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Liu L, Wang J, Liu L, Shi W, Gao H, Liu L. The dysregulated autophagy in osteoarthritis: Revisiting molecular profile. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2024:S0079-6107(24)00034-8. [PMID: 38531488 DOI: 10.1016/j.pbiomolbio.2024.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/21/2024] [Accepted: 03/22/2024] [Indexed: 03/28/2024]
Abstract
The risk factors of osteoarthritis (OA) are different and obesity, lifestyle, inflammation, cell death mechanisms and diabetes mellitus are among them. The changes in the biological mechanisms are considered as main regulators of OA pathogenesis. The dysregulation of autophagy is observed in different human diseases. During the pathogenesis of OA, the autophagy levels (induction or inhibition) change. The supportive and pro-survival function of autophagy can retard the progression of OA. The protective autophagy prevents the cartilage degeneration. Moreover, autophagy demonstrates interactions with cell death mechanisms and through inhibition of apoptosis and necroptosis, it improves OA. The non-coding RNA molecules can regulate autophagy and through direct and indirect control of autophagy, they dually delay/increase OA pathogenesis. The mitochondrial integrity can be regulated by autophagy to alleviate OA. Furthermore, therapeutic compounds, especially phytochemicals, stimulate protective autophagy in chondrocytes to prevent cell death. The protective autophagy has ability of reducing inflammation and oxidative damage, as two key players in the pathogenesis of OA.
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Affiliation(s)
- Liang Liu
- Department of Joint Surgery, Affiliated Hospital of Qingdao University, Qingdao, Pingdu, 266000, China
| | - Jie Wang
- Department of Joint Surgery, Affiliated Hospital of Qingdao University, Qingdao, Pingdu, 266000, China
| | - Lu Liu
- Department of Internal Medicine, Tianbao Central Health Hospital, Xintai City, Shandong Province, Shandong, Xintai, 271200, China
| | - Wenling Shi
- Department of Joint Surgery, Affiliated Hospital of Qingdao University, Qingdao, Pingdu, 266000, China
| | - Huajie Gao
- Operating Room of Qingdao University Affiliated Hospital, Qingdao, Pingdu, 266000, China
| | - Lun Liu
- Department of Joint Surgery, Affiliated Hospital of Qingdao University, Qingdao, Pingdu, 266000, China.
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Li Z, Xie L, Zeng H, Wu Y. PDK4 inhibits osteoarthritis progression by activating the PPAR pathway. J Orthop Surg Res 2024; 19:109. [PMID: 38308345 PMCID: PMC10835968 DOI: 10.1186/s13018-024-04583-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 01/25/2024] [Indexed: 02/04/2024] Open
Abstract
BACKGROUND Osteoarthritis (OA) is a degenerative joint disease caused by the deterioration of cartilage. However, the underlying mechanisms of OA pathogenesis remain elusive. METHODS Hub genes were screened by bioinformatics analysis based on the GSE114007 and GSE169077 datasets. The Sprague-Dawley (SD) rat model of OA was constructed by intra-articular injection of a mixture of papain and L-cysteine. Hematoxylin-eosin (HE) staining was used to detect pathological changes in OA rat models. Inflammatory cytokine levels in serum were measured employing the enzyme-linked immunosorbent assay (ELISA). The reverse transcription quantitative PCR (RT-qPCR) was implemented to assess the hub gene expressions in OA rat models. The roles of PDK4 and the mechanism regulating the PPAR pathway were evaluated through western blot, cell counting kit-8 (CCK-8), ELISA, and flow cytometry assays in C28/I2 chondrocytes induced by IL-1β. RESULTS Six hub genes were identified, of which COL1A1, POSTN, FAP, and CDH11 expressions were elevated, while PDK4 and ANGPTL4 were reduced in OA. Overexpression of PDK4 inhibited apoptosis, inflammatory cytokine levels (TNF-α, IL-8, and IL-6), and extracellular matrix (ECM) degradation protein expressions (MMP-3, MMP-13, and ADAMTS-4) in IL-1β-induced chondrocytes. Further investigation revealed that PDK4 promoted the expression of PPAR signaling pathway-related proteins: PPARA, PPARD, and ACSL1. Additionally, GW9662, an inhibitor of the PPAR pathway, significantly counteracted the inhibitory effect of PDK4 overexpression on IL-1β-induced chondrocytes. CONCLUSION PDK4 inhibits OA development by activating the PPAR pathway, which provides new insights into the OA management.
