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KURT M, ÖNER AY, UÇAR M, ALADAĞ KURT S. The relationship between patellofemoral arthritis and fat tissue volume, body mass index and popliteal artery intima-media thickness through 3T knee MRI. Turk J Med Sci 2019; 49:844-853. [PMID: 31121997 PMCID: PMC7018204 DOI: 10.3906/sag-1811-166] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Background/aim Evaluating the relationship of patellar chondromalacia with obesity, infrapatellar fat pad (IFP) volume and popliteal artery intima-media thickness (IMT). Materials and methods A total of203 patients with different degree of patellar chondromalacia (103 male, 100 female) and 52 control subjects (19 male, 33 female) were included and grouped according to sex, age, body surface area (BSA), body mass index (BMI) and patellar chondromalacia classification. All measurements were completed with 3T magnetic resonance imaging (MRI). Articular cartilage and IFP volume were measured in saggital plane using double echo steady state (DESS) and DIXON sequences, respectively. Patellar cartilage damage was graded using modified outerbridge classification, and the relations among cartilage volume and BMI, BSA, IFP, IMT were statistically assessed. Results Popliteal artery IMT showed an independent association with the prevalence of cartilage defects and IFP volumes (P ˂ 0.001). There was an association between BMI and IFP volumes (P ˂ 0.001). However, no differences were observed between IFP volume and different chondromalacia groups. When IFP measurements were corrected using individual BMI and BSA values, a positive correlation was found between control and advanced chondromalacia groups (P ˂ 0.001). Conclusion This study demonstrates the relationship among obesity, IMT and chondromalacia and highlights this potential circle to develop effective treatments and inhibit the progression of chondromalacia.
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Affiliation(s)
- Mehmet KURT
- Department of Radiology, Van Lokman Hekim Private Hospital, VanTurkey
| | - Ali Yusuf ÖNER
- Department of Radiology, Faculty of Medicine, Gazi University, AnkaraTurkey
| | - Murat UÇAR
- Department of Radiology, Faculty of Medicine, Gazi University, AnkaraTurkey
| | - Seda ALADAĞ KURT
- Department of Radiology, Van Training and Research Hospital, VanTurkey
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52
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Mustonen AM, Käkelä R, Lehenkari P, Huhtakangas J, Turunen S, Joukainen A, Kääriäinen T, Paakkonen T, Kröger H, Nieminen P. Distinct fatty acid signatures in infrapatellar fat pad and synovial fluid of patients with osteoarthritis versus rheumatoid arthritis. Arthritis Res Ther 2019; 21:124. [PMID: 31118103 PMCID: PMC6532171 DOI: 10.1186/s13075-019-1914-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 05/09/2019] [Indexed: 02/07/2023] Open
Abstract
Background Infrapatellar fat pad (IFP) has recently emerged as a potential source of inflammation in knee arthropathies. It has been proposed to be one source of adipocytokines, fatty acids (FA), and FA-derived lipid mediators that could contribute to the pathophysiological processes in the knee joint. Alterations in synovial fluid (SF) lipid composition have been linked to both osteoarthritis (OA) and rheumatoid arthritis (RA). The aim of the present study was to compare the FA signatures in the IFP and SF of RA and OA patients. Methods Pairs of IFP and SF samples were collected from the same knees of RA (n = 10) and OA patients (n = 10) undergoing total joint replacement surgery. Control SF samples (n = 6) were harvested during diagnostic or therapeutic arthroscopic knee surgery unrelated to RA or OA. The FA composition in the total lipids of IFP and SF was determined by gas chromatography with flame ionization and mass spectrometric detection. Results Arthropathies resulted in a significant reduction in the SF proportions of n-6 polyunsaturated FA (PUFA), more pronouncedly in OA than in RA. OA was also characterized with reduced percentages of 22:6n-3 and lower product/precursor ratios of n-3 PUFA. The proportions of total monounsaturated FA increased in both RA and OA SF. Regarding IFP, RA patients had lower proportions of 20:4n-6, total n-6 PUFA, and 22:6n-3, as well as lower product/precursor ratios of n-3 PUFA compared to OA patients. The average chain length of SF FA decreased in both diagnoses and the double bond index in OA. Conclusions The observed complex alterations in the FA signatures could have both contributed to but also limited the inflammatory processes and cartilage destruction in the RA and OA knees.
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Affiliation(s)
- Anne-Mari Mustonen
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland. .,Department of Environmental and Biological Sciences, Faculty of Science and Forestry, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland.
| | - Reijo Käkelä
- Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, P.O. Box 65, FI-00014, Helsinki, Finland.,Helsinki University Lipidomics Unit (HiLIPID), Helsinki Institute for Life Science (HiLIFE), University of Helsinki, P.O. Box 65, FI-00014, Helsinki, Finland
| | - Petri Lehenkari
- Cancer and Translational Medicine Research Unit, Faculty of Medicine, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Department of Surgery and Medical Research Center, Oulu University Hospital (OYS), P.O. Box 21, FI-90029, Oulu, Finland
| | - Johanna Huhtakangas
- Cancer and Translational Medicine Research Unit, Faculty of Medicine, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Rheumatology Unit and Medical Research Center, Oulu University Hospital (OYS), P.O. Box 21, FI-90029, Oulu, Finland
| | - Sanna Turunen
- Cancer and Translational Medicine Research Unit, Faculty of Medicine, University of Oulu, P.O. Box 5000, FI-90014, Oulu, Finland.,Department of Surgery and Medical Research Center, Oulu University Hospital (OYS), P.O. Box 21, FI-90029, Oulu, Finland
| | - Antti Joukainen
- Department of Orthopaedics, Traumatology and Hand Surgery, Kuopio University Hospital (KYS), P.O. Box 100, FI-70029, Kuopio, Finland
| | - Tommi Kääriäinen
- Department of Orthopaedics, Traumatology and Hand Surgery, Kuopio University Hospital (KYS), P.O. Box 100, FI-70029, Kuopio, Finland
| | - Tommi Paakkonen
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - Heikki Kröger
- Department of Orthopaedics, Traumatology and Hand Surgery, Kuopio University Hospital (KYS), P.O. Box 100, FI-70029, Kuopio, Finland
| | - Petteri Nieminen
- Institute of Biomedicine, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland.,Department of Environmental and Biological Sciences, Faculty of Science and Forestry, University of Eastern Finland, P.O. Box 111, FI-80101, Joensuu, Finland
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53
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Han W, Aitken D, Zheng S, Wluka AE, Zhu Z, Blizzard L, Winzenberg T, Cicuttini F, Jones G, Ding C. Association Between Quantitatively Measured Infrapatellar Fat Pad High Signal‐Intensity Alteration and Magnetic Resonance Imaging–Assessed Progression of Knee Osteoarthritis. Arthritis Care Res (Hoboken) 2019; 71:638-646. [DOI: 10.1002/acr.23713] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Accepted: 07/17/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Weiyu Han
- University of TasmaniaHobart, Tasmania, Australia, and Zhujiang Hospital, Southern Medical University Guangzhou China
| | - Dawn Aitken
- University of Tasmania Hobart Tasmania Australia
| | - Shuang Zheng
- University of Tasmania Hobart Tasmania Australia
| | | | - Zhaohua Zhu
- University of Tasmania Hobart Tasmania Australia
| | | | | | | | - Graeme Jones
- University of Tasmania Hobart Tasmania Australia
| | - Changhai Ding
- University of TasmaniaHobart, Tasmania, and Monash University, Melbourne, Victoria, Australia, and Zhujiang Hospital, Southern Medical University Guangzhou China
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54
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Berenbaum F, Griffin TM, Liu-Bryan R. Review: Metabolic Regulation of Inflammation in Osteoarthritis. Arthritis Rheumatol 2019; 69:9-21. [PMID: 27564539 DOI: 10.1002/art.39842] [Citation(s) in RCA: 147] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 08/09/2016] [Indexed: 01/15/2023]
Affiliation(s)
- Francis Berenbaum
- Sorbonnes Universités, UPMC University Paris 06, INSERM, AP-HP Hôpital Saint-Antoine, Centre de Recherche Saint-Antoine, DHU i2B, Paris, France
| | - Timothy M Griffin
- Oklahoma Medical Research Foundation and University of Oklahoma Health Sciences Center, Oklahoma City
| | - Ru Liu-Bryan
- VA San Diego Healthcare System and University of California, San Diego
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55
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Masaki T, Takahashi K, Hashimoto S, Ikuta F, Watanabe A, Kiuchi S, Okuaki T, Mochizuki Y, Takai S. Volume change in infrapatellar fat pad is associated not with obesity but with cartilage degeneration. J Orthop Res 2019; 37:593-600. [PMID: 30537040 DOI: 10.1002/jor.24201] [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: 07/10/2018] [Accepted: 11/28/2018] [Indexed: 02/04/2023]
Abstract
Infrapatellar fat pad has been implicated in knee osteoarthritis. We examined whether infrapatellar fat pad volume is associated with quantitative cartilage changes using magnetic resonance imaging T1ρ mapping. Fifty-eight knees of knee pain patients (19 men, 39 women, mean age 57.0 [range 29-85] years) who were conservatively managed and had >1 T1ρ mapping images taken over time were evaluated. We used three slices from the medial femoral and tibial cartilage; areas showing T1ρ values <130 ms and >50 ms were designated as having cartilage degeneration. Cases were categorized into three groups: Improvement, No Change, and Deterioration. Fat-suppressed T2-weighted sagittal magnetic resonance images were used for measuring infrapatellar fat pad volume. Percent change in infrapatellar fat pad volume was -5.01 ± 5.66%, -2.06 ± 4.92%, and 0.05 ± 6.09% in the Improvement (n = 22), No Change (n = 22), and Deterioration (n = 14) groups, respectively, demonstrating significantly reduced infrapatellar fat pad volume in the Improvement group (p < 0.05). Multivariate regression analyses revealed that the percent change in infrapatellar fat pad volume significantly affected T1ρ change category independent of age, sex, follow-up period, baseline infrapatellar fat pad volume, and Kellgren-Lawrence grade. Infrapatellar fat pad volume and obesity or body weight change showed no correlation. Infrapatellar fat pad volume was reduced in patients with improved quantitative cartilage assessment on magnetic resonance imaging T1ρ mapping. This is the first study demonstrating associations between quantitative cartilage changes and infrapatellar fat pad morphological changes, suggesting a detrimental role of infrapatellar fat pad volume in articular cartilage degeneration. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res.
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Affiliation(s)
- Tadashi Masaki
- Department of Orthopaedic Surgery, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, 113-8603, Japan.,Department of Orthopaedic Surgery, University of Health and Welfare Hospital, 537-3 Iguchi, Nasu-shiobara, Tochigi, 329-2763, Japan
| | - Kenji Takahashi
- Department of Orthopaedic Surgery, University of Health and Welfare Hospital, 537-3 Iguchi, Nasu-shiobara, Tochigi, 329-2763, Japan.,AIC Yaesu Clinic, 2-1-18 Nihonbashi, Chuo-ku, Tokyo, 103-0027, Japan
| | - Sanshiro Hashimoto
- Minami-Shinjuku Orthopaedic Rehabilitation Clinic, 2-16-7 Yoyogi, Shibuya-ku, Tokyo, 151-0053, Japan
| | - Futoshi Ikuta
- Department of Orthopaedic Surgery, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, 113-8603, Japan
| | - Atsuya Watanabe
- Department of General Medical Services, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan
| | - Shinji Kiuchi
- AIC Yaesu Clinic, 2-1-18 Nihonbashi, Chuo-ku, Tokyo, 103-0027, Japan
| | - Tomoyuki Okuaki
- Philips Healthcare, MR Clinical Science, 2-13-37 Kounan, Minato-ku, Tokyo, 108-8507, Japan
| | - Yusuke Mochizuki
- Department of Orthopaedic Surgery, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, 113-8603, Japan
| | - Shinro Takai
- Department of Orthopaedic Surgery, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-ku, Tokyo, 113-8603, Japan
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Belluzzi E, Olivotto E, Toso G, Cigolotti A, Pozzuoli A, Biz C, Trisolino G, Ruggieri P, Grigolo B, Ramonda R, Favero M. Conditioned media from human osteoarthritic synovium induces inflammation in a synoviocyte cell line. Connect Tissue Res 2019; 60:136-145. [PMID: 29695173 DOI: 10.1080/03008207.2018.1470167] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
AIM Osteoarthritis (OA) is a whole joint pathology involving cartilage, synovial membrane, meniscus, subchondral bone, and infrapatellar fat pad (IFP). Synovitis has been widely documented in OA suggesting its important role in pathogenesis. The aim of this study was to investigate the role of different joint tissues in promoting synovitis. MATERIALS AND METHODS Conditioned media (CM) from cartilage, synovial membrane, meniscus, and IFP were generated from tissues of five patients undergoing total knee replacement and used to stimulate a human fibroblast-like synoviocytes cell line (K4IM). Cytokines, chemokines, and metalloproteases release was analyzed in all CM by Bio-Plex Assay and sulfated glycosaminoglycan (GAG) content by dimethylmethylene blue assay. Gene expression of several markers was evaluated by real-time PCR in K4IM cells stimulated with the CM obtained from joint tissues. RESULTS CM from all tissues produced high levels of IL-6, IL-8, and CCL2. CCL21, MMP-3, and -13 levels were detected in all CM except IFP. MMP-10 was present only in CM of cartilage and synovial tissues. IL-1β, IL-15, TNF-α, CCL5, and CCL19 were undetectable. However, only K4IM cells stimulated by the CM from OA synovium showed an increase of IL-6, CXCL-8, CCL21, MMP10, and IL-1β expression. CONCLUSION Our study showed that K4IM might be a suitable in vitro model for evaluating different cellular pathways in OA studies. Importantly, we demonstrated that in OA, all joint tissues might be involved in the progression of synovitis with a predominant role of synovial membrane itself compared to the other joint tissues.
