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Review of Alzheimer

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https://www.readbyqxmd.com/read/28088029/an-updated-meta-analysis-of-cohort-studies-diabetes-and-risk-of-alzheimer-s-disease
#1
REVIEW
Jieyu Zhang, Chunxiang Chen, Shuizhen Hua, Hairong Liao, Meixiang Wang, Yan Xiong, Fei Cao
BACKGROUND: In recently, several large longitudinal population-based studies have shown that the rate of cognitive decline is accelerated in elderly people with diabetes mellitus. But the relation between diabetes and AD is still an area of controversy. The objective of this review was to update the evidence for or against diabetes as a risk factor of AD. METHODS: We searched the literature from their inception to May 2016 without restriction of language. We included all longitudinal population-based studies examining the association between diabetes and risk of AD...
November 9, 2016: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28087881/role-of-stim2-in-cell-function-and-physiopathology
#2
Alejandro Berna-Erro, Isaac Jardin, Gines M Salido, Juan A Rosado
An endoplasmic reticulum (ER)-resident protein that regulates cytosolic and ER free-Ca(2+) concentration by induction of store-operated calcium entry. That is the original definition of STIM2 and its function. While its activity strongly depends on the amount of calcium stored in the ER, its function goes further to intracellular signalling and gene expression. Initially undercovered by the prominent function of STIM1, STIM2 became to be vital in mice, gradually emerging as an important player in the nervous system, and cooperating with STIM1 in the immune system...
January 14, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28087373/chronoinflammaging-in-alzheimer-a-systematic-review-on-the-roles-of-toll-like-receptor-2
#3
REVIEW
Ali Ravari, Tayebeh Mirzaei, Derek Kennedy, Mohammad Kazemi Arababadi
Aging is associated with a range of chronic low-grade inflammation (Chronoinflammaging) which may play a significant role in some chronic inflammatory based diseases, such as Alzheimer disease (AD). However, the events which lead to the induction of chronoinflammaging in AD are yet to be clarified. It has been proposed that the recognition of endogenous ligands by pathogen recognition receptors (PRRs) may be involved in the induction of chronoinflammaging. Toll like receptors (TLRs) are a family of PRRs which recognize endogenous damage associated molecular patterns (DAMPs) and subsequently induce inflammation...
January 10, 2017: Life Sciences
https://www.readbyqxmd.com/read/28087304/sleep-and-neurodegeneration-a-critical-appraisal
#4
REVIEW
Jagan A Pillai, James B Leverenz
Sleep abnormalities are clearly recognized as distinct clinical symptom of concern in neurodegenerative disorders. Appropriate management of sleep related symptoms has a positive impact on the quality of life of patients with neurodegenerative disorders. This review provides an overview of mechanisms that are currently being considered that tie sleep with neurodegeneration. It appraises the literature regarding specific sleep changes among common neurodegenerative diseases with a focus on Alzheimer's disease and synucleinopathies (i...
January 10, 2017: Chest
https://www.readbyqxmd.com/read/28078981/resilience-to-alzheimer-s-disease-the-role-of-physical-activity
#5
Pedrinolla Anna, Schena Federico, Venturelli Massimo
BACKGROUND: Although Alzheimer's disease (AD) is a neurodegenerative pathology characterized by accumulation of β-amyloid plaques and neurofibrillary tangles at cerebral level, recent studies highlighted that AD might be the result of many altered physiological processes occurring at whole-organism level. The ability to adapt to stressors by "bending" but not "breaking" can be considered as "resilience". Individuals incline to withstand such pathophysiological challenges, can be considered more resilient than those that do not...
January 11, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28076975/book-reviews-boltz-marie-and-galvin-james-e-eds-dementia-care-an-evidence-based-approach-springer-international-publishing-switzerland-2016-325-pp-ibsn-978-3-319-18376-3-129-00-sbk-beard-ren%C3%A3-e-l-living-with-alzheimer-s-managing-memory-loss-identity-and-illness
#6
https://www.readbyqxmd.com/read/28075620/diagnostic-efficacy-of-structural-mri-in-patients-with-mild-to-moderate-alzheimer-disease-automated-volumetric-assessment-versus-visual-assessment
#7
Jeeyoung Min, Won-Jin Moon, Ji Young Jeon, Jin Woo Choi, Yeon-Sil Moon, Seol-Heui Han
OBJECTIVE: The purpose of this study was to compare the diagnostic efficacies of an automated volumetric assessment tool and visual assessment in the evaluation of medial temporal lobar atrophy in mild-to-moderate Alzheimer disease (AD). MATERIALS AND METHODS: This retrospective study included 30 patients with mild-to-moderate AD and 25 age-matched healthy control subjects undergoing MRI with a 3D fast spoiled gradient recalled-echo sequence at 3 T. The images were processed with fully automated volumetric analysis software...
