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https://www.readbyqxmd.com/read/28228653/drug-prescription-appropriateness-in-the-elderly-an-italian-study
#1
Nicola Allegri, Federica Rossi, Federica Del Signore, Paolo Bertazzoni, Roberto Bellazzi, Giorgio Sandrini, Tomaso Vecchi, Davide Liccione, Alessia Pascale, Stefano Govoni
PURPOSE: Correct drug prescription in the elderly is a difficult task that requires careful survey of the current pharmacological therapies. In this article, we reviewed the drug prescriptions provided to 860 persons aged 65 years or over, residing in a small city of Lombardy, Italy. METHODS: Subjects were recruited from a local nursing home, the Pavia and Vigevano Neuropsychological Center for Alzheimer's Disease, general practitioners' offices, and the local University of the Third Age...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28222858/bioprofiling-of-salicaceae-bud-extracts-through-high-performance-thin-layer-chromatography-hyphenated-to-biochemical-microbiological-and-chemical-detections
#2
Salim Hage, Gertrud E Morlock
The buds of poplars (Populus L.) and willows (Salix L.), both from the same family (Salicaceae Mirbel), are increasingly used in gemmotherapy and importantly contribute to the production of the physiologically active propolis by European bee Apis mellifera L. In order to study their phenolic profiles, polar extracts of buds from P. nigra L. were compared to those of P. alba L. and S. alba L. through high-performance thin-layer chromatography (HPTLC). Five chemotypical patterns were distinguished after derivatisation with the Natural Product reagent and confirmed by principal component analysis...
February 14, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28222815/cognitive-stimulation-therapy-as-a-sustainable-intervention-for-dementia-in-sub-saharan-africa-feasibility-and-clinical-efficacy-using-a-stepped-wedge-design
#3
Stella-Maria Paddick, Sarah Mkenda, Godfrey Mbowe, Aloyce Kisoli, William K Gray, Catherine L Dotchin, Laura Ternent, Adesola Ogunniyi, John Kissima, Olaide Olakehinde, Declare Mushi, Richard W Walker
BACKGROUND: Cognitive stimulation therapy (CST) is a psychosocial group-based intervention for dementia shown to improve cognition and quality of life with a similar efficacy to cholinesterase inhibitors. Since CST can be delivered by non-specialist healthcare workers, it has potential for use in low-resource environments, such as sub-Saharan Africa (SSA). We aimed to assess the feasibility and clinical effectiveness of CST in rural Tanzania using a stepped-wedge design. METHODS: Participants and their carers were recruited through a community dementia screening program...
February 22, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28201726/discontinuation-efficacy-and-safety-of-cholinesterase-inhibitors-for-alzheimer-s-disease-a-meta-analysis-and-meta-regression-of-44-randomized-clinical-trials-enrolling-16-245-patients
#4
Lídia Blanco-Silvente, Xavier Castells, Marc Saez, Maria Antònia Barceló, Josep Garre-Olmo, Joan Vilalta-Franch, Dolors Capellà
No abstract text is available yet for this article.
February 13, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28198801/inhibitory-effects-of-cholinesterase-inhibitor-donepezil-on-the-kv1-5-potassium-channel
#5
Kai Li, Neng Cheng, Xian-Tao Li
Kv1.5 channels carry ultra-rapid delayed rectifier K(+) currents in excitable cells, including neurons and cardiac myocytes. In the current study, the effects of cholinesterase inhibitor donepezil on cloned Kv1.5 channels expressed in HEK29 cells were explored using whole-cell recording technique. Exposure to donepezil resulted in a rapid and reversible block of Kv1.5 currents, with an IC50 value of 72.5 μM. The mutant R476V significantly reduced the binding affinity of donepezil to Kv1.5 channels, showing the target site in the outer mouth region...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28188819/potential-short-term-neurobehavioral-alterations-in-children-associated-with-a-peak-pesticide-spray-season-the-mother-s-day-flower-harvest-in-ecuador
#6
Jose R Suarez-Lopez, Harvey Checkoway, David R Jacobs, Wael K Al-Delaimy, Sheila Gahagan
BACKGROUND: Exposures to cholinesterase inhibitor pesticides (e.g. organophosphates) have been associated with children's neurobehavioral alterations, including attention deficit and impulsivity. Animal studies have observed transient alterations in neurobehavioral performance in relation to cholinesterase inhibitor pesticide exposures; however, limited evidence exists regarding transient effects in humans. METHODS: We estimated the associations between neurobehavioral performance and time after Mother's Day flower harvest (the end of a heightened pesticide usage period) among 308 4-to 9-year-old children living in floricultural communities in Ecuador in 2008 who participated in the ESPINA study...
