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https://www.readbyqxmd.com/read/28350817/differential-associations-of-plasma-lipids-with-incident-dementia-and-dementia-subtypes-in-the-3c-study-a-longitudinal-population-based-prospective-cohort-study
#1
Sabrina Schilling, Christophe Tzourio, Aïcha Soumaré, Sara Kaffashian, Jean-François Dartigues, Marie-Laure Ancelin, Cécilia Samieri, Carole Dufouil, Stéphanie Debette
BACKGROUND: Vascular risk factors have been proposed as important targets for the prevention of dementia. As lipid fractions represent easily modifiable targets, we examined the longitudinal relationship of baseline lipid fractions with 13-y incident dementia and its subtypes (Alzheimer disease [AD] and mixed or vascular dementia) in older community-dwelling persons. METHODS AND FINDINGS: Non-institutionalized persons aged 65+ y (n = 9,294) were recruited for the Three-City Study (3C Study), a population-based cohort study from the electoral rolls of the cities of Dijon, Bordeaux, and Montpellier, France, between March 1999 and March 2001...
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28350552/characteristics-of-forensic-patients-in-california-with-dementia-alzheimer-s-disease
#2
Bradley J Bartos, Matthew Renner, Carol Newark, Richard McCleary, Nicholas Scurich
Criminal defendants found incompetent to stand trial (IST) are sent to state hospitals for treatment to be restored to competency. IST patients diagnosed with dementia and related disorders present a particular challenge to clinicians, because they must be restored successfully within a statutorily mandated time frame (e.g., 3 years in California for defendants charged with a felony offense). This study examined a comprehensive data set that included all forensic patients served by California's Department of State Hospitals from September 2003 to February 2016...
March 28, 2017: Journal of Forensic Nursing
https://www.readbyqxmd.com/read/28344933/precision-medicine-the-golden-gate-for-detection-treatment-and-prevention-of-alzheimer-s-disease
#3
H Hampel, S E O'Bryant, J I Castrillo, C Ritchie, K Rojkova, K Broich, N Benda, R Nisticò, R A Frank, B Dubois, V Escott-Price, S Lista
During this decade, breakthrough conceptual shifts have commenced to emerge in the field of Alzheimer's disease (AD) recognizing risk factors and the non-linear dynamic continuum of complex pathophysiologies amongst a wide dimensional spectrum of multi-factorial brain proteinopathies/neurodegenerative diseases. As is the case in most fields of medicine, substantial advancements in detecting, treating and preventing AD will likely evolve from the generation and implementation of a systematic precision medicine strategy...
December 2016: Journal of Prevention of Alzheimer's Disease
https://www.readbyqxmd.com/read/28344547/app-function-and-lipids-a-bidirectional-link
#4
REVIEW
Marcus O W Grimm, Janine Mett, Heike S Grimm, Tobias Hartmann
Extracellular neuritic plaques, composed of aggregated amyloid-β (Aβ) peptides, are one of the major histopathological hallmarks of Alzheimer's disease (AD), a progressive, irreversible neurodegenerative disorder and the most common cause of dementia in the elderly. One of the most prominent risk factor for sporadic AD, carrying one or two aberrant copies of the apolipoprotein E (ApoE) ε4 alleles, closely links AD to lipids. Further, several lipid classes and fatty acids have been reported to be changed in the brain of AD-affected individuals...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28342971/a-novel-dual-glp-1-gip-receptor-agonist-alleviates-cognitive-decline-by-re-sensitizing-insulin-signaling-in-the-alzheimer-icv-stz-rat-model
#5
Lijuan Shi, Zhihua Zhang, Lin Li, Christian Hölscher
Alzheimer's disease (AD) is a progressive neurodegenerative disorder, accompanied by memory loss and cognitive impairments, and there is no effective treatment for it at present. Since type 2 diabetes (T2DM) has been identified as a risk factor for AD, the incretins glucagon-like peptide 1 (GLP-1) and glucose dependent insulinotropic polypeptide (GIP), promising antidiabetic agents for the treatment of type 2 diabetes, have been tested in models of neurodegenerative disease including AD and achieved good results...
