Human beta-2 Adrenergic R/ADRB2 Alexa Fluor® 488-conjugated Antibody

Catalog # Availability Size / Price Qty
FAB100401G-100UG
R&D Systems Antibodies
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Human beta-2 Adrenergic R/ADRB2 Alexa Fluor® 488-conjugated Antibody Summary

Species Reactivity
Human
Specificity
Detects human beta ‑2 Adrenergic R/ADRB2 in direct ELISAs.
Source
Monoclonal Mouse IgG1 Clone # 586107
Purification
Protein A or G purified from hybridoma culture supernatant
Immunogen
NS0 mouse myeloma cell line transfected with human beta ‑2 Adrenergic R/ADRB2
Accession # P07550
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Label
Alexa Fluor 488 (Excitation= 488 nm, Emission= 515-545 nm)

Applications

Recommended Concentration
Sample
Flow Cytometry
0.25-1 µg/106 cells
HEK293 Human Cell Line Transfected with Human beta -2 Adrenergic R/ADRB2 and eGFP

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.

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Preparation and Storage

Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
  • 12 months from date of receipt, 2 to 8 °C as supplied.

Background: beta-2 Adrenergic R/ADRB2

Beta-2 adrenoceptor (ADRB2) is a 413 amino acids adrenergic receptor expressed in smooth muscle and metabolic tissues. Beta-adrenergic receptors belong to the seven-transmembrane domain/GPCR family of receptors and mediate the catecholamine-induced activation of adenylate cyclase through the action of G proteins. Activation of ADRB2 induces a decrease in gastrointestinal motility, bronchodilation, vasodilation in skeletal and cardiac muscle, and glycogenolysis in liver. Agonists of ADRB2 are most widely used for the treatment of asthma. In complex with beta-arrestin-1 and c-src, the beta-2 adrenergic receptor activates MAP kinases ERK1(MAPK3) and ERK2 (MAPK1). Expression of the beta-2 adrenoceptor has been reported in adipose, blood, brain, heart, lung, nose, pancreas, skeletal muscle, skin, and vessel.

Long Name
Beta-2 Adrenergic Receptor
Entrez Gene IDs
154 (Human); 11555 (Mouse); 24176 (Rat)
Alternate Names
ADRB2; ADRB2R; ADRBR; adrenergic, beta-2-, receptor, surface; B2AR; B2ARADRB2R; BAR; beta-2 Adrenergic R; beta-2 adrenergic receptor; beta2 AdrenergicR; beta-2 AdrenergicR; Beta-2 adrenoceptor; Beta-2 adrenoreceptor; BETA2AR; catecholamine receptor

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Product Specific Notices


This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.

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Human beta-2 Adrenergic R/ADRB2 Alexa Fluor® 488-conjugated Antibody
By Chunxiao Zhang on 06/29/2023
Application: Flow Sample Tested: U937 human histiocytic lymphoma cell line Species: Human

We titrated this ab in cell lines U937 and MOLM13 with concentrations range from 1:320 to 1:20 by dilution factor 4. There is no good separation between isotype control and ADRB2-AF488 even with 1:20.In U937, it's better but the data is still not convincing to me.
Till now I am not sure if it's because of low expression of ADRB2 or weak affinity between ADRB2 and its antibody, or the quality of this antibody for flow cytometry.