Results 41 to 50 of about 17,647 (177)

Dualsteric and dual‐acting modulation of muscarinic receptors by antagonist KH‐5

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract Background and purpose Muscarinic acetylcholine receptors are key therapeutic targets, and ligands engaging both orthosteric and allosteric sites may offer improved selectivity and efficacy. Here, we investigated whether the muscarinic antagonist KH‐5 acts as a dualsteric antagonist and defined its mode of interaction with muscarinic receptors.
Alena Janoušková‐Randáková   +3 more
wiley   +1 more source

Muscarinic agonists for schizophrenia: Bridging preclinical evidence and clinical enthusiasm

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract Antipsychotic drugs targeting dopamine receptors have been used to treat schizophrenia for decades, primarily alleviating positive symptoms such as hallucinations and delusions. However, they provide limited benefit for cognitive and negative symptoms—major contributors to poor outcomes—and are frequently associated with significant side ...
Brian J. Morris, Judith A. Pratt
wiley   +1 more source

Essential medications in palliative care: an updated survey of Australian and New Zealand medical practitioners practising palliative care

open access: yesInternal Medicine Journal, EarlyView.
Abstract Background Palliative care patients experience complex symptoms requiring varied pharmacological management. Medication choice depends on the underlying aetiology of symptoms, guideline recommendations, clinician preference and medication availability.
Jack Power   +10 more
wiley   +1 more source

Is sleep affected after microgravity and hypergravity exposure? A pilot study

open access: yesJournal of Sleep Research, Volume 34, Issue 2, April 2025.
Summary Sleep is known to be affected in space travel and in residents of the international space station. But little is known about the direct effects of gravity changes on sleep, if other factors, such as sleep conditions, are kept constant. Here, as a first exploration, we investigated sleep before and after exposure to short bouts of microgravity ...
Barbara Le Roy   +9 more
wiley   +1 more source

Cholinergic control of visual categorisation in macaques

open access: yesFrontiers in Behavioral Neuroscience, 2011
Acetylcholine (ACh) is a neurotransmitter acting via muscarinic and nicotinic receptors that is implicated in several cognitive functions and impairments, such as Alzheimer’s disease. It is believed to especially affect the acquisition of new information,
Nikolaos C. Aggelopoulos   +5 more
doaj   +1 more source

Knocking Out Two Polyphenol Oxidase Genes Significantly Improves Recombinant Protein Purification in Nicotiana benthamiana

open access: yesPlant Biotechnology Journal, EarlyView.
ABSTRACT Efficient purification remains a key technical challenge affecting the recovery efficiency of recombinant proteins in plant‐based systems. Complex metabolites, particularly polyphenols, often cause recombinant protein aggregation during purification.
Hai‐Ping Diao   +7 more
wiley   +1 more source

Ameliorative Impact of Piracetam on Cognitive Dysfunction Associated with Animal Model of Alzheimer's Disease

open access: yesZagazig Journal of Pharmaceutical Sciences, 2013
Most of the current evidence for the impact of piracetam on memory consolidation originates from animal and human studies. However, the exact mechanism that underlies memory improvement is yet to be determined.
Ibrahim Alhaider
doaj   +1 more source

Effect of crocin on histological changes of hippocampus and memory impairment induced by scopolamine in male rats

open access: yesمجله دانشگاه علوم پزشکی گرگان, 2020
Background and Objective: Alzheimer is the most common form of dementia in elderly persons. Oxidative stress is one of the main pathological factors in Alzheimer’s disease.
Hamidreza Sameni   +5 more
doaj  

Ameliorating the effect of Zingiber officinale (ginger) hydroethanolic extract on scopolamine-induced memory impairment in adult male rats [PDF]

open access: yesAdvanced Herbal Medicine, 2016
Background and aims: The spice Zingiber officinale or ginger possesses antioxidant and neuroprotective effects. In this study we hypothesized that treatment with hydroethanolic extract of ginger (50, 100 and 200 mg/kg, p.o) would have an effect on the ...
Abdolkarim Hosseini   +3 more
doaj  

A simple square-wave voltammetric method for the determination of scopolamine in pharmaceuticals using a boron-doped diamond electrode

open access: yesQuímica Nova, 2014
A simple procedure is described for the determination of scopolamine by square-wave voltammetry using a cathodically pretreated boron-doped diamond electrode. Cyclic voltammetry studies indicate that the oxidation of scopolamine is irreversible at a peak
Simone Birkheur Santos   +5 more
doaj   +1 more source

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