Results 81 to 90 of about 54,223 (288)

Arctic lake trout (Salvelinus namaycush) show evidence of seasonal acclimation of cardiac adrenergic sensitivity but not heat tolerance

open access: yesJournal of Fish Biology, EarlyView.
Abstract Many Arctic fishes experience prolonged periods of extreme cold and large thermal variation over both rapid and seasonal time scales which challenge critical physiological functions. In the central Canadian Arctic, we caught wild adult lake trout (Salvelinus namaycush) acclimatized to winter and summer temperatures to determine the extent to ...
Emily P. Williams   +6 more
wiley   +1 more source

Basic and Clinical Aspects of Non-neuronal Acetylcholine: Overview of Non-neuronal Cholinergic Systems and Their Biological

open access: yesJournal of Pharmacological Sciences, 2008
Acetylcholine (ACh) is a phylogenetically ancient molecule involved in cell-to-cell signaling in almost all life-forms on earth. Cholinergic components, including ACh, choline acetyltransferase, acetylcholinesterase, and muscarinic and nicotinic ACh ...
Significance Koichiro Kawashima   +1 more
doaj   +1 more source

The substrate of the biopsychosocial influences in the carcinogenesis of the digestive tract [PDF]

open access: yes, 2016
Digestive cancer represents a severe public health problem, being one of the main causes of death. It is considered a multifactorial disease, with hereditary predisposition, environmental factors, and other factors involved in carcinogenesis.
Caragea, Daniel   +5 more
core   +3 more sources

Anticholinergic Medication Burden Scales: A Systematic Review

open access: yesJournal of the American Geriatrics Society, EarlyView.
ABSTRACT Background Anticholinergic burden refers to the cumulative anticholinergic effect of all medications taken by an individual. Anticholinergic burden scales help identify patients at risk of anticholinergic adverse effects and guide prescribing. However, substantial variation exists between scales, with no gold standard identified.
Orla Vennard   +4 more
wiley   +1 more source

Association Between Cholinesterase Inhibitor‐Overactive Bladder Antimuscarinic Prescribing Cascade and Risk of Delirium and Falls Among Individuals Living With Dementia

open access: yesJournal of the American Geriatrics Society, EarlyView.
ABSTRACT Background Prescribing cascades occur when cholinesterase inhibitor (ChEI)‐induced urinary incontinence is misinterpreted as a new condition, leading to overactive bladder (OAB) antimuscarinic initiation. We evaluated whether the ChEI‐OAB antimuscarinic prescribing cascade was associated with delirium or falls compared with mirabegron in older
Sarah Beth Tucker   +9 more
wiley   +1 more source

Acetylcholine-induced inhibition of presynaptic calcium signals and transmitter release in the frog neuromuscular junction

open access: yesFrontiers in Physiology, 2016
Acetylcholine (ACh), released from axonal terminals of motor neurones in neuromuscular junctions regulates the efficacy of neurotransmission through activation of presynaptic nicotinic and muscarinic autoreceptors.
Eduard Khaziev   +14 more
doaj   +1 more source

Diabetes-induced alterations in urothelium function:Enhanced ATP release and nerve-evoked contractions in the streptozotocin rat bladder [PDF]

open access: yes, 2018
Up to 80% of patients with diabetes mellitus develop lower urinary tract complications, most commonly diabetic bladder dysfunction (DBD). The aim of this study was to investigate the impact of diabetes on the function of the inner bladder lining ...
Apodaca   +56 more
core   +1 more source

Co‐pathologies and biological processes beyond amyloid‐beta and tau in people with Alzheimer's disease: Evidence from clinical cohort studies

open access: yesJournal of Internal Medicine, EarlyView.
Abstract Alzheimer's disease (AD) is neuropathologically defined by amyloid‐beta (Aβ) plaques and tau neurofibrillary tangles. However, co‐pathologies and other pathobiological processes are involved in the pathogenesis of AD, contributing to neurodegeneration and clinical symptoms.
Daniel Ferreira   +9 more
wiley   +1 more source

The role of acetylcholine and its receptors in tumor immune regulation: mechanisms and potential therapeutic targets

open access: yesMolecular Cancer
Acetylcholine (ACh) is an essential neurotransmitter that has recently gained attention for its multifunctional role in tumor immune regulation.
Chunyu Zhang   +4 more
doaj   +1 more source

Multiple Residues in the Second Extracellular Loop Are Critical for M3 Muscarinic Acetylcholine Receptor Activation [PDF]

open access: yes, 2007
Recent studies suggest that the second extracellular loop (o2 loop) of bovine rhodopsin and other class I G protein-coupled receptors (GPCRs) targeted by biogenic amine ligands folds deeply into the transmembrane receptor core where the binding of cis ...
Kim, Soo-Kyung   +3 more
core   +1 more source

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