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Turnbull J, Jha RR, Gowler PRW, Ferrands-Bentley R, Kim DH, Barrett DA, Sarmanova A, Fernandes GS, Doherty M, Zhang W, Walsh DA, Valdes AM, Chapman V. Serum levels of hydroxylated metabolites of arachidonic acid cross-sectionally and longitudinally predict knee pain progression: an observational cohort study. Osteoarthritis Cartilage 2024:S1063-4584(24)01157-9. [PMID: 38648876 DOI: 10.1016/j.joca.2024.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 04/11/2024] [Accepted: 04/11/2024] [Indexed: 04/25/2024]
Abstract
OBJECTIVE To examine associations between serum oxylipins, which regulate tissue repair and pain signalling, and knee pain/radiographic osteoarthritis (OA) at baseline and knee pain at 3 year follow-up. METHOD Baseline, and 3 year follow-up, knee pain phenotypes were assessed from 154 participants in the Knee Pain in the Community (KPIC) cohort study. Serum and radiographic Kellgren and Lawrence (KL) and Nottingham line drawing atlas OA scores were collected at baseline. Oxylipin levels were quantified using liquid chromatography coupled with mass spectrometry. Associations were measured by linear regression and receiver operating characteristics (ROC). RESULTS Serum levels of 8,9-epoxyeicosatrienoic acid (EET) (β(95% confidence intervals (CI)) = 1.809 (-0.71 to 2.91)), 14,15-dihydroxyeicosatrienoic acid (DHET) (β(95%CI) = 0.827 (0.34-1.31)), and 12-hydroxyeicosatetraenoic acid (HETE) (β(95%CI) = 4.090 (1.92-6.26)) and anandamide (β(95%CI) = 3.060 (1.35-4.77)) were cross-sectionally associated with current self-reported knee pain scores (numerical rating scale (NRS) item 3, average pain). Serum levels of 9- (β(95%CI) = 0.467 (0.18-0.75)) and 15-HETE (β(95%CI) = 0.759 (0.29-1.22)), 14-hydroxydocosahexaenoic acid (β(95%CI) = 0.483(0.24-0.73)), and the ratio of 8,9-EET:DHET (β(95%CI) = 0.510(0.19-0.82)) were cross-sectionally associated with KL scores. Baseline serum concentrations of 8,9-EET (β(95%CI) = 2.166 (0.89-3.44)), 5,6-DHET (β(95%CI) = 152.179 (69.39-234.97)), and 5-HETE (β(95%CI) = 1.724 (0.677-2.77) showed positive longitudinal associations with follow-up knee pain scores (NRS item 3, average pain). Combined serum 8,9-EET and 5-HETE concentration showed the strongest longitudinal association (β(95%CI) = 1.156 (0.54-1.77) with pain scores at 3 years, and ROC curves distinguished between participants with no pain and high pain scores at follow-up (area under curve (95%CI) = 0.71 (0.61-0.82)). CONCLUSIONS Serum levels of a combination of hydroxylated metabolites of arachidonic acid may have prognostic utility for knee pain, providing a potential novel approach to identify people who are more likely to have debilitating pain in the future.
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Affiliation(s)
- James Turnbull
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom; Centre for Analytical Bioscience, Advanced Materials and Healthcare Technology Division, School of Pharmacy, University of Nottingham, Nottingham, United Kingdom; School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom.
| | - Rakesh R Jha
- NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom; Centre for Analytical Bioscience, Advanced Materials and Healthcare Technology Division, School of Pharmacy, University of Nottingham, Nottingham, United Kingdom.
| | - Peter R W Gowler
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom.
| | - Rose Ferrands-Bentley
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham, United Kingdom.
| | - Dong-Hyun Kim
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom; Centre for Analytical Bioscience, Advanced Materials and Healthcare Technology Division, School of Pharmacy, University of Nottingham, Nottingham, United Kingdom.
| | - David A Barrett
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom; Centre for Analytical Bioscience, Advanced Materials and Healthcare Technology Division, School of Pharmacy, University of Nottingham, Nottingham, United Kingdom.
| | - Aliya Sarmanova
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham, United Kingdom.
| | - Gwen S Fernandes
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham, United Kingdom.
| | - Michael Doherty
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom; Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham, United Kingdom.
| | - Weiya Zhang
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom; Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham, United Kingdom.
| | - David A Walsh
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom; Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham, United Kingdom.
| | - Ana M Valdes
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom; Academic Rheumatology, School of Medicine, University of Nottingham, Nottingham, United Kingdom.
| | - Victoria Chapman
- Pain Centre Versus Arthritis, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom; NIHR Nottingham Biomedical Research Centre, University of Nottingham, Nottingham, United Kingdom; School of Life Sciences, University of Nottingham, Medical School, Queen's Medical Centre, Nottingham, United Kingdom.
