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TEK tyrosine kinase (Tie2)
- Target
- Tie2
- Molecular classification
- Receptor Tyrosine Kinase, Receptor
01
Overview
TEK tyrosine kinase (Tie2) is a receptor tyrosine kinase primarily expressed on endothelial cells. It is essential for the development, remodeling, and maintenance of the vascular system. Tie2 mediates communication between endothelial cells and smooth muscle cells, which is necessary for blood vessel formation (angiogenesis) and maintaining vessel integrity. Mutations or dysregulation in TEK/Tie2 are associated with multiple cutaneous and mucosal venous malformations (VMCM) and tumor angiogenesis.
- Other names
- TIE2CD202BAngiopoietin-1 receptor
02
Mechanism of action
Tie2 inhibitors and antibodies target the receptor to block its activation and downstream signaling, primarily aimed at reducing tumor angiogenesis. Agonists may also be used to promote vascular stability.
03
Biological functions
Vascular developmentVascular remodelingVascular stabilityAngiogenesisPostnatal hematopoiesisEndothelial cell survivalPermeability regulation
04
Disease associations
Multiple cutaneous and mucosal venous malformations (VMCM)Tumor angiogenesisCancer
05
Safety considerations
Potential for off-target effects due to the receptor's role in normal vascular functionDevelopment of resistance mechanisms
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