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Itoigawa Y, Yoshida K, Nojiri H, Morikawa D, Kawasaki T, Wada T, Koga A, Maruyama Y, Ishijima M. Association of Recurrent Tear After Arthroscopic Rotator Cuff Repair and Superoxide-Induced Oxidative Stress. Am J Sports Med 2021; 49:2048-2055. [PMID: 34015239 DOI: 10.1177/03635465211014856] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Recurrent tears after arthroscopic rotator cuff repair (ARCR) remain a significant clinical problem. Oxidative stress contributes to the degeneration of the rotator cuff, and a degenerative rotator cuff can lead to recurrent tear after ARCR. However, the correlation between oxidative stress and retear after ARCR is unclear. PURPOSE To investigate the correlation between superoxide-induced oxidative stress and recurrent tear after ARCR. STUDY DESIGN Case-control study; Level of evidence, 3. METHODS A total of 68 patients who underwent ARCR using a suture-bridge technique participated in this study. Specimens were collected from the edge of the torn tendon during surgery. The modified Bonar score was used to evaluate degeneration of the rotator cuff on histological specimens, and fluorescence intensity on dihydroethidium (DHE) staining was used to detect oxidative stress. Superoxide dismutase (SOD) enzyme activity was also measured. The following were used for clinical evaluation: age, tear size on magnetic resonance imaging (MRI) before surgery, Goutallier classification on MRI before surgery, and Japanese Orthopaedic Association score before and 6 months after surgery. After the repaired rotator cuffs were evaluated on MRI 6 months after surgery, the patients were divided into groups: those with a healed rotator cuff (healed group; n = 46) and those with a recurrent tear (retear group; n = 22). The significant differences between the groups were determined with regard to clinical evaluation, modified Bonar score, DHE intensity, and SOD activity. In addition, multivariate logistic regression analysis was performed to investigate risk factors for recurrent tear. RESULTS Age, tear size, Goutallier classification, modified Bonar score, DHE intensity, and SOD activity were significantly greater in the retear group than in the healed group, although the Japanese Orthopaedic Association score was not significantly different. Multiple logistic regression analysis demonstrated that age, tear size, and SOD activity were significantly correlated with recurrent tear. CONCLUSION In addition to tear size and age, superoxide-induced oxidative stress may be an exacerbating factor for retear after ARCR.
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Affiliation(s)
- Yoshiaki Itoigawa
- Department of Orthopaedic Surgery, Juntendo University Urayasu Hospital, Urayasu, Japan
| | - Keiichi Yoshida
- Department of Orthopaedic Surgery, Juntendo University Urayasu Hospital, Urayasu, Japan
| | - Hidetoshi Nojiri
- Department of Orthopaedic Surgery, Juntendo University, Tokyo, Japan
| | - Daichi Morikawa
- Department of Orthopaedic Surgery, Juntendo University Urayasu Hospital, Urayasu, Japan
| | - Takayuki Kawasaki
- Department of Orthopaedic Surgery, Juntendo University, Tokyo, Japan
| | - Tomoki Wada
- Department of Orthopaedic Surgery, Juntendo University Urayasu Hospital, Urayasu, Japan
| | - Akihisa Koga
- Department of Orthopaedic Surgery, Juntendo University Urayasu Hospital, Urayasu, Japan
| | - Yuichiro Maruyama
- Department of Orthopaedic Surgery, Juntendo University Urayasu Hospital, Urayasu, Japan
| | - Muneaki Ishijima
- Department of Orthopaedic Surgery, Juntendo University, Tokyo, Japan
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Yue L, Vuong B, Yao H, Owens BD. Doxycycline preserves chondrocyte viability and function in human and calf articular cartilage ex vivo. Physiol Rep 2021; 8:e14571. [PMID: 32918797 PMCID: PMC7507091 DOI: 10.14814/phy2.14571] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/13/2020] [Accepted: 08/14/2020] [Indexed: 01/08/2023] Open
Abstract
Prolonging chondrocyte survival is essential to ensure fresh osteochondral (OC) grafts for treatment of articular cartilage lesions. Doxycycline has been shown to enhance cartilage growth, disrupt terminal differentiation of chondrocytes, and inhibit cartilage matrix degradation. It is unknown whether doxycycline prolongs chondrocyte survival in OC grafts. We hypothesized that doxycycline protects against chondrocyte death and maintains function of articular cartilage. To test this hypothesis, we employed human and calf articular cartilages, and incubated chondrocytes isolated from cartilage or cartilage plugs with doxycycline (0, 1 or 10 μg/ml) at either 37°C or 4°C. Chondrocyte viability, apoptosis, glycosaminoglycan (GAG), collagen, and mechanical test in cartilage plugs were measured. We found that reduced chondrocyte viability, increased chondrocyte apoptosis, reduced GAG contents, and impaired equilibrium modulus in cartilage plugs were observed in a time-dependent manner at both 37°C and 4°C. Chondrocyte viability was further reduced when the plugs were cultured at 4°C as compared to 37°C. Doxycycline prolonged viability and reduced apoptosis of chondrocytes during culture of cartilage plugs. Functionally, doxycycline protected against reduced production of GAG and collagen II as well as impaired mechanical properties in cartilage plugs during culture. Mechanistically, doxycycline increased mitochondrial respiration in cultured chondrocytes. In conclusion, preservation at 37°C is beneficial for maintaining chondrocyte viability in cartilage plugs compared to 4°C. Incubation of doxycycline protects against chondrocyte apoptosis, reduced extracellular matrix, and impaired mechanical properties in cartilage plugs. The findings provide a potential approach using doxycycline at 37°C to preserve chondrocyte viability in fresh OC grafts for treatment of articular cartilage lesions.
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Affiliation(s)
- Li Yue
- Department of Orthopaedics, Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI, USA
| | - Brian Vuong
- Department of Orthopaedic Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Hongwei Yao
- Department of Molecular Biology, Cell Biology and Biochemistry, Division of Biology and Medicine, Brown University, Providence, RI, USA
| | - Brett D Owens
- Department of Orthopaedics, Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI, USA.,University Orthopedics, East Providence, RI, USA
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53
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Tudorachi NB, Totu EE, Fifere A, Ardeleanu V, Mocanu V, Mircea C, Isildak I, Smilkov K, Cărăuşu EM. The Implication of Reactive Oxygen Species and Antioxidants in Knee Osteoarthritis. Antioxidants (Basel) 2021; 10:985. [PMID: 34205576 PMCID: PMC8233827 DOI: 10.3390/antiox10060985] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 06/11/2021] [Accepted: 06/17/2021] [Indexed: 12/16/2022] Open
Abstract
Knee osteoarthritis (KOA) is a chronic multifactorial pathology and a current and essential challenge for public health, with a negative impact on the geriatric patient's quality of life. The pathophysiology is not fully known; therefore, no specific treatment has been found to date. The increase in the number of newly diagnosed cases of KOA is worrying, and it is essential to reduce the risk factors and detect those with a protective role in this context. The destructive effects of free radicals consist of the acceleration of chondrosenescence and apoptosis. Among other risk factors, the influence of redox imbalance on the homeostasis of the osteoarticular system is highlighted. The evolution of KOA can be correlated with oxidative stress markers or antioxidant status. These factors reveal the importance of maintaining a redox balance for the joints and the whole body's health, emphasizing the importance of an individualized therapeutic approach based on antioxidant effects. This paper aims to present an updated picture of the implications of reactive oxygen species (ROS) in KOA from pathophysiological and biochemical perspectives, focusing on antioxidant systems that could establish the premises for appropriate treatment to restore the redox balance and improve the condition of patients with KOA.
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Affiliation(s)
- Nicoleta Bianca Tudorachi
- Faculty of Medicine, “Ovidius” University of Constanța, Mamaia Boulevard 124, 900527 Constanța, Romania; (N.B.T.); (V.A.)
| | - Eugenia Eftimie Totu
- Faculty of Applied Chemistry and Material Science, University Politehnica of Bucharest, 1–5 Polizu Street, 011061 Bucharest, Romania
| | - Adrian Fifere
- Centre of Advanced Research in Bionanoconjugates and Biopolymers Department, “Petru Poni” Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Valeriu Ardeleanu
- Faculty of Medicine, “Ovidius” University of Constanța, Mamaia Boulevard 124, 900527 Constanța, Romania; (N.B.T.); (V.A.)
| | - Veronica Mocanu
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy Iasi, 700115 Iasi, Romania; (V.M.); (C.M.)
| | - Cornelia Mircea
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy Iasi, 700115 Iasi, Romania; (V.M.); (C.M.)
| | - Ibrahim Isildak
- Faculty of Chemistry-Metallurgy, Department of Bioengineering, Yildiz Technical University, Istanbul 34220, Turkey;
| | - Katarina Smilkov
- Faculty of Medical Sciences, Division of Pharmacy, Department of Applied Pharmacy, Goce Delcev University, Krste Misirkov Street, No. 10-A, 2000 Stip, North Macedonia;
| | - Elena Mihaela Cărăuşu
- Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, “Nicolae Leon” Building, 13 Grigore Ghica Street, 700259 Iasi, Romania;
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Kwok AT, Mohamed NS, Plate JF, Yammani RR, Rosas S, Bateman TA, Livingston E, Moore JE, Kerr BA, Lee J, Furdui CM, Tan L, Bouxsein ML, Ferguson VL, Stodieck LS, Zawieja DC, Delp MD, Mao XW, Willey JS. Spaceflight and hind limb unloading induces an arthritic phenotype in knee articular cartilage and menisci of rodents. Sci Rep 2021; 11:10469. [PMID: 34006989 PMCID: PMC8131644 DOI: 10.1038/s41598-021-90010-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 04/15/2021] [Indexed: 11/18/2022] Open
Abstract
Reduced knee weight-bearing from prescription or sedentary lifestyles are associated with cartilage degradation; effects on the meniscus are unclear. Rodents exposed to spaceflight or hind limb unloading (HLU) represent unique opportunities to evaluate this question. This study evaluated arthritic changes in the medial knee compartment that bears the highest loads across the knee after actual and simulated spaceflight, and recovery with subsequent full weight-bearing. Cartilage and meniscal degradation in mice were measured via microCT, histology, and proteomics and/or biochemically after: (1) ~ 35 days on the International Space Station (ISS); (2) 13-days aboard the Space Shuttle Atlantis; or (3) 30 days of HLU, followed by a 49-day weight-bearing readaptation with/without exercise. Cartilage degradation post-ISS and HLU occurred at similar spatial locations, the tibial-femoral cartilage-cartilage contact point, with meniscal volume decline. Cartilage and meniscal glycosaminoglycan content were decreased in unloaded mice, with elevated catabolic enzymes (e.g., matrix metalloproteinases), and elevated oxidative stress and catabolic molecular pathway responses in menisci. After the 13-day Shuttle flight, meniscal degradation was observed. During readaptation, recovery of cartilage volume and thickness occurred with exercise. Reduced weight-bearing from either spaceflight or HLU induced an arthritic phenotype in cartilage and menisci, and exercise promoted recovery.
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Affiliation(s)
- Andy T Kwok
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Nequesha S Mohamed
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Johannes F Plate
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Raghunatha R Yammani
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA.,Department of Internal Medicine, Section of Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Samuel Rosas
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Ted A Bateman
- Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC, USA
| | - Eric Livingston
- Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC, USA
| | - Joseph E Moore
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA
| | - Bethany A Kerr
- Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA.,Department of Cancer Biology, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Jingyun Lee
- Department of Internal Medicine, Section of Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA.,Proteomics and Metabolomics Shared Resource, Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Cristina M Furdui
- Department of Internal Medicine, Section of Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA.,Proteomics and Metabolomics Shared Resource, Comprehensive Cancer Center, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Li Tan
- Department of Internal Medicine, Section of Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Mary L Bouxsein
- Department of Orthopedic Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Virginia L Ferguson
- Department of Mechanical Engineering, University of Colorado At Boulder, Boulder, CO, USA
| | - Louis S Stodieck
- BioServe Space Technologies, Aerospace Engineering Sciences, University of Colorado At Boulder, Boulder, CO, USA
| | - David C Zawieja
- Department of Medical Physiology, Texas A&M University Medical School, Bryan, TX, USA
| | - Michael D Delp
- Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL, USA
| | - Xiao W Mao
- Division of Biomedical Engineering Sciences (BMES), Department of Basic Sciences, Loma Linda University, Loma Linda, CA, USA
| | - Jeffrey S Willey
- Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, NC, 27157, USA. .,Department of Orthopaedic Surgery, Wake Forest School of Medicine, Winston-Salem, NC, USA.
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55
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Jiang W, Liu H, Wan R, Wu Y, Shi Z, Huang W. Mechanisms linking mitochondrial mechanotransduction and chondrocyte biology in the pathogenesis of osteoarthritis. Ageing Res Rev 2021; 67:101315. [PMID: 33684550 DOI: 10.1016/j.arr.2021.101315] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 02/12/2021] [Accepted: 03/01/2021] [Indexed: 12/11/2022]
Abstract
Mechanical loading is essential for chondrocyte health. Chondrocytes can sense and respond to various extracellular mechanical signals through an integrated set of mechanisms. Recently, it has been found that mitochondria, acting as critical mechanotransducers, are at the intersection between extracellular mechanical signals and chondrocyte biology. Much attention has been focused on identifying how mechanical loading-induced mitochondrial dysfunction contributes to the pathogenesis of osteoarthritis. In contrast, little is known regarding the mechanisms underlying functional alterations in mitochondria induced by mechanical stimulation. In this review, we describe how chondrocytes perceive environmental mechanical signals. We discuss how mechanical load induces mitochondrial functional alterations and highlight the major unanswered questions in this field. We speculate that AMP-activated protein kinase (AMPK), a master regulator of energy homeostasis, may play an important role in coupling force transmission to mitochondrial health and intracellular biological responses.
