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Hussain MT, Austin-Williams S, Wright TD, Dhawan UK, Pinto AL, Cooper D, Norling LV. β1-Integrin-Mediated Uptake of Chondrocyte Extracellular Vesicles Regulates Chondrocyte Homeostasis. Int J Mol Sci 2024; 25:4756. [PMID: 38731975 PMCID: PMC11083596 DOI: 10.3390/ijms25094756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/24/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
Osteoarthritis (OA) is the most prevalent age-related degenerative disorder, which severely reduces the quality of life of those affected. Whilst management strategies exist, no cures are currently available. Virtually all joint resident cells generate extracellular vesicles (EVs), and alterations in chondrocyte EVs during OA have previously been reported. Herein, we investigated factors influencing chondrocyte EV release and the functional role that these EVs exhibit. Both 2D and 3D models of culturing C28I/2 chondrocytes were used for generating chondrocyte EVs. We assessed the effect of these EVs on chondrogenic gene expression as well as their uptake by chondrocytes. Collectively, the data demonstrated that chondrocyte EVs are sequestered within the cartilage ECM and that a bi-directional relationship exists between chondrocyte EV release and changes in chondrogenic differentiation. Finally, we demonstrated that the uptake of chondrocyte EVs is at least partially dependent on β1-integrin. These results indicate that chondrocyte EVs have an autocrine homeostatic role that maintains chondrocyte phenotype. How this role is perturbed under OA conditions remains the subject of future work.
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Affiliation(s)
- Mohammed Tayab Hussain
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK; (M.T.H.); (T.D.W.); (U.K.D.); (D.C.)
| | - Shani Austin-Williams
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK; (M.T.H.); (T.D.W.); (U.K.D.); (D.C.)
| | - Thomas Dudley Wright
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK; (M.T.H.); (T.D.W.); (U.K.D.); (D.C.)
| | - Umesh Kumar Dhawan
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK; (M.T.H.); (T.D.W.); (U.K.D.); (D.C.)
| | - Andreia L. Pinto
- Royal Brompton & Harefield NHS Foundation Trust, London SW3 6PY, UK;
| | - Dianne Cooper
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK; (M.T.H.); (T.D.W.); (U.K.D.); (D.C.)
- Centre for Inflammation and Therapeutic Innovation, Queen Mary University of London, London EC1M 6BQ, UK
| | - Lucy V. Norling
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK; (M.T.H.); (T.D.W.); (U.K.D.); (D.C.)
- Centre for Inflammation and Therapeutic Innovation, Queen Mary University of London, London EC1M 6BQ, UK
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Mebarek S, Buchet R, Pikula S, Strzelecka-Kiliszek A, Brizuela L, Corti G, Collacchi F, Anghieri G, Magrini A, Ciancaglini P, Millan JL, Davies O, Bottini M. Do Media Extracellular Vesicles and Extracellular Vesicles Bound to the Extracellular Matrix Represent Distinct Types of Vesicles? Biomolecules 2023; 14:42. [PMID: 38254642 PMCID: PMC10813234 DOI: 10.3390/biom14010042] [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: 11/16/2023] [Revised: 12/15/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
Mineralization-competent cells, including hypertrophic chondrocytes, mature osteoblasts, and osteogenic-differentiated smooth muscle cells secrete media extracellular vesicles (media vesicles) and extracellular vesicles bound to the extracellular matrix (matrix vesicles). Media vesicles are purified directly from the extracellular medium. On the other hand, matrix vesicles are purified after discarding the extracellular medium and subjecting the cells embedded in the extracellular matrix or bone or cartilage tissues to an enzymatic treatment. Several pieces of experimental evidence indicated that matrix vesicles and media vesicles isolated from the same types of mineralizing cells have distinct lipid and protein composition as well as functions. These findings support the view that matrix vesicles and media vesicles released by mineralizing cells have different functions in mineralized tissues due to their location, which is anchored to the extracellular matrix versus free-floating.
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Affiliation(s)
- Saida Mebarek
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, UMR CNRS 5246, Université de Lyon, Université Claude Bernard Lyon 1, 69 622 Villeurbanne Cedex, France; (R.B.); (L.B.)
| | - Rene Buchet
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, UMR CNRS 5246, Université de Lyon, Université Claude Bernard Lyon 1, 69 622 Villeurbanne Cedex, France; (R.B.); (L.B.)
| | - Slawomir Pikula
- Laboratory of Biochemistry of Lipids, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland; (S.P.); (A.S.-K.)
| | - Agnieszka Strzelecka-Kiliszek
- Laboratory of Biochemistry of Lipids, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093 Warsaw, Poland; (S.P.); (A.S.-K.)
| | - Leyre Brizuela
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, UMR CNRS 5246, Université de Lyon, Université Claude Bernard Lyon 1, 69 622 Villeurbanne Cedex, France; (R.B.); (L.B.)
| | - Giada Corti
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.C.); (F.C.)
| | - Federica Collacchi
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.C.); (F.C.)
| | - Genevieve Anghieri
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE113TU, UK; (G.A.); (O.D.)
| | - Andrea Magrini
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, 00133 Rome, Italy;
| | - Pietro Ciancaglini
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto 14040-901, São Paulo, Brazil;
| | - Jose Luis Millan
- Sanford Children’s Health Research Center, Sanford Burnham Prebys, La Jolla, CA 92037, USA;
| | - Owen Davies
- School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough LE113TU, UK; (G.A.); (O.D.)
| | - Massimo Bottini
- Department of Experimental Medicine, University of Rome Tor Vergata, 00133 Rome, Italy; (G.C.); (F.C.)
- Sanford Children’s Health Research Center, Sanford Burnham Prebys, La Jolla, CA 92037, USA;
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Merle DA, Sen M, Armento A, Stanton CM, Thee EF, Meester-Smoor MA, Kaiser M, Clark SJ, Klaver CCW, Keane PA, Wright AF, Ehrmann M, Ueffing M. 10q26 - The enigma in age-related macular degeneration. Prog Retin Eye Res 2023; 96:101154. [PMID: 36513584 DOI: 10.1016/j.preteyeres.2022.101154] [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: 09/14/2022] [Revised: 11/21/2022] [Accepted: 12/01/2022] [Indexed: 12/14/2022]
Abstract
Despite comprehensive research efforts over the last decades, the pathomechanisms of age-related macular degeneration (AMD) remain far from being understood. Large-scale genome wide association studies (GWAS) were able to provide a defined set of genetic aberrations which contribute to disease risk, with the strongest contributors mapping to distinct regions on chromosome 1 and 10. While the chromosome 1 locus comprises factors of the complement system with well-known functions, the role of the 10q26-locus in AMD-pathophysiology remains enigmatic. 10q26 harbors a cluster of three functional genes, namely PLEKHA1, ARMS2 and HTRA1, with most of the AMD-associated genetic variants mapping to the latter two genes. High linkage disequilibrium between ARMS2 and HTRA1 has kept association studies from reliably defining the risk-causing gene for long and only very recently the genetic risk region has been narrowed to ARMS2, suggesting that this is the true AMD gene at this locus. However, genetic associations alone do not suffice to prove causality and one or more of the 14 SNPs on this haplotype may be involved in long-range control of gene expression, leaving HTRA1 and PLEKHA1 still suspects in the pathogenic pathway. Both, ARMS2 and HTRA1 have been linked to extracellular matrix homeostasis, yet their exact molecular function as well as their role in AMD pathogenesis remains to be uncovered. The transcriptional regulation of the 10q26 locus adds an additional level of complexity, given, that gene-regulatory as well as epigenetic alterations may influence expression levels from 10q26 in diseased individuals. Here, we provide a comprehensive overview on the 10q26 locus and its three gene products on various levels of biological complexity and discuss current and future research strategies to shed light on one of the remaining enigmatic spots in the AMD landscape.
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Affiliation(s)
- David A Merle
- Institute for Ophthalmic Research, Department for Ophthalmology, Eberhard Karls University of Tübingen, 72076, Tübingen, Germany; Department for Ophthalmology, University Eye Clinic, Eberhard Karls University of Tübingen, 72076, Tübingen, Germany; Department of Ophthalmology, Medical University of Graz, 8036, Graz, Austria.
| | - Merve Sen
- Institute for Ophthalmic Research, Department for Ophthalmology, Eberhard Karls University of Tübingen, 72076, Tübingen, Germany
| | - Angela Armento
- Institute for Ophthalmic Research, Department for Ophthalmology, Eberhard Karls University of Tübingen, 72076, Tübingen, Germany
| | - Chloe M Stanton
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XU, UK
| | - Eric F Thee
- Department of Ophthalmology, Erasmus University Medical Center, 3015GD, Rotterdam, Netherlands; Department of Epidemiology, Erasmus University Medical Center, 3015CE, Rotterdam, Netherlands
| | - Magda A Meester-Smoor
- Department of Ophthalmology, Erasmus University Medical Center, 3015GD, Rotterdam, Netherlands; Department of Epidemiology, Erasmus University Medical Center, 3015CE, Rotterdam, Netherlands
| | - Markus Kaiser
- Center of Medical Biotechnology, Faculty of Biology, University Duisburg-Essen, 45117, Essen, Germany
| | - Simon J Clark
- Institute for Ophthalmic Research, Department for Ophthalmology, Eberhard Karls University of Tübingen, 72076, Tübingen, Germany; Department for Ophthalmology, University Eye Clinic, Eberhard Karls University of Tübingen, 72076, Tübingen, Germany; Lydia Becker Institute of Immunology and Inflammation, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, M13 9PT, UK
| | - Caroline C W Klaver
- Department of Ophthalmology, Erasmus University Medical Center, 3015GD, Rotterdam, Netherlands; Department of Epidemiology, Erasmus University Medical Center, 3015CE, Rotterdam, Netherlands; Department of Ophthalmology, Radboudumc, 6525EX, Nijmegen, Netherlands; Institute of Molecular and Clinical Ophthalmology Basel, CH-4031, Basel, Switzerland
| | - Pearse A Keane
- Institute for Health Research, Biomedical Research Centre for Ophthalmology, Moorfields Eye Hospital NHS Foundation Trust, UCL Institute of Ophthalmology, London, EC1V 2PD, UK
| | - Alan F Wright
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, EH4 2XU, UK
| | - Michael Ehrmann
- Center of Medical Biotechnology, Faculty of Biology, University Duisburg-Essen, 45117, Essen, Germany
| | - Marius Ueffing
- Institute for Ophthalmic Research, Department for Ophthalmology, Eberhard Karls University of Tübingen, 72076, Tübingen, Germany; Department for Ophthalmology, University Eye Clinic, Eberhard Karls University of Tübingen, 72076, Tübingen, Germany.
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Otahal A, De Luna A, Mobasheri A, Nehrer S. Extracellular Vesicle Isolation and Characterization for Applications in Cartilage Tissue Engineering and Osteoarthritis Therapy. Methods Mol Biol 2023; 2598:123-140. [PMID: 36355289 DOI: 10.1007/978-1-0716-2839-3_10] [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] [Indexed: 06/16/2023]
Abstract
Extracellular vesicles (EVs) have the capacity for use in cartilage tissue engineering by stimulating tissue repair and microenvironmental reprogramming. This makes them ideal candidates for treating focal cartilage defects and cartilage degeneration in osteoarthritis (OA). Observational studies have reported beneficial biological effects of EVs, such as inhibition of inflammation, enhanced extracellular matrix deposition, and reduced cartilage degradation. Isolation of EVs derived from different source materials such as conditioned cell culture media or biofluids is essential to attribute observed biological effects to EVs as genuine effectors. This chapter presents a density- and a size-based method as well as a combination of both for isolation of EVs from conditioned cell culture media or biofluids. In addition, three methods for characterization of isolated EVs are suggested based on physical properties, protein profiling, and ultrastructural morphology.
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Affiliation(s)
- Alexander Otahal
- Center for Regenerative Medicine, University For Continuing Education, Krems, Austria
| | - Andrea De Luna
- Center for Regenerative Medicine, University For Continuing Education, Krems, Austria
| | - Ali Mobasheri
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania.
- Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland.
- Departments of Orthopedics, Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands.
- Department of Joint Surgery, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China.
- World Health Organization Collaborating Center for Public Health Aspects of Musculoskeletal Health and Aging, Université de Liège, Liège, Belgium.
| | - Stefan Nehrer
- Center for Regenerative Medicine, University For Continuing Education, Krems, Austria.
