1
|
Liao Z, Cai X, Zheng Y, Lin J, Yang X, Lin W, Zhang Y, He X, Liu C. Sirtuin 1 in osteoarthritis: Perspectives on regulating glucose metabolism. Pharmacol Res 2024; 202:107141. [PMID: 38490314 DOI: 10.1016/j.phrs.2024.107141] [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: 12/17/2023] [Revised: 03/03/2024] [Accepted: 03/11/2024] [Indexed: 03/17/2024]
Abstract
Osteoarthritis (OA) is a degenerative disease characterised by articular cartilage destruction, and its complex aetiology contributes to suboptimal clinical treatment outcomes. A close association exists between glucose metabolism dysregulation and OA pathogenesis. Owing to the unique environment of low oxygen and glucose concentrations, chondrocytes rely heavily on their glycolytic capacity, exhibiting distinct spatiotemporal differences. However, under pathological stimulation, chondrocytes undergo excessive glycolytic activity while mitochondrial respiration and other branches of glucose metabolism are compromised. This metabolic change induces cartilage degeneration by reprogramming the inflammatory responses. Sirtuins, a highly conserved family of nicotinamide adenine dinucleotide (NAD+)-dependent deacetylases, regulate glucose metabolism in response to energy fluctuations in different cellular compartments,alleviating metabolic stress. SIRT1, the most extensively studied sirtuin, participates in maintaining glucose homeostasis in almost all key metabolic tissues. While actively contributing to the OA progression and displaying diverse biological effects in cartilage protection, SIRT1's role in regulating glucose metabolism in chondrocytes has not received sufficient attention. This review focuses on discussing the beneficial role of SIRT1 in OA progression from a metabolic regulation perspective based on elucidating the primary characteristics of chondrocyte glucose metabolism. We also summarise the potential mechanisms and therapeutic strategies targeting SIRT1 in chondrocytes to guide clinical practice and explore novel therapeutic directions.
Collapse
Affiliation(s)
- Zhihao Liao
- Department of Orthodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, 366, Jiangnan Avenue South, Guangzhou 510280, China
| | - Xuepei Cai
- Department of Pediatric Dentistry, School and Hospital of Stomatology, Guangdong Engineering Research Center of Oral Restoration and Reconstruction & Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou Medical University, Guangzhou, China
| | - Yifan Zheng
- Department of Orthodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, 366, Jiangnan Avenue South, Guangzhou 510280, China
| | - Jiayu Lin
- Department of Orthodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, 366, Jiangnan Avenue South, Guangzhou 510280, China
| | - Xia Yang
- Department of Orthodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, 366, Jiangnan Avenue South, Guangzhou 510280, China
| | - Weiyin Lin
- Department of Orthodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, 366, Jiangnan Avenue South, Guangzhou 510280, China
| | - Ying Zhang
- Department of Orthodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, 366, Jiangnan Avenue South, Guangzhou 510280, China
| | - Xin He
- Department of Orthodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, 366, Jiangnan Avenue South, Guangzhou 510280, China
| | - Chufeng Liu
- Department of Orthodontics, Stomatological Hospital, School of Stomatology, Southern Medical University, 366, Jiangnan Avenue South, Guangzhou 510280, China.
| |
Collapse
|
2
|
Jain L, Bolam SM, Monk AP, Munro JT, Chen E, Tamatea J, Dalbeth N, Poulsen RC. Differential Effects of Hypoxia versus Hyperoxia or Physoxia on Phenotype and Energy Metabolism in Human Chondrocytes from Osteoarthritic Compared to Macroscopically Normal Cartilage. Int J Mol Sci 2023; 24:ijms24087532. [PMID: 37108698 PMCID: PMC10142591 DOI: 10.3390/ijms24087532] [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: 04/03/2023] [Revised: 04/17/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023] Open
Abstract
Chondrocyte phenotype and energy metabolism are altered in osteoarthritis (OA). However, most studies characterising the change in human chondrocyte behaviour in OA have been conducted in supraphysiological oxygen concentrations. The purpose of this study was to compare phenotype and energy metabolism in chondrocytes from macroscopically normal (MN) and OA cartilage maintained in 18.9% (standard tissue culture), 6% (equivalent to superficial zone of cartilage in vivo) or 1% oxygen (equivalent to deep zone of cartilage in vivo). MMP13 production was higher in chondrocytes from OA compared to MN cartilage in hyperoxia and physoxia but not hypoxia. Hypoxia promoted SOX9, COL2A1 and ACAN protein expression in chondrocytes from MN but not OA cartilage. OA chondrocytes used higher levels of glycolysis regardless of oxygen availability. These results show that differences in phenotype and energy metabolism between chondrocytes from OA and MN cartilage differ depending on oxygen availability. OA chondrocytes show elevated synthesis of cartilage-catabolising enzymes and chondrocytes from MN cartilage show reduced cartilage anabolism in oxygenated conditions. This is relevant as a recent study has shown that oxygen levels are elevated in OA cartilage in vivo. Our findings may indicate that this elevated cartilage oxygenation may promote cartilage loss in OA.
