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Liu Z, Xie W, Li H, Liu X, Lu Y, Lu B, Deng Z, Li Y. Novel perspectives on leptin in osteoarthritis: Focus on aging. Genes Dis 2024; 11:101159. [PMID: 39229323 PMCID: PMC11369483 DOI: 10.1016/j.gendis.2023.101159] [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: 04/07/2023] [Revised: 09/10/2023] [Accepted: 09/16/2023] [Indexed: 09/05/2024] Open
Abstract
Osteoarthritis (OA) is a common chronic joint disease characterized by articular cartilage degeneration, subchondral sclerosis, synovitis, and osteophyte formation. OA is associated with disability and impaired quality of life, particularly among the elderly. Leptin, a 16-kD non-glycosylated protein encoded by the obese gene, is produced on a systemic and local basis in adipose tissue and the infrapatellar fat pad located in the knee. The metabolic mechanisms employed by leptin in OA development have been widely studied, with attention being paid to aging as a corroborative risk factor for OA. Hence, in this review, we have attempted to establish a potential link between leptin and OA, by focusing on aging-associated mechanisms and proposing leptin as a potential diagnostic and therapeutic target in aging-related mechanisms of OA that may provide fruitful guidance and emphasis for future research.
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Affiliation(s)
- Zimo Liu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Xiangya School of Medicine, Central South University, Changsha, Hunan 410083, China
| | - Wenqing Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Hengzhen Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Xu Liu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Yao Lu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- Xiangya School of Medicine, Central South University, Changsha, Hunan 410083, China
| | - Bangbao Lu
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
| | - Zhenhan Deng
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Yusheng Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, Hunan 410008, China
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Farrag Y, Farrag M, Varela-García M, Torrijos-Pulpón C, Capuozzo M, Ottaiano A, Lago F, Mera A, Pino J, Gualillo O. Adipokines as potential pharmacological targets for immune inflammatory rheumatic diseases: Focus on rheumatoid arthritis, osteoarthritis, and intervertebral disc degeneration. Pharmacol Res 2024; 205:107219. [PMID: 38763327 DOI: 10.1016/j.phrs.2024.107219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/16/2024] [Accepted: 05/16/2024] [Indexed: 05/21/2024]
Abstract
Adipokines are a heterogeneous group of signalling molecules secreted prevalently by adipose tissue. Initially considered as regulators of energy metabolism and appetite, adipokines have been recognized for their substantial involvement in musculoskeletal disorders, including osteoarthritis, rheumatoid arthritis, and many others. Understanding the role of adipokines in rheumatic inflammatory and autoimmune diseases, as well as in other musculoskeletal diseases such as intervertebral disc degeneration, is crucial for the development of novel therapeutic strategies. Targeting adipokines, or their signalling pathways, may offer new opportunities for the treatment and management of these conditions. By modulating adipokines levels or activity, it may be possible to regulate inflammation, to maintain bone health, and preserve muscle mass, thereby improving the outcomes and quality of life for individuals affected by musculoskeletal diseases. The aim of this review article is to update the reader on the multifaceted role of adipokines in the main rheumatic diseases such as osteoarthritis and rheumatoid arthritis and to unravel the complex interplay among adipokines, cartilage metabolism, bone remodelling and muscles, which will pave the way for innovative therapeutic intervention in the future. For completeness, the role of adipokines in intervertebral disc degeneration will be also addressed.
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Affiliation(s)
- Yousof Farrag
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana SIN, Santiago de Compostela 15706, Spain.
| | - Mariam Farrag
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana SIN, Santiago de Compostela 15706, Spain.
| | - María Varela-García
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana SIN, Santiago de Compostela 15706, Spain.
| | - Carlos Torrijos-Pulpón
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana SIN, Santiago de Compostela 15706, Spain.
| | - Maurizio Capuozzo
- Pharmaceutical Department, ASL-Napoli-3 Sud, Via Marittima 3, Ercolano 80056, Italy.
| | - Alessando Ottaiano
- Istituto Nazionale Tumori di Napoli, IRCCS "G. Pascale", Via M. Semmola, Naples 80131, Italy.
| | - Francisca Lago
- Molecular and Cellular Cardiology Group, SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Research Laboratory 7, Santiago University Clinical Hospital, Santiago de Compostela 15706, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain.
| | - Antonio Mera
- SERGAS, Servizo Galego de Saude, Santiago University Clinical Hospital, Division of Rheumatology, Santiago de Compostela 15706, Spain.
| | - Jesus Pino
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana SIN, Santiago de Compostela 15706, Spain; International PhD School, University of Santiago de Compostela (EDIUS), Santiago de Compostela 15706, Spain; University of Santiago de Compostela, Department of Surgery and Medical Surgical Specialties, Santiago University Clinical Hospital, Trav. Choupana s/n, 15706, Santiago de Compostela, Spain.
| | - Oreste Gualillo
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana SIN, Santiago de Compostela 15706, Spain; International PhD School, University of Santiago de Compostela (EDIUS), Santiago de Compostela 15706, Spain.
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Huang Z, Liu C, Zheng G, Zhang L, Zhong Q, Zhang Y, Zhao W, Qi Y. Articular Cartilage Regeneration via Induced Chondrocyte Autophagy by Sustained Release of Leptin Inhibitor from Thermo-Sensitive Hydrogel through STAT3/REDD1/mTORC1 Cascade. Adv Healthc Mater 2023; 12:e2302181. [PMID: 37673039 DOI: 10.1002/adhm.202302181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/03/2023] [Indexed: 09/08/2023]
Abstract
The pathophysiology of osteoarthritis (OA) is closely linked to autophagy abnormalities in articular chondrocytes, the sole mature cell type in healthy cartilage. Nevertheless, the precise molecular mechanism remains uncertain. Previous research has demonstrated that leptin activates mTORC1 , thereby inhibiting chondrocyte autophagy during the progression of OA. In this study, it is demonstrated that the presence of leptin induces a substantial increase in the expression of STAT3, leading to a notable decrease in REDD1 expression and subsequent phosphorylation of p70S6K, a recognized downstream effector of mTORC1. Conversely, inhibition of leptin yields contrasting effects. Additionally, the potential advantages of utilizing a sustained intra-articular release of a leptin inhibitor (LI) via an injectable, thermosensitive poly(D,L-lactide)-poly(ethylene glycol)-poly(D,L-lactide) (PDLLA-PEG-PDLLA: PLEL) hydrogel delivery system for the purpose of investigating its impact on cartilage repair are explored. The study conducted on LI-loaded PLEL (PLEL@LI) demonstrates remarkable efficacy in inhibiting OA and displays encouraging therapeutic advantages in the restoration of subchondral bone and cartilage. These findings establish a solid foundation for the advancement of a pioneering treatment approach utilizing PLEL@LI for OA.