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Yang B, Li X, Fu C, Cai W, Meng B, Qu Y, Kou X, Zhang Q. Extracellular vesicles in osteoarthritis of peripheral joint and temporomandibular joint. Front Endocrinol (Lausanne) 2023; 14:1158744. [PMID: 36950682 PMCID: PMC10025484 DOI: 10.3389/fendo.2023.1158744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 02/21/2023] [Indexed: 03/08/2023] Open
Abstract
Osteoarthritis (OA) is a disabling disease with significant morbidity worldwide. OA attacks the large synovial joint, including the peripheral joints and temporomandibular joint (TMJ). As a representative of peripheral joint OA, knee OA shares similar symptoms with TMJ OA. However, these two joints also display differences based on their distinct development, anatomy, and physiology. Extracellular vesicles (EVs) are phospholipid bilayer nanoparticles, including exosomes, microvesicles, and apoptotic bodies. EVs contain proteins, lipids, DNA, micro-RNA, and mRNA that regulate tissue homeostasis and cell-to-cell communication, which play an essential role in the progression and treatment of OA. They are likely to partake in mechanical response, extracellular matrix degradation, and inflammatory regulation during OA. More evidence has shown that synovial fluid and synovium-derived EVs may serve as OA biomarkers. More importantly, mesenchymal stem cell-derived EV shows a therapeutic effect on OA. However, the different function of EVs in these two joints is largely unknown based on their distinct biological characteristic. Here, we reviewed the effects of EVs in OA progression and compared the difference between the knee joint and TMJ, and summarized their potential therapeutic role in the treatment of OA.
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Affiliation(s)
- Benyi Yang
- Guangdong Provincial Key Laboratory of Stomatology Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, South China Center of Craniofacial Stem Cell Research, Guangzhou, China
| | - Xin Li
- Department of Temporomandibular Joint, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou, China
| | - Chaoran Fu
- Guangdong Provincial Key Laboratory of Stomatology Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, South China Center of Craniofacial Stem Cell Research, Guangzhou, China
| | - Wenyi Cai
- Department of Temporomandibular Joint, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou, China
| | - Bowen Meng
- Guangdong Provincial Key Laboratory of Stomatology Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, South China Center of Craniofacial Stem Cell Research, Guangzhou, China
| | - Yan Qu
- Guangdong Provincial Key Laboratory of Stomatology Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, South China Center of Craniofacial Stem Cell Research, Guangzhou, China
| | - Xiaoxing Kou
- Guangdong Provincial Key Laboratory of Stomatology Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, South China Center of Craniofacial Stem Cell Research, Guangzhou, China
- *Correspondence: Qingbin Zhang, ; Xiaoxing Kou,
| | - Qingbin Zhang
- Department of Temporomandibular Joint, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China
- Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangdong Engineering Research Center of Oral Restoration and Reconstruction, Guangzhou, China
- *Correspondence: Qingbin Zhang, ; Xiaoxing Kou,
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Breakthrough of extracellular vesicles in pathogenesis, diagnosis and treatment of osteoarthritis. Bioact Mater 2022; 22:423-452. [PMID: 36311050 PMCID: PMC9588998 DOI: 10.1016/j.bioactmat.2022.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 10/06/2022] [Accepted: 10/10/2022] [Indexed: 11/16/2022] Open
Abstract
Osteoarthritis (OA) is a highly prevalent whole-joint disease that causes disability and pain and affects a patient's quality of life. However, currently, there is a lack of effective early diagnosis and treatment. Although stem cells can promote cartilage repair and treat OA, problems such as immune rejection and tumorigenicity persist. Extracellular vesicles (EVs) can transmit genetic information from donor cells and mediate intercellular communication, which is considered a functional paracrine factor of stem cells. Increasing evidences suggest that EVs may play an essential and complex role in the pathogenesis, diagnosis, and treatment of OA. Here, we introduced the role of EVs in OA progression by influencing inflammation, metabolism, and aging. Next, we discussed EVs from the blood, synovial fluid, and joint-related cells for diagnosis. Moreover, we outlined the potential of modified and unmodified EVs and their combination with biomaterials for OA therapy. Finally, we discuss the deficiencies and put forward the prospects and challenges related to the application of EVs in the field of OA.
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Cheng TH, Zeng J, Dehghani A, Dimaculangan D, Zhang M, Maheshwari AV. Complement C3-α and C3-β Levels in Synovial Fluid But Not in Blood Correlate With the Severity of Osteoarthritis Research Society International Histopathological Grades in Primary Knee Osteoarthritis. J Arthroplasty 2022; 37:1541-1548.e1. [PMID: 35367611 DOI: 10.1016/j.arth.2022.03.076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 03/12/2022] [Accepted: 03/25/2022] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND Primary osteoarthritis (OA) is the most common cause of knee arthritis worldwide. The knee synovial fluid complement C3-β chain levels have been shown to correlate with clinical symptoms of knee OA. It is not known whether the complement C3 in the synovial fluid is derived from the circulation or is produced locally in the knee. METHODS Fifty primary OA patients undergoing a total knee arthroplasty procedure were evaluated for biochemical analyses of C3-α and C3-β chains in the synovial fluid and blood plasma. These levels were corelated with the severity of corresponding knee OA based on the Osteoarthritis Research Society International (OARSI) grade. RESULTS Both synovial C3-α and C3-β levels correlated significantly with the severity of OA. Neither plasma C3-α levels nor C3-β levels significantly correlated with OARSI grading. Neither synovial C3-α levels nor C3-β correlated significantly with plasma C3-α or C3-β levels, respectively. Synovial C3-α chain and C3-β chain levels were significantly higher in the grade >6 group. In plasma, neither C3-α chain levels nor C3-β chain levels were significantly different between the groups. Neither synovial C3-α nor C3-β levels significantly correlated with plasma erythrocyte sedimentation rate or C-reactive protein levels. CONCLUSION In knee primary OA, C3 seems to be produced and released locally into the synovial fluid instead of being derived from blood in the circulation. Synovial C3 levels, but not blood plasma C3, correlate with the histopathological severity of primary OA in the knee. Synovial C3 may be an important factor in the pathogenesis of primary OA clinical symptoms and a potential target for therapeutic intervention.
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Affiliation(s)
- Tzu Hsuan Cheng
- Department of Anesthesiology, College of Medicine, SUNY Downstate Health Sciences University, Brooklyn, New York
| | - Jianying Zeng
- Department of Pathology, College of Medicine, SUNY Downstate Health Sciences University, Brooklyn, New York
| | - Amir Dehghani
- Department of Pathology, College of Medicine, SUNY Downstate Health Sciences University, Brooklyn, New York
| | - Dennis Dimaculangan
- Department of Anesthesiology, College of Medicine, SUNY Downstate Health Sciences University, Brooklyn, New York
| | - Ming Zhang
- Department of Anesthesiology, College of Medicine, SUNY Downstate Health Sciences University, Brooklyn, New York; Department of Pathology, College of Medicine, SUNY Downstate Health Sciences University, Brooklyn, New York
| | - Aditya V Maheshwari
- Department of Orthopedics, College of Medicine, SUNY Downstate Health Sciences University, Brooklyn, New York
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Wilkinson DJ. The serine proteinase HtrA1 is ubiquitous and abundant in osteoarthritic joints, but what is it doing? Osteoarthritis Cartilage 2022; 30:1015-1018. [PMID: 35381345 DOI: 10.1016/j.joca.2022.03.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 03/24/2022] [Indexed: 02/02/2023]
Affiliation(s)
- David J Wilkinson
- Department of Musculoskeletal Biology and Ageing Sciences, Institute of Life Course and Medical Sciences, University of Liverpool, William Henry Duncan Building, 6 W Derby St, Liverpool L7 8TX, UK.
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Tossetta G, Fantone S, Licini C, Marzioni D, Mattioli-Belmonte M. The multifaced role of HtrA1 in the development of joint and skeletal disorders. Bone 2022; 157:116350. [PMID: 35131488 DOI: 10.1016/j.bone.2022.116350] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/21/2022] [Accepted: 02/01/2022] [Indexed: 12/15/2022]
Abstract
HtrA1 (High temperature requirement A1) family proteins include four members, widely conserved from prokaryotes to eukaryotes, named HtrA1, HtrA2, HtrA3 and HtrA4. HtrA1 is a serine protease involved in a variety of biological functions regulating many signaling pathways degrading specific components and playing key roles in many human diseases such as neurodegenerative disorders, pregnancy complications and cancer. Due to its role in the breakdown of many ExtraCellular Matrix (ECM) components of articular cartilage such as fibronectin, decorin and aggrecan, HtrA1 encouraged many researches on studying its role in several skeletal diseases (SDs). These studies were further inspired by the fact that HtrA1 is able to regulate the signaling of one of the most important cytokines involved in SDs, the TGFβ-1. This review aims to summarize the data currently available on the role of HtrA1 in skeletal diseases such as Osteoporosis, Rheumatoid Arthritis, Osteoarthritis and Intervertebral Disc Degeneration (IDD). The use of HtrA1 as a marker of frailty in geriatric medicine would represent a powerful tool for identifying older individuals at risk of developing skeletal disorders, evaluating an appropriate intervention to improve quality care in these people avoiding or improving age-related SDs in the elderly population.
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Affiliation(s)
- Giovanni Tossetta
- Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, 60126 Ancona, Italy; Clinic of Obstetrics and Gynaecology, Department of Clinical Sciences, Università Politecnica delle Marche, Salesi Hospital, Azienda Ospedaliero Universitaria, Ancona, Italy.
| | - Sonia Fantone
- Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, 60126 Ancona, Italy
| | - Caterina Licini
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Via Tronto 10/a, Ancona 60126, Italy
| | - Daniela Marzioni
- Department of Experimental and Clinical Medicine, Università Politecnica delle Marche, 60126 Ancona, Italy
| | - Monica Mattioli-Belmonte
- Department of Clinical and Molecular Sciences (DISCLIMO), Università Politecnica delle Marche, Via Tronto 10/a, Ancona 60126, Italy
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Yin B, Ni J, Witherel CE, Yang M, Burdick JA, Wen C, Wong SHD. Harnessing Tissue-derived Extracellular Vesicles for Osteoarthritis Theranostics. Theranostics 2022; 12:207-231. [PMID: 34987642 PMCID: PMC8690930 DOI: 10.7150/thno.62708] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 09/29/2021] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) is a prevalent chronic whole-joint disease characterized by low-grade systemic inflammation, degeneration of joint-related tissues such as articular cartilage, and alteration of bone structures that can eventually lead to disability. Emerging evidence has indicated that synovium or articular cartilage-secreted extracellular vesicles (EVs) contribute to OA pathogenesis and physiology, including transporting and enhancing the production of inflammatory mediators and cartilage degrading proteinases. Bioactive components of EVs are known to play a role in OA include microRNA, long non-coding RNA, and proteins. Thus, OA tissues-derived EVs can be used in combination with advanced nanomaterial-based biosensors for the diagnostic assessment of OA progression. Alternatively, mesenchymal stem cell- or platelet-rich plasma-derived EVs (MSC-EVs or PRP-EVs) have high therapeutic value for treating OA, such as suppressing the inflammatory immune microenvironment, which is often enriched by pro-inflammatory immune cells and cytokines that reduce chondrocytes apoptosis. Moreover, those EVs can be modified or incorporated into biomaterials for enhanced targeting and prolonged retention to treat OA effectively. In this review, we explore recently reported OA-related pathological biomarkers from OA joint tissue-derived EVs and discuss the possibility of current biosensors for detecting EVs and EV-related OA biomarkers. We summarize the applications of MSC-EVs and PRP-EVs and discuss their limitations for cartilage regeneration and alleviating OA symptoms. Additionally, we identify advanced therapeutic strategies, including engineered EVs and applying biomaterials to increase the efficacy of EV-based OA therapies. Finally, we provide our perspective on the future of EV-related diagnosis and therapeutic potential for OA treatment.
