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Liu Y, Song F, Liu M, Huang X, Xue S, Zhang X, Hao H, Zhang J. Association between omega-3 polyunsaturated fatty acids and osteoarthritis: results from the NHANES 2003-2016 and Mendelian randomization study. Lipids Health Dis 2024; 23:147. [PMID: 38760818 PMCID: PMC11100232 DOI: 10.1186/s12944-024-02139-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 05/08/2024] [Indexed: 05/19/2024] Open
Abstract
BACKGROUND Omega-3 polyunsaturated fatty acids (omega-3 PUFAs) exhibit potential as therapeutics for a variety of diseases. This observational and Mendelian randomization (MR) study aims to explore the relationship between omega-3 PUFAs and osteoarthritis (OA). METHODS Excluding individuals under 20 years old and those with missing data on relevant variables in the National Health and Nutrition Examination Survey (NHANES) spanning from 2003 to 2016, a total of 22 834 participants were included in this cross-sectional study. Weighted multivariable-adjusted logistic regression was used to estimate the association between omega-3 PUFAs and OA in adults. Moreover, restricted cubic splines were utilized to examine the dose-response relationship between omega-3 PUFAs and OA. To further investigate the potential causal relationship between omega-3 PUFAs and OA risk, a two-sample MR study was conducted. Furthermore, the robustness of the findings was assessed using various methods. RESULTS Omega-3 PUFAs intake were inversely associated with OA in adults aged 40 ∼ 59 after multivariable adjustment [Formula: see text], with a nonlinear relationship observed between omega-3 PUFAs intake and OA [Formula: see text]. The IVW results showed there was no evidence to suggest a causal relationship between omega-3 PUFAs and OA risk [Formula: see text]. CONCLUSIONS Omega-3 PUFAs were inversely associated with OA in adults aged 40 ∼ 59. However, MR studies did not confirm a causal relationship between the two.
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Affiliation(s)
- Yuxuan Liu
- School of Management, Shanxi Medical University, Jinzhong, China
| | - Feichao Song
- School of Management, Shanxi Medical University, Jinzhong, China
| | - Muchun Liu
- Academy of Medical Sciences, Shanxi Medical University, Taiyuan, China
| | - Xi Huang
- Academy of Medical Sciences, Shanxi Medical University, Taiyuan, China
| | - Shuyan Xue
- Third Clinical College, Shanxi University of Traditional Chinese Medicine, Jinzhong, China
| | - Xuanyu Zhang
- School of Management, Shanxi Medical University, Jinzhong, China
| | - Huiqin Hao
- School of Basic Medicine, Shanxi University of Traditional Chinese Medicine, Jinzhong, China
| | - Junfeng Zhang
- School of Management, Shanxi Medical University, Jinzhong, China.
- School of Basic Medicine, Shanxi University of Traditional Chinese Medicine, Jinzhong, China.
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Calabrese EJ, Pressman P, Hayes AW, Kapoor R, Dhawan G, Agathokleous E, Calabrese V. Taurine induces hormesis in multiple biological models: May have transformative implications for overall societal health. Chem Biol Interact 2024; 392:110930. [PMID: 38432405 DOI: 10.1016/j.cbi.2024.110930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/14/2024] [Accepted: 02/22/2024] [Indexed: 03/05/2024]
Abstract
This paper represents the first integrative assessment and documentation of taurine-induced hormetic effects in the biological and biomedical areas, their dose response features, mechanistic frameworks, and possible public health, therapeutic and commercial applications. Taurine-induced hormetic effects are documented in a wide range of experimental models, cell types and for numerous biological endpoints, with most of these experimental findings being reported within the past five years. It is suggested that the concept of hormesis may have a transformative effect on taurine research and its public health and therapeutic applications.
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Affiliation(s)
- Edward J Calabrese
- School of Public Health and Health Sciences, Department of Environmental Health, Morrill I-N344, University of Massachusetts, Amherst, MA, 01003, USA.
| | - Peter Pressman
- University of Maine, 5728 Fernald Hall, Room 201, Orono, ME, 04469, USA.
| | - A Wallace Hayes
- Center for Environmental Occupational Risk Analysis and Management, College of Public Health, University of South Florida, Tampa, FL, USA.
| | - Rachna Kapoor
- Saint Francis Hospital and Medical Center, Hartford, CT, USA.
| | - Gaurav Dhawan
- Sri Guru Ram Das (SGRD), University of Health Sciences, Amritsar, India.
| | - Evgenios Agathokleous
- School of Ecology and Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China.
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, School of Medicine University of Catania, Via Santa Sofia 97, Catania, 95123, Italy.
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3
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Orchard T, McLaughlin E, Winschel T, Shadyab A, Laddu D, Vitolins M, Constantinescu F, Jackson R. Fatty Acid Intake and Polyunsaturated Fatty Acid Biomarkers and Risk of Total Knee or Hip Arthroplasty Among Older Women in the Women's Health Initiative. Arthritis Care Res (Hoboken) 2024. [PMID: 38412867 DOI: 10.1002/acr.25319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 01/23/2024] [Accepted: 02/23/2024] [Indexed: 02/29/2024]
Abstract
OBJECTIVE The objective was to determine whether baseline fatty acid intake and erythrocyte omega-3 and omega-6 polyunsaturated fatty acids (PUFAs) can predict risk of total hip arthroplasty (THA) and total knee arthroplasty (TKA) in older women. METHODS This was a prospective analysis of 34,990 women in the Women's Health Initiative. Dietary fatty acids were estimated from food frequency questionnaires. Imputed erythrocyte PUFAs were available in a subcohort of 3,428 women. Arthroplasty (THA and TKA), used as a surrogate of severe osteoarthritis, was identified via linked Medicare data. Cox proportional hazards models were constructed to estimate risk of arthroplasty. RESULTS Risk of THA was associated with higher intake of arachidonic acid, (multivariable hazard ratio [HR] quartile 4 [Q4] vs Q1: 1.16; 95% confidence interval [CI] 1.01-1.34; P = 0.03) and higher intake of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA; HR Q4 vs Q1: 1.20; 95% CI 1.05-1.39; P = 0.003). There was a linear trend (P = 0.04) for patients to have a higher risk of THA with higher erythrocyte EPA and DHA in body mass index-adjusted models; however, there was no significant difference in patients who had THAs by quartiles of erythrocyte EPA and DHA (P = 0.10). Dietary fatty acids and erythrocyte PUFAs were not significantly associated with risk of TKA. CONCLUSION Higher baseline intakes of arachidonic acid and EPA and DHA were associated with a modestly higher risk of THA. No association was found between fatty acids and patients who had TKAs. Further research in populations with direct measures of osteoarthritis severity is needed to better understand the importance of PUFAs in modulating osteoarthritis and arthroplasty risk.
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Affiliation(s)
| | | | | | | | - Deepika Laddu
- Arbor Research Collaborative for Health, Ann Arbor, Michigan
| | - Mara Vitolins
- Wake Forest University, Winston-Salem, North Carolina
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4
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Deng C, Presle N, Pizard A, Guillaume C, Bianchi A, Kempf H. Beneficial Impact of Eicosapentaenoic Acid on the Adverse Effects Induced by Palmitate and Hyperglycemia on Healthy Rat Chondrocyte. Int J Mol Sci 2024; 25:1810. [PMID: 38339087 PMCID: PMC10855847 DOI: 10.3390/ijms25031810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/18/2024] [Accepted: 01/28/2024] [Indexed: 02/12/2024] Open
Abstract
Osteoarthritis (OA) is the most prevalent form of arthritis and a major cause of pain and disability. The pathology of OA involves the whole joint in an inflammatory and degenerative process, especially in articular cartilage. OA may be divided into distinguishable phenotypes including one associated with the metabolic syndrome (MetS) of which dyslipidemia and hyperglycemia have been individually linked to OA. Since their combined role in OA pathogenesis remains to be elucidated, we investigated the chondrocyte response to these metabolic stresses, and determined whether a n-3 polyunsaturated fatty acid (PUFA), i.e., eicosapentaenoic acid (EPA), may preserve chondrocyte functions. Rat chondrocytes were cultured with palmitic acid (PA) and/or EPA in normal or high glucose conditions. The expression of genes encoding proteins found in cartilage matrix (type 2 collagen and aggrecan) or involved in degenerative (metalloproteinases, MMPs) or in inflammatory (cyclooxygenase-2, COX-2 and microsomal prostaglandin E synthase, mPGES) processes was analyzed by qPCR. Prostaglandin E2 (PGE2) release was also evaluated by an enzyme-linked immunosorbent assay. Our data indicated that PA dose-dependently up-regulated the mRNA expression of MMP-3 and -13. PA also induced the expression of COX-2 and mPGES and promoted the synthesis of PGE2. Glucose at high concentrations further increased the chondrocyte response to PA. Interestingly, EPA suppressed the inflammatory effects of PA and glucose, and strongly reduced MMP-13 expression. Among the free fatty acid receptors (FFARs), FFAR4 partly mediated the EPA effects and the activation of FFAR1 markedly reduced the inflammatory effects of PA in high glucose conditions. Our findings demonstrate that dyslipidemia associated with hyperglycemia may contribute to OA pathogenesis and explains why an excess of saturated fatty acids and a low level in n-3 PUFAs may disrupt cartilage homeostasis.
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Affiliation(s)
- Chaohua Deng
- UMR 7365 CNRS-Université de Lorraine, Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), Biopôle de l’Université de Lorraine, 54500 Vandoeuvre-les-Nancy, France; (C.D.); (N.P.); (C.G.); (H.K.)
- Department of Ophthalmology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Nathalie Presle
- UMR 7365 CNRS-Université de Lorraine, Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), Biopôle de l’Université de Lorraine, 54500 Vandoeuvre-les-Nancy, France; (C.D.); (N.P.); (C.G.); (H.K.)
| | - Anne Pizard
- INSERM U955, Institut Mondor de Recherche Biomédicale (IMRB), Université Paris-Est-Créteil (UPEC), 94010 Créteil, France;
| | - Cécile Guillaume
- UMR 7365 CNRS-Université de Lorraine, Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), Biopôle de l’Université de Lorraine, 54500 Vandoeuvre-les-Nancy, France; (C.D.); (N.P.); (C.G.); (H.K.)
| | - Arnaud Bianchi
- UMR 7365 CNRS-Université de Lorraine, Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), Biopôle de l’Université de Lorraine, 54500 Vandoeuvre-les-Nancy, France; (C.D.); (N.P.); (C.G.); (H.K.)
| | - Hervé Kempf
- UMR 7365 CNRS-Université de Lorraine, Ingénierie Moléculaire et Physiopathologie Articulaire (IMoPA), Biopôle de l’Université de Lorraine, 54500 Vandoeuvre-les-Nancy, France; (C.D.); (N.P.); (C.G.); (H.K.)