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56
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KOROTKYI OH, DVORSHCHENKO KO, KOT LI, TYMOSHENKO MO, SAVCHUK OM, ABENAVOLI L, OSTAPCHENKO LI. The combination of chondroitin sulfate and probiotic prevents oxidative stress in the serum of rats with experimental osteoarthritis. MINERVA BIOTECHNOLOGY AND BIOMOLECULAR RESEARCH 2021. [DOI: 10.23736/s2724-542x.21.02774-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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57
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Watanabe K, Shibuya S, Ozawa Y, Toda T, Shimizu T. Pathological Relationship between Intracellular Superoxide Metabolism and p53 Signaling in Mice. Int J Mol Sci 2021; 22:3548. [PMID: 33805584 PMCID: PMC8037821 DOI: 10.3390/ijms22073548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/23/2021] [Accepted: 03/23/2021] [Indexed: 11/16/2022] Open
Abstract
Intracellular superoxide dismutases (SODs) maintain tissue homeostasis via superoxide metabolism. We previously reported that intracellular reactive oxygen species (ROS), including superoxide accumulation caused by cytoplasmic SOD (SOD1) or mitochondrial SOD (SOD2) insufficiency, induced p53 activation in cells. SOD1 loss also induced several age-related pathological changes associated with increased oxidative molecules in mice. To evaluate the contribution of p53 activation for SOD1 knockout (KO) (Sod1-/-) mice, we generated SOD1 and p53 KO (double-knockout (DKO)) mice. DKO fibroblasts showed increased cell viability with decreased apoptosis compared with Sod1-/- fibroblasts. In vivo experiments revealed that p53 insufficiency was not a great contributor to aging-like tissue changes but accelerated tumorigenesis in Sod1-/- mice. Furthermore, p53 loss failed to improve dilated cardiomyopathy or the survival in heart-specific SOD2 conditional KO mice. These data indicated that p53 regulated ROS-mediated apoptotic cell death and tumorigenesis but not ROS-mediated tissue degeneration in SOD-deficient models.
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Affiliation(s)
- Kenji Watanabe
- Aging Stress Response Research Project Team, National Center for Geriatrics and Gerontology, Obu 474-8511, Aichi, Japan; (K.W.); (S.S.)
| | - Shuichi Shibuya
- Aging Stress Response Research Project Team, National Center for Geriatrics and Gerontology, Obu 474-8511, Aichi, Japan; (K.W.); (S.S.)
| | - Yusuke Ozawa
- Department of Endocrinology, Hematology and Gerontology, Chiba University Graduate School of Medicine, Chiba 260-8677, Chiba, Japan; (Y.O.); (T.T.)
| | - Toshihiko Toda
- Department of Endocrinology, Hematology and Gerontology, Chiba University Graduate School of Medicine, Chiba 260-8677, Chiba, Japan; (Y.O.); (T.T.)
| | - Takahiko Shimizu
- Aging Stress Response Research Project Team, National Center for Geriatrics and Gerontology, Obu 474-8511, Aichi, Japan; (K.W.); (S.S.)
- Department of Endocrinology, Hematology and Gerontology, Chiba University Graduate School of Medicine, Chiba 260-8677, Chiba, Japan; (Y.O.); (T.T.)
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58
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Sanada Y, Tan SJO, Adachi N, Miyaki S. Pharmacological Targeting of Heme Oxygenase-1 in Osteoarthritis. Antioxidants (Basel) 2021; 10:antiox10030419. [PMID: 33803317 PMCID: PMC8001640 DOI: 10.3390/antiox10030419] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/19/2021] [Accepted: 03/02/2021] [Indexed: 12/17/2022] Open
Abstract
Osteoarthritis (OA) is a common aging-associated disease that clinically manifests as joint pain, mobility limitations, and compromised quality of life. Today, OA treatment is limited to pain management and joint arthroplasty at the later stages of disease progression. OA pathogenesis is predominantly mediated by oxidative damage to joint cartilage extracellular matrix and local cells such as chondrocytes, osteoclasts, osteoblasts, and synovial fibroblasts. Under normal conditions, cells prevent the accumulation of reactive oxygen species (ROS) under oxidatively stressful conditions through their adaptive cytoprotective mechanisms. Heme oxygenase-1 (HO-1) is an iron-dependent cytoprotective enzyme that functions as the inducible form of HO. HO-1 and its metabolites carbon monoxide and biliverdin contribute towards the maintenance of redox homeostasis. HO-1 expression is primarily regulated at the transcriptional level through transcriptional factor nuclear factor erythroid 2 (NF-E2)-related factor 2 (Nrf2), specificity protein 1 (Sp1), transcriptional repressor BTB-and-CNC homology 1 (Bach1), and epigenetic regulation. Several studies report that HO-1 expression can be regulated using various antioxidative factors and chemical compounds, suggesting therapeutic implications in OA pathogenesis as well as in the wider context of joint disease. Here, we review the protective role of HO-1 in OA with a focus on the regulatory mechanisms that mediate HO-1 activity.
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Affiliation(s)
- Yohei Sanada
- Medical Center for Translational and Clinical Research, Hiroshima University Hospital, Hiroshima 7348551, Japan;
- Department of Orthopaedic Surgery, Graduate School of Biomedical & Health Sciences, Hiroshima University, Hiroshima 7348551, Japan; (S.J.O.T.); (N.A.)
| | - Sho Joseph Ozaki Tan
- Department of Orthopaedic Surgery, Graduate School of Biomedical & Health Sciences, Hiroshima University, Hiroshima 7348551, Japan; (S.J.O.T.); (N.A.)
| | - Nobuo Adachi
- Department of Orthopaedic Surgery, Graduate School of Biomedical & Health Sciences, Hiroshima University, Hiroshima 7348551, Japan; (S.J.O.T.); (N.A.)
| | - Shigeru Miyaki
- Medical Center for Translational and Clinical Research, Hiroshima University Hospital, Hiroshima 7348551, Japan;
- Department of Orthopaedic Surgery, Graduate School of Biomedical & Health Sciences, Hiroshima University, Hiroshima 7348551, Japan; (S.J.O.T.); (N.A.)
- Correspondence: ; Tel.: +81-82-257-5231
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59
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Zheng L, Zhang Z, Sheng P, Mobasheri A. The role of metabolism in chondrocyte dysfunction and the progression of osteoarthritis. Ageing Res Rev 2021; 66:101249. [PMID: 33383189 DOI: 10.1016/j.arr.2020.101249] [Citation(s) in RCA: 285] [Impact Index Per Article: 95.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/16/2020] [Accepted: 12/21/2020] [Indexed: 02/07/2023]
Abstract
Osteoarthritis (OA) is a degenerative joint disease characterized by low-grade inflammation and high levels of clinical heterogeneity. Aberrant chondrocyte metabolism is a response to changes in the inflammatory microenvironment and may play a key role in cartilage degeneration and OA progression. Under conditions of environmental stress, chondrocytes tend to adapt their metabolism to microenvironmental changes by shifting from one metabolic pathway to another, for example from oxidative phosphorylation to glycolysis. Similar changes occur in other joint cells, including synoviocytes. Switching between these pathways is implicated in metabolic alterations that involve mitochondrial dysfunction, enhanced anaerobic glycolysis, and altered lipid and amino acid metabolism. The shift between oxidative phosphorylation and glycolysis is mainly regulated by the AMP-activated protein kinase (AMPK) and mechanistic target of rapamycin (mTOR) pathways. Chondrocyte metabolic changes are likely to be a feature of different OA phenotypes. Determining the role of chondrocyte metabolism in OA has revealed key features of disease pathogenesis. Future research should place greater emphasis on immunometabolism and altered metabolic pathways as a means to understand the pathophysiology of age-related OA. This knowledge will advance the development of new drugs against therapeutic targets of metabolic significance.
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Affiliation(s)
- Linli Zheng
- Department of Joint Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080 China
| | - Ziji Zhang
- Department of Joint Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080 China
| | - Puyi Sheng
- Department of Joint Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080 China.
| | - Ali Mobasheri
- Department of Joint Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080 China; Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, PO Box 5000, FI-90014 Oulu, Finland; Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, LT-08406, Vilnius, Lithuania; Departments of Orthopedics, Rheumatology and Clinical Immunology, University Medical Center Utrecht, 508 GA, Utrecht, The Netherlands.
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60
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Chen Y, Wu YY, Si HB, Lu YR, Shen B. Mechanistic insights into AMPK-SIRT3 positive feedback loop-mediated chondrocyte mitochondrial quality control in osteoarthritis pathogenesis. Pharmacol Res 2021; 166:105497. [PMID: 33609697 DOI: 10.1016/j.phrs.2021.105497] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 02/09/2021] [Accepted: 02/14/2021] [Indexed: 02/08/2023]
Abstract
Osteoarthritis (OA) is a major cause of disability in the elderly population and represents a significant public health problem and socioeconomic burden worldwide. However, no disease-modifying therapeutics are currently available for OA due to an insufficient understanding of the pathogenesis of this disability. As a unique cell type in cartilage, chondrocytes are essential for cartilage homeostasis and play a critical role in OA pathogenesis. Mitochondria are important metabolic centers in chondrocytes and contribute to cell survival, and mitochondrial quality control (MQC) is an emerging mechanism for maintaining cell homeostasis. An increasing number of recent studies have demonstrated that dysregulation of the key processes of chondrocyte MQC, which involve mitochondrial redox, biogenesis, dynamics, and mitophagy, is associated with OA pathogenesis and can be regulated by the chondroprotective molecules 5' adenosine monophosphate-activated protein kinase (AMPK) and sirtuin 3 (SIRT3). Moreover, AMPK and SIRT3 regulate each other, and their expression and activity are always consistent in chondrocytes, which suggests the existence of an AMPK-SIRT3 positive feedback loop (PFL). Although the precise mechanisms are not fully elucidated and need further validation, the current literature indicates that this AMPK-SIRT3 PFL regulates OA development and progression, at least partially by mediating chondrocyte MQC. Therefore, understanding the mechanisms of AMPK-SIRT3 PFL-mediated chondrocyte MQC in OA pathogenesis might yield new ideas and potential targets for subsequent research on the OA pathomechanism and therapeutics.
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Affiliation(s)
- Yang Chen
- Department of Orthopaedics, Key Laboratory of Transplant Engineering and Immunology, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yong-Yao Wu
- West China College of Stomatology, Sichuan University, Chengdu 610041, China
| | - Hai-Bo Si
- Department of Orthopaedics, Key Laboratory of Transplant Engineering and Immunology, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Yan-Rong Lu
- Department of Orthopaedics, Key Laboratory of Transplant Engineering and Immunology, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Bin Shen
- Department of Orthopaedics, Key Laboratory of Transplant Engineering and Immunology, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu 610041, China
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61
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He Y, Makarczyk MJ, Lin H. Role of mitochondria in mediating chondrocyte response to mechanical stimuli. Life Sci 2020; 263:118602. [PMID: 33086121 PMCID: PMC7736591 DOI: 10.1016/j.lfs.2020.118602] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/22/2020] [Accepted: 10/11/2020] [Indexed: 12/21/2022]
Abstract
As the most common form of arthritis, osteoarthritis (OA) has become a major cause of severe joint pain, physical disability, and quality of life impairment in the affected population. To date, precise pathogenesis of OA has not been fully clarified, which leads to significant obstacles in developing efficacious treatments such as failures in finding disease-modifying OA drugs (DMOADs) in the last decades. Given that diarthrodial joints primarily display the weight-bearing and movement-supporting function, it is not surprising that mechanical stress represents one of the major risk factors for OA. However, the inner connection between mechanical stress and OA onset/progression has yet to be explored. Mitochondrion, a widespread organelle involved in complex biological regulation processes such as adenosine triphosphate (ATP) synthesis and cellular metabolism, is believed to have a controlling role in the survival and function implement of chondrocytes, the singular cell type within cartilage. Mitochondrial dysfunction has also been observed in osteoarthritic chondrocytes. In this review, we systemically summarize mitochondrial alterations in chondrocytes during OA progression and discuss our recent progress in understanding the potential role of mitochondria in mediating mechanical stress-associated osteoarthritic alterations of chondrocytes. In particular, we propose the potential signaling pathways that may regulate this process, which provide new views and therapeutic targets for the prevention and treatment of mechanical stress-associated OA.
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Affiliation(s)
- Yuchen He
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Meagan J Makarczyk
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, United States of America; Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, United States of America
| | - Hang Lin
- Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, United States of America; Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, United States of America; McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, United States of America.
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Oxidative Stress Induces Chondrocyte Apoptosis through Caspase-Dependent and Caspase-Independent Mitochondrial Pathways and the Antioxidant Mechanism of Angelica Sinensis Polysaccharide. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:3240820. [PMID: 33224431 PMCID: PMC7669361 DOI: 10.1155/2020/3240820] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 10/08/2020] [Accepted: 10/12/2020] [Indexed: 01/03/2023]
Abstract
Introduction Chondrocyte apoptosis is considered one of the pathogenic factors of osteoarthritis (OA), but its importance in the pathogenesis of OA remains unclear. Recent research adds progress to the knowledge that the mitochondrial signaling pathway mediates chondrocyte apoptosis in OA. Method Rat chondrocyte exposed to H2O2 was used as the experimental oxidative stress model. Chondrocyte viability was tested by cell counting kit-8 (CCK-8) assay. Cell apoptosis and ROS were tested by flow cytometry. Contents of malondialdehyde (MDA), catalase (CAT), caspase-3, caspase-9, cytochrome C, superoxide dismutase (SOD)-2, and adenosine triphosphate (ATP) were evaluated by biochemical detection. The expressions of related genes and proteins were assessed by quantitative polymerase chain reaction (qPCR) and western blot. Results H2O2 provokes oxidative stress and decreases the viability of chondrocyte, which leads to the release of cytochrome C and inhibition of SOD-2 activity. The damage of mitochondrion disturbs the energy metabolism of chondrocyte and eventually induces chondrocyte apoptosis through the mitochondrial pathway. Furthermore, pretreated with anglicasinensis polysaccharide (ASP) or caspase inhibitors increase the expression of Bcl-2 and Bcl-xL but do not work for the expression of Bax and Bad. Conclusion Oxidative stress induces chondrocyte apoptosis through caspase-dependent and caspase-independent mitochondrial pathways. ASP protects chondrocyte from H2O2-induced oxidative stress and subsequent cell injury through its antioxidant effect by inhibiting the caspase pathway.
