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Contribution of central and peripheral risk factors to prevalence, incidence and progression of knee pain: a community-based cohort study (2018)
Journal Article
Sarmanova, A., Fernandes, G., Richardson, H., Valdes, A., Walsh, D., Zhang, W., & Doherty, M. (2018). Contribution of central and peripheral risk factors to prevalence, incidence and progression of knee pain: a community-based cohort study. Osteoarthritis and Cartilage, 26(11), 1461-1473. https://doi.org/10.1016/j.joca.2018.07.013

Aim

To explore risk factors that may influence knee pain (KP) through central or peripheral mechanisms.

Methods

A questionnaire-based prospective community cohort study with KP defined as pain in or around a knee on most days for at least a... Read More about Contribution of central and peripheral risk factors to prevalence, incidence and progression of knee pain: a community-based cohort study.

Omega-6 oxylipins generated by soluble epoxide hydrolase are associated with knee osteoarthritis (2018)
Journal Article
Valdes, A. M., Ravipati, S., Pousinis, P., Menni, C., Mangino, M., Abhishek, A., Chapman, V., Barrett, D. A., & Doherty, M. (in press). Omega-6 oxylipins generated by soluble epoxide hydrolase are associated with knee osteoarthritis. Journal of Lipid Research, 59(7), Article jlr.P085118. https://doi.org/10.1194/jlr.P085118

Omega-6 fatty acids are important inflammatory mediators increased in joints with osteoarthritis (OA) joints. To investigate the relationship between omega-6 fatty acids and knee OA 22 omega-6 lipids (arachidonic acid, linoleic acid and 20 oxylipins)... Read More about Omega-6 oxylipins generated by soluble epoxide hydrolase are associated with knee osteoarthritis.

Bidirectional association between disturbed sleep and neuropathic pain symptoms: a prospective cohort study in post-total joint replacement participants (2018)
Journal Article
Stocks, J., Tang, N. K., Walsh, D. A., Warner, S. C., Harvey, H., Jenkins, W., Abhishek, A., Doherty, M., & Valdes, A. M. (2018). Bidirectional association between disturbed sleep and neuropathic pain symptoms: a prospective cohort study in post-total joint replacement participants. Journal of Pain Research, 2018(11), 1087—1093. https://doi.org/10.2147/JPR.S149830

Disturbed sleep is strongly correlated with chronic pain. The aim of this study was to examine the association between sleep disturbance and incident joint pain focusing on neuropathic pain-like symptoms. 423 individuals who had undergone total joint... Read More about Bidirectional association between disturbed sleep and neuropathic pain symptoms: a prospective cohort study in post-total joint replacement participants.

The fecal metabolome as a functional readout of the gut microbiome (2018)
Journal Article
Zierer, J., Jackson, M. A., Kastenmüller, G., Mangino, M., Long, T., Telenti, A., Mohney, R. P., Small, K. S., Bell, J. T., Steves, C. J., Valdes, A. M., Spector, T. D., & Menni, C. (2018). The fecal metabolome as a functional readout of the gut microbiome. Nature Genetics, 50(6), 790-795. https://doi.org/10.1038/s41588-018-0135-7

© 2018 The Author(s). The human gut microbiome plays a key role in human health 1 , but 16S characterization lacks quantitative functional annotation 2 . The fecal metabolome provides a functional readout of microbial activity and can be used as an... Read More about The fecal metabolome as a functional readout of the gut microbiome.

Glycosylation profile of immunoglobulin G is cross-sectionally associated with cardiovascular disease risk score and subclinical atherosclerosis in two independent cohorts (2018)
Journal Article
Menni, C., Gudelj, I., Macdonald-Dunlop, E., Mangino, M., Zierer, J., Bešić, E., Joshi, P. K., Trbojević-Akmačić, I., Chowienczyk, P. J., Spector, T. D., Wilson, J. F., Lauc, G., & Valdes, A. (2018). Glycosylation profile of immunoglobulin G is cross-sectionally associated with cardiovascular disease risk score and subclinical atherosclerosis in two independent cohorts. Circulation Research, 122(11), 1555-1564. https://doi.org/10.1161/CIRCRESAHA.117.312174

Rationale:
One measure of protein glycosylation (GlycA) has been reported to predict higher cardiovascular risk by reflecting inflammatory pathways.