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Affiliation(s)
- Zhengnan Li
- Department of Sports Medicine, Ganzhou People's Hospital, No.16, MeiGuan Road, Zhanggong District, Ganzhou City, 341000, Jiangxi Province, China
| | - Lifeng Xie
- Department of Orthopedics, The Second Affiliated Hospital of Nanchang University, No.1 MinDe Road, Donghu District, Nanchang City, 330000, Jiangxi Province, China
| | - Hui Zeng
- Department of Sports Medicine, Ganzhou People's Hospital, No.16, MeiGuan Road, Zhanggong District, Ganzhou City, 341000, Jiangxi Province, China
| | - Yaohong Wu
- Department of Spine Surgery, Ganzhou People's Hospital, No.16, MeiGuan Road, Zhanggong District, Ganzhou City, 341000, Jiangxi Province, China.
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Naselli F, Bellavia D, Costa V, De Luca A, Raimondi L, Giavaresi G, Caradonna F. Osteoarthritis in the Elderly Population: Preclinical Evidence of Nutrigenomic Activities of Flavonoids. Nutrients 2023; 16:112. [PMID: 38201942 PMCID: PMC10780745 DOI: 10.3390/nu16010112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 12/14/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Osteoarthritis (OA) is a degenerative joint disease that is age-related and progressive. It causes the destruction of articular cartilage and underlying bone, often aggravated by inflammatory processes and oxidative stresses. This pathology impairs the quality of life of the elderly, causing pain, reduced mobility, and functional disabilities, especially in obese patients. Phytochemicals with anti-inflammatory and antioxidant activities may be used for long-term treatment of OA, either in combination with current anti-inflammatories and painkillers, or as an alternative to other products such as glucosamine and chondroitin, which improve cartilage structure and elasticity. The current systematic review provides a comprehensive understanding of the use of flavonoids. It highlights chondrocyte, cartilage, and subchondral bone activities, with a particular focus on their nutrigenomic effects. The molecular mechanisms of these molecules demonstrate how they can be used for the prevention and treatment of OA in the elderly population. However, clinical trials are still needed for effective use in clinical practice.
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Affiliation(s)
- Flores Naselli
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), Section of Cellular Biology, University of Palermo, 90133 Palermo, Italy; (F.N.); (F.C.)
| | - Daniele Bellavia
- IRCCS Istituto Ortopedico Rizzoli, SC Scienze e Tecnologie Chirurgiche—SS Piattaforma Scienze Omiche per Ortopedia Personalizzata, 40136 Bologna, Italy (A.D.L.); (L.R.); (G.G.)
| | - Viviana Costa
- IRCCS Istituto Ortopedico Rizzoli, SC Scienze e Tecnologie Chirurgiche—SS Piattaforma Scienze Omiche per Ortopedia Personalizzata, 40136 Bologna, Italy (A.D.L.); (L.R.); (G.G.)
| | - Angela De Luca
- IRCCS Istituto Ortopedico Rizzoli, SC Scienze e Tecnologie Chirurgiche—SS Piattaforma Scienze Omiche per Ortopedia Personalizzata, 40136 Bologna, Italy (A.D.L.); (L.R.); (G.G.)