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Affiliation(s)
- Bohan Yin
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Junguo Ni
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | | | - Mo Yang
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Jason A. Burdick
- Department of Bioengineering, University of Pennsylvania, PA 16802, USA.,✉ Corresponding authors: Jason A. Burdick: . Chunyi Wen: . Siu Hong Dexter Wong:
| | - Chunyi Wen
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hong Kong, 999077, China.,Research Institute of Smart Ageing, the Hong Kong Polytechnic University, Hong Kong, 999077, China.,✉ Corresponding authors: Jason A. Burdick: . Chunyi Wen: . Siu Hong Dexter Wong:
| | - Siu Hong Dexter Wong
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hong Kong, 999077, China.,✉ Corresponding authors: Jason A. Burdick: . Chunyi Wen: . Siu Hong Dexter Wong:
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11
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Casanova MR, Osório H, Reis RL, Martins A, Neves NM. Chondrogenic differentiation induced by extracellular vesicles bound to a nanofibrous substrate. NPJ Regen Med 2021; 6:79. [PMID: 34799583 PMCID: PMC8604977 DOI: 10.1038/s41536-021-00190-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 10/11/2021] [Indexed: 12/26/2022] Open
Abstract
Extracellular vesicles (EVs) are being increasingly studied owing to its regenerative potential, namely EVs derived from human bone marrow mesenchymal stem cells (hBM-MSCs). Those can be used for controlling inflammation, repairing injury, and enhancing tissue regeneration. Differently, the potential of EVs derived from human articular chondrocytes (hACs) to promote cartilage regeneration has not been thoroughly investigated. This work aims to develop an EVs immobilization system capable of selectively bind EVs present in conditioned medium obtained from cultures of hACs or hBM-MSC. For that, an anti-CD63 antibody was immobilized at the surface of an activated and functionalized electrospun nanofibrous mesh. The chondrogenic potential of bound EVs was further assessed by culturing hBM-MSCs during 28 days under basal conditions. EVs derived from hACs cultured under differentiation medium or from chondrogenically committed hBM-MSCs induced a chondrogenic phenotype characterized by marked induction of SOX9, COMP, Aggrecan and Collagen type II, and matrix glycosaminoglycans synthesis. Indeed, both EVs immobilization systems outperformed the currently used chondroinductive strategies. These data show that naturally secreted EVs can guide the chondrogenic commitment of hBM-MSCs in the absence of any other chemical or genetic chondrogenic inductors based in medium supplementation.
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Affiliation(s)
- Marta R Casanova
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco/Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Hugo Osório
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135, Porto, Portugal
- Ipatimup-Institute of Molecular Pathology and Immunology of the University of Porto, University of Porto, 4200-135, Porto, Portugal
- Department of Pathology, Faculty of Medicine, University of Porto, 4200-319, Porto, Portugal
| | - Rui L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco/Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Albino Martins
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco/Guimarães, Portugal
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Nuno M Neves
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics of University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017, Barco/Guimarães, Portugal.
- ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
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12
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Austin-Williams S, Hussain MT, Oggero S, Norling LV. Enhancing extracellular vesicles for therapeutic treatment of arthritic joints. Free Radic Biol Med 2021; 175:80-94. [PMID: 34461260 DOI: 10.1016/j.freeradbiomed.2021.08.235] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 08/09/2021] [Accepted: 08/26/2021] [Indexed: 12/18/2022]
Abstract
Extracellular vesicles are small membrane-derived packages of information that are released from virtually all cell types. These nano-packages contain regulatory material including proteins, lipids, mRNA and microRNA and are a key mechanism of paracellular communication within a given microenvironment. Encompassed with a lipid bilayer, these organelles have been attributed numerous roles in regulating both physiological and pathological functions. Herein, we describe the role of EVs in the context of Rheumatoid and Osteoarthritis and explore how they could be harnessed to treat inflammatory and degenerative joint conditions. These structures offer a promising therapeutic strategy for treating musculoskeletal diseases due to their bioactive content, stability, small size and intrinsic ability to enter the avascular cartilage, a notoriously challenging tissue to target. We also discuss how EVs can be manipulated to load therapeutic cargo or present additional targeting moieties to enhance their beneficial actions and tissue regenerative properties.
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Affiliation(s)
- Shani Austin-Williams
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom
| | - Mohammed T Hussain
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom
| | - Silvia Oggero
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom
| | - Lucy V Norling
- The William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, United Kingdom; Centre for Inflammation and Therapeutic Innovation, Queen Mary University of London, UK.
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13
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Haartmans MJJ, Emanuel KS, Tuijthof GJM, Heeren RMA, Emans PJ, Cillero-Pastor B. Mass Spectrometry-based Biomarkers for Knee Osteoarthritis: A Systematic Review. Expert Rev Proteomics 2021; 18:693-706. [PMID: 34228576 DOI: 10.1080/14789450.2021.1952868] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Introduction: Knee osteoarthritis (OA) is a joint disease, affecting multiple tissues in the joint. Early detection and intervention may delay OA development and avoid total knee arthroplasty. Specific biomarker profiles for early detection and guiding clinical decision-making of OA have not yet been identified. One technique that can contribute to the finding of this "OA biomarker" is mass spectrometry (MS), which offers the possibility to analyze different molecules in tissues or fluids. Several proteomic, lipidomic, metabolomic and other -omic approaches aim to identify these molecular profiles; however, variation in methods and techniques complicate the finding of promising candidate biomarkers.Areas covered: In this systematic review, we aim to provide an overview of molecules in OA knee patients. Possible biomarkers in several tissue types of OA and non-OA patients, as well as current limitations and possible future suggestions will be discussed.Expert opinion: According to this review, we do not believe one specific biomarker will function as predictive molecule for OA. Likely, a group of molecules will give insight in OA development and possible therapeutic targets. For clinical implementation of MS-analysis in clinical decision-making, standardized procedures, large cohort studies and sharing protocols and data is necessary.
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Affiliation(s)
- Mirella J J Haartmans
- Maastricht MultiModal Molecular Imaging Institute (M4i), Division of Imaging Mass Spectrometry, Maastricht University Universiteitssingel 50, 6229 ER Maastricht, The Netherlands.,Laboratory for Experimental Orthopedics, Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Center+, P. Debyelaan 25, 6229 HX Maastricht, The Netherlands
| | - Kaj S Emanuel
- Laboratory for Experimental Orthopedics, Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Center+, P. Debyelaan 25, 6229 HX Maastricht, The Netherlands
| | - Gabrielle J M Tuijthof
- Department of Research Engineering, Maastricht University Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - Ron M A Heeren
- Maastricht MultiModal Molecular Imaging Institute (M4i), Division of Imaging Mass Spectrometry, Maastricht University Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
| | - Pieter J Emans
- Laboratory for Experimental Orthopedics, Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Center+, P. Debyelaan 25, 6229 HX Maastricht, The Netherlands
| | - Berta Cillero-Pastor
- Maastricht MultiModal Molecular Imaging Institute (M4i), Division of Imaging Mass Spectrometry, Maastricht University Universiteitssingel 50, 6229 ER Maastricht, The Netherlands
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14
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Mustonen AM, Nieminen P. Extracellular Vesicles and Their Potential Significance in the Pathogenesis and Treatment of Osteoarthritis. Pharmaceuticals (Basel) 2021; 14:ph14040315. [PMID: 33915903 PMCID: PMC8065796 DOI: 10.3390/ph14040315] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/18/2021] [Accepted: 03/26/2021] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) is a chronic joint disease characterized by inflammation, gradual destruction of articular cartilage, joint pain, and functional limitations that eventually lead to disability. Join tissues, including synovium and articular cartilage, release extracellular vesicles (EVs) that have been proposed to sustain joint homeostasis as well as to contribute to OA pathogenesis. EVs transport biologically active molecules, and OA can be characterized by altered EV counts and composition in synovial fluid. Of EV cargo, specific non-coding RNAs could have future potential as diagnostic biomarkers for early OA. EVs may contribute to the propagation of inflammation and cartilage destruction by transporting and enhancing the production of inflammatory mediators and cartilage-degrading proteinases. In addition to inducing OA-related gene expression patterns in synoviocytes and articular chondrocytes, EVs can induce anti-OA effects, including increased extracellular matrix deposition and cartilage protection. Especially mesenchymal stem cell-derived EVs can alleviate intra-articular inflammation and relieve OA pain. In addition, surgically- or chemically-induced cartilage defects have been repaired with EV therapies in animal models. While human clinical trials are still in the future, the potential of actual cures to OA by EV products is very promising.
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Affiliation(s)
- Anne-Mari Mustonen
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland;
- Department of Environmental and Biological Sciences, Faculty of Science and Forestry, University of Eastern Finland, P.O. Box 111, FI-80101 Joensuu, Finland
- Correspondence: ; Tel.: +358-294-45-1111
| | - Petteri Nieminen
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland;
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15
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Stapane L, Le Roy N, Ezagal J, Rodriguez-Navarro AB, Labas V, Combes-Soia L, Hincke MT, Gautron J. Avian eggshell formation reveals a new paradigm for vertebrate mineralization via vesicular amorphous calcium carbonate. J Biol Chem 2020; 295:15853-15869. [PMID: 32816992 DOI: 10.1074/jbc.ra120.014542] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Indexed: 12/16/2022] Open
Abstract
Amorphous calcium carbonate (ACC) is an unstable mineral phase, which is progressively transformed into aragonite or calcite in biomineralization of marine invertebrate shells or avian eggshells, respectively. We have previously proposed a model of vesicular transport to provide stabilized ACC in chicken uterine fluid where eggshell mineralization takes place. Herein, we report further experimental support for this model. We confirmed the presence of extracellular vesicles (EVs) using transmission EM and showed high levels of mRNA of vesicular markers in the oviduct segments where eggshell mineralization occurs. We also demonstrate that EVs contain ACC in uterine fluid using spectroscopic analysis. Moreover, proteomics and immunofluorescence confirmed the presence of major vesicular, mineralization-specific and eggshell matrix proteins in the uterus and in purified EVs. We propose a comprehensive role for EVs in eggshell mineralization, in which annexins transfer calcium into vesicles and carbonic anhydrase 4 catalyzes the formation of bicarbonate ions (HCO[Formula: see text]), for accumulation of ACC in vesicles. We hypothesize that ACC is stabilized by ovalbumin and/or lysozyme or additional vesicle proteins identified in this study. Finally, EDIL3 and MFGE8 are proposed to serve as guidance molecules to target EVs to the mineralization site. We therefore report for the first-time experimental evidence for the components of vesicular transport to supply ACC in a vertebrate model of biomineralization.
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Affiliation(s)
| | | | - Jacky Ezagal
- BOA INRAe, Université de Tours, Nouzilly, France
| | | | - Valérie Labas
- Unité Mixte de Recherches Physiologie de la Reproduction et des Comportements, Université de Tours IFCE, Nouzilly, France
| | - Lucie Combes-Soia
- Unité Mixte de Recherches Physiologie de la Reproduction et des Comportements, Université de Tours IFCE, Nouzilly, France
| | - Maxwell T Hincke
- Department of Innovation in Medical Education, and Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, Canada
| | - Joël Gautron
- BOA INRAe, Université de Tours, Nouzilly, France.
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16
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Oudot M, Neige P, Shir IB, Schmidt A, Strugnell JM, Plasseraud L, Broussard C, Hoffmann R, Lukeneder A, Marin F. The shell matrix and microstructure of the Ram’s Horn squid: Molecular and structural characterization. J Struct Biol 2020; 211:107507. [DOI: 10.1016/j.jsb.2020.107507] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 04/08/2020] [Accepted: 04/09/2020] [Indexed: 12/11/2022]
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17
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Kulkarni P, Martson A, Vidya R, Chitnavis S, Harsulkar A. Pathophysiological landscape of osteoarthritis. Adv Clin Chem 2020; 100:37-90. [PMID: 33453867 DOI: 10.1016/bs.acc.2020.04.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A sharp rise in osteoarthritis (OA) incidence is expected as over 25% of world population ages in the coming decade. Although OA is considered a degenerative disease, mounting evidence suggests a strong connection with chronic metabolic conditions and low-grade inflammation. OA pathology is increasingly understood as a complex interplay of multiple pathological events including oxidative stress, synovitis and immune responses revealing its intricate nature. Cellular, biochemical and molecular aspects of these pathological events along with major outcomes of the relevant research studies in this area are discussed in the present review. With reference to their published and unpublished work, the authors strongly propose synovitis as a central OA pathology and the key OA pathological events are described in connection with it. Recent research outcomes also have succeeded to establish a linkage between metabolic syndrome and OA, which has been precisely included in the present review. Impact of aging process cannot be neglected in OA. Cell senescence is an important mechanism of aging through which it facilitates development of OA like other degenerative disorders, also discussed within a frame of OA. Conclusively, the reviewers urge low-grade inflammation linked to aging and derailed immune function as a pathological platform for OA development and progression. Thus, interventions targeted to prevent inflammaging hold a promising potential in effective OA management and efforts should be invested in this direction.
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Affiliation(s)
- Priya Kulkarni
- Department of Pathophysiology, Biomedicine and Translational medicine, University of Tartu, Tartu, Estonia; Department of Traumatology and Orthopaedics, Tartu University Hospital, Tartu, Estonia
| | - Aare Martson
- Department of Traumatology and Orthopaedics, Tartu University Hospital, Tartu, Estonia; Clinic of Traumatology and Orthopaedics, Tartu University Hospital, Tartu, Estonia
| | - Ragini Vidya
- Department of Pharmaceutical Biotechnology, Poona College of Pharmacy, Pune, India
| | - Shreya Chitnavis
- Department of Pharmaceutical Biotechnology, Poona College of Pharmacy, Pune, India
| | - Abhay Harsulkar
- Department of Pathophysiology, Biomedicine and Translational medicine, University of Tartu, Tartu, Estonia; Department of Pharmaceutical Biotechnology, Poona College of Pharmacy, Pune, India.
