Evaluating polygenic risk score prediction performance for Alzheimer's disease in a population-based Hispanic cohort using single- and multi-ancestry modelsResearch in context

Summary: Background: The Polygenic risk score (PRS) is effective in predicting Alzheimer's Disease (AD) risk among Europeans but remains understudied in Hispanics. Genome-wide association studies (GWAS) based on multiple ancestries can improve PRS prediction. We used GWAS data from the largest...

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Main Authors: Yuexuan Xu, Min Qiao, Tamil I. Gunasekaran, Yian Gu, Dolly Reyes-Dumeyer, Angel Piriz, Danurys Sanchez, Belisa Soriano, Yahaira Franco, Zoraida Dominguez Coronado, Patricia Recio, Diones Rivera Mejia, Martin Medrano, Rafael A. Lantigua, Lawrence Honig, Jennifer J. Manly, Adam M. Brickman, Badri N. Vardarajan, Richard Mayeux
Format: Article
Language:English
Published: Elsevier 2025-09-01
Series:The Lancet Regional Health. Americas
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Online Access:http://www.sciencedirect.com/science/article/pii/S2667193X2500208X
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author Yuexuan Xu
Min Qiao
Tamil I. Gunasekaran
Yian Gu
Dolly Reyes-Dumeyer
Angel Piriz
Danurys Sanchez
Belisa Soriano
Yahaira Franco
Zoraida Dominguez Coronado
Patricia Recio
Diones Rivera Mejia
Martin Medrano
Rafael A. Lantigua
Lawrence Honig
Jennifer J. Manly
Adam M. Brickman
Badri N. Vardarajan
Richard Mayeux
author_facet Yuexuan Xu
Min Qiao
Tamil I. Gunasekaran
Yian Gu
Dolly Reyes-Dumeyer
Angel Piriz
Danurys Sanchez
Belisa Soriano
Yahaira Franco
Zoraida Dominguez Coronado
Patricia Recio
Diones Rivera Mejia
Martin Medrano
Rafael A. Lantigua
Lawrence Honig
Jennifer J. Manly
Adam M. Brickman
Badri N. Vardarajan
Richard Mayeux
author_sort Yuexuan Xu
collection DOAJ
description Summary: Background: The Polygenic risk score (PRS) is effective in predicting Alzheimer's Disease (AD) risk among Europeans but remains understudied in Hispanics. Genome-wide association studies (GWAS) based on multiple ancestries can improve PRS prediction. We used GWAS data from the largest available African, European, and Hispanic populations and performed PRS analyses using novel methodologies to evaluate the performance of single- and multi-ancestry PRS models in predicting AD risk among Hispanic population. Methods: Prediction performance of Apolipoprotein-E (APOE), single-ancestry PRS, and multi-ancestry PRS derived from GWAS-focused and method-focused approaches to clinical AD, incident AD, and cognition and were evaluated in 2961 Hispanic people from two large studies. The GWAS-focused approach constructs PRS based on multi-ancestry GWAS, while the method-focused approach uses novel multi-ancestry PRS methods, integrating GWAS summary statistics across ancestries. Ten repetitions of 5-fold cross-validation were used. In a subset, plasma biomarker data were used in a tuning-validation split to examine PRS performance in predicting single and combined biomarkers. Findings: The multi-ancestry PRS excluding APOE, constructed using the method-focused approach, outperformed both single-ancestry and multi-ancestry PRSs from the GWAS-focused approach. The best method-focused PRS, incorporating summary statistics from GWASs of African, European, and Hispanic populations, explained up to 1.6%, 3.9%, and 1.7% of the variance in clinical AD, incident AD, and cognition, respectively–comparable to, or even higher than, the variance explained by the APOE. Similar findings were observed in biomarker analyses. APOE accounted for more variation in plasma P-tau levels and PRS explained more variation in Aβ levels. Interpretation: Integrating novel multi-ancestry PRS methods (e.g., PROSPER/PRS-CSx) with GWAS across ancestries enhances prediction accuracy for AD risk among Hispanic population. APOE and PRS may point to different biological aspects of AD. Funding: National Institutes of Health R01 AG072474, RF1 AG066107, 5R37AG015473, RF1AG015473, R56AG051876, R01 AG067501, and UL1TR001873.
