Human Angiopoietin-1 Antibody
Human Angiopoietin-1 Antibody Summary
Accession # Q15389
Human Angiopoietin-1 Sandwich Immunoassay
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Angiopoietin-1 (Ang-1) and Angiopoietin-2 (Ang-2) are two closely related secreted ligands which bind with similar affinity to Tie-2, a receptor tyrosine kinase with immunoglobulin and epidermal growth factor homology domains expressed primarily on endothelial cells and early hematopoietic cells. Tie-2 and angiopoietins have been shown to play critical roles in embryogenic angiogenesis and in maintaining the integrity of the adult vasculature (1). Ang-1 cDNA encodes a 498 amino acid (aa) residue precursor protein that contains a coiled-coiled domain near the amino-terminus and a fibrinogen-like domain at the C-terminus. Human Ang-1 shares approximately 97% and 60% aa sequence identity with mouse Ang‑1 and human Ang‑2, respectively (1, 2). Ang-1 activates Tie-2 signaling on endothelial cells to promote chemotaxis, cell survival, cell sprouting, vessel growth and stabilization (1, 3, 4). Ang-2 has alternatively been reported to be an antagonist for Ang-1 induced Tie-2 signaling as well as an agonist for Tie-2 signaling, depending on the cell context (5).
- Jones, N. et al. (2001) Nat. Rev. Mol. Cell Biol. 2:257.
- Davis, S. et al. (1996) Cell 87:1161.
- Witzenbichler, B. et al. (1998) J. Biol. Chem. 273:18514.
- Papapetropoulos, A. et al. (1999) Lab. Inest. 79:213.
- Teichert-Kuliszewska, K. et al. (2001) Cardiovasc. Res. 49:659.
Citations for Human Angiopoietin-1 Antibody
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Angiopoietin-2 levels are elevated in exudative pleural effusions.
Authors: Kalomenidis I, Kollintza A, Sigala I, Papapetropoulos A, Papiris S, Light RW, Roussos C
Sample Types: Serum
Applications: ELISA Development
Plasma angiopoietin-1, angiopoietin-2 and Tie-2 in breast and prostate cancer: a comparison with VEGF and Flt-1.
Authors: Caine GJ, Blann AD, Stonelake PS, Ryan P, Lip GY
Eur. J. Clin. Invest., 2003;33(10):883-90.
Sample Types: Plasma
Applications: ELISA Development
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