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Elter E, Wagner M, Buchenauer L, Bauer M, Polte T. Phthalate Exposure During the Prenatal and Lactational Period Increases the Susceptibility to Rheumatoid Arthritis in Mice. Front Immunol 2020; 11:550. [PMID: 32308655 PMCID: PMC7145968 DOI: 10.3389/fimmu.2020.00550] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 03/10/2020] [Indexed: 12/13/2022] Open
Abstract
The prenatal and early postnatal period is highly sensitive to environmental exposures that may interfere with the developmental programming of the immune system leading to an altered disease risk in later life. To clarify the role of early influences in activation or exacerbation of autoimmune diseases like rheumatoid arthritis (RA) we investigated the effect of maternal exposure during the prenatal and lactational period of DBA/1 mice to the plasticizer benzyl butyl phthalate (BBP) on the development of RA in the offspring. Using a mild collagen-induced arthritis (CIA) model, maternal BBP-exposure increased both the prevalence and the severity of RA in the progeny compared to un-exposed dams. Additionally, maternal BBP exposure led to elevated serum IgG1 and IgG2a level in the offspring and increased the IFN-γ and IL-17 release from collagen-re-stimulated spleen cells. Transcriptome analysis of splenocytes isolated from 3-week-old pups before RA-induction revealed considerable changes in gene expression in the offspring from BBP-exposed dams. Among them were regulator of G-protein signaling 1 (rgs1), interleukin-7 receptor (il-7r) and CXC chemokine 4 (cxcr4), all genes that have previously been described as associated with RA pathology. In summary, our results demonstrate that perinatal exposure to BBP increases the susceptibility of the offspring to RA, probably via a phthalate-induced disturbed regulation of RA-relevant genes or signaling pathways.
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Affiliation(s)
- Elena Elter
- Department of Environmental Immunology, UFZ-Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany.,Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, Leipzig, Germany
| | - Marita Wagner
- Department of Environmental Immunology, UFZ-Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany.,Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, Leipzig, Germany
| | - Lisa Buchenauer
- Department of Environmental Immunology, UFZ-Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany.,Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, Leipzig, Germany
| | - Mario Bauer
- Department of Environmental Immunology, UFZ-Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany
| | - Tobias Polte
- Department of Environmental Immunology, UFZ-Helmholtz Centre for Environmental Research Leipzig-Halle, Leipzig, Germany.,Department of Dermatology, Venerology and Allergology, Leipzig University Medical Center, Leipzig, Germany
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52
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Cai H, Wang P, Xu Y, Yao Y, Liu J, Li T, Sun Y, Liang J, Fan Y, Zhang X. BMSCs-assisted injectable Col I hydrogel-regenerated cartilage defect by reconstructing superficial and calcified cartilage. Regen Biomater 2020; 7:35-45. [PMID: 32153990 PMCID: PMC7053261 DOI: 10.1093/rb/rbz028] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 07/20/2019] [Accepted: 08/10/2019] [Indexed: 12/27/2022] Open
Abstract
The self-healing capacity of cartilage was limited due to absence of vascular, nervous and lymphatic systems. Although many clinical treatments have been used in cartilage defect repair and shown a promising repair result in short term, however, regeneration of complete zonal structure with physiological function, reconstruction cartilage homeostasis and maintaining long-term repair was still an unbridgeable chasm. Cartilage has complex zonal structure and multiple physiological functions, especially, superficial and calcified cartilage played an important role in keeping homeostasis. To address this hurdle of regenerating superficial and calcified cartilage, injectable tissue-induced type I collagen (Col I) hydrogel-encapsulated BMSCs was chosen to repair cartilage damage. After 1 month implantation, the results demonstrated that Col I gel was able to induce BMSCs differentiation into chondrocytes, and formed hyaline-like cartilage and the superficial layer with lubrication function. After 3 months post-surgery, chondrocytes at the bottom of the cartilage layer would undergo hypertrophy and promote the regeneration of calcified cartilage. Six months later, a continuous anatomical tidemark and complete calcified interface were restored. The regeneration of neo-hyaline cartilage was similar with adjacent normal tissue on the thickness of the cartilage, matrix secretion, collagen type and arrangement. Complete multilayer zonal structure with physiological function remodeling indicated that BMSCs-assisted injectable Col I hydrogel could reconstruct cartilage homeostasis and maintain long-term therapeutic effect.
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Affiliation(s)
- Hanxu Cai
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Peilei Wang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Yang Xu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Ya Yao
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Jia Liu
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, 20 Renmin South Road, Chengdu 610041, P. R. China
| | - Tao Li
- Department of Gynecology and Obstetrics, Development and Related Disease of Women and Children Key Laboratory of Sichuan Province, Key Laboratory of Birth Defects and Related Diseases of Women and Children, Ministry of Education, West China Second Hospital, Sichuan University, 20 Renmin South Road, Chengdu 610041, P. R. China
| | - Yong Sun
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Jie Liang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
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Abstract
Proteoglycan 4 (or lubricin), a mucin-like glycoprotein, was originally classified as a lubricating substance within diarthrodial joints. More recently, lubricin has been found in other tissues and has been implicated in 2 inflammatory pathways within the cell, via the Toll-like receptors (TLRs) and CD44. Lubricin is an antagonist of TLR2 and TLR4, and appears to enter cells via the CD44 receptor. Because of lubricin's action on these receptors, downstream processes of inflammation are halted, thereby preventing release of cytokines (a hallmark of inflammation and sepsis) from the cell, indicating lubricin's role as a biomarker and possible therapeutic for sepsis.
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Affiliation(s)
- Holly Richendrfer
- Department of Emergency Medicine, Alpert Medical School, Brown University, 222 Richmond Street, Providence, RI 02903, USA; Department of Emergency Medicine, Research Laboratory, Rhode Island Hospital, 1 Hoppin Street, CORO West, Room 4.303, Providence, RI 02903, USA
| | - Gregory D Jay
- Department of Emergency Medicine, Alpert Medical School, Brown University, 222 Richmond Street, Providence, RI 02903, USA; Department of Emergency Medicine, Research Laboratory, Rhode Island Hospital, 1 Hoppin Street, CORO West, Room 4.303, Providence, RI 02903, USA.
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54
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Makii Y, Asaka M, Setogawa S, Fujiki S, Hosaka Y, Yano F, Oka H, Tanaka S, Fukui N, Yanagihara D, Saito T. Alteration of gait parameters in a mouse model of surgically induced knee osteoarthritis. J Orthop Surg (Hong Kong) 2019; 26:2309499018768017. [PMID: 29661110 DOI: 10.1177/2309499018768017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
PURPOSE Joint pain is the most common symptom of osteoarthritis (OA); however, its mechanism remains unclarified. The present study investigated hindlimb motion during locomotion on the treadmill using a three-dimensional (3D) motion analysis system with high-speed cameras to evaluate whether this method can be used as an indication of joint pain in a mouse model of surgically induced OA. METHODS We resected the medial meniscus and medial collateral ligament in 8-week old C57BL/6 male mice and performed locomotion recording 6 months post-operatively. Additionally, we performed the same recording after oral administration of the selective cyclooxygenase-2 inhibitor to determine whether alteration of the parameters were associated with joint pain. RESULTS OA development, characterized by cartilage degeneration and osteophyte formation, was markedly enhanced in the OA group. There was no significant difference between the sham and OA groups in basic gait parameters, including stance duration, swing duration and gait cycle. However, when we divided the gait cycle into four phases and calculated the joint ranges of motion in each phase, the range of motion of the knee joint during the stepping-in phase and the swing duration were significantly decreased in the OA group. These significant differences between the sham and OA groups were diminished by the oral administration of a selective cyclooxygenase-2 inhibitor to the OA group. CONCLUSION The present method may be useful to evaluate joint pain in experimental mice and contribute to elucidating the molecular mechanisms of pain in the OA knee joint in combination with genetically modified mice.
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Affiliation(s)
- Yuma Makii
- 1 Sensory & Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Meiko Asaka
- 2 Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
| | - Susumu Setogawa
- 2 Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
| | - Soichiro Fujiki
- 2 Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
| | - Yoko Hosaka
- 1 Sensory & Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Fumiko Yano
- 3 Bone and Cartilage Regenerative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hiroyuki Oka
- 4 Department of Joint Disease Research, 22nd Century Medical and Research Center, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Sakae Tanaka
- 1 Sensory & Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Naoshi Fukui
- 2 Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
| | - Dai Yanagihara
- 2 Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, Japan
| | - Taku Saito
- 1 Sensory & Motor System Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.,3 Bone and Cartilage Regenerative Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
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55
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Chijimatsu R, Saito T. Mechanisms of synovial joint and articular cartilage development. Cell Mol Life Sci 2019; 76:3939-3952. [PMID: 31201464 PMCID: PMC11105481 DOI: 10.1007/s00018-019-03191-5] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 05/30/2019] [Accepted: 06/11/2019] [Indexed: 12/29/2022]
Abstract
Articular cartilage is formed at the end of epiphyses in the synovial joint cavity and permanently contributes to the smooth movement of synovial joints. Most skeletal elements develop from transient cartilage by a biological process known as endochondral ossification. Accumulating evidence indicates that articular and growth plate cartilage are derived from different cell sources and that different molecules and signaling pathways regulate these two kinds of cartilage. As the first sign of joint development, the interzone emerges at the presumptive joint site within a pre-cartilage tissue. After that, joint cavitation occurs in the center of the interzone, and the cells in the interzone and its surroundings gradually form articular cartilage and the synovial joint. During joint development, the interzone cells continuously migrate out to the epiphyseal cartilage and the surrounding cells influx into the joint region. These complicated phenomena are regulated by various molecules and signaling pathways, including GDF5, Wnt, IHH, PTHrP, BMP, TGF-β, and FGF. Here, we summarize current literature and discuss the molecular mechanisms underlying joint formation and articular development.
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Affiliation(s)
- Ryota Chijimatsu
- Bone and Cartilage Regenerative Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Taku Saito
- Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.
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56
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Abubacker S, Premnath P, Shonak A, Leonard C, Shah S, Zhu Y, Jay GD, Schmidt TA, Boyd S, Krawetz R. Absence of Proteoglycan 4 (Prg4) Leads to Increased Subchondral Bone Porosity Which Can Be Mitigated Through Intra-Articular Injection of PRG4. J Orthop Res 2019; 37:2077-2088. [PMID: 31119776 DOI: 10.1002/jor.24378] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 05/14/2019] [Indexed: 02/04/2023]
Abstract
Proteoglycan 4 (PRG4) is a mucin-like glycoprotein important for joint health. Mice lacking Prg4 demonstrate degeneration of the cartilage and altered skeletal morphology. The purpose of this study was to examine if Prg4 deficiency leads to subchondral bone defects and if these defects could be mitigated through intra-articular injection of recombinant human PRG4 (rhPRG4). Mice deficient in Prg4 expression demonstrated increased cartilage thickness and increased subchondral bone porosity compared with C57BL/6 controls. While the porosity of the subchondral bone of Prg4-/- mice decreased over time with maturation, intra-articular injection of rhPRG4 was able to forestall the increase in porosity. In contrast, neither hyaluronan (HA) nor methylprednisolone injections had beneficial effects on the subchondral bone porosity in the Prg4 knockout mice. Bone marrow progenitor cells from Prg4-/- mice demonstrated reduced osteogenic differentiation capacity at 4 weeks of age, but not at 16 weeks of age. While most studies on PRG4/lubricin focus on the health of the cartilage, this study demonstrates that PRG4 plays a role in the maturation of the subchondral bone. Furthermore, increasing joint lubrication/viscosupplementation through injection of HA or controlling joint inflammation through injection of methylprednisolone may help maintain the cartilage surface, but had no positive effect on the subchondral bone in animals lacking Prg4. Therefore, alterations in the subchondral bone in models with absent or diminished Prg4 expression should not be overlooked when investigating changes within the articular cartilage regarding the pathogenesis of osteoarthritis/arthrosis. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:2077-2088, 2019.
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Affiliation(s)
- Saleem Abubacker
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
| | - Priyatha Premnath
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
| | - Anchita Shonak
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
| | - Catherine Leonard
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
| | - Sophia Shah
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
| | - Ying Zhu
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada
| | - Gregory D Jay
- Department of Emergency Medicine, Brown University, Providence, Rhode Island
| | - Tannin A Schmidt
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada.,Graduate Program of Biomedical Engineering, University of Calgary, Calgary, Alberta, Canada.,Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada.,Department of Mechanical Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada
| | - Steven Boyd
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada.,Graduate Program of Biomedical Engineering, University of Calgary, Calgary, Alberta, Canada.,Department of Mechanical Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada
| | - Roman Krawetz
- McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada.,Graduate Program of Biomedical Engineering, University of Calgary, Calgary, Alberta, Canada.,Departments of Surgery, Faculty of Medicine, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, T2N 4N1, Canada.,Departments of Cell Biology & Anatomy, University of Calgary, Calgary, Alberta, Canada
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57
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Ramachandran J, Liu Z, Gray RS, Vokes SA. PRMT5 is necessary to form distinct cartilage identities in the knee and long bone. Dev Biol 2019; 456:154-163. [PMID: 31442442 DOI: 10.1016/j.ydbio.2019.08.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Revised: 08/19/2019] [Accepted: 08/19/2019] [Indexed: 01/08/2023]
Abstract
During skeletal development, limb progenitors become specified as chondrocytes and subsequently differentiate into specialized cartilage compartments. We previously showed that the arginine dimethyl transferase, PRMT5, is essential for regulating the specification of progenitor cells into chondrocytes within early limb buds. Here, we report that PRMT5 regulates the survival of a separate progenitor domain that gives rise to the patella. Independent of its role in knee development, PRMT5 regulates several distinct types of chondrocyte differentiation within the long bones. Chondrocytes lacking PRMT5 have a striking blockage in hypertrophic chondrocyte differentiation and are marked by abnormal gene expression. PRMT5 remains important for articular cartilage and hypertrophic cell identity during adult stages, indicating an ongoing role in homeostasis of these tissues. We conclude that PRMT5 is required for distinct steps of early and late chondrogenic specialization and is thus a critical component of multiple aspects of long bone development and maintenance.
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Affiliation(s)
- Janani Ramachandran
- Department of Molecular Biosciences, University of Texas at Austin, 100 E 24th Street, Stop A5000, Austin, TX, 78712, USA
| | - Zhaoyang Liu
- Department of Pediatrics, Dell Pediatrics Research Institute, University of Texas at Austin Dell Medical School, 1400 Barbara Jordan Blvd, Austin, TX, 78723, USA
| | - Ryan S Gray
- Department of Nutritional Sciences, University of Texas at Austin, 103 W. 24th Street, A2703, Austin, TX, 78712, USA; Department of Pediatrics, Dell Pediatrics Research Institute, University of Texas at Austin Dell Medical School, 1400 Barbara Jordan Blvd, Austin, TX, 78723, USA
| | - Steven A Vokes
- Department of Molecular Biosciences, University of Texas at Austin, 100 E 24th Street, Stop A5000, Austin, TX, 78712, USA.