Collapse
Affiliation(s)
- Lekha Jain
- Department of Pharmacology and Clinical Pharmacology, University of Auckland, Auckland 1023, New Zealand
| | - Scott M Bolam
- Department of Surgery, University of Auckland, Auckland 1023, New Zealand
- Department of Medicine, University of Auckland, Auckland 1023, New Zealand
| | - A Paul Monk
- Auckland Bioengineering Institute, University of Auckland, Auckland 1010, New Zealand
| | - Jacob T Munro
- Department of Surgery, University of Auckland, Auckland 1023, New Zealand
| | - Even Chen
- Department of Pharmacology and Clinical Pharmacology, University of Auckland, Auckland 1023, New Zealand
| | - Jade Tamatea
- Te Kupenga Hauora Māori, University of Auckland, Auckland 1010, New Zealand
| | - Nicola Dalbeth
- Department of Medicine, University of Auckland, Auckland 1023, New Zealand
| | - Raewyn C Poulsen
- Department of Pharmacology and Clinical Pharmacology, University of Auckland, Auckland 1023, New Zealand
| |
Collapse
|
3
|
Segarra-Queralt M, Piella G, Noailly J. Network-based modelling of mechano-inflammatory chondrocyte regulation in early osteoarthritis. Front Bioeng Biotechnol 2023; 11:1006066. [PMID: 36815875 PMCID: PMC9936426 DOI: 10.3389/fbioe.2023.1006066] [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: 07/28/2022] [Accepted: 01/16/2023] [Indexed: 02/05/2023] Open
Abstract
Osteoarthritis (OA) is a debilitating joint disease characterized by articular cartilage degradation, inflammation and pain. An extensive range of in vivo and in vitro studies evidences that mechanical loads induce changes in chondrocyte gene expression, through a process known as mechanotransduction. It involves cascades of complex molecular interactions that convert physical signals into cellular response(s) that favor either chondroprotection or cartilage destruction. Systematic representations of those interactions can positively inform early strategies for OA management, and dynamic modelling allows semi-quantitative representations of the steady states of complex biological system according to imposed initial conditions. Yet, mechanotransduction is rarely integrated. Hence, a novel mechano-sensitive network-based model is proposed, in the form of a continuous dynamical system: an interactome of a set of 118 nodes, i.e., mechano-sensitive cellular receptors, second messengers, transcription factors and proteins, related among each other through a specific topology of 358 directed edges is developed. Results show that under physio-osmotic initial conditions, an anabolic state is reached, whereas initial perturbations caused by pro-inflammatory and injurious mechanical loads leads to a catabolic profile of node expression. More specifically, healthy chondrocyte markers (Sox9 and CITED2) are fully expressed under physio-osmotic conditions, and reduced under inflammation, or injurious loadings. In contrast, NF-κB and Runx2, characteristic of an osteoarthritic chondrocyte, become activated under inflammation or excessive loading regimes. A literature-based evaluation shows that the model can replicate 94% of the experiments tested. Sensitivity analysis based on a factorial design of a treatment shows that inflammation has the strongest influence on chondrocyte metabolism, along with a significant deleterious effect of static compressive loads. At the same time, anti-inflammatory therapies appear as the most promising ones, though the restoration of structural protein production seems to remain a major challenge even in beneficial mechanical environments. The newly developed mechano-sensitive network model for chondrocyte activity reveals a unique potential to reflect load-induced chondroprotection or articular cartilage degradation in different mechano-chemical-environments.
Collapse
|
4
|
Loverdou N, Cuvelier M, Nilsson Hall G, Christiaens A, Decoene I, Bernaerts K, Smeets B, Ramon H, Luyten FP, Geris L, Papantoniou I. Stirred culture of cartilaginous microtissues promotes chondrogenic hypertrophy through exposure to intermittent shear stress. Bioeng Transl Med 2022; 8:e10468. [DOI: 10.1002/btm2.10468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 11/03/2022] [Accepted: 11/30/2022] [Indexed: 01/01/2023] Open
Affiliation(s)
- Niki Loverdou
- Prometheus, Division of Skeletal Tissue Engineering KU Leuven Leuven Herestraat Belgium
- Skeletal Biology & Engineering Research Centre, Department of Development & Regeneration KU Leuven Leuven Herestraat Belgium
- Biomechanics Research Unit GIGA‐R In Silico Medicine, Université de Liege, Avenue de l'Hôpital 11—BAT 34 Liège 1 Belgium
- Biomechanics Section, KU Leuven Celestijnenlaan Leuven Belgium
| | - Maxim Cuvelier
- Prometheus, Division of Skeletal Tissue Engineering KU Leuven Leuven Herestraat Belgium
- Biosystems Department MeBioS, KU Leuven Kasteelpark Arenberg Leuven Belgium
| | - Gabriella Nilsson Hall
- Prometheus, Division of Skeletal Tissue Engineering KU Leuven Leuven Herestraat Belgium
- Skeletal Biology & Engineering Research Centre, Department of Development & Regeneration KU Leuven Leuven Herestraat Belgium
| | - An‐Sofie Christiaens
- Department of Chemical Engineering KU Leuven Celestijnenlaan Leuven Belgium
- Leuven Chem&Tech Celestijnenlaan Leuven Belgium
| | - Isaak Decoene
- Prometheus, Division of Skeletal Tissue Engineering KU Leuven Leuven Herestraat Belgium
- Skeletal Biology & Engineering Research Centre, Department of Development & Regeneration KU Leuven Leuven Herestraat Belgium
| | - Kristel Bernaerts
- Department of Chemical Engineering KU Leuven Celestijnenlaan Leuven Belgium
- Leuven Chem&Tech Celestijnenlaan Leuven Belgium
| | - Bart Smeets
- Prometheus, Division of Skeletal Tissue Engineering KU Leuven Leuven Herestraat Belgium
- Skeletal Biology & Engineering Research Centre, Department of Development & Regeneration KU Leuven Leuven Herestraat Belgium
- Biosystems Department MeBioS, KU Leuven Kasteelpark Arenberg Leuven Belgium
| | - Herman Ramon
- Biosystems Department MeBioS, KU Leuven Kasteelpark Arenberg Leuven Belgium
| | - Frank P. Luyten
- Prometheus, Division of Skeletal Tissue Engineering KU Leuven Leuven Herestraat Belgium
- Skeletal Biology & Engineering Research Centre, Department of Development & Regeneration KU Leuven Leuven Herestraat Belgium
| | - Liesbet Geris
- Prometheus, Division of Skeletal Tissue Engineering KU Leuven Leuven Herestraat Belgium
- Skeletal Biology & Engineering Research Centre, Department of Development & Regeneration KU Leuven Leuven Herestraat Belgium
- Biomechanics Research Unit GIGA‐R In Silico Medicine, Université de Liege, Avenue de l'Hôpital 11—BAT 34 Liège 1 Belgium
- Biomechanics Section, KU Leuven Celestijnenlaan Leuven Belgium
| | - Ioannis Papantoniou