| | - Lavinia Raimondi
- IRCCS Istituto Ortopedico Rizzoli, SC Scienze e Tecnologie Chirurgiche—SS Piattaforma Scienze Omiche per Ortopedia Personalizzata, 40136 Bologna, Italy (A.D.L.); (L.R.); (G.G.)
| | - Gianluca Giavaresi
- IRCCS Istituto Ortopedico Rizzoli, SC Scienze e Tecnologie Chirurgiche—SS Piattaforma Scienze Omiche per Ortopedia Personalizzata, 40136 Bologna, Italy (A.D.L.); (L.R.); (G.G.)
| | - Fabio Caradonna
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), Section of Cellular Biology, University of Palermo, 90133 Palermo, Italy; (F.N.); (F.C.)
- NBFC, National Biodiversity Future Center, 90133 Palermo, Italy
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An F, Zhang J, Gao P, Xiao Z, Chang W, Song J, Wang Y, Ma H, Zhang R, Chen Z, Yan C. New insight of the pathogenesis in osteoarthritis: the intricate interplay of ferroptosis and autophagy mediated by mitophagy/chaperone-mediated autophagy. Front Cell Dev Biol 2023; 11:1297024. [PMID: 38143922 PMCID: PMC10748422 DOI: 10.3389/fcell.2023.1297024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 11/27/2023] [Indexed: 12/26/2023] Open
Abstract
Ferroptosis, characterized by iron accumulation and lipid peroxidation, is a form of iron-driven cell death. Mitophagy is a type of selective autophagy, where degradation of damaged mitochondria is the key mechanism for maintaining mitochondrial homeostasis. Additionally, Chaperone-mediated autophagy (CMA) is a biological process that transports individual cytoplasmic proteins to lysosomes for degradation through companion molecules such as heat shock proteins. Research has demonstrated the involvement of ferroptosis, mitophagy, and CMA in the pathological progression of Osteoarthritis (OA). Furthermore, research has indicated a significant correlation between alterations in the expression of reactive oxygen species (ROS), adenosine monophosphate (AMP)-activated protein kinase (AMPK), and hypoxia-inducible factors (HIFs) and the occurrence of OA, particularly in relation to ferroptosis and mitophagy. In light of these findings, our study aims to assess the regulatory functions of ferroptosis and mitophagy/CMA in the pathogenesis of OA. Additionally, we propose a mechanism of crosstalk between ferroptosis and mitophagy, while also examining potential pharmacological interventions for targeted therapy in OA. Ultimately, our research endeavors to offer novel insights and directions for the prevention and treatment of OA.
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Affiliation(s)
- Fangyu An
- Teaching Experiment Training Center, Gansu University of Chinese Medicine, Lanzhou, China
| | - Jie Zhang
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Peng Gao
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Zhipan Xiao
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Weirong Chang
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Jiayi Song
- School of Basic Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Yujie Wang
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Haizhen Ma
- Teaching Department of Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Rui Zhang
- Teaching Department of Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Zhendong Chen
- Teaching Department of Medicine, Gansu University of Chinese Medicine, Lanzhou, China
| | - Chunlu Yan
- School of Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, China
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Yang Y, Liu Q, Lu X, Ma J, Mei D, Chen Q, Zhao T, Chen J. Sanhuang decoction inhibits autophagy of periodontal ligament fibroblasts during orthodontic tooth movement by activating PI3K-Akt-mTOR pathway. Biomed Pharmacother 2023; 166:115391. [PMID: 37677964 DOI: 10.1016/j.biopha.2023.115391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/08/2023] [Accepted: 08/26/2023] [Indexed: 09/09/2023] Open
Abstract
