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GPC3

Chr Xq26.2

glypican 3

Aliases:
OCI-5, SGBS, SGBS1, SGB, DGSX
MANE:
ENST00000370818.8

Annotations refreshed 1 month ago.

Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Beckwith-Wiedemann syndrome (BWS) and other congenital overgrowth disorders

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • CAKUT

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Childhood solid tumours

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Clefting

    X-LINKED: hemizygous mutation in males, monoallelic mutations in females may cause disease (may be less severe, later onset than males)
  • Congenital hyperinsulinism

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • DDG2P

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Embryonal tumour of possible germline origin

    X-LINKED: hemizygous mutation in males, biallelic mutations in females
  • Fetal anomalies

    X-LINKED: hemizygous mutation in males, biallelic mutations in females

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Disease associations (Open Targets)

  • Simpson-Golabi-Behmel syndrome type 1

    0.77
  • Simpson-Golabi-Behmel syndrome

    0.74
  • Wilms tumor 1

    0.72
  • COVID-19

    0.54
  • hereditary disease

    0.50
  • dengue disease

    0.46
  • thyroid gland papillary carcinoma

    0.38
  • pancreatic ductal adenocarcinoma

    0.37
  • pancreatic neuroendocrine tumor

    0.37
  • exocrine pancreatic carcinoma

    0.37

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

Protein function (UniProt)

Glypican-3

Cell surface proteoglycan (PubMed:14610063). Negatively regulates the hedgehog signaling pathway when attached via the GPI-anchor to the cell surface by competing with the hedgehog receptor PTC1 for binding to hedgehog proteins (By similarity). Binding to the hedgehog protein SHH triggers internalization of the complex by endocytosis and its subsequent lysosomal degradation (By similarity). Positively regulates the canonical Wnt signaling pathway by binding to the Wnt receptor Frizzled and stimulating the binding of the Frizzled receptor to Wnt ligands (PubMed:16227623, PubMed:24496449). Positively regulates the non-canonical Wnt signaling pathway (By similarity). Binds to CD81 which decreases the availability of free CD81 for binding to the transcriptional repressor HHEX, resulting in nuclear translocation of HHEX and transcriptional repression (By similarity). Inhibits the dipeptidyl peptidase activity of DPP4 (PubMed:17549790). Plays a role in limb patterning and skeletal development by controlling the cellular response to BMP4 (By similarity). Modulates the effects of growth factors BMP2, BMP7 and FGF7 on renal branching morphogenesis (By similarity). Required for coronary vascular development (By similarity). Plays a role in regulating cell movements during gastrulation (By similarity)

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.