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The secondary bile acid isoursodeoxycholate correlates with post-prandial lipemia, inflammation, and appetite and changes post-bariatric surgery (2023)
Journal Article
Louca, P., Meijnikman, A. S., Nogal, A., Asnicar, F., Attaye, I., Vijay, A., …Menni, C. (2023). The secondary bile acid isoursodeoxycholate correlates with post-prandial lipemia, inflammation, and appetite and changes post-bariatric surgery. Cell Reports Medicine, 4(4), Article 100993. https://doi.org/10.1016/j.xcrm.2023.100993

Primary and secondary bile acids (BAs) influence metabolism and inflammation, and the gut microbiome modulates levels of BAs. We systematically explore the host genetic, gut microbial, and habitual dietary contribution to a panel of 19 serum and 15 s... Read More about The secondary bile acid isoursodeoxycholate correlates with post-prandial lipemia, inflammation, and appetite and changes post-bariatric surgery.

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.

Reproducible microbiome composition signatures of anxiety and depressive symptoms (2023)
Journal Article
Kouraki, A., Kelly, A., Vijay, A., Gohir, S., Astbury, S., Georgopoulos, V., …Valdes, A. M. (2023). Reproducible microbiome composition signatures of anxiety and depressive symptoms. Computational and Structural Biotechnology Journal, 21, 5326-5336. https://doi.org/10.1016/j.csbj.2023.10.035

The gut microbiome is a significant contributor to mental health, with growing evidence linking its composition to anxiety and depressive disorders. Gut microbiome composition is associated with signs of anxiety and depression both in clinically diag... Read More about Reproducible microbiome composition signatures of anxiety and depressive symptoms.

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.

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.

Cross-cohort gut microbiome associations with immune checkpoint inhibitor response in advanced melanoma (2022)
Journal Article
Lee, K. A., Thomas, A. M., Bolte, L. A., Björk, J. R., de Ruijter, L. K., Armanini, F., …Segata, N. (2022). Cross-cohort gut microbiome associations with immune checkpoint inhibitor response in advanced melanoma. Nature Medicine, 28(3), 535-544. https://doi.org/10.1038/s41591-022-01695-5

The composition of the gut microbiome has been associated with clinical responses to immune checkpoint inhibitor (ICI) treatment, but there is limited consensus on the specific microbiome characteristics linked to the clinical benefits of ICIs. We pe... Read More about Cross-cohort gut microbiome associations with immune checkpoint inhibitor response in advanced melanoma.

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.

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.

Dietary interventions reduce traditional and novel cardiovascular risk markers by altering the gut microbiome and their metabolites (2021)
Journal Article
Vijay, A., Astbury, S., Panayiotis, L., Marques, F., Spector, T. D., Menni, C., & Valdes, A. M. (2021). Dietary interventions reduce traditional and novel cardiovascular risk markers by altering the gut microbiome and their metabolites. Frontiers in Cardiovascular Medicine, 8, Article 691564. https://doi.org/10.3389/fcvm.2021.691564

Aims: The current study investigates the role of diet in mediating the gut microbiome-cardiovascular association which has not yet been explored in humans. Methods and results: Using a two-arm dietary intervention study in healthy participants (N=7... Read More about Dietary interventions reduce traditional and novel cardiovascular risk markers by altering the gut microbiome and their metabolites.

Longitudinal assessment of symptoms and risk of SARS-CoV-2 infection in healthcare workers across 5 hospitals to understand ethnic differences in infection risk. (2021)
Journal Article
Valdes, A. M., Moon, J. C., Vijay, A., Chaturvedi, N., Norrish, A., Ikram, A., …Manisty, C. (2021). Longitudinal assessment of symptoms and risk of SARS-CoV-2 infection in healthcare workers across 5 hospitals to understand ethnic differences in infection risk. EClinicalMedicine, 34, 1-8. https://doi.org/10.1016/j.eclinm.2021.100835

Background:: Healthcare workers (HCWs) have increased rates of SARS-CoV-2 infection compared with the general population. We aimed to understand ethnic differences in SARS-CoV-2 seropositivity among hospital healthcare workers depending on their hosp... Read More about Longitudinal assessment of symptoms and risk of SARS-CoV-2 infection in healthcare workers across 5 hospitals to understand ethnic differences in infection risk..

