Expressive

rs10740997 - DNAJC1

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 predisposition to insomnia and preventive strategies Moderate

    Carriers of rs10740997 risk allele have statistically elevated insomnia risk; discussion can guide screening and management approach.

Lifestyle

  • sleep hygiene optimization Moderate

    DNAJC1 heat shock protein is involved in cellular stress responses; sleep environment optimization may compensate for genetic vulnerability to insomnia.

    Maintain consistent sleep schedule; keep bedroom dark, cool (64-68 F), quiet; avoid screens 1 hour before bed.

Screening

  • sleep onset latency and sleep quality Moderate

    Genetic variant rs10740997 in DNAJC1 is associated with increased insomnia susceptibility across 2.4M individuals; monitoring enables early detection and intervention.

    Track sleep latency and quality using daily sleep diary or app; report persistent sleep difficulties to physician.