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Affiliation(s)
- Elisa Belluzzi
- a Rheumatology Unit, Department of Medicine-DIMED , University Hospital of Padova , Padova , Italy.,b Musculoskeletal Pathology and Oncology Laboratory, Department of Orthopaedics and Orthopaedic Oncology , University of Padova , Padova , Italy
| | - Eleonora Olivotto
- c RAMSES Laboratory-RIT Department , IRCCS Istituto Ortopedico Rizzoli , Bologna , Italy
| | - Giovanna Toso
- b Musculoskeletal Pathology and Oncology Laboratory, Department of Orthopaedics and Orthopaedic Oncology , University of Padova , Padova , Italy
| | - Augusto Cigolotti
- d Department of Orthopaedics and Orthopaedic Oncology , University of Padova , Padova , Italy
| | - Assunta Pozzuoli
- b Musculoskeletal Pathology and Oncology Laboratory, Department of Orthopaedics and Orthopaedic Oncology , University of Padova , Padova , Italy
| | - Carlo Biz
- d Department of Orthopaedics and Orthopaedic Oncology , University of Padova , Padova , Italy
| | - Giovanni Trisolino
- e Reconstructive Hip and Knee Joint Surgery , IRCCS Istituto Ortopedico Rizzoli , Bologna , Italy.,f Pediatric orthopedic and Traumatology , IRCCS Istituto Ortopedico Rizzoli , Bologna , Italy
| | - Pietro Ruggieri
- d Department of Orthopaedics and Orthopaedic Oncology , University of Padova , Padova , Italy
| | - Brunella Grigolo
- c RAMSES Laboratory-RIT Department , IRCCS Istituto Ortopedico Rizzoli , Bologna , Italy.,g Laboratory of Immunorheumatology and Tissue Regeneration , IRCCS Istituto Ortopedico Rizzoli , Bologna , Italy
| | - Roberta Ramonda
- a Rheumatology Unit, Department of Medicine-DIMED , University Hospital of Padova , Padova , Italy
| | - Marta Favero
- a Rheumatology Unit, Department of Medicine-DIMED , University Hospital of Padova , Padova , Italy.,c RAMSES Laboratory-RIT Department , IRCCS Istituto Ortopedico Rizzoli , Bologna , Italy
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Tu C, He J, Wu B, Wang W, Li Z. An extensive review regarding the adipokines in the pathogenesis and progression of osteoarthritis. Cytokine 2019; 113:1-12. [DOI: 10.1016/j.cyto.2018.06.019] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 05/12/2018] [Accepted: 06/12/2018] [Indexed: 12/13/2022]
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Kitagawa T, Nakase J, Takata Y, Shimozaki K, Asai K, Tsuchiya H. Histopathological study of the infrapatellar fat pad in the rat model of patellar tendinopathy: A basic study. Knee 2019; 26:14-19. [PMID: 30150068 DOI: 10.1016/j.knee.2018.07.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 07/05/2018] [Accepted: 07/20/2018] [Indexed: 02/02/2023]
Abstract
BACKGROUND Patellar tendinopathy is difficult to successfully treat. This study aimed to characterize the pathological changes of the infrapatellar fat pad (IPFP) in patellar tendinopathy (PT), and to investigate the influence of PT on the development of fibrotic changes in the IPFP. METHODS Forty male Wistar rats were randomly divided into PT (n = 20) and control groups (n = 20). Bacterial collagenase I (patellar tendinopathy group) or saline (control) was injected, intratendinous, into the patellar tendon. Rats were sacrificed at week 12. The whole knee joint was sagittally sectioned and stained with hematoxylin-eosin and Masson's trichrome. The IPFP samples were graded according to cellularity, fibrosis, and vascularity. The whole IPFP and blue-stained area was measured. Mann-Whitney U tests were used to compare the between-group differences of each score and quantitative value. RESULTS Scores for cellularity were three (2-3) and 0 (0-1) in the PT and control groups, respectively (P < 0.01). Mean scores for fibrosis were two (1-3) and 0 (0-1) in the PT and control groups, respectively (P < 0.01). Mean scores for vascularity were two (2-3) and one (1-1) in the PT and control groups, respectively (P < 0.01). There was a significant difference in the total score between the PT and control groups (seven (5-8) and two (1-3), respectively) (P < 0.01). Average percentages of the fibrous area of the IPFP were 38.2 ± 26.5% and 11.2 ± 3.9% in the patellar tendinopathy and control groups, respectively (P < 0.01). CONCLUSION The IPFP in the patellar tendinopathy group showed greater cellularity, fibrosis, and vascularity than the control group.
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Affiliation(s)
- Takashi Kitagawa
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan; Department of Rehabilitation, Japanese Red Cross Kanazawa Hospital, Kanazawa, Japan
| | - Junsuke Nakase
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan.
| | - Yasushi Takata
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Kengo Shimozaki
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Kazuki Asai
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
| | - Hiroyuki Tsuchiya
- Department of Orthopaedic Surgery, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
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Sun Y, Chen S, Pei M. Comparative advantages of infrapatellar fat pad: an emerging stem cell source for regenerative medicine. Rheumatology (Oxford) 2018; 57:2072-2086. [PMID: 29373763 PMCID: PMC6256334 DOI: 10.1093/rheumatology/kex487] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Revised: 11/13/2017] [Indexed: 12/15/2022] Open
Abstract
Growing evidence indicates that infrapatellar fat pad (IPFP)-derived stem cells (IPFSCs) exert robust proliferation capacities and multilineage differentiation potentials. However, few papers summarize the advantages that the IPFP and IPFSCs have in regenerative medicine. In this review we delineate the development and anatomy of the IPFP by comparing it with an adjacent fibrous tissue, synovium, and a more frequently harvested fat depot, subcutaneous adipose tissue. Furthermore, we explore the similarities and differences of stem cells from these three tissues in terms of IPFSCs, synovium-derived stem cells and subcutaneous adipose tissue-derived stem cells in proliferation capacity and tri-lineage differentiation potentials, including chondrogenesis, osteogenesis and adipogenesis. Finally, we highlight the advantages of IPFSCs in regenerative medicine, such as the abundant accessibility and the ability to resist inflammation and senescence, two hurdles for cell-based tissue regeneration. Considering the comparative advantages of IPFSCs, the IPFP can serve as an excellent stem cell source for regenerative medicine, particularly for cartilage regeneration.
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Affiliation(s)
- Yu Sun
- Department of Orthopaedics, Orthopaedics Institute, Subei People’s Hospital of Jiangsu Province, Yangzhou, Jiangsu, China
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV, USA
| | - Song Chen
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV, USA
- Department of Orthopaedics, Chengdu Military General Hospital, Chengdu, Sichuan, China
| | - Ming Pei
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV, USA
- Exercise Physiology, West Virginia University, Morgantown, WV, USA
- Mary Babb Randolph Cancer Center, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, WV, USA
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Aikawa J, Uchida K, Takano S, Inoue G, Iwase D, Miyagi M, Mukai M, Shoji S, Sekiguchi H, Takaso M. Regulation of calcitonin gene-related peptide expression through the COX-2/mPGES-1/PGE2 pathway in the infrapatellar fat pad in knee osteoarthritis. Lipids Health Dis 2018; 17:215. [PMID: 30205824 PMCID: PMC6134514 DOI: 10.1186/s12944-018-0864-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 09/04/2018] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND The infrapatellar fat pad (IFP) is implicated in knee osteoarthritis (KOA). Calcitonin gene-related peptide (CGRP), a vasoactive neuropeptide expressed in joint tissues and synovial tissues (ST), was recently found to be associated with KOA progression and pain. CGRP is expressed in the IFPs of human KOA patients; however, its regulation has not been elucidated. METHODS IFPs and STs were harvested from 138 KOA patients during total knee replacement (TKR) and analyzed for CGRP, cycloxygenase-2 (COX-2), and microsomal prostaglandin E synthase-1 (mPGES-1) expression using real-time polymerase chain reaction (PCR). To investigate CGRP regulation by prostaglandin E2 (PGE2), adipocytes (Ad) and the stromal vascular fraction (SVF) were harvested from IFPs using collagenase. Synovial cells (SYC) were also harvested from ST and stimulated with vehicle (serum-free culture medium), PGE2, or CGRP. RESULTS CGRP, COX-2, and mPGES-1 expression levels were significantly higher in IFPs than STs. PGE2 stimulation increased CGRP expression in Ad, the SVF, and SYC; however, CGRP expression was significantly higher in PGE2-stimulated SVF than PGE2-stimulated SYC. CGRP stimulation had no effect on COX-2 or mPGES-1 expression. CONCLUSIONS CGRP expression in the IFP of KOA patients is regulated by the COX-2/mPGES-1/PGE2 pathway.
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Affiliation(s)
- Jun Aikawa
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Kentaro Uchida
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan.
| | - Shotaro Takano
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Gen Inoue
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Dai Iwase
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Masayuki Miyagi
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Manabu Mukai
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Shintaro Shoji
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Hiroyuki Sekiguchi
- Shonan University of Medical Sciences Research Institute, Nishikubo 500, Chigasaki City, Kanagawa, 253-0083, Japan
| | - Masashi Takaso
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
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Lin J, Li X, Qi W, Yan Y, Chen K, Xue X, Xu X, Feng Z, Pan X. Isofraxidin inhibits interleukin-1β induced inflammatory response in human osteoarthritis chondrocytes. Int Immunopharmacol 2018; 64:238-245. [PMID: 30205322 DOI: 10.1016/j.intimp.2018.09.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 09/01/2018] [Accepted: 09/05/2018] [Indexed: 12/25/2022]
Abstract
Osteoarthritis (OA) is the most prevalent disease of knee especially in the aged people. Isofraxidin (IF) is a coumarin compound refined from traditional Chinese medicines with potential anti-inflammatory ability. This study aimed to evaluate protective anti-inflammatory effects of IF in human OA chondrocytes. The chondrocytes were isolated from OA patients and pretreated with IF before treatment with IL-1β. The results showed that IF blocked IL-1β-stimulated production of NO and PGE2. In addition, IF inhibited the expression of COX-2, iNOs, MMP-1, MMP-3, MMP-13, ADAMTS-4 and ADAMTS-5, and increased the levels of aggrecan and collagen-II. Mechanistically, IF suppressed IL-1β-induced IκB-α degradation and NF-κB activation. In conclusion, our results demonstrate that IF inhibits inflammation in OA via the regulation of NF-κB signaling, and suggest that IF may be a potential therapeutic agent for OA.
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Affiliation(s)
- Jian Lin
- Department of Orthopaedic, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China; Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou 325000, China; The Second School of Medicine, Wenzhou Medical University, China
| | - Xiaobin Li
- Department of Orthopaedic, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China; Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou 325000, China; The Second School of Medicine, Wenzhou Medical University, China
| | - Weihui Qi
- Department of Orthopaedic, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China; Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou 325000, China; The Second School of Medicine, Wenzhou Medical University, China
| | - Yingzhao Yan
- Department of Orthopaedic, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China; Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou 325000, China; The Second School of Medicine, Wenzhou Medical University, China
| | - Kai Chen
- Department of Orthopaedic, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China; Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou 325000, China; The Second School of Medicine, Wenzhou Medical University, China
| | - Xinghe Xue
- Department of Orthopaedic, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China; Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou 325000, China; The Second School of Medicine, Wenzhou Medical University, China
| | - Xinxian Xu
- Department of Orthopaedic, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China; Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou 325000, China; The Second School of Medicine, Wenzhou Medical University, China
| | - Zhenhua Feng
- Department of Orthopaedic, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China; Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou 325000, China; The Second School of Medicine, Wenzhou Medical University, China
| | - Xiaoyun Pan
- Department of Orthopaedic, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China; Key Laboratory of Orthopaedics of Zhejiang Province, Wenzhou 325000, China; The Second School of Medicine, Wenzhou Medical University, China.
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Mukai M, Uchida K, Takano S, Iwase D, Aikawa J, Inoue G, Miyagi M, Takaso M. Down-regulation of microsomal prostaglandin E2 synthase-1 in the infrapatellar fat pad of osteoarthritis patients with hypercholesterolemia. Lipids Health Dis 2018; 17:137. [PMID: 29898737 PMCID: PMC6001124 DOI: 10.1186/s12944-018-0792-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 05/29/2018] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND While epidemiological studies have reported a potential role for hypercholesterolemia (HCE) in osteoarthritis (OA), the association between HCE and OA has yet to be clarified. Adipose tissue is a primary locus for cholesterol metabolism and the presence of HCE reportedly causes adipose dysfunction. The knee joint contains adipose tissue in the form of the infrapatellar fat pad (IPFP), which has been shown to contribute to the pathophysiology of OA in the knee via the secretion of inflammatory mediators. However, the effect of HCE on the expression of inflammatory mediators in the IPFP has not been elucidated. METHODS IPFP and synovial tissues (ST) were extracted from 145 subjects with OA, diagnosed by radiography, during total knee arthroplasty. OA patients were divided into three groups according to their total cholesterol levels (Desirable, Borderline high and High) based on the National Cholesterol Education Program Adult Treatment Panel III (NCEPATP III). We examined the expression of cyclooxygenase-2 (COX-2), microsomal prostaglandin E synthase-1 (mPGES1), tumor necrosis factor (TNF)-α, interleukin (IL)-1β, and IL-6 using real-time polymerase chain reaction and compared results among the Desirable, Borderline high and High groups. RESULTS The mRNA expression levels of TNF-α, IL-1β, and IL-6 in ST and the IPFP were not significantly different among the three groups. COX-2 mRNA expression in ST and IPFP was likewise not different among the three groups. While the mRNA expression level of mPGES1 in ST was also not significantly different, that of mPGES1 in the IPFP was significantly lower in the High group than in the Desirable and Borderline high groups. CONCLUSION mRNA levels of mPGES-1 are reduced in the IPFP of knee OA patients with HCE. Additional studies are need to clarify the effect of mPGES-1 down-regulation in OA pathology.
