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https://www.readbyqxmd.com/read/29125484/general-practice-clinical-data-help-identify-dementia-hotspots-a-novel-geospatial-analysis-approach
#1
Nasser Bagheri, Kinley Wangdi, Nicolas Cherbuin, Kaarin J Anstey
We have a poor understanding of whether dementia clusters geographically, how this occurs, and how dementia may relate to socio-demographic factors. To shed light on these important questions, this study aimed to compute a dementia risk score for individuals to assess spatial variation of dementia risk, identify significant clusters (hotspots), and explore their association with socioeconomic status. We used clinical records from 16 general practices (468 Statistical Area level 1 s, N = 14,746) from the city of west Adelaide, Australia for the duration of 1 January 2012 to 31 December 2014...
November 8, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29091778/risk-factors-for-amyloid-positivity-in-older-people-reporting-significant-memory-concern
#2
Jie Zhang, Wenjun Zhou, Ryan M Cassidy, Hang Su, Yindan Su, Xiangyang Zhang
OBJECTIVE: The goal of this study is to identify risk factors for the presence of amyloid accumulation in the brains of patients reporting subjective cognitive decline (SCD). Identifying such risk factors will help better identify patients who ought to receive neuroimaging studies to confirm plaque presence and begin intervention, as well as enhancing the study of the pathogenesis of Alzheimer's disease. METHODS: Ninety-nine SCD participants (72.2±5.6years, 57...
October 6, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/29089568/alzheimer-s-disease-and-cigarette-smoke-components-effects-of-nicotine-pahs-and-cd-ii-cr-iii-pb-ii-pb-iv-ions-on-amyloid-%C3%AE-peptide-aggregation
#3
Cecilia Wallin, Sabrina B Sholts, Nicklas Österlund, Jinghui Luo, Jüri Jarvet, Per M Roos, Leopold Ilag, Astrid Gräslund, Sebastian K T S Wärmländer
Cigarette smoking is a significant risk factor for Alzheimer's disease (AD), which is associated with extracellular brain deposits of amyloid plaques containing aggregated amyloid-β (Aβ) peptides. Aβ aggregation occurs via multiple pathways that can be influenced by various compounds. Here, we used AFM imaging and NMR, fluorescence, and mass spectrometry to monitor in vitro how Aβ aggregation is affected by the cigarette-related compounds nicotine, polycyclic aromatic hydrocarbons (PAHs) with one to five aromatic rings, and the metal ions Cd(II), Cr(III), Pb(II), and Pb(IV)...
October 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29066899/sex-differences-in-obesity-and-cognitive-function-in-a-cognitively-normal-aging-chinese-han-population
#4
Wei Li, Qi Qiu, Lin Sun, Ling Yue, Tao Wang, Xia Li, Shifu Xiao
BACKGROUND: Sex differences in Alzheimer's disease and mild cognitive impairment have been well recognized. However, sex differences in cognitive function and obesity in cognitively normal aging Chinese Han population have not attracted much attention. OBJECTIVE: The aim of this study was to investigate the relationship between sex, obesity, and cognitive function in an elderly Chinese population with normal cognitive function. SUBJECTS AND METHODS: A total of 228 cognitively normal aging participants (males/females =93/135) entered this study...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29058954/migraine-and-cognitive-function-baseline-findings-from-the-brazilian-longitudinal-study-of-adult-health-elsa-brasil
#5
Cristina Pellegrino Baena, Alessandra Carvalho Goulart, Itamar de Souza Santos, Claudia Kimie Suemoto, Paulo Andrade Lotufo, Isabela Judith Bensenor
Background The association between migraine and cognitive performance is unclear. We analyzed whether migraine is associated with cognitive performance among participants of the Brazilian Longitudinal Study of Adult Health, ELSA-Brasil. Methods Cross-sectional analysis, including participants with complete information about migraine and aura at baseline. Headache status (no headaches, non-migraine headaches, migraine without aura and migraine with aura), based on the International Headache Society classification, was used as the dependent variable in the multilinear regression models, using the category "no headache" as reference...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/29036821/estimated-glomerular-filtration-rate-is-not-associated-with-alzheimer-s-disease-in-a-northern-ireland-cohort
#6
Euan N Paterson, Michael A Williams, Peter Passmore, Giuliana Silvestri, Tom J MacGillivray, Alexander P Maxwell, Gareth J McKay
BACKGROUND: Alzheimer's disease (AD) prevalence is increasing globally and typically progresses for several years prior to clinical presentation of dementia. Renal dysfunction and vascular disease have been reported in association with dementia in several cross-sectional and longitudinal studies, and may contribute to AD risk. Experimental and observational studies suggest amyloid-β (Aβ) clearance may be impaired in chronic kidney disease (CKD) indicating a mechanism for increased AD risk...