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18
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Cheng TH, Yoon SH, Lee P, Dimaculangan D, Vikram Maheshwari A, Zhang M. Knee synovial fluid complement C3-β chain levels correlate with clinical symptoms of knee osteoarthritis. Int J Rheum Dis 2020; 23:569-575. [PMID: 31989759 DOI: 10.1111/1756-185x.13794] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 12/17/2019] [Accepted: 12/29/2019] [Indexed: 12/20/2022]
Abstract
AIM Early research found innate immune factor complement C3 in the synovial fluid (SF) and activated in serum of osteoarthritis (OA) patients. Whether synovial C3 comes from circulation, or is produced locally, is still unknown. It is also unclear whether synovial and circulating C3 is responsible to OA symptoms. A native C3 molecule consists of two chains, C3-α and C3-β. Small fragments breaking down from C3-α chain in serum and SF were reported to be related to OA severity. Little is known if C3-β chain is involved in the pathogenesis. METHOD In this study, we evaluated these important areas by biochemical analyses of C3-α and C3-β chains in both the SF and plasma of OA patients. RESULTS Our results showed that C3-α and C3-β levels in SF did not correlate with those in plasma, suggesting that synovial C3 is independently and locally produced, rather than being "leaked" from circulation. Synovial C3-β but not C3-α levels correlated with pain, other OA symptoms, function in daily living, and sports/recreational activities. Plasma C3-β levels only marginally correlated with pain, and plasma C3-α levels did not correlate with any of these OA symptoms. CONCLUSION We present first-hand evidence that the clinical symptoms of OA are mainly associated with C3 in the local SF rather than systemic circulation, suggesting local factors in the etiopathogenesis. Future local targeted therapies for pain management may be more effective and safer.
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Affiliation(s)
- Tzu Hsuan Cheng
- Department of Anesthesiology, SUNY Downstate Medical Center, Brooklyn, NY, USA
| | - Seung Ho Yoon
- Department of Anesthesiology, SUNY Downstate Medical Center, Brooklyn, NY, USA
| | - Philip Lee
- Department of Anesthesiology, SUNY Downstate Medical Center, Brooklyn, NY, USA
| | - Dennis Dimaculangan
- Department of Anesthesiology, SUNY Downstate Medical Center, Brooklyn, NY, USA
| | | | - Ming Zhang
- Department of Anesthesiology, SUNY Downstate Medical Center, Brooklyn, NY, USA.,Department of Orthopedics, SUNY Downstate Medical Center, Brooklyn, NY, USA
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19
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Intraarticular Ligament Degeneration Is Interrelated with Cartilage and Bone Destruction in Osteoarthritis. Cells 2019; 8:cells8090990. [PMID: 31462003 PMCID: PMC6769780 DOI: 10.3390/cells8090990] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 08/18/2019] [Accepted: 08/20/2019] [Indexed: 12/16/2022] Open
Abstract
Osteoarthritis (OA) induces inflammation and degeneration of all joint components including cartilage, joint capsule, bone and bone marrow, and ligaments. Particularly intraarticular ligaments, which connect the articulating bones such as the anterior cruciate ligament (ACL) and meniscotibial ligaments, fixing the fibrocartilaginous menisci to the tibial bone, are prone to the inflamed joint milieu in OA. However, the pathogenesis of ligament degeneration on the cellular level, most likely triggered by OA associated inflammation, remains poorly understood. Hence, this review sheds light into the intimate interrelation between ligament degeneration, synovitis, joint cartilage degradation, and dysbalanced subchondral bone remodeling. Various features of ligament degeneration accompanying joint cartilage degradation have been reported including chondroid metaplasia, cyst formation, heterotopic ossification, and mucoid and fatty degenerations. The entheses of ligaments, fixing ligaments to the subchondral bone, possibly influence the localization of subchondral bone lesions. The transforming growth factor (TGF)β/bone morphogenetic (BMP) pathway could present a link between degeneration of the osteochondral unit and ligaments with misrouted stem cell differentiation as one likely reason for ligament degeneration, but less studied pathways such as complement activation could also contribute to inflammation. Facilitation of OA progression by changed biomechanics of degenerated ligaments should be addressed in more detail in the future.
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20
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Stapane L, Le Roy N, Hincke MT, Gautron J. The glycoproteins EDIL3 and MFGE8 regulate vesicle-mediated eggshell calcification in a new model for avian biomineralization. J Biol Chem 2019; 294:14526-14545. [PMID: 31358619 DOI: 10.1074/jbc.ra119.009799] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/26/2019] [Indexed: 11/06/2022] Open
Abstract
The avian eggshell is a critical physical barrier, which permits extra-uterine development of the embryo. Its formation involves the fastest known biomineralization process in vertebrates. The eggshell consists of proteins and proteoglycans that interact with the mineral phase to impart its specific microstructure and mechanical properties. In this study, we investigated the role of epidermal growth factor (EGF)-like repeats and discoidin-like domains 3 (EDIL3) and milk fat globule-EGF factor 8 (MFGE8), two glycoproteins that are consistently detected in eggshell proteomes. We verified their common evolutionary history and identified the timing of the duplication event giving rise to these two distinct proteins. Edil3/mfge8 chromosomal locations revealed a nested syntenous relationship with other genes (hapln1/hapln3 and vcan/acan) that are also involved in vertebrate calcification. EDIL3 and MFGE8 proteins possess EGF-like and coagulation factor 5/8 (F5/8C) domains, and their 3D structures predicted that they bind calcium and extracellular vesicles. In chicken, we confirmed the presence of EDIL3 and MFGE8 proteins in eggshell, uterine fluid, and uterus. We observed that only edil3 is overexpressed in tissues in which eggshell mineralization takes place and that this overexpression occurs only at the onset of shell calcification. We therefore propose a model in which EDIL3 and, to a lesser extent, MFGE8 proteins guide vesicles containing amorphous calcium carbonate to the mineralization site. This model was supported by the observation that extracellular vesicles accumulate in uterine fluid during eggshell calcification and that they contain high levels of calcium, carbon, and oxygen that correspond to calcium carbonate.
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Affiliation(s)
| | | | - Maxwell T Hincke
- Department of Innovation in Medical Education, Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa K1H 8M5, Canada
| | - Joël Gautron
- BOA, INRA, Université de Tours, 37380 Nouzilly, France
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21
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Ni Z, Kuang L, Chen H, Xie Y, Zhang B, Ouyang J, Wu J, Zhou S, Chen L, Su N, Tan Q, Luo X, Chen B, Chen S, Yin L, Huang H, Du X, Chen L. The exosome-like vesicles from osteoarthritic chondrocyte enhanced mature IL-1β production of macrophages and aggravated synovitis in osteoarthritis. Cell Death Dis 2019; 10:522. [PMID: 31285423 PMCID: PMC6614358 DOI: 10.1038/s41419-019-1739-2] [Citation(s) in RCA: 103] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 05/28/2019] [Accepted: 05/31/2019] [Indexed: 02/07/2023]
Abstract
Synovitis, a common clinical symptom for osteoarthritis (OA) patients, is highly related to OA pathological progression and pain manifestation. The activated synovial macrophages have been demonstrated to play an important role in synovitis, but the mechanisms about macrophage activation are still not clear. In this study, we found that the exosome-like vesicles from osteoarthritic chondrocytes could be a new biological factor to stimulate inflammasome activation and increase mature IL-1β production in macrophages. The degraded cartilage explants produced more exosome-like vesicles than the nondegraded ones, while the exosome-like vesicles from chondrocytes could enter into joint synovium tissue and macrophages. Moreover, the exosome-like vesicles from osteoarthritic chondrocytes enhanced the production of mature IL-1β in macrophages. These vesicles could inhibit ATG4B expression via miR-449a-5p, leading to inhibition of autophagy in LPS-primed macrophages. The decreased autophagy promoted the production of mitoROS, which further enhanced the inflammasome activation and subsequent IL-1β processing. Ultimately, the increase of mature IL-1β may aggravate synovial inflammation and promote the progression of OA disease. Our study provides a new perspective to understand the activation of synovial macrophages and synovitis in OA patients, which may be beneficial for therapeutic intervention in synovitis-related OA patients.
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Affiliation(s)
- Zhenhong Ni
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Liang Kuang
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Hangang Chen
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Yangli Xie
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Bin Zhang
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Junjie Ouyang
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Jiangyi Wu
- Center for Joint Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), 400038, Chongqing, China
| | - Siru Zhou
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Liang Chen
- Department of Spine Surgery, Institute of Surgery Research, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Nan Su
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - QiaoYan Tan
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Xiaoqing Luo
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Bo Chen
- Department of Spine Surgery, Institute of Surgery Research, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Shuai Chen
- Department of Spine Surgery, Institute of Surgery Research, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Liangjun Yin
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Chongqing Medical University, 400010, Chongqing, China
| | - Haiyang Huang
- Department of Orthopedic Surgery, Qianjiang Nationality Hospital, 409000, Chongqing, China
| | - Xiaolan Du
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China
| | - Lin Chen
- Laboratory for the Rehabilitation of Traumatic Injuries, Laboratory of Trauma, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Research Institute of Surgery, Laboratory for Prevention and Rehabilitation of Military Training Related Injuries, Daping Hospital, Army Medical University (Third Military Medical University), 400042, Chongqing, China.
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Abstract
PURPOSE OF REVIEW Extracellular vesicles carry bioactive molecules that can be transferred between cells and tissues. The purpose of this review is to describe how extracellular vesicles regulate functions of cells in cartilage and other joint tissues. The potential application of extracellular vesicles in the treatment of osteoarthritis and as biomarkers will also be discussed. RECENT FINDINGS Extracellular vesicles are found in synovial fluid, in articular cartilage and in the supernatants of synoviocytes and chondrocytes. Extracellular vesicles in cartilage have been proposed to be involved in cross talk between cells in joint tissues and to affect extracellular matrix turnover and inflammation. Extracellular vesicles from arthritic joints can promote abnormal gene expression and changes in cartilage extracellular matrix, including abnormal mineralization. Promising results were obtained in the therapeutic application of mesenchymal stem cell-derived extracellular vesicles for cartilage repair and experimental osteoarthritis. SUMMARY Extracellular vesicles have emerged as vehicles for the exchange of bioactive signaling molecules within cartilage and between joint tissues to promote joint homeostasis and arthritis pathogenesis. As the molecular content of extracellular vesicles can be customized, they offer utility in therapeutic applications.
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Thomas NP, Wu WJ, Fleming BC, Wei F, Chen Q, Wei L. Synovial inflammation plays a greater role in post-traumatic osteoarthritis compared to idiopathic osteoarthritis in the Hartley guinea pig knee. BMC Musculoskelet Disord 2017; 18:556. [PMID: 29284451 PMCID: PMC5747041 DOI: 10.1186/s12891-017-1913-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Accepted: 12/14/2017] [Indexed: 12/15/2022] Open
Abstract
Background The objective of this study was to evaluate the extent of stromal cell-derived factor-1’s (SDF-1) involvement in the pathogenesis of idiopathic versus post-traumatic OA by comparing differences in synovial membrane morphology, SDF-1 synovial fluid (SF) concentrations, and matrix metalloproteinase-13 (MMP-13) SF concentrations. Methods Thirty-six 3-month-old Hartley guinea pigs were obtained and divided into 6 groups. Upon sacrifice, India Ink staining was used to evaluate gross morphology, Safranin O/Fast green staining was used to assess cartilage damage, H/E staining was employed to visualize the synovium, and SF samples were obtained for biochemical analyses. Sandwich ELISA was used to quantify the SF concentrations of SDF-1 and MMP-13. Results 12 month-old, idiopathic OA guinea pigs and 5.5 month-old ACLT animals had comparable cartilage damage when evaluated by the Modified Mankin Score. SDF-1 and MMP-13 concentrations were not statistically different between the two groups. The synovial membrane of the 5.5 month ACLT group had severe synovitis compared to the idiopathic OA group. Conclusion In this study, it was found that synovial inflammation, independent of cartilage morphology, SDF-1 concentration, and MMP-13 concentration, was markedly different between idiopathic and post-traumatic OA. These results highlight the differing morphological and biochemical profiles of post-traumatic versus idiopathic osteoarthritis and calls for a more thorough examination of the sole of the synovial membrane in the pathogenesis of post-traumatic osteoarthritis.