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Luján-Amoraga L, Delgado-Martín B, Lourenço-Marques C, Gavaia PJ, Bravo J, Bandarra NM, Dominguez D, Izquierdo MS, Pousão-Ferreira P, Ribeiro L. Exploring Omega-3's Impact on the Expression of Bone-Related Genes in Meagre ( Argyrosomus regius). Biomolecules 2023; 14:56. [PMID: 38254657 PMCID: PMC10813611 DOI: 10.3390/biom14010056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/20/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
Dietary supplementation with Omega-3 fatty acids seems to promote skeletal health. Therefore, their consumption at imbalanced or excessive levels has offered less beneficial or even prejudicial effects. Fish produced in aquaculture regimes are prone to develop abnormal skeletons. Although larval cultures are usually fed with diets supplemented with Omega-3 Long Chain Polyunsaturated fatty acids (LC-PUFAs), the lack of knowledge about the optimal requirements for fatty acids or about their impact on mechanisms that regulate skeletal development has impeded the design of diets that could improve bone formation during larval stages when the majority of skeletal anomalies appear. In this study, Argyrosomus regius larvae were fed different levels of Omega-3s (2.6% and 3.6% DW on diet) compared to a commercial diet. At 28 days after hatching (DAH), their transcriptomes were analyzed to study the modulation exerted in gene expression dynamics during larval development and identify impacted genes that can contribute to skeletal formation. Mainly, both levels of supplementation modulated bone-cell proliferation, the synthesis of bone components such as the extracellular matrix, and molecules involved in the interaction and signaling between bone components or in important cellular processes. The 2.6% level impacted several genes related to cartilage development, denoting a special impact on endochondral ossification, delaying this process. However, the 3.6% level seemed to accelerate this process by enhancing skeletal development. These results offered important insights into the impact of dietary Omega-3 LC-PUFAs on genes involved in the main molecular mechanism and cellular processes involved in skeletal development.
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Affiliation(s)
- Leticia Luján-Amoraga
- Aquaculture Research Station (EPPO), Portuguese Institute for the Ocean and Atmosphere (IPMA), 8700-194 Olhão, Portugal; (L.L.-A.); (C.L.-M.); (P.P.-F.)
| | - Belén Delgado-Martín
- Department of Microbiology and Crop Protection, Institute of Subtropical and Mediterranean Horticulture (IHSM-UMA-CSIC), 29010 Malaga, Spain;
| | - Cátia Lourenço-Marques
- Aquaculture Research Station (EPPO), Portuguese Institute for the Ocean and Atmosphere (IPMA), 8700-194 Olhão, Portugal; (L.L.-A.); (C.L.-M.); (P.P.-F.)
- Collaborative Laboratory on Sustainable and Smart Aquaculture (S2AQUACOLAB) Av. Parque Natural da Ria Formosa s/n, 8700-194 Olhão, Portugal
| | - Paulo J. Gavaia
- Centre of Marine Sciences (CCMAR), University of Algarve (UALG), 8005-139 Faro, Portugal;
| | - Jimena Bravo
- Aquaculture Research Group (GIA), University of Las Palmas de Gran Canaria (ULPGC) Crta. Taliarte s/n, 35214 Telde, Spain; (J.B.); (D.D.); (M.S.I.)
| | - Narcisa M. Bandarra
- Division of Aquaculture, Upgrading, and Bioprospection (DivAV), Portuguese Institute for the Sea and Atmosphere (IPMA, IP), Rua Alfredo Magalhães Ramalho, 7, 1495-006 Lisbon, Portugal;
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Rua dos Bragas 289, 4050-123 Porto, Portugal
| | - David Dominguez
- Aquaculture Research Group (GIA), University of Las Palmas de Gran Canaria (ULPGC) Crta. Taliarte s/n, 35214 Telde, Spain; (J.B.); (D.D.); (M.S.I.)
| | - Marisol S. Izquierdo
- Aquaculture Research Group (GIA), University of Las Palmas de Gran Canaria (ULPGC) Crta. Taliarte s/n, 35214 Telde, Spain; (J.B.); (D.D.); (M.S.I.)
| | - Pedro Pousão-Ferreira
- Aquaculture Research Station (EPPO), Portuguese Institute for the Ocean and Atmosphere (IPMA), 8700-194 Olhão, Portugal; (L.L.-A.); (C.L.-M.); (P.P.-F.)
- Collaborative Laboratory on Sustainable and Smart Aquaculture (S2AQUACOLAB) Av. Parque Natural da Ria Formosa s/n, 8700-194 Olhão, Portugal
| | - Laura Ribeiro
- Aquaculture Research Station (EPPO), Portuguese Institute for the Ocean and Atmosphere (IPMA), 8700-194 Olhão, Portugal; (L.L.-A.); (C.L.-M.); (P.P.-F.)
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6
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Bauer C, Moser LB, Kern D, Jeyakumar V, Nehrer S. The Combination of Glucocorticoids and Hyaluronic Acid Enhances Efficacy in IL-1β/IL-17-Treated Bovine Osteochondral Grafts Compared with Individual Application. Int J Mol Sci 2023; 24:14338. [PMID: 37762639 PMCID: PMC10531904 DOI: 10.3390/ijms241814338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Patients with knee osteoarthritis often receive glucocorticoid (GC) or hyaluronic acid (HA) injections to alleviate symptoms. This study evaluated the impact of Triamcinolone Hexacetonide (a GC), HA, and a combination of both on bovine osteochondral grafts exposed to IL-1β and IL-17 in an ex vivo culture. Metabolic activity increased with GC treatment. GCs and GCs/HA counteracted cytokine effects, with gene expressions similar to untreated controls, while HA alone did not. However, HA improved the coefficient of friction after two weeks. The highest friction values were observed in GC-containing and cytokine-treated groups. Cytokine treatment reduced tissue proteoglycan content, which HA could mitigate, especially in the GC/HA combination. This combo also effectively controlled proteoglycan release, supported by reduced sGAG release. Cytokine treatment led to surface cell death, while GCs, HA, or their combination showed protective effects against inflammation. The GC/HA combination had the best overall results, suggesting its potential as a superior treatment option for osteoarthritis.
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Affiliation(s)
- Christoph Bauer
- Center for Regenerative Medicine, University for Continuing Education Krems, 3500 Krems, Austria
| | - Lukas B. Moser
- Department of Orthopedics, University Hospital Krems, 3500 Krems, Austria
| | - Daniela Kern
- Center for Regenerative Medicine, University for Continuing Education Krems, 3500 Krems, Austria
| | - Vivek Jeyakumar
- Center for Regenerative Medicine, University for Continuing Education Krems, 3500 Krems, Austria
| | - Stefan Nehrer
- Center for Regenerative Medicine, University for Continuing Education Krems, 3500 Krems, Austria
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Hill WS, Dohnalek MH, Ha Y, Kim SJ, Jung JC, Kang SB. A Multicenter, Randomized, Double-Blinded, Placebo-Controlled Clinical Trial to Evaluate the Efficacy and Safety of a Krill Oil, Astaxanthin, and Oral Hyaluronic Acid Complex on Joint Health in People with Mild Osteoarthritis. Nutrients 2023; 15:3769. [PMID: 37686801 PMCID: PMC10490060 DOI: 10.3390/nu15173769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/14/2023] [Accepted: 08/21/2023] [Indexed: 09/10/2023] Open
Abstract
Osteoarthritis is a significant global health problem. Many patients seek more effective alternatives to nonsteroidal anti-inflammatory medicines or commercial supplements to manage joint pain and inflammation. FlexPro MD® (FP-MD) combines krill oil, astaxanthin, and lower molecular weight hyaluronic acid to support joint health. A 12-week, randomized, double-blind, placebo-controlled trial compared the efficacy and safety of FP-MD and placebo once daily in participants (n = 100) with mild osteoarthritis of the knee or hip joint. For the primary endpoint of joint pain score, per-protocol participants (n = 75) in the FP-MD group (n = 37) had a statistically significantly greater mean reduction from baseline in the Korean Visual Analog Scale (K-VAS) at week 12 compared with participants in the placebo group (n = 38) (20.8 ± 16.16 mm vs. 10.6 ± 17.58, p = 0.0105). The Korean Western Ontario and McMaster Universities Osteoarthritis Index (K-WOMAC) total score was also significantly improved in the FP-MD group at week 12 compared with placebo (-13.0 ± 13.62 vs. -5.5 ± 18.08, p = 0.0489), especially an improvement in pain score (-2.5 ± 2.92 vs. -1.3 ± 3.94, p = 0.02635). FP-MD group had greater improvement in joint function scoring by investigator assessment (p = 0.0127) and by group participants (p = 0.0070). A statistically significantly greater number of patients reported adverse events in the placebo group compared with the FP-MD group (16% vs. 4%, p = 0.0455), most commonly gastrointestinal disorders in both of the groups. These findings suggest that FP-MD is well tolerated and can be effectively used to address joint pain in patients diagnosed with mild osteoarthritis, the main symptom of this condition.
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Affiliation(s)
- W. Stephen Hill
- US Nutraceuticals, Inc. d/b/a Valensa International, Eustis, FL 32726, USA; (W.S.H.); (M.H.D.)
| | - Margaret H. Dohnalek
- US Nutraceuticals, Inc. d/b/a Valensa International, Eustis, FL 32726, USA; (W.S.H.); (M.H.D.)
| | - Yejin Ha
- NOVAREX Co., Ltd., 80, Osongsaengmyeong 14-ro, Osong-eup, Chueongju-si 28220, Republic of Korea;
| | - Seok-Jung Kim
- Department of Orthopedic Surgery, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Cheonbo-ro, Uijeongbu-si 11765, Republic of Korea;
| | - Jae-Chul Jung
- NOVAREX Co., Ltd., 80, Osongsaengmyeong 14-ro, Osong-eup, Chueongju-si 28220, Republic of Korea;
| | - Seung-Baik Kang
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Boramae Hospital, Seoul 07061, Republic of Korea
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Yu H, Gong Z, Wang G, Cao R, Yin H, Ma L, Guo A. DHA attenuates cartilage degeneration by mediating apoptosis and autophagy in human chondrocytes and rat models of osteoarthritis. In Vitro Cell Dev Biol Anim 2023; 59:455-466. [PMID: 37450265 DOI: 10.1007/s11626-023-00781-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 07/03/2023] [Indexed: 07/18/2023]
Abstract
Osteoarthritis (OA) is a degenerative joint disease that usually occurs in the elderly, and docosahexaenoic acid (DHA) plays a therapeutic role in cardiovascular disease, diabetes, and rheumatoid arthritis (RA) with its anti-inflammatory and antioxidant effects. The objective of this study is to investigate the effect and mechanism of DHA on hypertrophic differentiation and senescence of OA chondrocytes to provide a theoretical basis for the effect of OA clinical treatment. A human OA chondrocyte model was established by IL-1β, and a rat model of OA was established by anterior cruciate ligament (ACL) transection and medial meniscectomy. The result showed DHA promoted chondrocyte proliferation and reduced apoptosis. Transmission electron microscopy (TEM) analysis showed that there were more autophagosomes in the cytoplasm under the treatment of DHA. Compared to the OA group, samples from the OA + DHA group showed thickened cartilage, reduced degeneration, and an increased rate of collagen II-positive cells, while the Mankin score was significantly lower. In addition, DHA decreased the expression of phosphorylated mammalian target of rapamycin (p-mTOR) and the ratio of light chain 3-I/II (LC3-I/II) and increased the expression of Beclin-1 and Bcl-2 measured by western blot analysis. Therefore, DHA promotes chondrocyte proliferation, reduces apoptosis, and increases autophagy in OA chondrocytes, a process that is accomplished by inhibiting the expression of mTOR, c-Jun N-terminal kinase (JNK), and p38 signaling pathways, providing new perspectives and bootstrap points for the prevention and treatment of OA.
