Product Details
Catalog Number: FC15015
Applications: FC
Type: Mouse IgG
Immunogen: Clone #: 98725
Format A: Protein G Purified
Format B: liquid
Species Reactivity: Human
Downloads: Datasheet (pdf)
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Fibroblast growth factors (FGFs) comprise a family of at least eighteen structurally-related proteins that are involved in a multitude of physiological and pathological cellular processes, including cell growth, differentiation, angiogenesis, wound healing and tumorigenesis. The biological activities of the FGFs are mediated by a family of type I transmembrane tyrosine kinases which undergo dimerization and autophosphorylation after ligand binding. Four distinct genes encoding closely-related FGF receptors, FGF R1 - 4, are known. All four genes for FGF Rs encode proteins with an N-terminal signal peptide, three immunoglobulin (Ig)-like domains, an acid-box region containing a run of acidic residues between the IgI and IgII domains, a transmembrane domain and the split tyrosine-kinase domain. Multiple forms of FGF R1 - 3 are generated by alternative splicing of the mRNAs. A frequent splicing event involving FGF R1 and 2 results in receptors containing all three Ig domains, referred to as the α isoform, or only IgII and IgIII, referred to as the β isoform. Only the α isoform has been identified for FGF R3 and FGF R4. Additional splicing events for FGF R1 - 3, involving the C-terminal half of the IgIII domain encoded by two mutually exclusive alternative exons, generate FGF receptors with alternative IgIII domains (IIIb and IIIc). A IIIa isoform which is a secreted FGF binding protein containing only the N-terminal half of the IgIII domain plus some intron sequences has also been reported for FGF R1. Mutations in FGF R1 - 3 have been found in patients with birth defects involving craniosynostosis. The complex patterns of expression of these receptors as well as the specificity of their interactions with the various FGF ligand family members are under investigation (Galzie, Z. et al., 1997, Biochem. Cell Biol. 75:669 - 685; Burke, D. et al., 1998, Trends Biochem. Sci. 23:59 - 62).

Images
Human U937 monocytic cells were stained with APC-conjugated anti-human FGF R2 (filled histogram) or isotype control (open histogram).

Human U937 monocytic cells were stained with APC-conjugated anti-human FGF R2 (filled histogram) or isotype control (open histogram).

Human U937 monocytic cells were stained with APC-conjugated anti-human FGF R2 (filled histogram) or isotype control (open histogram).

Human U937 monocytic cells were stained with APC-conjugated anti-human FGF R2 (filled histogram) or isotype control (open histogram).