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FGF23

Chr 12p13.32

fibroblast growth factor 23

MANE:
ENST00000237837.2

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Predicted protein structure

Clinical relevance (Genomics England PanelApp)

Diagnostic Grade (Green)

  • Familial tumoral calcinosis

    BIALLELIC, autosomal or pseudoautosomal
  • Hypophosphataemia or rickets

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Pigmentary skin disorders

    BOTH monoallelic and biallelic, autosomal or pseudoautosomal
  • Skeletal dysplasia

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Rare genetic inflammatory skin disorders

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

    MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
  • Nephrocalcinosis or nephrolithiasis

    MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
  • Osteogenesis imperfecta

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Disease associations (Open Targets)

  • autosomal dominant hypophosphatemic rickets

    0.76
  • tumoral calcinosis, hyperphosphatemic, familial, 2

    0.73
  • familial hyperphosphatemic tumoral calcinosis/hyperphosphatemic hyperostosis syndrome

    0.62
  • cancer

    0.61
  • bone development disease

    0.60
  • osteomalacia

    0.55
  • hypophosphatemic rickets

    0.53
  • hypophosphatemia

    0.52
  • X-linked hypophosphatemia

    0.42
  • X-linked dominant hypophosphatemic rickets

    0.39

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

Protein function (UniProt)

Fibroblast growth factor 23

Regulator of phosphate homeostasis (PubMed:11062477). Inhibits renal tubular phosphate transport by reducing SLC34A1 levels (PubMed:11409890). Up-regulates EGR1 expression in the presence of KL (By similarity). Acts directly on the parathyroid to decrease PTH secretion (By similarity). Regulator of vitamin-D metabolism (PubMed:15040831). Negatively regulates osteoblast differentiation and matrix mineralization (PubMed:18282132)

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.