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Affiliation(s)
- Haomiao Yu
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Yongan Road 95, Xicheng Distinct, Beijing, 100050, People's Republic of China
| | - Zishun Gong
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Yongan Road 95, Xicheng Distinct, Beijing, 100050, People's Republic of China
| | - Guodong Wang
- Department of Orthopaedics, Beijing Tongren Hospital, Capital Medical University, Beijing, China
| | - Ruiqi Cao
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Yongan Road 95, Xicheng Distinct, Beijing, 100050, People's Republic of China
| | - Heyong Yin
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Yongan Road 95, Xicheng Distinct, Beijing, 100050, People's Republic of China
| | - Lifeng Ma
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Yongan Road 95, Xicheng Distinct, Beijing, 100050, People's Republic of China.
| | - Ai Guo
- Department of Orthopaedics, Beijing Friendship Hospital, Capital Medical University, Yongan Road 95, Xicheng Distinct, Beijing, 100050, People's Republic of China.
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Gambari L, Cellamare A, Grassi F, Grigolo B, Panciera A, Ruffilli A, Faldini C, Desando G. Targeting the Inflammatory Hallmarks of Obesity-Associated Osteoarthritis: Towards Nutraceutical-Oriented Preventive and Complementary Therapeutic Strategies Based on n-3 Polyunsaturated Fatty Acids. Int J Mol Sci 2023; 24:ijms24119340. [PMID: 37298291 DOI: 10.3390/ijms24119340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 05/15/2023] [Accepted: 05/23/2023] [Indexed: 06/12/2023] Open
Abstract
Obesity (Ob), which has dramatically increased in the last decade, is one of the main risk factors that contribute to the incidence and progression of osteoarthritis (OA). Targeting the characteristics of obesity-associated osteoarthritis (ObOA) may offer new chances for precision medicine strategies in this patient cohort. First, this review outlines how the medical perspective of ObOA has shifted from a focus on biomechanics to the significant contribution of inflammation, mainly mediated by changes in the adipose tissue metabolism through the release of adipokines and the modification of fatty acid (FA) compositions in joint tissues. Preclinical and clinical studies on n-3 polyunsaturated FAs (PUFAs) are critically reviewed to outline the strengths and weaknesses of n-3 PUFAs' role in alleviating inflammatory, catabolic and painful processes. Emphasis is placed on potential preventive and therapeutic nutritional strategies based on n-3 PUFAs, with a focus on ObOA patients who could specifically benefit from reformulating the dietary composition of FAs towards a protective phenotype. Finally, tissue engineering approaches that involve the delivery of n-3 PUFAs directly into the joint are explored to address the perspectives and current limitations, such as safety and stability issues, for implementing preventive and therapeutic strategies based on dietary compounds in ObOA patients.
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Affiliation(s)
- Laura Gambari
- Laboratorio Ramses, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy
| | - Antonella Cellamare
- Laboratorio Ramses, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy
| | - Francesco Grassi
- Laboratorio Ramses, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy
| | - Brunella Grigolo
- Laboratorio Ramses, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy
| | - Alessandro Panciera
- 1st Orthopedic and Traumatology Clinic, IRCCS Istituto Ortopedico Rizzoli, via G.C. Pupilli 1, 40136 Bologna, Italy
| | - Alberto Ruffilli
- 1st Orthopedic and Traumatology Clinic, IRCCS Istituto Ortopedico Rizzoli, via G.C. Pupilli 1, 40136 Bologna, Italy
| | - Cesare Faldini
- 1st Orthopedic and Traumatology Clinic, IRCCS Istituto Ortopedico Rizzoli, via G.C. Pupilli 1, 40136 Bologna, Italy
| | - Giovanna Desando
- Laboratorio Ramses, IRCCS Istituto Ortopedico Rizzoli, via di Barbiano 1/10, 40136 Bologna, Italy
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Maqbool M, Fekadu G, Jiang X, Bekele F, Tolossa T, Turi E, Fetensa G, Fanta K. An up to date on clinical prospects and management of osteoarthritis. Ann Med Surg (Lond) 2021; 72:103077. [PMID: 34868573 PMCID: PMC8626656 DOI: 10.1016/j.amsu.2021.103077] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 11/14/2021] [Accepted: 11/16/2021] [Indexed: 12/19/2022] Open
Abstract
The rising prevalence of osteoarthritis (OA) in the general population has necessitated the development of novel treatment options. It is critical to recognize the joint as a separate entity participating in degenerative processes, as well as the multifaceted nature of OA. OA is incurable because there is currently no medication that can stop or reverse cartilage or bone loss. As this point of view has attracted attention, more research is being directed toward determining how the various joint components are impacted and how they contribute to OA pathogenesis. Over the next few years, several prospective therapies focusing on inflammation, cartilage metabolism, subchondral bone remodelling, cellular senescence, and the peripheral nociceptive pathway are predicted to transform the OA therapy landscape. Stem cell therapies and the use of various biomaterials to target articular cartilage (AC) and osteochondral tissues are now being investigated in considerable detail. Currently, laboratory-made cartilage tissues are on the verge of being used in clinical settings. This review focuses on the update of clinical prospects and management of osteoarthritis, as well as future possibilities for the treatment of OA. Osteoarthritis (OA) is a general term that incorporates several different joint diseases. The exact pathophysiology of OA remains unclear. OA is incurable because there is currently no medication that can stop or reverse cartilage or bone loss. Nonsteroidal anti-inflammatory drugs are the most frequently prescribed medications to alleviate arthritic discomfort. Stem cell therapies to target articular cartilage and osteochondral tissues are now under investigation.
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Affiliation(s)
- Mudasir Maqbool
- Department of Pharmaceutical Sciences, University of Kashmir, Hazratbal Srinagar, 190006, Jammu and Kashmir, India
| | - Ginenus Fekadu
- School of Pharmacy, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T, Hong Kong.,School of Pharmacy, Institute of Health Sciences, Wollega University, Nekemte, Ethiopia
| | - Xinchan Jiang
- School of Pharmacy, Faculty of Medicine, The Chinese University of Hong Kong, Shatin, N.T, Hong Kong
| | - Firomsa Bekele
- Department of Pharmacy, College of Health Science, Mettu University, Mettu, Ethiopia
| | - Tadesse Tolossa
- Department of Public Health, Institute of Health Sciences, Wollega University, Nekemte, Ethiopia
| | - Ebisa Turi
- Department of Public Health, Institute of Health Sciences, Wollega University, Nekemte, Ethiopia
| | - Getahun Fetensa
- School of Nursing and Midwifery, Institute of Health Sciences, Wollega University, Nekemte, Ethiopia
| | - Korinan Fanta
- School of Pharmacy, Institute of Health Science, Jimma University, Jimma, Ethiopia
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11
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Abshirini M, Ilesanmi-Oyelere BL, Kruger MC. Potential modulatory mechanisms of action by long-chain polyunsaturated fatty acids on bone cell and chondrocyte metabolism. Prog Lipid Res 2021; 83:101113. [PMID: 34217732 DOI: 10.1016/j.plipres.2021.101113] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 06/23/2021] [Accepted: 06/24/2021] [Indexed: 12/31/2022]
Abstract
Long-chain polyunsaturated fatty acids (LCPUFAs) and their metabolites are considered essential factors to support bone and joint health. The n-6 PUFAs suppress the osteoblasts differentiation via increasing peroxisome proliferator-activated receptor gamma (PPARγ) expression and promoting adipogenesis while n-3 PUFAs promote osteoblastogenesis by down-regulating PPARγ and enhancing osteoblastic activity. Arachidonic acid (AA) and its metabolite prostaglandin E2 (PGE2) are key regulators of osteoclast differentiation via induction of the receptor activator of nuclear factor kappa-Β ligand (RANKL) pathway. Marine-derived n-3 LCPUFAs have been shown to inhibit osteoclastogenesis by decreasing the osteoprotegerin (OPG)/RANKL signalling pathway mediated by a reduction of pro-inflammatory PGE2 derived from AA. Omega-3 PUFAs reduce the expression of cartilage degrading enzyme matrix metalloproteinase-13 (MMP-13) and a disintegrin and metalloprotease with thrombospondin motifs-5 (ADAMTS-5) protein, oxidative stress and thereby apoptosis via nuclear factor kappa-betta (NF-kβ) and inducible nitric oxide synthase (iNOS) pathways. In this review, a diverse range of important effects of LCPUFAs on bone cells and chondrocyte was highlighted through different mechanisms of action established by cell cultures and animal studies. This review allows a better understanding of the possible role of LCPUFAs in bone and chondrocyte metabolism as potential therapeutics in combating the pathological complications such as osteoporosis and osteoarthritis.
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Affiliation(s)
- Maryam Abshirini
- School of Health Sciences, College of Health, Massey University, Palmerston North, New Zealand
| | | | - Marlena C Kruger
- School of Health Sciences, College of Health, Massey University, Palmerston North, New Zealand.
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12
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Fatty Acids and Oxylipins in Osteoarthritis and Rheumatoid Arthritis-a Complex Field with Significant Potential for Future Treatments. Curr Rheumatol Rep 2021; 23:41. [PMID: 33913032 PMCID: PMC8081702 DOI: 10.1007/s11926-021-01007-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/23/2021] [Indexed: 02/08/2023]
Abstract
Purpose of Review Osteoarthritis (OA) and rheumatoid arthritis (RA) are characterized by abnormal lipid metabolism manifested as altered fatty acid (FA) profiles of synovial fluid and tissues and in the way dietary FA supplements can influence the symptoms of especially RA. In addition to classic eicosanoids, the potential roles of polyunsaturated FA (PUFA)-derived specialized pro-resolving lipid mediators (SPM) have become the focus of intensive research. Here, we summarize the current state of knowledge of the roles of FA and oxylipins in the degradation or protection of synovial joints. Recent Findings There exists discordance between the large body of literature from cell culture and animal experiments on the adverse and beneficial effects of individual FA and the lack of effective treatments for joint destruction in OA and RA patients. Saturated 16:0 and 18:0 induce mostly deleterious effects, while long-chain n-3 PUFA, especially 20:5n-3, have positive influence on joint health. The situation can be more complex for n-6 PUFA, such as 18:2n-6, 20:4n-6, and its derivative prostaglandin E2, with a combination of potentially adverse and beneficial effects. SPM analogs have future potential as analgesics for arthritic pain. Summary Alterations in FA profiles and their potential implications in SPM production may affect joint lubrication, synovial inflammation, pannus formation, as well as cartilage and bone degradation and contribute to the pathogeneses of inflammatory joint diseases. Further research directions include high-quality randomized controlled trials on dietary FA supplements and investigations on the significance of lipid composition of microvesicle membrane and cargo in joint diseases.