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58
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Hayes AJ, Melrose J. Glycosaminoglycan and Proteoglycan Biotherapeutics in Articular Cartilage Protection and Repair Strategies: Novel Approaches to Visco‐supplementation in Orthobiologics. ADVANCED THERAPEUTICS 2019. [DOI: 10.1002/adtp.201900034] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Anthony J. Hayes
- Bioimaging Research HubCardiff School of BiosciencesCardiff University Cardiff CF10 3AX Wales UK
| | - James Melrose
- Graduate School of Biomedical EngineeringUNSW Sydney Sydney NSW 2052 Australia
- Raymond Purves Bone and Joint Research LaboratoriesKolling Institute of Medical ResearchRoyal North Shore Hospital and The Faculty of Medicine and HealthUniversity of Sydney St. Leonards NSW 2065 Australia
- Sydney Medical SchoolNorthernRoyal North Shore HospitalSydney University St. Leonards NSW 2065 Australia
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Thorson C, Galicia K, Burleson A, Bouchard O, Hoppensteadt D, Fareed J, Hopkinson W. Matrix Metalloproteinases and Their Inhibitors and Proteoglycan 4 in Patients Undergoing Total Joint Arthroplasty. Clin Appl Thromb Hemost 2019; 25:1076029619828113. [PMID: 30754994 PMCID: PMC6714937 DOI: 10.1177/1076029619828113] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Osteoarthritis, a degenerative disease of the joints, is the most common form of arthritis in the knee. Total joint arthoplasty is a commonly used treatment for joint degeneration and osteoarthritis, and due to these factors, TJA for hip and knee joints is projected to grow by 137% and 601% between 2005 and 2030. Matrix metalloproteases are enzymes found in the extracellular matrix that cleave matrix components. Normally MMPs are downregulated in tissues by Tissue Inhibitors of Metalloproteases, or TIMPs. The relative concentration of TIMPs also may denote some of the activity of the MMPs found in serum. Lubricin (proteoglycan 4) is a molecule found in the synovial fluid that protects joints by dissipating strain energy during locomotion. Lubricin synovial fluid concentration is also diminished in many patients with osteoarthritis, but not all. Given the importance of these three sets of molecules, our lab investigated the correlation between circulating lubricin, MMP levels and TIMPs levels. Blood plasma samples were obtained from de-identified subjects undergoing total joint arthroplasty at Loyola University Medical Center and the University of Utah. Normal blood plasma from pooled healthy individuals served as a control. We analyzed biomarker levels in plasma using ELISA. Our data show that MMP-1 and 9 were increased in TJA patients compared to normal controls, while MMP-2 and 13 were decreased. We also found decreased lubricin and tissue factor in surgical patients relative to controls. These data support the idea that lubricin is vital in protecting the synovial joint and that MMPs play a complex role in the destruction of the joint.
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Affiliation(s)
- Chase Thorson
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Kevin Galicia
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Andrew Burleson
- 2 Department of Orthopedics, Loyola University Medical Center, Maywood, IL, USA
| | - Olivia Bouchard
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Debra Hoppensteadt
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - Jawed Fareed
- 1 Department of Pathology, Loyola University Medical Center, Maywood, IL, USA
| | - William Hopkinson
- 2 Department of Orthopedics, Loyola University Medical Center, Maywood, IL, USA
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60
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Chen Z, Mai Z, Tu S, Lu H, Chen L, Ai H. Expression of lubricin in rat posterior mandibular condylar cartilage following functional mandibular forward repositioning. J Orofac Orthop 2019; 80:128-135. [PMID: 30953086 DOI: 10.1007/s00056-019-00173-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Accepted: 02/20/2019] [Indexed: 11/30/2022]
Abstract
PURPOSE The aim of the present study was to investigate the effects of mandibular forward repositioning on expression of lubricin in rat posterior condylar cartilage. METHODS In total, fifty 5‑week-old female Sprague Dawley rats were divided randomly into experimental groups and control groups. The animals in the experimental groups were fitted with modified acrylic inclined planes to advance the mandible, whereas rats in the normal control groups were left intact. Rats were sacrificed on days 3, 7, 14, 21, and 30, and temporomandibular joint (TMJ) samples were collected. The expression of lubricin of the posterior mandibular condylar cartilage was evaluated by immunohistochemistry. RESULTS In the control groups, higher expression of lubricin was observed in the proliferative zone of the posterior mandibular condylar cartilage compared with the hypertrophic zone during the experimental period. Compared with the control group, the positive signals for lubricin of the posterior mandibular condylar cartilage in the experimental animals were significantly higher on days 7, 14, and 21; however, no statistical difference was found on day 3 or 30. CONCLUSIONS Data analyses suggest that the bite jumping appliance temporarily enhanced lubricin expression, providing a good mechanical environment for the physiologic growth of the condyle and mandible, and contributes to TMJ remodeling by the regulation of condylar chondrocyte proliferation.
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Affiliation(s)
- Zheng Chen
- Department of Stomatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou, China
| | - Zhihui Mai
- Department of Stomatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou, China
| | - Shaoqin Tu
- Department of Operative Dentistry and Endodontics, Guanghua School of Stomatology and Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Hongfei Lu
- Department of Stomatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou, China
| | - Lin Chen
- Department of Stomatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou, China
| | - Hong Ai
- Department of Stomatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou, China.
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Hurtig M, Zaghoul I, Sheardown H, Schmidt TA, Liu L, Zhang L, Elsaid KA, Jay GD. Two compartment pharmacokinetic model describes the intra-articular delivery and retention of rhprg4 following ACL transection in the Yucatan mini pig. J Orthop Res 2019; 37:386-396. [PMID: 30488470 PMCID: PMC7201402 DOI: 10.1002/jor.24191] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 10/03/2018] [Indexed: 02/04/2023]
Abstract
Treatment of the injured joint with rhPRG4 is based on recent observations that inflammation diminishes expression of native PRG4. Re-establishing lubrication between pressurized and sliding cartilage surfaces during locomotion promotes the nascent expression of PRG4 and thus intra-articular (IA) treatment strategies should be supported by pharmacokinetic evidence establishing the residence time of rhPRG4. A total of 21 Yucatan minipigs weighing ∼55 kg each received 4 mg of 131 I-rhPRG4 delivered by IA injection 5 days following surgical ACL transection. Animals were sequentially euthanized following IA rhPRG4 at 10 min (time zero), 24, 72 h, 6, 13 and 20 days later. The decay of the 131 I-rhPRG4 was measured relative to a non-injected aliquot and normalized to the weight of cartilage samples, menisci and synovium, and known cartilage volumes from each compartment surface obtained from representative Yucatan minipig knees. Decay of 131 I-rhPRG4 from joint tissues best fit a two-compartment model with an α half-life (t1/2α ) of 11.28 h and β half-life (t1/2β ) of 4.81 days. The tibial and femoral cartilage, meniscii, and synovium retained 7.7% of dose at 24 h. High concentrations of rhPRG4 were found in synovial fluid (SF) that was non-aspiratable and resided on the articular surfaces, removable by irrigation, at 10 min following 131 I-rhPRG4 injection. Synovial fluid K21 exceeded K12 and SF t1/2β was 28 days indicating SF is the reservoir for rhPRG4 following IA injection. Clinical Significance: rhPRG4 following IA delivery in a traumatized joint populates articular surfaces for a considerable period and may promote the native expression of PRG4. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:386-396, 2019.
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Affiliation(s)
- Mark Hurtig
- Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Iman Zaghoul
- Department of Pharmaceutical Sciences, Massachusetts College of Pharmacy and Health Sciences, Boston, Massachusetts
| | - Heather Sheardown
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario, Canada
| | - Tannin A. Schmidt
- School of Dental Medicine, University of Connecticut Health Center, Farmington, Connecticut,,Biomedical Engineering Department, University of Connecticut Health Center, Farmington, Connecticut
| | - Lina Liu
- Department of Chemical Engineering, McMaster University, Hamilton, Ontario, Canada
| | - Ling Zhang
- Department of Emergency Medicine, Warren Alpert Medical School, Brown University, 1 Hoppin Street, Coro West Suite 112, Providence, Rhode Island 02903
| | - Khaled A. Elsaid
- Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Irvine, California
| | - Gregory D. Jay
- Department of Emergency Medicine, Warren Alpert Medical School, Brown University, 1 Hoppin Street, Coro West Suite 112, Providence, Rhode Island 02903,,Division of Biomedical Engineering, School of Engineering at Brown University, Providence, Rhode Island
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62
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Evans CH, Ghivizzani SC, Robbins PD. Gene Delivery to Joints by Intra-Articular Injection. Hum Gene Ther 2019; 29:2-14. [PMID: 29160173 DOI: 10.1089/hum.2017.181] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Most forms of arthritis are incurable, difficult to treat, and a major cause of disability in Western countries. Better local treatment of arthritis is impaired by the pharmacokinetics of the joint that make it very difficult to deliver drugs to joints at sustained, therapeutic concentrations. This is especially true of biologic drugs, such as proteins and RNA, many of which show great promise in preclinical studies. Gene transfer provides a strategy for overcoming this limitation. The basic concept is to deliver cDNAs encoding therapeutic products by direct intra-articular injection, leading to sustained, endogenous synthesis of the gene products within the joint. Proof of concept has been achieved for both in vivo and ex vivo gene delivery using a variety of vectors, genes, and cells in several different animal models. There have been a small number of clinical trials for rheumatoid arthritis (RA) and osteoarthritis (OA) using retrovirus vectors for ex vivo gene delivery and adeno-associated virus (AAV) for in vivo delivery. AAV is of particular interest because, unlike other viral vectors, it is able to penetrate deep within articular cartilage and transduce chondrocytes in situ. This property is of particular importance in OA, where changes in chondrocyte metabolism are thought to be fundamental to the pathophysiology of the disease. Authorities in Korea have recently approved the world's first arthritis gene therapy. This targets OA by the injection of allogeneic chondrocytes that have been transduced with a retrovirus carrying transforming growth factor-β1 cDNA. Phase III studies are scheduled to start in the United States soon. Meanwhile, two additional Phase I trials are listed on Clinicaltrials.gov , both using AAV. One targets RA by transferring interferon-β, and the other targets OA by transferring interleukin-1 receptor antagonist. The field is thus gaining momentum and promises to improve the treatment of these common and debilitating diseases.
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Affiliation(s)
- Christopher H Evans
- 1 Rehabilitation Medicine Research Center, Mayo Clinic , Rochester, Minnesota
| | - Steven C Ghivizzani
- 2 Department of Orthopedics and Rehabilitation, University of Florida College of Medicine , Gainesville, Florida
| | - Paul D Robbins
- 3 Department of Metabolism and Aging, The Scripps Research Institute , Jupiter, Florida
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63
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Pattappa G, Johnstone B, Zellner J, Docheva D, Angele P. The Importance of Physioxia in Mesenchymal Stem Cell Chondrogenesis and the Mechanisms Controlling Its Response. Int J Mol Sci 2019; 20:E484. [PMID: 30678074 PMCID: PMC6387316 DOI: 10.3390/ijms20030484] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 01/18/2019] [Accepted: 01/21/2019] [Indexed: 12/12/2022] Open
Abstract
Articular cartilage covers the surface of synovial joints and enables joint movement. However, it is susceptible to progressive degeneration with age that can be accelerated by either previous joint injury or meniscectomy. This degenerative disease is known as osteoarthritis (OA) and it greatly affects the adult population. Cell-based tissue engineering provides a possible solution for treating OA at its earliest stages, particularly focal cartilage lesions. A candidate cell type for treating these focal defects are Mesenchymal Stem Cells (MSCs). However, present methods for differentiating these cells towards the chondrogenic lineage lead to hypertrophic chondrocytes and bone formation in vivo. Environmental stimuli that can stabilise the articular chondrocyte phenotype without compromising tissue formation have been extensively investigated. One factor that has generated intensive investigation in MSC chondrogenesis is low oxygen tension or physioxia (2⁻5% oxygen). In vivo articular cartilage resides at oxygen tensions between 1⁻4%, and in vitro results suggest that these conditions are beneficial for MSC expansion and chondrogenesis, particularly in suppressing the cartilage hypertrophy. This review will summarise the current literature regarding the effects of physioxia on MSC chondrogenesis with an emphasis on the pathways that control tissue formation and cartilage hypertrophy.
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Affiliation(s)
- Girish Pattappa
- Laboratory of Experimental Trauma Surgery, Department of Trauma Surgery, University Hospital Regensburg, Franz Josef Strauss Allee 11, 93053 Regensburg, Germany.
| | - Brian Johnstone
- Department of Orthopaedics and Rehabilitation, Oregon Health & Science University, 3181 SW Sam Jackson Park Rd, Portland, OR 97239, USA.
| | - Johannes Zellner
- Laboratory of Experimental Trauma Surgery, Department of Trauma Surgery, University Hospital Regensburg, Franz Josef Strauss Allee 11, 93053 Regensburg, Germany.
| | - Denitsa Docheva
- Laboratory of Experimental Trauma Surgery, Department of Trauma Surgery, University Hospital Regensburg, Franz Josef Strauss Allee 11, 93053 Regensburg, Germany.
| | - Peter Angele
- Laboratory of Experimental Trauma Surgery, Department of Trauma Surgery, University Hospital Regensburg, Franz Josef Strauss Allee 11, 93053 Regensburg, Germany.
- Sporthopaedicum Regensburg, Hildegard von Bingen Strasse 1, 93053 Regensburg, Germany.
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64
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Hematopoietic PBX-interacting protein mediates cartilage degeneration during the pathogenesis of osteoarthritis. Nat Commun 2019; 10:313. [PMID: 30659184 PMCID: PMC6338798 DOI: 10.1038/s41467-018-08277-5] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 12/29/2018] [Indexed: 11/08/2022] Open
Abstract
Osteoarthritis (OA) has been recognized as the most common chronic age-related disease. Cartilage degeneration influences OA therapy. Here we report that hematopoietic pre-B cell leukemia transcription factor-interacting protein (HPIP) is essential for OA development. Elevated HPIP levels are found in OA patients. Col2a1-CreERT2/HPIPf/f mice exhibit obvious skeletal abnormalities compared with their HPIPf/f littermates. HPIP deficiency in mice protects against developing OA. Moreover, intra-articular injection of adeno-associated virus carrying HPIP-specific short hairpin RNA in vivo attenuates OA histological signs. Notably, in vitro RNA-sequencing and chromatin immunoprecipitation sequencing profiles identify that HPIP modulates OA cartilage degeneration through transcriptional activation of Wnt target genes. Mechanistically, HPIP promotes the transcription of Wnt targets by interacting with lymphoid enhancer binding factor 1 (LEF1). Furthermore, HPIP potentiates the transcriptional activity of LEF1 and acetylates histone H3 lysine 56 in the promoters of Wnt targets, suggesting that HPIP is an attractive target in OA regulatory network.
