Outputs (37)

The rat osteoarthritis bone score for histological pathology relevant to human bone marrow lesions and pain (2024)
Journal Article
McWilliams, D. F., Shahtaheri, M., Koushesh, S., Joseph, C., Gowler, P. R., Xu, L., Chapman, V., Sofat, N., & Walsh, D. A. (2025). The rat osteoarthritis bone score for histological pathology relevant to human bone marrow lesions and pain. Osteoarthritis and Cartilage Open, 7(1), Article 100544. https://doi.org/10.1016/j.ocarto.2024.100544

Objectives
Histological osteochondral characteristics of inflammation, fibrosis, vascularity, cartilage islands, vessels entering cartilage, thickened trabeculae and cysts are associated with bone marrow lesions (BMLs) in human knee osteoarthritis (... Read More about The rat osteoarthritis bone score for histological pathology relevant to human bone marrow lesions and pain.

Immunomodulation and fibroblast dynamics driving nociceptive joint pain within inflammatory synovium: Unravelling mechanisms for therapeutic advancements in osteoarthritis (2024)
Journal Article
Wijesinghe, S. N., Ditchfield, C., Flynn, S., Agrawal, J., Davis, E. T., Dajas-Bailador, F., Chapman, V., & Jones, S. W. (2024). Immunomodulation and fibroblast dynamics driving nociceptive joint pain within inflammatory synovium: Unravelling mechanisms for therapeutic advancements in osteoarthritis. Osteoarthritis and Cartilage, 32(11), 1358-1370. https://doi.org/10.1016/j.joca.2024.06.011

Objective
Synovitis is a widely accepted sign of osteoarthritis (OA), characterised by tissue hyperplasia, where increased infiltration of immune cells and proliferation of resident fibroblasts adopt a pro-inflammatory phenotype, and increased the p... Read More about Immunomodulation and fibroblast dynamics driving nociceptive joint pain within inflammatory synovium: Unravelling mechanisms for therapeutic advancements in osteoarthritis.

Modelling the role of enzymatic pathways in the metabolism of docosahexaenoic acid by monocytes and its association with osteoarthritic pain (2024)
Journal Article
Franks, S. J., Gowler, P. R., Dunster, J. L., Turnbull, J., Gohir, S. A., Kelly, A., Valdes, A. M., King, J. R., Barrett, D. A., Chapman, V., & Preston, S. (2024). Modelling the role of enzymatic pathways in the metabolism of docosahexaenoic acid by monocytes and its association with osteoarthritic pain. Mathematical Biosciences, 374, Article 109228. https://doi.org/10.1016/j.mbs.2024.109228

Chronic pain is a major cause of disability and suffering in osteoarthritis (OA) patients. Endogenous specialised pro-resolving molecules (SPMs) curtail pro-inflammatory responses. One of the SPM intermediate oxylipins, 17-hydroxydocasahexaenoic acid... Read More about Modelling the role of enzymatic pathways in the metabolism of docosahexaenoic acid by monocytes and its association with osteoarthritic pain.

Serum levels of hydroxylated metabolites of arachidonic acid cross-sectionally and longitudinally predict knee pain progression: an observational cohort study (2024)
Journal Article
Turnbull, J., Jha, R. R., Gowler, P. R., Ferrands-Bentley, R., Kim, D.-H., Barrett, D. A., Sarmanova, A., Fernandes, G. S., Doherty, M., Zhang, W., Walsh, D. A., Valdes, A. M., & Chapman, V. (2024). Serum levels of hydroxylated metabolites of arachidonic acid cross-sectionally and longitudinally predict knee pain progression: an observational cohort study. Osteoarthritis and Cartilage, 32(8), 990-1000. https://doi.org/10.1016/j.joca.2024.04.006

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, kne... Read More about Serum levels of hydroxylated metabolites of arachidonic acid cross-sectionally and longitudinally predict knee pain progression: an observational cohort study.

The rat Osteoarthritis Bone Score: a new histological system for scoring subchondral pathology in rat knees analogous to histological correlates of human OA bone marrow lesions (2024)
Presentation / Conference Contribution
McWilliams, D. F., Shahtaheri, M., Koushesh, S., Joseph, C., Gowler, P., Chapman, V., Sofat, N., & Walsh, D. A. The rat Osteoarthritis Bone Score: a new histological system for scoring subchondral pathology in rat knees analogous to histological correlates of human OA bone marrow lesions. Presented at 2024 OARSI World Congress on Osteoarthritis, Vienna, Austria

Purpose (the aim of the study): Bone marrow lesions (BMLs) are detected by MRI in the in human osteoarthritis (OA) subchondral bone and associated with pain. We previously described 7 histological features associated with BMLs from which we developed... Read More about The rat Osteoarthritis Bone Score: a new histological system for scoring subchondral pathology in rat knees analogous to histological correlates of human OA bone marrow lesions.

