Skip to main content

Research Repository

Advanced Search

All Outputs (70)

Serum Metabolome Analysis Identified Amino-Acid Metabolism Associated With Pain in People With Symptomatic Knee Osteoarthritis – A Cross-Sectional Study (2023)
Journal Article
Mehta, O., Vijay, A., Gohir, S. A., Kelly, T., Zhang, W., Doherty, M., …Valdes, A. M. (2023). Serum Metabolome Analysis Identified Amino-Acid Metabolism Associated With Pain in People With Symptomatic Knee Osteoarthritis – A Cross-Sectional Study. Journal of Pain, https://doi.org/10.1016/j.jpain.2023.02.023

Osteoarthritis (OA) is the most common arthritis affecting synovial joints such as knees and hips of millions of people globally. Usage-related joint pain and reduced function are the most common symptoms experienced by people with OA. To improve pai... Read More about Serum Metabolome Analysis Identified Amino-Acid Metabolism Associated With Pain in People With Symptomatic Knee Osteoarthritis – A Cross-Sectional Study.

Medio-dorsal thalamic dysconnectivity in chronic knee pain: A possible mechanism for negative affect and pain comorbidity (2022)
Journal Article
Iwabuchi, S. J., Drabek, M. M., Cottam, W. J., Tadjibaev, A., Mohammadi-Nejad, A. R., Sotiropoulos, S., …Auer, D. P. (2022). Medio-dorsal thalamic dysconnectivity in chronic knee pain: A possible mechanism for negative affect and pain comorbidity. European Journal of Neuroscience, 57(2), 373-387. https://doi.org/10.1111/ejn.15880

The reciprocal interaction between pain and negative affect is acknowledged but pain-related alterations in brain circuits involved in this interaction, such as the mediodorsal thalamus (MDThal), still require a better understanding. We sought to inv... Read More about Medio-dorsal thalamic dysconnectivity in chronic knee pain: A possible mechanism for negative affect and pain comorbidity.

How people wake up is associated with previous night’s sleep together with physical activity and food intake (2022)
Journal Article
Vallat, R., Berry, S. E., Tsereteli, N., Capdevila, J., Khatib, H. A., Valdes, A. M., …Walker, M. P. (2022). How people wake up is associated with previous night’s sleep together with physical activity and food intake. Nature Communications, 13(1), Article 7116. https://doi.org/10.1038/s41467-022-34503-2

How people wake up and regain alertness in the hours after sleep is related to how they are sleeping, eating, and exercising. Here, in a prospective longitudinal study of 833 twins and genetically unrelated adults, we demonstrate that how effectively... Read More about How people wake up is associated with previous night’s sleep together with physical activity and food intake.

Postprandial Responses to a Standardised Meal in Hypertension: The Mediatory Role of Visceral Fat Mass (2022)
Journal Article
Louca, P., Berry, S. E., Bermingham, K., Franks, P. W., Wolf, J., Spector, T. D., …Menni, C. (2022). Postprandial Responses to a Standardised Meal in Hypertension: The Mediatory Role of Visceral Fat Mass. Nutrients, 14(21), Article 4499. https://doi.org/10.3390/nu14214499

Postprandial insulinaemia, triglyceridaemia and measures of inflammation are thought to be more closely associated with cardiovascular risk than fasting measures. Although hypertension is associated with altered fasting metabolism, it is unknown as t... Read More about Postprandial Responses to a Standardised Meal in Hypertension: The Mediatory Role of Visceral Fat Mass.

Menopause is associated with postprandial metabolism, metabolic health and lifestyle: The ZOE PREDICT study (2022)
Journal Article
Bermingham, K. M., Linenberg, I., Hall, W. L., Kadé, K., Franks, P. W., Davies, R., …Berry, S. E. (2022). Menopause is associated with postprandial metabolism, metabolic health and lifestyle: The ZOE PREDICT study. EBioMedicine, 85, Article 104303. https://doi.org/10.1016/j.ebiom.2022.104303

Background: The menopause transition is associated with unfavourable alterations in health. However, postprandial metabolic changes and their mediating factors are poorly understood. Methods: The PREDICT 1 UK cohort (n=1002; pre- n=366, peri- n=5... Read More about Menopause is associated with postprandial metabolism, metabolic health and lifestyle: The ZOE PREDICT study.

