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PITX2

Chr 4q25

paired like homeodomain 2

Aliases:
IGDS, RS, Brx1, Otlx2, ARP1
MANE:
ENST00000644743.1

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Anophthalmia or microphthalmia

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Corneal abnormalities

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • DDG2P

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Fetal anomalies

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Glaucoma (developmental)

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • IUGR and IGF abnormalities

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Pituitary hormone deficiency

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Structural eye disease

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

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Disease associations (Open Targets)

  • Axenfeld-Rieger syndrome type 1

    0.82
  • anterior segment dysgenesis 4

    0.79
  • Axenfeld-Rieger syndrome

    0.71
  • Rieger anomaly

    0.66
  • ring dermoid of cornea

    0.65
  • anterior segment dysgenesis

    0.55
  • atrial fibrillation

    0.53
  • Peters anomaly

    0.52
  • neurodegenerative disease

    0.52
  • appendicitis

    0.50

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

Protein function (UniProt)

Pituitary homeobox 2

May play a role in myoblast differentiation. When unphosphorylated, associates with an ELAVL1-containing complex, which stabilizes cyclin mRNA and ensuring cell proliferation. Phosphorylation by AKT2 impairs this association, leading to CCND1 mRNA destabilization and progression towards differentiation

Curated MONDO disease pages that list PITX2 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.