Biology:TIE1

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A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example
tyrosine kinase with immunoglobulin-like and EGF-like domains 1
Identifiers
SymbolTIE1
Alt. symbolsTIE, JTK14
NCBI gene7075
HGNC11809
OMIM600222
RefSeqNM_005424
UniProtP35590
Other data
EC number2.7.1.112
LocusChr. 1 p34-p33

Tyrosine kinase with immunoglobulin-like and EGF-like domains 1 also known as TIE1 is an angiopoietin receptor which in humans is encoded by the TIE1 gene.[1]

Function

TIE1 is a cell surface protein expressed exclusively in endothelial cells, however it has also been shown to be expressed in immature hematopoietic cells[2] and platelets.[3] TIE1 upregulates the cell adhesion molecules (CAMs) VCAM-1, E-selectin, and ICAM-1 through a p38-dependent mechanism. Attachment of monocyte derived immune cells to endothelial cells is also enhanced by TIE1 expression. TIE1 has a proinflammatory effect and may play a role in the endothelial inflammatory diseases such as atherosclerosis.[4]

See also

References

  1. "A novel endothelial cell surface receptor tyrosine kinase with extracellular epidermal growth factor homology domains". Molecular and Cellular Biology 12 (4): 1698–707. April 1992. doi:10.1128/mcb.12.4.1698. PMID 1312667. 
  2. "Tie1, a receptor tyrosine kinase essential for vascular endothelial cell integrity, is not critical for the development of hematopoietic cells". Oncogene 12 (2): 397–404. January 1996. PMID 8570217. 
  3. "Characterization and regulation of the receptor tyrosine kinase Tie-1 in platelets". Journal of Vascular Research 37 (6): 437–42. 2000. doi:10.1159/000054075. PMID 11146396. 
  4. "Receptor tyrosine kinase Tie-1 overexpression in endothelial cells upregulates adhesion molecules". Biochemical and Biophysical Research Communications 371 (3): 475–9. July 2008. doi:10.1016/j.bbrc.2008.04.091. PMID 18448073. 

External links