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Gowler PRW, Turnbull J, Shahtaheri M, Walsh DA, Barrett DA, Chapman V. Interplay between cellular changes in the knee joint, circulating lipids and pain behaviours in a slowly progressing murine model of osteoarthritis. Eur J Pain 2022; 26:2213-2226. [PMID: 36097797 PMCID: PMC9826505 DOI: 10.1002/ejp.2036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 08/26/2022] [Accepted: 09/10/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND Synovial inflammation has known contributions to chronic osteoarthritis (OA) pain, but the potential role in transitions from early to late stages of OA pain is unclear. METHODS The slowly progressing surgical destabilization of the medial meniscus (DMM) murine OA model and sham control, was used in male C57BL/6J mice to investigate the interplay between knee inflammation, plasma pro- and anti-inflammatory oxylipins and pain responses during OA progression. Changes in joint histology, macrophage infiltration, chemokine receptor CX3CR1 expression, weight bearing asymmetry, and paw withdrawal thresholds were quantified 4, 8 and 16 weeks after surgery. Plasma levels of multiple bioactive lipid mediators were quantified using liquid chromatography with tandem mass-spectrometry (LC-MS/MS). RESULTS Structural joint damage was evident at 8 weeks post-DMM surgery onwards. At 16 weeks post-DMM surgery, synovial scores, numbers of CD68 and CD206 positive macrophages and pain responses were significantly increased. Plasma levels of oxylipins were negatively correlated with joint damage and synovitis scores at 4 and 8 weeks post-DMM surgery. Higher circulating levels of the pro-resolving oxylipin pre-cursor 17-HDHA were associated with lower weight bearing asymmetry at week 16. CONCLUSIONS The transition to chronic OA pathology and pain is likely influenced by both joint inflammation and plasma oxylipin mediators of inflammation and levels of pro-resolution molecules. SIGNIFICANCE Using a slow progressing surgical model of osteoarthritis we show how the changing balance between local and systemic inflammation may be of importance in the progression of pain behaviours during the transition to chronic osteoarthritis pain.
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Affiliation(s)
- Peter R. W. Gowler
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Life SciencesUniversity of NottinghamNottinghamUK
| | - James Turnbull
- Centre for Analytical Bioscience, Advanced Materials and Healthcare Technologies Division, School of PharmacyUniversity of NottinghamNottinghamUK
| | - Mohsen Shahtaheri
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of MedicineUniversity of NottinghamNottinghamUK
| | - David A. Walsh
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of MedicineUniversity of NottinghamNottinghamUK
| | - David A. Barrett
- Centre for Analytical Bioscience, Advanced Materials and Healthcare Technologies Division, School of PharmacyUniversity of NottinghamNottinghamUK
| | - Victoria Chapman
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Life SciencesUniversity of NottinghamNottinghamUK
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Gowler PRW, Turnbull J, Shahtaheri M, Gohir S, Kelly T, McReynolds C, Yang J, Jha RR, Fernandes GS, Zhang W, Doherty M, Walsh DA, Hammock BD, Valdes AM, Barrett DA, Chapman V. Clinical and Preclinical Evidence for Roles of Soluble Epoxide Hydrolase in Osteoarthritis Knee Pain. Arthritis Rheumatol 2022; 74:623-633. [PMID: 34672113 PMCID: PMC8957539 DOI: 10.1002/art.42000] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 09/14/2021] [Accepted: 10/07/2021] [Indexed: 11/07/2022]
Abstract
OBJECTIVE Chronic pain due to osteoarthritis (OA) is a major clinical problem, and existing analgesics often have limited beneficial effects and/or adverse effects, necessitating the development of novel therapies. Epoxyeicosatrienoic acids (EETs) are endogenous antiinflammatory mediators, rapidly metabolized by soluble epoxide hydrolase (EH) to dihydroxyeicosatrienoic acids (DHETs). We undertook this study to assess whether soluble EH-driven metabolism of EETs to DHETs plays a critical role in chronic joint pain associated with OA and provides a new target for treatment. METHODS Potential associations of chronic knee pain with single-nucleotide polymorphisms (SNPs) in the gene-encoding soluble EH and with circulating levels of EETs and DHETs were investigated in human subjects. A surgically induced murine model of OA was used to determine the effects of both acute and chronic selective inhibition of soluble EH by N-[1-(1-oxopropy)-4-piperidinyl]-N'-(trifluoromethoxy)phenyl]-urea (TPPU) on weight-bearing asymmetry, hind paw withdrawal thresholds, joint histology, and circulating concentrations of EETs and DHETs. RESULTS In human subjects with chronic knee pain, 3 pain measures were associated with SNPs of the soluble EH gene EPHX2, and in 2 separate cohorts of subjects, circulating levels of EETs and DHETs were also associated with 3 pain measures. In the murine OA model, systemic administration of TPPU both acutely and chronically reversed established pain behaviors and decreased circulating levels of 8,9-DHET and 14,15-DHET. EET levels were unchanged by TPPU administration. CONCLUSION Our novel findings support a role of soluble EH in OA pain and suggest that inhibition of soluble EH and protection of endogenous EETs from catabolism represents a potential new therapeutic target for OA pain.
