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Nicotinic acetylcholine receptor (nAChR) agonists, antagonists and modulators act on ligand-gated cation channels. Each receptor is a pentamer of subunits arranged around a central pore that opens when acetylcholine binds. A refined structure of the Torpedo receptor at 4 Å resolution, published in 2005, resolved its ligand-binding, membrane and cytoplasmic regions. Muscle-type receptors mediate neuromuscular transmission, while neuronal subtypes such as α7 and α4β2 are studied in attention, memory and nicotine dependence. Agonists include PNU 282987, which is selective for α7, and the partial agonist varenicline. PNU-120596, described in 2005, is a positive allosteric modulator of α7 that enhances acetylcholine-evoked currents. Vecuronium bromide, a neuromuscular blocking agent, acts on the muscle-type receptor.
Synonyms: AT 1001
AT-1001 is a tight junction regulator and reverses leaky junctions to their normally closed state. It is being studied in people with celiac disease
Sazetidine A dihydrochloride is an α4β2 nicotinic acetylcholine receptor (nAChR) ligand known for its potent binding affinity and selectivity for this receptor subtype. It demonstrates significant pharmacological properties, making it a valuable tool for investigating nicotinic receptor-related conditions. Research applications include studies focused on ligand binding affinity and the exploration of analogs, contributing to the understanding of nAChR subtype selectivity.
Synonyms: 4,5,6,7-Tetrafluoro-L-tryptophan
F4-Trp (4,5,6,7-Tetrafluoro-L-tryptophan) is a selective ligand for the α3β4 nicotinic acetylcholine receptor (α3β4 nAChR). This compound exhibits significant activity in modulating neurotransmission and is valuable for studying addiction and related neurological disorders. F4-Trp serves as a critical tool for researchers investigating the intricate mechanisms of receptor function and the pathophysiology of associated diseases.
Sazetidine A hydrochloride is a potent ligand that targets the α4β2 nicotinic acetylcholine receptor (nAChR). It exhibits high binding affinity and selectivity for this receptor subtype, making it a valuable tool in pharmacological research. Its properties may contribute to the development of therapies for conditions related to nicotinic receptor dysfunction. Additionally, Sazetidine A hydrochloride serves as an important compound in studies investigating the binding affinities of various nAChR analogs, enhancing the understanding of subtype selectivity among ligands.
Hepzidine is a novel ligand for nicotinic acetylcholine receptors (nAChRs). It demonstrates binding affinity for acetylcholine binding protein (AChBP), making it a valuable tool in the study of cholinergic signaling. This compound is particularly relevant for neurobiological research, providing insights into the roles of nAChRs in various neurological conditions and processes.
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