February 7, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28154487/evaluation-of-antioxidant-anti-cholinesterase-and-anti-inflammatory-effects-of-culinary-mushroom-pleurotus-pulmonarius
#7
Trung Kien Nguyen, Kyung Hoan Im, Jaehyuk Choi, Pyung Gyun Shin, Tae Soo Lee
Culinary mushroom Pleurotus pulmonarius has been popular in Asian countries. In this study, the anti-oxidant, cholinesterase, and inflammation inhibitory activities of methanol extract (ME) of fruiting bodies of P. pulmonarius were evaluted. The 1,1-diphenyl-2-picryl-hydrazy free radical scavenging activity of ME at 2.0 mg/mL was comparable to that of butylated hydroxytoluene, the standard reference. The ME exhibited significantly higher hydroxyl radical scavenging activity than butylated hydroxytoluene. ME showed slightly lower but moderate inhibitory activity against acetylcholinesterase (AChE) and butyrylcholinesterase than galantamine, a standard AChE inhibitor...
December 2016: Mycobiology
https://www.readbyqxmd.com/read/28152479/inhibitor-of-phosphodiestearse-4-improves-memory-deficits-oxidative-stress-neuroinflammation-and-neuropathological-alterations-in-mouse-models-of-dementia-of-alzheimer-s-type
#8
Amit Kumar, Nirmal Singh
The study investigates the potential of Rolipram a phosphodiesterase-4 inhibitor in cognitive deficits induced by streptozotocin (STZ, 3mg/kg intracerebroventricularly) and natural ageing in mice. Morris water maze (MWM) test was employed to evaluate learning and memory of the animals. Extent of oxidative stress was measured by estimating the levels of brain glutathione (GSH) and thiobarbituric acid reactive species (TBARS). Brain acetylcholinestrase (AChE) activity was also estimated. The brain activity of myeloperoxidase (MPO) was measured as a marker of inflammation...
January 30, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28150445/molecular-design-and-synthesis-of-novel-peptides-from-amphibians-skin-acting-as-inhibitors-of-cholinesterase-enzymes
#9
Alvaro Siano, Francisco F Garibotto, Sebastian A Andujar, Hector A Baldoni, Georgina G Tonarelli, Ricardo D Enriz
Cholinesterases are a family of enzymes that catalyze the hydrolysis of neurotransmitter acetylcholine. There are two types of cholinesterases, acetylcholinesterase (AChE) and butyrylcholinesterase (BChE), which differ in their distribution in the body. Currently, cholinesterase inhibitors (ChEI) represent the treatment of choice for Alzheimer's disease (AD). In this paper, we report the synthesis and inhibitory effect on both enzymes of four new peptides structurally related to P1-Hp-1971 (amphibian skin peptide found in our previous work...
February 2, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/28148339/pharmacological-therapy-for-apathy-in-alzheimer-s-disease-a-systematic-review-and-meta-analysis
#10
Amir A Sepehry, Michael Sarai, Ging-Yuek R Hsiung
INTRODUCTION: Apathy is highly prevalent in Alzheimer's disease (AD), but whether pharmacotherapy is effective in managing apathy is unclear. METHODS: To assess the efficacy of pharmacotherapy for apathy in AD we searched for randomized controlled trials (RCT) and aggregate data reporting on apathy in several search engines, reference lists of articles, and reviews. Demographic characteristics and relevant data were extracted to assess apathy. RESULTS: Fifteen RCTs' were examined, and 11 were used in aggregate meta-analytic statistics...