March 22, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28341686/incidental-findings-on-brain-mri-of-cognitively-normal-first-degree-descendants-of-patients-with-alzheimer-s-disease-a-cross-sectional-analysis-from-the-alfa-alzheimer-and-families-project
#6
Anna Brugulat-Serrat, Santiago Rojas, Nuria Bargalló, Gerardo Conesa, Carolina Minguillón, Karine Fauria, Nina Gramunt, José Luis Molinuevo, Juan Domingo Gispert
OBJECTIVES: To describe the prevalence of brain MRI incidental findings (IF) in a cohort of cognitively normal first-degree descendants of patients with Alzheimer's disease (AD). DESIGN: Cross-sectional observational study. SETTING: All scans were obtained with a 3.0 T scanner. Scans were evaluated by a single neuroradiologist and IF recorded and categorised. The presence of white matter hyperintensities (WMH) was determined with the Fazekas scale and reported as relevant if ≥2...
March 24, 2017: BMJ Open
https://www.readbyqxmd.com/read/28341646/cardiorespiratory-fitness-alters-the-influence-of-a-polygenic-risk-score-on-biomarkers-of-ad
#7
Stephanie A Schultz, Elizabeth A Boots, Burcu F Darst, Henrik Zetterberg, Kaj Blennow, Dorothy F Edwards, Rebecca L Koscik, Cynthia M Carlsson, Catherine L Gallagher, Barbara B Bendlin, Sanjay Asthana, Mark A Sager, Kirk J Hogan, Bruce P Hermann, Dane B Cook, Sterling C Johnson, Corinne D Engelman, Ozioma C Okonkwo
OBJECTIVE: To examine whether a polygenic risk score (PRS) derived from APOE4, CLU, and ABCA7 is associated with CSF biomarkers of Alzheimer disease (AD) pathology and whether higher cardiorespiratory fitness (CRF) modifies the association between the PRS and CSF biomarkers. METHODS: Ninety-five individuals from the Wisconsin Registry for Alzheimer's Prevention were included in these cross-sectional analyses. They were genotyped for APOE4, CLU, and ABCA7, from which a PRS was calculated for each participant...
March 24, 2017: Neurology
https://www.readbyqxmd.com/read/28337659/a20-in-multiple-sclerosis-and-parkinson-s-disease-clue-to-a-common-dysregulation-of-anti-inflammatory-pathways
#8
Simona Perga, Serena Martire, Francesca Montarolo, Nicole D Navone, Andrea Calvo, Giuseppe Fuda, Alberto Marchet, Daniela Leotta, Adriano Chiò, Antonio Bertolotto
Chronic inflammation significantly contributes to the pathogenesis of several neurodegenerative disorders. In physiological conditions, a chronic inflammatory state is prevented through the termination of the acute inflammatory response once the triggering insult is eliminated. Several mechanisms regulate the resolution of inflammation. Among these, a potent inhibitor of the pro-inflammatory NF-kB signaling known as A20 has emerged as a key player. Recent studies have shown reduced blood levels of A20 in the patients of diverse chronic inflammatory diseases...
March 23, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28335810/structured-relearning-of-activities-of-daily-living-in-dementia-the-randomized-controlled-redali-dem-trial-on-errorless-learning
#9
Sebastian Voigt-Radloff, Maartje M E de Werd, Rainer Leonhart, Danielle H E Boelen, Marcel G M Olde Rikkert, Klaus Fliessbach, Stefan Klöppel, Bernhard Heimbach, Andreas Fellgiebel, Richard Dodel, Gerhard W Eschweiler, Lucrezia Hausner, Roy P C Kessels, Michael Hüll
BACKGROUND: Errorless learning (EL) is a method for optimizing learning, which uses feed-forward instructions in order to prevent people from making mistakes during the learning process. The majority of previous studies on EL taught patients with dementia artificial tasks of little or no relevance for their daily lives. Furthermore, only a few controlled studies on EL have so far been performed and just a handful of studies have examined the long-term effects of EL. Tasks were not always trained in the patients' natural or home environment, limiting the external validity of these studies...
March 23, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28334857/co-cultures-with-stem-cell-derived-human-sensory-neurons-reveal-regulators-of-peripheral-myelination
#10
Alex J Clark, Malte S Kaller, Jorge Galino, Hugh J Willison, Simon Rinaldi, David L H Bennett
Effective bidirectional signalling between axons and Schwann cells is essential for both the development and maintenance of peripheral nerve function. We have established conditions by which human induced pluripotent stem cell-derived sensory neurons can be cultured with rat Schwann cells, and have produced for the first time long-term and stable myelinating co-cultures with human neurons. These cultures contain the specialized domains formed by axonal interaction with myelinating Schwann cells, such as clustered voltage-gated sodium channels at the node of Ranvier and Shaker-type potassium channel (Kv1...