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65
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Chavez RD, Sohn P, Serra R. Prg4 prevents osteoarthritis induced by dominant-negative interference of TGF-ß signaling in mice. PLoS One 2019; 14:e0210601. [PMID: 30629676 PMCID: PMC6328116 DOI: 10.1371/journal.pone.0210601] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Accepted: 12/28/2018] [Indexed: 11/20/2022] Open
Abstract
Objective Prg4, also known as Lubricin, acts as a joint/boundary lubricant. Prg4 has been used to prevent surgically induced osteoarthritis (OA) in mice. Surgically induced OA serves as a good model for post-traumatic OA but is not ideal for recapitulating age-related OA. Reduced expression of the TGF-β type II receptor (TGFβR2) is associated with age-related OA in clinical samples, so we previously characterized a mouse model that exhibits OA due to expression of a mutated dominant-negative form of TGFβR2 (DNIIR). Prg4 expression was significantly reduced in DNIIR mice. Furthermore, we showed that Prg4 was a transcriptional target of TGF-ß via activation of Smad3, the main signal transducing protein for TGF-ß. The objective of the present study was to determine whether maintenance of Prg4, a down-stream transcriptional target of TGF-ß, prevents OA associated with attenuated TGF-ß signaling in mice. Design Wild-type, DNIIR, and bitransgenic mice that express both DNIIR and Prg4, were compared. Mice were assessed with a foot misplacement behavioral test, μCT, histology, and Western blot. Results Compared to DNIIR mice, bitransgenic DNIIR+Prg4 mice missed 1.3 (0.4, 2.1) fewer steps while walking (mean difference (95% confidence interval)), exhibited a cartilage fibrillation score that was 1.8 (0.4, 3.1) points lower, exhibited cartilage that was 28.2 (0.5, 55.9) μm thicker, and exhibited an OARSI score that was 6.8 (-0.9, 14.5) points lower. However, maintenance of Prg4 expression did not restore levels of phosphorylated Smad3 in DNIIR mice, indicating Prg4 does not simply stimulate TGF-ß signaling. Conclusions Our results indicate that maintenance of Prg4 expression prevents OA progression associated with reduced TGF-β signaling in mice. Since there was no evidence that Prg4 acts by stimulating the TGF-ß signaling cascade, we propose that Prg4, a transcriptional target of TGF-ß, attenuates OA progression through its joint lubrication function.
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Affiliation(s)
- Robert Dalton Chavez
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, Alabama, United States of America
| | - Philip Sohn
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America
| | - Rosa Serra
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, United States of America
- * E-mail:
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66
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Ajeeshkumar KK, Vishnu KV, Navaneethan R, Raj K, Remyakumari KR, Swaminathan TR, Suseela M, Asha KK, Sreekanth GP. Proteoglycans isolated from the bramble shark cartilage show potential anti-osteoarthritic properties. Inflammopharmacology 2019; 27:175-187. [PMID: 30600472 DOI: 10.1007/s10787-018-00554-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 12/14/2018] [Indexed: 01/09/2023]
Abstract
Osteoarthritis (OA) causes articular cartilage destruction, initiating pain and inflammation in the joints, resulting in joint disability. Medications are available to manage these symptoms; however, their effects on the disease progression are limited. Loss of proteoglycans (PGs) was reported to contribute articular cartilage destruction in OA. Therapeutics approaches were previously studied in the animal models of OA. In the present study, we investigated the oral efficacy of four dosages of PGs (25 mg/kg, 50 mg/kg, 100 mg/kg and 200 mg/kg), isolated from the bramble shark cartilage, in an animal model of OA. Indomethacin was used as a bioequivalent formulation. Primarily, the mass spectrum analysis of the purified PGs obtained from bramble shark cartilage revealed the presence of two unique peptides including AGWLSDGSVR and LDGNPINLSK, that showed sequence similarity with aggrecan core-protein and epiphycan, respectively. The levels of C-reactive protein and uric acid in the OA rats were reduced when treated with PGs. Histopathology analysis displayed less cartilage erosion and neovascularization in OA rats treated with PGs. The X-ray imaging presented higher bone density with 200 mg/kg dosage of PG treatment in OA rats. The expressions of the inflammatory modulators including TNF-α, IL-1β, MMP13, NOS2, IL-10 and COX-2 were found to be moderated with PG treatment. In addition, PG treatment maintained the activities of antioxidant enzymes, including SOD and catalase in the joint tissues with a higher GSH content, in a dose-dependent manner. Taken together, our preliminary findings report the anti-osteoarthritic properties of PGs and recommend to evaluate its efficacy and safety in randomized trials.
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Affiliation(s)
| | - Kalladath Venugopal Vishnu
- Biochemistry and Nutrition Division, ICAR-Central Institute of Fisheries Technology, Kochi, Kerala, India
| | - Raju Navaneethan
- Biochemistry and Nutrition Division, ICAR-Central Institute of Fisheries Technology, Kochi, Kerala, India
| | - Kumar Raj
- Peninsular and Marine Fish Genetic Resources Centre, ICAR-National Bureau of Fish Genetic Resources, CMFRI Campus, Kochi, Kerala, India
| | | | - Thangaraj Raja Swaminathan
- Peninsular and Marine Fish Genetic Resources Centre, ICAR-National Bureau of Fish Genetic Resources, CMFRI Campus, Kochi, Kerala, India
| | - Mathew Suseela
- Biochemistry and Nutrition Division, ICAR-Central Institute of Fisheries Technology, Kochi, Kerala, India
| | - Kurukkan Kunnath Asha
- Biochemistry and Nutrition Division, ICAR-Central Institute of Fisheries Technology, Kochi, Kerala, India.
| | - Gopinathan Pillai Sreekanth
- Siriraj Center of Research Excellence for Molecular Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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67
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Stone A, Grol MW, Ruan MZC, Dawson B, Chen Y, Jiang MM, Song IW, Jayaram P, Cela R, Gannon F, Lee BHL. Combinatorial Prg4 and Il-1ra Gene Therapy Protects Against Hyperalgesia and Cartilage Degeneration in Post-Traumatic Osteoarthritis. Hum Gene Ther 2018; 30:225-235. [PMID: 30070147 DOI: 10.1089/hum.2018.106] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative disease of synovial joints characterized by progressive loss of articular cartilage, subchondral bone remodeling, and intra-articular inflammation with synovitis that results in chronic pain and motor impairment. Despite the economic and health impacts, current medical therapies are targeted at symptomatic relief of OA and fail to alter its progression. Given the complexity of OA pathogenesis, we hypothesized that a combinatorial gene therapy approach, designed to inhibit inflammation with interleukin-1 receptor antagonist (IL-1Ra) while promoting chondroprotection using lubricin (PRG4), would improve preservation of the joint compared to monotherapy alone. Employing two surgical techniques to model mild, moderate and severe posttraumatic OA, we found that combined delivery of helper-dependent adenoviruses (HDVs), expressing IL-1Ra and PRG4, preserved articular cartilage better than either monotherapy in both models as demonstrated by preservation of articular cartilage volume and surface area. This improved protection was associated with increased expression of proanabolic and cartilage matrix genes together with decreased expression of catabolic genes and inflammatory mediators. In addition to improvements in joint tissues, this combinatorial gene therapy prolonged protection against thermal hyperalgesia compared to either monotherapy. Taken together, our results show that a combinatorial strategy is superior to monotherapeutic approaches for treatment of posttraumatic OA.
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Affiliation(s)
- Adrianne Stone
- 1 Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas.,2 Translational Biology and Molecular Medicine Program, Baylor College of Medicine, Houston, Texas
| | - Matthew W Grol
- 1 Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Merry Z C Ruan
- 1 Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Brian Dawson
- 1 Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Yuqing Chen
- 1 Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Ming-Ming Jiang
- 1 Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - I-Wen Song
- 1 Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Prathap Jayaram
- 3 H. Ben Taub Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, Texas.,4 Department of Orthopedic Surgery, Baylor College of Medicine, Houston, Texas
| | - Racel Cela
- 1 Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
| | - Francis Gannon
- 5 Department of Pathology, Baylor College of Medicine, Houston, Texas
| | - Brendan H L Lee
- 1 Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas
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68
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Cooper BG, Catalina Bordeianu, Nazarian A, Snyder BD, Grinstaff MW. Active agents, biomaterials, and technologies to improve biolubrication and strengthen soft tissues. Biomaterials 2018; 181:210-226. [PMID: 30092370 PMCID: PMC6766080 DOI: 10.1016/j.biomaterials.2018.07.040] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 07/22/2018] [Accepted: 07/25/2018] [Indexed: 12/27/2022]
Abstract
Normal functioning of articulating tissues is required for many physiological processes occurring across length scales from the molecular to whole organism. Lubricating biopolymers are present natively on tissue surfaces at various sites of biological articulation, including eyelid, mouth, and synovial joints. The range of operating conditions at these disparate interfaces yields a variety of tribological mechanisms through which compressive and shear forces are dissipated to protect tissues from material wear and fatigue. This review focuses on recent advances in active agents and biomaterials for therapeutic augmentation of friction, lubrication, and wear in disease and injured states. Various small-molecule, biological, and gene delivery therapies are described, as are tribosupplementation with naturally-occurring and synthetic biolubricants and polymer reinforcements. While reintroduction of a diseased tissue's native lubricant received significant attention in the past, recent discoveries and pre-clinical research are capitalizing on concurrent advances in the molecular sciences and bioengineering fields, with an understanding of the underlying tissue structure and physiology, to afford a desired, and potentially patient-specific, tissue mechanical response for restoration of normal function. Small and large molecule drugs targeting recently elucidated pathways as well as synthetic and hybrid natural/synthetic biomaterials for restoring a desired tissue mechanical response are being investigated for treatment of, for example, keratoconjunctivitis sicca, xeroderma, and osteoarthritis.
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Affiliation(s)
- Benjamin G Cooper
- Department of Chemistry, Boston University, Boston, MA, United States; Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States.
| | - Catalina Bordeianu
- Department of Chemistry, Boston University, Boston, MA, United States; Department of Biomedical Engineering, Boston University, Boston, MA, United States.
| | - Ara Nazarian
- Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States.
| | - Brian D Snyder
- Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States; Department of Biomedical Engineering, Boston University, Boston, MA, United States; Department of Orthopaedic Surgery, Boston Children's Hospital, Boston, MA, United States.
| | - Mark W Grinstaff
- Department of Chemistry, Boston University, Boston, MA, United States; Department of Biomedical Engineering, Boston University, Boston, MA, United States; Department of Medicine, Boston University, Boston, MA, United States.
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69
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Nixon AJ, Grol MW, Lang HM, Ruan MZC, Stone A, Begum L, Chen Y, Dawson B, Gannon F, Plutizki S, Lee BHL, Guse K. Disease-Modifying Osteoarthritis Treatment With Interleukin-1 Receptor Antagonist Gene Therapy in Small and Large Animal Models. Arthritis Rheumatol 2018; 70:1757-1768. [PMID: 30044894 DOI: 10.1002/art.40668] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Accepted: 07/10/2018] [Indexed: 12/24/2022]
Abstract
OBJECTIVE Gene therapy holds great promise for the treatment of osteoarthritis (OA) because a single intraarticular injection can lead to long-term expression of therapeutic proteins within the joint. This study was undertaken to investigate the use of a helper-dependent adenovirus (HDAd)-mediated intraarticular gene therapy approach for long-term expression of interleukin-1 receptor antagonist (IL-1Ra) as sustained symptomatic and disease-modifying therapy for OA. METHODS In mouse models of OA, efficacy of HDAd-IL-1Ra was evaluated by histologic analysis, micro-computed tomography (micro-CT), and hot plate analysis. In a horse OA model, safety and efficacy of HDAd-IL-1Ra were evaluated by blood chemistry, analyses of synovial fluid, synovial membrane, and cartilage, and gross pathology and lameness assessments. RESULTS In skeletally immature mice, HDAd-IL-1Ra prevented development of cartilage damage, osteophytes, and synovitis. In skeletally immature and mature mice, treatment with HDAd-interleukin-1 receptor antagonist post-OA induction resulted in improved-albeit not significantly-cartilage status assessed histologically and significantly increased cartilage volume, cartilage surface, and bone surface covered by cartilage as assessed by micro-CT. Fewer osteophytes were observed in HDAd-IL-1Ra-treated skeletally immature mice. Synovitis was not affected in skeletally immature or mature mice. HDAd-IL-1Ra protected against disease-induced thermal hyperalgesia in skeletally mature mice. In the horse OA model, HDAd-IL-1Ra therapy significantly improved lameness parameters, indicating efficient symptomatic treatment. Moreover, macroscopically and histologically assessed cartilage and synovial membrane parameters were significantly improved, suggesting disease-modifying efficacy. CONCLUSION These data from OA models in small and large animals demonstrated safe symptomatic and disease-modifying treatment with an HDAd-expressing IL-1Ra. Furthermore, this study establishes HDAd as a vector for joint gene therapy.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | - Kilian Guse
- Baylor College of Medicine, Houston, Texas, and GeneQuine Biotherapeutics GmbH, Hamburg, Germany
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Delve E, Parreno J, Co V, Wu PH, Chong J, Di Scipio M, Kandel RA. CDC42 regulates the expression of superficial zone molecules in part through the actin cytoskeleton and myocardin-related transcription factor-A. J Orthop Res 2018. [PMID: 29537109 DOI: 10.1002/jor.23892] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Osteoarthritis (OA) is a degenerative disease that initially manifests as loss of the superficial zone (SZ) of articular cartilage. SZ chondrocytes (SZC) differ in morphology from other chondrocytes as they are elongated and oriented parallel to the tissue surface. Proteoglycan 4 (PRG4) and tenascin C (TNC) are molecules expressed by SZC, which have been shown to be chondroprotective. Identification of the signalling pathway(s) regulating expression of SZ molecules may lead to a therapeutic target that can be used to delay or prevent the onset of OA. The hypothesis of this study is that expression of SZ molecules are regulated in part, by the CDC42-actin-myocardin-related transcription factor-A (MRTF-A) signaling pathway. SZC from bovine metacarpal-phalangeal joints were isolated and grown in monolayer culture. Each target in the CDC42-actin-MRTF-A pathway was inhibited and the effect on cell shape, actin cytoskeleton status, and expression of PRG4 and TNC were determined. Treatment with the CDC42 inhibitor ML141 decreased PRG4 and TNC expression, and correlated with increased cell circularity and G-/F-actin ratio. PRG4 and TNC expression were differentially regulated by actin depolymerizing agents, latrunculin B and cytochalasin D. Chemical inhibition of MRTF-A resulted in decreased expression of both PRG4 and TNC; however, specific knockdown by small interfering RNA only decreased expression of TNC indicating that TNC, but not PRG4, is regulated by MRTF-A. Although PRG4 and TNC expression are both regulated by CDC42 and actin, it appears to occur through different downstream signaling pathways. Further study is required to elucidate the pathway regulating PRG4. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:2421-2430, 2018.
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Affiliation(s)
- Elizabeth Delve
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario.,Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario
| | - Justin Parreno
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, California
| | - Vivian Co
- University of Ontario Institute of Technology, Oshawa, Ontario
| | - Po-Han Wu
- The Department of Human Biology, University of Toronto, Toronto, Ontario
| | - Jasmine Chong
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario
| | - Matteo Di Scipio
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario
| | - Rita A Kandel
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario.,Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario.,Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario.,Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, Ontario
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71
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Choi SM, Lee KM, Ryu SB, Park YJ, Hwang YG, Baek D, Choi Y, Park KH, Park KD, Lee JW. Enhanced articular cartilage regeneration with SIRT1-activated MSCs using gelatin-based hydrogel. Cell Death Dis 2018; 9:866. [PMID: 30158625 PMCID: PMC6115405 DOI: 10.1038/s41419-018-0914-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 06/26/2018] [Accepted: 07/09/2018] [Indexed: 12/27/2022]
Abstract
To investigate the functional effects of resveratrol (RSV) on mesenchymal stem cells (MSCs), we treated MSCs with RSV continuously during ex vivo expansion. MSCs were continuously treated with RSV from passage (P) 0 to P5. A proliferative capacity of RSV-treated MSCs was higher than that of non-treated MSCs and similar with P1-MSCs. Continuous treatment of RSV on MSCs increased the stemness and inhibited the senescence. During chondrogenic differentiation in vitro, RSV-treated MSCs had higher differentiation potential and reduced hypertrophic maturation, which are limitations for hyaline cartilage formation. The histological analysis of micromass demonstrated increased chondrogenic differentiation potential. We further explored the therapeutic effectiveness of this method in a rabbit osteochondral defect model. A rabbit osteochondral defect model was established to investigate the hyaline cartilage regeneration potential of RSV-treated MSCs. Moreover, the cartilage regeneration potential of RSV-treated MSCs was greater than that of untreated MSCs. The expression levels of chondrogenic markers increased and those of hypertrophic markers decreased in RSV-treated MSCs compared with untreated MSCs. Sustained treatment of RSV on MSCs during ex vivo expansion resulted in the maintenance of stemness and enhanced chondrogenic differentiation potential. Consequentially, highly efficient MSCs promoted superior hyaline cartilage regeneration in vivo. This novel treatment method provides a basis for cell-based tissue engineering.
