1
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Kuang S, Liu Z, Liu L, Fu X, Sheng W, Hu Z, Lin C, He Q, Chen J, Gao S. Polygonatum sibiricum polysaccharides protect against knee osteoarthritis by inhibiting the TLR2/NF-κB signaling pathway in vivo and in vitro. Int J Biol Macromol 2024; 274:133137. [PMID: 38901508 DOI: 10.1016/j.ijbiomac.2024.133137] [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: 03/21/2024] [Revised: 06/10/2024] [Accepted: 06/11/2024] [Indexed: 06/22/2024]
Abstract
Polygonatum sibiricum polysaccharides (PSP), the primary constituent of Polygonatum sibiricum, have been shown to exhibit a wide range of pharmacological effects, but their impact on osteoarthritis (OA) remains unclear. The objective of this study was to investigate the protective effects of PSP against OA and to elucidate its underlying molecular mechanism. In our in vitro experiments, PSP not only inhibited the IL-1β-induced inflammatory responses and the nuclear factor kappa-B (NF-κB) signaling pathway in chondrocytes but also regulated the cartilage matrix metabolism. In addition, we detected 394 significantly differentially expressed genes through RNA-seq analysis on PSP-intervened chondrocytes, and the toll-like receptor 2 (TLR2) was identified as the most important feature by functional network analysis and qRT-PCR. It was also revealed that PSP treatment significantly reversed the IL-1-induced up-regulation of TLR2 expression in chondrocytes, while TLR2 overexpression partially inhibited the regulatory effects of PSP on inflammation, NF-κB signaling pathway and matrix metabolism. In our in vivo experiments, PSP treatment alleviated the development of destabilization of medial meniscus (DMM)-induced OA in mouse knee joints, inhibited the DMM-induced activation of the TLR2/NF-κB signaling pathway in mouse knee joint cartilage, and reduced the serum levels of inflammatory cytokines. In conclusion, PSP exerts its anti-inflammatory, matrix synthesis-promoting and matrix catabolism-suppressing effects in knee OA by inhibiting the TLR2/NF-κB signaling pathway, suggesting that PSP may be potentially targeted as a novel all-natural, low-toxicity drug for OA prevention and treatment.
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Affiliation(s)
- Shida Kuang
- College of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China; Andrology Laboratory, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China
| | - Zhewen Liu
- The First Affiliated Hospital, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China
| | - Lumei Liu
- College of Integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China
| | - Xinying Fu
- College of Integrated Traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China; Andrology Laboratory, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China
| | - Wen Sheng
- Andrology Laboratory, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China; Hunan University of Medicine, Huaihua, Hunan 418000, China
| | - Zongren Hu
- Andrology Laboratory, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China; Hunan University of Medicine, Huaihua, Hunan 418000, China
| | - Chengxiong Lin
- Hunan University of Medicine, Huaihua, Hunan 418000, China
| | - Qinghu He
- Andrology Laboratory, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China; Hunan University of Medicine, Huaihua, Hunan 418000, China.
| | - Jisong Chen
- Hunan University of Medicine, Huaihua, Hunan 418000, China.
| | - Shuguang Gao
- Department of Orthopaedics, Xiangya Hospital Central South University, Changsha, Hunan, 410008, China.
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2
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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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3
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Bonadio JD, Bashiri G, Halligan P, Kegel M, Ahmed F, Wang K. Delivery technologies for therapeutic targeting of fibronectin in autoimmunity and fibrosis applications. Adv Drug Deliv Rev 2024; 209:115303. [PMID: 38588958 PMCID: PMC11111362 DOI: 10.1016/j.addr.2024.115303] [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: 10/02/2023] [Revised: 02/29/2024] [Accepted: 04/03/2024] [Indexed: 04/10/2024]
Abstract
Fibronectin (FN) is a critical component of the extracellular matrix (ECM) contributing to various physiological processes, including tissue repair and immune response regulation. FN regulates various cellular functions such as adhesion, proliferation, migration, differentiation, and cytokine release. Alterations in FN expression, deposition, and molecular structure can profoundly impact its interaction with other ECM proteins, growth factors, cells, and associated signaling pathways, thus influencing the progress of diseases such as fibrosis and autoimmune disorders. Therefore, developing therapeutics that directly target FN or its interaction with cells and other ECM components can be an intriguing approach to address autoimmune and fibrosis pathogenesis.
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Affiliation(s)
- Jacob D Bonadio
- Department of Bioengineering, Temple University, Philadelphia, PA, United States
| | - Ghazal Bashiri
- Department of Bioengineering, Temple University, Philadelphia, PA, United States
| | - Patrick Halligan
- Department of Bioengineering, Temple University, Philadelphia, PA, United States
| | - Michael Kegel
- Department of Bioengineering, Temple University, Philadelphia, PA, United States
| | - Fatima Ahmed
- Department of Bioengineering, Temple University, Philadelphia, PA, United States
| | - Karin Wang
- Department of Bioengineering, Temple University, Philadelphia, PA, United States.
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4
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Kramer NE, Coryell P, D'Costa S, Thulson E, Byun S, Kim H, Parkus SM, Bond ML, Shine J, Chubinskaya S, Love MI, Mohlke KL, Diekman BO, Loeser RF, Phanstiel DH. Response eQTLs, chromatin accessibility, and 3D chromatin structure in chondrocytes provide mechanistic insight into osteoarthritis risk. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.05.592567. [PMID: 38952796 PMCID: PMC11216363 DOI: 10.1101/2024.05.05.592567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Osteoarthritis (OA) poses a significant healthcare burden with limited treatment options. While genome-wide association studies (GWAS) have identified over 100 OA-associated loci, translating these findings into therapeutic targets remains challenging. Integrating expression quantitative trait loci (eQTL), 3D chromatin structure, and other genomic approaches with OA GWAS data offers a promising approach to elucidate disease mechanisms; however, comprehensive eQTL maps in OA-relevant tissues and conditions remain scarce. We mapped gene expression, chromatin accessibility, and 3D chromatin structure in primary human articular chondrocytes in both resting and OA-mimicking conditions. We identified thousands of differentially expressed genes, including those associated with differences in sex and age. RNA-seq in chondrocytes from 101 donors across two conditions uncovered 3782 unique eGenes, including 420 that exhibited strong and significant condition-specific effects. Colocalization with OA GWAS signals revealed 13 putative OA risk genes, 10 of which have not been previously identified. Chromatin accessibility and 3D chromatin structure provided insights into the mechanisms and conditional specificity of these variants. Our findings shed light on OA pathogenesis and highlight potential targets for therapeutic development. Highlights ∘ Comprehensive analysis of sex- and age-related global gene expression in human chondrocytes revealed differences that correlate with osteoarthritis ∘ First response eQTLs in chondrocytes treated with an OA-related stimulus ∘ Deeply sequenced Hi-C in resting and activated chondrocytes helps connect OA risk variants to their putative causal genes ∘ Colocalization analysis reveals 13 (including 10 novel) putative OA risk genes.
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5
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Segarra-Queralt M, Crump K, Pascuet-Fontanet A, Gantenbein B, Noailly J. The interplay between biochemical mediators and mechanotransduction in chondrocytes: Unravelling the differential responses in primary knee osteoarthritis. Phys Life Rev 2024; 48:205-221. [PMID: 38377727 DOI: 10.1016/j.plrev.2024.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 02/06/2024] [Indexed: 02/22/2024]
Abstract
In primary or idiopathic osteoarthritis (OA), it is unclear which factors trigger the shift of articular chondrocyte activity from pro-anabolic to pro-catabolic. In fact, there is a controversy about the aetiology of primary OA, either mechanical or inflammatory. Chondrocytes are mechanosensitive cells, that integrate mechanical stimuli into cellular responses in a process known as mechanotransduction. Mechanotransduction occurs thanks to the activation of mechanosensors, a set of specialized proteins that convert physical cues into intracellular signalling cascades. Moderate levels of mechanical loads maintain normal tissue function and have anti-inflammatory effects. In contrast, mechanical over- or under-loading might lead to cartilage destruction and increased expression of pro-inflammatory cytokines. Simultaneously, mechanotransduction processes can regulate and be regulated by pro- and anti-inflammatory soluble mediators, both local (cells of the same joint, i.e., the chondrocytes themselves, infiltrating macrophages, fibroblasts or osteoclasts) and systemic (from other tissues, e.g., adipokines). Thus, the complex process of mechanotransduction might be altered in OA, so that cartilage-preserving chondrocytes adopt a different sensitivity to mechanical signals, and mechanic stimuli positively transduced in the healthy cartilage may become deleterious under OA conditions. This review aims to provide an overview of how the biochemical exposome of chondrocytes can alter important mechanotransduction processes in these cells. Four principal mechanosensors, i.e., integrins, Ca2+ channels, primary cilium and Wnt signalling (canonical and non-canonical) were targeted. For each of these mechanosensors, a brief summary of the response to mechanical loads under healthy or OA conditions is followed by a concise overview of published works that focus on the further regulation of the mechanotransduction pathways by biochemical factors. In conclusion, this paper discusses and explores how biological mediators influence the differential behaviour of chondrocytes under mechanical loads in healthy and primary OA.
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Affiliation(s)
- Maria Segarra-Queralt
- BCN MedTech, Universitat Pompeu Fabra, C/ de la Mercè, 12, Barcelona, 08002, Catalonia, Spain
| | - Katherine Crump
- Tissue Engineering for Orthopaedics & Mechanobiology, Bone & Joint Program, Department for BioMedical Research (DBMR), Medical Faculty, University of Bern, Murtenstrasse 35, Bern, 3008, Bern, Switzerland; Graduate School for Cellular and Biomedical Sciences (GCB), University of Bern, Mittelstrasse 43, Bern, 3012, Bern, Switzerland
| | - Andreu Pascuet-Fontanet
- BCN MedTech, Universitat Pompeu Fabra, C/ de la Mercè, 12, Barcelona, 08002, Catalonia, Spain
| | - Benjamin Gantenbein
- Tissue Engineering for Orthopaedics & Mechanobiology, Bone & Joint Program, Department for BioMedical Research (DBMR), Medical Faculty, University of Bern, Murtenstrasse 35, Bern, 3008, Bern, Switzerland; Department of Orthopedic Surgery & Traumatology, Inselspital, University of Bern, Freiburgstrasse 18, Bern, 3010, Bern, Switzerland
| | - Jérôme Noailly
- BCN MedTech, Universitat Pompeu Fabra, C/ de la Mercè, 12, Barcelona, 08002, Catalonia, Spain.
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6
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Naha A, Driscoll TP. Fibronectin sensitizes activation of contractility, YAP, and NF-κB in nucleus pulposus cells. J Orthop Res 2024; 42:434-442. [PMID: 37525423 DOI: 10.1002/jor.25670] [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: 03/24/2023] [Revised: 06/21/2023] [Accepted: 07/26/2023] [Indexed: 08/02/2023]
Abstract
Intervertebral disc degeneration involves the breakdown of the discs of the spine due to genetics, aging, or faulty mechanical loading. As part of the progression of the disease, nucleus pulposus cells lose their phenotypic characteristics, inducing inflammation and extracellular matrix (ECM) alterations that result in a loss of disc mechanical homeostasis. Fibronectin is one ECM molecule that has been shown to be upregulated in disc degeneration and plays an important role in the progression of a wide variety of fibrotic diseases. Fragments of fibronectin have also long been associated with both osteoarthritis and disc degeneration. The goal of this work is to test the effects of fibronectin on disc cell phenotype, mechanosensing, and inflammatory signaling. We identify that fibronectin increases the activation of cellular contractility, the mechanosensitive transcription factor Yes-associated protein, and the inflammatory transcription factor nuclear factor-κB. This results in decreased production and expression of proteoglycans, which are required to maintain healthy disc function. Thus, fibronectin is a potential regulator of phenotypic changes in disc degeneration, and a potential target for treating disc degeneration at the cellular level. Understanding the role of fibronectin, and its potential as a therapeutic target, could provide new approaches for preventing or reversing disc degeneration.
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Affiliation(s)
- Ananya Naha
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, USA
| | - Tristan P Driscoll
- Department of Chemical and Biomedical Engineering, FAMU-FSU College of Engineering, Tallahassee, Florida, USA
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7
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Papageorgiou AA, Roussos A, Papathanasiou I, Balis C, Karachalios T, Varitimidis SE, Malizos KN, Tsezou A. MiR-217 Regulates SIRT1 Expression and Promotes Inflammatory and Apoptotic Responses in Osteoarthritis. Genes (Basel) 2023; 14:2155. [PMID: 38136977 PMCID: PMC10742866 DOI: 10.3390/genes14122155] [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: 11/06/2023] [Revised: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 12/24/2023] Open
Abstract
Previous studies have reported miR-217 uregulation in age-related pathologies. We investigated the impact of miR-217-5p on sirtuin 1 (SIRT1) regulation in human osteoarthritic (OA) chondrocytes. MiR-217 target enrichment analyses were performed using three public databases, Gene Ontology and Kyoto Encyclopedia of Genes and Genomes. MiR-217-5p expression levels were quantified in normal and OA chondrocytes. SIRT1 expression levels, nuclear factor kappa-B p65 subunit (NF-κBp65) and p53 acetylation levels, and expression levels of OA-related pro-inflammatory markers [tumor necrosis factor α (TNFα), interleukin 1β (IL-1β), IL-6], pro-apoptotic markers [Bax, pro-caspase 3, cleaved caspase 3] and matrix regulators [matrix metalloproteinase (MMP)-1, MMP-13, MMP-9, Collagen 2 (COL2A1), Aggrecan (ACAN)] were evaluated in miR-217 mimic-treated and/or miR-217 inhibitor-treated OA chondrocytes, with/without subsequent treatment with siRNA against SIRT1 (siSIRT1). MiR-217-5p was upregulated in OA chondrocytes, while target prediction/enrichment analyses revealed SIRT1 as miR-217 target-gene. Deacetylation of NF-κBp65 and p53 in miR-217 inhibitor-treated OA chondrocytes was reversed by siSIRT1 treatment. MiR-217 inhibitor-treated OA chondrocytes showed increased COL2A1, ACAN and decreased IL-1β, IL-6, TNFα, Bax, cleaved caspase 3 and MMPs expression levels, which were reversed following miR-217 inhibitor/siSIRT1 treatment. Our findings highlight the impact of miR-217-5p on SIRT1 downregulation contributing to OA pathogenesis.
