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States
| | - Nicholas R Hum
- Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States
| | - Blaine A Christiansen
- Department of Orthopaedic Surgery, University of California Davis Health, Sacramento, CA, United States
| | - Gabriela G Loots
- School of Natural Sciences, University of California, Merced, CA, United States; Physical and Life Sciences Directorate, Lawrence Livermore, National Laboratories, Livermore, CA, United States; Department of Orthopaedic Surgery, University of California Davis Health, Sacramento, CA, United States.
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15
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Nguyen JKB, Gómez-Picos P, Liu Y, Ovens K, Eames BF. Common features of cartilage maturation are not conserved in an amphibian model. Dev Dyn 2023; 252:1375-1390. [PMID: 37083105 DOI: 10.1002/dvdy.594] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 03/04/2023] [Accepted: 04/09/2023] [Indexed: 04/22/2023] Open
Abstract
BACKGROUND Mouse, chick, and zebrafish undergo a highly conserved program of cartilage maturation during endochondral ossification (bone formation via a cartilage template). Standard histological and molecular features of cartilage maturation are chondrocyte hypertrophy, downregulation of the chondrogenic markers Sox9 and Col2a1, and upregulation of Col10a1. We tested whether cartilage maturation is conserved in an amphibian, the western clawed frog Xenopus tropicalis, using in situ hybridization for standard markers and a novel laser-capture microdissection RNAseq data set. We also functionally tested whether thyroid hormone drives cartilage maturation in X tropicalis, as it does in other vertebrates. RESULTS The developing frog humerus mostly followed the standard progression of cartilage maturation. Chondrocytes gradually became hypertrophic as col2a1 and sox9 were eventually down-regulated, but col10a1 was not up-regulated. However, the expression levels of several genes associated with the early formation of cartilage, such as acan, sox5, and col9a2, remained highly expressed even as humeral chondrocytes matured. Greater deviances were observed in head cartilages, including the ceratohyal, which underwent hypertrophy within hours of becoming cartilaginous, maintained relatively high levels of col2a1 and sox9, and lacked col10a1 expression. Interestingly, treating frog larvae with thyroid hormone antagonists did not specifically reduce head cartilage hypertrophy, resulting rather in a global developmental delay. CONCLUSION These data reveal that basic cartilage maturation features in the head, and to a lesser extent in the limb, are not conserved in X tropicalis. Future work revealing how frogs deviate from the standard cartilage maturation program might shed light on both evolutionary and health studies.
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Affiliation(s)
- Jason K B Nguyen
- Department of Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Patsy Gómez-Picos
- Department of Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Yiwen Liu
- Department of Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Katie Ovens
- Department of Computer Science, University of Calgary, Calgary, Alberta, Canada
| | - B Frank Eames
- Department of Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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16
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Poudel SB, Ruff RR, Yildirim G, Dixit M, Michot B, Gibbs JL, Ortiz SD, Kopchick JJ, Kirsch T, Yakar S. Excess Growth Hormone Triggers Inflammation-Associated Arthropathy, Subchondral Bone Loss, and Arthralgia. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:829-842. [PMID: 36870529 PMCID: PMC10284029 DOI: 10.1016/j.ajpath.2023.02.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 01/29/2023] [Accepted: 02/10/2023] [Indexed: 03/06/2023]
Abstract
Growth hormone (GH) is a key mediator of skeletal growth. In humans, excess GH secretion due to pituitary adenoma, seen in patients with acromegaly, results in severe arthropathies. This study investigated the effects of long-term excess GH on the knee joint tissues. One year-old wild-type (WT) and bovine GH (bGH) transgenic mice were used as a model for excess GH. bGH mice showed increased sensitivity to mechanical and thermal stimuli, compared with WT mice. Micro-computed tomography analyses of the distal femur subchondral bone revealed significant reductions in trabecular thickness and significantly reduced bone mineral density of the tibial subchondral bone-plate associated with increased osteoclast activity in both male and female bGH compared with WT mice. bGH mice showed severe loss of matrix from the articular cartilage, osteophytosis, synovitis, and ectopic chondrogenesis. Articular cartilage loss in the bGH mice was associated with elevated markers of inflammation and chondrocyte hypertrophy. Finally, hyperplasia of synovial cells was associated with increased expression of Ki-67 and diminished p53 levels in the synovium of bGH mice. Unlike the low-grade inflammation seen in primary osteoarthritis, arthropathy caused by excess GH affects all joint tissues and triggers severe inflammatory response. Data from this study suggest that treatment of acromegalic arthropathy should involve inhibition of ectopic chondrogenesis and chondrocyte hypertrophy.
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Affiliation(s)
- Sher B Poudel
- Department of Molecular Pathobiology, David B. Kriser Dental Center, New York University College of Dentistry, New York, New York
| | - Ryan R Ruff
- Department of Epidemiology and Health Promotion, David B. Kriser Dental Center, New York University College of Dentistry, New York, New York
| | - Gozde Yildirim
- Department of Molecular Pathobiology, David B. Kriser Dental Center, New York University College of Dentistry, New York, New York
| | - Manisha Dixit
- Department of Molecular Pathobiology, David B. Kriser Dental Center, New York University College of Dentistry, New York, New York
| | - Benoit Michot
- Department of Restorative Dentistry and Biomaterials Sciences, Harvard School of Dental Medicine, Boston, Massachusetts
| | - Jennifer L Gibbs
- Department of Restorative Dentistry and Biomaterials Sciences, Harvard School of Dental Medicine, Boston, Massachusetts
| | - Silvana D Ortiz
- Department of Biomedical Sciences, Edison Biotechnology Institute, Ohio University, Athens, Ohio
| | - John J Kopchick
- Department of Biomedical Sciences, Edison Biotechnology Institute, Ohio University, Athens, Ohio
| | - Thorsten Kirsch
- Department of Orthopaedic Surgery, New York University Grossman School of Medicine, New York, New York; Department of Biomedical Engineering, New York University Tandon School of Engineering, New York, New York
| | - Shoshana Yakar
- Department of Molecular Pathobiology, David B. Kriser Dental Center, New York University College of Dentistry, New York, New York.
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17
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Suo J, Shao R, Yang R, Wang J, Zhang Z, Wang D, Niu N, Zheng X, Zou W. Accelerated aging in articular cartilage by ZMPSTE24 deficiency leads to osteoarthritis with impaired metabolic signaling and epigenetic regulation. Cell Death Dis 2023; 14:336. [PMID: 37217512 DOI: 10.1038/s41419-023-05856-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 04/29/2023] [Accepted: 05/05/2023] [Indexed: 05/24/2023]
Abstract
Osteoarthritis (OA) is an age-related degenerative disease without disease-modifying therapy. The lack of aging-induced osteoarthritis models makes the discovery of therapeutic drugs more challenging. The deficiency of ZMPSTE24 could induce Hutchinson-Gilford progeria syndrome (HGPS), a genetic disorder of rapid aging. However, the relationship between HGPS and OA remains unclear. Our results found that the expression of Zmpste24 was decreased in the articular cartilage during the aging process. Zmpste24 knockout mice, Prx1-Cre; Zmpste24fl/fl mice and Col2-CreERT2; Zmpste24fl/fl mice displayed OA phenotype. Loss of Zmpste24 in articular cartilage could exacerbate the occurrence and development of osteoarthritis. Transcriptome sequencing revealed that deletion of Zmpste24 or accumulation of progerin affects chondrocyte metabolism, inhibits cell proliferation and promotes cell senescence. Using this animal model, we elucidate the upregulation of H3K27me3 during chondrocyte senescence and discover the molecular mechanism by which lamin A mutant stabilizes EZH2 expression. The construction of aging-induced osteoarthritis models and the elucidation of the signaling pathways and molecular mechanisms of articular chondrocyte senescence would benefit the discovery and development of new drugs for OA.
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Affiliation(s)
- Jinlong Suo
- Institute of Microsurgery on Extremities and Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China.
| | - Rui Shao
- Institute of Microsurgery on Extremities and Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China
| | - Ruici Yang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Sciences, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 200031, Shanghai, China
| | - Jinghui Wang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Sciences, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 200031, Shanghai, China
| | - Zhong Zhang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Sciences, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 200031, Shanghai, China
| | - Duo Wang
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Sciences, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 200031, Shanghai, China
| | - Ningning Niu
- State Key Laboratory of Oncogenes and Related Genes, Stem Cell Research Center, Ren Ji Hospital, School of Medicine, Shanghai Cancer Institute, Shanghai Jiao Tong University, 200127, Shanghai, China.
| | - Xianyou Zheng
- Institute of Microsurgery on Extremities and Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China.
| | - Weiguo Zou
- Institute of Microsurgery on Extremities and Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 200233, Shanghai, China.
- State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Sciences, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, 200031, Shanghai, China.
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18
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Scalzone A, Cerqueni G, Wang XN, Dalgarno K, Mattioli-Belmonte M, Ferreira-Duarte AM, Gentile P. A cytokine-induced spheroid-based in vitro model for studying osteoarthritis pathogenesis. Front Bioeng Biotechnol 2023; 11:1167623. [PMID: 37229489 PMCID: PMC10203413 DOI: 10.3389/fbioe.2023.1167623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 04/27/2023] [Indexed: 05/27/2023] Open
Abstract
Given the lack of in vitro models faithfully reproducing the osteoarthritis (OA) disease on-set, this work aimed at manufacturing a reliable and predictive in vitro cytokine-based Articular Cartilage (AC) model to study OA progression. Cell spheroids of primary human fetal chondrocytes (FCs) and h-TERT mesenchymal stem cells differentiated chondrocytes (Y201-C) were analysed in terms of growth kinetics, cells proliferation and apoptosis over 10 days of culture, in healthy condition or in presence of cytokines (interleukin-1ß, -6 and TNF-α). Then, the spheroids were assembled into chondrospheres using a bottom-up strategy, to obtain an in vitro cytokines-induced OA model. The resulting chondrospheres were evaluated for gene expression and anabolic ECM proteins. Compared to the healthy environment, the simulated OA environment induced chondrocyte hyperproliferation and apoptotic pathway, decreased expression of anabolic ECM proteins, and diminished biosynthetic activity, resembling features of early-stage OA. These characteristics were observed for both Y201-C and HC at high and low concentrations of cytokines. Both HC and Y201-C demonstrated the suitability for the manufacturing of a scaffold-free in vitro OA model to facilitate studies into OA pathogenesis and therapeutic strategies. Our approach provides a faithful reproduction of early-stage osteoarthritis, demonstrating the ability of obtaining different disease severity by tuning the concentration of OA-related cytokines. Given the advantages in easy access and more reproducible performance, Y201-C may represent a more favourable source of chondrocytes for establishing more standardized protocols to obtain OA models.