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Affiliation(s)
- Peter R. W. Gowler
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Life Sciences. University of Nottingham, UK
| | - James Turnbull
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Life Sciences. University of Nottingham, UK
- Centre for Analytical Bioscience, Advanced Materials and Healthcare Technologies Division, School of Pharmacy. University of Nottingham, UK
| | - Mohsen Shahtaheri
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Medicine. University of Nottingham, UK
| | - Sameer Gohir
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Medicine. University of Nottingham, UK
| | - Tony Kelly
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Medicine. University of Nottingham, UK
| | - Cindy McReynolds
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Centre, University of California, Davis, USA
| | - Jun Yang
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Centre, University of California, Davis, USA
| | - Rakesh R. Jha
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Life Sciences. University of Nottingham, UK
- Centre for Analytical Bioscience, Advanced Materials and Healthcare Technologies Division, School of Pharmacy. University of Nottingham, UK
| | - Gwen S. Fernandes
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Medicine. University of Nottingham, UK
| | - Weiya Zhang
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Medicine. University of Nottingham, UK
| | - Michael Doherty
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Medicine. University of Nottingham, UK
| | - David A. Walsh
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Medicine. University of Nottingham, UK
| | - Bruce D. Hammock
- Department of Entomology and Nematology, UC Davis Comprehensive Cancer Centre, University of California, Davis, USA
| | - Ana. M. Valdes
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Medicine. University of Nottingham, UK
| | - David A. Barrett
- Centre for Analytical Bioscience, Advanced Materials and Healthcare Technologies Division, School of Pharmacy. University of Nottingham, UK
| | - Victoria Chapman
- Pain Centre Versus Arthritis and NIHR Nottingham Biomedical Research Centre, School of Life Sciences. University of Nottingham, UK
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Gowler PRW, Mapp PI, Burston JJ, Shahtaheri M, Walsh DA, Chapman V. Refining surgical models of osteoarthritis in mice and rats alters pain phenotype but not joint pathology. PLoS One 2020; 15:e0239663. [PMID: 32991618 PMCID: PMC7523978 DOI: 10.1371/journal.pone.0239663] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 09/10/2020] [Indexed: 11/18/2022] Open
Abstract
The relationship between osteoarthritis (OA) structural change and pain is complex. Surgical models of OA in rodents are often rapid in onset, limiting mechanistic utility and translational validity. We aimed to investigate the effect of refining surgical small rodent models of OA on both joint pathology and pain behaviour. Adult male C57BL/6 mice (n = 76, 10-11 weeks of age at time of surgery) underwent either traditional (transection of the medial meniscotibial ligament [MMTL]) or modified (MMTL left intact, transection of the coronary ligaments) DMM surgery, or sham surgery. Adult male Sprague Dawley rats (n = 76, weight 175-199g) underwent either modified meniscal transection (MMNX) surgery (transection of the medial meniscus whilst the medial collateral ligament is left intact) or sham surgery. Pain behaviours (weight bearing asymmetry [in mice and rats] and paw withdrawal thresholds [in rats]) were measured pre-surgery and weekly up to 16 weeks post-surgery. Post-mortem knee joints were scored for cartilage damage, synovitis, and osteophyte size. There was a significant increase in weight bearing asymmetry from 13 weeks following traditional, but not modified, DMM surgery when compared to sham operated mice. Both traditional and modified DMM surgery led to similar joint pathology. There was significant pain behaviour from 6 weeks following MMNX model compared to sham operated control rats. Synovitis was significant 4 weeks after MMNX surgery, whereas significant chondropathy was first evident 8 weeks post-surgery, compared to sham controls. Pain behaviour is not always present despite significant changes in medial tibial plateau cartilage damage and synovitis, reflecting the heterogeneity seen in human OA. The development of a slowly progressing surgical model of OA pain in the rat suggests that synovitis precedes pain behaviour and that chondropathy is evident later, providing the foundations for future mechanistic studies into the disease.