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Affiliation(s)
- Aliki-Alexandra Papageorgiou
- Laboratory of Cytogenetics and Molecular Genetics, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece; (A.-A.P.); (A.R.); (I.P.); (C.B.)
| | - Athanasios Roussos
- Laboratory of Cytogenetics and Molecular Genetics, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece; (A.-A.P.); (A.R.); (I.P.); (C.B.)
| | - Ioanna Papathanasiou
- Laboratory of Cytogenetics and Molecular Genetics, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece; (A.-A.P.); (A.R.); (I.P.); (C.B.)
- Department of Biology, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece
| | - Charalampos Balis
- Laboratory of Cytogenetics and Molecular Genetics, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece; (A.-A.P.); (A.R.); (I.P.); (C.B.)
| | - Theophilos Karachalios
- Department of Orthopedic Surgery, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41500 Larissa, Greece; (T.K.); (S.E.V.); (K.N.M.)
| | - Sokratis E. Varitimidis
- Department of Orthopedic Surgery, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41500 Larissa, Greece; (T.K.); (S.E.V.); (K.N.M.)
| | - Konstantinos N. Malizos
- Department of Orthopedic Surgery, Faculty of Medicine, School of Health Sciences, University of Thessaly, Biopolis, 41500 Larissa, Greece; (T.K.); (S.E.V.); (K.N.M.)
| | - Aspasia Tsezou
- Laboratory of Cytogenetics and Molecular Genetics, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece; (A.-A.P.); (A.R.); (I.P.); (C.B.)
- Department of Biology, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece
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8
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Kim HJ, Chang HK, Lee YM, Heo K. Catecholamines Promote Ovarian Cancer Progression through Secretion of CXC-Chemokines. Int J Mol Sci 2023; 24:14104. [PMID: 37762405 PMCID: PMC10532075 DOI: 10.3390/ijms241814104] [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: 08/18/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 09/29/2023] Open
Abstract
Considerable evidence has accumulated in the last decade supporting the notion that chronic stress is closely related to the growth, metastasis, and angiogenesis of ovarian cancer. In this study, we analyzed the conditioned media in SKOV3 ovarian cancer cell lines treated with catecholamines to identify secreted proteins responding to chronic stress. Here, we observed that epinephrine and norepinephrine enhanced the secretion and mRNA expression of CXC-chemokines (CXCL1, 2, 3, and 8). Neutralizing antibodies to CXCL8 and CXCL8 receptor (CXCR2) inhibitors significantly reduced catecholamine-mediated invasion of SKOV3 cells. Finally, we found that the concentration of CXCL1 and CXCL8 in the plasma of ovarian cancer patients increased with stage progression. Taken together, these findings suggest that stress-related catecholamines may influence ovarian cancer progression through the secretion of CXC-chemokines.
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Affiliation(s)
- Hyun Jung Kim
- Department of Biopharmaceutical Chemistry, Kookmin University, Seoul 02707, Republic of Korea; (H.J.K.); (Y.M.L.)
- Biopharmaceutical Chemistry Major, School of Applied Chemistry, Kookmin University, Seoul 02707, Republic of Korea
- Antibody Research Institute, Kookmin University, Seoul 02707, Republic of Korea
| | - Ha Kyun Chang
- Department of Obstetrics and Gynecology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan 15355, Republic of Korea;
| | - Yul Min Lee
- Department of Biopharmaceutical Chemistry, Kookmin University, Seoul 02707, Republic of Korea; (H.J.K.); (Y.M.L.)
| | - Kyun Heo
- Department of Biopharmaceutical Chemistry, Kookmin University, Seoul 02707, Republic of Korea; (H.J.K.); (Y.M.L.)
- Biopharmaceutical Chemistry Major, School of Applied Chemistry, Kookmin University, Seoul 02707, Republic of Korea
- Antibody Research Institute, Kookmin University, Seoul 02707, Republic of Korea
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9
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Kakutani K, Yurube T, An HS, Doita M, Masuda K. Cytokine Inhibitors Upregulate Extracellular Matrix Anabolism of Human Intervertebral Discs under Alginate Beads and Alginate-Embedded Explant Cultures. Int J Mol Sci 2023; 24:12336. [PMID: 37569715 PMCID: PMC10418414 DOI: 10.3390/ijms241512336] [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: 06/12/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
We investigated the effects of the cytokine inhibitors IL-1 receptor antagonist (IL-1Ra) and soluble tumor necrosis factor receptor-1 (sTNFR1) on the extracellular matrix metabolism of human intervertebral discs (IVDs) and the roles of IL-1β and TNF in the homeostasis of IVD cells. The 1.2% alginate beads and the explants obtained from 35 human lumbar discs were treated with cytokine inhibitors. Extracellular matrix metabolism was evaluated by proteoglycan (PG) and collagen syntheses and IL-1β, TNF, and IL-6 expressions after three days of culture in the presence or absence of IL-1Ra, sTNFR1, and cycloheximide. Simultaneous treatment with IL-1Ra and sTNFR1 stimulated PG and collagen syntheses in the NP and AF cells and explants. The IL-1β concentration was significantly correlated to the relative increase in PG synthesis in AF explants after simultaneous cytokine inhibitor treatment. The relative increase in PG synthesis induced by simultaneous cytokine treatment was significantly higher in an advanced grade of MRI. Expressions of IL-1β and TNF were upregulated by each cytokine inhibitor, and simultaneous treatment suppressed IL-1β and TNF productions. In conclusion, IL-1Ra and sTNFR1 have the potential to increase PG and collagen synthesis in IVDs. IL-1β and TNF have a feedback pathway to maintain optimal expression, resulting in the control of homeostasis in IVD explants.
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Affiliation(s)
- Kenichiro Kakutani
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan;
- Department of Orthopaedic Surgery, Rush University Medical Center, Orthopaedic Building, Suite 300, 1611 W Harrison Street, Chicago, IL 60612, USA;
| | - Takashi Yurube
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe 650-0017, Japan;
| | - Howard S. An
- Department of Orthopaedic Surgery, Rush University Medical Center, Orthopaedic Building, Suite 300, 1611 W Harrison Street, Chicago, IL 60612, USA;
| | - Minoru Doita
- Department of Orthopedic Surgery, Iwate Medical University School of Medicine, 2-1-1, Idaidori, Yahaba-cho, Showa-gun, Iwate 028-3895, Japan;
| | - Koichi Masuda
- Department of Orthopaedic Surgery, University of California, San Diego, 9500 Gilman Dr. Mail Code 0863, La Jolla, CA 92093-0863, USA;
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10
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Luo W, Zhang G, Wang Z, Wu Y, Xiong Y. Ubiquitin-specific proteases: Vital regulatory molecules in bone and bone-related diseases. Int Immunopharmacol 2023; 118:110075. [PMID: 36989900 DOI: 10.1016/j.intimp.2023.110075] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/06/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023]
Abstract
Stabilization of bone structure and function involves multiple cell-to-cell and molecular interactions, in which the regulatory functions of post-translational modifications such as ubiquitination and deubiquitination shouldn't be underestimated. As the largest family of deubiquitinating enzymes, the ubiquitin-specific proteases (USPs) participate in the development of bone homeostasis and bone-related diseases through multiple classical osteogenic and osteolytic signaling pathways, such as BMP/TGF-β pathway, NF-κB/p65 pathway, EGFR-MAPK pathway and Wnt/β-catenin pathway. Meanwhile, USPs may also broadly regulate regulate hormone expression level, cell proliferation and differentiation, and may further influence bone homeostasis from gene fusion and nuclear translocation of transcription factors. The number of patients with bone-related diseases is currently enormous, making exploration of their pathogenesis and targeted therapy a hot topic. Pathological increases in the levels of inflammatory mediators such as IL-1β and TNF-α lead to inflammatory bone diseases such as osteoarthritis, rheumatoid arthritis and periodontitis. While impaired body metabolism greatly increases the probability of osteoporosis. Abnormal physiological activity of bone-associated cells results in a variety of bone tumors. The regulatory role of USPs in bone-related disease has received particular attention from academics in recent studies. In this review, we focuse on the roles and mechanisms of USPs in bone homeostasis and bone-related diseases, with the expectation of informing targeted therapies in the clinic.
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Affiliation(s)
- Wenxin Luo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Guorui Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhanqi Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yingying Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yi Xiong
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China; Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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11
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Rapp AE, Zaucke F. Cartilage extracellular matrix-derived matrikines in osteoarthritis. Am J Physiol Cell Physiol 2023; 324:C377-C394. [PMID: 36571440 DOI: 10.1152/ajpcell.00464.2022] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Osteoarthritis (OA) is among the most frequent diseases of the musculoskeletal system. Degradation of cartilage extracellular matrix (ECM) is a hallmark of OA. During the degradation process, intact/full-length proteins and proteolytic fragments are released which then might induce different downstream responses via diverse receptors, therefore leading to different biological consequences. Collagen type II and the proteoglycan aggrecan are the most abundant components of the cartilage ECM. However, over the last decades, a large number of minor components have been identified and for some of those, a role in the manifold processes associated with OA has already been demonstrated. To date, there is still no therapy able to halt or cure OA. A better understanding of the matrikine landscape occurring with or even preceding obvious degenerative changes in joint tissues is needed and might help to identify molecules that could serve as biomarkers, druggable targets, or even be blueprints for disease modifying drug OA drugs. For this narrative review, we screened PubMed for relevant literature in the English language and summarized the current knowledge regarding the function of selected ECM molecules and the derived matrikines in the context of cartilage and OA.
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Affiliation(s)
- Anna E Rapp
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Frank Zaucke
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
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12
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Yang R, Guo Y, Zong S, Ma Z, Wang Z, Zhao J, Yang J, Li L, Chen C, Wang S. Bardoxolone methyl ameliorates osteoarthritis by inhibiting osteoclastogenesis and protecting the extracellular matrix against degradation. Heliyon 2023; 9:e13080. [PMID: 36798782 PMCID: PMC9925876 DOI: 10.1016/j.heliyon.2023.e13080] [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: 10/18/2022] [Revised: 01/07/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
Inflammation and oxidative damage are closely related to the development of osteoarthritis. Bardoxolone methyl (CDDO-Me), a semisynthetic oleanane triterpenoid, plays a strong anti-inflammatory and antioxidant role. The purpose of our research was to explore fundamental mechanisms of CDDO-Me in orthopaedics development. The results showed that CDDO-Me inhibited nuclear factor-κB ligand (RANKL)-induced osteoclast formation and extracellular matrix (ECM) degradation by activating the Nrf2/HO-1 signaling pathways and inhibiting NF-κB pathway activation and excess ROS production. In vivo, CDDO-Me significantly attenuated articular cartilage proteoglycan loss and the number of TRAP-positive osteoclasts in a destabilized medial meniscus (DMM) mouse model of OA. Taken together, these data demonstrate that CDDO-Me inhibits osteoclastogenesis and ECM degradation, underscoring its potential therapeutic value in treating OA.
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Affiliation(s)
- Ruijia Yang
- Shanxi Key Lab of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan, China,Department of Laboratory Medicine, Southern Central Hospital of Yunnan Province (The First People's Hospital of Honghe State), Mengzi, China
| | - Yanjing Guo
- Shanxi Key Lab of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan, China,Department of Biochemistry, Basic Medical College, Shanxi Medical University, Taiyuan, China
| | - Sujing Zong
- Shanxi Key Lab of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan, China,Department of Biochemistry, Basic Medical College, Shanxi Medical University, Taiyuan, China
| | - Zhou Ma
- Shanxi Key Lab of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Zhenyu Wang
- Shanxi Key Lab of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Jiyu Zhao
- Shanxi Key Lab of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan, China
| | - Jinmei Yang
- Department of Pediatrics, Southern Central Hospital of Yunnan Province (The First People's Hospital of Honghe State), Mengzi, China
| | - Liping Li
- Department of Biochemistry, Basic Medical College, Shanxi Medical University, Taiyuan, China
| | - Chongwei Chen
- Shanxi Key Lab of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan, China,Corresponding authors. Shanxi Key Lab of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan, China.
| | - Shaowei Wang
- Shanxi Key Lab of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan, China,Department of Biochemistry, Basic Medical College, Shanxi Medical University, Taiyuan, China,Corresponding authors. Shanxi Key Lab of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan, China.
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13
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Iliuță D, Tarniță D, Petcu A, Zlatian O, Rogoveanu O, Tarniță DN. Research on the Influence of MUVON PLUS Treatment Upon the Biomechanical Behavior of the Human Osteoarthritic Knee. CURRENT HEALTH SCIENCES JOURNAL 2023; 49:75-84. [PMID: 37786768 PMCID: PMC10541506 DOI: 10.12865/chsj.49.01.75] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 11/19/2022] [Indexed: 10/04/2023]
Abstract
BACKGROUND This study aimed to investigate the effects of MUVON PLUS, a dietary supplement containing hydrolized collagen, chondroitin sulfate, and vitamin C, on the biomechanical behavior of the knee joint in patients with second-degree osteoarthritis (OA). MATERIAL AND METHOD The study included 15 participants who underwent biomechanical testing before and after 3 and 6 months of supplement administration. Biometrics and SimiMotion software were used to process and analyze the data. Results showed significant improvements in biomechanical parameters such as joint range of motion, joint torque, and joint stiffness for all patients during the treatment. Improvements were observed across various tests, including horizontal walking, stairs climbing and descending, sitting/standing up from a chair, and knee squats. This improvement in biomechanical performance was also reflected in the patients' reported quality of life. For the stairs climbing test, the maximum flexion-extension angle increased by approximately 7% after 3 months and 12% after 6 months. In the stairs descending test, the maximum flexion-extension angle increased by approximately 8% after 3 months and 19% after 6 months. These results highlight an improvement in mobility for the study participants. CONCLUSIONS Significant improvements of the biomechanical parameters of the knee joint were found in all patients during the treatment with the MUVON PLUS in all tests, which indicates the clear clinical benefit, revealed by improving the quality of life reported by patients. Overall, the study demonstrated the effectiveness of MUVON PLUS in enhancing the biomechanical behavior of the knee joint in patients with OA, providing valuable insights for future research and treatment.