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Affiliation(s)
- Seong Mi Choi
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
- Brain Korea 21 PLUS Project for Medical Sciences, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Kyoung-Mi Lee
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
- Severance Biomedical Science Institute, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Seung Bae Ryu
- Department of Molecular Science and Technology/Applied Chemistry and Biological Engineering, Ajou University, 206, World cup-ro Yeongtong-gu, Suwon-si, Gyeonggi-do, 16499, South Korea
| | - Yoo Jung Park
- Department of Orthopaedic Surgery, Yonsei University Wonju College of Medicine, 20, Ilsan-ro, Wonju-si, Gangwon-do, 26426, South Korea
| | - Yeok Gu Hwang
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Dawoon Baek
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
- Brain Korea 21 PLUS Project for Medical Sciences, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Yoorim Choi
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
- Brain Korea 21 PLUS Project for Medical Sciences, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Kwang Hwan Park
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea
| | - Ki Dong Park
- Department of Molecular Science and Technology/Applied Chemistry and Biological Engineering, Ajou University, 206, World cup-ro Yeongtong-gu, Suwon-si, Gyeonggi-do, 16499, South Korea
| | - Jin Woo Lee
- Department of Orthopaedic Surgery, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea.
- Brain Korea 21 PLUS Project for Medical Sciences, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea.
- Severance Biomedical Science Institute, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, South Korea.
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Faust HJ, Sommerfeld SD, Rathod S, Rittenbach A, Ray Banerjee S, Tsui BMW, Pomper M, Amzel ML, Singh A, Elisseeff JH. A hyaluronic acid binding peptide-polymer system for treating osteoarthritis. Biomaterials 2018; 183:93-101. [PMID: 30149233 DOI: 10.1016/j.biomaterials.2018.08.045] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 08/13/2018] [Accepted: 08/20/2018] [Indexed: 01/20/2023]
Abstract
Hyaluronic acid (HA) is found naturally in synovial fluid and is utilized therapeutically to treat osteoarthritis (OA). Here, we employed a peptide-polymer cartilage coating platform to localize HA to the cartilage surface for the purpose of treating post traumatic osteoarthritis. The objective of this study was to increase efficacy of the peptide-polymer platform in reducing OA progression in a mouse model of post-traumatic OA without exogenous HA supplementation. The peptide-polymer is composed of an HA-binding peptide (HABP) conjugated to a heterobifunctional poly (ethylene glycol) (PEG) chain and a collagen binding peptide (COLBP). We created a library of different peptide-polymers and characterized their HA binding properties in vitro using quartz crystal microbalance (QCM-D) and isothermal calorimetry (ITC). The peptide polymers were further tested in vivo in an anterior cruciate ligament transection (ACLT) murine model of post traumatic OA. The peptide-polymer with the highest affinity to HA as tested by QCM-D (∼4-fold greater binding compared to other peptides tested) and by ITC (∼3.8-fold) was HABP2-8-arm PEG-COLBP. Biotin tagging demonstrated that HABP2-8-arm PEG-COLBP localizes to both cartilage defects and synovium. In vivo, HABP2-8-arm PEG-COLBP treatment and the clinical HA comparator Orthovisc lowered levels of inflammatory genes including IL-6, IL-1B, and MMP13 compared to saline treated animals and increased aggrecan expression in young mice. HABP2-8-arm PEG-COLBP and Orthovisc also reduced pain as measured by incapacitance and hotplate testing. Cartilage degeneration as measured by OARSI scoring was also reduced by HABP2-8-arm PEG-COLBP and Orthovisc. In aged mice, HABP2-8-arm PEG-COLBP therapeutic efficacy was similar to its efficacy in young mice, but Orthovisc was less efficacious and did not significantly improve OARSI scoring. These results demonstrate that HABP2-8-arm PEG-COLBP is effective at reducing PTOA progression.
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Affiliation(s)
- Heather J Faust
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21287, USA
| | - Sven D Sommerfeld
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21287, USA
| | - Sona Rathod
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21287, USA
| | - Andrew Rittenbach
- Information Sciences Institute, University of Southern California, Arlington, VA 22203, USA
| | | | - Benjamin M W Tsui
- Department of Radiology, Johns Hopkins University, Baltimore, MD, 21287, USA
| | - Martin Pomper
- Department of Radiology, Johns Hopkins University, Baltimore, MD, 21287, USA
| | - Mario L Amzel
- Department of Biophysics and Biophysical Chemistry, Johns Hopkins University, Baltimore, MD, 21218, USA
| | - Anirudha Singh
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21287, USA; Department of Urology, The James Buchanan Brady Urological Institute, The Johns Hopkins School of Medicine, Baltimore, MD, 21287, USA; Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, 21218, USA
| | - Jennifer H Elisseeff
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD, 21287, USA.
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Rey-Rico A, Venkatesan JK, Schmitt G, Speicher-Mentges S, Madry H, Cucchiarini M. Effective Remodelling of Human Osteoarthritic Cartilage by sox9 Gene Transfer and Overexpression upon Delivery of rAAV Vectors in Polymeric Micelles. Mol Pharm 2018; 15:2816-2826. [DOI: 10.1021/acs.molpharmaceut.8b00331] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Ana Rey-Rico
- Center of Experimental Orthopaedics, Saarland University Medical Center, Homburg D-66421, Germany
- Centro de Investigacións Científicas Avanzadas (CICA), Universidade da Coruña, Campus de A Coruña, 15071 A Coruña, Spain
| | - Jagadesh K. Venkatesan
- Center of Experimental Orthopaedics, Saarland University Medical Center, Homburg D-66421, Germany
| | - Gertrud Schmitt
- Center of Experimental Orthopaedics, Saarland University Medical Center, Homburg D-66421, Germany
| | - Susanne Speicher-Mentges
- Center of Experimental Orthopaedics, Saarland University Medical Center, Homburg D-66421, Germany
| | - Henning Madry
- Center of Experimental Orthopaedics, Saarland University Medical Center, Homburg D-66421, Germany
- Department of Orthopaedics and Orthopaedic Surgery, Saarland University Medical Center, Homburg D-66421, Germany
| | - Magali Cucchiarini
- Center of Experimental Orthopaedics, Saarland University Medical Center, Homburg D-66421, Germany
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Mandelin AM, Homan PJ, Shaffer AM, Cuda CM, Dominguez ST, Bacalao E, Carns M, Hinchcliff M, Lee J, Aren K, Thakrar A, Montgomery AB, Bridges SL, Bathon JM, Atkinson JP, Fox DA, Matteson EL, Buckley CD, Pitzalis C, Parks D, Hughes LB, Geraldino-Pardilla L, Ike R, Phillips K, Wright K, Filer A, Kelly S, Ruderman EM, Morgan V, Abdala-Valencia H, Misharin AV, Budinger GS, Bartom ET, Pope RM, Perlman H, Winter DR. Transcriptional Profiling of Synovial Macrophages Using Minimally Invasive Ultrasound-Guided Synovial Biopsies in Rheumatoid Arthritis. Arthritis Rheumatol 2018; 70:841-854. [PMID: 29439295 DOI: 10.1002/art.40453] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 02/08/2018] [Indexed: 12/28/2022]
Abstract
OBJECTIVE Currently, there are no reliable biomarkers for predicting therapeutic response in patients with rheumatoid arthritis (RA). The synovium may unlock critical information for determining efficacy, since a reduction in the numbers of sublining synovial macrophages remains the most reproducible biomarker. Thus, a clinically actionable method for the collection of synovial tissue, which can be analyzed using high-throughput strategies, must become a reality. This study was undertaken to assess the feasibility of utilizing synovial biopsies as a precision medicine-based approach for patients with RA. METHODS Rheumatologists at 6 US academic sites were trained in minimally invasive ultrasound-guided synovial tissue biopsy. Biopsy specimens obtained from patients with RA and synovial tissue from patients with osteoarthritis (OA) were subjected to histologic analysis, fluorescence-activated cell sorting, and RNA sequencing (RNA-seq). An optimized protocol for digesting synovial tissue was developed to generate high-quality RNA-seq libraries from isolated macrophage populations. Associations were determined between macrophage transcriptional profiles and clinical parameters in RA patients. RESULTS Patients with RA reported minimal adverse effects in response to synovial biopsy. Comparable RNA quality was observed from synovial tissue and isolated macrophages between patients with RA and patients with OA. Whole tissue samples from patients with RA demonstrated a high degree of transcriptional heterogeneity. In contrast, the transcriptional profile of isolated RA synovial macrophages highlighted different subpopulations of patients and identified 6 novel transcriptional modules that were associated with disease activity and therapy. CONCLUSION Performance of synovial tissue biopsies by rheumatologists in the US is feasible and generates high-quality samples for research. Through the use of cutting-edge technologies to analyze synovial biopsy specimens in conjunction with corresponding clinical information, a precision medicine-based approach for patients with RA is attainable.
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Affiliation(s)
- Arthur M Mandelin
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Philip J Homan
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | | | - Carla M Cuda
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | | | - Emily Bacalao
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Mary Carns
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | | | - Jungwha Lee
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Kathleen Aren
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Anjali Thakrar
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Anna B Montgomery
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | | | | | - John P Atkinson
- Washington University School of Medicine, St. Louis, Missouri
| | - David A Fox
- University of Michigan School of Medicine, Ann Arbor
| | - Eric L Matteson
- Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Christopher D Buckley
- University of Birmingham Research Laboratories, Queen Elizabeth Hospital Birmingham, Birmingham, UK
| | - Costantino Pitzalis
- William Harvey Research Institute and Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Deborah Parks
- Washington University School of Medicine, St. Louis, Missouri
| | | | | | - Robert Ike
- University of Michigan School of Medicine, Ann Arbor
| | | | - Kerry Wright
- Mayo Clinic College of Medicine and Science, Rochester, Minnesota
| | - Andrew Filer
- University of Birmingham Research Laboratories, Queen Elizabeth Hospital Birmingham, Birmingham, UK
| | - Stephen Kelly
- William Harvey Research Institute and Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Eric M Ruderman
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Vince Morgan
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | | | | | - G Scott Budinger
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | | | - Richard M Pope
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Harris Perlman
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Deborah R Winter
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
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Grol MW, Lee BH. Gene therapy for repair and regeneration of bone and cartilage. Curr Opin Pharmacol 2018; 40:59-66. [PMID: 29621661 DOI: 10.1016/j.coph.2018.03.005] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 03/12/2018] [Indexed: 12/28/2022]
Abstract
Gene therapy refers to the use of viral and non-viral vectors to deliver nucleic acids to tissues of interest using direct (in vivo) or transduced cell-mediated (ex vivo) approaches. Over the past few decades, strategies have been adopted to express therapeutic transgenes at sites of injury to promote or facilitate repair of bone and cartilage. Targets of interest have typically included secreted proteins such as growth factors and anti-inflammatory mediators; however, work has also begun to focus intracellularly on signaling components, transcription factors and small, regulatory nucleic acids such as microRNAs (miRNAs). In recent years, a number of single therapeutic gene approaches (termed 'monotherapies') have proven effective in preclinical models of disease, and several are being evaluated in clinical trials. In particular, an ex vivo TGF-β1 gene therapy was approved in Korea in 2017 for treatment of moderate-to-severe osteoarthritis (OA). The ability to utilize viral vectors for context-specific and combinatorial gene therapy is also being investigated, and these strategies are likely to be important in more robustly addressing the complexities of tissue repair and regeneration in skeletal disease. In this review, we provide an overview of viral gene therapies being developed for treatment of bone and cartilage pathologies, with an emphasis on emerging combinatorial strategies as well as those targeting intracellular mediators such as miRNAs.
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Affiliation(s)
- Matthew W Grol
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
| | - Brendan H Lee
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.
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Lietman C, Wu B, Lechner S, Shinar A, Sehgal M, Rossomacha E, Datta P, Sharma A, Gandhi R, Kapoor M, Young PP. Inhibition of Wnt/β-catenin signaling ameliorates osteoarthritis in a murine model of experimental osteoarthritis. JCI Insight 2018; 3:96308. [PMID: 29415892 PMCID: PMC5821202 DOI: 10.1172/jci.insight.96308] [Citation(s) in RCA: 111] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 12/12/2017] [Indexed: 12/21/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative joint disease involving both cartilage and synovium. The canonical Wnt/β-catenin pathway, which is activated in OA, is emerging as an important regulator of tissue repair and fibrosis. This study seeks to examine Wnt pathway effects on synovial fibroblasts and articular chondrocytes as well as the therapeutic effects of Wnt inhibition on OA disease severity. Mice underwent destabilization of the medial meniscus surgery and were treated by intra-articular injection with XAV-939, a small-molecule inhibitor of Wnt/β-catenin signaling. Wnt/β-catenin signaling was highly activated in murine synovial fibroblasts as well as in OA-derived human synovial fibroblasts. XAV-939 ameliorated OA severity associated with reduced cartilage degeneration and synovitis in vivo. Wnt inhibition using mechanistically distinct small-molecule inhibitors, XAV-939 and C113, attenuated the proliferation and type I collagen synthesis in synovial fibroblasts in vitro but did not affect human OA-derived chondrocyte proliferation. However, Wnt modulation increased COL2A1 and PRG4 transcripts, which are downregulated in chondrocytes in OA. In conclusion, therapeutic Wnt inhibition reduced disease severity in a model of traumatic OA via promoting anticatabolic effects on chondrocytes and antifibrotic effects on synovial fibroblasts and may be a promising class of drugs for the treatment of OA.
