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Total 18 results found since Jan 2013.
Donepezil down-regulates propionylation, 2-hydroxyisobutyrylation, butyrylation, succinylation, and crotonylation in the brain of bilateral common carotid artery occlusion-induced vascular dementia rats.
In this study, we evaluated the effects of donepezil on VaD, and investigated the underlying molecular mechanisms of action. VaD was established by ligation of the bilateral common carotid artery occlusion (BCCAO). Executive function was tested by the Morris Water Maze (MWM) test and the attentional set shifting task (ASST). Our results showed that donepezil improved executive dysfunction and cognitive flexibility in BCCAO rats. In addition, we showed that donepezil treatment decreased the level of Aβ1-42 in BCCAO rats by enzyme-linked immunosorbent assay. Posttranslational modifications (PTMs) are known to be critical me...
Source: Clinical and Experimental Pharmacology and Physiology - May 18, 2020 Category: Drugs & Pharmacology Authors: Wang H, Lu J, Gao WC, Ma X, Li N, Ding Z, Wu C, Zhu M, Qiao G, Xiao C, Zhang C, Chen C, Weng Z, Yang W, Zheng CB Tags: Clin Exp Pharmacol Physiol Source Type: research
Donepezil improves gait performance in patients with an acute cerebral infarction: a prospective observational cohort study.
CONCLUSION: Admission NIHSS score, age and multiple sites infarction were independent risk factors of WGS score. Donepezil could improve gait performance in patients with an acute cerebral infarction. PMID: 32282302 [PubMed - as supplied by publisher]
Source: Current Neurovascular Research - April 13, 2020 Category: Neurology Authors: Lin YY, Guo SJ, Quan H, Zhao YX, Huang DY Tags: Curr Neurovasc Res Source Type: research
Donepezil promotes neurogenesis via Src signaling pathway in a rat model of chronic cerebral hypoperfusion.
In this study, we investigated whether donepezil could promote SVZ neurogenesis in chronic cerebral hypoperfusion (CCH) injury via Src signaling pathway. In the bilateral carotid artery occlusion (2VO) rat model, we observed more nestin/5-bromo-2'-deoxyuridine (BrdU)-positive cells and doublecortin (DCX)/BrdU-positive cells in the SVZ than that in the sham group. Further, donepezil obviously improved neurologic function after 2VO, induced the greater number of SVZ proliferative NSCs and neuroblasts, and elevated levels of Src, p-FGFR1, p-EGFR, p-Akt and p-Raf in ipsilateral SVZ. Lastly, Src inhibitor KX-01 abolished the be...
Source: Brain Research - March 14, 2020 Category: Neurology Authors: Man J, Cui K, Fu X, Zhang D, Lu Z, Gao Y, Yu L, Li N, Wang J Tags: Brain Res Source Type: research
The efficacy and safety of pharmacological treatments for post-stroke aphasia.
Conclusions Current evidence suggests that drugs can improve the prognosis of post-stroke aphasia, such as donepezil, memantine. Donepezil has a significant effect in improving the ability of auditory comprehension, naming, repetition and oral expression. Memantine has a significant effect in improving the ability of naming, spontaneous speech and repetition. Bromocriptine showed no significant improvement in the treatment of aphasia after stroke. The trial for galantamine, amphetamine and levodopa in the treatment of aphasia after stroke is limited and inconclusive. PMID: 29984673 [PubMed - as supplied by publisher]
Source: CNS and Neurological Disorders Drug Targets - July 6, 2018 Category: Drugs & Pharmacology Authors: Zhang X, Shu B, Zhang D, Huang L, Fu Q, Du G Tags: CNS Neurol Disord Drug Targets Source Type: research
Acute aortic occlusion in a patient without risk factors
A 94-year-old female with a history of ischemic stroke, mild right hemiparesis, vascular dementia, breast cancer with right mastectomy, colon cancer resulting in colectomy, hyperlipidemia, and hypertension presented to the emergency department (ED) with bilateral leg pain. Patient had no smoking history, and her medications included Donepezil, Aspirin, Citalopram, Losartan, and Pantoprazole.
