CD105 or Endoglin is a Type I transmembrane protein, which is highly expressed on human vascular endothelial cells. It exists on an O- and N-glycosylated homodimer. Up regulation of endoglin expression has been demonstrated in tumor vasculature and proliferating cells, suggesting that it is a proliferation associated endothelial marker. CD105 binds to TGF beta 1 and 3 with high affinity but not to TGF beta 2.
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Protein Aliases: CD105; CD105 antigen; Cell surface MJ7/18 antigen; Endoglin; ORW; transmembrane glycoprotein
Gene Aliases: AI528660; AI662476; CD105; Edg; END; Endo; ENG; HHT1; ORW1; S-endoglin
Molecular Function: transmembrane signal receptor