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HDL Dementia

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https://www.readbyqxmd.com/read/27911314/updating-the-evidence-on-the-association-between-serum-cholesterol-and-risk-of%C3%A2-late-life-dementia-review-and%C3%A2-meta-analysis
#1
Kaarin J Anstey, Kimberly Ashby-Mitchell, Ruth Peters
BACKGROUND: Cohort studies have reported that midlife high total serum cholesterol (TC) is associated with increased risk of Alzheimer's disease (AD) in late-life but findings have been based on few studies and previous reviews have been limited by a lack of compatible data. OBJECTIVE: We synthesized all high quality data from cohort studies reporting on the association between total serum cholesterol measured and late-life cognitive outcomes including Alzheimer's disease (AD), vascular dementia (VaD), any dementia, mild cognitive impairment (MCI), and cognitive decline...
November 29, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27663235/apolipoproteins-and-hdl-cholesterol-do-not-associate-with-the-risk-of-future-dementia-and-alzheimer-s-disease-the-national-finnish-population-study-finrisk
#2
Juho Tynkkynen, Jussi A Hernesniemi, Tiina Laatikainen, Aki S Havulinna, Jouko Sundvall, Jaana Leiviskä, Perttu Salo, Veikko Salomaa
Data on associations of apolipoproteins A-I and B (apo A-I, apo B) and HDL cholesterol (HDL-C) with dementia and Alzheimer's disease (AD) are conflicting. Our aim was to examine, whether apo B, apoA-I, their ratio, or HDL-C are significant, independent predictors of incident dementia and AD in the general population free of dementia at baseline. We analyzed the results from two Finnish prospective population-based cohort studies in a total of 13,275 subjects aged 25 to 74 years with mainly Caucasian ethnicity...
September 23, 2016: Age (2005-)
https://www.readbyqxmd.com/read/27312742/decreased-arylesterase-activity-of-paraoxonase-1-pon-1-might-be-a-common-denominator-of-neuroinflammatory-and-neurodegenerative-diseases
#3
Massimiliano Castellazzi, Alessandro Trentini, Arianna Romani, Giuseppe Valacchi, Tiziana Bellini, Gloria Bonaccorsi, Enrico Fainardi, Carlotta Cavicchio, Angelina Passaro, Giovanni Zuliani, Carlo Cervellati
High-density lipoprotein (HDL)-bound paraoxonase-1 (PON-1) is mechanistically related to oxidative stress, inflammation and atherosclerosis and this multirole nature positions the enzyme as potential pathogenic player and candidate biomarker for many diseases. Our previous work suggests that decline in serum PON-1 activities, i.e. arylesterase and paraoxonase, might be associated with the occurrence of mild cognitive impairment (MCI) to late onset Alzheimer's disease (LOAD) or vascular dementia (VAD). The present study aimed to: (1) expand our previous findings in a larger and different population, including patients with LOAD-VAD mixed dementia (MD); (2) explore a possible association between PON-1 and multiple sclerosis (MS); (3) evaluate if cerebrospinal fluid (CSF) levels of PON-1 activities might be useful biomarkers for MS...
June 13, 2016: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/26969281/lipoprotein-binding-to-anionic-biopolyelectrolytes-and-the-effect-of-glucose-on-nanoplaque-formation-in-arteriosclerosis-and-alzheimer-s-disease
#4
REVIEW
G Siegel, F H M E Mockenhaupt, A-L Behnke, E Ermilov, K Winkler, A R Pries, M Malmsten, R Hetzer, R Saunders, B Lindman
Arteriosclerosis with its clinical sequelae (cardiac infarction, stroke, peripheral arterial occlusive disease) and vascular/Alzheimer dementia not only result in far more than half of all deaths but also represent dramatic economic problems. The reason is, among others, that diabetes mellitus is an independent risk factor for both disorders, and the number of diabetics strongly increases worldwide. More than one-half of infants in the first 6months of life have already small collections of macrophages and macrophages filled with lipid droplets in susceptible segments of the coronary arteries...
