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Alzheimers smoking

Xiaochen Huang, Shengqi Dong, Jie Zhen, Huiqiang Zhang, Tong Lin, Yuhong Zeng, Nicholas Van Halm-Lutterodt, Linhong Yuan
Background: Epidemiology studies have indicated an association of apolipoprotein E (ApoE) genetic polymorphism and circulating steroid hormone levels with the risk of Alzheimer's disease. The established physiologic relationship between apolipoproteins and steroid hormone indicate an important role of ApoE polymorphism in impacting the relationship between serum steroid hormones and cognition in the elderly. Study design: A total of 500 Chinese adults aged between 50 and 75 participated in this community-based cross-sectional study...
2018: Frontiers in Endocrinology
Po-Chi Chan, Cheng-Yu Wei, Guang-Uei Hung, Pai-Yi Chiu
Objectives: The association of vascular risk factors (VRFs) with incidence of Alzheimer's disease (AD) and vascular dementia (VaD) has been well studied. However, the association between VRFs and non-AD dementia is seldom investigated. In this study, we aim to compare the concurrence of VRFs of Lewy body dementia (LBD) to AD. Materials & Methods: We consecutively enrolled patients with dementia with Lewy bodies (DLB), Parkinson's disease dementia (PDD), and AD, and the prevalence of arterial hypertension, diabetes mellitus, hypercholesterolemia, hyperlipidemia, smoking, and obesity was assessed and compared...
March 2018: Brain and Behavior
Haruo Hanyu
There is a wide range of potentially modifiable risk factors for Alzheimer's disease and dementia, including cardiovascular risk factors (e.g. hypertension, diabetes, dyslipidemia, obesity, sleep-apnea syndrome), psychosocial factors (e.g., depression), health behaviors (e.g., low level of physical or mental activity, smoking status), and head trauma. In the elderly, weight loss associated with frailty and sarcopenia is another risk factor for dementia. Recent epidemiological studies have shown that the prevalence of dementia has declined in the US and European countries during the last 20 years...
March 2018: Brain and Nerve, Shinkei Kenkyū No Shinpo
Ida K Karlsson, Alexander Ploner, Yunzhang Wang, Margaret Gatz, Nancy L Pedersen, Sara Hägg
Background: This study aims to investigate if DNA methylation of the apolipoprotein E (APOE) locus affects the risks of dementia, Alzheimeŕs disease (AD) or cardiovascular disease (CVD). Methods: DNA methylation across the APOE gene has previously been categorized into three distinct regions: a hypermethylated region in the promoter, a hypomethylated region in the first two introns and exons and a hypermethylated region in the 3'exon that also harbours the APOE ε2 and ε4 alleles...
March 2, 2018: International Journal of Epidemiology
Harry V Vinters, Chris Zarow, Ewa Borys, Jeffrey D Whitman, Spencer Tung, William G Ellis, Ling Zheng, Helena C Chui
The incidence and severity of cerebrovascular disease (CVD) increase with advancing age, as does the risk of developing Alzheimer disease (AD). Not surprisingly, heterogeneous forms of CVD may coexist with AD changes in the 'aging brain'. These include angiopathies (affecting both large and small arteries) that result from 'classical' risk factors (hypertension, smoking, diabetes) and others (cerebral amyloid angiopathy) that are biochemically closely linked to AD. The morphologic consequences of these various vascular diseases are infarcts and/or haemorrhages of varying sizes within the brain, which lead to neurocognitive decline that may mimic AD-though the vascular abnormalities are usually detectable by neuroimaging...
January 30, 2018: Neuropathology and Applied Neurobiology
Yi Dong Zhou, Huai Wu Yuan, Ren Jie Ji, Ben Yan Luo
Objective To investigate the influence and forecast value of stress hyperglycemia on the early vascular cognitive impairment (VCI) in stroke patients.Methods Totally 422 patients with acute non-diabetic stroke were divided into three groups according to the fasting plasma glucose level:the euglycemia group (<6.1 mmol/L),the mild stress hyperglycemia group (6.1-7.0 mmol/L),and the severe stress hyperglycemia group (≥7.0 mmol/L).Mini-mental state examination,Alzheimer's disease rating scale cognitive subscale,and clinical dementia rating scale were used to evaluate early cognition in post-stroke patients,and patients were divided into three groups accordingly:normal cognitive function group,mild VCI group,and vascular dementia group...
