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FLASH GENE
Symbol MEGF10 contributors: mct/npt/pgu - updated : 09-05-2012
HGNC name multiple EGF-like-domains 10
HGNC id 29634
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • overall domain organization of Ced-1, with a signal peptide
  • a EMI domain
  • 17 atypical EGF-like domains in extracellular region , each of which contains eight cysteine residues that likely form disulfide bonds
  • a transmembrane domain
  • a cytoplasmic domain with NPXY and YXXL motifs , and NPxY and YxxL motifs are crucial for cellular uptake of Abeta42
  • HOMOLOGY
    interspecies ortholog to of nematode CED-1, a transmembrane protein involved in engulfment of apoptotic corpses (PMID: 17498693)
    Homologene
    FAMILY
  • MEGF10 family
  • CATEGORY signaling growth factor
    SUBCELLULAR LOCALIZATION     plasma membrane
    text type I transmembrane protein
    basic FUNCTION
  • induces large vacuole formation
  • with apoptotic cells, accumulated around the contact region during engulfment of apoptotic cells
  • epidermal growth factor repeat transmembrane protein, quiescent satellite cell marker that is also expressed in skeletal myoblasts but not in differentiated myofibers
  • represents a novel transmembrane protein that impinges on Notch signaling to regulate the satellite cell population balance between proliferation and differentiation
  • PEAR1 an engulfment receptor, and MEGF10, a purported engulfment receptor are expressed in fibroblasts, and facilitated binding to dead neurons
  • involved in the uptake of amyloid-beta peptide (Abeta42) in the brain
  • functional receptor that mediates the uptake of APP, which will help elucidate the molecular mechanisms of amlyoid-beta clearance in Alzheimer disease
  • it is possible that MEGF10 is involved in clearance of Abeta which was formed in cerebral cortex and hippocampus regions at old age
  • highly expressed in activated satellite cells and regulates their proliferation as well as their differentiation and fusion into multinucleated myofibers
  • MEGF10 and MEGF11, have critical roles in the formation of mosaics by two retinal interneuron subtypes, starburst amacrine cells and horizontal cells
  • can act as a ligand that signals to starburst amacrine cells (SACs), and horizontal cells (HCs)
  • CELLULAR PROCESS
    PHYSIOLOGICAL PROCESS
    PATHWAY
    metabolism
    signaling
    a component
  • complex MEGF10-EGFP localized throughout the cytoplasmic membrane
  • INTERACTION
    DNA
    RNA
    small molecule
    protein
  • interaction between MEGF10 and clathrin assembly protein complex 2 medium chain (AP50), a component of clathrin-coated pits
  • cell & other
    REGULATION
    Other regulated by ABCA1 (function modulated by the ATP binding cassette transporter ABCA1, ortholog to CED-7)
    ASSOCIATED DISORDERS
    corresponding disease(s) EMARDD
    Susceptibility to schizophrenia
    Variant & Polymorphism other major allele and 1/1 genotype at rs27388 impose higher risks for the schizophrenia
    Candidate gene
    Marker
    Therapy target
    ANIMAL & CELL MODELS