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Affiliation(s)
- Zhongming Huang
- Ganzhou Municipal Key Laboratory of Bone and Joint Research, The Affiliated Ganzhou Hospital of Nanchang University, Ganzhou, 341000, China
| | - Chen Liu
- Ganzhou Municipal Key Laboratory of Bone and Joint Research, The Affiliated Ganzhou Hospital of Nanchang University, Ganzhou, 341000, China
| | - Guangping Zheng
- Ganzhou Municipal Key Laboratory of Bone and Joint Research, The Affiliated Ganzhou Hospital of Nanchang University, Ganzhou, 341000, China
| | - Liang Zhang
- Research Center of Translational Medicine, Jinan Central Hospital Affiliated to Shandong First Medical University, Jinan, 250013, China
| | - Qiang Zhong
- Ganzhou Municipal Key Laboratory of Bone and Joint Research, The Affiliated Ganzhou Hospital of Nanchang University, Ganzhou, 341000, China
| | - Yun Zhang
- Ganzhou Municipal Key Laboratory of Bone and Joint Research, The Affiliated Ganzhou Hospital of Nanchang University, Ganzhou, 341000, China
| | - Weicheng Zhao
- Ganzhou Municipal Key Laboratory of Bone and Joint Research, The Affiliated Ganzhou Hospital of Nanchang University, Ganzhou, 341000, China
| | - Yiying Qi
- Department of Orthopedics, Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310013, China
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Bilski J, Schramm-Luc A, Szczepanik M, Mazur-Biały AI, Bonior J, Luc K, Zawojska K, Szklarczyk J. Adipokines in Rheumatoid Arthritis: Emerging Biomarkers and Therapeutic Targets. Biomedicines 2023; 11:2998. [PMID: 38001998 PMCID: PMC10669400 DOI: 10.3390/biomedicines11112998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 11/05/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease manifested by joint involvement, extra-articular manifestations, and general symptoms. Adipose tissue, previously perceived as an inert energy storage organ, has been recognised as a significant contributor to RA pathophysiology. Adipokines modulate immune responses, inflammation, and metabolic pathways in RA. Although most adipokines have a pro-inflammatory and aggravating effect on RA, some could counteract this pathological process. The coexistence of RA and sarcopenic obesity (SO) has gained attention due to its impact on disease severity and outcomes. Sarcopenic obesity further contributes to the inflammatory milieu and metabolic disturbances. Recent research has highlighted the intricate crosstalk between adipose tissue and skeletal muscle, suggesting potential interactions between these tissues in RA. This review summarizes the roles of adipokines in RA, particularly in inflammation, immune modulation, and joint destruction. In addition, it explores the emerging role of adipomyokines, specifically irisin and myostatin, in the pathogenesis of RA and their potential as therapeutic targets. We discuss the therapeutic implications of targeting adipokines and adipomyokines in RA management and highlight the challenges and future directions for research in this field.
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Affiliation(s)
- Jan Bilski
- Department of Biomechanics and Kinesiology, Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-008 Krakow, Poland; (A.I.M.-B.); (K.Z.)
| | - Agata Schramm-Luc
- Department of Internal and Agricultural Medicine, Faculty of Medicine, Jagiellonian University Medical College, 31-121 Krakow, Poland; (A.S.-L.); (K.L.)
| | - Marian Szczepanik
- Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-034 Krakow, Poland;
| | - Agnieszka Irena Mazur-Biały
- Department of Biomechanics and Kinesiology, Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-008 Krakow, Poland; (A.I.M.-B.); (K.Z.)
| | - Joanna Bonior
- Department of Medical Physiology, Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-126 Krakow, Poland; (J.B.); (J.S.)
| | - Kevin Luc
- Department of Internal and Agricultural Medicine, Faculty of Medicine, Jagiellonian University Medical College, 31-121 Krakow, Poland; (A.S.-L.); (K.L.)
| | - Klaudia Zawojska
- Department of Biomechanics and Kinesiology, Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-008 Krakow, Poland; (A.I.M.-B.); (K.Z.)
| | - Joanna Szklarczyk
- Department of Medical Physiology, Chair of Biomedical Sciences, Institute of Physiotherapy, Faculty of Health Sciences, Jagiellonian University Medical College, 31-126 Krakow, Poland; (J.B.); (J.S.)
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Sampath SJP, Venkatesan V, Ghosh S, Kotikalapudi N. Obesity, Metabolic Syndrome, and Osteoarthritis-An Updated Review. Curr Obes Rep 2023; 12:308-331. [PMID: 37578613 DOI: 10.1007/s13679-023-00520-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/07/2023] [Indexed: 08/15/2023]
Abstract
PURPOSE OF REVIEW Metabolic syndrome (MetS), also called the 'deadly quartet' comprising obesity, diabetes, dyslipidemia, and hypertension, has been ascertained to have a causal role in the pathogenesis of osteoarthritis (OA). This review is aimed at discussing the current knowledge on the contribution of metabolic syndrome and its various components to OA pathogenesis and progression. RECENT FINDINGS Lately, an increased association identified between the various components of metabolic syndrome (obesity, diabetes, dyslipidemia, and hypertension) with OA has led to the identification of the 'metabolic phenotype' of OA. These metabolic perturbations alongside low-grade systemic inflammation have been identified to inflict detrimental effects upon multiple tissues of the joint including cartilage, bone, and synovium leading to complete joint failure in OA. Recent epidemiological and clinical findings affirm that adipokines significantly contribute to inflammation, tissue degradation, and OA pathogenesis mediated through multiple signaling pathways. OA is no longer perceived as just a 'wear and tear' disease and the involvement of the metabolic components in OA pathogenesis adds up to the complexity of the disease. Given the global surge in obesity and its allied metabolic perturbations, this review aims to throw light on the current knowledge on the pathophysiology of MetS-associated OA and the need to address MetS in the context of metabolic OA management. Better regulation of the constituent factors of MetS could be profitable in preventing MetS-associated OA. The identification of key roles for several metabolic regulators in OA pathogenesis has also opened up newer avenues in the recognition and development of novel therapeutic agents.
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Affiliation(s)
- Samuel Joshua Pragasam Sampath
- Department of Biotechnology, Faculty of Science & Humanities, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu District, Tamil Nadu, 603203, India.
