Fibroblast Growth Factor 4/FGF-4

  • Catalog number
    E21-R08
  • Price
    Please ask
  • Size
    10ug
  • Shipping_Temperature
    Ambient
  • Product_State
    Lyophilized
  • Formulation_Description
    Lyophilized from a 0.2 μm filtered solution of PBS, pH7.4.
  • Storage
    Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks.Reconstituted protein solution can be stored at 4-7°C for 2-7 days.Aliquots of reconstituted samples are stable at < -20°C for 3 months.
  • Reconstitution
    Always centrifuge tubes before opening. Do not mix by vortex or pipetting.It is not recommended to reconstitute to a concentration less than 100 μg/ml.Dissolve the lyophilized protein in ddH2O.Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
  • Purity
    Greater than 95% as determined by reducing SDS-PAGE.
  • Endotoxin
    Less than 0.1 ng/µg (1 IEU/µg) as determined by LAL test.
  • Background
    Fibroblast growth factor 4(FGF-4) is a heparin binding member of the FGF family. The human FGF4 cDNA encodes 206 amino acids (aa) with a 33 aa signal sequence and a 173 aa mature protein with an FGF homology domain that contains a heparin binding region near the C-terminus. Mature human FGF4 shares 91%, 82%, 94% and 91% aa identity with mouse, rat, canine and bovine FGF4, respectively. Human FGF-4 has been shown to exhibit cross species activity. Expression of FGF-4 and its receptors, FGF R1c, 2c, 3c and 4, is spatially and temporally regulated during embryonic development. FGF-4 is proposed to play a physiologically relevant role in human embryonic stem cell selfrenewal. It promotes stem cell proliferation, but may also aid differentiation depending on context and concentration, and is often included in embryonic stem cell media in vitro. FGF-4 is mitogenic for fibroblasts and endothelial cells in vitro and has autocrine transforming potential. It is a potent angiogenesis promoter in vivo and has been investigated as therapy for coronary artery disease.
  • Alternative Names
    Fibroblast growth factor 4; FGF-4; Heparin secretory-transforming protein 1; HST; HST-1; HSTF-1; Heparin-binding growth factor 4; HBGF-4; Transforming protein KS3; FGF4; HST; HSTF1; KS3
  • Expression system
    E.coli
  • Description
    Aplha, transcription related growth factors and stimulating factors or repressing nuclear factors are complex subunits of proteins involved in cell differentiation. Complex subunit associated factors are involved in hybridoma growth, Eosinohils, eritroid proliferation and derived from promotor binding stimulating subunits on the DNA binding complex. NFKB 105 subunit for example is a polypetide gene enhancer of genes in B cells.
  • Gene target
  • Gene symbol
    FGF4, FGF18, FGF17, MIR1302-4, PIRC18, PIRC16, SNORD114-4, IGKV2OR2-4
  • Short name
    Fibroblast Growth Factor 4/FGF-4
  • Species
    Human
  • Alternative name
    Fibroblast Growth Factor 4/FGF-4
Gene info
Gene info
Gene info
Gene info
Gene info
  • Identity
  • Gene
  • Long gene name
    piwi-interacting RNA cluster 18
  • Locus
    4
  • Discovery year
    2009-11-05
  • Entrez gene record
  • Pubmed identfication
  • Classification
    • Piwi-interacting RNA clusters
Gene info
  • Identity
  • Gene
  • Long gene name
    piwi-interacting RNA cluster 16
  • Locus
    4
  • Discovery year
    2009-11-05
  • Entrez gene record
  • Pubmed identfication
  • Classification
    • Piwi-interacting RNA clusters
Gene info
Gene info
  • Identity
  • Gene
  • Long gene name
    immunoglobulin kappa variable 2/OR2-4 (pseudogene)
  • Synonyms gene name
    • immunoglobulin kappa variable 2/OR2-4
    • immunoglobulin kappa variable 2/OR2-4 pseudogene
  • Synonyms
  • GenBank acession
  • Locus
  • Discovery year
    2000-04-18
  • Entrez gene record
  • Pubmed identfication
  • Classification
    • Immunoglobulin kappa (IGK) orphons
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