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AGEs and dementia

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https://www.readbyqxmd.com/read/28087694/iso-%C3%AE-acids-bitter-components-of-beer-prevent-inflammation-and-cognitive-decline-induced-in-a-mouse-model-of-alzheimer-s-disease
#1
Yasuhisa Ano, Atsushi Dhata, Yoshimasa Taniguchi, Ayaka Hoshi, Kazuyuki Uchida, Akihiko Takashima, Hiroyuki Nakayama
Alongside the rapid growth in aging populations worldwide, prevention and therapy for age-related memory decline and dementia are in great demand to maintain a long healthy life. Here we found that iso-α-acids, hop-derived bitter compounds in beer, enhance microglial phagocytosis and suppress inflammation via activation of the peroxisome proliferator-activated receptor (PPAR-γ). In normal mice, oral administration of iso-α-acids led to a significant increase both in CD11b and CD206 double-positive anti-inflammatory type microglia (P<0...
January 13, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28087304/sleep-and-neurodegeneration-a-critical-appraisal
#2
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/28086861/managing-shades-of-grey-a-focus-group-study-exploring-community-dwellers-views-on-advance-care-planning-in-older-people
#3
Natasha Michael, Clare O'Callaghan, Emma Sayers
BACKGROUND: Community-dwelling consumers of healthcare are increasing, many aging with life-limiting conditions and deteriorating cognition. However, few have had advance care planning discussions or completed documentation to ensure future care preferences are acted upon. This study examines the awareness, attitudes, and experiences of advance care planning amongst older people and unrelated offspring/caregivers of older people residing in the community. METHODS: Qualitative descriptive research, which included focus groups with older people (55+ years) and older people's offspring/caregivers living in an Australian city and surrounding rural region...
January 13, 2017: BMC Palliative Care
https://www.readbyqxmd.com/read/28079014/predicting-cognitive-decline-across-four-decades-in-mutation-carriers-and-non-carriers-in-autosomal-dominant-alzheimer-s-disease
#4
Ove Almkvist, Elena Rodriguez-Vieitez, Steinunn Thordardottir, Kaarina Amberla, Karin Axelman, Hans Basun, Anne Kinhult-Ståhlbom, Lena Lilius, Anne Remes, Lars-Olof Wahlund, Matti Viitanen, Lars Lannfelt, Caroline Graff
OBJECTIVES: The aim of this study was to investigate cognitive performance including preclinical and clinical disease course in carriers and non-carriers of autosomal-dominant Alzheimer's disease (adAD) in relation to multiple predictors, that is, linear and non-linear estimates of years to expected clinical onset of disease, years of education and age. METHODS: Participants from five families with early-onset autosomal-dominant mutations (Swedish and Arctic APP, PSEN1 M146V, H163Y, and I143T) included 35 carriers (28 without dementia and 7 with) and 44 non-carriers...
January 12, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28077346/the-use-of-motion-based-technology-for-people-living-with-dementia-or-mild-cognitive-impairment-a-literature-review
#5
REVIEW
Erica Dove, Arlene J Astell
BACKGROUND: The number of people living with dementia and mild cognitive impairment (MCI) is increasing substantially. Although there are many research efforts directed toward the prevention and treatment of dementia and MCI, it is also important to learn more about supporting people to live well with dementia or MCI through cognitive, physical, and leisure means. While past research suggests that technology can be used to support positive aging for people with dementia or MCI, the use of motion-based technology has not been thoroughly explored with this population...
January 11, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28077166/threonine-175-a-novel-pathological-phosphorylation-site-on-tau-protein-linked-to-multiple-tauopathies
#6
Alexander J Moszczynski, Wencheng Yang, Robert Hammond, Lee Cyn Ang, Michael J Strong
Microtubule associated protein tau (tau) deposition is associated with a spectrum of neurodegenerative diseases collectively termed tauopathies. We have previously shown that amyotrophic lateral sclerosis (ALS) with cognitive impairment (ALSci) is associated with tau phosphorylation at Thr(175) and that this leads to activation of GSK3β which then induces phosphorylation at tau Thr(231). This latter step leads to dissociation of tau from microtubules and pathological tau fibril formation. To determine the extent to which this pathway is unique to ALS, we have investigated the expression of pThr(175) tau and pThr(231) tau across a range of frontotemporal degenerations...
January 11, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28077020/relationship-between-18-f-flutemetamol-uptake-and-rbans-performance-in-non-demented-community-dwelling-older-adults
#7
Dustin B Hammers, Taylor J Atkinson, Bonnie C A Dalley, Kayla R Suhrie, Britney E Beardmore, Lance D Burrell, Kevin P Horn, Kelli M Rasmussen, Norman L Foster, Kevin Duff, John M Hoffman
OBJECTIVE: The Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) has been used extensively for clinical care and in research for patients with mild cognitive impairment and Alzheimer's disease (AD); however, relatively few studies have evaluated the relationship between RBANS performance and AD imaging biomarkers. The purpose of the current study was to evaluate the association between a relatively new amyloid positron emission tomography imaging biomarker and performance on the RBANS...
