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Patrick Devos, Antoine Cortot, Joël Ménard
INTRODUCTION: A third Alzheimer and related diseases plan (AP), including a detailed research part has been implemented from 2008 to 2013. The aim of this study was to assess the AP impact on the original articles production concerning Alzheimer and related disease (AD) before (2004-2008) and after its implementation (2009-2013). METHODS: Number and impact factor (IF) based ranking of original articles coming from French University Hospitals (CHU) have been assessed using the data provided by the SIGAPS bibliometric software used so far for calculating allocation of the governmental medical research funding (MERRI)...
February 2016: La Presse Médicale
Marco Miroddi, Michele Navarra, Maria C Quattropani, Fabrizio Calapai, Sebastiano Gangemi, Gioacchino Calapai
Salvia officinalis L. and Salvia lavandulaefolia L. have a longstanding use as traditional herbal remedies that can enhance memory and improve cognitive functions. Pharmacological actions of S. officinalis and S. lavandulaefolia on healthy subjects and on patients suffering of cognitive decline have been investigated. Aim of this review was to summarize published clinical trials assessing effectiveness and safety of S. officinalis and S. lavandulaefolia in the enhancement of cognitive performance in healthy subjects and neurodegenerative illnesses...
June 2014: CNS Neuroscience & Therapeutics
Shubhabrata Mukherjee, Emily Trittschuh, Laura E Gibbons, R Scott Mackin, Andrew Saykin, Paul K Crane
Previous investigators have suggested the existence of distinct cognitive phenotypes of Alzheimer's disease (AD): a dysexecutive subgroup with executive functioning worse than memory and an amnesic subgroup with memory worse than executive functioning. We evaluated data from the AD Neuroimaging Initiative. We assigned people with AD to dysexecutive and amnesic subgroups using single indicators, and analogously using the ADNI-Mem and ADNI-EF composite scores developed using modern psychometric approaches. We evaluated associations between subgroup membership, APOE genotype, and single nucleotide polymorphisms (SNPs) are associated with AD, and brain vascular disease defined as white matter hyperintensities (WMH) and MRI-identified infarcts...
December 2012: Brain Imaging and Behavior
Mahaveer Golechha, Jagriti Bhatia, Dharmveer Singh Arya
Emblica officinalis, commonly known as amla, is an important medicinal plant of India. Its fruits have potent antioxidant activity due to the presence of tannoids, tannins, vitamin C and flavonoids. The aim of this study was to investigate the beneficial effect of the hydroalcoholic extract of the fruits of Emblica officinalis (EO) on memory impairment in Swiss albino mice. Scopolamine (1 mg kg(-1), i.p)was administered to induce amnesia and the memory was evaluated by using elevated plus-maze and passive avoidance tests...
January 2012: Journal of Environmental Biology
Ingrid Reverte, Anders Bue Klein, Cecilia Ratner, José L Domingo, Maria Teresa Colomina
Human apolipoprotein E (apoE) plays an important role in lipid transport and distribution, being involved in neurite growth and neuroprotection in the brain. In humans, the apoE4 isoform is a risk factor for developing Azheimer's disease (AD), while apoE2 seems to provide neuroprotection. However, very little information is available on apoE2 genotype. In the present study, we have characterized behavioral and learning phenotypes in young transgenic mice apoE2, apoE3 and apoE4 of both sexes. We have also determined the levels of brain-derived neurotrophic factor (BDNF) and its receptor TrkB in cortex and hippocampus of male and female mice carrying either genotype...
September 2012: Experimental Neurology
Daniel Limón, Alfonso Díaz, Monserrat Hernandez, Juan M Fernandez-G, Ana C Torres-Martínez, Francisca Pérez-Severiano, Erika P Rendón-Huerta, Luis F Montaño, Jorge Guevara
Alzheimer's disease (AD) is a neurodegenerative disorder caused by the deposition of the amyloid-beta peptide (Aβ) in senile plaques and cerebral vasculature. Its neurotoxic mechanisms are associated with the generation of oxidative stress and reactive astrogliosis that cause neuronal death and memory impairment. Estrogens reduce the rate of Azheimer's disease because of their antioxidant activity. Prolame (N-(3-hydroxy-1,3,5(10)-estratrien-17β-yl)-3-hydroxypropylamine) is an aminoestrogen with estrogenic and antithrombotic effects...
June 15, 2012: European Journal of Pharmacology
Peggy Reiner, Eric Jouvent, Edouard Duchesnay, Rémi Cuingnet, Jean-François Mangin, Hugues Chabriat
Differences of cortical morphology between healthy controls (HC), amnestic mild cognitive impairment (MCI), and Alzheimer's disease (AD) have been repeatedly investigated using voxel-based morphometry (VBM). However, the results obtained using mainly VBM remain difficult to interpret as they can be explained by various mechanisms. The aim of the present study was to evaluate the differences of cortical morphology between HC, MCI, and AD patients using a new post-processing method based on reconstruction and identification of cortical sulci...
2012: Journal of Alzheimer's Disease: JAD
Gjumrakch Aliev, Mark A Smith, Mark E Obrenovich, Jack C de la Torre, George Perry
Chronic vascular hypoperfusion induces oxidative stress and brain energy failure, and leads to neuronal death, which manifests as cognitive impairment and the development of brain pathology as in Alzheimer disease (AD). It is becoming more widely accepted that AD is characterized by impairments in energy metabolism. We hypothesize that hypoperfusion-induced mitochondrial failure plays a central role in the generation of reactive oxygen species, resulting in oxidative damage to brain cellular compartments, especially in the vascular endothelium and neuronal cell bodies in AD...
2003: Neurotoxicity Research
N L Pedersen, B L Miller, J L Wetherell, J Vallo, A W Toga, N Knutson, C M Mehringer, G W Small, M Gatz
Data from computed tomography (CT) scans of 12 twin pairs in which one partner had Azheimer's disease (AD) and the other partner is cognitively intact were analyzed to study structural brain features associated with AD while controlling for familial factors. Visual ratings and analysis of quantified areas and volumes indicated that AD twins showed more dilation of temporal horns, lateral ventricles and third ventricle, and more atrophy of temporal lobes, particularly in the anterior temporal/perisylvian area, than their healthy cotwins...
January 1999: Dementia and Geriatric Cognitive Disorders
A Nordberg, P Hartvig, A Lilja, M Viitanen, K Amberla, H Lundqvist, Y Andersson, J Ulin, B Winblad, B Långström
Positron emission tomography of the brain following intravenous injection of (+) (R) and (-) (S) N-[11C-methyl]nicotine showed a marked reduced uptake of both isomers, especially the (R) form, in Alzheimer patients as compared to age-matched controls. The significantly larger difference between the uptake values of the (S)- and (R)-enantiomers of 11C-nicotine in Azheimer brains may be of diagnostic value.
1990: Journal of Neural Transmission. Parkinson's Disease and Dementia Section
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