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Affiliation(s)
- Annachiara Scalzone
- School of Engineering, Newcastle University, Newcastle UponTyne, United Kingdom
- Center for Advanced Biomaterials for Healthcare@CRIB Istituto Italiano di Tecnologia, Napoli, Italy
| | - Giorgia Cerqueni
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Ancona, Italy
| | - Xiao Nong Wang
- Translational and Clinical Research Institute, Newcastle University, Newcastle UponTyne, United Kingdom
| | - Kenny Dalgarno
- School of Engineering, Newcastle University, Newcastle UponTyne, United Kingdom
| | - Monica Mattioli-Belmonte
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Ancona, Italy
| | | | - Piergiorgio Gentile
- School of Engineering, Newcastle University, Newcastle UponTyne, United Kingdom
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19
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Ji E, Leijsten L, Witte-Bouma J, Rouchon A, Di Maggio N, Banfi A, van Osch GJVM, Farrell E, Lolli A. In Vitro Mineralisation of Tissue-Engineered Cartilage Reduces Endothelial Cell Migration, Proliferation and Tube Formation. Cells 2023; 12:cells12081202. [PMID: 37190110 DOI: 10.3390/cells12081202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/14/2023] [Accepted: 04/18/2023] [Indexed: 05/17/2023] Open
Abstract
Tissue engineering bone via endochondral ossification requires the generation of a cartilage template which undergoes vascularisation and remodelling. While this is a promising route for bone repair, achieving effective cartilage vascularisation remains a challenge. Here, we investigated how mineralisation of tissue-engineered cartilage affects its pro-angiogenic potential. To generate in vitro mineralised cartilage, human mesenchymal stromal cell (hMSC)-derived chondrogenic pellets were treated with β-glycerophosphate (BGP). After optimising this approach, we characterised the changes in matrix components and pro-angiogenic factors by gene expression analysis, histology and ELISA. Human umbilical vein endothelial cells (HUVECs) were exposed to pellet-derived conditioned media, and migration, proliferation and tube formation were assessed. We established a reliable strategy to induce in vitro cartilage mineralisation, whereby hMSC pellets are chondrogenically primed with TGF-β for 2 weeks and BGP is added from week 2 of culture. Cartilage mineralisation determines loss of glycosaminoglycans, reduced expression but not protein abundance of collagen II and X, and decreased VEGFA production. Finally, the conditioned medium from mineralised pellets showed a reduced ability to stimulate endothelial cell migration, proliferation and tube formation. The pro-angiogenic potential of transient cartilage is thus stage-dependent, and this aspect must be carefully considered in the design of bone tissue engineering strategies.
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Affiliation(s)
- Encheng Ji
- Department of Oral and Maxillofacial Surgery, Erasmus MC University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Lieke Leijsten
- Department of Oral and Maxillofacial Surgery, Erasmus MC University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Janneke Witte-Bouma
- Department of Oral and Maxillofacial Surgery, Erasmus MC University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Adelin Rouchon
- Department of Biomedicine, Basel University Hospital, University of Basel, 4031 Basel, Switzerland
| | - Nunzia Di Maggio
- Department of Biomedicine, Basel University Hospital, University of Basel, 4031 Basel, Switzerland
| | - Andrea Banfi
- Department of Biomedicine, Basel University Hospital, University of Basel, 4031 Basel, Switzerland
| | - Gerjo J V M van Osch
- Department of Orthopaedics and Sports Medicine, Erasmus MC University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
- Department of Otorhinolaryngology, Erasmus MC University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
- Department of Biomechanical Engineering, University of Technology Delft, 2628 CD Delft, The Netherlands
| | - Eric Farrell
- Department of Oral and Maxillofacial Surgery, Erasmus MC University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
| | - Andrea Lolli
- Department of Oral and Maxillofacial Surgery, Erasmus MC University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands
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20
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Rahman MM, Watton PN, Neu CP, Pierce DM. A chemo-mechano-biological modeling framework for cartilage evolving in health, disease, injury, and treatment. COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE 2023; 231:107419. [PMID: 36842346 DOI: 10.1016/j.cmpb.2023.107419] [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: 10/31/2022] [Revised: 02/08/2023] [Accepted: 02/10/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND AND OBJECTIVE Osteoarthritis (OA) is a pervasive and debilitating disease, wherein degeneration of cartilage features prominently. Despite extensive research, we do not yet understand the cause or progression of OA. Studies show biochemical, mechanical, and biological factors affect cartilage health. Mechanical loads influence synthesis of biochemical constituents which build and/or break down cartilage, and which in turn affect mechanical loads. OA-associated biochemical profiles activate cellular activity that disrupts homeostasis. To understand the complex interplay among mechanical stimuli, biochemical signaling, and cartilage function requires integrating vast research on experimental mechanics and mechanobiology-a task approachable only with computational models. At present, mechanical models of cartilage generally lack chemo-biological effects, and biochemical models lack coupled mechanics, let alone interactions over time. METHODS We establish a first-of-its kind virtual cartilage: a modeling framework that considers time-dependent, chemo-mechano-biologically induced turnover of key constituents resulting from biochemical, mechanical, and/or biological activity. We include the "minimally essential" yet complex chemical and mechanobiological mechanisms. Our 3-D framework integrates a constitutive model for the mechanics of cartilage with a novel model of homeostatic adaptation by chondrocytes to pathological mechanical stimuli, and a new application of anisotropic growth (loss) to simulate degradation clinically observed as cartilage thinning. RESULTS Using a single set of representative parameters, our simulations of immobilizing and overloading successfully captured loss of cartilage quantified experimentally. Simulations of immobilizing, overloading, and injuring cartilage predicted dose-dependent recovery of cartilage when treated with suramin, a proposed therapeutic for OA. The modeling framework prompted us to add growth factors to the suramin treatment, which predicted even better recovery. CONCLUSIONS Our flexible framework is a first step toward computational investigations of how cartilage and chondrocytes mechanically and biochemically evolve in degeneration of OA and respond to pharmacological therapies. Our framework will enable future studies to link physical activity and resulting mechanical stimuli to progression of OA and loss of cartilage function, facilitating new fundamental understanding of the complex progression of OA and elucidating new perspectives on causes, treatments, and possible preventions.
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Affiliation(s)
| | - Paul N Watton
- Department of Computer Science & Insigneo Institute for in silico Medicine, University of Sheffield, Sheffield, UK; Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, PA, USA
| | - Corey P Neu
- Paul M. Rady Department of Mechanical Engineering, University of Colorado, Boulder, CO, USA
| | - David M Pierce
- Department of Mechanical Engineering, University of Connecticut, Storrs, CT, USA; Department of Biomedical Engineering, University of Connecticut, Storrs, CT, USA.
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21
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Mohan S, Pourteymoor S, Kesavan C. WNT16 Regulation of the Articular Chondrocyte Phenotype in Mice. Life (Basel) 2023; 13:878. [PMID: 37109407 PMCID: PMC10145094 DOI: 10.3390/life13040878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/07/2023] [Accepted: 03/21/2023] [Indexed: 03/29/2023] Open
Abstract
The anabolic effects of WNT16 on osteoblasts are well established, however, little is known regarding the role of WNT16 in chondrocytes. In this study, we evaluated Wnt16 expression and its biological effects on mouse articular chondrocytes (ACs), since these cells are key to the development of osteoarthritis. While ACs derived from the long bone epiphysis of 7-day old C57BL/6J mice express multiple Wnts, Wnt5b and Wnt16 represent the two most highly expressed Wnts (expressed at several-fold higher levels than other Wnts). Treatment of serum-free AC cultures, with 100 ng/mL of recombinant human (rh) WNT16 for 24 h (hrs), increased proliferation (20%, p < 0.05) and expression levels of makers (Sox9 and Col2) of immature chondrocytes at both 24 h and 72 h, while Acan increased at 72 h. Expression of Mmp9, a marker of mature chondrocytes was decreased at 24 h. Additionally, WNT16 treatment regulated expression levels of Wnt ligands in a biphasic manner, inhibiting its expression at 24 h, while stimulating expression at 72 h. To determine whether WNT16 exerted anabolic effects on the AC phenotype, ex vivo cultures of tibial epiphyses were treated with rhWNT16 or vehicle for 9 days, and the articular cartilage phenotype was evaluated by safranin O cartilage staining and expression of articular cartilage marker genes. Both articular cartilage area and expression levels of AC markers were increased after rhWNT16 treatment. Our data suggest that Wnt16 expressed in ACs may play a role in regulating joint cartilage homeostasis via its direct effect, as well as through modulating the expression of other Wnt ligands.
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Affiliation(s)
- Subburaman Mohan
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA 92357, USA
- Department of Medicine, Loma Linda University, Loma Linda, CA 92354, USA
- Orthopedic Surgery, Loma Linda University, Loma Linda, CA 92354, USA
| | - Shelia Pourteymoor
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA 92357, USA
| | - Chandrasekhar Kesavan
- Musculoskeletal Disease Center, VA Loma Linda Healthcare System, Loma Linda, CA 92357, USA
- Department of Medicine, Loma Linda University, Loma Linda, CA 92354, USA
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22
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Gu H, Li B, Liu L, Li X, Wang H, Chen L. Stage-, dose-, and course-dependent inhibition of prenatal amoxicillin exposure on fetal articular cartilage development in fetal mice. Toxicol Appl Pharmacol 2023; 463:116429. [PMID: 36796495 DOI: 10.1016/j.taap.2023.116429] [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: 10/13/2022] [Revised: 01/20/2023] [Accepted: 02/12/2023] [Indexed: 02/16/2023]
Abstract
Amoxicillin is widely used in the treatment of infectious diseases during pregnancy; however, the effects of prenatal amoxicillin exposure (PAE) on fetal development remain largely unknown. Therefore, this study aimed to investigate the toxic effects of PAE on fetal cartilage at different stage-, dose-, and course. Pregnant Kunming mice were orally administered 300 mg/kg·d (converted from clinical dose) amoxicillin on gestational days (GD) 10-12 or 16-18 (mid or late pregnancy stage), 150 or 300 mg/kg.d amoxicillin on GD16-18 (different doses), 300 mg/kg·d amoxicillin on GD16 (single course) or 16-18 (multiple courses), respectively. The fetal articular cartilage of the knee was collected on GD18. The number of chondrocytes and the expression of matrix synthesis/degradation, proliferation/apoptosis-related markers, and the TGF-β signaling pathway were detected. The results showed that the number of chondrocytes and the expression of matrix synthesis markers were reduced in male fetal mice treated with PAE (GD16-18, 300 mg/kg.d, single course and multiple courses), whereas the above indices in female mice showed no changes. The inhibited expression of PCNA, increased expression of Caspase-3, and down-regulated expression of the TGF-β signaling pathway were found in male PAE fetal mice. Accordingly, PAE exerted its "toxic effect window" on the knee cartilage development in male fetal mice, which manifested as reduced chondrocyte number and inhibited expression of matrix synthesis at a clinical dose of multiple courses in the late pregnancy stage. This study provides a theoretical and experimental basis for elucidating the risk of chondrodevelopmental toxicity associated with amoxicillin during pregnancy.