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spelling doaj-art-1799524b23ab44ea9934e218f291e9842025-08-20T03:13:59ZengElsevierThe Lancet Regional Health. Americas2667-193X2025-09-014910119810.1016/j.lana.2025.101198Evaluating polygenic risk score prediction performance for Alzheimer's disease in a population-based Hispanic cohort using single- and multi-ancestry modelsResearch in contextYuexuan Xu0Min Qiao1Tamil I. Gunasekaran2Yian Gu3Dolly Reyes-Dumeyer4Angel Piriz5Danurys Sanchez6Belisa Soriano7Yahaira Franco8Zoraida Dominguez Coronado9Patricia Recio10Diones Rivera Mejia11Martin Medrano12Rafael A. Lantigua13Lawrence Honig14Jennifer J. Manly15Adam M. Brickman16Badri N. Vardarajan17Richard Mayeux18Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; G.H. Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USATaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; G.H. Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USATaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; G.H. Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USATaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; G.H. Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; Department of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, and the New York Presbyterian Hospital, New York, NY, USATaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; G.H. Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USATaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USATaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; G.H. Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USAUniversidad Nacional Pedro Henríquez Urena, Santo Domingo, Dominican RepublicClinica Corominas, Santiago, Dominican RepublicClínica Gregorio Hernandez, Puerto Plata, Dominican RepublicCEDIMAT, Santo Domingo, Dominican RepublicCEDIMAT, Santo Domingo, Dominican Republic; Universidad Nacional Pedro Henríquez Urena, Santo Domingo, Dominican RepublicPontificia Universidad Catolica Madre y Maestra (PUCMM), Santiago, Dominican RepublicTaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; Department of Medicine, Vagelos College of Physicians and Surgeons, Columbia University, and the New York Presbyterian Hospital, New York, NY, USATaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; G.H. Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; Department of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, and the New York Presbyterian Hospital, New York, NY, USATaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; G.H. Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; Department of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, and the New York Presbyterian Hospital, New York, NY, USATaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; G.H. Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; Department of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, and the New York Presbyterian Hospital, New York, NY, USATaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; G.H. Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USATaub Institute for Research on Alzheimer's Disease and the Aging Brain, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; G.H. Sergievsky Center, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA; Department of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, and the New York Presbyterian Hospital, New York, NY, USA; Corresponding author. Gertrude H. Sergievsky, Department of Neurology, NewYork-Presbyterian/Columbia University Irving Medical Center, USA.Summary: Background: The Polygenic risk score (PRS) is effective in predicting Alzheimer's Disease (AD) risk among Europeans but remains understudied in Hispanics. Genome-wide association studies (GWAS) based on multiple ancestries can improve PRS prediction. We used GWAS data from the largest available African, European, and Hispanic populations and performed PRS analyses using novel methodologies to evaluate the performance of single- and multi-ancestry PRS models in predicting AD risk among Hispanic population. Methods: Prediction performance of Apolipoprotein-E (APOE), single-ancestry PRS, and multi-ancestry PRS derived from GWAS-focused and method-focused approaches to clinical AD, incident AD, and cognition and were evaluated in 2961 Hispanic people from two large studies. The GWAS-focused approach constructs PRS based on multi-ancestry GWAS, while the method-focused approach uses novel multi-ancestry PRS methods, integrating GWAS summary statistics across ancestries. Ten repetitions of 5-fold cross-validation were used. In a subset, plasma biomarker data were used in a tuning-validation split to examine PRS performance in predicting single and combined biomarkers. Findings: The multi-ancestry PRS excluding APOE, constructed using the method-focused approach, outperformed both single-ancestry and multi-ancestry PRSs from the GWAS-focused approach. The best method-focused PRS, incorporating summary statistics from GWASs of African, European, and Hispanic populations, explained up to 1.6%, 3.9%, and 1.7% of the variance in clinical AD, incident AD, and cognition, respectively–comparable to, or even higher than, the variance explained by the APOE. Similar findings were observed in biomarker analyses. APOE accounted for more variation in plasma P-tau levels and PRS explained more variation in Aβ levels. Interpretation: Integrating novel multi-ancestry PRS methods (e.g., PROSPER/PRS-CSx) with GWAS across ancestries enhances prediction accuracy for AD risk among Hispanic population. APOE and PRS may point to different biological aspects of AD. Funding: National Institutes of Health R01 AG072474, RF1 AG066107, 5R37AG015473, RF1AG015473, R56AG051876, R01 AG067501, and UL1TR001873.http://www.sciencedirect.com/science/article/pii/S2667193X2500208XPolygenic risk scoreCaribbean HispanicsPredictionAlzheimer'sBiomarker
spellingShingle Yuexuan Xu
Min Qiao
Tamil I. Gunasekaran
Yian Gu
Dolly Reyes-Dumeyer
Angel Piriz
Danurys Sanchez
Belisa Soriano
Yahaira Franco
Zoraida Dominguez Coronado
Patricia Recio
Diones Rivera Mejia
Martin Medrano
Rafael A. Lantigua
Lawrence Honig
Jennifer J. Manly
Adam M. Brickman
Badri N. Vardarajan
Richard Mayeux
Evaluating polygenic risk score prediction performance for Alzheimer's disease in a population-based Hispanic cohort using single- and multi-ancestry modelsResearch in context
The Lancet Regional Health. Americas
Polygenic risk score
Caribbean Hispanics
Prediction
Alzheimer's
Biomarker
title Evaluating polygenic risk score prediction performance for Alzheimer's disease in a population-based Hispanic cohort using single- and multi-ancestry modelsResearch in context
title_full Evaluating polygenic risk score prediction performance for Alzheimer's disease in a population-based Hispanic cohort using single- and multi-ancestry modelsResearch in context
title_fullStr Evaluating polygenic risk score prediction performance for Alzheimer's disease in a population-based Hispanic cohort using single- and multi-ancestry modelsResearch in context
title_full_unstemmed Evaluating polygenic risk score prediction performance for Alzheimer's disease in a population-based Hispanic cohort using single- and multi-ancestry modelsResearch in context
title_short Evaluating polygenic risk score prediction performance for Alzheimer's disease in a population-based Hispanic cohort using single- and multi-ancestry modelsResearch in context
title_sort evaluating polygenic risk score prediction performance for alzheimer s disease in a population based hispanic cohort using single and multi ancestry modelsresearch in context
topic Polygenic risk score
Caribbean Hispanics
Prediction
Alzheimer's
Biomarker
url http://www.sciencedirect.com/science/article/pii/S2667193X2500208X
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