rs4379723

This is a intron variant variant in the JMJD1C gene.

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GWAS Catalog Trait Associations (3)

Genome-wide significant associations (p < 5×10⁻⁸) from the NHGRI-EBI GWAS Catalog.

platelet volume

Chen MH et al. “Trans-ethnic and Ancestry-Specific Blood-Cell Genetics in 746,667 Individuals from 5 Global Populations.” Cell 182(5):1198-1213.e14 (2020)

Allele T

OR —

p —

N 484,042

Large GWAS

multi-ancestry

sex hormone-binding globulin measurement

Harrison S et al. “Testosterone and socioeconomic position: Mendelian randomization in 306,248 men and women in UK Biobank.” Science Advances 7(31) (2021)

Allele C

OR 2.40

p 3.0e-67

N 158,000

Major Consortium StudyLarge GWAS

European

triglyceride measurement, depressive symptom measurement

Bentley AR et al. “Multi-ancestry genome-wide association analyses incorporating SNP-by-psychosocial interactions identify novel loci for serum lipids.” Translational Psychiatry 15(1):207 (2025)

Allele T

OR —

β 0.008

p 1.0e-14

N 133,157

Large GWAS

multi-ancestry

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Research that mentions this SNP (1)

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A genome- and phenome-wide association study to identify genetic variants influencing platelet count and volume and their pleiotropic effects

AssociationN=13,582Khader Shameer et al.(2014)· Human Genetics

A genome-wide association study (GWAS) of platelet count (PLT) and mean platelet volume (MPV) in 13,582 and 6,291 participants respectively from the eMERGE network identified 5 chromosomal regions associated with PLT and 8 with MPV at genome-wide significance (P<5E-8). Key findings include variants in ARHGEF3 (rs1354034, P=6E-24 for PLT; P=9E-34 for MPV), SH2B3 (rs3184504, P=5E-12), and multiple other loci. The study replicated 20 SNPs for PLT and 22 for MPV from prior meta-analyses and demonstrated pleiotropic effects with myocardial infarction, autoimmune, and hematologic disorders through phenome-wide association study (PheWAS).

Traits studied:Autoimmune disordersBlood pressureEosinophil countHematologic disordersMean platelet volume (MPV)Myocardial infarctionPlatelet count (PLT)Type 1 diabetes

PubMed DOI Metascience Observatory

About JMJD1C

The protein encoded by this gene interacts with thyroid hormone receptors and contains a jumonji domain. It is a candidate histone demethylase and is thought to be a coactivator for key transcription factors. It plays a role in the DNA-damage response pathway by demethylating the mediator of DNA damage checkpoint 1 (MDC1) protein, and is required for the survival of acute myeloid leukemia. Mutations in this gene are associated with Rett syndrome and intellectual disability. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2015]