- Molecular Biology Division, Indian Council of Medical Research - National Institute of Nutrition, Hyderabad, Telangana, 500007, India.
| | | | - Sudip Ghosh
- Molecular Biology Division, Indian Council of Medical Research - National Institute of Nutrition, Hyderabad, Telangana, 500007, India
| | - Nagasuryaprasad Kotikalapudi
- Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School Teaching Hospital, Boston, MA, 02115, USA
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Liu Z, Wang T, Sun X, Nie M. Autophagy and apoptosis: regulatory factors of chondrocyte phenotype transition in osteoarthritis. Hum Cell 2023:10.1007/s13577-023-00926-2. [PMID: 37277675 DOI: 10.1007/s13577-023-00926-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 05/25/2023] [Indexed: 06/07/2023]
Abstract
Osteoarthritis (OA) is the main pathogenic factor in diseases that cause joint deformities. As the main manifestation of the progress of OA, cartilage degradation has been closely associated with the degeneration of chondrocytes, which is induced by inflammatory factors and other trauma factors. Autophagy and apoptosis are the main mechanisms for cells to maintain homeostasis and play crucial roles in OA. Under the influence of external environmental factors (such as aging and injury), the metabolism of cells can be altered, which may affect the extent of autophagy and apoptosis. With the progression of OA, these changes can alter the cell phenotypes, and the cells of different phenotypes display distinct differences in morphology and function. In this review, we have summarized the alteration in cell metabolism, autophagy, and the extent of apoptosis during OA progression and its effects on the cell phenotypes to provide new ideas for further research on the mechanisms of phenotypic transition and therapeutic strategies so as to reverse the cell phenotypes.
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Affiliation(s)
- Zhibo Liu
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing, People's Republic of China
| | - Ting Wang
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing, People's Republic of China
| | - Xianding Sun
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing, People's Republic of China.
| | - Mao Nie
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, 76 Linjiang Road, Yuzhong District, Chongqing, People's Republic of China.
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Sobieh BH, El-Mesallamy HO, Kassem DH. Beyond mechanical loading: The metabolic contribution of obesity in osteoarthritis unveils novel therapeutic targets. Heliyon 2023; 9:e15700. [PMID: 37180899 PMCID: PMC10172930 DOI: 10.1016/j.heliyon.2023.e15700] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 04/17/2023] [Accepted: 04/19/2023] [Indexed: 05/16/2023] Open
Abstract
Osteoarthritis (OA) is a prevalent progressive disease that frequently coexists with obesity. For several decades, OA was thought to be the result of ageing and mechanical stress on cartilage. Researchers' perspective has been greatly transformed when cumulative findings emphasized the role of adipose tissue in the diseases. Nowadays, the metabolic effect of obesity on cartilage tissue has become an integral part of obesity research; hoping to discover a disease-modifying drug for OA. Recently, several adipokines have been reported to be associated with OA. Particularly, metrnl (meteorin-like) and retinol-binding protein 4 (RBP4) have been recognized as emerging adipokines that can mediate OA pathogenesis. Accordingly, in this review, we will summarize the latest findings concerned with the metabolic contribution of obesity in OA pathogenesis, with particular emphasis on dyslipidemia, insulin resistance and adipokines. Additionally, we will discuss the most recent adipokines that have been reported to play a role in this context. Careful consideration of these molecular mechanisms interrelated with obesity and OA will undoubtedly unveil new avenues for OA treatment.
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Affiliation(s)
- Basma H. Sobieh
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Hala O. El-Mesallamy
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
- Faculty of Pharmacy, Sinai University, Sinai, Egypt
| | - Dina H. Kassem
- Biochemistry Department, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
- Corresponding author. Associate Professor of Biochemistry Department of Biochemistry, Faculty of Pharmacy, Ain Shams University, street of African Union Organization, 11566, Cairo, Egypt.
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Mourmoura E, Papathanasiou I, Trachana V, Konteles V, Tsoumpou A, Goutas A, Papageorgiou AA, Stefanou N, Tsezou A. Leptin-depended NLRP3 inflammasome activation in osteoarthritic chondrocytes is mediated by ROS. Mech Ageing Dev 2022; 208:111730. [PMID: 36087742 DOI: 10.1016/j.mad.2022.111730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 09/01/2022] [Accepted: 09/05/2022] [Indexed: 12/30/2022]
Abstract
Leptin and ROS are implicated in the regulation of inflammatory pathways including NLRP3-inflammasome. We investigated the functional link between leptin, ROS and NLRP3-inflammasome formation/activation in osteoarthritis (OA), an age-related disease. We found that inflammasome components' (NLRP3, ASC, Caspase-1 and cleaved Caspase-1) protein expression were increased in OA cartilage biopsies and chondrocytes compared to healthy cartilage and chondrocytes. Immunofluorescence showed increased co-localization of NLRP3/ASC and NLRP3/Caspase-1, ASC-specks formation and ROS levels in OA compared to normal chondrocytes. NOX4 mRNA expression and IL-1β/IL-18 secretion levels were also elevated in OA chondrocytes. Furthermore, NLRP3-siRNA in OA chondrocytes revealed significant MMP-9/MMP-13 downregulation. To elucidate leptin/ROS/NLRP3-inflammasome interactions, OA chondrocytes were treated with ROS-inhibitor NAC, NOXs-inhibitor DPI, NOX4-inhibitor GLX351322 and leptin-siRNA, while normal chondrocytes were incubated with leptin with or without DPI or GLX351322. We observed attenuated ROS levels and NLRP3-inflammasome formation/activation in NAC-, DPI- or GLX351322-treated OA chondrocytes, while the same effect was shown after transfection with leptin-siRNA. Furthermore, incubation of normal chondrocytes with leptin enhanced ROS production and inflammasome formation/activation, while pretreatment with DPI or GLX351322 abolished leptin's stimulatory effects confirming leptin-NOX4-ROS-inflammasome regulatory axis. Overall, our findings provide novel evidence indicating that leptin-induced NLRP3-inflammasome formation/activation in OA chondrocytes is mediated by NOX4-dependent ROS production.
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Affiliation(s)
- Evanthia Mourmoura
- Laboratory of Cytogenetics and Molecular Genetics, Faculty of Medicine, University of Thessaly, Larissa, Greece
| | - Ioanna Papathanasiou
- Department of Biology, Faculty of Medicine, University of Thessaly, Larissa, Greece
| | - Varvara Trachana
- Department of Biology, Faculty of Medicine, University of Thessaly, Larissa, Greece
| | - Vasilis Konteles
- Laboratory of Cytogenetics and Molecular Genetics, Faculty of Medicine, University of Thessaly, Larissa, Greece
| | - Alexandra Tsoumpou
- Laboratory of Cytogenetics and Molecular Genetics, Faculty of Medicine, University of Thessaly, Larissa, Greece
| | - Andreas Goutas
- Department of Biology, Faculty of Medicine, University of Thessaly, Larissa, Greece
| | | | - Nikolaos Stefanou
- Department of Orthopaedics, Faculty of Medicine, University of Thessaly, Larissa, Greece
| | - Aspasia Tsezou
- Laboratory of Cytogenetics and Molecular Genetics, Faculty of Medicine, University of Thessaly, Larissa, Greece.