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Affiliation(s)
- Hanwen Gu
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Bin Li
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Liang Liu
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Xufeng Li
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Hui Wang
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China.
| | - Liaobin Chen
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China.
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23
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Blagosklonny MV. Cellular senescence: when growth stimulation meets cell cycle arrest. Aging (Albany NY) 2023; 15:905-913. [PMID: 36805938 PMCID: PMC10008486 DOI: 10.18632/aging.204543] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 02/16/2023] [Indexed: 02/21/2023]
Abstract
At the very moment of cell-cycle arrest, the cell is not senescent yet. For several days in cell culture, the arrested cell is acquiring a senescent phenotype. What is happening during this geroconversion? Cellular enlargement (hypertrophy) and hyperfunctions (lysosomal and hyper-secretory) are hallmarks of geroconversion.
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24
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Robert C, Kerff F, Bouillenne F, Gavage M, Vandevenne M, Filée P, Matagne A. Structural analysis of the interaction between human cytokine BMP-2 and the antagonist Noggin reveals molecular details of cell chondrogenesis inhibition. J Biol Chem 2023; 299:102892. [PMID: 36642181 PMCID: PMC9929448 DOI: 10.1016/j.jbc.2023.102892] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 01/14/2023] Open
Abstract
Bone morphogenetic proteins (BMPs) are secreted cytokines belonging to the transforming growth factor-β superfamily. New therapeutic approaches based on BMP activity, particularly for cartilage and bone repair, have sparked considerable interest; however, a lack of understanding of their interaction pathways and the side effects associated with their use as biopharmaceuticals have dampened initial enthusiasm. Here, we used BMP-2 as a model system to gain further insight into both the relationship between structure and function in BMPs and the principles that govern affinity for their cognate antagonist Noggin. We produced BMP-2 and Noggin as inclusion bodies in Escherichia coli and developed simple and efficient protocols for preparing pure and homogeneous (in terms of size distribution) solutions of the native dimeric forms of the two proteins. The identity and integrity of the proteins were confirmed using mass spectrometry. Additionally, several in vitro cell-based assays, including enzymatic measurements, RT-qPCR, and matrix staining, demonstrated their biological activity during cell chondrogenic and hypertrophic differentiation. Furthermore, we characterized the simple 1:1 noncovalent interaction between the two ligands (KDca. 0.4 nM) using bio-layer interferometry and solved the crystal structure of the complex using X-ray diffraction methods. We identified the residues and binding forces involved in the interaction between the two proteins. Finally, results obtained with the BMP-2 N102D mutant suggest that Noggin is remarkably flexible and able to accommodate major structural changes at the BMP-2 level. Altogether, our findings provide insights into BMP-2 activity and reveal the molecular details of its interaction with Noggin.
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Affiliation(s)
- Charly Robert
- Laboratory of Enzymology and Protein Folding, University of Liège, Liège, Belgium,Centre for Protein Engineering, InBioS Research Unit, University of Liège, Liège, Belgium
| | - Frédéric Kerff
- Centre for Protein Engineering, InBioS Research Unit, University of Liège, Liège, Belgium,Biological Macromolecule Crystallography, University of Liège, Liège, Belgium
| | - Fabrice Bouillenne
- Centre for Protein Engineering, InBioS Research Unit, University of Liège, Liège, Belgium
| | - Maxime Gavage
- Analytical Laboratory, CER Groupe, rue du Point du Jour, Marloie, Belgium
| | - Marylène Vandevenne
- Laboratory of Enzymology and Protein Folding, University of Liège, Liège, Belgium,Centre for Protein Engineering, InBioS Research Unit, University of Liège, Liège, Belgium
| | - Patrice Filée
- Laboratory of immuno-biology, CER Groupe, Novalis Science Park, Aye, Belgium
| | - André Matagne
- Laboratory of Enzymology and Protein Folding, University of Liège, Liège, Belgium; Centre for Protein Engineering, InBioS Research Unit, University of Liège, Liège, Belgium.
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25
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Yoon DS, Kim EJ, Cho S, Jung S, Lee KM, Park KH, Lee JW, Kim SH. RUNX2 stabilization by long non-coding RNAs contributes to hypertrophic changes in human chondrocytes. Int J Biol Sci 2023; 19:13-33. [PMID: 36594090 PMCID: PMC9760429 DOI: 10.7150/ijbs.74895] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 10/24/2022] [Indexed: 11/24/2022] Open
Abstract
Background: Chondrocyte hypertrophy has been implicated in endochondral ossification and osteoarthritis (OA). In OA, hypertrophic chondrocytes contribute to the destruction and focal calcification of the joint cartilage. Although studies in this field have remarkably developed the modulation of joint inflammation using gene therapy and regeneration of damaged articular cartilage using cell therapy, studies that can modulate or prevent hypertrophic changes in articular chondrocytes are still lacking. Methods: In vitro hypertrophic differentiation and inflammation assays were conducted using human normal chondrocyte cell lines, TC28a2 cells. Human cartilage tissues and primary articular chondrocytes were obtained from OA patients undergoing total knee arthroplasty. Long non-coding RNAs (lncRNAs), LINC02035 and LOC100130207, were selected through RNA-sequencing analysis using RNAs extracted from TC28a2 cells cultured in hypertrophic medium. The regulatory mechanism was evaluated using western blotting, real-time quantitative polymerase chain reaction, osteocalcin reporter assay, RNA-immunoprecipitation (RNA-IP), RNA-in situ hybridization, and IP. Results: LncRNAs are crucial regulators of various biological processes. In this study, we identified two important lncRNAs, LINC02035 and LOC100130207, which play important roles in hypertrophic changes in normal chondrocytes, through RNA sequencing. Interestingly, the expression level of RUNX2, a master regulator of chondrocyte hypertrophy, was regulated at the post-translational level during hypertrophic differentiation of the normal human chondrocyte cell line, TC28a2. RNA-immunoprecipitation proved the potential interaction between RUNX2 protein and both lncRNAs. Knockdown (KD) of LINC02035 or LOC100130207 promoted ubiquitin-mediated proteasomal degradation of RUNX2 and prevented hypertrophic differentiation of normal chondrocyte cell lines, whereas overexpression of both lncRNAs stabilized RUNX2 protein and generated hypertrophic changes. Furthermore, the KD of the two lncRNAs mitigated the destruction of important cartilage matrix proteins, COL2A1 and ACAN, by hypertrophic differentiation or inflammatory conditions. We also confirmed that the phenotypic changes raised by the two lncRNAs could be rescued by modulating RUNX2 expression. In addition, the KD of these two lncRNAs suppressed hypertrophic changes during chondrogenic differentiation of mesenchymal stem cells. Conclusion: Therefore, this study suggests that LINC02035 and LOC100130207 contribute to hypertrophic changes in normal chondrocytes by regulating RUNX2, suggesting that these two novel lncRNAs could be potential therapeutic targets for delaying or preventing OA development, especially for preventing chondrocyte hypertrophy.
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Affiliation(s)
- Dong Suk Yoon
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul 03722, South Korea
| | - Eun-Ji Kim
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul 03722, South Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, South Korea
| | - Sehee Cho
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul 03722, South Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, South Korea
| | - Soyeong Jung
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul 03722, South Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, South Korea
| | - Kyoung-Mi Lee
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul 03722, South Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul 03722, South Korea
| | - Kwang Hwan Park
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul 03722, South Korea
| | - Jin Woo Lee
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul 03722, South Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, South Korea.,Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul 03722, South Korea.,✉ Corresponding authors: Jin Woo Lee, [; Phone: (82-2) 2228-2190 • Fax: (82-2) 363-1139] or Sung-Hwan Kim [; Phone: (82-2) 2019-3415 • Fax: (82-2) 573-5393]
| | - Sung-Hwan Kim
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, Seoul 03722, South Korea.,Arthroscopy and Joint Research Institute, Yonsei University College of Medicine, Seoul 03722, South Korea.,Department of Orthopedic Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, South Korea.,✉ Corresponding authors: Jin Woo Lee, [; Phone: (82-2) 2228-2190 • Fax: (82-2) 363-1139] or Sung-Hwan Kim [; Phone: (82-2) 2019-3415 • Fax: (82-2) 573-5393]
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26
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Li Y, Sun H, Liu X, Hu Z, Jiang H, Guo H, Long X. Transglutaminase 2 inhibitors attenuate osteoarthritic degeneration of TMJ-osteoarthritis by suppressing NF-κB activation. Int Immunopharmacol 2023; 114:109486. [PMID: 36508923 DOI: 10.1016/j.intimp.2022.109486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 10/24/2022] [Accepted: 11/20/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND The temporomandibular joint osteoarthritis (TMJ-OA) is characterized by progressive cartilage degradation, subchondral bone erosion, and chronic pain, leading to articular damage and chewing dysfunction. Studies have shown that interleukin-1β (IL-1β) plays a critical role in the development of TMJ-OA. Transglutaminase 2 (TG2) has been identified as a marker of chondrocyte hypertrophy and IL-1β was able to increase TG2 expression in chondrocytes. Therefore, the aim of this study was to explore the ability of TG2 inhibitors to suppress TMJ-OA progression. METHODS Firstly, toluidine blue staining, cell counting kit-8 assay, immunocytofluorescent staining and western blot were used to investigate the anti-inflammatory effects of TG2 inhibitors in IL-1β-stimulated murine chondrocytes and the underlying mechanisms. Afterwards, micro-CT analysis, histological staining, immunohistochemical and immunohistofluorescent staining were used to evaluate the therapeutic efficacy of TG2 inhibitors in monosodium iodoacetate (MIA)-induced TMJ-OA in rats. RESULTS TG2 inhibitors suppressed the IL-1β-induced upregulation of COX-2, iNOS, MMP-13, and MMP-3 and reversed the IL-1β-induced proteoglycan loss in chondrocytes through inhibiting NF-κB activation. Consistently, the MIA-induced upregulation of MMP-13 and MMP-3, and loss of structural integrity of the articular cartilage and subchondral bone were markedly reversed by TG2 inhibitors via inhibiting NF-κB activation. CONCLUSIONS TG2 inhibitors demonstrated a potent therapeutic efficacy on cartilage and subchondral bone structures of TMJ-OA by reducing inflammation and cartilage degradation through suppressing NF-κB activation.