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Affiliation(s)
- Manabu Mukai
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Kentaro Uchida
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan.
| | - Shotaro Takano
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Dai Iwase
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Jun Aikawa
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Gen Inoue
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Masayuki Miyagi
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
| | - Masashi Takaso
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara City, Kanagawa, 252-0374, Japan
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Inflammatory pattern of the infrapatellar fat pad in dogs with canine cruciate ligament disease. BMC Vet Res 2018; 14:161. [PMID: 29769086 PMCID: PMC5956839 DOI: 10.1186/s12917-018-1488-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 05/07/2018] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Despite the importance of inflammation during the pathogenesis of cranial cruciate ligament disease (CCLD) in dogs and despite the latest knowledge suggesting a significant role of adipose tissue in osteoarthritis, the infrapatellar fat pad (IFP) was up to now mostly disregarded in veterinary investigations. In the present study, the inflammatory activity of the IFP, the main adipose structure within the stifle joint, was thoroughly investigated to evaluate its potential impact in the pathogenesis of this common disease of our canine companions. Samples of IFP, subcutaneous adipose tissue (ScAT) of the thigh and synovial fluid in both diseased (n = 36) and healthy control (n = 23) dogs were tested for their immune cell composition but also for interleukins (IL-1β, IL-6, IL-8, IL-10), degradative enzymes (MMP-1, MMP-3, MMP-13, TIMP-2, iNOS) and adipokines (leptin and adiponectin). Characterization of the immune cell composition was ascertained by fluorescence activated cell sorting. Gene expression and protein release of the inflammatory markers was determined by real RT-qPCR and ELISA. RESULTS IFPs of dogs with CCLD had a significantly increased immune cell count with T cells (CD3) as the most abundant immune cells. T cells and macrophages (CD14) were significantly increased compared to healthy controls or corresponding ScAT. In addition, IFPs of dogs with CCLD demonstrated a significant increase on gene as well as protein level of multiple inflammatory indicators (IL-1β, IL-6, MMP-1, MMP-13) compared to the other tissues. TNFα was only increased on gene expression. Adipokine analysis showed higher secretion of adiponectin and lower leptin secretion in IFP from dogs with CCLD than from controls. In the synovial fluid from dogs with CCLD concentrations of IL-1β, MMP-1, MMP-13 as well as leptin were significantly increased compared to the synovial fluid from healthy control dogs. CONCLUSIONS The present study indicates that the IFP is a potential contributory factor in the pathogenesis of CCLD, due to its inflammatory phenotype and the proximity within the stifle joint. To determine the extent of this possible inter-relationship, further studies need to be undertaken.
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Macchi V, Stocco E, Stecco C, Belluzzi E, Favero M, Porzionato A, De Caro R. The infrapatellar fat pad and the synovial membrane: an anatomo-functional unit. J Anat 2018; 233:146-154. [PMID: 29761471 PMCID: PMC6036933 DOI: 10.1111/joa.12820] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/09/2018] [Indexed: 01/15/2023] Open
Abstract
The infrapatellar pad, a fibro-adipose tissue with peculiar microscopic and mechanical features, is gaining wide attention in the field of rheumatological research. The purpose of this descriptive review is to summarize the most recent published evidence on the anatomic, physiologic and biomechanical inter-relationship between the infrapatellar fat pad and the knee synovial membrane. As an extrasynovial tissue, the infrapatellar fat pad does not directly interact with the articular cartilage; based on its location in close contact with the synovial membrane, and due to the metabolic properties of adipose tissue, it may influence the behavior of the synovial membrane. In fact, considering evidence of macroscopic and microscopic anatomy, the infrapatellar fat pad is the site of insertion of the infrapatellar and medial synovial plicae. Also biochemically, there is much evidence highlighting the interaction among these two structures; in the case of inflammation, the mutual interplay is ascribable to the release of pro-inflammatory mediators stimulating the proliferation of inflammatory cells and promoting tissue modifications in both. All these assumptions could support the emerging idea that the infrapatellar fat pad and the synovial membrane may be considered a morpho-functional unit.
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Affiliation(s)
- Veronica Macchi
- Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padova, Italy
| | - Elena Stocco
- Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padova, Italy
| | - Carla Stecco
- Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padova, Italy
| | - Elisa Belluzzi
- Musculoskeletal Pathology and Oncology Laboratory, Department of Orthopaedics and Orthopaedics Oncology, University of Padova, Padova, Italy.,Rheumatology Unit, Department of Medicine-DIMED, University Hospital of Padova, Padova, Italy
| | - Marta Favero
- Rheumatology Unit, Department of Medicine-DIMED, University Hospital of Padova, Padova, Italy
| | - Andrea Porzionato
- Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padova, Italy
| | - Raffaele De Caro
- Department of Neurosciences, Institute of Human Anatomy, University of Padova, Padova, Italy
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Celecoxib-mediated reduction of prostanoid release in Hoffa's fat pad from donors with cartilage pathology results in an attenuated inflammatory phenotype. Osteoarthritis Cartilage 2018; 26:697-706. [PMID: 29426013 DOI: 10.1016/j.joca.2018.01.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 01/07/2018] [Accepted: 01/30/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The Hoffa's fat pad (HFP) is an intra-articular adipose tissue which is situated under and behind the patella. It contains immune cells next to adipocytes and secretes inflammatory factors during osteoarthritis (OA). In this study, we compared the release profile of prostanoids, which are involved in inflammation, of HFP from OA patients vs patients with a focal cartilage defect (CD) without evidence for OA on MRI and investigated the prostanoid modulatory anti-inflammatory action of celecoxib on HFP. DESIGN Prostanoid release was analyzed in conditioned medium of HFP explant cultures from 17 osteoarthritic patients and 12 CD patients, in the presence or absence of celecoxib. Furthermore, gene expression of COX enzymes and expression of genes indicative of a pro-inflammatory or anti-inflammatory phenotype of HFP was analyzed. RESULTS Prostanoid release by HFP from knee OA patients clustered in two subgroups with high and low prostanoid producers. HFP from high prostanoid producers released higher amounts of PGE2, PGF2α and PGD2 compared to HFP from CD patients. PGE2 release by OA HFP was positively associated with expression of genes known to be expressed by M1 macrophages, indicating a role for macrophages. Celecoxib modulated prostanoid release by HFP, and also modulated the inflammation ratio towards a more favorable anti-inflammatory M2 phenotype, most effectively in patients with higher prostanoid release profiles. CONCLUSION In knee OA patients with inflamed HFP's, celecoxib may exert positive effects in the knee joint via decreasing the release of prostanoids produced by the HFP and by favorably modulating the anti-inflammatory marker expression in HFP.
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Plumbagin Prevents IL-1β-Induced Inflammatory Response in Human Osteoarthritis Chondrocytes and Prevents the Progression of Osteoarthritis in Mice. Inflammation 2018; 40:849-860. [PMID: 28168658 DOI: 10.1007/s10753-017-0530-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Inflammation and inflammatory cytokines have been reported to play vital roles in the development of osteoarthritis (OA). Plumbagin, a quinonoid compound extracted from the roots of medicinal herbs of the Plumbago genus, has been reported to have anti-inflammatory effects. However, the anti-inflammatory effects of plumbagin on OA have not been reported. This study aimed to assess the effects of plumbagin on human OA chondrocytes and in a mouse model of OA induced by destabilization of the medial meniscus (DMM). In vitro, human OA chondrocytes were pretreated with plumbagin (2, 5, 10 μM) for 2 h and subsequently stimulated with IL-1β for 24 h. Production of NO, PGE2, MMP-1, MMP-3, and MMP-13 was evaluated by the Griess reagent and ELISAs. The messenger RNA (mRNA) expression of COX-2, iNOS, MMP-1, MMP-3, MMP-13, aggrecan, and collagen-II was measured by real-time PCR. The protein expression of COX-2, iNOS, p65, p-p65, IκBα, and p-IκBα was detected by Western blot. The protein expression of collagen-II was evaluated by immunofluorescence. In vivo, the severity of OA was determined by histological analysis. We found that plumbagin significantly inhibited the IL-1β-induced production of NO and PGE2; expression of COX-2, iNOS, MMP-1, MMP-3, and MMP-13; and degradation of aggrecan and collagen-II. Furthermore, plumbagin dramatically suppressed IL-1β-stimulated NF-κB activation. In vivo, treatment of plumbagin not only prevented the destruction of cartilage and the thickening of subchondral bone but also relieved synovitis in mice OA models. Taken together, these results suggest that plumbagin may be a potential agent in the treatment of OA.
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Feng Z, Li X, Lin J, Zheng W, Hu Z, Xuan J, Ni W, Pan X. Oleuropein inhibits the IL-1β-induced expression of inflammatory mediators by suppressing the activation of NF-κB and MAPKs in human osteoarthritis chondrocytes. Food Funct 2018; 8:3737-3744. [PMID: 28952621 DOI: 10.1039/c7fo00823f] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Osteoarthritis (OA) is the most common form of joint disease and is widespread in the elderly population and is characterized by erosion of articular cartilage, subchondral bone sclerosis and synovitis. Oleuropein (OL), a secoiridoid, is considered as the most prevalent phenolic component in olive leaves and seeds, pulp and peel of unripe olives and has been shown to have potent anti-inflammatory effects. However, its effects on OA have not been clearly elucidated. This study aimed to assess the effect of OL on human OA chondrocytes. Human OA chondrocytes were pretreated with OL (10, 50 and 100 μM) for 2 h and subsequently stimulated with IL-1β for 24 h. The production of NO, PGE2, MMP-1, MMP-13, and ADAMTS-5 was evaluated by the Griess reaction and ELISA assays. The messenger RNA (mRNA) expression of COX-2, iNOS, MMP-1, MMP13, ADAMTS-5, aggrecan, and collagen-II was measured by using real-time PCR. The protein expressions of COX-2, iNOS, p65, IκB-α, JNK, p-JNK, ERK, p-ERK, p38, and p-p38 were tested by using western blot. We found that OL significantly inhibited the IL-1β-induced production of NO and PGE2; expression of COX-2, iNOS, MMP-1, MMP-13, and ADAMTS-5; and degradation of aggrecan and collagen-II. Furthermore, OL dramatically suppressed IL-1β-stimulated NF-κB and MAPK activation. Immunofluorescence staining demonstrated that OL could suppress IL-1β-induced phosphorylation of p65 nuclear translocation. These results indicate that the therapeutic effect of OL on OA is accomplished through the inhibition of both NF-κB and MAPK signaling pathways. Altogether, our findings provide the evidence to develop OL as a potential therapeutic agent for patients with OA.
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Affiliation(s)
- Zhenhua Feng
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China.
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Tsai PW, Lee YH, Chen LG, Lee CJ, Wang CC. In Vitro and In Vivo Anti-Osteoarthritis Effects of 2,3,5,4'-Tetrahydroxystilbene-2-O-β-d-Glucoside from Polygonum Multiflorum. Molecules 2018; 23:molecules23030571. [PMID: 29510478 PMCID: PMC6017566 DOI: 10.3390/molecules23030571] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 02/14/2018] [Accepted: 02/22/2018] [Indexed: 11/16/2022] Open
Abstract
Polygonum multiflorum Thunb. is a traditional herbal medicine that is rich in polyphenols. The major compound, 2,3,5,4'-tetrahydroxystilbene-2-O-β-d-glucoside (THSG) has many pharmacological activities, such as antioxidative and free radical-scavenging properties, and the abilities to reduce hyperlipidemia, prevent lipid peroxidation, and protect the cardiovascular system. In this study, the anti-osteoarthritis (OA) effects of THSG were explored using in vitro and in vivo models. THSG inhibited nitric oxide (NO) and prostaglandin E₂ (PGE₂) production and inducible NO synthase (iNOS) and cyclooxygenase-2 expressions by lipopolysaccharide-stimulated RAW 264.7 cells. On the other hand, THSG inhibited PGE₂ production and iNOS and matrix metalloproteinase-13 expressions by interleukin-1β-stimulated primary rat chondrocytes. Through a mono-iodoacetate-induced rat OA model assay, THSG reduced paw edema and improved the weight-bearing distribution. Therefore, THSG has anti-inflammatory activity and could be applied as a lead compound for the development as an OA drug.
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Affiliation(s)
- Po-Wei Tsai
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan.
- Department of Medical Sciences Industry, College of Health Sciences, Chang Jung Christian University, Tainan 71101, Taiwan.
- Innovative Research Center of Medicine, Chang Jung Christian University, Tainan 71101, Taiwan.
| | - Yi-Hui Lee
- Department of Traditional Chinese Medicine, Wan Fang Hospital, Taipei 11696, Taiwan.
| | - Lih-Geeng Chen
- Department of Microbiology, Immunology and Biopharmaceuticals, College of Life Sciences, National Chiayi University, Chiayi 60004, Taiwan.
| | - Chia-Jung Lee
- PhD Program for Clinical Drug Discovery of Chinese Herbal Medicine, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan.
- Graduate Institute of Pharmacognosy Science, School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan.
| | - Ching-Chiung Wang
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan.
- PhD Program for Clinical Drug Discovery of Chinese Herbal Medicine, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan.
- Graduate Institute of Pharmacognosy Science, School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan.
- Orthopedics Research Center, Taipei Medical University Hospital, Taipei 11031, Taiwan.