- Prometheus, Division of Skeletal Tissue Engineering KU Leuven Leuven Herestraat Belgium
- Skeletal Biology & Engineering Research Centre, Department of Development & Regeneration KU Leuven Leuven Herestraat Belgium
- Institute of Chemical Engineering Sciences, Foundation for Research and Technology‐Hellas (FORTH) Stadiou St, Platani Patras Greece
| |
Collapse
|
5
|
Wu X, Liyanage C, Plan M, Stark T, McCubbin T, Barrero RA, Batra J, Crawford R, Xiao Y, Prasadam I. Dysregulated energy metabolism impairs chondrocyte function in osteoarthritis. Osteoarthritis Cartilage 2022; 31:613-626. [PMID: 36410637 DOI: 10.1016/j.joca.2022.11.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 11/07/2022] [Accepted: 11/12/2022] [Indexed: 11/21/2022]
Abstract
OBJECTIVES Metabolic pathways are a series of chemical reactions by which cells take in nutrient substrates for energy and building blocks needed to maintain critical cellular processes. Details of chondrocyte metabolism and how it rewires during the progression of osteoarthritis (OA) are unknown. This research aims to identify what changes in the energy metabolic state occur in OA cartilage. METHODS Patient matched OA and non-OA cartilage specimens were harvested from total knee replacement patients. Cartilage was first collected for metabolomics, proteomics, and transcriptomics analyses to study global alterations in OA metabolism. We then determined the metabolic routes by tracking [U-13C] isotope with liquid chromatography-mass spectrometry (LC-MS). We further evaluated cellular bioenergetic profiles by measuring oxygen consumption rate (OCR) and extracellular acidification rate (ECAR) and investigated the effects of low-dose and short-term effects of 2-deoxyglucose (2DG) on chondrocytes. RESULTS OA chondrocytes showed increased basal ECAR and more lactate production compared to non-OA chondrocytes. [U-13C] glucose labelling revealed that less glucose-derived carbon entered the tricarboxylic acid (TCA) cycle. On the other hand, mitochondrial respiratory rates were markedly decreased in the OA chondrocytes compared to non-OA chondrocytes. These changes were accompanied by decreased cellular ATP production, mitochondrial membrane potential and disrupted mitochondrial morphology. We further demonstrated in vitro that short-term inhibition of glycolysis suppressed matrix degeneration gene expression in chondrocytes and bovine cartilage explants cultured under inflammatory conditions. CONCLUSION This study represents the first comprehensive comparative analysis of metabolism in OA chondrocytes and lays the groundwork for therapeutic targeting of metabolism in OA.
Collapse
Affiliation(s)
- X Wu
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, QLD 4059, Australia; Department of Orthopaedic Surgery, the Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - C Liyanage
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, QLD 4059, Australia; Australian Prostate Cancer Research Centre-Queensland, Translational Research Institute, Queensland University of Technology, Brisbane, QLD 4102, Australia
| | - M Plan
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia; Metabolomics Australia (Queensland Node), AIBN, The University of Queensland, Brisbane, QLD 4072, Australia
| | - T Stark
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia; Metabolomics Australia (Queensland Node), AIBN, The University of Queensland, Brisbane, QLD 4072, Australia
| | - T McCubbin
- Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia; Metabolomics Australia (Queensland Node), AIBN, The University of Queensland, Brisbane, QLD 4072, Australia
| | - R A Barrero
- eResearch Office, Queensland University of Technology, Brisbane, QLD 4000, Australia
| | - J Batra
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, QLD 4059, Australia; Australian Prostate Cancer Research Centre-Queensland, Translational Research Institute, Queensland University of Technology, Brisbane, QLD 4102, Australia
| | - R Crawford
- The Prince Charles Hospital, Chermside, Brisbane, QLD 4032, Australia
| | - Y Xiao
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, QLD 4059, Australia; Australia-China Centre for Tissue Engineering and Regenerative Medicine, Queensland University of Technology, Brisbane, QLD 4059, Australia
| | - I Prasadam
- Centre for Biomedical Technologies, Queensland University of Technology, Brisbane, QLD 4059, Australia.
| |
Collapse
|
6
|
Hahn AK, Rawle RA, Bothner B, Prado Lopes EB, Griffin TM, June RK. In vivo mechanotransduction: Effect of acute exercise on the metabolomic profiles of mouse synovial fluid. OSTEOARTHRITIS AND CARTILAGE OPEN 2022; 4:100228. [PMID: 36474473 PMCID: PMC9718234 DOI: 10.1016/j.ocarto.2021.100228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 04/23/2021] [Accepted: 12/06/2021] [Indexed: 11/16/2022] Open
Abstract
Objective Exercise is known to induce beneficial effects in synovial joints. However, the mechanisms underlying these are unclear. Synovial joints experience repeated mechanical loading during exercise. These mechanical stimuli are transduced into biological responses through cellular mechanotransduction. Mechanotransduction in synovial joints is typically studied in tissues. However, synovial fluid directly contacts all components of the joint, and thus may produce a whole-joint picture of the mechanotransduction response to loading. The objective of this study was to determine if metabolic phenotypes are present in the synovial fluid after acute exercise as a first step to understanding the beneficial effects of exercise on the joint. Material and methods Mice underwent a single night of voluntary wheel running or standard housing and synovial fluid was harvested for global metabolomic profiling by LC-MS. Hierarchical unsupervised clustering, partial least squares discriminant, and pathway analysis provided insight into exercise-induced mechanotransduction. Results Acute exercise produced a distinct metabolic phenotype in synovial fluid. Mechanosensitive metabolites included coenzyme A derivatives, prostaglandin derivatives, phospholipid species, tryptophan, methionine, vitamin D3, fatty acids, and thiocholesterol. Enrichment analysis identified several pathways previously linked to exercise including amino acid metabolism, inflammatory pathways, citrulline-nitric oxide cycle, catecholamine biosynthesis, ubiquinol biosynthesis, and phospholipid metabolism. Conclusion To our knowledge, this is the first study to investigate metabolomic profiles of synovial fluid during in vivo mechanotransduction. These profiles indicate that exercise induced stress-response processes including both pro- and anti-inflammatory pathways. Further research will expand these results and define the relationship between the synovial fluid and the serum.
