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FOLR1

Chr 11q13.4

folate receptor alpha

Aliases:
FRα
MANE:
ENST00000393676.5

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Ataxia and cerebellar anomalies - narrow panel

    BIALLELIC, autosomal or pseudoautosomal
  • Cerebral folate deficiency

    BIALLELIC, autosomal or pseudoautosomal
  • Childhood onset dystonia, chorea or related movement disorder

    BIALLELIC, autosomal or pseudoautosomal
  • DDG2P

    BIALLELIC, autosomal or pseudoautosomal
  • Early onset or syndromic epilepsy

    BIALLELIC, autosomal or pseudoautosomal
  • Fetal anomalies

    BIALLELIC, autosomal or pseudoautosomal
  • Hereditary ataxia

    BIALLELIC, autosomal or pseudoautosomal
  • Hereditary ataxia with onset in adulthood

    BIALLELIC, autosomal or pseudoautosomal

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Disease associations (Open Targets)

  • neurodegenerative syndrome due to cerebral folate transport deficiency

    0.81
  • ovarian cancer

    0.53
  • neoplasm

    0.50
  • fallopian tube neoplasm

    0.46
  • peritoneal neoplasm

    0.46
  • malignant epithelial tumor of ovary

    0.45
  • Seizure

    0.41
  • fallopian tube cancer

    0.39
  • primary peritoneal carcinoma

    0.39
  • ovarian neoplasm

    0.38

Score is the Open Targets composite evidence score (0-1). Higher = stronger gene-disease association.

Protein function (UniProt)

Folate receptor alpha

Binds to folate and reduced folic acid derivatives and mediates delivery of 5-methyltetrahydrofolate and folate analogs into the interior of cells (PubMed:19074442, PubMed:23851396, PubMed:23934049, PubMed:2527252, PubMed:8033114, PubMed:8567728). Has high affinity for folate and folic acid analogs at neutral pH (PubMed:23851396, PubMed:23934049, PubMed:2527252, PubMed:8033114, PubMed:8567728). Exposure to slightly acidic pH after receptor endocytosis triggers a conformation change that strongly reduces its affinity for folates and mediates their release (PubMed:8567728). Required for normal embryonic development and normal cell proliferation (By similarity)

Curated MONDO disease pages that list FOLR1 among their top associated genes.

Data sources: HGNC (CC BY 4.0), AlphaFold (CC BY 4.0, Jumper et al. Nature 2021), Genomics England PanelApp (CC BY 4.0), ClinGen, Open Targets (CC0), UniProt.

Not for sole clinical decision-making. Always verify against primary sources.