نتایج جستجو برای: ht3a
تعداد نتایج: 167 فیلتر نتایج به سال:
THE IMPORTANCE OF SEROTONIN in gastrointestinal biology is often overlooked given the intense interest of investigators focused on neurotransmitter (mal)functions of the central nervous system. Regardless, the gastrointestinal tract is the major site of serotonin (5-hydroxytryptamine, 5-HT) production (95%) and its crucial role as a paracrine mediator and neurotransmitter in regulating gastroin...
Unlike many nicotinic subunits, the a l nicotinic subunit and the 5-HT3A subunit are able to form functional homomeric receptors. Despite sharing this ability, they have differences in cell-surface expression in human embryonic kidney (HEK) cells, with 5HT3A subunits forming a large number of functional receptors, whereas the a l subunit forms few or no correctly folded receptors as assayed by ...
Enhancement of 7 nicotinic acetylcholine receptor (nAChR) activity is considered a therapeutic approach for ameliorating cognitive deficits present in Alzheimer’s disease and schizophrenia. In this study, we describe the in vitro profile of a novel selective 7 nAChR agonist, 5-(6-[(3R)-1-azabicyclo[2,2,2]oct-3-yloxy]pyridazin-3-yl)-1H-indole (ABT-107). ABT-107 displayed high affinity binding to...
THE IMPORTANCE OF SEROTONIN in gastrointestinal biology is often overlooked given the intense interest of investigators focused on neurotransmitter (mal)functions of the central nervous system. Regardless, the gastrointestinal tract is the major site of serotonin (5-hydroxytryptamine, 5-HT) production (95%) and its crucial role as a paracrine mediator and neurotransmitter in regulating gastroin...
مقدمه: آرتریت روماتوئید یک بیماری مزمن التهابی اتوایمیون است که ابتدا مفاصل سینوویال را گرفتار و نهایتاٌ موجب تخریب غضروف و استخوان می شود. علت این بیماری هنوز ناشناخته است، اما عوامل ژنتیکی و محیطی هر دو در ایجاد آن نقش دارند. گیرنده های دوپامین و سروتونین از گروهg-protein coupled receptors (gpcrs) هستند. این گیرنده ها اثرات خود را از طریق متصل شدن به g پروتئین ها اعمال می کنند. از میان گیرنده ...
The receptor chimera 7–5HT3A has served as a prototype for understanding the pharmacology of 7 neuronal nicotinic receptors, yet its low single channel conductance has prevented studies of the activation kinetics of single receptor channels. In this study, we show that introducing mutations in the M3–M4 cytoplasmic linker of the chimera alters neither the apparent affinity for the agonist nor t...
Targeting 7 neuronal acetylcholine receptors (nAChRs) with selective agonists and positive allosteric modulators (PAMs) is considered a therapeutic approach for managing cognitive deficits in schizophrenia and Alzheimer’s disease. In this study, we describe a novel type II 7 PAM, 4-(5-(4-chlorophenyl)-2-methyl3-propionyl-1H-pyrrol-1-yl)benzenesulfonamide (A-867744), that exhibits a unique pharm...
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