Results 31 to 40 of about 13,945 (210)

Additive interaction of intrathecal ginsenosides and neostigmine in the rat formalin test [PDF]

open access: yesKorean Journal of Anesthesiology, 2013
BackgroundThe authors evaluated the effect of intrathecal mixture of ginsenosides with neostigmine on formalin-induced nociception and made further clear the role of the spinal muscarinic (M) receptors on the activity of ginsenosides.MethodsA catheter ...
Cheon-Hee Park   +3 more
doaj   +1 more source

Adenine Sulfate Improves Cardiac Function and the Cardiac Cholinergic System After Myocardial Infarction in Rats

open access: yesJournal of Pharmacological Sciences, 2011
Recent studies have shown that vagal activation may have an important therapeutic implication for myocardial infarction (MI), but effective strategies remain unexplored.
Lei Sun   +8 more
doaj   +1 more source

Synthesis of New Cardioselective M2 Muscarinic Receptor Antagonists.

open access: yesChemical and Pharmaceutical Bulletin, 2000
A series of 5H-dibenz[b,f]azepine derivatives was prepared and evaluated for binding affinities to muscarinic receptors in vitro. Among them, compound 8 showed a high affinity for human recombinant M2 receptors (Ki=2.6 nm), a low affinity for M4 receptors (39-fold less than for M2 receptors) and a very low affinity for M1 and M3 receptors (119- and 112-
MANDELLI, Giacomina R.   +5 more
openaire   +3 more sources

Autoradiography of 3H-pirenzepine and 3H-AFDX-384 in Mouse Brain Regions: Possible Insights into M1, M2, and M4 Muscarinic Receptors Distribution

open access: yesFrontiers in Pharmacology, 2018
Autoradiography helps to determine the distribution and density of muscarinic receptor (MR) binding sites in the brain. However, it relies on the selectivity of radioligands toward their target.
Paulina Valuskova   +4 more
doaj   +1 more source

Involvement of muscarinic receptors in psychomotor hyperactivity in dopamine-deficient mice

open access: yesMolecular Brain, 2022
Dopamine-deficient (DD) mice exhibit psychomotor hyperactivity that might be related to a decrease in muscarinic signaling. In the present study, muscarinic acetylcholine receptor M2 (CHRM2) density decreased in the cortex in DD mice. This is significant
Masayo Fujita   +6 more
doaj   +1 more source

General anaesthesia-related complications of gut motility with a focus on cholinergic mechanisms, TRP channels and visceral pain

open access: yesFrontiers in Physiology, 2023
General anesthesia produces multiple side effects. Notably, it temporarily impairs gastrointestinal motility following surgery and causes the so-called postoperative ileus (POI), a multifactorial and complex condition that develops secondary to ...
Alexander V. Zholos   +3 more
doaj   +1 more source

Vibrational spectroscopy analysis of ligand efficacy in human M2 muscarinic acetylcholine receptor (M2R)

open access: yesCommunications Biology, 2021
Katayama et al. report a vibrational spectroscopic study using ATR–FTIR of the human M2 muscarinic acetylcholine receptor (M2R). Their work involves an extensive comparison of agonists, antagonists, and inverse agonists, in which they show that they C ...
Kota Katayama   +8 more
doaj   +1 more source

Trafficking of M2 Muscarinic Acetylcholine Receptors [PDF]

open access: yesJournal of Biological Chemistry, 1999
Internalization is an important mechanism regulating the agonist-dependent responses of G-protein-coupled receptors. The internalization of the M(2) muscarinic cholinergic receptors (mAChR) in HEK293 cells has been demonstrated to occur by an unknown mechanism that is independent of arrestins and dynamin.
A G, Roseberry, M M, Hosey
openaire   +2 more sources

The N8-Iper agonist of the human muscarinic receptor M2 induces mitochondrial dysfunction in S. cerevisiae

open access: yes, 2023
Glioblastoma is a malignant human brain tumor of the astrocytic type. The activation of M2 muscarinic receptor (a G protein-coupled receptor, GPCR) by orthosteric agonist Arecaidine Propargyl Ester (APE) and dualsteric agonist N-8-Iper (N8) caused a ...
Antonia Amelina   +9 more
core  

Muscarinic M2 acetylcholine receptor distribution in the guinea-pig gastrointestinal tract [PDF]

open access: yes, 2006
In the enteric nervous system, acetylcholine is the most common neurotransmitter to induce gastrointestinal smooth muscle contractions. Cholinergic signaling is mediated by muscarinic acetylcholine receptors on the surface of smooth muscle cells.
NOJYO, Yoshiaki, IINO, Satoshi
core   +1 more source

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