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Affiliation(s)
- Nathan P Thomas
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/RIH, CORO West, Suite 402H, 1 Hoppin Street, Providence, RI, 02903, USA.
| | - Wesley J Wu
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/RIH, CORO West, Suite 402H, 1 Hoppin Street, Providence, RI, 02903, USA
| | - Braden C Fleming
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/RIH, CORO West, Suite 402H, 1 Hoppin Street, Providence, RI, 02903, USA
| | - Fangyuan Wei
- Foot & Ankle Orthopaedic Surgery Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Qian Chen
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/RIH, CORO West, Suite 402H, 1 Hoppin Street, Providence, RI, 02903, USA
| | - Lei Wei
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/RIH, CORO West, Suite 402H, 1 Hoppin Street, Providence, RI, 02903, USA.,Department of Orthopaedics, the Second Hospital of Shanxi Medical University, Shanxi Key Lab of Bone and Soft Tissue Injury Repair, Taiyuan, China
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24
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Rilla K, Mustonen AM, Arasu UT, Härkönen K, Matilainen J, Nieminen P. Extracellular vesicles are integral and functional components of the extracellular matrix. Matrix Biol 2017; 75-76:201-219. [PMID: 29066152 DOI: 10.1016/j.matbio.2017.10.003] [Citation(s) in RCA: 99] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 10/10/2017] [Accepted: 10/16/2017] [Indexed: 12/18/2022]
Abstract
Extracellular vesicles (EV) are small plasma membrane-derived particles released into the extracellular space by virtually all cell types. Recently, EV have received increased interest because of their capability to carry nucleic acids, proteins, lipids and signaling molecules and to transfer their cargo into the target cells. Less attention has been paid to their role in modifying the composition of the extracellular matrix (ECM), either directly or indirectly via regulating the ability of target cells to synthesize or degrade matrix molecules. Based on recent results, EV can be considered one of the structural and functional components of the ECM that participate in matrix organization, regulation of cells within it, and in determining the physical properties of soft connective tissues, bone, cartilage and dentin. This review addresses the relevance of EV as specific modulators of the ECM, such as during the assembly and disassembly of the molecular network, signaling through the ECM and formation of niches suitable for tissue regeneration, inflammation and tumor progression. Finally, we assess the potential of these aspects of EV biology to translational medicine.
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Affiliation(s)
- Kirsi Rilla
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland.
| | - Anne-Mari Mustonen
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland
| | - Uma Thanigai Arasu
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland
| | - Kai Härkönen
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland
| | - Johanna Matilainen
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland
| | - Petteri Nieminen
- Faculty of Health Sciences, School of Medicine, Institute of Biomedicine, University of Eastern Finland, P.O. Box 1627, FI 70211, Kuopio, Finland
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Ourradi K, Sharif M. Opportunities and challenges for the discovery and validation of proteomic biomarkers for common arthritic diseases. Biomark Med 2017; 11:877-892. [PMID: 28976778 DOI: 10.2217/bmm-2016-0374] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Osteoarthritis (OA) and rheumatoid arthritis (RA) are most prevalent among all the rheumatic diseases, and currently, there are no reliable biochemical measures for early diagnosis or for predicting who is likely to progress. Early diagnosis is important for making decisions on treatment options and for better management of patients. This narrative review highlights the first-generation biomarkers identified over the last two decades and focuses on the discovery and validation of candidate OA biomarkers from recent mass-spectrometry-based proteomic studies for diagnosis and monitoring disease outcomes in human. It discusses the challenges and opportunities for discovery of novel biomarkers and progress in the development of techniques for measuring biomarkers, and provides directions for future discovery and validation of biomarkers for OA and rheumatoid arthritis.
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Affiliation(s)
- Khadija Ourradi
- Musculoskeletal Research Unit, Translational Health Sciences Bristol Medical School, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol BS10 5NB, UK
| | - Mohammed Sharif
- Musculoskeletal Research Unit, Translational Health Sciences Bristol Medical School, University of Bristol, Learning & Research Building, Southmead Hospital, Bristol BS10 5NB, UK
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26
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Schneider MC, Barnes CA, Bryant SJ. Characterization of the chondrocyte secretome in photoclickable poly(ethylene glycol) hydrogels. Biotechnol Bioeng 2017; 114:2096-2108. [PMID: 28436002 DOI: 10.1002/bit.26320] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 12/28/2016] [Accepted: 04/17/2017] [Indexed: 12/30/2022]
Abstract
Poly(ethylene glycol) (PEG) hydrogels are highly tunable platforms that are promising cell delivery vehicles for chondrocytes and cartilage tissue engineering. In addition to characterizing the type of extracellular matrix (ECM) that forms, understanding the types of proteins that are secreted by encapsulated cells may be important. Thus, the objectives for this study were to characterize the secretome of chondrocytes encapsulated in PEG hydrogels and determine whether the secretome varies as a function of hydrogel stiffness and culture condition. Bovine chondrocytes were encapsulated in photoclickable PEG hydrogels with a compressive modulus of 8 and 46 kPa and cultured under free swelling or dynamic compressive loading conditions. Cartilage ECM deposition was assessed by biochemical assays and immunohistochemistry. The conditioned medium was analyzed by liquid chromatography-tandem mass spectrometry. Chondrocytes maintained their phenotype within the hydrogels and deposited cartilage-specific ECM that increased over time and included aggrecan and collagens II and VI. Analysis of the secretome revealed a total of 64 proteins, which were largely similar among all experimental conditions. The identified proteins have diverse functions such as biological regulation, response to stress, and collagen fibril organization. Notably, many of the proteins important to the assembly of a collagen-rich cartilage ECM were identified and included collagen types II(α1), VI (α1, α2, and α3), IX (α1), XI (α1 and α2), and biglycan. In addition, many of the other identified proteins have been reported to be present within cell-secreted exosomes. In summary, chondrocytes encapsulated within photoclickable PEG hydrogels secrete many types of proteins that diffuse out of the hydrogel and which have diverse functions, but which are largely preserved across different hydrogel culture environments. Biotechnol. Bioeng. 2017;114: 2096-2108. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Margaret C Schneider
- Department of Chemical and Biological Engineering, University of Colorado, 3415 Colorado Ave, Campus Box 596, Boulder 80309, Colorado.,Biofrontiers Institute, University of Colorado, Boulder, Colorado
| | | | - Stephanie J Bryant
- Department of Chemical and Biological Engineering, University of Colorado, 3415 Colorado Ave, Campus Box 596, Boulder 80309, Colorado.,Biofrontiers Institute, University of Colorado, Boulder, Colorado.,Material Science and Engineering Program, University of Colorado, Boulder, Colorado
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27
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Carlson AK, McCutchen CN, June RK. Mechanobiological implications of articular cartilage crystals. Curr Opin Rheumatol 2017; 29:157-162. [DOI: 10.1097/bor.0000000000000368] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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28
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Armstrong JPK, Holme MN, Stevens MM. Re-Engineering Extracellular Vesicles as Smart Nanoscale Therapeutics. ACS NANO 2017; 11:69-83. [PMID: 28068069 PMCID: PMC5604727 DOI: 10.1021/acsnano.6b07607] [Citation(s) in RCA: 387] [Impact Index Per Article: 55.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
In the past decade, extracellular vesicles (EVs) have emerged as a key cell-free strategy for the treatment of a range of pathologies, including cancer, myocardial infarction, and inflammatory diseases. Indeed, the field is rapidly transitioning from promising in vitro reports toward in vivo animal models and early clinical studies. These investigations exploit the high physicochemical stability and biocompatibility of EVs as well as their innate capacity to communicate with cells via signal transduction and membrane fusion. This review focuses on methods in which EVs can be chemically or biologically modified to broaden, alter, or enhance their therapeutic capability. We examine two broad strategies, which have been used to introduce a wide range of nanoparticles, reporter systems, targeting peptides, pharmaceutics, and functional RNA molecules. First, we explore how EVs can be modified by manipulating their parent cells, either through genetic or metabolic engineering or by introducing exogenous material that is subsequently incorporated into secreted EVs. Second, we consider how EVs can be directly functionalized using strategies such as hydrophobic insertion, covalent surface chemistry, and membrane permeabilization. We discuss the historical context of each specific technology, present prominent examples, and evaluate the complexities, potential pitfalls, and opportunities presented by different re-engineering strategies.
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Affiliation(s)
- James PK Armstrong
- Department of Materials, Department of Bioengineering, and Institute for Biomedical Engineering, Imperial College, London, U.K. SW7 2AZ
| | - Margaret N Holme
- Department of Materials, Department of Bioengineering, and Institute for Biomedical Engineering, Imperial College, London, U.K. SW7 2AZ
| | - Molly M Stevens
- Department of Materials, Department of Bioengineering, and Institute for Biomedical Engineering, Imperial College, London, U.K. SW7 2AZ
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Extracellular Vesicles and Autophagy in Osteoarthritis. BIOMED RESEARCH INTERNATIONAL 2016; 2016:2428915. [PMID: 28078284 PMCID: PMC5203887 DOI: 10.1155/2016/2428915] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 11/09/2016] [Accepted: 11/13/2016] [Indexed: 12/31/2022]
Abstract
Osteoarthritis (OA) is a type of chronic joint disease that is characterized by the degeneration and loss of articular cartilage and hyperplasia of the synovium and subchondral bone. There is reasonable knowledge about articular cartilage physiology, biochemistry, and chondrocyte metabolism. However, the etiology and pathogenesis of OA remain unclear and need urgent clarification to guide the early diagnosis and treatment of OA. Extracellular vesicles (EVs) are small membrane-linking particles that are released from cells. In recent decades, several special biological properties have been found in EV, especially in terms of cartilage. Autophagy plays a critical role in the regulation of cellular homeostasis. Likewise, more and more research has gradually focused on the effect of autophagy on chondrocyte proliferation and function in OA. The synthesis and release of EV are closely associated with autophagy. At the same time, both EV and autophagy play a role in OA development. Based on the mechanism of EV and autophagy in OA development, EV may be beneficial in the early diagnosis of OA; on the other hand, the combination of EV and autophagy-related regulatory drugs may provide insight into possible OA therapeutic strategies.
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Vinatier C, Merceron C, Guicheux J. Osteoarthritis: from pathogenic mechanisms and recent clinical developments to novel prospective therapeutic options. Drug Discov Today 2016; 21:1932-1937. [PMID: 27616187 DOI: 10.1016/j.drudis.2016.08.011] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 07/28/2016] [Accepted: 08/30/2016] [Indexed: 11/24/2022]
Abstract
Osteoarthritis (OA) is a degenerative joint disease that, despite recent progress, has no curative treatment. Considerable research has recently been initiated to identify new potential therapeutic targets. In this review, we will set forth some of the major discoveries in the past 5 years, notably those dealing with the identification of pathogenic factors [hypoxia-inducible factors (HIFs), complement, transforming growth factor (TGF)-β and zinc-ZIP8]. New drugs and concepts currently in clinical development [anti-nerve growth factor (NGF), mesenchymal stromal cells and fibroblast growth factor (FGF)-18] will then be addressed. Finally, we will consider prospective avenues that could lead to mid-to-long-term developments of novel therapeutic concepts, notably those dealing with autophagy regulation and induced pluripotent stem cells.
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Affiliation(s)
- Claire Vinatier
- INSERM, UMRS 791-LIOAD, STEP Group, Nantes, France; Nantes University, UFR Odontology, Nantes, France
| | - Christophe Merceron
- INSERM, UMRS 791-LIOAD, STEP Group, Nantes, France; Nantes University, UFR Odontology, Nantes, France
| | - Jerome Guicheux
- INSERM, UMRS 791-LIOAD, STEP Group, Nantes, France; Nantes University, UFR Odontology, Nantes, France; CHU Nantes, PHU4 OTONN, Nantes, France.
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31
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Wei Y, Bai L. Recent advances in the understanding of molecular mechanisms of cartilage degeneration, synovitis and subchondral bone changes in osteoarthritis. Connect Tissue Res 2016; 57:245-61. [PMID: 27285430 DOI: 10.1080/03008207.2016.1177036] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Osteoarthritis (OA), the most common form of degenerative joint disease, is linked to high morbidity. It is predicted to be the single greatest cause of disability in the general population by 2030. The development of disease-modifying therapy for OA currently face great obstacle mainly because the onset and development of the disease involve complex molecular mechanisms. In this review, we will comprehensively summarize biological and pathological mechanisms of three key aspects: degeneration of articular cartilage, synovial immunopathogenesis, and changes in subchondral bone. For each tissue, we will focus on the molecular receptors, cytokines, peptidases, related cell, and signal pathways. Agents that specifically block mechanisms involved in synovial inflammation, degeneration of articular cartilage, and subchondral bone remodeling can potentially be exploited to produce targeted therapy for OA. Such new comprehensive agents will benefit affected patients and bring exciting new hope for the treatment of OA.