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Tang J, Song X, Zhao M, Chen H, Wang Y, Zhao B, Yu S, Ma T, Gao L. Oral administration of live combined Bacillus subtilis and Enterococcus faecium alleviates colonic oxidative stress and inflammation in osteoarthritic rats by improving fecal microbiome metabolism and enhancing the colonic barrier. Front Microbiol 2022; 13:1005842. [PMID: 36439850 PMCID: PMC9686382 DOI: 10.3389/fmicb.2022.1005842] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 09/30/2022] [Indexed: 10/02/2023] Open
Abstract
Osteoarthritis (OA) causes intestinal damage. The protective effect of probiotics on the intestine is indeed effective; however, the mechanism of protection against intestinal damage in OA is not clear. In this study, we used meniscal/ligamentous injury (MLI) to mimic OA in rats and explored the colonic protective effects of Bacillus subtilis and Enterococcus faecium on OA. Our study showed that treatment with B. subtilis and E. faecium attenuated colonic injury and reduced inflammatory and oxidative stress factors in the serum of osteoarthritic rats. α- and ß diversity of the fecal flora were not different among groups; no significant differences were observed in the abundances of taxa at the phylum and genus levels. We observed the presence of the depression-related genera Alistipes and Paraprevotella. Analysis of fecal untargeted metabolism revealed that histamine level was significantly reduced in the colon of OA rats, affecting intestinal function. Compared to that in the control group, the enriched metabolic pathways in the OA group were primarily for energy metabolisms, such as pantothenate and CoA biosynthesis, and beta-alanine metabolism. The treatment group had enriched linoleic acid metabolism, fatty acid biosynthesis, and primary bile acid biosynthesis, which were different from those in the control group. The differences in the metabolic pathways between the treatment and OA groups were more evident, primarily in symptom-related metabolic pathways such as Huntington's disease, spinocerebellar ataxia, energy-related central carbon metabolism in cancer, pantothenate and CoA biosynthesis metabolic pathways, as well as some neurotransmission and amino acid transport, and uptake- and synthesis-related metabolic pathways. On further investigation, we found that B. subtilis and E. faecium treatment enhanced the colonic barrier of OA rats, with elevated expressions of tight junction proteins occludin and Zonula occludens 1 and MUC2 mRNA. Intestinal permeability was reduced, and serum LPS levels were downregulated in the treatment group. B. subtilis and E. faecium also regulated the oxidative stress pathway Keap1/Nrf2, promoted the expression of the downstream protective proteins HO-1 and Gpx4, and reduced intestinal apoptosis. Hence, B. subtilis and E. faecium alleviate colonic oxidative stress and inflammation in OA rats by improving fecal metabolism and enhancing the colonic barrier.
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Affiliation(s)
- Jilang Tang
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Harbin, China
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Xiaopeng Song
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Harbin, China
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Mingchao Zhao
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Harbin, China
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Hong Chen
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Harbin, China
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Yingying Wang
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Harbin, China
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Binger Zhao
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Harbin, China
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Shiming Yu
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Harbin, China
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Tianwen Ma
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Harbin, China
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
| | - Li Gao
- Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Harbin, China
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, China
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González-Rodríguez M, Ruiz-Fernández C, Cordero-Barreal A, Ait Eldjoudi D, Pino J, Farrag Y, Gualillo O. Adipokines as targets in musculoskeletal immune and inflammatory diseases. Drug Discov Today 2022; 27:103352. [PMID: 36099964 DOI: 10.1016/j.drudis.2022.103352] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 07/28/2022] [Accepted: 09/06/2022] [Indexed: 11/21/2022]
Abstract
Adipokines are the principal mediators in adipose signaling. Nevertheless, besides their role in energy storage, these molecules can be produced by other cells, such as immune cells or chondrocytes. Given their pleiotropic effects, research over the past few years has also focused on musculoskeletal diseases, showing that these adipokines might have relevant roles in worsening the disease or improving the treatment response. In this review, we summarize recent advances in our understanding of adipokines and their role in the most prevalent musculoskeletal immune and inflammatory disorders.
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Affiliation(s)
- María González-Rodríguez
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain; International PhD School of the University of Santiago de Compostela (EDIUS), Doctoral Programme in Drug Research and Development, Santiago de Compostela, Spain
| | - Clara Ruiz-Fernández
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain; International PhD School of the University of Santiago de Compostela (EDIUS), Doctoral Programme in Medicine Clinical Research, Santiago de Compostela, Spain
| | - Alfonso Cordero-Barreal
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain; International PhD School of the University of Santiago de Compostela (EDIUS), Doctoral Programme in Molecular Medicine, Santiago de Compostela, Spain
| | - Djedjiga Ait Eldjoudi
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Jesus Pino
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain; Departamento de Cirurgía y Especialidades Médico-Cirúrgicas Área de Traumatología e Ortopedia, Universidade de Santiago de Compostela, Santiago de Compostela, Spain.
| | - Yousof Farrag
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain.
| | - Oreste Gualillo
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain.
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11
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Wang Y, Zhao H, Jia S, Wang Q, Yao W, Yang Y, Bai L. Senomorphic agent pterostilbene ameliorates osteoarthritis through the PI3K/AKT/NF-κB axis: an in vitro and in vivo study. Am J Transl Res 2022; 14:5243-5262. [PMID: 36105068 PMCID: PMC9452324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 07/13/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVES Osteoarthritis (OA) is the most common joint disease in the world. Among the many risk factors for OA, aging is one of the most critical factors. The treatment with senop-associated secretory phenotype (SASP) is one of the important, promising anti-aging strategies at present. Pterostilbene (PTE) is a trans-stilbene compound with anti-tumor, anti-oxidation, anti-inflammatory, and anti-aging pharmacologic activities. The purpose of this study is to explore the therapeutic effects of PTE on articular chondrocyte senescence and OA and its related mechanisms. METHODS Male Sprague-Dawley rats were operated on with transection of the anterior cruciate ligament (ACLT) and a destabilized medial meniscus (DMM) surgery to establish the OA model and then injected intraperitoneally with PTE (20 mg/kg) for 5 weeks. Finally, rats were sacrificed and knee joints were collected for histologic analysis. Rat chondrocytes were stimulated with interleukin-1β (IL-1β) with or without PTE treatment. The therapeutic effects of PTE and related mechanisms were investigated by examining and analyzing relative markers through senescence-associated β-galactosidase (SA-β-Gal) assay, cell cycle, qRT-PCR, western blot, bioinformatic analysis, immunofluorescence, and molecular modeling. RESULTS With in vivo experiments, PTE can significantly reduce the Mankin scores and OARSI scores of the knee joint in ACLT+DMM OA model rats and reduce the interleukin-6 (IL-6) level in the knee lavage fluid. Immunohistochemical staining showed that compared to the OA group, the PTE treatment group had significantly increased expression of collagen type II in articular cartilage, and significantly decreased matrix metalloproteinase 13 (MMP-13) and IL-6, the main SASP proteins, and had expression of p16 and p21, markers of aging in chondrocytes. In vitro, PTE reduced the ratio of SA-β-Gal positive chondrocytes and G0-G1 phase chondrocytes in IL-1β-induced rat chondrocytes. PTE significantly inhibited the expression of MMP-13, IL-6, thrombospondin motif 5 (ADAMTS5), p16, and p21, and significantly increased the expression of collagen type II. Bioassay and subsequent western blot showed that PTE significantly inhibited the activation of PI3K/AKT and NF-κB signaling pathways. The results of molecular docking experiments showed that PTE could bind closely to the sites of PI3K protein, thereby inhibiting the phosphorylation of PI3K. CONCLUSIONS The experimental results indicate that PTE plays an anti-chondrocyte senescence role in the treatment of OA by inhibiting the PI3K/AKT/NF-κB signaling pathway and reducing expression of SASP.
