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FLASH GENE
Symbol SEMA4D contributors: mct/npt - updated : 03-11-2015
HGNC name sema domain, immunoglobulin domain (Ig), transmembrane domain (TM) and short cytoplasmic domain, (semaphorin) 4D
HGNC id 10732
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • N terminal signal peptide
  • the SEMA domain containing about 14 cysteine residues
  • an Ig-like domain,
  • a single transmembrane segment
  • a C terminal short cytoplasmic tail
  • HOMOLOGY
    Homologene
    FAMILY
  • semaphorin family
  • CATEGORY signaling growth factor
    SUBCELLULAR LOCALIZATION     plasma membrane
        intracellular
    intracellular,cytoplasm
    basic FUNCTION
  • repellent of the nerve growth cone guidance
  • inducing B cell to aggregate and improving their viability in vitro
  • promotes angiogenesis, invasive growth, proliferation, and antiapoptosis of cancer cells (Ch'ng 2007)
  • stimulating axonal outgrowth of embryonic dorsal root ganglion (DRG) neurones in stead of retraction
  • in platelets, has roles in the response to vascular injury, is able to interact directly with receptors on nearby platelets, promoting thrombus formation on exposed collagen (Zhu 2007)
  • acting as a chemorepellant to the axons of retinal ganglion cells and hippocampal neurons (Fuchikawa 2009)
  • PTPN11-mediated tyrosine dephosphorylation is an important step in SEMA4D-induced axon repulsion (Fuchikawa 2009)
  • signaling requires the recruitment of PLC gamma into the PLXNB1 receptor complex (Swiercz 2009)
  • SEMA4D/PLXNB1 promotes the dephosphorylation and activation of PTEN through the RRas GAP activity, inducing growth cone collapse
  • SEMA4D/PLXNB1-mediated NFKB1 activation and IL8 production is critical in the generation a pro-angiogenic phenotype in endothelial cells
  • role for PPLXNB1 in maintenance of melanocyte survival and proliferation in the skin, suggesting that SEMA4D and PLXNB1 act cooperatively with HGF and MET to regulate MET-dependent effects in human melanocytes
  • is a protective paracrine factor for normal human melanocyte survival in response to UV irradiation
  • PLXNB1 and SEMA4D cooperate to promote perineural invasion in a RHOA/ROK-dependent manner
  • plays a role in tumor-induced angiogenesis similar to vascular endothelial growth factor VEGFA
  • CELLULAR PROCESS
    PHYSIOLOGICAL PROCESS
    PATHWAY
    metabolism
    signaling
    a component
    INTERACTION
    DNA
    RNA
    small molecule
    protein
  • ligand for plexin B1 (PLXN4), and CD72
  • binding to PLXNB1 and subsequently stimulating the interaction between PLXNB1 and RAC1
  • enhances tumor cell motility through binding its receptor, PLXNB1, in pancreatic cancer
  • SEMA4D/PLXNB1-mediated MRAS GAP activity regulates actin-based dendrite remodeling through RAPH1
  • act through its receptor PLXNB1 to regulate axon growth cone guidance, lymphocyte activation, and bone density
  • STING1 activates ADAM17 and this activation produces soluble proinflammatory SEMA4D independently of the TBK1/IRF3-mediated transcriptional pathway
  • cell & other
    REGULATION
    ASSOCIATED DISORDERS
    corresponding disease(s)
    Other morbid association(s)
    TypeGene ModificationChromosome rearrangementProtein expressionProtein Function
    constitutional     --over  
    in patients with thrombotic disorders or on cardiac bypass
    tumoral     --over  
    in soft tissue sarcoma with poorer overall and disease-free survival (Ch'ng 2007)
    Susceptibility
    Variant & Polymorphism
    Candidate gene
    Marker
    Therapy target
    SystemTypeDisorderPubmed
    cancer  
    targeting SEMA4D function along with VEGFA could represent a novel anti-angiogenic therapeutic strategy for the treatment of solid tumors.
    ANIMAL & CELL MODELS