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FLASH GENE
Symbol FGF22 contributors: mct - updated : 24-02-2015
HGNC name fibroblast growth factor 22
HGNC id 3679
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
isoforms Precursor
HOMOLOGY
interspecies homolog to murine Fgf-22
Homologene
FAMILY
  • heparin-binding growth factors family
  • FGF7 subfamily
  • CATEGORY signaling growth factor
    SUBCELLULAR LOCALIZATION extracellular
        intracellular
    intracellular,cytoplasm,organelle,Golgi
    intracellular,nucleus,nucleolus
    basic FUNCTION
  • acting as a presynaptic organizer
  • ligand of FGFR2, involved in presynaptic differentiation of mossy fibers
  • may be playing a role in hair development
  • FGF22 and SIRPA induced vesicle clusters of different sizes, differed in their ability to promote neurite branching, and acted through different receptors and signaling pathways
  • FGF22 and FGF7, promote the organization of excitatory and inhibitory presynaptic terminals, respectively, as target-derived presynaptic organizers
  • FGF22, FGF7 act as target-derived presynaptic organizers and help to organize specific presynaptic terminals in the mammalian brain
  • FGF22 is an important "organizing" cue for the timely development of retinogeniculate synapses
  • have a clear role in synaptogenesis, but also a potential pro-oncogenic role in the skin
  • plays important roles in controlling neurogenesis, ectopic migration of dentate granule cells (DGCs), and hilar cell death after seizures, which may contribute to the generalized seizure-resistant phenotype of FGF22KO mice
  • potentially involved in midbrain development downstream of FGF3 and FGF8 in the midbrain-hindbrain boundary (MHB) but not of Hh in the floor plate
  • FGF22 and FGF7 are postsynaptic-cell-derived presynaptic organizers necessary for excitatory and inhibitory presynaptic differentiation, respectively, in the hippocampus
  • CELLULAR PROCESS
    PHYSIOLOGICAL PROCESS
    PATHWAY
    metabolism
    signaling
    a component
    INTERACTION
    DNA
    RNA
    small molecule
    protein
    cell & other
    REGULATION
    ASSOCIATED DISORDERS
    corresponding disease(s)
    Susceptibility
    Variant & Polymorphism
    Candidate gene
    Marker
    Therapy target
    SystemTypeDisorderPubmed
    neurologyepilepsy 
    inhibition of FGF22 may alleviate epileptogenesis
    ANIMAL & CELL MODELS
  • Fgf22 knockout (KO) mice show resistance to generalized seizures in adults as assessed by chemical kindling