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Affiliation(s)
- Yanyan Li
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Huifang Sun
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Xin Liu
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Zhihui Hu
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Henghua Jiang
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China
| | - Huilin Guo
- State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) & Key Laboratory of Oral Biomedicine Ministry of Education (KLOBM), School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China; Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China.
| | - Xing Long
- Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China.
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27
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Bernabei I, So A, Busso N, Nasi S. Cartilage calcification in osteoarthritis: mechanisms and clinical relevance. Nat Rev Rheumatol 2023; 19:10-27. [PMID: 36509917 DOI: 10.1038/s41584-022-00875-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/07/2022] [Indexed: 12/14/2022]
Abstract
Pathological calcification of cartilage is a hallmark of osteoarthritis (OA). Calcification can be observed both at the cartilage surface and in its deeper layers. The formation of calcium-containing crystals, typically basic calcium phosphate (BCP) and calcium pyrophosphate dihydrate (CPP) crystals, is an active, highly regulated and complex biological process that is initiated by chondrocytes and modified by genetic factors, dysregulated mitophagy or apoptosis, inflammation and the activation of specific cellular-signalling pathways. The links between OA and BCP deposition are stronger than those observed between OA and CPP deposition. Here, we review the molecular processes involved in cartilage calcification in OA and summarize the effects of calcium crystals on chondrocytes, synovial fibroblasts, macrophages and bone cells. Finally, we highlight therapeutic pathways leading to decreased joint calcification and potential new drugs that could treat not only OA but also other diseases associated with pathological calcification.
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Affiliation(s)
- Ilaria Bernabei
- Service of Rheumatology, Department of Musculoskeletal Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Alexander So
- Service of Rheumatology, Department of Musculoskeletal Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland.
| | - Nathalie Busso
- Service of Rheumatology, Department of Musculoskeletal Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Sonia Nasi
- Service of Rheumatology, Department of Musculoskeletal Medicine, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
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28
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Spiaggia G, Taladriz-Blanco P, Hengsberger S, Septiadi D, Geers C, Lee A, Rothen-Rutishauser B, Petri-Fink A. A Near-Infrared Mechanically Switchable Elastomeric Film as a Dynamic Cell Culture Substrate. Biomedicines 2022; 11:biomedicines11010030. [PMID: 36672538 PMCID: PMC9855853 DOI: 10.3390/biomedicines11010030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/09/2022] [Accepted: 12/17/2022] [Indexed: 12/25/2022] Open
Abstract
Commercial static cell culture substrates can usually not change their physical properties over time, resulting in a limited representation of the variation in biomechanical cues in vivo. To overcome this limitation, approaches incorporating gold nanoparticles to act as transducers to external stimuli have been employed. In this work, gold nanorods were embedded in an elastomeric matrix and used as photothermal transducers to fabricate biocompatible light-responsive substrates. The nanocomposite films analysed by lock-in thermography and nanoindentation show a homogeneous heat distribution and a greater stiffness when irradiated with NIR light. After irradiation, the initial stiffness values were recovered. In vitro experiments performed during NIR irradiation with NIH-3T3 fibroblasts demonstrated that these films were biocompatible and cells remained viable. Cells cultured on the light stiffened nanocomposite exhibited a greater proliferation rate and stronger focal adhesion clustering, indicating increased cell-surface binding strength.
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Affiliation(s)
- Giovanni Spiaggia
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Patricia Taladriz-Blanco
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
- International Iberian Nanotechnology Laboratory (INL), Water Quality Group, Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal
- Correspondence: (P.T.-B.); (A.P.-F.)
| | - Stefan Hengsberger
- School of Engineering and Architecture (HEIA-FR), HES-SO, University of Applied Science and Arts in Western Switzerland, Boulevard de Pérolles 80, 1700 Fribourg, Switzerland
| | - Dedy Septiadi
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Christoph Geers
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Aaron Lee
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | | | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, 1700 Fribourg, Switzerland
- Correspondence: (P.T.-B.); (A.P.-F.)
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29
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Chondrocyte Hypertrophy in Osteoarthritis: Mechanistic Studies and Models for the Identification of New Therapeutic Strategies. Cells 2022; 11:cells11244034. [PMID: 36552796 PMCID: PMC9777397 DOI: 10.3390/cells11244034] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 12/08/2022] [Indexed: 12/16/2022] Open
Abstract
Articular cartilage shows limited self-healing ability owing to its low cellularity and avascularity. Untreated cartilage defects display an increased propensity to degenerate, leading to osteoarthritis (OA). During OA progression, articular chondrocytes are subjected to significant alterations in gene expression and phenotype, including a shift towards a hypertrophic-like state (with the expression of collagen type X, matrix metalloproteinases-13, and alkaline phosphatase) analogous to what eventuates during endochondral ossification. Present OA management strategies focus, however, exclusively on cartilage inflammation and degradation. A better understanding of the hypertrophic chondrocyte phenotype in OA might give new insights into its pathogenesis, suggesting potential disease-modifying therapeutic approaches. Recent developments in the field of cellular/molecular biology and tissue engineering proceeded in the direction of contrasting the onset of this hypertrophic phenotype, but knowledge gaps in the cause-effect of these processes are still present. In this review we will highlight the possible advantages and drawbacks of using this approach as a therapeutic strategy while focusing on the experimental models necessary for a better understanding of the phenomenon. Specifically, we will discuss in brief the cellular signaling pathways associated with the onset of a hypertrophic phenotype in chondrocytes during the progression of OA and will analyze in depth the advantages and disadvantages of various models that have been used to mimic it. Afterwards, we will present the strategies developed and proposed to impede chondrocyte hypertrophy and cartilage matrix mineralization/calcification. Finally, we will examine the future perspectives of OA therapeutic strategies.
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Ma Z, Li DX, Chee RKW, Kunze M, Mulet-Sierra A, Sommerfeldt M, Westover L, Graf D, Adesida AB. Mechanical Unloading of Engineered Human Meniscus Models Under Simulated Microgravity: A Transcriptomic Study. Sci Data 2022; 9:736. [PMID: 36450785 PMCID: PMC9712603 DOI: 10.1038/s41597-022-01837-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 11/14/2022] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) primarily affects mechanical load-bearing joints, with the knee being the most common. The prevalence, burden and severity of knee osteoarthritis (KOA) are disproportionately higher in females, but hormonal differences alone do not explain the disproportionate incidence of KOA in females. Mechanical unloading by spaceflight microgravity has been implicated in OA development in cartilaginous tissues. However, the mechanisms and sex-dependent differences in OA-like development are not well explored. In this study, engineered meniscus constructs were generated from healthy human meniscus fibrochondrocytes (MFC) seeded onto type I collagen scaffolds and cultured under normal gravity and simulated microgravity conditions. We report the whole-genome sequences of constructs from 4 female and 4 male donors, along with the evaluation of their phenotypic characteristics. The collected data could be used as valuable resources to further explore the mechanism of KOA development in response to mechanical unloading, and to investigate the molecular basis of the observed sex differences in KOA.
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Affiliation(s)
- Zhiyao Ma
- Department of Surgery, Division of Orthopaedic Surgery, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - David Xinzheyang Li
- Department of Surgery, Division of Orthopaedic Surgery, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, T6G 2E1, Canada
- Department of Civil & Environmental Engineering, University of Alberta, Edmonton, AB, Canada
| | - Ryan K W Chee
- Department of Surgery, Division of Orthopaedic Surgery, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - Melanie Kunze
- Department of Surgery, Division of Orthopaedic Surgery, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - Aillette Mulet-Sierra
- Department of Surgery, Division of Orthopaedic Surgery, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - Mark Sommerfeldt
- Department of Surgery, Division of Orthopaedic Surgery, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - Lindsey Westover
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Daniel Graf
- School of Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Adetola B Adesida
- Department of Surgery, Division of Orthopaedic Surgery, Faculty of Medicine & Dentistry, University of Alberta, Edmonton, AB, T6G 2E1, Canada.
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Lim YZ, Wang Y, Estee M, Abidi J, Udaya Kumar M, Hussain SM, Wluka AE, Little CB, Cicuttini FM. Metformin as a potential disease-modifying drug in osteoarthritis: a systematic review of pre-clinical and human studies. Osteoarthritis Cartilage 2022; 30:1434-1442. [PMID: 35597372 DOI: 10.1016/j.joca.2022.05.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 04/30/2022] [Accepted: 05/11/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Osteoarthritis causes significant pain and disability with no approved disease-modifying drugs. We systematically reviewed the evidence from both pre-clinical and human studies for the potential disease-modifying effect of metformin in osteoarthritis. METHODS Ovid Medline, Embase and CINAHL were searched between inception and June 2021 using MeSH terms and key words to identify studies examining the association between metformin use and outcome measures related to osteoarthritis. Two reviewers performed the risk of bias assessment and 3 reviewers extracted data independently. Qualitative evidence synthesis was performed. This systematic review is registered on PROSPERO (CRD42021261052 and CRD42021261060). RESULTS Fifteen (10 pre-clinical and 5 human) studies were included. Most studies (10 pre-clinical and 3 human) assessed the effect of metformin using knee osteoarthritis models. In pre-clinical studies, metformin was assessed for the effect on structural outcomes (n = 10); immunomodulation (n = 5); pain (n = 4); and molecular pathways of its effect in osteoarthritis (n = 7). For human studies, metformin was evaluated for the effect on structural progression (n = 3); pain (n = 1); and immunomodulation (n = 1). Overall, pre-clinical studies consistently showed metformin having a chondroprotective, immunomodulatory and analgesic effect in osteoarthritis, predominantly mediated by adenosine monophosphate-activated protein kinase activation. Evidence from human studies, although limited, was consistent with findings in pre-clinical studies. CONCLUSION We found consistent evidence across pre-clinical and human studies to support a favourable effect of metformin on chondroprotection, immunomodulation and pain reduction in knee osteoarthritis. Further high-quality clinical trials are needed to confirm these findings as metformin could be a novel therapeutic drug for the treatment of osteoarthritis.
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Affiliation(s)
- Y Z Lim
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, 3004, Australia.
| | - Y Wang
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, 3004, Australia.
| | - M Estee
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, 3004, Australia.
| | - J Abidi
- Alfred Hospital, Melbourne, VIC, 3004, Australia.
| | | | - S M Hussain
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, 3004, Australia.
| | - A E Wluka
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, 3004, Australia.
| | - C B Little
- Raymond Purves Bone and Joint Research Laboratories, Kolling Institute, The University of Sydney Faculty of Medicine and Health, St Leonards, NSW, Australia.
| | - F M Cicuttini
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, 3004, Australia.