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Tang S, Tang Q, Jin J, Zheng G, Xu J, Huang W, Li X, Shang P, Liu H. Polydatin inhibits the IL-1β-induced inflammatory response in human osteoarthritic chondrocytes by activating the Nrf2 signaling pathway and ameliorates murine osteoarthritis. Food Funct 2018; 9:1701-1712. [PMID: 29484338 DOI: 10.1039/c7fo01555k] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Osteoarthritis (OA), which is characterized by progressive degradation of the articular cartilage, is the most prevalent form of human arthritis. Accumulating evidence has shown that polydatin (PD) exerts special biological functions in a variety of diseases. However, whether it protects against OA development has remained unknown. Here, we investigated the anti-inflammatory and chondroprotective effects of PD on interleukin (IL)-1β-induced human osteoarthritic chondrocytes and in the surgical destabilization of medial meniscus mouse (DMM) OA models. In vitro, PD treatment completely suppressed the over-production of pro-inflammatory mediators, including prostaglandin E2 (PGE2), tumor necrosis factor-α (TNF-α), nitric oxide (NO), cyclooxygenase-2 (COX-2), inducible nitric oxide synthase (iNOS), and IL-6 in IL-1β-induced human OA chondrocytes. Moreover, PD exerted a suppressive effect on the expression of matrix-degrading proteases, including matrix metalloproteinase 13 (MMP13) and thrombospondin motifs 5 (ADAMTS-5), which leads to the degradation of the extracellular matrix (ECM). Meanwhile, specific inhibition of the nuclear factor (erythroid-derived 2)-like 2 (Nrf2) level by short-interfering RNA (siRNA) strongly reversed the anti-inflammatory and chondroprotective effects of PD in human OA chondrocytes. The protective effects of PD were also observed in vivo. In conclusion, our studies demonstrate that PD holds novel therapeutic potential for the development of OA.
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Affiliation(s)
- Shangkun Tang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi road, 325027 Wenzhou, China. and Department of Clinical Medicine, The Second School of Medicine, Wenzhou Medical University, China
| | - Qian Tang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi road, 325027 Wenzhou, China.
| | - Jialei Jin
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi road, 325027 Wenzhou, China. and Department of Clinical Medicine, The Second School of Medicine, Wenzhou Medical University, China
| | - Gang Zheng
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi road, 325027 Wenzhou, China.
| | - Jianchen Xu
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi road, 325027 Wenzhou, China. and Department of Clinical Medicine, The Second School of Medicine, Wenzhou Medical University, China
| | - Wu Huang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi road, 325027 Wenzhou, China.
| | - Xiaobin Li
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi road, 325027 Wenzhou, China.
| | - Ping Shang
- Department of Rehabilitation, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi road, 325027 Wenzhou, China.
| | - Haixiao Liu
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi road, 325027 Wenzhou, China.
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Urban H, Little CB. The role of fat and inflammation in the pathogenesis and management of osteoarthritis. Rheumatology (Oxford) 2018; 57:iv10-iv21. [DOI: 10.1093/rheumatology/kex399] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Indexed: 12/25/2022] Open
Affiliation(s)
- Hema Urban
- Institute of Bone and Joint Research, Sydney, New South Wales, Australia
- Raymond Purves Bone and Joint Research Labs, Kolling Institute, Northern Sydney Local Health District, University of Sydney at Royal North Shore Hospital, St. Leonards, Sydney, New South Wales, Australia
- Rheumatology Department, Royal North Shore Hospital, Kolling Institute, University of Sydney, Sydney, New South Wales, Australia
| | - Christopher B Little
- Institute of Bone and Joint Research, Sydney, New South Wales, Australia
- Raymond Purves Bone and Joint Research Labs, Kolling Institute, Northern Sydney Local Health District, University of Sydney at Royal North Shore Hospital, St. Leonards, Sydney, New South Wales, Australia
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Hu ZC, Xie ZJ, Tang Q, Li XB, Fu X, Feng ZH, Xuan JW, Ni WF, Wu AM. Hydroxysafflor yellow A (HSYA) targets the NF-κB and MAPK pathways and ameliorates the development of osteoarthritis. Food Funct 2018; 9:4443-4456. [PMID: 30070297 DOI: 10.1039/c8fo00732b] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The inflammatory environment has been demonstrated to be strongly associated with the progression of osteoarthritis (OA).
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Affiliation(s)
- Zhi-Chao Hu
- Department of Orthopaedics
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
- Wenzhou
- China
- The Second School of Medicine
| | - Zhong-Jie Xie
- Department of Orthopaedics
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
- Wenzhou
- China
- The Second School of Medicine
| | - Qian Tang
- Department of Orthopaedics
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
- Wenzhou
- China
- The Second School of Medicine
| | - Xiao-Bin Li
- Department of Orthopaedics
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
- Wenzhou
- China
- The Second School of Medicine
| | - Xin Fu
- Department of Orthopaedics
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
- Wenzhou
- China
- The Second School of Medicine
| | - Zhen-Hua Feng
- Department of Orthopaedics
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
- Wenzhou
- China
- The Second School of Medicine
| | - Jiang-Wei Xuan
- Department of Orthopaedics
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
- Wenzhou
- China
- The Second School of Medicine
| | - Wen-Fei Ni
- Department of Orthopaedics
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
- Wenzhou
- China
- The Second School of Medicine
| | - Ai-Min Wu
- Department of Orthopaedics
- The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University
- Wenzhou
- China
- The Second School of Medicine
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Zheng G, Zhan Y, Tang Q, Chen T, Zheng F, Wang H, Wang J, Wu D, Li X, Zhou Y, Wang X, Wu Y, Zhou Y, Xu H, Tian N, Zhang X. Monascin inhibits IL-1β induced catabolism in mouse chondrocytes and ameliorates murine osteoarthritis. Food Funct 2018; 9:1454-1464. [PMID: 29473075 DOI: 10.1039/c7fo01892d] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Osteoarthritis (OA) is an age-related degenerative disease and is the fourth major cause of disability, but there are no effective therapies because of its complex pathology and the side effects of the drugs.
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Bravo B, Argüello JM, Gortazar AR, Forriol F, Vaquero J. Modulation of Gene Expression in Infrapatellar Fat Pad-Derived Mesenchymal Stem Cells in Osteoarthritis. Cartilage 2018; 9:55-62. [PMID: 29156945 PMCID: PMC5724676 DOI: 10.1177/1947603516686144] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Aim In the osteoarthritis (OA) disease, all structures of the joint are involved. The infrapatellar Hoffa fat pad is rich in macrophages and granulocytes, which also represents a source of adipose mesenchymal progenitor cells (ASC) cells. In our study, we analyze how OA affects the ability of ASC-derived from Hoffa's fat pad to differentiate into chondrocytes. Material and methodology We took knee Hoffa's pad samples and adipose tissue from the proximal thigh from 6 patients diagnosed with severe OA and from another 6 patients with an anterior cruciate ligament (ACL) rupture without OA. From all the patients, we took subcutaneous adipose tissue from the thigh, as the control group. Samples of synovial fluid (SF) were also extracted. The gene expression was analyzed by real-time quantitative polymerase chain reaction. Results PTH1R and MMP13 expression during chondrogenic differentiation were similar between OA and ACL groups, while the expression of OPG, FGF2, TGFβ, MMP3 were significantly lower in the OA group. Exposure of differentiated ASC to OA SF induced an increase in the expression of OPG, PTH1R, and MMP13 and a decrease in the expression of FGF2 in cell culture of the ACL group. However, expression of none of these factors was altered by the OA synovial fluid in ASC cells of the OA group. Conclusion OA of the knee also affects the mesenchymal stem cells of Hoffa fat, suggesting that Hoffa fat is a new actor in the OA degenerative process that can contribute to the origin, onset, and progression of the disease.
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Affiliation(s)
- Beatriz Bravo
- CEU-San Pablo University School of Medicine, IMMA, Boadilla del Monte, Madrid, Spain
| | | | - Arancha R. Gortazar
- CEU-San Pablo University School of Medicine, IMMA, Boadilla del Monte, Madrid, Spain
| | - Francisco Forriol
- CEU-San Pablo University School of Medicine, IMMA, Boadilla del Monte, Madrid, Spain,Francisco Forriol, CEU-San Pablo University School of Medicine, Campus Montepríncipe, Boadilla del Monte, Madrid 28668, Spain.
| | - Javier Vaquero
- Department of Orthopaedic Surgery, Hospital Universitario Gregorio Marañón, Madrid, Spain
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Nishimuta JF, Bendernagel MF, Levenston ME. Co-culture with infrapatellar fat pad differentially stimulates proteoglycan synthesis and accumulation in cartilage and meniscus tissues. Connect Tissue Res 2017; 58:447-455. [PMID: 27726455 PMCID: PMC6237083 DOI: 10.1080/03008207.2016.1245728] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE Although osteoarthritis is widely viewed as a disease of the whole joint, relatively few studies have focused on interactions among joint tissues in joint homeostasis and degeneration. In particular, few studies have examined the effects of the infrapatellar fat pad (IFP) on cartilaginous tissues. The aim of this study was to test the hypothesis that co-culture with healthy IFP would induce degradation of cartilage and meniscus tissues. MATERIALS AND METHODS Bovine articular cartilage, meniscus, and IFP were cultured isolated or as cartilage-fat or meniscus-fat co-cultures for up to 14 days. Conditioned media were assayed for sulfated glycosaminoglycan (sGAG) content, nitrite content, and matrix metalloproteinase (MMP) activity, and explants were assayed for sGAG and DNA contents. RESULTS Co-cultures exhibited increased cumulative sGAG release and sGAG release rates for both cartilage and meniscus, and the cartilage (but not meniscus) exhibited a substantial synergistic effect of co-culture (sGAG release in co-culture was significantly greater than the summed release from isolated cartilage and fat). Fat co-culture did not significantly alter the sGAG content of either cartilage or meniscus explants, indicating that IFP co-culture stimulated net sGAG production by cartilage. Nitrite release was increased relative to isolated tissue controls in co-cultured meniscus, but not the cartilage, with no synergistic effect of co-culture. Interestingly, MMP-2 production was decreased by co-culture for both cartilage and meniscus. CONCLUSIONS This study demonstrates that healthy IFP may modulate joint homeostasis by stimulating sGAG production in cartilage. Counter to our hypothesis, healthy IFP did not promote degradation of either cartilage or meniscus tissues.
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Affiliation(s)
| | | | - Marc E. Levenston
- Department of Mechanical Engineering, Stanford University, Stanford, CA, Corresponding author: Marc E. Levenston, Ph.D., Department of Mechanical Engineering, Stanford University, Stanford, CA 94305-4038,
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Cryptotanshinone protects against IL-1β-induced inflammation in human osteoarthritis chondrocytes and ameliorates the progression of osteoarthritis in mice. Int Immunopharmacol 2017; 50:161-167. [DOI: 10.1016/j.intimp.2017.06.017] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 05/30/2017] [Accepted: 06/17/2017] [Indexed: 11/23/2022]
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76
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Wu J, Wang K, Xu J, Ruan G, Zhu Q, Cai J, Ren J, Zheng S, Zhu Z, Otahal P, Ding C. Associations between serum ghrelin and knee symptoms, joint structures and cartilage or bone biomarkers in patients with knee osteoarthritis. Osteoarthritis Cartilage 2017; 25:1428-1435. [PMID: 28602782 DOI: 10.1016/j.joca.2017.05.015] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 05/21/2017] [Accepted: 05/27/2017] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The roles of ghrelin in knee osteoarthritis (OA) are unclear. This study aimed to examine cross-sectional associations of ghrelin with knee symptoms, joint structures and cartilage or bone biomarkers in patients with knee OA. METHODS This study included 146 patients with symptomatic knee OA. Serum levels of ghrelin and cartilage or bone biomarkers including cartilage oligomeric matrix protein (COMP), cross linked C-telopeptide of type I collagen (CTXI), cross linked N-telopeptide of type I collagen (NTXI), N-terminal procollagen III propeptide (PIIINP), and matrix metalloproteinase (MMP)-3, 10, 13 were measured using Enzyme-linked immunosorbent assay (ELISA). Knee symptoms were assessed using the Western Ontario and McMaster Universities Arthritis Index (WOMAC). Infrapatellar fat pad (IPFP) volume, IPFP signal intensity alternation, cartilage defects, bone marrow lesions (BMLs) and effusion-synovitis were assessed using the (MRI). Osteophytes and joint space narrowing (JSN) were assessed using the Osteoarthritis Research Society International atlas. RESULTS After adjustment for potential confounders, ghrelin quartiles were positively associated with knee symptoms including pain, stiffness, dysfunction and total score (quartile 4 vs 1: β 24.19, 95% CI 8.13-40.25). Ghrelin quartiles were also significantly associated with increased IPFP signal intensity alteration (quartile 4 vs 1: OR 3.57, 95% CI 1.55-8.25) and NTXI, PIIINP, MMP3 and MMP13. Ghrelin was not significantly associated with other joint structures and biomarkers. CONCLUSIONS Serum levels of ghrelin were significantly associated with increased knee symptoms, IPFP signal intensity alteration and serum levels of MMP3, MMP13, NTXI and PIIINP, suggesting that ghrelin may have a role to play in knee OA.
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Affiliation(s)
- J Wu
- Department of Rheumatology and Immunology, Arthritis Research Institute, The First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China.
| | - K Wang
- Department of Rheumatology and Immunology, Arthritis Research Institute, The First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China; Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, Tasmania 7000, Australia.
| | - J Xu
- Department of Rheumatology and Immunology, Arthritis Research Institute, The First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China.
| | - G Ruan
- Department of Rheumatology and Immunology, Arthritis Research Institute, The First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China.
| | - Q Zhu
- Department of Rheumatology and Immunology, Arthritis Research Institute, The First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China.
| | - J Cai
- Department of Rheumatology and Immunology, Arthritis Research Institute, The First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China.
| | - J Ren
- Department of Rheumatology and Immunology, Arthritis Research Institute, The First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China.
| | - S Zheng
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, Tasmania 7000, Australia.
| | - Z Zhu
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, Tasmania 7000, Australia.
| | - P Otahal
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, Tasmania 7000, Australia.
| | - C Ding
- Department of Rheumatology and Immunology, Arthritis Research Institute, The First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China; Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, Tasmania 7000, Australia; Institute of Bone & Joint Translational Research, Southern Medical University, Guangzhou, China.