BACKGROUND Orthodontic tooth movement (OTM) is a typical treatment that corrects malaligned teeth by applying mechanical forces. However, mechanical overload often leads to damage of PDL fibroblasts. Sanhuang decoction (SHD) is commonly used to inhibit inflammation and oxidative stress. However, the mechanism of SHD for OTM treatment is still unclear. Therefore, this study attempts to explore the underlying mechanism through relevant experiments. METHODS In the present paper, we established a OTM rat model and further explored the effects of SHD on the PDL of OTM rats. The OTM model and effects of SHD were determined by micro-CT, and the PDL pathological changes, PDL width and capillaries in PDL were observed by H&E staining. Subsequently, the ROS levels in PDL was determined using flow cytometry analysis with DCFH-DA staining, MDA contents and antioxidative enzymes activities were also measured using commercial kits. Furthermore, the autophagy of PDL fibroblasts and proteins in the PI3K/Akt/mTOR pathway were detected using immunoluminescence, qPCR and western blotting assays. RESULTS The results showed SHD treatment can alleviate the decrease of PDL cells and capillaries induced by OTM, and improve the MDA and ROS levels in PDL, as well as enhance the activities of SOD and GSH-Px. Further experiments indicated SHD decreased the autophagy levels of PDL fibroblasts via promoting the phosphorylation levels of mTOR, PI3K and Akt proteins. CONCLUSION SHD inhibited autophagy of periodontal ligament fibroblasts during orthodontic tooth movement by inhibiting oxidative stress via activating PI3K-Akt-mTOR pathway. Our present findings suggested SHD treatment would be useful for management of the possible disorders occurs in orthodontic tooth movement therapy.
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Affiliation(s)
- Yiqiang Yang
- Department of Orthodontics, Stomatological Hospital, General Hospital of Ningxia Medical University, Yinchuan 750004, PR China
| | - Qi Liu
- Department of Prosthodontics, Yinchuan Stomatological Hospital, Yinchuan 750004, PR China
| | - Xun Lu
- Department of Orthodontics, Stomatological Hospital, General Hospital of Ningxia Medical University, Yinchuan 750004, PR China
| | - Jing Ma
- Department of Orthodontics, Stomatological Hospital, General Hospital of Ningxia Medical University, Yinchuan 750004, PR China
| | - Donglan Mei
- Department of Orthodontics, Stomatological Hospital, General Hospital of Ningxia Medical University, Yinchuan 750004, PR China
| | - Qi Chen
- Department of Orthodontics, Stomatological Hospital, General Hospital of Ningxia Medical University, Yinchuan 750004, PR China
| | - Tian Zhao
- Department of Orthodontics, Stomatological Hospital, General Hospital of Ningxia Medical University, Yinchuan 750004, PR China
| | - Jia Chen
- Department of Orthodontics, Stomatological Hospital, General Hospital of Ningxia Medical University, Yinchuan 750004, PR China.
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Zhang X, Liu Q, Zhang J, Song C, Han Z, Wang J, Shu L, Liu W, He J, Wang P. The emerging role of lncRNAs in osteoarthritis development and potential therapy. Front Genet 2023; 14:1273933. [PMID: 37779916 PMCID: PMC10538550 DOI: 10.3389/fgene.2023.1273933] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 09/04/2023] [Indexed: 10/03/2023] Open
Abstract
Osteoarthritis impairs the functions of various joints, such as knees, hips, hands and spine, which causes pain, swelling, stiffness and reduced mobility in joints. Multiple factors, including age, joint injuries, obesity, and mechanical stress, could contribute to osteoarthritis development and progression. Evidence has demonstrated that genetics and epigenetics play a critical role in osteoarthritis initiation and progression. Noncoding RNAs (ncRNAs) have been revealed to participate in osteoarthritis development. In this review, we describe the pivotal functions and molecular mechanisms of numerous lncRNAs in osteoarthritis progression. We mention that long noncoding RNAs (lncRNAs) could be biomarkers for osteoarthritis diagnosis, prognosis and therapeutic targets. Moreover, we highlight the several compounds that alleviate osteoarthritis progression in part via targeting lncRNAs. Furthermore, we provide the future perspectives regarding the potential application of lncRNAs in diagnosis, treatment and prognosis of osteoarthritis.