February 2, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28138912/tolerability-of-cholinesterase-inhibitors-a-population-based-study-of-persistence-adherence-and-switching
#11
Anat Fisher, Greg Carney, Ken Bassett, Colin R Dormuth
BACKGROUND: Cholinesterase inhibitors (ChEIs) are prescribed to dementia patients despite their poor tolerance. Low tolerability potentially reduces persistence and adherence, while inducing switching between medications. Comparisons of these utilization measures contribute to knowledge of the relative tolerability of these medications. AIM: The aim was to compare persistence, adherence, and switching between donepezil, galantamine, oral rivastigmine, and rivastigmine patch...
January 30, 2017: Drugs & Aging
https://www.readbyqxmd.com/read/28138837/donepezil-plus-solifenacin-cpc-201-treatment-for-alzheimer-s-disease
#12
Thomas N Chase, Martin R Farlow, Kathleen Clarence-Smith
Available cholinergic drugs for treating Alzheimer's disease (AD) provide modest symptomatic benefit. We hypothesized that co-administration of a peripheral anticholinergic to reduce dose-limiting adverse effects (AEs) would enable the safe/tolerable use of higher cholinesterase inhibitor doses and thus improve their antidementia efficacy. A modified single-blind, ascending-dose, phase IIa study of donepezil plus solifenacin (CPC-201) lasting 26 weeks was conducted in 41 patients with probable AD of moderate severity...
January 30, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28133526/2-2-4-benzoylpiperazin-1-yl-ethyl-isoindoline-1-3-dione-derivatives-synthesis-docking-and-acetylcholinesterase-inhibitory-evaluation-as-anti-alzheimer-agents
#13
Ahmad Mohammadi-Farani, Nasibeh Abdi, Alireza Moradi, Alireza Aliabadi
OBJECTIVES: Alzheimer's disease (AD) as progressive cognitive decline and the most common form of dementia is due to degeneration of the cholinergic neurons in the brain. Therefore, administration of the acetylcholinesterase (AChE) inhibitors such as donepezil is the first choice for treatment of the AD. In the present study, we focused on the synthesis and anti-cholinesterase evaluation of new donepezil like analogs. MATERIALS AND METHODS: A new series of phthalimide derivatives (compounds 4a-4j) were synthesized via Gabriel protocol and subsequently amidation reaction was performed using various benzoic acid derivatives...
January 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28129887/a-left-lateral-accessory-pathway-unmasked-by-rivastigmine
#14
Charles Guenancia, Marie Fichot, Fabien Garnier, Mathieu Montoy, Gabriel Laurent
A 75-year-old woman was referred for advice regarding surface electrocardiographic modifications after the initiation of rivastigmine. In our patient, the baseline ECGs appeared perfectly normal. However, the initiation of a cholinesterase inhibitor unmasked a left lateral accessory pathway that had never been diagnosed before. Although cholinesterase inhibitors are known to increase vagal tone, the PR interval was shortened after rivastigmine administration, thus excluding this hypothesis to explain the appearance of the accessory pathway...
January 16, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28126287/synthesis-biological-evaluation-and-docking-studies-of-2-3-dihydroquinazolin-4-1h-one-derivatives-as-inhibitors-of-cholinesterases
#15
Muhammad Sarfraz, Nargis Sultana, Umer Rashid, Muhammad Safwan Akram, Abdul Sadiq, Muhammad Ilyas Tariq
In search of potent inhibitors of cholinesterases, we have synthesized and evaluate a number of 2,3-dihydroquinazolin-4(1H)-one derivatives. The synthetic approach provided an efficient synthesis of the target molecules with excellent yield. All the tested compounds showed activity against both the enzymes in micromolar range. In many case, the inhibition of both enzymes are higher than or comparable to the standard drug galatamine. With the selectivity index of 2.3 for AChE, compound 5f can be considered as a potential lead compound with a feature of dual AChE/BChE inhibition with IC50=1...