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Affiliation(s)
- Yingliang Wei
- a Department of Orthopedic Surgery, Sheng-Jing Hospital , China Medical University , ShenYang , China
| | - Lunhao Bai
- a Department of Orthopedic Surgery, Sheng-Jing Hospital , China Medical University , ShenYang , China
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32
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Chen Q, Bei JJ, Liu C, Feng SB, Zhao WB, Zhou Z, Yu ZP, Du XJ, Hu HY. HMGB1 Induces Secretion of Matrix Vesicles by Macrophages to Enhance Ectopic Mineralization. PLoS One 2016; 11:e0156686. [PMID: 27243975 PMCID: PMC4887028 DOI: 10.1371/journal.pone.0156686] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 05/18/2016] [Indexed: 12/14/2022] Open
Abstract
Numerous clinical conditions have been linked to ectopic mineralization (EM). This process of pathological biomineralization is complex and not fully elucidated, but thought to be started within matrix vesicles (MVs). We hypothesized that high mobility group box 1 (HMGB1), a cytokine associated with biomineralizing process under physiological and pathological conditions, induces EM via promoting MVs secretion from macrophages. In this study, we found that HMGB1 significantly promoted secretion of MVs from macrophages and subsequently led to mineral deposition in elevated Ca/Pi medium in vitro. Transmission electron microscopy of calcifying MVs showed formation of hydroxyapatite crystals in the vesicle interior. Subcutaneous injection into mice with MVs derived from HMGB1-treated cells showed a greater potential to initiate regional mineralization. Mechanistic experiments revealed that HMGB1 activated neutral sphingomyelinase2 (nSMase2) that involved the receptor for advanced glycation end products (RAGE) and p38 MAPK (upstream of nSMase2). Inhibition of nSMase2 with GW4869 or p38 MAPK with SB-239063 prevented MVs secretion and mineral deposition. Collectively, HMGB1 induces MVs secretion from macrophages at least in part, via the RAGE/p38 MAPK/nSMase2 signaling pathway. Our findings thus reveal a novel mechanism by which HMGB1 induces ectopic mineralization.
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Affiliation(s)
- Qiang Chen
- Department of Cardiology, Southwest Hospital, Third Military Medical University, Chongqing, China
- Department of Out-patient, Naval University of Engineering, Wuhan, China
| | - Jun-Jie Bei
- Department of Cardiology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Chuan Liu
- Department of Occupational Health, Faculty of Preventive Medicine, Third Military Medical University, Chongqing, China
| | - Shi-Bin Feng
- Department of Cardiology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Wei-Bo Zhao
- Department of Cardiology, Southwest Hospital, Third Military Medical University, Chongqing, China
| | - Zhou Zhou
- Department of Occupational Health, Faculty of Preventive Medicine, Third Military Medical University, Chongqing, China
| | - Zheng-Ping Yu
- Department of Occupational Health, Faculty of Preventive Medicine, Third Military Medical University, Chongqing, China
| | - Xiao-Jun Du
- Experimental Cardiology, Baker IDI Heart and Diabetes Institute, and Central Clinical School, Monash University, Melbourne, Australia
| | - Hou-Yuan Hu
- Department of Cardiology, Southwest Hospital, Third Military Medical University, Chongqing, China
- * E-mail:
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Chaudhary SC, Kuzynski M, Bottini M, Beniash E, Dokland T, Mobley CG, Yadav MC, Poliard A, Kellermann O, Millán JL, Napierala D. Phosphate induces formation of matrix vesicles during odontoblast-initiated mineralization in vitro. Matrix Biol 2016; 52-54:284-300. [PMID: 26883946 PMCID: PMC4875887 DOI: 10.1016/j.matbio.2016.02.003] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 02/09/2016] [Accepted: 02/09/2016] [Indexed: 02/06/2023]
Abstract
Mineralization is a process of deposition of calcium phosphate crystals within a fibrous extracellular matrix (ECM). In mineralizing tissues, such as dentin, bone and hypertrophic cartilage, this process is initiated by a specific population of extracellular vesicles (EV), called matrix vesicles (MV). Although it has been proposed that MV are formed by shedding of the plasma membrane, the cellular and molecular mechanisms regulating formation of mineralization-competent MV are not fully elucidated. In these studies, 17IIA11, ST2, and MC3T3-E1 osteogenic cell lines were used to determine how formation of MV is regulated during initiation of the mineralization process. In addition, the molecular composition of MV secreted by 17IIA11 cells and exosomes from blood and B16-F10 melanoma cell line was compared to identify the molecular characteristics distinguishing MV from other EV. Western blot analyses demonstrated that MV released from 17IIA11 cells are characterized by high levels of proteins engaged in calcium and phosphate regulation, but do not express the exosomal markers CD81 and HSP70. Furthermore, we uncovered that the molecular composition of MV released by 17IIA11 cells changes upon exposure to the classical inducers of osteogenic differentiation, namely ascorbic acid and phosphate. Specifically, lysosomal proteins Lamp1 and Lamp2a were only detected in MV secreted by cells stimulated with osteogenic factors. Quantitative nanoparticle tracking analyses of MV secreted by osteogenic cells determined that standard osteogenic factors stimulate MV secretion and that phosphate is the main driver of their secretion. On the molecular level, phosphate-induced MV secretion is mediated through activation of extracellular signal-regulated kinases Erk1/2 and is accompanied by re-organization of filamentous actin. In summary, we determined that mineralization-competent MV are distinct from exosomes, and we identified a new role of phosphate in the process of ECM mineralization. These data provide novel insights into the mechanisms of MV formation during initiation of the mineralization process.
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Affiliation(s)
- Sandeep C Chaudhary
- Department of Oral and Maxillofacial Surgery, Institute of Oral Health Research, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Maria Kuzynski
- Department of Oral and Maxillofacial Surgery, Institute of Oral Health Research, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Massimo Bottini
- Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, Rome, Italy; Inflammatory and Infectious Disease Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Elia Beniash
- Department of Oral Biology, University of Pittsburgh School of Dental Medicine, Pittsburgh, PA, USA
| | - Terje Dokland
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Callie G Mobley
- Department of Oral and Maxillofacial Surgery, Institute of Oral Health Research, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Manisha C Yadav
- Sanford Children's Health Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Anne Poliard
- EA2496 UFR d'Odontologie, Université Paris Descartes, Montrouge, France
| | - Odile Kellermann
- INSERM UMR-S 1124, Université René Descartes Paris 5, Centre Universitaire des Saints-Pères, Paris, France
| | - José Luis Millán
- Sanford Children's Health Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Dobrawa Napierala
- Department of Oral and Maxillofacial Surgery, Institute of Oral Health Research, School of Dentistry, University of Alabama at Birmingham, Birmingham, AL, USA.
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Cui Y, Xu Q, Luan J, Hu S, Pan J, Han J, Ji Z. MVsCarta: A protein database of matrix vesicles to aid understanding of biomineralization. Biosci Trends 2016; 9:190-2. [PMID: 26166372 DOI: 10.5582/bst.2015.01061] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Matrix vesicles (MVs) are membranous nanovesicles released by chondrocytes, osteoblasts, and odontoblasts. They play a critical role in modulating mineralization. Here, we present a manually curated database of MV proteins, namely MVsCara to provide comprehensive information on MVs of protein components. In the current version, the database contains 2,713 proteins of six organisms identified in bone, cartilage, tooth tissues, and cells capable of producing a mineralized bone matrix. The MVsCarta database is now freely assessed at http://bioinf.xmu.edu.cn/MVsCarta. The search and browse methods were developed for better retrieval of data. In addition, bioinformatic tools like Gene Ontology (GO) analysis, network visualization and protein-protein interaction analysis were implemented for a functional understanding of MVs components. Similar database hasn't been reported yet. We believe that this free web-based database might serve as a useful repository to elucidate the novel function and regulation of MVs during mineralization, and to stimulate the advancement of MV studies.
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Affiliation(s)
- Yazhou Cui
- Shandong Medicinal Biotechnology Center, Shandong Academy of Medical Sciences, Key Laboratory for Biotech-Drugs Ministry of Health
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Abstract
PURPOSE OF REVIEW Articular cartilage vesicles (ACVs) are small extracellular vesicles that serve as foci of pathologic calcium crystal deposition in articular cartilage matrix. In this review, I have summarized the role of ACVs in calcium crystal formation and discuss recent findings that impact our understanding of the content, behavior, and origin of ACVs in healthy and diseased joints. The burgeoning interest in extracellular vesicles in other fields renders this a timely and relevant topic. RECENT FINDINGS I have highlighted recent studies demonstrating that some ACVs originate in the autophagic pathway in healthy articular chondrocytes. I have reviewed accumulating evidence that nonmineralizing functions of ACVs contribute to osteoarthritis. I have also discussed new work supporting a role for extracellular vesicles in interleukin-1β-induced mineralization and in mediating the catabolic effects of synovial inflammation in osteoarthritis. SUMMARY We are making slow and steady progress in understanding the origin and function of ACVs and other relevant extracellular vesicles in arthritis. Further work in this interesting area is warranted.
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Affiliation(s)
- Ann K. Rosenthal
- Division of Rheumatology, Department of Medicine, Medical College of Wisconsin, USA
- Zablocki VA Medical Center, Milwaukee, Wisconsin, USA
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Inflammation in joint injury and post-traumatic osteoarthritis. Osteoarthritis Cartilage 2015; 23:1825-34. [PMID: 26521728 PMCID: PMC4630675 DOI: 10.1016/j.joca.2015.08.015] [Citation(s) in RCA: 287] [Impact Index Per Article: 31.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Revised: 08/24/2015] [Accepted: 08/28/2015] [Indexed: 02/07/2023]
Abstract
Inflammation is a variable feature of osteoarthritis (OA), associated with joint symptoms and progression of disease. Signs of inflammation can be observed in joint fluids and tissues from patients with joint injuries at risk for development of post-traumatic osteoarthritis (PTOA). Furthermore, inflammatory mechanisms are hypothesized to contribute to the risk of OA development and progression after injury. Animal models of PTOA have been instrumental in understanding factors and mechanisms involved in chronic progressive cartilage degradation observed after a predisposing injury. Specific aspects of inflammation observed in humans, including cytokine and chemokine production, synovial reaction, cellular infiltration and inflammatory pathway activation, are also observed in models of PTOA. Many of these models are now being utilized to understand the impact of post-injury inflammatory response on PTOA development and progression, including risk of progressive cartilage degeneration and development of chronic symptoms post-injury. As evidenced from these models, a vigorous inflammatory response occurs very early after joint injury but is then sustained at a lower level at the later phases. This early inflammatory response contributes to the development of PTOA features including cartilage erosion and is potentially modifiable, but specific mediators may also play a role in tissue repair. Although the optimal approach and timing of anti-inflammatory interventions after joint injury are yet to be determined, this body of work should provide hope for the future of disease modification tin PTOA.
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Shapiro IM, Landis WJ, Risbud MV. Matrix vesicles: Are they anchored exosomes? Bone 2015; 79:29-36. [PMID: 25980744 PMCID: PMC4501874 DOI: 10.1016/j.bone.2015.05.013] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Revised: 05/05/2015] [Accepted: 05/08/2015] [Indexed: 10/23/2022]
Abstract
Numerous studies have documented that matrix vesicles are unique extracellular membrane-bound microparticles that serve as initial sites for mineral formation in the growth plate and most other vertebrate mineralizing tissues. Microparticle generation is not confined to hard tissues, as cells in soft tissues generate similar structures; numerous studies have shown that a common type of extracellular particle, termed an exosome, a product of the endosomal pathway, shares many characteristics of matrix vesicles. Indeed, analyses of size, morphology and lipid and protein content indicate that matrix vesicles and exosomes are homologous structures. Such a possibility impacts our understanding of the biogenesis, processing and function of matrix vesicles (exosomes) in vertebrate hard tissues and explains in part how cells control the earliest stages of mineral deposition. Moreover, since exosomes influence a spectrum of functions, including cell-cell communication, it is suggested that this type of microparticle may provide a mechanism for the transfer of signaling molecules between cells within the growth plate and thereby regulate endochondral bone development and formation.
