Results 81 to 90 of about 18,227 (256)

Insulin Oversecretion in MSG-Obese Rats is Related to Alterations in Cholinergic Muscarinic Receptor Subtypes in Pancreatic Islets

open access: yesCellular Physiology and Biochemistry, 2014
Background/ Aims: Impaired pancreatic beta cell function and insulin secretion/action are a link between obesity and type 2 diabetes, which are worldwide public health burdens.
Rosiane A. Miranda   +10 more
doaj   +1 more source

Molecular determinants of allosteric modulation at the M1 muscarinic acetylcholine receptor [PDF]

open access: yes, 2014
Background: BQCA is a selective allosteric modulator of the M1 mAChR. Results: Residues that govern BQCA activity were identified using mutagenesis and molecular modelling.
Abdul-Ridha   +57 more
core   +2 more sources

Cholinergic regulation of mood: from basic and clinical studies to emerging therapeutics. [PDF]

open access: yes, 2019
Mood disorders are highly prevalent and are the leading cause of disability worldwide. The neurobiological mechanisms underlying depression remain poorly understood, although theories regarding dysfunction within various neurotransmitter systems have ...
Dulawa, Stephanie C, Janowsky, David S
core  

Interactions between the neuromodulatory systems and the amygdala: exploratory survey using the Allen Mouse Brain Atlas. [PDF]

open access: yes, 2013
Neuromodulatory systems originate in nuclei localized in the subcortical region of the brain and control fundamental behaviors by interacting with many areas of the central nervous system.
Krichmar, Jeffrey L, Zaldivar, Andrew
core   +1 more source

Subtle changes in striatal muscarinic M1 and M4 receptor expression in the DYT1 knock-in mouse model of dystonia.

open access: yesPLoS ONE, 2019
In early-onset generalized torsion dystonia, caused by a GAG deletion in TOR1A (DYT1), enhanced striatal cholinergic activity has been suggested to be critically involved. Previous studies have shown increased acetylcholine levels in the striatum of DYT1
Franziska Richter   +3 more
doaj   +1 more source

Assessment of the molecular mechanisms of action of novel 4-phenylpyridine-2-one and 6-phenylpyrimidin-4-one allosteric modulators at the M1 muscarinic acetylcholine receptors [PDF]

open access: yes, 2018
Positive allosteric modulators (PAMs) that target the M1 muscarinic acetylcholine (ACh) receptor (M1 mAChR) are potential treatments for cognitive deficits in conditions such as Alzheimer's disease and schizophrenia.
Andrew B. Tobin   +15 more
core   +2 more sources

G protein‐coupled receptor‐mediated autophagy in health and disease

open access: yesBritish Journal of Pharmacology, Volume 182, Issue 14, Page 3151-3162, July 2025.
G protein‐coupled receptors (GPCRs) constitute the largest and most diverse superfamily of mammalian transmembrane proteins. These receptors are involved in a wide range of physiological functions and are targets for more than a third of available drugs in the market. Autophagy is a cellular process involved in degrading damaged proteins and organelles
Devrim Öz‐Arslan   +2 more
wiley   +1 more source

Rab11a and Myosin Vb Regulate Recycling of the M4Muscarinic Acetylcholine Receptor [PDF]

open access: yesThe Journal of Neuroscience, 2002
Agonist-induced internalization followed by subsequent return to the cell surface regulates G-protein-coupled receptor (GPCR) activity. Because the cellular responsiveness to ligand depends on the balance between receptor degradation and recycling, it is crucial to identify the molecules involved in GPCR recovery to the cell surface.
James J. Lah   +4 more
openaire   +3 more sources

Activation of Muscarinic Acetylcholine Receptor Subtype 4 is Essential for Cholinergic Stimulation of Gastric Acid Secretion - Relation To D Cell/Somatostatin -

open access: yesFrontiers in Pharmacology, 2016
Background/Aim: Muscarinic acetylcholine receptors exist in five subtypes (M1~M5), and they are widely expressed in various tissues to mediate diverse autonomic functions, including gastric secretion.
Koji Takeuchi   +4 more
doaj   +1 more source

Mechanistic insights into allosteric structure-function relationships at the M1 muscarinic acetylcholine receptor [PDF]

open access: yes, 2014
Background: Selective and potent positive allosteric modulators (PAMs) of the M1 mAChR have been recently described. Results: Use of structural analogues and mutagenic mapping identified the mechanistic basis for increased PAM activity.
Abdul-Ridha   +42 more
core   +2 more sources

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