January 17, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28118357/endochondral-ossification-is-accelerated-in-cholinesterase-deficient-mice-and-in-avian-mesenchymal-micromass-cultures
#16
Janine Spieker, Thomas Mudersbach, Astrid Vogel-Höpker, Paul G Layer
Most components of the cholinergic system are detected in skeletogenic cell types in vitro, yet the function of this system in skeletogenesis remains unclear. Here, we analyzed endochondral ossification in mutant murine fetuses, in which genes of the rate-limiting cholinergic enzymes acetyl- (AChE), or butyrylcholinesterase (BChE), or both were deleted (called here A-B+, A+B-, A-B-, respectively). In all mutant embryos bone growth and cartilage remodeling into mineralizing bone were accelerated, as revealed by Alcian blue (A-blu) and Alizarin red (A-red) staining...
2017: PloS One
https://www.readbyqxmd.com/read/28109985/the-synthetic-neuroactive-steroid-sge-516-reduces-status-epilepticus-and-neuronal-cell-death-in-a-rat-model-of-soman-intoxication
#17
Alison L Althaus, Hilary S McCarren, Aymen Alqazzaz, Cecelia Jackson, John H McDonough, Carl D Smith, Ethan Hoffman, Rebecca S Hammond, Albert J Robichaud, James J Doherty
Organophosphorus nerve agents (OPNAs) are irreversible inhibitors of acetylcholinesterase that pose a serious threat to public health because of their use as chemical weapons. Exposure to high doses of OPNAs can dramatically potentiate cholinergic synaptic activity and cause status epilepticus (SE). Current standard of care for OPNA exposure involves treatment with cholinergic antagonists, oxime cholinesterase reactivators, and benzodiazepines. However, data from pre-clinical models suggest that OPNA-induced SE rapidly becomes refractory to benzodiazepines...
January 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28103749/clinical-practice-with-anti-dementia-drugs-a-revised-third-consensus-statement-from-the-british-association-for-psychopharmacology
#18
John T O'Brien, Clive Holmes, Matthew Jones, Roy Jones, Gill Livingston, Ian McKeith, Peter Mittler, Peter Passmore, Craig Ritchie, Louise Robinson, Elizabeth L Sampson, John-Paul Taylor, Alan Thomas, Alistair Burns
The British Association for Psychopharmacology coordinated a meeting of experts to review and revise its previous 2011 guidelines for clinical practice with anti-dementia drugs. As before, levels of evidence were rated using accepted standards which were then translated into grades of recommendation A-D, with A having the strongest evidence base (from randomised controlled trials) and D the weakest (case studies or expert opinion). Current clinical diagnostic criteria for dementia have sufficient accuracy to be applied in clinical practice (B) and both structural (computed tomography and magnetic resonance imaging) and functional (positron emission tomography and single photon emission computerised tomography) brain imaging can improve diagnostic accuracy in particular situations (B)...
February 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28102474/anti-amnestic-effect-of-curcumin-in-combination-with-donepezil-an-anticholinesterase-drug-involvement-of-cholinergic-system
#19
Ayodele Jacob Akinyemi, Ganiyu Oboh, Sunday Idowu Oyeleye, Opeyemi Ogunsuyi
Recently, combination therapy involving cholinesterase (ChE) inhibitor with other neuroprotective agents has shown better desirable effect in the management/prevention of dementia but limited information is available on their effect with dietary polyphenols. Hence, this study sought to assess the combined pretreatment effect of curcumin, the major polyphenolic compound of turmeric (Curcuma longa) rhizomes, with donepezil, a cholinesterase inhibitor, on cognitive function in scopolamine-induced memory impairment in rats...
January 19, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28088312/dementia-in-parkinson-s-disease
#20
REVIEW
Hasmet A Hanagasi, Zeynep Tufekcioglu, Murat Emre
Dementia can occur in a substantial number of patients with Parkinson's disease with a point prevalence close to 30%. The cognitive profile is characterized by predominant deficits in executive, visuospatial functions, attention and memory. Behavioral symptoms are frequent such as apathy, visual hallucinations and delusions. The most prominent associated pathology is Lewy body-type and biochemical deficit is cholinergic. Placebo-controlled randomized trials with cholinesterase inhibitors demonstrated modest but significant benefits in cognition, behavioral symptoms and global functions...
March 15, 2017: Journal of the Neurological Sciences
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