Expressive

rs12010000 - NLGN4X

Magnitude 2.2 · 1 study on file

Reported associations

  • Genome-wide meta-analysis of insomnia prioritizes genes associated with metabolic and psychiatric pathways. - Nature genetics (2022) · Watanabe K, Jansen PR, Savage JE, Nandakumar P, Wang X, Hinds DA, Gelernter J, Levey DF, Polimanti R, Stein MB, Van Someren EJW, Smit AB, Posthuma D · PubMed 35835914

    Insomnia is a heritable, highly prevalent sleep disorder for which no sufficient treatment currently exists. Previous genome-wide association studies with up to 1.3 million subjects identified over 200 associated loci. This extreme polygenicity suggested that many more loci remain to be discovered. The current study almost doubled the sample size to 593,724 cases and 1,771,286 controls, thereby increasing statistical power, and identified 554 risk loci (including 364 novel loci). To capitalize on this large number of loci, we propose a novel strategy to prioritize genes using external biological resources and functional interactions between genes across risk loci. Of all 3,898 genes naively implicated from the risk loci, we prioritize 289 and find brain-tissue expression spec

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Lifestyle context

Concrete actions anchored to the cited research. We do not prescribe, we describe.

Discuss with your doctor

  • genetic insomnia predisposition and CBT-I Moderate

    Strong GWAS association suggests genetic contribution to insomnia; CBT-I is evidence-based treatment

    Discuss genetic predisposition and potential benefit of formal sleep assessment or CBT-I referral

Lifestyle

  • sleep hygiene practices Moderate

    Consistent sleep schedule and optimal sleep environment may help mitigate genetic predisposition to insomnia

    Maintain consistent sleep/wake times, keep bedroom cool and dark, avoid screens 1 hour before bed

Screening

  • sleep quality and insomnia symptoms Moderate

    NLGN4X variant associated with insomnia through altered synaptic signaling affecting sleep-wake regulation

    Track sleep duration, quality, and any insomnia symptoms regularly