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Affiliation(s)
- Daniel Iliuță
- PhD Student, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, Romania
| | - Daniela Tarniță
- PhD Student, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, Romania
| | - Alin Petcu
- Department of Applied Mechanics, Faculty of Mechanics, University of Craiova, Romania
| | - Ovidiu Zlatian
- Department of Bacteriology-Virusology-Parasitology, University of Medicine and Pharmacy of Craiova, Romania
| | - Otilia Rogoveanu
- Department of Physical Medicine and Rehabilitation, University of Medicine and Pharmacy of Craiova, Romania
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14
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Thulson E, Davis ES, D’Costa S, Coryell PR, Kramer NE, Mohlke KL, Loeser RF, Diekman BO, Phanstiel DH. 3D chromatin structure in chondrocytes identifies putative osteoarthritis risk genes. Genetics 2022; 222:iyac141. [PMID: 36099032 PMCID: PMC9713432 DOI: 10.1093/genetics/iyac141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 08/29/2022] [Indexed: 12/13/2022] Open
Abstract
Genome-wide association studies have identified over 100 loci associated with osteoarthritis risk, but the majority of osteoarthritis risk variants are noncoding, making it difficult to identify the impacted genes for further study and therapeutic development. To address this need, we used a multiomic approach and genome editing to identify and functionally characterize potential osteoarthritis risk genes. Computational analysis of genome-wide association studies and ChIP-seq data revealed that chondrocyte regulatory loci are enriched for osteoarthritis risk variants. We constructed a chondrocyte-specific regulatory network by mapping 3D chromatin structure and active enhancers in human chondrocytes. We then intersected these data with our previously collected RNA-seq dataset of chondrocytes responding to fibronectin fragment, a known osteoarthritis trigger. Integration of the 3 genomic datasets with recently reported osteoarthritis genome-wide association study variants revealed a refined set of putative causal osteoarthritis variants and their potential target genes. One of the putative target genes identified was SOCS2, which was connected to a putative causal variant by a 170-kb loop and is differentially regulated in response to fibronectin fragment. CRISPR-Cas9-mediated deletion of SOCS2 in primary human chondrocytes from 3 independent donors led to heightened expression of inflammatory markers after fibronectin fragment treatment. These data suggest that SOCS2 plays a role in resolving inflammation in response to cartilage matrix damage and provides a possible mechanistic explanation for its influence on osteoarthritis risk. In total, we identified 56 unique putative osteoarthritis risk genes for further research and potential therapeutic development.
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Affiliation(s)
- Eliza Thulson
- Curriculum in Genetics and Molecular Biology, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Eric S Davis
- Curriculum in Bioinformatics and Computational Biology, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Susan D’Costa
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Philip R Coryell
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Nicole E Kramer
- Curriculum in Bioinformatics and Computational Biology, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Karen L Mohlke
- Department of Genetics, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Richard F Loeser
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC 27599, USA
- Division of Rheumatology, Allergy and Immunology, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Brian O Diekman
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC 27599, USA
- Joint Department of Biomedical Engineering, University of North Carolina and North Carolina State University, Raleigh, NC 27695, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Douglas H Phanstiel
- Curriculum in Genetics and Molecular Biology, University of North Carolina, Chapel Hill, NC 27599, USA
- Curriculum in Bioinformatics and Computational Biology, University of North Carolina, Chapel Hill, NC 27599, USA
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC 27599, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
- Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, NC 27599, USA
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15
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Dubchak E, Obasanmi G, Zeglinski MR, Granville DJ, Yeung SN, Matsubara JA. Potential role of extracellular granzyme B in wet age-related macular degeneration and fuchs endothelial corneal dystrophy. Front Pharmacol 2022; 13:980742. [PMID: 36204224 PMCID: PMC9531149 DOI: 10.3389/fphar.2022.980742] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 08/16/2022] [Indexed: 11/13/2022] Open
Abstract
Age-related ocular diseases are the leading cause of blindness in developed countries and constitute a sizable socioeconomic burden worldwide. Age-related macular degeneration (AMD) and Fuchs endothelial corneal dystrophy (FECD) are some of the most common age-related diseases of the retina and cornea, respectively. AMD is characterized by a breakdown of the retinal pigment epithelial monolayer, which maintains retinal homeostasis, leading to retinal degeneration, while FECD is characterized by degeneration of the corneal endothelial monolayer, which maintains corneal hydration status, leading to corneal edema. Both AMD and FECD pathogenesis are characterized by disorganized local extracellular matrix (ECM) and toxic protein deposits, with both processes linked to aberrant protease activity. Granzyme B (GrB) is a serine protease traditionally known for immune-mediated initiation of apoptosis; however, it is now recognized that GrB is expressed by a variety of immune and non-immune cells and aberrant extracellular localization of GrB substantially contributes to various age-related pathologies through dysregulated cleavage of ECM, tight junction, and adherens junction proteins. Despite growing recognition of GrB involvement in multiple age-related pathologies, its role in AMD and FECD remains poorly understood. This review summarizes the pathophysiology of, and similarities between AMD and FECD, outlines the current knowledge of the role of GrB in AMD and FECD, as well as hypothesizes putative contributions of GrB to AMD and FECD pathogenesis and highlights the therapeutic potential of pharmacologically inhibiting GrB as an adjunctive treatment for AMD and FECD.
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Affiliation(s)
- Eden Dubchak
- Department of Ophthalmology and Visual Sciences, University of British Columbia (UBC), Vancouver, BC, Canada
| | - Gideon Obasanmi
- Department of Ophthalmology and Visual Sciences, University of British Columbia (UBC), Vancouver, BC, Canada
| | - Matthew R. Zeglinski
- ICORD Centre and Department of Pathology and Laboratory Medicine, Vancouver Coastal Health Research Institute, UBC, Vancouver, BC, Canada
| | - David J. Granville
- ICORD Centre and Department of Pathology and Laboratory Medicine, Vancouver Coastal Health Research Institute, UBC, Vancouver, BC, Canada
| | - Sonia N. Yeung
- Department of Ophthalmology and Visual Sciences, University of British Columbia (UBC), Vancouver, BC, Canada
| | - Joanne A. Matsubara
- Department of Ophthalmology and Visual Sciences, University of British Columbia (UBC), Vancouver, BC, Canada
- *Correspondence: Joanne A. Matsubara,
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16
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Dinesh NEH, Campeau PM, Reinhardt DP. Fibronectin isoforms in skeletal development and associated disorders. Am J Physiol Cell Physiol 2022; 323:C536-C549. [PMID: 35759430 DOI: 10.1152/ajpcell.00226.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The extracellular matrix is an intricate and essential network of proteins and non-proteinaceous components that provide a conducive microenvironment for cells to regulate cell function, differentiation, and survival. Fibronectin is one key component in the extracellular matrix that participates in determining cell fate and function crucial for normal vertebrate development. Fibronectin undergoes time dependent expression patterns during stem cell differentiation, providing a unique stem cell niche. Mutations in fibronectin have been recently identified to cause a rare form of skeletal dysplasia with scoliosis and abnormal growth plates. Even though fibronectin has been extensively analyzed in developmental processes, the functional role and importance of this protein and its various isoforms in skeletal development remains less understood. This review attempts to provide a concise and critical overview of the role of fibronectin isoforms in cartilage and bone physiology and associated pathologies. This will facilitate a better understanding of the possible mechanisms through which fibronectin exerts its regulatory role on cellular differentiation during skeletal development. The review discusses the consequences of mutations in fibronectin leading to corner fracture type spondylometaphyseal dysplasia and presents a new outlook towards matrix-mediated molecular pathways in relation to therapeutic and clinical relevance.
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Affiliation(s)
- Neha E H Dinesh
- Faculty of Medicine and Health Sciences, McGill University, Montreal, Canada
| | | | - Dieter P Reinhardt
- Faculty of Medicine and Health Sciences, McGill University, Montreal, Canada.,Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Canada
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17
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Novel Functions of Integrins as Receptors of CD154: Their Role in Inflammation and Apoptosis. Cells 2022; 11:cells11111747. [PMID: 35681441 PMCID: PMC9179867 DOI: 10.3390/cells11111747] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/18/2022] [Accepted: 05/24/2022] [Indexed: 12/16/2022] Open
Abstract
CD154, an inflammatory mediator also known as CD40 ligand, has been identified as a novel binding partner for some members of the integrin family. The αIIbβ3, specifically expressed on platelets, was the first integrin to be described as a receptor for CD154 after CD40. Its interaction with soluble CD154 (sCD154) highly contributes to thrombus formation and stability. Identifying αIIbβ3 opened the door for investigating other integrins as partners of CD154. The αMβ2 expressed on myeloid cells was shown capable of binding CD154 and contributing as such to cell activation, adhesion, and release of proinflammatory mediators. In parallel, α5β1 communicates with sCD154, inducing pro-inflammatory responses. Additional pathogenic effects involving apoptosis-preventing functions were exhibited by the CD154–α5β1 dyad in T cells, conferring a role for such interaction in the survival of malignant cells, as well as the persistence of autoreactive T cells. More recently, CD154 receptors integrated two new integrin members, αvβ3 and α4β1, with little known as to their biological significance in this context. This article provides an overview of the novel role of integrins as receptors of CD154 and as critical players in pro-inflammatory and apoptotic responses.
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18
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von Mentzer U, Corciulo C, Stubelius A. Biomaterial Integration in the Joint: Pathological Considerations, Immunomodulation, and the Extracellular Matrix. Macromol Biosci 2022; 22:e2200037. [PMID: 35420256 DOI: 10.1002/mabi.202200037] [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: 02/27/2022] [Revised: 03/30/2022] [Indexed: 11/08/2022]
Abstract
Defects of articular joints are becoming an increasing societal burden due to a persistent increase in obesity and aging. For some patients suffering from cartilage erosion, joint replacement is the final option to regain proper motion and limit pain. Extensive research has been undertaken to identify novel strategies enabling earlier intervention to promote regeneration and cartilage healing. With the introduction of decellularized extracellular matrix (dECM), researchers have tapped into the potential for increased tissue regeneration by designing biomaterials with inherent biochemical and immunomodulatory signals. Compared to conventional and synthetic materials, dECM-based materials invoke a reduced foreign body response. It is therefore highly beneficial to understand the interplay of how these native tissue-based materials initiate a favorable remodeling process by the immune system. Yet, such an understanding also demands increasing considerations of the pathological environment and remodeling processes, especially for materials designed for early disease intervention. This knowledge would avoid rejection and help predict complications in conditions with inflammatory components such as arthritides. This review outlines general issues facing biomaterial integration and emphasizes the importance of tissue-derived macromolecular components in regulating essential homeostatic, immunological, and pathological processes to increase biomaterial integration for patients suffering from joint degenerative diseases. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Ula von Mentzer
- Division of Chemical Biology, Department of Biology and Biological Engineering, Chalmers University of Technology, Kemivägen 10, Gothenburg, 41296, Sweden
| | - Carmen Corciulo
- Centre for Bone and Arthritis Research, Department of Rheumatology and Inflammation, Sahlgrenska Academy at the University of Gothenburg, Guldhedsgatan 10A, Gothenburg, 41296, Sweden
| | - Alexandra Stubelius
- Division of Chemical Biology, Department of Biology and Biological Engineering, Chalmers University of Technology, Kemivägen 10, Gothenburg, 41296, Sweden
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19
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Kotelsky A, Elahi A, Nejat Yigit C, Proctor A, Mannava S, Pröschel C, Lee W. Effect of knee joint loading on chondrocyte mechano-vulnerability and severity of post-traumatic osteoarthritis induced by ACL-injury in mice. OSTEOARTHRITIS AND CARTILAGE OPEN 2022; 4:100227. [PMID: 36474470 PMCID: PMC9718206 DOI: 10.1016/j.ocarto.2021.100227] [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: 07/15/2021] [Revised: 11/10/2021] [Accepted: 12/03/2021] [Indexed: 10/19/2022] Open
Abstract
Objective The objective of this study is to understand the role of altered in vivo mechanical environments in knee joints post anterior cruciate ligament (ACL)-injury in chondrocyte vulnerability against mechanical stimuli and in the progression of post-traumatic osteoarthritis (PT-OA). Methods Differential in vivo mechanical environments were induced by unilateral ACL-injury (uni-ACL-I) and bilateral ACL-injury (bi-ACL-I) in 8-week-old female C57BL/6 mice. The gait parameters, the mechano-vulnerability of in situ chondrocytes, Young's moduli of cartilage extracellular matrix (ECM), and the histological assessment of OA severity (OARSI score) were compared between control and experimental groups at 0∼8-weeks post-ACL-injury. Results We found that bi-ACL-I mice experience higher joint-loading on their both injured limbs, but uni-ACL-I mice balance their joint-loading between injured and uninjured hind limbs resulting in a reduced joint-loading during gait. We also found that at 4- and 8-week post-injury the higher weight-bearing hind limbs (i.e., bi-ACL-I) had the increased area of chondrocyte death induced by impact loading and higher OARSI score than the lower weight-bearing limbs (uni-ACL-I). Additionally, we found that at 8-weeks post-injury the ECM became stiffer in bi-ACL-I joints and softer in uni-ACL-I joints. Conclusions Our results show that ACL-injured limbs with lower in vivo joint-loading develops PT-OA significantly slower than injured limbs with higher joint-loading during gait. Our data also indicate that articular chondrocytes in severe PT-OA are more fragile from mechanical impacts than chondrocytes in healthy or mild PT-OA. Thus, preserving physiologic joint-loads on injured joints will reduce chondrocyte death post-injury and may delay PT-OA progression.
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Affiliation(s)
- Alexander Kotelsky
- Department of Biomedical Engineering, University of Rochester, NY, USA
- Department of Pharmacology and Physiology, University of Rochester Medical Center, Rochester, NY, USA
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, USA
| | - Anissa Elahi
- Department for Biomedical Genetics, University of Rochester, Rochester, NY, USA
| | - Can Nejat Yigit
- Department of Biomedical Engineering, University of Rochester, NY, USA
| | - Ashley Proctor
- Department of Biomedical Engineering, University of Rochester, NY, USA
| | - Sandeep Mannava
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, USA
- Department of Orthopaedics, University of Rochester Medical Center, Rochester, NY, USA
| | - Christoph Pröschel
- Department for Biomedical Genetics, University of Rochester, Rochester, NY, USA
| | - Whasil Lee
- Department of Biomedical Engineering, University of Rochester, NY, USA
- Department of Pharmacology and Physiology, University of Rochester Medical Center, Rochester, NY, USA
- Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, NY, USA
- Department of Orthopaedics, University of Rochester Medical Center, Rochester, NY, USA
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20
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The essential anti-angiogenic strategies in cartilage engineering and osteoarthritic cartilage repair. Cell Mol Life Sci 2022; 79:71. [PMID: 35029764 PMCID: PMC9805356 DOI: 10.1007/s00018-021-04105-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/01/2021] [Accepted: 12/18/2021] [Indexed: 01/16/2023]
Abstract
In the cartilage matrix, complex interactions occur between angiogenic and anti-angiogenic components, growth factors, and environmental stressors to maintain a proper cartilage phenotype that allows for effective load bearing and force distribution. However, as seen in both degenerative disease and tissue engineering, cartilage can lose its vascular resistance. This vascularization then leads to matrix breakdown, chondrocyte apoptosis, and ossification. Research has shown that articular cartilage inflammation leads to compromised joint function and decreased clinical potential for regeneration. Unfortunately, few articles comprehensively summarize what we have learned from previous investigations. In this review, we summarize our current understanding of the factors that stabilize chondrocytes to prevent terminal differentiation and applications of these factors to rescue the cartilage phenotype during cartilage engineering and osteoarthritis treatment. Inhibiting vascularization will allow for enhanced phenotypic stability so that we are able to develop more stable implants for cartilage repair and regeneration.