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Evans LAE, Pitsillides AA. Structural clues to articular calcified cartilage function: A descriptive review of this crucial interface tissue. J Anat 2022; 241:875-895. [PMID: 35866709 PMCID: PMC9482704 DOI: 10.1111/joa.13728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 06/26/2022] [Accepted: 06/30/2022] [Indexed: 11/26/2022] Open
Abstract
Articular calcified cartilage (ACC) has been dismissed, by some, as a remnant of endochondral ossification without functional relevance to joint articulation or weight-bearing. Recent research indicates that morphologic and metabolic ACC features may be important, reflecting knee joint osteoarthritis (OA) predisposition. ACC is less investigated than neighbouring joint tissues, with its component chondrocytes and mineralised matrix often being either ignored or integrated into analyses of hyaline articular cartilage and subchondral bone tissue respectively. Anatomical variation in ACC is recognised between species, individuals and age groups, but the selective pressures underlying this variation are unknown. Consequently, optimal ACC biomechanical features are also unknown as are any potential locomotory roles. This review collates descriptions of ACC anatomy and biology in health and disease, with a view to revealing its structure/function relationship and highlighting potential future research avenues. Mouse models of healthy and OA joint ageing have shown disparities in ACC load-induced deformations at the knee joint. This raises the hypothesis that ACC response to locomotor forces over time may influence, or even underlie, the bony and hyaline cartilage symptoms characteristic of OA. To effectively investigate the ACC, greater resolution of joint imaging and merging of hierarchical scale data will be required. An appreciation of OA as a 'whole joint disease' is expanding, as is the possibility that the ACC may be a key player in healthy ageing and in the transition to OA joint pathology.
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Affiliation(s)
- Lucinda A. E. Evans
- Department of Comparative Biomedical SciencesRoyal Veterinary College, University of LondonLondonUK
| | - Andrew A. Pitsillides
- Department of Comparative Biomedical SciencesRoyal Veterinary College, University of LondonLondonUK
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Abou-Jaoude A, Courtes M, Badique L, Elhaj Mahmoud D, Abboud C, Mlih M, Justiniano H, Milbach M, Lambert M, Lemle A, Awan S, Terrand J, Niemeier A, Barbero A, Houard X, Boucher P, Matz RL. ShcA promotes chondrocyte hypertrophic commitment and osteoarthritis in mice through RunX2 nuclear translocation and YAP1 inactivation. Osteoarthritis Cartilage 2022; 30:1365-1375. [PMID: 35840017 DOI: 10.1016/j.joca.2022.07.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 06/17/2022] [Accepted: 07/05/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Chondrocyte hypertrophic differentiation, a key process in endochondral ossification, is also a feature of osteoarthritis leading to cartilage destruction. Here we investigated the role of the adaptor protein Src homology and Collagen A (ShcA) in chondrocyte differentiation and osteoarthritis. METHODS Mice ablated for ShcA in osteochondroprogenitor cells were generated by crossing mice carrying the Twist2-Cre transgene with ShcAflox/flox mice. Their phenotype (n = 5 to 14 mice per group) was characterized using histology, immuno-histology and western-blot. To identify the signaling mechanisms involved, in vitro experiments were conducted on wild type and ShcA deficient chondrocytes (isolated from n = 4 to 7 littermates) and the chondroprogenitor cell line ATDC5 (n = 4 independent experiments) using western-blot, cell fractionation and confocal microscopy. RESULTS Deletion of ShcA decreases the hypertrophic zone of the growth plate (median between group difference -11.37% [95% confidence interval -17.34 to -8.654]), alters the endochondral ossification process, and leads to dwarfism (3 months old male mice nose-to-anus length -1.48 cm [-1.860 to -1.190]). ShcA promotes ERK1/2 activation, nuclear translocation of RunX2, the master transcription factor for chondrocyte hypertrophy, while maintaining the Runx2 inhibitor, YAP1, in its cytosolic inactive form. This leads to hypertrophic commitment and expression of markers of hypertrophy, such as Collagen X. In addition, loss of ShcA protects from age-related osteoarthritis development in mice (2 years old mice OARSI score -6.67 [-14.25 to -4.000]). CONCLUSION This study reveals ShcA as a new player in the control of chondrocyte hypertrophic differentiation and its deletion slows down osteoarthritis development.
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Affiliation(s)
- A Abou-Jaoude
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - M Courtes
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - L Badique
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - D Elhaj Mahmoud
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - C Abboud
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - M Mlih
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - H Justiniano
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - M Milbach
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - M Lambert
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - A Lemle
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - S Awan
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - J Terrand
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - A Niemeier
- Department of Biochemistry and Molecular Cell Biology and Department of Orthopaedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
| | - A Barbero
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland.
| | - X Houard
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine (CRSA), F-75012 Paris, France.
| | - P Boucher
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - R L Matz
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
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Humphreys PA, Mancini FE, Ferreira MJS, Woods S, Ogene L, Kimber SJ. Developmental principles informing human pluripotent stem cell differentiation to cartilage and bone. Semin Cell Dev Biol 2022; 127:17-36. [PMID: 34949507 DOI: 10.1016/j.semcdb.2021.11.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 12/14/2022]
Abstract
Human pluripotent stem cells can differentiate into any cell type given appropriate signals and hence have been used to research early human development of many tissues and diseases. Here, we review the major biological factors that regulate cartilage and bone development through the three main routes of neural crest, lateral plate mesoderm and paraxial mesoderm. We examine how these routes have been used in differentiation protocols that replicate skeletal development using human pluripotent stem cells and how these methods have been refined and improved over time. Finally, we discuss how pluripotent stem cells can be employed to understand human skeletal genetic diseases with a developmental origin and phenotype, and how developmental protocols have been applied to gain a better understanding of these conditions.
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Affiliation(s)
- Paul A Humphreys
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK; Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering & Henry Royce Institute, University of Manchester, UK
| | - Fabrizio E Mancini
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK
| | - Miguel J S Ferreira
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK; Department of Mechanical, Aerospace and Civil Engineering, School of Engineering, Faculty of Science and Engineering & Henry Royce Institute, University of Manchester, UK
| | - Steven Woods
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK
| | - Leona Ogene
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK
| | - Susan J Kimber
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, UK
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Katsoula G, Steinberg J, Tuerlings M, Coutinho de Almeida R, Southam L, Swift D, Meulenbelt I, Wilkinson JM, Zeggini E. A molecular map of long non-coding RNA expression, isoform switching and alternative splicing in osteoarthritis. Hum Mol Genet 2022; 31:2090-2105. [PMID: 35088088 PMCID: PMC9239745 DOI: 10.1093/hmg/ddac017] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 11/22/2021] [Accepted: 01/10/2022] [Indexed: 11/30/2022] Open
Abstract
Osteoarthritis is a prevalent joint disease and a major cause of disability worldwide with no curative therapy. Development of disease-modifying therapies requires a better understanding of the molecular mechanisms underpinning disease. A hallmark of osteoarthritis is cartilage degradation. To define molecular events characterizing osteoarthritis at the whole transcriptome level, we performed deep RNA sequencing in paired samples of low- and high-osteoarthritis grade knee cartilage derived from 124 patients undergoing total joint replacement. We detected differential expression between low- and high-osteoarthritis grade articular cartilage for 365 genes and identified a 38-gene signature in osteoarthritis cartilage by replicating our findings in an independent dataset. We also found differential expression for 25 novel long non-coding RNA genes (lncRNAs) and identified potential lncRNA interactions with RNA-binding proteins in osteoarthritis. We assessed alterations in the relative usage of individual gene transcripts and identified differential transcript usage for 82 genes, including ABI3BP, coding for an extracellular matrix protein, AKT1S1, a negative regulator of the mTOR pathway and TPRM4, coding for a transient receptor potential channel. We further assessed genome-wide differential splicing, for the first time in osteoarthritis, and detected differential splicing for 209 genes, which were enriched for extracellular matrix, proteoglycans and integrin surface interactions terms. In the largest study of its kind in osteoarthritis, we find that isoform and splicing changes, in addition to extensive differences in both coding and non-coding sequence expression, are associated with disease and demonstrate a novel layer of genomic complexity to osteoarthritis pathogenesis.
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Affiliation(s)
- Georgia Katsoula
- Technical University of Munich (TUM), School of Medicine, Munich 81675, Germany
- Institute of Translational Genomics, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg 85764, Germany
| | - Julia Steinberg
- Institute of Translational Genomics, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg 85764, Germany
- Daffodil Centre, University of Sydney, a joint venture with Cancer Council NSW, Sydney, NSW 1340, Australia
| | - Margo Tuerlings
- Department of Biomedical Data Sciences, Section Molecular Epidemiology, Leiden University Medical Center, Leiden 2333 ZC, The Netherlands
| | - Rodrigo Coutinho de Almeida
- Department of Biomedical Data Sciences, Section Molecular Epidemiology, Leiden University Medical Center, Leiden 2333 ZC, The Netherlands
| | - Lorraine Southam
- Institute of Translational Genomics, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg 85764, Germany
| | - Diane Swift
- Department of Oncology and Metabolism, University of Sheffield, Metabolic Bone Unit, Sorby Wing Northern General Hospital Sheffield, Sheffield, S5 7AU, UK
| | - Ingrid Meulenbelt
- Department of Biomedical Data Sciences, Section Molecular Epidemiology, Leiden University Medical Center, Leiden 2333 ZC, The Netherlands
| | - J Mark Wilkinson
- Department of Oncology and Metabolism, University of Sheffield, Metabolic Bone Unit, Sorby Wing Northern General Hospital Sheffield, Sheffield, S5 7AU, UK
| | - Eleftheria Zeggini
- Institute of Translational Genomics, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg 85764, Germany
- Technical University of Munich (TUM) and Klinikum Rechts der Isar, TUM School of Medicine, Munich 81675, Germany
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Lyu Z, Da Y, Liu H, Wang Z, Zhu Y, Tian J. Chsy1 deficiency reduces extracellular matrix productions and aggravates cartilage injury in osteoarthritis. Gene X 2022; 827:146466. [PMID: 35390446 DOI: 10.1016/j.gene.2022.146466] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 02/25/2022] [Accepted: 03/31/2022] [Indexed: 11/28/2022] Open
Abstract
Osteoarthritis (OA) is a kind of degenerative joint disease marked by the destruction of articular cartilage due to the degeneration of chondrocytes. CHSY1, one of the glycosyltransferases, is involved in the synthesis of chondroitin sulfate. Herein, we found that the expression of Chsy1 was decreased in the knee cartilage of OA rats. In order to investigate the role of CHSY1 in chondrogenesis and OA, we established a Chsy1 stable knockdown cell line in mouse ATDC5 chondrocytes by lentivirus. It was found that Chsy1 deficiency resulted in a reduction of extracellular matrix production in chondrocytes and a promotion of endochondral osteogenesis, which was indicated by the decreased expression of early chondrocytes genes (Col2a1, Sox9), and the increased expression of cartilage hypertrophy genes (Col10a1, Runx2, Mmp13, Mmp3). The expression trend of these genes is considered to be the characteristic of osteoarthritis. In addition, knockdown of Chsy1 could upregulate BMP signaling in differentiated chondrocytes, whereas Chsy1 overexpression had opposite effects. The reduction of extracellular matrix production and the promotion of endochondral osteogenesis by Chsy1 knockdown could be rescued by BMP signaling inhibitor LDN193189. Furthermore, the abnormally enhanced BMP signaling and the high expression of OA biomarker Mmp3 in primary cells of OA rats could be rescued by either LDN193189 or Chsy1 overexpression. These results implicate a role for Chsy1 in regulating extracellular matrix production and endochondral osteogenesis through BMP signaling; and a lack of Chsy1 could aggravate the cartilage damage of osteoarthritis.
