Recombinant Human Angiopoietin‑1 (Catalog # 923-AN)
Human Angiopoietin-1 Sandwich Immunoassay
ELISA Capture (Matched Antibody Pair)
Human Angiopoietin‑1 Antibody (Catalog #
ELISA Detection (Matched Antibody Pair)
Human Angiopoietin‑1 Biotinylated Antibody (Catalog #
Recombinant Human Angiopoietin-1 Protein (Catalog #
Please Note: Optimal dilutions should be determined by each laboratory for each application.
are available in the Technical Information section on our website.
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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.
R&D Systems personnel manually curate a database that contains references using R&D Systems products.
The data collected includes not only links to publications in PubMed,
but also provides information about sample types, species, and experimental conditions.
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