rs12933048

This variant is located in the RBFOX1 gene.

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GWAS Catalog Trait Associations (3)

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

mean corpuscular hemoglobin

Hu Y et al. “Whole-genome sequencing association analysis of quantitative red blood cell phenotypes: The NHLBI TOPMed program.” American Journal of Human Genetics 108(5):874-893 (2021)
Allele G
OR 0.23
p 6.0e-21
N 46,241
Large GWAS
multi-ancestry

erythrocyte volume

Hu Y et al. “Whole-genome sequencing association analysis of quantitative red blood cell phenotypes: The NHLBI TOPMed program.” American Journal of Human Genetics 108(5):874-893 (2021)
Allele G
OR 0.53
p 4.0e-18
N 48,830
Large GWAS
multi-ancestry

mean corpuscular hemoglobin concentration

Hu Y et al. “Whole-genome sequencing association analysis of quantitative red blood cell phenotypes: The NHLBI TOPMed program.” American Journal of Human Genetics 108(5):874-893 (2021)
Allele G
OR 0.07
p 2.0e-10
N 52,648
Large GWAS
multi-ancestry
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Research that mentions this SNP (1)

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Genetic association analysis highlights new loci that modulate hematological trait variation in Caucasians and African Americans
AssociationN=30,551Ken Sin Lo et al.(2011)· Human Genetics

Genetic association study in 23,439 Caucasians and 7,112 African Americans identified novel loci modulating hematological traits. G6PD rs1050828 (Val68Met) shows strong association with red blood cell count, hemoglobin, hematocrit, and mean corpuscular volume in African Americans (P < 2.0 × 10^−13), while TPM4 rs8109288 associates with platelet count in both Caucasians and African Americans (P = 3.0 × 10^−7). HBA2-HBA1 rs1211375 associates with red blood cell traits specifically in African Americans (P < 7 × 10^−8). Study replicated 36 previously reported associations and highlights ethnic differences in genetic architecture of blood traits.

Traits studied:Basophil countEosinophil countHematocritHemoglobinLymphocyte countMean corpuscular hemoglobinMean corpuscular hemoglobin concentrationMean corpuscular volumeMean platelet volumeMonocyte countNeutrophil countPlatelet countRed blood cell countWhite blood cell count
PubMedDOIMetascience Observatory

About RBFOX1

The Fox-1 family of RNA-binding proteins is evolutionarily conserved, and regulates tissue-specific alternative splicing in metazoa. Fox-1 recognizes a (U)GCAUG stretch in regulated exons or in flanking introns. The protein binds to the C-terminus of ataxin-2 and may contribute to the restricted pathology of spinocerebellar ataxia type 2 (SCA2). Ataxin-2 is the product of the SCA2 gene which causes familial neurodegenerative diseases. Fox-1 and ataxin-2 are both localized in the trans-Golgi network. Several alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2011]

View all RBFOX1 variants →

Gene information from NCBI Gene. Variant classifications from ClinVar.

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