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21
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Hibbitts AJ, Kočí Z, Kneafsey S, Matsiko A, Žilić L, Dervan A, Hinton P, Chen G, Cavanagh B, Dowling J, McCoy C, Buckley CT, Archibald SJ, O'Brien FJ. Multi-Factorial Nerve Guidance Conduit Engineering Improves Outcomes in Inflammation, Angiogenesis and Large Defect Nerve Repair. Matrix Biol 2022; 106:34-57. [PMID: 35032612 DOI: 10.1016/j.matbio.2022.01.002] [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: 02/14/2021] [Revised: 11/13/2021] [Accepted: 01/05/2022] [Indexed: 12/20/2022]
Abstract
Nerve guidance conduits (NGCs) are sub-optimal for long-distance injuries with inflammation and poor vascularization related to poor axonal repair. This study used a multi-factorial approach to create an optimized biomaterial NGC to address each of these issues. Through stepwise optimization, a collagen-chondroitin-6-sulphate (Coll-CS) biomaterial was functionalized with extracellular matrix (ECM) components; fibronectin, laminin 1 and laminin 2 (FibL1L2) in specific ratios. A snap-cooled freeze-drying process was then developed with optimal pore architecture and alignment to guide axonal bridging. Culture of adult rat dorsal root ganglia on NGCs demonstrated significant improvements in inflammation, neurogenesis and angiogenesis in the specific Fib:L1:L2 ratio of 1:4:1. In clinically relevant, large 15 mm rat sciatic nerve defects, FibL1L2-NGCs demonstrated significant improvements in axonal density and angiogenesis compared to unmodified NGCs with functional equivalence to autografts. Therefore, a multiparameter ECM-driven strategy can significantly improve axonal repair across large defects, without exogenous cells or growth factors.
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Affiliation(s)
- Alan J Hibbitts
- Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; Trinity Centre for Biomedical Engineering, Trinity College Dublin, The University of Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | - Zuzana Kočí
- Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; Trinity Centre for Biomedical Engineering, Trinity College Dublin, The University of Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | - Simone Kneafsey
- Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; Trinity Centre for Biomedical Engineering, Trinity College Dublin, The University of Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | - Amos Matsiko
- Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; Trinity Centre for Biomedical Engineering, Trinity College Dublin, The University of Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | - Leyla Žilić
- Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; Trinity Centre for Biomedical Engineering, Trinity College Dublin, The University of Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | - Adrian Dervan
- Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; Trinity Centre for Biomedical Engineering, Trinity College Dublin, The University of Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | - Paige Hinton
- Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; Trinity Centre for Biomedical Engineering, Trinity College Dublin, The University of Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | - Gang Chen
- Department of Physiology and Medical Physics, Centre for the Study of Neurological Disorders, Microsurgical Research and Training Facility (MRTF), RCSI, Dublin, Ireland
| | | | - Jennifer Dowling
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, D02 YN77 Dublin, Ireland
| | - Claire McCoy
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, D02 YN77 Dublin, Ireland
| | - Conor T Buckley
- Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; Trinity Centre for Biomedical Engineering, Trinity College Dublin, The University of Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
| | | | - Fergal J O'Brien
- Tissue Engineering Research Group, Dept. of Anatomy & Regenerative Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland; Trinity Centre for Biomedical Engineering, Trinity College Dublin, The University of Dublin, Dublin, Ireland; Advanced Materials and Bioengineering Research Centre (AMBER), RCSI and TCD, Dublin, Ireland
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22
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Afzali MF, Radakovich LB, Sykes MM, Campbell MA, Patton KM, Sanford JL, Vigon N, Ek R, Narez GE, Marolf AJ, Sikes KJ, Haut Donahue TL, Santangelo KS. Early removal of the infrapatellar fat pad/synovium complex beneficially alters the pathogenesis of moderate stage idiopathic knee osteoarthritis in male Dunkin Hartley guinea pigs. Arthritis Res Ther 2022; 24:282. [PMID: 36578046 PMCID: PMC9795160 DOI: 10.1186/s13075-022-02971-y] [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: 09/16/2022] [Accepted: 12/02/2022] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND The infrapatellar fat pad (IFP) is the largest adipose deposit in the knee; however, its contributions to the homeostasis of this organ remain undefined. To determine the influence of the IFP and its associated synovium (IFP/synovium complex or IFP/SC) on joint health, this study evaluated the progression of osteoarthritis (OA) following excision of this unit in a rodent model of naturally-occurring disease. METHODS Male Dunkin-Hartley guinea pigs (n=18) received surgical removal of the IFP in one knee at 3 months of age; contralateral knees received sham surgery as matched internal controls. Mobility and gait assessments were performed prior to IFP/SC removal and monthly thereafter. Animals were harvested at 7 months of age. Ten set of these knees were processed for microcomputed tomography (microCT), histopathology, transcript expression analyses, and immunohistochemistry (IHC); 8 sets of knees were dedicated to microCT and biomechanical testing (material properties of knee joints tissues and anterior drawer laxity). RESULTS Fibrous connective tissue (FCT) developed in place of the native adipose depot. Gait demonstrated no significant differences between IFP/SC removal and contralateral hindlimbs. MicroCT OA scores were improved in knees containing the FCT. Quantitatively, IFP/SC-containing knees had more osteophyte development and increased trabecular volume bone mineral density (vBMD) in femora and tibiae. Histopathology confirmed maintenance of articular cartilage structure, proteoglycan content, and chondrocyte cellularity in FCT-containing knees. Transcript analyses revealed decreased expression of adipose-related molecules and select inflammatory mediators in FCTs compared to IFP/SCs. This was verified via IHC for two key inflammatory agents. The medial articular cartilage in knees with native IFP/SCs showed an increase in equilibrium modulus, which correlated with increased amounts of magnesium and phosphorus. DISCUSSION/CONCLUSION Formation of the FCT resulted in reduced OA-associated changes in both bone and cartilage. This benefit may be associated with: a decrease in inflammatory mediators at transcript and protein levels; and/or improved biomechanical properties. Thus, the IFP/SC may play a role in the pathogenesis of knee OA in this strain, with removal prior to disease onset appearing to have short-term benefits.
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Affiliation(s)
- Maryam F. Afzali
- grid.47894.360000 0004 1936 8083Department of Microbiology, Immunology and Pathology, Colorado State University, 200 West Lake Street, Fort Collins, CO 80523 USA
| | - Lauren B. Radakovich
- grid.47894.360000 0004 1936 8083Department of Microbiology, Immunology and Pathology, Colorado State University, 200 West Lake Street, Fort Collins, CO 80523 USA
| | - Madeline M. Sykes
- grid.47894.360000 0004 1936 8083Department of Microbiology, Immunology and Pathology, Colorado State University, 200 West Lake Street, Fort Collins, CO 80523 USA
| | - Margaret A. Campbell
- grid.47894.360000 0004 1936 8083Department of Microbiology, Immunology and Pathology, Colorado State University, 200 West Lake Street, Fort Collins, CO 80523 USA
| | - Kayley M. Patton
- grid.47894.360000 0004 1936 8083Department of Microbiology, Immunology and Pathology, Colorado State University, 200 West Lake Street, Fort Collins, CO 80523 USA
| | - Joseph L. Sanford
- grid.47894.360000 0004 1936 8083Department of Microbiology, Immunology and Pathology, Colorado State University, 200 West Lake Street, Fort Collins, CO 80523 USA
| | - Nicole Vigon
- grid.266683.f0000 0001 2166 5835Department of Biomedical Engineering, S631 Life Sciences Laboratory, University of Massachusetts, Amherst, 240 Thatcher Road, Amherst, MA 01003 USA
| | - Ryan Ek
- grid.266683.f0000 0001 2166 5835Department of Biomedical Engineering, S631 Life Sciences Laboratory, University of Massachusetts, Amherst, 240 Thatcher Road, Amherst, MA 01003 USA
| | - Gerardo E. Narez
- grid.266683.f0000 0001 2166 5835Department of Biomedical Engineering, S631 Life Sciences Laboratory, University of Massachusetts, Amherst, 240 Thatcher Road, Amherst, MA 01003 USA
| | - Angela J. Marolf
- grid.47894.360000 0004 1936 8083Department of Environmental and Radiological Health Sciences, Colorado State University, 123 Flint Cancer Center, Fort Collins, CO 80523 USA
| | - Katie J. Sikes
- grid.47894.360000 0004 1936 8083Department of Clinical Sciences, Colorado State University, 1678 Clinical Sciences, Fort Collins, CO 80523 USA
| | - Tammy L. Haut Donahue
- grid.56061.340000 0000 9560 654XBiomedical Engineering Department, The University of Memphis, 3806 Norriswood, Memphis, TN 38152 USA
| | - Kelly S. Santangelo
- grid.47894.360000 0004 1936 8083Department of Microbiology, Immunology and Pathology, Colorado State University, 200 West Lake Street, Fort Collins, CO 80523 USA
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Mechanosignalling in cartilage: an emerging target for the treatment of osteoarthritis. Nat Rev Rheumatol 2021; 18:67-84. [PMID: 34934171 DOI: 10.1038/s41584-021-00724-w] [Citation(s) in RCA: 102] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/18/2021] [Indexed: 12/12/2022]
Abstract
Mechanical stimuli have fundamental roles in articular cartilage during health and disease. Chondrocytes respond to the physical properties of the cartilage extracellular matrix (ECM) and the mechanical forces exerted on them during joint loading. In osteoarthritis (OA), catabolic processes degrade the functional ECM and the composition and viscoelastic properties of the ECM produced by chondrocytes are altered. The abnormal loading environment created by these alterations propagates cell dysfunction and inflammation. Chondrocytes sense their physical environment via an array of mechanosensitive receptors and channels that activate a complex network of downstream signalling pathways to regulate several cell processes central to OA pathology. Advances in understanding the complex roles of specific mechanosignalling mechanisms in healthy and OA cartilage have highlighted molecular processes that can be therapeutically targeted to interrupt pathological feedback loops. The potential for combining these mechanosignalling targets with the rapidly expanding field of smart mechanoresponsive biomaterials and delivery systems is an emerging paradigm in OA treatment. The continued advances in this field have the potential to enable restoration of healthy mechanical microenvironments and signalling through the development of precision therapeutics, mechanoregulated biomaterials and drug systems in the near future.
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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: 9] [Impact Index Per Article: 3.0] [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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Kan S, Duan M, Liu Y, Wang C, Xie J. Role of Mitochondria in Physiology of Chondrocytes and Diseases of Osteoarthritis and Rheumatoid Arthritis. Cartilage 2021; 13:1102S-1121S. [PMID: 34894777 PMCID: PMC8804744 DOI: 10.1177/19476035211063858] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
PURPOSE OF REVIEW Mitochondria are recognized to be one of the most important organelles in chondrocytes for their role in triphosphate (ATP) generation through aerobic phosphorylation. Mitochondria also participate in many intracellular processes involving modulating reactive oxygen species (ROS), responding to instantaneous hypoxia stress, regulating cytoplasmic transport of calcium ion, and directing mitophagy to maintain the homeostasis of individual chondrocytes. DESIGNS To summarize the specific role of mitochondria in chondrocytes, we screened related papers in PubMed database and the search strategy is ((mitochondria) AND (chondrocyte)) AND (English [Language]). The articles published in the past 5 years were included and 130 papers were studied. RESULTS In recent years, the integrity of mitochondrial structure has been regarded as a prerequisite for normal chondrocyte survival and defect in mitochondrial function has been found in cartilage-related diseases, such as osteoarthritis (OA) and rheumatoid arthritis (RA). However, the understanding of mitochondria in cartilage is still largely limited. The mechanism on how the changes in mitochondrial structure and function directly lead to the occurrence and development of cartilage-related diseases remains to be elusive. CONCLUSION This review aims to summarize the role of mitochondria in chondrocytes under the physiological and pathological changes from ATP generation, calcium homeostasis, redox regulation, mitophagy modulation, mitochondria biogenesis to immune response activation. The enhanced understanding of molecular mechanisms in mitochondria might offer some new cues for cartilage remodeling and pathological intervention.
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Affiliation(s)
- Shiyi Kan
- State Key Laboratory of Oral Diseases,
West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mengmeng Duan
- State Key Laboratory of Oral Diseases,
West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yang Liu
- State Key Laboratory of Oral Diseases,
West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chunli Wang
- “111” Project Laboratory of
Biomechanics and Tissue Repair, Bioengineering College, Chongqing University,
Chongqing, China
| | - Jing Xie
- State Key Laboratory of Oral Diseases,
West China Hospital of Stomatology, Sichuan University, Chengdu, China,“111” Project Laboratory of
Biomechanics and Tissue Repair, Bioengineering College, Chongqing University,
Chongqing, China,Lab of Bone & Joint Disease, State
Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan
University, Chengdu, China,Jing Xie, Lab of Bone & Joint Disease,
State Key Laboratory of Oral Diseases, West China Hospital of Stomatology,
Sichuan University, Chengdu 610064, Sichuan, China.
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26
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Stone AV, Loeser RF, Callahan MF, McNulty MA, Long DL, Yammani RR, Bean S, Vanderman K, Chubinskaya S, Ferguson CM. Role of the Hypoxia-Inducible Factor Pathway in Normal and Osteoarthritic Meniscus and in Mice after Destabilization of the Medial Meniscus. Cartilage 2021; 13:1442S-1455S. [PMID: 32940061 PMCID: PMC8804812 DOI: 10.1177/1947603520958143] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVE Meniscus injury and the hypoxia-inducible factor (HIF) pathway are independently linked to osteoarthritis pathogenesis, but the role of the meniscus HIF pathway remains unclear. We sought to identify and evaluate HIF pathway response in normal and osteoarthritic meniscus and to examine the effects of Epas1 (HIF-2α) insufficiency in mice on early osteoarthritis development. METHODS Normal and osteoarthritic human meniscus specimens were obtained and used for immunohistochemical evaluation and cell culture studies for the HIF pathway. Meniscus cells were treated with pro-inflammatory stimuli, including interleukins (IL)-1β, IL-6, transforming growth factor (TGF)-α, and fibronectin fragments (FnF). Target genes were also evaluated with HIF-1α and HIF-2α (Epas1) overexpression and knockdown. Wild-type (n = 36) and Epas1+/- (n = 30) heterozygous mice underwent destabilization of the medial meniscus (DMM) surgery and were evaluated at 2 and 4 weeks postoperatively for osteoarthritis development using histology. RESULTS HIF-1α and HIF-2α immunostaining and gene expression did not differ between normal and osteoarthritic meniscus. While pro-inflammatory stimulation significantly increased both catabolic and anabolic gene expression in the meniscus, HIF-1α and Epas1 expression levels were not significantly altered. Epas1 overexpression significantly increased Col2a1 expression. Both wild-type and Epas1+/- mice developed osteoarthritis following DMM surgery. There were no significant differences between genotypes at either time point. CONCLUSION The HIF pathway is likely not responsible for osteoarthritic changes in the human meniscus. Additionally, Epas1 insufficiency does not protect against osteoarthritis development in the mouse at early time points after DMM surgery. The HIF pathway may be more important for protection against catabolic stress.