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13
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Effect of n-3 PUFA on extracellular matrix protein turnover in patients with psoriatic arthritis: a randomized, double-blind, placebo-controlled trial. Rheumatol Int 2021; 41:1065-1077. [PMID: 33885930 PMCID: PMC8079340 DOI: 10.1007/s00296-021-04861-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 04/07/2021] [Indexed: 12/03/2022]
Abstract
Psoriatic arthritis (PsA) is a chronic inflammatory disease characterized by involvement of skin, axial and peripheral skeleton. An altered balance between extracellular matrix (ECM) formation and breakdown is a key event in PsA, and changes in ECM protein metabolites may provide insight to tissue changes. Dietary fish oils (n-3 PUFA) might affect the inflammation driven tissue turnover. The aim was to evaluate ECM metabolites in patients with PsA compared to healthy individuals and investigate the effects of n-3 PUFA. The 24-week randomized, double-blind, placebo-controlled trial of PUFA included 142 patients with PsA. Fifty-seven healthy individuals were included for comparison. This study is a sub-study investigating biomarkers of tissue remodelling as secondary outcomes. Serum samples at baseline and 24 weeks and healthy individuals were obtained, while a panel of ECM metabolites reflecting bone and soft tissue turnover were measured by ELISAs: PRO-C1, PRO-C3, PRO-C4, C1M, C3M, C4M, CTX-I and Osteocalcin (OC). C1M, PRO-C3, PRO-C4 and C4M was found to be elevated in PsA patients compared to the healthy individuals (from 56 to 792%, all p < 0.0001), where no differences were found for OC, CTX-I, PRO-C1 and C3M. PRO-C3 was increased by 7% in patients receiving n-3 PUFA after 24 weeks compared to baseline levels (p = 0.002). None of the other biomarkers was changed with n-3 PUFA treatment. This indicates that tissue turnover is increased in PsA patients compared to healthy individuals, while n-3 PUFA treatment for 24 weeks did not have an effect on tissue turnover. Trial registration NCT01818804. Registered 27 March 2013–Completed 18 February 2016. https://clinicaltrials.gov/ct2/show/NCT01818804?term=NCT01818804&rank=1
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14
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Hanaoka C, Fausett C, Jayabalan P. Nonsurgical Management of Cartilage Defects of the Knee: Who, When, Why, and How? J Knee Surg 2020; 33:1078-1087. [PMID: 32663885 PMCID: PMC7606792 DOI: 10.1055/s-0040-1713813] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The nonoperative practitioner managing individuals with cartilage defects should use a patient-centered, multifaceted approach that aims to individualize treatment to provide optimal benefit. These include addressing modifiable risk factors for disease progression and instituting interventions such as weight loss, nutrition, physical activity, and potentially regenerative medicine strategies. This review will focus on these nonoperative treatment strategies with a focus on when treatments are necessary, who will benefit from these approaches, why they are specifically appropriate, and, finally, how these treatments directly modify the structure of a patient's cartilage and resulting symptoms.
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Affiliation(s)
- Chad Hanaoka
- Department of Physical Medicine and Rehabilitation, Shirley Ryan AbilityLab, Chicago, Illinois
| | - Cameron Fausett
- Department of Physical Medicine and Rehabilitation, Shirley Ryan AbilityLab, Chicago, Illinois,Department of Physical Medicine and Rehabilitation, McGaw Medical Center of Northwestern University, Chicago, Illinois
| | - Prakash Jayabalan
- Department of Physical Medicine and Rehabilitation, Shirley Ryan AbilityLab, Chicago, Illinois,Department of Physical Medicine and Rehabilitation, Northwestern Feinberg School of Medicine, Chicago, Illinois
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15
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Barbin T, Groppo F, Toledo F, Costa Y, Clemente-Napimoga J, Figueroba S. The effect of omega-3 in temporomandibular joint synovial tissues of rats with induced arthritis: pilot study. Int J Oral Maxillofac Surg 2020; 49:1319-1325. [DOI: 10.1016/j.ijom.2020.01.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 11/22/2019] [Accepted: 01/14/2020] [Indexed: 01/05/2023]
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16
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Bao M, Zhang K, Wei Y, Hua W, Gao Y, Li X, Ye L. Therapeutic potentials and modulatory mechanisms of fatty acids in bone. Cell Prolif 2019; 53:e12735. [PMID: 31797479 PMCID: PMC7046483 DOI: 10.1111/cpr.12735] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 11/02/2019] [Accepted: 11/05/2019] [Indexed: 02/05/2023] Open
Abstract
Bone metabolism is a lifelong process that includes bone formation and resorption. Osteoblasts and osteoclasts are the predominant cell types associated with bone metabolism, which is facilitated by other cells such as bone marrow mesenchymal stem cells (BMMSCs), osteocytes and chondrocytes. As an important component in our daily diet, fatty acids are mainly categorized as long‐chain fatty acids including polyunsaturated fatty acids (LCPUFAs), monounsaturated fatty acids (LCMUFAs), saturated fatty acids (LCSFAs), medium‐/short‐chain fatty acids (MCFAs/SCFAs) as well as their metabolites. Fatty acids are closely associated with bone metabolism and associated bone disorders. In this review, we summarized the important roles and potential therapeutic implications of fatty acids in multiple bone disorders, reviewed the diverse range of critical effects displayed by fatty acids on bone metabolism, and elucidated their modulatory roles and mechanisms on specific bone cell types. The evidence supporting close implications of fatty acids in bone metabolism and disorders suggests fatty acids as potential therapeutic and nutritional agents for the treatment and prevention of metabolic bone diseases.
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Affiliation(s)
- Minyue Bao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Kaiwen Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yangyini Wei
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Weihan Hua
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yanzi Gao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xin Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ling Ye
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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17
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Li L, Wang D, Wang X, Bai R, Wang C, Gao Y, Anastassiades T. N-Butyrylated hyaluronic acid ameliorates gout and hyperuricemia in animal models. PHARMACEUTICAL BIOLOGY 2019; 57:717-728. [PMID: 31622116 PMCID: PMC8871623 DOI: 10.1080/13880209.2019.1672755] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Context: Hyaluronic acid (HA) plays critical roles in the structural skeleton, joint lubrication, renal function and cell signaling. We previously showed that partially N-butyrylated, low molecular weight, hyaluronic acid (BHA) exhibited an anti-inflammatory effect in cultured human macrophage, where inflammation was induced either by a TL-4 agonist or the low molecular weight HA itself, in dose-dependent fashion. Objectives: To investigate the anti-inflammatory, antioxidative, and antihyperuricemic effects of BHA using animal models of acute gouty arthritis and hyperuricemia. Materials and methods: The anti-inflammatory effect of articular BHA (10 and 50 μg) injections was evaluated by measuring joint swelling and the serum levels of inflammatory cytokines in a model of acute gouty arthritis induced by intra-articular injection of monosodium urate crystals in Wistar rats (n = 10/group), in comparison to the control group with saline injection. Antioxidative and antihyperuricemic activities were investigated using intraperitoneal injections of oteracil potassium and yeast extract hyperuricemic Balb/C mice, which were treated with intraperitoneal injection of BHA at day 6-8 in the model. Results: In the gouty arthritis rat model, BHA at a higher dosage (50 μg) demonstrated a strong anti-inflammatory effect by reducing the degree of articular swelling and the serum levels of IL-1β, IL-8, IFN-γ, and MCP-1 by 5.56%, 6.55%, 15.58% and 33.18%. In the hyperuricemic mouse model, lower dosage BHA (10 μg) was sufficient to provide antioxidative activities by significantly decreasing the ROS levels in both serum and liver by 14.87% and 8.04%, while improving liver SOD by 12.77%. Intraperitoneal injection of BHA suppressed uric acid production through reducing liver XO activity by 19.78% and decreased the serum uric acid level in hyperuricemic mice by 30.41%. Conclusions: This study demonstrated for the first time that BHA exhibits anti-inflammatory, antioxidative and antihyperuricemic effects in vivo, suggesting a potential therapeutic application of BHA in gouty arthritis and hyperuricemia.
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Affiliation(s)
- Lanzhou Li
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun, China
| | - Di Wang
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun, China
| | - Xueju Wang
- Pathology Department of China–Japan Union Hospital, Jilin University, Changchun, China
| | - Ruifeng Bai
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun, China
| | - Chunyu Wang
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, China
| | - Yin Gao
- Key Laboratory for Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences, Jilin University, Changchun, China
- CONTACT Yin Gao School of Life Sciences, Jilin University, Changchun130012, China
| | - Tassos Anastassiades
- Division of Rheumatology, Department of Medicine, Queen’s University, Kingston, Canada
- Tassos Anastassiades Division of Rheumatology, Department of Medicine, Queen's University, Kingston, Ontario K7L 3N6, Canada
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18
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19
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Caron JP, Gandy JC, Brown JL, Sordillo LM. Omega-3 fatty acids and docosahexaenoic acid oxymetabolites modulate the inflammatory response of equine recombinant interleukin1β-stimulated equine synoviocytes. Prostaglandins Other Lipid Mediat 2019; 142:1-8. [PMID: 30836143 DOI: 10.1016/j.prostaglandins.2019.02.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 12/21/2018] [Accepted: 02/28/2019] [Indexed: 01/15/2023]
Abstract
Omega-3 fatty acid (n-3 PUFA) supplementation may have beneficial effects in certain chronic diseases, potentially including osteoarthritis. Favorable effects are attributed, in part, to downstream pro-resolving oxylipid metabolites. We investigated the role of n-3 PUFA and docosahexaenoic acid (DHA)-derived oxylipids (docosanoids) on equine synoviocyte metabolism. We hypothesized that n-3 PUFA and selected docosanoids would modulate inflammatory mediator gene expression by recombinant equine (re)IL-1β-stimulated synovial fibroblasts. Synoviocyte monolayer cultures were prepared from grossly normal equine carpal synovium. Cellular incorporation of eicosapentaenoic acid (EPA) and DHA was determined using LC-MS and docosanoid biosynthesis by LC-MS-MS. The influence of n-3 PUFA and docosanoids on osteoarthritis marker gene expression was determined by quantitative real time polymerase chain reaction (qPCR). Synoviocytes incorporated EPA and DHA in significant amounts and DHA treatment augmented the synthesis of several docosanoids. Synoviocyte cultures pre-treated with EPA or DHA followed by reIL-1β stimulation had significant reductions in expression of ADAMTS4, MMP-1, MMP-13, IL-1β, IL-6 and COX-2. The docosanoids resolvin D1 and D2, maresin 1 and protectin DX, alone and in combination, abrogated ADAMTS4, MMP-1, MMP-13, and IL-6 gene expression in reIL-1β-stimulated synoviocytes. Similarly, both resolvins and maresin 1 stifled COX-2 expression. Our results demonstrate that synoviocytes readily incorporate n-3 PUFA. DHA incorporation was sufficient for biosynthesis of significant concentrations of several docosanoids which modulated the synovial inflammatory response in vitro. These data indicate n-3 PUFA supplementation may prove useful in the prevention or treatment of osteoarthritis.
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Affiliation(s)
- John P Caron
- Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, MI, 48823-1314, United States.
| | - Jeffrey C Gandy
- Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, MI, 48823-1314, United States
| | - Jennifer L Brown
- Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, MI, 48823-1314, United States
| | - Lorraine M Sordillo
- Department of Large Animal Clinical Sciences, Michigan State University, East Lansing, MI, 48823-1314, United States
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20
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Stichopus chloronotus aqueous extract as a chondroprotective agent for human chondrocytes isolated from osteoarthitis articular cartilage in vitro. Cytotechnology 2019; 71:521-537. [PMID: 30719603 DOI: 10.1007/s10616-019-00298-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 01/17/2019] [Indexed: 12/13/2022] Open
Abstract
The proinflammatory cytokines, metalloproteinases family (MMPs), inflammatory mediators PGE2, COX-2 and NO are the most important group of compounds responsible for the loss of metabolic homeostasis of articular cartilage by promoting catabolic and destructive processes in the pathogenesis of osteoarthritis (OA). Stichopus chloronotus, a marine sea cucumber which is rich in n-3 PUFAs and phenolic compound, may exert a favorable influence on the course of the disease. The objective of this study was to investigate the regeneration and anti-inflammatory potential of S. chloronotus aqueous extract (SCAE) on human OA articular chondrocytes (HOC). METHODS The HOC isolated from knee joint cartilage removed during surgery were cultured with SCAE for 7 days. The effect of SCAE on anabolic and catabolic gene expression was verified by real-time PCR. Monolayer chondrocytes were stained with toluidine blue whereas sGAG, NO and PGE2 production in medium were analyzed by ELISA. RESULTS The HOC cultured in various SCAE have polygonal morphology maintaining their chondrocytes characteristic. SAE supplementation tested was found to be effective pro-chondrogenic, anti-inflammatory and anti-oxidative agents, as evidenced by upregulation of cartilage specific markers collagen type II, aggrecan core protein and sox-9 expression and downregulation of collagen type 1, IL-1, IL-6, IL-8, MMP-1, MMP-3, MMP-13, COX-2, iNOS and PAR-2 expression. The presence of SCAE in the culture was able to increase sGAG and reduce NO and PGE2 production significantly. CONCLUSIONS These results suggested that SCAE demonstrated chondroprotective ability by suppressing catabolic activities, oxidative damage and effectively promoting chondrocytes growth.