Source: The American Journal of Emergency Medicine - March 28, 2018 Category: Emergency Medicine Authors: Trina Stoneham, Erin L. Simon Source Type: research
Pharmacotherapy for Vascular Cognitive Impairment
AbstractVascular cognitive impairment (VCI) is the second most common type of dementia after Alzheimer ’s disease (AD). Stroke and cardiovascular risk factors have been linked to both AD and VCI and potentially can affect cognitive function in mid and later life. Various pharmacological agents, including donepezil, galantamine, and memantine, approved for the treatment of AD have shown modest cogni tive benefits in patients with vascular dementia (VaD). However, their functional and global benefits have been inconsistent. Donepezil has shown some cognitive benefit in patients with VaD only, and galantamine has shown some...
Source: CNS Drugs - August 7, 2017 Category: Neurology Source Type: research
Enzymatic and solid-phase synthesis of new donepezil-based L- and d-glutamic acid derivatives and their pharmacological evaluation in models related to Alzheimer's disease and cerebral ischemia.
Abstract Previously, we have described N-Bz-L-Glu[NH-2-(1-benzylpiperidin-4-yl)ethyl]-O-nHex (IQM9.21, L-1) as an interesting multifunctional neuroprotective compound for the potential treatment of neurodegenerative diseases. Here, we describe new derivatives and different synthetic routes, such as chemoenzymatic and solid-phase synthesis, aiming to improve the previously described route in solution. The lipase-catalysed amidation of L- and D-Glu diesters with N-benzyl-4-(2-aminoethyl)piperidine has been studied, using Candida antarctica and Mucor miehei lipases. In all cases, the α-amidated compound was obtained...
Source: European Journal of Medicinal Chemistry - February 22, 2017 Category: Chemistry Authors: Monjas L, Arce MP, León R, Egea J, Pérez C, Villarroya M, López MG, Gil C, Conde S, Rodríguez-Franco MI Tags: Eur J Med Chem Source Type: research
ChAT-positive neurons participate in subventricular zone neurogenesis after middle cerebral artery occlusion in mice.
In this study, we assessed whether these ChAT(+) neurons also participate in stroke-induced neurogenesis. We used a permanent middle cerebral artery occlusion (MCAO) model produced by transcranial electrocoagulation in mice, atropine (muscarinic cholinergic receptor [mAchR] antagonist), and donepezil (acetylcholinesterase inhibitor) to investigate the role of ChAT(+) neurons in stroke-induced neurogenesis. We found that mAchRs, phosphorylated protein kinase C (p-PKC), and p-38 levels in the SVZ were upregulated in mice on day 7 after MCAO. MCAO also significantly increased the number of BrdU/doublecortin-positive cells and...
Source: Behavioural Brain Research - September 5, 2016 Category: Neurology Authors: Wang J, Fu X, Zhang D, Yu L, Li N, Lu Z, Gao Y, Wang M, Liu X, Zhou C, Han W, Yan B, Wang J Tags: Behav Brain Res Source Type: research
Neuroprotective effects of Danggui-Jakyak-San on rat stroke model through antioxidant/antiapoptotic pathway
Conclusion These suggest that DJ ameliorate the neurological dysfunction of cerebral ischemia through augmentation of antioxidant defense system and up-regulation of STAT3 and Pim-1. Graphical abstract
Source: Journal of Ethnopharmacology - May 17, 2016 Category: Drugs & Pharmacology Source Type: research
Probable Nootropic-induced Psychiatric Adverse Effects: A Series of Four Cases
Conclusion Healthcare providers in general, and specifically those in the mental health and substance abuse fields, should keep in mind that nootropic use is an under recognized and evolving problem. Nootropic use should be considered in cases where there are sudden or unexplained exacerbations of psychiatric symptoms in patients who have been stable and medication adherent. It is also important to remember that most nootropics are not detected on standard drug toxicology screening tests. We have very little clinical information on how nootropics may interact with psychotropics (or other medications) and potentially cause ...
