نتایج جستجو برای: acetylcholinesterase ache
تعداد نتایج: 9824 فیلتر نتایج به سال:
acetylcholine (ACh) in prefrontal cortex (mPFC) plays an important role in some domains of cognitive function such as attention (1,2), and sensory gating (3). Therefore, measurement of ACh in a living animal is important for the development of novel drugs, as well as investigation of brain function. Microdialysis has proven to be a useful sampling technique in the brain of awake freelymoving an...
Acetylcholinesterase (AChE; EC 3.1.1.7) is a group of enzymes that catalyzes the hydrolysis neurotransmitter acetylcholine (ACh) into choline and acetate. AChE inhibition commonly utilized as biomarker for pesticides. In membrane based biosensors enzyme immobilization onto an electrode surface prime importance. previous studies, conducting polymers-based supports have been used AChE. this study...
Recently, several bis-pyridiniumaldoximes linked by a variable-length alkylene chain were rationally designed in our laboratories as cholinesterase reactivators. Extensive in vitro tests of these oximes with acetylcholinesterase inhibited by two different organophosphate agents, echothiophate and diisopropylfluorophosphate, revealed one compound with particularly good reactivation kinetics and ...
This paper describes an in vitro study of three potential acetylcholinesterase (AChE; EC 3.1.1.7) reactivators derived from a monoquaternary reactivator pralidoxime. Compounds used were pyridinium-2-aldoxime-4-carbamoyl-N-methyl iodide (TO231), pyridinium-2-aldoxime-4-ethoxycarbonyl-N-methyl iodide (TO237), and pyridinium-2-aldoxime-5-ethoxycarbonyl-N-methyl iodide (TO238). Pralidoxime and obid...
The YT blood group antigen is located on human red blood cell (RBC) acetylcholinesterase. Wild-type acetylcholinesterase, YT1, has histidine at codon 322, whereas the genetic variant of acetylcholinesterase, YT2, has asparagine. This mutation is located within exon 2 of the ACHE gene, an exon that is present in all alternatively spliced forms of acetylcholinesterase. Therefore, acetylcholineste...
Acetylcholinesterase (AChE) is an important enzyme in the control of the neuronal action potential and sensitive to organophosphate inhibition. Brain fish AChE is less sensitive to organophosphate inhibition than AChE from terrestrial animals, although this sensitivity is variable among species and has not yet been fully evaluated in fish species. In this setting, inhibition kinetic constants f...
Acetylcholinesterase (AChE) expression may be induced during apoptosis in various cell types. Here, we used the C-terminal of AChE to screen the human fetal brain library and found that it interacted with Ran-binding protein in the microtubule-organizing center (RanBPM). This interaction was further confirmed by coimmunoprecipitation analysis. In HEK293T cells, RanBPM and AChE were heterogeneou...
Application of acetylcholinesterase (AChE) inhibitors is the primary treatment for Alzheimer's disease. Alkaloids, such as physostigmine, galanthamine, and huperzine A, play an important role as AChE inhibitors. The aim of this work was to evaluate Himatanthus lancifolius (Muell. Arg.) Woodson, a Brazilian species of Apocynaceae, and its main indole alkaloid uleine, in order to identify new ACh...
Cognitive deficits in neuropsychiatric disorders, such as Alzheimer's disease (AD), have been closely related to cholinergic deficits. We have compared different markers of cholinergic function to assess the best biomarker of cognitive deficits associated to cholinergic hypoactivity. In post-mortem frontal cortex from AD patients, acetylcholine (ACh) levels, cholinacetyltransferase (ChAT) and a...
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