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Affiliation(s)
- Caressa Lietman
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Brian Wu
- Arthritis Program, University Health Network, Toronto, Ontario, Canada
| | - Sarah Lechner
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Andrew Shinar
- Orthopedic Institute, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Madhur Sehgal
- Department of Surgery and Department of Laboratory Medicine and Pathobiology, University of Toronto, and Division of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, Ontario, Canada
| | - Evgeny Rossomacha
- Department of Surgery and Department of Laboratory Medicine and Pathobiology, University of Toronto, and Division of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, Ontario, Canada
| | - Poulami Datta
- Department of Surgery and Department of Laboratory Medicine and Pathobiology, University of Toronto, and Division of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, Ontario, Canada
| | - Anirudh Sharma
- Department of Surgery and Department of Laboratory Medicine and Pathobiology, University of Toronto, and Division of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, Ontario, Canada
| | - Rajiv Gandhi
- Arthritis Program, University Health Network, Toronto, Ontario, Canada
| | - Mohit Kapoor
- Arthritis Program, University Health Network, Toronto, Ontario, Canada
- Department of Surgery and Department of Laboratory Medicine and Pathobiology, University of Toronto, and Division of Genetics and Development, Krembil Research Institute, University Health Network, Toronto, Ontario, Canada
| | - Pampee P. Young
- Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Department of Cell and Developmental Biology and Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- Department of Veterans Affairs Medical Center, Nashville, Tennessee, USA
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Wang Q, Tan Q, Xu W, Qi H, Chen D, Zhou S, Ni Z, Kuang L, Guo J, Huang J, Wang X, Wang Z, Su N, Chen L, Chen B, Jiang W, Gao Y, Chen H, Du X, Xie Y, Chen L. Cartilage-specific deletion of Alk5 gene results in a progressive osteoarthritis-like phenotype in mice. Osteoarthritis Cartilage 2017; 25:1868-1879. [PMID: 28716756 PMCID: PMC5694025 DOI: 10.1016/j.joca.2017.07.010] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 06/23/2017] [Accepted: 07/10/2017] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Previous studies have shown that Transforming growth factor-β (TGF-β)/TGFβRII-Smad3 signaling is involved in articular cartilage homeostasis. However, the role of TGF-β/ALK5 signaling in articular cartilage homeostasis has not been fully defined. In this study, a combination of in vitro and in vivo approaches was used to elucidate the role of ALK5 signaling in articular cartilage homeostasis and the development of osteoarthritis (OA). DESIGN Mice with inducible cartilage-specific deletion of Alk5 were generated to assess the role of ALK5 in OA development. Alterations in cartilage structure were evaluated histologically. The expressions of genes associated with articular cartilage homeostasis and TGF-β signaling were analyzed by qRT-PCR, western blotting and immunohistochemistry. The chondrocyte apoptosis was detected by TUNEL staining and immunohistochemistry. In addition, the molecular mechanism underlying the effects of TGF-β/ALK5 signaling on articular cartilage homeostasis was explored by analyzing the TGF-β/ALK5 signaling-induced expression of proteoglycan 4 (PRG4) using specific inhibitors. RESULTS Postnatal cartilage-specific deletion of Alk5 induced an OA-like phenotype with degradation of articular cartilage, synovial hyperplasia, osteophyte formation, subchondral sclerosis, as well as enhanced chondrocyte apoptosis, overproduction of catabolic factors, and decreased expressions of anabolic factors in chondrocytes. In addition, the expressions of PRG4 mRNA and protein were decreased in Alk5 conditional knockout mice. Furthermore, our results showed, for the first time, that TGF-β/ALK5 signaling regulated PRG4 expression partially through the protein kinase A (PKA)-CREB signaling pathway. CONCLUSIONS TGF-β/ALK5 signaling maintains articular cartilage homeostasis, in part, by upregulating PRG4 expression through the PKA-CREB signaling pathway in articular chondrocytes.
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Affiliation(s)
- Q. Wang
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - Q.Y. Tan
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - W. Xu
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - H.B. Qi
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - D. Chen
- Department of Biochemistry, Rush University Medical Center, Chicago, IL 60612, USA
| | - S. Zhou
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - Z.H. Ni
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - L. Kuang
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - J.Y. Guo
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - J.L. Huang
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - X.X. Wang
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - Z.Q. Wang
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - N. Su
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - L. Chen
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - B. Chen
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - W.L. Jiang
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - Y. Gao
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - H.G. Chen
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China
| | - X.L. Du
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China,Address correspondence and reprint requests to: X.L. Du, Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China. Fax: 86-23-68702991.
| | - Y.L. Xie
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China,Address correspondence and reprint requests to: Y.L. Xie, Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China. Fax: 86-23-68702991.
| | - L. Chen
- Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China,Address correspondence and reprint requests to: L. Chen, Department of Rehabilitation Medicine, Center of Bone Metabolism and Repair, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Third Military Medical University, Chongqing 400042, China. Fax: 86-23-68702991.
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Rey-Rico A, Venkatesan JK, Schmitt G, Concheiro A, Madry H, Alvarez-Lorenzo C, Cucchiarini M. rAAV-mediated overexpression of TGF-β via vector delivery in polymeric micelles stimulates the biological and reparative activities of human articular chondrocytes in vitro and in a human osteochondral defect model. Int J Nanomedicine 2017; 12:6985-6996. [PMID: 29033566 PMCID: PMC5614797 DOI: 10.2147/ijn.s144579] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Recombinant adeno-associated virus (rAAV) vectors are clinically adapted vectors to durably treat human osteoarthritis (OA). Controlled delivery of rAAV vectors via polymeric micelles was reported to enhance the temporal and spatial presentation of the vectors into their targets. Here, we tested the feasibility of delivering rAAV vectors via poly (ethylene oxide) (PEO) and poly (propylene oxide) (PPO) (poloxamer and poloxamine) polymeric micelles as a means to overexpress the therapeutic factor transforming growth factor-beta (TGF-β) in human OA chondrocytes and in experimental human osteochondral defects. Application of rAAV-human transforming growth factor-beta using such micelles increased the levels of TGF-β transgene expression compared with free vector treatment. Overexpression of TGF-β with these systems resulted in higher proteoglycan deposition and increased cell numbers in OA chondrocytes. In osteochondral defect cultures, a higher deposition of type-II collagen and reduced hypertrophic events were noted. Delivery of therapeutic rAAV vectors via PEO-PPO-PEO micelles may provide potential tools to remodel human OA cartilage.
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Affiliation(s)
- Ana Rey-Rico
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg, Germany
| | - Jagadeesh K Venkatesan
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg, Germany
| | - Gertrud Schmitt
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg, Germany
| | - Angel Concheiro
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, R+ DPharma Group (GI-1645), Facultad de Farmacia and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Henning Madry
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg, Germany.,Department of Orthopedics and Orthopedic Surgery, Saarland University Medical Center, Homburg, Germany
| | - Carmen Alvarez-Lorenzo
- Department of Pharmacology, Pharmacy and Pharmaceutical Technology, R+ DPharma Group (GI-1645), Facultad de Farmacia and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Magali Cucchiarini
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg, Germany
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Poulet B. Models to define the stages of articular cartilage degradation in osteoarthritis development. Int J Exp Pathol 2017; 98:120-126. [PMID: 28585282 PMCID: PMC5573775 DOI: 10.1111/iep.12230] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 03/02/2017] [Indexed: 12/14/2022] Open
Abstract
Osteoarthritis (OA) is a common chronic disorder that affects an increasing number of the ageing population. Despite the prevalence, there are currently no therapies. Defining new therapies that target specific pathogenic phases of disease development relies on the effective separation of the different stages of OA. This manuscript reviews the tissues and models that are being used to separate these stages of disease, in particular initiation and early and late progression. These models include human tissues with known initiating factors, the use of anatomical locations with defined relationships to the primary cartilage lesion area, timing of OA development in well-described animal models and the versatility of a non-invasive model of murine knee joint trauma.
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Affiliation(s)
- Blandine Poulet
- Institute of Ageing and Chronic DiseaseUniversity of LiverpoolLiverpoolUK
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81
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Waller KA, Chin KE, Jay GD, Zhang LX, Teeple E, McAllister S, Badger GJ, Schmidt TA, Fleming BC. Intra-articular Recombinant Human Proteoglycan 4 Mitigates Cartilage Damage After Destabilization of the Medial Meniscus in the Yucatan Minipig. Am J Sports Med 2017; 45:1512-1521. [PMID: 28129516 PMCID: PMC5453820 DOI: 10.1177/0363546516686965] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Lubricin, or proteoglycan 4 (PRG4), is a glycoprotein responsible for joint boundary lubrication. PRG4 has been shown previously to be down-regulated after traumatic joint injury such as a meniscal tear. Preliminary evidence suggests that intra-articular injection of PRG4 after injury will reduce cartilage damage in rat models of surgically induced posttraumatic osteoarthritis. OBJECTIVE To determine the efficacy of intra-articular injection of full-length recombinant human lubricin (rhPRG4) for reducing cartilage damage after medial meniscal destabilization (DMM) in a preclinical large animal model. STUDY DESIGN Controlled laboratory study. METHODS Unilateral DMM was performed in 29 Yucatan minipigs. One week after DMM, animals received 3 weekly intra-articular injections (3 mL per injection): (1) rhPRG4 (1.3 mg/mL; n = 10); (2) rhPRG4+hyaluronan (1.3 mg/mL rhPRG4 and 3 mg/mL hyaluronan [~950 kDA]; n = 10); and (3) phosphate-buffered saline (PBS; n = 9). Hindlimbs were harvested 26 weeks after surgery. Cartilage integrity was evaluated by use of macroscopic (India ink) and microscopic (safranin O-fast green and hematoxylin and eosin) scoring systems. Secondary outcomes evaluated via enzyme-linked immunosorbent assay (ELISA) included PRG4 levels in synovial fluid, carboxy-terminal telepeptide of type II collagen (CTX-II) concentrations in urine and serum, and interleukin 1β (IL-1β) levels in synovial fluid and serum. RESULTS The rhPRG4 group had significantly less macroscopic cartilage damage in the medial tibial plateau compared with the PBS group ( P = .002). No difference was found between the rhPRG4+hyaluronan and PBS groups ( P = .23). However, no differences in microscopic damage scores were observed between the 3 groups ( P = .70). PRG4 production was elevated in the rhPRG4 group synovial fluid compared with the PBS group ( P = .033). The rhPRG4 group presented significantly lower urinary CTX-II levels, but not serum levels, when compared with the PBS ( P = .013) and rhPRG4+hyaluronan ( P = .011) groups. In serum and synovial fluid, both rhPRG4 ( P = .006; P = .017) and rhPRG4+hyaluronan groups ( P = .009; P = .03) presented decreased IL-1β levels. CONCLUSION All groups exhibited significant cartilage degeneration after DMM surgery. However, animals treated with rhPRG4 had the least amount of cartilage damage and less inflammation, providing evidence that intra-articular injections of rhPRG4 may slow the progression of posttraumatic osteoarthritis. CLINICAL RELEVANCE Patients with meniscal trauma are at high risk for posttraumatic osteoarthritis. This study demonstrates that an intra-articular injection regimen of rhPRG4 may attenuate cartilage damage after meniscal injury.
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Affiliation(s)
- Kimberly A. Waller
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/Rhode Island Hospital, Providence, RI
| | - Kaitlyn E. Chin
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/Rhode Island Hospital, Providence, RI
| | - Gregory D. Jay
- Department of Emergency Medicine, Warren Alpert Medical School of Brown University/Rhode Island Hospital, Providence, RI,School of Engineering, Brown University, Providence, RI
| | - Ling X. Zhang
- Department of Emergency Medicine, Warren Alpert Medical School of Brown University/Rhode Island Hospital, Providence, RI
| | - Erin Teeple
- Department of Occupational and Environmental Medicine, Harvard School of Public Health, Boston, MA,Department of Orthopedic Surgery, Brigham and Women's Hospital, Boston, MA
| | - Scott McAllister
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/Rhode Island Hospital, Providence, RI
| | - Gary J. Badger
- Department of Medical Biostatistics, University of Vermont, Burlington, VT
| | - Tannin A. Schmidt
- Faculty of Kinesiology & Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada
| | - Braden C. Fleming
- Department of Orthopaedics, Warren Alpert Medical School of Brown University/Rhode Island Hospital, Providence, RI,School of Engineering, Brown University, Providence, RI
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Alquraini A, Jamal M, Zhang L, Schmidt T, Jay GD, Elsaid KA. The autocrine role of proteoglycan-4 (PRG4) in modulating osteoarthritic synoviocyte proliferation and expression of matrix degrading enzymes. Arthritis Res Ther 2017; 19:89. [PMID: 28482921 PMCID: PMC5423025 DOI: 10.1186/s13075-017-1301-5] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2016] [Accepted: 04/28/2017] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Lubricin/proteoglycan 4 (PRG4) is a mucinous glycoprotein secreted by synovial fibroblasts and superficial zone chondrocytes. Recently, we showed that recombinant human PRG4 (rhPRG4) is a putative ligand for CD44 receptor. rhPRG4-CD44 interaction inhibits cytokine-induced rheumatoid arthritis synoviocyte proliferation. The objective of this study is to decipher the autocrine function of PRG4 in regulating osteoarthritic synoviocyte proliferation and expression of catabolic and pro-inflammatory mediators under basal and interleukin-1 beta (IL-1β)-stimulated conditions. METHODS Cytosolic and nuclear levels of nuclear factor kappa B (NFκB) p50 and p65 subunits in Prg4 +/+ and Prg4 -/- synoviocytes were studied using western blot. Nuclear translocation of p50 and p65 proteins in osteoarthritis (OA) fibroblast-like synoviocytes (FLS) in response to IL-1β stimulation in the absence or presence of rhPRG4 was studied using DNA binding assays. OA synoviocyte (5000 cells per well) proliferation following IL-1β (20 ng/ml) treatment in the absence or presence of rhPRG4 (50-200 μg/ml) over 48 hours was determined using a colorimetric assay. Gene expression of matrix metalloproteinases (MMPs), tissue inhibitor of metallproteinases-1 (TIMP-1), TIMP-2, IL-1β, IL-6, IL-8, TNF-α, cycloxygenae-2 (COX2) and PRG4 in unstimulated and IL-1β (1 ng/ml)-stimulated OA synoviocytes, in the presence or absence of rhPRG4 (100 and 200 μg/ml), was studied following incubation for 24 hours. RESULTS Prg4 -/- synoviocytes contained higher nuclear p50 and p65 levels compared to Prg4 +/+ synoviocytes (p < 0.05). rhPRG4 (100 μg/ml) reduced p50 and p65 nuclear levels in Prg4 +/+ and Prg4 -/- synoviocytes (p < 0.001). Similarly, rhPRG4 (200 μg/ml) inhibited NFκB translocation and cell proliferation in OA synoviocytes in a CD44-dependent manner (p < 0.001) via inhibition of IκBα phosphorylation. IL-1β reduced PRG4 expression in OA synoviocytes and rhPRG4 (100 μg/ml) treatment reversed this effect (p < 0.001). rhPRG4 (200 μg/ml) reduced basal gene expression of MMP-1, MMP-3, MMP-13, IL-6, IL-8, and PRG4 in OA synoviocytes, while increasing TIMP-2 and cycloxygenase-2 (COX2) expression (p < 0.001). rhPRG4 (200 μg/ml) reduced IL-1β induction of MMP-1, MMP-3, MMP-9, MMP-13, IL-6, IL-8, and COX2 expression in a CD44-dependent manner (p < 0.001). CONCLUSION PRG4 plays an important anti-inflammatory role in regulating OA synoviocyte proliferation and reduces basal and IL-1β-stimulated expression of catabolic mediators. Exogenous rhPRG4 autoregulates native PRG4 expression in OA synoviocytes.
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Affiliation(s)
- Ali Alquraini
- Department of Pharmaceutical Sciences, MCPHS University, Boston, MA, USA.,School of Pharmacy, Albaha University, Albaha, Saudi Arabia
| | - Maha Jamal
- Department of Pharmaceutical Sciences, MCPHS University, Boston, MA, USA
| | - Ling Zhang
- Department of Emergency Medicine, Rhode Island Hospital, Providence, RI, USA
| | - Tannin Schmidt
- Faculty of Kinesiology and Schulich School of Engineering, University of Calgary, Calgary, AB, Canada
| | - Gregory D Jay
- Department of Emergency Medicine, Rhode Island Hospital, Providence, RI, USA.,Department of Biomedical Engineering, Brown University, Providence, RI, USA
| | - Khaled A Elsaid
- Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Rinker Health Sciences Campus, 9401 Jeronimo Road, Irvine, CA, 92618, USA.
