ArticleJournal of neurodevelopmental disorders2024
X- vs. Y-chromosome influences on human behavior: a deep phenotypic comparison of psychopathology in XXY and XYY syndromes.
Article in Journal of neurodevelopmental disorders, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Sex chromosome aneuploidy impacts on human gene expression and regulation: a systematic review.Molecular medicine (Cambridge, Mass.) · 2025Pooled it
- Neuropsychiatric Phenotype and Treatment Challenges in 47,XYY Syndrome: A Narrative Review with a Case Series of Adolescents.Brain sciences · 2026Review
- Age-related differences in psychopathology within sex chromosome trisomies.European child & adolescent psychiatry · 2025Article
- Morphological Sex Reversal in the Sexually Dimorphic Nucleus of the Preoptic Area in the Hypothalamus Delineated by Calbindin D28k-Immunoreactive Cell Clusters in YActa histochemica et cytochemica · 2025Article
- Novel tools for comparing the architecture of psychopathology between neurogenetic disorders: An application to X- versus Y-chromosome aneuploidy effects in males.Psychological medicine · 2025Article
- Novel tools for comparing the architecture of psychopathology between neurogenetic disorders: An application to X- vs. Y-chromosome aneuploidy effects in males.medRxiv : the preprint server for health sciences · 2025Article
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13 authors.
Funding
Abstract
backgroundDo different genetic disorders impart different psychiatric risk profiles? This question has major implications for biological and translational aspects of psychiatry, but has been difficult to tackle given limited access to shared batteries of fine-grained clinical data across genetic disorders.
methodsUsing a new suite of generalizable analytic approaches, we examine gold-standard diagnostic ratings, scores on 66 dimensional measures of psychopathology, and measures of cognition and functioning in two different sex chromosome aneuploidies (SCAs)-Klinefelter (XXY/KS) and XYY syndrome (n = 102 and 64 vs. n = 74 and 60 matched XY controls, total n = 300). We focus on SCAs for their high collective prevalence, informativeness regarding differential X- vs. Y-chromosome effects, and potential relevance for normative sex differences.
resultsWe show that XXY/KS elevates rates for most psychiatric diagnoses as previously reported for XYY, but disproportionately so for anxiety disorders. Fine-mapping across all 66 traits provides a detailed profile of psychopathology in XXY/KS which is strongly correlated with that of XYY (r = .75 across traits) and robust to ascertainment biases, but reveals: (i) a greater penetrance of XYY than KS/XXY for most traits except mood/anxiety problems, and (ii) a disproportionate impact of XYY vs. XXY/KS on social problems. XXY/KS and XYY showed a similar coupling of psychopathology with adaptive function and caregiver strain, but not IQ.
conclusionsThis work provides new tools for deep-phenotypic comparisons of genetic disorders in psychiatry and uses these to detail unique and shared effects of the X- and Y-chromosome on human behavior.
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