Source: Innovations in Clinical Neuroscience - December 1, 2015 Category: Neuroscience Authors: ICN Online Editor Tags: Case Series and Literature Review Current Issue Mental Disorders Psychiatry Psychopharmacology Substance Use Disorders Ampakines Armodafinil brain enhancer Cerebrolysin Citicoline cognitive enhancer homeopathic medicine natural r Source Type: research
Not stopping donepezil may delay nursing home admission for Alzheimer’s patients
Drug is usually discontinued as symptoms worsen due to a lack of perceived benefit and to reduce costs to NHSRelated items from OnMedicaGovernment launches major drive to tackle dementia One in three people born this year in UK will develop dementiaDementia and stroke funding remains too low, say expertsWhy don’t dementia strategies work?Right lifestyle can slow down dementia claim
Source: OnMedica Latest News - October 28, 2015 Category: UK Health Source Type: news
Effect of Donepezil on Wernicke Aphasia After Bilateral Middle Cerebral Artery Infarction: Subtraction Analysis of Brain F-18 Fluorodeoxyglucose Positron Emission Tomographic Images
We present a case of a 53-year-old female patient with Wernicke aphasia, after the old infarction in the territory of left middle cerebral artery for 8 years and the recent infarction in the right middle cerebral artery for 4 months. On the initial evaluation, the Aphasia Quotient in Korean version of the Western Aphasia Battery was 25.6 of 100. Baseline brain F-18 fluorodeoxyglucose positron emission tomographic images demonstrated a decreased cerebral metabolism in the left temporoparietal area and right temporal lobe. Donepezil hydrochloride, a reversible acetylcholinesterase inhibitor, was orally administered 5 mg/d fo...
Source: Clinical Neuropharmacology - July 1, 2015 Category: Neurology Tags: Case Reports Source Type: research
Amphetamine and other pharmacological agents in human and animal studies of recovery from stroke
Publication date: Available online 18 April 2015 Source:Progress in Neuro-Psychopharmacology and Biological Psychiatry Author(s): D. Walker-Batson , J. Mehta , P. Smith , M. Johnson Neuromodulation with pharmacological agents, including drugs of abuse such as amphetamine, when paired with behavioral experience, has been shown to positively modify outcomes in animal models of stroke. A number of clinical studies have tested the efficacy of a variety of drugs to enhance recovery of language deficit post-stroke. The purpose of this paper is to: (1) present pertinent animal studies supporting the use of dextro-amphetamine su...
Source: Progress in Neuro Psychopharmacology and Biological Psychiatry - April 28, 2015 Category: Psychiatry Source Type: research
Effect of ninjin'yoeito, a Kampo (traditional Japanese) medicine, on cognitive impairment and depression in patients with Alzheimer's disease: 2 years of observation
ConclusionsA 2‐year follow‐up of patients receiving donepezil and NYT treatment showed an improved cognitive outcome and alleviation of AD‐related depression.
Source: Psychogeriatrics - April 27, 2015 Category: Geriatrics Authors: Chiaki Kudoh, Ryutaro Arita, Mitsuru Honda, Taichi Kishi, Yasuhiro Komatsu, Hiroaki Asou, Masaru Mimura Tags: Original Article Source Type: research
Bone Marrow-Derived Endothelial Progenitor Cells Protect Against Scopolamine-Induced Alzheimer-Like Pathological Aberrations
Abstract Vascular endothelial dysfunction plays a key role in the pathogenesis of Alzheimer’s disease (AD). Patients with AD have displayed decreased circulating endothelial progenitor cells (EPCs) which repair and maintain the endothelial function. Transplantation of EPCs has emerged as a promising approach for the management of cerebrovascular diseases including ischemic stroke, however, its impact on AD has been poorly described. Thus, the current study aimed at investigating the effects of bone marrow-derived (BM) EPCs transplantation in repeated scopolamine-induced cognitive impairment, an experimental mode...
Source: Molecular Neurobiology - December 20, 2014 Category: Neurology Source Type: research
Capgras-like visual decomposition in Lewy body dementia with therapeutic response to donepezil
We report 2 cases of LBD where visual phenomena including Capgras-like syndrome responded favorably to the use of a cholinesterase inhibitor.
Source: Nature Clinical Practice - December 8, 2014 Category: Neurology Authors: Reimers, K., Emmert, N., Shah, H., Benedict, R. H. B., Szigeti, K. Tags: Hallucinations, Dementia with Lewy bodies, Cognitive neuropsychology in dementia Cases Source Type: research
Early‐onset Alzheimer's disease: a global cross‐sectional analysis
ConclusionEarly‐onset Alzheimer's disease is found more frequently in Native American Indians, Alaskans, Hawaiians and other minorities, including Hispanics; patients with EOAD have more anxiety or depression. EOAD occurs independently of hypertension, stroke and atrial fibrillation.
Source: European Journal of Neurology - April 30, 2014 Category: Neurology Authors: P. K. Panegyres, H. Y. Chen, Tags: Original Article Source Type: research