June 2016: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/26956844/impact-of-vitamin-d-receptor-polymorphisms-in-centenarians
#5
Cristina Gussago, Beatrice Arosio, Franca Rosa Guerini, Evelyn Ferri, Andrea Saul Costa, Martina Casati, Elisa Mariadele Bollini, Francesco Ronchetti, Elena Colombo, Giuseppina Bernardelli, Mario Clerici, Daniela Mari
Vitamin D is a seco-sterol produced endogenously in the skin or obtained from certain foods. It exerts its action through binding to intracellular vitamin D receptor (VDR). Lately, the role of vitamin D has been revised regarding its potential advantage on delaying the process of aging. The aim of this study was to assess the contribution of VDR gene polymorphisms in healthy aging and longevity. We evaluated the frequency of four polymorphisms of the VDR gene (FokI, BsmI, ApaI, and TaqI) in centenarians (102 subjects, mean age: 102...
August 2016: Endocrine
https://www.readbyqxmd.com/read/26944122/association-between-helicobacter-pylori-infection-and-carotid-atherosclerosis-in-patients-with-vascular-dementia
#6
Yuzhen Xu, Qian Wang, Yunlin Liu, Ruiting Cui, Kaili Lu, Yuwu Zhao
BACKGROUND AND PURPOSE: Accumulating evidence indicates that various infections contribute to the pathogenesis of atherosclerosis. Helicobacter pylori (Hp) has been implicated as a risk factor of atherosclerosis for stroke and other cardiovascular disease, but limited data exist regarding vascular dementia (VD). This study aimed to investigate the relationship between Hp infection and carotid atherosclerosis in patients with VD. METHODS: A total of 354 patients who were diagnosed with VD were enrolled...
March 15, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/26828037/obesity-metabolic-profile-and-inhibition-failure-young-women-under-scrutiny
#7
N P Catoira, F Tapajóz, R F Allegri, J Lajfer, M J Rodríguez Cámara, M L Iturry, G O Castaño
BACKGROUND: The prevalence of obesity, as well as evidence about this pathology as a risk factor for cognitive decline and dementia in the elderly, is increasing worldwide. Executive functions have been found to be compromised in most studies, although the specific results are dissimilar. Obese young women constitute an interesting study and intervention group, having been found to be unaffected by age and hormonal negative effects on cognition and considering that their health problems affect not only themselves but their families and offspring...
April 1, 2016: Physiology & Behavior
https://www.readbyqxmd.com/read/26709470/hdl-cholesterol-and-apolipoproteins-in-relation-to-dementia
#8
REVIEW
Manja Koch, Majken K Jensen
PURPOSE OF REVIEW: Dementia is a major cause of disability and institutionalization. Apart from age and apolipoprotein E (APOE) genotype, there are currently no established, clinically relevant, noninvasive markers of dementia. We conducted a literature search of recent observational epidemiological studies evaluating the relevance of HDL cholesterol (HDL-C) and apolipoproteins as biomarkers of future and prevalent risk of dementia. RECENT FINDINGS: HDL-C and apolipoproteins, such as apoE have been suggested to play important roles in brain function and have been associated with dementia and Alzheimer's disease in observational studies...
February 2016: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/26682220/serum-levels-of-apoa1-and-apoa2-are-associated-with-cognitive-status-in-older-men
#9
Cheng Ma, Jin Li, Zhijun Bao, Qingwei Ruan, Zhuowei Yu
Background. Advancing age, chronic inflammation, oxidative damage, and disorders of lipid metabolism are positively linked to the late-life cognitive impairment. Serum biomarkers may be associated with the cognitive status in older men. Methods. 440 old male subjects with different cognitive functions were recruited to investigate probable serum markers. Pearson Chi-Squared test, univariate analysis, and multivariate logistic regression analysis were performed to evaluate biomarkers which may be associated with cognitive status...
2015: BioMed Research International
https://www.readbyqxmd.com/read/26582989/hdl-and-glucose-metabolism-current-evidence-and-therapeutic-potential
#10
REVIEW
Andrew L Siebel, Sarah Elizabeth Heywood, Bronwyn A Kingwell
High-density lipoprotein (HDL) and its principal apolipoprotein A-I (ApoA-I) have now been convincingly shown to influence glucose metabolism through multiple mechanisms. The key clinically relevant observations are that both acute HDL elevation via short-term reconstituted HDL (rHDL) infusion and chronically raising HDL via a cholesteryl ester transfer protein (CETP) inhibitor reduce blood glucose in individuals with type 2 diabetes mellitus (T2DM). HDL may mediate effects on glucose metabolism through actions in multiple organs (e...