Objective:
The main objective of this study is to assess the role of a comprehensive panel of Ig... Read More about Glycosylation profile of immunoglobulin G is cross-sectionally associated with cardiovascular disease risk score and subclinical atherosclerosis in two independent cohorts.

Effect of dietary omega-3 fatty acid supplementation on frailty related phenotypes in older adults: a systematic review and meta-analysis protocol (2018)
Journal Article
Stocks, J., & Valdes, A. M. (2018). Effect of dietary omega-3 fatty acid supplementation on frailty related phenotypes in older adults: a systematic review and meta-analysis protocol. BMJ Open, 8(5), Article e021344. https://doi.org/10.1136/bmjopen-2017-021344

Introduction: The beneficial effect of dietary omega-3 supplementation in younger adults or older people with acute or chronic disease is established. Knowledge is now needed about the effect in medically stable older people. The objective of this st... Read More about Effect of dietary omega-3 fatty acid supplementation on frailty related phenotypes in older adults: a systematic review and meta-analysis protocol.

Gut microbial diversity is associated with lower arterial stiffness in women (2018)
Journal Article
Valdes, A. M., Menni, C., Lin, C., Cecelja, M., Mangino, M., Matey-Hernandez, M. L., Keehn, L., Mohney, R. P., Steves, C. J., Spector, T. D., Kuo, C. F., & Chowienczyk, P. (2018). Gut microbial diversity is associated with lower arterial stiffness in women. European Heart Journal, 39(25), 2390a-2397a. https://doi.org/10.1093/eurheartj/ehy226

© The Author(s)2018 All rights reserved. Aims The gut microbiome influences metabolic syndrome (MetS) and inflammation and is therapeutically modifiable. Arterial stiffness is poorly correlated with most traditional risk factors. Our aim was to exam... Read More about Gut microbial diversity is associated with lower arterial stiffness in women.

Genome-wide association meta-analysis of individuals of European ancestry identifies new loci explaining a substantial fraction of hair color variation and heritability (2018)
Journal Article
Hysi, P. G., Valdes, A. M., Liu, F., Furlotte, N. A., Evans, D. M., Bataille, V., Visconti, A., Hemani, G., McMahon, G., Ring, S. M., Smith, G. D., Duffy, D. L., Zhu, G., Gordon, S. D., Medland, S. E., Lin, B. D., Willemsen, G., Hottenga, J. J., Vuckovic, D., Girotto, G., …Spector, T. D. (2018). Genome-wide association meta-analysis of individuals of European ancestry identifies new loci explaining a substantial fraction of hair color variation and heritability. Nature Genetics, 50(5), 652-656. https://doi.org/10.1038/s41588-018-0100-5

© 2018 The Author(s). Hair color is one of the most recognizable visual traits in European populations and is under strong genetic control. Here we report the results of a genome-wide association study meta-analysis of almost 300,000 participants of... Read More about Genome-wide association meta-analysis of individuals of European ancestry identifies new loci explaining a substantial fraction of hair color variation and heritability.

A clinical assessment tool to improve the use of pain relieving treatments in knee osteoarthritis (2018)
Presentation / Conference Contribution
Akin-Akinyosoye, K., Frowd, N., Marshall, L., Stocks, J., Fernandes, G., Valdes, A., McWilliams, D., Zhang, W., Doherty, M., Ferguson, E., & Walsh, D. (2018, April). A clinical assessment tool to improve the use of pain relieving treatments in knee osteoarthritis. Presented at 2018 OARSI World Congress on Osteoarthritis : Promoting Clinical and Basic Research in Osteoarthritis, Liverpool, United Kingdom

Purpose: Approximately 1 in 4 individuals in the UK over the age of 55 experience knee pain (KP), predominantly due to osteoarthritis (OA). Following treatment targeted at the affected knee, pain relief is reported in only 60%–80% of individuals with... Read More about A clinical assessment tool to improve the use of pain relieving treatments in knee osteoarthritis.