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Sun X, Duan H, Xiao L, Yao S, He Q, Chen X, Zhang W, Ma J. Identification of key genes in osteoarthritis using bioinformatics, principal component analysis and meta-analysis. Exp Ther Med 2020; 21:18. [PMID: 33235627 PMCID: PMC7678638 DOI: 10.3892/etm.2020.9450] [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: 04/20/2018] [Accepted: 11/22/2018] [Indexed: 11/30/2022] Open
Abstract
The present study aimed to identify key genes involved in osteoarthritis (OA). Based on a bioinformatics analysis of five gene expression profiling datasets (GSE55457, GSE55235, GSE82107, GSE12021 and GSE1919), differentially expressed genes (DEGs) in OA were identified. Subsequently, a protein-protein interaction (PPI) network was constructed and its topological structure was analyzed. In addition, key genes in OA were identified following a principal component analysis (PCA) based on the DEGs in the PPI network. Finally, the functions and pathways enriched by these key genes were also analyzed. The PPI network consisted of 241 nodes and 576 interactives, including a total of 171 upregulated DEGs [e.g., aspartylglucosaminidase (AGA), CD58 and CD86] and a total of 70 downregulated DEGs (e.g., acetyl-CoA carboxylase β and dihydropyrimidine dehydrogenase). The PPI network complied with an attribute of scale-free small-world network. After PCA, 47 key genes were identified, including β-1,4-galactosyltransferase-1 (B4GALT1), AGA, CD58, CD86, ezrin, and eukaryotic translation initiation factor 4 γ 1 (EIF4G1). Subsequently, the 47 key genes were identified to be enriched in 13 Gene Ontology (GO) terms and 2 Kyoto Encyclopedia of Genes and Genomes pathways, with the GO terms involving B4GALT1 including positive regulation of developmental processes, protein amino acid terminal glycosylation and protein amino acid terminal N-glycosylation. In addition, B4GALT1 and EIF4G1 were confirmed to be downregulated in OA samples compared with healthy controls, but only EIF4G1 was determined to be significantly downregulated in OA samples, as determined via a meta-analysis of the 5 abovementioned datasets. In conclusion, B4GALT1 and EIF4G1 were indicated to have significant roles in OA, and B4GALT1 may be involved in positive regulation of developmental processes, protein amino acid terminal glycosylation and protein amino acid terminal N-glycosylation. The present study may enhance the current understanding of the molecular mechanisms of OA and provide novel therapeutic targets.
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Affiliation(s)
- Xiangxiang Sun
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Honghao Duan
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Lin Xiao
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Shuxin Yao
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Qiang He
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Xinlin Chen
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Weijie Zhang
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
| | - Jianbing Ma
- Department of Knee Surgery, Hong-Hui Hospital, Xi'an Jiaotong University College of Medicine, Xi'an, Shaanxi 710054, P.R. China
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Brand MD. Riding the tiger - physiological and pathological effects of superoxide and hydrogen peroxide generated in the mitochondrial matrix. Crit Rev Biochem Mol Biol 2020; 55:592-661. [PMID: 33148057 DOI: 10.1080/10409238.2020.1828258] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Elevated mitochondrial matrix superoxide and/or hydrogen peroxide concentrations drive a wide range of physiological responses and pathologies. Concentrations of superoxide and hydrogen peroxide in the mitochondrial matrix are set mainly by rates of production, the activities of superoxide dismutase-2 (SOD2) and peroxiredoxin-3 (PRDX3), and by diffusion of hydrogen peroxide to the cytosol. These considerations can be used to generate criteria for assessing whether changes in matrix superoxide or hydrogen peroxide are both necessary and sufficient to drive redox signaling and pathology: is a phenotype affected by suppressing superoxide and hydrogen peroxide production; by manipulating the levels of SOD2, PRDX3 or mitochondria-targeted catalase; and by adding mitochondria-targeted SOD/catalase mimetics or mitochondria-targeted antioxidants? Is the pathology associated with variants in SOD2 and PRDX3 genes? Filtering the large literature on mitochondrial redox signaling using these criteria highlights considerable evidence that mitochondrial superoxide and hydrogen peroxide drive physiological responses involved in cellular stress management, including apoptosis, autophagy, propagation of endoplasmic reticulum stress, cellular senescence, HIF1α signaling, and immune responses. They also affect cell proliferation, migration, differentiation, and the cell cycle. Filtering the huge literature on pathologies highlights strong experimental evidence that 30-40 pathologies may be driven by mitochondrial matrix superoxide or hydrogen peroxide. These can be grouped into overlapping and interacting categories: metabolic, cardiovascular, inflammatory, and neurological diseases; cancer; ischemia/reperfusion injury; aging and its diseases; external insults, and genetic diseases. Understanding the involvement of mitochondrial matrix superoxide and hydrogen peroxide concentrations in these diseases can facilitate the rational development of appropriate therapies.
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Zhang ZD, Huang MZ, Yang YJ, Liu XW, Qin Z, Li SH, Li JY. Aspirin Eugenol Ester Attenuates Paraquat-Induced Hepatotoxicity by Inhibiting Oxidative Stress. Front Physiol 2020; 11:582801. [PMID: 33192594 PMCID: PMC7642976 DOI: 10.3389/fphys.2020.582801] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 10/05/2020] [Indexed: 12/22/2022] Open
Abstract
Aspirin eugenol ester (AEE) is a new potential drug with anti-inflammatory and antioxidant stress pharmacological activity. Paraquat (PQ) is an effective and commercially important herbicide that is widely used worldwide. However, paraquat is highly toxic and can cause various complications and acute organ damage, such as liver, kidney and lung damage. The purpose of this study was to investigate whether AEE has a protective effect on hepatotoxicity induced by PQ in vivo and in vitro. Cell viability, apoptosis rate, mitochondrial function and intracellular oxidative stress were detected to evaluate the protective effect of AEE on PQ-induced BRL-3A (normal rat hepatocytes) cytotoxicity in vitro. In vivo, AEE pretreatment could attenuate oxidative stress and histopathological changes in rat liver induced by PQ. The results showed that AEE could reduce the hepatotoxicity induced by PQ in vivo and in vitro. AEE reduced PQ-induced hepatotoxicity by inhibitingoxidative stress and maintaining mitochondrial function. This study proved that AEE is an effective antioxidant and can reduce the hepatotoxicity of PQ.
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Affiliation(s)
- Zhen-Dong Zhang
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou, China
| | - Mei-Zhou Huang
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou, China
| | - Ya-Jun Yang
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou, China
| | - Xi-Wang Liu
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou, China
| | - Zhe Qin
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou, China
| | - Shi-Hong Li
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou, China
| | - Jian-Yong Li
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou, China
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Shao Z, Pan Z, Lin J, Zhao Q, Wang Y, Ni L, Feng S, Tian N, Wu Y, Sun L, Gao W, Zhou Y, Zhang X, Wang X. S-allyl cysteine reduces osteoarthritis pathology in the tert-butyl hydroperoxide-treated chondrocytes and the destabilization of the medial meniscus model mice via the Nrf2 signaling pathway. Aging (Albany NY) 2020; 12:19254-19272. [PMID: 33027770 PMCID: PMC7732291 DOI: 10.18632/aging.103757] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 06/19/2020] [Indexed: 01/24/2023]
Abstract
In this study, we used murine chondrocytes as an in vitro model and mice exhibiting destabilization of the medial meniscus (DMM) as an in vivo model to investigate the mechanisms through which S-allyl cysteine (SAC) alleviates osteoarthritis (OA). SAC significantly reduced apoptosis and senescence and maintained homeostasis of extracellular matrix (ECM) metabolism in tert-butyl hydroperoxide (TBHP)-treated chondrocytes. Molecular docking analysis showed a -CDOCKER interaction energy value of 203.76 kcal/mol for interactions between SAC and nuclear factor erythroid 2-related factor 2 (Nrf2). SAC increased the nuclear translocation of Nrf2 and activated the Nrf2/HO1 signaling pathway in TBHP-treated chondrocytes. Furthermore, Nrf2 knockdown abrogated the antiapoptotic, antisenescence, and ECM regulatory effects of SAC in TBHP-treated chondrocytes. SAC treatment also significantly reduced cartilage ossification and erosion, joint-space narrowing, synovial thickening and hypercellularity in DMM model mice. Collectively, these findings show that SAC ameliorates OA pathology in TBHP-treated chondrocytes and DMM model mice by activating the Nrf2/HO1 signaling pathway.
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Affiliation(s)
- Zhenxuan Shao
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Zongyou Pan
- Department of Orthopedics, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
| | - Jialiang Lin
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Qingqian Zhao
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Yuqian Wang
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Libin Ni
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Shiyi Feng
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Naifeng Tian
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Yaosen Wu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Liaojun Sun
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Weiyang Gao
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Yifei Zhou
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Xiaolei Zhang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Chinese Orthopedic Regenerative Medicine Society, Hangzhou, Zhejiang Province, China
| | - Xiangyang Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China,Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China,The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
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He Y, Wu Z, Xu L, Xu K, Chen Z, Ran J, Wu L. The role of SIRT3-mediated mitochondrial homeostasis in osteoarthritis. Cell Mol Life Sci 2020; 77:3729-3743. [PMID: 32468094 PMCID: PMC11105031 DOI: 10.1007/s00018-020-03497-9] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 02/07/2020] [Accepted: 03/02/2020] [Indexed: 12/13/2022]
Abstract
Osteoarthritis is the most common degenerative joint disease and causes major pain and disability in adults. It has been reported that mitochondrial dysfunction in chondrocytes is associated with osteoarthritis. Sirtuins are a family of nicotinamide adenine dinucleotide-dependent histone deacetylases that have the ability to deacetylate protein targets and play an important role in the regulation of cell physiological and pathological processes. Among sirtuin family members, sirtuin 3, which is mainly located in mitochondria, can exert its deacetylation activity to regulate mitochondrial function, regeneration, and dynamics; these processes are presently recognized to maintain redox homeostasis to prevent oxidative stress in cell metabolism. In this review, we provide present opinions on the effect of mitochondrial dysfunction in osteoarthritis. Furthermore, the potential protective mechanism of SIRT3-mediated mitochondrial homeostasis in the progression of osteoarthritis is discussed.
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Affiliation(s)
- Yuzhe He
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhipeng Wu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Langhai Xu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Kai Xu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhonggai Chen
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jisheng Ran
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
| | - Lidong Wu
- Department of Orthopedic Surgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.
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Arthritis and the role of endogenous glucocorticoids. Bone Res 2020; 8:33. [PMID: 32963891 PMCID: PMC7478967 DOI: 10.1038/s41413-020-00112-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 07/09/2020] [Accepted: 07/27/2020] [Indexed: 12/17/2022] Open
Abstract
Rheumatoid arthritis and osteoarthritis, the most common forms of arthritis, are chronic, painful, and disabling conditions. Although both diseases differ in etiology, they manifest in progressive joint destruction characterized by pathological changes in the articular cartilage, bone, and synovium. While the potent anti-inflammatory properties of therapeutic (i.e., exogenous) glucocorticoids have been heavily researched and are widely used in clinical practice, the role of endogenous glucocorticoids in arthritis susceptibility and disease progression remains poorly understood. Current evidence from mouse models suggests that local endogenous glucocorticoid signaling is upregulated by the pro-inflammatory microenvironment in rheumatoid arthritis and by aging-related mechanisms in osteoarthritis. Furthermore, these models indicate that endogenous glucocorticoid signaling in macrophages, mast cells, and chondrocytes has anti-inflammatory effects, while signaling in fibroblast-like synoviocytes, myocytes, osteoblasts, and osteocytes has pro-inflammatory actions in rheumatoid arthritis. Conversely, in osteoarthritis, endogenous glucocorticoid signaling in both osteoblasts and chondrocytes has destructive actions. Together these studies provide insights into the role of endogenous glucocorticoids in the pathogenesis of both inflammatory and degenerative joint disease.
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Pathogenesis of Osteoarthritis: Risk Factors, Regulatory Pathways in Chondrocytes, and Experimental Models. BIOLOGY 2020; 9:biology9080194. [PMID: 32751156 PMCID: PMC7464998 DOI: 10.3390/biology9080194] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/24/2020] [Accepted: 07/24/2020] [Indexed: 12/28/2022]
Abstract
As the most common chronic degenerative joint disease, osteoarthritis (OA) is the leading cause of pain and physical disability, affecting millions of people worldwide. Mainly characterized by articular cartilage degradation, osteophyte formation, subchondral bone remodeling, and synovial inflammation, OA is a heterogeneous disease that impacts all component tissues of the articular joint organ. Pathological changes, and thus symptoms, vary from person to person, underscoring the critical need of personalized therapies. However, there has only been limited progress towards the prevention and treatment of OA, and there are no approved effective disease-modifying osteoarthritis drugs (DMOADs). Conventional treatments, including non-steroidal anti-inflammatory drugs (NSAIDs) and physical therapy, are still the major remedies to manage the symptoms until the need for total joint replacement. In this review, we provide an update of the known OA risk factors and relevant mechanisms of action. In addition, given that the lack of biologically relevant models to recapitulate human OA pathogenesis represents one of the major roadblocks in developing DMOADs, we discuss current in vivo and in vitro experimental OA models, with special emphasis on recent development and application potential of human cell-derived microphysiological tissue chip platforms.