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21
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Harasymowicz NS, Dicks A, Wu CL, Guilak F. Physiologic and pathologic effects of dietary free fatty acids on cells of the joint. Ann N Y Acad Sci 2019; 1440:36-53. [PMID: 30648276 DOI: 10.1111/nyas.13999] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 12/08/2018] [Accepted: 12/14/2018] [Indexed: 12/14/2022]
Abstract
Fatty acids (FAs) are potent organic compounds that not only can be used as an energy source during nutrient deprivation but are also involved in several essential signaling cascades in cells. Therefore, a balanced intake of different dietary FAs is critical for the maintenance of cellular functions and tissue homeostasis. A diet with an imbalanced fat composition creates a risk for developing metabolic syndrome and various musculoskeletal diseases, including osteoarthritis (OA). In this review, we summarize the current state of knowledge and mechanistic insights regarding the role of dietary FAs, such as saturated FAs, omega-6 polyunsaturated FAs (PUFAs), and omega-3 PUFAs on joint inflammation and OA pathogeneses. In particular, we review how different types of dietary FAs and their derivatives distinctly affect a variety of cells within the joint, including chondrocytes, osteoblasts, osteoclasts, and synoviocytes. Understanding the molecular mechanisms underlying the effects of FAs on metabolic behavior, anabolic, and catabolic processes, as well as the inflammatory response of joint cells, may help identify therapeutic targets for the prevention of metabolic joint diseases.
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Affiliation(s)
- Natalia S Harasymowicz
- Department of Orthopaedic Surgery, Washington University, St. Louis, Missouri.,Shriners Hospitals for Children-St. Louis, St. Louis, Missouri
| | - Amanda Dicks
- Department of Orthopaedic Surgery, Washington University, St. Louis, Missouri.,Shriners Hospitals for Children-St. Louis, St. Louis, Missouri.,Department of Biomedical Engineering, Washington University, St. Louis, Missouri
| | - Chia-Lung Wu
- Department of Orthopaedic Surgery, Washington University, St. Louis, Missouri.,Shriners Hospitals for Children-St. Louis, St. Louis, Missouri
| | - Farshid Guilak
- Department of Orthopaedic Surgery, Washington University, St. Louis, Missouri.,Shriners Hospitals for Children-St. Louis, St. Louis, Missouri.,Department of Biomedical Engineering, Washington University, St. Louis, Missouri
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22
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Sooksong S, Pirarat N, Angkanaporn K. Omega-3 fatty acids and meloxicam supplementation and the incidence and histopathological changes associated with femoral head syndrome in broilers. ANIMAL PRODUCTION SCIENCE 2019. [DOI: 10.1071/an17713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Femoral head separation (FHS) is one of the problems commonly found in fast growing-type broilers that resulted in joint inflammation leading to lameness and poor animal welfare. This study aimed to examine the alimentary effects of omega-3 fatty acids (DHA) and meloxicam on the incidence of FHS in relation with changes in pathological features and serum concentrations of TNFα and IL1β in broilers. A total number of 1152 male day-old Cobb 500 broilers were divided into four groups. The chicks in T1 (Control) received the basal diet. Chicks in T2 to T4 were given burden of a modified speed bump, in which the chicks in T2 received the basal diet, and the chicks in T3 and T4 received 2% All-G-Rich (16% DHA) in the basal diet and meloxicam in drinking water (0.5 mg/kg BW) during Days 22–43 of age, respectively. It was demonstrated that the incidence of FHS in T4 was the smallest (P < 0.05) among groups although the incidence of FHS was not increased by modified speed bump itself. Although BW (and average daily gain) in T3 was the smallest, but the incidence of FHS was not decreased. An osteochondrosis cleft during histopathological examination could be detected even in the normal gross lesions. Serum concentrations in TNFα and IL1β were not different among groups. In conclusion, meloxicam as an anti-inflammatory drug was useful to alleviate the gross pathological changes of FHS whereas DHA was not effective at the used dosage. Studies on histopathological changes at the beginning of FHS lesion are necessary.
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23
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Phitak T, Boonmaleerat K, Pothacharoen P, Pruksakorn D, Kongtawelert P. Leptin alone and in combination with interleukin-1-beta induced cartilage degradation potentially inhibited by EPA and DHA. Connect Tissue Res 2018; 59:316-331. [PMID: 28956662 DOI: 10.1080/03008207.2017.1385605] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Osteoarthritis (OA) is the most common form of arthritis. Obesity has been believed to be an important risk factor for OA development and the progression of not only load-bearing joints, but low-load-bearing joints as well. Increased leptin has been the focus of a link between obesity and OA. In this study, the effects of pathological (100ng/ml) or supra-pathological (10μg/ml) concentrations of leptin alone or in combination with IL1β on cartilage metabolisms were studied in porcine cartilage explant. The involved mechanisms were examined in human articular chondrocytes (HACs). Moreover, the protective effect of omega-3 polyunsaturated acids, eicosapentaenoic acid (EPA) or docosahexaenoic acid (DHA) was also investigated. Leptin (10μg/ml) alone or in combination with IL1β could induce cartilage destruction, although lower concentrations had no effect. Leptin activated NFκB, ERK, JNK and p38 in HACs, which led to the induction of MMP3, MMP13 and ADAMTS4 secretions. The combined effect could further induce those enzymes through the additive effect on activation of NFκB and JNK. Interestingly, both EPA and DHA could inhibit cartilage damage induced by leptin plus IL1β by reducing the activation of NFκB and JNK, which led to the decrease of ADAMTS4 secretion. Altogether, only a supra-pathological concentration of leptin alone or in combination with IL1β could induce cartilage destruction, whereas a pathological one could not. This effect could be inhibited by EPA and DHA. To gain greater understanding of the link between leptin and OA, the effect of different levels of leptin on several states of OA cartilage requires further investigation.
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Affiliation(s)
- Thanyaluck Phitak
- a Thailand Excellence Center for Tissue Engineering and Stem Cells, Faculty of Medicine , Chiang Mai University , Chiang Mai , Thailand
| | - Kanchanit Boonmaleerat
- a Thailand Excellence Center for Tissue Engineering and Stem Cells, Faculty of Medicine , Chiang Mai University , Chiang Mai , Thailand
| | - Peraphan Pothacharoen
- a Thailand Excellence Center for Tissue Engineering and Stem Cells, Faculty of Medicine , Chiang Mai University , Chiang Mai , Thailand
| | - Dumnoensun Pruksakorn
- b Musculoskeletal Research Laboratory, Department of Orthopedics, Faculty of Medicine , Chiang Mai University , Chiang Mai , Thailand
| | - Prachya Kongtawelert
- a Thailand Excellence Center for Tissue Engineering and Stem Cells, Faculty of Medicine , Chiang Mai University , Chiang Mai , Thailand
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Adler N, Schoeniger A, Fuhrmann H. Polyunsaturated fatty acids influence inflammatory markers in a cellular model for canine osteoarthritis. J Anim Physiol Anim Nutr (Berl) 2017; 102:e623-e632. [DOI: 10.1111/jpn.12804] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Accepted: 07/27/2017] [Indexed: 11/27/2022]
Affiliation(s)
- N. Adler
- Institute of Biochemistry; Faculty of Veterinary Medicine; University of Leipzig; Leipzig Germany
| | - A. Schoeniger
- Institute of Biochemistry; Faculty of Veterinary Medicine; University of Leipzig; Leipzig Germany
| | - H. Fuhrmann
- Institute of Biochemistry; Faculty of Veterinary Medicine; University of Leipzig; Leipzig Germany
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Low levels of very-long-chain n-3 PUFA in Atlantic salmon ( Salmo salar) diet reduce fish robustness under challenging conditions in sea cages. J Nutr Sci 2017; 6:e32. [PMID: 29152236 PMCID: PMC5672314 DOI: 10.1017/jns.2017.28] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2017] [Accepted: 05/24/2017] [Indexed: 12/24/2022] Open
Abstract
The present study aimed to determine the minimum requirements of the essential n-3 fatty acids EPA and DHA in Atlantic salmon (Salmo salar) that can secure their health under challenging conditions in sea cages. Individually tagged Atlantic salmon were fed 2, 10 and 17 g/kg of EPA + DHA from 400 g until slaughter size (about 3·5 kg). The experimental fish reared in sea cages were subjected to the challenging conditions typically experienced under commercial production. Salmon receiving the lowest EPA + DHA levels showed lower growth rates in the earlier life stages, but no significant difference in final weights at slaughter. The fatty acid composition of various tissues and organs had remarkably changed. The decreased EPA + DHA in the different tissue membrane phospholipids were typically replaced by pro-inflammatory n-6 fatty acids, most markedly in the skin. The EPA + DHA levels were maintained at a higher level in the liver and erythrocytes than in the muscle, intestine and skin. After delousing at high water temperatures, the mortality rates were 63, 52 and 16 % in the salmon fed 2, 10 and 17 g/kg EPA + DHA. Low EPA + DHA levels also increased the liver, intestinal and visceral fat amount, reduced intervertebral space and caused mid-intestinal hyper-vacuolisation. Thus, 10 g/kg EPA + DHA in the Atlantic salmon diet, a level previously regarded as sufficient, was found to be too low to maintain fish health under demanding environmental conditions in sea cages.
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Key Words
- ARA, arachidonic acid
- Aquafeed
- DHA
- EFA, essential fatty acid
- EPA
- Essential fatty acids
- Fish nutritional requirements
- NL, neutral lipid
- PC, phosphatidylcholine
- PE, phosphatidylethanolamine
- PI, phosphatidylinositol
- PL, phospholipid
- PS, phosphatidylserine
- VLC, very-long-chain
- VO, vegetable oil
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Park DR, Ko R, Kwon SH, Min B, Yun SH, Kim MH, Minatelli J, Hill S, Lee SY. FlexPro MD, a Mixture of Krill Oil, Astaxanthin, and Hyaluronic Acid, Suppresses Lipopolysaccharide-Induced Inflammatory Cytokine Production Through Inhibition of NF-κB. J Med Food 2017; 19:1196-1203. [PMID: 27982753 PMCID: PMC5312594 DOI: 10.1089/jmf.2016.3787] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
FlexPro MD® (FP-MD), a novel multi-ingredient dietary supplement formulation, has been demonstrated to relieve knee joint pain in humans. However, the mechanisms of action responsible for the activity of FP-MD have not been elucidated. In this study, we show the anti-inflammatory effects of FP-MD in RAW264.7 macrophage cells and mice challenged with lipopolysaccharide (LPS). FP-MD significantly inhibited the mRNA levels of pro-inflammatory cytokines, including interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α), and IL-1β. In contrast, it elevated the mRNA levels of anti-inflammatory cytokine IL-10 in LPS-stimulated RAW264.7 cells. FP-MD markedly reduced LPS-induced phosphorylation levels of nuclear factor-κB (NF-κB) p65 and inhibitor of κB-α (IκB-α). Importantly, the anti-inflammatory effects of FP-MD were demonstrated in mice with LPS-induced inflammatory arthritis in which FP-MD significantly reduced the expression levels of pro-inflammatory cytokines and inflammatory markers. Thus, this study suggests that FP-MD has anti-inflammatory effects by inhibiting NF-κB that may offer a molecular basis for its pain relief property.