February 15, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28330633/association-between-psychotropic-and-cardiovascular-iatrogenic-alerts-and-risk-of-hospitalizations-in-elderly-people-treated-for-dementia-a-self-controlled-case-series-study-based-on-the-matching-of-2-french-health-insurance-databases
#11
Lorene Zerah, Jacques Boddaert, Armelle Leperre-Desplanques, Dominique Bonnet-Zamponi, Marc Verny, Jean Deligne, Pierre-Yves Boelle
BACKGROUND: Elderly people are at risk of repeated hospitalizations, some of which may be drug related and preventable. In 2011, a group of French healthcare experts selected 5 iatrogenic alerts (IAs), based on criteria identified in a literature search and from their professional experience, to assess the appropriateness of medication in elderly patients. OBJECTIVES: Our objective was to examine the association between hospitalizations and IAs in elderly patients treated for Alzheimer disease who are particularly sensitive to adverse drug events...
March 18, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28327916/multilayer-modeling-and-analysis-of-human-brain-networks
#12
Manlio De Domenico
Understanding how the human brain is structured, and how its architecture is related to the function, is of paramount importance for a variety of applications, including, but not limited to, new ways to prevent, deal with and cure brain diseases, such as Alzheimer's or Parkinson's, and psychiatric disorders, such as Schizophrenia. The recent advances in structural and functional neuroimaging, together with the increasing attitude to interdisciplinary approaches involving computer science, mathematics and physics, are fostering interesting results from computational neuroscience, that are quite often based on the analysis of complex network representation of human brain...
February 6, 2017: GigaScience
https://www.readbyqxmd.com/read/28324298/circadian-disruption-associated-with-alzheimer-s-disease
#13
REVIEW
Yumna Saeed, Sabra M Abbott
Alzheimer's disease (AD) is increasing in prevalence and has a significant impact on caregivers and the healthcare system. One of the many physiologic process affected by AD is the circadian system, with disruption reflected in abnormalities of the sleep-wake cycle. This interaction is bidirectional, with circadian and sleep disruption influencing disease progression. Understanding the bidirectional relationship between AD and circadian disruption may allow for earlier recognition of the potential to develop dementia as well as improved targeted approaches for therapy...
April 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/28323826/apoe-related-risk-of-mild-cognitive-impairment-and-dementia-for-prevention-trials-an-analysis-of-four-cohorts
#14
Jing Qian, Frank J Wolters, Alexa Beiser, Mary Haan, M Arfan Ikram, Jason Karlawish, Jessica B Langbaum, John M Neuhaus, Eric M Reiman, J Scott Roberts, Sudha Seshadri, Pierre N Tariot, Beth McCarty Woods, Rebecca A Betensky, Deborah Blacker
BACKGROUND: With the onset of prevention trials for individuals at high risk for Alzheimer disease, there is increasing need for accurate risk prediction to inform study design and enrollment, but available risk estimates are limited. We developed risk estimates for the incidence of mild cognitive impairment (MCI) or dementia among cognitively unimpaired individuals by APOE-e4 dose for the genetic disclosure process of the Alzheimer's Prevention Initiative Generation Study, a prevention trial in cognitively unimpaired APOE-e4/e4 homozygote individuals...
March 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28322422/use-it-or-lose-it-cognitive-activity-as-a-protec-tive-factor-for-cognitive-decline-associated-with-alzheimer-s-disease
#15
Panagiota Mistridis, Jutta Mata, Stefan Neuner-Jehle, Jean-Marie Annoni, Andreas Biedermann, Irene Bopp-Kistler, Dominique Brand, Andrea Brioschi Guevara, Hedi Decrey-Wick, Jean-François Démonet, Ulrich Hemmeter, Reto W Kressig, Brian Martin, Luca Rampa, Egemen Savaskan, Andreas Stuck, Philipp Tschopp, Dina Zekry, Andreas Monsch
Because of the worldwide aging of populations, Alzheimer's disease and other dementias constitute a devastating experience for patients and families as well as a major social and economic burden for both healthcare systems and society. Multiple potentially modifiable cardiovascular and lifestyle risk factors have been associated with this disease. Thus, modifying these risk factors and identifying protective factors represent important strategies to prevent and delay disease onset and to decrease the social burden...