Osteoarthritis and ageing (2018)
Journal Article
Valdes, A. M., & Stocks, J. (2018). Osteoarthritis and ageing. European Medical Journal Rheumatology, 3(1),

Ageing is a complex process of accumulation of molecular, cellular, and organ damage, leading to loss of function and increased vulnerability to disease and death, the rate and extent of which varies among individuals. Osteoarthritis (OA) is not only... Read More about Osteoarthritis and ageing.

Traits associated with central pain augmentation in the Knee Pain in the Community (KPIC) cohort (2018)
Journal Article
Akin-Akinyosoye, K., Frowd, N., Marshall, L., Stocks, J., Fernandes, G. S., Valdes, A. M., McWilliams, D. F., Zhang, W., Doherty, M., Ferguson, E., & Walsh, D. A. (2018). Traits associated with central pain augmentation in the Knee Pain in the Community (KPIC) cohort. PAIN, 159(6), 1035–1044. https://doi.org/10.1097/j.pain.0000000000001183

This study aimed to identify self-report correlates of central pain augmentation in individuals with knee pain. A subset of participants (n=420) in the Knee Pain and related health In the Community (KPIC) baseline survey undertook pressure pain thres... Read More about Traits associated with central pain augmentation in the Knee Pain in the Community (KPIC) cohort.

Genome-wide association study in 79,366 European-ancestry individuals informs the genetic architecture of 25-hydroxyvitamin D levels (2018)
Journal Article
Jiang, X., O’Reilly, P. F., Aschard, H., Hsu, Y.-H., Richards, J. B., Dupuis, J., Ingelsson, E., Karasik, D., Pilz, S., Berry, D., Kestenbaum, B., Zheng, J., Luan, J., Sofianopoulou, E., Streeten, E. A., Albanes, D., Lutsey, P. L., Yao, L., Tang, W., Econs, M. J., …Kiel, D. P. (2018). Genome-wide association study in 79,366 European-ancestry individuals informs the genetic architecture of 25-hydroxyvitamin D levels. Nature Communications, 9(1), Article 260. https://doi.org/10.1038/s41467-017-02662-2

Vitamin D is a steroid hormone precursor that is associated with a range of human traits and diseases. Previous GWAS of serum 25-hydroxyvitamin D concentrations have identified four genome-wide significant loci (GC, NADSYN1/DHCR7, CYP2R1, CYP24A1). I... Read More about Genome-wide association study in 79,366 European-ancestry individuals informs the genetic architecture of 25-hydroxyvitamin D levels.

Association between ultrasound-detected synovitis and knee pain: a population-based case-control study with both cross-sectional and follow-up data (2017)
Journal Article
Sarmanova, A., Hall, M. C., Fernandes, G. S., Bhattacharya, A., Valdes, A. M., Walsh, D. A., Doherty, M., & Zhang, W. (in press). Association between ultrasound-detected synovitis and knee pain: a population-based case-control study with both cross-sectional and follow-up data. Arthritis Research and Therapy, 19(281), https://doi.org/10.1186/s13075-017-1486-7

Background: Recently an important role for synovial pathology in the initiation and progression of knee osteoarthritis (OA) has been emphasised. This study aimed to examine whether ultrasonographydetected synovial changes (USSCs) associate with knee... Read More about Association between ultrasound-detected synovitis and knee pain: a population-based case-control study with both cross-sectional and follow-up data.

Triggers of acute attacks of gout, does age of gout onset matter?: a primary care based cross-sectional study (2017)
Journal Article
Abhishek, A., Valdes, A. M., Jenkins, W., Zhang, W., & Doherty, M. (2017). Triggers of acute attacks of gout, does age of gout onset matter?: a primary care based cross-sectional study. PLoS ONE, 12(10), Article e0186096. https://doi.org/10.1371/journal.pone.0186096

Objectives

To determine the proportion of people with gout who self-report triggers of acute attacks; identify the commonly reported triggers, and examine the disease and demographic features associated with self-reporting any trigger(s) of acute... Read More about Triggers of acute attacks of gout, does age of gout onset matter?: a primary care based cross-sectional study.