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Affiliation(s)
- Peter R. W. Gowler
- Pain Centre Versus Arthritis, School of Life Sciences, Queen’s Medical Centre, University of Nottingham, Nottingham, United Kingdom
| | - Paul I. Mapp
- Pain Centre Versus Arthritis, Academic Rheumatology, City Hospital, University of Nottingham, Nottingham, United Kingdom
| | - James J. Burston
- Pain Centre Versus Arthritis, School of Life Sciences, Queen’s Medical Centre, University of Nottingham, Nottingham, United Kingdom
| | - Mohsen Shahtaheri
- Pain Centre Versus Arthritis, Academic Rheumatology, City Hospital, University of Nottingham, Nottingham, United Kingdom
| | - David A. Walsh
- Pain Centre Versus Arthritis, Academic Rheumatology, City Hospital, University of Nottingham, Nottingham, United Kingdom
| | - Victoria Chapman
- Pain Centre Versus Arthritis, School of Life Sciences, Queen’s Medical Centre, University of Nottingham, Nottingham, United Kingdom
- * E-mail:
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Pousinis P, Gowler PRW, Burston JJ, Ortori CA, Chapman V, Barrett DA. Lipidomic identification of plasma lipids associated with pain behaviour and pathology in a mouse model of osteoarthritis. Metabolomics 2020; 16:32. [PMID: 32108917 PMCID: PMC7046574 DOI: 10.1007/s11306-020-01652-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 02/19/2020] [Indexed: 12/22/2022]
Abstract
INTRODUCTION Osteoarthritis (OA) is the most common form of joint disease, causing pain and disability. Previous studies have demonstrated the role of lipid mediators in OA pathogenesis. OBJECTIVES To explore potential alterations in the plasma lipidomic profile in an established mouse model of OA, with a view to identification of potential biomarkers of pain and/or pathology. METHODS Pain behaviour was assessed following destabilisation of the medial meniscus (DMM) model of OA (n = 8 mice) and compared to sham controls (n = 7). Plasma and knee joints were collected at 16 weeks post-surgery. Plasma samples were analysed using ultra-high performance liquid chromatography accurate mass high resolution mass spectrometry (UHPLC-HR-MS) to identify potential differences in the lipidome, using multivariate and univariate statistical analyses. Correlations between pain behaviour, joint pathology and levels of lipids were investigated. RESULTS 24 lipids, predominantly from the lipid classes of cholesterol esters (CE), fatty acids (FA), phosphatidylcholines (PC), N-acylethanolamines (NAE) and sphingomyelins (SM), were differentially expressed in DMM plasma compared to sham plasma. Six of these lipids which were increased in the DMM model were identified as CE(18:2), CE(20:4), CE(22:6), PC(18:0/18:2), PC(38:7) and SM(d34:1). CEs were positively correlated with pain behaviour and all six lipid species were positively correlated with cartilage damage. Pathways shown to be involved in altered lipid homeostasis in OA were steroid biosynthesis and sphingolipid metabolism. CONCLUSION We identify plasma lipid species associated with pain and/or pathology in a DMM model of OA.
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Affiliation(s)
- P Pousinis
- Centre for Analytical Bioscience, Advanced Materials and Healthcare Technology Division, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - P R W Gowler
- Pain Centre Versus Arthritis, University of Nottingham, Nottingham, UK
- School of Life Sciences, University of Nottingham, Nottingham, UK
| | - J J Burston
- Pain Centre Versus Arthritis, University of Nottingham, Nottingham, UK
- School of Life Sciences, University of Nottingham, Nottingham, UK
| | - C A Ortori
- Centre for Analytical Bioscience, Advanced Materials and Healthcare Technology Division, School of Pharmacy, University of Nottingham, Nottingham, UK
| | - V Chapman
- Pain Centre Versus Arthritis, University of Nottingham, Nottingham, UK.
- School of Life Sciences, University of Nottingham, Nottingham, UK.
| | - D A Barrett
- Centre for Analytical Bioscience, Advanced Materials and Healthcare Technology Division, School of Pharmacy, University of Nottingham, Nottingham, UK
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