October 11, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29036813/association-between-later-life-lifestyle-factors-and-alzheimer-s-disease-biomarkers-in-non-demented-individuals-a-longitudinal-descriptive-cohort-study
#7
Babette L R Reijs, Stephanie J B Vos, Hilkka Soininen, Jyrki Lötjonen, Juha Koikkalainen, Maria Pikkarainen, Anette Hall, Ritva Vanninen, Yawu Liu, Sanna-Kaisa Herukka, Yvonne Freund-Levi, Giovanni B Frisoni, Lutz Frölich, Flavio Nobili, Marcel Olde Rikkert, Luiza Spiru, Magda Tsolaki, Åsa K Wallin, Philip Scheltens, Frans Verhey, Pieter Jelle Visser
BACKGROUND: Lifestyle factors have been associated with the risk of dementia, but the association with Alzheimer's disease (AD) remains unclear. OBJECTIVE: To examine the association between later life lifestyle factors and AD biomarkers (i.e., amyloid-β 1-42 (Aβ42) and tau in cerebrospinal fluid (CSF), and hippocampal volume) in individuals with subjective cognitive decline (SCD) and mild cognitive impairment (MCI). In addition, to examine the effect of later life lifestyle factors on developing AD-type dementia in individuals with MCI...
October 11, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29018129/neuroimaging-correlates-of-cerebral-microbleeds-the-aric-study-atherosclerosis-risk-in-communities
#8
MULTICENTER STUDY
Jonathan Graff-Radford, Jeannette Simino, Kejal Kantarci, Thomas H Mosley, Michael E Griswold, B Gwen Windham, A Richey Sharrett, Marilyn S Albert, Rebecca F Gottesman, Clifford R Jack, Prashanthi Vemuri, David S Knopman
BACKGROUND AND PURPOSE: Cerebral microbleed (CMB) location (deep versus strictly lobar) may elucidate underlying pathology with deep CMBs being more associated with hypertensive vascular disease and lobar CMBs being more associated with cerebral amyloid angiopathy. The objective of this study was to determine whether neuroimaging signs of vascular disease and Alzheimer pathology are associated with different types of CMBs. METHODS: Among 1677 nondemented ARIC (Atherosclerosis Risk in Communities) participants (mean age=76±5 years; 40% men; 26% black) with 3-Tesla MRI scans at the fifth examination (2011-2013), we fit multinomial logistic regression models to quantify relationships of brain volumes (Alzheimer disease signature regions, total gray matter, frontal gray matter, and white matter hyperintensity volumes), infarct frequencies (lacunar, nonlacunar, and total), and apolipoprotein E (number of ε4 alleles) with CMB location (none, deep/mixed, or strictly lobar CMBs)...
November 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28949318/psychogeriatric-diagnoses-in-old-people-s-homes-and-negative-health-behavior
#9
Spomenka Tomek-Roksandić, Ivana Popek, Nada Tomasović Mrčela, Zvonimir Šostar, Branko Kolarić, Nina Smolej Narančić, Ana Stavljenić Rukavina, Mate Ljubičić
BACKGROUND: The study was designed as a gerontologic-public health analysis of the relationship between the leading and accompanying psychogeriatric diagnoses and negative health behaviors recorded in the old people's home users, with the aim to evaluate and redefine gerontologic-public health priorities and geroprophylactic measures, with special reference to persons suffering from Alzheimer's disease and other dementias. SUBJECT AND METHODS: Gerontologic-public health indicators obtained by monitoring health care needs of the elderly in specific institutional primary health care at 10 old people's homes (N=1185) in Croatia in 2013 were analyzed using the professional methodology developed at Department of Health Gerontology, Andrija Štampar Teaching Institute of Public Health (Registry List 1 that refers to monitoring specific primary health care needs of elderly at old people's homes)...
