The contribution of attention-deficit/hyperactivity disorder polygenic load to metabolic and cardiovascular health outcomes: a large-scale population and sibling study

Emerging evidence suggests that ADHD is associated with increased risk for metabolic and cardiovascular (cardiometabolic) diseases. However, an understanding of the mechanisms underlying these associations is still limited. In this study we estimated the associations of polygenic scores (PGS) for AD...

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Veröffentlicht in:Translational psychiatry 2024-11, Vol.14 (1), p.470-10, Article 470
Hauptverfasser: Du Rietz, Ebba, Xie, Tian, Wang, Rujia, Cheesman, Rosa, Garcia-Argibay, Miguel, Dong, Zihan, Zhang, Jia, Niebuur, Jacobien, Vos, Melissa, Snieder, Harold, Larsson, Henrik, Hartman, Catharina A.
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Sprache:eng
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Zusammenfassung:Emerging evidence suggests that ADHD is associated with increased risk for metabolic and cardiovascular (cardiometabolic) diseases. However, an understanding of the mechanisms underlying these associations is still limited. In this study we estimated the associations of polygenic scores (PGS) for ADHD with several cardiometabolic diseases and biomarkers. Furthermore, we investigated to what extent the PGS effect was influenced by direct and indirect genetic effects (i.e., shared familial effects). We derived ADHD-PGS in 50,768 individuals aged 18–90 years from the Dutch Lifelines Cohort study. Using generalised estimating equations, we estimated the association of PGS with cardiometabolic diseases, derived from self-report and several biomarkers measured during a physical examination. We additionally ran within-sibling PGS analyses, using fixed effects models, to disentangle direct effects of individuals’ own ADHD genetic risk from confounding due to indirect genetic effects of relatives, as well as population stratification. We found that higher ADHD-PGS were statistically significantly associated with several cardiometabolic diseases (R-squared [R 2 ] range = 0.03–0.50%) and biomarkers (related to inflammation, blood pressure, lipid metabolism, amongst others) (R 2 range = 0.01–0.16%) ( P  
ISSN:2158-3188
2158-3188
DOI:10.1038/s41398-024-03178-2