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Affiliation(s)
- Irving M Shapiro
- Department of Orthopedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA.
| | - William J Landis
- Department of Polymer Science, College of Polymer Science and Polymer Engineering, University of Akron, OH, USA
| | - Makarand V Risbud
- Department of Orthopedic Surgery, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA
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Jaros JA, Rahmoune H, Wesseling H, Leweke FM, Ozcan S, Guest PC, Bahn S. Effects of olanzapine on serum protein phosphorylation patterns in patients with schizophrenia. Proteomics Clin Appl 2015; 9:907-16. [PMID: 25821032 DOI: 10.1002/prca.201400148] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Revised: 01/14/2015] [Accepted: 03/10/2015] [Indexed: 12/23/2022]
Abstract
PURPOSE Previous studies have shown that blood serum phosphoproteins are altered in schizophrenia patients in comparison to controls. However, it is not known whether phosphoproteins are also changed in response to treatment with antipsychotics. EXPERIMENTAL DESIGN Blood samples were taken from patients (n = 23) at baseline and after 6 weeks of olanzapine treatment. Immobilized metal ion affinity chromatography (IMAC) was used for enrichment of serum phosphoproteins and these were analyzed by label-free LC-MS in expression mode (LC-MS(E) ). RESULTS We identified 11 proteins that were changed significantly in overall abundance and 45 proteins that showed changes in phosphorylation after the antipsychotic treatment. The altered phosphoproteins were mainly involved in the acute phase response, lipid and glucose homeostasis (LXR), retinoic acid signaling (RXR), and complement pathways. Some of the proteins showed a marked increase in phosphorylation, including apolipoprotein A-I (3.4-fold), alpha-1-anti-chymotrypsin (3.1-fold), and apolipoprotein B-100 (2.2-fold). In addition, several proteins showed either decreased phosphorylation (e.g. complement C4A, collagen alpha-1 chain, complement factor H) or a mixture of increased and decreased phoshphorylation (e.g. afamin, complement C5, complement factor B). Finally, 24 of the altered phosphoproteins showed opposite directional changes in a comparison of baseline schizophrenia patients before and after treatment with olanzapine. These included alpha-1B-glycoprotein, apolipoprotein A-IV, vitamin D-binding protein, and prothrombin. CONCLUSIONS AND CLINICAL RELEVANCE These data demonstrate the potential for future studies of serum phosphoproteins as a readout of physiological function and might have utility in studies aimed at identification of biomarkers for drug response prediction or monitoring.
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Affiliation(s)
- Julian A Jaros
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
- Novartis Institutes of Biomedical Research (NIBR), Novartis Campus, Fabrikstrasse, Basel, Switzerland
| | - Hassan Rahmoune
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Hendrik Wesseling
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - F Markus Leweke
- Department of Psychiatry and Psychotherapy, University of Cologne, Cologne, Germany
- Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany
| | - Sureyya Ozcan
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Paul C Guest
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
| | - Sabine Bahn
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, UK
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Ruiz-Romero C, Fernández-Puente P, Calamia V, Blanco FJ. Lessons from the proteomic study of osteoarthritis. Expert Rev Proteomics 2015; 12:433-43. [PMID: 26152498 DOI: 10.1586/14789450.2015.1065182] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Osteoarthritis is the most common rheumatic pathology and one of the leading causes of disability worldwide. It is a very complex disease whose etiopathogenesis is not fully understood. Furthermore, there are serious limitations for its management, since it lacks specific and sensitive biomarkers for early diagnosis, prognosis and therapeutic monitoring. Proteomic approaches performed in the last few decades have contributed to the knowledge on the molecular mechanisms that participate in this pathology and they have also led to interesting panels of putative biomarker candidates. In the next few years, further efforts should be made for translating these findings into the clinical routines. It is expected that targeted proteomics strategies will be highly valuable for the verification and qualification of biomarkers of osteoarthritis.
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Affiliation(s)
- Cristina Ruiz-Romero
- Rheumatology Division, ProteoRed/ISCIII Proteomics Group, INIBIC - Hospital Universitario de A Coruña, 15006 A Coruña, Spain
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Rosenthal AK, Gohr CM, Mitton-Fitzgerald E, Grewal R, Ninomiya J, Coyne CB, Jackson WT. Autophagy modulates articular cartilage vesicle formation in primary articular chondrocytes. J Biol Chem 2015; 290:13028-38. [PMID: 25869133 DOI: 10.1074/jbc.m114.630558] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Indexed: 01/05/2023] Open
Abstract
Chondrocyte-derived extracellular organelles known as articular cartilage vesicles (ACVs) participate in non-classical protein secretion, intercellular communication, and pathologic calcification. Factors affecting ACV formation and release remain poorly characterized; although in some cell types, the generation of extracellular vesicles is associated with up-regulation of autophagy. We sought to determine the role of autophagy in ACV production by primary articular chondrocytes. Using an innovative dynamic model with a light scatter nanoparticle counting apparatus, we determined the effects of autophagy modulators on ACV number and content in conditioned medium from normal adult porcine and human osteoarthritic chondrocytes. Healthy articular chondrocytes release ACVs into conditioned medium and show significant levels of ongoing autophagy. Rapamycin, which promotes autophagy, increased ACV numbers in a dose- and time-dependent manner associated with increased levels of autophagy markers and autophagosome formation. These effects were suppressed by pharmacologic autophagy inhibitors and short interfering RNA for ATG5. Caspase-3 inhibition and a Rho/ROCK inhibitor prevented rapamycin-induced increases in ACV number. Osteoarthritic chondrocytes, which are deficient in autophagy, did not increase ACV number in response to rapamycin. SMER28, which induces autophagy via an mTOR-independent mechanism, also increased ACV number. ACVs induced under all conditions had similar ecto-enzyme specific activities and types of RNA, and all ACVs contained LC3, an autophagosome-resident protein. These findings identify autophagy as a critical participant in ACV formation, and augment our understanding of ACVs in cartilage disease and repair.
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Affiliation(s)
- Ann K Rosenthal
- From the Division of Rheumatology, Department of Medicine, Zablocki VA Medical Center, Milwaukee, Wisconsin 53295,
| | - Claudia M Gohr
- From the Division of Rheumatology, Department of Medicine, Zablocki VA Medical Center, Milwaukee, Wisconsin 53295
| | - Elizabeth Mitton-Fitzgerald
- From the Division of Rheumatology, Department of Medicine, Zablocki VA Medical Center, Milwaukee, Wisconsin 53295
| | - Rupinder Grewal
- From the Division of Rheumatology, Department of Medicine, Zablocki VA Medical Center, Milwaukee, Wisconsin 53295
| | | | - Carolyn B Coyne
- Department of Microbiology and Molecular Genetics, University of Pittsburgh, Pittsburgh, Pennsylvania 15219
| | - William T Jackson
- Microbiology and Molecular Genetics and Center for Infectious Disease Research, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, and
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Abstract
Our friend and colleague, Dr. Dick Heinegård, contributed greatly to the understanding of joint tissue biochemistry, the discovery and validation of arthritis-related biomarkers and the establishment of methodology for proteomic studies in osteoarthritis (OA). To date, discovery of OA-related biomarkers has focused on cartilage, synovial fluid and serum. Methods, such as affinity depletion and hyaluronidase treatment have facilitated proteomics discovery research from these sources. Osteoarthritis usually involves multiple joints; this characteristic makes it easier to detect OA with a systemic biomarker but makes it hard to delineate abnormalities of individual affected joints. Although the abundance of cartilage proteins in urine may generally be lower than other tissue/sample sources, the protein composition of urine is much less complex and its collection is non-invasive thereby facilitating the development of patient friendly biomarkers. To date however, relatively few proteomics studies have been conducted in OA urine. Proteomics strategies have identified many proteins that may relate to pathological mechanisms of OA. Further targeted approaches to validate the role of these proteins in OA are needed. Herein we summarize recent proteomic studies related to joint tissues and the cohorts used; a clear understanding of the cohorts is important for this work as we expect that the decisive discoveries of OA-related biomarkers rely on comprehensive phenotyping of healthy non-OA and OA subjects. Besides the common phenotyping criteria that include, gender, age, and body mass index (BMI), it is essential to collect data on symptoms and signs of OA outside the index joints and to bolster this with objective imaging data whenever possible to gain the most precise appreciation of the total burden of disease. Proteomic studies on systemic biospecimens, such as serum and urine, rely on comprehensive phenotyping data to unravel the true meaning of the proteomic results.
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Dalbeth N, Zhong CS, Grainger R, Khanna D, Khanna PP, Singh JA, McQueen FM, Taylor WJ. Outcome measures in acute gout: a systematic literature review. J Rheumatol 2014; 41:558-68. [PMID: 24334652 PMCID: PMC4217650 DOI: 10.3899/jrheum.131244] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
OBJECTIVE Five core domains have been endorsed by Outcome Measures in Rheumatology (OMERACT) for acute gout: pain, joint swelling, joint tenderness, patient global assessment, and activity limitation. We evaluated instruments for these domains according to the OMERACT filter: truth, feasibility, and discrimination. METHODS A systematic search strategy for instruments used to measure the acute gout core domains was formulated. For each method, articles were assessed by 2 reviewers to summarize information according to the specific components of the OMERACT filter. RESULTS Seventy-seven articles and abstracts met the inclusion criteria. Pain was most frequently reported (76 studies, 20 instruments). The pain instruments used most often were 100 mm visual analog scale (VAS) and 5-point Likert scale. Both methods have high feasibility, face and content validity, and within- and between-group discrimination. Four-point Likert scales assessing index joint swelling and tenderness have been used in numerous acute gout studies; these instruments are feasible, with high face and content validity, and show within- and between-group discrimination. Five-point Patient Global Assessment of Response to Treatment (PGART) scales are feasible and valid, and show within- and between-group discrimination. Measures of activity limitations were infrequently reported, and insufficient data were available to make definite assessments of the instruments for this domain. CONCLUSION Many different instruments have been used to assess the acute gout core domains. Pain VAS and 5-point Likert scales, 4-point Likert scales of index joint swelling and tenderness and 5-point PGART instruments meet the criteria for the OMERACT filter.
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Affiliation(s)
- Nicola Dalbeth
- Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Cathy S Zhong
- Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Rebecca Grainger
- Department of Medicine, University of Otago, Wellington, New Zealand
| | - Dinesh Khanna
- Division of Rheumatology, University of Michigan, Ann Arbor, MI, USA
| | - Puja P Khanna
- Division of Rheumatology, University of Michigan, Ann Arbor, MI, USA
| | - Jasvinder A Singh
- Birmingham Veterans Affairs Medical Center and University of Alabama at Birmingham, Birmingham, AL. USA
| | - Fiona M McQueen
- Department of Medicine, University of Auckland, Auckland, New Zealand
| | - William J Taylor
- Department of Medicine, University of Otago, Wellington, New Zealand
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Nacher JC, Keith B, Schwartz JM. Network medicine analysis of chondrocyte proteins towards new treatments of osteoarthritis. Proc Biol Sci 2014; 281:20132907. [PMID: 24430851 DOI: 10.1098/rspb.2013.2907] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Osteoarthritis (OA) is a progressive disorder with high incidence in the ageing human population that still has no treatment currently. This disorder induces the breakdown of articular cartilage, leading to the exposure and damage of bone surfaces. For a global understanding of OA development, the systematic integration of known OA-related proteins with protein-protein interaction (PPI) networks is required. In this work, the OA-related interactome was reconstructed using multiple data sources to have the most up-to-date information on OA-related proteins and their interactions. We then combined emergent concepts in network medicine to detect new unclassified OA-related proteins. The mapping of known OA-related proteins with PPI networks showed that these proteins are locally connected to each other and agglomerated in a large component. To expand this module, we applied a diffusion-based algorithm that probabilistically induces more searches in the vicinity of the seed OA-related proteins. As a result, the 10 topmost ranked proteins were connected to the OA disease module, supporting the local hypothesis. We computed structural modules and selected those that had the highest enrichment of OA-related proteins. The identified molecules show a link between structural topology and disease dysfunctionality. Interestingly, the protein Q6EEV6 was highlighted for OA association by both methods, reinforcing the potential involvement of this protein. These results suggest that similar disease-connected modules may exist in different human disorders, which could lead to systematic identification of genes or proteins that have a joint role in specific disease phenotypes.