Serum glucose, lactate dehydrogenase and hypertension are mediators of the 1 effect of body mass index on severity of COVID-19 (2021)
Journal Article
Yan, H., Vijay, A., Jiang, F., Zheng, N., Hu, Y., Ye, H., …Aithal, G. P. (2021). Serum glucose, lactate dehydrogenase and hypertension are mediators of the 1 effect of body mass index on severity of COVID-19. Endocrinology, Diabetes and Metabolism, 4(2), Article e00215. https://doi.org/10.1002/edm2.215

Background: COVID-19 has a broad clinical specturm. We investigated the role of serum markers measured on admission on severity as assessed at discharge and investigated those which relate to the effect of BMI on severity. Methods: Clinical and la... Read More about Serum glucose, lactate dehydrogenase and hypertension are mediators of the 1 effect of body mass index on severity of COVID-19.

High intake of vegetables is linked to lower white blood cell profile and the effect is mediated by the gut microbiome (2021)
Journal Article
Menni, C., Louca, P., Berry, S. E., Vijay, A., Astbury, S., Leeming, E. R., …Valdes, A. M. (2021). High intake of vegetables is linked to lower white blood cell profile and the effect is mediated by the gut microbiome. BMC Medicine, 19, 1-10. https://doi.org/10.1186/s12916-021-01913-w

Background: Chronic inflammation, which can be modulated by diet, is linked to high white blood cell counts and correlates with higher cardiometabolic risk and risk of more severe infections, as in the case of COVID-19. Methods: Here, we assessed th... Read More about High intake of vegetables is linked to lower white blood cell profile and the effect is mediated by the gut microbiome.

Role of drugs used for chronic disease management on susceptibility and severity of COVID-19: A large case-control study (2020)
Journal Article
Yan, H., Valdes, A. M., Vijay, A., Wang, S., Liang, L., Yang, S., …Aithal, G. P. (2020). Role of drugs used for chronic disease management on susceptibility and severity of COVID-19: A large case-control study. Clinical Pharmacology and Therapeutics, 108(6), 1185-1194. https://doi.org/10.1002/cpt.2047

The study aimed to investigate whether specific medications used in the treatment chronic diseases affected either the development and/ or severity of COVID-19 in a cohort of 610 COVID-19 cases and 48,667 population-based controls from Zheijang, Chin... Read More about Role of drugs used for chronic disease management on susceptibility and severity of COVID-19: A large case-control study.

The Evaluation and Use of a Food Frequency Questionnaire Among the Population in Trivandrum, South Kerala, India (2020)
Journal Article
Vijay, A., Mohan, L., Taylor, M. A., Grove, J. I., Valdes, A. M., Aithal, G. P., & Shenoy, K. T. (2020). The Evaluation and Use of a Food Frequency Questionnaire Among the Population in Trivandrum, South Kerala, India. Nutrients, 12(2), https://doi.org/10.3390/nu12020383

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Dietary record tools such as food frequency questionnaire (FFQ) and food diaries (FD) are the most commonly used choices for assessing dietary intakes in most large-scale epidemiological studi... Read More about The Evaluation and Use of a Food Frequency Questionnaire Among the Population in Trivandrum, South Kerala, India.

Lower gut microbiome diversity and higher abundance of proinflammatory genus Collinsella are associated with biopsy-proven non-alcoholic steatohepatitis (2019)
Journal Article
Astbury, S., Atallah, E., Vijay, A., Aithal, G., Grove, J., & Valdes, A. (2020). Lower gut microbiome diversity and higher abundance of proinflammatory genus Collinsella are associated with biopsy-proven non-alcoholic steatohepatitis. Gut Microbes, 11(3), 569-580. https://doi.org/10.1080/19490976.2019.1681861

There is increasing evidence for the role of gut microbial composition in the pathogenesis of non-alcoholic fatty liver disease (NAFLD). Non-alcoholic steatohepatitis (NASH) is the most serious form of NAFLD where inflammation causes liver damage tha... Read More about Lower gut microbiome diversity and higher abundance of proinflammatory genus Collinsella are associated with biopsy-proven non-alcoholic steatohepatitis.