Collapse
Affiliation(s)
- Alyssa K. Hahn
- Molecular Biosciences Program, Montana State University, Bozeman, MT, 59717, USA
- Department of Cell Biology & Neuroscience, Montana State University, Bozeman, MT, 59717, USA
- Department of Biological and Environmental Sciences, Carroll College, Helena, MT, 59625, USA
| | - Rachel A. Rawle
- Molecular Biosciences Program, Montana State University, Bozeman, MT, 59717, USA
- Department of Chemistry & Biochemistry, Montana State University, Bozeman, MT, 59717, USA
| | - Brian Bothner
- Department of Chemistry & Biochemistry, Montana State University, Bozeman, MT, 59717, USA
| | - Erika Barboza Prado Lopes
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation (OMRF), Oklahoma City, OK, 73104, USA
| | - Timothy M. Griffin
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation (OMRF), Oklahoma City, OK, 73104, USA
- Veterans Affairs Medical Center, Oklahoma City, OK, 73104, USA
| | - Ronald K. June
- Department of Cell Biology & Neuroscience, Montana State University, Bozeman, MT, 59717, USA
- Department of Mechanical & Industrial Engineering, Montana State University, Bozeman, MT, 59717, USA
| |
Collapse
|
7
|
Welhaven HD, McCutchen CN, June RK. Effects of mechanical stimulation on metabolomic profiles of SW1353 chondrocytes: shear and compression. Biol Open 2022; 11:274218. [PMID: 35113136 PMCID: PMC8822358 DOI: 10.1242/bio.058895] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 11/15/2021] [Indexed: 12/21/2022] Open
Abstract
Mechanotransduction is a biological phenomenon where mechanical stimuli are converted to biochemical responses. A model system for studying mechanotransduction are the chondrocytes of articular cartilage. Breakdown of this tissue results in decreased mobility, increased pain, and reduced quality of life. Either disuse or overloading can disrupt cartilage homeostasis, but physiological cyclical loading promotes cartilage homeostasis. To model this, we exposed SW1353 cells to cyclical mechanical stimuli, shear and compression, for different durations of time (15 and 30 min). By utilizing liquid chromatography-mass spectroscopy (LC-MS), metabolomic profiles were generated detailing metabolite features and biological pathways that are altered in response to mechanical stimulation. In total, 1457 metabolite features were detected. Statistical analyses identified several pathways of interest. Taken together, differences between experimental groups were associated with inflammatory pathways, lipid metabolism, beta-oxidation, central energy metabolism, and amino acid production. These findings expand our understanding of chondrocyte mechanotransduction under varying loading conditions and time periods. This article has an associated First Person interview with the first author of the paper.
Collapse
Affiliation(s)
- Hope D Welhaven
- Department of Chemistry & Biochemistry and Molecular Biosciences Program, Montana State University, Bozeman, MT 59717, USA
| | - Carley N McCutchen
- Department of Mechanical & Industrial Engineering, Montana State University, Bozeman, MT 59717, USA
| | - Ronald K June
- Department of Mechanical & Industrial Engineering, Montana State University, Bozeman, MT 59717, USA.,Department of Microbiology & Cell Biology, Montana State University, Bozeman MT 59717, USA.,Department of Orthopaedics & Sports Medicine, University of Washington, Seattle, WA 98195, USA
| |
Collapse
|
8
|
PPARα-ACOT12 axis is responsible for maintaining cartilage homeostasis through modulating de novo lipogenesis. Nat Commun 2022; 13:3. [PMID: 34987154 PMCID: PMC8733009 DOI: 10.1038/s41467-021-27738-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 12/03/2021] [Indexed: 12/25/2022] Open
Abstract
Here, in Ppara−/− mice, we found that an increased DNL stimulated the cartilage degradation and identified ACOT12 as a key regulatory factor. Suppressed level of ACOT12 was observed in cartilages of OA patient and OA-induced animal. To determine the role and association of ACOT12 in the OA pathogenesis, we generated Acot12 knockout (KO) (Acot12−/−) mice using RNA-guided endonuclease. Acot12−/− mice displayed the severe cartilage degradation with the stimulation of matrix MMPs and chondrocyte apoptosis through the accumulation of acetyl CoA. Delivery of acetyl CoA-conjugated chitosan complex into cartilage stimulated DNL and cartilage degradation. Moreover, restoration of ACOT12 into human OA chondrocytes and OA-induced mouse cartilage effectively rescued the pathophysiological features of OA by regulating DNL. Taken together, our study suggested ACOT12 as a novel regulatory factor in maintaining cartilage homeostasis and targeting ACOT12 could contribute to developing a new therapeutic strategy for OA. Increasing evidence suggested that dysregulation in lipid metabolism is linked to OA pathogenesis, but the underlying regulatory mechanism is not well understood. Here, the authors show that PPARα-ACOT12 signalling regulates cartilage homeostasis by regulating de novo lipogenesis in mice.
Collapse
|
9
|
Njoto I. Hyperglycemia Duration Impact On Anatomical Damage Level Of Osteoarthritic Articular Cartilage In Rat Models With Diabetes Mellitus Type 1. RUSSIAN OPEN MEDICAL JOURNAL 2021. [DOI: 10.15275/rusomj.2021.0304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background — Diabetes mellitus caused alteration of chondrocytes morphology of superficial layer on osteoarthritic articular (OA) cartilage in an articular cartilage rat model. These results need to be analyzed in relation to hyperglycemia duration. Objective — This study evaluates the influence of hyperglycemia on microscopic anatomical damage progression in OA cartilage. Material and Methods — Thirty-five adult male rats were divided into seven groups: control group, three OA groups, and three OA groups with type 1 diabetes mellitus (DMT-1). For OA groups, the first, second, and third group was sacrificed on the third, fourth, and sixth week respectively after two months maintenance. OA with DMT-1 groups were performed anterior cruciate ligament transaction (ACLT) and were injected streptozotocin intraperitoneally to promote DMT-1 for one-month maintenance. DMT-1.1, DMT-1.2, and DMT-1.3 group was sacrificed on the third, fourth, and sixth week respectively after two months maintenance. The right knee cartilage was taken and processed for histopathology with hematoxylin and eosin staining, then analyzed using a Pritzker scale. Results — In OA group with DMT-1, hyperglycemia duration (6th>4th>3th weeks exposure) increased the level of damage in the OA cartilage compared with the OA group. Pritzker scale observe on deeper abrasiveness of the superficial articular layer, cartilage fissure reaching the middle layer, a more severe decrease in the chondrocytes columnar pattern, changing of matrix integrity, and many sclerotic conditions were provoked by increasing the hyperglycemia duration. Conclusion — Hyperglycemia duration influenced the damage level in the articular cartilage, increasing the progression of OA disease in animal models.