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Affiliation(s)
- Doo Ri Park
- 1 Department of Life Science, Ewha Womans University , Seoul, Korea.,2 The Research Center for Cellular Homeostasis, Ewha Womans University , Seoul, Korea
| | - Ryeojin Ko
- 1 Department of Life Science, Ewha Womans University , Seoul, Korea.,2 The Research Center for Cellular Homeostasis, Ewha Womans University , Seoul, Korea
| | | | | | | | | | - John Minatelli
- 4 US Nutraceuticals, L.L.C. d/b/a Valensa International, Eustis, Florida, USA
| | - Stephen Hill
- 4 US Nutraceuticals, L.L.C. d/b/a Valensa International, Eustis, Florida, USA
| | - Soo Young Lee
- 1 Department of Life Science, Ewha Womans University , Seoul, Korea.,2 The Research Center for Cellular Homeostasis, Ewha Womans University , Seoul, Korea
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27
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Buddhachat K, Siengdee P, Chomdej S, Soontornvipart K, Nganvongpanit K. Effects of different omega-3 sources, fish oil, krill oil, and green-lipped mussel against cytokine-mediated canine cartilage degradation. In Vitro Cell Dev Biol Anim 2017; 53:448-457. [PMID: 28078500 DOI: 10.1007/s11626-016-0125-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 12/20/2016] [Indexed: 02/07/2023]
Abstract
Our purpose was to evaluate the protective effect of three marine omega-3 sources, fish oil (FO), krill oil (KO), and green-lipped mussel (GLM) against cartilage degradation. Canine cartilage explants were stimulated with either 10 ng/mL interleukin-1β (IL-1β) or IL-1β/oncostatin M (10 ng/mL each) and then treated with various concentrations of docosahexaenoic acid (DHA), eicosapentaenoic acid (EPA; 3 and 30 μg/mL), FO, KO, or GLM (250, 500, and 1000 μg/mL) for 28 days. Gene expression was then investigated in primary canine chondrocytes. Our results showed that DHA and EPA as well as omega-3 sources could suppress matrix degradation in cytokine-induced cartilage explants by significantly reducing the increase of sulfated glycosaminoglycans (s-GAGs) and preserving uronic acid and hydroxyproline content (except GLM). These agents were not able to reduce IL-1β-induced IL1B and TNFA expression but were able to down-regulate the expression of the catabolic genes MMP1, MMP3, and MMP13 and up-regulate the anabolic genes AGG and COL2A1; FO and KO were especially effective. Our findings indicated that FO and KO were superior to GLM for their protective effect against proteoglycan and collagen degradation. Hence, FO and KO could serve as promising sources of chondroprotective agents.
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Affiliation(s)
- Kittisak Buddhachat
- Animal Bone and Joint Research Laboratory, Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
- Department of Biology, Faculty of Science, Naresuan University, Phitsanulok, 65000, Thailand
| | - Puntita Siengdee
- Animal Bone and Joint Research Laboratory, Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand
| | - Siriwadee Chomdej
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Kumpanart Soontornvipart
- Department of Veterinary Surgery, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Korakot Nganvongpanit
- Animal Bone and Joint Research Laboratory, Department of Veterinary Biosciences and Public Health, Faculty of Veterinary Medicine, Chiang Mai University, Chiang Mai, 50100, Thailand.
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28
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Delaine-Smith RM, Burney S, Balkwill FR, Knight MM. Experimental validation of a flat punch indentation methodology calibrated against unconfined compression tests for determination of soft tissue biomechanics. J Mech Behav Biomed Mater 2016; 60:401-415. [PMID: 26974584 DOI: 10.1016/j.jmbbm.2016.02.019] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 02/03/2016] [Accepted: 02/10/2016] [Indexed: 11/18/2022]
Abstract
Mechanical characterisation of soft biological tissues using standard compression or tensile testing presents a significant challenge due to specimen geometrical irregularities, difficulties in cutting intact and appropriately sized test samples, and issues with slippage or damage at the grips. Indentation can overcome these problems but requires fitting a model to the resulting load-displacement data in order to calculate moduli. Despite the widespread use of this technique, few studies experimentally validate their chosen model or compensate for boundary effects. In this study, viscoelastic hydrogels of different concentrations and dimensions were used to calibrate an indentation technique performed at large specimen-strain deformation (20%) and analysed with a range of routinely used mathematical models. A rigid, flat-ended cylindrical indenter was applied to each specimen from which 'indentation moduli' and relaxation properties were calculated and compared against values obtained from unconfined compression. Only one indentation model showed good agreement (<10% difference) with all moduli values obtained from compression. A sample thickness to indenter diameter ratio ≥1:1 and sample diameter to indenter diameter ratio ≥4:1 was necessary to achieve the greatest accuracy. However, it is not always possible to use biological samples within these limits, therefore we developed a series of correction factors. The approach was validated using human diseased omentum and bovine articular cartilage resulting in mechanical properties closely matching compression values. We therefore present a widely useable indentation analysis method to allow more accurate calculation of material mechanics which is important in the study of soft tissue development, ageing, health and disease.
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Affiliation(s)
- R M Delaine-Smith
- School of Engineering and Materials Science, Institute of Bioengineering, Queen Mary University of London, Mile End, London E1 4NS, UK; Centre for Cancer and Inflammation, Barts Cancer Institute, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK.
| | - S Burney
- School of Engineering and Materials Science, Institute of Bioengineering, Queen Mary University of London, Mile End, London E1 4NS, UK
| | - F R Balkwill
- Centre for Cancer and Inflammation, Barts Cancer Institute, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK
| | - M M Knight
- School of Engineering and Materials Science, Institute of Bioengineering, Queen Mary University of London, Mile End, London E1 4NS, UK
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Thompson CL, Patel R, Kelly TAN, Wann AKT, Hung CT, Chapple JP, Knight MM. Hedgehog signalling does not stimulate cartilage catabolism and is inhibited by Interleukin-1β. Arthritis Res Ther 2015; 17:373. [PMID: 26705100 PMCID: PMC4718026 DOI: 10.1186/s13075-015-0891-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Accepted: 12/08/2015] [Indexed: 12/21/2022] Open
Abstract
Background In osteoarthritis, chondrocytes adopt an abnormal hypertrophic morphology and upregulate the expression of the extracellular matrix-degrading enzymes, MMP-13 and ADAMTS-5. The activation of the hedgehog signalling pathway has been established in osteoarthritis and is thought to influence both of these processes. However, the role of this pathway in the initiation and progression of osteoarthritis is unclear as previous studies have been unable to isolate the effects of hedgehog pathway activation from other pathological processes. In this study we test the hypothesis that hedgehog pathway activation causes cartilage degradation in healthy cartilage and in an in vitro model of inflammatory arthritis. Methods Isolated articular chondrocytes from the bovine metacarpal-phalangeal joint were stimulated for up to 24 hours with the agonist, recombinant Indian hedgehog (r-Ihh). ADAMTS-5 and MMP-13 gene expression was quantified by real-time PCR. In addition, healthy bovine cartilage explants were treated with r-Ihh or the hedgehog antagonist, cyclopamine, and sGAG release into the media was measured over 72 hours. Studies were repeated using chondrocytes and cartilage explants from human knee joint. Finally, studies were conducted to determine the effect of hedgehog pathway activation on matrix catabolism in the presence of the pro-inflammatory cytokine, IL-1β. Results Addition of r-Ihh activated hedgehog signalling, confirmed by upregulation of Gli1 and Ptch1 expression, but did not increase ADAMTS-5 or MMP-13 expression in bovine or human chondrocytes. Furthermore, r-Ihh did not induce sGAG release in healthy bovine or human cartilage explants. IL-1β treatment induced sGAG release, but this response was not altered by the stimulation or inhibition of hedgehog signalling. Hedgehog pathway activation was downregulated by IL-1β. Conversely, r-Ihh weakly suppressed IL-1β-induced ADAMTS-5 expression. Conclusion Our results show for the first time that Indian hedgehog does not cause extracellular matrix degradation in healthy ex vivo cartilage or in the presence of IL-1β and that IL-1β downregulates Indian hedgehog induced signalling. Thus, we suggest reported hedgehog induced matrix catabolism in osteoarthritis must be due to its interaction with pathological factors other than IL-1β. Hence, hedgehog signalling and its downstream effects are highly context-dependent. Electronic supplementary material The online version of this article (doi:10.1186/s13075-015-0891-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Clare L Thompson
- Institute of Bioengineering and School of Engineering and Material Sciences, Queen Mary University of London, Mile End Road, London, E1 4NS, UK.
| | - Riana Patel
- Institute of Bioengineering and School of Engineering and Material Sciences, Queen Mary University of London, Mile End Road, London, E1 4NS, UK.
| | - Terri-Ann N Kelly
- Institute of Bioengineering and School of Engineering and Material Sciences, Queen Mary University of London, Mile End Road, London, E1 4NS, UK. .,Department of Biomedical Engineering, Columbia University, New York, NY, USA.
| | - Angus K T Wann
- Institute of Bioengineering and School of Engineering and Material Sciences, Queen Mary University of London, Mile End Road, London, E1 4NS, UK. .,Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK.
| | - Clark T Hung
- Department of Biomedical Engineering, Columbia University, New York, NY, USA.
| | - J Paul Chapple
- Center for Endocrinology, William Harvey Research Institute, School of Medicine and Dentistry, Queen Mary University of London, London, UK.
| | - Martin M Knight
- Institute of Bioengineering and School of Engineering and Material Sciences, Queen Mary University of London, Mile End Road, London, E1 4NS, UK.
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ω-3 PUFAs and Resveratrol Differently Modulate Acute and Chronic Inflammatory Processes. BIOMED RESEARCH INTERNATIONAL 2015; 2015:535189. [PMID: 26301248 PMCID: PMC4537711 DOI: 10.1155/2015/535189] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Accepted: 04/15/2015] [Indexed: 01/05/2023]
Abstract
ω-3 PUFAs and polyphenols have multiple effects on inflammation in vivo and in vitro. The effects of eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and resveratrol (RV) were investigated in LPS-stimulated peripheral blood leukocytes (PBLs) (i.e., acute inflammation) and IL-1β activated human chondrocytes (i.e., chronic inflammation). Inflammatory mediators including chemokines, cytokines, interleukins, and PGE2 were measured by multiplex analysis and gene expression was quantified by RT-PCR. In PBLs, RV decreased the secretion of PGE2, CCL5/RANTES, and CXCL8/IL-8 but increased IL-1β, IL-6, and IL-10. In contrast to RV, ω-3 PUFAs augmented the production of PGE2 and CXCL8/IL-8. EPA and DHA similarly affected the pattern of inflammatory mediators. Combination of RV and ω-3 PUFAs exerted synergistic effects on CCL5/RANTES and had additive effects on IL-6 or CXCL8/IL-8. Both ω-3 PUFAs and RV reduced catabolic gene expression (e.g., MMPs, ADAMTS-4, IL-1β, and IL-6) in activated chondrocytes. The data suggest that ω-3 PUFAs and RV differ in the regulation of acute inflammation of peripheral blood leukocytes but have common properties in modulating features related to chronic inflammation of chondrocytes.