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Affiliation(s)
- Austin V Stone
- Division of Sports Medicine, Department of Orthopaedic Surgery & Sports Medicine, University of Kentucky, Lexington, KY, USA
| | - Richard F Loeser
- Division of Rheumatology, Allergy and Immunology and the Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA
| | - Michael F Callahan
- Division of Sports Medicine, Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Margaret A McNulty
- Department of Anatomy, Cell Biology, & Physiology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - David L Long
- Division of Molecular Medicine, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Raghunatha R Yammani
- Division of Molecular Medicine, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Sara Bean
- University of Kentucky School of Medicine, Lexington, KY, USA
| | - Kadie Vanderman
- Division of Molecular Medicine, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Susan Chubinskaya
- Department of Pediatrics, Rush University Medical Center, Chicago, IL, USA
| | - Cristin M Ferguson
- Division of Sports Medicine, Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
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Matrix Metalloproteinases Inhibition by Doxycycline Rescues Extracellular Matrix Organization and Partly Reverts Myofibroblast Differentiation in Hypermobile Ehlers-Danlos Syndrome Dermal Fibroblasts: A Potential Therapeutic Target? Cells 2021; 10:cells10113236. [PMID: 34831458 PMCID: PMC8621259 DOI: 10.3390/cells10113236] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/17/2021] [Accepted: 11/18/2021] [Indexed: 12/17/2022] Open
Abstract
Hypermobile Ehlers-Danlos syndrome (hEDS) is the most frequent type of EDS and is characterized by generalized joint hypermobility and musculoskeletal manifestations which are associated with chronic pain, and mild skin involvement along with the presence of more than a few comorbid conditions. Despite numerous research efforts, no causative gene(s) or validated biomarkers have been identified and insights into the disease-causing mechanisms remain scarce. Variability in the spectrum and severity of symptoms and progression of hEDS patients’ phenotype likely depend on a combination of age, gender, lifestyle, and the probable multitude of genes involved in hEDS. However, considering the clinical overlap with other EDS forms, which lead to abnormalities in extracellular matrix (ECM), it is plausible that the mechanisms underlying hEDS pathogenesis also affect the ECM to a certain extent. Herein, we performed a series of in vitro studies on the secretome of hEDS dermal fibroblasts that revealed a matrix metalloproteinases (MMPs) dysfunction as one of the major disease drivers by causing a detrimental feedback loop of excessive ECM degradation coupled with myofibroblast differentiation. We demonstrated that doxycycline-mediated inhibition of MMPs rescues in hEDS cells a control-like ECM organization and induces a partial reversal of their myofibroblast-like features, thus offering encouraging clues for translational studies confirming MMPs as a potential therapeutic target in hEDS with the expectation to improve patients’ quality of life and alleviate their disabilities.
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Tran TT, Song WH, Lee G, Kim HS, Park D, Huh YH, Ryu JH. Avenanthramide C as a novel candidate to alleviate osteoarthritic pathogenesis. BMB Rep 2021. [PMID: 34488936 PMCID: PMC8560463 DOI: 10.5483/bmbrep.2021.54.10.108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Thanh-Tam Tran
- Department of Pharmacology and Dental Therapeutics, School of Dentistry, Chonnam National University, Gwangju 61186, Korea
| | - Won-Hyun Song
- Hard-tissue Biointerface Research Center, School of Dentistry, Chonnam National University, Gwangju 61186, Korea
| | - Gyuseok Lee
- Hard-tissue Biointerface Research Center, School of Dentistry, Chonnam National University, Gwangju 61186, Korea
| | - Hyung Seok Kim
- Department of Forensic Science, Chonnam National University Medical School, Hwasun 58128, Korea
| | - Daeho Park
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
| | - Yun Hyun Huh
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Korea
| | - Je-Hwang Ryu
- Department of Pharmacology and Dental Therapeutics, School of Dentistry, Chonnam National University, Gwangju 61186, Korea
- Hard-tissue Biointerface Research Center, School of Dentistry, Chonnam National University, Gwangju 61186, Korea
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Lu HT, Lu JW, Lee CH, Peng YJ, Lee HS, Chu YH, Ho YJ, Liu FC, Shen PH, Wang CC. Attenuative Effects of Platelet-Rich Plasma on 30 kDa Fibronectin Fragment-Induced MMP-13 Expression Associated with TLR2 Signaling in Osteoarthritic Chondrocytes and Synovial Fibroblasts. J Clin Med 2021; 10:4496. [PMID: 34640514 PMCID: PMC8509240 DOI: 10.3390/jcm10194496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 12/20/2022] Open
Abstract
Proteolytic fragments of fibronectin can have catabolic effects on cartilage, menisci, and synovium. Previous studies have reported that Toll-like receptor (TLR) signaling pathways might be associated with joint inflammation and joint destruction. Platelet-rich plasma (PRP) is increasingly being used to treat a range of joint conditions; however, it has yet to be determined whether PRP influences fibronectin fragment (FN-f) procatabolic activity and TLRs. In this study, human primary culture cells were treated with 30 kDa FN-f with/without PRP co-incubation, and then analyzed using real-time PCR to determine gene expression levels in articular chondrocytes, meniscal fibrochondrocytes, and synovial fibroblasts. Protein levels were evaluated by Western immunoblotting. This study observed an increase in the protein expression of matrix metalloproteinases (MMPs), Toll-like receptor 2 (TLR2), nitric oxide synthase 2 (NOS2), prostaglandin-endoperoxide synthase (PTGS2), and cyclooxygenase 2 (COX2) in articular chondrocytes, meniscal fibrochondrocytes, and synovial fibroblasts following insult with 30 kDa FN-f. Upregulation of these genes was significantly attenuated by PRP treatment. TLR2 and matrix metalloproteinase 13 (MMP-13) were also significantly attenuated by cotreatment with 30 kDa FN-f + PRP + TLR2 inhibitor. PRP treatment was shown to attenuate the 30 kDa FN-f-induced MMP-13 expression associated with the decreased expression of TLR2 in osteoarthritic chondrocytes and synovial fibroblasts. PRP treatment was also shown to attenuate procatabolic activity associated with MMP-13 expression via the TLR2 signaling pathway.
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Affiliation(s)
- Hsien-Tsung Lu
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan; (H.-T.L.); (C.-H.L.)
| | - Jeng-Wei Lu
- Antimicrobial Resistance Interdisciplinary Research Group, Singapore-MIT-Alliance for Research and Technology, Singapore 138602, Singapore;
| | - Chian-Her Lee
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University Hospital, Taipei Medical University, Taipei 110, Taiwan; (H.-T.L.); (C.-H.L.)
| | - Yi-Jen Peng
- Department of Pathology, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan;
| | - Herng-Sheng Lee
- Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan;
| | - You-Hsiang Chu
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan; (Y.-H.C.); (Y.-J.H.)
| | - Yi-Jung Ho
- Graduate Institute of Life Sciences, National Defense Medical Center, Taipei 114, Taiwan; (Y.-H.C.); (Y.-J.H.)
- School of Pharmacy, National Defense Medical Center, Taipei 114, Taiwan
| | - Feng-Cheng Liu
- Rheumatology/Immunology and Allergy, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan;
| | - Pei-Hung Shen
- Department of Orthopedics, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan;
| | - Chih-Chien Wang
- Department of Orthopedics, Tri-Service General Hospital, National Defense Medical Center, Taipei 114, Taiwan;
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Huang SE, Sulistyowati E, Chao YY, Wu BN, Dai ZK, Hsu JH, Yeh JL. In Vitro Evaluation of the Anti-Inflammatory Effect of KMUP-1 and In Vivo Analysis of Its Therapeutic Potential in Osteoarthritis. Biomedicines 2021; 9:biomedicines9060615. [PMID: 34071594 PMCID: PMC8227391 DOI: 10.3390/biomedicines9060615] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/25/2021] [Accepted: 05/26/2021] [Indexed: 12/17/2022] Open
Abstract
Osteoarthritis is a degenerative arthropathy that is mainly characterized by dysregulation of inflammatory responses. KMUP-1, a derived chemical synthetic of xanthine, has been shown to have anti-inflammatory and antioxidant properties. Here, we aimed to investigate the in vitro anti-inflammatory and in vivo anti-osteoarthritis effects of KMUP-1. Protein and gene expressions of inflammation markers were determined by ELISA, Western blotting and microarray, respectively. RAW264.7 mouse macrophages were cultured and pretreated with KMUP-1 (1, 5, 10 μM). The productions of TNF-α, IL-6, MMP-2 and MMP- 9 were reduced by KMUP-1 pretreatment in LPS-induced inflammation of RAW264.7 cells. The expressions of iNOS, TNF-α, COX-2, MMP-2 and MMP-9 were also inhibited by KMUP-1 pretreatment. The gene expression levels of TNF and COX families were also downregulated. In addition, KMUP-1 suppressed the activations of ERK, JNK and p38 as well as phosphorylation of IκBα/NF-κB signaling pathways. Furthermore, SIRT1 inhibitor attenuated the inhibitory effect of KMUP-1 in LPS-induced NF-κB activation. In vivo study showed that KMUP-1 reduced mechanical hyperalgesia in monoiodoacetic acid (MIA)-induced rats OA. Additionally, KMUP-1 pretreatment reduced the serum levels of TNF-α and IL-6 in MIA-injected rats. Moreover, macroscopic and histological observation showed that KMUP-1 reduced articular cartilage erosion in rats. Our results demonstrated that KMUP-1 inhibited the inflammatory responses and restored SIRT1 in vitro, alleviated joint-related pain and cartilage destruction in vivo. Taken together, KMUP-1 has the potential to improve MIA-induced articular cartilage degradation by inhibiting the levels and expression of inflammatory mediators suggesting that KMUP-1 might be a potential therapeutic agent for OA.
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Affiliation(s)
- Shang-En Huang
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-E.H.); (E.S.); (B.-N.W.); (Z.-K.D.)
| | - Erna Sulistyowati
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-E.H.); (E.S.); (B.-N.W.); (Z.-K.D.)
- Faculty of Medicine, University of Islam Malang, Malang 65146, Indonesia
| | - Yu-Ying Chao
- Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Bin-Nan Wu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-E.H.); (E.S.); (B.-N.W.); (Z.-K.D.)
- Department of Pharmacology, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Zen-Kong Dai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-E.H.); (E.S.); (B.-N.W.); (Z.-K.D.)
- Department of Pediatrics, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Department of Pediatrics, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Jong-Hau Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-E.H.); (E.S.); (B.-N.W.); (Z.-K.D.)
- Department of Pediatrics, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Department of Pediatrics, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Correspondence: (J.-H.H.); (J.-L.Y.); Tel.: +886-7-3121101 (ext. 6507) (J.-H.H.); +886-7-3121101 (ext. 2139) (J.-L.Y.)
| | - Jwu-Lai Yeh
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-E.H.); (E.S.); (B.-N.W.); (Z.-K.D.)
- Department of Pharmacology, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
- Correspondence: (J.-H.H.); (J.-L.Y.); Tel.: +886-7-3121101 (ext. 6507) (J.-H.H.); +886-7-3121101 (ext. 2139) (J.-L.Y.)
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Reed KSM, Ulici V, Kim C, Chubinskaya S, Loeser RF, Phanstiel DH. Transcriptional response of human articular chondrocytes treated with fibronectin fragments: an in vitro model of the osteoarthritis phenotype. Osteoarthritis Cartilage 2021; 29:235-247. [PMID: 33248223 PMCID: PMC7870543 DOI: 10.1016/j.joca.2020.09.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 08/19/2020] [Accepted: 09/14/2020] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Fibronectin is a matrix protein that is fragmented during cartilage degradation in osteoarthritis (OA). Treatment of chondrocytes with fibronectin fragments (FN-f) has been used to model OA in vitro, but the system has not been fully characterized. This study sought to define the transcriptional response of chondrocytes to FN-f, and directly compare it to responses traditionally observed in OA. DESIGN Normal human femoral chondrocytes isolated from tissue donors were treated with either FN-f or PBS (control) for 3, 6, or 18 h. RNA-seq libraries were compared between time-matched FN-f and control samples in order to identify changes in gene expression over time. Differentially expressed genes were compared to a published OA gene set and used for pathway, transcription factor motif, and kinome analysis. RESULTS FN-f treatment resulted in 3,914 differentially expressed genes over the time course. Genes that are up- or downregulated in OA were significantly up- (P < 0.00001) or downregulated (P < 0.0004) in response to FN-f. Early response genes were involved in proinflammatory pathways, whereas many late response genes were involved in ferroptosis. The promoters of upregulated genes were enriched for NF-κB, AP-1, and IRF motifs. Highly upregulated kinases included CAMK1G, IRAK2, and the uncharacterized kinase DYRK3, while growth factor receptors TGFBR2 and FGFR2 were downregulated. CONCLUSIONS FN-f treatment of normal human articular chondrocytes recapitulated many key aspects of the OA chondrocyte phenotype. This in vitro model is promising for future OA studies, especially considering its compatibility with genomics and genome-editing techniques.
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Affiliation(s)
- K S M Reed
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA; Curriculum in Genetics and Molecular Biology, University of North Carolina, Chapel Hill, NC, 27599, USA.
| | - V Ulici
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA; Division of Rheumatology, Allergy and Immunology, University of North Carolina, Chapel Hill, NC, USA.
| | - C Kim
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA; Division of Rheumatology, Allergy and Immunology, University of North Carolina, Chapel Hill, NC, USA.
| | - S Chubinskaya
- Department of Pediatrics, Rush University Medical Center, Chicago, IL, USA.
| | - R F Loeser
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA; Division of Rheumatology, Allergy and Immunology, University of North Carolina, Chapel Hill, NC, USA.
| | - D H Phanstiel
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA; Curriculum in Genetics and Molecular Biology, University of North Carolina, Chapel Hill, NC, 27599, USA; Department of Cell Biology and Physiology, University of North Carolina, Chapel Hill, NC, USA.