January 12, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28075435/cardiac-biomarkers-predict-1-year-mortality-in-elderly-patients-undergoing-hip-fracture-surgery
#8
Spyridon Katsanos, Andreas F Mavrogenis, Nikolaos Kafkas, Celestino Sardu, Vasileios Kamperidis, Panagiota Katsanou, Dimitrios Farmakis, John Parissis
This prospective study included 152 elderly patients (mean age, 80 years; range, 72-88 years) with a hip fracture treated surgically. Comorbidities were evaluated, and B-type natriuretic peptide was measured at baseline and at postoperative days 4 and 5 in addition to troponin I. Major cardiac events were recorded, and 1-year mortality was assessed. Comorbidity models with the important multivariate predictors of 1-year mortality were analyzed. Overall, 9 patients (6%) experienced major cardiac events postoperatively during their hospitalization...
January 11, 2017: Orthopedics
https://www.readbyqxmd.com/read/28075382/b-vitamin-intake-and-biomarker-status-in-relation-to-cognitive-decline-in-healthy-older-adults-in-a-4-year-follow-up-study
#9
Catherine F Hughes, Mary Ward, Fergal Tracey, Leane Hoey, Anne M Molloy, Kristina Pentieva, Helene McNulty
Advancing age can be associated with an increase in cognitive dysfunction, a spectrum of disability that ranges in severity from mild cognitive impairment to dementia. Folate and the other B-vitamins involved in one-carbon metabolism are associated with cognition in ageing but the evidence is not entirely clear. The hypothesis addressed in this study was that lower dietary intake or biomarker status of folate and/or the metabolically related B-vitamins would be associated with a greater than expected rate of cognitive decline over a 4-year follow-up period in healthy older adults...
January 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28074678/prevention-of-alzheimer-s-disease-cerebrovascular-disease-and-dementia-in-women-the-case-for-menopause-hormone-therapy
#10
Dennis A Davey
Alzheimer's disease, cerebrovascular disease and aging-related cognitive impairment and dementia (ARCID) increase in prevalence in women with advancing age. The development of Alzheimer's disease, cerebrovascular disease and ARCID may be postponed or prevented by protective measures including the active treatment of vascular risk factors and continuing exercise and healthy lifestyle from early- and mid-life onward. Bilateral oophorectomy before the natural menopause is associated with an increased incidence of ARCID and the increased risk is significantly reduced by estrogen therapy...
January 11, 2017: Neurodegenerative Disease Management
https://www.readbyqxmd.com/read/28074409/management-of-depression-in-patients-with-dementia-is-pharmacological-treatment-justified
#11
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/28073031/plasma-concentrations-of-free-amyloid-%C3%AE-cannot-predict-the-development-of-alzheimer-s-disease
#12
Hugo Lövheim, Fredrik Elgh, Anders Johansson, Henrik Zetterberg, Kaj Blennow, Göran Hallmans, Sture Eriksson
INTRODUCTION: Biomarkers that identify individuals at risk of Alzheimer's disease (AD) development would be highly valuable. Plasma concentration of amyloid β (Aβ)-central in the pathogenesis of AD-is a logical candidate, but studies to date have produced conflicting results on its utility. METHODS: Plasma samples from 339 preclinical AD cases (76.4% women, mean age 61.3 years) and 339 age- and sex-matched dementia-free controls, taken an average of 9.4 years before AD diagnosis, were analyzed using Luminex xMAP technology and INNOBIA plasma Aβ form assays to determine concentrations of free plasma Aβ40 and Aβ42...
January 7, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28071980/metabolic-syndrome-hypertension-and-nervous-system-injury-epidemiological-correlates
#13
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/28071922/anxiety-symptoms-and-risk-of-dementia-and-mild-cognitive-impairment-in-the-oldest-old-women
#14
Ahmed M Kassem, Mary Ganguli, Kristine Yaffe, Joseph T Hanlon, Oscar L Lopez, John W Wilson, Kristine Ensrud, Jane A Cauley
OBJECTIVES: Research is limited and findings conflict regarding anxiety as a predictor of future cognitive decline in the oldest old persons. We examined the relationship between levels of and changes in anxiety symptoms, and subsequent dementia and mild cognitive impairment (MCI) in the oldest old women. METHOD: We conducted secondary analyses of data collected from 1425 community-dwelling women (mean age = 82.8, SD ±3.1 years) followed on average for five years...