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Affiliation(s)
- Zhaojie Lyu
- Zebrafish Model Research Center for Human Diseases and Drug Screening in Western China, The College of Life Sciences, School of Medicine, Northwest University, Xi'an 710069, China
| | - Yifeng Da
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China
| | - Hongkai Liu
- Zebrafish Model Research Center for Human Diseases and Drug Screening in Western China, The College of Life Sciences, School of Medicine, Northwest University, Xi'an 710069, China
| | - Zhihao Wang
- Zebrafish Model Research Center for Human Diseases and Drug Screening in Western China, The College of Life Sciences, School of Medicine, Northwest University, Xi'an 710069, China
| | - Yong Zhu
- Zebrafish Model Research Center for Human Diseases and Drug Screening in Western China, The College of Life Sciences, School of Medicine, Northwest University, Xi'an 710069, China; The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, China.
| | - Jing Tian
- Zebrafish Model Research Center for Human Diseases and Drug Screening in Western China, The College of Life Sciences, School of Medicine, Northwest University, Xi'an 710069, China.
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Dreier R, Ising T, Ramroth M, Rellmann Y. Estradiol Inhibits ER Stress-Induced Apoptosis in Chondrocytes and Contributes to a Reduced Osteoarthritic Cartilage Degeneration in Female Mice. Front Cell Dev Biol 2022; 10:913118. [PMID: 35669511 PMCID: PMC9163336 DOI: 10.3389/fcell.2022.913118] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 05/03/2022] [Indexed: 01/29/2023] Open
Abstract
Gender differences are a common finding in osteoarthritis (OA). This may result from a differential response of males and females to endoplasmic reticulum (ER) stress in articular chondrocytes. We have previously described that ER stress in cartilage-specific ERp57 KO mice (ERp57 cKO) favors the development of knee OA, since this stress condition cannot be adequately compensated in articular chondrocytes with increasing age leading to the induction of apoptotic cell death and subsequent cartilage degeneration. The aim of this study was to enlighten gender-specific differences in ER stress, apoptosis, and OA development in ERp57 cKO mice. The analyses were extended by in vitro studies on the influence of estradiol in CRISPR/Cas9-generated C28/I2 ERp57 knock out (KO) and WT cells. ER stress was evaluated by immunofluorescence analysis of the ER stress markers calnexin (Cnx) and binding-immunoglobulin protein (BiP), also referred to as glucose-regulating protein 78 (GRP78) in vivo and in vitro. Apoptotic cell death was investigated by a commercially available cell death detection ELISA and TUNEL assay. OA development in mice was analyzed by toluidine blue staining of paraffin-embedded knee cartilage sections and quantified by OARSI-Scoring. Cell culture studies exhibited a reduction of ER stress and ER stress-induced apoptosis in C28/I2 cells in presence of physiological estradiol concentrations. This is consistent with a slower increase in age-related ER stress and a reduced number of apoptotic chondrocytes in female mice compared to male littermates contributing to a reduced osteoarthritic cartilage degeneration in female mice. Taken together, this study demonstrates that the female sex hormone estradiol can reduce ER stress and ER stress-induced apoptosis in articular chondrocytes, thus minimizing critical events favoring osteoarthritic cartilage degeneration. Therefore, the inhibition of ER stress through a modulation of effects induced by female sex hormones appears to be attractive for OA therapy.
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O'Shea DG, Curtin CM, O'Brien FJ. Articulation inspired by nature: a review of biomimetic and biologically active 3D printed scaffolds for cartilage tissue engineering. Biomater Sci 2022; 10:2462-2483. [PMID: 35355029 PMCID: PMC9113059 DOI: 10.1039/d1bm01540k] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 03/17/2022] [Indexed: 11/21/2022]
Abstract
In the human body, articular cartilage facilitates the frictionless movement of synovial joints. However, due to its avascular and aneural nature, it has a limited ability to self-repair when damaged due to injury or wear and tear over time. Current surgical treatment options for cartilage defects often lead to the formation of fibrous, non-durable tissue and thus a new solution is required. Nature is the best innovator and so recent advances in the field of tissue engineering have aimed to recreate the microenvironment of native articular cartilage using biomaterial scaffolds. However, the inability to mirror the complexity of native tissue has hindered the clinical translation of many products thus far. Fortunately, the advent of 3D printing has provided a potential solution. 3D printed scaffolds, fabricated using biomimetic biomaterials, can be designed to mimic the complex zonal architecture and composition of articular cartilage. The bioinks used to fabricate these scaffolds can also be further functionalised with cells and/or bioactive factors or gene therapeutics to mirror the cellular composition of the native tissue. Thus, this review investigates how the architecture and composition of native articular cartilage is inspiring the design of biomimetic bioinks for 3D printing of scaffolds for cartilage repair. Subsequently, we discuss how these 3D printed scaffolds can be further functionalised with cells and bioactive factors, as well as looking at future prospects in this field.
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Affiliation(s)
- Donagh G O'Shea
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, RCSI University of Medicine and Health Sciences, Dublin, Ireland.
- Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | - Caroline M Curtin
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, RCSI University of Medicine and Health Sciences, Dublin, Ireland.
- Trinity Centre for Biomedical Engineering, Trinity College Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | - Fergal J O'Brien
- Tissue Engineering Research Group, Department of Anatomy and Regenerative Medicine, RCSI University of Medicine and Health Sciences, Dublin, Ireland.
- Trinity Centre for Biomedical Engineering, Trinity College Dublin, Ireland
- Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
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Yuan G, Yang S. Effect of Regulator of G Protein Signaling Proteins on Bone. Front Endocrinol (Lausanne) 2022; 13:842421. [PMID: 35573989 PMCID: PMC9098968 DOI: 10.3389/fendo.2022.842421] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 04/01/2022] [Indexed: 01/08/2023] Open
Abstract
Regulator of G protein signaling (RGS) proteins are critical negative molecules of G protein-coupled receptor (GPCR) signaling, which mediates a variety of biological processes in bone homeostasis and diseases. The RGS proteins are divided into nine subfamilies with a conserved RGS domain which plays an important role in regulating the GTPase activity. Mutations of some RGS proteins change bone development and/or metabolism, causing osteopathy. In this review, we summarize the recent findings of RGS proteins in regulating osteoblasts, chondrocytes, and osteoclasts. We also highlight the impacts of RGS on bone development, bone remodeling, and bone-related diseases. Those studies demonstrate that RGS proteins might be potential drug targets for bone diseases.
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Affiliation(s)
- Gongsheng Yuan
- Department of Basic and Translational Sciences, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Shuying Yang
- Department of Basic and Translational Sciences, Penn Dental Medicine, University of Pennsylvania, Philadelphia, PA, United States
- The Penn Center for Musculoskeletal Disorders, Penn Medicine, University of Pennsylvania, Philadelphia, PA, United States
- Center for Innovation and Precision Dentistry, Penn Dental Medicine, School of Engineering and Applied Sciences, University of Pennsylvania, Philadelphia, PA, United States
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Identifying Novel Osteoarthritis-Associated Genes in Human Cartilage Using a Systematic Meta-Analysis and a Multi-Source Integrated Network. Int J Mol Sci 2022; 23:ijms23084395. [PMID: 35457215 PMCID: PMC9030814 DOI: 10.3390/ijms23084395] [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: 03/22/2022] [Revised: 04/12/2022] [Accepted: 04/14/2022] [Indexed: 11/16/2022] Open
Abstract
Osteoarthritis, the most common joint disorder, is characterised by deterioration of the articular cartilage. Many studies have identified potential therapeutic targets, yet no effective treatment has been determined. The aim of this study was to identify and rank osteoarthritis-associated genes and micro-RNAs to prioritise those most integral to the disease. A systematic meta-analysis of differentially expressed mRNA and micro-RNAs in human osteoarthritic cartilage was conducted. Ingenuity pathway analysis identified cellular senescence as an enriched pathway, confirmed by a significant overlap (p < 0.01) with cellular senescence drivers (CellAge Database). A co-expression network was built using genes from the meta-analysis as seed nodes and combined with micro-RNA targets and SNP datasets to construct a multi-source information network. This accumulated and connected 1689 genes which were ranked based on node and edge aggregated scores. These bioinformatic analyses were confirmed at the protein level by mass spectrometry of the different zones of human osteoarthritic cartilage (superficial, middle, and deep) compared to normal controls. This analysis, and subsequent experimental confirmation, revealed five novel osteoarthritis-associated proteins (PPIB, ASS1, LHDB, TPI1, and ARPC4-TTLL3). Focusing future studies on these novel targets may lead to new therapies for osteoarthritis.
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Induction of chondrogenesis with a RANKL-binding peptide, WP9QY, in vitro and in vivo in a rabbit model. Biochem Biophys Res Commun 2022; 602:98-104. [DOI: 10.1016/j.bbrc.2022.03.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/02/2022] [Accepted: 03/02/2022] [Indexed: 11/24/2022]
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Anti-Dlx5 Retards the Progression of Osteoarthritis through Inhibiting Chondrocyte Hypertrophy and Apoptosis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:5019920. [PMID: 35280506 PMCID: PMC8906946 DOI: 10.1155/2022/5019920] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/05/2021] [Accepted: 01/22/2022] [Indexed: 12/02/2022]
Abstract
Osteoarthritis is a common degenerative joint disease that can cause pain and disability in patients. There is still a lack of effective treatments to improve pathological changes of osteoarthritis cartilages and reverse the progression of osteoarthritis. Our study aimed to investigate the role of Dlx5 in papain-induced osteoarthritis. Osteoarthritis was induced through intraarticular injection of papain. The pathological damage of cartilage tissues was analyzed by H&E staining. The apoptosis of cartilage tissues was detected by TUNEL assay. Immunohistochemical staining was performed to detect DLX5 and BMP-2. Western blot was performed to detect the expressions of SP7, caspase-3, and MYC. The results showed that administration of anti-Dlx5 improved pathological changes of osteoarthritis cartilages, characterized by decreased chondrocyte proliferation, chondrocyte hypertrophy, and matrix damage. Anti-Dlx5 treatment decreased the expressions of BMP-2 and SP7, which are positive regulators of chondrocyte hypertrophy. Moreover, MYC and caspase-3, the critical mediators for chondrocyte apoptosis, were both decreased after anti-Dlx5 treatment. In conclusion, anti-Dlx5 retarded the progression of osteoarthritis by downregulating chondrocyte hypertrophy and chondrocyte apoptosis-related genes. Our findings suggests that Dlx5 is a promising target for osteoarthritis treatment.
