Immunochemical analyses of protein expression and localization rely on the specificity of primary immunoreagents. A recent report, using transgenic mice, casts doubt on the specificity of three antibodies commonly used to immunolocalize alpha7 nicotinic ACh receptors. These data highlight the conundrum facing histologists--how 'real' is the labelling they see?
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.tins.2005.04.010 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
The stoichiometry of the α4β2 neuronal nicotinic acetylcholine receptors determines the pharmacological properties of the neonicotinoids, and recently introduced butenolide and sulfoximine.
Neurotoxicology
January 2025
Laboratoire Physiologie, Ecologie et Environnement (P2E), Université d'Orléans, UR 1207, USC-INRAE 1328, 1 rue de Chartres, Orléans 45067, France; Institut Universitaire de France (IUF), 1 rue Descartes, Paris 75005, France. Electronic address:
Although neonicotinoids were considered safe for mammals for many decades, recent research has proven that these insecticides can alter cholinergic functions by interacting with neuronal nicotinic acetylcholine (ACh) receptors (nAChRs). One such receptor is the heteromeric α4β2 nAChR, which exists under two different stoichiometries: high sensitivity and low sensitivity α4β2 nAChRs. To replace these insecticides, new classes of insecticides have been developed, such as, sulfoximine, sulfoxaflor, and the butenolide, flupyradifurone.
View Article and Find Full Text PDFThe regulatory action of acetylcholine and its receptors on B4 and C4 leukotriene formation in the porcine endometrium after experimental inflammogenic infection.
J Vet Res
December 2024
Division of Reproductive Biology, Institute of Animal Reproduction and Food Research of the Polish Academy of Sciences, 10-748 Olsztyn, Poland.
Introduction: Endometritis is a very common pathology in animals which changes endometrial leukotriene (LT) formation and muscarinic 2 and 3 receptor subtypes (M2R/M3R) and α-7 nicotinic acetylcholine (ACh) receptor (α-7 nAChR) expression patterns. With the relationship between ACh, its receptors and LT production remaining unclear, the role of M2R, M3R and α-7 nAChR in action of ACh on the 5-lipoxygenase (5-LO), LTA4 hydrolase (LTAH) and LTC4 synthase (LTCS) protein abundances in the inflamed porcine endometrium and on the tissue secretion of LTB4 and LTC4 were studied.
Material And Methods: On day three of the oestrous cycle in gilts aged 7-8 months, 50 mL of either saline solution (control group, n = 5) or an suspension at 10 colony-forming units/mL ( group, n = 5), was injected into each uterine horn.
Different Time Courses of Mono- and Bi-Liganded Bursts of Channel Openings of Adult nAChR Molecules Formed by the Reactions of Transmembrane Regions.
Cells
December 2024
Institute of Physiology, Department of Neurophysiology, University of Würzburg, Röntgenring 9, 97070 Würzburg, Germany.
We recorded transmembrane currents through single nicotinic acetylcholine receptors (nAChRs) in cell-attached patches at high temporal resolutions from cultured and transiently transfected HEK 293 cells. Receptor activation was elicited by acetylcholine (ACh) or epibatidine (Ebd) at concentrations ranging from 0.01 to 100 µM, binding to one (R or R) or both extracellular ligand binding sites (R).
View Article and Find Full Text PDFAccidental Organophosphate Poisoning in a Patient Due to a Bed Bug Pesticide in the United Kingdom: A Case Report.
Cureus
December 2024
Emergency Medicine, North West Regional Hospital, Burnie, AUS.
Organophosphate (OP) compounds, developed during World War II, are a group of chemicals used as pesticides, insecticides and herbicides. As irreversible inhibitors of the enzyme acetylcholinesterase (AChE), they reduce anti-cholinesterase activity and therefore increase acetylcholine (ACh) levels at the neuromuscular junction (NMJ). Diazinon, the OP leading to the patient's symptoms in this report, is an amber-brown liquid that was once the most widely used insecticide in the United States of America.
View Article and Find Full Text PDFAn α7 nicotinic and GABA receptor-mediated pathway controls acetylcholine release in the tripartite neuromuscular junction.
J Physiol
January 2025
Université Paris Cité, CNRS, ENS Paris Saclay, Centre Borelli UMR 9010, Paris, France.
Terminal Schwann cells (TSCs) are capable of regulating acetylcholine (ACh) release at the neuromuscular junction (NMJ). We have identified GABA as a gliotransmitter at mouse NMJs. When ACh activates α7 nicotinic ACh receptor (nAChRs) on TSCs, GABA is released and activates GABA receptors on the nerve terminal that subsequently reduce ACh release.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!