January 11, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28074613/health-benefits-of-methylxanthines-in-neurodegenerative-diseases
#8
REVIEW
Ainhoa Oñatibia-Astibia, Rafael Franco, Eva Martínez-Pinilla
Methylxanthines (MTXs) are consumed by almost everybody in almost every area of the world. Caffeine, theophylline and theobromine are the most well-known members of this family of compounds; they are present, inter alia, in coffee, tea, cacao, yerba mate and cola drinks. MTXs are readily absorbed in the gastrointestinal tract and are able to penetrate into the central nervous system, where they exert significant psychostimulant actions, which are more evident in acute intake. Coffee has been paradigmatic, as its use was forbidden in many diseases, however, this negative view has radically changed; evidence shows that methylxanthines display health benefits in diseases involving cell death in the nervous system...
January 11, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28074409/management-of-depression-in-patients-with-dementia-is-pharmacological-treatment-justified
#9
REVIEW
Andrew H Ford, Osvaldo P Almeida
Depression in the context of dementia is common and contributes to poorer outcomes in individuals and those who care for them. Non-pharmacological treatments are the preferred initial approach to managing these symptoms but data in support of these are scarce. There are a number of pharmacological treatment options available to clinicians but efficacy is uncertain and concern about potential side effects in an aging and vulnerable population needs to be taken into consideration. This review aims to provide a concise overview of pharmacological treatments for depression in dementia...
January 10, 2017: Drugs & Aging
https://www.readbyqxmd.com/read/28071980/metabolic-syndrome-hypertension-and-nervous-system-injury-epidemiological-correlates
#10
Giovanna Ricci, Isabel Pirillo, Daniele Tomassoni, Ascanio Sirignano, Iolanda Grappasonni
: Metabolic syndrome (MetS) is a common and complex disorder combining hypertension, obesity, dyslipidemia, and insulin resistance. MetS represents a risk factor for changes in cognitive functions in older age, and several studies have suggested that MetS may be linked to dementia. This article reviews the main evidences about the relationship between MetS and neurodegenerative disease. Starting from an epidemiological point of view, the article analyzes medico-social aspects related to MetS, considering the reduction of work capacity and the condition of disability that it involves...
January 10, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28068405/head-injury-as-a-risk-factor-for-dementia-and-alzheimer-s-disease-a-systematic-review-and-meta-analysis-of-32-observational-studies
#11
Yanjun Li, Yongming Li, Xiaotao Li, Shuang Zhang, Jincheng Zhao, Xiaofeng Zhu, Guozhong Tian
BACKGROUND: Head injury is reported to be associated with increased risks of dementia and Alzheimer's disease (AD) in many but not all the epidemiological studies. We conducted a systematic review and meta-analysis to estimate the relative effect of head injury on dementia and AD risks. METHODS: Relevant cohort and case-control studies published between Jan 1, 1990, and Mar 31, 2015 were searched in PubMed, Web of Science, Scopus, and ScienceDirect. We used the random-effect model in this meta-analysis to take into account heterogeneity among studies...
2017: PloS One
https://www.readbyqxmd.com/read/28067736/alzheimer-s-disease-and-exercise-a-literature-review
#12
Shane P Cass
Alzheimer's disease (AD) is a progressive neurodegenerative disease that impairs memory and cognitive judgment. It is the leading cause of dementia in late adult life and is associated with a significant social burden and increased morbidity and mortality in the elderly. Because of mixed effectiveness of medications, exercise has been considered as a treatment for pre-clinical AD, late stage AD, and as a prevention strategy. Exercise appears to improve brain blood flow, increase hippocampal volume, and improve neurogenesis...
January 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28067072/drug-target-identification-at-the-crossroad-of-neuronal-apoptosis-and-survival
#13
Barbara Maino, Simona Paparone, Cinzia Severini, Maria Teresa Ciotti, Velia D'Agata, Pietro Calissano, Sebastiano Cavallaro
Inappropriate activation of apoptosis may contribute to neurodegeneration, a multifaceted process that results in various chronic disorders, including Alzheimer's and Parkinson's diseases. Several in vitro and in vivo studies demonstrated that neuronal apoptosis is a multi-pathway cell-death program that requires RNA synthesis. Thus, transcriptionally activated genes whose products induce cell death can be triggered by different stimuli and antagonized by neurotrophic factors. Systems biology is now unveiling the series of intracellular signaling pathways and key drug targets at the intersection of neuronal apoptosis and survival...
