Results 91 to 100 of about 2,979 (198)

Hypertensive Urgency after Administration of a Single Low Dose of Mirtazapine- A Case Report

open access: yesIranian Journal of Public Health, 2015
Mirtazapine is a new antidepressant that can increase noradrenergic and serotonergic neurotransmission. It is also a postsynaptic antagonist of 5-HT2 and 5-HT3.
Jiana Shi   +4 more
doaj  

Mechanisms of the antinociceptive action of (−) Epicatechin obtained from the hydroalcoholic fraction of Combretum leprosum Mart & Eic in rodents

open access: yesJournal of Biomedical Science, 2012
Background The mechanisms of the antinociceptive activity of (−) epicatechin (EPI), a compound isolated from the hydroalcoholic fraction of Combreum leprosum Mart & Eicher.
Lopes Luciano da   +6 more
doaj   +1 more source

Role of the thalamic parafascicular nucleus cholinergic system in the modulation of acute corneal nociception in rats [PDF]

open access: yesVeterinary Research Forum, 2011
The present study investigated the effects of microinjections of acetylcholine (a cholinergic agonist), physostigmine (a cholinesterase inhibitor), atropine (an antagonist of muscarinic cholinergic receptors) and hexamethonium (an antagonist of nicotinic
Esmaeal Tamaddonfard   +3 more
doaj  

Microscopy and spectroscopy approaches to study GPCR structure and function

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract The GPCR signalling cascade is a key pathway responsible for the signal transduction of a multitude of physical and chemical stimuli, including light, odorants, neurotransmitters and hormones. Understanding the structural and functional properties of the GPCR cascade requires direct observation of signalling processes in high spatial and ...
Tomáš Fessl   +2 more
wiley   +1 more source

M2 Muscarinic acetylcholine receptor modulates rat airway smooth muscle cell proliferation

open access: yesWorld Allergy Organization Journal, 2013
Airways chronic inflammatory conditions in asthma and COPD are characterized by tissue remodeling, being smooth muscle hyperplasia, the most important feature.
Fabiola A. Placeres-Uray   +5 more
doaj  

Establishment of a novel severe asthma canine model: Feasible research platform of respiratory intervention therapies

open access: yes
Allergy, EarlyView.
Di‐Fei Chen   +12 more
wiley   +1 more source

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

open access: yesBritish Journal of Pharmacology, EarlyView.
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

ERNEST COST action overview on the (patho)physiology of GPCRs and orphan GPCRs in the nervous system

open access: yesBritish Journal of Pharmacology, EarlyView.
G protein‐coupled receptors (GPCRs) are a large family of cell surface receptors that play a critical role in nervous system function by transmitting signals between cells and their environment. They are involved in many, if not all, nervous system processes, and their dysfunction has been linked to various neurological disorders representing important
Necla Birgül Iyison   +15 more
wiley   +1 more source

Antagonistic AI [PDF]

open access: yesarXiv
The vast majority of discourse around AI development assumes that subservient, "moral" models aligned with "human values" are universally beneficial -- in short, that good AI is sycophantic AI. We explore the shadow of the sycophantic paradigm, a design space we term antagonistic AI: AI systems that are disagreeable, rude, interrupting, confrontational,
arxiv  

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