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Tjahjono E, McAnena AP, Kirienko NV. The evolutionarily conserved ESRE stress response network is activated by ROS and mitochondrial damage. BMC Biol 2020; 18:74. [PMID: 32600387 PMCID: PMC7322875 DOI: 10.1186/s12915-020-00812-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 06/17/2020] [Indexed: 02/07/2023] Open
Abstract
Background Mitochondrial dysfunction causes or contributes to a wide variety of pathologies, including neurodegenerative diseases, cancer, metabolic diseases, and aging. Cells actively surveil a number of mitochondrial readouts to ensure that cellular homeostasis is maintained. Results In this article, we characterize the role of the ethanol and stress response element (ESRE) pathway in mitochondrial surveillance and show that it is robustly activated when the concentration of reactive oxygen species (ROS) in the cell increases. While experiments were mostly performed in Caenorhabditis elegans, we observed similar gene activation profile in human cell lines. The linear relationship between ROS and ESRE activation differentiates ESRE from known mitochondrial surveillance pathways, such as the mitochondrial unfolded protein response (UPRmt), which monitor mitochondrial protein import. The ability of the ESRE network to be activated by increased ROS allows the cell to respond to oxidative and reductive stresses. The ESRE network works in tandem with other mitochondrial surveillance mechanisms as well, in a fashion that suggests a partially redundant hierarchy. For example, mutation of the UPRmt pathway results in earlier and more robust activation of the ESRE pathway. Interestingly, full expression of ATFS-1, a key transcription factor for the UPRmt, requires the presence of an ESRE motif in its promoter region. Conclusion The ESRE pathway responds to mitochondrial damage by monitoring ROS levels. This response is conserved in humans. The ESRE pathway is activated earlier when other mitochondrial surveillance pathways are unavailable during mitochondrial crises, potentially to mitigate stress and restore health. However, the exact mechanisms of pathway activation and crosstalk remain to be elucidated. Ultimately, a better understanding of this network, and its role in the constellation of mitochondrial and cellular stress networks, will improve healthspan.
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Affiliation(s)
- Elissa Tjahjono
- Department of BioSciences, Rice University, 6100 Main St, MS140, Houston, TX, 77005, USA
| | - Aidan P McAnena
- Department of BioSciences, Rice University, 6100 Main St, MS140, Houston, TX, 77005, USA
| | - Natalia V Kirienko
- Department of BioSciences, Rice University, 6100 Main St, MS140, Houston, TX, 77005, USA.
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Bartell LR, Fortier LA, Bonassar LJ, Szeto HH, Cohen I, Delco ML. Mitoprotective therapy prevents rapid, strain-dependent mitochondrial dysfunction after articular cartilage injury. J Orthop Res 2020; 38:1257-1267. [PMID: 31840828 PMCID: PMC7225065 DOI: 10.1002/jor.24567] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 12/12/2019] [Indexed: 02/04/2023]
Abstract
Posttraumatic osteoarthritis (PTOA) involves the mechanical and biological deterioration of articular cartilage that occurs following joint injury. PTOA is a growing problem in health care due to the lack of effective therapies combined with an aging population with high activity levels. Recently, acute mitochondrial dysfunction and altered cellular respiration have been associated with cartilage degeneration after injury. This finding is particularly important because recently developed mitoprotective drugs, including SS peptides, can preserve mitochondrial structure and function after acute injury in other tissues. It is not known, however, if cartilage injury induces rapid structural changes in mitochondria, to what degree mitochondrial dysfunction in cartilage depends on the mechanics of injury or the time frame over which such dysfunction develops. Similarly, it is unknown if SS-peptide treatment can preserve mitochondrial structure and function after cartilage injury. Here, we combined fast camera elastography, longitudinal fluorescence assays, and computer vision techniques to track the fates of thousands of individual cells. Our results show that impact induces mechanically dependent mitochondrial depolarization within a few minutes after injury. Electron microscopy revealed that impact causes rapid structural changes in mitochondria that are related to reduced mitochondrial function, namely, fission and loss of cristae structure. We found that SS-peptide treatment prior to impact protects the mitochondrial structure and preserves mitochondrial function at levels comparable with that of unimpacted control samples. Overall, this study reveals the vital role of mitochondria in mediating cartilage's peracute (within minutes) response to traumatic injury and demonstrates mitoprotection as a promising therapeutic strategy for injury-induced cartilage damage.
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Affiliation(s)
- Lena R. Bartell
- School of Applied & Engineering Physics, Cornell University, Ithaca, NY, United States of America
| | - Lisa A. Fortier
- Department of Clinical Sciences, Cornell University, Ithaca, NY, United States of America
| | - Lawrence J. Bonassar
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, United States of America
- Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY, United States of America
| | - Hazel H. Szeto
- Burke Medical Research Institute, White Plains, NY, United States of America
| | - Itai Cohen
- Department of Physics, Cornell University, Ithaca, NY, United States of America
| | - Michelle L. Delco
- Department of Clinical Sciences, Cornell University, Ithaca, NY, United States of America
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Osteonecrosis of Femoral Head, An Overlooked Long-Term Complication after Paraquat Intoxication: A Retrospective Cohort Study. Sci Rep 2020; 10:8827. [PMID: 32483235 PMCID: PMC7264308 DOI: 10.1038/s41598-020-65756-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 04/29/2020] [Indexed: 01/04/2023] Open
Abstract
With increasing numbers of patients surviving acute intoxication phase, long-term complication after paraquat intoxication is a topic worth exploring, such as osteonecrosis (ON) of femoral head. We reviewed 86 paraquat-intoxicated survivors between 2000 and 2012 in Chang Gung Memorial Hospital, a 3700-bed tertiary hospital in Taiwan. With all the patients underwent same detoxification protocol in the acute stage, 17.4% of paraquat poisoning survivors developed ON of femoral head requiring surgery during follow up. Most of ON episodes occurred within 2 to 4 years after paraquat intoxication and then plateau after 6 years. ON patients exhibited higher SOFA scores than non-ON patients (2.80 ± 2.14 vs. 1.76 ± 1.52, p = 0.028). Furthermore, AKIN scores are also higher in the ON patients than non-ON patients (0.87 ± 1.13 vs. 0.38 ± 0.74, p = 0.040). Multivariate logistic regression showed higher AKIN score and higher partial pressure of carbon dioxide in the blood 48 hours after admission significantly predicted ON of femoral head after paraquat intoxication (p = 0.002 and p = 0.006 respectively). Larger studies with longer follow-up durations are warranted to confirm our finding.
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Cheleschi S, Barbarino M, Gallo I, Tenti S, Bottaro M, Frati E, Giannotti S, Fioravanti A. Hydrostatic Pressure Regulates Oxidative Stress through microRNA in Human Osteoarthritic Chondrocytes. Int J Mol Sci 2020; 21:ijms21103653. [PMID: 32455798 PMCID: PMC7279254 DOI: 10.3390/ijms21103653] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 02/07/2023] Open
Abstract
Hydrostatic pressure (HP) modulates chondrocytes metabolism, however, its ability to regulate oxidative stress and microRNAs (miRNA) has not been clarified. The aim of this study was to investigate the role of miR-34a, miR-146a, and miR-181a as possible mediators of HP effects on oxidative stress in human osteoarthritis (OA) chondrocytes. Chondrocytes were exposed to cyclic low HP (1–5 MPa) and continuous static HP (10 MPa) for 3~h. Metalloproteinases (MMPs), disintegrin and metalloproteinase with thrombospondin motif (ADAMTS)-5, type II collagen (Col2a1), miR-34a, miR-146a, miR-181a, antioxidant enzymes, and B-cell lymphoma 2 (BCL2) were evaluated by quantitative real-time polymerase chain reaction qRT-PCR, apoptosis and reactive oxygen species ROS production by cytometry, and β-catenin by immunofluorescence. The relationship among HP, the studied miRNA, and oxidative stress was assessed by transfection with miRNA specific inhibitors. Low cyclical HP significantly reduced apoptosis, the gene expression of MMP-13, ADAMTS5, miRNA, the production of superoxide anion, and mRNA levels of antioxidant enzymes. Conversely, an increased Col2a1 and BCL2 genes was observed. β-catenin protein expression was reduced in cells exposed to HP 1–5 MPa. Opposite results were obtained following continuous static HP application. Finally, miRNA silencing enhanced low HP and suppressed continuous HP-induced effects. Our data suggest miRNA as one of the mechanisms by which HP regulates chondrocyte metabolism and oxidative stress, via Wnt/β-catenin pathway.
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Affiliation(s)
- Sara Cheleschi
- Department of Medicine, Surgery and Neuroscience, Rheumatology Unit, Azienda Ospedaliera Universitaria Senese, Policlinico Le Scotte, 53100 Siena, Italy; (I.G.); (S.T.); (E.F.); (A.F.)
- Correspondence: ; Tel.: +39 0577 233471
| | - Marcella Barbarino
- Department of Medical Biotechnologies, University of Siena, 53100 Siena, Italy; (M.B.); (M.B.)
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
| | - Ines Gallo
- Department of Medicine, Surgery and Neuroscience, Rheumatology Unit, Azienda Ospedaliera Universitaria Senese, Policlinico Le Scotte, 53100 Siena, Italy; (I.G.); (S.T.); (E.F.); (A.F.)
| | - Sara Tenti
- Department of Medicine, Surgery and Neuroscience, Rheumatology Unit, Azienda Ospedaliera Universitaria Senese, Policlinico Le Scotte, 53100 Siena, Italy; (I.G.); (S.T.); (E.F.); (A.F.)
| | - Maria Bottaro
- Department of Medical Biotechnologies, University of Siena, 53100 Siena, Italy; (M.B.); (M.B.)
- Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
| | - Elena Frati
- Department of Medicine, Surgery and Neuroscience, Rheumatology Unit, Azienda Ospedaliera Universitaria Senese, Policlinico Le Scotte, 53100 Siena, Italy; (I.G.); (S.T.); (E.F.); (A.F.)
| | - Stefano Giannotti
- Department of Medicine, Surgery and Neurosciences, Section of Orthopedics and Traumatology, University of Siena, Policlinico Le Scotte, 53100 Siena, Italy;
| | - Antonella Fioravanti
- Department of Medicine, Surgery and Neuroscience, Rheumatology Unit, Azienda Ospedaliera Universitaria Senese, Policlinico Le Scotte, 53100 Siena, Italy; (I.G.); (S.T.); (E.F.); (A.F.)
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74
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Abstract
Osteoarthritis (OA) is one of the most debilitating diseases and is associated with a high personal and socioeconomic burden. So far, there is no therapy available that effectively arrests structural deterioration of cartilage and bone or is able to successfully reverse any of the existing structural defects. Efforts to identify more tailored treatment options led to the development of strategies that enabled the classification of patient subgroups from the pool of heterogeneous phenotypes that display distinct common characteristics. To this end, the classification differentiates the structural endotypes into cartilage and bone subtypes, which are predominantly driven by structure-related degenerative events. In addition, further classifications have highlighted individuals with an increased inflammatory contribution (inflammatory phenotype) and pain-driven phenotypes as well as senescence and metabolic syndrome phenotypes. Most probably, it will not be possible to classify individuals by a single definite subtype, but it might help to identify groups of patients with a predominant pathology that would more likely benefit from a specific drug or cell-based therapy. Current clinical trials addressed mainly regeneration/repair of cartilage and bone defects or targeted pro-inflammatory mediators by intra-articular injections of drugs and antibodies. Pain was treated mostly by antagonizing nerve growth factor (NGF) activity and its receptor tropomyosin-related kinase A (TrkA). Therapies targeting metabolic disorders such as diabetes mellitus and senescence/aging-related pathologies are not specifically addressing OA. However, none of these therapies has been proven to modify disease progression significantly or successfully prevent final joint replacement in the advanced disease stage. Within this review, we discuss the recent advances in phenotype-specific treatment options and evaluate their applicability for use in personalized OA therapy.
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Affiliation(s)
- Susanne Grässel
- Department of Orthopedic Surgery, Exp. Orthopedics, ZMB/Biopark 1, Am Biopark 9, University of Regensburg, Regensburg, 93053, Germany
| | - Dominique Muschter
- Department of Orthopedic Surgery, Exp. Orthopedics, ZMB/Biopark 1, Am Biopark 9, University of Regensburg, Regensburg, 93053, Germany
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75
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Kang D, Shin J, Cho Y, Kim HS, Gu YR, Kim H, You KT, Chang MJ, Chang CB, Kang SB, Kim JS, Kim VN, Kim JH. Stress-activated miR-204 governs senescent phenotypes of chondrocytes to promote osteoarthritis development. Sci Transl Med 2020; 11:11/486/eaar6659. [PMID: 30944169 DOI: 10.1126/scitranslmed.aar6659] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 07/14/2018] [Accepted: 02/22/2019] [Indexed: 12/17/2022]
Abstract
A progressive loss of cartilage matrix leads to the development of osteoarthritis (OA). Matrix homeostasis is disturbed in OA cartilage as the result of reduced production of cartilage-specific matrix and increased secretion of catabolic mediators by chondrocytes. Chondrocyte senescence is a crucial cellular event contributing to such imbalance in matrix metabolism during OA development. Here, we identify miR-204 as a markedly up-regulated microRNA in OA cartilage. miR-204 is induced by transcription factors GATA4 and NF-κB in response to senescence signals. Up-regulated miR-204 simultaneously targets multiple components of the sulfated proteoglycan (PG) biosynthesis pathway, effectively shutting down PG anabolism. Ectopic expression of miR-204 in joints triggers spontaneous cartilage loss and OA development, whereas miR-204 inhibition ameliorates experimental OA, with concomitant recovery of PG synthesis and suppression of inflammatory senescence-associated secretory phenotype (SASP) factors in cartilage. Collectively, we unravel a stress-activated senescence pathway that underlies disrupted matrix homeostasis in OA cartilage.