September 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28911536/biopharmaceutical-potentials-of-prosopis-spp-mimosaceae-leguminosa
#10
REVIEW
Santhaseelan Henciya, Prabha Seturaman, Arthur Rathinam James, Yi-Hong Tsai, Rahul Nikam, Yang-Chang Wu, Hans-Uwe Dahms, Fang Rong Chang
Prosopis is a commercially important plant genus, which has been used since ancient times, particularly for medicinal purposes. Traditionally, Paste, gum, and smoke from leaves and pods are applied for anticancer, antidiabetic, anti-inflammatory, and antimicrobial purposes. Components of Prosopis such as flavonoids, tannins, alkaloids, quinones, or phenolic compounds demonstrate potentials in various biofunctions, such as analgesic, anthelmintic, antibiotic, antiemetic, microbial antioxidant, antimalarial, antiprotozoal, antipustule, and antiulcer activities; enhancement of H(+), K(+), ATPases; oral disinfection; and probiotic and nutritional effects; as well as in other biopharmaceutical applications, such as binding abilities for tablet production...
January 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28854435/n-terminal-prosomatostatin-and-risk-of-vascular-dementia
#11
Hannes Holm, Katarina Nägga, Erik D Nilsson, Fabrizio Ricci, Eduardo Cinosi, Olle Melander, Oskar Hansson, Erasmus Bachus, Martin Magnusson, Artur Fedorowski
BACKGROUND: Increased somatostatin plasma concentration has been found in patients with vascular dementia. However, it is unknown whether or not somatostatin levels may predict dementia development in the general population. To this end, we sought to assess the association of circulating N-terminal prosomatostatin (NT-proSST) with incident dementia among community-dwelling older adults. METHODS: In the prospective population-based Malmö Preventive Project, 5,347 study participants (mean age: 69 ± 6years; 70% men) provided plasma for the determination of NT-proSST concentration...
August 31, 2017: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/28840553/the-role-of-nitric-oxide-from-neurological-disease-to-cancer
#12
Ahmed Maher, Mohamed F Abdel Rahman, Mohamed Z Gad
Until the beginning of the 1980s, nitric oxide (NO) was just a toxic molecule of a lengthy list of environmental pollutants such as cigarette smoke and smog. In fact, NO had a very bad reputation of being destroyer of ozone, suspected carcinogen and precursor of acid rain. However, by the early 1990s it was well recognized by the medical research community. Over the last two decades, the picture has been totally changed. Diverse lines of evidence have converged to show that this sometime poison is a fundamental player in the everyday business of the human body...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28806610/risk-factors-of-transition-from-mild-cognitive-impairment-to-alzheimer-s-disease-and-death-a-cohort-study
#13
Haihong Xue, Qianqian Sun, Long Liu, Liye Zhou, Ruifeng Liang, Runlian He, Hongmei Yu
BACKGROUND: Knowledge of risk factors is essential for developing strategies that prevent or minimise transitions from mild cognitive impairment (MCI) to Alzheimer's disease (AD) and death. The aim of this study was to assess risk factors for progression to AD and death among Chinese individuals with cognitive impairment. METHODS: We conducted a multisite, population-based cohort study on 437 community-dwelling elderly MCI residents in Taiyuan, China from 2010 to 2014...
October 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28796009/different-exposures-to-risk-factors-do-not-explain-the-inverse-relationship-of-occurrence-between-cancer-and-neurodegenerative-diseases-an-italian-nested-case-control-study
#14
Federica Prinelli, Fulvio Adorni, Maria Lea Correa Leite, Carla Pettenati, Antonio Russo, Simona Di Santo, Massimo Musicco
Several studies reported that cancer is less frequent in persons with Alzheimer's and Parkinson's Diseases (AD/PD) and vice-versa. We evaluated whether a different distribution of known nongenetic risk factors for cancer and AD/PD, might explain their inverse relationship of occurrence. We nested 2 case-control studies in a subsample of a large cohort of 1,000,000 resident in Lombardy Region in Italy (n=1515), followed-up for cancer and AD/PD occurrence since 1991 until 2012. Conditional logistic regression was performed to determine the odds ratios (OR) and 95% confidence intervals (CI) of AD/PD in subjects with and without cancer and the risk of cancer in those with and without AD/PD...
August 8, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/28762314/insights-into-nicotinic-receptor-signaling-in-nicotine-addiction-implications-for-prevention-and-treatment
#15
Wuyi Liu, Ming D Li
Nicotinic acetylcholine receptors (nAChRs) belong to the Cys-loop ligand-gated ion-channel (LGIC) superfamily, which also includes the GABA, glycine, and serotonin receptors. Many nAChR subunits have been identified and shown to be involved in signal transduction on binding to them of either the neurotransmitter acetylcholine or exogenous ligands such as nicotine. The nAChRs are pentameric assemblies of homologous subunits surrounding a central pore that gates cation flux, and they are expressed at neuromuscular junctions throughout the nervous system...
