Mouse Angiopoietin 1 / ANG1 / ANGPT1 (His Tag) recombinant protein

Mouse Angiopoietin 1 / ANG1 / ANGPT1 (His Tag) recombinant protein

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Binds and activates TEK/TIE2 receptor by inducing its dimerization and tyrosine phosphorylation. Plays an important role in the regulation of angiogenesis, endothelial cell survival, proliferation, migration, adhesion and cell spreading, reorganization of the actin cytoskeleton, but also maintenance of vascular quiescence. Required for normal angiogenesis and heart development during embryogenesis. After birth, activates or inhibits angiogenesis, depending on the context. Inhibits angiogenesis and promotes vascular stability in quiescent vessels, where endothelial cells have tight contacts. In quiescent vessels, ANGPT1 oligomers recruit TEK to cell-cell contacts, forming complexes with TEK molecules from adjoining cells, and this leads to preferential activation of phosphatidylinositol 3-kinase and the AKT1 signaling cascades. In migrating endothelial cells that lack cell-cell adhesions, ANGT1 recruits TEK to contacts with the extracellular matrix, leading to the formation of focal adhesion complexes, activation of PTK2/FAK and of the downstream kinases MAPK1/ERK2 and MAPK3/ERK1, and ultimately to the stimulation of sprouting angiogenesis. Mediates blood vessel maturation/stability. Implicated in endothelial developmental processes later and distinct from that of VEGF. Appears to play a crucial role in mediating reciprocal interactions between the endothelium and surrounding matrix and mesenchyme (By similarity).

Angiopoietin-1

AGP1; ANG1; AGPT; 1110046O21RIK; ANG-1

O08538

Angpt1; Agpt

Human Cells

A DNA sequence encoding the mouse Angpt1 (NP_033770.2) (Arg277-Phe498) was expressed with a polyhistidine tag at the N-terminus.

Mouse

The recombinant mouse Angpt1 consists 241 amino acids and predicts a molecular mass of 28 kDa.

> 95 % as determined by SDS-PAGE.