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Affiliation(s)
- Donghyun Kang
- Center for RNA Research, Institute for Basic Science, 08826 Seoul, South Korea.,Department of Biological Sciences, College of Natural Sciences, Seoul National University, 08826 Seoul, South Korea
| | - Jungkwon Shin
- Center for RNA Research, Institute for Basic Science, 08826 Seoul, South Korea.,Department of Biological Sciences, College of Natural Sciences, Seoul National University, 08826 Seoul, South Korea
| | - Yongsik Cho
- Center for RNA Research, Institute for Basic Science, 08826 Seoul, South Korea.,Department of Biological Sciences, College of Natural Sciences, Seoul National University, 08826 Seoul, South Korea
| | - Hyeon-Seop Kim
- Center for RNA Research, Institute for Basic Science, 08826 Seoul, South Korea.,Department of Biological Sciences, College of Natural Sciences, Seoul National University, 08826 Seoul, South Korea
| | - Young-Ran Gu
- Center for RNA Research, Institute for Basic Science, 08826 Seoul, South Korea.,Department of Biological Sciences, College of Natural Sciences, Seoul National University, 08826 Seoul, South Korea
| | - Haedong Kim
- Center for RNA Research, Institute for Basic Science, 08826 Seoul, South Korea.,Department of Biological Sciences, College of Natural Sciences, Seoul National University, 08826 Seoul, South Korea
| | - Kwon Tae You
- Center for RNA Research, Institute for Basic Science, 08826 Seoul, South Korea.,Department of Biological Sciences, College of Natural Sciences, Seoul National University, 08826 Seoul, South Korea
| | - Moon Jong Chang
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Boramae Hospital, 07061 Seoul, South Korea
| | - Chong Bum Chang
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Boramae Hospital, 07061 Seoul, South Korea
| | - Seung-Baik Kang
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Boramae Hospital, 07061 Seoul, South Korea
| | - Jong-Seo Kim
- Center for RNA Research, Institute for Basic Science, 08826 Seoul, South Korea.,Department of Biological Sciences, College of Natural Sciences, Seoul National University, 08826 Seoul, South Korea
| | - V Narry Kim
- Center for RNA Research, Institute for Basic Science, 08826 Seoul, South Korea.,Department of Biological Sciences, College of Natural Sciences, Seoul National University, 08826 Seoul, South Korea
| | - Jin-Hong Kim
- Center for RNA Research, Institute for Basic Science, 08826 Seoul, South Korea. .,Department of Biological Sciences, College of Natural Sciences, Seoul National University, 08826 Seoul, South Korea.,Interdisciplinary Program in Bioinformatics, Seoul National University, 08826 Seoul, South Korea
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76
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Han F, Wang J, Ding L, Hu Y, Li W, Yuan Z, Guo Q, Zhu C, Yu L, Wang H, Zhao Z, Jia L, Li J, Yu Y, Zhang W, Chu G, Chen S, Li B. Tissue Engineering and Regenerative Medicine: Achievements, Future, and Sustainability in Asia. Front Bioeng Biotechnol 2020; 8:83. [PMID: 32266221 PMCID: PMC7105900 DOI: 10.3389/fbioe.2020.00083] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 01/29/2020] [Indexed: 12/11/2022] Open
Abstract
Exploring innovative solutions to improve the healthcare of the aging and diseased population continues to be a global challenge. Among a number of strategies toward this goal, tissue engineering and regenerative medicine (TERM) has gradually evolved into a promising approach to meet future needs of patients. TERM has recently received increasing attention in Asia, as evidenced by the markedly increased number of researchers, publications, clinical trials, and translational products. This review aims to give a brief overview of TERM development in Asia over the last decade by highlighting some of the important advances in this field and featuring major achievements of representative research groups. The development of novel biomaterials and enabling technologies, identification of new cell sources, and applications of TERM in various tissues are briefly introduced. Finally, the achievement of TERM in Asia, including important publications, representative discoveries, clinical trials, and examples of commercial products will be introduced. Discussion on current limitations and future directions in this hot topic will also be provided.
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Affiliation(s)
- Fengxuan Han
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Jiayuan Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Luguang Ding
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Yuanbin Hu
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
| | - Wenquan Li
- Department of Otolaryngology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhangqin Yuan
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Qianping Guo
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Caihong Zhu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Li Yu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Huan Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Zhongliang Zhao
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Luanluan Jia
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Jiaying Li
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Yingkang Yu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Weidong Zhang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Genglei Chu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Song Chen
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Bin Li
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
- China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, China
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77
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Pathomechanisms of Posttraumatic Osteoarthritis: Chondrocyte Behavior and Fate in a Precarious Environment. Int J Mol Sci 2020; 21:ijms21051560. [PMID: 32106481 PMCID: PMC7084733 DOI: 10.3390/ijms21051560] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 02/18/2020] [Accepted: 02/21/2020] [Indexed: 02/07/2023] Open
Abstract
Traumatic injuries of the knee joint result in a wide variety of pathomechanisms, which contribute to the development of so-called posttraumatic osteoarthritis (PTOA). These pathogenetic processes include oxidative stress, excessive expression of catabolic enzymes, release of damage-associated molecular patterns (DAMPs), and synovial inflammation. The present review focuses on the underlying pathomechanisms of PTOA and in particular the behavior and fate of the surviving chondrocytes, comprising chondrocyte metabolism, regulated cell death, and phenotypical changes comprising hypertrophy and senescence. Moreover, possible therapeutic strategies, such as chondroanabolic stimulation, anti-oxidative and anti-inflammatory treatment, as well as novel therapeutic targets are discussed.
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78
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Zahan OM, Serban O, Gherman C, Fodor D. The evaluation of oxidative stress in osteoarthritis. Med Pharm Rep 2020; 93:12-22. [PMID: 32133442 PMCID: PMC7051818 DOI: 10.15386/mpr-1422] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 10/02/2019] [Accepted: 10/16/2019] [Indexed: 01/15/2023] Open
Abstract
Osteoarthritis (OA) is a whole joint disease driven by abnormal biomechanics and attendant cell-derived and tissue-derived factors. The disease is multifactorial and polygenic, and its progression is significantly related to oxidative stress and reactive oxygen species (ROS). Augmented ROS generation can cause the damage of structural biomolecules of the joint and, by acting as intracellular signaling component, ROS are associated with various inflammatory responses. By activating several signaling pathways, ROS have a vital importance in the patho-physiology of OA. This review is focused on the mechanism of ROS which regulate intracellular signaling processes, chondrocyte senescence and apoptosis, extracellular matrix synthesis and degradation, along with synovial inflammation and dysfunction of the subcondral bone, targeting the complex oxidative stress signaling pathways.
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Affiliation(s)
- Oana-Maria Zahan
- 2 Internal Medicine Department, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Oana Serban
- 2 Internal Medicine Department, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Claudia Gherman
- 2 Internal Medicine Department, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Daniela Fodor
- 2 Internal Medicine Department, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
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79
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Up-Regulation of Superoxide Dismutase 2 in 3D Spheroid Formation Promotes Therapeutic Potency of Human Umbilical Cord Blood-Derived Mesenchymal Stem Cells. Antioxidants (Basel) 2020; 9:antiox9010066. [PMID: 31940867 PMCID: PMC7023074 DOI: 10.3390/antiox9010066] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 01/06/2020] [Accepted: 01/09/2020] [Indexed: 02/07/2023] Open
Abstract
Umbilical cord blood-derived mesenchymal stem cells (UCB-MSCs) are accessible, available in abundance, and have been shown to be a promising source that can regenerate cartilage in patients with osteoarthritis or other orthopedic diseases. Recently, a three-dimensional (3D) cell culture system was developed to mimic the naive tissue microenvironment. However, the efficacy of cells generated from the 3D spheroid culture system has not yet been elucidated. In the present study, we demonstrate the changes in superoxide dismutase 2 (SOD2) gene expression, an indicator of oxidative stress, on 3D spheroid MSCs. Moreover, siRNA transfection and neutralizing antibody investigations were performed to confirm the function of SOD2 and E-cadherin. Overall, we found that SOD2 siRNA transfection in the spheroid form of MSCs increases the expression of apoptotic genes and decreases the clearance of mitochondrial reactive oxygen species (ROS). As a result, we confirm that 3D spheroid formation increases E-cadherin and SOD2 expression, ultimately regulating the phosphoinositide 3-kinase (PI3K/pAkt/pNrf2 and pERK/pNrf2 signaling pathway. Additionally, we show that SOD2 expression on 3D spheroid MSCs affects the regeneration rates of destructive cartilage in an osteoarthritic model. We postulate that the impact of SOD2 expression on 3D spheroid MSCs reduces oxidative stress and apoptosis, and also promotes cartilage regeneration.
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80
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Yoshida K, Itoigawa Y, Wada T, Maruyama Y, Nojiri H, Kawasaki T, Kaneko K. Association of Superoxide-Induced Oxidative Stress With Rotator Cuff Tears in Human Patients. J Orthop Res 2020; 38:212-218. [PMID: 31520427 DOI: 10.1002/jor.24472] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 09/03/2019] [Indexed: 02/04/2023]
Abstract
Rotator cuff degeneration is one of the factors contributing to rotator cuff tears. Oxidative stress is involved in tendon degeneration, and superoxide-induced oxidative stress plays a pathological role in regulating the balance between oxidation and reduction. The role of oxidative stress in rotator cuff tears, however, is unclear. This study, therefore, aimed to investigate the contribution of superoxide-induced oxidative stress to rotator cuff tears. Seventy patients were recruited and divided into two groups: patients with (Ruptured group) and those without (Unruptured group) a rotator cuff tear. Specimens from both groups were collected during surgery. Degeneration morphology was classified according to the degeneration score. Superoxide-induced oxidative stress was assessed according to dihydroethidium (DHE) relative fluorescence intensity, capacity for antioxidation according to superoxide dismutase (SOD) activity, and the balance between oxidation and reduction based on the redox ratio. Data were compared between groups. Correlations between the degeneration score and the oxidative stress factors were calculated. Degeneration score and DHE relative fluorescence intensity were significantly higher in the Ruptured than the Unruptured group. The SOD activity was not significantly different between groups. Degeneration score was positively correlated with both DHE relative fluorescence intensity and SOD activity. Thus, superoxide-induced oxidative stress and tendon degeneration were greater in rotator cuff tear tissues than in those with no tear, suggesting that oxidative imbalance may be involved in degenerative rotator cuff tears. Clinical Relevance: Understanding the mechanisms of superoxide-induced oxidative stress may lead to targeted tissue therapy for degenerative rotator cuff tears. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 38:212-218, 2020.
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Affiliation(s)
- Keiichi Yoshida
- Department of Orthopaedic Surgery, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu-shi, Chiba, 279-0021, Japan
| | - Yoshiaki Itoigawa
- Department of Orthopaedic Surgery, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu-shi, Chiba, 279-0021, Japan
| | - Tomoki Wada
- Department of Orthopaedic Surgery, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu-shi, Chiba, 279-0021, Japan
| | - Yuichiro Maruyama
- Department of Orthopaedic Surgery, Juntendo University Urayasu Hospital, 2-1-1 Tomioka, Urayasu-shi, Chiba, 279-0021, Japan
| | - Hidetoshi Nojiri
- Department of Orthopaedic Surgery, Juntendo University, Tokyo, Japan
| | - Takayuki Kawasaki
- Department of Orthopaedic Surgery, Juntendo University, Tokyo, Japan
| | - Kazuo Kaneko
- Department of Orthopaedic Surgery, Juntendo University, Tokyo, Japan
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81
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Martins JB, Mendonça VA, Aguiar GC, da Fonseca SF, Dos Santos JM, Tossige-Gomes R, Melo DDS, Oliveira MX, Leite HR, Camargos ACR, Ferreira AJ, Coimbra CC, Poortmans J, Oliveira VC, Silva SB, Domingues TE, Bernardo-Filho M, Lacerda ACR. Effect of a Moderate-Intensity Aerobic Training on Joint Biomarkers and Functional Adaptations in Rats Subjected to Induced Knee Osteoarthritis. Front Physiol 2019; 10:1168. [PMID: 31620012 PMCID: PMC6759700 DOI: 10.3389/fphys.2019.01168] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 08/29/2019] [Indexed: 01/06/2023] Open
Abstract
Background Knee osteoarthritis (kOA) is a common chronic disease that induces changes in redox status and inflammatory biomarkers, cell death, and motor impairment. Aerobic training can be a non-pharmacological alternative to prevent the progression of the disease. Objective To evaluate the effects of an 8 weeks moderate-intensity treadmill aerobic training program on redox status and inflammatory biomarkers and motor performance in kOA-like changes induced by monosodium iodoacetate (MIA) in rats. Methods Twenty-seven rats were randomly divided into three groups: SHAM; induced kOA (OA); and induced kOA + aerobic training (OAE). Motor performance was evaluated by the number of falls on rotarod test, the total time of displacement and the number of failures on a 100 cm footbridge. Data for cytokines and histology were investigated locally, whereas plasma was used for redox status biomarkers. Results The OA group, compared to the SHAM group, increased 1.13 times the total time of displacement, 6.05 times the number of failures, 2.40 times the number of falls. There was also an increase in cytokine and in thiobarbituric acid reactive substances (TBARS) (IL1β: 5.55-fold, TNF: 2.84-fold, IL10: 1.27-fold, IL6: 1.50-fold, TBARS: 1.14-fold), and a reduction of 6.83% in the total antioxidant capacity (FRAP), and of 35% in the number of chondrocytes. The aerobic training improved the motor performance in all joint function tests matching to SHAM scores. Also, it reduced inflammatory biomarkers and TBARS level at values close to those of the SHAM group, with no change in FRAP level. The number of falls was explained by IL1β and TNF (58%), and the number of failures and the total time of displacement were also explained by TNF (29 and 21%, respectively). Conclusion All findings indicate the efficacy of moderate-intensity aerobic training to regulate inflammatory biomarkers associated with improved motor performance in induced kOA-like changes, thus preventing the loss of chondrocytes.
