What question did this study set out to answer?

To resolve the latent multivariate genetic architecture of frailty across individual clinical deficits and dissect biological pathways obscured by composite frailty indices.

August 1, 2025Nature GeneticsOpen Access

Uncovering the multivariate genetic architecture of frailty with genomic structural equation modeling

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Authors

IFIsabelle F. FooteQueen Mary University of London JFJonny P FlintUniversity of Edinburgh AFAnna E. FürtjesUniversity of Edinburgh

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Implication

Genome-wide association study uncovers 408 risk loci across 30 frailty deficits in aging populations, highlighting unique biological pathways obscured by standard aggregate scores.

Key Points

To resolve the latent multivariate genetic architecture of frailty across individual clinical deficits and dissect biological pathways obscured by composite frailty indices.
Applied genomic structural equation modeling to conduct a multivariate genome-wide association study across 30 individual frailty deficits.
Modeled shared and deficit-specific genetic signals and validated findings by predicting frailty in external datasets and testing genetic correlations with clinical outcomes.
Identified 408 genomic risk loci linked to frailty deficits.
Resolved a genetic architecture consisting of one overarching general factor plus six sub-factors indexing distinct clusters of deficits.
Demonstrated that the multi-factor model improves frailty prediction in external cohorts and captures divergent biological pathways linked to aging and adverse health.

Cite This Study

Foote et al. (2025) studied this question.

synapsesocial.com/papers/6ab1eed01ed49722f273db41 https://doi.org/10.1038/s41588-025-02269-0

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Implication

Genome-wide association study uncovers 408 risk loci across 30 frailty deficits in aging populations, highlighting unique biological pathways obscured by standard aggregate scores.

Uncovering the multivariate genetic architecture of frailty with genomic structural equation modeling

Discussion

Member takes

Implication

Key Points

Cite This Study

Uncovering the multivariate genetic architecture of frailty with genomic structural equation modeling

Discussion

Member takes

Implication

Key Points

Cite This Study

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