Expressive

rs10736683 - P2RX3

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.

Diet

  • late-day caffeine intake Moderate

    Caffeine intake in afternoon and evening may exacerbate insomnia risk in carriers of genetic susceptibility variants

    avoid caffeine after 2 PM; limit total daily intake to less than 200 mg

Lifestyle

  • consistent sleep schedule Moderate

    Regular sleep timing supports circadian stability and may reduce insomnia severity in genetically predisposed individuals

    maintain consistent bedtime and wake time within 1 hour, seven days per week

Screening

  • sleep quality and insomnia symptoms Moderate

    T allele at rs10736683 associated with significantly increased insomnia prevalence in genome-wide study of 1.2 million individuals

    track sleep duration, quality, and daytime function; discuss persistent sleep problems with physician