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31
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Comblain F, Serisier S, Barthelemy N, Balligand M, Henrotin Y. Review of dietary supplements for the management of osteoarthritis in dogs in studies from 2004 to 2014. J Vet Pharmacol Ther 2015. [DOI: 10.1111/jvp.12251] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- F. Comblain
- Bone and Cartilage Research Unit; Institute of Pathology; Arthropôle Liège; University of Liège; Liège Belgium
| | - S. Serisier
- Royal Canin Research Center; Aimargues France
| | - N. Barthelemy
- Department of Clinical Sciences; Faculty of Veterinary Medicine; University of Liège; Liège Belgium
| | - M. Balligand
- Department of Clinical Sciences; Faculty of Veterinary Medicine; University of Liège; Liège Belgium
| | - Y. Henrotin
- Bone and Cartilage Research Unit; Institute of Pathology; Arthropôle Liège; University of Liège; Liège Belgium
- Department of Physical Therapy and Rehabilitation; Princess Paola Hospital; Vivalia; Marche-en-Famenne Belgium
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Ross-Jones TN, McIlwraith CW, Kisiday JD, Hess TM, Hansen DK, Black J. Influence of an n-3 long-chain polyunsaturated fatty acid-enriched diet on experimentally induced synovitis in horses. J Anim Physiol Anim Nutr (Berl) 2015; 100:565-77. [PMID: 26189710 DOI: 10.1111/jpn.12359] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2014] [Accepted: 05/20/2015] [Indexed: 12/22/2022]
Abstract
Dietary n-3 long-chain polyunsaturated fatty acid (LCPUFA) supplementation has previously been shown to modify joint-related inflammation in several species, although information in the horse is lacking. We investigated whether dietary supplementation with n-3 LCPUFA would modify experimentally induced synovitis in horses. Twelve, skeletally mature, non-pregnant mares were randomly assigned to either a control diet (CONT) or an n-3 long-chain fatty acid-enriched treatment diet (N3FA) containing 40 g/day of n-3 LCPUFA for 91 days. Blood samples taken on days 0, 30, 60 and 90, and synovial fluid collected on days 0 and 90 were processed for lipid composition. On day 91, joint inflammation was stimulated using an intra-articular (IA) injection of 100 ng of recombinant equine IL-1beta (reIL-1β). Synovial fluid samples taken at post-injection hours (PIH) 0, 4, 8 and 24 were analysed for prostaglandin E2 (PGE2 ), matrix metalloproteinase (MMP) activity and routine cytology. Synovium and articular cartilage samples collected at PIH 8 were analysed for gene expression of MMP 1 and MMP 13, interleukin-1beta (IL-1β), cyclooxygenase 2 (COX-2), tumour necrosis factor-alpha and the aggrecanases, a disintegrin and metalloprotease with thrombospondin motifs (ADAMTS)-4 and ADAMTS-5. A 90-day feeding period of n-3 LCPUFA increased serum phospholipid and synovial fluid lipid compositions of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) compared to CONT horses. The reIL-1β injection caused an inflammatory response; however, there was no effect of dietary treatment on synovial fluid PGE2 content and MMP activity. Synovial tissue collected from N3FA horses exhibited lower expression of ADAMTS-4 compared to CONT horses. Despite the presence of EPA and DHA in the synovial fluid of N3FA horses, dietary n-3 LCPUFA supplementation did not modify synovial fluid biomarkers compared to CONT horses; however, the lower ADAMTS-4 mRNA expression in N3FA synovium warrants further investigation of n-3 LCPUFA as a joint therapy.
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Affiliation(s)
- T N Ross-Jones
- Department of Animal Science, Colorado State University, Fort Collins, CO, USA
| | - C W McIlwraith
- Gail Holmes Equine Orthopaedic Research Center, Department of Clinical Sciences, Colorado State University, Fort Collins, CO, USA
| | - J D Kisiday
- Gail Holmes Equine Orthopaedic Research Center, Department of Clinical Sciences, Colorado State University, Fort Collins, CO, USA
| | - T M Hess
- Department of Animal Science, Colorado State University, Fort Collins, CO, USA
| | - D K Hansen
- Department of Animal Science, Colorado State University, Fort Collins, CO, USA
| | - J Black
- Department of Animal Science, Colorado State University, Fort Collins, CO, USA.,Gail Holmes Equine Orthopaedic Research Center, Department of Clinical Sciences, Colorado State University, Fort Collins, CO, USA
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Morin C, Blier PU, Fortin S. Eicosapentaenoic acid and docosapentaenoic acid monoglycerides are more potent than docosahexaenoic acid monoglyceride to resolve inflammation in a rheumatoid arthritis model. Arthritis Res Ther 2015; 17:142. [PMID: 26022389 PMCID: PMC4624173 DOI: 10.1186/s13075-015-0653-y] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Accepted: 05/12/2015] [Indexed: 12/20/2022] Open
Abstract
INTRODUCTION Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease of the joints and bones. Omega-3 (ω3) fatty acid supplementation has been associated with a decreased production of inflammatory cytokines and eicosanoids involved in RA pathogenesis. The aim of this study was to determine the therapeutic potential of ω3 monoglyceride (MAG-ω3) compounds in an in vivo rat model of RA induced by Complete Freund's Adjuvant (CFA). METHOD CFA rats were untreated or treated per os with three specific compounds, namely, MAG-docosahexaenoic acid (MAG-DHA), MAG-eicosapentaenoic acid (MAG-EPA) and MAG-docosapentaenoic acid (MAG-DPA). Morphological and histological analyses, as well as pro-inflammatory marker levels were determined following MAG-ω3 treatments. RESULTS Morphological and histological analyses revealed that MAG-EPA and MAG-DPA exhibited strong activity in reducing the progression and severity of arthritic disease in CFA rats. Following MAG-EPA and MAG-DPA treatments, plasma levels of the pro-inflammatory cytokines; interleukin 17A (IL-17A), IL-1β, IL-6 and tumor necrosis factor α (TNFα) were markedly lower when compared to CFA-untreated rats. Results also revealed a decreased activation of p38 mitogen-activated protein kinases (p38 MAPK) and nuclear factor-kappa B (NFκB) pathways correlated with a reduced expression of TNFα, cyclooxygenase-2 (COX-2), matrix metalloproteinase-2 (MMP-2) and MMP-9 in paw homogenates derived from MAG-EPA and MAG-DPA-treated rats. Of interest, the combined treatment of MAG-EPA and vitamin E displayed an antagonistic effect on anti-inflammatory properties of MAG-EPA in CFA rats. CONCLUSION Altogether, the present data suggest that MAG-EPA, without vitamin E, represents a new potential therapeutic strategy for resolving inflammation in arthritis.
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Affiliation(s)
- Caroline Morin
- SCF Pharma, 235, route du Fleuve Ouest, Ste-Luce, QC, G0K 1P0, Canada. .,Department of Pharmacology-Physiology, Faculty of Medicine and Health Sciences, Université de Sherbrooke, Sherbrooke, QC, Canada.
| | - Pierre U Blier
- Department of Biology, Université du Québec à Rimouski, Rimouski, QC, Canada.
| | - Samuel Fortin
- SCF Pharma, 235, route du Fleuve Ouest, Ste-Luce, QC, G0K 1P0, Canada. .,Department of Biology, Université du Québec à Rimouski, Rimouski, QC, Canada.
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Baugé C, Lhuissier E, Girard N, Quesnelle C, Ewert G, Boumediene K. Anti-inflammatory effects of an injectable copolymer of fatty acids (Ara 3000 beta®) in joint diseases. JOURNAL OF INFLAMMATION-LONDON 2015; 12:17. [PMID: 25729331 PMCID: PMC4342870 DOI: 10.1186/s12950-015-0062-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Accepted: 02/16/2015] [Indexed: 11/18/2022]
Abstract
Background In inflammatory joint disease, such as osteoarthritis or arthritis, there is an increased level of pro-inflammatory cytokines, such as interleukin-1β. These cytokines stimulate the expression and release of matrix metalloproteases (MMP), leading to the degradation of cartilage extracellular matrix and subsequently mobility difficulty and suffering for patients. The aim of this study was to examine the therapeutic potential of a fatty acid copolymer in in vitro and in vivo models of cartilage inflammation. Methods Inflammation was mimicked in vitro by treatment of human articular chondrocytes with interleukin-1β. Effects of a co-treatment with a copolymer of fatty acids (Ara 3000 beta®) were determined by evaluating MMP production by RT-PCR and ELISA, NO release by Griess assay, and PGE2 expression by ELISA. In addition, in vivo analysis (evolution of weight and edema) were also performed after injection of Freund adjuvant in rats treated or not with the copolymer of fatty acids. Results The copolymer of fatty acids clearly reduces inflammation in joint. In vitro, it impairs IL1 stimulated-MMP production and release, as well as the release of NO and PGE2 and the activation of NFκB. Furthermore, in vivo experiments using adjuvant induced-arthritis corroborates the anti-inflammatory effects of the copolymer of fatty acids, with a reduction of edemas, erythemas and ankylosis in arthritic rats. Conclusions The results support the hypothesis that a copolymer of fatty acids, such as Ara 3000 beta®, is a powerful anti-inflammatory compounds, suggesting that it has a potential for preventing cartilage degradation associated with chronic inflammatory joint disease.
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Affiliation(s)
- Catherine Baugé
- Normandie Univ, Caen, France ; UNICAEN, EA4652 MILPAT UFR de médecine, Université de Caen, Caen cedex 5, CS14032 Caen, France
| | - Eva Lhuissier
- Normandie Univ, Caen, France ; UNICAEN, EA4652 MILPAT UFR de médecine, Université de Caen, Caen cedex 5, CS14032 Caen, France
| | - Nicolas Girard
- Normandie Univ, Caen, France ; UNICAEN, EA4652 MILPAT UFR de médecine, Université de Caen, Caen cedex 5, CS14032 Caen, France
| | - Céline Quesnelle
- Normandie Univ, Caen, France ; UNICAEN, EA4652 MILPAT UFR de médecine, Université de Caen, Caen cedex 5, CS14032 Caen, France
| | - Gérard Ewert
- Sexmoor Laboratoires, 13 120 Saint Remy de Provence, France
| | - Karim Boumediene
- Normandie Univ, Caen, France ; UNICAEN, EA4652 MILPAT UFR de médecine, Université de Caen, Caen cedex 5, CS14032 Caen, France
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35
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Liu Q, Lu Z, Wu H, Zheng L. Chondroprotective Effects of Taurine in Primary Cultures of Human Articular Chondrocytes. TOHOKU J EXP MED 2015; 235:201-13. [DOI: 10.1620/tjem.235.201] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Qin Liu
- Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University
- The Medical and Scientific Research Center, Guangxi Medical University
| | - Zhenhui Lu
- The Medical and Scientific Research Center, Guangxi Medical University
| | - Huayu Wu
- Department of Cell Biology and Genetics, School of Premedical Sciences, Guangxi Medical University
| | - Li Zheng
- Guangxi Key Laboratory of Regenerative Medicine, Guangxi Medical University
- The Medical and Scientific Research Center, Guangxi Medical University
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Cai A, Hutchison E, Hudson J, Kawashima Y, Komori N, Singh A, Brush RS, Anderson RE, Sonntag WE, Matsumoto H, Griffin TM. Metabolic enrichment of omega-3 polyunsaturated fatty acids does not reduce the onset of idiopathic knee osteoarthritis in mice. Osteoarthritis Cartilage 2014; 22:1301-9. [PMID: 25008209 PMCID: PMC4150746 DOI: 10.1016/j.joca.2014.06.033] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 05/31/2014] [Accepted: 06/25/2014] [Indexed: 02/06/2023]
Abstract
OBJECTIVE We evaluated the effect of a reduction in the systemic ratio of n-6:n-3 polyunsaturated fatty acids (PUFAs) on changes in inflammation, glucose metabolism, and the idiopathic development of knee osteoarthritis (OA) in mice. We hypothesized that a lower ratio of n-6:n-3 PUFAs would protect against OA markers in cartilage and synovium, but not bone. DESIGN Male and female fat-1 transgenic mice (Fat-1), which convert dietary n-6 to n-3 PUFAs endogenously, and their wild-type (WT) littermates were fed an n-6 PUFA enriched diet for 9-14 months. The effect of gender and genotype on serum PUFAs, interleukin (IL)-6, tumor necrosis factor (TNF)-α, and glucose tolerance was tested by 2-factor analysis of variance (ANOVA). Cortical and trabecular subchondral bone changes were documented by micro-focal computed tomography (CT), and knee OA was assessed by semi-quantitative histomorphometry grading. RESULTS The n-6:n-3 ratio was reduced 12-fold and 7-fold in male and female Fat-1 mice, respectively, compared to WT littermates. IL-6 and TNF-α levels were reduced modestly in Fat-1 mice. However, these systemic changes did not reduce osteophyte development, synovial hyperplasia, or cartilage degeneration. Also the fat-1 transgene did not alter subchondral cortical or trabecular bone morphology or bone mineral density. CONCLUSIONS Reducing the systemic n-6:n-3 ratio does not slow idiopathic changes in cartilage, synovium, or bone associated with early-stage knee OA in mice. The anti-inflammatory and anti-catabolic effects of n-3 PUFAs previously reported for cartilage may be more evident at later stages of disease or in post-traumatic and other inflammatory models of OA.