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Affiliation(s)
- Jeanne Brenda Martins
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | - Vanessa Amaral Mendonça
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Grazielle Cordeiro Aguiar
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Sueli Ferreira da Fonseca
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | - Jousielle Márcia Dos Santos
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Rosalina Tossige-Gomes
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | - Dirceu de Sousa Melo
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | - Murilo Xavier Oliveira
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Hércules Ribeiro Leite
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | | | - Anderson José Ferreira
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Cândido Celso Coimbra
- Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil
| | - Jacques Poortmans
- Faculty of Motor Sciences, Université Libre de Bruxelles, Brussels, Belgium
| | - Vinícius Cunha Oliveira
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Sara Barros Silva
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
| | - Talita Emanuela Domingues
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil
| | - Mário Bernardo-Filho
- Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcantara Gomes, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ana Cristina Rodrigues Lacerda
- Centro Integrado de Pós-Graduação e Pesquisa em Saúde (CIPq-Saúde), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia (SBFis), Diamantina, Brazil.,Programa de Pós-Graduação em Reabilitação e Desempenho Funcional (PPGReab), Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM), Diamantina, Brazil
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82
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Coleman MC, Goetz JE, Brouillette MJ, Seol D, Willey MC, Petersen EB, Anderson HD, Hendrickson NR, Compton J, Khorsand B, Morris AS, Salem AK, Fredericks DC, McKinley TO, Martin JA. Targeting mitochondrial responses to intra-articular fracture to prevent posttraumatic osteoarthritis. Sci Transl Med 2019; 10:10/427/eaan5372. [PMID: 29437147 DOI: 10.1126/scitranslmed.aan5372] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 09/19/2017] [Accepted: 01/05/2018] [Indexed: 12/16/2022]
Abstract
We tested whether inhibiting mechanically responsive articular chondrocyte mitochondria after severe traumatic injury and preventing oxidative damage represent a viable paradigm for posttraumatic osteoarthritis (PTOA) prevention. We used a porcine hock intra-articular fracture (IAF) model well suited to human-like surgical techniques and with excellent anatomic similarities to human ankles. After IAF, amobarbital or N-acetylcysteine (NAC) was injected to inhibit chondrocyte electron transport or downstream oxidative stress, respectively. Effects were confirmed via spectrophotometric enzyme assays or glutathione/glutathione disulfide assays and immunohistochemical measures of oxidative stress. Amobarbital or NAC delivered after IAF provided substantial protection against PTOA at 6 months, including maintenance of proteoglycan content, decreased histological disease scores, and normalized chondrocyte metabolic function. These data support the therapeutic potential of targeting chondrocyte metabolism after injury and suggest a strong role for mitochondria in mediating PTOA.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | - Todd O McKinley
- Indiana University Health Methodist Hospital Orthopaedic Trauma Service, Indianapolis, IN 46202, USA
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83
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Chen F, Liu Z, Li W, Li D, Yan B. The significance of serum HMGB1 level in humans with acute paraquat poisoning. Sci Rep 2019; 9:7448. [PMID: 31092889 PMCID: PMC6520495 DOI: 10.1038/s41598-019-43877-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 04/28/2019] [Indexed: 01/04/2023] Open
Abstract
High-mobility group box 1 (HMGB1) mediates acute lung injury in a mouse model of paraquat poisoning. However, published reports showing a clinically relevant association between HMGB1 and paraquat exposure are lacking. The objective of the present study was to investigate the potential role of serum HMGB1 level as a prognostic marker of mortality in patients with paraquat poisoning in a clinical setting. This retrospective observational cohort study included a convenience sample of 92 patients with acute paraquat poisoning admitted to the emergency room (ER) of The First Hospital of Jilin University between January 2014 and December 2016. Baseline serum HMGB1 levels and other laboratory parameters were measured on admission. Cumulative incidence of mortality during the first 30 days after admission was 50% (n = 46/92). Serum HMGB1 levels were higher in fatalities than survivors (P = 0.015), 30-day mortality increased with increasing baseline serum HMGB1 level (P < 0.001), and higher serum HMGB1 levels were associated with an increase in 30-day mortality on Kaplan-Meier analysis. Multivariate Cox regression analysis identified baseline serum HMGB1 levels, white blood cell count, and serum lactic acid levels as independent prognostic markers of 30-day mortality. These data suggest that serum HMGB1 levels measured on admission to the ER are an independent predictor of 30-day mortality in patients with acute paraquat poisoning.
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Affiliation(s)
- Feng Chen
- Dermatology Department, China-Japan Union Hospital of Jilin University, 126Xiantai Street, Changchun, 130033, Jilin Province, People's Republic of China
| | - Zuolong Liu
- Department of Emergency, The First Hospital of Jilin University, 71Xinmin Street, Changchun, 130021, Jilin Province, People's Republic of China
| | - Wei Li
- Department of Emergency, The First Hospital of Jilin University, 71Xinmin Street, Changchun, 130021, Jilin Province, People's Republic of China
| | - Dan Li
- Department of Respiratory Medicine, The First Hospital of Jilin University, 71Xinmin Street, Changchun, 130021, Jilin Province, People's Republic of China.
| | - Bailing Yan
- Department of Emergency, The First Hospital of Jilin University, 71Xinmin Street, Changchun, 130021, Jilin Province, People's Republic of China.
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84
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Shi Y, Hu X, Cheng J, Zhang X, Zhao F, Shi W, Ren B, Yu H, Yang P, Li Z, Liu Q, Liu Z, Duan X, Fu X, Zhang J, Wang J, Ao Y. A small molecule promotes cartilage extracellular matrix generation and inhibits osteoarthritis development. Nat Commun 2019; 10:1914. [PMID: 31015473 PMCID: PMC6478911 DOI: 10.1038/s41467-019-09839-x] [Citation(s) in RCA: 132] [Impact Index Per Article: 26.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2018] [Accepted: 04/03/2019] [Indexed: 01/08/2023] Open
Abstract
Degradation of extracellular matrix (ECM) underlies loss of cartilage tissue in osteoarthritis, a common disease for which no effective disease-modifying therapy currently exists. Here we describe BNTA, a small molecule with ECM modulatory properties. BNTA promotes generation of ECM components in cultured chondrocytes isolated from individuals with osteoarthritis. In human osteoarthritic cartilage explants, BNTA treatment stimulates expression of ECM components while suppressing inflammatory mediators. Intra-articular injection of BNTA delays the disease progression in a trauma-induced rat model of osteoarthritis. Furthermore, we identify superoxide dismutase 3 (SOD3) as a mediator of BNTA activity. BNTA induces SOD3 expression and superoxide anion elimination in osteoarthritic chondrocyte culture, and ectopic SOD3 expression recapitulates the effect of BNTA on ECM biosynthesis. These observations identify SOD3 as a relevant drug target, and BNTA as a potential therapeutic agent in osteoarthritis.
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Affiliation(s)
- Yuanyuan Shi
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Xiaoqing Hu
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Jin Cheng
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Xin Zhang
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Fengyuan Zhao
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Weili Shi
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Bo Ren
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Huilei Yu
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Peng Yang
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Zong Li
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Qiang Liu
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Zhenlong Liu
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Xiaoning Duan
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Xin Fu
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Jiying Zhang
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China
| | - Jianquan Wang
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China.
| | - Yingfang Ao
- Institute of Sports Medicine, Beijing Key Laboratory of Sports Injuries, Peking University Third Hospital, 100191, Beijing, China.
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85
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Lepetsos P, Papavassiliou KA, Papavassiliou AG. Redox and NF-κB signaling in osteoarthritis. Free Radic Biol Med 2019; 132:90-100. [PMID: 30236789 DOI: 10.1016/j.freeradbiomed.2018.09.025] [Citation(s) in RCA: 210] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 09/12/2018] [Accepted: 09/16/2018] [Indexed: 02/07/2023]
Abstract
Human cells have to deal with the constant production of reactive oxygen species (ROS). Although ROS overproduction might be harmful to cell biology, there are plenty of data showing that moderate levels of ROS control gene expression by maintaining redox signaling. Osteoarthritis (OA) is the most common joint disorder with a multi-factorial etiology including overproduction of ROS. ROS overproduction in OA modifies intracellular signaling, chondrocyte life cycle, metabolism of cartilage matrix and contributes to synovial inflammation and dysfunction of the subchondral bone. In arthritic tissues, the NF-κB signaling pathway can be activated by pro-inflammatory cytokines, mechanical stress, and extracellular matrix degradation products. This activation results in regulation of expression of many cytokines, inflammatory mediators, transcription factors, and several matrix-degrading enzymes. Overall, NF-κB signaling affects cartilage matrix remodeling, chondrocyte apoptosis, synovial inflammation, and has indirect stimulatory effects on downstream regulators of terminal chondrocyte differentiation. Interaction between redox signaling and NF-κB transcription factors seems to play a distinctive role in OA pathogenesis.
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Affiliation(s)
- Panagiotis Lepetsos
- Fourth Department of Orthopaedics & Trauma, 'KAT' General Hospital, Kifissia, 14561 Athens, Greece
| | - Kostas A Papavassiliou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 M. Asias Street, 11527 Athens, Greece
| | - Athanasios G Papavassiliou
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, 75 M. Asias Street, 11527 Athens, Greece.
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86
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Bolduc JA, Collins JA, Loeser RF. Reactive oxygen species, aging and articular cartilage homeostasis. Free Radic Biol Med 2019; 132:73-82. [PMID: 30176344 PMCID: PMC6342625 DOI: 10.1016/j.freeradbiomed.2018.08.038] [Citation(s) in RCA: 346] [Impact Index Per Article: 69.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 08/07/2018] [Accepted: 08/30/2018] [Indexed: 01/08/2023]
Abstract
Chondrocytes are responsible for the maintenance of the articular cartilage. A loss of homeostasis in cartilage contributes to the development of osteoarthritis (OA) when the synthetic capacity of chondrocytes is overwhelmed by processes that promote matrix degradation. There is evidence for an age-related imbalance in reactive oxygen species (ROS) production relative to the anti-oxidant capacity of chondrocytes that plays a role in cartilage degradation as well as chondrocyte cell death. The ROS produced by chondrocytes that have received the most attention include superoxide, hydrogen peroxide, the reactive nitrogen species nitric oxide, and the nitric oxide derived product peroxynitrite. Excess levels of these ROS not only cause oxidative-damage but, perhaps more importantly, cause a disruption in cell signaling pathways that are redox-regulated, including Akt and MAP kinase signaling. Age-related mitochondrial dysfunction and reduced activity of the mitochondrial superoxide dismutase (SOD2) are associated with an increase in mitochondrial-derived ROS and are in part responsible for the increase in chondrocyte ROS with age. Peroxiredoxins (Prxs) are a key family of peroxidases responsible for removal of H2O2, as well as for regulating redox-signaling events. Prxs are inactivated by hyperoxidation. An age-related increase in chondrocyte Prx hyperoxidation and an increase in OA cartilage has been noted. The finding in mice that deletion of SOD2 or the anti-oxidant gene transcriptional regulator nuclear factor-erythroid 2- related factor (Nrf2) result in more severe OA, while overexpression or treatment with mitochondrial targeted anti-oxidants reduces OA, further support a role for excessive ROS in the pathogenesis of OA. Therefore, new therapeutic strategies targeting specific anti-oxidant systems including mitochondrial ROS may be of value in reducing the progression of age-related OA.
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Affiliation(s)
- Jesalyn A Bolduc
- Division of Rheumatology, Allergy, and Immunology, University of North Carolina, Chapel Hill, NC, USA; Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA
| | - John A Collins
- Division of Rheumatology, Allergy, and Immunology, University of North Carolina, Chapel Hill, NC, USA; Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA
| | - Richard F Loeser
- Division of Rheumatology, Allergy, and Immunology, University of North Carolina, Chapel Hill, NC, USA; Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA.
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87
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Hu X, Shen H, Wang Y, Zhang L, Zhao M. Aspirin-triggered resolvin D1 alleviates paraquat-induced acute lung injury in mice. Life Sci 2019; 218:38-46. [DOI: 10.1016/j.lfs.2018.12.028] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 12/07/2018] [Accepted: 12/15/2018] [Indexed: 01/11/2023]
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88
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Rieder B, Weihs AM, Weidinger A, Szwarc D, Nürnberger S, Redl H, Rünzler D, Huber-Gries C, Teuschl AH. Hydrostatic pressure-generated reactive oxygen species induce osteoarthritic conditions in cartilage pellet cultures. Sci Rep 2018; 8:17010. [PMID: 30451865 PMCID: PMC6242959 DOI: 10.1038/s41598-018-34718-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 10/22/2018] [Indexed: 11/24/2022] Open
Abstract
Osteoarthritis (OA) is one of the most common causes of disability and represents a major socio-economic burden. Despite intensive research, the molecular mechanisms responsible for the initiation and progression of OA remain inconclusive. In recent years experimental findings revealed elevated levels of reactive oxygen species (ROS) as a major factor contributing to the onset and progression of OA. Hence, we designed a hydrostatic pressure bioreactor system that is capable of stimulating cartilage cell cultures with elevated ROS levels. Increased ROS levels in the media did not only lead to an inhibition of glycosaminoglycans and collagen II formation but also to a reduction of already formed glycosaminoglycans and collagen II in chondrogenic mesenchymal stem cell pellet cultures. These effects were associated with the elevated activity of matrix metalloproteinases as well as the increased expression of several inflammatory cytokines. ROS activated different signaling pathways including PI3K/Akt and MAPK/ERK which are known to be involved in OA initiation and progression. Utilizing the presented bioreactor system, an OA in vitro model based on the generation of ROS was developed that enables the further investigation of ROS effects on cartilage degradation but can also be used as a versatile tool for anti-oxidative drug testing.
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Affiliation(s)
- Bernhard Rieder
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - Anna M Weihs
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - Adelheid Weidinger
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - Dorota Szwarc
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - Sylvia Nürnberger
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria.,Department of Orthopedics and Trauma-Surgery, Division of Trauma-Surgery, Medical University of Vienna, 1090, Vienna, Austria.,University Clinic of Dentistry, Medical University of Vienna, 1090, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - Heinz Redl
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, AUVA Research Center, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - Dominik Rünzler
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - Carina Huber-Gries
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, 1200, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria
| | - Andreas H Teuschl
- Department Life Science Engineering, University of Applied Sciences Technikum Wien, 1200, Vienna, Austria. .,Austrian Cluster for Tissue Regeneration, 1200, Vienna, Austria.
