BIMU8 hydrate is a potent 5-HT4 serotonin receptor agonist.
BIMU8 hydrate is a potent 5-HT4 serotonin receptor agonist. Serotonin (5-HT) is a major neurotransmitter that acts through a family of GPCRs and one ion channel. 5-HT4 receptor is GPCR expressed in many tissues, including brain, and modulates dopamine secretion, learning, and memory. BIMU8 is a full agonist at 5-HT4, but it binds differently than the endogenous ligand, 5-HT, shown through site-directed mutagenesis studies. It depolarizes neurons and was used to localize 5-HT4 to somatic but not dendritic regions of CA1 pyramidal neurons.
The Journal of pharmacology and experimental therapeutics, 286(3), 1115-1121 (1998-09-11)
The effects of the administration of different 5-HT4 receptor antagonists (SDZ 205557, GR 125487) and 5-HT4 receptor agonists (BIMU 1, BIMU 8) on memory processes were evaluated in the mouse passive avoidance test. The administration of SDZ 205557 (10 mg
The effect of the serotonergic 5-HT4 receptor agonists BIMU 1 and BIMU 8 on in vivo acetylcholine (ACh) release in brain hemispheric regions of freely moving rats was investigated using the microdialysis technique. Both agonists, applied intracerebroventricularly, facilitated the release
Pharmacology, biochemistry, and behavior, 56(3), 347-351 (1997-03-01)
In the present work, the effects of pre- or post-training (ip) injection of BIMU1 and BIMU8 (5-HT4 agonists) were figured out in the autoshaping learning task. Furthermore, the post-training effects of these agonists after treatment with SDZ 205-557 and GR
European journal of pharmacology, 278(1), 67-74 (1995-05-04)
Intracellular electrophysiological methods were used to examine the effects of 5-hydroxytryptamine (5-HT), 5-carboxamidotryptamine (5-CT), 5-methoxytryptamine (5-MeOT), 4-amino-5-chloro-2-methoxy-N-(4-[1-azabicyclo[3,3,1]nonyl]) benzamide hydrochloride (renzapride), cis-4-amino-5-chloro-N[1-[3- (4-fluorophenoxy)propyl]-3-methoxy-4-piperidinyl[-2-methoxybenzamide monohydrate (cisapride) and endo-N-(8-methyl-8-azabicyclo[3.2.1]oct-3-yl)-2,3-dihydro-3- (1-methyl)ethyl-2-oxo-1 H-benzimidazole-1-carboxamidehydrochloride (BIMU 8) on noncholineric slow excitatory postsynaptic potentials (slow EPSPs) in myenteric
The Journal of pharmacology and experimental therapeutics, 261(2), 412-419 (1992-05-01)
The influence of three azabicycloalkyl benzimidazolone derivatives, DAU 6236, BIMU 1 and BIMU 8, which act as agonists at central 5-hydroxytryptamine (5-HT)4 receptors, has been investigated on cholinergic neuromuscular transmission and peristalsis in the guinea pig small intestine. In the
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