Evolutionary genetics and admixture in African populations

A Pfennig, LN Petersen, P Kachambwa… - Genome Biology and …, 2023 - academic.oup.com
As the ancestral homeland of our species, Africa contains elevated levels of genetic diversity
and substantial population structure. Importantly, African genomes are heterogeneous: They …

Extremely sparse models of linkage disequilibrium in ancestrally diverse association studies

P Salehi Nowbandegani, AW Wohns, JL Ballard… - Nature Genetics, 2023 - nature.com
Linkage disequilibrium (LD) is the correlation among nearby genetic variants. In genetic
association studies, LD is often modeled using large correlation matrices, but this approach …

[HTML][HTML] Recent advances in polygenic scores: translation, equitability, methods and FAIR tools

R Xiang, M Kelemen, Y Xu, LW Harris, H Parkinson… - Genome Medicine, 2024 - Springer
Polygenic scores (PGS) can be used for risk stratification by quantifying individuals' genetic
predisposition to disease, and many potentially clinically useful applications have been …

[HTML][HTML] Genome-wide association study in 404,302 individuals identifies 7 significant loci for reaction time variability

O Wootton, AA Shadrin, C Mohn, E Susser… - Molecular …, 2023 - nature.com
Reaction time variability (RTV), reflecting fluctuations in response time on cognitive tasks,
has been proposed as an endophenotype for many neuropsychiatric disorders. There have …

[PDF][PDF] Polygenic prediction across populations is influenced by ancestry, genetic architecture, and methodology

Y Wang, M Kanai, T Tan, M Kamariza, K Tsuo, K Yuan… - Cell Genomics, 2023 - cell.com
Polygenic risk scores (PRSs) developed from multi-ancestry genome-wide association
studies (GWASs), PRS multi, hold promise for improving PRS accuracy and generalizability …

Disease risk and healthcare utilization among ancestrally diverse groups in the Los Angeles region

C Caggiano, A Boudaie, R Shemirani, J Mefford… - Nature Medicine, 2023 - nature.com
An individual's disease risk is affected by the populations that they belong to, due to shared
genetics and environmental factors. The study of fine-scale populations in clinical care is …

Hunter–gatherer genetics research: Importance and avenues

C Padilla-Iglesias, I Derkx - Evolutionary Human Sciences, 2024 - cambridge.org
Major developments in the field of genetics in the past few decades have revolutionised
notions of what it means to be human. Although currently only a few populations around the …

[HTML][HTML] Variability of polygenic prediction for body mass index in Africa

T Chikowore, K Läll… - Genome …, 2024 - genomemedicine.biomedcentral …
Polygenic prediction studies in continental Africans are scarce. Africa's genetic and
environmental diversity pose a challenge that limits the generalizability of polygenic risk …

Genetic association and transferability for urinary albumin-creatinine ratio as a marker of kidney disease in four Sub-Saharan African populations and non-continental …

JT Brandenburg, WC Chen, PR Boua… - Frontiers in …, 2024 - frontiersin.org
Background Genome-wide association studies (GWAS) have predominantly focused on
populations of European and Asian ancestry, limiting our understanding of genetic factors …

[HTML][HTML] Trans-ancestry polygenic models for the prediction of LDL blood levels: an analysis of the United Kingdom Biobank and Taiwan Biobank

E Hassanin, KH Lee, TC Hsieh, R Aldisi, YL Lee… - Frontiers in …, 2023 - frontiersin.org
Polygenic risk score (PRS) predictions often show bias toward the population of available
genome-wide association studies (GWASs), which is typically of European ancestry. This …