January 10, 2017: Aging & Mental Health
https://www.readbyqxmd.com/read/28069458/loganin-enhances-long-term-potentiation-and-recovers-scopolamine-induced-learning-and-memory-impairments
#15
Eun-Sang Hwang, Hyun-Bum Kim, Seok Lee, Min-Ji Kim, Sung-Ok Lee, Seung-Moo Han, Sungho Maeng, Ji-Ho Park
Although the incidence rate of dementia is rapidly growing in the aged population, therapeutic and preventive reagents are still suboptimal. Various model systems are used for the development of such reagents in which scopolamine is one of the favorable pharmacological tools widely applied. Loganin is a major iridoid glycoside obtained from Corni fructus (Cornusofficinaliset Zucc) and demonstrated to have anti-inflammatory, anti-tumor and osteoporosis prevention effects. It has also been found to attenuate Aβ-induced inflammatory reactions and ameliorate memory deficits induced by scopolamine...
January 6, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28068866/cognitive-abnormalities-and-cerebral-perfusion-defects-in-a-community-dwelling-cohort-of-elderly-men-with-mmse-within-the-normal-range
#16
Lena André-Petersson, Ola Thorsson, Arkadiusz Siennicki-Lantz
OBJECTIVES: Mini Mental State Examination's (MMSE's) sensitivity in its upper level is questioned, hence we investigated cognitive abnormalities and defects in regional cerebral blood flow (rCBF) in elderly with MMSE scores ≥24. METHODS: One hundred and four men at age 81 with MMSE scores ≥24 (mean 28.4 ± 1.7), no dementia or stroke, were examined with neuropsychological test battery, and their rCBF was estimated using (99mTc)-HMPAO SPECT. RESULTS: MMSE was very sparsely correlated with rCBF...
January 9, 2017: Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
https://www.readbyqxmd.com/read/28068375/validation-of-the-spanish-version-of-the-icecap-o-for-nursing-home-residents-with-dementia
#17
Carmen M Sarabia-Cobo, Paula Parás-Bravo, Francisco José Amo-Setién, Ana Rosa Alconero-Camarero, María Sáenz-Jalón, Blanca Torres-Manrique, Raquel Sarabia-Lavín, Angela Fernández-Rodríguez, Tamara Silio-García, Rosario Fernández-Peña, María Paz-Zulueta, Miguel Santibáñez-Margüello
BACKGROUND: Measurement of health-related quality of life (HRQoL) is important for a chronic disease, such as dementia, which impairs the quality of life of affected patients in addition to their length of life. This is important in the context of economic evaluations when interventions do not (only) affect HRQoL and these other factors also affect overall quality of life. OBJECTIVE: To validate the Spanish translation of the ICECAP-O's capability to measure Health-related quality of life in elderly with dementia who live in nursing homes...
2017: PloS One
https://www.readbyqxmd.com/read/28067607/hormone-therapy-for-prostate-cancer-increases-the-risk-of-alzheimer-s-disease-a-nationwide-4-year-longitudinal-cohort-study
#18
Jhen-Hao Jhan, Yuan-Han Yang, Yu-Han Chang, Shiao-Jin Guu, Chia-Chun Tsai
INTRODUCTION: Androgen-deprivation therapy (ADT) is recognized to be the preferred first-line treatment for advanced prostate cancer. However, the risk-benefit ratio of ADT remains poorly defined and the relationship between androgen depletion and dementia is not clear. AIM: To investigate the risk of developing Alzheimer's disease (AD) in patients undergoing ADT for prostate cancer. METHODS: Data from 24 360 prostate cancer patients were collected from the Longitudinal Health Insurance Database of Taiwan...
January 9, 2017: Aging Male: the Official Journal of the International Society for the Study of the Aging Male
https://www.readbyqxmd.com/read/28067184/cognitive-reserve-and-self-efficacy-as-moderators-of-the-relationship-between-stress-exposure-and-executive-functioning-among-spousal-dementia-caregivers
#19
M M Pertl, C Hannigan, S Brennan, I H Robertson, B A Lawlor
BACKGROUND: A substantial literature has reported that stress negatively impacts on cognitive processes. As dementia caregiving can be stressful, it has been hypothesized that the challenges of dementia care may increase caregivers' own vulnerability to cognitive decline. Prefrontal processes are thought to be most vulnerable to stress; however, few studies have examined whether greater caregiver stress predicts poorer executive dysfunction, and no previous research has considered potential moderators of this relationship...
January 9, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28067183/hippocampal-and-entorhinal-structures-in-subjective-memory-impairment-a-combined-mri-volumetric-and-dti-study
#20
Seon Young Ryu, Eun Ye Lim, Seunghee Na, Yong Soo Shim, Jung Hee Cho, Bora Yoon, Yun Jeong Hong, Dong Won Yang
BACKGROUND: Subjective memory impairment (SMI) is common among older adults. Increasing evidence suggests that SMI is a risk factor for future cognitive decline, as well as for mild cognitive impairment and dementia. Medial temporal lobe structures, including the hippocampus and entorhinal cortex, are affected in the early stages of Alzheimer's disease. The current study examined the gray matter (GM) volume and microstructural changes of hippocampal and entorhinal regions in individuals with SMI, compared with elderly control participants without memory complaints...
January 9, 2017: International Psychogeriatrics
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