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77
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de Jong AJ, Klein-Wieringa IR, Andersen SN, Kwekkeboom JC, Herb-van Toorn L, de Lange-Brokaar BJE, van Delft D, Garcia J, Wei W, van der Heide HJL, Bastiaansen-Jenniskens YM, van Osch GJVM, Zuurmond AM, Stojanovic-Susulic V, Nelissen RGHH, Toes REM, Kloppenburg M, Ioan-Facsinay A. Lack of high BMI-related features in adipocytes and inflammatory cells in the infrapatellar fat pad (IFP). Arthritis Res Ther 2017; 19:186. [PMID: 28800775 PMCID: PMC5553811 DOI: 10.1186/s13075-017-1395-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 07/24/2017] [Indexed: 01/02/2023] Open
Abstract
Background Obesity is associated with the development and progression of osteoarthritis (OA). Although the infrapatellar fat pad (IFP) could be involved in this association, due to its intracapsular localization in the knee joint, there is currently little known about the effect of obesity on the IFP. Therefore, we investigated cellular and molecular body mass index (BMI)-related features in the IFP of OA patients. Methods Patients with knee OA (N = 155, 68% women, mean age 65 years, mean (SD) BMI 29.9 kg/m2 (5.7)) were recruited: IFP volume was determined by magnetic resonance imaging in 79 patients with knee OA, while IFPs and subcutaneous adipose tissue (SCAT) were obtained from 106 patients undergoing arthroplasty. Crown-like structures (CLS) were determined using immunohistochemical analysis. Adipocyte size was determined by light microscopy and histological analysis. Stromal vascular fraction (SVF) cells were characterized by flow cytometry. Results IFP volume (mean (SD) 23.6 (5.4) mm3) was associated with height, but not with BMI or other obesity-related features. Likewise, volume and size of IFP adipocytes (mean 271 pl, mean 1933 μm) was not correlated with BMI. Few CLS were observed in the IFP, with no differences between overweight/obese and lean individuals. Moreover, high BMI was not associated with higher SVF immune cell numbers in the IFP, nor with changes in their phenotype. No BMI-associated molecular differences were observed, besides an increase in TNFα expression with high BMI. Macrophages in the IFP were mostly pro-inflammatory, producing IL-6 and TNFα, but little IL-10. Interestingly, however, CD206 and CD163 were associated with an anti-inflammatory phenotype, were the most abundantly expressed surface markers on macrophages (81% and 41%, respectively) and CD163+ macrophages had a more activated and pro-inflammatory phenotype than their CD163- counterparts. Conclusions BMI-related features usually observed in SCAT and visceral adipose tissue could not be detected in the IFP of OA patients, a fat depot implicated in OA pathogenesis. Electronic supplementary material The online version of this article (doi:10.1186/s13075-017-1395-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Anja J de Jong
- Department of Rheumatology, Leiden University Medical Centre, C1-R, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Inge R Klein-Wieringa
- Department of Rheumatology, Leiden University Medical Centre, C1-R, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Stefan N Andersen
- Department of Rheumatology, Leiden University Medical Centre, C1-R, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Joanneke C Kwekkeboom
- Department of Rheumatology, Leiden University Medical Centre, C1-R, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Linda Herb-van Toorn
- Department of Rheumatology, Leiden University Medical Centre, C1-R, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Badelog J E de Lange-Brokaar
- Department of Rheumatology, Leiden University Medical Centre, C1-R, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Danny van Delft
- Department of Orthopaedics, Leiden University Medical Center, Leiden, The Netherlands
| | - John Garcia
- Department of Orthopaedics, Erasmus MC, University Medical Center, Rotterdam, The Netherlands.,ISTM, Keele University, Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, Shropshire, UK
| | - Wu Wei
- Department of Orthopaedics, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | | | | | - Gerjo J V M van Osch
- Department of Orthopaedics, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | | | | | - Rob G H H Nelissen
- Department of Orthopaedics, Leiden University Medical Center, Leiden, The Netherlands
| | - René E M Toes
- Department of Rheumatology, Leiden University Medical Centre, C1-R, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Margreet Kloppenburg
- Department of Rheumatology, Leiden University Medical Centre, C1-R, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands
| | - Andreea Ioan-Facsinay
- Department of Rheumatology, Leiden University Medical Centre, C1-R, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands.
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de Jong AJ, Klein-Wieringa IR, Kwekkeboom JC, Toes REM, Kloppenburg M, Ioan-Facsinay A. Inflammatory features of infrapatellar fat pad in rheumatoid arthritis versus osteoarthritis reveal mostly qualitative differences. Ann Rheum Dis 2017; 77:1088-1090. [PMID: 28780513 DOI: 10.1136/annrheumdis-2017-211673] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 07/12/2017] [Accepted: 07/18/2017] [Indexed: 02/05/2023]
Affiliation(s)
- Anja Jacoba de Jong
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Inge R Klein-Wieringa
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Joanneke C Kwekkeboom
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - René E M Toes
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Margreet Kloppenburg
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
| | - Andreea Ioan-Facsinay
- Department of Rheumatology, Leiden University Medical Center, Leiden, The Netherlands
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Human Suprapatellar Fat Pad-Derived Mesenchymal Stem Cells Induce Chondrogenesis and Cartilage Repair in a Model of Severe Osteoarthritis. Stem Cells Int 2017; 2017:4758930. [PMID: 28769981 PMCID: PMC5523339 DOI: 10.1155/2017/4758930] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Accepted: 04/23/2017] [Indexed: 12/13/2022] Open
Abstract
Cartilage degeneration is associated with degenerative bone and joint processes in severe osteoarthritis (OA). Spontaneous cartilage regeneration is extremely limited. Often the treatment consists of a partial or complete joint implant. Adipose-derived stem cell (ASC) transplantation has been shown to restore degenerated cartilage; however, regenerative differences of ASC would depend on the source of adipose tissue. The infra- and suprapatellar fat pads surrounding the knee offer a potential autologous source of ASC for patients after complete joint substitution. When infrapatellar- and suprapatellar-derived stromal vascular fractions (SVF) were compared, a significantly higher CD105 (+) population was found in the suprapatellar fat. In addition, the suprapatellar SVF exhibited increased numbers of colony formation units and a higher population doubling in culture compared to the infrapatellar fraction. Both the suprapatellar- and infrapatellar-derived ASC were differentiated in vitro into mature adipocytes, osteocytes, and chondrocytes. However, the suprapatellar-derived ASC showed higher osteogenic and chondrogenic efficiency. Suprapatellar-derived ASC transplantation in a severe OA mouse model significantly diminished the OA-associated knee inflammation and cartilage degenerative grade, significantly increasing the production of glycosaminoglycan and inducing endogenous chondrogenesis in comparison with the control group. Overall, suprapatellar-derived ASC offer a potential autologous regenerative treatment for patients with multiple degenerative OA.
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80
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MicroRNA-29a Counteracts Synovitis in Knee Osteoarthritis Pathogenesis by Targeting VEGF. Sci Rep 2017; 7:3584. [PMID: 28620193 PMCID: PMC5472675 DOI: 10.1038/s41598-017-03616-w] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 05/02/2017] [Indexed: 12/11/2022] Open
Abstract
Synovitis contributes to the development of osteoarthritis (OA) of the knee. MicroRNAs regulate joint microenvironment homeostasis and deterioration. This study was undertaken to characterize the actions of microRNA-29a (miR-29a) to synovial remodeling in OA joints. Synovial specimens isolated from patients with end-stage OA knees showed abundant fibrotic matrix and vessel histopathology concomitant with weak miR-29a expression. In vitro, miR-29a knockdown caused synovial fibroblasts to exhibit high expressions of collagen III, TGF-β1, MMP9, MMP13, and ADAMTS5, whereas miR-29a overexpression diminished these joint-deleterious factors. In collagenase-mediated OA pathogenesis, miR-29a-overexpressing transgenic mice showed minor responses to hyperplasia, macrophage infiltration, fibrosis, hyperangiogenesis, and VEGF expression in synovial lesions. These effects mitigated articular cartilage loss and gait aberrance of injured joints. Intra-articular administration of miR-29a precursor lessened the collagenase aggravation of excessive synovial remodeling reactions and thereby sustained joint tissue integrity. miR-29a lowered VEGF production and angiogenic activities in synovial fibroblasts through targeting the 3′-UTR of VEGF. Taken together, miR-29a deficiency exacerbated synovitis pathogenesis in the end-stage OA knees. miR-29a signaling fends off excessive synovial angiogenesis and fibrosis, which delays joint destruction. This study sheds new light on the protective effects against synovial deterioration and the therapeutic advantage of miR-29a in OA knees.
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81
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Barboza E, Hudson J, Chang WP, Kovats S, Towner RA, Silasi-Mansat R, Lupu F, Kent C, Griffin TM. Profibrotic Infrapatellar Fat Pad Remodeling Without M1 Macrophage Polarization Precedes Knee Osteoarthritis in Mice With Diet-Induced Obesity. Arthritis Rheumatol 2017; 69:1221-1232. [PMID: 28141918 DOI: 10.1002/art.40056] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 01/24/2017] [Indexed: 12/22/2022]
Abstract
OBJECTIVE To test the hypothesis that high-fat (HF) diet-induced obesity increases proinflammatory cytokine expression, macrophage infiltration, and M1 polarization in the infrapatellar fat pad (IFP) prior to knee cartilage degeneration. METHODS We characterized the effect of HF feeding on knee OA pathology, body adiposity, and glucose intolerance in male C57BL/6J mice and identified a diet duration that induces metabolic dysfunction prior to cartilage degeneration. Magnetic resonance imaging and histomorphology were used to quantify changes in the epididymal, subcutaneous, and infrapatellar fat pads and in adipocyte sizes. Finally, we used targeted gene expression and protein arrays, immunohistochemistry, and flow cytometry to quantify differences in fat pad markers of inflammation and immune cell populations. RESULTS Twenty weeks of feeding with an HF diet induced marked obesity, glucose intolerance, and early osteoarthritis (OA), including osteophytes and cartilage tidemark duplication. This duration of HF feeding increased the IFP volume. However, it did not increase IFP inflammation, macrophage infiltration, or M1 macrophage polarization as observed in epididymal fat. Furthermore, leptin protein levels were reduced. This protection from obesity-induced inflammation corresponded to increased IFP fibrosis and the absence of adipocyte hypertrophy. CONCLUSION The IFP does not recapitulate classic abdominal adipose tissue inflammation during the early stages of knee OA in an HF diet-induced model of obesity. Consequently, these findings do not support the hypothesis that IFP inflammation is an initiating factor of obesity-induced knee OA. Furthermore, the profibrotic and antihypertrophic responses of IFP adipocytes to HF feeding suggest that intraarticular adipocytes are subject to distinct spatiotemporal structural and metabolic regulation among fat pads.
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Affiliation(s)
| | | | | | - Susan Kovats
- Oklahoma Medical Research Foundation, Oklahoma City
| | | | | | - Florea Lupu
- Oklahoma Medical Research Foundation, Oklahoma City
| | - Collin Kent
- Oklahoma Medical Research Foundation, Oklahoma City
| | - Timothy M Griffin
- Oklahoma Medical Research Foundation, Reynolds Oklahoma Center on Aging, and University of Oklahoma Health Sciences Center, Oklahoma City
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Kontny E, Zielińska A, Skalska U, Księżopolska-Orłowska K, Głuszko P, Maśliński W. Distinct Secretory Activity and Clinical Impact of Subcutaneous Abdominal Adipose Tissue in Women with Rheumatoid Arthritis and Osteoarthritis. Inflammation 2017; 40:106-116. [PMID: 27796618 DOI: 10.1007/s10753-016-0459-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
In the general population, low-grade inflammation of adipose tissue accompanies obesity and contributes to cardiovascular disease (CVD) development, but the implication of this tissue in rheumatic disease pathology is unclear. Therefore, we characterized the secretory activity of subcutaneous abdominal adipose tissue (SAAT) of females with rheumatoid arthritis (RA) and osteoarthritis (OA) and searched for its relationship with intensity of systemic inflammation, body composition and comorbidity. The secretion of classical adipokines (leptin, adiponectin), pro- and anti-inflammatory factors, i.e. interleukin (IL)-6, IL-8, IL-10, tumour necrosis factor (TNF), macrophage migration inhibitory factor (MIF) and hepatocyte growth factor (HGF), from SAAT explants was measured by specific enzyme-linked immunosorbent assays. Patients' body composition was evaluated by bioelectric impendence technique. Rheumatoid SAAT secreted more adiponectin, IL-6, IL-10, TNF and MIF but less leptin than respective osteoarthritis tissues. In RA patients, TNF secretion correlated with cachectic body composition, HGF release was linked to secondary amyloidosis and visceral fat rating was an independent risk factor for CVD. In OA, secretion of leptin and HGF positively, while adiponectin inversely, correlated with systemic inflammation markers, and the release of MIF was an independent risk factor for CVD. This study reveals differences between RA and OA patients in SAAT secretory activity and suggests its different clinical impact in these diseases, characterized by high- and low-grade systemic inflammation, respectively. In RA, SAAT may directly or via an effect on body composition contribute to amyloidosis, cachexia or CVD co-occurring, while in OA SAAT-derived adipocytokines may rather regulate intensity of systemic inflammation and redound to CVD emergence.
