rs35947132

This is a protein-altering variant in the PRF1 gene.

GWAS Catalog Trait Associations (4)

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

neutrophil-to-lymphocyte ratio

Kachuri L et al. Genetic determinants of blood-cell traits influence susceptibility to childhood acute lymphoblastic leukemia. American Journal of Human Genetics 108(10):1823-1835 (2021)
Allele G
OR
p 3.0e-11
N 234,502
Large GWAS
European

lymphocyte:monocyte ratio

Kachuri L et al. Genetic determinants of blood-cell traits influence susceptibility to childhood acute lymphoblastic leukemia. American Journal of Human Genetics 108(10):1823-1835 (2021)
Allele G
OR
p 5.0e-9
N 234,184
Large GWAS
European

lymphocyte count

Vuckovic D et al. The Polygenic and Monogenic Basis of Blood Traits and Diseases. Cell 182(5):1214-1231.e11 (2020)
Allele G
OR 0.06
p 1.0e-27
N 408,112
Large GWAS
European
Verma A et al. Diversity and scale: Genetic architecture of 2068 traits in the VA Million Veteran Program. Science (new York, N.y.) 385(6706):eadj1182 (2024)
Allele G
OR 0.10
p 2.0e-23
N 364,045
Major Consortium StudyLarge GWAS
multi-ancestry
Kachuri L et al. Genetic determinants of blood-cell traits influence susceptibility to childhood acute lymphoblastic leukemia. American Journal of Human Genetics 108(10):1823-1835 (2021)
Allele G
OR
p 2.0e-9
N 234,778
Large GWAS
European

neutrophil count

Verma A et al. Diversity and scale: Genetic architecture of 2068 traits in the VA Million Veteran Program. Science (new York, N.y.) 385(6706):eadj1182 (2024)
Allele G
OR 0.06
p 3.0e-14
N 261,847
Major Consortium StudyLarge GWAS
European

ClinVar annotation

Pathogenic★★★
17 submitters41 publications

Autoinflammatory syndrome; Familial hemophagocytic lymphohistiocytosis 2 (FHL2); Hemophagocytic lymphohistiocytosis, familial, 2, susceptibility to; PRF1-related disorder; not specified

View on ClinVar →

About PRF1

This gene encodes a protein with structural similarities to complement component C9 that is important in immunity. This protein forms membrane pores that allow the release of granzymes and subsequent cytolysis of target cells. Whether pore formation occurs in the plasma membrane of target cells or in an endosomal membrane inside target cells is subject to debate. Mutations in this gene are associated with a variety of human disease including diabetes, multiple sclerosis, lymphomas, autoimmune lymphoproliferative syndrome (ALPS), aplastic anemia, and familial hemophagocytic lymphohistiocytosis type 2 (FHL2), a rare and lethal autosomal recessive disorder of early childhood. [provided by RefSeq, Aug 2017]

View all PRF1 variants →

Gene information from NCBI Gene. Variant classifications from ClinVar.

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