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Affiliation(s)
- Xiaofeng Zhang
- Department of Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Qishun Liu
- Department of Orthopedics, Zhejiang Medical & Health Group Hangzhou Hospital, Hang Gang Hospital, Hangzhou, China
| | - Jiandong Zhang
- Department of Orthopedics and Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Caiyuan Song
- Department of Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Zongxiao Han
- Department of Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Jinjie Wang
- Department of Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Lilu Shu
- Zhejiang Zhongwei Medical Research Center, Department of Medicine, Hangzhou, Zhejiang, China
| | - Wenjun Liu
- Zhejiang Zhongwei Medical Research Center, Department of Medicine, Hangzhou, Zhejiang, China
| | - Jinlin He
- Department of Traumatology, Hangzhou Fuyang Hospital of TCM Orthopedics and Traumatology, Hangzhou, Zhejiang, China
| | - Peter Wang
- Zhejiang Zhongwei Medical Research Center, Department of Medicine, Hangzhou, Zhejiang, China
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Long L, Zou G, Cheng Y, Li F, Wu H, Shen Y. MATN3 delivered by exosome from synovial mesenchymal stem cells relieves knee osteoarthritis: Evidence from in vitro and in vivo studies. J Orthop Translat 2023; 41:20-32. [PMID: 37635810 PMCID: PMC10448336 DOI: 10.1016/j.jot.2023.06.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 06/28/2023] [Accepted: 06/29/2023] [Indexed: 08/29/2023] Open
Abstract
Background Synovial mesenchymal stem cell (SMSC) exerts chondroprotective effects in osteoarthritis (OA) clinical models. However, the regulatory potentials of SMSC-derived exosomes (SMSC-Exo) in OA still need to be discovered, which attracted our attention. Methods The destabilization of the medial meniscus surgery was performed on the knee joints of a mouse OA model, followed by injection of SMSC-Exo. In addition, SMSC-Exo was administrated to mouse chondrocytes to observe the functional and molecular alterations. Results Both of SMSC-Exo and overexpression of Matrilin-3 (MATN3) alleviated cartilage destruction and suppressed degradation of extracellular matrix (ECM) in the OA rat model. In addition, assays concerning the in vitro OA model induced by IL-1β showed that SMSC-Exo could promote chondrocyte viability and inhibit autophagy defects. Furthermore, SMSC-Exo achieved the chondroprotective effects through the delivery of MATN3/IL-17A, and MATN3 could suppress the activation of PI3K/AKT/mTOR signaling through IL-17A. Conclusion SMSC-Exo exerts beneficial therapeutic effects on OA by preventing ECM degradation and autophagy defects by delivering MATN3/IL-17A. The Translational Potential of this Article The translational potential of this study is not only limited to the treatment of knee osteoarthritis but also provides new insights for the treatment of other joint diseases by exploring the mechanism of MATN3. In addition, SMSCExo, as a novel drug carrier, has great potential for treating and diagnosing other diseases. With further research, these findings will provide new directions for developing personalized and innovative treatment options.
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Affiliation(s)
- Long Long
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, Jiangsu Province, China
- Department of Orthopedics, The First People's Hospital of Yancheng, Yancheng, 224001, Jiangsu Province, China
| | - Guoyou Zou
- Department of Orthopedics, The First People's Hospital of Yancheng, Yancheng, 224001, Jiangsu Province, China
| | - Yi Cheng
- Department of Orthopedics, The First People's Hospital of Yancheng, Yancheng, 224001, Jiangsu Province, China
| | - Feng Li
- Department of Orthopedics, The First People's Hospital of Yancheng, Yancheng, 224001, Jiangsu Province, China
| | - Hao Wu
- Department of Orthopedics, The First People's Hospital of Yancheng, Yancheng, 224001, Jiangsu Province, China
| | - Yixin Shen
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, 215004, Jiangsu Province, China
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