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Primary Antibodies  >  Cytokines & Growth Factor Antibodies

Angiopoietin 1 Antibody

Rabbit Polyclonal


200 µL


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Rabbit anti-Ang-1 was used at a 1:500 dilution to detect mouse Ang-1 by western blot against supernatants of mouse angiopoietin-expressing endothelial cells.   Lane 1 - wt endothelial cells.  Lane 2 - mouse Ang-1 (clone 1-8) expressing cells.  Lane 3 - mouse Ang-1 (clone 1-15) expressing cells.  Lane 4 - mouse Ang-2 (clone 2-9) expressing cells.  Approximately 20 µg of each lysate was used for 10% SDS-PAGE.  Immunoprecip-itation preceded the reaction with primary antibody at room temperature for 1 h.  After subsequent washing, a 1:5,000 dilution of HRP conjugated Gt-a-Rabbit IgG (611-103-122) preceded color development.
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$20.00 to United States
Synonyms: AGP 1 antibody, AGP1 antibody, AGPT antibody, ANG 1 antibody, ANG1 antibody, Angiopoietin1 antibody, ANGPT 1 antibody, ANGPT1 antibody, KIAA0003 antibody

Angiopoietin 1 Antibody Properties

Anti-Angiopoietin 1 (RABBIT) Antibody - 100-401-403
Target Species
Known Cross Reactivity
human, mouse
ELISA : 1:5,000 - 1:25,000
Western Blot : 1:500-1:2,000
Immunohistochemistry: 1:200-1:800
Other Dilution: User Optimized
Physical State
Liquid (sterile filtered)
Shipping condition
Dry Ice
80 mg/mL by Refractometry
0.02 M Potassium Phosphate, 0.15 M Sodium Chloride, pH 7.2
0.01% (w/v) Sodium Azide
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Angiopoietin 1 Antibody Description

Anti Antiopoietin-1 Antibody recognizes Angiopoietin-1 (Ang-1) that has importance in the development of the endothelium by regulating tyrosine phosphorylation of the membrane receptor Tie-2/Tek. Ang-1 binding to Tie-2/Tek causes phosphorylation of the receptor. Ang-2 competes for this binding, and thus blocks receptor phosphorylation. Ang-1 has a potential fibrinogen-like domain at the carboxyl terminus and coiled-coil regions in the amino terminus. Ang-1 is prominently expressed in the myocardium of atrium and ventricle, mesenchymal and smooth muscle cells surrounding most blood vessels, and lung. In the adult, Ang-1 is also expressed in the heart and liver. This antibody is suitable for cardiovascular research.
This whole rabbit serum was prepared by repeated immunizations with a synthetic peptide N-Q-R-R-N-P-E-N-G-G-R-R-Y-N-R-I-Q-H-G-Q corresponding to a region (aa 21-40) near the N-terminus of mouse angiopoietin 1 protein conjugated to KLH using maleimide. A residue of cysteine was added to the amino terminal end to facilitate coupling.
Immunogen Type
Storage Condition
Store vial at -20° C prior to opening. Aliquot contents and freeze at -20° C or below for extended storage. Avoid cycles of freezing and thawing. Centrifuge product if not completely clear after standing at room temperature. This product is stable for several weeks at 4° C as an undiluted liquid. Dilute only prior to immediate use.
Application Note
Suitable for western blotting, Immunohistochemistry (IHC) and other antibody based assays.  A 1:500 dilution is recommended for western blotting.  The reaction of this antiserum directly with cell supernatants may result in high background due to reactivity of components in the serum.  This can be alleviated by first immunoprecipitating the antibody:antigen complex and then detecting the antigen. This method results in a very clean and strong signal.  Both Ang-1 and Ang-2 proteins have predicted molecular weights of approximately 57 kDa and appear on western blots close to their predicted molecular weights.  In some instances additional bands may be seen at approximately 75 kDa which represent highly glycosylated forms of the protein that migrate at a higher apparent molecular weight.
Antiopoietin 1 is directed against mouse angiopoietin1 and shows no reactivity with mouse angiopoietin2.  A 57 kDa band is detected when assayed by immunoblot.  This reagent cross-reacts with human angiopoietin 1.  Partially cross reactivity is noted with human angiopoietin 2.
Disclaimer Note-General
This product is for research use only and is not intended for therapeutic or diagnostic applications. Please contact a technical service representative for more information. All products of animal origin manufactured by Rockland Immunochemicals are derived from starting materials of North American origin. Collection was performed in United States Department of Agriculture (USDA) inspected facilities and all materials have been inspected and certified to be free of disease and suitable for exportation. All properties listed are typical characteristics and are not specifications. All suggestions and data are offered in good faith but without guarantee as conditions and methods of use of our products are beyond our control. All claims must be made within 30 days following the date of delivery. The prospective user must determine the suitability of our materials before adopting them on a commercial scale. Suggested uses of our products are not recommendations to use our products in violation of any patent or as a license under any patent of Rockland Immunochemicals, Inc. If you require a commercial license to use this material and do not have one, then return this material, unopened to: Rockland Inc., P.O. BOX 5199, Limerick, Pennsylvania, USA.
General Reference
Suri, C., Jones, P.F., Patan, S., Bartunkova, S., Maisonpierre, P.C., Davis, S., Sato, T.N. and Yancopoulos, G.D. (1996)  Requisite role of angiopoietin-1, a ligand for the TIE2 receptor, during embryonic angiogenesis. Cell, 87(7): 1171-1180. Davis, S., Aldrich, T.H., Jones, P.F., Acheson, A., Compton, D.L., Jain, V., Ryan, T.E., Bruno, J., Radziejewski, C., Maisonpierre, P.C. and Yancopoulos, G.D. (1996)  Isolation of angiopoietin-1, a ligand for the TIE2 receptor, by secretion-trap expression cloning. Cell, 87(7): 1161-1169. Maisonpierre, P.C., Suri, C., Jones, P.F., Bartunkova, S., Wiegand, S.J., Radziejewski, C., Compton, D., McClain, J., Aldrich, T.H., Papadopoulos, N., Daly, T.J., Davis, S., Sato, T.N. and Yancopoulos, G.D.  (1997)  Angiopoietin-2, a natural antagonist for Tie2 that disrupts in vivo angiogenesis. Science, 277(5322): 55-60.
Specific Reference
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Product Type
Proteins and Peptides;
Catalog Number

Product Type
Primary Antibodies;
Reacts With
human, mouse
Catalog Number

Product Type
Secondary Antibodies;
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Product Type
Supporting Reagents;
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Conjugation Reference
Molecular Weight
Excitation Wavelength
Conjugation Chemistry