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Affiliation(s)
- Ewa Kontny
- Department of Pathophysiology and Immunology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Spartanska 1, Warsaw, 02-637, Poland.
| | - Agnieszka Zielińska
- Department of Rheumatology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - Urszula Skalska
- Department of Pathophysiology and Immunology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Spartanska 1, Warsaw, 02-637, Poland
| | | | - Piotr Głuszko
- Department of Rheumatology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - Włodzimierz Maśliński
- Department of Pathophysiology and Immunology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Spartanska 1, Warsaw, 02-637, Poland
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Aikawa J, Uchida K, Takano S, Inoue G, Minatani A, Miyagi M, Iwase D, Sekiguchi H, Mukai M, Takaso M. Expression of calcitonin gene-related peptide in the infrapatellar fat pad in knee osteoarthritis patients. J Orthop Surg Res 2017; 12:65. [PMID: 28431586 PMCID: PMC5399802 DOI: 10.1186/s13018-017-0568-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Accepted: 04/13/2017] [Indexed: 11/23/2022] Open
Abstract
Background The infrapatellar fat pad (IPFP) has been implicated as a possible source of osteoarthritis (OA) development and knee pain due to the production of inflammatory mediators and the existence of nerve fibers within this structure. Calcitonin gene-related peptide (CGRP) is a vasodilatory neuropeptide that is localized to joint tissues and has recently been implicated in the development of knee OA and OA pain. To date, however, the expression levels of CGRP in the IPFP of human knee OA patients have not been examined. Methods IFFP and synovial (SYN) tissues were harvested from 100 individuals with radiographic knee OA (unilateral Kellgren/Lawrence [K/L] grades 2–4) during total knee arthroplasty and subjected to immunohistochemical analysis for CGRP localization. In addition, the messenger RNA (mRNA) expression levels of CGRP and cyclooxygenase-2 (COX-2) in the collected tissues were evaluated and compared using real-time PCR analysis of total RNA extracts. CGRP and COX-2 mRNA expression were also compared among individuals with K/L grades 2–4. Results CGRP-positive cells were detected in the capillaries within the IPFP and lining layer of SYN tissue. The expression levels of CGRP in the IPFP were positively correlated with COX-2 and were significantly higher than those in SYN tissue. CGRP expression in tissue from the KL4 group was twofold higher than that from the KL2 group. Conclusions The IPFP of knee OA patients produces relatively high levels of CGRP, which may be regulated by COX-2 at the transcriptional level. Further studies are needed to determine if CGRP levels are directly linked to OA pathology.
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Affiliation(s)
- Jun Aikawa
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara, Kanagawa, 252-0374, Japan
| | - Kentaro Uchida
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara, Kanagawa, 252-0374, Japan.
| | - Shotaro Takano
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara, Kanagawa, 252-0374, Japan
| | - Gen Inoue
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara, Kanagawa, 252-0374, Japan
| | - Atsushi Minatani
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara, Kanagawa, 252-0374, Japan
| | - Masayuki Miyagi
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara, Kanagawa, 252-0374, Japan
| | - Dai Iwase
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara, Kanagawa, 252-0374, Japan
| | - Hiroyuki Sekiguchi
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara, Kanagawa, 252-0374, Japan
| | - Manabu Mukai
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara, Kanagawa, 252-0374, Japan
| | - Masashi Takaso
- Department of Orthopedic Surgery, Kitasato University School of Medicine, 1-15-1 Minami-ku Kitasato, Sagamihara, Kanagawa, 252-0374, Japan
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Osteoarthritis: Inflammation and fibrosis in adipose tissue of osteoarthritic joints. Nat Rev Rheumatol 2017; 13:325-326. [PMID: 28405000 DOI: 10.1038/nrrheum.2017.53] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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85
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Eymard F, Pigenet A, Citadelle D, Tordjman J, Foucher L, Rose C, Flouzat Lachaniette CH, Rouault C, Clément K, Berenbaum F, Chevalier X, Houard X. Knee and hip intra-articular adipose tissues (IAATs) compared with autologous subcutaneous adipose tissue: a specific phenotype for a central player in osteoarthritis. Ann Rheum Dis 2017; 76:1142-1148. [DOI: 10.1136/annrheumdis-2016-210478] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Revised: 02/07/2017] [Accepted: 02/21/2017] [Indexed: 12/13/2022]
Abstract
ObjectivesCompared with subcutaneous adipose tissue (SCAT), infrapatellar fat pad (IFP), the main knee intra-articular adipose tissue (IAAT), has an inflammatory phenotype in patients with osteoarthritis (OA). We phenotyped suprapatellar fat pad (SPFP) and hip acetabular fat pad (AFP), two other IAATs, to determinate the unique signature of IAATs compared with SCAT.MethodsIFP, SPFP, AFP and autologous SCAT were obtained from patients with OA during total knee (n=38) or hip replacement (n=5). Fibrosis and adipocyte area were analysed by histology and vascularisation, leucocyte and mast cell infiltration were analysed by immunohistochemistry for von Willebrand factor, leucocytes and tryptase, respectively. Secretion of interleukin (IL)-6, IL-8 and prostaglandin E2 (PGE2) was assessed by ELISA. The mRNA expression of adipocyte-associated genes (ATGL, LPL, PPAR-γ, FABP4 and CD36) and developmental genes (SFRP2, HoxC9 and EN1) was determined. The inflammatory response of isolated fibroblast-like synoviocytes (FLS) to autologous IFP and SPFP conditioned media was examined.ResultsFibrosis, vascularisation and leucocyte and mast cell infiltration were greater in IAATs than SCAT, and levels of IL-6, IL-8 and PGE2 were greater in all IAATs than SCAT. IFP and SPFP induced a similar inflammatory response to FLS. Adipocyte area was smaller in IAATs than SCAT. Adipocyte-associated and developmental genes showed a similar gene expression pattern in all IAATs, different from SCAT.ConclusionsIFP but also SPFP and AFP (gathered under the term ‘IAAT’) may play a deleterious role in OA by affecting joint homeostasis because of their inflammatory phenotype and their close interaction with synovium in the same functional unit.
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86
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Belluzzi E, El Hadi H, Granzotto M, Rossato M, Ramonda R, Macchi V, De Caro R, Vettor R, Favero M. Systemic and Local Adipose Tissue in Knee Osteoarthritis. J Cell Physiol 2017; 232:1971-1978. [PMID: 27925193 DOI: 10.1002/jcp.25716] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 12/01/2016] [Indexed: 01/15/2023]
Abstract
Osteoarthritis is a common chronic joint disorder affecting older people. The knee is the major joint affected. The symptoms of osteoarthritis include limited range of motion, joint swelling, and pain causing disability. There are no disease modifying drugs available, and treatments are mainly focused on pain management. Total knee replacement performed at the end stage of the disease is considered the only cure available. It has been found that obese people have an increased risk to develop not only knee but also hand osteoarthritis. This supports the concept that adipose tissue might be related to osteoarthritis not only through overloading. As matter of fact, obesity induces a low grade systemic inflammatory state characterized by the production and secretion of several adipocytokines that may have a role in osteoarthritis development. Furthermore, hypertension, impaired glucose, and lipid metabolism, which are comorbidities associated with obesity, have been shown to alter the joint tissue homeostasis. Moreover, infrapatellar fat pad in the knee has been demonstrated to be a local source of adipocytokines and potentially contribute to osteoarthritis pathogenesis. Here, we discuss the role of systemic and local adipose tissue in knee osteoarthritis. J. Cell. Physiol. 232: 1971-1978, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Elisa Belluzzi
- Rheumatology Unit; Department of Medicine (DIMED); University Hospital of Padova; Padova Italy
| | - Hamza El Hadi
- Clinica Medica 3; Department of Medicine (DIMED); University Hospital of Padova; Padova Italy
| | - Marnie Granzotto
- Clinica Medica 3; Department of Medicine (DIMED); University Hospital of Padova; Padova Italy
| | - Marco Rossato
- Clinica Medica 3; Department of Medicine (DIMED); University Hospital of Padova; Padova Italy
| | - Roberta Ramonda
- Rheumatology Unit; Department of Medicine (DIMED); University Hospital of Padova; Padova Italy
| | - Veronica Macchi
- Institute of Human Anatomy; Department of Neuroscience; University of Padova; Padova Italy
| | - Raffaele De Caro
- Institute of Human Anatomy; Department of Neuroscience; University of Padova; Padova Italy
| | - Roberto Vettor
- Clinica Medica 3; Department of Medicine (DIMED); University Hospital of Padova; Padova Italy
| | - Marta Favero
- Rheumatology Unit; Department of Medicine (DIMED); University Hospital of Padova; Padova Italy
- Laboratory of Immunorheumatology and Tissue Regeneration; Rizzoli Orthopedic Research Institute; Bologna Italy
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Pogacnik Murillo AL, Eckstein F, Wirth W, Beavers D, Loeser RF, Nicklas BJ, Mihalko SL, Miller GD, Hunter DJ, Messier SP. Impact of Diet and/or Exercise Intervention on Infrapatellar Fat Pad Morphology: Secondary Analysis from the Intensive Diet and Exercise for Arthritis (IDEA) Trial. Cells Tissues Organs 2017; 203:258-266. [PMID: 28222422 PMCID: PMC5388564 DOI: 10.1159/000449407] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/24/2016] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES The infrapatellar fat pad (IPFP) represents intra-articular adipose tissue that may contribute to intra-articular inflammation and pain by secretion of proinflammatory cytokines. Here we examined the impact of weight loss by diet and/or exercise interventions on the IPFP volume. METHODS Intensive Diet and Exercise for Arthritis (IDEA) was a single-blinded, single-center, 18-month, prospective, randomized controlled trial that enrolled 454 overweight and obese older adults with knee pain and radiographic osteoarthritis. Participants were randomized to 1 of 3 groups: exercise-only control (E), diet-induced weight loss (D), and diet-induced weight loss + exercise (D+E). In a subsample (n = 106; E: n = 36, D: n = 35, and D+E: n = 35), magnetic resonance images were acquired at baseline and at the 18-month follow-up, from which we analyzed IPFP volume, surface areas, and thickness in this secondary analysis. RESULTS The average weight loss amounted to 1.0% in the E group, 10.5% in the D group, and 13.0% in the D+E group. A significant (p < 0.01) reduction in IPFP volume was observed in the E (2.1%), D (4.0%), and D+E (5.2%) groups. The IPFP volume loss in the D+E group was significantly greater than that in the E group (p < 0.05) when not adjusting for parallel comparisons. Across intervention groups, there were significant correlations between IPFP volume change, individual weight loss (r = 0.40), and change in total body fat mass (dual-energy X-ray absorptiometry; r = 0.44, n = 88) and in subcutaneous thigh fat area (computed tomography; r = 0.32, n = 82). CONCLUSIONS As a potential link between obesity and knee osteoarthritis, the IPFP was sensitive to intervention by diet and/or exercise, and its reduction was correlated with changes in weight and body fat.
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Ma Z, Wang Y, Piao T, Liu J. Echinocystic Acid Inhibits IL-1β-Induced COX-2 and iNOS Expression in Human Osteoarthritis Chondrocytes. Inflammation 2017; 39:543-9. [PMID: 26499345 DOI: 10.1007/s10753-015-0278-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Echinocystic acid (EA), a pentacyclic triterpene isolated from the fruits of Gleditsia sinensis Lam, displays a range of pharmacological activities including anti-inflammatory and antioxidant effects. However, the effect of EA on IL-1β-stimulated osteoarthritis chondrocyte has not been reported. The purpose of this study was to assess the effects of EA on IL-1β-stimulated human osteoarthritis chondrocyte. Chondrocytes were stimulated with IL-1β in the absence or presence of EA. NO and PGE2 production were measured by Griess reagent and ELISA. The expression of COX-2, iNOS, nuclear factor-κB (NF-κB), inhibitory kappa B (IκBα), c-Jun N-terminal kinase (JNK), p38, and extracellular signal-regulated kinase (ERK) were detected by Western blot analysis. The results showed that EA suppressed IL-1β-induced collagenase-3 (MMP-13), NO, and PGE2 production in a dose-dependent manner. IL-1β up-regulated the expression of COX-2 and iNOS, and the increase was inhibited by EA. Furthermore, IL-1β-induced NF-κB and mitogen-activated protein kinase (MAPK) activation were inhibited by EA. In conclusion, EA effectively attenuated IL-1β-induced inflammatory response in osteoarthritis chondrocyte which suggesting that EA may be a potential agent in the treatment of osteoarthritis.
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Affiliation(s)
- Zhiqiang Ma
- Department of Orthopedic Surgery, The Second Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150086, People's Republic of China
| | - Yanlong Wang
- Department of Orthopedic Surgery, The Second Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150086, People's Republic of China
| | - Taikui Piao
- Children's Hospital of Harbin, Harbin, Heilongjiang Province, 150010, People's Republic of China
| | - Jianyu Liu
- Department of Orthopedic Surgery, The Second Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150086, People's Republic of China.