Harmonising knee pain patient-reported outcomes: a systematic literature review and meta-analysis of Patient Acceptable Symptom State (PASS) and individual participant data (IPD) (2022)
Journal Article
Georgopoulos, V., Smith, S., McWilliams, D. F., Steultjens, M. P. M., Williams, A., Price, A., …Walsh, D. A. (2023). Harmonising knee pain patient-reported outcomes: a systematic literature review and meta-analysis of Patient Acceptable Symptom State (PASS) and individual participant data (IPD). Osteoarthritis and Cartilage, 31(1), 83-95. https://doi.org/10.1016/j.joca.2022.08.011

Objective: In order to facilitate data pooling between studies, we explored harmonisation of patient-reported outcome measures (PROMs) in people with knee pain due to osteoarthritis or knee trauma, using the Patient Acceptable Symptom State scores (P... Read More about Harmonising knee pain patient-reported outcomes: a systematic literature review and meta-analysis of Patient Acceptable Symptom State (PASS) and individual participant data (IPD).

Development of Food Group Tree-Based Analysis and Its Association with Non-Alcoholic Fatty Liver Disease (NAFLD) and Co-Morbidities in a South Indian Population: A Large Case-Control Study (2022)
Journal Article
Vijay, A., Al-Awadi, A., Chalmers, J., Balakumaran, L., Grove, J. I., Valdes, A. M., …Aithal, G. P. (2022). Development of Food Group Tree-Based Analysis and Its Association with Non-Alcoholic Fatty Liver Disease (NAFLD) and Co-Morbidities in a South Indian Population: A Large Case-Control Study. Nutrients, 14(14), Article 2808. https://doi.org/10.3390/nu14142808

Background: Non-alcoholic fatty liver disease (NAFLD) is a global problem growing in parallel to the epidemics of obesity and diabetes, with South Asians being particularly susceptible. Nutrition and behaviour are important modifiers of the disease,... Read More about Development of Food Group Tree-Based Analysis and Its Association with Non-Alcoholic Fatty Liver Disease (NAFLD) and Co-Morbidities in a South Indian Population: A Large Case-Control Study.

Effect of a 2-week interruption in methotrexate treatment versus continued treatment on COVID-19 booster vaccine immunity in adults with inflammatory conditions (VROOM study): a randomised, open label, superiority trial (2022)
Journal Article
Abhishek, A., Boyton, R. J., Peckham, N., McKnight, Á., Coates, L. C., Bluett, J., …Cook, J. A. (2022). Effect of a 2-week interruption in methotrexate treatment versus continued treatment on COVID-19 booster vaccine immunity in adults with inflammatory conditions (VROOM study): a randomised, open label, superiority trial. Lancet Respiratory Medicine, 10(9), 840-850. https://doi.org/10.1016/S2213-2600%2822%2900186-2

Background: Immunosuppressive treatments inhibit vaccine-induced immunity against SARS-CoV-2. We evaluated whether a 2-week interruption of methotrexate treatment immediately after the COVID-19 vaccine booster improved antibody responses against the... Read More about Effect of a 2-week interruption in methotrexate treatment versus continued treatment on COVID-19 booster vaccine immunity in adults with inflammatory conditions (VROOM study): a randomised, open label, superiority trial.

A Hybrid Architecture (CO-CONNECT) to Facilitate Rapid Discovery and Access to Data Across the United Kingdom in Response to the COVID-19 Pandemic: Development Study (2022)
Journal Article
Jefferson, E., Cole, C., Mumtaz, S., Cox, S., Giles, T., Adejumo, S., …Quinlan, P. (2022). A Hybrid Architecture (CO-CONNECT) to Facilitate Rapid Discovery and Access to Data Across the United Kingdom in Response to the COVID-19 Pandemic: Development Study. Journal of Medical Internet Research, 24(12), Article e40035. https://doi.org/10.2196/40035

Background: COVID-19 data have been generated across the United Kingdom as a by-product of clinical care and public health provision, as well as numerous bespoke and repurposed research endeavors. Analysis of these data has underpinned the United Ki... Read More about A Hybrid Architecture (CO-CONNECT) to Facilitate Rapid Discovery and Access to Data Across the United Kingdom in Response to the COVID-19 Pandemic: Development Study.