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83
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Jeon OH, Kim C, Laberge RM, Demaria M, Rathod S, Vasserot AP, Chung JW, Kim DH, Poon Y, David N, Baker DJ, van Deursen JM, Campisi J, Elisseeff JH. Local clearance of senescent cells attenuates the development of post-traumatic osteoarthritis and creates a pro-regenerative environment. Nat Med 2017; 23:775-781. [PMID: 28436958 DOI: 10.1038/nm.4324] [Citation(s) in RCA: 991] [Impact Index Per Article: 141.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Accepted: 03/16/2017] [Indexed: 01/15/2023]
Abstract
Senescent cells (SnCs) accumulate in many vertebrate tissues with age and contribute to age-related pathologies, presumably through their secretion of factors contributing to the senescence-associated secretory phenotype (SASP). Removal of SnCs delays several pathologies and increases healthy lifespan. Aging and trauma are risk factors for the development of osteoarthritis (OA), a chronic disease characterized by degeneration of articular cartilage leading to pain and physical disability. Senescent chondrocytes are found in cartilage tissue isolated from patients undergoing joint replacement surgery, yet their role in disease pathogenesis is unknown. To test the idea that SnCs might play a causative role in OA, we used the p16-3MR transgenic mouse, which harbors a p16INK4a (Cdkn2a) promoter driving the expression of a fusion protein containing synthetic Renilla luciferase and monomeric red fluorescent protein domains, as well as a truncated form of herpes simplex virus 1 thymidine kinase (HSV-TK). This mouse strain allowed us to selectively follow and remove SnCs after anterior cruciate ligament transection (ACLT). We found that SnCs accumulated in the articular cartilage and synovium after ACLT, and selective elimination of these cells attenuated the development of post-traumatic OA, reduced pain and increased cartilage development. Intra-articular injection of a senolytic molecule that selectively killed SnCs validated these results in transgenic, non-transgenic and aged mice. Selective removal of the SnCs from in vitro cultures of chondrocytes isolated from patients with OA undergoing total knee replacement decreased expression of senescent and inflammatory markers while also increasing expression of cartilage tissue extracellular matrix proteins. Collectively, these findings support the use of SnCs as a therapeutic target for treating degenerative joint disease.
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Affiliation(s)
- Ok Hee Jeon
- Translational Tissue Engineering Center, Wilmer Eye Institute and the Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Chaekyu Kim
- Translational Tissue Engineering Center, Wilmer Eye Institute and the Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA.,Department of Chemistry, Ulsan National Institute of Science and Technology, Ulsan, South Korea
| | - Remi-Martin Laberge
- Buck Institute for Research on Aging, Novato, California, USA.,Unity Biotechnology, Inc., Brisbane, California, USA
| | - Marco Demaria
- Buck Institute for Research on Aging, Novato, California, USA.,European Research Institute for the Biology of Ageing (ERIBA), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Sona Rathod
- Translational Tissue Engineering Center, Wilmer Eye Institute and the Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | | | - Jae Wook Chung
- Translational Tissue Engineering Center, Wilmer Eye Institute and the Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Do Hun Kim
- Translational Tissue Engineering Center, Wilmer Eye Institute and the Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
| | - Yan Poon
- Unity Biotechnology, Inc., Brisbane, California, USA
| | | | - Darren J Baker
- Department of Pediatric and Adolescent Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Jan M van Deursen
- Department of Pediatric and Adolescent Medicine, Mayo Clinic College of Medicine, Rochester, Minnesota, USA
| | - Judith Campisi
- Buck Institute for Research on Aging, Novato, California, USA.,Lawrence Berkeley National Laboratory, University of California, Berkeley, Berkley, California, USA
| | - Jennifer H Elisseeff
- Translational Tissue Engineering Center, Wilmer Eye Institute and the Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
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84
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Blaker CL, Clarke EC, Little CB. Using mouse models to investigate the pathophysiology, treatment, and prevention of post-traumatic osteoarthritis. J Orthop Res 2017; 35:424-439. [PMID: 27312470 DOI: 10.1002/jor.23343] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 06/14/2016] [Indexed: 02/04/2023]
Abstract
Post-traumatic osteoarthritis (PTOA) is defined by its development after joint injury. Factors contributing to the risk of PTOA occurring, the rate of progression, and degree of associated disability in any individual, remain incompletely understood. What constitutes an "OA-inducing injury" is not defined. In line with advances in the traumatic brain injury field, we propose the scope of PTOA-inducing injuries be expanded to include not only those causing immediate structural damage and instability (Type I), but also those without initial instability/damage from moderate (Type II) or minor (Type III) loading severity. A review of the literature revealed this full spectrum of potential PTOA subtypes can be modeled in mice, with 27 Type I, 6 Type II, and 4 Type III models identified. Despite limitations due to cartilage anatomy, joint size, and bio-fluid availability, mice offer advantages as preclinical models to study PTOA, particularly genetically modified strains. Histopathology was the most common disease outcome, cartilage more frequently studied than bone or synovium, and meniscus and ligaments rarely evaluated. Other methods used to examine PTOA included gene expression, protein analysis, and imaging. Despite the major issues reported by patients being pain and biomechanical dysfunction, these were the least commonly measured outcomes in mouse models. Informative correlations of simultaneously measured disease outcomes in individual animals, was rarely done in any mouse PTOA model. This review has identified knowledge gaps that need to be addressed to increase understanding and improve prevention and management of PTOA. Preclinical mouse models play a critical role in these endeavors. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:424-439, 2017.
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Affiliation(s)
- Carina L Blaker
- Murray Maxwell Biomechanics Laboratory, Institute of Bone and Joint Research, Level 10, Kolling Institute B6, Northern Sydney Local Health District, Sydney Medical School Northern, University of Sydney, The Royal North Shore Hospital, St. Leonards, New South Wales, 2065, Australia.,Raymond Purves Bone and Joint Research Laboratories, Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, Sydney Medical School Northern, University of Sydney, St. Leonards, New South Wales, 2065, Australia
| | - Elizabeth C Clarke
- Murray Maxwell Biomechanics Laboratory, Institute of Bone and Joint Research, Level 10, Kolling Institute B6, Northern Sydney Local Health District, Sydney Medical School Northern, University of Sydney, The Royal North Shore Hospital, St. Leonards, New South Wales, 2065, Australia
| | - Christopher B Little
- Raymond Purves Bone and Joint Research Laboratories, Institute of Bone and Joint Research, Kolling Institute, Northern Sydney Local Health District, Sydney Medical School Northern, University of Sydney, St. Leonards, New South Wales, 2065, Australia
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85
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86
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Chavez RD, Coricor G, Perez J, Seo HS, Serra R. SOX9 protein is stabilized by TGF-β and regulates PAPSS2 mRNA expression in chondrocytes. Osteoarthritis Cartilage 2017; 25:332-340. [PMID: 27746378 PMCID: PMC5258840 DOI: 10.1016/j.joca.2016.10.007] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 08/29/2016] [Accepted: 10/05/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE We previously identified 3'-phosphoadenosine 5'-phosphosulfate synthase 2 (PAPSS2) as a transcriptional target of transforming growth factor β (TGF-β) in chondrocytes. PAPSS2 is required for proper sulfation of proteoglycans in cartilage. Defective sulfation in the matrix results in alterations in mechanical properties of the cartilage that would be expected to result in degeneration. The objective of this study was to identify factors that regulate PAPSS2 expression and compare to a known TGF-β responsive gene, proteoglycan 4/lubricin (PRG4). In this study, TGF-β-mediated regulation of SOX9 was characterized, and the involvement of SOX9 in regulation of PAPSS2 mRNA was investigated. DESIGN Primary bovine articular chondrocytes grown in micromass culture and ATDC5 cells were used as the model system. Adenoviruses were used to express SOX9 and SMAD3. siRNA was used to knock-down Sox9 and Smad3. Western blot and real-time quantitative RT-PCR (qPCR) were used to measure changes in protein and mRNA levels in response to treatment. RESULTS Over-expression of SOX9 was sufficient to up-regulate PAPSS2 mRNA. TGF-β treatment of SOX9-expressing cells resulted in enhanced up-regulation of PAPSS2 mRNA, suggesting that SOX9 cooperates with TGF-β signaling. Furthermore, Sox9 was required for full TGF-β-mediated induction of Papss2. In contrast, PRG4 was regulated by SMAD3 but not SOX9. SOX9 protein levels were increased after treatment with TGF-β, although SOX9 mRNA was not. SOX9 protein was post-translationally stabilized after treatment with TGF-β. CONCLUSIONS TGF-β stabilizes SOX9 protein, and SOX9 is sufficient and necessary for TGF-β-mediated regulation of PAPSS2 mRNA, providing a novel mechanism for TGF-β-mediated gene regulation in chondrocytes.
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Affiliation(s)
| | | | | | | | - R Serra
- corresponding author. Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, 1918 University Blvd., 660 MCLM, Birmingham, AL, 35294-0005
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87
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Reesink H, Watts A, Mohammed H, Jay G, Nixon A. Lubricin/proteoglycan 4 increases in both experimental and naturally occurring equine osteoarthritis. Osteoarthritis Cartilage 2017; 25:128-137. [PMID: 27498214 PMCID: PMC5489058 DOI: 10.1016/j.joca.2016.07.021] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Revised: 07/25/2016] [Accepted: 07/28/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The goals of this study were (1) to quantify proteoglycan 4 (PRG4) gene expression; (2) to assess lubricin immunostaining; and (3) to measure synovial fluid lubricin concentrations in clinical and experimental models of equine carpal osteoarthritis (OA). DESIGN Lubricin synovial fluid concentrations and cartilage and synovial membrane PRG4 expression were analyzed in research horses undergoing experimental OA induction (n = 8) and in equine clinical patients with carpal OA (n = 58). Lubricin concentrations were measured using a custom sandwich enzyme-linked immunosorbent assay, and PRG4 expression was quantified using qRT-PCR. Lubricin immunostaining was assessed in synovial membrane and osteochondral sections in the experimental model. RESULTS Lubricin concentrations increased in synovial fluid following induction of OA, peaking at 21 days post-operatively in OA joints vs sham-operated controls (331 ± 69 μg/mL vs 110 ± 19 μg/mL, P = 0.001). Lubricin concentrations also increased in horses with naturally occurring OA as compared to control joints (152 ± 32 μg/mL vs 68 ± 4 μg/mL, P = 0.003). Synovial membrane PRG4 expression increased nearly 2-fold in naturally occurring OA (P = 0.003), whereas cartilage PRG4 expression decreased 2.5-fold (P = 0.025). Lubricin immunostaining was more pronounced in synovial membrane from OA joints as compared to controls, with intense lubricin localization to sites of cartilage damage. CONCLUSIONS Although PRG4 gene expression decreases in OA cartilage, synovial membrane PRG4 expression, synovial fluid lubricin concentrations and lubricin immunostaining all increase in an equine OA model. Lubricin may be elevated to protect joints from post-traumatic OA.
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Affiliation(s)
- H.L. Reesink
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA,Address correspondence and reprint requests to: H.L. Reesink, Department of Clinical Sciences, Cornell University, Ithaca, NY 14853, USA. Fax: 1-607-253-3787. (A.J. Nixon)
| | - A.E. Watts
- Department of Large Animal Clinical Sciences, Texas A&M University, College Station, TX 77843, USA
| | - H.O. Mohammed
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
| | - G.D. Jay
- Department of Emergency Medicine, Warren Alpert Medical School of Brown University, Providence, RI 02903, USA,Department of Engineering, Brown University, Providence, RI 12903, USA
| | - A.J. Nixon
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA,Address correspondence and reprint requests to: A.J. Nixon, Department of Clinical Sciences, Cornell University, Ithaca, NY 14853, USA. Fax: 1-607-253-3787, (H.L. Reesink)
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88
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Tao K, Rey-Rico A, Frisch J, Venkatesan JK, Schmitt G, Madry H, Lin J, Cucchiarini M. rAAV-mediated combined gene transfer and overexpression of TGF-β and SOX9 remodels human osteoarthritic articular cartilage. J Orthop Res 2016; 34:2181-2190. [PMID: 26970525 DOI: 10.1002/jor.23228] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Accepted: 03/06/2016] [Indexed: 02/04/2023]
Abstract
Direct administration of therapeutic candidate gene sequences using the safe and effective recombinant adeno-associated virus (rAAV) vectors is a promising strategy to stimulate the biologic activities of articular chondrocytes as an adapted tool to treat human osteoarthritic (OA) cartilage. In the present study, we developed a combined gene transfer approach based on the co-delivery of the pleiotropic transformation growth factor beta (TGF-β) with the specific transcription factor SOX9 via rAAV to human normal and OA chondrocytes in vitro and cartilage explants in situ in light of the mitogenic and pro-anabolic properties of these factors. Effective, durable co-overexpression of TGF-β and SOX9 significantly enhanced the levels of cell proliferation both in human normal and OA chondrocytes and cartilage explants over an extended period of time (21 days), while stimulating the biosynthesis of key matrix components (proteoglycans, type-II collagen) compared with control conditions (reporter lacZ gene transfer, absence of vector treatment). Of further note, expression of hypertrophic type-X collagen significantly decreased following co-treatment by the candidate vectors. The present findings show the value of combining the transfer and expression of potent candidate factors in human OA cartilage as a means to re-establish essential features of normal cartilage and counteract the pathological shift of homeostasis. These observations support the concept of developing dual therapeutic rAAV gene transfer strategies as future, adapted tools for the direct treatment of human OA. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 34:2181-2190, 2016.
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Affiliation(s)
- Ke Tao
- Institute of Arthritis, Peking University People's Hospital, Beijing, 100044, People's Republic of China
- Peking University Health Science Center, Beijing, 100191, People's Republic of China
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg/Saar, Germany
| | - Ana Rey-Rico
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg/Saar, Germany
| | - Janina Frisch
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg/Saar, Germany
| | - Jagadeesh K Venkatesan
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg/Saar, Germany
| | - Gertrud Schmitt
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg/Saar, Germany
| | - Henning Madry
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg/Saar, Germany
- Department of Orthopaedic Surgery, Saarland University Medical Center, Homburg/Saar, Germany
| | - Jianhao Lin
- Institute of Arthritis, Peking University People's Hospital, Beijing, 100044, People's Republic of China
- Peking University Health Science Center, Beijing, 100191, People's Republic of China
| | - Magali Cucchiarini
- Center of Experimental Orthopedics, Saarland University Medical Center, Homburg/Saar, Germany
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89
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Jacobs HN, Rathod S, Wolf MT, Elisseeff JH. Intra-articular Injection of Urinary Bladder Matrix Reduces Osteoarthritis Development. AAPS JOURNAL 2016; 19:141-149. [PMID: 27778194 DOI: 10.1208/s12248-016-9999-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Accepted: 09/28/2016] [Indexed: 11/30/2022]
Abstract
Micronized porcine urinary bladder matrix (UBM) is an extracellular matrix biomaterial that has immunomodulatory and pro-regenerative properties. The objective of this study was to assess the ability of UBM to alter disease progression in a mouse model of post-traumatic osteoarthritis (OA). Ten-week-old wild-type C57BL/6 male mice underwent anterior cruciate ligament transection (ACLT) to induce OA. Two weeks after ACLT, UBM (50 mg/mL) or saline was injected into the mouse joint. At 4 and 8 weeks post-ACLT, cartilage integrity was assessed using OARSI scoring of histology, pain was evaluated, and joints were harvested for quantitative RT-PCR analysis of cartilage-specific and inflammatory gene expression. UBM-treated animals showed improved cartilage integrity at 4 and 8 weeks and reduced pain at 4 weeks compared to saline-injected mice. Animals injected with UBM expressed higher levels of genes encoding structural cartilage proteins, such as collagen2α1 and aggrecan, as well as anti-inflammatory cytokines, including interleukins 10 and 4. UBM decreased cartilage degeneration in the murine ACLT model of OA, which may be due to reduced inflammation in the joint and maintenance of high expression levels of proteoglycans.