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Lan Q, Lu R, Chen H, Pang Y, Xiong F, Shen C, Qin Z, Zheng L, Xu G, Zhao J. MMP-13 enzyme and pH responsive theranostic nanoplatform for osteoarthritis. J Nanobiotechnology 2020; 18:117. [PMID: 32854712 PMCID: PMC7450974 DOI: 10.1186/s12951-020-00666-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Accepted: 07/20/2020] [Indexed: 01/11/2023] Open
Abstract
Stimulus-responsive therapy permits precise control of therapeutic effect only at lesion of interest, which determines it a promising method for diagnosis and imaging-guided precision therapy. The acid environment and overexpressed matrix metalloproteinases-13 (MMP-13) are typical markers in osteoarthritis (OA), which enables the development of stimulus-responsive drug delivery system with high specificity for OA. We herein demonstrate a nano-micelle based stimuli-responsive theranostic strategy with reporting and drug release controlled by acidic pH and MMP-13 for OA therapy. Such nanoplatform is incorporated with a motif specifically targeting on cartilage, a motif responsive to matrix metalloproteinases-13 to specifically report OA condition and biodynamics of nano-micelles, an anti-inflammatory drug (e.g., psoralidin (PSO)) from traditional Chinese medicine, and a biocompatible polymeric skeleton for sustainable drug release in response to the acidic OA condition. The high effectiveness of this targeted precision therapy is demonstrated comprehensively by both in vitro and vivo evidences.
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Affiliation(s)
- Qiumei Lan
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
| | - Rongbin Lu
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
- Research Centre for Regenerative Medicine, Department of Orthopedics, The First Affiliated Hospital of Gaungxi Medical University, Nanning, 530021 China
- Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
| | - Haimin Chen
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
| | - Yunfen Pang
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
| | - Feng Xiong
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
| | - Chong Shen
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
- Guangxi Collaborative Innovation Center for Biomedicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
| | - Zainen Qin
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
- Guangxi Collaborative Innovation Center for Biomedicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
| | - Li Zheng
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
- Research Centre for Regenerative Medicine, Department of Orthopedics, The First Affiliated Hospital of Gaungxi Medical University, Nanning, 530021 China
- Guangxi Collaborative Innovation Center for Biomedicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
| | - Guojie Xu
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
- Research Centre for Regenerative Medicine, Department of Orthopedics, The First Affiliated Hospital of Gaungxi Medical University, Nanning, 530021 China
- Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
| | - Jinmin Zhao
- Guangxi Engineering Center in Biomedical Materials for Tissue and Organ Regeneration, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
- Research Centre for Regenerative Medicine, Department of Orthopedics, The First Affiliated Hospital of Gaungxi Medical University, Nanning, 530021 China
- Guangxi Collaborative Innovation Center for Biomedicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
- Department of Orthopaedics Trauma and Hand Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021 China
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Bariguian Revel F, Fayet M, Hagen M. Topical Diclofenac, an Efficacious Treatment for Osteoarthritis: A Narrative Review. Rheumatol Ther 2020; 7:217-236. [PMID: 32086778 PMCID: PMC7211216 DOI: 10.1007/s40744-020-00196-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Indexed: 12/26/2022] Open
Abstract
Multiple head-to-head trials have demonstrated that topical nonsteroidal anti-inflammatory drugs (NSAIDs), including topical diclofenac, provide at least equivalent analgesia, improvement in physical function, and reduction of stiffness compared with oral NSAIDs in osteoarthritis and have fewer systemic adverse events. While efficacy of topical diclofenac in osteoarthritis is well established, understanding of the time to onset of action, duration of effect, and the minimum effective concentration is limited. Factors likely to influence these parameters include drug penetration and localization. Diclofenac concentrations in the joint tissues are likely to be more relevant than plasma concentrations. However, although diclofenac penetrates and is retained in these "effect compartments" at the site of inflammation and drug activity, no specific minimum effective concentration of diclofenac in plasma or synovial tissue has been identified. Recent evidence suggests that a reduction in inflammatory markers may be a better predictor of efficacy than plasma concentrations. This narrative review explores existing evidence in these areas and identifies the gaps where further research is needed. Based on our findings, topical NSAIDs such as diclofenac should be considered as a guideline-supported, generally well-tolerated, and effective first-line treatment option for knee and hand OA, especially for older patients and those who have comorbid conditions and/or risk factors for various systemic (gastrointestinal, hepatic, renal, or cardiovascular) adverse events associated with oral NSAIDs, particularly at high doses and with long-term use.
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Affiliation(s)
| | - Marina Fayet
- GSK Consumer Healthcare S.A, Route de l'Etraz 2, 1260, Nyon, Switzerland
| | - Martina Hagen
- GSK Consumer Healthcare S.A, Route de l'Etraz 2, 1260, Nyon, Switzerland.
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Łęgosz P, Sarzyńska S, Pulik Ł, Kotrych D, Małdyk P. The complexity of molecular processes in osteoarthritis of the knee joint. Open Med (Wars) 2020; 15:366-375. [PMID: 33335997 PMCID: PMC7711860 DOI: 10.1515/med-2020-0402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 02/16/2020] [Accepted: 02/25/2020] [Indexed: 01/10/2023] Open
Abstract
Osteoarthritis (OA) is a common medical problem leading to chronic pain and physical disability among the world's population. Analyzing the molecular background of the degenerative arthritis creates the potential for developing novel targeted methods of treatment. Fifty samples of meniscus, anterior cruciate ligaments (ACLs) and articular surfaces were collected from patients who underwent total knee arthroplasty in 2016. Enzyme-linked immunosorbent assay was used to assess the levels of interleukin (IL)-1β, IL-6, tumor necrosis factor (TNF), transforming growth factor-β1 and LUMINEX for MMP-1, MMP-2, MMP-3, MMP-9 and MMP-13. The collected data were correlated with the severity of radiological OA, demographic data and clinical scales. Strong positive correlations in the concentration of metalloproteinases and proinflammatory cytokines, TNF-α (MMP-2 and MMP-13) and IL-6 (MMP-13), were identified. MMP-13 had a positive correlation with the concentration of MMP-1, MMP-2 and MMP-9. Negative correlation coefficient exists between clinical conditions measured with the Western Ontario and McMaster Universities Osteoarthritis Index scale and the level of TNF-α and MMP-1. The TNF-α concentration was lower in the cartilage of the articular surface among patients who took non-steroidal anti-inflammatory drugs periodically. The decrease in MMP-2 in the cartilage of the articular surface corresponded with the severity of radiological OA on the Kellgren-Lawrence scale. Current treatment methods for OA do not stop disease progression. Identifying signaling pathways and molecular particles engaged in OA and their correlations with the patient's clinical condition brings new therapeutic possibilities.
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Affiliation(s)
- Paweł Łęgosz
- Department of Orthopaedics and Traumatology,
1st Faculty of Medicine, Medical
University of Warsaw, Warsaw, Poland
| | - Sylwia Sarzyńska
- Department of Orthopaedics and Traumatology,
1st Faculty of Medicine, Medical
University of Warsaw, Warsaw, Poland
| | - Łukasz Pulik
- Department of Orthopaedics and Traumatology,
1st Faculty of Medicine, Medical
University of Warsaw, Warsaw, Poland
| | - Daniel Kotrych
- Department of Orthopaedics, Traumatology and
Orthopaedic Oncology, Pomeranian Medical University in
Szczecin, Szczecin, Poland
| | - Paweł Małdyk
- Department of Orthopaedics and Traumatology,
1st Faculty of Medicine, Medical
University of Warsaw, Warsaw, Poland
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Yan JF, Qin WP, Xiao BC, Wan QQ, Tay FR, Niu LN, Jiao K. Pathological calcification in osteoarthritis: an outcome or a disease initiator? Biol Rev Camb Philos Soc 2020; 95:960-985. [PMID: 32207559 DOI: 10.1111/brv.12595] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 02/27/2020] [Accepted: 03/02/2020] [Indexed: 12/12/2022]
Abstract
In the progression of osteoarthritis, pathological calcification in the affected joint is an important feature. The role of these crystallites in the pathogenesis and progression of osteoarthritis is controversial; it remains unclear whether they act as a disease initiator or are present as a result of joint damage. Recent studies reported that the molecular mechanisms regulating physiological calcification of skeletal tissues are similar to those regulating pathological or ectopic calcification of soft tissues. Pathological calcification takes place when the equilibrium is disrupted. Calcium phosphate crystallites are identified in most affected joints and the presence of these crystallites is closely correlated with the extent of joint destruction. These observations suggest that pathological calcification is most likely to be a disease initiator instead of an outcome of osteoarthritis progression. Inhibiting pathological crystallite deposition within joint tissues therefore represents a potential therapeutic target in the management of osteoarthritis.
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Affiliation(s)
- Jian-Fei Yan
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
| | - Wen-Pin Qin
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
| | - Bo-Cheng Xiao
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
| | - Qian-Qian Wan
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
| | - Franklin R Tay
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China.,Department of Endodontics, College of Graduate Studies, Augusta University, 1430, John Wesley Gilbert Drive, Augusta, GA, 30912, U.S.A
| | - Li-Na Niu
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
| | - Kai Jiao
- Department of Oral Mucosal Diseases, State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, 145 changle xi road, Xi'an, Shaanxi, 710032, China
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36
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Tseng CC, Chen YJ, Chang WA, Tsai WC, Ou TT, Wu CC, Sung WY, Yen JH, Kuo PL. Dual Role of Chondrocytes in Rheumatoid Arthritis: The Chicken and the Egg. Int J Mol Sci 2020; 21:E1071. [PMID: 32041125 PMCID: PMC7038065 DOI: 10.3390/ijms21031071] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 02/04/2020] [Accepted: 02/04/2020] [Indexed: 12/22/2022] Open
Abstract
Rheumatoid arthritis (RA) is one of the inflammatory joint diseases that display features of articular cartilage destruction. The underlying disturbance results from immune dysregulation that directly and indirectly influence chondrocyte physiology. In the last years, significant evidence inferred from studies in vitro and in the animal model offered a more holistic vision of chondrocytes in RA. Chondrocytes, despite being one of injured cells in RA, also undergo molecular alterations to actively participate in inflammation and matrix destruction in the human rheumatoid joint. This review covers current knowledge about the specific cellular and biochemical mechanisms that account for the chondrocyte signatures of RA and its potential applications for diagnosis and prognosis in RA.
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Affiliation(s)
- Chia-Chun Tseng
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-C.T.); (Y.-J.C.); (W.-A.C.)
- Division of Rheumatology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan; (W.-C.T.); (T.-T.O.); (C.-C.W.); (W.-Y.S.)
| | - Yi-Jen Chen
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-C.T.); (Y.-J.C.); (W.-A.C.)
- Department of Physical Medicine and Rehabilitation, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Wei-An Chang
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-C.T.); (Y.-J.C.); (W.-A.C.)
- School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Division of Pulmonary and Critical Care Medicine, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan
| | - Wen-Chan Tsai
- Division of Rheumatology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan; (W.-C.T.); (T.-T.O.); (C.-C.W.); (W.-Y.S.)
| | - Tsan-Teng Ou
- Division of Rheumatology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan; (W.-C.T.); (T.-T.O.); (C.-C.W.); (W.-Y.S.)
| | - Cheng-Chin Wu
- Division of Rheumatology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan; (W.-C.T.); (T.-T.O.); (C.-C.W.); (W.-Y.S.)
| | - Wan-Yu Sung
- Division of Rheumatology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan; (W.-C.T.); (T.-T.O.); (C.-C.W.); (W.-Y.S.)
| | - Jeng-Hsien Yen
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-C.T.); (Y.-J.C.); (W.-A.C.)
- Division of Rheumatology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 80756, Taiwan; (W.-C.T.); (T.-T.O.); (C.-C.W.); (W.-Y.S.)
| | - Po-Lin Kuo
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-C.T.); (Y.-J.C.); (W.-A.C.)
- Institute of Biomedical Science, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
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The Adipokine Network in Rheumatic Joint Diseases. Int J Mol Sci 2019; 20:ijms20174091. [PMID: 31443349 PMCID: PMC6747092 DOI: 10.3390/ijms20174091] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/18/2019] [Accepted: 08/19/2019] [Indexed: 02/07/2023] Open
Abstract
Rheumatic diseases encompass a diverse group of chronic disorders that commonly affect musculoskeletal structures. Osteoarthritis (OA) and rheumatoid arthritis (RA) are the two most common, leading to considerable functional limitations and irreversible disability when patients are unsuccessfully treated. Although the specific causes of many rheumatic conditions remain unknown, it is generally accepted that immune mechanisms and/or uncontrolled inflammatory responses are involved in their etiology and symptomatology. In this regard, the bidirectional communication between neuroendocrine and immune system has been demonstrated to provide a homeostatic network that is involved in several pathological conditions. Adipokines represent a wide variety of bioactive, immune and inflammatory mediators mainly released by adipocytes that act as signal molecules in the neuroendocrine-immune interactions. Adipokines can also be synthesized by synoviocytes, osteoclasts, osteoblasts, chondrocytes and inflammatory cells in the joint microenvironment, showing potent modulatory properties on different effector cells in OA and RA pathogenesis. Effects of adiponectin, leptin, resistin and visfatin on local and systemic inflammation are broadly described. However, more recently, other adipokines, such as progranulin, chemerin, lipocalin-2, vaspin, omentin-1 and nesfatin, have been recognized to display immunomodulatory actions in rheumatic diseases. This review highlights the latest relevant findings on the role of the adipokine network in the pathophysiology of OA and RA.
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Choi MC, Jo J, Park J, Kang HK, Park Y. NF-κB Signaling Pathways in Osteoarthritic Cartilage Destruction. Cells 2019; 8:cells8070734. [PMID: 31319599 PMCID: PMC6678954 DOI: 10.3390/cells8070734] [Citation(s) in RCA: 300] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 07/15/2019] [Accepted: 07/15/2019] [Indexed: 12/21/2022] Open
Abstract
Osteoarthritis (OA) is a type of joint disease associated with wear and tear, inflammation, and aging. Mechanical stress along with synovial inflammation promotes the degradation of the extracellular matrix in the cartilage, leading to the breakdown of joint cartilage. The nuclear factor-kappaB (NF-κB) transcription factor has long been recognized as a disease-contributing factor and, thus, has become a therapeutic target for OA. Because NF-κB is a versatile and multi-functional transcription factor involved in various biological processes, a comprehensive understanding of the functions or regulation of NF-κB in the OA pathology will aid in the development of targeted therapeutic strategies to protect the cartilage from OA damage and reduce the risk of potential side-effects. In this review, we discuss the roles of NF-κB in OA chondrocytes and related signaling pathways, including recent findings, to better understand pathological cartilage remodeling and provide potential therapeutic targets that can interfere with NF-κB signaling for OA treatment.