December 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
Alan J Cross, Robert Anthenelli, Xia Li
Tobacco smoking, driven by the addictive properties of nicotine, continues to be a worldwide health problem. Based on the well-established role of glutamatergic neurotransmission in drug addiction, novel medication development strategies seek to halt nicotine consumption and prevent relapse to tobacco smoking by modulating glutamate transmission. The presynaptic inhibitory metabotropic glutamate receptors 2 and 3 (mGluR2/3) are key autoreceptors on glutamatergic terminals that maintain glutamate homeostasis...
November 21, 2017: Biological Psychiatry
Susanna C Larsson, Matthew Traylor, Rainer Malik, Martin Dichgans, Stephen Burgess, Hugh S Markus
OBJECTIVE: To determine which potentially modifiable risk factors, including socioeconomic, lifestyle/dietary, cardiometabolic, and inflammatory factors, are associated with Alzheimer's disease. DESIGN: Mendelian randomisation study using genetic variants associated with the modifiable risk factors as instrumental variables. SETTING: International Genomics of Alzheimer's Project. PARTICIPANTS: 17 008 cases of Alzheimer's disease and 37 154 controls...
December 6, 2017: BMJ: British Medical Journal
Soheila Hosseinzadeh, Maryam Noroozian, Esmaeil Mortaz, Kazem Mousavizadeh
Cerebrovascular lesions, a potent stimulus for endothelial cell activation, trigger cognitive and degenerative changes and contribute to pathology of Alzheimer's disease (AD). Circulating microparticles (MPs) are actively involved in the pathogenesis of AD and cerebrovascular diseases, which share common vascular risk factors. We examined the plasma changes of endothelial MPs (EMPs) and platelet MPs (PMPs) in AD patients with vascular risk factors. The plasma Annexin V+ CD 41a- CD144+ EMPs and Annexin V+ CD41a+ CD144- PMPs of 37 patients with AD, with or without vascular risk factors (hypertension, diabetes, dyslipidemia, stroke, coronary artery disease, and smoking), and 10 age-matched controls were quantified by flow cytometry...
February 2018: Metabolic Brain Disease
Hirofumi Matsuyama, Yuichiro Ii, Masayuki Maeda, Maki Umino, Yukito Ueda, Ken-Ichi Tabei, Hirotaka Kida, Masayuki Satoh, Akihiro Shindo, Akira Taniguchi, Ryosuke Takahashi, Hidekazu Tomimoto
Objectives: Cerebral microbleeds (CMBs) are often observed in memory clinic patients. It has been generally accepted that deep CMBs (D-CMBs) result from hypertensive vasculopathy (HV), whereas strictly lobar CMBs (SL-CMBs) result from cerebral amyloid angiopathy (CAA) which frequently coexists with Alzheimer's disease (AD). Mixed CMBs (M-CMBs) have been partially attributed to HV and also partially attributed to CAA. The aim of this study was to elucidate the differences between SL-CMBs and M-CMBs in terms of clinical features and regional distribution...
November 2017: Brain and Behavior
S P Bell, D Liu, L R Samuels, A S Shah, K A Gifford, T J Hohman, A L Jefferson
OBJECTIVES: To examine the effect of late-life body mass index (BMI) and rapid weight loss on incident mild cognitive impairment (MCI) and Alzheimer's disease (AD). DESIGN: Prospective longitudinal cohort study. SETTING: National Alzheimer's Coordinating Center (NACC) Uniform Data Set, including 34 past and current National Institute on Aging-funded AD Centers across the United States. PARTICIPANTS: 6940 older adults (n=5061 normal cognition [NC]; n=1879 MCI)...
2017: Journal of Nutrition, Health & Aging
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...
2018: Journal of Alzheimer's Disease: JAD
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...
January 2018: Comprehensive Psychiatry
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
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
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
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
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
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
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
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