rs10955647 - CSMD3
Magnitude 2.2 · 1 study on file
Reported associations
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Genome-wide analysis of insomnia in 1,331,010 individuals identifies new risk loci and functional pathways. - Nature genetics (2019) · Jansen PR, Watanabe K, Stringer S, Skene N, Bryois J, Hammerschlag AR, de Leeuw CA, Benjamins JS, Muñoz-Manchado AB, Nagel M, Savage JE, Tiemeier H, White T, Tung JY, Hinds DA, Vacic V, Wang X, Sullivan PF, van der Sluis S, Polderman TJC, Smit AB, Hjerling-Leffler J, Van Someren EJW, Posthuma D · PubMed 30804565
Insomnia is the second most prevalent mental disorder, with no sufficient treatment available. Despite substantial heritability, insight into the associated genes and neurobiological pathways remains limited. Here, we use a large genetic association sample (n = 1,331,010) to detect novel loci and gain insight into the pathways, tissue and cell types involved in insomnia complaints. We identify 202 loci implicating 956 genes through positional, expression quantitative trait loci, and chromatin mapping. The meta-analysis explained 2.6% of the variance. We show gene set enrichments for the axonal part of neurons, cortical and subcortical tissues, and specific cell types, including striatal, hypothalamic, and claustrum neurons. We found considerable genetic correlations with psychiatric tr
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Lifestyle context
Concrete actions anchored to the cited research. We do not prescribe, we describe.
Discuss with your doctor
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Genetic insomnia predisposition and preventive strategies Moderate
GWAS-identified genetic risk warrants discussion of personalized early intervention approach with healthcare provider
Discuss at next visit; consider referral for sleep study or cognitive behavioral therapy for insomnia if symptoms emerge
Lifestyle
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Sleep hygiene optimization Moderate
Carriers of CSMD3 risk allele have genetic predisposition to insomnia; proactive sleep environment optimization may mitigate risk
Maintain consistent sleep schedule; optimize bedroom (65-68F, dark, quiet); limit screen time 1-2 hours before bed
Screening
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Baseline sleep quality assessment Moderate
CSMD3 rs10955647 T allele associates with increased insomnia risk (OR 1.034, p=2e-8) in 1.3M-person GWAS
Complete Pittsburgh Sleep Quality Index or validated sleep assessment tool