2015: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/26578953/c-reactive-protein-advanced-glycation-end-products-and-their-receptor-in-type-2-diabetic-elderly-patients-with-mild-cognitive-impairment
#11
Malgorzata Gorska-Ciebiada, Malgorzata Saryusz-Wolska, Anna Borkowska, Maciej Ciebiada, Jerzy Loba
OBJECTIVE: The aim of the study was to evaluate serum levels of advanced glycation end products (AGEs), receptor for advanced glycation end products (RAGE), and C-reactive protein (CRP) in elderly patients with type 2 diabetes mellitus with and without mild cognitive impairment (MCI) and to determine the predictors (including AGEs, RAGE, and CRP levels) of having MCI in elderly patients with type 2 diabetes. METHODS: Two hundred seventy-six diabetics elders were screened for MCI (using the Montreal Cognitive Assessment: MoCA score)...
2015: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/26559414/is-it-always-alzheimer-s-let-s-talk-to-our-patients-about-cardiocerebrovascular-prevention
#12
Roberto Volpe, Gianluca Sotis, Marta Cianciabella
Unlike Alzheimer's, vascular dementia can, in part, be prevented. The preventive approach foresees treatment for high blood pressure, atrial fibrillation, diabetes, high cholesterol, low HDL cholesterol, sedentary lifestyle, smoking, alcohol abuse, obesity, and sleep apnea. Moreover, also a well-balanced diet and physical activity are cornerstones of prevention, with beneficial effects on the brain and cognition.
February 2016: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/26365957/prevalence-and-risk-factors-of-atrial-fibrillation-in-chinese-elderly-results-from-the-chinese-longitudinal-healthy-longevity-survey
#13
Choy-Lye Chei, Prassanna Raman, Chi Keong Ching, Zhao-Xue Yin, Xiao-Ming Shi, Yi Zeng, David B Matchar
BACKGROUND: Prevalence of atrial fibrillation (AF) is increasing as the world ages. AF is associated with higher risk of mortality and disease, including stroke, hypertension, heart failure, and dementia. Prevalence of AF differs with each population studied, and research on non-Western populations and the oldest old is scarce. METHODS: We used data from the 2012 wave of the Chinese Longitudinal Healthy Longevity Survey, a community-based study in eight longevity areas in China, to estimate AF prevalence in an elderly Chinese population (n = 1418, mean age = 85...
September 20, 2015: Chinese Medical Journal
https://www.readbyqxmd.com/read/26324516/beneficial-effect-of-protein-tyrosine-phosphatase-inhibitor-and-phytoestrogen-in-dyslipidemia-induced-vascular-dementia-in-ovariectomized-rats
#14
Aditi Verma, Saurabh Sharma
BACKGROUND: Estrogen deficiency and increase in protein tyrosine phosphatase (PTPase) activity may be a key mechanism in postmenopausal dyslipidemia-induced vascular dysfunction and dementia. Thus, the present study has been designed to investigate the effect of biochanin A (BCA, a phytoestrogen) and sodium orthovanadate (SOV), an inhibitor of PTPase in dyslipidemia-induced vascular dementia in ovariectomized rats. METHODS: Female Wistar rats were ovariectomized and fed on high fat diet for 4 weeks to produce dyslipidemia...
November 2015: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/26302887/cortisol-hdl-c-vldl-c-and-apoe-polymorphisms-as-laboratorial-parameters-associated-to-cognitive-impairment-no-dementia-cind-and-dementia
#15
Vivian P Lara, Paulo Caramelli, Antônio L Teixeira, Maira T Barbosa, Karoline C Carmona, Henrique C Guimarães, Maria G Carvalho, Ana P Fernandes, Karina B Gomes
BACKGROUND: Population aging is a global phenomenon whose main consequence is the increase of chronic degenerative diseases, including dementia. The aim of this case-control study was to evaluate the laboratorial parameters lipid profile, cortisol, and apolipoprotein E (APOE) gene genotype, comparing cognitively healthy controls and subjects with cognitive impairment no dementia (CIND) and dementia in a group of elderly people. METHODS: Three hundred and nine individuals enrolled in the Pietà Study (Brazil) were divided into three groups: control (n = 158), CIND (n = 92), and dementia (n = 59)...