August 1, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28700830/spectral-and-photophysical-behavior-of-cytisine-in-n-hexane-experimental-evidence-for-the-s1-n-%C3%AF-%C3%A2-s0-fluorescence
#16
Ewa Krystkowiak, Anna K Przybył, Małgorzata Bayda, Julia Józkowiak, Andrzej Maciejewski
Spectral and photophysical properties of (-)-cytisine (the compound used as a smoking cessation aid and a potential drug in Alzheimer's and Parkinson's diseases) were investigated. The two conformers of cytisine, whose presence in the S0 state has been earlier proved by the NMR and IR methods as well as in theoretical calculation, in nonpolar n-hexane show a rarely observed prompt fluorescence from the S1(n,π*) excited state. This observation is unambiguously evidenced by very small radiative rate constants of these two emitting conformers, kF = 7...
July 25, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28692781/depression-as-a-risk-factor-of-organic-diseases-an-international-integrative-review
#17
Teodora Bica, Ruth Castelló, Loren L Toussaint, Pilar Montesó-Curto
PURPOSE AND DESIGN: This integrative review offers a systematic synthesis of the international literature regarding the role of depression as a risk factor in physical illnesses and the mechanisms of this connection. Special attention is paid to those modifiable factors. FINDINGS: Published studies of depression and physical illness and disease(N = 24) from five countries that were indexed in PubMed, the Cumulative Index to Nursing and Allied Health Literature (CINAHL), APA PsycNET, Scopus, Dialnet, and CUIDEN were examined...
July 2017: Journal of Nursing Scholarship
https://www.readbyqxmd.com/read/28689644/childhood-stress-and-adversity-is-associated-with-late-life-dementia-in-aboriginal-australians
#18
Kylie Radford, Kim Delbaere, Brian Draper, Holly A Mack, Gail Daylight, Robert Cumming, Simon Chalkley, Cecilia Minogue, Gerald A Broe
OBJECTIVES: High rates of dementia have been observed in Aboriginal Australians. This study aimed to describe childhood stress in older Aboriginal Australians and to examine associations with late-life health and dementia. DESIGN: A cross-sectional study with a representative sample of community-dwelling older Aboriginal Australians. SETTING: Urban and regional communities in New South Wales, Australia. PARTICIPANTS: 336 Aboriginal and/or Torres Strait Islander Australians aged 60-92 years, of whom 296 were included in the current analyses...
October 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28667909/graphical-review-the-redox-dark-side-of-e-cigarettes-exposure-to-oxidants-and-public-health-concerns
#19
REVIEW
Hua Cai, Chen Wang
Since the initial marketing in 2005, the use of e-cigarettes has increased exponentially. Nonetheless, accumulating evidence has demonstrated the ineffectiveness of e-cigarettes in leading to smoking cessation, and decreasing the adverse health impacts of cigarette smoking. The number of adolescents adapted to e-cigarettes has been increasing substantially each year, and this adaptation has promoted openness to tobacco smoking. The present review discusses controversies regarding the smoking cessation effects of e-cigarettes, recent governmental policies and regulations of e-cigarette use, toxic components and vaporization products of e-cigarettes, and the novel molecular mechanisms underlying the adverse health impacts of e-cigarettes leading to oxidative stress in target tissues, and consequent development of cardiopulmonary diseases (i...
May 25, 2017: Redox Biology
https://www.readbyqxmd.com/read/28632787/risk-of-alzheimer-s-disease-or-dementia-following-a-cancer-diagnosis
#20
Erin J Aiello Bowles, Rod L Walker, Melissa L Anderson, Sascha Dublin, Paul K Crane, Eric B Larson
OBJECTIVE: We evaluated dementia and Alzheimer's disease (AD) risks after a cancer diagnosis in a population-based prospective cohort, the Adult Changes in Thought (ACT) study. METHODS: We followed community-dwelling people aged ≥65 years without dementia at study entry for incident dementia and AD from 1994-2015. We linked study data with cancer registry data and categorized cancer diagnoses as prevalent (diagnosed before ACT study enrollment) or incident (diagnosed during follow-up)...
2017: PloS One
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