rs1169300

This is a intron variant variant in the HNF1A gene.

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GWAS Catalog Trait Associations (4)

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

blood urea nitrogen amount

Sakaue S et al. “A cross-population atlas of genetic associations for 220 human phenotypes.” Nature Genetics 53(10):1415-1424 (2021)
Allele A
OR 0.02
p 4.0e-26
N 492,819
Large GWAS
multi-ancestry

hemoglobin measurement

Sakaue S et al. “A cross-population atlas of genetic associations for 220 human phenotypes.” Nature Genetics 53(10):1415-1424 (2021)
Allele A
OR 0.02
p 3.0e-21
N 502,921
Large GWAS
multi-ancestry

hematocrit

Jee YH et al. “Genome-wide association studies in a large Korean cohort identify quantitative trait loci for 36 traits and illuminate their genetic architectures.” Nature Communications 16(1):4935 (2025)
Allele A
OR 0.01
p 2.0e-18
N 928,679
Large GWAS
multi-ancestry
Sakaue S et al. “A cross-population atlas of genetic associations for 220 human phenotypes.” Nature Genetics 53(10):1415-1424 (2021)
Allele A
OR 0.01
p 2.0e-16
N 503,490
Large GWAS
multi-ancestry

alpha-2-antiplasmin measurement

Loya H et al. “A scalable variational inference approach for increased mixed-model association power.” Nature Genetics 57(2):461-468 (2025)
Allele A
OR 0.05
p 8.0e-14
N 47,745
Large GWAS
European
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ClinVar annotation

Benign★★★☆
2 submitters1 publication
View on ClinVar →
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Research that mentions this SNP (1)

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Association of CRP genetic variants with blood concentrations of C‐reactive protein and colorectal cancer risk
AssociationN=1,454Nimptsch K. et al.(2015)· International Journal of Cancer

This Mendelian Randomization study examined whether CRP genetic variants associated with higher blood CRP concentrations are causally related to colorectal cancer risk in 727 cases and 727 controls from the EPIC cohort. Using CRP SNPs (rs1205, rs1800947, rs1130864, rs2808630, rs3093077) as instrumental variables, the authors found that genetically 2-fold higher CRP concentrations were associated with 74% higher colorectal cancer risk (OR 1.74, 95% CI 1.06–2.85) using the unweighted CRP-score, supporting a causal role for elevated CRP in colorectal carcinogenesis.

Traits studied:C-reactive protein concentrationColon cancerColorectal cancerRectal cancer
PubMedDOIMetascience Observatory

About HNF1A

The protein encoded by this gene is a transcription factor required for the expression of several liver-specific genes. The encoded protein functions as a homodimer and binds to the inverted palindrome 5'-GTTAATNATTAAC-3'. Defects in this gene are a cause of maturity onset diabetes of the young type 3 (MODY3) and also can result in the appearance of hepatic adenomas. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Apr 2015]

View all HNF1A variants →

Gene information from NCBI Gene. Variant classifications from ClinVar.

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