Projects per year
Personal profile
Research Focus
I am a trainee endocrinologist and aspiring physician scientist. I am interested in understanding the mechanisms that drive cardiometabolic disease and using this information to develop new treatments for the patients I care for.
Research Statement
Studying the mechanisms of human disease is challenging. Cellular and animal models often fail to faithfully recapitulate the complexity of human physiology and disease. Even well-conducted observational epidemiology is subject to reverse causation which can undermine its conclusions.
Human genetics circumvents some of the limitations of observational epidemiology: as germline genetic variants are fixed at conception it is not subject to reverse causation and is less susceptible to confounding. As such, if you can confidently link a genetic variant associated with a disease to gene function then you can establish a causal relationship between that gene and your disease of interest.
My work uses these 'molecular clues' from human genetics to inform mechanistic work in cells, animals and in humans. Working with a large network of excellent colleagues and collaborators, I have used this approach to provide novel insights into the pathophysiology of pregnancy sickness, type 2 diabetes and liver disease.
My current research seeks to extend this paradigm to identify novel mechanisms of cardiovascular disease and diabetes-related complications. I am uniquely positioned to deliver this given my broad-based training in clinical medicine, genetic epidemiology and cellular and animal models of disease.
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Collaborations and top research areas from the last five years
Projects
- 1 Active
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R2975CEM: Understanding the mechanistic basis of phenotypic heterogeneity in HTRA1-related vascular disease
Lockhart, S. (PI), Collins, B. (CoI), Grieve, D. (CoI), Margariti, A. (CoI) & Watson, C. (CoI)
25/08/2025 → …
Project: Research
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Human genetics suggests differing causal pathways from HMGCR inhibition to coronary artery disease and type 2 diabetes
Hwang, S., Karhunen, V., Patel, A., Lockhart, S. M., Carter, P., Whittaker, J. C. & Burgess, S., Feb 2026, In: International Journal of Epidemiology. 55, 1, 9 p., dyaf223.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Link opens in a new tab Citation (Scopus)89 Downloads (Pure) -
The inverse association between circulatory placental biomarkers in early pregnancy and maternal body mass index
Atta, N., Pike, C., Wishlade, T., Sovio, U., Petry, C. J., Lockhart, S., Ong, K. K., Hughes, I. A., Goodburn, S. F., Smith, G., Aiken, C. & O'Rahilly, S., 01 Apr 2026, In: Placenta. 177, p. 36-43 8 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile10 Downloads (Pure) -
Effects of rare coding variants in severe early-onset obesity genes in the population-based UK Biobank study
Jia, R. Y., Lockhart, S., Lam, B. Y. H., Zhao, Y., Kentistou, K. A., Gardner, E. J., Farooqi, I. S., O'Rahilly, S., Day, F. R., Ong, K. K. & Perry, J. R. B., Nov 2025, In: The Journal of clinical endocrinology and metabolism. 110, 11, p. e3774-e3782Research output: Contribution to journal › Article › peer-review
Open AccessFile3 Link opens in a new tab Citations (Scopus)13 Downloads (Pure) -
Plasma complement system markers and their association with cardiometabolic risk factors: an ethnic comparison of White European and Black African men
Reed, R. M., Zelek, W. M., Morgan, B. P., Whelehan, G., Lockhart, S., O'Rahilly, S., Witard, O. C., Whyte, M. B. & Goff, L. M., 07 Apr 2025, In: American Journal of Physiology - Endocrinology and Metabolism. 328, 4, p. E611–E619Research output: Contribution to journal › Article › peer-review
Open AccessFile -
Population-scale gene-based analysis of whole-genome sequencing provides insights into metabolic health
Zhao, Y., Lockhart, S., Liu, J., Li, X., Cortes, A., Hua, X., Gardner, E. J., Kentistou, K. A., Cañadas-Garre, M., Fabian, L., Ho, K., Timpson, N., Lo, Y., Davitte, J., Savage, D. B., Buser-Doepner, C., Ong, K. K., Zhang, H., Scott, R. & O'Rahilly, S. & 1 others, , 10 Oct 2025, In: Nature Genetics. 57, 10, p. 2436-2444Research output: Contribution to journal › Article › peer-review
Open AccessFile5 Link opens in a new tab Citations (Scopus)36 Downloads (Pure)
Prizes
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Best Abstract - Joint Society for Endocrinology and Irish Endocrine Society Meeting 2024
Lockhart, S. (Recipient), 15 Oct 2024
Prize: Prize (including medals and awards)
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Irish Endocrine Society: Summer Studentship
Loughrey, B. (Recipient) & Lockhart, S. (Recipient), 2025
Prize: Other distinction
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Wellcome Trust Clinical PhD for Clinicians
Lockhart, S. (Recipient), 01 Aug 2021
Prize: Fellowship awarded competitively
Activities
- 1 Invited or keynote talk at national or international conference
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Towards prevention of pregancy sickness
Lockhart, S. (Advisor)
25 Sept 2024Activity: Talk or presentation types › Invited or keynote talk at national or international conference
Press/Media
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We think we have found a cause of pregnancy sickness, and it may lead to a treatment
14/12/2023
1 Media contribution
Press/Media: Expert Comment