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Affiliation(s)
- Moon-Chang Choi
- Department of Biomedical Science, Chosun University, Gwangju 61452, Korea.
| | - Jiwon Jo
- Department of Biomedical Science, Chosun University, Gwangju 61452, Korea
| | - Jonggwan Park
- Department of Bioinformatics, Kongju National University, Kongju 38065, Korea
| | - Hee Kyoung Kang
- Department of Biomedical Science, Chosun University, Gwangju 61452, Korea
| | - Yoonkyung Park
- Department of Biomedical Science, Chosun University, Gwangju 61452, Korea.
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Wu Y, Lin Z, Yan Z, Wang Z, Fu X, Yu K. Sinomenine contributes to the inhibition of the inflammatory response and the improvement of osteoarthritis in mouse-cartilage cells by acting on the Nrf2/HO-1 and NF-κB signaling pathways. Int Immunopharmacol 2019; 75:105715. [PMID: 31310911 DOI: 10.1016/j.intimp.2019.105715] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 06/20/2019] [Accepted: 06/20/2019] [Indexed: 12/18/2022]
Abstract
Pathological changes, such as articular cartilage degeneration, destruction, and hyperosteogeny, are regarded as the main features of osteoarthritis (OA). Sinomenine (SIN) is a monomeric component purified from the plant Sinomenium acutum which has been found to have anti-inflammatory effects, however, the mechanism of action of SIN on OA is not clear. In this study, we evaluated whether SIN could regulate the inflammatory response induced by interleukin (IL)-1β and improve outcomes in the instability model of OA (medial meniscus mice (DMM)) by acting on the Nrf2/HO-1 and NF-κ B signaling pathways in chondrocytes. From our experiments, which include Griess reaction, ELISA, Western blot, and immunofluorescence, we found that SIN not only down-regulated the expression of pro-inflammatory factors induced by IL-1β, including; inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), nitricoxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor alpha (TNF-α) and interleukin-6 (IL-6), but also decreased the production of IL-1β-induced cartilage matrix catabolic enzymes including; ADAMTS-5 and MMPs, in mouse chondrocytes. In addition, the degradation of aggrecan and type II collagen protein in the extracellular matrix (ECM) stimulated by IL-1β was reversed. Most importantly, we have revealed for the first time that in OA, SIN inhibited the inflammatory response and ECM degradation by activating the Nrf2/HO-1 signaling pathways and inhibiting NF-κB activity in mouse-cartilage cells. In in vivo experiments, SIN treatment helped to improve the cartilage destruction in OA model mice. In conclusion, this study has demonstrated that SIN inhibits the IL-1β-induced inflammatory response and cartilage destruction by activating the Nrf2/HO-1 signaling pathway and inhibiting the NF-κB signaling pathway in mouse chondrocytes, suggesting a new use for SIN in the treatment of OA.
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Affiliation(s)
- Yifan Wu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, PR China; Zhejiang Provincial Key Laboratory of Orthpaedics, Wenzhou, Zhejiang 325000, PR China; The Second School of Medicine, WenZhou Medical University, Wenzhou, Zhejiang 325000, PR China
| | - Zeng Lin
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, PR China; Zhejiang Provincial Key Laboratory of Orthpaedics, Wenzhou, Zhejiang 325000, PR China; The Second School of Medicine, WenZhou Medical University, Wenzhou, Zhejiang 325000, PR China
| | - Zijian Yan
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, PR China; Zhejiang Provincial Key Laboratory of Orthpaedics, Wenzhou, Zhejiang 325000, PR China; The Second School of Medicine, WenZhou Medical University, Wenzhou, Zhejiang 325000, PR China
| | - Zhanghong Wang
- Department of Anesthesiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, PR China; The Second School of Medicine, WenZhou Medical University, Wenzhou, Zhejiang 325000, PR China
| | - Xin Fu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, PR China; Zhejiang Provincial Key Laboratory of Orthpaedics, Wenzhou, Zhejiang 325000, PR China; The Second School of Medicine, WenZhou Medical University, Wenzhou, Zhejiang 325000, PR China
| | - Kehe Yu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, PR China.
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40
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Yi X, Xu E, Xiao Y, Cai X. Evaluation of the Relationship Between Common Variants in the TLR-9 Gene and Hip Osteoarthritis Susceptibility. Genet Test Mol Biomarkers 2019; 23:373-379. [PMID: 31066581 DOI: 10.1089/gtmb.2019.0010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Objective: Hip osteoarthritis (HOA) is one of the most common types of osteoarthritis and affects nearly 10% of men and 18% of women who are >60 years of age worldwide. It has been demonstrated to be a genetic disease with a 50% heritability risk. Recently, the TLR-9 gene has been associated with knee OA in both Turkish and Chinese populations, but the relationship between the TLR-9 gene and HOA has not been evaluated. In this study, we aimed to evaluate the relationship between the common genetic variants in the TLR-9 gene and the predisposition of Han Chinese individuals to HOA. Methods: A total of 730 HOA patients and 1220 healthy controls were recruited in a hospital-based case-control study. Six common single nucleotide polymorphisms (SNPs) of the TLR-9 gene were selected for genotyping, and genetic association analyses were performed using both single-marker and haplotype-based methods. Results: The SNP rs187084 was found to be significantly associated with the risk of HOA after a Bonferroni correction (adjusted allelic p-values with age, gender, and body mass index [BMI] = 0.0008). The results indicated that the A allele of rs187084 is a risk allele for HOA and is likely to be a predisposing factor leading to an increased risk of HOA (adjusted odds ratio with age, gender, and BMI = 1.26, 95% confidence interval = 1.10-1.43). The results of the haplotype analyses confirmed a similar pattern to the SNP analyses. Conclusions: Our study provides strong evidence that variations in the TLR-9 gene are closely linked with genetic susceptibility to HOA in the Han Chinese population. This finding furthers the role of TLR-9 in the development and occurrence of OA in general.
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Affiliation(s)
- Xiaoqing Yi
- 1 Department of Pediatrics, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Erdi Xu
- 1 Department of Pediatrics, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yanfeng Xiao
- 1 Department of Pediatrics, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xuan Cai
- 2 Department of Orthopaedic Surgery, the Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Zhou Q, Xiao Z, Zhou R, Zhou Y, Fu P, Li X, Wu Y, Wu H, Qian Q. Ubiquitin-specific protease 3 targets TRAF6 for deubiquitination and suppresses IL-1β induced chondrocyte apoptosis. Biochem Biophys Res Commun 2019; 514:482-489. [PMID: 31056254 DOI: 10.1016/j.bbrc.2019.04.163] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Accepted: 04/24/2019] [Indexed: 11/18/2022]
Abstract
Traditionally, the development of osteoarthritis (OA) is associated with factors such as aging and injure, but more and more epidemiological and biological evidence suggests that the disease is closely related to metabolic syndrome and metabolic components. Ubiquitin-specific protease 3(USP3), a member of the USPs family, is a specific protease capable of cleavage of ubiquitin chains linked by proline residues. In our presented study, we firstly found that USP3 expression level was decreased in OA. USP3 overexpression inhibited IL-1β induced chondrocytes apoptosis and nuclear factor κB (NF-κB) activation. USP3 knockdown induced chondrocytes apoptosis and activated NF-κB pathway. USP3 interacts with TRAF6 (tumor necrosis factor-receptor-associated factor 6), which is an essential adaptor protein for the NF-κB (nuclear factor κB) signaling pathway and plays important roles in inflammation and immune response. IL-1β treatment up-regulated the polyubiquitination of TRAF6 in chondrocytes, which was attenuated when USP3 was forced expression. Our study mechanistically links USP3 to TRAF6 in osteoarthritis development. Moreover, these data support the pursuit of USP3 and TRAF6 as potential targets for osteoarthritis therapies.
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Affiliation(s)
- Qi Zhou
- Center of Joint Surgery and Sports Medicine, Department of Orthopedics, Changzheng Hospital, Second Military Medical University, China
| | - Zhonghua Xiao
- Department of Orthopedics, Wanzai County People's Hospital, China
| | - Rong Zhou
- Center of Joint Surgery and Sports Medicine, Department of Orthopedics, Changzheng Hospital, Second Military Medical University, China
| | - Yiqin Zhou
- Center of Joint Surgery and Sports Medicine, Department of Orthopedics, Changzheng Hospital, Second Military Medical University, China
| | - Peiliang Fu
- Center of Joint Surgery and Sports Medicine, Department of Orthopedics, Changzheng Hospital, Second Military Medical University, China
| | - Xiang Li
- Center of Joint Surgery and Sports Medicine, Department of Orthopedics, Changzheng Hospital, Second Military Medical University, China
| | - Yuli Wu
- Center of Joint Surgery and Sports Medicine, Department of Orthopedics, Changzheng Hospital, Second Military Medical University, China
| | - Haishan Wu
- Center of Joint Surgery and Sports Medicine, Department of Orthopedics, Changzheng Hospital, Second Military Medical University, China
| | - Qirong Qian
- Center of Joint Surgery and Sports Medicine, Department of Orthopedics, Changzheng Hospital, Second Military Medical University, China.
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Wang D, Yang H, Zhang M, Zhang H, Lu L, Zhang J, Wan X, Wang M. Insulin-like growth factor-1 engaged in the mandibular condylar cartilage degeneration induced by experimental unilateral anterior crossbite. Arch Oral Biol 2019; 98:17-25. [DOI: 10.1016/j.archoralbio.2018.11.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 11/01/2018] [Accepted: 11/01/2018] [Indexed: 02/06/2023]
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Krüger JP, Hondke S, Lau S, Endres M. Characterization of plasma fibronectin for migration, proliferation, and differentiation on human articular chondrocytes. J Tissue Eng Regen Med 2018; 13:537-545. [PMID: 30552734 DOI: 10.1002/term.2787] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 09/06/2018] [Accepted: 12/06/2018] [Indexed: 11/07/2022]
Abstract
Plasma fibronectin (pFN) plays a crucial role in wound healing by binding to integrins and inducing cell migration. It is known to induce the migration and proliferation of mesenchymal progenitor cells in vitro, which play a key role during microfracture in cartilage repair. Endogenous chondrocytes from the native cartilage of the defect rim might aid in cartilage repair. In this study, the effect of pFN on proliferation, migration, and differentiation was tested on human articular chondrocytes. Results showed that treatment with pFN increased the migration of chondrocytes in a range of 1-30 μg/ml as tested with no effect on proliferation. TGFβ3-induced chondrogenesis was not affected by pFN. Especially, gene expression of matrix metalloproteinases was not increased by pFN. Plasma FN fragmentation due to storage conditions could be excluded by SDS-PAGE. Moreover, bioactivity of pFN did not alter during storage at 4°C and 40°C for up to 14 days. Taken together, pFN induces the migration but not proliferation of human articular chondrocytes with no inhibitory effect on chondrogenic differentiation. Additionally, no loss of activity or fragmentation of pFN was observed after lyophilization and storage, making pFN an interesting bioactive factor for chondrocyte recruitment.
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Affiliation(s)
| | | | - Skadi Lau
- TransTissue Technologies GmbH, Berlin, Germany
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44
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CYLD suppression enhances the pro-inflammatory effects and hyperproliferation of rheumatoid arthritis fibroblast-like synoviocytes by enhancing NF-κB activation. Arthritis Res Ther 2018; 20:219. [PMID: 30285829 PMCID: PMC6169018 DOI: 10.1186/s13075-018-1722-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 09/11/2018] [Indexed: 01/14/2023] Open
Abstract
Background Rheumatoid arthritis fibroblast-like synoviocytes (RA-FLSs) actively drive joint inflammation and degradation by producing inflammatory cytokines and matrix-degrading molecules, making them key factors in the pathogenesis of RA. Cylindromatosis (CYLD) is a tumor suppressor that downregulates nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) activation by deubiquitinating NF-κB essential modulator and tumor necrosis factor receptor-associated factors 2 and 6. In this study, we aimed to determine CYLD expression in the synovium of patients with RA, analyze its correlation with NF-κB activation and clinical disease activity, further investigate CYLD expression in RA-FLSs, and explore CYLD’s roles and mechanisms in the pro-inflammatory effects, proliferation, apoptosis, and cell cycles of RA-FLSs. Methods We obtained synovia from 50 patients with active RA and 20 with osteoarthritis (OA) and then cultured FLSs from the samples. We determined CYLD expression in the synovia of RA patients and in FLSs via reverse transcription polymerase chain reaction (RT-PCR). CYLD was depleted by lentiviral CYLD short hairpin ribonucleic acid. We used RT-PCR and enzyme-linked immunosorbent assay to analyze the expression of pro-inflammatory cytokines, matrix metalloproteinases (MMPs), and receptor activator of nuclear factor kappa-B ligand (RANKL). We detected cell proliferation using Cell Counting Kit-8 and examined cell apoptosis and cell cycle using flow cytometry. Results We obtained the following results:In synovia from patients with RA, CYLD expression was significantly downregulated while NF-κB expression was distinctly upregulated, compared with synovia from patients with OA. Thus, there is a significant inverse correlation between CYLD and NF-κB in synovia affected by RA. CYLD expression significantly decreased in RA-FLSs compared with OA-FLSs. CYLD suppression enhanced the production of pro-inflammatory cytokines, MMPs, and RANKL by activating NF-κB in RA-FLSs. CYLD suppression enhanced proliferation, reduced apoptosis, and increased cell division of RA-FLSs and aggravated the activity of NF-κB in RA-FLSs.
Conclusions Via its regulation of NF-κB activation, CYLD may be involved in the pathogenesis of synovial inflammation in RA as well as in the pro-inflammatory effects and hyperproliferation of RA-FLSs. CYLD may therefore provide a potential target for the treatment of RA.
