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High affinity, selective muscarinic M2 receptor antagonist (pKi values are 8.3, 7.7 and 6.82 for M2, M1 and M3 receptors, respectively). Displays cardioselectivity in vivo, over intestinal, tracheal and bladder muscarinic receptors; inhibits vagally and agonist-induced bradycardia.
|Storage||Store at RT|
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|
Preparing Stock Solutions
The following data is based on the product molecular weight 463.62. 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||2.16 mL||10.78 mL||21.57 mL|
|5 mM||0.43 mL||2.16 mL||4.31 mL|
|10 mM||0.22 mL||1.08 mL||2.16 mL|
|50 mM||0.04 mL||0.22 mL||0.43 mL|
References are publications that support the biological activity of the product.
Doods et al (1991) Cardioselectivity of AQ-RA 741, a novel tricyclic antimuscarinic drug. Eur.J.Pharmacol. 192 147 PMID: 2040358
Dorje et al (1991) Antagonist binding profiles of five cloned human muscarinic receptor subtypes. J.Pharmacol.Exp.Ther. 256 727 PMID: 1994002
Doods et al (1994) Pharmacological profile of selective muscarinic receptor antagonists on guinea-pig ileal smooth muscle. Eur.J.Pharmacol. 253 275 PMID: 8200421
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Keywords: AQ-RA 741, AQ-RA 741 supplier, Selective, high, affinity, M2, antagonists, Muscarinic, Receptors, Acetylcholine, ACh, AQRA741, 2292, Tocris Bioscience
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Literature in this Area
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Alzheimer's disease (AD) is a degenerative brain disease and the most common cause of dementia, affecting approximately 47 million people worldwide. Updated in 2015, this poster summarizes the structural and functional changes observed in the progression of this neurodegenerative disease, as well as classic AD drug targets.
Learning & Memory Poster
Recognition memory enables us to make judgements about whether or not we have encountered a particular stimulus before. This poster outlines the cellular mechanisms underlying recognition memory and its links to long-term depression, as well as the use of pharmacological intervention to assess the role of neurotransmitters in recognition memory.
Schizophrenia is a debilitating psychiatric disorder that affects 1% of the worldwide population. This poster describes the neurobiology of Schizophrenia, as well as highlighting the genetic and environmental factors that play a fundamental role in the etiology of the disease. The current and emerging drug targets are also discussed.