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Reagent Details

Adrenoceptor family

Catalogue number: CA200693
Product: β2 antagonist [(S)-propranolol-green]
Selectivity: β1: 6.42 | β2: 7.68 | β3: <4.0

Labelled with BODIPY-FL (green)

 
 
Pharmacophore (S)-Propranolol-derivative Catalogue Number Pack Size Price
Molecular Weight 736 CA200693-TK0* 0.05 mg £137.50*
Purity ≥97% CA200693-020 0.2 mg £500
Excitation 488 nm CA200693-050 0.5 mg £1200
Emission 525 nm CA200693-100 1.0 mg £2150

 

 
* Ordered as part of a TestKit comprising a selection of 4 ligands, listing 4 catalogue numbers ending in -TK0
 

 

Imaging information

For imaging at β1 / β2 / β3 adrenoceptors use solutions up to 100 nM.

Pharmacological Validation

The CA200693 ligand was shown to antagonize the activity of the non-selective β agonist, isoprenaline, in three separate recombinant CHO cell lines expressing either the human β1, β2 or β3 receptor and a cyclic AMP-responsive secreted placental alkaline phosphatase (SPAP) reporter gene.

The cyclic AMP-induced expression of SPAP was measured under basal and forskolin-stimulated (maximal) conditions. Addition of CA200693 to the basal or forskolin-stimulated cells did not significantly alter basal and stimulated SPAP levels, demonstrating that CA200693 has no intrinsic agonist activity at either β1, β2 or β3 receptors.

To determine the apparent KD for CA200693 at β1, β2 and β3 receptors, cells were treated with varying concentrations of isoprenaline alone, or in the presence of 1µM CA200693, and the cyclic AMP-induced expression of SPAP measured.

The apparent KD was calculated from the rightward shift of the agonist response curve in the presence of CA200693, compared to the response curve for the agonist alone, for β1, β2 and β3 receptor expressing cell lines.

 

How to Order