Sustained morphine exposure alters spinal NMDA receptor and astrocyte expression and exacerbates chronic pain behavior in female rats (2024)
Journal Article
Gonçalves, S. V., Woodhams, S. G., Li, L., Hathway, G. J., & Chapman, V. (2024). Sustained morphine exposure alters spinal NMDA receptor and astrocyte expression and exacerbates chronic pain behavior in female rats. PAIN Reports, 9(2), Article e1145. https://doi.org/10.1097/pr9.0000000000001145

IntroductionSustained opioid use has long-term negative impacts on future pain experience, particularly in women. This study aimed to investigate the underlying spinal neurobiology of this clinical observation in an experimental model of joint pain.O... Read More about Sustained morphine exposure alters spinal NMDA receptor and astrocyte expression and exacerbates chronic pain behavior in female rats.

No Evidence for Cognitive Impairment in an Experimental Rat Model of Knee Osteoarthritis and Associated Chronic Pain (2023)
Journal Article
Gonçalves, S., Hathway, G. J., Woodhams, S. G., Chapman, V., & Bast, T. (2023). No Evidence for Cognitive Impairment in an Experimental Rat Model of Knee Osteoarthritis and Associated Chronic Pain. Journal of Pain, 24(8), 1478-1492. https://doi.org/10.1016/j.jpain.2023.04.002

Although chronic pain states have been associated with impaired cognitive functions, including memory and cognitive flexibility, the cognitive effects of osteoarthritis (OA) pain remain to be clarified. The aim of this study was to measure cognitive... Read More about No Evidence for Cognitive Impairment in an Experimental Rat Model of Knee Osteoarthritis and Associated Chronic Pain.

Evaluation of cannabidiol nanoparticles and nanoemulsion biodistribution in the central nervous system after intrathecal administration for the treatment of pain (2023)
Journal Article
Muresan, P., Woodhams, S., Smith, F., Taresco, V., Shah, J., Wong, M., Chapman, V., Smith, S., Hathway, G., Rahman, R., Gershkovich, P., & Marlow, M. (2023). Evaluation of cannabidiol nanoparticles and nanoemulsion biodistribution in the central nervous system after intrathecal administration for the treatment of pain. Nanomedicine: Nanotechnology, Biology and Medicine, 49, Article 102664. https://doi.org/10.1016/j.nano.2023.102664

We investigated how the biodistribution of cannabidiol (CBD) within the central nervous system (CNS) is influenced by two different formulations, an oil-in-water (O/W) nanoemulsion and polymer-coated nanoparticles (PCNPs). We observed that both CBD f... Read More about Evaluation of cannabidiol nanoparticles and nanoemulsion biodistribution in the central nervous system after intrathecal administration for the treatment of pain.

Clinical and Preclinical Evidence for Roles of Soluble Epoxide Hydrolase in Osteoarthritis Knee Pain (2022)
Journal Article
Gowler, P. R. W., Turnbull, J., Shahtaheri, M., Gohir, S., Kelly, T., McReynolds, C., Yang, J., Jha, R. R., Fernandes, G. S., Zhang, W., Doherty, M., Walsh, D. A., Hammock, B. D., Valdes, A. M., Barrett, D. A., & Chapman, V. (2022). Clinical and Preclinical Evidence for Roles of Soluble Epoxide Hydrolase in Osteoarthritis Knee Pain. Arthritis and Rheumatology, 74(4), 623-633. https://doi.org/10.1002/art.42000

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) a... Read More about Clinical and Preclinical Evidence for Roles of Soluble Epoxide Hydrolase in Osteoarthritis Knee Pain.

Serum Levels of Proinflammatory Lipid Mediators and Specialized Proresolving Molecules Are Increased in Patients With Severe Acute Respiratory Syndrome Coronavirus 2 and Correlate With Markers of the Adaptive Immune Response (2022)
Journal Article
Turnbull, J., Jha, R. R., Ortori, C. A., Lunt, E., Tighe, P. J., Irving, W. L., Gohir, S. A., Kim, D.-H., Valdes, A. M., Tarr, A. W., Barrett, D. A., & Chapman, V. (2022). Serum Levels of Proinflammatory Lipid Mediators and Specialized Proresolving Molecules Are Increased in Patients With Severe Acute Respiratory Syndrome Coronavirus 2 and Correlate With Markers of the Adaptive Immune Response. Journal of Infectious Diseases, 225(12), 2142-2154. https://doi.org/10.1093/infdis/jiab632

BACKGROUND: Specialized proresolution molecules (SPMs) halt the transition to chronic pathogenic inflammation. We aimed to quantify serum levels of pro- and anti-inflammatory bioactive lipids in severe acute respiratory syndrome coronavirus 2 (SARS-C... Read More about Serum Levels of Proinflammatory Lipid Mediators and Specialized Proresolving Molecules Are Increased in Patients With Severe Acute Respiratory Syndrome Coronavirus 2 and Correlate With Markers of the Adaptive Immune Response.