March 21, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28322310/hormone-therapy-at-early-post-menopause-increases-cognitive-control-related-prefrontal-activity
#16
Romuald Girard, Elise Météreau, Julie Thomas, Michel Pugeat, Chen Qu, Jean-Claude Dreher
Clinical data have been equivocal and controversial as to the benefits to the brain and cognition of hormone therapy (HT) in postmenopausal women. Recent reevaluation of the role of estrogens proposed that HT may effectively prevent the deleterious effects of aging on cognition, and reduces the risks of dementia, including Alzheimer's disease, if initiated early at the beginning of menopause. Yet, little is known about the effects of HT on brain activation related to cognitive control, the ability to make flexible decisions in relation to internal goals...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28320515/hmgcs2-promotes-autophagic-degradation-of-the-amyloid-%C3%AE-precursor-protein-through-ketone-body-mediated-mechanisms
#17
Li-Tian Hu, Bing-Lin Zhu, Yu-Jie Lai, Yan Long, Jing-Si Zha, Xiao-Tong Hu, John H Zhang, Guo-Jun Chen
HMGCS2 (mitochondrial 3-hydroxy-3-methylglutaryl-COA synthase 2) is a control enzyme in ketogenesis. The mitochondrial localization and interaction with APP (β-amyloid precursor protein) suggest that HMGCS2 may play a role in the pathophysiology of AD (Alzheimer's disease). Here we report that overexpression of HMGCS2 decreased levels of APP and related CTFs (carboxy-terminal fragments), which was largely prevented by an autophagic inhibitor chloroquine. In addition, HMGCS2 enhancement of autophagic marker LC3II was diminished by rapamycin, an inhibitor of mechanistic target of rapamycin...
March 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28320234/gelidiella-acerosa-protects-against-a%C3%AE-25-35-induced-toxicity-and-memory-impairment-in-swiss-albino-mice-an-in-vivo-report
#18
Syad Arif Nisha, Kasi Pandima Devi
CONTEXT: Alzheimer's disease (AD) is believed to develop due to deposition of β-amyloid (Aβ) peptide. Hence, efforts are being made to develop potent drug that target amyloid hypothesis. OBJECTIVE: The present study explores the effect of the seaweed Gelidiella acerosa (Forsskål) Feldmann & Hamel (Gelidiellaceae) against Aβ 25-35 peptide in Swiss albino mice. MATERIALS AND METHODS: The animals were administered through intracerebroventricular (ICV) injection with the Aβ 25-35 peptide (10 μg/10 μL/ICV site) on 21st day of the pretreatment of G...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28319243/association-of-antioxidant-supplement-use-and-dementia-in-the-prevention-of-alzheimer-s-disease-by-vitamin-e-and-selenium-trial-preadvise
#19
Richard J Kryscio, Erin L Abner, Allison Caban-Holt, Mark Lovell, Phyllis Goodman, Amy K Darke, Monica Yee, John Crowley, Frederick A Schmitt
Importance: Oxidative stress is an established dementia pathway, but it is unknown if the use of antioxidant supplements can prevent dementia. Objective: To determine if antioxidant supplements (vitamin E or selenium) used alone or in combination can prevent dementia in asymptomatic older men. Design, Setting, and Participants: The Prevention of Alzheimer's Disease by Vitamin E and Selenium (PREADViSE) trial began as a double-blind randomized clinical trial in May 2002, which transformed into a cohort study from September 2009 to May 2015...
March 20, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28317487/impact-of-cytokines-and-chemokines-on-alzheimer-s-disease-neuropathological-hallmarks
#20
Catarina Domingues, Odete A B da Cruz E Silva, Ana Gabriela Henriques
Alzheimer's disease (AD) is the most common neurodegenerative disorder, neuropathologically characterized by aggregates of β-amyloid peptides, which deposit as senile plaques, and of TAU protein, which forms neurofibrillary tangles. It is now widely accepted that neuroinflammation is implicated in AD pathogenesis. Indeed, inflammatory mediators, such as cytokines and chemokines (chemotactic cytokines) can impact on the Alzheimer´s amyloid precursor protein by affecting its expression levels and amyloidogenic processing and/or β-amyloid aggregation...
March 17, 2017: Current Alzheimer Research
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