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Potent and selective A1 receptor inverse agonist. Exhibits high binding affinity at A1 receptor (Ki values are 0.07 and 0.96 nM for rat and human receptors respectively). Reduces basal [35S]-GTPγS binding 44.6% (IC50 = 0.19 nM). Antagonizes the effects of A1 agonist R-PIA (IC50 = 18.3 nM) and exhibits competitive antagonism on CCPA-induced tracheal contractions ex vivo. Displays 217- fold selectively over hA2A receptor and >1000-fold selectivity over hA3 receptor.
|Storage||Store at +4°C|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
|ethanol||3.5||10 with gentle warming|
Preparing Stock Solutions
The following data is based on the product molecular weight 350.39. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|1 mM||2.85 mL||14.27 mL||28.54 mL|
|5 mM||0.57 mL||2.85 mL||5.71 mL|
|10 mM||0.29 mL||1.43 mL||2.85 mL|
|50 mM||0.06 mL||0.29 mL||0.57 mL|
References are publications that support the biological activity of the product.
Lu et al (2014) PQ-69, a novel and selective adenosine A1 receptor antagonist with inverse agonist activity. Purinergic Signal. 10 619 PMID: 25248972
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Keywords: PQ 69, PQ 69 supplier, PQ69, Potent, selective, A1, antagonists, receptors, adenosines, inverse, agonists, Adenosine, Receptors, 5351, Tocris Bioscience
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Literature in this Area
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