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Affiliation(s)
- Heather N Jacobs
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, 21287, USA
| | - Sona Rathod
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, 21287, USA
| | - Matthew T Wolf
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, 21287, USA
| | - Jennifer H Elisseeff
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, 21287, USA. .,, 400N Broadway, Baltimore, Maryland, 21232, USA.
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90
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Anderson DE, Markway BD, Bond D, McCarthy HE, Johnstone B. Responses to altered oxygen tension are distinct between human stem cells of high and low chondrogenic capacity. Stem Cell Res Ther 2016; 7:154. [PMID: 27765063 PMCID: PMC5073443 DOI: 10.1186/s13287-016-0419-8] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 08/05/2016] [Accepted: 10/06/2016] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Lowering oxygen from atmospheric level (hyperoxia) to the physiological level (physioxia) of articular cartilage promotes mesenchymal stem cell (MSC) chondrogenesis. However, the literature is equivocal regarding the benefits of physioxic culture on preventing hypertrophy of MSC-derived chondrocytes. Articular cartilage progenitors (ACPs) undergo chondrogenic differentiation with reduced hypertrophy marker expression in hyperoxia but have not been studied in physioxia. This study sought to delineate the effects of physioxic culture on both cell types undergoing chondrogenesis. METHODS MSCs were isolated from human bone marrow aspirates and ACP clones were isolated from healthy human cartilage. Cells were differentiated in pellet culture in physioxia (2 % oxygen) or hyperoxia (20 % oxygen) over 14 days. Chondrogenesis was characterized by biochemical assays and gene and protein expression analysis. RESULTS MSC preparations and ACP clones of high intrinsic chondrogenicity (termed high-GAG) produced abundant matrix in hyperoxia and physioxia. Poorly chondrogenic cells (low-GAG) demonstrated a significant fold-change matrix increase in physioxia. Both high-GAG and low-GAG groups of MSCs and ACPs significantly upregulated chondrogenic genes; however, only high-GAG groups had a concomitant decrease in hypertrophy-related genes. High-GAG MSCs upregulated many common hypoxia-responsive genes in physioxia while low-GAG cells downregulated most of these genes. In physioxia, high-GAG MSCs and ACPs produced comparable type II collagen but less type I collagen than those in hyperoxia. Type X collagen was detectable in some ACP pellets in hyperoxia but reduced or absent in physioxia. In contrast, type X collagen was detectable in all MSC preparations in hyperoxia and physioxia. CONCLUSIONS MSC preparations and ACP clones had a wide range of chondrogenicity between donors. Physioxia significantly enhanced the chondrogenic potential of both ACPs and MSCs compared with hyperoxia, but the magnitude of response was inversely related to intrinsic chondrogenic potential. Discrepancies in the literature regarding MSC hypertrophy in physioxia can be explained by the use of low numbers of preparations of variable chondrogenicity. Physioxic differentiation of MSC preparations of high chondrogenicity significantly decreased hypertrophy-related genes but still produced type X collagen protein. Highly chondrogenic ACP clones had significantly lower hypertrophic gene levels, and there was little to no type X collagen protein in physioxia, emphasizing the potential advantage of these cells.
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Affiliation(s)
- Devon E Anderson
- Oregon Health & Science University, 3181 SW Sam Jackson Park Road, HRC529C, Portland, OR, 97239, USA
| | - Brandon D Markway
- Oregon Health & Science University, 3181 SW Sam Jackson Park Road, HRC529C, Portland, OR, 97239, USA
| | - Derek Bond
- Oregon Health & Science University, 3181 SW Sam Jackson Park Road, HRC529C, Portland, OR, 97239, USA
| | - Helen E McCarthy
- Cardiff School of Biosciences, Sir Martin Evans Building, Cardiff, CF10 3AX, UK
| | - Brian Johnstone
- Oregon Health & Science University, 3181 SW Sam Jackson Park Road, OP31, Portland, OR, 97239, USA.
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91
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Changes in the osteochondral unit during osteoarthritis: structure, function and cartilage-bone crosstalk. Nat Rev Rheumatol 2016; 12:632-644. [PMID: 27652499 DOI: 10.1038/nrrheum.2016.148] [Citation(s) in RCA: 501] [Impact Index Per Article: 62.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In diarthrodial joints, the articular cartilage, calcified cartilage, and subchondral cortical and trabecular bone form a biocomposite - referred to as the osteochondral unit - that is uniquely adapted to the transfer of load. During the evolution of the osteoarthritic process the compositions, functional properties, and structures of these tissues undergo marked alterations. Although pathological processes might selectively target a single joint tissue, ultimately all of the components of the osteochondral unit will be affected because of their intimate association, and thus the biological and physical crosstalk among them is of great importance. The development of targeted therapies against the osteoarthritic processes in cartilage or bone will, therefore, require an understanding of the state of these joint tissues at the time of the intervention. Importantly, these interventions will not be successful unless they are applied at the early stages of disease before considerable structural and functional alterations occur in the osteochondral unit. This Review describes the changes that occur in bone and cartilage during the osteoarthritic process, and highlights strategies for how this knowledge could be applied to develop new therapeutic interventions for osteoarthritis.
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92
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Rey-Rico A, Frisch J, Venkatesan JK, Schmitt G, Rial-Hermida I, Taboada P, Concheiro A, Madry H, Alvarez-Lorenzo C, Cucchiarini M. PEO-PPO-PEO Carriers for rAAV-Mediated Transduction of Human Articular Chondrocytes in Vitro and in a Human Osteochondral Defect Model. ACS APPLIED MATERIALS & INTERFACES 2016; 8:20600-20613. [PMID: 27404480 DOI: 10.1021/acsami.6b06509] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Gene therapy is an attractive strategy for the durable treatment of human osteoarthritis (OA), a gradual, irreversible joint disease. Gene carriers based on the small human adeno-associated virus (AAV) exhibit major efficacy in modifying damaged human articular cartilage in situ over extended periods of time. Yet, clinical application of recombinant AAV (rAAV) vectors remains complicated by the presence of neutralizing antibodies against viral capsid elements in a majority of patients. The goal of this study was to evaluate the feasibility of delivering rAAV vectors to human OA chondrocytes in vitro and in an experimental model of osteochondral defect via polymeric micelles to protect gene transfer from experimental neutralization. Interaction of rAAV with micelles of linear (poloxamer PF68) or X-shaped (poloxamine T908) poly(ethylene oxide) (PEO) and poly(propylene oxide) (PPO) copolymers (PEO-PPO-PEO micelles) was characterized by means of isothermal titration calorimetry. Micelle encapsulation allowed an increase in both the stability and bioactivity of rAAV vectors and promoted higher levels of safe transgene (lacZ) expression both in vitro and in experimental osteochondral defects compared with that of free vector treatment without detrimental effects on the biological activity of the cells or their phenotype. Remarkably, protection against antibody neutralization was also afforded when delivering rAAV via PEO-PPO-PEO micelles in all systems evaluated, especially when using T908. Altogether, these findings show the potential of PEO-PPO-PEO micelles as effective tools to improve current gene-based treatments for human OA.
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Affiliation(s)
- Ana Rey-Rico
- Center of Experimental Orthopaedics, Saarland University Medical Center , Homburg, Germany
| | - Janina Frisch
- Center of Experimental Orthopaedics, Saarland University Medical Center , Homburg, Germany
| | | | - Gertrud Schmitt
- Center of Experimental Orthopaedics, Saarland University Medical Center , Homburg, Germany
| | - Isabel Rial-Hermida
- Departamento de Farmacia y Tecnología Farmacéutica, R+DPharma Group (GI-1645), Facultad de Farmacia, Universidade de Santiago de Compostela , Santiago de Compostela, Spain
| | - Pablo Taboada
- Departamento de Física de la Materia Condensada, Facultad de Física, Universidade de Santiago de Compostela , Santiago de Compostela, Spain
| | - Angel Concheiro
- Departamento de Farmacia y Tecnología Farmacéutica, R+DPharma Group (GI-1645), Facultad de Farmacia, Universidade de Santiago de Compostela , Santiago de Compostela, Spain
| | - Henning Madry
- Center of Experimental Orthopaedics, Saarland University Medical Center , Homburg, Germany
- Department of Orthopaedics and Orthopaedic Surgery, Saarland University Medical Center , Homburg, Germany
| | - Carmen Alvarez-Lorenzo
- Departamento de Farmacia y Tecnología Farmacéutica, R+DPharma Group (GI-1645), Facultad de Farmacia, Universidade de Santiago de Compostela , Santiago de Compostela, Spain
| | - Magali Cucchiarini
- Center of Experimental Orthopaedics, Saarland University Medical Center , Homburg, Germany
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93
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Uchimura T, Foote AT, Smith EL, Matzkin EG, Zeng L. Insulin-Like Growth Factor II (IGF-II) Inhibits IL-1β-Induced Cartilage Matrix Loss and Promotes Cartilage Integrity in Experimental Osteoarthritis. J Cell Biochem 2016; 116:2858-69. [PMID: 26015264 DOI: 10.1002/jcb.25232] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 05/14/2015] [Indexed: 12/21/2022]
Abstract
Osteoarthritis (OA) is a widespread chronic joint disease characterized by articular cartilage destruction and accompanied by pain and disability. In this study, we found that the expression of Insulin-like Growth Factor II (IGF-II) was reduced in articular cartilage in human OA patients as well as in the murine experimental OA model of destabilization of the medial meniscus (DMM). In primary human articular chondrocytes, ectopic expression of lentiviral IGF-II inhibited pro-inflammatory cytokine IL-1β-induced NF-κB activation as well as catabolic gene expression. Interestingly, IGF-II did not significantly alter the phosphorylation states of ERK1/2 or Akt, which are kinases typically activated by IGF-I. Instead, it induced the activity of phospholipase C (PLC) and a PLC inhibitor blocked the inhibitory activity of IGF-II against IL-1β, suggesting that this activity is mediated through PLC. Furthermore, IGF-II increased cartilage matrix levels and decreased MMP13 protein expression in explanted human OA cartilage cultures in vitro. In the in vivo DMM model, intraarticular injection of lentiviral IGF-II led to enhanced cartilage matrix levels and decreased MMP13 protein expression, as well as reduced osteophyte formation and subchondral bone sclerosis. Therefore, our results suggest that IGF-II can promote cartilage integrity and halt knee joint destruction in OA.
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Affiliation(s)
- Tomoya Uchimura
- Program in Cellular, Molecular and Developmental Biology, Sackler School of Graduate Biomedical Sciences, Tufts University School of Medicine, 136 Harrison Avenue, Boston, Massachusetts, 02111.,Department of Integrative Physiology and Pathobiology, Tufts University School of Medicine, 136 Harrison Avenue, Boston, Massachusetts, 02111
| | - Andrea T Foote
- Department of Integrative Physiology and Pathobiology, Tufts University School of Medicine, 136 Harrison Avenue, Boston, Massachusetts, 02111
| | - Eric L Smith
- Department of Orthopaedic Surgery, Tufts Medical Center, 800 Washington Street, Boston, Massachusetts, 02111
| | - Elizabeth G Matzkin
- Department of Orthopaedic Surgery, Tufts Medical Center, 800 Washington Street, Boston, Massachusetts, 02111
| | - Li Zeng
- Program in Cellular, Molecular and Developmental Biology, Sackler School of Graduate Biomedical Sciences, Tufts University School of Medicine, 136 Harrison Avenue, Boston, Massachusetts, 02111.,Department of Integrative Physiology and Pathobiology, Tufts University School of Medicine, 136 Harrison Avenue, Boston, Massachusetts, 02111.,Department of Orthopaedic Surgery, Tufts Medical Center, 800 Washington Street, Boston, Massachusetts, 02111
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94
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Ogawa H, Matsumoto K, Terabayashi N, Kawashima K, Takeuchi K, Akiyama H. Association of lubricin concentration in synovial fluid and clinical status of osteoarthritic knee. Mod Rheumatol 2016; 27:489-492. [PMID: 27435056 DOI: 10.1080/14397595.2016.1209829] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
OBJECTIVES Although lubricin plays a role in controlling inflammation and pain as well as being a mechanical lubricant, clinical relevance of lubricin concentration in synovial fluid (SF) is unknown. The purpose was to determine whether lubricin concentration in SF is associated with the clinical status of the knee. METHODS SF was obtained from 61 knee joints from patients who underwent any knee surgery with several stages of knee osteoarthritis. Lubricin/PRG4 concentration in SF was measured by enzyme-linked immunosorbent assay (ELISA). Clinical evaluations of the knee by the Kellgren and Lawrence (K-L) system, Knee Society Score (KSS), and the range of knee motion, and assessment of joint laxity were performed. Association of lubricin concentration in SF and these clinical factors was statistically analyzed. RESULTS There was no significant correlation between lubricin concentration in SF and age, sex, K-L grade, or KSS. However, lubricin concentration was significantly correlated with anteroposterior laxity (R = 0.50, p < 0.001), full flexion angle (R = 0.39, p < 0.01), and range of knee motion (R = 0.38, p < 0.01), but not full extension angle, varus laxity, or valgus laxity. CONCLUSIONS Lubricin concentration was correlated with joint flexibility, but not with clinical symptoms, including pain at that time.
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Affiliation(s)
- Hiroyasu Ogawa
- a Department of Orthopaedic Surgery and.,b Department of Advanced Joint Reconstructive Surgery , Gifu University Graduate School of Medicine , Gifu , Japan
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95
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Reesink HL, Bonnevie ED, Liu S, Shurer CR, Hollander MJ, Bonassar LJ, Nixon AJ. Galectin-3 Binds to Lubricin and Reinforces the Lubricating Boundary Layer of Articular Cartilage. Sci Rep 2016; 6:25463. [PMID: 27157803 PMCID: PMC4860590 DOI: 10.1038/srep25463] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Accepted: 04/18/2016] [Indexed: 12/24/2022] Open
Abstract
Lubricin is a mucinous, synovial fluid glycoprotein that enables near frictionless joint motion via adsorption to the surface of articular cartilage and its lubricating properties in solution. Extensive O-linked glycosylation within lubricin’s mucin-rich domain is critical for its boundary lubricating function; however, it is unknown exactly how glycosylation facilitates cartilage lubrication. Here, we find that the lubricin glycome is enriched with terminal β-galactosides, known binding partners for a family of multivalent lectins called galectins. Of the galectin family members present in synovial fluid, we find that galectin-3 is a specific, high-affinity binding partner for lubricin. Considering the known ability of galectin-3 to crosslink glycoproteins, we hypothesized that galectins could augment lubrication via biomechanical stabilization of the lubricin boundary layer. We find that competitive inhibition of galectin binding results in lubricin loss from the cartilage surface, and addition of multimeric galectin-3 enhances cartilage lubrication. We also find that galectin-3 has low affinity for the surface layer of osteoarthritic cartilage and has reduced affinity for sialylated O-glycans, a glycophenotype associated with inflammatory conditions. Together, our results suggest that galectin-3 reinforces the lubricin boundary layer; which, in turn, enhances cartilage lubrication and may delay the onset and progression of arthritis.