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Affiliation(s)
- Jose C Nacher
- Department of Information Science, Faculty of Science, Toho University, , Miyama 2-2-1, Funabashi, Chiba 274-8510, Japan, Faculty of Life Sciences, University of Manchester, , Manchester M13 9PT, UK
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Balakrishnan L, Bhattacharjee M, Ahmad S, Nirujogi RS, Renuse S, Subbannayya Y, Marimuthu A, Srikanth SM, Raju R, Dhillon M, Kaur N, Jois R, Vasudev V, Ramachandra Y, Sahasrabuddhe NA, Prasad TK, Mohan S, Gowda H, Shankar S, Pandey A. Differential proteomic analysis of synovial fluid from rheumatoid arthritis and osteoarthritis patients. Clin Proteomics 2014; 11:1. [PMID: 24393543 PMCID: PMC3918105 DOI: 10.1186/1559-0275-11-1] [Citation(s) in RCA: 92] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 12/10/2013] [Indexed: 01/09/2023] Open
Abstract
Background Rheumatoid arthritis and osteoarthritis are two common musculoskeletal disorders that affect the joints. Despite high prevalence rates, etiological factors involved in these disorders remain largely unknown. Dissecting the molecular aspects of these disorders will significantly contribute to improving their diagnosis and clinical management. In order to identify proteins that are differentially expressed between these two conditions, a quantitative proteomic profiling of synovial fluid obtained from rheumatoid arthritis and osteoarthritis patients was carried out by using iTRAQ labeling followed by high resolution mass spectrometry analysis. Results We have identified 575 proteins out of which 135 proteins were found to be differentially expressed by ≥3-fold in the synovial fluid of rheumatoid arthritis and osteoarthritis patients. Proteins not previously reported to be associated with rheumatoid arthritis including, coronin-1A (CORO1A), fibrinogen like-2 (FGL2), and macrophage capping protein (CAPG) were found to be upregulated in rheumatoid arthritis. Proteins such as CD5 molecule-like protein (CD5L), soluble scavenger receptor cysteine-rich domain-containing protein (SSC5D), and TTK protein kinase (TTK) were found to be upregulated in the synovial fluid of osteoarthritis patients. We confirmed the upregulation of CAPG in rheumatoid arthritis synovial fluid by multiple reaction monitoring assay as well as by Western blot. Pathway analysis of differentially expressed proteins revealed a significant enrichment of genes involved in glycolytic pathway in rheumatoid arthritis. Conclusions We report here the largest identification of proteins from the synovial fluid of rheumatoid arthritis and osteoarthritis patients using a quantitative proteomics approach. The novel proteins identified from our study needs to be explored further for their role in the disease pathogenesis of rheumatoid arthritis and osteoarthritis. Sartaj Ahmad and Raja Sekhar Nirujogi contributed equally to this article.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Subramanian Shankar
- Department of Internal Medicine, Armed Forces Medical College, Pune 411040, India.
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Uzuki M, Sawai T, Ryan LM, Rosenthal AK, Masuda I. Upregulation of ANK protein expression in joint tissue in calcium pyrophosphate dihydrate crystal deposition disease. J Rheumatol 2013; 41:65-74. [PMID: 24293574 DOI: 10.3899/jrheum.111476] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Accumulation of excess extracellular inorganic pyrophosphate leads to calcium pyrophosphate dihydrate (CPPD) crystal formation in articular cartilage. CPPD crystal formation occurs near morphologically abnormal chondrocytes resembling hypertrophic chondrocytes. The ANK protein was recently implicated as an important factor in the transport of intracellular inorganic pyrophosphate across the cell membrane. We characterized ANK in joint tissues from patients with and without CPPD deposition and correlated the presence of ANK with markers of chondrocyte hypertrophy. METHODS Articular tissues were obtained from 24 patients with CPPD crystal deposition disease, 11 patients with osteoarthritis (OA) without crystals, and 6 controls. We determined the number of ANK-positive cells in joint tissues using immunohistochemistry and in situ hybridization, and correlated ANK positivity with markers of chondrocyte hypertrophy including Runx2, type X collagen, osteopontin (OPN), and osteocalcin (OCN). RESULTS ANK was detected in synoviocytes, chondrocytes, osteoblasts, and osteocytes. ANK was seen extracellularly only in the matrix of cartilage and meniscus. The number of ANK-positive cells was significantly higher in CPPD than in OA or normal joint tissues. The amount and intensity of ANK immunoreactivity reached maximum levels in the large chondrocytes around crystal deposits. ANK was similarly distributed to and significantly correlated with Runx2, type X collagen, OPN, and OCN. CONCLUSION ANK levels were higher in articular tissues from patients with CPPD deposition. ANK was concentrated around crystal deposits and correlated with markers of chondrocyte hypertrophy. These findings support a role for ANK in CPPD crystal formation in cartilage.
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Affiliation(s)
- Miwa Uzuki
- From the Department of Pathology, Division of Leading Pathophysiology, Iwate Medical University, School of Medicine, Iwate, Japan; Division of Rheumatology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA; Institute of Rheumatology, Tokyo Women's Medical University, Tokyo, Japan
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Wu X, Chim SM, Kuek V, Lim BS, Chow ST, Zhao J, Yang S, Rosen V, Tickner J, Xu J. HtrA1 is upregulated during RANKL-induced osteoclastogenesis, and negatively regulates osteoblast differentiation and BMP2-induced Smad1/5/8, ERK and p38 phosphorylation. FEBS Lett 2013; 588:143-50. [DOI: 10.1016/j.febslet.2013.11.022] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2013] [Revised: 11/12/2013] [Accepted: 11/12/2013] [Indexed: 11/29/2022]
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Alsalameh RJ, Casey RC, Mollenhauer J, Kalden JR, Burmester GR, Alsalameh SM. Induction of proliferation and pro-inflammatory cytokine production in rheumatoid arthritis peripheral blood mononuclear cells by a 65 KDa chondrocyte membrane-specific, constitutive target autoantigen (CH65). Int J Rheum Dis 2013; 20:1132-1141. [PMID: 24131486 DOI: 10.1111/1756-185x.12167] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To analyze proliferation and pro-inflammatory cytokine production of peripheral blood mononuclear cells (PBMC) from rheumatoid arthritis (RA) patients following stimulation with a purified chondrocyte membrane-associated autoantigen (CH65). METHODS CH65 was highly purified from bovine chondrocyte membranes by solubilization and ion exchange chromatography. PBMC of RA patients (n = 37; 28 seropositive, nine seronegative) and non-arthritic donors (n = 20) were isolated by ficoll centrifugation and used in cell proliferation assays. The levels of interleukin (IL)-1, tumo necrosis factor (TNF) and IL-6 produced after stimulation with CH65 were determined by enzyme-linked immunosorbent assay (ELISA). Statistical analysis was performed using Mann-Whitney U-test and Spearman rank test and the software SPSS 13.0TM (SPSS Inc.; Chicago, IL, USA). RESULTS Peripheral blood mononuclear cells exhibited a strong proliferative response to purified CH65 in approximately 50% of the RA patients (seropositive > seronegative), with a maximum reactivity at 0.15 or 0.30 μg/mL culture medium. In contrast, PBMC from normal donors did not show a proliferative response to CH65 at any dose. The proliferative response in RA patients peaked at days 7-9 and returned to control levels at day 13, indicating an antigen-driven process. CH65-stimulated RA PBMC produced moderate to high amounts of IL-1, TNF and IL-6. This was comparable to the response after exposure to isolated whole chondrocyte membranes or purified collagen type II. CONCLUSION These results demonstrate a significant cellular immune response to CH65 protein in RA patients. Given the high similarity between bovine and human CH65, the results suggest a pathogenetic involvement of this molecule as a cartilage-specific potential target autoantigen in RA.
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Affiliation(s)
- Rayya J Alsalameh
- Institute of Clinical Microbiology and Hospital Hygiene, University Hospital Erlangen, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Rachael C Casey
- Department of Biochemistry, Rush University Medical Center, Chicago, Illinois, USA
| | - Jürgen Mollenhauer
- Department of Biochemistry, Rush University Medical Center, Chicago, Illinois, USA
| | - Joachim R Kalden
- Department of Medicine III, Institute for Clinical Immunology and Rheumatology, University of Erlangen-Nuremberg, Erlangen, Germany
| | - Gerd R Burmester
- Department of Internal Medicine, Rheumatology and Clinical Immunology, Charite Centre for Internal Medicine and Dermatology, Charite-Universitätsmedizin Berlin, Berlin, Germany
| | - Saifeddin M Alsalameh
- Department of Medicine III, Institute for Clinical Immunology and Rheumatology, University of Erlangen-Nuremberg, Erlangen, Germany.,Division of Rheumatology and Immunology, Department of Medicine, Tawam Hospital, Al Ain, Abu Dhabi, UAE
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Jiang L, Cui Y, Luan J, Zhou X, Zhou X, Han J. A comparative proteomics study on matrix vesicles of osteoblast-like Saos-2 and U2-OS cells. Intractable Rare Dis Res 2013; 2:59-62. [PMID: 25343104 PMCID: PMC4204581 DOI: 10.5582/irdr.2013.v2.2.59] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Revised: 05/16/2013] [Accepted: 05/17/2013] [Indexed: 01/15/2023] Open
Abstract
Matrix vesicles (MVs) play an important role in the initial stage of the process of bone mineralization, and are involved in multiple rare skeletal diseases with pathological mineralization or calcification. The aim of the study was to compare the proteomic profiling of osteoblast-like cells with and without mineralization ability (Saos-2 and U2-OS), and to identify novel mineralization-associated MV proteins. MVs were extracted using ExoQuick solution from mineralization-induced Saos-2 and U2-OS cells, and then were validated by transmission electron microscopy. A label-free quantitative proteomic method was used to compare the protein profiling of MVs from Saos-2 and U2-OS cells. Western-blots were used to confirm the expression of MVs proteins identified in proteomic studies. In our proteomic studies, we identified that 89 mineralization-related proteins were significantly up-regulated in Saos-2 MVs compared with U2-OS MVs. We further validated that two MVs proteins, protein kinase C α and ras-related protein Ral-A, were up-regulated in MVs of Saos-2 cells compared to those of U2-OS cells under mineralization-induction. Our findings suggest that protein kinase C α and ras-related protein Ral-A might be involved in bone mineralization as MVs components.
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Affiliation(s)
- Liang Jiang
- Shandong Academy of Medical Sciences, Shandong Medical Biotechnology Center, Key Laboratory for Biotech-Drugs of the Ministry of Health, Ji'nan, Shandong, China
- School of Medicine and Life Sciences, University of Ji'nan-Shandong Academy of Medical Science, Ji'nan, Shandong, China
| | - Yazhou Cui
- Shandong Academy of Medical Sciences, Shandong Medical Biotechnology Center, Key Laboratory for Biotech-Drugs of the Ministry of Health, Ji'nan, Shandong, China
| | - Jing Luan
- Shandong Academy of Medical Sciences, Shandong Medical Biotechnology Center, Key Laboratory for Biotech-Drugs of the Ministry of Health, Ji'nan, Shandong, China
| | - Xiaoyan Zhou
- Shandong Academy of Medical Sciences, Shandong Medical Biotechnology Center, Key Laboratory for Biotech-Drugs of the Ministry of Health, Ji'nan, Shandong, China
| | - Xiaoying Zhou
- Shandong Academy of Medical Sciences, Shandong Medical Biotechnology Center, Key Laboratory for Biotech-Drugs of the Ministry of Health, Ji'nan, Shandong, China
| | - Jinxiang Han
- Shandong Academy of Medical Sciences, Shandong Medical Biotechnology Center, Key Laboratory for Biotech-Drugs of the Ministry of Health, Ji'nan, Shandong, China
- Address correspondence to: Dr. Jinxiang Han, Shandong Academy of Medical Sciences, No. 18877 Jing-shi Road, Ji'nan, 250062, Shandong, China. E-mail:
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Garcés-Ortíz M, Ledesma-Montes C, Reyes-Gasga J. Presence of matrix vesicles in the body of odontoblasts and in the inner third of dentinal tissue: a scanning electron microscopic study. Med Oral Patol Oral Cir Bucal 2013; 18:e537-41. [PMID: 23385510 PMCID: PMC3668886 DOI: 10.4317/medoral.18650] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Accepted: 11/13/2012] [Indexed: 11/20/2022] Open
Abstract
Objectives: The aim of this report is to present the results of a scanning electron microscopic study on the presence of matrix vesicles (MVs) found in human dentine.
Study Design: Dentin tissue from 20 human bicuspids was analyzed by means of scanning electron microscopy.
Results: MVs were found as outgrowths of the cellular membrane of the odontoblastic body, the more proximal portion of the odontoblastic process before entering the dentinal tubule and in the odontoblastic process within the inner third of the dentin. Size of MVs varied depending on location. In the inner third of dentin, they were seen in diverse positions; as membranal outgrowths, deriving from the odontoblastic process, lying free in the intratubular space and attached to the dentinal wall. Sometimes, they were seen organized forming groups of different sizes and shapes or as multivesicular chains running from the surface of the odontoblastic process to the tubular wall. MVs were present in places never considered: 1) the body of odontoblasts; 2) the most proximal part of the odontoblastic processes before entering the circumpulpal dentine and also: 3) in the inner third of dentinal tissue.
Conclusions: According to our results, MVs not only participate during mantle dentin mineralization during early dentinogenesis, they also contribute during the mineralization process of the inner dentin.
Key words:Dentin, microvesicles, secretory vesicles, dentin formation, dentin secretion.
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Affiliation(s)
- Maricela Garcés-Ortíz
- Clinical Oral Pathology Laboratory, Facultad de Odontología, Universidad Nacional Autónoma de México, México, 04510, DF, México
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