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Secretory activity of subcutaneous abdominal adipose tissue in male patients with rheumatoid arthritis and osteoarthritis - association with clinical and laboratory data. Reumatologia 2016; 54:227-235. [PMID: 27994266 PMCID: PMC5149569 DOI: 10.5114/reum.2016.63662] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Accepted: 10/17/2016] [Indexed: 12/25/2022] Open
Abstract
Introduction Adipose tissue exerts widespread effects on the metabolism and immune system, but its activity differs between the genders. In the general population low-grade adipose tissue inflammation contributes to development of diseases of affluence. Little is known about the systemic impact of peripheral fat tissue in osteoarthritis (OA) and rheumatoid arthritis (RA), characterized by chronic, low- and high-grade systemic inflammation, respectively. To clarify this we evaluated the secretory activity of subcutaneous abdominal adipose tissue (SAAT) obtained from male patients affected with RA (n = 21) and OA (n = 13), and assessed its association with body mass and composition, demographic, clinical and laboratory data. Material and methods Basal and interleukin (IL)-1β-triggered secretion of selected adipocytokines from SAAT explants was measured by specific enzyme-linked immunosorbent assays (ELISA). Patients’ body composition was evaluated by bioelectric impendence technique. Results Rheumatoid SAAT secreted more adiponectin and macrophage migration inhibitory factor (MIF) than respective osteoarthritis tissue. In both RA and OA patient groups, stimulation of SAAT explants with IL-1β (1 ng/ml/100 mg tissue) significantly up-regulated release of pro-(IL-6, IL-8, tumor necrosis factor – TNF) and anti-inflammatory (IL-10) cytokines but had no effect on the secretion of adiponectin, leptin, MIF and hepatocyte growth factor (HGF). Compared with RA, patients with OA were more obese. In RA patients SAAT-released adiponectin and TNF inversely correlated with body mass index (BMI) and visceral fat rating (FVSC). In addition, SAAT-secreted adiponectin and leptin positively correlated with DAS28 and disease duration, respectively. In the OA group tissue-released TNF positively correlated with patients’ age. Conclusions We conclude that in RA male patients adipocytokines originating from SAAT are of clinical importance because: (i) adiponectin and TNF may contribute to maintenance of normal body composition and mass, (ii) in addition adiponectin may play a pathogenic role. Moreover, in both RA and OA male patients secretory activity of SAAT may vary with time.
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Latourte A, Cherifi C, Maillet J, Ea HK, Bouaziz W, Funck-Brentano T, Cohen-Solal M, Hay E, Richette P. Systemic inhibition of IL-6/Stat3 signalling protects against experimental osteoarthritis. Ann Rheum Dis 2016; 76:748-755. [DOI: 10.1136/annrheumdis-2016-209757] [Citation(s) in RCA: 161] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Revised: 08/25/2016] [Accepted: 10/09/2016] [Indexed: 01/22/2023]
Abstract
ObjectiveTo investigate the impact of systemic inhibition of interleukin 6 (IL-6) or signal transducer and activator of transcription (Stat3) in an experimental model of osteoarthritis (OA).MethodsExpression of major catabolic and anabolic factors of cartilage was determined in IL-6-treated mouse chondrocytes and cartilage explants. The anti-IL-6-receptor neutralising antibody MR16-1 was used in the destabilisation of the medial meniscus (DMM) mouse model of OA. Stat3 blockade was investigated by the small molecule Stattic ex vivo and in the DMM model.ResultsIn chondrocytes and cartilage explants, IL-6 treatment reduced proteoglycan content with increased production of matrix metalloproteinase (MMP-3 and MMP-13) and a disintegrin and metalloproteinase with thrombospondin motifs (ADAMTS-4 and ADAMTS-5). IL-6 induced Stat3 and extracellular signal-regulated kinase (ERK) 1/2 signalling but not p38, c-Jun N-terminal kinase or Akt. In the DMM model, Stat3 was activated in cartilage, but neither in the synovium nor in the subchondral bone. Systemic blockade of IL-6 by MR16-1 alleviated DMM-induced OA cartilage lesions, impaired the osteophyte formation and the extent of synovitis. In the same model, Stattic had similar beneficial effects on cartilage and osteophyte formation. Stattic, but not an ERK1/2 inhibitor, significantly counteracted the catabolic effects of IL-6 on cartilage explants and suppressed the IL-6-induced chondrocytes apoptosis.ConclusionIL-6 induces chondrocyte catabolism mainly via Stat3 signalling, a pathway activated in cartilage from joint subjected to DMM. Systemic blockade of IL-6 or STAT-3 can alleviate DMM-induced OA in mice.
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Effects of platycodin D on IL-1β-induced inflammatory response in human osteoarthritis chondrocytes. Int Immunopharmacol 2016; 40:474-479. [PMID: 27743553 DOI: 10.1016/j.intimp.2016.09.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 09/01/2016] [Accepted: 09/24/2016] [Indexed: 11/21/2022]
Abstract
Platycodin D (PYD), a major saponin derived and isolated from the roots of Platycodon grandiflorum, has been reported to have anti-inflammatory and anti-tumor effects. The present study aimed to investigate the effects of PYD on IL-1β-stimulated human osteoarthritis chondrocytes. Chondrocytes were treated with PYD 1h before IL-1β treatment. The levels of MMP1, MMP13, IL-8, RANTES, PGE2, and NO were measured in this study. The expression of LXRα, NF-κB, and IκBα were detected by western blot analysis. The results showed that PYD significantly inhibited IL-1β-induced MMP1, MMP13, IL-8, RANTES, PGE2, and NO production. PYD also suppressed IL-1β-induced NF-κB activation. Furthermore, the expression of LXRα was up-regulated by PYD in a dose-dependent manner. In addition, LXRα siRNA inhibited the effects of PYD on MMP1, MMP13, PGE2, and NO production in human osteoarthritis chondrocytes. In conclusion, these results suggested that PYD attenuated IL-1β-induced inflammatory response in osteoarthritis chondrocyte by activating LXRα.
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Han W, Aitken D, Zhu Z, Halliday A, Wang X, Antony B, Cicuttini F, Jones G, Ding C. Hypointense signals in the infrapatellar fat pad assessed by magnetic resonance imaging are associated with knee symptoms and structure in older adults: a cohort study. Arthritis Res Ther 2016; 18:234. [PMID: 27729069 PMCID: PMC5059934 DOI: 10.1186/s13075-016-1130-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 09/20/2016] [Indexed: 02/07/2023] Open
Abstract
Background There are few clinical and epidemiological studies reporting the association between abnormal changes within the IPFP and knee osteoarthritic changes. This study aims to describe the associations between hypointense signals in the infrapatellar fat pad (IPFP) and knee structural change and symptoms in older adults. Methods Participants (n = 874) were selected randomly from local community and followed up 2.7 years later (range 2.6–3.3 years). T1- or T2-weighted fat-suppressed magnetic resonance imaging (MRI) was assessed for IPFP hypointense signal, cartilage volume, cartilage defects, and bone marrow lesions (BMLs). Knee pain was assessed by self-administered Western Ontario and McMaster Osteoarthritis Index (WOMAC) questionnaire. Radiographic osteoarthritis was assessed using the OARSI atlas. Results Cross-sectionally, hypointense signals in the IPFP were significantly associated with a higher risk of knee cartilage defects at all sites, tibiofemoral BMLs and knee pain in multivariable analyses. Longitudinally, baseline signal abnormalities were significantly and positively associated with increases in knee cartilage defects (OR: 2.27, 95 % CI: 1.61–3.21), BMLs (OR: 1.91, 95 % CI: 1.39–2.62), and knee pain (OR: 1.36, 95 % CI: 1.05–1.76) in multivariable analyses. The associations with cartilage defects remained significant after adjustment for BMLs, but the associations with BMLs and knee pain decreased in magnitude or became non-significant after further adjustment for cartilage defects. Conclusions Hypointense signals in the IPFP were associated primarily with increased knee cartilage defects and also with BMLs and knee symptoms in cross-sectional and longitudinal analyses, suggesting the abnormality represented by this signal has a potentially important role in osteoarthritis progression. Electronic supplementary material The online version of this article (doi:10.1186/s13075-016-1130-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Weiyu Han
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7000, Australia.,Department of Orthopedics, 3rd Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Dawn Aitken
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7000, Australia
| | - Zhaohua Zhu
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7000, Australia.,Arthritis Research Institute, 1st Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China
| | - Andrew Halliday
- Department of Radiology, Royal Hobart Hospital, Hobart, TAS, Australia
| | - Xia Wang
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7000, Australia
| | - Benny Antony
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7000, Australia
| | - Flavia Cicuttini
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, VIC, Australia
| | - Graeme Jones
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7000, Australia
| | - Changhai Ding
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7000, Australia. .,Arthritis Research Institute, 1st Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China. .,Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, VIC, Australia.
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93
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Wang K, Xu J, Cai J, Zheng S, Han W, Antony B, Ding C. Serum levels of interleukin-17 and adiponectin are associated with infrapatellar fat pad volume and signal intensity alteration in patients with knee osteoarthritis. Arthritis Res Ther 2016; 18:193. [PMID: 27566142 PMCID: PMC5002102 DOI: 10.1186/s13075-016-1088-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Accepted: 08/03/2016] [Indexed: 12/17/2022] Open
Abstract
Background In the present study, we sought to generate hypotheses regarding the associations of serum levels of interleukin (IL)-17, adiponectin, and resistin with magnetic resonance imaging-measured infrapatellar fat pad (IPFP) size and signal intensity alterations in patients with knee osteoarthritis (OA). Methods A total of 170 subjects with symptomatic knee OA (mean age 55.4 years, range 34–74, 88.2 % females) were included. IPFP volume was measured on T1-weighted spoiled gradient-recalled acquisition in the steady state images and was computed by using a software program. IPFP high signal intensity (grades 0–3) was assessed on T2-weighted fast spin echo images. Serum IL-17, adiponectin, and resistin levels were measured using an enzyme-linked immunosorbent assay. Results In multivariable analyses, serum IL-17 was negatively associated with IPFP volume (β = −0.185, 95 % CI −0.337 to −0.034) but positively associated with the severity of IPFP signal intensity alteration (OR 1.23, 95 % CI 1.06–1.42) after adjustment for age, sex, weight, and height. Serum adiponectin was positively associated with IPFP volume (β = 0.016, 95 % CI 0.001–0.032) but negatively associated with IPFP signal intensity alteration (OR 0.99, 95 % CI 0.98–1.00) after adjustment for covariates. Resistin was positively associated with IPFP signal intensity alteration (OR 1.13, 95 % CI 1.04–1.23) but not with IPFP volume. The significant associations of adiponectin or resistin disappeared after further adjustment for IL-17; in contrast, the significant associations of IL-17 remained after further adjustment for adiponectin. Conclusions While serum IL-17 and resistin were associated with reduced IPFP volume and/or increased abnormal signal intensity alteration, serum adiponectin had opposite associations that were largely through IL-17. These findings suggest that serum adipocytokines may have a role to play in IPFP changes of knee OA.
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Affiliation(s)
- Kang Wang
- Department of Rheumatology and Immunology, Arthritis Research Institute, the First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China.,Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, Tasmania, 7000, Australia
| | - Jianhua Xu
- Department of Rheumatology and Immunology, Arthritis Research Institute, the First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China
| | - Jingyu Cai
- Department of Rheumatology and Immunology, Arthritis Research Institute, the First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China
| | - Shuang Zheng
- Department of Rheumatology and Immunology, Arthritis Research Institute, the First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China
| | - Weiyu Han
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, Tasmania, 7000, Australia
| | - Benny Antony
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, Tasmania, 7000, Australia
| | - Changhai Ding
- Department of Rheumatology and Immunology, Arthritis Research Institute, the First Affiliated Hospital of Anhui Medical University, 218 Jixi Street, Hefei, China. .,Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, Tasmania, 7000, Australia.
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Abstract
The infrapatellar fat pad (IFP) of Hoffa's fat pad is the main adipose structure within the knee joint. It is located between the joint capsule and the synovial membrane, which lines its posterior aspect. The IFP is composed chiefly of adipocytes and receives an abundant supply of blood vessels and nerves. Immune cells can infiltrate the IFP, which can become a major source of numerous proinflammatory mediators (cytokines and adipokines). The physiological role for the IFP remains unclear but may involve shock absorption and the protection of adjacent tissues. Hoffa's disease is characterized by inflammation, hypertrophy, and fibrosis of the pad in response to repetitive trauma. Anterior knee pain is the most common symptom. In advanced forms, metaplasia of the IFP may result in the development of a sometimes sizable osteochondroma. The IFP may also contribute to the pathophysiology of knee osteoarthritis, in particular via procatabolic and proinflammatory effects on its synovial lining. Finally, in patients with knee osteoarthritis, inflammation of the IFP may be a source of pain.