Knee pain and related health in the community study (KPIC): a cohort study protocol (2017)
Journal Article
Fernandes, G. S., Sarmanova, A., Warner, S. C., Harvey, H., Akin-Akinyosoye, K., Richardson, H., Frowd, N., Marshall, L., Stocks, J., Hall, M., Valdes, A. M., Walsh, D. A., Zhang, W., & Doherty, M. (in press). Knee pain and related health in the community study (KPIC): a cohort study protocol. BMC Musculoskeletal Disorders, 18(404), https://doi.org/10.1186/s12891-017-1761-4

Background: The incidence, progression and related risk factors for recent-onset knee pain (KP) remain uncertain. This study aims to examine the natural history of KP including incidence and progression and to identify possible phenotypes and their a... Read More about Knee pain and related health in the community study (KPIC): a cohort study protocol.

Association of the resolvin precursor 17-HDHA, but not D- or E- series resolvins, with heat pain sensitivity and osteoarthritis pain in humans (2017)
Journal Article
Valdes, A. M., Ravipati, S., Menni, C., Abhishek, A., Metrustry, S., Harris, J., Nessa, A., Williams, F. M., Spector, T. D., Doherty, M., Chapman, V., & Barrett, D. A. (in press). Association of the resolvin precursor 17-HDHA, but not D- or E- series resolvins, with heat pain sensitivity and osteoarthritis pain in humans. Scientific Reports, 7, Article 10748. https://doi.org/10.1038/s41598-017-09516-3

Resolvins are omega-3 fatty acid derived potent bioactive lipids that resolve inflammation and modulate transient receptor potential channels. Exogenous administration of the resolvin precursor 17-HDHA shows a strong analgesic effect in animal models... Read More about Association of the resolvin precursor 17-HDHA, but not D- or E- series resolvins, with heat pain sensitivity and osteoarthritis pain in humans.

Genome-wide association and functional studies identify a role for matrix Gla protein in osteoarthritis of the hand (2017)
Journal Article
Hollander, W. D., Boer, C. G., Hart, D. J., Yau, M. S., Ramos, Y. F., Metrustry, S., Broer, L., Deelen, J., Cupples, L. A., Rivadeneira, F., Kloppenburg, M., Peters, M., Spector, T. D., Hofman, A., Slagboom, P. E., Nelissen, R. G., Uitterlinden, A. G., Felson, D. T., Valdes, A. M., Meulenbelt, I., & van Meurs, J. J. (2017). Genome-wide association and functional studies identify a role for matrix Gla protein in osteoarthritis of the hand. Annals of the Rheumatic Diseases, https://doi.org/10.1136/annrheumdis-2017-211214

Objective Osteoarthritis (OA) is the most common form of arthritis and the leading cause of disability in the elderly. Of all the joints, genetic predisposition is strongest for OA of the hand; however, only few genetic risk loci for hand OA have bee... Read More about Genome-wide association and functional studies identify a role for matrix Gla protein in osteoarthritis of the hand.

Association of beta-blocker use with less prevalent joint pain and lower opioid requirement in people with osteoarthritis (2017)
Journal Article
Valdes, A. M., Abhishek, A., Muir, K., Zhang, W., Maciewicz, R. A., & Doherty, M. (2017). Association of beta-blocker use with less prevalent joint pain and lower opioid requirement in people with osteoarthritis. Arthritis Care and Research, 69(7), 1076-1081. https://doi.org/10.1002/acr.23091

Objective: Recent findings suggest that β-adrenergic blockers have anti-nociceptive properties. The aim of this study was to compare levels of large joint pain between those on adrenergic blockers and those on other antihypertensive medications.
Met... Read More about Association of beta-blocker use with less prevalent joint pain and lower opioid requirement in people with osteoarthritis.

First validation of the gout activity score against gout impact scale in a primary care based gout cohort (2017)
Journal Article
La-Crette, J., Jenkins, W., Fernandes, G. S., Valdes, A. M., Doherty, M., & Abhishek, A. (in press). First validation of the gout activity score against gout impact scale in a primary care based gout cohort. Joint Bone Spine, https://doi.org/10.1016/j.jbspin.2017.05.010

Objectives To validate the gout activity score (GAS) against the gout impact scale in a primary care based gout cohort.
Methods This was a single-centre cross-sectional study. People with gout who participated in previous research at Academic Rheuma... Read More about First validation of the gout activity score against gout impact scale in a primary care based gout cohort.