Collapse
Affiliation(s)
- Ibrahim Njoto
- University of Wijaya Kusuma Surabaya, Surabaya, East Java, Indonesia
| |
Collapse
|
10
|
Zheng L, Zhang Z, Sheng P, Mobasheri A. The role of metabolism in chondrocyte dysfunction and the progression of osteoarthritis. Ageing Res Rev 2021; 66:101249. [PMID: 33383189 DOI: 10.1016/j.arr.2020.101249] [Citation(s) in RCA: 268] [Impact Index Per Article: 89.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/16/2020] [Accepted: 12/21/2020] [Indexed: 02/07/2023]
Abstract
Osteoarthritis (OA) is a degenerative joint disease characterized by low-grade inflammation and high levels of clinical heterogeneity. Aberrant chondrocyte metabolism is a response to changes in the inflammatory microenvironment and may play a key role in cartilage degeneration and OA progression. Under conditions of environmental stress, chondrocytes tend to adapt their metabolism to microenvironmental changes by shifting from one metabolic pathway to another, for example from oxidative phosphorylation to glycolysis. Similar changes occur in other joint cells, including synoviocytes. Switching between these pathways is implicated in metabolic alterations that involve mitochondrial dysfunction, enhanced anaerobic glycolysis, and altered lipid and amino acid metabolism. The shift between oxidative phosphorylation and glycolysis is mainly regulated by the AMP-activated protein kinase (AMPK) and mechanistic target of rapamycin (mTOR) pathways. Chondrocyte metabolic changes are likely to be a feature of different OA phenotypes. Determining the role of chondrocyte metabolism in OA has revealed key features of disease pathogenesis. Future research should place greater emphasis on immunometabolism and altered metabolic pathways as a means to understand the pathophysiology of age-related OA. This knowledge will advance the development of new drugs against therapeutic targets of metabolic significance.
Collapse
Affiliation(s)
- Linli Zheng
- Department of Joint Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080 China
| | - Ziji Zhang
- Department of Joint Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080 China
| | - Puyi Sheng
- Department of Joint Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080 China.
| | - Ali Mobasheri
- Department of Joint Surgery, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong 510080 China; Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, PO Box 5000, FI-90014 Oulu, Finland; Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, LT-08406, Vilnius, Lithuania; Departments of Orthopedics, Rheumatology and Clinical Immunology, University Medical Center Utrecht, 508 GA, Utrecht, The Netherlands.
| |
Collapse
|
11
|
Roche ME, Lin Z, Whitaker-Menezes D, Zhan T, Szuhai K, Bovee JVMG, Abraham JA, Jiang W, Martinez-Outschoorn U, Basu-Mallick A. Translocase of the outer mitochondrial membrane complex subunit 20 (TOMM20) facilitates cancer aggressiveness and therapeutic resistance in chondrosarcoma. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165962. [PMID: 32920118 DOI: 10.1016/j.bbadis.2020.165962] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 08/31/2020] [Accepted: 09/01/2020] [Indexed: 02/08/2023]
Abstract
Chondrosarcoma is the second most common primary bone malignancy, representing one fourth of all primary bone sarcomas. It is typically resistant to radiation and chemotherapy treatments. However, the molecular mechanisms that contribute to cancer aggressiveness in chondrosarcomas remain poorly characterized. Here, we studied the role of mitochondrial transporters in chondrosarcoma aggressiveness including chemotherapy resistance. Histological grade along with stage are the most important prognostic biomarkers in chondrosarcoma. We found that high-grade human chondrosarcoma tumors have higher expression of the mitochondrial protein, translocase of the outer mitochondrial membrane complex subunit 20 (TOMM20), compared to low-grade tumors. TOMM20 overexpression in human chondrosarcoma cells induces chondrosarcoma tumor growth in vivo. TOMM20 drives proliferation, resistance to apoptosis and chemotherapy resistance. Also, TOMM20 induces markers of epithelial to mesenchymal transition (EMT) and metabolic reprogramming in these mesenchymal tumors. In conclusion, TOMM20 drives chondrosarcoma aggressiveness and resistance to chemotherapy.
Collapse
Affiliation(s)
- Megan E Roche
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, USA
| | - Zhao Lin
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, USA
| | - Diana Whitaker-Menezes
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, USA
| | - Tingting Zhan
- Department of Pharmacology, Division of Biostatistics, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, USA
| | - Karoly Szuhai
- Department of Pathology, Leiden University, the Netherlands
| | | | - John A Abraham
- Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, USA
| | - Wei Jiang
- Department of Pathology, Anatomy & Cell Biology, Thomas Jefferson University, Philadelphia, USA
| | - Ubaldo Martinez-Outschoorn
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, USA.
| | - Atrayee Basu-Mallick
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, USA.