January 8, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/28066979/when-proteostasis-goes-bad-protein-aggregation-in-the-cell
#14
REVIEW
Mona Radwan, Rebecca J Wood, Xiaojing Sui, Danny M Hatters
Protein aggregation is a hallmark of the major neurodegenerative diseases including Alzheimer's, Parkinson's, Huntington's and motor neuron and is a symptom of a breakdown in the management of proteome foldedness. Indeed, it is remarkable that under normal conditions cells can keep their proteome in a highly crowded and confined space without uncontrollable aggregation. Proteins pose a particular challenge relative to other classes of biomolecules because upon synthesis they must typically follow a complex folding pathway to reach their functional conformation (native state)...
January 9, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28066098/novel-strategies-for-alzheimer-s-disease-treatment-an-overview-of-anti-amyloid-beta-monoclonal-antibodies
#15
Katarzyna Rygiel
Alzheimer's disease (AD) is a multifactorial, progressive neurodegenerative disorder with a poor prognosis, and thus, novel therapies for AD are certainly needed in a growing population of elderly patients or asymptomatic individuals, who are at risk for AD, worldwide. It has been established that some AD biomarkers such as amyloid-beta load in the brain, precede the onset of the disease, by approximately 20 years. Therefore, the therapy to prevent or effectively treat AD has to be initiated before the emergence of symptoms...
November 2016: Indian Journal of Pharmacology
https://www.readbyqxmd.com/read/28063281/current-issues-and-future-research-priorities-for-health-economic-modelling-across-the-full-continuum-of-alzheimer-s-disease
#16
Anders Gustavsson, Colin Green, Roy W Jones, Hans Förstl, Deniz Simsek, Frederic de Reydet de Vulpillieres, Stefanie Luthman, Nicholas Adlard, Subrata Bhattacharyya, Anders Wimo
INTRODUCTION: Available data and models for the health-economic evaluation of treatment in Alzheimer's disease (AD) have limitations causing uncertainty to decision makers. Forthcoming treatment strategies in preclinical or early AD warrant an update on the challenges associated with their economic evaluation. METHODS: The perspectives of the co-authors were complemented with a targeted review of literature discussing methodological issues and data gaps in AD health-economic modelling...
January 4, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28062560/the-amyloid-phenomenon-and-its-links-with-human-disease
#17
Christopher M Dobson
The ability of normally soluble proteins to convert into amyloid fibrils is now recognized to be a generic phenomenon. The overall cross-β architecture of the core elements of such structures is closely similar for different amino acid sequences, as this architecture is dominated by interactions associated with the common polypeptide main chain. In contrast, the multiplicity of complex and intricate structures of the functional states of proteins is dictated by specific interactions involving the variable side chains, the sequence of which is unique to a given protein...
January 6, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28060965/the-clinical-research-landscape-in-rhode-island
#18
George Mao, Bharat Ramratnam
OBJECTIVES: To present an overview of clinical research activity and the state of medical research funding in Rhode Island. METHODS: We utilized clinicaltrials.gov registry to profile clinical studies between 2011 to 2016. NIH RePORT and other federal databases were used to extract information on levels of federal funding. Previously published hospital financial reports were reviewed for data on hospital-specific total external research funding. RESULTS: During 2011-2016, 1651 clinical studies were registered in clinicaltrials...
January 6, 2017: Rhode Island Medical Journal
https://www.readbyqxmd.com/read/28059794/oxidative-stress-synaptic-dysfunction-and%C3%A2-alzheimer-s-disease
#19
Eric Tönnies, Eugenia Trushina
Alzheimer's disease (AD) is a devastating neurodegenerative disorder without a cure. Most AD cases are sporadic where age represents the greatest risk factor. Lack of understanding of the disease mechanism hinders the development of efficacious therapeutic approaches. The loss of synapses in the affected brain regions correlates best with cognitive impairment in AD patients and has been considered as the early mechanism that precedes neuronal loss. Oxidative stress has been recognized as a contributing factor in aging and in the progression of multiple neurodegenerative diseases including AD...
December 3, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28057414/apoe-apoe-receptors-and-the-synapse-in-alzheimer-s-disease
#20
REVIEW
Courtney Lane-Donovan, Joachim Herz
As the population ages, neurodegenerative diseases such as Alzheimer's disease (AD) are becoming a significant burden on patients, their families, and health-care systems. Neurodegenerative processes may start up to 15 years before outward signs and symptoms of AD, as evidenced by data from AD patients and mouse models. A major genetic risk factor for late-onset AD is the ɛ4 isoform of apolipoprotein E (ApoE4), which is present in almost 20% of the population. In this review we discuss the contribution of ApoE receptor signaling to the function of each component of the tripartite synapse - the axon terminal, the postsynaptic dendritic spine, and the astrocyte - and examine how these systems fail in the context of ApoE4 and AD...
January 2, 2017: Trends in Endocrinology and Metabolism: TEM
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