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001     155541
005     20250523100554.0
024 7 _ |a 0264-1801
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024 7 _ |a 10.1017/S0033291721003251
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024 7 _ |a 0033-2917
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024 7 _ |a 1469-8978
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024 7 _ |a 2051-2023
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037 _ _ |a DZNE-2021-00719
041 _ _ |a English
082 _ _ |a 610
100 1 _ |a Coors, Annabell
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245 _ _ |a Polygenic risk scores for schizophrenia are associated with oculomotor endophenotypes.
260 _ _ |a [S.l.]
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520 _ _ |a Schizophrenia is a heterogeneous disorder with substantial heritability. The use of endophenotypes may help clarify its aetiology. Measures from the smooth pursuit and antisaccade eye movement tasks have been identified as endophenotypes for schizophrenia in twin and family studies. However, the genetic basis of the overlap between schizophrenia and these oculomotor markers is largely unknown. Here, we tested whether schizophrenia polygenic risk scores (PRS) were associated with oculomotor performance in the general population.Analyses were based on the data of 2956 participants (aged 30-95) of the Rhineland Study, a community-based cohort study in Bonn, Germany. Genotyping was performed on Omni-2.5 exome arrays. Using summary statistics from a recent meta-analysis based on the two largest schizophrenia genome-wide association studies to date, we quantified genetic risk for schizophrenia by creating PRS at different p value thresholds for genetic markers. We examined associations between PRS and oculomotor performance using multivariable regression models.Higher PRS were associated with higher antisaccade error rate and latency, and lower antisaccade amplitude gain. PRS showed inconsistent patterns of association with smooth pursuit velocity gain and were not associated with saccade rate during smooth pursuit or performance on a prosaccade control task.There is an overlap between genetic determinants of schizophrenia and oculomotor endophenotypes. Our findings suggest that the mechanisms that underlie schizophrenia also affect oculomotor function in the general population.
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650 _ 7 |a Antisaccade
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650 _ 7 |a epidemiology
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650 _ 7 |a eye movement
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650 _ 7 |a genetic risk score
|2 Other
650 _ 7 |a genetics
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650 _ 7 |a prosaccade
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650 _ 7 |a smooth pursuit
|2 Other
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Eye Movements
|2 MeSH
650 _ 2 |a Schizophrenia: genetics
|2 MeSH
650 _ 2 |a Endophenotypes
|2 MeSH
650 _ 2 |a Genome-Wide Association Study
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650 _ 2 |a Cohort Studies
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650 _ 2 |a Risk Factors
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693 _ _ |0 EXP:(DE-2719)Rhineland Study-20190321
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700 1 _ |a Imtiaz, Mohammed-Aslam
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700 1 _ |a Bönniger, Meta-Miriam
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700 1 _ |a Aziz, N. Ahmad
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700 1 _ |a Breteler, Monique M B
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700 1 _ |a Ettinger, Ulrich
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773 _ _ |a 10.1017/S0033291721003251
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|t Psychological medicine
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