| |
Collapse
|
12
|
Real-time optical redox imaging of cartilage metabolic response to mechanical loading. Osteoarthritis Cartilage 2019; 27:1841-1850. [PMID: 31513919 DOI: 10.1016/j.joca.2019.08.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 08/27/2019] [Accepted: 08/29/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Metabolic dysregulation has recently been identified as a key feature of osteoarthritis. Mechanical overloading has been postulated as a primary cause of this metabolic response. Current methods of real-time metabolic activity analysis in cartilage are limited and challenging. However, optical redox imaging leverages the autofluorescence of co-enzymes NAD(P)H and FAD to provide dye-free real-time analysis of metabolic activity. This technique has not yet been applied to cartilage. This study aimed to assess the effects of a compressive load on cartilage using optical redox imaging. METHOD Cartilage samples were excised from porcine femoral condyles. To validate this imaging modality in cartilage, glycolysis was inhibited via 2-deoxy-D-glucose (2DG) and oxidative phosphorylation was inhibited by rotenone. Optical redox images were collected pre- and post-inhibition. To assess the effects of mechanical loading, samples were subjected to a compressive load and imaged for approximately 30 min. Load and strain parameters were determined using high-speed camera images in Matlab. A range of loading magnitudes and rates were applied across samples. RESULTS 2DG and rotenone demonstrated the expected inhibitory effects on fluorescence intensity in the channels corresponding to NAD(P)H and FAD, respectively. Mechanical loading induced an increase in NAD(P)H channel fluorescence which subsided by 30 min post-loading. Magnitude of loading parameters had mixed effects on metabolites. CONCLUSIONS Optical redox imaging provides an opportunity to assess real-time metabolic activity in cartilage. This approach revealed a metabolic response to a single load and can be used to provide insight into the role of metabolism in mechanically-mediated cartilage degradation.
Collapse
|
13
|
Njoto I, Kalim H, Soeatmadji DW, Handono K, Fatchiyah F. Effect of Hyperglycemia to The mRNA Level and Protein Expression of Perlecan at Rat Model of Osteoarthritis with Diabetes Mellitus Type 1. Med Arch 2019; 73:144-148. [PMID: 31402800 PMCID: PMC6643336 DOI: 10.5455/medarh.2019.73.144-148] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 04/25/2019] [Indexed: 01/09/2023] Open
Abstract
INTRODUCTION Previous research found that diabetes mellitus capable to aggravate osteoarthritis disease. In brief, the hyperglycemia condition in diabetes mellitus has an impact on protein glycation of all joint components, including molecule, such as perlecan. The protein expression of perlecan reflects the presence amount of perlecan in the matrix of articular cartilage. However, the impact of hyperglycemia on articular perlecan has not been explained. Moreover, the role of perlecan as a mechanotransducer for chondrocytes in type 1 Diabetes mellitus remains unclear. AIM This research aims to analyze the effect of hyperglycemia in type 1 Diabetes mellitus to the mRNA level and protein expression of perlecan. METHODS Thirty-five adult male rats were divided into seven groups, such as three groups of rat model with anterior cruciate ligament transection (ACLT) at right knee (ACLT1, ACLT2, ACLT3); three groups of rats with ACLT at right knee which followed by Streptozotocin injection for diabetic mice model (DM1, DM2, DM3); and control group (N). Rat sacrificed at the third week, fourth week, and sixth week after two months of maintenance. The mRNA level and protein expression were analyzed by using PCR and Western blot. All of data was analyzed by ANOVA. RESULTS Protein expression of perlecan in ACLT mice with diabetes mellitus (DM1, DM2, DM3 group) was gradually decreased according to the increased hyperglycemia duration. Whilst, protein expression of perlecan within ACLT mice without diabetes mellitus (ACLT1, ACLT2, ACLT3 group) was increased. The similar result also demonstrated by the mRNA level of perlecan. Group of DM1, DM2, DM3 exhibited decreased mRNA level of perlecan over the hyperglycemia duration. While, ACLT1, ACLT2, and ACLT3 group had a gradually increased of perlecan mRNA level. CONCLUSION Hyperglycemia on osteoarthritic condition decreased mRNA level and protein expression of perlecan which increased the severity of osteoarthritis disease.
Collapse
Affiliation(s)
- Ibrahim Njoto
- Department of Anatomy, Faculty of Medicine, Wijaya Kusuma University, Surabaya, Indonesia
- Faculty of Medicine, University of Brawijaya, Malang, Indonesia
| | - Handono Kalim
- Research Centre of Smart Molecule of Natural Genetics Resources, Department of Biology, Faculty of Sciences, Brawijaya University, Malang, East Java, Indonesia
| | - Djoko W Soeatmadji
- Research Centre of Smart Molecule of Natural Genetics Resources, Department of Biology, Faculty of Sciences, Brawijaya University, Malang, East Java, Indonesia
| | - Kusworini Handono
- Department of Anatomy, Faculty of Medicine, Wijaya Kusuma University, Surabaya, Indonesia
- Faculty of Medicine, University of Brawijaya, Malang, Indonesia
- Research Centre of Smart Molecule of Natural Genetics Resources, Department of Biology, Faculty of Sciences, Brawijaya University, Malang, East Java, Indonesia
| | - Fatchiyah Fatchiyah
- Department of Anatomy, Faculty of Medicine, Wijaya Kusuma University, Surabaya, Indonesia
- Faculty of Medicine, University of Brawijaya, Malang, Indonesia
- Research Centre of Smart Molecule of Natural Genetics Resources, Department of Biology, Faculty of Sciences, Brawijaya University, Malang, East Java, Indonesia
| |
Collapse
|
14
|
Njoto I, Soekanto A, Ernawati E, Abdurrachman A, Kalim H, Handono K, Soeatmadji DW, Fatchiyah F. Chondrocyte Intracellular Matrix Strain Fields of Articular Cartilage Surface in Hyperglycemia Model of Rat: Cellular Morphological Study. Med Arch 2019; 72:348-351. [PMID: 30524167 PMCID: PMC6282912 DOI: 10.5455/medarh.2018.72.348-351] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Introduction: Chondrocyte is one cell in articular cartilage was products many proteins, molecules, and other factors. The external influence of cartilage, such as: hyperglycemia was entering joint capsule and impact to the chondrocytes and the cartilage. Hyperglycemia caused modification of heparan sulfate proteoglycan 2 (perlecan) proteins through glycation process. Aim: The aim of this study was to analyze morphological changing of chondrocytes pericellular matrix by the influence of hyperglycemia. Material and Methods: Eighteen adult male rats were divided into six groups: control, rat treated with sugar intake was 0.5 mg/kg, 0.75 mg/ kg, 1mg/kg, 1.5 g/kg and 2 mg/kg of body weight. The animal model was dislocated and left knee was taken to observe changing of chondrocytes pericellular matrix strain fields by Scanning Electron Microscope (SEM) from perpendicular to femoral condylus cartilage. Results: Changing of chondrocytes intracellular matrix strain fields as changing of cell diameters and cell distances at group control and group I to group V, which cell diameters was lower level and cell distances was the highest level at over diet 2. This changing of intracellular matrix strain fields was corresponding to changing chondrocytes morphology in hyperglycemia condition, due to hypertrophic stage as adaptive responses. This research as based on next research for accomplish of hyperglycemia influence to morphology articular cartilage changing to prevent degeneration of cartilage towards osteoarthritis. Conclusions: Present study concludes that hyperglycemia influence to chondrocyte intracellular matrix strain fields changing.