Effects of temporarily suspending low-dose methotrexate treatment for 2 weeks after SARS-CoV-2 vaccine booster on vaccine response in immunosuppressed adults with inflammatory conditions: protocol for a multicentre randomised controlled trial and nested mechanistic substudy (Vaccine Response On/Off Methotrexate (VROOM) study) (2022)
Journal Article
Abhishek, A., Boyton, R. J., McKnight, Á., Coates, L. C., Bluett, J., Barber, V., …Cook, J. A. (2022). Effects of temporarily suspending low-dose methotrexate treatment for 2 weeks after SARS-CoV-2 vaccine booster on vaccine response in immunosuppressed adults with inflammatory conditions: protocol for a multicentre randomised controlled trial and nested mechanistic substudy (Vaccine Response On/Off Methotrexate (VROOM) study). BMJ Open, 12(5), Article e062599. https://doi.org/10.1136/bmjopen-2022-062599

Introduction It is unknown if a temporary break in long-term immune-suppressive treatment after vaccination against COVID-19 improves vaccine response. The objective of this study was to evaluate if a 2-week interruption in low-dose weekly methotrexa... Read More about Effects of temporarily suspending low-dose methotrexate treatment for 2 weeks after SARS-CoV-2 vaccine booster on vaccine response in immunosuppressed adults with inflammatory conditions: protocol for a multicentre randomised controlled trial and nested mechanistic substudy (Vaccine Response On/Off Methotrexate (VROOM) study).

HLA-DR polymorphism in SARS-CoV-2 infection and susceptibility to symptomatic COVID-19 (2022)
Journal Article
Astbury, S., Reynolds, C. J., Butler, D. K., Munoz-Sandoval, D. C., Lin, K., Pieper, F. P., …Altmann, D. M. (2022). HLA-DR polymorphism in SARS-CoV-2 infection and susceptibility to symptomatic COVID-19. Immunology, 166(1), 68-77. https://doi.org/10.1111/imm.13450

SARS-CoV-2 infection results in different outcomes ranging from asymptomatic infection to mild or severe disease and death. Reasons for this diversity of outcome include differences in challenge dose, age, gender, comorbidity and host genomic variati... Read More about HLA-DR polymorphism in SARS-CoV-2 infection and susceptibility to symptomatic COVID-19.

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., …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.

The association of socio-economic and psychological factors with limitations in day-to-day activity over 7 years in newly diagnosed osteoarthritis patients (2022)
Journal Article
Kouraki, A., Bast, T., Ferguson, E., & Valdes, A. M. (2022). The association of socio-economic and psychological factors with limitations in day-to-day activity over 7 years in newly diagnosed osteoarthritis patients. Scientific Reports, 12(1), Article 943. https://doi.org/10.1038/s41598-022-04781-3

Previous research has established links between chronic pain and impaired cognitive ability, as well as between chronic pain and anxiety, in osteoarthritis. Furthermore, there is evidence linking risk of osteoarthritis to lower educational attainment... Read More about The association of socio-economic and psychological factors with limitations in day-to-day activity over 7 years in newly diagnosed osteoarthritis patients.

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., …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.

Acceptability of a nurse-led non-pharmacological complex intervention for knee pain: Nurse and patient views and experiences (2022)
Journal Article
Nomikos, P. A., Hall, M. C., Fuller, A., Ogollah, R., Valdes, A. M., Doherty, M., …Abhishek, A. (2022). Acceptability of a nurse-led non-pharmacological complex intervention for knee pain: Nurse and patient views and experiences. PLoS ONE, 17(1), Article e0262422. https://doi.org/10.1371/journal.pone.0262422

Objectives The overall purpose of this research programme is to develop and test the feasibility of a complex intervention for knee pain delivered by a nurse, and comprising both non-pharmacological and pharmacological interventions. In this first ph... Read More about Acceptability of a nurse-led non-pharmacological complex intervention for knee pain: Nurse and patient views and experiences.

The anti-inflammatory effect of bacterial short chain fatty acids is partially mediated by endocannabinoids (2021)
Journal Article
Vijay, A., Kouraki, A., Gohir, S., Turnbull, J., Kelly, A., Chapman, V., …Valdes, A. M. (2021). The anti-inflammatory effect of bacterial short chain fatty acids is partially mediated by endocannabinoids. Gut Microbes, 13(1), Article 1997559. https://doi.org/10.1080/19490976.2021.1997559

The endocannabinoid (EC) system has pleiotropic functions in the body. It plays a key role in energy homeostasis and the development of metabolic disorders being a mediator in the relationship between the gut microbiota and host metabolism. In the cu... Read More about The anti-inflammatory effect of bacterial short chain fatty acids is partially mediated by endocannabinoids.