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89
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Chen LY, Wang Y, Terkeltaub R, Liu-Bryan R. Activation of AMPK-SIRT3 signaling is chondroprotective by preserving mitochondrial DNA integrity and function. Osteoarthritis Cartilage 2018; 26:1539-1550. [PMID: 30031925 PMCID: PMC6202232 DOI: 10.1016/j.joca.2018.07.004] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 06/11/2018] [Accepted: 07/02/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVE In osteoarthritis (OA), articular chondrocytes manifest mitochondrial damage, including mitochondrial DNA 4977-bp (mtDNA4977) deletion that impairs mitochondrial function. OA chondrocytes have decreased activity of AMPK, an energy biosensor that promotes mitochondrial biogenesis. Here, we tested if pharmacologic AMPK activation, via downstream activation of predominately mitochondrially localized sirtuin 3 (SIRT3), reverses existing decreases in mitochondrial DNA (mtDNA) integrity and function in human OA chondrocytes and limits mouse knee OA development. DESIGN We assessed mtDNA integrity and function including the common mtDNA4977 deletion and mtDNA content, mitochondrial reactive oxygen species (mtROS) generation, oxygen consumption and intracellular ATP levels. Phosphorylation of AMPKα, expression and activity of SIRT3, acetylation and expression of the mitochondrial antioxidant enzyme SOD2 and DNA repair enzyme 8-oxoguanine glycosylase (OGG1), and expression of subunits of mitochondrial respiratory complexes were examined. We assessed effect of pharmacologic activation of AMPK on age-related spontaneous mouse knee OA. RESULTS The mtDNA4977 deletion was detected in both OA chondrocytes and menadione-treated normal chondrocytes, associated with increased mtROS, decreased SIRT3, and increased acetylation of SOD2 and OGG1. AMPKα1 deficient chondrocytes exhibited significantly reduced SIRT3 activity. AMPK pharmacologic activation attenuated existing mtDNA4977 deletion and improved mitochondrial functions in OA chondrocytes via SIRT3 by reducing acetylation and increasing expression of SOD2 and OGG1, and limited aging-associated mouse knee OA development and progression. CONCLUSIONS AMPK activation, via SIRT3, limits oxidative stress and improves mtDNA integrity and function in OA chondrocytes. These effects likely contribute to chondroprotective effects of AMPK activity.
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Affiliation(s)
| | | | - Robert Terkeltaub
- VA San Diego Healthcare System, San Diego, CA,Dept. of Medicine, UC San Diego
| | - Ru Liu-Bryan
- VA San Diego Healthcare System, San Diego, CA,Dept. of Medicine, UC San Diego,To Whom Correspondence should be addressed: Ru Liu-Bryan PhD, VA San Diego Healthcare System, 111K, 3350 La Jolla Village Drive, San Diego, CA 92161. Telephone: 858 552 8585. Fax: 858 552 7425,
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90
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Chen X, Yan J, He F, Zhong D, Yang H, Pei M, Luo ZP. Mechanical stretch induces antioxidant responses and osteogenic differentiation in human mesenchymal stem cells through activation of the AMPK-SIRT1 signaling pathway. Free Radic Biol Med 2018; 126:187-201. [PMID: 30096433 PMCID: PMC6165675 DOI: 10.1016/j.freeradbiomed.2018.08.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 07/24/2018] [Accepted: 08/01/2018] [Indexed: 12/12/2022]
Abstract
Mesenchymal stem cells (MSCs) are promising cell sources for regenerative medicine. Growing evidence has indicated that mechanical stimuli are crucial for their lineage-specific differentiation. However, the effect of mechanical loading on redox balance and the intracellular antioxidant system in MSCs was unknown. In this study, human bone marrow-derived MSCs (BM-MSCs) were subjected to cyclic stretch at the magnitude of 2.5%, 5%, and 10%. Cell proliferation, intracellular reactive oxygen species (ROS), expression of antioxidant enzymes, and osteogenic differentiation were evaluated. RNA was extracted and subjected to DNA microarray analysis. Sirtinol and compound C were used to investigate the underlying mechanisms involved silent information regulator type 1 (SIRT1) and AMP-activated protein kinase (AMPK). Our results showed that mechanical stretch at appropriate magnitudes increased cell proliferation, up-regulated extracellular matrix organization, and down-regulated matrix disassembly. After 3 days of stretch, intracellular ROS in BM-MSCs were decreased but the levels of antioxidant enzymes, especially superoxide dismutase 1 (SOD1), were up-regulated. Osteogenesis was improved by 5% stretch rather than 10% stretch, as evidenced by increased matrix mineralization and osteogenic marker gene expression. The expression of SIRT1 and phosphorylation of AMPK were enhanced by mechanical stretch; however, inhibition of SIRT1 or AMPK abrogated the stretch-induced antioxidant effect on BM-MSCs and inhibited the stretch-mediated osteogenic differentiation. Our findings reveal that mechanical stretch induced antioxidant responses, attenuated intracellular ROS, and improved osteogenesis of BM-MSCs. The stretch-induced antioxidant effect was through activation of the AMPK-SIRT1 signaling pathway. Our findings demonstrated that appropriate mechanical stimulation can improve MSC antioxidant functions and benefit bone regeneration.
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Affiliation(s)
- Xi Chen
- Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China; School of Biology and Basic Medical Sciences, Medical College, Soochow University, Suzhou 215123, China
| | - Jinku Yan
- Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Fan He
- Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China.
| | - Dongyan Zhong
- Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Huilin Yang
- Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Ming Pei
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV, USA
| | - Zong-Ping Luo
- Orthopaedic Institute, Medical College, Soochow University, Suzhou 215007, China; Department of Orthopaedics, The First Affiliated Hospital of Soochow University, Suzhou 215006, China.
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91
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Koike M, Nojiri H, Kanazawa H, Yamaguchi H, Miyagawa K, Nagura N, Banno S, Iwase Y, Kurosawa H, Kaneko K. Superoxide dismutase activity is significantly lower in end-stage osteoarthritic cartilage than non-osteoarthritic cartilage. PLoS One 2018; 13:e0203944. [PMID: 30222787 PMCID: PMC6141073 DOI: 10.1371/journal.pone.0203944] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 08/30/2018] [Indexed: 12/31/2022] Open
Abstract
Recent studies have shown that superoxide dismutase 1 (SOD1), SOD2, and SOD3 are significantly decreased in human osteoarthritic cartilage. SOD activity is a marker that can be used to comprehensively evaluate the enzymatic capacities of SOD1, SOD2, and SOD3; however, the trend of SOD activity in end-stage osteoarthritic tissues remains unknown. In the present study, we found that SOD activity in end-stage osteoarthritic synovium of the knee was significantly lower than that in control synovium without the influence of age. The SOD activity was significantly lower in the end-stage knee osteoarthritic cartilage than in the control, but a weak negative correlation was observed between aging and SOD activity. However, SOD activity in end-stage hip osteoarthritic cartilage was significantly lower than that in control cartilage without the influence of aging. The relationship between osteoarthritis and SOD activity was stronger than the relationship between aging and SOD activity. These results indicate that direct regulation of SOD activity in joint tissues may lead to suppression of osteoarthritis progression.
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Affiliation(s)
- Masato Koike
- Department of Orthopaedic Surgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
| | - Hidetoshi Nojiri
- Department of Orthopaedic Surgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
- * E-mail:
| | - Hiroaki Kanazawa
- Department of Orthopaedic Surgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
| | - Hiroto Yamaguchi
- Department of Orthopaedic Surgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
| | - Kei Miyagawa
- Department of Orthopaedic Surgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
| | - Nana Nagura
- Department of Orthopaedic Surgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
| | - Sammy Banno
- Department of Orthopaedic Surgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
| | - Yoshiyuki Iwase
- Department of Orthopaedic Surgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
| | - Hisashi Kurosawa
- Department of Orthopaedic Surgery, Juntendo Tokyo Koto Geriatric Medical Center, Tokyo, Japan
| | - Kazuo Kaneko
- Department of Orthopaedic Surgery, Juntendo University Graduate School of Medicine, Tokyo, Japan
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92
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Cornelis FMF, Monteagudo S, Guns LAKA, den Hollander W, Nelissen RGHH, Storms L, Peeters T, Jonkers I, Meulenbelt I, Lories RJ. ANP32A regulates ATM expression and prevents oxidative stress in cartilage, brain, and bone. Sci Transl Med 2018; 10:10/458/eaar8426. [DOI: 10.1126/scitranslmed.aar8426] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 03/12/2018] [Accepted: 07/31/2018] [Indexed: 12/13/2022]
Abstract
Osteoarthritis is the most common joint disorder with increasing global prevalence due to aging of the population. Current therapy is limited to symptom relief, yet there is no cure. Its multifactorial etiology includes oxidative stress and overproduction of reactive oxygen species, but the regulation of these processes in the joint is insufficiently understood. We report that ANP32A protects the cartilage against oxidative stress, preventing osteoarthritis development and disease progression. ANP32A is down-regulated in human and mouse osteoarthritic cartilage. Microarray profiling revealed that ANP32A protects the joint by promoting the expression of ATM, a key regulator of the cellular oxidative defense. Antioxidant treatment reduced the severity of osteoarthritis, osteopenia, and cerebellar ataxia features in Anp32a-deficient mice, revealing that the ANP32A/ATM axis discovered in cartilage is also present in brain and bone. Our findings indicate that modulating ANP32A signaling could help manage oxidative stress in cartilage, brain, and bone with therapeutic implications for osteoarthritis, neurological disease, and osteoporosis.
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Affiliation(s)
- Frederique M. F. Cornelis
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
| | - Silvia Monteagudo
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
| | - Laura-An K. A. Guns
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
| | - Wouter den Hollander
- Department of Medical Statistics and Bioinformatics, Section Molecular Epidemiology, Leiden University Medical Center, 2300 RC Leiden, Netherlands
- Integrated research on Developmental determinants of Ageing and Longevity (IDEAL), 2300 RC Leiden, Netherlands
| | - Rob G. H. H. Nelissen
- Department of Orthopaedics, Leiden University Medical Center, 2300 RC Leiden, Netherlands
| | - Lies Storms
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
| | - Tine Peeters
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
| | - Ilse Jonkers
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
- Human Movement Biomechanics, Department of Kinesiology, KU Leuven, 3000 Leuven, Belgium
| | - Ingrid Meulenbelt
- Department of Medical Statistics and Bioinformatics, Section Molecular Epidemiology, Leiden University Medical Center, 2300 RC Leiden, Netherlands
- Integrated research on Developmental determinants of Ageing and Longevity (IDEAL), 2300 RC Leiden, Netherlands
| | - Rik J. Lories
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, KU Leuven, 3000 Leuven, Belgium
- Division of Rheumatology, University Hospitals Leuven, 3000 Leuven, Belgium
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93
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Drevet S, Gavazzi G, Grange L, Dupuy C, Lardy B. Reactive oxygen species and NADPH oxidase 4 involvement in osteoarthritis. Exp Gerontol 2018; 111:107-117. [PMID: 30012342 DOI: 10.1016/j.exger.2018.07.007] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 07/06/2018] [Accepted: 07/09/2018] [Indexed: 01/04/2023]
Abstract
Osteoarthritis (OA) is a degenerative chronic disease affecting >300,000 million people around the world as of 2016. Symptomatic measures exist, but there are hardly any curative treatments available. Disruption of the cartilage homeostasis in favor of catabolism leads to cartilage destruction. ROS-macromolecular-induced damage is significantly greater in OA cartilage and OA is described as low-grade chronic systemic inflammation. This review aimed to assess the critical role of cartilage ageing and oxidative stress in the OA process, focusing in particular on NADPH oxidase and especially Nox4 involvement. With age, hypertrophic senescent cells with an altered redox cell profile accumulated. Chondrocytes are more sensitive to oxidant-mediators and the serum level of pro-inflammatory mediators increases. Age-related advanced glycation end products impact on extra cellular matrix (ECM) properties leading to the apoptosis of chondrocytes. A focus on NADPH oxidase-mediated-ROS signaling highlighted the very specific Nox4 isoform, which plays a role on the final common pathway targeting chondrocyte cells. IL-1β-mediated Nox4 stimulation induced an increase in the levels released by the chondrocyte of MMP-1 and MMP-13 proteins, which are involved in ECM degradation. In comparison with the other Nox isoforms, Nox4 remains unusual, since it is constitutively active, does not depend on cytosolic activator proteins and seems to generate H2O2 thanks to the specific conformation of the Nox4 E-loop. Nox4-induced ROS production appears an essential actor in the OA process and it could be relevant to focus on this target in the aim of discovering and developing new therapeutic strategies.
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Affiliation(s)
- S Drevet
- Grenoble Alpes University Hospital, Orthogeriatric Unit, Geriatric Department, Grenoble Alpes University, GREPI UGA-EFS EA7408, Boulevard de la Chantourne, 38043 Grenoble Cedex 1, France.
| | - G Gavazzi
- Grenoble Alpes University Hospital, Acute Geriatric Medicine Unit, Geriatric Department, Grenoble Alpes University, GREPI UGA-EFS EA7408, Boulevard de la Chantourne, 38043 Grenoble Cedex 1, France.
| | - L Grange
- Grenoble Alpes University Hospital, Rheumatology Department, Hopital Sud, GREPI UGA-EFS EA7408, 19 avenue de Kimberley, 38130 Echirolles, France.
| | - C Dupuy
- Institut Gustave Roussy, UMR 8200 CNRS "Stabilité génétique et Oncogenèse", 114 rue Edouard Vaillant, 94805 Villejuif Cedex, France.
| | - B Lardy
- Grenoble Alpes University Hospital, Biology Department, Grenoble Alpes University, GREPI UGA-EFS EA7408, Boulevard de la Chantourne, 38043 Grenoble Cedex 1, France.
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94
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Vinatier C, Domínguez E, Guicheux J, Caramés B. Role of the Inflammation-Autophagy-Senescence Integrative Network in Osteoarthritis. Front Physiol 2018; 9:706. [PMID: 29988615 PMCID: PMC6026810 DOI: 10.3389/fphys.2018.00706] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2018] [Accepted: 05/22/2018] [Indexed: 12/11/2022] Open
Abstract
Osteoarthritis is the most common musculoskeletal disease causing chronic disability in adults. Studying cartilage aging, chondrocyte senescence, inflammation, and autophagy mechanisms have identified promising targets and pathways with clinical translatability potential. In this review, we highlight the most recent mechanistic and therapeutic preclinical models of aging with particular relevance in the context of articular cartilage and OA. Evidence supporting the role of metabolism, nuclear receptors and transcription factors, cell senescence, and circadian rhythms in the development of musculoskeletal system degeneration assure further translational efforts. This information might be useful not only to propose hypothesis and advanced models to study the molecular mechanisms underlying joint degeneration, but also to translate our knowledge into novel disease-modifying therapies for OA.