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Ma Z, Li DX, Kunze M, Mulet-Sierra A, Westover L, Adesida AB. Engineered Human Meniscus in Modeling Sex Differences of Knee Osteoarthritis in Vitro. Front Bioeng Biotechnol 2022; 10:823679. [PMID: 35284415 PMCID: PMC8904202 DOI: 10.3389/fbioe.2022.823679] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 01/21/2022] [Indexed: 12/30/2022] Open
Abstract
Background: Osteoarthritis (OA) primarily affects mechanical load-bearing joints. The knee joint is the most impacted by OA. Knee OA (KOA) occurs in almost all demographic groups, but the prevalence and severity are disproportionately higher in females. The molecular mechanism underlying the pathogenesis and progression of KOA is unknown. The molecular basis of biological sex matters of KOA is not fully understood. Mechanical stimulation plays a vital role in modulating OA-related responses of load-bearing tissues. Mechanical unloading by simulated microgravity (SMG) induced OA-like gene expression in engineered cartilage, while mechanical loading by cyclic hydrostatic pressure (CHP), on the other hand, exerted a pro-chondrogenic effect. This study aimed to evaluate the effects of mechanical loading and unloading via CHP and SMG, respectively, on the OA-related profile changes of engineered meniscus tissues and explore biological sex-related differences.Methods: Tissue-engineered menisci were made from female and male meniscus fibrochondrocytes (MFCs) under static conditions of normal gravity in chondrogenic media and subjected to SMG and CHP culture. Constructs were assayed via histology, immunofluorescence, GAG/DNA assays, RNA sequencing, and testing of mechanical properties.Results: The mRNA expression of ACAN and COL2A1, was upregulated by CHP but downregulated by SMG. COL10A1, a marker for chondrocyte hypertrophy, was downregulated by CHP compared to SMG. Furthermore, CHP increased GAG/DNA levels and wet weight in both female and male donors, but only significantly in females. From the transcriptomics, CHP and SMG significantly modulated genes related to the ossification, regulation of ossification, extracellular matrix, and angiogenesis Gene Ontology (GO) terms. A clear difference in fold-change magnitude and direction was seen between the two treatments for many of the genes. Furthermore, differences in fold-change magnitudes were seen between male and female donors within each treatment. SMG and CHP also significantly modulated genes in OA-related KEGG pathways, such as mineral absorption, Wnt signalling pathway, and HIF-1 signalling pathway.Conclusion: Engineered menisci responded to CHP and SMG in a sex-dependent manner. SMG may induce an OA-like profile, while CHP promotes chondrogenesis. The combination of SMG and CHP could serve as a model to study the early molecular events of KOA and potential drug-targetable pathways.
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Affiliation(s)
- Zhiyao Ma
- Department of Surgery, Divisions of Orthopaedic Surgery, Surgical Research and Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - David Xinzheyang Li
- Department of Surgery, Divisions of Orthopaedic Surgery, Surgical Research and Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB, Canada
| | - Melanie Kunze
- Department of Surgery, Divisions of Orthopaedic Surgery, Surgical Research and Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Aillette Mulet-Sierra
- Department of Surgery, Divisions of Orthopaedic Surgery, Surgical Research and Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
| | - Lindsey Westover
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada
| | - Adetola B. Adesida
- Department of Surgery, Divisions of Orthopaedic Surgery, Surgical Research and Otolaryngology-Head and Neck Surgery, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB, Canada
- *Correspondence: Adetola B. Adesida,
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Microstructural and histomorphological features of osteophytes in late-stage human knee osteoarthritis with varus deformity. Joint Bone Spine 2022; 89:105353. [DOI: 10.1016/j.jbspin.2022.105353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 12/30/2021] [Accepted: 01/18/2022] [Indexed: 11/19/2022]
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Franklin M, Sperry M, Phillips E, Granquist E, Marcolongo M, Winkelstein BA. Painful temporomandibular joint overloading induces structural remodeling in the pericellular matrix of that joint's chondrocytes. J Orthop Res 2022; 40:348-358. [PMID: 33830541 PMCID: PMC8497636 DOI: 10.1002/jor.25050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 03/01/2021] [Accepted: 03/24/2021] [Indexed: 02/04/2023]
Abstract
Mechanical stress to the temporomandibular joint (TMJ) is an important factor in cartilage degeneration, with both clinical and preclinical studies suggesting that repeated TMJ overloading could contribute to pain, inflammation, and/or structural damage in the joint. However, the relationship between pain severity and early signs of cartilage matrix microstructural dysregulation is not understood, limiting the advancement of diagnoses and treatments for temporomandibular joint-osteoarthritis (TMJ-OA). Changes in the pericellular matrix (PCM) surrounding chondrocytes may be early indicators of OA. A rat model of TMJ pain induced by repeated jaw loading (1 h/day for 7 days) was used to compare the extent of PCM modulation for different loading magnitudes with distinct pain profiles (3.5N-persistent pain, 2N-resolving pain, or unloaded controls-no pain) and macrostructural changes previously indicated by Mankin scoring. Expression of PCM structural molecules, collagen VI and aggrecan NITEGE neo-epitope, were evaluated at Day 15 by immunohistochemistry within TMJ fibrocartilage and compared between pain conditions. Pericellular collagen VI levels increased at Day 15 in both the 2N (p = 0.003) and 3.5N (p = 0.042) conditions compared to unloaded controls. PCM width expanded to a similar extent for both loading conditions at Day 15 (2N, p < 0.001; 3.5N, p = 0.002). Neo-epitope expression increased in the 3.5N group over levels in the 2N group (p = 0.041), indicating pericellular changes that were not identified in the same groups by Mankin scoring of the pericellular region. Although remodeling occurs in both pain conditions, the presence of pericellular catabolic neo-epitopes may be involved in the macrostructural changes and behavioral sensitivity observed in persistent TMJ pain.
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Affiliation(s)
- Melissa Franklin
- School of Biomedical Engineering, Science, and Health Systems, Drexel University, Philadelphia, PA, 19104
| | - Megan Sperry
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, 19104,Corresponding Author(s): Megan Sperry, PhD, Wyss Institute at Harvard University, 3 Blackfan Circle, Boston, MA 02115, , 978-387-3763
| | - Evan Phillips
- Department of Materials Science and Engineering, Drexel University, Philadelphia, PA 19104
| | - Eric Granquist
- Oral & Maxillofacial Surgery, University of Pennsylvania, Philadelphia, PA 19104
| | - Michele Marcolongo
- Department of Materials Science and Engineering, Drexel University, Philadelphia, PA 19104
| | - Beth A. Winkelstein
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, 19104
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Liu NQ, Lin Y, Li L, Lu J, Geng D, Zhang J, Jashashvili T, Buser Z, Magallanes J, Tassey J, Shkhyan R, Sarkar A, Lopez N, Lee S, Lee Y, Wang L, Petrigliano FA, Van Handel B, Lyons K, Evseenko D. gp130/STAT3 signaling is required for homeostatic proliferation and anabolism in postnatal growth plate and articular chondrocytes. Commun Biol 2022; 5:64. [PMID: 35039652 PMCID: PMC8763901 DOI: 10.1038/s42003-021-02944-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 12/03/2021] [Indexed: 02/05/2023] Open
Abstract
Growth of long bones and vertebrae is maintained postnatally by a long-lasting pool of progenitor cells. Little is known about the molecular mechanisms that regulate the output and maintenance of the cells that give rise to mature cartilage. Here we demonstrate that postnatal chondrocyte-specific deletion of a transcription factor Stat3 results in severely reduced proliferation coupled with increased hypertrophy, growth plate fusion, stunting and signs of progressive dysfunction of the articular cartilage. This effect is dimorphic, with females more strongly affected than males. Chondrocyte-specific deletion of the IL-6 family cytokine receptor gp130, which activates Stat3, phenocopied Stat3-deletion; deletion of Lifr, one of many co-receptors that signals through gp130, resulted in a milder phenotype. These data define a molecular circuit that regulates chondrogenic cell maintenance and output and reveals a pivotal positive function of IL-6 family cytokines in the skeletal system with direct implications for skeletal development and regeneration.