Pre-existing polymerase-specific T cells expand in abortive seronegative SARS-CoV-2 (2021)
Journal Article
Swadling, L., Diniz, M. O., Schmidt, N. M., Amin, O. E., Chandran, A., Shaw, E., …Investigators, C. (2022). Pre-existing polymerase-specific T cells expand in abortive seronegative SARS-CoV-2. Nature, 601(7891), 110-117. https://doi.org/10.1038/s41586-021-04186-8

Individuals with potential exposure to SARS-CoV-2 do not necessarily develop PCR or antibody positivity, suggesting some may clear sub-clinical infection before seroconversion. T-cells can contribute to the rapid clearance of SARS-CoV-2 and other cor... Read More about Pre-existing polymerase-specific T cells expand in abortive seronegative SARS-CoV-2.

Effects of an isoenergetic low Glycaemic Index (GI) diet on liver fat accumulation and gut microbiota composition in patients with non-alcoholic fatty liver disease (NAFLD): A study protocol of an efficacy mechanism evaluation (2021)
Journal Article
Al-Awadi, A., Grove, J., Taylor, M., Valdes, A., Vijay, A., Bawden, S., …Aithal, G. (2021). Effects of an isoenergetic low Glycaemic Index (GI) diet on liver fat accumulation and gut microbiota composition in patients with non-alcoholic fatty liver disease (NAFLD): A study protocol of an efficacy mechanism evaluation. BMJ Open, 11(10), Article e045802. https://doi.org/10.1136/bmjopen-2020-045802

Introduction A Low Glycaemic Index (LGI) diet is a proposed lifestyle intervention in non-alcoholic fatty liver diseases (NAFLD) which is designed to reduce circulating blood glucose levels, hepatic glucose influx, insulin resistance and de novo lipo... Read More about Effects of an isoenergetic low Glycaemic Index (GI) diet on liver fat accumulation and gut microbiota composition in patients with non-alcoholic fatty liver disease (NAFLD): A study protocol of an efficacy mechanism evaluation.

Two doses of the SARS-CoV-2 BNT162b2 vaccine enhance antibody responses to variants in individuals with prior SARS-CoV-2 infection (2021)
Journal Article
Urbanowicz, R. A., Tsoleridis, T., Jackson, H. J., Cusin, L., Duncan, J. D., Chappell, J. G., …Ollivere, B. J. (2021). Two doses of the SARS-CoV-2 BNT162b2 vaccine enhance antibody responses to variants in individuals with prior SARS-CoV-2 infection. Science Translational Medicine, 13(609), Article eabj0847. https://doi.org/10.1126/scitranslmed.abj0847

Understanding the impact of prior infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on the response to vaccination is a priority for responding to the coronavirus disease 2019 (COVID-19) pandemic. In particular, it is necess... Read More about Two doses of the SARS-CoV-2 BNT162b2 vaccine enhance antibody responses to variants in individuals with prior SARS-CoV-2 infection.

Fidelity assessment of nurse-led non-pharmacological package of care for knee pain in the package development phase of a feasibility randomised controlled trial based in secondary care: A mixed methods study (2021)
Journal Article
Nomikos, P. A., Hall, M., Fuller, A., Millar, B., Ogollah, R., Valdes, A., …Abhishek, A. (2021). Fidelity assessment of nurse-led non-pharmacological package of care for knee pain in the package development phase of a feasibility randomised controlled trial based in secondary care: A mixed methods study. BMJ Open, 11(7), Article e045242. https://doi.org/10.1136/bmjopen-2020-045242

Objectives To evaluate fidelity of delivery of a nurse-led non-pharmacological complex intervention for knee pain. Setting Secondary care. Single-centre study. Study design Mixed methods study. Participants Eighteen adults with chronic knee pain. Inc... Read More about Fidelity assessment of nurse-led non-pharmacological package of care for knee pain in the package development phase of a feasibility randomised controlled trial based in secondary care: A mixed methods study.