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Affiliation(s)
- Yu Wang
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical UniversityShenyang 110004, Liaoning, PR China
- Department of Orthopedics Surgery, Affiliated Hospital of Chengde Medical College36 Nanyingzi Street, Shuangqiao District, Chengde 067000, Hebei, PR China
| | - Huai Zhao
- Department of General Surgery, Shengjing Hospital Affiliated China Medical UniversityShenyang 110004, Liaoning PR China
| | - Shuangshuo Jia
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical UniversityShenyang 110004, Liaoning, PR China
| | - Qian Wang
- Department of Orthopedics Surgery, Affiliated Hospital of Chengde Medical College36 Nanyingzi Street, Shuangqiao District, Chengde 067000, Hebei, PR China
| | - Wuyi Yao
- Department of Orthopedics Surgery, Affiliated Hospital of Chengde Medical College36 Nanyingzi Street, Shuangqiao District, Chengde 067000, Hebei, PR China
| | - Yue Yang
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical UniversityShenyang 110004, Liaoning, PR China
| | - Lunhao Bai
- Department of Orthopedic Surgery, Shengjing Hospital Affiliated China Medical UniversityShenyang 110004, Liaoning, PR China
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12
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Ait Eldjoudi D, Cordero Barreal A, Gonzalez-Rodríguez M, Ruiz-Fernández C, Farrag Y, Farrag M, Lago F, Capuozzo M, Gonzalez-Gay MA, Mera Varela A, Pino J, Gualillo O. Leptin in Osteoarthritis and Rheumatoid Arthritis: Player or Bystander? Int J Mol Sci 2022; 23:ijms23052859. [PMID: 35270000 PMCID: PMC8911522 DOI: 10.3390/ijms23052859] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 02/28/2022] [Accepted: 03/03/2022] [Indexed: 12/10/2022] Open
Abstract
White adipose tissue (WAT) is a specialized tissue whose main function is lipid synthesis and triglyceride storage. It is now considered as an active organ secreting a plethora of hormones and cytokines namely adipokines. Discovered in 1994, leptin has emerged as a key molecule with pleiotropic functions. It is primarily recognized for its role in regulating energy homeostasis and food intake. Currently, further evidence suggests its potent role in reproduction, glucose metabolism, hematopoiesis, and interaction with the immune system. It is implicated in both innate and adaptive immunity, and it is reported to contribute, with other adipokines, in the cross-talking networks involved in the pathogenesis of chronic inflammation and immune-related diseases of the musculo-skeletal system such as osteoarthritis (OA) and rheumatoid arthritis (RA). In this review, we summarize the most recent findings concerning the involvement of leptin in immunity and inflammatory responses in OA and RA.
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Affiliation(s)
- Djedjiga Ait Eldjoudi
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain; (D.A.E.); (A.C.B.); (M.G.-R.); (C.R.-F.); (Y.F.); (M.F.); (J.P.)
| | - Alfonso Cordero Barreal
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain; (D.A.E.); (A.C.B.); (M.G.-R.); (C.R.-F.); (Y.F.); (M.F.); (J.P.)
- International PhD School, University of Santiago de Compostela (EDIUS), 15706 Santiago de Compostela, Spain
| | - María Gonzalez-Rodríguez
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain; (D.A.E.); (A.C.B.); (M.G.-R.); (C.R.-F.); (Y.F.); (M.F.); (J.P.)
- International PhD School, University of Santiago de Compostela (EDIUS), 15706 Santiago de Compostela, Spain
| | - Clara Ruiz-Fernández
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain; (D.A.E.); (A.C.B.); (M.G.-R.); (C.R.-F.); (Y.F.); (M.F.); (J.P.)
- International PhD School, University of Santiago de Compostela (EDIUS), 15706 Santiago de Compostela, Spain
| | - Yousof Farrag
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain; (D.A.E.); (A.C.B.); (M.G.-R.); (C.R.-F.); (Y.F.); (M.F.); (J.P.)
| | - Mariam Farrag
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain; (D.A.E.); (A.C.B.); (M.G.-R.); (C.R.-F.); (Y.F.); (M.F.); (J.P.)
| | - Francisca Lago
- Molecular and Cellular Cardiology Group, SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Research Laboratory 7, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain;
| | - Maurizio Capuozzo
- National Health Service, Local Health Authority ASL 3 Napoli Sud, Department of Pharmacy, Ercolano, 80056 Naples, Italy;
| | - Miguel Angel Gonzalez-Gay
- Hospital Universitario Marqués de Valdecilla, Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, IDIVAL, University of Cantabria, Avenida de Valdecilla s/n, 39011 Santander, Spain;
| | - Antonio Mera Varela
- SERGAS, Servizo Galego de Saude, Santiago University Clinical Hospital, Division of Rheumatology, 15706 Santiago de Compostela, Spain;
| | - Jesús Pino
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain; (D.A.E.); (A.C.B.); (M.G.-R.); (C.R.-F.); (Y.F.); (M.F.); (J.P.)
| | - Oreste Gualillo
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain; (D.A.E.); (A.C.B.); (M.G.-R.); (C.R.-F.); (Y.F.); (M.F.); (J.P.)
- Correspondence:
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13
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Leptin Induced TLR4 Expression via the JAK2-STAT3 Pathway in Obesity-Related Osteoarthritis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:7385160. [PMID: 34457118 PMCID: PMC8387187 DOI: 10.1155/2021/7385160] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Accepted: 07/21/2021] [Indexed: 02/03/2023]
Abstract
Obesity is considered as a risk factor of osteoarthritis (OA), but the precise relationship is still poorly understood. Leptin, one of the most relevant factors secreted by adipose tissues, plays an important role in the pathogenesis of OA. Our aim was to investigate the regulation and molecular mechanism of the leptin signaling pathway in obesity-related OA. SD rats were fed with a high-fat diet (HFD) for 5, 15, and 27 weeks. The levels of leptin in serum increased from W5, while in the synovial fluid increased from W15. The histological evaluation showed that the pathological changes of OA occurred at 27 weeks rather than 5 or 15 weeks. We also found that leptin induced CD14/TLR4 activation by the JAK2-STAT3 signaling pathway to promote OA. Moreover, silencing SOCS3 enhanced leptin-induced JAK2-STAT3-CD14/TLR4 activation in rat primary chondrocytes. Our findings indicated that leptin may be one of the initiating factors of obesity-related OA. TLR4 is at least partially regulated by leptin through the JAK2-STAT3-CD14 pathway. Meanwhile, SOCS3 acting as a negative feedback inhibitor of leptin signaling presented a potential therapeutic prospect for obesity-related OA. Our study provided new evidence suggesting the key role of leptin in mediating obesity-related OA process and its underlying mechanisms.