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Affiliation(s)
- Claire Vinatier
- INSERM, UMR 1229, Regenerative Medicine and Skeleton, University of Nantes, ONIRIS, Nantes, France.,University of Nantes, UFR Odontologie, Nantes, France
| | - Eduardo Domínguez
- Biofarma Research Group, Center for Research in Molecular Medicine and Chronic Diseases, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Jerome Guicheux
- INSERM, UMR 1229, Regenerative Medicine and Skeleton, University of Nantes, ONIRIS, Nantes, France.,University of Nantes, UFR Odontologie, Nantes, France.,CHU Nantes, PHU4 OTONN, Nantes, France
| | - Beatriz Caramés
- Grupo de Biología del Cartílago, Servicio de Reumatología. Instituto de Investigación Biomédica de A Coruña, Complexo Hospitalario Universitario de A Coruña, Sergas, A Coruña, Spain
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95
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Abstract
PURPOSE OF REVIEW Age is a key risk factor for the development of osteoarthritis and age-related changes within the joint might represent targets for therapy. The recent literature was reviewed to find studies that provide new insight into the role of aging in osteoarthritis, with a focus on the potential for disease modification. RECENT FINDINGS Preclinical studies using isolated cells and animal models provide evidence that two hallmarks of aging (cellular senescence and mitochondrial dysfunction) contribute to the development of osteoarthritis. Senescent cells secrete pro-inflammatory mediators and matrix degrading enzymes, and killing these cells with 'senolytic' compounds has emerged as a potential disease-modifying therapy. Mitochondrial dysfunction is associated with increased levels of reactive oxygen species (ROS) that can promote osteoarthritis by disrupting homeostatic intracellular signaling. Reducing ROS production in the mitochondria, stimulating antioxidant gene expression through Nrf2 activation, or inhibiting specific redox-sensitive signaling proteins represent additional approaches to disease modification in osteoarthritis that require further investigation. SUMMARY Although no human clinical trials for osteoarthritis have specifically targeted aging, preclinical studies suggest that targeting cellular senescence and/or mitochondrial dysfunction and the effects of excessive ROS may lead to novel interventions that could slow the progression of osteoarthritis.
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96
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Masuda I, Koike M, Nakashima S, Mizutani Y, Ozawa Y, Watanabe K, Sawada Y, Sugiyama H, Sugimoto A, Nojiri H, Sashihara K, Yokote K, Shimizu T. Apple procyanidins promote mitochondrial biogenesis and proteoglycan biosynthesis in chondrocytes. Sci Rep 2018; 8:7229. [PMID: 29739985 PMCID: PMC5940809 DOI: 10.1038/s41598-018-25348-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Accepted: 04/20/2018] [Indexed: 12/21/2022] Open
Abstract
Apples are well known to have various benefits for the human body. Procyanidins are a class of polyphenols found in apples that have demonstrated effects on the circulatory system and skeletal organs. Osteoarthritis (OA) is a locomotive syndrome that is histologically characterized by cartilage degeneration associated with the impairment of proteoglycan homeostasis in chondrocytes. However, no useful therapy for cartilage degeneration has been developed to date. In the present study, we detected beneficial effects of apple polyphenols or their procyanidins on cartilage homeostasis. An in vitro assay revealed that apple polyphenols increased the activities of mitochondrial dehydrogenases associated with an increased copy number of mitochondrial DNA as well as the gene expression of peroxisome proliferator-activated receptor gamma coactivator 1-α (PGC-1α), suggesting the promotion of PGC-1α-mediated mitochondrial biogenesis. Apple procyanidins also enhanced proteoglycan biosynthesis with aggrecan upregulation in primary chondrocytes. Of note, oral treatment with apple procyanidins prevented articular cartilage degradation in OA model mice induced by mitochondrial dysfunction in chondrocytes. Our findings suggest that apple procyanidins are promising food components that inhibit OA progression by promoting mitochondrial biogenesis and proteoglycan homeostasis in chondrocytes.
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Affiliation(s)
- Isao Masuda
- Department of Functional Materials Technology, Core Technology Laboratories, Asahi Group Holdings, Ltd., Ibaraki, Japan.,Department of Advanced Aging Medicine, Chiba University Graduate School of Medicine, Chiba, Japan.,Products Development Department, Asahi Calpis Wellness Co., Ltd., Kanagawa, Japan
| | - Masato Koike
- Department of Advanced Aging Medicine, Chiba University Graduate School of Medicine, Chiba, Japan.,Department of Orthopaedics, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Shohei Nakashima
- Department of Functional Materials Technology, Core Technology Laboratories, Asahi Group Holdings, Ltd., Ibaraki, Japan.,Products Development Department, Asahi Calpis Wellness Co., Ltd., Kanagawa, Japan
| | - Yu Mizutani
- Department of Functional Materials Technology, Core Technology Laboratories, Asahi Group Holdings, Ltd., Ibaraki, Japan
| | - Yusuke Ozawa
- Department of Advanced Aging Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Kenji Watanabe
- Department of Advanced Aging Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Yoko Sawada
- Products Development Department, Asahi Calpis Wellness Co., Ltd., Kanagawa, Japan
| | | | - Atsushi Sugimoto
- Quality Assurance Department, Quality Assurance Headquarters, Asahi Group Foods, Ltd., Tokyo, Japan
| | - Hidetoshi Nojiri
- Department of Orthopaedics, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Koichi Sashihara
- Department of Functional Materials Technology, Core Technology Laboratories, Asahi Group Holdings, Ltd., Ibaraki, Japan
| | - Koutaro Yokote
- Department of Clinical Cell Biology and Medicine, Chiba University Graduate School of Medicine, Chiba, Japan
| | - Takahiko Shimizu
- Department of Advanced Aging Medicine, Chiba University Graduate School of Medicine, Chiba, Japan. .,Department of Clinical Cell Biology and Medicine, Chiba University Graduate School of Medicine, Chiba, Japan.
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97
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Carnosic acid attenuates cartilage degeneration through induction of heme oxygenase-1 in human articular chondrocytes. Eur J Pharmacol 2018; 830:1-8. [PMID: 29678719 DOI: 10.1016/j.ejphar.2018.04.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 04/15/2018] [Accepted: 04/16/2018] [Indexed: 01/07/2023]
Abstract
Osteoarthritis (OA) is common age-associated disease, and associated with joint pain, mobility limitations and compromised overall quality of life. OA treatment is currently limited to pain management and joint arthroplasty at end stage disease. Oxidative damage to cartilage extracellular matrix and cells is an important mechanism in joint aging and OA pathogenesis. Evidence from in vitro and in vivo models of OA suggests that pharmaceuticals and natural compounds with antioxidant properties reduce expression of mediators of OA pathogenesis and OA severity in animal models. Among the signaling pathways that control cellular protective mechanisms against oxygen radical damage is heme oxygenase-1 (HO-1). We recently report HO-1 reduced OA severity in a mouse model. This led to the hypothesis that compounds that increase HO-1 expression have therapeutic potential in OA. Carnosic acid (CA), a natural diterpene with oxidant activity, is prevents cartilage degeneration though induction of HO-1. CA induced HO-1 and miR-140 expression in human articular chondrocytes, and cartilage degeneration was attenuated by CA treatment. Induced HO-1 by CA was in part associated with downregulation via miR-140 binding to 3'UTR of BTB and CNC homology 1 (BACH1). These findings suggest that CA attenuates cartilage degradation through HO-1 upregulation and has potential as a supplement for OA prevention.
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98
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Jeon OH, David N, Campisi J, Elisseeff JH. Senescent cells and osteoarthritis: a painful connection. J Clin Invest 2018; 128:1229-1237. [PMID: 29608139 PMCID: PMC5873863 DOI: 10.1172/jci95147] [Citation(s) in RCA: 191] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Senescent cells (SnCs) are associated with age-related pathologies. Osteoarthritis is a chronic disease characterized by pain, loss of cartilage, and joint inflammation, and its incidence increases with age. For years, the presence of SnCs in cartilage isolated from patients undergoing total knee artificial implants has been noted, but these cells' relevance to disease was unclear. In this Review, we summarize current knowledge of SnCs in the multiple tissues that constitute the articular joint. New evidence for the causative role of SnCs in the development of posttraumatic and age-related arthritis is reviewed along with the therapeutic benefit of SnC clearance. As part of their senescence-associated secretory phenotype, SnCs secrete cytokines that impact the immune system and its response to joint tissue trauma. We present concepts of the immune response to tissue trauma as well as the interactions with SnCs and the local tissue environment. Finally, we discuss therapeutic implications of targeting SnCs in treating osteoarthritis.
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Affiliation(s)
- Ok Hee Jeon
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
- Buck Institute for Research on Aging, Novato, California, USA
| | | | - Judith Campisi
- Buck Institute for Research on Aging, Novato, California, USA
| | - Jennifer H. Elisseeff
- Translational Tissue Engineering Center, Wilmer Eye Institute and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA
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99
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Delco ML, Bonnevie ED, Szeto HS, Bonassar LJ, Fortier LA. Mitoprotective therapy preserves chondrocyte viability and prevents cartilage degeneration in an ex vivo model of posttraumatic osteoarthritis. J Orthop Res 2018; 36:10.1002/jor.23882. [PMID: 29469223 PMCID: PMC6105558 DOI: 10.1002/jor.23882] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 02/07/2018] [Indexed: 02/04/2023]
Abstract
No disease-modifying osteoarthritis (OA) drugs are available to prevent posttraumatic osteoarthritis (PTOA). Mitochondria (MT) mediate the pathogenesis of many degenerative diseases, and recent evidence indicates that MT dysfunction is a peracute (within minutes to hours) response of cartilage to mechanical injury. The goal of this study was to investigate cardiolipin-targeted mitoprotection as a new strategy to prevent chondrocyte death and cartilage degeneration after injury. Cartilage was harvested from bovine knee joints and subjected to a single, rapid impact injury (24.0 ±1.4 MPa, 53.8 ± 5.3 GPa/s). Explants were then treated with a mitoprotective peptide, SS-31 (1µM), immediately post-impact, or at 1, 6, or 12 h after injury, and then cultured for up to 7 days. Chondrocyte viability and apoptosis were quantified in situ using confocal microscopy. Cell membrane damage (lactate dehydrogenase activity) and cartilage matrix degradation (glycosaminoglycan loss) were quantified in cartilage-conditioned media. SS-31 treatment at all time points after impact resulted in chondrocyte viability similar to that of un-injured controls. This effect was sustained for up to a week in culture. Further, SS-31 prevented impact-induced chondrocyte apoptosis, cell membrane damage, and cartilage matrix degeneration. CLINICAL SIGNIFICANCE This study is the first investigation of cardiolipin-targeted mitoprotective therapy in cartilage. These results suggest that even when treatment is delayed by up to 12 h after injury, mitoprotection may be a useful strategy in the prevention of PTOA. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 9999:1-10, 2018.
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Affiliation(s)
- Michelle L. Delco
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY
| | - Edward D. Bonnevie
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY
| | - Hazel S. Szeto
- Department of Pharmacology, Weill Cornell Medical College, New York, NY
| | - Lawrence J. Bonassar
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY
- Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY
| | - Lisa A. Fortier
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY
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100
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Issa R, Boeving M, Kinter M, Griffin TM. Effect of biomechanical stress on endogenous antioxidant networks in bovine articular cartilage. J Orthop Res 2018; 36:760-769. [PMID: 28892196 PMCID: PMC5839935 DOI: 10.1002/jor.23728] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 08/31/2017] [Indexed: 02/04/2023]
Abstract
Mechanosensitve pathways in chondrocytes are essential for maintaining articular cartilage homeostasis. Traumatic loading increases cartilage oxidation and causes cell death and osteoarthritis. However, sub-lethal doses of the pro-oxidant molecule tert-Butyl hydroperoxide (tBHP) protects against loading-induced chondrocyte death. We hypothesized that compressive cyclic loading at moderate strains (<20%) causes sub-lethal cartilage oxidation that induces an adaptive increase in the endogenous antioxidant defense network. We tested this hypothesis by subjecting healthy bovine articular cartilage explants to in vitro static or cyclic (1 Hz) compressive loading at 50 kPa (15% strain, "physiologic") versus 300 kPa (40% strain, "hyper-physiologic") for 12 h per day for 2 days. We also treated unloaded explants with 100 μM tBHP for 12 h per day for 2 days to differentiate between biomechanical and chemical pro-oxidant stimulation. All loading conditions induced glutathione oxidation relative to unloaded controls, but only the 50 kPa cyclic loading condition increased total glutathione content (twofold). This increase was associated with a greater expression of glutamate-cysteine ligase, the rate-limiting step in glutathione synthesis, compared to 300 kPa cyclic loading. 50 kPa cyclic loading also increased the expression of superoxide dismutase-1 and peroxiredoxin-3. Like 50 kPa loading, tBHP treatment also increased total glutathione content. However, tBHP treatment and 50 kPa cyclic loading differed in their effect on the expression of genes regulating antioxidant defense and cartilage matrix synthesis and degradation. These findings suggest that glutathione metabolism is a mechanosensitive antioxidant defense pathway in chondrocytes and that intermittent pro-oxidant treatment alone is insufficient to account for all changes in mediators of cartilage homeostasis associated with cyclic loading. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:760-769, 2018.
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Affiliation(s)
- Rita Issa
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Michael Boeving
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Michael Kinter
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA,Department of Geriatric Medicine, Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Timothy M. Griffin
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA,Department of Geriatric Medicine, Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA,Department of Biochemistry and Molecular Biology and Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
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