Collapse
Affiliation(s)
- Ibrahim Njoto
- Anatomy Department, Faculty of Medicine, Wijaya Kusuma Surabaya University
| | - Ayly Soekanto
- Anatomy Department, Faculty of Medicine, Wijaya Kusuma Surabaya University
| | - Ernawati Ernawati
- Farmacology Department, Faculty of Medicine, Wijaya Kusuma Surabaya University
| | | | - Handono Kalim
- Proffessor of Internal Medicine at Doctoral Programme, Faculty of Medicine, Brawijaya University, Malang
| | - Kusworini Handono
- Proffessor of Clinical Pathology Doctoral Programme, Faculty of Medicine, Brawijaya University, Malang
| | - Djoko W Soeatmadji
- Proffessor of Internal Medicine at Doctoral Programme, Faculty of Medicine, Brawijaya University, Malang
| | - Fatchiyah Fatchiyah
- Research Group of Smart Molecule of Natural Genetics Resources UB, and Department of Biology, Faculty of Sciences, Brawijaya University
| |
Collapse
|
15
|
Salinas D, Mumey B, June RK. Physiological dynamic compression regulates central energy metabolism in primary human chondrocytes. Biomech Model Mechanobiol 2019; 18:69-77. [PMID: 30097814 PMCID: PMC9851408 DOI: 10.1007/s10237-018-1068-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 08/01/2018] [Indexed: 01/21/2023]
Abstract
Chondrocytes use the pathways of central metabolism to synthesize molecular building blocks and energy for cartilage homeostasis. An interesting feature of the in vivo chondrocyte environment is the cyclical loading generated in various activities (e.g., walking). However, it is unknown whether central metabolism is altered by mechanical loading. We hypothesized that physiological dynamic compression alters central metabolism in chondrocytes to promote production of amino acid precursors for matrix synthesis. We measured the expression of central metabolites (e.g., glucose, its derivatives, and relevant co-factors) for primary human osteoarthritic chondrocytes in response to 0-30 minutes of compression. To analyze the data, we used principal components analysis and ANOVA-simultaneous components analysis, as well as metabolic flux analysis. Compression-induced metabolic responses consistent with our hypothesis. Additionally, these data show that chondrocyte samples from different patient donors exhibit different sensitivity to compression. Most importantly, we find that grade IV osteoarthritic chondrocytes are capable of synthesizing non-essential amino acids and precursors in response to mechanical loading. These results suggest that further advances in metabolic engineering of chondrocyte mechanotransduction may yield novel translational strategies for cartilage repair.
Collapse
Affiliation(s)
- Daniel Salinas
- Department of Computer Science, Montana State University, PO Box 173800, Bozeman, MT 59717-3800
| | - Brendan Mumey
- Department of Computer Science, Montana State University, PO Box 173800, Bozeman, MT 59717-3800
| | - Ronald K. June
- Department of Mechanical and Industrial Engineering, Montana State University, PO Box 173800, Bozeman, MT 59717-3800
| |
Collapse
|
16
|
Issa R, Boeving M, Kinter M, Griffin TM. Effect of biomechanical stress on endogenous antioxidant networks in bovine articular cartilage. J Orthop Res 2018; 36:760-769. [PMID: 28892196 PMCID: PMC5839935 DOI: 10.1002/jor.23728] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 08/31/2017] [Indexed: 02/04/2023]
Abstract
Mechanosensitve pathways in chondrocytes are essential for maintaining articular cartilage homeostasis. Traumatic loading increases cartilage oxidation and causes cell death and osteoarthritis. However, sub-lethal doses of the pro-oxidant molecule tert-Butyl hydroperoxide (tBHP) protects against loading-induced chondrocyte death. We hypothesized that compressive cyclic loading at moderate strains (<20%) causes sub-lethal cartilage oxidation that induces an adaptive increase in the endogenous antioxidant defense network. We tested this hypothesis by subjecting healthy bovine articular cartilage explants to in vitro static or cyclic (1 Hz) compressive loading at 50 kPa (15% strain, "physiologic") versus 300 kPa (40% strain, "hyper-physiologic") for 12 h per day for 2 days. We also treated unloaded explants with 100 μM tBHP for 12 h per day for 2 days to differentiate between biomechanical and chemical pro-oxidant stimulation. All loading conditions induced glutathione oxidation relative to unloaded controls, but only the 50 kPa cyclic loading condition increased total glutathione content (twofold). This increase was associated with a greater expression of glutamate-cysteine ligase, the rate-limiting step in glutathione synthesis, compared to 300 kPa cyclic loading. 50 kPa cyclic loading also increased the expression of superoxide dismutase-1 and peroxiredoxin-3. Like 50 kPa loading, tBHP treatment also increased total glutathione content. However, tBHP treatment and 50 kPa cyclic loading differed in their effect on the expression of genes regulating antioxidant defense and cartilage matrix synthesis and degradation. These findings suggest that glutathione metabolism is a mechanosensitive antioxidant defense pathway in chondrocytes and that intermittent pro-oxidant treatment alone is insufficient to account for all changes in mediators of cartilage homeostasis associated with cyclic loading. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:760-769, 2018.
