rs10500209 - ZNF439
Magnitude 2.2 · 1 study on file
Reported associations
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Genome-wide Association Study for Vitamin D Levels Reveals 69 Independent Loci. - American journal of human genetics (2020) · Manousaki D, Mitchell R, Dudding T, Haworth S, Harroud A, Forgetta V, Shah RL, Luan J, Langenberg C, Timpson NJ, Richards JB · PubMed 32059762
We aimed to increase our understanding of the genetic determinants of vitamin D levels by undertaking a large-scale genome-wide association study (GWAS) of serum 25 hydroxyvitamin D (25OHD). To do so, we used imputed genotypes from 401,460 white British UK Biobank participants with available 25OHD levels, retaining single-nucleotide polymorphisms (SNPs) with minor allele frequency (MAF) > 0.1% and imputation quality score > 0.3. We performed a linear mixed model GWAS on standardized log-transformed 25OHD, adjusting for age, sex, season of measurement, and vitamin D supplementation. These results were combined with those from a previous GWAS including 42,274 Europeans. In silico functional follow-up of the GWAS results was undertaken to identify enrichment in gene sets, pathways, and expre
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Lifestyle context
Concrete actions anchored to the cited research. We do not prescribe, we describe.
Bloodwork
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serum 25-hydroxyvitamin D level Moderate
rs10500209 C allele carriers show genetically lower vitamin D levels; periodic assessment guides supplementation need
baseline test, then annually or every 6 months if supplementing
Lifestyle
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moderate sun exposure for vitamin D synthesis Moderate
genetic predisposition to lower vitamin D can be partially compensated by increased UV-B exposure
aim for 15-30 minutes midday sun exposure several times weekly, considering geography and skin sensitivity
Supplements
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vitamin D3 supplementation Moderate
C allele at rs10500209 is associated with lower circulating 25-hydroxyvitamin D levels in large population studies
discuss optimal dose with physician; typical preventive range 1000-2000 IU daily