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Affiliation(s)
- Angela Cai
- Oklahoma School of Science and Mathematics, Oklahoma City, OK 73104, USA
| | - Erin Hutchison
- Free Radical Biology and Aging Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Joanna Hudson
- Free Radical Biology and Aging Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
| | - Yusuke Kawashima
- Dept. of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
,Laboratories of Biomolecular Dynamics, Department of Physics, School of Science, Kitasato University, Kanazawa, Japan
| | - Naoka Komori
- Dept. of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Anil Singh
- Dept. of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Richard S. Brush
- Dept. of Ophthalmology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
,Dean A. McGee Eye Institute, Oklahoma City, OK 73104, USA
| | - Robert E. Anderson
- Dean A. McGee Eye Institute, Oklahoma City, OK 73104, USA
,Dept. of Cell Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - William E. Sonntag
- Dept. of Geriatric Medicine, Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
| | - Hiroyuki Matsumoto
- Dept. of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
,Additional Corresponding Author: Hiroyuki Matsumoto, Ph.D., Professor, Department of Biochemistry and Molecular Biology, 940 Stanton L. Young Blvd., Oklahoma City, OK 73104, Phone: (405) 271-2227; Fax: (405) 271-3092,
| | - Timothy M. Griffin
- Free Radical Biology and Aging Program, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA
,Dept. of Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
,Dept. of Geriatric Medicine, Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
,Corresponding Author: Timothy M. Griffin, Ph.D., Assistant Member, Free Radical Biology and Aging Program, Oklahoma Medical Research Foundation, MS 21, 825 NE 13th St, Oklahoma City, OK 73103, USA, Phone: (405) 271-7579; Fax: (405) 271-1437,
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Sena P, Manfredini G, Benincasa M, Mariani F, Smargiassi A, Catani F, Palumbo C. Up-regulation of the chemo-attractive receptor ChemR23 and occurrence of apoptosis in human chondrocytes isolated from fractured calcaneal osteochondral fragments. J Anat 2014; 224:659-68. [PMID: 24689495 DOI: 10.1111/joa.12176] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/25/2014] [Indexed: 12/27/2022] Open
Abstract
To study the expression level of a panel of pro/anti-apoptotic factors and inflammation-related receptors in chondral fragments from patients undergoing surgical treatment for intra-articular calcaneal fractures, cartilage fragments were retrieved from calcaneal fractures of 20 patients subjected to surgical treatment. Primary cultures were performed using chondral fragments from fractured and control patients. Chondrocyte cultures from each patient of the fractured and control groups were subjected to immunofluorescence staining and quantitatively analyzed under confocal microscopy. Proteins extracted from the cultured chondrocytes taken from the fractured and control groups were processed for Western blot experiments and densitometric analysis. The percentage of apoptotic cells was determined using the cleaved PARP-1 antibody. The proportion of labelled cells was 35% for fractured specimens, compared with 7% for control samples. Quantification of caspase-3 active and Bcl-2 proteins in chondrocyte cultures showed a significant increase of the apoptotic process in fractured specimens compared with control ones. Fractured chondrocytes were positively stained for ChemR23 with statistically significant differences with respect to control samples. Densitometric evaluation of the immunoreactive bands confirmed these observations. Human articular chondrocytes obtained from patients with intra-articular calcaneal fractures express higher levels of pivotal pro-apoptotic factors, and of the chemo-attractive receptor ChemR23, compared with control cultures. On the basis of these observations, the authors hypothesize that consistent prolonged chondrocyte death, associated with the persistence of high levels of pro-inflammatory factors, could enhance the deterioration of cartilage tissue with consequent development of post-traumatic arthritis following intra-articular bone fracture.
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Affiliation(s)
- Paola Sena
- Department of Biomedical, Metabolic and Neural Sciences - Section of Human Morphology, University of Modena and Reggio Emilia, Modena, Italy
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Nobre MEP, Correia AO, Borges MDB, Sampaio TMA, Chakraborty SA, Gonçalves DDO, Brito GADC, Leal LKAM, Felipe CFB, Lucetti DL, Arida RM, Viana GSDB. Eicosapentaenoic acid and docosahexaenoic acid exert anti-inflammatory and antinociceptive effects in rodents at low doses. Nutr Res 2013; 33:422-33. [DOI: 10.1016/j.nutres.2013.02.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2012] [Revised: 02/17/2013] [Accepted: 02/28/2013] [Indexed: 11/16/2022]
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Huang MJ, Wang L, Zheng XC, Zhang ZM, Yan B, Chen TY, Bai XC, Jin DD. Intra-articular lentivirus-mediated insertion of the fat-1 gene ameliorates osteoarthritis. Med Hypotheses 2012; 79:614-6. [PMID: 22939867 DOI: 10.1016/j.mehy.2012.07.035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2012] [Accepted: 07/30/2012] [Indexed: 10/27/2022]
Abstract
Osteoarthritis (OA) is a gradually progressive degenerative disease characterized by gradual inflammatory loss of articular cartilage caused by increased proteolytic catabolism, mediated by interleukin-1 (IL-1), tumor necrosis factor α (TNF-α), matrix metalloproteinase (MMPs), aggrecanases and other proteinases, and reduced anabolism of cartilage components, contributed by interleukin-4 (IL-4), interleukin-10 (IL-10), insulin-like growth factor 1 (IGF-1), transforming growth factor β (TGF-β), and bone morphogenetic proteins (BMPs). Substantial studies showed n-3 polyunsaturated fatty acids (n-3 PUFAs) exhibit a powerful anti-inflammatory effects in and ex vivo through reducing the production of IL-1 and TNF-α and increasing the expression of IL-4, IL-10, TGF-β and IGF-1 in OA. Meanwhile, more convincing results are observed in the fat-1 transgenic mice, which are exogenously inserted in a fat-1 gene from Caenorhabditis elegans, which can endogenously convert n-6 polyunsaturated fatty acids (n-6 PUFAs) to n-3 PUFAs. Taken together, it has long been realized that dietary supplementation with fish oils that are plentiful of n-3 PUFAs can bring benefits in the treatment of osteoarthritis. Previously two phase I human studies based on in vitro transfer of the cDNA via lentivirus to arthritic joints have confirmed its feasibility and safety in human subjects. Consequently, we hypothesis that directly infect the chondrocytes and synoviocytes with lentivirus carrying the fat-1 gene could be a well therapeutic strategy for OA in humans.
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Affiliation(s)
- Min-jun Huang
- Department of Orthopaedic, The Third Affiliated Hospital of Southern Medical University, Guangzhou 510665, Guangdong, PR China
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Nutritional Interventions to Prevent and Treat Osteoarthritis. Part I: Focus on Fatty Acids and Macronutrients. PM R 2012; 4:S145-54. [DOI: 10.1016/j.pmrj.2012.02.022] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2012] [Accepted: 02/27/2012] [Indexed: 02/06/2023]
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Berg V, Sveinbjörnsson B, Bendiksen S, Brox J, Meknas K, Figenschau Y. Human articular chondrocytes express ChemR23 and chemerin; ChemR23 promotes inflammatory signalling upon binding the ligand chemerin(21-157). Arthritis Res Ther 2010; 12:R228. [PMID: 21192818 PMCID: PMC3046541 DOI: 10.1186/ar3215] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2010] [Revised: 10/19/2010] [Accepted: 12/30/2010] [Indexed: 12/12/2022] Open
Abstract
Introduction Chemerin is a chemotactic peptide which directs leukocytes expressing the chemokine-like receptor ChemR23 towards sites of inflammation. ChemR23 is a G protein-coupled receptor which binds several different ligands, and it is also expressed by other cell types such as adipocytes. In addition to chemotaxis, recent reports suggest that ChemR23 is capable of mediating either inflammatory or anti-inflammatory effects, depending on the type of ligand it binds. In the present study, we aimed to clarify whether human chondrocytes express ChemR23 and chemerin, and whether chemerin/ChemR23 signalling could affect secretion of inflammatory mediators. Methods Tissue sections were taken from human knee joints and labelled with antibodies towards chemerin and ChemR23. Chondrocytes from cartilage tissue were isolated, cultured and assessed for chemerin and ChemR23 expression by PCR and immunolabelling. Receptor activation and intracellular signalling were studied by assessment of phosphorylated mitogen activated protein kinases (MAPKs) and phosphorylated Akt after stimulating cells with recombinant chemerin21-157. Biological effects of chemerin21-157 were investigated by measuring secretion of pro-inflammatory cytokines and metalloproteases in cell supernatants. Results Both serially cultured human articular chondrocytes and resident cells in native cartilage expressed chemerin and ChemR23. Stimulating cells with chemerin21-157 resulted in phosphorylation of p44/p42 MAPKs (ERK 1/2) and Akt (Ser 473). Also, significantly enhanced levels of the pro-inflammatory cytokines interleukin-6 (IL-6), interleukin-8 (IL-8), tumour necrosis factor alpha (TNF-α), interleukin-1 beta (IL-1β), and the matrix metalloproteases MMP-1, MMP-2, MMP-3, MMP-8 and MMP-13 were detected. Conclusions These results demonstrate that human chondrocytes express both the receptor ChemR23 and the ligand chemerin. Chemerin21-157 stimulation engaged signal-transduction pathways that further promoted inflammatory signalling in chondrocytes, as judged by an enhanced secretion of cytokines and metalloproteases. Taken together, the previously reported chemotaxis and the present findings suggest that the receptor and its ligand may play pivotal roles in joint inflammation.
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Affiliation(s)
- Vivian Berg
- Department of Laboratory Medicine, University Hospital of North Norway, Sykehusveien 38, N-9038, Tromsø, Norway
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