Collapse
Affiliation(s)
- Rita Issa
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Michael Boeving
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA
| | - Michael Kinter
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA,Department of Geriatric Medicine, Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Timothy M. Griffin
- Aging and Metabolism Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, USA,Department of Geriatric Medicine, Reynolds Oklahoma Center on Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA,Department of Biochemistry and Molecular Biology and Department of Physiology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| |
Collapse
|
17
|
Mueller AJ, Peffers MJ, Proctor CJ, Clegg PD. Systems approaches in osteoarthritis: Identifying routes to novel diagnostic and therapeutic strategies. J Orthop Res 2017; 35:1573-1588. [PMID: 28318047 PMCID: PMC5574007 DOI: 10.1002/jor.23563] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 03/06/2017] [Indexed: 02/04/2023]
Abstract
Systems orientated research offers the possibility of identifying novel therapeutic targets and relevant diagnostic markers for complex diseases such as osteoarthritis. This review demonstrates that the osteoarthritis research community has been slow to incorporate systems orientated approaches into research studies, although a number of key studies reveal novel insights into the regulatory mechanisms that contribute both to joint tissue homeostasis and its dysfunction. The review introduces both top-down and bottom-up approaches employed in the study of osteoarthritis. A holistic and multiscale approach, where clinical measurements may predict dysregulation and progression of joint degeneration, should be a key objective in future research. The review concludes with suggestions for further research and emerging trends not least of which is the coupled development of diagnostic tests and therapeutics as part of a concerted effort by the osteoarthritis research community to meet clinical needs. © 2017 The Authors. Journal of Orthopaedic Research Published by Wiley Periodicals, Inc. on behalf of Orthopaedic Research Society. J Orthop Res 35:1573-1588, 2017.
Collapse
Affiliation(s)
- Alan J. Mueller
- Faculty of Health and Life SciencesDepartment of Musculoskeletal BiologyInstitute of Ageing and Chronic DiseaseUniversity of LiverpoolWilliam Henry Duncan Building, 6 West Derby StreetLiverpoolL7 8TXUnited Kingdom
| | - Mandy J. Peffers
- Faculty of Health and Life SciencesDepartment of Musculoskeletal BiologyInstitute of Ageing and Chronic DiseaseUniversity of LiverpoolWilliam Henry Duncan Building, 6 West Derby StreetLiverpoolL7 8TXUnited Kingdom,The MRC‐Arthritis Research UK Centre for Integrated Research into Musculoskeletal Ageing (CIMA)LiverpoolUnited Kingdom
| | - Carole J. Proctor
- The MRC‐Arthritis Research UK Centre for Integrated Research into Musculoskeletal Ageing (CIMA)LiverpoolUnited Kingdom,Institute of Cellular MedicineNewcastle UniversityFramlington PlaceNewcastle upon TyneNE2 4HHUnited Kingdom
| | - Peter D. Clegg
- Faculty of Health and Life SciencesDepartment of Musculoskeletal BiologyInstitute of Ageing and Chronic DiseaseUniversity of LiverpoolWilliam Henry Duncan Building, 6 West Derby StreetLiverpoolL7 8TXUnited Kingdom,The MRC‐Arthritis Research UK Centre for Integrated Research into Musculoskeletal Ageing (CIMA)LiverpoolUnited Kingdom
| |
Collapse
|
18
|
Mobasheri A, Rayman MP, Gualillo O, Sellam J, van der Kraan P, Fearon U. The role of metabolism in the pathogenesis of osteoarthritis. Nat Rev Rheumatol 2017; 13:302-311. [PMID: 28381830 DOI: 10.1038/nrrheum.2017.50] [Citation(s) in RCA: 399] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Metabolism is important for cartilage and synovial joint function. Under adverse microenvironmental conditions, mammalian cells undergo a switch in cell metabolism from a resting regulatory state to a highly metabolically activate state to maintain energy homeostasis. This phenomenon also leads to an increase in metabolic intermediates for the biosynthesis of inflammatory and degradative proteins, which in turn activate key transcription factors and inflammatory signalling pathways involved in catabolic processes, and the persistent perpetuation of drivers of pathogenesis. In the past few years, several studies have demonstrated that metabolism has a key role in inflammatory joint diseases. In particular, metabolism is drastically altered in osteoarthritis (OA) and aberrant immunometabolism may be a key feature of many phenotypes of OA. This Review focuses on aberrant metabolism in the pathogenesis of OA, summarizing the current state of knowledge on the role of impaired metabolism in the cells of the osteoarthritic joint. We also highlight areas for future research, such as the potential to target metabolic pathways and mediators therapeutically.
Collapse
Affiliation(s)
- Ali Mobasheri
- Department of Veterinary Preclinical Sciences, School of Veterinary Medicine, Faculty of Health and Medical Sciences University of Surrey, Guildford GU2 7AL, UK.,Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis and MRC Arthritis Research UK Centre for Musculoskeletal Ageing Research, Queen's Medical Centre, Nottingham NG7 2UH, UK
| | - Margaret P Rayman
- Department of Nutritional Sciences, School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, UK
| | - 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, Travesia da Choupana S/N, Santiago de Compostela 15706, Spain
| | - Jérémie Sellam
- Department of Rheumatology, Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Saint-Antoine Hospital, Assistance Publique-Hôpitaux de Paris (APHP), 184 Rue de Faubourg Saint-Antoine, 75012 Paris, France.,Inflammation-Immunopathology-Biotherapy Department (DHU i2B), INSERM, UMR S938, Sorbonne University, University of Paris 6, 75005 Paris, France
| | - Peter van der Kraan
- Department of Rheumatology, Experimental Rheumatology, Radboud University Medical Center, Geert Grooteplein 26-28, 6500 HB Nijmegen, Netherlands
| | - Ursula Fearon
- Department of Molecular Rheumatology, Trinity College Dublin, University of Dublin, College Green, Dublin 2, Ireland
| |
Collapse
|