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14
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Chen CH, Kang L, Chang LH, Cheng TL, Lin SY, Wu SC, Lin YS, Chuang SC, Lee TC, Chang JK, Ho ML. Intra-articular low-dose parathyroid hormone (1-34) improves mobility and articular cartilage quality in a preclinical age-related knee osteoarthritis model. Bone Joint Res 2021; 10:514-525. [PMID: 34387115 PMCID: PMC8414442 DOI: 10.1302/2046-3758.108.bjr-2020-0165.r2] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Aims Osteoarthritis (OA) is prevalent among the elderly and incurable. Intra-articular parathyroid hormone (PTH) ameliorated OA in papain-induced and anterior cruciate ligament transection-induced OA models; therefore, we hypothesized that PTH improved OA in a preclinical age-related OA model. Methods Guinea pigs aged between six and seven months of age were randomized into control or treatment groups. Three- or four-month-old guinea pigs served as the young control group. The knees were administered 40 μl intra-articular injections of 10 nM PTH or vehicle once a week for three months. Their endurance as determined from time on the treadmill was evaluated before kill. Their tibial plateaus were analyzed using microcalculated tomography (μCT) and histological studies. Results PTH increased the endurance on the treadmill test, preserved glycosaminoglycans, and reduced Osteoarthritis Research Society International score and chondrocyte apoptosis rate. No difference was observed in the subchondral plate bone density or metaphyseal trabecular bone volume and bone morphogenetic 2 protein staining. Conclusion Subchondral bone is crucial in the initiation and progression of OA. Although previous studies have shown that subcutaneous PTH alleviates knee OA by improving subchondral and metaphyseal bone mass, we demonstrated that intra-articular PTH injections improved spontaneous OA by directly affecting the cartilage rather than the subchondral or metaphyseal bone in a preclinical age-related OA model. Cite this article: Bone Joint Res 2021;10(8):514–525.
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Affiliation(s)
- Chung-Hwan Chen
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung, Taiwan.,Department of Healthcare Administration and Medical Informatics, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Division of Adult Reconstruction Surgery, Department of Orthopedics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Orthopedics, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Lin Kang
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Ling-Hua Chang
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Tsung-Lin Cheng
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Physiology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Sung-Yen Lin
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Division of Adult Reconstruction Surgery, Department of Orthopedics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Orthopedics, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Shun-Cheng Wu
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yi-Shan Lin
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Shu-Chun Chuang
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Tien-Ching Lee
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Division of Adult Reconstruction Surgery, Department of Orthopedics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Orthopedics, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Je-Ken Chang
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Division of Adult Reconstruction Surgery, Department of Orthopedics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Orthopedics, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Mei-Ling Ho
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,Regeneration Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Physiology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan.,Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
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15
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Binder H, Hoffman L, Zak L, Tiefenboeck T, Aldrian S, Albrecht C. Clinical evaluation after matrix-associated autologous chondrocyte transplantation : a comparison of four different graft types. Bone Joint Res 2021; 10:370-379. [PMID: 34189928 PMCID: PMC8333036 DOI: 10.1302/2046-3758.107.bjr-2020-0370.r1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Aims The aim of this retrospective study was to determine if there are differences in short-term clinical outcomes among four different types of matrix-associated autologous chondrocyte transplantation (MACT). Methods A total of 88 patients (mean age 34 years (SD 10.03), mean BMI 25 kg/m2 (SD 3.51)) with full-thickness chondral lesions of the tibiofemoral joint who underwent MACT were included in this study. Clinical examinations were performed preoperatively and 24 months after transplantation. Clinical outcomes were evaluated using the International Knee Documentation Committee (IKDC) Subjective Knee Form, the Brittberg score, the Tegner Activity Scale, and the visual analogue scale (VAS) for pain. The Kruskal-Wallis test by ranks was used to compare the clinical scores of the different transplant types. Results The mean defect size of the tibiofemoral joint compartment was 4.28 cm2 (SD 1.70). In total, 11 patients (12.6%) underwent transplantation with Chondro-Gide (matrix-associated autologous chondrocyte implantation (MACI)), 40 patients (46.0%) with Hyalograft C (HYAFF), 21 patients (24.1%) with Cartilage Regeneration System (CaReS), and 15 patients (17.2%) with NOVOCART 3D. The mean IKDC Subjective Knee Form score improved from 35.71 (SD 6.44) preoperatively to 75.26 (SD 18.36) after 24 months postoperatively in the Hyalograft group, from 35.94 (SD 10.29) to 71.57 (SD 16.31) in the Chondro-Gide (MACI) group, from 37.06 (SD 5.42) to 71.49 (SD 6.76) in the NOVOCART 3D group, and from 45.05 (SD 15.83) to 70.33 (SD 19.65) in the CaReS group. Similar improvements were observed in the VAS and Brittberg scores. Conclusion Two years postoperatively, there were no significant differences in terms of outcomes. Our data demonstrated that MACT, regardless of the implants used, resulted in good clinical improvement two years after transplantation for localized tibiofemoral defects. Cite this article: Bone Joint Res 2021;10(7):370–379.
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Affiliation(s)
- Harald Binder
- Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Lukas Hoffman
- First Orthopedic Department, Orthopedic Hospital Vienna Speising, Vienna, Austria
| | - Lukas Zak
- Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Thomas Tiefenboeck
- Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Silke Aldrian
- Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria
| | - Christian Albrecht
- Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Vienna, Austria.,First Orthopedic Department, Orthopedic Hospital Vienna Speising, Vienna, Austria
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16
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Liu Z, Wang H, Wang S, Gao J, Niu L. PARP-1 inhibition attenuates the inflammatory response in the cartilage of a rat model of osteoarthritis. Bone Joint Res 2021; 10:401-410. [PMID: 34254815 PMCID: PMC8333032 DOI: 10.1302/2046-3758.107.bjr-2020-0200.r2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Aims Poly (ADP-ribose) polymerase (PARP) inhibitor has been reported to attenuate inflammatory response in rat models of inflammation. This study was designed to investigate the effect of PARP signalling in osteoarthritis (OA) cartilage inflammatory response in an OA rat model. Methods The OA model was established by anterior cruciate ligament transection with medial meniscectomy in Wistar rats. The poly (ADP-ribose) polymerase 1 (PARP-1) shRNA (short hairpin (sh)-PARP-1) and negative control shRNA (sh-NC) were delivered using a lentiviral vector and were intra-articularly injected into rats after surgery. The weight-bearing distribution of the hind limbs and the knee joint width were measured every two weeks. The expression levels of PARP-1, inducible nitric oxide synthase (iNOS), and cyclooxygenase-2 (COX-2) in cartilage were determined using real-time quantitative reverse transcription polymerase chain reaction (RT-qPCR) and Western blot. The serum concentrations of inflammatory cytokines were detected using enzyme-linked immunosorbent assay (ELISA). Results PARP-1 expression level significantly increased in the cartilage of the established OA rat model. sh-PARP-1 treatment suppressed PARP-1 levels, decreased the Δ Force (the difference between the weight on ipsilateral limb and contralateral limb) and the knee joint width, inhibited cartilage matrix catabolic enzymes, and ameliorated OA cartilage degradation and attenuated inflammatory response. Conclusion PARP-1 inhibition attenuates OA cartilage inflammatory response in the OA rat model. Cite this article: Bone Joint Res 2021;10(7):401–410.