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Affiliation(s)
- Florent Eymard
- Service de rhumatologie, Hôpital Henri Mondor, 51 avenue du Maréchal de Lattre de Tassigny, 94000 Créteil, France.
| | - Xavier Chevalier
- Service de rhumatologie, Hôpital Henri Mondor, 51 avenue du Maréchal de Lattre de Tassigny, 94000 Créteil, France
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Manferdini C, Paolella F, Gabusi E, Silvestri Y, Gambari L, Cattini L, Filardo G, Fleury-Cappellesso S, Lisignoli G. From osteoarthritic synovium to synovial-derived cells characterization: synovial macrophages are key effector cells. Arthritis Res Ther 2016; 18:83. [PMID: 27044395 PMCID: PMC4820904 DOI: 10.1186/s13075-016-0983-4] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2015] [Accepted: 03/24/2016] [Indexed: 01/15/2023] Open
Abstract
Background The aim of the study was to characterize synovial cells from OA synovium with low-grade and moderate-grade synovitis and to define the role of synovial macrophages in cell culture. Methods Synovial tissue explants were analyzed for the expression of typical markers of synovial fibroblasts (SF), synovial macrophages (SM) and endothelial cells. Synovial cells at passage 1 (p.1) and 5 (p.5) were analyzed for different phenotypical markers by flow cytometric analysis, inflammatory factors by multiplex immunoassay, anabolic and degradative factors by qRT-PCR. P.1 and p.5 synovial cells as different cell models were co-cultured with adipose stem cells (ASC) to define SM effects. Results Synovial tissue showed a higher percentage of CD68 marker in moderate compared with low-grade synovitis. Isolated synovial cells at p.1 were positive to typical markers of SM (CD14, CD16, CD68, CD80 and CD163) and SF (CD55, CD73, CD90, CD105, CD106), whereas p.5 synovial cells were positive only to SF markers and showed a higher percentage of CD55 and CD106. At p.1 synovial cells released a significantly higher amount of all inflammatory (IL6, CXCL8, CCL2, CCL3, CCL5) and some anabolic (IL10) factors than those of p.5. Moreover, p.1 synovial cells also expressed a higher amount of some degradative factors (MMP13, S100A8, S100A9) than p.5 synovial cells. Co-culture experiments showed that the amount of SM in p.1 synovial cells differently induced or down-modulated some of the inflammatory (IL6, CXCL8, CCL2, CCL3, CCL5) and degradative factors (ADAMTS5, MMP13, S100A8, S100A9). Conclusions We found that p.1 (mix of SM and SF) and p.5 (only SF) synovial cells represent two cell models that effectively reproduce the low- or moderate-grade synovitis environment. The presence of SM in culture specifically induces the modulation of the different factors analyzed, confirming that SM are key effector cells. Electronic supplementary material The online version of this article (doi:10.1186/s13075-016-0983-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Cristina Manferdini
- SC Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna, 40136, Italy.,SD Laboratorio RAMSES, Istituto Ortopedico Rizzoli, Bologna, 40136, Italy
| | - Francesca Paolella
- SC Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - Elena Gabusi
- SD Laboratorio RAMSES, Istituto Ortopedico Rizzoli, Bologna, 40136, Italy
| | - Ylenia Silvestri
- SC Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - Laura Gambari
- SC Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - Luca Cattini
- SC Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna, 40136, Italy
| | - Giuseppe Filardo
- Clinica Ortopedica e Traumatologica II, Istituto Ortopedico Rizzoli, Bologna, 40136, Italy
| | | | - Gina Lisignoli
- SC Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, Istituto Ortopedico Rizzoli, Via di Barbiano 1/10, Bologna, 40136, Italy. .,SD Laboratorio RAMSES, Istituto Ortopedico Rizzoli, Bologna, 40136, Italy.
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96
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Magnetic resonance imaging of Hoffa's fat pad and relevance for osteoarthritis research: a narrative review. Osteoarthritis Cartilage 2016; 24:383-97. [PMID: 26455999 DOI: 10.1016/j.joca.2015.09.018] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2015] [Revised: 09/08/2015] [Accepted: 09/22/2015] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To give an illustrative overview of Hoffa's fat pad pathology with a radiologic emphasis on the anatomy, on technical considerations, and on imaging differential diagnoses in the context of osteoarthritis (OA) imaging research. DESIGN A PubMed database search including only English literature and covering a 20 year period was performed. The search was based on but no limited to the query terms "Hoffa", "Hoffa's fat pad" or "infrapatellar fat pad (IPFP)" in combination with "synovitis", "OA", and "magnetic resonance imaging (MRI)". The literature search yielded 289 publications that were screened for relevance; additional references were included when these were considered of importance. RESULTS Several anatomic variants and pathologic conditions may be encountered when assessing Hoffa's fat pad including tumors and tumor-like lesions such as osteochondroma, tenosynovial giant cell tumor (TGCT) (and pigmented nodular synovitis) and arthrofibrosis, traumatic changes including contusions and anatomic variants such as recesses. The latter may be accountable for differences in cross-sectional area or volume changes over time. Signal changes are commonly used in OA research as surrogate markers for synovitis but are non-specific findings. CONCLUSIONS Quantitative approaches to evaluate 3D parameters of Hoffa's fat pad are increasingly applied and their role in regard to structural progression and clinical manifestations of disease needs to be further elucidated. In applying such approaches, knowledge of the detailed anatomy and potential pitfalls that may be a result of anatomical variants, inflammatory disease manifestations and additional diverse pathologies encountered seems to be paramount.
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97
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Han W, Aitken D, Zhu Z, Halliday A, Wang X, Antony B, Cicuttini F, Jones G, Ding C. Signal intensity alteration in the infrapatellar fat pad at baseline for the prediction of knee symptoms and structure in older adults: a cohort study. Ann Rheum Dis 2015; 75:1783-8. [PMID: 26612337 DOI: 10.1136/annrheumdis-2015-208360] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Accepted: 11/01/2015] [Indexed: 12/29/2022]
Abstract
OBJECTIVE To describe the associations between infrapatellar fat pad (IPFP) signal intensity alteration at baseline and knee symptoms and structural changes in older adults. METHODS A total of 874 subjects (mean 62.1 years, 50.1% female) selected randomly from local community were studied at baseline and 770 were followed up (only 357 had MRI at follow-up) over 2.6 years. T1-weighted or T2-weighted fat suppressed MRI was used to assess IPFP signal intensity alteration (0-3), cartilage volume, cartilage defects and bone marrow lesions (BMLs) at baseline and 2.6 years later. Knee pain was assessed by self-administered Western Ontario and McMaster Osteoarthritis Index questionnaire. Radiographic osteoarthritis (OA) was assessed. RESULTS In cross-sectional analyses, IPFP signal intensity alteration was significantly and positively associated with total knee pain as well as knee cartilage defects, BMLs and knee radiographic OA and negatively associated with patellar cartilage volume after adjustment for age, sex, body mass index and/or radiographic OA. Longitudinally, baseline signal intensity alteration within IPFP was significantly and positively associated with increases in knee pain when going upstairs/downstairs as well as increases in tibiofemoral cartilage defects and BMLs, and negatively associated with change in lateral tibial cartilage volume in multivariable analyses. CONCLUSIONS IPFP signal intensity alteration at baseline was associated with knee structural abnormalities and clinical symptoms cross-sectionally and longitudinally in older adults, suggesting that it may serve as an important imaging biomarker in knee OA.
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Affiliation(s)
- Weiyu Han
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia Department of Orthopaedics, 3rd Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Dawn Aitken
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Zhaohua Zhu
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Andrew Halliday
- Department of Radiology, Royal Hobart Hospital, Hobart, Tasmania, Australia
| | - Xia Wang
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Benny Antony
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Flavia Cicuttini
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia
| | - Graeme Jones
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Changhai Ding
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia Arthritis Research Institute, 1st Affiliated Hospital, Anhui Medical University, Hefei, Anhui, China
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98
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Deligne C, Casulli S, Pigenet A, Bougault C, Campillo-Gimenez L, Nourissat G, Berenbaum F, Elbim C, Houard X. Differential expression of interleukin-17 and interleukin-22 in inflamed and non-inflamed synovium from osteoarthritis patients. Osteoarthritis Cartilage 2015; 23:1843-52. [PMID: 26521730 DOI: 10.1016/j.joca.2014.12.007] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 11/05/2014] [Accepted: 12/04/2014] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Synovitis associated with osteoarthritis (OA) is directly responsible for several clinical symptoms and reflects OA's structural progression. This study sought to analyze the expression of proinflammatory mediations, including Interleukin (IL)-17 and IL-22, which play key roles in regulating inflammatory processes, in inflamed and non-inflamed areas of osteoarthritic synovium. METHODS Synovium from knees of 32 OA patients were collected at surgery. Macroscopic evaluation of inflammation enabled inflamed and non-inflamed areas to be separated. Samples were incubated to obtain tissue-conditioned media. Quantitative mRNA expression of proinflammatory mediators was analyzed by RT-PCR and protein levels by ELISA and gelatin zymography. Immunohistochemistry and histology were performed. RESULTS Inflamed synovium were characterized by increased leukocyte infiltration and a higher vessel-to-tissue area ratio than non-inflamed tissues. Macrophages, T and B lymphocytes, and some neutrophils were found only in the inflamed tissue, and only in the subintimal layer. Levels of proinflammatory cytokines and MMP-9 were significantly higher in tissue-conditioned media from inflamed than non-inflamed tissues. Inflamed areas were associated with higher expression of IL-17 and IL-22, both correlated with the combined release of IL-6, IL-23, and TGFβ1. CONCLUSION Our results showed that inflammatory cytokines, including IL-17 and IL-22, are expressed at higher levels by inflamed OA synovium and suggest IL-22 involvement in OA pathophysiology. This study will help identify new therapeutic strategies for OA, especially the targeting of IL-22 to decrease inflammation.
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Affiliation(s)
- C Deligne
- Sorbonne University, UPMC Univ Paris 06, UMR_S 938, F-75005 Paris, France; INSERM UMR_S938, UPMC Univ Paris 06, F-75012 Paris, France; Inflammation-Immunopathology-Biotherapy Department (DHU i2B), 184 rue du Faubourg Saint-Antoine, F-75012 Paris, France
| | - S Casulli
- Sorbonne University, UPMC Univ Paris 06, UMR_S 938, F-75005 Paris, France; INSERM UMR_S938, UPMC Univ Paris 06, F-75012 Paris, France
| | - A Pigenet
- Sorbonne University, UPMC Univ Paris 06, UMR_S 938, F-75005 Paris, France; INSERM UMR_S938, UPMC Univ Paris 06, F-75012 Paris, France; Inflammation-Immunopathology-Biotherapy Department (DHU i2B), 184 rue du Faubourg Saint-Antoine, F-75012 Paris, France
| | - C Bougault
- Sorbonne University, UPMC Univ Paris 06, UMR_S 938, F-75005 Paris, France; INSERM UMR_S938, UPMC Univ Paris 06, F-75012 Paris, France; Inflammation-Immunopathology-Biotherapy Department (DHU i2B), 184 rue du Faubourg Saint-Antoine, F-75012 Paris, France
| | - L Campillo-Gimenez
- Sorbonne University, UPMC Univ Paris 06, UMR_S 938, F-75005 Paris, France; INSERM UMR_S938, UPMC Univ Paris 06, F-75012 Paris, France
| | - G Nourissat
- Sorbonne University, UPMC Univ Paris 06, UMR_S 938, F-75005 Paris, France; INSERM UMR_S938, UPMC Univ Paris 06, F-75012 Paris, France; Inflammation-Immunopathology-Biotherapy Department (DHU i2B), 184 rue du Faubourg Saint-Antoine, F-75012 Paris, France; Department of Orthopaedic Surgery and Traumatology, Assistance Publique - Hôpitaux de Paris, Saint-Antoine Hospital, 184 rue du Faubourg Saint-Antoine, F-75012 Paris, France
| | - F Berenbaum
- Sorbonne University, UPMC Univ Paris 06, UMR_S 938, F-75005 Paris, France; INSERM UMR_S938, UPMC Univ Paris 06, F-75012 Paris, France; Inflammation-Immunopathology-Biotherapy Department (DHU i2B), 184 rue du Faubourg Saint-Antoine, F-75012 Paris, France; Department of Rheumatology, Assistance Publique - Hôpitaux de Paris, Saint-Antoine Hospital, 184 rue du Faubourg Saint-Antoine, F-75012 Paris, France.
| | - C Elbim
- Sorbonne University, UPMC Univ Paris 06, UMR_S 938, F-75005 Paris, France; INSERM UMR_S938, UPMC Univ Paris 06, F-75012 Paris, France
| | - X Houard
- Sorbonne University, UPMC Univ Paris 06, UMR_S 938, F-75005 Paris, France; INSERM UMR_S938, UPMC Univ Paris 06, F-75012 Paris, France; Inflammation-Immunopathology-Biotherapy Department (DHU i2B), 184 rue du Faubourg Saint-Antoine, F-75012 Paris, France
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99
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Upregulated expression of CCR3 in osteoarthritis and CCR3 mediated activation of fibroblast-like synoviocytes. Cytokine 2015; 77:211-9. [PMID: 26409848 DOI: 10.1016/j.cyto.2015.09.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Revised: 09/14/2015] [Accepted: 09/14/2015] [Indexed: 11/21/2022]
Abstract
OBJECTIVES Upregulated expression of CC chemokine receptor (CCR)3 was observed in osteoarthritis (OA) cartilage and chondrocytes, but expression of CCR3 on synovial tissue of OA remains unknown. Fibroblast-like synoviocyte (FLS) invasion in synovium appears one of the features of OA, but expression and function of CCR3 on FLS remain uninvestigated. We therefore explored them in the present study. METHODS Enzymatically dispersed synovial tissue cells were analyzed by flowcytometry. Primary cultured FLS isolated from OA synovium were challenged and the expression of CCR3, eotaxin-1 and matrix metalloproteinase (MMP)-9 was determined by quantitative real-time PCR (qPCR) and ELISA. RESULTS Approximately 4.5% dispersed OA synovial tissue cells are CCR3+ cells. Among them, 58.4% cells are CD90+CD14-CD3- cells (representing FLS) and 36.7% are CD8+ cells, indicating that FLS are major population of CCR3+ cells in the synovial tissue. Levels of eotaxin-1 and MMP-9 in OA synovial fluid (SF) were greater than that in OA plasma and in healthy control (HC) plasma. Eotaxin-1 induced up to 5.8 and 7.2-fold increases in the expression of MMP-9 mRNA and protein, respectively following 12h incubation with FLS, which was inhibited by antagonist of CCR3 SB328437 and an inhibitor of ERK U0126, indicating that action of eotaxin-1 on FLS seemed via CCR3 and ERK signaling pathway. IL-1β and TNF-α was found to elicit release of eotaxin-1 from OA FLS. CONCLUSION FLS via eotaxin-1 and its receptor CCR3 plays an important role in the pathogenesis of OA, which strengthen the concept that OA is likely an inflammation related disease.
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100
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Gómez R, Villalvilla A, Largo R, Gualillo O, Herrero-Beaumont G. TLR4 signalling in osteoarthritis—finding targets for candidate DMOADs. Nat Rev Rheumatol 2014; 11:159-70. [DOI: 10.1038/nrrheum.2014.209] [Citation(s) in RCA: 149] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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