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Affiliation(s)
- Nancy Q. Liu
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA
| | - Yucheng Lin
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA ,grid.89957.3a0000 0000 9255 8984Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006 China ,grid.263826.b0000 0004 1761 0489Department of Orthopaedic Surgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, Jiangsu 210009 China
| | - Liangliang Li
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA ,grid.89957.3a0000 0000 9255 8984Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006 China ,grid.89957.3a0000 0000 9255 8984Department of Orthopedics, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, Jiangsu 211100 China
| | - Jinxiu Lu
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA
| | - Dawei Geng
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA ,grid.89957.3a0000 0000 9255 8984Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006 China ,grid.89957.3a0000 0000 9255 8984Department of Orthopaedic Surgery, Sir Run Run Hospital, Nanjing Medical University, Nanjing, Jiangsu 211166 China
| | - Jiankang Zhang
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA ,grid.13291.380000 0001 0807 1581State Key Laboratory of Oral Diseases, Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041 China
| | - Tea Jashashvili
- grid.42505.360000 0001 2156 6853Department of Radiology, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA
| | - Zorica Buser
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA
| | - Jenny Magallanes
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA
| | - Jade Tassey
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA
| | - Ruzanna Shkhyan
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA
| | - Arijita Sarkar
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA
| | - Noah Lopez
- grid.19006.3e0000 0000 9632 6718Department of Orthopaedic Surgery, David Geffen School of Medicine, University of California Los Angles (UCLA), Los Angeles, CA USA
| | - Siyoung Lee
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA
| | - Youngjoo Lee
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA
| | - Liming Wang
- grid.89957.3a0000 0000 9255 8984Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu 210006 China ,grid.89957.3a0000 0000 9255 8984Institute of Digital Medicine, Nanjing Medical University, Nanjing, Jiangsu 210006 China
| | - Frank A. Petrigliano
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA ,grid.42505.360000 0001 2156 6853Department of Stem Cell Research and Regenerative Medicine, USC, Los Angeles, CA 90033 USA
| | - Ben Van Handel
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA
| | - Karen Lyons
- grid.19006.3e0000 0000 9632 6718Department of Orthopaedic Surgery, David Geffen School of Medicine, University of California Los Angles (UCLA), Los Angeles, CA USA
| | - Denis Evseenko
- grid.42505.360000 0001 2156 6853Department of Orthopaedic Surgery, Keck School of Medicine of USC, University of Southern California (USC), Los Angeles, CA 90033 USA ,grid.42505.360000 0001 2156 6853Department of Stem Cell Research and Regenerative Medicine, USC, Los Angeles, CA 90033 USA
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Song Z, Li Y, Shang C, Shang G, Kou H, Li J, Chen S, Liu H. Sprifermin: Effects on Cartilage Homeostasis and Therapeutic Prospects in Cartilage-Related Diseases. Front Cell Dev Biol 2022; 9:786546. [PMID: 34970547 PMCID: PMC8712868 DOI: 10.3389/fcell.2021.786546] [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: 09/30/2021] [Accepted: 11/23/2021] [Indexed: 11/15/2022] Open
Abstract
When suffering from osteoarthritis (OA), articular cartilage homeostasis is out of balance and the living quality declines. The treatment of knee OA has always been an unsolved problem in the world. At present, symptomatic treatment is mainly adopted for OA. Drug therapy is mainly used to relieve pain symptoms, but often accompanied with adverse reactions; surgical treatment involves the problem of poor integration between the repaired or transplanted tissues and the natural cartilage, leading to the failure of repair. Biotherapy which aims to promote cartilage in situ regeneration and to restore endochondral homeostasis is expected to be an effective method for the prevention and treatment of OA. Disease-modifying osteoarthritis drugs (DMOADs) are intended for targeted treatment of OA. The DMOADs prevent excessive destruction of articular cartilage through anti-catabolism and stimulate tissue regeneration via excitoanabolic effects. Sprifermin (recombinant human FGF18, rhFGF18) is an effective DMOAD, which can not only promote the proliferation of articular chondrocyte and the synthesis of extracellular matrix, increase the thickness of cartilage in a dose-dependent manner, but also inhibit the activity of proteolytic enzymes and remarkedly slow down the degeneration of cartilage. This paper reviews the unique advantages of Sprifermin in repairing cartilage injury and improving cartilage homeostasis, aiming to provide an important strategy for the effective prevention and treatment of cartilage injury-related diseases.
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Affiliation(s)
- Zongmian Song
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yusheng Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
| | - Chunfeng Shang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Guowei Shang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Hongwei Kou
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jinfeng Li
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Songfeng Chen
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Hongjian Liu
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Zou Z, Luo X, Chen Z, Zhang YS, Wen C. Emerging microfluidics-enabled platforms for osteoarthritis management: from benchtop to bedside. Theranostics 2022; 12:891-909. [PMID: 34976219 PMCID: PMC8692897 DOI: 10.7150/thno.62685] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 11/17/2021] [Indexed: 11/12/2022] Open
Abstract
Osteoarthritis (OA) is a prevalent debilitating age-related joint degenerative disease. It is a leading cause of pain and functional disability in older adults. Unfortunately, there is no cure for OA once the damage is established. Therefore, it promotes an urgent need for early detection and intervention of OA. Theranostics, combining therapy and diagnosis, emerges as a promising approach for OA management. However, OA theranostics is still in its infancy. Three fundamental needs have to be firstly fulfilled: i) a reliable OA model for disease pathogenesis investigation and drug screening, ii) an effective and precise diagnostic platform, and iii) an advanced fabrication approach for drug delivery and therapy. Meanwhile, microfluidics emerges as a versatile technology to address each of the needs and eventually boost the development of OA theranostics. Therefore, this review focuses on the applications of microfluidics, from benchtop to bedside, for OA modelling and drug screening, early diagnosis, and clinical therapy. We first introduce the basic pathophysiology of OA and point out the major unfilled research gaps in current OA management including lack of disease modelling and drug screening platforms, early diagnostic modalities and disease-modifying drugs and delivery approaches. Accordingly, we then summarize the state-of-the-art microfluidics technology for OA management from in vitro modelling and diagnosis to therapy. Given the existing promising results, we further discuss the future development of microfluidic platforms towards clinical translation at the crossroad of engineering and biomedicine.
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Affiliation(s)
- Zhou Zou
- Department of Biomedical Engineering, Faculty of Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China
| | - Xiaohe Luo
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China
| | - Zhengkun Chen
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China
- Currently at Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, Massachusetts 02139, United States
| | - Chunyi Wen
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong, China
- Research Institute of Smart Ageing, The Hong Kong Polytechnic University, Hong Kong, China
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Rellmann Y, Eidhof E, Hansen U, Fleischhauer L, Vogel J, Clausen-Schaumann H, Aszodi A, Dreier R. ER Stress in ERp57 Knockout Knee Joint Chondrocytes Induces Osteoarthritic Cartilage Degradation and Osteophyte Formation. Int J Mol Sci 2021; 23:ijms23010182. [PMID: 35008608 PMCID: PMC8745280 DOI: 10.3390/ijms23010182] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/14/2021] [Accepted: 12/22/2021] [Indexed: 12/14/2022] Open
Abstract
Ageing or obesity are risk factors for protein aggregation in the endoplasmic reticulum (ER) of chondrocytes. This condition is called ER stress and leads to induction of the unfolded protein response (UPR), which, depending on the stress level, restores normal cell function or initiates apoptotic cell death. Here the role of ER stress in knee osteoarthritis (OA) was evaluated. It was first tested in vitro and in vivo whether a knockout (KO) of the protein disulfide isomerase ERp57 in chondrocytes induces sufficient ER stress for such analyses. ER stress in ERp57 KO chondrocytes was confirmed by immunofluorescence, immunohistochemistry, and transmission electron microscopy. Knee joints of wildtype (WT) and cartilage-specific ERp57 KO mice (ERp57 cKO) were analyzed by indentation-type atomic force microscopy (IT-AFM), toluidine blue, and immunofluorescence/-histochemical staining. Apoptotic cell death was investigated by a TUNEL assay. Additionally, OA was induced via forced exercise on a treadmill. ER stress in chondrocytes resulted in a reduced compressive stiffness of knee cartilage. With ER stress, 18-month-old mice developed osteoarthritic cartilage degeneration with osteophyte formation in knee joints. These degenerative changes were preceded by apoptotic death in articular chondrocytes. Young mice were not susceptible to OA, even when subjected to forced exercise. This study demonstrates that ER stress induces the development of age-related knee osteoarthritis owing to a decreased protective function of the UPR in chondrocytes with increasing age, while apoptosis increases. Therefore, inhibition of ER stress appears to be an attractive therapeutic target for OA.
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Affiliation(s)
- Yvonne Rellmann
- Institute of Physiological Chemistry and Pathobiochemistry, Waldeyerstraße 15, 48149 Muenster, Germany; (Y.R.); (E.E.)
| | - Elco Eidhof
- Institute of Physiological Chemistry and Pathobiochemistry, Waldeyerstraße 15, 48149 Muenster, Germany; (Y.R.); (E.E.)
| | - Uwe Hansen
- Institute of Musculoskeletal Medicine, University Hospital Münster, Albert-Schweitzer-Campus 1, Building D3, 48149 Muenster, Germany;
| | - Lutz Fleischhauer
- Center for Applied Tissue Engineering and Regenerative Medicine-CANTER, Munich University of Applied Sciences, 80335 Munich, Germany; (L.F.); (J.V.); (H.C.-S.)
- Center for Nanoscience-CeNS, 80335 Munich, Germany
- Department for Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, 80335 Munich, Germany;
| | - Jonas Vogel
- Center for Applied Tissue Engineering and Regenerative Medicine-CANTER, Munich University of Applied Sciences, 80335 Munich, Germany; (L.F.); (J.V.); (H.C.-S.)
- Center for Nanoscience-CeNS, 80335 Munich, Germany
| | - Hauke Clausen-Schaumann
- Center for Applied Tissue Engineering and Regenerative Medicine-CANTER, Munich University of Applied Sciences, 80335 Munich, Germany; (L.F.); (J.V.); (H.C.-S.)
- Center for Nanoscience-CeNS, 80335 Munich, Germany
| | - Attila Aszodi
- Department for Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU Munich, 80335 Munich, Germany;
| | - Rita Dreier
- Institute of Physiological Chemistry and Pathobiochemistry, Waldeyerstraße 15, 48149 Muenster, Germany; (Y.R.); (E.E.)
- Correspondence: ; Tel.: +49-251-8355573
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Ginsenoside Rg3 Attenuates TNF-α-Induced Damage in Chondrocytes through Regulating SIRT1-Mediated Anti-Apoptotic and Anti-Inflammatory Mechanisms. Antioxidants (Basel) 2021; 10:antiox10121972. [PMID: 34943075 PMCID: PMC8750552 DOI: 10.3390/antiox10121972] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/04/2021] [Accepted: 12/07/2021] [Indexed: 12/22/2022] Open
Abstract
The upregulation of tumor necrosis factor-alpha (TNF-α) is a common event in arthritis, and the subsequent signaling cascade that leads to tissue damage has become the research focus. To explore a potential therapeutic strategy to prevent cartilage degradation, we tested the effect of ginsenoside Rg3, a bioactive component of Panax ginseng, on TNF-α-stimulated chondrocytes.TC28a2 Human Chondrocytes were treated with TNF-α to induce damage of chondrocytes. SIRT1 and PGC-1a expression levels were investigated by Western blotting assay. Mitochondrial SIRT3 and acetylated Cyclophilin D (CypD) were investigated using mitochondrial isolation. The mitochondrial mass number and mitochondrial DNA copy were studied for mitochondrial biogenesis. MitoSOX and JC-1 were used for the investigation of mitochondrial ROS and membrane potential. Apoptotic markers, pro-inflammatory events were also tested to prove the protective effects of Rg3. We showed Rg3 reversed the TNF-α-inhibited SIRT1 expression. Moreover, the activation of the SIRT1/PGC-1α/SIRT3 pathway by Rg3 suppressed the TNF-α-induced acetylation of CypD, resulting in less mitochondrial dysfunction and accumulation of reactive oxygen species (ROS). Additionally, we demonstrated that the reduction of ROS ameliorated the TNF-α-elicited apoptosis. Furthermore, the Rg3-reverted SIRT1/PGC-1α/SIRT3 activation mediated the repression of p38 MAPK, which downregulated the NF-κB translocation in the TNF-α-treated cells. Our results revealed that administration of Rg3 diminished the production of interleukin 8 (IL-8) and matrix metallopeptidase 9 (MMP-9) in chondrocytes via SIRT1/PGC-1α/SIRT3/p38 MAPK/NF-κB signaling in response to TNF-α stimulation. Taken together, we showed that Rg3 may serve as an adjunct therapy for patients with arthritis.
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