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Affiliation(s)
- Zili Liu
- Department of Microscopic Orthopedics, The Hefei Second People's Hospital & Hefei Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Honglin Wang
- Department of Microscopic Orthopedics, The Hefei Second People's Hospital & Hefei Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Shaoqian Wang
- Department of Microscopic Orthopedics, The Hefei Second People's Hospital & Hefei Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jie Gao
- Department of Microscopic Orthopedics, The Hefei Second People's Hospital & Hefei Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Lei Niu
- Department of Microscopic Orthopedics, The Hefei Second People's Hospital & Hefei Affiliated Hospital of Anhui Medical University, Hefei, China
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Cordero-Barreal A, González-Rodríguez M, Ruiz-Fernández C, Eldjoudi DA, AbdElHafez YRF, Lago F, Conde J, Gómez R, González-Gay MA, Mobasheri A, Pino J, Gualillo O. An Update on the Role of Leptin in the Immuno-Metabolism of Cartilage. Int J Mol Sci 2021; 22:ijms22052411. [PMID: 33673730 PMCID: PMC7957536 DOI: 10.3390/ijms22052411] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/20/2021] [Accepted: 02/25/2021] [Indexed: 12/14/2022] Open
Abstract
Since its discovery in 1994, leptin has been considered as an adipokine with pleiotropic effects. In this review, we summarize the actual information about the impact of this hormone on cartilage metabolism and pathology. Leptin signalling depends on the interaction with leptin receptor LEPR, being the long isoform of the receptor (LEPRb) the one with more efficient intracellular signalling. Chondrocytes express the long isoform of the leptin receptor and in these cells, leptin signalling, alone or in combination with other molecules, induces the expression of pro-inflammatory molecules and cartilage degenerative enzymes. Leptin has been shown to increase the proliferation and activation of immune cells, increasing the severity of immune degenerative cartilage diseases. Leptin expression in serum and synovial fluid are related to degenerative diseases such as osteoarthritis (OA), rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). Inhibition of leptin signalling showed to have protective effects in these diseases showing the key role of leptin in cartilage degeneration.
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Affiliation(s)
- Alfonso Cordero-Barreal
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain; (A.C.-B.); (M.G.-R.); (C.R.-F.); (D.A.E.); (Y.R.F.A.)
| | - María González-Rodríguez
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain; (A.C.-B.); (M.G.-R.); (C.R.-F.); (D.A.E.); (Y.R.F.A.)
| | - Clara Ruiz-Fernández
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain; (A.C.-B.); (M.G.-R.); (C.R.-F.); (D.A.E.); (Y.R.F.A.)
| | - Djedjiga Ait Eldjoudi
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain; (A.C.-B.); (M.G.-R.); (C.R.-F.); (D.A.E.); (Y.R.F.A.)
| | - Yousof Ramadan Farrag AbdElHafez
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain; (A.C.-B.); (M.G.-R.); (C.R.-F.); (D.A.E.); (Y.R.F.A.)
| | - Francisca Lago
- Molecular and Cellular Cardiology Group, SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Research Laboratory 7, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain; (F.L.); (J.C.)
| | - Javier Conde
- Molecular and Cellular Cardiology Group, SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), Research Laboratory 7, Santiago University Clinical Hospital, 15706 Santiago de Compostela, Spain; (F.L.); (J.C.)
| | - Rodolfo Gómez
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The Muscle-Skeletal Pathology Group, Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain;
| | - Miguel Angel González-Gay
- Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Universidad de Cantabria and IDIVAL, Hospital Universitario Marqués de Valdecilla, Av. Valdecilla, 39008 Santander, Spain;
| | - Ali Mobasheri
- Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, FIN-90230 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, 3584 CX Utrecht, The Netherlands
- Department of Joint Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Jesus Pino
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain; (A.C.-B.); (M.G.-R.); (C.R.-F.); (D.A.E.); (Y.R.F.A.)
- Correspondence: (J.P.); (O.G.); Tel./Fax: +34-981950905 (O.G.)
| | - Oreste Gualillo
- SERGAS (Servizo Galego de Saude) and IDIS (Instituto de Investigación Sanitaria de Santiago), The NEIRID Group (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Santiago University Clinical Hospital, Building C, Travesía da Choupana S/N, 15706 Santiago de Compostela, Spain; (A.C.-B.); (M.G.-R.); (C.R.-F.); (D.A.E.); (Y.R.F.A.)
- Correspondence: (J.P.); (O.G.); Tel./Fax: +34-981950905 (O.G.)
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18
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Abstract
As our understanding of hip function and disease improves, it is evident that the acetabular fossa has received little attention, despite it comprising over half of the acetabulum’s surface area and showing the first signs of degeneration. The fossa’s function is expected to be more than augmenting static stability with the ligamentum teres and being a templating landmark in arthroplasty. Indeed, the fossa, which is almost mature at 16 weeks of intrauterine development, plays a key role in hip development, enabling its nutrition through vascularization and synovial fluid, as well as the influx of chondrogenic stem/progenitor cells that build articular cartilage. The pulvinar, a fibrofatty tissue in the fossa, has the same developmental origin as the synovium and articular cartilage and is a biologically active area. Its unique anatomy allows for homogeneous distribution of the axial loads into the joint. It is composed of intra-articular adipose tissue (IAAT), which has adipocytes, fibroblasts, leucocytes, and abundant mast cells, which participate in the inflammatory cascade after an insult to the joint. Hence, the fossa and pulvinar should be considered in decision-making and surgical outcomes in hip preservation surgery, not only for their size, shape, and extent, but also for their biological capacity as a source of cytokines, immune cells, and chondrogenic stem cells. Cite this article: Bone Joint Res 2020;9(12):857–869.