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Nelson KJ, Bolduc JA, Wu H, Collins JA, Burke EA, Reisz JA, Klomsiri C, Wood ST, Yammani RR, Poole LB, Furdui CM, Loeser RF. H 2O 2 oxidation of cysteine residues in c-Jun N-terminal kinase 2 (JNK2) contributes to redox regulation in human articular chondrocytes. J Biol Chem 2018; 293:16376-16389. [PMID: 30190325 DOI: 10.1074/jbc.ra118.004613] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 09/04/2018] [Indexed: 01/01/2023] Open
Abstract
Reactive oxygen species (ROS), in particular H2O2, regulate intracellular signaling through reversible oxidation of reactive protein thiols present in a number of kinases and phosphatases. H2O2 has been shown to regulate mitogen-activated protein kinase (MAPK) signaling depending on the cellular context. We report here that in human articular chondrocytes, the MAPK family member c-Jun N-terminal kinase 2 (JNK2) is activated by fibronectin fragments and low physiological levels of H2O2 and inhibited by oxidation due to elevated levels of H2O2 The kinase activity of affinity-purified, phosphorylated JNK2 from cultured chondrocytes was reversibly inhibited by 5-20 μm H2O2 Using dimedone-based chemical probes that react specifically with sulfenylated cysteines (RSOH), we identified Cys-222 in JNK2, a residue not conserved in JNK1 or JNK3, as a redox-reactive site. MS analysis of human recombinant JNK2 also detected further oxidation at Cys-222 and other cysteines to sulfinic (RSO2H) or sulfonic (RSO3H) acid. H2O2 treatment of JNK2 resulted in detectable levels of peptides containing intramolecular disulfides between Cys-222 and either Cys-213 or Cys-177, without evidence of dimer formation. Substitution of Cys-222 to alanine rendered JNK2 insensitive to H2O2 inhibition, unlike C177A and C213A variants. Two other JNK2 variants, C116A and C163A, were also resistant to oxidative inhibition. Cumulatively, these findings indicate differential regulation of JNK2 signaling dependent on H2O2 levels and point to key cysteine residues regulating JNK2 activity. As levels of intracellular H2O2 rise, a switch occurs from activation to inhibition of JNK2 activity, linking JNK2 regulation to the redox status of the cell.
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Affiliation(s)
| | - Jesalyn A Bolduc
- Division of Rheumatology, Allergy and Immunology and the Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, North Carolina 27599
| | - Hanzhi Wu
- the Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157 and
| | - John A Collins
- Division of Rheumatology, Allergy and Immunology and the Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, North Carolina 27599
| | - Elizabeth A Burke
- the Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157 and
| | - Julie A Reisz
- the Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157 and
| | - Chananat Klomsiri
- From the Department of Biochemistry and.,the Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157 and
| | - Scott T Wood
- Division of Rheumatology, Allergy and Immunology and the Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, North Carolina 27599
| | - Raghunatha R Yammani
- the Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157 and
| | | | - Cristina M Furdui
- the Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina 27157 and
| | - Richard F Loeser
- Division of Rheumatology, Allergy and Immunology and the Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, North Carolina 27599
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Ahmed AS, Gedin P, Hugo A, Bakalkin G, Kanar A, Hart DA, Druid H, Svensson C, Kosek E. Activation of NF-κB in Synovium versus Cartilage from Patients with Advanced Knee Osteoarthritis: A Potential Contributor to Inflammatory Aspects of Disease Progression. THE JOURNAL OF IMMUNOLOGY 2018; 201:1918-1927. [PMID: 30135182 DOI: 10.4049/jimmunol.1800486] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 07/22/2018] [Indexed: 02/01/2023]
Abstract
The aim was to assess the activation and association of the NF-κB system across synovial membrane (SM) and articular cartilage (AC) in patients with knee osteoarthritis (OA) and ascertain its potential effects on catabolic mediator expression in advanced OA. SM and AC were obtained from 40 OA patients undergoing total knee arthroplasty and from 19 postmortem control subjects. NF-κB subunit RelA in nuclear and cytosolic fractions and NF-κB1-DNA binding in nuclear extracts was assessed by ELISA, whereas NFKB1, RELA, IL-8, IL-6, and MMP3 gene expression were analyzed by reverse transcriptase-quantitative PCR in tissues. We observed higher SM nuclear RelA protein levels and upregulated NF-κB1-DNA binding in OA patients compared with postmortem controls. However, in AC, lower nuclear RelA levels were observed compared with cytosolic extracts in patients. Nuclear RelA levels correlated positively with NF-κB1-DNA binding in SM and AC in patients. SM RELA and MMP3 mRNA levels were upregulated, whereas IL-8 and IL-6 as well as AC RELA were downregulated in patients compared with controls. In SM, nuclear RelA levels correlated positively with MMP3 gene expression in patients. A negative correlation was observed between SM nuclear RelA levels and AC NF-κB1-DNA binding, and SM nuclear NF-κB1-DNA binding correlated negatively with AC MMP3 and NFKB1 mRNA levels in patients. These findings highlight NF-κB-triggered cross-talk and feedback mechanisms between SM and AC in OA. Further, our findings strongly support a role for an activated NF-κB system in the transcriptional mechanism of inflammatory processes, especially in SM of patients with advanced OA.
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Affiliation(s)
- Aisha S Ahmed
- Department of Clinical Neuroscience, Karolinska Institutet, 171 77 Stockholm, Sweden;
| | - Per Gedin
- Ortho Center Stockholm, Löwenströmska Hospital, 194 89 Upplands Väsby, Sweden
| | - Anders Hugo
- Ortho Center Stockholm, Löwenströmska Hospital, 194 89 Upplands Väsby, Sweden
| | - Georgy Bakalkin
- Department of Pharmaceutical Biosciences, Uppsala University, 751 05 Uppsala, Sweden
| | - Alkass Kanar
- Department of Oncology-Pathology, Karolinska Institutet, 171 77 Stockholm, Sweden.,Swedish National Board of Forensic Medicine, 171 65 Solna, Sweden
| | - David A Hart
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta T2N 1N4, Canada
| | - Henrik Druid
- Department of Oncology-Pathology, Karolinska Institutet, 171 77 Stockholm, Sweden.,Swedish National Board of Forensic Medicine, 171 65 Solna, Sweden
| | - Camilla Svensson
- Department of Physiology and Pharmacology, Karolinska Institutet, 171 77 Stockholm, Sweden; and
| | - Eva Kosek
- Department of Clinical Neuroscience, Karolinska Institutet, 171 77 Stockholm, Sweden.,Stockholm Spine Center, Löwenströmska Hospital, 194 89 Upplands Väsby, Sweden
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Choi MC, Choi WH. Mithramycin A Alleviates Osteoarthritic Cartilage Destruction by Inhibiting HIF-2α Expression. Int J Mol Sci 2018; 19:ijms19051411. [PMID: 29747385 PMCID: PMC5983647 DOI: 10.3390/ijms19051411] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Revised: 04/25/2018] [Accepted: 05/04/2018] [Indexed: 11/16/2022] Open
Abstract
Osteoarthritis (OA) is the most common and increasing joint disease worldwide. Current treatment for OA is limited to control of symptoms. The purpose of this study was to determine the effect of specificity protein 1 (SP1) inhibitor Mithramycin A (MitA) on chondrocyte catabolism and OA pathogenesis and to explore the underlying molecular mechanisms involving SP1 and other key factors that are critical for OA. Here, we show that MitA markedly inhibited expressions of matrix-degrading enzymes induced by pro-inflammatory cytokine interleukin-1β (IL-1β) in mouse primary chondrocytes. Intra-articular injection of MitA into mouse knee joint alleviated OA cartilage destruction induced by surgical destabilization of the medial meniscus (DMM). However, modulation of SP1 level in chondrocyte and mouse cartilage did not alter catabolic gene expression or cartilage integrity, respectively. Instead, MitA significantly impaired the expression of HIF-2α known to be critical for OA pathogenesis. Such reduction in expression of HIF-2α by MitA was caused by inhibition of NF-κB activation, at least in part. These results suggest that MitA can alleviate OA pathogenesis by suppressing NF-κB-HIF-2α pathway, thus providing insight into therapeutic strategy for OA.
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Affiliation(s)
- Moon-Chang Choi
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Korea.
- Department of Biomedical Science, Chosun University, Gwangju 61452, Korea.
| | - Woo Hee Choi
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Korea.
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Emerging Players at the Intersection of Chondrocyte Loss of Maturational Arrest, Oxidative Stress, Senescence and Low-Grade Inflammation in Osteoarthritis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:3075293. [PMID: 29599894 PMCID: PMC5828476 DOI: 10.1155/2018/3075293] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Accepted: 12/10/2017] [Indexed: 02/07/2023]
Abstract
The prevalence of Osteoarthritis (OA) is increasing because of the progressive aging and unhealthy lifestyle. These risk factors trigger OA by removing constraints that keep the tightly regulated low turnover of the extracellular matrix (ECM) of articular cartilage, the correct chondrocyte phenotype, and the functionality of major homeostatic mechanisms, such as mitophagy, that allows for the clearance of dysfunctional mitochondria, preventing increased production of reactive oxygen species, oxidative stress, and senescence. After OA onset, the presence of ECM degradation products is perceived as a “danger” signal by the chondrocytes and the synovial macrophages that release alarmins with autocrine/paracrine effects on the same cells. Alarmins trigger innate immunity in the joint, with important systemic crosstalks that explain the beneficial effects of dietary interventions and improved lifestyle. Alarmins also boost low-grade inflammation: the release of inflammatory molecules and chemokines sustained by continuous triggering of NF-κB within an altered cellular setting that allows its higher transcriptional activity. Chemokines exert pleiotropic functions in OA, including the recruitment of inflammatory cells and the induction of ECM remodeling. Some chemokines have been successfully targeted to attenuate structural damage or pain in OA animal models. This represents a promising strategy for the future management of human OA.
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Velusami CC, Richard EJ, Bethapudi B. Polar extract of Curcuma longa protects cartilage homeostasis: possible mechanism of action. Inflammopharmacology 2018; 26:1233-1243. [PMID: 29313174 DOI: 10.1007/s10787-017-0433-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Accepted: 12/06/2017] [Indexed: 12/21/2022]
Abstract
BACKGROUND Curcuma longa has been well documented for managing joint inflammation and pain. The present study investigated the effect of polar extract of C. longa (NR-INF-02) on cartilage homeostasis in human articular chondrocytes knee (NHAC-kn) cells to understand its plausible mechanism of action. METHODS Dysregulation of cartilage homeostasis was induced by IL-1β and H2O2. Modulating effects of NR-INF-02 on degradation markers viz., chondrocyte apoptosis, senescence, cytokine, eicosanoids, and cartilage synthesis markers viz., glycosaminoglycans and type II collagen degradation was evaluated in human articular chondrocytes knee (NHAC-kn) cells. Further, the effect of NR-INF-02 on lipopolysaccharide (LPS)-induced expression of NF-kB in RAW264.7 macrophages was investigated. RESULTS NR-INF-02 significantly attenuated IL-1β-induced chondrocyte cytotoxicity, apoptosis and release of chondrocyte degradation markers such as IL-6, IL-8, COX-2, PGE2, TNF-α, ICAM-1 in NHAC-kn cells. Also, NR-INF-02 protected IL-1β-induced damage to synthesis markers such as glycosaminoglycans, type II collagen and further attenuated H2O2-induced chondrocyte senescence. In addition NR-INF-02 suppressed LPS-induced NF-kB expression in RAW264.7 cells. CONCLUSIONS NR-INF-02 protects cartilage homeostasis by maintaining the balance between synthesis and degradation of cartilage matrix.
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Affiliation(s)
- Chandrasekaran Chinampudur Velusami
- Department of Biology, R&D Centre, Natural Remedies Private Limited, 5B, Veerasandra Indl. Area, 19th K. M. Stone, Hosur Road, Electronic City Post, Bangalore, Karnataka, 560100, India.
| | - Edwin Jothie Richard
- Department of Biology, R&D Centre, Natural Remedies Private Limited, 5B, Veerasandra Indl. Area, 19th K. M. Stone, Hosur Road, Electronic City Post, Bangalore, Karnataka, 560100, India
| | - Bharathi Bethapudi
- Department of Biology, R&D Centre, Natural Remedies Private Limited, 5B, Veerasandra Indl. Area, 19th K. M. Stone, Hosur Road, Electronic City Post, Bangalore, Karnataka, 560100, India
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Ostojic M, Soljic V, Vukojevic K, Dapic T. Immunohistochemical characterization of early and advanced knee osteoarthritis by NF-κB and iNOS expression. J Orthop Res 2017; 35:1990-1997. [PMID: 27958655 DOI: 10.1002/jor.23504] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 12/05/2016] [Indexed: 02/04/2023]
Abstract
This study was performed to determine the differences in grade of synovitis and expression of NF-κB and iNOS in knee synovial membrane between early and advanced stage of osteoarthritis (OA). Thirty synovial membrane intra-operative biopsies of patients (ten controls, ten with early and ten with advanced OA according to Kellgren-Lawrence radiological score) were immunohistochemically (NF-κB and iNOS) and hystologically (Krenn synovitis score) analyzed and correlated to WOMAC clinical score and pain duration. Krenn synovitis score of patients with radiologically early OA was significantly higher than in patients with advanced OA (p < 0.001). NF-κB expression in both synovial intima (p < 0.001) and subintima (p < 0.001) was also higher in early OA. iNOS expression in subintima was significantly higher in early than in advanced OA (p < 0.001), while in intima iNOS showed no statistical difference between groups (p = 0.07). The lymphocytic nodules, located in synovial subintima, were significantly higher in advanced OA when compared to early OA (p = 0.006) and the control group (p < 0.001). These results suggest that in early OA, there is a localized inflammation of the synovial membrane with high expression of NF-κB and iNOS. In advanced OA, number of expressed factors is reduced, with the exception of intima cells that highly express iNOS, reflecting the ongoing localized inflammatory process of lower degree. In advanced OA, the density of the resident cells is reduced and lymphocytic nodules appear, confirming the important role of adaptive immunity in later OA stage. Clinical significance of this study is better understanding possibilities of preventive measures for synovitis and OA advancement. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:1990-1997, 2017.
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Affiliation(s)
- Marko Ostojic
- Department of Orthopaedics and Traumatology, University Hospital Mostar, Mostar, Bosnia and Herzegovina.,Department of Anatomy, School of Medicine, University of Mostar, Mostar, Bosnia and Herzegovina
| | - Violeta Soljic
- Department of Histology and Embryology, School of Medicine, University of Mostar, Mostar, Bosnia and Herzegovina.,Department of Pathology, Cytology and Forensic Medicine, University Hospital Mostar, Mostar, Bosnia and Herzegovina
| | - Katarina Vukojevic
- Department of Histology and Embryology, School of Medicine, University of Mostar, Mostar, Bosnia and Herzegovina.,Department of Anatomy, Histology and Embryology School of Medicine, University of Split, Split, Croatia
| | - Tomislav Dapic
- Department of Orthopaedics, University Hospital Zagreb, Zagreb, Croatia
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