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Affiliation(s)
- Heidi L Reesink
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States of America
| | - Edward D Bonnevie
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, United States of America
| | - Sherry Liu
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States of America
| | - Carolyn R Shurer
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States of America
| | - Michael J Hollander
- School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, United States of America
| | - Lawrence J Bonassar
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, United States of America.,Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, United States of America
| | - Alan J Nixon
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States of America
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96
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Liu R, Liu Q, Wang K, Dang X, Zhang F. Comparative analysis of gene expression profiles in normal hip human cartilage and cartilage from patients with necrosis of the femoral head. Arthritis Res Ther 2016; 18:98. [PMID: 27146865 PMCID: PMC4857375 DOI: 10.1186/s13075-016-0991-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 04/07/2016] [Indexed: 12/02/2022] Open
Abstract
Background The pathogenesis of necrosis of the femoral head (NFH) remains elusive. Limited studies were conducted to investigate the molecular mechanism of hip articular cartilage damage in NFH. We conducted genome-wide gene expression profiling of hip articular cartilage with NFH. Methods Hip articular cartilage specimens were collected from 18 NFH patients and 18 healthy controls. Gene expression profiling of NFH articular cartilage was carried out by Agilent Human 4x44K Gene Expression Microarray chip. Differently expressed genes were identified using the significance analysis of microarrays (SAM) software. Gene Ontology (GO) enrichment analysis of differently expressed genes was performed using the Database for Annotation, Visualization and Integrated Discovery (DAVID). Significantly differently expressed genes in the microarray experiment were selected for quantitative real-time PCR (qRT-PCR) and immunohistochemical validation. Results SAM identified 27 differently expressed genes in NFH articular cartilage, functionally involved in extracellular matrix, cytokines, growth factors, cell cycle and apoptosis. The expression patterns of the nine validation genes in qRT-PCR were consistent with that in proteinaceous extracellular matrix (false discovery rate (FDR) = 3.22 × 10-5), extracellular matrix (FDR = 5.78 × 10-5), extracellular region part (FDR = 1.28 × 10-4), collagen (FDR = 3.22 × 10-4), extracellular region (FDR = 4.78 × 10-4) and platelet-derived growth factor binding (FDR = 5.23 × 10-4). Conclusions This study identified a set of differently expressed genes, implicated in articular cartilage damage in NFH. Our study results may provide novel insight into the pathogenesis and rationale of therapies for NFH. Electronic supplementary material The online version of this article (doi:10.1186/s13075-016-0991-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ruiyu Liu
- Department of Orthopedics, the Second Affiliated Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China.
| | - Qi Liu
- Department of Orthopedics, the Second Affiliated Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China
| | - Kunzheng Wang
- Department of Orthopedics, the Second Affiliated Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China
| | - Xiaoqian Dang
- Department of Orthopedics, the Second Affiliated Hospital, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, P.R. China
| | - Feng Zhang
- Key Laboratory of Trace Elements and Endemic Diseases of National Health and Family Planning Commission, School of Public Health, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi, P. R. China.
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Szychlinska MA, Leonardi R, Al-Qahtani M, Mobasheri A, Musumeci G. Altered joint tribology in osteoarthritis: Reduced lubricin synthesis due to the inflammatory process. New horizons for therapeutic approaches. Ann Phys Rehabil Med 2016; 59:149-156. [PMID: 27118399 DOI: 10.1016/j.rehab.2016.03.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Revised: 02/16/2016] [Accepted: 03/09/2016] [Indexed: 01/15/2023]
Abstract
Osteoarthritis (OA) is the most common form of joint disease. This review aimed to consolidate the current evidence that implicates the inflammatory process in the attenuation of synovial lubrication and joint tissue homeostasis in OA. Moreover, with these findings, we propose some evidence for novel therapeutic strategies for preventing and/or treating this complex disorder. The studies reviewed support that inflammatory mediators participate in the onset and progression of OA after joint injury. The flow of pro-inflammatory cytokines following an acute injury seems to be directly associated with altered lubricating ability in the joint tissue. The latter is associated with reduced level of lubricin, one of the major joint lubricants. Future research should focus on the development of new therapies that attenuate the inflammatory process and restore lubricin synthesis and function. This approach could support joint tribology and synovial lubrication leading to improved joint function and pain relief.
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Affiliation(s)
- M A Szychlinska
- Department of Biomedical and Biotechnological Sciences, Human Anatomy and Histology Section, School of Medicine, University of Catania, Via S. Sofia 87, 95123 Catania, Italy
| | - R Leonardi
- Department of Medical and Surgical Science, Section of Dentistry, University of Catania, Catania, Italy
| | - M Al-Qahtani
- Center of Excellence in Genomic Medicine Research (CEGMR), King Fahd Medical Research Center (KFMRC), King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - A Mobasheri
- Center of Excellence in Genomic Medicine Research (CEGMR), King Fahd Medical Research Center (KFMRC), King Abdulaziz University, Jeddah 21589, Saudi Arabia; The D-BOARD European Consortium for Biomarker Discovery, The APPROACH Innovative Medicines Initiative (IMI) Consortium, School of Veterinary Medicine, Faculty of Health and Medical Sciences, University of Surrey, Duke of Kent Building, Guildford GU2 7XH, Surrey, United Kingdom; Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis, Arthritis Research UK Pain Centre, Medical Research Council and Arthritis Research UK Centre for Musculoskeletal Ageing Research, University of Nottingham, Queen's Medical Centre, Nottingham NG7 2UH, United Kingdom
| | - G Musumeci
- Department of Biomedical and Biotechnological Sciences, Human Anatomy and Histology Section, School of Medicine, University of Catania, Via S. Sofia 87, 95123 Catania, Italy.
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98
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Subchondral and epiphyseal bone remodeling following surgical transection and noninvasive rupture of the anterior cruciate ligament as models of post-traumatic osteoarthritis. Osteoarthritis Cartilage 2016; 24:698-708. [PMID: 26620090 DOI: 10.1016/j.joca.2015.11.005] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 11/03/2015] [Accepted: 11/06/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Animal models are frequently used to study post-traumatic osteoarthritis (PTOA). A common anterior cruciate ligament (ACL) injury model is surgical transection, which may introduce confounding factors from surgery. Noninvasive models could model human injury more closely. The purpose of this study was to compare subchondral and epiphyseal trabecular bone remodeling after surgical transection and noninvasive rupture of the ACL. METHODS Thirty-six rats were randomized to an uninjured control, surgical transection (Transection), or noninvasive rupture (Rupture). Animals were randomized to 4 or 10 week time points (n = 6 per group). Micro computed tomography (μCT) imaging was performed with an isotropic voxel size of 12 μm. Subchondral and epiphyseal bone was segmented semi-automatically, and morphometric analysis was performed. RESULTS Transection caused a greater decrease in subchondral bone volume fraction (BV/TV) than Rupture in the femur and tibia. Rupture had greater subchondral bone tissue mineral density (TMD) at 4 and 10 weeks in the femur and tibia. Subchondral bone thickness (SCB.Th) was decreased in the femur in Transection only. Epiphyseal BV/TV was decreased in Transection only, and Rupture exhibited increased femoral epiphyseal TMD compared to both Control and Transection. Rupture exhibited greater femoral epiphyseal trabecular thickness (Tb.Th.) compared to Control and Transection at 4 weeks, and both Rupture and Transection had increased femoral epiphyseal Tb.Th. at 10 weeks. Epiphyseal trabecular number (Tb.N) was decreased in both injury groups at both time points. Femoral and tibial epiphyseal structure model index (SMI) increased in both groups. CONCLUSIONS The two injury models cause differences in post-injury bone morphometry, and surgical transection may be introducing confounding factors that affect downstream bony remodeling.
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99
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Yahara Y, Takemori H, Okada M, Kosai A, Yamashita A, Kobayashi T, Fujita K, Itoh Y, Nakamura M, Fuchino H, Kawahara N, Fukui N, Watanabe A, Kimura T, Tsumaki N. Pterosin B prevents chondrocyte hypertrophy and osteoarthritis in mice by inhibiting Sik3. Nat Commun 2016; 7:10959. [PMID: 27009967 PMCID: PMC4820810 DOI: 10.1038/ncomms10959] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 02/05/2016] [Indexed: 01/09/2023] Open
Abstract
Osteoarthritis is a common debilitating joint disorder. Risk factors for osteoarthritis include age, which is associated with thinning of articular cartilage. Here we generate chondrocyte-specific salt-inducible kinase 3 (Sik3) conditional knockout mice that are resistant to osteoarthritis with thickened articular cartilage owing to a larger chondrocyte population. We also identify an edible Pteridium aquilinum compound, pterosin B, as a Sik3 pathway inhibitor. We show that either Sik3 deletion or intraarticular injection of mice with pterosin B inhibits chondrocyte hypertrophy and protects cartilage from osteoarthritis. Collectively, our results suggest Sik3 regulates the homeostasis of articular cartilage and is a target for the treatment of osteoarthritis, with pterosin B as a candidate therapeutic.
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Affiliation(s)
- Yasuhito Yahara
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan.,Department of Orthopaedic Surgery, Faculty of Medicine, University of Toyama, 2630, Sugitani, Toyama 930-0194, Japan
| | - Hiroshi Takemori
- Laboratory of Cell Signaling and Metabolic Disease, National Institutes of Biomedical Innovation, Health and Nutrition, 7-6-8, Asagi, Saito, Ibaraki, Osaka 567-0085, Japan
| | - Minoru Okada
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Azuma Kosai
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Akihiro Yamashita
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Tomohito Kobayashi
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Kaori Fujita
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Yumi Itoh
- Laboratory of Cell Signaling and Metabolic Disease, National Institutes of Biomedical Innovation, Health and Nutrition, 7-6-8, Asagi, Saito, Ibaraki, Osaka 567-0085, Japan
| | - Masahiro Nakamura
- Genome/Epigenome Analysis Core Facility, Center for iPS Cell Research and Application, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Hiroyuki Fuchino
- Research Center for Medicinal Plant Resources, Tsukuba Division, National Institutes of Biomedical Innovation, Health and Nutrition, 1-2, Hachimandai, Tsukuba, Ibaraki 305-0843, Japan
| | - Nobuo Kawahara
- Research Center for Medicinal Plant Resources, Tsukuba Division, National Institutes of Biomedical Innovation, Health and Nutrition, 1-2, Hachimandai, Tsukuba, Ibaraki 305-0843, Japan
| | - Naoshi Fukui
- Graduate School of Arts and Sciences, Department of Life Sciences, The University of Tokyo, Komaba 3-8-1, Meguro-ku, Tokyo 153-8902, Japan
| | - Akira Watanabe
- Genome/Epigenome Analysis Core Facility, Center for iPS Cell Research and Application, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
| | - Tomoatsu Kimura
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Toyama, 2630, Sugitani, Toyama 930-0194, Japan
| | - Noriyuki Tsumaki
- Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan
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100
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Karamchedu NP, Tofte JN, Waller KA, Zhang LX, Patel TK, Jay GD. Superficial zone cellularity is deficient in mice lacking lubricin: a stereoscopic analysis. Arthritis Res Ther 2016; 18:64. [PMID: 26975998 PMCID: PMC5477516 DOI: 10.1186/s13075-016-0967-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 03/04/2016] [Indexed: 01/09/2023] Open
Abstract
Background Lubricin, a mucinous glycoprotein secreted by synoviocytes and chondrocytes plays an important role in reducing the coefficient of friction in mammalian joints. Elevated cartilage surface friction is thought to cause chondrocyte loss; however, its quantification and methodological approaches have not been reported. We adapted a stereological method and incorporated vital cell staining to assess cellular loss in superficial and upper intermediate zones in lubricin deficient mouse cartilage. Methods The femoral condyle cartilage of the intact knees from lubricin wild type (Prg4+/+), heterozygote (Prg4+/-), and knockout (Prg4-/-) mice was imaged using fluorescein diacetate (FDA), propidium iodide (PI), and Hoechst staining, and confocal microscopy. Three dimensional reconstructions of confocal images to a depth of 14 μm were analyzed using Matlab to determine the volume fraction occupied by chondrocytes in cartilage of both medial and lateral femoral condyles. Living chondrocyte volume fraction was defined as FDA stained chondrocyte volume/total volume of superficial + upper intermediate zone. Living and dead (total) chondrocyte volume fraction was defined as FDA + PI stained chondrocyte volume/total volume of superficial + upper intermediate zone. MicroCT provided an orthogonal measure of cartilage thickness. Immunohistology for activated caspase-3 and TUNEL staining were performed to evaluate the presence of apoptotic chondrocytes in Prg4 mutant mice. Results Living chondrocyte volume fraction of the medial femoral condyle was significantly lower in Prg4-/- mice compared to Prg4+/+ (p = 0.002) and Prg4+/- (p = 0.002) littermates. There was no significant difference in medial condyle chondrocyte volume fraction between Prg4+/+ and Prg4+/- mice (p = 0.82). No significant differences were observed for the chondrocyte volume fraction for the lateral condyle (p > 0.26). Cartilage thickness increased in the medial condyle for Prg4-/- mice compared to Prg4+/+ (p = 0.02) and Prg4+/- (p = 0.03) littermates, and the lateral condyle for Prg4-/- mice compared to Prg4+/+ (p < 0.0001) and Prg4+/- (p < 0.0001) littermates, indicating that a multi-dimensional increase in cartilage volume did not artifactually lower the chondrocyte volume fraction in the medial condyle. Significantly higher number of caspase-3 positive cells were observed in the superficial and upper intermediate zone cartilage of the medial femoral condyle of Prg4-/- mice compared to Prg4+/+ (p = 0.01) and Prg4+/- (p = 0.04) littermates, and the lateral femoral condyle of Prg4-/- mice compared to Prg4+/+ (p = 0.02) and Prg4+/- (p = 0.02) littermates. There were no significant differences in TUNEL staining among different Prg4 genotypes in both condyles (p > 0.05 for all comparisons). Conclusions Increased Caspase-3 activation is observed in Prg4 deficient mice compared to Prg4 sufficient littermates. Absence of Prg4 induces loss of chondrocytes in the superficial and upper intermediate zone of mouse cartilage that is quantifiable by a novel image processing technique. Electronic supplementary material The online version of this article (doi:10.1186/s13075-016-0967-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Naga Padmini Karamchedu
- Department of Orthopedics, Rhode Island Hospital; Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Josef N Tofte
- Department of Orthopedics and Rehabilitation, University of Iowa Hospitals and Clinics, Iowa City, IA, USA
| | - Kimberly A Waller
- Department of Orthopedics, Rhode Island Hospital; Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Ling X Zhang
- Department of Emergency Medicine, Rhode Island Hospital, Providence, RI, 02903, USA
| | - Tarpit K Patel
- Department of Orthopedics, Rhode Island Hospital; Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Gregory D Jay
- Department of Emergency Medicine, Rhode Island Hospital, Providence, RI, 02903, USA. .,Department of Engineering, Brown University, Providence, RI, USA.
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