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Affiliation(s)
- Pablo A Slullitel
- 'Sir John Charnley' Hip Surgery Unit, Institute of Orthopaedics 'Carlos E. Ottolenghi', Italian Hospital of Buenos Aires, Buenos Aires, Argentina
| | - Daniel Coutu
- Regenerative Medicine Program, The Ottawa Hospital Research Institute, Ottawa, Canada
| | - Martin A Buttaro
- 'Sir John Charnley' Hip Surgery Unit, Institute of Orthopaedics 'Carlos E. Ottolenghi', Italian Hospital of Buenos Aires, Buenos Aires, Argentina
| | - Paul Edgar Beaule
- Division of Orthopaedic Surgery, The Ottawa Hospital, Ottawa, Canada
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19
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He Z, Nie P, Lu J, Ling Y, Guo J, Zhang B, Hu J, Liao J, Gu J, Dai B, Feng Z. Less mechanical loading attenuates osteoarthritis by reducing cartilage degeneration, subchondral bone remodelling, secondary inflammation, and activation of NLRP3 inflammasome. Bone Joint Res 2020; 9:731-741. [PMID: 33399476 PMCID: PMC7640939 DOI: 10.1302/2046-3758.910.bjr-2019-0368.r2] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Aims Osteoarthritis (OA) is a disabling joint disorder and mechanical loading is an important pathogenesis. This study aims to investigate the benefits of less mechanical loading created by intermittent tail suspension for knee OA. Methods A post-traumatic OA model was established in 20 rats (12 weeks old, male). Ten rats were treated with less mechanical loading through intermittent tail suspension, while another ten rats were treated with normal mechanical loading. Cartilage damage was determined by gross appearance, Safranin O/Fast Green staining, and immunohistochemistry examinations. Subchondral bone changes were analyzed by micro-CT and tartrate-resistant acid phosphatase (TRAP) staining, and serum inflammatory cytokines were evaluated by enzyme-linked immunosorbent assay (ELISA). Results Our radiographs showed that joint space was significantly enlarged in rats with less mechanical loading. Moreover, cartilage destruction was attenuated in the less mechanical loading group with lower histological damage scores, and lower expression of a disintegrin and metalloproteinase with thrombospondin motifs (ADAMTS)-5, matrix metalloproteinase (MMP)-3, and MMP-13. In addition, subchondral bone abnormal changes were ameliorated in OA rats with less mechanical loading, as reduced bone mineral density (BMD), bone volume/tissue volume (BV/TV), and number of osteophytes and osteoclasts in the subchondral bone were observed. Finally, the level of serum inflammatory cytokines was significantly downregulated in the less mechanical loading group compared with the normal mechanical loading group, as well as the expression of NACHT, LRR, and PYD domains-containing protein 3 (NLRP3), caspase-1, and interleukin 1β (IL-1β) in the cartilage. Conclusion Less mechanical loading alleviates cartilage destruction, subchondral bone changes, and secondary inflammation in OA joints. This study provides fundamental insights into the benefit of non-weight loading rest for patients with OA. Cite this article: Bone Joint Res 2020;9(10):731–741.
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Affiliation(s)
- Zhennian He
- Department of Orthopedic Surgery, Beilun District People's Hospital, Ningbo, China
| | - Pengfei Nie
- Department of Orthopedic Surgery, Beilun District People's Hospital, Ningbo, China
| | - Jianli Lu
- Department of Orthopedic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Yong Ling
- Department of Orthopedic Surgery, Beilun District People's Hospital, Ningbo, China
| | - Jian Guo
- Department of Orthopedic Surgery, Beilun District People's Hospital, Ningbo, China
| | - Bin Zhang
- Department of Orthopedic Surgery, Beilun District People's Hospital, Ningbo, China
| | - Jianghua Hu
- Department of Orthopedic Surgery, Beilun District People's Hospital, Ningbo, China
| | - Jiawei Liao
- Department of Orthopedic Surgery, Beilun District People's Hospital, Ningbo, China
| | - Jie Gu
- Department of Orthopedic Surgery, Beilun District People's Hospital, Ningbo, China
| | - Bo Dai
- Department of Orthopedic Surgery, Beilun District People's Hospital, Ningbo, China
| | - Zhiyun Feng
- Department of Orthopedic Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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20
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Peng X, Zhang C, Bao JP, Zhu L, Shi R, Xie ZY, Wang F, Wang K, Wu XT. A20 of nucleus pulposus cells plays a self-protection role via the nuclear factor-kappa B pathway in the inflammatory microenvironment. Bone Joint Res 2020; 9:225-235. [PMID: 32566144 PMCID: PMC7284293 DOI: 10.1302/2046-3758.95.bjr-2019-0230.r1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Aims Inflammatory response plays a pivotal role in the pathophysiological process of intervertebral disc degeneration (IDD). A20 (also known as tumour necrosis factor alpha-induced protein 3 (TNFAIP3)) is a ubiquitin-editing enzyme that restricts nuclear factor-kappa B (NF-κB) signalling. A20 prevents the occurrence of multiple inflammatory diseases. However, the role of A20 in the initiation of IDD has not been elucidated. The aim of the study was to investigate the effect of A20 in senescence of TNF alpha (TNF-α)-induced nucleus pulposus cells (NPCs). Methods Immunohistochemical staining was performed to observe the expression of A20 in normal and degenerated human intervertebral discs. The NPCs were dissected from the tail vertebrae of healthy male Sprague-Dawley rats and were cultured in the incubator. In the experiment, TNF-α was used to mimic the inflammatory environment of IDD. The cell viability and senescence were examined to investigate the effect of A20 on TNF-α-treated NPCs. The expression of messenger RNA (mRNA)-encoding proteins related to matrix macromolecules (collagen II, aggrecan) and senescence markers (p53, p16). Additionally, NF-κB/p65 activity of NPCs was detected within different test compounds. Results The expression of A20 was upregulated in degenerate human intervertebral discs. The A20 levels of NPCs in TNF-α inflammatory microenvironments were dramatically higher than those of the control group. TNF-α significantly decreased cell proliferation potency but increased senescence-associated beta-galactosidase (SA-β-Gal) activity, the expression of senescence-associated proteins, the synthesis of extracellular matrix, and G1 cycle arrest. The senescence indicators and NF-κB/p65 expression of A20 downregulated group treated with TNF-α were significantly upregulated compared to TNF-α-treated normal NPCs. Conclusion A20 has a self-protective effect on the senescence of NPCs induced by TNF-α. The downregulation of A20 in NPCs exacerbated the senescence of NPCs induced by TNF-α. Cite this article:Bone Joint Res. 2020;9(5):225–235.
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Affiliation(s)
- Xin Peng
- Medical School of Southeast University, Nanjing, China
| | - Cong Zhang
- Medical School of Southeast University, Nanjing, China
| | - Jun-Ping Bao
- Medical School of Southeast University, Nanjing, China
| | - Lei Zhu
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
| | - Rui Shi
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
| | - Zhi-Yang Xie
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
| | - Feng Wang
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
| | - Kun Wang
- Medical School of Southeast University and Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
| | - Xiao-Tao Wu
- Medical School of Southeast University and Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
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