September 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/26236001/cognitive-decline-in-patients-with-leukoaraiosis-within-5-years-after-initial-stroke
#16
Emre Kumral, Halil Güllüoğlu, Naila Alakbarova, Emrah E Deveci, Ayşe Y Çolak, Ayşe D Çağında, Dilek Evyapan, Mehmet Orman
BACKGROUND: Leukoaraiosis (LA) is closely associated with cognitive deficits. The association between LA and cognitive disorders, such as mild cognitive impairment (MCI) and dementia, after initial stroke has not been systematically studied. In this study, we sought to identify whether LA contributes to the occurrence of certain type of cognitive disorders after initial stroke. METHODS: Data from our Stroke Registry were examined, and 5-year follow-up data for LA and cognitive disorders were analyzed...
October 2015: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/26221318/-r-3-oxobutyl-3-hydroxybutanoate-obhb-induces-hyperketonemiain-alzheimer-s-disease
#17
Chang-Biao Chu, Li-Dong Jiao
The present study demonstrates the effect of (R)-3-oxobutyl 3-hydroxybutanoate (OBHB) on hyperketonemia in 2 patients with Alzheimer's disease dementia who were performed a mini-mental state examination score of above 11 and 10. The patients were treated with OBHB for 24 months and received usual diet. The patients were administered 15 g of OBHB three times per day for two days. The dosage of OBHB was increased to 30 g three times daily from the day 4. OBHB was always taken after adding with soda-flavoured syrups in order to mask the bitter taste...
2015: International Journal of Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/26218598/cardiovascular-risk-factors-associated-with-smaller-brain-volumes-in-regions-identified-as-early-predictors-of-cognitive-decline
#18
Rajiv N Srinivasa, Heidi C Rossetti, Mohit K Gupta, Roger N Rosenberg, Myron F Weiner, Ronald M Peshock, Roderick W McColl, Linda S Hynan, Richard T Lucarelli, Kevin S King
PURPOSE: To determine in a large multiethnic cohort the cardiovascular and genetic risk factors associated with smaller volume in the hippocampus, precuneus, and posterior cingulate, and their association with preclinical deficits in cognitive performance in patients younger and older than 50 years. MATERIALS AND METHODS: The institutional review board approved the study and all participants provided written informed consent. Eligible for this study were 1629 participants (700 men and 929 women; mean age, 50...
January 2016: Radiology
https://www.readbyqxmd.com/read/26094530/cognitive-functions-lipid-profile-and-apolipoprotein-e-gene-polymorphism-in-postmenopausal-women
#19
Iwona Bojar, Jakub Owoc, Angelina Wójcik-Fatla, Grzegorz Raszewski, Jaroslav Stančiak, Dorota Raczkiewicz
The objective of the study was investigation of the relationship between cognitive functions and lipid profile, BMI and change of body weight in postmenopausal women carriers of Apolipoprotein E gene polymorphisms (APOE). A group of 170 women was recruited to the study. The inclusion criteria were: minimum of two years after the last menstruation, FSH concentration 30 U/ml and no signs of dementia on the Montreal Cognitive Assessment (MoCA). A computerized battery of Central Nervous System Vital Signs (CNS VS) was used for diagnostic cognitive functions...
2015: Annals of Agricultural and Environmental Medicine: AAEM
https://www.readbyqxmd.com/read/25941422/preliminary-results-of-highly-localized-plantar-irradiation-with-low-incident-levels-of-mid-infrared-energy-which-contributes-to-the-prevention-of-dementia-associated-with-underlying-diabetes-mellitus
#20
Kenji Ryotokuji, Keisou Ishimaru, Kazuhiko Kihara, Takuma Nakajima, Satoru Otani, Yoshihisa Namiki
BACKGROUND AND AIMS: The incidence of vascular dementia (VD) and Alzheimer's disease (AD) has recently increased and the prevention of progression of these diseases is very difficult. RESULTS: The application of pinpoint plantar long-wavelength infrared light irradiation (PP-LILI) to a patient's sole, at the point where the line drawn between the first and second metatarsal heads intersects with the vertical line from the medial malleolus, was effective in increasing blood flow to the facial artery, elevating high-density lipoprotein cholesterol (HDL-C) levels, and reducing insulin resistance...
March 31, 2015: Laser Therapy
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